[ 600.344094][ T3388] Failed to register fib notifier [ 638.783928][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 638.784414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 638.784414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 638.784414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 638.784414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 638.784414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 638.784414][ T3767] ip6_route_add+0x1c/0x140 [ 638.784414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 638.784414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.784414][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.784414][ T3767] netlink_unicast+0x449/0x710 [ 638.784414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.784414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.784414][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.784414][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.784414][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.784414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.784414][ T3767] [ 638.787105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 638.787105][ T3767] netdev_get_by_index+0x5e/0x80 [ 638.787105][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 638.787105][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 638.787105][ T3767] ip6_route_add+0x1c/0x140 [ 638.787105][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 638.787105][ T3767] inet6_addr_add+0x4f8/0xa40 [ 638.787105][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 638.787105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.787105][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.787105][ T3767] netlink_unicast+0x449/0x710 [ 638.787105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.787105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.787105][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.787105][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.787105][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.787105][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.787105][ T3767] [ 638.789450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 638.789450][ T3767] netdev_get_by_index+0x5e/0x80 [ 638.789450][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 638.789450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 638.789450][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 638.789450][ T3767] ipv6_add_addr+0x411/0x2000 [ 638.789450][ T3767] inet6_addr_add+0x30e/0xa40 [ 638.789450][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 638.789450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.789450][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.789450][ T3767] netlink_unicast+0x449/0x710 [ 638.789450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.789450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.789450][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.789450][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.789450][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.789450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.789450][ T3767] [ 638.791708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 638.791708][ T3767] netdev_get_by_index+0x5e/0x80 [ 638.791708][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 638.791708][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 638.791708][ T3767] ip6_route_add+0x1c/0x140 [ 638.791708][ T3767] addrconf_add_mroute+0x129/0x180 [ 638.791708][ T3767] addrconf_add_dev+0xe2/0x170 [ 638.791708][ T3767] inet6_addr_add+0x12f/0xa40 [ 638.791708][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 638.791708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.791708][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.791708][ T3767] netlink_unicast+0x449/0x710 [ 638.791708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.791708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.791708][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.791708][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.791708][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.791708][ T3767] [ 638.793973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 638.793973][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 638.793973][ T3767] ipv6_find_idev+0x102/0x170 [ 638.793973][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.793973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.793973][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.793973][ T3767] netlink_unicast+0x449/0x710 [ 638.793973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.793973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.793973][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.793973][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.793973][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.793973][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.793973][ T3767] [ 638.795699][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 638.795699][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 638.795699][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 638.795699][ T3767] ipv6_find_idev+0x102/0x170 [ 638.795699][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 638.795699][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 638.795699][ T3767] netlink_rcv_skb+0x130/0x360 [ 638.795699][ T3767] netlink_unicast+0x449/0x710 [ 638.795699][ T3767] netlink_sendmsg+0x723/0xbe0 [ 638.795699][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 638.795699][ T3767] ___sys_sendmsg+0xee/0x170 [ 638.795699][ T3767] __sys_sendmsg+0xcd/0x170 [ 638.795699][ T3767] do_syscall_64+0xc6/0x1e0 [ 638.795699][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 638.795699][ T3767] [ 649.008067][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 649.008527][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 649.008527][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 649.008527][ T3767] ip6_validate_gw+0x3eb/0x790 [ 649.008527][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 649.008527][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 649.008527][ T3767] ip6_route_add+0x1c/0x140 [ 649.008527][ T3767] inet6_rtm_newroute+0x104/0x110 [ 649.008527][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.008527][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.008527][ T3767] netlink_unicast+0x449/0x710 [ 649.008527][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.008527][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.008527][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.008527][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.008527][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.008527][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.008527][ T3767] [ 649.010755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 649.010755][ T3767] netdev_get_by_index+0x5e/0x80 [ 649.010755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 649.010755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 649.010755][ T3767] ip6_route_add+0x1c/0x140 [ 649.010755][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 649.010755][ T3767] inet6_addr_add+0x4f8/0xa40 [ 649.010755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 649.010755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.010755][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.010755][ T3767] netlink_unicast+0x449/0x710 [ 649.010755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.010755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.010755][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.010755][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.010755][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.010755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.010755][ T3767] [ 649.012984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 649.012984][ T3767] netdev_get_by_index+0x5e/0x80 [ 649.012984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 649.012984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 649.012984][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 649.012984][ T3767] ipv6_add_addr+0x411/0x2000 [ 649.012984][ T3767] inet6_addr_add+0x30e/0xa40 [ 649.012984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 649.012984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.012984][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.012984][ T3767] netlink_unicast+0x449/0x710 [ 649.012984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.012984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.012984][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.012984][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.012984][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.012984][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.012984][ T3767] [ 649.015261][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 649.015261][ T3767] netdev_get_by_index+0x5e/0x80 [ 649.015261][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 649.015261][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 649.015261][ T3767] ip6_route_add+0x1c/0x140 [ 649.015261][ T3767] addrconf_add_mroute+0x129/0x180 [ 649.015261][ T3767] addrconf_add_dev+0xe2/0x170 [ 649.015261][ T3767] inet6_addr_add+0x12f/0xa40 [ 649.015261][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 649.015261][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.015261][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.015261][ T3767] netlink_unicast+0x449/0x710 [ 649.015261][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.015261][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.015261][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.015261][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.015261][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.015261][ T3767] [ 649.017458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 649.017458][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 649.017458][ T3767] ipv6_find_idev+0x102/0x170 [ 649.017458][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.017458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.017458][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.017458][ T3767] netlink_unicast+0x449/0x710 [ 649.017458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.017458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.017458][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.017458][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.017458][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.017458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.017458][ T3767] [ 649.019169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 649.019169][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 649.019169][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 649.019169][ T3767] ipv6_find_idev+0x102/0x170 [ 649.019169][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 649.019169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 649.019169][ T3767] netlink_rcv_skb+0x130/0x360 [ 649.019169][ T3767] netlink_unicast+0x449/0x710 [ 649.019169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 649.019169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 649.019169][ T3767] ___sys_sendmsg+0xee/0x170 [ 649.019169][ T3767] __sys_sendmsg+0xcd/0x170 [ 649.019169][ T3767] do_syscall_64+0xc6/0x1e0 [ 649.019169][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 649.019169][ T3767] [ 659.263930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 659.264403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 659.264403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 659.264403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 659.264403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 659.264403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 659.264403][ T3767] ip6_route_add+0x1c/0x140 [ 659.264403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 659.264403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.264403][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.264403][ T3767] netlink_unicast+0x449/0x710 [ 659.264403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.264403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.264403][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.264403][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.264403][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.264403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 659.264403][ T3767] [ 659.266554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 659.266554][ T3767] netdev_get_by_index+0x5e/0x80 [ 659.266554][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 659.266554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 659.266554][ T3767] ip6_route_add+0x1c/0x140 [ 659.266554][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 659.266554][ T3767] inet6_addr_add+0x4f8/0xa40 [ 659.266554][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 659.266554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.266554][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.266554][ T3767] netlink_unicast+0x449/0x710 [ 659.266554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.266554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.266554][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.266554][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.266554][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.266554][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 659.266554][ T3767] [ 659.268785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 659.268785][ T3767] netdev_get_by_index+0x5e/0x80 [ 659.268785][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 659.268785][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 659.268785][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 659.268785][ T3767] ipv6_add_addr+0x411/0x2000 [ 659.268785][ T3767] inet6_addr_add+0x30e/0xa40 [ 659.268785][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 659.268785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.268785][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.268785][ T3767] netlink_unicast+0x449/0x710 [ 659.268785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.268785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.268785][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.268785][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.268785][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.268785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 659.268785][ T3767] [ 659.271023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 659.271023][ T3767] netdev_get_by_index+0x5e/0x80 [ 659.271023][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 659.271023][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 659.271023][ T3767] ip6_route_add+0x1c/0x140 [ 659.271023][ T3767] addrconf_add_mroute+0x129/0x180 [ 659.271023][ T3767] addrconf_add_dev+0xe2/0x170 [ 659.271023][ T3767] inet6_addr_add+0x12f/0xa40 [ 659.271023][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 659.271023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.271023][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.271023][ T3767] netlink_unicast+0x449/0x710 [ 659.271023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.271023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.271023][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.271023][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.271023][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.271023][ T3767] [ 659.273214][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 659.273214][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 659.273214][ T3767] ipv6_find_idev+0x102/0x170 [ 659.273214][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 659.273214][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.273214][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.273214][ T3767] netlink_unicast+0x449/0x710 [ 659.273214][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.273214][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.273214][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.273214][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.273214][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.273214][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 659.273214][ T3767] [ 659.274961][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 659.274961][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 659.274961][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 659.274961][ T3767] ipv6_find_idev+0x102/0x170 [ 659.274961][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 659.274961][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 659.274961][ T3767] netlink_rcv_skb+0x130/0x360 [ 659.274961][ T3767] netlink_unicast+0x449/0x710 [ 659.274961][ T3767] netlink_sendmsg+0x723/0xbe0 [ 659.274961][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 659.274961][ T3767] ___sys_sendmsg+0xee/0x170 [ 659.274961][ T3767] __sys_sendmsg+0xcd/0x170 [ 659.274961][ T3767] do_syscall_64+0xc6/0x1e0 [ 659.274961][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 659.274961][ T3767] [ 669.519931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 669.520607][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 669.520607][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 669.520607][ T3767] ip6_validate_gw+0x3eb/0x790 [ 669.520607][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 669.520607][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 669.520607][ T3767] ip6_route_add+0x1c/0x140 [ 669.520607][ T3767] inet6_rtm_newroute+0x104/0x110 [ 669.520607][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.520607][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.520607][ T3767] netlink_unicast+0x449/0x710 [ 669.520607][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.520607][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.520607][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.520607][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.520607][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.520607][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.520607][ T3767] [ 669.524278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 669.524278][ T3767] netdev_get_by_index+0x5e/0x80 [ 669.524278][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 669.524278][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 669.524278][ T3767] ip6_route_add+0x1c/0x140 [ 669.524278][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 669.524278][ T3767] inet6_addr_add+0x4f8/0xa40 [ 669.524278][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 669.524278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.524278][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.524278][ T3767] netlink_unicast+0x449/0x710 [ 669.524278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.524278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.524278][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.524278][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.524278][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.524278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.524278][ T3767] [ 669.527915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 669.527915][ T3767] netdev_get_by_index+0x5e/0x80 [ 669.527915][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 669.527915][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 669.527915][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 669.527915][ T3767] ipv6_add_addr+0x411/0x2000 [ 669.527915][ T3767] inet6_addr_add+0x30e/0xa40 [ 669.527915][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 669.527915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.527915][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.527915][ T3767] netlink_unicast+0x449/0x710 [ 669.527915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.527915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.527915][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.527915][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.527915][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.527915][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.527915][ T3767] [ 669.531543][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 669.531543][ T3767] netdev_get_by_index+0x5e/0x80 [ 669.531543][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 669.531543][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 669.531543][ T3767] ip6_route_add+0x1c/0x140 [ 669.531543][ T3767] addrconf_add_mroute+0x129/0x180 [ 669.531543][ T3767] addrconf_add_dev+0xe2/0x170 [ 669.531543][ T3767] inet6_addr_add+0x12f/0xa40 [ 669.531543][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 669.531543][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.531543][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.531543][ T3767] netlink_unicast+0x449/0x710 [ 669.531543][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.531543][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.531543][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.531543][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.531543][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.531543][ T3767] [ 669.535143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 669.535143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 669.535143][ T3767] ipv6_find_idev+0x102/0x170 [ 669.535143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.535143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.535143][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.535143][ T3767] netlink_unicast+0x449/0x710 [ 669.535143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.535143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.535143][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.535143][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.535143][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.535143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.535143][ T3767] [ 669.537948][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 669.537948][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 669.537948][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 669.537948][ T3767] ipv6_find_idev+0x102/0x170 [ 669.537948][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 669.537948][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 669.537948][ T3767] netlink_rcv_skb+0x130/0x360 [ 669.537948][ T3767] netlink_unicast+0x449/0x710 [ 669.537948][ T3767] netlink_sendmsg+0x723/0xbe0 [ 669.537948][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 669.537948][ T3767] ___sys_sendmsg+0xee/0x170 [ 669.537948][ T3767] __sys_sendmsg+0xcd/0x170 [ 669.537948][ T3767] do_syscall_64+0xc6/0x1e0 [ 669.537948][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 669.537948][ T3767] [ 679.607947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 679.608433][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 679.608433][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 679.608433][ T3767] ip6_validate_gw+0x3eb/0x790 [ 679.608433][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 679.608433][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 679.608433][ T3767] ip6_route_add+0x1c/0x140 [ 679.608433][ T3767] inet6_rtm_newroute+0x104/0x110 [ 679.608433][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.608433][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.608433][ T3767] netlink_unicast+0x449/0x710 [ 679.608433][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.608433][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.608433][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.608433][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.608433][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.608433][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.608433][ T3767] [ 679.610705][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 679.610705][ T3767] netdev_get_by_index+0x5e/0x80 [ 679.610705][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 679.610705][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 679.610705][ T3767] ip6_route_add+0x1c/0x140 [ 679.610705][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 679.610705][ T3767] inet6_addr_add+0x4f8/0xa40 [ 679.610705][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 679.610705][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.610705][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.610705][ T3767] netlink_unicast+0x449/0x710 [ 679.610705][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.610705][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.610705][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.610705][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.610705][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.610705][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.610705][ T3767] [ 679.612950][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 679.612950][ T3767] netdev_get_by_index+0x5e/0x80 [ 679.612950][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 679.612950][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 679.612950][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 679.612950][ T3767] ipv6_add_addr+0x411/0x2000 [ 679.612950][ T3767] inet6_addr_add+0x30e/0xa40 [ 679.612950][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 679.612950][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.612950][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.612950][ T3767] netlink_unicast+0x449/0x710 [ 679.612950][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.612950][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.612950][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.612950][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.612950][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.612950][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.612950][ T3767] [ 679.615176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 679.615176][ T3767] netdev_get_by_index+0x5e/0x80 [ 679.615176][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 679.615176][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 679.615176][ T3767] ip6_route_add+0x1c/0x140 [ 679.615176][ T3767] addrconf_add_mroute+0x129/0x180 [ 679.615176][ T3767] addrconf_add_dev+0xe2/0x170 [ 679.615176][ T3767] inet6_addr_add+0x12f/0xa40 [ 679.615176][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 679.615176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.615176][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.615176][ T3767] netlink_unicast+0x449/0x710 [ 679.615176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.615176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.615176][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.615176][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.615176][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.615176][ T3767] [ 679.617385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 679.617385][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 679.617385][ T3767] ipv6_find_idev+0x102/0x170 [ 679.617385][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.617385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.617385][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.617385][ T3767] netlink_unicast+0x449/0x710 [ 679.617385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.617385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.617385][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.617385][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.617385][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.617385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.617385][ T3767] [ 679.619124][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 679.619124][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 679.619124][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 679.619124][ T3767] ipv6_find_idev+0x102/0x170 [ 679.619124][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 679.619124][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 679.619124][ T3767] netlink_rcv_skb+0x130/0x360 [ 679.619124][ T3767] netlink_unicast+0x449/0x710 [ 679.619124][ T3767] netlink_sendmsg+0x723/0xbe0 [ 679.619124][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 679.619124][ T3767] ___sys_sendmsg+0xee/0x170 [ 679.619124][ T3767] __sys_sendmsg+0xcd/0x170 [ 679.619124][ T3767] do_syscall_64+0xc6/0x1e0 [ 679.619124][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 679.619124][ T3767] [ 689.864007][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 689.864479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 689.864479][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 689.864479][ T3767] ip6_validate_gw+0x3eb/0x790 [ 689.864479][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 689.864479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 689.864479][ T3767] ip6_route_add+0x1c/0x140 [ 689.864479][ T3767] inet6_rtm_newroute+0x104/0x110 [ 689.864479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.864479][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.864479][ T3767] netlink_unicast+0x449/0x710 [ 689.864479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.864479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.864479][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.864479][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.864479][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.864479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.864479][ T3767] [ 689.867304][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 689.867304][ T3767] netdev_get_by_index+0x5e/0x80 [ 689.867304][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 689.867304][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 689.867304][ T3767] ip6_route_add+0x1c/0x140 [ 689.867304][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 689.867304][ T3767] inet6_addr_add+0x4f8/0xa40 [ 689.867304][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 689.867304][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.867304][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.867304][ T3767] netlink_unicast+0x449/0x710 [ 689.867304][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.867304][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.867304][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.867304][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.867304][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.867304][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.867304][ T3767] [ 689.869628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 689.869628][ T3767] netdev_get_by_index+0x5e/0x80 [ 689.869628][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 689.869628][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 689.869628][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 689.869628][ T3767] ipv6_add_addr+0x411/0x2000 [ 689.869628][ T3767] inet6_addr_add+0x30e/0xa40 [ 689.869628][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 689.869628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.869628][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.869628][ T3767] netlink_unicast+0x449/0x710 [ 689.869628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.869628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.869628][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.869628][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.869628][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.869628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.869628][ T3767] [ 689.871897][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 689.871897][ T3767] netdev_get_by_index+0x5e/0x80 [ 689.871897][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 689.871897][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 689.871897][ T3767] ip6_route_add+0x1c/0x140 [ 689.871897][ T3767] addrconf_add_mroute+0x129/0x180 [ 689.871897][ T3767] addrconf_add_dev+0xe2/0x170 [ 689.871897][ T3767] inet6_addr_add+0x12f/0xa40 [ 689.871897][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 689.871897][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.871897][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.871897][ T3767] netlink_unicast+0x449/0x710 [ 689.871897][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.871897][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.871897][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.871897][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.871897][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.871897][ T3767] [ 689.875009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 689.875009][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 689.875009][ T3767] ipv6_find_idev+0x102/0x170 [ 689.875009][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.875009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.875009][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.875009][ T3767] netlink_unicast+0x449/0x710 [ 689.875009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.875009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.875009][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.875009][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.875009][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.875009][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.875009][ T3767] [ 689.876848][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 689.876848][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 689.876848][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 689.876848][ T3767] ipv6_find_idev+0x102/0x170 [ 689.876848][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 689.876848][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 689.876848][ T3767] netlink_rcv_skb+0x130/0x360 [ 689.876848][ T3767] netlink_unicast+0x449/0x710 [ 689.876848][ T3767] netlink_sendmsg+0x723/0xbe0 [ 689.876848][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 689.876848][ T3767] ___sys_sendmsg+0xee/0x170 [ 689.876848][ T3767] __sys_sendmsg+0xcd/0x170 [ 689.876848][ T3767] do_syscall_64+0xc6/0x1e0 [ 689.876848][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 689.876848][ T3767] [ 700.119963][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 700.120736][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 700.120736][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 700.120736][ T3767] ip6_validate_gw+0x3eb/0x790 [ 700.120736][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 700.120736][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 700.120736][ T3767] ip6_route_add+0x1c/0x140 [ 700.120736][ T3767] inet6_rtm_newroute+0x104/0x110 [ 700.120736][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.120736][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.120736][ T3767] netlink_unicast+0x449/0x710 [ 700.120736][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.120736][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.120736][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.120736][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.120736][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.120736][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.120736][ T3767] [ 700.122957][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 700.122957][ T3767] netdev_get_by_index+0x5e/0x80 [ 700.122957][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 700.122957][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 700.122957][ T3767] ip6_route_add+0x1c/0x140 [ 700.122957][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 700.122957][ T3767] inet6_addr_add+0x4f8/0xa40 [ 700.122957][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 700.122957][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.122957][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.122957][ T3767] netlink_unicast+0x449/0x710 [ 700.122957][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.122957][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.122957][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.122957][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.122957][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.122957][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.122957][ T3767] [ 700.125308][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 700.125308][ T3767] netdev_get_by_index+0x5e/0x80 [ 700.125308][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 700.125308][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 700.125308][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 700.125308][ T3767] ipv6_add_addr+0x411/0x2000 [ 700.125308][ T3767] inet6_addr_add+0x30e/0xa40 [ 700.125308][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 700.125308][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.125308][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.125308][ T3767] netlink_unicast+0x449/0x710 [ 700.125308][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.125308][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.125308][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.125308][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.125308][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.125308][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.125308][ T3767] [ 700.127554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 700.127554][ T3767] netdev_get_by_index+0x5e/0x80 [ 700.127554][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 700.127554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 700.127554][ T3767] ip6_route_add+0x1c/0x140 [ 700.127554][ T3767] addrconf_add_mroute+0x129/0x180 [ 700.127554][ T3767] addrconf_add_dev+0xe2/0x170 [ 700.127554][ T3767] inet6_addr_add+0x12f/0xa40 [ 700.127554][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 700.127554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.127554][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.127554][ T3767] netlink_unicast+0x449/0x710 [ 700.127554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.127554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.127554][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.127554][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.127554][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.127554][ T3767] [ 700.129799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 700.129799][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 700.129799][ T3767] ipv6_find_idev+0x102/0x170 [ 700.129799][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.129799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.129799][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.129799][ T3767] netlink_unicast+0x449/0x710 [ 700.129799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.129799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.129799][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.129799][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.129799][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.129799][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.129799][ T3767] [ 700.131582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 700.131582][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 700.131582][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 700.131582][ T3767] ipv6_find_idev+0x102/0x170 [ 700.131582][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 700.131582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 700.131582][ T3767] netlink_rcv_skb+0x130/0x360 [ 700.131582][ T3767] netlink_unicast+0x449/0x710 [ 700.131582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 700.131582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 700.131582][ T3767] ___sys_sendmsg+0xee/0x170 [ 700.131582][ T3767] __sys_sendmsg+0xcd/0x170 [ 700.131582][ T3767] do_syscall_64+0xc6/0x1e0 [ 700.131582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 700.131582][ T3767] [ 710.375910][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 710.376446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 710.376446][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 710.376446][ T3767] ip6_validate_gw+0x3eb/0x790 [ 710.376446][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 710.376446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 710.376446][ T3767] ip6_route_add+0x1c/0x140 [ 710.376446][ T3767] inet6_rtm_newroute+0x104/0x110 [ 710.376446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.376446][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.376446][ T3767] netlink_unicast+0x449/0x710 [ 710.376446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.376446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.376446][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.376446][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.376446][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.376446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.376446][ T3767] [ 710.378694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 710.378694][ T3767] netdev_get_by_index+0x5e/0x80 [ 710.378694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 710.378694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 710.378694][ T3767] ip6_route_add+0x1c/0x140 [ 710.378694][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 710.378694][ T3767] inet6_addr_add+0x4f8/0xa40 [ 710.378694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 710.378694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.378694][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.378694][ T3767] netlink_unicast+0x449/0x710 [ 710.378694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.378694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.378694][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.378694][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.378694][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.378694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.378694][ T3767] [ 710.381036][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 710.381036][ T3767] netdev_get_by_index+0x5e/0x80 [ 710.381036][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 710.381036][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 710.381036][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 710.381036][ T3767] ipv6_add_addr+0x411/0x2000 [ 710.381036][ T3767] inet6_addr_add+0x30e/0xa40 [ 710.381036][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 710.381036][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.381036][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.381036][ T3767] netlink_unicast+0x449/0x710 [ 710.381036][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.381036][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.381036][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.381036][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.381036][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.381036][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.381036][ T3767] [ 710.383461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 710.383461][ T3767] netdev_get_by_index+0x5e/0x80 [ 710.383461][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 710.383461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 710.383461][ T3767] ip6_route_add+0x1c/0x140 [ 710.383461][ T3767] addrconf_add_mroute+0x129/0x180 [ 710.383461][ T3767] addrconf_add_dev+0xe2/0x170 [ 710.383461][ T3767] inet6_addr_add+0x12f/0xa40 [ 710.383461][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 710.383461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.383461][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.383461][ T3767] netlink_unicast+0x449/0x710 [ 710.383461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.383461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.383461][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.383461][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.383461][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.383461][ T3767] [ 710.385729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 710.385729][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 710.385729][ T3767] ipv6_find_idev+0x102/0x170 [ 710.385729][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.385729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.385729][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.385729][ T3767] netlink_unicast+0x449/0x710 [ 710.385729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.385729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.385729][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.385729][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.385729][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.385729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.385729][ T3767] [ 710.387668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 710.387668][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 710.387668][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 710.387668][ T3767] ipv6_find_idev+0x102/0x170 [ 710.387668][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 710.387668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 710.387668][ T3767] netlink_rcv_skb+0x130/0x360 [ 710.387668][ T3767] netlink_unicast+0x449/0x710 [ 710.387668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 710.387668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 710.387668][ T3767] ___sys_sendmsg+0xee/0x170 [ 710.387668][ T3767] __sys_sendmsg+0xcd/0x170 [ 710.387668][ T3767] do_syscall_64+0xc6/0x1e0 [ 710.387668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 710.387668][ T3767] [ 720.631950][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 720.632448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 720.632448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 720.632448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 720.632448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 720.632448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 720.632448][ T3767] ip6_route_add+0x1c/0x140 [ 720.632448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 720.632448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.632448][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.632448][ T3767] netlink_unicast+0x449/0x710 [ 720.632448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.632448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.632448][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.632448][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.632448][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.632448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.632448][ T3767] [ 720.634769][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 720.634769][ T3767] netdev_get_by_index+0x5e/0x80 [ 720.634769][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 720.634769][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 720.634769][ T3767] ip6_route_add+0x1c/0x140 [ 720.634769][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 720.634769][ T3767] inet6_addr_add+0x4f8/0xa40 [ 720.634769][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 720.634769][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.634769][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.634769][ T3767] netlink_unicast+0x449/0x710 [ 720.634769][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.634769][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.634769][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.634769][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.634769][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.634769][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.634769][ T3767] [ 720.637175][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 720.637175][ T3767] netdev_get_by_index+0x5e/0x80 [ 720.637175][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 720.637175][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 720.637175][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 720.637175][ T3767] ipv6_add_addr+0x411/0x2000 [ 720.637175][ T3767] inet6_addr_add+0x30e/0xa40 [ 720.637175][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 720.637175][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.637175][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.637175][ T3767] netlink_unicast+0x449/0x710 [ 720.637175][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.637175][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.637175][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.637175][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.637175][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.637175][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.637175][ T3767] [ 720.639551][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 720.639551][ T3767] netdev_get_by_index+0x5e/0x80 [ 720.639551][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 720.639551][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 720.639551][ T3767] ip6_route_add+0x1c/0x140 [ 720.639551][ T3767] addrconf_add_mroute+0x129/0x180 [ 720.639551][ T3767] addrconf_add_dev+0xe2/0x170 [ 720.639551][ T3767] inet6_addr_add+0x12f/0xa40 [ 720.639551][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 720.639551][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.639551][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.639551][ T3767] netlink_unicast+0x449/0x710 [ 720.639551][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.639551][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.639551][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.639551][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.639551][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.639551][ T3767] [ 720.641880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 720.641880][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 720.641880][ T3767] ipv6_find_idev+0x102/0x170 [ 720.641880][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.641880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.641880][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.641880][ T3767] netlink_unicast+0x449/0x710 [ 720.641880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.641880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.641880][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.641880][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.641880][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.641880][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.641880][ T3767] [ 720.643703][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 720.643703][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 720.643703][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 720.643703][ T3767] ipv6_find_idev+0x102/0x170 [ 720.643703][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 720.643703][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 720.643703][ T3767] netlink_rcv_skb+0x130/0x360 [ 720.643703][ T3767] netlink_unicast+0x449/0x710 [ 720.643703][ T3767] netlink_sendmsg+0x723/0xbe0 [ 720.643703][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 720.643703][ T3767] ___sys_sendmsg+0xee/0x170 [ 720.643703][ T3767] __sys_sendmsg+0xcd/0x170 [ 720.643703][ T3767] do_syscall_64+0xc6/0x1e0 [ 720.643703][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 720.643703][ T3767] [ 730.839902][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 730.840364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 730.840364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 730.840364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 730.840364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 730.840364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 730.840364][ T3767] ip6_route_add+0x1c/0x140 [ 730.840364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 730.840364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.840364][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.840364][ T3767] netlink_unicast+0x449/0x710 [ 730.840364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.840364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.840364][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.840364][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.840364][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.840364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.840364][ T3767] [ 730.842461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 730.842461][ T3767] netdev_get_by_index+0x5e/0x80 [ 730.842461][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 730.842461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 730.842461][ T3767] ip6_route_add+0x1c/0x140 [ 730.842461][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 730.842461][ T3767] inet6_addr_add+0x4f8/0xa40 [ 730.842461][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 730.842461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.842461][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.842461][ T3767] netlink_unicast+0x449/0x710 [ 730.842461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.842461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.842461][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.842461][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.842461][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.842461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.842461][ T3767] [ 730.844684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 730.844684][ T3767] netdev_get_by_index+0x5e/0x80 [ 730.844684][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 730.844684][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 730.844684][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 730.844684][ T3767] ipv6_add_addr+0x411/0x2000 [ 730.844684][ T3767] inet6_addr_add+0x30e/0xa40 [ 730.844684][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 730.844684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.844684][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.844684][ T3767] netlink_unicast+0x449/0x710 [ 730.844684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.844684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.844684][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.844684][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.844684][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.844684][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.844684][ T3767] [ 730.846937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 730.846937][ T3767] netdev_get_by_index+0x5e/0x80 [ 730.846937][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 730.846937][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 730.846937][ T3767] ip6_route_add+0x1c/0x140 [ 730.846937][ T3767] addrconf_add_mroute+0x129/0x180 [ 730.846937][ T3767] addrconf_add_dev+0xe2/0x170 [ 730.846937][ T3767] inet6_addr_add+0x12f/0xa40 [ 730.846937][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 730.846937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.846937][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.846937][ T3767] netlink_unicast+0x449/0x710 [ 730.846937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.846937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.846937][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.846937][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.846937][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.846937][ T3767] [ 730.849153][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 730.849153][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 730.849153][ T3767] ipv6_find_idev+0x102/0x170 [ 730.849153][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.849153][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.849153][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.849153][ T3767] netlink_unicast+0x449/0x710 [ 730.849153][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.849153][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.849153][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.849153][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.849153][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.849153][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.849153][ T3767] [ 730.850904][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 730.850904][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 730.850904][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 730.850904][ T3767] ipv6_find_idev+0x102/0x170 [ 730.850904][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 730.850904][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 730.850904][ T3767] netlink_rcv_skb+0x130/0x360 [ 730.850904][ T3767] netlink_unicast+0x449/0x710 [ 730.850904][ T3767] netlink_sendmsg+0x723/0xbe0 [ 730.850904][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 730.850904][ T3767] ___sys_sendmsg+0xee/0x170 [ 730.850904][ T3767] __sys_sendmsg+0xcd/0x170 [ 730.850904][ T3767] do_syscall_64+0xc6/0x1e0 [ 730.850904][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 730.850904][ T3767] [ 741.103982][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 741.104458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 741.104458][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 741.104458][ T3767] ip6_validate_gw+0x3eb/0x790 [ 741.104458][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 741.104458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 741.104458][ T3767] ip6_route_add+0x1c/0x140 [ 741.104458][ T3767] inet6_rtm_newroute+0x104/0x110 [ 741.104458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.104458][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.104458][ T3767] netlink_unicast+0x449/0x710 [ 741.104458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.104458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.104458][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.104458][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.104458][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.104458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 741.104458][ T3767] [ 741.106774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 741.106774][ T3767] netdev_get_by_index+0x5e/0x80 [ 741.106774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 741.106774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 741.106774][ T3767] ip6_route_add+0x1c/0x140 [ 741.106774][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 741.106774][ T3767] inet6_addr_add+0x4f8/0xa40 [ 741.106774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 741.106774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.106774][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.106774][ T3767] netlink_unicast+0x449/0x710 [ 741.106774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.106774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.106774][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.106774][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.106774][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.106774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 741.106774][ T3767] [ 741.109181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 741.109181][ T3767] netdev_get_by_index+0x5e/0x80 [ 741.109181][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 741.109181][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 741.109181][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 741.109181][ T3767] ipv6_add_addr+0x411/0x2000 [ 741.109181][ T3767] inet6_addr_add+0x30e/0xa40 [ 741.109181][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 741.109181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.109181][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.109181][ T3767] netlink_unicast+0x449/0x710 [ 741.109181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.109181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.109181][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.109181][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.109181][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.109181][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 741.109181][ T3767] [ 741.111588][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 741.111588][ T3767] netdev_get_by_index+0x5e/0x80 [ 741.111588][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 741.111588][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 741.111588][ T3767] ip6_route_add+0x1c/0x140 [ 741.111588][ T3767] addrconf_add_mroute+0x129/0x180 [ 741.111588][ T3767] addrconf_add_dev+0xe2/0x170 [ 741.111588][ T3767] inet6_addr_add+0x12f/0xa40 [ 741.111588][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 741.111588][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.111588][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.111588][ T3767] netlink_unicast+0x449/0x710 [ 741.111588][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.111588][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.111588][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.111588][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.111588][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.111588][ T3767] [ 741.113956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 741.113956][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 741.113956][ T3767] ipv6_find_idev+0x102/0x170 [ 741.113956][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 741.113956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.113956][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.113956][ T3767] netlink_unicast+0x449/0x710 [ 741.113956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.113956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.113956][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.113956][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.113956][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.113956][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 741.113956][ T3767] [ 741.115804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 741.115804][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 741.115804][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 741.115804][ T3767] ipv6_find_idev+0x102/0x170 [ 741.115804][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 741.115804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 741.115804][ T3767] netlink_rcv_skb+0x130/0x360 [ 741.115804][ T3767] netlink_unicast+0x449/0x710 [ 741.115804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 741.115804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 741.115804][ T3767] ___sys_sendmsg+0xee/0x170 [ 741.115804][ T3767] __sys_sendmsg+0xcd/0x170 [ 741.115804][ T3767] do_syscall_64+0xc6/0x1e0 [ 741.115804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 741.115804][ T3767] [ 751.367923][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 751.368429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 751.368429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 751.368429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 751.368429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 751.368429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 751.368429][ T3767] ip6_route_add+0x1c/0x140 [ 751.368429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 751.368429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.368429][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.368429][ T3767] netlink_unicast+0x449/0x710 [ 751.368429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.368429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.368429][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.368429][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.368429][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.368429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 751.368429][ T3767] [ 751.370772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 751.370772][ T3767] netdev_get_by_index+0x5e/0x80 [ 751.370772][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 751.370772][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 751.370772][ T3767] ip6_route_add+0x1c/0x140 [ 751.370772][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 751.370772][ T3767] inet6_addr_add+0x4f8/0xa40 [ 751.370772][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 751.370772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.370772][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.370772][ T3767] netlink_unicast+0x449/0x710 [ 751.370772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.370772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.370772][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.370772][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.370772][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.370772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 751.370772][ T3767] [ 751.373172][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 751.373172][ T3767] netdev_get_by_index+0x5e/0x80 [ 751.373172][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 751.373172][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 751.373172][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 751.373172][ T3767] ipv6_add_addr+0x411/0x2000 [ 751.373172][ T3767] inet6_addr_add+0x30e/0xa40 [ 751.373172][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 751.373172][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.373172][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.373172][ T3767] netlink_unicast+0x449/0x710 [ 751.373172][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.373172][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.373172][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.373172][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.373172][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.373172][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 751.373172][ T3767] [ 751.375586][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 751.375586][ T3767] netdev_get_by_index+0x5e/0x80 [ 751.375586][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 751.375586][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 751.375586][ T3767] ip6_route_add+0x1c/0x140 [ 751.375586][ T3767] addrconf_add_mroute+0x129/0x180 [ 751.375586][ T3767] addrconf_add_dev+0xe2/0x170 [ 751.375586][ T3767] inet6_addr_add+0x12f/0xa40 [ 751.375586][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 751.375586][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.375586][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.375586][ T3767] netlink_unicast+0x449/0x710 [ 751.375586][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.375586][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.375586][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.375586][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.375586][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.375586][ T3767] [ 751.377954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 751.377954][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 751.377954][ T3767] ipv6_find_idev+0x102/0x170 [ 751.377954][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 751.377954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.377954][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.377954][ T3767] netlink_unicast+0x449/0x710 [ 751.377954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.377954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.377954][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.377954][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.377954][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.377954][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 751.377954][ T3767] [ 751.379805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 751.379805][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 751.379805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 751.379805][ T3767] ipv6_find_idev+0x102/0x170 [ 751.379805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 751.379805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 751.379805][ T3767] netlink_rcv_skb+0x130/0x360 [ 751.379805][ T3767] netlink_unicast+0x449/0x710 [ 751.379805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 751.379805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 751.379805][ T3767] ___sys_sendmsg+0xee/0x170 [ 751.379805][ T3767] __sys_sendmsg+0xcd/0x170 [ 751.379805][ T3767] do_syscall_64+0xc6/0x1e0 [ 751.379805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 751.379805][ T3767] [ 761.631905][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 761.632362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 761.632362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 761.632362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 761.632362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 761.632362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 761.632362][ T3767] ip6_route_add+0x1c/0x140 [ 761.632362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 761.632362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.632362][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.632362][ T3767] netlink_unicast+0x449/0x710 [ 761.632362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.632362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.632362][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.632362][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.632362][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.632362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 761.632362][ T3767] [ 761.634856][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 761.634856][ T3767] netdev_get_by_index+0x5e/0x80 [ 761.634856][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 761.634856][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 761.634856][ T3767] ip6_route_add+0x1c/0x140 [ 761.634856][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 761.634856][ T3767] inet6_addr_add+0x4f8/0xa40 [ 761.634856][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 761.634856][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.634856][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.634856][ T3767] netlink_unicast+0x449/0x710 [ 761.634856][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.634856][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.634856][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.634856][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.634856][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.634856][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 761.634856][ T3767] [ 761.637368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 761.637368][ T3767] netdev_get_by_index+0x5e/0x80 [ 761.637368][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 761.637368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 761.637368][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 761.637368][ T3767] ipv6_add_addr+0x411/0x2000 [ 761.637368][ T3767] inet6_addr_add+0x30e/0xa40 [ 761.637368][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 761.637368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.637368][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.637368][ T3767] netlink_unicast+0x449/0x710 [ 761.637368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.637368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.637368][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.637368][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.637368][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.637368][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 761.637368][ T3767] [ 761.639803][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 761.639803][ T3767] netdev_get_by_index+0x5e/0x80 [ 761.639803][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 761.639803][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 761.639803][ T3767] ip6_route_add+0x1c/0x140 [ 761.639803][ T3767] addrconf_add_mroute+0x129/0x180 [ 761.639803][ T3767] addrconf_add_dev+0xe2/0x170 [ 761.639803][ T3767] inet6_addr_add+0x12f/0xa40 [ 761.639803][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 761.639803][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.639803][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.639803][ T3767] netlink_unicast+0x449/0x710 [ 761.639803][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.639803][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.639803][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.639803][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.639803][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.639803][ T3767] [ 761.642185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 761.642185][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 761.642185][ T3767] ipv6_find_idev+0x102/0x170 [ 761.642185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 761.642185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.642185][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.642185][ T3767] netlink_unicast+0x449/0x710 [ 761.642185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.642185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.642185][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.642185][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.642185][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.642185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 761.642185][ T3767] [ 761.644098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 761.644098][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 761.644098][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 761.644098][ T3767] ipv6_find_idev+0x102/0x170 [ 761.644098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 761.644098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 761.644098][ T3767] netlink_rcv_skb+0x130/0x360 [ 761.644098][ T3767] netlink_unicast+0x449/0x710 [ 761.644098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 761.644098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 761.644098][ T3767] ___sys_sendmsg+0xee/0x170 [ 761.644098][ T3767] __sys_sendmsg+0xcd/0x170 [ 761.644098][ T3767] do_syscall_64+0xc6/0x1e0 [ 761.644098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 761.644098][ T3767] [ 771.759942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 771.760496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 771.760496][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 771.760496][ T3767] ip6_validate_gw+0x3eb/0x790 [ 771.760496][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 771.760496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 771.760496][ T3767] ip6_route_add+0x1c/0x140 [ 771.760496][ T3767] inet6_rtm_newroute+0x104/0x110 [ 771.760496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.760496][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.760496][ T3767] netlink_unicast+0x449/0x710 [ 771.760496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.760496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.760496][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.760496][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.760496][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.760496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 771.760496][ T3767] [ 771.762605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 771.762605][ T3767] netdev_get_by_index+0x5e/0x80 [ 771.762605][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 771.762605][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 771.762605][ T3767] ip6_route_add+0x1c/0x140 [ 771.762605][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 771.762605][ T3767] inet6_addr_add+0x4f8/0xa40 [ 771.762605][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 771.762605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.762605][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.762605][ T3767] netlink_unicast+0x449/0x710 [ 771.762605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.762605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.762605][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.762605][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.762605][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.762605][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 771.762605][ T3767] [ 771.764872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 771.764872][ T3767] netdev_get_by_index+0x5e/0x80 [ 771.764872][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 771.764872][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 771.764872][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 771.764872][ T3767] ipv6_add_addr+0x411/0x2000 [ 771.764872][ T3767] inet6_addr_add+0x30e/0xa40 [ 771.764872][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 771.764872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.764872][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.764872][ T3767] netlink_unicast+0x449/0x710 [ 771.764872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.764872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.764872][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.764872][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.764872][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.764872][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 771.764872][ T3767] [ 771.767087][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 771.767087][ T3767] netdev_get_by_index+0x5e/0x80 [ 771.767087][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 771.767087][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 771.767087][ T3767] ip6_route_add+0x1c/0x140 [ 771.767087][ T3767] addrconf_add_mroute+0x129/0x180 [ 771.767087][ T3767] addrconf_add_dev+0xe2/0x170 [ 771.767087][ T3767] inet6_addr_add+0x12f/0xa40 [ 771.767087][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 771.767087][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.767087][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.767087][ T3767] netlink_unicast+0x449/0x710 [ 771.767087][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.767087][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.767087][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.767087][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.767087][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.767087][ T3767] [ 771.769290][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 771.769290][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 771.769290][ T3767] ipv6_find_idev+0x102/0x170 [ 771.769290][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 771.769290][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.769290][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.769290][ T3767] netlink_unicast+0x449/0x710 [ 771.769290][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.769290][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.769290][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.769290][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.769290][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.769290][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 771.769290][ T3767] [ 771.770997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 771.770997][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 771.770997][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 771.770997][ T3767] ipv6_find_idev+0x102/0x170 [ 771.770997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 771.770997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 771.770997][ T3767] netlink_rcv_skb+0x130/0x360 [ 771.770997][ T3767] netlink_unicast+0x449/0x710 [ 771.770997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 771.770997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 771.770997][ T3767] ___sys_sendmsg+0xee/0x170 [ 771.770997][ T3767] __sys_sendmsg+0xcd/0x170 [ 771.770997][ T3767] do_syscall_64+0xc6/0x1e0 [ 771.770997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 771.770997][ T3767] [ 782.015934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 782.016388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 782.016388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 782.016388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 782.016388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 782.016388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 782.016388][ T3767] ip6_route_add+0x1c/0x140 [ 782.016388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 782.016388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.016388][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.016388][ T3767] netlink_unicast+0x449/0x710 [ 782.016388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.016388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.016388][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.016388][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.016388][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.016388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 782.016388][ T3767] [ 782.018633][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 782.018633][ T3767] netdev_get_by_index+0x5e/0x80 [ 782.018633][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 782.018633][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 782.018633][ T3767] ip6_route_add+0x1c/0x140 [ 782.018633][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 782.018633][ T3767] inet6_addr_add+0x4f8/0xa40 [ 782.018633][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 782.018633][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.018633][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.018633][ T3767] netlink_unicast+0x449/0x710 [ 782.018633][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.018633][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.018633][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.018633][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.018633][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.018633][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 782.018633][ T3767] [ 782.020839][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 782.020839][ T3767] netdev_get_by_index+0x5e/0x80 [ 782.020839][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 782.020839][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 782.020839][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 782.020839][ T3767] ipv6_add_addr+0x411/0x2000 [ 782.020839][ T3767] inet6_addr_add+0x30e/0xa40 [ 782.020839][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 782.020839][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.020839][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.020839][ T3767] netlink_unicast+0x449/0x710 [ 782.020839][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.020839][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.020839][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.020839][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.020839][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.020839][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 782.020839][ T3767] [ 782.023051][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 782.023051][ T3767] netdev_get_by_index+0x5e/0x80 [ 782.023051][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 782.023051][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 782.023051][ T3767] ip6_route_add+0x1c/0x140 [ 782.023051][ T3767] addrconf_add_mroute+0x129/0x180 [ 782.023051][ T3767] addrconf_add_dev+0xe2/0x170 [ 782.023051][ T3767] inet6_addr_add+0x12f/0xa40 [ 782.023051][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 782.023051][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.023051][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.023051][ T3767] netlink_unicast+0x449/0x710 [ 782.023051][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.023051][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.023051][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.023051][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.023051][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.023051][ T3767] [ 782.025218][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 782.025218][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 782.025218][ T3767] ipv6_find_idev+0x102/0x170 [ 782.025218][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 782.025218][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.025218][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.025218][ T3767] netlink_unicast+0x449/0x710 [ 782.025218][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.025218][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.025218][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.025218][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.025218][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.025218][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 782.025218][ T3767] [ 782.026913][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 782.026913][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 782.026913][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 782.026913][ T3767] ipv6_find_idev+0x102/0x170 [ 782.026913][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 782.026913][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 782.026913][ T3767] netlink_rcv_skb+0x130/0x360 [ 782.026913][ T3767] netlink_unicast+0x449/0x710 [ 782.026913][ T3767] netlink_sendmsg+0x723/0xbe0 [ 782.026913][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 782.026913][ T3767] ___sys_sendmsg+0xee/0x170 [ 782.026913][ T3767] __sys_sendmsg+0xcd/0x170 [ 782.026913][ T3767] do_syscall_64+0xc6/0x1e0 [ 782.026913][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 782.026913][ T3767] [ 792.263898][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 792.264416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 792.264416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 792.264416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 792.264416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 792.264416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 792.264416][ T3767] ip6_route_add+0x1c/0x140 [ 792.264416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 792.264416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.264416][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.264416][ T3767] netlink_unicast+0x449/0x710 [ 792.264416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.264416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.264416][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.264416][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.264416][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.264416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 792.264416][ T3767] [ 792.266871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 792.266871][ T3767] netdev_get_by_index+0x5e/0x80 [ 792.266871][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 792.266871][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 792.266871][ T3767] ip6_route_add+0x1c/0x140 [ 792.266871][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 792.266871][ T3767] inet6_addr_add+0x4f8/0xa40 [ 792.266871][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 792.266871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.266871][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.266871][ T3767] netlink_unicast+0x449/0x710 [ 792.266871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.266871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.266871][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.266871][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.266871][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.266871][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 792.266871][ T3767] [ 792.269460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 792.269460][ T3767] netdev_get_by_index+0x5e/0x80 [ 792.269460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 792.269460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 792.269460][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 792.269460][ T3767] ipv6_add_addr+0x411/0x2000 [ 792.269460][ T3767] inet6_addr_add+0x30e/0xa40 [ 792.269460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 792.269460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.269460][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.269460][ T3767] netlink_unicast+0x449/0x710 [ 792.269460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.269460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.269460][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.269460][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.269460][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.269460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 792.269460][ T3767] [ 792.272043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 792.272043][ T3767] netdev_get_by_index+0x5e/0x80 [ 792.272043][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 792.272043][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 792.272043][ T3767] ip6_route_add+0x1c/0x140 [ 792.272043][ T3767] addrconf_add_mroute+0x129/0x180 [ 792.272043][ T3767] addrconf_add_dev+0xe2/0x170 [ 792.272043][ T3767] inet6_addr_add+0x12f/0xa40 [ 792.272043][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 792.272043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.272043][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.272043][ T3767] netlink_unicast+0x449/0x710 [ 792.272043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.272043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.272043][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.272043][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.272043][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.272043][ T3767] [ 792.274611][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 792.274611][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 792.274611][ T3767] ipv6_find_idev+0x102/0x170 [ 792.274611][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 792.274611][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.274611][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.274611][ T3767] netlink_unicast+0x449/0x710 [ 792.274611][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.274611][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.274611][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.274611][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.274611][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.274611][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 792.274611][ T3767] [ 792.276596][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 792.276596][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 792.276596][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 792.276596][ T3767] ipv6_find_idev+0x102/0x170 [ 792.276596][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 792.276596][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 792.276596][ T3767] netlink_rcv_skb+0x130/0x360 [ 792.276596][ T3767] netlink_unicast+0x449/0x710 [ 792.276596][ T3767] netlink_sendmsg+0x723/0xbe0 [ 792.276596][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 792.276596][ T3767] ___sys_sendmsg+0xee/0x170 [ 792.276596][ T3767] __sys_sendmsg+0xcd/0x170 [ 792.276596][ T3767] do_syscall_64+0xc6/0x1e0 [ 792.276596][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 792.276596][ T3767] [ 802.391989][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 802.392546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 802.392546][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 802.392546][ T3767] ip6_validate_gw+0x3eb/0x790 [ 802.392546][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 802.392546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 802.392546][ T3767] ip6_route_add+0x1c/0x140 [ 802.392546][ T3767] inet6_rtm_newroute+0x104/0x110 [ 802.392546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.392546][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.392546][ T3767] netlink_unicast+0x449/0x710 [ 802.392546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.392546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.392546][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.392546][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.392546][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.392546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 802.392546][ T3767] [ 802.395088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 802.395088][ T3767] netdev_get_by_index+0x5e/0x80 [ 802.395088][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 802.395088][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 802.395088][ T3767] ip6_route_add+0x1c/0x140 [ 802.395088][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 802.395088][ T3767] inet6_addr_add+0x4f8/0xa40 [ 802.395088][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 802.395088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.395088][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.395088][ T3767] netlink_unicast+0x449/0x710 [ 802.395088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.395088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.395088][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.395088][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.395088][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.395088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 802.395088][ T3767] [ 802.397779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 802.397779][ T3767] netdev_get_by_index+0x5e/0x80 [ 802.397779][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 802.397779][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 802.397779][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 802.397779][ T3767] ipv6_add_addr+0x411/0x2000 [ 802.397779][ T3767] inet6_addr_add+0x30e/0xa40 [ 802.397779][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 802.397779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.397779][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.397779][ T3767] netlink_unicast+0x449/0x710 [ 802.397779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.397779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.397779][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.397779][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.397779][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.397779][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 802.397779][ T3767] [ 802.400543][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 802.400543][ T3767] netdev_get_by_index+0x5e/0x80 [ 802.400543][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 802.400543][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 802.400543][ T3767] ip6_route_add+0x1c/0x140 [ 802.400543][ T3767] addrconf_add_mroute+0x129/0x180 [ 802.400543][ T3767] addrconf_add_dev+0xe2/0x170 [ 802.400543][ T3767] inet6_addr_add+0x12f/0xa40 [ 802.400543][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 802.400543][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.400543][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.400543][ T3767] netlink_unicast+0x449/0x710 [ 802.400543][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.400543][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.400543][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.400543][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.400543][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.400543][ T3767] [ 802.403115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 802.403115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 802.403115][ T3767] ipv6_find_idev+0x102/0x170 [ 802.403115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 802.403115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.403115][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.403115][ T3767] netlink_unicast+0x449/0x710 [ 802.403115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.403115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.403115][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.403115][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.403115][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.403115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 802.403115][ T3767] [ 802.405102][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 802.405102][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 802.405102][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 802.405102][ T3767] ipv6_find_idev+0x102/0x170 [ 802.405102][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 802.405102][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 802.405102][ T3767] netlink_rcv_skb+0x130/0x360 [ 802.405102][ T3767] netlink_unicast+0x449/0x710 [ 802.405102][ T3767] netlink_sendmsg+0x723/0xbe0 [ 802.405102][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 802.405102][ T3767] ___sys_sendmsg+0xee/0x170 [ 802.405102][ T3767] __sys_sendmsg+0xcd/0x170 [ 802.405102][ T3767] do_syscall_64+0xc6/0x1e0 [ 802.405102][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 802.405102][ T3767] [ 812.647886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 812.648373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 812.648373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 812.648373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 812.648373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 812.648373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 812.648373][ T3767] ip6_route_add+0x1c/0x140 [ 812.648373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 812.648373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.648373][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.648373][ T3767] netlink_unicast+0x449/0x710 [ 812.648373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.648373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.648373][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.648373][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.648373][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.648373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 812.648373][ T3767] [ 812.650462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 812.650462][ T3767] netdev_get_by_index+0x5e/0x80 [ 812.650462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 812.650462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 812.650462][ T3767] ip6_route_add+0x1c/0x140 [ 812.650462][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 812.650462][ T3767] inet6_addr_add+0x4f8/0xa40 [ 812.650462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 812.650462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.650462][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.650462][ T3767] netlink_unicast+0x449/0x710 [ 812.650462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.650462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.650462][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.650462][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.650462][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.650462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 812.650462][ T3767] [ 812.652648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 812.652648][ T3767] netdev_get_by_index+0x5e/0x80 [ 812.652648][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 812.652648][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 812.652648][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 812.652648][ T3767] ipv6_add_addr+0x411/0x2000 [ 812.652648][ T3767] inet6_addr_add+0x30e/0xa40 [ 812.652648][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 812.652648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.652648][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.652648][ T3767] netlink_unicast+0x449/0x710 [ 812.652648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.652648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.652648][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.652648][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.652648][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.652648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 812.652648][ T3767] [ 812.654890][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 812.654890][ T3767] netdev_get_by_index+0x5e/0x80 [ 812.654890][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 812.654890][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 812.654890][ T3767] ip6_route_add+0x1c/0x140 [ 812.654890][ T3767] addrconf_add_mroute+0x129/0x180 [ 812.654890][ T3767] addrconf_add_dev+0xe2/0x170 [ 812.654890][ T3767] inet6_addr_add+0x12f/0xa40 [ 812.654890][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 812.654890][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.654890][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.654890][ T3767] netlink_unicast+0x449/0x710 [ 812.654890][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.654890][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.654890][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.654890][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.654890][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.654890][ T3767] [ 812.657031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 812.657031][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 812.657031][ T3767] ipv6_find_idev+0x102/0x170 [ 812.657031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 812.657031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.657031][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.657031][ T3767] netlink_unicast+0x449/0x710 [ 812.657031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.657031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.657031][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.657031][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.657031][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.657031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 812.657031][ T3767] [ 812.658706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 812.658706][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 812.658706][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 812.658706][ T3767] ipv6_find_idev+0x102/0x170 [ 812.658706][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 812.658706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 812.658706][ T3767] netlink_rcv_skb+0x130/0x360 [ 812.658706][ T3767] netlink_unicast+0x449/0x710 [ 812.658706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 812.658706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 812.658706][ T3767] ___sys_sendmsg+0xee/0x170 [ 812.658706][ T3767] __sys_sendmsg+0xcd/0x170 [ 812.658706][ T3767] do_syscall_64+0xc6/0x1e0 [ 812.658706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 812.658706][ T3767] [ 822.895884][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 822.896369][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 822.896369][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 822.896369][ T3767] ip6_validate_gw+0x3eb/0x790 [ 822.896369][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 822.896369][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 822.896369][ T3767] ip6_route_add+0x1c/0x140 [ 822.896369][ T3767] inet6_rtm_newroute+0x104/0x110 [ 822.896369][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.896369][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.896369][ T3767] netlink_unicast+0x449/0x710 [ 822.896369][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.896369][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.896369][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.896369][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.896369][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.896369][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.896369][ T3767] [ 822.898452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 822.898452][ T3767] netdev_get_by_index+0x5e/0x80 [ 822.898452][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 822.898452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 822.898452][ T3767] ip6_route_add+0x1c/0x140 [ 822.898452][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 822.898452][ T3767] inet6_addr_add+0x4f8/0xa40 [ 822.898452][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 822.898452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.898452][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.898452][ T3767] netlink_unicast+0x449/0x710 [ 822.898452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.898452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.898452][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.898452][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.898452][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.898452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.898452][ T3767] [ 822.900632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 822.900632][ T3767] netdev_get_by_index+0x5e/0x80 [ 822.900632][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 822.900632][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 822.900632][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 822.900632][ T3767] ipv6_add_addr+0x411/0x2000 [ 822.900632][ T3767] inet6_addr_add+0x30e/0xa40 [ 822.900632][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 822.900632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.900632][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.900632][ T3767] netlink_unicast+0x449/0x710 [ 822.900632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.900632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.900632][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.900632][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.900632][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.900632][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.900632][ T3767] [ 822.902816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 822.902816][ T3767] netdev_get_by_index+0x5e/0x80 [ 822.902816][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 822.902816][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 822.902816][ T3767] ip6_route_add+0x1c/0x140 [ 822.902816][ T3767] addrconf_add_mroute+0x129/0x180 [ 822.902816][ T3767] addrconf_add_dev+0xe2/0x170 [ 822.902816][ T3767] inet6_addr_add+0x12f/0xa40 [ 822.902816][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 822.902816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.902816][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.902816][ T3767] netlink_unicast+0x449/0x710 [ 822.902816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.902816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.902816][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.902816][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.902816][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.902816][ T3767] [ 822.904984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 822.904984][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 822.904984][ T3767] ipv6_find_idev+0x102/0x170 [ 822.904984][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.904984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.904984][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.904984][ T3767] netlink_unicast+0x449/0x710 [ 822.904984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.904984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.904984][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.904984][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.904984][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.904984][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.904984][ T3767] [ 822.906671][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 822.906671][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 822.906671][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 822.906671][ T3767] ipv6_find_idev+0x102/0x170 [ 822.906671][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 822.906671][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 822.906671][ T3767] netlink_rcv_skb+0x130/0x360 [ 822.906671][ T3767] netlink_unicast+0x449/0x710 [ 822.906671][ T3767] netlink_sendmsg+0x723/0xbe0 [ 822.906671][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 822.906671][ T3767] ___sys_sendmsg+0xee/0x170 [ 822.906671][ T3767] __sys_sendmsg+0xcd/0x170 [ 822.906671][ T3767] do_syscall_64+0xc6/0x1e0 [ 822.906671][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 822.906671][ T3767] [ 833.143893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 833.144320][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 833.144320][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 833.144320][ T3767] ip6_validate_gw+0x3eb/0x790 [ 833.144320][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 833.144320][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 833.144320][ T3767] ip6_route_add+0x1c/0x140 [ 833.144320][ T3767] inet6_rtm_newroute+0x104/0x110 [ 833.144320][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.144320][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.144320][ T3767] netlink_unicast+0x449/0x710 [ 833.144320][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.144320][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.144320][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.144320][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.144320][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.144320][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 833.144320][ T3767] [ 833.146536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 833.146536][ T3767] netdev_get_by_index+0x5e/0x80 [ 833.146536][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 833.146536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 833.146536][ T3767] ip6_route_add+0x1c/0x140 [ 833.146536][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 833.146536][ T3767] inet6_addr_add+0x4f8/0xa40 [ 833.146536][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 833.146536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.146536][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.146536][ T3767] netlink_unicast+0x449/0x710 [ 833.146536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.146536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.146536][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.146536][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.146536][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.146536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 833.146536][ T3767] [ 833.148843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 833.148843][ T3767] netdev_get_by_index+0x5e/0x80 [ 833.148843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 833.148843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 833.148843][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 833.148843][ T3767] ipv6_add_addr+0x411/0x2000 [ 833.148843][ T3767] inet6_addr_add+0x30e/0xa40 [ 833.148843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 833.148843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.148843][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.148843][ T3767] netlink_unicast+0x449/0x710 [ 833.148843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.148843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.148843][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.148843][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.148843][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.148843][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 833.148843][ T3767] [ 833.151216][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 833.151216][ T3767] netdev_get_by_index+0x5e/0x80 [ 833.151216][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 833.151216][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 833.151216][ T3767] ip6_route_add+0x1c/0x140 [ 833.151216][ T3767] addrconf_add_mroute+0x129/0x180 [ 833.151216][ T3767] addrconf_add_dev+0xe2/0x170 [ 833.151216][ T3767] inet6_addr_add+0x12f/0xa40 [ 833.151216][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 833.151216][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.151216][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.151216][ T3767] netlink_unicast+0x449/0x710 [ 833.151216][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.151216][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.151216][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.151216][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.151216][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.151216][ T3767] [ 833.153575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 833.153575][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 833.153575][ T3767] ipv6_find_idev+0x102/0x170 [ 833.153575][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 833.153575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.153575][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.153575][ T3767] netlink_unicast+0x449/0x710 [ 833.153575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.153575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.153575][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.153575][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.153575][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.153575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 833.153575][ T3767] [ 833.155293][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 833.155293][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 833.155293][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 833.155293][ T3767] ipv6_find_idev+0x102/0x170 [ 833.155293][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 833.155293][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 833.155293][ T3767] netlink_rcv_skb+0x130/0x360 [ 833.155293][ T3767] netlink_unicast+0x449/0x710 [ 833.155293][ T3767] netlink_sendmsg+0x723/0xbe0 [ 833.155293][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 833.155293][ T3767] ___sys_sendmsg+0xee/0x170 [ 833.155293][ T3767] __sys_sendmsg+0xcd/0x170 [ 833.155293][ T3767] do_syscall_64+0xc6/0x1e0 [ 833.155293][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 833.155293][ T3767] [ 843.399904][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 843.400393][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 843.400393][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 843.400393][ T3767] ip6_validate_gw+0x3eb/0x790 [ 843.400393][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 843.400393][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 843.400393][ T3767] ip6_route_add+0x1c/0x140 [ 843.400393][ T3767] inet6_rtm_newroute+0x104/0x110 [ 843.400393][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.400393][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.400393][ T3767] netlink_unicast+0x449/0x710 [ 843.400393][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.400393][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.400393][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.400393][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.400393][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.400393][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 843.400393][ T3767] [ 843.402483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 843.402483][ T3767] netdev_get_by_index+0x5e/0x80 [ 843.402483][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 843.402483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 843.402483][ T3767] ip6_route_add+0x1c/0x140 [ 843.402483][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 843.402483][ T3767] inet6_addr_add+0x4f8/0xa40 [ 843.402483][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 843.402483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.402483][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.402483][ T3767] netlink_unicast+0x449/0x710 [ 843.402483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.402483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.402483][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.402483][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.402483][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.402483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 843.402483][ T3767] [ 843.404764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 843.404764][ T3767] netdev_get_by_index+0x5e/0x80 [ 843.404764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 843.404764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 843.404764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 843.404764][ T3767] ipv6_add_addr+0x411/0x2000 [ 843.404764][ T3767] inet6_addr_add+0x30e/0xa40 [ 843.404764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 843.404764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.404764][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.404764][ T3767] netlink_unicast+0x449/0x710 [ 843.404764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.404764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.404764][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.404764][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.404764][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.404764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 843.404764][ T3767] [ 843.406952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 843.406952][ T3767] netdev_get_by_index+0x5e/0x80 [ 843.406952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 843.406952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 843.406952][ T3767] ip6_route_add+0x1c/0x140 [ 843.406952][ T3767] addrconf_add_mroute+0x129/0x180 [ 843.406952][ T3767] addrconf_add_dev+0xe2/0x170 [ 843.406952][ T3767] inet6_addr_add+0x12f/0xa40 [ 843.406952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 843.406952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.406952][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.406952][ T3767] netlink_unicast+0x449/0x710 [ 843.406952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.406952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.406952][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.406952][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.406952][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.406952][ T3767] [ 843.409118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 843.409118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 843.409118][ T3767] ipv6_find_idev+0x102/0x170 [ 843.409118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 843.409118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.409118][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.409118][ T3767] netlink_unicast+0x449/0x710 [ 843.409118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.409118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.409118][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.409118][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.409118][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.409118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 843.409118][ T3767] [ 843.410802][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 843.410802][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 843.410802][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 843.410802][ T3767] ipv6_find_idev+0x102/0x170 [ 843.410802][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 843.410802][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 843.410802][ T3767] netlink_rcv_skb+0x130/0x360 [ 843.410802][ T3767] netlink_unicast+0x449/0x710 [ 843.410802][ T3767] netlink_sendmsg+0x723/0xbe0 [ 843.410802][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 843.410802][ T3767] ___sys_sendmsg+0xee/0x170 [ 843.410802][ T3767] __sys_sendmsg+0xcd/0x170 [ 843.410802][ T3767] do_syscall_64+0xc6/0x1e0 [ 843.410802][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 843.410802][ T3767] [ 853.647910][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 853.648356][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 853.648356][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 853.648356][ T3767] ip6_validate_gw+0x3eb/0x790 [ 853.648356][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 853.648356][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 853.648356][ T3767] ip6_route_add+0x1c/0x140 [ 853.648356][ T3767] inet6_rtm_newroute+0x104/0x110 [ 853.648356][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.648356][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.648356][ T3767] netlink_unicast+0x449/0x710 [ 853.648356][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.648356][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.648356][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.648356][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.648356][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.648356][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.648356][ T3767] [ 853.650434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 853.650434][ T3767] netdev_get_by_index+0x5e/0x80 [ 853.650434][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 853.650434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 853.650434][ T3767] ip6_route_add+0x1c/0x140 [ 853.650434][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 853.650434][ T3767] inet6_addr_add+0x4f8/0xa40 [ 853.650434][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 853.650434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.650434][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.650434][ T3767] netlink_unicast+0x449/0x710 [ 853.650434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.650434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.650434][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.650434][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.650434][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.650434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.650434][ T3767] [ 853.652633][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 853.652633][ T3767] netdev_get_by_index+0x5e/0x80 [ 853.652633][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 853.652633][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 853.652633][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 853.652633][ T3767] ipv6_add_addr+0x411/0x2000 [ 853.652633][ T3767] inet6_addr_add+0x30e/0xa40 [ 853.652633][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 853.652633][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.652633][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.652633][ T3767] netlink_unicast+0x449/0x710 [ 853.652633][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.652633][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.652633][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.652633][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.652633][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.652633][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.652633][ T3767] [ 853.654854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 853.654854][ T3767] netdev_get_by_index+0x5e/0x80 [ 853.654854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 853.654854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 853.654854][ T3767] ip6_route_add+0x1c/0x140 [ 853.654854][ T3767] addrconf_add_mroute+0x129/0x180 [ 853.654854][ T3767] addrconf_add_dev+0xe2/0x170 [ 853.654854][ T3767] inet6_addr_add+0x12f/0xa40 [ 853.654854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 853.654854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.654854][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.654854][ T3767] netlink_unicast+0x449/0x710 [ 853.654854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.654854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.654854][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.654854][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.654854][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.654854][ T3767] [ 853.657040][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 853.657040][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 853.657040][ T3767] ipv6_find_idev+0x102/0x170 [ 853.657040][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 853.657040][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.657040][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.657040][ T3767] netlink_unicast+0x449/0x710 [ 853.657040][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.657040][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.657040][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.657040][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.657040][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.657040][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.657040][ T3767] [ 853.658740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 853.658740][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 853.658740][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 853.658740][ T3767] ipv6_find_idev+0x102/0x170 [ 853.658740][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 853.658740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 853.658740][ T3767] netlink_rcv_skb+0x130/0x360 [ 853.658740][ T3767] netlink_unicast+0x449/0x710 [ 853.658740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 853.658740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 853.658740][ T3767] ___sys_sendmsg+0xee/0x170 [ 853.658740][ T3767] __sys_sendmsg+0xcd/0x170 [ 853.658740][ T3767] do_syscall_64+0xc6/0x1e0 [ 853.658740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 853.658740][ T3767] [ 863.895912][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 863.896361][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 863.896361][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 863.896361][ T3767] ip6_validate_gw+0x3eb/0x790 [ 863.896361][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 863.896361][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 863.896361][ T3767] ip6_route_add+0x1c/0x140 [ 863.896361][ T3767] inet6_rtm_newroute+0x104/0x110 [ 863.896361][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.896361][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.896361][ T3767] netlink_unicast+0x449/0x710 [ 863.896361][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.896361][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.896361][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.896361][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.896361][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.896361][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.896361][ T3767] [ 863.898713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 863.898713][ T3767] netdev_get_by_index+0x5e/0x80 [ 863.898713][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 863.898713][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 863.898713][ T3767] ip6_route_add+0x1c/0x140 [ 863.898713][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 863.898713][ T3767] inet6_addr_add+0x4f8/0xa40 [ 863.898713][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 863.898713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.898713][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.898713][ T3767] netlink_unicast+0x449/0x710 [ 863.898713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.898713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.898713][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.898713][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.898713][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.898713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.898713][ T3767] [ 863.901086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 863.901086][ T3767] netdev_get_by_index+0x5e/0x80 [ 863.901086][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 863.901086][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 863.901086][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 863.901086][ T3767] ipv6_add_addr+0x411/0x2000 [ 863.901086][ T3767] inet6_addr_add+0x30e/0xa40 [ 863.901086][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 863.901086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.901086][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.901086][ T3767] netlink_unicast+0x449/0x710 [ 863.901086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.901086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.901086][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.901086][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.901086][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.901086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.901086][ T3767] [ 863.903288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 863.903288][ T3767] netdev_get_by_index+0x5e/0x80 [ 863.903288][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 863.903288][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 863.903288][ T3767] ip6_route_add+0x1c/0x140 [ 863.903288][ T3767] addrconf_add_mroute+0x129/0x180 [ 863.903288][ T3767] addrconf_add_dev+0xe2/0x170 [ 863.903288][ T3767] inet6_addr_add+0x12f/0xa40 [ 863.903288][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 863.903288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.903288][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.903288][ T3767] netlink_unicast+0x449/0x710 [ 863.903288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.903288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.903288][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.903288][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.903288][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.903288][ T3767] [ 863.905472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 863.905472][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 863.905472][ T3767] ipv6_find_idev+0x102/0x170 [ 863.905472][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.905472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.905472][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.905472][ T3767] netlink_unicast+0x449/0x710 [ 863.905472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.905472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.905472][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.905472][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.905472][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.905472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.905472][ T3767] [ 863.907234][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 863.907234][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 863.907234][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 863.907234][ T3767] ipv6_find_idev+0x102/0x170 [ 863.907234][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 863.907234][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 863.907234][ T3767] netlink_rcv_skb+0x130/0x360 [ 863.907234][ T3767] netlink_unicast+0x449/0x710 [ 863.907234][ T3767] netlink_sendmsg+0x723/0xbe0 [ 863.907234][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 863.907234][ T3767] ___sys_sendmsg+0xee/0x170 [ 863.907234][ T3767] __sys_sendmsg+0xcd/0x170 [ 863.907234][ T3767] do_syscall_64+0xc6/0x1e0 [ 863.907234][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 863.907234][ T3767] [ 874.039957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 874.040397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 874.040397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 874.040397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 874.040397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 874.040397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 874.040397][ T3767] ip6_route_add+0x1c/0x140 [ 874.040397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 874.040397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.040397][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.040397][ T3767] netlink_unicast+0x449/0x710 [ 874.040397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.040397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.040397][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.040397][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.040397][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.040397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 874.040397][ T3767] [ 874.042499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 874.042499][ T3767] netdev_get_by_index+0x5e/0x80 [ 874.042499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 874.042499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 874.042499][ T3767] ip6_route_add+0x1c/0x140 [ 874.042499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 874.042499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 874.042499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 874.042499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.042499][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.042499][ T3767] netlink_unicast+0x449/0x710 [ 874.042499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.042499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.042499][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.042499][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.042499][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.042499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 874.042499][ T3767] [ 874.044739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 874.044739][ T3767] netdev_get_by_index+0x5e/0x80 [ 874.044739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 874.044739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 874.044739][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 874.044739][ T3767] ipv6_add_addr+0x411/0x2000 [ 874.044739][ T3767] inet6_addr_add+0x30e/0xa40 [ 874.044739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 874.044739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.044739][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.044739][ T3767] netlink_unicast+0x449/0x710 [ 874.044739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.044739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.044739][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.044739][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.044739][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.044739][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 874.044739][ T3767] [ 874.046952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 874.046952][ T3767] netdev_get_by_index+0x5e/0x80 [ 874.046952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 874.046952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 874.046952][ T3767] ip6_route_add+0x1c/0x140 [ 874.046952][ T3767] addrconf_add_mroute+0x129/0x180 [ 874.046952][ T3767] addrconf_add_dev+0xe2/0x170 [ 874.046952][ T3767] inet6_addr_add+0x12f/0xa40 [ 874.046952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 874.046952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.046952][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.046952][ T3767] netlink_unicast+0x449/0x710 [ 874.046952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.046952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.046952][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.046952][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.046952][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.046952][ T3767] [ 874.049129][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 874.049129][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 874.049129][ T3767] ipv6_find_idev+0x102/0x170 [ 874.049129][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 874.049129][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.049129][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.049129][ T3767] netlink_unicast+0x449/0x710 [ 874.049129][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.049129][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.049129][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.049129][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.049129][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.049129][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 874.049129][ T3767] [ 874.050827][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 874.050827][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 874.050827][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 874.050827][ T3767] ipv6_find_idev+0x102/0x170 [ 874.050827][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 874.050827][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 874.050827][ T3767] netlink_rcv_skb+0x130/0x360 [ 874.050827][ T3767] netlink_unicast+0x449/0x710 [ 874.050827][ T3767] netlink_sendmsg+0x723/0xbe0 [ 874.050827][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 874.050827][ T3767] ___sys_sendmsg+0xee/0x170 [ 874.050827][ T3767] __sys_sendmsg+0xcd/0x170 [ 874.050827][ T3767] do_syscall_64+0xc6/0x1e0 [ 874.050827][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 874.050827][ T3767] [ 884.287972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 884.288398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 884.288398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 884.288398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 884.288398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 884.288398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 884.288398][ T3767] ip6_route_add+0x1c/0x140 [ 884.288398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 884.288398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.288398][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.288398][ T3767] netlink_unicast+0x449/0x710 [ 884.288398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.288398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.288398][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.288398][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.288398][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.288398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 884.288398][ T3767] [ 884.290477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 884.290477][ T3767] netdev_get_by_index+0x5e/0x80 [ 884.290477][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 884.290477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 884.290477][ T3767] ip6_route_add+0x1c/0x140 [ 884.290477][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 884.290477][ T3767] inet6_addr_add+0x4f8/0xa40 [ 884.290477][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 884.290477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.290477][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.290477][ T3767] netlink_unicast+0x449/0x710 [ 884.290477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.290477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.290477][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.290477][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.290477][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.290477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 884.290477][ T3767] [ 884.292709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 884.292709][ T3767] netdev_get_by_index+0x5e/0x80 [ 884.292709][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 884.292709][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 884.292709][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 884.292709][ T3767] ipv6_add_addr+0x411/0x2000 [ 884.292709][ T3767] inet6_addr_add+0x30e/0xa40 [ 884.292709][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 884.292709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.292709][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.292709][ T3767] netlink_unicast+0x449/0x710 [ 884.292709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.292709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.292709][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.292709][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.292709][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.292709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 884.292709][ T3767] [ 884.294915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 884.294915][ T3767] netdev_get_by_index+0x5e/0x80 [ 884.294915][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 884.294915][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 884.294915][ T3767] ip6_route_add+0x1c/0x140 [ 884.294915][ T3767] addrconf_add_mroute+0x129/0x180 [ 884.294915][ T3767] addrconf_add_dev+0xe2/0x170 [ 884.294915][ T3767] inet6_addr_add+0x12f/0xa40 [ 884.294915][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 884.294915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.294915][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.294915][ T3767] netlink_unicast+0x449/0x710 [ 884.294915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.294915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.294915][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.294915][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.294915][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.294915][ T3767] [ 884.297090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 884.297090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 884.297090][ T3767] ipv6_find_idev+0x102/0x170 [ 884.297090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 884.297090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.297090][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.297090][ T3767] netlink_unicast+0x449/0x710 [ 884.297090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.297090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.297090][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.297090][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.297090][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.297090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 884.297090][ T3767] [ 884.298785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 884.298785][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 884.298785][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 884.298785][ T3767] ipv6_find_idev+0x102/0x170 [ 884.298785][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 884.298785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 884.298785][ T3767] netlink_rcv_skb+0x130/0x360 [ 884.298785][ T3767] netlink_unicast+0x449/0x710 [ 884.298785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 884.298785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 884.298785][ T3767] ___sys_sendmsg+0xee/0x170 [ 884.298785][ T3767] __sys_sendmsg+0xcd/0x170 [ 884.298785][ T3767] do_syscall_64+0xc6/0x1e0 [ 884.298785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 884.298785][ T3767] [ 894.399890][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 894.400326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 894.400326][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 894.400326][ T3767] ip6_validate_gw+0x3eb/0x790 [ 894.400326][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 894.400326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 894.400326][ T3767] ip6_route_add+0x1c/0x140 [ 894.400326][ T3767] inet6_rtm_newroute+0x104/0x110 [ 894.400326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.400326][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.400326][ T3767] netlink_unicast+0x449/0x710 [ 894.400326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.400326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.400326][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.400326][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.400326][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.400326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 894.400326][ T3767] [ 894.402400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 894.402400][ T3767] netdev_get_by_index+0x5e/0x80 [ 894.402400][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 894.402400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 894.402400][ T3767] ip6_route_add+0x1c/0x140 [ 894.402400][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 894.402400][ T3767] inet6_addr_add+0x4f8/0xa40 [ 894.402400][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 894.402400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.402400][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.402400][ T3767] netlink_unicast+0x449/0x710 [ 894.402400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.402400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.402400][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.402400][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.402400][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.402400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 894.402400][ T3767] [ 894.404635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 894.404635][ T3767] netdev_get_by_index+0x5e/0x80 [ 894.404635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 894.404635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 894.404635][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 894.404635][ T3767] ipv6_add_addr+0x411/0x2000 [ 894.404635][ T3767] inet6_addr_add+0x30e/0xa40 [ 894.404635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 894.404635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.404635][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.404635][ T3767] netlink_unicast+0x449/0x710 [ 894.404635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.404635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.404635][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.404635][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.404635][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.404635][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 894.404635][ T3767] [ 894.406860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 894.406860][ T3767] netdev_get_by_index+0x5e/0x80 [ 894.406860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 894.406860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 894.406860][ T3767] ip6_route_add+0x1c/0x140 [ 894.406860][ T3767] addrconf_add_mroute+0x129/0x180 [ 894.406860][ T3767] addrconf_add_dev+0xe2/0x170 [ 894.406860][ T3767] inet6_addr_add+0x12f/0xa40 [ 894.406860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 894.406860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.406860][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.406860][ T3767] netlink_unicast+0x449/0x710 [ 894.406860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.406860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.406860][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.406860][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.406860][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.406860][ T3767] [ 894.409436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 894.409436][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 894.409436][ T3767] ipv6_find_idev+0x102/0x170 [ 894.409436][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 894.409436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.409436][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.409436][ T3767] netlink_unicast+0x449/0x710 [ 894.409436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.409436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.409436][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.409436][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.409436][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.409436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 894.409436][ T3767] [ 894.411154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 894.411154][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 894.411154][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 894.411154][ T3767] ipv6_find_idev+0x102/0x170 [ 894.411154][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 894.411154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 894.411154][ T3767] netlink_rcv_skb+0x130/0x360 [ 894.411154][ T3767] netlink_unicast+0x449/0x710 [ 894.411154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 894.411154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 894.411154][ T3767] ___sys_sendmsg+0xee/0x170 [ 894.411154][ T3767] __sys_sendmsg+0xcd/0x170 [ 894.411154][ T3767] do_syscall_64+0xc6/0x1e0 [ 894.411154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 894.411154][ T3767] [ 904.631934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 904.632549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 904.632549][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 904.632549][ T3767] ip6_validate_gw+0x3eb/0x790 [ 904.632549][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 904.632549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 904.632549][ T3767] ip6_route_add+0x1c/0x140 [ 904.632549][ T3767] inet6_rtm_newroute+0x104/0x110 [ 904.632549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.632549][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.632549][ T3767] netlink_unicast+0x449/0x710 [ 904.632549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.632549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.632549][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.632549][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.632549][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.632549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 904.632549][ T3767] [ 904.635924][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 904.635924][ T3767] netdev_get_by_index+0x5e/0x80 [ 904.635924][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 904.635924][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 904.635924][ T3767] ip6_route_add+0x1c/0x140 [ 904.635924][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 904.635924][ T3767] inet6_addr_add+0x4f8/0xa40 [ 904.635924][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 904.635924][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.635924][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.635924][ T3767] netlink_unicast+0x449/0x710 [ 904.635924][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.635924][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.635924][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.635924][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.635924][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.635924][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 904.635924][ T3767] [ 904.639614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 904.639614][ T3767] netdev_get_by_index+0x5e/0x80 [ 904.639614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 904.639614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 904.639614][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 904.639614][ T3767] ipv6_add_addr+0x411/0x2000 [ 904.639614][ T3767] inet6_addr_add+0x30e/0xa40 [ 904.639614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 904.639614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.639614][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.639614][ T3767] netlink_unicast+0x449/0x710 [ 904.639614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.639614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.639614][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.639614][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.639614][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.639614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 904.639614][ T3767] [ 904.643201][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 904.643201][ T3767] netdev_get_by_index+0x5e/0x80 [ 904.643201][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 904.643201][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 904.643201][ T3767] ip6_route_add+0x1c/0x140 [ 904.643201][ T3767] addrconf_add_mroute+0x129/0x180 [ 904.643201][ T3767] addrconf_add_dev+0xe2/0x170 [ 904.643201][ T3767] inet6_addr_add+0x12f/0xa40 [ 904.643201][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 904.643201][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.643201][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.643201][ T3767] netlink_unicast+0x449/0x710 [ 904.643201][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.643201][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.643201][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.643201][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.643201][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.643201][ T3767] [ 904.646789][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 904.646789][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 904.646789][ T3767] ipv6_find_idev+0x102/0x170 [ 904.646789][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 904.646789][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.646789][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.646789][ T3767] netlink_unicast+0x449/0x710 [ 904.646789][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.646789][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.646789][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.646789][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.646789][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.646789][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 904.646789][ T3767] [ 904.649547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 904.649547][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 904.649547][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 904.649547][ T3767] ipv6_find_idev+0x102/0x170 [ 904.649547][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 904.649547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 904.649547][ T3767] netlink_rcv_skb+0x130/0x360 [ 904.649547][ T3767] netlink_unicast+0x449/0x710 [ 904.649547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 904.649547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 904.649547][ T3767] ___sys_sendmsg+0xee/0x170 [ 904.649547][ T3767] __sys_sendmsg+0xcd/0x170 [ 904.649547][ T3767] do_syscall_64+0xc6/0x1e0 [ 904.649547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 904.649547][ T3767] [ 914.655903][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 914.656338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 914.656338][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 914.656338][ T3767] ip6_validate_gw+0x3eb/0x790 [ 914.656338][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 914.656338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 914.656338][ T3767] ip6_route_add+0x1c/0x140 [ 914.656338][ T3767] inet6_rtm_newroute+0x104/0x110 [ 914.656338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.656338][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.656338][ T3767] netlink_unicast+0x449/0x710 [ 914.656338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.656338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.656338][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.656338][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.656338][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.656338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.656338][ T3767] [ 914.658439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 914.658439][ T3767] netdev_get_by_index+0x5e/0x80 [ 914.658439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 914.658439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 914.658439][ T3767] ip6_route_add+0x1c/0x140 [ 914.658439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 914.658439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 914.658439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 914.658439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.658439][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.658439][ T3767] netlink_unicast+0x449/0x710 [ 914.658439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.658439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.658439][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.658439][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.658439][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.658439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.658439][ T3767] [ 914.660639][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 914.660639][ T3767] netdev_get_by_index+0x5e/0x80 [ 914.660639][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 914.660639][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 914.660639][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 914.660639][ T3767] ipv6_add_addr+0x411/0x2000 [ 914.660639][ T3767] inet6_addr_add+0x30e/0xa40 [ 914.660639][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 914.660639][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.660639][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.660639][ T3767] netlink_unicast+0x449/0x710 [ 914.660639][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.660639][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.660639][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.660639][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.660639][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.660639][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.660639][ T3767] [ 914.662836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 914.662836][ T3767] netdev_get_by_index+0x5e/0x80 [ 914.662836][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 914.662836][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 914.662836][ T3767] ip6_route_add+0x1c/0x140 [ 914.662836][ T3767] addrconf_add_mroute+0x129/0x180 [ 914.662836][ T3767] addrconf_add_dev+0xe2/0x170 [ 914.662836][ T3767] inet6_addr_add+0x12f/0xa40 [ 914.662836][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 914.662836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.662836][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.662836][ T3767] netlink_unicast+0x449/0x710 [ 914.662836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.662836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.662836][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.662836][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.662836][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.662836][ T3767] [ 914.665082][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 914.665082][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 914.665082][ T3767] ipv6_find_idev+0x102/0x170 [ 914.665082][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.665082][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.665082][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.665082][ T3767] netlink_unicast+0x449/0x710 [ 914.665082][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.665082][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.665082][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.665082][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.665082][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.665082][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.665082][ T3767] [ 914.666778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 914.666778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 914.666778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 914.666778][ T3767] ipv6_find_idev+0x102/0x170 [ 914.666778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 914.666778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 914.666778][ T3767] netlink_rcv_skb+0x130/0x360 [ 914.666778][ T3767] netlink_unicast+0x449/0x710 [ 914.666778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 914.666778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 914.666778][ T3767] ___sys_sendmsg+0xee/0x170 [ 914.666778][ T3767] __sys_sendmsg+0xcd/0x170 [ 914.666778][ T3767] do_syscall_64+0xc6/0x1e0 [ 914.666778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 914.666778][ T3767] [ 924.904018][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 924.904466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 924.904466][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 924.904466][ T3767] ip6_validate_gw+0x3eb/0x790 [ 924.904466][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 924.904466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 924.904466][ T3767] ip6_route_add+0x1c/0x140 [ 924.904466][ T3767] inet6_rtm_newroute+0x104/0x110 [ 924.904466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.904466][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.904466][ T3767] netlink_unicast+0x449/0x710 [ 924.904466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.904466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.904466][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.904466][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.904466][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.904466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.904466][ T3767] [ 924.906638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 924.906638][ T3767] netdev_get_by_index+0x5e/0x80 [ 924.906638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 924.906638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 924.906638][ T3767] ip6_route_add+0x1c/0x140 [ 924.906638][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 924.906638][ T3767] inet6_addr_add+0x4f8/0xa40 [ 924.906638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 924.906638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.906638][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.906638][ T3767] netlink_unicast+0x449/0x710 [ 924.906638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.906638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.906638][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.906638][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.906638][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.906638][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.906638][ T3767] [ 924.908844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 924.908844][ T3767] netdev_get_by_index+0x5e/0x80 [ 924.908844][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 924.908844][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 924.908844][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 924.908844][ T3767] ipv6_add_addr+0x411/0x2000 [ 924.908844][ T3767] inet6_addr_add+0x30e/0xa40 [ 924.908844][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 924.908844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.908844][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.908844][ T3767] netlink_unicast+0x449/0x710 [ 924.908844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.908844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.908844][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.908844][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.908844][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.908844][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.908844][ T3767] [ 924.911138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 924.911138][ T3767] netdev_get_by_index+0x5e/0x80 [ 924.911138][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 924.911138][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 924.911138][ T3767] ip6_route_add+0x1c/0x140 [ 924.911138][ T3767] addrconf_add_mroute+0x129/0x180 [ 924.911138][ T3767] addrconf_add_dev+0xe2/0x170 [ 924.911138][ T3767] inet6_addr_add+0x12f/0xa40 [ 924.911138][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 924.911138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.911138][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.911138][ T3767] netlink_unicast+0x449/0x710 [ 924.911138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.911138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.911138][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.911138][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.911138][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.911138][ T3767] [ 924.913298][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 924.913298][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 924.913298][ T3767] ipv6_find_idev+0x102/0x170 [ 924.913298][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.913298][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.913298][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.913298][ T3767] netlink_unicast+0x449/0x710 [ 924.913298][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.913298][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.913298][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.913298][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.913298][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.913298][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.913298][ T3767] [ 924.915005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 924.915005][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 924.915005][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 924.915005][ T3767] ipv6_find_idev+0x102/0x170 [ 924.915005][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 924.915005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 924.915005][ T3767] netlink_rcv_skb+0x130/0x360 [ 924.915005][ T3767] netlink_unicast+0x449/0x710 [ 924.915005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 924.915005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 924.915005][ T3767] ___sys_sendmsg+0xee/0x170 [ 924.915005][ T3767] __sys_sendmsg+0xcd/0x170 [ 924.915005][ T3767] do_syscall_64+0xc6/0x1e0 [ 924.915005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 924.915005][ T3767] [ 935.159910][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 935.160567][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 935.160567][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 935.160567][ T3767] ip6_validate_gw+0x3eb/0x790 [ 935.160567][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 935.160567][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 935.160567][ T3767] ip6_route_add+0x1c/0x140 [ 935.160567][ T3767] inet6_rtm_newroute+0x104/0x110 [ 935.160567][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.160567][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.160567][ T3767] netlink_unicast+0x449/0x710 [ 935.160567][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.160567][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.160567][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.160567][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.160567][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.160567][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 935.160567][ T3767] [ 935.163908][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 935.163908][ T3767] netdev_get_by_index+0x5e/0x80 [ 935.163908][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 935.163908][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 935.163908][ T3767] ip6_route_add+0x1c/0x140 [ 935.163908][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 935.163908][ T3767] inet6_addr_add+0x4f8/0xa40 [ 935.163908][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 935.163908][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.163908][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.163908][ T3767] netlink_unicast+0x449/0x710 [ 935.163908][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.163908][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.163908][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.163908][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.163908][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.163908][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 935.163908][ T3767] [ 935.167485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 935.167485][ T3767] netdev_get_by_index+0x5e/0x80 [ 935.167485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 935.167485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 935.167485][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 935.167485][ T3767] ipv6_add_addr+0x411/0x2000 [ 935.167485][ T3767] inet6_addr_add+0x30e/0xa40 [ 935.167485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 935.167485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.167485][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.167485][ T3767] netlink_unicast+0x449/0x710 [ 935.167485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.167485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.167485][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.167485][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.167485][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.167485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 935.167485][ T3767] [ 935.171003][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 935.171003][ T3767] netdev_get_by_index+0x5e/0x80 [ 935.171003][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 935.171003][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 935.171003][ T3767] ip6_route_add+0x1c/0x140 [ 935.171003][ T3767] addrconf_add_mroute+0x129/0x180 [ 935.171003][ T3767] addrconf_add_dev+0xe2/0x170 [ 935.171003][ T3767] inet6_addr_add+0x12f/0xa40 [ 935.171003][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 935.171003][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.171003][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.171003][ T3767] netlink_unicast+0x449/0x710 [ 935.171003][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.171003][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.171003][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.171003][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.171003][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.171003][ T3767] [ 935.174495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 935.174495][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 935.174495][ T3767] ipv6_find_idev+0x102/0x170 [ 935.174495][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 935.174495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.174495][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.174495][ T3767] netlink_unicast+0x449/0x710 [ 935.174495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.174495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.174495][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.174495][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.174495][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.174495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 935.174495][ T3767] [ 935.177219][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 935.177219][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 935.177219][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 935.177219][ T3767] ipv6_find_idev+0x102/0x170 [ 935.177219][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 935.177219][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 935.177219][ T3767] netlink_rcv_skb+0x130/0x360 [ 935.177219][ T3767] netlink_unicast+0x449/0x710 [ 935.177219][ T3767] netlink_sendmsg+0x723/0xbe0 [ 935.177219][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 935.177219][ T3767] ___sys_sendmsg+0xee/0x170 [ 935.177219][ T3767] __sys_sendmsg+0xcd/0x170 [ 935.177219][ T3767] do_syscall_64+0xc6/0x1e0 [ 935.177219][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 935.177219][ T3767] [ 945.415928][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 945.416417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 945.416417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 945.416417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 945.416417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 945.416417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 945.416417][ T3767] ip6_route_add+0x1c/0x140 [ 945.416417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 945.416417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.416417][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.416417][ T3767] netlink_unicast+0x449/0x710 [ 945.416417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.416417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.416417][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.416417][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.416417][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.416417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 945.416417][ T3767] [ 945.418514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 945.418514][ T3767] netdev_get_by_index+0x5e/0x80 [ 945.418514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 945.418514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 945.418514][ T3767] ip6_route_add+0x1c/0x140 [ 945.418514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 945.418514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 945.418514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 945.418514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.418514][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.418514][ T3767] netlink_unicast+0x449/0x710 [ 945.418514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.418514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.418514][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.418514][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.418514][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.418514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 945.418514][ T3767] [ 945.420704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 945.420704][ T3767] netdev_get_by_index+0x5e/0x80 [ 945.420704][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 945.420704][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 945.420704][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 945.420704][ T3767] ipv6_add_addr+0x411/0x2000 [ 945.420704][ T3767] inet6_addr_add+0x30e/0xa40 [ 945.420704][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 945.420704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.420704][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.420704][ T3767] netlink_unicast+0x449/0x710 [ 945.420704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.420704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.420704][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.420704][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.420704][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.420704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 945.420704][ T3767] [ 945.422932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 945.422932][ T3767] netdev_get_by_index+0x5e/0x80 [ 945.422932][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 945.422932][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 945.422932][ T3767] ip6_route_add+0x1c/0x140 [ 945.422932][ T3767] addrconf_add_mroute+0x129/0x180 [ 945.422932][ T3767] addrconf_add_dev+0xe2/0x170 [ 945.422932][ T3767] inet6_addr_add+0x12f/0xa40 [ 945.422932][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 945.422932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.422932][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.422932][ T3767] netlink_unicast+0x449/0x710 [ 945.422932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.422932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.422932][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.422932][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.422932][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.422932][ T3767] [ 945.425091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 945.425091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 945.425091][ T3767] ipv6_find_idev+0x102/0x170 [ 945.425091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 945.425091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.425091][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.425091][ T3767] netlink_unicast+0x449/0x710 [ 945.425091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.425091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.425091][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.425091][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.425091][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.425091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 945.425091][ T3767] [ 945.426772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 945.426772][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 945.426772][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 945.426772][ T3767] ipv6_find_idev+0x102/0x170 [ 945.426772][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 945.426772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 945.426772][ T3767] netlink_rcv_skb+0x130/0x360 [ 945.426772][ T3767] netlink_unicast+0x449/0x710 [ 945.426772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 945.426772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 945.426772][ T3767] ___sys_sendmsg+0xee/0x170 [ 945.426772][ T3767] __sys_sendmsg+0xcd/0x170 [ 945.426772][ T3767] do_syscall_64+0xc6/0x1e0 [ 945.426772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 945.426772][ T3767] [ 955.663901][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 955.664323][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 955.664323][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 955.664323][ T3767] ip6_validate_gw+0x3eb/0x790 [ 955.664323][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 955.664323][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 955.664323][ T3767] ip6_route_add+0x1c/0x140 [ 955.664323][ T3767] inet6_rtm_newroute+0x104/0x110 [ 955.664323][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.664323][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.664323][ T3767] netlink_unicast+0x449/0x710 [ 955.664323][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.664323][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.664323][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.664323][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.664323][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.664323][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.664323][ T3767] [ 955.666526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 955.666526][ T3767] netdev_get_by_index+0x5e/0x80 [ 955.666526][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 955.666526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 955.666526][ T3767] ip6_route_add+0x1c/0x140 [ 955.666526][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 955.666526][ T3767] inet6_addr_add+0x4f8/0xa40 [ 955.666526][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 955.666526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.666526][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.666526][ T3767] netlink_unicast+0x449/0x710 [ 955.666526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.666526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.666526][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.666526][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.666526][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.666526][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.666526][ T3767] [ 955.668827][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 955.668827][ T3767] netdev_get_by_index+0x5e/0x80 [ 955.668827][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 955.668827][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 955.668827][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 955.668827][ T3767] ipv6_add_addr+0x411/0x2000 [ 955.668827][ T3767] inet6_addr_add+0x30e/0xa40 [ 955.668827][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 955.668827][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.668827][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.668827][ T3767] netlink_unicast+0x449/0x710 [ 955.668827][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.668827][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.668827][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.668827][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.668827][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.668827][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.668827][ T3767] [ 955.671171][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 955.671171][ T3767] netdev_get_by_index+0x5e/0x80 [ 955.671171][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 955.671171][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 955.671171][ T3767] ip6_route_add+0x1c/0x140 [ 955.671171][ T3767] addrconf_add_mroute+0x129/0x180 [ 955.671171][ T3767] addrconf_add_dev+0xe2/0x170 [ 955.671171][ T3767] inet6_addr_add+0x12f/0xa40 [ 955.671171][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 955.671171][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.671171][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.671171][ T3767] netlink_unicast+0x449/0x710 [ 955.671171][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.671171][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.671171][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.671171][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.671171][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.671171][ T3767] [ 955.673331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 955.673331][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 955.673331][ T3767] ipv6_find_idev+0x102/0x170 [ 955.673331][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.673331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.673331][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.673331][ T3767] netlink_unicast+0x449/0x710 [ 955.673331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.673331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.673331][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.673331][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.673331][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.673331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.673331][ T3767] [ 955.675008][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 955.675008][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 955.675008][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 955.675008][ T3767] ipv6_find_idev+0x102/0x170 [ 955.675008][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 955.675008][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 955.675008][ T3767] netlink_rcv_skb+0x130/0x360 [ 955.675008][ T3767] netlink_unicast+0x449/0x710 [ 955.675008][ T3767] netlink_sendmsg+0x723/0xbe0 [ 955.675008][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 955.675008][ T3767] ___sys_sendmsg+0xee/0x170 [ 955.675008][ T3767] __sys_sendmsg+0xcd/0x170 [ 955.675008][ T3767] do_syscall_64+0xc6/0x1e0 [ 955.675008][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 955.675008][ T3767] [ 965.920051][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 965.920553][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 965.920553][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 965.920553][ T3767] ip6_validate_gw+0x3eb/0x790 [ 965.920553][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 965.920553][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 965.920553][ T3767] ip6_route_add+0x1c/0x140 [ 965.920553][ T3767] inet6_rtm_newroute+0x104/0x110 [ 965.920553][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.920553][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.920553][ T3767] netlink_unicast+0x449/0x710 [ 965.920553][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.920553][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.920553][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.920553][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.920553][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.920553][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.920553][ T3767] [ 965.922662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 965.922662][ T3767] netdev_get_by_index+0x5e/0x80 [ 965.922662][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 965.922662][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 965.922662][ T3767] ip6_route_add+0x1c/0x140 [ 965.922662][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 965.922662][ T3767] inet6_addr_add+0x4f8/0xa40 [ 965.922662][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 965.922662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.922662][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.922662][ T3767] netlink_unicast+0x449/0x710 [ 965.922662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.922662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.922662][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.922662][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.922662][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.922662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.922662][ T3767] [ 965.924893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 965.924893][ T3767] netdev_get_by_index+0x5e/0x80 [ 965.924893][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 965.924893][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 965.924893][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 965.924893][ T3767] ipv6_add_addr+0x411/0x2000 [ 965.924893][ T3767] inet6_addr_add+0x30e/0xa40 [ 965.924893][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 965.924893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.924893][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.924893][ T3767] netlink_unicast+0x449/0x710 [ 965.924893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.924893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.924893][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.924893][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.924893][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.924893][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.924893][ T3767] [ 965.927205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 965.927205][ T3767] netdev_get_by_index+0x5e/0x80 [ 965.927205][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 965.927205][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 965.927205][ T3767] ip6_route_add+0x1c/0x140 [ 965.927205][ T3767] addrconf_add_mroute+0x129/0x180 [ 965.927205][ T3767] addrconf_add_dev+0xe2/0x170 [ 965.927205][ T3767] inet6_addr_add+0x12f/0xa40 [ 965.927205][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 965.927205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.927205][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.927205][ T3767] netlink_unicast+0x449/0x710 [ 965.927205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.927205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.927205][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.927205][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.927205][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.927205][ T3767] [ 965.929384][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 965.929384][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 965.929384][ T3767] ipv6_find_idev+0x102/0x170 [ 965.929384][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.929384][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.929384][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.929384][ T3767] netlink_unicast+0x449/0x710 [ 965.929384][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.929384][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.929384][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.929384][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.929384][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.929384][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.929384][ T3767] [ 965.931071][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 965.931071][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 965.931071][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 965.931071][ T3767] ipv6_find_idev+0x102/0x170 [ 965.931071][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 965.931071][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 965.931071][ T3767] netlink_rcv_skb+0x130/0x360 [ 965.931071][ T3767] netlink_unicast+0x449/0x710 [ 965.931071][ T3767] netlink_sendmsg+0x723/0xbe0 [ 965.931071][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 965.931071][ T3767] ___sys_sendmsg+0xee/0x170 [ 965.931071][ T3767] __sys_sendmsg+0xcd/0x170 [ 965.931071][ T3767] do_syscall_64+0xc6/0x1e0 [ 965.931071][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 965.931071][ T3767] [ 976.176036][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 976.176447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 976.176447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 976.176447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 976.176447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 976.176447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 976.176447][ T3767] ip6_route_add+0x1c/0x140 [ 976.176447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 976.176447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.176447][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.176447][ T3767] netlink_unicast+0x449/0x710 [ 976.176447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.176447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.176447][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.176447][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.176447][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.176447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 976.176447][ T3767] [ 976.178542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 976.178542][ T3767] netdev_get_by_index+0x5e/0x80 [ 976.178542][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 976.178542][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 976.178542][ T3767] ip6_route_add+0x1c/0x140 [ 976.178542][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 976.178542][ T3767] inet6_addr_add+0x4f8/0xa40 [ 976.178542][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 976.178542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.178542][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.178542][ T3767] netlink_unicast+0x449/0x710 [ 976.178542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.178542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.178542][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.178542][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.178542][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.178542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 976.178542][ T3767] [ 976.180753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 976.180753][ T3767] netdev_get_by_index+0x5e/0x80 [ 976.180753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 976.180753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 976.180753][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 976.180753][ T3767] ipv6_add_addr+0x411/0x2000 [ 976.180753][ T3767] inet6_addr_add+0x30e/0xa40 [ 976.180753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 976.180753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.180753][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.180753][ T3767] netlink_unicast+0x449/0x710 [ 976.180753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.180753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.180753][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.180753][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.180753][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.180753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 976.180753][ T3767] [ 976.183014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 976.183014][ T3767] netdev_get_by_index+0x5e/0x80 [ 976.183014][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 976.183014][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 976.183014][ T3767] ip6_route_add+0x1c/0x140 [ 976.183014][ T3767] addrconf_add_mroute+0x129/0x180 [ 976.183014][ T3767] addrconf_add_dev+0xe2/0x170 [ 976.183014][ T3767] inet6_addr_add+0x12f/0xa40 [ 976.183014][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 976.183014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.183014][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.183014][ T3767] netlink_unicast+0x449/0x710 [ 976.183014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.183014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.183014][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.183014][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.183014][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.183014][ T3767] [ 976.185201][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 976.185201][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 976.185201][ T3767] ipv6_find_idev+0x102/0x170 [ 976.185201][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 976.185201][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.185201][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.185201][ T3767] netlink_unicast+0x449/0x710 [ 976.185201][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.185201][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.185201][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.185201][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.185201][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.185201][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 976.185201][ T3767] [ 976.186899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 976.186899][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 976.186899][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 976.186899][ T3767] ipv6_find_idev+0x102/0x170 [ 976.186899][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 976.186899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 976.186899][ T3767] netlink_rcv_skb+0x130/0x360 [ 976.186899][ T3767] netlink_unicast+0x449/0x710 [ 976.186899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 976.186899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 976.186899][ T3767] ___sys_sendmsg+0xee/0x170 [ 976.186899][ T3767] __sys_sendmsg+0xcd/0x170 [ 976.186899][ T3767] do_syscall_64+0xc6/0x1e0 [ 976.186899][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 976.186899][ T3767] [ 986.423931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 986.424364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 986.424364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 986.424364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 986.424364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 986.424364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 986.424364][ T3767] ip6_route_add+0x1c/0x140 [ 986.424364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 986.424364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.424364][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.424364][ T3767] netlink_unicast+0x449/0x710 [ 986.424364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.424364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.424364][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.424364][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.424364][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.424364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 986.424364][ T3767] [ 986.426473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 986.426473][ T3767] netdev_get_by_index+0x5e/0x80 [ 986.426473][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 986.426473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 986.426473][ T3767] ip6_route_add+0x1c/0x140 [ 986.426473][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 986.426473][ T3767] inet6_addr_add+0x4f8/0xa40 [ 986.426473][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 986.426473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.426473][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.426473][ T3767] netlink_unicast+0x449/0x710 [ 986.426473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.426473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.426473][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.426473][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.426473][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.426473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 986.426473][ T3767] [ 986.429058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 986.429058][ T3767] netdev_get_by_index+0x5e/0x80 [ 986.429058][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 986.429058][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 986.429058][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 986.429058][ T3767] ipv6_add_addr+0x411/0x2000 [ 986.429058][ T3767] inet6_addr_add+0x30e/0xa40 [ 986.429058][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 986.429058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.429058][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.429058][ T3767] netlink_unicast+0x449/0x710 [ 986.429058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.429058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.429058][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.429058][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.429058][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.429058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 986.429058][ T3767] [ 986.431243][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 986.431243][ T3767] netdev_get_by_index+0x5e/0x80 [ 986.431243][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 986.431243][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 986.431243][ T3767] ip6_route_add+0x1c/0x140 [ 986.431243][ T3767] addrconf_add_mroute+0x129/0x180 [ 986.431243][ T3767] addrconf_add_dev+0xe2/0x170 [ 986.431243][ T3767] inet6_addr_add+0x12f/0xa40 [ 986.431243][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 986.431243][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.431243][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.431243][ T3767] netlink_unicast+0x449/0x710 [ 986.431243][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.431243][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.431243][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.431243][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.431243][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.431243][ T3767] [ 986.433420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 986.433420][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 986.433420][ T3767] ipv6_find_idev+0x102/0x170 [ 986.433420][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 986.433420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.433420][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.433420][ T3767] netlink_unicast+0x449/0x710 [ 986.433420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.433420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.433420][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.433420][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.433420][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.433420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 986.433420][ T3767] [ 986.435123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 986.435123][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 986.435123][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 986.435123][ T3767] ipv6_find_idev+0x102/0x170 [ 986.435123][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 986.435123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 986.435123][ T3767] netlink_rcv_skb+0x130/0x360 [ 986.435123][ T3767] netlink_unicast+0x449/0x710 [ 986.435123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 986.435123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 986.435123][ T3767] ___sys_sendmsg+0xee/0x170 [ 986.435123][ T3767] __sys_sendmsg+0xcd/0x170 [ 986.435123][ T3767] do_syscall_64+0xc6/0x1e0 [ 986.435123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 986.435123][ T3767] [ 996.679977][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 996.680464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 996.680464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 996.680464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 996.680464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 996.680464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 996.680464][ T3767] ip6_route_add+0x1c/0x140 [ 996.680464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 996.680464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.680464][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.680464][ T3767] netlink_unicast+0x449/0x710 [ 996.680464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.680464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.680464][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.680464][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.680464][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.680464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.680464][ T3767] [ 996.682598][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 996.682598][ T3767] netdev_get_by_index+0x5e/0x80 [ 996.682598][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 996.682598][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 996.682598][ T3767] ip6_route_add+0x1c/0x140 [ 996.682598][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 996.682598][ T3767] inet6_addr_add+0x4f8/0xa40 [ 996.682598][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 996.682598][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.682598][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.682598][ T3767] netlink_unicast+0x449/0x710 [ 996.682598][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.682598][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.682598][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.682598][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.682598][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.682598][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.682598][ T3767] [ 996.684801][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 996.684801][ T3767] netdev_get_by_index+0x5e/0x80 [ 996.684801][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 996.684801][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 996.684801][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 996.684801][ T3767] ipv6_add_addr+0x411/0x2000 [ 996.684801][ T3767] inet6_addr_add+0x30e/0xa40 [ 996.684801][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 996.684801][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.684801][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.684801][ T3767] netlink_unicast+0x449/0x710 [ 996.684801][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.684801][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.684801][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.684801][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.684801][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.684801][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.684801][ T3767] [ 996.687007][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 996.687007][ T3767] netdev_get_by_index+0x5e/0x80 [ 996.687007][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 996.687007][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 996.687007][ T3767] ip6_route_add+0x1c/0x140 [ 996.687007][ T3767] addrconf_add_mroute+0x129/0x180 [ 996.687007][ T3767] addrconf_add_dev+0xe2/0x170 [ 996.687007][ T3767] inet6_addr_add+0x12f/0xa40 [ 996.687007][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 996.687007][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.687007][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.687007][ T3767] netlink_unicast+0x449/0x710 [ 996.687007][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.687007][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.687007][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.687007][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.687007][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.687007][ T3767] [ 996.689180][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 996.689180][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 996.689180][ T3767] ipv6_find_idev+0x102/0x170 [ 996.689180][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.689180][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.689180][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.689180][ T3767] netlink_unicast+0x449/0x710 [ 996.689180][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.689180][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.689180][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.689180][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.689180][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.689180][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.689180][ T3767] [ 996.690870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 996.690870][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 996.690870][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 996.690870][ T3767] ipv6_find_idev+0x102/0x170 [ 996.690870][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 996.690870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 996.690870][ T3767] netlink_rcv_skb+0x130/0x360 [ 996.690870][ T3767] netlink_unicast+0x449/0x710 [ 996.690870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 996.690870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 996.690870][ T3767] ___sys_sendmsg+0xee/0x170 [ 996.690870][ T3767] __sys_sendmsg+0xcd/0x170 [ 996.690870][ T3767] do_syscall_64+0xc6/0x1e0 [ 996.690870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 996.690870][ T3767] [ 1006.927894][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1006.928313][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1006.928313][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1006.928313][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1006.928313][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1006.928313][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1006.928313][ T3767] ip6_route_add+0x1c/0x140 [ 1006.928313][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1006.928313][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.928313][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.928313][ T3767] netlink_unicast+0x449/0x710 [ 1006.928313][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.928313][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.928313][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.928313][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.928313][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.928313][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.928313][ T3767] [ 1006.930459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1006.930459][ T3767] netdev_get_by_index+0x5e/0x80 [ 1006.930459][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1006.930459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1006.930459][ T3767] ip6_route_add+0x1c/0x140 [ 1006.930459][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1006.930459][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1006.930459][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.930459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.930459][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.930459][ T3767] netlink_unicast+0x449/0x710 [ 1006.930459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.930459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.930459][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.930459][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.930459][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.930459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.930459][ T3767] [ 1006.932906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1006.932906][ T3767] netdev_get_by_index+0x5e/0x80 [ 1006.932906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1006.932906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1006.932906][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1006.932906][ T3767] ipv6_add_addr+0x411/0x2000 [ 1006.932906][ T3767] inet6_addr_add+0x30e/0xa40 [ 1006.932906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.932906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.932906][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.932906][ T3767] netlink_unicast+0x449/0x710 [ 1006.932906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.932906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.932906][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.932906][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.932906][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.932906][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.932906][ T3767] [ 1006.935272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1006.935272][ T3767] netdev_get_by_index+0x5e/0x80 [ 1006.935272][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1006.935272][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1006.935272][ T3767] ip6_route_add+0x1c/0x140 [ 1006.935272][ T3767] addrconf_add_mroute+0x129/0x180 [ 1006.935272][ T3767] addrconf_add_dev+0xe2/0x170 [ 1006.935272][ T3767] inet6_addr_add+0x12f/0xa40 [ 1006.935272][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1006.935272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.935272][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.935272][ T3767] netlink_unicast+0x449/0x710 [ 1006.935272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.935272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.935272][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.935272][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.935272][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.935272][ T3767] [ 1006.937437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1006.937437][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1006.937437][ T3767] ipv6_find_idev+0x102/0x170 [ 1006.937437][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.937437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.937437][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.937437][ T3767] netlink_unicast+0x449/0x710 [ 1006.937437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.937437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.937437][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.937437][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.937437][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.937437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.937437][ T3767] [ 1006.939311][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1006.939311][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1006.939311][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1006.939311][ T3767] ipv6_find_idev+0x102/0x170 [ 1006.939311][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1006.939311][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1006.939311][ T3767] netlink_rcv_skb+0x130/0x360 [ 1006.939311][ T3767] netlink_unicast+0x449/0x710 [ 1006.939311][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1006.939311][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1006.939311][ T3767] ___sys_sendmsg+0xee/0x170 [ 1006.939311][ T3767] __sys_sendmsg+0xcd/0x170 [ 1006.939311][ T3767] do_syscall_64+0xc6/0x1e0 [ 1006.939311][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1006.939311][ T3767] [ 1017.183934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1017.184396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1017.184396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1017.184396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1017.184396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1017.184396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1017.184396][ T3767] ip6_route_add+0x1c/0x140 [ 1017.184396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1017.184396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.184396][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.184396][ T3767] netlink_unicast+0x449/0x710 [ 1017.184396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.184396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.184396][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.184396][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.184396][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.184396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1017.184396][ T3767] [ 1017.186669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1017.186669][ T3767] netdev_get_by_index+0x5e/0x80 [ 1017.186669][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1017.186669][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1017.186669][ T3767] ip6_route_add+0x1c/0x140 [ 1017.186669][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1017.186669][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1017.186669][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1017.186669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.186669][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.186669][ T3767] netlink_unicast+0x449/0x710 [ 1017.186669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.186669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.186669][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.186669][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.186669][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.186669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1017.186669][ T3767] [ 1017.189070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1017.189070][ T3767] netdev_get_by_index+0x5e/0x80 [ 1017.189070][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1017.189070][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1017.189070][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1017.189070][ T3767] ipv6_add_addr+0x411/0x2000 [ 1017.189070][ T3767] inet6_addr_add+0x30e/0xa40 [ 1017.189070][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1017.189070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.189070][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.189070][ T3767] netlink_unicast+0x449/0x710 [ 1017.189070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.189070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.189070][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.189070][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.189070][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.189070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1017.189070][ T3767] [ 1017.191488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1017.191488][ T3767] netdev_get_by_index+0x5e/0x80 [ 1017.191488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1017.191488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1017.191488][ T3767] ip6_route_add+0x1c/0x140 [ 1017.191488][ T3767] addrconf_add_mroute+0x129/0x180 [ 1017.191488][ T3767] addrconf_add_dev+0xe2/0x170 [ 1017.191488][ T3767] inet6_addr_add+0x12f/0xa40 [ 1017.191488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1017.191488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.191488][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.191488][ T3767] netlink_unicast+0x449/0x710 [ 1017.191488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.191488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.191488][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.191488][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.191488][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.191488][ T3767] [ 1017.193873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1017.193873][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1017.193873][ T3767] ipv6_find_idev+0x102/0x170 [ 1017.193873][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1017.193873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.193873][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.193873][ T3767] netlink_unicast+0x449/0x710 [ 1017.193873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.193873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.193873][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.193873][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.193873][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.193873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1017.193873][ T3767] [ 1017.195728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1017.195728][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1017.195728][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1017.195728][ T3767] ipv6_find_idev+0x102/0x170 [ 1017.195728][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1017.195728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1017.195728][ T3767] netlink_rcv_skb+0x130/0x360 [ 1017.195728][ T3767] netlink_unicast+0x449/0x710 [ 1017.195728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1017.195728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1017.195728][ T3767] ___sys_sendmsg+0xee/0x170 [ 1017.195728][ T3767] __sys_sendmsg+0xcd/0x170 [ 1017.195728][ T3767] do_syscall_64+0xc6/0x1e0 [ 1017.195728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1017.195728][ T3767] [ 1027.351953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1027.352431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1027.352431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1027.352431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1027.352431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1027.352431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1027.352431][ T3767] ip6_route_add+0x1c/0x140 [ 1027.352431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1027.352431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.352431][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.352431][ T3767] netlink_unicast+0x449/0x710 [ 1027.352431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.352431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.352431][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.352431][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.352431][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.352431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.352431][ T3767] [ 1027.354510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1027.354510][ T3767] netdev_get_by_index+0x5e/0x80 [ 1027.354510][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1027.354510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1027.354510][ T3767] ip6_route_add+0x1c/0x140 [ 1027.354510][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1027.354510][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1027.354510][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.354510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.354510][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.354510][ T3767] netlink_unicast+0x449/0x710 [ 1027.354510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.354510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.354510][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.354510][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.354510][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.354510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.354510][ T3767] [ 1027.356701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1027.356701][ T3767] netdev_get_by_index+0x5e/0x80 [ 1027.356701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1027.356701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1027.356701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1027.356701][ T3767] ipv6_add_addr+0x411/0x2000 [ 1027.356701][ T3767] inet6_addr_add+0x30e/0xa40 [ 1027.356701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.356701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.356701][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.356701][ T3767] netlink_unicast+0x449/0x710 [ 1027.356701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.356701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.356701][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.356701][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.356701][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.356701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.356701][ T3767] [ 1027.358883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1027.358883][ T3767] netdev_get_by_index+0x5e/0x80 [ 1027.358883][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1027.358883][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1027.358883][ T3767] ip6_route_add+0x1c/0x140 [ 1027.358883][ T3767] addrconf_add_mroute+0x129/0x180 [ 1027.358883][ T3767] addrconf_add_dev+0xe2/0x170 [ 1027.358883][ T3767] inet6_addr_add+0x12f/0xa40 [ 1027.358883][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1027.358883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.358883][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.358883][ T3767] netlink_unicast+0x449/0x710 [ 1027.358883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.358883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.358883][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.358883][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.358883][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.358883][ T3767] [ 1027.361034][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1027.361034][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1027.361034][ T3767] ipv6_find_idev+0x102/0x170 [ 1027.361034][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.361034][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.361034][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.361034][ T3767] netlink_unicast+0x449/0x710 [ 1027.361034][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.361034][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.361034][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.361034][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.361034][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.361034][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.361034][ T3767] [ 1027.362729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1027.362729][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1027.362729][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1027.362729][ T3767] ipv6_find_idev+0x102/0x170 [ 1027.362729][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1027.362729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1027.362729][ T3767] netlink_rcv_skb+0x130/0x360 [ 1027.362729][ T3767] netlink_unicast+0x449/0x710 [ 1027.362729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1027.362729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1027.362729][ T3767] ___sys_sendmsg+0xee/0x170 [ 1027.362729][ T3767] __sys_sendmsg+0xcd/0x170 [ 1027.362729][ T3767] do_syscall_64+0xc6/0x1e0 [ 1027.362729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1027.362729][ T3767] [ 1037.615969][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1037.616468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1037.616468][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1037.616468][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1037.616468][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1037.616468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1037.616468][ T3767] ip6_route_add+0x1c/0x140 [ 1037.616468][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1037.616468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.616468][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.616468][ T3767] netlink_unicast+0x449/0x710 [ 1037.616468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.616468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.616468][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.616468][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.616468][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.616468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.616468][ T3767] [ 1037.618549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1037.618549][ T3767] netdev_get_by_index+0x5e/0x80 [ 1037.618549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1037.618549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1037.618549][ T3767] ip6_route_add+0x1c/0x140 [ 1037.618549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1037.618549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1037.618549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.618549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.618549][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.618549][ T3767] netlink_unicast+0x449/0x710 [ 1037.618549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.618549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.618549][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.618549][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.618549][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.618549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.618549][ T3767] [ 1037.620747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1037.620747][ T3767] netdev_get_by_index+0x5e/0x80 [ 1037.620747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1037.620747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1037.620747][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1037.620747][ T3767] ipv6_add_addr+0x411/0x2000 [ 1037.620747][ T3767] inet6_addr_add+0x30e/0xa40 [ 1037.620747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.620747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.620747][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.620747][ T3767] netlink_unicast+0x449/0x710 [ 1037.620747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.620747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.620747][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.620747][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.620747][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.620747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.620747][ T3767] [ 1037.623030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1037.623030][ T3767] netdev_get_by_index+0x5e/0x80 [ 1037.623030][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1037.623030][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1037.623030][ T3767] ip6_route_add+0x1c/0x140 [ 1037.623030][ T3767] addrconf_add_mroute+0x129/0x180 [ 1037.623030][ T3767] addrconf_add_dev+0xe2/0x170 [ 1037.623030][ T3767] inet6_addr_add+0x12f/0xa40 [ 1037.623030][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1037.623030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.623030][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.623030][ T3767] netlink_unicast+0x449/0x710 [ 1037.623030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.623030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.623030][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.623030][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.623030][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.623030][ T3767] [ 1037.625383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1037.625383][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1037.625383][ T3767] ipv6_find_idev+0x102/0x170 [ 1037.625383][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.625383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.625383][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.625383][ T3767] netlink_unicast+0x449/0x710 [ 1037.625383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.625383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.625383][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.625383][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.625383][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.625383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.625383][ T3767] [ 1037.627226][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1037.627226][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1037.627226][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1037.627226][ T3767] ipv6_find_idev+0x102/0x170 [ 1037.627226][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1037.627226][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1037.627226][ T3767] netlink_rcv_skb+0x130/0x360 [ 1037.627226][ T3767] netlink_unicast+0x449/0x710 [ 1037.627226][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1037.627226][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1037.627226][ T3767] ___sys_sendmsg+0xee/0x170 [ 1037.627226][ T3767] __sys_sendmsg+0xcd/0x170 [ 1037.627226][ T3767] do_syscall_64+0xc6/0x1e0 [ 1037.627226][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1037.627226][ T3767] [ 1047.871887][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1047.872391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1047.872391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1047.872391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1047.872391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1047.872391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1047.872391][ T3767] ip6_route_add+0x1c/0x140 [ 1047.872391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1047.872391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.872391][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.872391][ T3767] netlink_unicast+0x449/0x710 [ 1047.872391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.872391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.872391][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.872391][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.872391][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.872391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.872391][ T3767] [ 1047.874585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1047.874585][ T3767] netdev_get_by_index+0x5e/0x80 [ 1047.874585][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1047.874585][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1047.874585][ T3767] ip6_route_add+0x1c/0x140 [ 1047.874585][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1047.874585][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1047.874585][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.874585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.874585][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.874585][ T3767] netlink_unicast+0x449/0x710 [ 1047.874585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.874585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.874585][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.874585][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.874585][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.874585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.874585][ T3767] [ 1047.876798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1047.876798][ T3767] netdev_get_by_index+0x5e/0x80 [ 1047.876798][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1047.876798][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1047.876798][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1047.876798][ T3767] ipv6_add_addr+0x411/0x2000 [ 1047.876798][ T3767] inet6_addr_add+0x30e/0xa40 [ 1047.876798][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.876798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.876798][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.876798][ T3767] netlink_unicast+0x449/0x710 [ 1047.876798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.876798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.876798][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.876798][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.876798][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.876798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.876798][ T3767] [ 1047.878978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1047.878978][ T3767] netdev_get_by_index+0x5e/0x80 [ 1047.878978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1047.878978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1047.878978][ T3767] ip6_route_add+0x1c/0x140 [ 1047.878978][ T3767] addrconf_add_mroute+0x129/0x180 [ 1047.878978][ T3767] addrconf_add_dev+0xe2/0x170 [ 1047.878978][ T3767] inet6_addr_add+0x12f/0xa40 [ 1047.878978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1047.878978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.878978][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.878978][ T3767] netlink_unicast+0x449/0x710 [ 1047.878978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.878978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.878978][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.878978][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.878978][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.878978][ T3767] [ 1047.881120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1047.881120][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1047.881120][ T3767] ipv6_find_idev+0x102/0x170 [ 1047.881120][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.881120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.881120][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.881120][ T3767] netlink_unicast+0x449/0x710 [ 1047.881120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.881120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.881120][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.881120][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.881120][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.881120][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.881120][ T3767] [ 1047.882818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1047.882818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1047.882818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1047.882818][ T3767] ipv6_find_idev+0x102/0x170 [ 1047.882818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1047.882818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1047.882818][ T3767] netlink_rcv_skb+0x130/0x360 [ 1047.882818][ T3767] netlink_unicast+0x449/0x710 [ 1047.882818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1047.882818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1047.882818][ T3767] ___sys_sendmsg+0xee/0x170 [ 1047.882818][ T3767] __sys_sendmsg+0xcd/0x170 [ 1047.882818][ T3767] do_syscall_64+0xc6/0x1e0 [ 1047.882818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1047.882818][ T3767] [ 1058.127908][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1058.128566][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1058.128566][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1058.128566][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1058.128566][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1058.128566][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1058.128566][ T3767] ip6_route_add+0x1c/0x140 [ 1058.128566][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1058.128566][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.128566][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.128566][ T3767] netlink_unicast+0x449/0x710 [ 1058.128566][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.128566][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.128566][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.128566][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.128566][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.128566][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1058.128566][ T3767] [ 1058.132252][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1058.132252][ T3767] netdev_get_by_index+0x5e/0x80 [ 1058.132252][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1058.132252][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1058.132252][ T3767] ip6_route_add+0x1c/0x140 [ 1058.132252][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1058.132252][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1058.132252][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1058.132252][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.132252][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.132252][ T3767] netlink_unicast+0x449/0x710 [ 1058.132252][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.132252][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.132252][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.132252][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.132252][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.132252][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1058.132252][ T3767] [ 1058.135859][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1058.135859][ T3767] netdev_get_by_index+0x5e/0x80 [ 1058.135859][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1058.135859][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1058.135859][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1058.135859][ T3767] ipv6_add_addr+0x411/0x2000 [ 1058.135859][ T3767] inet6_addr_add+0x30e/0xa40 [ 1058.135859][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1058.135859][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.135859][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.135859][ T3767] netlink_unicast+0x449/0x710 [ 1058.135859][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.135859][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.135859][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.135859][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.135859][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.135859][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1058.135859][ T3767] [ 1058.139464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1058.139464][ T3767] netdev_get_by_index+0x5e/0x80 [ 1058.139464][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1058.139464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1058.139464][ T3767] ip6_route_add+0x1c/0x140 [ 1058.139464][ T3767] addrconf_add_mroute+0x129/0x180 [ 1058.139464][ T3767] addrconf_add_dev+0xe2/0x170 [ 1058.139464][ T3767] inet6_addr_add+0x12f/0xa40 [ 1058.139464][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1058.139464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.139464][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.139464][ T3767] netlink_unicast+0x449/0x710 [ 1058.139464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.139464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.139464][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.139464][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.139464][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.139464][ T3767] [ 1058.143025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1058.143025][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1058.143025][ T3767] ipv6_find_idev+0x102/0x170 [ 1058.143025][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1058.143025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.143025][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.143025][ T3767] netlink_unicast+0x449/0x710 [ 1058.143025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.143025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.143025][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.143025][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.143025][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.143025][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1058.143025][ T3767] [ 1058.145820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1058.145820][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1058.145820][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1058.145820][ T3767] ipv6_find_idev+0x102/0x170 [ 1058.145820][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1058.145820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1058.145820][ T3767] netlink_rcv_skb+0x130/0x360 [ 1058.145820][ T3767] netlink_unicast+0x449/0x710 [ 1058.145820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1058.145820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1058.145820][ T3767] ___sys_sendmsg+0xee/0x170 [ 1058.145820][ T3767] __sys_sendmsg+0xcd/0x170 [ 1058.145820][ T3767] do_syscall_64+0xc6/0x1e0 [ 1058.145820][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1058.145820][ T3767] [ 1068.391906][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1068.392310][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1068.392310][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1068.392310][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1068.392310][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1068.392310][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1068.392310][ T3767] ip6_route_add+0x1c/0x140 [ 1068.392310][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1068.392310][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.392310][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.392310][ T3767] netlink_unicast+0x449/0x710 [ 1068.392310][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.392310][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.392310][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.392310][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.392310][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.392310][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.392310][ T3767] [ 1068.394403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1068.394403][ T3767] netdev_get_by_index+0x5e/0x80 [ 1068.394403][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1068.394403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1068.394403][ T3767] ip6_route_add+0x1c/0x140 [ 1068.394403][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1068.394403][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1068.394403][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.394403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.394403][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.394403][ T3767] netlink_unicast+0x449/0x710 [ 1068.394403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.394403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.394403][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.394403][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.394403][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.394403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.394403][ T3767] [ 1068.396590][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1068.396590][ T3767] netdev_get_by_index+0x5e/0x80 [ 1068.396590][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1068.396590][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1068.396590][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1068.396590][ T3767] ipv6_add_addr+0x411/0x2000 [ 1068.396590][ T3767] inet6_addr_add+0x30e/0xa40 [ 1068.396590][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.396590][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.396590][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.396590][ T3767] netlink_unicast+0x449/0x710 [ 1068.396590][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.396590][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.396590][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.396590][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.396590][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.396590][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.396590][ T3767] [ 1068.398787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1068.398787][ T3767] netdev_get_by_index+0x5e/0x80 [ 1068.398787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1068.398787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1068.398787][ T3767] ip6_route_add+0x1c/0x140 [ 1068.398787][ T3767] addrconf_add_mroute+0x129/0x180 [ 1068.398787][ T3767] addrconf_add_dev+0xe2/0x170 [ 1068.398787][ T3767] inet6_addr_add+0x12f/0xa40 [ 1068.398787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1068.398787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.398787][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.398787][ T3767] netlink_unicast+0x449/0x710 [ 1068.398787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.398787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.398787][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.398787][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.398787][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.398787][ T3767] [ 1068.400935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1068.400935][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1068.400935][ T3767] ipv6_find_idev+0x102/0x170 [ 1068.400935][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.400935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.400935][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.400935][ T3767] netlink_unicast+0x449/0x710 [ 1068.400935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.400935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.400935][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.400935][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.400935][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.400935][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.400935][ T3767] [ 1068.402651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1068.402651][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1068.402651][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1068.402651][ T3767] ipv6_find_idev+0x102/0x170 [ 1068.402651][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1068.402651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1068.402651][ T3767] netlink_rcv_skb+0x130/0x360 [ 1068.402651][ T3767] netlink_unicast+0x449/0x710 [ 1068.402651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1068.402651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1068.402651][ T3767] ___sys_sendmsg+0xee/0x170 [ 1068.402651][ T3767] __sys_sendmsg+0xcd/0x170 [ 1068.402651][ T3767] do_syscall_64+0xc6/0x1e0 [ 1068.402651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1068.402651][ T3767] [ 1078.640001][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1078.640407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1078.640407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1078.640407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1078.640407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1078.640407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1078.640407][ T3767] ip6_route_add+0x1c/0x140 [ 1078.640407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1078.640407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.640407][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.640407][ T3767] netlink_unicast+0x449/0x710 [ 1078.640407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.640407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.640407][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.640407][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.640407][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.640407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.640407][ T3767] [ 1078.642558][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1078.642558][ T3767] netdev_get_by_index+0x5e/0x80 [ 1078.642558][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1078.642558][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1078.642558][ T3767] ip6_route_add+0x1c/0x140 [ 1078.642558][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1078.642558][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1078.642558][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.642558][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.642558][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.642558][ T3767] netlink_unicast+0x449/0x710 [ 1078.642558][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.642558][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.642558][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.642558][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.642558][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.642558][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.642558][ T3767] [ 1078.644742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1078.644742][ T3767] netdev_get_by_index+0x5e/0x80 [ 1078.644742][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1078.644742][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1078.644742][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1078.644742][ T3767] ipv6_add_addr+0x411/0x2000 [ 1078.644742][ T3767] inet6_addr_add+0x30e/0xa40 [ 1078.644742][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.644742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.644742][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.644742][ T3767] netlink_unicast+0x449/0x710 [ 1078.644742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.644742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.644742][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.644742][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.644742][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.644742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.644742][ T3767] [ 1078.646928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1078.646928][ T3767] netdev_get_by_index+0x5e/0x80 [ 1078.646928][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1078.646928][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1078.646928][ T3767] ip6_route_add+0x1c/0x140 [ 1078.646928][ T3767] addrconf_add_mroute+0x129/0x180 [ 1078.646928][ T3767] addrconf_add_dev+0xe2/0x170 [ 1078.646928][ T3767] inet6_addr_add+0x12f/0xa40 [ 1078.646928][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1078.646928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.646928][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.646928][ T3767] netlink_unicast+0x449/0x710 [ 1078.646928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.646928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.646928][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.646928][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.646928][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.646928][ T3767] [ 1078.649073][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1078.649073][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1078.649073][ T3767] ipv6_find_idev+0x102/0x170 [ 1078.649073][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.649073][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.649073][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.649073][ T3767] netlink_unicast+0x449/0x710 [ 1078.649073][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.649073][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.649073][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.649073][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.649073][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.649073][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.649073][ T3767] [ 1078.650756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1078.650756][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1078.650756][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1078.650756][ T3767] ipv6_find_idev+0x102/0x170 [ 1078.650756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1078.650756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1078.650756][ T3767] netlink_rcv_skb+0x130/0x360 [ 1078.650756][ T3767] netlink_unicast+0x449/0x710 [ 1078.650756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1078.650756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1078.650756][ T3767] ___sys_sendmsg+0xee/0x170 [ 1078.650756][ T3767] __sys_sendmsg+0xcd/0x170 [ 1078.650756][ T3767] do_syscall_64+0xc6/0x1e0 [ 1078.650756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1078.650756][ T3767] [ 1088.687929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1088.688511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1088.688511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1088.688511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1088.688511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1088.688511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1088.688511][ T3767] ip6_route_add+0x1c/0x140 [ 1088.688511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1088.688511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.688511][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.688511][ T3767] netlink_unicast+0x449/0x710 [ 1088.688511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.688511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.688511][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.688511][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.688511][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.688511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.688511][ T3767] [ 1088.691094][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1088.691094][ T3767] netdev_get_by_index+0x5e/0x80 [ 1088.691094][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1088.691094][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1088.691094][ T3767] ip6_route_add+0x1c/0x140 [ 1088.691094][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1088.691094][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1088.691094][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.691094][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.691094][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.691094][ T3767] netlink_unicast+0x449/0x710 [ 1088.691094][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.691094][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.691094][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.691094][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.691094][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.691094][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.691094][ T3767] [ 1088.693732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1088.693732][ T3767] netdev_get_by_index+0x5e/0x80 [ 1088.693732][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1088.693732][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1088.693732][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1088.693732][ T3767] ipv6_add_addr+0x411/0x2000 [ 1088.693732][ T3767] inet6_addr_add+0x30e/0xa40 [ 1088.693732][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.693732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.693732][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.693732][ T3767] netlink_unicast+0x449/0x710 [ 1088.693732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.693732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.693732][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.693732][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.693732][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.693732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.693732][ T3767] [ 1088.696410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1088.696410][ T3767] netdev_get_by_index+0x5e/0x80 [ 1088.696410][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1088.696410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1088.696410][ T3767] ip6_route_add+0x1c/0x140 [ 1088.696410][ T3767] addrconf_add_mroute+0x129/0x180 [ 1088.696410][ T3767] addrconf_add_dev+0xe2/0x170 [ 1088.696410][ T3767] inet6_addr_add+0x12f/0xa40 [ 1088.696410][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1088.696410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.696410][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.696410][ T3767] netlink_unicast+0x449/0x710 [ 1088.696410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.696410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.696410][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.696410][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.696410][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.696410][ T3767] [ 1088.699023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1088.699023][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1088.699023][ T3767] ipv6_find_idev+0x102/0x170 [ 1088.699023][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.699023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.699023][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.699023][ T3767] netlink_unicast+0x449/0x710 [ 1088.699023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.699023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.699023][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.699023][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.699023][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.699023][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.699023][ T3767] [ 1088.701545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1088.701545][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1088.701545][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1088.701545][ T3767] ipv6_find_idev+0x102/0x170 [ 1088.701545][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1088.701545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1088.701545][ T3767] netlink_rcv_skb+0x130/0x360 [ 1088.701545][ T3767] netlink_unicast+0x449/0x710 [ 1088.701545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1088.701545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1088.701545][ T3767] ___sys_sendmsg+0xee/0x170 [ 1088.701545][ T3767] __sys_sendmsg+0xcd/0x170 [ 1088.701545][ T3767] do_syscall_64+0xc6/0x1e0 [ 1088.701545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1088.701545][ T3767] [ 1098.951948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1098.952570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1098.952570][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1098.952570][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1098.952570][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1098.952570][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1098.952570][ T3767] ip6_route_add+0x1c/0x140 [ 1098.952570][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1098.952570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.952570][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.952570][ T3767] netlink_unicast+0x449/0x710 [ 1098.952570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.952570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.952570][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.952570][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.952570][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.952570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1098.952570][ T3767] [ 1098.954645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1098.954645][ T3767] netdev_get_by_index+0x5e/0x80 [ 1098.954645][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1098.954645][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1098.954645][ T3767] ip6_route_add+0x1c/0x140 [ 1098.954645][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1098.954645][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1098.954645][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1098.954645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.954645][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.954645][ T3767] netlink_unicast+0x449/0x710 [ 1098.954645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.954645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.954645][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.954645][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.954645][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.954645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1098.954645][ T3767] [ 1098.956838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1098.956838][ T3767] netdev_get_by_index+0x5e/0x80 [ 1098.956838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1098.956838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1098.956838][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1098.956838][ T3767] ipv6_add_addr+0x411/0x2000 [ 1098.956838][ T3767] inet6_addr_add+0x30e/0xa40 [ 1098.956838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1098.956838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.956838][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.956838][ T3767] netlink_unicast+0x449/0x710 [ 1098.956838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.956838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.956838][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.956838][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.956838][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.956838][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1098.956838][ T3767] [ 1098.959023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1098.959023][ T3767] netdev_get_by_index+0x5e/0x80 [ 1098.959023][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1098.959023][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1098.959023][ T3767] ip6_route_add+0x1c/0x140 [ 1098.959023][ T3767] addrconf_add_mroute+0x129/0x180 [ 1098.959023][ T3767] addrconf_add_dev+0xe2/0x170 [ 1098.959023][ T3767] inet6_addr_add+0x12f/0xa40 [ 1098.959023][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1098.959023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.959023][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.959023][ T3767] netlink_unicast+0x449/0x710 [ 1098.959023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.959023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.959023][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.959023][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.959023][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.959023][ T3767] [ 1098.961239][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1098.961239][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1098.961239][ T3767] ipv6_find_idev+0x102/0x170 [ 1098.961239][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1098.961239][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.961239][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.961239][ T3767] netlink_unicast+0x449/0x710 [ 1098.961239][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.961239][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.961239][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.961239][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.961239][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.961239][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1098.961239][ T3767] [ 1098.962925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1098.962925][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1098.962925][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1098.962925][ T3767] ipv6_find_idev+0x102/0x170 [ 1098.962925][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1098.962925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1098.962925][ T3767] netlink_rcv_skb+0x130/0x360 [ 1098.962925][ T3767] netlink_unicast+0x449/0x710 [ 1098.962925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1098.962925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1098.962925][ T3767] ___sys_sendmsg+0xee/0x170 [ 1098.962925][ T3767] __sys_sendmsg+0xcd/0x170 [ 1098.962925][ T3767] do_syscall_64+0xc6/0x1e0 [ 1098.962925][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1098.962925][ T3767] [ 1109.215886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1109.216311][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1109.216311][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1109.216311][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1109.216311][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1109.216311][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1109.216311][ T3767] ip6_route_add+0x1c/0x140 [ 1109.216311][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1109.216311][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.216311][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.216311][ T3767] netlink_unicast+0x449/0x710 [ 1109.216311][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.216311][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.216311][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.216311][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.216311][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.216311][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.216311][ T3767] [ 1109.218418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1109.218418][ T3767] netdev_get_by_index+0x5e/0x80 [ 1109.218418][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1109.218418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1109.218418][ T3767] ip6_route_add+0x1c/0x140 [ 1109.218418][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1109.218418][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1109.218418][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.218418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.218418][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.218418][ T3767] netlink_unicast+0x449/0x710 [ 1109.218418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.218418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.218418][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.218418][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.218418][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.218418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.218418][ T3767] [ 1109.220634][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1109.220634][ T3767] netdev_get_by_index+0x5e/0x80 [ 1109.220634][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1109.220634][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1109.220634][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1109.220634][ T3767] ipv6_add_addr+0x411/0x2000 [ 1109.220634][ T3767] inet6_addr_add+0x30e/0xa40 [ 1109.220634][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.220634][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.220634][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.220634][ T3767] netlink_unicast+0x449/0x710 [ 1109.220634][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.220634][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.220634][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.220634][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.220634][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.220634][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.220634][ T3767] [ 1109.222869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1109.222869][ T3767] netdev_get_by_index+0x5e/0x80 [ 1109.222869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1109.222869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1109.222869][ T3767] ip6_route_add+0x1c/0x140 [ 1109.222869][ T3767] addrconf_add_mroute+0x129/0x180 [ 1109.222869][ T3767] addrconf_add_dev+0xe2/0x170 [ 1109.222869][ T3767] inet6_addr_add+0x12f/0xa40 [ 1109.222869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1109.222869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.222869][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.222869][ T3767] netlink_unicast+0x449/0x710 [ 1109.222869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.222869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.222869][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.222869][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.222869][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.222869][ T3767] [ 1109.225052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1109.225052][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1109.225052][ T3767] ipv6_find_idev+0x102/0x170 [ 1109.225052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.225052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.225052][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.225052][ T3767] netlink_unicast+0x449/0x710 [ 1109.225052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.225052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.225052][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.225052][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.225052][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.225052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.225052][ T3767] [ 1109.226754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1109.226754][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1109.226754][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1109.226754][ T3767] ipv6_find_idev+0x102/0x170 [ 1109.226754][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1109.226754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1109.226754][ T3767] netlink_rcv_skb+0x130/0x360 [ 1109.226754][ T3767] netlink_unicast+0x449/0x710 [ 1109.226754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1109.226754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1109.226754][ T3767] ___sys_sendmsg+0xee/0x170 [ 1109.226754][ T3767] __sys_sendmsg+0xcd/0x170 [ 1109.226754][ T3767] do_syscall_64+0xc6/0x1e0 [ 1109.226754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1109.226754][ T3767] [ 1119.479896][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1119.480382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1119.480382][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1119.480382][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1119.480382][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1119.480382][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1119.480382][ T3767] ip6_route_add+0x1c/0x140 [ 1119.480382][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1119.480382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.480382][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.480382][ T3767] netlink_unicast+0x449/0x710 [ 1119.480382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.480382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.480382][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.480382][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.480382][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.480382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.480382][ T3767] [ 1119.482499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1119.482499][ T3767] netdev_get_by_index+0x5e/0x80 [ 1119.482499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1119.482499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1119.482499][ T3767] ip6_route_add+0x1c/0x140 [ 1119.482499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1119.482499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1119.482499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.482499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.482499][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.482499][ T3767] netlink_unicast+0x449/0x710 [ 1119.482499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.482499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.482499][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.482499][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.482499][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.482499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.482499][ T3767] [ 1119.484788][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1119.484788][ T3767] netdev_get_by_index+0x5e/0x80 [ 1119.484788][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1119.484788][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1119.484788][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1119.484788][ T3767] ipv6_add_addr+0x411/0x2000 [ 1119.484788][ T3767] inet6_addr_add+0x30e/0xa40 [ 1119.484788][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.484788][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.484788][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.484788][ T3767] netlink_unicast+0x449/0x710 [ 1119.484788][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.484788][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.484788][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.484788][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.484788][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.484788][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.484788][ T3767] [ 1119.487003][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1119.487003][ T3767] netdev_get_by_index+0x5e/0x80 [ 1119.487003][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1119.487003][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1119.487003][ T3767] ip6_route_add+0x1c/0x140 [ 1119.487003][ T3767] addrconf_add_mroute+0x129/0x180 [ 1119.487003][ T3767] addrconf_add_dev+0xe2/0x170 [ 1119.487003][ T3767] inet6_addr_add+0x12f/0xa40 [ 1119.487003][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1119.487003][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.487003][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.487003][ T3767] netlink_unicast+0x449/0x710 [ 1119.487003][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.487003][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.487003][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.487003][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.487003][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.487003][ T3767] [ 1119.489176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1119.489176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1119.489176][ T3767] ipv6_find_idev+0x102/0x170 [ 1119.489176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.489176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.489176][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.489176][ T3767] netlink_unicast+0x449/0x710 [ 1119.489176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.489176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.489176][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.489176][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.489176][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.489176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.489176][ T3767] [ 1119.490872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1119.490872][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1119.490872][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1119.490872][ T3767] ipv6_find_idev+0x102/0x170 [ 1119.490872][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1119.490872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1119.490872][ T3767] netlink_rcv_skb+0x130/0x360 [ 1119.490872][ T3767] netlink_unicast+0x449/0x710 [ 1119.490872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1119.490872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1119.490872][ T3767] ___sys_sendmsg+0xee/0x170 [ 1119.490872][ T3767] __sys_sendmsg+0xcd/0x170 [ 1119.490872][ T3767] do_syscall_64+0xc6/0x1e0 [ 1119.490872][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1119.490872][ T3767] [ 1129.743947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1129.744387][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1129.744387][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1129.744387][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1129.744387][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1129.744387][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1129.744387][ T3767] ip6_route_add+0x1c/0x140 [ 1129.744387][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1129.744387][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.744387][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.744387][ T3767] netlink_unicast+0x449/0x710 [ 1129.744387][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.744387][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.744387][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.744387][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.744387][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.744387][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1129.744387][ T3767] [ 1129.746460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1129.746460][ T3767] netdev_get_by_index+0x5e/0x80 [ 1129.746460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1129.746460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1129.746460][ T3767] ip6_route_add+0x1c/0x140 [ 1129.746460][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1129.746460][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1129.746460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1129.746460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.746460][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.746460][ T3767] netlink_unicast+0x449/0x710 [ 1129.746460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.746460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.746460][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.746460][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.746460][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.746460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1129.746460][ T3767] [ 1129.748644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1129.748644][ T3767] netdev_get_by_index+0x5e/0x80 [ 1129.748644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1129.748644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1129.748644][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1129.748644][ T3767] ipv6_add_addr+0x411/0x2000 [ 1129.748644][ T3767] inet6_addr_add+0x30e/0xa40 [ 1129.748644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1129.748644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.748644][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.748644][ T3767] netlink_unicast+0x449/0x710 [ 1129.748644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.748644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.748644][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.748644][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.748644][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.748644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1129.748644][ T3767] [ 1129.750827][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1129.750827][ T3767] netdev_get_by_index+0x5e/0x80 [ 1129.750827][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1129.750827][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1129.750827][ T3767] ip6_route_add+0x1c/0x140 [ 1129.750827][ T3767] addrconf_add_mroute+0x129/0x180 [ 1129.750827][ T3767] addrconf_add_dev+0xe2/0x170 [ 1129.750827][ T3767] inet6_addr_add+0x12f/0xa40 [ 1129.750827][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1129.750827][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.750827][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.750827][ T3767] netlink_unicast+0x449/0x710 [ 1129.750827][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.750827][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.750827][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.750827][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.750827][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.750827][ T3767] [ 1129.752985][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1129.752985][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1129.752985][ T3767] ipv6_find_idev+0x102/0x170 [ 1129.752985][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1129.752985][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.752985][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.752985][ T3767] netlink_unicast+0x449/0x710 [ 1129.752985][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.752985][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.752985][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.752985][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.752985][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.752985][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1129.752985][ T3767] [ 1129.754666][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1129.754666][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1129.754666][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1129.754666][ T3767] ipv6_find_idev+0x102/0x170 [ 1129.754666][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1129.754666][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1129.754666][ T3767] netlink_rcv_skb+0x130/0x360 [ 1129.754666][ T3767] netlink_unicast+0x449/0x710 [ 1129.754666][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1129.754666][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1129.754666][ T3767] ___sys_sendmsg+0xee/0x170 [ 1129.754666][ T3767] __sys_sendmsg+0xcd/0x170 [ 1129.754666][ T3767] do_syscall_64+0xc6/0x1e0 [ 1129.754666][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1129.754666][ T3767] [ 1140.007866][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1140.008349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1140.008349][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1140.008349][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1140.008349][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1140.008349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1140.008349][ T3767] ip6_route_add+0x1c/0x140 [ 1140.008349][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1140.008349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.008349][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.008349][ T3767] netlink_unicast+0x449/0x710 [ 1140.008349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.008349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.008349][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.008349][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.008349][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.008349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.008349][ T3767] [ 1140.010443][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1140.010443][ T3767] netdev_get_by_index+0x5e/0x80 [ 1140.010443][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1140.010443][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1140.010443][ T3767] ip6_route_add+0x1c/0x140 [ 1140.010443][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1140.010443][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1140.010443][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.010443][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.010443][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.010443][ T3767] netlink_unicast+0x449/0x710 [ 1140.010443][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.010443][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.010443][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.010443][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.010443][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.010443][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.010443][ T3767] [ 1140.012665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1140.012665][ T3767] netdev_get_by_index+0x5e/0x80 [ 1140.012665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1140.012665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1140.012665][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1140.012665][ T3767] ipv6_add_addr+0x411/0x2000 [ 1140.012665][ T3767] inet6_addr_add+0x30e/0xa40 [ 1140.012665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.012665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.012665][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.012665][ T3767] netlink_unicast+0x449/0x710 [ 1140.012665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.012665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.012665][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.012665][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.012665][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.012665][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.012665][ T3767] [ 1140.014861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1140.014861][ T3767] netdev_get_by_index+0x5e/0x80 [ 1140.014861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1140.014861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1140.014861][ T3767] ip6_route_add+0x1c/0x140 [ 1140.014861][ T3767] addrconf_add_mroute+0x129/0x180 [ 1140.014861][ T3767] addrconf_add_dev+0xe2/0x170 [ 1140.014861][ T3767] inet6_addr_add+0x12f/0xa40 [ 1140.014861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1140.014861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.014861][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.014861][ T3767] netlink_unicast+0x449/0x710 [ 1140.014861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.014861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.014861][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.014861][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.014861][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.014861][ T3767] [ 1140.017020][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1140.017020][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1140.017020][ T3767] ipv6_find_idev+0x102/0x170 [ 1140.017020][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.017020][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.017020][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.017020][ T3767] netlink_unicast+0x449/0x710 [ 1140.017020][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.017020][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.017020][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.017020][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.017020][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.017020][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.017020][ T3767] [ 1140.018720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1140.018720][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1140.018720][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1140.018720][ T3767] ipv6_find_idev+0x102/0x170 [ 1140.018720][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1140.018720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1140.018720][ T3767] netlink_rcv_skb+0x130/0x360 [ 1140.018720][ T3767] netlink_unicast+0x449/0x710 [ 1140.018720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1140.018720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1140.018720][ T3767] ___sys_sendmsg+0xee/0x170 [ 1140.018720][ T3767] __sys_sendmsg+0xcd/0x170 [ 1140.018720][ T3767] do_syscall_64+0xc6/0x1e0 [ 1140.018720][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1140.018720][ T3767] [ 1150.271876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1150.272284][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1150.272284][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1150.272284][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1150.272284][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1150.272284][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1150.272284][ T3767] ip6_route_add+0x1c/0x140 [ 1150.272284][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1150.272284][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.272284][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.272284][ T3767] netlink_unicast+0x449/0x710 [ 1150.272284][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.272284][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.272284][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.272284][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.272284][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.272284][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.272284][ T3767] [ 1150.274374][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1150.274374][ T3767] netdev_get_by_index+0x5e/0x80 [ 1150.274374][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1150.274374][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1150.274374][ T3767] ip6_route_add+0x1c/0x140 [ 1150.274374][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1150.274374][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1150.274374][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.274374][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.274374][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.274374][ T3767] netlink_unicast+0x449/0x710 [ 1150.274374][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.274374][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.274374][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.274374][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.274374][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.274374][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.274374][ T3767] [ 1150.276568][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1150.276568][ T3767] netdev_get_by_index+0x5e/0x80 [ 1150.276568][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1150.276568][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1150.276568][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1150.276568][ T3767] ipv6_add_addr+0x411/0x2000 [ 1150.276568][ T3767] inet6_addr_add+0x30e/0xa40 [ 1150.276568][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.276568][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.276568][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.276568][ T3767] netlink_unicast+0x449/0x710 [ 1150.276568][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.276568][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.276568][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.276568][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.276568][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.276568][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.276568][ T3767] [ 1150.278790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1150.278790][ T3767] netdev_get_by_index+0x5e/0x80 [ 1150.278790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1150.278790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1150.278790][ T3767] ip6_route_add+0x1c/0x140 [ 1150.278790][ T3767] addrconf_add_mroute+0x129/0x180 [ 1150.278790][ T3767] addrconf_add_dev+0xe2/0x170 [ 1150.278790][ T3767] inet6_addr_add+0x12f/0xa40 [ 1150.278790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1150.278790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.278790][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.278790][ T3767] netlink_unicast+0x449/0x710 [ 1150.278790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.278790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.278790][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.278790][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.278790][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.278790][ T3767] [ 1150.280938][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1150.280938][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1150.280938][ T3767] ipv6_find_idev+0x102/0x170 [ 1150.280938][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.280938][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.280938][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.280938][ T3767] netlink_unicast+0x449/0x710 [ 1150.280938][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.280938][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.280938][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.280938][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.280938][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.280938][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.280938][ T3767] [ 1150.282633][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1150.282633][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1150.282633][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1150.282633][ T3767] ipv6_find_idev+0x102/0x170 [ 1150.282633][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1150.282633][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1150.282633][ T3767] netlink_rcv_skb+0x130/0x360 [ 1150.282633][ T3767] netlink_unicast+0x449/0x710 [ 1150.282633][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1150.282633][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1150.282633][ T3767] ___sys_sendmsg+0xee/0x170 [ 1150.282633][ T3767] __sys_sendmsg+0xcd/0x170 [ 1150.282633][ T3767] do_syscall_64+0xc6/0x1e0 [ 1150.282633][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1150.282633][ T3767] [ 1160.287965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1160.288429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1160.288429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1160.288429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1160.288429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1160.288429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1160.288429][ T3767] ip6_route_add+0x1c/0x140 [ 1160.288429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1160.288429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.288429][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.288429][ T3767] netlink_unicast+0x449/0x710 [ 1160.288429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.288429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.288429][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.288429][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.288429][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.288429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.288429][ T3767] [ 1160.290533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1160.290533][ T3767] netdev_get_by_index+0x5e/0x80 [ 1160.290533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1160.290533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1160.290533][ T3767] ip6_route_add+0x1c/0x140 [ 1160.290533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1160.290533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1160.290533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.290533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.290533][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.290533][ T3767] netlink_unicast+0x449/0x710 [ 1160.290533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.290533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.290533][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.290533][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.290533][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.290533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.290533][ T3767] [ 1160.292733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1160.292733][ T3767] netdev_get_by_index+0x5e/0x80 [ 1160.292733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1160.292733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1160.292733][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1160.292733][ T3767] ipv6_add_addr+0x411/0x2000 [ 1160.292733][ T3767] inet6_addr_add+0x30e/0xa40 [ 1160.292733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.292733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.292733][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.292733][ T3767] netlink_unicast+0x449/0x710 [ 1160.292733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.292733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.292733][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.292733][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.292733][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.292733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.292733][ T3767] [ 1160.294928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1160.294928][ T3767] netdev_get_by_index+0x5e/0x80 [ 1160.294928][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1160.294928][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1160.294928][ T3767] ip6_route_add+0x1c/0x140 [ 1160.294928][ T3767] addrconf_add_mroute+0x129/0x180 [ 1160.294928][ T3767] addrconf_add_dev+0xe2/0x170 [ 1160.294928][ T3767] inet6_addr_add+0x12f/0xa40 [ 1160.294928][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1160.294928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.294928][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.294928][ T3767] netlink_unicast+0x449/0x710 [ 1160.294928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.294928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.294928][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.294928][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.294928][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.294928][ T3767] [ 1160.297088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1160.297088][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1160.297088][ T3767] ipv6_find_idev+0x102/0x170 [ 1160.297088][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.297088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.297088][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.297088][ T3767] netlink_unicast+0x449/0x710 [ 1160.297088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.297088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.297088][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.297088][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.297088][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.297088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.297088][ T3767] [ 1160.298767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1160.298767][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1160.298767][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1160.298767][ T3767] ipv6_find_idev+0x102/0x170 [ 1160.298767][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1160.298767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1160.298767][ T3767] netlink_rcv_skb+0x130/0x360 [ 1160.298767][ T3767] netlink_unicast+0x449/0x710 [ 1160.298767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1160.298767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1160.298767][ T3767] ___sys_sendmsg+0xee/0x170 [ 1160.298767][ T3767] __sys_sendmsg+0xcd/0x170 [ 1160.298767][ T3767] do_syscall_64+0xc6/0x1e0 [ 1160.298767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1160.298767][ T3767] [ 1170.535941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1170.536362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1170.536362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1170.536362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1170.536362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1170.536362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1170.536362][ T3767] ip6_route_add+0x1c/0x140 [ 1170.536362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1170.536362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.536362][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.536362][ T3767] netlink_unicast+0x449/0x710 [ 1170.536362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.536362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.536362][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.536362][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.536362][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.536362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.536362][ T3767] [ 1170.538432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1170.538432][ T3767] netdev_get_by_index+0x5e/0x80 [ 1170.538432][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1170.538432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1170.538432][ T3767] ip6_route_add+0x1c/0x140 [ 1170.538432][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1170.538432][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1170.538432][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.538432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.538432][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.538432][ T3767] netlink_unicast+0x449/0x710 [ 1170.538432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.538432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.538432][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.538432][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.538432][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.538432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.538432][ T3767] [ 1170.540632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1170.540632][ T3767] netdev_get_by_index+0x5e/0x80 [ 1170.540632][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1170.540632][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1170.540632][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1170.540632][ T3767] ipv6_add_addr+0x411/0x2000 [ 1170.540632][ T3767] inet6_addr_add+0x30e/0xa40 [ 1170.540632][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.540632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.540632][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.540632][ T3767] netlink_unicast+0x449/0x710 [ 1170.540632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.540632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.540632][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.540632][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.540632][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.540632][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.540632][ T3767] [ 1170.542846][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1170.542846][ T3767] netdev_get_by_index+0x5e/0x80 [ 1170.542846][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1170.542846][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1170.542846][ T3767] ip6_route_add+0x1c/0x140 [ 1170.542846][ T3767] addrconf_add_mroute+0x129/0x180 [ 1170.542846][ T3767] addrconf_add_dev+0xe2/0x170 [ 1170.542846][ T3767] inet6_addr_add+0x12f/0xa40 [ 1170.542846][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1170.542846][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.542846][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.542846][ T3767] netlink_unicast+0x449/0x710 [ 1170.542846][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.542846][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.542846][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.542846][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.542846][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.542846][ T3767] [ 1170.544995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1170.544995][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1170.544995][ T3767] ipv6_find_idev+0x102/0x170 [ 1170.544995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.544995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.544995][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.544995][ T3767] netlink_unicast+0x449/0x710 [ 1170.544995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.544995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.544995][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.544995][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.544995][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.544995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.544995][ T3767] [ 1170.546692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1170.546692][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1170.546692][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1170.546692][ T3767] ipv6_find_idev+0x102/0x170 [ 1170.546692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1170.546692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1170.546692][ T3767] netlink_rcv_skb+0x130/0x360 [ 1170.546692][ T3767] netlink_unicast+0x449/0x710 [ 1170.546692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1170.546692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1170.546692][ T3767] ___sys_sendmsg+0xee/0x170 [ 1170.546692][ T3767] __sys_sendmsg+0xcd/0x170 [ 1170.546692][ T3767] do_syscall_64+0xc6/0x1e0 [ 1170.546692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1170.546692][ T3767] [ 1180.783933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1180.784359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1180.784359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1180.784359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1180.784359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1180.784359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1180.784359][ T3767] ip6_route_add+0x1c/0x140 [ 1180.784359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1180.784359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.784359][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.784359][ T3767] netlink_unicast+0x449/0x710 [ 1180.784359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.784359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.784359][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.784359][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.784359][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.784359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1180.784359][ T3767] [ 1180.786458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1180.786458][ T3767] netdev_get_by_index+0x5e/0x80 [ 1180.786458][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1180.786458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1180.786458][ T3767] ip6_route_add+0x1c/0x140 [ 1180.786458][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1180.786458][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1180.786458][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1180.786458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.786458][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.786458][ T3767] netlink_unicast+0x449/0x710 [ 1180.786458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.786458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.786458][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.786458][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.786458][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.786458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1180.786458][ T3767] [ 1180.788786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1180.788786][ T3767] netdev_get_by_index+0x5e/0x80 [ 1180.788786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1180.788786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1180.788786][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1180.788786][ T3767] ipv6_add_addr+0x411/0x2000 [ 1180.788786][ T3767] inet6_addr_add+0x30e/0xa40 [ 1180.788786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1180.788786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.788786][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.788786][ T3767] netlink_unicast+0x449/0x710 [ 1180.788786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.788786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.788786][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.788786][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.788786][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.788786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1180.788786][ T3767] [ 1180.790967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1180.790967][ T3767] netdev_get_by_index+0x5e/0x80 [ 1180.790967][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1180.790967][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1180.790967][ T3767] ip6_route_add+0x1c/0x140 [ 1180.790967][ T3767] addrconf_add_mroute+0x129/0x180 [ 1180.790967][ T3767] addrconf_add_dev+0xe2/0x170 [ 1180.790967][ T3767] inet6_addr_add+0x12f/0xa40 [ 1180.790967][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1180.790967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.790967][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.790967][ T3767] netlink_unicast+0x449/0x710 [ 1180.790967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.790967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.790967][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.790967][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.790967][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.790967][ T3767] [ 1180.793130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1180.793130][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1180.793130][ T3767] ipv6_find_idev+0x102/0x170 [ 1180.793130][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1180.793130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.793130][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.793130][ T3767] netlink_unicast+0x449/0x710 [ 1180.793130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.793130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.793130][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.793130][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.793130][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.793130][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1180.793130][ T3767] [ 1180.794806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1180.794806][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1180.794806][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1180.794806][ T3767] ipv6_find_idev+0x102/0x170 [ 1180.794806][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1180.794806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1180.794806][ T3767] netlink_rcv_skb+0x130/0x360 [ 1180.794806][ T3767] netlink_unicast+0x449/0x710 [ 1180.794806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1180.794806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1180.794806][ T3767] ___sys_sendmsg+0xee/0x170 [ 1180.794806][ T3767] __sys_sendmsg+0xcd/0x170 [ 1180.794806][ T3767] do_syscall_64+0xc6/0x1e0 [ 1180.794806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1180.794806][ T3767] [ 1191.039916][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1191.040339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1191.040339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1191.040339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1191.040339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1191.040339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1191.040339][ T3767] ip6_route_add+0x1c/0x140 [ 1191.040339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1191.040339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.040339][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.040339][ T3767] netlink_unicast+0x449/0x710 [ 1191.040339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.040339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.040339][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.040339][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.040339][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.040339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.040339][ T3767] [ 1191.043266][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1191.043266][ T3767] netdev_get_by_index+0x5e/0x80 [ 1191.043266][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1191.043266][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1191.043266][ T3767] ip6_route_add+0x1c/0x140 [ 1191.043266][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1191.043266][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1191.043266][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.043266][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.043266][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.043266][ T3767] netlink_unicast+0x449/0x710 [ 1191.043266][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.043266][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.043266][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.043266][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.043266][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.043266][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.043266][ T3767] [ 1191.046851][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1191.046851][ T3767] netdev_get_by_index+0x5e/0x80 [ 1191.046851][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1191.046851][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1191.046851][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1191.046851][ T3767] ipv6_add_addr+0x411/0x2000 [ 1191.046851][ T3767] inet6_addr_add+0x30e/0xa40 [ 1191.046851][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.046851][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.046851][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.046851][ T3767] netlink_unicast+0x449/0x710 [ 1191.046851][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.046851][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.046851][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.046851][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.046851][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.046851][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.046851][ T3767] [ 1191.049400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1191.049400][ T3767] netdev_get_by_index+0x5e/0x80 [ 1191.049400][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1191.049400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1191.049400][ T3767] ip6_route_add+0x1c/0x140 [ 1191.049400][ T3767] addrconf_add_mroute+0x129/0x180 [ 1191.049400][ T3767] addrconf_add_dev+0xe2/0x170 [ 1191.049400][ T3767] inet6_addr_add+0x12f/0xa40 [ 1191.049400][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1191.049400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.049400][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.049400][ T3767] netlink_unicast+0x449/0x710 [ 1191.049400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.049400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.049400][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.049400][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.049400][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.049400][ T3767] [ 1191.052508][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1191.052508][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1191.052508][ T3767] ipv6_find_idev+0x102/0x170 [ 1191.052508][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.052508][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.052508][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.052508][ T3767] netlink_unicast+0x449/0x710 [ 1191.052508][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.052508][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.052508][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.052508][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.052508][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.052508][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.052508][ T3767] [ 1191.055265][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1191.055265][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1191.055265][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1191.055265][ T3767] ipv6_find_idev+0x102/0x170 [ 1191.055265][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1191.055265][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1191.055265][ T3767] netlink_rcv_skb+0x130/0x360 [ 1191.055265][ T3767] netlink_unicast+0x449/0x710 [ 1191.055265][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1191.055265][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1191.055265][ T3767] ___sys_sendmsg+0xee/0x170 [ 1191.055265][ T3767] __sys_sendmsg+0xcd/0x170 [ 1191.055265][ T3767] do_syscall_64+0xc6/0x1e0 [ 1191.055265][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1191.055265][ T3767] [ 1201.335992][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1201.336410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1201.336410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1201.336410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1201.336410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1201.336410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1201.336410][ T3767] ip6_route_add+0x1c/0x140 [ 1201.336410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1201.336410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.336410][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.336410][ T3767] netlink_unicast+0x449/0x710 [ 1201.336410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.336410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.336410][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.336410][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.336410][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.336410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.336410][ T3767] [ 1201.338601][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1201.338601][ T3767] netdev_get_by_index+0x5e/0x80 [ 1201.338601][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1201.338601][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1201.338601][ T3767] ip6_route_add+0x1c/0x140 [ 1201.338601][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1201.338601][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1201.338601][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.338601][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.338601][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.338601][ T3767] netlink_unicast+0x449/0x710 [ 1201.338601][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.338601][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.338601][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.338601][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.338601][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.338601][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.338601][ T3767] [ 1201.340947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1201.340947][ T3767] netdev_get_by_index+0x5e/0x80 [ 1201.340947][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1201.340947][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1201.340947][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1201.340947][ T3767] ipv6_add_addr+0x411/0x2000 [ 1201.340947][ T3767] inet6_addr_add+0x30e/0xa40 [ 1201.340947][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.340947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.340947][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.340947][ T3767] netlink_unicast+0x449/0x710 [ 1201.340947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.340947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.340947][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.340947][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.340947][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.340947][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.340947][ T3767] [ 1201.343345][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1201.343345][ T3767] netdev_get_by_index+0x5e/0x80 [ 1201.343345][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1201.343345][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1201.343345][ T3767] ip6_route_add+0x1c/0x140 [ 1201.343345][ T3767] addrconf_add_mroute+0x129/0x180 [ 1201.343345][ T3767] addrconf_add_dev+0xe2/0x170 [ 1201.343345][ T3767] inet6_addr_add+0x12f/0xa40 [ 1201.343345][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1201.343345][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.343345][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.343345][ T3767] netlink_unicast+0x449/0x710 [ 1201.343345][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.343345][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.343345][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.343345][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.343345][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.343345][ T3767] [ 1201.345512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1201.345512][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1201.345512][ T3767] ipv6_find_idev+0x102/0x170 [ 1201.345512][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.345512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.345512][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.345512][ T3767] netlink_unicast+0x449/0x710 [ 1201.345512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.345512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.345512][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.345512][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.345512][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.345512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.345512][ T3767] [ 1201.347205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1201.347205][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1201.347205][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1201.347205][ T3767] ipv6_find_idev+0x102/0x170 [ 1201.347205][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1201.347205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1201.347205][ T3767] netlink_rcv_skb+0x130/0x360 [ 1201.347205][ T3767] netlink_unicast+0x449/0x710 [ 1201.347205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1201.347205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1201.347205][ T3767] ___sys_sendmsg+0xee/0x170 [ 1201.347205][ T3767] __sys_sendmsg+0xcd/0x170 [ 1201.347205][ T3767] do_syscall_64+0xc6/0x1e0 [ 1201.347205][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1201.347205][ T3767] [ 1211.591912][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1211.592413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1211.592413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1211.592413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1211.592413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1211.592413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1211.592413][ T3767] ip6_route_add+0x1c/0x140 [ 1211.592413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1211.592413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.592413][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.592413][ T3767] netlink_unicast+0x449/0x710 [ 1211.592413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.592413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.592413][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.592413][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.592413][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.592413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.592413][ T3767] [ 1211.594500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1211.594500][ T3767] netdev_get_by_index+0x5e/0x80 [ 1211.594500][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1211.594500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1211.594500][ T3767] ip6_route_add+0x1c/0x140 [ 1211.594500][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1211.594500][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1211.594500][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.594500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.594500][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.594500][ T3767] netlink_unicast+0x449/0x710 [ 1211.594500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.594500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.594500][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.594500][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.594500][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.594500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.594500][ T3767] [ 1211.596702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1211.596702][ T3767] netdev_get_by_index+0x5e/0x80 [ 1211.596702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1211.596702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1211.596702][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1211.596702][ T3767] ipv6_add_addr+0x411/0x2000 [ 1211.596702][ T3767] inet6_addr_add+0x30e/0xa40 [ 1211.596702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.596702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.596702][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.596702][ T3767] netlink_unicast+0x449/0x710 [ 1211.596702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.596702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.596702][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.596702][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.596702][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.596702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.596702][ T3767] [ 1211.598906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1211.598906][ T3767] netdev_get_by_index+0x5e/0x80 [ 1211.598906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1211.598906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1211.598906][ T3767] ip6_route_add+0x1c/0x140 [ 1211.598906][ T3767] addrconf_add_mroute+0x129/0x180 [ 1211.598906][ T3767] addrconf_add_dev+0xe2/0x170 [ 1211.598906][ T3767] inet6_addr_add+0x12f/0xa40 [ 1211.598906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1211.598906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.598906][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.598906][ T3767] netlink_unicast+0x449/0x710 [ 1211.598906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.598906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.598906][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.598906][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.598906][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.598906][ T3767] [ 1211.601132][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1211.601132][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1211.601132][ T3767] ipv6_find_idev+0x102/0x170 [ 1211.601132][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.601132][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.601132][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.601132][ T3767] netlink_unicast+0x449/0x710 [ 1211.601132][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.601132][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.601132][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.601132][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.601132][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.601132][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.601132][ T3767] [ 1211.602830][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1211.602830][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1211.602830][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1211.602830][ T3767] ipv6_find_idev+0x102/0x170 [ 1211.602830][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1211.602830][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1211.602830][ T3767] netlink_rcv_skb+0x130/0x360 [ 1211.602830][ T3767] netlink_unicast+0x449/0x710 [ 1211.602830][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1211.602830][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1211.602830][ T3767] ___sys_sendmsg+0xee/0x170 [ 1211.602830][ T3767] __sys_sendmsg+0xcd/0x170 [ 1211.602830][ T3767] do_syscall_64+0xc6/0x1e0 [ 1211.602830][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1211.602830][ T3767] [ 1221.640021][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1221.640464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1221.640464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1221.640464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1221.640464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1221.640464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1221.640464][ T3767] ip6_route_add+0x1c/0x140 [ 1221.640464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1221.640464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.640464][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.640464][ T3767] netlink_unicast+0x449/0x710 [ 1221.640464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.640464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.640464][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.640464][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.640464][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.640464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1221.640464][ T3767] [ 1221.642549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1221.642549][ T3767] netdev_get_by_index+0x5e/0x80 [ 1221.642549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1221.642549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1221.642549][ T3767] ip6_route_add+0x1c/0x140 [ 1221.642549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1221.642549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1221.642549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1221.642549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.642549][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.642549][ T3767] netlink_unicast+0x449/0x710 [ 1221.642549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.642549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.642549][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.642549][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.642549][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.642549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1221.642549][ T3767] [ 1221.644736][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1221.644736][ T3767] netdev_get_by_index+0x5e/0x80 [ 1221.644736][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1221.644736][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1221.644736][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1221.644736][ T3767] ipv6_add_addr+0x411/0x2000 [ 1221.644736][ T3767] inet6_addr_add+0x30e/0xa40 [ 1221.644736][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1221.644736][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.644736][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.644736][ T3767] netlink_unicast+0x449/0x710 [ 1221.644736][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.644736][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.644736][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.644736][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.644736][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.644736][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1221.644736][ T3767] [ 1221.646920][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1221.646920][ T3767] netdev_get_by_index+0x5e/0x80 [ 1221.646920][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1221.646920][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1221.646920][ T3767] ip6_route_add+0x1c/0x140 [ 1221.646920][ T3767] addrconf_add_mroute+0x129/0x180 [ 1221.646920][ T3767] addrconf_add_dev+0xe2/0x170 [ 1221.646920][ T3767] inet6_addr_add+0x12f/0xa40 [ 1221.646920][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1221.646920][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.646920][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.646920][ T3767] netlink_unicast+0x449/0x710 [ 1221.646920][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.646920][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.646920][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.646920][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.646920][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.646920][ T3767] [ 1221.649108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1221.649108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1221.649108][ T3767] ipv6_find_idev+0x102/0x170 [ 1221.649108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1221.649108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.649108][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.649108][ T3767] netlink_unicast+0x449/0x710 [ 1221.649108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.649108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.649108][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.649108][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.649108][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.649108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1221.649108][ T3767] [ 1221.650791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1221.650791][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1221.650791][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1221.650791][ T3767] ipv6_find_idev+0x102/0x170 [ 1221.650791][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1221.650791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1221.650791][ T3767] netlink_rcv_skb+0x130/0x360 [ 1221.650791][ T3767] netlink_unicast+0x449/0x710 [ 1221.650791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1221.650791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1221.650791][ T3767] ___sys_sendmsg+0xee/0x170 [ 1221.650791][ T3767] __sys_sendmsg+0xcd/0x170 [ 1221.650791][ T3767] do_syscall_64+0xc6/0x1e0 [ 1221.650791][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1221.650791][ T3767] [ 1231.887912][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1231.888505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1231.888505][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1231.888505][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1231.888505][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1231.888505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1231.888505][ T3767] ip6_route_add+0x1c/0x140 [ 1231.888505][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1231.888505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.888505][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.888505][ T3767] netlink_unicast+0x449/0x710 [ 1231.888505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.888505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.888505][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.888505][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.888505][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.888505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1231.888505][ T3767] [ 1231.891747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1231.891747][ T3767] netdev_get_by_index+0x5e/0x80 [ 1231.891747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1231.891747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1231.891747][ T3767] ip6_route_add+0x1c/0x140 [ 1231.891747][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1231.891747][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1231.891747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1231.891747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.891747][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.891747][ T3767] netlink_unicast+0x449/0x710 [ 1231.891747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.891747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.891747][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.891747][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.891747][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.891747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1231.891747][ T3767] [ 1231.895320][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1231.895320][ T3767] netdev_get_by_index+0x5e/0x80 [ 1231.895320][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1231.895320][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1231.895320][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1231.895320][ T3767] ipv6_add_addr+0x411/0x2000 [ 1231.895320][ T3767] inet6_addr_add+0x30e/0xa40 [ 1231.895320][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1231.895320][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.895320][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.895320][ T3767] netlink_unicast+0x449/0x710 [ 1231.895320][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.895320][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.895320][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.895320][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.895320][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.895320][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1231.895320][ T3767] [ 1231.898847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1231.898847][ T3767] netdev_get_by_index+0x5e/0x80 [ 1231.898847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1231.898847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1231.898847][ T3767] ip6_route_add+0x1c/0x140 [ 1231.898847][ T3767] addrconf_add_mroute+0x129/0x180 [ 1231.898847][ T3767] addrconf_add_dev+0xe2/0x170 [ 1231.898847][ T3767] inet6_addr_add+0x12f/0xa40 [ 1231.898847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1231.898847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.898847][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.898847][ T3767] netlink_unicast+0x449/0x710 [ 1231.898847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.898847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.898847][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.898847][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.898847][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.898847][ T3767] [ 1231.902413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1231.902413][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1231.902413][ T3767] ipv6_find_idev+0x102/0x170 [ 1231.902413][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1231.902413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.902413][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.902413][ T3767] netlink_unicast+0x449/0x710 [ 1231.902413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.902413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.902413][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.902413][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.902413][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.902413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1231.902413][ T3767] [ 1231.905133][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1231.905133][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1231.905133][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1231.905133][ T3767] ipv6_find_idev+0x102/0x170 [ 1231.905133][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1231.905133][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1231.905133][ T3767] netlink_rcv_skb+0x130/0x360 [ 1231.905133][ T3767] netlink_unicast+0x449/0x710 [ 1231.905133][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1231.905133][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1231.905133][ T3767] ___sys_sendmsg+0xee/0x170 [ 1231.905133][ T3767] __sys_sendmsg+0xcd/0x170 [ 1231.905133][ T3767] do_syscall_64+0xc6/0x1e0 [ 1231.905133][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1231.905133][ T3767] [ 1242.143958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1242.144396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1242.144396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1242.144396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1242.144396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1242.144396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1242.144396][ T3767] ip6_route_add+0x1c/0x140 [ 1242.144396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1242.144396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.144396][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.144396][ T3767] netlink_unicast+0x449/0x710 [ 1242.144396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.144396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.144396][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.144396][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.144396][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.144396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.144396][ T3767] [ 1242.146536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1242.146536][ T3767] netdev_get_by_index+0x5e/0x80 [ 1242.146536][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1242.146536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1242.146536][ T3767] ip6_route_add+0x1c/0x140 [ 1242.146536][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1242.146536][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1242.146536][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.146536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.146536][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.146536][ T3767] netlink_unicast+0x449/0x710 [ 1242.146536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.146536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.146536][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.146536][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.146536][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.146536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.146536][ T3767] [ 1242.148754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1242.148754][ T3767] netdev_get_by_index+0x5e/0x80 [ 1242.148754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1242.148754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1242.148754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1242.148754][ T3767] ipv6_add_addr+0x411/0x2000 [ 1242.148754][ T3767] inet6_addr_add+0x30e/0xa40 [ 1242.148754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.148754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.148754][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.148754][ T3767] netlink_unicast+0x449/0x710 [ 1242.148754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.148754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.148754][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.148754][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.148754][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.148754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.148754][ T3767] [ 1242.150977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1242.150977][ T3767] netdev_get_by_index+0x5e/0x80 [ 1242.150977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1242.150977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1242.150977][ T3767] ip6_route_add+0x1c/0x140 [ 1242.150977][ T3767] addrconf_add_mroute+0x129/0x180 [ 1242.150977][ T3767] addrconf_add_dev+0xe2/0x170 [ 1242.150977][ T3767] inet6_addr_add+0x12f/0xa40 [ 1242.150977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1242.150977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.150977][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.150977][ T3767] netlink_unicast+0x449/0x710 [ 1242.150977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.150977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.150977][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.150977][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.150977][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.150977][ T3767] [ 1242.153152][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1242.153152][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1242.153152][ T3767] ipv6_find_idev+0x102/0x170 [ 1242.153152][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.153152][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.153152][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.153152][ T3767] netlink_unicast+0x449/0x710 [ 1242.153152][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.153152][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.153152][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.153152][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.153152][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.153152][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.153152][ T3767] [ 1242.154850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1242.154850][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1242.154850][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1242.154850][ T3767] ipv6_find_idev+0x102/0x170 [ 1242.154850][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1242.154850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1242.154850][ T3767] netlink_rcv_skb+0x130/0x360 [ 1242.154850][ T3767] netlink_unicast+0x449/0x710 [ 1242.154850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1242.154850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1242.154850][ T3767] ___sys_sendmsg+0xee/0x170 [ 1242.154850][ T3767] __sys_sendmsg+0xcd/0x170 [ 1242.154850][ T3767] do_syscall_64+0xc6/0x1e0 [ 1242.154850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1242.154850][ T3767] [ 1252.391877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1252.392309][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1252.392309][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1252.392309][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1252.392309][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1252.392309][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1252.392309][ T3767] ip6_route_add+0x1c/0x140 [ 1252.392309][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1252.392309][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.392309][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.392309][ T3767] netlink_unicast+0x449/0x710 [ 1252.392309][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.392309][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.392309][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.392309][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.392309][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.392309][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1252.392309][ T3767] [ 1252.394522][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1252.394522][ T3767] netdev_get_by_index+0x5e/0x80 [ 1252.394522][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1252.394522][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1252.394522][ T3767] ip6_route_add+0x1c/0x140 [ 1252.394522][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1252.394522][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1252.394522][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1252.394522][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.394522][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.394522][ T3767] netlink_unicast+0x449/0x710 [ 1252.394522][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.394522][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.394522][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.394522][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.394522][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.394522][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1252.394522][ T3767] [ 1252.396741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1252.396741][ T3767] netdev_get_by_index+0x5e/0x80 [ 1252.396741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1252.396741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1252.396741][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1252.396741][ T3767] ipv6_add_addr+0x411/0x2000 [ 1252.396741][ T3767] inet6_addr_add+0x30e/0xa40 [ 1252.396741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1252.396741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.396741][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.396741][ T3767] netlink_unicast+0x449/0x710 [ 1252.396741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.396741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.396741][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.396741][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.396741][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.396741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1252.396741][ T3767] [ 1252.398966][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1252.398966][ T3767] netdev_get_by_index+0x5e/0x80 [ 1252.398966][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1252.398966][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1252.398966][ T3767] ip6_route_add+0x1c/0x140 [ 1252.398966][ T3767] addrconf_add_mroute+0x129/0x180 [ 1252.398966][ T3767] addrconf_add_dev+0xe2/0x170 [ 1252.398966][ T3767] inet6_addr_add+0x12f/0xa40 [ 1252.398966][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1252.398966][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.398966][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.398966][ T3767] netlink_unicast+0x449/0x710 [ 1252.398966][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.398966][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.398966][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.398966][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.398966][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.398966][ T3767] [ 1252.401168][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1252.401168][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1252.401168][ T3767] ipv6_find_idev+0x102/0x170 [ 1252.401168][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1252.401168][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.401168][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.401168][ T3767] netlink_unicast+0x449/0x710 [ 1252.401168][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.401168][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.401168][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.401168][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.401168][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.401168][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1252.401168][ T3767] [ 1252.402902][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1252.402902][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1252.402902][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1252.402902][ T3767] ipv6_find_idev+0x102/0x170 [ 1252.402902][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1252.402902][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1252.402902][ T3767] netlink_rcv_skb+0x130/0x360 [ 1252.402902][ T3767] netlink_unicast+0x449/0x710 [ 1252.402902][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1252.402902][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1252.402902][ T3767] ___sys_sendmsg+0xee/0x170 [ 1252.402902][ T3767] __sys_sendmsg+0xcd/0x170 [ 1252.402902][ T3767] do_syscall_64+0xc6/0x1e0 [ 1252.402902][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1252.402902][ T3767] [ 1262.639993][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1262.640400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1262.640400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1262.640400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1262.640400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1262.640400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1262.640400][ T3767] ip6_route_add+0x1c/0x140 [ 1262.640400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1262.640400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.640400][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.640400][ T3767] netlink_unicast+0x449/0x710 [ 1262.640400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.640400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.640400][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.640400][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.640400][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.640400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1262.640400][ T3767] [ 1262.642523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1262.642523][ T3767] netdev_get_by_index+0x5e/0x80 [ 1262.642523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1262.642523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1262.642523][ T3767] ip6_route_add+0x1c/0x140 [ 1262.642523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1262.642523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1262.642523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1262.642523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.642523][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.642523][ T3767] netlink_unicast+0x449/0x710 [ 1262.642523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.642523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.642523][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.642523][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.642523][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.642523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1262.642523][ T3767] [ 1262.644745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1262.644745][ T3767] netdev_get_by_index+0x5e/0x80 [ 1262.644745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1262.644745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1262.644745][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1262.644745][ T3767] ipv6_add_addr+0x411/0x2000 [ 1262.644745][ T3767] inet6_addr_add+0x30e/0xa40 [ 1262.644745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1262.644745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.644745][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.644745][ T3767] netlink_unicast+0x449/0x710 [ 1262.644745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.644745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.644745][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.644745][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.644745][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.644745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1262.644745][ T3767] [ 1262.646984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1262.646984][ T3767] netdev_get_by_index+0x5e/0x80 [ 1262.646984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1262.646984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1262.646984][ T3767] ip6_route_add+0x1c/0x140 [ 1262.646984][ T3767] addrconf_add_mroute+0x129/0x180 [ 1262.646984][ T3767] addrconf_add_dev+0xe2/0x170 [ 1262.646984][ T3767] inet6_addr_add+0x12f/0xa40 [ 1262.646984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1262.646984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.646984][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.646984][ T3767] netlink_unicast+0x449/0x710 [ 1262.646984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.646984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.646984][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.646984][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.646984][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.646984][ T3767] [ 1262.649194][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1262.649194][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1262.649194][ T3767] ipv6_find_idev+0x102/0x170 [ 1262.649194][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1262.649194][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.649194][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.649194][ T3767] netlink_unicast+0x449/0x710 [ 1262.649194][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.649194][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.649194][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.649194][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.649194][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.649194][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1262.649194][ T3767] [ 1262.650924][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1262.650924][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1262.650924][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1262.650924][ T3767] ipv6_find_idev+0x102/0x170 [ 1262.650924][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1262.650924][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1262.650924][ T3767] netlink_rcv_skb+0x130/0x360 [ 1262.650924][ T3767] netlink_unicast+0x449/0x710 [ 1262.650924][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1262.650924][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1262.650924][ T3767] ___sys_sendmsg+0xee/0x170 [ 1262.650924][ T3767] __sys_sendmsg+0xcd/0x170 [ 1262.650924][ T3767] do_syscall_64+0xc6/0x1e0 [ 1262.650924][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1262.650924][ T3767] [ 1272.887895][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1272.888472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1272.888472][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1272.888472][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1272.888472][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1272.888472][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1272.888472][ T3767] ip6_route_add+0x1c/0x140 [ 1272.888472][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1272.888472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.888472][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.888472][ T3767] netlink_unicast+0x449/0x710 [ 1272.888472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.888472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.888472][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.888472][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.888472][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.888472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1272.888472][ T3767] [ 1272.891823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1272.891823][ T3767] netdev_get_by_index+0x5e/0x80 [ 1272.891823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1272.891823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1272.891823][ T3767] ip6_route_add+0x1c/0x140 [ 1272.891823][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1272.891823][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1272.891823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1272.891823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.891823][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.891823][ T3767] netlink_unicast+0x449/0x710 [ 1272.891823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.891823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.891823][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.891823][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.891823][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.891823][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1272.891823][ T3767] [ 1272.895253][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1272.895253][ T3767] netdev_get_by_index+0x5e/0x80 [ 1272.895253][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1272.895253][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1272.895253][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1272.895253][ T3767] ipv6_add_addr+0x411/0x2000 [ 1272.895253][ T3767] inet6_addr_add+0x30e/0xa40 [ 1272.895253][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1272.895253][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.895253][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.895253][ T3767] netlink_unicast+0x449/0x710 [ 1272.895253][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.895253][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.895253][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.895253][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.895253][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.895253][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1272.895253][ T3767] [ 1272.898723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1272.898723][ T3767] netdev_get_by_index+0x5e/0x80 [ 1272.898723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1272.898723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1272.898723][ T3767] ip6_route_add+0x1c/0x140 [ 1272.898723][ T3767] addrconf_add_mroute+0x129/0x180 [ 1272.898723][ T3767] addrconf_add_dev+0xe2/0x170 [ 1272.898723][ T3767] inet6_addr_add+0x12f/0xa40 [ 1272.898723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1272.898723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.898723][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.898723][ T3767] netlink_unicast+0x449/0x710 [ 1272.898723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.898723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.898723][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.898723][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.898723][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.898723][ T3767] [ 1272.902127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1272.902127][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1272.902127][ T3767] ipv6_find_idev+0x102/0x170 [ 1272.902127][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1272.902127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.902127][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.902127][ T3767] netlink_unicast+0x449/0x710 [ 1272.902127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.902127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.902127][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.902127][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.902127][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.902127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1272.902127][ T3767] [ 1272.904841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1272.904841][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1272.904841][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1272.904841][ T3767] ipv6_find_idev+0x102/0x170 [ 1272.904841][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1272.904841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1272.904841][ T3767] netlink_rcv_skb+0x130/0x360 [ 1272.904841][ T3767] netlink_unicast+0x449/0x710 [ 1272.904841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1272.904841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1272.904841][ T3767] ___sys_sendmsg+0xee/0x170 [ 1272.904841][ T3767] __sys_sendmsg+0xcd/0x170 [ 1272.904841][ T3767] do_syscall_64+0xc6/0x1e0 [ 1272.904841][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1272.904841][ T3767] [ 1283.144040][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1283.144498][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1283.144498][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1283.144498][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1283.144498][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1283.144498][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1283.144498][ T3767] ip6_route_add+0x1c/0x140 [ 1283.144498][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1283.144498][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.144498][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.144498][ T3767] netlink_unicast+0x449/0x710 [ 1283.144498][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.144498][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.144498][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.144498][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.144498][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.144498][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.144498][ T3767] [ 1283.146866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1283.146866][ T3767] netdev_get_by_index+0x5e/0x80 [ 1283.146866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1283.146866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1283.146866][ T3767] ip6_route_add+0x1c/0x140 [ 1283.146866][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1283.146866][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1283.146866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.146866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.146866][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.146866][ T3767] netlink_unicast+0x449/0x710 [ 1283.146866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.146866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.146866][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.146866][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.146866][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.146866][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.146866][ T3767] [ 1283.149366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1283.149366][ T3767] netdev_get_by_index+0x5e/0x80 [ 1283.149366][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1283.149366][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1283.149366][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1283.149366][ T3767] ipv6_add_addr+0x411/0x2000 [ 1283.149366][ T3767] inet6_addr_add+0x30e/0xa40 [ 1283.149366][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.149366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.149366][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.149366][ T3767] netlink_unicast+0x449/0x710 [ 1283.149366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.149366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.149366][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.149366][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.149366][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.149366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.149366][ T3767] [ 1283.151882][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1283.151882][ T3767] netdev_get_by_index+0x5e/0x80 [ 1283.151882][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1283.151882][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1283.151882][ T3767] ip6_route_add+0x1c/0x140 [ 1283.151882][ T3767] addrconf_add_mroute+0x129/0x180 [ 1283.151882][ T3767] addrconf_add_dev+0xe2/0x170 [ 1283.151882][ T3767] inet6_addr_add+0x12f/0xa40 [ 1283.151882][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1283.151882][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.151882][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.151882][ T3767] netlink_unicast+0x449/0x710 [ 1283.151882][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.151882][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.151882][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.151882][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.151882][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.151882][ T3767] [ 1283.154224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1283.154224][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1283.154224][ T3767] ipv6_find_idev+0x102/0x170 [ 1283.154224][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.154224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.154224][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.154224][ T3767] netlink_unicast+0x449/0x710 [ 1283.154224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.154224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.154224][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.154224][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.154224][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.154224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.154224][ T3767] [ 1283.156160][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1283.156160][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1283.156160][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1283.156160][ T3767] ipv6_find_idev+0x102/0x170 [ 1283.156160][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1283.156160][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1283.156160][ T3767] netlink_rcv_skb+0x130/0x360 [ 1283.156160][ T3767] netlink_unicast+0x449/0x710 [ 1283.156160][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1283.156160][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1283.156160][ T3767] ___sys_sendmsg+0xee/0x170 [ 1283.156160][ T3767] __sys_sendmsg+0xcd/0x170 [ 1283.156160][ T3767] do_syscall_64+0xc6/0x1e0 [ 1283.156160][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1283.156160][ T3767] [ 1293.399923][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1293.400573][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1293.400573][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1293.400573][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1293.400573][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1293.400573][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1293.400573][ T3767] ip6_route_add+0x1c/0x140 [ 1293.400573][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1293.400573][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.400573][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.400573][ T3767] netlink_unicast+0x449/0x710 [ 1293.400573][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.400573][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.400573][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.400573][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.400573][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.400573][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.400573][ T3767] [ 1293.404072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1293.404072][ T3767] netdev_get_by_index+0x5e/0x80 [ 1293.404072][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1293.404072][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1293.404072][ T3767] ip6_route_add+0x1c/0x140 [ 1293.404072][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1293.404072][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1293.404072][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.404072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.404072][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.404072][ T3767] netlink_unicast+0x449/0x710 [ 1293.404072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.404072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.404072][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.404072][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.404072][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.404072][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.404072][ T3767] [ 1293.407600][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1293.407600][ T3767] netdev_get_by_index+0x5e/0x80 [ 1293.407600][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1293.407600][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1293.407600][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1293.407600][ T3767] ipv6_add_addr+0x411/0x2000 [ 1293.407600][ T3767] inet6_addr_add+0x30e/0xa40 [ 1293.407600][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.407600][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.407600][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.407600][ T3767] netlink_unicast+0x449/0x710 [ 1293.407600][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.407600][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.407600][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.407600][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.407600][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.407600][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.407600][ T3767] [ 1293.411050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1293.411050][ T3767] netdev_get_by_index+0x5e/0x80 [ 1293.411050][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1293.411050][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1293.411050][ T3767] ip6_route_add+0x1c/0x140 [ 1293.411050][ T3767] addrconf_add_mroute+0x129/0x180 [ 1293.411050][ T3767] addrconf_add_dev+0xe2/0x170 [ 1293.411050][ T3767] inet6_addr_add+0x12f/0xa40 [ 1293.411050][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1293.411050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.411050][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.411050][ T3767] netlink_unicast+0x449/0x710 [ 1293.411050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.411050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.411050][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.411050][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.411050][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.411050][ T3767] [ 1293.414556][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1293.414556][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1293.414556][ T3767] ipv6_find_idev+0x102/0x170 [ 1293.414556][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.414556][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.414556][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.414556][ T3767] netlink_unicast+0x449/0x710 [ 1293.414556][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.414556][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.414556][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.414556][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.414556][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.414556][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.414556][ T3767] [ 1293.417292][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1293.417292][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1293.417292][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1293.417292][ T3767] ipv6_find_idev+0x102/0x170 [ 1293.417292][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1293.417292][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1293.417292][ T3767] netlink_rcv_skb+0x130/0x360 [ 1293.417292][ T3767] netlink_unicast+0x449/0x710 [ 1293.417292][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1293.417292][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1293.417292][ T3767] ___sys_sendmsg+0xee/0x170 [ 1293.417292][ T3767] __sys_sendmsg+0xcd/0x170 [ 1293.417292][ T3767] do_syscall_64+0xc6/0x1e0 [ 1293.417292][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1293.417292][ T3767] [ 1303.655909][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1303.656375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1303.656375][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1303.656375][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1303.656375][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1303.656375][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1303.656375][ T3767] ip6_route_add+0x1c/0x140 [ 1303.656375][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1303.656375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.656375][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.656375][ T3767] netlink_unicast+0x449/0x710 [ 1303.656375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.656375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.656375][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.656375][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.656375][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.656375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1303.656375][ T3767] [ 1303.658545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1303.658545][ T3767] netdev_get_by_index+0x5e/0x80 [ 1303.658545][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1303.658545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1303.658545][ T3767] ip6_route_add+0x1c/0x140 [ 1303.658545][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1303.658545][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1303.658545][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1303.658545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.658545][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.658545][ T3767] netlink_unicast+0x449/0x710 [ 1303.658545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.658545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.658545][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.658545][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.658545][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.658545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1303.658545][ T3767] [ 1303.660817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1303.660817][ T3767] netdev_get_by_index+0x5e/0x80 [ 1303.660817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1303.660817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1303.660817][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1303.660817][ T3767] ipv6_add_addr+0x411/0x2000 [ 1303.660817][ T3767] inet6_addr_add+0x30e/0xa40 [ 1303.660817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1303.660817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.660817][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.660817][ T3767] netlink_unicast+0x449/0x710 [ 1303.660817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.660817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.660817][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.660817][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.660817][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.660817][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1303.660817][ T3767] [ 1303.663039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1303.663039][ T3767] netdev_get_by_index+0x5e/0x80 [ 1303.663039][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1303.663039][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1303.663039][ T3767] ip6_route_add+0x1c/0x140 [ 1303.663039][ T3767] addrconf_add_mroute+0x129/0x180 [ 1303.663039][ T3767] addrconf_add_dev+0xe2/0x170 [ 1303.663039][ T3767] inet6_addr_add+0x12f/0xa40 [ 1303.663039][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1303.663039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.663039][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.663039][ T3767] netlink_unicast+0x449/0x710 [ 1303.663039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.663039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.663039][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.663039][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.663039][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.663039][ T3767] [ 1303.665250][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1303.665250][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1303.665250][ T3767] ipv6_find_idev+0x102/0x170 [ 1303.665250][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1303.665250][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.665250][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.665250][ T3767] netlink_unicast+0x449/0x710 [ 1303.665250][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.665250][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.665250][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.665250][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.665250][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.665250][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1303.665250][ T3767] [ 1303.666979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1303.666979][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1303.666979][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1303.666979][ T3767] ipv6_find_idev+0x102/0x170 [ 1303.666979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1303.666979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1303.666979][ T3767] netlink_rcv_skb+0x130/0x360 [ 1303.666979][ T3767] netlink_unicast+0x449/0x710 [ 1303.666979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1303.666979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1303.666979][ T3767] ___sys_sendmsg+0xee/0x170 [ 1303.666979][ T3767] __sys_sendmsg+0xcd/0x170 [ 1303.666979][ T3767] do_syscall_64+0xc6/0x1e0 [ 1303.666979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1303.666979][ T3767] [ 1313.695948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1313.696622][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1313.696622][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1313.696622][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1313.696622][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1313.696622][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1313.696622][ T3767] ip6_route_add+0x1c/0x140 [ 1313.696622][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1313.696622][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.696622][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.696622][ T3767] netlink_unicast+0x449/0x710 [ 1313.696622][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.696622][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.696622][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.696622][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.696622][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.696622][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1313.696622][ T3767] [ 1313.700127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1313.700127][ T3767] netdev_get_by_index+0x5e/0x80 [ 1313.700127][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1313.700127][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1313.700127][ T3767] ip6_route_add+0x1c/0x140 [ 1313.700127][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1313.700127][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1313.700127][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1313.700127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.700127][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.700127][ T3767] netlink_unicast+0x449/0x710 [ 1313.700127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.700127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.700127][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.700127][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.700127][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.700127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1313.700127][ T3767] [ 1313.703861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1313.703861][ T3767] netdev_get_by_index+0x5e/0x80 [ 1313.703861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1313.703861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1313.703861][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1313.703861][ T3767] ipv6_add_addr+0x411/0x2000 [ 1313.703861][ T3767] inet6_addr_add+0x30e/0xa40 [ 1313.703861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1313.703861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.703861][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.703861][ T3767] netlink_unicast+0x449/0x710 [ 1313.703861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.703861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.703861][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.703861][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.703861][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.703861][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1313.703861][ T3767] [ 1313.707555][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1313.707555][ T3767] netdev_get_by_index+0x5e/0x80 [ 1313.707555][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1313.707555][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1313.707555][ T3767] ip6_route_add+0x1c/0x140 [ 1313.707555][ T3767] addrconf_add_mroute+0x129/0x180 [ 1313.707555][ T3767] addrconf_add_dev+0xe2/0x170 [ 1313.707555][ T3767] inet6_addr_add+0x12f/0xa40 [ 1313.707555][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1313.707555][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.707555][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.707555][ T3767] netlink_unicast+0x449/0x710 [ 1313.707555][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.707555][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.707555][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.707555][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.707555][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.707555][ T3767] [ 1313.711199][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1313.711199][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1313.711199][ T3767] ipv6_find_idev+0x102/0x170 [ 1313.711199][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1313.711199][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.711199][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.711199][ T3767] netlink_unicast+0x449/0x710 [ 1313.711199][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.711199][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.711199][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.711199][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.711199][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.711199][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1313.711199][ T3767] [ 1313.714034][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1313.714034][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1313.714034][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1313.714034][ T3767] ipv6_find_idev+0x102/0x170 [ 1313.714034][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1313.714034][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1313.714034][ T3767] netlink_rcv_skb+0x130/0x360 [ 1313.714034][ T3767] netlink_unicast+0x449/0x710 [ 1313.714034][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1313.714034][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1313.714034][ T3767] ___sys_sendmsg+0xee/0x170 [ 1313.714034][ T3767] __sys_sendmsg+0xcd/0x170 [ 1313.714034][ T3767] do_syscall_64+0xc6/0x1e0 [ 1313.714034][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1313.714034][ T3767] [ 1323.959971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1323.960464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1323.960464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1323.960464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1323.960464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1323.960464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1323.960464][ T3767] ip6_route_add+0x1c/0x140 [ 1323.960464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1323.960464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.960464][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.960464][ T3767] netlink_unicast+0x449/0x710 [ 1323.960464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.960464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.960464][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.960464][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.960464][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.960464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1323.960464][ T3767] [ 1323.962755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1323.962755][ T3767] netdev_get_by_index+0x5e/0x80 [ 1323.962755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1323.962755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1323.962755][ T3767] ip6_route_add+0x1c/0x140 [ 1323.962755][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1323.962755][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1323.962755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1323.962755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.962755][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.962755][ T3767] netlink_unicast+0x449/0x710 [ 1323.962755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.962755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.962755][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.962755][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.962755][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.962755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1323.962755][ T3767] [ 1323.965145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1323.965145][ T3767] netdev_get_by_index+0x5e/0x80 [ 1323.965145][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1323.965145][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1323.965145][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1323.965145][ T3767] ipv6_add_addr+0x411/0x2000 [ 1323.965145][ T3767] inet6_addr_add+0x30e/0xa40 [ 1323.965145][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1323.965145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.965145][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.965145][ T3767] netlink_unicast+0x449/0x710 [ 1323.965145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.965145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.965145][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.965145][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.965145][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.965145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1323.965145][ T3767] [ 1323.967520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1323.967520][ T3767] netdev_get_by_index+0x5e/0x80 [ 1323.967520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1323.967520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1323.967520][ T3767] ip6_route_add+0x1c/0x140 [ 1323.967520][ T3767] addrconf_add_mroute+0x129/0x180 [ 1323.967520][ T3767] addrconf_add_dev+0xe2/0x170 [ 1323.967520][ T3767] inet6_addr_add+0x12f/0xa40 [ 1323.967520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1323.967520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.967520][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.967520][ T3767] netlink_unicast+0x449/0x710 [ 1323.967520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.967520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.967520][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.967520][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.967520][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.967520][ T3767] [ 1323.969776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1323.969776][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1323.969776][ T3767] ipv6_find_idev+0x102/0x170 [ 1323.969776][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1323.969776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.969776][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.969776][ T3767] netlink_unicast+0x449/0x710 [ 1323.969776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.969776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.969776][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.969776][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.969776][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.969776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1323.969776][ T3767] [ 1323.971513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1323.971513][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1323.971513][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1323.971513][ T3767] ipv6_find_idev+0x102/0x170 [ 1323.971513][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1323.971513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1323.971513][ T3767] netlink_rcv_skb+0x130/0x360 [ 1323.971513][ T3767] netlink_unicast+0x449/0x710 [ 1323.971513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1323.971513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1323.971513][ T3767] ___sys_sendmsg+0xee/0x170 [ 1323.971513][ T3767] __sys_sendmsg+0xcd/0x170 [ 1323.971513][ T3767] do_syscall_64+0xc6/0x1e0 [ 1323.971513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1323.971513][ T3767] [ 1334.215956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1334.216408][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1334.216408][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1334.216408][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1334.216408][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1334.216408][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1334.216408][ T3767] ip6_route_add+0x1c/0x140 [ 1334.216408][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1334.216408][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.216408][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.216408][ T3767] netlink_unicast+0x449/0x710 [ 1334.216408][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.216408][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.216408][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.216408][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.216408][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.216408][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.216408][ T3767] [ 1334.218648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1334.218648][ T3767] netdev_get_by_index+0x5e/0x80 [ 1334.218648][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1334.218648][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1334.218648][ T3767] ip6_route_add+0x1c/0x140 [ 1334.218648][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1334.218648][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1334.218648][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.218648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.218648][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.218648][ T3767] netlink_unicast+0x449/0x710 [ 1334.218648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.218648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.218648][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.218648][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.218648][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.218648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.218648][ T3767] [ 1334.221070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1334.221070][ T3767] netdev_get_by_index+0x5e/0x80 [ 1334.221070][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1334.221070][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1334.221070][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1334.221070][ T3767] ipv6_add_addr+0x411/0x2000 [ 1334.221070][ T3767] inet6_addr_add+0x30e/0xa40 [ 1334.221070][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.221070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.221070][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.221070][ T3767] netlink_unicast+0x449/0x710 [ 1334.221070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.221070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.221070][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.221070][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.221070][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.221070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.221070][ T3767] [ 1334.223336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1334.223336][ T3767] netdev_get_by_index+0x5e/0x80 [ 1334.223336][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1334.223336][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1334.223336][ T3767] ip6_route_add+0x1c/0x140 [ 1334.223336][ T3767] addrconf_add_mroute+0x129/0x180 [ 1334.223336][ T3767] addrconf_add_dev+0xe2/0x170 [ 1334.223336][ T3767] inet6_addr_add+0x12f/0xa40 [ 1334.223336][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1334.223336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.223336][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.223336][ T3767] netlink_unicast+0x449/0x710 [ 1334.223336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.223336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.223336][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.223336][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.223336][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.223336][ T3767] [ 1334.225563][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1334.225563][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1334.225563][ T3767] ipv6_find_idev+0x102/0x170 [ 1334.225563][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.225563][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.225563][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.225563][ T3767] netlink_unicast+0x449/0x710 [ 1334.225563][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.225563][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.225563][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.225563][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.225563][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.225563][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.225563][ T3767] [ 1334.227312][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1334.227312][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1334.227312][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1334.227312][ T3767] ipv6_find_idev+0x102/0x170 [ 1334.227312][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1334.227312][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1334.227312][ T3767] netlink_rcv_skb+0x130/0x360 [ 1334.227312][ T3767] netlink_unicast+0x449/0x710 [ 1334.227312][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1334.227312][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1334.227312][ T3767] ___sys_sendmsg+0xee/0x170 [ 1334.227312][ T3767] __sys_sendmsg+0xcd/0x170 [ 1334.227312][ T3767] do_syscall_64+0xc6/0x1e0 [ 1334.227312][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1334.227312][ T3767] [ 1344.336016][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1344.336478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1344.336478][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1344.336478][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1344.336478][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1344.336478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1344.336478][ T3767] ip6_route_add+0x1c/0x140 [ 1344.336478][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1344.336478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.336478][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.336478][ T3767] netlink_unicast+0x449/0x710 [ 1344.336478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.336478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.336478][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.336478][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.336478][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.336478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1344.336478][ T3767] [ 1344.339012][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1344.339012][ T3767] netdev_get_by_index+0x5e/0x80 [ 1344.339012][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1344.339012][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1344.339012][ T3767] ip6_route_add+0x1c/0x140 [ 1344.339012][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1344.339012][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1344.339012][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1344.339012][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.339012][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.339012][ T3767] netlink_unicast+0x449/0x710 [ 1344.339012][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.339012][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.339012][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.339012][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.339012][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.339012][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1344.339012][ T3767] [ 1344.341263][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1344.341263][ T3767] netdev_get_by_index+0x5e/0x80 [ 1344.341263][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1344.341263][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1344.341263][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1344.341263][ T3767] ipv6_add_addr+0x411/0x2000 [ 1344.341263][ T3767] inet6_addr_add+0x30e/0xa40 [ 1344.341263][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1344.341263][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.341263][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.341263][ T3767] netlink_unicast+0x449/0x710 [ 1344.341263][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.341263][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.341263][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.341263][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.341263][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.341263][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1344.341263][ T3767] [ 1344.343513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1344.343513][ T3767] netdev_get_by_index+0x5e/0x80 [ 1344.343513][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1344.343513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1344.343513][ T3767] ip6_route_add+0x1c/0x140 [ 1344.343513][ T3767] addrconf_add_mroute+0x129/0x180 [ 1344.343513][ T3767] addrconf_add_dev+0xe2/0x170 [ 1344.343513][ T3767] inet6_addr_add+0x12f/0xa40 [ 1344.343513][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1344.343513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.343513][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.343513][ T3767] netlink_unicast+0x449/0x710 [ 1344.343513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.343513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.343513][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.343513][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.343513][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.343513][ T3767] [ 1344.345689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1344.345689][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1344.345689][ T3767] ipv6_find_idev+0x102/0x170 [ 1344.345689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1344.345689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.345689][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.345689][ T3767] netlink_unicast+0x449/0x710 [ 1344.345689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.345689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.345689][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.345689][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.345689][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.345689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1344.345689][ T3767] [ 1344.347403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1344.347403][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1344.347403][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1344.347403][ T3767] ipv6_find_idev+0x102/0x170 [ 1344.347403][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1344.347403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1344.347403][ T3767] netlink_rcv_skb+0x130/0x360 [ 1344.347403][ T3767] netlink_unicast+0x449/0x710 [ 1344.347403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1344.347403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1344.347403][ T3767] ___sys_sendmsg+0xee/0x170 [ 1344.347403][ T3767] __sys_sendmsg+0xcd/0x170 [ 1344.347403][ T3767] do_syscall_64+0xc6/0x1e0 [ 1344.347403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1344.347403][ T3767] [ 1354.592010][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1354.592539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1354.592539][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1354.592539][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1354.592539][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1354.592539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1354.592539][ T3767] ip6_route_add+0x1c/0x140 [ 1354.592539][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1354.592539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.592539][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.592539][ T3767] netlink_unicast+0x449/0x710 [ 1354.592539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.592539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.592539][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.592539][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.592539][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.592539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1354.592539][ T3767] [ 1354.594655][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1354.594655][ T3767] netdev_get_by_index+0x5e/0x80 [ 1354.594655][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1354.594655][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1354.594655][ T3767] ip6_route_add+0x1c/0x140 [ 1354.594655][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1354.594655][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1354.594655][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1354.594655][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.594655][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.594655][ T3767] netlink_unicast+0x449/0x710 [ 1354.594655][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.594655][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.594655][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.594655][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.594655][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.594655][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1354.594655][ T3767] [ 1354.596916][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1354.596916][ T3767] netdev_get_by_index+0x5e/0x80 [ 1354.596916][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1354.596916][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1354.596916][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1354.596916][ T3767] ipv6_add_addr+0x411/0x2000 [ 1354.596916][ T3767] inet6_addr_add+0x30e/0xa40 [ 1354.596916][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1354.596916][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.596916][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.596916][ T3767] netlink_unicast+0x449/0x710 [ 1354.596916][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.596916][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.596916][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.596916][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.596916][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.596916][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1354.596916][ T3767] [ 1354.599161][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1354.599161][ T3767] netdev_get_by_index+0x5e/0x80 [ 1354.599161][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1354.599161][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1354.599161][ T3767] ip6_route_add+0x1c/0x140 [ 1354.599161][ T3767] addrconf_add_mroute+0x129/0x180 [ 1354.599161][ T3767] addrconf_add_dev+0xe2/0x170 [ 1354.599161][ T3767] inet6_addr_add+0x12f/0xa40 [ 1354.599161][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1354.599161][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.599161][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.599161][ T3767] netlink_unicast+0x449/0x710 [ 1354.599161][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.599161][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.599161][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.599161][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.599161][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.599161][ T3767] [ 1354.601362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1354.601362][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1354.601362][ T3767] ipv6_find_idev+0x102/0x170 [ 1354.601362][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1354.601362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.601362][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.601362][ T3767] netlink_unicast+0x449/0x710 [ 1354.601362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.601362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.601362][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.601362][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.601362][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.601362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1354.601362][ T3767] [ 1354.603068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1354.603068][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1354.603068][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1354.603068][ T3767] ipv6_find_idev+0x102/0x170 [ 1354.603068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1354.603068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1354.603068][ T3767] netlink_rcv_skb+0x130/0x360 [ 1354.603068][ T3767] netlink_unicast+0x449/0x710 [ 1354.603068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1354.603068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1354.603068][ T3767] ___sys_sendmsg+0xee/0x170 [ 1354.603068][ T3767] __sys_sendmsg+0xcd/0x170 [ 1354.603068][ T3767] do_syscall_64+0xc6/0x1e0 [ 1354.603068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1354.603068][ T3767] [ 1364.847990][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1364.848464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1364.848464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1364.848464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1364.848464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1364.848464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1364.848464][ T3767] ip6_route_add+0x1c/0x140 [ 1364.848464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1364.848464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.848464][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.848464][ T3767] netlink_unicast+0x449/0x710 [ 1364.848464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.848464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.848464][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.848464][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.848464][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.848464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1364.848464][ T3767] [ 1364.850678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1364.850678][ T3767] netdev_get_by_index+0x5e/0x80 [ 1364.850678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1364.850678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1364.850678][ T3767] ip6_route_add+0x1c/0x140 [ 1364.850678][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1364.850678][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1364.850678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1364.850678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.850678][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.850678][ T3767] netlink_unicast+0x449/0x710 [ 1364.850678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.850678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.850678][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.850678][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.850678][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.850678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1364.850678][ T3767] [ 1364.852948][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1364.852948][ T3767] netdev_get_by_index+0x5e/0x80 [ 1364.852948][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1364.852948][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1364.852948][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1364.852948][ T3767] ipv6_add_addr+0x411/0x2000 [ 1364.852948][ T3767] inet6_addr_add+0x30e/0xa40 [ 1364.852948][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1364.852948][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.852948][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.852948][ T3767] netlink_unicast+0x449/0x710 [ 1364.852948][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.852948][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.852948][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.852948][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.852948][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.852948][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1364.852948][ T3767] [ 1364.855198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1364.855198][ T3767] netdev_get_by_index+0x5e/0x80 [ 1364.855198][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1364.855198][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1364.855198][ T3767] ip6_route_add+0x1c/0x140 [ 1364.855198][ T3767] addrconf_add_mroute+0x129/0x180 [ 1364.855198][ T3767] addrconf_add_dev+0xe2/0x170 [ 1364.855198][ T3767] inet6_addr_add+0x12f/0xa40 [ 1364.855198][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1364.855198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.855198][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.855198][ T3767] netlink_unicast+0x449/0x710 [ 1364.855198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.855198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.855198][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.855198][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.855198][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.855198][ T3767] [ 1364.857395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1364.857395][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1364.857395][ T3767] ipv6_find_idev+0x102/0x170 [ 1364.857395][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1364.857395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.857395][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.857395][ T3767] netlink_unicast+0x449/0x710 [ 1364.857395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.857395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.857395][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.857395][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.857395][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.857395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1364.857395][ T3767] [ 1364.859124][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1364.859124][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1364.859124][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1364.859124][ T3767] ipv6_find_idev+0x102/0x170 [ 1364.859124][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1364.859124][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1364.859124][ T3767] netlink_rcv_skb+0x130/0x360 [ 1364.859124][ T3767] netlink_unicast+0x449/0x710 [ 1364.859124][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1364.859124][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1364.859124][ T3767] ___sys_sendmsg+0xee/0x170 [ 1364.859124][ T3767] __sys_sendmsg+0xcd/0x170 [ 1364.859124][ T3767] do_syscall_64+0xc6/0x1e0 [ 1364.859124][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1364.859124][ T3767] [ 1375.103956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1375.104411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1375.104411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1375.104411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1375.104411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1375.104411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1375.104411][ T3767] ip6_route_add+0x1c/0x140 [ 1375.104411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1375.104411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.104411][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.104411][ T3767] netlink_unicast+0x449/0x710 [ 1375.104411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.104411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.104411][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.104411][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.104411][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.104411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.104411][ T3767] [ 1375.106612][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1375.106612][ T3767] netdev_get_by_index+0x5e/0x80 [ 1375.106612][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1375.106612][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1375.106612][ T3767] ip6_route_add+0x1c/0x140 [ 1375.106612][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1375.106612][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1375.106612][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.106612][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.106612][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.106612][ T3767] netlink_unicast+0x449/0x710 [ 1375.106612][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.106612][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.106612][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.106612][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.106612][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.106612][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.106612][ T3767] [ 1375.108865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1375.108865][ T3767] netdev_get_by_index+0x5e/0x80 [ 1375.108865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1375.108865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1375.108865][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1375.108865][ T3767] ipv6_add_addr+0x411/0x2000 [ 1375.108865][ T3767] inet6_addr_add+0x30e/0xa40 [ 1375.108865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.108865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.108865][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.108865][ T3767] netlink_unicast+0x449/0x710 [ 1375.108865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.108865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.108865][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.108865][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.108865][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.108865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.108865][ T3767] [ 1375.111096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1375.111096][ T3767] netdev_get_by_index+0x5e/0x80 [ 1375.111096][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1375.111096][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1375.111096][ T3767] ip6_route_add+0x1c/0x140 [ 1375.111096][ T3767] addrconf_add_mroute+0x129/0x180 [ 1375.111096][ T3767] addrconf_add_dev+0xe2/0x170 [ 1375.111096][ T3767] inet6_addr_add+0x12f/0xa40 [ 1375.111096][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1375.111096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.111096][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.111096][ T3767] netlink_unicast+0x449/0x710 [ 1375.111096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.111096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.111096][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.111096][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.111096][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.111096][ T3767] [ 1375.113270][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1375.113270][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1375.113270][ T3767] ipv6_find_idev+0x102/0x170 [ 1375.113270][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.113270][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.113270][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.113270][ T3767] netlink_unicast+0x449/0x710 [ 1375.113270][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.113270][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.113270][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.113270][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.113270][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.113270][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.113270][ T3767] [ 1375.114972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1375.114972][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1375.114972][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1375.114972][ T3767] ipv6_find_idev+0x102/0x170 [ 1375.114972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1375.114972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1375.114972][ T3767] netlink_rcv_skb+0x130/0x360 [ 1375.114972][ T3767] netlink_unicast+0x449/0x710 [ 1375.114972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1375.114972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1375.114972][ T3767] ___sys_sendmsg+0xee/0x170 [ 1375.114972][ T3767] __sys_sendmsg+0xcd/0x170 [ 1375.114972][ T3767] do_syscall_64+0xc6/0x1e0 [ 1375.114972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1375.114972][ T3767] [ 1385.359983][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1385.360526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1385.360526][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1385.360526][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1385.360526][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1385.360526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1385.360526][ T3767] ip6_route_add+0x1c/0x140 [ 1385.360526][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1385.360526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.360526][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.360526][ T3767] netlink_unicast+0x449/0x710 [ 1385.360526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.360526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.360526][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.360526][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.360526][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.360526][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.360526][ T3767] [ 1385.362635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1385.362635][ T3767] netdev_get_by_index+0x5e/0x80 [ 1385.362635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1385.362635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1385.362635][ T3767] ip6_route_add+0x1c/0x140 [ 1385.362635][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1385.362635][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1385.362635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.362635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.362635][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.362635][ T3767] netlink_unicast+0x449/0x710 [ 1385.362635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.362635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.362635][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.362635][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.362635][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.362635][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.362635][ T3767] [ 1385.364857][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1385.364857][ T3767] netdev_get_by_index+0x5e/0x80 [ 1385.364857][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1385.364857][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1385.364857][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1385.364857][ T3767] ipv6_add_addr+0x411/0x2000 [ 1385.364857][ T3767] inet6_addr_add+0x30e/0xa40 [ 1385.364857][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.364857][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.364857][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.364857][ T3767] netlink_unicast+0x449/0x710 [ 1385.364857][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.364857][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.364857][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.364857][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.364857][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.364857][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.364857][ T3767] [ 1385.367072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1385.367072][ T3767] netdev_get_by_index+0x5e/0x80 [ 1385.367072][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1385.367072][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1385.367072][ T3767] ip6_route_add+0x1c/0x140 [ 1385.367072][ T3767] addrconf_add_mroute+0x129/0x180 [ 1385.367072][ T3767] addrconf_add_dev+0xe2/0x170 [ 1385.367072][ T3767] inet6_addr_add+0x12f/0xa40 [ 1385.367072][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1385.367072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.367072][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.367072][ T3767] netlink_unicast+0x449/0x710 [ 1385.367072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.367072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.367072][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.367072][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.367072][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.367072][ T3767] [ 1385.369269][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1385.369269][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1385.369269][ T3767] ipv6_find_idev+0x102/0x170 [ 1385.369269][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.369269][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.369269][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.369269][ T3767] netlink_unicast+0x449/0x710 [ 1385.369269][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.369269][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.369269][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.369269][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.369269][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.369269][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.369269][ T3767] [ 1385.370993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1385.370993][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1385.370993][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1385.370993][ T3767] ipv6_find_idev+0x102/0x170 [ 1385.370993][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1385.370993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1385.370993][ T3767] netlink_rcv_skb+0x130/0x360 [ 1385.370993][ T3767] netlink_unicast+0x449/0x710 [ 1385.370993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1385.370993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1385.370993][ T3767] ___sys_sendmsg+0xee/0x170 [ 1385.370993][ T3767] __sys_sendmsg+0xcd/0x170 [ 1385.370993][ T3767] do_syscall_64+0xc6/0x1e0 [ 1385.370993][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1385.370993][ T3767] [ 1395.624062][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1395.624515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1395.624515][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1395.624515][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1395.624515][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1395.624515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1395.624515][ T3767] ip6_route_add+0x1c/0x140 [ 1395.624515][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1395.624515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.624515][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.624515][ T3767] netlink_unicast+0x449/0x710 [ 1395.624515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.624515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.624515][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.624515][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.624515][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.624515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1395.624515][ T3767] [ 1395.626641][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1395.626641][ T3767] netdev_get_by_index+0x5e/0x80 [ 1395.626641][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1395.626641][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1395.626641][ T3767] ip6_route_add+0x1c/0x140 [ 1395.626641][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1395.626641][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1395.626641][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1395.626641][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.626641][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.626641][ T3767] netlink_unicast+0x449/0x710 [ 1395.626641][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.626641][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.626641][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.626641][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.626641][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.626641][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1395.626641][ T3767] [ 1395.628856][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1395.628856][ T3767] netdev_get_by_index+0x5e/0x80 [ 1395.628856][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1395.628856][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1395.628856][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1395.628856][ T3767] ipv6_add_addr+0x411/0x2000 [ 1395.628856][ T3767] inet6_addr_add+0x30e/0xa40 [ 1395.628856][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1395.628856][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.628856][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.628856][ T3767] netlink_unicast+0x449/0x710 [ 1395.628856][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.628856][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.628856][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.628856][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.628856][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.628856][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1395.628856][ T3767] [ 1395.631130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1395.631130][ T3767] netdev_get_by_index+0x5e/0x80 [ 1395.631130][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1395.631130][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1395.631130][ T3767] ip6_route_add+0x1c/0x140 [ 1395.631130][ T3767] addrconf_add_mroute+0x129/0x180 [ 1395.631130][ T3767] addrconf_add_dev+0xe2/0x170 [ 1395.631130][ T3767] inet6_addr_add+0x12f/0xa40 [ 1395.631130][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1395.631130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.631130][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.631130][ T3767] netlink_unicast+0x449/0x710 [ 1395.631130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.631130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.631130][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.631130][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.631130][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.631130][ T3767] [ 1395.633306][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1395.633306][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1395.633306][ T3767] ipv6_find_idev+0x102/0x170 [ 1395.633306][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1395.633306][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.633306][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.633306][ T3767] netlink_unicast+0x449/0x710 [ 1395.633306][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.633306][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.633306][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.633306][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.633306][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.633306][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1395.633306][ T3767] [ 1395.635010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1395.635010][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1395.635010][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1395.635010][ T3767] ipv6_find_idev+0x102/0x170 [ 1395.635010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1395.635010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1395.635010][ T3767] netlink_rcv_skb+0x130/0x360 [ 1395.635010][ T3767] netlink_unicast+0x449/0x710 [ 1395.635010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1395.635010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1395.635010][ T3767] ___sys_sendmsg+0xee/0x170 [ 1395.635010][ T3767] __sys_sendmsg+0xcd/0x170 [ 1395.635010][ T3767] do_syscall_64+0xc6/0x1e0 [ 1395.635010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1395.635010][ T3767] [ 1405.879890][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1405.880362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1405.880362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1405.880362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1405.880362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1405.880362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1405.880362][ T3767] ip6_route_add+0x1c/0x140 [ 1405.880362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1405.880362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.880362][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.880362][ T3767] netlink_unicast+0x449/0x710 [ 1405.880362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.880362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.880362][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.880362][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.880362][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.880362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1405.880362][ T3767] [ 1405.882595][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1405.882595][ T3767] netdev_get_by_index+0x5e/0x80 [ 1405.882595][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1405.882595][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1405.882595][ T3767] ip6_route_add+0x1c/0x140 [ 1405.882595][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1405.882595][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1405.882595][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1405.882595][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.882595][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.882595][ T3767] netlink_unicast+0x449/0x710 [ 1405.882595][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.882595][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.882595][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.882595][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.882595][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.882595][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1405.882595][ T3767] [ 1405.884942][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1405.884942][ T3767] netdev_get_by_index+0x5e/0x80 [ 1405.884942][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1405.884942][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1405.884942][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1405.884942][ T3767] ipv6_add_addr+0x411/0x2000 [ 1405.884942][ T3767] inet6_addr_add+0x30e/0xa40 [ 1405.884942][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1405.884942][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.884942][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.884942][ T3767] netlink_unicast+0x449/0x710 [ 1405.884942][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.884942][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.884942][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.884942][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.884942][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.884942][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1405.884942][ T3767] [ 1405.887289][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1405.887289][ T3767] netdev_get_by_index+0x5e/0x80 [ 1405.887289][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1405.887289][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1405.887289][ T3767] ip6_route_add+0x1c/0x140 [ 1405.887289][ T3767] addrconf_add_mroute+0x129/0x180 [ 1405.887289][ T3767] addrconf_add_dev+0xe2/0x170 [ 1405.887289][ T3767] inet6_addr_add+0x12f/0xa40 [ 1405.887289][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1405.887289][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.887289][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.887289][ T3767] netlink_unicast+0x449/0x710 [ 1405.887289][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.887289][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.887289][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.887289][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.887289][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.887289][ T3767] [ 1405.889601][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1405.889601][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1405.889601][ T3767] ipv6_find_idev+0x102/0x170 [ 1405.889601][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1405.889601][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.889601][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.889601][ T3767] netlink_unicast+0x449/0x710 [ 1405.889601][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.889601][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.889601][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.889601][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.889601][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.889601][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1405.889601][ T3767] [ 1405.891428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1405.891428][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1405.891428][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1405.891428][ T3767] ipv6_find_idev+0x102/0x170 [ 1405.891428][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1405.891428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1405.891428][ T3767] netlink_rcv_skb+0x130/0x360 [ 1405.891428][ T3767] netlink_unicast+0x449/0x710 [ 1405.891428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1405.891428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1405.891428][ T3767] ___sys_sendmsg+0xee/0x170 [ 1405.891428][ T3767] __sys_sendmsg+0xcd/0x170 [ 1405.891428][ T3767] do_syscall_64+0xc6/0x1e0 [ 1405.891428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1405.891428][ T3767] [ 1416.135977][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1416.136453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1416.136453][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1416.136453][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1416.136453][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1416.136453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1416.136453][ T3767] ip6_route_add+0x1c/0x140 [ 1416.136453][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1416.136453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.136453][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.136453][ T3767] netlink_unicast+0x449/0x710 [ 1416.136453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.136453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.136453][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.136453][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.136453][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.136453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.136453][ T3767] [ 1416.138690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1416.138690][ T3767] netdev_get_by_index+0x5e/0x80 [ 1416.138690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1416.138690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1416.138690][ T3767] ip6_route_add+0x1c/0x140 [ 1416.138690][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1416.138690][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1416.138690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.138690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.138690][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.138690][ T3767] netlink_unicast+0x449/0x710 [ 1416.138690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.138690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.138690][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.138690][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.138690][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.138690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.138690][ T3767] [ 1416.140935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1416.140935][ T3767] netdev_get_by_index+0x5e/0x80 [ 1416.140935][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1416.140935][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1416.140935][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1416.140935][ T3767] ipv6_add_addr+0x411/0x2000 [ 1416.140935][ T3767] inet6_addr_add+0x30e/0xa40 [ 1416.140935][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.140935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.140935][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.140935][ T3767] netlink_unicast+0x449/0x710 [ 1416.140935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.140935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.140935][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.140935][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.140935][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.140935][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.140935][ T3767] [ 1416.143172][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1416.143172][ T3767] netdev_get_by_index+0x5e/0x80 [ 1416.143172][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1416.143172][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1416.143172][ T3767] ip6_route_add+0x1c/0x140 [ 1416.143172][ T3767] addrconf_add_mroute+0x129/0x180 [ 1416.143172][ T3767] addrconf_add_dev+0xe2/0x170 [ 1416.143172][ T3767] inet6_addr_add+0x12f/0xa40 [ 1416.143172][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1416.143172][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.143172][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.143172][ T3767] netlink_unicast+0x449/0x710 [ 1416.143172][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.143172][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.143172][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.143172][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.143172][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.143172][ T3767] [ 1416.145337][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1416.145337][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1416.145337][ T3767] ipv6_find_idev+0x102/0x170 [ 1416.145337][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.145337][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.145337][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.145337][ T3767] netlink_unicast+0x449/0x710 [ 1416.145337][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.145337][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.145337][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.145337][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.145337][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.145337][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.145337][ T3767] [ 1416.147066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1416.147066][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1416.147066][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1416.147066][ T3767] ipv6_find_idev+0x102/0x170 [ 1416.147066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1416.147066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1416.147066][ T3767] netlink_rcv_skb+0x130/0x360 [ 1416.147066][ T3767] netlink_unicast+0x449/0x710 [ 1416.147066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1416.147066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1416.147066][ T3767] ___sys_sendmsg+0xee/0x170 [ 1416.147066][ T3767] __sys_sendmsg+0xcd/0x170 [ 1416.147066][ T3767] do_syscall_64+0xc6/0x1e0 [ 1416.147066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1416.147066][ T3767] [ 1426.399874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1426.400319][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1426.400319][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1426.400319][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1426.400319][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1426.400319][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1426.400319][ T3767] ip6_route_add+0x1c/0x140 [ 1426.400319][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1426.400319][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.400319][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.400319][ T3767] netlink_unicast+0x449/0x710 [ 1426.400319][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.400319][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.400319][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.400319][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.400319][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.400319][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.400319][ T3767] [ 1426.402411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1426.402411][ T3767] netdev_get_by_index+0x5e/0x80 [ 1426.402411][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1426.402411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1426.402411][ T3767] ip6_route_add+0x1c/0x140 [ 1426.402411][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1426.402411][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1426.402411][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.402411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.402411][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.402411][ T3767] netlink_unicast+0x449/0x710 [ 1426.402411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.402411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.402411][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.402411][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.402411][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.402411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.402411][ T3767] [ 1426.404658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1426.404658][ T3767] netdev_get_by_index+0x5e/0x80 [ 1426.404658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1426.404658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1426.404658][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1426.404658][ T3767] ipv6_add_addr+0x411/0x2000 [ 1426.404658][ T3767] inet6_addr_add+0x30e/0xa40 [ 1426.404658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.404658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.404658][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.404658][ T3767] netlink_unicast+0x449/0x710 [ 1426.404658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.404658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.404658][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.404658][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.404658][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.404658][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.404658][ T3767] [ 1426.406871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1426.406871][ T3767] netdev_get_by_index+0x5e/0x80 [ 1426.406871][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1426.406871][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1426.406871][ T3767] ip6_route_add+0x1c/0x140 [ 1426.406871][ T3767] addrconf_add_mroute+0x129/0x180 [ 1426.406871][ T3767] addrconf_add_dev+0xe2/0x170 [ 1426.406871][ T3767] inet6_addr_add+0x12f/0xa40 [ 1426.406871][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1426.406871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.406871][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.406871][ T3767] netlink_unicast+0x449/0x710 [ 1426.406871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.406871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.406871][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.406871][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.406871][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.406871][ T3767] [ 1426.409042][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1426.409042][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1426.409042][ T3767] ipv6_find_idev+0x102/0x170 [ 1426.409042][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.409042][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.409042][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.409042][ T3767] netlink_unicast+0x449/0x710 [ 1426.409042][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.409042][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.409042][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.409042][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.409042][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.409042][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.409042][ T3767] [ 1426.410745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1426.410745][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1426.410745][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1426.410745][ T3767] ipv6_find_idev+0x102/0x170 [ 1426.410745][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1426.410745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1426.410745][ T3767] netlink_rcv_skb+0x130/0x360 [ 1426.410745][ T3767] netlink_unicast+0x449/0x710 [ 1426.410745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1426.410745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1426.410745][ T3767] ___sys_sendmsg+0xee/0x170 [ 1426.410745][ T3767] __sys_sendmsg+0xcd/0x170 [ 1426.410745][ T3767] do_syscall_64+0xc6/0x1e0 [ 1426.410745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1426.410745][ T3767] [ 1436.663895][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1436.664567][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1436.664567][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1436.664567][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1436.664567][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1436.664567][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1436.664567][ T3767] ip6_route_add+0x1c/0x140 [ 1436.664567][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1436.664567][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.664567][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.664567][ T3767] netlink_unicast+0x449/0x710 [ 1436.664567][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.664567][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.664567][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.664567][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.664567][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.664567][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1436.664567][ T3767] [ 1436.668290][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1436.668290][ T3767] netdev_get_by_index+0x5e/0x80 [ 1436.668290][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1436.668290][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1436.668290][ T3767] ip6_route_add+0x1c/0x140 [ 1436.668290][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1436.668290][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1436.668290][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1436.668290][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.668290][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.668290][ T3767] netlink_unicast+0x449/0x710 [ 1436.668290][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.668290][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.668290][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.668290][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.668290][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.668290][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1436.668290][ T3767] [ 1436.672180][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1436.672180][ T3767] netdev_get_by_index+0x5e/0x80 [ 1436.672180][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1436.672180][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1436.672180][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1436.672180][ T3767] ipv6_add_addr+0x411/0x2000 [ 1436.672180][ T3767] inet6_addr_add+0x30e/0xa40 [ 1436.672180][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1436.672180][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.672180][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.672180][ T3767] netlink_unicast+0x449/0x710 [ 1436.672180][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.672180][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.672180][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.672180][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.672180][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.672180][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1436.672180][ T3767] [ 1436.676060][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1436.676060][ T3767] netdev_get_by_index+0x5e/0x80 [ 1436.676060][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1436.676060][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1436.676060][ T3767] ip6_route_add+0x1c/0x140 [ 1436.676060][ T3767] addrconf_add_mroute+0x129/0x180 [ 1436.676060][ T3767] addrconf_add_dev+0xe2/0x170 [ 1436.676060][ T3767] inet6_addr_add+0x12f/0xa40 [ 1436.676060][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1436.676060][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.676060][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.676060][ T3767] netlink_unicast+0x449/0x710 [ 1436.676060][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.676060][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.676060][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.676060][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.676060][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.676060][ T3767] [ 1436.679918][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1436.679918][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1436.679918][ T3767] ipv6_find_idev+0x102/0x170 [ 1436.679918][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1436.679918][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.679918][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.679918][ T3767] netlink_unicast+0x449/0x710 [ 1436.679918][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.679918][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.679918][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.679918][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.679918][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.679918][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1436.679918][ T3767] [ 1436.682911][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1436.682911][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1436.682911][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1436.682911][ T3767] ipv6_find_idev+0x102/0x170 [ 1436.682911][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1436.682911][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1436.682911][ T3767] netlink_rcv_skb+0x130/0x360 [ 1436.682911][ T3767] netlink_unicast+0x449/0x710 [ 1436.682911][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1436.682911][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1436.682911][ T3767] ___sys_sendmsg+0xee/0x170 [ 1436.682911][ T3767] __sys_sendmsg+0xcd/0x170 [ 1436.682911][ T3767] do_syscall_64+0xc6/0x1e0 [ 1436.682911][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1436.682911][ T3767] [ 1446.935964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1446.936510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1446.936510][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1446.936510][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1446.936510][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1446.936510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1446.936510][ T3767] ip6_route_add+0x1c/0x140 [ 1446.936510][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1446.936510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.936510][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.936510][ T3767] netlink_unicast+0x449/0x710 [ 1446.936510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.936510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.936510][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.936510][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.936510][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.936510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1446.936510][ T3767] [ 1446.938843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1446.938843][ T3767] netdev_get_by_index+0x5e/0x80 [ 1446.938843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1446.938843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1446.938843][ T3767] ip6_route_add+0x1c/0x140 [ 1446.938843][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1446.938843][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1446.938843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1446.938843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.938843][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.938843][ T3767] netlink_unicast+0x449/0x710 [ 1446.938843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.938843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.938843][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.938843][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.938843][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.938843][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1446.938843][ T3767] [ 1446.941320][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1446.941320][ T3767] netdev_get_by_index+0x5e/0x80 [ 1446.941320][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1446.941320][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1446.941320][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1446.941320][ T3767] ipv6_add_addr+0x411/0x2000 [ 1446.941320][ T3767] inet6_addr_add+0x30e/0xa40 [ 1446.941320][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1446.941320][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.941320][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.941320][ T3767] netlink_unicast+0x449/0x710 [ 1446.941320][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.941320][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.941320][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.941320][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.941320][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.941320][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1446.941320][ T3767] [ 1446.943769][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1446.943769][ T3767] netdev_get_by_index+0x5e/0x80 [ 1446.943769][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1446.943769][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1446.943769][ T3767] ip6_route_add+0x1c/0x140 [ 1446.943769][ T3767] addrconf_add_mroute+0x129/0x180 [ 1446.943769][ T3767] addrconf_add_dev+0xe2/0x170 [ 1446.943769][ T3767] inet6_addr_add+0x12f/0xa40 [ 1446.943769][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1446.943769][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.943769][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.943769][ T3767] netlink_unicast+0x449/0x710 [ 1446.943769][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.943769][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.943769][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.943769][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.943769][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.943769][ T3767] [ 1446.946163][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1446.946163][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1446.946163][ T3767] ipv6_find_idev+0x102/0x170 [ 1446.946163][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1446.946163][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.946163][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.946163][ T3767] netlink_unicast+0x449/0x710 [ 1446.946163][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.946163][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.946163][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.946163][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.946163][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.946163][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1446.946163][ T3767] [ 1446.948083][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1446.948083][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1446.948083][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1446.948083][ T3767] ipv6_find_idev+0x102/0x170 [ 1446.948083][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1446.948083][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1446.948083][ T3767] netlink_rcv_skb+0x130/0x360 [ 1446.948083][ T3767] netlink_unicast+0x449/0x710 [ 1446.948083][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1446.948083][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1446.948083][ T3767] ___sys_sendmsg+0xee/0x170 [ 1446.948083][ T3767] __sys_sendmsg+0xcd/0x170 [ 1446.948083][ T3767] do_syscall_64+0xc6/0x1e0 [ 1446.948083][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1446.948083][ T3767] [ 1457.191978][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1457.192421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1457.192421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1457.192421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1457.192421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1457.192421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1457.192421][ T3767] ip6_route_add+0x1c/0x140 [ 1457.192421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1457.192421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.192421][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.192421][ T3767] netlink_unicast+0x449/0x710 [ 1457.192421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.192421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.192421][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.192421][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.192421][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.192421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.192421][ T3767] [ 1457.194509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1457.194509][ T3767] netdev_get_by_index+0x5e/0x80 [ 1457.194509][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1457.194509][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1457.194509][ T3767] ip6_route_add+0x1c/0x140 [ 1457.194509][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1457.194509][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1457.194509][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.194509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.194509][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.194509][ T3767] netlink_unicast+0x449/0x710 [ 1457.194509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.194509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.194509][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.194509][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.194509][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.194509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.194509][ T3767] [ 1457.196713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1457.196713][ T3767] netdev_get_by_index+0x5e/0x80 [ 1457.196713][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1457.196713][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1457.196713][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1457.196713][ T3767] ipv6_add_addr+0x411/0x2000 [ 1457.196713][ T3767] inet6_addr_add+0x30e/0xa40 [ 1457.196713][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.196713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.196713][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.196713][ T3767] netlink_unicast+0x449/0x710 [ 1457.196713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.196713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.196713][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.196713][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.196713][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.196713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.196713][ T3767] [ 1457.198933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1457.198933][ T3767] netdev_get_by_index+0x5e/0x80 [ 1457.198933][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1457.198933][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1457.198933][ T3767] ip6_route_add+0x1c/0x140 [ 1457.198933][ T3767] addrconf_add_mroute+0x129/0x180 [ 1457.198933][ T3767] addrconf_add_dev+0xe2/0x170 [ 1457.198933][ T3767] inet6_addr_add+0x12f/0xa40 [ 1457.198933][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1457.198933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.198933][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.198933][ T3767] netlink_unicast+0x449/0x710 [ 1457.198933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.198933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.198933][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.198933][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.198933][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.198933][ T3767] [ 1457.201142][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1457.201142][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1457.201142][ T3767] ipv6_find_idev+0x102/0x170 [ 1457.201142][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.201142][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.201142][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.201142][ T3767] netlink_unicast+0x449/0x710 [ 1457.201142][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.201142][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.201142][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.201142][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.201142][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.201142][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.201142][ T3767] [ 1457.202839][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1457.202839][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1457.202839][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1457.202839][ T3767] ipv6_find_idev+0x102/0x170 [ 1457.202839][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1457.202839][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1457.202839][ T3767] netlink_rcv_skb+0x130/0x360 [ 1457.202839][ T3767] netlink_unicast+0x449/0x710 [ 1457.202839][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1457.202839][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1457.202839][ T3767] ___sys_sendmsg+0xee/0x170 [ 1457.202839][ T3767] __sys_sendmsg+0xcd/0x170 [ 1457.202839][ T3767] do_syscall_64+0xc6/0x1e0 [ 1457.202839][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1457.202839][ T3767] [ 1467.455906][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1467.456328][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1467.456328][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1467.456328][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1467.456328][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1467.456328][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1467.456328][ T3767] ip6_route_add+0x1c/0x140 [ 1467.456328][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1467.456328][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.456328][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.456328][ T3767] netlink_unicast+0x449/0x710 [ 1467.456328][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.456328][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.456328][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.456328][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.456328][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.456328][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.456328][ T3767] [ 1467.458399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1467.458399][ T3767] netdev_get_by_index+0x5e/0x80 [ 1467.458399][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1467.458399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1467.458399][ T3767] ip6_route_add+0x1c/0x140 [ 1467.458399][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1467.458399][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1467.458399][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.458399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.458399][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.458399][ T3767] netlink_unicast+0x449/0x710 [ 1467.458399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.458399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.458399][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.458399][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.458399][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.458399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.458399][ T3767] [ 1467.460615][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1467.460615][ T3767] netdev_get_by_index+0x5e/0x80 [ 1467.460615][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1467.460615][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1467.460615][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1467.460615][ T3767] ipv6_add_addr+0x411/0x2000 [ 1467.460615][ T3767] inet6_addr_add+0x30e/0xa40 [ 1467.460615][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.460615][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.460615][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.460615][ T3767] netlink_unicast+0x449/0x710 [ 1467.460615][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.460615][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.460615][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.460615][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.460615][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.460615][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.460615][ T3767] [ 1467.462822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1467.462822][ T3767] netdev_get_by_index+0x5e/0x80 [ 1467.462822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1467.462822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1467.462822][ T3767] ip6_route_add+0x1c/0x140 [ 1467.462822][ T3767] addrconf_add_mroute+0x129/0x180 [ 1467.462822][ T3767] addrconf_add_dev+0xe2/0x170 [ 1467.462822][ T3767] inet6_addr_add+0x12f/0xa40 [ 1467.462822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1467.462822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.462822][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.462822][ T3767] netlink_unicast+0x449/0x710 [ 1467.462822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.462822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.462822][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.462822][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.462822][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.462822][ T3767] [ 1467.464997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1467.464997][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1467.464997][ T3767] ipv6_find_idev+0x102/0x170 [ 1467.464997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.464997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.464997][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.464997][ T3767] netlink_unicast+0x449/0x710 [ 1467.464997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.464997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.464997][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.464997][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.464997][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.464997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.464997][ T3767] [ 1467.466680][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1467.466680][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1467.466680][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1467.466680][ T3767] ipv6_find_idev+0x102/0x170 [ 1467.466680][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1467.466680][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1467.466680][ T3767] netlink_rcv_skb+0x130/0x360 [ 1467.466680][ T3767] netlink_unicast+0x449/0x710 [ 1467.466680][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1467.466680][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1467.466680][ T3767] ___sys_sendmsg+0xee/0x170 [ 1467.466680][ T3767] __sys_sendmsg+0xcd/0x170 [ 1467.466680][ T3767] do_syscall_64+0xc6/0x1e0 [ 1467.466680][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1467.466680][ T3767] [ 1477.719890][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1477.720424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1477.720424][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1477.720424][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1477.720424][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1477.720424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1477.720424][ T3767] ip6_route_add+0x1c/0x140 [ 1477.720424][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1477.720424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.720424][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.720424][ T3767] netlink_unicast+0x449/0x710 [ 1477.720424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.720424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.720424][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.720424][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.720424][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.720424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1477.720424][ T3767] [ 1477.722760][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1477.722760][ T3767] netdev_get_by_index+0x5e/0x80 [ 1477.722760][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1477.722760][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1477.722760][ T3767] ip6_route_add+0x1c/0x140 [ 1477.722760][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1477.722760][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1477.722760][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1477.722760][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.722760][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.722760][ T3767] netlink_unicast+0x449/0x710 [ 1477.722760][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.722760][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.722760][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.722760][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.722760][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.722760][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1477.722760][ T3767] [ 1477.725186][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1477.725186][ T3767] netdev_get_by_index+0x5e/0x80 [ 1477.725186][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1477.725186][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1477.725186][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1477.725186][ T3767] ipv6_add_addr+0x411/0x2000 [ 1477.725186][ T3767] inet6_addr_add+0x30e/0xa40 [ 1477.725186][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1477.725186][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.725186][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.725186][ T3767] netlink_unicast+0x449/0x710 [ 1477.725186][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.725186][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.725186][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.725186][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.725186][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.725186][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1477.725186][ T3767] [ 1477.727665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1477.727665][ T3767] netdev_get_by_index+0x5e/0x80 [ 1477.727665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1477.727665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1477.727665][ T3767] ip6_route_add+0x1c/0x140 [ 1477.727665][ T3767] addrconf_add_mroute+0x129/0x180 [ 1477.727665][ T3767] addrconf_add_dev+0xe2/0x170 [ 1477.727665][ T3767] inet6_addr_add+0x12f/0xa40 [ 1477.727665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1477.727665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.727665][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.727665][ T3767] netlink_unicast+0x449/0x710 [ 1477.727665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.727665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.727665][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.727665][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.727665][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.727665][ T3767] [ 1477.730088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1477.730088][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1477.730088][ T3767] ipv6_find_idev+0x102/0x170 [ 1477.730088][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1477.730088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.730088][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.730088][ T3767] netlink_unicast+0x449/0x710 [ 1477.730088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.730088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.730088][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.730088][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.730088][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.730088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1477.730088][ T3767] [ 1477.731987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1477.731987][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1477.731987][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1477.731987][ T3767] ipv6_find_idev+0x102/0x170 [ 1477.731987][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1477.731987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1477.731987][ T3767] netlink_rcv_skb+0x130/0x360 [ 1477.731987][ T3767] netlink_unicast+0x449/0x710 [ 1477.731987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1477.731987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1477.731987][ T3767] ___sys_sendmsg+0xee/0x170 [ 1477.731987][ T3767] __sys_sendmsg+0xcd/0x170 [ 1477.731987][ T3767] do_syscall_64+0xc6/0x1e0 [ 1477.731987][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1477.731987][ T3767] [ 1487.984046][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1487.984568][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1487.984568][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1487.984568][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1487.984568][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1487.984568][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1487.984568][ T3767] ip6_route_add+0x1c/0x140 [ 1487.984568][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1487.984568][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.984568][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.984568][ T3767] netlink_unicast+0x449/0x710 [ 1487.984568][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.984568][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.984568][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.984568][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.984568][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.984568][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1487.984568][ T3767] [ 1487.986673][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1487.986673][ T3767] netdev_get_by_index+0x5e/0x80 [ 1487.986673][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1487.986673][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1487.986673][ T3767] ip6_route_add+0x1c/0x140 [ 1487.986673][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1487.986673][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1487.986673][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1487.986673][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.986673][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.986673][ T3767] netlink_unicast+0x449/0x710 [ 1487.986673][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.986673][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.986673][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.986673][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.986673][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.986673][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1487.986673][ T3767] [ 1487.988906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1487.988906][ T3767] netdev_get_by_index+0x5e/0x80 [ 1487.988906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1487.988906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1487.988906][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1487.988906][ T3767] ipv6_add_addr+0x411/0x2000 [ 1487.988906][ T3767] inet6_addr_add+0x30e/0xa40 [ 1487.988906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1487.988906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.988906][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.988906][ T3767] netlink_unicast+0x449/0x710 [ 1487.988906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.988906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.988906][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.988906][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.988906][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.988906][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1487.988906][ T3767] [ 1487.991129][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1487.991129][ T3767] netdev_get_by_index+0x5e/0x80 [ 1487.991129][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1487.991129][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1487.991129][ T3767] ip6_route_add+0x1c/0x140 [ 1487.991129][ T3767] addrconf_add_mroute+0x129/0x180 [ 1487.991129][ T3767] addrconf_add_dev+0xe2/0x170 [ 1487.991129][ T3767] inet6_addr_add+0x12f/0xa40 [ 1487.991129][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1487.991129][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.991129][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.991129][ T3767] netlink_unicast+0x449/0x710 [ 1487.991129][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.991129][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.991129][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.991129][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.991129][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.991129][ T3767] [ 1487.993295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1487.993295][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1487.993295][ T3767] ipv6_find_idev+0x102/0x170 [ 1487.993295][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1487.993295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.993295][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.993295][ T3767] netlink_unicast+0x449/0x710 [ 1487.993295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.993295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.993295][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.993295][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.993295][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.993295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1487.993295][ T3767] [ 1487.994979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1487.994979][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1487.994979][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1487.994979][ T3767] ipv6_find_idev+0x102/0x170 [ 1487.994979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1487.994979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1487.994979][ T3767] netlink_rcv_skb+0x130/0x360 [ 1487.994979][ T3767] netlink_unicast+0x449/0x710 [ 1487.994979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1487.994979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1487.994979][ T3767] ___sys_sendmsg+0xee/0x170 [ 1487.994979][ T3767] __sys_sendmsg+0xcd/0x170 [ 1487.994979][ T3767] do_syscall_64+0xc6/0x1e0 [ 1487.994979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1487.994979][ T3767] [ 1498.247971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1498.248399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1498.248399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1498.248399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1498.248399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1498.248399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1498.248399][ T3767] ip6_route_add+0x1c/0x140 [ 1498.248399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1498.248399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.248399][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.248399][ T3767] netlink_unicast+0x449/0x710 [ 1498.248399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.248399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.248399][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.248399][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.248399][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.248399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.248399][ T3767] [ 1498.250510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1498.250510][ T3767] netdev_get_by_index+0x5e/0x80 [ 1498.250510][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1498.250510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1498.250510][ T3767] ip6_route_add+0x1c/0x140 [ 1498.250510][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1498.250510][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1498.250510][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.250510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.250510][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.250510][ T3767] netlink_unicast+0x449/0x710 [ 1498.250510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.250510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.250510][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.250510][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.250510][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.250510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.250510][ T3767] [ 1498.253089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1498.253089][ T3767] netdev_get_by_index+0x5e/0x80 [ 1498.253089][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1498.253089][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1498.253089][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1498.253089][ T3767] ipv6_add_addr+0x411/0x2000 [ 1498.253089][ T3767] inet6_addr_add+0x30e/0xa40 [ 1498.253089][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.253089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.253089][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.253089][ T3767] netlink_unicast+0x449/0x710 [ 1498.253089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.253089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.253089][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.253089][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.253089][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.253089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.253089][ T3767] [ 1498.255295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1498.255295][ T3767] netdev_get_by_index+0x5e/0x80 [ 1498.255295][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1498.255295][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1498.255295][ T3767] ip6_route_add+0x1c/0x140 [ 1498.255295][ T3767] addrconf_add_mroute+0x129/0x180 [ 1498.255295][ T3767] addrconf_add_dev+0xe2/0x170 [ 1498.255295][ T3767] inet6_addr_add+0x12f/0xa40 [ 1498.255295][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.255295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.255295][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.255295][ T3767] netlink_unicast+0x449/0x710 [ 1498.255295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.255295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.255295][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.255295][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.255295][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.255295][ T3767] [ 1498.257481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1498.257481][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1498.257481][ T3767] ipv6_find_idev+0x102/0x170 [ 1498.257481][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.257481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.257481][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.257481][ T3767] netlink_unicast+0x449/0x710 [ 1498.257481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.257481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.257481][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.257481][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.257481][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.257481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.257481][ T3767] [ 1498.259185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1498.259185][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1498.259185][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1498.259185][ T3767] ipv6_find_idev+0x102/0x170 [ 1498.259185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.259185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.259185][ T3767] netlink_rcv_skb+0x130/0x360 [ 1498.259185][ T3767] netlink_unicast+0x449/0x710 [ 1498.259185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1498.259185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1498.259185][ T3767] ___sys_sendmsg+0xee/0x170 [ 1498.259185][ T3767] __sys_sendmsg+0xcd/0x170 [ 1498.259185][ T3767] do_syscall_64+0xc6/0x1e0 [ 1498.259185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.259185][ T3767] [ 1508.375924][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1508.376435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1508.376435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1508.376435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1508.376435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1508.376435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1508.376435][ T3767] ip6_route_add+0x1c/0x140 [ 1508.376435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1508.376435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.376435][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.376435][ T3767] netlink_unicast+0x449/0x710 [ 1508.376435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.376435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.376435][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.376435][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.376435][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.376435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.376435][ T3767] [ 1508.378535][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1508.378535][ T3767] netdev_get_by_index+0x5e/0x80 [ 1508.378535][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1508.378535][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1508.378535][ T3767] ip6_route_add+0x1c/0x140 [ 1508.378535][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1508.378535][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1508.378535][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.378535][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.378535][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.378535][ T3767] netlink_unicast+0x449/0x710 [ 1508.378535][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.378535][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.378535][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.378535][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.378535][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.378535][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.378535][ T3767] [ 1508.380905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1508.380905][ T3767] netdev_get_by_index+0x5e/0x80 [ 1508.380905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1508.380905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1508.380905][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1508.380905][ T3767] ipv6_add_addr+0x411/0x2000 [ 1508.380905][ T3767] inet6_addr_add+0x30e/0xa40 [ 1508.380905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.380905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.380905][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.380905][ T3767] netlink_unicast+0x449/0x710 [ 1508.380905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.380905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.380905][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.380905][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.380905][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.380905][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.380905][ T3767] [ 1508.383609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1508.383609][ T3767] netdev_get_by_index+0x5e/0x80 [ 1508.383609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1508.383609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1508.383609][ T3767] ip6_route_add+0x1c/0x140 [ 1508.383609][ T3767] addrconf_add_mroute+0x129/0x180 [ 1508.383609][ T3767] addrconf_add_dev+0xe2/0x170 [ 1508.383609][ T3767] inet6_addr_add+0x12f/0xa40 [ 1508.383609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.383609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.383609][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.383609][ T3767] netlink_unicast+0x449/0x710 [ 1508.383609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.383609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.383609][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.383609][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.383609][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.383609][ T3767] [ 1508.385878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1508.385878][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1508.385878][ T3767] ipv6_find_idev+0x102/0x170 [ 1508.385878][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.385878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.385878][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.385878][ T3767] netlink_unicast+0x449/0x710 [ 1508.385878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.385878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.385878][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.385878][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.385878][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.385878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.385878][ T3767] [ 1508.387590][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1508.387590][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1508.387590][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1508.387590][ T3767] ipv6_find_idev+0x102/0x170 [ 1508.387590][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.387590][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.387590][ T3767] netlink_rcv_skb+0x130/0x360 [ 1508.387590][ T3767] netlink_unicast+0x449/0x710 [ 1508.387590][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1508.387590][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1508.387590][ T3767] ___sys_sendmsg+0xee/0x170 [ 1508.387590][ T3767] __sys_sendmsg+0xcd/0x170 [ 1508.387590][ T3767] do_syscall_64+0xc6/0x1e0 [ 1508.387590][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.387590][ T3767] [ 1518.632014][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1518.632546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1518.632546][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1518.632546][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1518.632546][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1518.632546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1518.632546][ T3767] ip6_route_add+0x1c/0x140 [ 1518.632546][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1518.632546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.632546][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.632546][ T3767] netlink_unicast+0x449/0x710 [ 1518.632546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.632546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.632546][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.632546][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.632546][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.632546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.632546][ T3767] [ 1518.634656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1518.634656][ T3767] netdev_get_by_index+0x5e/0x80 [ 1518.634656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1518.634656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1518.634656][ T3767] ip6_route_add+0x1c/0x140 [ 1518.634656][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1518.634656][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1518.634656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.634656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.634656][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.634656][ T3767] netlink_unicast+0x449/0x710 [ 1518.634656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.634656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.634656][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.634656][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.634656][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.634656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.634656][ T3767] [ 1518.636907][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1518.636907][ T3767] netdev_get_by_index+0x5e/0x80 [ 1518.636907][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1518.636907][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1518.636907][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1518.636907][ T3767] ipv6_add_addr+0x411/0x2000 [ 1518.636907][ T3767] inet6_addr_add+0x30e/0xa40 [ 1518.636907][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.636907][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.636907][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.636907][ T3767] netlink_unicast+0x449/0x710 [ 1518.636907][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.636907][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.636907][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.636907][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.636907][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.636907][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.636907][ T3767] [ 1518.639133][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1518.639133][ T3767] netdev_get_by_index+0x5e/0x80 [ 1518.639133][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1518.639133][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1518.639133][ T3767] ip6_route_add+0x1c/0x140 [ 1518.639133][ T3767] addrconf_add_mroute+0x129/0x180 [ 1518.639133][ T3767] addrconf_add_dev+0xe2/0x170 [ 1518.639133][ T3767] inet6_addr_add+0x12f/0xa40 [ 1518.639133][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.639133][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.639133][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.639133][ T3767] netlink_unicast+0x449/0x710 [ 1518.639133][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.639133][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.639133][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.639133][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.639133][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.639133][ T3767] [ 1518.641327][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1518.641327][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1518.641327][ T3767] ipv6_find_idev+0x102/0x170 [ 1518.641327][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.641327][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.641327][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.641327][ T3767] netlink_unicast+0x449/0x710 [ 1518.641327][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.641327][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.641327][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.641327][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.641327][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.641327][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.641327][ T3767] [ 1518.643033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1518.643033][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1518.643033][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1518.643033][ T3767] ipv6_find_idev+0x102/0x170 [ 1518.643033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.643033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.643033][ T3767] netlink_rcv_skb+0x130/0x360 [ 1518.643033][ T3767] netlink_unicast+0x449/0x710 [ 1518.643033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1518.643033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1518.643033][ T3767] ___sys_sendmsg+0xee/0x170 [ 1518.643033][ T3767] __sys_sendmsg+0xcd/0x170 [ 1518.643033][ T3767] do_syscall_64+0xc6/0x1e0 [ 1518.643033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.643033][ T3767] [ 1528.887913][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1528.888593][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1528.888593][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1528.888593][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1528.888593][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1528.888593][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1528.888593][ T3767] ip6_route_add+0x1c/0x140 [ 1528.888593][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1528.888593][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.888593][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.888593][ T3767] netlink_unicast+0x449/0x710 [ 1528.888593][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.888593][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.888593][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.888593][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.888593][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.888593][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.888593][ T3767] [ 1528.891225][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1528.891225][ T3767] netdev_get_by_index+0x5e/0x80 [ 1528.891225][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1528.891225][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1528.891225][ T3767] ip6_route_add+0x1c/0x140 [ 1528.891225][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1528.891225][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1528.891225][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.891225][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.891225][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.891225][ T3767] netlink_unicast+0x449/0x710 [ 1528.891225][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.891225][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.891225][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.891225][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.891225][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.891225][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.891225][ T3767] [ 1528.893943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1528.893943][ T3767] netdev_get_by_index+0x5e/0x80 [ 1528.893943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1528.893943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1528.893943][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1528.893943][ T3767] ipv6_add_addr+0x411/0x2000 [ 1528.893943][ T3767] inet6_addr_add+0x30e/0xa40 [ 1528.893943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.893943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.893943][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.893943][ T3767] netlink_unicast+0x449/0x710 [ 1528.893943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.893943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.893943][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.893943][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.893943][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.893943][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.893943][ T3767] [ 1528.896861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1528.896861][ T3767] netdev_get_by_index+0x5e/0x80 [ 1528.896861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1528.896861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1528.896861][ T3767] ip6_route_add+0x1c/0x140 [ 1528.896861][ T3767] addrconf_add_mroute+0x129/0x180 [ 1528.896861][ T3767] addrconf_add_dev+0xe2/0x170 [ 1528.896861][ T3767] inet6_addr_add+0x12f/0xa40 [ 1528.896861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.896861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.896861][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.896861][ T3767] netlink_unicast+0x449/0x710 [ 1528.896861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.896861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.896861][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.896861][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.896861][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.896861][ T3767] [ 1528.899742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1528.899742][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1528.899742][ T3767] ipv6_find_idev+0x102/0x170 [ 1528.899742][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.899742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.899742][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.899742][ T3767] netlink_unicast+0x449/0x710 [ 1528.899742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.899742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.899742][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.899742][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.899742][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.899742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.899742][ T3767] [ 1528.901884][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1528.901884][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1528.901884][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1528.901884][ T3767] ipv6_find_idev+0x102/0x170 [ 1528.901884][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.901884][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.901884][ T3767] netlink_rcv_skb+0x130/0x360 [ 1528.901884][ T3767] netlink_unicast+0x449/0x710 [ 1528.901884][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1528.901884][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1528.901884][ T3767] ___sys_sendmsg+0xee/0x170 [ 1528.901884][ T3767] __sys_sendmsg+0xcd/0x170 [ 1528.901884][ T3767] do_syscall_64+0xc6/0x1e0 [ 1528.901884][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.901884][ T3767] [ 1539.143907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1539.144498][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1539.144498][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1539.144498][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1539.144498][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1539.144498][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1539.144498][ T3767] ip6_route_add+0x1c/0x140 [ 1539.144498][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1539.144498][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.144498][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.144498][ T3767] netlink_unicast+0x449/0x710 [ 1539.144498][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.144498][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.144498][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.144498][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.144498][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.144498][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.144498][ T3767] [ 1539.146886][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1539.146886][ T3767] netdev_get_by_index+0x5e/0x80 [ 1539.146886][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1539.146886][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1539.146886][ T3767] ip6_route_add+0x1c/0x140 [ 1539.146886][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1539.146886][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1539.146886][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.146886][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.146886][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.146886][ T3767] netlink_unicast+0x449/0x710 [ 1539.146886][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.146886][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.146886][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.146886][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.146886][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.146886][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.146886][ T3767] [ 1539.149509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1539.149509][ T3767] netdev_get_by_index+0x5e/0x80 [ 1539.149509][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1539.149509][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1539.149509][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1539.149509][ T3767] ipv6_add_addr+0x411/0x2000 [ 1539.149509][ T3767] inet6_addr_add+0x30e/0xa40 [ 1539.149509][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.149509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.149509][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.149509][ T3767] netlink_unicast+0x449/0x710 [ 1539.149509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.149509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.149509][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.149509][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.149509][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.149509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.149509][ T3767] [ 1539.152116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1539.152116][ T3767] netdev_get_by_index+0x5e/0x80 [ 1539.152116][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1539.152116][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1539.152116][ T3767] ip6_route_add+0x1c/0x140 [ 1539.152116][ T3767] addrconf_add_mroute+0x129/0x180 [ 1539.152116][ T3767] addrconf_add_dev+0xe2/0x170 [ 1539.152116][ T3767] inet6_addr_add+0x12f/0xa40 [ 1539.152116][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.152116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.152116][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.152116][ T3767] netlink_unicast+0x449/0x710 [ 1539.152116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.152116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.152116][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.152116][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.152116][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.152116][ T3767] [ 1539.154764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1539.154764][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1539.154764][ T3767] ipv6_find_idev+0x102/0x170 [ 1539.154764][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.154764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.154764][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.154764][ T3767] netlink_unicast+0x449/0x710 [ 1539.154764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.154764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.154764][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.154764][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.154764][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.154764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.154764][ T3767] [ 1539.156804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1539.156804][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1539.156804][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1539.156804][ T3767] ipv6_find_idev+0x102/0x170 [ 1539.156804][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.156804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.156804][ T3767] netlink_rcv_skb+0x130/0x360 [ 1539.156804][ T3767] netlink_unicast+0x449/0x710 [ 1539.156804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1539.156804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1539.156804][ T3767] ___sys_sendmsg+0xee/0x170 [ 1539.156804][ T3767] __sys_sendmsg+0xcd/0x170 [ 1539.156804][ T3767] do_syscall_64+0xc6/0x1e0 [ 1539.156804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.156804][ T3767] [ 1549.399935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1549.400572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1549.400572][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1549.400572][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1549.400572][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1549.400572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1549.400572][ T3767] ip6_route_add+0x1c/0x140 [ 1549.400572][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1549.400572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.400572][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.400572][ T3767] netlink_unicast+0x449/0x710 [ 1549.400572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.400572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.400572][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.400572][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.400572][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.400572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.400572][ T3767] [ 1549.402980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1549.402980][ T3767] netdev_get_by_index+0x5e/0x80 [ 1549.402980][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1549.402980][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1549.402980][ T3767] ip6_route_add+0x1c/0x140 [ 1549.402980][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1549.402980][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1549.402980][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.402980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.402980][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.402980][ T3767] netlink_unicast+0x449/0x710 [ 1549.402980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.402980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.402980][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.402980][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.402980][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.402980][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.402980][ T3767] [ 1549.405493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1549.405493][ T3767] netdev_get_by_index+0x5e/0x80 [ 1549.405493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1549.405493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1549.405493][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1549.405493][ T3767] ipv6_add_addr+0x411/0x2000 [ 1549.405493][ T3767] inet6_addr_add+0x30e/0xa40 [ 1549.405493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.405493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.405493][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.405493][ T3767] netlink_unicast+0x449/0x710 [ 1549.405493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.405493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.405493][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.405493][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.405493][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.405493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.405493][ T3767] [ 1549.407987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1549.407987][ T3767] netdev_get_by_index+0x5e/0x80 [ 1549.407987][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1549.407987][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1549.407987][ T3767] ip6_route_add+0x1c/0x140 [ 1549.407987][ T3767] addrconf_add_mroute+0x129/0x180 [ 1549.407987][ T3767] addrconf_add_dev+0xe2/0x170 [ 1549.407987][ T3767] inet6_addr_add+0x12f/0xa40 [ 1549.407987][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.407987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.407987][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.407987][ T3767] netlink_unicast+0x449/0x710 [ 1549.407987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.407987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.407987][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.407987][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.407987][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.407987][ T3767] [ 1549.410460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1549.410460][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1549.410460][ T3767] ipv6_find_idev+0x102/0x170 [ 1549.410460][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.410460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.410460][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.410460][ T3767] netlink_unicast+0x449/0x710 [ 1549.410460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.410460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.410460][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.410460][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.410460][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.410460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.410460][ T3767] [ 1549.412383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1549.412383][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1549.412383][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1549.412383][ T3767] ipv6_find_idev+0x102/0x170 [ 1549.412383][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.412383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.412383][ T3767] netlink_rcv_skb+0x130/0x360 [ 1549.412383][ T3767] netlink_unicast+0x449/0x710 [ 1549.412383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1549.412383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1549.412383][ T3767] ___sys_sendmsg+0xee/0x170 [ 1549.412383][ T3767] __sys_sendmsg+0xcd/0x170 [ 1549.412383][ T3767] do_syscall_64+0xc6/0x1e0 [ 1549.412383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.412383][ T3767] [ 1559.664096][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1559.664634][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1559.664634][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1559.664634][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1559.664634][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1559.664634][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1559.664634][ T3767] ip6_route_add+0x1c/0x140 [ 1559.664634][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1559.664634][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.664634][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.664634][ T3767] netlink_unicast+0x449/0x710 [ 1559.664634][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.664634][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.664634][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.664634][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.664634][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.664634][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.664634][ T3767] [ 1559.666948][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1559.666948][ T3767] netdev_get_by_index+0x5e/0x80 [ 1559.666948][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1559.666948][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1559.666948][ T3767] ip6_route_add+0x1c/0x140 [ 1559.666948][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1559.666948][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1559.666948][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.666948][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.666948][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.666948][ T3767] netlink_unicast+0x449/0x710 [ 1559.666948][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.666948][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.666948][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.666948][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.666948][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.666948][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.666948][ T3767] [ 1559.669536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1559.669536][ T3767] netdev_get_by_index+0x5e/0x80 [ 1559.669536][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1559.669536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1559.669536][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1559.669536][ T3767] ipv6_add_addr+0x411/0x2000 [ 1559.669536][ T3767] inet6_addr_add+0x30e/0xa40 [ 1559.669536][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.669536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.669536][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.669536][ T3767] netlink_unicast+0x449/0x710 [ 1559.669536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.669536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.669536][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.669536][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.669536][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.669536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.669536][ T3767] [ 1559.671952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1559.671952][ T3767] netdev_get_by_index+0x5e/0x80 [ 1559.671952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1559.671952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1559.671952][ T3767] ip6_route_add+0x1c/0x140 [ 1559.671952][ T3767] addrconf_add_mroute+0x129/0x180 [ 1559.671952][ T3767] addrconf_add_dev+0xe2/0x170 [ 1559.671952][ T3767] inet6_addr_add+0x12f/0xa40 [ 1559.671952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.671952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.671952][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.671952][ T3767] netlink_unicast+0x449/0x710 [ 1559.671952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.671952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.671952][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.671952][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.671952][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.671952][ T3767] [ 1559.674336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1559.674336][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1559.674336][ T3767] ipv6_find_idev+0x102/0x170 [ 1559.674336][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.674336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.674336][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.674336][ T3767] netlink_unicast+0x449/0x710 [ 1559.674336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.674336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.674336][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.674336][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.674336][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.674336][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.674336][ T3767] [ 1559.676208][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1559.676208][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1559.676208][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1559.676208][ T3767] ipv6_find_idev+0x102/0x170 [ 1559.676208][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.676208][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.676208][ T3767] netlink_rcv_skb+0x130/0x360 [ 1559.676208][ T3767] netlink_unicast+0x449/0x710 [ 1559.676208][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1559.676208][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1559.676208][ T3767] ___sys_sendmsg+0xee/0x170 [ 1559.676208][ T3767] __sys_sendmsg+0xcd/0x170 [ 1559.676208][ T3767] do_syscall_64+0xc6/0x1e0 [ 1559.676208][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.676208][ T3767] [ 1570.336042][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1570.336798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1570.336798][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1570.336798][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1570.336798][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1570.336798][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1570.336798][ T3767] ip6_route_add+0x1c/0x140 [ 1570.336798][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1570.336798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.336798][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.336798][ T3767] netlink_unicast+0x449/0x710 [ 1570.336798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.336798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.336798][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.336798][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.336798][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.336798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.336798][ T3767] [ 1570.340255][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1570.340255][ T3767] netdev_get_by_index+0x5e/0x80 [ 1570.340255][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1570.340255][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1570.340255][ T3767] ip6_route_add+0x1c/0x140 [ 1570.340255][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1570.340255][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1570.340255][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.340255][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.340255][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.340255][ T3767] netlink_unicast+0x449/0x710 [ 1570.340255][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.340255][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.340255][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.340255][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.340255][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.340255][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.340255][ T3767] [ 1570.344070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1570.344070][ T3767] netdev_get_by_index+0x5e/0x80 [ 1570.344070][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1570.344070][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1570.344070][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1570.344070][ T3767] ipv6_add_addr+0x411/0x2000 [ 1570.344070][ T3767] inet6_addr_add+0x30e/0xa40 [ 1570.344070][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.344070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.344070][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.344070][ T3767] netlink_unicast+0x449/0x710 [ 1570.344070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.344070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.344070][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.344070][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.344070][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.344070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.344070][ T3767] [ 1570.347812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1570.347812][ T3767] netdev_get_by_index+0x5e/0x80 [ 1570.347812][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1570.347812][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1570.347812][ T3767] ip6_route_add+0x1c/0x140 [ 1570.347812][ T3767] addrconf_add_mroute+0x129/0x180 [ 1570.347812][ T3767] addrconf_add_dev+0xe2/0x170 [ 1570.347812][ T3767] inet6_addr_add+0x12f/0xa40 [ 1570.347812][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1570.347812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.347812][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.347812][ T3767] netlink_unicast+0x449/0x710 [ 1570.347812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.347812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.347812][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.347812][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.347812][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.347812][ T3767] [ 1570.351585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1570.351585][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1570.351585][ T3767] ipv6_find_idev+0x102/0x170 [ 1570.351585][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.351585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.351585][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.351585][ T3767] netlink_unicast+0x449/0x710 [ 1570.351585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.351585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.351585][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.351585][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.351585][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.351585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.351585][ T3767] [ 1570.354487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1570.354487][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1570.354487][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1570.354487][ T3767] ipv6_find_idev+0x102/0x170 [ 1570.354487][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1570.354487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1570.354487][ T3767] netlink_rcv_skb+0x130/0x360 [ 1570.354487][ T3767] netlink_unicast+0x449/0x710 [ 1570.354487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1570.354487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1570.354487][ T3767] ___sys_sendmsg+0xee/0x170 [ 1570.354487][ T3767] __sys_sendmsg+0xcd/0x170 [ 1570.354487][ T3767] do_syscall_64+0xc6/0x1e0 [ 1570.354487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1570.354487][ T3767] [ 1580.479897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1580.480472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1580.480472][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1580.480472][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1580.480472][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1580.480472][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1580.480472][ T3767] ip6_route_add+0x1c/0x140 [ 1580.480472][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1580.480472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.480472][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.480472][ T3767] netlink_unicast+0x449/0x710 [ 1580.480472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.480472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.480472][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.480472][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.480472][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.480472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.480472][ T3767] [ 1580.482554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1580.482554][ T3767] netdev_get_by_index+0x5e/0x80 [ 1580.482554][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1580.482554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1580.482554][ T3767] ip6_route_add+0x1c/0x140 [ 1580.482554][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1580.482554][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1580.482554][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.482554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.482554][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.482554][ T3767] netlink_unicast+0x449/0x710 [ 1580.482554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.482554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.482554][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.482554][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.482554][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.482554][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.482554][ T3767] [ 1580.484750][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1580.484750][ T3767] netdev_get_by_index+0x5e/0x80 [ 1580.484750][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1580.484750][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1580.484750][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1580.484750][ T3767] ipv6_add_addr+0x411/0x2000 [ 1580.484750][ T3767] inet6_addr_add+0x30e/0xa40 [ 1580.484750][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.484750][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.484750][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.484750][ T3767] netlink_unicast+0x449/0x710 [ 1580.484750][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.484750][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.484750][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.484750][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.484750][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.484750][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.484750][ T3767] [ 1580.486929][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1580.486929][ T3767] netdev_get_by_index+0x5e/0x80 [ 1580.486929][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1580.486929][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1580.486929][ T3767] ip6_route_add+0x1c/0x140 [ 1580.486929][ T3767] addrconf_add_mroute+0x129/0x180 [ 1580.486929][ T3767] addrconf_add_dev+0xe2/0x170 [ 1580.486929][ T3767] inet6_addr_add+0x12f/0xa40 [ 1580.486929][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.486929][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.486929][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.486929][ T3767] netlink_unicast+0x449/0x710 [ 1580.486929][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.486929][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.486929][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.486929][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.486929][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.486929][ T3767] [ 1580.489039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1580.489039][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1580.489039][ T3767] ipv6_find_idev+0x102/0x170 [ 1580.489039][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.489039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.489039][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.489039][ T3767] netlink_unicast+0x449/0x710 [ 1580.489039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.489039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.489039][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.489039][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.489039][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.489039][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.489039][ T3767] [ 1580.490773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1580.490773][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1580.490773][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1580.490773][ T3767] ipv6_find_idev+0x102/0x170 [ 1580.490773][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.490773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.490773][ T3767] netlink_rcv_skb+0x130/0x360 [ 1580.490773][ T3767] netlink_unicast+0x449/0x710 [ 1580.490773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1580.490773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1580.490773][ T3767] ___sys_sendmsg+0xee/0x170 [ 1580.490773][ T3767] __sys_sendmsg+0xcd/0x170 [ 1580.490773][ T3767] do_syscall_64+0xc6/0x1e0 [ 1580.490773][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.490773][ T3767] [ 1590.743943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1590.744598][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1590.744598][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1590.744598][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1590.744598][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1590.744598][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1590.744598][ T3767] ip6_route_add+0x1c/0x140 [ 1590.744598][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1590.744598][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.744598][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.744598][ T3767] netlink_unicast+0x449/0x710 [ 1590.744598][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.744598][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.744598][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.744598][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.744598][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.744598][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.744598][ T3767] [ 1590.747819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1590.747819][ T3767] netdev_get_by_index+0x5e/0x80 [ 1590.747819][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1590.747819][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1590.747819][ T3767] ip6_route_add+0x1c/0x140 [ 1590.747819][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1590.747819][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1590.747819][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.747819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.747819][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.747819][ T3767] netlink_unicast+0x449/0x710 [ 1590.747819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.747819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.747819][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.747819][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.747819][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.747819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.747819][ T3767] [ 1590.751157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1590.751157][ T3767] netdev_get_by_index+0x5e/0x80 [ 1590.751157][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1590.751157][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1590.751157][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1590.751157][ T3767] ipv6_add_addr+0x411/0x2000 [ 1590.751157][ T3767] inet6_addr_add+0x30e/0xa40 [ 1590.751157][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.751157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.751157][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.751157][ T3767] netlink_unicast+0x449/0x710 [ 1590.751157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.751157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.751157][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.751157][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.751157][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.751157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.751157][ T3767] [ 1590.754523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1590.754523][ T3767] netdev_get_by_index+0x5e/0x80 [ 1590.754523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1590.754523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1590.754523][ T3767] ip6_route_add+0x1c/0x140 [ 1590.754523][ T3767] addrconf_add_mroute+0x129/0x180 [ 1590.754523][ T3767] addrconf_add_dev+0xe2/0x170 [ 1590.754523][ T3767] inet6_addr_add+0x12f/0xa40 [ 1590.754523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.754523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.754523][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.754523][ T3767] netlink_unicast+0x449/0x710 [ 1590.754523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.754523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.754523][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.754523][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.754523][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.754523][ T3767] [ 1590.757872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1590.757872][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1590.757872][ T3767] ipv6_find_idev+0x102/0x170 [ 1590.757872][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.757872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.757872][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.757872][ T3767] netlink_unicast+0x449/0x710 [ 1590.757872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.757872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.757872][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.757872][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.757872][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.757872][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.757872][ T3767] [ 1590.760627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1590.760627][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1590.760627][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1590.760627][ T3767] ipv6_find_idev+0x102/0x170 [ 1590.760627][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.760627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.760627][ T3767] netlink_rcv_skb+0x130/0x360 [ 1590.760627][ T3767] netlink_unicast+0x449/0x710 [ 1590.760627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1590.760627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1590.760627][ T3767] ___sys_sendmsg+0xee/0x170 [ 1590.760627][ T3767] __sys_sendmsg+0xcd/0x170 [ 1590.760627][ T3767] do_syscall_64+0xc6/0x1e0 [ 1590.760627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.760627][ T3767] [ 1601.007993][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1601.008496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1601.008496][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1601.008496][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1601.008496][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1601.008496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1601.008496][ T3767] ip6_route_add+0x1c/0x140 [ 1601.008496][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1601.008496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.008496][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.008496][ T3767] netlink_unicast+0x449/0x710 [ 1601.008496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.008496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.008496][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.008496][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.008496][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.008496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.008496][ T3767] [ 1601.010614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1601.010614][ T3767] netdev_get_by_index+0x5e/0x80 [ 1601.010614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1601.010614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1601.010614][ T3767] ip6_route_add+0x1c/0x140 [ 1601.010614][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1601.010614][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1601.010614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.010614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.010614][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.010614][ T3767] netlink_unicast+0x449/0x710 [ 1601.010614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.010614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.010614][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.010614][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.010614][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.010614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.010614][ T3767] [ 1601.012829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1601.012829][ T3767] netdev_get_by_index+0x5e/0x80 [ 1601.012829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1601.012829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1601.012829][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1601.012829][ T3767] ipv6_add_addr+0x411/0x2000 [ 1601.012829][ T3767] inet6_addr_add+0x30e/0xa40 [ 1601.012829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.012829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.012829][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.012829][ T3767] netlink_unicast+0x449/0x710 [ 1601.012829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.012829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.012829][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.012829][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.012829][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.012829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.012829][ T3767] [ 1601.015034][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1601.015034][ T3767] netdev_get_by_index+0x5e/0x80 [ 1601.015034][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1601.015034][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1601.015034][ T3767] ip6_route_add+0x1c/0x140 [ 1601.015034][ T3767] addrconf_add_mroute+0x129/0x180 [ 1601.015034][ T3767] addrconf_add_dev+0xe2/0x170 [ 1601.015034][ T3767] inet6_addr_add+0x12f/0xa40 [ 1601.015034][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1601.015034][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.015034][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.015034][ T3767] netlink_unicast+0x449/0x710 [ 1601.015034][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.015034][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.015034][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.015034][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.015034][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.015034][ T3767] [ 1601.017143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1601.017143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1601.017143][ T3767] ipv6_find_idev+0x102/0x170 [ 1601.017143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.017143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.017143][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.017143][ T3767] netlink_unicast+0x449/0x710 [ 1601.017143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.017143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.017143][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.017143][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.017143][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.017143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.017143][ T3767] [ 1601.018798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1601.018798][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1601.018798][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1601.018798][ T3767] ipv6_find_idev+0x102/0x170 [ 1601.018798][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1601.018798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1601.018798][ T3767] netlink_rcv_skb+0x130/0x360 [ 1601.018798][ T3767] netlink_unicast+0x449/0x710 [ 1601.018798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1601.018798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1601.018798][ T3767] ___sys_sendmsg+0xee/0x170 [ 1601.018798][ T3767] __sys_sendmsg+0xcd/0x170 [ 1601.018798][ T3767] do_syscall_64+0xc6/0x1e0 [ 1601.018798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1601.018798][ T3767] [ 1611.263980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1611.264529][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1611.264529][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1611.264529][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1611.264529][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1611.264529][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1611.264529][ T3767] ip6_route_add+0x1c/0x140 [ 1611.264529][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1611.264529][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.264529][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.264529][ T3767] netlink_unicast+0x449/0x710 [ 1611.264529][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.264529][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.264529][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.264529][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.264529][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.264529][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.264529][ T3767] [ 1611.266833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1611.266833][ T3767] netdev_get_by_index+0x5e/0x80 [ 1611.266833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1611.266833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1611.266833][ T3767] ip6_route_add+0x1c/0x140 [ 1611.266833][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1611.266833][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1611.266833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.266833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.266833][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.266833][ T3767] netlink_unicast+0x449/0x710 [ 1611.266833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.266833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.266833][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.266833][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.266833][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.266833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.266833][ T3767] [ 1611.269260][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1611.269260][ T3767] netdev_get_by_index+0x5e/0x80 [ 1611.269260][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1611.269260][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1611.269260][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1611.269260][ T3767] ipv6_add_addr+0x411/0x2000 [ 1611.269260][ T3767] inet6_addr_add+0x30e/0xa40 [ 1611.269260][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.269260][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.269260][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.269260][ T3767] netlink_unicast+0x449/0x710 [ 1611.269260][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.269260][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.269260][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.269260][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.269260][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.269260][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.269260][ T3767] [ 1611.271686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1611.271686][ T3767] netdev_get_by_index+0x5e/0x80 [ 1611.271686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1611.271686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1611.271686][ T3767] ip6_route_add+0x1c/0x140 [ 1611.271686][ T3767] addrconf_add_mroute+0x129/0x180 [ 1611.271686][ T3767] addrconf_add_dev+0xe2/0x170 [ 1611.271686][ T3767] inet6_addr_add+0x12f/0xa40 [ 1611.271686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1611.271686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.271686][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.271686][ T3767] netlink_unicast+0x449/0x710 [ 1611.271686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.271686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.271686][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.271686][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.271686][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.271686][ T3767] [ 1611.274074][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1611.274074][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1611.274074][ T3767] ipv6_find_idev+0x102/0x170 [ 1611.274074][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.274074][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.274074][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.274074][ T3767] netlink_unicast+0x449/0x710 [ 1611.274074][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.274074][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.274074][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.274074][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.274074][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.274074][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.274074][ T3767] [ 1611.275947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1611.275947][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1611.275947][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1611.275947][ T3767] ipv6_find_idev+0x102/0x170 [ 1611.275947][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1611.275947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1611.275947][ T3767] netlink_rcv_skb+0x130/0x360 [ 1611.275947][ T3767] netlink_unicast+0x449/0x710 [ 1611.275947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1611.275947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1611.275947][ T3767] ___sys_sendmsg+0xee/0x170 [ 1611.275947][ T3767] __sys_sendmsg+0xcd/0x170 [ 1611.275947][ T3767] do_syscall_64+0xc6/0x1e0 [ 1611.275947][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1611.275947][ T3767] [ 1621.335917][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1621.336456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1621.336456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1621.336456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1621.336456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1621.336456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1621.336456][ T3767] ip6_route_add+0x1c/0x140 [ 1621.336456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1621.336456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.336456][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.336456][ T3767] netlink_unicast+0x449/0x710 [ 1621.336456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.336456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.336456][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.336456][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.336456][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.336456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.336456][ T3767] [ 1621.338767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1621.338767][ T3767] netdev_get_by_index+0x5e/0x80 [ 1621.338767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1621.338767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1621.338767][ T3767] ip6_route_add+0x1c/0x140 [ 1621.338767][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1621.338767][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1621.338767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.338767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.338767][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.338767][ T3767] netlink_unicast+0x449/0x710 [ 1621.338767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.338767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.338767][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.338767][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.338767][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.338767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.338767][ T3767] [ 1621.341218][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1621.341218][ T3767] netdev_get_by_index+0x5e/0x80 [ 1621.341218][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1621.341218][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1621.341218][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1621.341218][ T3767] ipv6_add_addr+0x411/0x2000 [ 1621.341218][ T3767] inet6_addr_add+0x30e/0xa40 [ 1621.341218][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.341218][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.341218][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.341218][ T3767] netlink_unicast+0x449/0x710 [ 1621.341218][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.341218][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.341218][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.341218][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.341218][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.341218][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.341218][ T3767] [ 1621.343668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1621.343668][ T3767] netdev_get_by_index+0x5e/0x80 [ 1621.343668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1621.343668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1621.343668][ T3767] ip6_route_add+0x1c/0x140 [ 1621.343668][ T3767] addrconf_add_mroute+0x129/0x180 [ 1621.343668][ T3767] addrconf_add_dev+0xe2/0x170 [ 1621.343668][ T3767] inet6_addr_add+0x12f/0xa40 [ 1621.343668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1621.343668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.343668][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.343668][ T3767] netlink_unicast+0x449/0x710 [ 1621.343668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.343668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.343668][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.343668][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.343668][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.343668][ T3767] [ 1621.346057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1621.346057][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1621.346057][ T3767] ipv6_find_idev+0x102/0x170 [ 1621.346057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.346057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.346057][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.346057][ T3767] netlink_unicast+0x449/0x710 [ 1621.346057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.346057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.346057][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.346057][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.346057][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.346057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.346057][ T3767] [ 1621.347955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1621.347955][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1621.347955][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1621.347955][ T3767] ipv6_find_idev+0x102/0x170 [ 1621.347955][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1621.347955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1621.347955][ T3767] netlink_rcv_skb+0x130/0x360 [ 1621.347955][ T3767] netlink_unicast+0x449/0x710 [ 1621.347955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1621.347955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1621.347955][ T3767] ___sys_sendmsg+0xee/0x170 [ 1621.347955][ T3767] __sys_sendmsg+0xcd/0x170 [ 1621.347955][ T3767] do_syscall_64+0xc6/0x1e0 [ 1621.347955][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1621.347955][ T3767] [ 1631.592063][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1631.592782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1631.592782][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1631.592782][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1631.592782][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1631.592782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1631.592782][ T3767] ip6_route_add+0x1c/0x140 [ 1631.592782][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1631.592782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.592782][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.592782][ T3767] netlink_unicast+0x449/0x710 [ 1631.592782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.592782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.592782][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.592782][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.592782][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.592782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.592782][ T3767] [ 1631.596358][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1631.596358][ T3767] netdev_get_by_index+0x5e/0x80 [ 1631.596358][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1631.596358][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1631.596358][ T3767] ip6_route_add+0x1c/0x140 [ 1631.596358][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1631.596358][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1631.596358][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.596358][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.596358][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.596358][ T3767] netlink_unicast+0x449/0x710 [ 1631.596358][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.596358][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.596358][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.596358][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.596358][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.596358][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.596358][ T3767] [ 1631.600050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1631.600050][ T3767] netdev_get_by_index+0x5e/0x80 [ 1631.600050][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1631.600050][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1631.600050][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1631.600050][ T3767] ipv6_add_addr+0x411/0x2000 [ 1631.600050][ T3767] inet6_addr_add+0x30e/0xa40 [ 1631.600050][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.600050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.600050][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.600050][ T3767] netlink_unicast+0x449/0x710 [ 1631.600050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.600050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.600050][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.600050][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.600050][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.600050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.600050][ T3767] [ 1631.603607][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1631.603607][ T3767] netdev_get_by_index+0x5e/0x80 [ 1631.603607][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1631.603607][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1631.603607][ T3767] ip6_route_add+0x1c/0x140 [ 1631.603607][ T3767] addrconf_add_mroute+0x129/0x180 [ 1631.603607][ T3767] addrconf_add_dev+0xe2/0x170 [ 1631.603607][ T3767] inet6_addr_add+0x12f/0xa40 [ 1631.603607][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1631.603607][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.603607][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.603607][ T3767] netlink_unicast+0x449/0x710 [ 1631.603607][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.603607][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.603607][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.603607][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.603607][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.603607][ T3767] [ 1631.607289][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1631.607289][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1631.607289][ T3767] ipv6_find_idev+0x102/0x170 [ 1631.607289][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.607289][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.607289][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.607289][ T3767] netlink_unicast+0x449/0x710 [ 1631.607289][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.607289][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.607289][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.607289][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.607289][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.607289][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.607289][ T3767] [ 1631.609592][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1631.609592][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1631.609592][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1631.609592][ T3767] ipv6_find_idev+0x102/0x170 [ 1631.609592][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1631.609592][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1631.609592][ T3767] netlink_rcv_skb+0x130/0x360 [ 1631.609592][ T3767] netlink_unicast+0x449/0x710 [ 1631.609592][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1631.609592][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1631.609592][ T3767] ___sys_sendmsg+0xee/0x170 [ 1631.609592][ T3767] __sys_sendmsg+0xcd/0x170 [ 1631.609592][ T3767] do_syscall_64+0xc6/0x1e0 [ 1631.609592][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1631.609592][ T3767] [ 1641.847960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1641.848531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1641.848531][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1641.848531][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1641.848531][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1641.848531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1641.848531][ T3767] ip6_route_add+0x1c/0x140 [ 1641.848531][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1641.848531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.848531][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.848531][ T3767] netlink_unicast+0x449/0x710 [ 1641.848531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.848531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.848531][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.848531][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.848531][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.848531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1641.848531][ T3767] [ 1641.850854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1641.850854][ T3767] netdev_get_by_index+0x5e/0x80 [ 1641.850854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1641.850854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1641.850854][ T3767] ip6_route_add+0x1c/0x140 [ 1641.850854][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1641.850854][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1641.850854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1641.850854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.850854][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.850854][ T3767] netlink_unicast+0x449/0x710 [ 1641.850854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.850854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.850854][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.850854][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.850854][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.850854][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1641.850854][ T3767] [ 1641.853318][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1641.853318][ T3767] netdev_get_by_index+0x5e/0x80 [ 1641.853318][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1641.853318][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1641.853318][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1641.853318][ T3767] ipv6_add_addr+0x411/0x2000 [ 1641.853318][ T3767] inet6_addr_add+0x30e/0xa40 [ 1641.853318][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1641.853318][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.853318][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.853318][ T3767] netlink_unicast+0x449/0x710 [ 1641.853318][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.853318][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.853318][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.853318][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.853318][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.853318][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1641.853318][ T3767] [ 1641.855753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1641.855753][ T3767] netdev_get_by_index+0x5e/0x80 [ 1641.855753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1641.855753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1641.855753][ T3767] ip6_route_add+0x1c/0x140 [ 1641.855753][ T3767] addrconf_add_mroute+0x129/0x180 [ 1641.855753][ T3767] addrconf_add_dev+0xe2/0x170 [ 1641.855753][ T3767] inet6_addr_add+0x12f/0xa40 [ 1641.855753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1641.855753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.855753][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.855753][ T3767] netlink_unicast+0x449/0x710 [ 1641.855753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.855753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.855753][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.855753][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.855753][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.855753][ T3767] [ 1641.858149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1641.858149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1641.858149][ T3767] ipv6_find_idev+0x102/0x170 [ 1641.858149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1641.858149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.858149][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.858149][ T3767] netlink_unicast+0x449/0x710 [ 1641.858149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.858149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.858149][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.858149][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.858149][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.858149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1641.858149][ T3767] [ 1641.860043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1641.860043][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1641.860043][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1641.860043][ T3767] ipv6_find_idev+0x102/0x170 [ 1641.860043][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1641.860043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1641.860043][ T3767] netlink_rcv_skb+0x130/0x360 [ 1641.860043][ T3767] netlink_unicast+0x449/0x710 [ 1641.860043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1641.860043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1641.860043][ T3767] ___sys_sendmsg+0xee/0x170 [ 1641.860043][ T3767] __sys_sendmsg+0xcd/0x170 [ 1641.860043][ T3767] do_syscall_64+0xc6/0x1e0 [ 1641.860043][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1641.860043][ T3767] [ 1652.103966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1652.104511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1652.104511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1652.104511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1652.104511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1652.104511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1652.104511][ T3767] ip6_route_add+0x1c/0x140 [ 1652.104511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1652.104511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.104511][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.104511][ T3767] netlink_unicast+0x449/0x710 [ 1652.104511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.104511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.104511][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.104511][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.104511][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.104511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.104511][ T3767] [ 1652.106852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1652.106852][ T3767] netdev_get_by_index+0x5e/0x80 [ 1652.106852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1652.106852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1652.106852][ T3767] ip6_route_add+0x1c/0x140 [ 1652.106852][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1652.106852][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1652.106852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.106852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.106852][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.106852][ T3767] netlink_unicast+0x449/0x710 [ 1652.106852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.106852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.106852][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.106852][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.106852][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.106852][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.106852][ T3767] [ 1652.109338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1652.109338][ T3767] netdev_get_by_index+0x5e/0x80 [ 1652.109338][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1652.109338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1652.109338][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1652.109338][ T3767] ipv6_add_addr+0x411/0x2000 [ 1652.109338][ T3767] inet6_addr_add+0x30e/0xa40 [ 1652.109338][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.109338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.109338][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.109338][ T3767] netlink_unicast+0x449/0x710 [ 1652.109338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.109338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.109338][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.109338][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.109338][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.109338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.109338][ T3767] [ 1652.111791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1652.111791][ T3767] netdev_get_by_index+0x5e/0x80 [ 1652.111791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1652.111791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1652.111791][ T3767] ip6_route_add+0x1c/0x140 [ 1652.111791][ T3767] addrconf_add_mroute+0x129/0x180 [ 1652.111791][ T3767] addrconf_add_dev+0xe2/0x170 [ 1652.111791][ T3767] inet6_addr_add+0x12f/0xa40 [ 1652.111791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1652.111791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.111791][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.111791][ T3767] netlink_unicast+0x449/0x710 [ 1652.111791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.111791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.111791][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.111791][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.111791][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.111791][ T3767] [ 1652.114219][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1652.114219][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1652.114219][ T3767] ipv6_find_idev+0x102/0x170 [ 1652.114219][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.114219][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.114219][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.114219][ T3767] netlink_unicast+0x449/0x710 [ 1652.114219][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.114219][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.114219][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.114219][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.114219][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.114219][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.114219][ T3767] [ 1652.116111][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1652.116111][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1652.116111][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1652.116111][ T3767] ipv6_find_idev+0x102/0x170 [ 1652.116111][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1652.116111][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1652.116111][ T3767] netlink_rcv_skb+0x130/0x360 [ 1652.116111][ T3767] netlink_unicast+0x449/0x710 [ 1652.116111][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1652.116111][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1652.116111][ T3767] ___sys_sendmsg+0xee/0x170 [ 1652.116111][ T3767] __sys_sendmsg+0xcd/0x170 [ 1652.116111][ T3767] do_syscall_64+0xc6/0x1e0 [ 1652.116111][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1652.116111][ T3767] [ 1662.135909][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1662.136441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1662.136441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1662.136441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1662.136441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1662.136441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1662.136441][ T3767] ip6_route_add+0x1c/0x140 [ 1662.136441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1662.136441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.136441][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.136441][ T3767] netlink_unicast+0x449/0x710 [ 1662.136441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.136441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.136441][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.136441][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.136441][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.136441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.136441][ T3767] [ 1662.138785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1662.138785][ T3767] netdev_get_by_index+0x5e/0x80 [ 1662.138785][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1662.138785][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1662.138785][ T3767] ip6_route_add+0x1c/0x140 [ 1662.138785][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1662.138785][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1662.138785][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.138785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.138785][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.138785][ T3767] netlink_unicast+0x449/0x710 [ 1662.138785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.138785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.138785][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.138785][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.138785][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.138785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.138785][ T3767] [ 1662.141254][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1662.141254][ T3767] netdev_get_by_index+0x5e/0x80 [ 1662.141254][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1662.141254][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1662.141254][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1662.141254][ T3767] ipv6_add_addr+0x411/0x2000 [ 1662.141254][ T3767] inet6_addr_add+0x30e/0xa40 [ 1662.141254][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.141254][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.141254][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.141254][ T3767] netlink_unicast+0x449/0x710 [ 1662.141254][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.141254][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.141254][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.141254][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.141254][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.141254][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.141254][ T3767] [ 1662.143708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1662.143708][ T3767] netdev_get_by_index+0x5e/0x80 [ 1662.143708][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1662.143708][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1662.143708][ T3767] ip6_route_add+0x1c/0x140 [ 1662.143708][ T3767] addrconf_add_mroute+0x129/0x180 [ 1662.143708][ T3767] addrconf_add_dev+0xe2/0x170 [ 1662.143708][ T3767] inet6_addr_add+0x12f/0xa40 [ 1662.143708][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1662.143708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.143708][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.143708][ T3767] netlink_unicast+0x449/0x710 [ 1662.143708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.143708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.143708][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.143708][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.143708][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.143708][ T3767] [ 1662.146124][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1662.146124][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1662.146124][ T3767] ipv6_find_idev+0x102/0x170 [ 1662.146124][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.146124][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.146124][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.146124][ T3767] netlink_unicast+0x449/0x710 [ 1662.146124][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.146124][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.146124][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.146124][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.146124][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.146124][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.146124][ T3767] [ 1662.148010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1662.148010][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1662.148010][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1662.148010][ T3767] ipv6_find_idev+0x102/0x170 [ 1662.148010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1662.148010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1662.148010][ T3767] netlink_rcv_skb+0x130/0x360 [ 1662.148010][ T3767] netlink_unicast+0x449/0x710 [ 1662.148010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1662.148010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1662.148010][ T3767] ___sys_sendmsg+0xee/0x170 [ 1662.148010][ T3767] __sys_sendmsg+0xcd/0x170 [ 1662.148010][ T3767] do_syscall_64+0xc6/0x1e0 [ 1662.148010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1662.148010][ T3767] [ 1672.391919][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1672.392460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1672.392460][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1672.392460][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1672.392460][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1672.392460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1672.392460][ T3767] ip6_route_add+0x1c/0x140 [ 1672.392460][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1672.392460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.392460][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.392460][ T3767] netlink_unicast+0x449/0x710 [ 1672.392460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.392460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.392460][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.392460][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.392460][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.392460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.392460][ T3767] [ 1672.394838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1672.394838][ T3767] netdev_get_by_index+0x5e/0x80 [ 1672.394838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1672.394838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1672.394838][ T3767] ip6_route_add+0x1c/0x140 [ 1672.394838][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1672.394838][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1672.394838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.394838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.394838][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.394838][ T3767] netlink_unicast+0x449/0x710 [ 1672.394838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.394838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.394838][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.394838][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.394838][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.394838][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.394838][ T3767] [ 1672.397330][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1672.397330][ T3767] netdev_get_by_index+0x5e/0x80 [ 1672.397330][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1672.397330][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1672.397330][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1672.397330][ T3767] ipv6_add_addr+0x411/0x2000 [ 1672.397330][ T3767] inet6_addr_add+0x30e/0xa40 [ 1672.397330][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.397330][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.397330][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.397330][ T3767] netlink_unicast+0x449/0x710 [ 1672.397330][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.397330][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.397330][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.397330][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.397330][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.397330][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.397330][ T3767] [ 1672.399820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1672.399820][ T3767] netdev_get_by_index+0x5e/0x80 [ 1672.399820][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1672.399820][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1672.399820][ T3767] ip6_route_add+0x1c/0x140 [ 1672.399820][ T3767] addrconf_add_mroute+0x129/0x180 [ 1672.399820][ T3767] addrconf_add_dev+0xe2/0x170 [ 1672.399820][ T3767] inet6_addr_add+0x12f/0xa40 [ 1672.399820][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1672.399820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.399820][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.399820][ T3767] netlink_unicast+0x449/0x710 [ 1672.399820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.399820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.399820][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.399820][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.399820][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.399820][ T3767] [ 1672.402276][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1672.402276][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1672.402276][ T3767] ipv6_find_idev+0x102/0x170 [ 1672.402276][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1672.402276][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.402276][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.402276][ T3767] netlink_unicast+0x449/0x710 [ 1672.402276][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.402276][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.402276][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.402276][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.402276][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.402276][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.402276][ T3767] [ 1672.404201][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1672.404201][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1672.404201][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1672.404201][ T3767] ipv6_find_idev+0x102/0x170 [ 1672.404201][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1672.404201][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1672.404201][ T3767] netlink_rcv_skb+0x130/0x360 [ 1672.404201][ T3767] netlink_unicast+0x449/0x710 [ 1672.404201][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1672.404201][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1672.404201][ T3767] ___sys_sendmsg+0xee/0x170 [ 1672.404201][ T3767] __sys_sendmsg+0xcd/0x170 [ 1672.404201][ T3767] do_syscall_64+0xc6/0x1e0 [ 1672.404201][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1672.404201][ T3767] [ 1682.647943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1682.648726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1682.648726][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1682.648726][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1682.648726][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1682.648726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1682.648726][ T3767] ip6_route_add+0x1c/0x140 [ 1682.648726][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1682.648726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.648726][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.648726][ T3767] netlink_unicast+0x449/0x710 [ 1682.648726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.648726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.648726][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.648726][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.648726][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.648726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1682.648726][ T3767] [ 1682.652331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1682.652331][ T3767] netdev_get_by_index+0x5e/0x80 [ 1682.652331][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1682.652331][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1682.652331][ T3767] ip6_route_add+0x1c/0x140 [ 1682.652331][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1682.652331][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1682.652331][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1682.652331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.652331][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.652331][ T3767] netlink_unicast+0x449/0x710 [ 1682.652331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.652331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.652331][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.652331][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.652331][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.652331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1682.652331][ T3767] [ 1682.656077][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1682.656077][ T3767] netdev_get_by_index+0x5e/0x80 [ 1682.656077][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1682.656077][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1682.656077][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1682.656077][ T3767] ipv6_add_addr+0x411/0x2000 [ 1682.656077][ T3767] inet6_addr_add+0x30e/0xa40 [ 1682.656077][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1682.656077][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.656077][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.656077][ T3767] netlink_unicast+0x449/0x710 [ 1682.656077][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.656077][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.656077][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.656077][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.656077][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.656077][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1682.656077][ T3767] [ 1682.659726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1682.659726][ T3767] netdev_get_by_index+0x5e/0x80 [ 1682.659726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1682.659726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1682.659726][ T3767] ip6_route_add+0x1c/0x140 [ 1682.659726][ T3767] addrconf_add_mroute+0x129/0x180 [ 1682.659726][ T3767] addrconf_add_dev+0xe2/0x170 [ 1682.659726][ T3767] inet6_addr_add+0x12f/0xa40 [ 1682.659726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1682.659726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.659726][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.659726][ T3767] netlink_unicast+0x449/0x710 [ 1682.659726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.659726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.659726][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.659726][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.659726][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.659726][ T3767] [ 1682.663422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1682.663422][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1682.663422][ T3767] ipv6_find_idev+0x102/0x170 [ 1682.663422][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1682.663422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.663422][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.663422][ T3767] netlink_unicast+0x449/0x710 [ 1682.663422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.663422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.663422][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.663422][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.663422][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.663422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1682.663422][ T3767] [ 1682.666425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1682.666425][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1682.666425][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1682.666425][ T3767] ipv6_find_idev+0x102/0x170 [ 1682.666425][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1682.666425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1682.666425][ T3767] netlink_rcv_skb+0x130/0x360 [ 1682.666425][ T3767] netlink_unicast+0x449/0x710 [ 1682.666425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1682.666425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1682.666425][ T3767] ___sys_sendmsg+0xee/0x170 [ 1682.666425][ T3767] __sys_sendmsg+0xcd/0x170 [ 1682.666425][ T3767] do_syscall_64+0xc6/0x1e0 [ 1682.666425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1682.666425][ T3767] [ 1692.887958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1692.888511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1692.888511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1692.888511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1692.888511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1692.888511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1692.888511][ T3767] ip6_route_add+0x1c/0x140 [ 1692.888511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1692.888511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.888511][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.888511][ T3767] netlink_unicast+0x449/0x710 [ 1692.888511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.888511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.888511][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.888511][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.888511][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.888511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1692.888511][ T3767] [ 1692.890887][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1692.890887][ T3767] netdev_get_by_index+0x5e/0x80 [ 1692.890887][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1692.890887][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1692.890887][ T3767] ip6_route_add+0x1c/0x140 [ 1692.890887][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1692.890887][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1692.890887][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1692.890887][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.890887][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.890887][ T3767] netlink_unicast+0x449/0x710 [ 1692.890887][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.890887][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.890887][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.890887][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.890887][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.890887][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1692.890887][ T3767] [ 1692.893383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1692.893383][ T3767] netdev_get_by_index+0x5e/0x80 [ 1692.893383][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1692.893383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1692.893383][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1692.893383][ T3767] ipv6_add_addr+0x411/0x2000 [ 1692.893383][ T3767] inet6_addr_add+0x30e/0xa40 [ 1692.893383][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1692.893383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.893383][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.893383][ T3767] netlink_unicast+0x449/0x710 [ 1692.893383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.893383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.893383][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.893383][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.893383][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.893383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1692.893383][ T3767] [ 1692.895885][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1692.895885][ T3767] netdev_get_by_index+0x5e/0x80 [ 1692.895885][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1692.895885][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1692.895885][ T3767] ip6_route_add+0x1c/0x140 [ 1692.895885][ T3767] addrconf_add_mroute+0x129/0x180 [ 1692.895885][ T3767] addrconf_add_dev+0xe2/0x170 [ 1692.895885][ T3767] inet6_addr_add+0x12f/0xa40 [ 1692.895885][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1692.895885][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.895885][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.895885][ T3767] netlink_unicast+0x449/0x710 [ 1692.895885][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.895885][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.895885][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.895885][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.895885][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.895885][ T3767] [ 1692.898338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1692.898338][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1692.898338][ T3767] ipv6_find_idev+0x102/0x170 [ 1692.898338][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1692.898338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.898338][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.898338][ T3767] netlink_unicast+0x449/0x710 [ 1692.898338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.898338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.898338][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.898338][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.898338][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.898338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1692.898338][ T3767] [ 1692.900285][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1692.900285][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1692.900285][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1692.900285][ T3767] ipv6_find_idev+0x102/0x170 [ 1692.900285][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1692.900285][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1692.900285][ T3767] netlink_rcv_skb+0x130/0x360 [ 1692.900285][ T3767] netlink_unicast+0x449/0x710 [ 1692.900285][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1692.900285][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1692.900285][ T3767] ___sys_sendmsg+0xee/0x170 [ 1692.900285][ T3767] __sys_sendmsg+0xcd/0x170 [ 1692.900285][ T3767] do_syscall_64+0xc6/0x1e0 [ 1692.900285][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1692.900285][ T3767] [ 1703.143899][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1703.144445][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1703.144445][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1703.144445][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1703.144445][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1703.144445][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1703.144445][ T3767] ip6_route_add+0x1c/0x140 [ 1703.144445][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1703.144445][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.144445][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.144445][ T3767] netlink_unicast+0x449/0x710 [ 1703.144445][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.144445][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.144445][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.144445][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.144445][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.144445][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.144445][ T3767] [ 1703.146810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1703.146810][ T3767] netdev_get_by_index+0x5e/0x80 [ 1703.146810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1703.146810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1703.146810][ T3767] ip6_route_add+0x1c/0x140 [ 1703.146810][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1703.146810][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1703.146810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.146810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.146810][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.146810][ T3767] netlink_unicast+0x449/0x710 [ 1703.146810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.146810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.146810][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.146810][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.146810][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.146810][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.146810][ T3767] [ 1703.149317][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1703.149317][ T3767] netdev_get_by_index+0x5e/0x80 [ 1703.149317][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1703.149317][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1703.149317][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1703.149317][ T3767] ipv6_add_addr+0x411/0x2000 [ 1703.149317][ T3767] inet6_addr_add+0x30e/0xa40 [ 1703.149317][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.149317][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.149317][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.149317][ T3767] netlink_unicast+0x449/0x710 [ 1703.149317][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.149317][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.149317][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.149317][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.149317][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.149317][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.149317][ T3767] [ 1703.151875][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1703.151875][ T3767] netdev_get_by_index+0x5e/0x80 [ 1703.151875][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1703.151875][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1703.151875][ T3767] ip6_route_add+0x1c/0x140 [ 1703.151875][ T3767] addrconf_add_mroute+0x129/0x180 [ 1703.151875][ T3767] addrconf_add_dev+0xe2/0x170 [ 1703.151875][ T3767] inet6_addr_add+0x12f/0xa40 [ 1703.151875][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1703.151875][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.151875][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.151875][ T3767] netlink_unicast+0x449/0x710 [ 1703.151875][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.151875][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.151875][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.151875][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.151875][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.151875][ T3767] [ 1703.154313][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1703.154313][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1703.154313][ T3767] ipv6_find_idev+0x102/0x170 [ 1703.154313][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.154313][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.154313][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.154313][ T3767] netlink_unicast+0x449/0x710 [ 1703.154313][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.154313][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.154313][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.154313][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.154313][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.154313][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.154313][ T3767] [ 1703.156230][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1703.156230][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1703.156230][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1703.156230][ T3767] ipv6_find_idev+0x102/0x170 [ 1703.156230][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1703.156230][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1703.156230][ T3767] netlink_rcv_skb+0x130/0x360 [ 1703.156230][ T3767] netlink_unicast+0x449/0x710 [ 1703.156230][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1703.156230][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1703.156230][ T3767] ___sys_sendmsg+0xee/0x170 [ 1703.156230][ T3767] __sys_sendmsg+0xcd/0x170 [ 1703.156230][ T3767] do_syscall_64+0xc6/0x1e0 [ 1703.156230][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1703.156230][ T3767] [ 1713.399889][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1713.400451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1713.400451][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1713.400451][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1713.400451][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1713.400451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1713.400451][ T3767] ip6_route_add+0x1c/0x140 [ 1713.400451][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1713.400451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.400451][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.400451][ T3767] netlink_unicast+0x449/0x710 [ 1713.400451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.400451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.400451][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.400451][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.400451][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.400451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1713.400451][ T3767] [ 1713.402807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1713.402807][ T3767] netdev_get_by_index+0x5e/0x80 [ 1713.402807][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1713.402807][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1713.402807][ T3767] ip6_route_add+0x1c/0x140 [ 1713.402807][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1713.402807][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1713.402807][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1713.402807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.402807][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.402807][ T3767] netlink_unicast+0x449/0x710 [ 1713.402807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.402807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.402807][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.402807][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.402807][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.402807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1713.402807][ T3767] [ 1713.405278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1713.405278][ T3767] netdev_get_by_index+0x5e/0x80 [ 1713.405278][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1713.405278][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1713.405278][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1713.405278][ T3767] ipv6_add_addr+0x411/0x2000 [ 1713.405278][ T3767] inet6_addr_add+0x30e/0xa40 [ 1713.405278][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1713.405278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.405278][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.405278][ T3767] netlink_unicast+0x449/0x710 [ 1713.405278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.405278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.405278][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.405278][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.405278][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.405278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1713.405278][ T3767] [ 1713.407752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1713.407752][ T3767] netdev_get_by_index+0x5e/0x80 [ 1713.407752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1713.407752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1713.407752][ T3767] ip6_route_add+0x1c/0x140 [ 1713.407752][ T3767] addrconf_add_mroute+0x129/0x180 [ 1713.407752][ T3767] addrconf_add_dev+0xe2/0x170 [ 1713.407752][ T3767] inet6_addr_add+0x12f/0xa40 [ 1713.407752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1713.407752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.407752][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.407752][ T3767] netlink_unicast+0x449/0x710 [ 1713.407752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.407752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.407752][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.407752][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.407752][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.407752][ T3767] [ 1713.410331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1713.410331][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1713.410331][ T3767] ipv6_find_idev+0x102/0x170 [ 1713.410331][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1713.410331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.410331][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.410331][ T3767] netlink_unicast+0x449/0x710 [ 1713.410331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.410331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.410331][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.410331][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.410331][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.410331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1713.410331][ T3767] [ 1713.412230][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1713.412230][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1713.412230][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1713.412230][ T3767] ipv6_find_idev+0x102/0x170 [ 1713.412230][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1713.412230][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1713.412230][ T3767] netlink_rcv_skb+0x130/0x360 [ 1713.412230][ T3767] netlink_unicast+0x449/0x710 [ 1713.412230][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1713.412230][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1713.412230][ T3767] ___sys_sendmsg+0xee/0x170 [ 1713.412230][ T3767] __sys_sendmsg+0xcd/0x170 [ 1713.412230][ T3767] do_syscall_64+0xc6/0x1e0 [ 1713.412230][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1713.412230][ T3767] [ 1723.655891][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1723.656607][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1723.656607][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1723.656607][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1723.656607][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1723.656607][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1723.656607][ T3767] ip6_route_add+0x1c/0x140 [ 1723.656607][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1723.656607][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.656607][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.656607][ T3767] netlink_unicast+0x449/0x710 [ 1723.656607][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.656607][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.656607][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.656607][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.656607][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.656607][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1723.656607][ T3767] [ 1723.659606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1723.659606][ T3767] netdev_get_by_index+0x5e/0x80 [ 1723.659606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1723.659606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1723.659606][ T3767] ip6_route_add+0x1c/0x140 [ 1723.659606][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1723.659606][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1723.659606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1723.659606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.659606][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.659606][ T3767] netlink_unicast+0x449/0x710 [ 1723.659606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.659606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.659606][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.659606][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.659606][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.659606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1723.659606][ T3767] [ 1723.662102][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1723.662102][ T3767] netdev_get_by_index+0x5e/0x80 [ 1723.662102][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1723.662102][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1723.662102][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1723.662102][ T3767] ipv6_add_addr+0x411/0x2000 [ 1723.662102][ T3767] inet6_addr_add+0x30e/0xa40 [ 1723.662102][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1723.662102][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.662102][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.662102][ T3767] netlink_unicast+0x449/0x710 [ 1723.662102][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.662102][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.662102][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.662102][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.662102][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.662102][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1723.662102][ T3767] [ 1723.664605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1723.664605][ T3767] netdev_get_by_index+0x5e/0x80 [ 1723.664605][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1723.664605][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1723.664605][ T3767] ip6_route_add+0x1c/0x140 [ 1723.664605][ T3767] addrconf_add_mroute+0x129/0x180 [ 1723.664605][ T3767] addrconf_add_dev+0xe2/0x170 [ 1723.664605][ T3767] inet6_addr_add+0x12f/0xa40 [ 1723.664605][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1723.664605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.664605][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.664605][ T3767] netlink_unicast+0x449/0x710 [ 1723.664605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.664605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.664605][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.664605][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.664605][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.664605][ T3767] [ 1723.667059][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1723.667059][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1723.667059][ T3767] ipv6_find_idev+0x102/0x170 [ 1723.667059][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1723.667059][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.667059][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.667059][ T3767] netlink_unicast+0x449/0x710 [ 1723.667059][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.667059][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.667059][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.667059][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.667059][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.667059][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1723.667059][ T3767] [ 1723.669005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1723.669005][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1723.669005][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1723.669005][ T3767] ipv6_find_idev+0x102/0x170 [ 1723.669005][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1723.669005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1723.669005][ T3767] netlink_rcv_skb+0x130/0x360 [ 1723.669005][ T3767] netlink_unicast+0x449/0x710 [ 1723.669005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1723.669005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1723.669005][ T3767] ___sys_sendmsg+0xee/0x170 [ 1723.669005][ T3767] __sys_sendmsg+0xcd/0x170 [ 1723.669005][ T3767] do_syscall_64+0xc6/0x1e0 [ 1723.669005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1723.669005][ T3767] [ 1733.911959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1733.912632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1733.912632][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1733.912632][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1733.912632][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1733.912632][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1733.912632][ T3767] ip6_route_add+0x1c/0x140 [ 1733.912632][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1733.912632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.912632][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.912632][ T3767] netlink_unicast+0x449/0x710 [ 1733.912632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.912632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.912632][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.912632][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.912632][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.912632][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1733.912632][ T3767] [ 1733.916041][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1733.916041][ T3767] netdev_get_by_index+0x5e/0x80 [ 1733.916041][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1733.916041][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1733.916041][ T3767] ip6_route_add+0x1c/0x140 [ 1733.916041][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1733.916041][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1733.916041][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1733.916041][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.916041][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.916041][ T3767] netlink_unicast+0x449/0x710 [ 1733.916041][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.916041][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.916041][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.916041][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.916041][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.916041][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1733.916041][ T3767] [ 1733.919776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1733.919776][ T3767] netdev_get_by_index+0x5e/0x80 [ 1733.919776][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1733.919776][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1733.919776][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1733.919776][ T3767] ipv6_add_addr+0x411/0x2000 [ 1733.919776][ T3767] inet6_addr_add+0x30e/0xa40 [ 1733.919776][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1733.919776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.919776][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.919776][ T3767] netlink_unicast+0x449/0x710 [ 1733.919776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.919776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.919776][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.919776][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.919776][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.919776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1733.919776][ T3767] [ 1733.923541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1733.923541][ T3767] netdev_get_by_index+0x5e/0x80 [ 1733.923541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1733.923541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1733.923541][ T3767] ip6_route_add+0x1c/0x140 [ 1733.923541][ T3767] addrconf_add_mroute+0x129/0x180 [ 1733.923541][ T3767] addrconf_add_dev+0xe2/0x170 [ 1733.923541][ T3767] inet6_addr_add+0x12f/0xa40 [ 1733.923541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1733.923541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.923541][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.923541][ T3767] netlink_unicast+0x449/0x710 [ 1733.923541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.923541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.923541][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.923541][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.923541][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.923541][ T3767] [ 1733.927058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1733.927058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1733.927058][ T3767] ipv6_find_idev+0x102/0x170 [ 1733.927058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1733.927058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.927058][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.927058][ T3767] netlink_unicast+0x449/0x710 [ 1733.927058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.927058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.927058][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.927058][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.927058][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.927058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1733.927058][ T3767] [ 1733.929818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1733.929818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1733.929818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1733.929818][ T3767] ipv6_find_idev+0x102/0x170 [ 1733.929818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1733.929818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1733.929818][ T3767] netlink_rcv_skb+0x130/0x360 [ 1733.929818][ T3767] netlink_unicast+0x449/0x710 [ 1733.929818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1733.929818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1733.929818][ T3767] ___sys_sendmsg+0xee/0x170 [ 1733.929818][ T3767] __sys_sendmsg+0xcd/0x170 [ 1733.929818][ T3767] do_syscall_64+0xc6/0x1e0 [ 1733.929818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1733.929818][ T3767] [ 1744.175950][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1744.176505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1744.176505][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1744.176505][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1744.176505][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1744.176505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1744.176505][ T3767] ip6_route_add+0x1c/0x140 [ 1744.176505][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1744.176505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.176505][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.176505][ T3767] netlink_unicast+0x449/0x710 [ 1744.176505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.176505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.176505][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.176505][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.176505][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.176505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.176505][ T3767] [ 1744.178870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1744.178870][ T3767] netdev_get_by_index+0x5e/0x80 [ 1744.178870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1744.178870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1744.178870][ T3767] ip6_route_add+0x1c/0x140 [ 1744.178870][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1744.178870][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1744.178870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.178870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.178870][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.178870][ T3767] netlink_unicast+0x449/0x710 [ 1744.178870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.178870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.178870][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.178870][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.178870][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.178870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.178870][ T3767] [ 1744.181336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1744.181336][ T3767] netdev_get_by_index+0x5e/0x80 [ 1744.181336][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1744.181336][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1744.181336][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1744.181336][ T3767] ipv6_add_addr+0x411/0x2000 [ 1744.181336][ T3767] inet6_addr_add+0x30e/0xa40 [ 1744.181336][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.181336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.181336][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.181336][ T3767] netlink_unicast+0x449/0x710 [ 1744.181336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.181336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.181336][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.181336][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.181336][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.181336][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.181336][ T3767] [ 1744.183799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1744.183799][ T3767] netdev_get_by_index+0x5e/0x80 [ 1744.183799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1744.183799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1744.183799][ T3767] ip6_route_add+0x1c/0x140 [ 1744.183799][ T3767] addrconf_add_mroute+0x129/0x180 [ 1744.183799][ T3767] addrconf_add_dev+0xe2/0x170 [ 1744.183799][ T3767] inet6_addr_add+0x12f/0xa40 [ 1744.183799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1744.183799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.183799][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.183799][ T3767] netlink_unicast+0x449/0x710 [ 1744.183799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.183799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.183799][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.183799][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.183799][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.183799][ T3767] [ 1744.186244][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1744.186244][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1744.186244][ T3767] ipv6_find_idev+0x102/0x170 [ 1744.186244][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.186244][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.186244][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.186244][ T3767] netlink_unicast+0x449/0x710 [ 1744.186244][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.186244][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.186244][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.186244][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.186244][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.186244][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.186244][ T3767] [ 1744.188145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1744.188145][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1744.188145][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1744.188145][ T3767] ipv6_find_idev+0x102/0x170 [ 1744.188145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1744.188145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1744.188145][ T3767] netlink_rcv_skb+0x130/0x360 [ 1744.188145][ T3767] netlink_unicast+0x449/0x710 [ 1744.188145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1744.188145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1744.188145][ T3767] ___sys_sendmsg+0xee/0x170 [ 1744.188145][ T3767] __sys_sendmsg+0xcd/0x170 [ 1744.188145][ T3767] do_syscall_64+0xc6/0x1e0 [ 1744.188145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1744.188145][ T3767] [ 1754.191895][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1754.192452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1754.192452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1754.192452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1754.192452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1754.192452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1754.192452][ T3767] ip6_route_add+0x1c/0x140 [ 1754.192452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1754.192452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.192452][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.192452][ T3767] netlink_unicast+0x449/0x710 [ 1754.192452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.192452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.192452][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.192452][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.192452][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.192452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1754.192452][ T3767] [ 1754.194813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1754.194813][ T3767] netdev_get_by_index+0x5e/0x80 [ 1754.194813][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1754.194813][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1754.194813][ T3767] ip6_route_add+0x1c/0x140 [ 1754.194813][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1754.194813][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1754.194813][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1754.194813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.194813][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.194813][ T3767] netlink_unicast+0x449/0x710 [ 1754.194813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.194813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.194813][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.194813][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.194813][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.194813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1754.194813][ T3767] [ 1754.197316][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1754.197316][ T3767] netdev_get_by_index+0x5e/0x80 [ 1754.197316][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1754.197316][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1754.197316][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1754.197316][ T3767] ipv6_add_addr+0x411/0x2000 [ 1754.197316][ T3767] inet6_addr_add+0x30e/0xa40 [ 1754.197316][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1754.197316][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.197316][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.197316][ T3767] netlink_unicast+0x449/0x710 [ 1754.197316][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.197316][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.197316][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.197316][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.197316][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.197316][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1754.197316][ T3767] [ 1754.199820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1754.199820][ T3767] netdev_get_by_index+0x5e/0x80 [ 1754.199820][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1754.199820][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1754.199820][ T3767] ip6_route_add+0x1c/0x140 [ 1754.199820][ T3767] addrconf_add_mroute+0x129/0x180 [ 1754.199820][ T3767] addrconf_add_dev+0xe2/0x170 [ 1754.199820][ T3767] inet6_addr_add+0x12f/0xa40 [ 1754.199820][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1754.199820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.199820][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.199820][ T3767] netlink_unicast+0x449/0x710 [ 1754.199820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.199820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.199820][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.199820][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.199820][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.199820][ T3767] [ 1754.202268][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1754.202268][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1754.202268][ T3767] ipv6_find_idev+0x102/0x170 [ 1754.202268][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1754.202268][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.202268][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.202268][ T3767] netlink_unicast+0x449/0x710 [ 1754.202268][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.202268][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.202268][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.202268][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.202268][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.202268][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1754.202268][ T3767] [ 1754.204178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1754.204178][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1754.204178][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1754.204178][ T3767] ipv6_find_idev+0x102/0x170 [ 1754.204178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1754.204178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1754.204178][ T3767] netlink_rcv_skb+0x130/0x360 [ 1754.204178][ T3767] netlink_unicast+0x449/0x710 [ 1754.204178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1754.204178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1754.204178][ T3767] ___sys_sendmsg+0xee/0x170 [ 1754.204178][ T3767] __sys_sendmsg+0xcd/0x170 [ 1754.204178][ T3767] do_syscall_64+0xc6/0x1e0 [ 1754.204178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1754.204178][ T3767] [ 1764.455867][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1764.456348][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1764.456348][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1764.456348][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1764.456348][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1764.456348][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1764.456348][ T3767] ip6_route_add+0x1c/0x140 [ 1764.456348][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1764.456348][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.456348][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.456348][ T3767] netlink_unicast+0x449/0x710 [ 1764.456348][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.456348][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.456348][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.456348][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.456348][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.456348][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1764.456348][ T3767] [ 1764.458682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1764.458682][ T3767] netdev_get_by_index+0x5e/0x80 [ 1764.458682][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1764.458682][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1764.458682][ T3767] ip6_route_add+0x1c/0x140 [ 1764.458682][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1764.458682][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1764.458682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1764.458682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.458682][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.458682][ T3767] netlink_unicast+0x449/0x710 [ 1764.458682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.458682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.458682][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.458682][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.458682][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.458682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1764.458682][ T3767] [ 1764.461142][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1764.461142][ T3767] netdev_get_by_index+0x5e/0x80 [ 1764.461142][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1764.461142][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1764.461142][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1764.461142][ T3767] ipv6_add_addr+0x411/0x2000 [ 1764.461142][ T3767] inet6_addr_add+0x30e/0xa40 [ 1764.461142][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1764.461142][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.461142][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.461142][ T3767] netlink_unicast+0x449/0x710 [ 1764.461142][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.461142][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.461142][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.461142][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.461142][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.461142][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1764.461142][ T3767] [ 1764.463592][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1764.463592][ T3767] netdev_get_by_index+0x5e/0x80 [ 1764.463592][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1764.463592][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1764.463592][ T3767] ip6_route_add+0x1c/0x140 [ 1764.463592][ T3767] addrconf_add_mroute+0x129/0x180 [ 1764.463592][ T3767] addrconf_add_dev+0xe2/0x170 [ 1764.463592][ T3767] inet6_addr_add+0x12f/0xa40 [ 1764.463592][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1764.463592][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.463592][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.463592][ T3767] netlink_unicast+0x449/0x710 [ 1764.463592][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.463592][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.463592][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.463592][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.463592][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.463592][ T3767] [ 1764.465998][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1764.465998][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1764.465998][ T3767] ipv6_find_idev+0x102/0x170 [ 1764.465998][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1764.465998][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.465998][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.465998][ T3767] netlink_unicast+0x449/0x710 [ 1764.465998][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.465998][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.465998][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.465998][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.465998][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.465998][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1764.465998][ T3767] [ 1764.467870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1764.467870][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1764.467870][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1764.467870][ T3767] ipv6_find_idev+0x102/0x170 [ 1764.467870][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1764.467870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1764.467870][ T3767] netlink_rcv_skb+0x130/0x360 [ 1764.467870][ T3767] netlink_unicast+0x449/0x710 [ 1764.467870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1764.467870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1764.467870][ T3767] ___sys_sendmsg+0xee/0x170 [ 1764.467870][ T3767] __sys_sendmsg+0xcd/0x170 [ 1764.467870][ T3767] do_syscall_64+0xc6/0x1e0 [ 1764.467870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1764.467870][ T3767] [ 1774.719905][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1774.720390][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1774.720390][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1774.720390][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1774.720390][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1774.720390][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1774.720390][ T3767] ip6_route_add+0x1c/0x140 [ 1774.720390][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1774.720390][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.720390][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.720390][ T3767] netlink_unicast+0x449/0x710 [ 1774.720390][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.720390][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.720390][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.720390][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.720390][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.720390][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1774.720390][ T3767] [ 1774.722725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1774.722725][ T3767] netdev_get_by_index+0x5e/0x80 [ 1774.722725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1774.722725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1774.722725][ T3767] ip6_route_add+0x1c/0x140 [ 1774.722725][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1774.722725][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1774.722725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1774.722725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.722725][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.722725][ T3767] netlink_unicast+0x449/0x710 [ 1774.722725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.722725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.722725][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.722725][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.722725][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.722725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1774.722725][ T3767] [ 1774.725159][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1774.725159][ T3767] netdev_get_by_index+0x5e/0x80 [ 1774.725159][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1774.725159][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1774.725159][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1774.725159][ T3767] ipv6_add_addr+0x411/0x2000 [ 1774.725159][ T3767] inet6_addr_add+0x30e/0xa40 [ 1774.725159][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1774.725159][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.725159][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.725159][ T3767] netlink_unicast+0x449/0x710 [ 1774.725159][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.725159][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.725159][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.725159][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.725159][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.725159][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1774.725159][ T3767] [ 1774.727600][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1774.727600][ T3767] netdev_get_by_index+0x5e/0x80 [ 1774.727600][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1774.727600][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1774.727600][ T3767] ip6_route_add+0x1c/0x140 [ 1774.727600][ T3767] addrconf_add_mroute+0x129/0x180 [ 1774.727600][ T3767] addrconf_add_dev+0xe2/0x170 [ 1774.727600][ T3767] inet6_addr_add+0x12f/0xa40 [ 1774.727600][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1774.727600][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.727600][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.727600][ T3767] netlink_unicast+0x449/0x710 [ 1774.727600][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.727600][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.727600][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.727600][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.727600][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.727600][ T3767] [ 1774.730005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1774.730005][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1774.730005][ T3767] ipv6_find_idev+0x102/0x170 [ 1774.730005][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1774.730005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.730005][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.730005][ T3767] netlink_unicast+0x449/0x710 [ 1774.730005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.730005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.730005][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.730005][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.730005][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.730005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1774.730005][ T3767] [ 1774.731874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1774.731874][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1774.731874][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1774.731874][ T3767] ipv6_find_idev+0x102/0x170 [ 1774.731874][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1774.731874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1774.731874][ T3767] netlink_rcv_skb+0x130/0x360 [ 1774.731874][ T3767] netlink_unicast+0x449/0x710 [ 1774.731874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1774.731874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1774.731874][ T3767] ___sys_sendmsg+0xee/0x170 [ 1774.731874][ T3767] __sys_sendmsg+0xcd/0x170 [ 1774.731874][ T3767] do_syscall_64+0xc6/0x1e0 [ 1774.731874][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1774.731874][ T3767] [ 1784.975894][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1784.976374][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1784.976374][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1784.976374][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1784.976374][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1784.976374][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1784.976374][ T3767] ip6_route_add+0x1c/0x140 [ 1784.976374][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1784.976374][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.976374][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.976374][ T3767] netlink_unicast+0x449/0x710 [ 1784.976374][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.976374][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.976374][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.976374][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.976374][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.976374][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1784.976374][ T3767] [ 1784.978698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1784.978698][ T3767] netdev_get_by_index+0x5e/0x80 [ 1784.978698][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1784.978698][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1784.978698][ T3767] ip6_route_add+0x1c/0x140 [ 1784.978698][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1784.978698][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1784.978698][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1784.978698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.978698][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.978698][ T3767] netlink_unicast+0x449/0x710 [ 1784.978698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.978698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.978698][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.978698][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.978698][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.978698][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1784.978698][ T3767] [ 1784.981172][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1784.981172][ T3767] netdev_get_by_index+0x5e/0x80 [ 1784.981172][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1784.981172][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1784.981172][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1784.981172][ T3767] ipv6_add_addr+0x411/0x2000 [ 1784.981172][ T3767] inet6_addr_add+0x30e/0xa40 [ 1784.981172][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1784.981172][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.981172][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.981172][ T3767] netlink_unicast+0x449/0x710 [ 1784.981172][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.981172][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.981172][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.981172][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.981172][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.981172][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1784.981172][ T3767] [ 1784.983598][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1784.983598][ T3767] netdev_get_by_index+0x5e/0x80 [ 1784.983598][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1784.983598][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1784.983598][ T3767] ip6_route_add+0x1c/0x140 [ 1784.983598][ T3767] addrconf_add_mroute+0x129/0x180 [ 1784.983598][ T3767] addrconf_add_dev+0xe2/0x170 [ 1784.983598][ T3767] inet6_addr_add+0x12f/0xa40 [ 1784.983598][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1784.983598][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.983598][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.983598][ T3767] netlink_unicast+0x449/0x710 [ 1784.983598][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.983598][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.983598][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.983598][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.983598][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.983598][ T3767] [ 1784.985990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1784.985990][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1784.985990][ T3767] ipv6_find_idev+0x102/0x170 [ 1784.985990][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1784.985990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.985990][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.985990][ T3767] netlink_unicast+0x449/0x710 [ 1784.985990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.985990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.985990][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.985990][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.985990][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.985990][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1784.985990][ T3767] [ 1784.987865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1784.987865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1784.987865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1784.987865][ T3767] ipv6_find_idev+0x102/0x170 [ 1784.987865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1784.987865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1784.987865][ T3767] netlink_rcv_skb+0x130/0x360 [ 1784.987865][ T3767] netlink_unicast+0x449/0x710 [ 1784.987865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1784.987865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1784.987865][ T3767] ___sys_sendmsg+0xee/0x170 [ 1784.987865][ T3767] __sys_sendmsg+0xcd/0x170 [ 1784.987865][ T3767] do_syscall_64+0xc6/0x1e0 [ 1784.987865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1784.987865][ T3767] [ 1795.239895][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1795.240394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1795.240394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1795.240394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1795.240394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1795.240394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1795.240394][ T3767] ip6_route_add+0x1c/0x140 [ 1795.240394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1795.240394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.240394][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.240394][ T3767] netlink_unicast+0x449/0x710 [ 1795.240394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.240394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.240394][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.240394][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.240394][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.240394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1795.240394][ T3767] [ 1795.242695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1795.242695][ T3767] netdev_get_by_index+0x5e/0x80 [ 1795.242695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1795.242695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1795.242695][ T3767] ip6_route_add+0x1c/0x140 [ 1795.242695][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1795.242695][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1795.242695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1795.242695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.242695][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.242695][ T3767] netlink_unicast+0x449/0x710 [ 1795.242695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.242695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.242695][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.242695][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.242695][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.242695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1795.242695][ T3767] [ 1795.245159][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1795.245159][ T3767] netdev_get_by_index+0x5e/0x80 [ 1795.245159][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1795.245159][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1795.245159][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1795.245159][ T3767] ipv6_add_addr+0x411/0x2000 [ 1795.245159][ T3767] inet6_addr_add+0x30e/0xa40 [ 1795.245159][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1795.245159][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.245159][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.245159][ T3767] netlink_unicast+0x449/0x710 [ 1795.245159][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.245159][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.245159][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.245159][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.245159][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.245159][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1795.245159][ T3767] [ 1795.247632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1795.247632][ T3767] netdev_get_by_index+0x5e/0x80 [ 1795.247632][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1795.247632][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1795.247632][ T3767] ip6_route_add+0x1c/0x140 [ 1795.247632][ T3767] addrconf_add_mroute+0x129/0x180 [ 1795.247632][ T3767] addrconf_add_dev+0xe2/0x170 [ 1795.247632][ T3767] inet6_addr_add+0x12f/0xa40 [ 1795.247632][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1795.247632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.247632][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.247632][ T3767] netlink_unicast+0x449/0x710 [ 1795.247632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.247632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.247632][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.247632][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.247632][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.247632][ T3767] [ 1795.250076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1795.250076][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1795.250076][ T3767] ipv6_find_idev+0x102/0x170 [ 1795.250076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1795.250076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.250076][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.250076][ T3767] netlink_unicast+0x449/0x710 [ 1795.250076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.250076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.250076][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.250076][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.250076][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.250076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1795.250076][ T3767] [ 1795.251987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1795.251987][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1795.251987][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1795.251987][ T3767] ipv6_find_idev+0x102/0x170 [ 1795.251987][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1795.251987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1795.251987][ T3767] netlink_rcv_skb+0x130/0x360 [ 1795.251987][ T3767] netlink_unicast+0x449/0x710 [ 1795.251987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1795.251987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1795.251987][ T3767] ___sys_sendmsg+0xee/0x170 [ 1795.251987][ T3767] __sys_sendmsg+0xcd/0x170 [ 1795.251987][ T3767] do_syscall_64+0xc6/0x1e0 [ 1795.251987][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1795.251987][ T3767] [ 1805.503943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1805.504447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1805.504447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1805.504447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1805.504447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1805.504447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1805.504447][ T3767] ip6_route_add+0x1c/0x140 [ 1805.504447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1805.504447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.504447][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.504447][ T3767] netlink_unicast+0x449/0x710 [ 1805.504447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.504447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.504447][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.504447][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.504447][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.504447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1805.504447][ T3767] [ 1805.506762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1805.506762][ T3767] netdev_get_by_index+0x5e/0x80 [ 1805.506762][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1805.506762][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1805.506762][ T3767] ip6_route_add+0x1c/0x140 [ 1805.506762][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1805.506762][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1805.506762][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1805.506762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.506762][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.506762][ T3767] netlink_unicast+0x449/0x710 [ 1805.506762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.506762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.506762][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.506762][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.506762][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.506762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1805.506762][ T3767] [ 1805.509202][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1805.509202][ T3767] netdev_get_by_index+0x5e/0x80 [ 1805.509202][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1805.509202][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1805.509202][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1805.509202][ T3767] ipv6_add_addr+0x411/0x2000 [ 1805.509202][ T3767] inet6_addr_add+0x30e/0xa40 [ 1805.509202][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1805.509202][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.509202][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.509202][ T3767] netlink_unicast+0x449/0x710 [ 1805.509202][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.509202][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.509202][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.509202][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.509202][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.509202][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1805.509202][ T3767] [ 1805.511638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1805.511638][ T3767] netdev_get_by_index+0x5e/0x80 [ 1805.511638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1805.511638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1805.511638][ T3767] ip6_route_add+0x1c/0x140 [ 1805.511638][ T3767] addrconf_add_mroute+0x129/0x180 [ 1805.511638][ T3767] addrconf_add_dev+0xe2/0x170 [ 1805.511638][ T3767] inet6_addr_add+0x12f/0xa40 [ 1805.511638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1805.511638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.511638][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.511638][ T3767] netlink_unicast+0x449/0x710 [ 1805.511638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.511638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.511638][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.511638][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.511638][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.511638][ T3767] [ 1805.514050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1805.514050][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1805.514050][ T3767] ipv6_find_idev+0x102/0x170 [ 1805.514050][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1805.514050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.514050][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.514050][ T3767] netlink_unicast+0x449/0x710 [ 1805.514050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.514050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.514050][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.514050][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.514050][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.514050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1805.514050][ T3767] [ 1805.515938][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1805.515938][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1805.515938][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1805.515938][ T3767] ipv6_find_idev+0x102/0x170 [ 1805.515938][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1805.515938][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1805.515938][ T3767] netlink_rcv_skb+0x130/0x360 [ 1805.515938][ T3767] netlink_unicast+0x449/0x710 [ 1805.515938][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1805.515938][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1805.515938][ T3767] ___sys_sendmsg+0xee/0x170 [ 1805.515938][ T3767] __sys_sendmsg+0xcd/0x170 [ 1805.515938][ T3767] do_syscall_64+0xc6/0x1e0 [ 1805.515938][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1805.515938][ T3767] [ 1815.767900][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1815.768507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1815.768507][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1815.768507][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1815.768507][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1815.768507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1815.768507][ T3767] ip6_route_add+0x1c/0x140 [ 1815.768507][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1815.768507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.768507][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.768507][ T3767] netlink_unicast+0x449/0x710 [ 1815.768507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.768507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.768507][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.768507][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.768507][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.768507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1815.768507][ T3767] [ 1815.770812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1815.770812][ T3767] netdev_get_by_index+0x5e/0x80 [ 1815.770812][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1815.770812][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1815.770812][ T3767] ip6_route_add+0x1c/0x140 [ 1815.770812][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1815.770812][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1815.770812][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1815.770812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.770812][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.770812][ T3767] netlink_unicast+0x449/0x710 [ 1815.770812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.770812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.770812][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.770812][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.770812][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.770812][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1815.770812][ T3767] [ 1815.773247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1815.773247][ T3767] netdev_get_by_index+0x5e/0x80 [ 1815.773247][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1815.773247][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1815.773247][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1815.773247][ T3767] ipv6_add_addr+0x411/0x2000 [ 1815.773247][ T3767] inet6_addr_add+0x30e/0xa40 [ 1815.773247][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1815.773247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.773247][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.773247][ T3767] netlink_unicast+0x449/0x710 [ 1815.773247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.773247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.773247][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.773247][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.773247][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.773247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1815.773247][ T3767] [ 1815.775647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1815.775647][ T3767] netdev_get_by_index+0x5e/0x80 [ 1815.775647][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1815.775647][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1815.775647][ T3767] ip6_route_add+0x1c/0x140 [ 1815.775647][ T3767] addrconf_add_mroute+0x129/0x180 [ 1815.775647][ T3767] addrconf_add_dev+0xe2/0x170 [ 1815.775647][ T3767] inet6_addr_add+0x12f/0xa40 [ 1815.775647][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1815.775647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.775647][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.775647][ T3767] netlink_unicast+0x449/0x710 [ 1815.775647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.775647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.775647][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.775647][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.775647][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.775647][ T3767] [ 1815.778014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1815.778014][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1815.778014][ T3767] ipv6_find_idev+0x102/0x170 [ 1815.778014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1815.778014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.778014][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.778014][ T3767] netlink_unicast+0x449/0x710 [ 1815.778014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.778014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.778014][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.778014][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.778014][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.778014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1815.778014][ T3767] [ 1815.779902][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1815.779902][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1815.779902][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1815.779902][ T3767] ipv6_find_idev+0x102/0x170 [ 1815.779902][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1815.779902][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1815.779902][ T3767] netlink_rcv_skb+0x130/0x360 [ 1815.779902][ T3767] netlink_unicast+0x449/0x710 [ 1815.779902][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1815.779902][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1815.779902][ T3767] ___sys_sendmsg+0xee/0x170 [ 1815.779902][ T3767] __sys_sendmsg+0xcd/0x170 [ 1815.779902][ T3767] do_syscall_64+0xc6/0x1e0 [ 1815.779902][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1815.779902][ T3767] [ 1826.031955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1826.032489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1826.032489][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1826.032489][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1826.032489][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1826.032489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1826.032489][ T3767] ip6_route_add+0x1c/0x140 [ 1826.032489][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1826.032489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.032489][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.032489][ T3767] netlink_unicast+0x449/0x710 [ 1826.032489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.032489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.032489][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.032489][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.032489][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.032489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.032489][ T3767] [ 1826.034816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1826.034816][ T3767] netdev_get_by_index+0x5e/0x80 [ 1826.034816][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1826.034816][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1826.034816][ T3767] ip6_route_add+0x1c/0x140 [ 1826.034816][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1826.034816][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1826.034816][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.034816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.034816][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.034816][ T3767] netlink_unicast+0x449/0x710 [ 1826.034816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.034816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.034816][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.034816][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.034816][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.034816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.034816][ T3767] [ 1826.037221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1826.037221][ T3767] netdev_get_by_index+0x5e/0x80 [ 1826.037221][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1826.037221][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1826.037221][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1826.037221][ T3767] ipv6_add_addr+0x411/0x2000 [ 1826.037221][ T3767] inet6_addr_add+0x30e/0xa40 [ 1826.037221][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.037221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.037221][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.037221][ T3767] netlink_unicast+0x449/0x710 [ 1826.037221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.037221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.037221][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.037221][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.037221][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.037221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.037221][ T3767] [ 1826.039637][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1826.039637][ T3767] netdev_get_by_index+0x5e/0x80 [ 1826.039637][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1826.039637][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1826.039637][ T3767] ip6_route_add+0x1c/0x140 [ 1826.039637][ T3767] addrconf_add_mroute+0x129/0x180 [ 1826.039637][ T3767] addrconf_add_dev+0xe2/0x170 [ 1826.039637][ T3767] inet6_addr_add+0x12f/0xa40 [ 1826.039637][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.039637][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.039637][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.039637][ T3767] netlink_unicast+0x449/0x710 [ 1826.039637][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.039637][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.039637][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.039637][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.039637][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.039637][ T3767] [ 1826.041998][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1826.041998][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1826.041998][ T3767] ipv6_find_idev+0x102/0x170 [ 1826.041998][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.041998][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.041998][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.041998][ T3767] netlink_unicast+0x449/0x710 [ 1826.041998][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.041998][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.041998][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.041998][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.041998][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.041998][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.041998][ T3767] [ 1826.043859][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1826.043859][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1826.043859][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1826.043859][ T3767] ipv6_find_idev+0x102/0x170 [ 1826.043859][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.043859][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.043859][ T3767] netlink_rcv_skb+0x130/0x360 [ 1826.043859][ T3767] netlink_unicast+0x449/0x710 [ 1826.043859][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1826.043859][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1826.043859][ T3767] ___sys_sendmsg+0xee/0x170 [ 1826.043859][ T3767] __sys_sendmsg+0xcd/0x170 [ 1826.043859][ T3767] do_syscall_64+0xc6/0x1e0 [ 1826.043859][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.043859][ T3767] [ 1836.295949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1836.296471][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1836.296471][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1836.296471][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1836.296471][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1836.296471][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1836.296471][ T3767] ip6_route_add+0x1c/0x140 [ 1836.296471][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1836.296471][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.296471][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.296471][ T3767] netlink_unicast+0x449/0x710 [ 1836.296471][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.296471][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.296471][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.296471][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.296471][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.296471][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1836.296471][ T3767] [ 1836.298795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1836.298795][ T3767] netdev_get_by_index+0x5e/0x80 [ 1836.298795][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1836.298795][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1836.298795][ T3767] ip6_route_add+0x1c/0x140 [ 1836.298795][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1836.298795][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1836.298795][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1836.298795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.298795][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.298795][ T3767] netlink_unicast+0x449/0x710 [ 1836.298795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.298795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.298795][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.298795][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.298795][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.298795][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1836.298795][ T3767] [ 1836.301277][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1836.301277][ T3767] netdev_get_by_index+0x5e/0x80 [ 1836.301277][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1836.301277][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1836.301277][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1836.301277][ T3767] ipv6_add_addr+0x411/0x2000 [ 1836.301277][ T3767] inet6_addr_add+0x30e/0xa40 [ 1836.301277][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1836.301277][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.301277][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.301277][ T3767] netlink_unicast+0x449/0x710 [ 1836.301277][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.301277][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.301277][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.301277][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.301277][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.301277][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1836.301277][ T3767] [ 1836.303777][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1836.303777][ T3767] netdev_get_by_index+0x5e/0x80 [ 1836.303777][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1836.303777][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1836.303777][ T3767] ip6_route_add+0x1c/0x140 [ 1836.303777][ T3767] addrconf_add_mroute+0x129/0x180 [ 1836.303777][ T3767] addrconf_add_dev+0xe2/0x170 [ 1836.303777][ T3767] inet6_addr_add+0x12f/0xa40 [ 1836.303777][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1836.303777][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.303777][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.303777][ T3767] netlink_unicast+0x449/0x710 [ 1836.303777][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.303777][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.303777][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.303777][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.303777][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.303777][ T3767] [ 1836.306181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1836.306181][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1836.306181][ T3767] ipv6_find_idev+0x102/0x170 [ 1836.306181][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1836.306181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.306181][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.306181][ T3767] netlink_unicast+0x449/0x710 [ 1836.306181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.306181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.306181][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.306181][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.306181][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.306181][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1836.306181][ T3767] [ 1836.308768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1836.308768][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1836.308768][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1836.308768][ T3767] ipv6_find_idev+0x102/0x170 [ 1836.308768][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1836.308768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1836.308768][ T3767] netlink_rcv_skb+0x130/0x360 [ 1836.308768][ T3767] netlink_unicast+0x449/0x710 [ 1836.308768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1836.308768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1836.308768][ T3767] ___sys_sendmsg+0xee/0x170 [ 1836.308768][ T3767] __sys_sendmsg+0xcd/0x170 [ 1836.308768][ T3767] do_syscall_64+0xc6/0x1e0 [ 1836.308768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1836.308768][ T3767] [ 1846.559932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1846.560650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1846.560650][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1846.560650][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1846.560650][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1846.560650][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1846.560650][ T3767] ip6_route_add+0x1c/0x140 [ 1846.560650][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1846.560650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.560650][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.560650][ T3767] netlink_unicast+0x449/0x710 [ 1846.560650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.560650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.560650][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.560650][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.560650][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.560650][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1846.560650][ T3767] [ 1846.564198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1846.564198][ T3767] netdev_get_by_index+0x5e/0x80 [ 1846.564198][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1846.564198][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1846.564198][ T3767] ip6_route_add+0x1c/0x140 [ 1846.564198][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1846.564198][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1846.564198][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1846.564198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.564198][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.564198][ T3767] netlink_unicast+0x449/0x710 [ 1846.564198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.564198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.564198][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.564198][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.564198][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.564198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1846.564198][ T3767] [ 1846.567578][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1846.567578][ T3767] netdev_get_by_index+0x5e/0x80 [ 1846.567578][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1846.567578][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1846.567578][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1846.567578][ T3767] ipv6_add_addr+0x411/0x2000 [ 1846.567578][ T3767] inet6_addr_add+0x30e/0xa40 [ 1846.567578][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1846.567578][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.567578][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.567578][ T3767] netlink_unicast+0x449/0x710 [ 1846.567578][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.567578][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.567578][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.567578][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.567578][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.567578][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1846.567578][ T3767] [ 1846.570992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1846.570992][ T3767] netdev_get_by_index+0x5e/0x80 [ 1846.570992][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1846.570992][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1846.570992][ T3767] ip6_route_add+0x1c/0x140 [ 1846.570992][ T3767] addrconf_add_mroute+0x129/0x180 [ 1846.570992][ T3767] addrconf_add_dev+0xe2/0x170 [ 1846.570992][ T3767] inet6_addr_add+0x12f/0xa40 [ 1846.570992][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1846.570992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.570992][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.570992][ T3767] netlink_unicast+0x449/0x710 [ 1846.570992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.570992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.570992][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.570992][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.570992][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.570992][ T3767] [ 1846.574582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1846.574582][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1846.574582][ T3767] ipv6_find_idev+0x102/0x170 [ 1846.574582][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1846.574582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.574582][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.574582][ T3767] netlink_unicast+0x449/0x710 [ 1846.574582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.574582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.574582][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.574582][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.574582][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.574582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1846.574582][ T3767] [ 1846.577369][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1846.577369][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1846.577369][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1846.577369][ T3767] ipv6_find_idev+0x102/0x170 [ 1846.577369][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1846.577369][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1846.577369][ T3767] netlink_rcv_skb+0x130/0x360 [ 1846.577369][ T3767] netlink_unicast+0x449/0x710 [ 1846.577369][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1846.577369][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1846.577369][ T3767] ___sys_sendmsg+0xee/0x170 [ 1846.577369][ T3767] __sys_sendmsg+0xcd/0x170 [ 1846.577369][ T3767] do_syscall_64+0xc6/0x1e0 [ 1846.577369][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1846.577369][ T3767] [ 1856.711946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1856.712470][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1856.712470][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1856.712470][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1856.712470][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1856.712470][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1856.712470][ T3767] ip6_route_add+0x1c/0x140 [ 1856.712470][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1856.712470][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.712470][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.712470][ T3767] netlink_unicast+0x449/0x710 [ 1856.712470][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.712470][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.712470][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.712470][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.712470][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.712470][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1856.712470][ T3767] [ 1856.714579][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1856.714579][ T3767] netdev_get_by_index+0x5e/0x80 [ 1856.714579][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1856.714579][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1856.714579][ T3767] ip6_route_add+0x1c/0x140 [ 1856.714579][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1856.714579][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1856.714579][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1856.714579][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.714579][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.714579][ T3767] netlink_unicast+0x449/0x710 [ 1856.714579][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.714579][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.714579][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.714579][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.714579][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.714579][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1856.714579][ T3767] [ 1856.716869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1856.716869][ T3767] netdev_get_by_index+0x5e/0x80 [ 1856.716869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1856.716869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1856.716869][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1856.716869][ T3767] ipv6_add_addr+0x411/0x2000 [ 1856.716869][ T3767] inet6_addr_add+0x30e/0xa40 [ 1856.716869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1856.716869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.716869][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.716869][ T3767] netlink_unicast+0x449/0x710 [ 1856.716869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.716869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.716869][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.716869][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.716869][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.716869][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1856.716869][ T3767] [ 1856.719226][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1856.719226][ T3767] netdev_get_by_index+0x5e/0x80 [ 1856.719226][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1856.719226][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1856.719226][ T3767] ip6_route_add+0x1c/0x140 [ 1856.719226][ T3767] addrconf_add_mroute+0x129/0x180 [ 1856.719226][ T3767] addrconf_add_dev+0xe2/0x170 [ 1856.719226][ T3767] inet6_addr_add+0x12f/0xa40 [ 1856.719226][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1856.719226][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.719226][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.719226][ T3767] netlink_unicast+0x449/0x710 [ 1856.719226][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.719226][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.719226][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.719226][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.719226][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.719226][ T3767] [ 1856.721396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1856.721396][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1856.721396][ T3767] ipv6_find_idev+0x102/0x170 [ 1856.721396][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1856.721396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.721396][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.721396][ T3767] netlink_unicast+0x449/0x710 [ 1856.721396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.721396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.721396][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.721396][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.721396][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.721396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1856.721396][ T3767] [ 1856.723459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1856.723459][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1856.723459][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1856.723459][ T3767] ipv6_find_idev+0x102/0x170 [ 1856.723459][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1856.723459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1856.723459][ T3767] netlink_rcv_skb+0x130/0x360 [ 1856.723459][ T3767] netlink_unicast+0x449/0x710 [ 1856.723459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1856.723459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1856.723459][ T3767] ___sys_sendmsg+0xee/0x170 [ 1856.723459][ T3767] __sys_sendmsg+0xcd/0x170 [ 1856.723459][ T3767] do_syscall_64+0xc6/0x1e0 [ 1856.723459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1856.723459][ T3767] [ 1866.967899][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1866.968338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1866.968338][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1866.968338][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1866.968338][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1866.968338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1866.968338][ T3767] ip6_route_add+0x1c/0x140 [ 1866.968338][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1866.968338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.968338][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.968338][ T3767] netlink_unicast+0x449/0x710 [ 1866.968338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.968338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.968338][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.968338][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.968338][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.968338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1866.968338][ T3767] [ 1866.970529][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1866.970529][ T3767] netdev_get_by_index+0x5e/0x80 [ 1866.970529][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1866.970529][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1866.970529][ T3767] ip6_route_add+0x1c/0x140 [ 1866.970529][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1866.970529][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1866.970529][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1866.970529][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.970529][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.970529][ T3767] netlink_unicast+0x449/0x710 [ 1866.970529][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.970529][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.970529][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.970529][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.970529][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.970529][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1866.970529][ T3767] [ 1866.972741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1866.972741][ T3767] netdev_get_by_index+0x5e/0x80 [ 1866.972741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1866.972741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1866.972741][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1866.972741][ T3767] ipv6_add_addr+0x411/0x2000 [ 1866.972741][ T3767] inet6_addr_add+0x30e/0xa40 [ 1866.972741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1866.972741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.972741][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.972741][ T3767] netlink_unicast+0x449/0x710 [ 1866.972741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.972741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.972741][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.972741][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.972741][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.972741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1866.972741][ T3767] [ 1866.974924][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1866.974924][ T3767] netdev_get_by_index+0x5e/0x80 [ 1866.974924][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1866.974924][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1866.974924][ T3767] ip6_route_add+0x1c/0x140 [ 1866.974924][ T3767] addrconf_add_mroute+0x129/0x180 [ 1866.974924][ T3767] addrconf_add_dev+0xe2/0x170 [ 1866.974924][ T3767] inet6_addr_add+0x12f/0xa40 [ 1866.974924][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1866.974924][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.974924][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.974924][ T3767] netlink_unicast+0x449/0x710 [ 1866.974924][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.974924][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.974924][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.974924][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.974924][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.974924][ T3767] [ 1866.977123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1866.977123][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1866.977123][ T3767] ipv6_find_idev+0x102/0x170 [ 1866.977123][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1866.977123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.977123][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.977123][ T3767] netlink_unicast+0x449/0x710 [ 1866.977123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.977123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.977123][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.977123][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.977123][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.977123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1866.977123][ T3767] [ 1866.978824][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1866.978824][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1866.978824][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1866.978824][ T3767] ipv6_find_idev+0x102/0x170 [ 1866.978824][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1866.978824][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1866.978824][ T3767] netlink_rcv_skb+0x130/0x360 [ 1866.978824][ T3767] netlink_unicast+0x449/0x710 [ 1866.978824][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1866.978824][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1866.978824][ T3767] ___sys_sendmsg+0xee/0x170 [ 1866.978824][ T3767] __sys_sendmsg+0xcd/0x170 [ 1866.978824][ T3767] do_syscall_64+0xc6/0x1e0 [ 1866.978824][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1866.978824][ T3767] [ 1877.223957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1877.224455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1877.224455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1877.224455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1877.224455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1877.224455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1877.224455][ T3767] ip6_route_add+0x1c/0x140 [ 1877.224455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1877.224455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.224455][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.224455][ T3767] netlink_unicast+0x449/0x710 [ 1877.224455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.224455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.224455][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.224455][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.224455][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.224455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.224455][ T3767] [ 1877.226564][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1877.226564][ T3767] netdev_get_by_index+0x5e/0x80 [ 1877.226564][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1877.226564][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1877.226564][ T3767] ip6_route_add+0x1c/0x140 [ 1877.226564][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1877.226564][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1877.226564][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.226564][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.226564][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.226564][ T3767] netlink_unicast+0x449/0x710 [ 1877.226564][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.226564][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.226564][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.226564][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.226564][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.226564][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.226564][ T3767] [ 1877.228764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1877.228764][ T3767] netdev_get_by_index+0x5e/0x80 [ 1877.228764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1877.228764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1877.228764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1877.228764][ T3767] ipv6_add_addr+0x411/0x2000 [ 1877.228764][ T3767] inet6_addr_add+0x30e/0xa40 [ 1877.228764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.228764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.228764][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.228764][ T3767] netlink_unicast+0x449/0x710 [ 1877.228764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.228764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.228764][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.228764][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.228764][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.228764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.228764][ T3767] [ 1877.230951][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1877.230951][ T3767] netdev_get_by_index+0x5e/0x80 [ 1877.230951][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1877.230951][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1877.230951][ T3767] ip6_route_add+0x1c/0x140 [ 1877.230951][ T3767] addrconf_add_mroute+0x129/0x180 [ 1877.230951][ T3767] addrconf_add_dev+0xe2/0x170 [ 1877.230951][ T3767] inet6_addr_add+0x12f/0xa40 [ 1877.230951][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.230951][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.230951][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.230951][ T3767] netlink_unicast+0x449/0x710 [ 1877.230951][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.230951][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.230951][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.230951][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.230951][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.230951][ T3767] [ 1877.233095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1877.233095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1877.233095][ T3767] ipv6_find_idev+0x102/0x170 [ 1877.233095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.233095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.233095][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.233095][ T3767] netlink_unicast+0x449/0x710 [ 1877.233095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.233095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.233095][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.233095][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.233095][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.233095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.233095][ T3767] [ 1877.234781][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1877.234781][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1877.234781][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1877.234781][ T3767] ipv6_find_idev+0x102/0x170 [ 1877.234781][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.234781][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.234781][ T3767] netlink_rcv_skb+0x130/0x360 [ 1877.234781][ T3767] netlink_unicast+0x449/0x710 [ 1877.234781][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1877.234781][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1877.234781][ T3767] ___sys_sendmsg+0xee/0x170 [ 1877.234781][ T3767] __sys_sendmsg+0xcd/0x170 [ 1877.234781][ T3767] do_syscall_64+0xc6/0x1e0 [ 1877.234781][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.234781][ T3767] [ 1887.471937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1887.472443][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1887.472443][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1887.472443][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1887.472443][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1887.472443][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1887.472443][ T3767] ip6_route_add+0x1c/0x140 [ 1887.472443][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1887.472443][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.472443][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.472443][ T3767] netlink_unicast+0x449/0x710 [ 1887.472443][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.472443][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.472443][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.472443][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.472443][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.472443][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1887.472443][ T3767] [ 1887.474716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1887.474716][ T3767] netdev_get_by_index+0x5e/0x80 [ 1887.474716][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1887.474716][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1887.474716][ T3767] ip6_route_add+0x1c/0x140 [ 1887.474716][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1887.474716][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1887.474716][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1887.474716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.474716][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.474716][ T3767] netlink_unicast+0x449/0x710 [ 1887.474716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.474716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.474716][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.474716][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.474716][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.474716][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1887.474716][ T3767] [ 1887.477103][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1887.477103][ T3767] netdev_get_by_index+0x5e/0x80 [ 1887.477103][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1887.477103][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1887.477103][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1887.477103][ T3767] ipv6_add_addr+0x411/0x2000 [ 1887.477103][ T3767] inet6_addr_add+0x30e/0xa40 [ 1887.477103][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1887.477103][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.477103][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.477103][ T3767] netlink_unicast+0x449/0x710 [ 1887.477103][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.477103][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.477103][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.477103][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.477103][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.477103][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1887.477103][ T3767] [ 1887.479638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1887.479638][ T3767] netdev_get_by_index+0x5e/0x80 [ 1887.479638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1887.479638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1887.479638][ T3767] ip6_route_add+0x1c/0x140 [ 1887.479638][ T3767] addrconf_add_mroute+0x129/0x180 [ 1887.479638][ T3767] addrconf_add_dev+0xe2/0x170 [ 1887.479638][ T3767] inet6_addr_add+0x12f/0xa40 [ 1887.479638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1887.479638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.479638][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.479638][ T3767] netlink_unicast+0x449/0x710 [ 1887.479638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.479638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.479638][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.479638][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.479638][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.479638][ T3767] [ 1887.481996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1887.481996][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1887.481996][ T3767] ipv6_find_idev+0x102/0x170 [ 1887.481996][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1887.481996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.481996][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.481996][ T3767] netlink_unicast+0x449/0x710 [ 1887.481996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.481996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.481996][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.481996][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.481996][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.481996][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1887.481996][ T3767] [ 1887.483909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1887.483909][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1887.483909][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1887.483909][ T3767] ipv6_find_idev+0x102/0x170 [ 1887.483909][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1887.483909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1887.483909][ T3767] netlink_rcv_skb+0x130/0x360 [ 1887.483909][ T3767] netlink_unicast+0x449/0x710 [ 1887.483909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1887.483909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1887.483909][ T3767] ___sys_sendmsg+0xee/0x170 [ 1887.483909][ T3767] __sys_sendmsg+0xcd/0x170 [ 1887.483909][ T3767] do_syscall_64+0xc6/0x1e0 [ 1887.483909][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1887.483909][ T3767] [ 1897.727952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1897.728629][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1897.728629][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1897.728629][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1897.728629][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1897.728629][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1897.728629][ T3767] ip6_route_add+0x1c/0x140 [ 1897.728629][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1897.728629][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.728629][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.728629][ T3767] netlink_unicast+0x449/0x710 [ 1897.728629][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.728629][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.728629][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.728629][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.728629][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.728629][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1897.728629][ T3767] [ 1897.731769][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1897.731769][ T3767] netdev_get_by_index+0x5e/0x80 [ 1897.731769][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1897.731769][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1897.731769][ T3767] ip6_route_add+0x1c/0x140 [ 1897.731769][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1897.731769][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1897.731769][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1897.731769][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.731769][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.731769][ T3767] netlink_unicast+0x449/0x710 [ 1897.731769][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.731769][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.731769][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.731769][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.731769][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.731769][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1897.731769][ T3767] [ 1897.735289][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1897.735289][ T3767] netdev_get_by_index+0x5e/0x80 [ 1897.735289][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1897.735289][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1897.735289][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1897.735289][ T3767] ipv6_add_addr+0x411/0x2000 [ 1897.735289][ T3767] inet6_addr_add+0x30e/0xa40 [ 1897.735289][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1897.735289][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.735289][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.735289][ T3767] netlink_unicast+0x449/0x710 [ 1897.735289][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.735289][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.735289][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.735289][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.735289][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.735289][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1897.735289][ T3767] [ 1897.738852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1897.738852][ T3767] netdev_get_by_index+0x5e/0x80 [ 1897.738852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1897.738852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1897.738852][ T3767] ip6_route_add+0x1c/0x140 [ 1897.738852][ T3767] addrconf_add_mroute+0x129/0x180 [ 1897.738852][ T3767] addrconf_add_dev+0xe2/0x170 [ 1897.738852][ T3767] inet6_addr_add+0x12f/0xa40 [ 1897.738852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1897.738852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.738852][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.738852][ T3767] netlink_unicast+0x449/0x710 [ 1897.738852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.738852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.738852][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.738852][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.738852][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.738852][ T3767] [ 1897.742295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1897.742295][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1897.742295][ T3767] ipv6_find_idev+0x102/0x170 [ 1897.742295][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1897.742295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.742295][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.742295][ T3767] netlink_unicast+0x449/0x710 [ 1897.742295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.742295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.742295][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.742295][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.742295][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.742295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1897.742295][ T3767] [ 1897.744994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1897.744994][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1897.744994][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1897.744994][ T3767] ipv6_find_idev+0x102/0x170 [ 1897.744994][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1897.744994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1897.744994][ T3767] netlink_rcv_skb+0x130/0x360 [ 1897.744994][ T3767] netlink_unicast+0x449/0x710 [ 1897.744994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1897.744994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1897.744994][ T3767] ___sys_sendmsg+0xee/0x170 [ 1897.744994][ T3767] __sys_sendmsg+0xcd/0x170 [ 1897.744994][ T3767] do_syscall_64+0xc6/0x1e0 [ 1897.744994][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1897.744994][ T3767] [ 1907.983919][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1907.984419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1907.984419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1907.984419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1907.984419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1907.984419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1907.984419][ T3767] ip6_route_add+0x1c/0x140 [ 1907.984419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1907.984419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.984419][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.984419][ T3767] netlink_unicast+0x449/0x710 [ 1907.984419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.984419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.984419][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.984419][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.984419][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.984419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1907.984419][ T3767] [ 1907.986523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1907.986523][ T3767] netdev_get_by_index+0x5e/0x80 [ 1907.986523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1907.986523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1907.986523][ T3767] ip6_route_add+0x1c/0x140 [ 1907.986523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1907.986523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1907.986523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1907.986523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.986523][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.986523][ T3767] netlink_unicast+0x449/0x710 [ 1907.986523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.986523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.986523][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.986523][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.986523][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.986523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1907.986523][ T3767] [ 1907.988781][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1907.988781][ T3767] netdev_get_by_index+0x5e/0x80 [ 1907.988781][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1907.988781][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1907.988781][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1907.988781][ T3767] ipv6_add_addr+0x411/0x2000 [ 1907.988781][ T3767] inet6_addr_add+0x30e/0xa40 [ 1907.988781][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1907.988781][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.988781][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.988781][ T3767] netlink_unicast+0x449/0x710 [ 1907.988781][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.988781][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.988781][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.988781][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.988781][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.988781][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1907.988781][ T3767] [ 1907.990985][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1907.990985][ T3767] netdev_get_by_index+0x5e/0x80 [ 1907.990985][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1907.990985][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1907.990985][ T3767] ip6_route_add+0x1c/0x140 [ 1907.990985][ T3767] addrconf_add_mroute+0x129/0x180 [ 1907.990985][ T3767] addrconf_add_dev+0xe2/0x170 [ 1907.990985][ T3767] inet6_addr_add+0x12f/0xa40 [ 1907.990985][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1907.990985][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.990985][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.990985][ T3767] netlink_unicast+0x449/0x710 [ 1907.990985][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.990985][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.990985][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.990985][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.990985][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.990985][ T3767] [ 1907.993175][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1907.993175][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1907.993175][ T3767] ipv6_find_idev+0x102/0x170 [ 1907.993175][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1907.993175][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.993175][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.993175][ T3767] netlink_unicast+0x449/0x710 [ 1907.993175][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.993175][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.993175][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.993175][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.993175][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.993175][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1907.993175][ T3767] [ 1907.994865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1907.994865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1907.994865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1907.994865][ T3767] ipv6_find_idev+0x102/0x170 [ 1907.994865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1907.994865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1907.994865][ T3767] netlink_rcv_skb+0x130/0x360 [ 1907.994865][ T3767] netlink_unicast+0x449/0x710 [ 1907.994865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1907.994865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1907.994865][ T3767] ___sys_sendmsg+0xee/0x170 [ 1907.994865][ T3767] __sys_sendmsg+0xcd/0x170 [ 1907.994865][ T3767] do_syscall_64+0xc6/0x1e0 [ 1907.994865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1907.994865][ T3767] [ 1918.127958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1918.128403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1918.128403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1918.128403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1918.128403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1918.128403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1918.128403][ T3767] ip6_route_add+0x1c/0x140 [ 1918.128403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1918.128403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.128403][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.128403][ T3767] netlink_unicast+0x449/0x710 [ 1918.128403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.128403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.128403][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.128403][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.128403][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.128403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.128403][ T3767] [ 1918.130746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1918.130746][ T3767] netdev_get_by_index+0x5e/0x80 [ 1918.130746][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1918.130746][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1918.130746][ T3767] ip6_route_add+0x1c/0x140 [ 1918.130746][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1918.130746][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1918.130746][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.130746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.130746][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.130746][ T3767] netlink_unicast+0x449/0x710 [ 1918.130746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.130746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.130746][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.130746][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.130746][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.130746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.130746][ T3767] [ 1918.133188][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1918.133188][ T3767] netdev_get_by_index+0x5e/0x80 [ 1918.133188][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1918.133188][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1918.133188][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1918.133188][ T3767] ipv6_add_addr+0x411/0x2000 [ 1918.133188][ T3767] inet6_addr_add+0x30e/0xa40 [ 1918.133188][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.133188][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.133188][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.133188][ T3767] netlink_unicast+0x449/0x710 [ 1918.133188][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.133188][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.133188][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.133188][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.133188][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.133188][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.133188][ T3767] [ 1918.135658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1918.135658][ T3767] netdev_get_by_index+0x5e/0x80 [ 1918.135658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1918.135658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1918.135658][ T3767] ip6_route_add+0x1c/0x140 [ 1918.135658][ T3767] addrconf_add_mroute+0x129/0x180 [ 1918.135658][ T3767] addrconf_add_dev+0xe2/0x170 [ 1918.135658][ T3767] inet6_addr_add+0x12f/0xa40 [ 1918.135658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.135658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.135658][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.135658][ T3767] netlink_unicast+0x449/0x710 [ 1918.135658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.135658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.135658][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.135658][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.135658][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.135658][ T3767] [ 1918.138156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1918.138156][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1918.138156][ T3767] ipv6_find_idev+0x102/0x170 [ 1918.138156][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.138156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.138156][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.138156][ T3767] netlink_unicast+0x449/0x710 [ 1918.138156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.138156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.138156][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.138156][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.138156][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.138156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.138156][ T3767] [ 1918.139856][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1918.139856][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1918.139856][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1918.139856][ T3767] ipv6_find_idev+0x102/0x170 [ 1918.139856][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.139856][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.139856][ T3767] netlink_rcv_skb+0x130/0x360 [ 1918.139856][ T3767] netlink_unicast+0x449/0x710 [ 1918.139856][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1918.139856][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1918.139856][ T3767] ___sys_sendmsg+0xee/0x170 [ 1918.139856][ T3767] __sys_sendmsg+0xcd/0x170 [ 1918.139856][ T3767] do_syscall_64+0xc6/0x1e0 [ 1918.139856][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.139856][ T3767] [ 1928.383979][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1928.384446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1928.384446][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1928.384446][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1928.384446][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1928.384446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1928.384446][ T3767] ip6_route_add+0x1c/0x140 [ 1928.384446][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1928.384446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.384446][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.384446][ T3767] netlink_unicast+0x449/0x710 [ 1928.384446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.384446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.384446][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.384446][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.384446][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.384446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.384446][ T3767] [ 1928.386811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1928.386811][ T3767] netdev_get_by_index+0x5e/0x80 [ 1928.386811][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1928.386811][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1928.386811][ T3767] ip6_route_add+0x1c/0x140 [ 1928.386811][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1928.386811][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1928.386811][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1928.386811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.386811][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.386811][ T3767] netlink_unicast+0x449/0x710 [ 1928.386811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.386811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.386811][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.386811][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.386811][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.386811][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.386811][ T3767] [ 1928.389153][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1928.389153][ T3767] netdev_get_by_index+0x5e/0x80 [ 1928.389153][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1928.389153][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1928.389153][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1928.389153][ T3767] ipv6_add_addr+0x411/0x2000 [ 1928.389153][ T3767] inet6_addr_add+0x30e/0xa40 [ 1928.389153][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1928.389153][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.389153][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.389153][ T3767] netlink_unicast+0x449/0x710 [ 1928.389153][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.389153][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.389153][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.389153][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.389153][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.389153][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.389153][ T3767] [ 1928.391343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1928.391343][ T3767] netdev_get_by_index+0x5e/0x80 [ 1928.391343][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1928.391343][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1928.391343][ T3767] ip6_route_add+0x1c/0x140 [ 1928.391343][ T3767] addrconf_add_mroute+0x129/0x180 [ 1928.391343][ T3767] addrconf_add_dev+0xe2/0x170 [ 1928.391343][ T3767] inet6_addr_add+0x12f/0xa40 [ 1928.391343][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1928.391343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.391343][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.391343][ T3767] netlink_unicast+0x449/0x710 [ 1928.391343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.391343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.391343][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.391343][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.391343][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.391343][ T3767] [ 1928.393513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1928.393513][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1928.393513][ T3767] ipv6_find_idev+0x102/0x170 [ 1928.393513][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1928.393513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.393513][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.393513][ T3767] netlink_unicast+0x449/0x710 [ 1928.393513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.393513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.393513][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.393513][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.393513][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.393513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.393513][ T3767] [ 1928.395198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1928.395198][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1928.395198][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1928.395198][ T3767] ipv6_find_idev+0x102/0x170 [ 1928.395198][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1928.395198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.395198][ T3767] netlink_rcv_skb+0x130/0x360 [ 1928.395198][ T3767] netlink_unicast+0x449/0x710 [ 1928.395198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1928.395198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1928.395198][ T3767] ___sys_sendmsg+0xee/0x170 [ 1928.395198][ T3767] __sys_sendmsg+0xcd/0x170 [ 1928.395198][ T3767] do_syscall_64+0xc6/0x1e0 [ 1928.395198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.395198][ T3767] [ 1938.639897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1938.640353][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1938.640353][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1938.640353][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1938.640353][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1938.640353][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1938.640353][ T3767] ip6_route_add+0x1c/0x140 [ 1938.640353][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1938.640353][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.640353][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.640353][ T3767] netlink_unicast+0x449/0x710 [ 1938.640353][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.640353][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.640353][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.640353][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.640353][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.640353][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1938.640353][ T3767] [ 1938.642511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1938.642511][ T3767] netdev_get_by_index+0x5e/0x80 [ 1938.642511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1938.642511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1938.642511][ T3767] ip6_route_add+0x1c/0x140 [ 1938.642511][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1938.642511][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1938.642511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1938.642511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.642511][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.642511][ T3767] netlink_unicast+0x449/0x710 [ 1938.642511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.642511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.642511][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.642511][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.642511][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.642511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1938.642511][ T3767] [ 1938.644791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1938.644791][ T3767] netdev_get_by_index+0x5e/0x80 [ 1938.644791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1938.644791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1938.644791][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1938.644791][ T3767] ipv6_add_addr+0x411/0x2000 [ 1938.644791][ T3767] inet6_addr_add+0x30e/0xa40 [ 1938.644791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1938.644791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.644791][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.644791][ T3767] netlink_unicast+0x449/0x710 [ 1938.644791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.644791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.644791][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.644791][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.644791][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.644791][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1938.644791][ T3767] [ 1938.647065][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1938.647065][ T3767] netdev_get_by_index+0x5e/0x80 [ 1938.647065][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1938.647065][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1938.647065][ T3767] ip6_route_add+0x1c/0x140 [ 1938.647065][ T3767] addrconf_add_mroute+0x129/0x180 [ 1938.647065][ T3767] addrconf_add_dev+0xe2/0x170 [ 1938.647065][ T3767] inet6_addr_add+0x12f/0xa40 [ 1938.647065][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1938.647065][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.647065][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.647065][ T3767] netlink_unicast+0x449/0x710 [ 1938.647065][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.647065][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.647065][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.647065][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.647065][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.647065][ T3767] [ 1938.649335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1938.649335][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1938.649335][ T3767] ipv6_find_idev+0x102/0x170 [ 1938.649335][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1938.649335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.649335][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.649335][ T3767] netlink_unicast+0x449/0x710 [ 1938.649335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.649335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.649335][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.649335][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.649335][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.649335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1938.649335][ T3767] [ 1938.651096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1938.651096][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1938.651096][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1938.651096][ T3767] ipv6_find_idev+0x102/0x170 [ 1938.651096][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1938.651096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1938.651096][ T3767] netlink_rcv_skb+0x130/0x360 [ 1938.651096][ T3767] netlink_unicast+0x449/0x710 [ 1938.651096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1938.651096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1938.651096][ T3767] ___sys_sendmsg+0xee/0x170 [ 1938.651096][ T3767] __sys_sendmsg+0xcd/0x170 [ 1938.651096][ T3767] do_syscall_64+0xc6/0x1e0 [ 1938.651096][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1938.651096][ T3767] [ 1948.895952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1948.896447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1948.896447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1948.896447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1948.896447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1948.896447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1948.896447][ T3767] ip6_route_add+0x1c/0x140 [ 1948.896447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1948.896447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.896447][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.896447][ T3767] netlink_unicast+0x449/0x710 [ 1948.896447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.896447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.896447][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.896447][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.896447][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.896447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1948.896447][ T3767] [ 1948.898894][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1948.898894][ T3767] netdev_get_by_index+0x5e/0x80 [ 1948.898894][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1948.898894][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1948.898894][ T3767] ip6_route_add+0x1c/0x140 [ 1948.898894][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1948.898894][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1948.898894][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1948.898894][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.898894][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.898894][ T3767] netlink_unicast+0x449/0x710 [ 1948.898894][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.898894][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.898894][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.898894][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.898894][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.898894][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1948.898894][ T3767] [ 1948.901480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1948.901480][ T3767] netdev_get_by_index+0x5e/0x80 [ 1948.901480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1948.901480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1948.901480][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1948.901480][ T3767] ipv6_add_addr+0x411/0x2000 [ 1948.901480][ T3767] inet6_addr_add+0x30e/0xa40 [ 1948.901480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1948.901480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.901480][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.901480][ T3767] netlink_unicast+0x449/0x710 [ 1948.901480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.901480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.901480][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.901480][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.901480][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.901480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1948.901480][ T3767] [ 1948.904120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1948.904120][ T3767] netdev_get_by_index+0x5e/0x80 [ 1948.904120][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1948.904120][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1948.904120][ T3767] ip6_route_add+0x1c/0x140 [ 1948.904120][ T3767] addrconf_add_mroute+0x129/0x180 [ 1948.904120][ T3767] addrconf_add_dev+0xe2/0x170 [ 1948.904120][ T3767] inet6_addr_add+0x12f/0xa40 [ 1948.904120][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1948.904120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.904120][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.904120][ T3767] netlink_unicast+0x449/0x710 [ 1948.904120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.904120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.904120][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.904120][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.904120][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.904120][ T3767] [ 1948.906670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1948.906670][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1948.906670][ T3767] ipv6_find_idev+0x102/0x170 [ 1948.906670][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1948.906670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.906670][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.906670][ T3767] netlink_unicast+0x449/0x710 [ 1948.906670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.906670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.906670][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.906670][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.906670][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.906670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1948.906670][ T3767] [ 1948.908674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1948.908674][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1948.908674][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1948.908674][ T3767] ipv6_find_idev+0x102/0x170 [ 1948.908674][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1948.908674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1948.908674][ T3767] netlink_rcv_skb+0x130/0x360 [ 1948.908674][ T3767] netlink_unicast+0x449/0x710 [ 1948.908674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1948.908674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1948.908674][ T3767] ___sys_sendmsg+0xee/0x170 [ 1948.908674][ T3767] __sys_sendmsg+0xcd/0x170 [ 1948.908674][ T3767] do_syscall_64+0xc6/0x1e0 [ 1948.908674][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1948.908674][ T3767] [ 1958.968004][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1958.968505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1958.968505][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1958.968505][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1958.968505][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1958.968505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1958.968505][ T3767] ip6_route_add+0x1c/0x140 [ 1958.968505][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1958.968505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.968505][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.968505][ T3767] netlink_unicast+0x449/0x710 [ 1958.968505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.968505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.968505][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.968505][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.968505][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.968505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1958.968505][ T3767] [ 1958.971171][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1958.971171][ T3767] netdev_get_by_index+0x5e/0x80 [ 1958.971171][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1958.971171][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1958.971171][ T3767] ip6_route_add+0x1c/0x140 [ 1958.971171][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1958.971171][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1958.971171][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1958.971171][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.971171][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.971171][ T3767] netlink_unicast+0x449/0x710 [ 1958.971171][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.971171][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.971171][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.971171][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.971171][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.971171][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1958.971171][ T3767] [ 1958.973386][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1958.973386][ T3767] netdev_get_by_index+0x5e/0x80 [ 1958.973386][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1958.973386][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1958.973386][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1958.973386][ T3767] ipv6_add_addr+0x411/0x2000 [ 1958.973386][ T3767] inet6_addr_add+0x30e/0xa40 [ 1958.973386][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1958.973386][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.973386][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.973386][ T3767] netlink_unicast+0x449/0x710 [ 1958.973386][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.973386][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.973386][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.973386][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.973386][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.973386][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1958.973386][ T3767] [ 1958.975604][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1958.975604][ T3767] netdev_get_by_index+0x5e/0x80 [ 1958.975604][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1958.975604][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1958.975604][ T3767] ip6_route_add+0x1c/0x140 [ 1958.975604][ T3767] addrconf_add_mroute+0x129/0x180 [ 1958.975604][ T3767] addrconf_add_dev+0xe2/0x170 [ 1958.975604][ T3767] inet6_addr_add+0x12f/0xa40 [ 1958.975604][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1958.975604][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.975604][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.975604][ T3767] netlink_unicast+0x449/0x710 [ 1958.975604][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.975604][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.975604][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.975604][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.975604][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.975604][ T3767] [ 1958.977809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1958.977809][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1958.977809][ T3767] ipv6_find_idev+0x102/0x170 [ 1958.977809][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1958.977809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.977809][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.977809][ T3767] netlink_unicast+0x449/0x710 [ 1958.977809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.977809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.977809][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.977809][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.977809][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.977809][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1958.977809][ T3767] [ 1958.979523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1958.979523][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1958.979523][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1958.979523][ T3767] ipv6_find_idev+0x102/0x170 [ 1958.979523][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1958.979523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1958.979523][ T3767] netlink_rcv_skb+0x130/0x360 [ 1958.979523][ T3767] netlink_unicast+0x449/0x710 [ 1958.979523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1958.979523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1958.979523][ T3767] ___sys_sendmsg+0xee/0x170 [ 1958.979523][ T3767] __sys_sendmsg+0xcd/0x170 [ 1958.979523][ T3767] do_syscall_64+0xc6/0x1e0 [ 1958.979523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1958.979523][ T3767] [ 1969.223947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1969.224441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1969.224441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1969.224441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1969.224441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1969.224441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1969.224441][ T3767] ip6_route_add+0x1c/0x140 [ 1969.224441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1969.224441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.224441][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.224441][ T3767] netlink_unicast+0x449/0x710 [ 1969.224441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.224441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.224441][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.224441][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.224441][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.224441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.224441][ T3767] [ 1969.226547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1969.226547][ T3767] netdev_get_by_index+0x5e/0x80 [ 1969.226547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1969.226547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1969.226547][ T3767] ip6_route_add+0x1c/0x140 [ 1969.226547][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1969.226547][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1969.226547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.226547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.226547][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.226547][ T3767] netlink_unicast+0x449/0x710 [ 1969.226547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.226547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.226547][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.226547][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.226547][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.226547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.226547][ T3767] [ 1969.228774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1969.228774][ T3767] netdev_get_by_index+0x5e/0x80 [ 1969.228774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1969.228774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1969.228774][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1969.228774][ T3767] ipv6_add_addr+0x411/0x2000 [ 1969.228774][ T3767] inet6_addr_add+0x30e/0xa40 [ 1969.228774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.228774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.228774][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.228774][ T3767] netlink_unicast+0x449/0x710 [ 1969.228774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.228774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.228774][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.228774][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.228774][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.228774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.228774][ T3767] [ 1969.230984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1969.230984][ T3767] netdev_get_by_index+0x5e/0x80 [ 1969.230984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1969.230984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1969.230984][ T3767] ip6_route_add+0x1c/0x140 [ 1969.230984][ T3767] addrconf_add_mroute+0x129/0x180 [ 1969.230984][ T3767] addrconf_add_dev+0xe2/0x170 [ 1969.230984][ T3767] inet6_addr_add+0x12f/0xa40 [ 1969.230984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.230984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.230984][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.230984][ T3767] netlink_unicast+0x449/0x710 [ 1969.230984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.230984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.230984][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.230984][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.230984][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.230984][ T3767] [ 1969.233160][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1969.233160][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1969.233160][ T3767] ipv6_find_idev+0x102/0x170 [ 1969.233160][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.233160][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.233160][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.233160][ T3767] netlink_unicast+0x449/0x710 [ 1969.233160][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.233160][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.233160][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.233160][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.233160][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.233160][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.233160][ T3767] [ 1969.234858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1969.234858][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1969.234858][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1969.234858][ T3767] ipv6_find_idev+0x102/0x170 [ 1969.234858][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.234858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.234858][ T3767] netlink_rcv_skb+0x130/0x360 [ 1969.234858][ T3767] netlink_unicast+0x449/0x710 [ 1969.234858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1969.234858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1969.234858][ T3767] ___sys_sendmsg+0xee/0x170 [ 1969.234858][ T3767] __sys_sendmsg+0xcd/0x170 [ 1969.234858][ T3767] do_syscall_64+0xc6/0x1e0 [ 1969.234858][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.234858][ T3767] [ 1979.471951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1979.472429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1979.472429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1979.472429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1979.472429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1979.472429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1979.472429][ T3767] ip6_route_add+0x1c/0x140 [ 1979.472429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1979.472429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.472429][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.472429][ T3767] netlink_unicast+0x449/0x710 [ 1979.472429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.472429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.472429][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.472429][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.472429][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.472429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1979.472429][ T3767] [ 1979.474507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1979.474507][ T3767] netdev_get_by_index+0x5e/0x80 [ 1979.474507][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1979.474507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1979.474507][ T3767] ip6_route_add+0x1c/0x140 [ 1979.474507][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1979.474507][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1979.474507][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1979.474507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.474507][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.474507][ T3767] netlink_unicast+0x449/0x710 [ 1979.474507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.474507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.474507][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.474507][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.474507][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.474507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1979.474507][ T3767] [ 1979.476700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1979.476700][ T3767] netdev_get_by_index+0x5e/0x80 [ 1979.476700][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1979.476700][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1979.476700][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1979.476700][ T3767] ipv6_add_addr+0x411/0x2000 [ 1979.476700][ T3767] inet6_addr_add+0x30e/0xa40 [ 1979.476700][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1979.476700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.476700][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.476700][ T3767] netlink_unicast+0x449/0x710 [ 1979.476700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.476700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.476700][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.476700][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.476700][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.476700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1979.476700][ T3767] [ 1979.478900][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1979.478900][ T3767] netdev_get_by_index+0x5e/0x80 [ 1979.478900][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1979.478900][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1979.478900][ T3767] ip6_route_add+0x1c/0x140 [ 1979.478900][ T3767] addrconf_add_mroute+0x129/0x180 [ 1979.478900][ T3767] addrconf_add_dev+0xe2/0x170 [ 1979.478900][ T3767] inet6_addr_add+0x12f/0xa40 [ 1979.478900][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1979.478900][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.478900][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.478900][ T3767] netlink_unicast+0x449/0x710 [ 1979.478900][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.478900][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.478900][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.478900][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.478900][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.478900][ T3767] [ 1979.481063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1979.481063][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1979.481063][ T3767] ipv6_find_idev+0x102/0x170 [ 1979.481063][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1979.481063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.481063][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.481063][ T3767] netlink_unicast+0x449/0x710 [ 1979.481063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.481063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.481063][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.481063][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.481063][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.481063][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1979.481063][ T3767] [ 1979.482744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1979.482744][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1979.482744][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1979.482744][ T3767] ipv6_find_idev+0x102/0x170 [ 1979.482744][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1979.482744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1979.482744][ T3767] netlink_rcv_skb+0x130/0x360 [ 1979.482744][ T3767] netlink_unicast+0x449/0x710 [ 1979.482744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1979.482744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1979.482744][ T3767] ___sys_sendmsg+0xee/0x170 [ 1979.482744][ T3767] __sys_sendmsg+0xcd/0x170 [ 1979.482744][ T3767] do_syscall_64+0xc6/0x1e0 [ 1979.482744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1979.482744][ T3767] [ 1989.656068][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1989.656534][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1989.656534][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1989.656534][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1989.656534][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1989.656534][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1989.656534][ T3767] ip6_route_add+0x1c/0x140 [ 1989.656534][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1989.656534][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.656534][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.656534][ T3767] netlink_unicast+0x449/0x710 [ 1989.656534][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.656534][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.656534][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.656534][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.656534][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.656534][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1989.656534][ T3767] [ 1989.658615][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1989.658615][ T3767] netdev_get_by_index+0x5e/0x80 [ 1989.658615][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1989.658615][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1989.658615][ T3767] ip6_route_add+0x1c/0x140 [ 1989.658615][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1989.658615][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1989.658615][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1989.658615][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.658615][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.658615][ T3767] netlink_unicast+0x449/0x710 [ 1989.658615][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.658615][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.658615][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.658615][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.658615][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.658615][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1989.658615][ T3767] [ 1989.660803][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1989.660803][ T3767] netdev_get_by_index+0x5e/0x80 [ 1989.660803][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1989.660803][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1989.660803][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1989.660803][ T3767] ipv6_add_addr+0x411/0x2000 [ 1989.660803][ T3767] inet6_addr_add+0x30e/0xa40 [ 1989.660803][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1989.660803][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.660803][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.660803][ T3767] netlink_unicast+0x449/0x710 [ 1989.660803][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.660803][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.660803][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.660803][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.660803][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.660803][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1989.660803][ T3767] [ 1989.662978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1989.662978][ T3767] netdev_get_by_index+0x5e/0x80 [ 1989.662978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1989.662978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1989.662978][ T3767] ip6_route_add+0x1c/0x140 [ 1989.662978][ T3767] addrconf_add_mroute+0x129/0x180 [ 1989.662978][ T3767] addrconf_add_dev+0xe2/0x170 [ 1989.662978][ T3767] inet6_addr_add+0x12f/0xa40 [ 1989.662978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1989.662978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.662978][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.662978][ T3767] netlink_unicast+0x449/0x710 [ 1989.662978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.662978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.662978][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.662978][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.662978][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.662978][ T3767] [ 1989.665119][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1989.665119][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1989.665119][ T3767] ipv6_find_idev+0x102/0x170 [ 1989.665119][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1989.665119][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.665119][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.665119][ T3767] netlink_unicast+0x449/0x710 [ 1989.665119][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.665119][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.665119][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.665119][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.665119][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.665119][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1989.665119][ T3767] [ 1989.666795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1989.666795][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1989.666795][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1989.666795][ T3767] ipv6_find_idev+0x102/0x170 [ 1989.666795][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1989.666795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1989.666795][ T3767] netlink_rcv_skb+0x130/0x360 [ 1989.666795][ T3767] netlink_unicast+0x449/0x710 [ 1989.666795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1989.666795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1989.666795][ T3767] ___sys_sendmsg+0xee/0x170 [ 1989.666795][ T3767] __sys_sendmsg+0xcd/0x170 [ 1989.666795][ T3767] do_syscall_64+0xc6/0x1e0 [ 1989.666795][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1989.666795][ T3767] [ 1999.903939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1999.904403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 1999.904403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 1999.904403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 1999.904403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 1999.904403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1999.904403][ T3767] ip6_route_add+0x1c/0x140 [ 1999.904403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 1999.904403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.904403][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.904403][ T3767] netlink_unicast+0x449/0x710 [ 1999.904403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.904403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.904403][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.904403][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.904403][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.904403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1999.904403][ T3767] [ 1999.906484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1999.906484][ T3767] netdev_get_by_index+0x5e/0x80 [ 1999.906484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1999.906484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1999.906484][ T3767] ip6_route_add+0x1c/0x140 [ 1999.906484][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 1999.906484][ T3767] inet6_addr_add+0x4f8/0xa40 [ 1999.906484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1999.906484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.906484][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.906484][ T3767] netlink_unicast+0x449/0x710 [ 1999.906484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.906484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.906484][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.906484][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.906484][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.906484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1999.906484][ T3767] [ 1999.908693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1999.908693][ T3767] netdev_get_by_index+0x5e/0x80 [ 1999.908693][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1999.908693][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1999.908693][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 1999.908693][ T3767] ipv6_add_addr+0x411/0x2000 [ 1999.908693][ T3767] inet6_addr_add+0x30e/0xa40 [ 1999.908693][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1999.908693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.908693][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.908693][ T3767] netlink_unicast+0x449/0x710 [ 1999.908693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.908693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.908693][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.908693][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.908693][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.908693][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1999.908693][ T3767] [ 1999.910876][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1999.910876][ T3767] netdev_get_by_index+0x5e/0x80 [ 1999.910876][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 1999.910876][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 1999.910876][ T3767] ip6_route_add+0x1c/0x140 [ 1999.910876][ T3767] addrconf_add_mroute+0x129/0x180 [ 1999.910876][ T3767] addrconf_add_dev+0xe2/0x170 [ 1999.910876][ T3767] inet6_addr_add+0x12f/0xa40 [ 1999.910876][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 1999.910876][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.910876][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.910876][ T3767] netlink_unicast+0x449/0x710 [ 1999.910876][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.910876][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.910876][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.910876][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.910876][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.910876][ T3767] [ 1999.913037][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1999.913037][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 1999.913037][ T3767] ipv6_find_idev+0x102/0x170 [ 1999.913037][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1999.913037][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.913037][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.913037][ T3767] netlink_unicast+0x449/0x710 [ 1999.913037][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.913037][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.913037][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.913037][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.913037][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.913037][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1999.913037][ T3767] [ 1999.914719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 1999.914719][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 1999.914719][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 1999.914719][ T3767] ipv6_find_idev+0x102/0x170 [ 1999.914719][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 1999.914719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1999.914719][ T3767] netlink_rcv_skb+0x130/0x360 [ 1999.914719][ T3767] netlink_unicast+0x449/0x710 [ 1999.914719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 1999.914719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 1999.914719][ T3767] ___sys_sendmsg+0xee/0x170 [ 1999.914719][ T3767] __sys_sendmsg+0xcd/0x170 [ 1999.914719][ T3767] do_syscall_64+0xc6/0x1e0 [ 1999.914719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1999.914719][ T3767] [ 2010.152053][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2010.152481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2010.152481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2010.152481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2010.152481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2010.152481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2010.152481][ T3767] ip6_route_add+0x1c/0x140 [ 2010.152481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2010.152481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.152481][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.152481][ T3767] netlink_unicast+0x449/0x710 [ 2010.152481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.152481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.152481][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.152481][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.152481][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.152481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.152481][ T3767] [ 2010.154577][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2010.154577][ T3767] netdev_get_by_index+0x5e/0x80 [ 2010.154577][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2010.154577][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2010.154577][ T3767] ip6_route_add+0x1c/0x140 [ 2010.154577][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2010.154577][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2010.154577][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.154577][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.154577][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.154577][ T3767] netlink_unicast+0x449/0x710 [ 2010.154577][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.154577][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.154577][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.154577][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.154577][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.154577][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.154577][ T3767] [ 2010.156803][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2010.156803][ T3767] netdev_get_by_index+0x5e/0x80 [ 2010.156803][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2010.156803][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2010.156803][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2010.156803][ T3767] ipv6_add_addr+0x411/0x2000 [ 2010.156803][ T3767] inet6_addr_add+0x30e/0xa40 [ 2010.156803][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.156803][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.156803][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.156803][ T3767] netlink_unicast+0x449/0x710 [ 2010.156803][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.156803][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.156803][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.156803][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.156803][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.156803][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.156803][ T3767] [ 2010.159153][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2010.159153][ T3767] netdev_get_by_index+0x5e/0x80 [ 2010.159153][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2010.159153][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2010.159153][ T3767] ip6_route_add+0x1c/0x140 [ 2010.159153][ T3767] addrconf_add_mroute+0x129/0x180 [ 2010.159153][ T3767] addrconf_add_dev+0xe2/0x170 [ 2010.159153][ T3767] inet6_addr_add+0x12f/0xa40 [ 2010.159153][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.159153][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.159153][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.159153][ T3767] netlink_unicast+0x449/0x710 [ 2010.159153][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.159153][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.159153][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.159153][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.159153][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.159153][ T3767] [ 2010.161328][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2010.161328][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2010.161328][ T3767] ipv6_find_idev+0x102/0x170 [ 2010.161328][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.161328][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.161328][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.161328][ T3767] netlink_unicast+0x449/0x710 [ 2010.161328][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.161328][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.161328][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.161328][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.161328][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.161328][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.161328][ T3767] [ 2010.163030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2010.163030][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2010.163030][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2010.163030][ T3767] ipv6_find_idev+0x102/0x170 [ 2010.163030][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.163030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.163030][ T3767] netlink_rcv_skb+0x130/0x360 [ 2010.163030][ T3767] netlink_unicast+0x449/0x710 [ 2010.163030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2010.163030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2010.163030][ T3767] ___sys_sendmsg+0xee/0x170 [ 2010.163030][ T3767] __sys_sendmsg+0xcd/0x170 [ 2010.163030][ T3767] do_syscall_64+0xc6/0x1e0 [ 2010.163030][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.163030][ T3767] [ 2020.407892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2020.408380][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2020.408380][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2020.408380][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2020.408380][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2020.408380][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2020.408380][ T3767] ip6_route_add+0x1c/0x140 [ 2020.408380][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2020.408380][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.408380][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.408380][ T3767] netlink_unicast+0x449/0x710 [ 2020.408380][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.408380][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.408380][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.408380][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.408380][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.408380][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.408380][ T3767] [ 2020.410454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2020.410454][ T3767] netdev_get_by_index+0x5e/0x80 [ 2020.410454][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2020.410454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2020.410454][ T3767] ip6_route_add+0x1c/0x140 [ 2020.410454][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2020.410454][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2020.410454][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.410454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.410454][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.410454][ T3767] netlink_unicast+0x449/0x710 [ 2020.410454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.410454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.410454][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.410454][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.410454][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.410454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.410454][ T3767] [ 2020.412641][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2020.412641][ T3767] netdev_get_by_index+0x5e/0x80 [ 2020.412641][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2020.412641][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2020.412641][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2020.412641][ T3767] ipv6_add_addr+0x411/0x2000 [ 2020.412641][ T3767] inet6_addr_add+0x30e/0xa40 [ 2020.412641][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.412641][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.412641][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.412641][ T3767] netlink_unicast+0x449/0x710 [ 2020.412641][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.412641][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.412641][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.412641][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.412641][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.412641][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.412641][ T3767] [ 2020.414823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2020.414823][ T3767] netdev_get_by_index+0x5e/0x80 [ 2020.414823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2020.414823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2020.414823][ T3767] ip6_route_add+0x1c/0x140 [ 2020.414823][ T3767] addrconf_add_mroute+0x129/0x180 [ 2020.414823][ T3767] addrconf_add_dev+0xe2/0x170 [ 2020.414823][ T3767] inet6_addr_add+0x12f/0xa40 [ 2020.414823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.414823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.414823][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.414823][ T3767] netlink_unicast+0x449/0x710 [ 2020.414823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.414823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.414823][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.414823][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.414823][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.414823][ T3767] [ 2020.416977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2020.416977][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2020.416977][ T3767] ipv6_find_idev+0x102/0x170 [ 2020.416977][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.416977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.416977][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.416977][ T3767] netlink_unicast+0x449/0x710 [ 2020.416977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.416977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.416977][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.416977][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.416977][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.416977][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.416977][ T3767] [ 2020.418664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2020.418664][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2020.418664][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2020.418664][ T3767] ipv6_find_idev+0x102/0x170 [ 2020.418664][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.418664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.418664][ T3767] netlink_rcv_skb+0x130/0x360 [ 2020.418664][ T3767] netlink_unicast+0x449/0x710 [ 2020.418664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2020.418664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2020.418664][ T3767] ___sys_sendmsg+0xee/0x170 [ 2020.418664][ T3767] __sys_sendmsg+0xcd/0x170 [ 2020.418664][ T3767] do_syscall_64+0xc6/0x1e0 [ 2020.418664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.418664][ T3767] [ 2030.495910][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2030.496368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2030.496368][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2030.496368][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2030.496368][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2030.496368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2030.496368][ T3767] ip6_route_add+0x1c/0x140 [ 2030.496368][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2030.496368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.496368][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.496368][ T3767] netlink_unicast+0x449/0x710 [ 2030.496368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.496368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.496368][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.496368][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.496368][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.496368][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2030.496368][ T3767] [ 2030.498588][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2030.498588][ T3767] netdev_get_by_index+0x5e/0x80 [ 2030.498588][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2030.498588][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2030.498588][ T3767] ip6_route_add+0x1c/0x140 [ 2030.498588][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2030.498588][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2030.498588][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2030.498588][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.498588][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.498588][ T3767] netlink_unicast+0x449/0x710 [ 2030.498588][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.498588][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.498588][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.498588][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.498588][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.498588][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2030.498588][ T3767] [ 2030.500822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2030.500822][ T3767] netdev_get_by_index+0x5e/0x80 [ 2030.500822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2030.500822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2030.500822][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2030.500822][ T3767] ipv6_add_addr+0x411/0x2000 [ 2030.500822][ T3767] inet6_addr_add+0x30e/0xa40 [ 2030.500822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2030.500822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.500822][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.500822][ T3767] netlink_unicast+0x449/0x710 [ 2030.500822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.500822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.500822][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.500822][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.500822][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.500822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2030.500822][ T3767] [ 2030.503030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2030.503030][ T3767] netdev_get_by_index+0x5e/0x80 [ 2030.503030][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2030.503030][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2030.503030][ T3767] ip6_route_add+0x1c/0x140 [ 2030.503030][ T3767] addrconf_add_mroute+0x129/0x180 [ 2030.503030][ T3767] addrconf_add_dev+0xe2/0x170 [ 2030.503030][ T3767] inet6_addr_add+0x12f/0xa40 [ 2030.503030][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2030.503030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.503030][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.503030][ T3767] netlink_unicast+0x449/0x710 [ 2030.503030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.503030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.503030][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.503030][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.503030][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.503030][ T3767] [ 2030.505176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2030.505176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2030.505176][ T3767] ipv6_find_idev+0x102/0x170 [ 2030.505176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2030.505176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.505176][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.505176][ T3767] netlink_unicast+0x449/0x710 [ 2030.505176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.505176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.505176][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.505176][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.505176][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.505176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2030.505176][ T3767] [ 2030.506865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2030.506865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2030.506865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2030.506865][ T3767] ipv6_find_idev+0x102/0x170 [ 2030.506865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2030.506865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2030.506865][ T3767] netlink_rcv_skb+0x130/0x360 [ 2030.506865][ T3767] netlink_unicast+0x449/0x710 [ 2030.506865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2030.506865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2030.506865][ T3767] ___sys_sendmsg+0xee/0x170 [ 2030.506865][ T3767] __sys_sendmsg+0xcd/0x170 [ 2030.506865][ T3767] do_syscall_64+0xc6/0x1e0 [ 2030.506865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2030.506865][ T3767] [ 2040.743913][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2040.744398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2040.744398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2040.744398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2040.744398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2040.744398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2040.744398][ T3767] ip6_route_add+0x1c/0x140 [ 2040.744398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2040.744398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.744398][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.744398][ T3767] netlink_unicast+0x449/0x710 [ 2040.744398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.744398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.744398][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.744398][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.744398][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.744398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2040.744398][ T3767] [ 2040.746470][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2040.746470][ T3767] netdev_get_by_index+0x5e/0x80 [ 2040.746470][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2040.746470][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2040.746470][ T3767] ip6_route_add+0x1c/0x140 [ 2040.746470][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2040.746470][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2040.746470][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2040.746470][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.746470][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.746470][ T3767] netlink_unicast+0x449/0x710 [ 2040.746470][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.746470][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.746470][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.746470][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.746470][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.746470][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2040.746470][ T3767] [ 2040.748662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2040.748662][ T3767] netdev_get_by_index+0x5e/0x80 [ 2040.748662][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2040.748662][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2040.748662][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2040.748662][ T3767] ipv6_add_addr+0x411/0x2000 [ 2040.748662][ T3767] inet6_addr_add+0x30e/0xa40 [ 2040.748662][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2040.748662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.748662][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.748662][ T3767] netlink_unicast+0x449/0x710 [ 2040.748662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.748662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.748662][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.748662][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.748662][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.748662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2040.748662][ T3767] [ 2040.750839][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2040.750839][ T3767] netdev_get_by_index+0x5e/0x80 [ 2040.750839][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2040.750839][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2040.750839][ T3767] ip6_route_add+0x1c/0x140 [ 2040.750839][ T3767] addrconf_add_mroute+0x129/0x180 [ 2040.750839][ T3767] addrconf_add_dev+0xe2/0x170 [ 2040.750839][ T3767] inet6_addr_add+0x12f/0xa40 [ 2040.750839][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2040.750839][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.750839][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.750839][ T3767] netlink_unicast+0x449/0x710 [ 2040.750839][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.750839][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.750839][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.750839][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.750839][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.750839][ T3767] [ 2040.752988][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2040.752988][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2040.752988][ T3767] ipv6_find_idev+0x102/0x170 [ 2040.752988][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2040.752988][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.752988][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.752988][ T3767] netlink_unicast+0x449/0x710 [ 2040.752988][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.752988][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.752988][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.752988][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.752988][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.752988][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2040.752988][ T3767] [ 2040.754674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2040.754674][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2040.754674][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2040.754674][ T3767] ipv6_find_idev+0x102/0x170 [ 2040.754674][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2040.754674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2040.754674][ T3767] netlink_rcv_skb+0x130/0x360 [ 2040.754674][ T3767] netlink_unicast+0x449/0x710 [ 2040.754674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2040.754674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2040.754674][ T3767] ___sys_sendmsg+0xee/0x170 [ 2040.754674][ T3767] __sys_sendmsg+0xcd/0x170 [ 2040.754674][ T3767] do_syscall_64+0xc6/0x1e0 [ 2040.754674][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2040.754674][ T3767] [ 2050.991885][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2050.992310][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2050.992310][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2050.992310][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2050.992310][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2050.992310][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2050.992310][ T3767] ip6_route_add+0x1c/0x140 [ 2050.992310][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2050.992310][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2050.992310][ T3767] netlink_rcv_skb+0x130/0x360 [ 2050.992310][ T3767] netlink_unicast+0x449/0x710 [ 2050.992310][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2050.992310][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2050.992310][ T3767] ___sys_sendmsg+0xee/0x170 [ 2050.992310][ T3767] __sys_sendmsg+0xcd/0x170 [ 2050.992310][ T3767] do_syscall_64+0xc6/0x1e0 [ 2050.992310][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2050.992310][ T3767] [ 2050.994526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2050.994526][ T3767] netdev_get_by_index+0x5e/0x80 [ 2050.994526][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2050.994526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2050.994526][ T3767] ip6_route_add+0x1c/0x140 [ 2050.994526][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2050.994526][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2050.994526][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2050.994526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2050.994526][ T3767] netlink_rcv_skb+0x130/0x360 [ 2050.994526][ T3767] netlink_unicast+0x449/0x710 [ 2050.994526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2050.994526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2050.994526][ T3767] ___sys_sendmsg+0xee/0x170 [ 2050.994526][ T3767] __sys_sendmsg+0xcd/0x170 [ 2050.994526][ T3767] do_syscall_64+0xc6/0x1e0 [ 2050.994526][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2050.994526][ T3767] [ 2050.996872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2050.996872][ T3767] netdev_get_by_index+0x5e/0x80 [ 2050.996872][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2050.996872][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2050.996872][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2050.996872][ T3767] ipv6_add_addr+0x411/0x2000 [ 2050.996872][ T3767] inet6_addr_add+0x30e/0xa40 [ 2050.996872][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2050.996872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2050.996872][ T3767] netlink_rcv_skb+0x130/0x360 [ 2050.996872][ T3767] netlink_unicast+0x449/0x710 [ 2050.996872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2050.996872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2050.996872][ T3767] ___sys_sendmsg+0xee/0x170 [ 2050.996872][ T3767] __sys_sendmsg+0xcd/0x170 [ 2050.996872][ T3767] do_syscall_64+0xc6/0x1e0 [ 2050.996872][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2050.996872][ T3767] [ 2050.999214][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2050.999214][ T3767] netdev_get_by_index+0x5e/0x80 [ 2050.999214][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2050.999214][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2050.999214][ T3767] ip6_route_add+0x1c/0x140 [ 2050.999214][ T3767] addrconf_add_mroute+0x129/0x180 [ 2050.999214][ T3767] addrconf_add_dev+0xe2/0x170 [ 2050.999214][ T3767] inet6_addr_add+0x12f/0xa40 [ 2050.999214][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2050.999214][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2050.999214][ T3767] netlink_rcv_skb+0x130/0x360 [ 2050.999214][ T3767] netlink_unicast+0x449/0x710 [ 2050.999214][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2050.999214][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2050.999214][ T3767] ___sys_sendmsg+0xee/0x170 [ 2050.999214][ T3767] __sys_sendmsg+0xcd/0x170 [ 2050.999214][ T3767] do_syscall_64+0xc6/0x1e0 [ 2050.999214][ T3767] [ 2051.001449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2051.001449][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2051.001449][ T3767] ipv6_find_idev+0x102/0x170 [ 2051.001449][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.001449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.001449][ T3767] netlink_rcv_skb+0x130/0x360 [ 2051.001449][ T3767] netlink_unicast+0x449/0x710 [ 2051.001449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2051.001449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2051.001449][ T3767] ___sys_sendmsg+0xee/0x170 [ 2051.001449][ T3767] __sys_sendmsg+0xcd/0x170 [ 2051.001449][ T3767] do_syscall_64+0xc6/0x1e0 [ 2051.001449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.001449][ T3767] [ 2051.003666][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2051.003666][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2051.003666][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2051.003666][ T3767] ipv6_find_idev+0x102/0x170 [ 2051.003666][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.003666][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.003666][ T3767] netlink_rcv_skb+0x130/0x360 [ 2051.003666][ T3767] netlink_unicast+0x449/0x710 [ 2051.003666][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2051.003666][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2051.003666][ T3767] ___sys_sendmsg+0xee/0x170 [ 2051.003666][ T3767] __sys_sendmsg+0xcd/0x170 [ 2051.003666][ T3767] do_syscall_64+0xc6/0x1e0 [ 2051.003666][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.003666][ T3767] [ 2061.247907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2061.248409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2061.248409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2061.248409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2061.248409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2061.248409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2061.248409][ T3767] ip6_route_add+0x1c/0x140 [ 2061.248409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2061.248409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.248409][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.248409][ T3767] netlink_unicast+0x449/0x710 [ 2061.248409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.248409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.248409][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.248409][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.248409][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.248409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.248409][ T3767] [ 2061.250494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2061.250494][ T3767] netdev_get_by_index+0x5e/0x80 [ 2061.250494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2061.250494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2061.250494][ T3767] ip6_route_add+0x1c/0x140 [ 2061.250494][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2061.250494][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2061.250494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.250494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.250494][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.250494][ T3767] netlink_unicast+0x449/0x710 [ 2061.250494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.250494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.250494][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.250494][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.250494][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.250494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.250494][ T3767] [ 2061.252764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2061.252764][ T3767] netdev_get_by_index+0x5e/0x80 [ 2061.252764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2061.252764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2061.252764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2061.252764][ T3767] ipv6_add_addr+0x411/0x2000 [ 2061.252764][ T3767] inet6_addr_add+0x30e/0xa40 [ 2061.252764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.252764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.252764][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.252764][ T3767] netlink_unicast+0x449/0x710 [ 2061.252764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.252764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.252764][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.252764][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.252764][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.252764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.252764][ T3767] [ 2061.254973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2061.254973][ T3767] netdev_get_by_index+0x5e/0x80 [ 2061.254973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2061.254973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2061.254973][ T3767] ip6_route_add+0x1c/0x140 [ 2061.254973][ T3767] addrconf_add_mroute+0x129/0x180 [ 2061.254973][ T3767] addrconf_add_dev+0xe2/0x170 [ 2061.254973][ T3767] inet6_addr_add+0x12f/0xa40 [ 2061.254973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.254973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.254973][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.254973][ T3767] netlink_unicast+0x449/0x710 [ 2061.254973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.254973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.254973][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.254973][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.254973][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.254973][ T3767] [ 2061.257145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2061.257145][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2061.257145][ T3767] ipv6_find_idev+0x102/0x170 [ 2061.257145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.257145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.257145][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.257145][ T3767] netlink_unicast+0x449/0x710 [ 2061.257145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.257145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.257145][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.257145][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.257145][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.257145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.257145][ T3767] [ 2061.258841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2061.258841][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2061.258841][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2061.258841][ T3767] ipv6_find_idev+0x102/0x170 [ 2061.258841][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.258841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.258841][ T3767] netlink_rcv_skb+0x130/0x360 [ 2061.258841][ T3767] netlink_unicast+0x449/0x710 [ 2061.258841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2061.258841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2061.258841][ T3767] ___sys_sendmsg+0xee/0x170 [ 2061.258841][ T3767] __sys_sendmsg+0xcd/0x170 [ 2061.258841][ T3767] do_syscall_64+0xc6/0x1e0 [ 2061.258841][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.258841][ T3767] [ 2071.407902][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2071.408623][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2071.408623][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2071.408623][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2071.408623][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2071.408623][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2071.408623][ T3767] ip6_route_add+0x1c/0x140 [ 2071.408623][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2071.408623][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.408623][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.408623][ T3767] netlink_unicast+0x449/0x710 [ 2071.408623][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.408623][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.408623][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.408623][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.408623][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.408623][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2071.408623][ T3767] [ 2071.411799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2071.411799][ T3767] netdev_get_by_index+0x5e/0x80 [ 2071.411799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2071.411799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2071.411799][ T3767] ip6_route_add+0x1c/0x140 [ 2071.411799][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2071.411799][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2071.411799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2071.411799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.411799][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.411799][ T3767] netlink_unicast+0x449/0x710 [ 2071.411799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.411799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.411799][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.411799][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.411799][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.411799][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2071.411799][ T3767] [ 2071.415270][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2071.415270][ T3767] netdev_get_by_index+0x5e/0x80 [ 2071.415270][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2071.415270][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2071.415270][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2071.415270][ T3767] ipv6_add_addr+0x411/0x2000 [ 2071.415270][ T3767] inet6_addr_add+0x30e/0xa40 [ 2071.415270][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2071.415270][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.415270][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.415270][ T3767] netlink_unicast+0x449/0x710 [ 2071.415270][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.415270][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.415270][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.415270][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.415270][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.415270][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2071.415270][ T3767] [ 2071.418791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2071.418791][ T3767] netdev_get_by_index+0x5e/0x80 [ 2071.418791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2071.418791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2071.418791][ T3767] ip6_route_add+0x1c/0x140 [ 2071.418791][ T3767] addrconf_add_mroute+0x129/0x180 [ 2071.418791][ T3767] addrconf_add_dev+0xe2/0x170 [ 2071.418791][ T3767] inet6_addr_add+0x12f/0xa40 [ 2071.418791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2071.418791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.418791][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.418791][ T3767] netlink_unicast+0x449/0x710 [ 2071.418791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.418791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.418791][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.418791][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.418791][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.418791][ T3767] [ 2071.422382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2071.422382][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2071.422382][ T3767] ipv6_find_idev+0x102/0x170 [ 2071.422382][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2071.422382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.422382][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.422382][ T3767] netlink_unicast+0x449/0x710 [ 2071.422382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.422382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.422382][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.422382][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.422382][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.422382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2071.422382][ T3767] [ 2071.425081][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2071.425081][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2071.425081][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2071.425081][ T3767] ipv6_find_idev+0x102/0x170 [ 2071.425081][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2071.425081][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2071.425081][ T3767] netlink_rcv_skb+0x130/0x360 [ 2071.425081][ T3767] netlink_unicast+0x449/0x710 [ 2071.425081][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2071.425081][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2071.425081][ T3767] ___sys_sendmsg+0xee/0x170 [ 2071.425081][ T3767] __sys_sendmsg+0xcd/0x170 [ 2071.425081][ T3767] do_syscall_64+0xc6/0x1e0 [ 2071.425081][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2071.425081][ T3767] [ 2081.679980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2081.680394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2081.680394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2081.680394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2081.680394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2081.680394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2081.680394][ T3767] ip6_route_add+0x1c/0x140 [ 2081.680394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2081.680394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.680394][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.680394][ T3767] netlink_unicast+0x449/0x710 [ 2081.680394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.680394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.680394][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.680394][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.680394][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.680394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2081.680394][ T3767] [ 2081.682486][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2081.682486][ T3767] netdev_get_by_index+0x5e/0x80 [ 2081.682486][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2081.682486][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2081.682486][ T3767] ip6_route_add+0x1c/0x140 [ 2081.682486][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2081.682486][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2081.682486][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2081.682486][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.682486][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.682486][ T3767] netlink_unicast+0x449/0x710 [ 2081.682486][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.682486][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.682486][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.682486][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.682486][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.682486][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2081.682486][ T3767] [ 2081.684671][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2081.684671][ T3767] netdev_get_by_index+0x5e/0x80 [ 2081.684671][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2081.684671][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2081.684671][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2081.684671][ T3767] ipv6_add_addr+0x411/0x2000 [ 2081.684671][ T3767] inet6_addr_add+0x30e/0xa40 [ 2081.684671][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2081.684671][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.684671][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.684671][ T3767] netlink_unicast+0x449/0x710 [ 2081.684671][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.684671][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.684671][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.684671][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.684671][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.684671][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2081.684671][ T3767] [ 2081.686881][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2081.686881][ T3767] netdev_get_by_index+0x5e/0x80 [ 2081.686881][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2081.686881][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2081.686881][ T3767] ip6_route_add+0x1c/0x140 [ 2081.686881][ T3767] addrconf_add_mroute+0x129/0x180 [ 2081.686881][ T3767] addrconf_add_dev+0xe2/0x170 [ 2081.686881][ T3767] inet6_addr_add+0x12f/0xa40 [ 2081.686881][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2081.686881][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.686881][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.686881][ T3767] netlink_unicast+0x449/0x710 [ 2081.686881][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.686881][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.686881][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.686881][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.686881][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.686881][ T3767] [ 2081.689033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2081.689033][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2081.689033][ T3767] ipv6_find_idev+0x102/0x170 [ 2081.689033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2081.689033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.689033][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.689033][ T3767] netlink_unicast+0x449/0x710 [ 2081.689033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.689033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.689033][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.689033][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.689033][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.689033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2081.689033][ T3767] [ 2081.690711][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2081.690711][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2081.690711][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2081.690711][ T3767] ipv6_find_idev+0x102/0x170 [ 2081.690711][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2081.690711][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2081.690711][ T3767] netlink_rcv_skb+0x130/0x360 [ 2081.690711][ T3767] netlink_unicast+0x449/0x710 [ 2081.690711][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2081.690711][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2081.690711][ T3767] ___sys_sendmsg+0xee/0x170 [ 2081.690711][ T3767] __sys_sendmsg+0xcd/0x170 [ 2081.690711][ T3767] do_syscall_64+0xc6/0x1e0 [ 2081.690711][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2081.690711][ T3767] [ 2092.336145][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2092.336572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2092.336572][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2092.336572][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2092.336572][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2092.336572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2092.336572][ T3767] ip6_route_add+0x1c/0x140 [ 2092.336572][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2092.336572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.336572][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.336572][ T3767] netlink_unicast+0x449/0x710 [ 2092.336572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.336572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.336572][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.336572][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.336572][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.336572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.336572][ T3767] [ 2092.338684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2092.338684][ T3767] netdev_get_by_index+0x5e/0x80 [ 2092.338684][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2092.338684][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2092.338684][ T3767] ip6_route_add+0x1c/0x140 [ 2092.338684][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2092.338684][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2092.338684][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.338684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.338684][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.338684][ T3767] netlink_unicast+0x449/0x710 [ 2092.338684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.338684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.338684][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.338684][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.338684][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.338684][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.338684][ T3767] [ 2092.340865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2092.340865][ T3767] netdev_get_by_index+0x5e/0x80 [ 2092.340865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2092.340865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2092.340865][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2092.340865][ T3767] ipv6_add_addr+0x411/0x2000 [ 2092.340865][ T3767] inet6_addr_add+0x30e/0xa40 [ 2092.340865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.340865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.340865][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.340865][ T3767] netlink_unicast+0x449/0x710 [ 2092.340865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.340865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.340865][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.340865][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.340865][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.340865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.340865][ T3767] [ 2092.343063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2092.343063][ T3767] netdev_get_by_index+0x5e/0x80 [ 2092.343063][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2092.343063][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2092.343063][ T3767] ip6_route_add+0x1c/0x140 [ 2092.343063][ T3767] addrconf_add_mroute+0x129/0x180 [ 2092.343063][ T3767] addrconf_add_dev+0xe2/0x170 [ 2092.343063][ T3767] inet6_addr_add+0x12f/0xa40 [ 2092.343063][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.343063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.343063][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.343063][ T3767] netlink_unicast+0x449/0x710 [ 2092.343063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.343063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.343063][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.343063][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.343063][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.343063][ T3767] [ 2092.345215][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2092.345215][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2092.345215][ T3767] ipv6_find_idev+0x102/0x170 [ 2092.345215][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.345215][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.345215][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.345215][ T3767] netlink_unicast+0x449/0x710 [ 2092.345215][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.345215][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.345215][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.345215][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.345215][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.345215][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.345215][ T3767] [ 2092.346909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2092.346909][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2092.346909][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2092.346909][ T3767] ipv6_find_idev+0x102/0x170 [ 2092.346909][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.346909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.346909][ T3767] netlink_rcv_skb+0x130/0x360 [ 2092.346909][ T3767] netlink_unicast+0x449/0x710 [ 2092.346909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2092.346909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2092.346909][ T3767] ___sys_sendmsg+0xee/0x170 [ 2092.346909][ T3767] __sys_sendmsg+0xcd/0x170 [ 2092.346909][ T3767] do_syscall_64+0xc6/0x1e0 [ 2092.346909][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.346909][ T3767] [ 2102.599993][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2102.600407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2102.600407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2102.600407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2102.600407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2102.600407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2102.600407][ T3767] ip6_route_add+0x1c/0x140 [ 2102.600407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2102.600407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.600407][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.600407][ T3767] netlink_unicast+0x449/0x710 [ 2102.600407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.600407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.600407][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.600407][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.600407][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.600407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.600407][ T3767] [ 2102.602505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2102.602505][ T3767] netdev_get_by_index+0x5e/0x80 [ 2102.602505][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2102.602505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2102.602505][ T3767] ip6_route_add+0x1c/0x140 [ 2102.602505][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2102.602505][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2102.602505][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.602505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.602505][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.602505][ T3767] netlink_unicast+0x449/0x710 [ 2102.602505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.602505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.602505][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.602505][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.602505][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.602505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.602505][ T3767] [ 2102.604688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2102.604688][ T3767] netdev_get_by_index+0x5e/0x80 [ 2102.604688][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2102.604688][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2102.604688][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2102.604688][ T3767] ipv6_add_addr+0x411/0x2000 [ 2102.604688][ T3767] inet6_addr_add+0x30e/0xa40 [ 2102.604688][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.604688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.604688][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.604688][ T3767] netlink_unicast+0x449/0x710 [ 2102.604688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.604688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.604688][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.604688][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.604688][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.604688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.604688][ T3767] [ 2102.606914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2102.606914][ T3767] netdev_get_by_index+0x5e/0x80 [ 2102.606914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2102.606914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2102.606914][ T3767] ip6_route_add+0x1c/0x140 [ 2102.606914][ T3767] addrconf_add_mroute+0x129/0x180 [ 2102.606914][ T3767] addrconf_add_dev+0xe2/0x170 [ 2102.606914][ T3767] inet6_addr_add+0x12f/0xa40 [ 2102.606914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.606914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.606914][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.606914][ T3767] netlink_unicast+0x449/0x710 [ 2102.606914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.606914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.606914][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.606914][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.606914][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.606914][ T3767] [ 2102.609061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2102.609061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2102.609061][ T3767] ipv6_find_idev+0x102/0x170 [ 2102.609061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.609061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.609061][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.609061][ T3767] netlink_unicast+0x449/0x710 [ 2102.609061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.609061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.609061][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.609061][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.609061][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.609061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.609061][ T3767] [ 2102.610740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2102.610740][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2102.610740][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2102.610740][ T3767] ipv6_find_idev+0x102/0x170 [ 2102.610740][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.610740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.610740][ T3767] netlink_rcv_skb+0x130/0x360 [ 2102.610740][ T3767] netlink_unicast+0x449/0x710 [ 2102.610740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2102.610740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2102.610740][ T3767] ___sys_sendmsg+0xee/0x170 [ 2102.610740][ T3767] __sys_sendmsg+0xcd/0x170 [ 2102.610740][ T3767] do_syscall_64+0xc6/0x1e0 [ 2102.610740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.610740][ T3767] [ 2112.647929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2112.648335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2112.648335][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2112.648335][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2112.648335][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2112.648335][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2112.648335][ T3767] ip6_route_add+0x1c/0x140 [ 2112.648335][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2112.648335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.648335][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.648335][ T3767] netlink_unicast+0x449/0x710 [ 2112.648335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.648335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.648335][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.648335][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.648335][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.648335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2112.648335][ T3767] [ 2112.650467][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2112.650467][ T3767] netdev_get_by_index+0x5e/0x80 [ 2112.650467][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2112.650467][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2112.650467][ T3767] ip6_route_add+0x1c/0x140 [ 2112.650467][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2112.650467][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2112.650467][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2112.650467][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.650467][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.650467][ T3767] netlink_unicast+0x449/0x710 [ 2112.650467][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.650467][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.650467][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.650467][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.650467][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.650467][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2112.650467][ T3767] [ 2112.652648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2112.652648][ T3767] netdev_get_by_index+0x5e/0x80 [ 2112.652648][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2112.652648][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2112.652648][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2112.652648][ T3767] ipv6_add_addr+0x411/0x2000 [ 2112.652648][ T3767] inet6_addr_add+0x30e/0xa40 [ 2112.652648][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2112.652648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.652648][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.652648][ T3767] netlink_unicast+0x449/0x710 [ 2112.652648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.652648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.652648][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.652648][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.652648][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.652648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2112.652648][ T3767] [ 2112.654826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2112.654826][ T3767] netdev_get_by_index+0x5e/0x80 [ 2112.654826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2112.654826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2112.654826][ T3767] ip6_route_add+0x1c/0x140 [ 2112.654826][ T3767] addrconf_add_mroute+0x129/0x180 [ 2112.654826][ T3767] addrconf_add_dev+0xe2/0x170 [ 2112.654826][ T3767] inet6_addr_add+0x12f/0xa40 [ 2112.654826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2112.654826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.654826][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.654826][ T3767] netlink_unicast+0x449/0x710 [ 2112.654826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.654826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.654826][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.654826][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.654826][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.654826][ T3767] [ 2112.656983][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2112.656983][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2112.656983][ T3767] ipv6_find_idev+0x102/0x170 [ 2112.656983][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2112.656983][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.656983][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.656983][ T3767] netlink_unicast+0x449/0x710 [ 2112.656983][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.656983][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.656983][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.656983][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.656983][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.656983][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2112.656983][ T3767] [ 2112.658662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2112.658662][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2112.658662][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2112.658662][ T3767] ipv6_find_idev+0x102/0x170 [ 2112.658662][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2112.658662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2112.658662][ T3767] netlink_rcv_skb+0x130/0x360 [ 2112.658662][ T3767] netlink_unicast+0x449/0x710 [ 2112.658662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2112.658662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2112.658662][ T3767] ___sys_sendmsg+0xee/0x170 [ 2112.658662][ T3767] __sys_sendmsg+0xcd/0x170 [ 2112.658662][ T3767] do_syscall_64+0xc6/0x1e0 [ 2112.658662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2112.658662][ T3767] [ 2122.703945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2122.704359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2122.704359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2122.704359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2122.704359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2122.704359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2122.704359][ T3767] ip6_route_add+0x1c/0x140 [ 2122.704359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2122.704359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.704359][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.704359][ T3767] netlink_unicast+0x449/0x710 [ 2122.704359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.704359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.704359][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.704359][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.704359][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.704359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2122.704359][ T3767] [ 2122.706427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2122.706427][ T3767] netdev_get_by_index+0x5e/0x80 [ 2122.706427][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2122.706427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2122.706427][ T3767] ip6_route_add+0x1c/0x140 [ 2122.706427][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2122.706427][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2122.706427][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2122.706427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.706427][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.706427][ T3767] netlink_unicast+0x449/0x710 [ 2122.706427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.706427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.706427][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.706427][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.706427][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.706427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2122.706427][ T3767] [ 2122.708621][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2122.708621][ T3767] netdev_get_by_index+0x5e/0x80 [ 2122.708621][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2122.708621][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2122.708621][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2122.708621][ T3767] ipv6_add_addr+0x411/0x2000 [ 2122.708621][ T3767] inet6_addr_add+0x30e/0xa40 [ 2122.708621][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2122.708621][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.708621][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.708621][ T3767] netlink_unicast+0x449/0x710 [ 2122.708621][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.708621][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.708621][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.708621][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.708621][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.708621][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2122.708621][ T3767] [ 2122.710819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2122.710819][ T3767] netdev_get_by_index+0x5e/0x80 [ 2122.710819][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2122.710819][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2122.710819][ T3767] ip6_route_add+0x1c/0x140 [ 2122.710819][ T3767] addrconf_add_mroute+0x129/0x180 [ 2122.710819][ T3767] addrconf_add_dev+0xe2/0x170 [ 2122.710819][ T3767] inet6_addr_add+0x12f/0xa40 [ 2122.710819][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2122.710819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.710819][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.710819][ T3767] netlink_unicast+0x449/0x710 [ 2122.710819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.710819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.710819][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.710819][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.710819][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.710819][ T3767] [ 2122.712994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2122.712994][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2122.712994][ T3767] ipv6_find_idev+0x102/0x170 [ 2122.712994][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2122.712994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.712994][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.712994][ T3767] netlink_unicast+0x449/0x710 [ 2122.712994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.712994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.712994][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.712994][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.712994][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.712994][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2122.712994][ T3767] [ 2122.714688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2122.714688][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2122.714688][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2122.714688][ T3767] ipv6_find_idev+0x102/0x170 [ 2122.714688][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2122.714688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2122.714688][ T3767] netlink_rcv_skb+0x130/0x360 [ 2122.714688][ T3767] netlink_unicast+0x449/0x710 [ 2122.714688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2122.714688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2122.714688][ T3767] ___sys_sendmsg+0xee/0x170 [ 2122.714688][ T3767] __sys_sendmsg+0xcd/0x170 [ 2122.714688][ T3767] do_syscall_64+0xc6/0x1e0 [ 2122.714688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2122.714688][ T3767] [ 2132.951886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2132.952288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2132.952288][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2132.952288][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2132.952288][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2132.952288][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2132.952288][ T3767] ip6_route_add+0x1c/0x140 [ 2132.952288][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2132.952288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.952288][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.952288][ T3767] netlink_unicast+0x449/0x710 [ 2132.952288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.952288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.952288][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.952288][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.952288][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.952288][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2132.952288][ T3767] [ 2132.954418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2132.954418][ T3767] netdev_get_by_index+0x5e/0x80 [ 2132.954418][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2132.954418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2132.954418][ T3767] ip6_route_add+0x1c/0x140 [ 2132.954418][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2132.954418][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2132.954418][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2132.954418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.954418][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.954418][ T3767] netlink_unicast+0x449/0x710 [ 2132.954418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.954418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.954418][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.954418][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.954418][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.954418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2132.954418][ T3767] [ 2132.956630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2132.956630][ T3767] netdev_get_by_index+0x5e/0x80 [ 2132.956630][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2132.956630][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2132.956630][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2132.956630][ T3767] ipv6_add_addr+0x411/0x2000 [ 2132.956630][ T3767] inet6_addr_add+0x30e/0xa40 [ 2132.956630][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2132.956630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.956630][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.956630][ T3767] netlink_unicast+0x449/0x710 [ 2132.956630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.956630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.956630][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.956630][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.956630][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.956630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2132.956630][ T3767] [ 2132.958833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2132.958833][ T3767] netdev_get_by_index+0x5e/0x80 [ 2132.958833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2132.958833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2132.958833][ T3767] ip6_route_add+0x1c/0x140 [ 2132.958833][ T3767] addrconf_add_mroute+0x129/0x180 [ 2132.958833][ T3767] addrconf_add_dev+0xe2/0x170 [ 2132.958833][ T3767] inet6_addr_add+0x12f/0xa40 [ 2132.958833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2132.958833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.958833][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.958833][ T3767] netlink_unicast+0x449/0x710 [ 2132.958833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.958833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.958833][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.958833][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.958833][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.958833][ T3767] [ 2132.961003][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2132.961003][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2132.961003][ T3767] ipv6_find_idev+0x102/0x170 [ 2132.961003][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2132.961003][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.961003][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.961003][ T3767] netlink_unicast+0x449/0x710 [ 2132.961003][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.961003][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.961003][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.961003][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.961003][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.961003][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2132.961003][ T3767] [ 2132.962696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2132.962696][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2132.962696][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2132.962696][ T3767] ipv6_find_idev+0x102/0x170 [ 2132.962696][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2132.962696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2132.962696][ T3767] netlink_rcv_skb+0x130/0x360 [ 2132.962696][ T3767] netlink_unicast+0x449/0x710 [ 2132.962696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2132.962696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2132.962696][ T3767] ___sys_sendmsg+0xee/0x170 [ 2132.962696][ T3767] __sys_sendmsg+0xcd/0x170 [ 2132.962696][ T3767] do_syscall_64+0xc6/0x1e0 [ 2132.962696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2132.962696][ T3767] [ 2143.199954][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2143.200355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2143.200355][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2143.200355][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2143.200355][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2143.200355][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2143.200355][ T3767] ip6_route_add+0x1c/0x140 [ 2143.200355][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2143.200355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.200355][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.200355][ T3767] netlink_unicast+0x449/0x710 [ 2143.200355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.200355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.200355][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.200355][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.200355][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.200355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.200355][ T3767] [ 2143.202456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2143.202456][ T3767] netdev_get_by_index+0x5e/0x80 [ 2143.202456][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2143.202456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2143.202456][ T3767] ip6_route_add+0x1c/0x140 [ 2143.202456][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2143.202456][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2143.202456][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.202456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.202456][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.202456][ T3767] netlink_unicast+0x449/0x710 [ 2143.202456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.202456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.202456][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.202456][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.202456][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.202456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.202456][ T3767] [ 2143.204678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2143.204678][ T3767] netdev_get_by_index+0x5e/0x80 [ 2143.204678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2143.204678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2143.204678][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2143.204678][ T3767] ipv6_add_addr+0x411/0x2000 [ 2143.204678][ T3767] inet6_addr_add+0x30e/0xa40 [ 2143.204678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.204678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.204678][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.204678][ T3767] netlink_unicast+0x449/0x710 [ 2143.204678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.204678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.204678][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.204678][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.204678][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.204678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.204678][ T3767] [ 2143.206896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2143.206896][ T3767] netdev_get_by_index+0x5e/0x80 [ 2143.206896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2143.206896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2143.206896][ T3767] ip6_route_add+0x1c/0x140 [ 2143.206896][ T3767] addrconf_add_mroute+0x129/0x180 [ 2143.206896][ T3767] addrconf_add_dev+0xe2/0x170 [ 2143.206896][ T3767] inet6_addr_add+0x12f/0xa40 [ 2143.206896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.206896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.206896][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.206896][ T3767] netlink_unicast+0x449/0x710 [ 2143.206896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.206896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.206896][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.206896][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.206896][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.206896][ T3767] [ 2143.209048][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2143.209048][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2143.209048][ T3767] ipv6_find_idev+0x102/0x170 [ 2143.209048][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.209048][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.209048][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.209048][ T3767] netlink_unicast+0x449/0x710 [ 2143.209048][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.209048][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.209048][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.209048][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.209048][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.209048][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.209048][ T3767] [ 2143.210737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2143.210737][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2143.210737][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2143.210737][ T3767] ipv6_find_idev+0x102/0x170 [ 2143.210737][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.210737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.210737][ T3767] netlink_rcv_skb+0x130/0x360 [ 2143.210737][ T3767] netlink_unicast+0x449/0x710 [ 2143.210737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2143.210737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2143.210737][ T3767] ___sys_sendmsg+0xee/0x170 [ 2143.210737][ T3767] __sys_sendmsg+0xcd/0x170 [ 2143.210737][ T3767] do_syscall_64+0xc6/0x1e0 [ 2143.210737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.210737][ T3767] [ 2153.447956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2153.448560][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2153.448560][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2153.448560][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2153.448560][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2153.448560][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2153.448560][ T3767] ip6_route_add+0x1c/0x140 [ 2153.448560][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2153.448560][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.448560][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.448560][ T3767] netlink_unicast+0x449/0x710 [ 2153.448560][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.448560][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.448560][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.448560][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.448560][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.448560][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.448560][ T3767] [ 2153.451829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2153.451829][ T3767] netdev_get_by_index+0x5e/0x80 [ 2153.451829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2153.451829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2153.451829][ T3767] ip6_route_add+0x1c/0x140 [ 2153.451829][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2153.451829][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2153.451829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.451829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.451829][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.451829][ T3767] netlink_unicast+0x449/0x710 [ 2153.451829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.451829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.451829][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.451829][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.451829][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.451829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.451829][ T3767] [ 2153.455295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2153.455295][ T3767] netdev_get_by_index+0x5e/0x80 [ 2153.455295][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2153.455295][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2153.455295][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2153.455295][ T3767] ipv6_add_addr+0x411/0x2000 [ 2153.455295][ T3767] inet6_addr_add+0x30e/0xa40 [ 2153.455295][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.455295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.455295][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.455295][ T3767] netlink_unicast+0x449/0x710 [ 2153.455295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.455295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.455295][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.455295][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.455295][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.455295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.455295][ T3767] [ 2153.458715][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2153.458715][ T3767] netdev_get_by_index+0x5e/0x80 [ 2153.458715][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2153.458715][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2153.458715][ T3767] ip6_route_add+0x1c/0x140 [ 2153.458715][ T3767] addrconf_add_mroute+0x129/0x180 [ 2153.458715][ T3767] addrconf_add_dev+0xe2/0x170 [ 2153.458715][ T3767] inet6_addr_add+0x12f/0xa40 [ 2153.458715][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.458715][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.458715][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.458715][ T3767] netlink_unicast+0x449/0x710 [ 2153.458715][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.458715][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.458715][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.458715][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.458715][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.458715][ T3767] [ 2153.462610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2153.462610][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2153.462610][ T3767] ipv6_find_idev+0x102/0x170 [ 2153.462610][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.462610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.462610][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.462610][ T3767] netlink_unicast+0x449/0x710 [ 2153.462610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.462610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.462610][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.462610][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.462610][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.462610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.462610][ T3767] [ 2153.465345][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2153.465345][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2153.465345][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2153.465345][ T3767] ipv6_find_idev+0x102/0x170 [ 2153.465345][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.465345][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.465345][ T3767] netlink_rcv_skb+0x130/0x360 [ 2153.465345][ T3767] netlink_unicast+0x449/0x710 [ 2153.465345][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2153.465345][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2153.465345][ T3767] ___sys_sendmsg+0xee/0x170 [ 2153.465345][ T3767] __sys_sendmsg+0xcd/0x170 [ 2153.465345][ T3767] do_syscall_64+0xc6/0x1e0 [ 2153.465345][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.465345][ T3767] [ 2163.688029][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2163.688460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2163.688460][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2163.688460][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2163.688460][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2163.688460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2163.688460][ T3767] ip6_route_add+0x1c/0x140 [ 2163.688460][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2163.688460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.688460][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.688460][ T3767] netlink_unicast+0x449/0x710 [ 2163.688460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.688460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.688460][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.688460][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.688460][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.688460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2163.688460][ T3767] [ 2163.690546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2163.690546][ T3767] netdev_get_by_index+0x5e/0x80 [ 2163.690546][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2163.690546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2163.690546][ T3767] ip6_route_add+0x1c/0x140 [ 2163.690546][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2163.690546][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2163.690546][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2163.690546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.690546][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.690546][ T3767] netlink_unicast+0x449/0x710 [ 2163.690546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.690546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.690546][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.690546][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.690546][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.690546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2163.690546][ T3767] [ 2163.692813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2163.692813][ T3767] netdev_get_by_index+0x5e/0x80 [ 2163.692813][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2163.692813][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2163.692813][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2163.692813][ T3767] ipv6_add_addr+0x411/0x2000 [ 2163.692813][ T3767] inet6_addr_add+0x30e/0xa40 [ 2163.692813][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2163.692813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.692813][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.692813][ T3767] netlink_unicast+0x449/0x710 [ 2163.692813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.692813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.692813][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.692813][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.692813][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.692813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2163.692813][ T3767] [ 2163.695014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2163.695014][ T3767] netdev_get_by_index+0x5e/0x80 [ 2163.695014][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2163.695014][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2163.695014][ T3767] ip6_route_add+0x1c/0x140 [ 2163.695014][ T3767] addrconf_add_mroute+0x129/0x180 [ 2163.695014][ T3767] addrconf_add_dev+0xe2/0x170 [ 2163.695014][ T3767] inet6_addr_add+0x12f/0xa40 [ 2163.695014][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2163.695014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.695014][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.695014][ T3767] netlink_unicast+0x449/0x710 [ 2163.695014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.695014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.695014][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.695014][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.695014][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.695014][ T3767] [ 2163.697184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2163.697184][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2163.697184][ T3767] ipv6_find_idev+0x102/0x170 [ 2163.697184][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2163.697184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.697184][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.697184][ T3767] netlink_unicast+0x449/0x710 [ 2163.697184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.697184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.697184][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.697184][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.697184][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.697184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2163.697184][ T3767] [ 2163.698878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2163.698878][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2163.698878][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2163.698878][ T3767] ipv6_find_idev+0x102/0x170 [ 2163.698878][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2163.698878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2163.698878][ T3767] netlink_rcv_skb+0x130/0x360 [ 2163.698878][ T3767] netlink_unicast+0x449/0x710 [ 2163.698878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2163.698878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2163.698878][ T3767] ___sys_sendmsg+0xee/0x170 [ 2163.698878][ T3767] __sys_sendmsg+0xcd/0x170 [ 2163.698878][ T3767] do_syscall_64+0xc6/0x1e0 [ 2163.698878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2163.698878][ T3767] [ 2173.751882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2173.752289][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2173.752289][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2173.752289][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2173.752289][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2173.752289][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2173.752289][ T3767] ip6_route_add+0x1c/0x140 [ 2173.752289][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2173.752289][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.752289][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.752289][ T3767] netlink_unicast+0x449/0x710 [ 2173.752289][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.752289][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.752289][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.752289][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.752289][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.752289][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2173.752289][ T3767] [ 2173.754745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2173.754745][ T3767] netdev_get_by_index+0x5e/0x80 [ 2173.754745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2173.754745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2173.754745][ T3767] ip6_route_add+0x1c/0x140 [ 2173.754745][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2173.754745][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2173.754745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2173.754745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.754745][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.754745][ T3767] netlink_unicast+0x449/0x710 [ 2173.754745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.754745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.754745][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.754745][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.754745][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.754745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2173.754745][ T3767] [ 2173.756952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2173.756952][ T3767] netdev_get_by_index+0x5e/0x80 [ 2173.756952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2173.756952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2173.756952][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2173.756952][ T3767] ipv6_add_addr+0x411/0x2000 [ 2173.756952][ T3767] inet6_addr_add+0x30e/0xa40 [ 2173.756952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2173.756952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.756952][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.756952][ T3767] netlink_unicast+0x449/0x710 [ 2173.756952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.756952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.756952][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.756952][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.756952][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.756952][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2173.756952][ T3767] [ 2173.759142][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2173.759142][ T3767] netdev_get_by_index+0x5e/0x80 [ 2173.759142][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2173.759142][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2173.759142][ T3767] ip6_route_add+0x1c/0x140 [ 2173.759142][ T3767] addrconf_add_mroute+0x129/0x180 [ 2173.759142][ T3767] addrconf_add_dev+0xe2/0x170 [ 2173.759142][ T3767] inet6_addr_add+0x12f/0xa40 [ 2173.759142][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2173.759142][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.759142][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.759142][ T3767] netlink_unicast+0x449/0x710 [ 2173.759142][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.759142][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.759142][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.759142][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.759142][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.759142][ T3767] [ 2173.761286][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2173.761286][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2173.761286][ T3767] ipv6_find_idev+0x102/0x170 [ 2173.761286][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2173.761286][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.761286][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.761286][ T3767] netlink_unicast+0x449/0x710 [ 2173.761286][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.761286][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.761286][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.761286][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.761286][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.761286][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2173.761286][ T3767] [ 2173.762989][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2173.762989][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2173.762989][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2173.762989][ T3767] ipv6_find_idev+0x102/0x170 [ 2173.762989][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2173.762989][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2173.762989][ T3767] netlink_rcv_skb+0x130/0x360 [ 2173.762989][ T3767] netlink_unicast+0x449/0x710 [ 2173.762989][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2173.762989][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2173.762989][ T3767] ___sys_sendmsg+0xee/0x170 [ 2173.762989][ T3767] __sys_sendmsg+0xcd/0x170 [ 2173.762989][ T3767] do_syscall_64+0xc6/0x1e0 [ 2173.762989][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2173.762989][ T3767] [ 2184.007942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2184.008353][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2184.008353][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2184.008353][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2184.008353][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2184.008353][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2184.008353][ T3767] ip6_route_add+0x1c/0x140 [ 2184.008353][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2184.008353][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.008353][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.008353][ T3767] netlink_unicast+0x449/0x710 [ 2184.008353][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.008353][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.008353][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.008353][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.008353][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.008353][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.008353][ T3767] [ 2184.010529][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2184.010529][ T3767] netdev_get_by_index+0x5e/0x80 [ 2184.010529][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2184.010529][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2184.010529][ T3767] ip6_route_add+0x1c/0x140 [ 2184.010529][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2184.010529][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2184.010529][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.010529][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.010529][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.010529][ T3767] netlink_unicast+0x449/0x710 [ 2184.010529][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.010529][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.010529][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.010529][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.010529][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.010529][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.010529][ T3767] [ 2184.012727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2184.012727][ T3767] netdev_get_by_index+0x5e/0x80 [ 2184.012727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2184.012727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2184.012727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2184.012727][ T3767] ipv6_add_addr+0x411/0x2000 [ 2184.012727][ T3767] inet6_addr_add+0x30e/0xa40 [ 2184.012727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.012727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.012727][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.012727][ T3767] netlink_unicast+0x449/0x710 [ 2184.012727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.012727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.012727][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.012727][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.012727][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.012727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.012727][ T3767] [ 2184.014914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2184.014914][ T3767] netdev_get_by_index+0x5e/0x80 [ 2184.014914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2184.014914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2184.014914][ T3767] ip6_route_add+0x1c/0x140 [ 2184.014914][ T3767] addrconf_add_mroute+0x129/0x180 [ 2184.014914][ T3767] addrconf_add_dev+0xe2/0x170 [ 2184.014914][ T3767] inet6_addr_add+0x12f/0xa40 [ 2184.014914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.014914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.014914][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.014914][ T3767] netlink_unicast+0x449/0x710 [ 2184.014914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.014914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.014914][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.014914][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.014914][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.014914][ T3767] [ 2184.017086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2184.017086][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2184.017086][ T3767] ipv6_find_idev+0x102/0x170 [ 2184.017086][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.017086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.017086][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.017086][ T3767] netlink_unicast+0x449/0x710 [ 2184.017086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.017086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.017086][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.017086][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.017086][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.017086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.017086][ T3767] [ 2184.018767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2184.018767][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2184.018767][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2184.018767][ T3767] ipv6_find_idev+0x102/0x170 [ 2184.018767][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.018767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.018767][ T3767] netlink_rcv_skb+0x130/0x360 [ 2184.018767][ T3767] netlink_unicast+0x449/0x710 [ 2184.018767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2184.018767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2184.018767][ T3767] ___sys_sendmsg+0xee/0x170 [ 2184.018767][ T3767] __sys_sendmsg+0xcd/0x170 [ 2184.018767][ T3767] do_syscall_64+0xc6/0x1e0 [ 2184.018767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.018767][ T3767] [ 2194.255907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2194.256331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2194.256331][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2194.256331][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2194.256331][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2194.256331][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2194.256331][ T3767] ip6_route_add+0x1c/0x140 [ 2194.256331][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2194.256331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.256331][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.256331][ T3767] netlink_unicast+0x449/0x710 [ 2194.256331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.256331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.256331][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.256331][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.256331][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.256331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2194.256331][ T3767] [ 2194.258412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2194.258412][ T3767] netdev_get_by_index+0x5e/0x80 [ 2194.258412][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2194.258412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2194.258412][ T3767] ip6_route_add+0x1c/0x140 [ 2194.258412][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2194.258412][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2194.258412][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2194.258412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.258412][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.258412][ T3767] netlink_unicast+0x449/0x710 [ 2194.258412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.258412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.258412][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.258412][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.258412][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.258412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2194.258412][ T3767] [ 2194.260627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2194.260627][ T3767] netdev_get_by_index+0x5e/0x80 [ 2194.260627][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2194.260627][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2194.260627][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2194.260627][ T3767] ipv6_add_addr+0x411/0x2000 [ 2194.260627][ T3767] inet6_addr_add+0x30e/0xa40 [ 2194.260627][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2194.260627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.260627][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.260627][ T3767] netlink_unicast+0x449/0x710 [ 2194.260627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.260627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.260627][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.260627][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.260627][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.260627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2194.260627][ T3767] [ 2194.262829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2194.262829][ T3767] netdev_get_by_index+0x5e/0x80 [ 2194.262829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2194.262829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2194.262829][ T3767] ip6_route_add+0x1c/0x140 [ 2194.262829][ T3767] addrconf_add_mroute+0x129/0x180 [ 2194.262829][ T3767] addrconf_add_dev+0xe2/0x170 [ 2194.262829][ T3767] inet6_addr_add+0x12f/0xa40 [ 2194.262829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2194.262829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.262829][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.262829][ T3767] netlink_unicast+0x449/0x710 [ 2194.262829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.262829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.262829][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.262829][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.262829][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.262829][ T3767] [ 2194.265087][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2194.265087][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2194.265087][ T3767] ipv6_find_idev+0x102/0x170 [ 2194.265087][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2194.265087][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.265087][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.265087][ T3767] netlink_unicast+0x449/0x710 [ 2194.265087][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.265087][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.265087][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.265087][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.265087][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.265087][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2194.265087][ T3767] [ 2194.266904][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2194.266904][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2194.266904][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2194.266904][ T3767] ipv6_find_idev+0x102/0x170 [ 2194.266904][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2194.266904][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2194.266904][ T3767] netlink_rcv_skb+0x130/0x360 [ 2194.266904][ T3767] netlink_unicast+0x449/0x710 [ 2194.266904][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2194.266904][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2194.266904][ T3767] ___sys_sendmsg+0xee/0x170 [ 2194.266904][ T3767] __sys_sendmsg+0xcd/0x170 [ 2194.266904][ T3767] do_syscall_64+0xc6/0x1e0 [ 2194.266904][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2194.266904][ T3767] [ 2204.375966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2204.376384][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2204.376384][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2204.376384][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2204.376384][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2204.376384][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2204.376384][ T3767] ip6_route_add+0x1c/0x140 [ 2204.376384][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2204.376384][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.376384][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.376384][ T3767] netlink_unicast+0x449/0x710 [ 2204.376384][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.376384][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.376384][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.376384][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.376384][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.376384][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2204.376384][ T3767] [ 2204.378446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2204.378446][ T3767] netdev_get_by_index+0x5e/0x80 [ 2204.378446][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2204.378446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2204.378446][ T3767] ip6_route_add+0x1c/0x140 [ 2204.378446][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2204.378446][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2204.378446][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2204.378446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.378446][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.378446][ T3767] netlink_unicast+0x449/0x710 [ 2204.378446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.378446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.378446][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.378446][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.378446][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.378446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2204.378446][ T3767] [ 2204.380734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2204.380734][ T3767] netdev_get_by_index+0x5e/0x80 [ 2204.380734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2204.380734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2204.380734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2204.380734][ T3767] ipv6_add_addr+0x411/0x2000 [ 2204.380734][ T3767] inet6_addr_add+0x30e/0xa40 [ 2204.380734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2204.380734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.380734][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.380734][ T3767] netlink_unicast+0x449/0x710 [ 2204.380734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.380734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.380734][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.380734][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.380734][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.380734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2204.380734][ T3767] [ 2204.382917][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2204.382917][ T3767] netdev_get_by_index+0x5e/0x80 [ 2204.382917][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2204.382917][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2204.382917][ T3767] ip6_route_add+0x1c/0x140 [ 2204.382917][ T3767] addrconf_add_mroute+0x129/0x180 [ 2204.382917][ T3767] addrconf_add_dev+0xe2/0x170 [ 2204.382917][ T3767] inet6_addr_add+0x12f/0xa40 [ 2204.382917][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2204.382917][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.382917][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.382917][ T3767] netlink_unicast+0x449/0x710 [ 2204.382917][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.382917][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.382917][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.382917][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.382917][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.382917][ T3767] [ 2204.385061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2204.385061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2204.385061][ T3767] ipv6_find_idev+0x102/0x170 [ 2204.385061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2204.385061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.385061][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.385061][ T3767] netlink_unicast+0x449/0x710 [ 2204.385061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.385061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.385061][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.385061][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.385061][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.385061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2204.385061][ T3767] [ 2204.386747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2204.386747][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2204.386747][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2204.386747][ T3767] ipv6_find_idev+0x102/0x170 [ 2204.386747][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2204.386747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2204.386747][ T3767] netlink_rcv_skb+0x130/0x360 [ 2204.386747][ T3767] netlink_unicast+0x449/0x710 [ 2204.386747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2204.386747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2204.386747][ T3767] ___sys_sendmsg+0xee/0x170 [ 2204.386747][ T3767] __sys_sendmsg+0xcd/0x170 [ 2204.386747][ T3767] do_syscall_64+0xc6/0x1e0 [ 2204.386747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2204.386747][ T3767] [ 2214.623958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2214.624426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2214.624426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2214.624426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2214.624426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2214.624426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2214.624426][ T3767] ip6_route_add+0x1c/0x140 [ 2214.624426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2214.624426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.624426][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.624426][ T3767] netlink_unicast+0x449/0x710 [ 2214.624426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.624426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.624426][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.624426][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.624426][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.624426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2214.624426][ T3767] [ 2214.626507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2214.626507][ T3767] netdev_get_by_index+0x5e/0x80 [ 2214.626507][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2214.626507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2214.626507][ T3767] ip6_route_add+0x1c/0x140 [ 2214.626507][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2214.626507][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2214.626507][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2214.626507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.626507][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.626507][ T3767] netlink_unicast+0x449/0x710 [ 2214.626507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.626507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.626507][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.626507][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.626507][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.626507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2214.626507][ T3767] [ 2214.628702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2214.628702][ T3767] netdev_get_by_index+0x5e/0x80 [ 2214.628702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2214.628702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2214.628702][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2214.628702][ T3767] ipv6_add_addr+0x411/0x2000 [ 2214.628702][ T3767] inet6_addr_add+0x30e/0xa40 [ 2214.628702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2214.628702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.628702][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.628702][ T3767] netlink_unicast+0x449/0x710 [ 2214.628702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.628702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.628702][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.628702][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.628702][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.628702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2214.628702][ T3767] [ 2214.630902][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2214.630902][ T3767] netdev_get_by_index+0x5e/0x80 [ 2214.630902][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2214.630902][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2214.630902][ T3767] ip6_route_add+0x1c/0x140 [ 2214.630902][ T3767] addrconf_add_mroute+0x129/0x180 [ 2214.630902][ T3767] addrconf_add_dev+0xe2/0x170 [ 2214.630902][ T3767] inet6_addr_add+0x12f/0xa40 [ 2214.630902][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2214.630902][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.630902][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.630902][ T3767] netlink_unicast+0x449/0x710 [ 2214.630902][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.630902][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.630902][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.630902][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.630902][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.630902][ T3767] [ 2214.633064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2214.633064][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2214.633064][ T3767] ipv6_find_idev+0x102/0x170 [ 2214.633064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2214.633064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.633064][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.633064][ T3767] netlink_unicast+0x449/0x710 [ 2214.633064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.633064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.633064][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.633064][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.633064][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.633064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2214.633064][ T3767] [ 2214.634749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2214.634749][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2214.634749][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2214.634749][ T3767] ipv6_find_idev+0x102/0x170 [ 2214.634749][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2214.634749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2214.634749][ T3767] netlink_rcv_skb+0x130/0x360 [ 2214.634749][ T3767] netlink_unicast+0x449/0x710 [ 2214.634749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2214.634749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2214.634749][ T3767] ___sys_sendmsg+0xee/0x170 [ 2214.634749][ T3767] __sys_sendmsg+0xcd/0x170 [ 2214.634749][ T3767] do_syscall_64+0xc6/0x1e0 [ 2214.634749][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2214.634749][ T3767] [ 2224.871876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2224.872388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2224.872388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2224.872388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2224.872388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2224.872388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2224.872388][ T3767] ip6_route_add+0x1c/0x140 [ 2224.872388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2224.872388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.872388][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.872388][ T3767] netlink_unicast+0x449/0x710 [ 2224.872388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.872388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.872388][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.872388][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.872388][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.872388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2224.872388][ T3767] [ 2224.874479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2224.874479][ T3767] netdev_get_by_index+0x5e/0x80 [ 2224.874479][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2224.874479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2224.874479][ T3767] ip6_route_add+0x1c/0x140 [ 2224.874479][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2224.874479][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2224.874479][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2224.874479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.874479][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.874479][ T3767] netlink_unicast+0x449/0x710 [ 2224.874479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.874479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.874479][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.874479][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.874479][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.874479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2224.874479][ T3767] [ 2224.876745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2224.876745][ T3767] netdev_get_by_index+0x5e/0x80 [ 2224.876745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2224.876745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2224.876745][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2224.876745][ T3767] ipv6_add_addr+0x411/0x2000 [ 2224.876745][ T3767] inet6_addr_add+0x30e/0xa40 [ 2224.876745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2224.876745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.876745][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.876745][ T3767] netlink_unicast+0x449/0x710 [ 2224.876745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.876745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.876745][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.876745][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.876745][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.876745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2224.876745][ T3767] [ 2224.878955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2224.878955][ T3767] netdev_get_by_index+0x5e/0x80 [ 2224.878955][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2224.878955][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2224.878955][ T3767] ip6_route_add+0x1c/0x140 [ 2224.878955][ T3767] addrconf_add_mroute+0x129/0x180 [ 2224.878955][ T3767] addrconf_add_dev+0xe2/0x170 [ 2224.878955][ T3767] inet6_addr_add+0x12f/0xa40 [ 2224.878955][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2224.878955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.878955][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.878955][ T3767] netlink_unicast+0x449/0x710 [ 2224.878955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.878955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.878955][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.878955][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.878955][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.878955][ T3767] [ 2224.881140][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2224.881140][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2224.881140][ T3767] ipv6_find_idev+0x102/0x170 [ 2224.881140][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2224.881140][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.881140][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.881140][ T3767] netlink_unicast+0x449/0x710 [ 2224.881140][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.881140][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.881140][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.881140][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.881140][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.881140][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2224.881140][ T3767] [ 2224.882845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2224.882845][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2224.882845][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2224.882845][ T3767] ipv6_find_idev+0x102/0x170 [ 2224.882845][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2224.882845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2224.882845][ T3767] netlink_rcv_skb+0x130/0x360 [ 2224.882845][ T3767] netlink_unicast+0x449/0x710 [ 2224.882845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2224.882845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2224.882845][ T3767] ___sys_sendmsg+0xee/0x170 [ 2224.882845][ T3767] __sys_sendmsg+0xcd/0x170 [ 2224.882845][ T3767] do_syscall_64+0xc6/0x1e0 [ 2224.882845][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2224.882845][ T3767] [ 2234.935942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2234.936382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2234.936382][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2234.936382][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2234.936382][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2234.936382][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2234.936382][ T3767] ip6_route_add+0x1c/0x140 [ 2234.936382][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2234.936382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.936382][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.936382][ T3767] netlink_unicast+0x449/0x710 [ 2234.936382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.936382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.936382][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.936382][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.936382][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.936382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2234.936382][ T3767] [ 2234.938508][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2234.938508][ T3767] netdev_get_by_index+0x5e/0x80 [ 2234.938508][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2234.938508][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2234.938508][ T3767] ip6_route_add+0x1c/0x140 [ 2234.938508][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2234.938508][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2234.938508][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2234.938508][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.938508][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.938508][ T3767] netlink_unicast+0x449/0x710 [ 2234.938508][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.938508][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.938508][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.938508][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.938508][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.938508][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2234.938508][ T3767] [ 2234.940734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2234.940734][ T3767] netdev_get_by_index+0x5e/0x80 [ 2234.940734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2234.940734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2234.940734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2234.940734][ T3767] ipv6_add_addr+0x411/0x2000 [ 2234.940734][ T3767] inet6_addr_add+0x30e/0xa40 [ 2234.940734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2234.940734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.940734][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.940734][ T3767] netlink_unicast+0x449/0x710 [ 2234.940734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.940734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.940734][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.940734][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.940734][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.940734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2234.940734][ T3767] [ 2234.942964][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2234.942964][ T3767] netdev_get_by_index+0x5e/0x80 [ 2234.942964][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2234.942964][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2234.942964][ T3767] ip6_route_add+0x1c/0x140 [ 2234.942964][ T3767] addrconf_add_mroute+0x129/0x180 [ 2234.942964][ T3767] addrconf_add_dev+0xe2/0x170 [ 2234.942964][ T3767] inet6_addr_add+0x12f/0xa40 [ 2234.942964][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2234.942964][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.942964][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.942964][ T3767] netlink_unicast+0x449/0x710 [ 2234.942964][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.942964][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.942964][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.942964][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.942964][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.942964][ T3767] [ 2234.945141][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2234.945141][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2234.945141][ T3767] ipv6_find_idev+0x102/0x170 [ 2234.945141][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2234.945141][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.945141][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.945141][ T3767] netlink_unicast+0x449/0x710 [ 2234.945141][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.945141][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.945141][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.945141][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.945141][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.945141][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2234.945141][ T3767] [ 2234.946870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2234.946870][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2234.946870][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2234.946870][ T3767] ipv6_find_idev+0x102/0x170 [ 2234.946870][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2234.946870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2234.946870][ T3767] netlink_rcv_skb+0x130/0x360 [ 2234.946870][ T3767] netlink_unicast+0x449/0x710 [ 2234.946870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2234.946870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2234.946870][ T3767] ___sys_sendmsg+0xee/0x170 [ 2234.946870][ T3767] __sys_sendmsg+0xcd/0x170 [ 2234.946870][ T3767] do_syscall_64+0xc6/0x1e0 [ 2234.946870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2234.946870][ T3767] [ 2245.199867][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2245.200293][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2245.200293][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2245.200293][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2245.200293][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2245.200293][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2245.200293][ T3767] ip6_route_add+0x1c/0x140 [ 2245.200293][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2245.200293][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.200293][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.200293][ T3767] netlink_unicast+0x449/0x710 [ 2245.200293][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.200293][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.200293][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.200293][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.200293][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.200293][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2245.200293][ T3767] [ 2245.202416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2245.202416][ T3767] netdev_get_by_index+0x5e/0x80 [ 2245.202416][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2245.202416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2245.202416][ T3767] ip6_route_add+0x1c/0x140 [ 2245.202416][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2245.202416][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2245.202416][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2245.202416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.202416][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.202416][ T3767] netlink_unicast+0x449/0x710 [ 2245.202416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.202416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.202416][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.202416][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.202416][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.202416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2245.202416][ T3767] [ 2245.204640][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2245.204640][ T3767] netdev_get_by_index+0x5e/0x80 [ 2245.204640][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2245.204640][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2245.204640][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2245.204640][ T3767] ipv6_add_addr+0x411/0x2000 [ 2245.204640][ T3767] inet6_addr_add+0x30e/0xa40 [ 2245.204640][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2245.204640][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.204640][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.204640][ T3767] netlink_unicast+0x449/0x710 [ 2245.204640][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.204640][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.204640][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.204640][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.204640][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.204640][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2245.204640][ T3767] [ 2245.206901][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2245.206901][ T3767] netdev_get_by_index+0x5e/0x80 [ 2245.206901][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2245.206901][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2245.206901][ T3767] ip6_route_add+0x1c/0x140 [ 2245.206901][ T3767] addrconf_add_mroute+0x129/0x180 [ 2245.206901][ T3767] addrconf_add_dev+0xe2/0x170 [ 2245.206901][ T3767] inet6_addr_add+0x12f/0xa40 [ 2245.206901][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2245.206901][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.206901][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.206901][ T3767] netlink_unicast+0x449/0x710 [ 2245.206901][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.206901][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.206901][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.206901][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.206901][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.206901][ T3767] [ 2245.209096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2245.209096][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2245.209096][ T3767] ipv6_find_idev+0x102/0x170 [ 2245.209096][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2245.209096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.209096][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.209096][ T3767] netlink_unicast+0x449/0x710 [ 2245.209096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.209096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.209096][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.209096][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.209096][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.209096][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2245.209096][ T3767] [ 2245.210825][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2245.210825][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2245.210825][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2245.210825][ T3767] ipv6_find_idev+0x102/0x170 [ 2245.210825][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2245.210825][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2245.210825][ T3767] netlink_rcv_skb+0x130/0x360 [ 2245.210825][ T3767] netlink_unicast+0x449/0x710 [ 2245.210825][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2245.210825][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2245.210825][ T3767] ___sys_sendmsg+0xee/0x170 [ 2245.210825][ T3767] __sys_sendmsg+0xcd/0x170 [ 2245.210825][ T3767] do_syscall_64+0xc6/0x1e0 [ 2245.210825][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2245.210825][ T3767] [ 2255.359946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2255.360373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2255.360373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2255.360373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2255.360373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2255.360373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2255.360373][ T3767] ip6_route_add+0x1c/0x140 [ 2255.360373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2255.360373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.360373][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.360373][ T3767] netlink_unicast+0x449/0x710 [ 2255.360373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.360373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.360373][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.360373][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.360373][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.360373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2255.360373][ T3767] [ 2255.362488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2255.362488][ T3767] netdev_get_by_index+0x5e/0x80 [ 2255.362488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2255.362488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2255.362488][ T3767] ip6_route_add+0x1c/0x140 [ 2255.362488][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2255.362488][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2255.362488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2255.362488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.362488][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.362488][ T3767] netlink_unicast+0x449/0x710 [ 2255.362488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.362488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.362488][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.362488][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.362488][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.362488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2255.362488][ T3767] [ 2255.364698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2255.364698][ T3767] netdev_get_by_index+0x5e/0x80 [ 2255.364698][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2255.364698][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2255.364698][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2255.364698][ T3767] ipv6_add_addr+0x411/0x2000 [ 2255.364698][ T3767] inet6_addr_add+0x30e/0xa40 [ 2255.364698][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2255.364698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.364698][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.364698][ T3767] netlink_unicast+0x449/0x710 [ 2255.364698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.364698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.364698][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.364698][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.364698][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.364698][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2255.364698][ T3767] [ 2255.366920][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2255.366920][ T3767] netdev_get_by_index+0x5e/0x80 [ 2255.366920][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2255.366920][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2255.366920][ T3767] ip6_route_add+0x1c/0x140 [ 2255.366920][ T3767] addrconf_add_mroute+0x129/0x180 [ 2255.366920][ T3767] addrconf_add_dev+0xe2/0x170 [ 2255.366920][ T3767] inet6_addr_add+0x12f/0xa40 [ 2255.366920][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2255.366920][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.366920][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.366920][ T3767] netlink_unicast+0x449/0x710 [ 2255.366920][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.366920][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.366920][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.366920][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.366920][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.366920][ T3767] [ 2255.369090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2255.369090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2255.369090][ T3767] ipv6_find_idev+0x102/0x170 [ 2255.369090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2255.369090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.369090][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.369090][ T3767] netlink_unicast+0x449/0x710 [ 2255.369090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.369090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.369090][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.369090][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.369090][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.369090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2255.369090][ T3767] [ 2255.370804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2255.370804][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2255.370804][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2255.370804][ T3767] ipv6_find_idev+0x102/0x170 [ 2255.370804][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2255.370804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2255.370804][ T3767] netlink_rcv_skb+0x130/0x360 [ 2255.370804][ T3767] netlink_unicast+0x449/0x710 [ 2255.370804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2255.370804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2255.370804][ T3767] ___sys_sendmsg+0xee/0x170 [ 2255.370804][ T3767] __sys_sendmsg+0xcd/0x170 [ 2255.370804][ T3767] do_syscall_64+0xc6/0x1e0 [ 2255.370804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2255.370804][ T3767] [ 2265.607985][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2265.608427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2265.608427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2265.608427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2265.608427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2265.608427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2265.608427][ T3767] ip6_route_add+0x1c/0x140 [ 2265.608427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2265.608427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.608427][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.608427][ T3767] netlink_unicast+0x449/0x710 [ 2265.608427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.608427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.608427][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.608427][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.608427][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.608427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2265.608427][ T3767] [ 2265.610520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2265.610520][ T3767] netdev_get_by_index+0x5e/0x80 [ 2265.610520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2265.610520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2265.610520][ T3767] ip6_route_add+0x1c/0x140 [ 2265.610520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2265.610520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2265.610520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2265.610520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.610520][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.610520][ T3767] netlink_unicast+0x449/0x710 [ 2265.610520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.610520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.610520][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.610520][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.610520][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.610520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2265.610520][ T3767] [ 2265.612737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2265.612737][ T3767] netdev_get_by_index+0x5e/0x80 [ 2265.612737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2265.612737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2265.612737][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2265.612737][ T3767] ipv6_add_addr+0x411/0x2000 [ 2265.612737][ T3767] inet6_addr_add+0x30e/0xa40 [ 2265.612737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2265.612737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.612737][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.612737][ T3767] netlink_unicast+0x449/0x710 [ 2265.612737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.612737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.612737][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.612737][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.612737][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.612737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2265.612737][ T3767] [ 2265.614956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2265.614956][ T3767] netdev_get_by_index+0x5e/0x80 [ 2265.614956][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2265.614956][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2265.614956][ T3767] ip6_route_add+0x1c/0x140 [ 2265.614956][ T3767] addrconf_add_mroute+0x129/0x180 [ 2265.614956][ T3767] addrconf_add_dev+0xe2/0x170 [ 2265.614956][ T3767] inet6_addr_add+0x12f/0xa40 [ 2265.614956][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2265.614956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.614956][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.614956][ T3767] netlink_unicast+0x449/0x710 [ 2265.614956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.614956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.614956][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.614956][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.614956][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.614956][ T3767] [ 2265.617138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2265.617138][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2265.617138][ T3767] ipv6_find_idev+0x102/0x170 [ 2265.617138][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2265.617138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.617138][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.617138][ T3767] netlink_unicast+0x449/0x710 [ 2265.617138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.617138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.617138][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.617138][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.617138][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.617138][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2265.617138][ T3767] [ 2265.618835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2265.618835][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2265.618835][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2265.618835][ T3767] ipv6_find_idev+0x102/0x170 [ 2265.618835][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2265.618835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2265.618835][ T3767] netlink_rcv_skb+0x130/0x360 [ 2265.618835][ T3767] netlink_unicast+0x449/0x710 [ 2265.618835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2265.618835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2265.618835][ T3767] ___sys_sendmsg+0xee/0x170 [ 2265.618835][ T3767] __sys_sendmsg+0xcd/0x170 [ 2265.618835][ T3767] do_syscall_64+0xc6/0x1e0 [ 2265.618835][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2265.618835][ T3767] [ 2275.855971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2275.856423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2275.856423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2275.856423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2275.856423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2275.856423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2275.856423][ T3767] ip6_route_add+0x1c/0x140 [ 2275.856423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2275.856423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.856423][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.856423][ T3767] netlink_unicast+0x449/0x710 [ 2275.856423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.856423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.856423][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.856423][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.856423][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.856423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2275.856423][ T3767] [ 2275.858520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2275.858520][ T3767] netdev_get_by_index+0x5e/0x80 [ 2275.858520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2275.858520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2275.858520][ T3767] ip6_route_add+0x1c/0x140 [ 2275.858520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2275.858520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2275.858520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2275.858520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.858520][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.858520][ T3767] netlink_unicast+0x449/0x710 [ 2275.858520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.858520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.858520][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.858520][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.858520][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.858520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2275.858520][ T3767] [ 2275.860726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2275.860726][ T3767] netdev_get_by_index+0x5e/0x80 [ 2275.860726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2275.860726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2275.860726][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2275.860726][ T3767] ipv6_add_addr+0x411/0x2000 [ 2275.860726][ T3767] inet6_addr_add+0x30e/0xa40 [ 2275.860726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2275.860726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.860726][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.860726][ T3767] netlink_unicast+0x449/0x710 [ 2275.860726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.860726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.860726][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.860726][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.860726][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.860726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2275.860726][ T3767] [ 2275.862933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2275.862933][ T3767] netdev_get_by_index+0x5e/0x80 [ 2275.862933][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2275.862933][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2275.862933][ T3767] ip6_route_add+0x1c/0x140 [ 2275.862933][ T3767] addrconf_add_mroute+0x129/0x180 [ 2275.862933][ T3767] addrconf_add_dev+0xe2/0x170 [ 2275.862933][ T3767] inet6_addr_add+0x12f/0xa40 [ 2275.862933][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2275.862933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.862933][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.862933][ T3767] netlink_unicast+0x449/0x710 [ 2275.862933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.862933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.862933][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.862933][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.862933][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.862933][ T3767] [ 2275.865109][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2275.865109][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2275.865109][ T3767] ipv6_find_idev+0x102/0x170 [ 2275.865109][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2275.865109][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.865109][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.865109][ T3767] netlink_unicast+0x449/0x710 [ 2275.865109][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.865109][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.865109][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.865109][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.865109][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.865109][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2275.865109][ T3767] [ 2275.866822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2275.866822][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2275.866822][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2275.866822][ T3767] ipv6_find_idev+0x102/0x170 [ 2275.866822][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2275.866822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2275.866822][ T3767] netlink_rcv_skb+0x130/0x360 [ 2275.866822][ T3767] netlink_unicast+0x449/0x710 [ 2275.866822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2275.866822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2275.866822][ T3767] ___sys_sendmsg+0xee/0x170 [ 2275.866822][ T3767] __sys_sendmsg+0xcd/0x170 [ 2275.866822][ T3767] do_syscall_64+0xc6/0x1e0 [ 2275.866822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2275.866822][ T3767] [ 2286.103970][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2286.104390][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2286.104390][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2286.104390][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2286.104390][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2286.104390][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2286.104390][ T3767] ip6_route_add+0x1c/0x140 [ 2286.104390][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2286.104390][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.104390][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.104390][ T3767] netlink_unicast+0x449/0x710 [ 2286.104390][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.104390][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.104390][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.104390][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.104390][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.104390][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.104390][ T3767] [ 2286.106494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2286.106494][ T3767] netdev_get_by_index+0x5e/0x80 [ 2286.106494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2286.106494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2286.106494][ T3767] ip6_route_add+0x1c/0x140 [ 2286.106494][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2286.106494][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2286.106494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2286.106494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.106494][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.106494][ T3767] netlink_unicast+0x449/0x710 [ 2286.106494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.106494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.106494][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.106494][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.106494][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.106494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.106494][ T3767] [ 2286.108695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2286.108695][ T3767] netdev_get_by_index+0x5e/0x80 [ 2286.108695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2286.108695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2286.108695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2286.108695][ T3767] ipv6_add_addr+0x411/0x2000 [ 2286.108695][ T3767] inet6_addr_add+0x30e/0xa40 [ 2286.108695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2286.108695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.108695][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.108695][ T3767] netlink_unicast+0x449/0x710 [ 2286.108695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.108695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.108695][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.108695][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.108695][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.108695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.108695][ T3767] [ 2286.110899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2286.110899][ T3767] netdev_get_by_index+0x5e/0x80 [ 2286.110899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2286.110899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2286.110899][ T3767] ip6_route_add+0x1c/0x140 [ 2286.110899][ T3767] addrconf_add_mroute+0x129/0x180 [ 2286.110899][ T3767] addrconf_add_dev+0xe2/0x170 [ 2286.110899][ T3767] inet6_addr_add+0x12f/0xa40 [ 2286.110899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2286.110899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.110899][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.110899][ T3767] netlink_unicast+0x449/0x710 [ 2286.110899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.110899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.110899][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.110899][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.110899][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.110899][ T3767] [ 2286.113076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2286.113076][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2286.113076][ T3767] ipv6_find_idev+0x102/0x170 [ 2286.113076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2286.113076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.113076][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.113076][ T3767] netlink_unicast+0x449/0x710 [ 2286.113076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.113076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.113076][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.113076][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.113076][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.113076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.113076][ T3767] [ 2286.114775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2286.114775][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2286.114775][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2286.114775][ T3767] ipv6_find_idev+0x102/0x170 [ 2286.114775][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2286.114775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2286.114775][ T3767] netlink_rcv_skb+0x130/0x360 [ 2286.114775][ T3767] netlink_unicast+0x449/0x710 [ 2286.114775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2286.114775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2286.114775][ T3767] ___sys_sendmsg+0xee/0x170 [ 2286.114775][ T3767] __sys_sendmsg+0xcd/0x170 [ 2286.114775][ T3767] do_syscall_64+0xc6/0x1e0 [ 2286.114775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2286.114775][ T3767] [ 2296.351948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2296.352464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2296.352464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2296.352464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2296.352464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2296.352464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2296.352464][ T3767] ip6_route_add+0x1c/0x140 [ 2296.352464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2296.352464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.352464][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.352464][ T3767] netlink_unicast+0x449/0x710 [ 2296.352464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.352464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.352464][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.352464][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.352464][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.352464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2296.352464][ T3767] [ 2296.354554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2296.354554][ T3767] netdev_get_by_index+0x5e/0x80 [ 2296.354554][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2296.354554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2296.354554][ T3767] ip6_route_add+0x1c/0x140 [ 2296.354554][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2296.354554][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2296.354554][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2296.354554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.354554][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.354554][ T3767] netlink_unicast+0x449/0x710 [ 2296.354554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.354554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.354554][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.354554][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.354554][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.354554][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2296.354554][ T3767] [ 2296.356769][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2296.356769][ T3767] netdev_get_by_index+0x5e/0x80 [ 2296.356769][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2296.356769][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2296.356769][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2296.356769][ T3767] ipv6_add_addr+0x411/0x2000 [ 2296.356769][ T3767] inet6_addr_add+0x30e/0xa40 [ 2296.356769][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2296.356769][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.356769][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.356769][ T3767] netlink_unicast+0x449/0x710 [ 2296.356769][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.356769][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.356769][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.356769][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.356769][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.356769][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2296.356769][ T3767] [ 2296.358966][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2296.358966][ T3767] netdev_get_by_index+0x5e/0x80 [ 2296.358966][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2296.358966][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2296.358966][ T3767] ip6_route_add+0x1c/0x140 [ 2296.358966][ T3767] addrconf_add_mroute+0x129/0x180 [ 2296.358966][ T3767] addrconf_add_dev+0xe2/0x170 [ 2296.358966][ T3767] inet6_addr_add+0x12f/0xa40 [ 2296.358966][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2296.358966][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.358966][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.358966][ T3767] netlink_unicast+0x449/0x710 [ 2296.358966][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.358966][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.358966][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.358966][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.358966][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.358966][ T3767] [ 2296.361129][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2296.361129][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2296.361129][ T3767] ipv6_find_idev+0x102/0x170 [ 2296.361129][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2296.361129][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.361129][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.361129][ T3767] netlink_unicast+0x449/0x710 [ 2296.361129][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.361129][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.361129][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.361129][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.361129][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.361129][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2296.361129][ T3767] [ 2296.362821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2296.362821][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2296.362821][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2296.362821][ T3767] ipv6_find_idev+0x102/0x170 [ 2296.362821][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2296.362821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2296.362821][ T3767] netlink_rcv_skb+0x130/0x360 [ 2296.362821][ T3767] netlink_unicast+0x449/0x710 [ 2296.362821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2296.362821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2296.362821][ T3767] ___sys_sendmsg+0xee/0x170 [ 2296.362821][ T3767] __sys_sendmsg+0xcd/0x170 [ 2296.362821][ T3767] do_syscall_64+0xc6/0x1e0 [ 2296.362821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2296.362821][ T3767] [ 2306.607900][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2306.608427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2306.608427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2306.608427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2306.608427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2306.608427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2306.608427][ T3767] ip6_route_add+0x1c/0x140 [ 2306.608427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2306.608427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.608427][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.608427][ T3767] netlink_unicast+0x449/0x710 [ 2306.608427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.608427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.608427][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.608427][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.608427][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.608427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2306.608427][ T3767] [ 2306.610549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2306.610549][ T3767] netdev_get_by_index+0x5e/0x80 [ 2306.610549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2306.610549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2306.610549][ T3767] ip6_route_add+0x1c/0x140 [ 2306.610549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2306.610549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2306.610549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2306.610549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.610549][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.610549][ T3767] netlink_unicast+0x449/0x710 [ 2306.610549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.610549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.610549][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.610549][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.610549][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.610549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2306.610549][ T3767] [ 2306.612760][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2306.612760][ T3767] netdev_get_by_index+0x5e/0x80 [ 2306.612760][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2306.612760][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2306.612760][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2306.612760][ T3767] ipv6_add_addr+0x411/0x2000 [ 2306.612760][ T3767] inet6_addr_add+0x30e/0xa40 [ 2306.612760][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2306.612760][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.612760][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.612760][ T3767] netlink_unicast+0x449/0x710 [ 2306.612760][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.612760][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.612760][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.612760][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.612760][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.612760][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2306.612760][ T3767] [ 2306.614963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2306.614963][ T3767] netdev_get_by_index+0x5e/0x80 [ 2306.614963][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2306.614963][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2306.614963][ T3767] ip6_route_add+0x1c/0x140 [ 2306.614963][ T3767] addrconf_add_mroute+0x129/0x180 [ 2306.614963][ T3767] addrconf_add_dev+0xe2/0x170 [ 2306.614963][ T3767] inet6_addr_add+0x12f/0xa40 [ 2306.614963][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2306.614963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.614963][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.614963][ T3767] netlink_unicast+0x449/0x710 [ 2306.614963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.614963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.614963][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.614963][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.614963][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.614963][ T3767] [ 2306.617521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2306.617521][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2306.617521][ T3767] ipv6_find_idev+0x102/0x170 [ 2306.617521][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2306.617521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.617521][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.617521][ T3767] netlink_unicast+0x449/0x710 [ 2306.617521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.617521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.617521][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.617521][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.617521][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.617521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2306.617521][ T3767] [ 2306.619216][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2306.619216][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2306.619216][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2306.619216][ T3767] ipv6_find_idev+0x102/0x170 [ 2306.619216][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2306.619216][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2306.619216][ T3767] netlink_rcv_skb+0x130/0x360 [ 2306.619216][ T3767] netlink_unicast+0x449/0x710 [ 2306.619216][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2306.619216][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2306.619216][ T3767] ___sys_sendmsg+0xee/0x170 [ 2306.619216][ T3767] __sys_sendmsg+0xcd/0x170 [ 2306.619216][ T3767] do_syscall_64+0xc6/0x1e0 [ 2306.619216][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2306.619216][ T3767] [ 2316.863944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2316.864420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2316.864420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2316.864420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2316.864420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2316.864420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2316.864420][ T3767] ip6_route_add+0x1c/0x140 [ 2316.864420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2316.864420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.864420][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.864420][ T3767] netlink_unicast+0x449/0x710 [ 2316.864420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.864420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.864420][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.864420][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.864420][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.864420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2316.864420][ T3767] [ 2316.866513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2316.866513][ T3767] netdev_get_by_index+0x5e/0x80 [ 2316.866513][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2316.866513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2316.866513][ T3767] ip6_route_add+0x1c/0x140 [ 2316.866513][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2316.866513][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2316.866513][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2316.866513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.866513][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.866513][ T3767] netlink_unicast+0x449/0x710 [ 2316.866513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.866513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.866513][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.866513][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.866513][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.866513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2316.866513][ T3767] [ 2316.868704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2316.868704][ T3767] netdev_get_by_index+0x5e/0x80 [ 2316.868704][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2316.868704][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2316.868704][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2316.868704][ T3767] ipv6_add_addr+0x411/0x2000 [ 2316.868704][ T3767] inet6_addr_add+0x30e/0xa40 [ 2316.868704][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2316.868704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.868704][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.868704][ T3767] netlink_unicast+0x449/0x710 [ 2316.868704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.868704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.868704][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.868704][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.868704][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.868704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2316.868704][ T3767] [ 2316.870877][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2316.870877][ T3767] netdev_get_by_index+0x5e/0x80 [ 2316.870877][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2316.870877][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2316.870877][ T3767] ip6_route_add+0x1c/0x140 [ 2316.870877][ T3767] addrconf_add_mroute+0x129/0x180 [ 2316.870877][ T3767] addrconf_add_dev+0xe2/0x170 [ 2316.870877][ T3767] inet6_addr_add+0x12f/0xa40 [ 2316.870877][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2316.870877][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.870877][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.870877][ T3767] netlink_unicast+0x449/0x710 [ 2316.870877][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.870877][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.870877][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.870877][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.870877][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.870877][ T3767] [ 2316.873015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2316.873015][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2316.873015][ T3767] ipv6_find_idev+0x102/0x170 [ 2316.873015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2316.873015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.873015][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.873015][ T3767] netlink_unicast+0x449/0x710 [ 2316.873015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.873015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.873015][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.873015][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.873015][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.873015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2316.873015][ T3767] [ 2316.874692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2316.874692][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2316.874692][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2316.874692][ T3767] ipv6_find_idev+0x102/0x170 [ 2316.874692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2316.874692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2316.874692][ T3767] netlink_rcv_skb+0x130/0x360 [ 2316.874692][ T3767] netlink_unicast+0x449/0x710 [ 2316.874692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2316.874692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2316.874692][ T3767] ___sys_sendmsg+0xee/0x170 [ 2316.874692][ T3767] __sys_sendmsg+0xcd/0x170 [ 2316.874692][ T3767] do_syscall_64+0xc6/0x1e0 [ 2316.874692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2316.874692][ T3767] [ 2327.111949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2327.112366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2327.112366][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2327.112366][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2327.112366][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2327.112366][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2327.112366][ T3767] ip6_route_add+0x1c/0x140 [ 2327.112366][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2327.112366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.112366][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.112366][ T3767] netlink_unicast+0x449/0x710 [ 2327.112366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.112366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.112366][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.112366][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.112366][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.112366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.112366][ T3767] [ 2327.114429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2327.114429][ T3767] netdev_get_by_index+0x5e/0x80 [ 2327.114429][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2327.114429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2327.114429][ T3767] ip6_route_add+0x1c/0x140 [ 2327.114429][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2327.114429][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2327.114429][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.114429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.114429][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.114429][ T3767] netlink_unicast+0x449/0x710 [ 2327.114429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.114429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.114429][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.114429][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.114429][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.114429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.114429][ T3767] [ 2327.116618][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2327.116618][ T3767] netdev_get_by_index+0x5e/0x80 [ 2327.116618][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2327.116618][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2327.116618][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2327.116618][ T3767] ipv6_add_addr+0x411/0x2000 [ 2327.116618][ T3767] inet6_addr_add+0x30e/0xa40 [ 2327.116618][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.116618][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.116618][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.116618][ T3767] netlink_unicast+0x449/0x710 [ 2327.116618][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.116618][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.116618][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.116618][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.116618][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.116618][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.116618][ T3767] [ 2327.118799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2327.118799][ T3767] netdev_get_by_index+0x5e/0x80 [ 2327.118799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2327.118799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2327.118799][ T3767] ip6_route_add+0x1c/0x140 [ 2327.118799][ T3767] addrconf_add_mroute+0x129/0x180 [ 2327.118799][ T3767] addrconf_add_dev+0xe2/0x170 [ 2327.118799][ T3767] inet6_addr_add+0x12f/0xa40 [ 2327.118799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2327.118799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.118799][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.118799][ T3767] netlink_unicast+0x449/0x710 [ 2327.118799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.118799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.118799][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.118799][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.118799][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.118799][ T3767] [ 2327.120954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2327.120954][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2327.120954][ T3767] ipv6_find_idev+0x102/0x170 [ 2327.120954][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.120954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.120954][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.120954][ T3767] netlink_unicast+0x449/0x710 [ 2327.120954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.120954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.120954][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.120954][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.120954][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.120954][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.120954][ T3767] [ 2327.122630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2327.122630][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2327.122630][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2327.122630][ T3767] ipv6_find_idev+0x102/0x170 [ 2327.122630][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2327.122630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2327.122630][ T3767] netlink_rcv_skb+0x130/0x360 [ 2327.122630][ T3767] netlink_unicast+0x449/0x710 [ 2327.122630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2327.122630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2327.122630][ T3767] ___sys_sendmsg+0xee/0x170 [ 2327.122630][ T3767] __sys_sendmsg+0xcd/0x170 [ 2327.122630][ T3767] do_syscall_64+0xc6/0x1e0 [ 2327.122630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2327.122630][ T3767] [ 2337.359956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2337.360386][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2337.360386][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2337.360386][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2337.360386][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2337.360386][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2337.360386][ T3767] ip6_route_add+0x1c/0x140 [ 2337.360386][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2337.360386][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.360386][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.360386][ T3767] netlink_unicast+0x449/0x710 [ 2337.360386][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.360386][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.360386][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.360386][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.360386][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.360386][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.360386][ T3767] [ 2337.362608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2337.362608][ T3767] netdev_get_by_index+0x5e/0x80 [ 2337.362608][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2337.362608][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2337.362608][ T3767] ip6_route_add+0x1c/0x140 [ 2337.362608][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2337.362608][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2337.362608][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.362608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.362608][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.362608][ T3767] netlink_unicast+0x449/0x710 [ 2337.362608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.362608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.362608][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.362608][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.362608][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.362608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.362608][ T3767] [ 2337.364829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2337.364829][ T3767] netdev_get_by_index+0x5e/0x80 [ 2337.364829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2337.364829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2337.364829][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2337.364829][ T3767] ipv6_add_addr+0x411/0x2000 [ 2337.364829][ T3767] inet6_addr_add+0x30e/0xa40 [ 2337.364829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.364829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.364829][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.364829][ T3767] netlink_unicast+0x449/0x710 [ 2337.364829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.364829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.364829][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.364829][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.364829][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.364829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.364829][ T3767] [ 2337.367048][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2337.367048][ T3767] netdev_get_by_index+0x5e/0x80 [ 2337.367048][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2337.367048][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2337.367048][ T3767] ip6_route_add+0x1c/0x140 [ 2337.367048][ T3767] addrconf_add_mroute+0x129/0x180 [ 2337.367048][ T3767] addrconf_add_dev+0xe2/0x170 [ 2337.367048][ T3767] inet6_addr_add+0x12f/0xa40 [ 2337.367048][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2337.367048][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.367048][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.367048][ T3767] netlink_unicast+0x449/0x710 [ 2337.367048][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.367048][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.367048][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.367048][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.367048][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.367048][ T3767] [ 2337.369235][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2337.369235][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2337.369235][ T3767] ipv6_find_idev+0x102/0x170 [ 2337.369235][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.369235][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.369235][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.369235][ T3767] netlink_unicast+0x449/0x710 [ 2337.369235][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.369235][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.369235][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.369235][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.369235][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.369235][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.369235][ T3767] [ 2337.370935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2337.370935][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2337.370935][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2337.370935][ T3767] ipv6_find_idev+0x102/0x170 [ 2337.370935][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2337.370935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2337.370935][ T3767] netlink_rcv_skb+0x130/0x360 [ 2337.370935][ T3767] netlink_unicast+0x449/0x710 [ 2337.370935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2337.370935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2337.370935][ T3767] ___sys_sendmsg+0xee/0x170 [ 2337.370935][ T3767] __sys_sendmsg+0xcd/0x170 [ 2337.370935][ T3767] do_syscall_64+0xc6/0x1e0 [ 2337.370935][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2337.370935][ T3767] [ 2347.607907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2347.608333][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2347.608333][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2347.608333][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2347.608333][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2347.608333][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2347.608333][ T3767] ip6_route_add+0x1c/0x140 [ 2347.608333][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2347.608333][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.608333][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.608333][ T3767] netlink_unicast+0x449/0x710 [ 2347.608333][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.608333][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.608333][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.608333][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.608333][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.608333][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.608333][ T3767] [ 2347.610413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2347.610413][ T3767] netdev_get_by_index+0x5e/0x80 [ 2347.610413][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2347.610413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2347.610413][ T3767] ip6_route_add+0x1c/0x140 [ 2347.610413][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2347.610413][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2347.610413][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2347.610413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.610413][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.610413][ T3767] netlink_unicast+0x449/0x710 [ 2347.610413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.610413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.610413][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.610413][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.610413][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.610413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.610413][ T3767] [ 2347.612610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2347.612610][ T3767] netdev_get_by_index+0x5e/0x80 [ 2347.612610][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2347.612610][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2347.612610][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2347.612610][ T3767] ipv6_add_addr+0x411/0x2000 [ 2347.612610][ T3767] inet6_addr_add+0x30e/0xa40 [ 2347.612610][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2347.612610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.612610][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.612610][ T3767] netlink_unicast+0x449/0x710 [ 2347.612610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.612610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.612610][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.612610][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.612610][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.612610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.612610][ T3767] [ 2347.614811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2347.614811][ T3767] netdev_get_by_index+0x5e/0x80 [ 2347.614811][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2347.614811][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2347.614811][ T3767] ip6_route_add+0x1c/0x140 [ 2347.614811][ T3767] addrconf_add_mroute+0x129/0x180 [ 2347.614811][ T3767] addrconf_add_dev+0xe2/0x170 [ 2347.614811][ T3767] inet6_addr_add+0x12f/0xa40 [ 2347.614811][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2347.614811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.614811][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.614811][ T3767] netlink_unicast+0x449/0x710 [ 2347.614811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.614811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.614811][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.614811][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.614811][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.614811][ T3767] [ 2347.616995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2347.616995][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2347.616995][ T3767] ipv6_find_idev+0x102/0x170 [ 2347.616995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2347.616995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.616995][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.616995][ T3767] netlink_unicast+0x449/0x710 [ 2347.616995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.616995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.616995][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.616995][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.616995][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.616995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.616995][ T3767] [ 2347.618682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2347.618682][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2347.618682][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2347.618682][ T3767] ipv6_find_idev+0x102/0x170 [ 2347.618682][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2347.618682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2347.618682][ T3767] netlink_rcv_skb+0x130/0x360 [ 2347.618682][ T3767] netlink_unicast+0x449/0x710 [ 2347.618682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2347.618682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2347.618682][ T3767] ___sys_sendmsg+0xee/0x170 [ 2347.618682][ T3767] __sys_sendmsg+0xcd/0x170 [ 2347.618682][ T3767] do_syscall_64+0xc6/0x1e0 [ 2347.618682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2347.618682][ T3767] [ 2357.855946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2357.856365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2357.856365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2357.856365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2357.856365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2357.856365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2357.856365][ T3767] ip6_route_add+0x1c/0x140 [ 2357.856365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2357.856365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.856365][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.856365][ T3767] netlink_unicast+0x449/0x710 [ 2357.856365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.856365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.856365][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.856365][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.856365][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.856365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2357.856365][ T3767] [ 2357.858439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2357.858439][ T3767] netdev_get_by_index+0x5e/0x80 [ 2357.858439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2357.858439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2357.858439][ T3767] ip6_route_add+0x1c/0x140 [ 2357.858439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2357.858439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2357.858439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2357.858439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.858439][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.858439][ T3767] netlink_unicast+0x449/0x710 [ 2357.858439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.858439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.858439][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.858439][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.858439][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.858439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2357.858439][ T3767] [ 2357.860628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2357.860628][ T3767] netdev_get_by_index+0x5e/0x80 [ 2357.860628][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2357.860628][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2357.860628][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2357.860628][ T3767] ipv6_add_addr+0x411/0x2000 [ 2357.860628][ T3767] inet6_addr_add+0x30e/0xa40 [ 2357.860628][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2357.860628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.860628][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.860628][ T3767] netlink_unicast+0x449/0x710 [ 2357.860628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.860628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.860628][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.860628][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.860628][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.860628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2357.860628][ T3767] [ 2357.862823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2357.862823][ T3767] netdev_get_by_index+0x5e/0x80 [ 2357.862823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2357.862823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2357.862823][ T3767] ip6_route_add+0x1c/0x140 [ 2357.862823][ T3767] addrconf_add_mroute+0x129/0x180 [ 2357.862823][ T3767] addrconf_add_dev+0xe2/0x170 [ 2357.862823][ T3767] inet6_addr_add+0x12f/0xa40 [ 2357.862823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2357.862823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.862823][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.862823][ T3767] netlink_unicast+0x449/0x710 [ 2357.862823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.862823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.862823][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.862823][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.862823][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.862823][ T3767] [ 2357.864977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2357.864977][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2357.864977][ T3767] ipv6_find_idev+0x102/0x170 [ 2357.864977][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2357.864977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.864977][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.864977][ T3767] netlink_unicast+0x449/0x710 [ 2357.864977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.864977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.864977][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.864977][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.864977][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.864977][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2357.864977][ T3767] [ 2357.866666][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2357.866666][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2357.866666][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2357.866666][ T3767] ipv6_find_idev+0x102/0x170 [ 2357.866666][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2357.866666][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2357.866666][ T3767] netlink_rcv_skb+0x130/0x360 [ 2357.866666][ T3767] netlink_unicast+0x449/0x710 [ 2357.866666][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2357.866666][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2357.866666][ T3767] ___sys_sendmsg+0xee/0x170 [ 2357.866666][ T3767] __sys_sendmsg+0xcd/0x170 [ 2357.866666][ T3767] do_syscall_64+0xc6/0x1e0 [ 2357.866666][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2357.866666][ T3767] [ 2368.103951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2368.104422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2368.104422][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2368.104422][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2368.104422][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2368.104422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2368.104422][ T3767] ip6_route_add+0x1c/0x140 [ 2368.104422][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2368.104422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.104422][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.104422][ T3767] netlink_unicast+0x449/0x710 [ 2368.104422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.104422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.104422][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.104422][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.104422][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.104422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.104422][ T3767] [ 2368.106702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2368.106702][ T3767] netdev_get_by_index+0x5e/0x80 [ 2368.106702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2368.106702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2368.106702][ T3767] ip6_route_add+0x1c/0x140 [ 2368.106702][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2368.106702][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2368.106702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.106702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.106702][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.106702][ T3767] netlink_unicast+0x449/0x710 [ 2368.106702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.106702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.106702][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.106702][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.106702][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.106702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.106702][ T3767] [ 2368.109097][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2368.109097][ T3767] netdev_get_by_index+0x5e/0x80 [ 2368.109097][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2368.109097][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2368.109097][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2368.109097][ T3767] ipv6_add_addr+0x411/0x2000 [ 2368.109097][ T3767] inet6_addr_add+0x30e/0xa40 [ 2368.109097][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.109097][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.109097][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.109097][ T3767] netlink_unicast+0x449/0x710 [ 2368.109097][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.109097][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.109097][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.109097][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.109097][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.109097][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.109097][ T3767] [ 2368.111493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2368.111493][ T3767] netdev_get_by_index+0x5e/0x80 [ 2368.111493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2368.111493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2368.111493][ T3767] ip6_route_add+0x1c/0x140 [ 2368.111493][ T3767] addrconf_add_mroute+0x129/0x180 [ 2368.111493][ T3767] addrconf_add_dev+0xe2/0x170 [ 2368.111493][ T3767] inet6_addr_add+0x12f/0xa40 [ 2368.111493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2368.111493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.111493][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.111493][ T3767] netlink_unicast+0x449/0x710 [ 2368.111493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.111493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.111493][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.111493][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.111493][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.111493][ T3767] [ 2368.113849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2368.113849][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2368.113849][ T3767] ipv6_find_idev+0x102/0x170 [ 2368.113849][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.113849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.113849][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.113849][ T3767] netlink_unicast+0x449/0x710 [ 2368.113849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.113849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.113849][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.113849][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.113849][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.113849][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.113849][ T3767] [ 2368.115707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2368.115707][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2368.115707][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2368.115707][ T3767] ipv6_find_idev+0x102/0x170 [ 2368.115707][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2368.115707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2368.115707][ T3767] netlink_rcv_skb+0x130/0x360 [ 2368.115707][ T3767] netlink_unicast+0x449/0x710 [ 2368.115707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2368.115707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2368.115707][ T3767] ___sys_sendmsg+0xee/0x170 [ 2368.115707][ T3767] __sys_sendmsg+0xcd/0x170 [ 2368.115707][ T3767] do_syscall_64+0xc6/0x1e0 [ 2368.115707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2368.115707][ T3767] [ 2378.247911][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2378.248355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2378.248355][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2378.248355][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2378.248355][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2378.248355][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2378.248355][ T3767] ip6_route_add+0x1c/0x140 [ 2378.248355][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2378.248355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.248355][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.248355][ T3767] netlink_unicast+0x449/0x710 [ 2378.248355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.248355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.248355][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.248355][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.248355][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.248355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.248355][ T3767] [ 2378.250548][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2378.250548][ T3767] netdev_get_by_index+0x5e/0x80 [ 2378.250548][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2378.250548][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2378.250548][ T3767] ip6_route_add+0x1c/0x140 [ 2378.250548][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2378.250548][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2378.250548][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.250548][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.250548][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.250548][ T3767] netlink_unicast+0x449/0x710 [ 2378.250548][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.250548][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.250548][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.250548][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.250548][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.250548][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.250548][ T3767] [ 2378.252752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2378.252752][ T3767] netdev_get_by_index+0x5e/0x80 [ 2378.252752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2378.252752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2378.252752][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2378.252752][ T3767] ipv6_add_addr+0x411/0x2000 [ 2378.252752][ T3767] inet6_addr_add+0x30e/0xa40 [ 2378.252752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.252752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.252752][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.252752][ T3767] netlink_unicast+0x449/0x710 [ 2378.252752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.252752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.252752][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.252752][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.252752][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.252752][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.252752][ T3767] [ 2378.254923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2378.254923][ T3767] netdev_get_by_index+0x5e/0x80 [ 2378.254923][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2378.254923][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2378.254923][ T3767] ip6_route_add+0x1c/0x140 [ 2378.254923][ T3767] addrconf_add_mroute+0x129/0x180 [ 2378.254923][ T3767] addrconf_add_dev+0xe2/0x170 [ 2378.254923][ T3767] inet6_addr_add+0x12f/0xa40 [ 2378.254923][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2378.254923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.254923][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.254923][ T3767] netlink_unicast+0x449/0x710 [ 2378.254923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.254923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.254923][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.254923][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.254923][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.254923][ T3767] [ 2378.257097][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2378.257097][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2378.257097][ T3767] ipv6_find_idev+0x102/0x170 [ 2378.257097][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.257097][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.257097][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.257097][ T3767] netlink_unicast+0x449/0x710 [ 2378.257097][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.257097][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.257097][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.257097][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.257097][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.257097][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.257097][ T3767] [ 2378.258774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2378.258774][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2378.258774][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2378.258774][ T3767] ipv6_find_idev+0x102/0x170 [ 2378.258774][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2378.258774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2378.258774][ T3767] netlink_rcv_skb+0x130/0x360 [ 2378.258774][ T3767] netlink_unicast+0x449/0x710 [ 2378.258774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2378.258774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2378.258774][ T3767] ___sys_sendmsg+0xee/0x170 [ 2378.258774][ T3767] __sys_sendmsg+0xcd/0x170 [ 2378.258774][ T3767] do_syscall_64+0xc6/0x1e0 [ 2378.258774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2378.258774][ T3767] [ 2388.495939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2388.496344][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2388.496344][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2388.496344][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2388.496344][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2388.496344][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2388.496344][ T3767] ip6_route_add+0x1c/0x140 [ 2388.496344][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2388.496344][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.496344][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.496344][ T3767] netlink_unicast+0x449/0x710 [ 2388.496344][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.496344][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.496344][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.496344][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.496344][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.496344][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.496344][ T3767] [ 2388.498419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2388.498419][ T3767] netdev_get_by_index+0x5e/0x80 [ 2388.498419][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2388.498419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2388.498419][ T3767] ip6_route_add+0x1c/0x140 [ 2388.498419][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2388.498419][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2388.498419][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.498419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.498419][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.498419][ T3767] netlink_unicast+0x449/0x710 [ 2388.498419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.498419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.498419][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.498419][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.498419][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.498419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.498419][ T3767] [ 2388.500607][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2388.500607][ T3767] netdev_get_by_index+0x5e/0x80 [ 2388.500607][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2388.500607][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2388.500607][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2388.500607][ T3767] ipv6_add_addr+0x411/0x2000 [ 2388.500607][ T3767] inet6_addr_add+0x30e/0xa40 [ 2388.500607][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.500607][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.500607][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.500607][ T3767] netlink_unicast+0x449/0x710 [ 2388.500607][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.500607][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.500607][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.500607][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.500607][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.500607][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.500607][ T3767] [ 2388.502815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2388.502815][ T3767] netdev_get_by_index+0x5e/0x80 [ 2388.502815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2388.502815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2388.502815][ T3767] ip6_route_add+0x1c/0x140 [ 2388.502815][ T3767] addrconf_add_mroute+0x129/0x180 [ 2388.502815][ T3767] addrconf_add_dev+0xe2/0x170 [ 2388.502815][ T3767] inet6_addr_add+0x12f/0xa40 [ 2388.502815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2388.502815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.502815][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.502815][ T3767] netlink_unicast+0x449/0x710 [ 2388.502815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.502815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.502815][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.502815][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.502815][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.502815][ T3767] [ 2388.504971][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2388.504971][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2388.504971][ T3767] ipv6_find_idev+0x102/0x170 [ 2388.504971][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.504971][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.504971][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.504971][ T3767] netlink_unicast+0x449/0x710 [ 2388.504971][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.504971][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.504971][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.504971][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.504971][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.504971][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.504971][ T3767] [ 2388.506659][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2388.506659][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2388.506659][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2388.506659][ T3767] ipv6_find_idev+0x102/0x170 [ 2388.506659][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2388.506659][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2388.506659][ T3767] netlink_rcv_skb+0x130/0x360 [ 2388.506659][ T3767] netlink_unicast+0x449/0x710 [ 2388.506659][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2388.506659][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2388.506659][ T3767] ___sys_sendmsg+0xee/0x170 [ 2388.506659][ T3767] __sys_sendmsg+0xcd/0x170 [ 2388.506659][ T3767] do_syscall_64+0xc6/0x1e0 [ 2388.506659][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2388.506659][ T3767] [ 2398.744067][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2398.744547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2398.744547][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2398.744547][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2398.744547][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2398.744547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2398.744547][ T3767] ip6_route_add+0x1c/0x140 [ 2398.744547][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2398.744547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.744547][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.744547][ T3767] netlink_unicast+0x449/0x710 [ 2398.744547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.744547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.744547][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.744547][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.744547][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.744547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.744547][ T3767] [ 2398.746641][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2398.746641][ T3767] netdev_get_by_index+0x5e/0x80 [ 2398.746641][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2398.746641][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2398.746641][ T3767] ip6_route_add+0x1c/0x140 [ 2398.746641][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2398.746641][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2398.746641][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2398.746641][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.746641][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.746641][ T3767] netlink_unicast+0x449/0x710 [ 2398.746641][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.746641][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.746641][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.746641][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.746641][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.746641][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.746641][ T3767] [ 2398.748831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2398.748831][ T3767] netdev_get_by_index+0x5e/0x80 [ 2398.748831][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2398.748831][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2398.748831][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2398.748831][ T3767] ipv6_add_addr+0x411/0x2000 [ 2398.748831][ T3767] inet6_addr_add+0x30e/0xa40 [ 2398.748831][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2398.748831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.748831][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.748831][ T3767] netlink_unicast+0x449/0x710 [ 2398.748831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.748831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.748831][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.748831][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.748831][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.748831][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.748831][ T3767] [ 2398.751022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2398.751022][ T3767] netdev_get_by_index+0x5e/0x80 [ 2398.751022][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2398.751022][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2398.751022][ T3767] ip6_route_add+0x1c/0x140 [ 2398.751022][ T3767] addrconf_add_mroute+0x129/0x180 [ 2398.751022][ T3767] addrconf_add_dev+0xe2/0x170 [ 2398.751022][ T3767] inet6_addr_add+0x12f/0xa40 [ 2398.751022][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2398.751022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.751022][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.751022][ T3767] netlink_unicast+0x449/0x710 [ 2398.751022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.751022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.751022][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.751022][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.751022][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.751022][ T3767] [ 2398.753194][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2398.753194][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2398.753194][ T3767] ipv6_find_idev+0x102/0x170 [ 2398.753194][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2398.753194][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.753194][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.753194][ T3767] netlink_unicast+0x449/0x710 [ 2398.753194][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.753194][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.753194][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.753194][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.753194][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.753194][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.753194][ T3767] [ 2398.754896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2398.754896][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2398.754896][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2398.754896][ T3767] ipv6_find_idev+0x102/0x170 [ 2398.754896][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2398.754896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2398.754896][ T3767] netlink_rcv_skb+0x130/0x360 [ 2398.754896][ T3767] netlink_unicast+0x449/0x710 [ 2398.754896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2398.754896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2398.754896][ T3767] ___sys_sendmsg+0xee/0x170 [ 2398.754896][ T3767] __sys_sendmsg+0xcd/0x170 [ 2398.754896][ T3767] do_syscall_64+0xc6/0x1e0 [ 2398.754896][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2398.754896][ T3767] [ 2408.991951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2408.992364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2408.992364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2408.992364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2408.992364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2408.992364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2408.992364][ T3767] ip6_route_add+0x1c/0x140 [ 2408.992364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2408.992364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.992364][ T3767] netlink_rcv_skb+0x130/0x360 [ 2408.992364][ T3767] netlink_unicast+0x449/0x710 [ 2408.992364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2408.992364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2408.992364][ T3767] ___sys_sendmsg+0xee/0x170 [ 2408.992364][ T3767] __sys_sendmsg+0xcd/0x170 [ 2408.992364][ T3767] do_syscall_64+0xc6/0x1e0 [ 2408.992364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.992364][ T3767] [ 2408.994454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2408.994454][ T3767] netdev_get_by_index+0x5e/0x80 [ 2408.994454][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2408.994454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2408.994454][ T3767] ip6_route_add+0x1c/0x140 [ 2408.994454][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2408.994454][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2408.994454][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2408.994454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.994454][ T3767] netlink_rcv_skb+0x130/0x360 [ 2408.994454][ T3767] netlink_unicast+0x449/0x710 [ 2408.994454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2408.994454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2408.994454][ T3767] ___sys_sendmsg+0xee/0x170 [ 2408.994454][ T3767] __sys_sendmsg+0xcd/0x170 [ 2408.994454][ T3767] do_syscall_64+0xc6/0x1e0 [ 2408.994454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.994454][ T3767] [ 2408.996662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2408.996662][ T3767] netdev_get_by_index+0x5e/0x80 [ 2408.996662][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2408.996662][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2408.996662][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2408.996662][ T3767] ipv6_add_addr+0x411/0x2000 [ 2408.996662][ T3767] inet6_addr_add+0x30e/0xa40 [ 2408.996662][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2408.996662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.996662][ T3767] netlink_rcv_skb+0x130/0x360 [ 2408.996662][ T3767] netlink_unicast+0x449/0x710 [ 2408.996662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2408.996662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2408.996662][ T3767] ___sys_sendmsg+0xee/0x170 [ 2408.996662][ T3767] __sys_sendmsg+0xcd/0x170 [ 2408.996662][ T3767] do_syscall_64+0xc6/0x1e0 [ 2408.996662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2408.996662][ T3767] [ 2408.998868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2408.998868][ T3767] netdev_get_by_index+0x5e/0x80 [ 2408.998868][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2408.998868][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2408.998868][ T3767] ip6_route_add+0x1c/0x140 [ 2408.998868][ T3767] addrconf_add_mroute+0x129/0x180 [ 2408.998868][ T3767] addrconf_add_dev+0xe2/0x170 [ 2408.998868][ T3767] inet6_addr_add+0x12f/0xa40 [ 2408.998868][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2408.998868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2408.998868][ T3767] netlink_rcv_skb+0x130/0x360 [ 2408.998868][ T3767] netlink_unicast+0x449/0x710 [ 2408.998868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2408.998868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2408.998868][ T3767] ___sys_sendmsg+0xee/0x170 [ 2408.998868][ T3767] __sys_sendmsg+0xcd/0x170 [ 2408.998868][ T3767] do_syscall_64+0xc6/0x1e0 [ 2408.998868][ T3767] [ 2409.001056][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2409.001056][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2409.001056][ T3767] ipv6_find_idev+0x102/0x170 [ 2409.001056][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2409.001056][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.001056][ T3767] netlink_rcv_skb+0x130/0x360 [ 2409.001056][ T3767] netlink_unicast+0x449/0x710 [ 2409.001056][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2409.001056][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2409.001056][ T3767] ___sys_sendmsg+0xee/0x170 [ 2409.001056][ T3767] __sys_sendmsg+0xcd/0x170 [ 2409.001056][ T3767] do_syscall_64+0xc6/0x1e0 [ 2409.001056][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.001056][ T3767] [ 2409.002765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2409.002765][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2409.002765][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2409.002765][ T3767] ipv6_find_idev+0x102/0x170 [ 2409.002765][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2409.002765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.002765][ T3767] netlink_rcv_skb+0x130/0x360 [ 2409.002765][ T3767] netlink_unicast+0x449/0x710 [ 2409.002765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2409.002765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2409.002765][ T3767] ___sys_sendmsg+0xee/0x170 [ 2409.002765][ T3767] __sys_sendmsg+0xcd/0x170 [ 2409.002765][ T3767] do_syscall_64+0xc6/0x1e0 [ 2409.002765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.002765][ T3767] [ 2419.239869][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2419.240352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2419.240352][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2419.240352][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2419.240352][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2419.240352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2419.240352][ T3767] ip6_route_add+0x1c/0x140 [ 2419.240352][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2419.240352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.240352][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.240352][ T3767] netlink_unicast+0x449/0x710 [ 2419.240352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.240352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.240352][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.240352][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.240352][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.240352][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.240352][ T3767] [ 2419.242514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2419.242514][ T3767] netdev_get_by_index+0x5e/0x80 [ 2419.242514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2419.242514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2419.242514][ T3767] ip6_route_add+0x1c/0x140 [ 2419.242514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2419.242514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2419.242514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.242514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.242514][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.242514][ T3767] netlink_unicast+0x449/0x710 [ 2419.242514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.242514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.242514][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.242514][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.242514][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.242514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.242514][ T3767] [ 2419.244758][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2419.244758][ T3767] netdev_get_by_index+0x5e/0x80 [ 2419.244758][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2419.244758][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2419.244758][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2419.244758][ T3767] ipv6_add_addr+0x411/0x2000 [ 2419.244758][ T3767] inet6_addr_add+0x30e/0xa40 [ 2419.244758][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.244758][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.244758][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.244758][ T3767] netlink_unicast+0x449/0x710 [ 2419.244758][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.244758][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.244758][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.244758][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.244758][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.244758][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.244758][ T3767] [ 2419.247004][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2419.247004][ T3767] netdev_get_by_index+0x5e/0x80 [ 2419.247004][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2419.247004][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2419.247004][ T3767] ip6_route_add+0x1c/0x140 [ 2419.247004][ T3767] addrconf_add_mroute+0x129/0x180 [ 2419.247004][ T3767] addrconf_add_dev+0xe2/0x170 [ 2419.247004][ T3767] inet6_addr_add+0x12f/0xa40 [ 2419.247004][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2419.247004][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.247004][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.247004][ T3767] netlink_unicast+0x449/0x710 [ 2419.247004][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.247004][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.247004][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.247004][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.247004][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.247004][ T3767] [ 2419.249198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2419.249198][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2419.249198][ T3767] ipv6_find_idev+0x102/0x170 [ 2419.249198][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.249198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.249198][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.249198][ T3767] netlink_unicast+0x449/0x710 [ 2419.249198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.249198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.249198][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.249198][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.249198][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.249198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.249198][ T3767] [ 2419.250901][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2419.250901][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2419.250901][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2419.250901][ T3767] ipv6_find_idev+0x102/0x170 [ 2419.250901][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2419.250901][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2419.250901][ T3767] netlink_rcv_skb+0x130/0x360 [ 2419.250901][ T3767] netlink_unicast+0x449/0x710 [ 2419.250901][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2419.250901][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2419.250901][ T3767] ___sys_sendmsg+0xee/0x170 [ 2419.250901][ T3767] __sys_sendmsg+0xcd/0x170 [ 2419.250901][ T3767] do_syscall_64+0xc6/0x1e0 [ 2419.250901][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2419.250901][ T3767] [ 2429.488032][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2429.488540][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2429.488540][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2429.488540][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2429.488540][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2429.488540][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2429.488540][ T3767] ip6_route_add+0x1c/0x140 [ 2429.488540][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2429.488540][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.488540][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.488540][ T3767] netlink_unicast+0x449/0x710 [ 2429.488540][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.488540][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.488540][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.488540][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.488540][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.488540][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.488540][ T3767] [ 2429.491937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2429.491937][ T3767] netdev_get_by_index+0x5e/0x80 [ 2429.491937][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2429.491937][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2429.491937][ T3767] ip6_route_add+0x1c/0x140 [ 2429.491937][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2429.491937][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2429.491937][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.491937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.491937][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.491937][ T3767] netlink_unicast+0x449/0x710 [ 2429.491937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.491937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.491937][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.491937][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.491937][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.491937][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.491937][ T3767] [ 2429.495574][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2429.495574][ T3767] netdev_get_by_index+0x5e/0x80 [ 2429.495574][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2429.495574][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2429.495574][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2429.495574][ T3767] ipv6_add_addr+0x411/0x2000 [ 2429.495574][ T3767] inet6_addr_add+0x30e/0xa40 [ 2429.495574][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.495574][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.495574][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.495574][ T3767] netlink_unicast+0x449/0x710 [ 2429.495574][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.495574][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.495574][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.495574][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.495574][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.495574][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.495574][ T3767] [ 2429.499277][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2429.499277][ T3767] netdev_get_by_index+0x5e/0x80 [ 2429.499277][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2429.499277][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2429.499277][ T3767] ip6_route_add+0x1c/0x140 [ 2429.499277][ T3767] addrconf_add_mroute+0x129/0x180 [ 2429.499277][ T3767] addrconf_add_dev+0xe2/0x170 [ 2429.499277][ T3767] inet6_addr_add+0x12f/0xa40 [ 2429.499277][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2429.499277][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.499277][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.499277][ T3767] netlink_unicast+0x449/0x710 [ 2429.499277][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.499277][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.499277][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.499277][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.499277][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.499277][ T3767] [ 2429.502843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2429.502843][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2429.502843][ T3767] ipv6_find_idev+0x102/0x170 [ 2429.502843][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.502843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.502843][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.502843][ T3767] netlink_unicast+0x449/0x710 [ 2429.502843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.502843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.502843][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.502843][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.502843][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.502843][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.502843][ T3767] [ 2429.505640][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2429.505640][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2429.505640][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2429.505640][ T3767] ipv6_find_idev+0x102/0x170 [ 2429.505640][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2429.505640][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2429.505640][ T3767] netlink_rcv_skb+0x130/0x360 [ 2429.505640][ T3767] netlink_unicast+0x449/0x710 [ 2429.505640][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2429.505640][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2429.505640][ T3767] ___sys_sendmsg+0xee/0x170 [ 2429.505640][ T3767] __sys_sendmsg+0xcd/0x170 [ 2429.505640][ T3767] do_syscall_64+0xc6/0x1e0 [ 2429.505640][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2429.505640][ T3767] [ 2439.743892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2439.744296][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2439.744296][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2439.744296][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2439.744296][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2439.744296][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2439.744296][ T3767] ip6_route_add+0x1c/0x140 [ 2439.744296][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2439.744296][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.744296][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.744296][ T3767] netlink_unicast+0x449/0x710 [ 2439.744296][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.744296][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.744296][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.744296][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.744296][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.744296][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.744296][ T3767] [ 2439.746385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2439.746385][ T3767] netdev_get_by_index+0x5e/0x80 [ 2439.746385][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2439.746385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2439.746385][ T3767] ip6_route_add+0x1c/0x140 [ 2439.746385][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2439.746385][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2439.746385][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.746385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.746385][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.746385][ T3767] netlink_unicast+0x449/0x710 [ 2439.746385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.746385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.746385][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.746385][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.746385][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.746385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.746385][ T3767] [ 2439.748572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2439.748572][ T3767] netdev_get_by_index+0x5e/0x80 [ 2439.748572][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2439.748572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2439.748572][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2439.748572][ T3767] ipv6_add_addr+0x411/0x2000 [ 2439.748572][ T3767] inet6_addr_add+0x30e/0xa40 [ 2439.748572][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.748572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.748572][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.748572][ T3767] netlink_unicast+0x449/0x710 [ 2439.748572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.748572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.748572][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.748572][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.748572][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.748572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.748572][ T3767] [ 2439.750751][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2439.750751][ T3767] netdev_get_by_index+0x5e/0x80 [ 2439.750751][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2439.750751][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2439.750751][ T3767] ip6_route_add+0x1c/0x140 [ 2439.750751][ T3767] addrconf_add_mroute+0x129/0x180 [ 2439.750751][ T3767] addrconf_add_dev+0xe2/0x170 [ 2439.750751][ T3767] inet6_addr_add+0x12f/0xa40 [ 2439.750751][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2439.750751][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.750751][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.750751][ T3767] netlink_unicast+0x449/0x710 [ 2439.750751][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.750751][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.750751][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.750751][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.750751][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.750751][ T3767] [ 2439.752897][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2439.752897][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2439.752897][ T3767] ipv6_find_idev+0x102/0x170 [ 2439.752897][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.752897][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.752897][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.752897][ T3767] netlink_unicast+0x449/0x710 [ 2439.752897][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.752897][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.752897][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.752897][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.752897][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.752897][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.752897][ T3767] [ 2439.754579][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2439.754579][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2439.754579][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2439.754579][ T3767] ipv6_find_idev+0x102/0x170 [ 2439.754579][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2439.754579][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2439.754579][ T3767] netlink_rcv_skb+0x130/0x360 [ 2439.754579][ T3767] netlink_unicast+0x449/0x710 [ 2439.754579][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2439.754579][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2439.754579][ T3767] ___sys_sendmsg+0xee/0x170 [ 2439.754579][ T3767] __sys_sendmsg+0xcd/0x170 [ 2439.754579][ T3767] do_syscall_64+0xc6/0x1e0 [ 2439.754579][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2439.754579][ T3767] [ 2449.991958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2449.992390][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2449.992390][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2449.992390][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2449.992390][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2449.992390][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2449.992390][ T3767] ip6_route_add+0x1c/0x140 [ 2449.992390][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2449.992390][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.992390][ T3767] netlink_rcv_skb+0x130/0x360 [ 2449.992390][ T3767] netlink_unicast+0x449/0x710 [ 2449.992390][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2449.992390][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2449.992390][ T3767] ___sys_sendmsg+0xee/0x170 [ 2449.992390][ T3767] __sys_sendmsg+0xcd/0x170 [ 2449.992390][ T3767] do_syscall_64+0xc6/0x1e0 [ 2449.992390][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.992390][ T3767] [ 2449.994500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2449.994500][ T3767] netdev_get_by_index+0x5e/0x80 [ 2449.994500][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2449.994500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2449.994500][ T3767] ip6_route_add+0x1c/0x140 [ 2449.994500][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2449.994500][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2449.994500][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.994500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.994500][ T3767] netlink_rcv_skb+0x130/0x360 [ 2449.994500][ T3767] netlink_unicast+0x449/0x710 [ 2449.994500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2449.994500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2449.994500][ T3767] ___sys_sendmsg+0xee/0x170 [ 2449.994500][ T3767] __sys_sendmsg+0xcd/0x170 [ 2449.994500][ T3767] do_syscall_64+0xc6/0x1e0 [ 2449.994500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.994500][ T3767] [ 2449.996818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2449.996818][ T3767] netdev_get_by_index+0x5e/0x80 [ 2449.996818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2449.996818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2449.996818][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2449.996818][ T3767] ipv6_add_addr+0x411/0x2000 [ 2449.996818][ T3767] inet6_addr_add+0x30e/0xa40 [ 2449.996818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.996818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.996818][ T3767] netlink_rcv_skb+0x130/0x360 [ 2449.996818][ T3767] netlink_unicast+0x449/0x710 [ 2449.996818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2449.996818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2449.996818][ T3767] ___sys_sendmsg+0xee/0x170 [ 2449.996818][ T3767] __sys_sendmsg+0xcd/0x170 [ 2449.996818][ T3767] do_syscall_64+0xc6/0x1e0 [ 2449.996818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2449.996818][ T3767] [ 2449.999017][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2449.999017][ T3767] netdev_get_by_index+0x5e/0x80 [ 2449.999017][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2449.999017][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2449.999017][ T3767] ip6_route_add+0x1c/0x140 [ 2449.999017][ T3767] addrconf_add_mroute+0x129/0x180 [ 2449.999017][ T3767] addrconf_add_dev+0xe2/0x170 [ 2449.999017][ T3767] inet6_addr_add+0x12f/0xa40 [ 2449.999017][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2449.999017][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2449.999017][ T3767] netlink_rcv_skb+0x130/0x360 [ 2449.999017][ T3767] netlink_unicast+0x449/0x710 [ 2449.999017][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2449.999017][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2449.999017][ T3767] ___sys_sendmsg+0xee/0x170 [ 2449.999017][ T3767] __sys_sendmsg+0xcd/0x170 [ 2449.999017][ T3767] do_syscall_64+0xc6/0x1e0 [ 2449.999017][ T3767] [ 2450.001589][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2450.001589][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2450.001589][ T3767] ipv6_find_idev+0x102/0x170 [ 2450.001589][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.001589][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.001589][ T3767] netlink_rcv_skb+0x130/0x360 [ 2450.001589][ T3767] netlink_unicast+0x449/0x710 [ 2450.001589][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2450.001589][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2450.001589][ T3767] ___sys_sendmsg+0xee/0x170 [ 2450.001589][ T3767] __sys_sendmsg+0xcd/0x170 [ 2450.001589][ T3767] do_syscall_64+0xc6/0x1e0 [ 2450.001589][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.001589][ T3767] [ 2450.003300][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2450.003300][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2450.003300][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2450.003300][ T3767] ipv6_find_idev+0x102/0x170 [ 2450.003300][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.003300][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.003300][ T3767] netlink_rcv_skb+0x130/0x360 [ 2450.003300][ T3767] netlink_unicast+0x449/0x710 [ 2450.003300][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2450.003300][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2450.003300][ T3767] ___sys_sendmsg+0xee/0x170 [ 2450.003300][ T3767] __sys_sendmsg+0xcd/0x170 [ 2450.003300][ T3767] do_syscall_64+0xc6/0x1e0 [ 2450.003300][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.003300][ T3767] [ 2460.175922][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2460.176351][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2460.176351][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2460.176351][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2460.176351][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2460.176351][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2460.176351][ T3767] ip6_route_add+0x1c/0x140 [ 2460.176351][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2460.176351][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.176351][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.176351][ T3767] netlink_unicast+0x449/0x710 [ 2460.176351][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.176351][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.176351][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.176351][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.176351][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.176351][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2460.176351][ T3767] [ 2460.178455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2460.178455][ T3767] netdev_get_by_index+0x5e/0x80 [ 2460.178455][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2460.178455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2460.178455][ T3767] ip6_route_add+0x1c/0x140 [ 2460.178455][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2460.178455][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2460.178455][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2460.178455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.178455][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.178455][ T3767] netlink_unicast+0x449/0x710 [ 2460.178455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.178455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.178455][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.178455][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.178455][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.178455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2460.178455][ T3767] [ 2460.180675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2460.180675][ T3767] netdev_get_by_index+0x5e/0x80 [ 2460.180675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2460.180675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2460.180675][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2460.180675][ T3767] ipv6_add_addr+0x411/0x2000 [ 2460.180675][ T3767] inet6_addr_add+0x30e/0xa40 [ 2460.180675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2460.180675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.180675][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.180675][ T3767] netlink_unicast+0x449/0x710 [ 2460.180675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.180675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.180675][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.180675][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.180675][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.180675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2460.180675][ T3767] [ 2460.182911][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2460.182911][ T3767] netdev_get_by_index+0x5e/0x80 [ 2460.182911][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2460.182911][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2460.182911][ T3767] ip6_route_add+0x1c/0x140 [ 2460.182911][ T3767] addrconf_add_mroute+0x129/0x180 [ 2460.182911][ T3767] addrconf_add_dev+0xe2/0x170 [ 2460.182911][ T3767] inet6_addr_add+0x12f/0xa40 [ 2460.182911][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2460.182911][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.182911][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.182911][ T3767] netlink_unicast+0x449/0x710 [ 2460.182911][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.182911][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.182911][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.182911][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.182911][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.182911][ T3767] [ 2460.185122][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2460.185122][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2460.185122][ T3767] ipv6_find_idev+0x102/0x170 [ 2460.185122][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2460.185122][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.185122][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.185122][ T3767] netlink_unicast+0x449/0x710 [ 2460.185122][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.185122][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.185122][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.185122][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.185122][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.185122][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2460.185122][ T3767] [ 2460.186825][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2460.186825][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2460.186825][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2460.186825][ T3767] ipv6_find_idev+0x102/0x170 [ 2460.186825][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2460.186825][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2460.186825][ T3767] netlink_rcv_skb+0x130/0x360 [ 2460.186825][ T3767] netlink_unicast+0x449/0x710 [ 2460.186825][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2460.186825][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2460.186825][ T3767] ___sys_sendmsg+0xee/0x170 [ 2460.186825][ T3767] __sys_sendmsg+0xcd/0x170 [ 2460.186825][ T3767] do_syscall_64+0xc6/0x1e0 [ 2460.186825][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2460.186825][ T3767] [ 2470.399893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2470.400424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2470.400424][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2470.400424][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2470.400424][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2470.400424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2470.400424][ T3767] ip6_route_add+0x1c/0x140 [ 2470.400424][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2470.400424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.400424][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.400424][ T3767] netlink_unicast+0x449/0x710 [ 2470.400424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.400424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.400424][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.400424][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.400424][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.400424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.400424][ T3767] [ 2470.403822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2470.403822][ T3767] netdev_get_by_index+0x5e/0x80 [ 2470.403822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2470.403822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2470.403822][ T3767] ip6_route_add+0x1c/0x140 [ 2470.403822][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2470.403822][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2470.403822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.403822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.403822][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.403822][ T3767] netlink_unicast+0x449/0x710 [ 2470.403822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.403822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.403822][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.403822][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.403822][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.403822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.403822][ T3767] [ 2470.407542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2470.407542][ T3767] netdev_get_by_index+0x5e/0x80 [ 2470.407542][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2470.407542][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2470.407542][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2470.407542][ T3767] ipv6_add_addr+0x411/0x2000 [ 2470.407542][ T3767] inet6_addr_add+0x30e/0xa40 [ 2470.407542][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.407542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.407542][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.407542][ T3767] netlink_unicast+0x449/0x710 [ 2470.407542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.407542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.407542][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.407542][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.407542][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.407542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.407542][ T3767] [ 2470.411186][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2470.411186][ T3767] netdev_get_by_index+0x5e/0x80 [ 2470.411186][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2470.411186][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2470.411186][ T3767] ip6_route_add+0x1c/0x140 [ 2470.411186][ T3767] addrconf_add_mroute+0x129/0x180 [ 2470.411186][ T3767] addrconf_add_dev+0xe2/0x170 [ 2470.411186][ T3767] inet6_addr_add+0x12f/0xa40 [ 2470.411186][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2470.411186][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.411186][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.411186][ T3767] netlink_unicast+0x449/0x710 [ 2470.411186][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.411186][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.411186][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.411186][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.411186][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.411186][ T3767] [ 2470.414814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2470.414814][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2470.414814][ T3767] ipv6_find_idev+0x102/0x170 [ 2470.414814][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.414814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.414814][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.414814][ T3767] netlink_unicast+0x449/0x710 [ 2470.414814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.414814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.414814][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.414814][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.414814][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.414814][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.414814][ T3767] [ 2470.417616][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2470.417616][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2470.417616][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2470.417616][ T3767] ipv6_find_idev+0x102/0x170 [ 2470.417616][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2470.417616][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2470.417616][ T3767] netlink_rcv_skb+0x130/0x360 [ 2470.417616][ T3767] netlink_unicast+0x449/0x710 [ 2470.417616][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2470.417616][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2470.417616][ T3767] ___sys_sendmsg+0xee/0x170 [ 2470.417616][ T3767] __sys_sendmsg+0xcd/0x170 [ 2470.417616][ T3767] do_syscall_64+0xc6/0x1e0 [ 2470.417616][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2470.417616][ T3767] [ 2480.663903][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2480.664326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2480.664326][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2480.664326][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2480.664326][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2480.664326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2480.664326][ T3767] ip6_route_add+0x1c/0x140 [ 2480.664326][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2480.664326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.664326][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.664326][ T3767] netlink_unicast+0x449/0x710 [ 2480.664326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.664326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.664326][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.664326][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.664326][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.664326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.664326][ T3767] [ 2480.666853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2480.666853][ T3767] netdev_get_by_index+0x5e/0x80 [ 2480.666853][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2480.666853][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2480.666853][ T3767] ip6_route_add+0x1c/0x140 [ 2480.666853][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2480.666853][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2480.666853][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.666853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.666853][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.666853][ T3767] netlink_unicast+0x449/0x710 [ 2480.666853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.666853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.666853][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.666853][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.666853][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.666853][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.666853][ T3767] [ 2480.669171][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2480.669171][ T3767] netdev_get_by_index+0x5e/0x80 [ 2480.669171][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2480.669171][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2480.669171][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2480.669171][ T3767] ipv6_add_addr+0x411/0x2000 [ 2480.669171][ T3767] inet6_addr_add+0x30e/0xa40 [ 2480.669171][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.669171][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.669171][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.669171][ T3767] netlink_unicast+0x449/0x710 [ 2480.669171][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.669171][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.669171][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.669171][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.669171][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.669171][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.669171][ T3767] [ 2480.671383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2480.671383][ T3767] netdev_get_by_index+0x5e/0x80 [ 2480.671383][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2480.671383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2480.671383][ T3767] ip6_route_add+0x1c/0x140 [ 2480.671383][ T3767] addrconf_add_mroute+0x129/0x180 [ 2480.671383][ T3767] addrconf_add_dev+0xe2/0x170 [ 2480.671383][ T3767] inet6_addr_add+0x12f/0xa40 [ 2480.671383][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2480.671383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.671383][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.671383][ T3767] netlink_unicast+0x449/0x710 [ 2480.671383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.671383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.671383][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.671383][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.671383][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.671383][ T3767] [ 2480.673559][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2480.673559][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2480.673559][ T3767] ipv6_find_idev+0x102/0x170 [ 2480.673559][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.673559][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.673559][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.673559][ T3767] netlink_unicast+0x449/0x710 [ 2480.673559][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.673559][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.673559][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.673559][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.673559][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.673559][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.673559][ T3767] [ 2480.675393][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2480.675393][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2480.675393][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2480.675393][ T3767] ipv6_find_idev+0x102/0x170 [ 2480.675393][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2480.675393][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2480.675393][ T3767] netlink_rcv_skb+0x130/0x360 [ 2480.675393][ T3767] netlink_unicast+0x449/0x710 [ 2480.675393][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2480.675393][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2480.675393][ T3767] ___sys_sendmsg+0xee/0x170 [ 2480.675393][ T3767] __sys_sendmsg+0xcd/0x170 [ 2480.675393][ T3767] do_syscall_64+0xc6/0x1e0 [ 2480.675393][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2480.675393][ T3767] [ 2490.919904][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2490.920434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2490.920434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2490.920434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2490.920434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2490.920434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2490.920434][ T3767] ip6_route_add+0x1c/0x140 [ 2490.920434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2490.920434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.920434][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.920434][ T3767] netlink_unicast+0x449/0x710 [ 2490.920434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.920434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.920434][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.920434][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.920434][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.920434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.920434][ T3767] [ 2490.923838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2490.923838][ T3767] netdev_get_by_index+0x5e/0x80 [ 2490.923838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2490.923838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2490.923838][ T3767] ip6_route_add+0x1c/0x140 [ 2490.923838][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2490.923838][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2490.923838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.923838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.923838][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.923838][ T3767] netlink_unicast+0x449/0x710 [ 2490.923838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.923838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.923838][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.923838][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.923838][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.923838][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.923838][ T3767] [ 2490.927485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2490.927485][ T3767] netdev_get_by_index+0x5e/0x80 [ 2490.927485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2490.927485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2490.927485][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2490.927485][ T3767] ipv6_add_addr+0x411/0x2000 [ 2490.927485][ T3767] inet6_addr_add+0x30e/0xa40 [ 2490.927485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.927485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.927485][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.927485][ T3767] netlink_unicast+0x449/0x710 [ 2490.927485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.927485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.927485][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.927485][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.927485][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.927485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.927485][ T3767] [ 2490.931148][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2490.931148][ T3767] netdev_get_by_index+0x5e/0x80 [ 2490.931148][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2490.931148][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2490.931148][ T3767] ip6_route_add+0x1c/0x140 [ 2490.931148][ T3767] addrconf_add_mroute+0x129/0x180 [ 2490.931148][ T3767] addrconf_add_dev+0xe2/0x170 [ 2490.931148][ T3767] inet6_addr_add+0x12f/0xa40 [ 2490.931148][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2490.931148][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.931148][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.931148][ T3767] netlink_unicast+0x449/0x710 [ 2490.931148][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.931148][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.931148][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.931148][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.931148][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.931148][ T3767] [ 2490.934646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2490.934646][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2490.934646][ T3767] ipv6_find_idev+0x102/0x170 [ 2490.934646][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.934646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.934646][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.934646][ T3767] netlink_unicast+0x449/0x710 [ 2490.934646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.934646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.934646][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.934646][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.934646][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.934646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.934646][ T3767] [ 2490.937396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2490.937396][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2490.937396][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2490.937396][ T3767] ipv6_find_idev+0x102/0x170 [ 2490.937396][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2490.937396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2490.937396][ T3767] netlink_rcv_skb+0x130/0x360 [ 2490.937396][ T3767] netlink_unicast+0x449/0x710 [ 2490.937396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2490.937396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2490.937396][ T3767] ___sys_sendmsg+0xee/0x170 [ 2490.937396][ T3767] __sys_sendmsg+0xcd/0x170 [ 2490.937396][ T3767] do_syscall_64+0xc6/0x1e0 [ 2490.937396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2490.937396][ T3767] [ 2501.191901][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2501.192412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2501.192412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2501.192412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2501.192412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2501.192412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2501.192412][ T3767] ip6_route_add+0x1c/0x140 [ 2501.192412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2501.192412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.192412][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.192412][ T3767] netlink_unicast+0x449/0x710 [ 2501.192412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.192412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.192412][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.192412][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.192412][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.192412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.192412][ T3767] [ 2501.195821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2501.195821][ T3767] netdev_get_by_index+0x5e/0x80 [ 2501.195821][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2501.195821][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2501.195821][ T3767] ip6_route_add+0x1c/0x140 [ 2501.195821][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2501.195821][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2501.195821][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.195821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.195821][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.195821][ T3767] netlink_unicast+0x449/0x710 [ 2501.195821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.195821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.195821][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.195821][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.195821][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.195821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.195821][ T3767] [ 2501.199487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2501.199487][ T3767] netdev_get_by_index+0x5e/0x80 [ 2501.199487][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2501.199487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2501.199487][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2501.199487][ T3767] ipv6_add_addr+0x411/0x2000 [ 2501.199487][ T3767] inet6_addr_add+0x30e/0xa40 [ 2501.199487][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.199487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.199487][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.199487][ T3767] netlink_unicast+0x449/0x710 [ 2501.199487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.199487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.199487][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.199487][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.199487][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.199487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.199487][ T3767] [ 2501.203104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2501.203104][ T3767] netdev_get_by_index+0x5e/0x80 [ 2501.203104][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2501.203104][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2501.203104][ T3767] ip6_route_add+0x1c/0x140 [ 2501.203104][ T3767] addrconf_add_mroute+0x129/0x180 [ 2501.203104][ T3767] addrconf_add_dev+0xe2/0x170 [ 2501.203104][ T3767] inet6_addr_add+0x12f/0xa40 [ 2501.203104][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.203104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.203104][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.203104][ T3767] netlink_unicast+0x449/0x710 [ 2501.203104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.203104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.203104][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.203104][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.203104][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.203104][ T3767] [ 2501.206676][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2501.206676][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2501.206676][ T3767] ipv6_find_idev+0x102/0x170 [ 2501.206676][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.206676][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.206676][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.206676][ T3767] netlink_unicast+0x449/0x710 [ 2501.206676][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.206676][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.206676][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.206676][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.206676][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.206676][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.206676][ T3767] [ 2501.209464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2501.209464][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2501.209464][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2501.209464][ T3767] ipv6_find_idev+0x102/0x170 [ 2501.209464][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.209464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.209464][ T3767] netlink_rcv_skb+0x130/0x360 [ 2501.209464][ T3767] netlink_unicast+0x449/0x710 [ 2501.209464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2501.209464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2501.209464][ T3767] ___sys_sendmsg+0xee/0x170 [ 2501.209464][ T3767] __sys_sendmsg+0xcd/0x170 [ 2501.209464][ T3767] do_syscall_64+0xc6/0x1e0 [ 2501.209464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.209464][ T3767] [ 2511.455913][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2511.456483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2511.456483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2511.456483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2511.456483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2511.456483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2511.456483][ T3767] ip6_route_add+0x1c/0x140 [ 2511.456483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2511.456483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.456483][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.456483][ T3767] netlink_unicast+0x449/0x710 [ 2511.456483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.456483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.456483][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.456483][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.456483][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.456483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.456483][ T3767] [ 2511.459896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2511.459896][ T3767] netdev_get_by_index+0x5e/0x80 [ 2511.459896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2511.459896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2511.459896][ T3767] ip6_route_add+0x1c/0x140 [ 2511.459896][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2511.459896][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2511.459896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.459896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.459896][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.459896][ T3767] netlink_unicast+0x449/0x710 [ 2511.459896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.459896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.459896][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.459896][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.459896][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.459896][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.459896][ T3767] [ 2511.463547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2511.463547][ T3767] netdev_get_by_index+0x5e/0x80 [ 2511.463547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2511.463547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2511.463547][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2511.463547][ T3767] ipv6_add_addr+0x411/0x2000 [ 2511.463547][ T3767] inet6_addr_add+0x30e/0xa40 [ 2511.463547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.463547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.463547][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.463547][ T3767] netlink_unicast+0x449/0x710 [ 2511.463547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.463547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.463547][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.463547][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.463547][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.463547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.463547][ T3767] [ 2511.467190][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2511.467190][ T3767] netdev_get_by_index+0x5e/0x80 [ 2511.467190][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2511.467190][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2511.467190][ T3767] ip6_route_add+0x1c/0x140 [ 2511.467190][ T3767] addrconf_add_mroute+0x129/0x180 [ 2511.467190][ T3767] addrconf_add_dev+0xe2/0x170 [ 2511.467190][ T3767] inet6_addr_add+0x12f/0xa40 [ 2511.467190][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2511.467190][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.467190][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.467190][ T3767] netlink_unicast+0x449/0x710 [ 2511.467190][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.467190][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.467190][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.467190][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.467190][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.467190][ T3767] [ 2511.470767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2511.470767][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2511.470767][ T3767] ipv6_find_idev+0x102/0x170 [ 2511.470767][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2511.470767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.470767][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.470767][ T3767] netlink_unicast+0x449/0x710 [ 2511.470767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.470767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.470767][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.470767][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.470767][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.470767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.470767][ T3767] [ 2511.473555][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2511.473555][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2511.473555][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2511.473555][ T3767] ipv6_find_idev+0x102/0x170 [ 2511.473555][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2511.473555][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2511.473555][ T3767] netlink_rcv_skb+0x130/0x360 [ 2511.473555][ T3767] netlink_unicast+0x449/0x710 [ 2511.473555][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2511.473555][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2511.473555][ T3767] ___sys_sendmsg+0xee/0x170 [ 2511.473555][ T3767] __sys_sendmsg+0xcd/0x170 [ 2511.473555][ T3767] do_syscall_64+0xc6/0x1e0 [ 2511.473555][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2511.473555][ T3767] [ 2521.727898][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2521.728445][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2521.728445][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2521.728445][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2521.728445][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2521.728445][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2521.728445][ T3767] ip6_route_add+0x1c/0x140 [ 2521.728445][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2521.728445][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.728445][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.728445][ T3767] netlink_unicast+0x449/0x710 [ 2521.728445][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.728445][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.728445][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.728445][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.728445][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.728445][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.728445][ T3767] [ 2521.732020][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2521.732020][ T3767] netdev_get_by_index+0x5e/0x80 [ 2521.732020][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2521.732020][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2521.732020][ T3767] ip6_route_add+0x1c/0x140 [ 2521.732020][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2521.732020][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2521.732020][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.732020][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.732020][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.732020][ T3767] netlink_unicast+0x449/0x710 [ 2521.732020][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.732020][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.732020][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.732020][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.732020][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.732020][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.732020][ T3767] [ 2521.735873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2521.735873][ T3767] netdev_get_by_index+0x5e/0x80 [ 2521.735873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2521.735873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2521.735873][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2521.735873][ T3767] ipv6_add_addr+0x411/0x2000 [ 2521.735873][ T3767] inet6_addr_add+0x30e/0xa40 [ 2521.735873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.735873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.735873][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.735873][ T3767] netlink_unicast+0x449/0x710 [ 2521.735873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.735873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.735873][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.735873][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.735873][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.735873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.735873][ T3767] [ 2521.739491][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2521.739491][ T3767] netdev_get_by_index+0x5e/0x80 [ 2521.739491][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2521.739491][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2521.739491][ T3767] ip6_route_add+0x1c/0x140 [ 2521.739491][ T3767] addrconf_add_mroute+0x129/0x180 [ 2521.739491][ T3767] addrconf_add_dev+0xe2/0x170 [ 2521.739491][ T3767] inet6_addr_add+0x12f/0xa40 [ 2521.739491][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2521.739491][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.739491][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.739491][ T3767] netlink_unicast+0x449/0x710 [ 2521.739491][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.739491][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.739491][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.739491][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.739491][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.739491][ T3767] [ 2521.743570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2521.743570][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2521.743570][ T3767] ipv6_find_idev+0x102/0x170 [ 2521.743570][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.743570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.743570][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.743570][ T3767] netlink_unicast+0x449/0x710 [ 2521.743570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.743570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.743570][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.743570][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.743570][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.743570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.743570][ T3767] [ 2521.746366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2521.746366][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2521.746366][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2521.746366][ T3767] ipv6_find_idev+0x102/0x170 [ 2521.746366][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2521.746366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2521.746366][ T3767] netlink_rcv_skb+0x130/0x360 [ 2521.746366][ T3767] netlink_unicast+0x449/0x710 [ 2521.746366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2521.746366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2521.746366][ T3767] ___sys_sendmsg+0xee/0x170 [ 2521.746366][ T3767] __sys_sendmsg+0xcd/0x170 [ 2521.746366][ T3767] do_syscall_64+0xc6/0x1e0 [ 2521.746366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2521.746366][ T3767] [ 2531.999972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2532.000512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2532.000512][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2532.000512][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2532.000512][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2532.000512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2532.000512][ T3767] ip6_route_add+0x1c/0x140 [ 2532.000512][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2532.000512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.000512][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.000512][ T3767] netlink_unicast+0x449/0x710 [ 2532.000512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.000512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.000512][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.000512][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.000512][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.000512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.000512][ T3767] [ 2532.003932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2532.003932][ T3767] netdev_get_by_index+0x5e/0x80 [ 2532.003932][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2532.003932][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2532.003932][ T3767] ip6_route_add+0x1c/0x140 [ 2532.003932][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2532.003932][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2532.003932][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.003932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.003932][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.003932][ T3767] netlink_unicast+0x449/0x710 [ 2532.003932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.003932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.003932][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.003932][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.003932][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.003932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.003932][ T3767] [ 2532.007585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2532.007585][ T3767] netdev_get_by_index+0x5e/0x80 [ 2532.007585][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2532.007585][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2532.007585][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2532.007585][ T3767] ipv6_add_addr+0x411/0x2000 [ 2532.007585][ T3767] inet6_addr_add+0x30e/0xa40 [ 2532.007585][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.007585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.007585][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.007585][ T3767] netlink_unicast+0x449/0x710 [ 2532.007585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.007585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.007585][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.007585][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.007585][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.007585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.007585][ T3767] [ 2532.011222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2532.011222][ T3767] netdev_get_by_index+0x5e/0x80 [ 2532.011222][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2532.011222][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2532.011222][ T3767] ip6_route_add+0x1c/0x140 [ 2532.011222][ T3767] addrconf_add_mroute+0x129/0x180 [ 2532.011222][ T3767] addrconf_add_dev+0xe2/0x170 [ 2532.011222][ T3767] inet6_addr_add+0x12f/0xa40 [ 2532.011222][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.011222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.011222][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.011222][ T3767] netlink_unicast+0x449/0x710 [ 2532.011222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.011222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.011222][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.011222][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.011222][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.011222][ T3767] [ 2532.014804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2532.014804][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2532.014804][ T3767] ipv6_find_idev+0x102/0x170 [ 2532.014804][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.014804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.014804][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.014804][ T3767] netlink_unicast+0x449/0x710 [ 2532.014804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.014804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.014804][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.014804][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.014804][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.014804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.014804][ T3767] [ 2532.017608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2532.017608][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2532.017608][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2532.017608][ T3767] ipv6_find_idev+0x102/0x170 [ 2532.017608][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.017608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.017608][ T3767] netlink_rcv_skb+0x130/0x360 [ 2532.017608][ T3767] netlink_unicast+0x449/0x710 [ 2532.017608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2532.017608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2532.017608][ T3767] ___sys_sendmsg+0xee/0x170 [ 2532.017608][ T3767] __sys_sendmsg+0xcd/0x170 [ 2532.017608][ T3767] do_syscall_64+0xc6/0x1e0 [ 2532.017608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.017608][ T3767] [ 2542.263969][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2542.264461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2542.264461][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2542.264461][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2542.264461][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2542.264461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2542.264461][ T3767] ip6_route_add+0x1c/0x140 [ 2542.264461][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2542.264461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.264461][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.264461][ T3767] netlink_unicast+0x449/0x710 [ 2542.264461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.264461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.264461][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.264461][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.264461][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.264461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.264461][ T3767] [ 2542.266572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2542.266572][ T3767] netdev_get_by_index+0x5e/0x80 [ 2542.266572][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2542.266572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2542.266572][ T3767] ip6_route_add+0x1c/0x140 [ 2542.266572][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2542.266572][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2542.266572][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.266572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.266572][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.266572][ T3767] netlink_unicast+0x449/0x710 [ 2542.266572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.266572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.266572][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.266572][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.266572][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.266572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.266572][ T3767] [ 2542.268773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2542.268773][ T3767] netdev_get_by_index+0x5e/0x80 [ 2542.268773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2542.268773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2542.268773][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2542.268773][ T3767] ipv6_add_addr+0x411/0x2000 [ 2542.268773][ T3767] inet6_addr_add+0x30e/0xa40 [ 2542.268773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.268773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.268773][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.268773][ T3767] netlink_unicast+0x449/0x710 [ 2542.268773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.268773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.268773][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.268773][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.268773][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.268773][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.268773][ T3767] [ 2542.270980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2542.270980][ T3767] netdev_get_by_index+0x5e/0x80 [ 2542.270980][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2542.270980][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2542.270980][ T3767] ip6_route_add+0x1c/0x140 [ 2542.270980][ T3767] addrconf_add_mroute+0x129/0x180 [ 2542.270980][ T3767] addrconf_add_dev+0xe2/0x170 [ 2542.270980][ T3767] inet6_addr_add+0x12f/0xa40 [ 2542.270980][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.270980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.270980][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.270980][ T3767] netlink_unicast+0x449/0x710 [ 2542.270980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.270980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.270980][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.270980][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.270980][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.270980][ T3767] [ 2542.273284][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2542.273284][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2542.273284][ T3767] ipv6_find_idev+0x102/0x170 [ 2542.273284][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2542.273284][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.273284][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.273284][ T3767] netlink_unicast+0x449/0x710 [ 2542.273284][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.273284][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.273284][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.273284][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.273284][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.273284][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.273284][ T3767] [ 2542.274993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2542.274993][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2542.274993][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2542.274993][ T3767] ipv6_find_idev+0x102/0x170 [ 2542.274993][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2542.274993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.274993][ T3767] netlink_rcv_skb+0x130/0x360 [ 2542.274993][ T3767] netlink_unicast+0x449/0x710 [ 2542.274993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2542.274993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2542.274993][ T3767] ___sys_sendmsg+0xee/0x170 [ 2542.274993][ T3767] __sys_sendmsg+0xcd/0x170 [ 2542.274993][ T3767] do_syscall_64+0xc6/0x1e0 [ 2542.274993][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.274993][ T3767] [ 2552.527958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2552.528545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2552.528545][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2552.528545][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2552.528545][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2552.528545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2552.528545][ T3767] ip6_route_add+0x1c/0x140 [ 2552.528545][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2552.528545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.528545][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.528545][ T3767] netlink_unicast+0x449/0x710 [ 2552.528545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.528545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.528545][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.528545][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.528545][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.528545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.528545][ T3767] [ 2552.531951][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2552.531951][ T3767] netdev_get_by_index+0x5e/0x80 [ 2552.531951][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2552.531951][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2552.531951][ T3767] ip6_route_add+0x1c/0x140 [ 2552.531951][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2552.531951][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2552.531951][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.531951][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.531951][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.531951][ T3767] netlink_unicast+0x449/0x710 [ 2552.531951][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.531951][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.531951][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.531951][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.531951][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.531951][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.531951][ T3767] [ 2552.535603][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2552.535603][ T3767] netdev_get_by_index+0x5e/0x80 [ 2552.535603][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2552.535603][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2552.535603][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2552.535603][ T3767] ipv6_add_addr+0x411/0x2000 [ 2552.535603][ T3767] inet6_addr_add+0x30e/0xa40 [ 2552.535603][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.535603][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.535603][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.535603][ T3767] netlink_unicast+0x449/0x710 [ 2552.535603][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.535603][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.535603][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.535603][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.535603][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.535603][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.535603][ T3767] [ 2552.539227][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2552.539227][ T3767] netdev_get_by_index+0x5e/0x80 [ 2552.539227][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2552.539227][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2552.539227][ T3767] ip6_route_add+0x1c/0x140 [ 2552.539227][ T3767] addrconf_add_mroute+0x129/0x180 [ 2552.539227][ T3767] addrconf_add_dev+0xe2/0x170 [ 2552.539227][ T3767] inet6_addr_add+0x12f/0xa40 [ 2552.539227][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2552.539227][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.539227][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.539227][ T3767] netlink_unicast+0x449/0x710 [ 2552.539227][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.539227][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.539227][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.539227][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.539227][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.539227][ T3767] [ 2552.542793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2552.542793][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2552.542793][ T3767] ipv6_find_idev+0x102/0x170 [ 2552.542793][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2552.542793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.542793][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.542793][ T3767] netlink_unicast+0x449/0x710 [ 2552.542793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.542793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.542793][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.542793][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.542793][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.542793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.542793][ T3767] [ 2552.545589][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2552.545589][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2552.545589][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2552.545589][ T3767] ipv6_find_idev+0x102/0x170 [ 2552.545589][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2552.545589][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2552.545589][ T3767] netlink_rcv_skb+0x130/0x360 [ 2552.545589][ T3767] netlink_unicast+0x449/0x710 [ 2552.545589][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2552.545589][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2552.545589][ T3767] ___sys_sendmsg+0xee/0x170 [ 2552.545589][ T3767] __sys_sendmsg+0xcd/0x170 [ 2552.545589][ T3767] do_syscall_64+0xc6/0x1e0 [ 2552.545589][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2552.545589][ T3767] [ 2562.791988][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2562.792409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2562.792409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2562.792409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2562.792409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2562.792409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2562.792409][ T3767] ip6_route_add+0x1c/0x140 [ 2562.792409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2562.792409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.792409][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.792409][ T3767] netlink_unicast+0x449/0x710 [ 2562.792409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.792409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.792409][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.792409][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.792409][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.792409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.792409][ T3767] [ 2562.794598][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2562.794598][ T3767] netdev_get_by_index+0x5e/0x80 [ 2562.794598][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2562.794598][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2562.794598][ T3767] ip6_route_add+0x1c/0x140 [ 2562.794598][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2562.794598][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2562.794598][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.794598][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.794598][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.794598][ T3767] netlink_unicast+0x449/0x710 [ 2562.794598][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.794598][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.794598][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.794598][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.794598][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.794598][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.794598][ T3767] [ 2562.796776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2562.796776][ T3767] netdev_get_by_index+0x5e/0x80 [ 2562.796776][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2562.796776][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2562.796776][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2562.796776][ T3767] ipv6_add_addr+0x411/0x2000 [ 2562.796776][ T3767] inet6_addr_add+0x30e/0xa40 [ 2562.796776][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.796776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.796776][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.796776][ T3767] netlink_unicast+0x449/0x710 [ 2562.796776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.796776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.796776][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.796776][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.796776][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.796776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.796776][ T3767] [ 2562.798955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2562.798955][ T3767] netdev_get_by_index+0x5e/0x80 [ 2562.798955][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2562.798955][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2562.798955][ T3767] ip6_route_add+0x1c/0x140 [ 2562.798955][ T3767] addrconf_add_mroute+0x129/0x180 [ 2562.798955][ T3767] addrconf_add_dev+0xe2/0x170 [ 2562.798955][ T3767] inet6_addr_add+0x12f/0xa40 [ 2562.798955][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2562.798955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.798955][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.798955][ T3767] netlink_unicast+0x449/0x710 [ 2562.798955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.798955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.798955][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.798955][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.798955][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.798955][ T3767] [ 2562.801098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2562.801098][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2562.801098][ T3767] ipv6_find_idev+0x102/0x170 [ 2562.801098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2562.801098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.801098][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.801098][ T3767] netlink_unicast+0x449/0x710 [ 2562.801098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.801098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.801098][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.801098][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.801098][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.801098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.801098][ T3767] [ 2562.802778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2562.802778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2562.802778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2562.802778][ T3767] ipv6_find_idev+0x102/0x170 [ 2562.802778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2562.802778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2562.802778][ T3767] netlink_rcv_skb+0x130/0x360 [ 2562.802778][ T3767] netlink_unicast+0x449/0x710 [ 2562.802778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2562.802778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2562.802778][ T3767] ___sys_sendmsg+0xee/0x170 [ 2562.802778][ T3767] __sys_sendmsg+0xcd/0x170 [ 2562.802778][ T3767] do_syscall_64+0xc6/0x1e0 [ 2562.802778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2562.802778][ T3767] [ 2573.055888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2573.056314][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2573.056314][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2573.056314][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2573.056314][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2573.056314][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2573.056314][ T3767] ip6_route_add+0x1c/0x140 [ 2573.056314][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2573.056314][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.056314][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.056314][ T3767] netlink_unicast+0x449/0x710 [ 2573.056314][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.056314][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.056314][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.056314][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.056314][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.056314][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.056314][ T3767] [ 2573.058396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2573.058396][ T3767] netdev_get_by_index+0x5e/0x80 [ 2573.058396][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2573.058396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2573.058396][ T3767] ip6_route_add+0x1c/0x140 [ 2573.058396][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2573.058396][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2573.058396][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.058396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.058396][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.058396][ T3767] netlink_unicast+0x449/0x710 [ 2573.058396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.058396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.058396][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.058396][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.058396][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.058396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.058396][ T3767] [ 2573.060588][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2573.060588][ T3767] netdev_get_by_index+0x5e/0x80 [ 2573.060588][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2573.060588][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2573.060588][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2573.060588][ T3767] ipv6_add_addr+0x411/0x2000 [ 2573.060588][ T3767] inet6_addr_add+0x30e/0xa40 [ 2573.060588][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.060588][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.060588][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.060588][ T3767] netlink_unicast+0x449/0x710 [ 2573.060588][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.060588][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.060588][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.060588][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.060588][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.060588][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.060588][ T3767] [ 2573.062784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2573.062784][ T3767] netdev_get_by_index+0x5e/0x80 [ 2573.062784][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2573.062784][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2573.062784][ T3767] ip6_route_add+0x1c/0x140 [ 2573.062784][ T3767] addrconf_add_mroute+0x129/0x180 [ 2573.062784][ T3767] addrconf_add_dev+0xe2/0x170 [ 2573.062784][ T3767] inet6_addr_add+0x12f/0xa40 [ 2573.062784][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.062784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.062784][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.062784][ T3767] netlink_unicast+0x449/0x710 [ 2573.062784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.062784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.062784][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.062784][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.062784][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.062784][ T3767] [ 2573.064941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2573.064941][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2573.064941][ T3767] ipv6_find_idev+0x102/0x170 [ 2573.064941][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.064941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.064941][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.064941][ T3767] netlink_unicast+0x449/0x710 [ 2573.064941][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.064941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.064941][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.064941][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.064941][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.064941][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.064941][ T3767] [ 2573.066735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2573.066735][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2573.066735][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2573.066735][ T3767] ipv6_find_idev+0x102/0x170 [ 2573.066735][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.066735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.066735][ T3767] netlink_rcv_skb+0x130/0x360 [ 2573.066735][ T3767] netlink_unicast+0x449/0x710 [ 2573.066735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2573.066735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2573.066735][ T3767] ___sys_sendmsg+0xee/0x170 [ 2573.066735][ T3767] __sys_sendmsg+0xcd/0x170 [ 2573.066735][ T3767] do_syscall_64+0xc6/0x1e0 [ 2573.066735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.066735][ T3767] [ 2583.271869][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2583.272340][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2583.272340][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2583.272340][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2583.272340][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2583.272340][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2583.272340][ T3767] ip6_route_add+0x1c/0x140 [ 2583.272340][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2583.272340][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.272340][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.272340][ T3767] netlink_unicast+0x449/0x710 [ 2583.272340][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.272340][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.272340][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.272340][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.272340][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.272340][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.272340][ T3767] [ 2583.274416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2583.274416][ T3767] netdev_get_by_index+0x5e/0x80 [ 2583.274416][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2583.274416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2583.274416][ T3767] ip6_route_add+0x1c/0x140 [ 2583.274416][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2583.274416][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2583.274416][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.274416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.274416][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.274416][ T3767] netlink_unicast+0x449/0x710 [ 2583.274416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.274416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.274416][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.274416][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.274416][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.274416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.274416][ T3767] [ 2583.276610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2583.276610][ T3767] netdev_get_by_index+0x5e/0x80 [ 2583.276610][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2583.276610][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2583.276610][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2583.276610][ T3767] ipv6_add_addr+0x411/0x2000 [ 2583.276610][ T3767] inet6_addr_add+0x30e/0xa40 [ 2583.276610][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.276610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.276610][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.276610][ T3767] netlink_unicast+0x449/0x710 [ 2583.276610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.276610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.276610][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.276610][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.276610][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.276610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.276610][ T3767] [ 2583.278799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2583.278799][ T3767] netdev_get_by_index+0x5e/0x80 [ 2583.278799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2583.278799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2583.278799][ T3767] ip6_route_add+0x1c/0x140 [ 2583.278799][ T3767] addrconf_add_mroute+0x129/0x180 [ 2583.278799][ T3767] addrconf_add_dev+0xe2/0x170 [ 2583.278799][ T3767] inet6_addr_add+0x12f/0xa40 [ 2583.278799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.278799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.278799][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.278799][ T3767] netlink_unicast+0x449/0x710 [ 2583.278799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.278799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.278799][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.278799][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.278799][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.278799][ T3767] [ 2583.280952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2583.280952][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2583.280952][ T3767] ipv6_find_idev+0x102/0x170 [ 2583.280952][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.280952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.280952][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.280952][ T3767] netlink_unicast+0x449/0x710 [ 2583.280952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.280952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.280952][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.280952][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.280952][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.280952][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.280952][ T3767] [ 2583.282632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2583.282632][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2583.282632][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2583.282632][ T3767] ipv6_find_idev+0x102/0x170 [ 2583.282632][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.282632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.282632][ T3767] netlink_rcv_skb+0x130/0x360 [ 2583.282632][ T3767] netlink_unicast+0x449/0x710 [ 2583.282632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2583.282632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2583.282632][ T3767] ___sys_sendmsg+0xee/0x170 [ 2583.282632][ T3767] __sys_sendmsg+0xcd/0x170 [ 2583.282632][ T3767] do_syscall_64+0xc6/0x1e0 [ 2583.282632][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.282632][ T3767] [ 2593.447918][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2593.448436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2593.448436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2593.448436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2593.448436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2593.448436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2593.448436][ T3767] ip6_route_add+0x1c/0x140 [ 2593.448436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2593.448436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.448436][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.448436][ T3767] netlink_unicast+0x449/0x710 [ 2593.448436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.448436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.448436][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.448436][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.448436][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.448436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.448436][ T3767] [ 2593.450664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2593.450664][ T3767] netdev_get_by_index+0x5e/0x80 [ 2593.450664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2593.450664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2593.450664][ T3767] ip6_route_add+0x1c/0x140 [ 2593.450664][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2593.450664][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2593.450664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.450664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.450664][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.450664][ T3767] netlink_unicast+0x449/0x710 [ 2593.450664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.450664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.450664][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.450664][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.450664][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.450664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.450664][ T3767] [ 2593.452949][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2593.452949][ T3767] netdev_get_by_index+0x5e/0x80 [ 2593.452949][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2593.452949][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2593.452949][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2593.452949][ T3767] ipv6_add_addr+0x411/0x2000 [ 2593.452949][ T3767] inet6_addr_add+0x30e/0xa40 [ 2593.452949][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.452949][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.452949][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.452949][ T3767] netlink_unicast+0x449/0x710 [ 2593.452949][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.452949][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.452949][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.452949][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.452949][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.452949][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.452949][ T3767] [ 2593.455308][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2593.455308][ T3767] netdev_get_by_index+0x5e/0x80 [ 2593.455308][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2593.455308][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2593.455308][ T3767] ip6_route_add+0x1c/0x140 [ 2593.455308][ T3767] addrconf_add_mroute+0x129/0x180 [ 2593.455308][ T3767] addrconf_add_dev+0xe2/0x170 [ 2593.455308][ T3767] inet6_addr_add+0x12f/0xa40 [ 2593.455308][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2593.455308][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.455308][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.455308][ T3767] netlink_unicast+0x449/0x710 [ 2593.455308][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.455308][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.455308][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.455308][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.455308][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.455308][ T3767] [ 2593.457463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2593.457463][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2593.457463][ T3767] ipv6_find_idev+0x102/0x170 [ 2593.457463][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.457463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.457463][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.457463][ T3767] netlink_unicast+0x449/0x710 [ 2593.457463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.457463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.457463][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.457463][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.457463][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.457463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.457463][ T3767] [ 2593.459150][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2593.459150][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2593.459150][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2593.459150][ T3767] ipv6_find_idev+0x102/0x170 [ 2593.459150][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2593.459150][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2593.459150][ T3767] netlink_rcv_skb+0x130/0x360 [ 2593.459150][ T3767] netlink_unicast+0x449/0x710 [ 2593.459150][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2593.459150][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2593.459150][ T3767] ___sys_sendmsg+0xee/0x170 [ 2593.459150][ T3767] __sys_sendmsg+0xcd/0x170 [ 2593.459150][ T3767] do_syscall_64+0xc6/0x1e0 [ 2593.459150][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2593.459150][ T3767] [ 2603.704007][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2603.704438][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2603.704438][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2603.704438][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2603.704438][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2603.704438][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2603.704438][ T3767] ip6_route_add+0x1c/0x140 [ 2603.704438][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2603.704438][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.704438][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.704438][ T3767] netlink_unicast+0x449/0x710 [ 2603.704438][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.704438][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.704438][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.704438][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.704438][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.704438][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.704438][ T3767] [ 2603.706560][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2603.706560][ T3767] netdev_get_by_index+0x5e/0x80 [ 2603.706560][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2603.706560][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2603.706560][ T3767] ip6_route_add+0x1c/0x140 [ 2603.706560][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2603.706560][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2603.706560][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.706560][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.706560][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.706560][ T3767] netlink_unicast+0x449/0x710 [ 2603.706560][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.706560][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.706560][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.706560][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.706560][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.706560][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.706560][ T3767] [ 2603.708806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2603.708806][ T3767] netdev_get_by_index+0x5e/0x80 [ 2603.708806][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2603.708806][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2603.708806][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2603.708806][ T3767] ipv6_add_addr+0x411/0x2000 [ 2603.708806][ T3767] inet6_addr_add+0x30e/0xa40 [ 2603.708806][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.708806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.708806][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.708806][ T3767] netlink_unicast+0x449/0x710 [ 2603.708806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.708806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.708806][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.708806][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.708806][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.708806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.708806][ T3767] [ 2603.710991][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2603.710991][ T3767] netdev_get_by_index+0x5e/0x80 [ 2603.710991][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2603.710991][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2603.710991][ T3767] ip6_route_add+0x1c/0x140 [ 2603.710991][ T3767] addrconf_add_mroute+0x129/0x180 [ 2603.710991][ T3767] addrconf_add_dev+0xe2/0x170 [ 2603.710991][ T3767] inet6_addr_add+0x12f/0xa40 [ 2603.710991][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2603.710991][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.710991][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.710991][ T3767] netlink_unicast+0x449/0x710 [ 2603.710991][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.710991][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.710991][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.710991][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.710991][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.710991][ T3767] [ 2603.713143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2603.713143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2603.713143][ T3767] ipv6_find_idev+0x102/0x170 [ 2603.713143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2603.713143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.713143][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.713143][ T3767] netlink_unicast+0x449/0x710 [ 2603.713143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.713143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.713143][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.713143][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.713143][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.713143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.713143][ T3767] [ 2603.714834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2603.714834][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2603.714834][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2603.714834][ T3767] ipv6_find_idev+0x102/0x170 [ 2603.714834][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2603.714834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2603.714834][ T3767] netlink_rcv_skb+0x130/0x360 [ 2603.714834][ T3767] netlink_unicast+0x449/0x710 [ 2603.714834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2603.714834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2603.714834][ T3767] ___sys_sendmsg+0xee/0x170 [ 2603.714834][ T3767] __sys_sendmsg+0xcd/0x170 [ 2603.714834][ T3767] do_syscall_64+0xc6/0x1e0 [ 2603.714834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2603.714834][ T3767] [ 2613.951904][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2613.952339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2613.952339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2613.952339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2613.952339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2613.952339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2613.952339][ T3767] ip6_route_add+0x1c/0x140 [ 2613.952339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2613.952339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.952339][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.952339][ T3767] netlink_unicast+0x449/0x710 [ 2613.952339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.952339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.952339][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.952339][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.952339][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.952339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.952339][ T3767] [ 2613.954550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2613.954550][ T3767] netdev_get_by_index+0x5e/0x80 [ 2613.954550][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2613.954550][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2613.954550][ T3767] ip6_route_add+0x1c/0x140 [ 2613.954550][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2613.954550][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2613.954550][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.954550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.954550][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.954550][ T3767] netlink_unicast+0x449/0x710 [ 2613.954550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.954550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.954550][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.954550][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.954550][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.954550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.954550][ T3767] [ 2613.956852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2613.956852][ T3767] netdev_get_by_index+0x5e/0x80 [ 2613.956852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2613.956852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2613.956852][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2613.956852][ T3767] ipv6_add_addr+0x411/0x2000 [ 2613.956852][ T3767] inet6_addr_add+0x30e/0xa40 [ 2613.956852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.956852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.956852][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.956852][ T3767] netlink_unicast+0x449/0x710 [ 2613.956852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.956852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.956852][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.956852][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.956852][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.956852][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.956852][ T3767] [ 2613.959091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2613.959091][ T3767] netdev_get_by_index+0x5e/0x80 [ 2613.959091][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2613.959091][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2613.959091][ T3767] ip6_route_add+0x1c/0x140 [ 2613.959091][ T3767] addrconf_add_mroute+0x129/0x180 [ 2613.959091][ T3767] addrconf_add_dev+0xe2/0x170 [ 2613.959091][ T3767] inet6_addr_add+0x12f/0xa40 [ 2613.959091][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2613.959091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.959091][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.959091][ T3767] netlink_unicast+0x449/0x710 [ 2613.959091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.959091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.959091][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.959091][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.959091][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.959091][ T3767] [ 2613.961627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2613.961627][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2613.961627][ T3767] ipv6_find_idev+0x102/0x170 [ 2613.961627][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.961627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.961627][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.961627][ T3767] netlink_unicast+0x449/0x710 [ 2613.961627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.961627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.961627][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.961627][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.961627][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.961627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.961627][ T3767] [ 2613.963300][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2613.963300][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2613.963300][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2613.963300][ T3767] ipv6_find_idev+0x102/0x170 [ 2613.963300][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2613.963300][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2613.963300][ T3767] netlink_rcv_skb+0x130/0x360 [ 2613.963300][ T3767] netlink_unicast+0x449/0x710 [ 2613.963300][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2613.963300][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2613.963300][ T3767] ___sys_sendmsg+0xee/0x170 [ 2613.963300][ T3767] __sys_sendmsg+0xcd/0x170 [ 2613.963300][ T3767] do_syscall_64+0xc6/0x1e0 [ 2613.963300][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2613.963300][ T3767] [ 2624.207874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2624.208425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2624.208425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2624.208425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2624.208425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2624.208425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2624.208425][ T3767] ip6_route_add+0x1c/0x140 [ 2624.208425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2624.208425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.208425][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.208425][ T3767] netlink_unicast+0x449/0x710 [ 2624.208425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.208425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.208425][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.208425][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.208425][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.208425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.208425][ T3767] [ 2624.210550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2624.210550][ T3767] netdev_get_by_index+0x5e/0x80 [ 2624.210550][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2624.210550][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2624.210550][ T3767] ip6_route_add+0x1c/0x140 [ 2624.210550][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2624.210550][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2624.210550][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.210550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.210550][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.210550][ T3767] netlink_unicast+0x449/0x710 [ 2624.210550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.210550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.210550][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.210550][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.210550][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.210550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.210550][ T3767] [ 2624.212787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2624.212787][ T3767] netdev_get_by_index+0x5e/0x80 [ 2624.212787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2624.212787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2624.212787][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2624.212787][ T3767] ipv6_add_addr+0x411/0x2000 [ 2624.212787][ T3767] inet6_addr_add+0x30e/0xa40 [ 2624.212787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.212787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.212787][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.212787][ T3767] netlink_unicast+0x449/0x710 [ 2624.212787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.212787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.212787][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.212787][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.212787][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.212787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.212787][ T3767] [ 2624.215005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2624.215005][ T3767] netdev_get_by_index+0x5e/0x80 [ 2624.215005][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2624.215005][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2624.215005][ T3767] ip6_route_add+0x1c/0x140 [ 2624.215005][ T3767] addrconf_add_mroute+0x129/0x180 [ 2624.215005][ T3767] addrconf_add_dev+0xe2/0x170 [ 2624.215005][ T3767] inet6_addr_add+0x12f/0xa40 [ 2624.215005][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2624.215005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.215005][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.215005][ T3767] netlink_unicast+0x449/0x710 [ 2624.215005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.215005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.215005][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.215005][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.215005][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.215005][ T3767] [ 2624.217204][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2624.217204][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2624.217204][ T3767] ipv6_find_idev+0x102/0x170 [ 2624.217204][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2624.217204][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.217204][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.217204][ T3767] netlink_unicast+0x449/0x710 [ 2624.217204][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.217204][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.217204][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.217204][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.217204][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.217204][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.217204][ T3767] [ 2624.218904][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2624.218904][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2624.218904][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2624.218904][ T3767] ipv6_find_idev+0x102/0x170 [ 2624.218904][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2624.218904][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2624.218904][ T3767] netlink_rcv_skb+0x130/0x360 [ 2624.218904][ T3767] netlink_unicast+0x449/0x710 [ 2624.218904][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2624.218904][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2624.218904][ T3767] ___sys_sendmsg+0xee/0x170 [ 2624.218904][ T3767] __sys_sendmsg+0xcd/0x170 [ 2624.218904][ T3767] do_syscall_64+0xc6/0x1e0 [ 2624.218904][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2624.218904][ T3767] [ 2634.455894][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2634.456323][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2634.456323][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2634.456323][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2634.456323][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2634.456323][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2634.456323][ T3767] ip6_route_add+0x1c/0x140 [ 2634.456323][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2634.456323][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.456323][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.456323][ T3767] netlink_unicast+0x449/0x710 [ 2634.456323][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.456323][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.456323][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.456323][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.456323][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.456323][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.456323][ T3767] [ 2634.458407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2634.458407][ T3767] netdev_get_by_index+0x5e/0x80 [ 2634.458407][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2634.458407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2634.458407][ T3767] ip6_route_add+0x1c/0x140 [ 2634.458407][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2634.458407][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2634.458407][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.458407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.458407][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.458407][ T3767] netlink_unicast+0x449/0x710 [ 2634.458407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.458407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.458407][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.458407][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.458407][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.458407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.458407][ T3767] [ 2634.460610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2634.460610][ T3767] netdev_get_by_index+0x5e/0x80 [ 2634.460610][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2634.460610][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2634.460610][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2634.460610][ T3767] ipv6_add_addr+0x411/0x2000 [ 2634.460610][ T3767] inet6_addr_add+0x30e/0xa40 [ 2634.460610][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.460610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.460610][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.460610][ T3767] netlink_unicast+0x449/0x710 [ 2634.460610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.460610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.460610][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.460610][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.460610][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.460610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.460610][ T3767] [ 2634.462810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2634.462810][ T3767] netdev_get_by_index+0x5e/0x80 [ 2634.462810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2634.462810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2634.462810][ T3767] ip6_route_add+0x1c/0x140 [ 2634.462810][ T3767] addrconf_add_mroute+0x129/0x180 [ 2634.462810][ T3767] addrconf_add_dev+0xe2/0x170 [ 2634.462810][ T3767] inet6_addr_add+0x12f/0xa40 [ 2634.462810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2634.462810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.462810][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.462810][ T3767] netlink_unicast+0x449/0x710 [ 2634.462810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.462810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.462810][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.462810][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.462810][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.462810][ T3767] [ 2634.465001][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2634.465001][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2634.465001][ T3767] ipv6_find_idev+0x102/0x170 [ 2634.465001][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.465001][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.465001][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.465001][ T3767] netlink_unicast+0x449/0x710 [ 2634.465001][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.465001][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.465001][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.465001][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.465001][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.465001][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.465001][ T3767] [ 2634.466692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2634.466692][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2634.466692][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2634.466692][ T3767] ipv6_find_idev+0x102/0x170 [ 2634.466692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2634.466692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2634.466692][ T3767] netlink_rcv_skb+0x130/0x360 [ 2634.466692][ T3767] netlink_unicast+0x449/0x710 [ 2634.466692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2634.466692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2634.466692][ T3767] ___sys_sendmsg+0xee/0x170 [ 2634.466692][ T3767] __sys_sendmsg+0xcd/0x170 [ 2634.466692][ T3767] do_syscall_64+0xc6/0x1e0 [ 2634.466692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2634.466692][ T3767] [ 2644.559886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2644.560338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2644.560338][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2644.560338][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2644.560338][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2644.560338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2644.560338][ T3767] ip6_route_add+0x1c/0x140 [ 2644.560338][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2644.560338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.560338][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.560338][ T3767] netlink_unicast+0x449/0x710 [ 2644.560338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.560338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.560338][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.560338][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.560338][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.560338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.560338][ T3767] [ 2644.562462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2644.562462][ T3767] netdev_get_by_index+0x5e/0x80 [ 2644.562462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2644.562462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2644.562462][ T3767] ip6_route_add+0x1c/0x140 [ 2644.562462][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2644.562462][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2644.562462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.562462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.562462][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.562462][ T3767] netlink_unicast+0x449/0x710 [ 2644.562462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.562462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.562462][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.562462][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.562462][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.562462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.562462][ T3767] [ 2644.564708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2644.564708][ T3767] netdev_get_by_index+0x5e/0x80 [ 2644.564708][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2644.564708][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2644.564708][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2644.564708][ T3767] ipv6_add_addr+0x411/0x2000 [ 2644.564708][ T3767] inet6_addr_add+0x30e/0xa40 [ 2644.564708][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.564708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.564708][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.564708][ T3767] netlink_unicast+0x449/0x710 [ 2644.564708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.564708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.564708][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.564708][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.564708][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.564708][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.564708][ T3767] [ 2644.566943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2644.566943][ T3767] netdev_get_by_index+0x5e/0x80 [ 2644.566943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2644.566943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2644.566943][ T3767] ip6_route_add+0x1c/0x140 [ 2644.566943][ T3767] addrconf_add_mroute+0x129/0x180 [ 2644.566943][ T3767] addrconf_add_dev+0xe2/0x170 [ 2644.566943][ T3767] inet6_addr_add+0x12f/0xa40 [ 2644.566943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2644.566943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.566943][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.566943][ T3767] netlink_unicast+0x449/0x710 [ 2644.566943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.566943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.566943][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.566943][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.566943][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.566943][ T3767] [ 2644.569139][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2644.569139][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2644.569139][ T3767] ipv6_find_idev+0x102/0x170 [ 2644.569139][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2644.569139][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.569139][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.569139][ T3767] netlink_unicast+0x449/0x710 [ 2644.569139][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.569139][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.569139][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.569139][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.569139][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.569139][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.569139][ T3767] [ 2644.570855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2644.570855][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2644.570855][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2644.570855][ T3767] ipv6_find_idev+0x102/0x170 [ 2644.570855][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2644.570855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2644.570855][ T3767] netlink_rcv_skb+0x130/0x360 [ 2644.570855][ T3767] netlink_unicast+0x449/0x710 [ 2644.570855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2644.570855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2644.570855][ T3767] ___sys_sendmsg+0xee/0x170 [ 2644.570855][ T3767] __sys_sendmsg+0xcd/0x170 [ 2644.570855][ T3767] do_syscall_64+0xc6/0x1e0 [ 2644.570855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2644.570855][ T3767] [ 2654.671899][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2654.672332][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2654.672332][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2654.672332][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2654.672332][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2654.672332][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2654.672332][ T3767] ip6_route_add+0x1c/0x140 [ 2654.672332][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2654.672332][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.672332][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.672332][ T3767] netlink_unicast+0x449/0x710 [ 2654.672332][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.672332][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.672332][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.672332][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.672332][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.672332][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.672332][ T3767] [ 2654.674930][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2654.674930][ T3767] netdev_get_by_index+0x5e/0x80 [ 2654.674930][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2654.674930][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2654.674930][ T3767] ip6_route_add+0x1c/0x140 [ 2654.674930][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2654.674930][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2654.674930][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.674930][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.674930][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.674930][ T3767] netlink_unicast+0x449/0x710 [ 2654.674930][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.674930][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.674930][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.674930][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.674930][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.674930][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.674930][ T3767] [ 2654.677138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2654.677138][ T3767] netdev_get_by_index+0x5e/0x80 [ 2654.677138][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2654.677138][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2654.677138][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2654.677138][ T3767] ipv6_add_addr+0x411/0x2000 [ 2654.677138][ T3767] inet6_addr_add+0x30e/0xa40 [ 2654.677138][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.677138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.677138][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.677138][ T3767] netlink_unicast+0x449/0x710 [ 2654.677138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.677138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.677138][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.677138][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.677138][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.677138][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.677138][ T3767] [ 2654.679352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2654.679352][ T3767] netdev_get_by_index+0x5e/0x80 [ 2654.679352][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2654.679352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2654.679352][ T3767] ip6_route_add+0x1c/0x140 [ 2654.679352][ T3767] addrconf_add_mroute+0x129/0x180 [ 2654.679352][ T3767] addrconf_add_dev+0xe2/0x170 [ 2654.679352][ T3767] inet6_addr_add+0x12f/0xa40 [ 2654.679352][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2654.679352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.679352][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.679352][ T3767] netlink_unicast+0x449/0x710 [ 2654.679352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.679352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.679352][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.679352][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.679352][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.679352][ T3767] [ 2654.681531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2654.681531][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2654.681531][ T3767] ipv6_find_idev+0x102/0x170 [ 2654.681531][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.681531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.681531][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.681531][ T3767] netlink_unicast+0x449/0x710 [ 2654.681531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.681531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.681531][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.681531][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.681531][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.681531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.681531][ T3767] [ 2654.683225][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2654.683225][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2654.683225][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2654.683225][ T3767] ipv6_find_idev+0x102/0x170 [ 2654.683225][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2654.683225][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2654.683225][ T3767] netlink_rcv_skb+0x130/0x360 [ 2654.683225][ T3767] netlink_unicast+0x449/0x710 [ 2654.683225][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2654.683225][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2654.683225][ T3767] ___sys_sendmsg+0xee/0x170 [ 2654.683225][ T3767] __sys_sendmsg+0xcd/0x170 [ 2654.683225][ T3767] do_syscall_64+0xc6/0x1e0 [ 2654.683225][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2654.683225][ T3767] [ 2664.928023][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2664.928454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2664.928454][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2664.928454][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2664.928454][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2664.928454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2664.928454][ T3767] ip6_route_add+0x1c/0x140 [ 2664.928454][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2664.928454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.928454][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.928454][ T3767] netlink_unicast+0x449/0x710 [ 2664.928454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.928454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.928454][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.928454][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.928454][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.928454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.928454][ T3767] [ 2664.930539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2664.930539][ T3767] netdev_get_by_index+0x5e/0x80 [ 2664.930539][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2664.930539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2664.930539][ T3767] ip6_route_add+0x1c/0x140 [ 2664.930539][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2664.930539][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2664.930539][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.930539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.930539][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.930539][ T3767] netlink_unicast+0x449/0x710 [ 2664.930539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.930539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.930539][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.930539][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.930539][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.930539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.930539][ T3767] [ 2664.933156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2664.933156][ T3767] netdev_get_by_index+0x5e/0x80 [ 2664.933156][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2664.933156][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2664.933156][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2664.933156][ T3767] ipv6_add_addr+0x411/0x2000 [ 2664.933156][ T3767] inet6_addr_add+0x30e/0xa40 [ 2664.933156][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.933156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.933156][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.933156][ T3767] netlink_unicast+0x449/0x710 [ 2664.933156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.933156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.933156][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.933156][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.933156][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.933156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.933156][ T3767] [ 2664.935373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2664.935373][ T3767] netdev_get_by_index+0x5e/0x80 [ 2664.935373][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2664.935373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2664.935373][ T3767] ip6_route_add+0x1c/0x140 [ 2664.935373][ T3767] addrconf_add_mroute+0x129/0x180 [ 2664.935373][ T3767] addrconf_add_dev+0xe2/0x170 [ 2664.935373][ T3767] inet6_addr_add+0x12f/0xa40 [ 2664.935373][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2664.935373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.935373][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.935373][ T3767] netlink_unicast+0x449/0x710 [ 2664.935373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.935373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.935373][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.935373][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.935373][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.935373][ T3767] [ 2664.937550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2664.937550][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2664.937550][ T3767] ipv6_find_idev+0x102/0x170 [ 2664.937550][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.937550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.937550][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.937550][ T3767] netlink_unicast+0x449/0x710 [ 2664.937550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.937550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.937550][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.937550][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.937550][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.937550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.937550][ T3767] [ 2664.939243][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2664.939243][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2664.939243][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2664.939243][ T3767] ipv6_find_idev+0x102/0x170 [ 2664.939243][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2664.939243][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2664.939243][ T3767] netlink_rcv_skb+0x130/0x360 [ 2664.939243][ T3767] netlink_unicast+0x449/0x710 [ 2664.939243][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2664.939243][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2664.939243][ T3767] ___sys_sendmsg+0xee/0x170 [ 2664.939243][ T3767] __sys_sendmsg+0xcd/0x170 [ 2664.939243][ T3767] do_syscall_64+0xc6/0x1e0 [ 2664.939243][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2664.939243][ T3767] [ 2675.183870][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2675.184313][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2675.184313][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2675.184313][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2675.184313][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2675.184313][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2675.184313][ T3767] ip6_route_add+0x1c/0x140 [ 2675.184313][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2675.184313][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.184313][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.184313][ T3767] netlink_unicast+0x449/0x710 [ 2675.184313][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.184313][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.184313][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.184313][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.184313][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.184313][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.184313][ T3767] [ 2675.186427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2675.186427][ T3767] netdev_get_by_index+0x5e/0x80 [ 2675.186427][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2675.186427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2675.186427][ T3767] ip6_route_add+0x1c/0x140 [ 2675.186427][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2675.186427][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2675.186427][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.186427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.186427][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.186427][ T3767] netlink_unicast+0x449/0x710 [ 2675.186427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.186427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.186427][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.186427][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.186427][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.186427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.186427][ T3767] [ 2675.188666][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2675.188666][ T3767] netdev_get_by_index+0x5e/0x80 [ 2675.188666][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2675.188666][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2675.188666][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2675.188666][ T3767] ipv6_add_addr+0x411/0x2000 [ 2675.188666][ T3767] inet6_addr_add+0x30e/0xa40 [ 2675.188666][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.188666][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.188666][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.188666][ T3767] netlink_unicast+0x449/0x710 [ 2675.188666][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.188666][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.188666][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.188666][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.188666][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.188666][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.188666][ T3767] [ 2675.190891][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2675.190891][ T3767] netdev_get_by_index+0x5e/0x80 [ 2675.190891][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2675.190891][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2675.190891][ T3767] ip6_route_add+0x1c/0x140 [ 2675.190891][ T3767] addrconf_add_mroute+0x129/0x180 [ 2675.190891][ T3767] addrconf_add_dev+0xe2/0x170 [ 2675.190891][ T3767] inet6_addr_add+0x12f/0xa40 [ 2675.190891][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2675.190891][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.190891][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.190891][ T3767] netlink_unicast+0x449/0x710 [ 2675.190891][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.190891][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.190891][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.190891][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.190891][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.190891][ T3767] [ 2675.193092][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2675.193092][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2675.193092][ T3767] ipv6_find_idev+0x102/0x170 [ 2675.193092][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2675.193092][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.193092][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.193092][ T3767] netlink_unicast+0x449/0x710 [ 2675.193092][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.193092][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.193092][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.193092][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.193092][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.193092][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.193092][ T3767] [ 2675.194818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2675.194818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2675.194818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2675.194818][ T3767] ipv6_find_idev+0x102/0x170 [ 2675.194818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2675.194818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2675.194818][ T3767] netlink_rcv_skb+0x130/0x360 [ 2675.194818][ T3767] netlink_unicast+0x449/0x710 [ 2675.194818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2675.194818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2675.194818][ T3767] ___sys_sendmsg+0xee/0x170 [ 2675.194818][ T3767] __sys_sendmsg+0xcd/0x170 [ 2675.194818][ T3767] do_syscall_64+0xc6/0x1e0 [ 2675.194818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2675.194818][ T3767] [ 2685.399897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2685.400572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2685.400572][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2685.400572][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2685.400572][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2685.400572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2685.400572][ T3767] ip6_route_add+0x1c/0x140 [ 2685.400572][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2685.400572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.400572][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.400572][ T3767] netlink_unicast+0x449/0x710 [ 2685.400572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.400572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.400572][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.400572][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.400572][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.400572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.400572][ T3767] [ 2685.403726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2685.403726][ T3767] netdev_get_by_index+0x5e/0x80 [ 2685.403726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2685.403726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2685.403726][ T3767] ip6_route_add+0x1c/0x140 [ 2685.403726][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2685.403726][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2685.403726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.403726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.403726][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.403726][ T3767] netlink_unicast+0x449/0x710 [ 2685.403726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.403726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.403726][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.403726][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.403726][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.403726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.403726][ T3767] [ 2685.407082][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2685.407082][ T3767] netdev_get_by_index+0x5e/0x80 [ 2685.407082][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2685.407082][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2685.407082][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2685.407082][ T3767] ipv6_add_addr+0x411/0x2000 [ 2685.407082][ T3767] inet6_addr_add+0x30e/0xa40 [ 2685.407082][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.407082][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.407082][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.407082][ T3767] netlink_unicast+0x449/0x710 [ 2685.407082][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.407082][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.407082][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.407082][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.407082][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.407082][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.407082][ T3767] [ 2685.410429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2685.410429][ T3767] netdev_get_by_index+0x5e/0x80 [ 2685.410429][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2685.410429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2685.410429][ T3767] ip6_route_add+0x1c/0x140 [ 2685.410429][ T3767] addrconf_add_mroute+0x129/0x180 [ 2685.410429][ T3767] addrconf_add_dev+0xe2/0x170 [ 2685.410429][ T3767] inet6_addr_add+0x12f/0xa40 [ 2685.410429][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2685.410429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.410429][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.410429][ T3767] netlink_unicast+0x449/0x710 [ 2685.410429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.410429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.410429][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.410429][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.410429][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.410429][ T3767] [ 2685.413679][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2685.413679][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2685.413679][ T3767] ipv6_find_idev+0x102/0x170 [ 2685.413679][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.413679][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.413679][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.413679][ T3767] netlink_unicast+0x449/0x710 [ 2685.413679][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.413679][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.413679][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.413679][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.413679][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.413679][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.413679][ T3767] [ 2685.416383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2685.416383][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2685.416383][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2685.416383][ T3767] ipv6_find_idev+0x102/0x170 [ 2685.416383][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2685.416383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2685.416383][ T3767] netlink_rcv_skb+0x130/0x360 [ 2685.416383][ T3767] netlink_unicast+0x449/0x710 [ 2685.416383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2685.416383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2685.416383][ T3767] ___sys_sendmsg+0xee/0x170 [ 2685.416383][ T3767] __sys_sendmsg+0xcd/0x170 [ 2685.416383][ T3767] do_syscall_64+0xc6/0x1e0 [ 2685.416383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2685.416383][ T3767] [ 2695.655992][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2695.656476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2695.656476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2695.656476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2695.656476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2695.656476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2695.656476][ T3767] ip6_route_add+0x1c/0x140 [ 2695.656476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2695.656476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.656476][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.656476][ T3767] netlink_unicast+0x449/0x710 [ 2695.656476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.656476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.656476][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.656476][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.656476][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.656476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.656476][ T3767] [ 2695.658597][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2695.658597][ T3767] netdev_get_by_index+0x5e/0x80 [ 2695.658597][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2695.658597][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2695.658597][ T3767] ip6_route_add+0x1c/0x140 [ 2695.658597][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2695.658597][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2695.658597][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.658597][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.658597][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.658597][ T3767] netlink_unicast+0x449/0x710 [ 2695.658597][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.658597][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.658597][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.658597][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.658597][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.658597][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.658597][ T3767] [ 2695.660806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2695.660806][ T3767] netdev_get_by_index+0x5e/0x80 [ 2695.660806][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2695.660806][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2695.660806][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2695.660806][ T3767] ipv6_add_addr+0x411/0x2000 [ 2695.660806][ T3767] inet6_addr_add+0x30e/0xa40 [ 2695.660806][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.660806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.660806][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.660806][ T3767] netlink_unicast+0x449/0x710 [ 2695.660806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.660806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.660806][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.660806][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.660806][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.660806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.660806][ T3767] [ 2695.663019][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2695.663019][ T3767] netdev_get_by_index+0x5e/0x80 [ 2695.663019][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2695.663019][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2695.663019][ T3767] ip6_route_add+0x1c/0x140 [ 2695.663019][ T3767] addrconf_add_mroute+0x129/0x180 [ 2695.663019][ T3767] addrconf_add_dev+0xe2/0x170 [ 2695.663019][ T3767] inet6_addr_add+0x12f/0xa40 [ 2695.663019][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2695.663019][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.663019][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.663019][ T3767] netlink_unicast+0x449/0x710 [ 2695.663019][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.663019][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.663019][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.663019][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.663019][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.663019][ T3767] [ 2695.665224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2695.665224][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2695.665224][ T3767] ipv6_find_idev+0x102/0x170 [ 2695.665224][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.665224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.665224][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.665224][ T3767] netlink_unicast+0x449/0x710 [ 2695.665224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.665224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.665224][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.665224][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.665224][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.665224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.665224][ T3767] [ 2695.666922][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2695.666922][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2695.666922][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2695.666922][ T3767] ipv6_find_idev+0x102/0x170 [ 2695.666922][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2695.666922][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2695.666922][ T3767] netlink_rcv_skb+0x130/0x360 [ 2695.666922][ T3767] netlink_unicast+0x449/0x710 [ 2695.666922][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2695.666922][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2695.666922][ T3767] ___sys_sendmsg+0xee/0x170 [ 2695.666922][ T3767] __sys_sendmsg+0xcd/0x170 [ 2695.666922][ T3767] do_syscall_64+0xc6/0x1e0 [ 2695.666922][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2695.666922][ T3767] [ 2705.903892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2705.904376][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2705.904376][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2705.904376][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2705.904376][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2705.904376][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2705.904376][ T3767] ip6_route_add+0x1c/0x140 [ 2705.904376][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2705.904376][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.904376][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.904376][ T3767] netlink_unicast+0x449/0x710 [ 2705.904376][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.904376][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.904376][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.904376][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.904376][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.904376][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.904376][ T3767] [ 2705.906472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2705.906472][ T3767] netdev_get_by_index+0x5e/0x80 [ 2705.906472][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2705.906472][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2705.906472][ T3767] ip6_route_add+0x1c/0x140 [ 2705.906472][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2705.906472][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2705.906472][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.906472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.906472][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.906472][ T3767] netlink_unicast+0x449/0x710 [ 2705.906472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.906472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.906472][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.906472][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.906472][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.906472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.906472][ T3767] [ 2705.908690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2705.908690][ T3767] netdev_get_by_index+0x5e/0x80 [ 2705.908690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2705.908690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2705.908690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2705.908690][ T3767] ipv6_add_addr+0x411/0x2000 [ 2705.908690][ T3767] inet6_addr_add+0x30e/0xa40 [ 2705.908690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.908690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.908690][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.908690][ T3767] netlink_unicast+0x449/0x710 [ 2705.908690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.908690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.908690][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.908690][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.908690][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.908690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.908690][ T3767] [ 2705.910903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2705.910903][ T3767] netdev_get_by_index+0x5e/0x80 [ 2705.910903][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2705.910903][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2705.910903][ T3767] ip6_route_add+0x1c/0x140 [ 2705.910903][ T3767] addrconf_add_mroute+0x129/0x180 [ 2705.910903][ T3767] addrconf_add_dev+0xe2/0x170 [ 2705.910903][ T3767] inet6_addr_add+0x12f/0xa40 [ 2705.910903][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2705.910903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.910903][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.910903][ T3767] netlink_unicast+0x449/0x710 [ 2705.910903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.910903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.910903][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.910903][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.910903][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.910903][ T3767] [ 2705.913070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2705.913070][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2705.913070][ T3767] ipv6_find_idev+0x102/0x170 [ 2705.913070][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.913070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.913070][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.913070][ T3767] netlink_unicast+0x449/0x710 [ 2705.913070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.913070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.913070][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.913070][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.913070][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.913070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.913070][ T3767] [ 2705.914784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2705.914784][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2705.914784][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2705.914784][ T3767] ipv6_find_idev+0x102/0x170 [ 2705.914784][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2705.914784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2705.914784][ T3767] netlink_rcv_skb+0x130/0x360 [ 2705.914784][ T3767] netlink_unicast+0x449/0x710 [ 2705.914784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2705.914784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2705.914784][ T3767] ___sys_sendmsg+0xee/0x170 [ 2705.914784][ T3767] __sys_sendmsg+0xcd/0x170 [ 2705.914784][ T3767] do_syscall_64+0xc6/0x1e0 [ 2705.914784][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2705.914784][ T3767] [ 2716.151893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2716.152417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2716.152417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2716.152417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2716.152417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2716.152417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2716.152417][ T3767] ip6_route_add+0x1c/0x140 [ 2716.152417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2716.152417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.152417][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.152417][ T3767] netlink_unicast+0x449/0x710 [ 2716.152417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.152417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.152417][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.152417][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.152417][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.152417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.152417][ T3767] [ 2716.154541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2716.154541][ T3767] netdev_get_by_index+0x5e/0x80 [ 2716.154541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2716.154541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2716.154541][ T3767] ip6_route_add+0x1c/0x140 [ 2716.154541][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2716.154541][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2716.154541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.154541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.154541][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.154541][ T3767] netlink_unicast+0x449/0x710 [ 2716.154541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.154541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.154541][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.154541][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.154541][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.154541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.154541][ T3767] [ 2716.156767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2716.156767][ T3767] netdev_get_by_index+0x5e/0x80 [ 2716.156767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2716.156767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2716.156767][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2716.156767][ T3767] ipv6_add_addr+0x411/0x2000 [ 2716.156767][ T3767] inet6_addr_add+0x30e/0xa40 [ 2716.156767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.156767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.156767][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.156767][ T3767] netlink_unicast+0x449/0x710 [ 2716.156767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.156767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.156767][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.156767][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.156767][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.156767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.156767][ T3767] [ 2716.158984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2716.158984][ T3767] netdev_get_by_index+0x5e/0x80 [ 2716.158984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2716.158984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2716.158984][ T3767] ip6_route_add+0x1c/0x140 [ 2716.158984][ T3767] addrconf_add_mroute+0x129/0x180 [ 2716.158984][ T3767] addrconf_add_dev+0xe2/0x170 [ 2716.158984][ T3767] inet6_addr_add+0x12f/0xa40 [ 2716.158984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2716.158984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.158984][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.158984][ T3767] netlink_unicast+0x449/0x710 [ 2716.158984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.158984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.158984][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.158984][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.158984][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.158984][ T3767] [ 2716.161147][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2716.161147][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2716.161147][ T3767] ipv6_find_idev+0x102/0x170 [ 2716.161147][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2716.161147][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.161147][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.161147][ T3767] netlink_unicast+0x449/0x710 [ 2716.161147][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.161147][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.161147][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.161147][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.161147][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.161147][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.161147][ T3767] [ 2716.162854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2716.162854][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2716.162854][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2716.162854][ T3767] ipv6_find_idev+0x102/0x170 [ 2716.162854][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2716.162854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2716.162854][ T3767] netlink_rcv_skb+0x130/0x360 [ 2716.162854][ T3767] netlink_unicast+0x449/0x710 [ 2716.162854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2716.162854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2716.162854][ T3767] ___sys_sendmsg+0xee/0x170 [ 2716.162854][ T3767] __sys_sendmsg+0xcd/0x170 [ 2716.162854][ T3767] do_syscall_64+0xc6/0x1e0 [ 2716.162854][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2716.162854][ T3767] [ 2726.399907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2726.400656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2726.400656][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2726.400656][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2726.400656][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2726.400656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2726.400656][ T3767] ip6_route_add+0x1c/0x140 [ 2726.400656][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2726.400656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.400656][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.400656][ T3767] netlink_unicast+0x449/0x710 [ 2726.400656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.400656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.400656][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.400656][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.400656][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.400656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.400656][ T3767] [ 2726.403976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2726.403976][ T3767] netdev_get_by_index+0x5e/0x80 [ 2726.403976][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2726.403976][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2726.403976][ T3767] ip6_route_add+0x1c/0x140 [ 2726.403976][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2726.403976][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2726.403976][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.403976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.403976][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.403976][ T3767] netlink_unicast+0x449/0x710 [ 2726.403976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.403976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.403976][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.403976][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.403976][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.403976][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.403976][ T3767] [ 2726.407449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2726.407449][ T3767] netdev_get_by_index+0x5e/0x80 [ 2726.407449][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2726.407449][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2726.407449][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2726.407449][ T3767] ipv6_add_addr+0x411/0x2000 [ 2726.407449][ T3767] inet6_addr_add+0x30e/0xa40 [ 2726.407449][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.407449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.407449][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.407449][ T3767] netlink_unicast+0x449/0x710 [ 2726.407449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.407449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.407449][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.407449][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.407449][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.407449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.407449][ T3767] [ 2726.410854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2726.410854][ T3767] netdev_get_by_index+0x5e/0x80 [ 2726.410854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2726.410854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2726.410854][ T3767] ip6_route_add+0x1c/0x140 [ 2726.410854][ T3767] addrconf_add_mroute+0x129/0x180 [ 2726.410854][ T3767] addrconf_add_dev+0xe2/0x170 [ 2726.410854][ T3767] inet6_addr_add+0x12f/0xa40 [ 2726.410854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2726.410854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.410854][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.410854][ T3767] netlink_unicast+0x449/0x710 [ 2726.410854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.410854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.410854][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.410854][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.410854][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.410854][ T3767] [ 2726.414356][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2726.414356][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2726.414356][ T3767] ipv6_find_idev+0x102/0x170 [ 2726.414356][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2726.414356][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.414356][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.414356][ T3767] netlink_unicast+0x449/0x710 [ 2726.414356][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.414356][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.414356][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.414356][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.414356][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.414356][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.414356][ T3767] [ 2726.417096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2726.417096][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2726.417096][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2726.417096][ T3767] ipv6_find_idev+0x102/0x170 [ 2726.417096][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2726.417096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2726.417096][ T3767] netlink_rcv_skb+0x130/0x360 [ 2726.417096][ T3767] netlink_unicast+0x449/0x710 [ 2726.417096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2726.417096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2726.417096][ T3767] ___sys_sendmsg+0xee/0x170 [ 2726.417096][ T3767] __sys_sendmsg+0xcd/0x170 [ 2726.417096][ T3767] do_syscall_64+0xc6/0x1e0 [ 2726.417096][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2726.417096][ T3767] [ 2736.655951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2736.656416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2736.656416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2736.656416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2736.656416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2736.656416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2736.656416][ T3767] ip6_route_add+0x1c/0x140 [ 2736.656416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2736.656416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.656416][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.656416][ T3767] netlink_unicast+0x449/0x710 [ 2736.656416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.656416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.656416][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.656416][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.656416][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.656416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.656416][ T3767] [ 2736.658485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2736.658485][ T3767] netdev_get_by_index+0x5e/0x80 [ 2736.658485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2736.658485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2736.658485][ T3767] ip6_route_add+0x1c/0x140 [ 2736.658485][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2736.658485][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2736.658485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.658485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.658485][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.658485][ T3767] netlink_unicast+0x449/0x710 [ 2736.658485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.658485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.658485][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.658485][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.658485][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.658485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.658485][ T3767] [ 2736.660671][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2736.660671][ T3767] netdev_get_by_index+0x5e/0x80 [ 2736.660671][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2736.660671][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2736.660671][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2736.660671][ T3767] ipv6_add_addr+0x411/0x2000 [ 2736.660671][ T3767] inet6_addr_add+0x30e/0xa40 [ 2736.660671][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.660671][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.660671][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.660671][ T3767] netlink_unicast+0x449/0x710 [ 2736.660671][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.660671][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.660671][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.660671][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.660671][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.660671][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.660671][ T3767] [ 2736.662846][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2736.662846][ T3767] netdev_get_by_index+0x5e/0x80 [ 2736.662846][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2736.662846][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2736.662846][ T3767] ip6_route_add+0x1c/0x140 [ 2736.662846][ T3767] addrconf_add_mroute+0x129/0x180 [ 2736.662846][ T3767] addrconf_add_dev+0xe2/0x170 [ 2736.662846][ T3767] inet6_addr_add+0x12f/0xa40 [ 2736.662846][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2736.662846][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.662846][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.662846][ T3767] netlink_unicast+0x449/0x710 [ 2736.662846][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.662846][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.662846][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.662846][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.662846][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.662846][ T3767] [ 2736.665020][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2736.665020][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2736.665020][ T3767] ipv6_find_idev+0x102/0x170 [ 2736.665020][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.665020][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.665020][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.665020][ T3767] netlink_unicast+0x449/0x710 [ 2736.665020][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.665020][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.665020][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.665020][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.665020][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.665020][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.665020][ T3767] [ 2736.666756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2736.666756][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2736.666756][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2736.666756][ T3767] ipv6_find_idev+0x102/0x170 [ 2736.666756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2736.666756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2736.666756][ T3767] netlink_rcv_skb+0x130/0x360 [ 2736.666756][ T3767] netlink_unicast+0x449/0x710 [ 2736.666756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2736.666756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2736.666756][ T3767] ___sys_sendmsg+0xee/0x170 [ 2736.666756][ T3767] __sys_sendmsg+0xcd/0x170 [ 2736.666756][ T3767] do_syscall_64+0xc6/0x1e0 [ 2736.666756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2736.666756][ T3767] [ 2746.911968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2746.912459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2746.912459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2746.912459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2746.912459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2746.912459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2746.912459][ T3767] ip6_route_add+0x1c/0x140 [ 2746.912459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2746.912459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.912459][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.912459][ T3767] netlink_unicast+0x449/0x710 [ 2746.912459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.912459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.912459][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.912459][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.912459][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.912459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.912459][ T3767] [ 2746.914581][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2746.914581][ T3767] netdev_get_by_index+0x5e/0x80 [ 2746.914581][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2746.914581][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2746.914581][ T3767] ip6_route_add+0x1c/0x140 [ 2746.914581][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2746.914581][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2746.914581][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.914581][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.914581][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.914581][ T3767] netlink_unicast+0x449/0x710 [ 2746.914581][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.914581][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.914581][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.914581][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.914581][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.914581][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.914581][ T3767] [ 2746.916796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2746.916796][ T3767] netdev_get_by_index+0x5e/0x80 [ 2746.916796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2746.916796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2746.916796][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2746.916796][ T3767] ipv6_add_addr+0x411/0x2000 [ 2746.916796][ T3767] inet6_addr_add+0x30e/0xa40 [ 2746.916796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.916796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.916796][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.916796][ T3767] netlink_unicast+0x449/0x710 [ 2746.916796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.916796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.916796][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.916796][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.916796][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.916796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.916796][ T3767] [ 2746.918997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2746.918997][ T3767] netdev_get_by_index+0x5e/0x80 [ 2746.918997][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2746.918997][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2746.918997][ T3767] ip6_route_add+0x1c/0x140 [ 2746.918997][ T3767] addrconf_add_mroute+0x129/0x180 [ 2746.918997][ T3767] addrconf_add_dev+0xe2/0x170 [ 2746.918997][ T3767] inet6_addr_add+0x12f/0xa40 [ 2746.918997][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2746.918997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.918997][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.918997][ T3767] netlink_unicast+0x449/0x710 [ 2746.918997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.918997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.918997][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.918997][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.918997][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.918997][ T3767] [ 2746.921647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2746.921647][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2746.921647][ T3767] ipv6_find_idev+0x102/0x170 [ 2746.921647][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.921647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.921647][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.921647][ T3767] netlink_unicast+0x449/0x710 [ 2746.921647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.921647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.921647][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.921647][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.921647][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.921647][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.921647][ T3767] [ 2746.923340][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2746.923340][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2746.923340][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2746.923340][ T3767] ipv6_find_idev+0x102/0x170 [ 2746.923340][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2746.923340][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2746.923340][ T3767] netlink_rcv_skb+0x130/0x360 [ 2746.923340][ T3767] netlink_unicast+0x449/0x710 [ 2746.923340][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2746.923340][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2746.923340][ T3767] ___sys_sendmsg+0xee/0x170 [ 2746.923340][ T3767] __sys_sendmsg+0xcd/0x170 [ 2746.923340][ T3767] do_syscall_64+0xc6/0x1e0 [ 2746.923340][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2746.923340][ T3767] [ 2756.991946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2756.992401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2756.992401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2756.992401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2756.992401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2756.992401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2756.992401][ T3767] ip6_route_add+0x1c/0x140 [ 2756.992401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2756.992401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.992401][ T3767] netlink_rcv_skb+0x130/0x360 [ 2756.992401][ T3767] netlink_unicast+0x449/0x710 [ 2756.992401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2756.992401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2756.992401][ T3767] ___sys_sendmsg+0xee/0x170 [ 2756.992401][ T3767] __sys_sendmsg+0xcd/0x170 [ 2756.992401][ T3767] do_syscall_64+0xc6/0x1e0 [ 2756.992401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.992401][ T3767] [ 2756.994479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2756.994479][ T3767] netdev_get_by_index+0x5e/0x80 [ 2756.994479][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2756.994479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2756.994479][ T3767] ip6_route_add+0x1c/0x140 [ 2756.994479][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2756.994479][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2756.994479][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.994479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.994479][ T3767] netlink_rcv_skb+0x130/0x360 [ 2756.994479][ T3767] netlink_unicast+0x449/0x710 [ 2756.994479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2756.994479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2756.994479][ T3767] ___sys_sendmsg+0xee/0x170 [ 2756.994479][ T3767] __sys_sendmsg+0xcd/0x170 [ 2756.994479][ T3767] do_syscall_64+0xc6/0x1e0 [ 2756.994479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.994479][ T3767] [ 2756.996662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2756.996662][ T3767] netdev_get_by_index+0x5e/0x80 [ 2756.996662][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2756.996662][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2756.996662][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2756.996662][ T3767] ipv6_add_addr+0x411/0x2000 [ 2756.996662][ T3767] inet6_addr_add+0x30e/0xa40 [ 2756.996662][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.996662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.996662][ T3767] netlink_rcv_skb+0x130/0x360 [ 2756.996662][ T3767] netlink_unicast+0x449/0x710 [ 2756.996662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2756.996662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2756.996662][ T3767] ___sys_sendmsg+0xee/0x170 [ 2756.996662][ T3767] __sys_sendmsg+0xcd/0x170 [ 2756.996662][ T3767] do_syscall_64+0xc6/0x1e0 [ 2756.996662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2756.996662][ T3767] [ 2756.998840][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2756.998840][ T3767] netdev_get_by_index+0x5e/0x80 [ 2756.998840][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2756.998840][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2756.998840][ T3767] ip6_route_add+0x1c/0x140 [ 2756.998840][ T3767] addrconf_add_mroute+0x129/0x180 [ 2756.998840][ T3767] addrconf_add_dev+0xe2/0x170 [ 2756.998840][ T3767] inet6_addr_add+0x12f/0xa40 [ 2756.998840][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2756.998840][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2756.998840][ T3767] netlink_rcv_skb+0x130/0x360 [ 2756.998840][ T3767] netlink_unicast+0x449/0x710 [ 2756.998840][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2756.998840][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2756.998840][ T3767] ___sys_sendmsg+0xee/0x170 [ 2756.998840][ T3767] __sys_sendmsg+0xcd/0x170 [ 2756.998840][ T3767] do_syscall_64+0xc6/0x1e0 [ 2756.998840][ T3767] [ 2757.000979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2757.000979][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2757.000979][ T3767] ipv6_find_idev+0x102/0x170 [ 2757.000979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2757.000979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.000979][ T3767] netlink_rcv_skb+0x130/0x360 [ 2757.000979][ T3767] netlink_unicast+0x449/0x710 [ 2757.000979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2757.000979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2757.000979][ T3767] ___sys_sendmsg+0xee/0x170 [ 2757.000979][ T3767] __sys_sendmsg+0xcd/0x170 [ 2757.000979][ T3767] do_syscall_64+0xc6/0x1e0 [ 2757.000979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.000979][ T3767] [ 2757.002655][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2757.002655][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2757.002655][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2757.002655][ T3767] ipv6_find_idev+0x102/0x170 [ 2757.002655][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2757.002655][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2757.002655][ T3767] netlink_rcv_skb+0x130/0x360 [ 2757.002655][ T3767] netlink_unicast+0x449/0x710 [ 2757.002655][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2757.002655][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2757.002655][ T3767] ___sys_sendmsg+0xee/0x170 [ 2757.002655][ T3767] __sys_sendmsg+0xcd/0x170 [ 2757.002655][ T3767] do_syscall_64+0xc6/0x1e0 [ 2757.002655][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2757.002655][ T3767] [ 2767.039994][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2767.040533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2767.040533][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2767.040533][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2767.040533][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2767.040533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2767.040533][ T3767] ip6_route_add+0x1c/0x140 [ 2767.040533][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2767.040533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.040533][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.040533][ T3767] netlink_unicast+0x449/0x710 [ 2767.040533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.040533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.040533][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.040533][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.040533][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.040533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.040533][ T3767] [ 2767.042606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2767.042606][ T3767] netdev_get_by_index+0x5e/0x80 [ 2767.042606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2767.042606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2767.042606][ T3767] ip6_route_add+0x1c/0x140 [ 2767.042606][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2767.042606][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2767.042606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.042606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.042606][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.042606][ T3767] netlink_unicast+0x449/0x710 [ 2767.042606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.042606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.042606][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.042606][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.042606][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.042606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.042606][ T3767] [ 2767.044789][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2767.044789][ T3767] netdev_get_by_index+0x5e/0x80 [ 2767.044789][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2767.044789][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2767.044789][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2767.044789][ T3767] ipv6_add_addr+0x411/0x2000 [ 2767.044789][ T3767] inet6_addr_add+0x30e/0xa40 [ 2767.044789][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.044789][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.044789][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.044789][ T3767] netlink_unicast+0x449/0x710 [ 2767.044789][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.044789][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.044789][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.044789][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.044789][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.044789][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.044789][ T3767] [ 2767.046962][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2767.046962][ T3767] netdev_get_by_index+0x5e/0x80 [ 2767.046962][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2767.046962][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2767.046962][ T3767] ip6_route_add+0x1c/0x140 [ 2767.046962][ T3767] addrconf_add_mroute+0x129/0x180 [ 2767.046962][ T3767] addrconf_add_dev+0xe2/0x170 [ 2767.046962][ T3767] inet6_addr_add+0x12f/0xa40 [ 2767.046962][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2767.046962][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.046962][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.046962][ T3767] netlink_unicast+0x449/0x710 [ 2767.046962][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.046962][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.046962][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.046962][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.046962][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.046962][ T3767] [ 2767.049110][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2767.049110][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2767.049110][ T3767] ipv6_find_idev+0x102/0x170 [ 2767.049110][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2767.049110][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.049110][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.049110][ T3767] netlink_unicast+0x449/0x710 [ 2767.049110][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.049110][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.049110][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.049110][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.049110][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.049110][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.049110][ T3767] [ 2767.050786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2767.050786][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2767.050786][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2767.050786][ T3767] ipv6_find_idev+0x102/0x170 [ 2767.050786][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2767.050786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2767.050786][ T3767] netlink_rcv_skb+0x130/0x360 [ 2767.050786][ T3767] netlink_unicast+0x449/0x710 [ 2767.050786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2767.050786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2767.050786][ T3767] ___sys_sendmsg+0xee/0x170 [ 2767.050786][ T3767] __sys_sendmsg+0xcd/0x170 [ 2767.050786][ T3767] do_syscall_64+0xc6/0x1e0 [ 2767.050786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2767.050786][ T3767] [ 2777.103893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2777.104352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2777.104352][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2777.104352][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2777.104352][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2777.104352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2777.104352][ T3767] ip6_route_add+0x1c/0x140 [ 2777.104352][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2777.104352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.104352][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.104352][ T3767] netlink_unicast+0x449/0x710 [ 2777.104352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.104352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.104352][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.104352][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.104352][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.104352][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.104352][ T3767] [ 2777.106635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2777.106635][ T3767] netdev_get_by_index+0x5e/0x80 [ 2777.106635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2777.106635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2777.106635][ T3767] ip6_route_add+0x1c/0x140 [ 2777.106635][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2777.106635][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2777.106635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.106635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.106635][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.106635][ T3767] netlink_unicast+0x449/0x710 [ 2777.106635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.106635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.106635][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.106635][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.106635][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.106635][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.106635][ T3767] [ 2777.109078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2777.109078][ T3767] netdev_get_by_index+0x5e/0x80 [ 2777.109078][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2777.109078][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2777.109078][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2777.109078][ T3767] ipv6_add_addr+0x411/0x2000 [ 2777.109078][ T3767] inet6_addr_add+0x30e/0xa40 [ 2777.109078][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.109078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.109078][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.109078][ T3767] netlink_unicast+0x449/0x710 [ 2777.109078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.109078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.109078][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.109078][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.109078][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.109078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.109078][ T3767] [ 2777.111494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2777.111494][ T3767] netdev_get_by_index+0x5e/0x80 [ 2777.111494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2777.111494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2777.111494][ T3767] ip6_route_add+0x1c/0x140 [ 2777.111494][ T3767] addrconf_add_mroute+0x129/0x180 [ 2777.111494][ T3767] addrconf_add_dev+0xe2/0x170 [ 2777.111494][ T3767] inet6_addr_add+0x12f/0xa40 [ 2777.111494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2777.111494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.111494][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.111494][ T3767] netlink_unicast+0x449/0x710 [ 2777.111494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.111494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.111494][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.111494][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.111494][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.111494][ T3767] [ 2777.113892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2777.113892][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2777.113892][ T3767] ipv6_find_idev+0x102/0x170 [ 2777.113892][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.113892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.113892][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.113892][ T3767] netlink_unicast+0x449/0x710 [ 2777.113892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.113892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.113892][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.113892][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.113892][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.113892][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.113892][ T3767] [ 2777.115770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2777.115770][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2777.115770][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2777.115770][ T3767] ipv6_find_idev+0x102/0x170 [ 2777.115770][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2777.115770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2777.115770][ T3767] netlink_rcv_skb+0x130/0x360 [ 2777.115770][ T3767] netlink_unicast+0x449/0x710 [ 2777.115770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2777.115770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2777.115770][ T3767] ___sys_sendmsg+0xee/0x170 [ 2777.115770][ T3767] __sys_sendmsg+0xcd/0x170 [ 2777.115770][ T3767] do_syscall_64+0xc6/0x1e0 [ 2777.115770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2777.115770][ T3767] [ 2787.359943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2787.360407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2787.360407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2787.360407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2787.360407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2787.360407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2787.360407][ T3767] ip6_route_add+0x1c/0x140 [ 2787.360407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2787.360407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.360407][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.360407][ T3767] netlink_unicast+0x449/0x710 [ 2787.360407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.360407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.360407][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.360407][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.360407][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.360407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.360407][ T3767] [ 2787.362474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2787.362474][ T3767] netdev_get_by_index+0x5e/0x80 [ 2787.362474][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2787.362474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2787.362474][ T3767] ip6_route_add+0x1c/0x140 [ 2787.362474][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2787.362474][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2787.362474][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.362474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.362474][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.362474][ T3767] netlink_unicast+0x449/0x710 [ 2787.362474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.362474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.362474][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.362474][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.362474][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.362474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.362474][ T3767] [ 2787.364764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2787.364764][ T3767] netdev_get_by_index+0x5e/0x80 [ 2787.364764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2787.364764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2787.364764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2787.364764][ T3767] ipv6_add_addr+0x411/0x2000 [ 2787.364764][ T3767] inet6_addr_add+0x30e/0xa40 [ 2787.364764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.364764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.364764][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.364764][ T3767] netlink_unicast+0x449/0x710 [ 2787.364764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.364764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.364764][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.364764][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.364764][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.364764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.364764][ T3767] [ 2787.366954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2787.366954][ T3767] netdev_get_by_index+0x5e/0x80 [ 2787.366954][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2787.366954][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2787.366954][ T3767] ip6_route_add+0x1c/0x140 [ 2787.366954][ T3767] addrconf_add_mroute+0x129/0x180 [ 2787.366954][ T3767] addrconf_add_dev+0xe2/0x170 [ 2787.366954][ T3767] inet6_addr_add+0x12f/0xa40 [ 2787.366954][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2787.366954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.366954][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.366954][ T3767] netlink_unicast+0x449/0x710 [ 2787.366954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.366954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.366954][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.366954][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.366954][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.366954][ T3767] [ 2787.369100][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2787.369100][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2787.369100][ T3767] ipv6_find_idev+0x102/0x170 [ 2787.369100][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.369100][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.369100][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.369100][ T3767] netlink_unicast+0x449/0x710 [ 2787.369100][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.369100][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.369100][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.369100][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.369100][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.369100][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.369100][ T3767] [ 2787.370783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2787.370783][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2787.370783][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2787.370783][ T3767] ipv6_find_idev+0x102/0x170 [ 2787.370783][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2787.370783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2787.370783][ T3767] netlink_rcv_skb+0x130/0x360 [ 2787.370783][ T3767] netlink_unicast+0x449/0x710 [ 2787.370783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2787.370783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2787.370783][ T3767] ___sys_sendmsg+0xee/0x170 [ 2787.370783][ T3767] __sys_sendmsg+0xcd/0x170 [ 2787.370783][ T3767] do_syscall_64+0xc6/0x1e0 [ 2787.370783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2787.370783][ T3767] [ 2797.607938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2797.608402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2797.608402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2797.608402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2797.608402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2797.608402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2797.608402][ T3767] ip6_route_add+0x1c/0x140 [ 2797.608402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2797.608402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.608402][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.608402][ T3767] netlink_unicast+0x449/0x710 [ 2797.608402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.608402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.608402][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.608402][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.608402][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.608402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.608402][ T3767] [ 2797.610482][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2797.610482][ T3767] netdev_get_by_index+0x5e/0x80 [ 2797.610482][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2797.610482][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2797.610482][ T3767] ip6_route_add+0x1c/0x140 [ 2797.610482][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2797.610482][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2797.610482][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.610482][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.610482][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.610482][ T3767] netlink_unicast+0x449/0x710 [ 2797.610482][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.610482][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.610482][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.610482][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.610482][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.610482][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.610482][ T3767] [ 2797.612672][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2797.612672][ T3767] netdev_get_by_index+0x5e/0x80 [ 2797.612672][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2797.612672][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2797.612672][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2797.612672][ T3767] ipv6_add_addr+0x411/0x2000 [ 2797.612672][ T3767] inet6_addr_add+0x30e/0xa40 [ 2797.612672][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.612672][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.612672][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.612672][ T3767] netlink_unicast+0x449/0x710 [ 2797.612672][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.612672][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.612672][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.612672][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.612672][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.612672][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.612672][ T3767] [ 2797.614862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2797.614862][ T3767] netdev_get_by_index+0x5e/0x80 [ 2797.614862][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2797.614862][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2797.614862][ T3767] ip6_route_add+0x1c/0x140 [ 2797.614862][ T3767] addrconf_add_mroute+0x129/0x180 [ 2797.614862][ T3767] addrconf_add_dev+0xe2/0x170 [ 2797.614862][ T3767] inet6_addr_add+0x12f/0xa40 [ 2797.614862][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2797.614862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.614862][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.614862][ T3767] netlink_unicast+0x449/0x710 [ 2797.614862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.614862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.614862][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.614862][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.614862][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.614862][ T3767] [ 2797.617003][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2797.617003][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2797.617003][ T3767] ipv6_find_idev+0x102/0x170 [ 2797.617003][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.617003][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.617003][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.617003][ T3767] netlink_unicast+0x449/0x710 [ 2797.617003][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.617003][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.617003][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.617003][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.617003][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.617003][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.617003][ T3767] [ 2797.618684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2797.618684][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2797.618684][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2797.618684][ T3767] ipv6_find_idev+0x102/0x170 [ 2797.618684][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2797.618684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2797.618684][ T3767] netlink_rcv_skb+0x130/0x360 [ 2797.618684][ T3767] netlink_unicast+0x449/0x710 [ 2797.618684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2797.618684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2797.618684][ T3767] ___sys_sendmsg+0xee/0x170 [ 2797.618684][ T3767] __sys_sendmsg+0xcd/0x170 [ 2797.618684][ T3767] do_syscall_64+0xc6/0x1e0 [ 2797.618684][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2797.618684][ T3767] [ 2807.840058][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2807.840475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2807.840475][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2807.840475][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2807.840475][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2807.840475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2807.840475][ T3767] ip6_route_add+0x1c/0x140 [ 2807.840475][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2807.840475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.840475][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.840475][ T3767] netlink_unicast+0x449/0x710 [ 2807.840475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.840475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.840475][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.840475][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.840475][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.840475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.840475][ T3767] [ 2807.842548][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2807.842548][ T3767] netdev_get_by_index+0x5e/0x80 [ 2807.842548][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2807.842548][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2807.842548][ T3767] ip6_route_add+0x1c/0x140 [ 2807.842548][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2807.842548][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2807.842548][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.842548][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.842548][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.842548][ T3767] netlink_unicast+0x449/0x710 [ 2807.842548][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.842548][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.842548][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.842548][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.842548][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.842548][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.842548][ T3767] [ 2807.844735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2807.844735][ T3767] netdev_get_by_index+0x5e/0x80 [ 2807.844735][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2807.844735][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2807.844735][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2807.844735][ T3767] ipv6_add_addr+0x411/0x2000 [ 2807.844735][ T3767] inet6_addr_add+0x30e/0xa40 [ 2807.844735][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.844735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.844735][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.844735][ T3767] netlink_unicast+0x449/0x710 [ 2807.844735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.844735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.844735][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.844735][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.844735][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.844735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.844735][ T3767] [ 2807.846909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2807.846909][ T3767] netdev_get_by_index+0x5e/0x80 [ 2807.846909][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2807.846909][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2807.846909][ T3767] ip6_route_add+0x1c/0x140 [ 2807.846909][ T3767] addrconf_add_mroute+0x129/0x180 [ 2807.846909][ T3767] addrconf_add_dev+0xe2/0x170 [ 2807.846909][ T3767] inet6_addr_add+0x12f/0xa40 [ 2807.846909][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2807.846909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.846909][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.846909][ T3767] netlink_unicast+0x449/0x710 [ 2807.846909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.846909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.846909][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.846909][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.846909][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.846909][ T3767] [ 2807.849046][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2807.849046][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2807.849046][ T3767] ipv6_find_idev+0x102/0x170 [ 2807.849046][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.849046][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.849046][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.849046][ T3767] netlink_unicast+0x449/0x710 [ 2807.849046][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.849046][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.849046][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.849046][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.849046][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.849046][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.849046][ T3767] [ 2807.850721][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2807.850721][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2807.850721][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2807.850721][ T3767] ipv6_find_idev+0x102/0x170 [ 2807.850721][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2807.850721][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2807.850721][ T3767] netlink_rcv_skb+0x130/0x360 [ 2807.850721][ T3767] netlink_unicast+0x449/0x710 [ 2807.850721][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2807.850721][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2807.850721][ T3767] ___sys_sendmsg+0xee/0x170 [ 2807.850721][ T3767] __sys_sendmsg+0xcd/0x170 [ 2807.850721][ T3767] do_syscall_64+0xc6/0x1e0 [ 2807.850721][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2807.850721][ T3767] [ 2818.087955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2818.088437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2818.088437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2818.088437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2818.088437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2818.088437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2818.088437][ T3767] ip6_route_add+0x1c/0x140 [ 2818.088437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2818.088437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.088437][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.088437][ T3767] netlink_unicast+0x449/0x710 [ 2818.088437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.088437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.088437][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.088437][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.088437][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.088437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.088437][ T3767] [ 2818.090548][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2818.090548][ T3767] netdev_get_by_index+0x5e/0x80 [ 2818.090548][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2818.090548][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2818.090548][ T3767] ip6_route_add+0x1c/0x140 [ 2818.090548][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2818.090548][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2818.090548][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.090548][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.090548][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.090548][ T3767] netlink_unicast+0x449/0x710 [ 2818.090548][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.090548][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.090548][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.090548][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.090548][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.090548][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.090548][ T3767] [ 2818.092754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2818.092754][ T3767] netdev_get_by_index+0x5e/0x80 [ 2818.092754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2818.092754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2818.092754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2818.092754][ T3767] ipv6_add_addr+0x411/0x2000 [ 2818.092754][ T3767] inet6_addr_add+0x30e/0xa40 [ 2818.092754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.092754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.092754][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.092754][ T3767] netlink_unicast+0x449/0x710 [ 2818.092754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.092754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.092754][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.092754][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.092754][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.092754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.092754][ T3767] [ 2818.094977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2818.094977][ T3767] netdev_get_by_index+0x5e/0x80 [ 2818.094977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2818.094977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2818.094977][ T3767] ip6_route_add+0x1c/0x140 [ 2818.094977][ T3767] addrconf_add_mroute+0x129/0x180 [ 2818.094977][ T3767] addrconf_add_dev+0xe2/0x170 [ 2818.094977][ T3767] inet6_addr_add+0x12f/0xa40 [ 2818.094977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2818.094977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.094977][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.094977][ T3767] netlink_unicast+0x449/0x710 [ 2818.094977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.094977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.094977][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.094977][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.094977][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.094977][ T3767] [ 2818.097173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2818.097173][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2818.097173][ T3767] ipv6_find_idev+0x102/0x170 [ 2818.097173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2818.097173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.097173][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.097173][ T3767] netlink_unicast+0x449/0x710 [ 2818.097173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.097173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.097173][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.097173][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.097173][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.097173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.097173][ T3767] [ 2818.098864][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2818.098864][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2818.098864][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2818.098864][ T3767] ipv6_find_idev+0x102/0x170 [ 2818.098864][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2818.098864][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2818.098864][ T3767] netlink_rcv_skb+0x130/0x360 [ 2818.098864][ T3767] netlink_unicast+0x449/0x710 [ 2818.098864][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2818.098864][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2818.098864][ T3767] ___sys_sendmsg+0xee/0x170 [ 2818.098864][ T3767] __sys_sendmsg+0xcd/0x170 [ 2818.098864][ T3767] do_syscall_64+0xc6/0x1e0 [ 2818.098864][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2818.098864][ T3767] [ 2828.335965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2828.336440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2828.336440][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2828.336440][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2828.336440][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2828.336440][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2828.336440][ T3767] ip6_route_add+0x1c/0x140 [ 2828.336440][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2828.336440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.336440][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.336440][ T3767] netlink_unicast+0x449/0x710 [ 2828.336440][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.336440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.336440][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.336440][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.336440][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.336440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.336440][ T3767] [ 2828.338518][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2828.338518][ T3767] netdev_get_by_index+0x5e/0x80 [ 2828.338518][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2828.338518][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2828.338518][ T3767] ip6_route_add+0x1c/0x140 [ 2828.338518][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2828.338518][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2828.338518][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.338518][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.338518][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.338518][ T3767] netlink_unicast+0x449/0x710 [ 2828.338518][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.338518][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.338518][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.338518][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.338518][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.338518][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.338518][ T3767] [ 2828.340707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2828.340707][ T3767] netdev_get_by_index+0x5e/0x80 [ 2828.340707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2828.340707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2828.340707][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2828.340707][ T3767] ipv6_add_addr+0x411/0x2000 [ 2828.340707][ T3767] inet6_addr_add+0x30e/0xa40 [ 2828.340707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.340707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.340707][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.340707][ T3767] netlink_unicast+0x449/0x710 [ 2828.340707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.340707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.340707][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.340707][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.340707][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.340707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.340707][ T3767] [ 2828.342899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2828.342899][ T3767] netdev_get_by_index+0x5e/0x80 [ 2828.342899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2828.342899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2828.342899][ T3767] ip6_route_add+0x1c/0x140 [ 2828.342899][ T3767] addrconf_add_mroute+0x129/0x180 [ 2828.342899][ T3767] addrconf_add_dev+0xe2/0x170 [ 2828.342899][ T3767] inet6_addr_add+0x12f/0xa40 [ 2828.342899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2828.342899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.342899][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.342899][ T3767] netlink_unicast+0x449/0x710 [ 2828.342899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.342899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.342899][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.342899][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.342899][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.342899][ T3767] [ 2828.345061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2828.345061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2828.345061][ T3767] ipv6_find_idev+0x102/0x170 [ 2828.345061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.345061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.345061][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.345061][ T3767] netlink_unicast+0x449/0x710 [ 2828.345061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.345061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.345061][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.345061][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.345061][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.345061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.345061][ T3767] [ 2828.346777][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2828.346777][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2828.346777][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2828.346777][ T3767] ipv6_find_idev+0x102/0x170 [ 2828.346777][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2828.346777][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2828.346777][ T3767] netlink_rcv_skb+0x130/0x360 [ 2828.346777][ T3767] netlink_unicast+0x449/0x710 [ 2828.346777][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2828.346777][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2828.346777][ T3767] ___sys_sendmsg+0xee/0x170 [ 2828.346777][ T3767] __sys_sendmsg+0xcd/0x170 [ 2828.346777][ T3767] do_syscall_64+0xc6/0x1e0 [ 2828.346777][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2828.346777][ T3767] [ 2838.591961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2838.592429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2838.592429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2838.592429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2838.592429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2838.592429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2838.592429][ T3767] ip6_route_add+0x1c/0x140 [ 2838.592429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2838.592429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.592429][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.592429][ T3767] netlink_unicast+0x449/0x710 [ 2838.592429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.592429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.592429][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.592429][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.592429][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.592429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.592429][ T3767] [ 2838.594670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2838.594670][ T3767] netdev_get_by_index+0x5e/0x80 [ 2838.594670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2838.594670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2838.594670][ T3767] ip6_route_add+0x1c/0x140 [ 2838.594670][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2838.594670][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2838.594670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.594670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.594670][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.594670][ T3767] netlink_unicast+0x449/0x710 [ 2838.594670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.594670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.594670][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.594670][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.594670][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.594670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.594670][ T3767] [ 2838.597010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2838.597010][ T3767] netdev_get_by_index+0x5e/0x80 [ 2838.597010][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2838.597010][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2838.597010][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2838.597010][ T3767] ipv6_add_addr+0x411/0x2000 [ 2838.597010][ T3767] inet6_addr_add+0x30e/0xa40 [ 2838.597010][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.597010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.597010][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.597010][ T3767] netlink_unicast+0x449/0x710 [ 2838.597010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.597010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.597010][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.597010][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.597010][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.597010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.597010][ T3767] [ 2838.599361][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2838.599361][ T3767] netdev_get_by_index+0x5e/0x80 [ 2838.599361][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2838.599361][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2838.599361][ T3767] ip6_route_add+0x1c/0x140 [ 2838.599361][ T3767] addrconf_add_mroute+0x129/0x180 [ 2838.599361][ T3767] addrconf_add_dev+0xe2/0x170 [ 2838.599361][ T3767] inet6_addr_add+0x12f/0xa40 [ 2838.599361][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2838.599361][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.599361][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.599361][ T3767] netlink_unicast+0x449/0x710 [ 2838.599361][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.599361][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.599361][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.599361][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.599361][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.599361][ T3767] [ 2838.601650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2838.601650][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2838.601650][ T3767] ipv6_find_idev+0x102/0x170 [ 2838.601650][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.601650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.601650][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.601650][ T3767] netlink_unicast+0x449/0x710 [ 2838.601650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.601650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.601650][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.601650][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.601650][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.601650][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.601650][ T3767] [ 2838.603448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2838.603448][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2838.603448][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2838.603448][ T3767] ipv6_find_idev+0x102/0x170 [ 2838.603448][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2838.603448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2838.603448][ T3767] netlink_rcv_skb+0x130/0x360 [ 2838.603448][ T3767] netlink_unicast+0x449/0x710 [ 2838.603448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2838.603448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2838.603448][ T3767] ___sys_sendmsg+0xee/0x170 [ 2838.603448][ T3767] __sys_sendmsg+0xcd/0x170 [ 2838.603448][ T3767] do_syscall_64+0xc6/0x1e0 [ 2838.603448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2838.603448][ T3767] [ 2848.848022][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2848.848439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2848.848439][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2848.848439][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2848.848439][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2848.848439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2848.848439][ T3767] ip6_route_add+0x1c/0x140 [ 2848.848439][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2848.848439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.848439][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.848439][ T3767] netlink_unicast+0x449/0x710 [ 2848.848439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.848439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.848439][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.848439][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.848439][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.848439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.848439][ T3767] [ 2848.850573][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2848.850573][ T3767] netdev_get_by_index+0x5e/0x80 [ 2848.850573][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2848.850573][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2848.850573][ T3767] ip6_route_add+0x1c/0x140 [ 2848.850573][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2848.850573][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2848.850573][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.850573][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.850573][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.850573][ T3767] netlink_unicast+0x449/0x710 [ 2848.850573][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.850573][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.850573][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.850573][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.850573][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.850573][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.850573][ T3767] [ 2848.852909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2848.852909][ T3767] netdev_get_by_index+0x5e/0x80 [ 2848.852909][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2848.852909][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2848.852909][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2848.852909][ T3767] ipv6_add_addr+0x411/0x2000 [ 2848.852909][ T3767] inet6_addr_add+0x30e/0xa40 [ 2848.852909][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.852909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.852909][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.852909][ T3767] netlink_unicast+0x449/0x710 [ 2848.852909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.852909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.852909][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.852909][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.852909][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.852909][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.852909][ T3767] [ 2848.855252][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2848.855252][ T3767] netdev_get_by_index+0x5e/0x80 [ 2848.855252][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2848.855252][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2848.855252][ T3767] ip6_route_add+0x1c/0x140 [ 2848.855252][ T3767] addrconf_add_mroute+0x129/0x180 [ 2848.855252][ T3767] addrconf_add_dev+0xe2/0x170 [ 2848.855252][ T3767] inet6_addr_add+0x12f/0xa40 [ 2848.855252][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2848.855252][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.855252][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.855252][ T3767] netlink_unicast+0x449/0x710 [ 2848.855252][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.855252][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.855252][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.855252][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.855252][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.855252][ T3767] [ 2848.857524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2848.857524][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2848.857524][ T3767] ipv6_find_idev+0x102/0x170 [ 2848.857524][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.857524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.857524][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.857524][ T3767] netlink_unicast+0x449/0x710 [ 2848.857524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.857524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.857524][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.857524][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.857524][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.857524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.857524][ T3767] [ 2848.859301][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2848.859301][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2848.859301][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2848.859301][ T3767] ipv6_find_idev+0x102/0x170 [ 2848.859301][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2848.859301][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2848.859301][ T3767] netlink_rcv_skb+0x130/0x360 [ 2848.859301][ T3767] netlink_unicast+0x449/0x710 [ 2848.859301][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2848.859301][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2848.859301][ T3767] ___sys_sendmsg+0xee/0x170 [ 2848.859301][ T3767] __sys_sendmsg+0xcd/0x170 [ 2848.859301][ T3767] do_syscall_64+0xc6/0x1e0 [ 2848.859301][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2848.859301][ T3767] [ 2859.103881][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2859.104333][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2859.104333][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2859.104333][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2859.104333][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2859.104333][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2859.104333][ T3767] ip6_route_add+0x1c/0x140 [ 2859.104333][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2859.104333][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.104333][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.104333][ T3767] netlink_unicast+0x449/0x710 [ 2859.104333][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.104333][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.104333][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.104333][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.104333][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.104333][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.104333][ T3767] [ 2859.106428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2859.106428][ T3767] netdev_get_by_index+0x5e/0x80 [ 2859.106428][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2859.106428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2859.106428][ T3767] ip6_route_add+0x1c/0x140 [ 2859.106428][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2859.106428][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2859.106428][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.106428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.106428][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.106428][ T3767] netlink_unicast+0x449/0x710 [ 2859.106428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.106428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.106428][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.106428][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.106428][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.106428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.106428][ T3767] [ 2859.108850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2859.108850][ T3767] netdev_get_by_index+0x5e/0x80 [ 2859.108850][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2859.108850][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2859.108850][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2859.108850][ T3767] ipv6_add_addr+0x411/0x2000 [ 2859.108850][ T3767] inet6_addr_add+0x30e/0xa40 [ 2859.108850][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.108850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.108850][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.108850][ T3767] netlink_unicast+0x449/0x710 [ 2859.108850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.108850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.108850][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.108850][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.108850][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.108850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.108850][ T3767] [ 2859.111258][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2859.111258][ T3767] netdev_get_by_index+0x5e/0x80 [ 2859.111258][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2859.111258][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2859.111258][ T3767] ip6_route_add+0x1c/0x140 [ 2859.111258][ T3767] addrconf_add_mroute+0x129/0x180 [ 2859.111258][ T3767] addrconf_add_dev+0xe2/0x170 [ 2859.111258][ T3767] inet6_addr_add+0x12f/0xa40 [ 2859.111258][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2859.111258][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.111258][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.111258][ T3767] netlink_unicast+0x449/0x710 [ 2859.111258][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.111258][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.111258][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.111258][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.111258][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.111258][ T3767] [ 2859.113673][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2859.113673][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2859.113673][ T3767] ipv6_find_idev+0x102/0x170 [ 2859.113673][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2859.113673][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.113673][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.113673][ T3767] netlink_unicast+0x449/0x710 [ 2859.113673][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.113673][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.113673][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.113673][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.113673][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.113673][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.113673][ T3767] [ 2859.115528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2859.115528][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2859.115528][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2859.115528][ T3767] ipv6_find_idev+0x102/0x170 [ 2859.115528][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2859.115528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2859.115528][ T3767] netlink_rcv_skb+0x130/0x360 [ 2859.115528][ T3767] netlink_unicast+0x449/0x710 [ 2859.115528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2859.115528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2859.115528][ T3767] ___sys_sendmsg+0xee/0x170 [ 2859.115528][ T3767] __sys_sendmsg+0xcd/0x170 [ 2859.115528][ T3767] do_syscall_64+0xc6/0x1e0 [ 2859.115528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2859.115528][ T3767] [ 2869.359909][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2869.360347][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2869.360347][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2869.360347][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2869.360347][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2869.360347][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2869.360347][ T3767] ip6_route_add+0x1c/0x140 [ 2869.360347][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2869.360347][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.360347][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.360347][ T3767] netlink_unicast+0x449/0x710 [ 2869.360347][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.360347][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.360347][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.360347][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.360347][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.360347][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.360347][ T3767] [ 2869.362605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2869.362605][ T3767] netdev_get_by_index+0x5e/0x80 [ 2869.362605][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2869.362605][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2869.362605][ T3767] ip6_route_add+0x1c/0x140 [ 2869.362605][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2869.362605][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2869.362605][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.362605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.362605][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.362605][ T3767] netlink_unicast+0x449/0x710 [ 2869.362605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.362605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.362605][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.362605][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.362605][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.362605][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.362605][ T3767] [ 2869.364963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2869.364963][ T3767] netdev_get_by_index+0x5e/0x80 [ 2869.364963][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2869.364963][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2869.364963][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2869.364963][ T3767] ipv6_add_addr+0x411/0x2000 [ 2869.364963][ T3767] inet6_addr_add+0x30e/0xa40 [ 2869.364963][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.364963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.364963][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.364963][ T3767] netlink_unicast+0x449/0x710 [ 2869.364963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.364963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.364963][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.364963][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.364963][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.364963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.364963][ T3767] [ 2869.367311][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2869.367311][ T3767] netdev_get_by_index+0x5e/0x80 [ 2869.367311][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2869.367311][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2869.367311][ T3767] ip6_route_add+0x1c/0x140 [ 2869.367311][ T3767] addrconf_add_mroute+0x129/0x180 [ 2869.367311][ T3767] addrconf_add_dev+0xe2/0x170 [ 2869.367311][ T3767] inet6_addr_add+0x12f/0xa40 [ 2869.367311][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2869.367311][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.367311][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.367311][ T3767] netlink_unicast+0x449/0x710 [ 2869.367311][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.367311][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.367311][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.367311][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.367311][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.367311][ T3767] [ 2869.369622][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2869.369622][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2869.369622][ T3767] ipv6_find_idev+0x102/0x170 [ 2869.369622][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.369622][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.369622][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.369622][ T3767] netlink_unicast+0x449/0x710 [ 2869.369622][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.369622][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.369622][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.369622][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.369622][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.369622][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.369622][ T3767] [ 2869.371455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2869.371455][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2869.371455][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2869.371455][ T3767] ipv6_find_idev+0x102/0x170 [ 2869.371455][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2869.371455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2869.371455][ T3767] netlink_rcv_skb+0x130/0x360 [ 2869.371455][ T3767] netlink_unicast+0x449/0x710 [ 2869.371455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2869.371455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2869.371455][ T3767] ___sys_sendmsg+0xee/0x170 [ 2869.371455][ T3767] __sys_sendmsg+0xcd/0x170 [ 2869.371455][ T3767] do_syscall_64+0xc6/0x1e0 [ 2869.371455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2869.371455][ T3767] [ 2879.615979][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2879.616547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2879.616547][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2879.616547][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2879.616547][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2879.616547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2879.616547][ T3767] ip6_route_add+0x1c/0x140 [ 2879.616547][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2879.616547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.616547][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.616547][ T3767] netlink_unicast+0x449/0x710 [ 2879.616547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.616547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.616547][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.616547][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.616547][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.616547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.616547][ T3767] [ 2879.619942][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2879.619942][ T3767] netdev_get_by_index+0x5e/0x80 [ 2879.619942][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2879.619942][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2879.619942][ T3767] ip6_route_add+0x1c/0x140 [ 2879.619942][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2879.619942][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2879.619942][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.619942][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.619942][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.619942][ T3767] netlink_unicast+0x449/0x710 [ 2879.619942][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.619942][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.619942][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.619942][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.619942][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.619942][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.619942][ T3767] [ 2879.623576][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2879.623576][ T3767] netdev_get_by_index+0x5e/0x80 [ 2879.623576][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2879.623576][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2879.623576][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2879.623576][ T3767] ipv6_add_addr+0x411/0x2000 [ 2879.623576][ T3767] inet6_addr_add+0x30e/0xa40 [ 2879.623576][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.623576][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.623576][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.623576][ T3767] netlink_unicast+0x449/0x710 [ 2879.623576][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.623576][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.623576][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.623576][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.623576][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.623576][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.623576][ T3767] [ 2879.627145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2879.627145][ T3767] netdev_get_by_index+0x5e/0x80 [ 2879.627145][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2879.627145][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2879.627145][ T3767] ip6_route_add+0x1c/0x140 [ 2879.627145][ T3767] addrconf_add_mroute+0x129/0x180 [ 2879.627145][ T3767] addrconf_add_dev+0xe2/0x170 [ 2879.627145][ T3767] inet6_addr_add+0x12f/0xa40 [ 2879.627145][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2879.627145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.627145][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.627145][ T3767] netlink_unicast+0x449/0x710 [ 2879.627145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.627145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.627145][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.627145][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.627145][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.627145][ T3767] [ 2879.630645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2879.630645][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2879.630645][ T3767] ipv6_find_idev+0x102/0x170 [ 2879.630645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.630645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.630645][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.630645][ T3767] netlink_unicast+0x449/0x710 [ 2879.630645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.630645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.630645][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.630645][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.630645][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.630645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.630645][ T3767] [ 2879.633394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2879.633394][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2879.633394][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2879.633394][ T3767] ipv6_find_idev+0x102/0x170 [ 2879.633394][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2879.633394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2879.633394][ T3767] netlink_rcv_skb+0x130/0x360 [ 2879.633394][ T3767] netlink_unicast+0x449/0x710 [ 2879.633394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2879.633394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2879.633394][ T3767] ___sys_sendmsg+0xee/0x170 [ 2879.633394][ T3767] __sys_sendmsg+0xcd/0x170 [ 2879.633394][ T3767] do_syscall_64+0xc6/0x1e0 [ 2879.633394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2879.633394][ T3767] [ 2889.751953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2889.752482][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2889.752482][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2889.752482][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2889.752482][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2889.752482][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2889.752482][ T3767] ip6_route_add+0x1c/0x140 [ 2889.752482][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2889.752482][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.752482][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.752482][ T3767] netlink_unicast+0x449/0x710 [ 2889.752482][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.752482][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.752482][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.752482][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.752482][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.752482][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.752482][ T3767] [ 2889.755887][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2889.755887][ T3767] netdev_get_by_index+0x5e/0x80 [ 2889.755887][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2889.755887][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2889.755887][ T3767] ip6_route_add+0x1c/0x140 [ 2889.755887][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2889.755887][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2889.755887][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.755887][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.755887][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.755887][ T3767] netlink_unicast+0x449/0x710 [ 2889.755887][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.755887][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.755887][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.755887][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.755887][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.755887][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.755887][ T3767] [ 2889.759511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2889.759511][ T3767] netdev_get_by_index+0x5e/0x80 [ 2889.759511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2889.759511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2889.759511][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2889.759511][ T3767] ipv6_add_addr+0x411/0x2000 [ 2889.759511][ T3767] inet6_addr_add+0x30e/0xa40 [ 2889.759511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.759511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.759511][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.759511][ T3767] netlink_unicast+0x449/0x710 [ 2889.759511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.759511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.759511][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.759511][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.759511][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.759511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.759511][ T3767] [ 2889.763140][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2889.763140][ T3767] netdev_get_by_index+0x5e/0x80 [ 2889.763140][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2889.763140][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2889.763140][ T3767] ip6_route_add+0x1c/0x140 [ 2889.763140][ T3767] addrconf_add_mroute+0x129/0x180 [ 2889.763140][ T3767] addrconf_add_dev+0xe2/0x170 [ 2889.763140][ T3767] inet6_addr_add+0x12f/0xa40 [ 2889.763140][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2889.763140][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.763140][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.763140][ T3767] netlink_unicast+0x449/0x710 [ 2889.763140][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.763140][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.763140][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.763140][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.763140][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.763140][ T3767] [ 2889.766720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2889.766720][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2889.766720][ T3767] ipv6_find_idev+0x102/0x170 [ 2889.766720][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.766720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.766720][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.766720][ T3767] netlink_unicast+0x449/0x710 [ 2889.766720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.766720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.766720][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.766720][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.766720][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.766720][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.766720][ T3767] [ 2889.769507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2889.769507][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2889.769507][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2889.769507][ T3767] ipv6_find_idev+0x102/0x170 [ 2889.769507][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2889.769507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2889.769507][ T3767] netlink_rcv_skb+0x130/0x360 [ 2889.769507][ T3767] netlink_unicast+0x449/0x710 [ 2889.769507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2889.769507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2889.769507][ T3767] ___sys_sendmsg+0xee/0x170 [ 2889.769507][ T3767] __sys_sendmsg+0xcd/0x170 [ 2889.769507][ T3767] do_syscall_64+0xc6/0x1e0 [ 2889.769507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2889.769507][ T3767] [ 2900.015955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2900.016403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2900.016403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2900.016403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2900.016403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2900.016403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2900.016403][ T3767] ip6_route_add+0x1c/0x140 [ 2900.016403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2900.016403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.016403][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.016403][ T3767] netlink_unicast+0x449/0x710 [ 2900.016403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.016403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.016403][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.016403][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.016403][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.016403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.016403][ T3767] [ 2900.018480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2900.018480][ T3767] netdev_get_by_index+0x5e/0x80 [ 2900.018480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2900.018480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2900.018480][ T3767] ip6_route_add+0x1c/0x140 [ 2900.018480][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2900.018480][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2900.018480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.018480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.018480][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.018480][ T3767] netlink_unicast+0x449/0x710 [ 2900.018480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.018480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.018480][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.018480][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.018480][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.018480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.018480][ T3767] [ 2900.020695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2900.020695][ T3767] netdev_get_by_index+0x5e/0x80 [ 2900.020695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2900.020695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2900.020695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2900.020695][ T3767] ipv6_add_addr+0x411/0x2000 [ 2900.020695][ T3767] inet6_addr_add+0x30e/0xa40 [ 2900.020695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.020695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.020695][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.020695][ T3767] netlink_unicast+0x449/0x710 [ 2900.020695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.020695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.020695][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.020695][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.020695][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.020695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.020695][ T3767] [ 2900.022889][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2900.022889][ T3767] netdev_get_by_index+0x5e/0x80 [ 2900.022889][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2900.022889][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2900.022889][ T3767] ip6_route_add+0x1c/0x140 [ 2900.022889][ T3767] addrconf_add_mroute+0x129/0x180 [ 2900.022889][ T3767] addrconf_add_dev+0xe2/0x170 [ 2900.022889][ T3767] inet6_addr_add+0x12f/0xa40 [ 2900.022889][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2900.022889][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.022889][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.022889][ T3767] netlink_unicast+0x449/0x710 [ 2900.022889][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.022889][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.022889][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.022889][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.022889][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.022889][ T3767] [ 2900.025039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2900.025039][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2900.025039][ T3767] ipv6_find_idev+0x102/0x170 [ 2900.025039][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2900.025039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.025039][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.025039][ T3767] netlink_unicast+0x449/0x710 [ 2900.025039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.025039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.025039][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.025039][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.025039][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.025039][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.025039][ T3767] [ 2900.026725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2900.026725][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2900.026725][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2900.026725][ T3767] ipv6_find_idev+0x102/0x170 [ 2900.026725][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2900.026725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2900.026725][ T3767] netlink_rcv_skb+0x130/0x360 [ 2900.026725][ T3767] netlink_unicast+0x449/0x710 [ 2900.026725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2900.026725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2900.026725][ T3767] ___sys_sendmsg+0xee/0x170 [ 2900.026725][ T3767] __sys_sendmsg+0xcd/0x170 [ 2900.026725][ T3767] do_syscall_64+0xc6/0x1e0 [ 2900.026725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2900.026725][ T3767] [ 2910.263942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2910.264358][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2910.264358][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2910.264358][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2910.264358][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2910.264358][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2910.264358][ T3767] ip6_route_add+0x1c/0x140 [ 2910.264358][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2910.264358][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.264358][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.264358][ T3767] netlink_unicast+0x449/0x710 [ 2910.264358][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.264358][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.264358][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.264358][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.264358][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.264358][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.264358][ T3767] [ 2910.266420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2910.266420][ T3767] netdev_get_by_index+0x5e/0x80 [ 2910.266420][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2910.266420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2910.266420][ T3767] ip6_route_add+0x1c/0x140 [ 2910.266420][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2910.266420][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2910.266420][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.266420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.266420][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.266420][ T3767] netlink_unicast+0x449/0x710 [ 2910.266420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.266420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.266420][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.266420][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.266420][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.266420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.266420][ T3767] [ 2910.268601][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2910.268601][ T3767] netdev_get_by_index+0x5e/0x80 [ 2910.268601][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2910.268601][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2910.268601][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2910.268601][ T3767] ipv6_add_addr+0x411/0x2000 [ 2910.268601][ T3767] inet6_addr_add+0x30e/0xa40 [ 2910.268601][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.268601][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.268601][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.268601][ T3767] netlink_unicast+0x449/0x710 [ 2910.268601][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.268601][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.268601][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.268601][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.268601][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.268601][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.268601][ T3767] [ 2910.270779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2910.270779][ T3767] netdev_get_by_index+0x5e/0x80 [ 2910.270779][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2910.270779][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2910.270779][ T3767] ip6_route_add+0x1c/0x140 [ 2910.270779][ T3767] addrconf_add_mroute+0x129/0x180 [ 2910.270779][ T3767] addrconf_add_dev+0xe2/0x170 [ 2910.270779][ T3767] inet6_addr_add+0x12f/0xa40 [ 2910.270779][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2910.270779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.270779][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.270779][ T3767] netlink_unicast+0x449/0x710 [ 2910.270779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.270779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.270779][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.270779][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.270779][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.270779][ T3767] [ 2910.272932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2910.272932][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2910.272932][ T3767] ipv6_find_idev+0x102/0x170 [ 2910.272932][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.272932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.272932][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.272932][ T3767] netlink_unicast+0x449/0x710 [ 2910.272932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.272932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.272932][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.272932][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.272932][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.272932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.272932][ T3767] [ 2910.274609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2910.274609][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2910.274609][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2910.274609][ T3767] ipv6_find_idev+0x102/0x170 [ 2910.274609][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2910.274609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2910.274609][ T3767] netlink_rcv_skb+0x130/0x360 [ 2910.274609][ T3767] netlink_unicast+0x449/0x710 [ 2910.274609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2910.274609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2910.274609][ T3767] ___sys_sendmsg+0xee/0x170 [ 2910.274609][ T3767] __sys_sendmsg+0xcd/0x170 [ 2910.274609][ T3767] do_syscall_64+0xc6/0x1e0 [ 2910.274609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2910.274609][ T3767] [ 2920.511947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2920.512423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2920.512423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2920.512423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2920.512423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2920.512423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2920.512423][ T3767] ip6_route_add+0x1c/0x140 [ 2920.512423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2920.512423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.512423][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.512423][ T3767] netlink_unicast+0x449/0x710 [ 2920.512423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.512423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.512423][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.512423][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.512423][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.512423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.512423][ T3767] [ 2920.514503][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2920.514503][ T3767] netdev_get_by_index+0x5e/0x80 [ 2920.514503][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2920.514503][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2920.514503][ T3767] ip6_route_add+0x1c/0x140 [ 2920.514503][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2920.514503][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2920.514503][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.514503][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.514503][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.514503][ T3767] netlink_unicast+0x449/0x710 [ 2920.514503][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.514503][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.514503][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.514503][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.514503][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.514503][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.514503][ T3767] [ 2920.516707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2920.516707][ T3767] netdev_get_by_index+0x5e/0x80 [ 2920.516707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2920.516707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2920.516707][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2920.516707][ T3767] ipv6_add_addr+0x411/0x2000 [ 2920.516707][ T3767] inet6_addr_add+0x30e/0xa40 [ 2920.516707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.516707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.516707][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.516707][ T3767] netlink_unicast+0x449/0x710 [ 2920.516707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.516707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.516707][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.516707][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.516707][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.516707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.516707][ T3767] [ 2920.518883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2920.518883][ T3767] netdev_get_by_index+0x5e/0x80 [ 2920.518883][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2920.518883][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2920.518883][ T3767] ip6_route_add+0x1c/0x140 [ 2920.518883][ T3767] addrconf_add_mroute+0x129/0x180 [ 2920.518883][ T3767] addrconf_add_dev+0xe2/0x170 [ 2920.518883][ T3767] inet6_addr_add+0x12f/0xa40 [ 2920.518883][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2920.518883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.518883][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.518883][ T3767] netlink_unicast+0x449/0x710 [ 2920.518883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.518883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.518883][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.518883][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.518883][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.518883][ T3767] [ 2920.521024][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2920.521024][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2920.521024][ T3767] ipv6_find_idev+0x102/0x170 [ 2920.521024][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.521024][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.521024][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.521024][ T3767] netlink_unicast+0x449/0x710 [ 2920.521024][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.521024][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.521024][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.521024][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.521024][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.521024][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.521024][ T3767] [ 2920.522702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2920.522702][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2920.522702][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2920.522702][ T3767] ipv6_find_idev+0x102/0x170 [ 2920.522702][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2920.522702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2920.522702][ T3767] netlink_rcv_skb+0x130/0x360 [ 2920.522702][ T3767] netlink_unicast+0x449/0x710 [ 2920.522702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2920.522702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2920.522702][ T3767] ___sys_sendmsg+0xee/0x170 [ 2920.522702][ T3767] __sys_sendmsg+0xcd/0x170 [ 2920.522702][ T3767] do_syscall_64+0xc6/0x1e0 [ 2920.522702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2920.522702][ T3767] [ 2930.623982][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2930.624463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2930.624463][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2930.624463][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2930.624463][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2930.624463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2930.624463][ T3767] ip6_route_add+0x1c/0x140 [ 2930.624463][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2930.624463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.624463][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.624463][ T3767] netlink_unicast+0x449/0x710 [ 2930.624463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.624463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.624463][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.624463][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.624463][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.624463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.624463][ T3767] [ 2930.627011][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2930.627011][ T3767] netdev_get_by_index+0x5e/0x80 [ 2930.627011][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2930.627011][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2930.627011][ T3767] ip6_route_add+0x1c/0x140 [ 2930.627011][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2930.627011][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2930.627011][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.627011][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.627011][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.627011][ T3767] netlink_unicast+0x449/0x710 [ 2930.627011][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.627011][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.627011][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.627011][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.627011][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.627011][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.627011][ T3767] [ 2930.629194][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2930.629194][ T3767] netdev_get_by_index+0x5e/0x80 [ 2930.629194][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2930.629194][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2930.629194][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2930.629194][ T3767] ipv6_add_addr+0x411/0x2000 [ 2930.629194][ T3767] inet6_addr_add+0x30e/0xa40 [ 2930.629194][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.629194][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.629194][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.629194][ T3767] netlink_unicast+0x449/0x710 [ 2930.629194][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.629194][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.629194][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.629194][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.629194][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.629194][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.629194][ T3767] [ 2930.631368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2930.631368][ T3767] netdev_get_by_index+0x5e/0x80 [ 2930.631368][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2930.631368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2930.631368][ T3767] ip6_route_add+0x1c/0x140 [ 2930.631368][ T3767] addrconf_add_mroute+0x129/0x180 [ 2930.631368][ T3767] addrconf_add_dev+0xe2/0x170 [ 2930.631368][ T3767] inet6_addr_add+0x12f/0xa40 [ 2930.631368][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2930.631368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.631368][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.631368][ T3767] netlink_unicast+0x449/0x710 [ 2930.631368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.631368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.631368][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.631368][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.631368][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.631368][ T3767] [ 2930.633550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2930.633550][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2930.633550][ T3767] ipv6_find_idev+0x102/0x170 [ 2930.633550][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.633550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.633550][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.633550][ T3767] netlink_unicast+0x449/0x710 [ 2930.633550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.633550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.633550][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.633550][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.633550][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.633550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.633550][ T3767] [ 2930.635225][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2930.635225][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2930.635225][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2930.635225][ T3767] ipv6_find_idev+0x102/0x170 [ 2930.635225][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2930.635225][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2930.635225][ T3767] netlink_rcv_skb+0x130/0x360 [ 2930.635225][ T3767] netlink_unicast+0x449/0x710 [ 2930.635225][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2930.635225][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2930.635225][ T3767] ___sys_sendmsg+0xee/0x170 [ 2930.635225][ T3767] __sys_sendmsg+0xcd/0x170 [ 2930.635225][ T3767] do_syscall_64+0xc6/0x1e0 [ 2930.635225][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2930.635225][ T3767] [ 2940.879936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2940.880415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2940.880415][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2940.880415][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2940.880415][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2940.880415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2940.880415][ T3767] ip6_route_add+0x1c/0x140 [ 2940.880415][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2940.880415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.880415][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.880415][ T3767] netlink_unicast+0x449/0x710 [ 2940.880415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.880415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.880415][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.880415][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.880415][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.880415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.880415][ T3767] [ 2940.882489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2940.882489][ T3767] netdev_get_by_index+0x5e/0x80 [ 2940.882489][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2940.882489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2940.882489][ T3767] ip6_route_add+0x1c/0x140 [ 2940.882489][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2940.882489][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2940.882489][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.882489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.882489][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.882489][ T3767] netlink_unicast+0x449/0x710 [ 2940.882489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.882489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.882489][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.882489][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.882489][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.882489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.882489][ T3767] [ 2940.885095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2940.885095][ T3767] netdev_get_by_index+0x5e/0x80 [ 2940.885095][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2940.885095][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2940.885095][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2940.885095][ T3767] ipv6_add_addr+0x411/0x2000 [ 2940.885095][ T3767] inet6_addr_add+0x30e/0xa40 [ 2940.885095][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.885095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.885095][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.885095][ T3767] netlink_unicast+0x449/0x710 [ 2940.885095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.885095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.885095][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.885095][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.885095][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.885095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.885095][ T3767] [ 2940.887281][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2940.887281][ T3767] netdev_get_by_index+0x5e/0x80 [ 2940.887281][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2940.887281][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2940.887281][ T3767] ip6_route_add+0x1c/0x140 [ 2940.887281][ T3767] addrconf_add_mroute+0x129/0x180 [ 2940.887281][ T3767] addrconf_add_dev+0xe2/0x170 [ 2940.887281][ T3767] inet6_addr_add+0x12f/0xa40 [ 2940.887281][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2940.887281][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.887281][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.887281][ T3767] netlink_unicast+0x449/0x710 [ 2940.887281][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.887281][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.887281][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.887281][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.887281][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.887281][ T3767] [ 2940.889427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2940.889427][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2940.889427][ T3767] ipv6_find_idev+0x102/0x170 [ 2940.889427][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.889427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.889427][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.889427][ T3767] netlink_unicast+0x449/0x710 [ 2940.889427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.889427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.889427][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.889427][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.889427][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.889427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.889427][ T3767] [ 2940.891104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2940.891104][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2940.891104][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2940.891104][ T3767] ipv6_find_idev+0x102/0x170 [ 2940.891104][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2940.891104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2940.891104][ T3767] netlink_rcv_skb+0x130/0x360 [ 2940.891104][ T3767] netlink_unicast+0x449/0x710 [ 2940.891104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2940.891104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2940.891104][ T3767] ___sys_sendmsg+0xee/0x170 [ 2940.891104][ T3767] __sys_sendmsg+0xcd/0x170 [ 2940.891104][ T3767] do_syscall_64+0xc6/0x1e0 [ 2940.891104][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2940.891104][ T3767] [ 2951.135991][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2951.136462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2951.136462][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2951.136462][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2951.136462][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2951.136462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2951.136462][ T3767] ip6_route_add+0x1c/0x140 [ 2951.136462][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2951.136462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.136462][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.136462][ T3767] netlink_unicast+0x449/0x710 [ 2951.136462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.136462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.136462][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.136462][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.136462][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.136462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.136462][ T3767] [ 2951.138549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2951.138549][ T3767] netdev_get_by_index+0x5e/0x80 [ 2951.138549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2951.138549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2951.138549][ T3767] ip6_route_add+0x1c/0x140 [ 2951.138549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2951.138549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2951.138549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.138549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.138549][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.138549][ T3767] netlink_unicast+0x449/0x710 [ 2951.138549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.138549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.138549][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.138549][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.138549][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.138549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.138549][ T3767] [ 2951.140740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2951.140740][ T3767] netdev_get_by_index+0x5e/0x80 [ 2951.140740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2951.140740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2951.140740][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2951.140740][ T3767] ipv6_add_addr+0x411/0x2000 [ 2951.140740][ T3767] inet6_addr_add+0x30e/0xa40 [ 2951.140740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.140740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.140740][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.140740][ T3767] netlink_unicast+0x449/0x710 [ 2951.140740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.140740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.140740][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.140740][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.140740][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.140740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.140740][ T3767] [ 2951.142948][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2951.142948][ T3767] netdev_get_by_index+0x5e/0x80 [ 2951.142948][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2951.142948][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2951.142948][ T3767] ip6_route_add+0x1c/0x140 [ 2951.142948][ T3767] addrconf_add_mroute+0x129/0x180 [ 2951.142948][ T3767] addrconf_add_dev+0xe2/0x170 [ 2951.142948][ T3767] inet6_addr_add+0x12f/0xa40 [ 2951.142948][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2951.142948][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.142948][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.142948][ T3767] netlink_unicast+0x449/0x710 [ 2951.142948][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.142948][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.142948][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.142948][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.142948][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.142948][ T3767] [ 2951.145095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2951.145095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2951.145095][ T3767] ipv6_find_idev+0x102/0x170 [ 2951.145095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.145095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.145095][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.145095][ T3767] netlink_unicast+0x449/0x710 [ 2951.145095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.145095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.145095][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.145095][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.145095][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.145095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.145095][ T3767] [ 2951.146770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2951.146770][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2951.146770][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2951.146770][ T3767] ipv6_find_idev+0x102/0x170 [ 2951.146770][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2951.146770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2951.146770][ T3767] netlink_rcv_skb+0x130/0x360 [ 2951.146770][ T3767] netlink_unicast+0x449/0x710 [ 2951.146770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2951.146770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2951.146770][ T3767] ___sys_sendmsg+0xee/0x170 [ 2951.146770][ T3767] __sys_sendmsg+0xcd/0x170 [ 2951.146770][ T3767] do_syscall_64+0xc6/0x1e0 [ 2951.146770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2951.146770][ T3767] [ 2961.383892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2961.384369][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2961.384369][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2961.384369][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2961.384369][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2961.384369][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2961.384369][ T3767] ip6_route_add+0x1c/0x140 [ 2961.384369][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2961.384369][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.384369][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.384369][ T3767] netlink_unicast+0x449/0x710 [ 2961.384369][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.384369][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.384369][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.384369][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.384369][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.384369][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.384369][ T3767] [ 2961.386437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2961.386437][ T3767] netdev_get_by_index+0x5e/0x80 [ 2961.386437][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2961.386437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2961.386437][ T3767] ip6_route_add+0x1c/0x140 [ 2961.386437][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2961.386437][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2961.386437][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.386437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.386437][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.386437][ T3767] netlink_unicast+0x449/0x710 [ 2961.386437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.386437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.386437][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.386437][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.386437][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.386437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.386437][ T3767] [ 2961.388618][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2961.388618][ T3767] netdev_get_by_index+0x5e/0x80 [ 2961.388618][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2961.388618][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2961.388618][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2961.388618][ T3767] ipv6_add_addr+0x411/0x2000 [ 2961.388618][ T3767] inet6_addr_add+0x30e/0xa40 [ 2961.388618][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.388618][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.388618][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.388618][ T3767] netlink_unicast+0x449/0x710 [ 2961.388618][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.388618][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.388618][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.388618][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.388618][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.388618][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.388618][ T3767] [ 2961.390804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2961.390804][ T3767] netdev_get_by_index+0x5e/0x80 [ 2961.390804][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2961.390804][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2961.390804][ T3767] ip6_route_add+0x1c/0x140 [ 2961.390804][ T3767] addrconf_add_mroute+0x129/0x180 [ 2961.390804][ T3767] addrconf_add_dev+0xe2/0x170 [ 2961.390804][ T3767] inet6_addr_add+0x12f/0xa40 [ 2961.390804][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2961.390804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.390804][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.390804][ T3767] netlink_unicast+0x449/0x710 [ 2961.390804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.390804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.390804][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.390804][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.390804][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.390804][ T3767] [ 2961.392955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2961.392955][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2961.392955][ T3767] ipv6_find_idev+0x102/0x170 [ 2961.392955][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.392955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.392955][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.392955][ T3767] netlink_unicast+0x449/0x710 [ 2961.392955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.392955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.392955][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.392955][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.392955][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.392955][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.392955][ T3767] [ 2961.394627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2961.394627][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2961.394627][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2961.394627][ T3767] ipv6_find_idev+0x102/0x170 [ 2961.394627][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2961.394627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2961.394627][ T3767] netlink_rcv_skb+0x130/0x360 [ 2961.394627][ T3767] netlink_unicast+0x449/0x710 [ 2961.394627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2961.394627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2961.394627][ T3767] ___sys_sendmsg+0xee/0x170 [ 2961.394627][ T3767] __sys_sendmsg+0xcd/0x170 [ 2961.394627][ T3767] do_syscall_64+0xc6/0x1e0 [ 2961.394627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2961.394627][ T3767] [ 2971.631974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2971.632450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2971.632450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2971.632450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2971.632450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2971.632450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2971.632450][ T3767] ip6_route_add+0x1c/0x140 [ 2971.632450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2971.632450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.632450][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.632450][ T3767] netlink_unicast+0x449/0x710 [ 2971.632450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.632450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.632450][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.632450][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.632450][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.632450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.632450][ T3767] [ 2971.634562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2971.634562][ T3767] netdev_get_by_index+0x5e/0x80 [ 2971.634562][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2971.634562][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2971.634562][ T3767] ip6_route_add+0x1c/0x140 [ 2971.634562][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2971.634562][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2971.634562][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.634562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.634562][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.634562][ T3767] netlink_unicast+0x449/0x710 [ 2971.634562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.634562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.634562][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.634562][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.634562][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.634562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.634562][ T3767] [ 2971.636780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2971.636780][ T3767] netdev_get_by_index+0x5e/0x80 [ 2971.636780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2971.636780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2971.636780][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2971.636780][ T3767] ipv6_add_addr+0x411/0x2000 [ 2971.636780][ T3767] inet6_addr_add+0x30e/0xa40 [ 2971.636780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.636780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.636780][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.636780][ T3767] netlink_unicast+0x449/0x710 [ 2971.636780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.636780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.636780][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.636780][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.636780][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.636780][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.636780][ T3767] [ 2971.639063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2971.639063][ T3767] netdev_get_by_index+0x5e/0x80 [ 2971.639063][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2971.639063][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2971.639063][ T3767] ip6_route_add+0x1c/0x140 [ 2971.639063][ T3767] addrconf_add_mroute+0x129/0x180 [ 2971.639063][ T3767] addrconf_add_dev+0xe2/0x170 [ 2971.639063][ T3767] inet6_addr_add+0x12f/0xa40 [ 2971.639063][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2971.639063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.639063][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.639063][ T3767] netlink_unicast+0x449/0x710 [ 2971.639063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.639063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.639063][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.639063][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.639063][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.639063][ T3767] [ 2971.641309][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2971.641309][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2971.641309][ T3767] ipv6_find_idev+0x102/0x170 [ 2971.641309][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.641309][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.641309][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.641309][ T3767] netlink_unicast+0x449/0x710 [ 2971.641309][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.641309][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.641309][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.641309][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.641309][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.641309][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.641309][ T3767] [ 2971.643012][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2971.643012][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2971.643012][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2971.643012][ T3767] ipv6_find_idev+0x102/0x170 [ 2971.643012][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2971.643012][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2971.643012][ T3767] netlink_rcv_skb+0x130/0x360 [ 2971.643012][ T3767] netlink_unicast+0x449/0x710 [ 2971.643012][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2971.643012][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2971.643012][ T3767] ___sys_sendmsg+0xee/0x170 [ 2971.643012][ T3767] __sys_sendmsg+0xcd/0x170 [ 2971.643012][ T3767] do_syscall_64+0xc6/0x1e0 [ 2971.643012][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2971.643012][ T3767] [ 2981.887954][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2981.888444][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2981.888444][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2981.888444][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2981.888444][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2981.888444][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2981.888444][ T3767] ip6_route_add+0x1c/0x140 [ 2981.888444][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2981.888444][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.888444][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.888444][ T3767] netlink_unicast+0x449/0x710 [ 2981.888444][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.888444][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.888444][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.888444][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.888444][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.888444][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.888444][ T3767] [ 2981.890517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2981.890517][ T3767] netdev_get_by_index+0x5e/0x80 [ 2981.890517][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2981.890517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2981.890517][ T3767] ip6_route_add+0x1c/0x140 [ 2981.890517][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2981.890517][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2981.890517][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.890517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.890517][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.890517][ T3767] netlink_unicast+0x449/0x710 [ 2981.890517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.890517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.890517][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.890517][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.890517][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.890517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.890517][ T3767] [ 2981.892746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2981.892746][ T3767] netdev_get_by_index+0x5e/0x80 [ 2981.892746][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2981.892746][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2981.892746][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2981.892746][ T3767] ipv6_add_addr+0x411/0x2000 [ 2981.892746][ T3767] inet6_addr_add+0x30e/0xa40 [ 2981.892746][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.892746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.892746][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.892746][ T3767] netlink_unicast+0x449/0x710 [ 2981.892746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.892746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.892746][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.892746][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.892746][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.892746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.892746][ T3767] [ 2981.894925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2981.894925][ T3767] netdev_get_by_index+0x5e/0x80 [ 2981.894925][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2981.894925][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2981.894925][ T3767] ip6_route_add+0x1c/0x140 [ 2981.894925][ T3767] addrconf_add_mroute+0x129/0x180 [ 2981.894925][ T3767] addrconf_add_dev+0xe2/0x170 [ 2981.894925][ T3767] inet6_addr_add+0x12f/0xa40 [ 2981.894925][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2981.894925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.894925][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.894925][ T3767] netlink_unicast+0x449/0x710 [ 2981.894925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.894925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.894925][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.894925][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.894925][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.894925][ T3767] [ 2981.897078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2981.897078][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2981.897078][ T3767] ipv6_find_idev+0x102/0x170 [ 2981.897078][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.897078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.897078][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.897078][ T3767] netlink_unicast+0x449/0x710 [ 2981.897078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.897078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.897078][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.897078][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.897078][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.897078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.897078][ T3767] [ 2981.898758][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2981.898758][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2981.898758][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2981.898758][ T3767] ipv6_find_idev+0x102/0x170 [ 2981.898758][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2981.898758][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2981.898758][ T3767] netlink_rcv_skb+0x130/0x360 [ 2981.898758][ T3767] netlink_unicast+0x449/0x710 [ 2981.898758][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2981.898758][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2981.898758][ T3767] ___sys_sendmsg+0xee/0x170 [ 2981.898758][ T3767] __sys_sendmsg+0xcd/0x170 [ 2981.898758][ T3767] do_syscall_64+0xc6/0x1e0 [ 2981.898758][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2981.898758][ T3767] [ 2991.991970][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2991.992397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 2991.992397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 2991.992397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 2991.992397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 2991.992397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2991.992397][ T3767] ip6_route_add+0x1c/0x140 [ 2991.992397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 2991.992397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.992397][ T3767] netlink_rcv_skb+0x130/0x360 [ 2991.992397][ T3767] netlink_unicast+0x449/0x710 [ 2991.992397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2991.992397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2991.992397][ T3767] ___sys_sendmsg+0xee/0x170 [ 2991.992397][ T3767] __sys_sendmsg+0xcd/0x170 [ 2991.992397][ T3767] do_syscall_64+0xc6/0x1e0 [ 2991.992397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.992397][ T3767] [ 2991.994488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2991.994488][ T3767] netdev_get_by_index+0x5e/0x80 [ 2991.994488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2991.994488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2991.994488][ T3767] ip6_route_add+0x1c/0x140 [ 2991.994488][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 2991.994488][ T3767] inet6_addr_add+0x4f8/0xa40 [ 2991.994488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.994488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.994488][ T3767] netlink_rcv_skb+0x130/0x360 [ 2991.994488][ T3767] netlink_unicast+0x449/0x710 [ 2991.994488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2991.994488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2991.994488][ T3767] ___sys_sendmsg+0xee/0x170 [ 2991.994488][ T3767] __sys_sendmsg+0xcd/0x170 [ 2991.994488][ T3767] do_syscall_64+0xc6/0x1e0 [ 2991.994488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.994488][ T3767] [ 2991.996840][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2991.996840][ T3767] netdev_get_by_index+0x5e/0x80 [ 2991.996840][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2991.996840][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2991.996840][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 2991.996840][ T3767] ipv6_add_addr+0x411/0x2000 [ 2991.996840][ T3767] inet6_addr_add+0x30e/0xa40 [ 2991.996840][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.996840][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.996840][ T3767] netlink_rcv_skb+0x130/0x360 [ 2991.996840][ T3767] netlink_unicast+0x449/0x710 [ 2991.996840][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2991.996840][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2991.996840][ T3767] ___sys_sendmsg+0xee/0x170 [ 2991.996840][ T3767] __sys_sendmsg+0xcd/0x170 [ 2991.996840][ T3767] do_syscall_64+0xc6/0x1e0 [ 2991.996840][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2991.996840][ T3767] [ 2991.999191][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2991.999191][ T3767] netdev_get_by_index+0x5e/0x80 [ 2991.999191][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 2991.999191][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 2991.999191][ T3767] ip6_route_add+0x1c/0x140 [ 2991.999191][ T3767] addrconf_add_mroute+0x129/0x180 [ 2991.999191][ T3767] addrconf_add_dev+0xe2/0x170 [ 2991.999191][ T3767] inet6_addr_add+0x12f/0xa40 [ 2991.999191][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 2991.999191][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2991.999191][ T3767] netlink_rcv_skb+0x130/0x360 [ 2991.999191][ T3767] netlink_unicast+0x449/0x710 [ 2991.999191][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2991.999191][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2991.999191][ T3767] ___sys_sendmsg+0xee/0x170 [ 2991.999191][ T3767] __sys_sendmsg+0xcd/0x170 [ 2991.999191][ T3767] do_syscall_64+0xc6/0x1e0 [ 2991.999191][ T3767] [ 2992.001513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2992.001513][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 2992.001513][ T3767] ipv6_find_idev+0x102/0x170 [ 2992.001513][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2992.001513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.001513][ T3767] netlink_rcv_skb+0x130/0x360 [ 2992.001513][ T3767] netlink_unicast+0x449/0x710 [ 2992.001513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2992.001513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2992.001513][ T3767] ___sys_sendmsg+0xee/0x170 [ 2992.001513][ T3767] __sys_sendmsg+0xcd/0x170 [ 2992.001513][ T3767] do_syscall_64+0xc6/0x1e0 [ 2992.001513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.001513][ T3767] [ 2992.003327][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 2992.003327][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 2992.003327][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 2992.003327][ T3767] ipv6_find_idev+0x102/0x170 [ 2992.003327][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 2992.003327][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2992.003327][ T3767] netlink_rcv_skb+0x130/0x360 [ 2992.003327][ T3767] netlink_unicast+0x449/0x710 [ 2992.003327][ T3767] netlink_sendmsg+0x723/0xbe0 [ 2992.003327][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 2992.003327][ T3767] ___sys_sendmsg+0xee/0x170 [ 2992.003327][ T3767] __sys_sendmsg+0xcd/0x170 [ 2992.003327][ T3767] do_syscall_64+0xc6/0x1e0 [ 2992.003327][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2992.003327][ T3767] [ 3002.127947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3002.128436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3002.128436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3002.128436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3002.128436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3002.128436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3002.128436][ T3767] ip6_route_add+0x1c/0x140 [ 3002.128436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3002.128436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.128436][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.128436][ T3767] netlink_unicast+0x449/0x710 [ 3002.128436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.128436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.128436][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.128436][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.128436][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.128436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.128436][ T3767] [ 3002.130514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3002.130514][ T3767] netdev_get_by_index+0x5e/0x80 [ 3002.130514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3002.130514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3002.130514][ T3767] ip6_route_add+0x1c/0x140 [ 3002.130514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3002.130514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3002.130514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.130514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.130514][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.130514][ T3767] netlink_unicast+0x449/0x710 [ 3002.130514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.130514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.130514][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.130514][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.130514][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.130514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.130514][ T3767] [ 3002.132725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3002.132725][ T3767] netdev_get_by_index+0x5e/0x80 [ 3002.132725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3002.132725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3002.132725][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3002.132725][ T3767] ipv6_add_addr+0x411/0x2000 [ 3002.132725][ T3767] inet6_addr_add+0x30e/0xa40 [ 3002.132725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.132725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.132725][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.132725][ T3767] netlink_unicast+0x449/0x710 [ 3002.132725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.132725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.132725][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.132725][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.132725][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.132725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.132725][ T3767] [ 3002.134906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3002.134906][ T3767] netdev_get_by_index+0x5e/0x80 [ 3002.134906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3002.134906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3002.134906][ T3767] ip6_route_add+0x1c/0x140 [ 3002.134906][ T3767] addrconf_add_mroute+0x129/0x180 [ 3002.134906][ T3767] addrconf_add_dev+0xe2/0x170 [ 3002.134906][ T3767] inet6_addr_add+0x12f/0xa40 [ 3002.134906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3002.134906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.134906][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.134906][ T3767] netlink_unicast+0x449/0x710 [ 3002.134906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.134906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.134906][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.134906][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.134906][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.134906][ T3767] [ 3002.137062][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3002.137062][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3002.137062][ T3767] ipv6_find_idev+0x102/0x170 [ 3002.137062][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.137062][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.137062][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.137062][ T3767] netlink_unicast+0x449/0x710 [ 3002.137062][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.137062][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.137062][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.137062][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.137062][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.137062][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.137062][ T3767] [ 3002.138746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3002.138746][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3002.138746][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3002.138746][ T3767] ipv6_find_idev+0x102/0x170 [ 3002.138746][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3002.138746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3002.138746][ T3767] netlink_rcv_skb+0x130/0x360 [ 3002.138746][ T3767] netlink_unicast+0x449/0x710 [ 3002.138746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3002.138746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3002.138746][ T3767] ___sys_sendmsg+0xee/0x170 [ 3002.138746][ T3767] __sys_sendmsg+0xcd/0x170 [ 3002.138746][ T3767] do_syscall_64+0xc6/0x1e0 [ 3002.138746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3002.138746][ T3767] [ 3012.223965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3012.224379][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3012.224379][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3012.224379][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3012.224379][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3012.224379][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3012.224379][ T3767] ip6_route_add+0x1c/0x140 [ 3012.224379][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3012.224379][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.224379][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.224379][ T3767] netlink_unicast+0x449/0x710 [ 3012.224379][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.224379][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.224379][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.224379][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.224379][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.224379][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.224379][ T3767] [ 3012.226463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3012.226463][ T3767] netdev_get_by_index+0x5e/0x80 [ 3012.226463][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3012.226463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3012.226463][ T3767] ip6_route_add+0x1c/0x140 [ 3012.226463][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3012.226463][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3012.226463][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.226463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.226463][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.226463][ T3767] netlink_unicast+0x449/0x710 [ 3012.226463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.226463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.226463][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.226463][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.226463][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.226463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.226463][ T3767] [ 3012.228663][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3012.228663][ T3767] netdev_get_by_index+0x5e/0x80 [ 3012.228663][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3012.228663][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3012.228663][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3012.228663][ T3767] ipv6_add_addr+0x411/0x2000 [ 3012.228663][ T3767] inet6_addr_add+0x30e/0xa40 [ 3012.228663][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.228663][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.228663][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.228663][ T3767] netlink_unicast+0x449/0x710 [ 3012.228663][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.228663][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.228663][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.228663][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.228663][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.228663][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.228663][ T3767] [ 3012.230957][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3012.230957][ T3767] netdev_get_by_index+0x5e/0x80 [ 3012.230957][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3012.230957][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3012.230957][ T3767] ip6_route_add+0x1c/0x140 [ 3012.230957][ T3767] addrconf_add_mroute+0x129/0x180 [ 3012.230957][ T3767] addrconf_add_dev+0xe2/0x170 [ 3012.230957][ T3767] inet6_addr_add+0x12f/0xa40 [ 3012.230957][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3012.230957][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.230957][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.230957][ T3767] netlink_unicast+0x449/0x710 [ 3012.230957][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.230957][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.230957][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.230957][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.230957][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.230957][ T3767] [ 3012.233130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3012.233130][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3012.233130][ T3767] ipv6_find_idev+0x102/0x170 [ 3012.233130][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.233130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.233130][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.233130][ T3767] netlink_unicast+0x449/0x710 [ 3012.233130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.233130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.233130][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.233130][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.233130][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.233130][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.233130][ T3767] [ 3012.234819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3012.234819][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3012.234819][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3012.234819][ T3767] ipv6_find_idev+0x102/0x170 [ 3012.234819][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3012.234819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3012.234819][ T3767] netlink_rcv_skb+0x130/0x360 [ 3012.234819][ T3767] netlink_unicast+0x449/0x710 [ 3012.234819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3012.234819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3012.234819][ T3767] ___sys_sendmsg+0xee/0x170 [ 3012.234819][ T3767] __sys_sendmsg+0xcd/0x170 [ 3012.234819][ T3767] do_syscall_64+0xc6/0x1e0 [ 3012.234819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3012.234819][ T3767] [ 3022.471952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3022.472367][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3022.472367][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3022.472367][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3022.472367][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3022.472367][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3022.472367][ T3767] ip6_route_add+0x1c/0x140 [ 3022.472367][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3022.472367][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.472367][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.472367][ T3767] netlink_unicast+0x449/0x710 [ 3022.472367][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.472367][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.472367][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.472367][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.472367][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.472367][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.472367][ T3767] [ 3022.474485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3022.474485][ T3767] netdev_get_by_index+0x5e/0x80 [ 3022.474485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3022.474485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3022.474485][ T3767] ip6_route_add+0x1c/0x140 [ 3022.474485][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3022.474485][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3022.474485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.474485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.474485][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.474485][ T3767] netlink_unicast+0x449/0x710 [ 3022.474485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.474485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.474485][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.474485][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.474485][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.474485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.474485][ T3767] [ 3022.476699][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3022.476699][ T3767] netdev_get_by_index+0x5e/0x80 [ 3022.476699][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3022.476699][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3022.476699][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3022.476699][ T3767] ipv6_add_addr+0x411/0x2000 [ 3022.476699][ T3767] inet6_addr_add+0x30e/0xa40 [ 3022.476699][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.476699][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.476699][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.476699][ T3767] netlink_unicast+0x449/0x710 [ 3022.476699][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.476699][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.476699][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.476699][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.476699][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.476699][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.476699][ T3767] [ 3022.478912][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3022.478912][ T3767] netdev_get_by_index+0x5e/0x80 [ 3022.478912][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3022.478912][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3022.478912][ T3767] ip6_route_add+0x1c/0x140 [ 3022.478912][ T3767] addrconf_add_mroute+0x129/0x180 [ 3022.478912][ T3767] addrconf_add_dev+0xe2/0x170 [ 3022.478912][ T3767] inet6_addr_add+0x12f/0xa40 [ 3022.478912][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3022.478912][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.478912][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.478912][ T3767] netlink_unicast+0x449/0x710 [ 3022.478912][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.478912][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.478912][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.478912][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.478912][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.478912][ T3767] [ 3022.481083][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3022.481083][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3022.481083][ T3767] ipv6_find_idev+0x102/0x170 [ 3022.481083][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.481083][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.481083][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.481083][ T3767] netlink_unicast+0x449/0x710 [ 3022.481083][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.481083][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.481083][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.481083][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.481083][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.481083][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.481083][ T3767] [ 3022.483629][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3022.483629][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3022.483629][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3022.483629][ T3767] ipv6_find_idev+0x102/0x170 [ 3022.483629][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3022.483629][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3022.483629][ T3767] netlink_rcv_skb+0x130/0x360 [ 3022.483629][ T3767] netlink_unicast+0x449/0x710 [ 3022.483629][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3022.483629][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3022.483629][ T3767] ___sys_sendmsg+0xee/0x170 [ 3022.483629][ T3767] __sys_sendmsg+0xcd/0x170 [ 3022.483629][ T3767] do_syscall_64+0xc6/0x1e0 [ 3022.483629][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3022.483629][ T3767] [ 3032.703933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3032.704545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3032.704545][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3032.704545][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3032.704545][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3032.704545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3032.704545][ T3767] ip6_route_add+0x1c/0x140 [ 3032.704545][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3032.704545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.704545][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.704545][ T3767] netlink_unicast+0x449/0x710 [ 3032.704545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.704545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.704545][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.704545][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.704545][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.704545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3032.704545][ T3767] [ 3032.707718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3032.707718][ T3767] netdev_get_by_index+0x5e/0x80 [ 3032.707718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3032.707718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3032.707718][ T3767] ip6_route_add+0x1c/0x140 [ 3032.707718][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3032.707718][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3032.707718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3032.707718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.707718][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.707718][ T3767] netlink_unicast+0x449/0x710 [ 3032.707718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.707718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.707718][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.707718][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.707718][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.707718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3032.707718][ T3767] [ 3032.711235][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3032.711235][ T3767] netdev_get_by_index+0x5e/0x80 [ 3032.711235][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3032.711235][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3032.711235][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3032.711235][ T3767] ipv6_add_addr+0x411/0x2000 [ 3032.711235][ T3767] inet6_addr_add+0x30e/0xa40 [ 3032.711235][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3032.711235][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.711235][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.711235][ T3767] netlink_unicast+0x449/0x710 [ 3032.711235][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.711235][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.711235][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.711235][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.711235][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.711235][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3032.711235][ T3767] [ 3032.714770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3032.714770][ T3767] netdev_get_by_index+0x5e/0x80 [ 3032.714770][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3032.714770][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3032.714770][ T3767] ip6_route_add+0x1c/0x140 [ 3032.714770][ T3767] addrconf_add_mroute+0x129/0x180 [ 3032.714770][ T3767] addrconf_add_dev+0xe2/0x170 [ 3032.714770][ T3767] inet6_addr_add+0x12f/0xa40 [ 3032.714770][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3032.714770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.714770][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.714770][ T3767] netlink_unicast+0x449/0x710 [ 3032.714770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.714770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.714770][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.714770][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.714770][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.714770][ T3767] [ 3032.718233][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3032.718233][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3032.718233][ T3767] ipv6_find_idev+0x102/0x170 [ 3032.718233][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3032.718233][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.718233][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.718233][ T3767] netlink_unicast+0x449/0x710 [ 3032.718233][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.718233][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.718233][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.718233][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.718233][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.718233][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3032.718233][ T3767] [ 3032.720939][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3032.720939][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3032.720939][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3032.720939][ T3767] ipv6_find_idev+0x102/0x170 [ 3032.720939][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3032.720939][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3032.720939][ T3767] netlink_rcv_skb+0x130/0x360 [ 3032.720939][ T3767] netlink_unicast+0x449/0x710 [ 3032.720939][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3032.720939][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3032.720939][ T3767] ___sys_sendmsg+0xee/0x170 [ 3032.720939][ T3767] __sys_sendmsg+0xcd/0x170 [ 3032.720939][ T3767] do_syscall_64+0xc6/0x1e0 [ 3032.720939][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3032.720939][ T3767] [ 3042.967897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3042.968540][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3042.968540][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3042.968540][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3042.968540][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3042.968540][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3042.968540][ T3767] ip6_route_add+0x1c/0x140 [ 3042.968540][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3042.968540][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.968540][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.968540][ T3767] netlink_unicast+0x449/0x710 [ 3042.968540][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.968540][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.968540][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.968540][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.968540][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.968540][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3042.968540][ T3767] [ 3042.971737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3042.971737][ T3767] netdev_get_by_index+0x5e/0x80 [ 3042.971737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3042.971737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3042.971737][ T3767] ip6_route_add+0x1c/0x140 [ 3042.971737][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3042.971737][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3042.971737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3042.971737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.971737][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.971737][ T3767] netlink_unicast+0x449/0x710 [ 3042.971737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.971737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.971737][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.971737][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.971737][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.971737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3042.971737][ T3767] [ 3042.975370][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3042.975370][ T3767] netdev_get_by_index+0x5e/0x80 [ 3042.975370][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3042.975370][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3042.975370][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3042.975370][ T3767] ipv6_add_addr+0x411/0x2000 [ 3042.975370][ T3767] inet6_addr_add+0x30e/0xa40 [ 3042.975370][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3042.975370][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.975370][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.975370][ T3767] netlink_unicast+0x449/0x710 [ 3042.975370][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.975370][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.975370][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.975370][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.975370][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.975370][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3042.975370][ T3767] [ 3042.978977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3042.978977][ T3767] netdev_get_by_index+0x5e/0x80 [ 3042.978977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3042.978977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3042.978977][ T3767] ip6_route_add+0x1c/0x140 [ 3042.978977][ T3767] addrconf_add_mroute+0x129/0x180 [ 3042.978977][ T3767] addrconf_add_dev+0xe2/0x170 [ 3042.978977][ T3767] inet6_addr_add+0x12f/0xa40 [ 3042.978977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3042.978977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.978977][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.978977][ T3767] netlink_unicast+0x449/0x710 [ 3042.978977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.978977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.978977][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.978977][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.978977][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.978977][ T3767] [ 3042.982210][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3042.982210][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3042.982210][ T3767] ipv6_find_idev+0x102/0x170 [ 3042.982210][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3042.982210][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.982210][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.982210][ T3767] netlink_unicast+0x449/0x710 [ 3042.982210][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.982210][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.982210][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.982210][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.982210][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.982210][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3042.982210][ T3767] [ 3042.984682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3042.984682][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3042.984682][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3042.984682][ T3767] ipv6_find_idev+0x102/0x170 [ 3042.984682][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3042.984682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3042.984682][ T3767] netlink_rcv_skb+0x130/0x360 [ 3042.984682][ T3767] netlink_unicast+0x449/0x710 [ 3042.984682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3042.984682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3042.984682][ T3767] ___sys_sendmsg+0xee/0x170 [ 3042.984682][ T3767] __sys_sendmsg+0xcd/0x170 [ 3042.984682][ T3767] do_syscall_64+0xc6/0x1e0 [ 3042.984682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3042.984682][ T3767] [ 3053.223912][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3053.224383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3053.224383][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3053.224383][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3053.224383][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3053.224383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3053.224383][ T3767] ip6_route_add+0x1c/0x140 [ 3053.224383][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3053.224383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.224383][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.224383][ T3767] netlink_unicast+0x449/0x710 [ 3053.224383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.224383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.224383][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.224383][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.224383][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.224383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.224383][ T3767] [ 3053.226474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3053.226474][ T3767] netdev_get_by_index+0x5e/0x80 [ 3053.226474][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3053.226474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3053.226474][ T3767] ip6_route_add+0x1c/0x140 [ 3053.226474][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3053.226474][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3053.226474][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.226474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.226474][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.226474][ T3767] netlink_unicast+0x449/0x710 [ 3053.226474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.226474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.226474][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.226474][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.226474][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.226474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.226474][ T3767] [ 3053.228667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3053.228667][ T3767] netdev_get_by_index+0x5e/0x80 [ 3053.228667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3053.228667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3053.228667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3053.228667][ T3767] ipv6_add_addr+0x411/0x2000 [ 3053.228667][ T3767] inet6_addr_add+0x30e/0xa40 [ 3053.228667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.228667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.228667][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.228667][ T3767] netlink_unicast+0x449/0x710 [ 3053.228667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.228667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.228667][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.228667][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.228667][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.228667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.228667][ T3767] [ 3053.230871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3053.230871][ T3767] netdev_get_by_index+0x5e/0x80 [ 3053.230871][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3053.230871][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3053.230871][ T3767] ip6_route_add+0x1c/0x140 [ 3053.230871][ T3767] addrconf_add_mroute+0x129/0x180 [ 3053.230871][ T3767] addrconf_add_dev+0xe2/0x170 [ 3053.230871][ T3767] inet6_addr_add+0x12f/0xa40 [ 3053.230871][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3053.230871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.230871][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.230871][ T3767] netlink_unicast+0x449/0x710 [ 3053.230871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.230871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.230871][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.230871][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.230871][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.230871][ T3767] [ 3053.233047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3053.233047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3053.233047][ T3767] ipv6_find_idev+0x102/0x170 [ 3053.233047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.233047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.233047][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.233047][ T3767] netlink_unicast+0x449/0x710 [ 3053.233047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.233047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.233047][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.233047][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.233047][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.233047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.233047][ T3767] [ 3053.234742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3053.234742][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3053.234742][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3053.234742][ T3767] ipv6_find_idev+0x102/0x170 [ 3053.234742][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3053.234742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3053.234742][ T3767] netlink_rcv_skb+0x130/0x360 [ 3053.234742][ T3767] netlink_unicast+0x449/0x710 [ 3053.234742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3053.234742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3053.234742][ T3767] ___sys_sendmsg+0xee/0x170 [ 3053.234742][ T3767] __sys_sendmsg+0xcd/0x170 [ 3053.234742][ T3767] do_syscall_64+0xc6/0x1e0 [ 3053.234742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3053.234742][ T3767] [ 3063.471938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3063.472428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3063.472428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3063.472428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3063.472428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3063.472428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3063.472428][ T3767] ip6_route_add+0x1c/0x140 [ 3063.472428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3063.472428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.472428][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.472428][ T3767] netlink_unicast+0x449/0x710 [ 3063.472428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.472428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.472428][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.472428][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.472428][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.472428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.472428][ T3767] [ 3063.474514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3063.474514][ T3767] netdev_get_by_index+0x5e/0x80 [ 3063.474514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3063.474514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3063.474514][ T3767] ip6_route_add+0x1c/0x140 [ 3063.474514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3063.474514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3063.474514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.474514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.474514][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.474514][ T3767] netlink_unicast+0x449/0x710 [ 3063.474514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.474514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.474514][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.474514][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.474514][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.474514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.474514][ T3767] [ 3063.476707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3063.476707][ T3767] netdev_get_by_index+0x5e/0x80 [ 3063.476707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3063.476707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3063.476707][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3063.476707][ T3767] ipv6_add_addr+0x411/0x2000 [ 3063.476707][ T3767] inet6_addr_add+0x30e/0xa40 [ 3063.476707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.476707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.476707][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.476707][ T3767] netlink_unicast+0x449/0x710 [ 3063.476707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.476707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.476707][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.476707][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.476707][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.476707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.476707][ T3767] [ 3063.478913][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3063.478913][ T3767] netdev_get_by_index+0x5e/0x80 [ 3063.478913][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3063.478913][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3063.478913][ T3767] ip6_route_add+0x1c/0x140 [ 3063.478913][ T3767] addrconf_add_mroute+0x129/0x180 [ 3063.478913][ T3767] addrconf_add_dev+0xe2/0x170 [ 3063.478913][ T3767] inet6_addr_add+0x12f/0xa40 [ 3063.478913][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3063.478913][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.478913][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.478913][ T3767] netlink_unicast+0x449/0x710 [ 3063.478913][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.478913][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.478913][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.478913][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.478913][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.478913][ T3767] [ 3063.481067][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3063.481067][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3063.481067][ T3767] ipv6_find_idev+0x102/0x170 [ 3063.481067][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.481067][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.481067][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.481067][ T3767] netlink_unicast+0x449/0x710 [ 3063.481067][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.481067][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.481067][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.481067][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.481067][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.481067][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.481067][ T3767] [ 3063.482765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3063.482765][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3063.482765][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3063.482765][ T3767] ipv6_find_idev+0x102/0x170 [ 3063.482765][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3063.482765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3063.482765][ T3767] netlink_rcv_skb+0x130/0x360 [ 3063.482765][ T3767] netlink_unicast+0x449/0x710 [ 3063.482765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3063.482765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3063.482765][ T3767] ___sys_sendmsg+0xee/0x170 [ 3063.482765][ T3767] __sys_sendmsg+0xcd/0x170 [ 3063.482765][ T3767] do_syscall_64+0xc6/0x1e0 [ 3063.482765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3063.482765][ T3767] [ 3073.719941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3073.720483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3073.720483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3073.720483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3073.720483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3073.720483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3073.720483][ T3767] ip6_route_add+0x1c/0x140 [ 3073.720483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3073.720483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.720483][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.720483][ T3767] netlink_unicast+0x449/0x710 [ 3073.720483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.720483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.720483][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.720483][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.720483][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.720483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3073.720483][ T3767] [ 3073.722600][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3073.722600][ T3767] netdev_get_by_index+0x5e/0x80 [ 3073.722600][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3073.722600][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3073.722600][ T3767] ip6_route_add+0x1c/0x140 [ 3073.722600][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3073.722600][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3073.722600][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3073.722600][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.722600][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.722600][ T3767] netlink_unicast+0x449/0x710 [ 3073.722600][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.722600][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.722600][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.722600][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.722600][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.722600][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3073.722600][ T3767] [ 3073.724841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3073.724841][ T3767] netdev_get_by_index+0x5e/0x80 [ 3073.724841][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3073.724841][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3073.724841][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3073.724841][ T3767] ipv6_add_addr+0x411/0x2000 [ 3073.724841][ T3767] inet6_addr_add+0x30e/0xa40 [ 3073.724841][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3073.724841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.724841][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.724841][ T3767] netlink_unicast+0x449/0x710 [ 3073.724841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.724841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.724841][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.724841][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.724841][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.724841][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3073.724841][ T3767] [ 3073.727073][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3073.727073][ T3767] netdev_get_by_index+0x5e/0x80 [ 3073.727073][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3073.727073][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3073.727073][ T3767] ip6_route_add+0x1c/0x140 [ 3073.727073][ T3767] addrconf_add_mroute+0x129/0x180 [ 3073.727073][ T3767] addrconf_add_dev+0xe2/0x170 [ 3073.727073][ T3767] inet6_addr_add+0x12f/0xa40 [ 3073.727073][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3073.727073][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.727073][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.727073][ T3767] netlink_unicast+0x449/0x710 [ 3073.727073][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.727073][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.727073][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.727073][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.727073][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.727073][ T3767] [ 3073.729257][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3073.729257][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3073.729257][ T3767] ipv6_find_idev+0x102/0x170 [ 3073.729257][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3073.729257][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.729257][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.729257][ T3767] netlink_unicast+0x449/0x710 [ 3073.729257][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.729257][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.729257][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.729257][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.729257][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.729257][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3073.729257][ T3767] [ 3073.730966][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3073.730966][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3073.730966][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3073.730966][ T3767] ipv6_find_idev+0x102/0x170 [ 3073.730966][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3073.730966][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3073.730966][ T3767] netlink_rcv_skb+0x130/0x360 [ 3073.730966][ T3767] netlink_unicast+0x449/0x710 [ 3073.730966][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3073.730966][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3073.730966][ T3767] ___sys_sendmsg+0xee/0x170 [ 3073.730966][ T3767] __sys_sendmsg+0xcd/0x170 [ 3073.730966][ T3767] do_syscall_64+0xc6/0x1e0 [ 3073.730966][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3073.730966][ T3767] [ 3083.975976][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3083.976401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3083.976401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3083.976401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3083.976401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3083.976401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3083.976401][ T3767] ip6_route_add+0x1c/0x140 [ 3083.976401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3083.976401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.976401][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.976401][ T3767] netlink_unicast+0x449/0x710 [ 3083.976401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.976401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.976401][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.976401][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.976401][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.976401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3083.976401][ T3767] [ 3083.978514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3083.978514][ T3767] netdev_get_by_index+0x5e/0x80 [ 3083.978514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3083.978514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3083.978514][ T3767] ip6_route_add+0x1c/0x140 [ 3083.978514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3083.978514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3083.978514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3083.978514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.978514][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.978514][ T3767] netlink_unicast+0x449/0x710 [ 3083.978514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.978514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.978514][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.978514][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.978514][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.978514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3083.978514][ T3767] [ 3083.980747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3083.980747][ T3767] netdev_get_by_index+0x5e/0x80 [ 3083.980747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3083.980747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3083.980747][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3083.980747][ T3767] ipv6_add_addr+0x411/0x2000 [ 3083.980747][ T3767] inet6_addr_add+0x30e/0xa40 [ 3083.980747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3083.980747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.980747][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.980747][ T3767] netlink_unicast+0x449/0x710 [ 3083.980747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.980747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.980747][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.980747][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.980747][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.980747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3083.980747][ T3767] [ 3083.982984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3083.982984][ T3767] netdev_get_by_index+0x5e/0x80 [ 3083.982984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3083.982984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3083.982984][ T3767] ip6_route_add+0x1c/0x140 [ 3083.982984][ T3767] addrconf_add_mroute+0x129/0x180 [ 3083.982984][ T3767] addrconf_add_dev+0xe2/0x170 [ 3083.982984][ T3767] inet6_addr_add+0x12f/0xa40 [ 3083.982984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3083.982984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.982984][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.982984][ T3767] netlink_unicast+0x449/0x710 [ 3083.982984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.982984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.982984][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.982984][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.982984][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.982984][ T3767] [ 3083.985176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3083.985176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3083.985176][ T3767] ipv6_find_idev+0x102/0x170 [ 3083.985176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3083.985176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.985176][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.985176][ T3767] netlink_unicast+0x449/0x710 [ 3083.985176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.985176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.985176][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.985176][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.985176][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.985176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3083.985176][ T3767] [ 3083.986882][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3083.986882][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3083.986882][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3083.986882][ T3767] ipv6_find_idev+0x102/0x170 [ 3083.986882][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3083.986882][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3083.986882][ T3767] netlink_rcv_skb+0x130/0x360 [ 3083.986882][ T3767] netlink_unicast+0x449/0x710 [ 3083.986882][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3083.986882][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3083.986882][ T3767] ___sys_sendmsg+0xee/0x170 [ 3083.986882][ T3767] __sys_sendmsg+0xcd/0x170 [ 3083.986882][ T3767] do_syscall_64+0xc6/0x1e0 [ 3083.986882][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3083.986882][ T3767] [ 3094.223990][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3094.224412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3094.224412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3094.224412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3094.224412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3094.224412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3094.224412][ T3767] ip6_route_add+0x1c/0x140 [ 3094.224412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3094.224412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.224412][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.224412][ T3767] netlink_unicast+0x449/0x710 [ 3094.224412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.224412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.224412][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.224412][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.224412][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.224412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.224412][ T3767] [ 3094.226489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3094.226489][ T3767] netdev_get_by_index+0x5e/0x80 [ 3094.226489][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3094.226489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3094.226489][ T3767] ip6_route_add+0x1c/0x140 [ 3094.226489][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3094.226489][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3094.226489][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.226489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.226489][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.226489][ T3767] netlink_unicast+0x449/0x710 [ 3094.226489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.226489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.226489][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.226489][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.226489][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.226489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.226489][ T3767] [ 3094.228696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3094.228696][ T3767] netdev_get_by_index+0x5e/0x80 [ 3094.228696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3094.228696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3094.228696][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3094.228696][ T3767] ipv6_add_addr+0x411/0x2000 [ 3094.228696][ T3767] inet6_addr_add+0x30e/0xa40 [ 3094.228696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.228696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.228696][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.228696][ T3767] netlink_unicast+0x449/0x710 [ 3094.228696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.228696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.228696][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.228696][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.228696][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.228696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.228696][ T3767] [ 3094.230888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3094.230888][ T3767] netdev_get_by_index+0x5e/0x80 [ 3094.230888][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3094.230888][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3094.230888][ T3767] ip6_route_add+0x1c/0x140 [ 3094.230888][ T3767] addrconf_add_mroute+0x129/0x180 [ 3094.230888][ T3767] addrconf_add_dev+0xe2/0x170 [ 3094.230888][ T3767] inet6_addr_add+0x12f/0xa40 [ 3094.230888][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3094.230888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.230888][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.230888][ T3767] netlink_unicast+0x449/0x710 [ 3094.230888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.230888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.230888][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.230888][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.230888][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.230888][ T3767] [ 3094.233058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3094.233058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3094.233058][ T3767] ipv6_find_idev+0x102/0x170 [ 3094.233058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.233058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.233058][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.233058][ T3767] netlink_unicast+0x449/0x710 [ 3094.233058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.233058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.233058][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.233058][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.233058][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.233058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.233058][ T3767] [ 3094.234744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3094.234744][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3094.234744][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3094.234744][ T3767] ipv6_find_idev+0x102/0x170 [ 3094.234744][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3094.234744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3094.234744][ T3767] netlink_rcv_skb+0x130/0x360 [ 3094.234744][ T3767] netlink_unicast+0x449/0x710 [ 3094.234744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3094.234744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3094.234744][ T3767] ___sys_sendmsg+0xee/0x170 [ 3094.234744][ T3767] __sys_sendmsg+0xcd/0x170 [ 3094.234744][ T3767] do_syscall_64+0xc6/0x1e0 [ 3094.234744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3094.234744][ T3767] [ 3104.472048][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3104.472553][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3104.472553][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3104.472553][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3104.472553][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3104.472553][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3104.472553][ T3767] ip6_route_add+0x1c/0x140 [ 3104.472553][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3104.472553][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.472553][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.472553][ T3767] netlink_unicast+0x449/0x710 [ 3104.472553][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.472553][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.472553][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.472553][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.472553][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.472553][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.472553][ T3767] [ 3104.474654][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3104.474654][ T3767] netdev_get_by_index+0x5e/0x80 [ 3104.474654][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3104.474654][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3104.474654][ T3767] ip6_route_add+0x1c/0x140 [ 3104.474654][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3104.474654][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3104.474654][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.474654][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.474654][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.474654][ T3767] netlink_unicast+0x449/0x710 [ 3104.474654][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.474654][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.474654][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.474654][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.474654][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.474654][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.474654][ T3767] [ 3104.476860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3104.476860][ T3767] netdev_get_by_index+0x5e/0x80 [ 3104.476860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3104.476860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3104.476860][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3104.476860][ T3767] ipv6_add_addr+0x411/0x2000 [ 3104.476860][ T3767] inet6_addr_add+0x30e/0xa40 [ 3104.476860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.476860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.476860][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.476860][ T3767] netlink_unicast+0x449/0x710 [ 3104.476860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.476860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.476860][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.476860][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.476860][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.476860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.476860][ T3767] [ 3104.479174][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3104.479174][ T3767] netdev_get_by_index+0x5e/0x80 [ 3104.479174][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3104.479174][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3104.479174][ T3767] ip6_route_add+0x1c/0x140 [ 3104.479174][ T3767] addrconf_add_mroute+0x129/0x180 [ 3104.479174][ T3767] addrconf_add_dev+0xe2/0x170 [ 3104.479174][ T3767] inet6_addr_add+0x12f/0xa40 [ 3104.479174][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3104.479174][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.479174][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.479174][ T3767] netlink_unicast+0x449/0x710 [ 3104.479174][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.479174][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.479174][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.479174][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.479174][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.479174][ T3767] [ 3104.481359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3104.481359][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3104.481359][ T3767] ipv6_find_idev+0x102/0x170 [ 3104.481359][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.481359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.481359][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.481359][ T3767] netlink_unicast+0x449/0x710 [ 3104.481359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.481359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.481359][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.481359][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.481359][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.481359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.481359][ T3767] [ 3104.483070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3104.483070][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3104.483070][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3104.483070][ T3767] ipv6_find_idev+0x102/0x170 [ 3104.483070][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3104.483070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3104.483070][ T3767] netlink_rcv_skb+0x130/0x360 [ 3104.483070][ T3767] netlink_unicast+0x449/0x710 [ 3104.483070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3104.483070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3104.483070][ T3767] ___sys_sendmsg+0xee/0x170 [ 3104.483070][ T3767] __sys_sendmsg+0xcd/0x170 [ 3104.483070][ T3767] do_syscall_64+0xc6/0x1e0 [ 3104.483070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3104.483070][ T3767] [ 3114.519974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3114.520411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3114.520411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3114.520411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3114.520411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3114.520411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3114.520411][ T3767] ip6_route_add+0x1c/0x140 [ 3114.520411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3114.520411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.520411][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.520411][ T3767] netlink_unicast+0x449/0x710 [ 3114.520411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.520411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.520411][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.520411][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.520411][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.520411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3114.520411][ T3767] [ 3114.522528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3114.522528][ T3767] netdev_get_by_index+0x5e/0x80 [ 3114.522528][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3114.522528][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3114.522528][ T3767] ip6_route_add+0x1c/0x140 [ 3114.522528][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3114.522528][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3114.522528][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3114.522528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.522528][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.522528][ T3767] netlink_unicast+0x449/0x710 [ 3114.522528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.522528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.522528][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.522528][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.522528][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.522528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3114.522528][ T3767] [ 3114.524773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3114.524773][ T3767] netdev_get_by_index+0x5e/0x80 [ 3114.524773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3114.524773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3114.524773][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3114.524773][ T3767] ipv6_add_addr+0x411/0x2000 [ 3114.524773][ T3767] inet6_addr_add+0x30e/0xa40 [ 3114.524773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3114.524773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.524773][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.524773][ T3767] netlink_unicast+0x449/0x710 [ 3114.524773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.524773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.524773][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.524773][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.524773][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.524773][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3114.524773][ T3767] [ 3114.526993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3114.526993][ T3767] netdev_get_by_index+0x5e/0x80 [ 3114.526993][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3114.526993][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3114.526993][ T3767] ip6_route_add+0x1c/0x140 [ 3114.526993][ T3767] addrconf_add_mroute+0x129/0x180 [ 3114.526993][ T3767] addrconf_add_dev+0xe2/0x170 [ 3114.526993][ T3767] inet6_addr_add+0x12f/0xa40 [ 3114.526993][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3114.526993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.526993][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.526993][ T3767] netlink_unicast+0x449/0x710 [ 3114.526993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.526993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.526993][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.526993][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.526993][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.526993][ T3767] [ 3114.529185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3114.529185][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3114.529185][ T3767] ipv6_find_idev+0x102/0x170 [ 3114.529185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3114.529185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.529185][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.529185][ T3767] netlink_unicast+0x449/0x710 [ 3114.529185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.529185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.529185][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.529185][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.529185][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.529185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3114.529185][ T3767] [ 3114.530901][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3114.530901][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3114.530901][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3114.530901][ T3767] ipv6_find_idev+0x102/0x170 [ 3114.530901][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3114.530901][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3114.530901][ T3767] netlink_rcv_skb+0x130/0x360 [ 3114.530901][ T3767] netlink_unicast+0x449/0x710 [ 3114.530901][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3114.530901][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3114.530901][ T3767] ___sys_sendmsg+0xee/0x170 [ 3114.530901][ T3767] __sys_sendmsg+0xcd/0x170 [ 3114.530901][ T3767] do_syscall_64+0xc6/0x1e0 [ 3114.530901][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3114.530901][ T3767] [ 3124.783953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3124.784448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3124.784448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3124.784448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3124.784448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3124.784448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3124.784448][ T3767] ip6_route_add+0x1c/0x140 [ 3124.784448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3124.784448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.784448][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.784448][ T3767] netlink_unicast+0x449/0x710 [ 3124.784448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.784448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.784448][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.784448][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.784448][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.784448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3124.784448][ T3767] [ 3124.786543][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3124.786543][ T3767] netdev_get_by_index+0x5e/0x80 [ 3124.786543][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3124.786543][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3124.786543][ T3767] ip6_route_add+0x1c/0x140 [ 3124.786543][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3124.786543][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3124.786543][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3124.786543][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.786543][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.786543][ T3767] netlink_unicast+0x449/0x710 [ 3124.786543][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.786543][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.786543][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.786543][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.786543][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.786543][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3124.786543][ T3767] [ 3124.788740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3124.788740][ T3767] netdev_get_by_index+0x5e/0x80 [ 3124.788740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3124.788740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3124.788740][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3124.788740][ T3767] ipv6_add_addr+0x411/0x2000 [ 3124.788740][ T3767] inet6_addr_add+0x30e/0xa40 [ 3124.788740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3124.788740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.788740][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.788740][ T3767] netlink_unicast+0x449/0x710 [ 3124.788740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.788740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.788740][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.788740][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.788740][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.788740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3124.788740][ T3767] [ 3124.790937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3124.790937][ T3767] netdev_get_by_index+0x5e/0x80 [ 3124.790937][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3124.790937][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3124.790937][ T3767] ip6_route_add+0x1c/0x140 [ 3124.790937][ T3767] addrconf_add_mroute+0x129/0x180 [ 3124.790937][ T3767] addrconf_add_dev+0xe2/0x170 [ 3124.790937][ T3767] inet6_addr_add+0x12f/0xa40 [ 3124.790937][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3124.790937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.790937][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.790937][ T3767] netlink_unicast+0x449/0x710 [ 3124.790937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.790937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.790937][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.790937][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.790937][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.790937][ T3767] [ 3124.793104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3124.793104][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3124.793104][ T3767] ipv6_find_idev+0x102/0x170 [ 3124.793104][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3124.793104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.793104][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.793104][ T3767] netlink_unicast+0x449/0x710 [ 3124.793104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.793104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.793104][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.793104][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.793104][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.793104][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3124.793104][ T3767] [ 3124.794792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3124.794792][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3124.794792][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3124.794792][ T3767] ipv6_find_idev+0x102/0x170 [ 3124.794792][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3124.794792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3124.794792][ T3767] netlink_rcv_skb+0x130/0x360 [ 3124.794792][ T3767] netlink_unicast+0x449/0x710 [ 3124.794792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3124.794792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3124.794792][ T3767] ___sys_sendmsg+0xee/0x170 [ 3124.794792][ T3767] __sys_sendmsg+0xcd/0x170 [ 3124.794792][ T3767] do_syscall_64+0xc6/0x1e0 [ 3124.794792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3124.794792][ T3767] [ 3135.047987][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3135.048483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3135.048483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3135.048483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3135.048483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3135.048483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3135.048483][ T3767] ip6_route_add+0x1c/0x140 [ 3135.048483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3135.048483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.048483][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.048483][ T3767] netlink_unicast+0x449/0x710 [ 3135.048483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.048483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.048483][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.048483][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.048483][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.048483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.048483][ T3767] [ 3135.050623][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3135.050623][ T3767] netdev_get_by_index+0x5e/0x80 [ 3135.050623][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3135.050623][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3135.050623][ T3767] ip6_route_add+0x1c/0x140 [ 3135.050623][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3135.050623][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3135.050623][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.050623][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.050623][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.050623][ T3767] netlink_unicast+0x449/0x710 [ 3135.050623][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.050623][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.050623][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.050623][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.050623][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.050623][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.050623][ T3767] [ 3135.052818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3135.052818][ T3767] netdev_get_by_index+0x5e/0x80 [ 3135.052818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3135.052818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3135.052818][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3135.052818][ T3767] ipv6_add_addr+0x411/0x2000 [ 3135.052818][ T3767] inet6_addr_add+0x30e/0xa40 [ 3135.052818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.052818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.052818][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.052818][ T3767] netlink_unicast+0x449/0x710 [ 3135.052818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.052818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.052818][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.052818][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.052818][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.052818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.052818][ T3767] [ 3135.055006][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3135.055006][ T3767] netdev_get_by_index+0x5e/0x80 [ 3135.055006][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3135.055006][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3135.055006][ T3767] ip6_route_add+0x1c/0x140 [ 3135.055006][ T3767] addrconf_add_mroute+0x129/0x180 [ 3135.055006][ T3767] addrconf_add_dev+0xe2/0x170 [ 3135.055006][ T3767] inet6_addr_add+0x12f/0xa40 [ 3135.055006][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3135.055006][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.055006][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.055006][ T3767] netlink_unicast+0x449/0x710 [ 3135.055006][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.055006][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.055006][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.055006][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.055006][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.055006][ T3767] [ 3135.057169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3135.057169][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3135.057169][ T3767] ipv6_find_idev+0x102/0x170 [ 3135.057169][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.057169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.057169][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.057169][ T3767] netlink_unicast+0x449/0x710 [ 3135.057169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.057169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.057169][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.057169][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.057169][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.057169][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.057169][ T3767] [ 3135.058852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3135.058852][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3135.058852][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3135.058852][ T3767] ipv6_find_idev+0x102/0x170 [ 3135.058852][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3135.058852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3135.058852][ T3767] netlink_rcv_skb+0x130/0x360 [ 3135.058852][ T3767] netlink_unicast+0x449/0x710 [ 3135.058852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3135.058852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3135.058852][ T3767] ___sys_sendmsg+0xee/0x170 [ 3135.058852][ T3767] __sys_sendmsg+0xcd/0x170 [ 3135.058852][ T3767] do_syscall_64+0xc6/0x1e0 [ 3135.058852][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3135.058852][ T3767] [ 3145.303974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3145.304435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3145.304435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3145.304435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3145.304435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3145.304435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3145.304435][ T3767] ip6_route_add+0x1c/0x140 [ 3145.304435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3145.304435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.304435][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.304435][ T3767] netlink_unicast+0x449/0x710 [ 3145.304435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.304435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.304435][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.304435][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.304435][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.304435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.304435][ T3767] [ 3145.306708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3145.306708][ T3767] netdev_get_by_index+0x5e/0x80 [ 3145.306708][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3145.306708][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3145.306708][ T3767] ip6_route_add+0x1c/0x140 [ 3145.306708][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3145.306708][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3145.306708][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.306708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.306708][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.306708][ T3767] netlink_unicast+0x449/0x710 [ 3145.306708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.306708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.306708][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.306708][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.306708][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.306708][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.306708][ T3767] [ 3145.309104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3145.309104][ T3767] netdev_get_by_index+0x5e/0x80 [ 3145.309104][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3145.309104][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3145.309104][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3145.309104][ T3767] ipv6_add_addr+0x411/0x2000 [ 3145.309104][ T3767] inet6_addr_add+0x30e/0xa40 [ 3145.309104][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.309104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.309104][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.309104][ T3767] netlink_unicast+0x449/0x710 [ 3145.309104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.309104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.309104][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.309104][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.309104][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.309104][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.309104][ T3767] [ 3145.311460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3145.311460][ T3767] netdev_get_by_index+0x5e/0x80 [ 3145.311460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3145.311460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3145.311460][ T3767] ip6_route_add+0x1c/0x140 [ 3145.311460][ T3767] addrconf_add_mroute+0x129/0x180 [ 3145.311460][ T3767] addrconf_add_dev+0xe2/0x170 [ 3145.311460][ T3767] inet6_addr_add+0x12f/0xa40 [ 3145.311460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3145.311460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.311460][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.311460][ T3767] netlink_unicast+0x449/0x710 [ 3145.311460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.311460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.311460][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.311460][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.311460][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.311460][ T3767] [ 3145.313757][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3145.313757][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3145.313757][ T3767] ipv6_find_idev+0x102/0x170 [ 3145.313757][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.313757][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.313757][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.313757][ T3767] netlink_unicast+0x449/0x710 [ 3145.313757][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.313757][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.313757][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.313757][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.313757][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.313757][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.313757][ T3767] [ 3145.315574][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3145.315574][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3145.315574][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3145.315574][ T3767] ipv6_find_idev+0x102/0x170 [ 3145.315574][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3145.315574][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3145.315574][ T3767] netlink_rcv_skb+0x130/0x360 [ 3145.315574][ T3767] netlink_unicast+0x449/0x710 [ 3145.315574][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3145.315574][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3145.315574][ T3767] ___sys_sendmsg+0xee/0x170 [ 3145.315574][ T3767] __sys_sendmsg+0xcd/0x170 [ 3145.315574][ T3767] do_syscall_64+0xc6/0x1e0 [ 3145.315574][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3145.315574][ T3767] [ 3155.407888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3155.408399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3155.408399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3155.408399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3155.408399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3155.408399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3155.408399][ T3767] ip6_route_add+0x1c/0x140 [ 3155.408399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3155.408399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.408399][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.408399][ T3767] netlink_unicast+0x449/0x710 [ 3155.408399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.408399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.408399][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.408399][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.408399][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.408399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.408399][ T3767] [ 3155.410480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3155.410480][ T3767] netdev_get_by_index+0x5e/0x80 [ 3155.410480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3155.410480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3155.410480][ T3767] ip6_route_add+0x1c/0x140 [ 3155.410480][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3155.410480][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3155.410480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.410480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.410480][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.410480][ T3767] netlink_unicast+0x449/0x710 [ 3155.410480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.410480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.410480][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.410480][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.410480][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.410480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.410480][ T3767] [ 3155.412690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3155.412690][ T3767] netdev_get_by_index+0x5e/0x80 [ 3155.412690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3155.412690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3155.412690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3155.412690][ T3767] ipv6_add_addr+0x411/0x2000 [ 3155.412690][ T3767] inet6_addr_add+0x30e/0xa40 [ 3155.412690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.412690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.412690][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.412690][ T3767] netlink_unicast+0x449/0x710 [ 3155.412690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.412690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.412690][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.412690][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.412690][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.412690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.412690][ T3767] [ 3155.414885][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3155.414885][ T3767] netdev_get_by_index+0x5e/0x80 [ 3155.414885][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3155.414885][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3155.414885][ T3767] ip6_route_add+0x1c/0x140 [ 3155.414885][ T3767] addrconf_add_mroute+0x129/0x180 [ 3155.414885][ T3767] addrconf_add_dev+0xe2/0x170 [ 3155.414885][ T3767] inet6_addr_add+0x12f/0xa40 [ 3155.414885][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3155.414885][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.414885][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.414885][ T3767] netlink_unicast+0x449/0x710 [ 3155.414885][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.414885][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.414885][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.414885][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.414885][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.414885][ T3767] [ 3155.417039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3155.417039][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3155.417039][ T3767] ipv6_find_idev+0x102/0x170 [ 3155.417039][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.417039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.417039][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.417039][ T3767] netlink_unicast+0x449/0x710 [ 3155.417039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.417039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.417039][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.417039][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.417039][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.417039][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.417039][ T3767] [ 3155.418719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3155.418719][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3155.418719][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3155.418719][ T3767] ipv6_find_idev+0x102/0x170 [ 3155.418719][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3155.418719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3155.418719][ T3767] netlink_rcv_skb+0x130/0x360 [ 3155.418719][ T3767] netlink_unicast+0x449/0x710 [ 3155.418719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3155.418719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3155.418719][ T3767] ___sys_sendmsg+0xee/0x170 [ 3155.418719][ T3767] __sys_sendmsg+0xcd/0x170 [ 3155.418719][ T3767] do_syscall_64+0xc6/0x1e0 [ 3155.418719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3155.418719][ T3767] [ 3165.655943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3165.656421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3165.656421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3165.656421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3165.656421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3165.656421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3165.656421][ T3767] ip6_route_add+0x1c/0x140 [ 3165.656421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3165.656421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.656421][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.656421][ T3767] netlink_unicast+0x449/0x710 [ 3165.656421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.656421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.656421][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.656421][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.656421][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.656421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3165.656421][ T3767] [ 3165.658667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3165.658667][ T3767] netdev_get_by_index+0x5e/0x80 [ 3165.658667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3165.658667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3165.658667][ T3767] ip6_route_add+0x1c/0x140 [ 3165.658667][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3165.658667][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3165.658667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3165.658667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.658667][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.658667][ T3767] netlink_unicast+0x449/0x710 [ 3165.658667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.658667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.658667][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.658667][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.658667][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.658667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3165.658667][ T3767] [ 3165.661049][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3165.661049][ T3767] netdev_get_by_index+0x5e/0x80 [ 3165.661049][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3165.661049][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3165.661049][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3165.661049][ T3767] ipv6_add_addr+0x411/0x2000 [ 3165.661049][ T3767] inet6_addr_add+0x30e/0xa40 [ 3165.661049][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3165.661049][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.661049][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.661049][ T3767] netlink_unicast+0x449/0x710 [ 3165.661049][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.661049][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.661049][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.661049][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.661049][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.661049][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3165.661049][ T3767] [ 3165.663421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3165.663421][ T3767] netdev_get_by_index+0x5e/0x80 [ 3165.663421][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3165.663421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3165.663421][ T3767] ip6_route_add+0x1c/0x140 [ 3165.663421][ T3767] addrconf_add_mroute+0x129/0x180 [ 3165.663421][ T3767] addrconf_add_dev+0xe2/0x170 [ 3165.663421][ T3767] inet6_addr_add+0x12f/0xa40 [ 3165.663421][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3165.663421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.663421][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.663421][ T3767] netlink_unicast+0x449/0x710 [ 3165.663421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.663421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.663421][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.663421][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.663421][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.663421][ T3767] [ 3165.665746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3165.665746][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3165.665746][ T3767] ipv6_find_idev+0x102/0x170 [ 3165.665746][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3165.665746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.665746][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.665746][ T3767] netlink_unicast+0x449/0x710 [ 3165.665746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.665746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.665746][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.665746][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.665746][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.665746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3165.665746][ T3767] [ 3165.667556][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3165.667556][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3165.667556][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3165.667556][ T3767] ipv6_find_idev+0x102/0x170 [ 3165.667556][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3165.667556][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3165.667556][ T3767] netlink_rcv_skb+0x130/0x360 [ 3165.667556][ T3767] netlink_unicast+0x449/0x710 [ 3165.667556][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3165.667556][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3165.667556][ T3767] ___sys_sendmsg+0xee/0x170 [ 3165.667556][ T3767] __sys_sendmsg+0xcd/0x170 [ 3165.667556][ T3767] do_syscall_64+0xc6/0x1e0 [ 3165.667556][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3165.667556][ T3767] [ 3175.871912][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3175.872433][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3175.872433][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3175.872433][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3175.872433][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3175.872433][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3175.872433][ T3767] ip6_route_add+0x1c/0x140 [ 3175.872433][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3175.872433][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.872433][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.872433][ T3767] netlink_unicast+0x449/0x710 [ 3175.872433][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.872433][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.872433][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.872433][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.872433][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.872433][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3175.872433][ T3767] [ 3175.874541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3175.874541][ T3767] netdev_get_by_index+0x5e/0x80 [ 3175.874541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3175.874541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3175.874541][ T3767] ip6_route_add+0x1c/0x140 [ 3175.874541][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3175.874541][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3175.874541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3175.874541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.874541][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.874541][ T3767] netlink_unicast+0x449/0x710 [ 3175.874541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.874541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.874541][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.874541][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.874541][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.874541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3175.874541][ T3767] [ 3175.876753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3175.876753][ T3767] netdev_get_by_index+0x5e/0x80 [ 3175.876753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3175.876753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3175.876753][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3175.876753][ T3767] ipv6_add_addr+0x411/0x2000 [ 3175.876753][ T3767] inet6_addr_add+0x30e/0xa40 [ 3175.876753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3175.876753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.876753][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.876753][ T3767] netlink_unicast+0x449/0x710 [ 3175.876753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.876753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.876753][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.876753][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.876753][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.876753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3175.876753][ T3767] [ 3175.878953][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3175.878953][ T3767] netdev_get_by_index+0x5e/0x80 [ 3175.878953][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3175.878953][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3175.878953][ T3767] ip6_route_add+0x1c/0x140 [ 3175.878953][ T3767] addrconf_add_mroute+0x129/0x180 [ 3175.878953][ T3767] addrconf_add_dev+0xe2/0x170 [ 3175.878953][ T3767] inet6_addr_add+0x12f/0xa40 [ 3175.878953][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3175.878953][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.878953][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.878953][ T3767] netlink_unicast+0x449/0x710 [ 3175.878953][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.878953][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.878953][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.878953][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.878953][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.878953][ T3767] [ 3175.881113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3175.881113][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3175.881113][ T3767] ipv6_find_idev+0x102/0x170 [ 3175.881113][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3175.881113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.881113][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.881113][ T3767] netlink_unicast+0x449/0x710 [ 3175.881113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.881113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.881113][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.881113][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.881113][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.881113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3175.881113][ T3767] [ 3175.882867][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3175.882867][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3175.882867][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3175.882867][ T3767] ipv6_find_idev+0x102/0x170 [ 3175.882867][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3175.882867][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3175.882867][ T3767] netlink_rcv_skb+0x130/0x360 [ 3175.882867][ T3767] netlink_unicast+0x449/0x710 [ 3175.882867][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3175.882867][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3175.882867][ T3767] ___sys_sendmsg+0xee/0x170 [ 3175.882867][ T3767] __sys_sendmsg+0xcd/0x170 [ 3175.882867][ T3767] do_syscall_64+0xc6/0x1e0 [ 3175.882867][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3175.882867][ T3767] [ 3186.119893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3186.120365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3186.120365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3186.120365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3186.120365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3186.120365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3186.120365][ T3767] ip6_route_add+0x1c/0x140 [ 3186.120365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3186.120365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.120365][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.120365][ T3767] netlink_unicast+0x449/0x710 [ 3186.120365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.120365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.120365][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.120365][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.120365][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.120365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.120365][ T3767] [ 3186.122575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3186.122575][ T3767] netdev_get_by_index+0x5e/0x80 [ 3186.122575][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3186.122575][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3186.122575][ T3767] ip6_route_add+0x1c/0x140 [ 3186.122575][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3186.122575][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3186.122575][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.122575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.122575][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.122575][ T3767] netlink_unicast+0x449/0x710 [ 3186.122575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.122575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.122575][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.122575][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.122575][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.122575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.122575][ T3767] [ 3186.124778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3186.124778][ T3767] netdev_get_by_index+0x5e/0x80 [ 3186.124778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3186.124778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3186.124778][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3186.124778][ T3767] ipv6_add_addr+0x411/0x2000 [ 3186.124778][ T3767] inet6_addr_add+0x30e/0xa40 [ 3186.124778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.124778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.124778][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.124778][ T3767] netlink_unicast+0x449/0x710 [ 3186.124778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.124778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.124778][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.124778][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.124778][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.124778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.124778][ T3767] [ 3186.126976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3186.126976][ T3767] netdev_get_by_index+0x5e/0x80 [ 3186.126976][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3186.126976][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3186.126976][ T3767] ip6_route_add+0x1c/0x140 [ 3186.126976][ T3767] addrconf_add_mroute+0x129/0x180 [ 3186.126976][ T3767] addrconf_add_dev+0xe2/0x170 [ 3186.126976][ T3767] inet6_addr_add+0x12f/0xa40 [ 3186.126976][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3186.126976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.126976][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.126976][ T3767] netlink_unicast+0x449/0x710 [ 3186.126976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.126976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.126976][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.126976][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.126976][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.126976][ T3767] [ 3186.129138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3186.129138][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3186.129138][ T3767] ipv6_find_idev+0x102/0x170 [ 3186.129138][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.129138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.129138][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.129138][ T3767] netlink_unicast+0x449/0x710 [ 3186.129138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.129138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.129138][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.129138][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.129138][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.129138][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.129138][ T3767] [ 3186.130823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3186.130823][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3186.130823][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3186.130823][ T3767] ipv6_find_idev+0x102/0x170 [ 3186.130823][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3186.130823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3186.130823][ T3767] netlink_rcv_skb+0x130/0x360 [ 3186.130823][ T3767] netlink_unicast+0x449/0x710 [ 3186.130823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3186.130823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3186.130823][ T3767] ___sys_sendmsg+0xee/0x170 [ 3186.130823][ T3767] __sys_sendmsg+0xcd/0x170 [ 3186.130823][ T3767] do_syscall_64+0xc6/0x1e0 [ 3186.130823][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3186.130823][ T3767] [ 3196.239940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3196.240409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3196.240409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3196.240409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3196.240409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3196.240409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3196.240409][ T3767] ip6_route_add+0x1c/0x140 [ 3196.240409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3196.240409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.240409][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.240409][ T3767] netlink_unicast+0x449/0x710 [ 3196.240409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.240409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.240409][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.240409][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.240409][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.240409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.240409][ T3767] [ 3196.242539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3196.242539][ T3767] netdev_get_by_index+0x5e/0x80 [ 3196.242539][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3196.242539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3196.242539][ T3767] ip6_route_add+0x1c/0x140 [ 3196.242539][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3196.242539][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3196.242539][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3196.242539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.242539][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.242539][ T3767] netlink_unicast+0x449/0x710 [ 3196.242539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.242539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.242539][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.242539][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.242539][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.242539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.242539][ T3767] [ 3196.244755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3196.244755][ T3767] netdev_get_by_index+0x5e/0x80 [ 3196.244755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3196.244755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3196.244755][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3196.244755][ T3767] ipv6_add_addr+0x411/0x2000 [ 3196.244755][ T3767] inet6_addr_add+0x30e/0xa40 [ 3196.244755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3196.244755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.244755][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.244755][ T3767] netlink_unicast+0x449/0x710 [ 3196.244755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.244755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.244755][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.244755][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.244755][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.244755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.244755][ T3767] [ 3196.246970][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3196.246970][ T3767] netdev_get_by_index+0x5e/0x80 [ 3196.246970][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3196.246970][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3196.246970][ T3767] ip6_route_add+0x1c/0x140 [ 3196.246970][ T3767] addrconf_add_mroute+0x129/0x180 [ 3196.246970][ T3767] addrconf_add_dev+0xe2/0x170 [ 3196.246970][ T3767] inet6_addr_add+0x12f/0xa40 [ 3196.246970][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3196.246970][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.246970][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.246970][ T3767] netlink_unicast+0x449/0x710 [ 3196.246970][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.246970][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.246970][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.246970][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.246970][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.246970][ T3767] [ 3196.249142][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3196.249142][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3196.249142][ T3767] ipv6_find_idev+0x102/0x170 [ 3196.249142][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3196.249142][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.249142][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.249142][ T3767] netlink_unicast+0x449/0x710 [ 3196.249142][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.249142][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.249142][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.249142][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.249142][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.249142][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.249142][ T3767] [ 3196.250848][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3196.250848][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3196.250848][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3196.250848][ T3767] ipv6_find_idev+0x102/0x170 [ 3196.250848][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3196.250848][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3196.250848][ T3767] netlink_rcv_skb+0x130/0x360 [ 3196.250848][ T3767] netlink_unicast+0x449/0x710 [ 3196.250848][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3196.250848][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3196.250848][ T3767] ___sys_sendmsg+0xee/0x170 [ 3196.250848][ T3767] __sys_sendmsg+0xcd/0x170 [ 3196.250848][ T3767] do_syscall_64+0xc6/0x1e0 [ 3196.250848][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.250848][ T3767] [ 3206.487970][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3206.488380][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3206.488380][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3206.488380][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3206.488380][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3206.488380][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3206.488380][ T3767] ip6_route_add+0x1c/0x140 [ 3206.488380][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3206.488380][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.488380][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.488380][ T3767] netlink_unicast+0x449/0x710 [ 3206.488380][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.488380][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.488380][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.488380][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.488380][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.488380][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3206.488380][ T3767] [ 3206.490494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3206.490494][ T3767] netdev_get_by_index+0x5e/0x80 [ 3206.490494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3206.490494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3206.490494][ T3767] ip6_route_add+0x1c/0x140 [ 3206.490494][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3206.490494][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3206.490494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3206.490494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.490494][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.490494][ T3767] netlink_unicast+0x449/0x710 [ 3206.490494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.490494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.490494][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.490494][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.490494][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.490494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3206.490494][ T3767] [ 3206.492713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3206.492713][ T3767] netdev_get_by_index+0x5e/0x80 [ 3206.492713][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3206.492713][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3206.492713][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3206.492713][ T3767] ipv6_add_addr+0x411/0x2000 [ 3206.492713][ T3767] inet6_addr_add+0x30e/0xa40 [ 3206.492713][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3206.492713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.492713][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.492713][ T3767] netlink_unicast+0x449/0x710 [ 3206.492713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.492713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.492713][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.492713][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.492713][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.492713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3206.492713][ T3767] [ 3206.494915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3206.494915][ T3767] netdev_get_by_index+0x5e/0x80 [ 3206.494915][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3206.494915][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3206.494915][ T3767] ip6_route_add+0x1c/0x140 [ 3206.494915][ T3767] addrconf_add_mroute+0x129/0x180 [ 3206.494915][ T3767] addrconf_add_dev+0xe2/0x170 [ 3206.494915][ T3767] inet6_addr_add+0x12f/0xa40 [ 3206.494915][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3206.494915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.494915][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.494915][ T3767] netlink_unicast+0x449/0x710 [ 3206.494915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.494915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.494915][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.494915][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.494915][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.494915][ T3767] [ 3206.497072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3206.497072][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3206.497072][ T3767] ipv6_find_idev+0x102/0x170 [ 3206.497072][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3206.497072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.497072][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.497072][ T3767] netlink_unicast+0x449/0x710 [ 3206.497072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.497072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.497072][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.497072][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.497072][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.497072][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3206.497072][ T3767] [ 3206.499308][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3206.499308][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3206.499308][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3206.499308][ T3767] ipv6_find_idev+0x102/0x170 [ 3206.499308][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3206.499308][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3206.499308][ T3767] netlink_rcv_skb+0x130/0x360 [ 3206.499308][ T3767] netlink_unicast+0x449/0x710 [ 3206.499308][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3206.499308][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3206.499308][ T3767] ___sys_sendmsg+0xee/0x170 [ 3206.499308][ T3767] __sys_sendmsg+0xcd/0x170 [ 3206.499308][ T3767] do_syscall_64+0xc6/0x1e0 [ 3206.499308][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3206.499308][ T3767] [ 3216.591886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3216.592311][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3216.592311][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3216.592311][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3216.592311][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3216.592311][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3216.592311][ T3767] ip6_route_add+0x1c/0x140 [ 3216.592311][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3216.592311][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.592311][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.592311][ T3767] netlink_unicast+0x449/0x710 [ 3216.592311][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.592311][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.592311][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.592311][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.592311][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.592311][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3216.592311][ T3767] [ 3216.594394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3216.594394][ T3767] netdev_get_by_index+0x5e/0x80 [ 3216.594394][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3216.594394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3216.594394][ T3767] ip6_route_add+0x1c/0x140 [ 3216.594394][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3216.594394][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3216.594394][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3216.594394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.594394][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.594394][ T3767] netlink_unicast+0x449/0x710 [ 3216.594394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.594394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.594394][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.594394][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.594394][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.594394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3216.594394][ T3767] [ 3216.596587][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3216.596587][ T3767] netdev_get_by_index+0x5e/0x80 [ 3216.596587][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3216.596587][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3216.596587][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3216.596587][ T3767] ipv6_add_addr+0x411/0x2000 [ 3216.596587][ T3767] inet6_addr_add+0x30e/0xa40 [ 3216.596587][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3216.596587][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.596587][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.596587][ T3767] netlink_unicast+0x449/0x710 [ 3216.596587][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.596587][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.596587][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.596587][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.596587][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.596587][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3216.596587][ T3767] [ 3216.598795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3216.598795][ T3767] netdev_get_by_index+0x5e/0x80 [ 3216.598795][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3216.598795][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3216.598795][ T3767] ip6_route_add+0x1c/0x140 [ 3216.598795][ T3767] addrconf_add_mroute+0x129/0x180 [ 3216.598795][ T3767] addrconf_add_dev+0xe2/0x170 [ 3216.598795][ T3767] inet6_addr_add+0x12f/0xa40 [ 3216.598795][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3216.598795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.598795][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.598795][ T3767] netlink_unicast+0x449/0x710 [ 3216.598795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.598795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.598795][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.598795][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.598795][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.598795][ T3767] [ 3216.600945][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3216.600945][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3216.600945][ T3767] ipv6_find_idev+0x102/0x170 [ 3216.600945][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3216.600945][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.600945][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.600945][ T3767] netlink_unicast+0x449/0x710 [ 3216.600945][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.600945][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.600945][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.600945][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.600945][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.600945][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3216.600945][ T3767] [ 3216.602638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3216.602638][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3216.602638][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3216.602638][ T3767] ipv6_find_idev+0x102/0x170 [ 3216.602638][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3216.602638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3216.602638][ T3767] netlink_rcv_skb+0x130/0x360 [ 3216.602638][ T3767] netlink_unicast+0x449/0x710 [ 3216.602638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3216.602638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3216.602638][ T3767] ___sys_sendmsg+0xee/0x170 [ 3216.602638][ T3767] __sys_sendmsg+0xcd/0x170 [ 3216.602638][ T3767] do_syscall_64+0xc6/0x1e0 [ 3216.602638][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3216.602638][ T3767] [ 3226.847953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3226.848447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3226.848447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3226.848447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3226.848447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3226.848447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3226.848447][ T3767] ip6_route_add+0x1c/0x140 [ 3226.848447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3226.848447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.848447][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.848447][ T3767] netlink_unicast+0x449/0x710 [ 3226.848447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.848447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.848447][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.848447][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.848447][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.848447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3226.848447][ T3767] [ 3226.850545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3226.850545][ T3767] netdev_get_by_index+0x5e/0x80 [ 3226.850545][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3226.850545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3226.850545][ T3767] ip6_route_add+0x1c/0x140 [ 3226.850545][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3226.850545][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3226.850545][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3226.850545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.850545][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.850545][ T3767] netlink_unicast+0x449/0x710 [ 3226.850545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.850545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.850545][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.850545][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.850545][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.850545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3226.850545][ T3767] [ 3226.852755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3226.852755][ T3767] netdev_get_by_index+0x5e/0x80 [ 3226.852755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3226.852755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3226.852755][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3226.852755][ T3767] ipv6_add_addr+0x411/0x2000 [ 3226.852755][ T3767] inet6_addr_add+0x30e/0xa40 [ 3226.852755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3226.852755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.852755][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.852755][ T3767] netlink_unicast+0x449/0x710 [ 3226.852755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.852755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.852755][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.852755][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.852755][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.852755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3226.852755][ T3767] [ 3226.854952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3226.854952][ T3767] netdev_get_by_index+0x5e/0x80 [ 3226.854952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3226.854952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3226.854952][ T3767] ip6_route_add+0x1c/0x140 [ 3226.854952][ T3767] addrconf_add_mroute+0x129/0x180 [ 3226.854952][ T3767] addrconf_add_dev+0xe2/0x170 [ 3226.854952][ T3767] inet6_addr_add+0x12f/0xa40 [ 3226.854952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3226.854952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.854952][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.854952][ T3767] netlink_unicast+0x449/0x710 [ 3226.854952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.854952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.854952][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.854952][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.854952][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.854952][ T3767] [ 3226.857101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3226.857101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3226.857101][ T3767] ipv6_find_idev+0x102/0x170 [ 3226.857101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3226.857101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.857101][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.857101][ T3767] netlink_unicast+0x449/0x710 [ 3226.857101][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.857101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.857101][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.857101][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.857101][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.857101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3226.857101][ T3767] [ 3226.858783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3226.858783][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3226.858783][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3226.858783][ T3767] ipv6_find_idev+0x102/0x170 [ 3226.858783][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3226.858783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3226.858783][ T3767] netlink_rcv_skb+0x130/0x360 [ 3226.858783][ T3767] netlink_unicast+0x449/0x710 [ 3226.858783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3226.858783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3226.858783][ T3767] ___sys_sendmsg+0xee/0x170 [ 3226.858783][ T3767] __sys_sendmsg+0xcd/0x170 [ 3226.858783][ T3767] do_syscall_64+0xc6/0x1e0 [ 3226.858783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3226.858783][ T3767] [ 3237.111871][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3237.112342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3237.112342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3237.112342][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3237.112342][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3237.112342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3237.112342][ T3767] ip6_route_add+0x1c/0x140 [ 3237.112342][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3237.112342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.112342][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.112342][ T3767] netlink_unicast+0x449/0x710 [ 3237.112342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.112342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.112342][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.112342][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.112342][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.112342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.112342][ T3767] [ 3237.114456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3237.114456][ T3767] netdev_get_by_index+0x5e/0x80 [ 3237.114456][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3237.114456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3237.114456][ T3767] ip6_route_add+0x1c/0x140 [ 3237.114456][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3237.114456][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3237.114456][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.114456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.114456][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.114456][ T3767] netlink_unicast+0x449/0x710 [ 3237.114456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.114456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.114456][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.114456][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.114456][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.114456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.114456][ T3767] [ 3237.116656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3237.116656][ T3767] netdev_get_by_index+0x5e/0x80 [ 3237.116656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3237.116656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3237.116656][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3237.116656][ T3767] ipv6_add_addr+0x411/0x2000 [ 3237.116656][ T3767] inet6_addr_add+0x30e/0xa40 [ 3237.116656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.116656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.116656][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.116656][ T3767] netlink_unicast+0x449/0x710 [ 3237.116656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.116656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.116656][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.116656][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.116656][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.116656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.116656][ T3767] [ 3237.118844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3237.118844][ T3767] netdev_get_by_index+0x5e/0x80 [ 3237.118844][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3237.118844][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3237.118844][ T3767] ip6_route_add+0x1c/0x140 [ 3237.118844][ T3767] addrconf_add_mroute+0x129/0x180 [ 3237.118844][ T3767] addrconf_add_dev+0xe2/0x170 [ 3237.118844][ T3767] inet6_addr_add+0x12f/0xa40 [ 3237.118844][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3237.118844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.118844][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.118844][ T3767] netlink_unicast+0x449/0x710 [ 3237.118844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.118844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.118844][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.118844][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.118844][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.118844][ T3767] [ 3237.120999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3237.120999][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3237.120999][ T3767] ipv6_find_idev+0x102/0x170 [ 3237.120999][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.120999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.120999][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.120999][ T3767] netlink_unicast+0x449/0x710 [ 3237.120999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.120999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.120999][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.120999][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.120999][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.120999][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.120999][ T3767] [ 3237.122689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3237.122689][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3237.122689][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3237.122689][ T3767] ipv6_find_idev+0x102/0x170 [ 3237.122689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3237.122689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3237.122689][ T3767] netlink_rcv_skb+0x130/0x360 [ 3237.122689][ T3767] netlink_unicast+0x449/0x710 [ 3237.122689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3237.122689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3237.122689][ T3767] ___sys_sendmsg+0xee/0x170 [ 3237.122689][ T3767] __sys_sendmsg+0xcd/0x170 [ 3237.122689][ T3767] do_syscall_64+0xc6/0x1e0 [ 3237.122689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3237.122689][ T3767] [ 3247.367867][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3247.368351][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3247.368351][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3247.368351][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3247.368351][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3247.368351][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3247.368351][ T3767] ip6_route_add+0x1c/0x140 [ 3247.368351][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3247.368351][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.368351][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.368351][ T3767] netlink_unicast+0x449/0x710 [ 3247.368351][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.368351][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.368351][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.368351][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.368351][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.368351][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3247.368351][ T3767] [ 3247.370439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3247.370439][ T3767] netdev_get_by_index+0x5e/0x80 [ 3247.370439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3247.370439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3247.370439][ T3767] ip6_route_add+0x1c/0x140 [ 3247.370439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3247.370439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3247.370439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3247.370439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.370439][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.370439][ T3767] netlink_unicast+0x449/0x710 [ 3247.370439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.370439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.370439][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.370439][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.370439][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.370439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3247.370439][ T3767] [ 3247.372660][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3247.372660][ T3767] netdev_get_by_index+0x5e/0x80 [ 3247.372660][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3247.372660][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3247.372660][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3247.372660][ T3767] ipv6_add_addr+0x411/0x2000 [ 3247.372660][ T3767] inet6_addr_add+0x30e/0xa40 [ 3247.372660][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3247.372660][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.372660][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.372660][ T3767] netlink_unicast+0x449/0x710 [ 3247.372660][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.372660][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.372660][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.372660][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.372660][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.372660][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3247.372660][ T3767] [ 3247.374924][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3247.374924][ T3767] netdev_get_by_index+0x5e/0x80 [ 3247.374924][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3247.374924][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3247.374924][ T3767] ip6_route_add+0x1c/0x140 [ 3247.374924][ T3767] addrconf_add_mroute+0x129/0x180 [ 3247.374924][ T3767] addrconf_add_dev+0xe2/0x170 [ 3247.374924][ T3767] inet6_addr_add+0x12f/0xa40 [ 3247.374924][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3247.374924][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.374924][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.374924][ T3767] netlink_unicast+0x449/0x710 [ 3247.374924][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.374924][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.374924][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.374924][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.374924][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.374924][ T3767] [ 3247.377483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3247.377483][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3247.377483][ T3767] ipv6_find_idev+0x102/0x170 [ 3247.377483][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3247.377483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.377483][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.377483][ T3767] netlink_unicast+0x449/0x710 [ 3247.377483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.377483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.377483][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.377483][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.377483][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.377483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3247.377483][ T3767] [ 3247.379415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3247.379415][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3247.379415][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3247.379415][ T3767] ipv6_find_idev+0x102/0x170 [ 3247.379415][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3247.379415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3247.379415][ T3767] netlink_rcv_skb+0x130/0x360 [ 3247.379415][ T3767] netlink_unicast+0x449/0x710 [ 3247.379415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3247.379415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3247.379415][ T3767] ___sys_sendmsg+0xee/0x170 [ 3247.379415][ T3767] __sys_sendmsg+0xcd/0x170 [ 3247.379415][ T3767] do_syscall_64+0xc6/0x1e0 [ 3247.379415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3247.379415][ T3767] [ 3257.623972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3257.624448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3257.624448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3257.624448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3257.624448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3257.624448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3257.624448][ T3767] ip6_route_add+0x1c/0x140 [ 3257.624448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3257.624448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.624448][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.624448][ T3767] netlink_unicast+0x449/0x710 [ 3257.624448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.624448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.624448][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.624448][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.624448][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.624448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3257.624448][ T3767] [ 3257.626838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3257.626838][ T3767] netdev_get_by_index+0x5e/0x80 [ 3257.626838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3257.626838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3257.626838][ T3767] ip6_route_add+0x1c/0x140 [ 3257.626838][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3257.626838][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3257.626838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3257.626838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.626838][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.626838][ T3767] netlink_unicast+0x449/0x710 [ 3257.626838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.626838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.626838][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.626838][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.626838][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.626838][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3257.626838][ T3767] [ 3257.629511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3257.629511][ T3767] netdev_get_by_index+0x5e/0x80 [ 3257.629511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3257.629511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3257.629511][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3257.629511][ T3767] ipv6_add_addr+0x411/0x2000 [ 3257.629511][ T3767] inet6_addr_add+0x30e/0xa40 [ 3257.629511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3257.629511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.629511][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.629511][ T3767] netlink_unicast+0x449/0x710 [ 3257.629511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.629511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.629511][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.629511][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.629511][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.629511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3257.629511][ T3767] [ 3257.632271][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3257.632271][ T3767] netdev_get_by_index+0x5e/0x80 [ 3257.632271][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3257.632271][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3257.632271][ T3767] ip6_route_add+0x1c/0x140 [ 3257.632271][ T3767] addrconf_add_mroute+0x129/0x180 [ 3257.632271][ T3767] addrconf_add_dev+0xe2/0x170 [ 3257.632271][ T3767] inet6_addr_add+0x12f/0xa40 [ 3257.632271][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3257.632271][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.632271][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.632271][ T3767] netlink_unicast+0x449/0x710 [ 3257.632271][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.632271][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.632271][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.632271][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.632271][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.632271][ T3767] [ 3257.634865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3257.634865][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3257.634865][ T3767] ipv6_find_idev+0x102/0x170 [ 3257.634865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3257.634865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.634865][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.634865][ T3767] netlink_unicast+0x449/0x710 [ 3257.634865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.634865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.634865][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.634865][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.634865][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.634865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3257.634865][ T3767] [ 3257.636805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3257.636805][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3257.636805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3257.636805][ T3767] ipv6_find_idev+0x102/0x170 [ 3257.636805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3257.636805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3257.636805][ T3767] netlink_rcv_skb+0x130/0x360 [ 3257.636805][ T3767] netlink_unicast+0x449/0x710 [ 3257.636805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3257.636805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3257.636805][ T3767] ___sys_sendmsg+0xee/0x170 [ 3257.636805][ T3767] __sys_sendmsg+0xcd/0x170 [ 3257.636805][ T3767] do_syscall_64+0xc6/0x1e0 [ 3257.636805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3257.636805][ T3767] [ 3267.887938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3267.888426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3267.888426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3267.888426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3267.888426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3267.888426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3267.888426][ T3767] ip6_route_add+0x1c/0x140 [ 3267.888426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3267.888426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.888426][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.888426][ T3767] netlink_unicast+0x449/0x710 [ 3267.888426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.888426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.888426][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.888426][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.888426][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.888426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3267.888426][ T3767] [ 3267.890531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3267.890531][ T3767] netdev_get_by_index+0x5e/0x80 [ 3267.890531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3267.890531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3267.890531][ T3767] ip6_route_add+0x1c/0x140 [ 3267.890531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3267.890531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3267.890531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3267.890531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.890531][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.890531][ T3767] netlink_unicast+0x449/0x710 [ 3267.890531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.890531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.890531][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.890531][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.890531][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.890531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3267.890531][ T3767] [ 3267.892815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3267.892815][ T3767] netdev_get_by_index+0x5e/0x80 [ 3267.892815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3267.892815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3267.892815][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3267.892815][ T3767] ipv6_add_addr+0x411/0x2000 [ 3267.892815][ T3767] inet6_addr_add+0x30e/0xa40 [ 3267.892815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3267.892815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.892815][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.892815][ T3767] netlink_unicast+0x449/0x710 [ 3267.892815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.892815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.892815][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.892815][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.892815][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.892815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3267.892815][ T3767] [ 3267.895020][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3267.895020][ T3767] netdev_get_by_index+0x5e/0x80 [ 3267.895020][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3267.895020][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3267.895020][ T3767] ip6_route_add+0x1c/0x140 [ 3267.895020][ T3767] addrconf_add_mroute+0x129/0x180 [ 3267.895020][ T3767] addrconf_add_dev+0xe2/0x170 [ 3267.895020][ T3767] inet6_addr_add+0x12f/0xa40 [ 3267.895020][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3267.895020][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.895020][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.895020][ T3767] netlink_unicast+0x449/0x710 [ 3267.895020][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.895020][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.895020][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.895020][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.895020][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.895020][ T3767] [ 3267.897185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3267.897185][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3267.897185][ T3767] ipv6_find_idev+0x102/0x170 [ 3267.897185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3267.897185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.897185][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.897185][ T3767] netlink_unicast+0x449/0x710 [ 3267.897185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.897185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.897185][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.897185][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.897185][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.897185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3267.897185][ T3767] [ 3267.898883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3267.898883][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3267.898883][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3267.898883][ T3767] ipv6_find_idev+0x102/0x170 [ 3267.898883][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3267.898883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3267.898883][ T3767] netlink_rcv_skb+0x130/0x360 [ 3267.898883][ T3767] netlink_unicast+0x449/0x710 [ 3267.898883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3267.898883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3267.898883][ T3767] ___sys_sendmsg+0xee/0x170 [ 3267.898883][ T3767] __sys_sendmsg+0xcd/0x170 [ 3267.898883][ T3767] do_syscall_64+0xc6/0x1e0 [ 3267.898883][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3267.898883][ T3767] [ 3278.151887][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3278.152362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3278.152362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3278.152362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3278.152362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3278.152362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3278.152362][ T3767] ip6_route_add+0x1c/0x140 [ 3278.152362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3278.152362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.152362][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.152362][ T3767] netlink_unicast+0x449/0x710 [ 3278.152362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.152362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.152362][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.152362][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.152362][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.152362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.152362][ T3767] [ 3278.154459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3278.154459][ T3767] netdev_get_by_index+0x5e/0x80 [ 3278.154459][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3278.154459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3278.154459][ T3767] ip6_route_add+0x1c/0x140 [ 3278.154459][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3278.154459][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3278.154459][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.154459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.154459][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.154459][ T3767] netlink_unicast+0x449/0x710 [ 3278.154459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.154459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.154459][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.154459][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.154459][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.154459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.154459][ T3767] [ 3278.156640][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3278.156640][ T3767] netdev_get_by_index+0x5e/0x80 [ 3278.156640][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3278.156640][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3278.156640][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3278.156640][ T3767] ipv6_add_addr+0x411/0x2000 [ 3278.156640][ T3767] inet6_addr_add+0x30e/0xa40 [ 3278.156640][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.156640][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.156640][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.156640][ T3767] netlink_unicast+0x449/0x710 [ 3278.156640][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.156640][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.156640][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.156640][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.156640][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.156640][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.156640][ T3767] [ 3278.158826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3278.158826][ T3767] netdev_get_by_index+0x5e/0x80 [ 3278.158826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3278.158826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3278.158826][ T3767] ip6_route_add+0x1c/0x140 [ 3278.158826][ T3767] addrconf_add_mroute+0x129/0x180 [ 3278.158826][ T3767] addrconf_add_dev+0xe2/0x170 [ 3278.158826][ T3767] inet6_addr_add+0x12f/0xa40 [ 3278.158826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3278.158826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.158826][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.158826][ T3767] netlink_unicast+0x449/0x710 [ 3278.158826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.158826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.158826][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.158826][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.158826][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.158826][ T3767] [ 3278.160992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3278.160992][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3278.160992][ T3767] ipv6_find_idev+0x102/0x170 [ 3278.160992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3278.160992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.160992][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.160992][ T3767] netlink_unicast+0x449/0x710 [ 3278.160992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.160992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.160992][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.160992][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.160992][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.160992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.160992][ T3767] [ 3278.162681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3278.162681][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3278.162681][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3278.162681][ T3767] ipv6_find_idev+0x102/0x170 [ 3278.162681][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3278.162681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3278.162681][ T3767] netlink_rcv_skb+0x130/0x360 [ 3278.162681][ T3767] netlink_unicast+0x449/0x710 [ 3278.162681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3278.162681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3278.162681][ T3767] ___sys_sendmsg+0xee/0x170 [ 3278.162681][ T3767] __sys_sendmsg+0xcd/0x170 [ 3278.162681][ T3767] do_syscall_64+0xc6/0x1e0 [ 3278.162681][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3278.162681][ T3767] [ 3288.415863][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3288.416339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3288.416339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3288.416339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3288.416339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3288.416339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3288.416339][ T3767] ip6_route_add+0x1c/0x140 [ 3288.416339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3288.416339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.416339][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.416339][ T3767] netlink_unicast+0x449/0x710 [ 3288.416339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.416339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.416339][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.416339][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.416339][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.416339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.416339][ T3767] [ 3288.418426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3288.418426][ T3767] netdev_get_by_index+0x5e/0x80 [ 3288.418426][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3288.418426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3288.418426][ T3767] ip6_route_add+0x1c/0x140 [ 3288.418426][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3288.418426][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3288.418426][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.418426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.418426][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.418426][ T3767] netlink_unicast+0x449/0x710 [ 3288.418426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.418426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.418426][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.418426][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.418426][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.418426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.418426][ T3767] [ 3288.420644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3288.420644][ T3767] netdev_get_by_index+0x5e/0x80 [ 3288.420644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3288.420644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3288.420644][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3288.420644][ T3767] ipv6_add_addr+0x411/0x2000 [ 3288.420644][ T3767] inet6_addr_add+0x30e/0xa40 [ 3288.420644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.420644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.420644][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.420644][ T3767] netlink_unicast+0x449/0x710 [ 3288.420644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.420644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.420644][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.420644][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.420644][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.420644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.420644][ T3767] [ 3288.422845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3288.422845][ T3767] netdev_get_by_index+0x5e/0x80 [ 3288.422845][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3288.422845][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3288.422845][ T3767] ip6_route_add+0x1c/0x140 [ 3288.422845][ T3767] addrconf_add_mroute+0x129/0x180 [ 3288.422845][ T3767] addrconf_add_dev+0xe2/0x170 [ 3288.422845][ T3767] inet6_addr_add+0x12f/0xa40 [ 3288.422845][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3288.422845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.422845][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.422845][ T3767] netlink_unicast+0x449/0x710 [ 3288.422845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.422845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.422845][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.422845][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.422845][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.422845][ T3767] [ 3288.425022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3288.425022][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3288.425022][ T3767] ipv6_find_idev+0x102/0x170 [ 3288.425022][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3288.425022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.425022][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.425022][ T3767] netlink_unicast+0x449/0x710 [ 3288.425022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.425022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.425022][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.425022][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.425022][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.425022][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.425022][ T3767] [ 3288.426696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3288.426696][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3288.426696][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3288.426696][ T3767] ipv6_find_idev+0x102/0x170 [ 3288.426696][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3288.426696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3288.426696][ T3767] netlink_rcv_skb+0x130/0x360 [ 3288.426696][ T3767] netlink_unicast+0x449/0x710 [ 3288.426696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3288.426696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3288.426696][ T3767] ___sys_sendmsg+0xee/0x170 [ 3288.426696][ T3767] __sys_sendmsg+0xcd/0x170 [ 3288.426696][ T3767] do_syscall_64+0xc6/0x1e0 [ 3288.426696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3288.426696][ T3767] [ 3298.679938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3298.680408][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3298.680408][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3298.680408][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3298.680408][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3298.680408][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3298.680408][ T3767] ip6_route_add+0x1c/0x140 [ 3298.680408][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3298.680408][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.680408][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.680408][ T3767] netlink_unicast+0x449/0x710 [ 3298.680408][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.680408][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.680408][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.680408][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.680408][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.680408][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.680408][ T3767] [ 3298.682531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3298.682531][ T3767] netdev_get_by_index+0x5e/0x80 [ 3298.682531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3298.682531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3298.682531][ T3767] ip6_route_add+0x1c/0x140 [ 3298.682531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3298.682531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3298.682531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.682531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.682531][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.682531][ T3767] netlink_unicast+0x449/0x710 [ 3298.682531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.682531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.682531][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.682531][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.682531][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.682531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.682531][ T3767] [ 3298.684718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3298.684718][ T3767] netdev_get_by_index+0x5e/0x80 [ 3298.684718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3298.684718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3298.684718][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3298.684718][ T3767] ipv6_add_addr+0x411/0x2000 [ 3298.684718][ T3767] inet6_addr_add+0x30e/0xa40 [ 3298.684718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.684718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.684718][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.684718][ T3767] netlink_unicast+0x449/0x710 [ 3298.684718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.684718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.684718][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.684718][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.684718][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.684718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.684718][ T3767] [ 3298.686899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3298.686899][ T3767] netdev_get_by_index+0x5e/0x80 [ 3298.686899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3298.686899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3298.686899][ T3767] ip6_route_add+0x1c/0x140 [ 3298.686899][ T3767] addrconf_add_mroute+0x129/0x180 [ 3298.686899][ T3767] addrconf_add_dev+0xe2/0x170 [ 3298.686899][ T3767] inet6_addr_add+0x12f/0xa40 [ 3298.686899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3298.686899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.686899][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.686899][ T3767] netlink_unicast+0x449/0x710 [ 3298.686899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.686899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.686899][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.686899][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.686899][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.686899][ T3767] [ 3298.689105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3298.689105][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3298.689105][ T3767] ipv6_find_idev+0x102/0x170 [ 3298.689105][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3298.689105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.689105][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.689105][ T3767] netlink_unicast+0x449/0x710 [ 3298.689105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.689105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.689105][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.689105][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.689105][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.689105][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.689105][ T3767] [ 3298.690792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3298.690792][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3298.690792][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3298.690792][ T3767] ipv6_find_idev+0x102/0x170 [ 3298.690792][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3298.690792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3298.690792][ T3767] netlink_rcv_skb+0x130/0x360 [ 3298.690792][ T3767] netlink_unicast+0x449/0x710 [ 3298.690792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3298.690792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3298.690792][ T3767] ___sys_sendmsg+0xee/0x170 [ 3298.690792][ T3767] __sys_sendmsg+0xcd/0x170 [ 3298.690792][ T3767] do_syscall_64+0xc6/0x1e0 [ 3298.690792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3298.690792][ T3767] [ 3308.943951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3308.944365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3308.944365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3308.944365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3308.944365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3308.944365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3308.944365][ T3767] ip6_route_add+0x1c/0x140 [ 3308.944365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3308.944365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.944365][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.944365][ T3767] netlink_unicast+0x449/0x710 [ 3308.944365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.944365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.944365][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.944365][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.944365][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.944365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.944365][ T3767] [ 3308.946450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3308.946450][ T3767] netdev_get_by_index+0x5e/0x80 [ 3308.946450][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3308.946450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3308.946450][ T3767] ip6_route_add+0x1c/0x140 [ 3308.946450][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3308.946450][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3308.946450][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.946450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.946450][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.946450][ T3767] netlink_unicast+0x449/0x710 [ 3308.946450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.946450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.946450][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.946450][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.946450][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.946450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.946450][ T3767] [ 3308.948655][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3308.948655][ T3767] netdev_get_by_index+0x5e/0x80 [ 3308.948655][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3308.948655][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3308.948655][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3308.948655][ T3767] ipv6_add_addr+0x411/0x2000 [ 3308.948655][ T3767] inet6_addr_add+0x30e/0xa40 [ 3308.948655][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.948655][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.948655][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.948655][ T3767] netlink_unicast+0x449/0x710 [ 3308.948655][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.948655][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.948655][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.948655][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.948655][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.948655][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.948655][ T3767] [ 3308.950832][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3308.950832][ T3767] netdev_get_by_index+0x5e/0x80 [ 3308.950832][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3308.950832][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3308.950832][ T3767] ip6_route_add+0x1c/0x140 [ 3308.950832][ T3767] addrconf_add_mroute+0x129/0x180 [ 3308.950832][ T3767] addrconf_add_dev+0xe2/0x170 [ 3308.950832][ T3767] inet6_addr_add+0x12f/0xa40 [ 3308.950832][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3308.950832][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.950832][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.950832][ T3767] netlink_unicast+0x449/0x710 [ 3308.950832][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.950832][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.950832][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.950832][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.950832][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.950832][ T3767] [ 3308.953005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3308.953005][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3308.953005][ T3767] ipv6_find_idev+0x102/0x170 [ 3308.953005][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3308.953005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.953005][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.953005][ T3767] netlink_unicast+0x449/0x710 [ 3308.953005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.953005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.953005][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.953005][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.953005][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.953005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.953005][ T3767] [ 3308.954702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3308.954702][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3308.954702][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3308.954702][ T3767] ipv6_find_idev+0x102/0x170 [ 3308.954702][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3308.954702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3308.954702][ T3767] netlink_rcv_skb+0x130/0x360 [ 3308.954702][ T3767] netlink_unicast+0x449/0x710 [ 3308.954702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3308.954702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3308.954702][ T3767] ___sys_sendmsg+0xee/0x170 [ 3308.954702][ T3767] __sys_sendmsg+0xcd/0x170 [ 3308.954702][ T3767] do_syscall_64+0xc6/0x1e0 [ 3308.954702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3308.954702][ T3767] [ 3319.103968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3319.104435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3319.104435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3319.104435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3319.104435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3319.104435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3319.104435][ T3767] ip6_route_add+0x1c/0x140 [ 3319.104435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3319.104435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.104435][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.104435][ T3767] netlink_unicast+0x449/0x710 [ 3319.104435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.104435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.104435][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.104435][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.104435][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.104435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.104435][ T3767] [ 3319.106530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3319.106530][ T3767] netdev_get_by_index+0x5e/0x80 [ 3319.106530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3319.106530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3319.106530][ T3767] ip6_route_add+0x1c/0x140 [ 3319.106530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3319.106530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3319.106530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.106530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.106530][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.106530][ T3767] netlink_unicast+0x449/0x710 [ 3319.106530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.106530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.106530][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.106530][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.106530][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.106530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.106530][ T3767] [ 3319.108717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3319.108717][ T3767] netdev_get_by_index+0x5e/0x80 [ 3319.108717][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3319.108717][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3319.108717][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3319.108717][ T3767] ipv6_add_addr+0x411/0x2000 [ 3319.108717][ T3767] inet6_addr_add+0x30e/0xa40 [ 3319.108717][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.108717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.108717][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.108717][ T3767] netlink_unicast+0x449/0x710 [ 3319.108717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.108717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.108717][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.108717][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.108717][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.108717][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.108717][ T3767] [ 3319.110914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3319.110914][ T3767] netdev_get_by_index+0x5e/0x80 [ 3319.110914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3319.110914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3319.110914][ T3767] ip6_route_add+0x1c/0x140 [ 3319.110914][ T3767] addrconf_add_mroute+0x129/0x180 [ 3319.110914][ T3767] addrconf_add_dev+0xe2/0x170 [ 3319.110914][ T3767] inet6_addr_add+0x12f/0xa40 [ 3319.110914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3319.110914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.110914][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.110914][ T3767] netlink_unicast+0x449/0x710 [ 3319.110914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.110914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.110914][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.110914][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.110914][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.110914][ T3767] [ 3319.113061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3319.113061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3319.113061][ T3767] ipv6_find_idev+0x102/0x170 [ 3319.113061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3319.113061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.113061][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.113061][ T3767] netlink_unicast+0x449/0x710 [ 3319.113061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.113061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.113061][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.113061][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.113061][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.113061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.113061][ T3767] [ 3319.114739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3319.114739][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3319.114739][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3319.114739][ T3767] ipv6_find_idev+0x102/0x170 [ 3319.114739][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3319.114739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3319.114739][ T3767] netlink_rcv_skb+0x130/0x360 [ 3319.114739][ T3767] netlink_unicast+0x449/0x710 [ 3319.114739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3319.114739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3319.114739][ T3767] ___sys_sendmsg+0xee/0x170 [ 3319.114739][ T3767] __sys_sendmsg+0xcd/0x170 [ 3319.114739][ T3767] do_syscall_64+0xc6/0x1e0 [ 3319.114739][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.114739][ T3767] [ 3329.351870][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3329.352362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3329.352362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3329.352362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3329.352362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3329.352362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3329.352362][ T3767] ip6_route_add+0x1c/0x140 [ 3329.352362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3329.352362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.352362][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.352362][ T3767] netlink_unicast+0x449/0x710 [ 3329.352362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.352362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.352362][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.352362][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.352362][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.352362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.352362][ T3767] [ 3329.354446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3329.354446][ T3767] netdev_get_by_index+0x5e/0x80 [ 3329.354446][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3329.354446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3329.354446][ T3767] ip6_route_add+0x1c/0x140 [ 3329.354446][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3329.354446][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3329.354446][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.354446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.354446][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.354446][ T3767] netlink_unicast+0x449/0x710 [ 3329.354446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.354446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.354446][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.354446][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.354446][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.354446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.354446][ T3767] [ 3329.356644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3329.356644][ T3767] netdev_get_by_index+0x5e/0x80 [ 3329.356644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3329.356644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3329.356644][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3329.356644][ T3767] ipv6_add_addr+0x411/0x2000 [ 3329.356644][ T3767] inet6_addr_add+0x30e/0xa40 [ 3329.356644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.356644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.356644][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.356644][ T3767] netlink_unicast+0x449/0x710 [ 3329.356644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.356644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.356644][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.356644][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.356644][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.356644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.356644][ T3767] [ 3329.358845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3329.358845][ T3767] netdev_get_by_index+0x5e/0x80 [ 3329.358845][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3329.358845][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3329.358845][ T3767] ip6_route_add+0x1c/0x140 [ 3329.358845][ T3767] addrconf_add_mroute+0x129/0x180 [ 3329.358845][ T3767] addrconf_add_dev+0xe2/0x170 [ 3329.358845][ T3767] inet6_addr_add+0x12f/0xa40 [ 3329.358845][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3329.358845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.358845][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.358845][ T3767] netlink_unicast+0x449/0x710 [ 3329.358845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.358845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.358845][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.358845][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.358845][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.358845][ T3767] [ 3329.361012][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3329.361012][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3329.361012][ T3767] ipv6_find_idev+0x102/0x170 [ 3329.361012][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3329.361012][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.361012][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.361012][ T3767] netlink_unicast+0x449/0x710 [ 3329.361012][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.361012][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.361012][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.361012][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.361012][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.361012][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.361012][ T3767] [ 3329.362714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3329.362714][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3329.362714][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3329.362714][ T3767] ipv6_find_idev+0x102/0x170 [ 3329.362714][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3329.362714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3329.362714][ T3767] netlink_rcv_skb+0x130/0x360 [ 3329.362714][ T3767] netlink_unicast+0x449/0x710 [ 3329.362714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3329.362714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3329.362714][ T3767] ___sys_sendmsg+0xee/0x170 [ 3329.362714][ T3767] __sys_sendmsg+0xcd/0x170 [ 3329.362714][ T3767] do_syscall_64+0xc6/0x1e0 [ 3329.362714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3329.362714][ T3767] [ 3339.383959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3339.384373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3339.384373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3339.384373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3339.384373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3339.384373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3339.384373][ T3767] ip6_route_add+0x1c/0x140 [ 3339.384373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3339.384373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.384373][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.384373][ T3767] netlink_unicast+0x449/0x710 [ 3339.384373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.384373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.384373][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.384373][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.384373][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.384373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.384373][ T3767] [ 3339.386458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3339.386458][ T3767] netdev_get_by_index+0x5e/0x80 [ 3339.386458][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3339.386458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3339.386458][ T3767] ip6_route_add+0x1c/0x140 [ 3339.386458][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3339.386458][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3339.386458][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.386458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.386458][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.386458][ T3767] netlink_unicast+0x449/0x710 [ 3339.386458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.386458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.386458][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.386458][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.386458][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.386458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.386458][ T3767] [ 3339.388667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3339.388667][ T3767] netdev_get_by_index+0x5e/0x80 [ 3339.388667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3339.388667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3339.388667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3339.388667][ T3767] ipv6_add_addr+0x411/0x2000 [ 3339.388667][ T3767] inet6_addr_add+0x30e/0xa40 [ 3339.388667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.388667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.388667][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.388667][ T3767] netlink_unicast+0x449/0x710 [ 3339.388667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.388667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.388667][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.388667][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.388667][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.388667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.388667][ T3767] [ 3339.390875][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3339.390875][ T3767] netdev_get_by_index+0x5e/0x80 [ 3339.390875][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3339.390875][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3339.390875][ T3767] ip6_route_add+0x1c/0x140 [ 3339.390875][ T3767] addrconf_add_mroute+0x129/0x180 [ 3339.390875][ T3767] addrconf_add_dev+0xe2/0x170 [ 3339.390875][ T3767] inet6_addr_add+0x12f/0xa40 [ 3339.390875][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3339.390875][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.390875][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.390875][ T3767] netlink_unicast+0x449/0x710 [ 3339.390875][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.390875][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.390875][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.390875][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.390875][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.390875][ T3767] [ 3339.393052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3339.393052][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3339.393052][ T3767] ipv6_find_idev+0x102/0x170 [ 3339.393052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3339.393052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.393052][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.393052][ T3767] netlink_unicast+0x449/0x710 [ 3339.393052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.393052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.393052][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.393052][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.393052][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.393052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.393052][ T3767] [ 3339.394742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3339.394742][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3339.394742][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3339.394742][ T3767] ipv6_find_idev+0x102/0x170 [ 3339.394742][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3339.394742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3339.394742][ T3767] netlink_rcv_skb+0x130/0x360 [ 3339.394742][ T3767] netlink_unicast+0x449/0x710 [ 3339.394742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3339.394742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3339.394742][ T3767] ___sys_sendmsg+0xee/0x170 [ 3339.394742][ T3767] __sys_sendmsg+0xcd/0x170 [ 3339.394742][ T3767] do_syscall_64+0xc6/0x1e0 [ 3339.394742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3339.394742][ T3767] [ 3349.592000][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3349.592480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3349.592480][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3349.592480][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3349.592480][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3349.592480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3349.592480][ T3767] ip6_route_add+0x1c/0x140 [ 3349.592480][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3349.592480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.592480][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.592480][ T3767] netlink_unicast+0x449/0x710 [ 3349.592480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.592480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.592480][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.592480][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.592480][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.592480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.592480][ T3767] [ 3349.594568][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3349.594568][ T3767] netdev_get_by_index+0x5e/0x80 [ 3349.594568][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3349.594568][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3349.594568][ T3767] ip6_route_add+0x1c/0x140 [ 3349.594568][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3349.594568][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3349.594568][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.594568][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.594568][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.594568][ T3767] netlink_unicast+0x449/0x710 [ 3349.594568][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.594568][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.594568][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.594568][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.594568][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.594568][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.594568][ T3767] [ 3349.596749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3349.596749][ T3767] netdev_get_by_index+0x5e/0x80 [ 3349.596749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3349.596749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3349.596749][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3349.596749][ T3767] ipv6_add_addr+0x411/0x2000 [ 3349.596749][ T3767] inet6_addr_add+0x30e/0xa40 [ 3349.596749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.596749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.596749][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.596749][ T3767] netlink_unicast+0x449/0x710 [ 3349.596749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.596749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.596749][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.596749][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.596749][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.596749][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.596749][ T3767] [ 3349.598938][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3349.598938][ T3767] netdev_get_by_index+0x5e/0x80 [ 3349.598938][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3349.598938][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3349.598938][ T3767] ip6_route_add+0x1c/0x140 [ 3349.598938][ T3767] addrconf_add_mroute+0x129/0x180 [ 3349.598938][ T3767] addrconf_add_dev+0xe2/0x170 [ 3349.598938][ T3767] inet6_addr_add+0x12f/0xa40 [ 3349.598938][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3349.598938][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.598938][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.598938][ T3767] netlink_unicast+0x449/0x710 [ 3349.598938][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.598938][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.598938][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.598938][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.598938][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.598938][ T3767] [ 3349.601118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3349.601118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3349.601118][ T3767] ipv6_find_idev+0x102/0x170 [ 3349.601118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3349.601118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.601118][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.601118][ T3767] netlink_unicast+0x449/0x710 [ 3349.601118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.601118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.601118][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.601118][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.601118][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.601118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.601118][ T3767] [ 3349.602811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3349.602811][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3349.602811][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3349.602811][ T3767] ipv6_find_idev+0x102/0x170 [ 3349.602811][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3349.602811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3349.602811][ T3767] netlink_rcv_skb+0x130/0x360 [ 3349.602811][ T3767] netlink_unicast+0x449/0x710 [ 3349.602811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3349.602811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3349.602811][ T3767] ___sys_sendmsg+0xee/0x170 [ 3349.602811][ T3767] __sys_sendmsg+0xcd/0x170 [ 3349.602811][ T3767] do_syscall_64+0xc6/0x1e0 [ 3349.602811][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3349.602811][ T3767] [ 3359.639884][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3359.640426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3359.640426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3359.640426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3359.640426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3359.640426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3359.640426][ T3767] ip6_route_add+0x1c/0x140 [ 3359.640426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3359.640426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.640426][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.640426][ T3767] netlink_unicast+0x449/0x710 [ 3359.640426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.640426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.640426][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.640426][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.640426][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.640426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.640426][ T3767] [ 3359.642520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3359.642520][ T3767] netdev_get_by_index+0x5e/0x80 [ 3359.642520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3359.642520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3359.642520][ T3767] ip6_route_add+0x1c/0x140 [ 3359.642520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3359.642520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3359.642520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.642520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.642520][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.642520][ T3767] netlink_unicast+0x449/0x710 [ 3359.642520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.642520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.642520][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.642520][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.642520][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.642520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.642520][ T3767] [ 3359.644708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3359.644708][ T3767] netdev_get_by_index+0x5e/0x80 [ 3359.644708][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3359.644708][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3359.644708][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3359.644708][ T3767] ipv6_add_addr+0x411/0x2000 [ 3359.644708][ T3767] inet6_addr_add+0x30e/0xa40 [ 3359.644708][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.644708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.644708][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.644708][ T3767] netlink_unicast+0x449/0x710 [ 3359.644708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.644708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.644708][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.644708][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.644708][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.644708][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.644708][ T3767] [ 3359.646943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3359.646943][ T3767] netdev_get_by_index+0x5e/0x80 [ 3359.646943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3359.646943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3359.646943][ T3767] ip6_route_add+0x1c/0x140 [ 3359.646943][ T3767] addrconf_add_mroute+0x129/0x180 [ 3359.646943][ T3767] addrconf_add_dev+0xe2/0x170 [ 3359.646943][ T3767] inet6_addr_add+0x12f/0xa40 [ 3359.646943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3359.646943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.646943][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.646943][ T3767] netlink_unicast+0x449/0x710 [ 3359.646943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.646943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.646943][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.646943][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.646943][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.646943][ T3767] [ 3359.649090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3359.649090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3359.649090][ T3767] ipv6_find_idev+0x102/0x170 [ 3359.649090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3359.649090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.649090][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.649090][ T3767] netlink_unicast+0x449/0x710 [ 3359.649090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.649090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.649090][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.649090][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.649090][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.649090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.649090][ T3767] [ 3359.650783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3359.650783][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3359.650783][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3359.650783][ T3767] ipv6_find_idev+0x102/0x170 [ 3359.650783][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3359.650783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3359.650783][ T3767] netlink_rcv_skb+0x130/0x360 [ 3359.650783][ T3767] netlink_unicast+0x449/0x710 [ 3359.650783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3359.650783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3359.650783][ T3767] ___sys_sendmsg+0xee/0x170 [ 3359.650783][ T3767] __sys_sendmsg+0xcd/0x170 [ 3359.650783][ T3767] do_syscall_64+0xc6/0x1e0 [ 3359.650783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3359.650783][ T3767] [ 3369.887953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3369.888420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3369.888420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3369.888420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3369.888420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3369.888420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3369.888420][ T3767] ip6_route_add+0x1c/0x140 [ 3369.888420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3369.888420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.888420][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.888420][ T3767] netlink_unicast+0x449/0x710 [ 3369.888420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.888420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.888420][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.888420][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.888420][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.888420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3369.888420][ T3767] [ 3369.890506][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3369.890506][ T3767] netdev_get_by_index+0x5e/0x80 [ 3369.890506][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3369.890506][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3369.890506][ T3767] ip6_route_add+0x1c/0x140 [ 3369.890506][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3369.890506][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3369.890506][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3369.890506][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.890506][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.890506][ T3767] netlink_unicast+0x449/0x710 [ 3369.890506][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.890506][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.890506][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.890506][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.890506][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.890506][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3369.890506][ T3767] [ 3369.892709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3369.892709][ T3767] netdev_get_by_index+0x5e/0x80 [ 3369.892709][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3369.892709][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3369.892709][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3369.892709][ T3767] ipv6_add_addr+0x411/0x2000 [ 3369.892709][ T3767] inet6_addr_add+0x30e/0xa40 [ 3369.892709][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3369.892709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.892709][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.892709][ T3767] netlink_unicast+0x449/0x710 [ 3369.892709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.892709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.892709][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.892709][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.892709][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.892709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3369.892709][ T3767] [ 3369.894899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3369.894899][ T3767] netdev_get_by_index+0x5e/0x80 [ 3369.894899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3369.894899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3369.894899][ T3767] ip6_route_add+0x1c/0x140 [ 3369.894899][ T3767] addrconf_add_mroute+0x129/0x180 [ 3369.894899][ T3767] addrconf_add_dev+0xe2/0x170 [ 3369.894899][ T3767] inet6_addr_add+0x12f/0xa40 [ 3369.894899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3369.894899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.894899][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.894899][ T3767] netlink_unicast+0x449/0x710 [ 3369.894899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.894899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.894899][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.894899][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.894899][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.894899][ T3767] [ 3369.897045][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3369.897045][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3369.897045][ T3767] ipv6_find_idev+0x102/0x170 [ 3369.897045][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3369.897045][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.897045][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.897045][ T3767] netlink_unicast+0x449/0x710 [ 3369.897045][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.897045][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.897045][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.897045][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.897045][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.897045][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3369.897045][ T3767] [ 3369.898722][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3369.898722][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3369.898722][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3369.898722][ T3767] ipv6_find_idev+0x102/0x170 [ 3369.898722][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3369.898722][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3369.898722][ T3767] netlink_rcv_skb+0x130/0x360 [ 3369.898722][ T3767] netlink_unicast+0x449/0x710 [ 3369.898722][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3369.898722][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3369.898722][ T3767] ___sys_sendmsg+0xee/0x170 [ 3369.898722][ T3767] __sys_sendmsg+0xcd/0x170 [ 3369.898722][ T3767] do_syscall_64+0xc6/0x1e0 [ 3369.898722][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3369.898722][ T3767] [ 3380.135980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3380.136482][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3380.136482][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3380.136482][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3380.136482][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3380.136482][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3380.136482][ T3767] ip6_route_add+0x1c/0x140 [ 3380.136482][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3380.136482][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.136482][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.136482][ T3767] netlink_unicast+0x449/0x710 [ 3380.136482][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.136482][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.136482][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.136482][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.136482][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.136482][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.136482][ T3767] [ 3380.138567][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3380.138567][ T3767] netdev_get_by_index+0x5e/0x80 [ 3380.138567][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3380.138567][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3380.138567][ T3767] ip6_route_add+0x1c/0x140 [ 3380.138567][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3380.138567][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3380.138567][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.138567][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.138567][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.138567][ T3767] netlink_unicast+0x449/0x710 [ 3380.138567][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.138567][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.138567][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.138567][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.138567][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.138567][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.138567][ T3767] [ 3380.140782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3380.140782][ T3767] netdev_get_by_index+0x5e/0x80 [ 3380.140782][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3380.140782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3380.140782][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3380.140782][ T3767] ipv6_add_addr+0x411/0x2000 [ 3380.140782][ T3767] inet6_addr_add+0x30e/0xa40 [ 3380.140782][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.140782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.140782][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.140782][ T3767] netlink_unicast+0x449/0x710 [ 3380.140782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.140782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.140782][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.140782][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.140782][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.140782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.140782][ T3767] [ 3380.142973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3380.142973][ T3767] netdev_get_by_index+0x5e/0x80 [ 3380.142973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3380.142973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3380.142973][ T3767] ip6_route_add+0x1c/0x140 [ 3380.142973][ T3767] addrconf_add_mroute+0x129/0x180 [ 3380.142973][ T3767] addrconf_add_dev+0xe2/0x170 [ 3380.142973][ T3767] inet6_addr_add+0x12f/0xa40 [ 3380.142973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3380.142973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.142973][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.142973][ T3767] netlink_unicast+0x449/0x710 [ 3380.142973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.142973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.142973][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.142973][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.142973][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.142973][ T3767] [ 3380.145126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3380.145126][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3380.145126][ T3767] ipv6_find_idev+0x102/0x170 [ 3380.145126][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3380.145126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.145126][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.145126][ T3767] netlink_unicast+0x449/0x710 [ 3380.145126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.145126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.145126][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.145126][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.145126][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.145126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.145126][ T3767] [ 3380.146819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3380.146819][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3380.146819][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3380.146819][ T3767] ipv6_find_idev+0x102/0x170 [ 3380.146819][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3380.146819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3380.146819][ T3767] netlink_rcv_skb+0x130/0x360 [ 3380.146819][ T3767] netlink_unicast+0x449/0x710 [ 3380.146819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3380.146819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3380.146819][ T3767] ___sys_sendmsg+0xee/0x170 [ 3380.146819][ T3767] __sys_sendmsg+0xcd/0x170 [ 3380.146819][ T3767] do_syscall_64+0xc6/0x1e0 [ 3380.146819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3380.146819][ T3767] [ 3390.383879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3390.384358][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3390.384358][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3390.384358][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3390.384358][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3390.384358][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3390.384358][ T3767] ip6_route_add+0x1c/0x140 [ 3390.384358][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3390.384358][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.384358][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.384358][ T3767] netlink_unicast+0x449/0x710 [ 3390.384358][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.384358][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.384358][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.384358][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.384358][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.384358][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.384358][ T3767] [ 3390.386437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3390.386437][ T3767] netdev_get_by_index+0x5e/0x80 [ 3390.386437][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3390.386437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3390.386437][ T3767] ip6_route_add+0x1c/0x140 [ 3390.386437][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3390.386437][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3390.386437][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.386437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.386437][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.386437][ T3767] netlink_unicast+0x449/0x710 [ 3390.386437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.386437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.386437][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.386437][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.386437][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.386437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.386437][ T3767] [ 3390.388621][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3390.388621][ T3767] netdev_get_by_index+0x5e/0x80 [ 3390.388621][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3390.388621][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3390.388621][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3390.388621][ T3767] ipv6_add_addr+0x411/0x2000 [ 3390.388621][ T3767] inet6_addr_add+0x30e/0xa40 [ 3390.388621][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.388621][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.388621][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.388621][ T3767] netlink_unicast+0x449/0x710 [ 3390.388621][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.388621][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.388621][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.388621][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.388621][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.388621][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.388621][ T3767] [ 3390.390828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3390.390828][ T3767] netdev_get_by_index+0x5e/0x80 [ 3390.390828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3390.390828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3390.390828][ T3767] ip6_route_add+0x1c/0x140 [ 3390.390828][ T3767] addrconf_add_mroute+0x129/0x180 [ 3390.390828][ T3767] addrconf_add_dev+0xe2/0x170 [ 3390.390828][ T3767] inet6_addr_add+0x12f/0xa40 [ 3390.390828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3390.390828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.390828][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.390828][ T3767] netlink_unicast+0x449/0x710 [ 3390.390828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.390828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.390828][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.390828][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.390828][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.390828][ T3767] [ 3390.392986][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3390.392986][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3390.392986][ T3767] ipv6_find_idev+0x102/0x170 [ 3390.392986][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3390.392986][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.392986][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.392986][ T3767] netlink_unicast+0x449/0x710 [ 3390.392986][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.392986][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.392986][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.392986][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.392986][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.392986][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.392986][ T3767] [ 3390.394683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3390.394683][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3390.394683][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3390.394683][ T3767] ipv6_find_idev+0x102/0x170 [ 3390.394683][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3390.394683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3390.394683][ T3767] netlink_rcv_skb+0x130/0x360 [ 3390.394683][ T3767] netlink_unicast+0x449/0x710 [ 3390.394683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3390.394683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3390.394683][ T3767] ___sys_sendmsg+0xee/0x170 [ 3390.394683][ T3767] __sys_sendmsg+0xcd/0x170 [ 3390.394683][ T3767] do_syscall_64+0xc6/0x1e0 [ 3390.394683][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3390.394683][ T3767] [ 3400.631929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3400.632341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3400.632341][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3400.632341][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3400.632341][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3400.632341][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3400.632341][ T3767] ip6_route_add+0x1c/0x140 [ 3400.632341][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3400.632341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.632341][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.632341][ T3767] netlink_unicast+0x449/0x710 [ 3400.632341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.632341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.632341][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.632341][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.632341][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.632341][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.632341][ T3767] [ 3400.634417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3400.634417][ T3767] netdev_get_by_index+0x5e/0x80 [ 3400.634417][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3400.634417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3400.634417][ T3767] ip6_route_add+0x1c/0x140 [ 3400.634417][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3400.634417][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3400.634417][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.634417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.634417][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.634417][ T3767] netlink_unicast+0x449/0x710 [ 3400.634417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.634417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.634417][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.634417][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.634417][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.634417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.634417][ T3767] [ 3400.636608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3400.636608][ T3767] netdev_get_by_index+0x5e/0x80 [ 3400.636608][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3400.636608][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3400.636608][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3400.636608][ T3767] ipv6_add_addr+0x411/0x2000 [ 3400.636608][ T3767] inet6_addr_add+0x30e/0xa40 [ 3400.636608][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.636608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.636608][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.636608][ T3767] netlink_unicast+0x449/0x710 [ 3400.636608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.636608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.636608][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.636608][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.636608][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.636608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.636608][ T3767] [ 3400.638791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3400.638791][ T3767] netdev_get_by_index+0x5e/0x80 [ 3400.638791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3400.638791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3400.638791][ T3767] ip6_route_add+0x1c/0x140 [ 3400.638791][ T3767] addrconf_add_mroute+0x129/0x180 [ 3400.638791][ T3767] addrconf_add_dev+0xe2/0x170 [ 3400.638791][ T3767] inet6_addr_add+0x12f/0xa40 [ 3400.638791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3400.638791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.638791][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.638791][ T3767] netlink_unicast+0x449/0x710 [ 3400.638791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.638791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.638791][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.638791][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.638791][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.638791][ T3767] [ 3400.640946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3400.640946][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3400.640946][ T3767] ipv6_find_idev+0x102/0x170 [ 3400.640946][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3400.640946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.640946][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.640946][ T3767] netlink_unicast+0x449/0x710 [ 3400.640946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.640946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.640946][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.640946][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.640946][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.640946][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.640946][ T3767] [ 3400.642625][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3400.642625][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3400.642625][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3400.642625][ T3767] ipv6_find_idev+0x102/0x170 [ 3400.642625][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3400.642625][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3400.642625][ T3767] netlink_rcv_skb+0x130/0x360 [ 3400.642625][ T3767] netlink_unicast+0x449/0x710 [ 3400.642625][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3400.642625][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3400.642625][ T3767] ___sys_sendmsg+0xee/0x170 [ 3400.642625][ T3767] __sys_sendmsg+0xcd/0x170 [ 3400.642625][ T3767] do_syscall_64+0xc6/0x1e0 [ 3400.642625][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3400.642625][ T3767] [ 3410.879940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3410.880419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3410.880419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3410.880419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3410.880419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3410.880419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3410.880419][ T3767] ip6_route_add+0x1c/0x140 [ 3410.880419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3410.880419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.880419][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.880419][ T3767] netlink_unicast+0x449/0x710 [ 3410.880419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.880419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.880419][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.880419][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.880419][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.880419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3410.880419][ T3767] [ 3410.882514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3410.882514][ T3767] netdev_get_by_index+0x5e/0x80 [ 3410.882514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3410.882514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3410.882514][ T3767] ip6_route_add+0x1c/0x140 [ 3410.882514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3410.882514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3410.882514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3410.882514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.882514][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.882514][ T3767] netlink_unicast+0x449/0x710 [ 3410.882514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.882514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.882514][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.882514][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.882514][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.882514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3410.882514][ T3767] [ 3410.884694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3410.884694][ T3767] netdev_get_by_index+0x5e/0x80 [ 3410.884694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3410.884694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3410.884694][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3410.884694][ T3767] ipv6_add_addr+0x411/0x2000 [ 3410.884694][ T3767] inet6_addr_add+0x30e/0xa40 [ 3410.884694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3410.884694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.884694][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.884694][ T3767] netlink_unicast+0x449/0x710 [ 3410.884694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.884694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.884694][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.884694][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.884694][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.884694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3410.884694][ T3767] [ 3410.886869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3410.886869][ T3767] netdev_get_by_index+0x5e/0x80 [ 3410.886869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3410.886869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3410.886869][ T3767] ip6_route_add+0x1c/0x140 [ 3410.886869][ T3767] addrconf_add_mroute+0x129/0x180 [ 3410.886869][ T3767] addrconf_add_dev+0xe2/0x170 [ 3410.886869][ T3767] inet6_addr_add+0x12f/0xa40 [ 3410.886869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3410.886869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.886869][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.886869][ T3767] netlink_unicast+0x449/0x710 [ 3410.886869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.886869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.886869][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.886869][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.886869][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.886869][ T3767] [ 3410.889023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3410.889023][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3410.889023][ T3767] ipv6_find_idev+0x102/0x170 [ 3410.889023][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3410.889023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.889023][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.889023][ T3767] netlink_unicast+0x449/0x710 [ 3410.889023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.889023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.889023][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.889023][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.889023][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.889023][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3410.889023][ T3767] [ 3410.890718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3410.890718][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3410.890718][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3410.890718][ T3767] ipv6_find_idev+0x102/0x170 [ 3410.890718][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3410.890718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3410.890718][ T3767] netlink_rcv_skb+0x130/0x360 [ 3410.890718][ T3767] netlink_unicast+0x449/0x710 [ 3410.890718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3410.890718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3410.890718][ T3767] ___sys_sendmsg+0xee/0x170 [ 3410.890718][ T3767] __sys_sendmsg+0xcd/0x170 [ 3410.890718][ T3767] do_syscall_64+0xc6/0x1e0 [ 3410.890718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3410.890718][ T3767] [ 3421.127871][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3421.128417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3421.128417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3421.128417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3421.128417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3421.128417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3421.128417][ T3767] ip6_route_add+0x1c/0x140 [ 3421.128417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3421.128417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.128417][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.128417][ T3767] netlink_unicast+0x449/0x710 [ 3421.128417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.128417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.128417][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.128417][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.128417][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.128417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.128417][ T3767] [ 3421.130507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3421.130507][ T3767] netdev_get_by_index+0x5e/0x80 [ 3421.130507][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3421.130507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3421.130507][ T3767] ip6_route_add+0x1c/0x140 [ 3421.130507][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3421.130507][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3421.130507][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.130507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.130507][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.130507][ T3767] netlink_unicast+0x449/0x710 [ 3421.130507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.130507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.130507][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.130507][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.130507][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.130507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.130507][ T3767] [ 3421.132707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3421.132707][ T3767] netdev_get_by_index+0x5e/0x80 [ 3421.132707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3421.132707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3421.132707][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3421.132707][ T3767] ipv6_add_addr+0x411/0x2000 [ 3421.132707][ T3767] inet6_addr_add+0x30e/0xa40 [ 3421.132707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.132707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.132707][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.132707][ T3767] netlink_unicast+0x449/0x710 [ 3421.132707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.132707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.132707][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.132707][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.132707][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.132707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.132707][ T3767] [ 3421.134893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3421.134893][ T3767] netdev_get_by_index+0x5e/0x80 [ 3421.134893][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3421.134893][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3421.134893][ T3767] ip6_route_add+0x1c/0x140 [ 3421.134893][ T3767] addrconf_add_mroute+0x129/0x180 [ 3421.134893][ T3767] addrconf_add_dev+0xe2/0x170 [ 3421.134893][ T3767] inet6_addr_add+0x12f/0xa40 [ 3421.134893][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3421.134893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.134893][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.134893][ T3767] netlink_unicast+0x449/0x710 [ 3421.134893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.134893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.134893][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.134893][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.134893][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.134893][ T3767] [ 3421.137042][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3421.137042][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3421.137042][ T3767] ipv6_find_idev+0x102/0x170 [ 3421.137042][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3421.137042][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.137042][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.137042][ T3767] netlink_unicast+0x449/0x710 [ 3421.137042][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.137042][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.137042][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.137042][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.137042][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.137042][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.137042][ T3767] [ 3421.138814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3421.138814][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3421.138814][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3421.138814][ T3767] ipv6_find_idev+0x102/0x170 [ 3421.138814][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3421.138814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3421.138814][ T3767] netlink_rcv_skb+0x130/0x360 [ 3421.138814][ T3767] netlink_unicast+0x449/0x710 [ 3421.138814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3421.138814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3421.138814][ T3767] ___sys_sendmsg+0xee/0x170 [ 3421.138814][ T3767] __sys_sendmsg+0xcd/0x170 [ 3421.138814][ T3767] do_syscall_64+0xc6/0x1e0 [ 3421.138814][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3421.138814][ T3767] [ 3431.375943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3431.376414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3431.376414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3431.376414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3431.376414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3431.376414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3431.376414][ T3767] ip6_route_add+0x1c/0x140 [ 3431.376414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3431.376414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.376414][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.376414][ T3767] netlink_unicast+0x449/0x710 [ 3431.376414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.376414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.376414][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.376414][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.376414][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.376414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.376414][ T3767] [ 3431.378478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3431.378478][ T3767] netdev_get_by_index+0x5e/0x80 [ 3431.378478][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3431.378478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3431.378478][ T3767] ip6_route_add+0x1c/0x140 [ 3431.378478][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3431.378478][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3431.378478][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.378478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.378478][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.378478][ T3767] netlink_unicast+0x449/0x710 [ 3431.378478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.378478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.378478][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.378478][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.378478][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.378478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.378478][ T3767] [ 3431.380660][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3431.380660][ T3767] netdev_get_by_index+0x5e/0x80 [ 3431.380660][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3431.380660][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3431.380660][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3431.380660][ T3767] ipv6_add_addr+0x411/0x2000 [ 3431.380660][ T3767] inet6_addr_add+0x30e/0xa40 [ 3431.380660][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.380660][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.380660][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.380660][ T3767] netlink_unicast+0x449/0x710 [ 3431.380660][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.380660][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.380660][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.380660][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.380660][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.380660][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.380660][ T3767] [ 3431.382849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3431.382849][ T3767] netdev_get_by_index+0x5e/0x80 [ 3431.382849][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3431.382849][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3431.382849][ T3767] ip6_route_add+0x1c/0x140 [ 3431.382849][ T3767] addrconf_add_mroute+0x129/0x180 [ 3431.382849][ T3767] addrconf_add_dev+0xe2/0x170 [ 3431.382849][ T3767] inet6_addr_add+0x12f/0xa40 [ 3431.382849][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3431.382849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.382849][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.382849][ T3767] netlink_unicast+0x449/0x710 [ 3431.382849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.382849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.382849][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.382849][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.382849][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.382849][ T3767] [ 3431.385137][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3431.385137][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3431.385137][ T3767] ipv6_find_idev+0x102/0x170 [ 3431.385137][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3431.385137][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.385137][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.385137][ T3767] netlink_unicast+0x449/0x710 [ 3431.385137][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.385137][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.385137][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.385137][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.385137][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.385137][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.385137][ T3767] [ 3431.386816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3431.386816][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3431.386816][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3431.386816][ T3767] ipv6_find_idev+0x102/0x170 [ 3431.386816][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3431.386816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3431.386816][ T3767] netlink_rcv_skb+0x130/0x360 [ 3431.386816][ T3767] netlink_unicast+0x449/0x710 [ 3431.386816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3431.386816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3431.386816][ T3767] ___sys_sendmsg+0xee/0x170 [ 3431.386816][ T3767] __sys_sendmsg+0xcd/0x170 [ 3431.386816][ T3767] do_syscall_64+0xc6/0x1e0 [ 3431.386816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3431.386816][ T3767] [ 3441.623946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3441.624428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3441.624428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3441.624428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3441.624428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3441.624428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3441.624428][ T3767] ip6_route_add+0x1c/0x140 [ 3441.624428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3441.624428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.624428][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.624428][ T3767] netlink_unicast+0x449/0x710 [ 3441.624428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.624428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.624428][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.624428][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.624428][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.624428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.624428][ T3767] [ 3441.626498][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3441.626498][ T3767] netdev_get_by_index+0x5e/0x80 [ 3441.626498][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3441.626498][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3441.626498][ T3767] ip6_route_add+0x1c/0x140 [ 3441.626498][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3441.626498][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3441.626498][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.626498][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.626498][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.626498][ T3767] netlink_unicast+0x449/0x710 [ 3441.626498][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.626498][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.626498][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.626498][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.626498][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.626498][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.626498][ T3767] [ 3441.628694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3441.628694][ T3767] netdev_get_by_index+0x5e/0x80 [ 3441.628694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3441.628694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3441.628694][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3441.628694][ T3767] ipv6_add_addr+0x411/0x2000 [ 3441.628694][ T3767] inet6_addr_add+0x30e/0xa40 [ 3441.628694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.628694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.628694][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.628694][ T3767] netlink_unicast+0x449/0x710 [ 3441.628694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.628694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.628694][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.628694][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.628694][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.628694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.628694][ T3767] [ 3441.630892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3441.630892][ T3767] netdev_get_by_index+0x5e/0x80 [ 3441.630892][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3441.630892][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3441.630892][ T3767] ip6_route_add+0x1c/0x140 [ 3441.630892][ T3767] addrconf_add_mroute+0x129/0x180 [ 3441.630892][ T3767] addrconf_add_dev+0xe2/0x170 [ 3441.630892][ T3767] inet6_addr_add+0x12f/0xa40 [ 3441.630892][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3441.630892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.630892][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.630892][ T3767] netlink_unicast+0x449/0x710 [ 3441.630892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.630892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.630892][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.630892][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.630892][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.630892][ T3767] [ 3441.633036][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3441.633036][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3441.633036][ T3767] ipv6_find_idev+0x102/0x170 [ 3441.633036][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3441.633036][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.633036][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.633036][ T3767] netlink_unicast+0x449/0x710 [ 3441.633036][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.633036][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.633036][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.633036][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.633036][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.633036][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.633036][ T3767] [ 3441.634713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3441.634713][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3441.634713][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3441.634713][ T3767] ipv6_find_idev+0x102/0x170 [ 3441.634713][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3441.634713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3441.634713][ T3767] netlink_rcv_skb+0x130/0x360 [ 3441.634713][ T3767] netlink_unicast+0x449/0x710 [ 3441.634713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3441.634713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3441.634713][ T3767] ___sys_sendmsg+0xee/0x170 [ 3441.634713][ T3767] __sys_sendmsg+0xcd/0x170 [ 3441.634713][ T3767] do_syscall_64+0xc6/0x1e0 [ 3441.634713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.634713][ T3767] [ 3451.639968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3451.640520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3451.640520][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3451.640520][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3451.640520][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3451.640520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3451.640520][ T3767] ip6_route_add+0x1c/0x140 [ 3451.640520][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3451.640520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.640520][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.640520][ T3767] netlink_unicast+0x449/0x710 [ 3451.640520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.640520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.640520][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.640520][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.640520][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.640520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.640520][ T3767] [ 3451.642607][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3451.642607][ T3767] netdev_get_by_index+0x5e/0x80 [ 3451.642607][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3451.642607][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3451.642607][ T3767] ip6_route_add+0x1c/0x140 [ 3451.642607][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3451.642607][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3451.642607][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.642607][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.642607][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.642607][ T3767] netlink_unicast+0x449/0x710 [ 3451.642607][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.642607][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.642607][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.642607][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.642607][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.642607][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.642607][ T3767] [ 3451.644818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3451.644818][ T3767] netdev_get_by_index+0x5e/0x80 [ 3451.644818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3451.644818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3451.644818][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3451.644818][ T3767] ipv6_add_addr+0x411/0x2000 [ 3451.644818][ T3767] inet6_addr_add+0x30e/0xa40 [ 3451.644818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.644818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.644818][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.644818][ T3767] netlink_unicast+0x449/0x710 [ 3451.644818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.644818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.644818][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.644818][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.644818][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.644818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.644818][ T3767] [ 3451.647031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3451.647031][ T3767] netdev_get_by_index+0x5e/0x80 [ 3451.647031][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3451.647031][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3451.647031][ T3767] ip6_route_add+0x1c/0x140 [ 3451.647031][ T3767] addrconf_add_mroute+0x129/0x180 [ 3451.647031][ T3767] addrconf_add_dev+0xe2/0x170 [ 3451.647031][ T3767] inet6_addr_add+0x12f/0xa40 [ 3451.647031][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3451.647031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.647031][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.647031][ T3767] netlink_unicast+0x449/0x710 [ 3451.647031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.647031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.647031][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.647031][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.647031][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.647031][ T3767] [ 3451.649203][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3451.649203][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3451.649203][ T3767] ipv6_find_idev+0x102/0x170 [ 3451.649203][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3451.649203][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.649203][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.649203][ T3767] netlink_unicast+0x449/0x710 [ 3451.649203][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.649203][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.649203][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.649203][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.649203][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.649203][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.649203][ T3767] [ 3451.650906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3451.650906][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3451.650906][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3451.650906][ T3767] ipv6_find_idev+0x102/0x170 [ 3451.650906][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3451.650906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3451.650906][ T3767] netlink_rcv_skb+0x130/0x360 [ 3451.650906][ T3767] netlink_unicast+0x449/0x710 [ 3451.650906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3451.650906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3451.650906][ T3767] ___sys_sendmsg+0xee/0x170 [ 3451.650906][ T3767] __sys_sendmsg+0xcd/0x170 [ 3451.650906][ T3767] do_syscall_64+0xc6/0x1e0 [ 3451.650906][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3451.650906][ T3767] [ 3461.751953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3461.752425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3461.752425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3461.752425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3461.752425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3461.752425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3461.752425][ T3767] ip6_route_add+0x1c/0x140 [ 3461.752425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3461.752425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.752425][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.752425][ T3767] netlink_unicast+0x449/0x710 [ 3461.752425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.752425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.752425][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.752425][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.752425][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.752425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.752425][ T3767] [ 3461.754511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3461.754511][ T3767] netdev_get_by_index+0x5e/0x80 [ 3461.754511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3461.754511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3461.754511][ T3767] ip6_route_add+0x1c/0x140 [ 3461.754511][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3461.754511][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3461.754511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.754511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.754511][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.754511][ T3767] netlink_unicast+0x449/0x710 [ 3461.754511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.754511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.754511][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.754511][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.754511][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.754511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.754511][ T3767] [ 3461.756698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3461.756698][ T3767] netdev_get_by_index+0x5e/0x80 [ 3461.756698][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3461.756698][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3461.756698][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3461.756698][ T3767] ipv6_add_addr+0x411/0x2000 [ 3461.756698][ T3767] inet6_addr_add+0x30e/0xa40 [ 3461.756698][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.756698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.756698][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.756698][ T3767] netlink_unicast+0x449/0x710 [ 3461.756698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.756698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.756698][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.756698][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.756698][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.756698][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.756698][ T3767] [ 3461.758892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3461.758892][ T3767] netdev_get_by_index+0x5e/0x80 [ 3461.758892][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3461.758892][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3461.758892][ T3767] ip6_route_add+0x1c/0x140 [ 3461.758892][ T3767] addrconf_add_mroute+0x129/0x180 [ 3461.758892][ T3767] addrconf_add_dev+0xe2/0x170 [ 3461.758892][ T3767] inet6_addr_add+0x12f/0xa40 [ 3461.758892][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3461.758892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.758892][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.758892][ T3767] netlink_unicast+0x449/0x710 [ 3461.758892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.758892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.758892][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.758892][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.758892][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.758892][ T3767] [ 3461.761061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3461.761061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3461.761061][ T3767] ipv6_find_idev+0x102/0x170 [ 3461.761061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3461.761061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.761061][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.761061][ T3767] netlink_unicast+0x449/0x710 [ 3461.761061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.761061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.761061][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.761061][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.761061][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.761061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.761061][ T3767] [ 3461.762737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3461.762737][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3461.762737][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3461.762737][ T3767] ipv6_find_idev+0x102/0x170 [ 3461.762737][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3461.762737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3461.762737][ T3767] netlink_rcv_skb+0x130/0x360 [ 3461.762737][ T3767] netlink_unicast+0x449/0x710 [ 3461.762737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3461.762737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3461.762737][ T3767] ___sys_sendmsg+0xee/0x170 [ 3461.762737][ T3767] __sys_sendmsg+0xcd/0x170 [ 3461.762737][ T3767] do_syscall_64+0xc6/0x1e0 [ 3461.762737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3461.762737][ T3767] [ 3471.999950][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3472.000437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3472.000437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3472.000437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3472.000437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3472.000437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3472.000437][ T3767] ip6_route_add+0x1c/0x140 [ 3472.000437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3472.000437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.000437][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.000437][ T3767] netlink_unicast+0x449/0x710 [ 3472.000437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.000437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.000437][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.000437][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.000437][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.000437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.000437][ T3767] [ 3472.002524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3472.002524][ T3767] netdev_get_by_index+0x5e/0x80 [ 3472.002524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3472.002524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3472.002524][ T3767] ip6_route_add+0x1c/0x140 [ 3472.002524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3472.002524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3472.002524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.002524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.002524][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.002524][ T3767] netlink_unicast+0x449/0x710 [ 3472.002524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.002524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.002524][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.002524][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.002524][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.002524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.002524][ T3767] [ 3472.004701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3472.004701][ T3767] netdev_get_by_index+0x5e/0x80 [ 3472.004701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3472.004701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3472.004701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3472.004701][ T3767] ipv6_add_addr+0x411/0x2000 [ 3472.004701][ T3767] inet6_addr_add+0x30e/0xa40 [ 3472.004701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.004701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.004701][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.004701][ T3767] netlink_unicast+0x449/0x710 [ 3472.004701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.004701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.004701][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.004701][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.004701][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.004701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.004701][ T3767] [ 3472.006879][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3472.006879][ T3767] netdev_get_by_index+0x5e/0x80 [ 3472.006879][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3472.006879][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3472.006879][ T3767] ip6_route_add+0x1c/0x140 [ 3472.006879][ T3767] addrconf_add_mroute+0x129/0x180 [ 3472.006879][ T3767] addrconf_add_dev+0xe2/0x170 [ 3472.006879][ T3767] inet6_addr_add+0x12f/0xa40 [ 3472.006879][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3472.006879][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.006879][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.006879][ T3767] netlink_unicast+0x449/0x710 [ 3472.006879][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.006879][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.006879][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.006879][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.006879][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.006879][ T3767] [ 3472.009022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3472.009022][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3472.009022][ T3767] ipv6_find_idev+0x102/0x170 [ 3472.009022][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3472.009022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.009022][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.009022][ T3767] netlink_unicast+0x449/0x710 [ 3472.009022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.009022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.009022][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.009022][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.009022][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.009022][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.009022][ T3767] [ 3472.010699][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3472.010699][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3472.010699][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3472.010699][ T3767] ipv6_find_idev+0x102/0x170 [ 3472.010699][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3472.010699][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3472.010699][ T3767] netlink_rcv_skb+0x130/0x360 [ 3472.010699][ T3767] netlink_unicast+0x449/0x710 [ 3472.010699][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3472.010699][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3472.010699][ T3767] ___sys_sendmsg+0xee/0x170 [ 3472.010699][ T3767] __sys_sendmsg+0xcd/0x170 [ 3472.010699][ T3767] do_syscall_64+0xc6/0x1e0 [ 3472.010699][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3472.010699][ T3767] [ 3482.247949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3482.248426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3482.248426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3482.248426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3482.248426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3482.248426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3482.248426][ T3767] ip6_route_add+0x1c/0x140 [ 3482.248426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3482.248426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.248426][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.248426][ T3767] netlink_unicast+0x449/0x710 [ 3482.248426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.248426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.248426][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.248426][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.248426][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.248426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.248426][ T3767] [ 3482.250530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3482.250530][ T3767] netdev_get_by_index+0x5e/0x80 [ 3482.250530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3482.250530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3482.250530][ T3767] ip6_route_add+0x1c/0x140 [ 3482.250530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3482.250530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3482.250530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.250530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.250530][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.250530][ T3767] netlink_unicast+0x449/0x710 [ 3482.250530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.250530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.250530][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.250530][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.250530][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.250530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.250530][ T3767] [ 3482.252741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3482.252741][ T3767] netdev_get_by_index+0x5e/0x80 [ 3482.252741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3482.252741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3482.252741][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3482.252741][ T3767] ipv6_add_addr+0x411/0x2000 [ 3482.252741][ T3767] inet6_addr_add+0x30e/0xa40 [ 3482.252741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.252741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.252741][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.252741][ T3767] netlink_unicast+0x449/0x710 [ 3482.252741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.252741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.252741][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.252741][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.252741][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.252741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.252741][ T3767] [ 3482.255040][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3482.255040][ T3767] netdev_get_by_index+0x5e/0x80 [ 3482.255040][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3482.255040][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3482.255040][ T3767] ip6_route_add+0x1c/0x140 [ 3482.255040][ T3767] addrconf_add_mroute+0x129/0x180 [ 3482.255040][ T3767] addrconf_add_dev+0xe2/0x170 [ 3482.255040][ T3767] inet6_addr_add+0x12f/0xa40 [ 3482.255040][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3482.255040][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.255040][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.255040][ T3767] netlink_unicast+0x449/0x710 [ 3482.255040][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.255040][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.255040][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.255040][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.255040][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.255040][ T3767] [ 3482.257202][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3482.257202][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3482.257202][ T3767] ipv6_find_idev+0x102/0x170 [ 3482.257202][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3482.257202][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.257202][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.257202][ T3767] netlink_unicast+0x449/0x710 [ 3482.257202][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.257202][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.257202][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.257202][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.257202][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.257202][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.257202][ T3767] [ 3482.258880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3482.258880][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3482.258880][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3482.258880][ T3767] ipv6_find_idev+0x102/0x170 [ 3482.258880][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3482.258880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3482.258880][ T3767] netlink_rcv_skb+0x130/0x360 [ 3482.258880][ T3767] netlink_unicast+0x449/0x710 [ 3482.258880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3482.258880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3482.258880][ T3767] ___sys_sendmsg+0xee/0x170 [ 3482.258880][ T3767] __sys_sendmsg+0xcd/0x170 [ 3482.258880][ T3767] do_syscall_64+0xc6/0x1e0 [ 3482.258880][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3482.258880][ T3767] [ 3492.296052][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3492.296536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3492.296536][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3492.296536][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3492.296536][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3492.296536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3492.296536][ T3767] ip6_route_add+0x1c/0x140 [ 3492.296536][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3492.296536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.296536][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.296536][ T3767] netlink_unicast+0x449/0x710 [ 3492.296536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.296536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.296536][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.296536][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.296536][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.296536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.296536][ T3767] [ 3492.298611][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3492.298611][ T3767] netdev_get_by_index+0x5e/0x80 [ 3492.298611][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3492.298611][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3492.298611][ T3767] ip6_route_add+0x1c/0x140 [ 3492.298611][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3492.298611][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3492.298611][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.298611][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.298611][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.298611][ T3767] netlink_unicast+0x449/0x710 [ 3492.298611][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.298611][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.298611][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.298611][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.298611][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.298611][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.298611][ T3767] [ 3492.300834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3492.300834][ T3767] netdev_get_by_index+0x5e/0x80 [ 3492.300834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3492.300834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3492.300834][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3492.300834][ T3767] ipv6_add_addr+0x411/0x2000 [ 3492.300834][ T3767] inet6_addr_add+0x30e/0xa40 [ 3492.300834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.300834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.300834][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.300834][ T3767] netlink_unicast+0x449/0x710 [ 3492.300834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.300834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.300834][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.300834][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.300834][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.300834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.300834][ T3767] [ 3492.303021][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3492.303021][ T3767] netdev_get_by_index+0x5e/0x80 [ 3492.303021][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3492.303021][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3492.303021][ T3767] ip6_route_add+0x1c/0x140 [ 3492.303021][ T3767] addrconf_add_mroute+0x129/0x180 [ 3492.303021][ T3767] addrconf_add_dev+0xe2/0x170 [ 3492.303021][ T3767] inet6_addr_add+0x12f/0xa40 [ 3492.303021][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3492.303021][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.303021][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.303021][ T3767] netlink_unicast+0x449/0x710 [ 3492.303021][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.303021][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.303021][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.303021][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.303021][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.303021][ T3767] [ 3492.305173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3492.305173][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3492.305173][ T3767] ipv6_find_idev+0x102/0x170 [ 3492.305173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3492.305173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.305173][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.305173][ T3767] netlink_unicast+0x449/0x710 [ 3492.305173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.305173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.305173][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.305173][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.305173][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.305173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.305173][ T3767] [ 3492.306851][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3492.306851][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3492.306851][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3492.306851][ T3767] ipv6_find_idev+0x102/0x170 [ 3492.306851][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3492.306851][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3492.306851][ T3767] netlink_rcv_skb+0x130/0x360 [ 3492.306851][ T3767] netlink_unicast+0x449/0x710 [ 3492.306851][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3492.306851][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3492.306851][ T3767] ___sys_sendmsg+0xee/0x170 [ 3492.306851][ T3767] __sys_sendmsg+0xcd/0x170 [ 3492.306851][ T3767] do_syscall_64+0xc6/0x1e0 [ 3492.306851][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3492.306851][ T3767] [ 3502.544046][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3502.544533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3502.544533][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3502.544533][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3502.544533][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3502.544533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3502.544533][ T3767] ip6_route_add+0x1c/0x140 [ 3502.544533][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3502.544533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.544533][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.544533][ T3767] netlink_unicast+0x449/0x710 [ 3502.544533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.544533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.544533][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.544533][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.544533][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.544533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.544533][ T3767] [ 3502.546622][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3502.546622][ T3767] netdev_get_by_index+0x5e/0x80 [ 3502.546622][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3502.546622][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3502.546622][ T3767] ip6_route_add+0x1c/0x140 [ 3502.546622][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3502.546622][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3502.546622][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.546622][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.546622][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.546622][ T3767] netlink_unicast+0x449/0x710 [ 3502.546622][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.546622][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.546622][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.546622][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.546622][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.546622][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.546622][ T3767] [ 3502.548816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3502.548816][ T3767] netdev_get_by_index+0x5e/0x80 [ 3502.548816][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3502.548816][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3502.548816][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3502.548816][ T3767] ipv6_add_addr+0x411/0x2000 [ 3502.548816][ T3767] inet6_addr_add+0x30e/0xa40 [ 3502.548816][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.548816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.548816][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.548816][ T3767] netlink_unicast+0x449/0x710 [ 3502.548816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.548816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.548816][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.548816][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.548816][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.548816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.548816][ T3767] [ 3502.551009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3502.551009][ T3767] netdev_get_by_index+0x5e/0x80 [ 3502.551009][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3502.551009][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3502.551009][ T3767] ip6_route_add+0x1c/0x140 [ 3502.551009][ T3767] addrconf_add_mroute+0x129/0x180 [ 3502.551009][ T3767] addrconf_add_dev+0xe2/0x170 [ 3502.551009][ T3767] inet6_addr_add+0x12f/0xa40 [ 3502.551009][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3502.551009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.551009][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.551009][ T3767] netlink_unicast+0x449/0x710 [ 3502.551009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.551009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.551009][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.551009][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.551009][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.551009][ T3767] [ 3502.553151][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3502.553151][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3502.553151][ T3767] ipv6_find_idev+0x102/0x170 [ 3502.553151][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3502.553151][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.553151][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.553151][ T3767] netlink_unicast+0x449/0x710 [ 3502.553151][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.553151][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.553151][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.553151][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.553151][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.553151][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.553151][ T3767] [ 3502.554835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3502.554835][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3502.554835][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3502.554835][ T3767] ipv6_find_idev+0x102/0x170 [ 3502.554835][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3502.554835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3502.554835][ T3767] netlink_rcv_skb+0x130/0x360 [ 3502.554835][ T3767] netlink_unicast+0x449/0x710 [ 3502.554835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3502.554835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3502.554835][ T3767] ___sys_sendmsg+0xee/0x170 [ 3502.554835][ T3767] __sys_sendmsg+0xcd/0x170 [ 3502.554835][ T3767] do_syscall_64+0xc6/0x1e0 [ 3502.554835][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3502.554835][ T3767] [ 3512.791949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3512.792424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3512.792424][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3512.792424][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3512.792424][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3512.792424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3512.792424][ T3767] ip6_route_add+0x1c/0x140 [ 3512.792424][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3512.792424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.792424][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.792424][ T3767] netlink_unicast+0x449/0x710 [ 3512.792424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.792424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.792424][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.792424][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.792424][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.792424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.792424][ T3767] [ 3512.794498][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3512.794498][ T3767] netdev_get_by_index+0x5e/0x80 [ 3512.794498][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3512.794498][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3512.794498][ T3767] ip6_route_add+0x1c/0x140 [ 3512.794498][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3512.794498][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3512.794498][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.794498][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.794498][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.794498][ T3767] netlink_unicast+0x449/0x710 [ 3512.794498][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.794498][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.794498][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.794498][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.794498][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.794498][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.794498][ T3767] [ 3512.796699][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3512.796699][ T3767] netdev_get_by_index+0x5e/0x80 [ 3512.796699][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3512.796699][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3512.796699][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3512.796699][ T3767] ipv6_add_addr+0x411/0x2000 [ 3512.796699][ T3767] inet6_addr_add+0x30e/0xa40 [ 3512.796699][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.796699][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.796699][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.796699][ T3767] netlink_unicast+0x449/0x710 [ 3512.796699][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.796699][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.796699][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.796699][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.796699][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.796699][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.796699][ T3767] [ 3512.798964][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3512.798964][ T3767] netdev_get_by_index+0x5e/0x80 [ 3512.798964][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3512.798964][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3512.798964][ T3767] ip6_route_add+0x1c/0x140 [ 3512.798964][ T3767] addrconf_add_mroute+0x129/0x180 [ 3512.798964][ T3767] addrconf_add_dev+0xe2/0x170 [ 3512.798964][ T3767] inet6_addr_add+0x12f/0xa40 [ 3512.798964][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.798964][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.798964][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.798964][ T3767] netlink_unicast+0x449/0x710 [ 3512.798964][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.798964][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.798964][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.798964][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.798964][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.798964][ T3767] [ 3512.801679][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3512.801679][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3512.801679][ T3767] ipv6_find_idev+0x102/0x170 [ 3512.801679][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.801679][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.801679][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.801679][ T3767] netlink_unicast+0x449/0x710 [ 3512.801679][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.801679][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.801679][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.801679][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.801679][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.801679][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.801679][ T3767] [ 3512.803355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3512.803355][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3512.803355][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3512.803355][ T3767] ipv6_find_idev+0x102/0x170 [ 3512.803355][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.803355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.803355][ T3767] netlink_rcv_skb+0x130/0x360 [ 3512.803355][ T3767] netlink_unicast+0x449/0x710 [ 3512.803355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3512.803355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3512.803355][ T3767] ___sys_sendmsg+0xee/0x170 [ 3512.803355][ T3767] __sys_sendmsg+0xcd/0x170 [ 3512.803355][ T3767] do_syscall_64+0xc6/0x1e0 [ 3512.803355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.803355][ T3767] [ 3522.840083][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3522.840571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3522.840571][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3522.840571][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3522.840571][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3522.840571][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3522.840571][ T3767] ip6_route_add+0x1c/0x140 [ 3522.840571][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3522.840571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.840571][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.840571][ T3767] netlink_unicast+0x449/0x710 [ 3522.840571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.840571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.840571][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.840571][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.840571][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.840571][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.840571][ T3767] [ 3522.842631][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3522.842631][ T3767] netdev_get_by_index+0x5e/0x80 [ 3522.842631][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3522.842631][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3522.842631][ T3767] ip6_route_add+0x1c/0x140 [ 3522.842631][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3522.842631][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3522.842631][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.842631][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.842631][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.842631][ T3767] netlink_unicast+0x449/0x710 [ 3522.842631][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.842631][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.842631][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.842631][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.842631][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.842631][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.842631][ T3767] [ 3522.844828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3522.844828][ T3767] netdev_get_by_index+0x5e/0x80 [ 3522.844828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3522.844828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3522.844828][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3522.844828][ T3767] ipv6_add_addr+0x411/0x2000 [ 3522.844828][ T3767] inet6_addr_add+0x30e/0xa40 [ 3522.844828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.844828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.844828][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.844828][ T3767] netlink_unicast+0x449/0x710 [ 3522.844828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.844828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.844828][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.844828][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.844828][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.844828][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.844828][ T3767] [ 3522.847006][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3522.847006][ T3767] netdev_get_by_index+0x5e/0x80 [ 3522.847006][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3522.847006][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3522.847006][ T3767] ip6_route_add+0x1c/0x140 [ 3522.847006][ T3767] addrconf_add_mroute+0x129/0x180 [ 3522.847006][ T3767] addrconf_add_dev+0xe2/0x170 [ 3522.847006][ T3767] inet6_addr_add+0x12f/0xa40 [ 3522.847006][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.847006][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.847006][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.847006][ T3767] netlink_unicast+0x449/0x710 [ 3522.847006][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.847006][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.847006][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.847006][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.847006][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.847006][ T3767] [ 3522.849263][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3522.849263][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3522.849263][ T3767] ipv6_find_idev+0x102/0x170 [ 3522.849263][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.849263][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.849263][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.849263][ T3767] netlink_unicast+0x449/0x710 [ 3522.849263][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.849263][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.849263][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.849263][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.849263][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.849263][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.849263][ T3767] [ 3522.850952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3522.850952][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3522.850952][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3522.850952][ T3767] ipv6_find_idev+0x102/0x170 [ 3522.850952][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.850952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.850952][ T3767] netlink_rcv_skb+0x130/0x360 [ 3522.850952][ T3767] netlink_unicast+0x449/0x710 [ 3522.850952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3522.850952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3522.850952][ T3767] ___sys_sendmsg+0xee/0x170 [ 3522.850952][ T3767] __sys_sendmsg+0xcd/0x170 [ 3522.850952][ T3767] do_syscall_64+0xc6/0x1e0 [ 3522.850952][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.850952][ T3767] [ 3533.104034][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3533.104516][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3533.104516][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3533.104516][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3533.104516][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3533.104516][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3533.104516][ T3767] ip6_route_add+0x1c/0x140 [ 3533.104516][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3533.104516][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.104516][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.104516][ T3767] netlink_unicast+0x449/0x710 [ 3533.104516][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.104516][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.104516][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.104516][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.104516][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.104516][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.104516][ T3767] [ 3533.106588][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3533.106588][ T3767] netdev_get_by_index+0x5e/0x80 [ 3533.106588][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3533.106588][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3533.106588][ T3767] ip6_route_add+0x1c/0x140 [ 3533.106588][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3533.106588][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3533.106588][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.106588][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.106588][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.106588][ T3767] netlink_unicast+0x449/0x710 [ 3533.106588][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.106588][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.106588][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.106588][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.106588][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.106588][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.106588][ T3767] [ 3533.108770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3533.108770][ T3767] netdev_get_by_index+0x5e/0x80 [ 3533.108770][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3533.108770][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3533.108770][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3533.108770][ T3767] ipv6_add_addr+0x411/0x2000 [ 3533.108770][ T3767] inet6_addr_add+0x30e/0xa40 [ 3533.108770][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.108770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.108770][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.108770][ T3767] netlink_unicast+0x449/0x710 [ 3533.108770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.108770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.108770][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.108770][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.108770][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.108770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.108770][ T3767] [ 3533.110973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3533.110973][ T3767] netdev_get_by_index+0x5e/0x80 [ 3533.110973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3533.110973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3533.110973][ T3767] ip6_route_add+0x1c/0x140 [ 3533.110973][ T3767] addrconf_add_mroute+0x129/0x180 [ 3533.110973][ T3767] addrconf_add_dev+0xe2/0x170 [ 3533.110973][ T3767] inet6_addr_add+0x12f/0xa40 [ 3533.110973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3533.110973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.110973][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.110973][ T3767] netlink_unicast+0x449/0x710 [ 3533.110973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.110973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.110973][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.110973][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.110973][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.110973][ T3767] [ 3533.113120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3533.113120][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3533.113120][ T3767] ipv6_find_idev+0x102/0x170 [ 3533.113120][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3533.113120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.113120][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.113120][ T3767] netlink_unicast+0x449/0x710 [ 3533.113120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.113120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.113120][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.113120][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.113120][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.113120][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.113120][ T3767] [ 3533.114799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3533.114799][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3533.114799][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3533.114799][ T3767] ipv6_find_idev+0x102/0x170 [ 3533.114799][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3533.114799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3533.114799][ T3767] netlink_rcv_skb+0x130/0x360 [ 3533.114799][ T3767] netlink_unicast+0x449/0x710 [ 3533.114799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3533.114799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3533.114799][ T3767] ___sys_sendmsg+0xee/0x170 [ 3533.114799][ T3767] __sys_sendmsg+0xcd/0x170 [ 3533.114799][ T3767] do_syscall_64+0xc6/0x1e0 [ 3533.114799][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3533.114799][ T3767] [ 3543.432067][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3543.432554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3543.432554][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3543.432554][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3543.432554][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3543.432554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3543.432554][ T3767] ip6_route_add+0x1c/0x140 [ 3543.432554][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3543.432554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.432554][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.432554][ T3767] netlink_unicast+0x449/0x710 [ 3543.432554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.432554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.432554][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.432554][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.432554][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.432554][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.432554][ T3767] [ 3543.434630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3543.434630][ T3767] netdev_get_by_index+0x5e/0x80 [ 3543.434630][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3543.434630][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3543.434630][ T3767] ip6_route_add+0x1c/0x140 [ 3543.434630][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3543.434630][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3543.434630][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.434630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.434630][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.434630][ T3767] netlink_unicast+0x449/0x710 [ 3543.434630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.434630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.434630][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.434630][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.434630][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.434630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.434630][ T3767] [ 3543.436816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3543.436816][ T3767] netdev_get_by_index+0x5e/0x80 [ 3543.436816][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3543.436816][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3543.436816][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3543.436816][ T3767] ipv6_add_addr+0x411/0x2000 [ 3543.436816][ T3767] inet6_addr_add+0x30e/0xa40 [ 3543.436816][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.436816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.436816][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.436816][ T3767] netlink_unicast+0x449/0x710 [ 3543.436816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.436816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.436816][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.436816][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.436816][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.436816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.436816][ T3767] [ 3543.439013][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3543.439013][ T3767] netdev_get_by_index+0x5e/0x80 [ 3543.439013][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3543.439013][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3543.439013][ T3767] ip6_route_add+0x1c/0x140 [ 3543.439013][ T3767] addrconf_add_mroute+0x129/0x180 [ 3543.439013][ T3767] addrconf_add_dev+0xe2/0x170 [ 3543.439013][ T3767] inet6_addr_add+0x12f/0xa40 [ 3543.439013][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3543.439013][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.439013][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.439013][ T3767] netlink_unicast+0x449/0x710 [ 3543.439013][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.439013][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.439013][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.439013][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.439013][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.439013][ T3767] [ 3543.441174][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3543.441174][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3543.441174][ T3767] ipv6_find_idev+0x102/0x170 [ 3543.441174][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3543.441174][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.441174][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.441174][ T3767] netlink_unicast+0x449/0x710 [ 3543.441174][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.441174][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.441174][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.441174][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.441174][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.441174][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.441174][ T3767] [ 3543.442860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3543.442860][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3543.442860][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3543.442860][ T3767] ipv6_find_idev+0x102/0x170 [ 3543.442860][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3543.442860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3543.442860][ T3767] netlink_rcv_skb+0x130/0x360 [ 3543.442860][ T3767] netlink_unicast+0x449/0x710 [ 3543.442860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3543.442860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3543.442860][ T3767] ___sys_sendmsg+0xee/0x170 [ 3543.442860][ T3767] __sys_sendmsg+0xcd/0x170 [ 3543.442860][ T3767] do_syscall_64+0xc6/0x1e0 [ 3543.442860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3543.442860][ T3767] [ 3553.695958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3553.696451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3553.696451][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3553.696451][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3553.696451][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3553.696451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3553.696451][ T3767] ip6_route_add+0x1c/0x140 [ 3553.696451][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3553.696451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.696451][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.696451][ T3767] netlink_unicast+0x449/0x710 [ 3553.696451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.696451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.696451][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.696451][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.696451][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.696451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.696451][ T3767] [ 3553.698517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3553.698517][ T3767] netdev_get_by_index+0x5e/0x80 [ 3553.698517][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3553.698517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3553.698517][ T3767] ip6_route_add+0x1c/0x140 [ 3553.698517][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3553.698517][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3553.698517][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.698517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.698517][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.698517][ T3767] netlink_unicast+0x449/0x710 [ 3553.698517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.698517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.698517][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.698517][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.698517][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.698517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.698517][ T3767] [ 3553.700723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3553.700723][ T3767] netdev_get_by_index+0x5e/0x80 [ 3553.700723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3553.700723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3553.700723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3553.700723][ T3767] ipv6_add_addr+0x411/0x2000 [ 3553.700723][ T3767] inet6_addr_add+0x30e/0xa40 [ 3553.700723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.700723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.700723][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.700723][ T3767] netlink_unicast+0x449/0x710 [ 3553.700723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.700723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.700723][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.700723][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.700723][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.700723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.700723][ T3767] [ 3553.702909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3553.702909][ T3767] netdev_get_by_index+0x5e/0x80 [ 3553.702909][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3553.702909][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3553.702909][ T3767] ip6_route_add+0x1c/0x140 [ 3553.702909][ T3767] addrconf_add_mroute+0x129/0x180 [ 3553.702909][ T3767] addrconf_add_dev+0xe2/0x170 [ 3553.702909][ T3767] inet6_addr_add+0x12f/0xa40 [ 3553.702909][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.702909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.702909][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.702909][ T3767] netlink_unicast+0x449/0x710 [ 3553.702909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.702909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.702909][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.702909][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.702909][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.702909][ T3767] [ 3553.705052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3553.705052][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3553.705052][ T3767] ipv6_find_idev+0x102/0x170 [ 3553.705052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.705052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.705052][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.705052][ T3767] netlink_unicast+0x449/0x710 [ 3553.705052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.705052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.705052][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.705052][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.705052][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.705052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.705052][ T3767] [ 3553.706770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3553.706770][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3553.706770][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3553.706770][ T3767] ipv6_find_idev+0x102/0x170 [ 3553.706770][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.706770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.706770][ T3767] netlink_rcv_skb+0x130/0x360 [ 3553.706770][ T3767] netlink_unicast+0x449/0x710 [ 3553.706770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3553.706770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3553.706770][ T3767] ___sys_sendmsg+0xee/0x170 [ 3553.706770][ T3767] __sys_sendmsg+0xcd/0x170 [ 3553.706770][ T3767] do_syscall_64+0xc6/0x1e0 [ 3553.706770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.706770][ T3767] [ 3563.807885][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3563.808385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3563.808385][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3563.808385][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3563.808385][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3563.808385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3563.808385][ T3767] ip6_route_add+0x1c/0x140 [ 3563.808385][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3563.808385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.808385][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.808385][ T3767] netlink_unicast+0x449/0x710 [ 3563.808385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.808385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.808385][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.808385][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.808385][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.808385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.808385][ T3767] [ 3563.810461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3563.810461][ T3767] netdev_get_by_index+0x5e/0x80 [ 3563.810461][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3563.810461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3563.810461][ T3767] ip6_route_add+0x1c/0x140 [ 3563.810461][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3563.810461][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3563.810461][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.810461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.810461][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.810461][ T3767] netlink_unicast+0x449/0x710 [ 3563.810461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.810461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.810461][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.810461][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.810461][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.810461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.810461][ T3767] [ 3563.812647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3563.812647][ T3767] netdev_get_by_index+0x5e/0x80 [ 3563.812647][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3563.812647][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3563.812647][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3563.812647][ T3767] ipv6_add_addr+0x411/0x2000 [ 3563.812647][ T3767] inet6_addr_add+0x30e/0xa40 [ 3563.812647][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.812647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.812647][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.812647][ T3767] netlink_unicast+0x449/0x710 [ 3563.812647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.812647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.812647][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.812647][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.812647][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.812647][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.812647][ T3767] [ 3563.814831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3563.814831][ T3767] netdev_get_by_index+0x5e/0x80 [ 3563.814831][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3563.814831][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3563.814831][ T3767] ip6_route_add+0x1c/0x140 [ 3563.814831][ T3767] addrconf_add_mroute+0x129/0x180 [ 3563.814831][ T3767] addrconf_add_dev+0xe2/0x170 [ 3563.814831][ T3767] inet6_addr_add+0x12f/0xa40 [ 3563.814831][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.814831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.814831][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.814831][ T3767] netlink_unicast+0x449/0x710 [ 3563.814831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.814831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.814831][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.814831][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.814831][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.814831][ T3767] [ 3563.816986][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3563.816986][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3563.816986][ T3767] ipv6_find_idev+0x102/0x170 [ 3563.816986][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.816986][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.816986][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.816986][ T3767] netlink_unicast+0x449/0x710 [ 3563.816986][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.816986][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.816986][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.816986][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.816986][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.816986][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.816986][ T3767] [ 3563.818672][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3563.818672][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3563.818672][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3563.818672][ T3767] ipv6_find_idev+0x102/0x170 [ 3563.818672][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.818672][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.818672][ T3767] netlink_rcv_skb+0x130/0x360 [ 3563.818672][ T3767] netlink_unicast+0x449/0x710 [ 3563.818672][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3563.818672][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3563.818672][ T3767] ___sys_sendmsg+0xee/0x170 [ 3563.818672][ T3767] __sys_sendmsg+0xcd/0x170 [ 3563.818672][ T3767] do_syscall_64+0xc6/0x1e0 [ 3563.818672][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.818672][ T3767] [ 3574.055980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3574.056482][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3574.056482][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3574.056482][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3574.056482][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3574.056482][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3574.056482][ T3767] ip6_route_add+0x1c/0x140 [ 3574.056482][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3574.056482][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.056482][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.056482][ T3767] netlink_unicast+0x449/0x710 [ 3574.056482][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.056482][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.056482][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.056482][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.056482][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.056482][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.056482][ T3767] [ 3574.058644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3574.058644][ T3767] netdev_get_by_index+0x5e/0x80 [ 3574.058644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3574.058644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3574.058644][ T3767] ip6_route_add+0x1c/0x140 [ 3574.058644][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3574.058644][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3574.058644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.058644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.058644][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.058644][ T3767] netlink_unicast+0x449/0x710 [ 3574.058644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.058644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.058644][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.058644][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.058644][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.058644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.058644][ T3767] [ 3574.060869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3574.060869][ T3767] netdev_get_by_index+0x5e/0x80 [ 3574.060869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3574.060869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3574.060869][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3574.060869][ T3767] ipv6_add_addr+0x411/0x2000 [ 3574.060869][ T3767] inet6_addr_add+0x30e/0xa40 [ 3574.060869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.060869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.060869][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.060869][ T3767] netlink_unicast+0x449/0x710 [ 3574.060869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.060869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.060869][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.060869][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.060869][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.060869][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.060869][ T3767] [ 3574.063054][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3574.063054][ T3767] netdev_get_by_index+0x5e/0x80 [ 3574.063054][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3574.063054][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3574.063054][ T3767] ip6_route_add+0x1c/0x140 [ 3574.063054][ T3767] addrconf_add_mroute+0x129/0x180 [ 3574.063054][ T3767] addrconf_add_dev+0xe2/0x170 [ 3574.063054][ T3767] inet6_addr_add+0x12f/0xa40 [ 3574.063054][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3574.063054][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.063054][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.063054][ T3767] netlink_unicast+0x449/0x710 [ 3574.063054][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.063054][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.063054][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.063054][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.063054][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.063054][ T3767] [ 3574.065207][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3574.065207][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3574.065207][ T3767] ipv6_find_idev+0x102/0x170 [ 3574.065207][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3574.065207][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.065207][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.065207][ T3767] netlink_unicast+0x449/0x710 [ 3574.065207][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.065207][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.065207][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.065207][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.065207][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.065207][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.065207][ T3767] [ 3574.066893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3574.066893][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3574.066893][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3574.066893][ T3767] ipv6_find_idev+0x102/0x170 [ 3574.066893][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3574.066893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3574.066893][ T3767] netlink_rcv_skb+0x130/0x360 [ 3574.066893][ T3767] netlink_unicast+0x449/0x710 [ 3574.066893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3574.066893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3574.066893][ T3767] ___sys_sendmsg+0xee/0x170 [ 3574.066893][ T3767] __sys_sendmsg+0xcd/0x170 [ 3574.066893][ T3767] do_syscall_64+0xc6/0x1e0 [ 3574.066893][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3574.066893][ T3767] [ 3584.303997][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3584.304507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3584.304507][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3584.304507][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3584.304507][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3584.304507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3584.304507][ T3767] ip6_route_add+0x1c/0x140 [ 3584.304507][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3584.304507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.304507][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.304507][ T3767] netlink_unicast+0x449/0x710 [ 3584.304507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.304507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.304507][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.304507][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.304507][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.304507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.304507][ T3767] [ 3584.306586][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3584.306586][ T3767] netdev_get_by_index+0x5e/0x80 [ 3584.306586][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3584.306586][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3584.306586][ T3767] ip6_route_add+0x1c/0x140 [ 3584.306586][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3584.306586][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3584.306586][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.306586][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.306586][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.306586][ T3767] netlink_unicast+0x449/0x710 [ 3584.306586][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.306586][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.306586][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.306586][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.306586][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.306586][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.306586][ T3767] [ 3584.308786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3584.308786][ T3767] netdev_get_by_index+0x5e/0x80 [ 3584.308786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3584.308786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3584.308786][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3584.308786][ T3767] ipv6_add_addr+0x411/0x2000 [ 3584.308786][ T3767] inet6_addr_add+0x30e/0xa40 [ 3584.308786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.308786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.308786][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.308786][ T3767] netlink_unicast+0x449/0x710 [ 3584.308786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.308786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.308786][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.308786][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.308786][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.308786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.308786][ T3767] [ 3584.310994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3584.310994][ T3767] netdev_get_by_index+0x5e/0x80 [ 3584.310994][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3584.310994][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3584.310994][ T3767] ip6_route_add+0x1c/0x140 [ 3584.310994][ T3767] addrconf_add_mroute+0x129/0x180 [ 3584.310994][ T3767] addrconf_add_dev+0xe2/0x170 [ 3584.310994][ T3767] inet6_addr_add+0x12f/0xa40 [ 3584.310994][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3584.310994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.310994][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.310994][ T3767] netlink_unicast+0x449/0x710 [ 3584.310994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.310994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.310994][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.310994][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.310994][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.310994][ T3767] [ 3584.313142][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3584.313142][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3584.313142][ T3767] ipv6_find_idev+0x102/0x170 [ 3584.313142][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3584.313142][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.313142][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.313142][ T3767] netlink_unicast+0x449/0x710 [ 3584.313142][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.313142][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.313142][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.313142][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.313142][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.313142][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.313142][ T3767] [ 3584.314822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3584.314822][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3584.314822][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3584.314822][ T3767] ipv6_find_idev+0x102/0x170 [ 3584.314822][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3584.314822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.314822][ T3767] netlink_rcv_skb+0x130/0x360 [ 3584.314822][ T3767] netlink_unicast+0x449/0x710 [ 3584.314822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3584.314822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3584.314822][ T3767] ___sys_sendmsg+0xee/0x170 [ 3584.314822][ T3767] __sys_sendmsg+0xcd/0x170 [ 3584.314822][ T3767] do_syscall_64+0xc6/0x1e0 [ 3584.314822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.314822][ T3767] [ 3594.551973][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3594.552457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3594.552457][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3594.552457][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3594.552457][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3594.552457][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3594.552457][ T3767] ip6_route_add+0x1c/0x140 [ 3594.552457][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3594.552457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.552457][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.552457][ T3767] netlink_unicast+0x449/0x710 [ 3594.552457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.552457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.552457][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.552457][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.552457][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.552457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.552457][ T3767] [ 3594.554533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3594.554533][ T3767] netdev_get_by_index+0x5e/0x80 [ 3594.554533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3594.554533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3594.554533][ T3767] ip6_route_add+0x1c/0x140 [ 3594.554533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3594.554533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3594.554533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.554533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.554533][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.554533][ T3767] netlink_unicast+0x449/0x710 [ 3594.554533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.554533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.554533][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.554533][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.554533][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.554533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.554533][ T3767] [ 3594.556747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3594.556747][ T3767] netdev_get_by_index+0x5e/0x80 [ 3594.556747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3594.556747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3594.556747][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3594.556747][ T3767] ipv6_add_addr+0x411/0x2000 [ 3594.556747][ T3767] inet6_addr_add+0x30e/0xa40 [ 3594.556747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.556747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.556747][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.556747][ T3767] netlink_unicast+0x449/0x710 [ 3594.556747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.556747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.556747][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.556747][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.556747][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.556747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.556747][ T3767] [ 3594.558931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3594.558931][ T3767] netdev_get_by_index+0x5e/0x80 [ 3594.558931][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3594.558931][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3594.558931][ T3767] ip6_route_add+0x1c/0x140 [ 3594.558931][ T3767] addrconf_add_mroute+0x129/0x180 [ 3594.558931][ T3767] addrconf_add_dev+0xe2/0x170 [ 3594.558931][ T3767] inet6_addr_add+0x12f/0xa40 [ 3594.558931][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.558931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.558931][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.558931][ T3767] netlink_unicast+0x449/0x710 [ 3594.558931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.558931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.558931][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.558931][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.558931][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.558931][ T3767] [ 3594.561088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3594.561088][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3594.561088][ T3767] ipv6_find_idev+0x102/0x170 [ 3594.561088][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.561088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.561088][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.561088][ T3767] netlink_unicast+0x449/0x710 [ 3594.561088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.561088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.561088][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.561088][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.561088][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.561088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.561088][ T3767] [ 3594.562762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3594.562762][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3594.562762][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3594.562762][ T3767] ipv6_find_idev+0x102/0x170 [ 3594.562762][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.562762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.562762][ T3767] netlink_rcv_skb+0x130/0x360 [ 3594.562762][ T3767] netlink_unicast+0x449/0x710 [ 3594.562762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3594.562762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3594.562762][ T3767] ___sys_sendmsg+0xee/0x170 [ 3594.562762][ T3767] __sys_sendmsg+0xcd/0x170 [ 3594.562762][ T3767] do_syscall_64+0xc6/0x1e0 [ 3594.562762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.562762][ T3767] [ 3604.799951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3604.800433][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3604.800433][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3604.800433][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3604.800433][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3604.800433][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3604.800433][ T3767] ip6_route_add+0x1c/0x140 [ 3604.800433][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3604.800433][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.800433][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.800433][ T3767] netlink_unicast+0x449/0x710 [ 3604.800433][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.800433][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.800433][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.800433][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.800433][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.800433][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.800433][ T3767] [ 3604.802558][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3604.802558][ T3767] netdev_get_by_index+0x5e/0x80 [ 3604.802558][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3604.802558][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3604.802558][ T3767] ip6_route_add+0x1c/0x140 [ 3604.802558][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3604.802558][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3604.802558][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.802558][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.802558][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.802558][ T3767] netlink_unicast+0x449/0x710 [ 3604.802558][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.802558][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.802558][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.802558][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.802558][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.802558][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.802558][ T3767] [ 3604.804778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3604.804778][ T3767] netdev_get_by_index+0x5e/0x80 [ 3604.804778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3604.804778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3604.804778][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3604.804778][ T3767] ipv6_add_addr+0x411/0x2000 [ 3604.804778][ T3767] inet6_addr_add+0x30e/0xa40 [ 3604.804778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.804778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.804778][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.804778][ T3767] netlink_unicast+0x449/0x710 [ 3604.804778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.804778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.804778][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.804778][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.804778][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.804778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.804778][ T3767] [ 3604.806993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3604.806993][ T3767] netdev_get_by_index+0x5e/0x80 [ 3604.806993][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3604.806993][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3604.806993][ T3767] ip6_route_add+0x1c/0x140 [ 3604.806993][ T3767] addrconf_add_mroute+0x129/0x180 [ 3604.806993][ T3767] addrconf_add_dev+0xe2/0x170 [ 3604.806993][ T3767] inet6_addr_add+0x12f/0xa40 [ 3604.806993][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.806993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.806993][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.806993][ T3767] netlink_unicast+0x449/0x710 [ 3604.806993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.806993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.806993][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.806993][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.806993][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.806993][ T3767] [ 3604.809186][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3604.809186][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3604.809186][ T3767] ipv6_find_idev+0x102/0x170 [ 3604.809186][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.809186][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.809186][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.809186][ T3767] netlink_unicast+0x449/0x710 [ 3604.809186][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.809186][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.809186][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.809186][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.809186][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.809186][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.809186][ T3767] [ 3604.810907][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3604.810907][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3604.810907][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3604.810907][ T3767] ipv6_find_idev+0x102/0x170 [ 3604.810907][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.810907][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.810907][ T3767] netlink_rcv_skb+0x130/0x360 [ 3604.810907][ T3767] netlink_unicast+0x449/0x710 [ 3604.810907][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3604.810907][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3604.810907][ T3767] ___sys_sendmsg+0xee/0x170 [ 3604.810907][ T3767] __sys_sendmsg+0xcd/0x170 [ 3604.810907][ T3767] do_syscall_64+0xc6/0x1e0 [ 3604.810907][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.810907][ T3767] [ 3615.047964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3615.048458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3615.048458][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3615.048458][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3615.048458][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3615.048458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3615.048458][ T3767] ip6_route_add+0x1c/0x140 [ 3615.048458][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3615.048458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.048458][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.048458][ T3767] netlink_unicast+0x449/0x710 [ 3615.048458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.048458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.048458][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.048458][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.048458][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.048458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.048458][ T3767] [ 3615.050575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3615.050575][ T3767] netdev_get_by_index+0x5e/0x80 [ 3615.050575][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3615.050575][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3615.050575][ T3767] ip6_route_add+0x1c/0x140 [ 3615.050575][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3615.050575][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3615.050575][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.050575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.050575][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.050575][ T3767] netlink_unicast+0x449/0x710 [ 3615.050575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.050575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.050575][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.050575][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.050575][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.050575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.050575][ T3767] [ 3615.052784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3615.052784][ T3767] netdev_get_by_index+0x5e/0x80 [ 3615.052784][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3615.052784][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3615.052784][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3615.052784][ T3767] ipv6_add_addr+0x411/0x2000 [ 3615.052784][ T3767] inet6_addr_add+0x30e/0xa40 [ 3615.052784][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.052784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.052784][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.052784][ T3767] netlink_unicast+0x449/0x710 [ 3615.052784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.052784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.052784][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.052784][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.052784][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.052784][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.052784][ T3767] [ 3615.054996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3615.054996][ T3767] netdev_get_by_index+0x5e/0x80 [ 3615.054996][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3615.054996][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3615.054996][ T3767] ip6_route_add+0x1c/0x140 [ 3615.054996][ T3767] addrconf_add_mroute+0x129/0x180 [ 3615.054996][ T3767] addrconf_add_dev+0xe2/0x170 [ 3615.054996][ T3767] inet6_addr_add+0x12f/0xa40 [ 3615.054996][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3615.054996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.054996][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.054996][ T3767] netlink_unicast+0x449/0x710 [ 3615.054996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.054996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.054996][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.054996][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.054996][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.054996][ T3767] [ 3615.057202][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3615.057202][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3615.057202][ T3767] ipv6_find_idev+0x102/0x170 [ 3615.057202][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3615.057202][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.057202][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.057202][ T3767] netlink_unicast+0x449/0x710 [ 3615.057202][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.057202][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.057202][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.057202][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.057202][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.057202][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.057202][ T3767] [ 3615.059017][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3615.059017][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3615.059017][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3615.059017][ T3767] ipv6_find_idev+0x102/0x170 [ 3615.059017][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3615.059017][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3615.059017][ T3767] netlink_rcv_skb+0x130/0x360 [ 3615.059017][ T3767] netlink_unicast+0x449/0x710 [ 3615.059017][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3615.059017][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3615.059017][ T3767] ___sys_sendmsg+0xee/0x170 [ 3615.059017][ T3767] __sys_sendmsg+0xcd/0x170 [ 3615.059017][ T3767] do_syscall_64+0xc6/0x1e0 [ 3615.059017][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3615.059017][ T3767] [ 3625.303940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3625.304477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3625.304477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3625.304477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3625.304477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3625.304477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3625.304477][ T3767] ip6_route_add+0x1c/0x140 [ 3625.304477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3625.304477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.304477][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.304477][ T3767] netlink_unicast+0x449/0x710 [ 3625.304477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.304477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.304477][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.304477][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.304477][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.304477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.304477][ T3767] [ 3625.306609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3625.306609][ T3767] netdev_get_by_index+0x5e/0x80 [ 3625.306609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3625.306609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3625.306609][ T3767] ip6_route_add+0x1c/0x140 [ 3625.306609][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3625.306609][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3625.306609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.306609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.306609][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.306609][ T3767] netlink_unicast+0x449/0x710 [ 3625.306609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.306609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.306609][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.306609][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.306609][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.306609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.306609][ T3767] [ 3625.308865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3625.308865][ T3767] netdev_get_by_index+0x5e/0x80 [ 3625.308865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3625.308865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3625.308865][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3625.308865][ T3767] ipv6_add_addr+0x411/0x2000 [ 3625.308865][ T3767] inet6_addr_add+0x30e/0xa40 [ 3625.308865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.308865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.308865][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.308865][ T3767] netlink_unicast+0x449/0x710 [ 3625.308865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.308865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.308865][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.308865][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.308865][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.308865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.308865][ T3767] [ 3625.311081][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3625.311081][ T3767] netdev_get_by_index+0x5e/0x80 [ 3625.311081][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3625.311081][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3625.311081][ T3767] ip6_route_add+0x1c/0x140 [ 3625.311081][ T3767] addrconf_add_mroute+0x129/0x180 [ 3625.311081][ T3767] addrconf_add_dev+0xe2/0x170 [ 3625.311081][ T3767] inet6_addr_add+0x12f/0xa40 [ 3625.311081][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.311081][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.311081][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.311081][ T3767] netlink_unicast+0x449/0x710 [ 3625.311081][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.311081][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.311081][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.311081][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.311081][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.311081][ T3767] [ 3625.313244][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3625.313244][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3625.313244][ T3767] ipv6_find_idev+0x102/0x170 [ 3625.313244][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.313244][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.313244][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.313244][ T3767] netlink_unicast+0x449/0x710 [ 3625.313244][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.313244][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.313244][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.313244][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.313244][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.313244][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.313244][ T3767] [ 3625.314945][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3625.314945][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3625.314945][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3625.314945][ T3767] ipv6_find_idev+0x102/0x170 [ 3625.314945][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.314945][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.314945][ T3767] netlink_rcv_skb+0x130/0x360 [ 3625.314945][ T3767] netlink_unicast+0x449/0x710 [ 3625.314945][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3625.314945][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3625.314945][ T3767] ___sys_sendmsg+0xee/0x170 [ 3625.314945][ T3767] __sys_sendmsg+0xcd/0x170 [ 3625.314945][ T3767] do_syscall_64+0xc6/0x1e0 [ 3625.314945][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.314945][ T3767] [ 3635.559902][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3635.560339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3635.560339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3635.560339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3635.560339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3635.560339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3635.560339][ T3767] ip6_route_add+0x1c/0x140 [ 3635.560339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3635.560339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.560339][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.560339][ T3767] netlink_unicast+0x449/0x710 [ 3635.560339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.560339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.560339][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.560339][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.560339][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.560339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3635.560339][ T3767] [ 3635.562451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3635.562451][ T3767] netdev_get_by_index+0x5e/0x80 [ 3635.562451][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3635.562451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3635.562451][ T3767] ip6_route_add+0x1c/0x140 [ 3635.562451][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3635.562451][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3635.562451][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3635.562451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.562451][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.562451][ T3767] netlink_unicast+0x449/0x710 [ 3635.562451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.562451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.562451][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.562451][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.562451][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.562451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3635.562451][ T3767] [ 3635.564679][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3635.564679][ T3767] netdev_get_by_index+0x5e/0x80 [ 3635.564679][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3635.564679][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3635.564679][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3635.564679][ T3767] ipv6_add_addr+0x411/0x2000 [ 3635.564679][ T3767] inet6_addr_add+0x30e/0xa40 [ 3635.564679][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3635.564679][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.564679][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.564679][ T3767] netlink_unicast+0x449/0x710 [ 3635.564679][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.564679][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.564679][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.564679][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.564679][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.564679][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3635.564679][ T3767] [ 3635.566905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3635.566905][ T3767] netdev_get_by_index+0x5e/0x80 [ 3635.566905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3635.566905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3635.566905][ T3767] ip6_route_add+0x1c/0x140 [ 3635.566905][ T3767] addrconf_add_mroute+0x129/0x180 [ 3635.566905][ T3767] addrconf_add_dev+0xe2/0x170 [ 3635.566905][ T3767] inet6_addr_add+0x12f/0xa40 [ 3635.566905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3635.566905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.566905][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.566905][ T3767] netlink_unicast+0x449/0x710 [ 3635.566905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.566905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.566905][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.566905][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.566905][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.566905][ T3767] [ 3635.569133][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3635.569133][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3635.569133][ T3767] ipv6_find_idev+0x102/0x170 [ 3635.569133][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3635.569133][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.569133][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.569133][ T3767] netlink_unicast+0x449/0x710 [ 3635.569133][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.569133][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.569133][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.569133][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.569133][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.569133][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3635.569133][ T3767] [ 3635.570867][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3635.570867][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3635.570867][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3635.570867][ T3767] ipv6_find_idev+0x102/0x170 [ 3635.570867][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3635.570867][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3635.570867][ T3767] netlink_rcv_skb+0x130/0x360 [ 3635.570867][ T3767] netlink_unicast+0x449/0x710 [ 3635.570867][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3635.570867][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3635.570867][ T3767] ___sys_sendmsg+0xee/0x170 [ 3635.570867][ T3767] __sys_sendmsg+0xcd/0x170 [ 3635.570867][ T3767] do_syscall_64+0xc6/0x1e0 [ 3635.570867][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3635.570867][ T3767] [ 3645.807867][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3645.808302][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3645.808302][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3645.808302][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3645.808302][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3645.808302][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3645.808302][ T3767] ip6_route_add+0x1c/0x140 [ 3645.808302][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3645.808302][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.808302][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.808302][ T3767] netlink_unicast+0x449/0x710 [ 3645.808302][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.808302][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.808302][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.808302][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.808302][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.808302][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3645.808302][ T3767] [ 3645.810459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3645.810459][ T3767] netdev_get_by_index+0x5e/0x80 [ 3645.810459][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3645.810459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3645.810459][ T3767] ip6_route_add+0x1c/0x140 [ 3645.810459][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3645.810459][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3645.810459][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3645.810459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.810459][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.810459][ T3767] netlink_unicast+0x449/0x710 [ 3645.810459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.810459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.810459][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.810459][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.810459][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.810459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3645.810459][ T3767] [ 3645.812694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3645.812694][ T3767] netdev_get_by_index+0x5e/0x80 [ 3645.812694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3645.812694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3645.812694][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3645.812694][ T3767] ipv6_add_addr+0x411/0x2000 [ 3645.812694][ T3767] inet6_addr_add+0x30e/0xa40 [ 3645.812694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3645.812694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.812694][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.812694][ T3767] netlink_unicast+0x449/0x710 [ 3645.812694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.812694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.812694][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.812694][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.812694][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.812694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3645.812694][ T3767] [ 3645.814917][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3645.814917][ T3767] netdev_get_by_index+0x5e/0x80 [ 3645.814917][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3645.814917][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3645.814917][ T3767] ip6_route_add+0x1c/0x140 [ 3645.814917][ T3767] addrconf_add_mroute+0x129/0x180 [ 3645.814917][ T3767] addrconf_add_dev+0xe2/0x170 [ 3645.814917][ T3767] inet6_addr_add+0x12f/0xa40 [ 3645.814917][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3645.814917][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.814917][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.814917][ T3767] netlink_unicast+0x449/0x710 [ 3645.814917][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.814917][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.814917][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.814917][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.814917][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.814917][ T3767] [ 3645.817099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3645.817099][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3645.817099][ T3767] ipv6_find_idev+0x102/0x170 [ 3645.817099][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3645.817099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.817099][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.817099][ T3767] netlink_unicast+0x449/0x710 [ 3645.817099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.817099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.817099][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.817099][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.817099][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.817099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3645.817099][ T3767] [ 3645.818822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3645.818822][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3645.818822][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3645.818822][ T3767] ipv6_find_idev+0x102/0x170 [ 3645.818822][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3645.818822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3645.818822][ T3767] netlink_rcv_skb+0x130/0x360 [ 3645.818822][ T3767] netlink_unicast+0x449/0x710 [ 3645.818822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3645.818822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3645.818822][ T3767] ___sys_sendmsg+0xee/0x170 [ 3645.818822][ T3767] __sys_sendmsg+0xcd/0x170 [ 3645.818822][ T3767] do_syscall_64+0xc6/0x1e0 [ 3645.818822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3645.818822][ T3767] [ 3656.055931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3656.056413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3656.056413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3656.056413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3656.056413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3656.056413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3656.056413][ T3767] ip6_route_add+0x1c/0x140 [ 3656.056413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3656.056413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.056413][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.056413][ T3767] netlink_unicast+0x449/0x710 [ 3656.056413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.056413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.056413][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.056413][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.056413][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.056413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.056413][ T3767] [ 3656.058568][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3656.058568][ T3767] netdev_get_by_index+0x5e/0x80 [ 3656.058568][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3656.058568][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3656.058568][ T3767] ip6_route_add+0x1c/0x140 [ 3656.058568][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3656.058568][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3656.058568][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.058568][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.058568][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.058568][ T3767] netlink_unicast+0x449/0x710 [ 3656.058568][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.058568][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.058568][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.058568][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.058568][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.058568][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.058568][ T3767] [ 3656.060823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3656.060823][ T3767] netdev_get_by_index+0x5e/0x80 [ 3656.060823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3656.060823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3656.060823][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3656.060823][ T3767] ipv6_add_addr+0x411/0x2000 [ 3656.060823][ T3767] inet6_addr_add+0x30e/0xa40 [ 3656.060823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.060823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.060823][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.060823][ T3767] netlink_unicast+0x449/0x710 [ 3656.060823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.060823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.060823][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.060823][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.060823][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.060823][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.060823][ T3767] [ 3656.063048][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3656.063048][ T3767] netdev_get_by_index+0x5e/0x80 [ 3656.063048][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3656.063048][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3656.063048][ T3767] ip6_route_add+0x1c/0x140 [ 3656.063048][ T3767] addrconf_add_mroute+0x129/0x180 [ 3656.063048][ T3767] addrconf_add_dev+0xe2/0x170 [ 3656.063048][ T3767] inet6_addr_add+0x12f/0xa40 [ 3656.063048][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3656.063048][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.063048][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.063048][ T3767] netlink_unicast+0x449/0x710 [ 3656.063048][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.063048][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.063048][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.063048][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.063048][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.063048][ T3767] [ 3656.065221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3656.065221][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3656.065221][ T3767] ipv6_find_idev+0x102/0x170 [ 3656.065221][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3656.065221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.065221][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.065221][ T3767] netlink_unicast+0x449/0x710 [ 3656.065221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.065221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.065221][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.065221][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.065221][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.065221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.065221][ T3767] [ 3656.066928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3656.066928][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3656.066928][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3656.066928][ T3767] ipv6_find_idev+0x102/0x170 [ 3656.066928][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3656.066928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3656.066928][ T3767] netlink_rcv_skb+0x130/0x360 [ 3656.066928][ T3767] netlink_unicast+0x449/0x710 [ 3656.066928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3656.066928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3656.066928][ T3767] ___sys_sendmsg+0xee/0x170 [ 3656.066928][ T3767] __sys_sendmsg+0xcd/0x170 [ 3656.066928][ T3767] do_syscall_64+0xc6/0x1e0 [ 3656.066928][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3656.066928][ T3767] [ 3666.303926][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3666.304427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3666.304427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3666.304427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3666.304427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3666.304427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3666.304427][ T3767] ip6_route_add+0x1c/0x140 [ 3666.304427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3666.304427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.304427][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.304427][ T3767] netlink_unicast+0x449/0x710 [ 3666.304427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.304427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.304427][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.304427][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.304427][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.304427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.304427][ T3767] [ 3666.306514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3666.306514][ T3767] netdev_get_by_index+0x5e/0x80 [ 3666.306514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3666.306514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3666.306514][ T3767] ip6_route_add+0x1c/0x140 [ 3666.306514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3666.306514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3666.306514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.306514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.306514][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.306514][ T3767] netlink_unicast+0x449/0x710 [ 3666.306514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.306514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.306514][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.306514][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.306514][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.306514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.306514][ T3767] [ 3666.308723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3666.308723][ T3767] netdev_get_by_index+0x5e/0x80 [ 3666.308723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3666.308723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3666.308723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3666.308723][ T3767] ipv6_add_addr+0x411/0x2000 [ 3666.308723][ T3767] inet6_addr_add+0x30e/0xa40 [ 3666.308723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.308723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.308723][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.308723][ T3767] netlink_unicast+0x449/0x710 [ 3666.308723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.308723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.308723][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.308723][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.308723][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.308723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.308723][ T3767] [ 3666.310947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3666.310947][ T3767] netdev_get_by_index+0x5e/0x80 [ 3666.310947][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3666.310947][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3666.310947][ T3767] ip6_route_add+0x1c/0x140 [ 3666.310947][ T3767] addrconf_add_mroute+0x129/0x180 [ 3666.310947][ T3767] addrconf_add_dev+0xe2/0x170 [ 3666.310947][ T3767] inet6_addr_add+0x12f/0xa40 [ 3666.310947][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3666.310947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.310947][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.310947][ T3767] netlink_unicast+0x449/0x710 [ 3666.310947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.310947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.310947][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.310947][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.310947][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.310947][ T3767] [ 3666.313109][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3666.313109][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3666.313109][ T3767] ipv6_find_idev+0x102/0x170 [ 3666.313109][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3666.313109][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.313109][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.313109][ T3767] netlink_unicast+0x449/0x710 [ 3666.313109][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.313109][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.313109][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.313109][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.313109][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.313109][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.313109][ T3767] [ 3666.314800][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3666.314800][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3666.314800][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3666.314800][ T3767] ipv6_find_idev+0x102/0x170 [ 3666.314800][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3666.314800][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3666.314800][ T3767] netlink_rcv_skb+0x130/0x360 [ 3666.314800][ T3767] netlink_unicast+0x449/0x710 [ 3666.314800][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3666.314800][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3666.314800][ T3767] ___sys_sendmsg+0xee/0x170 [ 3666.314800][ T3767] __sys_sendmsg+0xcd/0x170 [ 3666.314800][ T3767] do_syscall_64+0xc6/0x1e0 [ 3666.314800][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3666.314800][ T3767] [ 3676.551890][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3676.552367][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3676.552367][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3676.552367][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3676.552367][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3676.552367][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3676.552367][ T3767] ip6_route_add+0x1c/0x140 [ 3676.552367][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3676.552367][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.552367][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.552367][ T3767] netlink_unicast+0x449/0x710 [ 3676.552367][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.552367][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.552367][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.552367][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.552367][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.552367][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3676.552367][ T3767] [ 3676.554453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3676.554453][ T3767] netdev_get_by_index+0x5e/0x80 [ 3676.554453][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3676.554453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3676.554453][ T3767] ip6_route_add+0x1c/0x140 [ 3676.554453][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3676.554453][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3676.554453][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3676.554453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.554453][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.554453][ T3767] netlink_unicast+0x449/0x710 [ 3676.554453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.554453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.554453][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.554453][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.554453][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.554453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3676.554453][ T3767] [ 3676.556784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3676.556784][ T3767] netdev_get_by_index+0x5e/0x80 [ 3676.556784][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3676.556784][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3676.556784][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3676.556784][ T3767] ipv6_add_addr+0x411/0x2000 [ 3676.556784][ T3767] inet6_addr_add+0x30e/0xa40 [ 3676.556784][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3676.556784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.556784][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.556784][ T3767] netlink_unicast+0x449/0x710 [ 3676.556784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.556784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.556784][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.556784][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.556784][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.556784][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3676.556784][ T3767] [ 3676.558975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3676.558975][ T3767] netdev_get_by_index+0x5e/0x80 [ 3676.558975][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3676.558975][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3676.558975][ T3767] ip6_route_add+0x1c/0x140 [ 3676.558975][ T3767] addrconf_add_mroute+0x129/0x180 [ 3676.558975][ T3767] addrconf_add_dev+0xe2/0x170 [ 3676.558975][ T3767] inet6_addr_add+0x12f/0xa40 [ 3676.558975][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3676.558975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.558975][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.558975][ T3767] netlink_unicast+0x449/0x710 [ 3676.558975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.558975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.558975][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.558975][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.558975][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.558975][ T3767] [ 3676.561154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3676.561154][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3676.561154][ T3767] ipv6_find_idev+0x102/0x170 [ 3676.561154][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3676.561154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.561154][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.561154][ T3767] netlink_unicast+0x449/0x710 [ 3676.561154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.561154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.561154][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.561154][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.561154][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.561154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3676.561154][ T3767] [ 3676.562855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3676.562855][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3676.562855][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3676.562855][ T3767] ipv6_find_idev+0x102/0x170 [ 3676.562855][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3676.562855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3676.562855][ T3767] netlink_rcv_skb+0x130/0x360 [ 3676.562855][ T3767] netlink_unicast+0x449/0x710 [ 3676.562855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3676.562855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3676.562855][ T3767] ___sys_sendmsg+0xee/0x170 [ 3676.562855][ T3767] __sys_sendmsg+0xcd/0x170 [ 3676.562855][ T3767] do_syscall_64+0xc6/0x1e0 [ 3676.562855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3676.562855][ T3767] [ 3686.607972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3686.608398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3686.608398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3686.608398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3686.608398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3686.608398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3686.608398][ T3767] ip6_route_add+0x1c/0x140 [ 3686.608398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3686.608398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.608398][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.608398][ T3767] netlink_unicast+0x449/0x710 [ 3686.608398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.608398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.608398][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.608398][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.608398][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.608398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3686.608398][ T3767] [ 3686.610490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3686.610490][ T3767] netdev_get_by_index+0x5e/0x80 [ 3686.610490][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3686.610490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3686.610490][ T3767] ip6_route_add+0x1c/0x140 [ 3686.610490][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3686.610490][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3686.610490][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3686.610490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.610490][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.610490][ T3767] netlink_unicast+0x449/0x710 [ 3686.610490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.610490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.610490][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.610490][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.610490][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.610490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3686.610490][ T3767] [ 3686.612714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3686.612714][ T3767] netdev_get_by_index+0x5e/0x80 [ 3686.612714][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3686.612714][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3686.612714][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3686.612714][ T3767] ipv6_add_addr+0x411/0x2000 [ 3686.612714][ T3767] inet6_addr_add+0x30e/0xa40 [ 3686.612714][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3686.612714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.612714][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.612714][ T3767] netlink_unicast+0x449/0x710 [ 3686.612714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.612714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.612714][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.612714][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.612714][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.612714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3686.612714][ T3767] [ 3686.614905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3686.614905][ T3767] netdev_get_by_index+0x5e/0x80 [ 3686.614905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3686.614905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3686.614905][ T3767] ip6_route_add+0x1c/0x140 [ 3686.614905][ T3767] addrconf_add_mroute+0x129/0x180 [ 3686.614905][ T3767] addrconf_add_dev+0xe2/0x170 [ 3686.614905][ T3767] inet6_addr_add+0x12f/0xa40 [ 3686.614905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3686.614905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.614905][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.614905][ T3767] netlink_unicast+0x449/0x710 [ 3686.614905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.614905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.614905][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.614905][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.614905][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.614905][ T3767] [ 3686.617050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3686.617050][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3686.617050][ T3767] ipv6_find_idev+0x102/0x170 [ 3686.617050][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3686.617050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.617050][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.617050][ T3767] netlink_unicast+0x449/0x710 [ 3686.617050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.617050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.617050][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.617050][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.617050][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.617050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3686.617050][ T3767] [ 3686.618740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3686.618740][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3686.618740][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3686.618740][ T3767] ipv6_find_idev+0x102/0x170 [ 3686.618740][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3686.618740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3686.618740][ T3767] netlink_rcv_skb+0x130/0x360 [ 3686.618740][ T3767] netlink_unicast+0x449/0x710 [ 3686.618740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3686.618740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3686.618740][ T3767] ___sys_sendmsg+0xee/0x170 [ 3686.618740][ T3767] __sys_sendmsg+0xcd/0x170 [ 3686.618740][ T3767] do_syscall_64+0xc6/0x1e0 [ 3686.618740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3686.618740][ T3767] [ 3696.855886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3696.856451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3696.856451][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3696.856451][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3696.856451][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3696.856451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3696.856451][ T3767] ip6_route_add+0x1c/0x140 [ 3696.856451][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3696.856451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.856451][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.856451][ T3767] netlink_unicast+0x449/0x710 [ 3696.856451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.856451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.856451][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.856451][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.856451][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.856451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3696.856451][ T3767] [ 3696.858778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3696.858778][ T3767] netdev_get_by_index+0x5e/0x80 [ 3696.858778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3696.858778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3696.858778][ T3767] ip6_route_add+0x1c/0x140 [ 3696.858778][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3696.858778][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3696.858778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3696.858778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.858778][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.858778][ T3767] netlink_unicast+0x449/0x710 [ 3696.858778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.858778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.858778][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.858778][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.858778][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.858778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3696.858778][ T3767] [ 3696.861255][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3696.861255][ T3767] netdev_get_by_index+0x5e/0x80 [ 3696.861255][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3696.861255][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3696.861255][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3696.861255][ T3767] ipv6_add_addr+0x411/0x2000 [ 3696.861255][ T3767] inet6_addr_add+0x30e/0xa40 [ 3696.861255][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3696.861255][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.861255][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.861255][ T3767] netlink_unicast+0x449/0x710 [ 3696.861255][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.861255][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.861255][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.861255][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.861255][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.861255][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3696.861255][ T3767] [ 3696.863748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3696.863748][ T3767] netdev_get_by_index+0x5e/0x80 [ 3696.863748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3696.863748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3696.863748][ T3767] ip6_route_add+0x1c/0x140 [ 3696.863748][ T3767] addrconf_add_mroute+0x129/0x180 [ 3696.863748][ T3767] addrconf_add_dev+0xe2/0x170 [ 3696.863748][ T3767] inet6_addr_add+0x12f/0xa40 [ 3696.863748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3696.863748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.863748][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.863748][ T3767] netlink_unicast+0x449/0x710 [ 3696.863748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.863748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.863748][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.863748][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.863748][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.863748][ T3767] [ 3696.866179][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3696.866179][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3696.866179][ T3767] ipv6_find_idev+0x102/0x170 [ 3696.866179][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3696.866179][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.866179][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.866179][ T3767] netlink_unicast+0x449/0x710 [ 3696.866179][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.866179][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.866179][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.866179][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.866179][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.866179][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3696.866179][ T3767] [ 3696.868075][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3696.868075][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3696.868075][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3696.868075][ T3767] ipv6_find_idev+0x102/0x170 [ 3696.868075][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3696.868075][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3696.868075][ T3767] netlink_rcv_skb+0x130/0x360 [ 3696.868075][ T3767] netlink_unicast+0x449/0x710 [ 3696.868075][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3696.868075][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3696.868075][ T3767] ___sys_sendmsg+0xee/0x170 [ 3696.868075][ T3767] __sys_sendmsg+0xcd/0x170 [ 3696.868075][ T3767] do_syscall_64+0xc6/0x1e0 [ 3696.868075][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3696.868075][ T3767] [ 3706.991960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3706.992440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3706.992440][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3706.992440][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3706.992440][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3706.992440][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3706.992440][ T3767] ip6_route_add+0x1c/0x140 [ 3706.992440][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3706.992440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3706.992440][ T3767] netlink_rcv_skb+0x130/0x360 [ 3706.992440][ T3767] netlink_unicast+0x449/0x710 [ 3706.992440][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3706.992440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3706.992440][ T3767] ___sys_sendmsg+0xee/0x170 [ 3706.992440][ T3767] __sys_sendmsg+0xcd/0x170 [ 3706.992440][ T3767] do_syscall_64+0xc6/0x1e0 [ 3706.992440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3706.992440][ T3767] [ 3706.994801][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3706.994801][ T3767] netdev_get_by_index+0x5e/0x80 [ 3706.994801][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3706.994801][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3706.994801][ T3767] ip6_route_add+0x1c/0x140 [ 3706.994801][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3706.994801][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3706.994801][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3706.994801][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3706.994801][ T3767] netlink_rcv_skb+0x130/0x360 [ 3706.994801][ T3767] netlink_unicast+0x449/0x710 [ 3706.994801][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3706.994801][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3706.994801][ T3767] ___sys_sendmsg+0xee/0x170 [ 3706.994801][ T3767] __sys_sendmsg+0xcd/0x170 [ 3706.994801][ T3767] do_syscall_64+0xc6/0x1e0 [ 3706.994801][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3706.994801][ T3767] [ 3706.997362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3706.997362][ T3767] netdev_get_by_index+0x5e/0x80 [ 3706.997362][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3706.997362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3706.997362][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3706.997362][ T3767] ipv6_add_addr+0x411/0x2000 [ 3706.997362][ T3767] inet6_addr_add+0x30e/0xa40 [ 3706.997362][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3706.997362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3706.997362][ T3767] netlink_rcv_skb+0x130/0x360 [ 3706.997362][ T3767] netlink_unicast+0x449/0x710 [ 3706.997362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3706.997362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3706.997362][ T3767] ___sys_sendmsg+0xee/0x170 [ 3706.997362][ T3767] __sys_sendmsg+0xcd/0x170 [ 3706.997362][ T3767] do_syscall_64+0xc6/0x1e0 [ 3706.997362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3706.997362][ T3767] [ 3706.999878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3706.999878][ T3767] netdev_get_by_index+0x5e/0x80 [ 3706.999878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3706.999878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3706.999878][ T3767] ip6_route_add+0x1c/0x140 [ 3706.999878][ T3767] addrconf_add_mroute+0x129/0x180 [ 3706.999878][ T3767] addrconf_add_dev+0xe2/0x170 [ 3706.999878][ T3767] inet6_addr_add+0x12f/0xa40 [ 3706.999878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3706.999878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3706.999878][ T3767] netlink_rcv_skb+0x130/0x360 [ 3706.999878][ T3767] netlink_unicast+0x449/0x710 [ 3706.999878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3706.999878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3706.999878][ T3767] ___sys_sendmsg+0xee/0x170 [ 3706.999878][ T3767] __sys_sendmsg+0xcd/0x170 [ 3706.999878][ T3767] do_syscall_64+0xc6/0x1e0 [ 3706.999878][ T3767] [ 3707.002352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3707.002352][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3707.002352][ T3767] ipv6_find_idev+0x102/0x170 [ 3707.002352][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3707.002352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.002352][ T3767] netlink_rcv_skb+0x130/0x360 [ 3707.002352][ T3767] netlink_unicast+0x449/0x710 [ 3707.002352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3707.002352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3707.002352][ T3767] ___sys_sendmsg+0xee/0x170 [ 3707.002352][ T3767] __sys_sendmsg+0xcd/0x170 [ 3707.002352][ T3767] do_syscall_64+0xc6/0x1e0 [ 3707.002352][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.002352][ T3767] [ 3707.004282][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3707.004282][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3707.004282][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3707.004282][ T3767] ipv6_find_idev+0x102/0x170 [ 3707.004282][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3707.004282][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3707.004282][ T3767] netlink_rcv_skb+0x130/0x360 [ 3707.004282][ T3767] netlink_unicast+0x449/0x710 [ 3707.004282][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3707.004282][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3707.004282][ T3767] ___sys_sendmsg+0xee/0x170 [ 3707.004282][ T3767] __sys_sendmsg+0xcd/0x170 [ 3707.004282][ T3767] do_syscall_64+0xc6/0x1e0 [ 3707.004282][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3707.004282][ T3767] [ 3717.247955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3717.248427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3717.248427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3717.248427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3717.248427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3717.248427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3717.248427][ T3767] ip6_route_add+0x1c/0x140 [ 3717.248427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3717.248427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.248427][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.248427][ T3767] netlink_unicast+0x449/0x710 [ 3717.248427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.248427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.248427][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.248427][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.248427][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.248427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3717.248427][ T3767] [ 3717.250876][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3717.250876][ T3767] netdev_get_by_index+0x5e/0x80 [ 3717.250876][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3717.250876][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3717.250876][ T3767] ip6_route_add+0x1c/0x140 [ 3717.250876][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3717.250876][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3717.250876][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3717.250876][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.250876][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.250876][ T3767] netlink_unicast+0x449/0x710 [ 3717.250876][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.250876][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.250876][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.250876][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.250876][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.250876][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3717.250876][ T3767] [ 3717.253346][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3717.253346][ T3767] netdev_get_by_index+0x5e/0x80 [ 3717.253346][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3717.253346][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3717.253346][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3717.253346][ T3767] ipv6_add_addr+0x411/0x2000 [ 3717.253346][ T3767] inet6_addr_add+0x30e/0xa40 [ 3717.253346][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3717.253346][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.253346][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.253346][ T3767] netlink_unicast+0x449/0x710 [ 3717.253346][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.253346][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.253346][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.253346][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.253346][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.253346][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3717.253346][ T3767] [ 3717.255825][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3717.255825][ T3767] netdev_get_by_index+0x5e/0x80 [ 3717.255825][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3717.255825][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3717.255825][ T3767] ip6_route_add+0x1c/0x140 [ 3717.255825][ T3767] addrconf_add_mroute+0x129/0x180 [ 3717.255825][ T3767] addrconf_add_dev+0xe2/0x170 [ 3717.255825][ T3767] inet6_addr_add+0x12f/0xa40 [ 3717.255825][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3717.255825][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.255825][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.255825][ T3767] netlink_unicast+0x449/0x710 [ 3717.255825][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.255825][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.255825][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.255825][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.255825][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.255825][ T3767] [ 3717.258271][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3717.258271][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3717.258271][ T3767] ipv6_find_idev+0x102/0x170 [ 3717.258271][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3717.258271][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.258271][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.258271][ T3767] netlink_unicast+0x449/0x710 [ 3717.258271][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.258271][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.258271][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.258271][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.258271][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.258271][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3717.258271][ T3767] [ 3717.260173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3717.260173][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3717.260173][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3717.260173][ T3767] ipv6_find_idev+0x102/0x170 [ 3717.260173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3717.260173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3717.260173][ T3767] netlink_rcv_skb+0x130/0x360 [ 3717.260173][ T3767] netlink_unicast+0x449/0x710 [ 3717.260173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3717.260173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3717.260173][ T3767] ___sys_sendmsg+0xee/0x170 [ 3717.260173][ T3767] __sys_sendmsg+0xcd/0x170 [ 3717.260173][ T3767] do_syscall_64+0xc6/0x1e0 [ 3717.260173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3717.260173][ T3767] [ 3727.503918][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3727.504465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3727.504465][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3727.504465][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3727.504465][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3727.504465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3727.504465][ T3767] ip6_route_add+0x1c/0x140 [ 3727.504465][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3727.504465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.504465][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.504465][ T3767] netlink_unicast+0x449/0x710 [ 3727.504465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.504465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.504465][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.504465][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.504465][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.504465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3727.504465][ T3767] [ 3727.506801][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3727.506801][ T3767] netdev_get_by_index+0x5e/0x80 [ 3727.506801][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3727.506801][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3727.506801][ T3767] ip6_route_add+0x1c/0x140 [ 3727.506801][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3727.506801][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3727.506801][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3727.506801][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.506801][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.506801][ T3767] netlink_unicast+0x449/0x710 [ 3727.506801][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.506801][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.506801][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.506801][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.506801][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.506801][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3727.506801][ T3767] [ 3727.509298][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3727.509298][ T3767] netdev_get_by_index+0x5e/0x80 [ 3727.509298][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3727.509298][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3727.509298][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3727.509298][ T3767] ipv6_add_addr+0x411/0x2000 [ 3727.509298][ T3767] inet6_addr_add+0x30e/0xa40 [ 3727.509298][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3727.509298][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.509298][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.509298][ T3767] netlink_unicast+0x449/0x710 [ 3727.509298][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.509298][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.509298][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.509298][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.509298][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.509298][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3727.509298][ T3767] [ 3727.511797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3727.511797][ T3767] netdev_get_by_index+0x5e/0x80 [ 3727.511797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3727.511797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3727.511797][ T3767] ip6_route_add+0x1c/0x140 [ 3727.511797][ T3767] addrconf_add_mroute+0x129/0x180 [ 3727.511797][ T3767] addrconf_add_dev+0xe2/0x170 [ 3727.511797][ T3767] inet6_addr_add+0x12f/0xa40 [ 3727.511797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3727.511797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.511797][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.511797][ T3767] netlink_unicast+0x449/0x710 [ 3727.511797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.511797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.511797][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.511797][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.511797][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.511797][ T3767] [ 3727.514234][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3727.514234][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3727.514234][ T3767] ipv6_find_idev+0x102/0x170 [ 3727.514234][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3727.514234][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.514234][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.514234][ T3767] netlink_unicast+0x449/0x710 [ 3727.514234][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.514234][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.514234][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.514234][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.514234][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.514234][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3727.514234][ T3767] [ 3727.516123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3727.516123][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3727.516123][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3727.516123][ T3767] ipv6_find_idev+0x102/0x170 [ 3727.516123][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3727.516123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3727.516123][ T3767] netlink_rcv_skb+0x130/0x360 [ 3727.516123][ T3767] netlink_unicast+0x449/0x710 [ 3727.516123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3727.516123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3727.516123][ T3767] ___sys_sendmsg+0xee/0x170 [ 3727.516123][ T3767] __sys_sendmsg+0xcd/0x170 [ 3727.516123][ T3767] do_syscall_64+0xc6/0x1e0 [ 3727.516123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3727.516123][ T3767] [ 3737.639872][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3737.640414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3737.640414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3737.640414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3737.640414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3737.640414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3737.640414][ T3767] ip6_route_add+0x1c/0x140 [ 3737.640414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3737.640414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.640414][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.640414][ T3767] netlink_unicast+0x449/0x710 [ 3737.640414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.640414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.640414][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.640414][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.640414][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.640414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3737.640414][ T3767] [ 3737.642768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3737.642768][ T3767] netdev_get_by_index+0x5e/0x80 [ 3737.642768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3737.642768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3737.642768][ T3767] ip6_route_add+0x1c/0x140 [ 3737.642768][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3737.642768][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3737.642768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3737.642768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.642768][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.642768][ T3767] netlink_unicast+0x449/0x710 [ 3737.642768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.642768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.642768][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.642768][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.642768][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.642768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3737.642768][ T3767] [ 3737.645263][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3737.645263][ T3767] netdev_get_by_index+0x5e/0x80 [ 3737.645263][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3737.645263][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3737.645263][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3737.645263][ T3767] ipv6_add_addr+0x411/0x2000 [ 3737.645263][ T3767] inet6_addr_add+0x30e/0xa40 [ 3737.645263][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3737.645263][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.645263][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.645263][ T3767] netlink_unicast+0x449/0x710 [ 3737.645263][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.645263][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.645263][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.645263][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.645263][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.645263][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3737.645263][ T3767] [ 3737.647760][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3737.647760][ T3767] netdev_get_by_index+0x5e/0x80 [ 3737.647760][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3737.647760][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3737.647760][ T3767] ip6_route_add+0x1c/0x140 [ 3737.647760][ T3767] addrconf_add_mroute+0x129/0x180 [ 3737.647760][ T3767] addrconf_add_dev+0xe2/0x170 [ 3737.647760][ T3767] inet6_addr_add+0x12f/0xa40 [ 3737.647760][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3737.647760][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.647760][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.647760][ T3767] netlink_unicast+0x449/0x710 [ 3737.647760][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.647760][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.647760][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.647760][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.647760][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.647760][ T3767] [ 3737.650198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3737.650198][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3737.650198][ T3767] ipv6_find_idev+0x102/0x170 [ 3737.650198][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3737.650198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.650198][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.650198][ T3767] netlink_unicast+0x449/0x710 [ 3737.650198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.650198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.650198][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.650198][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.650198][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.650198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3737.650198][ T3767] [ 3737.652103][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3737.652103][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3737.652103][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3737.652103][ T3767] ipv6_find_idev+0x102/0x170 [ 3737.652103][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3737.652103][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3737.652103][ T3767] netlink_rcv_skb+0x130/0x360 [ 3737.652103][ T3767] netlink_unicast+0x449/0x710 [ 3737.652103][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3737.652103][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3737.652103][ T3767] ___sys_sendmsg+0xee/0x170 [ 3737.652103][ T3767] __sys_sendmsg+0xcd/0x170 [ 3737.652103][ T3767] do_syscall_64+0xc6/0x1e0 [ 3737.652103][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3737.652103][ T3767] [ 3747.903965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3747.904511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3747.904511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3747.904511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3747.904511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3747.904511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3747.904511][ T3767] ip6_route_add+0x1c/0x140 [ 3747.904511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3747.904511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.904511][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.904511][ T3767] netlink_unicast+0x449/0x710 [ 3747.904511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.904511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.904511][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.904511][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.904511][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.904511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3747.904511][ T3767] [ 3747.906888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3747.906888][ T3767] netdev_get_by_index+0x5e/0x80 [ 3747.906888][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3747.906888][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3747.906888][ T3767] ip6_route_add+0x1c/0x140 [ 3747.906888][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3747.906888][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3747.906888][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3747.906888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.906888][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.906888][ T3767] netlink_unicast+0x449/0x710 [ 3747.906888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.906888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.906888][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.906888][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.906888][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.906888][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3747.906888][ T3767] [ 3747.909361][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3747.909361][ T3767] netdev_get_by_index+0x5e/0x80 [ 3747.909361][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3747.909361][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3747.909361][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3747.909361][ T3767] ipv6_add_addr+0x411/0x2000 [ 3747.909361][ T3767] inet6_addr_add+0x30e/0xa40 [ 3747.909361][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3747.909361][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.909361][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.909361][ T3767] netlink_unicast+0x449/0x710 [ 3747.909361][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.909361][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.909361][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.909361][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.909361][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.909361][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3747.909361][ T3767] [ 3747.911814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3747.911814][ T3767] netdev_get_by_index+0x5e/0x80 [ 3747.911814][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3747.911814][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3747.911814][ T3767] ip6_route_add+0x1c/0x140 [ 3747.911814][ T3767] addrconf_add_mroute+0x129/0x180 [ 3747.911814][ T3767] addrconf_add_dev+0xe2/0x170 [ 3747.911814][ T3767] inet6_addr_add+0x12f/0xa40 [ 3747.911814][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3747.911814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.911814][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.911814][ T3767] netlink_unicast+0x449/0x710 [ 3747.911814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.911814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.911814][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.911814][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.911814][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.911814][ T3767] [ 3747.914339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3747.914339][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3747.914339][ T3767] ipv6_find_idev+0x102/0x170 [ 3747.914339][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3747.914339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.914339][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.914339][ T3767] netlink_unicast+0x449/0x710 [ 3747.914339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.914339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.914339][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.914339][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.914339][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.914339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3747.914339][ T3767] [ 3747.916250][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3747.916250][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3747.916250][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3747.916250][ T3767] ipv6_find_idev+0x102/0x170 [ 3747.916250][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3747.916250][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3747.916250][ T3767] netlink_rcv_skb+0x130/0x360 [ 3747.916250][ T3767] netlink_unicast+0x449/0x710 [ 3747.916250][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3747.916250][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3747.916250][ T3767] ___sys_sendmsg+0xee/0x170 [ 3747.916250][ T3767] __sys_sendmsg+0xcd/0x170 [ 3747.916250][ T3767] do_syscall_64+0xc6/0x1e0 [ 3747.916250][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3747.916250][ T3767] [ 3758.167896][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3758.168442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3758.168442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3758.168442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3758.168442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3758.168442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3758.168442][ T3767] ip6_route_add+0x1c/0x140 [ 3758.168442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3758.168442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.168442][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.168442][ T3767] netlink_unicast+0x449/0x710 [ 3758.168442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.168442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.168442][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.168442][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.168442][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.168442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3758.168442][ T3767] [ 3758.170823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3758.170823][ T3767] netdev_get_by_index+0x5e/0x80 [ 3758.170823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3758.170823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3758.170823][ T3767] ip6_route_add+0x1c/0x140 [ 3758.170823][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3758.170823][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3758.170823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3758.170823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.170823][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.170823][ T3767] netlink_unicast+0x449/0x710 [ 3758.170823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.170823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.170823][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.170823][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.170823][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.170823][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3758.170823][ T3767] [ 3758.173333][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3758.173333][ T3767] netdev_get_by_index+0x5e/0x80 [ 3758.173333][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3758.173333][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3758.173333][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3758.173333][ T3767] ipv6_add_addr+0x411/0x2000 [ 3758.173333][ T3767] inet6_addr_add+0x30e/0xa40 [ 3758.173333][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3758.173333][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.173333][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.173333][ T3767] netlink_unicast+0x449/0x710 [ 3758.173333][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.173333][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.173333][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.173333][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.173333][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.173333][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3758.173333][ T3767] [ 3758.175829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3758.175829][ T3767] netdev_get_by_index+0x5e/0x80 [ 3758.175829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3758.175829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3758.175829][ T3767] ip6_route_add+0x1c/0x140 [ 3758.175829][ T3767] addrconf_add_mroute+0x129/0x180 [ 3758.175829][ T3767] addrconf_add_dev+0xe2/0x170 [ 3758.175829][ T3767] inet6_addr_add+0x12f/0xa40 [ 3758.175829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3758.175829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.175829][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.175829][ T3767] netlink_unicast+0x449/0x710 [ 3758.175829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.175829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.175829][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.175829][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.175829][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.175829][ T3767] [ 3758.178247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3758.178247][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3758.178247][ T3767] ipv6_find_idev+0x102/0x170 [ 3758.178247][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3758.178247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.178247][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.178247][ T3767] netlink_unicast+0x449/0x710 [ 3758.178247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.178247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.178247][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.178247][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.178247][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.178247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3758.178247][ T3767] [ 3758.180173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3758.180173][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3758.180173][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3758.180173][ T3767] ipv6_find_idev+0x102/0x170 [ 3758.180173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3758.180173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3758.180173][ T3767] netlink_rcv_skb+0x130/0x360 [ 3758.180173][ T3767] netlink_unicast+0x449/0x710 [ 3758.180173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3758.180173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3758.180173][ T3767] ___sys_sendmsg+0xee/0x170 [ 3758.180173][ T3767] __sys_sendmsg+0xcd/0x170 [ 3758.180173][ T3767] do_syscall_64+0xc6/0x1e0 [ 3758.180173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3758.180173][ T3767] [ 3768.207923][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3768.208392][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3768.208392][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3768.208392][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3768.208392][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3768.208392][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3768.208392][ T3767] ip6_route_add+0x1c/0x140 [ 3768.208392][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3768.208392][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.208392][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.208392][ T3767] netlink_unicast+0x449/0x710 [ 3768.208392][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.208392][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.208392][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.208392][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.208392][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.208392][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3768.208392][ T3767] [ 3768.210529][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3768.210529][ T3767] netdev_get_by_index+0x5e/0x80 [ 3768.210529][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3768.210529][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3768.210529][ T3767] ip6_route_add+0x1c/0x140 [ 3768.210529][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3768.210529][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3768.210529][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3768.210529][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.210529][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.210529][ T3767] netlink_unicast+0x449/0x710 [ 3768.210529][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.210529][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.210529][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.210529][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.210529][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.210529][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3768.210529][ T3767] [ 3768.212748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3768.212748][ T3767] netdev_get_by_index+0x5e/0x80 [ 3768.212748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3768.212748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3768.212748][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3768.212748][ T3767] ipv6_add_addr+0x411/0x2000 [ 3768.212748][ T3767] inet6_addr_add+0x30e/0xa40 [ 3768.212748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3768.212748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.212748][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.212748][ T3767] netlink_unicast+0x449/0x710 [ 3768.212748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.212748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.212748][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.212748][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.212748][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.212748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3768.212748][ T3767] [ 3768.214968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3768.214968][ T3767] netdev_get_by_index+0x5e/0x80 [ 3768.214968][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3768.214968][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3768.214968][ T3767] ip6_route_add+0x1c/0x140 [ 3768.214968][ T3767] addrconf_add_mroute+0x129/0x180 [ 3768.214968][ T3767] addrconf_add_dev+0xe2/0x170 [ 3768.214968][ T3767] inet6_addr_add+0x12f/0xa40 [ 3768.214968][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3768.214968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.214968][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.214968][ T3767] netlink_unicast+0x449/0x710 [ 3768.214968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.214968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.214968][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.214968][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.214968][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.214968][ T3767] [ 3768.217135][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3768.217135][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3768.217135][ T3767] ipv6_find_idev+0x102/0x170 [ 3768.217135][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3768.217135][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.217135][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.217135][ T3767] netlink_unicast+0x449/0x710 [ 3768.217135][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.217135][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.217135][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.217135][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.217135][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.217135][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3768.217135][ T3767] [ 3768.218865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3768.218865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3768.218865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3768.218865][ T3767] ipv6_find_idev+0x102/0x170 [ 3768.218865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3768.218865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3768.218865][ T3767] netlink_rcv_skb+0x130/0x360 [ 3768.218865][ T3767] netlink_unicast+0x449/0x710 [ 3768.218865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3768.218865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3768.218865][ T3767] ___sys_sendmsg+0xee/0x170 [ 3768.218865][ T3767] __sys_sendmsg+0xcd/0x170 [ 3768.218865][ T3767] do_syscall_64+0xc6/0x1e0 [ 3768.218865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3768.218865][ T3767] [ 3778.840029][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3778.840531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3778.840531][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3778.840531][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3778.840531][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3778.840531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3778.840531][ T3767] ip6_route_add+0x1c/0x140 [ 3778.840531][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3778.840531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.840531][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.840531][ T3767] netlink_unicast+0x449/0x710 [ 3778.840531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.840531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.840531][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.840531][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.840531][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.840531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3778.840531][ T3767] [ 3778.842920][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3778.842920][ T3767] netdev_get_by_index+0x5e/0x80 [ 3778.842920][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3778.842920][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3778.842920][ T3767] ip6_route_add+0x1c/0x140 [ 3778.842920][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3778.842920][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3778.842920][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3778.842920][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.842920][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.842920][ T3767] netlink_unicast+0x449/0x710 [ 3778.842920][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.842920][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.842920][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.842920][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.842920][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.842920][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3778.842920][ T3767] [ 3778.845428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3778.845428][ T3767] netdev_get_by_index+0x5e/0x80 [ 3778.845428][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3778.845428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3778.845428][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3778.845428][ T3767] ipv6_add_addr+0x411/0x2000 [ 3778.845428][ T3767] inet6_addr_add+0x30e/0xa40 [ 3778.845428][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3778.845428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.845428][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.845428][ T3767] netlink_unicast+0x449/0x710 [ 3778.845428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.845428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.845428][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.845428][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.845428][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.845428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3778.845428][ T3767] [ 3778.847920][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3778.847920][ T3767] netdev_get_by_index+0x5e/0x80 [ 3778.847920][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3778.847920][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3778.847920][ T3767] ip6_route_add+0x1c/0x140 [ 3778.847920][ T3767] addrconf_add_mroute+0x129/0x180 [ 3778.847920][ T3767] addrconf_add_dev+0xe2/0x170 [ 3778.847920][ T3767] inet6_addr_add+0x12f/0xa40 [ 3778.847920][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3778.847920][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.847920][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.847920][ T3767] netlink_unicast+0x449/0x710 [ 3778.847920][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.847920][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.847920][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.847920][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.847920][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.847920][ T3767] [ 3778.850390][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3778.850390][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3778.850390][ T3767] ipv6_find_idev+0x102/0x170 [ 3778.850390][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3778.850390][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.850390][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.850390][ T3767] netlink_unicast+0x449/0x710 [ 3778.850390][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.850390][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.850390][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.850390][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.850390][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.850390][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3778.850390][ T3767] [ 3778.852317][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3778.852317][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3778.852317][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3778.852317][ T3767] ipv6_find_idev+0x102/0x170 [ 3778.852317][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3778.852317][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3778.852317][ T3767] netlink_rcv_skb+0x130/0x360 [ 3778.852317][ T3767] netlink_unicast+0x449/0x710 [ 3778.852317][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3778.852317][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3778.852317][ T3767] ___sys_sendmsg+0xee/0x170 [ 3778.852317][ T3767] __sys_sendmsg+0xcd/0x170 [ 3778.852317][ T3767] do_syscall_64+0xc6/0x1e0 [ 3778.852317][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3778.852317][ T3767] [ 3789.096043][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3789.096606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3789.096606][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3789.096606][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3789.096606][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3789.096606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3789.096606][ T3767] ip6_route_add+0x1c/0x140 [ 3789.096606][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3789.096606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.096606][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.096606][ T3767] netlink_unicast+0x449/0x710 [ 3789.096606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.096606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.096606][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.096606][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.096606][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.096606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.096606][ T3767] [ 3789.098992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3789.098992][ T3767] netdev_get_by_index+0x5e/0x80 [ 3789.098992][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3789.098992][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3789.098992][ T3767] ip6_route_add+0x1c/0x140 [ 3789.098992][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3789.098992][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3789.098992][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.098992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.098992][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.098992][ T3767] netlink_unicast+0x449/0x710 [ 3789.098992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.098992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.098992][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.098992][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.098992][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.098992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.098992][ T3767] [ 3789.101478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3789.101478][ T3767] netdev_get_by_index+0x5e/0x80 [ 3789.101478][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3789.101478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3789.101478][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3789.101478][ T3767] ipv6_add_addr+0x411/0x2000 [ 3789.101478][ T3767] inet6_addr_add+0x30e/0xa40 [ 3789.101478][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.101478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.101478][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.101478][ T3767] netlink_unicast+0x449/0x710 [ 3789.101478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.101478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.101478][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.101478][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.101478][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.101478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.101478][ T3767] [ 3789.103969][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3789.103969][ T3767] netdev_get_by_index+0x5e/0x80 [ 3789.103969][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3789.103969][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3789.103969][ T3767] ip6_route_add+0x1c/0x140 [ 3789.103969][ T3767] addrconf_add_mroute+0x129/0x180 [ 3789.103969][ T3767] addrconf_add_dev+0xe2/0x170 [ 3789.103969][ T3767] inet6_addr_add+0x12f/0xa40 [ 3789.103969][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3789.103969][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.103969][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.103969][ T3767] netlink_unicast+0x449/0x710 [ 3789.103969][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.103969][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.103969][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.103969][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.103969][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.103969][ T3767] [ 3789.106394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3789.106394][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3789.106394][ T3767] ipv6_find_idev+0x102/0x170 [ 3789.106394][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.106394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.106394][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.106394][ T3767] netlink_unicast+0x449/0x710 [ 3789.106394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.106394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.106394][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.106394][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.106394][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.106394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.106394][ T3767] [ 3789.108326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3789.108326][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3789.108326][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3789.108326][ T3767] ipv6_find_idev+0x102/0x170 [ 3789.108326][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3789.108326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3789.108326][ T3767] netlink_rcv_skb+0x130/0x360 [ 3789.108326][ T3767] netlink_unicast+0x449/0x710 [ 3789.108326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3789.108326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3789.108326][ T3767] ___sys_sendmsg+0xee/0x170 [ 3789.108326][ T3767] __sys_sendmsg+0xcd/0x170 [ 3789.108326][ T3767] do_syscall_64+0xc6/0x1e0 [ 3789.108326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3789.108326][ T3767] [ 3799.351888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3799.352487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3799.352487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3799.352487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3799.352487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3799.352487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3799.352487][ T3767] ip6_route_add+0x1c/0x140 [ 3799.352487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3799.352487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.352487][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.352487][ T3767] netlink_unicast+0x449/0x710 [ 3799.352487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.352487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.352487][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.352487][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.352487][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.352487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.352487][ T3767] [ 3799.354978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3799.354978][ T3767] netdev_get_by_index+0x5e/0x80 [ 3799.354978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3799.354978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3799.354978][ T3767] ip6_route_add+0x1c/0x140 [ 3799.354978][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3799.354978][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3799.354978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.354978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.354978][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.354978][ T3767] netlink_unicast+0x449/0x710 [ 3799.354978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.354978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.354978][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.354978][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.354978][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.354978][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.354978][ T3767] [ 3799.357597][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3799.357597][ T3767] netdev_get_by_index+0x5e/0x80 [ 3799.357597][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3799.357597][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3799.357597][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3799.357597][ T3767] ipv6_add_addr+0x411/0x2000 [ 3799.357597][ T3767] inet6_addr_add+0x30e/0xa40 [ 3799.357597][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.357597][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.357597][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.357597][ T3767] netlink_unicast+0x449/0x710 [ 3799.357597][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.357597][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.357597][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.357597][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.357597][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.357597][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.357597][ T3767] [ 3799.360182][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3799.360182][ T3767] netdev_get_by_index+0x5e/0x80 [ 3799.360182][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3799.360182][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3799.360182][ T3767] ip6_route_add+0x1c/0x140 [ 3799.360182][ T3767] addrconf_add_mroute+0x129/0x180 [ 3799.360182][ T3767] addrconf_add_dev+0xe2/0x170 [ 3799.360182][ T3767] inet6_addr_add+0x12f/0xa40 [ 3799.360182][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3799.360182][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.360182][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.360182][ T3767] netlink_unicast+0x449/0x710 [ 3799.360182][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.360182][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.360182][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.360182][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.360182][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.360182][ T3767] [ 3799.362903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3799.362903][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3799.362903][ T3767] ipv6_find_idev+0x102/0x170 [ 3799.362903][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3799.362903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.362903][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.362903][ T3767] netlink_unicast+0x449/0x710 [ 3799.362903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.362903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.362903][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.362903][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.362903][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.362903][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.362903][ T3767] [ 3799.364931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3799.364931][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3799.364931][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3799.364931][ T3767] ipv6_find_idev+0x102/0x170 [ 3799.364931][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3799.364931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3799.364931][ T3767] netlink_rcv_skb+0x130/0x360 [ 3799.364931][ T3767] netlink_unicast+0x449/0x710 [ 3799.364931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3799.364931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3799.364931][ T3767] ___sys_sendmsg+0xee/0x170 [ 3799.364931][ T3767] __sys_sendmsg+0xcd/0x170 [ 3799.364931][ T3767] do_syscall_64+0xc6/0x1e0 [ 3799.364931][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3799.364931][ T3767] [ 3809.607903][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3809.608446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3809.608446][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3809.608446][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3809.608446][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3809.608446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3809.608446][ T3767] ip6_route_add+0x1c/0x140 [ 3809.608446][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3809.608446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.608446][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.608446][ T3767] netlink_unicast+0x449/0x710 [ 3809.608446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.608446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.608446][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.608446][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.608446][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.608446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3809.608446][ T3767] [ 3809.611022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3809.611022][ T3767] netdev_get_by_index+0x5e/0x80 [ 3809.611022][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3809.611022][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3809.611022][ T3767] ip6_route_add+0x1c/0x140 [ 3809.611022][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3809.611022][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3809.611022][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3809.611022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.611022][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.611022][ T3767] netlink_unicast+0x449/0x710 [ 3809.611022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.611022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.611022][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.611022][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.611022][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.611022][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3809.611022][ T3767] [ 3809.613745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3809.613745][ T3767] netdev_get_by_index+0x5e/0x80 [ 3809.613745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3809.613745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3809.613745][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3809.613745][ T3767] ipv6_add_addr+0x411/0x2000 [ 3809.613745][ T3767] inet6_addr_add+0x30e/0xa40 [ 3809.613745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3809.613745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.613745][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.613745][ T3767] netlink_unicast+0x449/0x710 [ 3809.613745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.613745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.613745][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.613745][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.613745][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.613745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3809.613745][ T3767] [ 3809.616462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3809.616462][ T3767] netdev_get_by_index+0x5e/0x80 [ 3809.616462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3809.616462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3809.616462][ T3767] ip6_route_add+0x1c/0x140 [ 3809.616462][ T3767] addrconf_add_mroute+0x129/0x180 [ 3809.616462][ T3767] addrconf_add_dev+0xe2/0x170 [ 3809.616462][ T3767] inet6_addr_add+0x12f/0xa40 [ 3809.616462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3809.616462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.616462][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.616462][ T3767] netlink_unicast+0x449/0x710 [ 3809.616462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.616462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.616462][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.616462][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.616462][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.616462][ T3767] [ 3809.619149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3809.619149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3809.619149][ T3767] ipv6_find_idev+0x102/0x170 [ 3809.619149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3809.619149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.619149][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.619149][ T3767] netlink_unicast+0x449/0x710 [ 3809.619149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.619149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.619149][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.619149][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.619149][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.619149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3809.619149][ T3767] [ 3809.621247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3809.621247][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3809.621247][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3809.621247][ T3767] ipv6_find_idev+0x102/0x170 [ 3809.621247][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3809.621247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3809.621247][ T3767] netlink_rcv_skb+0x130/0x360 [ 3809.621247][ T3767] netlink_unicast+0x449/0x710 [ 3809.621247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3809.621247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3809.621247][ T3767] ___sys_sendmsg+0xee/0x170 [ 3809.621247][ T3767] __sys_sendmsg+0xcd/0x170 [ 3809.621247][ T3767] do_syscall_64+0xc6/0x1e0 [ 3809.621247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3809.621247][ T3767] [ 3819.863964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3819.864512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3819.864512][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3819.864512][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3819.864512][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3819.864512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3819.864512][ T3767] ip6_route_add+0x1c/0x140 [ 3819.864512][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3819.864512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.864512][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.864512][ T3767] netlink_unicast+0x449/0x710 [ 3819.864512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.864512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.864512][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.864512][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.864512][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.864512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3819.864512][ T3767] [ 3819.867162][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3819.867162][ T3767] netdev_get_by_index+0x5e/0x80 [ 3819.867162][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3819.867162][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3819.867162][ T3767] ip6_route_add+0x1c/0x140 [ 3819.867162][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3819.867162][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3819.867162][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3819.867162][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.867162][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.867162][ T3767] netlink_unicast+0x449/0x710 [ 3819.867162][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.867162][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.867162][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.867162][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.867162][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.867162][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3819.867162][ T3767] [ 3819.869886][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3819.869886][ T3767] netdev_get_by_index+0x5e/0x80 [ 3819.869886][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3819.869886][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3819.869886][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3819.869886][ T3767] ipv6_add_addr+0x411/0x2000 [ 3819.869886][ T3767] inet6_addr_add+0x30e/0xa40 [ 3819.869886][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3819.869886][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.869886][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.869886][ T3767] netlink_unicast+0x449/0x710 [ 3819.869886][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.869886][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.869886][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.869886][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.869886][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.869886][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3819.869886][ T3767] [ 3819.872602][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3819.872602][ T3767] netdev_get_by_index+0x5e/0x80 [ 3819.872602][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3819.872602][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3819.872602][ T3767] ip6_route_add+0x1c/0x140 [ 3819.872602][ T3767] addrconf_add_mroute+0x129/0x180 [ 3819.872602][ T3767] addrconf_add_dev+0xe2/0x170 [ 3819.872602][ T3767] inet6_addr_add+0x12f/0xa40 [ 3819.872602][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3819.872602][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.872602][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.872602][ T3767] netlink_unicast+0x449/0x710 [ 3819.872602][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.872602][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.872602][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.872602][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.872602][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.872602][ T3767] [ 3819.875268][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3819.875268][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3819.875268][ T3767] ipv6_find_idev+0x102/0x170 [ 3819.875268][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3819.875268][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.875268][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.875268][ T3767] netlink_unicast+0x449/0x710 [ 3819.875268][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.875268][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.875268][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.875268][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.875268][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.875268][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3819.875268][ T3767] [ 3819.877336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3819.877336][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3819.877336][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3819.877336][ T3767] ipv6_find_idev+0x102/0x170 [ 3819.877336][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3819.877336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3819.877336][ T3767] netlink_rcv_skb+0x130/0x360 [ 3819.877336][ T3767] netlink_unicast+0x449/0x710 [ 3819.877336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3819.877336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3819.877336][ T3767] ___sys_sendmsg+0xee/0x170 [ 3819.877336][ T3767] __sys_sendmsg+0xcd/0x170 [ 3819.877336][ T3767] do_syscall_64+0xc6/0x1e0 [ 3819.877336][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3819.877336][ T3767] [ 3829.919909][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3829.920397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3829.920397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3829.920397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3829.920397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3829.920397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3829.920397][ T3767] ip6_route_add+0x1c/0x140 [ 3829.920397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3829.920397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.920397][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.920397][ T3767] netlink_unicast+0x449/0x710 [ 3829.920397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.920397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.920397][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.920397][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.920397][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.920397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3829.920397][ T3767] [ 3829.922678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3829.922678][ T3767] netdev_get_by_index+0x5e/0x80 [ 3829.922678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3829.922678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3829.922678][ T3767] ip6_route_add+0x1c/0x140 [ 3829.922678][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3829.922678][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3829.922678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3829.922678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.922678][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.922678][ T3767] netlink_unicast+0x449/0x710 [ 3829.922678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.922678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.922678][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.922678][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.922678][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.922678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3829.922678][ T3767] [ 3829.925114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3829.925114][ T3767] netdev_get_by_index+0x5e/0x80 [ 3829.925114][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3829.925114][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3829.925114][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3829.925114][ T3767] ipv6_add_addr+0x411/0x2000 [ 3829.925114][ T3767] inet6_addr_add+0x30e/0xa40 [ 3829.925114][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3829.925114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.925114][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.925114][ T3767] netlink_unicast+0x449/0x710 [ 3829.925114][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.925114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.925114][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.925114][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.925114][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.925114][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3829.925114][ T3767] [ 3829.927538][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3829.927538][ T3767] netdev_get_by_index+0x5e/0x80 [ 3829.927538][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3829.927538][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3829.927538][ T3767] ip6_route_add+0x1c/0x140 [ 3829.927538][ T3767] addrconf_add_mroute+0x129/0x180 [ 3829.927538][ T3767] addrconf_add_dev+0xe2/0x170 [ 3829.927538][ T3767] inet6_addr_add+0x12f/0xa40 [ 3829.927538][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3829.927538][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.927538][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.927538][ T3767] netlink_unicast+0x449/0x710 [ 3829.927538][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.927538][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.927538][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.927538][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.927538][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.927538][ T3767] [ 3829.929888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3829.929888][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3829.929888][ T3767] ipv6_find_idev+0x102/0x170 [ 3829.929888][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3829.929888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.929888][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.929888][ T3767] netlink_unicast+0x449/0x710 [ 3829.929888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.929888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.929888][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.929888][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.929888][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.929888][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3829.929888][ T3767] [ 3829.931726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3829.931726][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3829.931726][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3829.931726][ T3767] ipv6_find_idev+0x102/0x170 [ 3829.931726][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3829.931726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3829.931726][ T3767] netlink_rcv_skb+0x130/0x360 [ 3829.931726][ T3767] netlink_unicast+0x449/0x710 [ 3829.931726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3829.931726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3829.931726][ T3767] ___sys_sendmsg+0xee/0x170 [ 3829.931726][ T3767] __sys_sendmsg+0xcd/0x170 [ 3829.931726][ T3767] do_syscall_64+0xc6/0x1e0 [ 3829.931726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3829.931726][ T3767] [ 3840.175990][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3840.176473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3840.176473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3840.176473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3840.176473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3840.176473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3840.176473][ T3767] ip6_route_add+0x1c/0x140 [ 3840.176473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3840.176473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.176473][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.176473][ T3767] netlink_unicast+0x449/0x710 [ 3840.176473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.176473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.176473][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.176473][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.176473][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.176473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.176473][ T3767] [ 3840.178609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3840.178609][ T3767] netdev_get_by_index+0x5e/0x80 [ 3840.178609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3840.178609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3840.178609][ T3767] ip6_route_add+0x1c/0x140 [ 3840.178609][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3840.178609][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3840.178609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.178609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.178609][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.178609][ T3767] netlink_unicast+0x449/0x710 [ 3840.178609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.178609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.178609][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.178609][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.178609][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.178609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.178609][ T3767] [ 3840.180832][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3840.180832][ T3767] netdev_get_by_index+0x5e/0x80 [ 3840.180832][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3840.180832][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3840.180832][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3840.180832][ T3767] ipv6_add_addr+0x411/0x2000 [ 3840.180832][ T3767] inet6_addr_add+0x30e/0xa40 [ 3840.180832][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.180832][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.180832][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.180832][ T3767] netlink_unicast+0x449/0x710 [ 3840.180832][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.180832][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.180832][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.180832][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.180832][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.180832][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.180832][ T3767] [ 3840.183069][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3840.183069][ T3767] netdev_get_by_index+0x5e/0x80 [ 3840.183069][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3840.183069][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3840.183069][ T3767] ip6_route_add+0x1c/0x140 [ 3840.183069][ T3767] addrconf_add_mroute+0x129/0x180 [ 3840.183069][ T3767] addrconf_add_dev+0xe2/0x170 [ 3840.183069][ T3767] inet6_addr_add+0x12f/0xa40 [ 3840.183069][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3840.183069][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.183069][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.183069][ T3767] netlink_unicast+0x449/0x710 [ 3840.183069][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.183069][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.183069][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.183069][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.183069][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.183069][ T3767] [ 3840.185815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3840.185815][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3840.185815][ T3767] ipv6_find_idev+0x102/0x170 [ 3840.185815][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3840.185815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.185815][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.185815][ T3767] netlink_unicast+0x449/0x710 [ 3840.185815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.185815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.185815][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.185815][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.185815][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.185815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.185815][ T3767] [ 3840.187515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3840.187515][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3840.187515][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3840.187515][ T3767] ipv6_find_idev+0x102/0x170 [ 3840.187515][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3840.187515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3840.187515][ T3767] netlink_rcv_skb+0x130/0x360 [ 3840.187515][ T3767] netlink_unicast+0x449/0x710 [ 3840.187515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3840.187515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3840.187515][ T3767] ___sys_sendmsg+0xee/0x170 [ 3840.187515][ T3767] __sys_sendmsg+0xcd/0x170 [ 3840.187515][ T3767] do_syscall_64+0xc6/0x1e0 [ 3840.187515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3840.187515][ T3767] [ 3850.431966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3850.432450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3850.432450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3850.432450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3850.432450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3850.432450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3850.432450][ T3767] ip6_route_add+0x1c/0x140 [ 3850.432450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3850.432450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.432450][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.432450][ T3767] netlink_unicast+0x449/0x710 [ 3850.432450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.432450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.432450][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.432450][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.432450][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.432450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3850.432450][ T3767] [ 3850.434559][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3850.434559][ T3767] netdev_get_by_index+0x5e/0x80 [ 3850.434559][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3850.434559][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3850.434559][ T3767] ip6_route_add+0x1c/0x140 [ 3850.434559][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3850.434559][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3850.434559][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3850.434559][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.434559][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.434559][ T3767] netlink_unicast+0x449/0x710 [ 3850.434559][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.434559][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.434559][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.434559][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.434559][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.434559][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3850.434559][ T3767] [ 3850.436801][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3850.436801][ T3767] netdev_get_by_index+0x5e/0x80 [ 3850.436801][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3850.436801][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3850.436801][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3850.436801][ T3767] ipv6_add_addr+0x411/0x2000 [ 3850.436801][ T3767] inet6_addr_add+0x30e/0xa40 [ 3850.436801][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3850.436801][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.436801][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.436801][ T3767] netlink_unicast+0x449/0x710 [ 3850.436801][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.436801][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.436801][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.436801][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.436801][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.436801][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3850.436801][ T3767] [ 3850.439028][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3850.439028][ T3767] netdev_get_by_index+0x5e/0x80 [ 3850.439028][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3850.439028][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3850.439028][ T3767] ip6_route_add+0x1c/0x140 [ 3850.439028][ T3767] addrconf_add_mroute+0x129/0x180 [ 3850.439028][ T3767] addrconf_add_dev+0xe2/0x170 [ 3850.439028][ T3767] inet6_addr_add+0x12f/0xa40 [ 3850.439028][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3850.439028][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.439028][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.439028][ T3767] netlink_unicast+0x449/0x710 [ 3850.439028][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.439028][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.439028][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.439028][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.439028][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.439028][ T3767] [ 3850.441206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3850.441206][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3850.441206][ T3767] ipv6_find_idev+0x102/0x170 [ 3850.441206][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3850.441206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.441206][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.441206][ T3767] netlink_unicast+0x449/0x710 [ 3850.441206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.441206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.441206][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.441206][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.441206][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.441206][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3850.441206][ T3767] [ 3850.442915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3850.442915][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3850.442915][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3850.442915][ T3767] ipv6_find_idev+0x102/0x170 [ 3850.442915][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3850.442915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3850.442915][ T3767] netlink_rcv_skb+0x130/0x360 [ 3850.442915][ T3767] netlink_unicast+0x449/0x710 [ 3850.442915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3850.442915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3850.442915][ T3767] ___sys_sendmsg+0xee/0x170 [ 3850.442915][ T3767] __sys_sendmsg+0xcd/0x170 [ 3850.442915][ T3767] do_syscall_64+0xc6/0x1e0 [ 3850.442915][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3850.442915][ T3767] [ 3860.527975][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3860.528405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3860.528405][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3860.528405][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3860.528405][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3860.528405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3860.528405][ T3767] ip6_route_add+0x1c/0x140 [ 3860.528405][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3860.528405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.528405][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.528405][ T3767] netlink_unicast+0x449/0x710 [ 3860.528405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.528405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.528405][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.528405][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.528405][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.528405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3860.528405][ T3767] [ 3860.530523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3860.530523][ T3767] netdev_get_by_index+0x5e/0x80 [ 3860.530523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3860.530523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3860.530523][ T3767] ip6_route_add+0x1c/0x140 [ 3860.530523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3860.530523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3860.530523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3860.530523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.530523][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.530523][ T3767] netlink_unicast+0x449/0x710 [ 3860.530523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.530523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.530523][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.530523][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.530523][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.530523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3860.530523][ T3767] [ 3860.532762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3860.532762][ T3767] netdev_get_by_index+0x5e/0x80 [ 3860.532762][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3860.532762][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3860.532762][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3860.532762][ T3767] ipv6_add_addr+0x411/0x2000 [ 3860.532762][ T3767] inet6_addr_add+0x30e/0xa40 [ 3860.532762][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3860.532762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.532762][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.532762][ T3767] netlink_unicast+0x449/0x710 [ 3860.532762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.532762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.532762][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.532762][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.532762][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.532762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3860.532762][ T3767] [ 3860.534990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3860.534990][ T3767] netdev_get_by_index+0x5e/0x80 [ 3860.534990][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3860.534990][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3860.534990][ T3767] ip6_route_add+0x1c/0x140 [ 3860.534990][ T3767] addrconf_add_mroute+0x129/0x180 [ 3860.534990][ T3767] addrconf_add_dev+0xe2/0x170 [ 3860.534990][ T3767] inet6_addr_add+0x12f/0xa40 [ 3860.534990][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3860.534990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.534990][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.534990][ T3767] netlink_unicast+0x449/0x710 [ 3860.534990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.534990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.534990][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.534990][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.534990][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.534990][ T3767] [ 3860.537173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3860.537173][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3860.537173][ T3767] ipv6_find_idev+0x102/0x170 [ 3860.537173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3860.537173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.537173][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.537173][ T3767] netlink_unicast+0x449/0x710 [ 3860.537173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.537173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.537173][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.537173][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.537173][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.537173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3860.537173][ T3767] [ 3860.538880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3860.538880][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3860.538880][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3860.538880][ T3767] ipv6_find_idev+0x102/0x170 [ 3860.538880][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3860.538880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3860.538880][ T3767] netlink_rcv_skb+0x130/0x360 [ 3860.538880][ T3767] netlink_unicast+0x449/0x710 [ 3860.538880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3860.538880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3860.538880][ T3767] ___sys_sendmsg+0xee/0x170 [ 3860.538880][ T3767] __sys_sendmsg+0xcd/0x170 [ 3860.538880][ T3767] do_syscall_64+0xc6/0x1e0 [ 3860.538880][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3860.538880][ T3767] [ 3870.784106][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3870.784545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3870.784545][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3870.784545][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3870.784545][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3870.784545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3870.784545][ T3767] ip6_route_add+0x1c/0x140 [ 3870.784545][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3870.784545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.784545][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.784545][ T3767] netlink_unicast+0x449/0x710 [ 3870.784545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.784545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.784545][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.784545][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.784545][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.784545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3870.784545][ T3767] [ 3870.786642][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3870.786642][ T3767] netdev_get_by_index+0x5e/0x80 [ 3870.786642][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3870.786642][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3870.786642][ T3767] ip6_route_add+0x1c/0x140 [ 3870.786642][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3870.786642][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3870.786642][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3870.786642][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.786642][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.786642][ T3767] netlink_unicast+0x449/0x710 [ 3870.786642][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.786642][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.786642][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.786642][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.786642][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.786642][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3870.786642][ T3767] [ 3870.788902][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3870.788902][ T3767] netdev_get_by_index+0x5e/0x80 [ 3870.788902][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3870.788902][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3870.788902][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3870.788902][ T3767] ipv6_add_addr+0x411/0x2000 [ 3870.788902][ T3767] inet6_addr_add+0x30e/0xa40 [ 3870.788902][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3870.788902][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.788902][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.788902][ T3767] netlink_unicast+0x449/0x710 [ 3870.788902][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.788902][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.788902][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.788902][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.788902][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.788902][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3870.788902][ T3767] [ 3870.791134][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3870.791134][ T3767] netdev_get_by_index+0x5e/0x80 [ 3870.791134][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3870.791134][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3870.791134][ T3767] ip6_route_add+0x1c/0x140 [ 3870.791134][ T3767] addrconf_add_mroute+0x129/0x180 [ 3870.791134][ T3767] addrconf_add_dev+0xe2/0x170 [ 3870.791134][ T3767] inet6_addr_add+0x12f/0xa40 [ 3870.791134][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3870.791134][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.791134][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.791134][ T3767] netlink_unicast+0x449/0x710 [ 3870.791134][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.791134][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.791134][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.791134][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.791134][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.791134][ T3767] [ 3870.793331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3870.793331][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3870.793331][ T3767] ipv6_find_idev+0x102/0x170 [ 3870.793331][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3870.793331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.793331][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.793331][ T3767] netlink_unicast+0x449/0x710 [ 3870.793331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.793331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.793331][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.793331][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.793331][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.793331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3870.793331][ T3767] [ 3870.795053][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3870.795053][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3870.795053][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3870.795053][ T3767] ipv6_find_idev+0x102/0x170 [ 3870.795053][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3870.795053][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3870.795053][ T3767] netlink_rcv_skb+0x130/0x360 [ 3870.795053][ T3767] netlink_unicast+0x449/0x710 [ 3870.795053][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3870.795053][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3870.795053][ T3767] ___sys_sendmsg+0xee/0x170 [ 3870.795053][ T3767] __sys_sendmsg+0xcd/0x170 [ 3870.795053][ T3767] do_syscall_64+0xc6/0x1e0 [ 3870.795053][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3870.795053][ T3767] [ 3881.047971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3881.048437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3881.048437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3881.048437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3881.048437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3881.048437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3881.048437][ T3767] ip6_route_add+0x1c/0x140 [ 3881.048437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3881.048437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.048437][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.048437][ T3767] netlink_unicast+0x449/0x710 [ 3881.048437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.048437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.048437][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.048437][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.048437][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.048437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.048437][ T3767] [ 3881.050745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3881.050745][ T3767] netdev_get_by_index+0x5e/0x80 [ 3881.050745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3881.050745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3881.050745][ T3767] ip6_route_add+0x1c/0x140 [ 3881.050745][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3881.050745][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3881.050745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.050745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.050745][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.050745][ T3767] netlink_unicast+0x449/0x710 [ 3881.050745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.050745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.050745][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.050745][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.050745][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.050745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.050745][ T3767] [ 3881.053081][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3881.053081][ T3767] netdev_get_by_index+0x5e/0x80 [ 3881.053081][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3881.053081][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3881.053081][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3881.053081][ T3767] ipv6_add_addr+0x411/0x2000 [ 3881.053081][ T3767] inet6_addr_add+0x30e/0xa40 [ 3881.053081][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.053081][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.053081][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.053081][ T3767] netlink_unicast+0x449/0x710 [ 3881.053081][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.053081][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.053081][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.053081][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.053081][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.053081][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.053081][ T3767] [ 3881.055300][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3881.055300][ T3767] netdev_get_by_index+0x5e/0x80 [ 3881.055300][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3881.055300][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3881.055300][ T3767] ip6_route_add+0x1c/0x140 [ 3881.055300][ T3767] addrconf_add_mroute+0x129/0x180 [ 3881.055300][ T3767] addrconf_add_dev+0xe2/0x170 [ 3881.055300][ T3767] inet6_addr_add+0x12f/0xa40 [ 3881.055300][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3881.055300][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.055300][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.055300][ T3767] netlink_unicast+0x449/0x710 [ 3881.055300][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.055300][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.055300][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.055300][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.055300][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.055300][ T3767] [ 3881.057484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3881.057484][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3881.057484][ T3767] ipv6_find_idev+0x102/0x170 [ 3881.057484][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3881.057484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.057484][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.057484][ T3767] netlink_unicast+0x449/0x710 [ 3881.057484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.057484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.057484][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.057484][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.057484][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.057484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.057484][ T3767] [ 3881.059198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3881.059198][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3881.059198][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3881.059198][ T3767] ipv6_find_idev+0x102/0x170 [ 3881.059198][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3881.059198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3881.059198][ T3767] netlink_rcv_skb+0x130/0x360 [ 3881.059198][ T3767] netlink_unicast+0x449/0x710 [ 3881.059198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3881.059198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3881.059198][ T3767] ___sys_sendmsg+0xee/0x170 [ 3881.059198][ T3767] __sys_sendmsg+0xcd/0x170 [ 3881.059198][ T3767] do_syscall_64+0xc6/0x1e0 [ 3881.059198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3881.059198][ T3767] [ 3891.311957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3891.312541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3891.312541][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3891.312541][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3891.312541][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3891.312541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3891.312541][ T3767] ip6_route_add+0x1c/0x140 [ 3891.312541][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3891.312541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.312541][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.312541][ T3767] netlink_unicast+0x449/0x710 [ 3891.312541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.312541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.312541][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.312541][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.312541][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.312541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3891.312541][ T3767] [ 3891.314898][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3891.314898][ T3767] netdev_get_by_index+0x5e/0x80 [ 3891.314898][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3891.314898][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3891.314898][ T3767] ip6_route_add+0x1c/0x140 [ 3891.314898][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3891.314898][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3891.314898][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3891.314898][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.314898][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.314898][ T3767] netlink_unicast+0x449/0x710 [ 3891.314898][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.314898][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.314898][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.314898][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.314898][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.314898][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3891.314898][ T3767] [ 3891.317383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3891.317383][ T3767] netdev_get_by_index+0x5e/0x80 [ 3891.317383][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3891.317383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3891.317383][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3891.317383][ T3767] ipv6_add_addr+0x411/0x2000 [ 3891.317383][ T3767] inet6_addr_add+0x30e/0xa40 [ 3891.317383][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3891.317383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.317383][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.317383][ T3767] netlink_unicast+0x449/0x710 [ 3891.317383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.317383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.317383][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.317383][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.317383][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.317383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3891.317383][ T3767] [ 3891.319905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3891.319905][ T3767] netdev_get_by_index+0x5e/0x80 [ 3891.319905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3891.319905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3891.319905][ T3767] ip6_route_add+0x1c/0x140 [ 3891.319905][ T3767] addrconf_add_mroute+0x129/0x180 [ 3891.319905][ T3767] addrconf_add_dev+0xe2/0x170 [ 3891.319905][ T3767] inet6_addr_add+0x12f/0xa40 [ 3891.319905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3891.319905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.319905][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.319905][ T3767] netlink_unicast+0x449/0x710 [ 3891.319905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.319905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.319905][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.319905][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.319905][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.319905][ T3767] [ 3891.322349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3891.322349][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3891.322349][ T3767] ipv6_find_idev+0x102/0x170 [ 3891.322349][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3891.322349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.322349][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.322349][ T3767] netlink_unicast+0x449/0x710 [ 3891.322349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.322349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.322349][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.322349][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.322349][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.322349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3891.322349][ T3767] [ 3891.324259][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3891.324259][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3891.324259][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3891.324259][ T3767] ipv6_find_idev+0x102/0x170 [ 3891.324259][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3891.324259][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3891.324259][ T3767] netlink_rcv_skb+0x130/0x360 [ 3891.324259][ T3767] netlink_unicast+0x449/0x710 [ 3891.324259][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3891.324259][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3891.324259][ T3767] ___sys_sendmsg+0xee/0x170 [ 3891.324259][ T3767] __sys_sendmsg+0xcd/0x170 [ 3891.324259][ T3767] do_syscall_64+0xc6/0x1e0 [ 3891.324259][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3891.324259][ T3767] [ 3901.576035][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3901.576510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3901.576510][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3901.576510][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3901.576510][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3901.576510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3901.576510][ T3767] ip6_route_add+0x1c/0x140 [ 3901.576510][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3901.576510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.576510][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.576510][ T3767] netlink_unicast+0x449/0x710 [ 3901.576510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.576510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.576510][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.576510][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.576510][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.576510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3901.576510][ T3767] [ 3901.578837][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3901.578837][ T3767] netdev_get_by_index+0x5e/0x80 [ 3901.578837][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3901.578837][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3901.578837][ T3767] ip6_route_add+0x1c/0x140 [ 3901.578837][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3901.578837][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3901.578837][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3901.578837][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.578837][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.578837][ T3767] netlink_unicast+0x449/0x710 [ 3901.578837][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.578837][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.578837][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.578837][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.578837][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.578837][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3901.578837][ T3767] [ 3901.581274][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3901.581274][ T3767] netdev_get_by_index+0x5e/0x80 [ 3901.581274][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3901.581274][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3901.581274][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3901.581274][ T3767] ipv6_add_addr+0x411/0x2000 [ 3901.581274][ T3767] inet6_addr_add+0x30e/0xa40 [ 3901.581274][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3901.581274][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.581274][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.581274][ T3767] netlink_unicast+0x449/0x710 [ 3901.581274][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.581274][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.581274][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.581274][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.581274][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.581274][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3901.581274][ T3767] [ 3901.583714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3901.583714][ T3767] netdev_get_by_index+0x5e/0x80 [ 3901.583714][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3901.583714][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3901.583714][ T3767] ip6_route_add+0x1c/0x140 [ 3901.583714][ T3767] addrconf_add_mroute+0x129/0x180 [ 3901.583714][ T3767] addrconf_add_dev+0xe2/0x170 [ 3901.583714][ T3767] inet6_addr_add+0x12f/0xa40 [ 3901.583714][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3901.583714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.583714][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.583714][ T3767] netlink_unicast+0x449/0x710 [ 3901.583714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.583714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.583714][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.583714][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.583714][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.583714][ T3767] [ 3901.586156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3901.586156][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3901.586156][ T3767] ipv6_find_idev+0x102/0x170 [ 3901.586156][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3901.586156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.586156][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.586156][ T3767] netlink_unicast+0x449/0x710 [ 3901.586156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.586156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.586156][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.586156][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.586156][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.586156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3901.586156][ T3767] [ 3901.588026][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3901.588026][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3901.588026][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3901.588026][ T3767] ipv6_find_idev+0x102/0x170 [ 3901.588026][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3901.588026][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3901.588026][ T3767] netlink_rcv_skb+0x130/0x360 [ 3901.588026][ T3767] netlink_unicast+0x449/0x710 [ 3901.588026][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3901.588026][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3901.588026][ T3767] ___sys_sendmsg+0xee/0x170 [ 3901.588026][ T3767] __sys_sendmsg+0xcd/0x170 [ 3901.588026][ T3767] do_syscall_64+0xc6/0x1e0 [ 3901.588026][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3901.588026][ T3767] [ 3911.839959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3911.840461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3911.840461][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3911.840461][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3911.840461][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3911.840461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3911.840461][ T3767] ip6_route_add+0x1c/0x140 [ 3911.840461][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3911.840461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.840461][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.840461][ T3767] netlink_unicast+0x449/0x710 [ 3911.840461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.840461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.840461][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.840461][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.840461][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.840461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3911.840461][ T3767] [ 3911.842571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3911.842571][ T3767] netdev_get_by_index+0x5e/0x80 [ 3911.842571][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3911.842571][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3911.842571][ T3767] ip6_route_add+0x1c/0x140 [ 3911.842571][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3911.842571][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3911.842571][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3911.842571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.842571][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.842571][ T3767] netlink_unicast+0x449/0x710 [ 3911.842571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.842571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.842571][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.842571][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.842571][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.842571][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3911.842571][ T3767] [ 3911.844776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3911.844776][ T3767] netdev_get_by_index+0x5e/0x80 [ 3911.844776][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3911.844776][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3911.844776][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3911.844776][ T3767] ipv6_add_addr+0x411/0x2000 [ 3911.844776][ T3767] inet6_addr_add+0x30e/0xa40 [ 3911.844776][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3911.844776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.844776][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.844776][ T3767] netlink_unicast+0x449/0x710 [ 3911.844776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.844776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.844776][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.844776][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.844776][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.844776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3911.844776][ T3767] [ 3911.846984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3911.846984][ T3767] netdev_get_by_index+0x5e/0x80 [ 3911.846984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3911.846984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3911.846984][ T3767] ip6_route_add+0x1c/0x140 [ 3911.846984][ T3767] addrconf_add_mroute+0x129/0x180 [ 3911.846984][ T3767] addrconf_add_dev+0xe2/0x170 [ 3911.846984][ T3767] inet6_addr_add+0x12f/0xa40 [ 3911.846984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3911.846984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.846984][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.846984][ T3767] netlink_unicast+0x449/0x710 [ 3911.846984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.846984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.846984][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.846984][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.846984][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.846984][ T3767] [ 3911.849169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3911.849169][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3911.849169][ T3767] ipv6_find_idev+0x102/0x170 [ 3911.849169][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3911.849169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.849169][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.849169][ T3767] netlink_unicast+0x449/0x710 [ 3911.849169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.849169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.849169][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.849169][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.849169][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.849169][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3911.849169][ T3767] [ 3911.850867][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3911.850867][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3911.850867][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3911.850867][ T3767] ipv6_find_idev+0x102/0x170 [ 3911.850867][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3911.850867][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3911.850867][ T3767] netlink_rcv_skb+0x130/0x360 [ 3911.850867][ T3767] netlink_unicast+0x449/0x710 [ 3911.850867][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3911.850867][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3911.850867][ T3767] ___sys_sendmsg+0xee/0x170 [ 3911.850867][ T3767] __sys_sendmsg+0xcd/0x170 [ 3911.850867][ T3767] do_syscall_64+0xc6/0x1e0 [ 3911.850867][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3911.850867][ T3767] [ 3922.095885][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3922.096426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3922.096426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3922.096426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3922.096426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3922.096426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3922.096426][ T3767] ip6_route_add+0x1c/0x140 [ 3922.096426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3922.096426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.096426][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.096426][ T3767] netlink_unicast+0x449/0x710 [ 3922.096426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.096426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.096426][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.096426][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.096426][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.096426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.096426][ T3767] [ 3922.098833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3922.098833][ T3767] netdev_get_by_index+0x5e/0x80 [ 3922.098833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3922.098833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3922.098833][ T3767] ip6_route_add+0x1c/0x140 [ 3922.098833][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3922.098833][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3922.098833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.098833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.098833][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.098833][ T3767] netlink_unicast+0x449/0x710 [ 3922.098833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.098833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.098833][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.098833][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.098833][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.098833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.098833][ T3767] [ 3922.101415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3922.101415][ T3767] netdev_get_by_index+0x5e/0x80 [ 3922.101415][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3922.101415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3922.101415][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3922.101415][ T3767] ipv6_add_addr+0x411/0x2000 [ 3922.101415][ T3767] inet6_addr_add+0x30e/0xa40 [ 3922.101415][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.101415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.101415][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.101415][ T3767] netlink_unicast+0x449/0x710 [ 3922.101415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.101415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.101415][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.101415][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.101415][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.101415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.101415][ T3767] [ 3922.103891][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3922.103891][ T3767] netdev_get_by_index+0x5e/0x80 [ 3922.103891][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3922.103891][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3922.103891][ T3767] ip6_route_add+0x1c/0x140 [ 3922.103891][ T3767] addrconf_add_mroute+0x129/0x180 [ 3922.103891][ T3767] addrconf_add_dev+0xe2/0x170 [ 3922.103891][ T3767] inet6_addr_add+0x12f/0xa40 [ 3922.103891][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3922.103891][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.103891][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.103891][ T3767] netlink_unicast+0x449/0x710 [ 3922.103891][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.103891][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.103891][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.103891][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.103891][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.103891][ T3767] [ 3922.106346][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3922.106346][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3922.106346][ T3767] ipv6_find_idev+0x102/0x170 [ 3922.106346][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3922.106346][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.106346][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.106346][ T3767] netlink_unicast+0x449/0x710 [ 3922.106346][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.106346][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.106346][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.106346][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.106346][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.106346][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.106346][ T3767] [ 3922.108299][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3922.108299][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3922.108299][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3922.108299][ T3767] ipv6_find_idev+0x102/0x170 [ 3922.108299][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3922.108299][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3922.108299][ T3767] netlink_rcv_skb+0x130/0x360 [ 3922.108299][ T3767] netlink_unicast+0x449/0x710 [ 3922.108299][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3922.108299][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3922.108299][ T3767] ___sys_sendmsg+0xee/0x170 [ 3922.108299][ T3767] __sys_sendmsg+0xcd/0x170 [ 3922.108299][ T3767] do_syscall_64+0xc6/0x1e0 [ 3922.108299][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3922.108299][ T3767] [ 3932.351947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3932.352504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3932.352504][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3932.352504][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3932.352504][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3932.352504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3932.352504][ T3767] ip6_route_add+0x1c/0x140 [ 3932.352504][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3932.352504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.352504][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.352504][ T3767] netlink_unicast+0x449/0x710 [ 3932.352504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.352504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.352504][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.352504][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.352504][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.352504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3932.352504][ T3767] [ 3932.354804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3932.354804][ T3767] netdev_get_by_index+0x5e/0x80 [ 3932.354804][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3932.354804][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3932.354804][ T3767] ip6_route_add+0x1c/0x140 [ 3932.354804][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3932.354804][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3932.354804][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3932.354804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.354804][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.354804][ T3767] netlink_unicast+0x449/0x710 [ 3932.354804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.354804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.354804][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.354804][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.354804][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.354804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3932.354804][ T3767] [ 3932.357231][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3932.357231][ T3767] netdev_get_by_index+0x5e/0x80 [ 3932.357231][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3932.357231][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3932.357231][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3932.357231][ T3767] ipv6_add_addr+0x411/0x2000 [ 3932.357231][ T3767] inet6_addr_add+0x30e/0xa40 [ 3932.357231][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3932.357231][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.357231][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.357231][ T3767] netlink_unicast+0x449/0x710 [ 3932.357231][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.357231][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.357231][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.357231][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.357231][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.357231][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3932.357231][ T3767] [ 3932.359685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3932.359685][ T3767] netdev_get_by_index+0x5e/0x80 [ 3932.359685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3932.359685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3932.359685][ T3767] ip6_route_add+0x1c/0x140 [ 3932.359685][ T3767] addrconf_add_mroute+0x129/0x180 [ 3932.359685][ T3767] addrconf_add_dev+0xe2/0x170 [ 3932.359685][ T3767] inet6_addr_add+0x12f/0xa40 [ 3932.359685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3932.359685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.359685][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.359685][ T3767] netlink_unicast+0x449/0x710 [ 3932.359685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.359685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.359685][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.359685][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.359685][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.359685][ T3767] [ 3932.362073][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3932.362073][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3932.362073][ T3767] ipv6_find_idev+0x102/0x170 [ 3932.362073][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3932.362073][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.362073][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.362073][ T3767] netlink_unicast+0x449/0x710 [ 3932.362073][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.362073][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.362073][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.362073][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.362073][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.362073][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3932.362073][ T3767] [ 3932.363940][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3932.363940][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3932.363940][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3932.363940][ T3767] ipv6_find_idev+0x102/0x170 [ 3932.363940][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3932.363940][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3932.363940][ T3767] netlink_rcv_skb+0x130/0x360 [ 3932.363940][ T3767] netlink_unicast+0x449/0x710 [ 3932.363940][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3932.363940][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3932.363940][ T3767] ___sys_sendmsg+0xee/0x170 [ 3932.363940][ T3767] __sys_sendmsg+0xcd/0x170 [ 3932.363940][ T3767] do_syscall_64+0xc6/0x1e0 [ 3932.363940][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3932.363940][ T3767] [ 3942.615907][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3942.616413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3942.616413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3942.616413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3942.616413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3942.616413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3942.616413][ T3767] ip6_route_add+0x1c/0x140 [ 3942.616413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3942.616413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.616413][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.616413][ T3767] netlink_unicast+0x449/0x710 [ 3942.616413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.616413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.616413][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.616413][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.616413][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.616413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3942.616413][ T3767] [ 3942.618943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3942.618943][ T3767] netdev_get_by_index+0x5e/0x80 [ 3942.618943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3942.618943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3942.618943][ T3767] ip6_route_add+0x1c/0x140 [ 3942.618943][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3942.618943][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3942.618943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3942.618943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.618943][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.618943][ T3767] netlink_unicast+0x449/0x710 [ 3942.618943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.618943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.618943][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.618943][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.618943][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.618943][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3942.618943][ T3767] [ 3942.621445][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3942.621445][ T3767] netdev_get_by_index+0x5e/0x80 [ 3942.621445][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3942.621445][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3942.621445][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3942.621445][ T3767] ipv6_add_addr+0x411/0x2000 [ 3942.621445][ T3767] inet6_addr_add+0x30e/0xa40 [ 3942.621445][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3942.621445][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.621445][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.621445][ T3767] netlink_unicast+0x449/0x710 [ 3942.621445][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.621445][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.621445][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.621445][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.621445][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.621445][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3942.621445][ T3767] [ 3942.623874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3942.623874][ T3767] netdev_get_by_index+0x5e/0x80 [ 3942.623874][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3942.623874][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3942.623874][ T3767] ip6_route_add+0x1c/0x140 [ 3942.623874][ T3767] addrconf_add_mroute+0x129/0x180 [ 3942.623874][ T3767] addrconf_add_dev+0xe2/0x170 [ 3942.623874][ T3767] inet6_addr_add+0x12f/0xa40 [ 3942.623874][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3942.623874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.623874][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.623874][ T3767] netlink_unicast+0x449/0x710 [ 3942.623874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.623874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.623874][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.623874][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.623874][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.623874][ T3767] [ 3942.626188][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3942.626188][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3942.626188][ T3767] ipv6_find_idev+0x102/0x170 [ 3942.626188][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3942.626188][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.626188][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.626188][ T3767] netlink_unicast+0x449/0x710 [ 3942.626188][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.626188][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.626188][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.626188][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.626188][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.626188][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3942.626188][ T3767] [ 3942.627888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3942.627888][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3942.627888][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3942.627888][ T3767] ipv6_find_idev+0x102/0x170 [ 3942.627888][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3942.627888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3942.627888][ T3767] netlink_rcv_skb+0x130/0x360 [ 3942.627888][ T3767] netlink_unicast+0x449/0x710 [ 3942.627888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3942.627888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3942.627888][ T3767] ___sys_sendmsg+0xee/0x170 [ 3942.627888][ T3767] __sys_sendmsg+0xcd/0x170 [ 3942.627888][ T3767] do_syscall_64+0xc6/0x1e0 [ 3942.627888][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3942.627888][ T3767] [ 3952.879960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3952.880468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3952.880468][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3952.880468][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3952.880468][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3952.880468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3952.880468][ T3767] ip6_route_add+0x1c/0x140 [ 3952.880468][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3952.880468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.880468][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.880468][ T3767] netlink_unicast+0x449/0x710 [ 3952.880468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.880468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.880468][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.880468][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.880468][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.880468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3952.880468][ T3767] [ 3952.882557][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3952.882557][ T3767] netdev_get_by_index+0x5e/0x80 [ 3952.882557][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3952.882557][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3952.882557][ T3767] ip6_route_add+0x1c/0x140 [ 3952.882557][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3952.882557][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3952.882557][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3952.882557][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.882557][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.882557][ T3767] netlink_unicast+0x449/0x710 [ 3952.882557][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.882557][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.882557][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.882557][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.882557][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.882557][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3952.882557][ T3767] [ 3952.884743][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3952.884743][ T3767] netdev_get_by_index+0x5e/0x80 [ 3952.884743][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3952.884743][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3952.884743][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3952.884743][ T3767] ipv6_add_addr+0x411/0x2000 [ 3952.884743][ T3767] inet6_addr_add+0x30e/0xa40 [ 3952.884743][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3952.884743][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.884743][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.884743][ T3767] netlink_unicast+0x449/0x710 [ 3952.884743][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.884743][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.884743][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.884743][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.884743][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.884743][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3952.884743][ T3767] [ 3952.887022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3952.887022][ T3767] netdev_get_by_index+0x5e/0x80 [ 3952.887022][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3952.887022][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3952.887022][ T3767] ip6_route_add+0x1c/0x140 [ 3952.887022][ T3767] addrconf_add_mroute+0x129/0x180 [ 3952.887022][ T3767] addrconf_add_dev+0xe2/0x170 [ 3952.887022][ T3767] inet6_addr_add+0x12f/0xa40 [ 3952.887022][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3952.887022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.887022][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.887022][ T3767] netlink_unicast+0x449/0x710 [ 3952.887022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.887022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.887022][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.887022][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.887022][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.887022][ T3767] [ 3952.889176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3952.889176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3952.889176][ T3767] ipv6_find_idev+0x102/0x170 [ 3952.889176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3952.889176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.889176][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.889176][ T3767] netlink_unicast+0x449/0x710 [ 3952.889176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.889176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.889176][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.889176][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.889176][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.889176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3952.889176][ T3767] [ 3952.890872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3952.890872][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3952.890872][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3952.890872][ T3767] ipv6_find_idev+0x102/0x170 [ 3952.890872][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3952.890872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3952.890872][ T3767] netlink_rcv_skb+0x130/0x360 [ 3952.890872][ T3767] netlink_unicast+0x449/0x710 [ 3952.890872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3952.890872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3952.890872][ T3767] ___sys_sendmsg+0xee/0x170 [ 3952.890872][ T3767] __sys_sendmsg+0xcd/0x170 [ 3952.890872][ T3767] do_syscall_64+0xc6/0x1e0 [ 3952.890872][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3952.890872][ T3767] [ 3963.135962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3963.136478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3963.136478][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3963.136478][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3963.136478][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3963.136478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3963.136478][ T3767] ip6_route_add+0x1c/0x140 [ 3963.136478][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3963.136478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.136478][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.136478][ T3767] netlink_unicast+0x449/0x710 [ 3963.136478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.136478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.136478][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.136478][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.136478][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.136478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.136478][ T3767] [ 3963.138586][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3963.138586][ T3767] netdev_get_by_index+0x5e/0x80 [ 3963.138586][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3963.138586][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3963.138586][ T3767] ip6_route_add+0x1c/0x140 [ 3963.138586][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3963.138586][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3963.138586][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.138586][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.138586][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.138586][ T3767] netlink_unicast+0x449/0x710 [ 3963.138586][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.138586][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.138586][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.138586][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.138586][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.138586][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.138586][ T3767] [ 3963.140794][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3963.140794][ T3767] netdev_get_by_index+0x5e/0x80 [ 3963.140794][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3963.140794][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3963.140794][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3963.140794][ T3767] ipv6_add_addr+0x411/0x2000 [ 3963.140794][ T3767] inet6_addr_add+0x30e/0xa40 [ 3963.140794][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.140794][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.140794][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.140794][ T3767] netlink_unicast+0x449/0x710 [ 3963.140794][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.140794][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.140794][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.140794][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.140794][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.140794][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.140794][ T3767] [ 3963.142994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3963.142994][ T3767] netdev_get_by_index+0x5e/0x80 [ 3963.142994][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3963.142994][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3963.142994][ T3767] ip6_route_add+0x1c/0x140 [ 3963.142994][ T3767] addrconf_add_mroute+0x129/0x180 [ 3963.142994][ T3767] addrconf_add_dev+0xe2/0x170 [ 3963.142994][ T3767] inet6_addr_add+0x12f/0xa40 [ 3963.142994][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3963.142994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.142994][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.142994][ T3767] netlink_unicast+0x449/0x710 [ 3963.142994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.142994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.142994][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.142994][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.142994][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.142994][ T3767] [ 3963.145161][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3963.145161][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3963.145161][ T3767] ipv6_find_idev+0x102/0x170 [ 3963.145161][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3963.145161][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.145161][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.145161][ T3767] netlink_unicast+0x449/0x710 [ 3963.145161][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.145161][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.145161][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.145161][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.145161][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.145161][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.145161][ T3767] [ 3963.146856][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3963.146856][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3963.146856][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3963.146856][ T3767] ipv6_find_idev+0x102/0x170 [ 3963.146856][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3963.146856][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3963.146856][ T3767] netlink_rcv_skb+0x130/0x360 [ 3963.146856][ T3767] netlink_unicast+0x449/0x710 [ 3963.146856][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3963.146856][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3963.146856][ T3767] ___sys_sendmsg+0xee/0x170 [ 3963.146856][ T3767] __sys_sendmsg+0xcd/0x170 [ 3963.146856][ T3767] do_syscall_64+0xc6/0x1e0 [ 3963.146856][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3963.146856][ T3767] [ 3973.359887][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3973.360410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3973.360410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3973.360410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3973.360410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3973.360410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3973.360410][ T3767] ip6_route_add+0x1c/0x140 [ 3973.360410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3973.360410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.360410][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.360410][ T3767] netlink_unicast+0x449/0x710 [ 3973.360410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.360410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.360410][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.360410][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.360410][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.360410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3973.360410][ T3767] [ 3973.362735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3973.362735][ T3767] netdev_get_by_index+0x5e/0x80 [ 3973.362735][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3973.362735][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3973.362735][ T3767] ip6_route_add+0x1c/0x140 [ 3973.362735][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3973.362735][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3973.362735][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3973.362735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.362735][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.362735][ T3767] netlink_unicast+0x449/0x710 [ 3973.362735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.362735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.362735][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.362735][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.362735][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.362735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3973.362735][ T3767] [ 3973.365184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3973.365184][ T3767] netdev_get_by_index+0x5e/0x80 [ 3973.365184][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3973.365184][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3973.365184][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3973.365184][ T3767] ipv6_add_addr+0x411/0x2000 [ 3973.365184][ T3767] inet6_addr_add+0x30e/0xa40 [ 3973.365184][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3973.365184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.365184][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.365184][ T3767] netlink_unicast+0x449/0x710 [ 3973.365184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.365184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.365184][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.365184][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.365184][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.365184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3973.365184][ T3767] [ 3973.367683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3973.367683][ T3767] netdev_get_by_index+0x5e/0x80 [ 3973.367683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3973.367683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3973.367683][ T3767] ip6_route_add+0x1c/0x140 [ 3973.367683][ T3767] addrconf_add_mroute+0x129/0x180 [ 3973.367683][ T3767] addrconf_add_dev+0xe2/0x170 [ 3973.367683][ T3767] inet6_addr_add+0x12f/0xa40 [ 3973.367683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3973.367683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.367683][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.367683][ T3767] netlink_unicast+0x449/0x710 [ 3973.367683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.367683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.367683][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.367683][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.367683][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.367683][ T3767] [ 3973.370099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3973.370099][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3973.370099][ T3767] ipv6_find_idev+0x102/0x170 [ 3973.370099][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3973.370099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.370099][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.370099][ T3767] netlink_unicast+0x449/0x710 [ 3973.370099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.370099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.370099][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.370099][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.370099][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.370099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3973.370099][ T3767] [ 3973.371956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3973.371956][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3973.371956][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3973.371956][ T3767] ipv6_find_idev+0x102/0x170 [ 3973.371956][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3973.371956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3973.371956][ T3767] netlink_rcv_skb+0x130/0x360 [ 3973.371956][ T3767] netlink_unicast+0x449/0x710 [ 3973.371956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3973.371956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3973.371956][ T3767] ___sys_sendmsg+0xee/0x170 [ 3973.371956][ T3767] __sys_sendmsg+0xcd/0x170 [ 3973.371956][ T3767] do_syscall_64+0xc6/0x1e0 [ 3973.371956][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3973.371956][ T3767] [ 3983.615883][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3983.616391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3983.616391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3983.616391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3983.616391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3983.616391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3983.616391][ T3767] ip6_route_add+0x1c/0x140 [ 3983.616391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3983.616391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.616391][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.616391][ T3767] netlink_unicast+0x449/0x710 [ 3983.616391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.616391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.616391][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.616391][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.616391][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.616391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3983.616391][ T3767] [ 3983.618511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3983.618511][ T3767] netdev_get_by_index+0x5e/0x80 [ 3983.618511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3983.618511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3983.618511][ T3767] ip6_route_add+0x1c/0x140 [ 3983.618511][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3983.618511][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3983.618511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3983.618511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.618511][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.618511][ T3767] netlink_unicast+0x449/0x710 [ 3983.618511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.618511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.618511][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.618511][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.618511][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.618511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3983.618511][ T3767] [ 3983.620700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3983.620700][ T3767] netdev_get_by_index+0x5e/0x80 [ 3983.620700][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3983.620700][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3983.620700][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3983.620700][ T3767] ipv6_add_addr+0x411/0x2000 [ 3983.620700][ T3767] inet6_addr_add+0x30e/0xa40 [ 3983.620700][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3983.620700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.620700][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.620700][ T3767] netlink_unicast+0x449/0x710 [ 3983.620700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.620700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.620700][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.620700][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.620700][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.620700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3983.620700][ T3767] [ 3983.623005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3983.623005][ T3767] netdev_get_by_index+0x5e/0x80 [ 3983.623005][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3983.623005][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3983.623005][ T3767] ip6_route_add+0x1c/0x140 [ 3983.623005][ T3767] addrconf_add_mroute+0x129/0x180 [ 3983.623005][ T3767] addrconf_add_dev+0xe2/0x170 [ 3983.623005][ T3767] inet6_addr_add+0x12f/0xa40 [ 3983.623005][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3983.623005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.623005][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.623005][ T3767] netlink_unicast+0x449/0x710 [ 3983.623005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.623005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.623005][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.623005][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.623005][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.623005][ T3767] [ 3983.625167][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3983.625167][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3983.625167][ T3767] ipv6_find_idev+0x102/0x170 [ 3983.625167][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3983.625167][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.625167][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.625167][ T3767] netlink_unicast+0x449/0x710 [ 3983.625167][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.625167][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.625167][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.625167][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.625167][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.625167][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3983.625167][ T3767] [ 3983.626860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3983.626860][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3983.626860][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3983.626860][ T3767] ipv6_find_idev+0x102/0x170 [ 3983.626860][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3983.626860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3983.626860][ T3767] netlink_rcv_skb+0x130/0x360 [ 3983.626860][ T3767] netlink_unicast+0x449/0x710 [ 3983.626860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3983.626860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3983.626860][ T3767] ___sys_sendmsg+0xee/0x170 [ 3983.626860][ T3767] __sys_sendmsg+0xcd/0x170 [ 3983.626860][ T3767] do_syscall_64+0xc6/0x1e0 [ 3983.626860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3983.626860][ T3767] [ 3993.871943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3993.872461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 3993.872461][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 3993.872461][ T3767] ip6_validate_gw+0x3eb/0x790 [ 3993.872461][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 3993.872461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3993.872461][ T3767] ip6_route_add+0x1c/0x140 [ 3993.872461][ T3767] inet6_rtm_newroute+0x104/0x110 [ 3993.872461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.872461][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.872461][ T3767] netlink_unicast+0x449/0x710 [ 3993.872461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.872461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.872461][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.872461][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.872461][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.872461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3993.872461][ T3767] [ 3993.874547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3993.874547][ T3767] netdev_get_by_index+0x5e/0x80 [ 3993.874547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3993.874547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3993.874547][ T3767] ip6_route_add+0x1c/0x140 [ 3993.874547][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 3993.874547][ T3767] inet6_addr_add+0x4f8/0xa40 [ 3993.874547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3993.874547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.874547][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.874547][ T3767] netlink_unicast+0x449/0x710 [ 3993.874547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.874547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.874547][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.874547][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.874547][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.874547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3993.874547][ T3767] [ 3993.876734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3993.876734][ T3767] netdev_get_by_index+0x5e/0x80 [ 3993.876734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3993.876734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3993.876734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 3993.876734][ T3767] ipv6_add_addr+0x411/0x2000 [ 3993.876734][ T3767] inet6_addr_add+0x30e/0xa40 [ 3993.876734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3993.876734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.876734][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.876734][ T3767] netlink_unicast+0x449/0x710 [ 3993.876734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.876734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.876734][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.876734][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.876734][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.876734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3993.876734][ T3767] [ 3993.878931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3993.878931][ T3767] netdev_get_by_index+0x5e/0x80 [ 3993.878931][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 3993.878931][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 3993.878931][ T3767] ip6_route_add+0x1c/0x140 [ 3993.878931][ T3767] addrconf_add_mroute+0x129/0x180 [ 3993.878931][ T3767] addrconf_add_dev+0xe2/0x170 [ 3993.878931][ T3767] inet6_addr_add+0x12f/0xa40 [ 3993.878931][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 3993.878931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.878931][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.878931][ T3767] netlink_unicast+0x449/0x710 [ 3993.878931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.878931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.878931][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.878931][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.878931][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.878931][ T3767] [ 3993.881078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3993.881078][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 3993.881078][ T3767] ipv6_find_idev+0x102/0x170 [ 3993.881078][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3993.881078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.881078][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.881078][ T3767] netlink_unicast+0x449/0x710 [ 3993.881078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.881078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.881078][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.881078][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.881078][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.881078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3993.881078][ T3767] [ 3993.882761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 3993.882761][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 3993.882761][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 3993.882761][ T3767] ipv6_find_idev+0x102/0x170 [ 3993.882761][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 3993.882761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3993.882761][ T3767] netlink_rcv_skb+0x130/0x360 [ 3993.882761][ T3767] netlink_unicast+0x449/0x710 [ 3993.882761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 3993.882761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 3993.882761][ T3767] ___sys_sendmsg+0xee/0x170 [ 3993.882761][ T3767] __sys_sendmsg+0xcd/0x170 [ 3993.882761][ T3767] do_syscall_64+0xc6/0x1e0 [ 3993.882761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3993.882761][ T3767] [ 4004.119942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4004.120419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4004.120419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4004.120419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4004.120419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4004.120419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4004.120419][ T3767] ip6_route_add+0x1c/0x140 [ 4004.120419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4004.120419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.120419][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.120419][ T3767] netlink_unicast+0x449/0x710 [ 4004.120419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.120419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.120419][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.120419][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.120419][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.120419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.120419][ T3767] [ 4004.122673][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4004.122673][ T3767] netdev_get_by_index+0x5e/0x80 [ 4004.122673][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4004.122673][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4004.122673][ T3767] ip6_route_add+0x1c/0x140 [ 4004.122673][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4004.122673][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4004.122673][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.122673][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.122673][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.122673][ T3767] netlink_unicast+0x449/0x710 [ 4004.122673][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.122673][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.122673][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.122673][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.122673][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.122673][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.122673][ T3767] [ 4004.125070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4004.125070][ T3767] netdev_get_by_index+0x5e/0x80 [ 4004.125070][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4004.125070][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4004.125070][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4004.125070][ T3767] ipv6_add_addr+0x411/0x2000 [ 4004.125070][ T3767] inet6_addr_add+0x30e/0xa40 [ 4004.125070][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.125070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.125070][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.125070][ T3767] netlink_unicast+0x449/0x710 [ 4004.125070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.125070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.125070][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.125070][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.125070][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.125070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.125070][ T3767] [ 4004.127472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4004.127472][ T3767] netdev_get_by_index+0x5e/0x80 [ 4004.127472][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4004.127472][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4004.127472][ T3767] ip6_route_add+0x1c/0x140 [ 4004.127472][ T3767] addrconf_add_mroute+0x129/0x180 [ 4004.127472][ T3767] addrconf_add_dev+0xe2/0x170 [ 4004.127472][ T3767] inet6_addr_add+0x12f/0xa40 [ 4004.127472][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4004.127472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.127472][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.127472][ T3767] netlink_unicast+0x449/0x710 [ 4004.127472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.127472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.127472][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.127472][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.127472][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.127472][ T3767] [ 4004.129999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4004.129999][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4004.129999][ T3767] ipv6_find_idev+0x102/0x170 [ 4004.129999][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4004.129999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.129999][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.129999][ T3767] netlink_unicast+0x449/0x710 [ 4004.129999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.129999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.129999][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.129999][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.129999][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.129999][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.129999][ T3767] [ 4004.131850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4004.131850][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4004.131850][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4004.131850][ T3767] ipv6_find_idev+0x102/0x170 [ 4004.131850][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4004.131850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4004.131850][ T3767] netlink_rcv_skb+0x130/0x360 [ 4004.131850][ T3767] netlink_unicast+0x449/0x710 [ 4004.131850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4004.131850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4004.131850][ T3767] ___sys_sendmsg+0xee/0x170 [ 4004.131850][ T3767] __sys_sendmsg+0xcd/0x170 [ 4004.131850][ T3767] do_syscall_64+0xc6/0x1e0 [ 4004.131850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4004.131850][ T3767] [ 4014.375934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4014.376416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4014.376416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4014.376416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4014.376416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4014.376416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4014.376416][ T3767] ip6_route_add+0x1c/0x140 [ 4014.376416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4014.376416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.376416][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.376416][ T3767] netlink_unicast+0x449/0x710 [ 4014.376416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.376416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.376416][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.376416][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.376416][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.376416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.376416][ T3767] [ 4014.378702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4014.378702][ T3767] netdev_get_by_index+0x5e/0x80 [ 4014.378702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4014.378702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4014.378702][ T3767] ip6_route_add+0x1c/0x140 [ 4014.378702][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4014.378702][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4014.378702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.378702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.378702][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.378702][ T3767] netlink_unicast+0x449/0x710 [ 4014.378702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.378702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.378702][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.378702][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.378702][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.378702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.378702][ T3767] [ 4014.381108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4014.381108][ T3767] netdev_get_by_index+0x5e/0x80 [ 4014.381108][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4014.381108][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4014.381108][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4014.381108][ T3767] ipv6_add_addr+0x411/0x2000 [ 4014.381108][ T3767] inet6_addr_add+0x30e/0xa40 [ 4014.381108][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.381108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.381108][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.381108][ T3767] netlink_unicast+0x449/0x710 [ 4014.381108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.381108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.381108][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.381108][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.381108][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.381108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.381108][ T3767] [ 4014.383524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4014.383524][ T3767] netdev_get_by_index+0x5e/0x80 [ 4014.383524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4014.383524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4014.383524][ T3767] ip6_route_add+0x1c/0x140 [ 4014.383524][ T3767] addrconf_add_mroute+0x129/0x180 [ 4014.383524][ T3767] addrconf_add_dev+0xe2/0x170 [ 4014.383524][ T3767] inet6_addr_add+0x12f/0xa40 [ 4014.383524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4014.383524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.383524][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.383524][ T3767] netlink_unicast+0x449/0x710 [ 4014.383524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.383524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.383524][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.383524][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.383524][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.383524][ T3767] [ 4014.385885][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4014.385885][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4014.385885][ T3767] ipv6_find_idev+0x102/0x170 [ 4014.385885][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4014.385885][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.385885][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.385885][ T3767] netlink_unicast+0x449/0x710 [ 4014.385885][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.385885][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.385885][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.385885][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.385885][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.385885][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.385885][ T3767] [ 4014.387744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4014.387744][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4014.387744][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4014.387744][ T3767] ipv6_find_idev+0x102/0x170 [ 4014.387744][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4014.387744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4014.387744][ T3767] netlink_rcv_skb+0x130/0x360 [ 4014.387744][ T3767] netlink_unicast+0x449/0x710 [ 4014.387744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4014.387744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4014.387744][ T3767] ___sys_sendmsg+0xee/0x170 [ 4014.387744][ T3767] __sys_sendmsg+0xcd/0x170 [ 4014.387744][ T3767] do_syscall_64+0xc6/0x1e0 [ 4014.387744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4014.387744][ T3767] [ 4024.631962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4024.632493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4024.632493][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4024.632493][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4024.632493][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4024.632493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4024.632493][ T3767] ip6_route_add+0x1c/0x140 [ 4024.632493][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4024.632493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.632493][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.632493][ T3767] netlink_unicast+0x449/0x710 [ 4024.632493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.632493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.632493][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.632493][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.632493][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.632493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4024.632493][ T3767] [ 4024.635697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4024.635697][ T3767] netdev_get_by_index+0x5e/0x80 [ 4024.635697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4024.635697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4024.635697][ T3767] ip6_route_add+0x1c/0x140 [ 4024.635697][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4024.635697][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4024.635697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4024.635697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.635697][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.635697][ T3767] netlink_unicast+0x449/0x710 [ 4024.635697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.635697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.635697][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.635697][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.635697][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.635697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4024.635697][ T3767] [ 4024.638602][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4024.638602][ T3767] netdev_get_by_index+0x5e/0x80 [ 4024.638602][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4024.638602][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4024.638602][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4024.638602][ T3767] ipv6_add_addr+0x411/0x2000 [ 4024.638602][ T3767] inet6_addr_add+0x30e/0xa40 [ 4024.638602][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4024.638602][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.638602][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.638602][ T3767] netlink_unicast+0x449/0x710 [ 4024.638602][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.638602][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.638602][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.638602][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.638602][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.638602][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4024.638602][ T3767] [ 4024.641873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4024.641873][ T3767] netdev_get_by_index+0x5e/0x80 [ 4024.641873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4024.641873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4024.641873][ T3767] ip6_route_add+0x1c/0x140 [ 4024.641873][ T3767] addrconf_add_mroute+0x129/0x180 [ 4024.641873][ T3767] addrconf_add_dev+0xe2/0x170 [ 4024.641873][ T3767] inet6_addr_add+0x12f/0xa40 [ 4024.641873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4024.641873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.641873][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.641873][ T3767] netlink_unicast+0x449/0x710 [ 4024.641873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.641873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.641873][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.641873][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.641873][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.641873][ T3767] [ 4024.644473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4024.644473][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4024.644473][ T3767] ipv6_find_idev+0x102/0x170 [ 4024.644473][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4024.644473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.644473][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.644473][ T3767] netlink_unicast+0x449/0x710 [ 4024.644473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.644473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.644473][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.644473][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.644473][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.644473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4024.644473][ T3767] [ 4024.646501][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4024.646501][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4024.646501][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4024.646501][ T3767] ipv6_find_idev+0x102/0x170 [ 4024.646501][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4024.646501][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4024.646501][ T3767] netlink_rcv_skb+0x130/0x360 [ 4024.646501][ T3767] netlink_unicast+0x449/0x710 [ 4024.646501][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4024.646501][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4024.646501][ T3767] ___sys_sendmsg+0xee/0x170 [ 4024.646501][ T3767] __sys_sendmsg+0xcd/0x170 [ 4024.646501][ T3767] do_syscall_64+0xc6/0x1e0 [ 4024.646501][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4024.646501][ T3767] [ 4034.887892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4034.888409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4034.888409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4034.888409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4034.888409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4034.888409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4034.888409][ T3767] ip6_route_add+0x1c/0x140 [ 4034.888409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4034.888409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.888409][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.888409][ T3767] netlink_unicast+0x449/0x710 [ 4034.888409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.888409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.888409][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.888409][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.888409][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.888409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4034.888409][ T3767] [ 4034.890514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4034.890514][ T3767] netdev_get_by_index+0x5e/0x80 [ 4034.890514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4034.890514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4034.890514][ T3767] ip6_route_add+0x1c/0x140 [ 4034.890514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4034.890514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4034.890514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4034.890514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.890514][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.890514][ T3767] netlink_unicast+0x449/0x710 [ 4034.890514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.890514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.890514][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.890514][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.890514][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.890514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4034.890514][ T3767] [ 4034.892749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4034.892749][ T3767] netdev_get_by_index+0x5e/0x80 [ 4034.892749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4034.892749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4034.892749][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4034.892749][ T3767] ipv6_add_addr+0x411/0x2000 [ 4034.892749][ T3767] inet6_addr_add+0x30e/0xa40 [ 4034.892749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4034.892749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.892749][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.892749][ T3767] netlink_unicast+0x449/0x710 [ 4034.892749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.892749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.892749][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.892749][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.892749][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.892749][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4034.892749][ T3767] [ 4034.894977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4034.894977][ T3767] netdev_get_by_index+0x5e/0x80 [ 4034.894977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4034.894977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4034.894977][ T3767] ip6_route_add+0x1c/0x140 [ 4034.894977][ T3767] addrconf_add_mroute+0x129/0x180 [ 4034.894977][ T3767] addrconf_add_dev+0xe2/0x170 [ 4034.894977][ T3767] inet6_addr_add+0x12f/0xa40 [ 4034.894977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4034.894977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.894977][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.894977][ T3767] netlink_unicast+0x449/0x710 [ 4034.894977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.894977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.894977][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.894977][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.894977][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.894977][ T3767] [ 4034.897132][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4034.897132][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4034.897132][ T3767] ipv6_find_idev+0x102/0x170 [ 4034.897132][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4034.897132][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.897132][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.897132][ T3767] netlink_unicast+0x449/0x710 [ 4034.897132][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.897132][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.897132][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.897132][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.897132][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.897132][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4034.897132][ T3767] [ 4034.898821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4034.898821][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4034.898821][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4034.898821][ T3767] ipv6_find_idev+0x102/0x170 [ 4034.898821][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4034.898821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4034.898821][ T3767] netlink_rcv_skb+0x130/0x360 [ 4034.898821][ T3767] netlink_unicast+0x449/0x710 [ 4034.898821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4034.898821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4034.898821][ T3767] ___sys_sendmsg+0xee/0x170 [ 4034.898821][ T3767] __sys_sendmsg+0xcd/0x170 [ 4034.898821][ T3767] do_syscall_64+0xc6/0x1e0 [ 4034.898821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4034.898821][ T3767] [ 4045.135899][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4045.136341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4045.136341][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4045.136341][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4045.136341][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4045.136341][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4045.136341][ T3767] ip6_route_add+0x1c/0x140 [ 4045.136341][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4045.136341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.136341][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.136341][ T3767] netlink_unicast+0x449/0x710 [ 4045.136341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.136341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.136341][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.136341][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.136341][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.136341][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.136341][ T3767] [ 4045.138446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4045.138446][ T3767] netdev_get_by_index+0x5e/0x80 [ 4045.138446][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4045.138446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4045.138446][ T3767] ip6_route_add+0x1c/0x140 [ 4045.138446][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4045.138446][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4045.138446][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.138446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.138446][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.138446][ T3767] netlink_unicast+0x449/0x710 [ 4045.138446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.138446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.138446][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.138446][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.138446][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.138446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.138446][ T3767] [ 4045.140638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4045.140638][ T3767] netdev_get_by_index+0x5e/0x80 [ 4045.140638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4045.140638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4045.140638][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4045.140638][ T3767] ipv6_add_addr+0x411/0x2000 [ 4045.140638][ T3767] inet6_addr_add+0x30e/0xa40 [ 4045.140638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.140638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.140638][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.140638][ T3767] netlink_unicast+0x449/0x710 [ 4045.140638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.140638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.140638][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.140638][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.140638][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.140638][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.140638][ T3767] [ 4045.142848][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4045.142848][ T3767] netdev_get_by_index+0x5e/0x80 [ 4045.142848][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4045.142848][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4045.142848][ T3767] ip6_route_add+0x1c/0x140 [ 4045.142848][ T3767] addrconf_add_mroute+0x129/0x180 [ 4045.142848][ T3767] addrconf_add_dev+0xe2/0x170 [ 4045.142848][ T3767] inet6_addr_add+0x12f/0xa40 [ 4045.142848][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4045.142848][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.142848][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.142848][ T3767] netlink_unicast+0x449/0x710 [ 4045.142848][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.142848][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.142848][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.142848][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.142848][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.142848][ T3767] [ 4045.145016][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4045.145016][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4045.145016][ T3767] ipv6_find_idev+0x102/0x170 [ 4045.145016][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.145016][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.145016][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.145016][ T3767] netlink_unicast+0x449/0x710 [ 4045.145016][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.145016][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.145016][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.145016][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.145016][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.145016][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.145016][ T3767] [ 4045.146702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4045.146702][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4045.146702][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4045.146702][ T3767] ipv6_find_idev+0x102/0x170 [ 4045.146702][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4045.146702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4045.146702][ T3767] netlink_rcv_skb+0x130/0x360 [ 4045.146702][ T3767] netlink_unicast+0x449/0x710 [ 4045.146702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4045.146702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4045.146702][ T3767] ___sys_sendmsg+0xee/0x170 [ 4045.146702][ T3767] __sys_sendmsg+0xcd/0x170 [ 4045.146702][ T3767] do_syscall_64+0xc6/0x1e0 [ 4045.146702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4045.146702][ T3767] [ 4055.151906][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4055.152546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4055.152546][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4055.152546][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4055.152546][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4055.152546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4055.152546][ T3767] ip6_route_add+0x1c/0x140 [ 4055.152546][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4055.152546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.152546][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.152546][ T3767] netlink_unicast+0x449/0x710 [ 4055.152546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.152546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.152546][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.152546][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.152546][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.152546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.152546][ T3767] [ 4055.156005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4055.156005][ T3767] netdev_get_by_index+0x5e/0x80 [ 4055.156005][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4055.156005][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4055.156005][ T3767] ip6_route_add+0x1c/0x140 [ 4055.156005][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4055.156005][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4055.156005][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.156005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.156005][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.156005][ T3767] netlink_unicast+0x449/0x710 [ 4055.156005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.156005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.156005][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.156005][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.156005][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.156005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.156005][ T3767] [ 4055.159566][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4055.159566][ T3767] netdev_get_by_index+0x5e/0x80 [ 4055.159566][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4055.159566][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4055.159566][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4055.159566][ T3767] ipv6_add_addr+0x411/0x2000 [ 4055.159566][ T3767] inet6_addr_add+0x30e/0xa40 [ 4055.159566][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.159566][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.159566][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.159566][ T3767] netlink_unicast+0x449/0x710 [ 4055.159566][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.159566][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.159566][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.159566][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.159566][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.159566][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.159566][ T3767] [ 4055.163115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4055.163115][ T3767] netdev_get_by_index+0x5e/0x80 [ 4055.163115][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4055.163115][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4055.163115][ T3767] ip6_route_add+0x1c/0x140 [ 4055.163115][ T3767] addrconf_add_mroute+0x129/0x180 [ 4055.163115][ T3767] addrconf_add_dev+0xe2/0x170 [ 4055.163115][ T3767] inet6_addr_add+0x12f/0xa40 [ 4055.163115][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4055.163115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.163115][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.163115][ T3767] netlink_unicast+0x449/0x710 [ 4055.163115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.163115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.163115][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.163115][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.163115][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.163115][ T3767] [ 4055.166577][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4055.166577][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4055.166577][ T3767] ipv6_find_idev+0x102/0x170 [ 4055.166577][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4055.166577][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.166577][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.166577][ T3767] netlink_unicast+0x449/0x710 [ 4055.166577][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.166577][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.166577][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.166577][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.166577][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.166577][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.166577][ T3767] [ 4055.169283][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4055.169283][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4055.169283][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4055.169283][ T3767] ipv6_find_idev+0x102/0x170 [ 4055.169283][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4055.169283][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4055.169283][ T3767] netlink_rcv_skb+0x130/0x360 [ 4055.169283][ T3767] netlink_unicast+0x449/0x710 [ 4055.169283][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4055.169283][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4055.169283][ T3767] ___sys_sendmsg+0xee/0x170 [ 4055.169283][ T3767] __sys_sendmsg+0xcd/0x170 [ 4055.169283][ T3767] do_syscall_64+0xc6/0x1e0 [ 4055.169283][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4055.169283][ T3767] [ 4065.407978][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4065.408477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4065.408477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4065.408477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4065.408477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4065.408477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4065.408477][ T3767] ip6_route_add+0x1c/0x140 [ 4065.408477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4065.408477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.408477][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.408477][ T3767] netlink_unicast+0x449/0x710 [ 4065.408477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.408477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.408477][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.408477][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.408477][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.408477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4065.408477][ T3767] [ 4065.410652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4065.410652][ T3767] netdev_get_by_index+0x5e/0x80 [ 4065.410652][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4065.410652][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4065.410652][ T3767] ip6_route_add+0x1c/0x140 [ 4065.410652][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4065.410652][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4065.410652][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4065.410652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.410652][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.410652][ T3767] netlink_unicast+0x449/0x710 [ 4065.410652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.410652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.410652][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.410652][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.410652][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.410652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4065.410652][ T3767] [ 4065.412843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4065.412843][ T3767] netdev_get_by_index+0x5e/0x80 [ 4065.412843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4065.412843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4065.412843][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4065.412843][ T3767] ipv6_add_addr+0x411/0x2000 [ 4065.412843][ T3767] inet6_addr_add+0x30e/0xa40 [ 4065.412843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4065.412843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.412843][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.412843][ T3767] netlink_unicast+0x449/0x710 [ 4065.412843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.412843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.412843][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.412843][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.412843][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.412843][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4065.412843][ T3767] [ 4065.415031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4065.415031][ T3767] netdev_get_by_index+0x5e/0x80 [ 4065.415031][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4065.415031][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4065.415031][ T3767] ip6_route_add+0x1c/0x140 [ 4065.415031][ T3767] addrconf_add_mroute+0x129/0x180 [ 4065.415031][ T3767] addrconf_add_dev+0xe2/0x170 [ 4065.415031][ T3767] inet6_addr_add+0x12f/0xa40 [ 4065.415031][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4065.415031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.415031][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.415031][ T3767] netlink_unicast+0x449/0x710 [ 4065.415031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.415031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.415031][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.415031][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.415031][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.415031][ T3767] [ 4065.417184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4065.417184][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4065.417184][ T3767] ipv6_find_idev+0x102/0x170 [ 4065.417184][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4065.417184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.417184][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.417184][ T3767] netlink_unicast+0x449/0x710 [ 4065.417184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.417184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.417184][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.417184][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.417184][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.417184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4065.417184][ T3767] [ 4065.418875][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4065.418875][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4065.418875][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4065.418875][ T3767] ipv6_find_idev+0x102/0x170 [ 4065.418875][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4065.418875][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4065.418875][ T3767] netlink_rcv_skb+0x130/0x360 [ 4065.418875][ T3767] netlink_unicast+0x449/0x710 [ 4065.418875][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4065.418875][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4065.418875][ T3767] ___sys_sendmsg+0xee/0x170 [ 4065.418875][ T3767] __sys_sendmsg+0xcd/0x170 [ 4065.418875][ T3767] do_syscall_64+0xc6/0x1e0 [ 4065.418875][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4065.418875][ T3767] [ 4075.431880][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4075.432414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4075.432414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4075.432414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4075.432414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4075.432414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4075.432414][ T3767] ip6_route_add+0x1c/0x140 [ 4075.432414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4075.432414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.432414][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.432414][ T3767] netlink_unicast+0x449/0x710 [ 4075.432414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.432414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.432414][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.432414][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.432414][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.432414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4075.432414][ T3767] [ 4075.434497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4075.434497][ T3767] netdev_get_by_index+0x5e/0x80 [ 4075.434497][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4075.434497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4075.434497][ T3767] ip6_route_add+0x1c/0x140 [ 4075.434497][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4075.434497][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4075.434497][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4075.434497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.434497][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.434497][ T3767] netlink_unicast+0x449/0x710 [ 4075.434497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.434497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.434497][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.434497][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.434497][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.434497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4075.434497][ T3767] [ 4075.436683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4075.436683][ T3767] netdev_get_by_index+0x5e/0x80 [ 4075.436683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4075.436683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4075.436683][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4075.436683][ T3767] ipv6_add_addr+0x411/0x2000 [ 4075.436683][ T3767] inet6_addr_add+0x30e/0xa40 [ 4075.436683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4075.436683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.436683][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.436683][ T3767] netlink_unicast+0x449/0x710 [ 4075.436683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.436683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.436683][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.436683][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.436683][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.436683][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4075.436683][ T3767] [ 4075.438885][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4075.438885][ T3767] netdev_get_by_index+0x5e/0x80 [ 4075.438885][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4075.438885][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4075.438885][ T3767] ip6_route_add+0x1c/0x140 [ 4075.438885][ T3767] addrconf_add_mroute+0x129/0x180 [ 4075.438885][ T3767] addrconf_add_dev+0xe2/0x170 [ 4075.438885][ T3767] inet6_addr_add+0x12f/0xa40 [ 4075.438885][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4075.438885][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.438885][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.438885][ T3767] netlink_unicast+0x449/0x710 [ 4075.438885][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.438885][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.438885][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.438885][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.438885][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.438885][ T3767] [ 4075.441041][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4075.441041][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4075.441041][ T3767] ipv6_find_idev+0x102/0x170 [ 4075.441041][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4075.441041][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.441041][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.441041][ T3767] netlink_unicast+0x449/0x710 [ 4075.441041][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.441041][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.441041][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.441041][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.441041][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.441041][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4075.441041][ T3767] [ 4075.442718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4075.442718][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4075.442718][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4075.442718][ T3767] ipv6_find_idev+0x102/0x170 [ 4075.442718][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4075.442718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4075.442718][ T3767] netlink_rcv_skb+0x130/0x360 [ 4075.442718][ T3767] netlink_unicast+0x449/0x710 [ 4075.442718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4075.442718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4075.442718][ T3767] ___sys_sendmsg+0xee/0x170 [ 4075.442718][ T3767] __sys_sendmsg+0xcd/0x170 [ 4075.442718][ T3767] do_syscall_64+0xc6/0x1e0 [ 4075.442718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4075.442718][ T3767] [ 4085.695915][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4085.696439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4085.696439][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4085.696439][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4085.696439][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4085.696439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4085.696439][ T3767] ip6_route_add+0x1c/0x140 [ 4085.696439][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4085.696439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.696439][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.696439][ T3767] netlink_unicast+0x449/0x710 [ 4085.696439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.696439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.696439][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.696439][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.696439][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.696439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4085.696439][ T3767] [ 4085.698560][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4085.698560][ T3767] netdev_get_by_index+0x5e/0x80 [ 4085.698560][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4085.698560][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4085.698560][ T3767] ip6_route_add+0x1c/0x140 [ 4085.698560][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4085.698560][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4085.698560][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4085.698560][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.698560][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.698560][ T3767] netlink_unicast+0x449/0x710 [ 4085.698560][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.698560][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.698560][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.698560][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.698560][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.698560][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4085.698560][ T3767] [ 4085.700873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4085.700873][ T3767] netdev_get_by_index+0x5e/0x80 [ 4085.700873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4085.700873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4085.700873][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4085.700873][ T3767] ipv6_add_addr+0x411/0x2000 [ 4085.700873][ T3767] inet6_addr_add+0x30e/0xa40 [ 4085.700873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4085.700873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.700873][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.700873][ T3767] netlink_unicast+0x449/0x710 [ 4085.700873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.700873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.700873][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.700873][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.700873][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.700873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4085.700873][ T3767] [ 4085.703105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4085.703105][ T3767] netdev_get_by_index+0x5e/0x80 [ 4085.703105][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4085.703105][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4085.703105][ T3767] ip6_route_add+0x1c/0x140 [ 4085.703105][ T3767] addrconf_add_mroute+0x129/0x180 [ 4085.703105][ T3767] addrconf_add_dev+0xe2/0x170 [ 4085.703105][ T3767] inet6_addr_add+0x12f/0xa40 [ 4085.703105][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4085.703105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.703105][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.703105][ T3767] netlink_unicast+0x449/0x710 [ 4085.703105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.703105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.703105][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.703105][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.703105][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.703105][ T3767] [ 4085.705272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4085.705272][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4085.705272][ T3767] ipv6_find_idev+0x102/0x170 [ 4085.705272][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4085.705272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.705272][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.705272][ T3767] netlink_unicast+0x449/0x710 [ 4085.705272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.705272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.705272][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.705272][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.705272][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.705272][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4085.705272][ T3767] [ 4085.706985][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4085.706985][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4085.706985][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4085.706985][ T3767] ipv6_find_idev+0x102/0x170 [ 4085.706985][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4085.706985][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4085.706985][ T3767] netlink_rcv_skb+0x130/0x360 [ 4085.706985][ T3767] netlink_unicast+0x449/0x710 [ 4085.706985][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4085.706985][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4085.706985][ T3767] ___sys_sendmsg+0xee/0x170 [ 4085.706985][ T3767] __sys_sendmsg+0xcd/0x170 [ 4085.706985][ T3767] do_syscall_64+0xc6/0x1e0 [ 4085.706985][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4085.706985][ T3767] [ 4095.960038][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4095.960539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4095.960539][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4095.960539][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4095.960539][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4095.960539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4095.960539][ T3767] ip6_route_add+0x1c/0x140 [ 4095.960539][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4095.960539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.960539][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.960539][ T3767] netlink_unicast+0x449/0x710 [ 4095.960539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.960539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.960539][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.960539][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.960539][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.960539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4095.960539][ T3767] [ 4095.962637][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4095.962637][ T3767] netdev_get_by_index+0x5e/0x80 [ 4095.962637][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4095.962637][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4095.962637][ T3767] ip6_route_add+0x1c/0x140 [ 4095.962637][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4095.962637][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4095.962637][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4095.962637][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.962637][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.962637][ T3767] netlink_unicast+0x449/0x710 [ 4095.962637][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.962637][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.962637][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.962637][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.962637][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.962637][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4095.962637][ T3767] [ 4095.964825][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4095.964825][ T3767] netdev_get_by_index+0x5e/0x80 [ 4095.964825][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4095.964825][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4095.964825][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4095.964825][ T3767] ipv6_add_addr+0x411/0x2000 [ 4095.964825][ T3767] inet6_addr_add+0x30e/0xa40 [ 4095.964825][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4095.964825][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.964825][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.964825][ T3767] netlink_unicast+0x449/0x710 [ 4095.964825][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.964825][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.964825][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.964825][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.964825][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.964825][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4095.964825][ T3767] [ 4095.967012][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4095.967012][ T3767] netdev_get_by_index+0x5e/0x80 [ 4095.967012][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4095.967012][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4095.967012][ T3767] ip6_route_add+0x1c/0x140 [ 4095.967012][ T3767] addrconf_add_mroute+0x129/0x180 [ 4095.967012][ T3767] addrconf_add_dev+0xe2/0x170 [ 4095.967012][ T3767] inet6_addr_add+0x12f/0xa40 [ 4095.967012][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4095.967012][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.967012][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.967012][ T3767] netlink_unicast+0x449/0x710 [ 4095.967012][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.967012][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.967012][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.967012][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.967012][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.967012][ T3767] [ 4095.969222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4095.969222][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4095.969222][ T3767] ipv6_find_idev+0x102/0x170 [ 4095.969222][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4095.969222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.969222][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.969222][ T3767] netlink_unicast+0x449/0x710 [ 4095.969222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.969222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.969222][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.969222][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.969222][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.969222][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4095.969222][ T3767] [ 4095.970910][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4095.970910][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4095.970910][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4095.970910][ T3767] ipv6_find_idev+0x102/0x170 [ 4095.970910][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4095.970910][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4095.970910][ T3767] netlink_rcv_skb+0x130/0x360 [ 4095.970910][ T3767] netlink_unicast+0x449/0x710 [ 4095.970910][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4095.970910][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4095.970910][ T3767] ___sys_sendmsg+0xee/0x170 [ 4095.970910][ T3767] __sys_sendmsg+0xcd/0x170 [ 4095.970910][ T3767] do_syscall_64+0xc6/0x1e0 [ 4095.970910][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4095.970910][ T3767] [ 4106.136033][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4106.136606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4106.136606][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4106.136606][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4106.136606][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4106.136606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4106.136606][ T3767] ip6_route_add+0x1c/0x140 [ 4106.136606][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4106.136606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.136606][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.136606][ T3767] netlink_unicast+0x449/0x710 [ 4106.136606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.136606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.136606][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.136606][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.136606][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.136606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.136606][ T3767] [ 4106.138903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4106.138903][ T3767] netdev_get_by_index+0x5e/0x80 [ 4106.138903][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4106.138903][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4106.138903][ T3767] ip6_route_add+0x1c/0x140 [ 4106.138903][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4106.138903][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4106.138903][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.138903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.138903][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.138903][ T3767] netlink_unicast+0x449/0x710 [ 4106.138903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.138903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.138903][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.138903][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.138903][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.138903][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.138903][ T3767] [ 4106.141327][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4106.141327][ T3767] netdev_get_by_index+0x5e/0x80 [ 4106.141327][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4106.141327][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4106.141327][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4106.141327][ T3767] ipv6_add_addr+0x411/0x2000 [ 4106.141327][ T3767] inet6_addr_add+0x30e/0xa40 [ 4106.141327][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.141327][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.141327][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.141327][ T3767] netlink_unicast+0x449/0x710 [ 4106.141327][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.141327][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.141327][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.141327][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.141327][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.141327][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.141327][ T3767] [ 4106.143680][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4106.143680][ T3767] netdev_get_by_index+0x5e/0x80 [ 4106.143680][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4106.143680][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4106.143680][ T3767] ip6_route_add+0x1c/0x140 [ 4106.143680][ T3767] addrconf_add_mroute+0x129/0x180 [ 4106.143680][ T3767] addrconf_add_dev+0xe2/0x170 [ 4106.143680][ T3767] inet6_addr_add+0x12f/0xa40 [ 4106.143680][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4106.143680][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.143680][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.143680][ T3767] netlink_unicast+0x449/0x710 [ 4106.143680][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.143680][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.143680][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.143680][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.143680][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.143680][ T3767] [ 4106.145988][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4106.145988][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4106.145988][ T3767] ipv6_find_idev+0x102/0x170 [ 4106.145988][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.145988][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.145988][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.145988][ T3767] netlink_unicast+0x449/0x710 [ 4106.145988][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.145988][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.145988][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.145988][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.145988][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.145988][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.145988][ T3767] [ 4106.147693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4106.147693][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4106.147693][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4106.147693][ T3767] ipv6_find_idev+0x102/0x170 [ 4106.147693][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4106.147693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4106.147693][ T3767] netlink_rcv_skb+0x130/0x360 [ 4106.147693][ T3767] netlink_unicast+0x449/0x710 [ 4106.147693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4106.147693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4106.147693][ T3767] ___sys_sendmsg+0xee/0x170 [ 4106.147693][ T3767] __sys_sendmsg+0xcd/0x170 [ 4106.147693][ T3767] do_syscall_64+0xc6/0x1e0 [ 4106.147693][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4106.147693][ T3767] [ 4116.167985][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4116.168436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4116.168436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4116.168436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4116.168436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4116.168436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4116.168436][ T3767] ip6_route_add+0x1c/0x140 [ 4116.168436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4116.168436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.168436][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.168436][ T3767] netlink_unicast+0x449/0x710 [ 4116.168436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.168436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.168436][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.168436][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.168436][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.168436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.168436][ T3767] [ 4116.170815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4116.170815][ T3767] netdev_get_by_index+0x5e/0x80 [ 4116.170815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4116.170815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4116.170815][ T3767] ip6_route_add+0x1c/0x140 [ 4116.170815][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4116.170815][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4116.170815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.170815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.170815][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.170815][ T3767] netlink_unicast+0x449/0x710 [ 4116.170815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.170815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.170815][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.170815][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.170815][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.170815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.170815][ T3767] [ 4116.173005][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4116.173005][ T3767] netdev_get_by_index+0x5e/0x80 [ 4116.173005][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4116.173005][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4116.173005][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4116.173005][ T3767] ipv6_add_addr+0x411/0x2000 [ 4116.173005][ T3767] inet6_addr_add+0x30e/0xa40 [ 4116.173005][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.173005][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.173005][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.173005][ T3767] netlink_unicast+0x449/0x710 [ 4116.173005][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.173005][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.173005][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.173005][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.173005][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.173005][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.173005][ T3767] [ 4116.175181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4116.175181][ T3767] netdev_get_by_index+0x5e/0x80 [ 4116.175181][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4116.175181][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4116.175181][ T3767] ip6_route_add+0x1c/0x140 [ 4116.175181][ T3767] addrconf_add_mroute+0x129/0x180 [ 4116.175181][ T3767] addrconf_add_dev+0xe2/0x170 [ 4116.175181][ T3767] inet6_addr_add+0x12f/0xa40 [ 4116.175181][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4116.175181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.175181][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.175181][ T3767] netlink_unicast+0x449/0x710 [ 4116.175181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.175181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.175181][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.175181][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.175181][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.175181][ T3767] [ 4116.177343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4116.177343][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4116.177343][ T3767] ipv6_find_idev+0x102/0x170 [ 4116.177343][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.177343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.177343][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.177343][ T3767] netlink_unicast+0x449/0x710 [ 4116.177343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.177343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.177343][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.177343][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.177343][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.177343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.177343][ T3767] [ 4116.179018][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4116.179018][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4116.179018][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4116.179018][ T3767] ipv6_find_idev+0x102/0x170 [ 4116.179018][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4116.179018][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4116.179018][ T3767] netlink_rcv_skb+0x130/0x360 [ 4116.179018][ T3767] netlink_unicast+0x449/0x710 [ 4116.179018][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4116.179018][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4116.179018][ T3767] ___sys_sendmsg+0xee/0x170 [ 4116.179018][ T3767] __sys_sendmsg+0xcd/0x170 [ 4116.179018][ T3767] do_syscall_64+0xc6/0x1e0 [ 4116.179018][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4116.179018][ T3767] [ 4126.184016][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4126.184553][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4126.184553][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4126.184553][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4126.184553][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4126.184553][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4126.184553][ T3767] ip6_route_add+0x1c/0x140 [ 4126.184553][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4126.184553][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.184553][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.184553][ T3767] netlink_unicast+0x449/0x710 [ 4126.184553][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.184553][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.184553][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.184553][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.184553][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.184553][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.184553][ T3767] [ 4126.186682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4126.186682][ T3767] netdev_get_by_index+0x5e/0x80 [ 4126.186682][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4126.186682][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4126.186682][ T3767] ip6_route_add+0x1c/0x140 [ 4126.186682][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4126.186682][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4126.186682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.186682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.186682][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.186682][ T3767] netlink_unicast+0x449/0x710 [ 4126.186682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.186682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.186682][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.186682][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.186682][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.186682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.186682][ T3767] [ 4126.188887][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4126.188887][ T3767] netdev_get_by_index+0x5e/0x80 [ 4126.188887][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4126.188887][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4126.188887][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4126.188887][ T3767] ipv6_add_addr+0x411/0x2000 [ 4126.188887][ T3767] inet6_addr_add+0x30e/0xa40 [ 4126.188887][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.188887][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.188887][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.188887][ T3767] netlink_unicast+0x449/0x710 [ 4126.188887][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.188887][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.188887][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.188887][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.188887][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.188887][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.188887][ T3767] [ 4126.191075][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4126.191075][ T3767] netdev_get_by_index+0x5e/0x80 [ 4126.191075][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4126.191075][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4126.191075][ T3767] ip6_route_add+0x1c/0x140 [ 4126.191075][ T3767] addrconf_add_mroute+0x129/0x180 [ 4126.191075][ T3767] addrconf_add_dev+0xe2/0x170 [ 4126.191075][ T3767] inet6_addr_add+0x12f/0xa40 [ 4126.191075][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4126.191075][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.191075][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.191075][ T3767] netlink_unicast+0x449/0x710 [ 4126.191075][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.191075][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.191075][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.191075][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.191075][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.191075][ T3767] [ 4126.193222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4126.193222][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4126.193222][ T3767] ipv6_find_idev+0x102/0x170 [ 4126.193222][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4126.193222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.193222][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.193222][ T3767] netlink_unicast+0x449/0x710 [ 4126.193222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.193222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.193222][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.193222][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.193222][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.193222][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.193222][ T3767] [ 4126.194906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4126.194906][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4126.194906][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4126.194906][ T3767] ipv6_find_idev+0x102/0x170 [ 4126.194906][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4126.194906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4126.194906][ T3767] netlink_rcv_skb+0x130/0x360 [ 4126.194906][ T3767] netlink_unicast+0x449/0x710 [ 4126.194906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4126.194906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4126.194906][ T3767] ___sys_sendmsg+0xee/0x170 [ 4126.194906][ T3767] __sys_sendmsg+0xcd/0x170 [ 4126.194906][ T3767] do_syscall_64+0xc6/0x1e0 [ 4126.194906][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4126.194906][ T3767] [ 4136.432020][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4136.432500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4136.432500][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4136.432500][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4136.432500][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4136.432500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4136.432500][ T3767] ip6_route_add+0x1c/0x140 [ 4136.432500][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4136.432500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.432500][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.432500][ T3767] netlink_unicast+0x449/0x710 [ 4136.432500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.432500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.432500][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.432500][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.432500][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.432500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.432500][ T3767] [ 4136.434692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4136.434692][ T3767] netdev_get_by_index+0x5e/0x80 [ 4136.434692][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4136.434692][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4136.434692][ T3767] ip6_route_add+0x1c/0x140 [ 4136.434692][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4136.434692][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4136.434692][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.434692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.434692][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.434692][ T3767] netlink_unicast+0x449/0x710 [ 4136.434692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.434692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.434692][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.434692][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.434692][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.434692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.434692][ T3767] [ 4136.436890][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4136.436890][ T3767] netdev_get_by_index+0x5e/0x80 [ 4136.436890][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4136.436890][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4136.436890][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4136.436890][ T3767] ipv6_add_addr+0x411/0x2000 [ 4136.436890][ T3767] inet6_addr_add+0x30e/0xa40 [ 4136.436890][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.436890][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.436890][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.436890][ T3767] netlink_unicast+0x449/0x710 [ 4136.436890][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.436890][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.436890][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.436890][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.436890][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.436890][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.436890][ T3767] [ 4136.439104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4136.439104][ T3767] netdev_get_by_index+0x5e/0x80 [ 4136.439104][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4136.439104][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4136.439104][ T3767] ip6_route_add+0x1c/0x140 [ 4136.439104][ T3767] addrconf_add_mroute+0x129/0x180 [ 4136.439104][ T3767] addrconf_add_dev+0xe2/0x170 [ 4136.439104][ T3767] inet6_addr_add+0x12f/0xa40 [ 4136.439104][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4136.439104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.439104][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.439104][ T3767] netlink_unicast+0x449/0x710 [ 4136.439104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.439104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.439104][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.439104][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.439104][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.439104][ T3767] [ 4136.441252][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4136.441252][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4136.441252][ T3767] ipv6_find_idev+0x102/0x170 [ 4136.441252][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4136.441252][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.441252][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.441252][ T3767] netlink_unicast+0x449/0x710 [ 4136.441252][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.441252][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.441252][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.441252][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.441252][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.441252][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.441252][ T3767] [ 4136.442937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4136.442937][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4136.442937][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4136.442937][ T3767] ipv6_find_idev+0x102/0x170 [ 4136.442937][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4136.442937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4136.442937][ T3767] netlink_rcv_skb+0x130/0x360 [ 4136.442937][ T3767] netlink_unicast+0x449/0x710 [ 4136.442937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4136.442937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4136.442937][ T3767] ___sys_sendmsg+0xee/0x170 [ 4136.442937][ T3767] __sys_sendmsg+0xcd/0x170 [ 4136.442937][ T3767] do_syscall_64+0xc6/0x1e0 [ 4136.442937][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4136.442937][ T3767] [ 4146.679964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4146.680441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4146.680441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4146.680441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4146.680441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4146.680441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4146.680441][ T3767] ip6_route_add+0x1c/0x140 [ 4146.680441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4146.680441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.680441][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.680441][ T3767] netlink_unicast+0x449/0x710 [ 4146.680441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.680441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.680441][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.680441][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.680441][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.680441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4146.680441][ T3767] [ 4146.682531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4146.682531][ T3767] netdev_get_by_index+0x5e/0x80 [ 4146.682531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4146.682531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4146.682531][ T3767] ip6_route_add+0x1c/0x140 [ 4146.682531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4146.682531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4146.682531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4146.682531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.682531][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.682531][ T3767] netlink_unicast+0x449/0x710 [ 4146.682531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.682531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.682531][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.682531][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.682531][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.682531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4146.682531][ T3767] [ 4146.684734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4146.684734][ T3767] netdev_get_by_index+0x5e/0x80 [ 4146.684734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4146.684734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4146.684734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4146.684734][ T3767] ipv6_add_addr+0x411/0x2000 [ 4146.684734][ T3767] inet6_addr_add+0x30e/0xa40 [ 4146.684734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4146.684734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.684734][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.684734][ T3767] netlink_unicast+0x449/0x710 [ 4146.684734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.684734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.684734][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.684734][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.684734][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.684734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4146.684734][ T3767] [ 4146.686936][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4146.686936][ T3767] netdev_get_by_index+0x5e/0x80 [ 4146.686936][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4146.686936][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4146.686936][ T3767] ip6_route_add+0x1c/0x140 [ 4146.686936][ T3767] addrconf_add_mroute+0x129/0x180 [ 4146.686936][ T3767] addrconf_add_dev+0xe2/0x170 [ 4146.686936][ T3767] inet6_addr_add+0x12f/0xa40 [ 4146.686936][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4146.686936][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.686936][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.686936][ T3767] netlink_unicast+0x449/0x710 [ 4146.686936][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.686936][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.686936][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.686936][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.686936][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.686936][ T3767] [ 4146.689104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4146.689104][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4146.689104][ T3767] ipv6_find_idev+0x102/0x170 [ 4146.689104][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4146.689104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.689104][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.689104][ T3767] netlink_unicast+0x449/0x710 [ 4146.689104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.689104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.689104][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.689104][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.689104][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.689104][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4146.689104][ T3767] [ 4146.690798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4146.690798][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4146.690798][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4146.690798][ T3767] ipv6_find_idev+0x102/0x170 [ 4146.690798][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4146.690798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4146.690798][ T3767] netlink_rcv_skb+0x130/0x360 [ 4146.690798][ T3767] netlink_unicast+0x449/0x710 [ 4146.690798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4146.690798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4146.690798][ T3767] ___sys_sendmsg+0xee/0x170 [ 4146.690798][ T3767] __sys_sendmsg+0xcd/0x170 [ 4146.690798][ T3767] do_syscall_64+0xc6/0x1e0 [ 4146.690798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4146.690798][ T3767] [ 4156.927901][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4156.928375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4156.928375][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4156.928375][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4156.928375][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4156.928375][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4156.928375][ T3767] ip6_route_add+0x1c/0x140 [ 4156.928375][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4156.928375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.928375][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.928375][ T3767] netlink_unicast+0x449/0x710 [ 4156.928375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.928375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.928375][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.928375][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.928375][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.928375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4156.928375][ T3767] [ 4156.930645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4156.930645][ T3767] netdev_get_by_index+0x5e/0x80 [ 4156.930645][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4156.930645][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4156.930645][ T3767] ip6_route_add+0x1c/0x140 [ 4156.930645][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4156.930645][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4156.930645][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4156.930645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.930645][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.930645][ T3767] netlink_unicast+0x449/0x710 [ 4156.930645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.930645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.930645][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.930645][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.930645][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.930645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4156.930645][ T3767] [ 4156.933038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4156.933038][ T3767] netdev_get_by_index+0x5e/0x80 [ 4156.933038][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4156.933038][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4156.933038][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4156.933038][ T3767] ipv6_add_addr+0x411/0x2000 [ 4156.933038][ T3767] inet6_addr_add+0x30e/0xa40 [ 4156.933038][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4156.933038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.933038][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.933038][ T3767] netlink_unicast+0x449/0x710 [ 4156.933038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.933038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.933038][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.933038][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.933038][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.933038][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4156.933038][ T3767] [ 4156.935422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4156.935422][ T3767] netdev_get_by_index+0x5e/0x80 [ 4156.935422][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4156.935422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4156.935422][ T3767] ip6_route_add+0x1c/0x140 [ 4156.935422][ T3767] addrconf_add_mroute+0x129/0x180 [ 4156.935422][ T3767] addrconf_add_dev+0xe2/0x170 [ 4156.935422][ T3767] inet6_addr_add+0x12f/0xa40 [ 4156.935422][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4156.935422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.935422][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.935422][ T3767] netlink_unicast+0x449/0x710 [ 4156.935422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.935422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.935422][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.935422][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.935422][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.935422][ T3767] [ 4156.937770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4156.937770][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4156.937770][ T3767] ipv6_find_idev+0x102/0x170 [ 4156.937770][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4156.937770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.937770][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.937770][ T3767] netlink_unicast+0x449/0x710 [ 4156.937770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.937770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.937770][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.937770][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.937770][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.937770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4156.937770][ T3767] [ 4156.939596][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4156.939596][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4156.939596][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4156.939596][ T3767] ipv6_find_idev+0x102/0x170 [ 4156.939596][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4156.939596][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4156.939596][ T3767] netlink_rcv_skb+0x130/0x360 [ 4156.939596][ T3767] netlink_unicast+0x449/0x710 [ 4156.939596][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4156.939596][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4156.939596][ T3767] ___sys_sendmsg+0xee/0x170 [ 4156.939596][ T3767] __sys_sendmsg+0xcd/0x170 [ 4156.939596][ T3767] do_syscall_64+0xc6/0x1e0 [ 4156.939596][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4156.939596][ T3767] [ 4167.184057][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4167.184512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4167.184512][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4167.184512][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4167.184512][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4167.184512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4167.184512][ T3767] ip6_route_add+0x1c/0x140 [ 4167.184512][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4167.184512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.184512][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.184512][ T3767] netlink_unicast+0x449/0x710 [ 4167.184512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.184512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.184512][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.184512][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.184512][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.184512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.184512][ T3767] [ 4167.186606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4167.186606][ T3767] netdev_get_by_index+0x5e/0x80 [ 4167.186606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4167.186606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4167.186606][ T3767] ip6_route_add+0x1c/0x140 [ 4167.186606][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4167.186606][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4167.186606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.186606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.186606][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.186606][ T3767] netlink_unicast+0x449/0x710 [ 4167.186606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.186606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.186606][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.186606][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.186606][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.186606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.186606][ T3767] [ 4167.188810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4167.188810][ T3767] netdev_get_by_index+0x5e/0x80 [ 4167.188810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4167.188810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4167.188810][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4167.188810][ T3767] ipv6_add_addr+0x411/0x2000 [ 4167.188810][ T3767] inet6_addr_add+0x30e/0xa40 [ 4167.188810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.188810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.188810][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.188810][ T3767] netlink_unicast+0x449/0x710 [ 4167.188810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.188810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.188810][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.188810][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.188810][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.188810][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.188810][ T3767] [ 4167.191000][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4167.191000][ T3767] netdev_get_by_index+0x5e/0x80 [ 4167.191000][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4167.191000][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4167.191000][ T3767] ip6_route_add+0x1c/0x140 [ 4167.191000][ T3767] addrconf_add_mroute+0x129/0x180 [ 4167.191000][ T3767] addrconf_add_dev+0xe2/0x170 [ 4167.191000][ T3767] inet6_addr_add+0x12f/0xa40 [ 4167.191000][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4167.191000][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.191000][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.191000][ T3767] netlink_unicast+0x449/0x710 [ 4167.191000][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.191000][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.191000][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.191000][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.191000][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.191000][ T3767] [ 4167.193154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4167.193154][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4167.193154][ T3767] ipv6_find_idev+0x102/0x170 [ 4167.193154][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4167.193154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.193154][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.193154][ T3767] netlink_unicast+0x449/0x710 [ 4167.193154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.193154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.193154][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.193154][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.193154][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.193154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.193154][ T3767] [ 4167.194853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4167.194853][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4167.194853][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4167.194853][ T3767] ipv6_find_idev+0x102/0x170 [ 4167.194853][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4167.194853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4167.194853][ T3767] netlink_rcv_skb+0x130/0x360 [ 4167.194853][ T3767] netlink_unicast+0x449/0x710 [ 4167.194853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4167.194853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4167.194853][ T3767] ___sys_sendmsg+0xee/0x170 [ 4167.194853][ T3767] __sys_sendmsg+0xcd/0x170 [ 4167.194853][ T3767] do_syscall_64+0xc6/0x1e0 [ 4167.194853][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4167.194853][ T3767] [ 4177.407948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4177.408456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4177.408456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4177.408456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4177.408456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4177.408456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4177.408456][ T3767] ip6_route_add+0x1c/0x140 [ 4177.408456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4177.408456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.408456][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.408456][ T3767] netlink_unicast+0x449/0x710 [ 4177.408456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.408456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.408456][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.408456][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.408456][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.408456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.408456][ T3767] [ 4177.410536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4177.410536][ T3767] netdev_get_by_index+0x5e/0x80 [ 4177.410536][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4177.410536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4177.410536][ T3767] ip6_route_add+0x1c/0x140 [ 4177.410536][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4177.410536][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4177.410536][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.410536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.410536][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.410536][ T3767] netlink_unicast+0x449/0x710 [ 4177.410536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.410536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.410536][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.410536][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.410536][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.410536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.410536][ T3767] [ 4177.412838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4177.412838][ T3767] netdev_get_by_index+0x5e/0x80 [ 4177.412838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4177.412838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4177.412838][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4177.412838][ T3767] ipv6_add_addr+0x411/0x2000 [ 4177.412838][ T3767] inet6_addr_add+0x30e/0xa40 [ 4177.412838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.412838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.412838][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.412838][ T3767] netlink_unicast+0x449/0x710 [ 4177.412838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.412838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.412838][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.412838][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.412838][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.412838][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.412838][ T3767] [ 4177.415055][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4177.415055][ T3767] netdev_get_by_index+0x5e/0x80 [ 4177.415055][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4177.415055][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4177.415055][ T3767] ip6_route_add+0x1c/0x140 [ 4177.415055][ T3767] addrconf_add_mroute+0x129/0x180 [ 4177.415055][ T3767] addrconf_add_dev+0xe2/0x170 [ 4177.415055][ T3767] inet6_addr_add+0x12f/0xa40 [ 4177.415055][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4177.415055][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.415055][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.415055][ T3767] netlink_unicast+0x449/0x710 [ 4177.415055][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.415055][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.415055][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.415055][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.415055][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.415055][ T3767] [ 4177.417226][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4177.417226][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4177.417226][ T3767] ipv6_find_idev+0x102/0x170 [ 4177.417226][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4177.417226][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.417226][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.417226][ T3767] netlink_unicast+0x449/0x710 [ 4177.417226][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.417226][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.417226][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.417226][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.417226][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.417226][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.417226][ T3767] [ 4177.418941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4177.418941][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4177.418941][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4177.418941][ T3767] ipv6_find_idev+0x102/0x170 [ 4177.418941][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4177.418941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4177.418941][ T3767] netlink_rcv_skb+0x130/0x360 [ 4177.418941][ T3767] netlink_unicast+0x449/0x710 [ 4177.418941][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4177.418941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4177.418941][ T3767] ___sys_sendmsg+0xee/0x170 [ 4177.418941][ T3767] __sys_sendmsg+0xcd/0x170 [ 4177.418941][ T3767] do_syscall_64+0xc6/0x1e0 [ 4177.418941][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4177.418941][ T3767] [ 4187.447892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4187.448404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4187.448404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4187.448404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4187.448404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4187.448404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4187.448404][ T3767] ip6_route_add+0x1c/0x140 [ 4187.448404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4187.448404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.448404][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.448404][ T3767] netlink_unicast+0x449/0x710 [ 4187.448404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.448404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.448404][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.448404][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.448404][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.448404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4187.448404][ T3767] [ 4187.451027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4187.451027][ T3767] netdev_get_by_index+0x5e/0x80 [ 4187.451027][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4187.451027][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4187.451027][ T3767] ip6_route_add+0x1c/0x140 [ 4187.451027][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4187.451027][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4187.451027][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4187.451027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.451027][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.451027][ T3767] netlink_unicast+0x449/0x710 [ 4187.451027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.451027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.451027][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.451027][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.451027][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.451027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4187.451027][ T3767] [ 4187.453216][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4187.453216][ T3767] netdev_get_by_index+0x5e/0x80 [ 4187.453216][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4187.453216][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4187.453216][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4187.453216][ T3767] ipv6_add_addr+0x411/0x2000 [ 4187.453216][ T3767] inet6_addr_add+0x30e/0xa40 [ 4187.453216][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4187.453216][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.453216][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.453216][ T3767] netlink_unicast+0x449/0x710 [ 4187.453216][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.453216][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.453216][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.453216][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.453216][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.453216][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4187.453216][ T3767] [ 4187.455407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4187.455407][ T3767] netdev_get_by_index+0x5e/0x80 [ 4187.455407][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4187.455407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4187.455407][ T3767] ip6_route_add+0x1c/0x140 [ 4187.455407][ T3767] addrconf_add_mroute+0x129/0x180 [ 4187.455407][ T3767] addrconf_add_dev+0xe2/0x170 [ 4187.455407][ T3767] inet6_addr_add+0x12f/0xa40 [ 4187.455407][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4187.455407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.455407][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.455407][ T3767] netlink_unicast+0x449/0x710 [ 4187.455407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.455407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.455407][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.455407][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.455407][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.455407][ T3767] [ 4187.457565][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4187.457565][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4187.457565][ T3767] ipv6_find_idev+0x102/0x170 [ 4187.457565][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4187.457565][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.457565][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.457565][ T3767] netlink_unicast+0x449/0x710 [ 4187.457565][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.457565][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.457565][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.457565][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.457565][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.457565][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4187.457565][ T3767] [ 4187.459247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4187.459247][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4187.459247][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4187.459247][ T3767] ipv6_find_idev+0x102/0x170 [ 4187.459247][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4187.459247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4187.459247][ T3767] netlink_rcv_skb+0x130/0x360 [ 4187.459247][ T3767] netlink_unicast+0x449/0x710 [ 4187.459247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4187.459247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4187.459247][ T3767] ___sys_sendmsg+0xee/0x170 [ 4187.459247][ T3767] __sys_sendmsg+0xcd/0x170 [ 4187.459247][ T3767] do_syscall_64+0xc6/0x1e0 [ 4187.459247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4187.459247][ T3767] [ 4197.703921][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4197.704435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4197.704435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4197.704435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4197.704435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4197.704435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4197.704435][ T3767] ip6_route_add+0x1c/0x140 [ 4197.704435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4197.704435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.704435][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.704435][ T3767] netlink_unicast+0x449/0x710 [ 4197.704435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.704435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.704435][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.704435][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.704435][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.704435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4197.704435][ T3767] [ 4197.706541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4197.706541][ T3767] netdev_get_by_index+0x5e/0x80 [ 4197.706541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4197.706541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4197.706541][ T3767] ip6_route_add+0x1c/0x140 [ 4197.706541][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4197.706541][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4197.706541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4197.706541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.706541][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.706541][ T3767] netlink_unicast+0x449/0x710 [ 4197.706541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.706541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.706541][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.706541][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.706541][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.706541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4197.706541][ T3767] [ 4197.708755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4197.708755][ T3767] netdev_get_by_index+0x5e/0x80 [ 4197.708755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4197.708755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4197.708755][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4197.708755][ T3767] ipv6_add_addr+0x411/0x2000 [ 4197.708755][ T3767] inet6_addr_add+0x30e/0xa40 [ 4197.708755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4197.708755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.708755][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.708755][ T3767] netlink_unicast+0x449/0x710 [ 4197.708755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.708755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.708755][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.708755][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.708755][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.708755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4197.708755][ T3767] [ 4197.710961][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4197.710961][ T3767] netdev_get_by_index+0x5e/0x80 [ 4197.710961][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4197.710961][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4197.710961][ T3767] ip6_route_add+0x1c/0x140 [ 4197.710961][ T3767] addrconf_add_mroute+0x129/0x180 [ 4197.710961][ T3767] addrconf_add_dev+0xe2/0x170 [ 4197.710961][ T3767] inet6_addr_add+0x12f/0xa40 [ 4197.710961][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4197.710961][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.710961][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.710961][ T3767] netlink_unicast+0x449/0x710 [ 4197.710961][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.710961][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.710961][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.710961][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.710961][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.710961][ T3767] [ 4197.713129][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4197.713129][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4197.713129][ T3767] ipv6_find_idev+0x102/0x170 [ 4197.713129][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4197.713129][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.713129][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.713129][ T3767] netlink_unicast+0x449/0x710 [ 4197.713129][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.713129][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.713129][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.713129][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.713129][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.713129][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4197.713129][ T3767] [ 4197.714831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4197.714831][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4197.714831][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4197.714831][ T3767] ipv6_find_idev+0x102/0x170 [ 4197.714831][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4197.714831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4197.714831][ T3767] netlink_rcv_skb+0x130/0x360 [ 4197.714831][ T3767] netlink_unicast+0x449/0x710 [ 4197.714831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4197.714831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4197.714831][ T3767] ___sys_sendmsg+0xee/0x170 [ 4197.714831][ T3767] __sys_sendmsg+0xcd/0x170 [ 4197.714831][ T3767] do_syscall_64+0xc6/0x1e0 [ 4197.714831][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4197.714831][ T3767] [ 4207.799893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4207.800391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4207.800391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4207.800391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4207.800391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4207.800391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4207.800391][ T3767] ip6_route_add+0x1c/0x140 [ 4207.800391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4207.800391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.800391][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.800391][ T3767] netlink_unicast+0x449/0x710 [ 4207.800391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.800391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.800391][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.800391][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.800391][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.800391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4207.800391][ T3767] [ 4207.802500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4207.802500][ T3767] netdev_get_by_index+0x5e/0x80 [ 4207.802500][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4207.802500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4207.802500][ T3767] ip6_route_add+0x1c/0x140 [ 4207.802500][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4207.802500][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4207.802500][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4207.802500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.802500][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.802500][ T3767] netlink_unicast+0x449/0x710 [ 4207.802500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.802500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.802500][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.802500][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.802500][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.802500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4207.802500][ T3767] [ 4207.804859][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4207.804859][ T3767] netdev_get_by_index+0x5e/0x80 [ 4207.804859][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4207.804859][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4207.804859][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4207.804859][ T3767] ipv6_add_addr+0x411/0x2000 [ 4207.804859][ T3767] inet6_addr_add+0x30e/0xa40 [ 4207.804859][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4207.804859][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.804859][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.804859][ T3767] netlink_unicast+0x449/0x710 [ 4207.804859][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.804859][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.804859][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.804859][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.804859][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.804859][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4207.804859][ T3767] [ 4207.807086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4207.807086][ T3767] netdev_get_by_index+0x5e/0x80 [ 4207.807086][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4207.807086][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4207.807086][ T3767] ip6_route_add+0x1c/0x140 [ 4207.807086][ T3767] addrconf_add_mroute+0x129/0x180 [ 4207.807086][ T3767] addrconf_add_dev+0xe2/0x170 [ 4207.807086][ T3767] inet6_addr_add+0x12f/0xa40 [ 4207.807086][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4207.807086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.807086][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.807086][ T3767] netlink_unicast+0x449/0x710 [ 4207.807086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.807086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.807086][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.807086][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.807086][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.807086][ T3767] [ 4207.809241][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4207.809241][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4207.809241][ T3767] ipv6_find_idev+0x102/0x170 [ 4207.809241][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4207.809241][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.809241][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.809241][ T3767] netlink_unicast+0x449/0x710 [ 4207.809241][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.809241][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.809241][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.809241][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.809241][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.809241][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4207.809241][ T3767] [ 4207.811099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4207.811099][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4207.811099][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4207.811099][ T3767] ipv6_find_idev+0x102/0x170 [ 4207.811099][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4207.811099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4207.811099][ T3767] netlink_rcv_skb+0x130/0x360 [ 4207.811099][ T3767] netlink_unicast+0x449/0x710 [ 4207.811099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4207.811099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4207.811099][ T3767] ___sys_sendmsg+0xee/0x170 [ 4207.811099][ T3767] __sys_sendmsg+0xcd/0x170 [ 4207.811099][ T3767] do_syscall_64+0xc6/0x1e0 [ 4207.811099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4207.811099][ T3767] [ 4218.056000][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4218.056560][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4218.056560][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4218.056560][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4218.056560][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4218.056560][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4218.056560][ T3767] ip6_route_add+0x1c/0x140 [ 4218.056560][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4218.056560][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.056560][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.056560][ T3767] netlink_unicast+0x449/0x710 [ 4218.056560][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.056560][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.056560][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.056560][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.056560][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.056560][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.056560][ T3767] [ 4218.058855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4218.058855][ T3767] netdev_get_by_index+0x5e/0x80 [ 4218.058855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4218.058855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4218.058855][ T3767] ip6_route_add+0x1c/0x140 [ 4218.058855][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4218.058855][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4218.058855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.058855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.058855][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.058855][ T3767] netlink_unicast+0x449/0x710 [ 4218.058855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.058855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.058855][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.058855][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.058855][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.058855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.058855][ T3767] [ 4218.061257][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4218.061257][ T3767] netdev_get_by_index+0x5e/0x80 [ 4218.061257][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4218.061257][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4218.061257][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4218.061257][ T3767] ipv6_add_addr+0x411/0x2000 [ 4218.061257][ T3767] inet6_addr_add+0x30e/0xa40 [ 4218.061257][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.061257][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.061257][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.061257][ T3767] netlink_unicast+0x449/0x710 [ 4218.061257][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.061257][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.061257][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.061257][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.061257][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.061257][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.061257][ T3767] [ 4218.063672][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4218.063672][ T3767] netdev_get_by_index+0x5e/0x80 [ 4218.063672][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4218.063672][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4218.063672][ T3767] ip6_route_add+0x1c/0x140 [ 4218.063672][ T3767] addrconf_add_mroute+0x129/0x180 [ 4218.063672][ T3767] addrconf_add_dev+0xe2/0x170 [ 4218.063672][ T3767] inet6_addr_add+0x12f/0xa40 [ 4218.063672][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4218.063672][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.063672][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.063672][ T3767] netlink_unicast+0x449/0x710 [ 4218.063672][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.063672][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.063672][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.063672][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.063672][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.063672][ T3767] [ 4218.066024][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4218.066024][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4218.066024][ T3767] ipv6_find_idev+0x102/0x170 [ 4218.066024][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4218.066024][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.066024][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.066024][ T3767] netlink_unicast+0x449/0x710 [ 4218.066024][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.066024][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.066024][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.066024][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.066024][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.066024][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.066024][ T3767] [ 4218.067881][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4218.067881][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4218.067881][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4218.067881][ T3767] ipv6_find_idev+0x102/0x170 [ 4218.067881][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4218.067881][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4218.067881][ T3767] netlink_rcv_skb+0x130/0x360 [ 4218.067881][ T3767] netlink_unicast+0x449/0x710 [ 4218.067881][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4218.067881][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4218.067881][ T3767] ___sys_sendmsg+0xee/0x170 [ 4218.067881][ T3767] __sys_sendmsg+0xcd/0x170 [ 4218.067881][ T3767] do_syscall_64+0xc6/0x1e0 [ 4218.067881][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4218.067881][ T3767] [ 4228.311859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4228.312284][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4228.312284][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4228.312284][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4228.312284][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4228.312284][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4228.312284][ T3767] ip6_route_add+0x1c/0x140 [ 4228.312284][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4228.312284][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.312284][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.312284][ T3767] netlink_unicast+0x449/0x710 [ 4228.312284][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.312284][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.312284][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.312284][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.312284][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.312284][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4228.312284][ T3767] [ 4228.314582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4228.314582][ T3767] netdev_get_by_index+0x5e/0x80 [ 4228.314582][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4228.314582][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4228.314582][ T3767] ip6_route_add+0x1c/0x140 [ 4228.314582][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4228.314582][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4228.314582][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4228.314582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.314582][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.314582][ T3767] netlink_unicast+0x449/0x710 [ 4228.314582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.314582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.314582][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.314582][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.314582][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.314582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4228.314582][ T3767] [ 4228.317001][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4228.317001][ T3767] netdev_get_by_index+0x5e/0x80 [ 4228.317001][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4228.317001][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4228.317001][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4228.317001][ T3767] ipv6_add_addr+0x411/0x2000 [ 4228.317001][ T3767] inet6_addr_add+0x30e/0xa40 [ 4228.317001][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4228.317001][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.317001][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.317001][ T3767] netlink_unicast+0x449/0x710 [ 4228.317001][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.317001][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.317001][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.317001][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.317001][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.317001][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4228.317001][ T3767] [ 4228.319423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4228.319423][ T3767] netdev_get_by_index+0x5e/0x80 [ 4228.319423][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4228.319423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4228.319423][ T3767] ip6_route_add+0x1c/0x140 [ 4228.319423][ T3767] addrconf_add_mroute+0x129/0x180 [ 4228.319423][ T3767] addrconf_add_dev+0xe2/0x170 [ 4228.319423][ T3767] inet6_addr_add+0x12f/0xa40 [ 4228.319423][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4228.319423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.319423][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.319423][ T3767] netlink_unicast+0x449/0x710 [ 4228.319423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.319423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.319423][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.319423][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.319423][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.319423][ T3767] [ 4228.321807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4228.321807][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4228.321807][ T3767] ipv6_find_idev+0x102/0x170 [ 4228.321807][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4228.321807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.321807][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.321807][ T3767] netlink_unicast+0x449/0x710 [ 4228.321807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.321807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.321807][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.321807][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.321807][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.321807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4228.321807][ T3767] [ 4228.323649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4228.323649][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4228.323649][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4228.323649][ T3767] ipv6_find_idev+0x102/0x170 [ 4228.323649][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4228.323649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4228.323649][ T3767] netlink_rcv_skb+0x130/0x360 [ 4228.323649][ T3767] netlink_unicast+0x449/0x710 [ 4228.323649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4228.323649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4228.323649][ T3767] ___sys_sendmsg+0xee/0x170 [ 4228.323649][ T3767] __sys_sendmsg+0xcd/0x170 [ 4228.323649][ T3767] do_syscall_64+0xc6/0x1e0 [ 4228.323649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4228.323649][ T3767] [ 4238.495919][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4238.496345][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4238.496345][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4238.496345][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4238.496345][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4238.496345][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4238.496345][ T3767] ip6_route_add+0x1c/0x140 [ 4238.496345][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4238.496345][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.496345][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.496345][ T3767] netlink_unicast+0x449/0x710 [ 4238.496345][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.496345][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.496345][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.496345][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.496345][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.496345][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4238.496345][ T3767] [ 4238.498675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4238.498675][ T3767] netdev_get_by_index+0x5e/0x80 [ 4238.498675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4238.498675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4238.498675][ T3767] ip6_route_add+0x1c/0x140 [ 4238.498675][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4238.498675][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4238.498675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4238.498675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.498675][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.498675][ T3767] netlink_unicast+0x449/0x710 [ 4238.498675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.498675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.498675][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.498675][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.498675][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.498675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4238.498675][ T3767] [ 4238.500916][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4238.500916][ T3767] netdev_get_by_index+0x5e/0x80 [ 4238.500916][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4238.500916][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4238.500916][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4238.500916][ T3767] ipv6_add_addr+0x411/0x2000 [ 4238.500916][ T3767] inet6_addr_add+0x30e/0xa40 [ 4238.500916][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4238.500916][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.500916][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.500916][ T3767] netlink_unicast+0x449/0x710 [ 4238.500916][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.500916][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.500916][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.500916][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.500916][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.500916][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4238.500916][ T3767] [ 4238.503160][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4238.503160][ T3767] netdev_get_by_index+0x5e/0x80 [ 4238.503160][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4238.503160][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4238.503160][ T3767] ip6_route_add+0x1c/0x140 [ 4238.503160][ T3767] addrconf_add_mroute+0x129/0x180 [ 4238.503160][ T3767] addrconf_add_dev+0xe2/0x170 [ 4238.503160][ T3767] inet6_addr_add+0x12f/0xa40 [ 4238.503160][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4238.503160][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.503160][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.503160][ T3767] netlink_unicast+0x449/0x710 [ 4238.503160][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.503160][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.503160][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.503160][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.503160][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.503160][ T3767] [ 4238.505346][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4238.505346][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4238.505346][ T3767] ipv6_find_idev+0x102/0x170 [ 4238.505346][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4238.505346][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.505346][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.505346][ T3767] netlink_unicast+0x449/0x710 [ 4238.505346][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.505346][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.505346][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.505346][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.505346][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.505346][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4238.505346][ T3767] [ 4238.507070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4238.507070][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4238.507070][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4238.507070][ T3767] ipv6_find_idev+0x102/0x170 [ 4238.507070][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4238.507070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4238.507070][ T3767] netlink_rcv_skb+0x130/0x360 [ 4238.507070][ T3767] netlink_unicast+0x449/0x710 [ 4238.507070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4238.507070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4238.507070][ T3767] ___sys_sendmsg+0xee/0x170 [ 4238.507070][ T3767] __sys_sendmsg+0xcd/0x170 [ 4238.507070][ T3767] do_syscall_64+0xc6/0x1e0 [ 4238.507070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4238.507070][ T3767] [ 4248.751968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4248.752394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4248.752394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4248.752394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4248.752394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4248.752394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4248.752394][ T3767] ip6_route_add+0x1c/0x140 [ 4248.752394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4248.752394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.752394][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.752394][ T3767] netlink_unicast+0x449/0x710 [ 4248.752394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.752394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.752394][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.752394][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.752394][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.752394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4248.752394][ T3767] [ 4248.754488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4248.754488][ T3767] netdev_get_by_index+0x5e/0x80 [ 4248.754488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4248.754488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4248.754488][ T3767] ip6_route_add+0x1c/0x140 [ 4248.754488][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4248.754488][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4248.754488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4248.754488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.754488][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.754488][ T3767] netlink_unicast+0x449/0x710 [ 4248.754488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.754488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.754488][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.754488][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.754488][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.754488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4248.754488][ T3767] [ 4248.756725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4248.756725][ T3767] netdev_get_by_index+0x5e/0x80 [ 4248.756725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4248.756725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4248.756725][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4248.756725][ T3767] ipv6_add_addr+0x411/0x2000 [ 4248.756725][ T3767] inet6_addr_add+0x30e/0xa40 [ 4248.756725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4248.756725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.756725][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.756725][ T3767] netlink_unicast+0x449/0x710 [ 4248.756725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.756725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.756725][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.756725][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.756725][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.756725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4248.756725][ T3767] [ 4248.758941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4248.758941][ T3767] netdev_get_by_index+0x5e/0x80 [ 4248.758941][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4248.758941][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4248.758941][ T3767] ip6_route_add+0x1c/0x140 [ 4248.758941][ T3767] addrconf_add_mroute+0x129/0x180 [ 4248.758941][ T3767] addrconf_add_dev+0xe2/0x170 [ 4248.758941][ T3767] inet6_addr_add+0x12f/0xa40 [ 4248.758941][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4248.758941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.758941][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.758941][ T3767] netlink_unicast+0x449/0x710 [ 4248.758941][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.758941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.758941][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.758941][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.758941][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.758941][ T3767] [ 4248.761115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4248.761115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4248.761115][ T3767] ipv6_find_idev+0x102/0x170 [ 4248.761115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4248.761115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.761115][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.761115][ T3767] netlink_unicast+0x449/0x710 [ 4248.761115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.761115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.761115][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.761115][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.761115][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.761115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4248.761115][ T3767] [ 4248.762826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4248.762826][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4248.762826][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4248.762826][ T3767] ipv6_find_idev+0x102/0x170 [ 4248.762826][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4248.762826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4248.762826][ T3767] netlink_rcv_skb+0x130/0x360 [ 4248.762826][ T3767] netlink_unicast+0x449/0x710 [ 4248.762826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4248.762826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4248.762826][ T3767] ___sys_sendmsg+0xee/0x170 [ 4248.762826][ T3767] __sys_sendmsg+0xcd/0x170 [ 4248.762826][ T3767] do_syscall_64+0xc6/0x1e0 [ 4248.762826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4248.762826][ T3767] [ 4259.007961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4259.008477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4259.008477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4259.008477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4259.008477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4259.008477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4259.008477][ T3767] ip6_route_add+0x1c/0x140 [ 4259.008477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4259.008477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.008477][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.008477][ T3767] netlink_unicast+0x449/0x710 [ 4259.008477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.008477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.008477][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.008477][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.008477][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.008477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.008477][ T3767] [ 4259.010615][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4259.010615][ T3767] netdev_get_by_index+0x5e/0x80 [ 4259.010615][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4259.010615][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4259.010615][ T3767] ip6_route_add+0x1c/0x140 [ 4259.010615][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4259.010615][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4259.010615][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.010615][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.010615][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.010615][ T3767] netlink_unicast+0x449/0x710 [ 4259.010615][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.010615][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.010615][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.010615][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.010615][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.010615][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.010615][ T3767] [ 4259.012846][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4259.012846][ T3767] netdev_get_by_index+0x5e/0x80 [ 4259.012846][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4259.012846][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4259.012846][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4259.012846][ T3767] ipv6_add_addr+0x411/0x2000 [ 4259.012846][ T3767] inet6_addr_add+0x30e/0xa40 [ 4259.012846][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.012846][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.012846][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.012846][ T3767] netlink_unicast+0x449/0x710 [ 4259.012846][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.012846][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.012846][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.012846][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.012846][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.012846][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.012846][ T3767] [ 4259.015074][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4259.015074][ T3767] netdev_get_by_index+0x5e/0x80 [ 4259.015074][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4259.015074][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4259.015074][ T3767] ip6_route_add+0x1c/0x140 [ 4259.015074][ T3767] addrconf_add_mroute+0x129/0x180 [ 4259.015074][ T3767] addrconf_add_dev+0xe2/0x170 [ 4259.015074][ T3767] inet6_addr_add+0x12f/0xa40 [ 4259.015074][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4259.015074][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.015074][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.015074][ T3767] netlink_unicast+0x449/0x710 [ 4259.015074][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.015074][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.015074][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.015074][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.015074][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.015074][ T3767] [ 4259.017267][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4259.017267][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4259.017267][ T3767] ipv6_find_idev+0x102/0x170 [ 4259.017267][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4259.017267][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.017267][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.017267][ T3767] netlink_unicast+0x449/0x710 [ 4259.017267][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.017267][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.017267][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.017267][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.017267][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.017267][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.017267][ T3767] [ 4259.018972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4259.018972][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4259.018972][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4259.018972][ T3767] ipv6_find_idev+0x102/0x170 [ 4259.018972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4259.018972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4259.018972][ T3767] netlink_rcv_skb+0x130/0x360 [ 4259.018972][ T3767] netlink_unicast+0x449/0x710 [ 4259.018972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4259.018972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4259.018972][ T3767] ___sys_sendmsg+0xee/0x170 [ 4259.018972][ T3767] __sys_sendmsg+0xcd/0x170 [ 4259.018972][ T3767] do_syscall_64+0xc6/0x1e0 [ 4259.018972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4259.018972][ T3767] [ 4269.263993][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4269.264531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4269.264531][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4269.264531][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4269.264531][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4269.264531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4269.264531][ T3767] ip6_route_add+0x1c/0x140 [ 4269.264531][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4269.264531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.264531][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.264531][ T3767] netlink_unicast+0x449/0x710 [ 4269.264531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.264531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.264531][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.264531][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.264531][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.264531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4269.264531][ T3767] [ 4269.266878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4269.266878][ T3767] netdev_get_by_index+0x5e/0x80 [ 4269.266878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4269.266878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4269.266878][ T3767] ip6_route_add+0x1c/0x140 [ 4269.266878][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4269.266878][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4269.266878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4269.266878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.266878][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.266878][ T3767] netlink_unicast+0x449/0x710 [ 4269.266878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.266878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.266878][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.266878][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.266878][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.266878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4269.266878][ T3767] [ 4269.269335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4269.269335][ T3767] netdev_get_by_index+0x5e/0x80 [ 4269.269335][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4269.269335][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4269.269335][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4269.269335][ T3767] ipv6_add_addr+0x411/0x2000 [ 4269.269335][ T3767] inet6_addr_add+0x30e/0xa40 [ 4269.269335][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4269.269335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.269335][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.269335][ T3767] netlink_unicast+0x449/0x710 [ 4269.269335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.269335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.269335][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.269335][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.269335][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.269335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4269.269335][ T3767] [ 4269.271798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4269.271798][ T3767] netdev_get_by_index+0x5e/0x80 [ 4269.271798][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4269.271798][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4269.271798][ T3767] ip6_route_add+0x1c/0x140 [ 4269.271798][ T3767] addrconf_add_mroute+0x129/0x180 [ 4269.271798][ T3767] addrconf_add_dev+0xe2/0x170 [ 4269.271798][ T3767] inet6_addr_add+0x12f/0xa40 [ 4269.271798][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4269.271798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.271798][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.271798][ T3767] netlink_unicast+0x449/0x710 [ 4269.271798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.271798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.271798][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.271798][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.271798][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.271798][ T3767] [ 4269.274202][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4269.274202][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4269.274202][ T3767] ipv6_find_idev+0x102/0x170 [ 4269.274202][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4269.274202][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.274202][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.274202][ T3767] netlink_unicast+0x449/0x710 [ 4269.274202][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.274202][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.274202][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.274202][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.274202][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.274202][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4269.274202][ T3767] [ 4269.276070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4269.276070][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4269.276070][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4269.276070][ T3767] ipv6_find_idev+0x102/0x170 [ 4269.276070][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4269.276070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4269.276070][ T3767] netlink_rcv_skb+0x130/0x360 [ 4269.276070][ T3767] netlink_unicast+0x449/0x710 [ 4269.276070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4269.276070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4269.276070][ T3767] ___sys_sendmsg+0xee/0x170 [ 4269.276070][ T3767] __sys_sendmsg+0xcd/0x170 [ 4269.276070][ T3767] do_syscall_64+0xc6/0x1e0 [ 4269.276070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4269.276070][ T3767] [ 4279.519949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4279.520459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4279.520459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4279.520459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4279.520459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4279.520459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4279.520459][ T3767] ip6_route_add+0x1c/0x140 [ 4279.520459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4279.520459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.520459][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.520459][ T3767] netlink_unicast+0x449/0x710 [ 4279.520459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.520459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.520459][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.520459][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.520459][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.520459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4279.520459][ T3767] [ 4279.522556][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4279.522556][ T3767] netdev_get_by_index+0x5e/0x80 [ 4279.522556][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4279.522556][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4279.522556][ T3767] ip6_route_add+0x1c/0x140 [ 4279.522556][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4279.522556][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4279.522556][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4279.522556][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.522556][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.522556][ T3767] netlink_unicast+0x449/0x710 [ 4279.522556][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.522556][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.522556][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.522556][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.522556][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.522556][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4279.522556][ T3767] [ 4279.524763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4279.524763][ T3767] netdev_get_by_index+0x5e/0x80 [ 4279.524763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4279.524763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4279.524763][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4279.524763][ T3767] ipv6_add_addr+0x411/0x2000 [ 4279.524763][ T3767] inet6_addr_add+0x30e/0xa40 [ 4279.524763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4279.524763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.524763][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.524763][ T3767] netlink_unicast+0x449/0x710 [ 4279.524763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.524763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.524763][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.524763][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.524763][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.524763][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4279.524763][ T3767] [ 4279.526983][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4279.526983][ T3767] netdev_get_by_index+0x5e/0x80 [ 4279.526983][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4279.526983][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4279.526983][ T3767] ip6_route_add+0x1c/0x140 [ 4279.526983][ T3767] addrconf_add_mroute+0x129/0x180 [ 4279.526983][ T3767] addrconf_add_dev+0xe2/0x170 [ 4279.526983][ T3767] inet6_addr_add+0x12f/0xa40 [ 4279.526983][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4279.526983][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.526983][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.526983][ T3767] netlink_unicast+0x449/0x710 [ 4279.526983][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.526983][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.526983][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.526983][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.526983][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.526983][ T3767] [ 4279.529154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4279.529154][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4279.529154][ T3767] ipv6_find_idev+0x102/0x170 [ 4279.529154][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4279.529154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.529154][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.529154][ T3767] netlink_unicast+0x449/0x710 [ 4279.529154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.529154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.529154][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.529154][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.529154][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.529154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4279.529154][ T3767] [ 4279.530874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4279.530874][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4279.530874][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4279.530874][ T3767] ipv6_find_idev+0x102/0x170 [ 4279.530874][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4279.530874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4279.530874][ T3767] netlink_rcv_skb+0x130/0x360 [ 4279.530874][ T3767] netlink_unicast+0x449/0x710 [ 4279.530874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4279.530874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4279.530874][ T3767] ___sys_sendmsg+0xee/0x170 [ 4279.530874][ T3767] __sys_sendmsg+0xcd/0x170 [ 4279.530874][ T3767] do_syscall_64+0xc6/0x1e0 [ 4279.530874][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4279.530874][ T3767] [ 4289.767981][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4289.768477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4289.768477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4289.768477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4289.768477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4289.768477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4289.768477][ T3767] ip6_route_add+0x1c/0x140 [ 4289.768477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4289.768477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.768477][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.768477][ T3767] netlink_unicast+0x449/0x710 [ 4289.768477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.768477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.768477][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.768477][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.768477][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.768477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4289.768477][ T3767] [ 4289.770800][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4289.770800][ T3767] netdev_get_by_index+0x5e/0x80 [ 4289.770800][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4289.770800][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4289.770800][ T3767] ip6_route_add+0x1c/0x140 [ 4289.770800][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4289.770800][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4289.770800][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4289.770800][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.770800][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.770800][ T3767] netlink_unicast+0x449/0x710 [ 4289.770800][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.770800][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.770800][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.770800][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.770800][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.770800][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4289.770800][ T3767] [ 4289.773233][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4289.773233][ T3767] netdev_get_by_index+0x5e/0x80 [ 4289.773233][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4289.773233][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4289.773233][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4289.773233][ T3767] ipv6_add_addr+0x411/0x2000 [ 4289.773233][ T3767] inet6_addr_add+0x30e/0xa40 [ 4289.773233][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4289.773233][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.773233][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.773233][ T3767] netlink_unicast+0x449/0x710 [ 4289.773233][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.773233][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.773233][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.773233][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.773233][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.773233][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4289.773233][ T3767] [ 4289.775665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4289.775665][ T3767] netdev_get_by_index+0x5e/0x80 [ 4289.775665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4289.775665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4289.775665][ T3767] ip6_route_add+0x1c/0x140 [ 4289.775665][ T3767] addrconf_add_mroute+0x129/0x180 [ 4289.775665][ T3767] addrconf_add_dev+0xe2/0x170 [ 4289.775665][ T3767] inet6_addr_add+0x12f/0xa40 [ 4289.775665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4289.775665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.775665][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.775665][ T3767] netlink_unicast+0x449/0x710 [ 4289.775665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.775665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.775665][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.775665][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.775665][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.775665][ T3767] [ 4289.778077][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4289.778077][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4289.778077][ T3767] ipv6_find_idev+0x102/0x170 [ 4289.778077][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4289.778077][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.778077][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.778077][ T3767] netlink_unicast+0x449/0x710 [ 4289.778077][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.778077][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.778077][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.778077][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.778077][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.778077][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4289.778077][ T3767] [ 4289.779951][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4289.779951][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4289.779951][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4289.779951][ T3767] ipv6_find_idev+0x102/0x170 [ 4289.779951][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4289.779951][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4289.779951][ T3767] netlink_rcv_skb+0x130/0x360 [ 4289.779951][ T3767] netlink_unicast+0x449/0x710 [ 4289.779951][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4289.779951][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4289.779951][ T3767] ___sys_sendmsg+0xee/0x170 [ 4289.779951][ T3767] __sys_sendmsg+0xcd/0x170 [ 4289.779951][ T3767] do_syscall_64+0xc6/0x1e0 [ 4289.779951][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4289.779951][ T3767] [ 4299.815982][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4299.816479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4299.816479][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4299.816479][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4299.816479][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4299.816479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4299.816479][ T3767] ip6_route_add+0x1c/0x140 [ 4299.816479][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4299.816479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.816479][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.816479][ T3767] netlink_unicast+0x449/0x710 [ 4299.816479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.816479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.816479][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.816479][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.816479][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.816479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4299.816479][ T3767] [ 4299.818819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4299.818819][ T3767] netdev_get_by_index+0x5e/0x80 [ 4299.818819][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4299.818819][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4299.818819][ T3767] ip6_route_add+0x1c/0x140 [ 4299.818819][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4299.818819][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4299.818819][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4299.818819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.818819][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.818819][ T3767] netlink_unicast+0x449/0x710 [ 4299.818819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.818819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.818819][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.818819][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.818819][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.818819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4299.818819][ T3767] [ 4299.821423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4299.821423][ T3767] netdev_get_by_index+0x5e/0x80 [ 4299.821423][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4299.821423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4299.821423][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4299.821423][ T3767] ipv6_add_addr+0x411/0x2000 [ 4299.821423][ T3767] inet6_addr_add+0x30e/0xa40 [ 4299.821423][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4299.821423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.821423][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.821423][ T3767] netlink_unicast+0x449/0x710 [ 4299.821423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.821423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.821423][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.821423][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.821423][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.821423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4299.821423][ T3767] [ 4299.824245][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4299.824245][ T3767] netdev_get_by_index+0x5e/0x80 [ 4299.824245][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4299.824245][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4299.824245][ T3767] ip6_route_add+0x1c/0x140 [ 4299.824245][ T3767] addrconf_add_mroute+0x129/0x180 [ 4299.824245][ T3767] addrconf_add_dev+0xe2/0x170 [ 4299.824245][ T3767] inet6_addr_add+0x12f/0xa40 [ 4299.824245][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4299.824245][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.824245][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.824245][ T3767] netlink_unicast+0x449/0x710 [ 4299.824245][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.824245][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.824245][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.824245][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.824245][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.824245][ T3767] [ 4299.826998][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4299.826998][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4299.826998][ T3767] ipv6_find_idev+0x102/0x170 [ 4299.826998][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4299.826998][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.826998][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.826998][ T3767] netlink_unicast+0x449/0x710 [ 4299.826998][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.826998][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.826998][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.826998][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.826998][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.826998][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4299.826998][ T3767] [ 4299.829145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4299.829145][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4299.829145][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4299.829145][ T3767] ipv6_find_idev+0x102/0x170 [ 4299.829145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4299.829145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4299.829145][ T3767] netlink_rcv_skb+0x130/0x360 [ 4299.829145][ T3767] netlink_unicast+0x449/0x710 [ 4299.829145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4299.829145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4299.829145][ T3767] ___sys_sendmsg+0xee/0x170 [ 4299.829145][ T3767] __sys_sendmsg+0xcd/0x170 [ 4299.829145][ T3767] do_syscall_64+0xc6/0x1e0 [ 4299.829145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4299.829145][ T3767] [ 4310.071989][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4310.072474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4310.072474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4310.072474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4310.072474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4310.072474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4310.072474][ T3767] ip6_route_add+0x1c/0x140 [ 4310.072474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4310.072474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.072474][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.072474][ T3767] netlink_unicast+0x449/0x710 [ 4310.072474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.072474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.072474][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.072474][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.072474][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.072474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.072474][ T3767] [ 4310.074805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4310.074805][ T3767] netdev_get_by_index+0x5e/0x80 [ 4310.074805][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4310.074805][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4310.074805][ T3767] ip6_route_add+0x1c/0x140 [ 4310.074805][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4310.074805][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4310.074805][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.074805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.074805][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.074805][ T3767] netlink_unicast+0x449/0x710 [ 4310.074805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.074805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.074805][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.074805][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.074805][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.074805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.074805][ T3767] [ 4310.077248][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4310.077248][ T3767] netdev_get_by_index+0x5e/0x80 [ 4310.077248][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4310.077248][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4310.077248][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4310.077248][ T3767] ipv6_add_addr+0x411/0x2000 [ 4310.077248][ T3767] inet6_addr_add+0x30e/0xa40 [ 4310.077248][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.077248][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.077248][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.077248][ T3767] netlink_unicast+0x449/0x710 [ 4310.077248][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.077248][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.077248][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.077248][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.077248][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.077248][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.077248][ T3767] [ 4310.079684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4310.079684][ T3767] netdev_get_by_index+0x5e/0x80 [ 4310.079684][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4310.079684][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4310.079684][ T3767] ip6_route_add+0x1c/0x140 [ 4310.079684][ T3767] addrconf_add_mroute+0x129/0x180 [ 4310.079684][ T3767] addrconf_add_dev+0xe2/0x170 [ 4310.079684][ T3767] inet6_addr_add+0x12f/0xa40 [ 4310.079684][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4310.079684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.079684][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.079684][ T3767] netlink_unicast+0x449/0x710 [ 4310.079684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.079684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.079684][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.079684][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.079684][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.079684][ T3767] [ 4310.082090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4310.082090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4310.082090][ T3767] ipv6_find_idev+0x102/0x170 [ 4310.082090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4310.082090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.082090][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.082090][ T3767] netlink_unicast+0x449/0x710 [ 4310.082090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.082090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.082090][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.082090][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.082090][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.082090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.082090][ T3767] [ 4310.083967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4310.083967][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4310.083967][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4310.083967][ T3767] ipv6_find_idev+0x102/0x170 [ 4310.083967][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4310.083967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4310.083967][ T3767] netlink_rcv_skb+0x130/0x360 [ 4310.083967][ T3767] netlink_unicast+0x449/0x710 [ 4310.083967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4310.083967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4310.083967][ T3767] ___sys_sendmsg+0xee/0x170 [ 4310.083967][ T3767] __sys_sendmsg+0xcd/0x170 [ 4310.083967][ T3767] do_syscall_64+0xc6/0x1e0 [ 4310.083967][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4310.083967][ T3767] [ 4320.327891][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4320.328370][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4320.328370][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4320.328370][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4320.328370][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4320.328370][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4320.328370][ T3767] ip6_route_add+0x1c/0x140 [ 4320.328370][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4320.328370][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.328370][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.328370][ T3767] netlink_unicast+0x449/0x710 [ 4320.328370][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.328370][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.328370][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.328370][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.328370][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.328370][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4320.328370][ T3767] [ 4320.330687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4320.330687][ T3767] netdev_get_by_index+0x5e/0x80 [ 4320.330687][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4320.330687][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4320.330687][ T3767] ip6_route_add+0x1c/0x140 [ 4320.330687][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4320.330687][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4320.330687][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4320.330687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.330687][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.330687][ T3767] netlink_unicast+0x449/0x710 [ 4320.330687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.330687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.330687][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.330687][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.330687][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.330687][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4320.330687][ T3767] [ 4320.333154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4320.333154][ T3767] netdev_get_by_index+0x5e/0x80 [ 4320.333154][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4320.333154][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4320.333154][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4320.333154][ T3767] ipv6_add_addr+0x411/0x2000 [ 4320.333154][ T3767] inet6_addr_add+0x30e/0xa40 [ 4320.333154][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4320.333154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.333154][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.333154][ T3767] netlink_unicast+0x449/0x710 [ 4320.333154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.333154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.333154][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.333154][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.333154][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.333154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4320.333154][ T3767] [ 4320.335598][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4320.335598][ T3767] netdev_get_by_index+0x5e/0x80 [ 4320.335598][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4320.335598][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4320.335598][ T3767] ip6_route_add+0x1c/0x140 [ 4320.335598][ T3767] addrconf_add_mroute+0x129/0x180 [ 4320.335598][ T3767] addrconf_add_dev+0xe2/0x170 [ 4320.335598][ T3767] inet6_addr_add+0x12f/0xa40 [ 4320.335598][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4320.335598][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.335598][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.335598][ T3767] netlink_unicast+0x449/0x710 [ 4320.335598][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.335598][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.335598][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.335598][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.335598][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.335598][ T3767] [ 4320.338010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4320.338010][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4320.338010][ T3767] ipv6_find_idev+0x102/0x170 [ 4320.338010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4320.338010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.338010][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.338010][ T3767] netlink_unicast+0x449/0x710 [ 4320.338010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.338010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.338010][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.338010][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.338010][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.338010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4320.338010][ T3767] [ 4320.339884][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4320.339884][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4320.339884][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4320.339884][ T3767] ipv6_find_idev+0x102/0x170 [ 4320.339884][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4320.339884][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4320.339884][ T3767] netlink_rcv_skb+0x130/0x360 [ 4320.339884][ T3767] netlink_unicast+0x449/0x710 [ 4320.339884][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4320.339884][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4320.339884][ T3767] ___sys_sendmsg+0xee/0x170 [ 4320.339884][ T3767] __sys_sendmsg+0xcd/0x170 [ 4320.339884][ T3767] do_syscall_64+0xc6/0x1e0 [ 4320.339884][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4320.339884][ T3767] [ 4330.583966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4330.584448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4330.584448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4330.584448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4330.584448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4330.584448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4330.584448][ T3767] ip6_route_add+0x1c/0x140 [ 4330.584448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4330.584448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.584448][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.584448][ T3767] netlink_unicast+0x449/0x710 [ 4330.584448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.584448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.584448][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.584448][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.584448][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.584448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4330.584448][ T3767] [ 4330.586688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4330.586688][ T3767] netdev_get_by_index+0x5e/0x80 [ 4330.586688][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4330.586688][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4330.586688][ T3767] ip6_route_add+0x1c/0x140 [ 4330.586688][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4330.586688][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4330.586688][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4330.586688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.586688][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.586688][ T3767] netlink_unicast+0x449/0x710 [ 4330.586688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.586688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.586688][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.586688][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.586688][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.586688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4330.586688][ T3767] [ 4330.588888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4330.588888][ T3767] netdev_get_by_index+0x5e/0x80 [ 4330.588888][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4330.588888][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4330.588888][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4330.588888][ T3767] ipv6_add_addr+0x411/0x2000 [ 4330.588888][ T3767] inet6_addr_add+0x30e/0xa40 [ 4330.588888][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4330.588888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.588888][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.588888][ T3767] netlink_unicast+0x449/0x710 [ 4330.588888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.588888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.588888][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.588888][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.588888][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.588888][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4330.588888][ T3767] [ 4330.591081][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4330.591081][ T3767] netdev_get_by_index+0x5e/0x80 [ 4330.591081][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4330.591081][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4330.591081][ T3767] ip6_route_add+0x1c/0x140 [ 4330.591081][ T3767] addrconf_add_mroute+0x129/0x180 [ 4330.591081][ T3767] addrconf_add_dev+0xe2/0x170 [ 4330.591081][ T3767] inet6_addr_add+0x12f/0xa40 [ 4330.591081][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4330.591081][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.591081][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.591081][ T3767] netlink_unicast+0x449/0x710 [ 4330.591081][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.591081][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.591081][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.591081][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.591081][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.591081][ T3767] [ 4330.593762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4330.593762][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4330.593762][ T3767] ipv6_find_idev+0x102/0x170 [ 4330.593762][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4330.593762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.593762][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.593762][ T3767] netlink_unicast+0x449/0x710 [ 4330.593762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.593762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.593762][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.593762][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.593762][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.593762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4330.593762][ T3767] [ 4330.595449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4330.595449][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4330.595449][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4330.595449][ T3767] ipv6_find_idev+0x102/0x170 [ 4330.595449][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4330.595449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4330.595449][ T3767] netlink_rcv_skb+0x130/0x360 [ 4330.595449][ T3767] netlink_unicast+0x449/0x710 [ 4330.595449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4330.595449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4330.595449][ T3767] ___sys_sendmsg+0xee/0x170 [ 4330.595449][ T3767] __sys_sendmsg+0xcd/0x170 [ 4330.595449][ T3767] do_syscall_64+0xc6/0x1e0 [ 4330.595449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4330.595449][ T3767] [ 4340.839917][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4340.840405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4340.840405][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4340.840405][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4340.840405][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4340.840405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4340.840405][ T3767] ip6_route_add+0x1c/0x140 [ 4340.840405][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4340.840405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.840405][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.840405][ T3767] netlink_unicast+0x449/0x710 [ 4340.840405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.840405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.840405][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.840405][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.840405][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.840405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4340.840405][ T3767] [ 4340.842666][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4340.842666][ T3767] netdev_get_by_index+0x5e/0x80 [ 4340.842666][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4340.842666][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4340.842666][ T3767] ip6_route_add+0x1c/0x140 [ 4340.842666][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4340.842666][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4340.842666][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4340.842666][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.842666][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.842666][ T3767] netlink_unicast+0x449/0x710 [ 4340.842666][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.842666][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.842666][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.842666][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.842666][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.842666][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4340.842666][ T3767] [ 4340.845151][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4340.845151][ T3767] netdev_get_by_index+0x5e/0x80 [ 4340.845151][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4340.845151][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4340.845151][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4340.845151][ T3767] ipv6_add_addr+0x411/0x2000 [ 4340.845151][ T3767] inet6_addr_add+0x30e/0xa40 [ 4340.845151][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4340.845151][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.845151][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.845151][ T3767] netlink_unicast+0x449/0x710 [ 4340.845151][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.845151][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.845151][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.845151][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.845151][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.845151][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4340.845151][ T3767] [ 4340.847385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4340.847385][ T3767] netdev_get_by_index+0x5e/0x80 [ 4340.847385][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4340.847385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4340.847385][ T3767] ip6_route_add+0x1c/0x140 [ 4340.847385][ T3767] addrconf_add_mroute+0x129/0x180 [ 4340.847385][ T3767] addrconf_add_dev+0xe2/0x170 [ 4340.847385][ T3767] inet6_addr_add+0x12f/0xa40 [ 4340.847385][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4340.847385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.847385][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.847385][ T3767] netlink_unicast+0x449/0x710 [ 4340.847385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.847385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.847385][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.847385][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.847385][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.847385][ T3767] [ 4340.849563][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4340.849563][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4340.849563][ T3767] ipv6_find_idev+0x102/0x170 [ 4340.849563][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4340.849563][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.849563][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.849563][ T3767] netlink_unicast+0x449/0x710 [ 4340.849563][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.849563][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.849563][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.849563][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.849563][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.849563][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4340.849563][ T3767] [ 4340.851265][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4340.851265][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4340.851265][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4340.851265][ T3767] ipv6_find_idev+0x102/0x170 [ 4340.851265][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4340.851265][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4340.851265][ T3767] netlink_rcv_skb+0x130/0x360 [ 4340.851265][ T3767] netlink_unicast+0x449/0x710 [ 4340.851265][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4340.851265][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4340.851265][ T3767] ___sys_sendmsg+0xee/0x170 [ 4340.851265][ T3767] __sys_sendmsg+0xcd/0x170 [ 4340.851265][ T3767] do_syscall_64+0xc6/0x1e0 [ 4340.851265][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4340.851265][ T3767] [ 4351.015892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4351.016375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4351.016375][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4351.016375][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4351.016375][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4351.016375][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4351.016375][ T3767] ip6_route_add+0x1c/0x140 [ 4351.016375][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4351.016375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.016375][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.016375][ T3767] netlink_unicast+0x449/0x710 [ 4351.016375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.016375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.016375][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.016375][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.016375][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.016375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.016375][ T3767] [ 4351.018508][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4351.018508][ T3767] netdev_get_by_index+0x5e/0x80 [ 4351.018508][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4351.018508][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4351.018508][ T3767] ip6_route_add+0x1c/0x140 [ 4351.018508][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4351.018508][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4351.018508][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.018508][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.018508][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.018508][ T3767] netlink_unicast+0x449/0x710 [ 4351.018508][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.018508][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.018508][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.018508][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.018508][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.018508][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.018508][ T3767] [ 4351.021264][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4351.021264][ T3767] netdev_get_by_index+0x5e/0x80 [ 4351.021264][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4351.021264][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4351.021264][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4351.021264][ T3767] ipv6_add_addr+0x411/0x2000 [ 4351.021264][ T3767] inet6_addr_add+0x30e/0xa40 [ 4351.021264][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.021264][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.021264][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.021264][ T3767] netlink_unicast+0x449/0x710 [ 4351.021264][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.021264][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.021264][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.021264][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.021264][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.021264][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.021264][ T3767] [ 4351.024690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4351.024690][ T3767] netdev_get_by_index+0x5e/0x80 [ 4351.024690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4351.024690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4351.024690][ T3767] ip6_route_add+0x1c/0x140 [ 4351.024690][ T3767] addrconf_add_mroute+0x129/0x180 [ 4351.024690][ T3767] addrconf_add_dev+0xe2/0x170 [ 4351.024690][ T3767] inet6_addr_add+0x12f/0xa40 [ 4351.024690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4351.024690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.024690][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.024690][ T3767] netlink_unicast+0x449/0x710 [ 4351.024690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.024690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.024690][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.024690][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.024690][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.024690][ T3767] [ 4351.028158][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4351.028158][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4351.028158][ T3767] ipv6_find_idev+0x102/0x170 [ 4351.028158][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4351.028158][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.028158][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.028158][ T3767] netlink_unicast+0x449/0x710 [ 4351.028158][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.028158][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.028158][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.028158][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.028158][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.028158][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.028158][ T3767] [ 4351.030782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4351.030782][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4351.030782][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4351.030782][ T3767] ipv6_find_idev+0x102/0x170 [ 4351.030782][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4351.030782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4351.030782][ T3767] netlink_rcv_skb+0x130/0x360 [ 4351.030782][ T3767] netlink_unicast+0x449/0x710 [ 4351.030782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4351.030782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4351.030782][ T3767] ___sys_sendmsg+0xee/0x170 [ 4351.030782][ T3767] __sys_sendmsg+0xcd/0x170 [ 4351.030782][ T3767] do_syscall_64+0xc6/0x1e0 [ 4351.030782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4351.030782][ T3767] [ 4361.280025][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4361.280565][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4361.280565][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4361.280565][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4361.280565][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4361.280565][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4361.280565][ T3767] ip6_route_add+0x1c/0x140 [ 4361.280565][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4361.280565][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.280565][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.280565][ T3767] netlink_unicast+0x449/0x710 [ 4361.280565][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.280565][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.280565][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.280565][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.280565][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.280565][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.280565][ T3767] [ 4361.282667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4361.282667][ T3767] netdev_get_by_index+0x5e/0x80 [ 4361.282667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4361.282667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4361.282667][ T3767] ip6_route_add+0x1c/0x140 [ 4361.282667][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4361.282667][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4361.282667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.282667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.282667][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.282667][ T3767] netlink_unicast+0x449/0x710 [ 4361.282667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.282667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.282667][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.282667][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.282667][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.282667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.282667][ T3767] [ 4361.284912][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4361.284912][ T3767] netdev_get_by_index+0x5e/0x80 [ 4361.284912][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4361.284912][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4361.284912][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4361.284912][ T3767] ipv6_add_addr+0x411/0x2000 [ 4361.284912][ T3767] inet6_addr_add+0x30e/0xa40 [ 4361.284912][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.284912][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.284912][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.284912][ T3767] netlink_unicast+0x449/0x710 [ 4361.284912][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.284912][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.284912][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.284912][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.284912][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.284912][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.284912][ T3767] [ 4361.287140][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4361.287140][ T3767] netdev_get_by_index+0x5e/0x80 [ 4361.287140][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4361.287140][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4361.287140][ T3767] ip6_route_add+0x1c/0x140 [ 4361.287140][ T3767] addrconf_add_mroute+0x129/0x180 [ 4361.287140][ T3767] addrconf_add_dev+0xe2/0x170 [ 4361.287140][ T3767] inet6_addr_add+0x12f/0xa40 [ 4361.287140][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4361.287140][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.287140][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.287140][ T3767] netlink_unicast+0x449/0x710 [ 4361.287140][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.287140][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.287140][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.287140][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.287140][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.287140][ T3767] [ 4361.289326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4361.289326][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4361.289326][ T3767] ipv6_find_idev+0x102/0x170 [ 4361.289326][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4361.289326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.289326][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.289326][ T3767] netlink_unicast+0x449/0x710 [ 4361.289326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.289326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.289326][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.289326][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.289326][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.289326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.289326][ T3767] [ 4361.291029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4361.291029][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4361.291029][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4361.291029][ T3767] ipv6_find_idev+0x102/0x170 [ 4361.291029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4361.291029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4361.291029][ T3767] netlink_rcv_skb+0x130/0x360 [ 4361.291029][ T3767] netlink_unicast+0x449/0x710 [ 4361.291029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4361.291029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4361.291029][ T3767] ___sys_sendmsg+0xee/0x170 [ 4361.291029][ T3767] __sys_sendmsg+0xcd/0x170 [ 4361.291029][ T3767] do_syscall_64+0xc6/0x1e0 [ 4361.291029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4361.291029][ T3767] [ 4371.543959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4371.544397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4371.544397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4371.544397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4371.544397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4371.544397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4371.544397][ T3767] ip6_route_add+0x1c/0x140 [ 4371.544397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4371.544397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.544397][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.544397][ T3767] netlink_unicast+0x449/0x710 [ 4371.544397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.544397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.544397][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.544397][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.544397][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.544397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.544397][ T3767] [ 4371.546548][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4371.546548][ T3767] netdev_get_by_index+0x5e/0x80 [ 4371.546548][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4371.546548][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4371.546548][ T3767] ip6_route_add+0x1c/0x140 [ 4371.546548][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4371.546548][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4371.546548][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.546548][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.546548][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.546548][ T3767] netlink_unicast+0x449/0x710 [ 4371.546548][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.546548][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.546548][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.546548][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.546548][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.546548][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.546548][ T3767] [ 4371.548783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4371.548783][ T3767] netdev_get_by_index+0x5e/0x80 [ 4371.548783][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4371.548783][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4371.548783][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4371.548783][ T3767] ipv6_add_addr+0x411/0x2000 [ 4371.548783][ T3767] inet6_addr_add+0x30e/0xa40 [ 4371.548783][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.548783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.548783][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.548783][ T3767] netlink_unicast+0x449/0x710 [ 4371.548783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.548783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.548783][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.548783][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.548783][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.548783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.548783][ T3767] [ 4371.550975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4371.550975][ T3767] netdev_get_by_index+0x5e/0x80 [ 4371.550975][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4371.550975][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4371.550975][ T3767] ip6_route_add+0x1c/0x140 [ 4371.550975][ T3767] addrconf_add_mroute+0x129/0x180 [ 4371.550975][ T3767] addrconf_add_dev+0xe2/0x170 [ 4371.550975][ T3767] inet6_addr_add+0x12f/0xa40 [ 4371.550975][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4371.550975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.550975][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.550975][ T3767] netlink_unicast+0x449/0x710 [ 4371.550975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.550975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.550975][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.550975][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.550975][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.550975][ T3767] [ 4371.553127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4371.553127][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4371.553127][ T3767] ipv6_find_idev+0x102/0x170 [ 4371.553127][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4371.553127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.553127][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.553127][ T3767] netlink_unicast+0x449/0x710 [ 4371.553127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.553127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.553127][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.553127][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.553127][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.553127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.553127][ T3767] [ 4371.554873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4371.554873][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4371.554873][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4371.554873][ T3767] ipv6_find_idev+0x102/0x170 [ 4371.554873][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4371.554873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4371.554873][ T3767] netlink_rcv_skb+0x130/0x360 [ 4371.554873][ T3767] netlink_unicast+0x449/0x710 [ 4371.554873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4371.554873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4371.554873][ T3767] ___sys_sendmsg+0xee/0x170 [ 4371.554873][ T3767] __sys_sendmsg+0xcd/0x170 [ 4371.554873][ T3767] do_syscall_64+0xc6/0x1e0 [ 4371.554873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4371.554873][ T3767] [ 4381.663986][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4381.664423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4381.664423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4381.664423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4381.664423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4381.664423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4381.664423][ T3767] ip6_route_add+0x1c/0x140 [ 4381.664423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4381.664423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.664423][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.664423][ T3767] netlink_unicast+0x449/0x710 [ 4381.664423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.664423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.664423][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.664423][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.664423][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.664423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.664423][ T3767] [ 4381.666537][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4381.666537][ T3767] netdev_get_by_index+0x5e/0x80 [ 4381.666537][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4381.666537][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4381.666537][ T3767] ip6_route_add+0x1c/0x140 [ 4381.666537][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4381.666537][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4381.666537][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.666537][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.666537][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.666537][ T3767] netlink_unicast+0x449/0x710 [ 4381.666537][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.666537][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.666537][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.666537][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.666537][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.666537][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.666537][ T3767] [ 4381.668723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4381.668723][ T3767] netdev_get_by_index+0x5e/0x80 [ 4381.668723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4381.668723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4381.668723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4381.668723][ T3767] ipv6_add_addr+0x411/0x2000 [ 4381.668723][ T3767] inet6_addr_add+0x30e/0xa40 [ 4381.668723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.668723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.668723][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.668723][ T3767] netlink_unicast+0x449/0x710 [ 4381.668723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.668723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.668723][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.668723][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.668723][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.668723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.668723][ T3767] [ 4381.670927][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4381.670927][ T3767] netdev_get_by_index+0x5e/0x80 [ 4381.670927][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4381.670927][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4381.670927][ T3767] ip6_route_add+0x1c/0x140 [ 4381.670927][ T3767] addrconf_add_mroute+0x129/0x180 [ 4381.670927][ T3767] addrconf_add_dev+0xe2/0x170 [ 4381.670927][ T3767] inet6_addr_add+0x12f/0xa40 [ 4381.670927][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4381.670927][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.670927][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.670927][ T3767] netlink_unicast+0x449/0x710 [ 4381.670927][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.670927][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.670927][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.670927][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.670927][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.670927][ T3767] [ 4381.673118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4381.673118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4381.673118][ T3767] ipv6_find_idev+0x102/0x170 [ 4381.673118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4381.673118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.673118][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.673118][ T3767] netlink_unicast+0x449/0x710 [ 4381.673118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.673118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.673118][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.673118][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.673118][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.673118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.673118][ T3767] [ 4381.674821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4381.674821][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4381.674821][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4381.674821][ T3767] ipv6_find_idev+0x102/0x170 [ 4381.674821][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4381.674821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4381.674821][ T3767] netlink_rcv_skb+0x130/0x360 [ 4381.674821][ T3767] netlink_unicast+0x449/0x710 [ 4381.674821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4381.674821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4381.674821][ T3767] ___sys_sendmsg+0xee/0x170 [ 4381.674821][ T3767] __sys_sendmsg+0xcd/0x170 [ 4381.674821][ T3767] do_syscall_64+0xc6/0x1e0 [ 4381.674821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4381.674821][ T3767] [ 4391.911966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4391.912417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4391.912417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4391.912417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4391.912417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4391.912417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4391.912417][ T3767] ip6_route_add+0x1c/0x140 [ 4391.912417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4391.912417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.912417][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.912417][ T3767] netlink_unicast+0x449/0x710 [ 4391.912417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.912417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.912417][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.912417][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.912417][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.912417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4391.912417][ T3767] [ 4391.914499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4391.914499][ T3767] netdev_get_by_index+0x5e/0x80 [ 4391.914499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4391.914499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4391.914499][ T3767] ip6_route_add+0x1c/0x140 [ 4391.914499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4391.914499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4391.914499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4391.914499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.914499][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.914499][ T3767] netlink_unicast+0x449/0x710 [ 4391.914499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.914499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.914499][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.914499][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.914499][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.914499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4391.914499][ T3767] [ 4391.916700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4391.916700][ T3767] netdev_get_by_index+0x5e/0x80 [ 4391.916700][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4391.916700][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4391.916700][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4391.916700][ T3767] ipv6_add_addr+0x411/0x2000 [ 4391.916700][ T3767] inet6_addr_add+0x30e/0xa40 [ 4391.916700][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4391.916700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.916700][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.916700][ T3767] netlink_unicast+0x449/0x710 [ 4391.916700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.916700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.916700][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.916700][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.916700][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.916700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4391.916700][ T3767] [ 4391.918916][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4391.918916][ T3767] netdev_get_by_index+0x5e/0x80 [ 4391.918916][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4391.918916][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4391.918916][ T3767] ip6_route_add+0x1c/0x140 [ 4391.918916][ T3767] addrconf_add_mroute+0x129/0x180 [ 4391.918916][ T3767] addrconf_add_dev+0xe2/0x170 [ 4391.918916][ T3767] inet6_addr_add+0x12f/0xa40 [ 4391.918916][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4391.918916][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.918916][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.918916][ T3767] netlink_unicast+0x449/0x710 [ 4391.918916][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.918916][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.918916][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.918916][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.918916][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.918916][ T3767] [ 4391.921098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4391.921098][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4391.921098][ T3767] ipv6_find_idev+0x102/0x170 [ 4391.921098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4391.921098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.921098][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.921098][ T3767] netlink_unicast+0x449/0x710 [ 4391.921098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.921098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.921098][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.921098][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.921098][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.921098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4391.921098][ T3767] [ 4391.922809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4391.922809][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4391.922809][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4391.922809][ T3767] ipv6_find_idev+0x102/0x170 [ 4391.922809][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4391.922809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4391.922809][ T3767] netlink_rcv_skb+0x130/0x360 [ 4391.922809][ T3767] netlink_unicast+0x449/0x710 [ 4391.922809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4391.922809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4391.922809][ T3767] ___sys_sendmsg+0xee/0x170 [ 4391.922809][ T3767] __sys_sendmsg+0xcd/0x170 [ 4391.922809][ T3767] do_syscall_64+0xc6/0x1e0 [ 4391.922809][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4391.922809][ T3767] [ 4402.159888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4402.160402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4402.160402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4402.160402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4402.160402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4402.160402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4402.160402][ T3767] ip6_route_add+0x1c/0x140 [ 4402.160402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4402.160402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.160402][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.160402][ T3767] netlink_unicast+0x449/0x710 [ 4402.160402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.160402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.160402][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.160402][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.160402][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.160402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.160402][ T3767] [ 4402.162487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4402.162487][ T3767] netdev_get_by_index+0x5e/0x80 [ 4402.162487][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4402.162487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4402.162487][ T3767] ip6_route_add+0x1c/0x140 [ 4402.162487][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4402.162487][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4402.162487][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.162487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.162487][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.162487][ T3767] netlink_unicast+0x449/0x710 [ 4402.162487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.162487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.162487][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.162487][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.162487][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.162487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.162487][ T3767] [ 4402.164685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4402.164685][ T3767] netdev_get_by_index+0x5e/0x80 [ 4402.164685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4402.164685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4402.164685][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4402.164685][ T3767] ipv6_add_addr+0x411/0x2000 [ 4402.164685][ T3767] inet6_addr_add+0x30e/0xa40 [ 4402.164685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.164685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.164685][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.164685][ T3767] netlink_unicast+0x449/0x710 [ 4402.164685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.164685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.164685][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.164685][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.164685][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.164685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.164685][ T3767] [ 4402.166880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4402.166880][ T3767] netdev_get_by_index+0x5e/0x80 [ 4402.166880][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4402.166880][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4402.166880][ T3767] ip6_route_add+0x1c/0x140 [ 4402.166880][ T3767] addrconf_add_mroute+0x129/0x180 [ 4402.166880][ T3767] addrconf_add_dev+0xe2/0x170 [ 4402.166880][ T3767] inet6_addr_add+0x12f/0xa40 [ 4402.166880][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4402.166880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.166880][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.166880][ T3767] netlink_unicast+0x449/0x710 [ 4402.166880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.166880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.166880][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.166880][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.166880][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.166880][ T3767] [ 4402.169044][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4402.169044][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4402.169044][ T3767] ipv6_find_idev+0x102/0x170 [ 4402.169044][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4402.169044][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.169044][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.169044][ T3767] netlink_unicast+0x449/0x710 [ 4402.169044][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.169044][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.169044][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.169044][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.169044][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.169044][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.169044][ T3767] [ 4402.170735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4402.170735][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4402.170735][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4402.170735][ T3767] ipv6_find_idev+0x102/0x170 [ 4402.170735][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4402.170735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4402.170735][ T3767] netlink_rcv_skb+0x130/0x360 [ 4402.170735][ T3767] netlink_unicast+0x449/0x710 [ 4402.170735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4402.170735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4402.170735][ T3767] ___sys_sendmsg+0xee/0x170 [ 4402.170735][ T3767] __sys_sendmsg+0xcd/0x170 [ 4402.170735][ T3767] do_syscall_64+0xc6/0x1e0 [ 4402.170735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4402.170735][ T3767] [ 4412.407985][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4412.408540][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4412.408540][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4412.408540][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4412.408540][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4412.408540][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4412.408540][ T3767] ip6_route_add+0x1c/0x140 [ 4412.408540][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4412.408540][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.408540][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.408540][ T3767] netlink_unicast+0x449/0x710 [ 4412.408540][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.408540][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.408540][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.408540][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.408540][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.408540][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.408540][ T3767] [ 4412.410656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4412.410656][ T3767] netdev_get_by_index+0x5e/0x80 [ 4412.410656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4412.410656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4412.410656][ T3767] ip6_route_add+0x1c/0x140 [ 4412.410656][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4412.410656][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4412.410656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.410656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.410656][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.410656][ T3767] netlink_unicast+0x449/0x710 [ 4412.410656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.410656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.410656][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.410656][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.410656][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.410656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.410656][ T3767] [ 4412.412895][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4412.412895][ T3767] netdev_get_by_index+0x5e/0x80 [ 4412.412895][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4412.412895][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4412.412895][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4412.412895][ T3767] ipv6_add_addr+0x411/0x2000 [ 4412.412895][ T3767] inet6_addr_add+0x30e/0xa40 [ 4412.412895][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.412895][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.412895][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.412895][ T3767] netlink_unicast+0x449/0x710 [ 4412.412895][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.412895][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.412895][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.412895][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.412895][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.412895][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.412895][ T3767] [ 4412.415139][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4412.415139][ T3767] netdev_get_by_index+0x5e/0x80 [ 4412.415139][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4412.415139][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4412.415139][ T3767] ip6_route_add+0x1c/0x140 [ 4412.415139][ T3767] addrconf_add_mroute+0x129/0x180 [ 4412.415139][ T3767] addrconf_add_dev+0xe2/0x170 [ 4412.415139][ T3767] inet6_addr_add+0x12f/0xa40 [ 4412.415139][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4412.415139][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.415139][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.415139][ T3767] netlink_unicast+0x449/0x710 [ 4412.415139][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.415139][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.415139][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.415139][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.415139][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.415139][ T3767] [ 4412.417328][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4412.417328][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4412.417328][ T3767] ipv6_find_idev+0x102/0x170 [ 4412.417328][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4412.417328][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.417328][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.417328][ T3767] netlink_unicast+0x449/0x710 [ 4412.417328][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.417328][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.417328][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.417328][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.417328][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.417328][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.417328][ T3767] [ 4412.419029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4412.419029][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4412.419029][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4412.419029][ T3767] ipv6_find_idev+0x102/0x170 [ 4412.419029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4412.419029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4412.419029][ T3767] netlink_rcv_skb+0x130/0x360 [ 4412.419029][ T3767] netlink_unicast+0x449/0x710 [ 4412.419029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4412.419029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4412.419029][ T3767] ___sys_sendmsg+0xee/0x170 [ 4412.419029][ T3767] __sys_sendmsg+0xcd/0x170 [ 4412.419029][ T3767] do_syscall_64+0xc6/0x1e0 [ 4412.419029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4412.419029][ T3767] [ 4422.663955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4422.664483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4422.664483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4422.664483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4422.664483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4422.664483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4422.664483][ T3767] ip6_route_add+0x1c/0x140 [ 4422.664483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4422.664483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.664483][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.664483][ T3767] netlink_unicast+0x449/0x710 [ 4422.664483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.664483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.664483][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.664483][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.664483][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.664483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.664483][ T3767] [ 4422.666614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4422.666614][ T3767] netdev_get_by_index+0x5e/0x80 [ 4422.666614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4422.666614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4422.666614][ T3767] ip6_route_add+0x1c/0x140 [ 4422.666614][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4422.666614][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4422.666614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.666614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.666614][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.666614][ T3767] netlink_unicast+0x449/0x710 [ 4422.666614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.666614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.666614][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.666614][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.666614][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.666614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.666614][ T3767] [ 4422.668826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4422.668826][ T3767] netdev_get_by_index+0x5e/0x80 [ 4422.668826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4422.668826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4422.668826][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4422.668826][ T3767] ipv6_add_addr+0x411/0x2000 [ 4422.668826][ T3767] inet6_addr_add+0x30e/0xa40 [ 4422.668826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.668826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.668826][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.668826][ T3767] netlink_unicast+0x449/0x710 [ 4422.668826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.668826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.668826][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.668826][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.668826][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.668826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.668826][ T3767] [ 4422.671057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4422.671057][ T3767] netdev_get_by_index+0x5e/0x80 [ 4422.671057][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4422.671057][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4422.671057][ T3767] ip6_route_add+0x1c/0x140 [ 4422.671057][ T3767] addrconf_add_mroute+0x129/0x180 [ 4422.671057][ T3767] addrconf_add_dev+0xe2/0x170 [ 4422.671057][ T3767] inet6_addr_add+0x12f/0xa40 [ 4422.671057][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4422.671057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.671057][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.671057][ T3767] netlink_unicast+0x449/0x710 [ 4422.671057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.671057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.671057][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.671057][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.671057][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.671057][ T3767] [ 4422.673230][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4422.673230][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4422.673230][ T3767] ipv6_find_idev+0x102/0x170 [ 4422.673230][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4422.673230][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.673230][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.673230][ T3767] netlink_unicast+0x449/0x710 [ 4422.673230][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.673230][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.673230][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.673230][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.673230][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.673230][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.673230][ T3767] [ 4422.674929][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4422.674929][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4422.674929][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4422.674929][ T3767] ipv6_find_idev+0x102/0x170 [ 4422.674929][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4422.674929][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4422.674929][ T3767] netlink_rcv_skb+0x130/0x360 [ 4422.674929][ T3767] netlink_unicast+0x449/0x710 [ 4422.674929][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4422.674929][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4422.674929][ T3767] ___sys_sendmsg+0xee/0x170 [ 4422.674929][ T3767] __sys_sendmsg+0xcd/0x170 [ 4422.674929][ T3767] do_syscall_64+0xc6/0x1e0 [ 4422.674929][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4422.674929][ T3767] [ 4432.919996][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4432.920539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4432.920539][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4432.920539][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4432.920539][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4432.920539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4432.920539][ T3767] ip6_route_add+0x1c/0x140 [ 4432.920539][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4432.920539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.920539][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.920539][ T3767] netlink_unicast+0x449/0x710 [ 4432.920539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.920539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.920539][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.920539][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.920539][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.920539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4432.920539][ T3767] [ 4432.922638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4432.922638][ T3767] netdev_get_by_index+0x5e/0x80 [ 4432.922638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4432.922638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4432.922638][ T3767] ip6_route_add+0x1c/0x140 [ 4432.922638][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4432.922638][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4432.922638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4432.922638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.922638][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.922638][ T3767] netlink_unicast+0x449/0x710 [ 4432.922638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.922638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.922638][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.922638][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.922638][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.922638][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4432.922638][ T3767] [ 4432.924868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4432.924868][ T3767] netdev_get_by_index+0x5e/0x80 [ 4432.924868][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4432.924868][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4432.924868][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4432.924868][ T3767] ipv6_add_addr+0x411/0x2000 [ 4432.924868][ T3767] inet6_addr_add+0x30e/0xa40 [ 4432.924868][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4432.924868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.924868][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.924868][ T3767] netlink_unicast+0x449/0x710 [ 4432.924868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.924868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.924868][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.924868][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.924868][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.924868][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4432.924868][ T3767] [ 4432.927096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4432.927096][ T3767] netdev_get_by_index+0x5e/0x80 [ 4432.927096][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4432.927096][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4432.927096][ T3767] ip6_route_add+0x1c/0x140 [ 4432.927096][ T3767] addrconf_add_mroute+0x129/0x180 [ 4432.927096][ T3767] addrconf_add_dev+0xe2/0x170 [ 4432.927096][ T3767] inet6_addr_add+0x12f/0xa40 [ 4432.927096][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4432.927096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.927096][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.927096][ T3767] netlink_unicast+0x449/0x710 [ 4432.927096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.927096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.927096][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.927096][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.927096][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.927096][ T3767] [ 4432.929278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4432.929278][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4432.929278][ T3767] ipv6_find_idev+0x102/0x170 [ 4432.929278][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4432.929278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.929278][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.929278][ T3767] netlink_unicast+0x449/0x710 [ 4432.929278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.929278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.929278][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.929278][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.929278][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.929278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4432.929278][ T3767] [ 4432.930980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4432.930980][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4432.930980][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4432.930980][ T3767] ipv6_find_idev+0x102/0x170 [ 4432.930980][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4432.930980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4432.930980][ T3767] netlink_rcv_skb+0x130/0x360 [ 4432.930980][ T3767] netlink_unicast+0x449/0x710 [ 4432.930980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4432.930980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4432.930980][ T3767] ___sys_sendmsg+0xee/0x170 [ 4432.930980][ T3767] __sys_sendmsg+0xcd/0x170 [ 4432.930980][ T3767] do_syscall_64+0xc6/0x1e0 [ 4432.930980][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4432.930980][ T3767] [ 4443.175976][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4443.176500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4443.176500][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4443.176500][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4443.176500][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4443.176500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4443.176500][ T3767] ip6_route_add+0x1c/0x140 [ 4443.176500][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4443.176500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.176500][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.176500][ T3767] netlink_unicast+0x449/0x710 [ 4443.176500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.176500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.176500][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.176500][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.176500][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.176500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.176500][ T3767] [ 4443.178585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4443.178585][ T3767] netdev_get_by_index+0x5e/0x80 [ 4443.178585][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4443.178585][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4443.178585][ T3767] ip6_route_add+0x1c/0x140 [ 4443.178585][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4443.178585][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4443.178585][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.178585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.178585][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.178585][ T3767] netlink_unicast+0x449/0x710 [ 4443.178585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.178585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.178585][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.178585][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.178585][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.178585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.178585][ T3767] [ 4443.180778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4443.180778][ T3767] netdev_get_by_index+0x5e/0x80 [ 4443.180778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4443.180778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4443.180778][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4443.180778][ T3767] ipv6_add_addr+0x411/0x2000 [ 4443.180778][ T3767] inet6_addr_add+0x30e/0xa40 [ 4443.180778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.180778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.180778][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.180778][ T3767] netlink_unicast+0x449/0x710 [ 4443.180778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.180778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.180778][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.180778][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.180778][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.180778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.180778][ T3767] [ 4443.182962][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4443.182962][ T3767] netdev_get_by_index+0x5e/0x80 [ 4443.182962][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4443.182962][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4443.182962][ T3767] ip6_route_add+0x1c/0x140 [ 4443.182962][ T3767] addrconf_add_mroute+0x129/0x180 [ 4443.182962][ T3767] addrconf_add_dev+0xe2/0x170 [ 4443.182962][ T3767] inet6_addr_add+0x12f/0xa40 [ 4443.182962][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4443.182962][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.182962][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.182962][ T3767] netlink_unicast+0x449/0x710 [ 4443.182962][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.182962][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.182962][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.182962][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.182962][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.182962][ T3767] [ 4443.185108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4443.185108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4443.185108][ T3767] ipv6_find_idev+0x102/0x170 [ 4443.185108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4443.185108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.185108][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.185108][ T3767] netlink_unicast+0x449/0x710 [ 4443.185108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.185108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.185108][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.185108][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.185108][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.185108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.185108][ T3767] [ 4443.186802][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4443.186802][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4443.186802][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4443.186802][ T3767] ipv6_find_idev+0x102/0x170 [ 4443.186802][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4443.186802][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4443.186802][ T3767] netlink_rcv_skb+0x130/0x360 [ 4443.186802][ T3767] netlink_unicast+0x449/0x710 [ 4443.186802][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4443.186802][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4443.186802][ T3767] ___sys_sendmsg+0xee/0x170 [ 4443.186802][ T3767] __sys_sendmsg+0xcd/0x170 [ 4443.186802][ T3767] do_syscall_64+0xc6/0x1e0 [ 4443.186802][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4443.186802][ T3767] [ 4453.423980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4453.424496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4453.424496][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4453.424496][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4453.424496][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4453.424496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4453.424496][ T3767] ip6_route_add+0x1c/0x140 [ 4453.424496][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4453.424496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.424496][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.424496][ T3767] netlink_unicast+0x449/0x710 [ 4453.424496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.424496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.424496][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.424496][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.424496][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.424496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.424496][ T3767] [ 4453.427144][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4453.427144][ T3767] netdev_get_by_index+0x5e/0x80 [ 4453.427144][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4453.427144][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4453.427144][ T3767] ip6_route_add+0x1c/0x140 [ 4453.427144][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4453.427144][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4453.427144][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.427144][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.427144][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.427144][ T3767] netlink_unicast+0x449/0x710 [ 4453.427144][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.427144][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.427144][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.427144][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.427144][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.427144][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.427144][ T3767] [ 4453.429337][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4453.429337][ T3767] netdev_get_by_index+0x5e/0x80 [ 4453.429337][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4453.429337][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4453.429337][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4453.429337][ T3767] ipv6_add_addr+0x411/0x2000 [ 4453.429337][ T3767] inet6_addr_add+0x30e/0xa40 [ 4453.429337][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.429337][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.429337][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.429337][ T3767] netlink_unicast+0x449/0x710 [ 4453.429337][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.429337][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.429337][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.429337][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.429337][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.429337][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.429337][ T3767] [ 4453.431526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4453.431526][ T3767] netdev_get_by_index+0x5e/0x80 [ 4453.431526][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4453.431526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4453.431526][ T3767] ip6_route_add+0x1c/0x140 [ 4453.431526][ T3767] addrconf_add_mroute+0x129/0x180 [ 4453.431526][ T3767] addrconf_add_dev+0xe2/0x170 [ 4453.431526][ T3767] inet6_addr_add+0x12f/0xa40 [ 4453.431526][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4453.431526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.431526][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.431526][ T3767] netlink_unicast+0x449/0x710 [ 4453.431526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.431526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.431526][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.431526][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.431526][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.431526][ T3767] [ 4453.433689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4453.433689][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4453.433689][ T3767] ipv6_find_idev+0x102/0x170 [ 4453.433689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4453.433689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.433689][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.433689][ T3767] netlink_unicast+0x449/0x710 [ 4453.433689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.433689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.433689][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.433689][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.433689][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.433689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.433689][ T3767] [ 4453.435386][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4453.435386][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4453.435386][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4453.435386][ T3767] ipv6_find_idev+0x102/0x170 [ 4453.435386][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4453.435386][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4453.435386][ T3767] netlink_rcv_skb+0x130/0x360 [ 4453.435386][ T3767] netlink_unicast+0x449/0x710 [ 4453.435386][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4453.435386][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4453.435386][ T3767] ___sys_sendmsg+0xee/0x170 [ 4453.435386][ T3767] __sys_sendmsg+0xcd/0x170 [ 4453.435386][ T3767] do_syscall_64+0xc6/0x1e0 [ 4453.435386][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4453.435386][ T3767] [ 4463.679938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4463.680450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4463.680450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4463.680450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4463.680450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4463.680450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4463.680450][ T3767] ip6_route_add+0x1c/0x140 [ 4463.680450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4463.680450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.680450][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.680450][ T3767] netlink_unicast+0x449/0x710 [ 4463.680450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.680450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.680450][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.680450][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.680450][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.680450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.680450][ T3767] [ 4463.682749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4463.682749][ T3767] netdev_get_by_index+0x5e/0x80 [ 4463.682749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4463.682749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4463.682749][ T3767] ip6_route_add+0x1c/0x140 [ 4463.682749][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4463.682749][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4463.682749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.682749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.682749][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.682749][ T3767] netlink_unicast+0x449/0x710 [ 4463.682749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.682749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.682749][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.682749][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.682749][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.682749][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.682749][ T3767] [ 4463.685156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4463.685156][ T3767] netdev_get_by_index+0x5e/0x80 [ 4463.685156][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4463.685156][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4463.685156][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4463.685156][ T3767] ipv6_add_addr+0x411/0x2000 [ 4463.685156][ T3767] inet6_addr_add+0x30e/0xa40 [ 4463.685156][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.685156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.685156][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.685156][ T3767] netlink_unicast+0x449/0x710 [ 4463.685156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.685156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.685156][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.685156][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.685156][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.685156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.685156][ T3767] [ 4463.687567][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4463.687567][ T3767] netdev_get_by_index+0x5e/0x80 [ 4463.687567][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4463.687567][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4463.687567][ T3767] ip6_route_add+0x1c/0x140 [ 4463.687567][ T3767] addrconf_add_mroute+0x129/0x180 [ 4463.687567][ T3767] addrconf_add_dev+0xe2/0x170 [ 4463.687567][ T3767] inet6_addr_add+0x12f/0xa40 [ 4463.687567][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4463.687567][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.687567][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.687567][ T3767] netlink_unicast+0x449/0x710 [ 4463.687567][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.687567][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.687567][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.687567][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.687567][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.687567][ T3767] [ 4463.689944][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4463.689944][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4463.689944][ T3767] ipv6_find_idev+0x102/0x170 [ 4463.689944][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4463.689944][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.689944][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.689944][ T3767] netlink_unicast+0x449/0x710 [ 4463.689944][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.689944][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.689944][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.689944][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.689944][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.689944][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.689944][ T3767] [ 4463.691778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4463.691778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4463.691778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4463.691778][ T3767] ipv6_find_idev+0x102/0x170 [ 4463.691778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4463.691778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4463.691778][ T3767] netlink_rcv_skb+0x130/0x360 [ 4463.691778][ T3767] netlink_unicast+0x449/0x710 [ 4463.691778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4463.691778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4463.691778][ T3767] ___sys_sendmsg+0xee/0x170 [ 4463.691778][ T3767] __sys_sendmsg+0xcd/0x170 [ 4463.691778][ T3767] do_syscall_64+0xc6/0x1e0 [ 4463.691778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4463.691778][ T3767] [ 4473.935984][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4473.936481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4473.936481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4473.936481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4473.936481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4473.936481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4473.936481][ T3767] ip6_route_add+0x1c/0x140 [ 4473.936481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4473.936481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.936481][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.936481][ T3767] netlink_unicast+0x449/0x710 [ 4473.936481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.936481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.936481][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.936481][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.936481][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.936481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.936481][ T3767] [ 4473.938755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4473.938755][ T3767] netdev_get_by_index+0x5e/0x80 [ 4473.938755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4473.938755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4473.938755][ T3767] ip6_route_add+0x1c/0x140 [ 4473.938755][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4473.938755][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4473.938755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.938755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.938755][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.938755][ T3767] netlink_unicast+0x449/0x710 [ 4473.938755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.938755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.938755][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.938755][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.938755][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.938755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.938755][ T3767] [ 4473.941153][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4473.941153][ T3767] netdev_get_by_index+0x5e/0x80 [ 4473.941153][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4473.941153][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4473.941153][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4473.941153][ T3767] ipv6_add_addr+0x411/0x2000 [ 4473.941153][ T3767] inet6_addr_add+0x30e/0xa40 [ 4473.941153][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.941153][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.941153][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.941153][ T3767] netlink_unicast+0x449/0x710 [ 4473.941153][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.941153][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.941153][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.941153][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.941153][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.941153][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.941153][ T3767] [ 4473.943555][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4473.943555][ T3767] netdev_get_by_index+0x5e/0x80 [ 4473.943555][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4473.943555][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4473.943555][ T3767] ip6_route_add+0x1c/0x140 [ 4473.943555][ T3767] addrconf_add_mroute+0x129/0x180 [ 4473.943555][ T3767] addrconf_add_dev+0xe2/0x170 [ 4473.943555][ T3767] inet6_addr_add+0x12f/0xa40 [ 4473.943555][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4473.943555][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.943555][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.943555][ T3767] netlink_unicast+0x449/0x710 [ 4473.943555][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.943555][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.943555][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.943555][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.943555][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.943555][ T3767] [ 4473.945921][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4473.945921][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4473.945921][ T3767] ipv6_find_idev+0x102/0x170 [ 4473.945921][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4473.945921][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.945921][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.945921][ T3767] netlink_unicast+0x449/0x710 [ 4473.945921][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.945921][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.945921][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.945921][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.945921][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.945921][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.945921][ T3767] [ 4473.947767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4473.947767][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4473.947767][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4473.947767][ T3767] ipv6_find_idev+0x102/0x170 [ 4473.947767][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4473.947767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4473.947767][ T3767] netlink_rcv_skb+0x130/0x360 [ 4473.947767][ T3767] netlink_unicast+0x449/0x710 [ 4473.947767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4473.947767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4473.947767][ T3767] ___sys_sendmsg+0xee/0x170 [ 4473.947767][ T3767] __sys_sendmsg+0xcd/0x170 [ 4473.947767][ T3767] do_syscall_64+0xc6/0x1e0 [ 4473.947767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4473.947767][ T3767] [ 4484.191947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4484.192459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4484.192459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4484.192459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4484.192459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4484.192459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4484.192459][ T3767] ip6_route_add+0x1c/0x140 [ 4484.192459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4484.192459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.192459][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.192459][ T3767] netlink_unicast+0x449/0x710 [ 4484.192459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.192459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.192459][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.192459][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.192459][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.192459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4484.192459][ T3767] [ 4484.194559][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4484.194559][ T3767] netdev_get_by_index+0x5e/0x80 [ 4484.194559][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4484.194559][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4484.194559][ T3767] ip6_route_add+0x1c/0x140 [ 4484.194559][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4484.194559][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4484.194559][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4484.194559][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.194559][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.194559][ T3767] netlink_unicast+0x449/0x710 [ 4484.194559][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.194559][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.194559][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.194559][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.194559][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.194559][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4484.194559][ T3767] [ 4484.196761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4484.196761][ T3767] netdev_get_by_index+0x5e/0x80 [ 4484.196761][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4484.196761][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4484.196761][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4484.196761][ T3767] ipv6_add_addr+0x411/0x2000 [ 4484.196761][ T3767] inet6_addr_add+0x30e/0xa40 [ 4484.196761][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4484.196761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.196761][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.196761][ T3767] netlink_unicast+0x449/0x710 [ 4484.196761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.196761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.196761][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.196761][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.196761][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.196761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4484.196761][ T3767] [ 4484.198949][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4484.198949][ T3767] netdev_get_by_index+0x5e/0x80 [ 4484.198949][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4484.198949][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4484.198949][ T3767] ip6_route_add+0x1c/0x140 [ 4484.198949][ T3767] addrconf_add_mroute+0x129/0x180 [ 4484.198949][ T3767] addrconf_add_dev+0xe2/0x170 [ 4484.198949][ T3767] inet6_addr_add+0x12f/0xa40 [ 4484.198949][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4484.198949][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.198949][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.198949][ T3767] netlink_unicast+0x449/0x710 [ 4484.198949][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.198949][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.198949][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.198949][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.198949][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.198949][ T3767] [ 4484.201095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4484.201095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4484.201095][ T3767] ipv6_find_idev+0x102/0x170 [ 4484.201095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4484.201095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.201095][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.201095][ T3767] netlink_unicast+0x449/0x710 [ 4484.201095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.201095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.201095][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.201095][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.201095][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.201095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4484.201095][ T3767] [ 4484.202776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4484.202776][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4484.202776][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4484.202776][ T3767] ipv6_find_idev+0x102/0x170 [ 4484.202776][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4484.202776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4484.202776][ T3767] netlink_rcv_skb+0x130/0x360 [ 4484.202776][ T3767] netlink_unicast+0x449/0x710 [ 4484.202776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4484.202776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4484.202776][ T3767] ___sys_sendmsg+0xee/0x170 [ 4484.202776][ T3767] __sys_sendmsg+0xcd/0x170 [ 4484.202776][ T3767] do_syscall_64+0xc6/0x1e0 [ 4484.202776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4484.202776][ T3767] [ 4494.264000][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4494.264515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4494.264515][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4494.264515][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4494.264515][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4494.264515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4494.264515][ T3767] ip6_route_add+0x1c/0x140 [ 4494.264515][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4494.264515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.264515][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.264515][ T3767] netlink_unicast+0x449/0x710 [ 4494.264515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.264515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.264515][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.264515][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.264515][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.264515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4494.264515][ T3767] [ 4494.266631][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4494.266631][ T3767] netdev_get_by_index+0x5e/0x80 [ 4494.266631][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4494.266631][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4494.266631][ T3767] ip6_route_add+0x1c/0x140 [ 4494.266631][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4494.266631][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4494.266631][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4494.266631][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.266631][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.266631][ T3767] netlink_unicast+0x449/0x710 [ 4494.266631][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.266631][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.266631][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.266631][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.266631][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.266631][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4494.266631][ T3767] [ 4494.268809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4494.268809][ T3767] netdev_get_by_index+0x5e/0x80 [ 4494.268809][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4494.268809][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4494.268809][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4494.268809][ T3767] ipv6_add_addr+0x411/0x2000 [ 4494.268809][ T3767] inet6_addr_add+0x30e/0xa40 [ 4494.268809][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4494.268809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.268809][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.268809][ T3767] netlink_unicast+0x449/0x710 [ 4494.268809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.268809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.268809][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.268809][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.268809][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.268809][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4494.268809][ T3767] [ 4494.270987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4494.270987][ T3767] netdev_get_by_index+0x5e/0x80 [ 4494.270987][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4494.270987][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4494.270987][ T3767] ip6_route_add+0x1c/0x140 [ 4494.270987][ T3767] addrconf_add_mroute+0x129/0x180 [ 4494.270987][ T3767] addrconf_add_dev+0xe2/0x170 [ 4494.270987][ T3767] inet6_addr_add+0x12f/0xa40 [ 4494.270987][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4494.270987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.270987][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.270987][ T3767] netlink_unicast+0x449/0x710 [ 4494.270987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.270987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.270987][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.270987][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.270987][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.270987][ T3767] [ 4494.273126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4494.273126][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4494.273126][ T3767] ipv6_find_idev+0x102/0x170 [ 4494.273126][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4494.273126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.273126][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.273126][ T3767] netlink_unicast+0x449/0x710 [ 4494.273126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.273126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.273126][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.273126][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.273126][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.273126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4494.273126][ T3767] [ 4494.274810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4494.274810][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4494.274810][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4494.274810][ T3767] ipv6_find_idev+0x102/0x170 [ 4494.274810][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4494.274810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4494.274810][ T3767] netlink_rcv_skb+0x130/0x360 [ 4494.274810][ T3767] netlink_unicast+0x449/0x710 [ 4494.274810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4494.274810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4494.274810][ T3767] ___sys_sendmsg+0xee/0x170 [ 4494.274810][ T3767] __sys_sendmsg+0xcd/0x170 [ 4494.274810][ T3767] do_syscall_64+0xc6/0x1e0 [ 4494.274810][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4494.274810][ T3767] [ 4504.511971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4504.512487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4504.512487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4504.512487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4504.512487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4504.512487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4504.512487][ T3767] ip6_route_add+0x1c/0x140 [ 4504.512487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4504.512487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.512487][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.512487][ T3767] netlink_unicast+0x449/0x710 [ 4504.512487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.512487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.512487][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.512487][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.512487][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.512487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4504.512487][ T3767] [ 4504.514566][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4504.514566][ T3767] netdev_get_by_index+0x5e/0x80 [ 4504.514566][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4504.514566][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4504.514566][ T3767] ip6_route_add+0x1c/0x140 [ 4504.514566][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4504.514566][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4504.514566][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4504.514566][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.514566][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.514566][ T3767] netlink_unicast+0x449/0x710 [ 4504.514566][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.514566][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.514566][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.514566][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.514566][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.514566][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4504.514566][ T3767] [ 4504.516764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4504.516764][ T3767] netdev_get_by_index+0x5e/0x80 [ 4504.516764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4504.516764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4504.516764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4504.516764][ T3767] ipv6_add_addr+0x411/0x2000 [ 4504.516764][ T3767] inet6_addr_add+0x30e/0xa40 [ 4504.516764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4504.516764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.516764][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.516764][ T3767] netlink_unicast+0x449/0x710 [ 4504.516764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.516764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.516764][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.516764][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.516764][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.516764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4504.516764][ T3767] [ 4504.518944][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4504.518944][ T3767] netdev_get_by_index+0x5e/0x80 [ 4504.518944][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4504.518944][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4504.518944][ T3767] ip6_route_add+0x1c/0x140 [ 4504.518944][ T3767] addrconf_add_mroute+0x129/0x180 [ 4504.518944][ T3767] addrconf_add_dev+0xe2/0x170 [ 4504.518944][ T3767] inet6_addr_add+0x12f/0xa40 [ 4504.518944][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4504.518944][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.518944][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.518944][ T3767] netlink_unicast+0x449/0x710 [ 4504.518944][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.518944][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.518944][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.518944][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.518944][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.518944][ T3767] [ 4504.521089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4504.521089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4504.521089][ T3767] ipv6_find_idev+0x102/0x170 [ 4504.521089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4504.521089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.521089][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.521089][ T3767] netlink_unicast+0x449/0x710 [ 4504.521089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.521089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.521089][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.521089][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.521089][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.521089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4504.521089][ T3767] [ 4504.522774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4504.522774][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4504.522774][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4504.522774][ T3767] ipv6_find_idev+0x102/0x170 [ 4504.522774][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4504.522774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4504.522774][ T3767] netlink_rcv_skb+0x130/0x360 [ 4504.522774][ T3767] netlink_unicast+0x449/0x710 [ 4504.522774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4504.522774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4504.522774][ T3767] ___sys_sendmsg+0xee/0x170 [ 4504.522774][ T3767] __sys_sendmsg+0xcd/0x170 [ 4504.522774][ T3767] do_syscall_64+0xc6/0x1e0 [ 4504.522774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4504.522774][ T3767] [ 4514.759958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4514.760482][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4514.760482][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4514.760482][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4514.760482][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4514.760482][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4514.760482][ T3767] ip6_route_add+0x1c/0x140 [ 4514.760482][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4514.760482][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.760482][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.760482][ T3767] netlink_unicast+0x449/0x710 [ 4514.760482][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.760482][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.760482][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.760482][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.760482][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.760482][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.760482][ T3767] [ 4514.762772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4514.762772][ T3767] netdev_get_by_index+0x5e/0x80 [ 4514.762772][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4514.762772][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4514.762772][ T3767] ip6_route_add+0x1c/0x140 [ 4514.762772][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4514.762772][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4514.762772][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.762772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.762772][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.762772][ T3767] netlink_unicast+0x449/0x710 [ 4514.762772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.762772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.762772][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.762772][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.762772][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.762772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.762772][ T3767] [ 4514.765187][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4514.765187][ T3767] netdev_get_by_index+0x5e/0x80 [ 4514.765187][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4514.765187][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4514.765187][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4514.765187][ T3767] ipv6_add_addr+0x411/0x2000 [ 4514.765187][ T3767] inet6_addr_add+0x30e/0xa40 [ 4514.765187][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.765187][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.765187][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.765187][ T3767] netlink_unicast+0x449/0x710 [ 4514.765187][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.765187][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.765187][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.765187][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.765187][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.765187][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.765187][ T3767] [ 4514.767691][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4514.767691][ T3767] netdev_get_by_index+0x5e/0x80 [ 4514.767691][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4514.767691][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4514.767691][ T3767] ip6_route_add+0x1c/0x140 [ 4514.767691][ T3767] addrconf_add_mroute+0x129/0x180 [ 4514.767691][ T3767] addrconf_add_dev+0xe2/0x170 [ 4514.767691][ T3767] inet6_addr_add+0x12f/0xa40 [ 4514.767691][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4514.767691][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.767691][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.767691][ T3767] netlink_unicast+0x449/0x710 [ 4514.767691][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.767691][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.767691][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.767691][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.767691][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.767691][ T3767] [ 4514.770047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4514.770047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4514.770047][ T3767] ipv6_find_idev+0x102/0x170 [ 4514.770047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4514.770047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.770047][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.770047][ T3767] netlink_unicast+0x449/0x710 [ 4514.770047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.770047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.770047][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.770047][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.770047][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.770047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.770047][ T3767] [ 4514.771890][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4514.771890][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4514.771890][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4514.771890][ T3767] ipv6_find_idev+0x102/0x170 [ 4514.771890][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4514.771890][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4514.771890][ T3767] netlink_rcv_skb+0x130/0x360 [ 4514.771890][ T3767] netlink_unicast+0x449/0x710 [ 4514.771890][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4514.771890][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4514.771890][ T3767] ___sys_sendmsg+0xee/0x170 [ 4514.771890][ T3767] __sys_sendmsg+0xcd/0x170 [ 4514.771890][ T3767] do_syscall_64+0xc6/0x1e0 [ 4514.771890][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4514.771890][ T3767] [ 4525.015962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4525.016401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4525.016401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4525.016401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4525.016401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4525.016401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4525.016401][ T3767] ip6_route_add+0x1c/0x140 [ 4525.016401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4525.016401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.016401][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.016401][ T3767] netlink_unicast+0x449/0x710 [ 4525.016401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.016401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.016401][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.016401][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.016401][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.016401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4525.016401][ T3767] [ 4525.018512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4525.018512][ T3767] netdev_get_by_index+0x5e/0x80 [ 4525.018512][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4525.018512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4525.018512][ T3767] ip6_route_add+0x1c/0x140 [ 4525.018512][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4525.018512][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4525.018512][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4525.018512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.018512][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.018512][ T3767] netlink_unicast+0x449/0x710 [ 4525.018512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.018512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.018512][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.018512][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.018512][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.018512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4525.018512][ T3767] [ 4525.020706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4525.020706][ T3767] netdev_get_by_index+0x5e/0x80 [ 4525.020706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4525.020706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4525.020706][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4525.020706][ T3767] ipv6_add_addr+0x411/0x2000 [ 4525.020706][ T3767] inet6_addr_add+0x30e/0xa40 [ 4525.020706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4525.020706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.020706][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.020706][ T3767] netlink_unicast+0x449/0x710 [ 4525.020706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.020706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.020706][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.020706][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.020706][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.020706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4525.020706][ T3767] [ 4525.022900][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4525.022900][ T3767] netdev_get_by_index+0x5e/0x80 [ 4525.022900][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4525.022900][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4525.022900][ T3767] ip6_route_add+0x1c/0x140 [ 4525.022900][ T3767] addrconf_add_mroute+0x129/0x180 [ 4525.022900][ T3767] addrconf_add_dev+0xe2/0x170 [ 4525.022900][ T3767] inet6_addr_add+0x12f/0xa40 [ 4525.022900][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4525.022900][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.022900][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.022900][ T3767] netlink_unicast+0x449/0x710 [ 4525.022900][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.022900][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.022900][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.022900][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.022900][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.022900][ T3767] [ 4525.025047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4525.025047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4525.025047][ T3767] ipv6_find_idev+0x102/0x170 [ 4525.025047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4525.025047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.025047][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.025047][ T3767] netlink_unicast+0x449/0x710 [ 4525.025047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.025047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.025047][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.025047][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.025047][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.025047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4525.025047][ T3767] [ 4525.026794][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4525.026794][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4525.026794][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4525.026794][ T3767] ipv6_find_idev+0x102/0x170 [ 4525.026794][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4525.026794][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4525.026794][ T3767] netlink_rcv_skb+0x130/0x360 [ 4525.026794][ T3767] netlink_unicast+0x449/0x710 [ 4525.026794][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4525.026794][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4525.026794][ T3767] ___sys_sendmsg+0xee/0x170 [ 4525.026794][ T3767] __sys_sendmsg+0xcd/0x170 [ 4525.026794][ T3767] do_syscall_64+0xc6/0x1e0 [ 4525.026794][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4525.026794][ T3767] [ 4535.263978][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4535.264490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4535.264490][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4535.264490][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4535.264490][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4535.264490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4535.264490][ T3767] ip6_route_add+0x1c/0x140 [ 4535.264490][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4535.264490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.264490][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.264490][ T3767] netlink_unicast+0x449/0x710 [ 4535.264490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.264490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.264490][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.264490][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.264490][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.264490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4535.264490][ T3767] [ 4535.267065][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4535.267065][ T3767] netdev_get_by_index+0x5e/0x80 [ 4535.267065][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4535.267065][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4535.267065][ T3767] ip6_route_add+0x1c/0x140 [ 4535.267065][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4535.267065][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4535.267065][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4535.267065][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.267065][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.267065][ T3767] netlink_unicast+0x449/0x710 [ 4535.267065][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.267065][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.267065][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.267065][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.267065][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.267065][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4535.267065][ T3767] [ 4535.269750][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4535.269750][ T3767] netdev_get_by_index+0x5e/0x80 [ 4535.269750][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4535.269750][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4535.269750][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4535.269750][ T3767] ipv6_add_addr+0x411/0x2000 [ 4535.269750][ T3767] inet6_addr_add+0x30e/0xa40 [ 4535.269750][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4535.269750][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.269750][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.269750][ T3767] netlink_unicast+0x449/0x710 [ 4535.269750][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.269750][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.269750][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.269750][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.269750][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.269750][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4535.269750][ T3767] [ 4535.272437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4535.272437][ T3767] netdev_get_by_index+0x5e/0x80 [ 4535.272437][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4535.272437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4535.272437][ T3767] ip6_route_add+0x1c/0x140 [ 4535.272437][ T3767] addrconf_add_mroute+0x129/0x180 [ 4535.272437][ T3767] addrconf_add_dev+0xe2/0x170 [ 4535.272437][ T3767] inet6_addr_add+0x12f/0xa40 [ 4535.272437][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4535.272437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.272437][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.272437][ T3767] netlink_unicast+0x449/0x710 [ 4535.272437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.272437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.272437][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.272437][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.272437][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.272437][ T3767] [ 4535.275073][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4535.275073][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4535.275073][ T3767] ipv6_find_idev+0x102/0x170 [ 4535.275073][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4535.275073][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.275073][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.275073][ T3767] netlink_unicast+0x449/0x710 [ 4535.275073][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.275073][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.275073][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.275073][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.275073][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.275073][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4535.275073][ T3767] [ 4535.277151][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4535.277151][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4535.277151][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4535.277151][ T3767] ipv6_find_idev+0x102/0x170 [ 4535.277151][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4535.277151][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4535.277151][ T3767] netlink_rcv_skb+0x130/0x360 [ 4535.277151][ T3767] netlink_unicast+0x449/0x710 [ 4535.277151][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4535.277151][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4535.277151][ T3767] ___sys_sendmsg+0xee/0x170 [ 4535.277151][ T3767] __sys_sendmsg+0xcd/0x170 [ 4535.277151][ T3767] do_syscall_64+0xc6/0x1e0 [ 4535.277151][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4535.277151][ T3767] [ 4545.519974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4545.520469][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4545.520469][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4545.520469][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4545.520469][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4545.520469][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4545.520469][ T3767] ip6_route_add+0x1c/0x140 [ 4545.520469][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4545.520469][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.520469][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.520469][ T3767] netlink_unicast+0x449/0x710 [ 4545.520469][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.520469][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.520469][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.520469][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.520469][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.520469][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4545.520469][ T3767] [ 4545.522585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4545.522585][ T3767] netdev_get_by_index+0x5e/0x80 [ 4545.522585][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4545.522585][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4545.522585][ T3767] ip6_route_add+0x1c/0x140 [ 4545.522585][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4545.522585][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4545.522585][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4545.522585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.522585][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.522585][ T3767] netlink_unicast+0x449/0x710 [ 4545.522585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.522585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.522585][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.522585][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.522585][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.522585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4545.522585][ T3767] [ 4545.524813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4545.524813][ T3767] netdev_get_by_index+0x5e/0x80 [ 4545.524813][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4545.524813][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4545.524813][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4545.524813][ T3767] ipv6_add_addr+0x411/0x2000 [ 4545.524813][ T3767] inet6_addr_add+0x30e/0xa40 [ 4545.524813][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4545.524813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.524813][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.524813][ T3767] netlink_unicast+0x449/0x710 [ 4545.524813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.524813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.524813][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.524813][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.524813][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.524813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4545.524813][ T3767] [ 4545.527056][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4545.527056][ T3767] netdev_get_by_index+0x5e/0x80 [ 4545.527056][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4545.527056][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4545.527056][ T3767] ip6_route_add+0x1c/0x140 [ 4545.527056][ T3767] addrconf_add_mroute+0x129/0x180 [ 4545.527056][ T3767] addrconf_add_dev+0xe2/0x170 [ 4545.527056][ T3767] inet6_addr_add+0x12f/0xa40 [ 4545.527056][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4545.527056][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.527056][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.527056][ T3767] netlink_unicast+0x449/0x710 [ 4545.527056][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.527056][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.527056][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.527056][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.527056][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.527056][ T3767] [ 4545.529236][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4545.529236][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4545.529236][ T3767] ipv6_find_idev+0x102/0x170 [ 4545.529236][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4545.529236][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.529236][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.529236][ T3767] netlink_unicast+0x449/0x710 [ 4545.529236][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.529236][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.529236][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.529236][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.529236][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.529236][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4545.529236][ T3767] [ 4545.530939][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4545.530939][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4545.530939][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4545.530939][ T3767] ipv6_find_idev+0x102/0x170 [ 4545.530939][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4545.530939][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4545.530939][ T3767] netlink_rcv_skb+0x130/0x360 [ 4545.530939][ T3767] netlink_unicast+0x449/0x710 [ 4545.530939][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4545.530939][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4545.530939][ T3767] ___sys_sendmsg+0xee/0x170 [ 4545.530939][ T3767] __sys_sendmsg+0xcd/0x170 [ 4545.530939][ T3767] do_syscall_64+0xc6/0x1e0 [ 4545.530939][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4545.530939][ T3767] [ 4555.775921][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4555.776462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4555.776462][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4555.776462][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4555.776462][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4555.776462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4555.776462][ T3767] ip6_route_add+0x1c/0x140 [ 4555.776462][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4555.776462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.776462][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.776462][ T3767] netlink_unicast+0x449/0x710 [ 4555.776462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.776462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.776462][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.776462][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.776462][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.776462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.776462][ T3767] [ 4555.778639][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4555.778639][ T3767] netdev_get_by_index+0x5e/0x80 [ 4555.778639][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4555.778639][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4555.778639][ T3767] ip6_route_add+0x1c/0x140 [ 4555.778639][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4555.778639][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4555.778639][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.778639][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.778639][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.778639][ T3767] netlink_unicast+0x449/0x710 [ 4555.778639][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.778639][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.778639][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.778639][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.778639][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.778639][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.778639][ T3767] [ 4555.780860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4555.780860][ T3767] netdev_get_by_index+0x5e/0x80 [ 4555.780860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4555.780860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4555.780860][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4555.780860][ T3767] ipv6_add_addr+0x411/0x2000 [ 4555.780860][ T3767] inet6_addr_add+0x30e/0xa40 [ 4555.780860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.780860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.780860][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.780860][ T3767] netlink_unicast+0x449/0x710 [ 4555.780860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.780860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.780860][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.780860][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.780860][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.780860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.780860][ T3767] [ 4555.783091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4555.783091][ T3767] netdev_get_by_index+0x5e/0x80 [ 4555.783091][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4555.783091][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4555.783091][ T3767] ip6_route_add+0x1c/0x140 [ 4555.783091][ T3767] addrconf_add_mroute+0x129/0x180 [ 4555.783091][ T3767] addrconf_add_dev+0xe2/0x170 [ 4555.783091][ T3767] inet6_addr_add+0x12f/0xa40 [ 4555.783091][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4555.783091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.783091][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.783091][ T3767] netlink_unicast+0x449/0x710 [ 4555.783091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.783091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.783091][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.783091][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.783091][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.783091][ T3767] [ 4555.785275][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4555.785275][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4555.785275][ T3767] ipv6_find_idev+0x102/0x170 [ 4555.785275][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4555.785275][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.785275][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.785275][ T3767] netlink_unicast+0x449/0x710 [ 4555.785275][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.785275][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.785275][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.785275][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.785275][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.785275][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.785275][ T3767] [ 4555.786974][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4555.786974][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4555.786974][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4555.786974][ T3767] ipv6_find_idev+0x102/0x170 [ 4555.786974][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4555.786974][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4555.786974][ T3767] netlink_rcv_skb+0x130/0x360 [ 4555.786974][ T3767] netlink_unicast+0x449/0x710 [ 4555.786974][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4555.786974][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4555.786974][ T3767] ___sys_sendmsg+0xee/0x170 [ 4555.786974][ T3767] __sys_sendmsg+0xcd/0x170 [ 4555.786974][ T3767] do_syscall_64+0xc6/0x1e0 [ 4555.786974][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4555.786974][ T3767] [ 4566.031949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4566.032421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4566.032421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4566.032421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4566.032421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4566.032421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4566.032421][ T3767] ip6_route_add+0x1c/0x140 [ 4566.032421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4566.032421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.032421][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.032421][ T3767] netlink_unicast+0x449/0x710 [ 4566.032421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.032421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.032421][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.032421][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.032421][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.032421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4566.032421][ T3767] [ 4566.034659][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4566.034659][ T3767] netdev_get_by_index+0x5e/0x80 [ 4566.034659][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4566.034659][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4566.034659][ T3767] ip6_route_add+0x1c/0x140 [ 4566.034659][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4566.034659][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4566.034659][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4566.034659][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.034659][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.034659][ T3767] netlink_unicast+0x449/0x710 [ 4566.034659][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.034659][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.034659][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.034659][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.034659][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.034659][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4566.034659][ T3767] [ 4566.036879][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4566.036879][ T3767] netdev_get_by_index+0x5e/0x80 [ 4566.036879][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4566.036879][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4566.036879][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4566.036879][ T3767] ipv6_add_addr+0x411/0x2000 [ 4566.036879][ T3767] inet6_addr_add+0x30e/0xa40 [ 4566.036879][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4566.036879][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.036879][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.036879][ T3767] netlink_unicast+0x449/0x710 [ 4566.036879][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.036879][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.036879][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.036879][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.036879][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.036879][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4566.036879][ T3767] [ 4566.039087][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4566.039087][ T3767] netdev_get_by_index+0x5e/0x80 [ 4566.039087][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4566.039087][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4566.039087][ T3767] ip6_route_add+0x1c/0x140 [ 4566.039087][ T3767] addrconf_add_mroute+0x129/0x180 [ 4566.039087][ T3767] addrconf_add_dev+0xe2/0x170 [ 4566.039087][ T3767] inet6_addr_add+0x12f/0xa40 [ 4566.039087][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4566.039087][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.039087][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.039087][ T3767] netlink_unicast+0x449/0x710 [ 4566.039087][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.039087][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.039087][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.039087][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.039087][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.039087][ T3767] [ 4566.041273][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4566.041273][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4566.041273][ T3767] ipv6_find_idev+0x102/0x170 [ 4566.041273][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4566.041273][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.041273][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.041273][ T3767] netlink_unicast+0x449/0x710 [ 4566.041273][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.041273][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.041273][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.041273][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.041273][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.041273][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4566.041273][ T3767] [ 4566.042971][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4566.042971][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4566.042971][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4566.042971][ T3767] ipv6_find_idev+0x102/0x170 [ 4566.042971][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4566.042971][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4566.042971][ T3767] netlink_rcv_skb+0x130/0x360 [ 4566.042971][ T3767] netlink_unicast+0x449/0x710 [ 4566.042971][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4566.042971][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4566.042971][ T3767] ___sys_sendmsg+0xee/0x170 [ 4566.042971][ T3767] __sys_sendmsg+0xcd/0x170 [ 4566.042971][ T3767] do_syscall_64+0xc6/0x1e0 [ 4566.042971][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4566.042971][ T3767] [ 4576.287944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4576.288459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4576.288459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4576.288459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4576.288459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4576.288459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4576.288459][ T3767] ip6_route_add+0x1c/0x140 [ 4576.288459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4576.288459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.288459][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.288459][ T3767] netlink_unicast+0x449/0x710 [ 4576.288459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.288459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.288459][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.288459][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.288459][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.288459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4576.288459][ T3767] [ 4576.290552][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4576.290552][ T3767] netdev_get_by_index+0x5e/0x80 [ 4576.290552][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4576.290552][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4576.290552][ T3767] ip6_route_add+0x1c/0x140 [ 4576.290552][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4576.290552][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4576.290552][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4576.290552][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.290552][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.290552][ T3767] netlink_unicast+0x449/0x710 [ 4576.290552][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.290552][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.290552][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.290552][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.290552][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.290552][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4576.290552][ T3767] [ 4576.292768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4576.292768][ T3767] netdev_get_by_index+0x5e/0x80 [ 4576.292768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4576.292768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4576.292768][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4576.292768][ T3767] ipv6_add_addr+0x411/0x2000 [ 4576.292768][ T3767] inet6_addr_add+0x30e/0xa40 [ 4576.292768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4576.292768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.292768][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.292768][ T3767] netlink_unicast+0x449/0x710 [ 4576.292768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.292768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.292768][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.292768][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.292768][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.292768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4576.292768][ T3767] [ 4576.294999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4576.294999][ T3767] netdev_get_by_index+0x5e/0x80 [ 4576.294999][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4576.294999][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4576.294999][ T3767] ip6_route_add+0x1c/0x140 [ 4576.294999][ T3767] addrconf_add_mroute+0x129/0x180 [ 4576.294999][ T3767] addrconf_add_dev+0xe2/0x170 [ 4576.294999][ T3767] inet6_addr_add+0x12f/0xa40 [ 4576.294999][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4576.294999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.294999][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.294999][ T3767] netlink_unicast+0x449/0x710 [ 4576.294999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.294999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.294999][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.294999][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.294999][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.294999][ T3767] [ 4576.297174][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4576.297174][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4576.297174][ T3767] ipv6_find_idev+0x102/0x170 [ 4576.297174][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4576.297174][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.297174][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.297174][ T3767] netlink_unicast+0x449/0x710 [ 4576.297174][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.297174][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.297174][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.297174][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.297174][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.297174][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4576.297174][ T3767] [ 4576.298866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4576.298866][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4576.298866][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4576.298866][ T3767] ipv6_find_idev+0x102/0x170 [ 4576.298866][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4576.298866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4576.298866][ T3767] netlink_rcv_skb+0x130/0x360 [ 4576.298866][ T3767] netlink_unicast+0x449/0x710 [ 4576.298866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4576.298866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4576.298866][ T3767] ___sys_sendmsg+0xee/0x170 [ 4576.298866][ T3767] __sys_sendmsg+0xcd/0x170 [ 4576.298866][ T3767] do_syscall_64+0xc6/0x1e0 [ 4576.298866][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4576.298866][ T3767] [ 4586.535891][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4586.536385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4586.536385][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4586.536385][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4586.536385][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4586.536385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4586.536385][ T3767] ip6_route_add+0x1c/0x140 [ 4586.536385][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4586.536385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.536385][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.536385][ T3767] netlink_unicast+0x449/0x710 [ 4586.536385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.536385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.536385][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.536385][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.536385][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.536385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4586.536385][ T3767] [ 4586.538755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4586.538755][ T3767] netdev_get_by_index+0x5e/0x80 [ 4586.538755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4586.538755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4586.538755][ T3767] ip6_route_add+0x1c/0x140 [ 4586.538755][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4586.538755][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4586.538755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4586.538755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.538755][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.538755][ T3767] netlink_unicast+0x449/0x710 [ 4586.538755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.538755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.538755][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.538755][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.538755][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.538755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4586.538755][ T3767] [ 4586.541250][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4586.541250][ T3767] netdev_get_by_index+0x5e/0x80 [ 4586.541250][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4586.541250][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4586.541250][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4586.541250][ T3767] ipv6_add_addr+0x411/0x2000 [ 4586.541250][ T3767] inet6_addr_add+0x30e/0xa40 [ 4586.541250][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4586.541250][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.541250][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.541250][ T3767] netlink_unicast+0x449/0x710 [ 4586.541250][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.541250][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.541250][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.541250][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.541250][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.541250][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4586.541250][ T3767] [ 4586.543730][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4586.543730][ T3767] netdev_get_by_index+0x5e/0x80 [ 4586.543730][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4586.543730][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4586.543730][ T3767] ip6_route_add+0x1c/0x140 [ 4586.543730][ T3767] addrconf_add_mroute+0x129/0x180 [ 4586.543730][ T3767] addrconf_add_dev+0xe2/0x170 [ 4586.543730][ T3767] inet6_addr_add+0x12f/0xa40 [ 4586.543730][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4586.543730][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.543730][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.543730][ T3767] netlink_unicast+0x449/0x710 [ 4586.543730][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.543730][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.543730][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.543730][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.543730][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.543730][ T3767] [ 4586.546229][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4586.546229][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4586.546229][ T3767] ipv6_find_idev+0x102/0x170 [ 4586.546229][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4586.546229][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.546229][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.546229][ T3767] netlink_unicast+0x449/0x710 [ 4586.546229][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.546229][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.546229][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.546229][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.546229][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.546229][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4586.546229][ T3767] [ 4586.548146][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4586.548146][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4586.548146][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4586.548146][ T3767] ipv6_find_idev+0x102/0x170 [ 4586.548146][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4586.548146][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4586.548146][ T3767] netlink_rcv_skb+0x130/0x360 [ 4586.548146][ T3767] netlink_unicast+0x449/0x710 [ 4586.548146][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4586.548146][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4586.548146][ T3767] ___sys_sendmsg+0xee/0x170 [ 4586.548146][ T3767] __sys_sendmsg+0xcd/0x170 [ 4586.548146][ T3767] do_syscall_64+0xc6/0x1e0 [ 4586.548146][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4586.548146][ T3767] [ 4596.687959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4596.688462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4596.688462][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4596.688462][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4596.688462][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4596.688462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4596.688462][ T3767] ip6_route_add+0x1c/0x140 [ 4596.688462][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4596.688462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.688462][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.688462][ T3767] netlink_unicast+0x449/0x710 [ 4596.688462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.688462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.688462][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.688462][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.688462][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.688462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.688462][ T3767] [ 4596.690546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4596.690546][ T3767] netdev_get_by_index+0x5e/0x80 [ 4596.690546][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4596.690546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4596.690546][ T3767] ip6_route_add+0x1c/0x140 [ 4596.690546][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4596.690546][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4596.690546][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.690546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.690546][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.690546][ T3767] netlink_unicast+0x449/0x710 [ 4596.690546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.690546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.690546][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.690546][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.690546][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.690546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.690546][ T3767] [ 4596.692727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4596.692727][ T3767] netdev_get_by_index+0x5e/0x80 [ 4596.692727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4596.692727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4596.692727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4596.692727][ T3767] ipv6_add_addr+0x411/0x2000 [ 4596.692727][ T3767] inet6_addr_add+0x30e/0xa40 [ 4596.692727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.692727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.692727][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.692727][ T3767] netlink_unicast+0x449/0x710 [ 4596.692727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.692727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.692727][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.692727][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.692727][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.692727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.692727][ T3767] [ 4596.694931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4596.694931][ T3767] netdev_get_by_index+0x5e/0x80 [ 4596.694931][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4596.694931][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4596.694931][ T3767] ip6_route_add+0x1c/0x140 [ 4596.694931][ T3767] addrconf_add_mroute+0x129/0x180 [ 4596.694931][ T3767] addrconf_add_dev+0xe2/0x170 [ 4596.694931][ T3767] inet6_addr_add+0x12f/0xa40 [ 4596.694931][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4596.694931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.694931][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.694931][ T3767] netlink_unicast+0x449/0x710 [ 4596.694931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.694931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.694931][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.694931][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.694931][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.694931][ T3767] [ 4596.697078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4596.697078][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4596.697078][ T3767] ipv6_find_idev+0x102/0x170 [ 4596.697078][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4596.697078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.697078][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.697078][ T3767] netlink_unicast+0x449/0x710 [ 4596.697078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.697078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.697078][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.697078][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.697078][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.697078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.697078][ T3767] [ 4596.698756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4596.698756][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4596.698756][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4596.698756][ T3767] ipv6_find_idev+0x102/0x170 [ 4596.698756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4596.698756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4596.698756][ T3767] netlink_rcv_skb+0x130/0x360 [ 4596.698756][ T3767] netlink_unicast+0x449/0x710 [ 4596.698756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4596.698756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4596.698756][ T3767] ___sys_sendmsg+0xee/0x170 [ 4596.698756][ T3767] __sys_sendmsg+0xcd/0x170 [ 4596.698756][ T3767] do_syscall_64+0xc6/0x1e0 [ 4596.698756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4596.698756][ T3767] [ 4606.951986][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4606.952525][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4606.952525][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4606.952525][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4606.952525][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4606.952525][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4606.952525][ T3767] ip6_route_add+0x1c/0x140 [ 4606.952525][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4606.952525][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.952525][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.952525][ T3767] netlink_unicast+0x449/0x710 [ 4606.952525][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.952525][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.952525][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.952525][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.952525][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.952525][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.952525][ T3767] [ 4606.954958][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4606.954958][ T3767] netdev_get_by_index+0x5e/0x80 [ 4606.954958][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4606.954958][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4606.954958][ T3767] ip6_route_add+0x1c/0x140 [ 4606.954958][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4606.954958][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4606.954958][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.954958][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.954958][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.954958][ T3767] netlink_unicast+0x449/0x710 [ 4606.954958][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.954958][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.954958][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.954958][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.954958][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.954958][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.954958][ T3767] [ 4606.957571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4606.957571][ T3767] netdev_get_by_index+0x5e/0x80 [ 4606.957571][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4606.957571][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4606.957571][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4606.957571][ T3767] ipv6_add_addr+0x411/0x2000 [ 4606.957571][ T3767] inet6_addr_add+0x30e/0xa40 [ 4606.957571][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.957571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.957571][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.957571][ T3767] netlink_unicast+0x449/0x710 [ 4606.957571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.957571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.957571][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.957571][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.957571][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.957571][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.957571][ T3767] [ 4606.960162][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4606.960162][ T3767] netdev_get_by_index+0x5e/0x80 [ 4606.960162][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4606.960162][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4606.960162][ T3767] ip6_route_add+0x1c/0x140 [ 4606.960162][ T3767] addrconf_add_mroute+0x129/0x180 [ 4606.960162][ T3767] addrconf_add_dev+0xe2/0x170 [ 4606.960162][ T3767] inet6_addr_add+0x12f/0xa40 [ 4606.960162][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4606.960162][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.960162][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.960162][ T3767] netlink_unicast+0x449/0x710 [ 4606.960162][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.960162][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.960162][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.960162][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.960162][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.960162][ T3767] [ 4606.962689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4606.962689][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4606.962689][ T3767] ipv6_find_idev+0x102/0x170 [ 4606.962689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4606.962689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.962689][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.962689][ T3767] netlink_unicast+0x449/0x710 [ 4606.962689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.962689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.962689][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.962689][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.962689][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.962689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.962689][ T3767] [ 4606.964706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4606.964706][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4606.964706][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4606.964706][ T3767] ipv6_find_idev+0x102/0x170 [ 4606.964706][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4606.964706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4606.964706][ T3767] netlink_rcv_skb+0x130/0x360 [ 4606.964706][ T3767] netlink_unicast+0x449/0x710 [ 4606.964706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4606.964706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4606.964706][ T3767] ___sys_sendmsg+0xee/0x170 [ 4606.964706][ T3767] __sys_sendmsg+0xcd/0x170 [ 4606.964706][ T3767] do_syscall_64+0xc6/0x1e0 [ 4606.964706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4606.964706][ T3767] [ 4617.215891][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4617.216444][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4617.216444][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4617.216444][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4617.216444][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4617.216444][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4617.216444][ T3767] ip6_route_add+0x1c/0x140 [ 4617.216444][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4617.216444][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.216444][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.216444][ T3767] netlink_unicast+0x449/0x710 [ 4617.216444][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.216444][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.216444][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.216444][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.216444][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.216444][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4617.216444][ T3767] [ 4617.218876][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4617.218876][ T3767] netdev_get_by_index+0x5e/0x80 [ 4617.218876][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4617.218876][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4617.218876][ T3767] ip6_route_add+0x1c/0x140 [ 4617.218876][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4617.218876][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4617.218876][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4617.218876][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.218876][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.218876][ T3767] netlink_unicast+0x449/0x710 [ 4617.218876][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.218876][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.218876][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.218876][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.218876][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.218876][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4617.218876][ T3767] [ 4617.221441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4617.221441][ T3767] netdev_get_by_index+0x5e/0x80 [ 4617.221441][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4617.221441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4617.221441][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4617.221441][ T3767] ipv6_add_addr+0x411/0x2000 [ 4617.221441][ T3767] inet6_addr_add+0x30e/0xa40 [ 4617.221441][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4617.221441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.221441][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.221441][ T3767] netlink_unicast+0x449/0x710 [ 4617.221441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.221441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.221441][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.221441][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.221441][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.221441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4617.221441][ T3767] [ 4617.224060][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4617.224060][ T3767] netdev_get_by_index+0x5e/0x80 [ 4617.224060][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4617.224060][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4617.224060][ T3767] ip6_route_add+0x1c/0x140 [ 4617.224060][ T3767] addrconf_add_mroute+0x129/0x180 [ 4617.224060][ T3767] addrconf_add_dev+0xe2/0x170 [ 4617.224060][ T3767] inet6_addr_add+0x12f/0xa40 [ 4617.224060][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4617.224060][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.224060][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.224060][ T3767] netlink_unicast+0x449/0x710 [ 4617.224060][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.224060][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.224060][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.224060][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.224060][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.224060][ T3767] [ 4617.227074][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4617.227074][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4617.227074][ T3767] ipv6_find_idev+0x102/0x170 [ 4617.227074][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4617.227074][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.227074][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.227074][ T3767] netlink_unicast+0x449/0x710 [ 4617.227074][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.227074][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.227074][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.227074][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.227074][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.227074][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4617.227074][ T3767] [ 4617.229060][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4617.229060][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4617.229060][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4617.229060][ T3767] ipv6_find_idev+0x102/0x170 [ 4617.229060][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4617.229060][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4617.229060][ T3767] netlink_rcv_skb+0x130/0x360 [ 4617.229060][ T3767] netlink_unicast+0x449/0x710 [ 4617.229060][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4617.229060][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4617.229060][ T3767] ___sys_sendmsg+0xee/0x170 [ 4617.229060][ T3767] __sys_sendmsg+0xcd/0x170 [ 4617.229060][ T3767] do_syscall_64+0xc6/0x1e0 [ 4617.229060][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4617.229060][ T3767] [ 4627.479971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4627.480447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4627.480447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4627.480447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4627.480447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4627.480447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4627.480447][ T3767] ip6_route_add+0x1c/0x140 [ 4627.480447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4627.480447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.480447][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.480447][ T3767] netlink_unicast+0x449/0x710 [ 4627.480447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.480447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.480447][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.480447][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.480447][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.480447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4627.480447][ T3767] [ 4627.482779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4627.482779][ T3767] netdev_get_by_index+0x5e/0x80 [ 4627.482779][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4627.482779][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4627.482779][ T3767] ip6_route_add+0x1c/0x140 [ 4627.482779][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4627.482779][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4627.482779][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4627.482779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.482779][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.482779][ T3767] netlink_unicast+0x449/0x710 [ 4627.482779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.482779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.482779][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.482779][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.482779][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.482779][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4627.482779][ T3767] [ 4627.485238][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4627.485238][ T3767] netdev_get_by_index+0x5e/0x80 [ 4627.485238][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4627.485238][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4627.485238][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4627.485238][ T3767] ipv6_add_addr+0x411/0x2000 [ 4627.485238][ T3767] inet6_addr_add+0x30e/0xa40 [ 4627.485238][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4627.485238][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.485238][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.485238][ T3767] netlink_unicast+0x449/0x710 [ 4627.485238][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.485238][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.485238][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.485238][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.485238][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.485238][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4627.485238][ T3767] [ 4627.487810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4627.487810][ T3767] netdev_get_by_index+0x5e/0x80 [ 4627.487810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4627.487810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4627.487810][ T3767] ip6_route_add+0x1c/0x140 [ 4627.487810][ T3767] addrconf_add_mroute+0x129/0x180 [ 4627.487810][ T3767] addrconf_add_dev+0xe2/0x170 [ 4627.487810][ T3767] inet6_addr_add+0x12f/0xa40 [ 4627.487810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4627.487810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.487810][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.487810][ T3767] netlink_unicast+0x449/0x710 [ 4627.487810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.487810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.487810][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.487810][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.487810][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.487810][ T3767] [ 4627.490212][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4627.490212][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4627.490212][ T3767] ipv6_find_idev+0x102/0x170 [ 4627.490212][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4627.490212][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.490212][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.490212][ T3767] netlink_unicast+0x449/0x710 [ 4627.490212][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.490212][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.490212][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.490212][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.490212][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.490212][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4627.490212][ T3767] [ 4627.492085][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4627.492085][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4627.492085][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4627.492085][ T3767] ipv6_find_idev+0x102/0x170 [ 4627.492085][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4627.492085][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4627.492085][ T3767] netlink_rcv_skb+0x130/0x360 [ 4627.492085][ T3767] netlink_unicast+0x449/0x710 [ 4627.492085][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4627.492085][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4627.492085][ T3767] ___sys_sendmsg+0xee/0x170 [ 4627.492085][ T3767] __sys_sendmsg+0xcd/0x170 [ 4627.492085][ T3767] do_syscall_64+0xc6/0x1e0 [ 4627.492085][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4627.492085][ T3767] [ 4637.735876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4637.736307][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4637.736307][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4637.736307][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4637.736307][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4637.736307][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4637.736307][ T3767] ip6_route_add+0x1c/0x140 [ 4637.736307][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4637.736307][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.736307][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.736307][ T3767] netlink_unicast+0x449/0x710 [ 4637.736307][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.736307][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.736307][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.736307][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.736307][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.736307][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4637.736307][ T3767] [ 4637.738401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4637.738401][ T3767] netdev_get_by_index+0x5e/0x80 [ 4637.738401][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4637.738401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4637.738401][ T3767] ip6_route_add+0x1c/0x140 [ 4637.738401][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4637.738401][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4637.738401][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4637.738401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.738401][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.738401][ T3767] netlink_unicast+0x449/0x710 [ 4637.738401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.738401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.738401][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.738401][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.738401][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.738401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4637.738401][ T3767] [ 4637.740623][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4637.740623][ T3767] netdev_get_by_index+0x5e/0x80 [ 4637.740623][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4637.740623][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4637.740623][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4637.740623][ T3767] ipv6_add_addr+0x411/0x2000 [ 4637.740623][ T3767] inet6_addr_add+0x30e/0xa40 [ 4637.740623][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4637.740623][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.740623][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.740623][ T3767] netlink_unicast+0x449/0x710 [ 4637.740623][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.740623][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.740623][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.740623][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.740623][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.740623][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4637.740623][ T3767] [ 4637.742843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4637.742843][ T3767] netdev_get_by_index+0x5e/0x80 [ 4637.742843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4637.742843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4637.742843][ T3767] ip6_route_add+0x1c/0x140 [ 4637.742843][ T3767] addrconf_add_mroute+0x129/0x180 [ 4637.742843][ T3767] addrconf_add_dev+0xe2/0x170 [ 4637.742843][ T3767] inet6_addr_add+0x12f/0xa40 [ 4637.742843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4637.742843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.742843][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.742843][ T3767] netlink_unicast+0x449/0x710 [ 4637.742843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.742843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.742843][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.742843][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.742843][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.742843][ T3767] [ 4637.745015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4637.745015][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4637.745015][ T3767] ipv6_find_idev+0x102/0x170 [ 4637.745015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4637.745015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.745015][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.745015][ T3767] netlink_unicast+0x449/0x710 [ 4637.745015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.745015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.745015][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.745015][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.745015][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.745015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4637.745015][ T3767] [ 4637.746696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4637.746696][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4637.746696][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4637.746696][ T3767] ipv6_find_idev+0x102/0x170 [ 4637.746696][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4637.746696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4637.746696][ T3767] netlink_rcv_skb+0x130/0x360 [ 4637.746696][ T3767] netlink_unicast+0x449/0x710 [ 4637.746696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4637.746696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4637.746696][ T3767] ___sys_sendmsg+0xee/0x170 [ 4637.746696][ T3767] __sys_sendmsg+0xcd/0x170 [ 4637.746696][ T3767] do_syscall_64+0xc6/0x1e0 [ 4637.746696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4637.746696][ T3767] [ 4647.783960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4647.784388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4647.784388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4647.784388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4647.784388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4647.784388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4647.784388][ T3767] ip6_route_add+0x1c/0x140 [ 4647.784388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4647.784388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.784388][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.784388][ T3767] netlink_unicast+0x449/0x710 [ 4647.784388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.784388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.784388][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.784388][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.784388][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.784388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.784388][ T3767] [ 4647.786476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4647.786476][ T3767] netdev_get_by_index+0x5e/0x80 [ 4647.786476][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4647.786476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4647.786476][ T3767] ip6_route_add+0x1c/0x140 [ 4647.786476][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4647.786476][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4647.786476][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.786476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.786476][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.786476][ T3767] netlink_unicast+0x449/0x710 [ 4647.786476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.786476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.786476][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.786476][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.786476][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.786476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.786476][ T3767] [ 4647.788668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4647.788668][ T3767] netdev_get_by_index+0x5e/0x80 [ 4647.788668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4647.788668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4647.788668][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4647.788668][ T3767] ipv6_add_addr+0x411/0x2000 [ 4647.788668][ T3767] inet6_addr_add+0x30e/0xa40 [ 4647.788668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.788668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.788668][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.788668][ T3767] netlink_unicast+0x449/0x710 [ 4647.788668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.788668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.788668][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.788668][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.788668][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.788668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.788668][ T3767] [ 4647.790853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4647.790853][ T3767] netdev_get_by_index+0x5e/0x80 [ 4647.790853][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4647.790853][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4647.790853][ T3767] ip6_route_add+0x1c/0x140 [ 4647.790853][ T3767] addrconf_add_mroute+0x129/0x180 [ 4647.790853][ T3767] addrconf_add_dev+0xe2/0x170 [ 4647.790853][ T3767] inet6_addr_add+0x12f/0xa40 [ 4647.790853][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4647.790853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.790853][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.790853][ T3767] netlink_unicast+0x449/0x710 [ 4647.790853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.790853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.790853][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.790853][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.790853][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.790853][ T3767] [ 4647.792994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4647.792994][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4647.792994][ T3767] ipv6_find_idev+0x102/0x170 [ 4647.792994][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4647.792994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.792994][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.792994][ T3767] netlink_unicast+0x449/0x710 [ 4647.792994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.792994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.792994][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.792994][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.792994][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.792994][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.792994][ T3767] [ 4647.794680][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4647.794680][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4647.794680][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4647.794680][ T3767] ipv6_find_idev+0x102/0x170 [ 4647.794680][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4647.794680][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4647.794680][ T3767] netlink_rcv_skb+0x130/0x360 [ 4647.794680][ T3767] netlink_unicast+0x449/0x710 [ 4647.794680][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4647.794680][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4647.794680][ T3767] ___sys_sendmsg+0xee/0x170 [ 4647.794680][ T3767] __sys_sendmsg+0xcd/0x170 [ 4647.794680][ T3767] do_syscall_64+0xc6/0x1e0 [ 4647.794680][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4647.794680][ T3767] [ 4658.031940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4658.032372][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4658.032372][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4658.032372][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4658.032372][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4658.032372][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4658.032372][ T3767] ip6_route_add+0x1c/0x140 [ 4658.032372][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4658.032372][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.032372][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.032372][ T3767] netlink_unicast+0x449/0x710 [ 4658.032372][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.032372][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.032372][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.032372][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.032372][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.032372][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4658.032372][ T3767] [ 4658.034469][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4658.034469][ T3767] netdev_get_by_index+0x5e/0x80 [ 4658.034469][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4658.034469][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4658.034469][ T3767] ip6_route_add+0x1c/0x140 [ 4658.034469][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4658.034469][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4658.034469][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4658.034469][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.034469][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.034469][ T3767] netlink_unicast+0x449/0x710 [ 4658.034469][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.034469][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.034469][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.034469][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.034469][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.034469][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4658.034469][ T3767] [ 4658.036716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4658.036716][ T3767] netdev_get_by_index+0x5e/0x80 [ 4658.036716][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4658.036716][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4658.036716][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4658.036716][ T3767] ipv6_add_addr+0x411/0x2000 [ 4658.036716][ T3767] inet6_addr_add+0x30e/0xa40 [ 4658.036716][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4658.036716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.036716][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.036716][ T3767] netlink_unicast+0x449/0x710 [ 4658.036716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.036716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.036716][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.036716][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.036716][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.036716][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4658.036716][ T3767] [ 4658.038946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4658.038946][ T3767] netdev_get_by_index+0x5e/0x80 [ 4658.038946][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4658.038946][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4658.038946][ T3767] ip6_route_add+0x1c/0x140 [ 4658.038946][ T3767] addrconf_add_mroute+0x129/0x180 [ 4658.038946][ T3767] addrconf_add_dev+0xe2/0x170 [ 4658.038946][ T3767] inet6_addr_add+0x12f/0xa40 [ 4658.038946][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4658.038946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.038946][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.038946][ T3767] netlink_unicast+0x449/0x710 [ 4658.038946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.038946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.038946][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.038946][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.038946][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.038946][ T3767] [ 4658.041115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4658.041115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4658.041115][ T3767] ipv6_find_idev+0x102/0x170 [ 4658.041115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4658.041115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.041115][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.041115][ T3767] netlink_unicast+0x449/0x710 [ 4658.041115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.041115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.041115][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.041115][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.041115][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.041115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4658.041115][ T3767] [ 4658.042818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4658.042818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4658.042818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4658.042818][ T3767] ipv6_find_idev+0x102/0x170 [ 4658.042818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4658.042818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4658.042818][ T3767] netlink_rcv_skb+0x130/0x360 [ 4658.042818][ T3767] netlink_unicast+0x449/0x710 [ 4658.042818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4658.042818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4658.042818][ T3767] ___sys_sendmsg+0xee/0x170 [ 4658.042818][ T3767] __sys_sendmsg+0xcd/0x170 [ 4658.042818][ T3767] do_syscall_64+0xc6/0x1e0 [ 4658.042818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4658.042818][ T3767] [ 4668.279941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4668.280418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4668.280418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4668.280418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4668.280418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4668.280418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4668.280418][ T3767] ip6_route_add+0x1c/0x140 [ 4668.280418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4668.280418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.280418][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.280418][ T3767] netlink_unicast+0x449/0x710 [ 4668.280418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.280418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.280418][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.280418][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.280418][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.280418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4668.280418][ T3767] [ 4668.282521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4668.282521][ T3767] netdev_get_by_index+0x5e/0x80 [ 4668.282521][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4668.282521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4668.282521][ T3767] ip6_route_add+0x1c/0x140 [ 4668.282521][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4668.282521][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4668.282521][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4668.282521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.282521][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.282521][ T3767] netlink_unicast+0x449/0x710 [ 4668.282521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.282521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.282521][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.282521][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.282521][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.282521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4668.282521][ T3767] [ 4668.284902][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4668.284902][ T3767] netdev_get_by_index+0x5e/0x80 [ 4668.284902][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4668.284902][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4668.284902][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4668.284902][ T3767] ipv6_add_addr+0x411/0x2000 [ 4668.284902][ T3767] inet6_addr_add+0x30e/0xa40 [ 4668.284902][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4668.284902][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.284902][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.284902][ T3767] netlink_unicast+0x449/0x710 [ 4668.284902][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.284902][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.284902][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.284902][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.284902][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.284902][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4668.284902][ T3767] [ 4668.287113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4668.287113][ T3767] netdev_get_by_index+0x5e/0x80 [ 4668.287113][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4668.287113][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4668.287113][ T3767] ip6_route_add+0x1c/0x140 [ 4668.287113][ T3767] addrconf_add_mroute+0x129/0x180 [ 4668.287113][ T3767] addrconf_add_dev+0xe2/0x170 [ 4668.287113][ T3767] inet6_addr_add+0x12f/0xa40 [ 4668.287113][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4668.287113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.287113][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.287113][ T3767] netlink_unicast+0x449/0x710 [ 4668.287113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.287113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.287113][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.287113][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.287113][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.287113][ T3767] [ 4668.289320][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4668.289320][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4668.289320][ T3767] ipv6_find_idev+0x102/0x170 [ 4668.289320][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4668.289320][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.289320][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.289320][ T3767] netlink_unicast+0x449/0x710 [ 4668.289320][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.289320][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.289320][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.289320][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.289320][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.289320][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4668.289320][ T3767] [ 4668.291013][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4668.291013][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4668.291013][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4668.291013][ T3767] ipv6_find_idev+0x102/0x170 [ 4668.291013][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4668.291013][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4668.291013][ T3767] netlink_rcv_skb+0x130/0x360 [ 4668.291013][ T3767] netlink_unicast+0x449/0x710 [ 4668.291013][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4668.291013][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4668.291013][ T3767] ___sys_sendmsg+0xee/0x170 [ 4668.291013][ T3767] __sys_sendmsg+0xcd/0x170 [ 4668.291013][ T3767] do_syscall_64+0xc6/0x1e0 [ 4668.291013][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4668.291013][ T3767] [ 4678.535884][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4678.536388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4678.536388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4678.536388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4678.536388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4678.536388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4678.536388][ T3767] ip6_route_add+0x1c/0x140 [ 4678.536388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4678.536388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.536388][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.536388][ T3767] netlink_unicast+0x449/0x710 [ 4678.536388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.536388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.536388][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.536388][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.536388][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.536388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4678.536388][ T3767] [ 4678.538590][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4678.538590][ T3767] netdev_get_by_index+0x5e/0x80 [ 4678.538590][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4678.538590][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4678.538590][ T3767] ip6_route_add+0x1c/0x140 [ 4678.538590][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4678.538590][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4678.538590][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4678.538590][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.538590][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.538590][ T3767] netlink_unicast+0x449/0x710 [ 4678.538590][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.538590][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.538590][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.538590][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.538590][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.538590][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4678.538590][ T3767] [ 4678.541014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4678.541014][ T3767] netdev_get_by_index+0x5e/0x80 [ 4678.541014][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4678.541014][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4678.541014][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4678.541014][ T3767] ipv6_add_addr+0x411/0x2000 [ 4678.541014][ T3767] inet6_addr_add+0x30e/0xa40 [ 4678.541014][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4678.541014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.541014][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.541014][ T3767] netlink_unicast+0x449/0x710 [ 4678.541014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.541014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.541014][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.541014][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.541014][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.541014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4678.541014][ T3767] [ 4678.543205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4678.543205][ T3767] netdev_get_by_index+0x5e/0x80 [ 4678.543205][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4678.543205][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4678.543205][ T3767] ip6_route_add+0x1c/0x140 [ 4678.543205][ T3767] addrconf_add_mroute+0x129/0x180 [ 4678.543205][ T3767] addrconf_add_dev+0xe2/0x170 [ 4678.543205][ T3767] inet6_addr_add+0x12f/0xa40 [ 4678.543205][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4678.543205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.543205][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.543205][ T3767] netlink_unicast+0x449/0x710 [ 4678.543205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.543205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.543205][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.543205][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.543205][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.543205][ T3767] [ 4678.545372][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4678.545372][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4678.545372][ T3767] ipv6_find_idev+0x102/0x170 [ 4678.545372][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4678.545372][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.545372][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.545372][ T3767] netlink_unicast+0x449/0x710 [ 4678.545372][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.545372][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.545372][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.545372][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.545372][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.545372][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4678.545372][ T3767] [ 4678.547054][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4678.547054][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4678.547054][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4678.547054][ T3767] ipv6_find_idev+0x102/0x170 [ 4678.547054][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4678.547054][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4678.547054][ T3767] netlink_rcv_skb+0x130/0x360 [ 4678.547054][ T3767] netlink_unicast+0x449/0x710 [ 4678.547054][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4678.547054][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4678.547054][ T3767] ___sys_sendmsg+0xee/0x170 [ 4678.547054][ T3767] __sys_sendmsg+0xcd/0x170 [ 4678.547054][ T3767] do_syscall_64+0xc6/0x1e0 [ 4678.547054][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4678.547054][ T3767] [ 4688.791939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4688.792403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4688.792403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4688.792403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4688.792403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4688.792403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4688.792403][ T3767] ip6_route_add+0x1c/0x140 [ 4688.792403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4688.792403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.792403][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.792403][ T3767] netlink_unicast+0x449/0x710 [ 4688.792403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.792403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.792403][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.792403][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.792403][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.792403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4688.792403][ T3767] [ 4688.794486][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4688.794486][ T3767] netdev_get_by_index+0x5e/0x80 [ 4688.794486][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4688.794486][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4688.794486][ T3767] ip6_route_add+0x1c/0x140 [ 4688.794486][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4688.794486][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4688.794486][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4688.794486][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.794486][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.794486][ T3767] netlink_unicast+0x449/0x710 [ 4688.794486][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.794486][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.794486][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.794486][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.794486][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.794486][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4688.794486][ T3767] [ 4688.796678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4688.796678][ T3767] netdev_get_by_index+0x5e/0x80 [ 4688.796678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4688.796678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4688.796678][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4688.796678][ T3767] ipv6_add_addr+0x411/0x2000 [ 4688.796678][ T3767] inet6_addr_add+0x30e/0xa40 [ 4688.796678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4688.796678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.796678][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.796678][ T3767] netlink_unicast+0x449/0x710 [ 4688.796678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.796678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.796678][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.796678][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.796678][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.796678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4688.796678][ T3767] [ 4688.798863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4688.798863][ T3767] netdev_get_by_index+0x5e/0x80 [ 4688.798863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4688.798863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4688.798863][ T3767] ip6_route_add+0x1c/0x140 [ 4688.798863][ T3767] addrconf_add_mroute+0x129/0x180 [ 4688.798863][ T3767] addrconf_add_dev+0xe2/0x170 [ 4688.798863][ T3767] inet6_addr_add+0x12f/0xa40 [ 4688.798863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4688.798863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.798863][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.798863][ T3767] netlink_unicast+0x449/0x710 [ 4688.798863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.798863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.798863][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.798863][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.798863][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.798863][ T3767] [ 4688.801010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4688.801010][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4688.801010][ T3767] ipv6_find_idev+0x102/0x170 [ 4688.801010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4688.801010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.801010][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.801010][ T3767] netlink_unicast+0x449/0x710 [ 4688.801010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.801010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.801010][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.801010][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.801010][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.801010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4688.801010][ T3767] [ 4688.802687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4688.802687][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4688.802687][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4688.802687][ T3767] ipv6_find_idev+0x102/0x170 [ 4688.802687][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4688.802687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4688.802687][ T3767] netlink_rcv_skb+0x130/0x360 [ 4688.802687][ T3767] netlink_unicast+0x449/0x710 [ 4688.802687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4688.802687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4688.802687][ T3767] ___sys_sendmsg+0xee/0x170 [ 4688.802687][ T3767] __sys_sendmsg+0xcd/0x170 [ 4688.802687][ T3767] do_syscall_64+0xc6/0x1e0 [ 4688.802687][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4688.802687][ T3767] [ 4698.807939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4698.808410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4698.808410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4698.808410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4698.808410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4698.808410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4698.808410][ T3767] ip6_route_add+0x1c/0x140 [ 4698.808410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4698.808410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.808410][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.808410][ T3767] netlink_unicast+0x449/0x710 [ 4698.808410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.808410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.808410][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.808410][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.808410][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.808410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.808410][ T3767] [ 4698.810504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4698.810504][ T3767] netdev_get_by_index+0x5e/0x80 [ 4698.810504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4698.810504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4698.810504][ T3767] ip6_route_add+0x1c/0x140 [ 4698.810504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4698.810504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4698.810504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.810504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.810504][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.810504][ T3767] netlink_unicast+0x449/0x710 [ 4698.810504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.810504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.810504][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.810504][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.810504][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.810504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.810504][ T3767] [ 4698.812826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4698.812826][ T3767] netdev_get_by_index+0x5e/0x80 [ 4698.812826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4698.812826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4698.812826][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4698.812826][ T3767] ipv6_add_addr+0x411/0x2000 [ 4698.812826][ T3767] inet6_addr_add+0x30e/0xa40 [ 4698.812826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.812826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.812826][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.812826][ T3767] netlink_unicast+0x449/0x710 [ 4698.812826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.812826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.812826][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.812826][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.812826][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.812826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.812826][ T3767] [ 4698.815349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4698.815349][ T3767] netdev_get_by_index+0x5e/0x80 [ 4698.815349][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4698.815349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4698.815349][ T3767] ip6_route_add+0x1c/0x140 [ 4698.815349][ T3767] addrconf_add_mroute+0x129/0x180 [ 4698.815349][ T3767] addrconf_add_dev+0xe2/0x170 [ 4698.815349][ T3767] inet6_addr_add+0x12f/0xa40 [ 4698.815349][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4698.815349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.815349][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.815349][ T3767] netlink_unicast+0x449/0x710 [ 4698.815349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.815349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.815349][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.815349][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.815349][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.815349][ T3767] [ 4698.817496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4698.817496][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4698.817496][ T3767] ipv6_find_idev+0x102/0x170 [ 4698.817496][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4698.817496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.817496][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.817496][ T3767] netlink_unicast+0x449/0x710 [ 4698.817496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.817496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.817496][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.817496][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.817496][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.817496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.817496][ T3767] [ 4698.819182][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4698.819182][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4698.819182][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4698.819182][ T3767] ipv6_find_idev+0x102/0x170 [ 4698.819182][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4698.819182][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4698.819182][ T3767] netlink_rcv_skb+0x130/0x360 [ 4698.819182][ T3767] netlink_unicast+0x449/0x710 [ 4698.819182][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4698.819182][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4698.819182][ T3767] ___sys_sendmsg+0xee/0x170 [ 4698.819182][ T3767] __sys_sendmsg+0xcd/0x170 [ 4698.819182][ T3767] do_syscall_64+0xc6/0x1e0 [ 4698.819182][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4698.819182][ T3767] [ 4709.063893][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4709.064373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4709.064373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4709.064373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4709.064373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4709.064373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4709.064373][ T3767] ip6_route_add+0x1c/0x140 [ 4709.064373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4709.064373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.064373][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.064373][ T3767] netlink_unicast+0x449/0x710 [ 4709.064373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.064373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.064373][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.064373][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.064373][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.064373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4709.064373][ T3767] [ 4709.066722][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4709.066722][ T3767] netdev_get_by_index+0x5e/0x80 [ 4709.066722][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4709.066722][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4709.066722][ T3767] ip6_route_add+0x1c/0x140 [ 4709.066722][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4709.066722][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4709.066722][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4709.066722][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.066722][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.066722][ T3767] netlink_unicast+0x449/0x710 [ 4709.066722][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.066722][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.066722][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.066722][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.066722][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.066722][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4709.066722][ T3767] [ 4709.069199][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4709.069199][ T3767] netdev_get_by_index+0x5e/0x80 [ 4709.069199][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4709.069199][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4709.069199][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4709.069199][ T3767] ipv6_add_addr+0x411/0x2000 [ 4709.069199][ T3767] inet6_addr_add+0x30e/0xa40 [ 4709.069199][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4709.069199][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.069199][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.069199][ T3767] netlink_unicast+0x449/0x710 [ 4709.069199][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.069199][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.069199][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.069199][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.069199][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.069199][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4709.069199][ T3767] [ 4709.071739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4709.071739][ T3767] netdev_get_by_index+0x5e/0x80 [ 4709.071739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4709.071739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4709.071739][ T3767] ip6_route_add+0x1c/0x140 [ 4709.071739][ T3767] addrconf_add_mroute+0x129/0x180 [ 4709.071739][ T3767] addrconf_add_dev+0xe2/0x170 [ 4709.071739][ T3767] inet6_addr_add+0x12f/0xa40 [ 4709.071739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4709.071739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.071739][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.071739][ T3767] netlink_unicast+0x449/0x710 [ 4709.071739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.071739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.071739][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.071739][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.071739][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.071739][ T3767] [ 4709.074335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4709.074335][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4709.074335][ T3767] ipv6_find_idev+0x102/0x170 [ 4709.074335][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4709.074335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.074335][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.074335][ T3767] netlink_unicast+0x449/0x710 [ 4709.074335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.074335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.074335][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.074335][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.074335][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.074335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4709.074335][ T3767] [ 4709.076245][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4709.076245][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4709.076245][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4709.076245][ T3767] ipv6_find_idev+0x102/0x170 [ 4709.076245][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4709.076245][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4709.076245][ T3767] netlink_rcv_skb+0x130/0x360 [ 4709.076245][ T3767] netlink_unicast+0x449/0x710 [ 4709.076245][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4709.076245][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4709.076245][ T3767] ___sys_sendmsg+0xee/0x170 [ 4709.076245][ T3767] __sys_sendmsg+0xcd/0x170 [ 4709.076245][ T3767] do_syscall_64+0xc6/0x1e0 [ 4709.076245][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4709.076245][ T3767] [ 4719.095861][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4719.096383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4719.096383][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4719.096383][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4719.096383][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4719.096383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4719.096383][ T3767] ip6_route_add+0x1c/0x140 [ 4719.096383][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4719.096383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.096383][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.096383][ T3767] netlink_unicast+0x449/0x710 [ 4719.096383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.096383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.096383][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.096383][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.096383][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.096383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4719.096383][ T3767] [ 4719.098721][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4719.098721][ T3767] netdev_get_by_index+0x5e/0x80 [ 4719.098721][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4719.098721][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4719.098721][ T3767] ip6_route_add+0x1c/0x140 [ 4719.098721][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4719.098721][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4719.098721][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4719.098721][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.098721][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.098721][ T3767] netlink_unicast+0x449/0x710 [ 4719.098721][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.098721][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.098721][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.098721][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.098721][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.098721][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4719.098721][ T3767] [ 4719.101196][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4719.101196][ T3767] netdev_get_by_index+0x5e/0x80 [ 4719.101196][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4719.101196][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4719.101196][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4719.101196][ T3767] ipv6_add_addr+0x411/0x2000 [ 4719.101196][ T3767] inet6_addr_add+0x30e/0xa40 [ 4719.101196][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4719.101196][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.101196][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.101196][ T3767] netlink_unicast+0x449/0x710 [ 4719.101196][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.101196][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.101196][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.101196][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.101196][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.101196][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4719.101196][ T3767] [ 4719.103665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4719.103665][ T3767] netdev_get_by_index+0x5e/0x80 [ 4719.103665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4719.103665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4719.103665][ T3767] ip6_route_add+0x1c/0x140 [ 4719.103665][ T3767] addrconf_add_mroute+0x129/0x180 [ 4719.103665][ T3767] addrconf_add_dev+0xe2/0x170 [ 4719.103665][ T3767] inet6_addr_add+0x12f/0xa40 [ 4719.103665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4719.103665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.103665][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.103665][ T3767] netlink_unicast+0x449/0x710 [ 4719.103665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.103665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.103665][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.103665][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.103665][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.103665][ T3767] [ 4719.106089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4719.106089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4719.106089][ T3767] ipv6_find_idev+0x102/0x170 [ 4719.106089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4719.106089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.106089][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.106089][ T3767] netlink_unicast+0x449/0x710 [ 4719.106089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.106089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.106089][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.106089][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.106089][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.106089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4719.106089][ T3767] [ 4719.107980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4719.107980][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4719.107980][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4719.107980][ T3767] ipv6_find_idev+0x102/0x170 [ 4719.107980][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4719.107980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4719.107980][ T3767] netlink_rcv_skb+0x130/0x360 [ 4719.107980][ T3767] netlink_unicast+0x449/0x710 [ 4719.107980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4719.107980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4719.107980][ T3767] ___sys_sendmsg+0xee/0x170 [ 4719.107980][ T3767] __sys_sendmsg+0xcd/0x170 [ 4719.107980][ T3767] do_syscall_64+0xc6/0x1e0 [ 4719.107980][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4719.107980][ T3767] [ 4729.351860][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4729.352388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4729.352388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4729.352388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4729.352388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4729.352388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4729.352388][ T3767] ip6_route_add+0x1c/0x140 [ 4729.352388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4729.352388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.352388][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.352388][ T3767] netlink_unicast+0x449/0x710 [ 4729.352388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.352388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.352388][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.352388][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.352388][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.352388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4729.352388][ T3767] [ 4729.354742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4729.354742][ T3767] netdev_get_by_index+0x5e/0x80 [ 4729.354742][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4729.354742][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4729.354742][ T3767] ip6_route_add+0x1c/0x140 [ 4729.354742][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4729.354742][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4729.354742][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4729.354742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.354742][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.354742][ T3767] netlink_unicast+0x449/0x710 [ 4729.354742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.354742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.354742][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.354742][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.354742][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.354742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4729.354742][ T3767] [ 4729.357210][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4729.357210][ T3767] netdev_get_by_index+0x5e/0x80 [ 4729.357210][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4729.357210][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4729.357210][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4729.357210][ T3767] ipv6_add_addr+0x411/0x2000 [ 4729.357210][ T3767] inet6_addr_add+0x30e/0xa40 [ 4729.357210][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4729.357210][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.357210][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.357210][ T3767] netlink_unicast+0x449/0x710 [ 4729.357210][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.357210][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.357210][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.357210][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.357210][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.357210][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4729.357210][ T3767] [ 4729.359670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4729.359670][ T3767] netdev_get_by_index+0x5e/0x80 [ 4729.359670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4729.359670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4729.359670][ T3767] ip6_route_add+0x1c/0x140 [ 4729.359670][ T3767] addrconf_add_mroute+0x129/0x180 [ 4729.359670][ T3767] addrconf_add_dev+0xe2/0x170 [ 4729.359670][ T3767] inet6_addr_add+0x12f/0xa40 [ 4729.359670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4729.359670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.359670][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.359670][ T3767] netlink_unicast+0x449/0x710 [ 4729.359670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.359670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.359670][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.359670][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.359670][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.359670][ T3767] [ 4729.362088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4729.362088][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4729.362088][ T3767] ipv6_find_idev+0x102/0x170 [ 4729.362088][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4729.362088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.362088][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.362088][ T3767] netlink_unicast+0x449/0x710 [ 4729.362088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.362088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.362088][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.362088][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.362088][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.362088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4729.362088][ T3767] [ 4729.363982][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4729.363982][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4729.363982][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4729.363982][ T3767] ipv6_find_idev+0x102/0x170 [ 4729.363982][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4729.363982][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4729.363982][ T3767] netlink_rcv_skb+0x130/0x360 [ 4729.363982][ T3767] netlink_unicast+0x449/0x710 [ 4729.363982][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4729.363982][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4729.363982][ T3767] ___sys_sendmsg+0xee/0x170 [ 4729.363982][ T3767] __sys_sendmsg+0xcd/0x170 [ 4729.363982][ T3767] do_syscall_64+0xc6/0x1e0 [ 4729.363982][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4729.363982][ T3767] [ 4739.607874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4739.608338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4739.608338][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4739.608338][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4739.608338][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4739.608338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4739.608338][ T3767] ip6_route_add+0x1c/0x140 [ 4739.608338][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4739.608338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.608338][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.608338][ T3767] netlink_unicast+0x449/0x710 [ 4739.608338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.608338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.608338][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.608338][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.608338][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.608338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.608338][ T3767] [ 4739.610707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4739.610707][ T3767] netdev_get_by_index+0x5e/0x80 [ 4739.610707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4739.610707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4739.610707][ T3767] ip6_route_add+0x1c/0x140 [ 4739.610707][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4739.610707][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4739.610707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.610707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.610707][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.610707][ T3767] netlink_unicast+0x449/0x710 [ 4739.610707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.610707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.610707][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.610707][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.610707][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.610707][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.610707][ T3767] [ 4739.613183][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4739.613183][ T3767] netdev_get_by_index+0x5e/0x80 [ 4739.613183][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4739.613183][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4739.613183][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4739.613183][ T3767] ipv6_add_addr+0x411/0x2000 [ 4739.613183][ T3767] inet6_addr_add+0x30e/0xa40 [ 4739.613183][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.613183][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.613183][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.613183][ T3767] netlink_unicast+0x449/0x710 [ 4739.613183][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.613183][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.613183][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.613183][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.613183][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.613183][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.613183][ T3767] [ 4739.615698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4739.615698][ T3767] netdev_get_by_index+0x5e/0x80 [ 4739.615698][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4739.615698][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4739.615698][ T3767] ip6_route_add+0x1c/0x140 [ 4739.615698][ T3767] addrconf_add_mroute+0x129/0x180 [ 4739.615698][ T3767] addrconf_add_dev+0xe2/0x170 [ 4739.615698][ T3767] inet6_addr_add+0x12f/0xa40 [ 4739.615698][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4739.615698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.615698][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.615698][ T3767] netlink_unicast+0x449/0x710 [ 4739.615698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.615698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.615698][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.615698][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.615698][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.615698][ T3767] [ 4739.618240][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4739.618240][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4739.618240][ T3767] ipv6_find_idev+0x102/0x170 [ 4739.618240][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4739.618240][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.618240][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.618240][ T3767] netlink_unicast+0x449/0x710 [ 4739.618240][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.618240][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.618240][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.618240][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.618240][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.618240][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.618240][ T3767] [ 4739.620152][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4739.620152][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4739.620152][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4739.620152][ T3767] ipv6_find_idev+0x102/0x170 [ 4739.620152][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4739.620152][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4739.620152][ T3767] netlink_rcv_skb+0x130/0x360 [ 4739.620152][ T3767] netlink_unicast+0x449/0x710 [ 4739.620152][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4739.620152][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4739.620152][ T3767] ___sys_sendmsg+0xee/0x170 [ 4739.620152][ T3767] __sys_sendmsg+0xcd/0x170 [ 4739.620152][ T3767] do_syscall_64+0xc6/0x1e0 [ 4739.620152][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4739.620152][ T3767] [ 4749.639881][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4749.640409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4749.640409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4749.640409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4749.640409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4749.640409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4749.640409][ T3767] ip6_route_add+0x1c/0x140 [ 4749.640409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4749.640409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.640409][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.640409][ T3767] netlink_unicast+0x449/0x710 [ 4749.640409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.640409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.640409][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.640409][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.640409][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.640409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.640409][ T3767] [ 4749.642742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4749.642742][ T3767] netdev_get_by_index+0x5e/0x80 [ 4749.642742][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4749.642742][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4749.642742][ T3767] ip6_route_add+0x1c/0x140 [ 4749.642742][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4749.642742][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4749.642742][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.642742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.642742][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.642742][ T3767] netlink_unicast+0x449/0x710 [ 4749.642742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.642742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.642742][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.642742][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.642742][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.642742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.642742][ T3767] [ 4749.645214][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4749.645214][ T3767] netdev_get_by_index+0x5e/0x80 [ 4749.645214][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4749.645214][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4749.645214][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4749.645214][ T3767] ipv6_add_addr+0x411/0x2000 [ 4749.645214][ T3767] inet6_addr_add+0x30e/0xa40 [ 4749.645214][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.645214][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.645214][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.645214][ T3767] netlink_unicast+0x449/0x710 [ 4749.645214][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.645214][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.645214][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.645214][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.645214][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.645214][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.645214][ T3767] [ 4749.647687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4749.647687][ T3767] netdev_get_by_index+0x5e/0x80 [ 4749.647687][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4749.647687][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4749.647687][ T3767] ip6_route_add+0x1c/0x140 [ 4749.647687][ T3767] addrconf_add_mroute+0x129/0x180 [ 4749.647687][ T3767] addrconf_add_dev+0xe2/0x170 [ 4749.647687][ T3767] inet6_addr_add+0x12f/0xa40 [ 4749.647687][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4749.647687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.647687][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.647687][ T3767] netlink_unicast+0x449/0x710 [ 4749.647687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.647687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.647687][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.647687][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.647687][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.647687][ T3767] [ 4749.650116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4749.650116][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4749.650116][ T3767] ipv6_find_idev+0x102/0x170 [ 4749.650116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4749.650116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.650116][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.650116][ T3767] netlink_unicast+0x449/0x710 [ 4749.650116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.650116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.650116][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.650116][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.650116][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.650116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.650116][ T3767] [ 4749.652015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4749.652015][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4749.652015][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4749.652015][ T3767] ipv6_find_idev+0x102/0x170 [ 4749.652015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4749.652015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4749.652015][ T3767] netlink_rcv_skb+0x130/0x360 [ 4749.652015][ T3767] netlink_unicast+0x449/0x710 [ 4749.652015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4749.652015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4749.652015][ T3767] ___sys_sendmsg+0xee/0x170 [ 4749.652015][ T3767] __sys_sendmsg+0xcd/0x170 [ 4749.652015][ T3767] do_syscall_64+0xc6/0x1e0 [ 4749.652015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4749.652015][ T3767] [ 4759.903953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4759.904502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4759.904502][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4759.904502][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4759.904502][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4759.904502][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4759.904502][ T3767] ip6_route_add+0x1c/0x140 [ 4759.904502][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4759.904502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.904502][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.904502][ T3767] netlink_unicast+0x449/0x710 [ 4759.904502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.904502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.904502][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.904502][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.904502][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.904502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.904502][ T3767] [ 4759.906835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4759.906835][ T3767] netdev_get_by_index+0x5e/0x80 [ 4759.906835][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4759.906835][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4759.906835][ T3767] ip6_route_add+0x1c/0x140 [ 4759.906835][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4759.906835][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4759.906835][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.906835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.906835][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.906835][ T3767] netlink_unicast+0x449/0x710 [ 4759.906835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.906835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.906835][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.906835][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.906835][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.906835][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.906835][ T3767] [ 4759.909281][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4759.909281][ T3767] netdev_get_by_index+0x5e/0x80 [ 4759.909281][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4759.909281][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4759.909281][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4759.909281][ T3767] ipv6_add_addr+0x411/0x2000 [ 4759.909281][ T3767] inet6_addr_add+0x30e/0xa40 [ 4759.909281][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.909281][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.909281][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.909281][ T3767] netlink_unicast+0x449/0x710 [ 4759.909281][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.909281][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.909281][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.909281][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.909281][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.909281][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.909281][ T3767] [ 4759.911814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4759.911814][ T3767] netdev_get_by_index+0x5e/0x80 [ 4759.911814][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4759.911814][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4759.911814][ T3767] ip6_route_add+0x1c/0x140 [ 4759.911814][ T3767] addrconf_add_mroute+0x129/0x180 [ 4759.911814][ T3767] addrconf_add_dev+0xe2/0x170 [ 4759.911814][ T3767] inet6_addr_add+0x12f/0xa40 [ 4759.911814][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4759.911814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.911814][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.911814][ T3767] netlink_unicast+0x449/0x710 [ 4759.911814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.911814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.911814][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.911814][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.911814][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.911814][ T3767] [ 4759.914746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4759.914746][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4759.914746][ T3767] ipv6_find_idev+0x102/0x170 [ 4759.914746][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4759.914746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.914746][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.914746][ T3767] netlink_unicast+0x449/0x710 [ 4759.914746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.914746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.914746][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.914746][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.914746][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.914746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.914746][ T3767] [ 4759.916648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4759.916648][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4759.916648][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4759.916648][ T3767] ipv6_find_idev+0x102/0x170 [ 4759.916648][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4759.916648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4759.916648][ T3767] netlink_rcv_skb+0x130/0x360 [ 4759.916648][ T3767] netlink_unicast+0x449/0x710 [ 4759.916648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4759.916648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4759.916648][ T3767] ___sys_sendmsg+0xee/0x170 [ 4759.916648][ T3767] __sys_sendmsg+0xcd/0x170 [ 4759.916648][ T3767] do_syscall_64+0xc6/0x1e0 [ 4759.916648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4759.916648][ T3767] [ 4770.159953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4770.160455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4770.160455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4770.160455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4770.160455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4770.160455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4770.160455][ T3767] ip6_route_add+0x1c/0x140 [ 4770.160455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4770.160455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.160455][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.160455][ T3767] netlink_unicast+0x449/0x710 [ 4770.160455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.160455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.160455][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.160455][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.160455][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.160455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4770.160455][ T3767] [ 4770.162537][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4770.162537][ T3767] netdev_get_by_index+0x5e/0x80 [ 4770.162537][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4770.162537][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4770.162537][ T3767] ip6_route_add+0x1c/0x140 [ 4770.162537][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4770.162537][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4770.162537][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4770.162537][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.162537][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.162537][ T3767] netlink_unicast+0x449/0x710 [ 4770.162537][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.162537][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.162537][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.162537][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.162537][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.162537][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4770.162537][ T3767] [ 4770.164731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4770.164731][ T3767] netdev_get_by_index+0x5e/0x80 [ 4770.164731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4770.164731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4770.164731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4770.164731][ T3767] ipv6_add_addr+0x411/0x2000 [ 4770.164731][ T3767] inet6_addr_add+0x30e/0xa40 [ 4770.164731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4770.164731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.164731][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.164731][ T3767] netlink_unicast+0x449/0x710 [ 4770.164731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.164731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.164731][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.164731][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.164731][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.164731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4770.164731][ T3767] [ 4770.166908][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4770.166908][ T3767] netdev_get_by_index+0x5e/0x80 [ 4770.166908][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4770.166908][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4770.166908][ T3767] ip6_route_add+0x1c/0x140 [ 4770.166908][ T3767] addrconf_add_mroute+0x129/0x180 [ 4770.166908][ T3767] addrconf_add_dev+0xe2/0x170 [ 4770.166908][ T3767] inet6_addr_add+0x12f/0xa40 [ 4770.166908][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4770.166908][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.166908][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.166908][ T3767] netlink_unicast+0x449/0x710 [ 4770.166908][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.166908][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.166908][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.166908][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.166908][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.166908][ T3767] [ 4770.169069][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4770.169069][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4770.169069][ T3767] ipv6_find_idev+0x102/0x170 [ 4770.169069][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4770.169069][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.169069][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.169069][ T3767] netlink_unicast+0x449/0x710 [ 4770.169069][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.169069][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.169069][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.169069][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.169069][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.169069][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4770.169069][ T3767] [ 4770.170747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4770.170747][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4770.170747][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4770.170747][ T3767] ipv6_find_idev+0x102/0x170 [ 4770.170747][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4770.170747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4770.170747][ T3767] netlink_rcv_skb+0x130/0x360 [ 4770.170747][ T3767] netlink_unicast+0x449/0x710 [ 4770.170747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4770.170747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4770.170747][ T3767] ___sys_sendmsg+0xee/0x170 [ 4770.170747][ T3767] __sys_sendmsg+0xcd/0x170 [ 4770.170747][ T3767] do_syscall_64+0xc6/0x1e0 [ 4770.170747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4770.170747][ T3767] [ 4780.423873][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4780.424286][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4780.424286][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4780.424286][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4780.424286][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4780.424286][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4780.424286][ T3767] ip6_route_add+0x1c/0x140 [ 4780.424286][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4780.424286][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.424286][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.424286][ T3767] netlink_unicast+0x449/0x710 [ 4780.424286][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.424286][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.424286][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.424286][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.424286][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.424286][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4780.424286][ T3767] [ 4780.426365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4780.426365][ T3767] netdev_get_by_index+0x5e/0x80 [ 4780.426365][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4780.426365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4780.426365][ T3767] ip6_route_add+0x1c/0x140 [ 4780.426365][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4780.426365][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4780.426365][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4780.426365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.426365][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.426365][ T3767] netlink_unicast+0x449/0x710 [ 4780.426365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.426365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.426365][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.426365][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.426365][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.426365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4780.426365][ T3767] [ 4780.428549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4780.428549][ T3767] netdev_get_by_index+0x5e/0x80 [ 4780.428549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4780.428549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4780.428549][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4780.428549][ T3767] ipv6_add_addr+0x411/0x2000 [ 4780.428549][ T3767] inet6_addr_add+0x30e/0xa40 [ 4780.428549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4780.428549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.428549][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.428549][ T3767] netlink_unicast+0x449/0x710 [ 4780.428549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.428549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.428549][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.428549][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.428549][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.428549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4780.428549][ T3767] [ 4780.430748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4780.430748][ T3767] netdev_get_by_index+0x5e/0x80 [ 4780.430748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4780.430748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4780.430748][ T3767] ip6_route_add+0x1c/0x140 [ 4780.430748][ T3767] addrconf_add_mroute+0x129/0x180 [ 4780.430748][ T3767] addrconf_add_dev+0xe2/0x170 [ 4780.430748][ T3767] inet6_addr_add+0x12f/0xa40 [ 4780.430748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4780.430748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.430748][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.430748][ T3767] netlink_unicast+0x449/0x710 [ 4780.430748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.430748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.430748][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.430748][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.430748][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.430748][ T3767] [ 4780.432896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4780.432896][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4780.432896][ T3767] ipv6_find_idev+0x102/0x170 [ 4780.432896][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4780.432896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.432896][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.432896][ T3767] netlink_unicast+0x449/0x710 [ 4780.432896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.432896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.432896][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.432896][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.432896][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.432896][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4780.432896][ T3767] [ 4780.434585][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4780.434585][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4780.434585][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4780.434585][ T3767] ipv6_find_idev+0x102/0x170 [ 4780.434585][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4780.434585][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4780.434585][ T3767] netlink_rcv_skb+0x130/0x360 [ 4780.434585][ T3767] netlink_unicast+0x449/0x710 [ 4780.434585][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4780.434585][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4780.434585][ T3767] ___sys_sendmsg+0xee/0x170 [ 4780.434585][ T3767] __sys_sendmsg+0xcd/0x170 [ 4780.434585][ T3767] do_syscall_64+0xc6/0x1e0 [ 4780.434585][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4780.434585][ T3767] [ 4790.687935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4790.688347][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4790.688347][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4790.688347][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4790.688347][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4790.688347][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4790.688347][ T3767] ip6_route_add+0x1c/0x140 [ 4790.688347][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4790.688347][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.688347][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.688347][ T3767] netlink_unicast+0x449/0x710 [ 4790.688347][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.688347][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.688347][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.688347][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.688347][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.688347][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.688347][ T3767] [ 4790.690439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4790.690439][ T3767] netdev_get_by_index+0x5e/0x80 [ 4790.690439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4790.690439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4790.690439][ T3767] ip6_route_add+0x1c/0x140 [ 4790.690439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4790.690439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4790.690439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.690439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.690439][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.690439][ T3767] netlink_unicast+0x449/0x710 [ 4790.690439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.690439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.690439][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.690439][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.690439][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.690439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.690439][ T3767] [ 4790.692656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4790.692656][ T3767] netdev_get_by_index+0x5e/0x80 [ 4790.692656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4790.692656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4790.692656][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4790.692656][ T3767] ipv6_add_addr+0x411/0x2000 [ 4790.692656][ T3767] inet6_addr_add+0x30e/0xa40 [ 4790.692656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.692656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.692656][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.692656][ T3767] netlink_unicast+0x449/0x710 [ 4790.692656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.692656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.692656][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.692656][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.692656][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.692656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.692656][ T3767] [ 4790.694878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4790.694878][ T3767] netdev_get_by_index+0x5e/0x80 [ 4790.694878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4790.694878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4790.694878][ T3767] ip6_route_add+0x1c/0x140 [ 4790.694878][ T3767] addrconf_add_mroute+0x129/0x180 [ 4790.694878][ T3767] addrconf_add_dev+0xe2/0x170 [ 4790.694878][ T3767] inet6_addr_add+0x12f/0xa40 [ 4790.694878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4790.694878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.694878][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.694878][ T3767] netlink_unicast+0x449/0x710 [ 4790.694878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.694878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.694878][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.694878][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.694878][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.694878][ T3767] [ 4790.697018][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4790.697018][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4790.697018][ T3767] ipv6_find_idev+0x102/0x170 [ 4790.697018][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4790.697018][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.697018][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.697018][ T3767] netlink_unicast+0x449/0x710 [ 4790.697018][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.697018][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.697018][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.697018][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.697018][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.697018][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.697018][ T3767] [ 4790.698692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4790.698692][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4790.698692][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4790.698692][ T3767] ipv6_find_idev+0x102/0x170 [ 4790.698692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4790.698692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4790.698692][ T3767] netlink_rcv_skb+0x130/0x360 [ 4790.698692][ T3767] netlink_unicast+0x449/0x710 [ 4790.698692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4790.698692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4790.698692][ T3767] ___sys_sendmsg+0xee/0x170 [ 4790.698692][ T3767] __sys_sendmsg+0xcd/0x170 [ 4790.698692][ T3767] do_syscall_64+0xc6/0x1e0 [ 4790.698692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4790.698692][ T3767] [ 4800.951968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4800.952437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4800.952437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4800.952437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4800.952437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4800.952437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4800.952437][ T3767] ip6_route_add+0x1c/0x140 [ 4800.952437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4800.952437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.952437][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.952437][ T3767] netlink_unicast+0x449/0x710 [ 4800.952437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.952437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.952437][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.952437][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.952437][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.952437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.952437][ T3767] [ 4800.954525][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4800.954525][ T3767] netdev_get_by_index+0x5e/0x80 [ 4800.954525][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4800.954525][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4800.954525][ T3767] ip6_route_add+0x1c/0x140 [ 4800.954525][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4800.954525][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4800.954525][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.954525][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.954525][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.954525][ T3767] netlink_unicast+0x449/0x710 [ 4800.954525][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.954525][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.954525][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.954525][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.954525][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.954525][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.954525][ T3767] [ 4800.956718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4800.956718][ T3767] netdev_get_by_index+0x5e/0x80 [ 4800.956718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4800.956718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4800.956718][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4800.956718][ T3767] ipv6_add_addr+0x411/0x2000 [ 4800.956718][ T3767] inet6_addr_add+0x30e/0xa40 [ 4800.956718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.956718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.956718][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.956718][ T3767] netlink_unicast+0x449/0x710 [ 4800.956718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.956718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.956718][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.956718][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.956718][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.956718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.956718][ T3767] [ 4800.958899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4800.958899][ T3767] netdev_get_by_index+0x5e/0x80 [ 4800.958899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4800.958899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4800.958899][ T3767] ip6_route_add+0x1c/0x140 [ 4800.958899][ T3767] addrconf_add_mroute+0x129/0x180 [ 4800.958899][ T3767] addrconf_add_dev+0xe2/0x170 [ 4800.958899][ T3767] inet6_addr_add+0x12f/0xa40 [ 4800.958899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4800.958899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.958899][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.958899][ T3767] netlink_unicast+0x449/0x710 [ 4800.958899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.958899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.958899][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.958899][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.958899][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.958899][ T3767] [ 4800.961049][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4800.961049][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4800.961049][ T3767] ipv6_find_idev+0x102/0x170 [ 4800.961049][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4800.961049][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.961049][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.961049][ T3767] netlink_unicast+0x449/0x710 [ 4800.961049][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.961049][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.961049][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.961049][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.961049][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.961049][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.961049][ T3767] [ 4800.962732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4800.962732][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4800.962732][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4800.962732][ T3767] ipv6_find_idev+0x102/0x170 [ 4800.962732][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4800.962732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4800.962732][ T3767] netlink_rcv_skb+0x130/0x360 [ 4800.962732][ T3767] netlink_unicast+0x449/0x710 [ 4800.962732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4800.962732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4800.962732][ T3767] ___sys_sendmsg+0xee/0x170 [ 4800.962732][ T3767] __sys_sendmsg+0xcd/0x170 [ 4800.962732][ T3767] do_syscall_64+0xc6/0x1e0 [ 4800.962732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4800.962732][ T3767] [ 4811.215878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4811.216349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4811.216349][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4811.216349][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4811.216349][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4811.216349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4811.216349][ T3767] ip6_route_add+0x1c/0x140 [ 4811.216349][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4811.216349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.216349][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.216349][ T3767] netlink_unicast+0x449/0x710 [ 4811.216349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.216349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.216349][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.216349][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.216349][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.216349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4811.216349][ T3767] [ 4811.218718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4811.218718][ T3767] netdev_get_by_index+0x5e/0x80 [ 4811.218718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4811.218718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4811.218718][ T3767] ip6_route_add+0x1c/0x140 [ 4811.218718][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4811.218718][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4811.218718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4811.218718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.218718][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.218718][ T3767] netlink_unicast+0x449/0x710 [ 4811.218718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.218718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.218718][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.218718][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.218718][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.218718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4811.218718][ T3767] [ 4811.221178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4811.221178][ T3767] netdev_get_by_index+0x5e/0x80 [ 4811.221178][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4811.221178][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4811.221178][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4811.221178][ T3767] ipv6_add_addr+0x411/0x2000 [ 4811.221178][ T3767] inet6_addr_add+0x30e/0xa40 [ 4811.221178][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4811.221178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.221178][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.221178][ T3767] netlink_unicast+0x449/0x710 [ 4811.221178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.221178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.221178][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.221178][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.221178][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.221178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4811.221178][ T3767] [ 4811.223635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4811.223635][ T3767] netdev_get_by_index+0x5e/0x80 [ 4811.223635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4811.223635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4811.223635][ T3767] ip6_route_add+0x1c/0x140 [ 4811.223635][ T3767] addrconf_add_mroute+0x129/0x180 [ 4811.223635][ T3767] addrconf_add_dev+0xe2/0x170 [ 4811.223635][ T3767] inet6_addr_add+0x12f/0xa40 [ 4811.223635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4811.223635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.223635][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.223635][ T3767] netlink_unicast+0x449/0x710 [ 4811.223635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.223635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.223635][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.223635][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.223635][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.223635][ T3767] [ 4811.226065][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4811.226065][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4811.226065][ T3767] ipv6_find_idev+0x102/0x170 [ 4811.226065][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4811.226065][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.226065][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.226065][ T3767] netlink_unicast+0x449/0x710 [ 4811.226065][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.226065][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.226065][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.226065][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.226065][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.226065][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4811.226065][ T3767] [ 4811.227960][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4811.227960][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4811.227960][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4811.227960][ T3767] ipv6_find_idev+0x102/0x170 [ 4811.227960][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4811.227960][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4811.227960][ T3767] netlink_rcv_skb+0x130/0x360 [ 4811.227960][ T3767] netlink_unicast+0x449/0x710 [ 4811.227960][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4811.227960][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4811.227960][ T3767] ___sys_sendmsg+0xee/0x170 [ 4811.227960][ T3767] __sys_sendmsg+0xcd/0x170 [ 4811.227960][ T3767] do_syscall_64+0xc6/0x1e0 [ 4811.227960][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4811.227960][ T3767] [ 4821.479956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4821.480394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4821.480394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4821.480394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4821.480394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4821.480394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4821.480394][ T3767] ip6_route_add+0x1c/0x140 [ 4821.480394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4821.480394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.480394][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.480394][ T3767] netlink_unicast+0x449/0x710 [ 4821.480394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.480394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.480394][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.480394][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.480394][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.480394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4821.480394][ T3767] [ 4821.482511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4821.482511][ T3767] netdev_get_by_index+0x5e/0x80 [ 4821.482511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4821.482511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4821.482511][ T3767] ip6_route_add+0x1c/0x140 [ 4821.482511][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4821.482511][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4821.482511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4821.482511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.482511][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.482511][ T3767] netlink_unicast+0x449/0x710 [ 4821.482511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.482511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.482511][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.482511][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.482511][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.482511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4821.482511][ T3767] [ 4821.484747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4821.484747][ T3767] netdev_get_by_index+0x5e/0x80 [ 4821.484747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4821.484747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4821.484747][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4821.484747][ T3767] ipv6_add_addr+0x411/0x2000 [ 4821.484747][ T3767] inet6_addr_add+0x30e/0xa40 [ 4821.484747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4821.484747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.484747][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.484747][ T3767] netlink_unicast+0x449/0x710 [ 4821.484747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.484747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.484747][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.484747][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.484747][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.484747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4821.484747][ T3767] [ 4821.486976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4821.486976][ T3767] netdev_get_by_index+0x5e/0x80 [ 4821.486976][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4821.486976][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4821.486976][ T3767] ip6_route_add+0x1c/0x140 [ 4821.486976][ T3767] addrconf_add_mroute+0x129/0x180 [ 4821.486976][ T3767] addrconf_add_dev+0xe2/0x170 [ 4821.486976][ T3767] inet6_addr_add+0x12f/0xa40 [ 4821.486976][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4821.486976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.486976][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.486976][ T3767] netlink_unicast+0x449/0x710 [ 4821.486976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.486976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.486976][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.486976][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.486976][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.486976][ T3767] [ 4821.489141][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4821.489141][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4821.489141][ T3767] ipv6_find_idev+0x102/0x170 [ 4821.489141][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4821.489141][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.489141][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.489141][ T3767] netlink_unicast+0x449/0x710 [ 4821.489141][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.489141][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.489141][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.489141][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.489141][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.489141][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4821.489141][ T3767] [ 4821.490857][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4821.490857][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4821.490857][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4821.490857][ T3767] ipv6_find_idev+0x102/0x170 [ 4821.490857][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4821.490857][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4821.490857][ T3767] netlink_rcv_skb+0x130/0x360 [ 4821.490857][ T3767] netlink_unicast+0x449/0x710 [ 4821.490857][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4821.490857][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4821.490857][ T3767] ___sys_sendmsg+0xee/0x170 [ 4821.490857][ T3767] __sys_sendmsg+0xcd/0x170 [ 4821.490857][ T3767] do_syscall_64+0xc6/0x1e0 [ 4821.490857][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4821.490857][ T3767] [ 4831.744019][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4831.744507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4831.744507][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4831.744507][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4831.744507][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4831.744507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4831.744507][ T3767] ip6_route_add+0x1c/0x140 [ 4831.744507][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4831.744507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.744507][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.744507][ T3767] netlink_unicast+0x449/0x710 [ 4831.744507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.744507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.744507][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.744507][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.744507][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.744507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.744507][ T3767] [ 4831.746606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4831.746606][ T3767] netdev_get_by_index+0x5e/0x80 [ 4831.746606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4831.746606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4831.746606][ T3767] ip6_route_add+0x1c/0x140 [ 4831.746606][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4831.746606][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4831.746606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.746606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.746606][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.746606][ T3767] netlink_unicast+0x449/0x710 [ 4831.746606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.746606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.746606][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.746606][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.746606][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.746606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.746606][ T3767] [ 4831.748822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4831.748822][ T3767] netdev_get_by_index+0x5e/0x80 [ 4831.748822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4831.748822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4831.748822][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4831.748822][ T3767] ipv6_add_addr+0x411/0x2000 [ 4831.748822][ T3767] inet6_addr_add+0x30e/0xa40 [ 4831.748822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.748822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.748822][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.748822][ T3767] netlink_unicast+0x449/0x710 [ 4831.748822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.748822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.748822][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.748822][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.748822][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.748822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.748822][ T3767] [ 4831.751035][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4831.751035][ T3767] netdev_get_by_index+0x5e/0x80 [ 4831.751035][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4831.751035][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4831.751035][ T3767] ip6_route_add+0x1c/0x140 [ 4831.751035][ T3767] addrconf_add_mroute+0x129/0x180 [ 4831.751035][ T3767] addrconf_add_dev+0xe2/0x170 [ 4831.751035][ T3767] inet6_addr_add+0x12f/0xa40 [ 4831.751035][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4831.751035][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.751035][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.751035][ T3767] netlink_unicast+0x449/0x710 [ 4831.751035][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.751035][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.751035][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.751035][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.751035][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.751035][ T3767] [ 4831.753210][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4831.753210][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4831.753210][ T3767] ipv6_find_idev+0x102/0x170 [ 4831.753210][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4831.753210][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.753210][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.753210][ T3767] netlink_unicast+0x449/0x710 [ 4831.753210][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.753210][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.753210][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.753210][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.753210][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.753210][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.753210][ T3767] [ 4831.754923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4831.754923][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4831.754923][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4831.754923][ T3767] ipv6_find_idev+0x102/0x170 [ 4831.754923][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4831.754923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4831.754923][ T3767] netlink_rcv_skb+0x130/0x360 [ 4831.754923][ T3767] netlink_unicast+0x449/0x710 [ 4831.754923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4831.754923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4831.754923][ T3767] ___sys_sendmsg+0xee/0x170 [ 4831.754923][ T3767] __sys_sendmsg+0xcd/0x170 [ 4831.754923][ T3767] do_syscall_64+0xc6/0x1e0 [ 4831.754923][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4831.754923][ T3767] [ 4841.959949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4841.960385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4841.960385][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4841.960385][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4841.960385][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4841.960385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4841.960385][ T3767] ip6_route_add+0x1c/0x140 [ 4841.960385][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4841.960385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.960385][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.960385][ T3767] netlink_unicast+0x449/0x710 [ 4841.960385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.960385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.960385][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.960385][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.960385][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.960385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.960385][ T3767] [ 4841.962484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4841.962484][ T3767] netdev_get_by_index+0x5e/0x80 [ 4841.962484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4841.962484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4841.962484][ T3767] ip6_route_add+0x1c/0x140 [ 4841.962484][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4841.962484][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4841.962484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.962484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.962484][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.962484][ T3767] netlink_unicast+0x449/0x710 [ 4841.962484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.962484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.962484][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.962484][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.962484][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.962484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.962484][ T3767] [ 4841.964753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4841.964753][ T3767] netdev_get_by_index+0x5e/0x80 [ 4841.964753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4841.964753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4841.964753][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4841.964753][ T3767] ipv6_add_addr+0x411/0x2000 [ 4841.964753][ T3767] inet6_addr_add+0x30e/0xa40 [ 4841.964753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.964753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.964753][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.964753][ T3767] netlink_unicast+0x449/0x710 [ 4841.964753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.964753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.964753][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.964753][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.964753][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.964753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.964753][ T3767] [ 4841.967004][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4841.967004][ T3767] netdev_get_by_index+0x5e/0x80 [ 4841.967004][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4841.967004][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4841.967004][ T3767] ip6_route_add+0x1c/0x140 [ 4841.967004][ T3767] addrconf_add_mroute+0x129/0x180 [ 4841.967004][ T3767] addrconf_add_dev+0xe2/0x170 [ 4841.967004][ T3767] inet6_addr_add+0x12f/0xa40 [ 4841.967004][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4841.967004][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.967004][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.967004][ T3767] netlink_unicast+0x449/0x710 [ 4841.967004][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.967004][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.967004][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.967004][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.967004][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.967004][ T3767] [ 4841.969224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4841.969224][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4841.969224][ T3767] ipv6_find_idev+0x102/0x170 [ 4841.969224][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4841.969224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.969224][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.969224][ T3767] netlink_unicast+0x449/0x710 [ 4841.969224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.969224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.969224][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.969224][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.969224][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.969224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.969224][ T3767] [ 4841.970990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4841.970990][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4841.970990][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4841.970990][ T3767] ipv6_find_idev+0x102/0x170 [ 4841.970990][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4841.970990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4841.970990][ T3767] netlink_rcv_skb+0x130/0x360 [ 4841.970990][ T3767] netlink_unicast+0x449/0x710 [ 4841.970990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4841.970990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4841.970990][ T3767] ___sys_sendmsg+0xee/0x170 [ 4841.970990][ T3767] __sys_sendmsg+0xcd/0x170 [ 4841.970990][ T3767] do_syscall_64+0xc6/0x1e0 [ 4841.970990][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4841.970990][ T3767] [ 4852.216030][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4852.216515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4852.216515][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4852.216515][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4852.216515][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4852.216515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4852.216515][ T3767] ip6_route_add+0x1c/0x140 [ 4852.216515][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4852.216515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.216515][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.216515][ T3767] netlink_unicast+0x449/0x710 [ 4852.216515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.216515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.216515][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.216515][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.216515][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.216515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4852.216515][ T3767] [ 4852.218601][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4852.218601][ T3767] netdev_get_by_index+0x5e/0x80 [ 4852.218601][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4852.218601][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4852.218601][ T3767] ip6_route_add+0x1c/0x140 [ 4852.218601][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4852.218601][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4852.218601][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4852.218601][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.218601][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.218601][ T3767] netlink_unicast+0x449/0x710 [ 4852.218601][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.218601][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.218601][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.218601][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.218601][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.218601][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4852.218601][ T3767] [ 4852.220797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4852.220797][ T3767] netdev_get_by_index+0x5e/0x80 [ 4852.220797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4852.220797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4852.220797][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4852.220797][ T3767] ipv6_add_addr+0x411/0x2000 [ 4852.220797][ T3767] inet6_addr_add+0x30e/0xa40 [ 4852.220797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4852.220797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.220797][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.220797][ T3767] netlink_unicast+0x449/0x710 [ 4852.220797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.220797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.220797][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.220797][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.220797][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.220797][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4852.220797][ T3767] [ 4852.222978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4852.222978][ T3767] netdev_get_by_index+0x5e/0x80 [ 4852.222978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4852.222978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4852.222978][ T3767] ip6_route_add+0x1c/0x140 [ 4852.222978][ T3767] addrconf_add_mroute+0x129/0x180 [ 4852.222978][ T3767] addrconf_add_dev+0xe2/0x170 [ 4852.222978][ T3767] inet6_addr_add+0x12f/0xa40 [ 4852.222978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4852.222978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.222978][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.222978][ T3767] netlink_unicast+0x449/0x710 [ 4852.222978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.222978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.222978][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.222978][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.222978][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.222978][ T3767] [ 4852.225137][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4852.225137][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4852.225137][ T3767] ipv6_find_idev+0x102/0x170 [ 4852.225137][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4852.225137][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.225137][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.225137][ T3767] netlink_unicast+0x449/0x710 [ 4852.225137][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.225137][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.225137][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.225137][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.225137][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.225137][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4852.225137][ T3767] [ 4852.226808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4852.226808][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4852.226808][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4852.226808][ T3767] ipv6_find_idev+0x102/0x170 [ 4852.226808][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4852.226808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4852.226808][ T3767] netlink_rcv_skb+0x130/0x360 [ 4852.226808][ T3767] netlink_unicast+0x449/0x710 [ 4852.226808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4852.226808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4852.226808][ T3767] ___sys_sendmsg+0xee/0x170 [ 4852.226808][ T3767] __sys_sendmsg+0xcd/0x170 [ 4852.226808][ T3767] do_syscall_64+0xc6/0x1e0 [ 4852.226808][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4852.226808][ T3767] [ 4862.464017][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4862.464491][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4862.464491][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4862.464491][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4862.464491][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4862.464491][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4862.464491][ T3767] ip6_route_add+0x1c/0x140 [ 4862.464491][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4862.464491][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.464491][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.464491][ T3767] netlink_unicast+0x449/0x710 [ 4862.464491][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.464491][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.464491][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.464491][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.464491][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.464491][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4862.464491][ T3767] [ 4862.467052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4862.467052][ T3767] netdev_get_by_index+0x5e/0x80 [ 4862.467052][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4862.467052][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4862.467052][ T3767] ip6_route_add+0x1c/0x140 [ 4862.467052][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4862.467052][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4862.467052][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4862.467052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.467052][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.467052][ T3767] netlink_unicast+0x449/0x710 [ 4862.467052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.467052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.467052][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.467052][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.467052][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.467052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4862.467052][ T3767] [ 4862.469241][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4862.469241][ T3767] netdev_get_by_index+0x5e/0x80 [ 4862.469241][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4862.469241][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4862.469241][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4862.469241][ T3767] ipv6_add_addr+0x411/0x2000 [ 4862.469241][ T3767] inet6_addr_add+0x30e/0xa40 [ 4862.469241][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4862.469241][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.469241][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.469241][ T3767] netlink_unicast+0x449/0x710 [ 4862.469241][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.469241][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.469241][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.469241][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.469241][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.469241][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4862.469241][ T3767] [ 4862.471424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4862.471424][ T3767] netdev_get_by_index+0x5e/0x80 [ 4862.471424][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4862.471424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4862.471424][ T3767] ip6_route_add+0x1c/0x140 [ 4862.471424][ T3767] addrconf_add_mroute+0x129/0x180 [ 4862.471424][ T3767] addrconf_add_dev+0xe2/0x170 [ 4862.471424][ T3767] inet6_addr_add+0x12f/0xa40 [ 4862.471424][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4862.471424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.471424][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.471424][ T3767] netlink_unicast+0x449/0x710 [ 4862.471424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.471424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.471424][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.471424][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.471424][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.471424][ T3767] [ 4862.473572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4862.473572][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4862.473572][ T3767] ipv6_find_idev+0x102/0x170 [ 4862.473572][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4862.473572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.473572][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.473572][ T3767] netlink_unicast+0x449/0x710 [ 4862.473572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.473572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.473572][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.473572][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.473572][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.473572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4862.473572][ T3767] [ 4862.475272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4862.475272][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4862.475272][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4862.475272][ T3767] ipv6_find_idev+0x102/0x170 [ 4862.475272][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4862.475272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4862.475272][ T3767] netlink_rcv_skb+0x130/0x360 [ 4862.475272][ T3767] netlink_unicast+0x449/0x710 [ 4862.475272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4862.475272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4862.475272][ T3767] ___sys_sendmsg+0xee/0x170 [ 4862.475272][ T3767] __sys_sendmsg+0xcd/0x170 [ 4862.475272][ T3767] do_syscall_64+0xc6/0x1e0 [ 4862.475272][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4862.475272][ T3767] [ 4872.719974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4872.720521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4872.720521][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4872.720521][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4872.720521][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4872.720521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4872.720521][ T3767] ip6_route_add+0x1c/0x140 [ 4872.720521][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4872.720521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.720521][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.720521][ T3767] netlink_unicast+0x449/0x710 [ 4872.720521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.720521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.720521][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.720521][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.720521][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.720521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4872.720521][ T3767] [ 4872.722851][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4872.722851][ T3767] netdev_get_by_index+0x5e/0x80 [ 4872.722851][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4872.722851][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4872.722851][ T3767] ip6_route_add+0x1c/0x140 [ 4872.722851][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4872.722851][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4872.722851][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4872.722851][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.722851][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.722851][ T3767] netlink_unicast+0x449/0x710 [ 4872.722851][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.722851][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.722851][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.722851][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.722851][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.722851][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4872.722851][ T3767] [ 4872.725319][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4872.725319][ T3767] netdev_get_by_index+0x5e/0x80 [ 4872.725319][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4872.725319][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4872.725319][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4872.725319][ T3767] ipv6_add_addr+0x411/0x2000 [ 4872.725319][ T3767] inet6_addr_add+0x30e/0xa40 [ 4872.725319][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4872.725319][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.725319][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.725319][ T3767] netlink_unicast+0x449/0x710 [ 4872.725319][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.725319][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.725319][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.725319][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.725319][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.725319][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4872.725319][ T3767] [ 4872.727777][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4872.727777][ T3767] netdev_get_by_index+0x5e/0x80 [ 4872.727777][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4872.727777][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4872.727777][ T3767] ip6_route_add+0x1c/0x140 [ 4872.727777][ T3767] addrconf_add_mroute+0x129/0x180 [ 4872.727777][ T3767] addrconf_add_dev+0xe2/0x170 [ 4872.727777][ T3767] inet6_addr_add+0x12f/0xa40 [ 4872.727777][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4872.727777][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.727777][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.727777][ T3767] netlink_unicast+0x449/0x710 [ 4872.727777][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.727777][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.727777][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.727777][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.727777][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.727777][ T3767] [ 4872.730187][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4872.730187][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4872.730187][ T3767] ipv6_find_idev+0x102/0x170 [ 4872.730187][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4872.730187][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.730187][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.730187][ T3767] netlink_unicast+0x449/0x710 [ 4872.730187][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.730187][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.730187][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.730187][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.730187][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.730187][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4872.730187][ T3767] [ 4872.732086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4872.732086][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4872.732086][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4872.732086][ T3767] ipv6_find_idev+0x102/0x170 [ 4872.732086][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4872.732086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4872.732086][ T3767] netlink_rcv_skb+0x130/0x360 [ 4872.732086][ T3767] netlink_unicast+0x449/0x710 [ 4872.732086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4872.732086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4872.732086][ T3767] ___sys_sendmsg+0xee/0x170 [ 4872.732086][ T3767] __sys_sendmsg+0xcd/0x170 [ 4872.732086][ T3767] do_syscall_64+0xc6/0x1e0 [ 4872.732086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4872.732086][ T3767] [ 4882.887872][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4882.888399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4882.888399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4882.888399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4882.888399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4882.888399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4882.888399][ T3767] ip6_route_add+0x1c/0x140 [ 4882.888399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4882.888399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.888399][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.888399][ T3767] netlink_unicast+0x449/0x710 [ 4882.888399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.888399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.888399][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.888399][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.888399][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.888399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.888399][ T3767] [ 4882.890767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4882.890767][ T3767] netdev_get_by_index+0x5e/0x80 [ 4882.890767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4882.890767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4882.890767][ T3767] ip6_route_add+0x1c/0x140 [ 4882.890767][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4882.890767][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4882.890767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.890767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.890767][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.890767][ T3767] netlink_unicast+0x449/0x710 [ 4882.890767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.890767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.890767][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.890767][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.890767][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.890767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.890767][ T3767] [ 4882.893272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4882.893272][ T3767] netdev_get_by_index+0x5e/0x80 [ 4882.893272][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4882.893272][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4882.893272][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4882.893272][ T3767] ipv6_add_addr+0x411/0x2000 [ 4882.893272][ T3767] inet6_addr_add+0x30e/0xa40 [ 4882.893272][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.893272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.893272][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.893272][ T3767] netlink_unicast+0x449/0x710 [ 4882.893272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.893272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.893272][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.893272][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.893272][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.893272][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.893272][ T3767] [ 4882.895740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4882.895740][ T3767] netdev_get_by_index+0x5e/0x80 [ 4882.895740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4882.895740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4882.895740][ T3767] ip6_route_add+0x1c/0x140 [ 4882.895740][ T3767] addrconf_add_mroute+0x129/0x180 [ 4882.895740][ T3767] addrconf_add_dev+0xe2/0x170 [ 4882.895740][ T3767] inet6_addr_add+0x12f/0xa40 [ 4882.895740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4882.895740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.895740][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.895740][ T3767] netlink_unicast+0x449/0x710 [ 4882.895740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.895740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.895740][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.895740][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.895740][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.895740][ T3767] [ 4882.898220][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4882.898220][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4882.898220][ T3767] ipv6_find_idev+0x102/0x170 [ 4882.898220][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4882.898220][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.898220][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.898220][ T3767] netlink_unicast+0x449/0x710 [ 4882.898220][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.898220][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.898220][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.898220][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.898220][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.898220][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.898220][ T3767] [ 4882.900116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4882.900116][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4882.900116][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4882.900116][ T3767] ipv6_find_idev+0x102/0x170 [ 4882.900116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4882.900116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4882.900116][ T3767] netlink_rcv_skb+0x130/0x360 [ 4882.900116][ T3767] netlink_unicast+0x449/0x710 [ 4882.900116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4882.900116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4882.900116][ T3767] ___sys_sendmsg+0xee/0x170 [ 4882.900116][ T3767] __sys_sendmsg+0xcd/0x170 [ 4882.900116][ T3767] do_syscall_64+0xc6/0x1e0 [ 4882.900116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4882.900116][ T3767] [ 4893.095860][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4893.096385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4893.096385][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4893.096385][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4893.096385][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4893.096385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4893.096385][ T3767] ip6_route_add+0x1c/0x140 [ 4893.096385][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4893.096385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.096385][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.096385][ T3767] netlink_unicast+0x449/0x710 [ 4893.096385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.096385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.096385][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.096385][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.096385][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.096385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4893.096385][ T3767] [ 4893.098741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4893.098741][ T3767] netdev_get_by_index+0x5e/0x80 [ 4893.098741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4893.098741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4893.098741][ T3767] ip6_route_add+0x1c/0x140 [ 4893.098741][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4893.098741][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4893.098741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4893.098741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.098741][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.098741][ T3767] netlink_unicast+0x449/0x710 [ 4893.098741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.098741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.098741][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.098741][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.098741][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.098741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4893.098741][ T3767] [ 4893.101199][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4893.101199][ T3767] netdev_get_by_index+0x5e/0x80 [ 4893.101199][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4893.101199][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4893.101199][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4893.101199][ T3767] ipv6_add_addr+0x411/0x2000 [ 4893.101199][ T3767] inet6_addr_add+0x30e/0xa40 [ 4893.101199][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4893.101199][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.101199][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.101199][ T3767] netlink_unicast+0x449/0x710 [ 4893.101199][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.101199][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.101199][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.101199][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.101199][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.101199][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4893.101199][ T3767] [ 4893.103675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4893.103675][ T3767] netdev_get_by_index+0x5e/0x80 [ 4893.103675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4893.103675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4893.103675][ T3767] ip6_route_add+0x1c/0x140 [ 4893.103675][ T3767] addrconf_add_mroute+0x129/0x180 [ 4893.103675][ T3767] addrconf_add_dev+0xe2/0x170 [ 4893.103675][ T3767] inet6_addr_add+0x12f/0xa40 [ 4893.103675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4893.103675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.103675][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.103675][ T3767] netlink_unicast+0x449/0x710 [ 4893.103675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.103675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.103675][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.103675][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.103675][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.103675][ T3767] [ 4893.106084][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4893.106084][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4893.106084][ T3767] ipv6_find_idev+0x102/0x170 [ 4893.106084][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4893.106084][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.106084][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.106084][ T3767] netlink_unicast+0x449/0x710 [ 4893.106084][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.106084][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.106084][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.106084][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.106084][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.106084][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4893.106084][ T3767] [ 4893.107973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4893.107973][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4893.107973][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4893.107973][ T3767] ipv6_find_idev+0x102/0x170 [ 4893.107973][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4893.107973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4893.107973][ T3767] netlink_rcv_skb+0x130/0x360 [ 4893.107973][ T3767] netlink_unicast+0x449/0x710 [ 4893.107973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4893.107973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4893.107973][ T3767] ___sys_sendmsg+0xee/0x170 [ 4893.107973][ T3767] __sys_sendmsg+0xcd/0x170 [ 4893.107973][ T3767] do_syscall_64+0xc6/0x1e0 [ 4893.107973][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4893.107973][ T3767] [ 4903.239976][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4903.240517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4903.240517][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4903.240517][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4903.240517][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4903.240517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4903.240517][ T3767] ip6_route_add+0x1c/0x140 [ 4903.240517][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4903.240517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.240517][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.240517][ T3767] netlink_unicast+0x449/0x710 [ 4903.240517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.240517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.240517][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.240517][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.240517][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.240517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4903.240517][ T3767] [ 4903.242847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4903.242847][ T3767] netdev_get_by_index+0x5e/0x80 [ 4903.242847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4903.242847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4903.242847][ T3767] ip6_route_add+0x1c/0x140 [ 4903.242847][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4903.242847][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4903.242847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4903.242847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.242847][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.242847][ T3767] netlink_unicast+0x449/0x710 [ 4903.242847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.242847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.242847][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.242847][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.242847][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.242847][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4903.242847][ T3767] [ 4903.245306][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4903.245306][ T3767] netdev_get_by_index+0x5e/0x80 [ 4903.245306][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4903.245306][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4903.245306][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4903.245306][ T3767] ipv6_add_addr+0x411/0x2000 [ 4903.245306][ T3767] inet6_addr_add+0x30e/0xa40 [ 4903.245306][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4903.245306][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.245306][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.245306][ T3767] netlink_unicast+0x449/0x710 [ 4903.245306][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.245306][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.245306][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.245306][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.245306][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.245306][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4903.245306][ T3767] [ 4903.247743][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4903.247743][ T3767] netdev_get_by_index+0x5e/0x80 [ 4903.247743][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4903.247743][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4903.247743][ T3767] ip6_route_add+0x1c/0x140 [ 4903.247743][ T3767] addrconf_add_mroute+0x129/0x180 [ 4903.247743][ T3767] addrconf_add_dev+0xe2/0x170 [ 4903.247743][ T3767] inet6_addr_add+0x12f/0xa40 [ 4903.247743][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4903.247743][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.247743][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.247743][ T3767] netlink_unicast+0x449/0x710 [ 4903.247743][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.247743][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.247743][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.247743][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.247743][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.247743][ T3767] [ 4903.250128][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4903.250128][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4903.250128][ T3767] ipv6_find_idev+0x102/0x170 [ 4903.250128][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4903.250128][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.250128][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.250128][ T3767] netlink_unicast+0x449/0x710 [ 4903.250128][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.250128][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.250128][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.250128][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.250128][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.250128][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4903.250128][ T3767] [ 4903.252014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4903.252014][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4903.252014][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4903.252014][ T3767] ipv6_find_idev+0x102/0x170 [ 4903.252014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4903.252014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4903.252014][ T3767] netlink_rcv_skb+0x130/0x360 [ 4903.252014][ T3767] netlink_unicast+0x449/0x710 [ 4903.252014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4903.252014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4903.252014][ T3767] ___sys_sendmsg+0xee/0x170 [ 4903.252014][ T3767] __sys_sendmsg+0xcd/0x170 [ 4903.252014][ T3767] do_syscall_64+0xc6/0x1e0 [ 4903.252014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4903.252014][ T3767] [ 4913.399897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4913.400432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4913.400432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4913.400432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4913.400432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4913.400432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4913.400432][ T3767] ip6_route_add+0x1c/0x140 [ 4913.400432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4913.400432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.400432][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.400432][ T3767] netlink_unicast+0x449/0x710 [ 4913.400432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.400432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.400432][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.400432][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.400432][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.400432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4913.400432][ T3767] [ 4913.402775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4913.402775][ T3767] netdev_get_by_index+0x5e/0x80 [ 4913.402775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4913.402775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4913.402775][ T3767] ip6_route_add+0x1c/0x140 [ 4913.402775][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4913.402775][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4913.402775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4913.402775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.402775][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.402775][ T3767] netlink_unicast+0x449/0x710 [ 4913.402775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.402775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.402775][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.402775][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.402775][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.402775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4913.402775][ T3767] [ 4913.405735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4913.405735][ T3767] netdev_get_by_index+0x5e/0x80 [ 4913.405735][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4913.405735][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4913.405735][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4913.405735][ T3767] ipv6_add_addr+0x411/0x2000 [ 4913.405735][ T3767] inet6_addr_add+0x30e/0xa40 [ 4913.405735][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4913.405735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.405735][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.405735][ T3767] netlink_unicast+0x449/0x710 [ 4913.405735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.405735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.405735][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.405735][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.405735][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.405735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4913.405735][ T3767] [ 4913.408206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4913.408206][ T3767] netdev_get_by_index+0x5e/0x80 [ 4913.408206][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4913.408206][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4913.408206][ T3767] ip6_route_add+0x1c/0x140 [ 4913.408206][ T3767] addrconf_add_mroute+0x129/0x180 [ 4913.408206][ T3767] addrconf_add_dev+0xe2/0x170 [ 4913.408206][ T3767] inet6_addr_add+0x12f/0xa40 [ 4913.408206][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4913.408206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.408206][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.408206][ T3767] netlink_unicast+0x449/0x710 [ 4913.408206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.408206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.408206][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.408206][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.408206][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.408206][ T3767] [ 4913.410664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4913.410664][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4913.410664][ T3767] ipv6_find_idev+0x102/0x170 [ 4913.410664][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4913.410664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.410664][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.410664][ T3767] netlink_unicast+0x449/0x710 [ 4913.410664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.410664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.410664][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.410664][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.410664][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.410664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4913.410664][ T3767] [ 4913.412806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4913.412806][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4913.412806][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4913.412806][ T3767] ipv6_find_idev+0x102/0x170 [ 4913.412806][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4913.412806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4913.412806][ T3767] netlink_rcv_skb+0x130/0x360 [ 4913.412806][ T3767] netlink_unicast+0x449/0x710 [ 4913.412806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4913.412806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4913.412806][ T3767] ___sys_sendmsg+0xee/0x170 [ 4913.412806][ T3767] __sys_sendmsg+0xcd/0x170 [ 4913.412806][ T3767] do_syscall_64+0xc6/0x1e0 [ 4913.412806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4913.412806][ T3767] [ 4923.431866][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4923.432415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4923.432415][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4923.432415][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4923.432415][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4923.432415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4923.432415][ T3767] ip6_route_add+0x1c/0x140 [ 4923.432415][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4923.432415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.432415][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.432415][ T3767] netlink_unicast+0x449/0x710 [ 4923.432415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.432415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.432415][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.432415][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.432415][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.432415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4923.432415][ T3767] [ 4923.434780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4923.434780][ T3767] netdev_get_by_index+0x5e/0x80 [ 4923.434780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4923.434780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4923.434780][ T3767] ip6_route_add+0x1c/0x140 [ 4923.434780][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4923.434780][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4923.434780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4923.434780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.434780][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.434780][ T3767] netlink_unicast+0x449/0x710 [ 4923.434780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.434780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.434780][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.434780][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.434780][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.434780][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4923.434780][ T3767] [ 4923.437234][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4923.437234][ T3767] netdev_get_by_index+0x5e/0x80 [ 4923.437234][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4923.437234][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4923.437234][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4923.437234][ T3767] ipv6_add_addr+0x411/0x2000 [ 4923.437234][ T3767] inet6_addr_add+0x30e/0xa40 [ 4923.437234][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4923.437234][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.437234][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.437234][ T3767] netlink_unicast+0x449/0x710 [ 4923.437234][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.437234][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.437234][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.437234][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.437234][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.437234][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4923.437234][ T3767] [ 4923.439695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4923.439695][ T3767] netdev_get_by_index+0x5e/0x80 [ 4923.439695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4923.439695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4923.439695][ T3767] ip6_route_add+0x1c/0x140 [ 4923.439695][ T3767] addrconf_add_mroute+0x129/0x180 [ 4923.439695][ T3767] addrconf_add_dev+0xe2/0x170 [ 4923.439695][ T3767] inet6_addr_add+0x12f/0xa40 [ 4923.439695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4923.439695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.439695][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.439695][ T3767] netlink_unicast+0x449/0x710 [ 4923.439695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.439695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.439695][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.439695][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.439695][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.439695][ T3767] [ 4923.442114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4923.442114][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4923.442114][ T3767] ipv6_find_idev+0x102/0x170 [ 4923.442114][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4923.442114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.442114][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.442114][ T3767] netlink_unicast+0x449/0x710 [ 4923.442114][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.442114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.442114][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.442114][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.442114][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.442114][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4923.442114][ T3767] [ 4923.444014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4923.444014][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4923.444014][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4923.444014][ T3767] ipv6_find_idev+0x102/0x170 [ 4923.444014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4923.444014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4923.444014][ T3767] netlink_rcv_skb+0x130/0x360 [ 4923.444014][ T3767] netlink_unicast+0x449/0x710 [ 4923.444014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4923.444014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4923.444014][ T3767] ___sys_sendmsg+0xee/0x170 [ 4923.444014][ T3767] __sys_sendmsg+0xcd/0x170 [ 4923.444014][ T3767] do_syscall_64+0xc6/0x1e0 [ 4923.444014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4923.444014][ T3767] [ 4933.687867][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4933.688396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4933.688396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4933.688396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4933.688396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4933.688396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4933.688396][ T3767] ip6_route_add+0x1c/0x140 [ 4933.688396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4933.688396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.688396][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.688396][ T3767] netlink_unicast+0x449/0x710 [ 4933.688396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.688396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.688396][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.688396][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.688396][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.688396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4933.688396][ T3767] [ 4933.690731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4933.690731][ T3767] netdev_get_by_index+0x5e/0x80 [ 4933.690731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4933.690731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4933.690731][ T3767] ip6_route_add+0x1c/0x140 [ 4933.690731][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4933.690731][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4933.690731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4933.690731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.690731][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.690731][ T3767] netlink_unicast+0x449/0x710 [ 4933.690731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.690731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.690731][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.690731][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.690731][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.690731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4933.690731][ T3767] [ 4933.693191][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4933.693191][ T3767] netdev_get_by_index+0x5e/0x80 [ 4933.693191][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4933.693191][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4933.693191][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4933.693191][ T3767] ipv6_add_addr+0x411/0x2000 [ 4933.693191][ T3767] inet6_addr_add+0x30e/0xa40 [ 4933.693191][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4933.693191][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.693191][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.693191][ T3767] netlink_unicast+0x449/0x710 [ 4933.693191][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.693191][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.693191][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.693191][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.693191][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.693191][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4933.693191][ T3767] [ 4933.695657][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4933.695657][ T3767] netdev_get_by_index+0x5e/0x80 [ 4933.695657][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4933.695657][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4933.695657][ T3767] ip6_route_add+0x1c/0x140 [ 4933.695657][ T3767] addrconf_add_mroute+0x129/0x180 [ 4933.695657][ T3767] addrconf_add_dev+0xe2/0x170 [ 4933.695657][ T3767] inet6_addr_add+0x12f/0xa40 [ 4933.695657][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4933.695657][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.695657][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.695657][ T3767] netlink_unicast+0x449/0x710 [ 4933.695657][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.695657][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.695657][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.695657][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.695657][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.695657][ T3767] [ 4933.698100][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4933.698100][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4933.698100][ T3767] ipv6_find_idev+0x102/0x170 [ 4933.698100][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4933.698100][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.698100][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.698100][ T3767] netlink_unicast+0x449/0x710 [ 4933.698100][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.698100][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.698100][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.698100][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.698100][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.698100][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4933.698100][ T3767] [ 4933.699992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4933.699992][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4933.699992][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4933.699992][ T3767] ipv6_find_idev+0x102/0x170 [ 4933.699992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4933.699992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4933.699992][ T3767] netlink_rcv_skb+0x130/0x360 [ 4933.699992][ T3767] netlink_unicast+0x449/0x710 [ 4933.699992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4933.699992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4933.699992][ T3767] ___sys_sendmsg+0xee/0x170 [ 4933.699992][ T3767] __sys_sendmsg+0xcd/0x170 [ 4933.699992][ T3767] do_syscall_64+0xc6/0x1e0 [ 4933.699992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4933.699992][ T3767] [ 4943.943952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4943.944425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4943.944425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4943.944425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4943.944425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4943.944425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4943.944425][ T3767] ip6_route_add+0x1c/0x140 [ 4943.944425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4943.944425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.944425][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.944425][ T3767] netlink_unicast+0x449/0x710 [ 4943.944425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.944425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.944425][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.944425][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.944425][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.944425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.944425][ T3767] [ 4943.946771][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4943.946771][ T3767] netdev_get_by_index+0x5e/0x80 [ 4943.946771][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4943.946771][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4943.946771][ T3767] ip6_route_add+0x1c/0x140 [ 4943.946771][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4943.946771][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4943.946771][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.946771][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.946771][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.946771][ T3767] netlink_unicast+0x449/0x710 [ 4943.946771][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.946771][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.946771][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.946771][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.946771][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.946771][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.946771][ T3767] [ 4943.949225][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4943.949225][ T3767] netdev_get_by_index+0x5e/0x80 [ 4943.949225][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4943.949225][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4943.949225][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4943.949225][ T3767] ipv6_add_addr+0x411/0x2000 [ 4943.949225][ T3767] inet6_addr_add+0x30e/0xa40 [ 4943.949225][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.949225][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.949225][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.949225][ T3767] netlink_unicast+0x449/0x710 [ 4943.949225][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.949225][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.949225][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.949225][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.949225][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.949225][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.949225][ T3767] [ 4943.951703][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4943.951703][ T3767] netdev_get_by_index+0x5e/0x80 [ 4943.951703][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4943.951703][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4943.951703][ T3767] ip6_route_add+0x1c/0x140 [ 4943.951703][ T3767] addrconf_add_mroute+0x129/0x180 [ 4943.951703][ T3767] addrconf_add_dev+0xe2/0x170 [ 4943.951703][ T3767] inet6_addr_add+0x12f/0xa40 [ 4943.951703][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4943.951703][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.951703][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.951703][ T3767] netlink_unicast+0x449/0x710 [ 4943.951703][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.951703][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.951703][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.951703][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.951703][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.951703][ T3767] [ 4943.954118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4943.954118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4943.954118][ T3767] ipv6_find_idev+0x102/0x170 [ 4943.954118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4943.954118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.954118][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.954118][ T3767] netlink_unicast+0x449/0x710 [ 4943.954118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.954118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.954118][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.954118][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.954118][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.954118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.954118][ T3767] [ 4943.956006][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4943.956006][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4943.956006][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4943.956006][ T3767] ipv6_find_idev+0x102/0x170 [ 4943.956006][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4943.956006][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4943.956006][ T3767] netlink_rcv_skb+0x130/0x360 [ 4943.956006][ T3767] netlink_unicast+0x449/0x710 [ 4943.956006][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4943.956006][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4943.956006][ T3767] ___sys_sendmsg+0xee/0x170 [ 4943.956006][ T3767] __sys_sendmsg+0xcd/0x170 [ 4943.956006][ T3767] do_syscall_64+0xc6/0x1e0 [ 4943.956006][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4943.956006][ T3767] [ 4954.063943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4954.064428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4954.064428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4954.064428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4954.064428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4954.064428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4954.064428][ T3767] ip6_route_add+0x1c/0x140 [ 4954.064428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4954.064428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.064428][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.064428][ T3767] netlink_unicast+0x449/0x710 [ 4954.064428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.064428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.064428][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.064428][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.064428][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.064428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4954.064428][ T3767] [ 4954.066759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4954.066759][ T3767] netdev_get_by_index+0x5e/0x80 [ 4954.066759][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4954.066759][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4954.066759][ T3767] ip6_route_add+0x1c/0x140 [ 4954.066759][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4954.066759][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4954.066759][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4954.066759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.066759][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.066759][ T3767] netlink_unicast+0x449/0x710 [ 4954.066759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.066759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.066759][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.066759][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.066759][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.066759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4954.066759][ T3767] [ 4954.069239][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4954.069239][ T3767] netdev_get_by_index+0x5e/0x80 [ 4954.069239][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4954.069239][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4954.069239][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4954.069239][ T3767] ipv6_add_addr+0x411/0x2000 [ 4954.069239][ T3767] inet6_addr_add+0x30e/0xa40 [ 4954.069239][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4954.069239][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.069239][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.069239][ T3767] netlink_unicast+0x449/0x710 [ 4954.069239][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.069239][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.069239][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.069239][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.069239][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.069239][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4954.069239][ T3767] [ 4954.071692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4954.071692][ T3767] netdev_get_by_index+0x5e/0x80 [ 4954.071692][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4954.071692][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4954.071692][ T3767] ip6_route_add+0x1c/0x140 [ 4954.071692][ T3767] addrconf_add_mroute+0x129/0x180 [ 4954.071692][ T3767] addrconf_add_dev+0xe2/0x170 [ 4954.071692][ T3767] inet6_addr_add+0x12f/0xa40 [ 4954.071692][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4954.071692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.071692][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.071692][ T3767] netlink_unicast+0x449/0x710 [ 4954.071692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.071692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.071692][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.071692][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.071692][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.071692][ T3767] [ 4954.074091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4954.074091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4954.074091][ T3767] ipv6_find_idev+0x102/0x170 [ 4954.074091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4954.074091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.074091][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.074091][ T3767] netlink_unicast+0x449/0x710 [ 4954.074091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.074091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.074091][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.074091][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.074091][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.074091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4954.074091][ T3767] [ 4954.075979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4954.075979][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4954.075979][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4954.075979][ T3767] ipv6_find_idev+0x102/0x170 [ 4954.075979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4954.075979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4954.075979][ T3767] netlink_rcv_skb+0x130/0x360 [ 4954.075979][ T3767] netlink_unicast+0x449/0x710 [ 4954.075979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4954.075979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4954.075979][ T3767] ___sys_sendmsg+0xee/0x170 [ 4954.075979][ T3767] __sys_sendmsg+0xcd/0x170 [ 4954.075979][ T3767] do_syscall_64+0xc6/0x1e0 [ 4954.075979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4954.075979][ T3767] [ 4964.320017][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4964.320494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4964.320494][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4964.320494][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4964.320494][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4964.320494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4964.320494][ T3767] ip6_route_add+0x1c/0x140 [ 4964.320494][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4964.320494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.320494][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.320494][ T3767] netlink_unicast+0x449/0x710 [ 4964.320494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.320494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.320494][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.320494][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.320494][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.320494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4964.320494][ T3767] [ 4964.322829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4964.322829][ T3767] netdev_get_by_index+0x5e/0x80 [ 4964.322829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4964.322829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4964.322829][ T3767] ip6_route_add+0x1c/0x140 [ 4964.322829][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4964.322829][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4964.322829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4964.322829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.322829][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.322829][ T3767] netlink_unicast+0x449/0x710 [ 4964.322829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.322829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.322829][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.322829][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.322829][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.322829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4964.322829][ T3767] [ 4964.325313][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4964.325313][ T3767] netdev_get_by_index+0x5e/0x80 [ 4964.325313][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4964.325313][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4964.325313][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4964.325313][ T3767] ipv6_add_addr+0x411/0x2000 [ 4964.325313][ T3767] inet6_addr_add+0x30e/0xa40 [ 4964.325313][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4964.325313][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.325313][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.325313][ T3767] netlink_unicast+0x449/0x710 [ 4964.325313][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.325313][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.325313][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.325313][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.325313][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.325313][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4964.325313][ T3767] [ 4964.327770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4964.327770][ T3767] netdev_get_by_index+0x5e/0x80 [ 4964.327770][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4964.327770][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4964.327770][ T3767] ip6_route_add+0x1c/0x140 [ 4964.327770][ T3767] addrconf_add_mroute+0x129/0x180 [ 4964.327770][ T3767] addrconf_add_dev+0xe2/0x170 [ 4964.327770][ T3767] inet6_addr_add+0x12f/0xa40 [ 4964.327770][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4964.327770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.327770][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.327770][ T3767] netlink_unicast+0x449/0x710 [ 4964.327770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.327770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.327770][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.327770][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.327770][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.327770][ T3767] [ 4964.330180][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4964.330180][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4964.330180][ T3767] ipv6_find_idev+0x102/0x170 [ 4964.330180][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4964.330180][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.330180][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.330180][ T3767] netlink_unicast+0x449/0x710 [ 4964.330180][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.330180][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.330180][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.330180][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.330180][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.330180][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4964.330180][ T3767] [ 4964.332066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4964.332066][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4964.332066][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4964.332066][ T3767] ipv6_find_idev+0x102/0x170 [ 4964.332066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4964.332066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4964.332066][ T3767] netlink_rcv_skb+0x130/0x360 [ 4964.332066][ T3767] netlink_unicast+0x449/0x710 [ 4964.332066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4964.332066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4964.332066][ T3767] ___sys_sendmsg+0xee/0x170 [ 4964.332066][ T3767] __sys_sendmsg+0xcd/0x170 [ 4964.332066][ T3767] do_syscall_64+0xc6/0x1e0 [ 4964.332066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4964.332066][ T3767] [ 4974.584021][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4974.584520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4974.584520][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4974.584520][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4974.584520][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4974.584520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4974.584520][ T3767] ip6_route_add+0x1c/0x140 [ 4974.584520][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4974.584520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.584520][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.584520][ T3767] netlink_unicast+0x449/0x710 [ 4974.584520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.584520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.584520][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.584520][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.584520][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.584520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4974.584520][ T3767] [ 4974.586696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4974.586696][ T3767] netdev_get_by_index+0x5e/0x80 [ 4974.586696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4974.586696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4974.586696][ T3767] ip6_route_add+0x1c/0x140 [ 4974.586696][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4974.586696][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4974.586696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4974.586696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.586696][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.586696][ T3767] netlink_unicast+0x449/0x710 [ 4974.586696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.586696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.586696][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.586696][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.586696][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.586696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4974.586696][ T3767] [ 4974.588890][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4974.588890][ T3767] netdev_get_by_index+0x5e/0x80 [ 4974.588890][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4974.588890][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4974.588890][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4974.588890][ T3767] ipv6_add_addr+0x411/0x2000 [ 4974.588890][ T3767] inet6_addr_add+0x30e/0xa40 [ 4974.588890][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4974.588890][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.588890][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.588890][ T3767] netlink_unicast+0x449/0x710 [ 4974.588890][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.588890][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.588890][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.588890][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.588890][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.588890][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4974.588890][ T3767] [ 4974.591079][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4974.591079][ T3767] netdev_get_by_index+0x5e/0x80 [ 4974.591079][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4974.591079][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4974.591079][ T3767] ip6_route_add+0x1c/0x140 [ 4974.591079][ T3767] addrconf_add_mroute+0x129/0x180 [ 4974.591079][ T3767] addrconf_add_dev+0xe2/0x170 [ 4974.591079][ T3767] inet6_addr_add+0x12f/0xa40 [ 4974.591079][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4974.591079][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.591079][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.591079][ T3767] netlink_unicast+0x449/0x710 [ 4974.591079][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.591079][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.591079][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.591079][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.591079][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.591079][ T3767] [ 4974.593252][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4974.593252][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4974.593252][ T3767] ipv6_find_idev+0x102/0x170 [ 4974.593252][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4974.593252][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.593252][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.593252][ T3767] netlink_unicast+0x449/0x710 [ 4974.593252][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.593252][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.593252][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.593252][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.593252][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.593252][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4974.593252][ T3767] [ 4974.594930][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4974.594930][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4974.594930][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4974.594930][ T3767] ipv6_find_idev+0x102/0x170 [ 4974.594930][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4974.594930][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4974.594930][ T3767] netlink_rcv_skb+0x130/0x360 [ 4974.594930][ T3767] netlink_unicast+0x449/0x710 [ 4974.594930][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4974.594930][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4974.594930][ T3767] ___sys_sendmsg+0xee/0x170 [ 4974.594930][ T3767] __sys_sendmsg+0xcd/0x170 [ 4974.594930][ T3767] do_syscall_64+0xc6/0x1e0 [ 4974.594930][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4974.594930][ T3767] [ 4984.847953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4984.848447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4984.848447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4984.848447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4984.848447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4984.848447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4984.848447][ T3767] ip6_route_add+0x1c/0x140 [ 4984.848447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4984.848447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.848447][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.848447][ T3767] netlink_unicast+0x449/0x710 [ 4984.848447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.848447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.848447][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.848447][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.848447][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.848447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.848447][ T3767] [ 4984.850527][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4984.850527][ T3767] netdev_get_by_index+0x5e/0x80 [ 4984.850527][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4984.850527][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4984.850527][ T3767] ip6_route_add+0x1c/0x140 [ 4984.850527][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4984.850527][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4984.850527][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.850527][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.850527][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.850527][ T3767] netlink_unicast+0x449/0x710 [ 4984.850527][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.850527][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.850527][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.850527][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.850527][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.850527][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.850527][ T3767] [ 4984.852719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4984.852719][ T3767] netdev_get_by_index+0x5e/0x80 [ 4984.852719][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4984.852719][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4984.852719][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4984.852719][ T3767] ipv6_add_addr+0x411/0x2000 [ 4984.852719][ T3767] inet6_addr_add+0x30e/0xa40 [ 4984.852719][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.852719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.852719][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.852719][ T3767] netlink_unicast+0x449/0x710 [ 4984.852719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.852719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.852719][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.852719][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.852719][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.852719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.852719][ T3767] [ 4984.854911][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4984.854911][ T3767] netdev_get_by_index+0x5e/0x80 [ 4984.854911][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4984.854911][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4984.854911][ T3767] ip6_route_add+0x1c/0x140 [ 4984.854911][ T3767] addrconf_add_mroute+0x129/0x180 [ 4984.854911][ T3767] addrconf_add_dev+0xe2/0x170 [ 4984.854911][ T3767] inet6_addr_add+0x12f/0xa40 [ 4984.854911][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4984.854911][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.854911][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.854911][ T3767] netlink_unicast+0x449/0x710 [ 4984.854911][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.854911][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.854911][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.854911][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.854911][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.854911][ T3767] [ 4984.857058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4984.857058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4984.857058][ T3767] ipv6_find_idev+0x102/0x170 [ 4984.857058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4984.857058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.857058][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.857058][ T3767] netlink_unicast+0x449/0x710 [ 4984.857058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.857058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.857058][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.857058][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.857058][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.857058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.857058][ T3767] [ 4984.858729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4984.858729][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4984.858729][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4984.858729][ T3767] ipv6_find_idev+0x102/0x170 [ 4984.858729][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4984.858729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4984.858729][ T3767] netlink_rcv_skb+0x130/0x360 [ 4984.858729][ T3767] netlink_unicast+0x449/0x710 [ 4984.858729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4984.858729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4984.858729][ T3767] ___sys_sendmsg+0xee/0x170 [ 4984.858729][ T3767] __sys_sendmsg+0xcd/0x170 [ 4984.858729][ T3767] do_syscall_64+0xc6/0x1e0 [ 4984.858729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4984.858729][ T3767] [ 4995.007959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4995.008432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 4995.008432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 4995.008432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 4995.008432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 4995.008432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4995.008432][ T3767] ip6_route_add+0x1c/0x140 [ 4995.008432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 4995.008432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.008432][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.008432][ T3767] netlink_unicast+0x449/0x710 [ 4995.008432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.008432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.008432][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.008432][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.008432][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.008432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4995.008432][ T3767] [ 4995.010513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4995.010513][ T3767] netdev_get_by_index+0x5e/0x80 [ 4995.010513][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4995.010513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4995.010513][ T3767] ip6_route_add+0x1c/0x140 [ 4995.010513][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 4995.010513][ T3767] inet6_addr_add+0x4f8/0xa40 [ 4995.010513][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4995.010513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.010513][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.010513][ T3767] netlink_unicast+0x449/0x710 [ 4995.010513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.010513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.010513][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.010513][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.010513][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.010513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4995.010513][ T3767] [ 4995.012697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4995.012697][ T3767] netdev_get_by_index+0x5e/0x80 [ 4995.012697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4995.012697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4995.012697][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 4995.012697][ T3767] ipv6_add_addr+0x411/0x2000 [ 4995.012697][ T3767] inet6_addr_add+0x30e/0xa40 [ 4995.012697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4995.012697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.012697][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.012697][ T3767] netlink_unicast+0x449/0x710 [ 4995.012697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.012697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.012697][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.012697][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.012697][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.012697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4995.012697][ T3767] [ 4995.014888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4995.014888][ T3767] netdev_get_by_index+0x5e/0x80 [ 4995.014888][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 4995.014888][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 4995.014888][ T3767] ip6_route_add+0x1c/0x140 [ 4995.014888][ T3767] addrconf_add_mroute+0x129/0x180 [ 4995.014888][ T3767] addrconf_add_dev+0xe2/0x170 [ 4995.014888][ T3767] inet6_addr_add+0x12f/0xa40 [ 4995.014888][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 4995.014888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.014888][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.014888][ T3767] netlink_unicast+0x449/0x710 [ 4995.014888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.014888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.014888][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.014888][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.014888][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.014888][ T3767] [ 4995.017041][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4995.017041][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 4995.017041][ T3767] ipv6_find_idev+0x102/0x170 [ 4995.017041][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4995.017041][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.017041][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.017041][ T3767] netlink_unicast+0x449/0x710 [ 4995.017041][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.017041][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.017041][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.017041][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.017041][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.017041][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4995.017041][ T3767] [ 4995.018726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 4995.018726][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 4995.018726][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 4995.018726][ T3767] ipv6_find_idev+0x102/0x170 [ 4995.018726][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 4995.018726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4995.018726][ T3767] netlink_rcv_skb+0x130/0x360 [ 4995.018726][ T3767] netlink_unicast+0x449/0x710 [ 4995.018726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 4995.018726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 4995.018726][ T3767] ___sys_sendmsg+0xee/0x170 [ 4995.018726][ T3767] __sys_sendmsg+0xcd/0x170 [ 4995.018726][ T3767] do_syscall_64+0xc6/0x1e0 [ 4995.018726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4995.018726][ T3767] [ 5005.255944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5005.256416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5005.256416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5005.256416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5005.256416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5005.256416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5005.256416][ T3767] ip6_route_add+0x1c/0x140 [ 5005.256416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5005.256416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.256416][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.256416][ T3767] netlink_unicast+0x449/0x710 [ 5005.256416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.256416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.256416][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.256416][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.256416][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.256416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5005.256416][ T3767] [ 5005.258508][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5005.258508][ T3767] netdev_get_by_index+0x5e/0x80 [ 5005.258508][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5005.258508][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5005.258508][ T3767] ip6_route_add+0x1c/0x140 [ 5005.258508][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5005.258508][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5005.258508][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5005.258508][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.258508][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.258508][ T3767] netlink_unicast+0x449/0x710 [ 5005.258508][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.258508][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.258508][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.258508][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.258508][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.258508][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5005.258508][ T3767] [ 5005.260698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5005.260698][ T3767] netdev_get_by_index+0x5e/0x80 [ 5005.260698][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5005.260698][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5005.260698][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5005.260698][ T3767] ipv6_add_addr+0x411/0x2000 [ 5005.260698][ T3767] inet6_addr_add+0x30e/0xa40 [ 5005.260698][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5005.260698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.260698][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.260698][ T3767] netlink_unicast+0x449/0x710 [ 5005.260698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.260698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.260698][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.260698][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.260698][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.260698][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5005.260698][ T3767] [ 5005.262888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5005.262888][ T3767] netdev_get_by_index+0x5e/0x80 [ 5005.262888][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5005.262888][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5005.262888][ T3767] ip6_route_add+0x1c/0x140 [ 5005.262888][ T3767] addrconf_add_mroute+0x129/0x180 [ 5005.262888][ T3767] addrconf_add_dev+0xe2/0x170 [ 5005.262888][ T3767] inet6_addr_add+0x12f/0xa40 [ 5005.262888][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5005.262888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.262888][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.262888][ T3767] netlink_unicast+0x449/0x710 [ 5005.262888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.262888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.262888][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.262888][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.262888][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.262888][ T3767] [ 5005.265041][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5005.265041][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5005.265041][ T3767] ipv6_find_idev+0x102/0x170 [ 5005.265041][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5005.265041][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.265041][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.265041][ T3767] netlink_unicast+0x449/0x710 [ 5005.265041][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.265041][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.265041][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.265041][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.265041][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.265041][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5005.265041][ T3767] [ 5005.266728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5005.266728][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5005.266728][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5005.266728][ T3767] ipv6_find_idev+0x102/0x170 [ 5005.266728][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5005.266728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5005.266728][ T3767] netlink_rcv_skb+0x130/0x360 [ 5005.266728][ T3767] netlink_unicast+0x449/0x710 [ 5005.266728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5005.266728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5005.266728][ T3767] ___sys_sendmsg+0xee/0x170 [ 5005.266728][ T3767] __sys_sendmsg+0xcd/0x170 [ 5005.266728][ T3767] do_syscall_64+0xc6/0x1e0 [ 5005.266728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5005.266728][ T3767] [ 5015.503918][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5015.504411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5015.504411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5015.504411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5015.504411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5015.504411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5015.504411][ T3767] ip6_route_add+0x1c/0x140 [ 5015.504411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5015.504411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.504411][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.504411][ T3767] netlink_unicast+0x449/0x710 [ 5015.504411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.504411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.504411][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.504411][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.504411][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.504411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5015.504411][ T3767] [ 5015.506493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5015.506493][ T3767] netdev_get_by_index+0x5e/0x80 [ 5015.506493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5015.506493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5015.506493][ T3767] ip6_route_add+0x1c/0x140 [ 5015.506493][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5015.506493][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5015.506493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5015.506493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.506493][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.506493][ T3767] netlink_unicast+0x449/0x710 [ 5015.506493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.506493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.506493][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.506493][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.506493][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.506493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5015.506493][ T3767] [ 5015.509158][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5015.509158][ T3767] netdev_get_by_index+0x5e/0x80 [ 5015.509158][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5015.509158][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5015.509158][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5015.509158][ T3767] ipv6_add_addr+0x411/0x2000 [ 5015.509158][ T3767] inet6_addr_add+0x30e/0xa40 [ 5015.509158][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5015.509158][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.509158][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.509158][ T3767] netlink_unicast+0x449/0x710 [ 5015.509158][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.509158][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.509158][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.509158][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.509158][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.509158][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5015.509158][ T3767] [ 5015.511335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5015.511335][ T3767] netdev_get_by_index+0x5e/0x80 [ 5015.511335][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5015.511335][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5015.511335][ T3767] ip6_route_add+0x1c/0x140 [ 5015.511335][ T3767] addrconf_add_mroute+0x129/0x180 [ 5015.511335][ T3767] addrconf_add_dev+0xe2/0x170 [ 5015.511335][ T3767] inet6_addr_add+0x12f/0xa40 [ 5015.511335][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5015.511335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.511335][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.511335][ T3767] netlink_unicast+0x449/0x710 [ 5015.511335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.511335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.511335][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.511335][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.511335][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.511335][ T3767] [ 5015.513502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5015.513502][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5015.513502][ T3767] ipv6_find_idev+0x102/0x170 [ 5015.513502][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5015.513502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.513502][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.513502][ T3767] netlink_unicast+0x449/0x710 [ 5015.513502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.513502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.513502][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.513502][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.513502][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.513502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5015.513502][ T3767] [ 5015.515178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5015.515178][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5015.515178][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5015.515178][ T3767] ipv6_find_idev+0x102/0x170 [ 5015.515178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5015.515178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5015.515178][ T3767] netlink_rcv_skb+0x130/0x360 [ 5015.515178][ T3767] netlink_unicast+0x449/0x710 [ 5015.515178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5015.515178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5015.515178][ T3767] ___sys_sendmsg+0xee/0x170 [ 5015.515178][ T3767] __sys_sendmsg+0xcd/0x170 [ 5015.515178][ T3767] do_syscall_64+0xc6/0x1e0 [ 5015.515178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5015.515178][ T3767] [ 5025.760009][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5025.760474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5025.760474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5025.760474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5025.760474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5025.760474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5025.760474][ T3767] ip6_route_add+0x1c/0x140 [ 5025.760474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5025.760474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.760474][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.760474][ T3767] netlink_unicast+0x449/0x710 [ 5025.760474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.760474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.760474][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.760474][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.760474][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.760474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5025.760474][ T3767] [ 5025.762546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5025.762546][ T3767] netdev_get_by_index+0x5e/0x80 [ 5025.762546][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5025.762546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5025.762546][ T3767] ip6_route_add+0x1c/0x140 [ 5025.762546][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5025.762546][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5025.762546][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5025.762546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.762546][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.762546][ T3767] netlink_unicast+0x449/0x710 [ 5025.762546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.762546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.762546][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.762546][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.762546][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.762546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5025.762546][ T3767] [ 5025.764756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5025.764756][ T3767] netdev_get_by_index+0x5e/0x80 [ 5025.764756][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5025.764756][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5025.764756][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5025.764756][ T3767] ipv6_add_addr+0x411/0x2000 [ 5025.764756][ T3767] inet6_addr_add+0x30e/0xa40 [ 5025.764756][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5025.764756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.764756][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.764756][ T3767] netlink_unicast+0x449/0x710 [ 5025.764756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.764756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.764756][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.764756][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.764756][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.764756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5025.764756][ T3767] [ 5025.766937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5025.766937][ T3767] netdev_get_by_index+0x5e/0x80 [ 5025.766937][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5025.766937][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5025.766937][ T3767] ip6_route_add+0x1c/0x140 [ 5025.766937][ T3767] addrconf_add_mroute+0x129/0x180 [ 5025.766937][ T3767] addrconf_add_dev+0xe2/0x170 [ 5025.766937][ T3767] inet6_addr_add+0x12f/0xa40 [ 5025.766937][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5025.766937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.766937][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.766937][ T3767] netlink_unicast+0x449/0x710 [ 5025.766937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.766937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.766937][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.766937][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.766937][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.766937][ T3767] [ 5025.769089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5025.769089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5025.769089][ T3767] ipv6_find_idev+0x102/0x170 [ 5025.769089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5025.769089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.769089][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.769089][ T3767] netlink_unicast+0x449/0x710 [ 5025.769089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.769089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.769089][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.769089][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.769089][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.769089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5025.769089][ T3767] [ 5025.770771][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5025.770771][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5025.770771][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5025.770771][ T3767] ipv6_find_idev+0x102/0x170 [ 5025.770771][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5025.770771][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5025.770771][ T3767] netlink_rcv_skb+0x130/0x360 [ 5025.770771][ T3767] netlink_unicast+0x449/0x710 [ 5025.770771][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5025.770771][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5025.770771][ T3767] ___sys_sendmsg+0xee/0x170 [ 5025.770771][ T3767] __sys_sendmsg+0xcd/0x170 [ 5025.770771][ T3767] do_syscall_64+0xc6/0x1e0 [ 5025.770771][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5025.770771][ T3767] [ 5036.007881][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5036.008350][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5036.008350][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5036.008350][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5036.008350][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5036.008350][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5036.008350][ T3767] ip6_route_add+0x1c/0x140 [ 5036.008350][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5036.008350][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.008350][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.008350][ T3767] netlink_unicast+0x449/0x710 [ 5036.008350][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.008350][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.008350][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.008350][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.008350][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.008350][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5036.008350][ T3767] [ 5036.010424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5036.010424][ T3767] netdev_get_by_index+0x5e/0x80 [ 5036.010424][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5036.010424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5036.010424][ T3767] ip6_route_add+0x1c/0x140 [ 5036.010424][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5036.010424][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5036.010424][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5036.010424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.010424][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.010424][ T3767] netlink_unicast+0x449/0x710 [ 5036.010424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.010424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.010424][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.010424][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.010424][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.010424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5036.010424][ T3767] [ 5036.012609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5036.012609][ T3767] netdev_get_by_index+0x5e/0x80 [ 5036.012609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5036.012609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5036.012609][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5036.012609][ T3767] ipv6_add_addr+0x411/0x2000 [ 5036.012609][ T3767] inet6_addr_add+0x30e/0xa40 [ 5036.012609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5036.012609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.012609][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.012609][ T3767] netlink_unicast+0x449/0x710 [ 5036.012609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.012609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.012609][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.012609][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.012609][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.012609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5036.012609][ T3767] [ 5036.014795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5036.014795][ T3767] netdev_get_by_index+0x5e/0x80 [ 5036.014795][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5036.014795][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5036.014795][ T3767] ip6_route_add+0x1c/0x140 [ 5036.014795][ T3767] addrconf_add_mroute+0x129/0x180 [ 5036.014795][ T3767] addrconf_add_dev+0xe2/0x170 [ 5036.014795][ T3767] inet6_addr_add+0x12f/0xa40 [ 5036.014795][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5036.014795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.014795][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.014795][ T3767] netlink_unicast+0x449/0x710 [ 5036.014795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.014795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.014795][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.014795][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.014795][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.014795][ T3767] [ 5036.016934][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5036.016934][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5036.016934][ T3767] ipv6_find_idev+0x102/0x170 [ 5036.016934][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5036.016934][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.016934][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.016934][ T3767] netlink_unicast+0x449/0x710 [ 5036.016934][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.016934][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.016934][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.016934][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.016934][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.016934][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5036.016934][ T3767] [ 5036.018608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5036.018608][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5036.018608][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5036.018608][ T3767] ipv6_find_idev+0x102/0x170 [ 5036.018608][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5036.018608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5036.018608][ T3767] netlink_rcv_skb+0x130/0x360 [ 5036.018608][ T3767] netlink_unicast+0x449/0x710 [ 5036.018608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5036.018608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5036.018608][ T3767] ___sys_sendmsg+0xee/0x170 [ 5036.018608][ T3767] __sys_sendmsg+0xcd/0x170 [ 5036.018608][ T3767] do_syscall_64+0xc6/0x1e0 [ 5036.018608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5036.018608][ T3767] [ 5046.256056][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5046.256530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5046.256530][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5046.256530][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5046.256530][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5046.256530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5046.256530][ T3767] ip6_route_add+0x1c/0x140 [ 5046.256530][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5046.256530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.256530][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.256530][ T3767] netlink_unicast+0x449/0x710 [ 5046.256530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.256530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.256530][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.256530][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.256530][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.256530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5046.256530][ T3767] [ 5046.258606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5046.258606][ T3767] netdev_get_by_index+0x5e/0x80 [ 5046.258606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5046.258606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5046.258606][ T3767] ip6_route_add+0x1c/0x140 [ 5046.258606][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5046.258606][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5046.258606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5046.258606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.258606][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.258606][ T3767] netlink_unicast+0x449/0x710 [ 5046.258606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.258606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.258606][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.258606][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.258606][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.258606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5046.258606][ T3767] [ 5046.260846][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5046.260846][ T3767] netdev_get_by_index+0x5e/0x80 [ 5046.260846][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5046.260846][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5046.260846][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5046.260846][ T3767] ipv6_add_addr+0x411/0x2000 [ 5046.260846][ T3767] inet6_addr_add+0x30e/0xa40 [ 5046.260846][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5046.260846][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.260846][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.260846][ T3767] netlink_unicast+0x449/0x710 [ 5046.260846][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.260846][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.260846][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.260846][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.260846][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.260846][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5046.260846][ T3767] [ 5046.263050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5046.263050][ T3767] netdev_get_by_index+0x5e/0x80 [ 5046.263050][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5046.263050][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5046.263050][ T3767] ip6_route_add+0x1c/0x140 [ 5046.263050][ T3767] addrconf_add_mroute+0x129/0x180 [ 5046.263050][ T3767] addrconf_add_dev+0xe2/0x170 [ 5046.263050][ T3767] inet6_addr_add+0x12f/0xa40 [ 5046.263050][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5046.263050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.263050][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.263050][ T3767] netlink_unicast+0x449/0x710 [ 5046.263050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.263050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.263050][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.263050][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.263050][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.263050][ T3767] [ 5046.265199][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5046.265199][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5046.265199][ T3767] ipv6_find_idev+0x102/0x170 [ 5046.265199][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5046.265199][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.265199][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.265199][ T3767] netlink_unicast+0x449/0x710 [ 5046.265199][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.265199][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.265199][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.265199][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.265199][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.265199][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5046.265199][ T3767] [ 5046.266878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5046.266878][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5046.266878][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5046.266878][ T3767] ipv6_find_idev+0x102/0x170 [ 5046.266878][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5046.266878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5046.266878][ T3767] netlink_rcv_skb+0x130/0x360 [ 5046.266878][ T3767] netlink_unicast+0x449/0x710 [ 5046.266878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5046.266878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5046.266878][ T3767] ___sys_sendmsg+0xee/0x170 [ 5046.266878][ T3767] __sys_sendmsg+0xcd/0x170 [ 5046.266878][ T3767] do_syscall_64+0xc6/0x1e0 [ 5046.266878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5046.266878][ T3767] [ 5056.503873][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5056.504364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5056.504364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5056.504364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5056.504364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5056.504364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5056.504364][ T3767] ip6_route_add+0x1c/0x140 [ 5056.504364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5056.504364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.504364][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.504364][ T3767] netlink_unicast+0x449/0x710 [ 5056.504364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.504364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.504364][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.504364][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.504364][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.504364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5056.504364][ T3767] [ 5056.506446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5056.506446][ T3767] netdev_get_by_index+0x5e/0x80 [ 5056.506446][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5056.506446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5056.506446][ T3767] ip6_route_add+0x1c/0x140 [ 5056.506446][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5056.506446][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5056.506446][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5056.506446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.506446][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.506446][ T3767] netlink_unicast+0x449/0x710 [ 5056.506446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.506446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.506446][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.506446][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.506446][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.506446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5056.506446][ T3767] [ 5056.508628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5056.508628][ T3767] netdev_get_by_index+0x5e/0x80 [ 5056.508628][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5056.508628][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5056.508628][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5056.508628][ T3767] ipv6_add_addr+0x411/0x2000 [ 5056.508628][ T3767] inet6_addr_add+0x30e/0xa40 [ 5056.508628][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5056.508628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.508628][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.508628][ T3767] netlink_unicast+0x449/0x710 [ 5056.508628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.508628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.508628][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.508628][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.508628][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.508628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5056.508628][ T3767] [ 5056.510810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5056.510810][ T3767] netdev_get_by_index+0x5e/0x80 [ 5056.510810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5056.510810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5056.510810][ T3767] ip6_route_add+0x1c/0x140 [ 5056.510810][ T3767] addrconf_add_mroute+0x129/0x180 [ 5056.510810][ T3767] addrconf_add_dev+0xe2/0x170 [ 5056.510810][ T3767] inet6_addr_add+0x12f/0xa40 [ 5056.510810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5056.510810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.510810][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.510810][ T3767] netlink_unicast+0x449/0x710 [ 5056.510810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.510810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.510810][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.510810][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.510810][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.510810][ T3767] [ 5056.512968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5056.512968][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5056.512968][ T3767] ipv6_find_idev+0x102/0x170 [ 5056.512968][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5056.512968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.512968][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.512968][ T3767] netlink_unicast+0x449/0x710 [ 5056.512968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.512968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.512968][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.512968][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.512968][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.512968][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5056.512968][ T3767] [ 5056.514646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5056.514646][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5056.514646][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5056.514646][ T3767] ipv6_find_idev+0x102/0x170 [ 5056.514646][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5056.514646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5056.514646][ T3767] netlink_rcv_skb+0x130/0x360 [ 5056.514646][ T3767] netlink_unicast+0x449/0x710 [ 5056.514646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5056.514646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5056.514646][ T3767] ___sys_sendmsg+0xee/0x170 [ 5056.514646][ T3767] __sys_sendmsg+0xcd/0x170 [ 5056.514646][ T3767] do_syscall_64+0xc6/0x1e0 [ 5056.514646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5056.514646][ T3767] [ 5066.751934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5066.752396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5066.752396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5066.752396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5066.752396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5066.752396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5066.752396][ T3767] ip6_route_add+0x1c/0x140 [ 5066.752396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5066.752396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.752396][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.752396][ T3767] netlink_unicast+0x449/0x710 [ 5066.752396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.752396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.752396][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.752396][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.752396][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.752396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5066.752396][ T3767] [ 5066.754592][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5066.754592][ T3767] netdev_get_by_index+0x5e/0x80 [ 5066.754592][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5066.754592][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5066.754592][ T3767] ip6_route_add+0x1c/0x140 [ 5066.754592][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5066.754592][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5066.754592][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5066.754592][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.754592][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.754592][ T3767] netlink_unicast+0x449/0x710 [ 5066.754592][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.754592][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.754592][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.754592][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.754592][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.754592][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5066.754592][ T3767] [ 5066.756768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5066.756768][ T3767] netdev_get_by_index+0x5e/0x80 [ 5066.756768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5066.756768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5066.756768][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5066.756768][ T3767] ipv6_add_addr+0x411/0x2000 [ 5066.756768][ T3767] inet6_addr_add+0x30e/0xa40 [ 5066.756768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5066.756768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.756768][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.756768][ T3767] netlink_unicast+0x449/0x710 [ 5066.756768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.756768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.756768][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.756768][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.756768][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.756768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5066.756768][ T3767] [ 5066.758956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5066.758956][ T3767] netdev_get_by_index+0x5e/0x80 [ 5066.758956][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5066.758956][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5066.758956][ T3767] ip6_route_add+0x1c/0x140 [ 5066.758956][ T3767] addrconf_add_mroute+0x129/0x180 [ 5066.758956][ T3767] addrconf_add_dev+0xe2/0x170 [ 5066.758956][ T3767] inet6_addr_add+0x12f/0xa40 [ 5066.758956][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5066.758956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.758956][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.758956][ T3767] netlink_unicast+0x449/0x710 [ 5066.758956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.758956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.758956][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.758956][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.758956][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.758956][ T3767] [ 5066.761107][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5066.761107][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5066.761107][ T3767] ipv6_find_idev+0x102/0x170 [ 5066.761107][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5066.761107][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.761107][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.761107][ T3767] netlink_unicast+0x449/0x710 [ 5066.761107][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.761107][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.761107][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.761107][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.761107][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.761107][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5066.761107][ T3767] [ 5066.762786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5066.762786][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5066.762786][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5066.762786][ T3767] ipv6_find_idev+0x102/0x170 [ 5066.762786][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5066.762786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5066.762786][ T3767] netlink_rcv_skb+0x130/0x360 [ 5066.762786][ T3767] netlink_unicast+0x449/0x710 [ 5066.762786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5066.762786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5066.762786][ T3767] ___sys_sendmsg+0xee/0x170 [ 5066.762786][ T3767] __sys_sendmsg+0xcd/0x170 [ 5066.762786][ T3767] do_syscall_64+0xc6/0x1e0 [ 5066.762786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5066.762786][ T3767] [ 5076.999962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5077.000421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5077.000421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5077.000421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5077.000421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5077.000421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5077.000421][ T3767] ip6_route_add+0x1c/0x140 [ 5077.000421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5077.000421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.000421][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.000421][ T3767] netlink_unicast+0x449/0x710 [ 5077.000421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.000421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.000421][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.000421][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.000421][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.000421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5077.000421][ T3767] [ 5077.002495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5077.002495][ T3767] netdev_get_by_index+0x5e/0x80 [ 5077.002495][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5077.002495][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5077.002495][ T3767] ip6_route_add+0x1c/0x140 [ 5077.002495][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5077.002495][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5077.002495][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5077.002495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.002495][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.002495][ T3767] netlink_unicast+0x449/0x710 [ 5077.002495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.002495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.002495][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.002495][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.002495][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.002495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5077.002495][ T3767] [ 5077.004695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5077.004695][ T3767] netdev_get_by_index+0x5e/0x80 [ 5077.004695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5077.004695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5077.004695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5077.004695][ T3767] ipv6_add_addr+0x411/0x2000 [ 5077.004695][ T3767] inet6_addr_add+0x30e/0xa40 [ 5077.004695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5077.004695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.004695][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.004695][ T3767] netlink_unicast+0x449/0x710 [ 5077.004695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.004695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.004695][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.004695][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.004695][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.004695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5077.004695][ T3767] [ 5077.006914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5077.006914][ T3767] netdev_get_by_index+0x5e/0x80 [ 5077.006914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5077.006914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5077.006914][ T3767] ip6_route_add+0x1c/0x140 [ 5077.006914][ T3767] addrconf_add_mroute+0x129/0x180 [ 5077.006914][ T3767] addrconf_add_dev+0xe2/0x170 [ 5077.006914][ T3767] inet6_addr_add+0x12f/0xa40 [ 5077.006914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5077.006914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.006914][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.006914][ T3767] netlink_unicast+0x449/0x710 [ 5077.006914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.006914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.006914][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.006914][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.006914][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.006914][ T3767] [ 5077.009055][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5077.009055][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5077.009055][ T3767] ipv6_find_idev+0x102/0x170 [ 5077.009055][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5077.009055][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.009055][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.009055][ T3767] netlink_unicast+0x449/0x710 [ 5077.009055][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.009055][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.009055][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.009055][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.009055][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.009055][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5077.009055][ T3767] [ 5077.010731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5077.010731][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5077.010731][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5077.010731][ T3767] ipv6_find_idev+0x102/0x170 [ 5077.010731][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5077.010731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5077.010731][ T3767] netlink_rcv_skb+0x130/0x360 [ 5077.010731][ T3767] netlink_unicast+0x449/0x710 [ 5077.010731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5077.010731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5077.010731][ T3767] ___sys_sendmsg+0xee/0x170 [ 5077.010731][ T3767] __sys_sendmsg+0xcd/0x170 [ 5077.010731][ T3767] do_syscall_64+0xc6/0x1e0 [ 5077.010731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5077.010731][ T3767] [ 5087.215955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5087.216420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5087.216420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5087.216420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5087.216420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5087.216420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5087.216420][ T3767] ip6_route_add+0x1c/0x140 [ 5087.216420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5087.216420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.216420][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.216420][ T3767] netlink_unicast+0x449/0x710 [ 5087.216420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.216420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.216420][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.216420][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.216420][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.216420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5087.216420][ T3767] [ 5087.218531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5087.218531][ T3767] netdev_get_by_index+0x5e/0x80 [ 5087.218531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5087.218531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5087.218531][ T3767] ip6_route_add+0x1c/0x140 [ 5087.218531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5087.218531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5087.218531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5087.218531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.218531][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.218531][ T3767] netlink_unicast+0x449/0x710 [ 5087.218531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.218531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.218531][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.218531][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.218531][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.218531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5087.218531][ T3767] [ 5087.220724][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5087.220724][ T3767] netdev_get_by_index+0x5e/0x80 [ 5087.220724][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5087.220724][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5087.220724][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5087.220724][ T3767] ipv6_add_addr+0x411/0x2000 [ 5087.220724][ T3767] inet6_addr_add+0x30e/0xa40 [ 5087.220724][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5087.220724][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.220724][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.220724][ T3767] netlink_unicast+0x449/0x710 [ 5087.220724][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.220724][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.220724][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.220724][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.220724][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.220724][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5087.220724][ T3767] [ 5087.222916][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5087.222916][ T3767] netdev_get_by_index+0x5e/0x80 [ 5087.222916][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5087.222916][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5087.222916][ T3767] ip6_route_add+0x1c/0x140 [ 5087.222916][ T3767] addrconf_add_mroute+0x129/0x180 [ 5087.222916][ T3767] addrconf_add_dev+0xe2/0x170 [ 5087.222916][ T3767] inet6_addr_add+0x12f/0xa40 [ 5087.222916][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5087.222916][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.222916][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.222916][ T3767] netlink_unicast+0x449/0x710 [ 5087.222916][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.222916][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.222916][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.222916][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.222916][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.222916][ T3767] [ 5087.225062][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5087.225062][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5087.225062][ T3767] ipv6_find_idev+0x102/0x170 [ 5087.225062][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5087.225062][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.225062][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.225062][ T3767] netlink_unicast+0x449/0x710 [ 5087.225062][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.225062][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.225062][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.225062][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.225062][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.225062][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5087.225062][ T3767] [ 5087.226748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5087.226748][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5087.226748][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5087.226748][ T3767] ipv6_find_idev+0x102/0x170 [ 5087.226748][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5087.226748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5087.226748][ T3767] netlink_rcv_skb+0x130/0x360 [ 5087.226748][ T3767] netlink_unicast+0x449/0x710 [ 5087.226748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5087.226748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5087.226748][ T3767] ___sys_sendmsg+0xee/0x170 [ 5087.226748][ T3767] __sys_sendmsg+0xcd/0x170 [ 5087.226748][ T3767] do_syscall_64+0xc6/0x1e0 [ 5087.226748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5087.226748][ T3767] [ 5097.247978][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5097.248448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5097.248448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5097.248448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5097.248448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5097.248448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5097.248448][ T3767] ip6_route_add+0x1c/0x140 [ 5097.248448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5097.248448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.248448][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.248448][ T3767] netlink_unicast+0x449/0x710 [ 5097.248448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.248448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.248448][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.248448][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.248448][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.248448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5097.248448][ T3767] [ 5097.250522][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5097.250522][ T3767] netdev_get_by_index+0x5e/0x80 [ 5097.250522][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5097.250522][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5097.250522][ T3767] ip6_route_add+0x1c/0x140 [ 5097.250522][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5097.250522][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5097.250522][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5097.250522][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.250522][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.250522][ T3767] netlink_unicast+0x449/0x710 [ 5097.250522][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.250522][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.250522][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.250522][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.250522][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.250522][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5097.250522][ T3767] [ 5097.252731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5097.252731][ T3767] netdev_get_by_index+0x5e/0x80 [ 5097.252731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5097.252731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5097.252731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5097.252731][ T3767] ipv6_add_addr+0x411/0x2000 [ 5097.252731][ T3767] inet6_addr_add+0x30e/0xa40 [ 5097.252731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5097.252731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.252731][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.252731][ T3767] netlink_unicast+0x449/0x710 [ 5097.252731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.252731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.252731][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.252731][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.252731][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.252731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5097.252731][ T3767] [ 5097.254914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5097.254914][ T3767] netdev_get_by_index+0x5e/0x80 [ 5097.254914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5097.254914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5097.254914][ T3767] ip6_route_add+0x1c/0x140 [ 5097.254914][ T3767] addrconf_add_mroute+0x129/0x180 [ 5097.254914][ T3767] addrconf_add_dev+0xe2/0x170 [ 5097.254914][ T3767] inet6_addr_add+0x12f/0xa40 [ 5097.254914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5097.254914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.254914][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.254914][ T3767] netlink_unicast+0x449/0x710 [ 5097.254914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.254914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.254914][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.254914][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.254914][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.254914][ T3767] [ 5097.257067][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5097.257067][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5097.257067][ T3767] ipv6_find_idev+0x102/0x170 [ 5097.257067][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5097.257067][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.257067][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.257067][ T3767] netlink_unicast+0x449/0x710 [ 5097.257067][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.257067][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.257067][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.257067][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.257067][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.257067][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5097.257067][ T3767] [ 5097.258758][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5097.258758][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5097.258758][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5097.258758][ T3767] ipv6_find_idev+0x102/0x170 [ 5097.258758][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5097.258758][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5097.258758][ T3767] netlink_rcv_skb+0x130/0x360 [ 5097.258758][ T3767] netlink_unicast+0x449/0x710 [ 5097.258758][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5097.258758][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5097.258758][ T3767] ___sys_sendmsg+0xee/0x170 [ 5097.258758][ T3767] __sys_sendmsg+0xcd/0x170 [ 5097.258758][ T3767] do_syscall_64+0xc6/0x1e0 [ 5097.258758][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5097.258758][ T3767] [ 5107.511869][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5107.512388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5107.512388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5107.512388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5107.512388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5107.512388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5107.512388][ T3767] ip6_route_add+0x1c/0x140 [ 5107.512388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5107.512388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.512388][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.512388][ T3767] netlink_unicast+0x449/0x710 [ 5107.512388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.512388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.512388][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.512388][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.512388][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.512388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5107.512388][ T3767] [ 5107.514780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5107.514780][ T3767] netdev_get_by_index+0x5e/0x80 [ 5107.514780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5107.514780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5107.514780][ T3767] ip6_route_add+0x1c/0x140 [ 5107.514780][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5107.514780][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5107.514780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5107.514780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.514780][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.514780][ T3767] netlink_unicast+0x449/0x710 [ 5107.514780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.514780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.514780][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.514780][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.514780][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.514780][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5107.514780][ T3767] [ 5107.517266][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5107.517266][ T3767] netdev_get_by_index+0x5e/0x80 [ 5107.517266][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5107.517266][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5107.517266][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5107.517266][ T3767] ipv6_add_addr+0x411/0x2000 [ 5107.517266][ T3767] inet6_addr_add+0x30e/0xa40 [ 5107.517266][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5107.517266][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.517266][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.517266][ T3767] netlink_unicast+0x449/0x710 [ 5107.517266][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.517266][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.517266][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.517266][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.517266][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.517266][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5107.517266][ T3767] [ 5107.519736][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5107.519736][ T3767] netdev_get_by_index+0x5e/0x80 [ 5107.519736][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5107.519736][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5107.519736][ T3767] ip6_route_add+0x1c/0x140 [ 5107.519736][ T3767] addrconf_add_mroute+0x129/0x180 [ 5107.519736][ T3767] addrconf_add_dev+0xe2/0x170 [ 5107.519736][ T3767] inet6_addr_add+0x12f/0xa40 [ 5107.519736][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5107.519736][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.519736][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.519736][ T3767] netlink_unicast+0x449/0x710 [ 5107.519736][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.519736][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.519736][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.519736][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.519736][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.519736][ T3767] [ 5107.522150][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5107.522150][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5107.522150][ T3767] ipv6_find_idev+0x102/0x170 [ 5107.522150][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5107.522150][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.522150][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.522150][ T3767] netlink_unicast+0x449/0x710 [ 5107.522150][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.522150][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.522150][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.522150][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.522150][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.522150][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5107.522150][ T3767] [ 5107.524056][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5107.524056][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5107.524056][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5107.524056][ T3767] ipv6_find_idev+0x102/0x170 [ 5107.524056][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5107.524056][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5107.524056][ T3767] netlink_rcv_skb+0x130/0x360 [ 5107.524056][ T3767] netlink_unicast+0x449/0x710 [ 5107.524056][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5107.524056][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5107.524056][ T3767] ___sys_sendmsg+0xee/0x170 [ 5107.524056][ T3767] __sys_sendmsg+0xcd/0x170 [ 5107.524056][ T3767] do_syscall_64+0xc6/0x1e0 [ 5107.524056][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5107.524056][ T3767] [ 5117.767861][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5117.768398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5117.768398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5117.768398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5117.768398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5117.768398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5117.768398][ T3767] ip6_route_add+0x1c/0x140 [ 5117.768398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5117.768398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.768398][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.768398][ T3767] netlink_unicast+0x449/0x710 [ 5117.768398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.768398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.768398][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.768398][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.768398][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.768398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.768398][ T3767] [ 5117.770739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5117.770739][ T3767] netdev_get_by_index+0x5e/0x80 [ 5117.770739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5117.770739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5117.770739][ T3767] ip6_route_add+0x1c/0x140 [ 5117.770739][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5117.770739][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5117.770739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.770739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.770739][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.770739][ T3767] netlink_unicast+0x449/0x710 [ 5117.770739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.770739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.770739][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.770739][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.770739][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.770739][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.770739][ T3767] [ 5117.773219][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5117.773219][ T3767] netdev_get_by_index+0x5e/0x80 [ 5117.773219][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5117.773219][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5117.773219][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5117.773219][ T3767] ipv6_add_addr+0x411/0x2000 [ 5117.773219][ T3767] inet6_addr_add+0x30e/0xa40 [ 5117.773219][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.773219][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.773219][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.773219][ T3767] netlink_unicast+0x449/0x710 [ 5117.773219][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.773219][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.773219][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.773219][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.773219][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.773219][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.773219][ T3767] [ 5117.775683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5117.775683][ T3767] netdev_get_by_index+0x5e/0x80 [ 5117.775683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5117.775683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5117.775683][ T3767] ip6_route_add+0x1c/0x140 [ 5117.775683][ T3767] addrconf_add_mroute+0x129/0x180 [ 5117.775683][ T3767] addrconf_add_dev+0xe2/0x170 [ 5117.775683][ T3767] inet6_addr_add+0x12f/0xa40 [ 5117.775683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5117.775683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.775683][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.775683][ T3767] netlink_unicast+0x449/0x710 [ 5117.775683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.775683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.775683][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.775683][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.775683][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.775683][ T3767] [ 5117.778106][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5117.778106][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5117.778106][ T3767] ipv6_find_idev+0x102/0x170 [ 5117.778106][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5117.778106][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.778106][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.778106][ T3767] netlink_unicast+0x449/0x710 [ 5117.778106][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.778106][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.778106][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.778106][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.778106][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.778106][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.778106][ T3767] [ 5117.779990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5117.779990][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5117.779990][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5117.779990][ T3767] ipv6_find_idev+0x102/0x170 [ 5117.779990][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5117.779990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5117.779990][ T3767] netlink_rcv_skb+0x130/0x360 [ 5117.779990][ T3767] netlink_unicast+0x449/0x710 [ 5117.779990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5117.779990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5117.779990][ T3767] ___sys_sendmsg+0xee/0x170 [ 5117.779990][ T3767] __sys_sendmsg+0xcd/0x170 [ 5117.779990][ T3767] do_syscall_64+0xc6/0x1e0 [ 5117.779990][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5117.779990][ T3767] [ 5128.031947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5128.032492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5128.032492][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5128.032492][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5128.032492][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5128.032492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5128.032492][ T3767] ip6_route_add+0x1c/0x140 [ 5128.032492][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5128.032492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.032492][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.032492][ T3767] netlink_unicast+0x449/0x710 [ 5128.032492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.032492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.032492][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.032492][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.032492][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.032492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5128.032492][ T3767] [ 5128.034811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5128.034811][ T3767] netdev_get_by_index+0x5e/0x80 [ 5128.034811][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5128.034811][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5128.034811][ T3767] ip6_route_add+0x1c/0x140 [ 5128.034811][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5128.034811][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5128.034811][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5128.034811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.034811][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.034811][ T3767] netlink_unicast+0x449/0x710 [ 5128.034811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.034811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.034811][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.034811][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.034811][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.034811][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5128.034811][ T3767] [ 5128.037266][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5128.037266][ T3767] netdev_get_by_index+0x5e/0x80 [ 5128.037266][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5128.037266][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5128.037266][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5128.037266][ T3767] ipv6_add_addr+0x411/0x2000 [ 5128.037266][ T3767] inet6_addr_add+0x30e/0xa40 [ 5128.037266][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5128.037266][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.037266][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.037266][ T3767] netlink_unicast+0x449/0x710 [ 5128.037266][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.037266][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.037266][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.037266][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.037266][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.037266][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5128.037266][ T3767] [ 5128.039702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5128.039702][ T3767] netdev_get_by_index+0x5e/0x80 [ 5128.039702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5128.039702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5128.039702][ T3767] ip6_route_add+0x1c/0x140 [ 5128.039702][ T3767] addrconf_add_mroute+0x129/0x180 [ 5128.039702][ T3767] addrconf_add_dev+0xe2/0x170 [ 5128.039702][ T3767] inet6_addr_add+0x12f/0xa40 [ 5128.039702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5128.039702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.039702][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.039702][ T3767] netlink_unicast+0x449/0x710 [ 5128.039702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.039702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.039702][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.039702][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.039702][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.039702][ T3767] [ 5128.042115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5128.042115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5128.042115][ T3767] ipv6_find_idev+0x102/0x170 [ 5128.042115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5128.042115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.042115][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.042115][ T3767] netlink_unicast+0x449/0x710 [ 5128.042115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.042115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.042115][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.042115][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.042115][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.042115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5128.042115][ T3767] [ 5128.043997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5128.043997][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5128.043997][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5128.043997][ T3767] ipv6_find_idev+0x102/0x170 [ 5128.043997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5128.043997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5128.043997][ T3767] netlink_rcv_skb+0x130/0x360 [ 5128.043997][ T3767] netlink_unicast+0x449/0x710 [ 5128.043997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5128.043997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5128.043997][ T3767] ___sys_sendmsg+0xee/0x170 [ 5128.043997][ T3767] __sys_sendmsg+0xcd/0x170 [ 5128.043997][ T3767] do_syscall_64+0xc6/0x1e0 [ 5128.043997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5128.043997][ T3767] [ 5138.287875][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5138.288416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5138.288416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5138.288416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5138.288416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5138.288416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5138.288416][ T3767] ip6_route_add+0x1c/0x140 [ 5138.288416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5138.288416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.288416][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.288416][ T3767] netlink_unicast+0x449/0x710 [ 5138.288416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.288416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.288416][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.288416][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.288416][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.288416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5138.288416][ T3767] [ 5138.291263][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5138.291263][ T3767] netdev_get_by_index+0x5e/0x80 [ 5138.291263][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5138.291263][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5138.291263][ T3767] ip6_route_add+0x1c/0x140 [ 5138.291263][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5138.291263][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5138.291263][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5138.291263][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.291263][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.291263][ T3767] netlink_unicast+0x449/0x710 [ 5138.291263][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.291263][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.291263][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.291263][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.291263][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.291263][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5138.291263][ T3767] [ 5138.293741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5138.293741][ T3767] netdev_get_by_index+0x5e/0x80 [ 5138.293741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5138.293741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5138.293741][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5138.293741][ T3767] ipv6_add_addr+0x411/0x2000 [ 5138.293741][ T3767] inet6_addr_add+0x30e/0xa40 [ 5138.293741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5138.293741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.293741][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.293741][ T3767] netlink_unicast+0x449/0x710 [ 5138.293741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.293741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.293741][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.293741][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.293741][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.293741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5138.293741][ T3767] [ 5138.296213][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5138.296213][ T3767] netdev_get_by_index+0x5e/0x80 [ 5138.296213][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5138.296213][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5138.296213][ T3767] ip6_route_add+0x1c/0x140 [ 5138.296213][ T3767] addrconf_add_mroute+0x129/0x180 [ 5138.296213][ T3767] addrconf_add_dev+0xe2/0x170 [ 5138.296213][ T3767] inet6_addr_add+0x12f/0xa40 [ 5138.296213][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5138.296213][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.296213][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.296213][ T3767] netlink_unicast+0x449/0x710 [ 5138.296213][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.296213][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.296213][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.296213][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.296213][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.296213][ T3767] [ 5138.298645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5138.298645][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5138.298645][ T3767] ipv6_find_idev+0x102/0x170 [ 5138.298645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5138.298645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.298645][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.298645][ T3767] netlink_unicast+0x449/0x710 [ 5138.298645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.298645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.298645][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.298645][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.298645][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.298645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5138.298645][ T3767] [ 5138.300549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5138.300549][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5138.300549][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5138.300549][ T3767] ipv6_find_idev+0x102/0x170 [ 5138.300549][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5138.300549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5138.300549][ T3767] netlink_rcv_skb+0x130/0x360 [ 5138.300549][ T3767] netlink_unicast+0x449/0x710 [ 5138.300549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5138.300549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5138.300549][ T3767] ___sys_sendmsg+0xee/0x170 [ 5138.300549][ T3767] __sys_sendmsg+0xcd/0x170 [ 5138.300549][ T3767] do_syscall_64+0xc6/0x1e0 [ 5138.300549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5138.300549][ T3767] [ 5148.551874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5148.552347][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5148.552347][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5148.552347][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5148.552347][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5148.552347][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5148.552347][ T3767] ip6_route_add+0x1c/0x140 [ 5148.552347][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5148.552347][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.552347][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.552347][ T3767] netlink_unicast+0x449/0x710 [ 5148.552347][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.552347][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.552347][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.552347][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.552347][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.552347][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5148.552347][ T3767] [ 5148.554697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5148.554697][ T3767] netdev_get_by_index+0x5e/0x80 [ 5148.554697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5148.554697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5148.554697][ T3767] ip6_route_add+0x1c/0x140 [ 5148.554697][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5148.554697][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5148.554697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5148.554697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.554697][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.554697][ T3767] netlink_unicast+0x449/0x710 [ 5148.554697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.554697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.554697][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.554697][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.554697][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.554697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5148.554697][ T3767] [ 5148.557167][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5148.557167][ T3767] netdev_get_by_index+0x5e/0x80 [ 5148.557167][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5148.557167][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5148.557167][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5148.557167][ T3767] ipv6_add_addr+0x411/0x2000 [ 5148.557167][ T3767] inet6_addr_add+0x30e/0xa40 [ 5148.557167][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5148.557167][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.557167][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.557167][ T3767] netlink_unicast+0x449/0x710 [ 5148.557167][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.557167][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.557167][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.557167][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.557167][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.557167][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5148.557167][ T3767] [ 5148.559591][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5148.559591][ T3767] netdev_get_by_index+0x5e/0x80 [ 5148.559591][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5148.559591][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5148.559591][ T3767] ip6_route_add+0x1c/0x140 [ 5148.559591][ T3767] addrconf_add_mroute+0x129/0x180 [ 5148.559591][ T3767] addrconf_add_dev+0xe2/0x170 [ 5148.559591][ T3767] inet6_addr_add+0x12f/0xa40 [ 5148.559591][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5148.559591][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.559591][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.559591][ T3767] netlink_unicast+0x449/0x710 [ 5148.559591][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.559591][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.559591][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.559591][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.559591][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.559591][ T3767] [ 5148.562009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5148.562009][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5148.562009][ T3767] ipv6_find_idev+0x102/0x170 [ 5148.562009][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5148.562009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.562009][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.562009][ T3767] netlink_unicast+0x449/0x710 [ 5148.562009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.562009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.562009][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.562009][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.562009][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.562009][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5148.562009][ T3767] [ 5148.563905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5148.563905][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5148.563905][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5148.563905][ T3767] ipv6_find_idev+0x102/0x170 [ 5148.563905][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5148.563905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5148.563905][ T3767] netlink_rcv_skb+0x130/0x360 [ 5148.563905][ T3767] netlink_unicast+0x449/0x710 [ 5148.563905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5148.563905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5148.563905][ T3767] ___sys_sendmsg+0xee/0x170 [ 5148.563905][ T3767] __sys_sendmsg+0xcd/0x170 [ 5148.563905][ T3767] do_syscall_64+0xc6/0x1e0 [ 5148.563905][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5148.563905][ T3767] [ 5158.607865][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5158.608395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5158.608395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5158.608395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5158.608395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5158.608395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5158.608395][ T3767] ip6_route_add+0x1c/0x140 [ 5158.608395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5158.608395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.608395][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.608395][ T3767] netlink_unicast+0x449/0x710 [ 5158.608395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.608395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.608395][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.608395][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.608395][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.608395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5158.608395][ T3767] [ 5158.610739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5158.610739][ T3767] netdev_get_by_index+0x5e/0x80 [ 5158.610739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5158.610739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5158.610739][ T3767] ip6_route_add+0x1c/0x140 [ 5158.610739][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5158.610739][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5158.610739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5158.610739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.610739][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.610739][ T3767] netlink_unicast+0x449/0x710 [ 5158.610739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.610739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.610739][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.610739][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.610739][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.610739][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5158.610739][ T3767] [ 5158.613208][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5158.613208][ T3767] netdev_get_by_index+0x5e/0x80 [ 5158.613208][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5158.613208][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5158.613208][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5158.613208][ T3767] ipv6_add_addr+0x411/0x2000 [ 5158.613208][ T3767] inet6_addr_add+0x30e/0xa40 [ 5158.613208][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5158.613208][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.613208][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.613208][ T3767] netlink_unicast+0x449/0x710 [ 5158.613208][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.613208][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.613208][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.613208][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.613208][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.613208][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5158.613208][ T3767] [ 5158.615689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5158.615689][ T3767] netdev_get_by_index+0x5e/0x80 [ 5158.615689][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5158.615689][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5158.615689][ T3767] ip6_route_add+0x1c/0x140 [ 5158.615689][ T3767] addrconf_add_mroute+0x129/0x180 [ 5158.615689][ T3767] addrconf_add_dev+0xe2/0x170 [ 5158.615689][ T3767] inet6_addr_add+0x12f/0xa40 [ 5158.615689][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5158.615689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.615689][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.615689][ T3767] netlink_unicast+0x449/0x710 [ 5158.615689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.615689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.615689][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.615689][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.615689][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.615689][ T3767] [ 5158.618477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5158.618477][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5158.618477][ T3767] ipv6_find_idev+0x102/0x170 [ 5158.618477][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5158.618477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.618477][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.618477][ T3767] netlink_unicast+0x449/0x710 [ 5158.618477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.618477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.618477][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.618477][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.618477][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.618477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5158.618477][ T3767] [ 5158.620631][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5158.620631][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5158.620631][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5158.620631][ T3767] ipv6_find_idev+0x102/0x170 [ 5158.620631][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5158.620631][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5158.620631][ T3767] netlink_rcv_skb+0x130/0x360 [ 5158.620631][ T3767] netlink_unicast+0x449/0x710 [ 5158.620631][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5158.620631][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5158.620631][ T3767] ___sys_sendmsg+0xee/0x170 [ 5158.620631][ T3767] __sys_sendmsg+0xcd/0x170 [ 5158.620631][ T3767] do_syscall_64+0xc6/0x1e0 [ 5158.620631][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5158.620631][ T3767] [ 5168.863955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5168.864476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5168.864476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5168.864476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5168.864476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5168.864476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5168.864476][ T3767] ip6_route_add+0x1c/0x140 [ 5168.864476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5168.864476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.864476][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.864476][ T3767] netlink_unicast+0x449/0x710 [ 5168.864476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.864476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.864476][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.864476][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.864476][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.864476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5168.864476][ T3767] [ 5168.866799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5168.866799][ T3767] netdev_get_by_index+0x5e/0x80 [ 5168.866799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5168.866799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5168.866799][ T3767] ip6_route_add+0x1c/0x140 [ 5168.866799][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5168.866799][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5168.866799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5168.866799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.866799][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.866799][ T3767] netlink_unicast+0x449/0x710 [ 5168.866799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.866799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.866799][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.866799][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.866799][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.866799][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5168.866799][ T3767] [ 5168.869247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5168.869247][ T3767] netdev_get_by_index+0x5e/0x80 [ 5168.869247][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5168.869247][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5168.869247][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5168.869247][ T3767] ipv6_add_addr+0x411/0x2000 [ 5168.869247][ T3767] inet6_addr_add+0x30e/0xa40 [ 5168.869247][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5168.869247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.869247][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.869247][ T3767] netlink_unicast+0x449/0x710 [ 5168.869247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.869247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.869247][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.869247][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.869247][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.869247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5168.869247][ T3767] [ 5168.872139][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5168.872139][ T3767] netdev_get_by_index+0x5e/0x80 [ 5168.872139][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5168.872139][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5168.872139][ T3767] ip6_route_add+0x1c/0x140 [ 5168.872139][ T3767] addrconf_add_mroute+0x129/0x180 [ 5168.872139][ T3767] addrconf_add_dev+0xe2/0x170 [ 5168.872139][ T3767] inet6_addr_add+0x12f/0xa40 [ 5168.872139][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5168.872139][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.872139][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.872139][ T3767] netlink_unicast+0x449/0x710 [ 5168.872139][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.872139][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.872139][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.872139][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.872139][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.872139][ T3767] [ 5168.875025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5168.875025][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5168.875025][ T3767] ipv6_find_idev+0x102/0x170 [ 5168.875025][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5168.875025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.875025][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.875025][ T3767] netlink_unicast+0x449/0x710 [ 5168.875025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.875025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.875025][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.875025][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.875025][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.875025][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5168.875025][ T3767] [ 5168.877203][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5168.877203][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5168.877203][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5168.877203][ T3767] ipv6_find_idev+0x102/0x170 [ 5168.877203][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5168.877203][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5168.877203][ T3767] netlink_rcv_skb+0x130/0x360 [ 5168.877203][ T3767] netlink_unicast+0x449/0x710 [ 5168.877203][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5168.877203][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5168.877203][ T3767] ___sys_sendmsg+0xee/0x170 [ 5168.877203][ T3767] __sys_sendmsg+0xcd/0x170 [ 5168.877203][ T3767] do_syscall_64+0xc6/0x1e0 [ 5168.877203][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5168.877203][ T3767] [ 5179.119864][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5179.120382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5179.120382][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5179.120382][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5179.120382][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5179.120382][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5179.120382][ T3767] ip6_route_add+0x1c/0x140 [ 5179.120382][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5179.120382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.120382][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.120382][ T3767] netlink_unicast+0x449/0x710 [ 5179.120382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.120382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.120382][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.120382][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.120382][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.120382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5179.120382][ T3767] [ 5179.122732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5179.122732][ T3767] netdev_get_by_index+0x5e/0x80 [ 5179.122732][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5179.122732][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5179.122732][ T3767] ip6_route_add+0x1c/0x140 [ 5179.122732][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5179.122732][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5179.122732][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5179.122732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.122732][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.122732][ T3767] netlink_unicast+0x449/0x710 [ 5179.122732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.122732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.122732][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.122732][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.122732][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.122732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5179.122732][ T3767] [ 5179.125182][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5179.125182][ T3767] netdev_get_by_index+0x5e/0x80 [ 5179.125182][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5179.125182][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5179.125182][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5179.125182][ T3767] ipv6_add_addr+0x411/0x2000 [ 5179.125182][ T3767] inet6_addr_add+0x30e/0xa40 [ 5179.125182][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5179.125182][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.125182][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.125182][ T3767] netlink_unicast+0x449/0x710 [ 5179.125182][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.125182][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.125182][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.125182][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.125182][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.125182][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5179.125182][ T3767] [ 5179.127717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5179.127717][ T3767] netdev_get_by_index+0x5e/0x80 [ 5179.127717][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5179.127717][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5179.127717][ T3767] ip6_route_add+0x1c/0x140 [ 5179.127717][ T3767] addrconf_add_mroute+0x129/0x180 [ 5179.127717][ T3767] addrconf_add_dev+0xe2/0x170 [ 5179.127717][ T3767] inet6_addr_add+0x12f/0xa40 [ 5179.127717][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5179.127717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.127717][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.127717][ T3767] netlink_unicast+0x449/0x710 [ 5179.127717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.127717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.127717][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.127717][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.127717][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.127717][ T3767] [ 5179.130151][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5179.130151][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5179.130151][ T3767] ipv6_find_idev+0x102/0x170 [ 5179.130151][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5179.130151][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.130151][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.130151][ T3767] netlink_unicast+0x449/0x710 [ 5179.130151][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.130151][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.130151][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.130151][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.130151][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.130151][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5179.130151][ T3767] [ 5179.132036][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5179.132036][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5179.132036][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5179.132036][ T3767] ipv6_find_idev+0x102/0x170 [ 5179.132036][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5179.132036][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5179.132036][ T3767] netlink_rcv_skb+0x130/0x360 [ 5179.132036][ T3767] netlink_unicast+0x449/0x710 [ 5179.132036][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5179.132036][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5179.132036][ T3767] ___sys_sendmsg+0xee/0x170 [ 5179.132036][ T3767] __sys_sendmsg+0xcd/0x170 [ 5179.132036][ T3767] do_syscall_64+0xc6/0x1e0 [ 5179.132036][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5179.132036][ T3767] [ 5189.375892][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5189.376396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5189.376396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5189.376396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5189.376396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5189.376396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5189.376396][ T3767] ip6_route_add+0x1c/0x140 [ 5189.376396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5189.376396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.376396][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.376396][ T3767] netlink_unicast+0x449/0x710 [ 5189.376396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.376396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.376396][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.376396][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.376396][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.376396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5189.376396][ T3767] [ 5189.378743][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5189.378743][ T3767] netdev_get_by_index+0x5e/0x80 [ 5189.378743][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5189.378743][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5189.378743][ T3767] ip6_route_add+0x1c/0x140 [ 5189.378743][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5189.378743][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5189.378743][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5189.378743][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.378743][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.378743][ T3767] netlink_unicast+0x449/0x710 [ 5189.378743][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.378743][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.378743][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.378743][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.378743][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.378743][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5189.378743][ T3767] [ 5189.381204][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5189.381204][ T3767] netdev_get_by_index+0x5e/0x80 [ 5189.381204][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5189.381204][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5189.381204][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5189.381204][ T3767] ipv6_add_addr+0x411/0x2000 [ 5189.381204][ T3767] inet6_addr_add+0x30e/0xa40 [ 5189.381204][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5189.381204][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.381204][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.381204][ T3767] netlink_unicast+0x449/0x710 [ 5189.381204][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.381204][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.381204][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.381204][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.381204][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.381204][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5189.381204][ T3767] [ 5189.383674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5189.383674][ T3767] netdev_get_by_index+0x5e/0x80 [ 5189.383674][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5189.383674][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5189.383674][ T3767] ip6_route_add+0x1c/0x140 [ 5189.383674][ T3767] addrconf_add_mroute+0x129/0x180 [ 5189.383674][ T3767] addrconf_add_dev+0xe2/0x170 [ 5189.383674][ T3767] inet6_addr_add+0x12f/0xa40 [ 5189.383674][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5189.383674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.383674][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.383674][ T3767] netlink_unicast+0x449/0x710 [ 5189.383674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.383674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.383674][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.383674][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.383674][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.383674][ T3767] [ 5189.386095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5189.386095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5189.386095][ T3767] ipv6_find_idev+0x102/0x170 [ 5189.386095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5189.386095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.386095][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.386095][ T3767] netlink_unicast+0x449/0x710 [ 5189.386095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.386095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.386095][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.386095][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.386095][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.386095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5189.386095][ T3767] [ 5189.387994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5189.387994][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5189.387994][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5189.387994][ T3767] ipv6_find_idev+0x102/0x170 [ 5189.387994][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5189.387994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5189.387994][ T3767] netlink_rcv_skb+0x130/0x360 [ 5189.387994][ T3767] netlink_unicast+0x449/0x710 [ 5189.387994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5189.387994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5189.387994][ T3767] ___sys_sendmsg+0xee/0x170 [ 5189.387994][ T3767] __sys_sendmsg+0xcd/0x170 [ 5189.387994][ T3767] do_syscall_64+0xc6/0x1e0 [ 5189.387994][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5189.387994][ T3767] [ 5199.631865][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5199.632392][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5199.632392][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5199.632392][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5199.632392][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5199.632392][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5199.632392][ T3767] ip6_route_add+0x1c/0x140 [ 5199.632392][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5199.632392][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.632392][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.632392][ T3767] netlink_unicast+0x449/0x710 [ 5199.632392][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.632392][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.632392][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.632392][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.632392][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.632392][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5199.632392][ T3767] [ 5199.634737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5199.634737][ T3767] netdev_get_by_index+0x5e/0x80 [ 5199.634737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5199.634737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5199.634737][ T3767] ip6_route_add+0x1c/0x140 [ 5199.634737][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5199.634737][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5199.634737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5199.634737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.634737][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.634737][ T3767] netlink_unicast+0x449/0x710 [ 5199.634737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.634737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.634737][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.634737][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.634737][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.634737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5199.634737][ T3767] [ 5199.637200][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5199.637200][ T3767] netdev_get_by_index+0x5e/0x80 [ 5199.637200][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5199.637200][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5199.637200][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5199.637200][ T3767] ipv6_add_addr+0x411/0x2000 [ 5199.637200][ T3767] inet6_addr_add+0x30e/0xa40 [ 5199.637200][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5199.637200][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.637200][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.637200][ T3767] netlink_unicast+0x449/0x710 [ 5199.637200][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.637200][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.637200][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.637200][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.637200][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.637200][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5199.637200][ T3767] [ 5199.639663][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5199.639663][ T3767] netdev_get_by_index+0x5e/0x80 [ 5199.639663][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5199.639663][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5199.639663][ T3767] ip6_route_add+0x1c/0x140 [ 5199.639663][ T3767] addrconf_add_mroute+0x129/0x180 [ 5199.639663][ T3767] addrconf_add_dev+0xe2/0x170 [ 5199.639663][ T3767] inet6_addr_add+0x12f/0xa40 [ 5199.639663][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5199.639663][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.639663][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.639663][ T3767] netlink_unicast+0x449/0x710 [ 5199.639663][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.639663][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.639663][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.639663][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.639663][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.639663][ T3767] [ 5199.642091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5199.642091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5199.642091][ T3767] ipv6_find_idev+0x102/0x170 [ 5199.642091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5199.642091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.642091][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.642091][ T3767] netlink_unicast+0x449/0x710 [ 5199.642091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.642091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.642091][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.642091][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.642091][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.642091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5199.642091][ T3767] [ 5199.643995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5199.643995][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5199.643995][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5199.643995][ T3767] ipv6_find_idev+0x102/0x170 [ 5199.643995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5199.643995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5199.643995][ T3767] netlink_rcv_skb+0x130/0x360 [ 5199.643995][ T3767] netlink_unicast+0x449/0x710 [ 5199.643995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5199.643995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5199.643995][ T3767] ___sys_sendmsg+0xee/0x170 [ 5199.643995][ T3767] __sys_sendmsg+0xcd/0x170 [ 5199.643995][ T3767] do_syscall_64+0xc6/0x1e0 [ 5199.643995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5199.643995][ T3767] [ 5209.895964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5209.896480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5209.896480][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5209.896480][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5209.896480][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5209.896480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5209.896480][ T3767] ip6_route_add+0x1c/0x140 [ 5209.896480][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5209.896480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.896480][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.896480][ T3767] netlink_unicast+0x449/0x710 [ 5209.896480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.896480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.896480][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.896480][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.896480][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.896480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5209.896480][ T3767] [ 5209.898806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5209.898806][ T3767] netdev_get_by_index+0x5e/0x80 [ 5209.898806][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5209.898806][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5209.898806][ T3767] ip6_route_add+0x1c/0x140 [ 5209.898806][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5209.898806][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5209.898806][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5209.898806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.898806][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.898806][ T3767] netlink_unicast+0x449/0x710 [ 5209.898806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.898806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.898806][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.898806][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.898806][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.898806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5209.898806][ T3767] [ 5209.901267][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5209.901267][ T3767] netdev_get_by_index+0x5e/0x80 [ 5209.901267][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5209.901267][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5209.901267][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5209.901267][ T3767] ipv6_add_addr+0x411/0x2000 [ 5209.901267][ T3767] inet6_addr_add+0x30e/0xa40 [ 5209.901267][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5209.901267][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.901267][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.901267][ T3767] netlink_unicast+0x449/0x710 [ 5209.901267][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.901267][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.901267][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.901267][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.901267][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.901267][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5209.901267][ T3767] [ 5209.903739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5209.903739][ T3767] netdev_get_by_index+0x5e/0x80 [ 5209.903739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5209.903739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5209.903739][ T3767] ip6_route_add+0x1c/0x140 [ 5209.903739][ T3767] addrconf_add_mroute+0x129/0x180 [ 5209.903739][ T3767] addrconf_add_dev+0xe2/0x170 [ 5209.903739][ T3767] inet6_addr_add+0x12f/0xa40 [ 5209.903739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5209.903739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.903739][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.903739][ T3767] netlink_unicast+0x449/0x710 [ 5209.903739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.903739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.903739][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.903739][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.903739][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.903739][ T3767] [ 5209.906655][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5209.906655][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5209.906655][ T3767] ipv6_find_idev+0x102/0x170 [ 5209.906655][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5209.906655][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.906655][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.906655][ T3767] netlink_unicast+0x449/0x710 [ 5209.906655][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.906655][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.906655][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.906655][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.906655][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.906655][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5209.906655][ T3767] [ 5209.908551][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5209.908551][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5209.908551][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5209.908551][ T3767] ipv6_find_idev+0x102/0x170 [ 5209.908551][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5209.908551][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5209.908551][ T3767] netlink_rcv_skb+0x130/0x360 [ 5209.908551][ T3767] netlink_unicast+0x449/0x710 [ 5209.908551][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5209.908551][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5209.908551][ T3767] ___sys_sendmsg+0xee/0x170 [ 5209.908551][ T3767] __sys_sendmsg+0xcd/0x170 [ 5209.908551][ T3767] do_syscall_64+0xc6/0x1e0 [ 5209.908551][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5209.908551][ T3767] [ 5220.151883][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5220.152415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5220.152415][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5220.152415][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5220.152415][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5220.152415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5220.152415][ T3767] ip6_route_add+0x1c/0x140 [ 5220.152415][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5220.152415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.152415][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.152415][ T3767] netlink_unicast+0x449/0x710 [ 5220.152415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.152415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.152415][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.152415][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.152415][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.152415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.152415][ T3767] [ 5220.154504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5220.154504][ T3767] netdev_get_by_index+0x5e/0x80 [ 5220.154504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5220.154504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5220.154504][ T3767] ip6_route_add+0x1c/0x140 [ 5220.154504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5220.154504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5220.154504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.154504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.154504][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.154504][ T3767] netlink_unicast+0x449/0x710 [ 5220.154504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.154504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.154504][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.154504][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.154504][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.154504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.154504][ T3767] [ 5220.156684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5220.156684][ T3767] netdev_get_by_index+0x5e/0x80 [ 5220.156684][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5220.156684][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5220.156684][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5220.156684][ T3767] ipv6_add_addr+0x411/0x2000 [ 5220.156684][ T3767] inet6_addr_add+0x30e/0xa40 [ 5220.156684][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.156684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.156684][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.156684][ T3767] netlink_unicast+0x449/0x710 [ 5220.156684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.156684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.156684][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.156684][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.156684][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.156684][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.156684][ T3767] [ 5220.158862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5220.158862][ T3767] netdev_get_by_index+0x5e/0x80 [ 5220.158862][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5220.158862][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5220.158862][ T3767] ip6_route_add+0x1c/0x140 [ 5220.158862][ T3767] addrconf_add_mroute+0x129/0x180 [ 5220.158862][ T3767] addrconf_add_dev+0xe2/0x170 [ 5220.158862][ T3767] inet6_addr_add+0x12f/0xa40 [ 5220.158862][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5220.158862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.158862][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.158862][ T3767] netlink_unicast+0x449/0x710 [ 5220.158862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.158862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.158862][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.158862][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.158862][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.158862][ T3767] [ 5220.161002][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5220.161002][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5220.161002][ T3767] ipv6_find_idev+0x102/0x170 [ 5220.161002][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5220.161002][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.161002][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.161002][ T3767] netlink_unicast+0x449/0x710 [ 5220.161002][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.161002][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.161002][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.161002][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.161002][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.161002][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.161002][ T3767] [ 5220.162681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5220.162681][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5220.162681][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5220.162681][ T3767] ipv6_find_idev+0x102/0x170 [ 5220.162681][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5220.162681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5220.162681][ T3767] netlink_rcv_skb+0x130/0x360 [ 5220.162681][ T3767] netlink_unicast+0x449/0x710 [ 5220.162681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5220.162681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5220.162681][ T3767] ___sys_sendmsg+0xee/0x170 [ 5220.162681][ T3767] __sys_sendmsg+0xcd/0x170 [ 5220.162681][ T3767] do_syscall_64+0xc6/0x1e0 [ 5220.162681][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5220.162681][ T3767] [ 5230.287942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5230.288411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5230.288411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5230.288411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5230.288411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5230.288411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5230.288411][ T3767] ip6_route_add+0x1c/0x140 [ 5230.288411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5230.288411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.288411][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.288411][ T3767] netlink_unicast+0x449/0x710 [ 5230.288411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.288411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.288411][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.288411][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.288411][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.288411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5230.288411][ T3767] [ 5230.290488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5230.290488][ T3767] netdev_get_by_index+0x5e/0x80 [ 5230.290488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5230.290488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5230.290488][ T3767] ip6_route_add+0x1c/0x140 [ 5230.290488][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5230.290488][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5230.290488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5230.290488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.290488][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.290488][ T3767] netlink_unicast+0x449/0x710 [ 5230.290488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.290488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.290488][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.290488][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.290488][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.290488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5230.290488][ T3767] [ 5230.292689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5230.292689][ T3767] netdev_get_by_index+0x5e/0x80 [ 5230.292689][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5230.292689][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5230.292689][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5230.292689][ T3767] ipv6_add_addr+0x411/0x2000 [ 5230.292689][ T3767] inet6_addr_add+0x30e/0xa40 [ 5230.292689][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5230.292689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.292689][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.292689][ T3767] netlink_unicast+0x449/0x710 [ 5230.292689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.292689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.292689][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.292689][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.292689][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.292689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5230.292689][ T3767] [ 5230.294882][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5230.294882][ T3767] netdev_get_by_index+0x5e/0x80 [ 5230.294882][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5230.294882][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5230.294882][ T3767] ip6_route_add+0x1c/0x140 [ 5230.294882][ T3767] addrconf_add_mroute+0x129/0x180 [ 5230.294882][ T3767] addrconf_add_dev+0xe2/0x170 [ 5230.294882][ T3767] inet6_addr_add+0x12f/0xa40 [ 5230.294882][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5230.294882][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.294882][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.294882][ T3767] netlink_unicast+0x449/0x710 [ 5230.294882][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.294882][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.294882][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.294882][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.294882][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.294882][ T3767] [ 5230.297023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5230.297023][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5230.297023][ T3767] ipv6_find_idev+0x102/0x170 [ 5230.297023][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5230.297023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.297023][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.297023][ T3767] netlink_unicast+0x449/0x710 [ 5230.297023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.297023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.297023][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.297023][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.297023][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.297023][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5230.297023][ T3767] [ 5230.298700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5230.298700][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5230.298700][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5230.298700][ T3767] ipv6_find_idev+0x102/0x170 [ 5230.298700][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5230.298700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5230.298700][ T3767] netlink_rcv_skb+0x130/0x360 [ 5230.298700][ T3767] netlink_unicast+0x449/0x710 [ 5230.298700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5230.298700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5230.298700][ T3767] ___sys_sendmsg+0xee/0x170 [ 5230.298700][ T3767] __sys_sendmsg+0xcd/0x170 [ 5230.298700][ T3767] do_syscall_64+0xc6/0x1e0 [ 5230.298700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5230.298700][ T3767] [ 5240.528010][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5240.528472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5240.528472][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5240.528472][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5240.528472][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5240.528472][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5240.528472][ T3767] ip6_route_add+0x1c/0x140 [ 5240.528472][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5240.528472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.528472][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.528472][ T3767] netlink_unicast+0x449/0x710 [ 5240.528472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.528472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.528472][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.528472][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.528472][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.528472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5240.528472][ T3767] [ 5240.530545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5240.530545][ T3767] netdev_get_by_index+0x5e/0x80 [ 5240.530545][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5240.530545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5240.530545][ T3767] ip6_route_add+0x1c/0x140 [ 5240.530545][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5240.530545][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5240.530545][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5240.530545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.530545][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.530545][ T3767] netlink_unicast+0x449/0x710 [ 5240.530545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.530545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.530545][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.530545][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.530545][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.530545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5240.530545][ T3767] [ 5240.532753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5240.532753][ T3767] netdev_get_by_index+0x5e/0x80 [ 5240.532753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5240.532753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5240.532753][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5240.532753][ T3767] ipv6_add_addr+0x411/0x2000 [ 5240.532753][ T3767] inet6_addr_add+0x30e/0xa40 [ 5240.532753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5240.532753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.532753][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.532753][ T3767] netlink_unicast+0x449/0x710 [ 5240.532753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.532753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.532753][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.532753][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.532753][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.532753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5240.532753][ T3767] [ 5240.534932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5240.534932][ T3767] netdev_get_by_index+0x5e/0x80 [ 5240.534932][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5240.534932][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5240.534932][ T3767] ip6_route_add+0x1c/0x140 [ 5240.534932][ T3767] addrconf_add_mroute+0x129/0x180 [ 5240.534932][ T3767] addrconf_add_dev+0xe2/0x170 [ 5240.534932][ T3767] inet6_addr_add+0x12f/0xa40 [ 5240.534932][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5240.534932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.534932][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.534932][ T3767] netlink_unicast+0x449/0x710 [ 5240.534932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.534932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.534932][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.534932][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.534932][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.534932][ T3767] [ 5240.537075][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5240.537075][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5240.537075][ T3767] ipv6_find_idev+0x102/0x170 [ 5240.537075][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5240.537075][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.537075][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.537075][ T3767] netlink_unicast+0x449/0x710 [ 5240.537075][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.537075][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.537075][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.537075][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.537075][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.537075][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5240.537075][ T3767] [ 5240.538754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5240.538754][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5240.538754][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5240.538754][ T3767] ipv6_find_idev+0x102/0x170 [ 5240.538754][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5240.538754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5240.538754][ T3767] netlink_rcv_skb+0x130/0x360 [ 5240.538754][ T3767] netlink_unicast+0x449/0x710 [ 5240.538754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5240.538754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5240.538754][ T3767] ___sys_sendmsg+0xee/0x170 [ 5240.538754][ T3767] __sys_sendmsg+0xcd/0x170 [ 5240.538754][ T3767] do_syscall_64+0xc6/0x1e0 [ 5240.538754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5240.538754][ T3767] [ 5250.775935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5250.776410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5250.776410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5250.776410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5250.776410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5250.776410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5250.776410][ T3767] ip6_route_add+0x1c/0x140 [ 5250.776410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5250.776410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.776410][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.776410][ T3767] netlink_unicast+0x449/0x710 [ 5250.776410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.776410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.776410][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.776410][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.776410][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.776410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5250.776410][ T3767] [ 5250.778504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5250.778504][ T3767] netdev_get_by_index+0x5e/0x80 [ 5250.778504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5250.778504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5250.778504][ T3767] ip6_route_add+0x1c/0x140 [ 5250.778504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5250.778504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5250.778504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5250.778504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.778504][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.778504][ T3767] netlink_unicast+0x449/0x710 [ 5250.778504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.778504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.778504][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.778504][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.778504][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.778504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5250.778504][ T3767] [ 5250.780712][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5250.780712][ T3767] netdev_get_by_index+0x5e/0x80 [ 5250.780712][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5250.780712][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5250.780712][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5250.780712][ T3767] ipv6_add_addr+0x411/0x2000 [ 5250.780712][ T3767] inet6_addr_add+0x30e/0xa40 [ 5250.780712][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5250.780712][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.780712][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.780712][ T3767] netlink_unicast+0x449/0x710 [ 5250.780712][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.780712][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.780712][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.780712][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.780712][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.780712][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5250.780712][ T3767] [ 5250.782928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5250.782928][ T3767] netdev_get_by_index+0x5e/0x80 [ 5250.782928][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5250.782928][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5250.782928][ T3767] ip6_route_add+0x1c/0x140 [ 5250.782928][ T3767] addrconf_add_mroute+0x129/0x180 [ 5250.782928][ T3767] addrconf_add_dev+0xe2/0x170 [ 5250.782928][ T3767] inet6_addr_add+0x12f/0xa40 [ 5250.782928][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5250.782928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.782928][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.782928][ T3767] netlink_unicast+0x449/0x710 [ 5250.782928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.782928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.782928][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.782928][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.782928][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.782928][ T3767] [ 5250.785101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5250.785101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5250.785101][ T3767] ipv6_find_idev+0x102/0x170 [ 5250.785101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5250.785101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.785101][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.785101][ T3767] netlink_unicast+0x449/0x710 [ 5250.785101][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.785101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.785101][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.785101][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.785101][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.785101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5250.785101][ T3767] [ 5250.786862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5250.786862][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5250.786862][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5250.786862][ T3767] ipv6_find_idev+0x102/0x170 [ 5250.786862][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5250.786862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5250.786862][ T3767] netlink_rcv_skb+0x130/0x360 [ 5250.786862][ T3767] netlink_unicast+0x449/0x710 [ 5250.786862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5250.786862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5250.786862][ T3767] ___sys_sendmsg+0xee/0x170 [ 5250.786862][ T3767] __sys_sendmsg+0xcd/0x170 [ 5250.786862][ T3767] do_syscall_64+0xc6/0x1e0 [ 5250.786862][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5250.786862][ T3767] [ 5261.023946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5261.024432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5261.024432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5261.024432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5261.024432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5261.024432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5261.024432][ T3767] ip6_route_add+0x1c/0x140 [ 5261.024432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5261.024432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.024432][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.024432][ T3767] netlink_unicast+0x449/0x710 [ 5261.024432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.024432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.024432][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.024432][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.024432][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.024432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.024432][ T3767] [ 5261.026544][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5261.026544][ T3767] netdev_get_by_index+0x5e/0x80 [ 5261.026544][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5261.026544][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5261.026544][ T3767] ip6_route_add+0x1c/0x140 [ 5261.026544][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5261.026544][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5261.026544][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.026544][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.026544][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.026544][ T3767] netlink_unicast+0x449/0x710 [ 5261.026544][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.026544][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.026544][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.026544][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.026544][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.026544][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.026544][ T3767] [ 5261.028761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5261.028761][ T3767] netdev_get_by_index+0x5e/0x80 [ 5261.028761][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5261.028761][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5261.028761][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5261.028761][ T3767] ipv6_add_addr+0x411/0x2000 [ 5261.028761][ T3767] inet6_addr_add+0x30e/0xa40 [ 5261.028761][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.028761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.028761][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.028761][ T3767] netlink_unicast+0x449/0x710 [ 5261.028761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.028761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.028761][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.028761][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.028761][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.028761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.028761][ T3767] [ 5261.030970][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5261.030970][ T3767] netdev_get_by_index+0x5e/0x80 [ 5261.030970][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5261.030970][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5261.030970][ T3767] ip6_route_add+0x1c/0x140 [ 5261.030970][ T3767] addrconf_add_mroute+0x129/0x180 [ 5261.030970][ T3767] addrconf_add_dev+0xe2/0x170 [ 5261.030970][ T3767] inet6_addr_add+0x12f/0xa40 [ 5261.030970][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5261.030970][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.030970][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.030970][ T3767] netlink_unicast+0x449/0x710 [ 5261.030970][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.030970][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.030970][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.030970][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.030970][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.030970][ T3767] [ 5261.033143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5261.033143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5261.033143][ T3767] ipv6_find_idev+0x102/0x170 [ 5261.033143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5261.033143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.033143][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.033143][ T3767] netlink_unicast+0x449/0x710 [ 5261.033143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.033143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.033143][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.033143][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.033143][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.033143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.033143][ T3767] [ 5261.034840][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5261.034840][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5261.034840][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5261.034840][ T3767] ipv6_find_idev+0x102/0x170 [ 5261.034840][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5261.034840][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5261.034840][ T3767] netlink_rcv_skb+0x130/0x360 [ 5261.034840][ T3767] netlink_unicast+0x449/0x710 [ 5261.034840][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5261.034840][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5261.034840][ T3767] ___sys_sendmsg+0xee/0x170 [ 5261.034840][ T3767] __sys_sendmsg+0xcd/0x170 [ 5261.034840][ T3767] do_syscall_64+0xc6/0x1e0 [ 5261.034840][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5261.034840][ T3767] [ 5271.271975][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5271.272461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5271.272461][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5271.272461][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5271.272461][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5271.272461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5271.272461][ T3767] ip6_route_add+0x1c/0x140 [ 5271.272461][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5271.272461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.272461][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.272461][ T3767] netlink_unicast+0x449/0x710 [ 5271.272461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.272461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.272461][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.272461][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.272461][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.272461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5271.272461][ T3767] [ 5271.274575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5271.274575][ T3767] netdev_get_by_index+0x5e/0x80 [ 5271.274575][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5271.274575][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5271.274575][ T3767] ip6_route_add+0x1c/0x140 [ 5271.274575][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5271.274575][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5271.274575][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5271.274575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.274575][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.274575][ T3767] netlink_unicast+0x449/0x710 [ 5271.274575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.274575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.274575][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.274575][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.274575][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.274575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5271.274575][ T3767] [ 5271.276786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5271.276786][ T3767] netdev_get_by_index+0x5e/0x80 [ 5271.276786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5271.276786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5271.276786][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5271.276786][ T3767] ipv6_add_addr+0x411/0x2000 [ 5271.276786][ T3767] inet6_addr_add+0x30e/0xa40 [ 5271.276786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5271.276786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.276786][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.276786][ T3767] netlink_unicast+0x449/0x710 [ 5271.276786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.276786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.276786][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.276786][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.276786][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.276786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5271.276786][ T3767] [ 5271.278990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5271.278990][ T3767] netdev_get_by_index+0x5e/0x80 [ 5271.278990][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5271.278990][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5271.278990][ T3767] ip6_route_add+0x1c/0x140 [ 5271.278990][ T3767] addrconf_add_mroute+0x129/0x180 [ 5271.278990][ T3767] addrconf_add_dev+0xe2/0x170 [ 5271.278990][ T3767] inet6_addr_add+0x12f/0xa40 [ 5271.278990][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5271.278990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.278990][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.278990][ T3767] netlink_unicast+0x449/0x710 [ 5271.278990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.278990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.278990][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.278990][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.278990][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.278990][ T3767] [ 5271.281160][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5271.281160][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5271.281160][ T3767] ipv6_find_idev+0x102/0x170 [ 5271.281160][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5271.281160][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.281160][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.281160][ T3767] netlink_unicast+0x449/0x710 [ 5271.281160][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.281160][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.281160][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.281160][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.281160][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.281160][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5271.281160][ T3767] [ 5271.282860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5271.282860][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5271.282860][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5271.282860][ T3767] ipv6_find_idev+0x102/0x170 [ 5271.282860][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5271.282860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5271.282860][ T3767] netlink_rcv_skb+0x130/0x360 [ 5271.282860][ T3767] netlink_unicast+0x449/0x710 [ 5271.282860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5271.282860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5271.282860][ T3767] ___sys_sendmsg+0xee/0x170 [ 5271.282860][ T3767] __sys_sendmsg+0xcd/0x170 [ 5271.282860][ T3767] do_syscall_64+0xc6/0x1e0 [ 5271.282860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5271.282860][ T3767] [ 5281.519940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5281.520426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5281.520426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5281.520426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5281.520426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5281.520426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5281.520426][ T3767] ip6_route_add+0x1c/0x140 [ 5281.520426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5281.520426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.520426][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.520426][ T3767] netlink_unicast+0x449/0x710 [ 5281.520426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.520426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.520426][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.520426][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.520426][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.520426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5281.520426][ T3767] [ 5281.522533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5281.522533][ T3767] netdev_get_by_index+0x5e/0x80 [ 5281.522533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5281.522533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5281.522533][ T3767] ip6_route_add+0x1c/0x140 [ 5281.522533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5281.522533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5281.522533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5281.522533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.522533][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.522533][ T3767] netlink_unicast+0x449/0x710 [ 5281.522533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.522533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.522533][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.522533][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.522533][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.522533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5281.522533][ T3767] [ 5281.524748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5281.524748][ T3767] netdev_get_by_index+0x5e/0x80 [ 5281.524748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5281.524748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5281.524748][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5281.524748][ T3767] ipv6_add_addr+0x411/0x2000 [ 5281.524748][ T3767] inet6_addr_add+0x30e/0xa40 [ 5281.524748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5281.524748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.524748][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.524748][ T3767] netlink_unicast+0x449/0x710 [ 5281.524748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.524748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.524748][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.524748][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.524748][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.524748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5281.524748][ T3767] [ 5281.526952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5281.526952][ T3767] netdev_get_by_index+0x5e/0x80 [ 5281.526952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5281.526952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5281.526952][ T3767] ip6_route_add+0x1c/0x140 [ 5281.526952][ T3767] addrconf_add_mroute+0x129/0x180 [ 5281.526952][ T3767] addrconf_add_dev+0xe2/0x170 [ 5281.526952][ T3767] inet6_addr_add+0x12f/0xa40 [ 5281.526952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5281.526952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.526952][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.526952][ T3767] netlink_unicast+0x449/0x710 [ 5281.526952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.526952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.526952][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.526952][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.526952][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.526952][ T3767] [ 5281.529119][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5281.529119][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5281.529119][ T3767] ipv6_find_idev+0x102/0x170 [ 5281.529119][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5281.529119][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.529119][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.529119][ T3767] netlink_unicast+0x449/0x710 [ 5281.529119][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.529119][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.529119][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.529119][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.529119][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.529119][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5281.529119][ T3767] [ 5281.530819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5281.530819][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5281.530819][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5281.530819][ T3767] ipv6_find_idev+0x102/0x170 [ 5281.530819][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5281.530819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5281.530819][ T3767] netlink_rcv_skb+0x130/0x360 [ 5281.530819][ T3767] netlink_unicast+0x449/0x710 [ 5281.530819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5281.530819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5281.530819][ T3767] ___sys_sendmsg+0xee/0x170 [ 5281.530819][ T3767] __sys_sendmsg+0xcd/0x170 [ 5281.530819][ T3767] do_syscall_64+0xc6/0x1e0 [ 5281.530819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5281.530819][ T3767] [ 5291.775936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5291.776418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5291.776418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5291.776418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5291.776418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5291.776418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5291.776418][ T3767] ip6_route_add+0x1c/0x140 [ 5291.776418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5291.776418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.776418][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.776418][ T3767] netlink_unicast+0x449/0x710 [ 5291.776418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.776418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.776418][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.776418][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.776418][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.776418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5291.776418][ T3767] [ 5291.778509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5291.778509][ T3767] netdev_get_by_index+0x5e/0x80 [ 5291.778509][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5291.778509][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5291.778509][ T3767] ip6_route_add+0x1c/0x140 [ 5291.778509][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5291.778509][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5291.778509][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5291.778509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.778509][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.778509][ T3767] netlink_unicast+0x449/0x710 [ 5291.778509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.778509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.778509][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.778509][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.778509][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.778509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5291.778509][ T3767] [ 5291.780710][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5291.780710][ T3767] netdev_get_by_index+0x5e/0x80 [ 5291.780710][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5291.780710][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5291.780710][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5291.780710][ T3767] ipv6_add_addr+0x411/0x2000 [ 5291.780710][ T3767] inet6_addr_add+0x30e/0xa40 [ 5291.780710][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5291.780710][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.780710][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.780710][ T3767] netlink_unicast+0x449/0x710 [ 5291.780710][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.780710][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.780710][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.780710][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.780710][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.780710][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5291.780710][ T3767] [ 5291.782922][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5291.782922][ T3767] netdev_get_by_index+0x5e/0x80 [ 5291.782922][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5291.782922][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5291.782922][ T3767] ip6_route_add+0x1c/0x140 [ 5291.782922][ T3767] addrconf_add_mroute+0x129/0x180 [ 5291.782922][ T3767] addrconf_add_dev+0xe2/0x170 [ 5291.782922][ T3767] inet6_addr_add+0x12f/0xa40 [ 5291.782922][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5291.782922][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.782922][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.782922][ T3767] netlink_unicast+0x449/0x710 [ 5291.782922][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.782922][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.782922][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.782922][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.782922][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.782922][ T3767] [ 5291.785083][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5291.785083][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5291.785083][ T3767] ipv6_find_idev+0x102/0x170 [ 5291.785083][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5291.785083][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.785083][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.785083][ T3767] netlink_unicast+0x449/0x710 [ 5291.785083][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.785083][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.785083][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.785083][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.785083][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.785083][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5291.785083][ T3767] [ 5291.786776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5291.786776][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5291.786776][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5291.786776][ T3767] ipv6_find_idev+0x102/0x170 [ 5291.786776][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5291.786776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5291.786776][ T3767] netlink_rcv_skb+0x130/0x360 [ 5291.786776][ T3767] netlink_unicast+0x449/0x710 [ 5291.786776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5291.786776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5291.786776][ T3767] ___sys_sendmsg+0xee/0x170 [ 5291.786776][ T3767] __sys_sendmsg+0xcd/0x170 [ 5291.786776][ T3767] do_syscall_64+0xc6/0x1e0 [ 5291.786776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5291.786776][ T3767] [ 5301.911882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5301.912298][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5301.912298][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5301.912298][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5301.912298][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5301.912298][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5301.912298][ T3767] ip6_route_add+0x1c/0x140 [ 5301.912298][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5301.912298][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.912298][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.912298][ T3767] netlink_unicast+0x449/0x710 [ 5301.912298][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.912298][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.912298][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.912298][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.912298][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.912298][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5301.912298][ T3767] [ 5301.914404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5301.914404][ T3767] netdev_get_by_index+0x5e/0x80 [ 5301.914404][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5301.914404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5301.914404][ T3767] ip6_route_add+0x1c/0x140 [ 5301.914404][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5301.914404][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5301.914404][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5301.914404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.914404][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.914404][ T3767] netlink_unicast+0x449/0x710 [ 5301.914404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.914404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.914404][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.914404][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.914404][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.914404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5301.914404][ T3767] [ 5301.916642][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5301.916642][ T3767] netdev_get_by_index+0x5e/0x80 [ 5301.916642][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5301.916642][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5301.916642][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5301.916642][ T3767] ipv6_add_addr+0x411/0x2000 [ 5301.916642][ T3767] inet6_addr_add+0x30e/0xa40 [ 5301.916642][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5301.916642][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.916642][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.916642][ T3767] netlink_unicast+0x449/0x710 [ 5301.916642][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.916642][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.916642][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.916642][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.916642][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.916642][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5301.916642][ T3767] [ 5301.918853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5301.918853][ T3767] netdev_get_by_index+0x5e/0x80 [ 5301.918853][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5301.918853][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5301.918853][ T3767] ip6_route_add+0x1c/0x140 [ 5301.918853][ T3767] addrconf_add_mroute+0x129/0x180 [ 5301.918853][ T3767] addrconf_add_dev+0xe2/0x170 [ 5301.918853][ T3767] inet6_addr_add+0x12f/0xa40 [ 5301.918853][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5301.918853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.918853][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.918853][ T3767] netlink_unicast+0x449/0x710 [ 5301.918853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.918853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.918853][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.918853][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.918853][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.918853][ T3767] [ 5301.921157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5301.921157][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5301.921157][ T3767] ipv6_find_idev+0x102/0x170 [ 5301.921157][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5301.921157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.921157][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.921157][ T3767] netlink_unicast+0x449/0x710 [ 5301.921157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.921157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.921157][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.921157][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.921157][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.921157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5301.921157][ T3767] [ 5301.922871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5301.922871][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5301.922871][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5301.922871][ T3767] ipv6_find_idev+0x102/0x170 [ 5301.922871][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5301.922871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5301.922871][ T3767] netlink_rcv_skb+0x130/0x360 [ 5301.922871][ T3767] netlink_unicast+0x449/0x710 [ 5301.922871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5301.922871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5301.922871][ T3767] ___sys_sendmsg+0xee/0x170 [ 5301.922871][ T3767] __sys_sendmsg+0xcd/0x170 [ 5301.922871][ T3767] do_syscall_64+0xc6/0x1e0 [ 5301.922871][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5301.922871][ T3767] [ 5312.176015][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5312.176477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5312.176477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5312.176477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5312.176477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5312.176477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5312.176477][ T3767] ip6_route_add+0x1c/0x140 [ 5312.176477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5312.176477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.176477][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.176477][ T3767] netlink_unicast+0x449/0x710 [ 5312.176477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.176477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.176477][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.176477][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.176477][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.176477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5312.176477][ T3767] [ 5312.178547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5312.178547][ T3767] netdev_get_by_index+0x5e/0x80 [ 5312.178547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5312.178547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5312.178547][ T3767] ip6_route_add+0x1c/0x140 [ 5312.178547][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5312.178547][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5312.178547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5312.178547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.178547][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.178547][ T3767] netlink_unicast+0x449/0x710 [ 5312.178547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.178547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.178547][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.178547][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.178547][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.178547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5312.178547][ T3767] [ 5312.180731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5312.180731][ T3767] netdev_get_by_index+0x5e/0x80 [ 5312.180731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5312.180731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5312.180731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5312.180731][ T3767] ipv6_add_addr+0x411/0x2000 [ 5312.180731][ T3767] inet6_addr_add+0x30e/0xa40 [ 5312.180731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5312.180731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.180731][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.180731][ T3767] netlink_unicast+0x449/0x710 [ 5312.180731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.180731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.180731][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.180731][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.180731][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.180731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5312.180731][ T3767] [ 5312.182934][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5312.182934][ T3767] netdev_get_by_index+0x5e/0x80 [ 5312.182934][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5312.182934][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5312.182934][ T3767] ip6_route_add+0x1c/0x140 [ 5312.182934][ T3767] addrconf_add_mroute+0x129/0x180 [ 5312.182934][ T3767] addrconf_add_dev+0xe2/0x170 [ 5312.182934][ T3767] inet6_addr_add+0x12f/0xa40 [ 5312.182934][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5312.182934][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.182934][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.182934][ T3767] netlink_unicast+0x449/0x710 [ 5312.182934][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.182934][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.182934][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.182934][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.182934][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.182934][ T3767] [ 5312.185076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5312.185076][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5312.185076][ T3767] ipv6_find_idev+0x102/0x170 [ 5312.185076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5312.185076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.185076][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.185076][ T3767] netlink_unicast+0x449/0x710 [ 5312.185076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.185076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.185076][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.185076][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.185076][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.185076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5312.185076][ T3767] [ 5312.186753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5312.186753][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5312.186753][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5312.186753][ T3767] ipv6_find_idev+0x102/0x170 [ 5312.186753][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5312.186753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5312.186753][ T3767] netlink_rcv_skb+0x130/0x360 [ 5312.186753][ T3767] netlink_unicast+0x449/0x710 [ 5312.186753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5312.186753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5312.186753][ T3767] ___sys_sendmsg+0xee/0x170 [ 5312.186753][ T3767] __sys_sendmsg+0xcd/0x170 [ 5312.186753][ T3767] do_syscall_64+0xc6/0x1e0 [ 5312.186753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5312.186753][ T3767] [ 5322.439946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5322.440429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5322.440429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5322.440429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5322.440429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5322.440429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5322.440429][ T3767] ip6_route_add+0x1c/0x140 [ 5322.440429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5322.440429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.440429][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.440429][ T3767] netlink_unicast+0x449/0x710 [ 5322.440429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.440429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.440429][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.440429][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.440429][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.440429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5322.440429][ T3767] [ 5322.442550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5322.442550][ T3767] netdev_get_by_index+0x5e/0x80 [ 5322.442550][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5322.442550][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5322.442550][ T3767] ip6_route_add+0x1c/0x140 [ 5322.442550][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5322.442550][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5322.442550][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5322.442550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.442550][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.442550][ T3767] netlink_unicast+0x449/0x710 [ 5322.442550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.442550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.442550][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.442550][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.442550][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.442550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5322.442550][ T3767] [ 5322.444731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5322.444731][ T3767] netdev_get_by_index+0x5e/0x80 [ 5322.444731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5322.444731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5322.444731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5322.444731][ T3767] ipv6_add_addr+0x411/0x2000 [ 5322.444731][ T3767] inet6_addr_add+0x30e/0xa40 [ 5322.444731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5322.444731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.444731][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.444731][ T3767] netlink_unicast+0x449/0x710 [ 5322.444731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.444731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.444731][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.444731][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.444731][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.444731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5322.444731][ T3767] [ 5322.446946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5322.446946][ T3767] netdev_get_by_index+0x5e/0x80 [ 5322.446946][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5322.446946][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5322.446946][ T3767] ip6_route_add+0x1c/0x140 [ 5322.446946][ T3767] addrconf_add_mroute+0x129/0x180 [ 5322.446946][ T3767] addrconf_add_dev+0xe2/0x170 [ 5322.446946][ T3767] inet6_addr_add+0x12f/0xa40 [ 5322.446946][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5322.446946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.446946][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.446946][ T3767] netlink_unicast+0x449/0x710 [ 5322.446946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.446946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.446946][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.446946][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.446946][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.446946][ T3767] [ 5322.449108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5322.449108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5322.449108][ T3767] ipv6_find_idev+0x102/0x170 [ 5322.449108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5322.449108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.449108][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.449108][ T3767] netlink_unicast+0x449/0x710 [ 5322.449108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.449108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.449108][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.449108][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.449108][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.449108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5322.449108][ T3767] [ 5322.450805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5322.450805][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5322.450805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5322.450805][ T3767] ipv6_find_idev+0x102/0x170 [ 5322.450805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5322.450805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5322.450805][ T3767] netlink_rcv_skb+0x130/0x360 [ 5322.450805][ T3767] netlink_unicast+0x449/0x710 [ 5322.450805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5322.450805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5322.450805][ T3767] ___sys_sendmsg+0xee/0x170 [ 5322.450805][ T3767] __sys_sendmsg+0xcd/0x170 [ 5322.450805][ T3767] do_syscall_64+0xc6/0x1e0 [ 5322.450805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5322.450805][ T3767] [ 5332.703947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5332.704411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5332.704411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5332.704411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5332.704411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5332.704411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5332.704411][ T3767] ip6_route_add+0x1c/0x140 [ 5332.704411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5332.704411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.704411][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.704411][ T3767] netlink_unicast+0x449/0x710 [ 5332.704411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.704411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.704411][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.704411][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.704411][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.704411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5332.704411][ T3767] [ 5332.706487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5332.706487][ T3767] netdev_get_by_index+0x5e/0x80 [ 5332.706487][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5332.706487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5332.706487][ T3767] ip6_route_add+0x1c/0x140 [ 5332.706487][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5332.706487][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5332.706487][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5332.706487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.706487][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.706487][ T3767] netlink_unicast+0x449/0x710 [ 5332.706487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.706487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.706487][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.706487][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.706487][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.706487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5332.706487][ T3767] [ 5332.708667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5332.708667][ T3767] netdev_get_by_index+0x5e/0x80 [ 5332.708667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5332.708667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5332.708667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5332.708667][ T3767] ipv6_add_addr+0x411/0x2000 [ 5332.708667][ T3767] inet6_addr_add+0x30e/0xa40 [ 5332.708667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5332.708667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.708667][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.708667][ T3767] netlink_unicast+0x449/0x710 [ 5332.708667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.708667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.708667][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.708667][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.708667][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.708667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5332.708667][ T3767] [ 5332.710874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5332.710874][ T3767] netdev_get_by_index+0x5e/0x80 [ 5332.710874][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5332.710874][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5332.710874][ T3767] ip6_route_add+0x1c/0x140 [ 5332.710874][ T3767] addrconf_add_mroute+0x129/0x180 [ 5332.710874][ T3767] addrconf_add_dev+0xe2/0x170 [ 5332.710874][ T3767] inet6_addr_add+0x12f/0xa40 [ 5332.710874][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5332.710874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.710874][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.710874][ T3767] netlink_unicast+0x449/0x710 [ 5332.710874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.710874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.710874][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.710874][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.710874][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.710874][ T3767] [ 5332.713021][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5332.713021][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5332.713021][ T3767] ipv6_find_idev+0x102/0x170 [ 5332.713021][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5332.713021][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.713021][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.713021][ T3767] netlink_unicast+0x449/0x710 [ 5332.713021][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.713021][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.713021][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.713021][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.713021][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.713021][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5332.713021][ T3767] [ 5332.714696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5332.714696][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5332.714696][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5332.714696][ T3767] ipv6_find_idev+0x102/0x170 [ 5332.714696][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5332.714696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5332.714696][ T3767] netlink_rcv_skb+0x130/0x360 [ 5332.714696][ T3767] netlink_unicast+0x449/0x710 [ 5332.714696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5332.714696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5332.714696][ T3767] ___sys_sendmsg+0xee/0x170 [ 5332.714696][ T3767] __sys_sendmsg+0xcd/0x170 [ 5332.714696][ T3767] do_syscall_64+0xc6/0x1e0 [ 5332.714696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5332.714696][ T3767] [ 5342.967953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5342.968466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5342.968466][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5342.968466][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5342.968466][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5342.968466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5342.968466][ T3767] ip6_route_add+0x1c/0x140 [ 5342.968466][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5342.968466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.968466][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.968466][ T3767] netlink_unicast+0x449/0x710 [ 5342.968466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.968466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.968466][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.968466][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.968466][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.968466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.968466][ T3767] [ 5342.970793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5342.970793][ T3767] netdev_get_by_index+0x5e/0x80 [ 5342.970793][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5342.970793][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5342.970793][ T3767] ip6_route_add+0x1c/0x140 [ 5342.970793][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5342.970793][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5342.970793][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5342.970793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.970793][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.970793][ T3767] netlink_unicast+0x449/0x710 [ 5342.970793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.970793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.970793][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.970793][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.970793][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.970793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.970793][ T3767] [ 5342.973261][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5342.973261][ T3767] netdev_get_by_index+0x5e/0x80 [ 5342.973261][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5342.973261][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5342.973261][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5342.973261][ T3767] ipv6_add_addr+0x411/0x2000 [ 5342.973261][ T3767] inet6_addr_add+0x30e/0xa40 [ 5342.973261][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5342.973261][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.973261][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.973261][ T3767] netlink_unicast+0x449/0x710 [ 5342.973261][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.973261][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.973261][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.973261][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.973261][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.973261][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.973261][ T3767] [ 5342.975691][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5342.975691][ T3767] netdev_get_by_index+0x5e/0x80 [ 5342.975691][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5342.975691][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5342.975691][ T3767] ip6_route_add+0x1c/0x140 [ 5342.975691][ T3767] addrconf_add_mroute+0x129/0x180 [ 5342.975691][ T3767] addrconf_add_dev+0xe2/0x170 [ 5342.975691][ T3767] inet6_addr_add+0x12f/0xa40 [ 5342.975691][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5342.975691][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.975691][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.975691][ T3767] netlink_unicast+0x449/0x710 [ 5342.975691][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.975691][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.975691][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.975691][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.975691][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.975691][ T3767] [ 5342.978101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5342.978101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5342.978101][ T3767] ipv6_find_idev+0x102/0x170 [ 5342.978101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5342.978101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.978101][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.978101][ T3767] netlink_unicast+0x449/0x710 [ 5342.978101][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.978101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.978101][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.978101][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.978101][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.978101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.978101][ T3767] [ 5342.980001][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5342.980001][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5342.980001][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5342.980001][ T3767] ipv6_find_idev+0x102/0x170 [ 5342.980001][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5342.980001][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5342.980001][ T3767] netlink_rcv_skb+0x130/0x360 [ 5342.980001][ T3767] netlink_unicast+0x449/0x710 [ 5342.980001][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5342.980001][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5342.980001][ T3767] ___sys_sendmsg+0xee/0x170 [ 5342.980001][ T3767] __sys_sendmsg+0xcd/0x170 [ 5342.980001][ T3767] do_syscall_64+0xc6/0x1e0 [ 5342.980001][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5342.980001][ T3767] [ 5353.231878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5353.232422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5353.232422][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5353.232422][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5353.232422][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5353.232422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5353.232422][ T3767] ip6_route_add+0x1c/0x140 [ 5353.232422][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5353.232422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.232422][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.232422][ T3767] netlink_unicast+0x449/0x710 [ 5353.232422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.232422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.232422][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.232422][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.232422][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.232422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5353.232422][ T3767] [ 5353.234744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5353.234744][ T3767] netdev_get_by_index+0x5e/0x80 [ 5353.234744][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5353.234744][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5353.234744][ T3767] ip6_route_add+0x1c/0x140 [ 5353.234744][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5353.234744][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5353.234744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5353.234744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.234744][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.234744][ T3767] netlink_unicast+0x449/0x710 [ 5353.234744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.234744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.234744][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.234744][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.234744][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.234744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5353.234744][ T3767] [ 5353.237202][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5353.237202][ T3767] netdev_get_by_index+0x5e/0x80 [ 5353.237202][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5353.237202][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5353.237202][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5353.237202][ T3767] ipv6_add_addr+0x411/0x2000 [ 5353.237202][ T3767] inet6_addr_add+0x30e/0xa40 [ 5353.237202][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5353.237202][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.237202][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.237202][ T3767] netlink_unicast+0x449/0x710 [ 5353.237202][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.237202][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.237202][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.237202][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.237202][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.237202][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5353.237202][ T3767] [ 5353.239634][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5353.239634][ T3767] netdev_get_by_index+0x5e/0x80 [ 5353.239634][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5353.239634][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5353.239634][ T3767] ip6_route_add+0x1c/0x140 [ 5353.239634][ T3767] addrconf_add_mroute+0x129/0x180 [ 5353.239634][ T3767] addrconf_add_dev+0xe2/0x170 [ 5353.239634][ T3767] inet6_addr_add+0x12f/0xa40 [ 5353.239634][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5353.239634][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.239634][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.239634][ T3767] netlink_unicast+0x449/0x710 [ 5353.239634][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.239634][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.239634][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.239634][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.239634][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.239634][ T3767] [ 5353.242047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5353.242047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5353.242047][ T3767] ipv6_find_idev+0x102/0x170 [ 5353.242047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5353.242047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.242047][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.242047][ T3767] netlink_unicast+0x449/0x710 [ 5353.242047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.242047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.242047][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.242047][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.242047][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.242047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5353.242047][ T3767] [ 5353.243914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5353.243914][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5353.243914][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5353.243914][ T3767] ipv6_find_idev+0x102/0x170 [ 5353.243914][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5353.243914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5353.243914][ T3767] netlink_rcv_skb+0x130/0x360 [ 5353.243914][ T3767] netlink_unicast+0x449/0x710 [ 5353.243914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5353.243914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5353.243914][ T3767] ___sys_sendmsg+0xee/0x170 [ 5353.243914][ T3767] __sys_sendmsg+0xcd/0x170 [ 5353.243914][ T3767] do_syscall_64+0xc6/0x1e0 [ 5353.243914][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5353.243914][ T3767] [ 5363.495935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5363.496406][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5363.496406][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5363.496406][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5363.496406][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5363.496406][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5363.496406][ T3767] ip6_route_add+0x1c/0x140 [ 5363.496406][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5363.496406][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.496406][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.496406][ T3767] netlink_unicast+0x449/0x710 [ 5363.496406][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.496406][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.496406][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.496406][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.496406][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.496406][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5363.496406][ T3767] [ 5363.498745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5363.498745][ T3767] netdev_get_by_index+0x5e/0x80 [ 5363.498745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5363.498745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5363.498745][ T3767] ip6_route_add+0x1c/0x140 [ 5363.498745][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5363.498745][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5363.498745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5363.498745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.498745][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.498745][ T3767] netlink_unicast+0x449/0x710 [ 5363.498745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.498745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.498745][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.498745][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.498745][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.498745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5363.498745][ T3767] [ 5363.501187][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5363.501187][ T3767] netdev_get_by_index+0x5e/0x80 [ 5363.501187][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5363.501187][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5363.501187][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5363.501187][ T3767] ipv6_add_addr+0x411/0x2000 [ 5363.501187][ T3767] inet6_addr_add+0x30e/0xa40 [ 5363.501187][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5363.501187][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.501187][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.501187][ T3767] netlink_unicast+0x449/0x710 [ 5363.501187][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.501187][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.501187][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.501187][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.501187][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.501187][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5363.501187][ T3767] [ 5363.503638][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5363.503638][ T3767] netdev_get_by_index+0x5e/0x80 [ 5363.503638][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5363.503638][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5363.503638][ T3767] ip6_route_add+0x1c/0x140 [ 5363.503638][ T3767] addrconf_add_mroute+0x129/0x180 [ 5363.503638][ T3767] addrconf_add_dev+0xe2/0x170 [ 5363.503638][ T3767] inet6_addr_add+0x12f/0xa40 [ 5363.503638][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5363.503638][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.503638][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.503638][ T3767] netlink_unicast+0x449/0x710 [ 5363.503638][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.503638][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.503638][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.503638][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.503638][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.503638][ T3767] [ 5363.506054][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5363.506054][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5363.506054][ T3767] ipv6_find_idev+0x102/0x170 [ 5363.506054][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5363.506054][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.506054][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.506054][ T3767] netlink_unicast+0x449/0x710 [ 5363.506054][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.506054][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.506054][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.506054][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.506054][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.506054][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5363.506054][ T3767] [ 5363.507946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5363.507946][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5363.507946][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5363.507946][ T3767] ipv6_find_idev+0x102/0x170 [ 5363.507946][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5363.507946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5363.507946][ T3767] netlink_rcv_skb+0x130/0x360 [ 5363.507946][ T3767] netlink_unicast+0x449/0x710 [ 5363.507946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5363.507946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5363.507946][ T3767] ___sys_sendmsg+0xee/0x170 [ 5363.507946][ T3767] __sys_sendmsg+0xcd/0x170 [ 5363.507946][ T3767] do_syscall_64+0xc6/0x1e0 [ 5363.507946][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5363.507946][ T3767] [ 5373.751994][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5373.752423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5373.752423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5373.752423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5373.752423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5373.752423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5373.752423][ T3767] ip6_route_add+0x1c/0x140 [ 5373.752423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5373.752423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.752423][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.752423][ T3767] netlink_unicast+0x449/0x710 [ 5373.752423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.752423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.752423][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.752423][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.752423][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.752423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5373.752423][ T3767] [ 5373.754504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5373.754504][ T3767] netdev_get_by_index+0x5e/0x80 [ 5373.754504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5373.754504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5373.754504][ T3767] ip6_route_add+0x1c/0x140 [ 5373.754504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5373.754504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5373.754504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5373.754504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.754504][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.754504][ T3767] netlink_unicast+0x449/0x710 [ 5373.754504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.754504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.754504][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.754504][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.754504][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.754504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5373.754504][ T3767] [ 5373.756690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5373.756690][ T3767] netdev_get_by_index+0x5e/0x80 [ 5373.756690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5373.756690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5373.756690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5373.756690][ T3767] ipv6_add_addr+0x411/0x2000 [ 5373.756690][ T3767] inet6_addr_add+0x30e/0xa40 [ 5373.756690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5373.756690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.756690][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.756690][ T3767] netlink_unicast+0x449/0x710 [ 5373.756690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.756690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.756690][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.756690][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.756690][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.756690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5373.756690][ T3767] [ 5373.758874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5373.758874][ T3767] netdev_get_by_index+0x5e/0x80 [ 5373.758874][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5373.758874][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5373.758874][ T3767] ip6_route_add+0x1c/0x140 [ 5373.758874][ T3767] addrconf_add_mroute+0x129/0x180 [ 5373.758874][ T3767] addrconf_add_dev+0xe2/0x170 [ 5373.758874][ T3767] inet6_addr_add+0x12f/0xa40 [ 5373.758874][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5373.758874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.758874][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.758874][ T3767] netlink_unicast+0x449/0x710 [ 5373.758874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.758874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.758874][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.758874][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.758874][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.758874][ T3767] [ 5373.761016][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5373.761016][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5373.761016][ T3767] ipv6_find_idev+0x102/0x170 [ 5373.761016][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5373.761016][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.761016][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.761016][ T3767] netlink_unicast+0x449/0x710 [ 5373.761016][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.761016][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.761016][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.761016][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.761016][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.761016][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5373.761016][ T3767] [ 5373.762701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5373.762701][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5373.762701][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5373.762701][ T3767] ipv6_find_idev+0x102/0x170 [ 5373.762701][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5373.762701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5373.762701][ T3767] netlink_rcv_skb+0x130/0x360 [ 5373.762701][ T3767] netlink_unicast+0x449/0x710 [ 5373.762701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5373.762701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5373.762701][ T3767] ___sys_sendmsg+0xee/0x170 [ 5373.762701][ T3767] __sys_sendmsg+0xcd/0x170 [ 5373.762701][ T3767] do_syscall_64+0xc6/0x1e0 [ 5373.762701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5373.762701][ T3767] [ 5384.015932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5384.016397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5384.016397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5384.016397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5384.016397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5384.016397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5384.016397][ T3767] ip6_route_add+0x1c/0x140 [ 5384.016397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5384.016397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.016397][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.016397][ T3767] netlink_unicast+0x449/0x710 [ 5384.016397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.016397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.016397][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.016397][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.016397][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.016397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.016397][ T3767] [ 5384.018465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5384.018465][ T3767] netdev_get_by_index+0x5e/0x80 [ 5384.018465][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5384.018465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5384.018465][ T3767] ip6_route_add+0x1c/0x140 [ 5384.018465][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5384.018465][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5384.018465][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.018465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.018465][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.018465][ T3767] netlink_unicast+0x449/0x710 [ 5384.018465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.018465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.018465][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.018465][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.018465][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.018465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.018465][ T3767] [ 5384.020657][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5384.020657][ T3767] netdev_get_by_index+0x5e/0x80 [ 5384.020657][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5384.020657][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5384.020657][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5384.020657][ T3767] ipv6_add_addr+0x411/0x2000 [ 5384.020657][ T3767] inet6_addr_add+0x30e/0xa40 [ 5384.020657][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.020657][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.020657][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.020657][ T3767] netlink_unicast+0x449/0x710 [ 5384.020657][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.020657][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.020657][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.020657][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.020657][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.020657][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.020657][ T3767] [ 5384.022855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5384.022855][ T3767] netdev_get_by_index+0x5e/0x80 [ 5384.022855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5384.022855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5384.022855][ T3767] ip6_route_add+0x1c/0x140 [ 5384.022855][ T3767] addrconf_add_mroute+0x129/0x180 [ 5384.022855][ T3767] addrconf_add_dev+0xe2/0x170 [ 5384.022855][ T3767] inet6_addr_add+0x12f/0xa40 [ 5384.022855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5384.022855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.022855][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.022855][ T3767] netlink_unicast+0x449/0x710 [ 5384.022855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.022855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.022855][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.022855][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.022855][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.022855][ T3767] [ 5384.025007][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5384.025007][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5384.025007][ T3767] ipv6_find_idev+0x102/0x170 [ 5384.025007][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5384.025007][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.025007][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.025007][ T3767] netlink_unicast+0x449/0x710 [ 5384.025007][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.025007][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.025007][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.025007][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.025007][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.025007][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.025007][ T3767] [ 5384.026685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5384.026685][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5384.026685][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5384.026685][ T3767] ipv6_find_idev+0x102/0x170 [ 5384.026685][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5384.026685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5384.026685][ T3767] netlink_rcv_skb+0x130/0x360 [ 5384.026685][ T3767] netlink_unicast+0x449/0x710 [ 5384.026685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5384.026685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5384.026685][ T3767] ___sys_sendmsg+0xee/0x170 [ 5384.026685][ T3767] __sys_sendmsg+0xcd/0x170 [ 5384.026685][ T3767] do_syscall_64+0xc6/0x1e0 [ 5384.026685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5384.026685][ T3767] [ 5394.279945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5394.280403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5394.280403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5394.280403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5394.280403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5394.280403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5394.280403][ T3767] ip6_route_add+0x1c/0x140 [ 5394.280403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5394.280403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.280403][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.280403][ T3767] netlink_unicast+0x449/0x710 [ 5394.280403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.280403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.280403][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.280403][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.280403][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.280403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5394.280403][ T3767] [ 5394.282492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5394.282492][ T3767] netdev_get_by_index+0x5e/0x80 [ 5394.282492][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5394.282492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5394.282492][ T3767] ip6_route_add+0x1c/0x140 [ 5394.282492][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5394.282492][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5394.282492][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5394.282492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.282492][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.282492][ T3767] netlink_unicast+0x449/0x710 [ 5394.282492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.282492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.282492][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.282492][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.282492][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.282492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5394.282492][ T3767] [ 5394.284676][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5394.284676][ T3767] netdev_get_by_index+0x5e/0x80 [ 5394.284676][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5394.284676][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5394.284676][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5394.284676][ T3767] ipv6_add_addr+0x411/0x2000 [ 5394.284676][ T3767] inet6_addr_add+0x30e/0xa40 [ 5394.284676][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5394.284676][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.284676][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.284676][ T3767] netlink_unicast+0x449/0x710 [ 5394.284676][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.284676][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.284676][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.284676][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.284676][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.284676][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5394.284676][ T3767] [ 5394.287342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5394.287342][ T3767] netdev_get_by_index+0x5e/0x80 [ 5394.287342][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5394.287342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5394.287342][ T3767] ip6_route_add+0x1c/0x140 [ 5394.287342][ T3767] addrconf_add_mroute+0x129/0x180 [ 5394.287342][ T3767] addrconf_add_dev+0xe2/0x170 [ 5394.287342][ T3767] inet6_addr_add+0x12f/0xa40 [ 5394.287342][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5394.287342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.287342][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.287342][ T3767] netlink_unicast+0x449/0x710 [ 5394.287342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.287342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.287342][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.287342][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.287342][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.287342][ T3767] [ 5394.289513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5394.289513][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5394.289513][ T3767] ipv6_find_idev+0x102/0x170 [ 5394.289513][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5394.289513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.289513][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.289513][ T3767] netlink_unicast+0x449/0x710 [ 5394.289513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.289513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.289513][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.289513][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.289513][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.289513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5394.289513][ T3767] [ 5394.291193][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5394.291193][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5394.291193][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5394.291193][ T3767] ipv6_find_idev+0x102/0x170 [ 5394.291193][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5394.291193][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5394.291193][ T3767] netlink_rcv_skb+0x130/0x360 [ 5394.291193][ T3767] netlink_unicast+0x449/0x710 [ 5394.291193][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5394.291193][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5394.291193][ T3767] ___sys_sendmsg+0xee/0x170 [ 5394.291193][ T3767] __sys_sendmsg+0xcd/0x170 [ 5394.291193][ T3767] do_syscall_64+0xc6/0x1e0 [ 5394.291193][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5394.291193][ T3767] [ 5404.543940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5404.544351][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5404.544351][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5404.544351][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5404.544351][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5404.544351][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5404.544351][ T3767] ip6_route_add+0x1c/0x140 [ 5404.544351][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5404.544351][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.544351][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.544351][ T3767] netlink_unicast+0x449/0x710 [ 5404.544351][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.544351][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.544351][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.544351][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.544351][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.544351][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5404.544351][ T3767] [ 5404.546417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5404.546417][ T3767] netdev_get_by_index+0x5e/0x80 [ 5404.546417][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5404.546417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5404.546417][ T3767] ip6_route_add+0x1c/0x140 [ 5404.546417][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5404.546417][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5404.546417][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5404.546417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.546417][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.546417][ T3767] netlink_unicast+0x449/0x710 [ 5404.546417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.546417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.546417][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.546417][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.546417][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.546417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5404.546417][ T3767] [ 5404.548597][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5404.548597][ T3767] netdev_get_by_index+0x5e/0x80 [ 5404.548597][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5404.548597][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5404.548597][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5404.548597][ T3767] ipv6_add_addr+0x411/0x2000 [ 5404.548597][ T3767] inet6_addr_add+0x30e/0xa40 [ 5404.548597][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5404.548597][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.548597][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.548597][ T3767] netlink_unicast+0x449/0x710 [ 5404.548597][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.548597][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.548597][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.548597][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.548597][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.548597][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5404.548597][ T3767] [ 5404.550776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5404.550776][ T3767] netdev_get_by_index+0x5e/0x80 [ 5404.550776][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5404.550776][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5404.550776][ T3767] ip6_route_add+0x1c/0x140 [ 5404.550776][ T3767] addrconf_add_mroute+0x129/0x180 [ 5404.550776][ T3767] addrconf_add_dev+0xe2/0x170 [ 5404.550776][ T3767] inet6_addr_add+0x12f/0xa40 [ 5404.550776][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5404.550776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.550776][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.550776][ T3767] netlink_unicast+0x449/0x710 [ 5404.550776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.550776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.550776][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.550776][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.550776][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.550776][ T3767] [ 5404.552921][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5404.552921][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5404.552921][ T3767] ipv6_find_idev+0x102/0x170 [ 5404.552921][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5404.552921][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.552921][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.552921][ T3767] netlink_unicast+0x449/0x710 [ 5404.552921][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.552921][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.552921][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.552921][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.552921][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.552921][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5404.552921][ T3767] [ 5404.554606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5404.554606][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5404.554606][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5404.554606][ T3767] ipv6_find_idev+0x102/0x170 [ 5404.554606][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5404.554606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5404.554606][ T3767] netlink_rcv_skb+0x130/0x360 [ 5404.554606][ T3767] netlink_unicast+0x449/0x710 [ 5404.554606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5404.554606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5404.554606][ T3767] ___sys_sendmsg+0xee/0x170 [ 5404.554606][ T3767] __sys_sendmsg+0xcd/0x170 [ 5404.554606][ T3767] do_syscall_64+0xc6/0x1e0 [ 5404.554606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5404.554606][ T3767] [ 5414.807933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5414.808358][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5414.808358][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5414.808358][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5414.808358][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5414.808358][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5414.808358][ T3767] ip6_route_add+0x1c/0x140 [ 5414.808358][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5414.808358][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.808358][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.808358][ T3767] netlink_unicast+0x449/0x710 [ 5414.808358][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.808358][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.808358][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.808358][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.808358][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.808358][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5414.808358][ T3767] [ 5414.810454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5414.810454][ T3767] netdev_get_by_index+0x5e/0x80 [ 5414.810454][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5414.810454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5414.810454][ T3767] ip6_route_add+0x1c/0x140 [ 5414.810454][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5414.810454][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5414.810454][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5414.810454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.810454][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.810454][ T3767] netlink_unicast+0x449/0x710 [ 5414.810454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.810454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.810454][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.810454][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.810454][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.810454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5414.810454][ T3767] [ 5414.812668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5414.812668][ T3767] netdev_get_by_index+0x5e/0x80 [ 5414.812668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5414.812668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5414.812668][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5414.812668][ T3767] ipv6_add_addr+0x411/0x2000 [ 5414.812668][ T3767] inet6_addr_add+0x30e/0xa40 [ 5414.812668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5414.812668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.812668][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.812668][ T3767] netlink_unicast+0x449/0x710 [ 5414.812668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.812668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.812668][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.812668][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.812668][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.812668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5414.812668][ T3767] [ 5414.814870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5414.814870][ T3767] netdev_get_by_index+0x5e/0x80 [ 5414.814870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5414.814870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5414.814870][ T3767] ip6_route_add+0x1c/0x140 [ 5414.814870][ T3767] addrconf_add_mroute+0x129/0x180 [ 5414.814870][ T3767] addrconf_add_dev+0xe2/0x170 [ 5414.814870][ T3767] inet6_addr_add+0x12f/0xa40 [ 5414.814870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5414.814870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.814870][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.814870][ T3767] netlink_unicast+0x449/0x710 [ 5414.814870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.814870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.814870][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.814870][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.814870][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.814870][ T3767] [ 5414.817035][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5414.817035][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5414.817035][ T3767] ipv6_find_idev+0x102/0x170 [ 5414.817035][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5414.817035][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.817035][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.817035][ T3767] netlink_unicast+0x449/0x710 [ 5414.817035][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.817035][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.817035][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.817035][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.817035][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.817035][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5414.817035][ T3767] [ 5414.818728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5414.818728][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5414.818728][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5414.818728][ T3767] ipv6_find_idev+0x102/0x170 [ 5414.818728][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5414.818728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5414.818728][ T3767] netlink_rcv_skb+0x130/0x360 [ 5414.818728][ T3767] netlink_unicast+0x449/0x710 [ 5414.818728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5414.818728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5414.818728][ T3767] ___sys_sendmsg+0xee/0x170 [ 5414.818728][ T3767] __sys_sendmsg+0xcd/0x170 [ 5414.818728][ T3767] do_syscall_64+0xc6/0x1e0 [ 5414.818728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5414.818728][ T3767] [ 5425.071937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5425.072431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5425.072431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5425.072431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5425.072431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5425.072431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5425.072431][ T3767] ip6_route_add+0x1c/0x140 [ 5425.072431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5425.072431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.072431][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.072431][ T3767] netlink_unicast+0x449/0x710 [ 5425.072431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.072431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.072431][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.072431][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.072431][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.072431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.072431][ T3767] [ 5425.074523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5425.074523][ T3767] netdev_get_by_index+0x5e/0x80 [ 5425.074523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5425.074523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5425.074523][ T3767] ip6_route_add+0x1c/0x140 [ 5425.074523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5425.074523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5425.074523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.074523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.074523][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.074523][ T3767] netlink_unicast+0x449/0x710 [ 5425.074523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.074523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.074523][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.074523][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.074523][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.074523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.074523][ T3767] [ 5425.076748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5425.076748][ T3767] netdev_get_by_index+0x5e/0x80 [ 5425.076748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5425.076748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5425.076748][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5425.076748][ T3767] ipv6_add_addr+0x411/0x2000 [ 5425.076748][ T3767] inet6_addr_add+0x30e/0xa40 [ 5425.076748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.076748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.076748][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.076748][ T3767] netlink_unicast+0x449/0x710 [ 5425.076748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.076748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.076748][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.076748][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.076748][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.076748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.076748][ T3767] [ 5425.078949][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5425.078949][ T3767] netdev_get_by_index+0x5e/0x80 [ 5425.078949][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5425.078949][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5425.078949][ T3767] ip6_route_add+0x1c/0x140 [ 5425.078949][ T3767] addrconf_add_mroute+0x129/0x180 [ 5425.078949][ T3767] addrconf_add_dev+0xe2/0x170 [ 5425.078949][ T3767] inet6_addr_add+0x12f/0xa40 [ 5425.078949][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5425.078949][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.078949][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.078949][ T3767] netlink_unicast+0x449/0x710 [ 5425.078949][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.078949][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.078949][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.078949][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.078949][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.078949][ T3767] [ 5425.081130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5425.081130][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5425.081130][ T3767] ipv6_find_idev+0x102/0x170 [ 5425.081130][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5425.081130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.081130][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.081130][ T3767] netlink_unicast+0x449/0x710 [ 5425.081130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.081130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.081130][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.081130][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.081130][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.081130][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.081130][ T3767] [ 5425.082826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5425.082826][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5425.082826][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5425.082826][ T3767] ipv6_find_idev+0x102/0x170 [ 5425.082826][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5425.082826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5425.082826][ T3767] netlink_rcv_skb+0x130/0x360 [ 5425.082826][ T3767] netlink_unicast+0x449/0x710 [ 5425.082826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5425.082826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5425.082826][ T3767] ___sys_sendmsg+0xee/0x170 [ 5425.082826][ T3767] __sys_sendmsg+0xcd/0x170 [ 5425.082826][ T3767] do_syscall_64+0xc6/0x1e0 [ 5425.082826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5425.082826][ T3767] [ 5435.335957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5435.336444][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5435.336444][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5435.336444][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5435.336444][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5435.336444][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5435.336444][ T3767] ip6_route_add+0x1c/0x140 [ 5435.336444][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5435.336444][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.336444][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.336444][ T3767] netlink_unicast+0x449/0x710 [ 5435.336444][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.336444][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.336444][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.336444][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.336444][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.336444][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5435.336444][ T3767] [ 5435.338541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5435.338541][ T3767] netdev_get_by_index+0x5e/0x80 [ 5435.338541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5435.338541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5435.338541][ T3767] ip6_route_add+0x1c/0x140 [ 5435.338541][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5435.338541][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5435.338541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5435.338541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.338541][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.338541][ T3767] netlink_unicast+0x449/0x710 [ 5435.338541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.338541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.338541][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.338541][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.338541][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.338541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5435.338541][ T3767] [ 5435.340754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5435.340754][ T3767] netdev_get_by_index+0x5e/0x80 [ 5435.340754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5435.340754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5435.340754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5435.340754][ T3767] ipv6_add_addr+0x411/0x2000 [ 5435.340754][ T3767] inet6_addr_add+0x30e/0xa40 [ 5435.340754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5435.340754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.340754][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.340754][ T3767] netlink_unicast+0x449/0x710 [ 5435.340754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.340754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.340754][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.340754][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.340754][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.340754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5435.340754][ T3767] [ 5435.343084][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5435.343084][ T3767] netdev_get_by_index+0x5e/0x80 [ 5435.343084][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5435.343084][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5435.343084][ T3767] ip6_route_add+0x1c/0x140 [ 5435.343084][ T3767] addrconf_add_mroute+0x129/0x180 [ 5435.343084][ T3767] addrconf_add_dev+0xe2/0x170 [ 5435.343084][ T3767] inet6_addr_add+0x12f/0xa40 [ 5435.343084][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5435.343084][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.343084][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.343084][ T3767] netlink_unicast+0x449/0x710 [ 5435.343084][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.343084][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.343084][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.343084][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.343084][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.343084][ T3767] [ 5435.345251][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5435.345251][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5435.345251][ T3767] ipv6_find_idev+0x102/0x170 [ 5435.345251][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5435.345251][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.345251][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.345251][ T3767] netlink_unicast+0x449/0x710 [ 5435.345251][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.345251][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.345251][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.345251][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.345251][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.345251][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5435.345251][ T3767] [ 5435.346946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5435.346946][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5435.346946][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5435.346946][ T3767] ipv6_find_idev+0x102/0x170 [ 5435.346946][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5435.346946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5435.346946][ T3767] netlink_rcv_skb+0x130/0x360 [ 5435.346946][ T3767] netlink_unicast+0x449/0x710 [ 5435.346946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5435.346946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5435.346946][ T3767] ___sys_sendmsg+0xee/0x170 [ 5435.346946][ T3767] __sys_sendmsg+0xcd/0x170 [ 5435.346946][ T3767] do_syscall_64+0xc6/0x1e0 [ 5435.346946][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5435.346946][ T3767] [ 5445.599947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5445.600414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5445.600414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5445.600414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5445.600414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5445.600414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5445.600414][ T3767] ip6_route_add+0x1c/0x140 [ 5445.600414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5445.600414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.600414][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.600414][ T3767] netlink_unicast+0x449/0x710 [ 5445.600414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.600414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.600414][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.600414][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.600414][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.600414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5445.600414][ T3767] [ 5445.602586][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5445.602586][ T3767] netdev_get_by_index+0x5e/0x80 [ 5445.602586][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5445.602586][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5445.602586][ T3767] ip6_route_add+0x1c/0x140 [ 5445.602586][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5445.602586][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5445.602586][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5445.602586][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.602586][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.602586][ T3767] netlink_unicast+0x449/0x710 [ 5445.602586][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.602586][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.602586][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.602586][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.602586][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.602586][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5445.602586][ T3767] [ 5445.604770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5445.604770][ T3767] netdev_get_by_index+0x5e/0x80 [ 5445.604770][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5445.604770][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5445.604770][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5445.604770][ T3767] ipv6_add_addr+0x411/0x2000 [ 5445.604770][ T3767] inet6_addr_add+0x30e/0xa40 [ 5445.604770][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5445.604770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.604770][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.604770][ T3767] netlink_unicast+0x449/0x710 [ 5445.604770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.604770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.604770][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.604770][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.604770][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.604770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5445.604770][ T3767] [ 5445.606955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5445.606955][ T3767] netdev_get_by_index+0x5e/0x80 [ 5445.606955][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5445.606955][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5445.606955][ T3767] ip6_route_add+0x1c/0x140 [ 5445.606955][ T3767] addrconf_add_mroute+0x129/0x180 [ 5445.606955][ T3767] addrconf_add_dev+0xe2/0x170 [ 5445.606955][ T3767] inet6_addr_add+0x12f/0xa40 [ 5445.606955][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5445.606955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.606955][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.606955][ T3767] netlink_unicast+0x449/0x710 [ 5445.606955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.606955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.606955][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.606955][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.606955][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.606955][ T3767] [ 5445.609103][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5445.609103][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5445.609103][ T3767] ipv6_find_idev+0x102/0x170 [ 5445.609103][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5445.609103][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.609103][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.609103][ T3767] netlink_unicast+0x449/0x710 [ 5445.609103][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.609103][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.609103][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.609103][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.609103][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.609103][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5445.609103][ T3767] [ 5445.610781][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5445.610781][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5445.610781][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5445.610781][ T3767] ipv6_find_idev+0x102/0x170 [ 5445.610781][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5445.610781][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5445.610781][ T3767] netlink_rcv_skb+0x130/0x360 [ 5445.610781][ T3767] netlink_unicast+0x449/0x710 [ 5445.610781][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5445.610781][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5445.610781][ T3767] ___sys_sendmsg+0xee/0x170 [ 5445.610781][ T3767] __sys_sendmsg+0xcd/0x170 [ 5445.610781][ T3767] do_syscall_64+0xc6/0x1e0 [ 5445.610781][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5445.610781][ T3767] [ 5455.863950][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5455.864416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5455.864416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5455.864416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5455.864416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5455.864416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5455.864416][ T3767] ip6_route_add+0x1c/0x140 [ 5455.864416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5455.864416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.864416][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.864416][ T3767] netlink_unicast+0x449/0x710 [ 5455.864416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.864416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.864416][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.864416][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.864416][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.864416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5455.864416][ T3767] [ 5455.866491][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5455.866491][ T3767] netdev_get_by_index+0x5e/0x80 [ 5455.866491][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5455.866491][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5455.866491][ T3767] ip6_route_add+0x1c/0x140 [ 5455.866491][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5455.866491][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5455.866491][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5455.866491][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.866491][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.866491][ T3767] netlink_unicast+0x449/0x710 [ 5455.866491][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.866491][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.866491][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.866491][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.866491][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.866491][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5455.866491][ T3767] [ 5455.868690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5455.868690][ T3767] netdev_get_by_index+0x5e/0x80 [ 5455.868690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5455.868690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5455.868690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5455.868690][ T3767] ipv6_add_addr+0x411/0x2000 [ 5455.868690][ T3767] inet6_addr_add+0x30e/0xa40 [ 5455.868690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5455.868690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.868690][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.868690][ T3767] netlink_unicast+0x449/0x710 [ 5455.868690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.868690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.868690][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.868690][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.868690][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.868690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5455.868690][ T3767] [ 5455.870897][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5455.870897][ T3767] netdev_get_by_index+0x5e/0x80 [ 5455.870897][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5455.870897][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5455.870897][ T3767] ip6_route_add+0x1c/0x140 [ 5455.870897][ T3767] addrconf_add_mroute+0x129/0x180 [ 5455.870897][ T3767] addrconf_add_dev+0xe2/0x170 [ 5455.870897][ T3767] inet6_addr_add+0x12f/0xa40 [ 5455.870897][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5455.870897][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.870897][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.870897][ T3767] netlink_unicast+0x449/0x710 [ 5455.870897][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.870897][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.870897][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.870897][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.870897][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.870897][ T3767] [ 5455.873058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5455.873058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5455.873058][ T3767] ipv6_find_idev+0x102/0x170 [ 5455.873058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5455.873058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.873058][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.873058][ T3767] netlink_unicast+0x449/0x710 [ 5455.873058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.873058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.873058][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.873058][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.873058][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.873058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5455.873058][ T3767] [ 5455.874756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5455.874756][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5455.874756][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5455.874756][ T3767] ipv6_find_idev+0x102/0x170 [ 5455.874756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5455.874756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5455.874756][ T3767] netlink_rcv_skb+0x130/0x360 [ 5455.874756][ T3767] netlink_unicast+0x449/0x710 [ 5455.874756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5455.874756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5455.874756][ T3767] ___sys_sendmsg+0xee/0x170 [ 5455.874756][ T3767] __sys_sendmsg+0xcd/0x170 [ 5455.874756][ T3767] do_syscall_64+0xc6/0x1e0 [ 5455.874756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5455.874756][ T3767] [ 5466.127975][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5466.128463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5466.128463][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5466.128463][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5466.128463][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5466.128463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5466.128463][ T3767] ip6_route_add+0x1c/0x140 [ 5466.128463][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5466.128463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.128463][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.128463][ T3767] netlink_unicast+0x449/0x710 [ 5466.128463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.128463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.128463][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.128463][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.128463][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.128463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.128463][ T3767] [ 5466.130541][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5466.130541][ T3767] netdev_get_by_index+0x5e/0x80 [ 5466.130541][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5466.130541][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5466.130541][ T3767] ip6_route_add+0x1c/0x140 [ 5466.130541][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5466.130541][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5466.130541][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.130541][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.130541][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.130541][ T3767] netlink_unicast+0x449/0x710 [ 5466.130541][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.130541][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.130541][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.130541][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.130541][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.130541][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.130541][ T3767] [ 5466.132733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5466.132733][ T3767] netdev_get_by_index+0x5e/0x80 [ 5466.132733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5466.132733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5466.132733][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5466.132733][ T3767] ipv6_add_addr+0x411/0x2000 [ 5466.132733][ T3767] inet6_addr_add+0x30e/0xa40 [ 5466.132733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.132733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.132733][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.132733][ T3767] netlink_unicast+0x449/0x710 [ 5466.132733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.132733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.132733][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.132733][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.132733][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.132733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.132733][ T3767] [ 5466.134906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5466.134906][ T3767] netdev_get_by_index+0x5e/0x80 [ 5466.134906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5466.134906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5466.134906][ T3767] ip6_route_add+0x1c/0x140 [ 5466.134906][ T3767] addrconf_add_mroute+0x129/0x180 [ 5466.134906][ T3767] addrconf_add_dev+0xe2/0x170 [ 5466.134906][ T3767] inet6_addr_add+0x12f/0xa40 [ 5466.134906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5466.134906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.134906][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.134906][ T3767] netlink_unicast+0x449/0x710 [ 5466.134906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.134906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.134906][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.134906][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.134906][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.134906][ T3767] [ 5466.137047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5466.137047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5466.137047][ T3767] ipv6_find_idev+0x102/0x170 [ 5466.137047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5466.137047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.137047][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.137047][ T3767] netlink_unicast+0x449/0x710 [ 5466.137047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.137047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.137047][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.137047][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.137047][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.137047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.137047][ T3767] [ 5466.138721][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5466.138721][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5466.138721][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5466.138721][ T3767] ipv6_find_idev+0x102/0x170 [ 5466.138721][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5466.138721][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5466.138721][ T3767] netlink_rcv_skb+0x130/0x360 [ 5466.138721][ T3767] netlink_unicast+0x449/0x710 [ 5466.138721][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5466.138721][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5466.138721][ T3767] ___sys_sendmsg+0xee/0x170 [ 5466.138721][ T3767] __sys_sendmsg+0xcd/0x170 [ 5466.138721][ T3767] do_syscall_64+0xc6/0x1e0 [ 5466.138721][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5466.138721][ T3767] [ 5476.415949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5476.416483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5476.416483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5476.416483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5476.416483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5476.416483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5476.416483][ T3767] ip6_route_add+0x1c/0x140 [ 5476.416483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5476.416483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.416483][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.416483][ T3767] netlink_unicast+0x449/0x710 [ 5476.416483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.416483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.416483][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.416483][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.416483][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.416483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.416483][ T3767] [ 5476.418837][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5476.418837][ T3767] netdev_get_by_index+0x5e/0x80 [ 5476.418837][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5476.418837][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5476.418837][ T3767] ip6_route_add+0x1c/0x140 [ 5476.418837][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5476.418837][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5476.418837][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.418837][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.418837][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.418837][ T3767] netlink_unicast+0x449/0x710 [ 5476.418837][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.418837][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.418837][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.418837][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.418837][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.418837][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.418837][ T3767] [ 5476.421276][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5476.421276][ T3767] netdev_get_by_index+0x5e/0x80 [ 5476.421276][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5476.421276][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5476.421276][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5476.421276][ T3767] ipv6_add_addr+0x411/0x2000 [ 5476.421276][ T3767] inet6_addr_add+0x30e/0xa40 [ 5476.421276][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.421276][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.421276][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.421276][ T3767] netlink_unicast+0x449/0x710 [ 5476.421276][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.421276][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.421276][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.421276][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.421276][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.421276][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.421276][ T3767] [ 5476.423739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5476.423739][ T3767] netdev_get_by_index+0x5e/0x80 [ 5476.423739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5476.423739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5476.423739][ T3767] ip6_route_add+0x1c/0x140 [ 5476.423739][ T3767] addrconf_add_mroute+0x129/0x180 [ 5476.423739][ T3767] addrconf_add_dev+0xe2/0x170 [ 5476.423739][ T3767] inet6_addr_add+0x12f/0xa40 [ 5476.423739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5476.423739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.423739][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.423739][ T3767] netlink_unicast+0x449/0x710 [ 5476.423739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.423739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.423739][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.423739][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.423739][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.423739][ T3767] [ 5476.426150][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5476.426150][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5476.426150][ T3767] ipv6_find_idev+0x102/0x170 [ 5476.426150][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5476.426150][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.426150][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.426150][ T3767] netlink_unicast+0x449/0x710 [ 5476.426150][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.426150][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.426150][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.426150][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.426150][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.426150][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.426150][ T3767] [ 5476.428157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5476.428157][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5476.428157][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5476.428157][ T3767] ipv6_find_idev+0x102/0x170 [ 5476.428157][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5476.428157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5476.428157][ T3767] netlink_rcv_skb+0x130/0x360 [ 5476.428157][ T3767] netlink_unicast+0x449/0x710 [ 5476.428157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5476.428157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5476.428157][ T3767] ___sys_sendmsg+0xee/0x170 [ 5476.428157][ T3767] __sys_sendmsg+0xcd/0x170 [ 5476.428157][ T3767] do_syscall_64+0xc6/0x1e0 [ 5476.428157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5476.428157][ T3767] [ 5486.671933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5486.672446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5486.672446][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5486.672446][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5486.672446][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5486.672446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5486.672446][ T3767] ip6_route_add+0x1c/0x140 [ 5486.672446][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5486.672446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.672446][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.672446][ T3767] netlink_unicast+0x449/0x710 [ 5486.672446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.672446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.672446][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.672446][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.672446][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.672446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.672446][ T3767] [ 5486.674767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5486.674767][ T3767] netdev_get_by_index+0x5e/0x80 [ 5486.674767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5486.674767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5486.674767][ T3767] ip6_route_add+0x1c/0x140 [ 5486.674767][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5486.674767][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5486.674767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.674767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.674767][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.674767][ T3767] netlink_unicast+0x449/0x710 [ 5486.674767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.674767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.674767][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.674767][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.674767][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.674767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.674767][ T3767] [ 5486.677215][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5486.677215][ T3767] netdev_get_by_index+0x5e/0x80 [ 5486.677215][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5486.677215][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5486.677215][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5486.677215][ T3767] ipv6_add_addr+0x411/0x2000 [ 5486.677215][ T3767] inet6_addr_add+0x30e/0xa40 [ 5486.677215][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.677215][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.677215][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.677215][ T3767] netlink_unicast+0x449/0x710 [ 5486.677215][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.677215][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.677215][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.677215][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.677215][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.677215][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.677215][ T3767] [ 5486.679668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5486.679668][ T3767] netdev_get_by_index+0x5e/0x80 [ 5486.679668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5486.679668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5486.679668][ T3767] ip6_route_add+0x1c/0x140 [ 5486.679668][ T3767] addrconf_add_mroute+0x129/0x180 [ 5486.679668][ T3767] addrconf_add_dev+0xe2/0x170 [ 5486.679668][ T3767] inet6_addr_add+0x12f/0xa40 [ 5486.679668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5486.679668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.679668][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.679668][ T3767] netlink_unicast+0x449/0x710 [ 5486.679668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.679668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.679668][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.679668][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.679668][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.679668][ T3767] [ 5486.682178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5486.682178][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5486.682178][ T3767] ipv6_find_idev+0x102/0x170 [ 5486.682178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5486.682178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.682178][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.682178][ T3767] netlink_unicast+0x449/0x710 [ 5486.682178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.682178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.682178][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.682178][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.682178][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.682178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.682178][ T3767] [ 5486.684063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5486.684063][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5486.684063][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5486.684063][ T3767] ipv6_find_idev+0x102/0x170 [ 5486.684063][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5486.684063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5486.684063][ T3767] netlink_rcv_skb+0x130/0x360 [ 5486.684063][ T3767] netlink_unicast+0x449/0x710 [ 5486.684063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5486.684063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5486.684063][ T3767] ___sys_sendmsg+0xee/0x170 [ 5486.684063][ T3767] __sys_sendmsg+0xcd/0x170 [ 5486.684063][ T3767] do_syscall_64+0xc6/0x1e0 [ 5486.684063][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5486.684063][ T3767] [ 5496.935938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5496.936476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5496.936476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5496.936476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5496.936476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5496.936476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5496.936476][ T3767] ip6_route_add+0x1c/0x140 [ 5496.936476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5496.936476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.936476][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.936476][ T3767] netlink_unicast+0x449/0x710 [ 5496.936476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.936476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.936476][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.936476][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.936476][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.936476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.936476][ T3767] [ 5496.938786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5496.938786][ T3767] netdev_get_by_index+0x5e/0x80 [ 5496.938786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5496.938786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5496.938786][ T3767] ip6_route_add+0x1c/0x140 [ 5496.938786][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5496.938786][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5496.938786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.938786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.938786][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.938786][ T3767] netlink_unicast+0x449/0x710 [ 5496.938786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.938786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.938786][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.938786][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.938786][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.938786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.938786][ T3767] [ 5496.941239][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5496.941239][ T3767] netdev_get_by_index+0x5e/0x80 [ 5496.941239][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5496.941239][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5496.941239][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5496.941239][ T3767] ipv6_add_addr+0x411/0x2000 [ 5496.941239][ T3767] inet6_addr_add+0x30e/0xa40 [ 5496.941239][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.941239][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.941239][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.941239][ T3767] netlink_unicast+0x449/0x710 [ 5496.941239][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.941239][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.941239][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.941239][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.941239][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.941239][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.941239][ T3767] [ 5496.943797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5496.943797][ T3767] netdev_get_by_index+0x5e/0x80 [ 5496.943797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5496.943797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5496.943797][ T3767] ip6_route_add+0x1c/0x140 [ 5496.943797][ T3767] addrconf_add_mroute+0x129/0x180 [ 5496.943797][ T3767] addrconf_add_dev+0xe2/0x170 [ 5496.943797][ T3767] inet6_addr_add+0x12f/0xa40 [ 5496.943797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5496.943797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.943797][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.943797][ T3767] netlink_unicast+0x449/0x710 [ 5496.943797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.943797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.943797][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.943797][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.943797][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.943797][ T3767] [ 5496.946227][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5496.946227][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5496.946227][ T3767] ipv6_find_idev+0x102/0x170 [ 5496.946227][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5496.946227][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.946227][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.946227][ T3767] netlink_unicast+0x449/0x710 [ 5496.946227][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.946227][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.946227][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.946227][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.946227][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.946227][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.946227][ T3767] [ 5496.948119][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5496.948119][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5496.948119][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5496.948119][ T3767] ipv6_find_idev+0x102/0x170 [ 5496.948119][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5496.948119][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5496.948119][ T3767] netlink_rcv_skb+0x130/0x360 [ 5496.948119][ T3767] netlink_unicast+0x449/0x710 [ 5496.948119][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5496.948119][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5496.948119][ T3767] ___sys_sendmsg+0xee/0x170 [ 5496.948119][ T3767] __sys_sendmsg+0xcd/0x170 [ 5496.948119][ T3767] do_syscall_64+0xc6/0x1e0 [ 5496.948119][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5496.948119][ T3767] [ 5507.199942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5507.200447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5507.200447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5507.200447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5507.200447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5507.200447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5507.200447][ T3767] ip6_route_add+0x1c/0x140 [ 5507.200447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5507.200447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.200447][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.200447][ T3767] netlink_unicast+0x449/0x710 [ 5507.200447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.200447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.200447][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.200447][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.200447][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.200447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5507.200447][ T3767] [ 5507.202562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5507.202562][ T3767] netdev_get_by_index+0x5e/0x80 [ 5507.202562][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5507.202562][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5507.202562][ T3767] ip6_route_add+0x1c/0x140 [ 5507.202562][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5507.202562][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5507.202562][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5507.202562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.202562][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.202562][ T3767] netlink_unicast+0x449/0x710 [ 5507.202562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.202562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.202562][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.202562][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.202562][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.202562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5507.202562][ T3767] [ 5507.204767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5507.204767][ T3767] netdev_get_by_index+0x5e/0x80 [ 5507.204767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5507.204767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5507.204767][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5507.204767][ T3767] ipv6_add_addr+0x411/0x2000 [ 5507.204767][ T3767] inet6_addr_add+0x30e/0xa40 [ 5507.204767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5507.204767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.204767][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.204767][ T3767] netlink_unicast+0x449/0x710 [ 5507.204767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.204767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.204767][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.204767][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.204767][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.204767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5507.204767][ T3767] [ 5507.206972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5507.206972][ T3767] netdev_get_by_index+0x5e/0x80 [ 5507.206972][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5507.206972][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5507.206972][ T3767] ip6_route_add+0x1c/0x140 [ 5507.206972][ T3767] addrconf_add_mroute+0x129/0x180 [ 5507.206972][ T3767] addrconf_add_dev+0xe2/0x170 [ 5507.206972][ T3767] inet6_addr_add+0x12f/0xa40 [ 5507.206972][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5507.206972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.206972][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.206972][ T3767] netlink_unicast+0x449/0x710 [ 5507.206972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.206972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.206972][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.206972][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.206972][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.206972][ T3767] [ 5507.209146][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5507.209146][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5507.209146][ T3767] ipv6_find_idev+0x102/0x170 [ 5507.209146][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5507.209146][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.209146][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.209146][ T3767] netlink_unicast+0x449/0x710 [ 5507.209146][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.209146][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.209146][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.209146][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.209146][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.209146][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5507.209146][ T3767] [ 5507.210844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5507.210844][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5507.210844][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5507.210844][ T3767] ipv6_find_idev+0x102/0x170 [ 5507.210844][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5507.210844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5507.210844][ T3767] netlink_rcv_skb+0x130/0x360 [ 5507.210844][ T3767] netlink_unicast+0x449/0x710 [ 5507.210844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5507.210844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5507.210844][ T3767] ___sys_sendmsg+0xee/0x170 [ 5507.210844][ T3767] __sys_sendmsg+0xcd/0x170 [ 5507.210844][ T3767] do_syscall_64+0xc6/0x1e0 [ 5507.210844][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5507.210844][ T3767] [ 5517.223882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5517.224298][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5517.224298][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5517.224298][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5517.224298][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5517.224298][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5517.224298][ T3767] ip6_route_add+0x1c/0x140 [ 5517.224298][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5517.224298][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.224298][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.224298][ T3767] netlink_unicast+0x449/0x710 [ 5517.224298][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.224298][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.224298][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.224298][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.224298][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.224298][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.224298][ T3767] [ 5517.226388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5517.226388][ T3767] netdev_get_by_index+0x5e/0x80 [ 5517.226388][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5517.226388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5517.226388][ T3767] ip6_route_add+0x1c/0x140 [ 5517.226388][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5517.226388][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5517.226388][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.226388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.226388][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.226388][ T3767] netlink_unicast+0x449/0x710 [ 5517.226388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.226388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.226388][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.226388][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.226388][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.226388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.226388][ T3767] [ 5517.228609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5517.228609][ T3767] netdev_get_by_index+0x5e/0x80 [ 5517.228609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5517.228609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5517.228609][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5517.228609][ T3767] ipv6_add_addr+0x411/0x2000 [ 5517.228609][ T3767] inet6_addr_add+0x30e/0xa40 [ 5517.228609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.228609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.228609][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.228609][ T3767] netlink_unicast+0x449/0x710 [ 5517.228609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.228609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.228609][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.228609][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.228609][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.228609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.228609][ T3767] [ 5517.230826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5517.230826][ T3767] netdev_get_by_index+0x5e/0x80 [ 5517.230826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5517.230826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5517.230826][ T3767] ip6_route_add+0x1c/0x140 [ 5517.230826][ T3767] addrconf_add_mroute+0x129/0x180 [ 5517.230826][ T3767] addrconf_add_dev+0xe2/0x170 [ 5517.230826][ T3767] inet6_addr_add+0x12f/0xa40 [ 5517.230826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5517.230826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.230826][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.230826][ T3767] netlink_unicast+0x449/0x710 [ 5517.230826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.230826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.230826][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.230826][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.230826][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.230826][ T3767] [ 5517.232990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5517.232990][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5517.232990][ T3767] ipv6_find_idev+0x102/0x170 [ 5517.232990][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5517.232990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.232990][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.232990][ T3767] netlink_unicast+0x449/0x710 [ 5517.232990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.232990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.232990][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.232990][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.232990][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.232990][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.232990][ T3767] [ 5517.234685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5517.234685][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5517.234685][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5517.234685][ T3767] ipv6_find_idev+0x102/0x170 [ 5517.234685][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5517.234685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5517.234685][ T3767] netlink_rcv_skb+0x130/0x360 [ 5517.234685][ T3767] netlink_unicast+0x449/0x710 [ 5517.234685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5517.234685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5517.234685][ T3767] ___sys_sendmsg+0xee/0x170 [ 5517.234685][ T3767] __sys_sendmsg+0xcd/0x170 [ 5517.234685][ T3767] do_syscall_64+0xc6/0x1e0 [ 5517.234685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5517.234685][ T3767] [ 5527.336111][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5527.336586][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5527.336586][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5527.336586][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5527.336586][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5527.336586][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5527.336586][ T3767] ip6_route_add+0x1c/0x140 [ 5527.336586][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5527.336586][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.336586][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.336586][ T3767] netlink_unicast+0x449/0x710 [ 5527.336586][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.336586][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.336586][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.336586][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.336586][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.336586][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.336586][ T3767] [ 5527.338658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5527.338658][ T3767] netdev_get_by_index+0x5e/0x80 [ 5527.338658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5527.338658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5527.338658][ T3767] ip6_route_add+0x1c/0x140 [ 5527.338658][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5527.338658][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5527.338658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.338658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.338658][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.338658][ T3767] netlink_unicast+0x449/0x710 [ 5527.338658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.338658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.338658][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.338658][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.338658][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.338658][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.338658][ T3767] [ 5527.340855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5527.340855][ T3767] netdev_get_by_index+0x5e/0x80 [ 5527.340855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5527.340855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5527.340855][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5527.340855][ T3767] ipv6_add_addr+0x411/0x2000 [ 5527.340855][ T3767] inet6_addr_add+0x30e/0xa40 [ 5527.340855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.340855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.340855][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.340855][ T3767] netlink_unicast+0x449/0x710 [ 5527.340855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.340855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.340855][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.340855][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.340855][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.340855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.340855][ T3767] [ 5527.343033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5527.343033][ T3767] netdev_get_by_index+0x5e/0x80 [ 5527.343033][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5527.343033][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5527.343033][ T3767] ip6_route_add+0x1c/0x140 [ 5527.343033][ T3767] addrconf_add_mroute+0x129/0x180 [ 5527.343033][ T3767] addrconf_add_dev+0xe2/0x170 [ 5527.343033][ T3767] inet6_addr_add+0x12f/0xa40 [ 5527.343033][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5527.343033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.343033][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.343033][ T3767] netlink_unicast+0x449/0x710 [ 5527.343033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.343033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.343033][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.343033][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.343033][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.343033][ T3767] [ 5527.345178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5527.345178][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5527.345178][ T3767] ipv6_find_idev+0x102/0x170 [ 5527.345178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5527.345178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.345178][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.345178][ T3767] netlink_unicast+0x449/0x710 [ 5527.345178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.345178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.345178][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.345178][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.345178][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.345178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.345178][ T3767] [ 5527.346858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5527.346858][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5527.346858][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5527.346858][ T3767] ipv6_find_idev+0x102/0x170 [ 5527.346858][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5527.346858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5527.346858][ T3767] netlink_rcv_skb+0x130/0x360 [ 5527.346858][ T3767] netlink_unicast+0x449/0x710 [ 5527.346858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5527.346858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5527.346858][ T3767] ___sys_sendmsg+0xee/0x170 [ 5527.346858][ T3767] __sys_sendmsg+0xcd/0x170 [ 5527.346858][ T3767] do_syscall_64+0xc6/0x1e0 [ 5527.346858][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5527.346858][ T3767] [ 5537.583940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5537.584475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5537.584475][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5537.584475][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5537.584475][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5537.584475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5537.584475][ T3767] ip6_route_add+0x1c/0x140 [ 5537.584475][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5537.584475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.584475][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.584475][ T3767] netlink_unicast+0x449/0x710 [ 5537.584475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.584475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.584475][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.584475][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.584475][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.584475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.584475][ T3767] [ 5537.586809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5537.586809][ T3767] netdev_get_by_index+0x5e/0x80 [ 5537.586809][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5537.586809][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5537.586809][ T3767] ip6_route_add+0x1c/0x140 [ 5537.586809][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5537.586809][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5537.586809][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.586809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.586809][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.586809][ T3767] netlink_unicast+0x449/0x710 [ 5537.586809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.586809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.586809][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.586809][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.586809][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.586809][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.586809][ T3767] [ 5537.589239][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5537.589239][ T3767] netdev_get_by_index+0x5e/0x80 [ 5537.589239][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5537.589239][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5537.589239][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5537.589239][ T3767] ipv6_add_addr+0x411/0x2000 [ 5537.589239][ T3767] inet6_addr_add+0x30e/0xa40 [ 5537.589239][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.589239][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.589239][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.589239][ T3767] netlink_unicast+0x449/0x710 [ 5537.589239][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.589239][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.589239][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.589239][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.589239][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.589239][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.589239][ T3767] [ 5537.591681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5537.591681][ T3767] netdev_get_by_index+0x5e/0x80 [ 5537.591681][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5537.591681][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5537.591681][ T3767] ip6_route_add+0x1c/0x140 [ 5537.591681][ T3767] addrconf_add_mroute+0x129/0x180 [ 5537.591681][ T3767] addrconf_add_dev+0xe2/0x170 [ 5537.591681][ T3767] inet6_addr_add+0x12f/0xa40 [ 5537.591681][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5537.591681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.591681][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.591681][ T3767] netlink_unicast+0x449/0x710 [ 5537.591681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.591681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.591681][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.591681][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.591681][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.591681][ T3767] [ 5537.594085][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5537.594085][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5537.594085][ T3767] ipv6_find_idev+0x102/0x170 [ 5537.594085][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5537.594085][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.594085][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.594085][ T3767] netlink_unicast+0x449/0x710 [ 5537.594085][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.594085][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.594085][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.594085][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.594085][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.594085][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.594085][ T3767] [ 5537.595974][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5537.595974][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5537.595974][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5537.595974][ T3767] ipv6_find_idev+0x102/0x170 [ 5537.595974][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5537.595974][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5537.595974][ T3767] netlink_rcv_skb+0x130/0x360 [ 5537.595974][ T3767] netlink_unicast+0x449/0x710 [ 5537.595974][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5537.595974][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5537.595974][ T3767] ___sys_sendmsg+0xee/0x170 [ 5537.595974][ T3767] __sys_sendmsg+0xcd/0x170 [ 5537.595974][ T3767] do_syscall_64+0xc6/0x1e0 [ 5537.595974][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5537.595974][ T3767] [ 5547.839964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5547.840501][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5547.840501][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5547.840501][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5547.840501][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5547.840501][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5547.840501][ T3767] ip6_route_add+0x1c/0x140 [ 5547.840501][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5547.840501][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.840501][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.840501][ T3767] netlink_unicast+0x449/0x710 [ 5547.840501][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.840501][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.840501][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.840501][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.840501][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.840501][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.840501][ T3767] [ 5547.842843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5547.842843][ T3767] netdev_get_by_index+0x5e/0x80 [ 5547.842843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5547.842843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5547.842843][ T3767] ip6_route_add+0x1c/0x140 [ 5547.842843][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5547.842843][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5547.842843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.842843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.842843][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.842843][ T3767] netlink_unicast+0x449/0x710 [ 5547.842843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.842843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.842843][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.842843][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.842843][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.842843][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.842843][ T3767] [ 5547.845288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5547.845288][ T3767] netdev_get_by_index+0x5e/0x80 [ 5547.845288][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5547.845288][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5547.845288][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5547.845288][ T3767] ipv6_add_addr+0x411/0x2000 [ 5547.845288][ T3767] inet6_addr_add+0x30e/0xa40 [ 5547.845288][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.845288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.845288][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.845288][ T3767] netlink_unicast+0x449/0x710 [ 5547.845288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.845288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.845288][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.845288][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.845288][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.845288][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.845288][ T3767] [ 5547.847723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5547.847723][ T3767] netdev_get_by_index+0x5e/0x80 [ 5547.847723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5547.847723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5547.847723][ T3767] ip6_route_add+0x1c/0x140 [ 5547.847723][ T3767] addrconf_add_mroute+0x129/0x180 [ 5547.847723][ T3767] addrconf_add_dev+0xe2/0x170 [ 5547.847723][ T3767] inet6_addr_add+0x12f/0xa40 [ 5547.847723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5547.847723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.847723][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.847723][ T3767] netlink_unicast+0x449/0x710 [ 5547.847723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.847723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.847723][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.847723][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.847723][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.847723][ T3767] [ 5547.850122][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5547.850122][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5547.850122][ T3767] ipv6_find_idev+0x102/0x170 [ 5547.850122][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5547.850122][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.850122][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.850122][ T3767] netlink_unicast+0x449/0x710 [ 5547.850122][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.850122][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.850122][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.850122][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.850122][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.850122][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.850122][ T3767] [ 5547.852520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5547.852520][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5547.852520][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5547.852520][ T3767] ipv6_find_idev+0x102/0x170 [ 5547.852520][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5547.852520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5547.852520][ T3767] netlink_rcv_skb+0x130/0x360 [ 5547.852520][ T3767] netlink_unicast+0x449/0x710 [ 5547.852520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5547.852520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5547.852520][ T3767] ___sys_sendmsg+0xee/0x170 [ 5547.852520][ T3767] __sys_sendmsg+0xcd/0x170 [ 5547.852520][ T3767] do_syscall_64+0xc6/0x1e0 [ 5547.852520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5547.852520][ T3767] [ 5558.095942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5558.096456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5558.096456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5558.096456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5558.096456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5558.096456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5558.096456][ T3767] ip6_route_add+0x1c/0x140 [ 5558.096456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5558.096456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.096456][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.096456][ T3767] netlink_unicast+0x449/0x710 [ 5558.096456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.096456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.096456][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.096456][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.096456][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.096456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5558.096456][ T3767] [ 5558.098790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5558.098790][ T3767] netdev_get_by_index+0x5e/0x80 [ 5558.098790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5558.098790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5558.098790][ T3767] ip6_route_add+0x1c/0x140 [ 5558.098790][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5558.098790][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5558.098790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5558.098790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.098790][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.098790][ T3767] netlink_unicast+0x449/0x710 [ 5558.098790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.098790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.098790][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.098790][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.098790][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.098790][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5558.098790][ T3767] [ 5558.101249][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5558.101249][ T3767] netdev_get_by_index+0x5e/0x80 [ 5558.101249][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5558.101249][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5558.101249][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5558.101249][ T3767] ipv6_add_addr+0x411/0x2000 [ 5558.101249][ T3767] inet6_addr_add+0x30e/0xa40 [ 5558.101249][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5558.101249][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.101249][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.101249][ T3767] netlink_unicast+0x449/0x710 [ 5558.101249][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.101249][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.101249][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.101249][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.101249][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.101249][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5558.101249][ T3767] [ 5558.103693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5558.103693][ T3767] netdev_get_by_index+0x5e/0x80 [ 5558.103693][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5558.103693][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5558.103693][ T3767] ip6_route_add+0x1c/0x140 [ 5558.103693][ T3767] addrconf_add_mroute+0x129/0x180 [ 5558.103693][ T3767] addrconf_add_dev+0xe2/0x170 [ 5558.103693][ T3767] inet6_addr_add+0x12f/0xa40 [ 5558.103693][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5558.103693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.103693][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.103693][ T3767] netlink_unicast+0x449/0x710 [ 5558.103693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.103693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.103693][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.103693][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.103693][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.103693][ T3767] [ 5558.106084][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5558.106084][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5558.106084][ T3767] ipv6_find_idev+0x102/0x170 [ 5558.106084][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5558.106084][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.106084][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.106084][ T3767] netlink_unicast+0x449/0x710 [ 5558.106084][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.106084][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.106084][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.106084][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.106084][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.106084][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5558.106084][ T3767] [ 5558.107963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5558.107963][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5558.107963][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5558.107963][ T3767] ipv6_find_idev+0x102/0x170 [ 5558.107963][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5558.107963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5558.107963][ T3767] netlink_rcv_skb+0x130/0x360 [ 5558.107963][ T3767] netlink_unicast+0x449/0x710 [ 5558.107963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5558.107963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5558.107963][ T3767] ___sys_sendmsg+0xee/0x170 [ 5558.107963][ T3767] __sys_sendmsg+0xcd/0x170 [ 5558.107963][ T3767] do_syscall_64+0xc6/0x1e0 [ 5558.107963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5558.107963][ T3767] [ 5568.351889][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5568.352435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5568.352435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5568.352435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5568.352435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5568.352435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5568.352435][ T3767] ip6_route_add+0x1c/0x140 [ 5568.352435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5568.352435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.352435][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.352435][ T3767] netlink_unicast+0x449/0x710 [ 5568.352435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.352435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.352435][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.352435][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.352435][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.352435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.352435][ T3767] [ 5568.354765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5568.354765][ T3767] netdev_get_by_index+0x5e/0x80 [ 5568.354765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5568.354765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5568.354765][ T3767] ip6_route_add+0x1c/0x140 [ 5568.354765][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5568.354765][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5568.354765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.354765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.354765][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.354765][ T3767] netlink_unicast+0x449/0x710 [ 5568.354765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.354765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.354765][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.354765][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.354765][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.354765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.354765][ T3767] [ 5568.357213][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5568.357213][ T3767] netdev_get_by_index+0x5e/0x80 [ 5568.357213][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5568.357213][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5568.357213][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5568.357213][ T3767] ipv6_add_addr+0x411/0x2000 [ 5568.357213][ T3767] inet6_addr_add+0x30e/0xa40 [ 5568.357213][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.357213][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.357213][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.357213][ T3767] netlink_unicast+0x449/0x710 [ 5568.357213][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.357213][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.357213][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.357213][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.357213][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.357213][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.357213][ T3767] [ 5568.359626][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5568.359626][ T3767] netdev_get_by_index+0x5e/0x80 [ 5568.359626][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5568.359626][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5568.359626][ T3767] ip6_route_add+0x1c/0x140 [ 5568.359626][ T3767] addrconf_add_mroute+0x129/0x180 [ 5568.359626][ T3767] addrconf_add_dev+0xe2/0x170 [ 5568.359626][ T3767] inet6_addr_add+0x12f/0xa40 [ 5568.359626][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5568.359626][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.359626][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.359626][ T3767] netlink_unicast+0x449/0x710 [ 5568.359626][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.359626][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.359626][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.359626][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.359626][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.359626][ T3767] [ 5568.362027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5568.362027][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5568.362027][ T3767] ipv6_find_idev+0x102/0x170 [ 5568.362027][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5568.362027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.362027][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.362027][ T3767] netlink_unicast+0x449/0x710 [ 5568.362027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.362027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.362027][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.362027][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.362027][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.362027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.362027][ T3767] [ 5568.363905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5568.363905][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5568.363905][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5568.363905][ T3767] ipv6_find_idev+0x102/0x170 [ 5568.363905][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5568.363905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5568.363905][ T3767] netlink_rcv_skb+0x130/0x360 [ 5568.363905][ T3767] netlink_unicast+0x449/0x710 [ 5568.363905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5568.363905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5568.363905][ T3767] ___sys_sendmsg+0xee/0x170 [ 5568.363905][ T3767] __sys_sendmsg+0xcd/0x170 [ 5568.363905][ T3767] do_syscall_64+0xc6/0x1e0 [ 5568.363905][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5568.363905][ T3767] [ 5578.607951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5578.608451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5578.608451][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5578.608451][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5578.608451][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5578.608451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5578.608451][ T3767] ip6_route_add+0x1c/0x140 [ 5578.608451][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5578.608451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.608451][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.608451][ T3767] netlink_unicast+0x449/0x710 [ 5578.608451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.608451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.608451][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.608451][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.608451][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.608451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.608451][ T3767] [ 5578.610779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5578.610779][ T3767] netdev_get_by_index+0x5e/0x80 [ 5578.610779][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5578.610779][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5578.610779][ T3767] ip6_route_add+0x1c/0x140 [ 5578.610779][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5578.610779][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5578.610779][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.610779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.610779][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.610779][ T3767] netlink_unicast+0x449/0x710 [ 5578.610779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.610779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.610779][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.610779][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.610779][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.610779][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.610779][ T3767] [ 5578.613218][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5578.613218][ T3767] netdev_get_by_index+0x5e/0x80 [ 5578.613218][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5578.613218][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5578.613218][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5578.613218][ T3767] ipv6_add_addr+0x411/0x2000 [ 5578.613218][ T3767] inet6_addr_add+0x30e/0xa40 [ 5578.613218][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.613218][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.613218][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.613218][ T3767] netlink_unicast+0x449/0x710 [ 5578.613218][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.613218][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.613218][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.613218][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.613218][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.613218][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.613218][ T3767] [ 5578.615664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5578.615664][ T3767] netdev_get_by_index+0x5e/0x80 [ 5578.615664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5578.615664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5578.615664][ T3767] ip6_route_add+0x1c/0x140 [ 5578.615664][ T3767] addrconf_add_mroute+0x129/0x180 [ 5578.615664][ T3767] addrconf_add_dev+0xe2/0x170 [ 5578.615664][ T3767] inet6_addr_add+0x12f/0xa40 [ 5578.615664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5578.615664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.615664][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.615664][ T3767] netlink_unicast+0x449/0x710 [ 5578.615664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.615664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.615664][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.615664][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.615664][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.615664][ T3767] [ 5578.618067][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5578.618067][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5578.618067][ T3767] ipv6_find_idev+0x102/0x170 [ 5578.618067][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5578.618067][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.618067][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.618067][ T3767] netlink_unicast+0x449/0x710 [ 5578.618067][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.618067][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.618067][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.618067][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.618067][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.618067][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.618067][ T3767] [ 5578.619940][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5578.619940][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5578.619940][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5578.619940][ T3767] ipv6_find_idev+0x102/0x170 [ 5578.619940][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5578.619940][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5578.619940][ T3767] netlink_rcv_skb+0x130/0x360 [ 5578.619940][ T3767] netlink_unicast+0x449/0x710 [ 5578.619940][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5578.619940][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5578.619940][ T3767] ___sys_sendmsg+0xee/0x170 [ 5578.619940][ T3767] __sys_sendmsg+0xcd/0x170 [ 5578.619940][ T3767] do_syscall_64+0xc6/0x1e0 [ 5578.619940][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5578.619940][ T3767] [ 5588.864020][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5588.864521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5588.864521][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5588.864521][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5588.864521][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5588.864521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5588.864521][ T3767] ip6_route_add+0x1c/0x140 [ 5588.864521][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5588.864521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.864521][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.864521][ T3767] netlink_unicast+0x449/0x710 [ 5588.864521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.864521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.864521][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.864521][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.864521][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.864521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.864521][ T3767] [ 5588.866635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5588.866635][ T3767] netdev_get_by_index+0x5e/0x80 [ 5588.866635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5588.866635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5588.866635][ T3767] ip6_route_add+0x1c/0x140 [ 5588.866635][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5588.866635][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5588.866635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.866635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.866635][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.866635][ T3767] netlink_unicast+0x449/0x710 [ 5588.866635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.866635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.866635][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.866635][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.866635][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.866635][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.866635][ T3767] [ 5588.868855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5588.868855][ T3767] netdev_get_by_index+0x5e/0x80 [ 5588.868855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5588.868855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5588.868855][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5588.868855][ T3767] ipv6_add_addr+0x411/0x2000 [ 5588.868855][ T3767] inet6_addr_add+0x30e/0xa40 [ 5588.868855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.868855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.868855][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.868855][ T3767] netlink_unicast+0x449/0x710 [ 5588.868855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.868855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.868855][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.868855][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.868855][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.868855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.868855][ T3767] [ 5588.871081][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5588.871081][ T3767] netdev_get_by_index+0x5e/0x80 [ 5588.871081][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5588.871081][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5588.871081][ T3767] ip6_route_add+0x1c/0x140 [ 5588.871081][ T3767] addrconf_add_mroute+0x129/0x180 [ 5588.871081][ T3767] addrconf_add_dev+0xe2/0x170 [ 5588.871081][ T3767] inet6_addr_add+0x12f/0xa40 [ 5588.871081][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5588.871081][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.871081][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.871081][ T3767] netlink_unicast+0x449/0x710 [ 5588.871081][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.871081][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.871081][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.871081][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.871081][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.871081][ T3767] [ 5588.873267][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5588.873267][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5588.873267][ T3767] ipv6_find_idev+0x102/0x170 [ 5588.873267][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5588.873267][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.873267][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.873267][ T3767] netlink_unicast+0x449/0x710 [ 5588.873267][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.873267][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.873267][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.873267][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.873267][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.873267][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.873267][ T3767] [ 5588.874980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5588.874980][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5588.874980][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5588.874980][ T3767] ipv6_find_idev+0x102/0x170 [ 5588.874980][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5588.874980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5588.874980][ T3767] netlink_rcv_skb+0x130/0x360 [ 5588.874980][ T3767] netlink_unicast+0x449/0x710 [ 5588.874980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5588.874980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5588.874980][ T3767] ___sys_sendmsg+0xee/0x170 [ 5588.874980][ T3767] __sys_sendmsg+0xcd/0x170 [ 5588.874980][ T3767] do_syscall_64+0xc6/0x1e0 [ 5588.874980][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5588.874980][ T3767] [ 5598.935951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5598.936394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5598.936394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5598.936394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5598.936394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5598.936394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5598.936394][ T3767] ip6_route_add+0x1c/0x140 [ 5598.936394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5598.936394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.936394][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.936394][ T3767] netlink_unicast+0x449/0x710 [ 5598.936394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.936394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.936394][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.936394][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.936394][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.936394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.936394][ T3767] [ 5598.938506][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5598.938506][ T3767] netdev_get_by_index+0x5e/0x80 [ 5598.938506][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5598.938506][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5598.938506][ T3767] ip6_route_add+0x1c/0x140 [ 5598.938506][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5598.938506][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5598.938506][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.938506][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.938506][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.938506][ T3767] netlink_unicast+0x449/0x710 [ 5598.938506][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.938506][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.938506][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.938506][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.938506][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.938506][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.938506][ T3767] [ 5598.940744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5598.940744][ T3767] netdev_get_by_index+0x5e/0x80 [ 5598.940744][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5598.940744][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5598.940744][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5598.940744][ T3767] ipv6_add_addr+0x411/0x2000 [ 5598.940744][ T3767] inet6_addr_add+0x30e/0xa40 [ 5598.940744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.940744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.940744][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.940744][ T3767] netlink_unicast+0x449/0x710 [ 5598.940744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.940744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.940744][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.940744][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.940744][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.940744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.940744][ T3767] [ 5598.942968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5598.942968][ T3767] netdev_get_by_index+0x5e/0x80 [ 5598.942968][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5598.942968][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5598.942968][ T3767] ip6_route_add+0x1c/0x140 [ 5598.942968][ T3767] addrconf_add_mroute+0x129/0x180 [ 5598.942968][ T3767] addrconf_add_dev+0xe2/0x170 [ 5598.942968][ T3767] inet6_addr_add+0x12f/0xa40 [ 5598.942968][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5598.942968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.942968][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.942968][ T3767] netlink_unicast+0x449/0x710 [ 5598.942968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.942968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.942968][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.942968][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.942968][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.942968][ T3767] [ 5598.945138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5598.945138][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5598.945138][ T3767] ipv6_find_idev+0x102/0x170 [ 5598.945138][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5598.945138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.945138][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.945138][ T3767] netlink_unicast+0x449/0x710 [ 5598.945138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.945138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.945138][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.945138][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.945138][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.945138][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.945138][ T3767] [ 5598.946847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5598.946847][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5598.946847][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5598.946847][ T3767] ipv6_find_idev+0x102/0x170 [ 5598.946847][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5598.946847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5598.946847][ T3767] netlink_rcv_skb+0x130/0x360 [ 5598.946847][ T3767] netlink_unicast+0x449/0x710 [ 5598.946847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5598.946847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5598.946847][ T3767] ___sys_sendmsg+0xee/0x170 [ 5598.946847][ T3767] __sys_sendmsg+0xcd/0x170 [ 5598.946847][ T3767] do_syscall_64+0xc6/0x1e0 [ 5598.946847][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5598.946847][ T3767] [ 5609.191945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5609.192464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5609.192464][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5609.192464][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5609.192464][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5609.192464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5609.192464][ T3767] ip6_route_add+0x1c/0x140 [ 5609.192464][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5609.192464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.192464][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.192464][ T3767] netlink_unicast+0x449/0x710 [ 5609.192464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.192464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.192464][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.192464][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.192464][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.192464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.192464][ T3767] [ 5609.194792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5609.194792][ T3767] netdev_get_by_index+0x5e/0x80 [ 5609.194792][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5609.194792][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5609.194792][ T3767] ip6_route_add+0x1c/0x140 [ 5609.194792][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5609.194792][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5609.194792][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.194792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.194792][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.194792][ T3767] netlink_unicast+0x449/0x710 [ 5609.194792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.194792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.194792][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.194792][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.194792][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.194792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.194792][ T3767] [ 5609.197260][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5609.197260][ T3767] netdev_get_by_index+0x5e/0x80 [ 5609.197260][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5609.197260][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5609.197260][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5609.197260][ T3767] ipv6_add_addr+0x411/0x2000 [ 5609.197260][ T3767] inet6_addr_add+0x30e/0xa40 [ 5609.197260][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.197260][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.197260][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.197260][ T3767] netlink_unicast+0x449/0x710 [ 5609.197260][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.197260][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.197260][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.197260][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.197260][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.197260][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.197260][ T3767] [ 5609.199705][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5609.199705][ T3767] netdev_get_by_index+0x5e/0x80 [ 5609.199705][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5609.199705][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5609.199705][ T3767] ip6_route_add+0x1c/0x140 [ 5609.199705][ T3767] addrconf_add_mroute+0x129/0x180 [ 5609.199705][ T3767] addrconf_add_dev+0xe2/0x170 [ 5609.199705][ T3767] inet6_addr_add+0x12f/0xa40 [ 5609.199705][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5609.199705][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.199705][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.199705][ T3767] netlink_unicast+0x449/0x710 [ 5609.199705][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.199705][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.199705][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.199705][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.199705][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.199705][ T3767] [ 5609.202118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5609.202118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5609.202118][ T3767] ipv6_find_idev+0x102/0x170 [ 5609.202118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5609.202118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.202118][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.202118][ T3767] netlink_unicast+0x449/0x710 [ 5609.202118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.202118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.202118][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.202118][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.202118][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.202118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.202118][ T3767] [ 5609.204028][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5609.204028][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5609.204028][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5609.204028][ T3767] ipv6_find_idev+0x102/0x170 [ 5609.204028][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5609.204028][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5609.204028][ T3767] netlink_rcv_skb+0x130/0x360 [ 5609.204028][ T3767] netlink_unicast+0x449/0x710 [ 5609.204028][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5609.204028][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5609.204028][ T3767] ___sys_sendmsg+0xee/0x170 [ 5609.204028][ T3767] __sys_sendmsg+0xcd/0x170 [ 5609.204028][ T3767] do_syscall_64+0xc6/0x1e0 [ 5609.204028][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5609.204028][ T3767] [ 5619.455954][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5619.456412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5619.456412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5619.456412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5619.456412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5619.456412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5619.456412][ T3767] ip6_route_add+0x1c/0x140 [ 5619.456412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5619.456412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.456412][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.456412][ T3767] netlink_unicast+0x449/0x710 [ 5619.456412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.456412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.456412][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.456412][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.456412][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.456412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.456412][ T3767] [ 5619.458751][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5619.458751][ T3767] netdev_get_by_index+0x5e/0x80 [ 5619.458751][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5619.458751][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5619.458751][ T3767] ip6_route_add+0x1c/0x140 [ 5619.458751][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5619.458751][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5619.458751][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.458751][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.458751][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.458751][ T3767] netlink_unicast+0x449/0x710 [ 5619.458751][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.458751][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.458751][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.458751][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.458751][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.458751][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.458751][ T3767] [ 5619.461213][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5619.461213][ T3767] netdev_get_by_index+0x5e/0x80 [ 5619.461213][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5619.461213][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5619.461213][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5619.461213][ T3767] ipv6_add_addr+0x411/0x2000 [ 5619.461213][ T3767] inet6_addr_add+0x30e/0xa40 [ 5619.461213][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.461213][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.461213][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.461213][ T3767] netlink_unicast+0x449/0x710 [ 5619.461213][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.461213][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.461213][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.461213][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.461213][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.461213][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.461213][ T3767] [ 5619.463653][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5619.463653][ T3767] netdev_get_by_index+0x5e/0x80 [ 5619.463653][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5619.463653][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5619.463653][ T3767] ip6_route_add+0x1c/0x140 [ 5619.463653][ T3767] addrconf_add_mroute+0x129/0x180 [ 5619.463653][ T3767] addrconf_add_dev+0xe2/0x170 [ 5619.463653][ T3767] inet6_addr_add+0x12f/0xa40 [ 5619.463653][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5619.463653][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.463653][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.463653][ T3767] netlink_unicast+0x449/0x710 [ 5619.463653][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.463653][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.463653][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.463653][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.463653][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.463653][ T3767] [ 5619.466064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5619.466064][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5619.466064][ T3767] ipv6_find_idev+0x102/0x170 [ 5619.466064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5619.466064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.466064][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.466064][ T3767] netlink_unicast+0x449/0x710 [ 5619.466064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.466064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.466064][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.466064][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.466064][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.466064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.466064][ T3767] [ 5619.468455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5619.468455][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5619.468455][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5619.468455][ T3767] ipv6_find_idev+0x102/0x170 [ 5619.468455][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5619.468455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5619.468455][ T3767] netlink_rcv_skb+0x130/0x360 [ 5619.468455][ T3767] netlink_unicast+0x449/0x710 [ 5619.468455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5619.468455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5619.468455][ T3767] ___sys_sendmsg+0xee/0x170 [ 5619.468455][ T3767] __sys_sendmsg+0xcd/0x170 [ 5619.468455][ T3767] do_syscall_64+0xc6/0x1e0 [ 5619.468455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5619.468455][ T3767] [ 5629.719933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5629.720468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5629.720468][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5629.720468][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5629.720468][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5629.720468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5629.720468][ T3767] ip6_route_add+0x1c/0x140 [ 5629.720468][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5629.720468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.720468][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.720468][ T3767] netlink_unicast+0x449/0x710 [ 5629.720468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.720468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.720468][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.720468][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.720468][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.720468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.720468][ T3767] [ 5629.722797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5629.722797][ T3767] netdev_get_by_index+0x5e/0x80 [ 5629.722797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5629.722797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5629.722797][ T3767] ip6_route_add+0x1c/0x140 [ 5629.722797][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5629.722797][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5629.722797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.722797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.722797][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.722797][ T3767] netlink_unicast+0x449/0x710 [ 5629.722797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.722797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.722797][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.722797][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.722797][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.722797][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.722797][ T3767] [ 5629.725236][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5629.725236][ T3767] netdev_get_by_index+0x5e/0x80 [ 5629.725236][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5629.725236][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5629.725236][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5629.725236][ T3767] ipv6_add_addr+0x411/0x2000 [ 5629.725236][ T3767] inet6_addr_add+0x30e/0xa40 [ 5629.725236][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.725236][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.725236][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.725236][ T3767] netlink_unicast+0x449/0x710 [ 5629.725236][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.725236][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.725236][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.725236][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.725236][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.725236][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.725236][ T3767] [ 5629.727686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5629.727686][ T3767] netdev_get_by_index+0x5e/0x80 [ 5629.727686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5629.727686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5629.727686][ T3767] ip6_route_add+0x1c/0x140 [ 5629.727686][ T3767] addrconf_add_mroute+0x129/0x180 [ 5629.727686][ T3767] addrconf_add_dev+0xe2/0x170 [ 5629.727686][ T3767] inet6_addr_add+0x12f/0xa40 [ 5629.727686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5629.727686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.727686][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.727686][ T3767] netlink_unicast+0x449/0x710 [ 5629.727686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.727686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.727686][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.727686][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.727686][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.727686][ T3767] [ 5629.730089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5629.730089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5629.730089][ T3767] ipv6_find_idev+0x102/0x170 [ 5629.730089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5629.730089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.730089][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.730089][ T3767] netlink_unicast+0x449/0x710 [ 5629.730089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.730089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.730089][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.730089][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.730089][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.730089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.730089][ T3767] [ 5629.731976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5629.731976][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5629.731976][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5629.731976][ T3767] ipv6_find_idev+0x102/0x170 [ 5629.731976][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5629.731976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5629.731976][ T3767] netlink_rcv_skb+0x130/0x360 [ 5629.731976][ T3767] netlink_unicast+0x449/0x710 [ 5629.731976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5629.731976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5629.731976][ T3767] ___sys_sendmsg+0xee/0x170 [ 5629.731976][ T3767] __sys_sendmsg+0xcd/0x170 [ 5629.731976][ T3767] do_syscall_64+0xc6/0x1e0 [ 5629.731976][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5629.731976][ T3767] [ 5639.983934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5639.984459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5639.984459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5639.984459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5639.984459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5639.984459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5639.984459][ T3767] ip6_route_add+0x1c/0x140 [ 5639.984459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5639.984459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.984459][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.984459][ T3767] netlink_unicast+0x449/0x710 [ 5639.984459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.984459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.984459][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.984459][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.984459][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.984459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.984459][ T3767] [ 5639.986800][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5639.986800][ T3767] netdev_get_by_index+0x5e/0x80 [ 5639.986800][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5639.986800][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5639.986800][ T3767] ip6_route_add+0x1c/0x140 [ 5639.986800][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5639.986800][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5639.986800][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.986800][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.986800][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.986800][ T3767] netlink_unicast+0x449/0x710 [ 5639.986800][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.986800][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.986800][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.986800][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.986800][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.986800][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.986800][ T3767] [ 5639.989241][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5639.989241][ T3767] netdev_get_by_index+0x5e/0x80 [ 5639.989241][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5639.989241][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5639.989241][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5639.989241][ T3767] ipv6_add_addr+0x411/0x2000 [ 5639.989241][ T3767] inet6_addr_add+0x30e/0xa40 [ 5639.989241][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.989241][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.989241][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.989241][ T3767] netlink_unicast+0x449/0x710 [ 5639.989241][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.989241][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.989241][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.989241][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.989241][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.989241][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.989241][ T3767] [ 5639.991683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5639.991683][ T3767] netdev_get_by_index+0x5e/0x80 [ 5639.991683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5639.991683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5639.991683][ T3767] ip6_route_add+0x1c/0x140 [ 5639.991683][ T3767] addrconf_add_mroute+0x129/0x180 [ 5639.991683][ T3767] addrconf_add_dev+0xe2/0x170 [ 5639.991683][ T3767] inet6_addr_add+0x12f/0xa40 [ 5639.991683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5639.991683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.991683][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.991683][ T3767] netlink_unicast+0x449/0x710 [ 5639.991683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.991683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.991683][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.991683][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.991683][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.991683][ T3767] [ 5639.994086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5639.994086][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5639.994086][ T3767] ipv6_find_idev+0x102/0x170 [ 5639.994086][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5639.994086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.994086][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.994086][ T3767] netlink_unicast+0x449/0x710 [ 5639.994086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.994086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.994086][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.994086][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.994086][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.994086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.994086][ T3767] [ 5639.995967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5639.995967][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5639.995967][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5639.995967][ T3767] ipv6_find_idev+0x102/0x170 [ 5639.995967][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5639.995967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5639.995967][ T3767] netlink_rcv_skb+0x130/0x360 [ 5639.995967][ T3767] netlink_unicast+0x449/0x710 [ 5639.995967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5639.995967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5639.995967][ T3767] ___sys_sendmsg+0xee/0x170 [ 5639.995967][ T3767] __sys_sendmsg+0xcd/0x170 [ 5639.995967][ T3767] do_syscall_64+0xc6/0x1e0 [ 5639.995967][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5639.995967][ T3767] [ 5650.247961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5650.248474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5650.248474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5650.248474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5650.248474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5650.248474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5650.248474][ T3767] ip6_route_add+0x1c/0x140 [ 5650.248474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5650.248474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.248474][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.248474][ T3767] netlink_unicast+0x449/0x710 [ 5650.248474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.248474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.248474][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.248474][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.248474][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.248474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.248474][ T3767] [ 5650.250802][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5650.250802][ T3767] netdev_get_by_index+0x5e/0x80 [ 5650.250802][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5650.250802][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5650.250802][ T3767] ip6_route_add+0x1c/0x140 [ 5650.250802][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5650.250802][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5650.250802][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.250802][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.250802][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.250802][ T3767] netlink_unicast+0x449/0x710 [ 5650.250802][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.250802][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.250802][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.250802][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.250802][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.250802][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.250802][ T3767] [ 5650.253244][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5650.253244][ T3767] netdev_get_by_index+0x5e/0x80 [ 5650.253244][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5650.253244][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5650.253244][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5650.253244][ T3767] ipv6_add_addr+0x411/0x2000 [ 5650.253244][ T3767] inet6_addr_add+0x30e/0xa40 [ 5650.253244][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.253244][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.253244][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.253244][ T3767] netlink_unicast+0x449/0x710 [ 5650.253244][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.253244][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.253244][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.253244][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.253244][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.253244][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.253244][ T3767] [ 5650.255691][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5650.255691][ T3767] netdev_get_by_index+0x5e/0x80 [ 5650.255691][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5650.255691][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5650.255691][ T3767] ip6_route_add+0x1c/0x140 [ 5650.255691][ T3767] addrconf_add_mroute+0x129/0x180 [ 5650.255691][ T3767] addrconf_add_dev+0xe2/0x170 [ 5650.255691][ T3767] inet6_addr_add+0x12f/0xa40 [ 5650.255691][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5650.255691][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.255691][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.255691][ T3767] netlink_unicast+0x449/0x710 [ 5650.255691][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.255691][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.255691][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.255691][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.255691][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.255691][ T3767] [ 5650.258100][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5650.258100][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5650.258100][ T3767] ipv6_find_idev+0x102/0x170 [ 5650.258100][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5650.258100][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.258100][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.258100][ T3767] netlink_unicast+0x449/0x710 [ 5650.258100][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.258100][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.258100][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.258100][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.258100][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.258100][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.258100][ T3767] [ 5650.259979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5650.259979][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5650.259979][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5650.259979][ T3767] ipv6_find_idev+0x102/0x170 [ 5650.259979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5650.259979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5650.259979][ T3767] netlink_rcv_skb+0x130/0x360 [ 5650.259979][ T3767] netlink_unicast+0x449/0x710 [ 5650.259979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5650.259979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5650.259979][ T3767] ___sys_sendmsg+0xee/0x170 [ 5650.259979][ T3767] __sys_sendmsg+0xcd/0x170 [ 5650.259979][ T3767] do_syscall_64+0xc6/0x1e0 [ 5650.259979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5650.259979][ T3767] [ 5660.271957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5660.272477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5660.272477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5660.272477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5660.272477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5660.272477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5660.272477][ T3767] ip6_route_add+0x1c/0x140 [ 5660.272477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5660.272477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.272477][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.272477][ T3767] netlink_unicast+0x449/0x710 [ 5660.272477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.272477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.272477][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.272477][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.272477][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.272477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.272477][ T3767] [ 5660.274826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5660.274826][ T3767] netdev_get_by_index+0x5e/0x80 [ 5660.274826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5660.274826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5660.274826][ T3767] ip6_route_add+0x1c/0x140 [ 5660.274826][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5660.274826][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5660.274826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.274826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.274826][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.274826][ T3767] netlink_unicast+0x449/0x710 [ 5660.274826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.274826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.274826][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.274826][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.274826][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.274826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.274826][ T3767] [ 5660.277268][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5660.277268][ T3767] netdev_get_by_index+0x5e/0x80 [ 5660.277268][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5660.277268][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5660.277268][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5660.277268][ T3767] ipv6_add_addr+0x411/0x2000 [ 5660.277268][ T3767] inet6_addr_add+0x30e/0xa40 [ 5660.277268][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.277268][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.277268][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.277268][ T3767] netlink_unicast+0x449/0x710 [ 5660.277268][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.277268][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.277268][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.277268][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.277268][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.277268][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.277268][ T3767] [ 5660.279709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5660.279709][ T3767] netdev_get_by_index+0x5e/0x80 [ 5660.279709][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5660.279709][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5660.279709][ T3767] ip6_route_add+0x1c/0x140 [ 5660.279709][ T3767] addrconf_add_mroute+0x129/0x180 [ 5660.279709][ T3767] addrconf_add_dev+0xe2/0x170 [ 5660.279709][ T3767] inet6_addr_add+0x12f/0xa40 [ 5660.279709][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5660.279709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.279709][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.279709][ T3767] netlink_unicast+0x449/0x710 [ 5660.279709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.279709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.279709][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.279709][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.279709][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.279709][ T3767] [ 5660.282113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5660.282113][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5660.282113][ T3767] ipv6_find_idev+0x102/0x170 [ 5660.282113][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5660.282113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.282113][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.282113][ T3767] netlink_unicast+0x449/0x710 [ 5660.282113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.282113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.282113][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.282113][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.282113][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.282113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.282113][ T3767] [ 5660.283985][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5660.283985][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5660.283985][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5660.283985][ T3767] ipv6_find_idev+0x102/0x170 [ 5660.283985][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5660.283985][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5660.283985][ T3767] netlink_rcv_skb+0x130/0x360 [ 5660.283985][ T3767] netlink_unicast+0x449/0x710 [ 5660.283985][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5660.283985][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5660.283985][ T3767] ___sys_sendmsg+0xee/0x170 [ 5660.283985][ T3767] __sys_sendmsg+0xcd/0x170 [ 5660.283985][ T3767] do_syscall_64+0xc6/0x1e0 [ 5660.283985][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5660.283985][ T3767] [ 5670.527944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5670.528456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5670.528456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5670.528456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5670.528456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5670.528456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5670.528456][ T3767] ip6_route_add+0x1c/0x140 [ 5670.528456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5670.528456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.528456][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.528456][ T3767] netlink_unicast+0x449/0x710 [ 5670.528456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.528456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.528456][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.528456][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.528456][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.528456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.528456][ T3767] [ 5670.530554][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5670.530554][ T3767] netdev_get_by_index+0x5e/0x80 [ 5670.530554][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5670.530554][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5670.530554][ T3767] ip6_route_add+0x1c/0x140 [ 5670.530554][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5670.530554][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5670.530554][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.530554][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.530554][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.530554][ T3767] netlink_unicast+0x449/0x710 [ 5670.530554][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.530554][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.530554][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.530554][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.530554][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.530554][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.530554][ T3767] [ 5670.532735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5670.532735][ T3767] netdev_get_by_index+0x5e/0x80 [ 5670.532735][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5670.532735][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5670.532735][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5670.532735][ T3767] ipv6_add_addr+0x411/0x2000 [ 5670.532735][ T3767] inet6_addr_add+0x30e/0xa40 [ 5670.532735][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.532735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.532735][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.532735][ T3767] netlink_unicast+0x449/0x710 [ 5670.532735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.532735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.532735][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.532735][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.532735][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.532735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.532735][ T3767] [ 5670.534918][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5670.534918][ T3767] netdev_get_by_index+0x5e/0x80 [ 5670.534918][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5670.534918][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5670.534918][ T3767] ip6_route_add+0x1c/0x140 [ 5670.534918][ T3767] addrconf_add_mroute+0x129/0x180 [ 5670.534918][ T3767] addrconf_add_dev+0xe2/0x170 [ 5670.534918][ T3767] inet6_addr_add+0x12f/0xa40 [ 5670.534918][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5670.534918][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.534918][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.534918][ T3767] netlink_unicast+0x449/0x710 [ 5670.534918][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.534918][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.534918][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.534918][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.534918][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.534918][ T3767] [ 5670.537057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5670.537057][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5670.537057][ T3767] ipv6_find_idev+0x102/0x170 [ 5670.537057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5670.537057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.537057][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.537057][ T3767] netlink_unicast+0x449/0x710 [ 5670.537057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.537057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.537057][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.537057][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.537057][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.537057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.537057][ T3767] [ 5670.538733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5670.538733][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5670.538733][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5670.538733][ T3767] ipv6_find_idev+0x102/0x170 [ 5670.538733][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5670.538733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5670.538733][ T3767] netlink_rcv_skb+0x130/0x360 [ 5670.538733][ T3767] netlink_unicast+0x449/0x710 [ 5670.538733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5670.538733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5670.538733][ T3767] ___sys_sendmsg+0xee/0x170 [ 5670.538733][ T3767] __sys_sendmsg+0xcd/0x170 [ 5670.538733][ T3767] do_syscall_64+0xc6/0x1e0 [ 5670.538733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5670.538733][ T3767] [ 5680.687941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5680.688362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5680.688362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5680.688362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5680.688362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5680.688362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5680.688362][ T3767] ip6_route_add+0x1c/0x140 [ 5680.688362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5680.688362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.688362][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.688362][ T3767] netlink_unicast+0x449/0x710 [ 5680.688362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.688362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.688362][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.688362][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.688362][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.688362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.688362][ T3767] [ 5680.690443][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5680.690443][ T3767] netdev_get_by_index+0x5e/0x80 [ 5680.690443][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5680.690443][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5680.690443][ T3767] ip6_route_add+0x1c/0x140 [ 5680.690443][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5680.690443][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5680.690443][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.690443][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.690443][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.690443][ T3767] netlink_unicast+0x449/0x710 [ 5680.690443][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.690443][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.690443][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.690443][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.690443][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.690443][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.690443][ T3767] [ 5680.692625][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5680.692625][ T3767] netdev_get_by_index+0x5e/0x80 [ 5680.692625][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5680.692625][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5680.692625][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5680.692625][ T3767] ipv6_add_addr+0x411/0x2000 [ 5680.692625][ T3767] inet6_addr_add+0x30e/0xa40 [ 5680.692625][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.692625][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.692625][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.692625][ T3767] netlink_unicast+0x449/0x710 [ 5680.692625][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.692625][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.692625][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.692625][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.692625][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.692625][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.692625][ T3767] [ 5680.694810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5680.694810][ T3767] netdev_get_by_index+0x5e/0x80 [ 5680.694810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5680.694810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5680.694810][ T3767] ip6_route_add+0x1c/0x140 [ 5680.694810][ T3767] addrconf_add_mroute+0x129/0x180 [ 5680.694810][ T3767] addrconf_add_dev+0xe2/0x170 [ 5680.694810][ T3767] inet6_addr_add+0x12f/0xa40 [ 5680.694810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5680.694810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.694810][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.694810][ T3767] netlink_unicast+0x449/0x710 [ 5680.694810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.694810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.694810][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.694810][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.694810][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.694810][ T3767] [ 5680.696953][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5680.696953][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5680.696953][ T3767] ipv6_find_idev+0x102/0x170 [ 5680.696953][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5680.696953][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.696953][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.696953][ T3767] netlink_unicast+0x449/0x710 [ 5680.696953][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.696953][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.696953][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.696953][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.696953][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.696953][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.696953][ T3767] [ 5680.698629][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5680.698629][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5680.698629][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5680.698629][ T3767] ipv6_find_idev+0x102/0x170 [ 5680.698629][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5680.698629][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5680.698629][ T3767] netlink_rcv_skb+0x130/0x360 [ 5680.698629][ T3767] netlink_unicast+0x449/0x710 [ 5680.698629][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5680.698629][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5680.698629][ T3767] ___sys_sendmsg+0xee/0x170 [ 5680.698629][ T3767] __sys_sendmsg+0xcd/0x170 [ 5680.698629][ T3767] do_syscall_64+0xc6/0x1e0 [ 5680.698629][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5680.698629][ T3767] [ 5690.935946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5690.936411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5690.936411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5690.936411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5690.936411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5690.936411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5690.936411][ T3767] ip6_route_add+0x1c/0x140 [ 5690.936411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5690.936411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.936411][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.936411][ T3767] netlink_unicast+0x449/0x710 [ 5690.936411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.936411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.936411][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.936411][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.936411][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.936411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5690.936411][ T3767] [ 5690.938499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5690.938499][ T3767] netdev_get_by_index+0x5e/0x80 [ 5690.938499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5690.938499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5690.938499][ T3767] ip6_route_add+0x1c/0x140 [ 5690.938499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5690.938499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5690.938499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5690.938499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.938499][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.938499][ T3767] netlink_unicast+0x449/0x710 [ 5690.938499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.938499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.938499][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.938499][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.938499][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.938499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5690.938499][ T3767] [ 5690.940700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5690.940700][ T3767] netdev_get_by_index+0x5e/0x80 [ 5690.940700][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5690.940700][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5690.940700][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5690.940700][ T3767] ipv6_add_addr+0x411/0x2000 [ 5690.940700][ T3767] inet6_addr_add+0x30e/0xa40 [ 5690.940700][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5690.940700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.940700][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.940700][ T3767] netlink_unicast+0x449/0x710 [ 5690.940700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.940700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.940700][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.940700][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.940700][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.940700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5690.940700][ T3767] [ 5690.942883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5690.942883][ T3767] netdev_get_by_index+0x5e/0x80 [ 5690.942883][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5690.942883][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5690.942883][ T3767] ip6_route_add+0x1c/0x140 [ 5690.942883][ T3767] addrconf_add_mroute+0x129/0x180 [ 5690.942883][ T3767] addrconf_add_dev+0xe2/0x170 [ 5690.942883][ T3767] inet6_addr_add+0x12f/0xa40 [ 5690.942883][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5690.942883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.942883][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.942883][ T3767] netlink_unicast+0x449/0x710 [ 5690.942883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.942883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.942883][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.942883][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.942883][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.942883][ T3767] [ 5690.945031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5690.945031][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5690.945031][ T3767] ipv6_find_idev+0x102/0x170 [ 5690.945031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5690.945031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.945031][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.945031][ T3767] netlink_unicast+0x449/0x710 [ 5690.945031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.945031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.945031][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.945031][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.945031][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.945031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5690.945031][ T3767] [ 5690.946708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5690.946708][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5690.946708][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5690.946708][ T3767] ipv6_find_idev+0x102/0x170 [ 5690.946708][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5690.946708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5690.946708][ T3767] netlink_rcv_skb+0x130/0x360 [ 5690.946708][ T3767] netlink_unicast+0x449/0x710 [ 5690.946708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5690.946708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5690.946708][ T3767] ___sys_sendmsg+0xee/0x170 [ 5690.946708][ T3767] __sys_sendmsg+0xcd/0x170 [ 5690.946708][ T3767] do_syscall_64+0xc6/0x1e0 [ 5690.946708][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5690.946708][ T3767] [ 5701.183948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5701.184417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5701.184417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5701.184417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5701.184417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5701.184417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5701.184417][ T3767] ip6_route_add+0x1c/0x140 [ 5701.184417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5701.184417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.184417][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.184417][ T3767] netlink_unicast+0x449/0x710 [ 5701.184417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.184417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.184417][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.184417][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.184417][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.184417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.184417][ T3767] [ 5701.186488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5701.186488][ T3767] netdev_get_by_index+0x5e/0x80 [ 5701.186488][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5701.186488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5701.186488][ T3767] ip6_route_add+0x1c/0x140 [ 5701.186488][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5701.186488][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5701.186488][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.186488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.186488][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.186488][ T3767] netlink_unicast+0x449/0x710 [ 5701.186488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.186488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.186488][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.186488][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.186488][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.186488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.186488][ T3767] [ 5701.188674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5701.188674][ T3767] netdev_get_by_index+0x5e/0x80 [ 5701.188674][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5701.188674][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5701.188674][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5701.188674][ T3767] ipv6_add_addr+0x411/0x2000 [ 5701.188674][ T3767] inet6_addr_add+0x30e/0xa40 [ 5701.188674][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.188674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.188674][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.188674][ T3767] netlink_unicast+0x449/0x710 [ 5701.188674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.188674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.188674][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.188674][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.188674][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.188674][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.188674][ T3767] [ 5701.191388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5701.191388][ T3767] netdev_get_by_index+0x5e/0x80 [ 5701.191388][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5701.191388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5701.191388][ T3767] ip6_route_add+0x1c/0x140 [ 5701.191388][ T3767] addrconf_add_mroute+0x129/0x180 [ 5701.191388][ T3767] addrconf_add_dev+0xe2/0x170 [ 5701.191388][ T3767] inet6_addr_add+0x12f/0xa40 [ 5701.191388][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5701.191388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.191388][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.191388][ T3767] netlink_unicast+0x449/0x710 [ 5701.191388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.191388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.191388][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.191388][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.191388][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.191388][ T3767] [ 5701.193530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5701.193530][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5701.193530][ T3767] ipv6_find_idev+0x102/0x170 [ 5701.193530][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5701.193530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.193530][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.193530][ T3767] netlink_unicast+0x449/0x710 [ 5701.193530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.193530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.193530][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.193530][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.193530][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.193530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.193530][ T3767] [ 5701.195206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5701.195206][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5701.195206][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5701.195206][ T3767] ipv6_find_idev+0x102/0x170 [ 5701.195206][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5701.195206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5701.195206][ T3767] netlink_rcv_skb+0x130/0x360 [ 5701.195206][ T3767] netlink_unicast+0x449/0x710 [ 5701.195206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5701.195206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5701.195206][ T3767] ___sys_sendmsg+0xee/0x170 [ 5701.195206][ T3767] __sys_sendmsg+0xcd/0x170 [ 5701.195206][ T3767] do_syscall_64+0xc6/0x1e0 [ 5701.195206][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5701.195206][ T3767] [ 5711.351948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5711.352432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5711.352432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5711.352432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5711.352432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5711.352432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5711.352432][ T3767] ip6_route_add+0x1c/0x140 [ 5711.352432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5711.352432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.352432][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.352432][ T3767] netlink_unicast+0x449/0x710 [ 5711.352432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.352432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.352432][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.352432][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.352432][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.352432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.352432][ T3767] [ 5711.354530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5711.354530][ T3767] netdev_get_by_index+0x5e/0x80 [ 5711.354530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5711.354530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5711.354530][ T3767] ip6_route_add+0x1c/0x140 [ 5711.354530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5711.354530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5711.354530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.354530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.354530][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.354530][ T3767] netlink_unicast+0x449/0x710 [ 5711.354530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.354530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.354530][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.354530][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.354530][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.354530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.354530][ T3767] [ 5711.356747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5711.356747][ T3767] netdev_get_by_index+0x5e/0x80 [ 5711.356747][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5711.356747][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5711.356747][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5711.356747][ T3767] ipv6_add_addr+0x411/0x2000 [ 5711.356747][ T3767] inet6_addr_add+0x30e/0xa40 [ 5711.356747][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.356747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.356747][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.356747][ T3767] netlink_unicast+0x449/0x710 [ 5711.356747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.356747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.356747][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.356747][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.356747][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.356747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.356747][ T3767] [ 5711.358952][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5711.358952][ T3767] netdev_get_by_index+0x5e/0x80 [ 5711.358952][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5711.358952][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5711.358952][ T3767] ip6_route_add+0x1c/0x140 [ 5711.358952][ T3767] addrconf_add_mroute+0x129/0x180 [ 5711.358952][ T3767] addrconf_add_dev+0xe2/0x170 [ 5711.358952][ T3767] inet6_addr_add+0x12f/0xa40 [ 5711.358952][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5711.358952][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.358952][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.358952][ T3767] netlink_unicast+0x449/0x710 [ 5711.358952][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.358952][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.358952][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.358952][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.358952][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.358952][ T3767] [ 5711.361136][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5711.361136][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5711.361136][ T3767] ipv6_find_idev+0x102/0x170 [ 5711.361136][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5711.361136][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.361136][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.361136][ T3767] netlink_unicast+0x449/0x710 [ 5711.361136][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.361136][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.361136][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.361136][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.361136][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.361136][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.361136][ T3767] [ 5711.362841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5711.362841][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5711.362841][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5711.362841][ T3767] ipv6_find_idev+0x102/0x170 [ 5711.362841][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5711.362841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5711.362841][ T3767] netlink_rcv_skb+0x130/0x360 [ 5711.362841][ T3767] netlink_unicast+0x449/0x710 [ 5711.362841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5711.362841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5711.362841][ T3767] ___sys_sendmsg+0xee/0x170 [ 5711.362841][ T3767] __sys_sendmsg+0xcd/0x170 [ 5711.362841][ T3767] do_syscall_64+0xc6/0x1e0 [ 5711.362841][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5711.362841][ T3767] [ 5721.615941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5721.616432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5721.616432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5721.616432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5721.616432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5721.616432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5721.616432][ T3767] ip6_route_add+0x1c/0x140 [ 5721.616432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5721.616432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.616432][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.616432][ T3767] netlink_unicast+0x449/0x710 [ 5721.616432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.616432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.616432][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.616432][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.616432][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.616432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.616432][ T3767] [ 5721.618531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5721.618531][ T3767] netdev_get_by_index+0x5e/0x80 [ 5721.618531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5721.618531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5721.618531][ T3767] ip6_route_add+0x1c/0x140 [ 5721.618531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5721.618531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5721.618531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.618531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.618531][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.618531][ T3767] netlink_unicast+0x449/0x710 [ 5721.618531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.618531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.618531][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.618531][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.618531][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.618531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.618531][ T3767] [ 5721.620754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5721.620754][ T3767] netdev_get_by_index+0x5e/0x80 [ 5721.620754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5721.620754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5721.620754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5721.620754][ T3767] ipv6_add_addr+0x411/0x2000 [ 5721.620754][ T3767] inet6_addr_add+0x30e/0xa40 [ 5721.620754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.620754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.620754][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.620754][ T3767] netlink_unicast+0x449/0x710 [ 5721.620754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.620754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.620754][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.620754][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.620754][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.620754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.620754][ T3767] [ 5721.622956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5721.622956][ T3767] netdev_get_by_index+0x5e/0x80 [ 5721.622956][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5721.622956][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5721.622956][ T3767] ip6_route_add+0x1c/0x140 [ 5721.622956][ T3767] addrconf_add_mroute+0x129/0x180 [ 5721.622956][ T3767] addrconf_add_dev+0xe2/0x170 [ 5721.622956][ T3767] inet6_addr_add+0x12f/0xa40 [ 5721.622956][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5721.622956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.622956][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.622956][ T3767] netlink_unicast+0x449/0x710 [ 5721.622956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.622956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.622956][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.622956][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.622956][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.622956][ T3767] [ 5721.625510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5721.625510][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5721.625510][ T3767] ipv6_find_idev+0x102/0x170 [ 5721.625510][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5721.625510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.625510][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.625510][ T3767] netlink_unicast+0x449/0x710 [ 5721.625510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.625510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.625510][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.625510][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.625510][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.625510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.625510][ T3767] [ 5721.627205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5721.627205][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5721.627205][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5721.627205][ T3767] ipv6_find_idev+0x102/0x170 [ 5721.627205][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5721.627205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5721.627205][ T3767] netlink_rcv_skb+0x130/0x360 [ 5721.627205][ T3767] netlink_unicast+0x449/0x710 [ 5721.627205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5721.627205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5721.627205][ T3767] ___sys_sendmsg+0xee/0x170 [ 5721.627205][ T3767] __sys_sendmsg+0xcd/0x170 [ 5721.627205][ T3767] do_syscall_64+0xc6/0x1e0 [ 5721.627205][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5721.627205][ T3767] [ 5731.863948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5731.864477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5731.864477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5731.864477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5731.864477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5731.864477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5731.864477][ T3767] ip6_route_add+0x1c/0x140 [ 5731.864477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5731.864477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.864477][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.864477][ T3767] netlink_unicast+0x449/0x710 [ 5731.864477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.864477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.864477][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.864477][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.864477][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.864477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5731.864477][ T3767] [ 5731.866806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5731.866806][ T3767] netdev_get_by_index+0x5e/0x80 [ 5731.866806][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5731.866806][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5731.866806][ T3767] ip6_route_add+0x1c/0x140 [ 5731.866806][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5731.866806][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5731.866806][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5731.866806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.866806][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.866806][ T3767] netlink_unicast+0x449/0x710 [ 5731.866806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.866806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.866806][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.866806][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.866806][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.866806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5731.866806][ T3767] [ 5731.869254][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5731.869254][ T3767] netdev_get_by_index+0x5e/0x80 [ 5731.869254][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5731.869254][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5731.869254][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5731.869254][ T3767] ipv6_add_addr+0x411/0x2000 [ 5731.869254][ T3767] inet6_addr_add+0x30e/0xa40 [ 5731.869254][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5731.869254][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.869254][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.869254][ T3767] netlink_unicast+0x449/0x710 [ 5731.869254][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.869254][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.869254][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.869254][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.869254][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.869254][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5731.869254][ T3767] [ 5731.871693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5731.871693][ T3767] netdev_get_by_index+0x5e/0x80 [ 5731.871693][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5731.871693][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5731.871693][ T3767] ip6_route_add+0x1c/0x140 [ 5731.871693][ T3767] addrconf_add_mroute+0x129/0x180 [ 5731.871693][ T3767] addrconf_add_dev+0xe2/0x170 [ 5731.871693][ T3767] inet6_addr_add+0x12f/0xa40 [ 5731.871693][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5731.871693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.871693][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.871693][ T3767] netlink_unicast+0x449/0x710 [ 5731.871693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.871693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.871693][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.871693][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.871693][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.871693][ T3767] [ 5731.874092][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5731.874092][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5731.874092][ T3767] ipv6_find_idev+0x102/0x170 [ 5731.874092][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5731.874092][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.874092][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.874092][ T3767] netlink_unicast+0x449/0x710 [ 5731.874092][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.874092][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.874092][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.874092][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.874092][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.874092][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5731.874092][ T3767] [ 5731.875963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5731.875963][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5731.875963][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5731.875963][ T3767] ipv6_find_idev+0x102/0x170 [ 5731.875963][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5731.875963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5731.875963][ T3767] netlink_rcv_skb+0x130/0x360 [ 5731.875963][ T3767] netlink_unicast+0x449/0x710 [ 5731.875963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5731.875963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5731.875963][ T3767] ___sys_sendmsg+0xee/0x170 [ 5731.875963][ T3767] __sys_sendmsg+0xcd/0x170 [ 5731.875963][ T3767] do_syscall_64+0xc6/0x1e0 [ 5731.875963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5731.875963][ T3767] [ 5742.119865][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5742.120389][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5742.120389][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5742.120389][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5742.120389][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5742.120389][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5742.120389][ T3767] ip6_route_add+0x1c/0x140 [ 5742.120389][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5742.120389][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.120389][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.120389][ T3767] netlink_unicast+0x449/0x710 [ 5742.120389][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.120389][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.120389][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.120389][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.120389][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.120389][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.120389][ T3767] [ 5742.122732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5742.122732][ T3767] netdev_get_by_index+0x5e/0x80 [ 5742.122732][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5742.122732][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5742.122732][ T3767] ip6_route_add+0x1c/0x140 [ 5742.122732][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5742.122732][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5742.122732][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.122732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.122732][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.122732][ T3767] netlink_unicast+0x449/0x710 [ 5742.122732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.122732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.122732][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.122732][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.122732][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.122732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.122732][ T3767] [ 5742.125204][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5742.125204][ T3767] netdev_get_by_index+0x5e/0x80 [ 5742.125204][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5742.125204][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5742.125204][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5742.125204][ T3767] ipv6_add_addr+0x411/0x2000 [ 5742.125204][ T3767] inet6_addr_add+0x30e/0xa40 [ 5742.125204][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.125204][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.125204][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.125204][ T3767] netlink_unicast+0x449/0x710 [ 5742.125204][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.125204][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.125204][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.125204][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.125204][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.125204][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.125204][ T3767] [ 5742.127649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5742.127649][ T3767] netdev_get_by_index+0x5e/0x80 [ 5742.127649][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5742.127649][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5742.127649][ T3767] ip6_route_add+0x1c/0x140 [ 5742.127649][ T3767] addrconf_add_mroute+0x129/0x180 [ 5742.127649][ T3767] addrconf_add_dev+0xe2/0x170 [ 5742.127649][ T3767] inet6_addr_add+0x12f/0xa40 [ 5742.127649][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5742.127649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.127649][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.127649][ T3767] netlink_unicast+0x449/0x710 [ 5742.127649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.127649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.127649][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.127649][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.127649][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.127649][ T3767] [ 5742.130090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5742.130090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5742.130090][ T3767] ipv6_find_idev+0x102/0x170 [ 5742.130090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5742.130090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.130090][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.130090][ T3767] netlink_unicast+0x449/0x710 [ 5742.130090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.130090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.130090][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.130090][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.130090][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.130090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.130090][ T3767] [ 5742.131981][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5742.131981][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5742.131981][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5742.131981][ T3767] ipv6_find_idev+0x102/0x170 [ 5742.131981][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5742.131981][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5742.131981][ T3767] netlink_rcv_skb+0x130/0x360 [ 5742.131981][ T3767] netlink_unicast+0x449/0x710 [ 5742.131981][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5742.131981][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5742.131981][ T3767] ___sys_sendmsg+0xee/0x170 [ 5742.131981][ T3767] __sys_sendmsg+0xcd/0x170 [ 5742.131981][ T3767] do_syscall_64+0xc6/0x1e0 [ 5742.131981][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5742.131981][ T3767] [ 5752.375940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5752.376463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5752.376463][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5752.376463][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5752.376463][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5752.376463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5752.376463][ T3767] ip6_route_add+0x1c/0x140 [ 5752.376463][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5752.376463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.376463][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.376463][ T3767] netlink_unicast+0x449/0x710 [ 5752.376463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.376463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.376463][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.376463][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.376463][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.376463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.376463][ T3767] [ 5752.378768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5752.378768][ T3767] netdev_get_by_index+0x5e/0x80 [ 5752.378768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5752.378768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5752.378768][ T3767] ip6_route_add+0x1c/0x140 [ 5752.378768][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5752.378768][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5752.378768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.378768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.378768][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.378768][ T3767] netlink_unicast+0x449/0x710 [ 5752.378768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.378768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.378768][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.378768][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.378768][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.378768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.378768][ T3767] [ 5752.381206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5752.381206][ T3767] netdev_get_by_index+0x5e/0x80 [ 5752.381206][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5752.381206][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5752.381206][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5752.381206][ T3767] ipv6_add_addr+0x411/0x2000 [ 5752.381206][ T3767] inet6_addr_add+0x30e/0xa40 [ 5752.381206][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.381206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.381206][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.381206][ T3767] netlink_unicast+0x449/0x710 [ 5752.381206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.381206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.381206][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.381206][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.381206][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.381206][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.381206][ T3767] [ 5752.383631][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5752.383631][ T3767] netdev_get_by_index+0x5e/0x80 [ 5752.383631][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5752.383631][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5752.383631][ T3767] ip6_route_add+0x1c/0x140 [ 5752.383631][ T3767] addrconf_add_mroute+0x129/0x180 [ 5752.383631][ T3767] addrconf_add_dev+0xe2/0x170 [ 5752.383631][ T3767] inet6_addr_add+0x12f/0xa40 [ 5752.383631][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5752.383631][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.383631][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.383631][ T3767] netlink_unicast+0x449/0x710 [ 5752.383631][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.383631][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.383631][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.383631][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.383631][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.383631][ T3767] [ 5752.386050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5752.386050][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5752.386050][ T3767] ipv6_find_idev+0x102/0x170 [ 5752.386050][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5752.386050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.386050][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.386050][ T3767] netlink_unicast+0x449/0x710 [ 5752.386050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.386050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.386050][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.386050][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.386050][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.386050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.386050][ T3767] [ 5752.387919][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5752.387919][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5752.387919][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5752.387919][ T3767] ipv6_find_idev+0x102/0x170 [ 5752.387919][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5752.387919][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5752.387919][ T3767] netlink_rcv_skb+0x130/0x360 [ 5752.387919][ T3767] netlink_unicast+0x449/0x710 [ 5752.387919][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5752.387919][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5752.387919][ T3767] ___sys_sendmsg+0xee/0x170 [ 5752.387919][ T3767] __sys_sendmsg+0xcd/0x170 [ 5752.387919][ T3767] do_syscall_64+0xc6/0x1e0 [ 5752.387919][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5752.387919][ T3767] [ 5762.631936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5762.632442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5762.632442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5762.632442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5762.632442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5762.632442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5762.632442][ T3767] ip6_route_add+0x1c/0x140 [ 5762.632442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5762.632442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.632442][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.632442][ T3767] netlink_unicast+0x449/0x710 [ 5762.632442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.632442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.632442][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.632442][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.632442][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.632442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.632442][ T3767] [ 5762.634552][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5762.634552][ T3767] netdev_get_by_index+0x5e/0x80 [ 5762.634552][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5762.634552][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5762.634552][ T3767] ip6_route_add+0x1c/0x140 [ 5762.634552][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5762.634552][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5762.634552][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.634552][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.634552][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.634552][ T3767] netlink_unicast+0x449/0x710 [ 5762.634552][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.634552][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.634552][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.634552][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.634552][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.634552][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.634552][ T3767] [ 5762.636765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5762.636765][ T3767] netdev_get_by_index+0x5e/0x80 [ 5762.636765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5762.636765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5762.636765][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5762.636765][ T3767] ipv6_add_addr+0x411/0x2000 [ 5762.636765][ T3767] inet6_addr_add+0x30e/0xa40 [ 5762.636765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.636765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.636765][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.636765][ T3767] netlink_unicast+0x449/0x710 [ 5762.636765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.636765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.636765][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.636765][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.636765][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.636765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.636765][ T3767] [ 5762.638977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5762.638977][ T3767] netdev_get_by_index+0x5e/0x80 [ 5762.638977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5762.638977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5762.638977][ T3767] ip6_route_add+0x1c/0x140 [ 5762.638977][ T3767] addrconf_add_mroute+0x129/0x180 [ 5762.638977][ T3767] addrconf_add_dev+0xe2/0x170 [ 5762.638977][ T3767] inet6_addr_add+0x12f/0xa40 [ 5762.638977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5762.638977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.638977][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.638977][ T3767] netlink_unicast+0x449/0x710 [ 5762.638977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.638977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.638977][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.638977][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.638977][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.638977][ T3767] [ 5762.641178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5762.641178][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5762.641178][ T3767] ipv6_find_idev+0x102/0x170 [ 5762.641178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5762.641178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.641178][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.641178][ T3767] netlink_unicast+0x449/0x710 [ 5762.641178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.641178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.641178][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.641178][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.641178][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.641178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.641178][ T3767] [ 5762.642878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5762.642878][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5762.642878][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5762.642878][ T3767] ipv6_find_idev+0x102/0x170 [ 5762.642878][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5762.642878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5762.642878][ T3767] netlink_rcv_skb+0x130/0x360 [ 5762.642878][ T3767] netlink_unicast+0x449/0x710 [ 5762.642878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5762.642878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5762.642878][ T3767] ___sys_sendmsg+0xee/0x170 [ 5762.642878][ T3767] __sys_sendmsg+0xcd/0x170 [ 5762.642878][ T3767] do_syscall_64+0xc6/0x1e0 [ 5762.642878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5762.642878][ T3767] [ 5772.880004][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5772.880514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5772.880514][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5772.880514][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5772.880514][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5772.880514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5772.880514][ T3767] ip6_route_add+0x1c/0x140 [ 5772.880514][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5772.880514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.880514][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.880514][ T3767] netlink_unicast+0x449/0x710 [ 5772.880514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.880514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.880514][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.880514][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.880514][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.880514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.880514][ T3767] [ 5772.882610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5772.882610][ T3767] netdev_get_by_index+0x5e/0x80 [ 5772.882610][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5772.882610][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5772.882610][ T3767] ip6_route_add+0x1c/0x140 [ 5772.882610][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5772.882610][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5772.882610][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.882610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.882610][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.882610][ T3767] netlink_unicast+0x449/0x710 [ 5772.882610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.882610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.882610][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.882610][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.882610][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.882610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.882610][ T3767] [ 5772.884815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5772.884815][ T3767] netdev_get_by_index+0x5e/0x80 [ 5772.884815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5772.884815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5772.884815][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5772.884815][ T3767] ipv6_add_addr+0x411/0x2000 [ 5772.884815][ T3767] inet6_addr_add+0x30e/0xa40 [ 5772.884815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.884815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.884815][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.884815][ T3767] netlink_unicast+0x449/0x710 [ 5772.884815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.884815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.884815][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.884815][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.884815][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.884815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.884815][ T3767] [ 5772.887025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5772.887025][ T3767] netdev_get_by_index+0x5e/0x80 [ 5772.887025][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5772.887025][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5772.887025][ T3767] ip6_route_add+0x1c/0x140 [ 5772.887025][ T3767] addrconf_add_mroute+0x129/0x180 [ 5772.887025][ T3767] addrconf_add_dev+0xe2/0x170 [ 5772.887025][ T3767] inet6_addr_add+0x12f/0xa40 [ 5772.887025][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5772.887025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.887025][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.887025][ T3767] netlink_unicast+0x449/0x710 [ 5772.887025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.887025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.887025][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.887025][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.887025][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.887025][ T3767] [ 5772.889217][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5772.889217][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5772.889217][ T3767] ipv6_find_idev+0x102/0x170 [ 5772.889217][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.889217][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.889217][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.889217][ T3767] netlink_unicast+0x449/0x710 [ 5772.889217][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.889217][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.889217][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.889217][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.889217][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.889217][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.889217][ T3767] [ 5772.890925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5772.890925][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5772.890925][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5772.890925][ T3767] ipv6_find_idev+0x102/0x170 [ 5772.890925][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5772.890925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5772.890925][ T3767] netlink_rcv_skb+0x130/0x360 [ 5772.890925][ T3767] netlink_unicast+0x449/0x710 [ 5772.890925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5772.890925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5772.890925][ T3767] ___sys_sendmsg+0xee/0x170 [ 5772.890925][ T3767] __sys_sendmsg+0xcd/0x170 [ 5772.890925][ T3767] do_syscall_64+0xc6/0x1e0 [ 5772.890925][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5772.890925][ T3767] [ 5783.095945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5783.096421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5783.096421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5783.096421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5783.096421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5783.096421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5783.096421][ T3767] ip6_route_add+0x1c/0x140 [ 5783.096421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5783.096421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.096421][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.096421][ T3767] netlink_unicast+0x449/0x710 [ 5783.096421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.096421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.096421][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.096421][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.096421][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.096421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.096421][ T3767] [ 5783.098512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5783.098512][ T3767] netdev_get_by_index+0x5e/0x80 [ 5783.098512][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5783.098512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5783.098512][ T3767] ip6_route_add+0x1c/0x140 [ 5783.098512][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5783.098512][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5783.098512][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.098512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.098512][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.098512][ T3767] netlink_unicast+0x449/0x710 [ 5783.098512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.098512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.098512][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.098512][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.098512][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.098512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.098512][ T3767] [ 5783.100734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5783.100734][ T3767] netdev_get_by_index+0x5e/0x80 [ 5783.100734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5783.100734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5783.100734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5783.100734][ T3767] ipv6_add_addr+0x411/0x2000 [ 5783.100734][ T3767] inet6_addr_add+0x30e/0xa40 [ 5783.100734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.100734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.100734][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.100734][ T3767] netlink_unicast+0x449/0x710 [ 5783.100734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.100734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.100734][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.100734][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.100734][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.100734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.100734][ T3767] [ 5783.102928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5783.102928][ T3767] netdev_get_by_index+0x5e/0x80 [ 5783.102928][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5783.102928][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5783.102928][ T3767] ip6_route_add+0x1c/0x140 [ 5783.102928][ T3767] addrconf_add_mroute+0x129/0x180 [ 5783.102928][ T3767] addrconf_add_dev+0xe2/0x170 [ 5783.102928][ T3767] inet6_addr_add+0x12f/0xa40 [ 5783.102928][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5783.102928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.102928][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.102928][ T3767] netlink_unicast+0x449/0x710 [ 5783.102928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.102928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.102928][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.102928][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.102928][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.102928][ T3767] [ 5783.105091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5783.105091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5783.105091][ T3767] ipv6_find_idev+0x102/0x170 [ 5783.105091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5783.105091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.105091][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.105091][ T3767] netlink_unicast+0x449/0x710 [ 5783.105091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.105091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.105091][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.105091][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.105091][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.105091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.105091][ T3767] [ 5783.106785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5783.106785][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5783.106785][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5783.106785][ T3767] ipv6_find_idev+0x102/0x170 [ 5783.106785][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5783.106785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5783.106785][ T3767] netlink_rcv_skb+0x130/0x360 [ 5783.106785][ T3767] netlink_unicast+0x449/0x710 [ 5783.106785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5783.106785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5783.106785][ T3767] ___sys_sendmsg+0xee/0x170 [ 5783.106785][ T3767] __sys_sendmsg+0xcd/0x170 [ 5783.106785][ T3767] do_syscall_64+0xc6/0x1e0 [ 5783.106785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5783.106785][ T3767] [ 5793.191974][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5793.192456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5793.192456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5793.192456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5793.192456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5793.192456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5793.192456][ T3767] ip6_route_add+0x1c/0x140 [ 5793.192456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5793.192456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.192456][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.192456][ T3767] netlink_unicast+0x449/0x710 [ 5793.192456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.192456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.192456][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.192456][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.192456][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.192456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.192456][ T3767] [ 5793.194549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5793.194549][ T3767] netdev_get_by_index+0x5e/0x80 [ 5793.194549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5793.194549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5793.194549][ T3767] ip6_route_add+0x1c/0x140 [ 5793.194549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5793.194549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5793.194549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.194549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.194549][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.194549][ T3767] netlink_unicast+0x449/0x710 [ 5793.194549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.194549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.194549][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.194549][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.194549][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.194549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.194549][ T3767] [ 5793.196763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5793.196763][ T3767] netdev_get_by_index+0x5e/0x80 [ 5793.196763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5793.196763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5793.196763][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5793.196763][ T3767] ipv6_add_addr+0x411/0x2000 [ 5793.196763][ T3767] inet6_addr_add+0x30e/0xa40 [ 5793.196763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.196763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.196763][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.196763][ T3767] netlink_unicast+0x449/0x710 [ 5793.196763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.196763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.196763][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.196763][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.196763][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.196763][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.196763][ T3767] [ 5793.198969][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5793.198969][ T3767] netdev_get_by_index+0x5e/0x80 [ 5793.198969][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5793.198969][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5793.198969][ T3767] ip6_route_add+0x1c/0x140 [ 5793.198969][ T3767] addrconf_add_mroute+0x129/0x180 [ 5793.198969][ T3767] addrconf_add_dev+0xe2/0x170 [ 5793.198969][ T3767] inet6_addr_add+0x12f/0xa40 [ 5793.198969][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5793.198969][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.198969][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.198969][ T3767] netlink_unicast+0x449/0x710 [ 5793.198969][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.198969][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.198969][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.198969][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.198969][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.198969][ T3767] [ 5793.201156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5793.201156][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5793.201156][ T3767] ipv6_find_idev+0x102/0x170 [ 5793.201156][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5793.201156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.201156][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.201156][ T3767] netlink_unicast+0x449/0x710 [ 5793.201156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.201156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.201156][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.201156][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.201156][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.201156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.201156][ T3767] [ 5793.202862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5793.202862][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5793.202862][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5793.202862][ T3767] ipv6_find_idev+0x102/0x170 [ 5793.202862][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5793.202862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5793.202862][ T3767] netlink_rcv_skb+0x130/0x360 [ 5793.202862][ T3767] netlink_unicast+0x449/0x710 [ 5793.202862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5793.202862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5793.202862][ T3767] ___sys_sendmsg+0xee/0x170 [ 5793.202862][ T3767] __sys_sendmsg+0xcd/0x170 [ 5793.202862][ T3767] do_syscall_64+0xc6/0x1e0 [ 5793.202862][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5793.202862][ T3767] [ 5803.455938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5803.456407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5803.456407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5803.456407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5803.456407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5803.456407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5803.456407][ T3767] ip6_route_add+0x1c/0x140 [ 5803.456407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5803.456407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.456407][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.456407][ T3767] netlink_unicast+0x449/0x710 [ 5803.456407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.456407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.456407][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.456407][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.456407][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.456407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.456407][ T3767] [ 5803.458533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5803.458533][ T3767] netdev_get_by_index+0x5e/0x80 [ 5803.458533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5803.458533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5803.458533][ T3767] ip6_route_add+0x1c/0x140 [ 5803.458533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5803.458533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5803.458533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.458533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.458533][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.458533][ T3767] netlink_unicast+0x449/0x710 [ 5803.458533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.458533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.458533][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.458533][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.458533][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.458533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.458533][ T3767] [ 5803.460751][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5803.460751][ T3767] netdev_get_by_index+0x5e/0x80 [ 5803.460751][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5803.460751][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5803.460751][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5803.460751][ T3767] ipv6_add_addr+0x411/0x2000 [ 5803.460751][ T3767] inet6_addr_add+0x30e/0xa40 [ 5803.460751][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.460751][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.460751][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.460751][ T3767] netlink_unicast+0x449/0x710 [ 5803.460751][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.460751][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.460751][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.460751][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.460751][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.460751][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.460751][ T3767] [ 5803.462946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5803.462946][ T3767] netdev_get_by_index+0x5e/0x80 [ 5803.462946][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5803.462946][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5803.462946][ T3767] ip6_route_add+0x1c/0x140 [ 5803.462946][ T3767] addrconf_add_mroute+0x129/0x180 [ 5803.462946][ T3767] addrconf_add_dev+0xe2/0x170 [ 5803.462946][ T3767] inet6_addr_add+0x12f/0xa40 [ 5803.462946][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5803.462946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.462946][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.462946][ T3767] netlink_unicast+0x449/0x710 [ 5803.462946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.462946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.462946][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.462946][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.462946][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.462946][ T3767] [ 5803.465106][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5803.465106][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5803.465106][ T3767] ipv6_find_idev+0x102/0x170 [ 5803.465106][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.465106][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.465106][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.465106][ T3767] netlink_unicast+0x449/0x710 [ 5803.465106][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.465106][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.465106][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.465106][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.465106][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.465106][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.465106][ T3767] [ 5803.466793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5803.466793][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5803.466793][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5803.466793][ T3767] ipv6_find_idev+0x102/0x170 [ 5803.466793][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5803.466793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5803.466793][ T3767] netlink_rcv_skb+0x130/0x360 [ 5803.466793][ T3767] netlink_unicast+0x449/0x710 [ 5803.466793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5803.466793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5803.466793][ T3767] ___sys_sendmsg+0xee/0x170 [ 5803.466793][ T3767] __sys_sendmsg+0xcd/0x170 [ 5803.466793][ T3767] do_syscall_64+0xc6/0x1e0 [ 5803.466793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5803.466793][ T3767] [ 5813.711938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5813.712413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5813.712413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5813.712413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5813.712413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5813.712413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5813.712413][ T3767] ip6_route_add+0x1c/0x140 [ 5813.712413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5813.712413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.712413][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.712413][ T3767] netlink_unicast+0x449/0x710 [ 5813.712413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.712413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.712413][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.712413][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.712413][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.712413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.712413][ T3767] [ 5813.714509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5813.714509][ T3767] netdev_get_by_index+0x5e/0x80 [ 5813.714509][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5813.714509][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5813.714509][ T3767] ip6_route_add+0x1c/0x140 [ 5813.714509][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5813.714509][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5813.714509][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.714509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.714509][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.714509][ T3767] netlink_unicast+0x449/0x710 [ 5813.714509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.714509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.714509][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.714509][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.714509][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.714509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.714509][ T3767] [ 5813.716713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5813.716713][ T3767] netdev_get_by_index+0x5e/0x80 [ 5813.716713][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5813.716713][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5813.716713][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5813.716713][ T3767] ipv6_add_addr+0x411/0x2000 [ 5813.716713][ T3767] inet6_addr_add+0x30e/0xa40 [ 5813.716713][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.716713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.716713][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.716713][ T3767] netlink_unicast+0x449/0x710 [ 5813.716713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.716713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.716713][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.716713][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.716713][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.716713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.716713][ T3767] [ 5813.718939][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5813.718939][ T3767] netdev_get_by_index+0x5e/0x80 [ 5813.718939][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5813.718939][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5813.718939][ T3767] ip6_route_add+0x1c/0x140 [ 5813.718939][ T3767] addrconf_add_mroute+0x129/0x180 [ 5813.718939][ T3767] addrconf_add_dev+0xe2/0x170 [ 5813.718939][ T3767] inet6_addr_add+0x12f/0xa40 [ 5813.718939][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5813.718939][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.718939][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.718939][ T3767] netlink_unicast+0x449/0x710 [ 5813.718939][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.718939][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.718939][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.718939][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.718939][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.718939][ T3767] [ 5813.721123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5813.721123][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5813.721123][ T3767] ipv6_find_idev+0x102/0x170 [ 5813.721123][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.721123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.721123][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.721123][ T3767] netlink_unicast+0x449/0x710 [ 5813.721123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.721123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.721123][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.721123][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.721123][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.721123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.721123][ T3767] [ 5813.722813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5813.722813][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5813.722813][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5813.722813][ T3767] ipv6_find_idev+0x102/0x170 [ 5813.722813][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5813.722813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5813.722813][ T3767] netlink_rcv_skb+0x130/0x360 [ 5813.722813][ T3767] netlink_unicast+0x449/0x710 [ 5813.722813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5813.722813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5813.722813][ T3767] ___sys_sendmsg+0xee/0x170 [ 5813.722813][ T3767] __sys_sendmsg+0xcd/0x170 [ 5813.722813][ T3767] do_syscall_64+0xc6/0x1e0 [ 5813.722813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5813.722813][ T3767] [ 5823.975935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5823.976410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5823.976410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5823.976410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5823.976410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5823.976410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5823.976410][ T3767] ip6_route_add+0x1c/0x140 [ 5823.976410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5823.976410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.976410][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.976410][ T3767] netlink_unicast+0x449/0x710 [ 5823.976410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.976410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.976410][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.976410][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.976410][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.976410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.976410][ T3767] [ 5823.978517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5823.978517][ T3767] netdev_get_by_index+0x5e/0x80 [ 5823.978517][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5823.978517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5823.978517][ T3767] ip6_route_add+0x1c/0x140 [ 5823.978517][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5823.978517][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5823.978517][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.978517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.978517][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.978517][ T3767] netlink_unicast+0x449/0x710 [ 5823.978517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.978517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.978517][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.978517][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.978517][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.978517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.978517][ T3767] [ 5823.980752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5823.980752][ T3767] netdev_get_by_index+0x5e/0x80 [ 5823.980752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5823.980752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5823.980752][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5823.980752][ T3767] ipv6_add_addr+0x411/0x2000 [ 5823.980752][ T3767] inet6_addr_add+0x30e/0xa40 [ 5823.980752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.980752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.980752][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.980752][ T3767] netlink_unicast+0x449/0x710 [ 5823.980752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.980752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.980752][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.980752][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.980752][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.980752][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.980752][ T3767] [ 5823.982965][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5823.982965][ T3767] netdev_get_by_index+0x5e/0x80 [ 5823.982965][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5823.982965][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5823.982965][ T3767] ip6_route_add+0x1c/0x140 [ 5823.982965][ T3767] addrconf_add_mroute+0x129/0x180 [ 5823.982965][ T3767] addrconf_add_dev+0xe2/0x170 [ 5823.982965][ T3767] inet6_addr_add+0x12f/0xa40 [ 5823.982965][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5823.982965][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.982965][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.982965][ T3767] netlink_unicast+0x449/0x710 [ 5823.982965][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.982965][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.982965][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.982965][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.982965][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.982965][ T3767] [ 5823.985145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5823.985145][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5823.985145][ T3767] ipv6_find_idev+0x102/0x170 [ 5823.985145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.985145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.985145][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.985145][ T3767] netlink_unicast+0x449/0x710 [ 5823.985145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.985145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.985145][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.985145][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.985145][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.985145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.985145][ T3767] [ 5823.986845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5823.986845][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5823.986845][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5823.986845][ T3767] ipv6_find_idev+0x102/0x170 [ 5823.986845][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5823.986845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5823.986845][ T3767] netlink_rcv_skb+0x130/0x360 [ 5823.986845][ T3767] netlink_unicast+0x449/0x710 [ 5823.986845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5823.986845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5823.986845][ T3767] ___sys_sendmsg+0xee/0x170 [ 5823.986845][ T3767] __sys_sendmsg+0xcd/0x170 [ 5823.986845][ T3767] do_syscall_64+0xc6/0x1e0 [ 5823.986845][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5823.986845][ T3767] [ 5834.239883][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5834.240354][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5834.240354][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5834.240354][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5834.240354][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5834.240354][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5834.240354][ T3767] ip6_route_add+0x1c/0x140 [ 5834.240354][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5834.240354][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.240354][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.240354][ T3767] netlink_unicast+0x449/0x710 [ 5834.240354][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.240354][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.240354][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.240354][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.240354][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.240354][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.240354][ T3767] [ 5834.242480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5834.242480][ T3767] netdev_get_by_index+0x5e/0x80 [ 5834.242480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5834.242480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5834.242480][ T3767] ip6_route_add+0x1c/0x140 [ 5834.242480][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5834.242480][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5834.242480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.242480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.242480][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.242480][ T3767] netlink_unicast+0x449/0x710 [ 5834.242480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.242480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.242480][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.242480][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.242480][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.242480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.242480][ T3767] [ 5834.244719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5834.244719][ T3767] netdev_get_by_index+0x5e/0x80 [ 5834.244719][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5834.244719][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5834.244719][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5834.244719][ T3767] ipv6_add_addr+0x411/0x2000 [ 5834.244719][ T3767] inet6_addr_add+0x30e/0xa40 [ 5834.244719][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.244719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.244719][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.244719][ T3767] netlink_unicast+0x449/0x710 [ 5834.244719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.244719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.244719][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.244719][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.244719][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.244719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.244719][ T3767] [ 5834.246978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5834.246978][ T3767] netdev_get_by_index+0x5e/0x80 [ 5834.246978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5834.246978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5834.246978][ T3767] ip6_route_add+0x1c/0x140 [ 5834.246978][ T3767] addrconf_add_mroute+0x129/0x180 [ 5834.246978][ T3767] addrconf_add_dev+0xe2/0x170 [ 5834.246978][ T3767] inet6_addr_add+0x12f/0xa40 [ 5834.246978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5834.246978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.246978][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.246978][ T3767] netlink_unicast+0x449/0x710 [ 5834.246978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.246978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.246978][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.246978][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.246978][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.246978][ T3767] [ 5834.249182][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5834.249182][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5834.249182][ T3767] ipv6_find_idev+0x102/0x170 [ 5834.249182][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5834.249182][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.249182][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.249182][ T3767] netlink_unicast+0x449/0x710 [ 5834.249182][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.249182][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.249182][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.249182][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.249182][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.249182][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.249182][ T3767] [ 5834.250897][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5834.250897][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5834.250897][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5834.250897][ T3767] ipv6_find_idev+0x102/0x170 [ 5834.250897][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5834.250897][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5834.250897][ T3767] netlink_rcv_skb+0x130/0x360 [ 5834.250897][ T3767] netlink_unicast+0x449/0x710 [ 5834.250897][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5834.250897][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5834.250897][ T3767] ___sys_sendmsg+0xee/0x170 [ 5834.250897][ T3767] __sys_sendmsg+0xcd/0x170 [ 5834.250897][ T3767] do_syscall_64+0xc6/0x1e0 [ 5834.250897][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5834.250897][ T3767] [ 5844.311951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5844.312437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5844.312437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5844.312437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5844.312437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5844.312437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5844.312437][ T3767] ip6_route_add+0x1c/0x140 [ 5844.312437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5844.312437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.312437][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.312437][ T3767] netlink_unicast+0x449/0x710 [ 5844.312437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.312437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.312437][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.312437][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.312437][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.312437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.312437][ T3767] [ 5844.314550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5844.314550][ T3767] netdev_get_by_index+0x5e/0x80 [ 5844.314550][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5844.314550][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5844.314550][ T3767] ip6_route_add+0x1c/0x140 [ 5844.314550][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5844.314550][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5844.314550][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.314550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.314550][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.314550][ T3767] netlink_unicast+0x449/0x710 [ 5844.314550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.314550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.314550][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.314550][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.314550][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.314550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.314550][ T3767] [ 5844.316762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5844.316762][ T3767] netdev_get_by_index+0x5e/0x80 [ 5844.316762][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5844.316762][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5844.316762][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5844.316762][ T3767] ipv6_add_addr+0x411/0x2000 [ 5844.316762][ T3767] inet6_addr_add+0x30e/0xa40 [ 5844.316762][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.316762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.316762][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.316762][ T3767] netlink_unicast+0x449/0x710 [ 5844.316762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.316762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.316762][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.316762][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.316762][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.316762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.316762][ T3767] [ 5844.318973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5844.318973][ T3767] netdev_get_by_index+0x5e/0x80 [ 5844.318973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5844.318973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5844.318973][ T3767] ip6_route_add+0x1c/0x140 [ 5844.318973][ T3767] addrconf_add_mroute+0x129/0x180 [ 5844.318973][ T3767] addrconf_add_dev+0xe2/0x170 [ 5844.318973][ T3767] inet6_addr_add+0x12f/0xa40 [ 5844.318973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5844.318973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.318973][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.318973][ T3767] netlink_unicast+0x449/0x710 [ 5844.318973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.318973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.318973][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.318973][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.318973][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.318973][ T3767] [ 5844.321149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5844.321149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5844.321149][ T3767] ipv6_find_idev+0x102/0x170 [ 5844.321149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5844.321149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.321149][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.321149][ T3767] netlink_unicast+0x449/0x710 [ 5844.321149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.321149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.321149][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.321149][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.321149][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.321149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.321149][ T3767] [ 5844.322848][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5844.322848][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5844.322848][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5844.322848][ T3767] ipv6_find_idev+0x102/0x170 [ 5844.322848][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5844.322848][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5844.322848][ T3767] netlink_rcv_skb+0x130/0x360 [ 5844.322848][ T3767] netlink_unicast+0x449/0x710 [ 5844.322848][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5844.322848][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5844.322848][ T3767] ___sys_sendmsg+0xee/0x170 [ 5844.322848][ T3767] __sys_sendmsg+0xcd/0x170 [ 5844.322848][ T3767] do_syscall_64+0xc6/0x1e0 [ 5844.322848][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5844.322848][ T3767] [ 5854.559878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5854.560395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5854.560395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5854.560395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5854.560395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5854.560395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5854.560395][ T3767] ip6_route_add+0x1c/0x140 [ 5854.560395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5854.560395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.560395][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.560395][ T3767] netlink_unicast+0x449/0x710 [ 5854.560395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.560395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.560395][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.560395][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.560395][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.560395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.560395][ T3767] [ 5854.562731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5854.562731][ T3767] netdev_get_by_index+0x5e/0x80 [ 5854.562731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5854.562731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5854.562731][ T3767] ip6_route_add+0x1c/0x140 [ 5854.562731][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5854.562731][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5854.562731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.562731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.562731][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.562731][ T3767] netlink_unicast+0x449/0x710 [ 5854.562731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.562731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.562731][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.562731][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.562731][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.562731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.562731][ T3767] [ 5854.565190][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5854.565190][ T3767] netdev_get_by_index+0x5e/0x80 [ 5854.565190][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5854.565190][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5854.565190][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5854.565190][ T3767] ipv6_add_addr+0x411/0x2000 [ 5854.565190][ T3767] inet6_addr_add+0x30e/0xa40 [ 5854.565190][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.565190][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.565190][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.565190][ T3767] netlink_unicast+0x449/0x710 [ 5854.565190][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.565190][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.565190][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.565190][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.565190][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.565190][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.565190][ T3767] [ 5854.567650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5854.567650][ T3767] netdev_get_by_index+0x5e/0x80 [ 5854.567650][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5854.567650][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5854.567650][ T3767] ip6_route_add+0x1c/0x140 [ 5854.567650][ T3767] addrconf_add_mroute+0x129/0x180 [ 5854.567650][ T3767] addrconf_add_dev+0xe2/0x170 [ 5854.567650][ T3767] inet6_addr_add+0x12f/0xa40 [ 5854.567650][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5854.567650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.567650][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.567650][ T3767] netlink_unicast+0x449/0x710 [ 5854.567650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.567650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.567650][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.567650][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.567650][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.567650][ T3767] [ 5854.570047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5854.570047][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5854.570047][ T3767] ipv6_find_idev+0x102/0x170 [ 5854.570047][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.570047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.570047][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.570047][ T3767] netlink_unicast+0x449/0x710 [ 5854.570047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.570047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.570047][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.570047][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.570047][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.570047][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.570047][ T3767] [ 5854.571931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5854.571931][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5854.571931][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5854.571931][ T3767] ipv6_find_idev+0x102/0x170 [ 5854.571931][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5854.571931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5854.571931][ T3767] netlink_rcv_skb+0x130/0x360 [ 5854.571931][ T3767] netlink_unicast+0x449/0x710 [ 5854.571931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5854.571931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5854.571931][ T3767] ___sys_sendmsg+0xee/0x170 [ 5854.571931][ T3767] __sys_sendmsg+0xcd/0x170 [ 5854.571931][ T3767] do_syscall_64+0xc6/0x1e0 [ 5854.571931][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5854.571931][ T3767] [ 5864.815972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5864.816435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5864.816435][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5864.816435][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5864.816435][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5864.816435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5864.816435][ T3767] ip6_route_add+0x1c/0x140 [ 5864.816435][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5864.816435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.816435][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.816435][ T3767] netlink_unicast+0x449/0x710 [ 5864.816435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.816435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.816435][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.816435][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.816435][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.816435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.816435][ T3767] [ 5864.818752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5864.818752][ T3767] netdev_get_by_index+0x5e/0x80 [ 5864.818752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5864.818752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5864.818752][ T3767] ip6_route_add+0x1c/0x140 [ 5864.818752][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5864.818752][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5864.818752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.818752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.818752][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.818752][ T3767] netlink_unicast+0x449/0x710 [ 5864.818752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.818752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.818752][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.818752][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.818752][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.818752][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.818752][ T3767] [ 5864.821210][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5864.821210][ T3767] netdev_get_by_index+0x5e/0x80 [ 5864.821210][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5864.821210][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5864.821210][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5864.821210][ T3767] ipv6_add_addr+0x411/0x2000 [ 5864.821210][ T3767] inet6_addr_add+0x30e/0xa40 [ 5864.821210][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.821210][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.821210][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.821210][ T3767] netlink_unicast+0x449/0x710 [ 5864.821210][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.821210][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.821210][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.821210][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.821210][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.821210][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.821210][ T3767] [ 5864.823644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5864.823644][ T3767] netdev_get_by_index+0x5e/0x80 [ 5864.823644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5864.823644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5864.823644][ T3767] ip6_route_add+0x1c/0x140 [ 5864.823644][ T3767] addrconf_add_mroute+0x129/0x180 [ 5864.823644][ T3767] addrconf_add_dev+0xe2/0x170 [ 5864.823644][ T3767] inet6_addr_add+0x12f/0xa40 [ 5864.823644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5864.823644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.823644][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.823644][ T3767] netlink_unicast+0x449/0x710 [ 5864.823644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.823644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.823644][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.823644][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.823644][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.823644][ T3767] [ 5864.826058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5864.826058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5864.826058][ T3767] ipv6_find_idev+0x102/0x170 [ 5864.826058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.826058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.826058][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.826058][ T3767] netlink_unicast+0x449/0x710 [ 5864.826058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.826058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.826058][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.826058][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.826058][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.826058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.826058][ T3767] [ 5864.827933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5864.827933][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5864.827933][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5864.827933][ T3767] ipv6_find_idev+0x102/0x170 [ 5864.827933][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5864.827933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5864.827933][ T3767] netlink_rcv_skb+0x130/0x360 [ 5864.827933][ T3767] netlink_unicast+0x449/0x710 [ 5864.827933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5864.827933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5864.827933][ T3767] ___sys_sendmsg+0xee/0x170 [ 5864.827933][ T3767] __sys_sendmsg+0xcd/0x170 [ 5864.827933][ T3767] do_syscall_64+0xc6/0x1e0 [ 5864.827933][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5864.827933][ T3767] [ 5875.071885][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5875.072395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5875.072395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5875.072395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5875.072395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5875.072395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5875.072395][ T3767] ip6_route_add+0x1c/0x140 [ 5875.072395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5875.072395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.072395][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.072395][ T3767] netlink_unicast+0x449/0x710 [ 5875.072395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.072395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.072395][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.072395][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.072395][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.072395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.072395][ T3767] [ 5875.074490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5875.074490][ T3767] netdev_get_by_index+0x5e/0x80 [ 5875.074490][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5875.074490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5875.074490][ T3767] ip6_route_add+0x1c/0x140 [ 5875.074490][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5875.074490][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5875.074490][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.074490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.074490][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.074490][ T3767] netlink_unicast+0x449/0x710 [ 5875.074490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.074490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.074490][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.074490][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.074490][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.074490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.074490][ T3767] [ 5875.076699][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5875.076699][ T3767] netdev_get_by_index+0x5e/0x80 [ 5875.076699][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5875.076699][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5875.076699][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5875.076699][ T3767] ipv6_add_addr+0x411/0x2000 [ 5875.076699][ T3767] inet6_addr_add+0x30e/0xa40 [ 5875.076699][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.076699][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.076699][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.076699][ T3767] netlink_unicast+0x449/0x710 [ 5875.076699][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.076699][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.076699][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.076699][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.076699][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.076699][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.076699][ T3767] [ 5875.078905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5875.078905][ T3767] netdev_get_by_index+0x5e/0x80 [ 5875.078905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5875.078905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5875.078905][ T3767] ip6_route_add+0x1c/0x140 [ 5875.078905][ T3767] addrconf_add_mroute+0x129/0x180 [ 5875.078905][ T3767] addrconf_add_dev+0xe2/0x170 [ 5875.078905][ T3767] inet6_addr_add+0x12f/0xa40 [ 5875.078905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5875.078905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.078905][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.078905][ T3767] netlink_unicast+0x449/0x710 [ 5875.078905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.078905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.078905][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.078905][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.078905][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.078905][ T3767] [ 5875.081069][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5875.081069][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5875.081069][ T3767] ipv6_find_idev+0x102/0x170 [ 5875.081069][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5875.081069][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.081069][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.081069][ T3767] netlink_unicast+0x449/0x710 [ 5875.081069][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.081069][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.081069][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.081069][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.081069][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.081069][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.081069][ T3767] [ 5875.082815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5875.082815][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5875.082815][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5875.082815][ T3767] ipv6_find_idev+0x102/0x170 [ 5875.082815][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5875.082815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5875.082815][ T3767] netlink_rcv_skb+0x130/0x360 [ 5875.082815][ T3767] netlink_unicast+0x449/0x710 [ 5875.082815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5875.082815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5875.082815][ T3767] ___sys_sendmsg+0xee/0x170 [ 5875.082815][ T3767] __sys_sendmsg+0xcd/0x170 [ 5875.082815][ T3767] do_syscall_64+0xc6/0x1e0 [ 5875.082815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5875.082815][ T3767] [ 5885.319873][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5885.320330][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5885.320330][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5885.320330][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5885.320330][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5885.320330][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5885.320330][ T3767] ip6_route_add+0x1c/0x140 [ 5885.320330][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5885.320330][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.320330][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.320330][ T3767] netlink_unicast+0x449/0x710 [ 5885.320330][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.320330][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.320330][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.320330][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.320330][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.320330][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.320330][ T3767] [ 5885.322400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5885.322400][ T3767] netdev_get_by_index+0x5e/0x80 [ 5885.322400][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5885.322400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5885.322400][ T3767] ip6_route_add+0x1c/0x140 [ 5885.322400][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5885.322400][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5885.322400][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.322400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.322400][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.322400][ T3767] netlink_unicast+0x449/0x710 [ 5885.322400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.322400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.322400][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.322400][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.322400][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.322400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.322400][ T3767] [ 5885.324628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5885.324628][ T3767] netdev_get_by_index+0x5e/0x80 [ 5885.324628][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5885.324628][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5885.324628][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5885.324628][ T3767] ipv6_add_addr+0x411/0x2000 [ 5885.324628][ T3767] inet6_addr_add+0x30e/0xa40 [ 5885.324628][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.324628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.324628][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.324628][ T3767] netlink_unicast+0x449/0x710 [ 5885.324628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.324628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.324628][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.324628][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.324628][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.324628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.324628][ T3767] [ 5885.326828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5885.326828][ T3767] netdev_get_by_index+0x5e/0x80 [ 5885.326828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5885.326828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5885.326828][ T3767] ip6_route_add+0x1c/0x140 [ 5885.326828][ T3767] addrconf_add_mroute+0x129/0x180 [ 5885.326828][ T3767] addrconf_add_dev+0xe2/0x170 [ 5885.326828][ T3767] inet6_addr_add+0x12f/0xa40 [ 5885.326828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5885.326828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.326828][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.326828][ T3767] netlink_unicast+0x449/0x710 [ 5885.326828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.326828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.326828][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.326828][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.326828][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.326828][ T3767] [ 5885.328987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5885.328987][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5885.328987][ T3767] ipv6_find_idev+0x102/0x170 [ 5885.328987][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.328987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.328987][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.328987][ T3767] netlink_unicast+0x449/0x710 [ 5885.328987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.328987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.328987][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.328987][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.328987][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.328987][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.328987][ T3767] [ 5885.330677][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5885.330677][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5885.330677][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5885.330677][ T3767] ipv6_find_idev+0x102/0x170 [ 5885.330677][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5885.330677][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5885.330677][ T3767] netlink_rcv_skb+0x130/0x360 [ 5885.330677][ T3767] netlink_unicast+0x449/0x710 [ 5885.330677][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5885.330677][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5885.330677][ T3767] ___sys_sendmsg+0xee/0x170 [ 5885.330677][ T3767] __sys_sendmsg+0xcd/0x170 [ 5885.330677][ T3767] do_syscall_64+0xc6/0x1e0 [ 5885.330677][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5885.330677][ T3767] [ 5895.567948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5895.568434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5895.568434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5895.568434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5895.568434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5895.568434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5895.568434][ T3767] ip6_route_add+0x1c/0x140 [ 5895.568434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5895.568434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.568434][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.568434][ T3767] netlink_unicast+0x449/0x710 [ 5895.568434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.568434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.568434][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.568434][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.568434][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.568434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.568434][ T3767] [ 5895.570524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5895.570524][ T3767] netdev_get_by_index+0x5e/0x80 [ 5895.570524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5895.570524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5895.570524][ T3767] ip6_route_add+0x1c/0x140 [ 5895.570524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5895.570524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5895.570524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.570524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.570524][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.570524][ T3767] netlink_unicast+0x449/0x710 [ 5895.570524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.570524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.570524][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.570524][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.570524][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.570524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.570524][ T3767] [ 5895.572726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5895.572726][ T3767] netdev_get_by_index+0x5e/0x80 [ 5895.572726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5895.572726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5895.572726][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5895.572726][ T3767] ipv6_add_addr+0x411/0x2000 [ 5895.572726][ T3767] inet6_addr_add+0x30e/0xa40 [ 5895.572726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.572726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.572726][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.572726][ T3767] netlink_unicast+0x449/0x710 [ 5895.572726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.572726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.572726][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.572726][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.572726][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.572726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.572726][ T3767] [ 5895.574923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5895.574923][ T3767] netdev_get_by_index+0x5e/0x80 [ 5895.574923][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5895.574923][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5895.574923][ T3767] ip6_route_add+0x1c/0x140 [ 5895.574923][ T3767] addrconf_add_mroute+0x129/0x180 [ 5895.574923][ T3767] addrconf_add_dev+0xe2/0x170 [ 5895.574923][ T3767] inet6_addr_add+0x12f/0xa40 [ 5895.574923][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5895.574923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.574923][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.574923][ T3767] netlink_unicast+0x449/0x710 [ 5895.574923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.574923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.574923][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.574923][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.574923][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.574923][ T3767] [ 5895.577086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5895.577086][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5895.577086][ T3767] ipv6_find_idev+0x102/0x170 [ 5895.577086][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.577086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.577086][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.577086][ T3767] netlink_unicast+0x449/0x710 [ 5895.577086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.577086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.577086][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.577086][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.577086][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.577086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.577086][ T3767] [ 5895.578772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5895.578772][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5895.578772][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5895.578772][ T3767] ipv6_find_idev+0x102/0x170 [ 5895.578772][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5895.578772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5895.578772][ T3767] netlink_rcv_skb+0x130/0x360 [ 5895.578772][ T3767] netlink_unicast+0x449/0x710 [ 5895.578772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5895.578772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5895.578772][ T3767] ___sys_sendmsg+0xee/0x170 [ 5895.578772][ T3767] __sys_sendmsg+0xcd/0x170 [ 5895.578772][ T3767] do_syscall_64+0xc6/0x1e0 [ 5895.578772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5895.578772][ T3767] [ 5905.815943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5905.816412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5905.816412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5905.816412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5905.816412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5905.816412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5905.816412][ T3767] ip6_route_add+0x1c/0x140 [ 5905.816412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5905.816412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.816412][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.816412][ T3767] netlink_unicast+0x449/0x710 [ 5905.816412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.816412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.816412][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.816412][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.816412][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.816412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.816412][ T3767] [ 5905.818510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5905.818510][ T3767] netdev_get_by_index+0x5e/0x80 [ 5905.818510][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5905.818510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5905.818510][ T3767] ip6_route_add+0x1c/0x140 [ 5905.818510][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5905.818510][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5905.818510][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.818510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.818510][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.818510][ T3767] netlink_unicast+0x449/0x710 [ 5905.818510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.818510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.818510][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.818510][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.818510][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.818510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.818510][ T3767] [ 5905.820727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5905.820727][ T3767] netdev_get_by_index+0x5e/0x80 [ 5905.820727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5905.820727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5905.820727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5905.820727][ T3767] ipv6_add_addr+0x411/0x2000 [ 5905.820727][ T3767] inet6_addr_add+0x30e/0xa40 [ 5905.820727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.820727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.820727][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.820727][ T3767] netlink_unicast+0x449/0x710 [ 5905.820727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.820727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.820727][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.820727][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.820727][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.820727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.820727][ T3767] [ 5905.822929][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5905.822929][ T3767] netdev_get_by_index+0x5e/0x80 [ 5905.822929][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5905.822929][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5905.822929][ T3767] ip6_route_add+0x1c/0x140 [ 5905.822929][ T3767] addrconf_add_mroute+0x129/0x180 [ 5905.822929][ T3767] addrconf_add_dev+0xe2/0x170 [ 5905.822929][ T3767] inet6_addr_add+0x12f/0xa40 [ 5905.822929][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5905.822929][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.822929][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.822929][ T3767] netlink_unicast+0x449/0x710 [ 5905.822929][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.822929][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.822929][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.822929][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.822929][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.822929][ T3767] [ 5905.825091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5905.825091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5905.825091][ T3767] ipv6_find_idev+0x102/0x170 [ 5905.825091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.825091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.825091][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.825091][ T3767] netlink_unicast+0x449/0x710 [ 5905.825091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.825091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.825091][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.825091][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.825091][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.825091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.825091][ T3767] [ 5905.826784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5905.826784][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5905.826784][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5905.826784][ T3767] ipv6_find_idev+0x102/0x170 [ 5905.826784][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5905.826784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5905.826784][ T3767] netlink_rcv_skb+0x130/0x360 [ 5905.826784][ T3767] netlink_unicast+0x449/0x710 [ 5905.826784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5905.826784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5905.826784][ T3767] ___sys_sendmsg+0xee/0x170 [ 5905.826784][ T3767] __sys_sendmsg+0xcd/0x170 [ 5905.826784][ T3767] do_syscall_64+0xc6/0x1e0 [ 5905.826784][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5905.826784][ T3767] [ 5916.063943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5916.064419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5916.064419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5916.064419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5916.064419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5916.064419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5916.064419][ T3767] ip6_route_add+0x1c/0x140 [ 5916.064419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5916.064419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.064419][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.064419][ T3767] netlink_unicast+0x449/0x710 [ 5916.064419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.064419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.064419][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.064419][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.064419][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.064419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.064419][ T3767] [ 5916.066513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5916.066513][ T3767] netdev_get_by_index+0x5e/0x80 [ 5916.066513][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5916.066513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5916.066513][ T3767] ip6_route_add+0x1c/0x140 [ 5916.066513][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5916.066513][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5916.066513][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.066513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.066513][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.066513][ T3767] netlink_unicast+0x449/0x710 [ 5916.066513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.066513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.066513][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.066513][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.066513][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.066513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.066513][ T3767] [ 5916.068729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5916.068729][ T3767] netdev_get_by_index+0x5e/0x80 [ 5916.068729][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5916.068729][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5916.068729][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5916.068729][ T3767] ipv6_add_addr+0x411/0x2000 [ 5916.068729][ T3767] inet6_addr_add+0x30e/0xa40 [ 5916.068729][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.068729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.068729][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.068729][ T3767] netlink_unicast+0x449/0x710 [ 5916.068729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.068729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.068729][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.068729][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.068729][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.068729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.068729][ T3767] [ 5916.070949][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5916.070949][ T3767] netdev_get_by_index+0x5e/0x80 [ 5916.070949][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5916.070949][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5916.070949][ T3767] ip6_route_add+0x1c/0x140 [ 5916.070949][ T3767] addrconf_add_mroute+0x129/0x180 [ 5916.070949][ T3767] addrconf_add_dev+0xe2/0x170 [ 5916.070949][ T3767] inet6_addr_add+0x12f/0xa40 [ 5916.070949][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5916.070949][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.070949][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.070949][ T3767] netlink_unicast+0x449/0x710 [ 5916.070949][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.070949][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.070949][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.070949][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.070949][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.070949][ T3767] [ 5916.073113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5916.073113][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5916.073113][ T3767] ipv6_find_idev+0x102/0x170 [ 5916.073113][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.073113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.073113][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.073113][ T3767] netlink_unicast+0x449/0x710 [ 5916.073113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.073113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.073113][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.073113][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.073113][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.073113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.073113][ T3767] [ 5916.074806][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5916.074806][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5916.074806][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5916.074806][ T3767] ipv6_find_idev+0x102/0x170 [ 5916.074806][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5916.074806][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5916.074806][ T3767] netlink_rcv_skb+0x130/0x360 [ 5916.074806][ T3767] netlink_unicast+0x449/0x710 [ 5916.074806][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5916.074806][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5916.074806][ T3767] ___sys_sendmsg+0xee/0x170 [ 5916.074806][ T3767] __sys_sendmsg+0xcd/0x170 [ 5916.074806][ T3767] do_syscall_64+0xc6/0x1e0 [ 5916.074806][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5916.074806][ T3767] [ 5926.311942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5926.312471][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5926.312471][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5926.312471][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5926.312471][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5926.312471][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5926.312471][ T3767] ip6_route_add+0x1c/0x140 [ 5926.312471][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5926.312471][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.312471][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.312471][ T3767] netlink_unicast+0x449/0x710 [ 5926.312471][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.312471][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.312471][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.312471][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.312471][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.312471][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.312471][ T3767] [ 5926.314850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5926.314850][ T3767] netdev_get_by_index+0x5e/0x80 [ 5926.314850][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5926.314850][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5926.314850][ T3767] ip6_route_add+0x1c/0x140 [ 5926.314850][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5926.314850][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5926.314850][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.314850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.314850][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.314850][ T3767] netlink_unicast+0x449/0x710 [ 5926.314850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.314850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.314850][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.314850][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.314850][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.314850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.314850][ T3767] [ 5926.317334][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5926.317334][ T3767] netdev_get_by_index+0x5e/0x80 [ 5926.317334][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5926.317334][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5926.317334][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5926.317334][ T3767] ipv6_add_addr+0x411/0x2000 [ 5926.317334][ T3767] inet6_addr_add+0x30e/0xa40 [ 5926.317334][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.317334][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.317334][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.317334][ T3767] netlink_unicast+0x449/0x710 [ 5926.317334][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.317334][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.317334][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.317334][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.317334][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.317334][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.317334][ T3767] [ 5926.319828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5926.319828][ T3767] netdev_get_by_index+0x5e/0x80 [ 5926.319828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5926.319828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5926.319828][ T3767] ip6_route_add+0x1c/0x140 [ 5926.319828][ T3767] addrconf_add_mroute+0x129/0x180 [ 5926.319828][ T3767] addrconf_add_dev+0xe2/0x170 [ 5926.319828][ T3767] inet6_addr_add+0x12f/0xa40 [ 5926.319828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5926.319828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.319828][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.319828][ T3767] netlink_unicast+0x449/0x710 [ 5926.319828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.319828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.319828][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.319828][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.319828][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.319828][ T3767] [ 5926.322252][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5926.322252][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5926.322252][ T3767] ipv6_find_idev+0x102/0x170 [ 5926.322252][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.322252][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.322252][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.322252][ T3767] netlink_unicast+0x449/0x710 [ 5926.322252][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.322252][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.322252][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.322252][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.322252][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.322252][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.322252][ T3767] [ 5926.324157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5926.324157][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5926.324157][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5926.324157][ T3767] ipv6_find_idev+0x102/0x170 [ 5926.324157][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5926.324157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5926.324157][ T3767] netlink_rcv_skb+0x130/0x360 [ 5926.324157][ T3767] netlink_unicast+0x449/0x710 [ 5926.324157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5926.324157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5926.324157][ T3767] ___sys_sendmsg+0xee/0x170 [ 5926.324157][ T3767] __sys_sendmsg+0xcd/0x170 [ 5926.324157][ T3767] do_syscall_64+0xc6/0x1e0 [ 5926.324157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5926.324157][ T3767] [ 5936.568015][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5936.568572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5936.568572][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5936.568572][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5936.568572][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5936.568572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5936.568572][ T3767] ip6_route_add+0x1c/0x140 [ 5936.568572][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5936.568572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.568572][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.568572][ T3767] netlink_unicast+0x449/0x710 [ 5936.568572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.568572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.568572][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.568572][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.568572][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.568572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.568572][ T3767] [ 5936.570925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5936.570925][ T3767] netdev_get_by_index+0x5e/0x80 [ 5936.570925][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5936.570925][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5936.570925][ T3767] ip6_route_add+0x1c/0x140 [ 5936.570925][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5936.570925][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5936.570925][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.570925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.570925][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.570925][ T3767] netlink_unicast+0x449/0x710 [ 5936.570925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.570925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.570925][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.570925][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.570925][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.570925][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.570925][ T3767] [ 5936.573394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5936.573394][ T3767] netdev_get_by_index+0x5e/0x80 [ 5936.573394][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5936.573394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5936.573394][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5936.573394][ T3767] ipv6_add_addr+0x411/0x2000 [ 5936.573394][ T3767] inet6_addr_add+0x30e/0xa40 [ 5936.573394][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.573394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.573394][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.573394][ T3767] netlink_unicast+0x449/0x710 [ 5936.573394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.573394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.573394][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.573394][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.573394][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.573394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.573394][ T3767] [ 5936.575841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5936.575841][ T3767] netdev_get_by_index+0x5e/0x80 [ 5936.575841][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5936.575841][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5936.575841][ T3767] ip6_route_add+0x1c/0x140 [ 5936.575841][ T3767] addrconf_add_mroute+0x129/0x180 [ 5936.575841][ T3767] addrconf_add_dev+0xe2/0x170 [ 5936.575841][ T3767] inet6_addr_add+0x12f/0xa40 [ 5936.575841][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5936.575841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.575841][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.575841][ T3767] netlink_unicast+0x449/0x710 [ 5936.575841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.575841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.575841][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.575841][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.575841][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.575841][ T3767] [ 5936.578266][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5936.578266][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5936.578266][ T3767] ipv6_find_idev+0x102/0x170 [ 5936.578266][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.578266][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.578266][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.578266][ T3767] netlink_unicast+0x449/0x710 [ 5936.578266][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.578266][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.578266][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.578266][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.578266][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.578266][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.578266][ T3767] [ 5936.580158][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5936.580158][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5936.580158][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5936.580158][ T3767] ipv6_find_idev+0x102/0x170 [ 5936.580158][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5936.580158][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5936.580158][ T3767] netlink_rcv_skb+0x130/0x360 [ 5936.580158][ T3767] netlink_unicast+0x449/0x710 [ 5936.580158][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5936.580158][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5936.580158][ T3767] ___sys_sendmsg+0xee/0x170 [ 5936.580158][ T3767] __sys_sendmsg+0xcd/0x170 [ 5936.580158][ T3767] do_syscall_64+0xc6/0x1e0 [ 5936.580158][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5936.580158][ T3767] [ 5946.823960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5946.824481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5946.824481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5946.824481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5946.824481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5946.824481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5946.824481][ T3767] ip6_route_add+0x1c/0x140 [ 5946.824481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5946.824481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.824481][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.824481][ T3767] netlink_unicast+0x449/0x710 [ 5946.824481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.824481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.824481][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.824481][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.824481][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.824481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.824481][ T3767] [ 5946.826848][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5946.826848][ T3767] netdev_get_by_index+0x5e/0x80 [ 5946.826848][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5946.826848][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5946.826848][ T3767] ip6_route_add+0x1c/0x140 [ 5946.826848][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5946.826848][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5946.826848][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.826848][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.826848][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.826848][ T3767] netlink_unicast+0x449/0x710 [ 5946.826848][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.826848][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.826848][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.826848][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.826848][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.826848][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.826848][ T3767] [ 5946.829326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5946.829326][ T3767] netdev_get_by_index+0x5e/0x80 [ 5946.829326][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5946.829326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5946.829326][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5946.829326][ T3767] ipv6_add_addr+0x411/0x2000 [ 5946.829326][ T3767] inet6_addr_add+0x30e/0xa40 [ 5946.829326][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.829326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.829326][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.829326][ T3767] netlink_unicast+0x449/0x710 [ 5946.829326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.829326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.829326][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.829326][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.829326][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.829326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.829326][ T3767] [ 5946.831790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5946.831790][ T3767] netdev_get_by_index+0x5e/0x80 [ 5946.831790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5946.831790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5946.831790][ T3767] ip6_route_add+0x1c/0x140 [ 5946.831790][ T3767] addrconf_add_mroute+0x129/0x180 [ 5946.831790][ T3767] addrconf_add_dev+0xe2/0x170 [ 5946.831790][ T3767] inet6_addr_add+0x12f/0xa40 [ 5946.831790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5946.831790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.831790][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.831790][ T3767] netlink_unicast+0x449/0x710 [ 5946.831790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.831790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.831790][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.831790][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.831790][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.831790][ T3767] [ 5946.834216][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5946.834216][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5946.834216][ T3767] ipv6_find_idev+0x102/0x170 [ 5946.834216][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.834216][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.834216][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.834216][ T3767] netlink_unicast+0x449/0x710 [ 5946.834216][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.834216][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.834216][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.834216][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.834216][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.834216][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.834216][ T3767] [ 5946.836100][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5946.836100][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5946.836100][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5946.836100][ T3767] ipv6_find_idev+0x102/0x170 [ 5946.836100][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5946.836100][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5946.836100][ T3767] netlink_rcv_skb+0x130/0x360 [ 5946.836100][ T3767] netlink_unicast+0x449/0x710 [ 5946.836100][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5946.836100][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5946.836100][ T3767] ___sys_sendmsg+0xee/0x170 [ 5946.836100][ T3767] __sys_sendmsg+0xcd/0x170 [ 5946.836100][ T3767] do_syscall_64+0xc6/0x1e0 [ 5946.836100][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5946.836100][ T3767] [ 5957.007879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5957.008391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5957.008391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5957.008391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5957.008391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5957.008391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5957.008391][ T3767] ip6_route_add+0x1c/0x140 [ 5957.008391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5957.008391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.008391][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.008391][ T3767] netlink_unicast+0x449/0x710 [ 5957.008391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.008391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.008391][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.008391][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.008391][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.008391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.008391][ T3767] [ 5957.010750][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5957.010750][ T3767] netdev_get_by_index+0x5e/0x80 [ 5957.010750][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5957.010750][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5957.010750][ T3767] ip6_route_add+0x1c/0x140 [ 5957.010750][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5957.010750][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5957.010750][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.010750][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.010750][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.010750][ T3767] netlink_unicast+0x449/0x710 [ 5957.010750][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.010750][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.010750][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.010750][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.010750][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.010750][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.010750][ T3767] [ 5957.013215][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5957.013215][ T3767] netdev_get_by_index+0x5e/0x80 [ 5957.013215][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5957.013215][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5957.013215][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5957.013215][ T3767] ipv6_add_addr+0x411/0x2000 [ 5957.013215][ T3767] inet6_addr_add+0x30e/0xa40 [ 5957.013215][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.013215][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.013215][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.013215][ T3767] netlink_unicast+0x449/0x710 [ 5957.013215][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.013215][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.013215][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.013215][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.013215][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.013215][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.013215][ T3767] [ 5957.015696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5957.015696][ T3767] netdev_get_by_index+0x5e/0x80 [ 5957.015696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5957.015696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5957.015696][ T3767] ip6_route_add+0x1c/0x140 [ 5957.015696][ T3767] addrconf_add_mroute+0x129/0x180 [ 5957.015696][ T3767] addrconf_add_dev+0xe2/0x170 [ 5957.015696][ T3767] inet6_addr_add+0x12f/0xa40 [ 5957.015696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5957.015696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.015696][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.015696][ T3767] netlink_unicast+0x449/0x710 [ 5957.015696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.015696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.015696][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.015696][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.015696][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.015696][ T3767] [ 5957.018126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5957.018126][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5957.018126][ T3767] ipv6_find_idev+0x102/0x170 [ 5957.018126][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.018126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.018126][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.018126][ T3767] netlink_unicast+0x449/0x710 [ 5957.018126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.018126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.018126][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.018126][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.018126][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.018126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.018126][ T3767] [ 5957.020033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5957.020033][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5957.020033][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5957.020033][ T3767] ipv6_find_idev+0x102/0x170 [ 5957.020033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5957.020033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5957.020033][ T3767] netlink_rcv_skb+0x130/0x360 [ 5957.020033][ T3767] netlink_unicast+0x449/0x710 [ 5957.020033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5957.020033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5957.020033][ T3767] ___sys_sendmsg+0xee/0x170 [ 5957.020033][ T3767] __sys_sendmsg+0xcd/0x170 [ 5957.020033][ T3767] do_syscall_64+0xc6/0x1e0 [ 5957.020033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5957.020033][ T3767] [ 5967.264012][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5967.264528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5967.264528][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5967.264528][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5967.264528][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5967.264528][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5967.264528][ T3767] ip6_route_add+0x1c/0x140 [ 5967.264528][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5967.264528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.264528][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.264528][ T3767] netlink_unicast+0x449/0x710 [ 5967.264528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.264528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.264528][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.264528][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.264528][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.264528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.264528][ T3767] [ 5967.266625][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5967.266625][ T3767] netdev_get_by_index+0x5e/0x80 [ 5967.266625][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5967.266625][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5967.266625][ T3767] ip6_route_add+0x1c/0x140 [ 5967.266625][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5967.266625][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5967.266625][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.266625][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.266625][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.266625][ T3767] netlink_unicast+0x449/0x710 [ 5967.266625][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.266625][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.266625][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.266625][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.266625][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.266625][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.266625][ T3767] [ 5967.268860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5967.268860][ T3767] netdev_get_by_index+0x5e/0x80 [ 5967.268860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5967.268860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5967.268860][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5967.268860][ T3767] ipv6_add_addr+0x411/0x2000 [ 5967.268860][ T3767] inet6_addr_add+0x30e/0xa40 [ 5967.268860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.268860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.268860][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.268860][ T3767] netlink_unicast+0x449/0x710 [ 5967.268860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.268860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.268860][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.268860][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.268860][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.268860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.268860][ T3767] [ 5967.271055][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5967.271055][ T3767] netdev_get_by_index+0x5e/0x80 [ 5967.271055][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5967.271055][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5967.271055][ T3767] ip6_route_add+0x1c/0x140 [ 5967.271055][ T3767] addrconf_add_mroute+0x129/0x180 [ 5967.271055][ T3767] addrconf_add_dev+0xe2/0x170 [ 5967.271055][ T3767] inet6_addr_add+0x12f/0xa40 [ 5967.271055][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5967.271055][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.271055][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.271055][ T3767] netlink_unicast+0x449/0x710 [ 5967.271055][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.271055][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.271055][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.271055][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.271055][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.271055][ T3767] [ 5967.273221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5967.273221][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5967.273221][ T3767] ipv6_find_idev+0x102/0x170 [ 5967.273221][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.273221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.273221][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.273221][ T3767] netlink_unicast+0x449/0x710 [ 5967.273221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.273221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.273221][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.273221][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.273221][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.273221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.273221][ T3767] [ 5967.274915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5967.274915][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5967.274915][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5967.274915][ T3767] ipv6_find_idev+0x102/0x170 [ 5967.274915][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5967.274915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5967.274915][ T3767] netlink_rcv_skb+0x130/0x360 [ 5967.274915][ T3767] netlink_unicast+0x449/0x710 [ 5967.274915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5967.274915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5967.274915][ T3767] ___sys_sendmsg+0xee/0x170 [ 5967.274915][ T3767] __sys_sendmsg+0xcd/0x170 [ 5967.274915][ T3767] do_syscall_64+0xc6/0x1e0 [ 5967.274915][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5967.274915][ T3767] [ 5977.511900][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5977.512431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5977.512431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5977.512431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5977.512431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5977.512431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5977.512431][ T3767] ip6_route_add+0x1c/0x140 [ 5977.512431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5977.512431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.512431][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.512431][ T3767] netlink_unicast+0x449/0x710 [ 5977.512431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.512431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.512431][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.512431][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.512431][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.512431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.512431][ T3767] [ 5977.514556][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5977.514556][ T3767] netdev_get_by_index+0x5e/0x80 [ 5977.514556][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5977.514556][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5977.514556][ T3767] ip6_route_add+0x1c/0x140 [ 5977.514556][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5977.514556][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5977.514556][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.514556][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.514556][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.514556][ T3767] netlink_unicast+0x449/0x710 [ 5977.514556][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.514556][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.514556][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.514556][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.514556][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.514556][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.514556][ T3767] [ 5977.516805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5977.516805][ T3767] netdev_get_by_index+0x5e/0x80 [ 5977.516805][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5977.516805][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5977.516805][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5977.516805][ T3767] ipv6_add_addr+0x411/0x2000 [ 5977.516805][ T3767] inet6_addr_add+0x30e/0xa40 [ 5977.516805][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.516805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.516805][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.516805][ T3767] netlink_unicast+0x449/0x710 [ 5977.516805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.516805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.516805][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.516805][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.516805][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.516805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.516805][ T3767] [ 5977.519050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5977.519050][ T3767] netdev_get_by_index+0x5e/0x80 [ 5977.519050][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5977.519050][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5977.519050][ T3767] ip6_route_add+0x1c/0x140 [ 5977.519050][ T3767] addrconf_add_mroute+0x129/0x180 [ 5977.519050][ T3767] addrconf_add_dev+0xe2/0x170 [ 5977.519050][ T3767] inet6_addr_add+0x12f/0xa40 [ 5977.519050][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5977.519050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.519050][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.519050][ T3767] netlink_unicast+0x449/0x710 [ 5977.519050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.519050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.519050][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.519050][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.519050][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.519050][ T3767] [ 5977.521254][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5977.521254][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5977.521254][ T3767] ipv6_find_idev+0x102/0x170 [ 5977.521254][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.521254][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.521254][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.521254][ T3767] netlink_unicast+0x449/0x710 [ 5977.521254][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.521254][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.521254][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.521254][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.521254][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.521254][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.521254][ T3767] [ 5977.522981][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5977.522981][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5977.522981][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5977.522981][ T3767] ipv6_find_idev+0x102/0x170 [ 5977.522981][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5977.522981][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5977.522981][ T3767] netlink_rcv_skb+0x130/0x360 [ 5977.522981][ T3767] netlink_unicast+0x449/0x710 [ 5977.522981][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5977.522981][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5977.522981][ T3767] ___sys_sendmsg+0xee/0x170 [ 5977.522981][ T3767] __sys_sendmsg+0xcd/0x170 [ 5977.522981][ T3767] do_syscall_64+0xc6/0x1e0 [ 5977.522981][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5977.522981][ T3767] [ 5987.527940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5987.528473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5987.528473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5987.528473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5987.528473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5987.528473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5987.528473][ T3767] ip6_route_add+0x1c/0x140 [ 5987.528473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5987.528473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.528473][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.528473][ T3767] netlink_unicast+0x449/0x710 [ 5987.528473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.528473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.528473][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.528473][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.528473][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.528473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.528473][ T3767] [ 5987.530834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5987.530834][ T3767] netdev_get_by_index+0x5e/0x80 [ 5987.530834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5987.530834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5987.530834][ T3767] ip6_route_add+0x1c/0x140 [ 5987.530834][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5987.530834][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5987.530834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.530834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.530834][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.530834][ T3767] netlink_unicast+0x449/0x710 [ 5987.530834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.530834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.530834][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.530834][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.530834][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.530834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.530834][ T3767] [ 5987.533282][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5987.533282][ T3767] netdev_get_by_index+0x5e/0x80 [ 5987.533282][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5987.533282][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5987.533282][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5987.533282][ T3767] ipv6_add_addr+0x411/0x2000 [ 5987.533282][ T3767] inet6_addr_add+0x30e/0xa40 [ 5987.533282][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.533282][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.533282][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.533282][ T3767] netlink_unicast+0x449/0x710 [ 5987.533282][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.533282][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.533282][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.533282][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.533282][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.533282][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.533282][ T3767] [ 5987.535741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5987.535741][ T3767] netdev_get_by_index+0x5e/0x80 [ 5987.535741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5987.535741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5987.535741][ T3767] ip6_route_add+0x1c/0x140 [ 5987.535741][ T3767] addrconf_add_mroute+0x129/0x180 [ 5987.535741][ T3767] addrconf_add_dev+0xe2/0x170 [ 5987.535741][ T3767] inet6_addr_add+0x12f/0xa40 [ 5987.535741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5987.535741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.535741][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.535741][ T3767] netlink_unicast+0x449/0x710 [ 5987.535741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.535741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.535741][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.535741][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.535741][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.535741][ T3767] [ 5987.538166][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5987.538166][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5987.538166][ T3767] ipv6_find_idev+0x102/0x170 [ 5987.538166][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.538166][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.538166][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.538166][ T3767] netlink_unicast+0x449/0x710 [ 5987.538166][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.538166][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.538166][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.538166][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.538166][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.538166][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.538166][ T3767] [ 5987.540068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5987.540068][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5987.540068][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5987.540068][ T3767] ipv6_find_idev+0x102/0x170 [ 5987.540068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5987.540068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5987.540068][ T3767] netlink_rcv_skb+0x130/0x360 [ 5987.540068][ T3767] netlink_unicast+0x449/0x710 [ 5987.540068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5987.540068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5987.540068][ T3767] ___sys_sendmsg+0xee/0x170 [ 5987.540068][ T3767] __sys_sendmsg+0xcd/0x170 [ 5987.540068][ T3767] do_syscall_64+0xc6/0x1e0 [ 5987.540068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5987.540068][ T3767] [ 5997.783945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5997.784477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 5997.784477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 5997.784477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 5997.784477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 5997.784477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5997.784477][ T3767] ip6_route_add+0x1c/0x140 [ 5997.784477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 5997.784477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.784477][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.784477][ T3767] netlink_unicast+0x449/0x710 [ 5997.784477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.784477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.784477][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.784477][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.784477][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.784477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5997.784477][ T3767] [ 5997.786818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5997.786818][ T3767] netdev_get_by_index+0x5e/0x80 [ 5997.786818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5997.786818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5997.786818][ T3767] ip6_route_add+0x1c/0x140 [ 5997.786818][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 5997.786818][ T3767] inet6_addr_add+0x4f8/0xa40 [ 5997.786818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5997.786818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.786818][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.786818][ T3767] netlink_unicast+0x449/0x710 [ 5997.786818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.786818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.786818][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.786818][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.786818][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.786818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5997.786818][ T3767] [ 5997.789293][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5997.789293][ T3767] netdev_get_by_index+0x5e/0x80 [ 5997.789293][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5997.789293][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5997.789293][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 5997.789293][ T3767] ipv6_add_addr+0x411/0x2000 [ 5997.789293][ T3767] inet6_addr_add+0x30e/0xa40 [ 5997.789293][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5997.789293][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.789293][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.789293][ T3767] netlink_unicast+0x449/0x710 [ 5997.789293][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.789293][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.789293][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.789293][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.789293][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.789293][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5997.789293][ T3767] [ 5997.791755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5997.791755][ T3767] netdev_get_by_index+0x5e/0x80 [ 5997.791755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 5997.791755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 5997.791755][ T3767] ip6_route_add+0x1c/0x140 [ 5997.791755][ T3767] addrconf_add_mroute+0x129/0x180 [ 5997.791755][ T3767] addrconf_add_dev+0xe2/0x170 [ 5997.791755][ T3767] inet6_addr_add+0x12f/0xa40 [ 5997.791755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 5997.791755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.791755][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.791755][ T3767] netlink_unicast+0x449/0x710 [ 5997.791755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.791755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.791755][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.791755][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.791755][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.791755][ T3767] [ 5997.794143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5997.794143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 5997.794143][ T3767] ipv6_find_idev+0x102/0x170 [ 5997.794143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5997.794143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.794143][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.794143][ T3767] netlink_unicast+0x449/0x710 [ 5997.794143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.794143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.794143][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.794143][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.794143][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.794143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5997.794143][ T3767] [ 5997.796026][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 5997.796026][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 5997.796026][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 5997.796026][ T3767] ipv6_find_idev+0x102/0x170 [ 5997.796026][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 5997.796026][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5997.796026][ T3767] netlink_rcv_skb+0x130/0x360 [ 5997.796026][ T3767] netlink_unicast+0x449/0x710 [ 5997.796026][ T3767] netlink_sendmsg+0x723/0xbe0 [ 5997.796026][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 5997.796026][ T3767] ___sys_sendmsg+0xee/0x170 [ 5997.796026][ T3767] __sys_sendmsg+0xcd/0x170 [ 5997.796026][ T3767] do_syscall_64+0xc6/0x1e0 [ 5997.796026][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5997.796026][ T3767] [ 6008.039941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6008.040480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6008.040480][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6008.040480][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6008.040480][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6008.040480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6008.040480][ T3767] ip6_route_add+0x1c/0x140 [ 6008.040480][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6008.040480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.040480][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.040480][ T3767] netlink_unicast+0x449/0x710 [ 6008.040480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.040480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.040480][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.040480][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.040480][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.040480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.040480][ T3767] [ 6008.042811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6008.042811][ T3767] netdev_get_by_index+0x5e/0x80 [ 6008.042811][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6008.042811][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6008.042811][ T3767] ip6_route_add+0x1c/0x140 [ 6008.042811][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6008.042811][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6008.042811][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.042811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.042811][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.042811][ T3767] netlink_unicast+0x449/0x710 [ 6008.042811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.042811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.042811][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.042811][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.042811][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.042811][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.042811][ T3767] [ 6008.048484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6008.048484][ T3767] netdev_get_by_index+0x5e/0x80 [ 6008.048484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6008.048484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6008.048484][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6008.048484][ T3767] ipv6_add_addr+0x411/0x2000 [ 6008.048484][ T3767] inet6_addr_add+0x30e/0xa40 [ 6008.048484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.048484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.048484][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.048484][ T3767] netlink_unicast+0x449/0x710 [ 6008.048484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.048484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.048484][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.048484][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.048484][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.048484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.048484][ T3767] [ 6008.050934][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6008.050934][ T3767] netdev_get_by_index+0x5e/0x80 [ 6008.050934][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6008.050934][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6008.050934][ T3767] ip6_route_add+0x1c/0x140 [ 6008.050934][ T3767] addrconf_add_mroute+0x129/0x180 [ 6008.050934][ T3767] addrconf_add_dev+0xe2/0x170 [ 6008.050934][ T3767] inet6_addr_add+0x12f/0xa40 [ 6008.050934][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6008.050934][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.050934][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.050934][ T3767] netlink_unicast+0x449/0x710 [ 6008.050934][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.050934][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.050934][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.050934][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.050934][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.050934][ T3767] [ 6008.053343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6008.053343][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6008.053343][ T3767] ipv6_find_idev+0x102/0x170 [ 6008.053343][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.053343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.053343][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.053343][ T3767] netlink_unicast+0x449/0x710 [ 6008.053343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.053343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.053343][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.053343][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.053343][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.053343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.053343][ T3767] [ 6008.055224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6008.055224][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6008.055224][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6008.055224][ T3767] ipv6_find_idev+0x102/0x170 [ 6008.055224][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6008.055224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6008.055224][ T3767] netlink_rcv_skb+0x130/0x360 [ 6008.055224][ T3767] netlink_unicast+0x449/0x710 [ 6008.055224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6008.055224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6008.055224][ T3767] ___sys_sendmsg+0xee/0x170 [ 6008.055224][ T3767] __sys_sendmsg+0xcd/0x170 [ 6008.055224][ T3767] do_syscall_64+0xc6/0x1e0 [ 6008.055224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6008.055224][ T3767] [ 6018.295971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6018.296495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6018.296495][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6018.296495][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6018.296495][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6018.296495][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6018.296495][ T3767] ip6_route_add+0x1c/0x140 [ 6018.296495][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6018.296495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.296495][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.296495][ T3767] netlink_unicast+0x449/0x710 [ 6018.296495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.296495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.296495][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.296495][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.296495][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.296495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.296495][ T3767] [ 6018.298818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6018.298818][ T3767] netdev_get_by_index+0x5e/0x80 [ 6018.298818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6018.298818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6018.298818][ T3767] ip6_route_add+0x1c/0x140 [ 6018.298818][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6018.298818][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6018.298818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.298818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.298818][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.298818][ T3767] netlink_unicast+0x449/0x710 [ 6018.298818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.298818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.298818][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.298818][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.298818][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.298818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.298818][ T3767] [ 6018.301263][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6018.301263][ T3767] netdev_get_by_index+0x5e/0x80 [ 6018.301263][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6018.301263][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6018.301263][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6018.301263][ T3767] ipv6_add_addr+0x411/0x2000 [ 6018.301263][ T3767] inet6_addr_add+0x30e/0xa40 [ 6018.301263][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.301263][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.301263][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.301263][ T3767] netlink_unicast+0x449/0x710 [ 6018.301263][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.301263][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.301263][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.301263][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.301263][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.301263][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.301263][ T3767] [ 6018.303710][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6018.303710][ T3767] netdev_get_by_index+0x5e/0x80 [ 6018.303710][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6018.303710][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6018.303710][ T3767] ip6_route_add+0x1c/0x140 [ 6018.303710][ T3767] addrconf_add_mroute+0x129/0x180 [ 6018.303710][ T3767] addrconf_add_dev+0xe2/0x170 [ 6018.303710][ T3767] inet6_addr_add+0x12f/0xa40 [ 6018.303710][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6018.303710][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.303710][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.303710][ T3767] netlink_unicast+0x449/0x710 [ 6018.303710][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.303710][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.303710][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.303710][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.303710][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.303710][ T3767] [ 6018.306120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6018.306120][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6018.306120][ T3767] ipv6_find_idev+0x102/0x170 [ 6018.306120][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.306120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.306120][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.306120][ T3767] netlink_unicast+0x449/0x710 [ 6018.306120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.306120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.306120][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.306120][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.306120][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.306120][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.306120][ T3767] [ 6018.307988][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6018.307988][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6018.307988][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6018.307988][ T3767] ipv6_find_idev+0x102/0x170 [ 6018.307988][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6018.307988][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6018.307988][ T3767] netlink_rcv_skb+0x130/0x360 [ 6018.307988][ T3767] netlink_unicast+0x449/0x710 [ 6018.307988][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6018.307988][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6018.307988][ T3767] ___sys_sendmsg+0xee/0x170 [ 6018.307988][ T3767] __sys_sendmsg+0xcd/0x170 [ 6018.307988][ T3767] do_syscall_64+0xc6/0x1e0 [ 6018.307988][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6018.307988][ T3767] [ 6028.552012][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6028.552533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6028.552533][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6028.552533][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6028.552533][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6028.552533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6028.552533][ T3767] ip6_route_add+0x1c/0x140 [ 6028.552533][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6028.552533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.552533][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.552533][ T3767] netlink_unicast+0x449/0x710 [ 6028.552533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.552533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.552533][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.552533][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.552533][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.552533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.552533][ T3767] [ 6028.554850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6028.554850][ T3767] netdev_get_by_index+0x5e/0x80 [ 6028.554850][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6028.554850][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6028.554850][ T3767] ip6_route_add+0x1c/0x140 [ 6028.554850][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6028.554850][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6028.554850][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.554850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.554850][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.554850][ T3767] netlink_unicast+0x449/0x710 [ 6028.554850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.554850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.554850][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.554850][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.554850][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.554850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.554850][ T3767] [ 6028.557315][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6028.557315][ T3767] netdev_get_by_index+0x5e/0x80 [ 6028.557315][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6028.557315][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6028.557315][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6028.557315][ T3767] ipv6_add_addr+0x411/0x2000 [ 6028.557315][ T3767] inet6_addr_add+0x30e/0xa40 [ 6028.557315][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.557315][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.557315][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.557315][ T3767] netlink_unicast+0x449/0x710 [ 6028.557315][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.557315][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.557315][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.557315][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.557315][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.557315][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.557315][ T3767] [ 6028.559774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6028.559774][ T3767] netdev_get_by_index+0x5e/0x80 [ 6028.559774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6028.559774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6028.559774][ T3767] ip6_route_add+0x1c/0x140 [ 6028.559774][ T3767] addrconf_add_mroute+0x129/0x180 [ 6028.559774][ T3767] addrconf_add_dev+0xe2/0x170 [ 6028.559774][ T3767] inet6_addr_add+0x12f/0xa40 [ 6028.559774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6028.559774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.559774][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.559774][ T3767] netlink_unicast+0x449/0x710 [ 6028.559774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.559774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.559774][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.559774][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.559774][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.559774][ T3767] [ 6028.562177][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6028.562177][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6028.562177][ T3767] ipv6_find_idev+0x102/0x170 [ 6028.562177][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.562177][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.562177][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.562177][ T3767] netlink_unicast+0x449/0x710 [ 6028.562177][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.562177][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.562177][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.562177][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.562177][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.562177][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.562177][ T3767] [ 6028.564052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6028.564052][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6028.564052][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6028.564052][ T3767] ipv6_find_idev+0x102/0x170 [ 6028.564052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6028.564052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6028.564052][ T3767] netlink_rcv_skb+0x130/0x360 [ 6028.564052][ T3767] netlink_unicast+0x449/0x710 [ 6028.564052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6028.564052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6028.564052][ T3767] ___sys_sendmsg+0xee/0x170 [ 6028.564052][ T3767] __sys_sendmsg+0xcd/0x170 [ 6028.564052][ T3767] do_syscall_64+0xc6/0x1e0 [ 6028.564052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6028.564052][ T3767] [ 6038.808012][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6038.808526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6038.808526][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6038.808526][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6038.808526][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6038.808526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6038.808526][ T3767] ip6_route_add+0x1c/0x140 [ 6038.808526][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6038.808526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.808526][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.808526][ T3767] netlink_unicast+0x449/0x710 [ 6038.808526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.808526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.808526][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.808526][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.808526][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.808526][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6038.808526][ T3767] [ 6038.810623][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6038.810623][ T3767] netdev_get_by_index+0x5e/0x80 [ 6038.810623][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6038.810623][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6038.810623][ T3767] ip6_route_add+0x1c/0x140 [ 6038.810623][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6038.810623][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6038.810623][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6038.810623][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.810623][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.810623][ T3767] netlink_unicast+0x449/0x710 [ 6038.810623][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.810623][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.810623][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.810623][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.810623][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.810623][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6038.810623][ T3767] [ 6038.812826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6038.812826][ T3767] netdev_get_by_index+0x5e/0x80 [ 6038.812826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6038.812826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6038.812826][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6038.812826][ T3767] ipv6_add_addr+0x411/0x2000 [ 6038.812826][ T3767] inet6_addr_add+0x30e/0xa40 [ 6038.812826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6038.812826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.812826][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.812826][ T3767] netlink_unicast+0x449/0x710 [ 6038.812826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.812826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.812826][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.812826][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.812826][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.812826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6038.812826][ T3767] [ 6038.815016][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6038.815016][ T3767] netdev_get_by_index+0x5e/0x80 [ 6038.815016][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6038.815016][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6038.815016][ T3767] ip6_route_add+0x1c/0x140 [ 6038.815016][ T3767] addrconf_add_mroute+0x129/0x180 [ 6038.815016][ T3767] addrconf_add_dev+0xe2/0x170 [ 6038.815016][ T3767] inet6_addr_add+0x12f/0xa40 [ 6038.815016][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6038.815016][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.815016][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.815016][ T3767] netlink_unicast+0x449/0x710 [ 6038.815016][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.815016][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.815016][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.815016][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.815016][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.815016][ T3767] [ 6038.817179][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6038.817179][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6038.817179][ T3767] ipv6_find_idev+0x102/0x170 [ 6038.817179][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6038.817179][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.817179][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.817179][ T3767] netlink_unicast+0x449/0x710 [ 6038.817179][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.817179][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.817179][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.817179][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.817179][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.817179][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6038.817179][ T3767] [ 6038.818875][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6038.818875][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6038.818875][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6038.818875][ T3767] ipv6_find_idev+0x102/0x170 [ 6038.818875][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6038.818875][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6038.818875][ T3767] netlink_rcv_skb+0x130/0x360 [ 6038.818875][ T3767] netlink_unicast+0x449/0x710 [ 6038.818875][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6038.818875][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6038.818875][ T3767] ___sys_sendmsg+0xee/0x170 [ 6038.818875][ T3767] __sys_sendmsg+0xcd/0x170 [ 6038.818875][ T3767] do_syscall_64+0xc6/0x1e0 [ 6038.818875][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6038.818875][ T3767] [ 6049.056010][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6049.056493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6049.056493][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6049.056493][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6049.056493][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6049.056493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6049.056493][ T3767] ip6_route_add+0x1c/0x140 [ 6049.056493][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6049.056493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.056493][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.056493][ T3767] netlink_unicast+0x449/0x710 [ 6049.056493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.056493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.056493][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.056493][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.056493][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.056493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.056493][ T3767] [ 6049.058640][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6049.058640][ T3767] netdev_get_by_index+0x5e/0x80 [ 6049.058640][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6049.058640][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6049.058640][ T3767] ip6_route_add+0x1c/0x140 [ 6049.058640][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6049.058640][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6049.058640][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.058640][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.058640][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.058640][ T3767] netlink_unicast+0x449/0x710 [ 6049.058640][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.058640][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.058640][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.058640][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.058640][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.058640][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.058640][ T3767] [ 6049.060845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6049.060845][ T3767] netdev_get_by_index+0x5e/0x80 [ 6049.060845][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6049.060845][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6049.060845][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6049.060845][ T3767] ipv6_add_addr+0x411/0x2000 [ 6049.060845][ T3767] inet6_addr_add+0x30e/0xa40 [ 6049.060845][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.060845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.060845][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.060845][ T3767] netlink_unicast+0x449/0x710 [ 6049.060845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.060845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.060845][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.060845][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.060845][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.060845][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.060845][ T3767] [ 6049.063038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6049.063038][ T3767] netdev_get_by_index+0x5e/0x80 [ 6049.063038][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6049.063038][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6049.063038][ T3767] ip6_route_add+0x1c/0x140 [ 6049.063038][ T3767] addrconf_add_mroute+0x129/0x180 [ 6049.063038][ T3767] addrconf_add_dev+0xe2/0x170 [ 6049.063038][ T3767] inet6_addr_add+0x12f/0xa40 [ 6049.063038][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6049.063038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.063038][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.063038][ T3767] netlink_unicast+0x449/0x710 [ 6049.063038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.063038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.063038][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.063038][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.063038][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.063038][ T3767] [ 6049.065184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6049.065184][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6049.065184][ T3767] ipv6_find_idev+0x102/0x170 [ 6049.065184][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.065184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.065184][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.065184][ T3767] netlink_unicast+0x449/0x710 [ 6049.065184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.065184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.065184][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.065184][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.065184][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.065184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.065184][ T3767] [ 6049.066854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6049.066854][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6049.066854][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6049.066854][ T3767] ipv6_find_idev+0x102/0x170 [ 6049.066854][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6049.066854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6049.066854][ T3767] netlink_rcv_skb+0x130/0x360 [ 6049.066854][ T3767] netlink_unicast+0x449/0x710 [ 6049.066854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6049.066854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6049.066854][ T3767] ___sys_sendmsg+0xee/0x170 [ 6049.066854][ T3767] __sys_sendmsg+0xcd/0x170 [ 6049.066854][ T3767] do_syscall_64+0xc6/0x1e0 [ 6049.066854][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6049.066854][ T3767] [ 6059.319956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6059.320476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6059.320476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6059.320476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6059.320476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6059.320476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6059.320476][ T3767] ip6_route_add+0x1c/0x140 [ 6059.320476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6059.320476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.320476][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.320476][ T3767] netlink_unicast+0x449/0x710 [ 6059.320476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.320476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.320476][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.320476][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.320476][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.320476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.320476][ T3767] [ 6059.322868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6059.322868][ T3767] netdev_get_by_index+0x5e/0x80 [ 6059.322868][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6059.322868][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6059.322868][ T3767] ip6_route_add+0x1c/0x140 [ 6059.322868][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6059.322868][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6059.322868][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.322868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.322868][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.322868][ T3767] netlink_unicast+0x449/0x710 [ 6059.322868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.322868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.322868][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.322868][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.322868][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.322868][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.322868][ T3767] [ 6059.325326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6059.325326][ T3767] netdev_get_by_index+0x5e/0x80 [ 6059.325326][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6059.325326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6059.325326][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6059.325326][ T3767] ipv6_add_addr+0x411/0x2000 [ 6059.325326][ T3767] inet6_addr_add+0x30e/0xa40 [ 6059.325326][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.325326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.325326][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.325326][ T3767] netlink_unicast+0x449/0x710 [ 6059.325326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.325326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.325326][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.325326][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.325326][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.325326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.325326][ T3767] [ 6059.327797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6059.327797][ T3767] netdev_get_by_index+0x5e/0x80 [ 6059.327797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6059.327797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6059.327797][ T3767] ip6_route_add+0x1c/0x140 [ 6059.327797][ T3767] addrconf_add_mroute+0x129/0x180 [ 6059.327797][ T3767] addrconf_add_dev+0xe2/0x170 [ 6059.327797][ T3767] inet6_addr_add+0x12f/0xa40 [ 6059.327797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6059.327797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.327797][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.327797][ T3767] netlink_unicast+0x449/0x710 [ 6059.327797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.327797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.327797][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.327797][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.327797][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.327797][ T3767] [ 6059.330208][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6059.330208][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6059.330208][ T3767] ipv6_find_idev+0x102/0x170 [ 6059.330208][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.330208][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.330208][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.330208][ T3767] netlink_unicast+0x449/0x710 [ 6059.330208][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.330208][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.330208][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.330208][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.330208][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.330208][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.330208][ T3767] [ 6059.332098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6059.332098][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6059.332098][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6059.332098][ T3767] ipv6_find_idev+0x102/0x170 [ 6059.332098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6059.332098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6059.332098][ T3767] netlink_rcv_skb+0x130/0x360 [ 6059.332098][ T3767] netlink_unicast+0x449/0x710 [ 6059.332098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6059.332098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6059.332098][ T3767] ___sys_sendmsg+0xee/0x170 [ 6059.332098][ T3767] __sys_sendmsg+0xcd/0x170 [ 6059.332098][ T3767] do_syscall_64+0xc6/0x1e0 [ 6059.332098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6059.332098][ T3767] [ 6069.575935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6069.576454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6069.576454][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6069.576454][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6069.576454][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6069.576454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6069.576454][ T3767] ip6_route_add+0x1c/0x140 [ 6069.576454][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6069.576454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.576454][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.576454][ T3767] netlink_unicast+0x449/0x710 [ 6069.576454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.576454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.576454][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.576454][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.576454][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.576454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.576454][ T3767] [ 6069.578824][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6069.578824][ T3767] netdev_get_by_index+0x5e/0x80 [ 6069.578824][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6069.578824][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6069.578824][ T3767] ip6_route_add+0x1c/0x140 [ 6069.578824][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6069.578824][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6069.578824][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.578824][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.578824][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.578824][ T3767] netlink_unicast+0x449/0x710 [ 6069.578824][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.578824][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.578824][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.578824][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.578824][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.578824][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.578824][ T3767] [ 6069.581276][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6069.581276][ T3767] netdev_get_by_index+0x5e/0x80 [ 6069.581276][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6069.581276][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6069.581276][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6069.581276][ T3767] ipv6_add_addr+0x411/0x2000 [ 6069.581276][ T3767] inet6_addr_add+0x30e/0xa40 [ 6069.581276][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.581276][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.581276][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.581276][ T3767] netlink_unicast+0x449/0x710 [ 6069.581276][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.581276][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.581276][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.581276][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.581276][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.581276][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.581276][ T3767] [ 6069.583733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6069.583733][ T3767] netdev_get_by_index+0x5e/0x80 [ 6069.583733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6069.583733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6069.583733][ T3767] ip6_route_add+0x1c/0x140 [ 6069.583733][ T3767] addrconf_add_mroute+0x129/0x180 [ 6069.583733][ T3767] addrconf_add_dev+0xe2/0x170 [ 6069.583733][ T3767] inet6_addr_add+0x12f/0xa40 [ 6069.583733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6069.583733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.583733][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.583733][ T3767] netlink_unicast+0x449/0x710 [ 6069.583733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.583733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.583733][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.583733][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.583733][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.583733][ T3767] [ 6069.586134][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6069.586134][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6069.586134][ T3767] ipv6_find_idev+0x102/0x170 [ 6069.586134][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.586134][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.586134][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.586134][ T3767] netlink_unicast+0x449/0x710 [ 6069.586134][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.586134][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.586134][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.586134][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.586134][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.586134][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.586134][ T3767] [ 6069.588025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6069.588025][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6069.588025][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6069.588025][ T3767] ipv6_find_idev+0x102/0x170 [ 6069.588025][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6069.588025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6069.588025][ T3767] netlink_rcv_skb+0x130/0x360 [ 6069.588025][ T3767] netlink_unicast+0x449/0x710 [ 6069.588025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6069.588025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6069.588025][ T3767] ___sys_sendmsg+0xee/0x170 [ 6069.588025][ T3767] __sys_sendmsg+0xcd/0x170 [ 6069.588025][ T3767] do_syscall_64+0xc6/0x1e0 [ 6069.588025][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6069.588025][ T3767] [ 6079.783943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6079.784490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6079.784490][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6079.784490][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6079.784490][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6079.784490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6079.784490][ T3767] ip6_route_add+0x1c/0x140 [ 6079.784490][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6079.784490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.784490][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.784490][ T3767] netlink_unicast+0x449/0x710 [ 6079.784490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.784490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.784490][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.784490][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.784490][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.784490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6079.784490][ T3767] [ 6079.786842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6079.786842][ T3767] netdev_get_by_index+0x5e/0x80 [ 6079.786842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6079.786842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6079.786842][ T3767] ip6_route_add+0x1c/0x140 [ 6079.786842][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6079.786842][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6079.786842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6079.786842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.786842][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.786842][ T3767] netlink_unicast+0x449/0x710 [ 6079.786842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.786842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.786842][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.786842][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.786842][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.786842][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6079.786842][ T3767] [ 6079.789312][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6079.789312][ T3767] netdev_get_by_index+0x5e/0x80 [ 6079.789312][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6079.789312][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6079.789312][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6079.789312][ T3767] ipv6_add_addr+0x411/0x2000 [ 6079.789312][ T3767] inet6_addr_add+0x30e/0xa40 [ 6079.789312][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6079.789312][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.789312][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.789312][ T3767] netlink_unicast+0x449/0x710 [ 6079.789312][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.789312][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.789312][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.789312][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.789312][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.789312][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6079.789312][ T3767] [ 6079.791757][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6079.791757][ T3767] netdev_get_by_index+0x5e/0x80 [ 6079.791757][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6079.791757][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6079.791757][ T3767] ip6_route_add+0x1c/0x140 [ 6079.791757][ T3767] addrconf_add_mroute+0x129/0x180 [ 6079.791757][ T3767] addrconf_add_dev+0xe2/0x170 [ 6079.791757][ T3767] inet6_addr_add+0x12f/0xa40 [ 6079.791757][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6079.791757][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.791757][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.791757][ T3767] netlink_unicast+0x449/0x710 [ 6079.791757][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.791757][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.791757][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.791757][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.791757][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.791757][ T3767] [ 6079.794161][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6079.794161][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6079.794161][ T3767] ipv6_find_idev+0x102/0x170 [ 6079.794161][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6079.794161][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.794161][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.794161][ T3767] netlink_unicast+0x449/0x710 [ 6079.794161][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.794161][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.794161][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.794161][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.794161][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.794161][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6079.794161][ T3767] [ 6079.796066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6079.796066][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6079.796066][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6079.796066][ T3767] ipv6_find_idev+0x102/0x170 [ 6079.796066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6079.796066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6079.796066][ T3767] netlink_rcv_skb+0x130/0x360 [ 6079.796066][ T3767] netlink_unicast+0x449/0x710 [ 6079.796066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6079.796066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6079.796066][ T3767] ___sys_sendmsg+0xee/0x170 [ 6079.796066][ T3767] __sys_sendmsg+0xcd/0x170 [ 6079.796066][ T3767] do_syscall_64+0xc6/0x1e0 [ 6079.796066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6079.796066][ T3767] [ 6090.039946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6090.040456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6090.040456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6090.040456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6090.040456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6090.040456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6090.040456][ T3767] ip6_route_add+0x1c/0x140 [ 6090.040456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6090.040456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.040456][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.040456][ T3767] netlink_unicast+0x449/0x710 [ 6090.040456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.040456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.040456][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.040456][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.040456][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.040456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.040456][ T3767] [ 6090.042794][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6090.042794][ T3767] netdev_get_by_index+0x5e/0x80 [ 6090.042794][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6090.042794][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6090.042794][ T3767] ip6_route_add+0x1c/0x140 [ 6090.042794][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6090.042794][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6090.042794][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.042794][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.042794][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.042794][ T3767] netlink_unicast+0x449/0x710 [ 6090.042794][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.042794][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.042794][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.042794][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.042794][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.042794][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.042794][ T3767] [ 6090.045754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6090.045754][ T3767] netdev_get_by_index+0x5e/0x80 [ 6090.045754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6090.045754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6090.045754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6090.045754][ T3767] ipv6_add_addr+0x411/0x2000 [ 6090.045754][ T3767] inet6_addr_add+0x30e/0xa40 [ 6090.045754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.045754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.045754][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.045754][ T3767] netlink_unicast+0x449/0x710 [ 6090.045754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.045754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.045754][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.045754][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.045754][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.045754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.045754][ T3767] [ 6090.048205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6090.048205][ T3767] netdev_get_by_index+0x5e/0x80 [ 6090.048205][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6090.048205][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6090.048205][ T3767] ip6_route_add+0x1c/0x140 [ 6090.048205][ T3767] addrconf_add_mroute+0x129/0x180 [ 6090.048205][ T3767] addrconf_add_dev+0xe2/0x170 [ 6090.048205][ T3767] inet6_addr_add+0x12f/0xa40 [ 6090.048205][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6090.048205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.048205][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.048205][ T3767] netlink_unicast+0x449/0x710 [ 6090.048205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.048205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.048205][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.048205][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.048205][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.048205][ T3767] [ 6090.050605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6090.050605][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6090.050605][ T3767] ipv6_find_idev+0x102/0x170 [ 6090.050605][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.050605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.050605][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.050605][ T3767] netlink_unicast+0x449/0x710 [ 6090.050605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.050605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.050605][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.050605][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.050605][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.050605][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.050605][ T3767] [ 6090.052483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6090.052483][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6090.052483][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6090.052483][ T3767] ipv6_find_idev+0x102/0x170 [ 6090.052483][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6090.052483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6090.052483][ T3767] netlink_rcv_skb+0x130/0x360 [ 6090.052483][ T3767] netlink_unicast+0x449/0x710 [ 6090.052483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6090.052483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6090.052483][ T3767] ___sys_sendmsg+0xee/0x170 [ 6090.052483][ T3767] __sys_sendmsg+0xcd/0x170 [ 6090.052483][ T3767] do_syscall_64+0xc6/0x1e0 [ 6090.052483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6090.052483][ T3767] [ 6100.296021][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6100.296539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6100.296539][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6100.296539][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6100.296539][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6100.296539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6100.296539][ T3767] ip6_route_add+0x1c/0x140 [ 6100.296539][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6100.296539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.296539][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.296539][ T3767] netlink_unicast+0x449/0x710 [ 6100.296539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.296539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.296539][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.296539][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.296539][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.296539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.296539][ T3767] [ 6100.298870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6100.298870][ T3767] netdev_get_by_index+0x5e/0x80 [ 6100.298870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6100.298870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6100.298870][ T3767] ip6_route_add+0x1c/0x140 [ 6100.298870][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6100.298870][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6100.298870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.298870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.298870][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.298870][ T3767] netlink_unicast+0x449/0x710 [ 6100.298870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.298870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.298870][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.298870][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.298870][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.298870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.298870][ T3767] [ 6100.301329][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6100.301329][ T3767] netdev_get_by_index+0x5e/0x80 [ 6100.301329][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6100.301329][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6100.301329][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6100.301329][ T3767] ipv6_add_addr+0x411/0x2000 [ 6100.301329][ T3767] inet6_addr_add+0x30e/0xa40 [ 6100.301329][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.301329][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.301329][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.301329][ T3767] netlink_unicast+0x449/0x710 [ 6100.301329][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.301329][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.301329][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.301329][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.301329][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.301329][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.301329][ T3767] [ 6100.303767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6100.303767][ T3767] netdev_get_by_index+0x5e/0x80 [ 6100.303767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6100.303767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6100.303767][ T3767] ip6_route_add+0x1c/0x140 [ 6100.303767][ T3767] addrconf_add_mroute+0x129/0x180 [ 6100.303767][ T3767] addrconf_add_dev+0xe2/0x170 [ 6100.303767][ T3767] inet6_addr_add+0x12f/0xa40 [ 6100.303767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6100.303767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.303767][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.303767][ T3767] netlink_unicast+0x449/0x710 [ 6100.303767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.303767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.303767][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.303767][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.303767][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.303767][ T3767] [ 6100.306176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6100.306176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6100.306176][ T3767] ipv6_find_idev+0x102/0x170 [ 6100.306176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.306176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.306176][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.306176][ T3767] netlink_unicast+0x449/0x710 [ 6100.306176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.306176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.306176][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.306176][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.306176][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.306176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.306176][ T3767] [ 6100.308060][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6100.308060][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6100.308060][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6100.308060][ T3767] ipv6_find_idev+0x102/0x170 [ 6100.308060][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6100.308060][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6100.308060][ T3767] netlink_rcv_skb+0x130/0x360 [ 6100.308060][ T3767] netlink_unicast+0x449/0x710 [ 6100.308060][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6100.308060][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6100.308060][ T3767] ___sys_sendmsg+0xee/0x170 [ 6100.308060][ T3767] __sys_sendmsg+0xcd/0x170 [ 6100.308060][ T3767] do_syscall_64+0xc6/0x1e0 [ 6100.308060][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6100.308060][ T3767] [ 6110.552029][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6110.552545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6110.552545][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6110.552545][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6110.552545][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6110.552545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6110.552545][ T3767] ip6_route_add+0x1c/0x140 [ 6110.552545][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6110.552545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.552545][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.552545][ T3767] netlink_unicast+0x449/0x710 [ 6110.552545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.552545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.552545][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.552545][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.552545][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.552545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.552545][ T3767] [ 6110.554862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6110.554862][ T3767] netdev_get_by_index+0x5e/0x80 [ 6110.554862][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6110.554862][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6110.554862][ T3767] ip6_route_add+0x1c/0x140 [ 6110.554862][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6110.554862][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6110.554862][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.554862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.554862][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.554862][ T3767] netlink_unicast+0x449/0x710 [ 6110.554862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.554862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.554862][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.554862][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.554862][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.554862][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.554862][ T3767] [ 6110.557413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6110.557413][ T3767] netdev_get_by_index+0x5e/0x80 [ 6110.557413][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6110.557413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6110.557413][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6110.557413][ T3767] ipv6_add_addr+0x411/0x2000 [ 6110.557413][ T3767] inet6_addr_add+0x30e/0xa40 [ 6110.557413][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.557413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.557413][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.557413][ T3767] netlink_unicast+0x449/0x710 [ 6110.557413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.557413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.557413][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.557413][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.557413][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.557413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.557413][ T3767] [ 6110.559861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6110.559861][ T3767] netdev_get_by_index+0x5e/0x80 [ 6110.559861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6110.559861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6110.559861][ T3767] ip6_route_add+0x1c/0x140 [ 6110.559861][ T3767] addrconf_add_mroute+0x129/0x180 [ 6110.559861][ T3767] addrconf_add_dev+0xe2/0x170 [ 6110.559861][ T3767] inet6_addr_add+0x12f/0xa40 [ 6110.559861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6110.559861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.559861][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.559861][ T3767] netlink_unicast+0x449/0x710 [ 6110.559861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.559861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.559861][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.559861][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.559861][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.559861][ T3767] [ 6110.562254][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6110.562254][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6110.562254][ T3767] ipv6_find_idev+0x102/0x170 [ 6110.562254][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.562254][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.562254][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.562254][ T3767] netlink_unicast+0x449/0x710 [ 6110.562254][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.562254][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.562254][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.562254][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.562254][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.562254][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.562254][ T3767] [ 6110.564669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6110.564669][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6110.564669][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6110.564669][ T3767] ipv6_find_idev+0x102/0x170 [ 6110.564669][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6110.564669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6110.564669][ T3767] netlink_rcv_skb+0x130/0x360 [ 6110.564669][ T3767] netlink_unicast+0x449/0x710 [ 6110.564669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6110.564669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6110.564669][ T3767] ___sys_sendmsg+0xee/0x170 [ 6110.564669][ T3767] __sys_sendmsg+0xcd/0x170 [ 6110.564669][ T3767] do_syscall_64+0xc6/0x1e0 [ 6110.564669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6110.564669][ T3767] [ 6120.727878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6120.728366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6120.728366][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6120.728366][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6120.728366][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6120.728366][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6120.728366][ T3767] ip6_route_add+0x1c/0x140 [ 6120.728366][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6120.728366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.728366][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.728366][ T3767] netlink_unicast+0x449/0x710 [ 6120.728366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.728366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.728366][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.728366][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.728366][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.728366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.728366][ T3767] [ 6120.730455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6120.730455][ T3767] netdev_get_by_index+0x5e/0x80 [ 6120.730455][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6120.730455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6120.730455][ T3767] ip6_route_add+0x1c/0x140 [ 6120.730455][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6120.730455][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6120.730455][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.730455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.730455][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.730455][ T3767] netlink_unicast+0x449/0x710 [ 6120.730455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.730455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.730455][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.730455][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.730455][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.730455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.730455][ T3767] [ 6120.732645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6120.732645][ T3767] netdev_get_by_index+0x5e/0x80 [ 6120.732645][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6120.732645][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6120.732645][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6120.732645][ T3767] ipv6_add_addr+0x411/0x2000 [ 6120.732645][ T3767] inet6_addr_add+0x30e/0xa40 [ 6120.732645][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.732645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.732645][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.732645][ T3767] netlink_unicast+0x449/0x710 [ 6120.732645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.732645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.732645][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.732645][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.732645][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.732645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.732645][ T3767] [ 6120.734828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6120.734828][ T3767] netdev_get_by_index+0x5e/0x80 [ 6120.734828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6120.734828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6120.734828][ T3767] ip6_route_add+0x1c/0x140 [ 6120.734828][ T3767] addrconf_add_mroute+0x129/0x180 [ 6120.734828][ T3767] addrconf_add_dev+0xe2/0x170 [ 6120.734828][ T3767] inet6_addr_add+0x12f/0xa40 [ 6120.734828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6120.734828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.734828][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.734828][ T3767] netlink_unicast+0x449/0x710 [ 6120.734828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.734828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.734828][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.734828][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.734828][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.734828][ T3767] [ 6120.736978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6120.736978][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6120.736978][ T3767] ipv6_find_idev+0x102/0x170 [ 6120.736978][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.736978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.736978][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.736978][ T3767] netlink_unicast+0x449/0x710 [ 6120.736978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.736978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.736978][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.736978][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.736978][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.736978][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.736978][ T3767] [ 6120.738664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6120.738664][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6120.738664][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6120.738664][ T3767] ipv6_find_idev+0x102/0x170 [ 6120.738664][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6120.738664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6120.738664][ T3767] netlink_rcv_skb+0x130/0x360 [ 6120.738664][ T3767] netlink_unicast+0x449/0x710 [ 6120.738664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6120.738664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6120.738664][ T3767] ___sys_sendmsg+0xee/0x170 [ 6120.738664][ T3767] __sys_sendmsg+0xcd/0x170 [ 6120.738664][ T3767] do_syscall_64+0xc6/0x1e0 [ 6120.738664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6120.738664][ T3767] [ 6130.799939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6130.800392][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6130.800392][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6130.800392][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6130.800392][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6130.800392][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6130.800392][ T3767] ip6_route_add+0x1c/0x140 [ 6130.800392][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6130.800392][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.800392][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.800392][ T3767] netlink_unicast+0x449/0x710 [ 6130.800392][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.800392][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.800392][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.800392][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.800392][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.800392][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.800392][ T3767] [ 6130.802464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6130.802464][ T3767] netdev_get_by_index+0x5e/0x80 [ 6130.802464][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6130.802464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6130.802464][ T3767] ip6_route_add+0x1c/0x140 [ 6130.802464][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6130.802464][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6130.802464][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.802464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.802464][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.802464][ T3767] netlink_unicast+0x449/0x710 [ 6130.802464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.802464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.802464][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.802464][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.802464][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.802464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.802464][ T3767] [ 6130.804649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6130.804649][ T3767] netdev_get_by_index+0x5e/0x80 [ 6130.804649][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6130.804649][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6130.804649][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6130.804649][ T3767] ipv6_add_addr+0x411/0x2000 [ 6130.804649][ T3767] inet6_addr_add+0x30e/0xa40 [ 6130.804649][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.804649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.804649][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.804649][ T3767] netlink_unicast+0x449/0x710 [ 6130.804649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.804649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.804649][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.804649][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.804649][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.804649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.804649][ T3767] [ 6130.806842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6130.806842][ T3767] netdev_get_by_index+0x5e/0x80 [ 6130.806842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6130.806842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6130.806842][ T3767] ip6_route_add+0x1c/0x140 [ 6130.806842][ T3767] addrconf_add_mroute+0x129/0x180 [ 6130.806842][ T3767] addrconf_add_dev+0xe2/0x170 [ 6130.806842][ T3767] inet6_addr_add+0x12f/0xa40 [ 6130.806842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6130.806842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.806842][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.806842][ T3767] netlink_unicast+0x449/0x710 [ 6130.806842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.806842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.806842][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.806842][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.806842][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.806842][ T3767] [ 6130.809027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6130.809027][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6130.809027][ T3767] ipv6_find_idev+0x102/0x170 [ 6130.809027][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6130.809027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.809027][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.809027][ T3767] netlink_unicast+0x449/0x710 [ 6130.809027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.809027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.809027][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.809027][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.809027][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.809027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.809027][ T3767] [ 6130.810715][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6130.810715][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6130.810715][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6130.810715][ T3767] ipv6_find_idev+0x102/0x170 [ 6130.810715][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6130.810715][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6130.810715][ T3767] netlink_rcv_skb+0x130/0x360 [ 6130.810715][ T3767] netlink_unicast+0x449/0x710 [ 6130.810715][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6130.810715][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6130.810715][ T3767] ___sys_sendmsg+0xee/0x170 [ 6130.810715][ T3767] __sys_sendmsg+0xcd/0x170 [ 6130.810715][ T3767] do_syscall_64+0xc6/0x1e0 [ 6130.810715][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6130.810715][ T3767] [ 6141.047876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6141.048331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6141.048331][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6141.048331][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6141.048331][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6141.048331][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6141.048331][ T3767] ip6_route_add+0x1c/0x140 [ 6141.048331][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6141.048331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.048331][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.048331][ T3767] netlink_unicast+0x449/0x710 [ 6141.048331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.048331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.048331][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.048331][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.048331][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.048331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.048331][ T3767] [ 6141.050434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6141.050434][ T3767] netdev_get_by_index+0x5e/0x80 [ 6141.050434][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6141.050434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6141.050434][ T3767] ip6_route_add+0x1c/0x140 [ 6141.050434][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6141.050434][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6141.050434][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.050434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.050434][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.050434][ T3767] netlink_unicast+0x449/0x710 [ 6141.050434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.050434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.050434][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.050434][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.050434][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.050434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.050434][ T3767] [ 6141.052651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6141.052651][ T3767] netdev_get_by_index+0x5e/0x80 [ 6141.052651][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6141.052651][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6141.052651][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6141.052651][ T3767] ipv6_add_addr+0x411/0x2000 [ 6141.052651][ T3767] inet6_addr_add+0x30e/0xa40 [ 6141.052651][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.052651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.052651][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.052651][ T3767] netlink_unicast+0x449/0x710 [ 6141.052651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.052651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.052651][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.052651][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.052651][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.052651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.052651][ T3767] [ 6141.054863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6141.054863][ T3767] netdev_get_by_index+0x5e/0x80 [ 6141.054863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6141.054863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6141.054863][ T3767] ip6_route_add+0x1c/0x140 [ 6141.054863][ T3767] addrconf_add_mroute+0x129/0x180 [ 6141.054863][ T3767] addrconf_add_dev+0xe2/0x170 [ 6141.054863][ T3767] inet6_addr_add+0x12f/0xa40 [ 6141.054863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6141.054863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.054863][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.054863][ T3767] netlink_unicast+0x449/0x710 [ 6141.054863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.054863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.054863][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.054863][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.054863][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.054863][ T3767] [ 6141.057031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6141.057031][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6141.057031][ T3767] ipv6_find_idev+0x102/0x170 [ 6141.057031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.057031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.057031][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.057031][ T3767] netlink_unicast+0x449/0x710 [ 6141.057031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.057031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.057031][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.057031][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.057031][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.057031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.057031][ T3767] [ 6141.058742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6141.058742][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6141.058742][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6141.058742][ T3767] ipv6_find_idev+0x102/0x170 [ 6141.058742][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6141.058742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6141.058742][ T3767] netlink_rcv_skb+0x130/0x360 [ 6141.058742][ T3767] netlink_unicast+0x449/0x710 [ 6141.058742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6141.058742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6141.058742][ T3767] ___sys_sendmsg+0xee/0x170 [ 6141.058742][ T3767] __sys_sendmsg+0xcd/0x170 [ 6141.058742][ T3767] do_syscall_64+0xc6/0x1e0 [ 6141.058742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6141.058742][ T3767] [ 6151.167877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6151.168359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6151.168359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6151.168359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6151.168359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6151.168359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6151.168359][ T3767] ip6_route_add+0x1c/0x140 [ 6151.168359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6151.168359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.168359][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.168359][ T3767] netlink_unicast+0x449/0x710 [ 6151.168359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.168359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.168359][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.168359][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.168359][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.168359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.168359][ T3767] [ 6151.170435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6151.170435][ T3767] netdev_get_by_index+0x5e/0x80 [ 6151.170435][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6151.170435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6151.170435][ T3767] ip6_route_add+0x1c/0x140 [ 6151.170435][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6151.170435][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6151.170435][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.170435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.170435][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.170435][ T3767] netlink_unicast+0x449/0x710 [ 6151.170435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.170435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.170435][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.170435][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.170435][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.170435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.170435][ T3767] [ 6151.172637][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6151.172637][ T3767] netdev_get_by_index+0x5e/0x80 [ 6151.172637][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6151.172637][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6151.172637][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6151.172637][ T3767] ipv6_add_addr+0x411/0x2000 [ 6151.172637][ T3767] inet6_addr_add+0x30e/0xa40 [ 6151.172637][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.172637][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.172637][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.172637][ T3767] netlink_unicast+0x449/0x710 [ 6151.172637][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.172637][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.172637][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.172637][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.172637][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.172637][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.172637][ T3767] [ 6151.174828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6151.174828][ T3767] netdev_get_by_index+0x5e/0x80 [ 6151.174828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6151.174828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6151.174828][ T3767] ip6_route_add+0x1c/0x140 [ 6151.174828][ T3767] addrconf_add_mroute+0x129/0x180 [ 6151.174828][ T3767] addrconf_add_dev+0xe2/0x170 [ 6151.174828][ T3767] inet6_addr_add+0x12f/0xa40 [ 6151.174828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6151.174828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.174828][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.174828][ T3767] netlink_unicast+0x449/0x710 [ 6151.174828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.174828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.174828][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.174828][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.174828][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.174828][ T3767] [ 6151.176998][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6151.176998][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6151.176998][ T3767] ipv6_find_idev+0x102/0x170 [ 6151.176998][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.176998][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.176998][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.176998][ T3767] netlink_unicast+0x449/0x710 [ 6151.176998][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.176998][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.176998][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.176998][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.176998][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.176998][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.176998][ T3767] [ 6151.178813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6151.178813][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6151.178813][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6151.178813][ T3767] ipv6_find_idev+0x102/0x170 [ 6151.178813][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6151.178813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6151.178813][ T3767] netlink_rcv_skb+0x130/0x360 [ 6151.178813][ T3767] netlink_unicast+0x449/0x710 [ 6151.178813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6151.178813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6151.178813][ T3767] ___sys_sendmsg+0xee/0x170 [ 6151.178813][ T3767] __sys_sendmsg+0xcd/0x170 [ 6151.178813][ T3767] do_syscall_64+0xc6/0x1e0 [ 6151.178813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6151.178813][ T3767] [ 6161.431946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6161.432415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6161.432415][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6161.432415][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6161.432415][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6161.432415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6161.432415][ T3767] ip6_route_add+0x1c/0x140 [ 6161.432415][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6161.432415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.432415][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.432415][ T3767] netlink_unicast+0x449/0x710 [ 6161.432415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.432415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.432415][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.432415][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.432415][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.432415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.432415][ T3767] [ 6161.435423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6161.435423][ T3767] netdev_get_by_index+0x5e/0x80 [ 6161.435423][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6161.435423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6161.435423][ T3767] ip6_route_add+0x1c/0x140 [ 6161.435423][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6161.435423][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6161.435423][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.435423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.435423][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.435423][ T3767] netlink_unicast+0x449/0x710 [ 6161.435423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.435423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.435423][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.435423][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.435423][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.435423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.435423][ T3767] [ 6161.437658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6161.437658][ T3767] netdev_get_by_index+0x5e/0x80 [ 6161.437658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6161.437658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6161.437658][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6161.437658][ T3767] ipv6_add_addr+0x411/0x2000 [ 6161.437658][ T3767] inet6_addr_add+0x30e/0xa40 [ 6161.437658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.437658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.437658][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.437658][ T3767] netlink_unicast+0x449/0x710 [ 6161.437658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.437658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.437658][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.437658][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.437658][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.437658][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.437658][ T3767] [ 6161.439869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6161.439869][ T3767] netdev_get_by_index+0x5e/0x80 [ 6161.439869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6161.439869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6161.439869][ T3767] ip6_route_add+0x1c/0x140 [ 6161.439869][ T3767] addrconf_add_mroute+0x129/0x180 [ 6161.439869][ T3767] addrconf_add_dev+0xe2/0x170 [ 6161.439869][ T3767] inet6_addr_add+0x12f/0xa40 [ 6161.439869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6161.439869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.439869][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.439869][ T3767] netlink_unicast+0x449/0x710 [ 6161.439869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.439869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.439869][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.439869][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.439869][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.439869][ T3767] [ 6161.442060][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6161.442060][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6161.442060][ T3767] ipv6_find_idev+0x102/0x170 [ 6161.442060][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.442060][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.442060][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.442060][ T3767] netlink_unicast+0x449/0x710 [ 6161.442060][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.442060][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.442060][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.442060][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.442060][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.442060][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.442060][ T3767] [ 6161.443778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6161.443778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6161.443778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6161.443778][ T3767] ipv6_find_idev+0x102/0x170 [ 6161.443778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6161.443778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6161.443778][ T3767] netlink_rcv_skb+0x130/0x360 [ 6161.443778][ T3767] netlink_unicast+0x449/0x710 [ 6161.443778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6161.443778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6161.443778][ T3767] ___sys_sendmsg+0xee/0x170 [ 6161.443778][ T3767] __sys_sendmsg+0xcd/0x170 [ 6161.443778][ T3767] do_syscall_64+0xc6/0x1e0 [ 6161.443778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6161.443778][ T3767] [ 6171.607942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6171.608406][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6171.608406][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6171.608406][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6171.608406][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6171.608406][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6171.608406][ T3767] ip6_route_add+0x1c/0x140 [ 6171.608406][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6171.608406][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.608406][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.608406][ T3767] netlink_unicast+0x449/0x710 [ 6171.608406][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.608406][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.608406][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.608406][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.608406][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.608406][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.608406][ T3767] [ 6171.610540][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6171.610540][ T3767] netdev_get_by_index+0x5e/0x80 [ 6171.610540][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6171.610540][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6171.610540][ T3767] ip6_route_add+0x1c/0x140 [ 6171.610540][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6171.610540][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6171.610540][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.610540][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.610540][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.610540][ T3767] netlink_unicast+0x449/0x710 [ 6171.610540][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.610540][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.610540][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.610540][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.610540][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.610540][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.610540][ T3767] [ 6171.612745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6171.612745][ T3767] netdev_get_by_index+0x5e/0x80 [ 6171.612745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6171.612745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6171.612745][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6171.612745][ T3767] ipv6_add_addr+0x411/0x2000 [ 6171.612745][ T3767] inet6_addr_add+0x30e/0xa40 [ 6171.612745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.612745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.612745][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.612745][ T3767] netlink_unicast+0x449/0x710 [ 6171.612745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.612745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.612745][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.612745][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.612745][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.612745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.612745][ T3767] [ 6171.614947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6171.614947][ T3767] netdev_get_by_index+0x5e/0x80 [ 6171.614947][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6171.614947][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6171.614947][ T3767] ip6_route_add+0x1c/0x140 [ 6171.614947][ T3767] addrconf_add_mroute+0x129/0x180 [ 6171.614947][ T3767] addrconf_add_dev+0xe2/0x170 [ 6171.614947][ T3767] inet6_addr_add+0x12f/0xa40 [ 6171.614947][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6171.614947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.614947][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.614947][ T3767] netlink_unicast+0x449/0x710 [ 6171.614947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.614947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.614947][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.614947][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.614947][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.614947][ T3767] [ 6171.617468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6171.617468][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6171.617468][ T3767] ipv6_find_idev+0x102/0x170 [ 6171.617468][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6171.617468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.617468][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.617468][ T3767] netlink_unicast+0x449/0x710 [ 6171.617468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.617468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.617468][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.617468][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.617468][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.617468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.617468][ T3767] [ 6171.619170][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6171.619170][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6171.619170][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6171.619170][ T3767] ipv6_find_idev+0x102/0x170 [ 6171.619170][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6171.619170][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6171.619170][ T3767] netlink_rcv_skb+0x130/0x360 [ 6171.619170][ T3767] netlink_unicast+0x449/0x710 [ 6171.619170][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6171.619170][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6171.619170][ T3767] ___sys_sendmsg+0xee/0x170 [ 6171.619170][ T3767] __sys_sendmsg+0xcd/0x170 [ 6171.619170][ T3767] do_syscall_64+0xc6/0x1e0 [ 6171.619170][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6171.619170][ T3767] [ 6181.863946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6181.864466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6181.864466][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6181.864466][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6181.864466][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6181.864466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6181.864466][ T3767] ip6_route_add+0x1c/0x140 [ 6181.864466][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6181.864466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.864466][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.864466][ T3767] netlink_unicast+0x449/0x710 [ 6181.864466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.864466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.864466][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.864466][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.864466][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.864466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.864466][ T3767] [ 6181.866821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6181.866821][ T3767] netdev_get_by_index+0x5e/0x80 [ 6181.866821][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6181.866821][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6181.866821][ T3767] ip6_route_add+0x1c/0x140 [ 6181.866821][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6181.866821][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6181.866821][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.866821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.866821][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.866821][ T3767] netlink_unicast+0x449/0x710 [ 6181.866821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.866821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.866821][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.866821][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.866821][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.866821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.866821][ T3767] [ 6181.869306][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6181.869306][ T3767] netdev_get_by_index+0x5e/0x80 [ 6181.869306][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6181.869306][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6181.869306][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6181.869306][ T3767] ipv6_add_addr+0x411/0x2000 [ 6181.869306][ T3767] inet6_addr_add+0x30e/0xa40 [ 6181.869306][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.869306][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.869306][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.869306][ T3767] netlink_unicast+0x449/0x710 [ 6181.869306][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.869306][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.869306][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.869306][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.869306][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.869306][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.869306][ T3767] [ 6181.871791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6181.871791][ T3767] netdev_get_by_index+0x5e/0x80 [ 6181.871791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6181.871791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6181.871791][ T3767] ip6_route_add+0x1c/0x140 [ 6181.871791][ T3767] addrconf_add_mroute+0x129/0x180 [ 6181.871791][ T3767] addrconf_add_dev+0xe2/0x170 [ 6181.871791][ T3767] inet6_addr_add+0x12f/0xa40 [ 6181.871791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6181.871791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.871791][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.871791][ T3767] netlink_unicast+0x449/0x710 [ 6181.871791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.871791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.871791][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.871791][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.871791][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.871791][ T3767] [ 6181.874206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6181.874206][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6181.874206][ T3767] ipv6_find_idev+0x102/0x170 [ 6181.874206][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6181.874206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.874206][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.874206][ T3767] netlink_unicast+0x449/0x710 [ 6181.874206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.874206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.874206][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.874206][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.874206][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.874206][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.874206][ T3767] [ 6181.876107][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6181.876107][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6181.876107][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6181.876107][ T3767] ipv6_find_idev+0x102/0x170 [ 6181.876107][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6181.876107][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6181.876107][ T3767] netlink_rcv_skb+0x130/0x360 [ 6181.876107][ T3767] netlink_unicast+0x449/0x710 [ 6181.876107][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6181.876107][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6181.876107][ T3767] ___sys_sendmsg+0xee/0x170 [ 6181.876107][ T3767] __sys_sendmsg+0xcd/0x170 [ 6181.876107][ T3767] do_syscall_64+0xc6/0x1e0 [ 6181.876107][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6181.876107][ T3767] [ 6191.959961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6191.960496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6191.960496][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6191.960496][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6191.960496][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6191.960496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6191.960496][ T3767] ip6_route_add+0x1c/0x140 [ 6191.960496][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6191.960496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.960496][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.960496][ T3767] netlink_unicast+0x449/0x710 [ 6191.960496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.960496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.960496][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.960496][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.960496][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.960496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.960496][ T3767] [ 6191.962821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6191.962821][ T3767] netdev_get_by_index+0x5e/0x80 [ 6191.962821][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6191.962821][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6191.962821][ T3767] ip6_route_add+0x1c/0x140 [ 6191.962821][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6191.962821][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6191.962821][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.962821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.962821][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.962821][ T3767] netlink_unicast+0x449/0x710 [ 6191.962821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.962821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.962821][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.962821][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.962821][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.962821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.962821][ T3767] [ 6191.965283][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6191.965283][ T3767] netdev_get_by_index+0x5e/0x80 [ 6191.965283][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6191.965283][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6191.965283][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6191.965283][ T3767] ipv6_add_addr+0x411/0x2000 [ 6191.965283][ T3767] inet6_addr_add+0x30e/0xa40 [ 6191.965283][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.965283][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.965283][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.965283][ T3767] netlink_unicast+0x449/0x710 [ 6191.965283][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.965283][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.965283][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.965283][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.965283][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.965283][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.965283][ T3767] [ 6191.967773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6191.967773][ T3767] netdev_get_by_index+0x5e/0x80 [ 6191.967773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6191.967773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6191.967773][ T3767] ip6_route_add+0x1c/0x140 [ 6191.967773][ T3767] addrconf_add_mroute+0x129/0x180 [ 6191.967773][ T3767] addrconf_add_dev+0xe2/0x170 [ 6191.967773][ T3767] inet6_addr_add+0x12f/0xa40 [ 6191.967773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6191.967773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.967773][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.967773][ T3767] netlink_unicast+0x449/0x710 [ 6191.967773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.967773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.967773][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.967773][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.967773][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.967773][ T3767] [ 6191.970313][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6191.970313][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6191.970313][ T3767] ipv6_find_idev+0x102/0x170 [ 6191.970313][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6191.970313][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.970313][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.970313][ T3767] netlink_unicast+0x449/0x710 [ 6191.970313][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.970313][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.970313][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.970313][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.970313][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.970313][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.970313][ T3767] [ 6191.972218][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6191.972218][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6191.972218][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6191.972218][ T3767] ipv6_find_idev+0x102/0x170 [ 6191.972218][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6191.972218][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6191.972218][ T3767] netlink_rcv_skb+0x130/0x360 [ 6191.972218][ T3767] netlink_unicast+0x449/0x710 [ 6191.972218][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6191.972218][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6191.972218][ T3767] ___sys_sendmsg+0xee/0x170 [ 6191.972218][ T3767] __sys_sendmsg+0xcd/0x170 [ 6191.972218][ T3767] do_syscall_64+0xc6/0x1e0 [ 6191.972218][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6191.972218][ T3767] [ 6202.216004][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6202.216524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6202.216524][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6202.216524][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6202.216524][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6202.216524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6202.216524][ T3767] ip6_route_add+0x1c/0x140 [ 6202.216524][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6202.216524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.216524][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.216524][ T3767] netlink_unicast+0x449/0x710 [ 6202.216524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.216524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.216524][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.216524][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.216524][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.216524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6202.216524][ T3767] [ 6202.218893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6202.218893][ T3767] netdev_get_by_index+0x5e/0x80 [ 6202.218893][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6202.218893][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6202.218893][ T3767] ip6_route_add+0x1c/0x140 [ 6202.218893][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6202.218893][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6202.218893][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6202.218893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.218893][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.218893][ T3767] netlink_unicast+0x449/0x710 [ 6202.218893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.218893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.218893][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.218893][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.218893][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.218893][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6202.218893][ T3767] [ 6202.221342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6202.221342][ T3767] netdev_get_by_index+0x5e/0x80 [ 6202.221342][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6202.221342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6202.221342][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6202.221342][ T3767] ipv6_add_addr+0x411/0x2000 [ 6202.221342][ T3767] inet6_addr_add+0x30e/0xa40 [ 6202.221342][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6202.221342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.221342][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.221342][ T3767] netlink_unicast+0x449/0x710 [ 6202.221342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.221342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.221342][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.221342][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.221342][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.221342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6202.221342][ T3767] [ 6202.223807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6202.223807][ T3767] netdev_get_by_index+0x5e/0x80 [ 6202.223807][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6202.223807][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6202.223807][ T3767] ip6_route_add+0x1c/0x140 [ 6202.223807][ T3767] addrconf_add_mroute+0x129/0x180 [ 6202.223807][ T3767] addrconf_add_dev+0xe2/0x170 [ 6202.223807][ T3767] inet6_addr_add+0x12f/0xa40 [ 6202.223807][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6202.223807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.223807][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.223807][ T3767] netlink_unicast+0x449/0x710 [ 6202.223807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.223807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.223807][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.223807][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.223807][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.223807][ T3767] [ 6202.226228][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6202.226228][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6202.226228][ T3767] ipv6_find_idev+0x102/0x170 [ 6202.226228][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6202.226228][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.226228][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.226228][ T3767] netlink_unicast+0x449/0x710 [ 6202.226228][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.226228][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.226228][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.226228][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.226228][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.226228][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6202.226228][ T3767] [ 6202.228131][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6202.228131][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6202.228131][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6202.228131][ T3767] ipv6_find_idev+0x102/0x170 [ 6202.228131][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6202.228131][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6202.228131][ T3767] netlink_rcv_skb+0x130/0x360 [ 6202.228131][ T3767] netlink_unicast+0x449/0x710 [ 6202.228131][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6202.228131][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6202.228131][ T3767] ___sys_sendmsg+0xee/0x170 [ 6202.228131][ T3767] __sys_sendmsg+0xcd/0x170 [ 6202.228131][ T3767] do_syscall_64+0xc6/0x1e0 [ 6202.228131][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6202.228131][ T3767] [ 6212.471970][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6212.472503][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6212.472503][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6212.472503][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6212.472503][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6212.472503][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6212.472503][ T3767] ip6_route_add+0x1c/0x140 [ 6212.472503][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6212.472503][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.472503][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.472503][ T3767] netlink_unicast+0x449/0x710 [ 6212.472503][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.472503][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.472503][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.472503][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.472503][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.472503][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6212.472503][ T3767] [ 6212.474868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6212.474868][ T3767] netdev_get_by_index+0x5e/0x80 [ 6212.474868][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6212.474868][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6212.474868][ T3767] ip6_route_add+0x1c/0x140 [ 6212.474868][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6212.474868][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6212.474868][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6212.474868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.474868][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.474868][ T3767] netlink_unicast+0x449/0x710 [ 6212.474868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.474868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.474868][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.474868][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.474868][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.474868][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6212.474868][ T3767] [ 6212.477329][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6212.477329][ T3767] netdev_get_by_index+0x5e/0x80 [ 6212.477329][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6212.477329][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6212.477329][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6212.477329][ T3767] ipv6_add_addr+0x411/0x2000 [ 6212.477329][ T3767] inet6_addr_add+0x30e/0xa40 [ 6212.477329][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6212.477329][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.477329][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.477329][ T3767] netlink_unicast+0x449/0x710 [ 6212.477329][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.477329][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.477329][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.477329][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.477329][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.477329][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6212.477329][ T3767] [ 6212.479813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6212.479813][ T3767] netdev_get_by_index+0x5e/0x80 [ 6212.479813][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6212.479813][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6212.479813][ T3767] ip6_route_add+0x1c/0x140 [ 6212.479813][ T3767] addrconf_add_mroute+0x129/0x180 [ 6212.479813][ T3767] addrconf_add_dev+0xe2/0x170 [ 6212.479813][ T3767] inet6_addr_add+0x12f/0xa40 [ 6212.479813][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6212.479813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.479813][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.479813][ T3767] netlink_unicast+0x449/0x710 [ 6212.479813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.479813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.479813][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.479813][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.479813][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.479813][ T3767] [ 6212.482249][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6212.482249][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6212.482249][ T3767] ipv6_find_idev+0x102/0x170 [ 6212.482249][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6212.482249][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.482249][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.482249][ T3767] netlink_unicast+0x449/0x710 [ 6212.482249][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.482249][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.482249][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.482249][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.482249][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.482249][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6212.482249][ T3767] [ 6212.484147][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6212.484147][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6212.484147][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6212.484147][ T3767] ipv6_find_idev+0x102/0x170 [ 6212.484147][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6212.484147][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6212.484147][ T3767] netlink_rcv_skb+0x130/0x360 [ 6212.484147][ T3767] netlink_unicast+0x449/0x710 [ 6212.484147][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6212.484147][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6212.484147][ T3767] ___sys_sendmsg+0xee/0x170 [ 6212.484147][ T3767] __sys_sendmsg+0xcd/0x170 [ 6212.484147][ T3767] do_syscall_64+0xc6/0x1e0 [ 6212.484147][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6212.484147][ T3767] [ 6222.655878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6222.656407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6222.656407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6222.656407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6222.656407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6222.656407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6222.656407][ T3767] ip6_route_add+0x1c/0x140 [ 6222.656407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6222.656407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.656407][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.656407][ T3767] netlink_unicast+0x449/0x710 [ 6222.656407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.656407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.656407][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.656407][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.656407][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.656407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.656407][ T3767] [ 6222.658751][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6222.658751][ T3767] netdev_get_by_index+0x5e/0x80 [ 6222.658751][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6222.658751][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6222.658751][ T3767] ip6_route_add+0x1c/0x140 [ 6222.658751][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6222.658751][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6222.658751][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.658751][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.658751][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.658751][ T3767] netlink_unicast+0x449/0x710 [ 6222.658751][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.658751][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.658751][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.658751][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.658751][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.658751][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.658751][ T3767] [ 6222.661221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6222.661221][ T3767] netdev_get_by_index+0x5e/0x80 [ 6222.661221][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6222.661221][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6222.661221][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6222.661221][ T3767] ipv6_add_addr+0x411/0x2000 [ 6222.661221][ T3767] inet6_addr_add+0x30e/0xa40 [ 6222.661221][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.661221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.661221][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.661221][ T3767] netlink_unicast+0x449/0x710 [ 6222.661221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.661221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.661221][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.661221][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.661221][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.661221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.661221][ T3767] [ 6222.663668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6222.663668][ T3767] netdev_get_by_index+0x5e/0x80 [ 6222.663668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6222.663668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6222.663668][ T3767] ip6_route_add+0x1c/0x140 [ 6222.663668][ T3767] addrconf_add_mroute+0x129/0x180 [ 6222.663668][ T3767] addrconf_add_dev+0xe2/0x170 [ 6222.663668][ T3767] inet6_addr_add+0x12f/0xa40 [ 6222.663668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6222.663668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.663668][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.663668][ T3767] netlink_unicast+0x449/0x710 [ 6222.663668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.663668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.663668][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.663668][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.663668][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.663668][ T3767] [ 6222.666068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6222.666068][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6222.666068][ T3767] ipv6_find_idev+0x102/0x170 [ 6222.666068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6222.666068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.666068][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.666068][ T3767] netlink_unicast+0x449/0x710 [ 6222.666068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.666068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.666068][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.666068][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.666068][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.666068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.666068][ T3767] [ 6222.667959][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6222.667959][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6222.667959][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6222.667959][ T3767] ipv6_find_idev+0x102/0x170 [ 6222.667959][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6222.667959][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6222.667959][ T3767] netlink_rcv_skb+0x130/0x360 [ 6222.667959][ T3767] netlink_unicast+0x449/0x710 [ 6222.667959][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6222.667959][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6222.667959][ T3767] ___sys_sendmsg+0xee/0x170 [ 6222.667959][ T3767] __sys_sendmsg+0xcd/0x170 [ 6222.667959][ T3767] do_syscall_64+0xc6/0x1e0 [ 6222.667959][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6222.667959][ T3767] [ 6232.919965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6232.920484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6232.920484][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6232.920484][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6232.920484][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6232.920484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6232.920484][ T3767] ip6_route_add+0x1c/0x140 [ 6232.920484][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6232.920484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.920484][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.920484][ T3767] netlink_unicast+0x449/0x710 [ 6232.920484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.920484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.920484][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.920484][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.920484][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.920484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.920484][ T3767] [ 6232.922683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6232.922683][ T3767] netdev_get_by_index+0x5e/0x80 [ 6232.922683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6232.922683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6232.922683][ T3767] ip6_route_add+0x1c/0x140 [ 6232.922683][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6232.922683][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6232.922683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.922683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.922683][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.922683][ T3767] netlink_unicast+0x449/0x710 [ 6232.922683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.922683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.922683][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.922683][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.922683][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.922683][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.922683][ T3767] [ 6232.924997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6232.924997][ T3767] netdev_get_by_index+0x5e/0x80 [ 6232.924997][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6232.924997][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6232.924997][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6232.924997][ T3767] ipv6_add_addr+0x411/0x2000 [ 6232.924997][ T3767] inet6_addr_add+0x30e/0xa40 [ 6232.924997][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.924997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.924997][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.924997][ T3767] netlink_unicast+0x449/0x710 [ 6232.924997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.924997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.924997][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.924997][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.924997][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.924997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.924997][ T3767] [ 6232.927283][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6232.927283][ T3767] netdev_get_by_index+0x5e/0x80 [ 6232.927283][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6232.927283][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6232.927283][ T3767] ip6_route_add+0x1c/0x140 [ 6232.927283][ T3767] addrconf_add_mroute+0x129/0x180 [ 6232.927283][ T3767] addrconf_add_dev+0xe2/0x170 [ 6232.927283][ T3767] inet6_addr_add+0x12f/0xa40 [ 6232.927283][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6232.927283][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.927283][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.927283][ T3767] netlink_unicast+0x449/0x710 [ 6232.927283][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.927283][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.927283][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.927283][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.927283][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.927283][ T3767] [ 6232.929461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6232.929461][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6232.929461][ T3767] ipv6_find_idev+0x102/0x170 [ 6232.929461][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6232.929461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.929461][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.929461][ T3767] netlink_unicast+0x449/0x710 [ 6232.929461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.929461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.929461][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.929461][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.929461][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.929461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.929461][ T3767] [ 6232.931165][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6232.931165][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6232.931165][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6232.931165][ T3767] ipv6_find_idev+0x102/0x170 [ 6232.931165][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6232.931165][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6232.931165][ T3767] netlink_rcv_skb+0x130/0x360 [ 6232.931165][ T3767] netlink_unicast+0x449/0x710 [ 6232.931165][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6232.931165][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6232.931165][ T3767] ___sys_sendmsg+0xee/0x170 [ 6232.931165][ T3767] __sys_sendmsg+0xcd/0x170 [ 6232.931165][ T3767] do_syscall_64+0xc6/0x1e0 [ 6232.931165][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6232.931165][ T3767] [ 6243.175947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6243.176353][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6243.176353][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6243.176353][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6243.176353][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6243.176353][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6243.176353][ T3767] ip6_route_add+0x1c/0x140 [ 6243.176353][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6243.176353][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.176353][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.176353][ T3767] netlink_unicast+0x449/0x710 [ 6243.176353][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.176353][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.176353][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.176353][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.176353][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.176353][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.176353][ T3767] [ 6243.178493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6243.178493][ T3767] netdev_get_by_index+0x5e/0x80 [ 6243.178493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6243.178493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6243.178493][ T3767] ip6_route_add+0x1c/0x140 [ 6243.178493][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6243.178493][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6243.178493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.178493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.178493][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.178493][ T3767] netlink_unicast+0x449/0x710 [ 6243.178493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.178493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.178493][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.178493][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.178493][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.178493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.178493][ T3767] [ 6243.180701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6243.180701][ T3767] netdev_get_by_index+0x5e/0x80 [ 6243.180701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6243.180701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6243.180701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6243.180701][ T3767] ipv6_add_addr+0x411/0x2000 [ 6243.180701][ T3767] inet6_addr_add+0x30e/0xa40 [ 6243.180701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.180701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.180701][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.180701][ T3767] netlink_unicast+0x449/0x710 [ 6243.180701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.180701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.180701][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.180701][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.180701][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.180701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.180701][ T3767] [ 6243.182926][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6243.182926][ T3767] netdev_get_by_index+0x5e/0x80 [ 6243.182926][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6243.182926][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6243.182926][ T3767] ip6_route_add+0x1c/0x140 [ 6243.182926][ T3767] addrconf_add_mroute+0x129/0x180 [ 6243.182926][ T3767] addrconf_add_dev+0xe2/0x170 [ 6243.182926][ T3767] inet6_addr_add+0x12f/0xa40 [ 6243.182926][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6243.182926][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.182926][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.182926][ T3767] netlink_unicast+0x449/0x710 [ 6243.182926][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.182926][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.182926][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.182926][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.182926][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.182926][ T3767] [ 6243.185101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6243.185101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6243.185101][ T3767] ipv6_find_idev+0x102/0x170 [ 6243.185101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.185101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.185101][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.185101][ T3767] netlink_unicast+0x449/0x710 [ 6243.185101][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.185101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.185101][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.185101][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.185101][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.185101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.185101][ T3767] [ 6243.186808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6243.186808][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6243.186808][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6243.186808][ T3767] ipv6_find_idev+0x102/0x170 [ 6243.186808][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6243.186808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6243.186808][ T3767] netlink_rcv_skb+0x130/0x360 [ 6243.186808][ T3767] netlink_unicast+0x449/0x710 [ 6243.186808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6243.186808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6243.186808][ T3767] ___sys_sendmsg+0xee/0x170 [ 6243.186808][ T3767] __sys_sendmsg+0xcd/0x170 [ 6243.186808][ T3767] do_syscall_64+0xc6/0x1e0 [ 6243.186808][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6243.186808][ T3767] [ 6253.423953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6253.424432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6253.424432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6253.424432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6253.424432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6253.424432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6253.424432][ T3767] ip6_route_add+0x1c/0x140 [ 6253.424432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6253.424432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.424432][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.424432][ T3767] netlink_unicast+0x449/0x710 [ 6253.424432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.424432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.424432][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.424432][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.424432][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.424432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6253.424432][ T3767] [ 6253.426562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6253.426562][ T3767] netdev_get_by_index+0x5e/0x80 [ 6253.426562][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6253.426562][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6253.426562][ T3767] ip6_route_add+0x1c/0x140 [ 6253.426562][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6253.426562][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6253.426562][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6253.426562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.426562][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.426562][ T3767] netlink_unicast+0x449/0x710 [ 6253.426562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.426562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.426562][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.426562][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.426562][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.426562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6253.426562][ T3767] [ 6253.428809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6253.428809][ T3767] netdev_get_by_index+0x5e/0x80 [ 6253.428809][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6253.428809][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6253.428809][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6253.428809][ T3767] ipv6_add_addr+0x411/0x2000 [ 6253.428809][ T3767] inet6_addr_add+0x30e/0xa40 [ 6253.428809][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6253.428809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.428809][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.428809][ T3767] netlink_unicast+0x449/0x710 [ 6253.428809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.428809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.428809][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.428809][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.428809][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.428809][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6253.428809][ T3767] [ 6253.431043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6253.431043][ T3767] netdev_get_by_index+0x5e/0x80 [ 6253.431043][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6253.431043][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6253.431043][ T3767] ip6_route_add+0x1c/0x140 [ 6253.431043][ T3767] addrconf_add_mroute+0x129/0x180 [ 6253.431043][ T3767] addrconf_add_dev+0xe2/0x170 [ 6253.431043][ T3767] inet6_addr_add+0x12f/0xa40 [ 6253.431043][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6253.431043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.431043][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.431043][ T3767] netlink_unicast+0x449/0x710 [ 6253.431043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.431043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.431043][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.431043][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.431043][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.431043][ T3767] [ 6253.433221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6253.433221][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6253.433221][ T3767] ipv6_find_idev+0x102/0x170 [ 6253.433221][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6253.433221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.433221][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.433221][ T3767] netlink_unicast+0x449/0x710 [ 6253.433221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.433221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.433221][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.433221][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.433221][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.433221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6253.433221][ T3767] [ 6253.434926][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6253.434926][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6253.434926][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6253.434926][ T3767] ipv6_find_idev+0x102/0x170 [ 6253.434926][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6253.434926][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6253.434926][ T3767] netlink_rcv_skb+0x130/0x360 [ 6253.434926][ T3767] netlink_unicast+0x449/0x710 [ 6253.434926][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6253.434926][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6253.434926][ T3767] ___sys_sendmsg+0xee/0x170 [ 6253.434926][ T3767] __sys_sendmsg+0xcd/0x170 [ 6253.434926][ T3767] do_syscall_64+0xc6/0x1e0 [ 6253.434926][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6253.434926][ T3767] [ 6263.671938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6263.672488][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6263.672488][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6263.672488][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6263.672488][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6263.672488][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6263.672488][ T3767] ip6_route_add+0x1c/0x140 [ 6263.672488][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6263.672488][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.672488][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.672488][ T3767] netlink_unicast+0x449/0x710 [ 6263.672488][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.672488][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.672488][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.672488][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.672488][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.672488][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6263.672488][ T3767] [ 6263.674808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6263.674808][ T3767] netdev_get_by_index+0x5e/0x80 [ 6263.674808][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6263.674808][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6263.674808][ T3767] ip6_route_add+0x1c/0x140 [ 6263.674808][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6263.674808][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6263.674808][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6263.674808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.674808][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.674808][ T3767] netlink_unicast+0x449/0x710 [ 6263.674808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.674808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.674808][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.674808][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.674808][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.674808][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6263.674808][ T3767] [ 6263.677295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6263.677295][ T3767] netdev_get_by_index+0x5e/0x80 [ 6263.677295][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6263.677295][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6263.677295][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6263.677295][ T3767] ipv6_add_addr+0x411/0x2000 [ 6263.677295][ T3767] inet6_addr_add+0x30e/0xa40 [ 6263.677295][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6263.677295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.677295][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.677295][ T3767] netlink_unicast+0x449/0x710 [ 6263.677295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.677295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.677295][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.677295][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.677295][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.677295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6263.677295][ T3767] [ 6263.679763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6263.679763][ T3767] netdev_get_by_index+0x5e/0x80 [ 6263.679763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6263.679763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6263.679763][ T3767] ip6_route_add+0x1c/0x140 [ 6263.679763][ T3767] addrconf_add_mroute+0x129/0x180 [ 6263.679763][ T3767] addrconf_add_dev+0xe2/0x170 [ 6263.679763][ T3767] inet6_addr_add+0x12f/0xa40 [ 6263.679763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6263.679763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.679763][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.679763][ T3767] netlink_unicast+0x449/0x710 [ 6263.679763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.679763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.679763][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.679763][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.679763][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.679763][ T3767] [ 6263.682185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6263.682185][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6263.682185][ T3767] ipv6_find_idev+0x102/0x170 [ 6263.682185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6263.682185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.682185][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.682185][ T3767] netlink_unicast+0x449/0x710 [ 6263.682185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.682185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.682185][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.682185][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.682185][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.682185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6263.682185][ T3767] [ 6263.684077][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6263.684077][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6263.684077][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6263.684077][ T3767] ipv6_find_idev+0x102/0x170 [ 6263.684077][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6263.684077][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6263.684077][ T3767] netlink_rcv_skb+0x130/0x360 [ 6263.684077][ T3767] netlink_unicast+0x449/0x710 [ 6263.684077][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6263.684077][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6263.684077][ T3767] ___sys_sendmsg+0xee/0x170 [ 6263.684077][ T3767] __sys_sendmsg+0xcd/0x170 [ 6263.684077][ T3767] do_syscall_64+0xc6/0x1e0 [ 6263.684077][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6263.684077][ T3767] [ 6273.791939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6273.792478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6273.792478][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6273.792478][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6273.792478][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6273.792478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6273.792478][ T3767] ip6_route_add+0x1c/0x140 [ 6273.792478][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6273.792478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.792478][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.792478][ T3767] netlink_unicast+0x449/0x710 [ 6273.792478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.792478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.792478][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.792478][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.792478][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.792478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.792478][ T3767] [ 6273.794874][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6273.794874][ T3767] netdev_get_by_index+0x5e/0x80 [ 6273.794874][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6273.794874][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6273.794874][ T3767] ip6_route_add+0x1c/0x140 [ 6273.794874][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6273.794874][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6273.794874][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.794874][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.794874][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.794874][ T3767] netlink_unicast+0x449/0x710 [ 6273.794874][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.794874][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.794874][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.794874][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.794874][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.794874][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.794874][ T3767] [ 6273.797385][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6273.797385][ T3767] netdev_get_by_index+0x5e/0x80 [ 6273.797385][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6273.797385][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6273.797385][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6273.797385][ T3767] ipv6_add_addr+0x411/0x2000 [ 6273.797385][ T3767] inet6_addr_add+0x30e/0xa40 [ 6273.797385][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.797385][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.797385][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.797385][ T3767] netlink_unicast+0x449/0x710 [ 6273.797385][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.797385][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.797385][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.797385][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.797385][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.797385][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.797385][ T3767] [ 6273.799847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6273.799847][ T3767] netdev_get_by_index+0x5e/0x80 [ 6273.799847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6273.799847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6273.799847][ T3767] ip6_route_add+0x1c/0x140 [ 6273.799847][ T3767] addrconf_add_mroute+0x129/0x180 [ 6273.799847][ T3767] addrconf_add_dev+0xe2/0x170 [ 6273.799847][ T3767] inet6_addr_add+0x12f/0xa40 [ 6273.799847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6273.799847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.799847][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.799847][ T3767] netlink_unicast+0x449/0x710 [ 6273.799847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.799847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.799847][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.799847][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.799847][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.799847][ T3767] [ 6273.802302][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6273.802302][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6273.802302][ T3767] ipv6_find_idev+0x102/0x170 [ 6273.802302][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6273.802302][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.802302][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.802302][ T3767] netlink_unicast+0x449/0x710 [ 6273.802302][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.802302][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.802302][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.802302][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.802302][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.802302][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.802302][ T3767] [ 6273.804186][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6273.804186][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6273.804186][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6273.804186][ T3767] ipv6_find_idev+0x102/0x170 [ 6273.804186][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6273.804186][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6273.804186][ T3767] netlink_rcv_skb+0x130/0x360 [ 6273.804186][ T3767] netlink_unicast+0x449/0x710 [ 6273.804186][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6273.804186][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6273.804186][ T3767] ___sys_sendmsg+0xee/0x170 [ 6273.804186][ T3767] __sys_sendmsg+0xcd/0x170 [ 6273.804186][ T3767] do_syscall_64+0xc6/0x1e0 [ 6273.804186][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6273.804186][ T3767] [ 6284.055939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6284.056502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6284.056502][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6284.056502][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6284.056502][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6284.056502][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6284.056502][ T3767] ip6_route_add+0x1c/0x140 [ 6284.056502][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6284.056502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.056502][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.056502][ T3767] netlink_unicast+0x449/0x710 [ 6284.056502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.056502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.056502][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.056502][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.056502][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.056502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6284.056502][ T3767] [ 6284.058835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6284.058835][ T3767] netdev_get_by_index+0x5e/0x80 [ 6284.058835][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6284.058835][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6284.058835][ T3767] ip6_route_add+0x1c/0x140 [ 6284.058835][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6284.058835][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6284.058835][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6284.058835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.058835][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.058835][ T3767] netlink_unicast+0x449/0x710 [ 6284.058835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.058835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.058835][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.058835][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.058835][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.058835][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6284.058835][ T3767] [ 6284.061278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6284.061278][ T3767] netdev_get_by_index+0x5e/0x80 [ 6284.061278][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6284.061278][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6284.061278][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6284.061278][ T3767] ipv6_add_addr+0x411/0x2000 [ 6284.061278][ T3767] inet6_addr_add+0x30e/0xa40 [ 6284.061278][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6284.061278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.061278][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.061278][ T3767] netlink_unicast+0x449/0x710 [ 6284.061278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.061278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.061278][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.061278][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.061278][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.061278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6284.061278][ T3767] [ 6284.063750][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6284.063750][ T3767] netdev_get_by_index+0x5e/0x80 [ 6284.063750][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6284.063750][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6284.063750][ T3767] ip6_route_add+0x1c/0x140 [ 6284.063750][ T3767] addrconf_add_mroute+0x129/0x180 [ 6284.063750][ T3767] addrconf_add_dev+0xe2/0x170 [ 6284.063750][ T3767] inet6_addr_add+0x12f/0xa40 [ 6284.063750][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6284.063750][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.063750][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.063750][ T3767] netlink_unicast+0x449/0x710 [ 6284.063750][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.063750][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.063750][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.063750][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.063750][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.063750][ T3767] [ 6284.066155][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6284.066155][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6284.066155][ T3767] ipv6_find_idev+0x102/0x170 [ 6284.066155][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6284.066155][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.066155][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.066155][ T3767] netlink_unicast+0x449/0x710 [ 6284.066155][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.066155][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.066155][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.066155][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.066155][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.066155][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6284.066155][ T3767] [ 6284.068045][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6284.068045][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6284.068045][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6284.068045][ T3767] ipv6_find_idev+0x102/0x170 [ 6284.068045][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6284.068045][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6284.068045][ T3767] netlink_rcv_skb+0x130/0x360 [ 6284.068045][ T3767] netlink_unicast+0x449/0x710 [ 6284.068045][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6284.068045][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6284.068045][ T3767] ___sys_sendmsg+0xee/0x170 [ 6284.068045][ T3767] __sys_sendmsg+0xcd/0x170 [ 6284.068045][ T3767] do_syscall_64+0xc6/0x1e0 [ 6284.068045][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6284.068045][ T3767] [ 6294.319935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6294.320499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6294.320499][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6294.320499][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6294.320499][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6294.320499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6294.320499][ T3767] ip6_route_add+0x1c/0x140 [ 6294.320499][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6294.320499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.320499][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.320499][ T3767] netlink_unicast+0x449/0x710 [ 6294.320499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.320499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.320499][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.320499][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.320499][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.320499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6294.320499][ T3767] [ 6294.322819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6294.322819][ T3767] netdev_get_by_index+0x5e/0x80 [ 6294.322819][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6294.322819][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6294.322819][ T3767] ip6_route_add+0x1c/0x140 [ 6294.322819][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6294.322819][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6294.322819][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6294.322819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.322819][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.322819][ T3767] netlink_unicast+0x449/0x710 [ 6294.322819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.322819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.322819][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.322819][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.322819][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.322819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6294.322819][ T3767] [ 6294.325268][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6294.325268][ T3767] netdev_get_by_index+0x5e/0x80 [ 6294.325268][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6294.325268][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6294.325268][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6294.325268][ T3767] ipv6_add_addr+0x411/0x2000 [ 6294.325268][ T3767] inet6_addr_add+0x30e/0xa40 [ 6294.325268][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6294.325268][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.325268][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.325268][ T3767] netlink_unicast+0x449/0x710 [ 6294.325268][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.325268][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.325268][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.325268][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.325268][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.325268][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6294.325268][ T3767] [ 6294.327720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6294.327720][ T3767] netdev_get_by_index+0x5e/0x80 [ 6294.327720][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6294.327720][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6294.327720][ T3767] ip6_route_add+0x1c/0x140 [ 6294.327720][ T3767] addrconf_add_mroute+0x129/0x180 [ 6294.327720][ T3767] addrconf_add_dev+0xe2/0x170 [ 6294.327720][ T3767] inet6_addr_add+0x12f/0xa40 [ 6294.327720][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6294.327720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.327720][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.327720][ T3767] netlink_unicast+0x449/0x710 [ 6294.327720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.327720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.327720][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.327720][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.327720][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.327720][ T3767] [ 6294.330126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6294.330126][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6294.330126][ T3767] ipv6_find_idev+0x102/0x170 [ 6294.330126][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6294.330126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.330126][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.330126][ T3767] netlink_unicast+0x449/0x710 [ 6294.330126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.330126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.330126][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.330126][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.330126][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.330126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6294.330126][ T3767] [ 6294.332003][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6294.332003][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6294.332003][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6294.332003][ T3767] ipv6_find_idev+0x102/0x170 [ 6294.332003][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6294.332003][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6294.332003][ T3767] netlink_rcv_skb+0x130/0x360 [ 6294.332003][ T3767] netlink_unicast+0x449/0x710 [ 6294.332003][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6294.332003][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6294.332003][ T3767] ___sys_sendmsg+0xee/0x170 [ 6294.332003][ T3767] __sys_sendmsg+0xcd/0x170 [ 6294.332003][ T3767] do_syscall_64+0xc6/0x1e0 [ 6294.332003][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6294.332003][ T3767] [ 6304.576046][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6304.576570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6304.576570][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6304.576570][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6304.576570][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6304.576570][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6304.576570][ T3767] ip6_route_add+0x1c/0x140 [ 6304.576570][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6304.576570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.576570][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.576570][ T3767] netlink_unicast+0x449/0x710 [ 6304.576570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.576570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.576570][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.576570][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.576570][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.576570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6304.576570][ T3767] [ 6304.578680][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6304.578680][ T3767] netdev_get_by_index+0x5e/0x80 [ 6304.578680][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6304.578680][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6304.578680][ T3767] ip6_route_add+0x1c/0x140 [ 6304.578680][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6304.578680][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6304.578680][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6304.578680][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.578680][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.578680][ T3767] netlink_unicast+0x449/0x710 [ 6304.578680][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.578680][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.578680][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.578680][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.578680][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.578680][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6304.578680][ T3767] [ 6304.580890][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6304.580890][ T3767] netdev_get_by_index+0x5e/0x80 [ 6304.580890][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6304.580890][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6304.580890][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6304.580890][ T3767] ipv6_add_addr+0x411/0x2000 [ 6304.580890][ T3767] inet6_addr_add+0x30e/0xa40 [ 6304.580890][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6304.580890][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.580890][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.580890][ T3767] netlink_unicast+0x449/0x710 [ 6304.580890][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.580890][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.580890][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.580890][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.580890][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.580890][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6304.580890][ T3767] [ 6304.583089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6304.583089][ T3767] netdev_get_by_index+0x5e/0x80 [ 6304.583089][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6304.583089][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6304.583089][ T3767] ip6_route_add+0x1c/0x140 [ 6304.583089][ T3767] addrconf_add_mroute+0x129/0x180 [ 6304.583089][ T3767] addrconf_add_dev+0xe2/0x170 [ 6304.583089][ T3767] inet6_addr_add+0x12f/0xa40 [ 6304.583089][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6304.583089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.583089][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.583089][ T3767] netlink_unicast+0x449/0x710 [ 6304.583089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.583089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.583089][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.583089][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.583089][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.583089][ T3767] [ 6304.585262][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6304.585262][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6304.585262][ T3767] ipv6_find_idev+0x102/0x170 [ 6304.585262][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6304.585262][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.585262][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.585262][ T3767] netlink_unicast+0x449/0x710 [ 6304.585262][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.585262][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.585262][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.585262][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.585262][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.585262][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6304.585262][ T3767] [ 6304.586968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6304.586968][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6304.586968][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6304.586968][ T3767] ipv6_find_idev+0x102/0x170 [ 6304.586968][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6304.586968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6304.586968][ T3767] netlink_rcv_skb+0x130/0x360 [ 6304.586968][ T3767] netlink_unicast+0x449/0x710 [ 6304.586968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6304.586968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6304.586968][ T3767] ___sys_sendmsg+0xee/0x170 [ 6304.586968][ T3767] __sys_sendmsg+0xcd/0x170 [ 6304.586968][ T3767] do_syscall_64+0xc6/0x1e0 [ 6304.586968][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6304.586968][ T3767] [ 6314.839944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6314.840365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6314.840365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6314.840365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6314.840365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6314.840365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6314.840365][ T3767] ip6_route_add+0x1c/0x140 [ 6314.840365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6314.840365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.840365][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.840365][ T3767] netlink_unicast+0x449/0x710 [ 6314.840365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.840365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.840365][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.840365][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.840365][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.840365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6314.840365][ T3767] [ 6314.842451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6314.842451][ T3767] netdev_get_by_index+0x5e/0x80 [ 6314.842451][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6314.842451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6314.842451][ T3767] ip6_route_add+0x1c/0x140 [ 6314.842451][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6314.842451][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6314.842451][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6314.842451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.842451][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.842451][ T3767] netlink_unicast+0x449/0x710 [ 6314.842451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.842451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.842451][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.842451][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.842451][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.842451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6314.842451][ T3767] [ 6314.844649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6314.844649][ T3767] netdev_get_by_index+0x5e/0x80 [ 6314.844649][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6314.844649][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6314.844649][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6314.844649][ T3767] ipv6_add_addr+0x411/0x2000 [ 6314.844649][ T3767] inet6_addr_add+0x30e/0xa40 [ 6314.844649][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6314.844649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.844649][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.844649][ T3767] netlink_unicast+0x449/0x710 [ 6314.844649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.844649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.844649][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.844649][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.844649][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.844649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6314.844649][ T3767] [ 6314.846854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6314.846854][ T3767] netdev_get_by_index+0x5e/0x80 [ 6314.846854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6314.846854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6314.846854][ T3767] ip6_route_add+0x1c/0x140 [ 6314.846854][ T3767] addrconf_add_mroute+0x129/0x180 [ 6314.846854][ T3767] addrconf_add_dev+0xe2/0x170 [ 6314.846854][ T3767] inet6_addr_add+0x12f/0xa40 [ 6314.846854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6314.846854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.846854][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.846854][ T3767] netlink_unicast+0x449/0x710 [ 6314.846854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.846854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.846854][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.846854][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.846854][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.846854][ T3767] [ 6314.849016][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6314.849016][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6314.849016][ T3767] ipv6_find_idev+0x102/0x170 [ 6314.849016][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6314.849016][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.849016][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.849016][ T3767] netlink_unicast+0x449/0x710 [ 6314.849016][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.849016][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.849016][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.849016][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.849016][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.849016][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6314.849016][ T3767] [ 6314.850704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6314.850704][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6314.850704][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6314.850704][ T3767] ipv6_find_idev+0x102/0x170 [ 6314.850704][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6314.850704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6314.850704][ T3767] netlink_rcv_skb+0x130/0x360 [ 6314.850704][ T3767] netlink_unicast+0x449/0x710 [ 6314.850704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6314.850704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6314.850704][ T3767] ___sys_sendmsg+0xee/0x170 [ 6314.850704][ T3767] __sys_sendmsg+0xcd/0x170 [ 6314.850704][ T3767] do_syscall_64+0xc6/0x1e0 [ 6314.850704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6314.850704][ T3767] [ 6325.103946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6325.104404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6325.104404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6325.104404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6325.104404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6325.104404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6325.104404][ T3767] ip6_route_add+0x1c/0x140 [ 6325.104404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6325.104404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.104404][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.104404][ T3767] netlink_unicast+0x449/0x710 [ 6325.104404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.104404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.104404][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.104404][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.104404][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.104404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.104404][ T3767] [ 6325.106502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6325.106502][ T3767] netdev_get_by_index+0x5e/0x80 [ 6325.106502][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6325.106502][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6325.106502][ T3767] ip6_route_add+0x1c/0x140 [ 6325.106502][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6325.106502][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6325.106502][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6325.106502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.106502][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.106502][ T3767] netlink_unicast+0x449/0x710 [ 6325.106502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.106502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.106502][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.106502][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.106502][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.106502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.106502][ T3767] [ 6325.108697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6325.108697][ T3767] netdev_get_by_index+0x5e/0x80 [ 6325.108697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6325.108697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6325.108697][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6325.108697][ T3767] ipv6_add_addr+0x411/0x2000 [ 6325.108697][ T3767] inet6_addr_add+0x30e/0xa40 [ 6325.108697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6325.108697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.108697][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.108697][ T3767] netlink_unicast+0x449/0x710 [ 6325.108697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.108697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.108697][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.108697][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.108697][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.108697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.108697][ T3767] [ 6325.110877][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6325.110877][ T3767] netdev_get_by_index+0x5e/0x80 [ 6325.110877][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6325.110877][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6325.110877][ T3767] ip6_route_add+0x1c/0x140 [ 6325.110877][ T3767] addrconf_add_mroute+0x129/0x180 [ 6325.110877][ T3767] addrconf_add_dev+0xe2/0x170 [ 6325.110877][ T3767] inet6_addr_add+0x12f/0xa40 [ 6325.110877][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6325.110877][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.110877][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.110877][ T3767] netlink_unicast+0x449/0x710 [ 6325.110877][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.110877][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.110877][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.110877][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.110877][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.110877][ T3767] [ 6325.113027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6325.113027][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6325.113027][ T3767] ipv6_find_idev+0x102/0x170 [ 6325.113027][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6325.113027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.113027][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.113027][ T3767] netlink_unicast+0x449/0x710 [ 6325.113027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.113027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.113027][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.113027][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.113027][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.113027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.113027][ T3767] [ 6325.114730][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6325.114730][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6325.114730][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6325.114730][ T3767] ipv6_find_idev+0x102/0x170 [ 6325.114730][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6325.114730][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6325.114730][ T3767] netlink_rcv_skb+0x130/0x360 [ 6325.114730][ T3767] netlink_unicast+0x449/0x710 [ 6325.114730][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6325.114730][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6325.114730][ T3767] ___sys_sendmsg+0xee/0x170 [ 6325.114730][ T3767] __sys_sendmsg+0xcd/0x170 [ 6325.114730][ T3767] do_syscall_64+0xc6/0x1e0 [ 6325.114730][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6325.114730][ T3767] [ 6335.367878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6335.368353][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6335.368353][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6335.368353][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6335.368353][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6335.368353][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6335.368353][ T3767] ip6_route_add+0x1c/0x140 [ 6335.368353][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6335.368353][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.368353][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.368353][ T3767] netlink_unicast+0x449/0x710 [ 6335.368353][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.368353][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.368353][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.368353][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.368353][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.368353][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6335.368353][ T3767] [ 6335.370462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6335.370462][ T3767] netdev_get_by_index+0x5e/0x80 [ 6335.370462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6335.370462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6335.370462][ T3767] ip6_route_add+0x1c/0x140 [ 6335.370462][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6335.370462][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6335.370462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6335.370462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.370462][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.370462][ T3767] netlink_unicast+0x449/0x710 [ 6335.370462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.370462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.370462][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.370462][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.370462][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.370462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6335.370462][ T3767] [ 6335.372661][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6335.372661][ T3767] netdev_get_by_index+0x5e/0x80 [ 6335.372661][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6335.372661][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6335.372661][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6335.372661][ T3767] ipv6_add_addr+0x411/0x2000 [ 6335.372661][ T3767] inet6_addr_add+0x30e/0xa40 [ 6335.372661][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6335.372661][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.372661][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.372661][ T3767] netlink_unicast+0x449/0x710 [ 6335.372661][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.372661][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.372661][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.372661][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.372661][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.372661][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6335.372661][ T3767] [ 6335.374860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6335.374860][ T3767] netdev_get_by_index+0x5e/0x80 [ 6335.374860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6335.374860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6335.374860][ T3767] ip6_route_add+0x1c/0x140 [ 6335.374860][ T3767] addrconf_add_mroute+0x129/0x180 [ 6335.374860][ T3767] addrconf_add_dev+0xe2/0x170 [ 6335.374860][ T3767] inet6_addr_add+0x12f/0xa40 [ 6335.374860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6335.374860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.374860][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.374860][ T3767] netlink_unicast+0x449/0x710 [ 6335.374860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.374860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.374860][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.374860][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.374860][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.374860][ T3767] [ 6335.377031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6335.377031][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6335.377031][ T3767] ipv6_find_idev+0x102/0x170 [ 6335.377031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6335.377031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.377031][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.377031][ T3767] netlink_unicast+0x449/0x710 [ 6335.377031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.377031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.377031][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.377031][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.377031][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.377031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6335.377031][ T3767] [ 6335.378771][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6335.378771][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6335.378771][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6335.378771][ T3767] ipv6_find_idev+0x102/0x170 [ 6335.378771][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6335.378771][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6335.378771][ T3767] netlink_rcv_skb+0x130/0x360 [ 6335.378771][ T3767] netlink_unicast+0x449/0x710 [ 6335.378771][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6335.378771][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6335.378771][ T3767] ___sys_sendmsg+0xee/0x170 [ 6335.378771][ T3767] __sys_sendmsg+0xcd/0x170 [ 6335.378771][ T3767] do_syscall_64+0xc6/0x1e0 [ 6335.378771][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6335.378771][ T3767] [ 6345.631879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6345.632416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6345.632416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6345.632416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6345.632416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6345.632416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6345.632416][ T3767] ip6_route_add+0x1c/0x140 [ 6345.632416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6345.632416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.632416][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.632416][ T3767] netlink_unicast+0x449/0x710 [ 6345.632416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.632416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.632416][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.632416][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.632416][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.632416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6345.632416][ T3767] [ 6345.634782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6345.634782][ T3767] netdev_get_by_index+0x5e/0x80 [ 6345.634782][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6345.634782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6345.634782][ T3767] ip6_route_add+0x1c/0x140 [ 6345.634782][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6345.634782][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6345.634782][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6345.634782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.634782][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.634782][ T3767] netlink_unicast+0x449/0x710 [ 6345.634782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.634782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.634782][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.634782][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.634782][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.634782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6345.634782][ T3767] [ 6345.637231][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6345.637231][ T3767] netdev_get_by_index+0x5e/0x80 [ 6345.637231][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6345.637231][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6345.637231][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6345.637231][ T3767] ipv6_add_addr+0x411/0x2000 [ 6345.637231][ T3767] inet6_addr_add+0x30e/0xa40 [ 6345.637231][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6345.637231][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.637231][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.637231][ T3767] netlink_unicast+0x449/0x710 [ 6345.637231][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.637231][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.637231][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.637231][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.637231][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.637231][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6345.637231][ T3767] [ 6345.639685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6345.639685][ T3767] netdev_get_by_index+0x5e/0x80 [ 6345.639685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6345.639685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6345.639685][ T3767] ip6_route_add+0x1c/0x140 [ 6345.639685][ T3767] addrconf_add_mroute+0x129/0x180 [ 6345.639685][ T3767] addrconf_add_dev+0xe2/0x170 [ 6345.639685][ T3767] inet6_addr_add+0x12f/0xa40 [ 6345.639685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6345.639685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.639685][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.639685][ T3767] netlink_unicast+0x449/0x710 [ 6345.639685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.639685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.639685][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.639685][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.639685][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.639685][ T3767] [ 6345.642089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6345.642089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6345.642089][ T3767] ipv6_find_idev+0x102/0x170 [ 6345.642089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6345.642089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.642089][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.642089][ T3767] netlink_unicast+0x449/0x710 [ 6345.642089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.642089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.642089][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.642089][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.642089][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.642089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6345.642089][ T3767] [ 6345.643982][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6345.643982][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6345.643982][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6345.643982][ T3767] ipv6_find_idev+0x102/0x170 [ 6345.643982][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6345.643982][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6345.643982][ T3767] netlink_rcv_skb+0x130/0x360 [ 6345.643982][ T3767] netlink_unicast+0x449/0x710 [ 6345.643982][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6345.643982][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6345.643982][ T3767] ___sys_sendmsg+0xee/0x170 [ 6345.643982][ T3767] __sys_sendmsg+0xcd/0x170 [ 6345.643982][ T3767] do_syscall_64+0xc6/0x1e0 [ 6345.643982][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6345.643982][ T3767] [ 6355.895942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6355.896457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6355.896457][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6355.896457][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6355.896457][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6355.896457][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6355.896457][ T3767] ip6_route_add+0x1c/0x140 [ 6355.896457][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6355.896457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.896457][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.896457][ T3767] netlink_unicast+0x449/0x710 [ 6355.896457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.896457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.896457][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.896457][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.896457][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.896457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.896457][ T3767] [ 6355.899984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6355.899984][ T3767] netdev_get_by_index+0x5e/0x80 [ 6355.899984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6355.899984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6355.899984][ T3767] ip6_route_add+0x1c/0x140 [ 6355.899984][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6355.899984][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6355.899984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.899984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.899984][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.899984][ T3767] netlink_unicast+0x449/0x710 [ 6355.899984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.899984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.899984][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.899984][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.899984][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.899984][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.899984][ T3767] [ 6355.902415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6355.902415][ T3767] netdev_get_by_index+0x5e/0x80 [ 6355.902415][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6355.902415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6355.902415][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6355.902415][ T3767] ipv6_add_addr+0x411/0x2000 [ 6355.902415][ T3767] inet6_addr_add+0x30e/0xa40 [ 6355.902415][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.902415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.902415][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.902415][ T3767] netlink_unicast+0x449/0x710 [ 6355.902415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.902415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.902415][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.902415][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.902415][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.902415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.902415][ T3767] [ 6355.904866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6355.904866][ T3767] netdev_get_by_index+0x5e/0x80 [ 6355.904866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6355.904866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6355.904866][ T3767] ip6_route_add+0x1c/0x140 [ 6355.904866][ T3767] addrconf_add_mroute+0x129/0x180 [ 6355.904866][ T3767] addrconf_add_dev+0xe2/0x170 [ 6355.904866][ T3767] inet6_addr_add+0x12f/0xa40 [ 6355.904866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6355.904866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.904866][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.904866][ T3767] netlink_unicast+0x449/0x710 [ 6355.904866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.904866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.904866][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.904866][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.904866][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.904866][ T3767] [ 6355.907288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6355.907288][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6355.907288][ T3767] ipv6_find_idev+0x102/0x170 [ 6355.907288][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.907288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.907288][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.907288][ T3767] netlink_unicast+0x449/0x710 [ 6355.907288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.907288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.907288][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.907288][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.907288][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.907288][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.907288][ T3767] [ 6355.909174][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6355.909174][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6355.909174][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6355.909174][ T3767] ipv6_find_idev+0x102/0x170 [ 6355.909174][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6355.909174][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6355.909174][ T3767] netlink_rcv_skb+0x130/0x360 [ 6355.909174][ T3767] netlink_unicast+0x449/0x710 [ 6355.909174][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6355.909174][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6355.909174][ T3767] ___sys_sendmsg+0xee/0x170 [ 6355.909174][ T3767] __sys_sendmsg+0xcd/0x170 [ 6355.909174][ T3767] do_syscall_64+0xc6/0x1e0 [ 6355.909174][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6355.909174][ T3767] [ 6366.159945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6366.160442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6366.160442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6366.160442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6366.160442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6366.160442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6366.160442][ T3767] ip6_route_add+0x1c/0x140 [ 6366.160442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6366.160442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.160442][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.160442][ T3767] netlink_unicast+0x449/0x710 [ 6366.160442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.160442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.160442][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.160442][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.160442][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.160442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.160442][ T3767] [ 6366.162580][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6366.162580][ T3767] netdev_get_by_index+0x5e/0x80 [ 6366.162580][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6366.162580][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6366.162580][ T3767] ip6_route_add+0x1c/0x140 [ 6366.162580][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6366.162580][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6366.162580][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6366.162580][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.162580][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.162580][ T3767] netlink_unicast+0x449/0x710 [ 6366.162580][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.162580][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.162580][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.162580][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.162580][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.162580][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.162580][ T3767] [ 6366.165254][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6366.165254][ T3767] netdev_get_by_index+0x5e/0x80 [ 6366.165254][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6366.165254][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6366.165254][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6366.165254][ T3767] ipv6_add_addr+0x411/0x2000 [ 6366.165254][ T3767] inet6_addr_add+0x30e/0xa40 [ 6366.165254][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6366.165254][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.165254][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.165254][ T3767] netlink_unicast+0x449/0x710 [ 6366.165254][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.165254][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.165254][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.165254][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.165254][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.165254][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.165254][ T3767] [ 6366.167828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6366.167828][ T3767] netdev_get_by_index+0x5e/0x80 [ 6366.167828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6366.167828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6366.167828][ T3767] ip6_route_add+0x1c/0x140 [ 6366.167828][ T3767] addrconf_add_mroute+0x129/0x180 [ 6366.167828][ T3767] addrconf_add_dev+0xe2/0x170 [ 6366.167828][ T3767] inet6_addr_add+0x12f/0xa40 [ 6366.167828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6366.167828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.167828][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.167828][ T3767] netlink_unicast+0x449/0x710 [ 6366.167828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.167828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.167828][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.167828][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.167828][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.167828][ T3767] [ 6366.169995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6366.169995][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6366.169995][ T3767] ipv6_find_idev+0x102/0x170 [ 6366.169995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6366.169995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.169995][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.169995][ T3767] netlink_unicast+0x449/0x710 [ 6366.169995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.169995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.169995][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.169995][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.169995][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.169995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.169995][ T3767] [ 6366.171689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6366.171689][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6366.171689][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6366.171689][ T3767] ipv6_find_idev+0x102/0x170 [ 6366.171689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6366.171689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6366.171689][ T3767] netlink_rcv_skb+0x130/0x360 [ 6366.171689][ T3767] netlink_unicast+0x449/0x710 [ 6366.171689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6366.171689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6366.171689][ T3767] ___sys_sendmsg+0xee/0x170 [ 6366.171689][ T3767] __sys_sendmsg+0xcd/0x170 [ 6366.171689][ T3767] do_syscall_64+0xc6/0x1e0 [ 6366.171689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6366.171689][ T3767] [ 6376.423965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6376.424432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6376.424432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6376.424432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6376.424432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6376.424432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6376.424432][ T3767] ip6_route_add+0x1c/0x140 [ 6376.424432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6376.424432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.424432][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.424432][ T3767] netlink_unicast+0x449/0x710 [ 6376.424432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.424432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.424432][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.424432][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.424432][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.424432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.424432][ T3767] [ 6376.426542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6376.426542][ T3767] netdev_get_by_index+0x5e/0x80 [ 6376.426542][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6376.426542][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6376.426542][ T3767] ip6_route_add+0x1c/0x140 [ 6376.426542][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6376.426542][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6376.426542][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6376.426542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.426542][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.426542][ T3767] netlink_unicast+0x449/0x710 [ 6376.426542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.426542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.426542][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.426542][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.426542][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.426542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.426542][ T3767] [ 6376.428745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6376.428745][ T3767] netdev_get_by_index+0x5e/0x80 [ 6376.428745][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6376.428745][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6376.428745][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6376.428745][ T3767] ipv6_add_addr+0x411/0x2000 [ 6376.428745][ T3767] inet6_addr_add+0x30e/0xa40 [ 6376.428745][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6376.428745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.428745][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.428745][ T3767] netlink_unicast+0x449/0x710 [ 6376.428745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.428745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.428745][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.428745][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.428745][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.428745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.428745][ T3767] [ 6376.430930][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6376.430930][ T3767] netdev_get_by_index+0x5e/0x80 [ 6376.430930][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6376.430930][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6376.430930][ T3767] ip6_route_add+0x1c/0x140 [ 6376.430930][ T3767] addrconf_add_mroute+0x129/0x180 [ 6376.430930][ T3767] addrconf_add_dev+0xe2/0x170 [ 6376.430930][ T3767] inet6_addr_add+0x12f/0xa40 [ 6376.430930][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6376.430930][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.430930][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.430930][ T3767] netlink_unicast+0x449/0x710 [ 6376.430930][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.430930][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.430930][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.430930][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.430930][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.430930][ T3767] [ 6376.433083][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6376.433083][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6376.433083][ T3767] ipv6_find_idev+0x102/0x170 [ 6376.433083][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6376.433083][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.433083][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.433083][ T3767] netlink_unicast+0x449/0x710 [ 6376.433083][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.433083][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.433083][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.433083][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.433083][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.433083][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.433083][ T3767] [ 6376.434766][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6376.434766][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6376.434766][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6376.434766][ T3767] ipv6_find_idev+0x102/0x170 [ 6376.434766][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6376.434766][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6376.434766][ T3767] netlink_rcv_skb+0x130/0x360 [ 6376.434766][ T3767] netlink_unicast+0x449/0x710 [ 6376.434766][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6376.434766][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6376.434766][ T3767] ___sys_sendmsg+0xee/0x170 [ 6376.434766][ T3767] __sys_sendmsg+0xcd/0x170 [ 6376.434766][ T3767] do_syscall_64+0xc6/0x1e0 [ 6376.434766][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6376.434766][ T3767] [ 6386.687955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6386.688365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6386.688365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6386.688365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6386.688365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6386.688365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6386.688365][ T3767] ip6_route_add+0x1c/0x140 [ 6386.688365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6386.688365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.688365][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.688365][ T3767] netlink_unicast+0x449/0x710 [ 6386.688365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.688365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.688365][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.688365][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.688365][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.688365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6386.688365][ T3767] [ 6386.690452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6386.690452][ T3767] netdev_get_by_index+0x5e/0x80 [ 6386.690452][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6386.690452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6386.690452][ T3767] ip6_route_add+0x1c/0x140 [ 6386.690452][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6386.690452][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6386.690452][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6386.690452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.690452][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.690452][ T3767] netlink_unicast+0x449/0x710 [ 6386.690452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.690452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.690452][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.690452][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.690452][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.690452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6386.690452][ T3767] [ 6386.692650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6386.692650][ T3767] netdev_get_by_index+0x5e/0x80 [ 6386.692650][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6386.692650][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6386.692650][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6386.692650][ T3767] ipv6_add_addr+0x411/0x2000 [ 6386.692650][ T3767] inet6_addr_add+0x30e/0xa40 [ 6386.692650][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6386.692650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.692650][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.692650][ T3767] netlink_unicast+0x449/0x710 [ 6386.692650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.692650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.692650][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.692650][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.692650][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.692650][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6386.692650][ T3767] [ 6386.694837][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6386.694837][ T3767] netdev_get_by_index+0x5e/0x80 [ 6386.694837][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6386.694837][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6386.694837][ T3767] ip6_route_add+0x1c/0x140 [ 6386.694837][ T3767] addrconf_add_mroute+0x129/0x180 [ 6386.694837][ T3767] addrconf_add_dev+0xe2/0x170 [ 6386.694837][ T3767] inet6_addr_add+0x12f/0xa40 [ 6386.694837][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6386.694837][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.694837][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.694837][ T3767] netlink_unicast+0x449/0x710 [ 6386.694837][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.694837][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.694837][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.694837][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.694837][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.694837][ T3767] [ 6386.696996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6386.696996][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6386.696996][ T3767] ipv6_find_idev+0x102/0x170 [ 6386.696996][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6386.696996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.696996][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.696996][ T3767] netlink_unicast+0x449/0x710 [ 6386.696996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.696996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.696996][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.696996][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.696996][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.696996][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6386.696996][ T3767] [ 6386.698682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6386.698682][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6386.698682][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6386.698682][ T3767] ipv6_find_idev+0x102/0x170 [ 6386.698682][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6386.698682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6386.698682][ T3767] netlink_rcv_skb+0x130/0x360 [ 6386.698682][ T3767] netlink_unicast+0x449/0x710 [ 6386.698682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6386.698682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6386.698682][ T3767] ___sys_sendmsg+0xee/0x170 [ 6386.698682][ T3767] __sys_sendmsg+0xcd/0x170 [ 6386.698682][ T3767] do_syscall_64+0xc6/0x1e0 [ 6386.698682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6386.698682][ T3767] [ 6396.863952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6396.864487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6396.864487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6396.864487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6396.864487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6396.864487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6396.864487][ T3767] ip6_route_add+0x1c/0x140 [ 6396.864487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6396.864487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.864487][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.864487][ T3767] netlink_unicast+0x449/0x710 [ 6396.864487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.864487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.864487][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.864487][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.864487][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.864487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.864487][ T3767] [ 6396.866834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6396.866834][ T3767] netdev_get_by_index+0x5e/0x80 [ 6396.866834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6396.866834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6396.866834][ T3767] ip6_route_add+0x1c/0x140 [ 6396.866834][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6396.866834][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6396.866834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.866834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.866834][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.866834][ T3767] netlink_unicast+0x449/0x710 [ 6396.866834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.866834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.866834][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.866834][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.866834][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.866834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.866834][ T3767] [ 6396.869288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6396.869288][ T3767] netdev_get_by_index+0x5e/0x80 [ 6396.869288][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6396.869288][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6396.869288][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6396.869288][ T3767] ipv6_add_addr+0x411/0x2000 [ 6396.869288][ T3767] inet6_addr_add+0x30e/0xa40 [ 6396.869288][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.869288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.869288][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.869288][ T3767] netlink_unicast+0x449/0x710 [ 6396.869288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.869288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.869288][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.869288][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.869288][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.869288][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.869288][ T3767] [ 6396.871739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6396.871739][ T3767] netdev_get_by_index+0x5e/0x80 [ 6396.871739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6396.871739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6396.871739][ T3767] ip6_route_add+0x1c/0x140 [ 6396.871739][ T3767] addrconf_add_mroute+0x129/0x180 [ 6396.871739][ T3767] addrconf_add_dev+0xe2/0x170 [ 6396.871739][ T3767] inet6_addr_add+0x12f/0xa40 [ 6396.871739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6396.871739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.871739][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.871739][ T3767] netlink_unicast+0x449/0x710 [ 6396.871739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.871739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.871739][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.871739][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.871739][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.871739][ T3767] [ 6396.874143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6396.874143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6396.874143][ T3767] ipv6_find_idev+0x102/0x170 [ 6396.874143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.874143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.874143][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.874143][ T3767] netlink_unicast+0x449/0x710 [ 6396.874143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.874143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.874143][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.874143][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.874143][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.874143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.874143][ T3767] [ 6396.876030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6396.876030][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6396.876030][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6396.876030][ T3767] ipv6_find_idev+0x102/0x170 [ 6396.876030][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6396.876030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6396.876030][ T3767] netlink_rcv_skb+0x130/0x360 [ 6396.876030][ T3767] netlink_unicast+0x449/0x710 [ 6396.876030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6396.876030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6396.876030][ T3767] ___sys_sendmsg+0xee/0x170 [ 6396.876030][ T3767] __sys_sendmsg+0xcd/0x170 [ 6396.876030][ T3767] do_syscall_64+0xc6/0x1e0 [ 6396.876030][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6396.876030][ T3767] [ 6407.119940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6407.120473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6407.120473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6407.120473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6407.120473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6407.120473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6407.120473][ T3767] ip6_route_add+0x1c/0x140 [ 6407.120473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6407.120473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.120473][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.120473][ T3767] netlink_unicast+0x449/0x710 [ 6407.120473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.120473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.120473][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.120473][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.120473][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.120473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.120473][ T3767] [ 6407.122787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6407.122787][ T3767] netdev_get_by_index+0x5e/0x80 [ 6407.122787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6407.122787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6407.122787][ T3767] ip6_route_add+0x1c/0x140 [ 6407.122787][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6407.122787][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6407.122787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6407.122787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.122787][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.122787][ T3767] netlink_unicast+0x449/0x710 [ 6407.122787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.122787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.122787][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.122787][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.122787][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.122787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.122787][ T3767] [ 6407.125239][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6407.125239][ T3767] netdev_get_by_index+0x5e/0x80 [ 6407.125239][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6407.125239][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6407.125239][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6407.125239][ T3767] ipv6_add_addr+0x411/0x2000 [ 6407.125239][ T3767] inet6_addr_add+0x30e/0xa40 [ 6407.125239][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6407.125239][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.125239][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.125239][ T3767] netlink_unicast+0x449/0x710 [ 6407.125239][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.125239][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.125239][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.125239][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.125239][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.125239][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.125239][ T3767] [ 6407.127683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6407.127683][ T3767] netdev_get_by_index+0x5e/0x80 [ 6407.127683][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6407.127683][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6407.127683][ T3767] ip6_route_add+0x1c/0x140 [ 6407.127683][ T3767] addrconf_add_mroute+0x129/0x180 [ 6407.127683][ T3767] addrconf_add_dev+0xe2/0x170 [ 6407.127683][ T3767] inet6_addr_add+0x12f/0xa40 [ 6407.127683][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6407.127683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.127683][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.127683][ T3767] netlink_unicast+0x449/0x710 [ 6407.127683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.127683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.127683][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.127683][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.127683][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.127683][ T3767] [ 6407.130095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6407.130095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6407.130095][ T3767] ipv6_find_idev+0x102/0x170 [ 6407.130095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6407.130095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.130095][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.130095][ T3767] netlink_unicast+0x449/0x710 [ 6407.130095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.130095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.130095][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.130095][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.130095][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.130095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.130095][ T3767] [ 6407.131973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6407.131973][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6407.131973][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6407.131973][ T3767] ipv6_find_idev+0x102/0x170 [ 6407.131973][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6407.131973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6407.131973][ T3767] netlink_rcv_skb+0x130/0x360 [ 6407.131973][ T3767] netlink_unicast+0x449/0x710 [ 6407.131973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6407.131973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6407.131973][ T3767] ___sys_sendmsg+0xee/0x170 [ 6407.131973][ T3767] __sys_sendmsg+0xcd/0x170 [ 6407.131973][ T3767] do_syscall_64+0xc6/0x1e0 [ 6407.131973][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6407.131973][ T3767] [ 6417.375964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6417.376486][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6417.376486][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6417.376486][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6417.376486][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6417.376486][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6417.376486][ T3767] ip6_route_add+0x1c/0x140 [ 6417.376486][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6417.376486][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.376486][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.376486][ T3767] netlink_unicast+0x449/0x710 [ 6417.376486][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.376486][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.376486][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.376486][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.376486][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.376486][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.376486][ T3767] [ 6417.378799][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6417.378799][ T3767] netdev_get_by_index+0x5e/0x80 [ 6417.378799][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6417.378799][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6417.378799][ T3767] ip6_route_add+0x1c/0x140 [ 6417.378799][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6417.378799][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6417.378799][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6417.378799][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.378799][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.378799][ T3767] netlink_unicast+0x449/0x710 [ 6417.378799][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.378799][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.378799][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.378799][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.378799][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.378799][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.378799][ T3767] [ 6417.381255][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6417.381255][ T3767] netdev_get_by_index+0x5e/0x80 [ 6417.381255][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6417.381255][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6417.381255][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6417.381255][ T3767] ipv6_add_addr+0x411/0x2000 [ 6417.381255][ T3767] inet6_addr_add+0x30e/0xa40 [ 6417.381255][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6417.381255][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.381255][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.381255][ T3767] netlink_unicast+0x449/0x710 [ 6417.381255][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.381255][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.381255][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.381255][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.381255][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.381255][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.381255][ T3767] [ 6417.383703][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6417.383703][ T3767] netdev_get_by_index+0x5e/0x80 [ 6417.383703][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6417.383703][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6417.383703][ T3767] ip6_route_add+0x1c/0x140 [ 6417.383703][ T3767] addrconf_add_mroute+0x129/0x180 [ 6417.383703][ T3767] addrconf_add_dev+0xe2/0x170 [ 6417.383703][ T3767] inet6_addr_add+0x12f/0xa40 [ 6417.383703][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6417.383703][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.383703][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.383703][ T3767] netlink_unicast+0x449/0x710 [ 6417.383703][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.383703][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.383703][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.383703][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.383703][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.383703][ T3767] [ 6417.386111][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6417.386111][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6417.386111][ T3767] ipv6_find_idev+0x102/0x170 [ 6417.386111][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6417.386111][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.386111][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.386111][ T3767] netlink_unicast+0x449/0x710 [ 6417.386111][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.386111][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.386111][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.386111][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.386111][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.386111][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.386111][ T3767] [ 6417.388008][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6417.388008][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6417.388008][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6417.388008][ T3767] ipv6_find_idev+0x102/0x170 [ 6417.388008][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6417.388008][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6417.388008][ T3767] netlink_rcv_skb+0x130/0x360 [ 6417.388008][ T3767] netlink_unicast+0x449/0x710 [ 6417.388008][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6417.388008][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6417.388008][ T3767] ___sys_sendmsg+0xee/0x170 [ 6417.388008][ T3767] __sys_sendmsg+0xcd/0x170 [ 6417.388008][ T3767] do_syscall_64+0xc6/0x1e0 [ 6417.388008][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6417.388008][ T3767] [ 6427.631955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6427.632500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6427.632500][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6427.632500][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6427.632500][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6427.632500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6427.632500][ T3767] ip6_route_add+0x1c/0x140 [ 6427.632500][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6427.632500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.632500][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.632500][ T3767] netlink_unicast+0x449/0x710 [ 6427.632500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.632500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.632500][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.632500][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.632500][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.632500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.632500][ T3767] [ 6427.634842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6427.634842][ T3767] netdev_get_by_index+0x5e/0x80 [ 6427.634842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6427.634842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6427.634842][ T3767] ip6_route_add+0x1c/0x140 [ 6427.634842][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6427.634842][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6427.634842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.634842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.634842][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.634842][ T3767] netlink_unicast+0x449/0x710 [ 6427.634842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.634842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.634842][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.634842][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.634842][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.634842][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.634842][ T3767] [ 6427.637299][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6427.637299][ T3767] netdev_get_by_index+0x5e/0x80 [ 6427.637299][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6427.637299][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6427.637299][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6427.637299][ T3767] ipv6_add_addr+0x411/0x2000 [ 6427.637299][ T3767] inet6_addr_add+0x30e/0xa40 [ 6427.637299][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.637299][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.637299][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.637299][ T3767] netlink_unicast+0x449/0x710 [ 6427.637299][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.637299][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.637299][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.637299][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.637299][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.637299][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.637299][ T3767] [ 6427.639753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6427.639753][ T3767] netdev_get_by_index+0x5e/0x80 [ 6427.639753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6427.639753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6427.639753][ T3767] ip6_route_add+0x1c/0x140 [ 6427.639753][ T3767] addrconf_add_mroute+0x129/0x180 [ 6427.639753][ T3767] addrconf_add_dev+0xe2/0x170 [ 6427.639753][ T3767] inet6_addr_add+0x12f/0xa40 [ 6427.639753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6427.639753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.639753][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.639753][ T3767] netlink_unicast+0x449/0x710 [ 6427.639753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.639753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.639753][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.639753][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.639753][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.639753][ T3767] [ 6427.642149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6427.642149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6427.642149][ T3767] ipv6_find_idev+0x102/0x170 [ 6427.642149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.642149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.642149][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.642149][ T3767] netlink_unicast+0x449/0x710 [ 6427.642149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.642149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.642149][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.642149][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.642149][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.642149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.642149][ T3767] [ 6427.644029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6427.644029][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6427.644029][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6427.644029][ T3767] ipv6_find_idev+0x102/0x170 [ 6427.644029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6427.644029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6427.644029][ T3767] netlink_rcv_skb+0x130/0x360 [ 6427.644029][ T3767] netlink_unicast+0x449/0x710 [ 6427.644029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6427.644029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6427.644029][ T3767] ___sys_sendmsg+0xee/0x170 [ 6427.644029][ T3767] __sys_sendmsg+0xcd/0x170 [ 6427.644029][ T3767] do_syscall_64+0xc6/0x1e0 [ 6427.644029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6427.644029][ T3767] [ 6437.887947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6437.888473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6437.888473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6437.888473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6437.888473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6437.888473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6437.888473][ T3767] ip6_route_add+0x1c/0x140 [ 6437.888473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6437.888473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.888473][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.888473][ T3767] netlink_unicast+0x449/0x710 [ 6437.888473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.888473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.888473][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.888473][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.888473][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.888473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.888473][ T3767] [ 6437.890815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6437.890815][ T3767] netdev_get_by_index+0x5e/0x80 [ 6437.890815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6437.890815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6437.890815][ T3767] ip6_route_add+0x1c/0x140 [ 6437.890815][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6437.890815][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6437.890815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.890815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.890815][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.890815][ T3767] netlink_unicast+0x449/0x710 [ 6437.890815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.890815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.890815][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.890815][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.890815][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.890815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.890815][ T3767] [ 6437.893270][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6437.893270][ T3767] netdev_get_by_index+0x5e/0x80 [ 6437.893270][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6437.893270][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6437.893270][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6437.893270][ T3767] ipv6_add_addr+0x411/0x2000 [ 6437.893270][ T3767] inet6_addr_add+0x30e/0xa40 [ 6437.893270][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.893270][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.893270][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.893270][ T3767] netlink_unicast+0x449/0x710 [ 6437.893270][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.893270][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.893270][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.893270][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.893270][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.893270][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.893270][ T3767] [ 6437.895709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6437.895709][ T3767] netdev_get_by_index+0x5e/0x80 [ 6437.895709][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6437.895709][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6437.895709][ T3767] ip6_route_add+0x1c/0x140 [ 6437.895709][ T3767] addrconf_add_mroute+0x129/0x180 [ 6437.895709][ T3767] addrconf_add_dev+0xe2/0x170 [ 6437.895709][ T3767] inet6_addr_add+0x12f/0xa40 [ 6437.895709][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6437.895709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.895709][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.895709][ T3767] netlink_unicast+0x449/0x710 [ 6437.895709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.895709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.895709][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.895709][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.895709][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.895709][ T3767] [ 6437.898116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6437.898116][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6437.898116][ T3767] ipv6_find_idev+0x102/0x170 [ 6437.898116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.898116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.898116][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.898116][ T3767] netlink_unicast+0x449/0x710 [ 6437.898116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.898116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.898116][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.898116][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.898116][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.898116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.898116][ T3767] [ 6437.899997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6437.899997][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6437.899997][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6437.899997][ T3767] ipv6_find_idev+0x102/0x170 [ 6437.899997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6437.899997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6437.899997][ T3767] netlink_rcv_skb+0x130/0x360 [ 6437.899997][ T3767] netlink_unicast+0x449/0x710 [ 6437.899997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6437.899997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6437.899997][ T3767] ___sys_sendmsg+0xee/0x170 [ 6437.899997][ T3767] __sys_sendmsg+0xcd/0x170 [ 6437.899997][ T3767] do_syscall_64+0xc6/0x1e0 [ 6437.899997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6437.899997][ T3767] [ 6448.143942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6448.144431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6448.144431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6448.144431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6448.144431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6448.144431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6448.144431][ T3767] ip6_route_add+0x1c/0x140 [ 6448.144431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6448.144431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.144431][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.144431][ T3767] netlink_unicast+0x449/0x710 [ 6448.144431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.144431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.144431][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.144431][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.144431][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.144431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.144431][ T3767] [ 6448.146553][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6448.146553][ T3767] netdev_get_by_index+0x5e/0x80 [ 6448.146553][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6448.146553][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6448.146553][ T3767] ip6_route_add+0x1c/0x140 [ 6448.146553][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6448.146553][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6448.146553][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6448.146553][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.146553][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.146553][ T3767] netlink_unicast+0x449/0x710 [ 6448.146553][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.146553][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.146553][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.146553][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.146553][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.146553][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.146553][ T3767] [ 6448.148746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6448.148746][ T3767] netdev_get_by_index+0x5e/0x80 [ 6448.148746][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6448.148746][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6448.148746][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6448.148746][ T3767] ipv6_add_addr+0x411/0x2000 [ 6448.148746][ T3767] inet6_addr_add+0x30e/0xa40 [ 6448.148746][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6448.148746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.148746][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.148746][ T3767] netlink_unicast+0x449/0x710 [ 6448.148746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.148746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.148746][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.148746][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.148746][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.148746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.148746][ T3767] [ 6448.150925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6448.150925][ T3767] netdev_get_by_index+0x5e/0x80 [ 6448.150925][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6448.150925][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6448.150925][ T3767] ip6_route_add+0x1c/0x140 [ 6448.150925][ T3767] addrconf_add_mroute+0x129/0x180 [ 6448.150925][ T3767] addrconf_add_dev+0xe2/0x170 [ 6448.150925][ T3767] inet6_addr_add+0x12f/0xa40 [ 6448.150925][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6448.150925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.150925][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.150925][ T3767] netlink_unicast+0x449/0x710 [ 6448.150925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.150925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.150925][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.150925][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.150925][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.150925][ T3767] [ 6448.153091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6448.153091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6448.153091][ T3767] ipv6_find_idev+0x102/0x170 [ 6448.153091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6448.153091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.153091][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.153091][ T3767] netlink_unicast+0x449/0x710 [ 6448.153091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.153091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.153091][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.153091][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.153091][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.153091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.153091][ T3767] [ 6448.154776][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6448.154776][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6448.154776][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6448.154776][ T3767] ipv6_find_idev+0x102/0x170 [ 6448.154776][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6448.154776][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6448.154776][ T3767] netlink_rcv_skb+0x130/0x360 [ 6448.154776][ T3767] netlink_unicast+0x449/0x710 [ 6448.154776][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6448.154776][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6448.154776][ T3767] ___sys_sendmsg+0xee/0x170 [ 6448.154776][ T3767] __sys_sendmsg+0xcd/0x170 [ 6448.154776][ T3767] do_syscall_64+0xc6/0x1e0 [ 6448.154776][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6448.154776][ T3767] [ 6458.391941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6458.392453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6458.392453][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6458.392453][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6458.392453][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6458.392453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6458.392453][ T3767] ip6_route_add+0x1c/0x140 [ 6458.392453][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6458.392453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.392453][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.392453][ T3767] netlink_unicast+0x449/0x710 [ 6458.392453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.392453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.392453][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.392453][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.392453][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.392453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.392453][ T3767] [ 6458.394782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6458.394782][ T3767] netdev_get_by_index+0x5e/0x80 [ 6458.394782][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6458.394782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6458.394782][ T3767] ip6_route_add+0x1c/0x140 [ 6458.394782][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6458.394782][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6458.394782][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6458.394782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.394782][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.394782][ T3767] netlink_unicast+0x449/0x710 [ 6458.394782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.394782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.394782][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.394782][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.394782][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.394782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.394782][ T3767] [ 6458.397258][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6458.397258][ T3767] netdev_get_by_index+0x5e/0x80 [ 6458.397258][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6458.397258][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6458.397258][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6458.397258][ T3767] ipv6_add_addr+0x411/0x2000 [ 6458.397258][ T3767] inet6_addr_add+0x30e/0xa40 [ 6458.397258][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6458.397258][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.397258][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.397258][ T3767] netlink_unicast+0x449/0x710 [ 6458.397258][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.397258][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.397258][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.397258][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.397258][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.397258][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.397258][ T3767] [ 6458.399706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6458.399706][ T3767] netdev_get_by_index+0x5e/0x80 [ 6458.399706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6458.399706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6458.399706][ T3767] ip6_route_add+0x1c/0x140 [ 6458.399706][ T3767] addrconf_add_mroute+0x129/0x180 [ 6458.399706][ T3767] addrconf_add_dev+0xe2/0x170 [ 6458.399706][ T3767] inet6_addr_add+0x12f/0xa40 [ 6458.399706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6458.399706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.399706][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.399706][ T3767] netlink_unicast+0x449/0x710 [ 6458.399706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.399706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.399706][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.399706][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.399706][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.399706][ T3767] [ 6458.402123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6458.402123][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6458.402123][ T3767] ipv6_find_idev+0x102/0x170 [ 6458.402123][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6458.402123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.402123][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.402123][ T3767] netlink_unicast+0x449/0x710 [ 6458.402123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.402123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.402123][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.402123][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.402123][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.402123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.402123][ T3767] [ 6458.404004][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6458.404004][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6458.404004][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6458.404004][ T3767] ipv6_find_idev+0x102/0x170 [ 6458.404004][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6458.404004][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6458.404004][ T3767] netlink_rcv_skb+0x130/0x360 [ 6458.404004][ T3767] netlink_unicast+0x449/0x710 [ 6458.404004][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6458.404004][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6458.404004][ T3767] ___sys_sendmsg+0xee/0x170 [ 6458.404004][ T3767] __sys_sendmsg+0xcd/0x170 [ 6458.404004][ T3767] do_syscall_64+0xc6/0x1e0 [ 6458.404004][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6458.404004][ T3767] [ 6468.424007][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6468.424530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6468.424530][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6468.424530][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6468.424530][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6468.424530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6468.424530][ T3767] ip6_route_add+0x1c/0x140 [ 6468.424530][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6468.424530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.424530][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.424530][ T3767] netlink_unicast+0x449/0x710 [ 6468.424530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.424530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.424530][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.424530][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.424530][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.424530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.424530][ T3767] [ 6468.426873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6468.426873][ T3767] netdev_get_by_index+0x5e/0x80 [ 6468.426873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6468.426873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6468.426873][ T3767] ip6_route_add+0x1c/0x140 [ 6468.426873][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6468.426873][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6468.426873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.426873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.426873][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.426873][ T3767] netlink_unicast+0x449/0x710 [ 6468.426873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.426873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.426873][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.426873][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.426873][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.426873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.426873][ T3767] [ 6468.429326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6468.429326][ T3767] netdev_get_by_index+0x5e/0x80 [ 6468.429326][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6468.429326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6468.429326][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6468.429326][ T3767] ipv6_add_addr+0x411/0x2000 [ 6468.429326][ T3767] inet6_addr_add+0x30e/0xa40 [ 6468.429326][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.429326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.429326][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.429326][ T3767] netlink_unicast+0x449/0x710 [ 6468.429326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.429326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.429326][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.429326][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.429326][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.429326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.429326][ T3767] [ 6468.431774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6468.431774][ T3767] netdev_get_by_index+0x5e/0x80 [ 6468.431774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6468.431774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6468.431774][ T3767] ip6_route_add+0x1c/0x140 [ 6468.431774][ T3767] addrconf_add_mroute+0x129/0x180 [ 6468.431774][ T3767] addrconf_add_dev+0xe2/0x170 [ 6468.431774][ T3767] inet6_addr_add+0x12f/0xa40 [ 6468.431774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6468.431774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.431774][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.431774][ T3767] netlink_unicast+0x449/0x710 [ 6468.431774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.431774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.431774][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.431774][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.431774][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.431774][ T3767] [ 6468.434188][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6468.434188][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6468.434188][ T3767] ipv6_find_idev+0x102/0x170 [ 6468.434188][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.434188][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.434188][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.434188][ T3767] netlink_unicast+0x449/0x710 [ 6468.434188][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.434188][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.434188][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.434188][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.434188][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.434188][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.434188][ T3767] [ 6468.436078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6468.436078][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6468.436078][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6468.436078][ T3767] ipv6_find_idev+0x102/0x170 [ 6468.436078][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6468.436078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6468.436078][ T3767] netlink_rcv_skb+0x130/0x360 [ 6468.436078][ T3767] netlink_unicast+0x449/0x710 [ 6468.436078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6468.436078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6468.436078][ T3767] ___sys_sendmsg+0xee/0x170 [ 6468.436078][ T3767] __sys_sendmsg+0xcd/0x170 [ 6468.436078][ T3767] do_syscall_64+0xc6/0x1e0 [ 6468.436078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6468.436078][ T3767] [ 6478.680013][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6478.680536][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6478.680536][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6478.680536][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6478.680536][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6478.680536][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6478.680536][ T3767] ip6_route_add+0x1c/0x140 [ 6478.680536][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6478.680536][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.680536][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.680536][ T3767] netlink_unicast+0x449/0x710 [ 6478.680536][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.680536][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.680536][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.680536][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.680536][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.680536][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.680536][ T3767] [ 6478.682863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6478.682863][ T3767] netdev_get_by_index+0x5e/0x80 [ 6478.682863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6478.682863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6478.682863][ T3767] ip6_route_add+0x1c/0x140 [ 6478.682863][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6478.682863][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6478.682863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.682863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.682863][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.682863][ T3767] netlink_unicast+0x449/0x710 [ 6478.682863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.682863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.682863][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.682863][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.682863][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.682863][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.682863][ T3767] [ 6478.685327][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6478.685327][ T3767] netdev_get_by_index+0x5e/0x80 [ 6478.685327][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6478.685327][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6478.685327][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6478.685327][ T3767] ipv6_add_addr+0x411/0x2000 [ 6478.685327][ T3767] inet6_addr_add+0x30e/0xa40 [ 6478.685327][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.685327][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.685327][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.685327][ T3767] netlink_unicast+0x449/0x710 [ 6478.685327][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.685327][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.685327][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.685327][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.685327][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.685327][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.685327][ T3767] [ 6478.687778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6478.687778][ T3767] netdev_get_by_index+0x5e/0x80 [ 6478.687778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6478.687778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6478.687778][ T3767] ip6_route_add+0x1c/0x140 [ 6478.687778][ T3767] addrconf_add_mroute+0x129/0x180 [ 6478.687778][ T3767] addrconf_add_dev+0xe2/0x170 [ 6478.687778][ T3767] inet6_addr_add+0x12f/0xa40 [ 6478.687778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6478.687778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.687778][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.687778][ T3767] netlink_unicast+0x449/0x710 [ 6478.687778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.687778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.687778][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.687778][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.687778][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.687778][ T3767] [ 6478.690177][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6478.690177][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6478.690177][ T3767] ipv6_find_idev+0x102/0x170 [ 6478.690177][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.690177][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.690177][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.690177][ T3767] netlink_unicast+0x449/0x710 [ 6478.690177][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.690177][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.690177][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.690177][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.690177][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.690177][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.690177][ T3767] [ 6478.692097][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6478.692097][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6478.692097][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6478.692097][ T3767] ipv6_find_idev+0x102/0x170 [ 6478.692097][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6478.692097][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6478.692097][ T3767] netlink_rcv_skb+0x130/0x360 [ 6478.692097][ T3767] netlink_unicast+0x449/0x710 [ 6478.692097][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6478.692097][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6478.692097][ T3767] ___sys_sendmsg+0xee/0x170 [ 6478.692097][ T3767] __sys_sendmsg+0xcd/0x170 [ 6478.692097][ T3767] do_syscall_64+0xc6/0x1e0 [ 6478.692097][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6478.692097][ T3767] [ 6488.935945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6488.936501][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6488.936501][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6488.936501][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6488.936501][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6488.936501][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6488.936501][ T3767] ip6_route_add+0x1c/0x140 [ 6488.936501][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6488.936501][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.936501][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.936501][ T3767] netlink_unicast+0x449/0x710 [ 6488.936501][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.936501][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.936501][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.936501][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.936501][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.936501][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.936501][ T3767] [ 6488.938817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6488.938817][ T3767] netdev_get_by_index+0x5e/0x80 [ 6488.938817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6488.938817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6488.938817][ T3767] ip6_route_add+0x1c/0x140 [ 6488.938817][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6488.938817][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6488.938817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.938817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.938817][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.938817][ T3767] netlink_unicast+0x449/0x710 [ 6488.938817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.938817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.938817][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.938817][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.938817][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.938817][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.938817][ T3767] [ 6488.941272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6488.941272][ T3767] netdev_get_by_index+0x5e/0x80 [ 6488.941272][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6488.941272][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6488.941272][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6488.941272][ T3767] ipv6_add_addr+0x411/0x2000 [ 6488.941272][ T3767] inet6_addr_add+0x30e/0xa40 [ 6488.941272][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.941272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.941272][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.941272][ T3767] netlink_unicast+0x449/0x710 [ 6488.941272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.941272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.941272][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.941272][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.941272][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.941272][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.941272][ T3767] [ 6488.943724][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6488.943724][ T3767] netdev_get_by_index+0x5e/0x80 [ 6488.943724][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6488.943724][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6488.943724][ T3767] ip6_route_add+0x1c/0x140 [ 6488.943724][ T3767] addrconf_add_mroute+0x129/0x180 [ 6488.943724][ T3767] addrconf_add_dev+0xe2/0x170 [ 6488.943724][ T3767] inet6_addr_add+0x12f/0xa40 [ 6488.943724][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6488.943724][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.943724][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.943724][ T3767] netlink_unicast+0x449/0x710 [ 6488.943724][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.943724][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.943724][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.943724][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.943724][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.943724][ T3767] [ 6488.946145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6488.946145][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6488.946145][ T3767] ipv6_find_idev+0x102/0x170 [ 6488.946145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.946145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.946145][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.946145][ T3767] netlink_unicast+0x449/0x710 [ 6488.946145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.946145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.946145][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.946145][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.946145][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.946145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.946145][ T3767] [ 6488.948010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6488.948010][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6488.948010][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6488.948010][ T3767] ipv6_find_idev+0x102/0x170 [ 6488.948010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6488.948010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6488.948010][ T3767] netlink_rcv_skb+0x130/0x360 [ 6488.948010][ T3767] netlink_unicast+0x449/0x710 [ 6488.948010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6488.948010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6488.948010][ T3767] ___sys_sendmsg+0xee/0x170 [ 6488.948010][ T3767] __sys_sendmsg+0xcd/0x170 [ 6488.948010][ T3767] do_syscall_64+0xc6/0x1e0 [ 6488.948010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6488.948010][ T3767] [ 6499.095946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6499.096494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6499.096494][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6499.096494][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6499.096494][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6499.096494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6499.096494][ T3767] ip6_route_add+0x1c/0x140 [ 6499.096494][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6499.096494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.096494][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.096494][ T3767] netlink_unicast+0x449/0x710 [ 6499.096494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.096494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.096494][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.096494][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.096494][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.096494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.096494][ T3767] [ 6499.098842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6499.098842][ T3767] netdev_get_by_index+0x5e/0x80 [ 6499.098842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6499.098842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6499.098842][ T3767] ip6_route_add+0x1c/0x140 [ 6499.098842][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6499.098842][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6499.098842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6499.098842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.098842][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.098842][ T3767] netlink_unicast+0x449/0x710 [ 6499.098842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.098842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.098842][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.098842][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.098842][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.098842][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.098842][ T3767] [ 6499.101292][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6499.101292][ T3767] netdev_get_by_index+0x5e/0x80 [ 6499.101292][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6499.101292][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6499.101292][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6499.101292][ T3767] ipv6_add_addr+0x411/0x2000 [ 6499.101292][ T3767] inet6_addr_add+0x30e/0xa40 [ 6499.101292][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6499.101292][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.101292][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.101292][ T3767] netlink_unicast+0x449/0x710 [ 6499.101292][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.101292][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.101292][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.101292][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.101292][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.101292][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.101292][ T3767] [ 6499.103756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6499.103756][ T3767] netdev_get_by_index+0x5e/0x80 [ 6499.103756][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6499.103756][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6499.103756][ T3767] ip6_route_add+0x1c/0x140 [ 6499.103756][ T3767] addrconf_add_mroute+0x129/0x180 [ 6499.103756][ T3767] addrconf_add_dev+0xe2/0x170 [ 6499.103756][ T3767] inet6_addr_add+0x12f/0xa40 [ 6499.103756][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6499.103756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.103756][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.103756][ T3767] netlink_unicast+0x449/0x710 [ 6499.103756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.103756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.103756][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.103756][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.103756][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.103756][ T3767] [ 6499.106164][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6499.106164][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6499.106164][ T3767] ipv6_find_idev+0x102/0x170 [ 6499.106164][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6499.106164][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.106164][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.106164][ T3767] netlink_unicast+0x449/0x710 [ 6499.106164][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.106164][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.106164][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.106164][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.106164][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.106164][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.106164][ T3767] [ 6499.108050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6499.108050][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6499.108050][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6499.108050][ T3767] ipv6_find_idev+0x102/0x170 [ 6499.108050][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6499.108050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6499.108050][ T3767] netlink_rcv_skb+0x130/0x360 [ 6499.108050][ T3767] netlink_unicast+0x449/0x710 [ 6499.108050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6499.108050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6499.108050][ T3767] ___sys_sendmsg+0xee/0x170 [ 6499.108050][ T3767] __sys_sendmsg+0xcd/0x170 [ 6499.108050][ T3767] do_syscall_64+0xc6/0x1e0 [ 6499.108050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6499.108050][ T3767] [ 6509.351934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6509.352452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6509.352452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6509.352452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6509.352452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6509.352452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6509.352452][ T3767] ip6_route_add+0x1c/0x140 [ 6509.352452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6509.352452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.352452][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.352452][ T3767] netlink_unicast+0x449/0x710 [ 6509.352452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.352452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.352452][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.352452][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.352452][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.352452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.352452][ T3767] [ 6509.354775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6509.354775][ T3767] netdev_get_by_index+0x5e/0x80 [ 6509.354775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6509.354775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6509.354775][ T3767] ip6_route_add+0x1c/0x140 [ 6509.354775][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6509.354775][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6509.354775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6509.354775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.354775][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.354775][ T3767] netlink_unicast+0x449/0x710 [ 6509.354775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.354775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.354775][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.354775][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.354775][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.354775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.354775][ T3767] [ 6509.357212][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6509.357212][ T3767] netdev_get_by_index+0x5e/0x80 [ 6509.357212][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6509.357212][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6509.357212][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6509.357212][ T3767] ipv6_add_addr+0x411/0x2000 [ 6509.357212][ T3767] inet6_addr_add+0x30e/0xa40 [ 6509.357212][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6509.357212][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.357212][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.357212][ T3767] netlink_unicast+0x449/0x710 [ 6509.357212][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.357212][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.357212][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.357212][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.357212][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.357212][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.357212][ T3767] [ 6509.360165][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6509.360165][ T3767] netdev_get_by_index+0x5e/0x80 [ 6509.360165][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6509.360165][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6509.360165][ T3767] ip6_route_add+0x1c/0x140 [ 6509.360165][ T3767] addrconf_add_mroute+0x129/0x180 [ 6509.360165][ T3767] addrconf_add_dev+0xe2/0x170 [ 6509.360165][ T3767] inet6_addr_add+0x12f/0xa40 [ 6509.360165][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6509.360165][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.360165][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.360165][ T3767] netlink_unicast+0x449/0x710 [ 6509.360165][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.360165][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.360165][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.360165][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.360165][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.360165][ T3767] [ 6509.362566][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6509.362566][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6509.362566][ T3767] ipv6_find_idev+0x102/0x170 [ 6509.362566][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6509.362566][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.362566][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.362566][ T3767] netlink_unicast+0x449/0x710 [ 6509.362566][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.362566][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.362566][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.362566][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.362566][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.362566][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.362566][ T3767] [ 6509.364438][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6509.364438][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6509.364438][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6509.364438][ T3767] ipv6_find_idev+0x102/0x170 [ 6509.364438][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6509.364438][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6509.364438][ T3767] netlink_rcv_skb+0x130/0x360 [ 6509.364438][ T3767] netlink_unicast+0x449/0x710 [ 6509.364438][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6509.364438][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6509.364438][ T3767] ___sys_sendmsg+0xee/0x170 [ 6509.364438][ T3767] __sys_sendmsg+0xcd/0x170 [ 6509.364438][ T3767] do_syscall_64+0xc6/0x1e0 [ 6509.364438][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6509.364438][ T3767] [ 6519.607947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6519.608411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6519.608411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6519.608411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6519.608411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6519.608411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6519.608411][ T3767] ip6_route_add+0x1c/0x140 [ 6519.608411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6519.608411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.608411][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.608411][ T3767] netlink_unicast+0x449/0x710 [ 6519.608411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.608411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.608411][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.608411][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.608411][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.608411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6519.608411][ T3767] [ 6519.610524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6519.610524][ T3767] netdev_get_by_index+0x5e/0x80 [ 6519.610524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6519.610524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6519.610524][ T3767] ip6_route_add+0x1c/0x140 [ 6519.610524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6519.610524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6519.610524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6519.610524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.610524][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.610524][ T3767] netlink_unicast+0x449/0x710 [ 6519.610524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.610524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.610524][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.610524][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.610524][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.610524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6519.610524][ T3767] [ 6519.612726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6519.612726][ T3767] netdev_get_by_index+0x5e/0x80 [ 6519.612726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6519.612726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6519.612726][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6519.612726][ T3767] ipv6_add_addr+0x411/0x2000 [ 6519.612726][ T3767] inet6_addr_add+0x30e/0xa40 [ 6519.612726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6519.612726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.612726][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.612726][ T3767] netlink_unicast+0x449/0x710 [ 6519.612726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.612726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.612726][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.612726][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.612726][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.612726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6519.612726][ T3767] [ 6519.614941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6519.614941][ T3767] netdev_get_by_index+0x5e/0x80 [ 6519.614941][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6519.614941][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6519.614941][ T3767] ip6_route_add+0x1c/0x140 [ 6519.614941][ T3767] addrconf_add_mroute+0x129/0x180 [ 6519.614941][ T3767] addrconf_add_dev+0xe2/0x170 [ 6519.614941][ T3767] inet6_addr_add+0x12f/0xa40 [ 6519.614941][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6519.614941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.614941][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.614941][ T3767] netlink_unicast+0x449/0x710 [ 6519.614941][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.614941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.614941][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.614941][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.614941][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.614941][ T3767] [ 6519.617113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6519.617113][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6519.617113][ T3767] ipv6_find_idev+0x102/0x170 [ 6519.617113][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6519.617113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.617113][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.617113][ T3767] netlink_unicast+0x449/0x710 [ 6519.617113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.617113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.617113][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.617113][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.617113][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.617113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6519.617113][ T3767] [ 6519.618805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6519.618805][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6519.618805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6519.618805][ T3767] ipv6_find_idev+0x102/0x170 [ 6519.618805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6519.618805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6519.618805][ T3767] netlink_rcv_skb+0x130/0x360 [ 6519.618805][ T3767] netlink_unicast+0x449/0x710 [ 6519.618805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6519.618805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6519.618805][ T3767] ___sys_sendmsg+0xee/0x170 [ 6519.618805][ T3767] __sys_sendmsg+0xcd/0x170 [ 6519.618805][ T3767] do_syscall_64+0xc6/0x1e0 [ 6519.618805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6519.618805][ T3767] [ 6529.751942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6529.752412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6529.752412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6529.752412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6529.752412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6529.752412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6529.752412][ T3767] ip6_route_add+0x1c/0x140 [ 6529.752412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6529.752412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.752412][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.752412][ T3767] netlink_unicast+0x449/0x710 [ 6529.752412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.752412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.752412][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.752412][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.752412][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.752412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.752412][ T3767] [ 6529.754527][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6529.754527][ T3767] netdev_get_by_index+0x5e/0x80 [ 6529.754527][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6529.754527][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6529.754527][ T3767] ip6_route_add+0x1c/0x140 [ 6529.754527][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6529.754527][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6529.754527][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.754527][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.754527][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.754527][ T3767] netlink_unicast+0x449/0x710 [ 6529.754527][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.754527][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.754527][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.754527][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.754527][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.754527][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.754527][ T3767] [ 6529.757224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6529.757224][ T3767] netdev_get_by_index+0x5e/0x80 [ 6529.757224][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6529.757224][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6529.757224][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6529.757224][ T3767] ipv6_add_addr+0x411/0x2000 [ 6529.757224][ T3767] inet6_addr_add+0x30e/0xa40 [ 6529.757224][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.757224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.757224][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.757224][ T3767] netlink_unicast+0x449/0x710 [ 6529.757224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.757224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.757224][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.757224][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.757224][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.757224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.757224][ T3767] [ 6529.761205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6529.761205][ T3767] netdev_get_by_index+0x5e/0x80 [ 6529.761205][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6529.761205][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6529.761205][ T3767] ip6_route_add+0x1c/0x140 [ 6529.761205][ T3767] addrconf_add_mroute+0x129/0x180 [ 6529.761205][ T3767] addrconf_add_dev+0xe2/0x170 [ 6529.761205][ T3767] inet6_addr_add+0x12f/0xa40 [ 6529.761205][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6529.761205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.761205][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.761205][ T3767] netlink_unicast+0x449/0x710 [ 6529.761205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.761205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.761205][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.761205][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.761205][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.761205][ T3767] [ 6529.763394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6529.763394][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6529.763394][ T3767] ipv6_find_idev+0x102/0x170 [ 6529.763394][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.763394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.763394][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.763394][ T3767] netlink_unicast+0x449/0x710 [ 6529.763394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.763394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.763394][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.763394][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.763394][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.763394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.763394][ T3767] [ 6529.765104][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6529.765104][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6529.765104][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6529.765104][ T3767] ipv6_find_idev+0x102/0x170 [ 6529.765104][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6529.765104][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6529.765104][ T3767] netlink_rcv_skb+0x130/0x360 [ 6529.765104][ T3767] netlink_unicast+0x449/0x710 [ 6529.765104][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6529.765104][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6529.765104][ T3767] ___sys_sendmsg+0xee/0x170 [ 6529.765104][ T3767] __sys_sendmsg+0xcd/0x170 [ 6529.765104][ T3767] do_syscall_64+0xc6/0x1e0 [ 6529.765104][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6529.765104][ T3767] [ 6540.007939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6540.008455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6540.008455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6540.008455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6540.008455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6540.008455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6540.008455][ T3767] ip6_route_add+0x1c/0x140 [ 6540.008455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6540.008455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.008455][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.008455][ T3767] netlink_unicast+0x449/0x710 [ 6540.008455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.008455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.008455][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.008455][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.008455][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.008455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.008455][ T3767] [ 6540.010785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6540.010785][ T3767] netdev_get_by_index+0x5e/0x80 [ 6540.010785][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6540.010785][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6540.010785][ T3767] ip6_route_add+0x1c/0x140 [ 6540.010785][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6540.010785][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6540.010785][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6540.010785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.010785][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.010785][ T3767] netlink_unicast+0x449/0x710 [ 6540.010785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.010785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.010785][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.010785][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.010785][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.010785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.010785][ T3767] [ 6540.013220][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6540.013220][ T3767] netdev_get_by_index+0x5e/0x80 [ 6540.013220][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6540.013220][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6540.013220][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6540.013220][ T3767] ipv6_add_addr+0x411/0x2000 [ 6540.013220][ T3767] inet6_addr_add+0x30e/0xa40 [ 6540.013220][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6540.013220][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.013220][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.013220][ T3767] netlink_unicast+0x449/0x710 [ 6540.013220][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.013220][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.013220][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.013220][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.013220][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.013220][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.013220][ T3767] [ 6540.015711][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6540.015711][ T3767] netdev_get_by_index+0x5e/0x80 [ 6540.015711][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6540.015711][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6540.015711][ T3767] ip6_route_add+0x1c/0x140 [ 6540.015711][ T3767] addrconf_add_mroute+0x129/0x180 [ 6540.015711][ T3767] addrconf_add_dev+0xe2/0x170 [ 6540.015711][ T3767] inet6_addr_add+0x12f/0xa40 [ 6540.015711][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6540.015711][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.015711][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.015711][ T3767] netlink_unicast+0x449/0x710 [ 6540.015711][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.015711][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.015711][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.015711][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.015711][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.015711][ T3767] [ 6540.018127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6540.018127][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6540.018127][ T3767] ipv6_find_idev+0x102/0x170 [ 6540.018127][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6540.018127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.018127][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.018127][ T3767] netlink_unicast+0x449/0x710 [ 6540.018127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.018127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.018127][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.018127][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.018127][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.018127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.018127][ T3767] [ 6540.020029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6540.020029][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6540.020029][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6540.020029][ T3767] ipv6_find_idev+0x102/0x170 [ 6540.020029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6540.020029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6540.020029][ T3767] netlink_rcv_skb+0x130/0x360 [ 6540.020029][ T3767] netlink_unicast+0x449/0x710 [ 6540.020029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6540.020029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6540.020029][ T3767] ___sys_sendmsg+0xee/0x170 [ 6540.020029][ T3767] __sys_sendmsg+0xcd/0x170 [ 6540.020029][ T3767] do_syscall_64+0xc6/0x1e0 [ 6540.020029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6540.020029][ T3767] [ 6550.039882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6550.040417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6550.040417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6550.040417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6550.040417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6550.040417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6550.040417][ T3767] ip6_route_add+0x1c/0x140 [ 6550.040417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6550.040417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.040417][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.040417][ T3767] netlink_unicast+0x449/0x710 [ 6550.040417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.040417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.040417][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.040417][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.040417][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.040417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.040417][ T3767] [ 6550.042753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6550.042753][ T3767] netdev_get_by_index+0x5e/0x80 [ 6550.042753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6550.042753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6550.042753][ T3767] ip6_route_add+0x1c/0x140 [ 6550.042753][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6550.042753][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6550.042753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6550.042753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.042753][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.042753][ T3767] netlink_unicast+0x449/0x710 [ 6550.042753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.042753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.042753][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.042753][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.042753][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.042753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.042753][ T3767] [ 6550.045205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6550.045205][ T3767] netdev_get_by_index+0x5e/0x80 [ 6550.045205][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6550.045205][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6550.045205][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6550.045205][ T3767] ipv6_add_addr+0x411/0x2000 [ 6550.045205][ T3767] inet6_addr_add+0x30e/0xa40 [ 6550.045205][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6550.045205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.045205][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.045205][ T3767] netlink_unicast+0x449/0x710 [ 6550.045205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.045205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.045205][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.045205][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.045205][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.045205][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.045205][ T3767] [ 6550.047670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6550.047670][ T3767] netdev_get_by_index+0x5e/0x80 [ 6550.047670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6550.047670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6550.047670][ T3767] ip6_route_add+0x1c/0x140 [ 6550.047670][ T3767] addrconf_add_mroute+0x129/0x180 [ 6550.047670][ T3767] addrconf_add_dev+0xe2/0x170 [ 6550.047670][ T3767] inet6_addr_add+0x12f/0xa40 [ 6550.047670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6550.047670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.047670][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.047670][ T3767] netlink_unicast+0x449/0x710 [ 6550.047670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.047670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.047670][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.047670][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.047670][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.047670][ T3767] [ 6550.050089][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6550.050089][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6550.050089][ T3767] ipv6_find_idev+0x102/0x170 [ 6550.050089][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6550.050089][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.050089][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.050089][ T3767] netlink_unicast+0x449/0x710 [ 6550.050089][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.050089][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.050089][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.050089][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.050089][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.050089][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.050089][ T3767] [ 6550.051969][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6550.051969][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6550.051969][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6550.051969][ T3767] ipv6_find_idev+0x102/0x170 [ 6550.051969][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6550.051969][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6550.051969][ T3767] netlink_rcv_skb+0x130/0x360 [ 6550.051969][ T3767] netlink_unicast+0x449/0x710 [ 6550.051969][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6550.051969][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6550.051969][ T3767] ___sys_sendmsg+0xee/0x170 [ 6550.051969][ T3767] __sys_sendmsg+0xcd/0x170 [ 6550.051969][ T3767] do_syscall_64+0xc6/0x1e0 [ 6550.051969][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6550.051969][ T3767] [ 6560.296020][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6560.296547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6560.296547][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6560.296547][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6560.296547][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6560.296547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6560.296547][ T3767] ip6_route_add+0x1c/0x140 [ 6560.296547][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6560.296547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.296547][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.296547][ T3767] netlink_unicast+0x449/0x710 [ 6560.296547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.296547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.296547][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.296547][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.296547][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.296547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.296547][ T3767] [ 6560.298860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6560.298860][ T3767] netdev_get_by_index+0x5e/0x80 [ 6560.298860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6560.298860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6560.298860][ T3767] ip6_route_add+0x1c/0x140 [ 6560.298860][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6560.298860][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6560.298860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6560.298860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.298860][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.298860][ T3767] netlink_unicast+0x449/0x710 [ 6560.298860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.298860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.298860][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.298860][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.298860][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.298860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.298860][ T3767] [ 6560.301355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6560.301355][ T3767] netdev_get_by_index+0x5e/0x80 [ 6560.301355][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6560.301355][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6560.301355][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6560.301355][ T3767] ipv6_add_addr+0x411/0x2000 [ 6560.301355][ T3767] inet6_addr_add+0x30e/0xa40 [ 6560.301355][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6560.301355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.301355][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.301355][ T3767] netlink_unicast+0x449/0x710 [ 6560.301355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.301355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.301355][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.301355][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.301355][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.301355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.301355][ T3767] [ 6560.303814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6560.303814][ T3767] netdev_get_by_index+0x5e/0x80 [ 6560.303814][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6560.303814][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6560.303814][ T3767] ip6_route_add+0x1c/0x140 [ 6560.303814][ T3767] addrconf_add_mroute+0x129/0x180 [ 6560.303814][ T3767] addrconf_add_dev+0xe2/0x170 [ 6560.303814][ T3767] inet6_addr_add+0x12f/0xa40 [ 6560.303814][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6560.303814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.303814][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.303814][ T3767] netlink_unicast+0x449/0x710 [ 6560.303814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.303814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.303814][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.303814][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.303814][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.303814][ T3767] [ 6560.306250][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6560.306250][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6560.306250][ T3767] ipv6_find_idev+0x102/0x170 [ 6560.306250][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6560.306250][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.306250][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.306250][ T3767] netlink_unicast+0x449/0x710 [ 6560.306250][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.306250][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.306250][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.306250][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.306250][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.306250][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.306250][ T3767] [ 6560.308152][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6560.308152][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6560.308152][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6560.308152][ T3767] ipv6_find_idev+0x102/0x170 [ 6560.308152][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6560.308152][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6560.308152][ T3767] netlink_rcv_skb+0x130/0x360 [ 6560.308152][ T3767] netlink_unicast+0x449/0x710 [ 6560.308152][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6560.308152][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6560.308152][ T3767] ___sys_sendmsg+0xee/0x170 [ 6560.308152][ T3767] __sys_sendmsg+0xcd/0x170 [ 6560.308152][ T3767] do_syscall_64+0xc6/0x1e0 [ 6560.308152][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6560.308152][ T3767] [ 6570.552010][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6570.552476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6570.552476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6570.552476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6570.552476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6570.552476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6570.552476][ T3767] ip6_route_add+0x1c/0x140 [ 6570.552476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6570.552476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.552476][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.552476][ T3767] netlink_unicast+0x449/0x710 [ 6570.552476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.552476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.552476][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.552476][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.552476][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.552476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.552476][ T3767] [ 6570.554807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6570.554807][ T3767] netdev_get_by_index+0x5e/0x80 [ 6570.554807][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6570.554807][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6570.554807][ T3767] ip6_route_add+0x1c/0x140 [ 6570.554807][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6570.554807][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6570.554807][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.554807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.554807][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.554807][ T3767] netlink_unicast+0x449/0x710 [ 6570.554807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.554807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.554807][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.554807][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.554807][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.554807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.554807][ T3767] [ 6570.557255][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6570.557255][ T3767] netdev_get_by_index+0x5e/0x80 [ 6570.557255][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6570.557255][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6570.557255][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6570.557255][ T3767] ipv6_add_addr+0x411/0x2000 [ 6570.557255][ T3767] inet6_addr_add+0x30e/0xa40 [ 6570.557255][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.557255][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.557255][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.557255][ T3767] netlink_unicast+0x449/0x710 [ 6570.557255][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.557255][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.557255][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.557255][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.557255][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.557255][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.557255][ T3767] [ 6570.559719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6570.559719][ T3767] netdev_get_by_index+0x5e/0x80 [ 6570.559719][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6570.559719][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6570.559719][ T3767] ip6_route_add+0x1c/0x140 [ 6570.559719][ T3767] addrconf_add_mroute+0x129/0x180 [ 6570.559719][ T3767] addrconf_add_dev+0xe2/0x170 [ 6570.559719][ T3767] inet6_addr_add+0x12f/0xa40 [ 6570.559719][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6570.559719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.559719][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.559719][ T3767] netlink_unicast+0x449/0x710 [ 6570.559719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.559719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.559719][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.559719][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.559719][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.559719][ T3767] [ 6570.562125][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6570.562125][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6570.562125][ T3767] ipv6_find_idev+0x102/0x170 [ 6570.562125][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.562125][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.562125][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.562125][ T3767] netlink_unicast+0x449/0x710 [ 6570.562125][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.562125][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.562125][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.562125][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.562125][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.562125][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.562125][ T3767] [ 6570.564015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6570.564015][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6570.564015][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6570.564015][ T3767] ipv6_find_idev+0x102/0x170 [ 6570.564015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6570.564015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6570.564015][ T3767] netlink_rcv_skb+0x130/0x360 [ 6570.564015][ T3767] netlink_unicast+0x449/0x710 [ 6570.564015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6570.564015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6570.564015][ T3767] ___sys_sendmsg+0xee/0x170 [ 6570.564015][ T3767] __sys_sendmsg+0xcd/0x170 [ 6570.564015][ T3767] do_syscall_64+0xc6/0x1e0 [ 6570.564015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6570.564015][ T3767] [ 6580.807945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6580.808479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6580.808479][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6580.808479][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6580.808479][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6580.808479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6580.808479][ T3767] ip6_route_add+0x1c/0x140 [ 6580.808479][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6580.808479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.808479][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.808479][ T3767] netlink_unicast+0x449/0x710 [ 6580.808479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.808479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.808479][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.808479][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.808479][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.808479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.808479][ T3767] [ 6580.810836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6580.810836][ T3767] netdev_get_by_index+0x5e/0x80 [ 6580.810836][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6580.810836][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6580.810836][ T3767] ip6_route_add+0x1c/0x140 [ 6580.810836][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6580.810836][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6580.810836][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.810836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.810836][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.810836][ T3767] netlink_unicast+0x449/0x710 [ 6580.810836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.810836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.810836][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.810836][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.810836][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.810836][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.810836][ T3767] [ 6580.813281][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6580.813281][ T3767] netdev_get_by_index+0x5e/0x80 [ 6580.813281][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6580.813281][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6580.813281][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6580.813281][ T3767] ipv6_add_addr+0x411/0x2000 [ 6580.813281][ T3767] inet6_addr_add+0x30e/0xa40 [ 6580.813281][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.813281][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.813281][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.813281][ T3767] netlink_unicast+0x449/0x710 [ 6580.813281][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.813281][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.813281][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.813281][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.813281][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.813281][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.813281][ T3767] [ 6580.815743][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6580.815743][ T3767] netdev_get_by_index+0x5e/0x80 [ 6580.815743][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6580.815743][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6580.815743][ T3767] ip6_route_add+0x1c/0x140 [ 6580.815743][ T3767] addrconf_add_mroute+0x129/0x180 [ 6580.815743][ T3767] addrconf_add_dev+0xe2/0x170 [ 6580.815743][ T3767] inet6_addr_add+0x12f/0xa40 [ 6580.815743][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6580.815743][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.815743][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.815743][ T3767] netlink_unicast+0x449/0x710 [ 6580.815743][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.815743][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.815743][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.815743][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.815743][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.815743][ T3767] [ 6580.818141][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6580.818141][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6580.818141][ T3767] ipv6_find_idev+0x102/0x170 [ 6580.818141][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.818141][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.818141][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.818141][ T3767] netlink_unicast+0x449/0x710 [ 6580.818141][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.818141][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.818141][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.818141][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.818141][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.818141][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.818141][ T3767] [ 6580.820042][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6580.820042][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6580.820042][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6580.820042][ T3767] ipv6_find_idev+0x102/0x170 [ 6580.820042][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6580.820042][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6580.820042][ T3767] netlink_rcv_skb+0x130/0x360 [ 6580.820042][ T3767] netlink_unicast+0x449/0x710 [ 6580.820042][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6580.820042][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6580.820042][ T3767] ___sys_sendmsg+0xee/0x170 [ 6580.820042][ T3767] __sys_sendmsg+0xcd/0x170 [ 6580.820042][ T3767] do_syscall_64+0xc6/0x1e0 [ 6580.820042][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6580.820042][ T3767] [ 6590.976012][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6590.976542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6590.976542][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6590.976542][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6590.976542][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6590.976542][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6590.976542][ T3767] ip6_route_add+0x1c/0x140 [ 6590.976542][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6590.976542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.976542][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.976542][ T3767] netlink_unicast+0x449/0x710 [ 6590.976542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.976542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.976542][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.976542][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.976542][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.976542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.976542][ T3767] [ 6590.978866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6590.978866][ T3767] netdev_get_by_index+0x5e/0x80 [ 6590.978866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6590.978866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6590.978866][ T3767] ip6_route_add+0x1c/0x140 [ 6590.978866][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6590.978866][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6590.978866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.978866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.978866][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.978866][ T3767] netlink_unicast+0x449/0x710 [ 6590.978866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.978866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.978866][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.978866][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.978866][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.978866][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.978866][ T3767] [ 6590.981326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6590.981326][ T3767] netdev_get_by_index+0x5e/0x80 [ 6590.981326][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6590.981326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6590.981326][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6590.981326][ T3767] ipv6_add_addr+0x411/0x2000 [ 6590.981326][ T3767] inet6_addr_add+0x30e/0xa40 [ 6590.981326][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.981326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.981326][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.981326][ T3767] netlink_unicast+0x449/0x710 [ 6590.981326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.981326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.981326][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.981326][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.981326][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.981326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.981326][ T3767] [ 6590.983773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6590.983773][ T3767] netdev_get_by_index+0x5e/0x80 [ 6590.983773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6590.983773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6590.983773][ T3767] ip6_route_add+0x1c/0x140 [ 6590.983773][ T3767] addrconf_add_mroute+0x129/0x180 [ 6590.983773][ T3767] addrconf_add_dev+0xe2/0x170 [ 6590.983773][ T3767] inet6_addr_add+0x12f/0xa40 [ 6590.983773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6590.983773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.983773][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.983773][ T3767] netlink_unicast+0x449/0x710 [ 6590.983773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.983773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.983773][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.983773][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.983773][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.983773][ T3767] [ 6590.986190][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6590.986190][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6590.986190][ T3767] ipv6_find_idev+0x102/0x170 [ 6590.986190][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.986190][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.986190][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.986190][ T3767] netlink_unicast+0x449/0x710 [ 6590.986190][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.986190][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.986190][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.986190][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.986190][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.986190][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.986190][ T3767] [ 6590.988075][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6590.988075][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6590.988075][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6590.988075][ T3767] ipv6_find_idev+0x102/0x170 [ 6590.988075][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6590.988075][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6590.988075][ T3767] netlink_rcv_skb+0x130/0x360 [ 6590.988075][ T3767] netlink_unicast+0x449/0x710 [ 6590.988075][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6590.988075][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6590.988075][ T3767] ___sys_sendmsg+0xee/0x170 [ 6590.988075][ T3767] __sys_sendmsg+0xcd/0x170 [ 6590.988075][ T3767] do_syscall_64+0xc6/0x1e0 [ 6590.988075][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6590.988075][ T3767] [ 6601.032016][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6601.032542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6601.032542][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6601.032542][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6601.032542][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6601.032542][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6601.032542][ T3767] ip6_route_add+0x1c/0x140 [ 6601.032542][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6601.032542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.032542][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.032542][ T3767] netlink_unicast+0x449/0x710 [ 6601.032542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.032542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.032542][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.032542][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.032542][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.032542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.032542][ T3767] [ 6601.034869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6601.034869][ T3767] netdev_get_by_index+0x5e/0x80 [ 6601.034869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6601.034869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6601.034869][ T3767] ip6_route_add+0x1c/0x140 [ 6601.034869][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6601.034869][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6601.034869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6601.034869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.034869][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.034869][ T3767] netlink_unicast+0x449/0x710 [ 6601.034869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.034869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.034869][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.034869][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.034869][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.034869][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.034869][ T3767] [ 6601.037314][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6601.037314][ T3767] netdev_get_by_index+0x5e/0x80 [ 6601.037314][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6601.037314][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6601.037314][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6601.037314][ T3767] ipv6_add_addr+0x411/0x2000 [ 6601.037314][ T3767] inet6_addr_add+0x30e/0xa40 [ 6601.037314][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6601.037314][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.037314][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.037314][ T3767] netlink_unicast+0x449/0x710 [ 6601.037314][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.037314][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.037314][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.037314][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.037314][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.037314][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.037314][ T3767] [ 6601.039757][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6601.039757][ T3767] netdev_get_by_index+0x5e/0x80 [ 6601.039757][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6601.039757][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6601.039757][ T3767] ip6_route_add+0x1c/0x140 [ 6601.039757][ T3767] addrconf_add_mroute+0x129/0x180 [ 6601.039757][ T3767] addrconf_add_dev+0xe2/0x170 [ 6601.039757][ T3767] inet6_addr_add+0x12f/0xa40 [ 6601.039757][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6601.039757][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.039757][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.039757][ T3767] netlink_unicast+0x449/0x710 [ 6601.039757][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.039757][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.039757][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.039757][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.039757][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.039757][ T3767] [ 6601.042177][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6601.042177][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6601.042177][ T3767] ipv6_find_idev+0x102/0x170 [ 6601.042177][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6601.042177][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.042177][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.042177][ T3767] netlink_unicast+0x449/0x710 [ 6601.042177][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.042177][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.042177][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.042177][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.042177][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.042177][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.042177][ T3767] [ 6601.047038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6601.047038][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6601.047038][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6601.047038][ T3767] ipv6_find_idev+0x102/0x170 [ 6601.047038][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6601.047038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6601.047038][ T3767] netlink_rcv_skb+0x130/0x360 [ 6601.047038][ T3767] netlink_unicast+0x449/0x710 [ 6601.047038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6601.047038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6601.047038][ T3767] ___sys_sendmsg+0xee/0x170 [ 6601.047038][ T3767] __sys_sendmsg+0xcd/0x170 [ 6601.047038][ T3767] do_syscall_64+0xc6/0x1e0 [ 6601.047038][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6601.047038][ T3767] [ 6611.199986][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6611.200503][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6611.200503][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6611.200503][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6611.200503][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6611.200503][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6611.200503][ T3767] ip6_route_add+0x1c/0x140 [ 6611.200503][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6611.200503][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.200503][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.200503][ T3767] netlink_unicast+0x449/0x710 [ 6611.200503][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.200503][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.200503][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.200503][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.200503][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.200503][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.200503][ T3767] [ 6611.202850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6611.202850][ T3767] netdev_get_by_index+0x5e/0x80 [ 6611.202850][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6611.202850][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6611.202850][ T3767] ip6_route_add+0x1c/0x140 [ 6611.202850][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6611.202850][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6611.202850][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.202850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.202850][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.202850][ T3767] netlink_unicast+0x449/0x710 [ 6611.202850][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.202850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.202850][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.202850][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.202850][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.202850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.202850][ T3767] [ 6611.205305][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6611.205305][ T3767] netdev_get_by_index+0x5e/0x80 [ 6611.205305][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6611.205305][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6611.205305][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6611.205305][ T3767] ipv6_add_addr+0x411/0x2000 [ 6611.205305][ T3767] inet6_addr_add+0x30e/0xa40 [ 6611.205305][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.205305][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.205305][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.205305][ T3767] netlink_unicast+0x449/0x710 [ 6611.205305][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.205305][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.205305][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.205305][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.205305][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.205305][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.205305][ T3767] [ 6611.207785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6611.207785][ T3767] netdev_get_by_index+0x5e/0x80 [ 6611.207785][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6611.207785][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6611.207785][ T3767] ip6_route_add+0x1c/0x140 [ 6611.207785][ T3767] addrconf_add_mroute+0x129/0x180 [ 6611.207785][ T3767] addrconf_add_dev+0xe2/0x170 [ 6611.207785][ T3767] inet6_addr_add+0x12f/0xa40 [ 6611.207785][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6611.207785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.207785][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.207785][ T3767] netlink_unicast+0x449/0x710 [ 6611.207785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.207785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.207785][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.207785][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.207785][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.207785][ T3767] [ 6611.210214][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6611.210214][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6611.210214][ T3767] ipv6_find_idev+0x102/0x170 [ 6611.210214][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.210214][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.210214][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.210214][ T3767] netlink_unicast+0x449/0x710 [ 6611.210214][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.210214][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.210214][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.210214][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.210214][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.210214][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.210214][ T3767] [ 6611.212108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6611.212108][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6611.212108][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6611.212108][ T3767] ipv6_find_idev+0x102/0x170 [ 6611.212108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6611.212108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6611.212108][ T3767] netlink_rcv_skb+0x130/0x360 [ 6611.212108][ T3767] netlink_unicast+0x449/0x710 [ 6611.212108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6611.212108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6611.212108][ T3767] ___sys_sendmsg+0xee/0x170 [ 6611.212108][ T3767] __sys_sendmsg+0xcd/0x170 [ 6611.212108][ T3767] do_syscall_64+0xc6/0x1e0 [ 6611.212108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6611.212108][ T3767] [ 6621.447942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6621.448460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6621.448460][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6621.448460][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6621.448460][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6621.448460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6621.448460][ T3767] ip6_route_add+0x1c/0x140 [ 6621.448460][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6621.448460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.448460][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.448460][ T3767] netlink_unicast+0x449/0x710 [ 6621.448460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.448460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.448460][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.448460][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.448460][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.448460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.448460][ T3767] [ 6621.450815][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6621.450815][ T3767] netdev_get_by_index+0x5e/0x80 [ 6621.450815][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6621.450815][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6621.450815][ T3767] ip6_route_add+0x1c/0x140 [ 6621.450815][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6621.450815][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6621.450815][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.450815][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.450815][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.450815][ T3767] netlink_unicast+0x449/0x710 [ 6621.450815][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.450815][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.450815][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.450815][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.450815][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.450815][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.450815][ T3767] [ 6621.453283][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6621.453283][ T3767] netdev_get_by_index+0x5e/0x80 [ 6621.453283][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6621.453283][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6621.453283][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6621.453283][ T3767] ipv6_add_addr+0x411/0x2000 [ 6621.453283][ T3767] inet6_addr_add+0x30e/0xa40 [ 6621.453283][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.453283][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.453283][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.453283][ T3767] netlink_unicast+0x449/0x710 [ 6621.453283][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.453283][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.453283][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.453283][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.453283][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.453283][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.453283][ T3767] [ 6621.455752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6621.455752][ T3767] netdev_get_by_index+0x5e/0x80 [ 6621.455752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6621.455752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6621.455752][ T3767] ip6_route_add+0x1c/0x140 [ 6621.455752][ T3767] addrconf_add_mroute+0x129/0x180 [ 6621.455752][ T3767] addrconf_add_dev+0xe2/0x170 [ 6621.455752][ T3767] inet6_addr_add+0x12f/0xa40 [ 6621.455752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6621.455752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.455752][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.455752][ T3767] netlink_unicast+0x449/0x710 [ 6621.455752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.455752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.455752][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.455752][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.455752][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.455752][ T3767] [ 6621.458162][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6621.458162][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6621.458162][ T3767] ipv6_find_idev+0x102/0x170 [ 6621.458162][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.458162][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.458162][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.458162][ T3767] netlink_unicast+0x449/0x710 [ 6621.458162][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.458162][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.458162][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.458162][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.458162][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.458162][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.458162][ T3767] [ 6621.460062][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6621.460062][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6621.460062][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6621.460062][ T3767] ipv6_find_idev+0x102/0x170 [ 6621.460062][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6621.460062][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6621.460062][ T3767] netlink_rcv_skb+0x130/0x360 [ 6621.460062][ T3767] netlink_unicast+0x449/0x710 [ 6621.460062][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6621.460062][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6621.460062][ T3767] ___sys_sendmsg+0xee/0x170 [ 6621.460062][ T3767] __sys_sendmsg+0xcd/0x170 [ 6621.460062][ T3767] do_syscall_64+0xc6/0x1e0 [ 6621.460062][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6621.460062][ T3767] [ 6631.703935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6631.704487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6631.704487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6631.704487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6631.704487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6631.704487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6631.704487][ T3767] ip6_route_add+0x1c/0x140 [ 6631.704487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6631.704487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.704487][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.704487][ T3767] netlink_unicast+0x449/0x710 [ 6631.704487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.704487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.704487][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.704487][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.704487][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.704487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.704487][ T3767] [ 6631.706822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6631.706822][ T3767] netdev_get_by_index+0x5e/0x80 [ 6631.706822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6631.706822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6631.706822][ T3767] ip6_route_add+0x1c/0x140 [ 6631.706822][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6631.706822][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6631.706822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.706822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.706822][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.706822][ T3767] netlink_unicast+0x449/0x710 [ 6631.706822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.706822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.706822][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.706822][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.706822][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.706822][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.706822][ T3767] [ 6631.709267][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6631.709267][ T3767] netdev_get_by_index+0x5e/0x80 [ 6631.709267][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6631.709267][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6631.709267][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6631.709267][ T3767] ipv6_add_addr+0x411/0x2000 [ 6631.709267][ T3767] inet6_addr_add+0x30e/0xa40 [ 6631.709267][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.709267][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.709267][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.709267][ T3767] netlink_unicast+0x449/0x710 [ 6631.709267][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.709267][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.709267][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.709267][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.709267][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.709267][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.709267][ T3767] [ 6631.711706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6631.711706][ T3767] netdev_get_by_index+0x5e/0x80 [ 6631.711706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6631.711706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6631.711706][ T3767] ip6_route_add+0x1c/0x140 [ 6631.711706][ T3767] addrconf_add_mroute+0x129/0x180 [ 6631.711706][ T3767] addrconf_add_dev+0xe2/0x170 [ 6631.711706][ T3767] inet6_addr_add+0x12f/0xa40 [ 6631.711706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6631.711706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.711706][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.711706][ T3767] netlink_unicast+0x449/0x710 [ 6631.711706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.711706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.711706][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.711706][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.711706][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.711706][ T3767] [ 6631.714131][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6631.714131][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6631.714131][ T3767] ipv6_find_idev+0x102/0x170 [ 6631.714131][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.714131][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.714131][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.714131][ T3767] netlink_unicast+0x449/0x710 [ 6631.714131][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.714131][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.714131][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.714131][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.714131][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.714131][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.714131][ T3767] [ 6631.716031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6631.716031][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6631.716031][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6631.716031][ T3767] ipv6_find_idev+0x102/0x170 [ 6631.716031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6631.716031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6631.716031][ T3767] netlink_rcv_skb+0x130/0x360 [ 6631.716031][ T3767] netlink_unicast+0x449/0x710 [ 6631.716031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6631.716031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6631.716031][ T3767] ___sys_sendmsg+0xee/0x170 [ 6631.716031][ T3767] __sys_sendmsg+0xcd/0x170 [ 6631.716031][ T3767] do_syscall_64+0xc6/0x1e0 [ 6631.716031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6631.716031][ T3767] [ 6641.959957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6641.960497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6641.960497][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6641.960497][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6641.960497][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6641.960497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6641.960497][ T3767] ip6_route_add+0x1c/0x140 [ 6641.960497][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6641.960497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.960497][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.960497][ T3767] netlink_unicast+0x449/0x710 [ 6641.960497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.960497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.960497][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.960497][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.960497][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.960497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.960497][ T3767] [ 6641.962868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6641.962868][ T3767] netdev_get_by_index+0x5e/0x80 [ 6641.962868][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6641.962868][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6641.962868][ T3767] ip6_route_add+0x1c/0x140 [ 6641.962868][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6641.962868][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6641.962868][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.962868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.962868][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.962868][ T3767] netlink_unicast+0x449/0x710 [ 6641.962868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.962868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.962868][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.962868][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.962868][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.962868][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.962868][ T3767] [ 6641.965312][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6641.965312][ T3767] netdev_get_by_index+0x5e/0x80 [ 6641.965312][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6641.965312][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6641.965312][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6641.965312][ T3767] ipv6_add_addr+0x411/0x2000 [ 6641.965312][ T3767] inet6_addr_add+0x30e/0xa40 [ 6641.965312][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.965312][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.965312][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.965312][ T3767] netlink_unicast+0x449/0x710 [ 6641.965312][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.965312][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.965312][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.965312][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.965312][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.965312][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.965312][ T3767] [ 6641.967763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6641.967763][ T3767] netdev_get_by_index+0x5e/0x80 [ 6641.967763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6641.967763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6641.967763][ T3767] ip6_route_add+0x1c/0x140 [ 6641.967763][ T3767] addrconf_add_mroute+0x129/0x180 [ 6641.967763][ T3767] addrconf_add_dev+0xe2/0x170 [ 6641.967763][ T3767] inet6_addr_add+0x12f/0xa40 [ 6641.967763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6641.967763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.967763][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.967763][ T3767] netlink_unicast+0x449/0x710 [ 6641.967763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.967763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.967763][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.967763][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.967763][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.967763][ T3767] [ 6641.970167][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6641.970167][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6641.970167][ T3767] ipv6_find_idev+0x102/0x170 [ 6641.970167][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.970167][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.970167][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.970167][ T3767] netlink_unicast+0x449/0x710 [ 6641.970167][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.970167][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.970167][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.970167][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.970167][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.970167][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.970167][ T3767] [ 6641.972064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6641.972064][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6641.972064][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6641.972064][ T3767] ipv6_find_idev+0x102/0x170 [ 6641.972064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6641.972064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6641.972064][ T3767] netlink_rcv_skb+0x130/0x360 [ 6641.972064][ T3767] netlink_unicast+0x449/0x710 [ 6641.972064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6641.972064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6641.972064][ T3767] ___sys_sendmsg+0xee/0x170 [ 6641.972064][ T3767] __sys_sendmsg+0xcd/0x170 [ 6641.972064][ T3767] do_syscall_64+0xc6/0x1e0 [ 6641.972064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6641.972064][ T3767] [ 6652.215930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6652.216455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6652.216455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6652.216455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6652.216455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6652.216455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6652.216455][ T3767] ip6_route_add+0x1c/0x140 [ 6652.216455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6652.216455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.216455][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.216455][ T3767] netlink_unicast+0x449/0x710 [ 6652.216455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.216455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.216455][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.216455][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.216455][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.216455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.216455][ T3767] [ 6652.218810][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6652.218810][ T3767] netdev_get_by_index+0x5e/0x80 [ 6652.218810][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6652.218810][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6652.218810][ T3767] ip6_route_add+0x1c/0x140 [ 6652.218810][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6652.218810][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6652.218810][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.218810][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.218810][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.218810][ T3767] netlink_unicast+0x449/0x710 [ 6652.218810][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.218810][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.218810][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.218810][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.218810][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.218810][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.218810][ T3767] [ 6652.221273][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6652.221273][ T3767] netdev_get_by_index+0x5e/0x80 [ 6652.221273][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6652.221273][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6652.221273][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6652.221273][ T3767] ipv6_add_addr+0x411/0x2000 [ 6652.221273][ T3767] inet6_addr_add+0x30e/0xa40 [ 6652.221273][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.221273][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.221273][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.221273][ T3767] netlink_unicast+0x449/0x710 [ 6652.221273][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.221273][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.221273][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.221273][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.221273][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.221273][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.221273][ T3767] [ 6652.223737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6652.223737][ T3767] netdev_get_by_index+0x5e/0x80 [ 6652.223737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6652.223737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6652.223737][ T3767] ip6_route_add+0x1c/0x140 [ 6652.223737][ T3767] addrconf_add_mroute+0x129/0x180 [ 6652.223737][ T3767] addrconf_add_dev+0xe2/0x170 [ 6652.223737][ T3767] inet6_addr_add+0x12f/0xa40 [ 6652.223737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6652.223737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.223737][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.223737][ T3767] netlink_unicast+0x449/0x710 [ 6652.223737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.223737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.223737][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.223737][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.223737][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.223737][ T3767] [ 6652.226149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6652.226149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6652.226149][ T3767] ipv6_find_idev+0x102/0x170 [ 6652.226149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.226149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.226149][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.226149][ T3767] netlink_unicast+0x449/0x710 [ 6652.226149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.226149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.226149][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.226149][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.226149][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.226149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.226149][ T3767] [ 6652.228030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6652.228030][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6652.228030][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6652.228030][ T3767] ipv6_find_idev+0x102/0x170 [ 6652.228030][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6652.228030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6652.228030][ T3767] netlink_rcv_skb+0x130/0x360 [ 6652.228030][ T3767] netlink_unicast+0x449/0x710 [ 6652.228030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6652.228030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6652.228030][ T3767] ___sys_sendmsg+0xee/0x170 [ 6652.228030][ T3767] __sys_sendmsg+0xcd/0x170 [ 6652.228030][ T3767] do_syscall_64+0xc6/0x1e0 [ 6652.228030][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6652.228030][ T3767] [ 6662.471957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6662.472490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6662.472490][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6662.472490][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6662.472490][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6662.472490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6662.472490][ T3767] ip6_route_add+0x1c/0x140 [ 6662.472490][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6662.472490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.472490][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.472490][ T3767] netlink_unicast+0x449/0x710 [ 6662.472490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.472490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.472490][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.472490][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.472490][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.472490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.472490][ T3767] [ 6662.474805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6662.474805][ T3767] netdev_get_by_index+0x5e/0x80 [ 6662.474805][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6662.474805][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6662.474805][ T3767] ip6_route_add+0x1c/0x140 [ 6662.474805][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6662.474805][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6662.474805][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.474805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.474805][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.474805][ T3767] netlink_unicast+0x449/0x710 [ 6662.474805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.474805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.474805][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.474805][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.474805][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.474805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.474805][ T3767] [ 6662.477251][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6662.477251][ T3767] netdev_get_by_index+0x5e/0x80 [ 6662.477251][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6662.477251][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6662.477251][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6662.477251][ T3767] ipv6_add_addr+0x411/0x2000 [ 6662.477251][ T3767] inet6_addr_add+0x30e/0xa40 [ 6662.477251][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.477251][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.477251][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.477251][ T3767] netlink_unicast+0x449/0x710 [ 6662.477251][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.477251][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.477251][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.477251][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.477251][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.477251][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.477251][ T3767] [ 6662.479694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6662.479694][ T3767] netdev_get_by_index+0x5e/0x80 [ 6662.479694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6662.479694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6662.479694][ T3767] ip6_route_add+0x1c/0x140 [ 6662.479694][ T3767] addrconf_add_mroute+0x129/0x180 [ 6662.479694][ T3767] addrconf_add_dev+0xe2/0x170 [ 6662.479694][ T3767] inet6_addr_add+0x12f/0xa40 [ 6662.479694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6662.479694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.479694][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.479694][ T3767] netlink_unicast+0x449/0x710 [ 6662.479694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.479694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.479694][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.479694][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.479694][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.479694][ T3767] [ 6662.482120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6662.482120][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6662.482120][ T3767] ipv6_find_idev+0x102/0x170 [ 6662.482120][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.482120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.482120][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.482120][ T3767] netlink_unicast+0x449/0x710 [ 6662.482120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.482120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.482120][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.482120][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.482120][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.482120][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.482120][ T3767] [ 6662.484012][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6662.484012][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6662.484012][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6662.484012][ T3767] ipv6_find_idev+0x102/0x170 [ 6662.484012][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6662.484012][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6662.484012][ T3767] netlink_rcv_skb+0x130/0x360 [ 6662.484012][ T3767] netlink_unicast+0x449/0x710 [ 6662.484012][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6662.484012][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6662.484012][ T3767] ___sys_sendmsg+0xee/0x170 [ 6662.484012][ T3767] __sys_sendmsg+0xcd/0x170 [ 6662.484012][ T3767] do_syscall_64+0xc6/0x1e0 [ 6662.484012][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6662.484012][ T3767] [ 6672.727930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6672.728452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6672.728452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6672.728452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6672.728452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6672.728452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6672.728452][ T3767] ip6_route_add+0x1c/0x140 [ 6672.728452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6672.728452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.728452][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.728452][ T3767] netlink_unicast+0x449/0x710 [ 6672.728452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.728452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.728452][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.728452][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.728452][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.728452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.728452][ T3767] [ 6672.730817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6672.730817][ T3767] netdev_get_by_index+0x5e/0x80 [ 6672.730817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6672.730817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6672.730817][ T3767] ip6_route_add+0x1c/0x140 [ 6672.730817][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6672.730817][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6672.730817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.730817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.730817][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.730817][ T3767] netlink_unicast+0x449/0x710 [ 6672.730817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.730817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.730817][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.730817][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.730817][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.730817][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.730817][ T3767] [ 6672.733276][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6672.733276][ T3767] netdev_get_by_index+0x5e/0x80 [ 6672.733276][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6672.733276][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6672.733276][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6672.733276][ T3767] ipv6_add_addr+0x411/0x2000 [ 6672.733276][ T3767] inet6_addr_add+0x30e/0xa40 [ 6672.733276][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.733276][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.733276][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.733276][ T3767] netlink_unicast+0x449/0x710 [ 6672.733276][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.733276][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.733276][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.733276][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.733276][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.733276][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.733276][ T3767] [ 6672.735725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6672.735725][ T3767] netdev_get_by_index+0x5e/0x80 [ 6672.735725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6672.735725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6672.735725][ T3767] ip6_route_add+0x1c/0x140 [ 6672.735725][ T3767] addrconf_add_mroute+0x129/0x180 [ 6672.735725][ T3767] addrconf_add_dev+0xe2/0x170 [ 6672.735725][ T3767] inet6_addr_add+0x12f/0xa40 [ 6672.735725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6672.735725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.735725][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.735725][ T3767] netlink_unicast+0x449/0x710 [ 6672.735725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.735725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.735725][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.735725][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.735725][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.735725][ T3767] [ 6672.738127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6672.738127][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6672.738127][ T3767] ipv6_find_idev+0x102/0x170 [ 6672.738127][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.738127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.738127][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.738127][ T3767] netlink_unicast+0x449/0x710 [ 6672.738127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.738127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.738127][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.738127][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.738127][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.738127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.738127][ T3767] [ 6672.739997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6672.739997][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6672.739997][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6672.739997][ T3767] ipv6_find_idev+0x102/0x170 [ 6672.739997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6672.739997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6672.739997][ T3767] netlink_rcv_skb+0x130/0x360 [ 6672.739997][ T3767] netlink_unicast+0x449/0x710 [ 6672.739997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6672.739997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6672.739997][ T3767] ___sys_sendmsg+0xee/0x170 [ 6672.739997][ T3767] __sys_sendmsg+0xcd/0x170 [ 6672.739997][ T3767] do_syscall_64+0xc6/0x1e0 [ 6672.739997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6672.739997][ T3767] [ 6682.983945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6682.984465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6682.984465][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6682.984465][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6682.984465][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6682.984465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6682.984465][ T3767] ip6_route_add+0x1c/0x140 [ 6682.984465][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6682.984465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.984465][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.984465][ T3767] netlink_unicast+0x449/0x710 [ 6682.984465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.984465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.984465][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.984465][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.984465][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.984465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.984465][ T3767] [ 6682.986804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6682.986804][ T3767] netdev_get_by_index+0x5e/0x80 [ 6682.986804][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6682.986804][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6682.986804][ T3767] ip6_route_add+0x1c/0x140 [ 6682.986804][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6682.986804][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6682.986804][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.986804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.986804][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.986804][ T3767] netlink_unicast+0x449/0x710 [ 6682.986804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.986804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.986804][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.986804][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.986804][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.986804][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.986804][ T3767] [ 6682.989259][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6682.989259][ T3767] netdev_get_by_index+0x5e/0x80 [ 6682.989259][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6682.989259][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6682.989259][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6682.989259][ T3767] ipv6_add_addr+0x411/0x2000 [ 6682.989259][ T3767] inet6_addr_add+0x30e/0xa40 [ 6682.989259][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.989259][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.989259][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.989259][ T3767] netlink_unicast+0x449/0x710 [ 6682.989259][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.989259][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.989259][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.989259][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.989259][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.989259][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.989259][ T3767] [ 6682.991705][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6682.991705][ T3767] netdev_get_by_index+0x5e/0x80 [ 6682.991705][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6682.991705][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6682.991705][ T3767] ip6_route_add+0x1c/0x140 [ 6682.991705][ T3767] addrconf_add_mroute+0x129/0x180 [ 6682.991705][ T3767] addrconf_add_dev+0xe2/0x170 [ 6682.991705][ T3767] inet6_addr_add+0x12f/0xa40 [ 6682.991705][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6682.991705][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.991705][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.991705][ T3767] netlink_unicast+0x449/0x710 [ 6682.991705][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.991705][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.991705][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.991705][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.991705][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.991705][ T3767] [ 6682.994108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6682.994108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6682.994108][ T3767] ipv6_find_idev+0x102/0x170 [ 6682.994108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6682.994108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.994108][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.994108][ T3767] netlink_unicast+0x449/0x710 [ 6682.994108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.994108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.994108][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.994108][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.994108][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.994108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.994108][ T3767] [ 6682.996010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6682.996010][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6682.996010][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6682.996010][ T3767] ipv6_find_idev+0x102/0x170 [ 6682.996010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6682.996010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6682.996010][ T3767] netlink_rcv_skb+0x130/0x360 [ 6682.996010][ T3767] netlink_unicast+0x449/0x710 [ 6682.996010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6682.996010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6682.996010][ T3767] ___sys_sendmsg+0xee/0x170 [ 6682.996010][ T3767] __sys_sendmsg+0xcd/0x170 [ 6682.996010][ T3767] do_syscall_64+0xc6/0x1e0 [ 6682.996010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6682.996010][ T3767] [ 6693.055935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6693.056410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6693.056410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6693.056410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6693.056410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6693.056410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6693.056410][ T3767] ip6_route_add+0x1c/0x140 [ 6693.056410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6693.056410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.056410][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.056410][ T3767] netlink_unicast+0x449/0x710 [ 6693.056410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.056410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.056410][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.056410][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.056410][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.056410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.056410][ T3767] [ 6693.058737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6693.058737][ T3767] netdev_get_by_index+0x5e/0x80 [ 6693.058737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6693.058737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6693.058737][ T3767] ip6_route_add+0x1c/0x140 [ 6693.058737][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6693.058737][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6693.058737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.058737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.058737][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.058737][ T3767] netlink_unicast+0x449/0x710 [ 6693.058737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.058737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.058737][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.058737][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.058737][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.058737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.058737][ T3767] [ 6693.061191][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6693.061191][ T3767] netdev_get_by_index+0x5e/0x80 [ 6693.061191][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6693.061191][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6693.061191][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6693.061191][ T3767] ipv6_add_addr+0x411/0x2000 [ 6693.061191][ T3767] inet6_addr_add+0x30e/0xa40 [ 6693.061191][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.061191][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.061191][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.061191][ T3767] netlink_unicast+0x449/0x710 [ 6693.061191][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.061191][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.061191][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.061191][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.061191][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.061191][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.061191][ T3767] [ 6693.063635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6693.063635][ T3767] netdev_get_by_index+0x5e/0x80 [ 6693.063635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6693.063635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6693.063635][ T3767] ip6_route_add+0x1c/0x140 [ 6693.063635][ T3767] addrconf_add_mroute+0x129/0x180 [ 6693.063635][ T3767] addrconf_add_dev+0xe2/0x170 [ 6693.063635][ T3767] inet6_addr_add+0x12f/0xa40 [ 6693.063635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6693.063635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.063635][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.063635][ T3767] netlink_unicast+0x449/0x710 [ 6693.063635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.063635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.063635][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.063635][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.063635][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.063635][ T3767] [ 6693.066546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6693.066546][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6693.066546][ T3767] ipv6_find_idev+0x102/0x170 [ 6693.066546][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.066546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.066546][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.066546][ T3767] netlink_unicast+0x449/0x710 [ 6693.066546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.066546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.066546][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.066546][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.066546][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.066546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.066546][ T3767] [ 6693.068427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6693.068427][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6693.068427][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6693.068427][ T3767] ipv6_find_idev+0x102/0x170 [ 6693.068427][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6693.068427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6693.068427][ T3767] netlink_rcv_skb+0x130/0x360 [ 6693.068427][ T3767] netlink_unicast+0x449/0x710 [ 6693.068427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6693.068427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6693.068427][ T3767] ___sys_sendmsg+0xee/0x170 [ 6693.068427][ T3767] __sys_sendmsg+0xcd/0x170 [ 6693.068427][ T3767] do_syscall_64+0xc6/0x1e0 [ 6693.068427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6693.068427][ T3767] [ 6703.319959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6703.320487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6703.320487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6703.320487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6703.320487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6703.320487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6703.320487][ T3767] ip6_route_add+0x1c/0x140 [ 6703.320487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6703.320487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.320487][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.320487][ T3767] netlink_unicast+0x449/0x710 [ 6703.320487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.320487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.320487][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.320487][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.320487][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.320487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.320487][ T3767] [ 6703.322829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6703.322829][ T3767] netdev_get_by_index+0x5e/0x80 [ 6703.322829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6703.322829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6703.322829][ T3767] ip6_route_add+0x1c/0x140 [ 6703.322829][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6703.322829][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6703.322829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.322829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.322829][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.322829][ T3767] netlink_unicast+0x449/0x710 [ 6703.322829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.322829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.322829][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.322829][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.322829][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.322829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.322829][ T3767] [ 6703.325298][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6703.325298][ T3767] netdev_get_by_index+0x5e/0x80 [ 6703.325298][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6703.325298][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6703.325298][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6703.325298][ T3767] ipv6_add_addr+0x411/0x2000 [ 6703.325298][ T3767] inet6_addr_add+0x30e/0xa40 [ 6703.325298][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.325298][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.325298][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.325298][ T3767] netlink_unicast+0x449/0x710 [ 6703.325298][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.325298][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.325298][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.325298][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.325298][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.325298][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.325298][ T3767] [ 6703.327794][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6703.327794][ T3767] netdev_get_by_index+0x5e/0x80 [ 6703.327794][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6703.327794][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6703.327794][ T3767] ip6_route_add+0x1c/0x140 [ 6703.327794][ T3767] addrconf_add_mroute+0x129/0x180 [ 6703.327794][ T3767] addrconf_add_dev+0xe2/0x170 [ 6703.327794][ T3767] inet6_addr_add+0x12f/0xa40 [ 6703.327794][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6703.327794][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.327794][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.327794][ T3767] netlink_unicast+0x449/0x710 [ 6703.327794][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.327794][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.327794][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.327794][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.327794][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.327794][ T3767] [ 6703.330197][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6703.330197][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6703.330197][ T3767] ipv6_find_idev+0x102/0x170 [ 6703.330197][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.330197][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.330197][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.330197][ T3767] netlink_unicast+0x449/0x710 [ 6703.330197][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.330197][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.330197][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.330197][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.330197][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.330197][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.330197][ T3767] [ 6703.332082][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6703.332082][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6703.332082][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6703.332082][ T3767] ipv6_find_idev+0x102/0x170 [ 6703.332082][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6703.332082][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6703.332082][ T3767] netlink_rcv_skb+0x130/0x360 [ 6703.332082][ T3767] netlink_unicast+0x449/0x710 [ 6703.332082][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6703.332082][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6703.332082][ T3767] ___sys_sendmsg+0xee/0x170 [ 6703.332082][ T3767] __sys_sendmsg+0xcd/0x170 [ 6703.332082][ T3767] do_syscall_64+0xc6/0x1e0 [ 6703.332082][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6703.332082][ T3767] [ 6713.583931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6713.584450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6713.584450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6713.584450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6713.584450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6713.584450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6713.584450][ T3767] ip6_route_add+0x1c/0x140 [ 6713.584450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6713.584450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.584450][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.584450][ T3767] netlink_unicast+0x449/0x710 [ 6713.584450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.584450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.584450][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.584450][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.584450][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.584450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6713.584450][ T3767] [ 6713.586802][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6713.586802][ T3767] netdev_get_by_index+0x5e/0x80 [ 6713.586802][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6713.586802][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6713.586802][ T3767] ip6_route_add+0x1c/0x140 [ 6713.586802][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6713.586802][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6713.586802][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6713.586802][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.586802][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.586802][ T3767] netlink_unicast+0x449/0x710 [ 6713.586802][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.586802][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.586802][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.586802][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.586802][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.586802][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6713.586802][ T3767] [ 6713.589284][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6713.589284][ T3767] netdev_get_by_index+0x5e/0x80 [ 6713.589284][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6713.589284][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6713.589284][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6713.589284][ T3767] ipv6_add_addr+0x411/0x2000 [ 6713.589284][ T3767] inet6_addr_add+0x30e/0xa40 [ 6713.589284][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6713.589284][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.589284][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.589284][ T3767] netlink_unicast+0x449/0x710 [ 6713.589284][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.589284][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.589284][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.589284][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.589284][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.589284][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6713.589284][ T3767] [ 6713.591749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6713.591749][ T3767] netdev_get_by_index+0x5e/0x80 [ 6713.591749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6713.591749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6713.591749][ T3767] ip6_route_add+0x1c/0x140 [ 6713.591749][ T3767] addrconf_add_mroute+0x129/0x180 [ 6713.591749][ T3767] addrconf_add_dev+0xe2/0x170 [ 6713.591749][ T3767] inet6_addr_add+0x12f/0xa40 [ 6713.591749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6713.591749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.591749][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.591749][ T3767] netlink_unicast+0x449/0x710 [ 6713.591749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.591749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.591749][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.591749][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.591749][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.591749][ T3767] [ 6713.594175][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6713.594175][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6713.594175][ T3767] ipv6_find_idev+0x102/0x170 [ 6713.594175][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6713.594175][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.594175][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.594175][ T3767] netlink_unicast+0x449/0x710 [ 6713.594175][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.594175][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.594175][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.594175][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.594175][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.594175][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6713.594175][ T3767] [ 6713.596076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6713.596076][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6713.596076][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6713.596076][ T3767] ipv6_find_idev+0x102/0x170 [ 6713.596076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6713.596076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6713.596076][ T3767] netlink_rcv_skb+0x130/0x360 [ 6713.596076][ T3767] netlink_unicast+0x449/0x710 [ 6713.596076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6713.596076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6713.596076][ T3767] ___sys_sendmsg+0xee/0x170 [ 6713.596076][ T3767] __sys_sendmsg+0xcd/0x170 [ 6713.596076][ T3767] do_syscall_64+0xc6/0x1e0 [ 6713.596076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6713.596076][ T3767] [ 6723.839972][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6723.840490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6723.840490][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6723.840490][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6723.840490][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6723.840490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6723.840490][ T3767] ip6_route_add+0x1c/0x140 [ 6723.840490][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6723.840490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.840490][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.840490][ T3767] netlink_unicast+0x449/0x710 [ 6723.840490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.840490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.840490][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.840490][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.840490][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.840490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.840490][ T3767] [ 6723.842863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6723.842863][ T3767] netdev_get_by_index+0x5e/0x80 [ 6723.842863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6723.842863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6723.842863][ T3767] ip6_route_add+0x1c/0x140 [ 6723.842863][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6723.842863][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6723.842863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.842863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.842863][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.842863][ T3767] netlink_unicast+0x449/0x710 [ 6723.842863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.842863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.842863][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.842863][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.842863][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.842863][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.842863][ T3767] [ 6723.845324][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6723.845324][ T3767] netdev_get_by_index+0x5e/0x80 [ 6723.845324][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6723.845324][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6723.845324][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6723.845324][ T3767] ipv6_add_addr+0x411/0x2000 [ 6723.845324][ T3767] inet6_addr_add+0x30e/0xa40 [ 6723.845324][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.845324][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.845324][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.845324][ T3767] netlink_unicast+0x449/0x710 [ 6723.845324][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.845324][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.845324][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.845324][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.845324][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.845324][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.845324][ T3767] [ 6723.847768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6723.847768][ T3767] netdev_get_by_index+0x5e/0x80 [ 6723.847768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6723.847768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6723.847768][ T3767] ip6_route_add+0x1c/0x140 [ 6723.847768][ T3767] addrconf_add_mroute+0x129/0x180 [ 6723.847768][ T3767] addrconf_add_dev+0xe2/0x170 [ 6723.847768][ T3767] inet6_addr_add+0x12f/0xa40 [ 6723.847768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6723.847768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.847768][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.847768][ T3767] netlink_unicast+0x449/0x710 [ 6723.847768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.847768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.847768][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.847768][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.847768][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.847768][ T3767] [ 6723.850147][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6723.850147][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6723.850147][ T3767] ipv6_find_idev+0x102/0x170 [ 6723.850147][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6723.850147][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.850147][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.850147][ T3767] netlink_unicast+0x449/0x710 [ 6723.850147][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.850147][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.850147][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.850147][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.850147][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.850147][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.850147][ T3767] [ 6723.852032][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6723.852032][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6723.852032][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6723.852032][ T3767] ipv6_find_idev+0x102/0x170 [ 6723.852032][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6723.852032][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6723.852032][ T3767] netlink_rcv_skb+0x130/0x360 [ 6723.852032][ T3767] netlink_unicast+0x449/0x710 [ 6723.852032][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6723.852032][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6723.852032][ T3767] ___sys_sendmsg+0xee/0x170 [ 6723.852032][ T3767] __sys_sendmsg+0xcd/0x170 [ 6723.852032][ T3767] do_syscall_64+0xc6/0x1e0 [ 6723.852032][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6723.852032][ T3767] [ 6734.031939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6734.032459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6734.032459][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6734.032459][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6734.032459][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6734.032459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6734.032459][ T3767] ip6_route_add+0x1c/0x140 [ 6734.032459][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6734.032459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.032459][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.032459][ T3767] netlink_unicast+0x449/0x710 [ 6734.032459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.032459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.032459][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.032459][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.032459][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.032459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.032459][ T3767] [ 6734.034784][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6734.034784][ T3767] netdev_get_by_index+0x5e/0x80 [ 6734.034784][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6734.034784][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6734.034784][ T3767] ip6_route_add+0x1c/0x140 [ 6734.034784][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6734.034784][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6734.034784][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.034784][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.034784][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.034784][ T3767] netlink_unicast+0x449/0x710 [ 6734.034784][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.034784][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.034784][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.034784][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.034784][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.034784][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.034784][ T3767] [ 6734.037274][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6734.037274][ T3767] netdev_get_by_index+0x5e/0x80 [ 6734.037274][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6734.037274][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6734.037274][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6734.037274][ T3767] ipv6_add_addr+0x411/0x2000 [ 6734.037274][ T3767] inet6_addr_add+0x30e/0xa40 [ 6734.037274][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.037274][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.037274][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.037274][ T3767] netlink_unicast+0x449/0x710 [ 6734.037274][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.037274][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.037274][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.037274][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.037274][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.037274][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.037274][ T3767] [ 6734.039723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6734.039723][ T3767] netdev_get_by_index+0x5e/0x80 [ 6734.039723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6734.039723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6734.039723][ T3767] ip6_route_add+0x1c/0x140 [ 6734.039723][ T3767] addrconf_add_mroute+0x129/0x180 [ 6734.039723][ T3767] addrconf_add_dev+0xe2/0x170 [ 6734.039723][ T3767] inet6_addr_add+0x12f/0xa40 [ 6734.039723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6734.039723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.039723][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.039723][ T3767] netlink_unicast+0x449/0x710 [ 6734.039723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.039723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.039723][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.039723][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.039723][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.039723][ T3767] [ 6734.042134][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6734.042134][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6734.042134][ T3767] ipv6_find_idev+0x102/0x170 [ 6734.042134][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.042134][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.042134][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.042134][ T3767] netlink_unicast+0x449/0x710 [ 6734.042134][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.042134][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.042134][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.042134][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.042134][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.042134][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.042134][ T3767] [ 6734.044032][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6734.044032][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6734.044032][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6734.044032][ T3767] ipv6_find_idev+0x102/0x170 [ 6734.044032][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6734.044032][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6734.044032][ T3767] netlink_rcv_skb+0x130/0x360 [ 6734.044032][ T3767] netlink_unicast+0x449/0x710 [ 6734.044032][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6734.044032][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6734.044032][ T3767] ___sys_sendmsg+0xee/0x170 [ 6734.044032][ T3767] __sys_sendmsg+0xcd/0x170 [ 6734.044032][ T3767] do_syscall_64+0xc6/0x1e0 [ 6734.044032][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6734.044032][ T3767] [ 6744.287936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6744.288456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6744.288456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6744.288456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6744.288456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6744.288456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6744.288456][ T3767] ip6_route_add+0x1c/0x140 [ 6744.288456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6744.288456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.288456][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.288456][ T3767] netlink_unicast+0x449/0x710 [ 6744.288456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.288456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.288456][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.288456][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.288456][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.288456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.288456][ T3767] [ 6744.290789][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6744.290789][ T3767] netdev_get_by_index+0x5e/0x80 [ 6744.290789][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6744.290789][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6744.290789][ T3767] ip6_route_add+0x1c/0x140 [ 6744.290789][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6744.290789][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6744.290789][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.290789][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.290789][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.290789][ T3767] netlink_unicast+0x449/0x710 [ 6744.290789][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.290789][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.290789][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.290789][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.290789][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.290789][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.290789][ T3767] [ 6744.293272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6744.293272][ T3767] netdev_get_by_index+0x5e/0x80 [ 6744.293272][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6744.293272][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6744.293272][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6744.293272][ T3767] ipv6_add_addr+0x411/0x2000 [ 6744.293272][ T3767] inet6_addr_add+0x30e/0xa40 [ 6744.293272][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.293272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.293272][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.293272][ T3767] netlink_unicast+0x449/0x710 [ 6744.293272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.293272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.293272][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.293272][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.293272][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.293272][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.293272][ T3767] [ 6744.295726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6744.295726][ T3767] netdev_get_by_index+0x5e/0x80 [ 6744.295726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6744.295726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6744.295726][ T3767] ip6_route_add+0x1c/0x140 [ 6744.295726][ T3767] addrconf_add_mroute+0x129/0x180 [ 6744.295726][ T3767] addrconf_add_dev+0xe2/0x170 [ 6744.295726][ T3767] inet6_addr_add+0x12f/0xa40 [ 6744.295726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6744.295726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.295726][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.295726][ T3767] netlink_unicast+0x449/0x710 [ 6744.295726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.295726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.295726][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.295726][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.295726][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.295726][ T3767] [ 6744.298157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6744.298157][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6744.298157][ T3767] ipv6_find_idev+0x102/0x170 [ 6744.298157][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.298157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.298157][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.298157][ T3767] netlink_unicast+0x449/0x710 [ 6744.298157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.298157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.298157][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.298157][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.298157][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.298157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.298157][ T3767] [ 6744.300055][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6744.300055][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6744.300055][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6744.300055][ T3767] ipv6_find_idev+0x102/0x170 [ 6744.300055][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6744.300055][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6744.300055][ T3767] netlink_rcv_skb+0x130/0x360 [ 6744.300055][ T3767] netlink_unicast+0x449/0x710 [ 6744.300055][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6744.300055][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6744.300055][ T3767] ___sys_sendmsg+0xee/0x170 [ 6744.300055][ T3767] __sys_sendmsg+0xcd/0x170 [ 6744.300055][ T3767] do_syscall_64+0xc6/0x1e0 [ 6744.300055][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6744.300055][ T3767] [ 6754.544020][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6754.544481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6754.544481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6754.544481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6754.544481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6754.544481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6754.544481][ T3767] ip6_route_add+0x1c/0x140 [ 6754.544481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6754.544481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.544481][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.544481][ T3767] netlink_unicast+0x449/0x710 [ 6754.544481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.544481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.544481][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.544481][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.544481][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.544481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.544481][ T3767] [ 6754.546837][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6754.546837][ T3767] netdev_get_by_index+0x5e/0x80 [ 6754.546837][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6754.546837][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6754.546837][ T3767] ip6_route_add+0x1c/0x140 [ 6754.546837][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6754.546837][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6754.546837][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6754.546837][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.546837][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.546837][ T3767] netlink_unicast+0x449/0x710 [ 6754.546837][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.546837][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.546837][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.546837][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.546837][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.546837][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.546837][ T3767] [ 6754.549291][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6754.549291][ T3767] netdev_get_by_index+0x5e/0x80 [ 6754.549291][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6754.549291][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6754.549291][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6754.549291][ T3767] ipv6_add_addr+0x411/0x2000 [ 6754.549291][ T3767] inet6_addr_add+0x30e/0xa40 [ 6754.549291][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6754.549291][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.549291][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.549291][ T3767] netlink_unicast+0x449/0x710 [ 6754.549291][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.549291][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.549291][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.549291][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.549291][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.549291][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.549291][ T3767] [ 6754.551748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6754.551748][ T3767] netdev_get_by_index+0x5e/0x80 [ 6754.551748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6754.551748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6754.551748][ T3767] ip6_route_add+0x1c/0x140 [ 6754.551748][ T3767] addrconf_add_mroute+0x129/0x180 [ 6754.551748][ T3767] addrconf_add_dev+0xe2/0x170 [ 6754.551748][ T3767] inet6_addr_add+0x12f/0xa40 [ 6754.551748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6754.551748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.551748][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.551748][ T3767] netlink_unicast+0x449/0x710 [ 6754.551748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.551748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.551748][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.551748][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.551748][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.551748][ T3767] [ 6754.554167][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6754.554167][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6754.554167][ T3767] ipv6_find_idev+0x102/0x170 [ 6754.554167][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6754.554167][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.554167][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.554167][ T3767] netlink_unicast+0x449/0x710 [ 6754.554167][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.554167][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.554167][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.554167][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.554167][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.554167][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.554167][ T3767] [ 6754.556059][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6754.556059][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6754.556059][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6754.556059][ T3767] ipv6_find_idev+0x102/0x170 [ 6754.556059][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6754.556059][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6754.556059][ T3767] netlink_rcv_skb+0x130/0x360 [ 6754.556059][ T3767] netlink_unicast+0x449/0x710 [ 6754.556059][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6754.556059][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6754.556059][ T3767] ___sys_sendmsg+0xee/0x170 [ 6754.556059][ T3767] __sys_sendmsg+0xcd/0x170 [ 6754.556059][ T3767] do_syscall_64+0xc6/0x1e0 [ 6754.556059][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6754.556059][ T3767] [ 6764.799936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6764.800479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6764.800479][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6764.800479][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6764.800479][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6764.800479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6764.800479][ T3767] ip6_route_add+0x1c/0x140 [ 6764.800479][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6764.800479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.800479][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.800479][ T3767] netlink_unicast+0x449/0x710 [ 6764.800479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.800479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.800479][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.800479][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.800479][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.800479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.800479][ T3767] [ 6764.802839][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6764.802839][ T3767] netdev_get_by_index+0x5e/0x80 [ 6764.802839][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6764.802839][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6764.802839][ T3767] ip6_route_add+0x1c/0x140 [ 6764.802839][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6764.802839][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6764.802839][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.802839][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.802839][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.802839][ T3767] netlink_unicast+0x449/0x710 [ 6764.802839][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.802839][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.802839][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.802839][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.802839][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.802839][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.802839][ T3767] [ 6764.805335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6764.805335][ T3767] netdev_get_by_index+0x5e/0x80 [ 6764.805335][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6764.805335][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6764.805335][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6764.805335][ T3767] ipv6_add_addr+0x411/0x2000 [ 6764.805335][ T3767] inet6_addr_add+0x30e/0xa40 [ 6764.805335][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.805335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.805335][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.805335][ T3767] netlink_unicast+0x449/0x710 [ 6764.805335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.805335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.805335][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.805335][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.805335][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.805335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.805335][ T3767] [ 6764.807796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6764.807796][ T3767] netdev_get_by_index+0x5e/0x80 [ 6764.807796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6764.807796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6764.807796][ T3767] ip6_route_add+0x1c/0x140 [ 6764.807796][ T3767] addrconf_add_mroute+0x129/0x180 [ 6764.807796][ T3767] addrconf_add_dev+0xe2/0x170 [ 6764.807796][ T3767] inet6_addr_add+0x12f/0xa40 [ 6764.807796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6764.807796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.807796][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.807796][ T3767] netlink_unicast+0x449/0x710 [ 6764.807796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.807796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.807796][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.807796][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.807796][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.807796][ T3767] [ 6764.810199][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6764.810199][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6764.810199][ T3767] ipv6_find_idev+0x102/0x170 [ 6764.810199][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6764.810199][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.810199][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.810199][ T3767] netlink_unicast+0x449/0x710 [ 6764.810199][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.810199][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.810199][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.810199][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.810199][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.810199][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.810199][ T3767] [ 6764.812085][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6764.812085][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6764.812085][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6764.812085][ T3767] ipv6_find_idev+0x102/0x170 [ 6764.812085][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6764.812085][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6764.812085][ T3767] netlink_rcv_skb+0x130/0x360 [ 6764.812085][ T3767] netlink_unicast+0x449/0x710 [ 6764.812085][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6764.812085][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6764.812085][ T3767] ___sys_sendmsg+0xee/0x170 [ 6764.812085][ T3767] __sys_sendmsg+0xcd/0x170 [ 6764.812085][ T3767] do_syscall_64+0xc6/0x1e0 [ 6764.812085][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6764.812085][ T3767] [ 6775.055956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6775.056499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6775.056499][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6775.056499][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6775.056499][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6775.056499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6775.056499][ T3767] ip6_route_add+0x1c/0x140 [ 6775.056499][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6775.056499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.056499][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.056499][ T3767] netlink_unicast+0x449/0x710 [ 6775.056499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.056499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.056499][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.056499][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.056499][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.056499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.056499][ T3767] [ 6775.058835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6775.058835][ T3767] netdev_get_by_index+0x5e/0x80 [ 6775.058835][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6775.058835][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6775.058835][ T3767] ip6_route_add+0x1c/0x140 [ 6775.058835][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6775.058835][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6775.058835][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.058835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.058835][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.058835][ T3767] netlink_unicast+0x449/0x710 [ 6775.058835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.058835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.058835][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.058835][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.058835][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.058835][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.058835][ T3767] [ 6775.061277][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6775.061277][ T3767] netdev_get_by_index+0x5e/0x80 [ 6775.061277][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6775.061277][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6775.061277][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6775.061277][ T3767] ipv6_add_addr+0x411/0x2000 [ 6775.061277][ T3767] inet6_addr_add+0x30e/0xa40 [ 6775.061277][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.061277][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.061277][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.061277][ T3767] netlink_unicast+0x449/0x710 [ 6775.061277][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.061277][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.061277][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.061277][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.061277][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.061277][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.061277][ T3767] [ 6775.063717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6775.063717][ T3767] netdev_get_by_index+0x5e/0x80 [ 6775.063717][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6775.063717][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6775.063717][ T3767] ip6_route_add+0x1c/0x140 [ 6775.063717][ T3767] addrconf_add_mroute+0x129/0x180 [ 6775.063717][ T3767] addrconf_add_dev+0xe2/0x170 [ 6775.063717][ T3767] inet6_addr_add+0x12f/0xa40 [ 6775.063717][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6775.063717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.063717][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.063717][ T3767] netlink_unicast+0x449/0x710 [ 6775.063717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.063717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.063717][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.063717][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.063717][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.063717][ T3767] [ 6775.066152][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6775.066152][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6775.066152][ T3767] ipv6_find_idev+0x102/0x170 [ 6775.066152][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.066152][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.066152][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.066152][ T3767] netlink_unicast+0x449/0x710 [ 6775.066152][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.066152][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.066152][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.066152][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.066152][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.066152][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.066152][ T3767] [ 6775.068031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6775.068031][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6775.068031][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6775.068031][ T3767] ipv6_find_idev+0x102/0x170 [ 6775.068031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6775.068031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6775.068031][ T3767] netlink_rcv_skb+0x130/0x360 [ 6775.068031][ T3767] netlink_unicast+0x449/0x710 [ 6775.068031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6775.068031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6775.068031][ T3767] ___sys_sendmsg+0xee/0x170 [ 6775.068031][ T3767] __sys_sendmsg+0xcd/0x170 [ 6775.068031][ T3767] do_syscall_64+0xc6/0x1e0 [ 6775.068031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6775.068031][ T3767] [ 6785.311942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6785.312460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6785.312460][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6785.312460][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6785.312460][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6785.312460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6785.312460][ T3767] ip6_route_add+0x1c/0x140 [ 6785.312460][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6785.312460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.312460][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.312460][ T3767] netlink_unicast+0x449/0x710 [ 6785.312460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.312460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.312460][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.312460][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.312460][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.312460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.312460][ T3767] [ 6785.314796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6785.314796][ T3767] netdev_get_by_index+0x5e/0x80 [ 6785.314796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6785.314796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6785.314796][ T3767] ip6_route_add+0x1c/0x140 [ 6785.314796][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6785.314796][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6785.314796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.314796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.314796][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.314796][ T3767] netlink_unicast+0x449/0x710 [ 6785.314796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.314796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.314796][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.314796][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.314796][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.314796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.314796][ T3767] [ 6785.317222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6785.317222][ T3767] netdev_get_by_index+0x5e/0x80 [ 6785.317222][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6785.317222][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6785.317222][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6785.317222][ T3767] ipv6_add_addr+0x411/0x2000 [ 6785.317222][ T3767] inet6_addr_add+0x30e/0xa40 [ 6785.317222][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.317222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.317222][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.317222][ T3767] netlink_unicast+0x449/0x710 [ 6785.317222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.317222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.317222][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.317222][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.317222][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.317222][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.317222][ T3767] [ 6785.320170][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6785.320170][ T3767] netdev_get_by_index+0x5e/0x80 [ 6785.320170][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6785.320170][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6785.320170][ T3767] ip6_route_add+0x1c/0x140 [ 6785.320170][ T3767] addrconf_add_mroute+0x129/0x180 [ 6785.320170][ T3767] addrconf_add_dev+0xe2/0x170 [ 6785.320170][ T3767] inet6_addr_add+0x12f/0xa40 [ 6785.320170][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6785.320170][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.320170][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.320170][ T3767] netlink_unicast+0x449/0x710 [ 6785.320170][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.320170][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.320170][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.320170][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.320170][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.320170][ T3767] [ 6785.322580][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6785.322580][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6785.322580][ T3767] ipv6_find_idev+0x102/0x170 [ 6785.322580][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.322580][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.322580][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.322580][ T3767] netlink_unicast+0x449/0x710 [ 6785.322580][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.322580][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.322580][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.322580][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.322580][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.322580][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.322580][ T3767] [ 6785.324460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6785.324460][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6785.324460][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6785.324460][ T3767] ipv6_find_idev+0x102/0x170 [ 6785.324460][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6785.324460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6785.324460][ T3767] netlink_rcv_skb+0x130/0x360 [ 6785.324460][ T3767] netlink_unicast+0x449/0x710 [ 6785.324460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6785.324460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6785.324460][ T3767] ___sys_sendmsg+0xee/0x170 [ 6785.324460][ T3767] __sys_sendmsg+0xcd/0x170 [ 6785.324460][ T3767] do_syscall_64+0xc6/0x1e0 [ 6785.324460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6785.324460][ T3767] [ 6795.327935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6795.328519][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6795.328519][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6795.328519][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6795.328519][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6795.328519][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6795.328519][ T3767] ip6_route_add+0x1c/0x140 [ 6795.328519][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6795.328519][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.328519][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.328519][ T3767] netlink_unicast+0x449/0x710 [ 6795.328519][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.328519][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.328519][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.328519][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.328519][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.328519][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6795.328519][ T3767] [ 6795.330847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6795.330847][ T3767] netdev_get_by_index+0x5e/0x80 [ 6795.330847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6795.330847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6795.330847][ T3767] ip6_route_add+0x1c/0x140 [ 6795.330847][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6795.330847][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6795.330847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6795.330847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.330847][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.330847][ T3767] netlink_unicast+0x449/0x710 [ 6795.330847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.330847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.330847][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.330847][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.330847][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.330847][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6795.330847][ T3767] [ 6795.333315][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6795.333315][ T3767] netdev_get_by_index+0x5e/0x80 [ 6795.333315][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6795.333315][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6795.333315][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6795.333315][ T3767] ipv6_add_addr+0x411/0x2000 [ 6795.333315][ T3767] inet6_addr_add+0x30e/0xa40 [ 6795.333315][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6795.333315][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.333315][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.333315][ T3767] netlink_unicast+0x449/0x710 [ 6795.333315][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.333315][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.333315][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.333315][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.333315][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.333315][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6795.333315][ T3767] [ 6795.335796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6795.335796][ T3767] netdev_get_by_index+0x5e/0x80 [ 6795.335796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6795.335796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6795.335796][ T3767] ip6_route_add+0x1c/0x140 [ 6795.335796][ T3767] addrconf_add_mroute+0x129/0x180 [ 6795.335796][ T3767] addrconf_add_dev+0xe2/0x170 [ 6795.335796][ T3767] inet6_addr_add+0x12f/0xa40 [ 6795.335796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6795.335796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.335796][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.335796][ T3767] netlink_unicast+0x449/0x710 [ 6795.335796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.335796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.335796][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.335796][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.335796][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.335796][ T3767] [ 6795.338213][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6795.338213][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6795.338213][ T3767] ipv6_find_idev+0x102/0x170 [ 6795.338213][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6795.338213][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.338213][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.338213][ T3767] netlink_unicast+0x449/0x710 [ 6795.338213][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.338213][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.338213][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.338213][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.338213][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.338213][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6795.338213][ T3767] [ 6795.340109][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6795.340109][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6795.340109][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6795.340109][ T3767] ipv6_find_idev+0x102/0x170 [ 6795.340109][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6795.340109][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6795.340109][ T3767] netlink_rcv_skb+0x130/0x360 [ 6795.340109][ T3767] netlink_unicast+0x449/0x710 [ 6795.340109][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6795.340109][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6795.340109][ T3767] ___sys_sendmsg+0xee/0x170 [ 6795.340109][ T3767] __sys_sendmsg+0xcd/0x170 [ 6795.340109][ T3767] do_syscall_64+0xc6/0x1e0 [ 6795.340109][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6795.340109][ T3767] [ 6805.583971][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6805.584511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6805.584511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6805.584511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6805.584511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6805.584511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6805.584511][ T3767] ip6_route_add+0x1c/0x140 [ 6805.584511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6805.584511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.584511][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.584511][ T3767] netlink_unicast+0x449/0x710 [ 6805.584511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.584511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.584511][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.584511][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.584511][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.584511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.584511][ T3767] [ 6805.586855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6805.586855][ T3767] netdev_get_by_index+0x5e/0x80 [ 6805.586855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6805.586855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6805.586855][ T3767] ip6_route_add+0x1c/0x140 [ 6805.586855][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6805.586855][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6805.586855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.586855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.586855][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.586855][ T3767] netlink_unicast+0x449/0x710 [ 6805.586855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.586855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.586855][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.586855][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.586855][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.586855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.586855][ T3767] [ 6805.589338][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6805.589338][ T3767] netdev_get_by_index+0x5e/0x80 [ 6805.589338][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6805.589338][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6805.589338][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6805.589338][ T3767] ipv6_add_addr+0x411/0x2000 [ 6805.589338][ T3767] inet6_addr_add+0x30e/0xa40 [ 6805.589338][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.589338][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.589338][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.589338][ T3767] netlink_unicast+0x449/0x710 [ 6805.589338][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.589338][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.589338][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.589338][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.589338][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.589338][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.589338][ T3767] [ 6805.591909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6805.591909][ T3767] netdev_get_by_index+0x5e/0x80 [ 6805.591909][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6805.591909][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6805.591909][ T3767] ip6_route_add+0x1c/0x140 [ 6805.591909][ T3767] addrconf_add_mroute+0x129/0x180 [ 6805.591909][ T3767] addrconf_add_dev+0xe2/0x170 [ 6805.591909][ T3767] inet6_addr_add+0x12f/0xa40 [ 6805.591909][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6805.591909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.591909][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.591909][ T3767] netlink_unicast+0x449/0x710 [ 6805.591909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.591909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.591909][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.591909][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.591909][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.591909][ T3767] [ 6805.594349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6805.594349][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6805.594349][ T3767] ipv6_find_idev+0x102/0x170 [ 6805.594349][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6805.594349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.594349][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.594349][ T3767] netlink_unicast+0x449/0x710 [ 6805.594349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.594349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.594349][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.594349][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.594349][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.594349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.594349][ T3767] [ 6805.596247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6805.596247][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6805.596247][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6805.596247][ T3767] ipv6_find_idev+0x102/0x170 [ 6805.596247][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6805.596247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6805.596247][ T3767] netlink_rcv_skb+0x130/0x360 [ 6805.596247][ T3767] netlink_unicast+0x449/0x710 [ 6805.596247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6805.596247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6805.596247][ T3767] ___sys_sendmsg+0xee/0x170 [ 6805.596247][ T3767] __sys_sendmsg+0xcd/0x170 [ 6805.596247][ T3767] do_syscall_64+0xc6/0x1e0 [ 6805.596247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6805.596247][ T3767] [ 6815.839885][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6815.840420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6815.840420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6815.840420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6815.840420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6815.840420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6815.840420][ T3767] ip6_route_add+0x1c/0x140 [ 6815.840420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6815.840420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.840420][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.840420][ T3767] netlink_unicast+0x449/0x710 [ 6815.840420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.840420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.840420][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.840420][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.840420][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.840420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.840420][ T3767] [ 6815.842754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6815.842754][ T3767] netdev_get_by_index+0x5e/0x80 [ 6815.842754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6815.842754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6815.842754][ T3767] ip6_route_add+0x1c/0x140 [ 6815.842754][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6815.842754][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6815.842754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.842754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.842754][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.842754][ T3767] netlink_unicast+0x449/0x710 [ 6815.842754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.842754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.842754][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.842754][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.842754][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.842754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.842754][ T3767] [ 6815.845234][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6815.845234][ T3767] netdev_get_by_index+0x5e/0x80 [ 6815.845234][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6815.845234][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6815.845234][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6815.845234][ T3767] ipv6_add_addr+0x411/0x2000 [ 6815.845234][ T3767] inet6_addr_add+0x30e/0xa40 [ 6815.845234][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.845234][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.845234][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.845234][ T3767] netlink_unicast+0x449/0x710 [ 6815.845234][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.845234][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.845234][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.845234][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.845234][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.845234][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.845234][ T3767] [ 6815.847727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6815.847727][ T3767] netdev_get_by_index+0x5e/0x80 [ 6815.847727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6815.847727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6815.847727][ T3767] ip6_route_add+0x1c/0x140 [ 6815.847727][ T3767] addrconf_add_mroute+0x129/0x180 [ 6815.847727][ T3767] addrconf_add_dev+0xe2/0x170 [ 6815.847727][ T3767] inet6_addr_add+0x12f/0xa40 [ 6815.847727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6815.847727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.847727][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.847727][ T3767] netlink_unicast+0x449/0x710 [ 6815.847727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.847727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.847727][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.847727][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.847727][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.847727][ T3767] [ 6815.850176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6815.850176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6815.850176][ T3767] ipv6_find_idev+0x102/0x170 [ 6815.850176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6815.850176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.850176][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.850176][ T3767] netlink_unicast+0x449/0x710 [ 6815.850176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.850176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.850176][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.850176][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.850176][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.850176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.850176][ T3767] [ 6815.852068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6815.852068][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6815.852068][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6815.852068][ T3767] ipv6_find_idev+0x102/0x170 [ 6815.852068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6815.852068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6815.852068][ T3767] netlink_rcv_skb+0x130/0x360 [ 6815.852068][ T3767] netlink_unicast+0x449/0x710 [ 6815.852068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6815.852068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6815.852068][ T3767] ___sys_sendmsg+0xee/0x170 [ 6815.852068][ T3767] __sys_sendmsg+0xcd/0x170 [ 6815.852068][ T3767] do_syscall_64+0xc6/0x1e0 [ 6815.852068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6815.852068][ T3767] [ 6825.911935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6825.912404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6825.912404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6825.912404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6825.912404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6825.912404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6825.912404][ T3767] ip6_route_add+0x1c/0x140 [ 6825.912404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6825.912404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.912404][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.912404][ T3767] netlink_unicast+0x449/0x710 [ 6825.912404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.912404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.912404][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.912404][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.912404][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.912404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.912404][ T3767] [ 6825.914753][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6825.914753][ T3767] netdev_get_by_index+0x5e/0x80 [ 6825.914753][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6825.914753][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6825.914753][ T3767] ip6_route_add+0x1c/0x140 [ 6825.914753][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6825.914753][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6825.914753][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.914753][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.914753][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.914753][ T3767] netlink_unicast+0x449/0x710 [ 6825.914753][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.914753][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.914753][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.914753][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.914753][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.914753][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.914753][ T3767] [ 6825.917286][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6825.917286][ T3767] netdev_get_by_index+0x5e/0x80 [ 6825.917286][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6825.917286][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6825.917286][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6825.917286][ T3767] ipv6_add_addr+0x411/0x2000 [ 6825.917286][ T3767] inet6_addr_add+0x30e/0xa40 [ 6825.917286][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.917286][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.917286][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.917286][ T3767] netlink_unicast+0x449/0x710 [ 6825.917286][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.917286][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.917286][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.917286][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.917286][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.917286][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.917286][ T3767] [ 6825.919738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6825.919738][ T3767] netdev_get_by_index+0x5e/0x80 [ 6825.919738][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6825.919738][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6825.919738][ T3767] ip6_route_add+0x1c/0x140 [ 6825.919738][ T3767] addrconf_add_mroute+0x129/0x180 [ 6825.919738][ T3767] addrconf_add_dev+0xe2/0x170 [ 6825.919738][ T3767] inet6_addr_add+0x12f/0xa40 [ 6825.919738][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6825.919738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.919738][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.919738][ T3767] netlink_unicast+0x449/0x710 [ 6825.919738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.919738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.919738][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.919738][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.919738][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.919738][ T3767] [ 6825.922152][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6825.922152][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6825.922152][ T3767] ipv6_find_idev+0x102/0x170 [ 6825.922152][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6825.922152][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.922152][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.922152][ T3767] netlink_unicast+0x449/0x710 [ 6825.922152][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.922152][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.922152][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.922152][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.922152][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.922152][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.922152][ T3767] [ 6825.924027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6825.924027][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6825.924027][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6825.924027][ T3767] ipv6_find_idev+0x102/0x170 [ 6825.924027][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6825.924027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6825.924027][ T3767] netlink_rcv_skb+0x130/0x360 [ 6825.924027][ T3767] netlink_unicast+0x449/0x710 [ 6825.924027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6825.924027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6825.924027][ T3767] ___sys_sendmsg+0xee/0x170 [ 6825.924027][ T3767] __sys_sendmsg+0xcd/0x170 [ 6825.924027][ T3767] do_syscall_64+0xc6/0x1e0 [ 6825.924027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6825.924027][ T3767] [ 6836.127938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6836.128473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6836.128473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6836.128473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6836.128473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6836.128473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6836.128473][ T3767] ip6_route_add+0x1c/0x140 [ 6836.128473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6836.128473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.128473][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.128473][ T3767] netlink_unicast+0x449/0x710 [ 6836.128473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.128473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.128473][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.128473][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.128473][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.128473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6836.128473][ T3767] [ 6836.130787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6836.130787][ T3767] netdev_get_by_index+0x5e/0x80 [ 6836.130787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6836.130787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6836.130787][ T3767] ip6_route_add+0x1c/0x140 [ 6836.130787][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6836.130787][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6836.130787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6836.130787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.130787][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.130787][ T3767] netlink_unicast+0x449/0x710 [ 6836.130787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.130787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.130787][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.130787][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.130787][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.130787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6836.130787][ T3767] [ 6836.133746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6836.133746][ T3767] netdev_get_by_index+0x5e/0x80 [ 6836.133746][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6836.133746][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6836.133746][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6836.133746][ T3767] ipv6_add_addr+0x411/0x2000 [ 6836.133746][ T3767] inet6_addr_add+0x30e/0xa40 [ 6836.133746][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6836.133746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.133746][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.133746][ T3767] netlink_unicast+0x449/0x710 [ 6836.133746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.133746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.133746][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.133746][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.133746][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.133746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6836.133746][ T3767] [ 6836.136869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6836.136869][ T3767] netdev_get_by_index+0x5e/0x80 [ 6836.136869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6836.136869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6836.136869][ T3767] ip6_route_add+0x1c/0x140 [ 6836.136869][ T3767] addrconf_add_mroute+0x129/0x180 [ 6836.136869][ T3767] addrconf_add_dev+0xe2/0x170 [ 6836.136869][ T3767] inet6_addr_add+0x12f/0xa40 [ 6836.136869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6836.136869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.136869][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.136869][ T3767] netlink_unicast+0x449/0x710 [ 6836.136869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.136869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.136869][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.136869][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.136869][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.136869][ T3767] [ 6836.139284][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6836.139284][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6836.139284][ T3767] ipv6_find_idev+0x102/0x170 [ 6836.139284][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6836.139284][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.139284][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.139284][ T3767] netlink_unicast+0x449/0x710 [ 6836.139284][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.139284][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.139284][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.139284][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.139284][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.139284][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6836.139284][ T3767] [ 6836.141163][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6836.141163][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6836.141163][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6836.141163][ T3767] ipv6_find_idev+0x102/0x170 [ 6836.141163][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6836.141163][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6836.141163][ T3767] netlink_rcv_skb+0x130/0x360 [ 6836.141163][ T3767] netlink_unicast+0x449/0x710 [ 6836.141163][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6836.141163][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6836.141163][ T3767] ___sys_sendmsg+0xee/0x170 [ 6836.141163][ T3767] __sys_sendmsg+0xcd/0x170 [ 6836.141163][ T3767] do_syscall_64+0xc6/0x1e0 [ 6836.141163][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6836.141163][ T3767] [ 6846.359878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6846.360398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6846.360398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6846.360398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6846.360398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6846.360398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6846.360398][ T3767] ip6_route_add+0x1c/0x140 [ 6846.360398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6846.360398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.360398][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.360398][ T3767] netlink_unicast+0x449/0x710 [ 6846.360398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.360398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.360398][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.360398][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.360398][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.360398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.360398][ T3767] [ 6846.362723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6846.362723][ T3767] netdev_get_by_index+0x5e/0x80 [ 6846.362723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6846.362723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6846.362723][ T3767] ip6_route_add+0x1c/0x140 [ 6846.362723][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6846.362723][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6846.362723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.362723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.362723][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.362723][ T3767] netlink_unicast+0x449/0x710 [ 6846.362723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.362723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.362723][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.362723][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.362723][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.362723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.362723][ T3767] [ 6846.365204][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6846.365204][ T3767] netdev_get_by_index+0x5e/0x80 [ 6846.365204][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6846.365204][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6846.365204][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6846.365204][ T3767] ipv6_add_addr+0x411/0x2000 [ 6846.365204][ T3767] inet6_addr_add+0x30e/0xa40 [ 6846.365204][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.365204][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.365204][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.365204][ T3767] netlink_unicast+0x449/0x710 [ 6846.365204][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.365204][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.365204][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.365204][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.365204][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.365204][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.365204][ T3767] [ 6846.367755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6846.367755][ T3767] netdev_get_by_index+0x5e/0x80 [ 6846.367755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6846.367755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6846.367755][ T3767] ip6_route_add+0x1c/0x140 [ 6846.367755][ T3767] addrconf_add_mroute+0x129/0x180 [ 6846.367755][ T3767] addrconf_add_dev+0xe2/0x170 [ 6846.367755][ T3767] inet6_addr_add+0x12f/0xa40 [ 6846.367755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6846.367755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.367755][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.367755][ T3767] netlink_unicast+0x449/0x710 [ 6846.367755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.367755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.367755][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.367755][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.367755][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.367755][ T3767] [ 6846.370181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6846.370181][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6846.370181][ T3767] ipv6_find_idev+0x102/0x170 [ 6846.370181][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6846.370181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.370181][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.370181][ T3767] netlink_unicast+0x449/0x710 [ 6846.370181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.370181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.370181][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.370181][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.370181][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.370181][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.370181][ T3767] [ 6846.372080][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6846.372080][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6846.372080][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6846.372080][ T3767] ipv6_find_idev+0x102/0x170 [ 6846.372080][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6846.372080][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6846.372080][ T3767] netlink_rcv_skb+0x130/0x360 [ 6846.372080][ T3767] netlink_unicast+0x449/0x710 [ 6846.372080][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6846.372080][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6846.372080][ T3767] ___sys_sendmsg+0xee/0x170 [ 6846.372080][ T3767] __sys_sendmsg+0xcd/0x170 [ 6846.372080][ T3767] do_syscall_64+0xc6/0x1e0 [ 6846.372080][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6846.372080][ T3767] [ 6856.615944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6856.616449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6856.616449][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6856.616449][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6856.616449][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6856.616449][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6856.616449][ T3767] ip6_route_add+0x1c/0x140 [ 6856.616449][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6856.616449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.616449][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.616449][ T3767] netlink_unicast+0x449/0x710 [ 6856.616449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.616449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.616449][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.616449][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.616449][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.616449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.616449][ T3767] [ 6856.618584][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6856.618584][ T3767] netdev_get_by_index+0x5e/0x80 [ 6856.618584][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6856.618584][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6856.618584][ T3767] ip6_route_add+0x1c/0x140 [ 6856.618584][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6856.618584][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6856.618584][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.618584][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.618584][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.618584][ T3767] netlink_unicast+0x449/0x710 [ 6856.618584][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.618584][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.618584][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.618584][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.618584][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.618584][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.618584][ T3767] [ 6856.620798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6856.620798][ T3767] netdev_get_by_index+0x5e/0x80 [ 6856.620798][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6856.620798][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6856.620798][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6856.620798][ T3767] ipv6_add_addr+0x411/0x2000 [ 6856.620798][ T3767] inet6_addr_add+0x30e/0xa40 [ 6856.620798][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.620798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.620798][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.620798][ T3767] netlink_unicast+0x449/0x710 [ 6856.620798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.620798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.620798][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.620798][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.620798][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.620798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.620798][ T3767] [ 6856.623019][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6856.623019][ T3767] netdev_get_by_index+0x5e/0x80 [ 6856.623019][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6856.623019][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6856.623019][ T3767] ip6_route_add+0x1c/0x140 [ 6856.623019][ T3767] addrconf_add_mroute+0x129/0x180 [ 6856.623019][ T3767] addrconf_add_dev+0xe2/0x170 [ 6856.623019][ T3767] inet6_addr_add+0x12f/0xa40 [ 6856.623019][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6856.623019][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.623019][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.623019][ T3767] netlink_unicast+0x449/0x710 [ 6856.623019][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.623019][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.623019][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.623019][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.623019][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.623019][ T3767] [ 6856.625209][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6856.625209][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6856.625209][ T3767] ipv6_find_idev+0x102/0x170 [ 6856.625209][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6856.625209][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.625209][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.625209][ T3767] netlink_unicast+0x449/0x710 [ 6856.625209][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.625209][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.625209][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.625209][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.625209][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.625209][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.625209][ T3767] [ 6856.626918][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6856.626918][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6856.626918][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6856.626918][ T3767] ipv6_find_idev+0x102/0x170 [ 6856.626918][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6856.626918][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6856.626918][ T3767] netlink_rcv_skb+0x130/0x360 [ 6856.626918][ T3767] netlink_unicast+0x449/0x710 [ 6856.626918][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6856.626918][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6856.626918][ T3767] ___sys_sendmsg+0xee/0x170 [ 6856.626918][ T3767] __sys_sendmsg+0xcd/0x170 [ 6856.626918][ T3767] do_syscall_64+0xc6/0x1e0 [ 6856.626918][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6856.626918][ T3767] [ 6866.863942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6866.864489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6866.864489][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6866.864489][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6866.864489][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6866.864489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6866.864489][ T3767] ip6_route_add+0x1c/0x140 [ 6866.864489][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6866.864489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.864489][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.864489][ T3767] netlink_unicast+0x449/0x710 [ 6866.864489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.864489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.864489][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.864489][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.864489][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.864489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.864489][ T3767] [ 6866.866818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6866.866818][ T3767] netdev_get_by_index+0x5e/0x80 [ 6866.866818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6866.866818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6866.866818][ T3767] ip6_route_add+0x1c/0x140 [ 6866.866818][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6866.866818][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6866.866818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.866818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.866818][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.866818][ T3767] netlink_unicast+0x449/0x710 [ 6866.866818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.866818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.866818][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.866818][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.866818][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.866818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.866818][ T3767] [ 6866.869269][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6866.869269][ T3767] netdev_get_by_index+0x5e/0x80 [ 6866.869269][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6866.869269][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6866.869269][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6866.869269][ T3767] ipv6_add_addr+0x411/0x2000 [ 6866.869269][ T3767] inet6_addr_add+0x30e/0xa40 [ 6866.869269][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.869269][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.869269][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.869269][ T3767] netlink_unicast+0x449/0x710 [ 6866.869269][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.869269][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.869269][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.869269][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.869269][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.869269][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.869269][ T3767] [ 6866.871749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6866.871749][ T3767] netdev_get_by_index+0x5e/0x80 [ 6866.871749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6866.871749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6866.871749][ T3767] ip6_route_add+0x1c/0x140 [ 6866.871749][ T3767] addrconf_add_mroute+0x129/0x180 [ 6866.871749][ T3767] addrconf_add_dev+0xe2/0x170 [ 6866.871749][ T3767] inet6_addr_add+0x12f/0xa40 [ 6866.871749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6866.871749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.871749][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.871749][ T3767] netlink_unicast+0x449/0x710 [ 6866.871749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.871749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.871749][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.871749][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.871749][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.871749][ T3767] [ 6866.874170][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6866.874170][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6866.874170][ T3767] ipv6_find_idev+0x102/0x170 [ 6866.874170][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6866.874170][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.874170][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.874170][ T3767] netlink_unicast+0x449/0x710 [ 6866.874170][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.874170][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.874170][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.874170][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.874170][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.874170][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.874170][ T3767] [ 6866.876052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6866.876052][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6866.876052][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6866.876052][ T3767] ipv6_find_idev+0x102/0x170 [ 6866.876052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6866.876052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6866.876052][ T3767] netlink_rcv_skb+0x130/0x360 [ 6866.876052][ T3767] netlink_unicast+0x449/0x710 [ 6866.876052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6866.876052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6866.876052][ T3767] ___sys_sendmsg+0xee/0x170 [ 6866.876052][ T3767] __sys_sendmsg+0xcd/0x170 [ 6866.876052][ T3767] do_syscall_64+0xc6/0x1e0 [ 6866.876052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6866.876052][ T3767] [ 6877.095877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6877.096430][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6877.096430][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6877.096430][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6877.096430][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6877.096430][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6877.096430][ T3767] ip6_route_add+0x1c/0x140 [ 6877.096430][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6877.096430][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.096430][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.096430][ T3767] netlink_unicast+0x449/0x710 [ 6877.096430][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.096430][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.096430][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.096430][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.096430][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.096430][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6877.096430][ T3767] [ 6877.101113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6877.101113][ T3767] netdev_get_by_index+0x5e/0x80 [ 6877.101113][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6877.101113][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6877.101113][ T3767] ip6_route_add+0x1c/0x140 [ 6877.101113][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6877.101113][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6877.101113][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6877.101113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.101113][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.101113][ T3767] netlink_unicast+0x449/0x710 [ 6877.101113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.101113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.101113][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.101113][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.101113][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.101113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6877.101113][ T3767] [ 6877.103582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6877.103582][ T3767] netdev_get_by_index+0x5e/0x80 [ 6877.103582][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6877.103582][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6877.103582][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6877.103582][ T3767] ipv6_add_addr+0x411/0x2000 [ 6877.103582][ T3767] inet6_addr_add+0x30e/0xa40 [ 6877.103582][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6877.103582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.103582][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.103582][ T3767] netlink_unicast+0x449/0x710 [ 6877.103582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.103582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.103582][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.103582][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.103582][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.103582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6877.103582][ T3767] [ 6877.106047][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6877.106047][ T3767] netdev_get_by_index+0x5e/0x80 [ 6877.106047][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6877.106047][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6877.106047][ T3767] ip6_route_add+0x1c/0x140 [ 6877.106047][ T3767] addrconf_add_mroute+0x129/0x180 [ 6877.106047][ T3767] addrconf_add_dev+0xe2/0x170 [ 6877.106047][ T3767] inet6_addr_add+0x12f/0xa40 [ 6877.106047][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6877.106047][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.106047][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.106047][ T3767] netlink_unicast+0x449/0x710 [ 6877.106047][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.106047][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.106047][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.106047][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.106047][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.106047][ T3767] [ 6877.108494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6877.108494][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6877.108494][ T3767] ipv6_find_idev+0x102/0x170 [ 6877.108494][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6877.108494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.108494][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.108494][ T3767] netlink_unicast+0x449/0x710 [ 6877.108494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.108494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.108494][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.108494][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.108494][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.108494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6877.108494][ T3767] [ 6877.110394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6877.110394][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6877.110394][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6877.110394][ T3767] ipv6_find_idev+0x102/0x170 [ 6877.110394][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6877.110394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6877.110394][ T3767] netlink_rcv_skb+0x130/0x360 [ 6877.110394][ T3767] netlink_unicast+0x449/0x710 [ 6877.110394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6877.110394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6877.110394][ T3767] ___sys_sendmsg+0xee/0x170 [ 6877.110394][ T3767] __sys_sendmsg+0xcd/0x170 [ 6877.110394][ T3767] do_syscall_64+0xc6/0x1e0 [ 6877.110394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6877.110394][ T3767] [ 6887.351874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6887.352419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6887.352419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6887.352419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6887.352419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6887.352419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6887.352419][ T3767] ip6_route_add+0x1c/0x140 [ 6887.352419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6887.352419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.352419][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.352419][ T3767] netlink_unicast+0x449/0x710 [ 6887.352419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.352419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.352419][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.352419][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.352419][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.352419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6887.352419][ T3767] [ 6887.354761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6887.354761][ T3767] netdev_get_by_index+0x5e/0x80 [ 6887.354761][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6887.354761][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6887.354761][ T3767] ip6_route_add+0x1c/0x140 [ 6887.354761][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6887.354761][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6887.354761][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6887.354761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.354761][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.354761][ T3767] netlink_unicast+0x449/0x710 [ 6887.354761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.354761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.354761][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.354761][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.354761][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.354761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6887.354761][ T3767] [ 6887.357241][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6887.357241][ T3767] netdev_get_by_index+0x5e/0x80 [ 6887.357241][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6887.357241][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6887.357241][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6887.357241][ T3767] ipv6_add_addr+0x411/0x2000 [ 6887.357241][ T3767] inet6_addr_add+0x30e/0xa40 [ 6887.357241][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6887.357241][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.357241][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.357241][ T3767] netlink_unicast+0x449/0x710 [ 6887.357241][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.357241][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.357241][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.357241][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.357241][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.357241][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6887.357241][ T3767] [ 6887.359718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6887.359718][ T3767] netdev_get_by_index+0x5e/0x80 [ 6887.359718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6887.359718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6887.359718][ T3767] ip6_route_add+0x1c/0x140 [ 6887.359718][ T3767] addrconf_add_mroute+0x129/0x180 [ 6887.359718][ T3767] addrconf_add_dev+0xe2/0x170 [ 6887.359718][ T3767] inet6_addr_add+0x12f/0xa40 [ 6887.359718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6887.359718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.359718][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.359718][ T3767] netlink_unicast+0x449/0x710 [ 6887.359718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.359718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.359718][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.359718][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.359718][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.359718][ T3767] [ 6887.362158][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6887.362158][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6887.362158][ T3767] ipv6_find_idev+0x102/0x170 [ 6887.362158][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6887.362158][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.362158][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.362158][ T3767] netlink_unicast+0x449/0x710 [ 6887.362158][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.362158][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.362158][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.362158][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.362158][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.362158][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6887.362158][ T3767] [ 6887.364043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6887.364043][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6887.364043][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6887.364043][ T3767] ipv6_find_idev+0x102/0x170 [ 6887.364043][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6887.364043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6887.364043][ T3767] netlink_rcv_skb+0x130/0x360 [ 6887.364043][ T3767] netlink_unicast+0x449/0x710 [ 6887.364043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6887.364043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6887.364043][ T3767] ___sys_sendmsg+0xee/0x170 [ 6887.364043][ T3767] __sys_sendmsg+0xcd/0x170 [ 6887.364043][ T3767] do_syscall_64+0xc6/0x1e0 [ 6887.364043][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6887.364043][ T3767] [ 6897.607935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6897.608503][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6897.608503][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6897.608503][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6897.608503][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6897.608503][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6897.608503][ T3767] ip6_route_add+0x1c/0x140 [ 6897.608503][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6897.608503][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.608503][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.608503][ T3767] netlink_unicast+0x449/0x710 [ 6897.608503][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.608503][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.608503][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.608503][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.608503][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.608503][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.608503][ T3767] [ 6897.610861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6897.610861][ T3767] netdev_get_by_index+0x5e/0x80 [ 6897.610861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6897.610861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6897.610861][ T3767] ip6_route_add+0x1c/0x140 [ 6897.610861][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6897.610861][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6897.610861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.610861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.610861][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.610861][ T3767] netlink_unicast+0x449/0x710 [ 6897.610861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.610861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.610861][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.610861][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.610861][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.610861][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.610861][ T3767] [ 6897.613323][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6897.613323][ T3767] netdev_get_by_index+0x5e/0x80 [ 6897.613323][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6897.613323][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6897.613323][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6897.613323][ T3767] ipv6_add_addr+0x411/0x2000 [ 6897.613323][ T3767] inet6_addr_add+0x30e/0xa40 [ 6897.613323][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.613323][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.613323][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.613323][ T3767] netlink_unicast+0x449/0x710 [ 6897.613323][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.613323][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.613323][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.613323][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.613323][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.613323][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.613323][ T3767] [ 6897.615786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6897.615786][ T3767] netdev_get_by_index+0x5e/0x80 [ 6897.615786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6897.615786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6897.615786][ T3767] ip6_route_add+0x1c/0x140 [ 6897.615786][ T3767] addrconf_add_mroute+0x129/0x180 [ 6897.615786][ T3767] addrconf_add_dev+0xe2/0x170 [ 6897.615786][ T3767] inet6_addr_add+0x12f/0xa40 [ 6897.615786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6897.615786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.615786][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.615786][ T3767] netlink_unicast+0x449/0x710 [ 6897.615786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.615786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.615786][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.615786][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.615786][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.615786][ T3767] [ 6897.618215][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6897.618215][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6897.618215][ T3767] ipv6_find_idev+0x102/0x170 [ 6897.618215][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6897.618215][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.618215][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.618215][ T3767] netlink_unicast+0x449/0x710 [ 6897.618215][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.618215][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.618215][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.618215][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.618215][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.618215][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.618215][ T3767] [ 6897.620114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6897.620114][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6897.620114][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6897.620114][ T3767] ipv6_find_idev+0x102/0x170 [ 6897.620114][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6897.620114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6897.620114][ T3767] netlink_rcv_skb+0x130/0x360 [ 6897.620114][ T3767] netlink_unicast+0x449/0x710 [ 6897.620114][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6897.620114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6897.620114][ T3767] ___sys_sendmsg+0xee/0x170 [ 6897.620114][ T3767] __sys_sendmsg+0xcd/0x170 [ 6897.620114][ T3767] do_syscall_64+0xc6/0x1e0 [ 6897.620114][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6897.620114][ T3767] [ 6907.863947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6907.864473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6907.864473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6907.864473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6907.864473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6907.864473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6907.864473][ T3767] ip6_route_add+0x1c/0x140 [ 6907.864473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6907.864473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.864473][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.864473][ T3767] netlink_unicast+0x449/0x710 [ 6907.864473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.864473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.864473][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.864473][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.864473][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.864473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.864473][ T3767] [ 6907.866847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6907.866847][ T3767] netdev_get_by_index+0x5e/0x80 [ 6907.866847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6907.866847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6907.866847][ T3767] ip6_route_add+0x1c/0x140 [ 6907.866847][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6907.866847][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6907.866847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.866847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.866847][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.866847][ T3767] netlink_unicast+0x449/0x710 [ 6907.866847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.866847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.866847][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.866847][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.866847][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.866847][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.866847][ T3767] [ 6907.869326][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6907.869326][ T3767] netdev_get_by_index+0x5e/0x80 [ 6907.869326][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6907.869326][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6907.869326][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6907.869326][ T3767] ipv6_add_addr+0x411/0x2000 [ 6907.869326][ T3767] inet6_addr_add+0x30e/0xa40 [ 6907.869326][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.869326][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.869326][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.869326][ T3767] netlink_unicast+0x449/0x710 [ 6907.869326][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.869326][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.869326][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.869326][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.869326][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.869326][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.869326][ T3767] [ 6907.872300][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6907.872300][ T3767] netdev_get_by_index+0x5e/0x80 [ 6907.872300][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6907.872300][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6907.872300][ T3767] ip6_route_add+0x1c/0x140 [ 6907.872300][ T3767] addrconf_add_mroute+0x129/0x180 [ 6907.872300][ T3767] addrconf_add_dev+0xe2/0x170 [ 6907.872300][ T3767] inet6_addr_add+0x12f/0xa40 [ 6907.872300][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6907.872300][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.872300][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.872300][ T3767] netlink_unicast+0x449/0x710 [ 6907.872300][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.872300][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.872300][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.872300][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.872300][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.872300][ T3767] [ 6907.874716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6907.874716][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6907.874716][ T3767] ipv6_find_idev+0x102/0x170 [ 6907.874716][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6907.874716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.874716][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.874716][ T3767] netlink_unicast+0x449/0x710 [ 6907.874716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.874716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.874716][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.874716][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.874716][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.874716][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.874716][ T3767] [ 6907.876604][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6907.876604][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6907.876604][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6907.876604][ T3767] ipv6_find_idev+0x102/0x170 [ 6907.876604][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6907.876604][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6907.876604][ T3767] netlink_rcv_skb+0x130/0x360 [ 6907.876604][ T3767] netlink_unicast+0x449/0x710 [ 6907.876604][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6907.876604][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6907.876604][ T3767] ___sys_sendmsg+0xee/0x170 [ 6907.876604][ T3767] __sys_sendmsg+0xcd/0x170 [ 6907.876604][ T3767] do_syscall_64+0xc6/0x1e0 [ 6907.876604][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6907.876604][ T3767] [ 6918.119934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6918.120458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6918.120458][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6918.120458][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6918.120458][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6918.120458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6918.120458][ T3767] ip6_route_add+0x1c/0x140 [ 6918.120458][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6918.120458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.120458][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.120458][ T3767] netlink_unicast+0x449/0x710 [ 6918.120458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.120458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.120458][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.120458][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.120458][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.120458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6918.120458][ T3767] [ 6918.122578][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6918.122578][ T3767] netdev_get_by_index+0x5e/0x80 [ 6918.122578][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6918.122578][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6918.122578][ T3767] ip6_route_add+0x1c/0x140 [ 6918.122578][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6918.122578][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6918.122578][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6918.122578][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.122578][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.122578][ T3767] netlink_unicast+0x449/0x710 [ 6918.122578][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.122578][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.122578][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.122578][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.122578][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.122578][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6918.122578][ T3767] [ 6918.124817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6918.124817][ T3767] netdev_get_by_index+0x5e/0x80 [ 6918.124817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6918.124817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6918.124817][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6918.124817][ T3767] ipv6_add_addr+0x411/0x2000 [ 6918.124817][ T3767] inet6_addr_add+0x30e/0xa40 [ 6918.124817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6918.124817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.124817][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.124817][ T3767] netlink_unicast+0x449/0x710 [ 6918.124817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.124817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.124817][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.124817][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.124817][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.124817][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6918.124817][ T3767] [ 6918.127044][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6918.127044][ T3767] netdev_get_by_index+0x5e/0x80 [ 6918.127044][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6918.127044][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6918.127044][ T3767] ip6_route_add+0x1c/0x140 [ 6918.127044][ T3767] addrconf_add_mroute+0x129/0x180 [ 6918.127044][ T3767] addrconf_add_dev+0xe2/0x170 [ 6918.127044][ T3767] inet6_addr_add+0x12f/0xa40 [ 6918.127044][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6918.127044][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.127044][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.127044][ T3767] netlink_unicast+0x449/0x710 [ 6918.127044][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.127044][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.127044][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.127044][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.127044][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.127044][ T3767] [ 6918.129231][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6918.129231][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6918.129231][ T3767] ipv6_find_idev+0x102/0x170 [ 6918.129231][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6918.129231][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.129231][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.129231][ T3767] netlink_unicast+0x449/0x710 [ 6918.129231][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.129231][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.129231][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.129231][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.129231][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.129231][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6918.129231][ T3767] [ 6918.130938][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6918.130938][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6918.130938][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6918.130938][ T3767] ipv6_find_idev+0x102/0x170 [ 6918.130938][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6918.130938][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6918.130938][ T3767] netlink_rcv_skb+0x130/0x360 [ 6918.130938][ T3767] netlink_unicast+0x449/0x710 [ 6918.130938][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6918.130938][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6918.130938][ T3767] ___sys_sendmsg+0xee/0x170 [ 6918.130938][ T3767] __sys_sendmsg+0xcd/0x170 [ 6918.130938][ T3767] do_syscall_64+0xc6/0x1e0 [ 6918.130938][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6918.130938][ T3767] [ 6928.375880][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6928.376403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6928.376403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6928.376403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6928.376403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6928.376403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6928.376403][ T3767] ip6_route_add+0x1c/0x140 [ 6928.376403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6928.376403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.376403][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.376403][ T3767] netlink_unicast+0x449/0x710 [ 6928.376403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.376403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.376403][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.376403][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.376403][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.376403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6928.376403][ T3767] [ 6928.378743][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6928.378743][ T3767] netdev_get_by_index+0x5e/0x80 [ 6928.378743][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6928.378743][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6928.378743][ T3767] ip6_route_add+0x1c/0x140 [ 6928.378743][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6928.378743][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6928.378743][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6928.378743][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.378743][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.378743][ T3767] netlink_unicast+0x449/0x710 [ 6928.378743][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.378743][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.378743][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.378743][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.378743][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.378743][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6928.378743][ T3767] [ 6928.381185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6928.381185][ T3767] netdev_get_by_index+0x5e/0x80 [ 6928.381185][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6928.381185][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6928.381185][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6928.381185][ T3767] ipv6_add_addr+0x411/0x2000 [ 6928.381185][ T3767] inet6_addr_add+0x30e/0xa40 [ 6928.381185][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6928.381185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.381185][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.381185][ T3767] netlink_unicast+0x449/0x710 [ 6928.381185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.381185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.381185][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.381185][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.381185][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.381185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6928.381185][ T3767] [ 6928.383649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6928.383649][ T3767] netdev_get_by_index+0x5e/0x80 [ 6928.383649][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6928.383649][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6928.383649][ T3767] ip6_route_add+0x1c/0x140 [ 6928.383649][ T3767] addrconf_add_mroute+0x129/0x180 [ 6928.383649][ T3767] addrconf_add_dev+0xe2/0x170 [ 6928.383649][ T3767] inet6_addr_add+0x12f/0xa40 [ 6928.383649][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6928.383649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.383649][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.383649][ T3767] netlink_unicast+0x449/0x710 [ 6928.383649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.383649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.383649][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.383649][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.383649][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.383649][ T3767] [ 6928.386051][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6928.386051][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6928.386051][ T3767] ipv6_find_idev+0x102/0x170 [ 6928.386051][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6928.386051][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.386051][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.386051][ T3767] netlink_unicast+0x449/0x710 [ 6928.386051][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.386051][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.386051][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.386051][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.386051][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.386051][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6928.386051][ T3767] [ 6928.387936][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6928.387936][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6928.387936][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6928.387936][ T3767] ipv6_find_idev+0x102/0x170 [ 6928.387936][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6928.387936][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6928.387936][ T3767] netlink_rcv_skb+0x130/0x360 [ 6928.387936][ T3767] netlink_unicast+0x449/0x710 [ 6928.387936][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6928.387936][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6928.387936][ T3767] ___sys_sendmsg+0xee/0x170 [ 6928.387936][ T3767] __sys_sendmsg+0xcd/0x170 [ 6928.387936][ T3767] do_syscall_64+0xc6/0x1e0 [ 6928.387936][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6928.387936][ T3767] [ 6938.631953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6938.632465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6938.632465][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6938.632465][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6938.632465][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6938.632465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6938.632465][ T3767] ip6_route_add+0x1c/0x140 [ 6938.632465][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6938.632465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.632465][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.632465][ T3767] netlink_unicast+0x449/0x710 [ 6938.632465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.632465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.632465][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.632465][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.632465][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.632465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6938.632465][ T3767] [ 6938.634828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6938.634828][ T3767] netdev_get_by_index+0x5e/0x80 [ 6938.634828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6938.634828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6938.634828][ T3767] ip6_route_add+0x1c/0x140 [ 6938.634828][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6938.634828][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6938.634828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6938.634828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.634828][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.634828][ T3767] netlink_unicast+0x449/0x710 [ 6938.634828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.634828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.634828][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.634828][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.634828][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.634828][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6938.634828][ T3767] [ 6938.637285][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6938.637285][ T3767] netdev_get_by_index+0x5e/0x80 [ 6938.637285][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6938.637285][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6938.637285][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6938.637285][ T3767] ipv6_add_addr+0x411/0x2000 [ 6938.637285][ T3767] inet6_addr_add+0x30e/0xa40 [ 6938.637285][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6938.637285][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.637285][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.637285][ T3767] netlink_unicast+0x449/0x710 [ 6938.637285][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.637285][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.637285][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.637285][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.637285][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.637285][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6938.637285][ T3767] [ 6938.639762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6938.639762][ T3767] netdev_get_by_index+0x5e/0x80 [ 6938.639762][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6938.639762][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6938.639762][ T3767] ip6_route_add+0x1c/0x140 [ 6938.639762][ T3767] addrconf_add_mroute+0x129/0x180 [ 6938.639762][ T3767] addrconf_add_dev+0xe2/0x170 [ 6938.639762][ T3767] inet6_addr_add+0x12f/0xa40 [ 6938.639762][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6938.639762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.639762][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.639762][ T3767] netlink_unicast+0x449/0x710 [ 6938.639762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.639762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.639762][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.639762][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.639762][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.639762][ T3767] [ 6938.642162][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6938.642162][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6938.642162][ T3767] ipv6_find_idev+0x102/0x170 [ 6938.642162][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6938.642162][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.642162][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.642162][ T3767] netlink_unicast+0x449/0x710 [ 6938.642162][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.642162][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.642162][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.642162][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.642162][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.642162][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6938.642162][ T3767] [ 6938.644071][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6938.644071][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6938.644071][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6938.644071][ T3767] ipv6_find_idev+0x102/0x170 [ 6938.644071][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6938.644071][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6938.644071][ T3767] netlink_rcv_skb+0x130/0x360 [ 6938.644071][ T3767] netlink_unicast+0x449/0x710 [ 6938.644071][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6938.644071][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6938.644071][ T3767] ___sys_sendmsg+0xee/0x170 [ 6938.644071][ T3767] __sys_sendmsg+0xcd/0x170 [ 6938.644071][ T3767] do_syscall_64+0xc6/0x1e0 [ 6938.644071][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6938.644071][ T3767] [ 6948.887943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6948.888473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6948.888473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6948.888473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6948.888473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6948.888473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6948.888473][ T3767] ip6_route_add+0x1c/0x140 [ 6948.888473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6948.888473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.888473][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.888473][ T3767] netlink_unicast+0x449/0x710 [ 6948.888473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.888473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.888473][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.888473][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.888473][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.888473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.888473][ T3767] [ 6948.890807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6948.890807][ T3767] netdev_get_by_index+0x5e/0x80 [ 6948.890807][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6948.890807][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6948.890807][ T3767] ip6_route_add+0x1c/0x140 [ 6948.890807][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6948.890807][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6948.890807][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6948.890807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.890807][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.890807][ T3767] netlink_unicast+0x449/0x710 [ 6948.890807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.890807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.890807][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.890807][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.890807][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.890807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.890807][ T3767] [ 6948.893287][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6948.893287][ T3767] netdev_get_by_index+0x5e/0x80 [ 6948.893287][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6948.893287][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6948.893287][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6948.893287][ T3767] ipv6_add_addr+0x411/0x2000 [ 6948.893287][ T3767] inet6_addr_add+0x30e/0xa40 [ 6948.893287][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6948.893287][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.893287][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.893287][ T3767] netlink_unicast+0x449/0x710 [ 6948.893287][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.893287][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.893287][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.893287][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.893287][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.893287][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.893287][ T3767] [ 6948.895780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6948.895780][ T3767] netdev_get_by_index+0x5e/0x80 [ 6948.895780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6948.895780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6948.895780][ T3767] ip6_route_add+0x1c/0x140 [ 6948.895780][ T3767] addrconf_add_mroute+0x129/0x180 [ 6948.895780][ T3767] addrconf_add_dev+0xe2/0x170 [ 6948.895780][ T3767] inet6_addr_add+0x12f/0xa40 [ 6948.895780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6948.895780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.895780][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.895780][ T3767] netlink_unicast+0x449/0x710 [ 6948.895780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.895780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.895780][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.895780][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.895780][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.895780][ T3767] [ 6948.898205][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6948.898205][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6948.898205][ T3767] ipv6_find_idev+0x102/0x170 [ 6948.898205][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6948.898205][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.898205][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.898205][ T3767] netlink_unicast+0x449/0x710 [ 6948.898205][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.898205][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.898205][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.898205][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.898205][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.898205][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.898205][ T3767] [ 6948.900106][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6948.900106][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6948.900106][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6948.900106][ T3767] ipv6_find_idev+0x102/0x170 [ 6948.900106][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6948.900106][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6948.900106][ T3767] netlink_rcv_skb+0x130/0x360 [ 6948.900106][ T3767] netlink_unicast+0x449/0x710 [ 6948.900106][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6948.900106][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6948.900106][ T3767] ___sys_sendmsg+0xee/0x170 [ 6948.900106][ T3767] __sys_sendmsg+0xcd/0x170 [ 6948.900106][ T3767] do_syscall_64+0xc6/0x1e0 [ 6948.900106][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6948.900106][ T3767] [ 6959.143942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6959.144478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6959.144478][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6959.144478][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6959.144478][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6959.144478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6959.144478][ T3767] ip6_route_add+0x1c/0x140 [ 6959.144478][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6959.144478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.144478][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.144478][ T3767] netlink_unicast+0x449/0x710 [ 6959.144478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.144478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.144478][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.144478][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.144478][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.144478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6959.144478][ T3767] [ 6959.146814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6959.146814][ T3767] netdev_get_by_index+0x5e/0x80 [ 6959.146814][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6959.146814][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6959.146814][ T3767] ip6_route_add+0x1c/0x140 [ 6959.146814][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6959.146814][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6959.146814][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6959.146814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.146814][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.146814][ T3767] netlink_unicast+0x449/0x710 [ 6959.146814][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.146814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.146814][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.146814][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.146814][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.146814][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6959.146814][ T3767] [ 6959.149295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6959.149295][ T3767] netdev_get_by_index+0x5e/0x80 [ 6959.149295][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6959.149295][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6959.149295][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6959.149295][ T3767] ipv6_add_addr+0x411/0x2000 [ 6959.149295][ T3767] inet6_addr_add+0x30e/0xa40 [ 6959.149295][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6959.149295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.149295][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.149295][ T3767] netlink_unicast+0x449/0x710 [ 6959.149295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.149295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.149295][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.149295][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.149295][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.149295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6959.149295][ T3767] [ 6959.151761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6959.151761][ T3767] netdev_get_by_index+0x5e/0x80 [ 6959.151761][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6959.151761][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6959.151761][ T3767] ip6_route_add+0x1c/0x140 [ 6959.151761][ T3767] addrconf_add_mroute+0x129/0x180 [ 6959.151761][ T3767] addrconf_add_dev+0xe2/0x170 [ 6959.151761][ T3767] inet6_addr_add+0x12f/0xa40 [ 6959.151761][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6959.151761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.151761][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.151761][ T3767] netlink_unicast+0x449/0x710 [ 6959.151761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.151761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.151761][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.151761][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.151761][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.151761][ T3767] [ 6959.154176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6959.154176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6959.154176][ T3767] ipv6_find_idev+0x102/0x170 [ 6959.154176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6959.154176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.154176][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.154176][ T3767] netlink_unicast+0x449/0x710 [ 6959.154176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.154176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.154176][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.154176][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.154176][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.154176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6959.154176][ T3767] [ 6959.156071][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6959.156071][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6959.156071][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6959.156071][ T3767] ipv6_find_idev+0x102/0x170 [ 6959.156071][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6959.156071][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6959.156071][ T3767] netlink_rcv_skb+0x130/0x360 [ 6959.156071][ T3767] netlink_unicast+0x449/0x710 [ 6959.156071][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6959.156071][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6959.156071][ T3767] ___sys_sendmsg+0xee/0x170 [ 6959.156071][ T3767] __sys_sendmsg+0xcd/0x170 [ 6959.156071][ T3767] do_syscall_64+0xc6/0x1e0 [ 6959.156071][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6959.156071][ T3767] [ 6969.399879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6969.400398][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6969.400398][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6969.400398][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6969.400398][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6969.400398][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6969.400398][ T3767] ip6_route_add+0x1c/0x140 [ 6969.400398][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6969.400398][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.400398][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.400398][ T3767] netlink_unicast+0x449/0x710 [ 6969.400398][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.400398][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.400398][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.400398][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.400398][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.400398][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6969.400398][ T3767] [ 6969.402752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6969.402752][ T3767] netdev_get_by_index+0x5e/0x80 [ 6969.402752][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6969.402752][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6969.402752][ T3767] ip6_route_add+0x1c/0x140 [ 6969.402752][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6969.402752][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6969.402752][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6969.402752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.402752][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.402752][ T3767] netlink_unicast+0x449/0x710 [ 6969.402752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.402752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.402752][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.402752][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.402752][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.402752][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6969.402752][ T3767] [ 6969.405217][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6969.405217][ T3767] netdev_get_by_index+0x5e/0x80 [ 6969.405217][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6969.405217][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6969.405217][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6969.405217][ T3767] ipv6_add_addr+0x411/0x2000 [ 6969.405217][ T3767] inet6_addr_add+0x30e/0xa40 [ 6969.405217][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6969.405217][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.405217][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.405217][ T3767] netlink_unicast+0x449/0x710 [ 6969.405217][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.405217][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.405217][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.405217][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.405217][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.405217][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6969.405217][ T3767] [ 6969.407692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6969.407692][ T3767] netdev_get_by_index+0x5e/0x80 [ 6969.407692][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6969.407692][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6969.407692][ T3767] ip6_route_add+0x1c/0x140 [ 6969.407692][ T3767] addrconf_add_mroute+0x129/0x180 [ 6969.407692][ T3767] addrconf_add_dev+0xe2/0x170 [ 6969.407692][ T3767] inet6_addr_add+0x12f/0xa40 [ 6969.407692][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6969.407692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.407692][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.407692][ T3767] netlink_unicast+0x449/0x710 [ 6969.407692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.407692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.407692][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.407692][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.407692][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.407692][ T3767] [ 6969.410144][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6969.410144][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6969.410144][ T3767] ipv6_find_idev+0x102/0x170 [ 6969.410144][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6969.410144][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.410144][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.410144][ T3767] netlink_unicast+0x449/0x710 [ 6969.410144][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.410144][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.410144][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.410144][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.410144][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.410144][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6969.410144][ T3767] [ 6969.412044][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6969.412044][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6969.412044][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6969.412044][ T3767] ipv6_find_idev+0x102/0x170 [ 6969.412044][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6969.412044][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6969.412044][ T3767] netlink_rcv_skb+0x130/0x360 [ 6969.412044][ T3767] netlink_unicast+0x449/0x710 [ 6969.412044][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6969.412044][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6969.412044][ T3767] ___sys_sendmsg+0xee/0x170 [ 6969.412044][ T3767] __sys_sendmsg+0xcd/0x170 [ 6969.412044][ T3767] do_syscall_64+0xc6/0x1e0 [ 6969.412044][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6969.412044][ T3767] [ 6979.656015][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6979.656537][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6979.656537][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6979.656537][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6979.656537][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6979.656537][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6979.656537][ T3767] ip6_route_add+0x1c/0x140 [ 6979.656537][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6979.656537][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.656537][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.656537][ T3767] netlink_unicast+0x449/0x710 [ 6979.656537][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.656537][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.656537][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.656537][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.656537][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.656537][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6979.656537][ T3767] [ 6979.658858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6979.658858][ T3767] netdev_get_by_index+0x5e/0x80 [ 6979.658858][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6979.658858][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6979.658858][ T3767] ip6_route_add+0x1c/0x140 [ 6979.658858][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6979.658858][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6979.658858][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6979.658858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.658858][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.658858][ T3767] netlink_unicast+0x449/0x710 [ 6979.658858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.658858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.658858][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.658858][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.658858][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.658858][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6979.658858][ T3767] [ 6979.661310][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6979.661310][ T3767] netdev_get_by_index+0x5e/0x80 [ 6979.661310][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6979.661310][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6979.661310][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6979.661310][ T3767] ipv6_add_addr+0x411/0x2000 [ 6979.661310][ T3767] inet6_addr_add+0x30e/0xa40 [ 6979.661310][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6979.661310][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.661310][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.661310][ T3767] netlink_unicast+0x449/0x710 [ 6979.661310][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.661310][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.661310][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.661310][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.661310][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.661310][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6979.661310][ T3767] [ 6979.663761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6979.663761][ T3767] netdev_get_by_index+0x5e/0x80 [ 6979.663761][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6979.663761][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6979.663761][ T3767] ip6_route_add+0x1c/0x140 [ 6979.663761][ T3767] addrconf_add_mroute+0x129/0x180 [ 6979.663761][ T3767] addrconf_add_dev+0xe2/0x170 [ 6979.663761][ T3767] inet6_addr_add+0x12f/0xa40 [ 6979.663761][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6979.663761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.663761][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.663761][ T3767] netlink_unicast+0x449/0x710 [ 6979.663761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.663761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.663761][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.663761][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.663761][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.663761][ T3767] [ 6979.666155][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6979.666155][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6979.666155][ T3767] ipv6_find_idev+0x102/0x170 [ 6979.666155][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6979.666155][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.666155][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.666155][ T3767] netlink_unicast+0x449/0x710 [ 6979.666155][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.666155][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.666155][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.666155][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.666155][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.666155][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6979.666155][ T3767] [ 6979.668025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6979.668025][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6979.668025][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6979.668025][ T3767] ipv6_find_idev+0x102/0x170 [ 6979.668025][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6979.668025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6979.668025][ T3767] netlink_rcv_skb+0x130/0x360 [ 6979.668025][ T3767] netlink_unicast+0x449/0x710 [ 6979.668025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6979.668025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6979.668025][ T3767] ___sys_sendmsg+0xee/0x170 [ 6979.668025][ T3767] __sys_sendmsg+0xcd/0x170 [ 6979.668025][ T3767] do_syscall_64+0xc6/0x1e0 [ 6979.668025][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6979.668025][ T3767] [ 6989.911929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6989.912480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 6989.912480][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 6989.912480][ T3767] ip6_validate_gw+0x3eb/0x790 [ 6989.912480][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 6989.912480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6989.912480][ T3767] ip6_route_add+0x1c/0x140 [ 6989.912480][ T3767] inet6_rtm_newroute+0x104/0x110 [ 6989.912480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.912480][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.912480][ T3767] netlink_unicast+0x449/0x710 [ 6989.912480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.912480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.912480][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.912480][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.912480][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.912480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6989.912480][ T3767] [ 6989.914846][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6989.914846][ T3767] netdev_get_by_index+0x5e/0x80 [ 6989.914846][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6989.914846][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6989.914846][ T3767] ip6_route_add+0x1c/0x140 [ 6989.914846][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 6989.914846][ T3767] inet6_addr_add+0x4f8/0xa40 [ 6989.914846][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6989.914846][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.914846][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.914846][ T3767] netlink_unicast+0x449/0x710 [ 6989.914846][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.914846][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.914846][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.914846][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.914846][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.914846][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6989.914846][ T3767] [ 6989.917325][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6989.917325][ T3767] netdev_get_by_index+0x5e/0x80 [ 6989.917325][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6989.917325][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6989.917325][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 6989.917325][ T3767] ipv6_add_addr+0x411/0x2000 [ 6989.917325][ T3767] inet6_addr_add+0x30e/0xa40 [ 6989.917325][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6989.917325][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.917325][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.917325][ T3767] netlink_unicast+0x449/0x710 [ 6989.917325][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.917325][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.917325][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.917325][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.917325][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.917325][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6989.917325][ T3767] [ 6989.919793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6989.919793][ T3767] netdev_get_by_index+0x5e/0x80 [ 6989.919793][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 6989.919793][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 6989.919793][ T3767] ip6_route_add+0x1c/0x140 [ 6989.919793][ T3767] addrconf_add_mroute+0x129/0x180 [ 6989.919793][ T3767] addrconf_add_dev+0xe2/0x170 [ 6989.919793][ T3767] inet6_addr_add+0x12f/0xa40 [ 6989.919793][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 6989.919793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.919793][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.919793][ T3767] netlink_unicast+0x449/0x710 [ 6989.919793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.919793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.919793][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.919793][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.919793][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.919793][ T3767] [ 6989.922233][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6989.922233][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 6989.922233][ T3767] ipv6_find_idev+0x102/0x170 [ 6989.922233][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6989.922233][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.922233][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.922233][ T3767] netlink_unicast+0x449/0x710 [ 6989.922233][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.922233][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.922233][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.922233][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.922233][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.922233][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6989.922233][ T3767] [ 6989.924136][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 6989.924136][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 6989.924136][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 6989.924136][ T3767] ipv6_find_idev+0x102/0x170 [ 6989.924136][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 6989.924136][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6989.924136][ T3767] netlink_rcv_skb+0x130/0x360 [ 6989.924136][ T3767] netlink_unicast+0x449/0x710 [ 6989.924136][ T3767] netlink_sendmsg+0x723/0xbe0 [ 6989.924136][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 6989.924136][ T3767] ___sys_sendmsg+0xee/0x170 [ 6989.924136][ T3767] __sys_sendmsg+0xcd/0x170 [ 6989.924136][ T3767] do_syscall_64+0xc6/0x1e0 [ 6989.924136][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6989.924136][ T3767] [ 7000.167934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7000.168494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7000.168494][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7000.168494][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7000.168494][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7000.168494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7000.168494][ T3767] ip6_route_add+0x1c/0x140 [ 7000.168494][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7000.168494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.168494][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.168494][ T3767] netlink_unicast+0x449/0x710 [ 7000.168494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.168494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.168494][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.168494][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.168494][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.168494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.168494][ T3767] [ 7000.170849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7000.170849][ T3767] netdev_get_by_index+0x5e/0x80 [ 7000.170849][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7000.170849][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7000.170849][ T3767] ip6_route_add+0x1c/0x140 [ 7000.170849][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7000.170849][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7000.170849][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.170849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.170849][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.170849][ T3767] netlink_unicast+0x449/0x710 [ 7000.170849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.170849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.170849][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.170849][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.170849][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.170849][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.170849][ T3767] [ 7000.173310][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7000.173310][ T3767] netdev_get_by_index+0x5e/0x80 [ 7000.173310][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7000.173310][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7000.173310][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7000.173310][ T3767] ipv6_add_addr+0x411/0x2000 [ 7000.173310][ T3767] inet6_addr_add+0x30e/0xa40 [ 7000.173310][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.173310][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.173310][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.173310][ T3767] netlink_unicast+0x449/0x710 [ 7000.173310][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.173310][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.173310][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.173310][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.173310][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.173310][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.173310][ T3767] [ 7000.175780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7000.175780][ T3767] netdev_get_by_index+0x5e/0x80 [ 7000.175780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7000.175780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7000.175780][ T3767] ip6_route_add+0x1c/0x140 [ 7000.175780][ T3767] addrconf_add_mroute+0x129/0x180 [ 7000.175780][ T3767] addrconf_add_dev+0xe2/0x170 [ 7000.175780][ T3767] inet6_addr_add+0x12f/0xa40 [ 7000.175780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7000.175780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.175780][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.175780][ T3767] netlink_unicast+0x449/0x710 [ 7000.175780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.175780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.175780][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.175780][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.175780][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.175780][ T3767] [ 7000.178198][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7000.178198][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7000.178198][ T3767] ipv6_find_idev+0x102/0x170 [ 7000.178198][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.178198][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.178198][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.178198][ T3767] netlink_unicast+0x449/0x710 [ 7000.178198][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.178198][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.178198][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.178198][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.178198][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.178198][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.178198][ T3767] [ 7000.180102][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7000.180102][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7000.180102][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7000.180102][ T3767] ipv6_find_idev+0x102/0x170 [ 7000.180102][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7000.180102][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7000.180102][ T3767] netlink_rcv_skb+0x130/0x360 [ 7000.180102][ T3767] netlink_unicast+0x449/0x710 [ 7000.180102][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7000.180102][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7000.180102][ T3767] ___sys_sendmsg+0xee/0x170 [ 7000.180102][ T3767] __sys_sendmsg+0xcd/0x170 [ 7000.180102][ T3767] do_syscall_64+0xc6/0x1e0 [ 7000.180102][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7000.180102][ T3767] [ 7010.423877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7010.424407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7010.424407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7010.424407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7010.424407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7010.424407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7010.424407][ T3767] ip6_route_add+0x1c/0x140 [ 7010.424407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7010.424407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.424407][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.424407][ T3767] netlink_unicast+0x449/0x710 [ 7010.424407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.424407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.424407][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.424407][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.424407][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.424407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7010.424407][ T3767] [ 7010.426779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7010.426779][ T3767] netdev_get_by_index+0x5e/0x80 [ 7010.426779][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7010.426779][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7010.426779][ T3767] ip6_route_add+0x1c/0x140 [ 7010.426779][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7010.426779][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7010.426779][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7010.426779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.426779][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.426779][ T3767] netlink_unicast+0x449/0x710 [ 7010.426779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.426779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.426779][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.426779][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.426779][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.426779][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7010.426779][ T3767] [ 7010.429247][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7010.429247][ T3767] netdev_get_by_index+0x5e/0x80 [ 7010.429247][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7010.429247][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7010.429247][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7010.429247][ T3767] ipv6_add_addr+0x411/0x2000 [ 7010.429247][ T3767] inet6_addr_add+0x30e/0xa40 [ 7010.429247][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7010.429247][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.429247][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.429247][ T3767] netlink_unicast+0x449/0x710 [ 7010.429247][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.429247][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.429247][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.429247][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.429247][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.429247][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7010.429247][ T3767] [ 7010.432233][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7010.432233][ T3767] netdev_get_by_index+0x5e/0x80 [ 7010.432233][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7010.432233][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7010.432233][ T3767] ip6_route_add+0x1c/0x140 [ 7010.432233][ T3767] addrconf_add_mroute+0x129/0x180 [ 7010.432233][ T3767] addrconf_add_dev+0xe2/0x170 [ 7010.432233][ T3767] inet6_addr_add+0x12f/0xa40 [ 7010.432233][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7010.432233][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.432233][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.432233][ T3767] netlink_unicast+0x449/0x710 [ 7010.432233][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.432233][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.432233][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.432233][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.432233][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.432233][ T3767] [ 7010.434652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7010.434652][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7010.434652][ T3767] ipv6_find_idev+0x102/0x170 [ 7010.434652][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7010.434652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.434652][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.434652][ T3767] netlink_unicast+0x449/0x710 [ 7010.434652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.434652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.434652][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.434652][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.434652][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.434652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7010.434652][ T3767] [ 7010.436560][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7010.436560][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7010.436560][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7010.436560][ T3767] ipv6_find_idev+0x102/0x170 [ 7010.436560][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7010.436560][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7010.436560][ T3767] netlink_rcv_skb+0x130/0x360 [ 7010.436560][ T3767] netlink_unicast+0x449/0x710 [ 7010.436560][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7010.436560][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7010.436560][ T3767] ___sys_sendmsg+0xee/0x170 [ 7010.436560][ T3767] __sys_sendmsg+0xcd/0x170 [ 7010.436560][ T3767] do_syscall_64+0xc6/0x1e0 [ 7010.436560][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7010.436560][ T3767] [ 7020.639948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7020.640470][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7020.640470][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7020.640470][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7020.640470][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7020.640470][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7020.640470][ T3767] ip6_route_add+0x1c/0x140 [ 7020.640470][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7020.640470][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.640470][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.640470][ T3767] netlink_unicast+0x449/0x710 [ 7020.640470][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.640470][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.640470][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.640470][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.640470][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.640470][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7020.640470][ T3767] [ 7020.642831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7020.642831][ T3767] netdev_get_by_index+0x5e/0x80 [ 7020.642831][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7020.642831][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7020.642831][ T3767] ip6_route_add+0x1c/0x140 [ 7020.642831][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7020.642831][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7020.642831][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7020.642831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.642831][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.642831][ T3767] netlink_unicast+0x449/0x710 [ 7020.642831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.642831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.642831][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.642831][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.642831][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.642831][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7020.642831][ T3767] [ 7020.645833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7020.645833][ T3767] netdev_get_by_index+0x5e/0x80 [ 7020.645833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7020.645833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7020.645833][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7020.645833][ T3767] ipv6_add_addr+0x411/0x2000 [ 7020.645833][ T3767] inet6_addr_add+0x30e/0xa40 [ 7020.645833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7020.645833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.645833][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.645833][ T3767] netlink_unicast+0x449/0x710 [ 7020.645833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.645833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.645833][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.645833][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.645833][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.645833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7020.645833][ T3767] [ 7020.648311][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7020.648311][ T3767] netdev_get_by_index+0x5e/0x80 [ 7020.648311][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7020.648311][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7020.648311][ T3767] ip6_route_add+0x1c/0x140 [ 7020.648311][ T3767] addrconf_add_mroute+0x129/0x180 [ 7020.648311][ T3767] addrconf_add_dev+0xe2/0x170 [ 7020.648311][ T3767] inet6_addr_add+0x12f/0xa40 [ 7020.648311][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7020.648311][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.648311][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.648311][ T3767] netlink_unicast+0x449/0x710 [ 7020.648311][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.648311][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.648311][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.648311][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.648311][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.648311][ T3767] [ 7020.650738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7020.650738][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7020.650738][ T3767] ipv6_find_idev+0x102/0x170 [ 7020.650738][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7020.650738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.650738][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.650738][ T3767] netlink_unicast+0x449/0x710 [ 7020.650738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.650738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.650738][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.650738][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.650738][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.650738][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7020.650738][ T3767] [ 7020.652642][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7020.652642][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7020.652642][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7020.652642][ T3767] ipv6_find_idev+0x102/0x170 [ 7020.652642][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7020.652642][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7020.652642][ T3767] netlink_rcv_skb+0x130/0x360 [ 7020.652642][ T3767] netlink_unicast+0x449/0x710 [ 7020.652642][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7020.652642][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7020.652642][ T3767] ___sys_sendmsg+0xee/0x170 [ 7020.652642][ T3767] __sys_sendmsg+0xcd/0x170 [ 7020.652642][ T3767] do_syscall_64+0xc6/0x1e0 [ 7020.652642][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7020.652642][ T3767] [ 7030.903876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7030.904413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7030.904413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7030.904413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7030.904413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7030.904413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7030.904413][ T3767] ip6_route_add+0x1c/0x140 [ 7030.904413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7030.904413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.904413][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.904413][ T3767] netlink_unicast+0x449/0x710 [ 7030.904413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.904413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.904413][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.904413][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.904413][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.904413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7030.904413][ T3767] [ 7030.906744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7030.906744][ T3767] netdev_get_by_index+0x5e/0x80 [ 7030.906744][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7030.906744][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7030.906744][ T3767] ip6_route_add+0x1c/0x140 [ 7030.906744][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7030.906744][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7030.906744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7030.906744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.906744][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.906744][ T3767] netlink_unicast+0x449/0x710 [ 7030.906744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.906744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.906744][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.906744][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.906744][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.906744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7030.906744][ T3767] [ 7030.909221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7030.909221][ T3767] netdev_get_by_index+0x5e/0x80 [ 7030.909221][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7030.909221][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7030.909221][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7030.909221][ T3767] ipv6_add_addr+0x411/0x2000 [ 7030.909221][ T3767] inet6_addr_add+0x30e/0xa40 [ 7030.909221][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7030.909221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.909221][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.909221][ T3767] netlink_unicast+0x449/0x710 [ 7030.909221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.909221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.909221][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.909221][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.909221][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.909221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7030.909221][ T3767] [ 7030.911701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7030.911701][ T3767] netdev_get_by_index+0x5e/0x80 [ 7030.911701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7030.911701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7030.911701][ T3767] ip6_route_add+0x1c/0x140 [ 7030.911701][ T3767] addrconf_add_mroute+0x129/0x180 [ 7030.911701][ T3767] addrconf_add_dev+0xe2/0x170 [ 7030.911701][ T3767] inet6_addr_add+0x12f/0xa40 [ 7030.911701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7030.911701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.911701][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.911701][ T3767] netlink_unicast+0x449/0x710 [ 7030.911701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.911701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.911701][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.911701][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.911701][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.911701][ T3767] [ 7030.914140][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7030.914140][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7030.914140][ T3767] ipv6_find_idev+0x102/0x170 [ 7030.914140][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7030.914140][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.914140][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.914140][ T3767] netlink_unicast+0x449/0x710 [ 7030.914140][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.914140][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.914140][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.914140][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.914140][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.914140][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7030.914140][ T3767] [ 7030.916040][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7030.916040][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7030.916040][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7030.916040][ T3767] ipv6_find_idev+0x102/0x170 [ 7030.916040][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7030.916040][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7030.916040][ T3767] netlink_rcv_skb+0x130/0x360 [ 7030.916040][ T3767] netlink_unicast+0x449/0x710 [ 7030.916040][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7030.916040][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7030.916040][ T3767] ___sys_sendmsg+0xee/0x170 [ 7030.916040][ T3767] __sys_sendmsg+0xcd/0x170 [ 7030.916040][ T3767] do_syscall_64+0xc6/0x1e0 [ 7030.916040][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7030.916040][ T3767] [ 7041.168054][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7041.168570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7041.168570][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7041.168570][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7041.168570][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7041.168570][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7041.168570][ T3767] ip6_route_add+0x1c/0x140 [ 7041.168570][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7041.168570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.168570][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.168570][ T3767] netlink_unicast+0x449/0x710 [ 7041.168570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.168570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.168570][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.168570][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.168570][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.168570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.168570][ T3767] [ 7041.170718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7041.170718][ T3767] netdev_get_by_index+0x5e/0x80 [ 7041.170718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7041.170718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7041.170718][ T3767] ip6_route_add+0x1c/0x140 [ 7041.170718][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7041.170718][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7041.170718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7041.170718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.170718][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.170718][ T3767] netlink_unicast+0x449/0x710 [ 7041.170718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.170718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.170718][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.170718][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.170718][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.170718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.170718][ T3767] [ 7041.172938][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7041.172938][ T3767] netdev_get_by_index+0x5e/0x80 [ 7041.172938][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7041.172938][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7041.172938][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7041.172938][ T3767] ipv6_add_addr+0x411/0x2000 [ 7041.172938][ T3767] inet6_addr_add+0x30e/0xa40 [ 7041.172938][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7041.172938][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.172938][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.172938][ T3767] netlink_unicast+0x449/0x710 [ 7041.172938][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.172938][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.172938][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.172938][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.172938][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.172938][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.172938][ T3767] [ 7041.175181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7041.175181][ T3767] netdev_get_by_index+0x5e/0x80 [ 7041.175181][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7041.175181][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7041.175181][ T3767] ip6_route_add+0x1c/0x140 [ 7041.175181][ T3767] addrconf_add_mroute+0x129/0x180 [ 7041.175181][ T3767] addrconf_add_dev+0xe2/0x170 [ 7041.175181][ T3767] inet6_addr_add+0x12f/0xa40 [ 7041.175181][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7041.175181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.175181][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.175181][ T3767] netlink_unicast+0x449/0x710 [ 7041.175181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.175181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.175181][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.175181][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.175181][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.175181][ T3767] [ 7041.177366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7041.177366][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7041.177366][ T3767] ipv6_find_idev+0x102/0x170 [ 7041.177366][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7041.177366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.177366][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.177366][ T3767] netlink_unicast+0x449/0x710 [ 7041.177366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.177366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.177366][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.177366][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.177366][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.177366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.177366][ T3767] [ 7041.179074][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7041.179074][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7041.179074][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7041.179074][ T3767] ipv6_find_idev+0x102/0x170 [ 7041.179074][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7041.179074][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7041.179074][ T3767] netlink_rcv_skb+0x130/0x360 [ 7041.179074][ T3767] netlink_unicast+0x449/0x710 [ 7041.179074][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7041.179074][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7041.179074][ T3767] ___sys_sendmsg+0xee/0x170 [ 7041.179074][ T3767] __sys_sendmsg+0xcd/0x170 [ 7041.179074][ T3767] do_syscall_64+0xc6/0x1e0 [ 7041.179074][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7041.179074][ T3767] [ 7051.431951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7051.432428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7051.432428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7051.432428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7051.432428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7051.432428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7051.432428][ T3767] ip6_route_add+0x1c/0x140 [ 7051.432428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7051.432428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.432428][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.432428][ T3767] netlink_unicast+0x449/0x710 [ 7051.432428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.432428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.432428][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.432428][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.432428][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.432428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7051.432428][ T3767] [ 7051.434565][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7051.434565][ T3767] netdev_get_by_index+0x5e/0x80 [ 7051.434565][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7051.434565][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7051.434565][ T3767] ip6_route_add+0x1c/0x140 [ 7051.434565][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7051.434565][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7051.434565][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7051.434565][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.434565][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.434565][ T3767] netlink_unicast+0x449/0x710 [ 7051.434565][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.434565][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.434565][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.434565][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.434565][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.434565][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7051.434565][ T3767] [ 7051.436778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7051.436778][ T3767] netdev_get_by_index+0x5e/0x80 [ 7051.436778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7051.436778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7051.436778][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7051.436778][ T3767] ipv6_add_addr+0x411/0x2000 [ 7051.436778][ T3767] inet6_addr_add+0x30e/0xa40 [ 7051.436778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7051.436778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.436778][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.436778][ T3767] netlink_unicast+0x449/0x710 [ 7051.436778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.436778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.436778][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.436778][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.436778][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.436778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7051.436778][ T3767] [ 7051.438999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7051.438999][ T3767] netdev_get_by_index+0x5e/0x80 [ 7051.438999][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7051.438999][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7051.438999][ T3767] ip6_route_add+0x1c/0x140 [ 7051.438999][ T3767] addrconf_add_mroute+0x129/0x180 [ 7051.438999][ T3767] addrconf_add_dev+0xe2/0x170 [ 7051.438999][ T3767] inet6_addr_add+0x12f/0xa40 [ 7051.438999][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7051.438999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.438999][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.438999][ T3767] netlink_unicast+0x449/0x710 [ 7051.438999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.438999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.438999][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.438999][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.438999][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.438999][ T3767] [ 7051.441173][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7051.441173][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7051.441173][ T3767] ipv6_find_idev+0x102/0x170 [ 7051.441173][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7051.441173][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.441173][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.441173][ T3767] netlink_unicast+0x449/0x710 [ 7051.441173][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.441173][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.441173][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.441173][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.441173][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.441173][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7051.441173][ T3767] [ 7051.442865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7051.442865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7051.442865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7051.442865][ T3767] ipv6_find_idev+0x102/0x170 [ 7051.442865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7051.442865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7051.442865][ T3767] netlink_rcv_skb+0x130/0x360 [ 7051.442865][ T3767] netlink_unicast+0x449/0x710 [ 7051.442865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7051.442865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7051.442865][ T3767] ___sys_sendmsg+0xee/0x170 [ 7051.442865][ T3767] __sys_sendmsg+0xcd/0x170 [ 7051.442865][ T3767] do_syscall_64+0xc6/0x1e0 [ 7051.442865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7051.442865][ T3767] [ 7061.695949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7061.696434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7061.696434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7061.696434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7061.696434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7061.696434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7061.696434][ T3767] ip6_route_add+0x1c/0x140 [ 7061.696434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7061.696434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.696434][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.696434][ T3767] netlink_unicast+0x449/0x710 [ 7061.696434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.696434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.696434][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.696434][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.696434][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.696434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7061.696434][ T3767] [ 7061.698526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7061.698526][ T3767] netdev_get_by_index+0x5e/0x80 [ 7061.698526][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7061.698526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7061.698526][ T3767] ip6_route_add+0x1c/0x140 [ 7061.698526][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7061.698526][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7061.698526][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7061.698526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.698526][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.698526][ T3767] netlink_unicast+0x449/0x710 [ 7061.698526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.698526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.698526][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.698526][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.698526][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.698526][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7061.698526][ T3767] [ 7061.700741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7061.700741][ T3767] netdev_get_by_index+0x5e/0x80 [ 7061.700741][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7061.700741][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7061.700741][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7061.700741][ T3767] ipv6_add_addr+0x411/0x2000 [ 7061.700741][ T3767] inet6_addr_add+0x30e/0xa40 [ 7061.700741][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7061.700741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.700741][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.700741][ T3767] netlink_unicast+0x449/0x710 [ 7061.700741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.700741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.700741][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.700741][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.700741][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.700741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7061.700741][ T3767] [ 7061.703447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7061.703447][ T3767] netdev_get_by_index+0x5e/0x80 [ 7061.703447][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7061.703447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7061.703447][ T3767] ip6_route_add+0x1c/0x140 [ 7061.703447][ T3767] addrconf_add_mroute+0x129/0x180 [ 7061.703447][ T3767] addrconf_add_dev+0xe2/0x170 [ 7061.703447][ T3767] inet6_addr_add+0x12f/0xa40 [ 7061.703447][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7061.703447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.703447][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.703447][ T3767] netlink_unicast+0x449/0x710 [ 7061.703447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.703447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.703447][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.703447][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.703447][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.703447][ T3767] [ 7061.705629][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7061.705629][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7061.705629][ T3767] ipv6_find_idev+0x102/0x170 [ 7061.705629][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7061.705629][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.705629][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.705629][ T3767] netlink_unicast+0x449/0x710 [ 7061.705629][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.705629][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.705629][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.705629][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.705629][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.705629][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7061.705629][ T3767] [ 7061.707692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7061.707692][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7061.707692][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7061.707692][ T3767] ipv6_find_idev+0x102/0x170 [ 7061.707692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7061.707692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7061.707692][ T3767] netlink_rcv_skb+0x130/0x360 [ 7061.707692][ T3767] netlink_unicast+0x449/0x710 [ 7061.707692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7061.707692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7061.707692][ T3767] ___sys_sendmsg+0xee/0x170 [ 7061.707692][ T3767] __sys_sendmsg+0xcd/0x170 [ 7061.707692][ T3767] do_syscall_64+0xc6/0x1e0 [ 7061.707692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7061.707692][ T3767] [ 7071.959938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7071.960407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7071.960407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7071.960407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7071.960407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7071.960407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7071.960407][ T3767] ip6_route_add+0x1c/0x140 [ 7071.960407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7071.960407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.960407][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.960407][ T3767] netlink_unicast+0x449/0x710 [ 7071.960407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.960407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.960407][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.960407][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.960407][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.960407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7071.960407][ T3767] [ 7071.962738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7071.962738][ T3767] netdev_get_by_index+0x5e/0x80 [ 7071.962738][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7071.962738][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7071.962738][ T3767] ip6_route_add+0x1c/0x140 [ 7071.962738][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7071.962738][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7071.962738][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7071.962738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.962738][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.962738][ T3767] netlink_unicast+0x449/0x710 [ 7071.962738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.962738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.962738][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.962738][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.962738][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.962738][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7071.962738][ T3767] [ 7071.965235][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7071.965235][ T3767] netdev_get_by_index+0x5e/0x80 [ 7071.965235][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7071.965235][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7071.965235][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7071.965235][ T3767] ipv6_add_addr+0x411/0x2000 [ 7071.965235][ T3767] inet6_addr_add+0x30e/0xa40 [ 7071.965235][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7071.965235][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.965235][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.965235][ T3767] netlink_unicast+0x449/0x710 [ 7071.965235][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.965235][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.965235][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.965235][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.965235][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.965235][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7071.965235][ T3767] [ 7071.967716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7071.967716][ T3767] netdev_get_by_index+0x5e/0x80 [ 7071.967716][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7071.967716][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7071.967716][ T3767] ip6_route_add+0x1c/0x140 [ 7071.967716][ T3767] addrconf_add_mroute+0x129/0x180 [ 7071.967716][ T3767] addrconf_add_dev+0xe2/0x170 [ 7071.967716][ T3767] inet6_addr_add+0x12f/0xa40 [ 7071.967716][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7071.967716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.967716][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.967716][ T3767] netlink_unicast+0x449/0x710 [ 7071.967716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.967716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.967716][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.967716][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.967716][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.967716][ T3767] [ 7071.970159][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7071.970159][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7071.970159][ T3767] ipv6_find_idev+0x102/0x170 [ 7071.970159][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7071.970159][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.970159][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.970159][ T3767] netlink_unicast+0x449/0x710 [ 7071.970159][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.970159][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.970159][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.970159][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.970159][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.970159][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7071.970159][ T3767] [ 7071.972057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7071.972057][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7071.972057][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7071.972057][ T3767] ipv6_find_idev+0x102/0x170 [ 7071.972057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7071.972057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7071.972057][ T3767] netlink_rcv_skb+0x130/0x360 [ 7071.972057][ T3767] netlink_unicast+0x449/0x710 [ 7071.972057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7071.972057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7071.972057][ T3767] ___sys_sendmsg+0xee/0x170 [ 7071.972057][ T3767] __sys_sendmsg+0xcd/0x170 [ 7071.972057][ T3767] do_syscall_64+0xc6/0x1e0 [ 7071.972057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7071.972057][ T3767] [ 7082.223936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7082.224395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7082.224395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7082.224395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7082.224395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7082.224395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7082.224395][ T3767] ip6_route_add+0x1c/0x140 [ 7082.224395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7082.224395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.224395][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.224395][ T3767] netlink_unicast+0x449/0x710 [ 7082.224395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.224395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.224395][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.224395][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.224395][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.224395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.224395][ T3767] [ 7082.226717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7082.226717][ T3767] netdev_get_by_index+0x5e/0x80 [ 7082.226717][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7082.226717][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7082.226717][ T3767] ip6_route_add+0x1c/0x140 [ 7082.226717][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7082.226717][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7082.226717][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7082.226717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.226717][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.226717][ T3767] netlink_unicast+0x449/0x710 [ 7082.226717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.226717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.226717][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.226717][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.226717][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.226717][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.226717][ T3767] [ 7082.229184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7082.229184][ T3767] netdev_get_by_index+0x5e/0x80 [ 7082.229184][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7082.229184][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7082.229184][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7082.229184][ T3767] ipv6_add_addr+0x411/0x2000 [ 7082.229184][ T3767] inet6_addr_add+0x30e/0xa40 [ 7082.229184][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7082.229184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.229184][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.229184][ T3767] netlink_unicast+0x449/0x710 [ 7082.229184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.229184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.229184][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.229184][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.229184][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.229184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.229184][ T3767] [ 7082.231658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7082.231658][ T3767] netdev_get_by_index+0x5e/0x80 [ 7082.231658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7082.231658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7082.231658][ T3767] ip6_route_add+0x1c/0x140 [ 7082.231658][ T3767] addrconf_add_mroute+0x129/0x180 [ 7082.231658][ T3767] addrconf_add_dev+0xe2/0x170 [ 7082.231658][ T3767] inet6_addr_add+0x12f/0xa40 [ 7082.231658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7082.231658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.231658][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.231658][ T3767] netlink_unicast+0x449/0x710 [ 7082.231658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.231658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.231658][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.231658][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.231658][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.231658][ T3767] [ 7082.234084][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7082.234084][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7082.234084][ T3767] ipv6_find_idev+0x102/0x170 [ 7082.234084][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7082.234084][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.234084][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.234084][ T3767] netlink_unicast+0x449/0x710 [ 7082.234084][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.234084][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.234084][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.234084][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.234084][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.234084][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.234084][ T3767] [ 7082.235996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7082.235996][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7082.235996][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7082.235996][ T3767] ipv6_find_idev+0x102/0x170 [ 7082.235996][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7082.235996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7082.235996][ T3767] netlink_rcv_skb+0x130/0x360 [ 7082.235996][ T3767] netlink_unicast+0x449/0x710 [ 7082.235996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7082.235996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7082.235996][ T3767] ___sys_sendmsg+0xee/0x170 [ 7082.235996][ T3767] __sys_sendmsg+0xcd/0x170 [ 7082.235996][ T3767] do_syscall_64+0xc6/0x1e0 [ 7082.235996][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7082.235996][ T3767] [ 7092.487930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7092.488448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7092.488448][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7092.488448][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7092.488448][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7092.488448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7092.488448][ T3767] ip6_route_add+0x1c/0x140 [ 7092.488448][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7092.488448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.488448][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.488448][ T3767] netlink_unicast+0x449/0x710 [ 7092.488448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.488448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.488448][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.488448][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.488448][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.488448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.488448][ T3767] [ 7092.490772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7092.490772][ T3767] netdev_get_by_index+0x5e/0x80 [ 7092.490772][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7092.490772][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7092.490772][ T3767] ip6_route_add+0x1c/0x140 [ 7092.490772][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7092.490772][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7092.490772][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7092.490772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.490772][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.490772][ T3767] netlink_unicast+0x449/0x710 [ 7092.490772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.490772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.490772][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.490772][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.490772][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.490772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.490772][ T3767] [ 7092.493224][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7092.493224][ T3767] netdev_get_by_index+0x5e/0x80 [ 7092.493224][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7092.493224][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7092.493224][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7092.493224][ T3767] ipv6_add_addr+0x411/0x2000 [ 7092.493224][ T3767] inet6_addr_add+0x30e/0xa40 [ 7092.493224][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7092.493224][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.493224][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.493224][ T3767] netlink_unicast+0x449/0x710 [ 7092.493224][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.493224][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.493224][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.493224][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.493224][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.493224][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.493224][ T3767] [ 7092.495674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7092.495674][ T3767] netdev_get_by_index+0x5e/0x80 [ 7092.495674][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7092.495674][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7092.495674][ T3767] ip6_route_add+0x1c/0x140 [ 7092.495674][ T3767] addrconf_add_mroute+0x129/0x180 [ 7092.495674][ T3767] addrconf_add_dev+0xe2/0x170 [ 7092.495674][ T3767] inet6_addr_add+0x12f/0xa40 [ 7092.495674][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7092.495674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.495674][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.495674][ T3767] netlink_unicast+0x449/0x710 [ 7092.495674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.495674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.495674][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.495674][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.495674][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.495674][ T3767] [ 7092.498084][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7092.498084][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7092.498084][ T3767] ipv6_find_idev+0x102/0x170 [ 7092.498084][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7092.498084][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.498084][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.498084][ T3767] netlink_unicast+0x449/0x710 [ 7092.498084][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.498084][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.498084][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.498084][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.498084][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.498084][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.498084][ T3767] [ 7092.499973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7092.499973][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7092.499973][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7092.499973][ T3767] ipv6_find_idev+0x102/0x170 [ 7092.499973][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7092.499973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7092.499973][ T3767] netlink_rcv_skb+0x130/0x360 [ 7092.499973][ T3767] netlink_unicast+0x449/0x710 [ 7092.499973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7092.499973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7092.499973][ T3767] ___sys_sendmsg+0xee/0x170 [ 7092.499973][ T3767] __sys_sendmsg+0xcd/0x170 [ 7092.499973][ T3767] do_syscall_64+0xc6/0x1e0 [ 7092.499973][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7092.499973][ T3767] [ 7102.751946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7102.752473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7102.752473][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7102.752473][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7102.752473][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7102.752473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7102.752473][ T3767] ip6_route_add+0x1c/0x140 [ 7102.752473][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7102.752473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.752473][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.752473][ T3767] netlink_unicast+0x449/0x710 [ 7102.752473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.752473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.752473][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.752473][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.752473][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.752473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7102.752473][ T3767] [ 7102.754820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7102.754820][ T3767] netdev_get_by_index+0x5e/0x80 [ 7102.754820][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7102.754820][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7102.754820][ T3767] ip6_route_add+0x1c/0x140 [ 7102.754820][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7102.754820][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7102.754820][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7102.754820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.754820][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.754820][ T3767] netlink_unicast+0x449/0x710 [ 7102.754820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.754820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.754820][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.754820][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.754820][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.754820][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7102.754820][ T3767] [ 7102.757283][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7102.757283][ T3767] netdev_get_by_index+0x5e/0x80 [ 7102.757283][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7102.757283][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7102.757283][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7102.757283][ T3767] ipv6_add_addr+0x411/0x2000 [ 7102.757283][ T3767] inet6_addr_add+0x30e/0xa40 [ 7102.757283][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7102.757283][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.757283][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.757283][ T3767] netlink_unicast+0x449/0x710 [ 7102.757283][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.757283][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.757283][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.757283][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.757283][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.757283][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7102.757283][ T3767] [ 7102.759749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7102.759749][ T3767] netdev_get_by_index+0x5e/0x80 [ 7102.759749][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7102.759749][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7102.759749][ T3767] ip6_route_add+0x1c/0x140 [ 7102.759749][ T3767] addrconf_add_mroute+0x129/0x180 [ 7102.759749][ T3767] addrconf_add_dev+0xe2/0x170 [ 7102.759749][ T3767] inet6_addr_add+0x12f/0xa40 [ 7102.759749][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7102.759749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.759749][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.759749][ T3767] netlink_unicast+0x449/0x710 [ 7102.759749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.759749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.759749][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.759749][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.759749][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.759749][ T3767] [ 7102.762163][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7102.762163][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7102.762163][ T3767] ipv6_find_idev+0x102/0x170 [ 7102.762163][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7102.762163][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.762163][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.762163][ T3767] netlink_unicast+0x449/0x710 [ 7102.762163][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.762163][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.762163][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.762163][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.762163][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.762163][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7102.762163][ T3767] [ 7102.764063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7102.764063][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7102.764063][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7102.764063][ T3767] ipv6_find_idev+0x102/0x170 [ 7102.764063][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7102.764063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7102.764063][ T3767] netlink_rcv_skb+0x130/0x360 [ 7102.764063][ T3767] netlink_unicast+0x449/0x710 [ 7102.764063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7102.764063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7102.764063][ T3767] ___sys_sendmsg+0xee/0x170 [ 7102.764063][ T3767] __sys_sendmsg+0xcd/0x170 [ 7102.764063][ T3767] do_syscall_64+0xc6/0x1e0 [ 7102.764063][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7102.764063][ T3767] [ 7113.015932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7113.016444][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7113.016444][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7113.016444][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7113.016444][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7113.016444][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7113.016444][ T3767] ip6_route_add+0x1c/0x140 [ 7113.016444][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7113.016444][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.016444][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.016444][ T3767] netlink_unicast+0x449/0x710 [ 7113.016444][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.016444][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.016444][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.016444][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.016444][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.016444][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.016444][ T3767] [ 7113.018767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7113.018767][ T3767] netdev_get_by_index+0x5e/0x80 [ 7113.018767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7113.018767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7113.018767][ T3767] ip6_route_add+0x1c/0x140 [ 7113.018767][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7113.018767][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7113.018767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7113.018767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.018767][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.018767][ T3767] netlink_unicast+0x449/0x710 [ 7113.018767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.018767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.018767][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.018767][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.018767][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.018767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.018767][ T3767] [ 7113.021204][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7113.021204][ T3767] netdev_get_by_index+0x5e/0x80 [ 7113.021204][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7113.021204][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7113.021204][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7113.021204][ T3767] ipv6_add_addr+0x411/0x2000 [ 7113.021204][ T3767] inet6_addr_add+0x30e/0xa40 [ 7113.021204][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7113.021204][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.021204][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.021204][ T3767] netlink_unicast+0x449/0x710 [ 7113.021204][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.021204][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.021204][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.021204][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.021204][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.021204][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.021204][ T3767] [ 7113.023656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7113.023656][ T3767] netdev_get_by_index+0x5e/0x80 [ 7113.023656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7113.023656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7113.023656][ T3767] ip6_route_add+0x1c/0x140 [ 7113.023656][ T3767] addrconf_add_mroute+0x129/0x180 [ 7113.023656][ T3767] addrconf_add_dev+0xe2/0x170 [ 7113.023656][ T3767] inet6_addr_add+0x12f/0xa40 [ 7113.023656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7113.023656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.023656][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.023656][ T3767] netlink_unicast+0x449/0x710 [ 7113.023656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.023656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.023656][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.023656][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.023656][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.023656][ T3767] [ 7113.026068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7113.026068][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7113.026068][ T3767] ipv6_find_idev+0x102/0x170 [ 7113.026068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7113.026068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.026068][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.026068][ T3767] netlink_unicast+0x449/0x710 [ 7113.026068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.026068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.026068][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.026068][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.026068][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.026068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.026068][ T3767] [ 7113.027955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7113.027955][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7113.027955][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7113.027955][ T3767] ipv6_find_idev+0x102/0x170 [ 7113.027955][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7113.027955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7113.027955][ T3767] netlink_rcv_skb+0x130/0x360 [ 7113.027955][ T3767] netlink_unicast+0x449/0x710 [ 7113.027955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7113.027955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7113.027955][ T3767] ___sys_sendmsg+0xee/0x170 [ 7113.027955][ T3767] __sys_sendmsg+0xcd/0x170 [ 7113.027955][ T3767] do_syscall_64+0xc6/0x1e0 [ 7113.027955][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7113.027955][ T3767] [ 7123.279934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7123.280455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7123.280455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7123.280455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7123.280455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7123.280455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7123.280455][ T3767] ip6_route_add+0x1c/0x140 [ 7123.280455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7123.280455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.280455][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.280455][ T3767] netlink_unicast+0x449/0x710 [ 7123.280455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.280455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.280455][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.280455][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.280455][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.280455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.280455][ T3767] [ 7123.282783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7123.282783][ T3767] netdev_get_by_index+0x5e/0x80 [ 7123.282783][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7123.282783][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7123.282783][ T3767] ip6_route_add+0x1c/0x140 [ 7123.282783][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7123.282783][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7123.282783][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7123.282783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.282783][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.282783][ T3767] netlink_unicast+0x449/0x710 [ 7123.282783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.282783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.282783][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.282783][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.282783][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.282783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.282783][ T3767] [ 7123.285259][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7123.285259][ T3767] netdev_get_by_index+0x5e/0x80 [ 7123.285259][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7123.285259][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7123.285259][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7123.285259][ T3767] ipv6_add_addr+0x411/0x2000 [ 7123.285259][ T3767] inet6_addr_add+0x30e/0xa40 [ 7123.285259][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7123.285259][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.285259][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.285259][ T3767] netlink_unicast+0x449/0x710 [ 7123.285259][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.285259][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.285259][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.285259][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.285259][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.285259][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.285259][ T3767] [ 7123.287710][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7123.287710][ T3767] netdev_get_by_index+0x5e/0x80 [ 7123.287710][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7123.287710][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7123.287710][ T3767] ip6_route_add+0x1c/0x140 [ 7123.287710][ T3767] addrconf_add_mroute+0x129/0x180 [ 7123.287710][ T3767] addrconf_add_dev+0xe2/0x170 [ 7123.287710][ T3767] inet6_addr_add+0x12f/0xa40 [ 7123.287710][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7123.287710][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.287710][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.287710][ T3767] netlink_unicast+0x449/0x710 [ 7123.287710][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.287710][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.287710][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.287710][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.287710][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.287710][ T3767] [ 7123.290121][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7123.290121][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7123.290121][ T3767] ipv6_find_idev+0x102/0x170 [ 7123.290121][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7123.290121][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.290121][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.290121][ T3767] netlink_unicast+0x449/0x710 [ 7123.290121][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.290121][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.290121][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.290121][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.290121][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.290121][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.290121][ T3767] [ 7123.291996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7123.291996][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7123.291996][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7123.291996][ T3767] ipv6_find_idev+0x102/0x170 [ 7123.291996][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7123.291996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7123.291996][ T3767] netlink_rcv_skb+0x130/0x360 [ 7123.291996][ T3767] netlink_unicast+0x449/0x710 [ 7123.291996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7123.291996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7123.291996][ T3767] ___sys_sendmsg+0xee/0x170 [ 7123.291996][ T3767] __sys_sendmsg+0xcd/0x170 [ 7123.291996][ T3767] do_syscall_64+0xc6/0x1e0 [ 7123.291996][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7123.291996][ T3767] [ 7133.543857][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7133.544380][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7133.544380][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7133.544380][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7133.544380][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7133.544380][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7133.544380][ T3767] ip6_route_add+0x1c/0x140 [ 7133.544380][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7133.544380][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.544380][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.544380][ T3767] netlink_unicast+0x449/0x710 [ 7133.544380][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.544380][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.544380][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.544380][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.544380][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.544380][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.544380][ T3767] [ 7133.546733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7133.546733][ T3767] netdev_get_by_index+0x5e/0x80 [ 7133.546733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7133.546733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7133.546733][ T3767] ip6_route_add+0x1c/0x140 [ 7133.546733][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7133.546733][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7133.546733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7133.546733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.546733][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.546733][ T3767] netlink_unicast+0x449/0x710 [ 7133.546733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.546733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.546733][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.546733][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.546733][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.546733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.546733][ T3767] [ 7133.549196][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7133.549196][ T3767] netdev_get_by_index+0x5e/0x80 [ 7133.549196][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7133.549196][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7133.549196][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7133.549196][ T3767] ipv6_add_addr+0x411/0x2000 [ 7133.549196][ T3767] inet6_addr_add+0x30e/0xa40 [ 7133.549196][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7133.549196][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.549196][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.549196][ T3767] netlink_unicast+0x449/0x710 [ 7133.549196][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.549196][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.549196][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.549196][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.549196][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.549196][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.549196][ T3767] [ 7133.551632][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7133.551632][ T3767] netdev_get_by_index+0x5e/0x80 [ 7133.551632][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7133.551632][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7133.551632][ T3767] ip6_route_add+0x1c/0x140 [ 7133.551632][ T3767] addrconf_add_mroute+0x129/0x180 [ 7133.551632][ T3767] addrconf_add_dev+0xe2/0x170 [ 7133.551632][ T3767] inet6_addr_add+0x12f/0xa40 [ 7133.551632][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7133.551632][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.551632][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.551632][ T3767] netlink_unicast+0x449/0x710 [ 7133.551632][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.551632][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.551632][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.551632][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.551632][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.551632][ T3767] [ 7133.554064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7133.554064][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7133.554064][ T3767] ipv6_find_idev+0x102/0x170 [ 7133.554064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7133.554064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.554064][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.554064][ T3767] netlink_unicast+0x449/0x710 [ 7133.554064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.554064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.554064][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.554064][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.554064][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.554064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.554064][ T3767] [ 7133.555972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7133.555972][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7133.555972][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7133.555972][ T3767] ipv6_find_idev+0x102/0x170 [ 7133.555972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7133.555972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7133.555972][ T3767] netlink_rcv_skb+0x130/0x360 [ 7133.555972][ T3767] netlink_unicast+0x449/0x710 [ 7133.555972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7133.555972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7133.555972][ T3767] ___sys_sendmsg+0xee/0x170 [ 7133.555972][ T3767] __sys_sendmsg+0xcd/0x170 [ 7133.555972][ T3767] do_syscall_64+0xc6/0x1e0 [ 7133.555972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7133.555972][ T3767] [ 7143.807951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7143.808474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7143.808474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7143.808474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7143.808474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7143.808474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7143.808474][ T3767] ip6_route_add+0x1c/0x140 [ 7143.808474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7143.808474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.808474][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.808474][ T3767] netlink_unicast+0x449/0x710 [ 7143.808474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.808474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.808474][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.808474][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.808474][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.808474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7143.808474][ T3767] [ 7143.810790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7143.810790][ T3767] netdev_get_by_index+0x5e/0x80 [ 7143.810790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7143.810790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7143.810790][ T3767] ip6_route_add+0x1c/0x140 [ 7143.810790][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7143.810790][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7143.810790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7143.810790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.810790][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.810790][ T3767] netlink_unicast+0x449/0x710 [ 7143.810790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.810790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.810790][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.810790][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.810790][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.810790][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7143.810790][ T3767] [ 7143.813264][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7143.813264][ T3767] netdev_get_by_index+0x5e/0x80 [ 7143.813264][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7143.813264][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7143.813264][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7143.813264][ T3767] ipv6_add_addr+0x411/0x2000 [ 7143.813264][ T3767] inet6_addr_add+0x30e/0xa40 [ 7143.813264][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7143.813264][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.813264][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.813264][ T3767] netlink_unicast+0x449/0x710 [ 7143.813264][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.813264][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.813264][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.813264][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.813264][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.813264][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7143.813264][ T3767] [ 7143.815740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7143.815740][ T3767] netdev_get_by_index+0x5e/0x80 [ 7143.815740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7143.815740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7143.815740][ T3767] ip6_route_add+0x1c/0x140 [ 7143.815740][ T3767] addrconf_add_mroute+0x129/0x180 [ 7143.815740][ T3767] addrconf_add_dev+0xe2/0x170 [ 7143.815740][ T3767] inet6_addr_add+0x12f/0xa40 [ 7143.815740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7143.815740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.815740][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.815740][ T3767] netlink_unicast+0x449/0x710 [ 7143.815740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.815740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.815740][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.815740][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.815740][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.815740][ T3767] [ 7143.818139][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7143.818139][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7143.818139][ T3767] ipv6_find_idev+0x102/0x170 [ 7143.818139][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7143.818139][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.818139][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.818139][ T3767] netlink_unicast+0x449/0x710 [ 7143.818139][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.818139][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.818139][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.818139][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.818139][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.818139][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7143.818139][ T3767] [ 7143.820031][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7143.820031][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7143.820031][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7143.820031][ T3767] ipv6_find_idev+0x102/0x170 [ 7143.820031][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7143.820031][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7143.820031][ T3767] netlink_rcv_skb+0x130/0x360 [ 7143.820031][ T3767] netlink_unicast+0x449/0x710 [ 7143.820031][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7143.820031][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7143.820031][ T3767] ___sys_sendmsg+0xee/0x170 [ 7143.820031][ T3767] __sys_sendmsg+0xcd/0x170 [ 7143.820031][ T3767] do_syscall_64+0xc6/0x1e0 [ 7143.820031][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7143.820031][ T3767] [ 7154.071967][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7154.072515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7154.072515][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7154.072515][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7154.072515][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7154.072515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7154.072515][ T3767] ip6_route_add+0x1c/0x140 [ 7154.072515][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7154.072515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.072515][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.072515][ T3767] netlink_unicast+0x449/0x710 [ 7154.072515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.072515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.072515][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.072515][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.072515][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.072515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.072515][ T3767] [ 7154.074866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7154.074866][ T3767] netdev_get_by_index+0x5e/0x80 [ 7154.074866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7154.074866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7154.074866][ T3767] ip6_route_add+0x1c/0x140 [ 7154.074866][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7154.074866][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7154.074866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7154.074866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.074866][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.074866][ T3767] netlink_unicast+0x449/0x710 [ 7154.074866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.074866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.074866][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.074866][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.074866][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.074866][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.074866][ T3767] [ 7154.077310][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7154.077310][ T3767] netdev_get_by_index+0x5e/0x80 [ 7154.077310][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7154.077310][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7154.077310][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7154.077310][ T3767] ipv6_add_addr+0x411/0x2000 [ 7154.077310][ T3767] inet6_addr_add+0x30e/0xa40 [ 7154.077310][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7154.077310][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.077310][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.077310][ T3767] netlink_unicast+0x449/0x710 [ 7154.077310][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.077310][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.077310][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.077310][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.077310][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.077310][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.077310][ T3767] [ 7154.079765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7154.079765][ T3767] netdev_get_by_index+0x5e/0x80 [ 7154.079765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7154.079765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7154.079765][ T3767] ip6_route_add+0x1c/0x140 [ 7154.079765][ T3767] addrconf_add_mroute+0x129/0x180 [ 7154.079765][ T3767] addrconf_add_dev+0xe2/0x170 [ 7154.079765][ T3767] inet6_addr_add+0x12f/0xa40 [ 7154.079765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7154.079765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.079765][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.079765][ T3767] netlink_unicast+0x449/0x710 [ 7154.079765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.079765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.079765][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.079765][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.079765][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.079765][ T3767] [ 7154.082174][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7154.082174][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7154.082174][ T3767] ipv6_find_idev+0x102/0x170 [ 7154.082174][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7154.082174][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.082174][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.082174][ T3767] netlink_unicast+0x449/0x710 [ 7154.082174][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.082174][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.082174][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.082174][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.082174][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.082174][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.082174][ T3767] [ 7154.084059][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7154.084059][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7154.084059][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7154.084059][ T3767] ipv6_find_idev+0x102/0x170 [ 7154.084059][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7154.084059][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7154.084059][ T3767] netlink_rcv_skb+0x130/0x360 [ 7154.084059][ T3767] netlink_unicast+0x449/0x710 [ 7154.084059][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7154.084059][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7154.084059][ T3767] ___sys_sendmsg+0xee/0x170 [ 7154.084059][ T3767] __sys_sendmsg+0xcd/0x170 [ 7154.084059][ T3767] do_syscall_64+0xc6/0x1e0 [ 7154.084059][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7154.084059][ T3767] [ 7164.335859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7164.336382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7164.336382][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7164.336382][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7164.336382][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7164.336382][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7164.336382][ T3767] ip6_route_add+0x1c/0x140 [ 7164.336382][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7164.336382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.336382][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.336382][ T3767] netlink_unicast+0x449/0x710 [ 7164.336382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.336382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.336382][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.336382][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.336382][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.336382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.336382][ T3767] [ 7164.339220][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7164.339220][ T3767] netdev_get_by_index+0x5e/0x80 [ 7164.339220][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7164.339220][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7164.339220][ T3767] ip6_route_add+0x1c/0x140 [ 7164.339220][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7164.339220][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7164.339220][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7164.339220][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.339220][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.339220][ T3767] netlink_unicast+0x449/0x710 [ 7164.339220][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.339220][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.339220][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.339220][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.339220][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.339220][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.339220][ T3767] [ 7164.341681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7164.341681][ T3767] netdev_get_by_index+0x5e/0x80 [ 7164.341681][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7164.341681][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7164.341681][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7164.341681][ T3767] ipv6_add_addr+0x411/0x2000 [ 7164.341681][ T3767] inet6_addr_add+0x30e/0xa40 [ 7164.341681][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7164.341681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.341681][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.341681][ T3767] netlink_unicast+0x449/0x710 [ 7164.341681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.341681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.341681][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.341681][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.341681][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.341681][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.341681][ T3767] [ 7164.344149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7164.344149][ T3767] netdev_get_by_index+0x5e/0x80 [ 7164.344149][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7164.344149][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7164.344149][ T3767] ip6_route_add+0x1c/0x140 [ 7164.344149][ T3767] addrconf_add_mroute+0x129/0x180 [ 7164.344149][ T3767] addrconf_add_dev+0xe2/0x170 [ 7164.344149][ T3767] inet6_addr_add+0x12f/0xa40 [ 7164.344149][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7164.344149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.344149][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.344149][ T3767] netlink_unicast+0x449/0x710 [ 7164.344149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.344149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.344149][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.344149][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.344149][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.344149][ T3767] [ 7164.346562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7164.346562][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7164.346562][ T3767] ipv6_find_idev+0x102/0x170 [ 7164.346562][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7164.346562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.346562][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.346562][ T3767] netlink_unicast+0x449/0x710 [ 7164.346562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.346562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.346562][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.346562][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.346562][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.346562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.346562][ T3767] [ 7164.348458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7164.348458][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7164.348458][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7164.348458][ T3767] ipv6_find_idev+0x102/0x170 [ 7164.348458][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7164.348458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7164.348458][ T3767] netlink_rcv_skb+0x130/0x360 [ 7164.348458][ T3767] netlink_unicast+0x449/0x710 [ 7164.348458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7164.348458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7164.348458][ T3767] ___sys_sendmsg+0xee/0x170 [ 7164.348458][ T3767] __sys_sendmsg+0xcd/0x170 [ 7164.348458][ T3767] do_syscall_64+0xc6/0x1e0 [ 7164.348458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7164.348458][ T3767] [ 7174.599930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7174.600450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7174.600450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7174.600450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7174.600450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7174.600450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7174.600450][ T3767] ip6_route_add+0x1c/0x140 [ 7174.600450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7174.600450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.600450][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.600450][ T3767] netlink_unicast+0x449/0x710 [ 7174.600450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.600450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.600450][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.600450][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.600450][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.600450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7174.600450][ T3767] [ 7174.602774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7174.602774][ T3767] netdev_get_by_index+0x5e/0x80 [ 7174.602774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7174.602774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7174.602774][ T3767] ip6_route_add+0x1c/0x140 [ 7174.602774][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7174.602774][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7174.602774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7174.602774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.602774][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.602774][ T3767] netlink_unicast+0x449/0x710 [ 7174.602774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.602774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.602774][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.602774][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.602774][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.602774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7174.602774][ T3767] [ 7174.605328][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7174.605328][ T3767] netdev_get_by_index+0x5e/0x80 [ 7174.605328][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7174.605328][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7174.605328][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7174.605328][ T3767] ipv6_add_addr+0x411/0x2000 [ 7174.605328][ T3767] inet6_addr_add+0x30e/0xa40 [ 7174.605328][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7174.605328][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.605328][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.605328][ T3767] netlink_unicast+0x449/0x710 [ 7174.605328][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.605328][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.605328][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.605328][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.605328][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.605328][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7174.605328][ T3767] [ 7174.607772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7174.607772][ T3767] netdev_get_by_index+0x5e/0x80 [ 7174.607772][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7174.607772][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7174.607772][ T3767] ip6_route_add+0x1c/0x140 [ 7174.607772][ T3767] addrconf_add_mroute+0x129/0x180 [ 7174.607772][ T3767] addrconf_add_dev+0xe2/0x170 [ 7174.607772][ T3767] inet6_addr_add+0x12f/0xa40 [ 7174.607772][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7174.607772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.607772][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.607772][ T3767] netlink_unicast+0x449/0x710 [ 7174.607772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.607772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.607772][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.607772][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.607772][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.607772][ T3767] [ 7174.610184][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7174.610184][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7174.610184][ T3767] ipv6_find_idev+0x102/0x170 [ 7174.610184][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7174.610184][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.610184][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.610184][ T3767] netlink_unicast+0x449/0x710 [ 7174.610184][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.610184][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.610184][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.610184][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.610184][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.610184][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7174.610184][ T3767] [ 7174.612065][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7174.612065][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7174.612065][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7174.612065][ T3767] ipv6_find_idev+0x102/0x170 [ 7174.612065][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7174.612065][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7174.612065][ T3767] netlink_rcv_skb+0x130/0x360 [ 7174.612065][ T3767] netlink_unicast+0x449/0x710 [ 7174.612065][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7174.612065][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7174.612065][ T3767] ___sys_sendmsg+0xee/0x170 [ 7174.612065][ T3767] __sys_sendmsg+0xcd/0x170 [ 7174.612065][ T3767] do_syscall_64+0xc6/0x1e0 [ 7174.612065][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7174.612065][ T3767] [ 7184.863952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7184.864481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7184.864481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7184.864481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7184.864481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7184.864481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7184.864481][ T3767] ip6_route_add+0x1c/0x140 [ 7184.864481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7184.864481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.864481][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.864481][ T3767] netlink_unicast+0x449/0x710 [ 7184.864481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.864481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.864481][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.864481][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.864481][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.864481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7184.864481][ T3767] [ 7184.866818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7184.866818][ T3767] netdev_get_by_index+0x5e/0x80 [ 7184.866818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7184.866818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7184.866818][ T3767] ip6_route_add+0x1c/0x140 [ 7184.866818][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7184.866818][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7184.866818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7184.866818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.866818][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.866818][ T3767] netlink_unicast+0x449/0x710 [ 7184.866818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.866818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.866818][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.866818][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.866818][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.866818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7184.866818][ T3767] [ 7184.869276][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7184.869276][ T3767] netdev_get_by_index+0x5e/0x80 [ 7184.869276][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7184.869276][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7184.869276][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7184.869276][ T3767] ipv6_add_addr+0x411/0x2000 [ 7184.869276][ T3767] inet6_addr_add+0x30e/0xa40 [ 7184.869276][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7184.869276][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.869276][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.869276][ T3767] netlink_unicast+0x449/0x710 [ 7184.869276][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.869276][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.869276][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.869276][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.869276][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.869276][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7184.869276][ T3767] [ 7184.871720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7184.871720][ T3767] netdev_get_by_index+0x5e/0x80 [ 7184.871720][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7184.871720][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7184.871720][ T3767] ip6_route_add+0x1c/0x140 [ 7184.871720][ T3767] addrconf_add_mroute+0x129/0x180 [ 7184.871720][ T3767] addrconf_add_dev+0xe2/0x170 [ 7184.871720][ T3767] inet6_addr_add+0x12f/0xa40 [ 7184.871720][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7184.871720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.871720][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.871720][ T3767] netlink_unicast+0x449/0x710 [ 7184.871720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.871720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.871720][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.871720][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.871720][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.871720][ T3767] [ 7184.874262][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7184.874262][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7184.874262][ T3767] ipv6_find_idev+0x102/0x170 [ 7184.874262][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7184.874262][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.874262][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.874262][ T3767] netlink_unicast+0x449/0x710 [ 7184.874262][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.874262][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.874262][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.874262][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.874262][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.874262][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7184.874262][ T3767] [ 7184.876154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7184.876154][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7184.876154][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7184.876154][ T3767] ipv6_find_idev+0x102/0x170 [ 7184.876154][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7184.876154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7184.876154][ T3767] netlink_rcv_skb+0x130/0x360 [ 7184.876154][ T3767] netlink_unicast+0x449/0x710 [ 7184.876154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7184.876154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7184.876154][ T3767] ___sys_sendmsg+0xee/0x170 [ 7184.876154][ T3767] __sys_sendmsg+0xcd/0x170 [ 7184.876154][ T3767] do_syscall_64+0xc6/0x1e0 [ 7184.876154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7184.876154][ T3767] [ 7194.943944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7194.944401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7194.944401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7194.944401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7194.944401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7194.944401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7194.944401][ T3767] ip6_route_add+0x1c/0x140 [ 7194.944401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7194.944401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.944401][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.944401][ T3767] netlink_unicast+0x449/0x710 [ 7194.944401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.944401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.944401][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.944401][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.944401][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.944401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7194.944401][ T3767] [ 7194.946755][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7194.946755][ T3767] netdev_get_by_index+0x5e/0x80 [ 7194.946755][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7194.946755][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7194.946755][ T3767] ip6_route_add+0x1c/0x140 [ 7194.946755][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7194.946755][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7194.946755][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7194.946755][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.946755][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.946755][ T3767] netlink_unicast+0x449/0x710 [ 7194.946755][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.946755][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.946755][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.946755][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.946755][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.946755][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7194.946755][ T3767] [ 7194.949213][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7194.949213][ T3767] netdev_get_by_index+0x5e/0x80 [ 7194.949213][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7194.949213][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7194.949213][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7194.949213][ T3767] ipv6_add_addr+0x411/0x2000 [ 7194.949213][ T3767] inet6_addr_add+0x30e/0xa40 [ 7194.949213][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7194.949213][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.949213][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.949213][ T3767] netlink_unicast+0x449/0x710 [ 7194.949213][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.949213][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.949213][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.949213][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.949213][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.949213][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7194.949213][ T3767] [ 7194.951668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7194.951668][ T3767] netdev_get_by_index+0x5e/0x80 [ 7194.951668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7194.951668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7194.951668][ T3767] ip6_route_add+0x1c/0x140 [ 7194.951668][ T3767] addrconf_add_mroute+0x129/0x180 [ 7194.951668][ T3767] addrconf_add_dev+0xe2/0x170 [ 7194.951668][ T3767] inet6_addr_add+0x12f/0xa40 [ 7194.951668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7194.951668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.951668][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.951668][ T3767] netlink_unicast+0x449/0x710 [ 7194.951668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.951668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.951668][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.951668][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.951668][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.951668][ T3767] [ 7194.954090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7194.954090][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7194.954090][ T3767] ipv6_find_idev+0x102/0x170 [ 7194.954090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7194.954090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.954090][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.954090][ T3767] netlink_unicast+0x449/0x710 [ 7194.954090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.954090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.954090][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.954090][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.954090][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.954090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7194.954090][ T3767] [ 7194.955983][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7194.955983][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7194.955983][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7194.955983][ T3767] ipv6_find_idev+0x102/0x170 [ 7194.955983][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7194.955983][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7194.955983][ T3767] netlink_rcv_skb+0x130/0x360 [ 7194.955983][ T3767] netlink_unicast+0x449/0x710 [ 7194.955983][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7194.955983][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7194.955983][ T3767] ___sys_sendmsg+0xee/0x170 [ 7194.955983][ T3767] __sys_sendmsg+0xcd/0x170 [ 7194.955983][ T3767] do_syscall_64+0xc6/0x1e0 [ 7194.955983][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7194.955983][ T3767] [ 7205.191932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7205.192429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7205.192429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7205.192429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7205.192429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7205.192429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7205.192429][ T3767] ip6_route_add+0x1c/0x140 [ 7205.192429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7205.192429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.192429][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.192429][ T3767] netlink_unicast+0x449/0x710 [ 7205.192429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.192429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.192429][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.192429][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.192429][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.192429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.192429][ T3767] [ 7205.194768][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7205.194768][ T3767] netdev_get_by_index+0x5e/0x80 [ 7205.194768][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7205.194768][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7205.194768][ T3767] ip6_route_add+0x1c/0x140 [ 7205.194768][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7205.194768][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7205.194768][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7205.194768][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.194768][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.194768][ T3767] netlink_unicast+0x449/0x710 [ 7205.194768][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.194768][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.194768][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.194768][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.194768][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.194768][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.194768][ T3767] [ 7205.197211][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7205.197211][ T3767] netdev_get_by_index+0x5e/0x80 [ 7205.197211][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7205.197211][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7205.197211][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7205.197211][ T3767] ipv6_add_addr+0x411/0x2000 [ 7205.197211][ T3767] inet6_addr_add+0x30e/0xa40 [ 7205.197211][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7205.197211][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.197211][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.197211][ T3767] netlink_unicast+0x449/0x710 [ 7205.197211][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.197211][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.197211][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.197211][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.197211][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.197211][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.197211][ T3767] [ 7205.199658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7205.199658][ T3767] netdev_get_by_index+0x5e/0x80 [ 7205.199658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7205.199658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7205.199658][ T3767] ip6_route_add+0x1c/0x140 [ 7205.199658][ T3767] addrconf_add_mroute+0x129/0x180 [ 7205.199658][ T3767] addrconf_add_dev+0xe2/0x170 [ 7205.199658][ T3767] inet6_addr_add+0x12f/0xa40 [ 7205.199658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7205.199658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.199658][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.199658][ T3767] netlink_unicast+0x449/0x710 [ 7205.199658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.199658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.199658][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.199658][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.199658][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.199658][ T3767] [ 7205.202058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7205.202058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7205.202058][ T3767] ipv6_find_idev+0x102/0x170 [ 7205.202058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7205.202058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.202058][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.202058][ T3767] netlink_unicast+0x449/0x710 [ 7205.202058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.202058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.202058][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.202058][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.202058][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.202058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.202058][ T3767] [ 7205.204044][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7205.204044][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7205.204044][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7205.204044][ T3767] ipv6_find_idev+0x102/0x170 [ 7205.204044][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7205.204044][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7205.204044][ T3767] netlink_rcv_skb+0x130/0x360 [ 7205.204044][ T3767] netlink_unicast+0x449/0x710 [ 7205.204044][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7205.204044][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7205.204044][ T3767] ___sys_sendmsg+0xee/0x170 [ 7205.204044][ T3767] __sys_sendmsg+0xcd/0x170 [ 7205.204044][ T3767] do_syscall_64+0xc6/0x1e0 [ 7205.204044][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7205.204044][ T3767] [ 7215.447948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7215.448492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7215.448492][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7215.448492][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7215.448492][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7215.448492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7215.448492][ T3767] ip6_route_add+0x1c/0x140 [ 7215.448492][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7215.448492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.448492][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.448492][ T3767] netlink_unicast+0x449/0x710 [ 7215.448492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.448492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.448492][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.448492][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.448492][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.448492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.448492][ T3767] [ 7215.450821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7215.450821][ T3767] netdev_get_by_index+0x5e/0x80 [ 7215.450821][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7215.450821][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7215.450821][ T3767] ip6_route_add+0x1c/0x140 [ 7215.450821][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7215.450821][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7215.450821][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7215.450821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.450821][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.450821][ T3767] netlink_unicast+0x449/0x710 [ 7215.450821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.450821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.450821][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.450821][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.450821][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.450821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.450821][ T3767] [ 7215.453281][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7215.453281][ T3767] netdev_get_by_index+0x5e/0x80 [ 7215.453281][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7215.453281][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7215.453281][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7215.453281][ T3767] ipv6_add_addr+0x411/0x2000 [ 7215.453281][ T3767] inet6_addr_add+0x30e/0xa40 [ 7215.453281][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7215.453281][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.453281][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.453281][ T3767] netlink_unicast+0x449/0x710 [ 7215.453281][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.453281][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.453281][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.453281][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.453281][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.453281][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.453281][ T3767] [ 7215.455718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7215.455718][ T3767] netdev_get_by_index+0x5e/0x80 [ 7215.455718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7215.455718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7215.455718][ T3767] ip6_route_add+0x1c/0x140 [ 7215.455718][ T3767] addrconf_add_mroute+0x129/0x180 [ 7215.455718][ T3767] addrconf_add_dev+0xe2/0x170 [ 7215.455718][ T3767] inet6_addr_add+0x12f/0xa40 [ 7215.455718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7215.455718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.455718][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.455718][ T3767] netlink_unicast+0x449/0x710 [ 7215.455718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.455718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.455718][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.455718][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.455718][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.455718][ T3767] [ 7215.458130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7215.458130][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7215.458130][ T3767] ipv6_find_idev+0x102/0x170 [ 7215.458130][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7215.458130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.458130][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.458130][ T3767] netlink_unicast+0x449/0x710 [ 7215.458130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.458130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.458130][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.458130][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.458130][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.458130][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.458130][ T3767] [ 7215.460000][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7215.460000][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7215.460000][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7215.460000][ T3767] ipv6_find_idev+0x102/0x170 [ 7215.460000][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7215.460000][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7215.460000][ T3767] netlink_rcv_skb+0x130/0x360 [ 7215.460000][ T3767] netlink_unicast+0x449/0x710 [ 7215.460000][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7215.460000][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7215.460000][ T3767] ___sys_sendmsg+0xee/0x170 [ 7215.460000][ T3767] __sys_sendmsg+0xcd/0x170 [ 7215.460000][ T3767] do_syscall_64+0xc6/0x1e0 [ 7215.460000][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7215.460000][ T3767] [ 7225.703871][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7225.704395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7225.704395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7225.704395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7225.704395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7225.704395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7225.704395][ T3767] ip6_route_add+0x1c/0x140 [ 7225.704395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7225.704395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.704395][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.704395][ T3767] netlink_unicast+0x449/0x710 [ 7225.704395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.704395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.704395][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.704395][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.704395][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.704395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7225.704395][ T3767] [ 7225.706720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7225.706720][ T3767] netdev_get_by_index+0x5e/0x80 [ 7225.706720][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7225.706720][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7225.706720][ T3767] ip6_route_add+0x1c/0x140 [ 7225.706720][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7225.706720][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7225.706720][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7225.706720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.706720][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.706720][ T3767] netlink_unicast+0x449/0x710 [ 7225.706720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.706720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.706720][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.706720][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.706720][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.706720][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7225.706720][ T3767] [ 7225.709158][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7225.709158][ T3767] netdev_get_by_index+0x5e/0x80 [ 7225.709158][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7225.709158][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7225.709158][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7225.709158][ T3767] ipv6_add_addr+0x411/0x2000 [ 7225.709158][ T3767] inet6_addr_add+0x30e/0xa40 [ 7225.709158][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7225.709158][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.709158][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.709158][ T3767] netlink_unicast+0x449/0x710 [ 7225.709158][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.709158][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.709158][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.709158][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.709158][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.709158][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7225.709158][ T3767] [ 7225.711611][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7225.711611][ T3767] netdev_get_by_index+0x5e/0x80 [ 7225.711611][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7225.711611][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7225.711611][ T3767] ip6_route_add+0x1c/0x140 [ 7225.711611][ T3767] addrconf_add_mroute+0x129/0x180 [ 7225.711611][ T3767] addrconf_add_dev+0xe2/0x170 [ 7225.711611][ T3767] inet6_addr_add+0x12f/0xa40 [ 7225.711611][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7225.711611][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.711611][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.711611][ T3767] netlink_unicast+0x449/0x710 [ 7225.711611][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.711611][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.711611][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.711611][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.711611][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.711611][ T3767] [ 7225.714004][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7225.714004][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7225.714004][ T3767] ipv6_find_idev+0x102/0x170 [ 7225.714004][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7225.714004][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.714004][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.714004][ T3767] netlink_unicast+0x449/0x710 [ 7225.714004][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.714004][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.714004][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.714004][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.714004][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.714004][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7225.714004][ T3767] [ 7225.715876][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7225.715876][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7225.715876][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7225.715876][ T3767] ipv6_find_idev+0x102/0x170 [ 7225.715876][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7225.715876][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7225.715876][ T3767] netlink_rcv_skb+0x130/0x360 [ 7225.715876][ T3767] netlink_unicast+0x449/0x710 [ 7225.715876][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7225.715876][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7225.715876][ T3767] ___sys_sendmsg+0xee/0x170 [ 7225.715876][ T3767] __sys_sendmsg+0xcd/0x170 [ 7225.715876][ T3767] do_syscall_64+0xc6/0x1e0 [ 7225.715876][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7225.715876][ T3767] [ 7235.959936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7235.960452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7235.960452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7235.960452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7235.960452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7235.960452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7235.960452][ T3767] ip6_route_add+0x1c/0x140 [ 7235.960452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7235.960452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.960452][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.960452][ T3767] netlink_unicast+0x449/0x710 [ 7235.960452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.960452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.960452][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.960452][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.960452][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.960452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7235.960452][ T3767] [ 7235.962770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7235.962770][ T3767] netdev_get_by_index+0x5e/0x80 [ 7235.962770][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7235.962770][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7235.962770][ T3767] ip6_route_add+0x1c/0x140 [ 7235.962770][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7235.962770][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7235.962770][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7235.962770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.962770][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.962770][ T3767] netlink_unicast+0x449/0x710 [ 7235.962770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.962770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.962770][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.962770][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.962770][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.962770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7235.962770][ T3767] [ 7235.965206][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7235.965206][ T3767] netdev_get_by_index+0x5e/0x80 [ 7235.965206][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7235.965206][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7235.965206][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7235.965206][ T3767] ipv6_add_addr+0x411/0x2000 [ 7235.965206][ T3767] inet6_addr_add+0x30e/0xa40 [ 7235.965206][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7235.965206][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.965206][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.965206][ T3767] netlink_unicast+0x449/0x710 [ 7235.965206][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.965206][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.965206][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.965206][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.965206][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.965206][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7235.965206][ T3767] [ 7235.967654][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7235.967654][ T3767] netdev_get_by_index+0x5e/0x80 [ 7235.967654][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7235.967654][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7235.967654][ T3767] ip6_route_add+0x1c/0x140 [ 7235.967654][ T3767] addrconf_add_mroute+0x129/0x180 [ 7235.967654][ T3767] addrconf_add_dev+0xe2/0x170 [ 7235.967654][ T3767] inet6_addr_add+0x12f/0xa40 [ 7235.967654][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7235.967654][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.967654][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.967654][ T3767] netlink_unicast+0x449/0x710 [ 7235.967654][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.967654][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.967654][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.967654][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.967654][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.967654][ T3767] [ 7235.970050][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7235.970050][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7235.970050][ T3767] ipv6_find_idev+0x102/0x170 [ 7235.970050][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7235.970050][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.970050][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.970050][ T3767] netlink_unicast+0x449/0x710 [ 7235.970050][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.970050][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.970050][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.970050][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.970050][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.970050][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7235.970050][ T3767] [ 7235.971933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7235.971933][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7235.971933][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7235.971933][ T3767] ipv6_find_idev+0x102/0x170 [ 7235.971933][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7235.971933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7235.971933][ T3767] netlink_rcv_skb+0x130/0x360 [ 7235.971933][ T3767] netlink_unicast+0x449/0x710 [ 7235.971933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7235.971933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7235.971933][ T3767] ___sys_sendmsg+0xee/0x170 [ 7235.971933][ T3767] __sys_sendmsg+0xcd/0x170 [ 7235.971933][ T3767] do_syscall_64+0xc6/0x1e0 [ 7235.971933][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7235.971933][ T3767] [ 7246.039934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7246.040492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7246.040492][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7246.040492][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7246.040492][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7246.040492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7246.040492][ T3767] ip6_route_add+0x1c/0x140 [ 7246.040492][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7246.040492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.040492][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.040492][ T3767] netlink_unicast+0x449/0x710 [ 7246.040492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.040492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.040492][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.040492][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.040492][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.040492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.040492][ T3767] [ 7246.042821][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7246.042821][ T3767] netdev_get_by_index+0x5e/0x80 [ 7246.042821][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7246.042821][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7246.042821][ T3767] ip6_route_add+0x1c/0x140 [ 7246.042821][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7246.042821][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7246.042821][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7246.042821][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.042821][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.042821][ T3767] netlink_unicast+0x449/0x710 [ 7246.042821][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.042821][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.042821][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.042821][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.042821][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.042821][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.042821][ T3767] [ 7246.046154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7246.046154][ T3767] netdev_get_by_index+0x5e/0x80 [ 7246.046154][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7246.046154][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7246.046154][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7246.046154][ T3767] ipv6_add_addr+0x411/0x2000 [ 7246.046154][ T3767] inet6_addr_add+0x30e/0xa40 [ 7246.046154][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7246.046154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.046154][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.046154][ T3767] netlink_unicast+0x449/0x710 [ 7246.046154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.046154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.046154][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.046154][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.046154][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.046154][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.046154][ T3767] [ 7246.048571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7246.048571][ T3767] netdev_get_by_index+0x5e/0x80 [ 7246.048571][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7246.048571][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7246.048571][ T3767] ip6_route_add+0x1c/0x140 [ 7246.048571][ T3767] addrconf_add_mroute+0x129/0x180 [ 7246.048571][ T3767] addrconf_add_dev+0xe2/0x170 [ 7246.048571][ T3767] inet6_addr_add+0x12f/0xa40 [ 7246.048571][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7246.048571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.048571][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.048571][ T3767] netlink_unicast+0x449/0x710 [ 7246.048571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.048571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.048571][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.048571][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.048571][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.048571][ T3767] [ 7246.050967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7246.050967][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7246.050967][ T3767] ipv6_find_idev+0x102/0x170 [ 7246.050967][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7246.050967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.050967][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.050967][ T3767] netlink_unicast+0x449/0x710 [ 7246.050967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.050967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.050967][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.050967][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.050967][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.050967][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.050967][ T3767] [ 7246.052858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7246.052858][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7246.052858][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7246.052858][ T3767] ipv6_find_idev+0x102/0x170 [ 7246.052858][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7246.052858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.052858][ T3767] netlink_rcv_skb+0x130/0x360 [ 7246.052858][ T3767] netlink_unicast+0x449/0x710 [ 7246.052858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7246.052858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7246.052858][ T3767] ___sys_sendmsg+0xee/0x170 [ 7246.052858][ T3767] __sys_sendmsg+0xcd/0x170 [ 7246.052858][ T3767] do_syscall_64+0xc6/0x1e0 [ 7246.052858][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.052858][ T3767] [ 7256.303980][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7256.304505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7256.304505][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7256.304505][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7256.304505][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7256.304505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7256.304505][ T3767] ip6_route_add+0x1c/0x140 [ 7256.304505][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7256.304505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.304505][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.304505][ T3767] netlink_unicast+0x449/0x710 [ 7256.304505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.304505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.304505][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.304505][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.304505][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.304505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.304505][ T3767] [ 7256.306833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7256.306833][ T3767] netdev_get_by_index+0x5e/0x80 [ 7256.306833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7256.306833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7256.306833][ T3767] ip6_route_add+0x1c/0x140 [ 7256.306833][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7256.306833][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7256.306833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7256.306833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.306833][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.306833][ T3767] netlink_unicast+0x449/0x710 [ 7256.306833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.306833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.306833][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.306833][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.306833][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.306833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.306833][ T3767] [ 7256.309278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7256.309278][ T3767] netdev_get_by_index+0x5e/0x80 [ 7256.309278][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7256.309278][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7256.309278][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7256.309278][ T3767] ipv6_add_addr+0x411/0x2000 [ 7256.309278][ T3767] inet6_addr_add+0x30e/0xa40 [ 7256.309278][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7256.309278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.309278][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.309278][ T3767] netlink_unicast+0x449/0x710 [ 7256.309278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.309278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.309278][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.309278][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.309278][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.309278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.309278][ T3767] [ 7256.311707][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7256.311707][ T3767] netdev_get_by_index+0x5e/0x80 [ 7256.311707][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7256.311707][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7256.311707][ T3767] ip6_route_add+0x1c/0x140 [ 7256.311707][ T3767] addrconf_add_mroute+0x129/0x180 [ 7256.311707][ T3767] addrconf_add_dev+0xe2/0x170 [ 7256.311707][ T3767] inet6_addr_add+0x12f/0xa40 [ 7256.311707][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7256.311707][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.311707][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.311707][ T3767] netlink_unicast+0x449/0x710 [ 7256.311707][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.311707][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.311707][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.311707][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.311707][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.311707][ T3767] [ 7256.314091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7256.314091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7256.314091][ T3767] ipv6_find_idev+0x102/0x170 [ 7256.314091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7256.314091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.314091][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.314091][ T3767] netlink_unicast+0x449/0x710 [ 7256.314091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.314091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.314091][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.314091][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.314091][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.314091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.314091][ T3767] [ 7256.315968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7256.315968][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7256.315968][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7256.315968][ T3767] ipv6_find_idev+0x102/0x170 [ 7256.315968][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7256.315968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.315968][ T3767] netlink_rcv_skb+0x130/0x360 [ 7256.315968][ T3767] netlink_unicast+0x449/0x710 [ 7256.315968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7256.315968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7256.315968][ T3767] ___sys_sendmsg+0xee/0x170 [ 7256.315968][ T3767] __sys_sendmsg+0xcd/0x170 [ 7256.315968][ T3767] do_syscall_64+0xc6/0x1e0 [ 7256.315968][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.315968][ T3767] [ 7266.559936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7266.560450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7266.560450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7266.560450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7266.560450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7266.560450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7266.560450][ T3767] ip6_route_add+0x1c/0x140 [ 7266.560450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7266.560450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.560450][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.560450][ T3767] netlink_unicast+0x449/0x710 [ 7266.560450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.560450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.560450][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.560450][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.560450][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.560450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.560450][ T3767] [ 7266.562780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7266.562780][ T3767] netdev_get_by_index+0x5e/0x80 [ 7266.562780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7266.562780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7266.562780][ T3767] ip6_route_add+0x1c/0x140 [ 7266.562780][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7266.562780][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7266.562780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7266.562780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.562780][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.562780][ T3767] netlink_unicast+0x449/0x710 [ 7266.562780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.562780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.562780][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.562780][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.562780][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.562780][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.562780][ T3767] [ 7266.565222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7266.565222][ T3767] netdev_get_by_index+0x5e/0x80 [ 7266.565222][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7266.565222][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7266.565222][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7266.565222][ T3767] ipv6_add_addr+0x411/0x2000 [ 7266.565222][ T3767] inet6_addr_add+0x30e/0xa40 [ 7266.565222][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7266.565222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.565222][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.565222][ T3767] netlink_unicast+0x449/0x710 [ 7266.565222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.565222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.565222][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.565222][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.565222][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.565222][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.565222][ T3767] [ 7266.567664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7266.567664][ T3767] netdev_get_by_index+0x5e/0x80 [ 7266.567664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7266.567664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7266.567664][ T3767] ip6_route_add+0x1c/0x140 [ 7266.567664][ T3767] addrconf_add_mroute+0x129/0x180 [ 7266.567664][ T3767] addrconf_add_dev+0xe2/0x170 [ 7266.567664][ T3767] inet6_addr_add+0x12f/0xa40 [ 7266.567664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7266.567664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.567664][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.567664][ T3767] netlink_unicast+0x449/0x710 [ 7266.567664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.567664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.567664][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.567664][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.567664][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.567664][ T3767] [ 7266.570052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7266.570052][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7266.570052][ T3767] ipv6_find_idev+0x102/0x170 [ 7266.570052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7266.570052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.570052][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.570052][ T3767] netlink_unicast+0x449/0x710 [ 7266.570052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.570052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.570052][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.570052][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.570052][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.570052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.570052][ T3767] [ 7266.571909][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7266.571909][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7266.571909][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7266.571909][ T3767] ipv6_find_idev+0x102/0x170 [ 7266.571909][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7266.571909][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.571909][ T3767] netlink_rcv_skb+0x130/0x360 [ 7266.571909][ T3767] netlink_unicast+0x449/0x710 [ 7266.571909][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7266.571909][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7266.571909][ T3767] ___sys_sendmsg+0xee/0x170 [ 7266.571909][ T3767] __sys_sendmsg+0xcd/0x170 [ 7266.571909][ T3767] do_syscall_64+0xc6/0x1e0 [ 7266.571909][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.571909][ T3767] [ 7276.823940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7276.824481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7276.824481][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7276.824481][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7276.824481][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7276.824481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7276.824481][ T3767] ip6_route_add+0x1c/0x140 [ 7276.824481][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7276.824481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.824481][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.824481][ T3767] netlink_unicast+0x449/0x710 [ 7276.824481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.824481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.824481][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.824481][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.824481][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.824481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7276.824481][ T3767] [ 7276.826841][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7276.826841][ T3767] netdev_get_by_index+0x5e/0x80 [ 7276.826841][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7276.826841][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7276.826841][ T3767] ip6_route_add+0x1c/0x140 [ 7276.826841][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7276.826841][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7276.826841][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7276.826841][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.826841][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.826841][ T3767] netlink_unicast+0x449/0x710 [ 7276.826841][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.826841][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.826841][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.826841][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.826841][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.826841][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7276.826841][ T3767] [ 7276.829383][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7276.829383][ T3767] netdev_get_by_index+0x5e/0x80 [ 7276.829383][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7276.829383][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7276.829383][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7276.829383][ T3767] ipv6_add_addr+0x411/0x2000 [ 7276.829383][ T3767] inet6_addr_add+0x30e/0xa40 [ 7276.829383][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7276.829383][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.829383][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.829383][ T3767] netlink_unicast+0x449/0x710 [ 7276.829383][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.829383][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.829383][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.829383][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.829383][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.829383][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7276.829383][ T3767] [ 7276.831884][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7276.831884][ T3767] netdev_get_by_index+0x5e/0x80 [ 7276.831884][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7276.831884][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7276.831884][ T3767] ip6_route_add+0x1c/0x140 [ 7276.831884][ T3767] addrconf_add_mroute+0x129/0x180 [ 7276.831884][ T3767] addrconf_add_dev+0xe2/0x170 [ 7276.831884][ T3767] inet6_addr_add+0x12f/0xa40 [ 7276.831884][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7276.831884][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.831884][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.831884][ T3767] netlink_unicast+0x449/0x710 [ 7276.831884][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.831884][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.831884][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.831884][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.831884][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.831884][ T3767] [ 7276.834355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7276.834355][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7276.834355][ T3767] ipv6_find_idev+0x102/0x170 [ 7276.834355][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7276.834355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.834355][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.834355][ T3767] netlink_unicast+0x449/0x710 [ 7276.834355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.834355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.834355][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.834355][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.834355][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.834355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7276.834355][ T3767] [ 7276.836295][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7276.836295][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7276.836295][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7276.836295][ T3767] ipv6_find_idev+0x102/0x170 [ 7276.836295][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7276.836295][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7276.836295][ T3767] netlink_rcv_skb+0x130/0x360 [ 7276.836295][ T3767] netlink_unicast+0x449/0x710 [ 7276.836295][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7276.836295][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7276.836295][ T3767] ___sys_sendmsg+0xee/0x170 [ 7276.836295][ T3767] __sys_sendmsg+0xcd/0x170 [ 7276.836295][ T3767] do_syscall_64+0xc6/0x1e0 [ 7276.836295][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7276.836295][ T3767] [ 7287.087934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7287.088497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7287.088497][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7287.088497][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7287.088497][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7287.088497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7287.088497][ T3767] ip6_route_add+0x1c/0x140 [ 7287.088497][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7287.088497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.088497][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.088497][ T3767] netlink_unicast+0x449/0x710 [ 7287.088497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.088497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.088497][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.088497][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.088497][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.088497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.088497][ T3767] [ 7287.090863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7287.090863][ T3767] netdev_get_by_index+0x5e/0x80 [ 7287.090863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7287.090863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7287.090863][ T3767] ip6_route_add+0x1c/0x140 [ 7287.090863][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7287.090863][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7287.090863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7287.090863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.090863][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.090863][ T3767] netlink_unicast+0x449/0x710 [ 7287.090863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.090863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.090863][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.090863][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.090863][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.090863][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.090863][ T3767] [ 7287.093335][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7287.093335][ T3767] netdev_get_by_index+0x5e/0x80 [ 7287.093335][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7287.093335][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7287.093335][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7287.093335][ T3767] ipv6_add_addr+0x411/0x2000 [ 7287.093335][ T3767] inet6_addr_add+0x30e/0xa40 [ 7287.093335][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7287.093335][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.093335][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.093335][ T3767] netlink_unicast+0x449/0x710 [ 7287.093335][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.093335][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.093335][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.093335][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.093335][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.093335][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.093335][ T3767] [ 7287.095797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7287.095797][ T3767] netdev_get_by_index+0x5e/0x80 [ 7287.095797][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7287.095797][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7287.095797][ T3767] ip6_route_add+0x1c/0x140 [ 7287.095797][ T3767] addrconf_add_mroute+0x129/0x180 [ 7287.095797][ T3767] addrconf_add_dev+0xe2/0x170 [ 7287.095797][ T3767] inet6_addr_add+0x12f/0xa40 [ 7287.095797][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7287.095797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.095797][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.095797][ T3767] netlink_unicast+0x449/0x710 [ 7287.095797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.095797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.095797][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.095797][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.095797][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.095797][ T3767] [ 7287.098220][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7287.098220][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7287.098220][ T3767] ipv6_find_idev+0x102/0x170 [ 7287.098220][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7287.098220][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.098220][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.098220][ T3767] netlink_unicast+0x449/0x710 [ 7287.098220][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.098220][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.098220][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.098220][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.098220][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.098220][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.098220][ T3767] [ 7287.100129][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7287.100129][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7287.100129][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7287.100129][ T3767] ipv6_find_idev+0x102/0x170 [ 7287.100129][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7287.100129][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.100129][ T3767] netlink_rcv_skb+0x130/0x360 [ 7287.100129][ T3767] netlink_unicast+0x449/0x710 [ 7287.100129][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7287.100129][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7287.100129][ T3767] ___sys_sendmsg+0xee/0x170 [ 7287.100129][ T3767] __sys_sendmsg+0xcd/0x170 [ 7287.100129][ T3767] do_syscall_64+0xc6/0x1e0 [ 7287.100129][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.100129][ T3767] [ 7297.351958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7297.352504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7297.352504][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7297.352504][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7297.352504][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7297.352504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7297.352504][ T3767] ip6_route_add+0x1c/0x140 [ 7297.352504][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7297.352504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.352504][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.352504][ T3767] netlink_unicast+0x449/0x710 [ 7297.352504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.352504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.352504][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.352504][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.352504][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.352504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.352504][ T3767] [ 7297.354864][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7297.354864][ T3767] netdev_get_by_index+0x5e/0x80 [ 7297.354864][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7297.354864][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7297.354864][ T3767] ip6_route_add+0x1c/0x140 [ 7297.354864][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7297.354864][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7297.354864][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7297.354864][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.354864][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.354864][ T3767] netlink_unicast+0x449/0x710 [ 7297.354864][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.354864][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.354864][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.354864][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.354864][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.354864][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.354864][ T3767] [ 7297.357359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7297.357359][ T3767] netdev_get_by_index+0x5e/0x80 [ 7297.357359][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7297.357359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7297.357359][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7297.357359][ T3767] ipv6_add_addr+0x411/0x2000 [ 7297.357359][ T3767] inet6_addr_add+0x30e/0xa40 [ 7297.357359][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7297.357359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.357359][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.357359][ T3767] netlink_unicast+0x449/0x710 [ 7297.357359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.357359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.357359][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.357359][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.357359][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.357359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.357359][ T3767] [ 7297.359861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7297.359861][ T3767] netdev_get_by_index+0x5e/0x80 [ 7297.359861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7297.359861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7297.359861][ T3767] ip6_route_add+0x1c/0x140 [ 7297.359861][ T3767] addrconf_add_mroute+0x129/0x180 [ 7297.359861][ T3767] addrconf_add_dev+0xe2/0x170 [ 7297.359861][ T3767] inet6_addr_add+0x12f/0xa40 [ 7297.359861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7297.359861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.359861][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.359861][ T3767] netlink_unicast+0x449/0x710 [ 7297.359861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.359861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.359861][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.359861][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.359861][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.359861][ T3767] [ 7297.362391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7297.362391][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7297.362391][ T3767] ipv6_find_idev+0x102/0x170 [ 7297.362391][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7297.362391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.362391][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.362391][ T3767] netlink_unicast+0x449/0x710 [ 7297.362391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.362391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.362391][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.362391][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.362391][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.362391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.362391][ T3767] [ 7297.364098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7297.364098][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7297.364098][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7297.364098][ T3767] ipv6_find_idev+0x102/0x170 [ 7297.364098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7297.364098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.364098][ T3767] netlink_rcv_skb+0x130/0x360 [ 7297.364098][ T3767] netlink_unicast+0x449/0x710 [ 7297.364098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7297.364098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7297.364098][ T3767] ___sys_sendmsg+0xee/0x170 [ 7297.364098][ T3767] __sys_sendmsg+0xcd/0x170 [ 7297.364098][ T3767] do_syscall_64+0xc6/0x1e0 [ 7297.364098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.364098][ T3767] [ 7307.615937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7307.616375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7307.616375][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7307.616375][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7307.616375][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7307.616375][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7307.616375][ T3767] ip6_route_add+0x1c/0x140 [ 7307.616375][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7307.616375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.616375][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.616375][ T3767] netlink_unicast+0x449/0x710 [ 7307.616375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.616375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.616375][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.616375][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.616375][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.616375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.616375][ T3767] [ 7307.618458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7307.618458][ T3767] netdev_get_by_index+0x5e/0x80 [ 7307.618458][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7307.618458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7307.618458][ T3767] ip6_route_add+0x1c/0x140 [ 7307.618458][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7307.618458][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7307.618458][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7307.618458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.618458][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.618458][ T3767] netlink_unicast+0x449/0x710 [ 7307.618458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.618458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.618458][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.618458][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.618458][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.618458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.618458][ T3767] [ 7307.620648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7307.620648][ T3767] netdev_get_by_index+0x5e/0x80 [ 7307.620648][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7307.620648][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7307.620648][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7307.620648][ T3767] ipv6_add_addr+0x411/0x2000 [ 7307.620648][ T3767] inet6_addr_add+0x30e/0xa40 [ 7307.620648][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7307.620648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.620648][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.620648][ T3767] netlink_unicast+0x449/0x710 [ 7307.620648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.620648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.620648][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.620648][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.620648][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.620648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.620648][ T3767] [ 7307.622882][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7307.622882][ T3767] netdev_get_by_index+0x5e/0x80 [ 7307.622882][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7307.622882][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7307.622882][ T3767] ip6_route_add+0x1c/0x140 [ 7307.622882][ T3767] addrconf_add_mroute+0x129/0x180 [ 7307.622882][ T3767] addrconf_add_dev+0xe2/0x170 [ 7307.622882][ T3767] inet6_addr_add+0x12f/0xa40 [ 7307.622882][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7307.622882][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.622882][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.622882][ T3767] netlink_unicast+0x449/0x710 [ 7307.622882][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.622882][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.622882][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.622882][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.622882][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.622882][ T3767] [ 7307.625030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7307.625030][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7307.625030][ T3767] ipv6_find_idev+0x102/0x170 [ 7307.625030][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7307.625030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.625030][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.625030][ T3767] netlink_unicast+0x449/0x710 [ 7307.625030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.625030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.625030][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.625030][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.625030][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.625030][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.625030][ T3767] [ 7307.626738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7307.626738][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7307.626738][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7307.626738][ T3767] ipv6_find_idev+0x102/0x170 [ 7307.626738][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7307.626738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.626738][ T3767] netlink_rcv_skb+0x130/0x360 [ 7307.626738][ T3767] netlink_unicast+0x449/0x710 [ 7307.626738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7307.626738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7307.626738][ T3767] ___sys_sendmsg+0xee/0x170 [ 7307.626738][ T3767] __sys_sendmsg+0xcd/0x170 [ 7307.626738][ T3767] do_syscall_64+0xc6/0x1e0 [ 7307.626738][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.626738][ T3767] [ 7317.663932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7317.664442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7317.664442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7317.664442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7317.664442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7317.664442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7317.664442][ T3767] ip6_route_add+0x1c/0x140 [ 7317.664442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7317.664442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.664442][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.664442][ T3767] netlink_unicast+0x449/0x710 [ 7317.664442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.664442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.664442][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.664442][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.664442][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.664442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7317.664442][ T3767] [ 7317.666544][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7317.666544][ T3767] netdev_get_by_index+0x5e/0x80 [ 7317.666544][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7317.666544][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7317.666544][ T3767] ip6_route_add+0x1c/0x140 [ 7317.666544][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7317.666544][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7317.666544][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7317.666544][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.666544][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.666544][ T3767] netlink_unicast+0x449/0x710 [ 7317.666544][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.666544][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.666544][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.666544][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.666544][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.666544][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7317.666544][ T3767] [ 7317.668756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7317.668756][ T3767] netdev_get_by_index+0x5e/0x80 [ 7317.668756][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7317.668756][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7317.668756][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7317.668756][ T3767] ipv6_add_addr+0x411/0x2000 [ 7317.668756][ T3767] inet6_addr_add+0x30e/0xa40 [ 7317.668756][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7317.668756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.668756][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.668756][ T3767] netlink_unicast+0x449/0x710 [ 7317.668756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.668756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.668756][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.668756][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.668756][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.668756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7317.668756][ T3767] [ 7317.670957][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7317.670957][ T3767] netdev_get_by_index+0x5e/0x80 [ 7317.670957][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7317.670957][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7317.670957][ T3767] ip6_route_add+0x1c/0x140 [ 7317.670957][ T3767] addrconf_add_mroute+0x129/0x180 [ 7317.670957][ T3767] addrconf_add_dev+0xe2/0x170 [ 7317.670957][ T3767] inet6_addr_add+0x12f/0xa40 [ 7317.670957][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7317.670957][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.670957][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.670957][ T3767] netlink_unicast+0x449/0x710 [ 7317.670957][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.670957][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.670957][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.670957][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.670957][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.670957][ T3767] [ 7317.673132][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7317.673132][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7317.673132][ T3767] ipv6_find_idev+0x102/0x170 [ 7317.673132][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7317.673132][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.673132][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.673132][ T3767] netlink_unicast+0x449/0x710 [ 7317.673132][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.673132][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.673132][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.673132][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.673132][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.673132][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7317.673132][ T3767] [ 7317.674824][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7317.674824][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7317.674824][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7317.674824][ T3767] ipv6_find_idev+0x102/0x170 [ 7317.674824][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7317.674824][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7317.674824][ T3767] netlink_rcv_skb+0x130/0x360 [ 7317.674824][ T3767] netlink_unicast+0x449/0x710 [ 7317.674824][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7317.674824][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7317.674824][ T3767] ___sys_sendmsg+0xee/0x170 [ 7317.674824][ T3767] __sys_sendmsg+0xcd/0x170 [ 7317.674824][ T3767] do_syscall_64+0xc6/0x1e0 [ 7317.674824][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7317.674824][ T3767] [ 7327.911936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7327.912460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7327.912460][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7327.912460][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7327.912460][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7327.912460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7327.912460][ T3767] ip6_route_add+0x1c/0x140 [ 7327.912460][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7327.912460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.912460][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.912460][ T3767] netlink_unicast+0x449/0x710 [ 7327.912460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.912460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.912460][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.912460][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.912460][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.912460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7327.912460][ T3767] [ 7327.914557][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7327.914557][ T3767] netdev_get_by_index+0x5e/0x80 [ 7327.914557][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7327.914557][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7327.914557][ T3767] ip6_route_add+0x1c/0x140 [ 7327.914557][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7327.914557][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7327.914557][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7327.914557][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.914557][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.914557][ T3767] netlink_unicast+0x449/0x710 [ 7327.914557][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.914557][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.914557][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.914557][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.914557][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.914557][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7327.914557][ T3767] [ 7327.916865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7327.916865][ T3767] netdev_get_by_index+0x5e/0x80 [ 7327.916865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7327.916865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7327.916865][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7327.916865][ T3767] ipv6_add_addr+0x411/0x2000 [ 7327.916865][ T3767] inet6_addr_add+0x30e/0xa40 [ 7327.916865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7327.916865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.916865][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.916865][ T3767] netlink_unicast+0x449/0x710 [ 7327.916865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.916865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.916865][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.916865][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.916865][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.916865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7327.916865][ T3767] [ 7327.919072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7327.919072][ T3767] netdev_get_by_index+0x5e/0x80 [ 7327.919072][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7327.919072][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7327.919072][ T3767] ip6_route_add+0x1c/0x140 [ 7327.919072][ T3767] addrconf_add_mroute+0x129/0x180 [ 7327.919072][ T3767] addrconf_add_dev+0xe2/0x170 [ 7327.919072][ T3767] inet6_addr_add+0x12f/0xa40 [ 7327.919072][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7327.919072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.919072][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.919072][ T3767] netlink_unicast+0x449/0x710 [ 7327.919072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.919072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.919072][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.919072][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.919072][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.919072][ T3767] [ 7327.921756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7327.921756][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7327.921756][ T3767] ipv6_find_idev+0x102/0x170 [ 7327.921756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7327.921756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.921756][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.921756][ T3767] netlink_unicast+0x449/0x710 [ 7327.921756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.921756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.921756][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.921756][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.921756][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.921756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7327.921756][ T3767] [ 7327.923480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7327.923480][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7327.923480][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7327.923480][ T3767] ipv6_find_idev+0x102/0x170 [ 7327.923480][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7327.923480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7327.923480][ T3767] netlink_rcv_skb+0x130/0x360 [ 7327.923480][ T3767] netlink_unicast+0x449/0x710 [ 7327.923480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7327.923480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7327.923480][ T3767] ___sys_sendmsg+0xee/0x170 [ 7327.923480][ T3767] __sys_sendmsg+0xcd/0x170 [ 7327.923480][ T3767] do_syscall_64+0xc6/0x1e0 [ 7327.923480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7327.923480][ T3767] [ 7338.167941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7338.168452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7338.168452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7338.168452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7338.168452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7338.168452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7338.168452][ T3767] ip6_route_add+0x1c/0x140 [ 7338.168452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7338.168452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.168452][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.168452][ T3767] netlink_unicast+0x449/0x710 [ 7338.168452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.168452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.168452][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.168452][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.168452][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.168452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.168452][ T3767] [ 7338.170557][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7338.170557][ T3767] netdev_get_by_index+0x5e/0x80 [ 7338.170557][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7338.170557][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7338.170557][ T3767] ip6_route_add+0x1c/0x140 [ 7338.170557][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7338.170557][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7338.170557][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7338.170557][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.170557][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.170557][ T3767] netlink_unicast+0x449/0x710 [ 7338.170557][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.170557][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.170557][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.170557][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.170557][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.170557][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.170557][ T3767] [ 7338.172780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7338.172780][ T3767] netdev_get_by_index+0x5e/0x80 [ 7338.172780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7338.172780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7338.172780][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7338.172780][ T3767] ipv6_add_addr+0x411/0x2000 [ 7338.172780][ T3767] inet6_addr_add+0x30e/0xa40 [ 7338.172780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7338.172780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.172780][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.172780][ T3767] netlink_unicast+0x449/0x710 [ 7338.172780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.172780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.172780][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.172780][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.172780][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.172780][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.172780][ T3767] [ 7338.174994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7338.174994][ T3767] netdev_get_by_index+0x5e/0x80 [ 7338.174994][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7338.174994][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7338.174994][ T3767] ip6_route_add+0x1c/0x140 [ 7338.174994][ T3767] addrconf_add_mroute+0x129/0x180 [ 7338.174994][ T3767] addrconf_add_dev+0xe2/0x170 [ 7338.174994][ T3767] inet6_addr_add+0x12f/0xa40 [ 7338.174994][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7338.174994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.174994][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.174994][ T3767] netlink_unicast+0x449/0x710 [ 7338.174994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.174994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.174994][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.174994][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.174994][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.174994][ T3767] [ 7338.177164][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7338.177164][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7338.177164][ T3767] ipv6_find_idev+0x102/0x170 [ 7338.177164][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7338.177164][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.177164][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.177164][ T3767] netlink_unicast+0x449/0x710 [ 7338.177164][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.177164][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.177164][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.177164][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.177164][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.177164][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.177164][ T3767] [ 7338.178863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7338.178863][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7338.178863][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7338.178863][ T3767] ipv6_find_idev+0x102/0x170 [ 7338.178863][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7338.178863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.178863][ T3767] netlink_rcv_skb+0x130/0x360 [ 7338.178863][ T3767] netlink_unicast+0x449/0x710 [ 7338.178863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7338.178863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7338.178863][ T3767] ___sys_sendmsg+0xee/0x170 [ 7338.178863][ T3767] __sys_sendmsg+0xcd/0x170 [ 7338.178863][ T3767] do_syscall_64+0xc6/0x1e0 [ 7338.178863][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.178863][ T3767] [ 7348.415855][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7348.416342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7348.416342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7348.416342][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7348.416342][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7348.416342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7348.416342][ T3767] ip6_route_add+0x1c/0x140 [ 7348.416342][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7348.416342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.416342][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.416342][ T3767] netlink_unicast+0x449/0x710 [ 7348.416342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.416342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.416342][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.416342][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.416342][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.416342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7348.416342][ T3767] [ 7348.418464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7348.418464][ T3767] netdev_get_by_index+0x5e/0x80 [ 7348.418464][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7348.418464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7348.418464][ T3767] ip6_route_add+0x1c/0x140 [ 7348.418464][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7348.418464][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7348.418464][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7348.418464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.418464][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.418464][ T3767] netlink_unicast+0x449/0x710 [ 7348.418464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.418464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.418464][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.418464][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.418464][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.418464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7348.418464][ T3767] [ 7348.420706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7348.420706][ T3767] netdev_get_by_index+0x5e/0x80 [ 7348.420706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7348.420706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7348.420706][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7348.420706][ T3767] ipv6_add_addr+0x411/0x2000 [ 7348.420706][ T3767] inet6_addr_add+0x30e/0xa40 [ 7348.420706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7348.420706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.420706][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.420706][ T3767] netlink_unicast+0x449/0x710 [ 7348.420706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.420706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.420706][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.420706][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.420706][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.420706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7348.420706][ T3767] [ 7348.423444][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7348.423444][ T3767] netdev_get_by_index+0x5e/0x80 [ 7348.423444][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7348.423444][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7348.423444][ T3767] ip6_route_add+0x1c/0x140 [ 7348.423444][ T3767] addrconf_add_mroute+0x129/0x180 [ 7348.423444][ T3767] addrconf_add_dev+0xe2/0x170 [ 7348.423444][ T3767] inet6_addr_add+0x12f/0xa40 [ 7348.423444][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7348.423444][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.423444][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.423444][ T3767] netlink_unicast+0x449/0x710 [ 7348.423444][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.423444][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.423444][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.423444][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.423444][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.423444][ T3767] [ 7348.425605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7348.425605][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7348.425605][ T3767] ipv6_find_idev+0x102/0x170 [ 7348.425605][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7348.425605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.425605][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.425605][ T3767] netlink_unicast+0x449/0x710 [ 7348.425605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.425605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.425605][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.425605][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.425605][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.425605][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7348.425605][ T3767] [ 7348.427306][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7348.427306][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7348.427306][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7348.427306][ T3767] ipv6_find_idev+0x102/0x170 [ 7348.427306][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7348.427306][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7348.427306][ T3767] netlink_rcv_skb+0x130/0x360 [ 7348.427306][ T3767] netlink_unicast+0x449/0x710 [ 7348.427306][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7348.427306][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7348.427306][ T3767] ___sys_sendmsg+0xee/0x170 [ 7348.427306][ T3767] __sys_sendmsg+0xcd/0x170 [ 7348.427306][ T3767] do_syscall_64+0xc6/0x1e0 [ 7348.427306][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7348.427306][ T3767] [ 7358.671948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7358.672394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7358.672394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7358.672394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7358.672394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7358.672394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7358.672394][ T3767] ip6_route_add+0x1c/0x140 [ 7358.672394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7358.672394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.672394][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.672394][ T3767] netlink_unicast+0x449/0x710 [ 7358.672394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.672394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.672394][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.672394][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.672394][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.672394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7358.672394][ T3767] [ 7358.674518][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7358.674518][ T3767] netdev_get_by_index+0x5e/0x80 [ 7358.674518][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7358.674518][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7358.674518][ T3767] ip6_route_add+0x1c/0x140 [ 7358.674518][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7358.674518][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7358.674518][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7358.674518][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.674518][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.674518][ T3767] netlink_unicast+0x449/0x710 [ 7358.674518][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.674518][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.674518][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.674518][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.674518][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.674518][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7358.674518][ T3767] [ 7358.676727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7358.676727][ T3767] netdev_get_by_index+0x5e/0x80 [ 7358.676727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7358.676727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7358.676727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7358.676727][ T3767] ipv6_add_addr+0x411/0x2000 [ 7358.676727][ T3767] inet6_addr_add+0x30e/0xa40 [ 7358.676727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7358.676727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.676727][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.676727][ T3767] netlink_unicast+0x449/0x710 [ 7358.676727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.676727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.676727][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.676727][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.676727][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.676727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7358.676727][ T3767] [ 7358.678913][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7358.678913][ T3767] netdev_get_by_index+0x5e/0x80 [ 7358.678913][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7358.678913][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7358.678913][ T3767] ip6_route_add+0x1c/0x140 [ 7358.678913][ T3767] addrconf_add_mroute+0x129/0x180 [ 7358.678913][ T3767] addrconf_add_dev+0xe2/0x170 [ 7358.678913][ T3767] inet6_addr_add+0x12f/0xa40 [ 7358.678913][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7358.678913][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.678913][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.678913][ T3767] netlink_unicast+0x449/0x710 [ 7358.678913][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.678913][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.678913][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.678913][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.678913][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.678913][ T3767] [ 7358.681057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7358.681057][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7358.681057][ T3767] ipv6_find_idev+0x102/0x170 [ 7358.681057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7358.681057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.681057][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.681057][ T3767] netlink_unicast+0x449/0x710 [ 7358.681057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.681057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.681057][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.681057][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.681057][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.681057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7358.681057][ T3767] [ 7358.682745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7358.682745][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7358.682745][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7358.682745][ T3767] ipv6_find_idev+0x102/0x170 [ 7358.682745][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7358.682745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7358.682745][ T3767] netlink_rcv_skb+0x130/0x360 [ 7358.682745][ T3767] netlink_unicast+0x449/0x710 [ 7358.682745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7358.682745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7358.682745][ T3767] ___sys_sendmsg+0xee/0x170 [ 7358.682745][ T3767] __sys_sendmsg+0xcd/0x170 [ 7358.682745][ T3767] do_syscall_64+0xc6/0x1e0 [ 7358.682745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7358.682745][ T3767] [ 7368.791900][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7368.792341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7368.792341][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7368.792341][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7368.792341][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7368.792341][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7368.792341][ T3767] ip6_route_add+0x1c/0x140 [ 7368.792341][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7368.792341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.792341][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.792341][ T3767] netlink_unicast+0x449/0x710 [ 7368.792341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.792341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.792341][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.792341][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.792341][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.792341][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7368.792341][ T3767] [ 7368.794456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7368.794456][ T3767] netdev_get_by_index+0x5e/0x80 [ 7368.794456][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7368.794456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7368.794456][ T3767] ip6_route_add+0x1c/0x140 [ 7368.794456][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7368.794456][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7368.794456][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7368.794456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.794456][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.794456][ T3767] netlink_unicast+0x449/0x710 [ 7368.794456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.794456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.794456][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.794456][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.794456][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.794456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7368.794456][ T3767] [ 7368.796695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7368.796695][ T3767] netdev_get_by_index+0x5e/0x80 [ 7368.796695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7368.796695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7368.796695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7368.796695][ T3767] ipv6_add_addr+0x411/0x2000 [ 7368.796695][ T3767] inet6_addr_add+0x30e/0xa40 [ 7368.796695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7368.796695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.796695][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.796695][ T3767] netlink_unicast+0x449/0x710 [ 7368.796695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.796695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.796695][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.796695][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.796695][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.796695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7368.796695][ T3767] [ 7368.798908][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7368.798908][ T3767] netdev_get_by_index+0x5e/0x80 [ 7368.798908][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7368.798908][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7368.798908][ T3767] ip6_route_add+0x1c/0x140 [ 7368.798908][ T3767] addrconf_add_mroute+0x129/0x180 [ 7368.798908][ T3767] addrconf_add_dev+0xe2/0x170 [ 7368.798908][ T3767] inet6_addr_add+0x12f/0xa40 [ 7368.798908][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7368.798908][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.798908][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.798908][ T3767] netlink_unicast+0x449/0x710 [ 7368.798908][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.798908][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.798908][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.798908][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.798908][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.798908][ T3767] [ 7368.801071][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7368.801071][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7368.801071][ T3767] ipv6_find_idev+0x102/0x170 [ 7368.801071][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7368.801071][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.801071][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.801071][ T3767] netlink_unicast+0x449/0x710 [ 7368.801071][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.801071][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.801071][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.801071][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.801071][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.801071][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7368.801071][ T3767] [ 7368.802782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7368.802782][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7368.802782][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7368.802782][ T3767] ipv6_find_idev+0x102/0x170 [ 7368.802782][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7368.802782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7368.802782][ T3767] netlink_rcv_skb+0x130/0x360 [ 7368.802782][ T3767] netlink_unicast+0x449/0x710 [ 7368.802782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7368.802782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7368.802782][ T3767] ___sys_sendmsg+0xee/0x170 [ 7368.802782][ T3767] __sys_sendmsg+0xcd/0x170 [ 7368.802782][ T3767] do_syscall_64+0xc6/0x1e0 [ 7368.802782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7368.802782][ T3767] [ 7379.039862][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7379.040296][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7379.040296][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7379.040296][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7379.040296][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7379.040296][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7379.040296][ T3767] ip6_route_add+0x1c/0x140 [ 7379.040296][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7379.040296][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.040296][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.040296][ T3767] netlink_unicast+0x449/0x710 [ 7379.040296][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.040296][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.040296][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.040296][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.040296][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.040296][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.040296][ T3767] [ 7379.042435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7379.042435][ T3767] netdev_get_by_index+0x5e/0x80 [ 7379.042435][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7379.042435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7379.042435][ T3767] ip6_route_add+0x1c/0x140 [ 7379.042435][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7379.042435][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7379.042435][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7379.042435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.042435][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.042435][ T3767] netlink_unicast+0x449/0x710 [ 7379.042435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.042435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.042435][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.042435][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.042435][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.042435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.042435][ T3767] [ 7379.044655][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7379.044655][ T3767] netdev_get_by_index+0x5e/0x80 [ 7379.044655][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7379.044655][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7379.044655][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7379.044655][ T3767] ipv6_add_addr+0x411/0x2000 [ 7379.044655][ T3767] inet6_addr_add+0x30e/0xa40 [ 7379.044655][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7379.044655][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.044655][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.044655][ T3767] netlink_unicast+0x449/0x710 [ 7379.044655][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.044655][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.044655][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.044655][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.044655][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.044655][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.044655][ T3767] [ 7379.046900][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7379.046900][ T3767] netdev_get_by_index+0x5e/0x80 [ 7379.046900][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7379.046900][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7379.046900][ T3767] ip6_route_add+0x1c/0x140 [ 7379.046900][ T3767] addrconf_add_mroute+0x129/0x180 [ 7379.046900][ T3767] addrconf_add_dev+0xe2/0x170 [ 7379.046900][ T3767] inet6_addr_add+0x12f/0xa40 [ 7379.046900][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7379.046900][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.046900][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.046900][ T3767] netlink_unicast+0x449/0x710 [ 7379.046900][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.046900][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.046900][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.046900][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.046900][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.046900][ T3767] [ 7379.049079][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7379.049079][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7379.049079][ T3767] ipv6_find_idev+0x102/0x170 [ 7379.049079][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7379.049079][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.049079][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.049079][ T3767] netlink_unicast+0x449/0x710 [ 7379.049079][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.049079][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.049079][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.049079][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.049079][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.049079][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.049079][ T3767] [ 7379.050795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7379.050795][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7379.050795][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7379.050795][ T3767] ipv6_find_idev+0x102/0x170 [ 7379.050795][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7379.050795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.050795][ T3767] netlink_rcv_skb+0x130/0x360 [ 7379.050795][ T3767] netlink_unicast+0x449/0x710 [ 7379.050795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7379.050795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7379.050795][ T3767] ___sys_sendmsg+0xee/0x170 [ 7379.050795][ T3767] __sys_sendmsg+0xcd/0x170 [ 7379.050795][ T3767] do_syscall_64+0xc6/0x1e0 [ 7379.050795][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.050795][ T3767] [ 7389.287869][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7389.288324][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7389.288324][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7389.288324][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7389.288324][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7389.288324][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7389.288324][ T3767] ip6_route_add+0x1c/0x140 [ 7389.288324][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7389.288324][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.288324][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.288324][ T3767] netlink_unicast+0x449/0x710 [ 7389.288324][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.288324][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.288324][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.288324][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.288324][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.288324][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.288324][ T3767] [ 7389.290426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7389.290426][ T3767] netdev_get_by_index+0x5e/0x80 [ 7389.290426][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7389.290426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7389.290426][ T3767] ip6_route_add+0x1c/0x140 [ 7389.290426][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7389.290426][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7389.290426][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7389.290426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.290426][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.290426][ T3767] netlink_unicast+0x449/0x710 [ 7389.290426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.290426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.290426][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.290426][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.290426][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.290426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.290426][ T3767] [ 7389.292643][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7389.292643][ T3767] netdev_get_by_index+0x5e/0x80 [ 7389.292643][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7389.292643][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7389.292643][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7389.292643][ T3767] ipv6_add_addr+0x411/0x2000 [ 7389.292643][ T3767] inet6_addr_add+0x30e/0xa40 [ 7389.292643][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7389.292643][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.292643][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.292643][ T3767] netlink_unicast+0x449/0x710 [ 7389.292643][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.292643][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.292643][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.292643][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.292643][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.292643][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.292643][ T3767] [ 7389.294854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7389.294854][ T3767] netdev_get_by_index+0x5e/0x80 [ 7389.294854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7389.294854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7389.294854][ T3767] ip6_route_add+0x1c/0x140 [ 7389.294854][ T3767] addrconf_add_mroute+0x129/0x180 [ 7389.294854][ T3767] addrconf_add_dev+0xe2/0x170 [ 7389.294854][ T3767] inet6_addr_add+0x12f/0xa40 [ 7389.294854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7389.294854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.294854][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.294854][ T3767] netlink_unicast+0x449/0x710 [ 7389.294854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.294854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.294854][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.294854][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.294854][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.294854][ T3767] [ 7389.297015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7389.297015][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7389.297015][ T3767] ipv6_find_idev+0x102/0x170 [ 7389.297015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7389.297015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.297015][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.297015][ T3767] netlink_unicast+0x449/0x710 [ 7389.297015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.297015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.297015][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.297015][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.297015][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.297015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.297015][ T3767] [ 7389.298728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7389.298728][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7389.298728][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7389.298728][ T3767] ipv6_find_idev+0x102/0x170 [ 7389.298728][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7389.298728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.298728][ T3767] netlink_rcv_skb+0x130/0x360 [ 7389.298728][ T3767] netlink_unicast+0x449/0x710 [ 7389.298728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7389.298728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7389.298728][ T3767] ___sys_sendmsg+0xee/0x170 [ 7389.298728][ T3767] __sys_sendmsg+0xcd/0x170 [ 7389.298728][ T3767] do_syscall_64+0xc6/0x1e0 [ 7389.298728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.298728][ T3767] [ 7399.535933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7399.536363][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7399.536363][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7399.536363][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7399.536363][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7399.536363][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7399.536363][ T3767] ip6_route_add+0x1c/0x140 [ 7399.536363][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7399.536363][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.536363][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.536363][ T3767] netlink_unicast+0x449/0x710 [ 7399.536363][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.536363][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.536363][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.536363][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.536363][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.536363][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7399.536363][ T3767] [ 7399.538571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7399.538571][ T3767] netdev_get_by_index+0x5e/0x80 [ 7399.538571][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7399.538571][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7399.538571][ T3767] ip6_route_add+0x1c/0x140 [ 7399.538571][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7399.538571][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7399.538571][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7399.538571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.538571][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.538571][ T3767] netlink_unicast+0x449/0x710 [ 7399.538571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.538571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.538571][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.538571][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.538571][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.538571][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7399.538571][ T3767] [ 7399.540774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7399.540774][ T3767] netdev_get_by_index+0x5e/0x80 [ 7399.540774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7399.540774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7399.540774][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7399.540774][ T3767] ipv6_add_addr+0x411/0x2000 [ 7399.540774][ T3767] inet6_addr_add+0x30e/0xa40 [ 7399.540774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7399.540774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.540774][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.540774][ T3767] netlink_unicast+0x449/0x710 [ 7399.540774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.540774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.540774][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.540774][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.540774][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.540774][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7399.540774][ T3767] [ 7399.542973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7399.542973][ T3767] netdev_get_by_index+0x5e/0x80 [ 7399.542973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7399.542973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7399.542973][ T3767] ip6_route_add+0x1c/0x140 [ 7399.542973][ T3767] addrconf_add_mroute+0x129/0x180 [ 7399.542973][ T3767] addrconf_add_dev+0xe2/0x170 [ 7399.542973][ T3767] inet6_addr_add+0x12f/0xa40 [ 7399.542973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7399.542973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.542973][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.542973][ T3767] netlink_unicast+0x449/0x710 [ 7399.542973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.542973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.542973][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.542973][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.542973][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.542973][ T3767] [ 7399.545134][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7399.545134][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7399.545134][ T3767] ipv6_find_idev+0x102/0x170 [ 7399.545134][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7399.545134][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.545134][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.545134][ T3767] netlink_unicast+0x449/0x710 [ 7399.545134][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.545134][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.545134][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.545134][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.545134][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.545134][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7399.545134][ T3767] [ 7399.546818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7399.546818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7399.546818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7399.546818][ T3767] ipv6_find_idev+0x102/0x170 [ 7399.546818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7399.546818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7399.546818][ T3767] netlink_rcv_skb+0x130/0x360 [ 7399.546818][ T3767] netlink_unicast+0x449/0x710 [ 7399.546818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7399.546818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7399.546818][ T3767] ___sys_sendmsg+0xee/0x170 [ 7399.546818][ T3767] __sys_sendmsg+0xcd/0x170 [ 7399.546818][ T3767] do_syscall_64+0xc6/0x1e0 [ 7399.546818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7399.546818][ T3767] [ 7409.647937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7409.648484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7409.648484][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7409.648484][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7409.648484][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7409.648484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7409.648484][ T3767] ip6_route_add+0x1c/0x140 [ 7409.648484][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7409.648484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.648484][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.648484][ T3767] netlink_unicast+0x449/0x710 [ 7409.648484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.648484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.648484][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.648484][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.648484][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.648484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7409.648484][ T3767] [ 7409.650573][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7409.650573][ T3767] netdev_get_by_index+0x5e/0x80 [ 7409.650573][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7409.650573][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7409.650573][ T3767] ip6_route_add+0x1c/0x140 [ 7409.650573][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7409.650573][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7409.650573][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7409.650573][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.650573][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.650573][ T3767] netlink_unicast+0x449/0x710 [ 7409.650573][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.650573][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.650573][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.650573][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.650573][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.650573][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7409.650573][ T3767] [ 7409.652778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7409.652778][ T3767] netdev_get_by_index+0x5e/0x80 [ 7409.652778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7409.652778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7409.652778][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7409.652778][ T3767] ipv6_add_addr+0x411/0x2000 [ 7409.652778][ T3767] inet6_addr_add+0x30e/0xa40 [ 7409.652778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7409.652778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.652778][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.652778][ T3767] netlink_unicast+0x449/0x710 [ 7409.652778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.652778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.652778][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.652778][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.652778][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.652778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7409.652778][ T3767] [ 7409.654971][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7409.654971][ T3767] netdev_get_by_index+0x5e/0x80 [ 7409.654971][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7409.654971][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7409.654971][ T3767] ip6_route_add+0x1c/0x140 [ 7409.654971][ T3767] addrconf_add_mroute+0x129/0x180 [ 7409.654971][ T3767] addrconf_add_dev+0xe2/0x170 [ 7409.654971][ T3767] inet6_addr_add+0x12f/0xa40 [ 7409.654971][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7409.654971][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.654971][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.654971][ T3767] netlink_unicast+0x449/0x710 [ 7409.654971][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.654971][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.654971][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.654971][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.654971][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.654971][ T3767] [ 7409.657130][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7409.657130][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7409.657130][ T3767] ipv6_find_idev+0x102/0x170 [ 7409.657130][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7409.657130][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.657130][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.657130][ T3767] netlink_unicast+0x449/0x710 [ 7409.657130][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.657130][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.657130][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.657130][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.657130][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.657130][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7409.657130][ T3767] [ 7409.658812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7409.658812][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7409.658812][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7409.658812][ T3767] ipv6_find_idev+0x102/0x170 [ 7409.658812][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7409.658812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7409.658812][ T3767] netlink_rcv_skb+0x130/0x360 [ 7409.658812][ T3767] netlink_unicast+0x449/0x710 [ 7409.658812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7409.658812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7409.658812][ T3767] ___sys_sendmsg+0xee/0x170 [ 7409.658812][ T3767] __sys_sendmsg+0xcd/0x170 [ 7409.658812][ T3767] do_syscall_64+0xc6/0x1e0 [ 7409.658812][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7409.658812][ T3767] [ 7419.903864][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7419.904367][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7419.904367][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7419.904367][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7419.904367][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7419.904367][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7419.904367][ T3767] ip6_route_add+0x1c/0x140 [ 7419.904367][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7419.904367][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.904367][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.904367][ T3767] netlink_unicast+0x449/0x710 [ 7419.904367][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.904367][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.904367][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.904367][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.904367][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.904367][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.904367][ T3767] [ 7419.906471][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7419.906471][ T3767] netdev_get_by_index+0x5e/0x80 [ 7419.906471][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7419.906471][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7419.906471][ T3767] ip6_route_add+0x1c/0x140 [ 7419.906471][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7419.906471][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7419.906471][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.906471][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.906471][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.906471][ T3767] netlink_unicast+0x449/0x710 [ 7419.906471][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.906471][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.906471][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.906471][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.906471][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.906471][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.906471][ T3767] [ 7419.908667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7419.908667][ T3767] netdev_get_by_index+0x5e/0x80 [ 7419.908667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7419.908667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7419.908667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7419.908667][ T3767] ipv6_add_addr+0x411/0x2000 [ 7419.908667][ T3767] inet6_addr_add+0x30e/0xa40 [ 7419.908667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.908667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.908667][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.908667][ T3767] netlink_unicast+0x449/0x710 [ 7419.908667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.908667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.908667][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.908667][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.908667][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.908667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.908667][ T3767] [ 7419.910870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7419.910870][ T3767] netdev_get_by_index+0x5e/0x80 [ 7419.910870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7419.910870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7419.910870][ T3767] ip6_route_add+0x1c/0x140 [ 7419.910870][ T3767] addrconf_add_mroute+0x129/0x180 [ 7419.910870][ T3767] addrconf_add_dev+0xe2/0x170 [ 7419.910870][ T3767] inet6_addr_add+0x12f/0xa40 [ 7419.910870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.910870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.910870][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.910870][ T3767] netlink_unicast+0x449/0x710 [ 7419.910870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.910870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.910870][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.910870][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.910870][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.910870][ T3767] [ 7419.913038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7419.913038][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7419.913038][ T3767] ipv6_find_idev+0x102/0x170 [ 7419.913038][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7419.913038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.913038][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.913038][ T3767] netlink_unicast+0x449/0x710 [ 7419.913038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.913038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.913038][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.913038][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.913038][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.913038][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.913038][ T3767] [ 7419.915119][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7419.915119][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7419.915119][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7419.915119][ T3767] ipv6_find_idev+0x102/0x170 [ 7419.915119][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7419.915119][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.915119][ T3767] netlink_rcv_skb+0x130/0x360 [ 7419.915119][ T3767] netlink_unicast+0x449/0x710 [ 7419.915119][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7419.915119][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7419.915119][ T3767] ___sys_sendmsg+0xee/0x170 [ 7419.915119][ T3767] __sys_sendmsg+0xcd/0x170 [ 7419.915119][ T3767] do_syscall_64+0xc6/0x1e0 [ 7419.915119][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.915119][ T3767] [ 7430.160000][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7430.160518][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7430.160518][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7430.160518][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7430.160518][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7430.160518][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7430.160518][ T3767] ip6_route_add+0x1c/0x140 [ 7430.160518][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7430.160518][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.160518][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.160518][ T3767] netlink_unicast+0x449/0x710 [ 7430.160518][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.160518][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.160518][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.160518][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.160518][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.160518][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.160518][ T3767] [ 7430.162796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7430.162796][ T3767] netdev_get_by_index+0x5e/0x80 [ 7430.162796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7430.162796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7430.162796][ T3767] ip6_route_add+0x1c/0x140 [ 7430.162796][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7430.162796][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7430.162796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7430.162796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.162796][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.162796][ T3767] netlink_unicast+0x449/0x710 [ 7430.162796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.162796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.162796][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.162796][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.162796][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.162796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.162796][ T3767] [ 7430.165201][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7430.165201][ T3767] netdev_get_by_index+0x5e/0x80 [ 7430.165201][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7430.165201][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7430.165201][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7430.165201][ T3767] ipv6_add_addr+0x411/0x2000 [ 7430.165201][ T3767] inet6_addr_add+0x30e/0xa40 [ 7430.165201][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7430.165201][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.165201][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.165201][ T3767] netlink_unicast+0x449/0x710 [ 7430.165201][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.165201][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.165201][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.165201][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.165201][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.165201][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.165201][ T3767] [ 7430.167583][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7430.167583][ T3767] netdev_get_by_index+0x5e/0x80 [ 7430.167583][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7430.167583][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7430.167583][ T3767] ip6_route_add+0x1c/0x140 [ 7430.167583][ T3767] addrconf_add_mroute+0x129/0x180 [ 7430.167583][ T3767] addrconf_add_dev+0xe2/0x170 [ 7430.167583][ T3767] inet6_addr_add+0x12f/0xa40 [ 7430.167583][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7430.167583][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.167583][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.167583][ T3767] netlink_unicast+0x449/0x710 [ 7430.167583][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.167583][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.167583][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.167583][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.167583][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.167583][ T3767] [ 7430.169929][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7430.169929][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7430.169929][ T3767] ipv6_find_idev+0x102/0x170 [ 7430.169929][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7430.169929][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.169929][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.169929][ T3767] netlink_unicast+0x449/0x710 [ 7430.169929][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.169929][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.169929][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.169929][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.169929][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.169929][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.169929][ T3767] [ 7430.171797][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7430.171797][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7430.171797][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7430.171797][ T3767] ipv6_find_idev+0x102/0x170 [ 7430.171797][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7430.171797][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.171797][ T3767] netlink_rcv_skb+0x130/0x360 [ 7430.171797][ T3767] netlink_unicast+0x449/0x710 [ 7430.171797][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7430.171797][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7430.171797][ T3767] ___sys_sendmsg+0xee/0x170 [ 7430.171797][ T3767] __sys_sendmsg+0xcd/0x170 [ 7430.171797][ T3767] do_syscall_64+0xc6/0x1e0 [ 7430.171797][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.171797][ T3767] [ 7440.415945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7440.416442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7440.416442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7440.416442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7440.416442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7440.416442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7440.416442][ T3767] ip6_route_add+0x1c/0x140 [ 7440.416442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7440.416442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.416442][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.416442][ T3767] netlink_unicast+0x449/0x710 [ 7440.416442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.416442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.416442][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.416442][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.416442][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.416442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.416442][ T3767] [ 7440.418539][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7440.418539][ T3767] netdev_get_by_index+0x5e/0x80 [ 7440.418539][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7440.418539][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7440.418539][ T3767] ip6_route_add+0x1c/0x140 [ 7440.418539][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7440.418539][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7440.418539][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7440.418539][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.418539][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.418539][ T3767] netlink_unicast+0x449/0x710 [ 7440.418539][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.418539][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.418539][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.418539][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.418539][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.418539][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.418539][ T3767] [ 7440.420727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7440.420727][ T3767] netdev_get_by_index+0x5e/0x80 [ 7440.420727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7440.420727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7440.420727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7440.420727][ T3767] ipv6_add_addr+0x411/0x2000 [ 7440.420727][ T3767] inet6_addr_add+0x30e/0xa40 [ 7440.420727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7440.420727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.420727][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.420727][ T3767] netlink_unicast+0x449/0x710 [ 7440.420727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.420727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.420727][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.420727][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.420727][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.420727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.420727][ T3767] [ 7440.422914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7440.422914][ T3767] netdev_get_by_index+0x5e/0x80 [ 7440.422914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7440.422914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7440.422914][ T3767] ip6_route_add+0x1c/0x140 [ 7440.422914][ T3767] addrconf_add_mroute+0x129/0x180 [ 7440.422914][ T3767] addrconf_add_dev+0xe2/0x170 [ 7440.422914][ T3767] inet6_addr_add+0x12f/0xa40 [ 7440.422914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7440.422914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.422914][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.422914][ T3767] netlink_unicast+0x449/0x710 [ 7440.422914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.422914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.422914][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.422914][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.422914][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.422914][ T3767] [ 7440.425067][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7440.425067][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7440.425067][ T3767] ipv6_find_idev+0x102/0x170 [ 7440.425067][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7440.425067][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.425067][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.425067][ T3767] netlink_unicast+0x449/0x710 [ 7440.425067][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.425067][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.425067][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.425067][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.425067][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.425067][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.425067][ T3767] [ 7440.426748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7440.426748][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7440.426748][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7440.426748][ T3767] ipv6_find_idev+0x102/0x170 [ 7440.426748][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7440.426748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.426748][ T3767] netlink_rcv_skb+0x130/0x360 [ 7440.426748][ T3767] netlink_unicast+0x449/0x710 [ 7440.426748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7440.426748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7440.426748][ T3767] ___sys_sendmsg+0xee/0x170 [ 7440.426748][ T3767] __sys_sendmsg+0xcd/0x170 [ 7440.426748][ T3767] do_syscall_64+0xc6/0x1e0 [ 7440.426748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.426748][ T3767] [ 7450.663864][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7450.664366][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7450.664366][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7450.664366][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7450.664366][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7450.664366][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7450.664366][ T3767] ip6_route_add+0x1c/0x140 [ 7450.664366][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7450.664366][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.664366][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.664366][ T3767] netlink_unicast+0x449/0x710 [ 7450.664366][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.664366][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.664366][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.664366][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.664366][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.664366][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7450.664366][ T3767] [ 7450.666476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7450.666476][ T3767] netdev_get_by_index+0x5e/0x80 [ 7450.666476][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7450.666476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7450.666476][ T3767] ip6_route_add+0x1c/0x140 [ 7450.666476][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7450.666476][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7450.666476][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7450.666476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.666476][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.666476][ T3767] netlink_unicast+0x449/0x710 [ 7450.666476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.666476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.666476][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.666476][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.666476][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.666476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7450.666476][ T3767] [ 7450.668696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7450.668696][ T3767] netdev_get_by_index+0x5e/0x80 [ 7450.668696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7450.668696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7450.668696][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7450.668696][ T3767] ipv6_add_addr+0x411/0x2000 [ 7450.668696][ T3767] inet6_addr_add+0x30e/0xa40 [ 7450.668696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7450.668696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.668696][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.668696][ T3767] netlink_unicast+0x449/0x710 [ 7450.668696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.668696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.668696][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.668696][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.668696][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.668696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7450.668696][ T3767] [ 7450.670914][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7450.670914][ T3767] netdev_get_by_index+0x5e/0x80 [ 7450.670914][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7450.670914][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7450.670914][ T3767] ip6_route_add+0x1c/0x140 [ 7450.670914][ T3767] addrconf_add_mroute+0x129/0x180 [ 7450.670914][ T3767] addrconf_add_dev+0xe2/0x170 [ 7450.670914][ T3767] inet6_addr_add+0x12f/0xa40 [ 7450.670914][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7450.670914][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.670914][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.670914][ T3767] netlink_unicast+0x449/0x710 [ 7450.670914][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.670914][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.670914][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.670914][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.670914][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.670914][ T3767] [ 7450.673094][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7450.673094][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7450.673094][ T3767] ipv6_find_idev+0x102/0x170 [ 7450.673094][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7450.673094][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.673094][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.673094][ T3767] netlink_unicast+0x449/0x710 [ 7450.673094][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.673094][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.673094][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.673094][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.673094][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.673094][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7450.673094][ T3767] [ 7450.674800][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7450.674800][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7450.674800][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7450.674800][ T3767] ipv6_find_idev+0x102/0x170 [ 7450.674800][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7450.674800][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7450.674800][ T3767] netlink_rcv_skb+0x130/0x360 [ 7450.674800][ T3767] netlink_unicast+0x449/0x710 [ 7450.674800][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7450.674800][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7450.674800][ T3767] ___sys_sendmsg+0xee/0x170 [ 7450.674800][ T3767] __sys_sendmsg+0xcd/0x170 [ 7450.674800][ T3767] do_syscall_64+0xc6/0x1e0 [ 7450.674800][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7450.674800][ T3767] [ 7460.911939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7460.912397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7460.912397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7460.912397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7460.912397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7460.912397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7460.912397][ T3767] ip6_route_add+0x1c/0x140 [ 7460.912397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7460.912397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.912397][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.912397][ T3767] netlink_unicast+0x449/0x710 [ 7460.912397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.912397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.912397][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.912397][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.912397][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.912397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7460.912397][ T3767] [ 7460.914508][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7460.914508][ T3767] netdev_get_by_index+0x5e/0x80 [ 7460.914508][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7460.914508][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7460.914508][ T3767] ip6_route_add+0x1c/0x140 [ 7460.914508][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7460.914508][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7460.914508][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7460.914508][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.914508][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.914508][ T3767] netlink_unicast+0x449/0x710 [ 7460.914508][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.914508][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.914508][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.914508][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.914508][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.914508][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7460.914508][ T3767] [ 7460.916728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7460.916728][ T3767] netdev_get_by_index+0x5e/0x80 [ 7460.916728][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7460.916728][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7460.916728][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7460.916728][ T3767] ipv6_add_addr+0x411/0x2000 [ 7460.916728][ T3767] inet6_addr_add+0x30e/0xa40 [ 7460.916728][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7460.916728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.916728][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.916728][ T3767] netlink_unicast+0x449/0x710 [ 7460.916728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.916728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.916728][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.916728][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.916728][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.916728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7460.916728][ T3767] [ 7460.918960][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7460.918960][ T3767] netdev_get_by_index+0x5e/0x80 [ 7460.918960][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7460.918960][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7460.918960][ T3767] ip6_route_add+0x1c/0x140 [ 7460.918960][ T3767] addrconf_add_mroute+0x129/0x180 [ 7460.918960][ T3767] addrconf_add_dev+0xe2/0x170 [ 7460.918960][ T3767] inet6_addr_add+0x12f/0xa40 [ 7460.918960][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7460.918960][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.918960][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.918960][ T3767] netlink_unicast+0x449/0x710 [ 7460.918960][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.918960][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.918960][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.918960][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.918960][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.918960][ T3767] [ 7460.921141][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7460.921141][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7460.921141][ T3767] ipv6_find_idev+0x102/0x170 [ 7460.921141][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7460.921141][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.921141][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.921141][ T3767] netlink_unicast+0x449/0x710 [ 7460.921141][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.921141][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.921141][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.921141][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.921141][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.921141][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7460.921141][ T3767] [ 7460.922852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7460.922852][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7460.922852][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7460.922852][ T3767] ipv6_find_idev+0x102/0x170 [ 7460.922852][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7460.922852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7460.922852][ T3767] netlink_rcv_skb+0x130/0x360 [ 7460.922852][ T3767] netlink_unicast+0x449/0x710 [ 7460.922852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7460.922852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7460.922852][ T3767] ___sys_sendmsg+0xee/0x170 [ 7460.922852][ T3767] __sys_sendmsg+0xcd/0x170 [ 7460.922852][ T3767] do_syscall_64+0xc6/0x1e0 [ 7460.922852][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7460.922852][ T3767] [ 7471.159888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7471.160420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7471.160420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7471.160420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7471.160420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7471.160420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7471.160420][ T3767] ip6_route_add+0x1c/0x140 [ 7471.160420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7471.160420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.160420][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.160420][ T3767] netlink_unicast+0x449/0x710 [ 7471.160420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.160420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.160420][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.160420][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.160420][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.160420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.160420][ T3767] [ 7471.162569][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7471.162569][ T3767] netdev_get_by_index+0x5e/0x80 [ 7471.162569][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7471.162569][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7471.162569][ T3767] ip6_route_add+0x1c/0x140 [ 7471.162569][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7471.162569][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7471.162569][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7471.162569][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.162569][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.162569][ T3767] netlink_unicast+0x449/0x710 [ 7471.162569][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.162569][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.162569][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.162569][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.162569][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.162569][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.162569][ T3767] [ 7471.164808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7471.164808][ T3767] netdev_get_by_index+0x5e/0x80 [ 7471.164808][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7471.164808][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7471.164808][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7471.164808][ T3767] ipv6_add_addr+0x411/0x2000 [ 7471.164808][ T3767] inet6_addr_add+0x30e/0xa40 [ 7471.164808][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7471.164808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.164808][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.164808][ T3767] netlink_unicast+0x449/0x710 [ 7471.164808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.164808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.164808][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.164808][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.164808][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.164808][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.164808][ T3767] [ 7471.167039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7471.167039][ T3767] netdev_get_by_index+0x5e/0x80 [ 7471.167039][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7471.167039][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7471.167039][ T3767] ip6_route_add+0x1c/0x140 [ 7471.167039][ T3767] addrconf_add_mroute+0x129/0x180 [ 7471.167039][ T3767] addrconf_add_dev+0xe2/0x170 [ 7471.167039][ T3767] inet6_addr_add+0x12f/0xa40 [ 7471.167039][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7471.167039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.167039][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.167039][ T3767] netlink_unicast+0x449/0x710 [ 7471.167039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.167039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.167039][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.167039][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.167039][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.167039][ T3767] [ 7471.169243][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7471.169243][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7471.169243][ T3767] ipv6_find_idev+0x102/0x170 [ 7471.169243][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7471.169243][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.169243][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.169243][ T3767] netlink_unicast+0x449/0x710 [ 7471.169243][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.169243][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.169243][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.169243][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.169243][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.169243][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.169243][ T3767] [ 7471.170975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7471.170975][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7471.170975][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7471.170975][ T3767] ipv6_find_idev+0x102/0x170 [ 7471.170975][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7471.170975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.170975][ T3767] netlink_rcv_skb+0x130/0x360 [ 7471.170975][ T3767] netlink_unicast+0x449/0x710 [ 7471.170975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7471.170975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7471.170975][ T3767] ___sys_sendmsg+0xee/0x170 [ 7471.170975][ T3767] __sys_sendmsg+0xcd/0x170 [ 7471.170975][ T3767] do_syscall_64+0xc6/0x1e0 [ 7471.170975][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.170975][ T3767] [ 7481.359866][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7481.360403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7481.360403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7481.360403][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7481.360403][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7481.360403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7481.360403][ T3767] ip6_route_add+0x1c/0x140 [ 7481.360403][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7481.360403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.360403][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.360403][ T3767] netlink_unicast+0x449/0x710 [ 7481.360403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.360403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.360403][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.360403][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.360403][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.360403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.360403][ T3767] [ 7481.362537][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7481.362537][ T3767] netdev_get_by_index+0x5e/0x80 [ 7481.362537][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7481.362537][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7481.362537][ T3767] ip6_route_add+0x1c/0x140 [ 7481.362537][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7481.362537][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7481.362537][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7481.362537][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.362537][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.362537][ T3767] netlink_unicast+0x449/0x710 [ 7481.362537][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.362537][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.362537][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.362537][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.362537][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.362537][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.362537][ T3767] [ 7481.364764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7481.364764][ T3767] netdev_get_by_index+0x5e/0x80 [ 7481.364764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7481.364764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7481.364764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7481.364764][ T3767] ipv6_add_addr+0x411/0x2000 [ 7481.364764][ T3767] inet6_addr_add+0x30e/0xa40 [ 7481.364764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7481.364764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.364764][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.364764][ T3767] netlink_unicast+0x449/0x710 [ 7481.364764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.364764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.364764][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.364764][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.364764][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.364764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.364764][ T3767] [ 7481.366980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7481.366980][ T3767] netdev_get_by_index+0x5e/0x80 [ 7481.366980][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7481.366980][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7481.366980][ T3767] ip6_route_add+0x1c/0x140 [ 7481.366980][ T3767] addrconf_add_mroute+0x129/0x180 [ 7481.366980][ T3767] addrconf_add_dev+0xe2/0x170 [ 7481.366980][ T3767] inet6_addr_add+0x12f/0xa40 [ 7481.366980][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7481.366980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.366980][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.366980][ T3767] netlink_unicast+0x449/0x710 [ 7481.366980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.366980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.366980][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.366980][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.366980][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.366980][ T3767] [ 7481.369165][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7481.369165][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7481.369165][ T3767] ipv6_find_idev+0x102/0x170 [ 7481.369165][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7481.369165][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.369165][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.369165][ T3767] netlink_unicast+0x449/0x710 [ 7481.369165][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.369165][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.369165][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.369165][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.369165][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.369165][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.369165][ T3767] [ 7481.370875][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7481.370875][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7481.370875][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7481.370875][ T3767] ipv6_find_idev+0x102/0x170 [ 7481.370875][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7481.370875][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.370875][ T3767] netlink_rcv_skb+0x130/0x360 [ 7481.370875][ T3767] netlink_unicast+0x449/0x710 [ 7481.370875][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7481.370875][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7481.370875][ T3767] ___sys_sendmsg+0xee/0x170 [ 7481.370875][ T3767] __sys_sendmsg+0xcd/0x170 [ 7481.370875][ T3767] do_syscall_64+0xc6/0x1e0 [ 7481.370875][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.370875][ T3767] [ 7491.623872][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7491.624369][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7491.624369][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7491.624369][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7491.624369][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7491.624369][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7491.624369][ T3767] ip6_route_add+0x1c/0x140 [ 7491.624369][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7491.624369][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.624369][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.624369][ T3767] netlink_unicast+0x449/0x710 [ 7491.624369][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.624369][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.624369][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.624369][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.624369][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.624369][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.624369][ T3767] [ 7491.626493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7491.626493][ T3767] netdev_get_by_index+0x5e/0x80 [ 7491.626493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7491.626493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7491.626493][ T3767] ip6_route_add+0x1c/0x140 [ 7491.626493][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7491.626493][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7491.626493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7491.626493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.626493][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.626493][ T3767] netlink_unicast+0x449/0x710 [ 7491.626493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.626493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.626493][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.626493][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.626493][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.626493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.626493][ T3767] [ 7491.628725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7491.628725][ T3767] netdev_get_by_index+0x5e/0x80 [ 7491.628725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7491.628725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7491.628725][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7491.628725][ T3767] ipv6_add_addr+0x411/0x2000 [ 7491.628725][ T3767] inet6_addr_add+0x30e/0xa40 [ 7491.628725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7491.628725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.628725][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.628725][ T3767] netlink_unicast+0x449/0x710 [ 7491.628725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.628725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.628725][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.628725][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.628725][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.628725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.628725][ T3767] [ 7491.630928][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7491.630928][ T3767] netdev_get_by_index+0x5e/0x80 [ 7491.630928][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7491.630928][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7491.630928][ T3767] ip6_route_add+0x1c/0x140 [ 7491.630928][ T3767] addrconf_add_mroute+0x129/0x180 [ 7491.630928][ T3767] addrconf_add_dev+0xe2/0x170 [ 7491.630928][ T3767] inet6_addr_add+0x12f/0xa40 [ 7491.630928][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7491.630928][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.630928][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.630928][ T3767] netlink_unicast+0x449/0x710 [ 7491.630928][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.630928][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.630928][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.630928][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.630928][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.630928][ T3767] [ 7491.633092][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7491.633092][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7491.633092][ T3767] ipv6_find_idev+0x102/0x170 [ 7491.633092][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7491.633092][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.633092][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.633092][ T3767] netlink_unicast+0x449/0x710 [ 7491.633092][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.633092][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.633092][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.633092][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.633092][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.633092][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.633092][ T3767] [ 7491.634790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7491.634790][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7491.634790][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7491.634790][ T3767] ipv6_find_idev+0x102/0x170 [ 7491.634790][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7491.634790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.634790][ T3767] netlink_rcv_skb+0x130/0x360 [ 7491.634790][ T3767] netlink_unicast+0x449/0x710 [ 7491.634790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7491.634790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7491.634790][ T3767] ___sys_sendmsg+0xee/0x170 [ 7491.634790][ T3767] __sys_sendmsg+0xcd/0x170 [ 7491.634790][ T3767] do_syscall_64+0xc6/0x1e0 [ 7491.634790][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.634790][ T3767] [ 7501.887853][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7501.888361][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7501.888361][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7501.888361][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7501.888361][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7501.888361][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7501.888361][ T3767] ip6_route_add+0x1c/0x140 [ 7501.888361][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7501.888361][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.888361][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.888361][ T3767] netlink_unicast+0x449/0x710 [ 7501.888361][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.888361][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.888361][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.888361][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.888361][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.888361][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.888361][ T3767] [ 7501.890463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7501.890463][ T3767] netdev_get_by_index+0x5e/0x80 [ 7501.890463][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7501.890463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7501.890463][ T3767] ip6_route_add+0x1c/0x140 [ 7501.890463][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7501.890463][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7501.890463][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7501.890463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.890463][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.890463][ T3767] netlink_unicast+0x449/0x710 [ 7501.890463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.890463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.890463][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.890463][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.890463][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.890463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.890463][ T3767] [ 7501.892794][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7501.892794][ T3767] netdev_get_by_index+0x5e/0x80 [ 7501.892794][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7501.892794][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7501.892794][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7501.892794][ T3767] ipv6_add_addr+0x411/0x2000 [ 7501.892794][ T3767] inet6_addr_add+0x30e/0xa40 [ 7501.892794][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7501.892794][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.892794][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.892794][ T3767] netlink_unicast+0x449/0x710 [ 7501.892794][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.892794][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.892794][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.892794][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.892794][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.892794][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.892794][ T3767] [ 7501.894996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7501.894996][ T3767] netdev_get_by_index+0x5e/0x80 [ 7501.894996][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7501.894996][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7501.894996][ T3767] ip6_route_add+0x1c/0x140 [ 7501.894996][ T3767] addrconf_add_mroute+0x129/0x180 [ 7501.894996][ T3767] addrconf_add_dev+0xe2/0x170 [ 7501.894996][ T3767] inet6_addr_add+0x12f/0xa40 [ 7501.894996][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7501.894996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.894996][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.894996][ T3767] netlink_unicast+0x449/0x710 [ 7501.894996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.894996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.894996][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.894996][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.894996][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.894996][ T3767] [ 7501.897157][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7501.897157][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7501.897157][ T3767] ipv6_find_idev+0x102/0x170 [ 7501.897157][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7501.897157][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.897157][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.897157][ T3767] netlink_unicast+0x449/0x710 [ 7501.897157][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.897157][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.897157][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.897157][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.897157][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.897157][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.897157][ T3767] [ 7501.899364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7501.899364][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7501.899364][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7501.899364][ T3767] ipv6_find_idev+0x102/0x170 [ 7501.899364][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7501.899364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.899364][ T3767] netlink_rcv_skb+0x130/0x360 [ 7501.899364][ T3767] netlink_unicast+0x449/0x710 [ 7501.899364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7501.899364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7501.899364][ T3767] ___sys_sendmsg+0xee/0x170 [ 7501.899364][ T3767] __sys_sendmsg+0xcd/0x170 [ 7501.899364][ T3767] do_syscall_64+0xc6/0x1e0 [ 7501.899364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.899364][ T3767] [ 7512.151879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7512.152382][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7512.152382][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7512.152382][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7512.152382][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7512.152382][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7512.152382][ T3767] ip6_route_add+0x1c/0x140 [ 7512.152382][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7512.152382][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.152382][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.152382][ T3767] netlink_unicast+0x449/0x710 [ 7512.152382][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.152382][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.152382][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.152382][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.152382][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.152382][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.152382][ T3767] [ 7512.154504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7512.154504][ T3767] netdev_get_by_index+0x5e/0x80 [ 7512.154504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7512.154504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7512.154504][ T3767] ip6_route_add+0x1c/0x140 [ 7512.154504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7512.154504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7512.154504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7512.154504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.154504][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.154504][ T3767] netlink_unicast+0x449/0x710 [ 7512.154504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.154504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.154504][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.154504][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.154504][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.154504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.154504][ T3767] [ 7512.156726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7512.156726][ T3767] netdev_get_by_index+0x5e/0x80 [ 7512.156726][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7512.156726][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7512.156726][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7512.156726][ T3767] ipv6_add_addr+0x411/0x2000 [ 7512.156726][ T3767] inet6_addr_add+0x30e/0xa40 [ 7512.156726][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7512.156726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.156726][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.156726][ T3767] netlink_unicast+0x449/0x710 [ 7512.156726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.156726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.156726][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.156726][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.156726][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.156726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.156726][ T3767] [ 7512.158943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7512.158943][ T3767] netdev_get_by_index+0x5e/0x80 [ 7512.158943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7512.158943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7512.158943][ T3767] ip6_route_add+0x1c/0x140 [ 7512.158943][ T3767] addrconf_add_mroute+0x129/0x180 [ 7512.158943][ T3767] addrconf_add_dev+0xe2/0x170 [ 7512.158943][ T3767] inet6_addr_add+0x12f/0xa40 [ 7512.158943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7512.158943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.158943][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.158943][ T3767] netlink_unicast+0x449/0x710 [ 7512.158943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.158943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.158943][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.158943][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.158943][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.158943][ T3767] [ 7512.161116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7512.161116][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7512.161116][ T3767] ipv6_find_idev+0x102/0x170 [ 7512.161116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7512.161116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.161116][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.161116][ T3767] netlink_unicast+0x449/0x710 [ 7512.161116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.161116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.161116][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.161116][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.161116][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.161116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.161116][ T3767] [ 7512.162844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7512.162844][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7512.162844][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7512.162844][ T3767] ipv6_find_idev+0x102/0x170 [ 7512.162844][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7512.162844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.162844][ T3767] netlink_rcv_skb+0x130/0x360 [ 7512.162844][ T3767] netlink_unicast+0x449/0x710 [ 7512.162844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7512.162844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7512.162844][ T3767] ___sys_sendmsg+0xee/0x170 [ 7512.162844][ T3767] __sys_sendmsg+0xcd/0x170 [ 7512.162844][ T3767] do_syscall_64+0xc6/0x1e0 [ 7512.162844][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.162844][ T3767] [ 7522.271897][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7522.272563][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7522.272563][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7522.272563][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7522.272563][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7522.272563][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7522.272563][ T3767] ip6_route_add+0x1c/0x140 [ 7522.272563][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7522.272563][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.272563][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.272563][ T3767] netlink_unicast+0x449/0x710 [ 7522.272563][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.272563][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.272563][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.272563][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.272563][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.272563][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.272563][ T3767] [ 7522.275925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7522.275925][ T3767] netdev_get_by_index+0x5e/0x80 [ 7522.275925][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7522.275925][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7522.275925][ T3767] ip6_route_add+0x1c/0x140 [ 7522.275925][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7522.275925][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7522.275925][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7522.275925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.275925][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.275925][ T3767] netlink_unicast+0x449/0x710 [ 7522.275925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.275925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.275925][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.275925][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.275925][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.275925][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.275925][ T3767] [ 7522.279547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7522.279547][ T3767] netdev_get_by_index+0x5e/0x80 [ 7522.279547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7522.279547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7522.279547][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7522.279547][ T3767] ipv6_add_addr+0x411/0x2000 [ 7522.279547][ T3767] inet6_addr_add+0x30e/0xa40 [ 7522.279547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7522.279547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.279547][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.279547][ T3767] netlink_unicast+0x449/0x710 [ 7522.279547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.279547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.279547][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.279547][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.279547][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.279547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.279547][ T3767] [ 7522.282996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7522.282996][ T3767] netdev_get_by_index+0x5e/0x80 [ 7522.282996][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7522.282996][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7522.282996][ T3767] ip6_route_add+0x1c/0x140 [ 7522.282996][ T3767] addrconf_add_mroute+0x129/0x180 [ 7522.282996][ T3767] addrconf_add_dev+0xe2/0x170 [ 7522.282996][ T3767] inet6_addr_add+0x12f/0xa40 [ 7522.282996][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7522.282996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.282996][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.282996][ T3767] netlink_unicast+0x449/0x710 [ 7522.282996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.282996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.282996][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.282996][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.282996][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.282996][ T3767] [ 7522.286373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7522.286373][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7522.286373][ T3767] ipv6_find_idev+0x102/0x170 [ 7522.286373][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7522.286373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.286373][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.286373][ T3767] netlink_unicast+0x449/0x710 [ 7522.286373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.286373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.286373][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.286373][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.286373][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.286373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.286373][ T3767] [ 7522.288095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7522.288095][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7522.288095][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7522.288095][ T3767] ipv6_find_idev+0x102/0x170 [ 7522.288095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7522.288095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.288095][ T3767] netlink_rcv_skb+0x130/0x360 [ 7522.288095][ T3767] netlink_unicast+0x449/0x710 [ 7522.288095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7522.288095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7522.288095][ T3767] ___sys_sendmsg+0xee/0x170 [ 7522.288095][ T3767] __sys_sendmsg+0xcd/0x170 [ 7522.288095][ T3767] do_syscall_64+0xc6/0x1e0 [ 7522.288095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.288095][ T3767] [ 7532.527951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7532.528454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7532.528454][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7532.528454][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7532.528454][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7532.528454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7532.528454][ T3767] ip6_route_add+0x1c/0x140 [ 7532.528454][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7532.528454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.528454][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.528454][ T3767] netlink_unicast+0x449/0x710 [ 7532.528454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.528454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.528454][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.528454][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.528454][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.528454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.528454][ T3767] [ 7532.530565][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7532.530565][ T3767] netdev_get_by_index+0x5e/0x80 [ 7532.530565][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7532.530565][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7532.530565][ T3767] ip6_route_add+0x1c/0x140 [ 7532.530565][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7532.530565][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7532.530565][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7532.530565][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.530565][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.530565][ T3767] netlink_unicast+0x449/0x710 [ 7532.530565][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.530565][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.530565][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.530565][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.530565][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.530565][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.530565][ T3767] [ 7532.532790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7532.532790][ T3767] netdev_get_by_index+0x5e/0x80 [ 7532.532790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7532.532790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7532.532790][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7532.532790][ T3767] ipv6_add_addr+0x411/0x2000 [ 7532.532790][ T3767] inet6_addr_add+0x30e/0xa40 [ 7532.532790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7532.532790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.532790][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.532790][ T3767] netlink_unicast+0x449/0x710 [ 7532.532790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.532790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.532790][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.532790][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.532790][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.532790][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.532790][ T3767] [ 7532.535000][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7532.535000][ T3767] netdev_get_by_index+0x5e/0x80 [ 7532.535000][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7532.535000][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7532.535000][ T3767] ip6_route_add+0x1c/0x140 [ 7532.535000][ T3767] addrconf_add_mroute+0x129/0x180 [ 7532.535000][ T3767] addrconf_add_dev+0xe2/0x170 [ 7532.535000][ T3767] inet6_addr_add+0x12f/0xa40 [ 7532.535000][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7532.535000][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.535000][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.535000][ T3767] netlink_unicast+0x449/0x710 [ 7532.535000][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.535000][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.535000][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.535000][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.535000][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.535000][ T3767] [ 7532.537171][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7532.537171][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7532.537171][ T3767] ipv6_find_idev+0x102/0x170 [ 7532.537171][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7532.537171][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.537171][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.537171][ T3767] netlink_unicast+0x449/0x710 [ 7532.537171][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.537171][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.537171][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.537171][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.537171][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.537171][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.537171][ T3767] [ 7532.538887][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7532.538887][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7532.538887][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7532.538887][ T3767] ipv6_find_idev+0x102/0x170 [ 7532.538887][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7532.538887][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.538887][ T3767] netlink_rcv_skb+0x130/0x360 [ 7532.538887][ T3767] netlink_unicast+0x449/0x710 [ 7532.538887][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7532.538887][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7532.538887][ T3767] ___sys_sendmsg+0xee/0x170 [ 7532.538887][ T3767] __sys_sendmsg+0xcd/0x170 [ 7532.538887][ T3767] do_syscall_64+0xc6/0x1e0 [ 7532.538887][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.538887][ T3767] [ 7542.567899][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7542.568604][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7542.568604][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7542.568604][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7542.568604][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7542.568604][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7542.568604][ T3767] ip6_route_add+0x1c/0x140 [ 7542.568604][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7542.568604][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.568604][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.568604][ T3767] netlink_unicast+0x449/0x710 [ 7542.568604][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.568604][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.568604][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.568604][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.568604][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.568604][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.568604][ T3767] [ 7542.572767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7542.572767][ T3767] netdev_get_by_index+0x5e/0x80 [ 7542.572767][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7542.572767][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7542.572767][ T3767] ip6_route_add+0x1c/0x140 [ 7542.572767][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7542.572767][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7542.572767][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7542.572767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.572767][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.572767][ T3767] netlink_unicast+0x449/0x710 [ 7542.572767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.572767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.572767][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.572767][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.572767][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.572767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.572767][ T3767] [ 7542.577063][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7542.577063][ T3767] netdev_get_by_index+0x5e/0x80 [ 7542.577063][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7542.577063][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7542.577063][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7542.577063][ T3767] ipv6_add_addr+0x411/0x2000 [ 7542.577063][ T3767] inet6_addr_add+0x30e/0xa40 [ 7542.577063][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7542.577063][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.577063][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.577063][ T3767] netlink_unicast+0x449/0x710 [ 7542.577063][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.577063][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.577063][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.577063][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.577063][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.577063][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.577063][ T3767] [ 7542.581372][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7542.581372][ T3767] netdev_get_by_index+0x5e/0x80 [ 7542.581372][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7542.581372][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7542.581372][ T3767] ip6_route_add+0x1c/0x140 [ 7542.581372][ T3767] addrconf_add_mroute+0x129/0x180 [ 7542.581372][ T3767] addrconf_add_dev+0xe2/0x170 [ 7542.581372][ T3767] inet6_addr_add+0x12f/0xa40 [ 7542.581372][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7542.581372][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.581372][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.581372][ T3767] netlink_unicast+0x449/0x710 [ 7542.581372][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.581372][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.581372][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.581372][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.581372][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.581372][ T3767] [ 7542.585584][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7542.585584][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7542.585584][ T3767] ipv6_find_idev+0x102/0x170 [ 7542.585584][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7542.585584][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.585584][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.585584][ T3767] netlink_unicast+0x449/0x710 [ 7542.585584][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.585584][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.585584][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.585584][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.585584][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.585584][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.585584][ T3767] [ 7542.588916][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7542.588916][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7542.588916][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7542.588916][ T3767] ipv6_find_idev+0x102/0x170 [ 7542.588916][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7542.588916][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.588916][ T3767] netlink_rcv_skb+0x130/0x360 [ 7542.588916][ T3767] netlink_unicast+0x449/0x710 [ 7542.588916][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7542.588916][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7542.588916][ T3767] ___sys_sendmsg+0xee/0x170 [ 7542.588916][ T3767] __sys_sendmsg+0xcd/0x170 [ 7542.588916][ T3767] do_syscall_64+0xc6/0x1e0 [ 7542.588916][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.588916][ T3767] [ 7552.831883][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7552.832370][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7552.832370][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7552.832370][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7552.832370][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7552.832370][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7552.832370][ T3767] ip6_route_add+0x1c/0x140 [ 7552.832370][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7552.832370][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.832370][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.832370][ T3767] netlink_unicast+0x449/0x710 [ 7552.832370][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.832370][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.832370][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.832370][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.832370][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.832370][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.832370][ T3767] [ 7552.834475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7552.834475][ T3767] netdev_get_by_index+0x5e/0x80 [ 7552.834475][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7552.834475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7552.834475][ T3767] ip6_route_add+0x1c/0x140 [ 7552.834475][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7552.834475][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7552.834475][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.834475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.834475][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.834475][ T3767] netlink_unicast+0x449/0x710 [ 7552.834475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.834475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.834475][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.834475][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.834475][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.834475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.834475][ T3767] [ 7552.836665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7552.836665][ T3767] netdev_get_by_index+0x5e/0x80 [ 7552.836665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7552.836665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7552.836665][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7552.836665][ T3767] ipv6_add_addr+0x411/0x2000 [ 7552.836665][ T3767] inet6_addr_add+0x30e/0xa40 [ 7552.836665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.836665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.836665][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.836665][ T3767] netlink_unicast+0x449/0x710 [ 7552.836665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.836665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.836665][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.836665][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.836665][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.836665][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.836665][ T3767] [ 7552.838869][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7552.838869][ T3767] netdev_get_by_index+0x5e/0x80 [ 7552.838869][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7552.838869][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7552.838869][ T3767] ip6_route_add+0x1c/0x140 [ 7552.838869][ T3767] addrconf_add_mroute+0x129/0x180 [ 7552.838869][ T3767] addrconf_add_dev+0xe2/0x170 [ 7552.838869][ T3767] inet6_addr_add+0x12f/0xa40 [ 7552.838869][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.838869][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.838869][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.838869][ T3767] netlink_unicast+0x449/0x710 [ 7552.838869][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.838869][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.838869][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.838869][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.838869][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.838869][ T3767] [ 7552.841021][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7552.841021][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7552.841021][ T3767] ipv6_find_idev+0x102/0x170 [ 7552.841021][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7552.841021][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.841021][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.841021][ T3767] netlink_unicast+0x449/0x710 [ 7552.841021][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.841021][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.841021][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.841021][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.841021][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.841021][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.841021][ T3767] [ 7552.842731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7552.842731][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7552.842731][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7552.842731][ T3767] ipv6_find_idev+0x102/0x170 [ 7552.842731][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7552.842731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.842731][ T3767] netlink_rcv_skb+0x130/0x360 [ 7552.842731][ T3767] netlink_unicast+0x449/0x710 [ 7552.842731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7552.842731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7552.842731][ T3767] ___sys_sendmsg+0xee/0x170 [ 7552.842731][ T3767] __sys_sendmsg+0xcd/0x170 [ 7552.842731][ T3767] do_syscall_64+0xc6/0x1e0 [ 7552.842731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.842731][ T3767] [ 7563.079866][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7563.080359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7563.080359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7563.080359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7563.080359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7563.080359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7563.080359][ T3767] ip6_route_add+0x1c/0x140 [ 7563.080359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7563.080359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.080359][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.080359][ T3767] netlink_unicast+0x449/0x710 [ 7563.080359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.080359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.080359][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.080359][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.080359][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.080359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.080359][ T3767] [ 7563.082492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7563.082492][ T3767] netdev_get_by_index+0x5e/0x80 [ 7563.082492][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7563.082492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7563.082492][ T3767] ip6_route_add+0x1c/0x140 [ 7563.082492][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7563.082492][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7563.082492][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7563.082492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.082492][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.082492][ T3767] netlink_unicast+0x449/0x710 [ 7563.082492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.082492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.082492][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.082492][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.082492][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.082492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.082492][ T3767] [ 7563.084730][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7563.084730][ T3767] netdev_get_by_index+0x5e/0x80 [ 7563.084730][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7563.084730][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7563.084730][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7563.084730][ T3767] ipv6_add_addr+0x411/0x2000 [ 7563.084730][ T3767] inet6_addr_add+0x30e/0xa40 [ 7563.084730][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7563.084730][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.084730][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.084730][ T3767] netlink_unicast+0x449/0x710 [ 7563.084730][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.084730][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.084730][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.084730][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.084730][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.084730][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.084730][ T3767] [ 7563.087013][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7563.087013][ T3767] netdev_get_by_index+0x5e/0x80 [ 7563.087013][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7563.087013][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7563.087013][ T3767] ip6_route_add+0x1c/0x140 [ 7563.087013][ T3767] addrconf_add_mroute+0x129/0x180 [ 7563.087013][ T3767] addrconf_add_dev+0xe2/0x170 [ 7563.087013][ T3767] inet6_addr_add+0x12f/0xa40 [ 7563.087013][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7563.087013][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.087013][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.087013][ T3767] netlink_unicast+0x449/0x710 [ 7563.087013][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.087013][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.087013][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.087013][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.087013][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.087013][ T3767] [ 7563.089162][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7563.089162][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7563.089162][ T3767] ipv6_find_idev+0x102/0x170 [ 7563.089162][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7563.089162][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.089162][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.089162][ T3767] netlink_unicast+0x449/0x710 [ 7563.089162][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.089162][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.089162][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.089162][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.089162][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.089162][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.089162][ T3767] [ 7563.090844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7563.090844][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7563.090844][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7563.090844][ T3767] ipv6_find_idev+0x102/0x170 [ 7563.090844][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7563.090844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.090844][ T3767] netlink_rcv_skb+0x130/0x360 [ 7563.090844][ T3767] netlink_unicast+0x449/0x710 [ 7563.090844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7563.090844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7563.090844][ T3767] ___sys_sendmsg+0xee/0x170 [ 7563.090844][ T3767] __sys_sendmsg+0xcd/0x170 [ 7563.090844][ T3767] do_syscall_64+0xc6/0x1e0 [ 7563.090844][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.090844][ T3767] [ 7573.327873][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7573.328393][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7573.328393][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7573.328393][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7573.328393][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7573.328393][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7573.328393][ T3767] ip6_route_add+0x1c/0x140 [ 7573.328393][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7573.328393][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.328393][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.328393][ T3767] netlink_unicast+0x449/0x710 [ 7573.328393][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.328393][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.328393][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.328393][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.328393][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.328393][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.328393][ T3767] [ 7573.330507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7573.330507][ T3767] netdev_get_by_index+0x5e/0x80 [ 7573.330507][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7573.330507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7573.330507][ T3767] ip6_route_add+0x1c/0x140 [ 7573.330507][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7573.330507][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7573.330507][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7573.330507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.330507][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.330507][ T3767] netlink_unicast+0x449/0x710 [ 7573.330507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.330507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.330507][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.330507][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.330507][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.330507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.330507][ T3767] [ 7573.332737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7573.332737][ T3767] netdev_get_by_index+0x5e/0x80 [ 7573.332737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7573.332737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7573.332737][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7573.332737][ T3767] ipv6_add_addr+0x411/0x2000 [ 7573.332737][ T3767] inet6_addr_add+0x30e/0xa40 [ 7573.332737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7573.332737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.332737][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.332737][ T3767] netlink_unicast+0x449/0x710 [ 7573.332737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.332737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.332737][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.332737][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.332737][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.332737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.332737][ T3767] [ 7573.334942][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7573.334942][ T3767] netdev_get_by_index+0x5e/0x80 [ 7573.334942][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7573.334942][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7573.334942][ T3767] ip6_route_add+0x1c/0x140 [ 7573.334942][ T3767] addrconf_add_mroute+0x129/0x180 [ 7573.334942][ T3767] addrconf_add_dev+0xe2/0x170 [ 7573.334942][ T3767] inet6_addr_add+0x12f/0xa40 [ 7573.334942][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7573.334942][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.334942][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.334942][ T3767] netlink_unicast+0x449/0x710 [ 7573.334942][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.334942][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.334942][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.334942][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.334942][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.334942][ T3767] [ 7573.337127][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7573.337127][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7573.337127][ T3767] ipv6_find_idev+0x102/0x170 [ 7573.337127][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7573.337127][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.337127][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.337127][ T3767] netlink_unicast+0x449/0x710 [ 7573.337127][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.337127][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.337127][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.337127][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.337127][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.337127][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.337127][ T3767] [ 7573.338836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7573.338836][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7573.338836][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7573.338836][ T3767] ipv6_find_idev+0x102/0x170 [ 7573.338836][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7573.338836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.338836][ T3767] netlink_rcv_skb+0x130/0x360 [ 7573.338836][ T3767] netlink_unicast+0x449/0x710 [ 7573.338836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7573.338836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7573.338836][ T3767] ___sys_sendmsg+0xee/0x170 [ 7573.338836][ T3767] __sys_sendmsg+0xcd/0x170 [ 7573.338836][ T3767] do_syscall_64+0xc6/0x1e0 [ 7573.338836][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.338836][ T3767] [ 7583.575950][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7583.576478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7583.576478][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7583.576478][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7583.576478][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7583.576478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7583.576478][ T3767] ip6_route_add+0x1c/0x140 [ 7583.576478][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7583.576478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.576478][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.576478][ T3767] netlink_unicast+0x449/0x710 [ 7583.576478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.576478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.576478][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.576478][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.576478][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.576478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.576478][ T3767] [ 7583.578564][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7583.578564][ T3767] netdev_get_by_index+0x5e/0x80 [ 7583.578564][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7583.578564][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7583.578564][ T3767] ip6_route_add+0x1c/0x140 [ 7583.578564][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7583.578564][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7583.578564][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7583.578564][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.578564][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.578564][ T3767] netlink_unicast+0x449/0x710 [ 7583.578564][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.578564][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.578564][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.578564][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.578564][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.578564][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.578564][ T3767] [ 7583.580796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7583.580796][ T3767] netdev_get_by_index+0x5e/0x80 [ 7583.580796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7583.580796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7583.580796][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7583.580796][ T3767] ipv6_add_addr+0x411/0x2000 [ 7583.580796][ T3767] inet6_addr_add+0x30e/0xa40 [ 7583.580796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7583.580796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.580796][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.580796][ T3767] netlink_unicast+0x449/0x710 [ 7583.580796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.580796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.580796][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.580796][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.580796][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.580796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.580796][ T3767] [ 7583.583014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7583.583014][ T3767] netdev_get_by_index+0x5e/0x80 [ 7583.583014][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7583.583014][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7583.583014][ T3767] ip6_route_add+0x1c/0x140 [ 7583.583014][ T3767] addrconf_add_mroute+0x129/0x180 [ 7583.583014][ T3767] addrconf_add_dev+0xe2/0x170 [ 7583.583014][ T3767] inet6_addr_add+0x12f/0xa40 [ 7583.583014][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7583.583014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.583014][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.583014][ T3767] netlink_unicast+0x449/0x710 [ 7583.583014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.583014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.583014][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.583014][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.583014][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.583014][ T3767] [ 7583.585178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7583.585178][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7583.585178][ T3767] ipv6_find_idev+0x102/0x170 [ 7583.585178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7583.585178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.585178][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.585178][ T3767] netlink_unicast+0x449/0x710 [ 7583.585178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.585178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.585178][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.585178][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.585178][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.585178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.585178][ T3767] [ 7583.586870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7583.586870][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7583.586870][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7583.586870][ T3767] ipv6_find_idev+0x102/0x170 [ 7583.586870][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7583.586870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.586870][ T3767] netlink_rcv_skb+0x130/0x360 [ 7583.586870][ T3767] netlink_unicast+0x449/0x710 [ 7583.586870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7583.586870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7583.586870][ T3767] ___sys_sendmsg+0xee/0x170 [ 7583.586870][ T3767] __sys_sendmsg+0xcd/0x170 [ 7583.586870][ T3767] do_syscall_64+0xc6/0x1e0 [ 7583.586870][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.586870][ T3767] [ 7593.823877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7593.824384][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7593.824384][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7593.824384][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7593.824384][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7593.824384][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7593.824384][ T3767] ip6_route_add+0x1c/0x140 [ 7593.824384][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7593.824384][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.824384][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.824384][ T3767] netlink_unicast+0x449/0x710 [ 7593.824384][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.824384][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.824384][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.824384][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.824384][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.824384][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.824384][ T3767] [ 7593.826688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7593.826688][ T3767] netdev_get_by_index+0x5e/0x80 [ 7593.826688][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7593.826688][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7593.826688][ T3767] ip6_route_add+0x1c/0x140 [ 7593.826688][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7593.826688][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7593.826688][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.826688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.826688][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.826688][ T3767] netlink_unicast+0x449/0x710 [ 7593.826688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.826688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.826688][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.826688][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.826688][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.826688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.826688][ T3767] [ 7593.829169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7593.829169][ T3767] netdev_get_by_index+0x5e/0x80 [ 7593.829169][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7593.829169][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7593.829169][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7593.829169][ T3767] ipv6_add_addr+0x411/0x2000 [ 7593.829169][ T3767] inet6_addr_add+0x30e/0xa40 [ 7593.829169][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.829169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.829169][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.829169][ T3767] netlink_unicast+0x449/0x710 [ 7593.829169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.829169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.829169][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.829169][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.829169][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.829169][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.829169][ T3767] [ 7593.831624][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7593.831624][ T3767] netdev_get_by_index+0x5e/0x80 [ 7593.831624][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7593.831624][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7593.831624][ T3767] ip6_route_add+0x1c/0x140 [ 7593.831624][ T3767] addrconf_add_mroute+0x129/0x180 [ 7593.831624][ T3767] addrconf_add_dev+0xe2/0x170 [ 7593.831624][ T3767] inet6_addr_add+0x12f/0xa40 [ 7593.831624][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.831624][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.831624][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.831624][ T3767] netlink_unicast+0x449/0x710 [ 7593.831624][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.831624][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.831624][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.831624][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.831624][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.831624][ T3767] [ 7593.834000][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7593.834000][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7593.834000][ T3767] ipv6_find_idev+0x102/0x170 [ 7593.834000][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7593.834000][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.834000][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.834000][ T3767] netlink_unicast+0x449/0x710 [ 7593.834000][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.834000][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.834000][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.834000][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.834000][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.834000][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.834000][ T3767] [ 7593.835893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7593.835893][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7593.835893][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7593.835893][ T3767] ipv6_find_idev+0x102/0x170 [ 7593.835893][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7593.835893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.835893][ T3767] netlink_rcv_skb+0x130/0x360 [ 7593.835893][ T3767] netlink_unicast+0x449/0x710 [ 7593.835893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7593.835893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7593.835893][ T3767] ___sys_sendmsg+0xee/0x170 [ 7593.835893][ T3767] __sys_sendmsg+0xcd/0x170 [ 7593.835893][ T3767] do_syscall_64+0xc6/0x1e0 [ 7593.835893][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.835893][ T3767] [ 7604.079877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7604.080349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7604.080349][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7604.080349][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7604.080349][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7604.080349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7604.080349][ T3767] ip6_route_add+0x1c/0x140 [ 7604.080349][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7604.080349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.080349][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.080349][ T3767] netlink_unicast+0x449/0x710 [ 7604.080349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.080349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.080349][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.080349][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.080349][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.080349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.080349][ T3767] [ 7604.082630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7604.082630][ T3767] netdev_get_by_index+0x5e/0x80 [ 7604.082630][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7604.082630][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7604.082630][ T3767] ip6_route_add+0x1c/0x140 [ 7604.082630][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7604.082630][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7604.082630][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7604.082630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.082630][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.082630][ T3767] netlink_unicast+0x449/0x710 [ 7604.082630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.082630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.082630][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.082630][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.082630][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.082630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.082630][ T3767] [ 7604.085067][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7604.085067][ T3767] netdev_get_by_index+0x5e/0x80 [ 7604.085067][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7604.085067][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7604.085067][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7604.085067][ T3767] ipv6_add_addr+0x411/0x2000 [ 7604.085067][ T3767] inet6_addr_add+0x30e/0xa40 [ 7604.085067][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7604.085067][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.085067][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.085067][ T3767] netlink_unicast+0x449/0x710 [ 7604.085067][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.085067][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.085067][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.085067][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.085067][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.085067][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.085067][ T3767] [ 7604.087499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7604.087499][ T3767] netdev_get_by_index+0x5e/0x80 [ 7604.087499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7604.087499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7604.087499][ T3767] ip6_route_add+0x1c/0x140 [ 7604.087499][ T3767] addrconf_add_mroute+0x129/0x180 [ 7604.087499][ T3767] addrconf_add_dev+0xe2/0x170 [ 7604.087499][ T3767] inet6_addr_add+0x12f/0xa40 [ 7604.087499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7604.087499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.087499][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.087499][ T3767] netlink_unicast+0x449/0x710 [ 7604.087499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.087499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.087499][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.087499][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.087499][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.087499][ T3767] [ 7604.089888][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7604.089888][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7604.089888][ T3767] ipv6_find_idev+0x102/0x170 [ 7604.089888][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7604.089888][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.089888][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.089888][ T3767] netlink_unicast+0x449/0x710 [ 7604.089888][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.089888][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.089888][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.089888][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.089888][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.089888][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.089888][ T3767] [ 7604.091756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7604.091756][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7604.091756][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7604.091756][ T3767] ipv6_find_idev+0x102/0x170 [ 7604.091756][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7604.091756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.091756][ T3767] netlink_rcv_skb+0x130/0x360 [ 7604.091756][ T3767] netlink_unicast+0x449/0x710 [ 7604.091756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7604.091756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7604.091756][ T3767] ___sys_sendmsg+0xee/0x170 [ 7604.091756][ T3767] __sys_sendmsg+0xcd/0x170 [ 7604.091756][ T3767] do_syscall_64+0xc6/0x1e0 [ 7604.091756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.091756][ T3767] [ 7614.335952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7614.336425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7614.336425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7614.336425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7614.336425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7614.336425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7614.336425][ T3767] ip6_route_add+0x1c/0x140 [ 7614.336425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7614.336425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.336425][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.336425][ T3767] netlink_unicast+0x449/0x710 [ 7614.336425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.336425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.336425][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.336425][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.336425][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.336425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.336425][ T3767] [ 7614.338706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7614.338706][ T3767] netdev_get_by_index+0x5e/0x80 [ 7614.338706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7614.338706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7614.338706][ T3767] ip6_route_add+0x1c/0x140 [ 7614.338706][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7614.338706][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7614.338706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7614.338706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.338706][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.338706][ T3767] netlink_unicast+0x449/0x710 [ 7614.338706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.338706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.338706][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.338706][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.338706][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.338706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.338706][ T3767] [ 7614.341337][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7614.341337][ T3767] netdev_get_by_index+0x5e/0x80 [ 7614.341337][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7614.341337][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7614.341337][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7614.341337][ T3767] ipv6_add_addr+0x411/0x2000 [ 7614.341337][ T3767] inet6_addr_add+0x30e/0xa40 [ 7614.341337][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7614.341337][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.341337][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.341337][ T3767] netlink_unicast+0x449/0x710 [ 7614.341337][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.341337][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.341337][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.341337][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.341337][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.341337][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.341337][ T3767] [ 7614.343852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7614.343852][ T3767] netdev_get_by_index+0x5e/0x80 [ 7614.343852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7614.343852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7614.343852][ T3767] ip6_route_add+0x1c/0x140 [ 7614.343852][ T3767] addrconf_add_mroute+0x129/0x180 [ 7614.343852][ T3767] addrconf_add_dev+0xe2/0x170 [ 7614.343852][ T3767] inet6_addr_add+0x12f/0xa40 [ 7614.343852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7614.343852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.343852][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.343852][ T3767] netlink_unicast+0x449/0x710 [ 7614.343852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.343852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.343852][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.343852][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.343852][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.343852][ T3767] [ 7614.346209][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7614.346209][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7614.346209][ T3767] ipv6_find_idev+0x102/0x170 [ 7614.346209][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7614.346209][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.346209][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.346209][ T3767] netlink_unicast+0x449/0x710 [ 7614.346209][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.346209][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.346209][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.346209][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.346209][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.346209][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.346209][ T3767] [ 7614.348033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7614.348033][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7614.348033][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7614.348033][ T3767] ipv6_find_idev+0x102/0x170 [ 7614.348033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7614.348033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.348033][ T3767] netlink_rcv_skb+0x130/0x360 [ 7614.348033][ T3767] netlink_unicast+0x449/0x710 [ 7614.348033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7614.348033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7614.348033][ T3767] ___sys_sendmsg+0xee/0x170 [ 7614.348033][ T3767] __sys_sendmsg+0xcd/0x170 [ 7614.348033][ T3767] do_syscall_64+0xc6/0x1e0 [ 7614.348033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.348033][ T3767] [ 7624.591888][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7624.592381][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7624.592381][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7624.592381][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7624.592381][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7624.592381][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7624.592381][ T3767] ip6_route_add+0x1c/0x140 [ 7624.592381][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7624.592381][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.592381][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.592381][ T3767] netlink_unicast+0x449/0x710 [ 7624.592381][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.592381][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.592381][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.592381][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.592381][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.592381][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.592381][ T3767] [ 7624.594636][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7624.594636][ T3767] netdev_get_by_index+0x5e/0x80 [ 7624.594636][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7624.594636][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7624.594636][ T3767] ip6_route_add+0x1c/0x140 [ 7624.594636][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7624.594636][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7624.594636][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7624.594636][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.594636][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.594636][ T3767] netlink_unicast+0x449/0x710 [ 7624.594636][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.594636][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.594636][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.594636][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.594636][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.594636][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.594636][ T3767] [ 7624.597033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7624.597033][ T3767] netdev_get_by_index+0x5e/0x80 [ 7624.597033][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7624.597033][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7624.597033][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7624.597033][ T3767] ipv6_add_addr+0x411/0x2000 [ 7624.597033][ T3767] inet6_addr_add+0x30e/0xa40 [ 7624.597033][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7624.597033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.597033][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.597033][ T3767] netlink_unicast+0x449/0x710 [ 7624.597033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.597033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.597033][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.597033][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.597033][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.597033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.597033][ T3767] [ 7624.599411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7624.599411][ T3767] netdev_get_by_index+0x5e/0x80 [ 7624.599411][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7624.599411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7624.599411][ T3767] ip6_route_add+0x1c/0x140 [ 7624.599411][ T3767] addrconf_add_mroute+0x129/0x180 [ 7624.599411][ T3767] addrconf_add_dev+0xe2/0x170 [ 7624.599411][ T3767] inet6_addr_add+0x12f/0xa40 [ 7624.599411][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7624.599411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.599411][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.599411][ T3767] netlink_unicast+0x449/0x710 [ 7624.599411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.599411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.599411][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.599411][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.599411][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.599411][ T3767] [ 7624.601798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7624.601798][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7624.601798][ T3767] ipv6_find_idev+0x102/0x170 [ 7624.601798][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7624.601798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.601798][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.601798][ T3767] netlink_unicast+0x449/0x710 [ 7624.601798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.601798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.601798][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.601798][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.601798][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.601798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.601798][ T3767] [ 7624.603622][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7624.603622][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7624.603622][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7624.603622][ T3767] ipv6_find_idev+0x102/0x170 [ 7624.603622][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7624.603622][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.603622][ T3767] netlink_rcv_skb+0x130/0x360 [ 7624.603622][ T3767] netlink_unicast+0x449/0x710 [ 7624.603622][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7624.603622][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7624.603622][ T3767] ___sys_sendmsg+0xee/0x170 [ 7624.603622][ T3767] __sys_sendmsg+0xcd/0x170 [ 7624.603622][ T3767] do_syscall_64+0xc6/0x1e0 [ 7624.603622][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.603622][ T3767] [ 7634.847943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7634.848419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7634.848419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7634.848419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7634.848419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7634.848419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7634.848419][ T3767] ip6_route_add+0x1c/0x140 [ 7634.848419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7634.848419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.848419][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.848419][ T3767] netlink_unicast+0x449/0x710 [ 7634.848419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.848419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.848419][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.848419][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.848419][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.848419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.848419][ T3767] [ 7634.850823][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7634.850823][ T3767] netdev_get_by_index+0x5e/0x80 [ 7634.850823][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7634.850823][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7634.850823][ T3767] ip6_route_add+0x1c/0x140 [ 7634.850823][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7634.850823][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7634.850823][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.850823][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.850823][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.850823][ T3767] netlink_unicast+0x449/0x710 [ 7634.850823][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.850823][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.850823][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.850823][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.850823][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.850823][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.850823][ T3767] [ 7634.853011][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7634.853011][ T3767] netdev_get_by_index+0x5e/0x80 [ 7634.853011][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7634.853011][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7634.853011][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7634.853011][ T3767] ipv6_add_addr+0x411/0x2000 [ 7634.853011][ T3767] inet6_addr_add+0x30e/0xa40 [ 7634.853011][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.853011][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.853011][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.853011][ T3767] netlink_unicast+0x449/0x710 [ 7634.853011][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.853011][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.853011][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.853011][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.853011][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.853011][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.853011][ T3767] [ 7634.855196][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7634.855196][ T3767] netdev_get_by_index+0x5e/0x80 [ 7634.855196][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7634.855196][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7634.855196][ T3767] ip6_route_add+0x1c/0x140 [ 7634.855196][ T3767] addrconf_add_mroute+0x129/0x180 [ 7634.855196][ T3767] addrconf_add_dev+0xe2/0x170 [ 7634.855196][ T3767] inet6_addr_add+0x12f/0xa40 [ 7634.855196][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.855196][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.855196][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.855196][ T3767] netlink_unicast+0x449/0x710 [ 7634.855196][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.855196][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.855196][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.855196][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.855196][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.855196][ T3767] [ 7634.857820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7634.857820][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7634.857820][ T3767] ipv6_find_idev+0x102/0x170 [ 7634.857820][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7634.857820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.857820][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.857820][ T3767] netlink_unicast+0x449/0x710 [ 7634.857820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.857820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.857820][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.857820][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.857820][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.857820][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.857820][ T3767] [ 7634.859499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7634.859499][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7634.859499][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7634.859499][ T3767] ipv6_find_idev+0x102/0x170 [ 7634.859499][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7634.859499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.859499][ T3767] netlink_rcv_skb+0x130/0x360 [ 7634.859499][ T3767] netlink_unicast+0x449/0x710 [ 7634.859499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7634.859499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7634.859499][ T3767] ___sys_sendmsg+0xee/0x170 [ 7634.859499][ T3767] __sys_sendmsg+0xcd/0x170 [ 7634.859499][ T3767] do_syscall_64+0xc6/0x1e0 [ 7634.859499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.859499][ T3767] [ 7645.103940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7645.104404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7645.104404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7645.104404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7645.104404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7645.104404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7645.104404][ T3767] ip6_route_add+0x1c/0x140 [ 7645.104404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7645.104404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.104404][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.104404][ T3767] netlink_unicast+0x449/0x710 [ 7645.104404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.104404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.104404][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.104404][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.104404][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.104404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.104404][ T3767] [ 7645.106476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7645.106476][ T3767] netdev_get_by_index+0x5e/0x80 [ 7645.106476][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7645.106476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7645.106476][ T3767] ip6_route_add+0x1c/0x140 [ 7645.106476][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7645.106476][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7645.106476][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7645.106476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.106476][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.106476][ T3767] netlink_unicast+0x449/0x710 [ 7645.106476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.106476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.106476][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.106476][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.106476][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.106476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.106476][ T3767] [ 7645.108803][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7645.108803][ T3767] netdev_get_by_index+0x5e/0x80 [ 7645.108803][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7645.108803][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7645.108803][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7645.108803][ T3767] ipv6_add_addr+0x411/0x2000 [ 7645.108803][ T3767] inet6_addr_add+0x30e/0xa40 [ 7645.108803][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7645.108803][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.108803][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.108803][ T3767] netlink_unicast+0x449/0x710 [ 7645.108803][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.108803][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.108803][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.108803][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.108803][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.108803][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.108803][ T3767] [ 7645.111078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7645.111078][ T3767] netdev_get_by_index+0x5e/0x80 [ 7645.111078][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7645.111078][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7645.111078][ T3767] ip6_route_add+0x1c/0x140 [ 7645.111078][ T3767] addrconf_add_mroute+0x129/0x180 [ 7645.111078][ T3767] addrconf_add_dev+0xe2/0x170 [ 7645.111078][ T3767] inet6_addr_add+0x12f/0xa40 [ 7645.111078][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7645.111078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.111078][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.111078][ T3767] netlink_unicast+0x449/0x710 [ 7645.111078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.111078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.111078][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.111078][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.111078][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.111078][ T3767] [ 7645.113216][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7645.113216][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7645.113216][ T3767] ipv6_find_idev+0x102/0x170 [ 7645.113216][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7645.113216][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.113216][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.113216][ T3767] netlink_unicast+0x449/0x710 [ 7645.113216][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.113216][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.113216][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.113216][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.113216][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.113216][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.113216][ T3767] [ 7645.114896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7645.114896][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7645.114896][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7645.114896][ T3767] ipv6_find_idev+0x102/0x170 [ 7645.114896][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7645.114896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.114896][ T3767] netlink_rcv_skb+0x130/0x360 [ 7645.114896][ T3767] netlink_unicast+0x449/0x710 [ 7645.114896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7645.114896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7645.114896][ T3767] ___sys_sendmsg+0xee/0x170 [ 7645.114896][ T3767] __sys_sendmsg+0xcd/0x170 [ 7645.114896][ T3767] do_syscall_64+0xc6/0x1e0 [ 7645.114896][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.114896][ T3767] [ 7655.167984][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7655.168451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7655.168451][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7655.168451][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7655.168451][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7655.168451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7655.168451][ T3767] ip6_route_add+0x1c/0x140 [ 7655.168451][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7655.168451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.168451][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.168451][ T3767] netlink_unicast+0x449/0x710 [ 7655.168451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.168451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.168451][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.168451][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.168451][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.168451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.168451][ T3767] [ 7655.170524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7655.170524][ T3767] netdev_get_by_index+0x5e/0x80 [ 7655.170524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7655.170524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7655.170524][ T3767] ip6_route_add+0x1c/0x140 [ 7655.170524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7655.170524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7655.170524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7655.170524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.170524][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.170524][ T3767] netlink_unicast+0x449/0x710 [ 7655.170524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.170524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.170524][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.170524][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.170524][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.170524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.170524][ T3767] [ 7655.172725][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7655.172725][ T3767] netdev_get_by_index+0x5e/0x80 [ 7655.172725][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7655.172725][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7655.172725][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7655.172725][ T3767] ipv6_add_addr+0x411/0x2000 [ 7655.172725][ T3767] inet6_addr_add+0x30e/0xa40 [ 7655.172725][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7655.172725][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.172725][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.172725][ T3767] netlink_unicast+0x449/0x710 [ 7655.172725][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.172725][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.172725][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.172725][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.172725][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.172725][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.172725][ T3767] [ 7655.174926][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7655.174926][ T3767] netdev_get_by_index+0x5e/0x80 [ 7655.174926][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7655.174926][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7655.174926][ T3767] ip6_route_add+0x1c/0x140 [ 7655.174926][ T3767] addrconf_add_mroute+0x129/0x180 [ 7655.174926][ T3767] addrconf_add_dev+0xe2/0x170 [ 7655.174926][ T3767] inet6_addr_add+0x12f/0xa40 [ 7655.174926][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7655.174926][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.174926][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.174926][ T3767] netlink_unicast+0x449/0x710 [ 7655.174926][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.174926][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.174926][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.174926][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.174926][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.174926][ T3767] [ 7655.177077][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7655.177077][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7655.177077][ T3767] ipv6_find_idev+0x102/0x170 [ 7655.177077][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7655.177077][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.177077][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.177077][ T3767] netlink_unicast+0x449/0x710 [ 7655.177077][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.177077][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.177077][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.177077][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.177077][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.177077][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.177077][ T3767] [ 7655.178778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7655.178778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7655.178778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7655.178778][ T3767] ipv6_find_idev+0x102/0x170 [ 7655.178778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7655.178778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.178778][ T3767] netlink_rcv_skb+0x130/0x360 [ 7655.178778][ T3767] netlink_unicast+0x449/0x710 [ 7655.178778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7655.178778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7655.178778][ T3767] ___sys_sendmsg+0xee/0x170 [ 7655.178778][ T3767] __sys_sendmsg+0xcd/0x170 [ 7655.178778][ T3767] do_syscall_64+0xc6/0x1e0 [ 7655.178778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.178778][ T3767] [ 7665.415935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7665.416401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7665.416401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7665.416401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7665.416401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7665.416401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7665.416401][ T3767] ip6_route_add+0x1c/0x140 [ 7665.416401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7665.416401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.416401][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.416401][ T3767] netlink_unicast+0x449/0x710 [ 7665.416401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.416401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.416401][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.416401][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.416401][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.416401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.416401][ T3767] [ 7665.418480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7665.418480][ T3767] netdev_get_by_index+0x5e/0x80 [ 7665.418480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7665.418480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7665.418480][ T3767] ip6_route_add+0x1c/0x140 [ 7665.418480][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7665.418480][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7665.418480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7665.418480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.418480][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.418480][ T3767] netlink_unicast+0x449/0x710 [ 7665.418480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.418480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.418480][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.418480][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.418480][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.418480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.418480][ T3767] [ 7665.420676][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7665.420676][ T3767] netdev_get_by_index+0x5e/0x80 [ 7665.420676][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7665.420676][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7665.420676][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7665.420676][ T3767] ipv6_add_addr+0x411/0x2000 [ 7665.420676][ T3767] inet6_addr_add+0x30e/0xa40 [ 7665.420676][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7665.420676][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.420676][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.420676][ T3767] netlink_unicast+0x449/0x710 [ 7665.420676][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.420676][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.420676][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.420676][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.420676][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.420676][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.420676][ T3767] [ 7665.422859][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7665.422859][ T3767] netdev_get_by_index+0x5e/0x80 [ 7665.422859][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7665.422859][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7665.422859][ T3767] ip6_route_add+0x1c/0x140 [ 7665.422859][ T3767] addrconf_add_mroute+0x129/0x180 [ 7665.422859][ T3767] addrconf_add_dev+0xe2/0x170 [ 7665.422859][ T3767] inet6_addr_add+0x12f/0xa40 [ 7665.422859][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7665.422859][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.422859][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.422859][ T3767] netlink_unicast+0x449/0x710 [ 7665.422859][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.422859][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.422859][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.422859][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.422859][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.422859][ T3767] [ 7665.425016][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7665.425016][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7665.425016][ T3767] ipv6_find_idev+0x102/0x170 [ 7665.425016][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7665.425016][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.425016][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.425016][ T3767] netlink_unicast+0x449/0x710 [ 7665.425016][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.425016][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.425016][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.425016][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.425016][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.425016][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.425016][ T3767] [ 7665.426701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7665.426701][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7665.426701][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7665.426701][ T3767] ipv6_find_idev+0x102/0x170 [ 7665.426701][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7665.426701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.426701][ T3767] netlink_rcv_skb+0x130/0x360 [ 7665.426701][ T3767] netlink_unicast+0x449/0x710 [ 7665.426701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7665.426701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7665.426701][ T3767] ___sys_sendmsg+0xee/0x170 [ 7665.426701][ T3767] __sys_sendmsg+0xcd/0x170 [ 7665.426701][ T3767] do_syscall_64+0xc6/0x1e0 [ 7665.426701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.426701][ T3767] [ 7675.663954][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7675.664421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7675.664421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7675.664421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7675.664421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7675.664421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7675.664421][ T3767] ip6_route_add+0x1c/0x140 [ 7675.664421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7675.664421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.664421][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.664421][ T3767] netlink_unicast+0x449/0x710 [ 7675.664421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.664421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.664421][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.664421][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.664421][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.664421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.664421][ T3767] [ 7675.666537][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7675.666537][ T3767] netdev_get_by_index+0x5e/0x80 [ 7675.666537][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7675.666537][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7675.666537][ T3767] ip6_route_add+0x1c/0x140 [ 7675.666537][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7675.666537][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7675.666537][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.666537][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.666537][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.666537][ T3767] netlink_unicast+0x449/0x710 [ 7675.666537][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.666537][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.666537][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.666537][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.666537][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.666537][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.666537][ T3767] [ 7675.668733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7675.668733][ T3767] netdev_get_by_index+0x5e/0x80 [ 7675.668733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7675.668733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7675.668733][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7675.668733][ T3767] ipv6_add_addr+0x411/0x2000 [ 7675.668733][ T3767] inet6_addr_add+0x30e/0xa40 [ 7675.668733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.668733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.668733][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.668733][ T3767] netlink_unicast+0x449/0x710 [ 7675.668733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.668733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.668733][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.668733][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.668733][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.668733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.668733][ T3767] [ 7675.670941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7675.670941][ T3767] netdev_get_by_index+0x5e/0x80 [ 7675.670941][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7675.670941][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7675.670941][ T3767] ip6_route_add+0x1c/0x140 [ 7675.670941][ T3767] addrconf_add_mroute+0x129/0x180 [ 7675.670941][ T3767] addrconf_add_dev+0xe2/0x170 [ 7675.670941][ T3767] inet6_addr_add+0x12f/0xa40 [ 7675.670941][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.670941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.670941][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.670941][ T3767] netlink_unicast+0x449/0x710 [ 7675.670941][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.670941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.670941][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.670941][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.670941][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.670941][ T3767] [ 7675.673105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7675.673105][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7675.673105][ T3767] ipv6_find_idev+0x102/0x170 [ 7675.673105][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7675.673105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.673105][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.673105][ T3767] netlink_unicast+0x449/0x710 [ 7675.673105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.673105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.673105][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.673105][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.673105][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.673105][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.673105][ T3767] [ 7675.674787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7675.674787][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7675.674787][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7675.674787][ T3767] ipv6_find_idev+0x102/0x170 [ 7675.674787][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7675.674787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.674787][ T3767] netlink_rcv_skb+0x130/0x360 [ 7675.674787][ T3767] netlink_unicast+0x449/0x710 [ 7675.674787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7675.674787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7675.674787][ T3767] ___sys_sendmsg+0xee/0x170 [ 7675.674787][ T3767] __sys_sendmsg+0xcd/0x170 [ 7675.674787][ T3767] do_syscall_64+0xc6/0x1e0 [ 7675.674787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.674787][ T3767] [ 7685.711983][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7685.712409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7685.712409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7685.712409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7685.712409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7685.712409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7685.712409][ T3767] ip6_route_add+0x1c/0x140 [ 7685.712409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7685.712409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.712409][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.712409][ T3767] netlink_unicast+0x449/0x710 [ 7685.712409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.712409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.712409][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.712409][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.712409][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.712409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.712409][ T3767] [ 7685.714490][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7685.714490][ T3767] netdev_get_by_index+0x5e/0x80 [ 7685.714490][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7685.714490][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7685.714490][ T3767] ip6_route_add+0x1c/0x140 [ 7685.714490][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7685.714490][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7685.714490][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.714490][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.714490][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.714490][ T3767] netlink_unicast+0x449/0x710 [ 7685.714490][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.714490][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.714490][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.714490][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.714490][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.714490][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.714490][ T3767] [ 7685.716675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7685.716675][ T3767] netdev_get_by_index+0x5e/0x80 [ 7685.716675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7685.716675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7685.716675][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7685.716675][ T3767] ipv6_add_addr+0x411/0x2000 [ 7685.716675][ T3767] inet6_addr_add+0x30e/0xa40 [ 7685.716675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.716675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.716675][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.716675][ T3767] netlink_unicast+0x449/0x710 [ 7685.716675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.716675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.716675][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.716675][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.716675][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.716675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.716675][ T3767] [ 7685.718873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7685.718873][ T3767] netdev_get_by_index+0x5e/0x80 [ 7685.718873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7685.718873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7685.718873][ T3767] ip6_route_add+0x1c/0x140 [ 7685.718873][ T3767] addrconf_add_mroute+0x129/0x180 [ 7685.718873][ T3767] addrconf_add_dev+0xe2/0x170 [ 7685.718873][ T3767] inet6_addr_add+0x12f/0xa40 [ 7685.718873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.718873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.718873][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.718873][ T3767] netlink_unicast+0x449/0x710 [ 7685.718873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.718873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.718873][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.718873][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.718873][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.718873][ T3767] [ 7685.721062][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7685.721062][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7685.721062][ T3767] ipv6_find_idev+0x102/0x170 [ 7685.721062][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.721062][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.721062][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.721062][ T3767] netlink_unicast+0x449/0x710 [ 7685.721062][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.721062][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.721062][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.721062][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.721062][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.721062][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.721062][ T3767] [ 7685.722752][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7685.722752][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7685.722752][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7685.722752][ T3767] ipv6_find_idev+0x102/0x170 [ 7685.722752][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.722752][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.722752][ T3767] netlink_rcv_skb+0x130/0x360 [ 7685.722752][ T3767] netlink_unicast+0x449/0x710 [ 7685.722752][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7685.722752][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7685.722752][ T3767] ___sys_sendmsg+0xee/0x170 [ 7685.722752][ T3767] __sys_sendmsg+0xcd/0x170 [ 7685.722752][ T3767] do_syscall_64+0xc6/0x1e0 [ 7685.722752][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.722752][ T3767] [ 7695.735941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7695.736439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7695.736439][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7695.736439][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7695.736439][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7695.736439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7695.736439][ T3767] ip6_route_add+0x1c/0x140 [ 7695.736439][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7695.736439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.736439][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.736439][ T3767] netlink_unicast+0x449/0x710 [ 7695.736439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.736439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.736439][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.736439][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.736439][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.736439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.736439][ T3767] [ 7695.738521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7695.738521][ T3767] netdev_get_by_index+0x5e/0x80 [ 7695.738521][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7695.738521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7695.738521][ T3767] ip6_route_add+0x1c/0x140 [ 7695.738521][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7695.738521][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7695.738521][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.738521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.738521][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.738521][ T3767] netlink_unicast+0x449/0x710 [ 7695.738521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.738521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.738521][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.738521][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.738521][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.738521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.738521][ T3767] [ 7695.740736][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7695.740736][ T3767] netdev_get_by_index+0x5e/0x80 [ 7695.740736][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7695.740736][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7695.740736][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7695.740736][ T3767] ipv6_add_addr+0x411/0x2000 [ 7695.740736][ T3767] inet6_addr_add+0x30e/0xa40 [ 7695.740736][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.740736][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.740736][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.740736][ T3767] netlink_unicast+0x449/0x710 [ 7695.740736][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.740736][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.740736][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.740736][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.740736][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.740736][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.740736][ T3767] [ 7695.742919][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7695.742919][ T3767] netdev_get_by_index+0x5e/0x80 [ 7695.742919][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7695.742919][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7695.742919][ T3767] ip6_route_add+0x1c/0x140 [ 7695.742919][ T3767] addrconf_add_mroute+0x129/0x180 [ 7695.742919][ T3767] addrconf_add_dev+0xe2/0x170 [ 7695.742919][ T3767] inet6_addr_add+0x12f/0xa40 [ 7695.742919][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.742919][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.742919][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.742919][ T3767] netlink_unicast+0x449/0x710 [ 7695.742919][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.742919][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.742919][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.742919][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.742919][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.742919][ T3767] [ 7695.745069][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7695.745069][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7695.745069][ T3767] ipv6_find_idev+0x102/0x170 [ 7695.745069][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.745069][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.745069][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.745069][ T3767] netlink_unicast+0x449/0x710 [ 7695.745069][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.745069][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.745069][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.745069][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.745069][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.745069][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.745069][ T3767] [ 7695.746759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7695.746759][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7695.746759][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7695.746759][ T3767] ipv6_find_idev+0x102/0x170 [ 7695.746759][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.746759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.746759][ T3767] netlink_rcv_skb+0x130/0x360 [ 7695.746759][ T3767] netlink_unicast+0x449/0x710 [ 7695.746759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7695.746759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7695.746759][ T3767] ___sys_sendmsg+0xee/0x170 [ 7695.746759][ T3767] __sys_sendmsg+0xcd/0x170 [ 7695.746759][ T3767] do_syscall_64+0xc6/0x1e0 [ 7695.746759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.746759][ T3767] [ 7705.983875][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7705.984336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7705.984336][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7705.984336][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7705.984336][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7705.984336][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7705.984336][ T3767] ip6_route_add+0x1c/0x140 [ 7705.984336][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7705.984336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.984336][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.984336][ T3767] netlink_unicast+0x449/0x710 [ 7705.984336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.984336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.984336][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.984336][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.984336][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.984336][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.984336][ T3767] [ 7705.986410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7705.986410][ T3767] netdev_get_by_index+0x5e/0x80 [ 7705.986410][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7705.986410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7705.986410][ T3767] ip6_route_add+0x1c/0x140 [ 7705.986410][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7705.986410][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7705.986410][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.986410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.986410][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.986410][ T3767] netlink_unicast+0x449/0x710 [ 7705.986410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.986410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.986410][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.986410][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.986410][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.986410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.986410][ T3767] [ 7705.988697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7705.988697][ T3767] netdev_get_by_index+0x5e/0x80 [ 7705.988697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7705.988697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7705.988697][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7705.988697][ T3767] ipv6_add_addr+0x411/0x2000 [ 7705.988697][ T3767] inet6_addr_add+0x30e/0xa40 [ 7705.988697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.988697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.988697][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.988697][ T3767] netlink_unicast+0x449/0x710 [ 7705.988697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.988697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.988697][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.988697][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.988697][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.988697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.988697][ T3767] [ 7705.990903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7705.990903][ T3767] netdev_get_by_index+0x5e/0x80 [ 7705.990903][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7705.990903][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7705.990903][ T3767] ip6_route_add+0x1c/0x140 [ 7705.990903][ T3767] addrconf_add_mroute+0x129/0x180 [ 7705.990903][ T3767] addrconf_add_dev+0xe2/0x170 [ 7705.990903][ T3767] inet6_addr_add+0x12f/0xa40 [ 7705.990903][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.990903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.990903][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.990903][ T3767] netlink_unicast+0x449/0x710 [ 7705.990903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.990903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.990903][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.990903][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.990903][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.990903][ T3767] [ 7705.993044][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7705.993044][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7705.993044][ T3767] ipv6_find_idev+0x102/0x170 [ 7705.993044][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.993044][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.993044][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.993044][ T3767] netlink_unicast+0x449/0x710 [ 7705.993044][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.993044][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.993044][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.993044][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.993044][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.993044][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.993044][ T3767] [ 7705.994722][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7705.994722][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7705.994722][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7705.994722][ T3767] ipv6_find_idev+0x102/0x170 [ 7705.994722][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.994722][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.994722][ T3767] netlink_rcv_skb+0x130/0x360 [ 7705.994722][ T3767] netlink_unicast+0x449/0x710 [ 7705.994722][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7705.994722][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7705.994722][ T3767] ___sys_sendmsg+0xee/0x170 [ 7705.994722][ T3767] __sys_sendmsg+0xcd/0x170 [ 7705.994722][ T3767] do_syscall_64+0xc6/0x1e0 [ 7705.994722][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.994722][ T3767] [ 7716.039962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7716.040454][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7716.040454][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7716.040454][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7716.040454][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7716.040454][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7716.040454][ T3767] ip6_route_add+0x1c/0x140 [ 7716.040454][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7716.040454][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.040454][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.040454][ T3767] netlink_unicast+0x449/0x710 [ 7716.040454][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.040454][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.040454][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.040454][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.040454][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.040454][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.040454][ T3767] [ 7716.042533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7716.042533][ T3767] netdev_get_by_index+0x5e/0x80 [ 7716.042533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7716.042533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7716.042533][ T3767] ip6_route_add+0x1c/0x140 [ 7716.042533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7716.042533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7716.042533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.042533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.042533][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.042533][ T3767] netlink_unicast+0x449/0x710 [ 7716.042533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.042533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.042533][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.042533][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.042533][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.042533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.042533][ T3767] [ 7716.044748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7716.044748][ T3767] netdev_get_by_index+0x5e/0x80 [ 7716.044748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7716.044748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7716.044748][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7716.044748][ T3767] ipv6_add_addr+0x411/0x2000 [ 7716.044748][ T3767] inet6_addr_add+0x30e/0xa40 [ 7716.044748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.044748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.044748][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.044748][ T3767] netlink_unicast+0x449/0x710 [ 7716.044748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.044748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.044748][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.044748][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.044748][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.044748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.044748][ T3767] [ 7716.046930][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7716.046930][ T3767] netdev_get_by_index+0x5e/0x80 [ 7716.046930][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7716.046930][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7716.046930][ T3767] ip6_route_add+0x1c/0x140 [ 7716.046930][ T3767] addrconf_add_mroute+0x129/0x180 [ 7716.046930][ T3767] addrconf_add_dev+0xe2/0x170 [ 7716.046930][ T3767] inet6_addr_add+0x12f/0xa40 [ 7716.046930][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.046930][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.046930][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.046930][ T3767] netlink_unicast+0x449/0x710 [ 7716.046930][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.046930][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.046930][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.046930][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.046930][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.046930][ T3767] [ 7716.049096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7716.049096][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7716.049096][ T3767] ipv6_find_idev+0x102/0x170 [ 7716.049096][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7716.049096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.049096][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.049096][ T3767] netlink_unicast+0x449/0x710 [ 7716.049096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.049096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.049096][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.049096][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.049096][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.049096][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.049096][ T3767] [ 7716.050777][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7716.050777][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7716.050777][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7716.050777][ T3767] ipv6_find_idev+0x102/0x170 [ 7716.050777][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7716.050777][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.050777][ T3767] netlink_rcv_skb+0x130/0x360 [ 7716.050777][ T3767] netlink_unicast+0x449/0x710 [ 7716.050777][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7716.050777][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7716.050777][ T3767] ___sys_sendmsg+0xee/0x170 [ 7716.050777][ T3767] __sys_sendmsg+0xcd/0x170 [ 7716.050777][ T3767] do_syscall_64+0xc6/0x1e0 [ 7716.050777][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.050777][ T3767] [ 7726.287944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7726.288456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7726.288456][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7726.288456][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7726.288456][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7726.288456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7726.288456][ T3767] ip6_route_add+0x1c/0x140 [ 7726.288456][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7726.288456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.288456][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.288456][ T3767] netlink_unicast+0x449/0x710 [ 7726.288456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.288456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.288456][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.288456][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.288456][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.288456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.288456][ T3767] [ 7726.290535][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7726.290535][ T3767] netdev_get_by_index+0x5e/0x80 [ 7726.290535][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7726.290535][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7726.290535][ T3767] ip6_route_add+0x1c/0x140 [ 7726.290535][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7726.290535][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7726.290535][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.290535][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.290535][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.290535][ T3767] netlink_unicast+0x449/0x710 [ 7726.290535][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.290535][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.290535][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.290535][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.290535][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.290535][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.290535][ T3767] [ 7726.292719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7726.292719][ T3767] netdev_get_by_index+0x5e/0x80 [ 7726.292719][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7726.292719][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7726.292719][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7726.292719][ T3767] ipv6_add_addr+0x411/0x2000 [ 7726.292719][ T3767] inet6_addr_add+0x30e/0xa40 [ 7726.292719][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.292719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.292719][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.292719][ T3767] netlink_unicast+0x449/0x710 [ 7726.292719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.292719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.292719][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.292719][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.292719][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.292719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.292719][ T3767] [ 7726.294920][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7726.294920][ T3767] netdev_get_by_index+0x5e/0x80 [ 7726.294920][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7726.294920][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7726.294920][ T3767] ip6_route_add+0x1c/0x140 [ 7726.294920][ T3767] addrconf_add_mroute+0x129/0x180 [ 7726.294920][ T3767] addrconf_add_dev+0xe2/0x170 [ 7726.294920][ T3767] inet6_addr_add+0x12f/0xa40 [ 7726.294920][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.294920][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.294920][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.294920][ T3767] netlink_unicast+0x449/0x710 [ 7726.294920][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.294920][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.294920][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.294920][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.294920][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.294920][ T3767] [ 7726.297073][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7726.297073][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7726.297073][ T3767] ipv6_find_idev+0x102/0x170 [ 7726.297073][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.297073][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.297073][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.297073][ T3767] netlink_unicast+0x449/0x710 [ 7726.297073][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.297073][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.297073][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.297073][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.297073][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.297073][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.297073][ T3767] [ 7726.298759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7726.298759][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7726.298759][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7726.298759][ T3767] ipv6_find_idev+0x102/0x170 [ 7726.298759][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.298759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.298759][ T3767] netlink_rcv_skb+0x130/0x360 [ 7726.298759][ T3767] netlink_unicast+0x449/0x710 [ 7726.298759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7726.298759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7726.298759][ T3767] ___sys_sendmsg+0xee/0x170 [ 7726.298759][ T3767] __sys_sendmsg+0xcd/0x170 [ 7726.298759][ T3767] do_syscall_64+0xc6/0x1e0 [ 7726.298759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.298759][ T3767] [ 7736.535946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7736.536414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7736.536414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7736.536414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7736.536414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7736.536414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7736.536414][ T3767] ip6_route_add+0x1c/0x140 [ 7736.536414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7736.536414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.536414][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.536414][ T3767] netlink_unicast+0x449/0x710 [ 7736.536414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.536414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.536414][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.536414][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.536414][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.536414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.536414][ T3767] [ 7736.538495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7736.538495][ T3767] netdev_get_by_index+0x5e/0x80 [ 7736.538495][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7736.538495][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7736.538495][ T3767] ip6_route_add+0x1c/0x140 [ 7736.538495][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7736.538495][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7736.538495][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.538495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.538495][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.538495][ T3767] netlink_unicast+0x449/0x710 [ 7736.538495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.538495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.538495][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.538495][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.538495][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.538495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.538495][ T3767] [ 7736.540701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7736.540701][ T3767] netdev_get_by_index+0x5e/0x80 [ 7736.540701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7736.540701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7736.540701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7736.540701][ T3767] ipv6_add_addr+0x411/0x2000 [ 7736.540701][ T3767] inet6_addr_add+0x30e/0xa40 [ 7736.540701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.540701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.540701][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.540701][ T3767] netlink_unicast+0x449/0x710 [ 7736.540701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.540701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.540701][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.540701][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.540701][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.540701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.540701][ T3767] [ 7736.542904][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7736.542904][ T3767] netdev_get_by_index+0x5e/0x80 [ 7736.542904][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7736.542904][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7736.542904][ T3767] ip6_route_add+0x1c/0x140 [ 7736.542904][ T3767] addrconf_add_mroute+0x129/0x180 [ 7736.542904][ T3767] addrconf_add_dev+0xe2/0x170 [ 7736.542904][ T3767] inet6_addr_add+0x12f/0xa40 [ 7736.542904][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.542904][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.542904][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.542904][ T3767] netlink_unicast+0x449/0x710 [ 7736.542904][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.542904][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.542904][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.542904][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.542904][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.542904][ T3767] [ 7736.545057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7736.545057][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7736.545057][ T3767] ipv6_find_idev+0x102/0x170 [ 7736.545057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.545057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.545057][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.545057][ T3767] netlink_unicast+0x449/0x710 [ 7736.545057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.545057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.545057][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.545057][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.545057][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.545057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.545057][ T3767] [ 7736.546742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7736.546742][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7736.546742][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7736.546742][ T3767] ipv6_find_idev+0x102/0x170 [ 7736.546742][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.546742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.546742][ T3767] netlink_rcv_skb+0x130/0x360 [ 7736.546742][ T3767] netlink_unicast+0x449/0x710 [ 7736.546742][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7736.546742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7736.546742][ T3767] ___sys_sendmsg+0xee/0x170 [ 7736.546742][ T3767] __sys_sendmsg+0xcd/0x170 [ 7736.546742][ T3767] do_syscall_64+0xc6/0x1e0 [ 7736.546742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.546742][ T3767] [ 7746.783929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7746.784391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7746.784391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7746.784391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7746.784391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7746.784391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7746.784391][ T3767] ip6_route_add+0x1c/0x140 [ 7746.784391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7746.784391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.784391][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.784391][ T3767] netlink_unicast+0x449/0x710 [ 7746.784391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.784391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.784391][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.784391][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.784391][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.784391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.784391][ T3767] [ 7746.786497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7746.786497][ T3767] netdev_get_by_index+0x5e/0x80 [ 7746.786497][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7746.786497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7746.786497][ T3767] ip6_route_add+0x1c/0x140 [ 7746.786497][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7746.786497][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7746.786497][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.786497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.786497][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.786497][ T3767] netlink_unicast+0x449/0x710 [ 7746.786497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.786497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.786497][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.786497][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.786497][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.786497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.786497][ T3767] [ 7746.788692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7746.788692][ T3767] netdev_get_by_index+0x5e/0x80 [ 7746.788692][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7746.788692][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7746.788692][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7746.788692][ T3767] ipv6_add_addr+0x411/0x2000 [ 7746.788692][ T3767] inet6_addr_add+0x30e/0xa40 [ 7746.788692][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.788692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.788692][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.788692][ T3767] netlink_unicast+0x449/0x710 [ 7746.788692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.788692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.788692][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.788692][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.788692][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.788692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.788692][ T3767] [ 7746.790907][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7746.790907][ T3767] netdev_get_by_index+0x5e/0x80 [ 7746.790907][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7746.790907][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7746.790907][ T3767] ip6_route_add+0x1c/0x140 [ 7746.790907][ T3767] addrconf_add_mroute+0x129/0x180 [ 7746.790907][ T3767] addrconf_add_dev+0xe2/0x170 [ 7746.790907][ T3767] inet6_addr_add+0x12f/0xa40 [ 7746.790907][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.790907][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.790907][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.790907][ T3767] netlink_unicast+0x449/0x710 [ 7746.790907][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.790907][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.790907][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.790907][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.790907][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.790907][ T3767] [ 7746.793072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7746.793072][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7746.793072][ T3767] ipv6_find_idev+0x102/0x170 [ 7746.793072][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.793072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.793072][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.793072][ T3767] netlink_unicast+0x449/0x710 [ 7746.793072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.793072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.793072][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.793072][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.793072][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.793072][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.793072][ T3767] [ 7746.794766][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7746.794766][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7746.794766][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7746.794766][ T3767] ipv6_find_idev+0x102/0x170 [ 7746.794766][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.794766][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.794766][ T3767] netlink_rcv_skb+0x130/0x360 [ 7746.794766][ T3767] netlink_unicast+0x449/0x710 [ 7746.794766][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7746.794766][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7746.794766][ T3767] ___sys_sendmsg+0xee/0x170 [ 7746.794766][ T3767] __sys_sendmsg+0xcd/0x170 [ 7746.794766][ T3767] do_syscall_64+0xc6/0x1e0 [ 7746.794766][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.794766][ T3767] [ 7757.031935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7757.032402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7757.032402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7757.032402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7757.032402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7757.032402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7757.032402][ T3767] ip6_route_add+0x1c/0x140 [ 7757.032402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7757.032402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.032402][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.032402][ T3767] netlink_unicast+0x449/0x710 [ 7757.032402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.032402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.032402][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.032402][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.032402][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.032402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.032402][ T3767] [ 7757.034498][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7757.034498][ T3767] netdev_get_by_index+0x5e/0x80 [ 7757.034498][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7757.034498][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7757.034498][ T3767] ip6_route_add+0x1c/0x140 [ 7757.034498][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7757.034498][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7757.034498][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7757.034498][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.034498][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.034498][ T3767] netlink_unicast+0x449/0x710 [ 7757.034498][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.034498][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.034498][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.034498][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.034498][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.034498][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.034498][ T3767] [ 7757.036694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7757.036694][ T3767] netdev_get_by_index+0x5e/0x80 [ 7757.036694][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7757.036694][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7757.036694][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7757.036694][ T3767] ipv6_add_addr+0x411/0x2000 [ 7757.036694][ T3767] inet6_addr_add+0x30e/0xa40 [ 7757.036694][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7757.036694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.036694][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.036694][ T3767] netlink_unicast+0x449/0x710 [ 7757.036694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.036694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.036694][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.036694][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.036694][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.036694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.036694][ T3767] [ 7757.038896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7757.038896][ T3767] netdev_get_by_index+0x5e/0x80 [ 7757.038896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7757.038896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7757.038896][ T3767] ip6_route_add+0x1c/0x140 [ 7757.038896][ T3767] addrconf_add_mroute+0x129/0x180 [ 7757.038896][ T3767] addrconf_add_dev+0xe2/0x170 [ 7757.038896][ T3767] inet6_addr_add+0x12f/0xa40 [ 7757.038896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7757.038896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.038896][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.038896][ T3767] netlink_unicast+0x449/0x710 [ 7757.038896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.038896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.038896][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.038896][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.038896][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.038896][ T3767] [ 7757.041064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7757.041064][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7757.041064][ T3767] ipv6_find_idev+0x102/0x170 [ 7757.041064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7757.041064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.041064][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.041064][ T3767] netlink_unicast+0x449/0x710 [ 7757.041064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.041064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.041064][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.041064][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.041064][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.041064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.041064][ T3767] [ 7757.042745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7757.042745][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7757.042745][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7757.042745][ T3767] ipv6_find_idev+0x102/0x170 [ 7757.042745][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7757.042745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.042745][ T3767] netlink_rcv_skb+0x130/0x360 [ 7757.042745][ T3767] netlink_unicast+0x449/0x710 [ 7757.042745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7757.042745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7757.042745][ T3767] ___sys_sendmsg+0xee/0x170 [ 7757.042745][ T3767] __sys_sendmsg+0xcd/0x170 [ 7757.042745][ T3767] do_syscall_64+0xc6/0x1e0 [ 7757.042745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.042745][ T3767] [ 7767.079960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7767.080433][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7767.080433][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7767.080433][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7767.080433][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7767.080433][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7767.080433][ T3767] ip6_route_add+0x1c/0x140 [ 7767.080433][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7767.080433][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.080433][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.080433][ T3767] netlink_unicast+0x449/0x710 [ 7767.080433][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.080433][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.080433][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.080433][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.080433][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.080433][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.080433][ T3767] [ 7767.082525][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7767.082525][ T3767] netdev_get_by_index+0x5e/0x80 [ 7767.082525][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7767.082525][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7767.082525][ T3767] ip6_route_add+0x1c/0x140 [ 7767.082525][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7767.082525][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7767.082525][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.082525][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.082525][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.082525][ T3767] netlink_unicast+0x449/0x710 [ 7767.082525][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.082525][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.082525][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.082525][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.082525][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.082525][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.082525][ T3767] [ 7767.084715][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7767.084715][ T3767] netdev_get_by_index+0x5e/0x80 [ 7767.084715][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7767.084715][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7767.084715][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7767.084715][ T3767] ipv6_add_addr+0x411/0x2000 [ 7767.084715][ T3767] inet6_addr_add+0x30e/0xa40 [ 7767.084715][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.084715][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.084715][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.084715][ T3767] netlink_unicast+0x449/0x710 [ 7767.084715][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.084715][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.084715][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.084715][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.084715][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.084715][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.084715][ T3767] [ 7767.086899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7767.086899][ T3767] netdev_get_by_index+0x5e/0x80 [ 7767.086899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7767.086899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7767.086899][ T3767] ip6_route_add+0x1c/0x140 [ 7767.086899][ T3767] addrconf_add_mroute+0x129/0x180 [ 7767.086899][ T3767] addrconf_add_dev+0xe2/0x170 [ 7767.086899][ T3767] inet6_addr_add+0x12f/0xa40 [ 7767.086899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.086899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.086899][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.086899][ T3767] netlink_unicast+0x449/0x710 [ 7767.086899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.086899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.086899][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.086899][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.086899][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.086899][ T3767] [ 7767.089057][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7767.089057][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7767.089057][ T3767] ipv6_find_idev+0x102/0x170 [ 7767.089057][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.089057][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.089057][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.089057][ T3767] netlink_unicast+0x449/0x710 [ 7767.089057][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.089057][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.089057][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.089057][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.089057][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.089057][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.089057][ T3767] [ 7767.090761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7767.090761][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7767.090761][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7767.090761][ T3767] ipv6_find_idev+0x102/0x170 [ 7767.090761][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.090761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.090761][ T3767] netlink_rcv_skb+0x130/0x360 [ 7767.090761][ T3767] netlink_unicast+0x449/0x710 [ 7767.090761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7767.090761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7767.090761][ T3767] ___sys_sendmsg+0xee/0x170 [ 7767.090761][ T3767] __sys_sendmsg+0xcd/0x170 [ 7767.090761][ T3767] do_syscall_64+0xc6/0x1e0 [ 7767.090761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.090761][ T3767] [ 7777.343942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7777.344405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7777.344405][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7777.344405][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7777.344405][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7777.344405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7777.344405][ T3767] ip6_route_add+0x1c/0x140 [ 7777.344405][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7777.344405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.344405][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.344405][ T3767] netlink_unicast+0x449/0x710 [ 7777.344405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.344405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.344405][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.344405][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.344405][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.344405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.344405][ T3767] [ 7777.346511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7777.346511][ T3767] netdev_get_by_index+0x5e/0x80 [ 7777.346511][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7777.346511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7777.346511][ T3767] ip6_route_add+0x1c/0x140 [ 7777.346511][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7777.346511][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7777.346511][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.346511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.346511][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.346511][ T3767] netlink_unicast+0x449/0x710 [ 7777.346511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.346511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.346511][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.346511][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.346511][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.346511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.346511][ T3767] [ 7777.348695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7777.348695][ T3767] netdev_get_by_index+0x5e/0x80 [ 7777.348695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7777.348695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7777.348695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7777.348695][ T3767] ipv6_add_addr+0x411/0x2000 [ 7777.348695][ T3767] inet6_addr_add+0x30e/0xa40 [ 7777.348695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.348695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.348695][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.348695][ T3767] netlink_unicast+0x449/0x710 [ 7777.348695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.348695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.348695][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.348695][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.348695][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.348695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.348695][ T3767] [ 7777.350892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7777.350892][ T3767] netdev_get_by_index+0x5e/0x80 [ 7777.350892][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7777.350892][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7777.350892][ T3767] ip6_route_add+0x1c/0x140 [ 7777.350892][ T3767] addrconf_add_mroute+0x129/0x180 [ 7777.350892][ T3767] addrconf_add_dev+0xe2/0x170 [ 7777.350892][ T3767] inet6_addr_add+0x12f/0xa40 [ 7777.350892][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.350892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.350892][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.350892][ T3767] netlink_unicast+0x449/0x710 [ 7777.350892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.350892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.350892][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.350892][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.350892][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.350892][ T3767] [ 7777.353032][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7777.353032][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7777.353032][ T3767] ipv6_find_idev+0x102/0x170 [ 7777.353032][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.353032][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.353032][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.353032][ T3767] netlink_unicast+0x449/0x710 [ 7777.353032][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.353032][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.353032][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.353032][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.353032][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.353032][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.353032][ T3767] [ 7777.354713][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7777.354713][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7777.354713][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7777.354713][ T3767] ipv6_find_idev+0x102/0x170 [ 7777.354713][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.354713][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.354713][ T3767] netlink_rcv_skb+0x130/0x360 [ 7777.354713][ T3767] netlink_unicast+0x449/0x710 [ 7777.354713][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7777.354713][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7777.354713][ T3767] ___sys_sendmsg+0xee/0x170 [ 7777.354713][ T3767] __sys_sendmsg+0xcd/0x170 [ 7777.354713][ T3767] do_syscall_64+0xc6/0x1e0 [ 7777.354713][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.354713][ T3767] [ 7787.599925][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7787.600354][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7787.600354][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7787.600354][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7787.600354][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7787.600354][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7787.600354][ T3767] ip6_route_add+0x1c/0x140 [ 7787.600354][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7787.600354][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.600354][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.600354][ T3767] netlink_unicast+0x449/0x710 [ 7787.600354][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.600354][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.600354][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.600354][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.600354][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.600354][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.600354][ T3767] [ 7787.602427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7787.602427][ T3767] netdev_get_by_index+0x5e/0x80 [ 7787.602427][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7787.602427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7787.602427][ T3767] ip6_route_add+0x1c/0x140 [ 7787.602427][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7787.602427][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7787.602427][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.602427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.602427][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.602427][ T3767] netlink_unicast+0x449/0x710 [ 7787.602427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.602427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.602427][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.602427][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.602427][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.602427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.602427][ T3767] [ 7787.604614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7787.604614][ T3767] netdev_get_by_index+0x5e/0x80 [ 7787.604614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7787.604614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7787.604614][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7787.604614][ T3767] ipv6_add_addr+0x411/0x2000 [ 7787.604614][ T3767] inet6_addr_add+0x30e/0xa40 [ 7787.604614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.604614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.604614][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.604614][ T3767] netlink_unicast+0x449/0x710 [ 7787.604614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.604614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.604614][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.604614][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.604614][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.604614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.604614][ T3767] [ 7787.606830][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7787.606830][ T3767] netdev_get_by_index+0x5e/0x80 [ 7787.606830][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7787.606830][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7787.606830][ T3767] ip6_route_add+0x1c/0x140 [ 7787.606830][ T3767] addrconf_add_mroute+0x129/0x180 [ 7787.606830][ T3767] addrconf_add_dev+0xe2/0x170 [ 7787.606830][ T3767] inet6_addr_add+0x12f/0xa40 [ 7787.606830][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.606830][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.606830][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.606830][ T3767] netlink_unicast+0x449/0x710 [ 7787.606830][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.606830][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.606830][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.606830][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.606830][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.606830][ T3767] [ 7787.608983][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7787.608983][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7787.608983][ T3767] ipv6_find_idev+0x102/0x170 [ 7787.608983][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.608983][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.608983][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.608983][ T3767] netlink_unicast+0x449/0x710 [ 7787.608983][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.608983][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.608983][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.608983][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.608983][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.608983][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.608983][ T3767] [ 7787.610684][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7787.610684][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7787.610684][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7787.610684][ T3767] ipv6_find_idev+0x102/0x170 [ 7787.610684][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.610684][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.610684][ T3767] netlink_rcv_skb+0x130/0x360 [ 7787.610684][ T3767] netlink_unicast+0x449/0x710 [ 7787.610684][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7787.610684][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7787.610684][ T3767] ___sys_sendmsg+0xee/0x170 [ 7787.610684][ T3767] __sys_sendmsg+0xcd/0x170 [ 7787.610684][ T3767] do_syscall_64+0xc6/0x1e0 [ 7787.610684][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.610684][ T3767] [ 7797.855882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7797.856337][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7797.856337][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7797.856337][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7797.856337][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7797.856337][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7797.856337][ T3767] ip6_route_add+0x1c/0x140 [ 7797.856337][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7797.856337][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.856337][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.856337][ T3767] netlink_unicast+0x449/0x710 [ 7797.856337][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.856337][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.856337][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.856337][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.856337][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.856337][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.856337][ T3767] [ 7797.858421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7797.858421][ T3767] netdev_get_by_index+0x5e/0x80 [ 7797.858421][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7797.858421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7797.858421][ T3767] ip6_route_add+0x1c/0x140 [ 7797.858421][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7797.858421][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7797.858421][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.858421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.858421][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.858421][ T3767] netlink_unicast+0x449/0x710 [ 7797.858421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.858421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.858421][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.858421][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.858421][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.858421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.858421][ T3767] [ 7797.860796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7797.860796][ T3767] netdev_get_by_index+0x5e/0x80 [ 7797.860796][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7797.860796][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7797.860796][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7797.860796][ T3767] ipv6_add_addr+0x411/0x2000 [ 7797.860796][ T3767] inet6_addr_add+0x30e/0xa40 [ 7797.860796][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.860796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.860796][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.860796][ T3767] netlink_unicast+0x449/0x710 [ 7797.860796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.860796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.860796][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.860796][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.860796][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.860796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.860796][ T3767] [ 7797.862993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7797.862993][ T3767] netdev_get_by_index+0x5e/0x80 [ 7797.862993][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7797.862993][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7797.862993][ T3767] ip6_route_add+0x1c/0x140 [ 7797.862993][ T3767] addrconf_add_mroute+0x129/0x180 [ 7797.862993][ T3767] addrconf_add_dev+0xe2/0x170 [ 7797.862993][ T3767] inet6_addr_add+0x12f/0xa40 [ 7797.862993][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.862993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.862993][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.862993][ T3767] netlink_unicast+0x449/0x710 [ 7797.862993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.862993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.862993][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.862993][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.862993][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.862993][ T3767] [ 7797.865156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7797.865156][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7797.865156][ T3767] ipv6_find_idev+0x102/0x170 [ 7797.865156][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.865156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.865156][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.865156][ T3767] netlink_unicast+0x449/0x710 [ 7797.865156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.865156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.865156][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.865156][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.865156][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.865156][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.865156][ T3767] [ 7797.866849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7797.866849][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7797.866849][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7797.866849][ T3767] ipv6_find_idev+0x102/0x170 [ 7797.866849][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.866849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.866849][ T3767] netlink_rcv_skb+0x130/0x360 [ 7797.866849][ T3767] netlink_unicast+0x449/0x710 [ 7797.866849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7797.866849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7797.866849][ T3767] ___sys_sendmsg+0xee/0x170 [ 7797.866849][ T3767] __sys_sendmsg+0xcd/0x170 [ 7797.866849][ T3767] do_syscall_64+0xc6/0x1e0 [ 7797.866849][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.866849][ T3767] [ 7808.111962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7808.112461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7808.112461][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7808.112461][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7808.112461][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7808.112461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7808.112461][ T3767] ip6_route_add+0x1c/0x140 [ 7808.112461][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7808.112461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.112461][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.112461][ T3767] netlink_unicast+0x449/0x710 [ 7808.112461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.112461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.112461][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.112461][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.112461][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.112461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7808.112461][ T3767] [ 7808.114562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7808.114562][ T3767] netdev_get_by_index+0x5e/0x80 [ 7808.114562][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7808.114562][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7808.114562][ T3767] ip6_route_add+0x1c/0x140 [ 7808.114562][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7808.114562][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7808.114562][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7808.114562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.114562][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.114562][ T3767] netlink_unicast+0x449/0x710 [ 7808.114562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.114562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.114562][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.114562][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.114562][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.114562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7808.114562][ T3767] [ 7808.116762][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7808.116762][ T3767] netdev_get_by_index+0x5e/0x80 [ 7808.116762][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7808.116762][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7808.116762][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7808.116762][ T3767] ipv6_add_addr+0x411/0x2000 [ 7808.116762][ T3767] inet6_addr_add+0x30e/0xa40 [ 7808.116762][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7808.116762][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.116762][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.116762][ T3767] netlink_unicast+0x449/0x710 [ 7808.116762][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.116762][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.116762][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.116762][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.116762][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.116762][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7808.116762][ T3767] [ 7808.118994][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7808.118994][ T3767] netdev_get_by_index+0x5e/0x80 [ 7808.118994][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7808.118994][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7808.118994][ T3767] ip6_route_add+0x1c/0x140 [ 7808.118994][ T3767] addrconf_add_mroute+0x129/0x180 [ 7808.118994][ T3767] addrconf_add_dev+0xe2/0x170 [ 7808.118994][ T3767] inet6_addr_add+0x12f/0xa40 [ 7808.118994][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7808.118994][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.118994][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.118994][ T3767] netlink_unicast+0x449/0x710 [ 7808.118994][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.118994][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.118994][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.118994][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.118994][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.118994][ T3767] [ 7808.121186][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7808.121186][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7808.121186][ T3767] ipv6_find_idev+0x102/0x170 [ 7808.121186][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7808.121186][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.121186][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.121186][ T3767] netlink_unicast+0x449/0x710 [ 7808.121186][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.121186][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.121186][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.121186][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.121186][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.121186][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7808.121186][ T3767] [ 7808.122883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7808.122883][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7808.122883][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7808.122883][ T3767] ipv6_find_idev+0x102/0x170 [ 7808.122883][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7808.122883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7808.122883][ T3767] netlink_rcv_skb+0x130/0x360 [ 7808.122883][ T3767] netlink_unicast+0x449/0x710 [ 7808.122883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7808.122883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7808.122883][ T3767] ___sys_sendmsg+0xee/0x170 [ 7808.122883][ T3767] __sys_sendmsg+0xcd/0x170 [ 7808.122883][ T3767] do_syscall_64+0xc6/0x1e0 [ 7808.122883][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7808.122883][ T3767] [ 7818.207934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7818.208446][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7818.208446][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7818.208446][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7818.208446][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7818.208446][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7818.208446][ T3767] ip6_route_add+0x1c/0x140 [ 7818.208446][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7818.208446][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.208446][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.208446][ T3767] netlink_unicast+0x449/0x710 [ 7818.208446][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.208446][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.208446][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.208446][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.208446][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.208446][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.208446][ T3767] [ 7818.210545][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7818.210545][ T3767] netdev_get_by_index+0x5e/0x80 [ 7818.210545][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7818.210545][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7818.210545][ T3767] ip6_route_add+0x1c/0x140 [ 7818.210545][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7818.210545][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7818.210545][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.210545][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.210545][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.210545][ T3767] netlink_unicast+0x449/0x710 [ 7818.210545][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.210545][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.210545][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.210545][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.210545][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.210545][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.210545][ T3767] [ 7818.212763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7818.212763][ T3767] netdev_get_by_index+0x5e/0x80 [ 7818.212763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7818.212763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7818.212763][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7818.212763][ T3767] ipv6_add_addr+0x411/0x2000 [ 7818.212763][ T3767] inet6_addr_add+0x30e/0xa40 [ 7818.212763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.212763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.212763][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.212763][ T3767] netlink_unicast+0x449/0x710 [ 7818.212763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.212763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.212763][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.212763][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.212763][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.212763][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.212763][ T3767] [ 7818.214974][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7818.214974][ T3767] netdev_get_by_index+0x5e/0x80 [ 7818.214974][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7818.214974][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7818.214974][ T3767] ip6_route_add+0x1c/0x140 [ 7818.214974][ T3767] addrconf_add_mroute+0x129/0x180 [ 7818.214974][ T3767] addrconf_add_dev+0xe2/0x170 [ 7818.214974][ T3767] inet6_addr_add+0x12f/0xa40 [ 7818.214974][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.214974][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.214974][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.214974][ T3767] netlink_unicast+0x449/0x710 [ 7818.214974][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.214974][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.214974][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.214974][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.214974][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.214974][ T3767] [ 7818.217138][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7818.217138][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7818.217138][ T3767] ipv6_find_idev+0x102/0x170 [ 7818.217138][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.217138][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.217138][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.217138][ T3767] netlink_unicast+0x449/0x710 [ 7818.217138][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.217138][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.217138][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.217138][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.217138][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.217138][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.217138][ T3767] [ 7818.218834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7818.218834][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7818.218834][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7818.218834][ T3767] ipv6_find_idev+0x102/0x170 [ 7818.218834][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.218834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.218834][ T3767] netlink_rcv_skb+0x130/0x360 [ 7818.218834][ T3767] netlink_unicast+0x449/0x710 [ 7818.218834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7818.218834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7818.218834][ T3767] ___sys_sendmsg+0xee/0x170 [ 7818.218834][ T3767] __sys_sendmsg+0xcd/0x170 [ 7818.218834][ T3767] do_syscall_64+0xc6/0x1e0 [ 7818.218834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.218834][ T3767] [ 7828.455959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7828.456377][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7828.456377][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7828.456377][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7828.456377][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7828.456377][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7828.456377][ T3767] ip6_route_add+0x1c/0x140 [ 7828.456377][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7828.456377][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.456377][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.456377][ T3767] netlink_unicast+0x449/0x710 [ 7828.456377][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.456377][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.456377][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.456377][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.456377][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.456377][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.456377][ T3767] [ 7828.458557][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7828.458557][ T3767] netdev_get_by_index+0x5e/0x80 [ 7828.458557][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7828.458557][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7828.458557][ T3767] ip6_route_add+0x1c/0x140 [ 7828.458557][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7828.458557][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7828.458557][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.458557][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.458557][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.458557][ T3767] netlink_unicast+0x449/0x710 [ 7828.458557][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.458557][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.458557][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.458557][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.458557][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.458557][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.458557][ T3767] [ 7828.460765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7828.460765][ T3767] netdev_get_by_index+0x5e/0x80 [ 7828.460765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7828.460765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7828.460765][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7828.460765][ T3767] ipv6_add_addr+0x411/0x2000 [ 7828.460765][ T3767] inet6_addr_add+0x30e/0xa40 [ 7828.460765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.460765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.460765][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.460765][ T3767] netlink_unicast+0x449/0x710 [ 7828.460765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.460765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.460765][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.460765][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.460765][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.460765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.460765][ T3767] [ 7828.462960][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7828.462960][ T3767] netdev_get_by_index+0x5e/0x80 [ 7828.462960][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7828.462960][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7828.462960][ T3767] ip6_route_add+0x1c/0x140 [ 7828.462960][ T3767] addrconf_add_mroute+0x129/0x180 [ 7828.462960][ T3767] addrconf_add_dev+0xe2/0x170 [ 7828.462960][ T3767] inet6_addr_add+0x12f/0xa40 [ 7828.462960][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.462960][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.462960][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.462960][ T3767] netlink_unicast+0x449/0x710 [ 7828.462960][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.462960][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.462960][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.462960][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.462960][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.462960][ T3767] [ 7828.465126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7828.465126][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7828.465126][ T3767] ipv6_find_idev+0x102/0x170 [ 7828.465126][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.465126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.465126][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.465126][ T3767] netlink_unicast+0x449/0x710 [ 7828.465126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.465126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.465126][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.465126][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.465126][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.465126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.465126][ T3767] [ 7828.466816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7828.466816][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7828.466816][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7828.466816][ T3767] ipv6_find_idev+0x102/0x170 [ 7828.466816][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.466816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.466816][ T3767] netlink_rcv_skb+0x130/0x360 [ 7828.466816][ T3767] netlink_unicast+0x449/0x710 [ 7828.466816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7828.466816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7828.466816][ T3767] ___sys_sendmsg+0xee/0x170 [ 7828.466816][ T3767] __sys_sendmsg+0xcd/0x170 [ 7828.466816][ T3767] do_syscall_64+0xc6/0x1e0 [ 7828.466816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.466816][ T3767] [ 7838.703931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7838.704410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7838.704410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7838.704410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7838.704410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7838.704410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7838.704410][ T3767] ip6_route_add+0x1c/0x140 [ 7838.704410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7838.704410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.704410][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.704410][ T3767] netlink_unicast+0x449/0x710 [ 7838.704410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.704410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.704410][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.704410][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.704410][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.704410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.704410][ T3767] [ 7838.706497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7838.706497][ T3767] netdev_get_by_index+0x5e/0x80 [ 7838.706497][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7838.706497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7838.706497][ T3767] ip6_route_add+0x1c/0x140 [ 7838.706497][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7838.706497][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7838.706497][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.706497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.706497][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.706497][ T3767] netlink_unicast+0x449/0x710 [ 7838.706497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.706497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.706497][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.706497][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.706497][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.706497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.706497][ T3767] [ 7838.709543][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7838.709543][ T3767] netdev_get_by_index+0x5e/0x80 [ 7838.709543][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7838.709543][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7838.709543][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7838.709543][ T3767] ipv6_add_addr+0x411/0x2000 [ 7838.709543][ T3767] inet6_addr_add+0x30e/0xa40 [ 7838.709543][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.709543][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.709543][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.709543][ T3767] netlink_unicast+0x449/0x710 [ 7838.709543][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.709543][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.709543][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.709543][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.709543][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.709543][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.709543][ T3767] [ 7838.711757][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7838.711757][ T3767] netdev_get_by_index+0x5e/0x80 [ 7838.711757][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7838.711757][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7838.711757][ T3767] ip6_route_add+0x1c/0x140 [ 7838.711757][ T3767] addrconf_add_mroute+0x129/0x180 [ 7838.711757][ T3767] addrconf_add_dev+0xe2/0x170 [ 7838.711757][ T3767] inet6_addr_add+0x12f/0xa40 [ 7838.711757][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.711757][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.711757][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.711757][ T3767] netlink_unicast+0x449/0x710 [ 7838.711757][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.711757][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.711757][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.711757][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.711757][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.711757][ T3767] [ 7838.713900][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7838.713900][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7838.713900][ T3767] ipv6_find_idev+0x102/0x170 [ 7838.713900][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.713900][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.713900][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.713900][ T3767] netlink_unicast+0x449/0x710 [ 7838.713900][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.713900][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.713900][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.713900][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.713900][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.713900][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.713900][ T3767] [ 7838.715582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7838.715582][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7838.715582][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7838.715582][ T3767] ipv6_find_idev+0x102/0x170 [ 7838.715582][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.715582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.715582][ T3767] netlink_rcv_skb+0x130/0x360 [ 7838.715582][ T3767] netlink_unicast+0x449/0x710 [ 7838.715582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7838.715582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7838.715582][ T3767] ___sys_sendmsg+0xee/0x170 [ 7838.715582][ T3767] __sys_sendmsg+0xcd/0x170 [ 7838.715582][ T3767] do_syscall_64+0xc6/0x1e0 [ 7838.715582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.715582][ T3767] [ 7848.959935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7848.960396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7848.960396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7848.960396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7848.960396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7848.960396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7848.960396][ T3767] ip6_route_add+0x1c/0x140 [ 7848.960396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7848.960396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.960396][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.960396][ T3767] netlink_unicast+0x449/0x710 [ 7848.960396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.960396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.960396][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.960396][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.960396][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.960396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.960396][ T3767] [ 7848.962478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7848.962478][ T3767] netdev_get_by_index+0x5e/0x80 [ 7848.962478][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7848.962478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7848.962478][ T3767] ip6_route_add+0x1c/0x140 [ 7848.962478][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7848.962478][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7848.962478][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.962478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.962478][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.962478][ T3767] netlink_unicast+0x449/0x710 [ 7848.962478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.962478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.962478][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.962478][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.962478][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.962478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.962478][ T3767] [ 7848.964669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7848.964669][ T3767] netdev_get_by_index+0x5e/0x80 [ 7848.964669][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7848.964669][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7848.964669][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7848.964669][ T3767] ipv6_add_addr+0x411/0x2000 [ 7848.964669][ T3767] inet6_addr_add+0x30e/0xa40 [ 7848.964669][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.964669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.964669][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.964669][ T3767] netlink_unicast+0x449/0x710 [ 7848.964669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.964669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.964669][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.964669][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.964669][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.964669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.964669][ T3767] [ 7848.966865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7848.966865][ T3767] netdev_get_by_index+0x5e/0x80 [ 7848.966865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7848.966865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7848.966865][ T3767] ip6_route_add+0x1c/0x140 [ 7848.966865][ T3767] addrconf_add_mroute+0x129/0x180 [ 7848.966865][ T3767] addrconf_add_dev+0xe2/0x170 [ 7848.966865][ T3767] inet6_addr_add+0x12f/0xa40 [ 7848.966865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.966865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.966865][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.966865][ T3767] netlink_unicast+0x449/0x710 [ 7848.966865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.966865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.966865][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.966865][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.966865][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.966865][ T3767] [ 7848.969014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7848.969014][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7848.969014][ T3767] ipv6_find_idev+0x102/0x170 [ 7848.969014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.969014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.969014][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.969014][ T3767] netlink_unicast+0x449/0x710 [ 7848.969014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.969014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.969014][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.969014][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.969014][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.969014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.969014][ T3767] [ 7848.970798][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7848.970798][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7848.970798][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7848.970798][ T3767] ipv6_find_idev+0x102/0x170 [ 7848.970798][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.970798][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.970798][ T3767] netlink_rcv_skb+0x130/0x360 [ 7848.970798][ T3767] netlink_unicast+0x449/0x710 [ 7848.970798][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7848.970798][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7848.970798][ T3767] ___sys_sendmsg+0xee/0x170 [ 7848.970798][ T3767] __sys_sendmsg+0xcd/0x170 [ 7848.970798][ T3767] do_syscall_64+0xc6/0x1e0 [ 7848.970798][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.970798][ T3767] [ 7859.104006][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7859.104484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7859.104484][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7859.104484][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7859.104484][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7859.104484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7859.104484][ T3767] ip6_route_add+0x1c/0x140 [ 7859.104484][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7859.104484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.104484][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.104484][ T3767] netlink_unicast+0x449/0x710 [ 7859.104484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.104484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.104484][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.104484][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.104484][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.104484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.104484][ T3767] [ 7859.106644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7859.106644][ T3767] netdev_get_by_index+0x5e/0x80 [ 7859.106644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7859.106644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7859.106644][ T3767] ip6_route_add+0x1c/0x140 [ 7859.106644][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7859.106644][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7859.106644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.106644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.106644][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.106644][ T3767] netlink_unicast+0x449/0x710 [ 7859.106644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.106644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.106644][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.106644][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.106644][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.106644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.106644][ T3767] [ 7859.108923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7859.108923][ T3767] netdev_get_by_index+0x5e/0x80 [ 7859.108923][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7859.108923][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7859.108923][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7859.108923][ T3767] ipv6_add_addr+0x411/0x2000 [ 7859.108923][ T3767] inet6_addr_add+0x30e/0xa40 [ 7859.108923][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.108923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.108923][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.108923][ T3767] netlink_unicast+0x449/0x710 [ 7859.108923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.108923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.108923][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.108923][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.108923][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.108923][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.108923][ T3767] [ 7859.111581][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7859.111581][ T3767] netdev_get_by_index+0x5e/0x80 [ 7859.111581][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7859.111581][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7859.111581][ T3767] ip6_route_add+0x1c/0x140 [ 7859.111581][ T3767] addrconf_add_mroute+0x129/0x180 [ 7859.111581][ T3767] addrconf_add_dev+0xe2/0x170 [ 7859.111581][ T3767] inet6_addr_add+0x12f/0xa40 [ 7859.111581][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.111581][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.111581][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.111581][ T3767] netlink_unicast+0x449/0x710 [ 7859.111581][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.111581][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.111581][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.111581][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.111581][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.111581][ T3767] [ 7859.113812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7859.113812][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7859.113812][ T3767] ipv6_find_idev+0x102/0x170 [ 7859.113812][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.113812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.113812][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.113812][ T3767] netlink_unicast+0x449/0x710 [ 7859.113812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.113812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.113812][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.113812][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.113812][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.113812][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.113812][ T3767] [ 7859.115559][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7859.115559][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7859.115559][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7859.115559][ T3767] ipv6_find_idev+0x102/0x170 [ 7859.115559][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.115559][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.115559][ T3767] netlink_rcv_skb+0x130/0x360 [ 7859.115559][ T3767] netlink_unicast+0x449/0x710 [ 7859.115559][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7859.115559][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7859.115559][ T3767] ___sys_sendmsg+0xee/0x170 [ 7859.115559][ T3767] __sys_sendmsg+0xcd/0x170 [ 7859.115559][ T3767] do_syscall_64+0xc6/0x1e0 [ 7859.115559][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.115559][ T3767] [ 7869.359889][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7869.360369][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7869.360369][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7869.360369][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7869.360369][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7869.360369][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7869.360369][ T3767] ip6_route_add+0x1c/0x140 [ 7869.360369][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7869.360369][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.360369][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.360369][ T3767] netlink_unicast+0x449/0x710 [ 7869.360369][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.360369][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.360369][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.360369][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.360369][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.360369][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.360369][ T3767] [ 7869.362484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7869.362484][ T3767] netdev_get_by_index+0x5e/0x80 [ 7869.362484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7869.362484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7869.362484][ T3767] ip6_route_add+0x1c/0x140 [ 7869.362484][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7869.362484][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7869.362484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.362484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.362484][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.362484][ T3767] netlink_unicast+0x449/0x710 [ 7869.362484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.362484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.362484][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.362484][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.362484][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.362484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.362484][ T3767] [ 7869.364695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7869.364695][ T3767] netdev_get_by_index+0x5e/0x80 [ 7869.364695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7869.364695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7869.364695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7869.364695][ T3767] ipv6_add_addr+0x411/0x2000 [ 7869.364695][ T3767] inet6_addr_add+0x30e/0xa40 [ 7869.364695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.364695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.364695][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.364695][ T3767] netlink_unicast+0x449/0x710 [ 7869.364695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.364695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.364695][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.364695][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.364695][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.364695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.364695][ T3767] [ 7869.366893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7869.366893][ T3767] netdev_get_by_index+0x5e/0x80 [ 7869.366893][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7869.366893][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7869.366893][ T3767] ip6_route_add+0x1c/0x140 [ 7869.366893][ T3767] addrconf_add_mroute+0x129/0x180 [ 7869.366893][ T3767] addrconf_add_dev+0xe2/0x170 [ 7869.366893][ T3767] inet6_addr_add+0x12f/0xa40 [ 7869.366893][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.366893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.366893][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.366893][ T3767] netlink_unicast+0x449/0x710 [ 7869.366893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.366893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.366893][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.366893][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.366893][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.366893][ T3767] [ 7869.369066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7869.369066][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7869.369066][ T3767] ipv6_find_idev+0x102/0x170 [ 7869.369066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.369066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.369066][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.369066][ T3767] netlink_unicast+0x449/0x710 [ 7869.369066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.369066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.369066][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.369066][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.369066][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.369066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.369066][ T3767] [ 7869.370772][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7869.370772][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7869.370772][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7869.370772][ T3767] ipv6_find_idev+0x102/0x170 [ 7869.370772][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.370772][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.370772][ T3767] netlink_rcv_skb+0x130/0x360 [ 7869.370772][ T3767] netlink_unicast+0x449/0x710 [ 7869.370772][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7869.370772][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7869.370772][ T3767] ___sys_sendmsg+0xee/0x170 [ 7869.370772][ T3767] __sys_sendmsg+0xcd/0x170 [ 7869.370772][ T3767] do_syscall_64+0xc6/0x1e0 [ 7869.370772][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.370772][ T3767] [ 7879.607859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7879.608342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7879.608342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7879.608342][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7879.608342][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7879.608342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7879.608342][ T3767] ip6_route_add+0x1c/0x140 [ 7879.608342][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7879.608342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.608342][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.608342][ T3767] netlink_unicast+0x449/0x710 [ 7879.608342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.608342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.608342][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.608342][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.608342][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.608342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.608342][ T3767] [ 7879.610451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7879.610451][ T3767] netdev_get_by_index+0x5e/0x80 [ 7879.610451][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7879.610451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7879.610451][ T3767] ip6_route_add+0x1c/0x140 [ 7879.610451][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7879.610451][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7879.610451][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.610451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.610451][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.610451][ T3767] netlink_unicast+0x449/0x710 [ 7879.610451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.610451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.610451][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.610451][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.610451][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.610451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.610451][ T3767] [ 7879.612649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7879.612649][ T3767] netdev_get_by_index+0x5e/0x80 [ 7879.612649][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7879.612649][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7879.612649][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7879.612649][ T3767] ipv6_add_addr+0x411/0x2000 [ 7879.612649][ T3767] inet6_addr_add+0x30e/0xa40 [ 7879.612649][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.612649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.612649][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.612649][ T3767] netlink_unicast+0x449/0x710 [ 7879.612649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.612649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.612649][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.612649][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.612649][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.612649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.612649][ T3767] [ 7879.614843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7879.614843][ T3767] netdev_get_by_index+0x5e/0x80 [ 7879.614843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7879.614843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7879.614843][ T3767] ip6_route_add+0x1c/0x140 [ 7879.614843][ T3767] addrconf_add_mroute+0x129/0x180 [ 7879.614843][ T3767] addrconf_add_dev+0xe2/0x170 [ 7879.614843][ T3767] inet6_addr_add+0x12f/0xa40 [ 7879.614843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.614843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.614843][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.614843][ T3767] netlink_unicast+0x449/0x710 [ 7879.614843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.614843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.614843][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.614843][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.614843][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.614843][ T3767] [ 7879.616999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7879.616999][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7879.616999][ T3767] ipv6_find_idev+0x102/0x170 [ 7879.616999][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.616999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.616999][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.616999][ T3767] netlink_unicast+0x449/0x710 [ 7879.616999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.616999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.616999][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.616999][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.616999][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.616999][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.616999][ T3767] [ 7879.618689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7879.618689][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7879.618689][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7879.618689][ T3767] ipv6_find_idev+0x102/0x170 [ 7879.618689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.618689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.618689][ T3767] netlink_rcv_skb+0x130/0x360 [ 7879.618689][ T3767] netlink_unicast+0x449/0x710 [ 7879.618689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7879.618689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7879.618689][ T3767] ___sys_sendmsg+0xee/0x170 [ 7879.618689][ T3767] __sys_sendmsg+0xcd/0x170 [ 7879.618689][ T3767] do_syscall_64+0xc6/0x1e0 [ 7879.618689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.618689][ T3767] [ 7889.855870][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7889.856352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7889.856352][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7889.856352][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7889.856352][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7889.856352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7889.856352][ T3767] ip6_route_add+0x1c/0x140 [ 7889.856352][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7889.856352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.856352][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.856352][ T3767] netlink_unicast+0x449/0x710 [ 7889.856352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.856352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.856352][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.856352][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.856352][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.856352][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.856352][ T3767] [ 7889.858434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7889.858434][ T3767] netdev_get_by_index+0x5e/0x80 [ 7889.858434][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7889.858434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7889.858434][ T3767] ip6_route_add+0x1c/0x140 [ 7889.858434][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7889.858434][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7889.858434][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.858434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.858434][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.858434][ T3767] netlink_unicast+0x449/0x710 [ 7889.858434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.858434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.858434][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.858434][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.858434][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.858434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.858434][ T3767] [ 7889.860654][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7889.860654][ T3767] netdev_get_by_index+0x5e/0x80 [ 7889.860654][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7889.860654][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7889.860654][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7889.860654][ T3767] ipv6_add_addr+0x411/0x2000 [ 7889.860654][ T3767] inet6_addr_add+0x30e/0xa40 [ 7889.860654][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.860654][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.860654][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.860654][ T3767] netlink_unicast+0x449/0x710 [ 7889.860654][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.860654][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.860654][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.860654][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.860654][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.860654][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.860654][ T3767] [ 7889.862847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7889.862847][ T3767] netdev_get_by_index+0x5e/0x80 [ 7889.862847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7889.862847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7889.862847][ T3767] ip6_route_add+0x1c/0x140 [ 7889.862847][ T3767] addrconf_add_mroute+0x129/0x180 [ 7889.862847][ T3767] addrconf_add_dev+0xe2/0x170 [ 7889.862847][ T3767] inet6_addr_add+0x12f/0xa40 [ 7889.862847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.862847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.862847][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.862847][ T3767] netlink_unicast+0x449/0x710 [ 7889.862847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.862847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.862847][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.862847][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.862847][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.862847][ T3767] [ 7889.865015][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7889.865015][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7889.865015][ T3767] ipv6_find_idev+0x102/0x170 [ 7889.865015][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7889.865015][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.865015][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.865015][ T3767] netlink_unicast+0x449/0x710 [ 7889.865015][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.865015][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.865015][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.865015][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.865015][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.865015][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.865015][ T3767] [ 7889.866709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7889.866709][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7889.866709][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7889.866709][ T3767] ipv6_find_idev+0x102/0x170 [ 7889.866709][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7889.866709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.866709][ T3767] netlink_rcv_skb+0x130/0x360 [ 7889.866709][ T3767] netlink_unicast+0x449/0x710 [ 7889.866709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7889.866709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7889.866709][ T3767] ___sys_sendmsg+0xee/0x170 [ 7889.866709][ T3767] __sys_sendmsg+0xcd/0x170 [ 7889.866709][ T3767] do_syscall_64+0xc6/0x1e0 [ 7889.866709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.866709][ T3767] [ 7899.959876][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7899.960332][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7899.960332][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7899.960332][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7899.960332][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7899.960332][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7899.960332][ T3767] ip6_route_add+0x1c/0x140 [ 7899.960332][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7899.960332][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.960332][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.960332][ T3767] netlink_unicast+0x449/0x710 [ 7899.960332][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.960332][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.960332][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.960332][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.960332][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.960332][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.960332][ T3767] [ 7899.962505][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7899.962505][ T3767] netdev_get_by_index+0x5e/0x80 [ 7899.962505][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7899.962505][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7899.962505][ T3767] ip6_route_add+0x1c/0x140 [ 7899.962505][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7899.962505][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7899.962505][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.962505][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.962505][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.962505][ T3767] netlink_unicast+0x449/0x710 [ 7899.962505][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.962505][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.962505][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.962505][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.962505][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.962505][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.962505][ T3767] [ 7899.964748][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7899.964748][ T3767] netdev_get_by_index+0x5e/0x80 [ 7899.964748][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7899.964748][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7899.964748][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7899.964748][ T3767] ipv6_add_addr+0x411/0x2000 [ 7899.964748][ T3767] inet6_addr_add+0x30e/0xa40 [ 7899.964748][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.964748][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.964748][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.964748][ T3767] netlink_unicast+0x449/0x710 [ 7899.964748][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.964748][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.964748][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.964748][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.964748][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.964748][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.964748][ T3767] [ 7899.966997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7899.966997][ T3767] netdev_get_by_index+0x5e/0x80 [ 7899.966997][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7899.966997][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7899.966997][ T3767] ip6_route_add+0x1c/0x140 [ 7899.966997][ T3767] addrconf_add_mroute+0x129/0x180 [ 7899.966997][ T3767] addrconf_add_dev+0xe2/0x170 [ 7899.966997][ T3767] inet6_addr_add+0x12f/0xa40 [ 7899.966997][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.966997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.966997][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.966997][ T3767] netlink_unicast+0x449/0x710 [ 7899.966997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.966997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.966997][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.966997][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.966997][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.966997][ T3767] [ 7899.969161][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7899.969161][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7899.969161][ T3767] ipv6_find_idev+0x102/0x170 [ 7899.969161][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7899.969161][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.969161][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.969161][ T3767] netlink_unicast+0x449/0x710 [ 7899.969161][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.969161][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.969161][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.969161][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.969161][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.969161][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.969161][ T3767] [ 7899.971375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7899.971375][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7899.971375][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7899.971375][ T3767] ipv6_find_idev+0x102/0x170 [ 7899.971375][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7899.971375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.971375][ T3767] netlink_rcv_skb+0x130/0x360 [ 7899.971375][ T3767] netlink_unicast+0x449/0x710 [ 7899.971375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7899.971375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7899.971375][ T3767] ___sys_sendmsg+0xee/0x170 [ 7899.971375][ T3767] __sys_sendmsg+0xcd/0x170 [ 7899.971375][ T3767] do_syscall_64+0xc6/0x1e0 [ 7899.971375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.971375][ T3767] [ 7910.223941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7910.224364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7910.224364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7910.224364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7910.224364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7910.224364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7910.224364][ T3767] ip6_route_add+0x1c/0x140 [ 7910.224364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7910.224364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.224364][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.224364][ T3767] netlink_unicast+0x449/0x710 [ 7910.224364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.224364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.224364][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.224364][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.224364][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.224364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.224364][ T3767] [ 7910.226440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7910.226440][ T3767] netdev_get_by_index+0x5e/0x80 [ 7910.226440][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7910.226440][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7910.226440][ T3767] ip6_route_add+0x1c/0x140 [ 7910.226440][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7910.226440][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7910.226440][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.226440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.226440][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.226440][ T3767] netlink_unicast+0x449/0x710 [ 7910.226440][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.226440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.226440][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.226440][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.226440][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.226440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.226440][ T3767] [ 7910.228647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7910.228647][ T3767] netdev_get_by_index+0x5e/0x80 [ 7910.228647][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7910.228647][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7910.228647][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7910.228647][ T3767] ipv6_add_addr+0x411/0x2000 [ 7910.228647][ T3767] inet6_addr_add+0x30e/0xa40 [ 7910.228647][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.228647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.228647][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.228647][ T3767] netlink_unicast+0x449/0x710 [ 7910.228647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.228647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.228647][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.228647][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.228647][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.228647][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.228647][ T3767] [ 7910.230849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7910.230849][ T3767] netdev_get_by_index+0x5e/0x80 [ 7910.230849][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7910.230849][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7910.230849][ T3767] ip6_route_add+0x1c/0x140 [ 7910.230849][ T3767] addrconf_add_mroute+0x129/0x180 [ 7910.230849][ T3767] addrconf_add_dev+0xe2/0x170 [ 7910.230849][ T3767] inet6_addr_add+0x12f/0xa40 [ 7910.230849][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.230849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.230849][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.230849][ T3767] netlink_unicast+0x449/0x710 [ 7910.230849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.230849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.230849][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.230849][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.230849][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.230849][ T3767] [ 7910.233011][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7910.233011][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7910.233011][ T3767] ipv6_find_idev+0x102/0x170 [ 7910.233011][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.233011][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.233011][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.233011][ T3767] netlink_unicast+0x449/0x710 [ 7910.233011][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.233011][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.233011][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.233011][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.233011][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.233011][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.233011][ T3767] [ 7910.234705][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7910.234705][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7910.234705][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7910.234705][ T3767] ipv6_find_idev+0x102/0x170 [ 7910.234705][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.234705][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.234705][ T3767] netlink_rcv_skb+0x130/0x360 [ 7910.234705][ T3767] netlink_unicast+0x449/0x710 [ 7910.234705][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7910.234705][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7910.234705][ T3767] ___sys_sendmsg+0xee/0x170 [ 7910.234705][ T3767] __sys_sendmsg+0xcd/0x170 [ 7910.234705][ T3767] do_syscall_64+0xc6/0x1e0 [ 7910.234705][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.234705][ T3767] [ 7920.399943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7920.400358][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7920.400358][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7920.400358][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7920.400358][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7920.400358][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7920.400358][ T3767] ip6_route_add+0x1c/0x140 [ 7920.400358][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7920.400358][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.400358][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.400358][ T3767] netlink_unicast+0x449/0x710 [ 7920.400358][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.400358][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.400358][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.400358][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.400358][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.400358][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.400358][ T3767] [ 7920.402520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7920.402520][ T3767] netdev_get_by_index+0x5e/0x80 [ 7920.402520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7920.402520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7920.402520][ T3767] ip6_route_add+0x1c/0x140 [ 7920.402520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7920.402520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7920.402520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.402520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.402520][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.402520][ T3767] netlink_unicast+0x449/0x710 [ 7920.402520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.402520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.402520][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.402520][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.402520][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.402520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.402520][ T3767] [ 7920.404701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7920.404701][ T3767] netdev_get_by_index+0x5e/0x80 [ 7920.404701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7920.404701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7920.404701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7920.404701][ T3767] ipv6_add_addr+0x411/0x2000 [ 7920.404701][ T3767] inet6_addr_add+0x30e/0xa40 [ 7920.404701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.404701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.404701][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.404701][ T3767] netlink_unicast+0x449/0x710 [ 7920.404701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.404701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.404701][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.404701][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.404701][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.404701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.404701][ T3767] [ 7920.406896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7920.406896][ T3767] netdev_get_by_index+0x5e/0x80 [ 7920.406896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7920.406896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7920.406896][ T3767] ip6_route_add+0x1c/0x140 [ 7920.406896][ T3767] addrconf_add_mroute+0x129/0x180 [ 7920.406896][ T3767] addrconf_add_dev+0xe2/0x170 [ 7920.406896][ T3767] inet6_addr_add+0x12f/0xa40 [ 7920.406896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.406896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.406896][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.406896][ T3767] netlink_unicast+0x449/0x710 [ 7920.406896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.406896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.406896][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.406896][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.406896][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.406896][ T3767] [ 7920.409043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7920.409043][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7920.409043][ T3767] ipv6_find_idev+0x102/0x170 [ 7920.409043][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.409043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.409043][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.409043][ T3767] netlink_unicast+0x449/0x710 [ 7920.409043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.409043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.409043][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.409043][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.409043][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.409043][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.409043][ T3767] [ 7920.410758][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7920.410758][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7920.410758][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7920.410758][ T3767] ipv6_find_idev+0x102/0x170 [ 7920.410758][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.410758][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.410758][ T3767] netlink_rcv_skb+0x130/0x360 [ 7920.410758][ T3767] netlink_unicast+0x449/0x710 [ 7920.410758][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7920.410758][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7920.410758][ T3767] ___sys_sendmsg+0xee/0x170 [ 7920.410758][ T3767] __sys_sendmsg+0xcd/0x170 [ 7920.410758][ T3767] do_syscall_64+0xc6/0x1e0 [ 7920.410758][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.410758][ T3767] [ 7930.647931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7930.648416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7930.648416][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7930.648416][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7930.648416][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7930.648416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7930.648416][ T3767] ip6_route_add+0x1c/0x140 [ 7930.648416][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7930.648416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.648416][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.648416][ T3767] netlink_unicast+0x449/0x710 [ 7930.648416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.648416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.648416][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.648416][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.648416][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.648416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.648416][ T3767] [ 7930.650517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7930.650517][ T3767] netdev_get_by_index+0x5e/0x80 [ 7930.650517][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7930.650517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7930.650517][ T3767] ip6_route_add+0x1c/0x140 [ 7930.650517][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7930.650517][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7930.650517][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.650517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.650517][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.650517][ T3767] netlink_unicast+0x449/0x710 [ 7930.650517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.650517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.650517][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.650517][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.650517][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.650517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.650517][ T3767] [ 7930.652704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7930.652704][ T3767] netdev_get_by_index+0x5e/0x80 [ 7930.652704][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7930.652704][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7930.652704][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7930.652704][ T3767] ipv6_add_addr+0x411/0x2000 [ 7930.652704][ T3767] inet6_addr_add+0x30e/0xa40 [ 7930.652704][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.652704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.652704][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.652704][ T3767] netlink_unicast+0x449/0x710 [ 7930.652704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.652704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.652704][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.652704][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.652704][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.652704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.652704][ T3767] [ 7930.654884][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7930.654884][ T3767] netdev_get_by_index+0x5e/0x80 [ 7930.654884][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7930.654884][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7930.654884][ T3767] ip6_route_add+0x1c/0x140 [ 7930.654884][ T3767] addrconf_add_mroute+0x129/0x180 [ 7930.654884][ T3767] addrconf_add_dev+0xe2/0x170 [ 7930.654884][ T3767] inet6_addr_add+0x12f/0xa40 [ 7930.654884][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.654884][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.654884][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.654884][ T3767] netlink_unicast+0x449/0x710 [ 7930.654884][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.654884][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.654884][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.654884][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.654884][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.654884][ T3767] [ 7930.657027][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7930.657027][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7930.657027][ T3767] ipv6_find_idev+0x102/0x170 [ 7930.657027][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7930.657027][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.657027][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.657027][ T3767] netlink_unicast+0x449/0x710 [ 7930.657027][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.657027][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.657027][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.657027][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.657027][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.657027][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.657027][ T3767] [ 7930.658705][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7930.658705][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7930.658705][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7930.658705][ T3767] ipv6_find_idev+0x102/0x170 [ 7930.658705][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7930.658705][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.658705][ T3767] netlink_rcv_skb+0x130/0x360 [ 7930.658705][ T3767] netlink_unicast+0x449/0x710 [ 7930.658705][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7930.658705][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7930.658705][ T3767] ___sys_sendmsg+0xee/0x170 [ 7930.658705][ T3767] __sys_sendmsg+0xcd/0x170 [ 7930.658705][ T3767] do_syscall_64+0xc6/0x1e0 [ 7930.658705][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.658705][ T3767] [ 7940.895935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7940.896408][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7940.896408][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7940.896408][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7940.896408][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7940.896408][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7940.896408][ T3767] ip6_route_add+0x1c/0x140 [ 7940.896408][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7940.896408][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.896408][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.896408][ T3767] netlink_unicast+0x449/0x710 [ 7940.896408][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.896408][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.896408][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.896408][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.896408][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.896408][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.896408][ T3767] [ 7940.898496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7940.898496][ T3767] netdev_get_by_index+0x5e/0x80 [ 7940.898496][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7940.898496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7940.898496][ T3767] ip6_route_add+0x1c/0x140 [ 7940.898496][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7940.898496][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7940.898496][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.898496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.898496][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.898496][ T3767] netlink_unicast+0x449/0x710 [ 7940.898496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.898496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.898496][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.898496][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.898496][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.898496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.898496][ T3767] [ 7940.900731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7940.900731][ T3767] netdev_get_by_index+0x5e/0x80 [ 7940.900731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7940.900731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7940.900731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7940.900731][ T3767] ipv6_add_addr+0x411/0x2000 [ 7940.900731][ T3767] inet6_addr_add+0x30e/0xa40 [ 7940.900731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.900731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.900731][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.900731][ T3767] netlink_unicast+0x449/0x710 [ 7940.900731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.900731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.900731][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.900731][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.900731][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.900731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.900731][ T3767] [ 7940.902908][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7940.902908][ T3767] netdev_get_by_index+0x5e/0x80 [ 7940.902908][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7940.902908][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7940.902908][ T3767] ip6_route_add+0x1c/0x140 [ 7940.902908][ T3767] addrconf_add_mroute+0x129/0x180 [ 7940.902908][ T3767] addrconf_add_dev+0xe2/0x170 [ 7940.902908][ T3767] inet6_addr_add+0x12f/0xa40 [ 7940.902908][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.902908][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.902908][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.902908][ T3767] netlink_unicast+0x449/0x710 [ 7940.902908][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.902908][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.902908][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.902908][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.902908][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.902908][ T3767] [ 7940.905061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7940.905061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7940.905061][ T3767] ipv6_find_idev+0x102/0x170 [ 7940.905061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7940.905061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.905061][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.905061][ T3767] netlink_unicast+0x449/0x710 [ 7940.905061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.905061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.905061][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.905061][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.905061][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.905061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.905061][ T3767] [ 7940.906741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7940.906741][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7940.906741][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7940.906741][ T3767] ipv6_find_idev+0x102/0x170 [ 7940.906741][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7940.906741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.906741][ T3767] netlink_rcv_skb+0x130/0x360 [ 7940.906741][ T3767] netlink_unicast+0x449/0x710 [ 7940.906741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7940.906741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7940.906741][ T3767] ___sys_sendmsg+0xee/0x170 [ 7940.906741][ T3767] __sys_sendmsg+0xcd/0x170 [ 7940.906741][ T3767] do_syscall_64+0xc6/0x1e0 [ 7940.906741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.906741][ T3767] [ 7951.143932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7951.144339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7951.144339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7951.144339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7951.144339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7951.144339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7951.144339][ T3767] ip6_route_add+0x1c/0x140 [ 7951.144339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7951.144339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.144339][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.144339][ T3767] netlink_unicast+0x449/0x710 [ 7951.144339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.144339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.144339][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.144339][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.144339][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.144339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.144339][ T3767] [ 7951.146413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7951.146413][ T3767] netdev_get_by_index+0x5e/0x80 [ 7951.146413][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7951.146413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7951.146413][ T3767] ip6_route_add+0x1c/0x140 [ 7951.146413][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7951.146413][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7951.146413][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.146413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.146413][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.146413][ T3767] netlink_unicast+0x449/0x710 [ 7951.146413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.146413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.146413][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.146413][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.146413][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.146413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.146413][ T3767] [ 7951.148600][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7951.148600][ T3767] netdev_get_by_index+0x5e/0x80 [ 7951.148600][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7951.148600][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7951.148600][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7951.148600][ T3767] ipv6_add_addr+0x411/0x2000 [ 7951.148600][ T3767] inet6_addr_add+0x30e/0xa40 [ 7951.148600][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.148600][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.148600][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.148600][ T3767] netlink_unicast+0x449/0x710 [ 7951.148600][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.148600][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.148600][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.148600][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.148600][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.148600][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.148600][ T3767] [ 7951.150793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7951.150793][ T3767] netdev_get_by_index+0x5e/0x80 [ 7951.150793][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7951.150793][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7951.150793][ T3767] ip6_route_add+0x1c/0x140 [ 7951.150793][ T3767] addrconf_add_mroute+0x129/0x180 [ 7951.150793][ T3767] addrconf_add_dev+0xe2/0x170 [ 7951.150793][ T3767] inet6_addr_add+0x12f/0xa40 [ 7951.150793][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.150793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.150793][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.150793][ T3767] netlink_unicast+0x449/0x710 [ 7951.150793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.150793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.150793][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.150793][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.150793][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.150793][ T3767] [ 7951.152945][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7951.152945][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7951.152945][ T3767] ipv6_find_idev+0x102/0x170 [ 7951.152945][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.152945][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.152945][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.152945][ T3767] netlink_unicast+0x449/0x710 [ 7951.152945][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.152945][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.152945][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.152945][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.152945][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.152945][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.152945][ T3767] [ 7951.154649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7951.154649][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7951.154649][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7951.154649][ T3767] ipv6_find_idev+0x102/0x170 [ 7951.154649][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.154649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.154649][ T3767] netlink_rcv_skb+0x130/0x360 [ 7951.154649][ T3767] netlink_unicast+0x449/0x710 [ 7951.154649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7951.154649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7951.154649][ T3767] ___sys_sendmsg+0xee/0x170 [ 7951.154649][ T3767] __sys_sendmsg+0xcd/0x170 [ 7951.154649][ T3767] do_syscall_64+0xc6/0x1e0 [ 7951.154649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.154649][ T3767] [ 7961.391952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7961.392356][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7961.392356][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7961.392356][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7961.392356][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7961.392356][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7961.392356][ T3767] ip6_route_add+0x1c/0x140 [ 7961.392356][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7961.392356][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.392356][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.392356][ T3767] netlink_unicast+0x449/0x710 [ 7961.392356][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.392356][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.392356][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.392356][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.392356][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.392356][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.392356][ T3767] [ 7961.394439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7961.394439][ T3767] netdev_get_by_index+0x5e/0x80 [ 7961.394439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7961.394439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7961.394439][ T3767] ip6_route_add+0x1c/0x140 [ 7961.394439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7961.394439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7961.394439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.394439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.394439][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.394439][ T3767] netlink_unicast+0x449/0x710 [ 7961.394439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.394439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.394439][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.394439][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.394439][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.394439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.394439][ T3767] [ 7961.396624][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7961.396624][ T3767] netdev_get_by_index+0x5e/0x80 [ 7961.396624][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7961.396624][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7961.396624][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7961.396624][ T3767] ipv6_add_addr+0x411/0x2000 [ 7961.396624][ T3767] inet6_addr_add+0x30e/0xa40 [ 7961.396624][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.396624][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.396624][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.396624][ T3767] netlink_unicast+0x449/0x710 [ 7961.396624][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.396624][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.396624][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.396624][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.396624][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.396624][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.396624][ T3767] [ 7961.398807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7961.398807][ T3767] netdev_get_by_index+0x5e/0x80 [ 7961.398807][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7961.398807][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7961.398807][ T3767] ip6_route_add+0x1c/0x140 [ 7961.398807][ T3767] addrconf_add_mroute+0x129/0x180 [ 7961.398807][ T3767] addrconf_add_dev+0xe2/0x170 [ 7961.398807][ T3767] inet6_addr_add+0x12f/0xa40 [ 7961.398807][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.398807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.398807][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.398807][ T3767] netlink_unicast+0x449/0x710 [ 7961.398807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.398807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.398807][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.398807][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.398807][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.398807][ T3767] [ 7961.400963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7961.400963][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7961.400963][ T3767] ipv6_find_idev+0x102/0x170 [ 7961.400963][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.400963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.400963][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.400963][ T3767] netlink_unicast+0x449/0x710 [ 7961.400963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.400963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.400963][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.400963][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.400963][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.400963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.400963][ T3767] [ 7961.402645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7961.402645][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7961.402645][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7961.402645][ T3767] ipv6_find_idev+0x102/0x170 [ 7961.402645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.402645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.402645][ T3767] netlink_rcv_skb+0x130/0x360 [ 7961.402645][ T3767] netlink_unicast+0x449/0x710 [ 7961.402645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7961.402645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7961.402645][ T3767] ___sys_sendmsg+0xee/0x170 [ 7961.402645][ T3767] __sys_sendmsg+0xcd/0x170 [ 7961.402645][ T3767] do_syscall_64+0xc6/0x1e0 [ 7961.402645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.402645][ T3767] [ 7971.639935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7971.640440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7971.640440][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7971.640440][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7971.640440][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7971.640440][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7971.640440][ T3767] ip6_route_add+0x1c/0x140 [ 7971.640440][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7971.640440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.640440][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.640440][ T3767] netlink_unicast+0x449/0x710 [ 7971.640440][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.640440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.640440][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.640440][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.640440][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.640440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.640440][ T3767] [ 7971.642516][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7971.642516][ T3767] netdev_get_by_index+0x5e/0x80 [ 7971.642516][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7971.642516][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7971.642516][ T3767] ip6_route_add+0x1c/0x140 [ 7971.642516][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7971.642516][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7971.642516][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.642516][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.642516][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.642516][ T3767] netlink_unicast+0x449/0x710 [ 7971.642516][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.642516][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.642516][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.642516][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.642516][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.642516][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.642516][ T3767] [ 7971.644706][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7971.644706][ T3767] netdev_get_by_index+0x5e/0x80 [ 7971.644706][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7971.644706][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7971.644706][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7971.644706][ T3767] ipv6_add_addr+0x411/0x2000 [ 7971.644706][ T3767] inet6_addr_add+0x30e/0xa40 [ 7971.644706][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.644706][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.644706][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.644706][ T3767] netlink_unicast+0x449/0x710 [ 7971.644706][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.644706][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.644706][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.644706][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.644706][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.644706][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.644706][ T3767] [ 7971.646891][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7971.646891][ T3767] netdev_get_by_index+0x5e/0x80 [ 7971.646891][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7971.646891][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7971.646891][ T3767] ip6_route_add+0x1c/0x140 [ 7971.646891][ T3767] addrconf_add_mroute+0x129/0x180 [ 7971.646891][ T3767] addrconf_add_dev+0xe2/0x170 [ 7971.646891][ T3767] inet6_addr_add+0x12f/0xa40 [ 7971.646891][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.646891][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.646891][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.646891][ T3767] netlink_unicast+0x449/0x710 [ 7971.646891][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.646891][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.646891][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.646891][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.646891][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.646891][ T3767] [ 7971.649038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7971.649038][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7971.649038][ T3767] ipv6_find_idev+0x102/0x170 [ 7971.649038][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7971.649038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.649038][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.649038][ T3767] netlink_unicast+0x449/0x710 [ 7971.649038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.649038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.649038][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.649038][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.649038][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.649038][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.649038][ T3767] [ 7971.650722][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7971.650722][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7971.650722][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7971.650722][ T3767] ipv6_find_idev+0x102/0x170 [ 7971.650722][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7971.650722][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.650722][ T3767] netlink_rcv_skb+0x130/0x360 [ 7971.650722][ T3767] netlink_unicast+0x449/0x710 [ 7971.650722][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7971.650722][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7971.650722][ T3767] ___sys_sendmsg+0xee/0x170 [ 7971.650722][ T3767] __sys_sendmsg+0xcd/0x170 [ 7971.650722][ T3767] do_syscall_64+0xc6/0x1e0 [ 7971.650722][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.650722][ T3767] [ 7981.887935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7981.888365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7981.888365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7981.888365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7981.888365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7981.888365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7981.888365][ T3767] ip6_route_add+0x1c/0x140 [ 7981.888365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7981.888365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.888365][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.888365][ T3767] netlink_unicast+0x449/0x710 [ 7981.888365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.888365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.888365][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.888365][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.888365][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.888365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.888365][ T3767] [ 7981.890460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7981.890460][ T3767] netdev_get_by_index+0x5e/0x80 [ 7981.890460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7981.890460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7981.890460][ T3767] ip6_route_add+0x1c/0x140 [ 7981.890460][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7981.890460][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7981.890460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.890460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.890460][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.890460][ T3767] netlink_unicast+0x449/0x710 [ 7981.890460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.890460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.890460][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.890460][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.890460][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.890460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.890460][ T3767] [ 7981.892667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7981.892667][ T3767] netdev_get_by_index+0x5e/0x80 [ 7981.892667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7981.892667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7981.892667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7981.892667][ T3767] ipv6_add_addr+0x411/0x2000 [ 7981.892667][ T3767] inet6_addr_add+0x30e/0xa40 [ 7981.892667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.892667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.892667][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.892667][ T3767] netlink_unicast+0x449/0x710 [ 7981.892667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.892667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.892667][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.892667][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.892667][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.892667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.892667][ T3767] [ 7981.895374][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7981.895374][ T3767] netdev_get_by_index+0x5e/0x80 [ 7981.895374][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7981.895374][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7981.895374][ T3767] ip6_route_add+0x1c/0x140 [ 7981.895374][ T3767] addrconf_add_mroute+0x129/0x180 [ 7981.895374][ T3767] addrconf_add_dev+0xe2/0x170 [ 7981.895374][ T3767] inet6_addr_add+0x12f/0xa40 [ 7981.895374][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.895374][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.895374][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.895374][ T3767] netlink_unicast+0x449/0x710 [ 7981.895374][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.895374][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.895374][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.895374][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.895374][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.895374][ T3767] [ 7981.897898][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7981.897898][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7981.897898][ T3767] ipv6_find_idev+0x102/0x170 [ 7981.897898][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7981.897898][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.897898][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.897898][ T3767] netlink_unicast+0x449/0x710 [ 7981.897898][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.897898][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.897898][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.897898][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.897898][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.897898][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.897898][ T3767] [ 7981.899589][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7981.899589][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7981.899589][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7981.899589][ T3767] ipv6_find_idev+0x102/0x170 [ 7981.899589][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7981.899589][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.899589][ T3767] netlink_rcv_skb+0x130/0x360 [ 7981.899589][ T3767] netlink_unicast+0x449/0x710 [ 7981.899589][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7981.899589][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7981.899589][ T3767] ___sys_sendmsg+0xee/0x170 [ 7981.899589][ T3767] __sys_sendmsg+0xcd/0x170 [ 7981.899589][ T3767] do_syscall_64+0xc6/0x1e0 [ 7981.899589][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.899589][ T3767] [ 7992.143945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7992.144368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 7992.144368][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 7992.144368][ T3767] ip6_validate_gw+0x3eb/0x790 [ 7992.144368][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 7992.144368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7992.144368][ T3767] ip6_route_add+0x1c/0x140 [ 7992.144368][ T3767] inet6_rtm_newroute+0x104/0x110 [ 7992.144368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.144368][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.144368][ T3767] netlink_unicast+0x449/0x710 [ 7992.144368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.144368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.144368][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.144368][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.144368][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.144368][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.144368][ T3767] [ 7992.146439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7992.146439][ T3767] netdev_get_by_index+0x5e/0x80 [ 7992.146439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7992.146439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7992.146439][ T3767] ip6_route_add+0x1c/0x140 [ 7992.146439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 7992.146439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 7992.146439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.146439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.146439][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.146439][ T3767] netlink_unicast+0x449/0x710 [ 7992.146439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.146439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.146439][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.146439][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.146439][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.146439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.146439][ T3767] [ 7992.148626][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7992.148626][ T3767] netdev_get_by_index+0x5e/0x80 [ 7992.148626][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7992.148626][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7992.148626][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 7992.148626][ T3767] ipv6_add_addr+0x411/0x2000 [ 7992.148626][ T3767] inet6_addr_add+0x30e/0xa40 [ 7992.148626][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.148626][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.148626][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.148626][ T3767] netlink_unicast+0x449/0x710 [ 7992.148626][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.148626][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.148626][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.148626][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.148626][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.148626][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.148626][ T3767] [ 7992.150824][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7992.150824][ T3767] netdev_get_by_index+0x5e/0x80 [ 7992.150824][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 7992.150824][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 7992.150824][ T3767] ip6_route_add+0x1c/0x140 [ 7992.150824][ T3767] addrconf_add_mroute+0x129/0x180 [ 7992.150824][ T3767] addrconf_add_dev+0xe2/0x170 [ 7992.150824][ T3767] inet6_addr_add+0x12f/0xa40 [ 7992.150824][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.150824][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.150824][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.150824][ T3767] netlink_unicast+0x449/0x710 [ 7992.150824][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.150824][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.150824][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.150824][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.150824][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.150824][ T3767] [ 7992.152965][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7992.152965][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 7992.152965][ T3767] ipv6_find_idev+0x102/0x170 [ 7992.152965][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.152965][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.152965][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.152965][ T3767] netlink_unicast+0x449/0x710 [ 7992.152965][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.152965][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.152965][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.152965][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.152965][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.152965][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.152965][ T3767] [ 7992.154646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 7992.154646][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 7992.154646][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 7992.154646][ T3767] ipv6_find_idev+0x102/0x170 [ 7992.154646][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.154646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.154646][ T3767] netlink_rcv_skb+0x130/0x360 [ 7992.154646][ T3767] netlink_unicast+0x449/0x710 [ 7992.154646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 7992.154646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 7992.154646][ T3767] ___sys_sendmsg+0xee/0x170 [ 7992.154646][ T3767] __sys_sendmsg+0xcd/0x170 [ 7992.154646][ T3767] do_syscall_64+0xc6/0x1e0 [ 7992.154646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.154646][ T3767] [ 8002.391938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8002.392357][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8002.392357][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8002.392357][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8002.392357][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8002.392357][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8002.392357][ T3767] ip6_route_add+0x1c/0x140 [ 8002.392357][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8002.392357][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.392357][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.392357][ T3767] netlink_unicast+0x449/0x710 [ 8002.392357][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.392357][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.392357][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.392357][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.392357][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.392357][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.392357][ T3767] [ 8002.394427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8002.394427][ T3767] netdev_get_by_index+0x5e/0x80 [ 8002.394427][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8002.394427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8002.394427][ T3767] ip6_route_add+0x1c/0x140 [ 8002.394427][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8002.394427][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8002.394427][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.394427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.394427][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.394427][ T3767] netlink_unicast+0x449/0x710 [ 8002.394427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.394427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.394427][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.394427][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.394427][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.394427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.394427][ T3767] [ 8002.396608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8002.396608][ T3767] netdev_get_by_index+0x5e/0x80 [ 8002.396608][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8002.396608][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8002.396608][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8002.396608][ T3767] ipv6_add_addr+0x411/0x2000 [ 8002.396608][ T3767] inet6_addr_add+0x30e/0xa40 [ 8002.396608][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.396608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.396608][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.396608][ T3767] netlink_unicast+0x449/0x710 [ 8002.396608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.396608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.396608][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.396608][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.396608][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.396608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.396608][ T3767] [ 8002.398788][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8002.398788][ T3767] netdev_get_by_index+0x5e/0x80 [ 8002.398788][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8002.398788][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8002.398788][ T3767] ip6_route_add+0x1c/0x140 [ 8002.398788][ T3767] addrconf_add_mroute+0x129/0x180 [ 8002.398788][ T3767] addrconf_add_dev+0xe2/0x170 [ 8002.398788][ T3767] inet6_addr_add+0x12f/0xa40 [ 8002.398788][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.398788][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.398788][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.398788][ T3767] netlink_unicast+0x449/0x710 [ 8002.398788][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.398788][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.398788][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.398788][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.398788][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.398788][ T3767] [ 8002.400972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8002.400972][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8002.400972][ T3767] ipv6_find_idev+0x102/0x170 [ 8002.400972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.400972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.400972][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.400972][ T3767] netlink_unicast+0x449/0x710 [ 8002.400972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.400972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.400972][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.400972][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.400972][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.400972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.400972][ T3767] [ 8002.402652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8002.402652][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8002.402652][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8002.402652][ T3767] ipv6_find_idev+0x102/0x170 [ 8002.402652][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.402652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.402652][ T3767] netlink_rcv_skb+0x130/0x360 [ 8002.402652][ T3767] netlink_unicast+0x449/0x710 [ 8002.402652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8002.402652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8002.402652][ T3767] ___sys_sendmsg+0xee/0x170 [ 8002.402652][ T3767] __sys_sendmsg+0xcd/0x170 [ 8002.402652][ T3767] do_syscall_64+0xc6/0x1e0 [ 8002.402652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.402652][ T3767] [ 8012.639875][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8012.640288][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8012.640288][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8012.640288][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8012.640288][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8012.640288][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8012.640288][ T3767] ip6_route_add+0x1c/0x140 [ 8012.640288][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8012.640288][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.640288][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.640288][ T3767] netlink_unicast+0x449/0x710 [ 8012.640288][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.640288][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.640288][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.640288][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.640288][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.640288][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.640288][ T3767] [ 8012.642349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8012.642349][ T3767] netdev_get_by_index+0x5e/0x80 [ 8012.642349][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8012.642349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8012.642349][ T3767] ip6_route_add+0x1c/0x140 [ 8012.642349][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8012.642349][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8012.642349][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.642349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.642349][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.642349][ T3767] netlink_unicast+0x449/0x710 [ 8012.642349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.642349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.642349][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.642349][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.642349][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.642349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.642349][ T3767] [ 8012.644551][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8012.644551][ T3767] netdev_get_by_index+0x5e/0x80 [ 8012.644551][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8012.644551][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8012.644551][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8012.644551][ T3767] ipv6_add_addr+0x411/0x2000 [ 8012.644551][ T3767] inet6_addr_add+0x30e/0xa40 [ 8012.644551][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.644551][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.644551][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.644551][ T3767] netlink_unicast+0x449/0x710 [ 8012.644551][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.644551][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.644551][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.644551][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.644551][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.644551][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.644551][ T3767] [ 8012.646733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8012.646733][ T3767] netdev_get_by_index+0x5e/0x80 [ 8012.646733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8012.646733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8012.646733][ T3767] ip6_route_add+0x1c/0x140 [ 8012.646733][ T3767] addrconf_add_mroute+0x129/0x180 [ 8012.646733][ T3767] addrconf_add_dev+0xe2/0x170 [ 8012.646733][ T3767] inet6_addr_add+0x12f/0xa40 [ 8012.646733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.646733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.646733][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.646733][ T3767] netlink_unicast+0x449/0x710 [ 8012.646733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.646733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.646733][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.646733][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.646733][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.646733][ T3767] [ 8012.648883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8012.648883][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8012.648883][ T3767] ipv6_find_idev+0x102/0x170 [ 8012.648883][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8012.648883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.648883][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.648883][ T3767] netlink_unicast+0x449/0x710 [ 8012.648883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.648883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.648883][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.648883][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.648883][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.648883][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.648883][ T3767] [ 8012.650574][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8012.650574][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8012.650574][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8012.650574][ T3767] ipv6_find_idev+0x102/0x170 [ 8012.650574][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8012.650574][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.650574][ T3767] netlink_rcv_skb+0x130/0x360 [ 8012.650574][ T3767] netlink_unicast+0x449/0x710 [ 8012.650574][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8012.650574][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8012.650574][ T3767] ___sys_sendmsg+0xee/0x170 [ 8012.650574][ T3767] __sys_sendmsg+0xcd/0x170 [ 8012.650574][ T3767] do_syscall_64+0xc6/0x1e0 [ 8012.650574][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.650574][ T3767] [ 8022.887956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8022.888368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8022.888368][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8022.888368][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8022.888368][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8022.888368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8022.888368][ T3767] ip6_route_add+0x1c/0x140 [ 8022.888368][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8022.888368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.888368][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.888368][ T3767] netlink_unicast+0x449/0x710 [ 8022.888368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.888368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.888368][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.888368][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.888368][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.888368][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.888368][ T3767] [ 8022.890460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8022.890460][ T3767] netdev_get_by_index+0x5e/0x80 [ 8022.890460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8022.890460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8022.890460][ T3767] ip6_route_add+0x1c/0x140 [ 8022.890460][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8022.890460][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8022.890460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.890460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.890460][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.890460][ T3767] netlink_unicast+0x449/0x710 [ 8022.890460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.890460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.890460][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.890460][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.890460][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.890460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.890460][ T3767] [ 8022.892652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8022.892652][ T3767] netdev_get_by_index+0x5e/0x80 [ 8022.892652][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8022.892652][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8022.892652][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8022.892652][ T3767] ipv6_add_addr+0x411/0x2000 [ 8022.892652][ T3767] inet6_addr_add+0x30e/0xa40 [ 8022.892652][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.892652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.892652][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.892652][ T3767] netlink_unicast+0x449/0x710 [ 8022.892652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.892652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.892652][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.892652][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.892652][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.892652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.892652][ T3767] [ 8022.894840][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8022.894840][ T3767] netdev_get_by_index+0x5e/0x80 [ 8022.894840][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8022.894840][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8022.894840][ T3767] ip6_route_add+0x1c/0x140 [ 8022.894840][ T3767] addrconf_add_mroute+0x129/0x180 [ 8022.894840][ T3767] addrconf_add_dev+0xe2/0x170 [ 8022.894840][ T3767] inet6_addr_add+0x12f/0xa40 [ 8022.894840][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.894840][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.894840][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.894840][ T3767] netlink_unicast+0x449/0x710 [ 8022.894840][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.894840][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.894840][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.894840][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.894840][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.894840][ T3767] [ 8022.896992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8022.896992][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8022.896992][ T3767] ipv6_find_idev+0x102/0x170 [ 8022.896992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8022.896992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.896992][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.896992][ T3767] netlink_unicast+0x449/0x710 [ 8022.896992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.896992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.896992][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.896992][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.896992][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.896992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.896992][ T3767] [ 8022.898661][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8022.898661][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8022.898661][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8022.898661][ T3767] ipv6_find_idev+0x102/0x170 [ 8022.898661][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8022.898661][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.898661][ T3767] netlink_rcv_skb+0x130/0x360 [ 8022.898661][ T3767] netlink_unicast+0x449/0x710 [ 8022.898661][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8022.898661][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8022.898661][ T3767] ___sys_sendmsg+0xee/0x170 [ 8022.898661][ T3767] __sys_sendmsg+0xcd/0x170 [ 8022.898661][ T3767] do_syscall_64+0xc6/0x1e0 [ 8022.898661][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.898661][ T3767] [ 8033.135932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8033.136393][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8033.136393][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8033.136393][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8033.136393][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8033.136393][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8033.136393][ T3767] ip6_route_add+0x1c/0x140 [ 8033.136393][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8033.136393][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.136393][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.136393][ T3767] netlink_unicast+0x449/0x710 [ 8033.136393][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.136393][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.136393][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.136393][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.136393][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.136393][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.136393][ T3767] [ 8033.138462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8033.138462][ T3767] netdev_get_by_index+0x5e/0x80 [ 8033.138462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8033.138462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8033.138462][ T3767] ip6_route_add+0x1c/0x140 [ 8033.138462][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8033.138462][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8033.138462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.138462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.138462][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.138462][ T3767] netlink_unicast+0x449/0x710 [ 8033.138462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.138462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.138462][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.138462][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.138462][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.138462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.138462][ T3767] [ 8033.140660][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8033.140660][ T3767] netdev_get_by_index+0x5e/0x80 [ 8033.140660][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8033.140660][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8033.140660][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8033.140660][ T3767] ipv6_add_addr+0x411/0x2000 [ 8033.140660][ T3767] inet6_addr_add+0x30e/0xa40 [ 8033.140660][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.140660][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.140660][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.140660][ T3767] netlink_unicast+0x449/0x710 [ 8033.140660][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.140660][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.140660][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.140660][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.140660][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.140660][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.140660][ T3767] [ 8033.142836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8033.142836][ T3767] netdev_get_by_index+0x5e/0x80 [ 8033.142836][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8033.142836][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8033.142836][ T3767] ip6_route_add+0x1c/0x140 [ 8033.142836][ T3767] addrconf_add_mroute+0x129/0x180 [ 8033.142836][ T3767] addrconf_add_dev+0xe2/0x170 [ 8033.142836][ T3767] inet6_addr_add+0x12f/0xa40 [ 8033.142836][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.142836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.142836][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.142836][ T3767] netlink_unicast+0x449/0x710 [ 8033.142836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.142836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.142836][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.142836][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.142836][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.142836][ T3767] [ 8033.144977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8033.144977][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8033.144977][ T3767] ipv6_find_idev+0x102/0x170 [ 8033.144977][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.144977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.144977][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.144977][ T3767] netlink_unicast+0x449/0x710 [ 8033.144977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.144977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.144977][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.144977][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.144977][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.144977][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.144977][ T3767] [ 8033.146652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8033.146652][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8033.146652][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8033.146652][ T3767] ipv6_find_idev+0x102/0x170 [ 8033.146652][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.146652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.146652][ T3767] netlink_rcv_skb+0x130/0x360 [ 8033.146652][ T3767] netlink_unicast+0x449/0x710 [ 8033.146652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8033.146652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8033.146652][ T3767] ___sys_sendmsg+0xee/0x170 [ 8033.146652][ T3767] __sys_sendmsg+0xcd/0x170 [ 8033.146652][ T3767] do_syscall_64+0xc6/0x1e0 [ 8033.146652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.146652][ T3767] [ 8043.383878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8043.384336][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8043.384336][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8043.384336][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8043.384336][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8043.384336][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8043.384336][ T3767] ip6_route_add+0x1c/0x140 [ 8043.384336][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8043.384336][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.384336][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.384336][ T3767] netlink_unicast+0x449/0x710 [ 8043.384336][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.384336][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.384336][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.384336][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.384336][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.384336][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.384336][ T3767] [ 8043.386415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8043.386415][ T3767] netdev_get_by_index+0x5e/0x80 [ 8043.386415][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8043.386415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8043.386415][ T3767] ip6_route_add+0x1c/0x140 [ 8043.386415][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8043.386415][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8043.386415][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.386415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.386415][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.386415][ T3767] netlink_unicast+0x449/0x710 [ 8043.386415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.386415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.386415][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.386415][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.386415][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.386415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.386415][ T3767] [ 8043.388609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8043.388609][ T3767] netdev_get_by_index+0x5e/0x80 [ 8043.388609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8043.388609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8043.388609][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8043.388609][ T3767] ipv6_add_addr+0x411/0x2000 [ 8043.388609][ T3767] inet6_addr_add+0x30e/0xa40 [ 8043.388609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.388609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.388609][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.388609][ T3767] netlink_unicast+0x449/0x710 [ 8043.388609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.388609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.388609][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.388609][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.388609][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.388609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.388609][ T3767] [ 8043.390802][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8043.390802][ T3767] netdev_get_by_index+0x5e/0x80 [ 8043.390802][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8043.390802][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8043.390802][ T3767] ip6_route_add+0x1c/0x140 [ 8043.390802][ T3767] addrconf_add_mroute+0x129/0x180 [ 8043.390802][ T3767] addrconf_add_dev+0xe2/0x170 [ 8043.390802][ T3767] inet6_addr_add+0x12f/0xa40 [ 8043.390802][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.390802][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.390802][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.390802][ T3767] netlink_unicast+0x449/0x710 [ 8043.390802][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.390802][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.390802][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.390802][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.390802][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.390802][ T3767] [ 8043.392954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8043.392954][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8043.392954][ T3767] ipv6_find_idev+0x102/0x170 [ 8043.392954][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.392954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.392954][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.392954][ T3767] netlink_unicast+0x449/0x710 [ 8043.392954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.392954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.392954][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.392954][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.392954][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.392954][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.392954][ T3767] [ 8043.394637][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8043.394637][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8043.394637][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8043.394637][ T3767] ipv6_find_idev+0x102/0x170 [ 8043.394637][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.394637][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.394637][ T3767] netlink_rcv_skb+0x130/0x360 [ 8043.394637][ T3767] netlink_unicast+0x449/0x710 [ 8043.394637][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8043.394637][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8043.394637][ T3767] ___sys_sendmsg+0xee/0x170 [ 8043.394637][ T3767] __sys_sendmsg+0xcd/0x170 [ 8043.394637][ T3767] do_syscall_64+0xc6/0x1e0 [ 8043.394637][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.394637][ T3767] [ 8053.632006][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8053.632487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8053.632487][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8053.632487][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8053.632487][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8053.632487][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8053.632487][ T3767] ip6_route_add+0x1c/0x140 [ 8053.632487][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8053.632487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.632487][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.632487][ T3767] netlink_unicast+0x449/0x710 [ 8053.632487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.632487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.632487][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.632487][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.632487][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.632487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.632487][ T3767] [ 8053.634582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8053.634582][ T3767] netdev_get_by_index+0x5e/0x80 [ 8053.634582][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8053.634582][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8053.634582][ T3767] ip6_route_add+0x1c/0x140 [ 8053.634582][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8053.634582][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8053.634582][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.634582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.634582][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.634582][ T3767] netlink_unicast+0x449/0x710 [ 8053.634582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.634582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.634582][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.634582][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.634582][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.634582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.634582][ T3767] [ 8053.636790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8053.636790][ T3767] netdev_get_by_index+0x5e/0x80 [ 8053.636790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8053.636790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8053.636790][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8053.636790][ T3767] ipv6_add_addr+0x411/0x2000 [ 8053.636790][ T3767] inet6_addr_add+0x30e/0xa40 [ 8053.636790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.636790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.636790][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.636790][ T3767] netlink_unicast+0x449/0x710 [ 8053.636790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.636790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.636790][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.636790][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.636790][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.636790][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.636790][ T3767] [ 8053.638999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8053.638999][ T3767] netdev_get_by_index+0x5e/0x80 [ 8053.638999][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8053.638999][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8053.638999][ T3767] ip6_route_add+0x1c/0x140 [ 8053.638999][ T3767] addrconf_add_mroute+0x129/0x180 [ 8053.638999][ T3767] addrconf_add_dev+0xe2/0x170 [ 8053.638999][ T3767] inet6_addr_add+0x12f/0xa40 [ 8053.638999][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.638999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.638999][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.638999][ T3767] netlink_unicast+0x449/0x710 [ 8053.638999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.638999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.638999][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.638999][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.638999][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.638999][ T3767] [ 8053.641168][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8053.641168][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8053.641168][ T3767] ipv6_find_idev+0x102/0x170 [ 8053.641168][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8053.641168][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.641168][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.641168][ T3767] netlink_unicast+0x449/0x710 [ 8053.641168][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.641168][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.641168][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.641168][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.641168][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.641168][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.641168][ T3767] [ 8053.642858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8053.642858][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8053.642858][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8053.642858][ T3767] ipv6_find_idev+0x102/0x170 [ 8053.642858][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8053.642858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.642858][ T3767] netlink_rcv_skb+0x130/0x360 [ 8053.642858][ T3767] netlink_unicast+0x449/0x710 [ 8053.642858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8053.642858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8053.642858][ T3767] ___sys_sendmsg+0xee/0x170 [ 8053.642858][ T3767] __sys_sendmsg+0xcd/0x170 [ 8053.642858][ T3767] do_syscall_64+0xc6/0x1e0 [ 8053.642858][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.642858][ T3767] [ 8063.879931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8063.880367][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8063.880367][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8063.880367][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8063.880367][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8063.880367][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8063.880367][ T3767] ip6_route_add+0x1c/0x140 [ 8063.880367][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8063.880367][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.880367][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.880367][ T3767] netlink_unicast+0x449/0x710 [ 8063.880367][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.880367][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.880367][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.880367][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.880367][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.880367][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.880367][ T3767] [ 8063.882481][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8063.882481][ T3767] netdev_get_by_index+0x5e/0x80 [ 8063.882481][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8063.882481][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8063.882481][ T3767] ip6_route_add+0x1c/0x140 [ 8063.882481][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8063.882481][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8063.882481][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.882481][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.882481][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.882481][ T3767] netlink_unicast+0x449/0x710 [ 8063.882481][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.882481][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.882481][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.882481][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.882481][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.882481][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.882481][ T3767] [ 8063.884710][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8063.884710][ T3767] netdev_get_by_index+0x5e/0x80 [ 8063.884710][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8063.884710][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8063.884710][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8063.884710][ T3767] ipv6_add_addr+0x411/0x2000 [ 8063.884710][ T3767] inet6_addr_add+0x30e/0xa40 [ 8063.884710][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.884710][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.884710][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.884710][ T3767] netlink_unicast+0x449/0x710 [ 8063.884710][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.884710][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.884710][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.884710][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.884710][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.884710][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.884710][ T3767] [ 8063.886932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8063.886932][ T3767] netdev_get_by_index+0x5e/0x80 [ 8063.886932][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8063.886932][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8063.886932][ T3767] ip6_route_add+0x1c/0x140 [ 8063.886932][ T3767] addrconf_add_mroute+0x129/0x180 [ 8063.886932][ T3767] addrconf_add_dev+0xe2/0x170 [ 8063.886932][ T3767] inet6_addr_add+0x12f/0xa40 [ 8063.886932][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.886932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.886932][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.886932][ T3767] netlink_unicast+0x449/0x710 [ 8063.886932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.886932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.886932][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.886932][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.886932][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.886932][ T3767] [ 8063.889609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8063.889609][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8063.889609][ T3767] ipv6_find_idev+0x102/0x170 [ 8063.889609][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8063.889609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.889609][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.889609][ T3767] netlink_unicast+0x449/0x710 [ 8063.889609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.889609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.889609][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.889609][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.889609][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.889609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.889609][ T3767] [ 8063.891318][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8063.891318][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8063.891318][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8063.891318][ T3767] ipv6_find_idev+0x102/0x170 [ 8063.891318][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8063.891318][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.891318][ T3767] netlink_rcv_skb+0x130/0x360 [ 8063.891318][ T3767] netlink_unicast+0x449/0x710 [ 8063.891318][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8063.891318][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8063.891318][ T3767] ___sys_sendmsg+0xee/0x170 [ 8063.891318][ T3767] __sys_sendmsg+0xcd/0x170 [ 8063.891318][ T3767] do_syscall_64+0xc6/0x1e0 [ 8063.891318][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.891318][ T3767] [ 8074.135933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8074.136349][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8074.136349][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8074.136349][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8074.136349][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8074.136349][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8074.136349][ T3767] ip6_route_add+0x1c/0x140 [ 8074.136349][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8074.136349][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.136349][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.136349][ T3767] netlink_unicast+0x449/0x710 [ 8074.136349][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.136349][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.136349][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.136349][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.136349][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.136349][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.136349][ T3767] [ 8074.138449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8074.138449][ T3767] netdev_get_by_index+0x5e/0x80 [ 8074.138449][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8074.138449][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8074.138449][ T3767] ip6_route_add+0x1c/0x140 [ 8074.138449][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8074.138449][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8074.138449][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.138449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.138449][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.138449][ T3767] netlink_unicast+0x449/0x710 [ 8074.138449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.138449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.138449][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.138449][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.138449][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.138449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.138449][ T3767] [ 8074.140679][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8074.140679][ T3767] netdev_get_by_index+0x5e/0x80 [ 8074.140679][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8074.140679][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8074.140679][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8074.140679][ T3767] ipv6_add_addr+0x411/0x2000 [ 8074.140679][ T3767] inet6_addr_add+0x30e/0xa40 [ 8074.140679][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.140679][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.140679][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.140679][ T3767] netlink_unicast+0x449/0x710 [ 8074.140679][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.140679][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.140679][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.140679][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.140679][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.140679][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.140679][ T3767] [ 8074.142899][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8074.142899][ T3767] netdev_get_by_index+0x5e/0x80 [ 8074.142899][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8074.142899][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8074.142899][ T3767] ip6_route_add+0x1c/0x140 [ 8074.142899][ T3767] addrconf_add_mroute+0x129/0x180 [ 8074.142899][ T3767] addrconf_add_dev+0xe2/0x170 [ 8074.142899][ T3767] inet6_addr_add+0x12f/0xa40 [ 8074.142899][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.142899][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.142899][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.142899][ T3767] netlink_unicast+0x449/0x710 [ 8074.142899][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.142899][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.142899][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.142899][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.142899][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.142899][ T3767] [ 8074.145072][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8074.145072][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8074.145072][ T3767] ipv6_find_idev+0x102/0x170 [ 8074.145072][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.145072][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.145072][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.145072][ T3767] netlink_unicast+0x449/0x710 [ 8074.145072][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.145072][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.145072][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.145072][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.145072][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.145072][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.145072][ T3767] [ 8074.146771][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8074.146771][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8074.146771][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8074.146771][ T3767] ipv6_find_idev+0x102/0x170 [ 8074.146771][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.146771][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.146771][ T3767] netlink_rcv_skb+0x130/0x360 [ 8074.146771][ T3767] netlink_unicast+0x449/0x710 [ 8074.146771][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8074.146771][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8074.146771][ T3767] ___sys_sendmsg+0xee/0x170 [ 8074.146771][ T3767] __sys_sendmsg+0xcd/0x170 [ 8074.146771][ T3767] do_syscall_64+0xc6/0x1e0 [ 8074.146771][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.146771][ T3767] [ 8084.383934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8084.384355][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8084.384355][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8084.384355][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8084.384355][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8084.384355][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8084.384355][ T3767] ip6_route_add+0x1c/0x140 [ 8084.384355][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8084.384355][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.384355][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.384355][ T3767] netlink_unicast+0x449/0x710 [ 8084.384355][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.384355][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.384355][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.384355][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.384355][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.384355][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.384355][ T3767] [ 8084.386458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8084.386458][ T3767] netdev_get_by_index+0x5e/0x80 [ 8084.386458][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8084.386458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8084.386458][ T3767] ip6_route_add+0x1c/0x140 [ 8084.386458][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8084.386458][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8084.386458][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.386458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.386458][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.386458][ T3767] netlink_unicast+0x449/0x710 [ 8084.386458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.386458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.386458][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.386458][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.386458][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.386458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.386458][ T3767] [ 8084.388696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8084.388696][ T3767] netdev_get_by_index+0x5e/0x80 [ 8084.388696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8084.388696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8084.388696][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8084.388696][ T3767] ipv6_add_addr+0x411/0x2000 [ 8084.388696][ T3767] inet6_addr_add+0x30e/0xa40 [ 8084.388696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.388696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.388696][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.388696][ T3767] netlink_unicast+0x449/0x710 [ 8084.388696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.388696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.388696][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.388696][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.388696][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.388696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.388696][ T3767] [ 8084.390904][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8084.390904][ T3767] netdev_get_by_index+0x5e/0x80 [ 8084.390904][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8084.390904][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8084.390904][ T3767] ip6_route_add+0x1c/0x140 [ 8084.390904][ T3767] addrconf_add_mroute+0x129/0x180 [ 8084.390904][ T3767] addrconf_add_dev+0xe2/0x170 [ 8084.390904][ T3767] inet6_addr_add+0x12f/0xa40 [ 8084.390904][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.390904][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.390904][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.390904][ T3767] netlink_unicast+0x449/0x710 [ 8084.390904][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.390904][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.390904][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.390904][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.390904][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.390904][ T3767] [ 8084.393076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8084.393076][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8084.393076][ T3767] ipv6_find_idev+0x102/0x170 [ 8084.393076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.393076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.393076][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.393076][ T3767] netlink_unicast+0x449/0x710 [ 8084.393076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.393076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.393076][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.393076][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.393076][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.393076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.393076][ T3767] [ 8084.394787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8084.394787][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8084.394787][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8084.394787][ T3767] ipv6_find_idev+0x102/0x170 [ 8084.394787][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.394787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.394787][ T3767] netlink_rcv_skb+0x130/0x360 [ 8084.394787][ T3767] netlink_unicast+0x449/0x710 [ 8084.394787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8084.394787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8084.394787][ T3767] ___sys_sendmsg+0xee/0x170 [ 8084.394787][ T3767] __sys_sendmsg+0xcd/0x170 [ 8084.394787][ T3767] do_syscall_64+0xc6/0x1e0 [ 8084.394787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.394787][ T3767] [ 8094.631875][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8094.632299][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8094.632299][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8094.632299][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8094.632299][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8094.632299][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8094.632299][ T3767] ip6_route_add+0x1c/0x140 [ 8094.632299][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8094.632299][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.632299][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.632299][ T3767] netlink_unicast+0x449/0x710 [ 8094.632299][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.632299][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.632299][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.632299][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.632299][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.632299][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.632299][ T3767] [ 8094.634402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8094.634402][ T3767] netdev_get_by_index+0x5e/0x80 [ 8094.634402][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8094.634402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8094.634402][ T3767] ip6_route_add+0x1c/0x140 [ 8094.634402][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8094.634402][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8094.634402][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.634402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.634402][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.634402][ T3767] netlink_unicast+0x449/0x710 [ 8094.634402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.634402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.634402][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.634402][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.634402][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.634402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.634402][ T3767] [ 8094.636628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8094.636628][ T3767] netdev_get_by_index+0x5e/0x80 [ 8094.636628][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8094.636628][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8094.636628][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8094.636628][ T3767] ipv6_add_addr+0x411/0x2000 [ 8094.636628][ T3767] inet6_addr_add+0x30e/0xa40 [ 8094.636628][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.636628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.636628][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.636628][ T3767] netlink_unicast+0x449/0x710 [ 8094.636628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.636628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.636628][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.636628][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.636628][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.636628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.636628][ T3767] [ 8094.638852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8094.638852][ T3767] netdev_get_by_index+0x5e/0x80 [ 8094.638852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8094.638852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8094.638852][ T3767] ip6_route_add+0x1c/0x140 [ 8094.638852][ T3767] addrconf_add_mroute+0x129/0x180 [ 8094.638852][ T3767] addrconf_add_dev+0xe2/0x170 [ 8094.638852][ T3767] inet6_addr_add+0x12f/0xa40 [ 8094.638852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.638852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.638852][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.638852][ T3767] netlink_unicast+0x449/0x710 [ 8094.638852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.638852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.638852][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.638852][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.638852][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.638852][ T3767] [ 8094.641034][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8094.641034][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8094.641034][ T3767] ipv6_find_idev+0x102/0x170 [ 8094.641034][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8094.641034][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.641034][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.641034][ T3767] netlink_unicast+0x449/0x710 [ 8094.641034][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.641034][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.641034][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.641034][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.641034][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.641034][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.641034][ T3767] [ 8094.642740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8094.642740][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8094.642740][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8094.642740][ T3767] ipv6_find_idev+0x102/0x170 [ 8094.642740][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8094.642740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.642740][ T3767] netlink_rcv_skb+0x130/0x360 [ 8094.642740][ T3767] netlink_unicast+0x449/0x710 [ 8094.642740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8094.642740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8094.642740][ T3767] ___sys_sendmsg+0xee/0x170 [ 8094.642740][ T3767] __sys_sendmsg+0xcd/0x170 [ 8094.642740][ T3767] do_syscall_64+0xc6/0x1e0 [ 8094.642740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.642740][ T3767] [ 8104.727934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8104.728399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8104.728399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8104.728399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8104.728399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8104.728399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8104.728399][ T3767] ip6_route_add+0x1c/0x140 [ 8104.728399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8104.728399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.728399][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.728399][ T3767] netlink_unicast+0x449/0x710 [ 8104.728399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.728399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.728399][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.728399][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.728399][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.728399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.728399][ T3767] [ 8104.731371][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8104.731371][ T3767] netdev_get_by_index+0x5e/0x80 [ 8104.731371][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8104.731371][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8104.731371][ T3767] ip6_route_add+0x1c/0x140 [ 8104.731371][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8104.731371][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8104.731371][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.731371][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.731371][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.731371][ T3767] netlink_unicast+0x449/0x710 [ 8104.731371][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.731371][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.731371][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.731371][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.731371][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.731371][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.731371][ T3767] [ 8104.733594][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8104.733594][ T3767] netdev_get_by_index+0x5e/0x80 [ 8104.733594][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8104.733594][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8104.733594][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8104.733594][ T3767] ipv6_add_addr+0x411/0x2000 [ 8104.733594][ T3767] inet6_addr_add+0x30e/0xa40 [ 8104.733594][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.733594][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.733594][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.733594][ T3767] netlink_unicast+0x449/0x710 [ 8104.733594][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.733594][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.733594][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.733594][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.733594][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.733594][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.733594][ T3767] [ 8104.735774][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8104.735774][ T3767] netdev_get_by_index+0x5e/0x80 [ 8104.735774][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8104.735774][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8104.735774][ T3767] ip6_route_add+0x1c/0x140 [ 8104.735774][ T3767] addrconf_add_mroute+0x129/0x180 [ 8104.735774][ T3767] addrconf_add_dev+0xe2/0x170 [ 8104.735774][ T3767] inet6_addr_add+0x12f/0xa40 [ 8104.735774][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.735774][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.735774][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.735774][ T3767] netlink_unicast+0x449/0x710 [ 8104.735774][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.735774][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.735774][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.735774][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.735774][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.735774][ T3767] [ 8104.737922][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8104.737922][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8104.737922][ T3767] ipv6_find_idev+0x102/0x170 [ 8104.737922][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8104.737922][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.737922][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.737922][ T3767] netlink_unicast+0x449/0x710 [ 8104.737922][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.737922][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.737922][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.737922][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.737922][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.737922][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.737922][ T3767] [ 8104.739612][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8104.739612][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8104.739612][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8104.739612][ T3767] ipv6_find_idev+0x102/0x170 [ 8104.739612][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8104.739612][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.739612][ T3767] netlink_rcv_skb+0x130/0x360 [ 8104.739612][ T3767] netlink_unicast+0x449/0x710 [ 8104.739612][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8104.739612][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8104.739612][ T3767] ___sys_sendmsg+0xee/0x170 [ 8104.739612][ T3767] __sys_sendmsg+0xcd/0x170 [ 8104.739612][ T3767] do_syscall_64+0xc6/0x1e0 [ 8104.739612][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.739612][ T3767] [ 8114.983936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8114.984434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8114.984434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8114.984434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8114.984434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8114.984434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8114.984434][ T3767] ip6_route_add+0x1c/0x140 [ 8114.984434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8114.984434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.984434][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.984434][ T3767] netlink_unicast+0x449/0x710 [ 8114.984434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.984434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.984434][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.984434][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.984434][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.984434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.984434][ T3767] [ 8114.986506][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8114.986506][ T3767] netdev_get_by_index+0x5e/0x80 [ 8114.986506][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8114.986506][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8114.986506][ T3767] ip6_route_add+0x1c/0x140 [ 8114.986506][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8114.986506][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8114.986506][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.986506][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.986506][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.986506][ T3767] netlink_unicast+0x449/0x710 [ 8114.986506][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.986506][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.986506][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.986506][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.986506][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.986506][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.986506][ T3767] [ 8114.988709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8114.988709][ T3767] netdev_get_by_index+0x5e/0x80 [ 8114.988709][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8114.988709][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8114.988709][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8114.988709][ T3767] ipv6_add_addr+0x411/0x2000 [ 8114.988709][ T3767] inet6_addr_add+0x30e/0xa40 [ 8114.988709][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.988709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.988709][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.988709][ T3767] netlink_unicast+0x449/0x710 [ 8114.988709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.988709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.988709][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.988709][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.988709][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.988709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.988709][ T3767] [ 8114.990895][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8114.990895][ T3767] netdev_get_by_index+0x5e/0x80 [ 8114.990895][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8114.990895][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8114.990895][ T3767] ip6_route_add+0x1c/0x140 [ 8114.990895][ T3767] addrconf_add_mroute+0x129/0x180 [ 8114.990895][ T3767] addrconf_add_dev+0xe2/0x170 [ 8114.990895][ T3767] inet6_addr_add+0x12f/0xa40 [ 8114.990895][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.990895][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.990895][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.990895][ T3767] netlink_unicast+0x449/0x710 [ 8114.990895][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.990895][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.990895][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.990895][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.990895][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.990895][ T3767] [ 8114.993043][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8114.993043][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8114.993043][ T3767] ipv6_find_idev+0x102/0x170 [ 8114.993043][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8114.993043][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.993043][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.993043][ T3767] netlink_unicast+0x449/0x710 [ 8114.993043][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.993043][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.993043][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.993043][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.993043][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.993043][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.993043][ T3767] [ 8114.994723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8114.994723][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8114.994723][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8114.994723][ T3767] ipv6_find_idev+0x102/0x170 [ 8114.994723][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8114.994723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.994723][ T3767] netlink_rcv_skb+0x130/0x360 [ 8114.994723][ T3767] netlink_unicast+0x449/0x710 [ 8114.994723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8114.994723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8114.994723][ T3767] ___sys_sendmsg+0xee/0x170 [ 8114.994723][ T3767] __sys_sendmsg+0xcd/0x170 [ 8114.994723][ T3767] do_syscall_64+0xc6/0x1e0 [ 8114.994723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.994723][ T3767] [ 8125.231932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8125.232418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8125.232418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8125.232418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8125.232418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8125.232418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8125.232418][ T3767] ip6_route_add+0x1c/0x140 [ 8125.232418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8125.232418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.232418][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.232418][ T3767] netlink_unicast+0x449/0x710 [ 8125.232418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.232418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.232418][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.232418][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.232418][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.232418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.232418][ T3767] [ 8125.234517][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8125.234517][ T3767] netdev_get_by_index+0x5e/0x80 [ 8125.234517][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8125.234517][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8125.234517][ T3767] ip6_route_add+0x1c/0x140 [ 8125.234517][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8125.234517][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8125.234517][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.234517][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.234517][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.234517][ T3767] netlink_unicast+0x449/0x710 [ 8125.234517][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.234517][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.234517][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.234517][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.234517][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.234517][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.234517][ T3767] [ 8125.236719][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8125.236719][ T3767] netdev_get_by_index+0x5e/0x80 [ 8125.236719][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8125.236719][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8125.236719][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8125.236719][ T3767] ipv6_add_addr+0x411/0x2000 [ 8125.236719][ T3767] inet6_addr_add+0x30e/0xa40 [ 8125.236719][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.236719][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.236719][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.236719][ T3767] netlink_unicast+0x449/0x710 [ 8125.236719][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.236719][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.236719][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.236719][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.236719][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.236719][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.236719][ T3767] [ 8125.238905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8125.238905][ T3767] netdev_get_by_index+0x5e/0x80 [ 8125.238905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8125.238905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8125.238905][ T3767] ip6_route_add+0x1c/0x140 [ 8125.238905][ T3767] addrconf_add_mroute+0x129/0x180 [ 8125.238905][ T3767] addrconf_add_dev+0xe2/0x170 [ 8125.238905][ T3767] inet6_addr_add+0x12f/0xa40 [ 8125.238905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.238905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.238905][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.238905][ T3767] netlink_unicast+0x449/0x710 [ 8125.238905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.238905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.238905][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.238905][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.238905][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.238905][ T3767] [ 8125.241048][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8125.241048][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8125.241048][ T3767] ipv6_find_idev+0x102/0x170 [ 8125.241048][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.241048][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.241048][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.241048][ T3767] netlink_unicast+0x449/0x710 [ 8125.241048][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.241048][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.241048][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.241048][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.241048][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.241048][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.241048][ T3767] [ 8125.242724][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8125.242724][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8125.242724][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8125.242724][ T3767] ipv6_find_idev+0x102/0x170 [ 8125.242724][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.242724][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.242724][ T3767] netlink_rcv_skb+0x130/0x360 [ 8125.242724][ T3767] netlink_unicast+0x449/0x710 [ 8125.242724][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8125.242724][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8125.242724][ T3767] ___sys_sendmsg+0xee/0x170 [ 8125.242724][ T3767] __sys_sendmsg+0xcd/0x170 [ 8125.242724][ T3767] do_syscall_64+0xc6/0x1e0 [ 8125.242724][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.242724][ T3767] [ 8135.479957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8135.480479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8135.480479][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8135.480479][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8135.480479][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8135.480479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8135.480479][ T3767] ip6_route_add+0x1c/0x140 [ 8135.480479][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8135.480479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.480479][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.480479][ T3767] netlink_unicast+0x449/0x710 [ 8135.480479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.480479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.480479][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.480479][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.480479][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.480479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.480479][ T3767] [ 8135.482582][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8135.482582][ T3767] netdev_get_by_index+0x5e/0x80 [ 8135.482582][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8135.482582][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8135.482582][ T3767] ip6_route_add+0x1c/0x140 [ 8135.482582][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8135.482582][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8135.482582][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.482582][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.482582][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.482582][ T3767] netlink_unicast+0x449/0x710 [ 8135.482582][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.482582][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.482582][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.482582][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.482582][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.482582][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.482582][ T3767] [ 8135.484801][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8135.484801][ T3767] netdev_get_by_index+0x5e/0x80 [ 8135.484801][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8135.484801][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8135.484801][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8135.484801][ T3767] ipv6_add_addr+0x411/0x2000 [ 8135.484801][ T3767] inet6_addr_add+0x30e/0xa40 [ 8135.484801][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.484801][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.484801][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.484801][ T3767] netlink_unicast+0x449/0x710 [ 8135.484801][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.484801][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.484801][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.484801][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.484801][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.484801][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.484801][ T3767] [ 8135.487029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8135.487029][ T3767] netdev_get_by_index+0x5e/0x80 [ 8135.487029][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8135.487029][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8135.487029][ T3767] ip6_route_add+0x1c/0x140 [ 8135.487029][ T3767] addrconf_add_mroute+0x129/0x180 [ 8135.487029][ T3767] addrconf_add_dev+0xe2/0x170 [ 8135.487029][ T3767] inet6_addr_add+0x12f/0xa40 [ 8135.487029][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.487029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.487029][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.487029][ T3767] netlink_unicast+0x449/0x710 [ 8135.487029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.487029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.487029][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.487029][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.487029][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.487029][ T3767] [ 8135.489221][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8135.489221][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8135.489221][ T3767] ipv6_find_idev+0x102/0x170 [ 8135.489221][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8135.489221][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.489221][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.489221][ T3767] netlink_unicast+0x449/0x710 [ 8135.489221][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.489221][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.489221][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.489221][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.489221][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.489221][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.489221][ T3767] [ 8135.490932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8135.490932][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8135.490932][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8135.490932][ T3767] ipv6_find_idev+0x102/0x170 [ 8135.490932][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8135.490932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.490932][ T3767] netlink_rcv_skb+0x130/0x360 [ 8135.490932][ T3767] netlink_unicast+0x449/0x710 [ 8135.490932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8135.490932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8135.490932][ T3767] ___sys_sendmsg+0xee/0x170 [ 8135.490932][ T3767] __sys_sendmsg+0xcd/0x170 [ 8135.490932][ T3767] do_syscall_64+0xc6/0x1e0 [ 8135.490932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.490932][ T3767] [ 8145.727962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8145.728421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8145.728421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8145.728421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8145.728421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8145.728421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8145.728421][ T3767] ip6_route_add+0x1c/0x140 [ 8145.728421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8145.728421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.728421][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.728421][ T3767] netlink_unicast+0x449/0x710 [ 8145.728421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.728421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.728421][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.728421][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.728421][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.728421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.728421][ T3767] [ 8145.730496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8145.730496][ T3767] netdev_get_by_index+0x5e/0x80 [ 8145.730496][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8145.730496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8145.730496][ T3767] ip6_route_add+0x1c/0x140 [ 8145.730496][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8145.730496][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8145.730496][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.730496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.730496][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.730496][ T3767] netlink_unicast+0x449/0x710 [ 8145.730496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.730496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.730496][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.730496][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.730496][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.730496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.730496][ T3767] [ 8145.732682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8145.732682][ T3767] netdev_get_by_index+0x5e/0x80 [ 8145.732682][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8145.732682][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8145.732682][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8145.732682][ T3767] ipv6_add_addr+0x411/0x2000 [ 8145.732682][ T3767] inet6_addr_add+0x30e/0xa40 [ 8145.732682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.732682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.732682][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.732682][ T3767] netlink_unicast+0x449/0x710 [ 8145.732682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.732682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.732682][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.732682][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.732682][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.732682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.732682][ T3767] [ 8145.734864][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8145.734864][ T3767] netdev_get_by_index+0x5e/0x80 [ 8145.734864][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8145.734864][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8145.734864][ T3767] ip6_route_add+0x1c/0x140 [ 8145.734864][ T3767] addrconf_add_mroute+0x129/0x180 [ 8145.734864][ T3767] addrconf_add_dev+0xe2/0x170 [ 8145.734864][ T3767] inet6_addr_add+0x12f/0xa40 [ 8145.734864][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.734864][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.734864][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.734864][ T3767] netlink_unicast+0x449/0x710 [ 8145.734864][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.734864][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.734864][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.734864][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.734864][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.734864][ T3767] [ 8145.737006][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8145.737006][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8145.737006][ T3767] ipv6_find_idev+0x102/0x170 [ 8145.737006][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8145.737006][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.737006][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.737006][ T3767] netlink_unicast+0x449/0x710 [ 8145.737006][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.737006][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.737006][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.737006][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.737006][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.737006][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.737006][ T3767] [ 8145.738688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8145.738688][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8145.738688][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8145.738688][ T3767] ipv6_find_idev+0x102/0x170 [ 8145.738688][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8145.738688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.738688][ T3767] netlink_rcv_skb+0x130/0x360 [ 8145.738688][ T3767] netlink_unicast+0x449/0x710 [ 8145.738688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8145.738688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8145.738688][ T3767] ___sys_sendmsg+0xee/0x170 [ 8145.738688][ T3767] __sys_sendmsg+0xcd/0x170 [ 8145.738688][ T3767] do_syscall_64+0xc6/0x1e0 [ 8145.738688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.738688][ T3767] [ 8155.976031][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8155.976499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8155.976499][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8155.976499][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8155.976499][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8155.976499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8155.976499][ T3767] ip6_route_add+0x1c/0x140 [ 8155.976499][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8155.976499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.976499][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.976499][ T3767] netlink_unicast+0x449/0x710 [ 8155.976499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.976499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.976499][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.976499][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.976499][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.976499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.976499][ T3767] [ 8155.978576][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8155.978576][ T3767] netdev_get_by_index+0x5e/0x80 [ 8155.978576][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8155.978576][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8155.978576][ T3767] ip6_route_add+0x1c/0x140 [ 8155.978576][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8155.978576][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8155.978576][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.978576][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.978576][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.978576][ T3767] netlink_unicast+0x449/0x710 [ 8155.978576][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.978576][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.978576][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.978576][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.978576][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.978576][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.978576][ T3767] [ 8155.980764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8155.980764][ T3767] netdev_get_by_index+0x5e/0x80 [ 8155.980764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8155.980764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8155.980764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8155.980764][ T3767] ipv6_add_addr+0x411/0x2000 [ 8155.980764][ T3767] inet6_addr_add+0x30e/0xa40 [ 8155.980764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.980764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.980764][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.980764][ T3767] netlink_unicast+0x449/0x710 [ 8155.980764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.980764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.980764][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.980764][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.980764][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.980764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.980764][ T3767] [ 8155.982973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8155.982973][ T3767] netdev_get_by_index+0x5e/0x80 [ 8155.982973][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8155.982973][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8155.982973][ T3767] ip6_route_add+0x1c/0x140 [ 8155.982973][ T3767] addrconf_add_mroute+0x129/0x180 [ 8155.982973][ T3767] addrconf_add_dev+0xe2/0x170 [ 8155.982973][ T3767] inet6_addr_add+0x12f/0xa40 [ 8155.982973][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.982973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.982973][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.982973][ T3767] netlink_unicast+0x449/0x710 [ 8155.982973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.982973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.982973][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.982973][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.982973][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.982973][ T3767] [ 8155.985116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8155.985116][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8155.985116][ T3767] ipv6_find_idev+0x102/0x170 [ 8155.985116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8155.985116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.985116][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.985116][ T3767] netlink_unicast+0x449/0x710 [ 8155.985116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.985116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.985116][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.985116][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.985116][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.985116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.985116][ T3767] [ 8155.986795][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8155.986795][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8155.986795][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8155.986795][ T3767] ipv6_find_idev+0x102/0x170 [ 8155.986795][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8155.986795][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.986795][ T3767] netlink_rcv_skb+0x130/0x360 [ 8155.986795][ T3767] netlink_unicast+0x449/0x710 [ 8155.986795][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8155.986795][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8155.986795][ T3767] ___sys_sendmsg+0xee/0x170 [ 8155.986795][ T3767] __sys_sendmsg+0xcd/0x170 [ 8155.986795][ T3767] do_syscall_64+0xc6/0x1e0 [ 8155.986795][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.986795][ T3767] [ 8166.223941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8166.224441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8166.224441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8166.224441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8166.224441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8166.224441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8166.224441][ T3767] ip6_route_add+0x1c/0x140 [ 8166.224441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8166.224441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.224441][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.224441][ T3767] netlink_unicast+0x449/0x710 [ 8166.224441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.224441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.224441][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.224441][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.224441][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.224441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.224441][ T3767] [ 8166.226504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8166.226504][ T3767] netdev_get_by_index+0x5e/0x80 [ 8166.226504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8166.226504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8166.226504][ T3767] ip6_route_add+0x1c/0x140 [ 8166.226504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8166.226504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8166.226504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.226504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.226504][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.226504][ T3767] netlink_unicast+0x449/0x710 [ 8166.226504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.226504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.226504][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.226504][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.226504][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.226504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.226504][ T3767] [ 8166.228704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8166.228704][ T3767] netdev_get_by_index+0x5e/0x80 [ 8166.228704][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8166.228704][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8166.228704][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8166.228704][ T3767] ipv6_add_addr+0x411/0x2000 [ 8166.228704][ T3767] inet6_addr_add+0x30e/0xa40 [ 8166.228704][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.228704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.228704][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.228704][ T3767] netlink_unicast+0x449/0x710 [ 8166.228704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.228704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.228704][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.228704][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.228704][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.228704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.228704][ T3767] [ 8166.230883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8166.230883][ T3767] netdev_get_by_index+0x5e/0x80 [ 8166.230883][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8166.230883][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8166.230883][ T3767] ip6_route_add+0x1c/0x140 [ 8166.230883][ T3767] addrconf_add_mroute+0x129/0x180 [ 8166.230883][ T3767] addrconf_add_dev+0xe2/0x170 [ 8166.230883][ T3767] inet6_addr_add+0x12f/0xa40 [ 8166.230883][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.230883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.230883][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.230883][ T3767] netlink_unicast+0x449/0x710 [ 8166.230883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.230883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.230883][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.230883][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.230883][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.230883][ T3767] [ 8166.233033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8166.233033][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8166.233033][ T3767] ipv6_find_idev+0x102/0x170 [ 8166.233033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.233033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.233033][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.233033][ T3767] netlink_unicast+0x449/0x710 [ 8166.233033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.233033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.233033][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.233033][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.233033][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.233033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.233033][ T3767] [ 8166.234712][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8166.234712][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8166.234712][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8166.234712][ T3767] ipv6_find_idev+0x102/0x170 [ 8166.234712][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.234712][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.234712][ T3767] netlink_rcv_skb+0x130/0x360 [ 8166.234712][ T3767] netlink_unicast+0x449/0x710 [ 8166.234712][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8166.234712][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8166.234712][ T3767] ___sys_sendmsg+0xee/0x170 [ 8166.234712][ T3767] __sys_sendmsg+0xcd/0x170 [ 8166.234712][ T3767] do_syscall_64+0xc6/0x1e0 [ 8166.234712][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.234712][ T3767] [ 8176.471959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8176.472441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8176.472441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8176.472441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8176.472441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8176.472441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8176.472441][ T3767] ip6_route_add+0x1c/0x140 [ 8176.472441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8176.472441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.472441][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.472441][ T3767] netlink_unicast+0x449/0x710 [ 8176.472441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.472441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.472441][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.472441][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.472441][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.472441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8176.472441][ T3767] [ 8176.474509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8176.474509][ T3767] netdev_get_by_index+0x5e/0x80 [ 8176.474509][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8176.474509][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8176.474509][ T3767] ip6_route_add+0x1c/0x140 [ 8176.474509][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8176.474509][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8176.474509][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8176.474509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.474509][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.474509][ T3767] netlink_unicast+0x449/0x710 [ 8176.474509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.474509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.474509][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.474509][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.474509][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.474509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8176.474509][ T3767] [ 8176.476690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8176.476690][ T3767] netdev_get_by_index+0x5e/0x80 [ 8176.476690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8176.476690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8176.476690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8176.476690][ T3767] ipv6_add_addr+0x411/0x2000 [ 8176.476690][ T3767] inet6_addr_add+0x30e/0xa40 [ 8176.476690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8176.476690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.476690][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.476690][ T3767] netlink_unicast+0x449/0x710 [ 8176.476690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.476690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.476690][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.476690][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.476690][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.476690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8176.476690][ T3767] [ 8176.479729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8176.479729][ T3767] netdev_get_by_index+0x5e/0x80 [ 8176.479729][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8176.479729][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8176.479729][ T3767] ip6_route_add+0x1c/0x140 [ 8176.479729][ T3767] addrconf_add_mroute+0x129/0x180 [ 8176.479729][ T3767] addrconf_add_dev+0xe2/0x170 [ 8176.479729][ T3767] inet6_addr_add+0x12f/0xa40 [ 8176.479729][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8176.479729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.479729][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.479729][ T3767] netlink_unicast+0x449/0x710 [ 8176.479729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.479729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.479729][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.479729][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.479729][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.479729][ T3767] [ 8176.481873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8176.481873][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8176.481873][ T3767] ipv6_find_idev+0x102/0x170 [ 8176.481873][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8176.481873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.481873][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.481873][ T3767] netlink_unicast+0x449/0x710 [ 8176.481873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.481873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.481873][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.481873][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.481873][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.481873][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8176.481873][ T3767] [ 8176.483579][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8176.483579][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8176.483579][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8176.483579][ T3767] ipv6_find_idev+0x102/0x170 [ 8176.483579][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8176.483579][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8176.483579][ T3767] netlink_rcv_skb+0x130/0x360 [ 8176.483579][ T3767] netlink_unicast+0x449/0x710 [ 8176.483579][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8176.483579][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8176.483579][ T3767] ___sys_sendmsg+0xee/0x170 [ 8176.483579][ T3767] __sys_sendmsg+0xcd/0x170 [ 8176.483579][ T3767] do_syscall_64+0xc6/0x1e0 [ 8176.483579][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8176.483579][ T3767] [ 8186.543945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8186.544402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8186.544402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8186.544402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8186.544402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8186.544402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8186.544402][ T3767] ip6_route_add+0x1c/0x140 [ 8186.544402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8186.544402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.544402][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.544402][ T3767] netlink_unicast+0x449/0x710 [ 8186.544402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.544402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.544402][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.544402][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.544402][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.544402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8186.544402][ T3767] [ 8186.546829][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8186.546829][ T3767] netdev_get_by_index+0x5e/0x80 [ 8186.546829][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8186.546829][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8186.546829][ T3767] ip6_route_add+0x1c/0x140 [ 8186.546829][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8186.546829][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8186.546829][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8186.546829][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.546829][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.546829][ T3767] netlink_unicast+0x449/0x710 [ 8186.546829][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.546829][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.546829][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.546829][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.546829][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.546829][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8186.546829][ T3767] [ 8186.549399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8186.549399][ T3767] netdev_get_by_index+0x5e/0x80 [ 8186.549399][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8186.549399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8186.549399][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8186.549399][ T3767] ipv6_add_addr+0x411/0x2000 [ 8186.549399][ T3767] inet6_addr_add+0x30e/0xa40 [ 8186.549399][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8186.549399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.549399][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.549399][ T3767] netlink_unicast+0x449/0x710 [ 8186.549399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.549399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.549399][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.549399][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.549399][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.549399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8186.549399][ T3767] [ 8186.551960][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8186.551960][ T3767] netdev_get_by_index+0x5e/0x80 [ 8186.551960][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8186.551960][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8186.551960][ T3767] ip6_route_add+0x1c/0x140 [ 8186.551960][ T3767] addrconf_add_mroute+0x129/0x180 [ 8186.551960][ T3767] addrconf_add_dev+0xe2/0x170 [ 8186.551960][ T3767] inet6_addr_add+0x12f/0xa40 [ 8186.551960][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8186.551960][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.551960][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.551960][ T3767] netlink_unicast+0x449/0x710 [ 8186.551960][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.551960][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.551960][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.551960][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.551960][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.551960][ T3767] [ 8186.554480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8186.554480][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8186.554480][ T3767] ipv6_find_idev+0x102/0x170 [ 8186.554480][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8186.554480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.554480][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.554480][ T3767] netlink_unicast+0x449/0x710 [ 8186.554480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.554480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.554480][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.554480][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.554480][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.554480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8186.554480][ T3767] [ 8186.556448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8186.556448][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8186.556448][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8186.556448][ T3767] ipv6_find_idev+0x102/0x170 [ 8186.556448][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8186.556448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8186.556448][ T3767] netlink_rcv_skb+0x130/0x360 [ 8186.556448][ T3767] netlink_unicast+0x449/0x710 [ 8186.556448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8186.556448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8186.556448][ T3767] ___sys_sendmsg+0xee/0x170 [ 8186.556448][ T3767] __sys_sendmsg+0xcd/0x170 [ 8186.556448][ T3767] do_syscall_64+0xc6/0x1e0 [ 8186.556448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8186.556448][ T3767] [ 8196.799935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8196.800381][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8196.800381][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8196.800381][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8196.800381][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8196.800381][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8196.800381][ T3767] ip6_route_add+0x1c/0x140 [ 8196.800381][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8196.800381][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.800381][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.800381][ T3767] netlink_unicast+0x449/0x710 [ 8196.800381][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.800381][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.800381][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.800381][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.800381][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.800381][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.800381][ T3767] [ 8196.802572][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8196.802572][ T3767] netdev_get_by_index+0x5e/0x80 [ 8196.802572][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8196.802572][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8196.802572][ T3767] ip6_route_add+0x1c/0x140 [ 8196.802572][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8196.802572][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8196.802572][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.802572][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.802572][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.802572][ T3767] netlink_unicast+0x449/0x710 [ 8196.802572][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.802572][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.802572][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.802572][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.802572][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.802572][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.802572][ T3767] [ 8196.804878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8196.804878][ T3767] netdev_get_by_index+0x5e/0x80 [ 8196.804878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8196.804878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8196.804878][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8196.804878][ T3767] ipv6_add_addr+0x411/0x2000 [ 8196.804878][ T3767] inet6_addr_add+0x30e/0xa40 [ 8196.804878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.804878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.804878][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.804878][ T3767] netlink_unicast+0x449/0x710 [ 8196.804878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.804878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.804878][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.804878][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.804878][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.804878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.804878][ T3767] [ 8196.807197][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8196.807197][ T3767] netdev_get_by_index+0x5e/0x80 [ 8196.807197][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8196.807197][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8196.807197][ T3767] ip6_route_add+0x1c/0x140 [ 8196.807197][ T3767] addrconf_add_mroute+0x129/0x180 [ 8196.807197][ T3767] addrconf_add_dev+0xe2/0x170 [ 8196.807197][ T3767] inet6_addr_add+0x12f/0xa40 [ 8196.807197][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.807197][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.807197][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.807197][ T3767] netlink_unicast+0x449/0x710 [ 8196.807197][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.807197][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.807197][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.807197][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.807197][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.807197][ T3767] [ 8196.809479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8196.809479][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8196.809479][ T3767] ipv6_find_idev+0x102/0x170 [ 8196.809479][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8196.809479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.809479][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.809479][ T3767] netlink_unicast+0x449/0x710 [ 8196.809479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.809479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.809479][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.809479][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.809479][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.809479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.809479][ T3767] [ 8196.811277][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8196.811277][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8196.811277][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8196.811277][ T3767] ipv6_find_idev+0x102/0x170 [ 8196.811277][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8196.811277][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.811277][ T3767] netlink_rcv_skb+0x130/0x360 [ 8196.811277][ T3767] netlink_unicast+0x449/0x710 [ 8196.811277][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8196.811277][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8196.811277][ T3767] ___sys_sendmsg+0xee/0x170 [ 8196.811277][ T3767] __sys_sendmsg+0xcd/0x170 [ 8196.811277][ T3767] do_syscall_64+0xc6/0x1e0 [ 8196.811277][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.811277][ T3767] [ 8207.055968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8207.056455][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8207.056455][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8207.056455][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8207.056455][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8207.056455][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8207.056455][ T3767] ip6_route_add+0x1c/0x140 [ 8207.056455][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8207.056455][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.056455][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.056455][ T3767] netlink_unicast+0x449/0x710 [ 8207.056455][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.056455][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.056455][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.056455][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.056455][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.056455][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.056455][ T3767] [ 8207.058670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8207.058670][ T3767] netdev_get_by_index+0x5e/0x80 [ 8207.058670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8207.058670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8207.058670][ T3767] ip6_route_add+0x1c/0x140 [ 8207.058670][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8207.058670][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8207.058670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.058670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.058670][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.058670][ T3767] netlink_unicast+0x449/0x710 [ 8207.058670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.058670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.058670][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.058670][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.058670][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.058670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.058670][ T3767] [ 8207.060965][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8207.060965][ T3767] netdev_get_by_index+0x5e/0x80 [ 8207.060965][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8207.060965][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8207.060965][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8207.060965][ T3767] ipv6_add_addr+0x411/0x2000 [ 8207.060965][ T3767] inet6_addr_add+0x30e/0xa40 [ 8207.060965][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.060965][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.060965][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.060965][ T3767] netlink_unicast+0x449/0x710 [ 8207.060965][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.060965][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.060965][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.060965][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.060965][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.060965][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.060965][ T3767] [ 8207.063280][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8207.063280][ T3767] netdev_get_by_index+0x5e/0x80 [ 8207.063280][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8207.063280][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8207.063280][ T3767] ip6_route_add+0x1c/0x140 [ 8207.063280][ T3767] addrconf_add_mroute+0x129/0x180 [ 8207.063280][ T3767] addrconf_add_dev+0xe2/0x170 [ 8207.063280][ T3767] inet6_addr_add+0x12f/0xa40 [ 8207.063280][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.063280][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.063280][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.063280][ T3767] netlink_unicast+0x449/0x710 [ 8207.063280][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.063280][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.063280][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.063280][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.063280][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.063280][ T3767] [ 8207.065538][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8207.065538][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8207.065538][ T3767] ipv6_find_idev+0x102/0x170 [ 8207.065538][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.065538][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.065538][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.065538][ T3767] netlink_unicast+0x449/0x710 [ 8207.065538][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.065538][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.065538][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.065538][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.065538][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.065538][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.065538][ T3767] [ 8207.067303][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8207.067303][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8207.067303][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8207.067303][ T3767] ipv6_find_idev+0x102/0x170 [ 8207.067303][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.067303][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.067303][ T3767] netlink_rcv_skb+0x130/0x360 [ 8207.067303][ T3767] netlink_unicast+0x449/0x710 [ 8207.067303][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8207.067303][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8207.067303][ T3767] ___sys_sendmsg+0xee/0x170 [ 8207.067303][ T3767] __sys_sendmsg+0xcd/0x170 [ 8207.067303][ T3767] do_syscall_64+0xc6/0x1e0 [ 8207.067303][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.067303][ T3767] [ 8217.319955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8217.320452][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8217.320452][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8217.320452][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8217.320452][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8217.320452][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8217.320452][ T3767] ip6_route_add+0x1c/0x140 [ 8217.320452][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8217.320452][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.320452][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.320452][ T3767] netlink_unicast+0x449/0x710 [ 8217.320452][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.320452][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.320452][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.320452][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.320452][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.320452][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8217.320452][ T3767] [ 8217.322634][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8217.322634][ T3767] netdev_get_by_index+0x5e/0x80 [ 8217.322634][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8217.322634][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8217.322634][ T3767] ip6_route_add+0x1c/0x140 [ 8217.322634][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8217.322634][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8217.322634][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8217.322634][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.322634][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.322634][ T3767] netlink_unicast+0x449/0x710 [ 8217.322634][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.322634][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.322634][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.322634][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.322634][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.322634][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8217.322634][ T3767] [ 8217.324925][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8217.324925][ T3767] netdev_get_by_index+0x5e/0x80 [ 8217.324925][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8217.324925][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8217.324925][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8217.324925][ T3767] ipv6_add_addr+0x411/0x2000 [ 8217.324925][ T3767] inet6_addr_add+0x30e/0xa40 [ 8217.324925][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8217.324925][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.324925][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.324925][ T3767] netlink_unicast+0x449/0x710 [ 8217.324925][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.324925][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.324925][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.324925][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.324925][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.324925][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8217.324925][ T3767] [ 8217.327701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8217.327701][ T3767] netdev_get_by_index+0x5e/0x80 [ 8217.327701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8217.327701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8217.327701][ T3767] ip6_route_add+0x1c/0x140 [ 8217.327701][ T3767] addrconf_add_mroute+0x129/0x180 [ 8217.327701][ T3767] addrconf_add_dev+0xe2/0x170 [ 8217.327701][ T3767] inet6_addr_add+0x12f/0xa40 [ 8217.327701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8217.327701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.327701][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.327701][ T3767] netlink_unicast+0x449/0x710 [ 8217.327701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.327701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.327701][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.327701][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.327701][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.327701][ T3767] [ 8217.329958][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8217.329958][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8217.329958][ T3767] ipv6_find_idev+0x102/0x170 [ 8217.329958][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8217.329958][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.329958][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.329958][ T3767] netlink_unicast+0x449/0x710 [ 8217.329958][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.329958][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.329958][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.329958][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.329958][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.329958][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8217.329958][ T3767] [ 8217.331717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8217.331717][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8217.331717][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8217.331717][ T3767] ipv6_find_idev+0x102/0x170 [ 8217.331717][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8217.331717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8217.331717][ T3767] netlink_rcv_skb+0x130/0x360 [ 8217.331717][ T3767] netlink_unicast+0x449/0x710 [ 8217.331717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8217.331717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8217.331717][ T3767] ___sys_sendmsg+0xee/0x170 [ 8217.331717][ T3767] __sys_sendmsg+0xcd/0x170 [ 8217.331717][ T3767] do_syscall_64+0xc6/0x1e0 [ 8217.331717][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8217.331717][ T3767] [ 8227.575859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8227.576348][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8227.576348][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8227.576348][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8227.576348][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8227.576348][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8227.576348][ T3767] ip6_route_add+0x1c/0x140 [ 8227.576348][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8227.576348][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.576348][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.576348][ T3767] netlink_unicast+0x449/0x710 [ 8227.576348][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.576348][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.576348][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.576348][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.576348][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.576348][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8227.576348][ T3767] [ 8227.578515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8227.578515][ T3767] netdev_get_by_index+0x5e/0x80 [ 8227.578515][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8227.578515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8227.578515][ T3767] ip6_route_add+0x1c/0x140 [ 8227.578515][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8227.578515][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8227.578515][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8227.578515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.578515][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.578515][ T3767] netlink_unicast+0x449/0x710 [ 8227.578515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.578515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.578515][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.578515][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.578515][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.578515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8227.578515][ T3767] [ 8227.580793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8227.580793][ T3767] netdev_get_by_index+0x5e/0x80 [ 8227.580793][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8227.580793][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8227.580793][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8227.580793][ T3767] ipv6_add_addr+0x411/0x2000 [ 8227.580793][ T3767] inet6_addr_add+0x30e/0xa40 [ 8227.580793][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8227.580793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.580793][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.580793][ T3767] netlink_unicast+0x449/0x710 [ 8227.580793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.580793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.580793][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.580793][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.580793][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.580793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8227.580793][ T3767] [ 8227.583074][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8227.583074][ T3767] netdev_get_by_index+0x5e/0x80 [ 8227.583074][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8227.583074][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8227.583074][ T3767] ip6_route_add+0x1c/0x140 [ 8227.583074][ T3767] addrconf_add_mroute+0x129/0x180 [ 8227.583074][ T3767] addrconf_add_dev+0xe2/0x170 [ 8227.583074][ T3767] inet6_addr_add+0x12f/0xa40 [ 8227.583074][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8227.583074][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.583074][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.583074][ T3767] netlink_unicast+0x449/0x710 [ 8227.583074][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.583074][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.583074][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.583074][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.583074][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.583074][ T3767] [ 8227.585331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8227.585331][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8227.585331][ T3767] ipv6_find_idev+0x102/0x170 [ 8227.585331][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8227.585331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.585331][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.585331][ T3767] netlink_unicast+0x449/0x710 [ 8227.585331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.585331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.585331][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.585331][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.585331][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.585331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8227.585331][ T3767] [ 8227.587080][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8227.587080][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8227.587080][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8227.587080][ T3767] ipv6_find_idev+0x102/0x170 [ 8227.587080][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8227.587080][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8227.587080][ T3767] netlink_rcv_skb+0x130/0x360 [ 8227.587080][ T3767] netlink_unicast+0x449/0x710 [ 8227.587080][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8227.587080][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8227.587080][ T3767] ___sys_sendmsg+0xee/0x170 [ 8227.587080][ T3767] __sys_sendmsg+0xcd/0x170 [ 8227.587080][ T3767] do_syscall_64+0xc6/0x1e0 [ 8227.587080][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8227.587080][ T3767] [ 8237.807960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8237.808447][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8237.808447][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8237.808447][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8237.808447][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8237.808447][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8237.808447][ T3767] ip6_route_add+0x1c/0x140 [ 8237.808447][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8237.808447][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.808447][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.808447][ T3767] netlink_unicast+0x449/0x710 [ 8237.808447][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.808447][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.808447][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.808447][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.808447][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.808447][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8237.808447][ T3767] [ 8237.810601][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8237.810601][ T3767] netdev_get_by_index+0x5e/0x80 [ 8237.810601][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8237.810601][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8237.810601][ T3767] ip6_route_add+0x1c/0x140 [ 8237.810601][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8237.810601][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8237.810601][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8237.810601][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.810601][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.810601][ T3767] netlink_unicast+0x449/0x710 [ 8237.810601][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.810601][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.810601][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.810601][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.810601][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.810601][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8237.810601][ T3767] [ 8237.812880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8237.812880][ T3767] netdev_get_by_index+0x5e/0x80 [ 8237.812880][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8237.812880][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8237.812880][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8237.812880][ T3767] ipv6_add_addr+0x411/0x2000 [ 8237.812880][ T3767] inet6_addr_add+0x30e/0xa40 [ 8237.812880][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8237.812880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.812880][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.812880][ T3767] netlink_unicast+0x449/0x710 [ 8237.812880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.812880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.812880][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.812880][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.812880][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.812880][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8237.812880][ T3767] [ 8237.815169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8237.815169][ T3767] netdev_get_by_index+0x5e/0x80 [ 8237.815169][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8237.815169][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8237.815169][ T3767] ip6_route_add+0x1c/0x140 [ 8237.815169][ T3767] addrconf_add_mroute+0x129/0x180 [ 8237.815169][ T3767] addrconf_add_dev+0xe2/0x170 [ 8237.815169][ T3767] inet6_addr_add+0x12f/0xa40 [ 8237.815169][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8237.815169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.815169][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.815169][ T3767] netlink_unicast+0x449/0x710 [ 8237.815169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.815169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.815169][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.815169][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.815169][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.815169][ T3767] [ 8237.817404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8237.817404][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8237.817404][ T3767] ipv6_find_idev+0x102/0x170 [ 8237.817404][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8237.817404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.817404][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.817404][ T3767] netlink_unicast+0x449/0x710 [ 8237.817404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.817404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.817404][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.817404][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.817404][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.817404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8237.817404][ T3767] [ 8237.819168][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8237.819168][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8237.819168][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8237.819168][ T3767] ipv6_find_idev+0x102/0x170 [ 8237.819168][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8237.819168][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8237.819168][ T3767] netlink_rcv_skb+0x130/0x360 [ 8237.819168][ T3767] netlink_unicast+0x449/0x710 [ 8237.819168][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8237.819168][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8237.819168][ T3767] ___sys_sendmsg+0xee/0x170 [ 8237.819168][ T3767] __sys_sendmsg+0xcd/0x170 [ 8237.819168][ T3767] do_syscall_64+0xc6/0x1e0 [ 8237.819168][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8237.819168][ T3767] [ 8248.063943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8248.064442][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8248.064442][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8248.064442][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8248.064442][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8248.064442][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8248.064442][ T3767] ip6_route_add+0x1c/0x140 [ 8248.064442][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8248.064442][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.064442][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.064442][ T3767] netlink_unicast+0x449/0x710 [ 8248.064442][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.064442][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.064442][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.064442][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.064442][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.064442][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.064442][ T3767] [ 8248.066627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8248.066627][ T3767] netdev_get_by_index+0x5e/0x80 [ 8248.066627][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8248.066627][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8248.066627][ T3767] ip6_route_add+0x1c/0x140 [ 8248.066627][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8248.066627][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8248.066627][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.066627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.066627][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.066627][ T3767] netlink_unicast+0x449/0x710 [ 8248.066627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.066627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.066627][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.066627][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.066627][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.066627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.066627][ T3767] [ 8248.068934][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8248.068934][ T3767] netdev_get_by_index+0x5e/0x80 [ 8248.068934][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8248.068934][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8248.068934][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8248.068934][ T3767] ipv6_add_addr+0x411/0x2000 [ 8248.068934][ T3767] inet6_addr_add+0x30e/0xa40 [ 8248.068934][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.068934][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.068934][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.068934][ T3767] netlink_unicast+0x449/0x710 [ 8248.068934][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.068934][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.068934][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.068934][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.068934][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.068934][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.068934][ T3767] [ 8248.071233][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8248.071233][ T3767] netdev_get_by_index+0x5e/0x80 [ 8248.071233][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8248.071233][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8248.071233][ T3767] ip6_route_add+0x1c/0x140 [ 8248.071233][ T3767] addrconf_add_mroute+0x129/0x180 [ 8248.071233][ T3767] addrconf_add_dev+0xe2/0x170 [ 8248.071233][ T3767] inet6_addr_add+0x12f/0xa40 [ 8248.071233][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.071233][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.071233][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.071233][ T3767] netlink_unicast+0x449/0x710 [ 8248.071233][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.071233][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.071233][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.071233][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.071233][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.071233][ T3767] [ 8248.073509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8248.073509][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8248.073509][ T3767] ipv6_find_idev+0x102/0x170 [ 8248.073509][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.073509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.073509][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.073509][ T3767] netlink_unicast+0x449/0x710 [ 8248.073509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.073509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.073509][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.073509][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.073509][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.073509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.073509][ T3767] [ 8248.075278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8248.075278][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8248.075278][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8248.075278][ T3767] ipv6_find_idev+0x102/0x170 [ 8248.075278][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.075278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.075278][ T3767] netlink_rcv_skb+0x130/0x360 [ 8248.075278][ T3767] netlink_unicast+0x449/0x710 [ 8248.075278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8248.075278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8248.075278][ T3767] ___sys_sendmsg+0xee/0x170 [ 8248.075278][ T3767] __sys_sendmsg+0xcd/0x170 [ 8248.075278][ T3767] do_syscall_64+0xc6/0x1e0 [ 8248.075278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.075278][ T3767] [ 8258.320028][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8258.320511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8258.320511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8258.320511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8258.320511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8258.320511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8258.320511][ T3767] ip6_route_add+0x1c/0x140 [ 8258.320511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8258.320511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.320511][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.320511][ T3767] netlink_unicast+0x449/0x710 [ 8258.320511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.320511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.320511][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.320511][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.320511][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.320511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.320511][ T3767] [ 8258.322686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8258.322686][ T3767] netdev_get_by_index+0x5e/0x80 [ 8258.322686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8258.322686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8258.322686][ T3767] ip6_route_add+0x1c/0x140 [ 8258.322686][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8258.322686][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8258.322686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.322686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.322686][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.322686][ T3767] netlink_unicast+0x449/0x710 [ 8258.322686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.322686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.322686][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.322686][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.322686][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.322686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.322686][ T3767] [ 8258.324954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8258.324954][ T3767] netdev_get_by_index+0x5e/0x80 [ 8258.324954][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8258.324954][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8258.324954][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8258.324954][ T3767] ipv6_add_addr+0x411/0x2000 [ 8258.324954][ T3767] inet6_addr_add+0x30e/0xa40 [ 8258.324954][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.324954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.324954][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.324954][ T3767] netlink_unicast+0x449/0x710 [ 8258.324954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.324954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.324954][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.324954][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.324954][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.324954][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.324954][ T3767] [ 8258.327222][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8258.327222][ T3767] netdev_get_by_index+0x5e/0x80 [ 8258.327222][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8258.327222][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8258.327222][ T3767] ip6_route_add+0x1c/0x140 [ 8258.327222][ T3767] addrconf_add_mroute+0x129/0x180 [ 8258.327222][ T3767] addrconf_add_dev+0xe2/0x170 [ 8258.327222][ T3767] inet6_addr_add+0x12f/0xa40 [ 8258.327222][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.327222][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.327222][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.327222][ T3767] netlink_unicast+0x449/0x710 [ 8258.327222][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.327222][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.327222][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.327222][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.327222][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.327222][ T3767] [ 8258.329472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8258.329472][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8258.329472][ T3767] ipv6_find_idev+0x102/0x170 [ 8258.329472][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.329472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.329472][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.329472][ T3767] netlink_unicast+0x449/0x710 [ 8258.329472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.329472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.329472][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.329472][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.329472][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.329472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.329472][ T3767] [ 8258.331225][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8258.331225][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8258.331225][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8258.331225][ T3767] ipv6_find_idev+0x102/0x170 [ 8258.331225][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.331225][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.331225][ T3767] netlink_rcv_skb+0x130/0x360 [ 8258.331225][ T3767] netlink_unicast+0x449/0x710 [ 8258.331225][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8258.331225][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8258.331225][ T3767] ___sys_sendmsg+0xee/0x170 [ 8258.331225][ T3767] __sys_sendmsg+0xcd/0x170 [ 8258.331225][ T3767] do_syscall_64+0xc6/0x1e0 [ 8258.331225][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.331225][ T3767] [ 8268.575939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8268.576423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8268.576423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8268.576423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8268.576423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8268.576423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8268.576423][ T3767] ip6_route_add+0x1c/0x140 [ 8268.576423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8268.576423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.576423][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.576423][ T3767] netlink_unicast+0x449/0x710 [ 8268.576423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.576423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.576423][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.576423][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.576423][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.576423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.576423][ T3767] [ 8268.578614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8268.578614][ T3767] netdev_get_by_index+0x5e/0x80 [ 8268.578614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8268.578614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8268.578614][ T3767] ip6_route_add+0x1c/0x140 [ 8268.578614][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8268.578614][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8268.578614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8268.578614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.578614][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.578614][ T3767] netlink_unicast+0x449/0x710 [ 8268.578614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.578614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.578614][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.578614][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.578614][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.578614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.578614][ T3767] [ 8268.580891][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8268.580891][ T3767] netdev_get_by_index+0x5e/0x80 [ 8268.580891][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8268.580891][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8268.580891][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8268.580891][ T3767] ipv6_add_addr+0x411/0x2000 [ 8268.580891][ T3767] inet6_addr_add+0x30e/0xa40 [ 8268.580891][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8268.580891][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.580891][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.580891][ T3767] netlink_unicast+0x449/0x710 [ 8268.580891][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.580891][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.580891][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.580891][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.580891][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.580891][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.580891][ T3767] [ 8268.583156][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8268.583156][ T3767] netdev_get_by_index+0x5e/0x80 [ 8268.583156][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8268.583156][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8268.583156][ T3767] ip6_route_add+0x1c/0x140 [ 8268.583156][ T3767] addrconf_add_mroute+0x129/0x180 [ 8268.583156][ T3767] addrconf_add_dev+0xe2/0x170 [ 8268.583156][ T3767] inet6_addr_add+0x12f/0xa40 [ 8268.583156][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8268.583156][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.583156][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.583156][ T3767] netlink_unicast+0x449/0x710 [ 8268.583156][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.583156][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.583156][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.583156][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.583156][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.583156][ T3767] [ 8268.585410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8268.585410][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8268.585410][ T3767] ipv6_find_idev+0x102/0x170 [ 8268.585410][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8268.585410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.585410][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.585410][ T3767] netlink_unicast+0x449/0x710 [ 8268.585410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.585410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.585410][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.585410][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.585410][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.585410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.585410][ T3767] [ 8268.587178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8268.587178][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8268.587178][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8268.587178][ T3767] ipv6_find_idev+0x102/0x170 [ 8268.587178][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8268.587178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.587178][ T3767] netlink_rcv_skb+0x130/0x360 [ 8268.587178][ T3767] netlink_unicast+0x449/0x710 [ 8268.587178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8268.587178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8268.587178][ T3767] ___sys_sendmsg+0xee/0x170 [ 8268.587178][ T3767] __sys_sendmsg+0xcd/0x170 [ 8268.587178][ T3767] do_syscall_64+0xc6/0x1e0 [ 8268.587178][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.587178][ T3767] [ 8278.831963][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8278.832443][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8278.832443][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8278.832443][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8278.832443][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8278.832443][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8278.832443][ T3767] ip6_route_add+0x1c/0x140 [ 8278.832443][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8278.832443][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.832443][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.832443][ T3767] netlink_unicast+0x449/0x710 [ 8278.832443][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.832443][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.832443][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.832443][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.832443][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.832443][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.832443][ T3767] [ 8278.834610][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8278.834610][ T3767] netdev_get_by_index+0x5e/0x80 [ 8278.834610][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8278.834610][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8278.834610][ T3767] ip6_route_add+0x1c/0x140 [ 8278.834610][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8278.834610][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8278.834610][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8278.834610][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.834610][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.834610][ T3767] netlink_unicast+0x449/0x710 [ 8278.834610][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.834610][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.834610][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.834610][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.834610][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.834610][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.834610][ T3767] [ 8278.836881][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8278.836881][ T3767] netdev_get_by_index+0x5e/0x80 [ 8278.836881][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8278.836881][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8278.836881][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8278.836881][ T3767] ipv6_add_addr+0x411/0x2000 [ 8278.836881][ T3767] inet6_addr_add+0x30e/0xa40 [ 8278.836881][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8278.836881][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.836881][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.836881][ T3767] netlink_unicast+0x449/0x710 [ 8278.836881][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.836881][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.836881][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.836881][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.836881][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.836881][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.836881][ T3767] [ 8278.839154][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8278.839154][ T3767] netdev_get_by_index+0x5e/0x80 [ 8278.839154][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8278.839154][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8278.839154][ T3767] ip6_route_add+0x1c/0x140 [ 8278.839154][ T3767] addrconf_add_mroute+0x129/0x180 [ 8278.839154][ T3767] addrconf_add_dev+0xe2/0x170 [ 8278.839154][ T3767] inet6_addr_add+0x12f/0xa40 [ 8278.839154][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8278.839154][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.839154][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.839154][ T3767] netlink_unicast+0x449/0x710 [ 8278.839154][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.839154][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.839154][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.839154][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.839154][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.839154][ T3767] [ 8278.841386][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8278.841386][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8278.841386][ T3767] ipv6_find_idev+0x102/0x170 [ 8278.841386][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8278.841386][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.841386][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.841386][ T3767] netlink_unicast+0x449/0x710 [ 8278.841386][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.841386][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.841386][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.841386][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.841386][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.841386][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.841386][ T3767] [ 8278.843131][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8278.843131][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8278.843131][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8278.843131][ T3767] ipv6_find_idev+0x102/0x170 [ 8278.843131][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8278.843131][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.843131][ T3767] netlink_rcv_skb+0x130/0x360 [ 8278.843131][ T3767] netlink_unicast+0x449/0x710 [ 8278.843131][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8278.843131][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8278.843131][ T3767] ___sys_sendmsg+0xee/0x170 [ 8278.843131][ T3767] __sys_sendmsg+0xcd/0x170 [ 8278.843131][ T3767] do_syscall_64+0xc6/0x1e0 [ 8278.843131][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.843131][ T3767] [ 8289.088027][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8289.088511][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8289.088511][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8289.088511][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8289.088511][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8289.088511][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8289.088511][ T3767] ip6_route_add+0x1c/0x140 [ 8289.088511][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8289.088511][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.088511][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.088511][ T3767] netlink_unicast+0x449/0x710 [ 8289.088511][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.088511][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.088511][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.088511][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.088511][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.088511][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.088511][ T3767] [ 8289.090664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8289.090664][ T3767] netdev_get_by_index+0x5e/0x80 [ 8289.090664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8289.090664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8289.090664][ T3767] ip6_route_add+0x1c/0x140 [ 8289.090664][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8289.090664][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8289.090664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.090664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.090664][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.090664][ T3767] netlink_unicast+0x449/0x710 [ 8289.090664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.090664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.090664][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.090664][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.090664][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.090664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.090664][ T3767] [ 8289.092932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8289.092932][ T3767] netdev_get_by_index+0x5e/0x80 [ 8289.092932][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8289.092932][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8289.092932][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8289.092932][ T3767] ipv6_add_addr+0x411/0x2000 [ 8289.092932][ T3767] inet6_addr_add+0x30e/0xa40 [ 8289.092932][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.092932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.092932][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.092932][ T3767] netlink_unicast+0x449/0x710 [ 8289.092932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.092932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.092932][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.092932][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.092932][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.092932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.092932][ T3767] [ 8289.095200][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8289.095200][ T3767] netdev_get_by_index+0x5e/0x80 [ 8289.095200][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8289.095200][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8289.095200][ T3767] ip6_route_add+0x1c/0x140 [ 8289.095200][ T3767] addrconf_add_mroute+0x129/0x180 [ 8289.095200][ T3767] addrconf_add_dev+0xe2/0x170 [ 8289.095200][ T3767] inet6_addr_add+0x12f/0xa40 [ 8289.095200][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.095200][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.095200][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.095200][ T3767] netlink_unicast+0x449/0x710 [ 8289.095200][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.095200][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.095200][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.095200][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.095200][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.095200][ T3767] [ 8289.097431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8289.097431][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8289.097431][ T3767] ipv6_find_idev+0x102/0x170 [ 8289.097431][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.097431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.097431][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.097431][ T3767] netlink_unicast+0x449/0x710 [ 8289.097431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.097431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.097431][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.097431][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.097431][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.097431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.097431][ T3767] [ 8289.099192][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8289.099192][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8289.099192][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8289.099192][ T3767] ipv6_find_idev+0x102/0x170 [ 8289.099192][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.099192][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.099192][ T3767] netlink_rcv_skb+0x130/0x360 [ 8289.099192][ T3767] netlink_unicast+0x449/0x710 [ 8289.099192][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8289.099192][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8289.099192][ T3767] ___sys_sendmsg+0xee/0x170 [ 8289.099192][ T3767] __sys_sendmsg+0xcd/0x170 [ 8289.099192][ T3767] do_syscall_64+0xc6/0x1e0 [ 8289.099192][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.099192][ T3767] [ 8299.343960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8299.344373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8299.344373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8299.344373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8299.344373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8299.344373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8299.344373][ T3767] ip6_route_add+0x1c/0x140 [ 8299.344373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8299.344373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.344373][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.344373][ T3767] netlink_unicast+0x449/0x710 [ 8299.344373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.344373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.344373][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.344373][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.344373][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.344373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.344373][ T3767] [ 8299.346520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8299.346520][ T3767] netdev_get_by_index+0x5e/0x80 [ 8299.346520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8299.346520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8299.346520][ T3767] ip6_route_add+0x1c/0x140 [ 8299.346520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8299.346520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8299.346520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.346520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.346520][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.346520][ T3767] netlink_unicast+0x449/0x710 [ 8299.346520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.346520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.346520][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.346520][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.346520][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.346520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.346520][ T3767] [ 8299.349289][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8299.349289][ T3767] netdev_get_by_index+0x5e/0x80 [ 8299.349289][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8299.349289][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8299.349289][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8299.349289][ T3767] ipv6_add_addr+0x411/0x2000 [ 8299.349289][ T3767] inet6_addr_add+0x30e/0xa40 [ 8299.349289][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.349289][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.349289][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.349289][ T3767] netlink_unicast+0x449/0x710 [ 8299.349289][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.349289][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.349289][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.349289][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.349289][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.349289][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.349289][ T3767] [ 8299.351552][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8299.351552][ T3767] netdev_get_by_index+0x5e/0x80 [ 8299.351552][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8299.351552][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8299.351552][ T3767] ip6_route_add+0x1c/0x140 [ 8299.351552][ T3767] addrconf_add_mroute+0x129/0x180 [ 8299.351552][ T3767] addrconf_add_dev+0xe2/0x170 [ 8299.351552][ T3767] inet6_addr_add+0x12f/0xa40 [ 8299.351552][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.351552][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.351552][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.351552][ T3767] netlink_unicast+0x449/0x710 [ 8299.351552][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.351552][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.351552][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.351552][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.351552][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.351552][ T3767] [ 8299.353778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8299.353778][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8299.353778][ T3767] ipv6_find_idev+0x102/0x170 [ 8299.353778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.353778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.353778][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.353778][ T3767] netlink_unicast+0x449/0x710 [ 8299.353778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.353778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.353778][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.353778][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.353778][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.353778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.353778][ T3767] [ 8299.355522][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8299.355522][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8299.355522][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8299.355522][ T3767] ipv6_find_idev+0x102/0x170 [ 8299.355522][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.355522][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.355522][ T3767] netlink_rcv_skb+0x130/0x360 [ 8299.355522][ T3767] netlink_unicast+0x449/0x710 [ 8299.355522][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8299.355522][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8299.355522][ T3767] ___sys_sendmsg+0xee/0x170 [ 8299.355522][ T3767] __sys_sendmsg+0xcd/0x170 [ 8299.355522][ T3767] do_syscall_64+0xc6/0x1e0 [ 8299.355522][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.355522][ T3767] [ 8309.599931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8309.600410][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8309.600410][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8309.600410][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8309.600410][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8309.600410][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8309.600410][ T3767] ip6_route_add+0x1c/0x140 [ 8309.600410][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8309.600410][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.600410][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.600410][ T3767] netlink_unicast+0x449/0x710 [ 8309.600410][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.600410][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.600410][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.600410][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.600410][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.600410][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.600410][ T3767] [ 8309.602580][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8309.602580][ T3767] netdev_get_by_index+0x5e/0x80 [ 8309.602580][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8309.602580][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8309.602580][ T3767] ip6_route_add+0x1c/0x140 [ 8309.602580][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8309.602580][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8309.602580][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.602580][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.602580][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.602580][ T3767] netlink_unicast+0x449/0x710 [ 8309.602580][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.602580][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.602580][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.602580][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.602580][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.602580][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.602580][ T3767] [ 8309.604859][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8309.604859][ T3767] netdev_get_by_index+0x5e/0x80 [ 8309.604859][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8309.604859][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8309.604859][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8309.604859][ T3767] ipv6_add_addr+0x411/0x2000 [ 8309.604859][ T3767] inet6_addr_add+0x30e/0xa40 [ 8309.604859][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.604859][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.604859][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.604859][ T3767] netlink_unicast+0x449/0x710 [ 8309.604859][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.604859][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.604859][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.604859][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.604859][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.604859][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.604859][ T3767] [ 8309.607146][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8309.607146][ T3767] netdev_get_by_index+0x5e/0x80 [ 8309.607146][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8309.607146][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8309.607146][ T3767] ip6_route_add+0x1c/0x140 [ 8309.607146][ T3767] addrconf_add_mroute+0x129/0x180 [ 8309.607146][ T3767] addrconf_add_dev+0xe2/0x170 [ 8309.607146][ T3767] inet6_addr_add+0x12f/0xa40 [ 8309.607146][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.607146][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.607146][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.607146][ T3767] netlink_unicast+0x449/0x710 [ 8309.607146][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.607146][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.607146][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.607146][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.607146][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.607146][ T3767] [ 8309.609396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8309.609396][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8309.609396][ T3767] ipv6_find_idev+0x102/0x170 [ 8309.609396][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.609396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.609396][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.609396][ T3767] netlink_unicast+0x449/0x710 [ 8309.609396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.609396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.609396][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.609396][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.609396][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.609396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.609396][ T3767] [ 8309.611145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8309.611145][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8309.611145][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8309.611145][ T3767] ipv6_find_idev+0x102/0x170 [ 8309.611145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.611145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.611145][ T3767] netlink_rcv_skb+0x130/0x360 [ 8309.611145][ T3767] netlink_unicast+0x449/0x710 [ 8309.611145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8309.611145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8309.611145][ T3767] ___sys_sendmsg+0xee/0x170 [ 8309.611145][ T3767] __sys_sendmsg+0xcd/0x170 [ 8309.611145][ T3767] do_syscall_64+0xc6/0x1e0 [ 8309.611145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.611145][ T3767] [ 8319.855932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8319.856402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8319.856402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8319.856402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8319.856402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8319.856402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8319.856402][ T3767] ip6_route_add+0x1c/0x140 [ 8319.856402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8319.856402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.856402][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.856402][ T3767] netlink_unicast+0x449/0x710 [ 8319.856402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.856402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.856402][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.856402][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.856402][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.856402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.856402][ T3767] [ 8319.858580][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8319.858580][ T3767] netdev_get_by_index+0x5e/0x80 [ 8319.858580][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8319.858580][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8319.858580][ T3767] ip6_route_add+0x1c/0x140 [ 8319.858580][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8319.858580][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8319.858580][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.858580][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.858580][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.858580][ T3767] netlink_unicast+0x449/0x710 [ 8319.858580][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.858580][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.858580][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.858580][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.858580][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.858580][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.858580][ T3767] [ 8319.860852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8319.860852][ T3767] netdev_get_by_index+0x5e/0x80 [ 8319.860852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8319.860852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8319.860852][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8319.860852][ T3767] ipv6_add_addr+0x411/0x2000 [ 8319.860852][ T3767] inet6_addr_add+0x30e/0xa40 [ 8319.860852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.860852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.860852][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.860852][ T3767] netlink_unicast+0x449/0x710 [ 8319.860852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.860852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.860852][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.860852][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.860852][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.860852][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.860852][ T3767] [ 8319.863114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8319.863114][ T3767] netdev_get_by_index+0x5e/0x80 [ 8319.863114][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8319.863114][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8319.863114][ T3767] ip6_route_add+0x1c/0x140 [ 8319.863114][ T3767] addrconf_add_mroute+0x129/0x180 [ 8319.863114][ T3767] addrconf_add_dev+0xe2/0x170 [ 8319.863114][ T3767] inet6_addr_add+0x12f/0xa40 [ 8319.863114][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.863114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.863114][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.863114][ T3767] netlink_unicast+0x449/0x710 [ 8319.863114][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.863114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.863114][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.863114][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.863114][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.863114][ T3767] [ 8319.865387][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8319.865387][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8319.865387][ T3767] ipv6_find_idev+0x102/0x170 [ 8319.865387][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.865387][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.865387][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.865387][ T3767] netlink_unicast+0x449/0x710 [ 8319.865387][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.865387][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.865387][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.865387][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.865387][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.865387][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.865387][ T3767] [ 8319.867061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8319.867061][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8319.867061][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8319.867061][ T3767] ipv6_find_idev+0x102/0x170 [ 8319.867061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.867061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.867061][ T3767] netlink_rcv_skb+0x130/0x360 [ 8319.867061][ T3767] netlink_unicast+0x449/0x710 [ 8319.867061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8319.867061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8319.867061][ T3767] ___sys_sendmsg+0xee/0x170 [ 8319.867061][ T3767] __sys_sendmsg+0xcd/0x170 [ 8319.867061][ T3767] do_syscall_64+0xc6/0x1e0 [ 8319.867061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.867061][ T3767] [ 8330.111941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8330.112406][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8330.112406][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8330.112406][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8330.112406][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8330.112406][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8330.112406][ T3767] ip6_route_add+0x1c/0x140 [ 8330.112406][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8330.112406][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.112406][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.112406][ T3767] netlink_unicast+0x449/0x710 [ 8330.112406][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.112406][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.112406][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.112406][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.112406][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.112406][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.112406][ T3767] [ 8330.114478][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8330.114478][ T3767] netdev_get_by_index+0x5e/0x80 [ 8330.114478][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8330.114478][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8330.114478][ T3767] ip6_route_add+0x1c/0x140 [ 8330.114478][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8330.114478][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8330.114478][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.114478][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.114478][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.114478][ T3767] netlink_unicast+0x449/0x710 [ 8330.114478][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.114478][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.114478][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.114478][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.114478][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.114478][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.114478][ T3767] [ 8330.116663][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8330.116663][ T3767] netdev_get_by_index+0x5e/0x80 [ 8330.116663][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8330.116663][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8330.116663][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8330.116663][ T3767] ipv6_add_addr+0x411/0x2000 [ 8330.116663][ T3767] inet6_addr_add+0x30e/0xa40 [ 8330.116663][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.116663][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.116663][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.116663][ T3767] netlink_unicast+0x449/0x710 [ 8330.116663][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.116663][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.116663][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.116663][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.116663][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.116663][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.116663][ T3767] [ 8330.118854][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8330.118854][ T3767] netdev_get_by_index+0x5e/0x80 [ 8330.118854][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8330.118854][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8330.118854][ T3767] ip6_route_add+0x1c/0x140 [ 8330.118854][ T3767] addrconf_add_mroute+0x129/0x180 [ 8330.118854][ T3767] addrconf_add_dev+0xe2/0x170 [ 8330.118854][ T3767] inet6_addr_add+0x12f/0xa40 [ 8330.118854][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.118854][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.118854][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.118854][ T3767] netlink_unicast+0x449/0x710 [ 8330.118854][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.118854][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.118854][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.118854][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.118854][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.118854][ T3767] [ 8330.120995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8330.120995][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8330.120995][ T3767] ipv6_find_idev+0x102/0x170 [ 8330.120995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.120995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.120995][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.120995][ T3767] netlink_unicast+0x449/0x710 [ 8330.120995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.120995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.120995][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.120995][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.120995][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.120995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.120995][ T3767] [ 8330.122669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8330.122669][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8330.122669][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8330.122669][ T3767] ipv6_find_idev+0x102/0x170 [ 8330.122669][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.122669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.122669][ T3767] netlink_rcv_skb+0x130/0x360 [ 8330.122669][ T3767] netlink_unicast+0x449/0x710 [ 8330.122669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8330.122669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8330.122669][ T3767] ___sys_sendmsg+0xee/0x170 [ 8330.122669][ T3767] __sys_sendmsg+0xcd/0x170 [ 8330.122669][ T3767] do_syscall_64+0xc6/0x1e0 [ 8330.122669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.122669][ T3767] [ 8340.359929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8340.360406][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8340.360406][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8340.360406][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8340.360406][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8340.360406][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8340.360406][ T3767] ip6_route_add+0x1c/0x140 [ 8340.360406][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8340.360406][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.360406][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.360406][ T3767] netlink_unicast+0x449/0x710 [ 8340.360406][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.360406][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.360406][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.360406][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.360406][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.360406][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.360406][ T3767] [ 8340.362512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8340.362512][ T3767] netdev_get_by_index+0x5e/0x80 [ 8340.362512][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8340.362512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8340.362512][ T3767] ip6_route_add+0x1c/0x140 [ 8340.362512][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8340.362512][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8340.362512][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.362512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.362512][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.362512][ T3767] netlink_unicast+0x449/0x710 [ 8340.362512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.362512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.362512][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.362512][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.362512][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.362512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.362512][ T3767] [ 8340.364727][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8340.364727][ T3767] netdev_get_by_index+0x5e/0x80 [ 8340.364727][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8340.364727][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8340.364727][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8340.364727][ T3767] ipv6_add_addr+0x411/0x2000 [ 8340.364727][ T3767] inet6_addr_add+0x30e/0xa40 [ 8340.364727][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.364727][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.364727][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.364727][ T3767] netlink_unicast+0x449/0x710 [ 8340.364727][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.364727][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.364727][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.364727][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.364727][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.364727][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.364727][ T3767] [ 8340.366931][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8340.366931][ T3767] netdev_get_by_index+0x5e/0x80 [ 8340.366931][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8340.366931][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8340.366931][ T3767] ip6_route_add+0x1c/0x140 [ 8340.366931][ T3767] addrconf_add_mroute+0x129/0x180 [ 8340.366931][ T3767] addrconf_add_dev+0xe2/0x170 [ 8340.366931][ T3767] inet6_addr_add+0x12f/0xa40 [ 8340.366931][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.366931][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.366931][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.366931][ T3767] netlink_unicast+0x449/0x710 [ 8340.366931][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.366931][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.366931][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.366931][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.366931][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.366931][ T3767] [ 8340.369113][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8340.369113][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8340.369113][ T3767] ipv6_find_idev+0x102/0x170 [ 8340.369113][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.369113][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.369113][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.369113][ T3767] netlink_unicast+0x449/0x710 [ 8340.369113][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.369113][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.369113][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.369113][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.369113][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.369113][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.369113][ T3767] [ 8340.370811][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8340.370811][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8340.370811][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8340.370811][ T3767] ipv6_find_idev+0x102/0x170 [ 8340.370811][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.370811][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.370811][ T3767] netlink_rcv_skb+0x130/0x360 [ 8340.370811][ T3767] netlink_unicast+0x449/0x710 [ 8340.370811][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8340.370811][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8340.370811][ T3767] ___sys_sendmsg+0xee/0x170 [ 8340.370811][ T3767] __sys_sendmsg+0xcd/0x170 [ 8340.370811][ T3767] do_syscall_64+0xc6/0x1e0 [ 8340.370811][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.370811][ T3767] [ 8350.607942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8350.608426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8350.608426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8350.608426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8350.608426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8350.608426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8350.608426][ T3767] ip6_route_add+0x1c/0x140 [ 8350.608426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8350.608426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.608426][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.608426][ T3767] netlink_unicast+0x449/0x710 [ 8350.608426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.608426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.608426][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.608426][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.608426][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.608426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.608426][ T3767] [ 8350.610530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8350.610530][ T3767] netdev_get_by_index+0x5e/0x80 [ 8350.610530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8350.610530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8350.610530][ T3767] ip6_route_add+0x1c/0x140 [ 8350.610530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8350.610530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8350.610530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8350.610530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.610530][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.610530][ T3767] netlink_unicast+0x449/0x710 [ 8350.610530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.610530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.610530][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.610530][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.610530][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.610530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.610530][ T3767] [ 8350.612759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8350.612759][ T3767] netdev_get_by_index+0x5e/0x80 [ 8350.612759][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8350.612759][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8350.612759][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8350.612759][ T3767] ipv6_add_addr+0x411/0x2000 [ 8350.612759][ T3767] inet6_addr_add+0x30e/0xa40 [ 8350.612759][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8350.612759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.612759][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.612759][ T3767] netlink_unicast+0x449/0x710 [ 8350.612759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.612759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.612759][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.612759][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.612759][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.612759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.612759][ T3767] [ 8350.614966][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8350.614966][ T3767] netdev_get_by_index+0x5e/0x80 [ 8350.614966][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8350.614966][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8350.614966][ T3767] ip6_route_add+0x1c/0x140 [ 8350.614966][ T3767] addrconf_add_mroute+0x129/0x180 [ 8350.614966][ T3767] addrconf_add_dev+0xe2/0x170 [ 8350.614966][ T3767] inet6_addr_add+0x12f/0xa40 [ 8350.614966][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8350.614966][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.614966][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.614966][ T3767] netlink_unicast+0x449/0x710 [ 8350.614966][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.614966][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.614966][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.614966][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.614966][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.614966][ T3767] [ 8350.617143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8350.617143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8350.617143][ T3767] ipv6_find_idev+0x102/0x170 [ 8350.617143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8350.617143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.617143][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.617143][ T3767] netlink_unicast+0x449/0x710 [ 8350.617143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.617143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.617143][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.617143][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.617143][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.617143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.617143][ T3767] [ 8350.618853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8350.618853][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8350.618853][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8350.618853][ T3767] ipv6_find_idev+0x102/0x170 [ 8350.618853][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8350.618853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.618853][ T3767] netlink_rcv_skb+0x130/0x360 [ 8350.618853][ T3767] netlink_unicast+0x449/0x710 [ 8350.618853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8350.618853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8350.618853][ T3767] ___sys_sendmsg+0xee/0x170 [ 8350.618853][ T3767] __sys_sendmsg+0xcd/0x170 [ 8350.618853][ T3767] do_syscall_64+0xc6/0x1e0 [ 8350.618853][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.618853][ T3767] [ 8360.855863][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8360.856339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8360.856339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8360.856339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8360.856339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8360.856339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8360.856339][ T3767] ip6_route_add+0x1c/0x140 [ 8360.856339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8360.856339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.856339][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.856339][ T3767] netlink_unicast+0x449/0x710 [ 8360.856339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.856339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.856339][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.856339][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.856339][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.856339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.856339][ T3767] [ 8360.858448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8360.858448][ T3767] netdev_get_by_index+0x5e/0x80 [ 8360.858448][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8360.858448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8360.858448][ T3767] ip6_route_add+0x1c/0x140 [ 8360.858448][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8360.858448][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8360.858448][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.858448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.858448][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.858448][ T3767] netlink_unicast+0x449/0x710 [ 8360.858448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.858448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.858448][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.858448][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.858448][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.858448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.858448][ T3767] [ 8360.860652][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8360.860652][ T3767] netdev_get_by_index+0x5e/0x80 [ 8360.860652][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8360.860652][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8360.860652][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8360.860652][ T3767] ipv6_add_addr+0x411/0x2000 [ 8360.860652][ T3767] inet6_addr_add+0x30e/0xa40 [ 8360.860652][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.860652][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.860652][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.860652][ T3767] netlink_unicast+0x449/0x710 [ 8360.860652][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.860652][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.860652][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.860652][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.860652][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.860652][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.860652][ T3767] [ 8360.862857][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8360.862857][ T3767] netdev_get_by_index+0x5e/0x80 [ 8360.862857][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8360.862857][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8360.862857][ T3767] ip6_route_add+0x1c/0x140 [ 8360.862857][ T3767] addrconf_add_mroute+0x129/0x180 [ 8360.862857][ T3767] addrconf_add_dev+0xe2/0x170 [ 8360.862857][ T3767] inet6_addr_add+0x12f/0xa40 [ 8360.862857][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.862857][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.862857][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.862857][ T3767] netlink_unicast+0x449/0x710 [ 8360.862857][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.862857][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.862857][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.862857][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.862857][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.862857][ T3767] [ 8360.865022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8360.865022][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8360.865022][ T3767] ipv6_find_idev+0x102/0x170 [ 8360.865022][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.865022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.865022][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.865022][ T3767] netlink_unicast+0x449/0x710 [ 8360.865022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.865022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.865022][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.865022][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.865022][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.865022][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.865022][ T3767] [ 8360.866714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8360.866714][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8360.866714][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8360.866714][ T3767] ipv6_find_idev+0x102/0x170 [ 8360.866714][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.866714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.866714][ T3767] netlink_rcv_skb+0x130/0x360 [ 8360.866714][ T3767] netlink_unicast+0x449/0x710 [ 8360.866714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8360.866714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8360.866714][ T3767] ___sys_sendmsg+0xee/0x170 [ 8360.866714][ T3767] __sys_sendmsg+0xcd/0x170 [ 8360.866714][ T3767] do_syscall_64+0xc6/0x1e0 [ 8360.866714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.866714][ T3767] [ 8371.103945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8371.104421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8371.104421][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8371.104421][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8371.104421][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8371.104421][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8371.104421][ T3767] ip6_route_add+0x1c/0x140 [ 8371.104421][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8371.104421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.104421][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.104421][ T3767] netlink_unicast+0x449/0x710 [ 8371.104421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.104421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.104421][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.104421][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.104421][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.104421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.104421][ T3767] [ 8371.106524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8371.106524][ T3767] netdev_get_by_index+0x5e/0x80 [ 8371.106524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8371.106524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8371.106524][ T3767] ip6_route_add+0x1c/0x140 [ 8371.106524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8371.106524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8371.106524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.106524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.106524][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.106524][ T3767] netlink_unicast+0x449/0x710 [ 8371.106524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.106524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.106524][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.106524][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.106524][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.106524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.106524][ T3767] [ 8371.108744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8371.108744][ T3767] netdev_get_by_index+0x5e/0x80 [ 8371.108744][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8371.108744][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8371.108744][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8371.108744][ T3767] ipv6_add_addr+0x411/0x2000 [ 8371.108744][ T3767] inet6_addr_add+0x30e/0xa40 [ 8371.108744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.108744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.108744][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.108744][ T3767] netlink_unicast+0x449/0x710 [ 8371.108744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.108744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.108744][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.108744][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.108744][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.108744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.108744][ T3767] [ 8371.110958][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8371.110958][ T3767] netdev_get_by_index+0x5e/0x80 [ 8371.110958][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8371.110958][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8371.110958][ T3767] ip6_route_add+0x1c/0x140 [ 8371.110958][ T3767] addrconf_add_mroute+0x129/0x180 [ 8371.110958][ T3767] addrconf_add_dev+0xe2/0x170 [ 8371.110958][ T3767] inet6_addr_add+0x12f/0xa40 [ 8371.110958][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.110958][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.110958][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.110958][ T3767] netlink_unicast+0x449/0x710 [ 8371.110958][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.110958][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.110958][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.110958][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.110958][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.110958][ T3767] [ 8371.113131][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8371.113131][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8371.113131][ T3767] ipv6_find_idev+0x102/0x170 [ 8371.113131][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.113131][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.113131][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.113131][ T3767] netlink_unicast+0x449/0x710 [ 8371.113131][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.113131][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.113131][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.113131][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.113131][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.113131][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.113131][ T3767] [ 8371.114860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8371.114860][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8371.114860][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8371.114860][ T3767] ipv6_find_idev+0x102/0x170 [ 8371.114860][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.114860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.114860][ T3767] netlink_rcv_skb+0x130/0x360 [ 8371.114860][ T3767] netlink_unicast+0x449/0x710 [ 8371.114860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8371.114860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8371.114860][ T3767] ___sys_sendmsg+0xee/0x170 [ 8371.114860][ T3767] __sys_sendmsg+0xcd/0x170 [ 8371.114860][ T3767] do_syscall_64+0xc6/0x1e0 [ 8371.114860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.114860][ T3767] [ 8381.351859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8381.352285][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8381.352285][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8381.352285][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8381.352285][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8381.352285][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8381.352285][ T3767] ip6_route_add+0x1c/0x140 [ 8381.352285][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8381.352285][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.352285][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.352285][ T3767] netlink_unicast+0x449/0x710 [ 8381.352285][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.352285][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.352285][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.352285][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.352285][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.352285][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.352285][ T3767] [ 8381.354860][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8381.354860][ T3767] netdev_get_by_index+0x5e/0x80 [ 8381.354860][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8381.354860][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8381.354860][ T3767] ip6_route_add+0x1c/0x140 [ 8381.354860][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8381.354860][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8381.354860][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8381.354860][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.354860][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.354860][ T3767] netlink_unicast+0x449/0x710 [ 8381.354860][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.354860][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.354860][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.354860][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.354860][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.354860][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.354860][ T3767] [ 8381.357078][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8381.357078][ T3767] netdev_get_by_index+0x5e/0x80 [ 8381.357078][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8381.357078][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8381.357078][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8381.357078][ T3767] ipv6_add_addr+0x411/0x2000 [ 8381.357078][ T3767] inet6_addr_add+0x30e/0xa40 [ 8381.357078][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8381.357078][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.357078][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.357078][ T3767] netlink_unicast+0x449/0x710 [ 8381.357078][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.357078][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.357078][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.357078][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.357078][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.357078][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.357078][ T3767] [ 8381.359301][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8381.359301][ T3767] netdev_get_by_index+0x5e/0x80 [ 8381.359301][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8381.359301][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8381.359301][ T3767] ip6_route_add+0x1c/0x140 [ 8381.359301][ T3767] addrconf_add_mroute+0x129/0x180 [ 8381.359301][ T3767] addrconf_add_dev+0xe2/0x170 [ 8381.359301][ T3767] inet6_addr_add+0x12f/0xa40 [ 8381.359301][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8381.359301][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.359301][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.359301][ T3767] netlink_unicast+0x449/0x710 [ 8381.359301][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.359301][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.359301][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.359301][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.359301][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.359301][ T3767] [ 8381.361472][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8381.361472][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8381.361472][ T3767] ipv6_find_idev+0x102/0x170 [ 8381.361472][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8381.361472][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.361472][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.361472][ T3767] netlink_unicast+0x449/0x710 [ 8381.361472][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.361472][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.361472][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.361472][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.361472][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.361472][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.361472][ T3767] [ 8381.363606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8381.363606][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8381.363606][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8381.363606][ T3767] ipv6_find_idev+0x102/0x170 [ 8381.363606][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8381.363606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.363606][ T3767] netlink_rcv_skb+0x130/0x360 [ 8381.363606][ T3767] netlink_unicast+0x449/0x710 [ 8381.363606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8381.363606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8381.363606][ T3767] ___sys_sendmsg+0xee/0x170 [ 8381.363606][ T3767] __sys_sendmsg+0xcd/0x170 [ 8381.363606][ T3767] do_syscall_64+0xc6/0x1e0 [ 8381.363606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.363606][ T3767] [ 8391.607866][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8391.608353][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8391.608353][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8391.608353][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8391.608353][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8391.608353][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8391.608353][ T3767] ip6_route_add+0x1c/0x140 [ 8391.608353][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8391.608353][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.608353][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.608353][ T3767] netlink_unicast+0x449/0x710 [ 8391.608353][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.608353][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.608353][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.608353][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.608353][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.608353][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.608353][ T3767] [ 8391.610530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8391.610530][ T3767] netdev_get_by_index+0x5e/0x80 [ 8391.610530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8391.610530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8391.610530][ T3767] ip6_route_add+0x1c/0x140 [ 8391.610530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8391.610530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8391.610530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8391.610530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.610530][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.610530][ T3767] netlink_unicast+0x449/0x710 [ 8391.610530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.610530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.610530][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.610530][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.610530][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.610530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.610530][ T3767] [ 8391.612826][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8391.612826][ T3767] netdev_get_by_index+0x5e/0x80 [ 8391.612826][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8391.612826][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8391.612826][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8391.612826][ T3767] ipv6_add_addr+0x411/0x2000 [ 8391.612826][ T3767] inet6_addr_add+0x30e/0xa40 [ 8391.612826][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8391.612826][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.612826][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.612826][ T3767] netlink_unicast+0x449/0x710 [ 8391.612826][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.612826][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.612826][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.612826][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.612826][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.612826][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.612826][ T3767] [ 8391.615115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8391.615115][ T3767] netdev_get_by_index+0x5e/0x80 [ 8391.615115][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8391.615115][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8391.615115][ T3767] ip6_route_add+0x1c/0x140 [ 8391.615115][ T3767] addrconf_add_mroute+0x129/0x180 [ 8391.615115][ T3767] addrconf_add_dev+0xe2/0x170 [ 8391.615115][ T3767] inet6_addr_add+0x12f/0xa40 [ 8391.615115][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8391.615115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.615115][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.615115][ T3767] netlink_unicast+0x449/0x710 [ 8391.615115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.615115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.615115][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.615115][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.615115][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.615115][ T3767] [ 8391.617375][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8391.617375][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8391.617375][ T3767] ipv6_find_idev+0x102/0x170 [ 8391.617375][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8391.617375][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.617375][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.617375][ T3767] netlink_unicast+0x449/0x710 [ 8391.617375][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.617375][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.617375][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.617375][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.617375][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.617375][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.617375][ T3767] [ 8391.619144][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8391.619144][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8391.619144][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8391.619144][ T3767] ipv6_find_idev+0x102/0x170 [ 8391.619144][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8391.619144][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.619144][ T3767] netlink_rcv_skb+0x130/0x360 [ 8391.619144][ T3767] netlink_unicast+0x449/0x710 [ 8391.619144][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8391.619144][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8391.619144][ T3767] ___sys_sendmsg+0xee/0x170 [ 8391.619144][ T3767] __sys_sendmsg+0xcd/0x170 [ 8391.619144][ T3767] do_syscall_64+0xc6/0x1e0 [ 8391.619144][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.619144][ T3767] [ 8401.863859][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8401.864341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8401.864341][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8401.864341][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8401.864341][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8401.864341][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8401.864341][ T3767] ip6_route_add+0x1c/0x140 [ 8401.864341][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8401.864341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.864341][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.864341][ T3767] netlink_unicast+0x449/0x710 [ 8401.864341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.864341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.864341][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.864341][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.864341][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.864341][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.864341][ T3767] [ 8401.866519][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8401.866519][ T3767] netdev_get_by_index+0x5e/0x80 [ 8401.866519][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8401.866519][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8401.866519][ T3767] ip6_route_add+0x1c/0x140 [ 8401.866519][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8401.866519][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8401.866519][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8401.866519][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.866519][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.866519][ T3767] netlink_unicast+0x449/0x710 [ 8401.866519][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.866519][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.866519][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.866519][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.866519][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.866519][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.866519][ T3767] [ 8401.868833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8401.868833][ T3767] netdev_get_by_index+0x5e/0x80 [ 8401.868833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8401.868833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8401.868833][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8401.868833][ T3767] ipv6_add_addr+0x411/0x2000 [ 8401.868833][ T3767] inet6_addr_add+0x30e/0xa40 [ 8401.868833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8401.868833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.868833][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.868833][ T3767] netlink_unicast+0x449/0x710 [ 8401.868833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.868833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.868833][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.868833][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.868833][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.868833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.868833][ T3767] [ 8401.871133][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8401.871133][ T3767] netdev_get_by_index+0x5e/0x80 [ 8401.871133][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8401.871133][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8401.871133][ T3767] ip6_route_add+0x1c/0x140 [ 8401.871133][ T3767] addrconf_add_mroute+0x129/0x180 [ 8401.871133][ T3767] addrconf_add_dev+0xe2/0x170 [ 8401.871133][ T3767] inet6_addr_add+0x12f/0xa40 [ 8401.871133][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8401.871133][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.871133][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.871133][ T3767] netlink_unicast+0x449/0x710 [ 8401.871133][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.871133][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.871133][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.871133][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.871133][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.871133][ T3767] [ 8401.873394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8401.873394][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8401.873394][ T3767] ipv6_find_idev+0x102/0x170 [ 8401.873394][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8401.873394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.873394][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.873394][ T3767] netlink_unicast+0x449/0x710 [ 8401.873394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.873394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.873394][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.873394][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.873394][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.873394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.873394][ T3767] [ 8401.875161][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8401.875161][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8401.875161][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8401.875161][ T3767] ipv6_find_idev+0x102/0x170 [ 8401.875161][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8401.875161][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.875161][ T3767] netlink_rcv_skb+0x130/0x360 [ 8401.875161][ T3767] netlink_unicast+0x449/0x710 [ 8401.875161][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8401.875161][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8401.875161][ T3767] ___sys_sendmsg+0xee/0x170 [ 8401.875161][ T3767] __sys_sendmsg+0xcd/0x170 [ 8401.875161][ T3767] do_syscall_64+0xc6/0x1e0 [ 8401.875161][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.875161][ T3767] [ 8412.119932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8412.120390][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8412.120390][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8412.120390][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8412.120390][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8412.120390][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8412.120390][ T3767] ip6_route_add+0x1c/0x140 [ 8412.120390][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8412.120390][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.120390][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.120390][ T3767] netlink_unicast+0x449/0x710 [ 8412.120390][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.120390][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.120390][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.120390][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.120390][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.120390][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.120390][ T3767] [ 8412.122456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8412.122456][ T3767] netdev_get_by_index+0x5e/0x80 [ 8412.122456][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8412.122456][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8412.122456][ T3767] ip6_route_add+0x1c/0x140 [ 8412.122456][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8412.122456][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8412.122456][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.122456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.122456][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.122456][ T3767] netlink_unicast+0x449/0x710 [ 8412.122456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.122456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.122456][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.122456][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.122456][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.122456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.122456][ T3767] [ 8412.124650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8412.124650][ T3767] netdev_get_by_index+0x5e/0x80 [ 8412.124650][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8412.124650][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8412.124650][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8412.124650][ T3767] ipv6_add_addr+0x411/0x2000 [ 8412.124650][ T3767] inet6_addr_add+0x30e/0xa40 [ 8412.124650][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.124650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.124650][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.124650][ T3767] netlink_unicast+0x449/0x710 [ 8412.124650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.124650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.124650][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.124650][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.124650][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.124650][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.124650][ T3767] [ 8412.126834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8412.126834][ T3767] netdev_get_by_index+0x5e/0x80 [ 8412.126834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8412.126834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8412.126834][ T3767] ip6_route_add+0x1c/0x140 [ 8412.126834][ T3767] addrconf_add_mroute+0x129/0x180 [ 8412.126834][ T3767] addrconf_add_dev+0xe2/0x170 [ 8412.126834][ T3767] inet6_addr_add+0x12f/0xa40 [ 8412.126834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.126834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.126834][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.126834][ T3767] netlink_unicast+0x449/0x710 [ 8412.126834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.126834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.126834][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.126834][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.126834][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.126834][ T3767] [ 8412.128981][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8412.128981][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8412.128981][ T3767] ipv6_find_idev+0x102/0x170 [ 8412.128981][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.128981][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.128981][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.128981][ T3767] netlink_unicast+0x449/0x710 [ 8412.128981][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.128981][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.128981][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.128981][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.128981][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.128981][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.128981][ T3767] [ 8412.130656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8412.130656][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8412.130656][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8412.130656][ T3767] ipv6_find_idev+0x102/0x170 [ 8412.130656][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.130656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.130656][ T3767] netlink_rcv_skb+0x130/0x360 [ 8412.130656][ T3767] netlink_unicast+0x449/0x710 [ 8412.130656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8412.130656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8412.130656][ T3767] ___sys_sendmsg+0xee/0x170 [ 8412.130656][ T3767] __sys_sendmsg+0xcd/0x170 [ 8412.130656][ T3767] do_syscall_64+0xc6/0x1e0 [ 8412.130656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.130656][ T3767] [ 8422.367958][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8422.368364][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8422.368364][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8422.368364][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8422.368364][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8422.368364][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8422.368364][ T3767] ip6_route_add+0x1c/0x140 [ 8422.368364][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8422.368364][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.368364][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.368364][ T3767] netlink_unicast+0x449/0x710 [ 8422.368364][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.368364][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.368364][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.368364][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.368364][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.368364][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.368364][ T3767] [ 8422.370435][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8422.370435][ T3767] netdev_get_by_index+0x5e/0x80 [ 8422.370435][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8422.370435][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8422.370435][ T3767] ip6_route_add+0x1c/0x140 [ 8422.370435][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8422.370435][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8422.370435][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.370435][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.370435][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.370435][ T3767] netlink_unicast+0x449/0x710 [ 8422.370435][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.370435][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.370435][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.370435][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.370435][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.370435][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.370435][ T3767] [ 8422.372627][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8422.372627][ T3767] netdev_get_by_index+0x5e/0x80 [ 8422.372627][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8422.372627][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8422.372627][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8422.372627][ T3767] ipv6_add_addr+0x411/0x2000 [ 8422.372627][ T3767] inet6_addr_add+0x30e/0xa40 [ 8422.372627][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.372627][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.372627][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.372627][ T3767] netlink_unicast+0x449/0x710 [ 8422.372627][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.372627][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.372627][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.372627][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.372627][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.372627][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.372627][ T3767] [ 8422.374808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8422.374808][ T3767] netdev_get_by_index+0x5e/0x80 [ 8422.374808][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8422.374808][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8422.374808][ T3767] ip6_route_add+0x1c/0x140 [ 8422.374808][ T3767] addrconf_add_mroute+0x129/0x180 [ 8422.374808][ T3767] addrconf_add_dev+0xe2/0x170 [ 8422.374808][ T3767] inet6_addr_add+0x12f/0xa40 [ 8422.374808][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.374808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.374808][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.374808][ T3767] netlink_unicast+0x449/0x710 [ 8422.374808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.374808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.374808][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.374808][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.374808][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.374808][ T3767] [ 8422.376955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8422.376955][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8422.376955][ T3767] ipv6_find_idev+0x102/0x170 [ 8422.376955][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.376955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.376955][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.376955][ T3767] netlink_unicast+0x449/0x710 [ 8422.376955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.376955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.376955][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.376955][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.376955][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.376955][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.376955][ T3767] [ 8422.378647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8422.378647][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8422.378647][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8422.378647][ T3767] ipv6_find_idev+0x102/0x170 [ 8422.378647][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.378647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.378647][ T3767] netlink_rcv_skb+0x130/0x360 [ 8422.378647][ T3767] netlink_unicast+0x449/0x710 [ 8422.378647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8422.378647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8422.378647][ T3767] ___sys_sendmsg+0xee/0x170 [ 8422.378647][ T3767] __sys_sendmsg+0xcd/0x170 [ 8422.378647][ T3767] do_syscall_64+0xc6/0x1e0 [ 8422.378647][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.378647][ T3767] [ 8432.615932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8432.616339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8432.616339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8432.616339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8432.616339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8432.616339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8432.616339][ T3767] ip6_route_add+0x1c/0x140 [ 8432.616339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8432.616339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.616339][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.616339][ T3767] netlink_unicast+0x449/0x710 [ 8432.616339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.616339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.616339][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.616339][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.616339][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.616339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.616339][ T3767] [ 8432.618419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8432.618419][ T3767] netdev_get_by_index+0x5e/0x80 [ 8432.618419][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8432.618419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8432.618419][ T3767] ip6_route_add+0x1c/0x140 [ 8432.618419][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8432.618419][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8432.618419][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8432.618419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.618419][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.618419][ T3767] netlink_unicast+0x449/0x710 [ 8432.618419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.618419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.618419][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.618419][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.618419][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.618419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.618419][ T3767] [ 8432.620604][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8432.620604][ T3767] netdev_get_by_index+0x5e/0x80 [ 8432.620604][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8432.620604][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8432.620604][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8432.620604][ T3767] ipv6_add_addr+0x411/0x2000 [ 8432.620604][ T3767] inet6_addr_add+0x30e/0xa40 [ 8432.620604][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8432.620604][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.620604][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.620604][ T3767] netlink_unicast+0x449/0x710 [ 8432.620604][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.620604][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.620604][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.620604][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.620604][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.620604][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.620604][ T3767] [ 8432.622804][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8432.622804][ T3767] netdev_get_by_index+0x5e/0x80 [ 8432.622804][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8432.622804][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8432.622804][ T3767] ip6_route_add+0x1c/0x140 [ 8432.622804][ T3767] addrconf_add_mroute+0x129/0x180 [ 8432.622804][ T3767] addrconf_add_dev+0xe2/0x170 [ 8432.622804][ T3767] inet6_addr_add+0x12f/0xa40 [ 8432.622804][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8432.622804][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.622804][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.622804][ T3767] netlink_unicast+0x449/0x710 [ 8432.622804][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.622804][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.622804][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.622804][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.622804][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.622804][ T3767] [ 8432.624946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8432.624946][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8432.624946][ T3767] ipv6_find_idev+0x102/0x170 [ 8432.624946][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8432.624946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.624946][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.624946][ T3767] netlink_unicast+0x449/0x710 [ 8432.624946][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.624946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.624946][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.624946][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.624946][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.624946][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.624946][ T3767] [ 8432.626625][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8432.626625][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8432.626625][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8432.626625][ T3767] ipv6_find_idev+0x102/0x170 [ 8432.626625][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8432.626625][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.626625][ T3767] netlink_rcv_skb+0x130/0x360 [ 8432.626625][ T3767] netlink_unicast+0x449/0x710 [ 8432.626625][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8432.626625][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8432.626625][ T3767] ___sys_sendmsg+0xee/0x170 [ 8432.626625][ T3767] __sys_sendmsg+0xcd/0x170 [ 8432.626625][ T3767] do_syscall_64+0xc6/0x1e0 [ 8432.626625][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.626625][ T3767] [ 8442.863951][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8442.864407][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8442.864407][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8442.864407][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8442.864407][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8442.864407][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8442.864407][ T3767] ip6_route_add+0x1c/0x140 [ 8442.864407][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8442.864407][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.864407][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.864407][ T3767] netlink_unicast+0x449/0x710 [ 8442.864407][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.864407][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.864407][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.864407][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.864407][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.864407][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.864407][ T3767] [ 8442.866475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8442.866475][ T3767] netdev_get_by_index+0x5e/0x80 [ 8442.866475][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8442.866475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8442.866475][ T3767] ip6_route_add+0x1c/0x140 [ 8442.866475][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8442.866475][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8442.866475][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8442.866475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.866475][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.866475][ T3767] netlink_unicast+0x449/0x710 [ 8442.866475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.866475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.866475][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.866475][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.866475][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.866475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.866475][ T3767] [ 8442.868710][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8442.868710][ T3767] netdev_get_by_index+0x5e/0x80 [ 8442.868710][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8442.868710][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8442.868710][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8442.868710][ T3767] ipv6_add_addr+0x411/0x2000 [ 8442.868710][ T3767] inet6_addr_add+0x30e/0xa40 [ 8442.868710][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8442.868710][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.868710][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.868710][ T3767] netlink_unicast+0x449/0x710 [ 8442.868710][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.868710][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.868710][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.868710][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.868710][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.868710][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.868710][ T3767] [ 8442.870903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8442.870903][ T3767] netdev_get_by_index+0x5e/0x80 [ 8442.870903][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8442.870903][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8442.870903][ T3767] ip6_route_add+0x1c/0x140 [ 8442.870903][ T3767] addrconf_add_mroute+0x129/0x180 [ 8442.870903][ T3767] addrconf_add_dev+0xe2/0x170 [ 8442.870903][ T3767] inet6_addr_add+0x12f/0xa40 [ 8442.870903][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8442.870903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.870903][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.870903][ T3767] netlink_unicast+0x449/0x710 [ 8442.870903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.870903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.870903][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.870903][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.870903][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.870903][ T3767] [ 8442.873169][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8442.873169][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8442.873169][ T3767] ipv6_find_idev+0x102/0x170 [ 8442.873169][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8442.873169][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.873169][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.873169][ T3767] netlink_unicast+0x449/0x710 [ 8442.873169][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.873169][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.873169][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.873169][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.873169][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.873169][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.873169][ T3767] [ 8442.874915][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8442.874915][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8442.874915][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8442.874915][ T3767] ipv6_find_idev+0x102/0x170 [ 8442.874915][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8442.874915][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.874915][ T3767] netlink_rcv_skb+0x130/0x360 [ 8442.874915][ T3767] netlink_unicast+0x449/0x710 [ 8442.874915][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8442.874915][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8442.874915][ T3767] ___sys_sendmsg+0xee/0x170 [ 8442.874915][ T3767] __sys_sendmsg+0xcd/0x170 [ 8442.874915][ T3767] do_syscall_64+0xc6/0x1e0 [ 8442.874915][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.874915][ T3767] [ 8453.055964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8453.056441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8453.056441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8453.056441][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8453.056441][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8453.056441][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8453.056441][ T3767] ip6_route_add+0x1c/0x140 [ 8453.056441][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8453.056441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.056441][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.056441][ T3767] netlink_unicast+0x449/0x710 [ 8453.056441][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.056441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.056441][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.056441][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.056441][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.056441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.056441][ T3767] [ 8453.058574][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8453.058574][ T3767] netdev_get_by_index+0x5e/0x80 [ 8453.058574][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8453.058574][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8453.058574][ T3767] ip6_route_add+0x1c/0x140 [ 8453.058574][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8453.058574][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8453.058574][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.058574][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.058574][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.058574][ T3767] netlink_unicast+0x449/0x710 [ 8453.058574][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.058574][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.058574][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.058574][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.058574][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.058574][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.058574][ T3767] [ 8453.060775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8453.060775][ T3767] netdev_get_by_index+0x5e/0x80 [ 8453.060775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8453.060775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8453.060775][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8453.060775][ T3767] ipv6_add_addr+0x411/0x2000 [ 8453.060775][ T3767] inet6_addr_add+0x30e/0xa40 [ 8453.060775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.060775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.060775][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.060775][ T3767] netlink_unicast+0x449/0x710 [ 8453.060775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.060775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.060775][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.060775][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.060775][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.060775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.060775][ T3767] [ 8453.062953][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8453.062953][ T3767] netdev_get_by_index+0x5e/0x80 [ 8453.062953][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8453.062953][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8453.062953][ T3767] ip6_route_add+0x1c/0x140 [ 8453.062953][ T3767] addrconf_add_mroute+0x129/0x180 [ 8453.062953][ T3767] addrconf_add_dev+0xe2/0x170 [ 8453.062953][ T3767] inet6_addr_add+0x12f/0xa40 [ 8453.062953][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.062953][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.062953][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.062953][ T3767] netlink_unicast+0x449/0x710 [ 8453.062953][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.062953][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.062953][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.062953][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.062953][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.062953][ T3767] [ 8453.065103][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8453.065103][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8453.065103][ T3767] ipv6_find_idev+0x102/0x170 [ 8453.065103][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.065103][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.065103][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.065103][ T3767] netlink_unicast+0x449/0x710 [ 8453.065103][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.065103][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.065103][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.065103][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.065103][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.065103][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.065103][ T3767] [ 8453.066783][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8453.066783][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8453.066783][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8453.066783][ T3767] ipv6_find_idev+0x102/0x170 [ 8453.066783][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.066783][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.066783][ T3767] netlink_rcv_skb+0x130/0x360 [ 8453.066783][ T3767] netlink_unicast+0x449/0x710 [ 8453.066783][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8453.066783][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8453.066783][ T3767] ___sys_sendmsg+0xee/0x170 [ 8453.066783][ T3767] __sys_sendmsg+0xcd/0x170 [ 8453.066783][ T3767] do_syscall_64+0xc6/0x1e0 [ 8453.066783][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.066783][ T3767] [ 8463.303934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8463.304388][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8463.304388][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8463.304388][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8463.304388][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8463.304388][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8463.304388][ T3767] ip6_route_add+0x1c/0x140 [ 8463.304388][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8463.304388][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.304388][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.304388][ T3767] netlink_unicast+0x449/0x710 [ 8463.304388][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.304388][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.304388][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.304388][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.304388][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.304388][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.304388][ T3767] [ 8463.306574][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8463.306574][ T3767] netdev_get_by_index+0x5e/0x80 [ 8463.306574][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8463.306574][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8463.306574][ T3767] ip6_route_add+0x1c/0x140 [ 8463.306574][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8463.306574][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8463.306574][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.306574][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.306574][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.306574][ T3767] netlink_unicast+0x449/0x710 [ 8463.306574][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.306574][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.306574][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.306574][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.306574][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.306574][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.306574][ T3767] [ 8463.308773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8463.308773][ T3767] netdev_get_by_index+0x5e/0x80 [ 8463.308773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8463.308773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8463.308773][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8463.308773][ T3767] ipv6_add_addr+0x411/0x2000 [ 8463.308773][ T3767] inet6_addr_add+0x30e/0xa40 [ 8463.308773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.308773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.308773][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.308773][ T3767] netlink_unicast+0x449/0x710 [ 8463.308773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.308773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.308773][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.308773][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.308773][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.308773][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.308773][ T3767] [ 8463.310978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8463.310978][ T3767] netdev_get_by_index+0x5e/0x80 [ 8463.310978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8463.310978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8463.310978][ T3767] ip6_route_add+0x1c/0x140 [ 8463.310978][ T3767] addrconf_add_mroute+0x129/0x180 [ 8463.310978][ T3767] addrconf_add_dev+0xe2/0x170 [ 8463.310978][ T3767] inet6_addr_add+0x12f/0xa40 [ 8463.310978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.310978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.310978][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.310978][ T3767] netlink_unicast+0x449/0x710 [ 8463.310978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.310978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.310978][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.310978][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.310978][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.310978][ T3767] [ 8463.313118][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8463.313118][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8463.313118][ T3767] ipv6_find_idev+0x102/0x170 [ 8463.313118][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.313118][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.313118][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.313118][ T3767] netlink_unicast+0x449/0x710 [ 8463.313118][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.313118][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.313118][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.313118][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.313118][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.313118][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.313118][ T3767] [ 8463.314793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8463.314793][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8463.314793][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8463.314793][ T3767] ipv6_find_idev+0x102/0x170 [ 8463.314793][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.314793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.314793][ T3767] netlink_rcv_skb+0x130/0x360 [ 8463.314793][ T3767] netlink_unicast+0x449/0x710 [ 8463.314793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8463.314793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8463.314793][ T3767] ___sys_sendmsg+0xee/0x170 [ 8463.314793][ T3767] __sys_sendmsg+0xcd/0x170 [ 8463.314793][ T3767] do_syscall_64+0xc6/0x1e0 [ 8463.314793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.314793][ T3767] [ 8473.551940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8473.552396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8473.552396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8473.552396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8473.552396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8473.552396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8473.552396][ T3767] ip6_route_add+0x1c/0x140 [ 8473.552396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8473.552396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.552396][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.552396][ T3767] netlink_unicast+0x449/0x710 [ 8473.552396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.552396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.552396][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.552396][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.552396][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.552396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8473.552396][ T3767] [ 8473.554468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8473.554468][ T3767] netdev_get_by_index+0x5e/0x80 [ 8473.554468][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8473.554468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8473.554468][ T3767] ip6_route_add+0x1c/0x140 [ 8473.554468][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8473.554468][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8473.554468][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8473.554468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.554468][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.554468][ T3767] netlink_unicast+0x449/0x710 [ 8473.554468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.554468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.554468][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.554468][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.554468][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.554468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8473.554468][ T3767] [ 8473.556656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8473.556656][ T3767] netdev_get_by_index+0x5e/0x80 [ 8473.556656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8473.556656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8473.556656][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8473.556656][ T3767] ipv6_add_addr+0x411/0x2000 [ 8473.556656][ T3767] inet6_addr_add+0x30e/0xa40 [ 8473.556656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8473.556656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.556656][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.556656][ T3767] netlink_unicast+0x449/0x710 [ 8473.556656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.556656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.556656][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.556656][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.556656][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.556656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8473.556656][ T3767] [ 8473.558840][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8473.558840][ T3767] netdev_get_by_index+0x5e/0x80 [ 8473.558840][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8473.558840][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8473.558840][ T3767] ip6_route_add+0x1c/0x140 [ 8473.558840][ T3767] addrconf_add_mroute+0x129/0x180 [ 8473.558840][ T3767] addrconf_add_dev+0xe2/0x170 [ 8473.558840][ T3767] inet6_addr_add+0x12f/0xa40 [ 8473.558840][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8473.558840][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.558840][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.558840][ T3767] netlink_unicast+0x449/0x710 [ 8473.558840][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.558840][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.558840][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.558840][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.558840][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.558840][ T3767] [ 8473.560975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8473.560975][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8473.560975][ T3767] ipv6_find_idev+0x102/0x170 [ 8473.560975][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8473.560975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.560975][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.560975][ T3767] netlink_unicast+0x449/0x710 [ 8473.560975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.560975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.560975][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.560975][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.560975][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.560975][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8473.560975][ T3767] [ 8473.562664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8473.562664][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8473.562664][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8473.562664][ T3767] ipv6_find_idev+0x102/0x170 [ 8473.562664][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8473.562664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8473.562664][ T3767] netlink_rcv_skb+0x130/0x360 [ 8473.562664][ T3767] netlink_unicast+0x449/0x710 [ 8473.562664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8473.562664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8473.562664][ T3767] ___sys_sendmsg+0xee/0x170 [ 8473.562664][ T3767] __sys_sendmsg+0xcd/0x170 [ 8473.562664][ T3767] do_syscall_64+0xc6/0x1e0 [ 8473.562664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8473.562664][ T3767] [ 8483.799937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8483.800397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8483.800397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8483.800397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8483.800397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8483.800397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8483.800397][ T3767] ip6_route_add+0x1c/0x140 [ 8483.800397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8483.800397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.800397][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.800397][ T3767] netlink_unicast+0x449/0x710 [ 8483.800397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.800397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.800397][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.800397][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.800397][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.800397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.800397][ T3767] [ 8483.802460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8483.802460][ T3767] netdev_get_by_index+0x5e/0x80 [ 8483.802460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8483.802460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8483.802460][ T3767] ip6_route_add+0x1c/0x140 [ 8483.802460][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8483.802460][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8483.802460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8483.802460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.802460][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.802460][ T3767] netlink_unicast+0x449/0x710 [ 8483.802460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.802460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.802460][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.802460][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.802460][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.802460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.802460][ T3767] [ 8483.804646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8483.804646][ T3767] netdev_get_by_index+0x5e/0x80 [ 8483.804646][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8483.804646][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8483.804646][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8483.804646][ T3767] ipv6_add_addr+0x411/0x2000 [ 8483.804646][ T3767] inet6_addr_add+0x30e/0xa40 [ 8483.804646][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8483.804646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.804646][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.804646][ T3767] netlink_unicast+0x449/0x710 [ 8483.804646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.804646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.804646][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.804646][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.804646][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.804646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.804646][ T3767] [ 8483.806835][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8483.806835][ T3767] netdev_get_by_index+0x5e/0x80 [ 8483.806835][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8483.806835][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8483.806835][ T3767] ip6_route_add+0x1c/0x140 [ 8483.806835][ T3767] addrconf_add_mroute+0x129/0x180 [ 8483.806835][ T3767] addrconf_add_dev+0xe2/0x170 [ 8483.806835][ T3767] inet6_addr_add+0x12f/0xa40 [ 8483.806835][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8483.806835][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.806835][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.806835][ T3767] netlink_unicast+0x449/0x710 [ 8483.806835][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.806835][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.806835][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.806835][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.806835][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.806835][ T3767] [ 8483.809836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8483.809836][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8483.809836][ T3767] ipv6_find_idev+0x102/0x170 [ 8483.809836][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8483.809836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.809836][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.809836][ T3767] netlink_unicast+0x449/0x710 [ 8483.809836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.809836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.809836][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.809836][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.809836][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.809836][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.809836][ T3767] [ 8483.811509][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8483.811509][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8483.811509][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8483.811509][ T3767] ipv6_find_idev+0x102/0x170 [ 8483.811509][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8483.811509][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.811509][ T3767] netlink_rcv_skb+0x130/0x360 [ 8483.811509][ T3767] netlink_unicast+0x449/0x710 [ 8483.811509][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8483.811509][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8483.811509][ T3767] ___sys_sendmsg+0xee/0x170 [ 8483.811509][ T3767] __sys_sendmsg+0xcd/0x170 [ 8483.811509][ T3767] do_syscall_64+0xc6/0x1e0 [ 8483.811509][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.811509][ T3767] [ 8494.056012][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8494.056483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8494.056483][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8494.056483][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8494.056483][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8494.056483][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8494.056483][ T3767] ip6_route_add+0x1c/0x140 [ 8494.056483][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8494.056483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.056483][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.056483][ T3767] netlink_unicast+0x449/0x710 [ 8494.056483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.056483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.056483][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.056483][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.056483][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.056483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.056483][ T3767] [ 8494.058575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8494.058575][ T3767] netdev_get_by_index+0x5e/0x80 [ 8494.058575][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8494.058575][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8494.058575][ T3767] ip6_route_add+0x1c/0x140 [ 8494.058575][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8494.058575][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8494.058575][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.058575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.058575][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.058575][ T3767] netlink_unicast+0x449/0x710 [ 8494.058575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.058575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.058575][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.058575][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.058575][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.058575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.058575][ T3767] [ 8494.060754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8494.060754][ T3767] netdev_get_by_index+0x5e/0x80 [ 8494.060754][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8494.060754][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8494.060754][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8494.060754][ T3767] ipv6_add_addr+0x411/0x2000 [ 8494.060754][ T3767] inet6_addr_add+0x30e/0xa40 [ 8494.060754][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.060754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.060754][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.060754][ T3767] netlink_unicast+0x449/0x710 [ 8494.060754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.060754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.060754][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.060754][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.060754][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.060754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.060754][ T3767] [ 8494.062954][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8494.062954][ T3767] netdev_get_by_index+0x5e/0x80 [ 8494.062954][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8494.062954][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8494.062954][ T3767] ip6_route_add+0x1c/0x140 [ 8494.062954][ T3767] addrconf_add_mroute+0x129/0x180 [ 8494.062954][ T3767] addrconf_add_dev+0xe2/0x170 [ 8494.062954][ T3767] inet6_addr_add+0x12f/0xa40 [ 8494.062954][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.062954][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.062954][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.062954][ T3767] netlink_unicast+0x449/0x710 [ 8494.062954][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.062954][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.062954][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.062954][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.062954][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.062954][ T3767] [ 8494.065095][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8494.065095][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8494.065095][ T3767] ipv6_find_idev+0x102/0x170 [ 8494.065095][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.065095][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.065095][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.065095][ T3767] netlink_unicast+0x449/0x710 [ 8494.065095][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.065095][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.065095][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.065095][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.065095][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.065095][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.065095][ T3767] [ 8494.066781][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8494.066781][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8494.066781][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8494.066781][ T3767] ipv6_find_idev+0x102/0x170 [ 8494.066781][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.066781][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.066781][ T3767] netlink_rcv_skb+0x130/0x360 [ 8494.066781][ T3767] netlink_unicast+0x449/0x710 [ 8494.066781][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8494.066781][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8494.066781][ T3767] ___sys_sendmsg+0xee/0x170 [ 8494.066781][ T3767] __sys_sendmsg+0xcd/0x170 [ 8494.066781][ T3767] do_syscall_64+0xc6/0x1e0 [ 8494.066781][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.066781][ T3767] [ 8504.303933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8504.304333][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8504.304333][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8504.304333][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8504.304333][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8504.304333][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8504.304333][ T3767] ip6_route_add+0x1c/0x140 [ 8504.304333][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8504.304333][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.304333][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.304333][ T3767] netlink_unicast+0x449/0x710 [ 8504.304333][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.304333][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.304333][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.304333][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.304333][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.304333][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.304333][ T3767] [ 8504.306404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8504.306404][ T3767] netdev_get_by_index+0x5e/0x80 [ 8504.306404][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8504.306404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8504.306404][ T3767] ip6_route_add+0x1c/0x140 [ 8504.306404][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8504.306404][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8504.306404][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.306404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.306404][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.306404][ T3767] netlink_unicast+0x449/0x710 [ 8504.306404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.306404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.306404][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.306404][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.306404][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.306404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.306404][ T3767] [ 8504.308609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8504.308609][ T3767] netdev_get_by_index+0x5e/0x80 [ 8504.308609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8504.308609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8504.308609][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8504.308609][ T3767] ipv6_add_addr+0x411/0x2000 [ 8504.308609][ T3767] inet6_addr_add+0x30e/0xa40 [ 8504.308609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.308609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.308609][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.308609][ T3767] netlink_unicast+0x449/0x710 [ 8504.308609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.308609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.308609][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.308609][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.308609][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.308609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.308609][ T3767] [ 8504.310793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8504.310793][ T3767] netdev_get_by_index+0x5e/0x80 [ 8504.310793][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8504.310793][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8504.310793][ T3767] ip6_route_add+0x1c/0x140 [ 8504.310793][ T3767] addrconf_add_mroute+0x129/0x180 [ 8504.310793][ T3767] addrconf_add_dev+0xe2/0x170 [ 8504.310793][ T3767] inet6_addr_add+0x12f/0xa40 [ 8504.310793][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.310793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.310793][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.310793][ T3767] netlink_unicast+0x449/0x710 [ 8504.310793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.310793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.310793][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.310793][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.310793][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.310793][ T3767] [ 8504.312939][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8504.312939][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8504.312939][ T3767] ipv6_find_idev+0x102/0x170 [ 8504.312939][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.312939][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.312939][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.312939][ T3767] netlink_unicast+0x449/0x710 [ 8504.312939][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.312939][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.312939][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.312939][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.312939][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.312939][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.312939][ T3767] [ 8504.314616][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8504.314616][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8504.314616][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8504.314616][ T3767] ipv6_find_idev+0x102/0x170 [ 8504.314616][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.314616][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.314616][ T3767] netlink_rcv_skb+0x130/0x360 [ 8504.314616][ T3767] netlink_unicast+0x449/0x710 [ 8504.314616][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8504.314616][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8504.314616][ T3767] ___sys_sendmsg+0xee/0x170 [ 8504.314616][ T3767] __sys_sendmsg+0xcd/0x170 [ 8504.314616][ T3767] do_syscall_64+0xc6/0x1e0 [ 8504.314616][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.314616][ T3767] [ 8514.400019][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8514.400476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8514.400476][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8514.400476][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8514.400476][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8514.400476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8514.400476][ T3767] ip6_route_add+0x1c/0x140 [ 8514.400476][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8514.400476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.400476][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.400476][ T3767] netlink_unicast+0x449/0x710 [ 8514.400476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.400476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.400476][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.400476][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.400476][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.400476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.400476][ T3767] [ 8514.402546][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8514.402546][ T3767] netdev_get_by_index+0x5e/0x80 [ 8514.402546][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8514.402546][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8514.402546][ T3767] ip6_route_add+0x1c/0x140 [ 8514.402546][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8514.402546][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8514.402546][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.402546][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.402546][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.402546][ T3767] netlink_unicast+0x449/0x710 [ 8514.402546][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.402546][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.402546][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.402546][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.402546][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.402546][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.402546][ T3767] [ 8514.404730][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8514.404730][ T3767] netdev_get_by_index+0x5e/0x80 [ 8514.404730][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8514.404730][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8514.404730][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8514.404730][ T3767] ipv6_add_addr+0x411/0x2000 [ 8514.404730][ T3767] inet6_addr_add+0x30e/0xa40 [ 8514.404730][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.404730][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.404730][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.404730][ T3767] netlink_unicast+0x449/0x710 [ 8514.404730][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.404730][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.404730][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.404730][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.404730][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.404730][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.404730][ T3767] [ 8514.406923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8514.406923][ T3767] netdev_get_by_index+0x5e/0x80 [ 8514.406923][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8514.406923][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8514.406923][ T3767] ip6_route_add+0x1c/0x140 [ 8514.406923][ T3767] addrconf_add_mroute+0x129/0x180 [ 8514.406923][ T3767] addrconf_add_dev+0xe2/0x170 [ 8514.406923][ T3767] inet6_addr_add+0x12f/0xa40 [ 8514.406923][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.406923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.406923][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.406923][ T3767] netlink_unicast+0x449/0x710 [ 8514.406923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.406923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.406923][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.406923][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.406923][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.406923][ T3767] [ 8514.409091][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8514.409091][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8514.409091][ T3767] ipv6_find_idev+0x102/0x170 [ 8514.409091][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8514.409091][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.409091][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.409091][ T3767] netlink_unicast+0x449/0x710 [ 8514.409091][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.409091][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.409091][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.409091][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.409091][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.409091][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.409091][ T3767] [ 8514.410792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8514.410792][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8514.410792][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8514.410792][ T3767] ipv6_find_idev+0x102/0x170 [ 8514.410792][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8514.410792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.410792][ T3767] netlink_rcv_skb+0x130/0x360 [ 8514.410792][ T3767] netlink_unicast+0x449/0x710 [ 8514.410792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8514.410792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8514.410792][ T3767] ___sys_sendmsg+0xee/0x170 [ 8514.410792][ T3767] __sys_sendmsg+0xcd/0x170 [ 8514.410792][ T3767] do_syscall_64+0xc6/0x1e0 [ 8514.410792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.410792][ T3767] [ 8524.647877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8524.648340][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8524.648340][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8524.648340][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8524.648340][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8524.648340][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8524.648340][ T3767] ip6_route_add+0x1c/0x140 [ 8524.648340][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8524.648340][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.648340][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.648340][ T3767] netlink_unicast+0x449/0x710 [ 8524.648340][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.648340][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.648340][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.648340][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.648340][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.648340][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.648340][ T3767] [ 8524.650415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8524.650415][ T3767] netdev_get_by_index+0x5e/0x80 [ 8524.650415][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8524.650415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8524.650415][ T3767] ip6_route_add+0x1c/0x140 [ 8524.650415][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8524.650415][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8524.650415][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8524.650415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.650415][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.650415][ T3767] netlink_unicast+0x449/0x710 [ 8524.650415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.650415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.650415][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.650415][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.650415][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.650415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.650415][ T3767] [ 8524.652963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8524.652963][ T3767] netdev_get_by_index+0x5e/0x80 [ 8524.652963][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8524.652963][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8524.652963][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8524.652963][ T3767] ipv6_add_addr+0x411/0x2000 [ 8524.652963][ T3767] inet6_addr_add+0x30e/0xa40 [ 8524.652963][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8524.652963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.652963][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.652963][ T3767] netlink_unicast+0x449/0x710 [ 8524.652963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.652963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.652963][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.652963][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.652963][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.652963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.652963][ T3767] [ 8524.655148][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8524.655148][ T3767] netdev_get_by_index+0x5e/0x80 [ 8524.655148][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8524.655148][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8524.655148][ T3767] ip6_route_add+0x1c/0x140 [ 8524.655148][ T3767] addrconf_add_mroute+0x129/0x180 [ 8524.655148][ T3767] addrconf_add_dev+0xe2/0x170 [ 8524.655148][ T3767] inet6_addr_add+0x12f/0xa40 [ 8524.655148][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8524.655148][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.655148][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.655148][ T3767] netlink_unicast+0x449/0x710 [ 8524.655148][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.655148][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.655148][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.655148][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.655148][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.655148][ T3767] [ 8524.657304][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8524.657304][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8524.657304][ T3767] ipv6_find_idev+0x102/0x170 [ 8524.657304][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8524.657304][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.657304][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.657304][ T3767] netlink_unicast+0x449/0x710 [ 8524.657304][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.657304][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.657304][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.657304][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.657304][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.657304][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.657304][ T3767] [ 8524.658985][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8524.658985][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8524.658985][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8524.658985][ T3767] ipv6_find_idev+0x102/0x170 [ 8524.658985][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8524.658985][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.658985][ T3767] netlink_rcv_skb+0x130/0x360 [ 8524.658985][ T3767] netlink_unicast+0x449/0x710 [ 8524.658985][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8524.658985][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8524.658985][ T3767] ___sys_sendmsg+0xee/0x170 [ 8524.658985][ T3767] __sys_sendmsg+0xcd/0x170 [ 8524.658985][ T3767] do_syscall_64+0xc6/0x1e0 [ 8524.658985][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.658985][ T3767] [ 8534.751936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8534.752400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8534.752400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8534.752400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8534.752400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8534.752400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8534.752400][ T3767] ip6_route_add+0x1c/0x140 [ 8534.752400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8534.752400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.752400][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.752400][ T3767] netlink_unicast+0x449/0x710 [ 8534.752400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.752400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.752400][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.752400][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.752400][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.752400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.752400][ T3767] [ 8534.754468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8534.754468][ T3767] netdev_get_by_index+0x5e/0x80 [ 8534.754468][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8534.754468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8534.754468][ T3767] ip6_route_add+0x1c/0x140 [ 8534.754468][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8534.754468][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8534.754468][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8534.754468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.754468][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.754468][ T3767] netlink_unicast+0x449/0x710 [ 8534.754468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.754468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.754468][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.754468][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.754468][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.754468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.754468][ T3767] [ 8534.756662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8534.756662][ T3767] netdev_get_by_index+0x5e/0x80 [ 8534.756662][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8534.756662][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8534.756662][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8534.756662][ T3767] ipv6_add_addr+0x411/0x2000 [ 8534.756662][ T3767] inet6_addr_add+0x30e/0xa40 [ 8534.756662][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8534.756662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.756662][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.756662][ T3767] netlink_unicast+0x449/0x710 [ 8534.756662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.756662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.756662][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.756662][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.756662][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.756662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.756662][ T3767] [ 8534.758834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8534.758834][ T3767] netdev_get_by_index+0x5e/0x80 [ 8534.758834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8534.758834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8534.758834][ T3767] ip6_route_add+0x1c/0x140 [ 8534.758834][ T3767] addrconf_add_mroute+0x129/0x180 [ 8534.758834][ T3767] addrconf_add_dev+0xe2/0x170 [ 8534.758834][ T3767] inet6_addr_add+0x12f/0xa40 [ 8534.758834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8534.758834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.758834][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.758834][ T3767] netlink_unicast+0x449/0x710 [ 8534.758834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.758834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.758834][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.758834][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.758834][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.758834][ T3767] [ 8534.760967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8534.760967][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8534.760967][ T3767] ipv6_find_idev+0x102/0x170 [ 8534.760967][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8534.760967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.760967][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.760967][ T3767] netlink_unicast+0x449/0x710 [ 8534.760967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.760967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.760967][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.760967][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.760967][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.760967][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.760967][ T3767] [ 8534.762651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8534.762651][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8534.762651][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8534.762651][ T3767] ipv6_find_idev+0x102/0x170 [ 8534.762651][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8534.762651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.762651][ T3767] netlink_rcv_skb+0x130/0x360 [ 8534.762651][ T3767] netlink_unicast+0x449/0x710 [ 8534.762651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8534.762651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8534.762651][ T3767] ___sys_sendmsg+0xee/0x170 [ 8534.762651][ T3767] __sys_sendmsg+0xcd/0x170 [ 8534.762651][ T3767] do_syscall_64+0xc6/0x1e0 [ 8534.762651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.762651][ T3767] [ 8544.999933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8545.000387][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8545.000387][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8545.000387][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8545.000387][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8545.000387][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8545.000387][ T3767] ip6_route_add+0x1c/0x140 [ 8545.000387][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8545.000387][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.000387][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.000387][ T3767] netlink_unicast+0x449/0x710 [ 8545.000387][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.000387][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.000387][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.000387][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.000387][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.000387][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.000387][ T3767] [ 8545.002451][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8545.002451][ T3767] netdev_get_by_index+0x5e/0x80 [ 8545.002451][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8545.002451][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8545.002451][ T3767] ip6_route_add+0x1c/0x140 [ 8545.002451][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8545.002451][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8545.002451][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.002451][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.002451][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.002451][ T3767] netlink_unicast+0x449/0x710 [ 8545.002451][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.002451][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.002451][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.002451][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.002451][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.002451][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.002451][ T3767] [ 8545.004626][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8545.004626][ T3767] netdev_get_by_index+0x5e/0x80 [ 8545.004626][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8545.004626][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8545.004626][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8545.004626][ T3767] ipv6_add_addr+0x411/0x2000 [ 8545.004626][ T3767] inet6_addr_add+0x30e/0xa40 [ 8545.004626][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.004626][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.004626][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.004626][ T3767] netlink_unicast+0x449/0x710 [ 8545.004626][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.004626][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.004626][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.004626][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.004626][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.004626][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.004626][ T3767] [ 8545.006842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8545.006842][ T3767] netdev_get_by_index+0x5e/0x80 [ 8545.006842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8545.006842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8545.006842][ T3767] ip6_route_add+0x1c/0x140 [ 8545.006842][ T3767] addrconf_add_mroute+0x129/0x180 [ 8545.006842][ T3767] addrconf_add_dev+0xe2/0x170 [ 8545.006842][ T3767] inet6_addr_add+0x12f/0xa40 [ 8545.006842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.006842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.006842][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.006842][ T3767] netlink_unicast+0x449/0x710 [ 8545.006842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.006842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.006842][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.006842][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.006842][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.006842][ T3767] [ 8545.008972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8545.008972][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8545.008972][ T3767] ipv6_find_idev+0x102/0x170 [ 8545.008972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.008972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.008972][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.008972][ T3767] netlink_unicast+0x449/0x710 [ 8545.008972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.008972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.008972][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.008972][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.008972][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.008972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.008972][ T3767] [ 8545.010645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8545.010645][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8545.010645][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8545.010645][ T3767] ipv6_find_idev+0x102/0x170 [ 8545.010645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.010645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.010645][ T3767] netlink_rcv_skb+0x130/0x360 [ 8545.010645][ T3767] netlink_unicast+0x449/0x710 [ 8545.010645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8545.010645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8545.010645][ T3767] ___sys_sendmsg+0xee/0x170 [ 8545.010645][ T3767] __sys_sendmsg+0xcd/0x170 [ 8545.010645][ T3767] do_syscall_64+0xc6/0x1e0 [ 8545.010645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.010645][ T3767] [ 8555.247936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8555.248343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8555.248343][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8555.248343][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8555.248343][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8555.248343][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8555.248343][ T3767] ip6_route_add+0x1c/0x140 [ 8555.248343][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8555.248343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.248343][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.248343][ T3767] netlink_unicast+0x449/0x710 [ 8555.248343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.248343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.248343][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.248343][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.248343][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.248343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.248343][ T3767] [ 8555.250405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8555.250405][ T3767] netdev_get_by_index+0x5e/0x80 [ 8555.250405][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8555.250405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8555.250405][ T3767] ip6_route_add+0x1c/0x140 [ 8555.250405][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8555.250405][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8555.250405][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.250405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.250405][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.250405][ T3767] netlink_unicast+0x449/0x710 [ 8555.250405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.250405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.250405][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.250405][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.250405][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.250405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.250405][ T3767] [ 8555.252587][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8555.252587][ T3767] netdev_get_by_index+0x5e/0x80 [ 8555.252587][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8555.252587][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8555.252587][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8555.252587][ T3767] ipv6_add_addr+0x411/0x2000 [ 8555.252587][ T3767] inet6_addr_add+0x30e/0xa40 [ 8555.252587][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.252587][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.252587][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.252587][ T3767] netlink_unicast+0x449/0x710 [ 8555.252587][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.252587][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.252587][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.252587][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.252587][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.252587][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.252587][ T3767] [ 8555.254763][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8555.254763][ T3767] netdev_get_by_index+0x5e/0x80 [ 8555.254763][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8555.254763][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8555.254763][ T3767] ip6_route_add+0x1c/0x140 [ 8555.254763][ T3767] addrconf_add_mroute+0x129/0x180 [ 8555.254763][ T3767] addrconf_add_dev+0xe2/0x170 [ 8555.254763][ T3767] inet6_addr_add+0x12f/0xa40 [ 8555.254763][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8555.254763][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.254763][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.254763][ T3767] netlink_unicast+0x449/0x710 [ 8555.254763][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.254763][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.254763][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.254763][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.254763][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.254763][ T3767] [ 8555.256919][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8555.256919][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8555.256919][ T3767] ipv6_find_idev+0x102/0x170 [ 8555.256919][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8555.256919][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.256919][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.256919][ T3767] netlink_unicast+0x449/0x710 [ 8555.256919][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.256919][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.256919][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.256919][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.256919][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.256919][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.256919][ T3767] [ 8555.258596][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8555.258596][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8555.258596][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8555.258596][ T3767] ipv6_find_idev+0x102/0x170 [ 8555.258596][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8555.258596][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8555.258596][ T3767] netlink_rcv_skb+0x130/0x360 [ 8555.258596][ T3767] netlink_unicast+0x449/0x710 [ 8555.258596][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8555.258596][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8555.258596][ T3767] ___sys_sendmsg+0xee/0x170 [ 8555.258596][ T3767] __sys_sendmsg+0xcd/0x170 [ 8555.258596][ T3767] do_syscall_64+0xc6/0x1e0 [ 8555.258596][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8555.258596][ T3767] [ 8565.495963][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8565.496437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8565.496437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8565.496437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8565.496437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8565.496437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8565.496437][ T3767] ip6_route_add+0x1c/0x140 [ 8565.496437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8565.496437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.496437][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.496437][ T3767] netlink_unicast+0x449/0x710 [ 8565.496437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.496437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.496437][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.496437][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.496437][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.496437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.496437][ T3767] [ 8565.498507][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8565.498507][ T3767] netdev_get_by_index+0x5e/0x80 [ 8565.498507][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8565.498507][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8565.498507][ T3767] ip6_route_add+0x1c/0x140 [ 8565.498507][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8565.498507][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8565.498507][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.498507][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.498507][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.498507][ T3767] netlink_unicast+0x449/0x710 [ 8565.498507][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.498507][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.498507][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.498507][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.498507][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.498507][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.498507][ T3767] [ 8565.500682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8565.500682][ T3767] netdev_get_by_index+0x5e/0x80 [ 8565.500682][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8565.500682][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8565.500682][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8565.500682][ T3767] ipv6_add_addr+0x411/0x2000 [ 8565.500682][ T3767] inet6_addr_add+0x30e/0xa40 [ 8565.500682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.500682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.500682][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.500682][ T3767] netlink_unicast+0x449/0x710 [ 8565.500682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.500682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.500682][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.500682][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.500682][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.500682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.500682][ T3767] [ 8565.502866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8565.502866][ T3767] netdev_get_by_index+0x5e/0x80 [ 8565.502866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8565.502866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8565.502866][ T3767] ip6_route_add+0x1c/0x140 [ 8565.502866][ T3767] addrconf_add_mroute+0x129/0x180 [ 8565.502866][ T3767] addrconf_add_dev+0xe2/0x170 [ 8565.502866][ T3767] inet6_addr_add+0x12f/0xa40 [ 8565.502866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.502866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.502866][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.502866][ T3767] netlink_unicast+0x449/0x710 [ 8565.502866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.502866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.502866][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.502866][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.502866][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.502866][ T3767] [ 8565.505487][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8565.505487][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8565.505487][ T3767] ipv6_find_idev+0x102/0x170 [ 8565.505487][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.505487][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.505487][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.505487][ T3767] netlink_unicast+0x449/0x710 [ 8565.505487][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.505487][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.505487][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.505487][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.505487][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.505487][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.505487][ T3767] [ 8565.507176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8565.507176][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8565.507176][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8565.507176][ T3767] ipv6_find_idev+0x102/0x170 [ 8565.507176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.507176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.507176][ T3767] netlink_rcv_skb+0x130/0x360 [ 8565.507176][ T3767] netlink_unicast+0x449/0x710 [ 8565.507176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8565.507176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8565.507176][ T3767] ___sys_sendmsg+0xee/0x170 [ 8565.507176][ T3767] __sys_sendmsg+0xcd/0x170 [ 8565.507176][ T3767] do_syscall_64+0xc6/0x1e0 [ 8565.507176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.507176][ T3767] [ 8575.527943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8575.528405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8575.528405][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8575.528405][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8575.528405][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8575.528405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8575.528405][ T3767] ip6_route_add+0x1c/0x140 [ 8575.528405][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8575.528405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.528405][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.528405][ T3767] netlink_unicast+0x449/0x710 [ 8575.528405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.528405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.528405][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.528405][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.528405][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.528405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.528405][ T3767] [ 8575.530489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8575.530489][ T3767] netdev_get_by_index+0x5e/0x80 [ 8575.530489][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8575.530489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8575.530489][ T3767] ip6_route_add+0x1c/0x140 [ 8575.530489][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8575.530489][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8575.530489][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.530489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.530489][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.530489][ T3767] netlink_unicast+0x449/0x710 [ 8575.530489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.530489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.530489][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.530489][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.530489][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.530489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.530489][ T3767] [ 8575.532685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8575.532685][ T3767] netdev_get_by_index+0x5e/0x80 [ 8575.532685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8575.532685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8575.532685][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8575.532685][ T3767] ipv6_add_addr+0x411/0x2000 [ 8575.532685][ T3767] inet6_addr_add+0x30e/0xa40 [ 8575.532685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.532685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.532685][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.532685][ T3767] netlink_unicast+0x449/0x710 [ 8575.532685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.532685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.532685][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.532685][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.532685][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.532685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.532685][ T3767] [ 8575.534880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8575.534880][ T3767] netdev_get_by_index+0x5e/0x80 [ 8575.534880][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8575.534880][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8575.534880][ T3767] ip6_route_add+0x1c/0x140 [ 8575.534880][ T3767] addrconf_add_mroute+0x129/0x180 [ 8575.534880][ T3767] addrconf_add_dev+0xe2/0x170 [ 8575.534880][ T3767] inet6_addr_add+0x12f/0xa40 [ 8575.534880][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.534880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.534880][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.534880][ T3767] netlink_unicast+0x449/0x710 [ 8575.534880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.534880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.534880][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.534880][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.534880][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.534880][ T3767] [ 8575.537064][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8575.537064][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8575.537064][ T3767] ipv6_find_idev+0x102/0x170 [ 8575.537064][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.537064][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.537064][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.537064][ T3767] netlink_unicast+0x449/0x710 [ 8575.537064][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.537064][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.537064][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.537064][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.537064][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.537064][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.537064][ T3767] [ 8575.538750][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8575.538750][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8575.538750][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8575.538750][ T3767] ipv6_find_idev+0x102/0x170 [ 8575.538750][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.538750][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.538750][ T3767] netlink_rcv_skb+0x130/0x360 [ 8575.538750][ T3767] netlink_unicast+0x449/0x710 [ 8575.538750][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8575.538750][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8575.538750][ T3767] ___sys_sendmsg+0xee/0x170 [ 8575.538750][ T3767] __sys_sendmsg+0xcd/0x170 [ 8575.538750][ T3767] do_syscall_64+0xc6/0x1e0 [ 8575.538750][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.538750][ T3767] [ 8585.727959][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8585.728359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8585.728359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8585.728359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8585.728359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8585.728359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8585.728359][ T3767] ip6_route_add+0x1c/0x140 [ 8585.728359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8585.728359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.728359][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.728359][ T3767] netlink_unicast+0x449/0x710 [ 8585.728359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.728359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.728359][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.728359][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.728359][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.728359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.728359][ T3767] [ 8585.730430][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8585.730430][ T3767] netdev_get_by_index+0x5e/0x80 [ 8585.730430][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8585.730430][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8585.730430][ T3767] ip6_route_add+0x1c/0x140 [ 8585.730430][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8585.730430][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8585.730430][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8585.730430][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.730430][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.730430][ T3767] netlink_unicast+0x449/0x710 [ 8585.730430][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.730430][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.730430][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.730430][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.730430][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.730430][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.730430][ T3767] [ 8585.732616][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8585.732616][ T3767] netdev_get_by_index+0x5e/0x80 [ 8585.732616][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8585.732616][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8585.732616][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8585.732616][ T3767] ipv6_add_addr+0x411/0x2000 [ 8585.732616][ T3767] inet6_addr_add+0x30e/0xa40 [ 8585.732616][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8585.732616][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.732616][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.732616][ T3767] netlink_unicast+0x449/0x710 [ 8585.732616][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.732616][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.732616][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.732616][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.732616][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.732616][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.732616][ T3767] [ 8585.734803][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8585.734803][ T3767] netdev_get_by_index+0x5e/0x80 [ 8585.734803][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8585.734803][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8585.734803][ T3767] ip6_route_add+0x1c/0x140 [ 8585.734803][ T3767] addrconf_add_mroute+0x129/0x180 [ 8585.734803][ T3767] addrconf_add_dev+0xe2/0x170 [ 8585.734803][ T3767] inet6_addr_add+0x12f/0xa40 [ 8585.734803][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8585.734803][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.734803][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.734803][ T3767] netlink_unicast+0x449/0x710 [ 8585.734803][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.734803][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.734803][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.734803][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.734803][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.734803][ T3767] [ 8585.736973][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8585.736973][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8585.736973][ T3767] ipv6_find_idev+0x102/0x170 [ 8585.736973][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8585.736973][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.736973][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.736973][ T3767] netlink_unicast+0x449/0x710 [ 8585.736973][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.736973][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.736973][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.736973][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.736973][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.736973][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.736973][ T3767] [ 8585.738649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8585.738649][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8585.738649][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8585.738649][ T3767] ipv6_find_idev+0x102/0x170 [ 8585.738649][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8585.738649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.738649][ T3767] netlink_rcv_skb+0x130/0x360 [ 8585.738649][ T3767] netlink_unicast+0x449/0x710 [ 8585.738649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8585.738649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8585.738649][ T3767] ___sys_sendmsg+0xee/0x170 [ 8585.738649][ T3767] __sys_sendmsg+0xcd/0x170 [ 8585.738649][ T3767] do_syscall_64+0xc6/0x1e0 [ 8585.738649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.738649][ T3767] [ 8595.975945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8595.976438][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8595.976438][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8595.976438][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8595.976438][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8595.976438][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8595.976438][ T3767] ip6_route_add+0x1c/0x140 [ 8595.976438][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8595.976438][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.976438][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.976438][ T3767] netlink_unicast+0x449/0x710 [ 8595.976438][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.976438][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.976438][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.976438][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.976438][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.976438][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.976438][ T3767] [ 8595.978531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8595.978531][ T3767] netdev_get_by_index+0x5e/0x80 [ 8595.978531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8595.978531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8595.978531][ T3767] ip6_route_add+0x1c/0x140 [ 8595.978531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8595.978531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8595.978531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8595.978531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.978531][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.978531][ T3767] netlink_unicast+0x449/0x710 [ 8595.978531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.978531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.978531][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.978531][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.978531][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.978531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.978531][ T3767] [ 8595.980740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8595.980740][ T3767] netdev_get_by_index+0x5e/0x80 [ 8595.980740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8595.980740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8595.980740][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8595.980740][ T3767] ipv6_add_addr+0x411/0x2000 [ 8595.980740][ T3767] inet6_addr_add+0x30e/0xa40 [ 8595.980740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8595.980740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.980740][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.980740][ T3767] netlink_unicast+0x449/0x710 [ 8595.980740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.980740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.980740][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.980740][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.980740][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.980740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.980740][ T3767] [ 8595.982942][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8595.982942][ T3767] netdev_get_by_index+0x5e/0x80 [ 8595.982942][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8595.982942][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8595.982942][ T3767] ip6_route_add+0x1c/0x140 [ 8595.982942][ T3767] addrconf_add_mroute+0x129/0x180 [ 8595.982942][ T3767] addrconf_add_dev+0xe2/0x170 [ 8595.982942][ T3767] inet6_addr_add+0x12f/0xa40 [ 8595.982942][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8595.982942][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.982942][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.982942][ T3767] netlink_unicast+0x449/0x710 [ 8595.982942][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.982942][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.982942][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.982942][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.982942][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.982942][ T3767] [ 8595.985114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8595.985114][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8595.985114][ T3767] ipv6_find_idev+0x102/0x170 [ 8595.985114][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8595.985114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.985114][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.985114][ T3767] netlink_unicast+0x449/0x710 [ 8595.985114][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.985114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.985114][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.985114][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.985114][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.985114][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.985114][ T3767] [ 8595.986816][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8595.986816][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8595.986816][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8595.986816][ T3767] ipv6_find_idev+0x102/0x170 [ 8595.986816][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8595.986816][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.986816][ T3767] netlink_rcv_skb+0x130/0x360 [ 8595.986816][ T3767] netlink_unicast+0x449/0x710 [ 8595.986816][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8595.986816][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8595.986816][ T3767] ___sys_sendmsg+0xee/0x170 [ 8595.986816][ T3767] __sys_sendmsg+0xcd/0x170 [ 8595.986816][ T3767] do_syscall_64+0xc6/0x1e0 [ 8595.986816][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.986816][ T3767] [ 8606.224033][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8606.224462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8606.224462][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8606.224462][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8606.224462][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8606.224462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8606.224462][ T3767] ip6_route_add+0x1c/0x140 [ 8606.224462][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8606.224462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.224462][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.224462][ T3767] netlink_unicast+0x449/0x710 [ 8606.224462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.224462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.224462][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.224462][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.224462][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.224462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.224462][ T3767] [ 8606.226569][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8606.226569][ T3767] netdev_get_by_index+0x5e/0x80 [ 8606.226569][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8606.226569][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8606.226569][ T3767] ip6_route_add+0x1c/0x140 [ 8606.226569][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8606.226569][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8606.226569][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.226569][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.226569][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.226569][ T3767] netlink_unicast+0x449/0x710 [ 8606.226569][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.226569][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.226569][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.226569][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.226569][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.226569][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.226569][ T3767] [ 8606.228787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8606.228787][ T3767] netdev_get_by_index+0x5e/0x80 [ 8606.228787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8606.228787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8606.228787][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8606.228787][ T3767] ipv6_add_addr+0x411/0x2000 [ 8606.228787][ T3767] inet6_addr_add+0x30e/0xa40 [ 8606.228787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.228787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.228787][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.228787][ T3767] netlink_unicast+0x449/0x710 [ 8606.228787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.228787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.228787][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.228787][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.228787][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.228787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.228787][ T3767] [ 8606.230993][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8606.230993][ T3767] netdev_get_by_index+0x5e/0x80 [ 8606.230993][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8606.230993][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8606.230993][ T3767] ip6_route_add+0x1c/0x140 [ 8606.230993][ T3767] addrconf_add_mroute+0x129/0x180 [ 8606.230993][ T3767] addrconf_add_dev+0xe2/0x170 [ 8606.230993][ T3767] inet6_addr_add+0x12f/0xa40 [ 8606.230993][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.230993][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.230993][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.230993][ T3767] netlink_unicast+0x449/0x710 [ 8606.230993][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.230993][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.230993][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.230993][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.230993][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.230993][ T3767] [ 8606.233166][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8606.233166][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8606.233166][ T3767] ipv6_find_idev+0x102/0x170 [ 8606.233166][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.233166][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.233166][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.233166][ T3767] netlink_unicast+0x449/0x710 [ 8606.233166][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.233166][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.233166][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.233166][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.233166][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.233166][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.233166][ T3767] [ 8606.234866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8606.234866][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8606.234866][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8606.234866][ T3767] ipv6_find_idev+0x102/0x170 [ 8606.234866][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.234866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.234866][ T3767] netlink_rcv_skb+0x130/0x360 [ 8606.234866][ T3767] netlink_unicast+0x449/0x710 [ 8606.234866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8606.234866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8606.234866][ T3767] ___sys_sendmsg+0xee/0x170 [ 8606.234866][ T3767] __sys_sendmsg+0xcd/0x170 [ 8606.234866][ T3767] do_syscall_64+0xc6/0x1e0 [ 8606.234866][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.234866][ T3767] [ 8616.471943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8616.472342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8616.472342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8616.472342][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8616.472342][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8616.472342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8616.472342][ T3767] ip6_route_add+0x1c/0x140 [ 8616.472342][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8616.472342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.472342][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.472342][ T3767] netlink_unicast+0x449/0x710 [ 8616.472342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.472342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.472342][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.472342][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.472342][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.472342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.472342][ T3767] [ 8616.474424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8616.474424][ T3767] netdev_get_by_index+0x5e/0x80 [ 8616.474424][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8616.474424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8616.474424][ T3767] ip6_route_add+0x1c/0x140 [ 8616.474424][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8616.474424][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8616.474424][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.474424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.474424][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.474424][ T3767] netlink_unicast+0x449/0x710 [ 8616.474424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.474424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.474424][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.474424][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.474424][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.474424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.474424][ T3767] [ 8616.476633][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8616.476633][ T3767] netdev_get_by_index+0x5e/0x80 [ 8616.476633][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8616.476633][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8616.476633][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8616.476633][ T3767] ipv6_add_addr+0x411/0x2000 [ 8616.476633][ T3767] inet6_addr_add+0x30e/0xa40 [ 8616.476633][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.476633][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.476633][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.476633][ T3767] netlink_unicast+0x449/0x710 [ 8616.476633][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.476633][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.476633][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.476633][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.476633][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.476633][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.476633][ T3767] [ 8616.478820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8616.478820][ T3767] netdev_get_by_index+0x5e/0x80 [ 8616.478820][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8616.478820][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8616.478820][ T3767] ip6_route_add+0x1c/0x140 [ 8616.478820][ T3767] addrconf_add_mroute+0x129/0x180 [ 8616.478820][ T3767] addrconf_add_dev+0xe2/0x170 [ 8616.478820][ T3767] inet6_addr_add+0x12f/0xa40 [ 8616.478820][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.478820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.478820][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.478820][ T3767] netlink_unicast+0x449/0x710 [ 8616.478820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.478820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.478820][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.478820][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.478820][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.478820][ T3767] [ 8616.480967][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8616.480967][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8616.480967][ T3767] ipv6_find_idev+0x102/0x170 [ 8616.480967][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.480967][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.480967][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.480967][ T3767] netlink_unicast+0x449/0x710 [ 8616.480967][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.480967][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.480967][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.480967][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.480967][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.480967][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.480967][ T3767] [ 8616.482647][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8616.482647][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8616.482647][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8616.482647][ T3767] ipv6_find_idev+0x102/0x170 [ 8616.482647][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.482647][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.482647][ T3767] netlink_rcv_skb+0x130/0x360 [ 8616.482647][ T3767] netlink_unicast+0x449/0x710 [ 8616.482647][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8616.482647][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8616.482647][ T3767] ___sys_sendmsg+0xee/0x170 [ 8616.482647][ T3767] __sys_sendmsg+0xcd/0x170 [ 8616.482647][ T3767] do_syscall_64+0xc6/0x1e0 [ 8616.482647][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.482647][ T3767] [ 8626.719955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8626.720417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8626.720417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8626.720417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8626.720417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8626.720417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8626.720417][ T3767] ip6_route_add+0x1c/0x140 [ 8626.720417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8626.720417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.720417][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.720417][ T3767] netlink_unicast+0x449/0x710 [ 8626.720417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.720417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.720417][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.720417][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.720417][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.720417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.720417][ T3767] [ 8626.722492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8626.722492][ T3767] netdev_get_by_index+0x5e/0x80 [ 8626.722492][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8626.722492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8626.722492][ T3767] ip6_route_add+0x1c/0x140 [ 8626.722492][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8626.722492][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8626.722492][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8626.722492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.722492][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.722492][ T3767] netlink_unicast+0x449/0x710 [ 8626.722492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.722492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.722492][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.722492][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.722492][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.722492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.722492][ T3767] [ 8626.724681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8626.724681][ T3767] netdev_get_by_index+0x5e/0x80 [ 8626.724681][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8626.724681][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8626.724681][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8626.724681][ T3767] ipv6_add_addr+0x411/0x2000 [ 8626.724681][ T3767] inet6_addr_add+0x30e/0xa40 [ 8626.724681][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8626.724681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.724681][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.724681][ T3767] netlink_unicast+0x449/0x710 [ 8626.724681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.724681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.724681][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.724681][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.724681][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.724681][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.724681][ T3767] [ 8626.726879][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8626.726879][ T3767] netdev_get_by_index+0x5e/0x80 [ 8626.726879][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8626.726879][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8626.726879][ T3767] ip6_route_add+0x1c/0x140 [ 8626.726879][ T3767] addrconf_add_mroute+0x129/0x180 [ 8626.726879][ T3767] addrconf_add_dev+0xe2/0x170 [ 8626.726879][ T3767] inet6_addr_add+0x12f/0xa40 [ 8626.726879][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8626.726879][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.726879][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.726879][ T3767] netlink_unicast+0x449/0x710 [ 8626.726879][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.726879][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.726879][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.726879][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.726879][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.726879][ T3767] [ 8626.729033][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8626.729033][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8626.729033][ T3767] ipv6_find_idev+0x102/0x170 [ 8626.729033][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8626.729033][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.729033][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.729033][ T3767] netlink_unicast+0x449/0x710 [ 8626.729033][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.729033][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.729033][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.729033][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.729033][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.729033][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.729033][ T3767] [ 8626.730723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8626.730723][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8626.730723][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8626.730723][ T3767] ipv6_find_idev+0x102/0x170 [ 8626.730723][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8626.730723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.730723][ T3767] netlink_rcv_skb+0x130/0x360 [ 8626.730723][ T3767] netlink_unicast+0x449/0x710 [ 8626.730723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8626.730723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8626.730723][ T3767] ___sys_sendmsg+0xee/0x170 [ 8626.730723][ T3767] __sys_sendmsg+0xcd/0x170 [ 8626.730723][ T3767] do_syscall_64+0xc6/0x1e0 [ 8626.730723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.730723][ T3767] [ 8636.967933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8636.968399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8636.968399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8636.968399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8636.968399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8636.968399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8636.968399][ T3767] ip6_route_add+0x1c/0x140 [ 8636.968399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8636.968399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.968399][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.968399][ T3767] netlink_unicast+0x449/0x710 [ 8636.968399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.968399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.968399][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.968399][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.968399][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.968399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.968399][ T3767] [ 8636.970484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8636.970484][ T3767] netdev_get_by_index+0x5e/0x80 [ 8636.970484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8636.970484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8636.970484][ T3767] ip6_route_add+0x1c/0x140 [ 8636.970484][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8636.970484][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8636.970484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8636.970484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.970484][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.970484][ T3767] netlink_unicast+0x449/0x710 [ 8636.970484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.970484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.970484][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.970484][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.970484][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.970484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.970484][ T3767] [ 8636.972668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8636.972668][ T3767] netdev_get_by_index+0x5e/0x80 [ 8636.972668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8636.972668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8636.972668][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8636.972668][ T3767] ipv6_add_addr+0x411/0x2000 [ 8636.972668][ T3767] inet6_addr_add+0x30e/0xa40 [ 8636.972668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8636.972668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.972668][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.972668][ T3767] netlink_unicast+0x449/0x710 [ 8636.972668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.972668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.972668][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.972668][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.972668][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.972668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.972668][ T3767] [ 8636.974844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8636.974844][ T3767] netdev_get_by_index+0x5e/0x80 [ 8636.974844][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8636.974844][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8636.974844][ T3767] ip6_route_add+0x1c/0x140 [ 8636.974844][ T3767] addrconf_add_mroute+0x129/0x180 [ 8636.974844][ T3767] addrconf_add_dev+0xe2/0x170 [ 8636.974844][ T3767] inet6_addr_add+0x12f/0xa40 [ 8636.974844][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8636.974844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.974844][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.974844][ T3767] netlink_unicast+0x449/0x710 [ 8636.974844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.974844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.974844][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.974844][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.974844][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.974844][ T3767] [ 8636.976997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8636.976997][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8636.976997][ T3767] ipv6_find_idev+0x102/0x170 [ 8636.976997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8636.976997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.976997][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.976997][ T3767] netlink_unicast+0x449/0x710 [ 8636.976997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.976997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.976997][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.976997][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.976997][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.976997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.976997][ T3767] [ 8636.978691][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8636.978691][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8636.978691][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8636.978691][ T3767] ipv6_find_idev+0x102/0x170 [ 8636.978691][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8636.978691][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.978691][ T3767] netlink_rcv_skb+0x130/0x360 [ 8636.978691][ T3767] netlink_unicast+0x449/0x710 [ 8636.978691][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8636.978691][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8636.978691][ T3767] ___sys_sendmsg+0xee/0x170 [ 8636.978691][ T3767] __sys_sendmsg+0xcd/0x170 [ 8636.978691][ T3767] do_syscall_64+0xc6/0x1e0 [ 8636.978691][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.978691][ T3767] [ 8647.215875][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8647.216350][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8647.216350][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8647.216350][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8647.216350][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8647.216350][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8647.216350][ T3767] ip6_route_add+0x1c/0x140 [ 8647.216350][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8647.216350][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.216350][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.216350][ T3767] netlink_unicast+0x449/0x710 [ 8647.216350][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.216350][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.216350][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.216350][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.216350][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.216350][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.216350][ T3767] [ 8647.218448][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8647.218448][ T3767] netdev_get_by_index+0x5e/0x80 [ 8647.218448][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8647.218448][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8647.218448][ T3767] ip6_route_add+0x1c/0x140 [ 8647.218448][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8647.218448][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8647.218448][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.218448][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.218448][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.218448][ T3767] netlink_unicast+0x449/0x710 [ 8647.218448][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.218448][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.218448][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.218448][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.218448][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.218448][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.218448][ T3767] [ 8647.221123][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8647.221123][ T3767] netdev_get_by_index+0x5e/0x80 [ 8647.221123][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8647.221123][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8647.221123][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8647.221123][ T3767] ipv6_add_addr+0x411/0x2000 [ 8647.221123][ T3767] inet6_addr_add+0x30e/0xa40 [ 8647.221123][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.221123][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.221123][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.221123][ T3767] netlink_unicast+0x449/0x710 [ 8647.221123][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.221123][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.221123][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.221123][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.221123][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.221123][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.221123][ T3767] [ 8647.223324][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8647.223324][ T3767] netdev_get_by_index+0x5e/0x80 [ 8647.223324][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8647.223324][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8647.223324][ T3767] ip6_route_add+0x1c/0x140 [ 8647.223324][ T3767] addrconf_add_mroute+0x129/0x180 [ 8647.223324][ T3767] addrconf_add_dev+0xe2/0x170 [ 8647.223324][ T3767] inet6_addr_add+0x12f/0xa40 [ 8647.223324][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.223324][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.223324][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.223324][ T3767] netlink_unicast+0x449/0x710 [ 8647.223324][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.223324][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.223324][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.223324][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.223324][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.223324][ T3767] [ 8647.225494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8647.225494][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8647.225494][ T3767] ipv6_find_idev+0x102/0x170 [ 8647.225494][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.225494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.225494][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.225494][ T3767] netlink_unicast+0x449/0x710 [ 8647.225494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.225494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.225494][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.225494][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.225494][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.225494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.225494][ T3767] [ 8647.227195][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8647.227195][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8647.227195][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8647.227195][ T3767] ipv6_find_idev+0x102/0x170 [ 8647.227195][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.227195][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.227195][ T3767] netlink_rcv_skb+0x130/0x360 [ 8647.227195][ T3767] netlink_unicast+0x449/0x710 [ 8647.227195][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8647.227195][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8647.227195][ T3767] ___sys_sendmsg+0xee/0x170 [ 8647.227195][ T3767] __sys_sendmsg+0xcd/0x170 [ 8647.227195][ T3767] do_syscall_64+0xc6/0x1e0 [ 8647.227195][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.227195][ T3767] [ 8657.471931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8657.472392][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8657.472392][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8657.472392][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8657.472392][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8657.472392][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8657.472392][ T3767] ip6_route_add+0x1c/0x140 [ 8657.472392][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8657.472392][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.472392][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.472392][ T3767] netlink_unicast+0x449/0x710 [ 8657.472392][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.472392][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.472392][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.472392][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.472392][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.472392][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.472392][ T3767] [ 8657.474475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8657.474475][ T3767] netdev_get_by_index+0x5e/0x80 [ 8657.474475][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8657.474475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8657.474475][ T3767] ip6_route_add+0x1c/0x140 [ 8657.474475][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8657.474475][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8657.474475][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.474475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.474475][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.474475][ T3767] netlink_unicast+0x449/0x710 [ 8657.474475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.474475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.474475][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.474475][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.474475][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.474475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.474475][ T3767] [ 8657.476665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8657.476665][ T3767] netdev_get_by_index+0x5e/0x80 [ 8657.476665][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8657.476665][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8657.476665][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8657.476665][ T3767] ipv6_add_addr+0x411/0x2000 [ 8657.476665][ T3767] inet6_addr_add+0x30e/0xa40 [ 8657.476665][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.476665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.476665][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.476665][ T3767] netlink_unicast+0x449/0x710 [ 8657.476665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.476665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.476665][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.476665][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.476665][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.476665][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.476665][ T3767] [ 8657.478873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8657.478873][ T3767] netdev_get_by_index+0x5e/0x80 [ 8657.478873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8657.478873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8657.478873][ T3767] ip6_route_add+0x1c/0x140 [ 8657.478873][ T3767] addrconf_add_mroute+0x129/0x180 [ 8657.478873][ T3767] addrconf_add_dev+0xe2/0x170 [ 8657.478873][ T3767] inet6_addr_add+0x12f/0xa40 [ 8657.478873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.478873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.478873][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.478873][ T3767] netlink_unicast+0x449/0x710 [ 8657.478873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.478873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.478873][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.478873][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.478873][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.478873][ T3767] [ 8657.481010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8657.481010][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8657.481010][ T3767] ipv6_find_idev+0x102/0x170 [ 8657.481010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.481010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.481010][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.481010][ T3767] netlink_unicast+0x449/0x710 [ 8657.481010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.481010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.481010][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.481010][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.481010][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.481010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.481010][ T3767] [ 8657.482683][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8657.482683][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8657.482683][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8657.482683][ T3767] ipv6_find_idev+0x102/0x170 [ 8657.482683][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.482683][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.482683][ T3767] netlink_rcv_skb+0x130/0x360 [ 8657.482683][ T3767] netlink_unicast+0x449/0x710 [ 8657.482683][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8657.482683][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8657.482683][ T3767] ___sys_sendmsg+0xee/0x170 [ 8657.482683][ T3767] __sys_sendmsg+0xcd/0x170 [ 8657.482683][ T3767] do_syscall_64+0xc6/0x1e0 [ 8657.482683][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.482683][ T3767] [ 8667.727937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8667.728332][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8667.728332][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8667.728332][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8667.728332][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8667.728332][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8667.728332][ T3767] ip6_route_add+0x1c/0x140 [ 8667.728332][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8667.728332][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.728332][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.728332][ T3767] netlink_unicast+0x449/0x710 [ 8667.728332][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.728332][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.728332][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.728332][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.728332][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.728332][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.728332][ T3767] [ 8667.730494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8667.730494][ T3767] netdev_get_by_index+0x5e/0x80 [ 8667.730494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8667.730494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8667.730494][ T3767] ip6_route_add+0x1c/0x140 [ 8667.730494][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8667.730494][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8667.730494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8667.730494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.730494][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.730494][ T3767] netlink_unicast+0x449/0x710 [ 8667.730494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.730494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.730494][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.730494][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.730494][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.730494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.730494][ T3767] [ 8667.732682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8667.732682][ T3767] netdev_get_by_index+0x5e/0x80 [ 8667.732682][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8667.732682][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8667.732682][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8667.732682][ T3767] ipv6_add_addr+0x411/0x2000 [ 8667.732682][ T3767] inet6_addr_add+0x30e/0xa40 [ 8667.732682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8667.732682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.732682][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.732682][ T3767] netlink_unicast+0x449/0x710 [ 8667.732682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.732682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.732682][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.732682][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.732682][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.732682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.732682][ T3767] [ 8667.735231][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8667.735231][ T3767] netdev_get_by_index+0x5e/0x80 [ 8667.735231][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8667.735231][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8667.735231][ T3767] ip6_route_add+0x1c/0x140 [ 8667.735231][ T3767] addrconf_add_mroute+0x129/0x180 [ 8667.735231][ T3767] addrconf_add_dev+0xe2/0x170 [ 8667.735231][ T3767] inet6_addr_add+0x12f/0xa40 [ 8667.735231][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8667.735231][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.735231][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.735231][ T3767] netlink_unicast+0x449/0x710 [ 8667.735231][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.735231][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.735231][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.735231][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.735231][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.735231][ T3767] [ 8667.737386][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8667.737386][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8667.737386][ T3767] ipv6_find_idev+0x102/0x170 [ 8667.737386][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8667.737386][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.737386][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.737386][ T3767] netlink_unicast+0x449/0x710 [ 8667.737386][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.737386][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.737386][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.737386][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.737386][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.737386][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.737386][ T3767] [ 8667.739066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8667.739066][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8667.739066][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8667.739066][ T3767] ipv6_find_idev+0x102/0x170 [ 8667.739066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8667.739066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.739066][ T3767] netlink_rcv_skb+0x130/0x360 [ 8667.739066][ T3767] netlink_unicast+0x449/0x710 [ 8667.739066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8667.739066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8667.739066][ T3767] ___sys_sendmsg+0xee/0x170 [ 8667.739066][ T3767] __sys_sendmsg+0xcd/0x170 [ 8667.739066][ T3767] do_syscall_64+0xc6/0x1e0 [ 8667.739066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.739066][ T3767] [ 8677.983932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8677.984392][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8677.984392][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8677.984392][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8677.984392][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8677.984392][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8677.984392][ T3767] ip6_route_add+0x1c/0x140 [ 8677.984392][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8677.984392][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.984392][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.984392][ T3767] netlink_unicast+0x449/0x710 [ 8677.984392][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.984392][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.984392][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.984392][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.984392][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.984392][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.984392][ T3767] [ 8677.986464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8677.986464][ T3767] netdev_get_by_index+0x5e/0x80 [ 8677.986464][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8677.986464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8677.986464][ T3767] ip6_route_add+0x1c/0x140 [ 8677.986464][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8677.986464][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8677.986464][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8677.986464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.986464][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.986464][ T3767] netlink_unicast+0x449/0x710 [ 8677.986464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.986464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.986464][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.986464][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.986464][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.986464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.986464][ T3767] [ 8677.988654][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8677.988654][ T3767] netdev_get_by_index+0x5e/0x80 [ 8677.988654][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8677.988654][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8677.988654][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8677.988654][ T3767] ipv6_add_addr+0x411/0x2000 [ 8677.988654][ T3767] inet6_addr_add+0x30e/0xa40 [ 8677.988654][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8677.988654][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.988654][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.988654][ T3767] netlink_unicast+0x449/0x710 [ 8677.988654][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.988654][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.988654][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.988654][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.988654][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.988654][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.988654][ T3767] [ 8677.990833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8677.990833][ T3767] netdev_get_by_index+0x5e/0x80 [ 8677.990833][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8677.990833][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8677.990833][ T3767] ip6_route_add+0x1c/0x140 [ 8677.990833][ T3767] addrconf_add_mroute+0x129/0x180 [ 8677.990833][ T3767] addrconf_add_dev+0xe2/0x170 [ 8677.990833][ T3767] inet6_addr_add+0x12f/0xa40 [ 8677.990833][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8677.990833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.990833][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.990833][ T3767] netlink_unicast+0x449/0x710 [ 8677.990833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.990833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.990833][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.990833][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.990833][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.990833][ T3767] [ 8677.992989][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8677.992989][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8677.992989][ T3767] ipv6_find_idev+0x102/0x170 [ 8677.992989][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8677.992989][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.992989][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.992989][ T3767] netlink_unicast+0x449/0x710 [ 8677.992989][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.992989][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.992989][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.992989][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.992989][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.992989][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.992989][ T3767] [ 8677.994667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8677.994667][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8677.994667][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8677.994667][ T3767] ipv6_find_idev+0x102/0x170 [ 8677.994667][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8677.994667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.994667][ T3767] netlink_rcv_skb+0x130/0x360 [ 8677.994667][ T3767] netlink_unicast+0x449/0x710 [ 8677.994667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8677.994667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8677.994667][ T3767] ___sys_sendmsg+0xee/0x170 [ 8677.994667][ T3767] __sys_sendmsg+0xcd/0x170 [ 8677.994667][ T3767] do_syscall_64+0xc6/0x1e0 [ 8677.994667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.994667][ T3767] [ 8688.231932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8688.232387][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8688.232387][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8688.232387][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8688.232387][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8688.232387][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8688.232387][ T3767] ip6_route_add+0x1c/0x140 [ 8688.232387][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8688.232387][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.232387][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.232387][ T3767] netlink_unicast+0x449/0x710 [ 8688.232387][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.232387][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.232387][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.232387][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.232387][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.232387][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.232387][ T3767] [ 8688.234464][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8688.234464][ T3767] netdev_get_by_index+0x5e/0x80 [ 8688.234464][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8688.234464][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8688.234464][ T3767] ip6_route_add+0x1c/0x140 [ 8688.234464][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8688.234464][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8688.234464][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.234464][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.234464][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.234464][ T3767] netlink_unicast+0x449/0x710 [ 8688.234464][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.234464][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.234464][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.234464][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.234464][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.234464][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.234464][ T3767] [ 8688.236670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8688.236670][ T3767] netdev_get_by_index+0x5e/0x80 [ 8688.236670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8688.236670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8688.236670][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8688.236670][ T3767] ipv6_add_addr+0x411/0x2000 [ 8688.236670][ T3767] inet6_addr_add+0x30e/0xa40 [ 8688.236670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.236670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.236670][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.236670][ T3767] netlink_unicast+0x449/0x710 [ 8688.236670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.236670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.236670][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.236670][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.236670][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.236670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.236670][ T3767] [ 8688.238853][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8688.238853][ T3767] netdev_get_by_index+0x5e/0x80 [ 8688.238853][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8688.238853][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8688.238853][ T3767] ip6_route_add+0x1c/0x140 [ 8688.238853][ T3767] addrconf_add_mroute+0x129/0x180 [ 8688.238853][ T3767] addrconf_add_dev+0xe2/0x170 [ 8688.238853][ T3767] inet6_addr_add+0x12f/0xa40 [ 8688.238853][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8688.238853][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.238853][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.238853][ T3767] netlink_unicast+0x449/0x710 [ 8688.238853][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.238853][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.238853][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.238853][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.238853][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.238853][ T3767] [ 8688.241014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8688.241014][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8688.241014][ T3767] ipv6_find_idev+0x102/0x170 [ 8688.241014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8688.241014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.241014][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.241014][ T3767] netlink_unicast+0x449/0x710 [ 8688.241014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.241014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.241014][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.241014][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.241014][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.241014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.241014][ T3767] [ 8688.242693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8688.242693][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8688.242693][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8688.242693][ T3767] ipv6_find_idev+0x102/0x170 [ 8688.242693][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8688.242693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8688.242693][ T3767] netlink_rcv_skb+0x130/0x360 [ 8688.242693][ T3767] netlink_unicast+0x449/0x710 [ 8688.242693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8688.242693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8688.242693][ T3767] ___sys_sendmsg+0xee/0x170 [ 8688.242693][ T3767] __sys_sendmsg+0xcd/0x170 [ 8688.242693][ T3767] do_syscall_64+0xc6/0x1e0 [ 8688.242693][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8688.242693][ T3767] [ 8698.479961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8698.480361][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8698.480361][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8698.480361][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8698.480361][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8698.480361][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8698.480361][ T3767] ip6_route_add+0x1c/0x140 [ 8698.480361][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8698.480361][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.480361][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.480361][ T3767] netlink_unicast+0x449/0x710 [ 8698.480361][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.480361][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.480361][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.480361][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.480361][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.480361][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.480361][ T3767] [ 8698.482433][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8698.482433][ T3767] netdev_get_by_index+0x5e/0x80 [ 8698.482433][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8698.482433][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8698.482433][ T3767] ip6_route_add+0x1c/0x140 [ 8698.482433][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8698.482433][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8698.482433][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.482433][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.482433][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.482433][ T3767] netlink_unicast+0x449/0x710 [ 8698.482433][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.482433][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.482433][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.482433][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.482433][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.482433][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.482433][ T3767] [ 8698.484622][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8698.484622][ T3767] netdev_get_by_index+0x5e/0x80 [ 8698.484622][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8698.484622][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8698.484622][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8698.484622][ T3767] ipv6_add_addr+0x411/0x2000 [ 8698.484622][ T3767] inet6_addr_add+0x30e/0xa40 [ 8698.484622][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.484622][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.484622][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.484622][ T3767] netlink_unicast+0x449/0x710 [ 8698.484622][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.484622][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.484622][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.484622][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.484622][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.484622][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.484622][ T3767] [ 8698.486812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8698.486812][ T3767] netdev_get_by_index+0x5e/0x80 [ 8698.486812][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8698.486812][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8698.486812][ T3767] ip6_route_add+0x1c/0x140 [ 8698.486812][ T3767] addrconf_add_mroute+0x129/0x180 [ 8698.486812][ T3767] addrconf_add_dev+0xe2/0x170 [ 8698.486812][ T3767] inet6_addr_add+0x12f/0xa40 [ 8698.486812][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8698.486812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.486812][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.486812][ T3767] netlink_unicast+0x449/0x710 [ 8698.486812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.486812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.486812][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.486812][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.486812][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.486812][ T3767] [ 8698.488956][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8698.488956][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8698.488956][ T3767] ipv6_find_idev+0x102/0x170 [ 8698.488956][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8698.488956][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.488956][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.488956][ T3767] netlink_unicast+0x449/0x710 [ 8698.488956][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.488956][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.488956][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.488956][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.488956][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.488956][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.488956][ T3767] [ 8698.490634][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8698.490634][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8698.490634][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8698.490634][ T3767] ipv6_find_idev+0x102/0x170 [ 8698.490634][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8698.490634][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8698.490634][ T3767] netlink_rcv_skb+0x130/0x360 [ 8698.490634][ T3767] netlink_unicast+0x449/0x710 [ 8698.490634][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8698.490634][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8698.490634][ T3767] ___sys_sendmsg+0xee/0x170 [ 8698.490634][ T3767] __sys_sendmsg+0xcd/0x170 [ 8698.490634][ T3767] do_syscall_64+0xc6/0x1e0 [ 8698.490634][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8698.490634][ T3767] [ 8708.727963][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8708.728440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8708.728440][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8708.728440][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8708.728440][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8708.728440][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8708.728440][ T3767] ip6_route_add+0x1c/0x140 [ 8708.728440][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8708.728440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.728440][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.728440][ T3767] netlink_unicast+0x449/0x710 [ 8708.728440][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.728440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.728440][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.728440][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.728440][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.728440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.728440][ T3767] [ 8708.730524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8708.730524][ T3767] netdev_get_by_index+0x5e/0x80 [ 8708.730524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8708.730524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8708.730524][ T3767] ip6_route_add+0x1c/0x140 [ 8708.730524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8708.730524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8708.730524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.730524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.730524][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.730524][ T3767] netlink_unicast+0x449/0x710 [ 8708.730524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.730524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.730524][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.730524][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.730524][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.730524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.730524][ T3767] [ 8708.732812][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8708.732812][ T3767] netdev_get_by_index+0x5e/0x80 [ 8708.732812][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8708.732812][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8708.732812][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8708.732812][ T3767] ipv6_add_addr+0x411/0x2000 [ 8708.732812][ T3767] inet6_addr_add+0x30e/0xa40 [ 8708.732812][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.732812][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.732812][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.732812][ T3767] netlink_unicast+0x449/0x710 [ 8708.732812][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.732812][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.732812][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.732812][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.732812][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.732812][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.732812][ T3767] [ 8708.734987][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8708.734987][ T3767] netdev_get_by_index+0x5e/0x80 [ 8708.734987][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8708.734987][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8708.734987][ T3767] ip6_route_add+0x1c/0x140 [ 8708.734987][ T3767] addrconf_add_mroute+0x129/0x180 [ 8708.734987][ T3767] addrconf_add_dev+0xe2/0x170 [ 8708.734987][ T3767] inet6_addr_add+0x12f/0xa40 [ 8708.734987][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8708.734987][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.734987][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.734987][ T3767] netlink_unicast+0x449/0x710 [ 8708.734987][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.734987][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.734987][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.734987][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.734987][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.734987][ T3767] [ 8708.737147][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8708.737147][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8708.737147][ T3767] ipv6_find_idev+0x102/0x170 [ 8708.737147][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8708.737147][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.737147][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.737147][ T3767] netlink_unicast+0x449/0x710 [ 8708.737147][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.737147][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.737147][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.737147][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.737147][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.737147][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.737147][ T3767] [ 8708.738820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8708.738820][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8708.738820][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8708.738820][ T3767] ipv6_find_idev+0x102/0x170 [ 8708.738820][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8708.738820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8708.738820][ T3767] netlink_rcv_skb+0x130/0x360 [ 8708.738820][ T3767] netlink_unicast+0x449/0x710 [ 8708.738820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8708.738820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8708.738820][ T3767] ___sys_sendmsg+0xee/0x170 [ 8708.738820][ T3767] __sys_sendmsg+0xcd/0x170 [ 8708.738820][ T3767] do_syscall_64+0xc6/0x1e0 [ 8708.738820][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8708.738820][ T3767] [ 8718.975872][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8718.976286][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8718.976286][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8718.976286][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8718.976286][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8718.976286][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8718.976286][ T3767] ip6_route_add+0x1c/0x140 [ 8718.976286][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8718.976286][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.976286][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.976286][ T3767] netlink_unicast+0x449/0x710 [ 8718.976286][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.976286][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.976286][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.976286][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.976286][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.976286][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8718.976286][ T3767] [ 8718.978372][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8718.978372][ T3767] netdev_get_by_index+0x5e/0x80 [ 8718.978372][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8718.978372][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8718.978372][ T3767] ip6_route_add+0x1c/0x140 [ 8718.978372][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8718.978372][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8718.978372][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8718.978372][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.978372][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.978372][ T3767] netlink_unicast+0x449/0x710 [ 8718.978372][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.978372][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.978372][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.978372][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.978372][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.978372][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8718.978372][ T3767] [ 8718.980556][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8718.980556][ T3767] netdev_get_by_index+0x5e/0x80 [ 8718.980556][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8718.980556][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8718.980556][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8718.980556][ T3767] ipv6_add_addr+0x411/0x2000 [ 8718.980556][ T3767] inet6_addr_add+0x30e/0xa40 [ 8718.980556][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8718.980556][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.980556][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.980556][ T3767] netlink_unicast+0x449/0x710 [ 8718.980556][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.980556][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.980556][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.980556][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.980556][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.980556][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8718.980556][ T3767] [ 8718.982734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8718.982734][ T3767] netdev_get_by_index+0x5e/0x80 [ 8718.982734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8718.982734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8718.982734][ T3767] ip6_route_add+0x1c/0x140 [ 8718.982734][ T3767] addrconf_add_mroute+0x129/0x180 [ 8718.982734][ T3767] addrconf_add_dev+0xe2/0x170 [ 8718.982734][ T3767] inet6_addr_add+0x12f/0xa40 [ 8718.982734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8718.982734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.982734][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.982734][ T3767] netlink_unicast+0x449/0x710 [ 8718.982734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.982734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.982734][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.982734][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.982734][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.982734][ T3767] [ 8718.984882][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8718.984882][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8718.984882][ T3767] ipv6_find_idev+0x102/0x170 [ 8718.984882][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8718.984882][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.984882][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.984882][ T3767] netlink_unicast+0x449/0x710 [ 8718.984882][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.984882][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.984882][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.984882][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.984882][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.984882][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8718.984882][ T3767] [ 8718.986571][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8718.986571][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8718.986571][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8718.986571][ T3767] ipv6_find_idev+0x102/0x170 [ 8718.986571][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8718.986571][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8718.986571][ T3767] netlink_rcv_skb+0x130/0x360 [ 8718.986571][ T3767] netlink_unicast+0x449/0x710 [ 8718.986571][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8718.986571][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8718.986571][ T3767] ___sys_sendmsg+0xee/0x170 [ 8718.986571][ T3767] __sys_sendmsg+0xcd/0x170 [ 8718.986571][ T3767] do_syscall_64+0xc6/0x1e0 [ 8718.986571][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8718.986571][ T3767] [ 8729.223946][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8729.224405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8729.224405][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8729.224405][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8729.224405][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8729.224405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8729.224405][ T3767] ip6_route_add+0x1c/0x140 [ 8729.224405][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8729.224405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.224405][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.224405][ T3767] netlink_unicast+0x449/0x710 [ 8729.224405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.224405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.224405][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.224405][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.224405][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.224405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.224405][ T3767] [ 8729.226501][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8729.226501][ T3767] netdev_get_by_index+0x5e/0x80 [ 8729.226501][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8729.226501][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8729.226501][ T3767] ip6_route_add+0x1c/0x140 [ 8729.226501][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8729.226501][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8729.226501][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.226501][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.226501][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.226501][ T3767] netlink_unicast+0x449/0x710 [ 8729.226501][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.226501][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.226501][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.226501][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.226501][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.226501][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.226501][ T3767] [ 8729.228678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8729.228678][ T3767] netdev_get_by_index+0x5e/0x80 [ 8729.228678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8729.228678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8729.228678][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8729.228678][ T3767] ipv6_add_addr+0x411/0x2000 [ 8729.228678][ T3767] inet6_addr_add+0x30e/0xa40 [ 8729.228678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.228678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.228678][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.228678][ T3767] netlink_unicast+0x449/0x710 [ 8729.228678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.228678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.228678][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.228678][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.228678][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.228678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.228678][ T3767] [ 8729.230849][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8729.230849][ T3767] netdev_get_by_index+0x5e/0x80 [ 8729.230849][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8729.230849][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8729.230849][ T3767] ip6_route_add+0x1c/0x140 [ 8729.230849][ T3767] addrconf_add_mroute+0x129/0x180 [ 8729.230849][ T3767] addrconf_add_dev+0xe2/0x170 [ 8729.230849][ T3767] inet6_addr_add+0x12f/0xa40 [ 8729.230849][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8729.230849][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.230849][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.230849][ T3767] netlink_unicast+0x449/0x710 [ 8729.230849][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.230849][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.230849][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.230849][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.230849][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.230849][ T3767] [ 8729.232980][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8729.232980][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8729.232980][ T3767] ipv6_find_idev+0x102/0x170 [ 8729.232980][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8729.232980][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.232980][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.232980][ T3767] netlink_unicast+0x449/0x710 [ 8729.232980][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.232980][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.232980][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.232980][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.232980][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.232980][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.232980][ T3767] [ 8729.234653][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8729.234653][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8729.234653][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8729.234653][ T3767] ipv6_find_idev+0x102/0x170 [ 8729.234653][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8729.234653][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8729.234653][ T3767] netlink_rcv_skb+0x130/0x360 [ 8729.234653][ T3767] netlink_unicast+0x449/0x710 [ 8729.234653][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8729.234653][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8729.234653][ T3767] ___sys_sendmsg+0xee/0x170 [ 8729.234653][ T3767] __sys_sendmsg+0xcd/0x170 [ 8729.234653][ T3767] do_syscall_64+0xc6/0x1e0 [ 8729.234653][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8729.234653][ T3767] [ 8739.471937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8739.472401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8739.472401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8739.472401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8739.472401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8739.472401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8739.472401][ T3767] ip6_route_add+0x1c/0x140 [ 8739.472401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8739.472401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.472401][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.472401][ T3767] netlink_unicast+0x449/0x710 [ 8739.472401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.472401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.472401][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.472401][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.472401][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.472401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.472401][ T3767] [ 8739.474466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8739.474466][ T3767] netdev_get_by_index+0x5e/0x80 [ 8739.474466][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8739.474466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8739.474466][ T3767] ip6_route_add+0x1c/0x140 [ 8739.474466][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8739.474466][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8739.474466][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.474466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.474466][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.474466][ T3767] netlink_unicast+0x449/0x710 [ 8739.474466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.474466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.474466][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.474466][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.474466][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.474466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.474466][ T3767] [ 8739.476686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8739.476686][ T3767] netdev_get_by_index+0x5e/0x80 [ 8739.476686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8739.476686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8739.476686][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8739.476686][ T3767] ipv6_add_addr+0x411/0x2000 [ 8739.476686][ T3767] inet6_addr_add+0x30e/0xa40 [ 8739.476686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.476686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.476686][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.476686][ T3767] netlink_unicast+0x449/0x710 [ 8739.476686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.476686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.476686][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.476686][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.476686][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.476686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.476686][ T3767] [ 8739.478862][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8739.478862][ T3767] netdev_get_by_index+0x5e/0x80 [ 8739.478862][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8739.478862][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8739.478862][ T3767] ip6_route_add+0x1c/0x140 [ 8739.478862][ T3767] addrconf_add_mroute+0x129/0x180 [ 8739.478862][ T3767] addrconf_add_dev+0xe2/0x170 [ 8739.478862][ T3767] inet6_addr_add+0x12f/0xa40 [ 8739.478862][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8739.478862][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.478862][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.478862][ T3767] netlink_unicast+0x449/0x710 [ 8739.478862][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.478862][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.478862][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.478862][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.478862][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.478862][ T3767] [ 8739.480996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8739.480996][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8739.480996][ T3767] ipv6_find_idev+0x102/0x170 [ 8739.480996][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8739.480996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.480996][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.480996][ T3767] netlink_unicast+0x449/0x710 [ 8739.480996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.480996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.480996][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.480996][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.480996][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.480996][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.480996][ T3767] [ 8739.482669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8739.482669][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8739.482669][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8739.482669][ T3767] ipv6_find_idev+0x102/0x170 [ 8739.482669][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8739.482669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8739.482669][ T3767] netlink_rcv_skb+0x130/0x360 [ 8739.482669][ T3767] netlink_unicast+0x449/0x710 [ 8739.482669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8739.482669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8739.482669][ T3767] ___sys_sendmsg+0xee/0x170 [ 8739.482669][ T3767] __sys_sendmsg+0xcd/0x170 [ 8739.482669][ T3767] do_syscall_64+0xc6/0x1e0 [ 8739.482669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8739.482669][ T3767] [ 8749.719960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8749.720465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8749.720465][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8749.720465][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8749.720465][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8749.720465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8749.720465][ T3767] ip6_route_add+0x1c/0x140 [ 8749.720465][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8749.720465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.720465][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.720465][ T3767] netlink_unicast+0x449/0x710 [ 8749.720465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.720465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.720465][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.720465][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.720465][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.720465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.720465][ T3767] [ 8749.722538][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8749.722538][ T3767] netdev_get_by_index+0x5e/0x80 [ 8749.722538][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8749.722538][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8749.722538][ T3767] ip6_route_add+0x1c/0x140 [ 8749.722538][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8749.722538][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8749.722538][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.722538][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.722538][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.722538][ T3767] netlink_unicast+0x449/0x710 [ 8749.722538][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.722538][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.722538][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.722538][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.722538][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.722538][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.722538][ T3767] [ 8749.724744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8749.724744][ T3767] netdev_get_by_index+0x5e/0x80 [ 8749.724744][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8749.724744][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8749.724744][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8749.724744][ T3767] ipv6_add_addr+0x411/0x2000 [ 8749.724744][ T3767] inet6_addr_add+0x30e/0xa40 [ 8749.724744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.724744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.724744][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.724744][ T3767] netlink_unicast+0x449/0x710 [ 8749.724744][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.724744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.724744][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.724744][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.724744][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.724744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.724744][ T3767] [ 8749.726935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8749.726935][ T3767] netdev_get_by_index+0x5e/0x80 [ 8749.726935][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8749.726935][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8749.726935][ T3767] ip6_route_add+0x1c/0x140 [ 8749.726935][ T3767] addrconf_add_mroute+0x129/0x180 [ 8749.726935][ T3767] addrconf_add_dev+0xe2/0x170 [ 8749.726935][ T3767] inet6_addr_add+0x12f/0xa40 [ 8749.726935][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8749.726935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.726935][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.726935][ T3767] netlink_unicast+0x449/0x710 [ 8749.726935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.726935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.726935][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.726935][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.726935][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.726935][ T3767] [ 8749.729087][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8749.729087][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8749.729087][ T3767] ipv6_find_idev+0x102/0x170 [ 8749.729087][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8749.729087][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.729087][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.729087][ T3767] netlink_unicast+0x449/0x710 [ 8749.729087][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.729087][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.729087][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.729087][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.729087][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.729087][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.729087][ T3767] [ 8749.730770][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8749.730770][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8749.730770][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8749.730770][ T3767] ipv6_find_idev+0x102/0x170 [ 8749.730770][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8749.730770][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8749.730770][ T3767] netlink_rcv_skb+0x130/0x360 [ 8749.730770][ T3767] netlink_unicast+0x449/0x710 [ 8749.730770][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8749.730770][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8749.730770][ T3767] ___sys_sendmsg+0xee/0x170 [ 8749.730770][ T3767] __sys_sendmsg+0xcd/0x170 [ 8749.730770][ T3767] do_syscall_64+0xc6/0x1e0 [ 8749.730770][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8749.730770][ T3767] [ 8759.967932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8759.968391][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8759.968391][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8759.968391][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8759.968391][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8759.968391][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8759.968391][ T3767] ip6_route_add+0x1c/0x140 [ 8759.968391][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8759.968391][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.968391][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.968391][ T3767] netlink_unicast+0x449/0x710 [ 8759.968391][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.968391][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.968391][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.968391][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.968391][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.968391][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.968391][ T3767] [ 8759.970468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8759.970468][ T3767] netdev_get_by_index+0x5e/0x80 [ 8759.970468][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8759.970468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8759.970468][ T3767] ip6_route_add+0x1c/0x140 [ 8759.970468][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8759.970468][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8759.970468][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.970468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.970468][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.970468][ T3767] netlink_unicast+0x449/0x710 [ 8759.970468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.970468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.970468][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.970468][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.970468][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.970468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.970468][ T3767] [ 8759.972678][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8759.972678][ T3767] netdev_get_by_index+0x5e/0x80 [ 8759.972678][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8759.972678][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8759.972678][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8759.972678][ T3767] ipv6_add_addr+0x411/0x2000 [ 8759.972678][ T3767] inet6_addr_add+0x30e/0xa40 [ 8759.972678][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.972678][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.972678][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.972678][ T3767] netlink_unicast+0x449/0x710 [ 8759.972678][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.972678][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.972678][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.972678][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.972678][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.972678][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.972678][ T3767] [ 8759.974867][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8759.974867][ T3767] netdev_get_by_index+0x5e/0x80 [ 8759.974867][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8759.974867][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8759.974867][ T3767] ip6_route_add+0x1c/0x140 [ 8759.974867][ T3767] addrconf_add_mroute+0x129/0x180 [ 8759.974867][ T3767] addrconf_add_dev+0xe2/0x170 [ 8759.974867][ T3767] inet6_addr_add+0x12f/0xa40 [ 8759.974867][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8759.974867][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.974867][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.974867][ T3767] netlink_unicast+0x449/0x710 [ 8759.974867][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.974867][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.974867][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.974867][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.974867][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.974867][ T3767] [ 8759.977025][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8759.977025][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8759.977025][ T3767] ipv6_find_idev+0x102/0x170 [ 8759.977025][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8759.977025][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.977025][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.977025][ T3767] netlink_unicast+0x449/0x710 [ 8759.977025][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.977025][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.977025][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.977025][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.977025][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.977025][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.977025][ T3767] [ 8759.978702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8759.978702][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8759.978702][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8759.978702][ T3767] ipv6_find_idev+0x102/0x170 [ 8759.978702][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8759.978702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8759.978702][ T3767] netlink_rcv_skb+0x130/0x360 [ 8759.978702][ T3767] netlink_unicast+0x449/0x710 [ 8759.978702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8759.978702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8759.978702][ T3767] ___sys_sendmsg+0xee/0x170 [ 8759.978702][ T3767] __sys_sendmsg+0xcd/0x170 [ 8759.978702][ T3767] do_syscall_64+0xc6/0x1e0 [ 8759.978702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8759.978702][ T3767] [ 8770.215873][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8770.216278][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8770.216278][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8770.216278][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8770.216278][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8770.216278][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8770.216278][ T3767] ip6_route_add+0x1c/0x140 [ 8770.216278][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8770.216278][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.216278][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.216278][ T3767] netlink_unicast+0x449/0x710 [ 8770.216278][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.216278][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.216278][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.216278][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.216278][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.216278][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.216278][ T3767] [ 8770.218394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8770.218394][ T3767] netdev_get_by_index+0x5e/0x80 [ 8770.218394][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8770.218394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8770.218394][ T3767] ip6_route_add+0x1c/0x140 [ 8770.218394][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8770.218394][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8770.218394][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.218394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.218394][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.218394][ T3767] netlink_unicast+0x449/0x710 [ 8770.218394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.218394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.218394][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.218394][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.218394][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.218394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.218394][ T3767] [ 8770.220578][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8770.220578][ T3767] netdev_get_by_index+0x5e/0x80 [ 8770.220578][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8770.220578][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8770.220578][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8770.220578][ T3767] ipv6_add_addr+0x411/0x2000 [ 8770.220578][ T3767] inet6_addr_add+0x30e/0xa40 [ 8770.220578][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.220578][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.220578][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.220578][ T3767] netlink_unicast+0x449/0x710 [ 8770.220578][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.220578][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.220578][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.220578][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.220578][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.220578][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.220578][ T3767] [ 8770.222765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8770.222765][ T3767] netdev_get_by_index+0x5e/0x80 [ 8770.222765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8770.222765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8770.222765][ T3767] ip6_route_add+0x1c/0x140 [ 8770.222765][ T3767] addrconf_add_mroute+0x129/0x180 [ 8770.222765][ T3767] addrconf_add_dev+0xe2/0x170 [ 8770.222765][ T3767] inet6_addr_add+0x12f/0xa40 [ 8770.222765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.222765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.222765][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.222765][ T3767] netlink_unicast+0x449/0x710 [ 8770.222765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.222765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.222765][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.222765][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.222765][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.222765][ T3767] [ 8770.224918][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8770.224918][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8770.224918][ T3767] ipv6_find_idev+0x102/0x170 [ 8770.224918][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.224918][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.224918][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.224918][ T3767] netlink_unicast+0x449/0x710 [ 8770.224918][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.224918][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.224918][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.224918][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.224918][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.224918][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.224918][ T3767] [ 8770.226641][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8770.226641][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8770.226641][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8770.226641][ T3767] ipv6_find_idev+0x102/0x170 [ 8770.226641][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.226641][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.226641][ T3767] netlink_rcv_skb+0x130/0x360 [ 8770.226641][ T3767] netlink_unicast+0x449/0x710 [ 8770.226641][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8770.226641][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8770.226641][ T3767] ___sys_sendmsg+0xee/0x170 [ 8770.226641][ T3767] __sys_sendmsg+0xcd/0x170 [ 8770.226641][ T3767] do_syscall_64+0xc6/0x1e0 [ 8770.226641][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.226641][ T3767] [ 8780.463931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8780.464394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8780.464394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8780.464394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8780.464394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8780.464394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8780.464394][ T3767] ip6_route_add+0x1c/0x140 [ 8780.464394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8780.464394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.464394][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.464394][ T3767] netlink_unicast+0x449/0x710 [ 8780.464394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.464394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.464394][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.464394][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.464394][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.464394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.464394][ T3767] [ 8780.466480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8780.466480][ T3767] netdev_get_by_index+0x5e/0x80 [ 8780.466480][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8780.466480][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8780.466480][ T3767] ip6_route_add+0x1c/0x140 [ 8780.466480][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8780.466480][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8780.466480][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.466480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.466480][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.466480][ T3767] netlink_unicast+0x449/0x710 [ 8780.466480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.466480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.466480][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.466480][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.466480][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.466480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.466480][ T3767] [ 8780.469145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8780.469145][ T3767] netdev_get_by_index+0x5e/0x80 [ 8780.469145][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8780.469145][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8780.469145][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8780.469145][ T3767] ipv6_add_addr+0x411/0x2000 [ 8780.469145][ T3767] inet6_addr_add+0x30e/0xa40 [ 8780.469145][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.469145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.469145][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.469145][ T3767] netlink_unicast+0x449/0x710 [ 8780.469145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.469145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.469145][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.469145][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.469145][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.469145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.469145][ T3767] [ 8780.471738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8780.471738][ T3767] netdev_get_by_index+0x5e/0x80 [ 8780.471738][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8780.471738][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8780.471738][ T3767] ip6_route_add+0x1c/0x140 [ 8780.471738][ T3767] addrconf_add_mroute+0x129/0x180 [ 8780.471738][ T3767] addrconf_add_dev+0xe2/0x170 [ 8780.471738][ T3767] inet6_addr_add+0x12f/0xa40 [ 8780.471738][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.471738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.471738][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.471738][ T3767] netlink_unicast+0x449/0x710 [ 8780.471738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.471738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.471738][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.471738][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.471738][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.471738][ T3767] [ 8780.473883][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8780.473883][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8780.473883][ T3767] ipv6_find_idev+0x102/0x170 [ 8780.473883][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.473883][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.473883][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.473883][ T3767] netlink_unicast+0x449/0x710 [ 8780.473883][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.473883][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.473883][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.473883][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.473883][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.473883][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.473883][ T3767] [ 8780.475562][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8780.475562][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8780.475562][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8780.475562][ T3767] ipv6_find_idev+0x102/0x170 [ 8780.475562][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.475562][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.475562][ T3767] netlink_rcv_skb+0x130/0x360 [ 8780.475562][ T3767] netlink_unicast+0x449/0x710 [ 8780.475562][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8780.475562][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8780.475562][ T3767] ___sys_sendmsg+0xee/0x170 [ 8780.475562][ T3767] __sys_sendmsg+0xcd/0x170 [ 8780.475562][ T3767] do_syscall_64+0xc6/0x1e0 [ 8780.475562][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.475562][ T3767] [ 8790.719945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8790.720343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8790.720343][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8790.720343][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8790.720343][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8790.720343][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8790.720343][ T3767] ip6_route_add+0x1c/0x140 [ 8790.720343][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8790.720343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.720343][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.720343][ T3767] netlink_unicast+0x449/0x710 [ 8790.720343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.720343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.720343][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.720343][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.720343][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.720343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.720343][ T3767] [ 8790.722408][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8790.722408][ T3767] netdev_get_by_index+0x5e/0x80 [ 8790.722408][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8790.722408][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8790.722408][ T3767] ip6_route_add+0x1c/0x140 [ 8790.722408][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8790.722408][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8790.722408][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.722408][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.722408][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.722408][ T3767] netlink_unicast+0x449/0x710 [ 8790.722408][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.722408][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.722408][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.722408][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.722408][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.722408][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.722408][ T3767] [ 8790.724633][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8790.724633][ T3767] netdev_get_by_index+0x5e/0x80 [ 8790.724633][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8790.724633][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8790.724633][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8790.724633][ T3767] ipv6_add_addr+0x411/0x2000 [ 8790.724633][ T3767] inet6_addr_add+0x30e/0xa40 [ 8790.724633][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.724633][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.724633][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.724633][ T3767] netlink_unicast+0x449/0x710 [ 8790.724633][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.724633][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.724633][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.724633][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.724633][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.724633][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.724633][ T3767] [ 8790.726831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8790.726831][ T3767] netdev_get_by_index+0x5e/0x80 [ 8790.726831][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8790.726831][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8790.726831][ T3767] ip6_route_add+0x1c/0x140 [ 8790.726831][ T3767] addrconf_add_mroute+0x129/0x180 [ 8790.726831][ T3767] addrconf_add_dev+0xe2/0x170 [ 8790.726831][ T3767] inet6_addr_add+0x12f/0xa40 [ 8790.726831][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8790.726831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.726831][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.726831][ T3767] netlink_unicast+0x449/0x710 [ 8790.726831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.726831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.726831][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.726831][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.726831][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.726831][ T3767] [ 8790.728969][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8790.728969][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8790.728969][ T3767] ipv6_find_idev+0x102/0x170 [ 8790.728969][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8790.728969][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.728969][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.728969][ T3767] netlink_unicast+0x449/0x710 [ 8790.728969][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.728969][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.728969][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.728969][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.728969][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.728969][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.728969][ T3767] [ 8790.730645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8790.730645][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8790.730645][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8790.730645][ T3767] ipv6_find_idev+0x102/0x170 [ 8790.730645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8790.730645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8790.730645][ T3767] netlink_rcv_skb+0x130/0x360 [ 8790.730645][ T3767] netlink_unicast+0x449/0x710 [ 8790.730645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8790.730645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8790.730645][ T3767] ___sys_sendmsg+0xee/0x170 [ 8790.730645][ T3767] __sys_sendmsg+0xcd/0x170 [ 8790.730645][ T3767] do_syscall_64+0xc6/0x1e0 [ 8790.730645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8790.730645][ T3767] [ 8800.968002][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8800.968400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8800.968400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8800.968400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8800.968400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8800.968400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8800.968400][ T3767] ip6_route_add+0x1c/0x140 [ 8800.968400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8800.968400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.968400][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.968400][ T3767] netlink_unicast+0x449/0x710 [ 8800.968400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.968400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.968400][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.968400][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.968400][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.968400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.968400][ T3767] [ 8800.970470][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8800.970470][ T3767] netdev_get_by_index+0x5e/0x80 [ 8800.970470][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8800.970470][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8800.970470][ T3767] ip6_route_add+0x1c/0x140 [ 8800.970470][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8800.970470][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8800.970470][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.970470][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.970470][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.970470][ T3767] netlink_unicast+0x449/0x710 [ 8800.970470][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.970470][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.970470][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.970470][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.970470][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.970470][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.970470][ T3767] [ 8800.973128][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8800.973128][ T3767] netdev_get_by_index+0x5e/0x80 [ 8800.973128][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8800.973128][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8800.973128][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8800.973128][ T3767] ipv6_add_addr+0x411/0x2000 [ 8800.973128][ T3767] inet6_addr_add+0x30e/0xa40 [ 8800.973128][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.973128][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.973128][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.973128][ T3767] netlink_unicast+0x449/0x710 [ 8800.973128][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.973128][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.973128][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.973128][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.973128][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.973128][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.973128][ T3767] [ 8800.975309][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8800.975309][ T3767] netdev_get_by_index+0x5e/0x80 [ 8800.975309][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8800.975309][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8800.975309][ T3767] ip6_route_add+0x1c/0x140 [ 8800.975309][ T3767] addrconf_add_mroute+0x129/0x180 [ 8800.975309][ T3767] addrconf_add_dev+0xe2/0x170 [ 8800.975309][ T3767] inet6_addr_add+0x12f/0xa40 [ 8800.975309][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8800.975309][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.975309][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.975309][ T3767] netlink_unicast+0x449/0x710 [ 8800.975309][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.975309][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.975309][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.975309][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.975309][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.975309][ T3767] [ 8800.977457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8800.977457][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8800.977457][ T3767] ipv6_find_idev+0x102/0x170 [ 8800.977457][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8800.977457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.977457][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.977457][ T3767] netlink_unicast+0x449/0x710 [ 8800.977457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.977457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.977457][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.977457][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.977457][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.977457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.977457][ T3767] [ 8800.979515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8800.979515][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8800.979515][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8800.979515][ T3767] ipv6_find_idev+0x102/0x170 [ 8800.979515][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8800.979515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8800.979515][ T3767] netlink_rcv_skb+0x130/0x360 [ 8800.979515][ T3767] netlink_unicast+0x449/0x710 [ 8800.979515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8800.979515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8800.979515][ T3767] ___sys_sendmsg+0xee/0x170 [ 8800.979515][ T3767] __sys_sendmsg+0xcd/0x170 [ 8800.979515][ T3767] do_syscall_64+0xc6/0x1e0 [ 8800.979515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8800.979515][ T3767] [ 8810.999874][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8811.000268][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8811.000268][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8811.000268][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8811.000268][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8811.000268][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8811.000268][ T3767] ip6_route_add+0x1c/0x140 [ 8811.000268][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8811.000268][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.000268][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.000268][ T3767] netlink_unicast+0x449/0x710 [ 8811.000268][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.000268][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.000268][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.000268][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.000268][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.000268][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.000268][ T3767] [ 8811.002425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8811.002425][ T3767] netdev_get_by_index+0x5e/0x80 [ 8811.002425][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8811.002425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8811.002425][ T3767] ip6_route_add+0x1c/0x140 [ 8811.002425][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8811.002425][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8811.002425][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.002425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.002425][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.002425][ T3767] netlink_unicast+0x449/0x710 [ 8811.002425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.002425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.002425][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.002425][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.002425][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.002425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.002425][ T3767] [ 8811.004643][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8811.004643][ T3767] netdev_get_by_index+0x5e/0x80 [ 8811.004643][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8811.004643][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8811.004643][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8811.004643][ T3767] ipv6_add_addr+0x411/0x2000 [ 8811.004643][ T3767] inet6_addr_add+0x30e/0xa40 [ 8811.004643][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.004643][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.004643][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.004643][ T3767] netlink_unicast+0x449/0x710 [ 8811.004643][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.004643][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.004643][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.004643][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.004643][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.004643][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.004643][ T3767] [ 8811.006847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8811.006847][ T3767] netdev_get_by_index+0x5e/0x80 [ 8811.006847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8811.006847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8811.006847][ T3767] ip6_route_add+0x1c/0x140 [ 8811.006847][ T3767] addrconf_add_mroute+0x129/0x180 [ 8811.006847][ T3767] addrconf_add_dev+0xe2/0x170 [ 8811.006847][ T3767] inet6_addr_add+0x12f/0xa40 [ 8811.006847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.006847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.006847][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.006847][ T3767] netlink_unicast+0x449/0x710 [ 8811.006847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.006847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.006847][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.006847][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.006847][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.006847][ T3767] [ 8811.008991][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8811.008991][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8811.008991][ T3767] ipv6_find_idev+0x102/0x170 [ 8811.008991][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.008991][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.008991][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.008991][ T3767] netlink_unicast+0x449/0x710 [ 8811.008991][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.008991][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.008991][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.008991][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.008991][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.008991][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.008991][ T3767] [ 8811.010668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8811.010668][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8811.010668][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8811.010668][ T3767] ipv6_find_idev+0x102/0x170 [ 8811.010668][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.010668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.010668][ T3767] netlink_rcv_skb+0x130/0x360 [ 8811.010668][ T3767] netlink_unicast+0x449/0x710 [ 8811.010668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8811.010668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8811.010668][ T3767] ___sys_sendmsg+0xee/0x170 [ 8811.010668][ T3767] __sys_sendmsg+0xcd/0x170 [ 8811.010668][ T3767] do_syscall_64+0xc6/0x1e0 [ 8811.010668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.010668][ T3767] [ 8821.167982][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8821.168458][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8821.168458][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8821.168458][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8821.168458][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8821.168458][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8821.168458][ T3767] ip6_route_add+0x1c/0x140 [ 8821.168458][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8821.168458][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.168458][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.168458][ T3767] netlink_unicast+0x449/0x710 [ 8821.168458][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.168458][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.168458][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.168458][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.168458][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.168458][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.168458][ T3767] [ 8821.170550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8821.170550][ T3767] netdev_get_by_index+0x5e/0x80 [ 8821.170550][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8821.170550][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8821.170550][ T3767] ip6_route_add+0x1c/0x140 [ 8821.170550][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8821.170550][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8821.170550][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.170550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.170550][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.170550][ T3767] netlink_unicast+0x449/0x710 [ 8821.170550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.170550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.170550][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.170550][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.170550][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.170550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.170550][ T3767] [ 8821.172760][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8821.172760][ T3767] netdev_get_by_index+0x5e/0x80 [ 8821.172760][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8821.172760][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8821.172760][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8821.172760][ T3767] ipv6_add_addr+0x411/0x2000 [ 8821.172760][ T3767] inet6_addr_add+0x30e/0xa40 [ 8821.172760][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.172760][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.172760][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.172760][ T3767] netlink_unicast+0x449/0x710 [ 8821.172760][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.172760][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.172760][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.172760][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.172760][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.172760][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.172760][ T3767] [ 8821.174965][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8821.174965][ T3767] netdev_get_by_index+0x5e/0x80 [ 8821.174965][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8821.174965][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8821.174965][ T3767] ip6_route_add+0x1c/0x140 [ 8821.174965][ T3767] addrconf_add_mroute+0x129/0x180 [ 8821.174965][ T3767] addrconf_add_dev+0xe2/0x170 [ 8821.174965][ T3767] inet6_addr_add+0x12f/0xa40 [ 8821.174965][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.174965][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.174965][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.174965][ T3767] netlink_unicast+0x449/0x710 [ 8821.174965][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.174965][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.174965][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.174965][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.174965][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.174965][ T3767] [ 8821.177145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8821.177145][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8821.177145][ T3767] ipv6_find_idev+0x102/0x170 [ 8821.177145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.177145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.177145][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.177145][ T3767] netlink_unicast+0x449/0x710 [ 8821.177145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.177145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.177145][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.177145][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.177145][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.177145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.177145][ T3767] [ 8821.178845][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8821.178845][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8821.178845][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8821.178845][ T3767] ipv6_find_idev+0x102/0x170 [ 8821.178845][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.178845][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.178845][ T3767] netlink_rcv_skb+0x130/0x360 [ 8821.178845][ T3767] netlink_unicast+0x449/0x710 [ 8821.178845][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8821.178845][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8821.178845][ T3767] ___sys_sendmsg+0xee/0x170 [ 8821.178845][ T3767] __sys_sendmsg+0xcd/0x170 [ 8821.178845][ T3767] do_syscall_64+0xc6/0x1e0 [ 8821.178845][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.178845][ T3767] [ 8831.415889][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8831.416301][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8831.416301][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8831.416301][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8831.416301][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8831.416301][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8831.416301][ T3767] ip6_route_add+0x1c/0x140 [ 8831.416301][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8831.416301][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.416301][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.416301][ T3767] netlink_unicast+0x449/0x710 [ 8831.416301][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.416301][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.416301][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.416301][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.416301][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.416301][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.416301][ T3767] [ 8831.418372][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8831.418372][ T3767] netdev_get_by_index+0x5e/0x80 [ 8831.418372][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8831.418372][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8831.418372][ T3767] ip6_route_add+0x1c/0x140 [ 8831.418372][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8831.418372][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8831.418372][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.418372][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.418372][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.418372][ T3767] netlink_unicast+0x449/0x710 [ 8831.418372][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.418372][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.418372][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.418372][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.418372][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.418372][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.418372][ T3767] [ 8831.420575][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8831.420575][ T3767] netdev_get_by_index+0x5e/0x80 [ 8831.420575][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8831.420575][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8831.420575][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8831.420575][ T3767] ipv6_add_addr+0x411/0x2000 [ 8831.420575][ T3767] inet6_addr_add+0x30e/0xa40 [ 8831.420575][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.420575][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.420575][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.420575][ T3767] netlink_unicast+0x449/0x710 [ 8831.420575][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.420575][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.420575][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.420575][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.420575][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.420575][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.420575][ T3767] [ 8831.422773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8831.422773][ T3767] netdev_get_by_index+0x5e/0x80 [ 8831.422773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8831.422773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8831.422773][ T3767] ip6_route_add+0x1c/0x140 [ 8831.422773][ T3767] addrconf_add_mroute+0x129/0x180 [ 8831.422773][ T3767] addrconf_add_dev+0xe2/0x170 [ 8831.422773][ T3767] inet6_addr_add+0x12f/0xa40 [ 8831.422773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8831.422773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.422773][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.422773][ T3767] netlink_unicast+0x449/0x710 [ 8831.422773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.422773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.422773][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.422773][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.422773][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.422773][ T3767] [ 8831.424923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8831.424923][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8831.424923][ T3767] ipv6_find_idev+0x102/0x170 [ 8831.424923][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8831.424923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.424923][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.424923][ T3767] netlink_unicast+0x449/0x710 [ 8831.424923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.424923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.424923][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.424923][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.424923][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.424923][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.424923][ T3767] [ 8831.426611][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8831.426611][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8831.426611][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8831.426611][ T3767] ipv6_find_idev+0x102/0x170 [ 8831.426611][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8831.426611][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8831.426611][ T3767] netlink_rcv_skb+0x130/0x360 [ 8831.426611][ T3767] netlink_unicast+0x449/0x710 [ 8831.426611][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8831.426611][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8831.426611][ T3767] ___sys_sendmsg+0xee/0x170 [ 8831.426611][ T3767] __sys_sendmsg+0xcd/0x170 [ 8831.426611][ T3767] do_syscall_64+0xc6/0x1e0 [ 8831.426611][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8831.426611][ T3767] [ 8841.543935][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8841.544340][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8841.544340][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8841.544340][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8841.544340][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8841.544340][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8841.544340][ T3767] ip6_route_add+0x1c/0x140 [ 8841.544340][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8841.544340][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.544340][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.544340][ T3767] netlink_unicast+0x449/0x710 [ 8841.544340][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.544340][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.544340][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.544340][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.544340][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.544340][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.544340][ T3767] [ 8841.546549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8841.546549][ T3767] netdev_get_by_index+0x5e/0x80 [ 8841.546549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8841.546549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8841.546549][ T3767] ip6_route_add+0x1c/0x140 [ 8841.546549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8841.546549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8841.546549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.546549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.546549][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.546549][ T3767] netlink_unicast+0x449/0x710 [ 8841.546549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.546549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.546549][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.546549][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.546549][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.546549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.546549][ T3767] [ 8841.548731][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8841.548731][ T3767] netdev_get_by_index+0x5e/0x80 [ 8841.548731][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8841.548731][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8841.548731][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8841.548731][ T3767] ipv6_add_addr+0x411/0x2000 [ 8841.548731][ T3767] inet6_addr_add+0x30e/0xa40 [ 8841.548731][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.548731][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.548731][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.548731][ T3767] netlink_unicast+0x449/0x710 [ 8841.548731][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.548731][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.548731][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.548731][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.548731][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.548731][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.548731][ T3767] [ 8841.550935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8841.550935][ T3767] netdev_get_by_index+0x5e/0x80 [ 8841.550935][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8841.550935][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8841.550935][ T3767] ip6_route_add+0x1c/0x140 [ 8841.550935][ T3767] addrconf_add_mroute+0x129/0x180 [ 8841.550935][ T3767] addrconf_add_dev+0xe2/0x170 [ 8841.550935][ T3767] inet6_addr_add+0x12f/0xa40 [ 8841.550935][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8841.550935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.550935][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.550935][ T3767] netlink_unicast+0x449/0x710 [ 8841.550935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.550935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.550935][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.550935][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.550935][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.550935][ T3767] [ 8841.553083][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8841.553083][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8841.553083][ T3767] ipv6_find_idev+0x102/0x170 [ 8841.553083][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8841.553083][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.553083][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.553083][ T3767] netlink_unicast+0x449/0x710 [ 8841.553083][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.553083][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.553083][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.553083][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.553083][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.553083][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.553083][ T3767] [ 8841.554761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8841.554761][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8841.554761][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8841.554761][ T3767] ipv6_find_idev+0x102/0x170 [ 8841.554761][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8841.554761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8841.554761][ T3767] netlink_rcv_skb+0x130/0x360 [ 8841.554761][ T3767] netlink_unicast+0x449/0x710 [ 8841.554761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8841.554761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8841.554761][ T3767] ___sys_sendmsg+0xee/0x170 [ 8841.554761][ T3767] __sys_sendmsg+0xcd/0x170 [ 8841.554761][ T3767] do_syscall_64+0xc6/0x1e0 [ 8841.554761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8841.554761][ T3767] [ 8851.751939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8851.752437][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8851.752437][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8851.752437][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8851.752437][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8851.752437][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8851.752437][ T3767] ip6_route_add+0x1c/0x140 [ 8851.752437][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8851.752437][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.752437][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.752437][ T3767] netlink_unicast+0x449/0x710 [ 8851.752437][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.752437][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.752437][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.752437][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.752437][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.752437][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.752437][ T3767] [ 8851.754513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8851.754513][ T3767] netdev_get_by_index+0x5e/0x80 [ 8851.754513][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8851.754513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8851.754513][ T3767] ip6_route_add+0x1c/0x140 [ 8851.754513][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8851.754513][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8851.754513][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.754513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.754513][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.754513][ T3767] netlink_unicast+0x449/0x710 [ 8851.754513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.754513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.754513][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.754513][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.754513][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.754513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.754513][ T3767] [ 8851.756718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8851.756718][ T3767] netdev_get_by_index+0x5e/0x80 [ 8851.756718][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8851.756718][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8851.756718][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8851.756718][ T3767] ipv6_add_addr+0x411/0x2000 [ 8851.756718][ T3767] inet6_addr_add+0x30e/0xa40 [ 8851.756718][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.756718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.756718][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.756718][ T3767] netlink_unicast+0x449/0x710 [ 8851.756718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.756718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.756718][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.756718][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.756718][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.756718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.756718][ T3767] [ 8851.758887][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8851.758887][ T3767] netdev_get_by_index+0x5e/0x80 [ 8851.758887][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8851.758887][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8851.758887][ T3767] ip6_route_add+0x1c/0x140 [ 8851.758887][ T3767] addrconf_add_mroute+0x129/0x180 [ 8851.758887][ T3767] addrconf_add_dev+0xe2/0x170 [ 8851.758887][ T3767] inet6_addr_add+0x12f/0xa40 [ 8851.758887][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8851.758887][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.758887][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.758887][ T3767] netlink_unicast+0x449/0x710 [ 8851.758887][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.758887][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.758887][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.758887][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.758887][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.758887][ T3767] [ 8851.761028][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8851.761028][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8851.761028][ T3767] ipv6_find_idev+0x102/0x170 [ 8851.761028][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8851.761028][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.761028][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.761028][ T3767] netlink_unicast+0x449/0x710 [ 8851.761028][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.761028][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.761028][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.761028][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.761028][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.761028][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.761028][ T3767] [ 8851.762709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8851.762709][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8851.762709][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8851.762709][ T3767] ipv6_find_idev+0x102/0x170 [ 8851.762709][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8851.762709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8851.762709][ T3767] netlink_rcv_skb+0x130/0x360 [ 8851.762709][ T3767] netlink_unicast+0x449/0x710 [ 8851.762709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8851.762709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8851.762709][ T3767] ___sys_sendmsg+0xee/0x170 [ 8851.762709][ T3767] __sys_sendmsg+0xcd/0x170 [ 8851.762709][ T3767] do_syscall_64+0xc6/0x1e0 [ 8851.762709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8851.762709][ T3767] [ 8861.919965][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8861.920436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8861.920436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8861.920436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8861.920436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8861.920436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8861.920436][ T3767] ip6_route_add+0x1c/0x140 [ 8861.920436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8861.920436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.920436][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.920436][ T3767] netlink_unicast+0x449/0x710 [ 8861.920436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.920436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.920436][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.920436][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.920436][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.920436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.920436][ T3767] [ 8861.922510][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8861.922510][ T3767] netdev_get_by_index+0x5e/0x80 [ 8861.922510][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8861.922510][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8861.922510][ T3767] ip6_route_add+0x1c/0x140 [ 8861.922510][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8861.922510][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8861.922510][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.922510][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.922510][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.922510][ T3767] netlink_unicast+0x449/0x710 [ 8861.922510][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.922510][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.922510][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.922510][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.922510][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.922510][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.922510][ T3767] [ 8861.924695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8861.924695][ T3767] netdev_get_by_index+0x5e/0x80 [ 8861.924695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8861.924695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8861.924695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8861.924695][ T3767] ipv6_add_addr+0x411/0x2000 [ 8861.924695][ T3767] inet6_addr_add+0x30e/0xa40 [ 8861.924695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.924695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.924695][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.924695][ T3767] netlink_unicast+0x449/0x710 [ 8861.924695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.924695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.924695][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.924695][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.924695][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.924695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.924695][ T3767] [ 8861.926889][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8861.926889][ T3767] netdev_get_by_index+0x5e/0x80 [ 8861.926889][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8861.926889][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8861.926889][ T3767] ip6_route_add+0x1c/0x140 [ 8861.926889][ T3767] addrconf_add_mroute+0x129/0x180 [ 8861.926889][ T3767] addrconf_add_dev+0xe2/0x170 [ 8861.926889][ T3767] inet6_addr_add+0x12f/0xa40 [ 8861.926889][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.926889][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.926889][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.926889][ T3767] netlink_unicast+0x449/0x710 [ 8861.926889][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.926889][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.926889][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.926889][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.926889][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.926889][ T3767] [ 8861.929042][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8861.929042][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8861.929042][ T3767] ipv6_find_idev+0x102/0x170 [ 8861.929042][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.929042][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.929042][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.929042][ T3767] netlink_unicast+0x449/0x710 [ 8861.929042][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.929042][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.929042][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.929042][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.929042][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.929042][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.929042][ T3767] [ 8861.930720][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8861.930720][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8861.930720][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8861.930720][ T3767] ipv6_find_idev+0x102/0x170 [ 8861.930720][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.930720][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.930720][ T3767] netlink_rcv_skb+0x130/0x360 [ 8861.930720][ T3767] netlink_unicast+0x449/0x710 [ 8861.930720][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8861.930720][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8861.930720][ T3767] ___sys_sendmsg+0xee/0x170 [ 8861.930720][ T3767] __sys_sendmsg+0xcd/0x170 [ 8861.930720][ T3767] do_syscall_64+0xc6/0x1e0 [ 8861.930720][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.930720][ T3767] [ 8872.167967][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8872.168429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8872.168429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8872.168429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8872.168429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8872.168429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8872.168429][ T3767] ip6_route_add+0x1c/0x140 [ 8872.168429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8872.168429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.168429][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.168429][ T3767] netlink_unicast+0x449/0x710 [ 8872.168429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.168429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.168429][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.168429][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.168429][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.168429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8872.168429][ T3767] [ 8872.170500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8872.170500][ T3767] netdev_get_by_index+0x5e/0x80 [ 8872.170500][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8872.170500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8872.170500][ T3767] ip6_route_add+0x1c/0x140 [ 8872.170500][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8872.170500][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8872.170500][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8872.170500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.170500][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.170500][ T3767] netlink_unicast+0x449/0x710 [ 8872.170500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.170500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.170500][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.170500][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.170500][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.170500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8872.170500][ T3767] [ 8872.172676][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8872.172676][ T3767] netdev_get_by_index+0x5e/0x80 [ 8872.172676][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8872.172676][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8872.172676][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8872.172676][ T3767] ipv6_add_addr+0x411/0x2000 [ 8872.172676][ T3767] inet6_addr_add+0x30e/0xa40 [ 8872.172676][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8872.172676][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.172676][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.172676][ T3767] netlink_unicast+0x449/0x710 [ 8872.172676][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.172676][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.172676][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.172676][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.172676][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.172676][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8872.172676][ T3767] [ 8872.174863][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8872.174863][ T3767] netdev_get_by_index+0x5e/0x80 [ 8872.174863][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8872.174863][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8872.174863][ T3767] ip6_route_add+0x1c/0x140 [ 8872.174863][ T3767] addrconf_add_mroute+0x129/0x180 [ 8872.174863][ T3767] addrconf_add_dev+0xe2/0x170 [ 8872.174863][ T3767] inet6_addr_add+0x12f/0xa40 [ 8872.174863][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8872.174863][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.174863][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.174863][ T3767] netlink_unicast+0x449/0x710 [ 8872.174863][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.174863][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.174863][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.174863][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.174863][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.174863][ T3767] [ 8872.177014][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8872.177014][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8872.177014][ T3767] ipv6_find_idev+0x102/0x170 [ 8872.177014][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8872.177014][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.177014][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.177014][ T3767] netlink_unicast+0x449/0x710 [ 8872.177014][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.177014][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.177014][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.177014][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.177014][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.177014][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8872.177014][ T3767] [ 8872.178686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8872.178686][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8872.178686][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8872.178686][ T3767] ipv6_find_idev+0x102/0x170 [ 8872.178686][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8872.178686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8872.178686][ T3767] netlink_rcv_skb+0x130/0x360 [ 8872.178686][ T3767] netlink_unicast+0x449/0x710 [ 8872.178686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8872.178686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8872.178686][ T3767] ___sys_sendmsg+0xee/0x170 [ 8872.178686][ T3767] __sys_sendmsg+0xcd/0x170 [ 8872.178686][ T3767] do_syscall_64+0xc6/0x1e0 [ 8872.178686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8872.178686][ T3767] [ 8882.199929][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8882.200399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8882.200399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8882.200399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8882.200399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8882.200399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8882.200399][ T3767] ip6_route_add+0x1c/0x140 [ 8882.200399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8882.200399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.200399][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.200399][ T3767] netlink_unicast+0x449/0x710 [ 8882.200399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.200399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.200399][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.200399][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.200399][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.200399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.200399][ T3767] [ 8882.202465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8882.202465][ T3767] netdev_get_by_index+0x5e/0x80 [ 8882.202465][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8882.202465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8882.202465][ T3767] ip6_route_add+0x1c/0x140 [ 8882.202465][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8882.202465][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8882.202465][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.202465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.202465][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.202465][ T3767] netlink_unicast+0x449/0x710 [ 8882.202465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.202465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.202465][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.202465][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.202465][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.202465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.202465][ T3767] [ 8882.204645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8882.204645][ T3767] netdev_get_by_index+0x5e/0x80 [ 8882.204645][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8882.204645][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8882.204645][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8882.204645][ T3767] ipv6_add_addr+0x411/0x2000 [ 8882.204645][ T3767] inet6_addr_add+0x30e/0xa40 [ 8882.204645][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.204645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.204645][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.204645][ T3767] netlink_unicast+0x449/0x710 [ 8882.204645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.204645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.204645][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.204645][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.204645][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.204645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.204645][ T3767] [ 8882.206851][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8882.206851][ T3767] netdev_get_by_index+0x5e/0x80 [ 8882.206851][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8882.206851][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8882.206851][ T3767] ip6_route_add+0x1c/0x140 [ 8882.206851][ T3767] addrconf_add_mroute+0x129/0x180 [ 8882.206851][ T3767] addrconf_add_dev+0xe2/0x170 [ 8882.206851][ T3767] inet6_addr_add+0x12f/0xa40 [ 8882.206851][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8882.206851][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.206851][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.206851][ T3767] netlink_unicast+0x449/0x710 [ 8882.206851][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.206851][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.206851][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.206851][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.206851][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.206851][ T3767] [ 8882.208992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8882.208992][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8882.208992][ T3767] ipv6_find_idev+0x102/0x170 [ 8882.208992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8882.208992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.208992][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.208992][ T3767] netlink_unicast+0x449/0x710 [ 8882.208992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.208992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.208992][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.208992][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.208992][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.208992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.208992][ T3767] [ 8882.210670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8882.210670][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8882.210670][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8882.210670][ T3767] ipv6_find_idev+0x102/0x170 [ 8882.210670][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8882.210670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8882.210670][ T3767] netlink_rcv_skb+0x130/0x360 [ 8882.210670][ T3767] netlink_unicast+0x449/0x710 [ 8882.210670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8882.210670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8882.210670][ T3767] ___sys_sendmsg+0xee/0x170 [ 8882.210670][ T3767] __sys_sendmsg+0xcd/0x170 [ 8882.210670][ T3767] do_syscall_64+0xc6/0x1e0 [ 8882.210670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8882.210670][ T3767] [ 8892.447933][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8892.448429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8892.448429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8892.448429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8892.448429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8892.448429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8892.448429][ T3767] ip6_route_add+0x1c/0x140 [ 8892.448429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8892.448429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.448429][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.448429][ T3767] netlink_unicast+0x449/0x710 [ 8892.448429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.448429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.448429][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.448429][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.448429][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.448429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.448429][ T3767] [ 8892.450495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8892.450495][ T3767] netdev_get_by_index+0x5e/0x80 [ 8892.450495][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8892.450495][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8892.450495][ T3767] ip6_route_add+0x1c/0x140 [ 8892.450495][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8892.450495][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8892.450495][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.450495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.450495][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.450495][ T3767] netlink_unicast+0x449/0x710 [ 8892.450495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.450495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.450495][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.450495][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.450495][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.450495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.450495][ T3767] [ 8892.452675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8892.452675][ T3767] netdev_get_by_index+0x5e/0x80 [ 8892.452675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8892.452675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8892.452675][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8892.452675][ T3767] ipv6_add_addr+0x411/0x2000 [ 8892.452675][ T3767] inet6_addr_add+0x30e/0xa40 [ 8892.452675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.452675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.452675][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.452675][ T3767] netlink_unicast+0x449/0x710 [ 8892.452675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.452675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.452675][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.452675][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.452675][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.452675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.452675][ T3767] [ 8892.454851][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8892.454851][ T3767] netdev_get_by_index+0x5e/0x80 [ 8892.454851][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8892.454851][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8892.454851][ T3767] ip6_route_add+0x1c/0x140 [ 8892.454851][ T3767] addrconf_add_mroute+0x129/0x180 [ 8892.454851][ T3767] addrconf_add_dev+0xe2/0x170 [ 8892.454851][ T3767] inet6_addr_add+0x12f/0xa40 [ 8892.454851][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8892.454851][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.454851][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.454851][ T3767] netlink_unicast+0x449/0x710 [ 8892.454851][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.454851][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.454851][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.454851][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.454851][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.454851][ T3767] [ 8892.456997][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8892.456997][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8892.456997][ T3767] ipv6_find_idev+0x102/0x170 [ 8892.456997][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8892.456997][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.456997][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.456997][ T3767] netlink_unicast+0x449/0x710 [ 8892.456997][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.456997][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.456997][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.456997][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.456997][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.456997][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.456997][ T3767] [ 8892.458709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8892.458709][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8892.458709][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8892.458709][ T3767] ipv6_find_idev+0x102/0x170 [ 8892.458709][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8892.458709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8892.458709][ T3767] netlink_rcv_skb+0x130/0x360 [ 8892.458709][ T3767] netlink_unicast+0x449/0x710 [ 8892.458709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8892.458709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8892.458709][ T3767] ___sys_sendmsg+0xee/0x170 [ 8892.458709][ T3767] __sys_sendmsg+0xcd/0x170 [ 8892.458709][ T3767] do_syscall_64+0xc6/0x1e0 [ 8892.458709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8892.458709][ T3767] [ 8902.695877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8902.696346][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8902.696346][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8902.696346][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8902.696346][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8902.696346][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8902.696346][ T3767] ip6_route_add+0x1c/0x140 [ 8902.696346][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8902.696346][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.696346][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.696346][ T3767] netlink_unicast+0x449/0x710 [ 8902.696346][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.696346][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.696346][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.696346][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.696346][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.696346][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.696346][ T3767] [ 8902.698484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8902.698484][ T3767] netdev_get_by_index+0x5e/0x80 [ 8902.698484][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8902.698484][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8902.698484][ T3767] ip6_route_add+0x1c/0x140 [ 8902.698484][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8902.698484][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8902.698484][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.698484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.698484][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.698484][ T3767] netlink_unicast+0x449/0x710 [ 8902.698484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.698484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.698484][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.698484][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.698484][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.698484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.698484][ T3767] [ 8902.700689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8902.700689][ T3767] netdev_get_by_index+0x5e/0x80 [ 8902.700689][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8902.700689][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8902.700689][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8902.700689][ T3767] ipv6_add_addr+0x411/0x2000 [ 8902.700689][ T3767] inet6_addr_add+0x30e/0xa40 [ 8902.700689][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.700689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.700689][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.700689][ T3767] netlink_unicast+0x449/0x710 [ 8902.700689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.700689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.700689][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.700689][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.700689][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.700689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.700689][ T3767] [ 8902.702886][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8902.702886][ T3767] netdev_get_by_index+0x5e/0x80 [ 8902.702886][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8902.702886][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8902.702886][ T3767] ip6_route_add+0x1c/0x140 [ 8902.702886][ T3767] addrconf_add_mroute+0x129/0x180 [ 8902.702886][ T3767] addrconf_add_dev+0xe2/0x170 [ 8902.702886][ T3767] inet6_addr_add+0x12f/0xa40 [ 8902.702886][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8902.702886][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.702886][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.702886][ T3767] netlink_unicast+0x449/0x710 [ 8902.702886][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.702886][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.702886][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.702886][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.702886][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.702886][ T3767] [ 8902.705061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8902.705061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8902.705061][ T3767] ipv6_find_idev+0x102/0x170 [ 8902.705061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8902.705061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.705061][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.705061][ T3767] netlink_unicast+0x449/0x710 [ 8902.705061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.705061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.705061][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.705061][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.705061][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.705061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.705061][ T3767] [ 8902.706749][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8902.706749][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8902.706749][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8902.706749][ T3767] ipv6_find_idev+0x102/0x170 [ 8902.706749][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8902.706749][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8902.706749][ T3767] netlink_rcv_skb+0x130/0x360 [ 8902.706749][ T3767] netlink_unicast+0x449/0x710 [ 8902.706749][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8902.706749][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8902.706749][ T3767] ___sys_sendmsg+0xee/0x170 [ 8902.706749][ T3767] __sys_sendmsg+0xcd/0x170 [ 8902.706749][ T3767] do_syscall_64+0xc6/0x1e0 [ 8902.706749][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8902.706749][ T3767] [ 8912.847938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8912.848393][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8912.848393][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8912.848393][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8912.848393][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8912.848393][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8912.848393][ T3767] ip6_route_add+0x1c/0x140 [ 8912.848393][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8912.848393][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.848393][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.848393][ T3767] netlink_unicast+0x449/0x710 [ 8912.848393][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.848393][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.848393][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.848393][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.848393][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.848393][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.848393][ T3767] [ 8912.850467][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8912.850467][ T3767] netdev_get_by_index+0x5e/0x80 [ 8912.850467][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8912.850467][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8912.850467][ T3767] ip6_route_add+0x1c/0x140 [ 8912.850467][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8912.850467][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8912.850467][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.850467][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.850467][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.850467][ T3767] netlink_unicast+0x449/0x710 [ 8912.850467][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.850467][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.850467][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.850467][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.850467][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.850467][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.850467][ T3767] [ 8912.852641][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8912.852641][ T3767] netdev_get_by_index+0x5e/0x80 [ 8912.852641][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8912.852641][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8912.852641][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8912.852641][ T3767] ipv6_add_addr+0x411/0x2000 [ 8912.852641][ T3767] inet6_addr_add+0x30e/0xa40 [ 8912.852641][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.852641][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.852641][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.852641][ T3767] netlink_unicast+0x449/0x710 [ 8912.852641][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.852641][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.852641][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.852641][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.852641][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.852641][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.852641][ T3767] [ 8912.854818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8912.854818][ T3767] netdev_get_by_index+0x5e/0x80 [ 8912.854818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8912.854818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8912.854818][ T3767] ip6_route_add+0x1c/0x140 [ 8912.854818][ T3767] addrconf_add_mroute+0x129/0x180 [ 8912.854818][ T3767] addrconf_add_dev+0xe2/0x170 [ 8912.854818][ T3767] inet6_addr_add+0x12f/0xa40 [ 8912.854818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8912.854818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.854818][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.854818][ T3767] netlink_unicast+0x449/0x710 [ 8912.854818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.854818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.854818][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.854818][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.854818][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.854818][ T3767] [ 8912.856951][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8912.856951][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8912.856951][ T3767] ipv6_find_idev+0x102/0x170 [ 8912.856951][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8912.856951][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.856951][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.856951][ T3767] netlink_unicast+0x449/0x710 [ 8912.856951][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.856951][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.856951][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.856951][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.856951][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.856951][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.856951][ T3767] [ 8912.858621][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8912.858621][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8912.858621][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8912.858621][ T3767] ipv6_find_idev+0x102/0x170 [ 8912.858621][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8912.858621][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8912.858621][ T3767] netlink_rcv_skb+0x130/0x360 [ 8912.858621][ T3767] netlink_unicast+0x449/0x710 [ 8912.858621][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8912.858621][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8912.858621][ T3767] ___sys_sendmsg+0xee/0x170 [ 8912.858621][ T3767] __sys_sendmsg+0xcd/0x170 [ 8912.858621][ T3767] do_syscall_64+0xc6/0x1e0 [ 8912.858621][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8912.858621][ T3767] [ 8922.943957][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8922.944417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8922.944417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8922.944417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8922.944417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8922.944417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8922.944417][ T3767] ip6_route_add+0x1c/0x140 [ 8922.944417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8922.944417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.944417][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.944417][ T3767] netlink_unicast+0x449/0x710 [ 8922.944417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.944417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.944417][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.944417][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.944417][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.944417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8922.944417][ T3767] [ 8922.946492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8922.946492][ T3767] netdev_get_by_index+0x5e/0x80 [ 8922.946492][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8922.946492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8922.946492][ T3767] ip6_route_add+0x1c/0x140 [ 8922.946492][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8922.946492][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8922.946492][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8922.946492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.946492][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.946492][ T3767] netlink_unicast+0x449/0x710 [ 8922.946492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.946492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.946492][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.946492][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.946492][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.946492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8922.946492][ T3767] [ 8922.948668][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8922.948668][ T3767] netdev_get_by_index+0x5e/0x80 [ 8922.948668][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8922.948668][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8922.948668][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8922.948668][ T3767] ipv6_add_addr+0x411/0x2000 [ 8922.948668][ T3767] inet6_addr_add+0x30e/0xa40 [ 8922.948668][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8922.948668][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.948668][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.948668][ T3767] netlink_unicast+0x449/0x710 [ 8922.948668][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.948668][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.948668][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.948668][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.948668][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.948668][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8922.948668][ T3767] [ 8922.950842][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8922.950842][ T3767] netdev_get_by_index+0x5e/0x80 [ 8922.950842][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8922.950842][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8922.950842][ T3767] ip6_route_add+0x1c/0x140 [ 8922.950842][ T3767] addrconf_add_mroute+0x129/0x180 [ 8922.950842][ T3767] addrconf_add_dev+0xe2/0x170 [ 8922.950842][ T3767] inet6_addr_add+0x12f/0xa40 [ 8922.950842][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8922.950842][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.950842][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.950842][ T3767] netlink_unicast+0x449/0x710 [ 8922.950842][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.950842][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.950842][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.950842][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.950842][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.950842][ T3767] [ 8922.952972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8922.952972][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8922.952972][ T3767] ipv6_find_idev+0x102/0x170 [ 8922.952972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8922.952972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.952972][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.952972][ T3767] netlink_unicast+0x449/0x710 [ 8922.952972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.952972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.952972][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.952972][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.952972][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.952972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8922.952972][ T3767] [ 8922.954645][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8922.954645][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8922.954645][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8922.954645][ T3767] ipv6_find_idev+0x102/0x170 [ 8922.954645][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8922.954645][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8922.954645][ T3767] netlink_rcv_skb+0x130/0x360 [ 8922.954645][ T3767] netlink_unicast+0x449/0x710 [ 8922.954645][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8922.954645][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8922.954645][ T3767] ___sys_sendmsg+0xee/0x170 [ 8922.954645][ T3767] __sys_sendmsg+0xcd/0x170 [ 8922.954645][ T3767] do_syscall_64+0xc6/0x1e0 [ 8922.954645][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8922.954645][ T3767] [ 8933.191934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8933.192397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8933.192397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8933.192397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8933.192397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8933.192397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8933.192397][ T3767] ip6_route_add+0x1c/0x140 [ 8933.192397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8933.192397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.192397][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.192397][ T3767] netlink_unicast+0x449/0x710 [ 8933.192397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.192397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.192397][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.192397][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.192397][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.192397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.192397][ T3767] [ 8933.194466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8933.194466][ T3767] netdev_get_by_index+0x5e/0x80 [ 8933.194466][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8933.194466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8933.194466][ T3767] ip6_route_add+0x1c/0x140 [ 8933.194466][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8933.194466][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8933.194466][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.194466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.194466][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.194466][ T3767] netlink_unicast+0x449/0x710 [ 8933.194466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.194466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.194466][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.194466][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.194466][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.194466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.194466][ T3767] [ 8933.196685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8933.196685][ T3767] netdev_get_by_index+0x5e/0x80 [ 8933.196685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8933.196685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8933.196685][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8933.196685][ T3767] ipv6_add_addr+0x411/0x2000 [ 8933.196685][ T3767] inet6_addr_add+0x30e/0xa40 [ 8933.196685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.196685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.196685][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.196685][ T3767] netlink_unicast+0x449/0x710 [ 8933.196685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.196685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.196685][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.196685][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.196685][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.196685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.196685][ T3767] [ 8933.198872][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8933.198872][ T3767] netdev_get_by_index+0x5e/0x80 [ 8933.198872][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8933.198872][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8933.198872][ T3767] ip6_route_add+0x1c/0x140 [ 8933.198872][ T3767] addrconf_add_mroute+0x129/0x180 [ 8933.198872][ T3767] addrconf_add_dev+0xe2/0x170 [ 8933.198872][ T3767] inet6_addr_add+0x12f/0xa40 [ 8933.198872][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8933.198872][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.198872][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.198872][ T3767] netlink_unicast+0x449/0x710 [ 8933.198872][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.198872][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.198872][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.198872][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.198872][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.198872][ T3767] [ 8933.201010][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8933.201010][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8933.201010][ T3767] ipv6_find_idev+0x102/0x170 [ 8933.201010][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8933.201010][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.201010][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.201010][ T3767] netlink_unicast+0x449/0x710 [ 8933.201010][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.201010][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.201010][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.201010][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.201010][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.201010][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.201010][ T3767] [ 8933.202688][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8933.202688][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8933.202688][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8933.202688][ T3767] ipv6_find_idev+0x102/0x170 [ 8933.202688][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8933.202688][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8933.202688][ T3767] netlink_rcv_skb+0x130/0x360 [ 8933.202688][ T3767] netlink_unicast+0x449/0x710 [ 8933.202688][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8933.202688][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8933.202688][ T3767] ___sys_sendmsg+0xee/0x170 [ 8933.202688][ T3767] __sys_sendmsg+0xcd/0x170 [ 8933.202688][ T3767] do_syscall_64+0xc6/0x1e0 [ 8933.202688][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8933.202688][ T3767] [ 8943.439931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8943.440397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8943.440397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8943.440397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8943.440397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8943.440397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8943.440397][ T3767] ip6_route_add+0x1c/0x140 [ 8943.440397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8943.440397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.440397][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.440397][ T3767] netlink_unicast+0x449/0x710 [ 8943.440397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.440397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.440397][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.440397][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.440397][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.440397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.440397][ T3767] [ 8943.442468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8943.442468][ T3767] netdev_get_by_index+0x5e/0x80 [ 8943.442468][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8943.442468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8943.442468][ T3767] ip6_route_add+0x1c/0x140 [ 8943.442468][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8943.442468][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8943.442468][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.442468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.442468][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.442468][ T3767] netlink_unicast+0x449/0x710 [ 8943.442468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.442468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.442468][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.442468][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.442468][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.442468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.442468][ T3767] [ 8943.444646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8943.444646][ T3767] netdev_get_by_index+0x5e/0x80 [ 8943.444646][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8943.444646][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8943.444646][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8943.444646][ T3767] ipv6_add_addr+0x411/0x2000 [ 8943.444646][ T3767] inet6_addr_add+0x30e/0xa40 [ 8943.444646][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.444646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.444646][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.444646][ T3767] netlink_unicast+0x449/0x710 [ 8943.444646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.444646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.444646][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.444646][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.444646][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.444646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.444646][ T3767] [ 8943.447346][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8943.447346][ T3767] netdev_get_by_index+0x5e/0x80 [ 8943.447346][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8943.447346][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8943.447346][ T3767] ip6_route_add+0x1c/0x140 [ 8943.447346][ T3767] addrconf_add_mroute+0x129/0x180 [ 8943.447346][ T3767] addrconf_add_dev+0xe2/0x170 [ 8943.447346][ T3767] inet6_addr_add+0x12f/0xa40 [ 8943.447346][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8943.447346][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.447346][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.447346][ T3767] netlink_unicast+0x449/0x710 [ 8943.447346][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.447346][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.447346][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.447346][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.447346][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.447346][ T3767] [ 8943.449480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8943.449480][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8943.449480][ T3767] ipv6_find_idev+0x102/0x170 [ 8943.449480][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8943.449480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.449480][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.449480][ T3767] netlink_unicast+0x449/0x710 [ 8943.449480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.449480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.449480][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.449480][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.449480][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.449480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.449480][ T3767] [ 8943.451170][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8943.451170][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8943.451170][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8943.451170][ T3767] ipv6_find_idev+0x102/0x170 [ 8943.451170][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8943.451170][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8943.451170][ T3767] netlink_rcv_skb+0x130/0x360 [ 8943.451170][ T3767] netlink_unicast+0x449/0x710 [ 8943.451170][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8943.451170][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8943.451170][ T3767] ___sys_sendmsg+0xee/0x170 [ 8943.451170][ T3767] __sys_sendmsg+0xcd/0x170 [ 8943.451170][ T3767] do_syscall_64+0xc6/0x1e0 [ 8943.451170][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8943.451170][ T3767] [ 8953.695871][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8953.696328][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8953.696328][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8953.696328][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8953.696328][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8953.696328][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8953.696328][ T3767] ip6_route_add+0x1c/0x140 [ 8953.696328][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8953.696328][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.696328][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.696328][ T3767] netlink_unicast+0x449/0x710 [ 8953.696328][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.696328][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.696328][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.696328][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.696328][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.696328][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.696328][ T3767] [ 8953.698764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8953.698764][ T3767] netdev_get_by_index+0x5e/0x80 [ 8953.698764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8953.698764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8953.698764][ T3767] ip6_route_add+0x1c/0x140 [ 8953.698764][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8953.698764][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8953.698764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.698764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.698764][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.698764][ T3767] netlink_unicast+0x449/0x710 [ 8953.698764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.698764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.698764][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.698764][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.698764][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.698764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.698764][ T3767] [ 8953.700943][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8953.700943][ T3767] netdev_get_by_index+0x5e/0x80 [ 8953.700943][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8953.700943][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8953.700943][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8953.700943][ T3767] ipv6_add_addr+0x411/0x2000 [ 8953.700943][ T3767] inet6_addr_add+0x30e/0xa40 [ 8953.700943][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.700943][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.700943][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.700943][ T3767] netlink_unicast+0x449/0x710 [ 8953.700943][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.700943][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.700943][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.700943][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.700943][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.700943][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.700943][ T3767] [ 8953.703115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8953.703115][ T3767] netdev_get_by_index+0x5e/0x80 [ 8953.703115][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8953.703115][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8953.703115][ T3767] ip6_route_add+0x1c/0x140 [ 8953.703115][ T3767] addrconf_add_mroute+0x129/0x180 [ 8953.703115][ T3767] addrconf_add_dev+0xe2/0x170 [ 8953.703115][ T3767] inet6_addr_add+0x12f/0xa40 [ 8953.703115][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8953.703115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.703115][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.703115][ T3767] netlink_unicast+0x449/0x710 [ 8953.703115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.703115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.703115][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.703115][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.703115][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.703115][ T3767] [ 8953.705264][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8953.705264][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8953.705264][ T3767] ipv6_find_idev+0x102/0x170 [ 8953.705264][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8953.705264][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.705264][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.705264][ T3767] netlink_unicast+0x449/0x710 [ 8953.705264][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.705264][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.705264][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.705264][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.705264][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.705264][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.705264][ T3767] [ 8953.706936][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8953.706936][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8953.706936][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8953.706936][ T3767] ipv6_find_idev+0x102/0x170 [ 8953.706936][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8953.706936][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8953.706936][ T3767] netlink_rcv_skb+0x130/0x360 [ 8953.706936][ T3767] netlink_unicast+0x449/0x710 [ 8953.706936][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8953.706936][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8953.706936][ T3767] ___sys_sendmsg+0xee/0x170 [ 8953.706936][ T3767] __sys_sendmsg+0xcd/0x170 [ 8953.706936][ T3767] do_syscall_64+0xc6/0x1e0 [ 8953.706936][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8953.706936][ T3767] [ 8963.943934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8963.944417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8963.944417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8963.944417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8963.944417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8963.944417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8963.944417][ T3767] ip6_route_add+0x1c/0x140 [ 8963.944417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8963.944417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.944417][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.944417][ T3767] netlink_unicast+0x449/0x710 [ 8963.944417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.944417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.944417][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.944417][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.944417][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.944417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.944417][ T3767] [ 8963.946523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8963.946523][ T3767] netdev_get_by_index+0x5e/0x80 [ 8963.946523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8963.946523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8963.946523][ T3767] ip6_route_add+0x1c/0x140 [ 8963.946523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8963.946523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8963.946523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.946523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.946523][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.946523][ T3767] netlink_unicast+0x449/0x710 [ 8963.946523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.946523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.946523][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.946523][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.946523][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.946523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.946523][ T3767] [ 8963.948746][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8963.948746][ T3767] netdev_get_by_index+0x5e/0x80 [ 8963.948746][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8963.948746][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8963.948746][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8963.948746][ T3767] ipv6_add_addr+0x411/0x2000 [ 8963.948746][ T3767] inet6_addr_add+0x30e/0xa40 [ 8963.948746][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.948746][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.948746][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.948746][ T3767] netlink_unicast+0x449/0x710 [ 8963.948746][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.948746][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.948746][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.948746][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.948746][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.948746][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.948746][ T3767] [ 8963.950948][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8963.950948][ T3767] netdev_get_by_index+0x5e/0x80 [ 8963.950948][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8963.950948][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8963.950948][ T3767] ip6_route_add+0x1c/0x140 [ 8963.950948][ T3767] addrconf_add_mroute+0x129/0x180 [ 8963.950948][ T3767] addrconf_add_dev+0xe2/0x170 [ 8963.950948][ T3767] inet6_addr_add+0x12f/0xa40 [ 8963.950948][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8963.950948][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.950948][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.950948][ T3767] netlink_unicast+0x449/0x710 [ 8963.950948][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.950948][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.950948][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.950948][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.950948][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.950948][ T3767] [ 8963.953120][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8963.953120][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8963.953120][ T3767] ipv6_find_idev+0x102/0x170 [ 8963.953120][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8963.953120][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.953120][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.953120][ T3767] netlink_unicast+0x449/0x710 [ 8963.953120][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.953120][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.953120][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.953120][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.953120][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.953120][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.953120][ T3767] [ 8963.954833][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8963.954833][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8963.954833][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8963.954833][ T3767] ipv6_find_idev+0x102/0x170 [ 8963.954833][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8963.954833][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8963.954833][ T3767] netlink_rcv_skb+0x130/0x360 [ 8963.954833][ T3767] netlink_unicast+0x449/0x710 [ 8963.954833][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8963.954833][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8963.954833][ T3767] ___sys_sendmsg+0xee/0x170 [ 8963.954833][ T3767] __sys_sendmsg+0xcd/0x170 [ 8963.954833][ T3767] do_syscall_64+0xc6/0x1e0 [ 8963.954833][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8963.954833][ T3767] [ 8974.191872][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8974.192315][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8974.192315][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8974.192315][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8974.192315][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8974.192315][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8974.192315][ T3767] ip6_route_add+0x1c/0x140 [ 8974.192315][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8974.192315][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.192315][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.192315][ T3767] netlink_unicast+0x449/0x710 [ 8974.192315][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.192315][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.192315][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.192315][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.192315][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.192315][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.192315][ T3767] [ 8974.194399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8974.194399][ T3767] netdev_get_by_index+0x5e/0x80 [ 8974.194399][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8974.194399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8974.194399][ T3767] ip6_route_add+0x1c/0x140 [ 8974.194399][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8974.194399][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8974.194399][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.194399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.194399][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.194399][ T3767] netlink_unicast+0x449/0x710 [ 8974.194399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.194399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.194399][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.194399][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.194399][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.194399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.194399][ T3767] [ 8974.197099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8974.197099][ T3767] netdev_get_by_index+0x5e/0x80 [ 8974.197099][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8974.197099][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8974.197099][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8974.197099][ T3767] ipv6_add_addr+0x411/0x2000 [ 8974.197099][ T3767] inet6_addr_add+0x30e/0xa40 [ 8974.197099][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.197099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.197099][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.197099][ T3767] netlink_unicast+0x449/0x710 [ 8974.197099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.197099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.197099][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.197099][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.197099][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.197099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.197099][ T3767] [ 8974.199296][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8974.199296][ T3767] netdev_get_by_index+0x5e/0x80 [ 8974.199296][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8974.199296][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8974.199296][ T3767] ip6_route_add+0x1c/0x140 [ 8974.199296][ T3767] addrconf_add_mroute+0x129/0x180 [ 8974.199296][ T3767] addrconf_add_dev+0xe2/0x170 [ 8974.199296][ T3767] inet6_addr_add+0x12f/0xa40 [ 8974.199296][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8974.199296][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.199296][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.199296][ T3767] netlink_unicast+0x449/0x710 [ 8974.199296][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.199296][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.199296][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.199296][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.199296][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.199296][ T3767] [ 8974.201470][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8974.201470][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8974.201470][ T3767] ipv6_find_idev+0x102/0x170 [ 8974.201470][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8974.201470][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.201470][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.201470][ T3767] netlink_unicast+0x449/0x710 [ 8974.201470][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.201470][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.201470][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.201470][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.201470][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.201470][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.201470][ T3767] [ 8974.203164][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8974.203164][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8974.203164][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8974.203164][ T3767] ipv6_find_idev+0x102/0x170 [ 8974.203164][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8974.203164][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8974.203164][ T3767] netlink_rcv_skb+0x130/0x360 [ 8974.203164][ T3767] netlink_unicast+0x449/0x710 [ 8974.203164][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8974.203164][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8974.203164][ T3767] ___sys_sendmsg+0xee/0x170 [ 8974.203164][ T3767] __sys_sendmsg+0xcd/0x170 [ 8974.203164][ T3767] do_syscall_64+0xc6/0x1e0 [ 8974.203164][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8974.203164][ T3767] [ 8984.447932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8984.448431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8984.448431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8984.448431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8984.448431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8984.448431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8984.448431][ T3767] ip6_route_add+0x1c/0x140 [ 8984.448431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8984.448431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.448431][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.448431][ T3767] netlink_unicast+0x449/0x710 [ 8984.448431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.448431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.448431][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.448431][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.448431][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.448431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.448431][ T3767] [ 8984.450502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8984.450502][ T3767] netdev_get_by_index+0x5e/0x80 [ 8984.450502][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8984.450502][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8984.450502][ T3767] ip6_route_add+0x1c/0x140 [ 8984.450502][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8984.450502][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8984.450502][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.450502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.450502][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.450502][ T3767] netlink_unicast+0x449/0x710 [ 8984.450502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.450502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.450502][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.450502][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.450502][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.450502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.450502][ T3767] [ 8984.452701][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8984.452701][ T3767] netdev_get_by_index+0x5e/0x80 [ 8984.452701][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8984.452701][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8984.452701][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8984.452701][ T3767] ipv6_add_addr+0x411/0x2000 [ 8984.452701][ T3767] inet6_addr_add+0x30e/0xa40 [ 8984.452701][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.452701][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.452701][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.452701][ T3767] netlink_unicast+0x449/0x710 [ 8984.452701][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.452701][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.452701][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.452701][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.452701][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.452701][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.452701][ T3767] [ 8984.454892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8984.454892][ T3767] netdev_get_by_index+0x5e/0x80 [ 8984.454892][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8984.454892][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8984.454892][ T3767] ip6_route_add+0x1c/0x140 [ 8984.454892][ T3767] addrconf_add_mroute+0x129/0x180 [ 8984.454892][ T3767] addrconf_add_dev+0xe2/0x170 [ 8984.454892][ T3767] inet6_addr_add+0x12f/0xa40 [ 8984.454892][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8984.454892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.454892][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.454892][ T3767] netlink_unicast+0x449/0x710 [ 8984.454892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.454892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.454892][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.454892][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.454892][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.454892][ T3767] [ 8984.457024][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8984.457024][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8984.457024][ T3767] ipv6_find_idev+0x102/0x170 [ 8984.457024][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8984.457024][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.457024][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.457024][ T3767] netlink_unicast+0x449/0x710 [ 8984.457024][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.457024][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.457024][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.457024][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.457024][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.457024][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.457024][ T3767] [ 8984.458695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8984.458695][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8984.458695][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8984.458695][ T3767] ipv6_find_idev+0x102/0x170 [ 8984.458695][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8984.458695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8984.458695][ T3767] netlink_rcv_skb+0x130/0x360 [ 8984.458695][ T3767] netlink_unicast+0x449/0x710 [ 8984.458695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8984.458695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8984.458695][ T3767] ___sys_sendmsg+0xee/0x170 [ 8984.458695][ T3767] __sys_sendmsg+0xcd/0x170 [ 8984.458695][ T3767] do_syscall_64+0xc6/0x1e0 [ 8984.458695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8984.458695][ T3767] [ 8994.695966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8994.696428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 8994.696428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 8994.696428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 8994.696428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 8994.696428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8994.696428][ T3767] ip6_route_add+0x1c/0x140 [ 8994.696428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 8994.696428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.696428][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.696428][ T3767] netlink_unicast+0x449/0x710 [ 8994.696428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.696428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.696428][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.696428][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.696428][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.696428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.696428][ T3767] [ 8994.698501][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8994.698501][ T3767] netdev_get_by_index+0x5e/0x80 [ 8994.698501][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8994.698501][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8994.698501][ T3767] ip6_route_add+0x1c/0x140 [ 8994.698501][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 8994.698501][ T3767] inet6_addr_add+0x4f8/0xa40 [ 8994.698501][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.698501][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.698501][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.698501][ T3767] netlink_unicast+0x449/0x710 [ 8994.698501][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.698501][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.698501][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.698501][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.698501][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.698501][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.698501][ T3767] [ 8994.700689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8994.700689][ T3767] netdev_get_by_index+0x5e/0x80 [ 8994.700689][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8994.700689][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8994.700689][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 8994.700689][ T3767] ipv6_add_addr+0x411/0x2000 [ 8994.700689][ T3767] inet6_addr_add+0x30e/0xa40 [ 8994.700689][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.700689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.700689][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.700689][ T3767] netlink_unicast+0x449/0x710 [ 8994.700689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.700689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.700689][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.700689][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.700689][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.700689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.700689][ T3767] [ 8994.702878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8994.702878][ T3767] netdev_get_by_index+0x5e/0x80 [ 8994.702878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 8994.702878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 8994.702878][ T3767] ip6_route_add+0x1c/0x140 [ 8994.702878][ T3767] addrconf_add_mroute+0x129/0x180 [ 8994.702878][ T3767] addrconf_add_dev+0xe2/0x170 [ 8994.702878][ T3767] inet6_addr_add+0x12f/0xa40 [ 8994.702878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 8994.702878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.702878][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.702878][ T3767] netlink_unicast+0x449/0x710 [ 8994.702878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.702878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.702878][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.702878][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.702878][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.702878][ T3767] [ 8994.705038][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8994.705038][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 8994.705038][ T3767] ipv6_find_idev+0x102/0x170 [ 8994.705038][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8994.705038][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.705038][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.705038][ T3767] netlink_unicast+0x449/0x710 [ 8994.705038][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.705038][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.705038][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.705038][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.705038][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.705038][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.705038][ T3767] [ 8994.706714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 8994.706714][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 8994.706714][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 8994.706714][ T3767] ipv6_find_idev+0x102/0x170 [ 8994.706714][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 8994.706714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8994.706714][ T3767] netlink_rcv_skb+0x130/0x360 [ 8994.706714][ T3767] netlink_unicast+0x449/0x710 [ 8994.706714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 8994.706714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 8994.706714][ T3767] ___sys_sendmsg+0xee/0x170 [ 8994.706714][ T3767] __sys_sendmsg+0xcd/0x170 [ 8994.706714][ T3767] do_syscall_64+0xc6/0x1e0 [ 8994.706714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8994.706714][ T3767] [ 9004.943962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9004.944439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9004.944439][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9004.944439][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9004.944439][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9004.944439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9004.944439][ T3767] ip6_route_add+0x1c/0x140 [ 9004.944439][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9004.944439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.944439][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.944439][ T3767] netlink_unicast+0x449/0x710 [ 9004.944439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.944439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.944439][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.944439][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.944439][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.944439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9004.944439][ T3767] [ 9004.946512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9004.946512][ T3767] netdev_get_by_index+0x5e/0x80 [ 9004.946512][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9004.946512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9004.946512][ T3767] ip6_route_add+0x1c/0x140 [ 9004.946512][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9004.946512][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9004.946512][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9004.946512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.946512][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.946512][ T3767] netlink_unicast+0x449/0x710 [ 9004.946512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.946512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.946512][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.946512][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.946512][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.946512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9004.946512][ T3767] [ 9004.949171][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9004.949171][ T3767] netdev_get_by_index+0x5e/0x80 [ 9004.949171][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9004.949171][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9004.949171][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9004.949171][ T3767] ipv6_add_addr+0x411/0x2000 [ 9004.949171][ T3767] inet6_addr_add+0x30e/0xa40 [ 9004.949171][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9004.949171][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.949171][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.949171][ T3767] netlink_unicast+0x449/0x710 [ 9004.949171][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.949171][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.949171][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.949171][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.949171][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.949171][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9004.949171][ T3767] [ 9004.951341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9004.951341][ T3767] netdev_get_by_index+0x5e/0x80 [ 9004.951341][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9004.951341][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9004.951341][ T3767] ip6_route_add+0x1c/0x140 [ 9004.951341][ T3767] addrconf_add_mroute+0x129/0x180 [ 9004.951341][ T3767] addrconf_add_dev+0xe2/0x170 [ 9004.951341][ T3767] inet6_addr_add+0x12f/0xa40 [ 9004.951341][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9004.951341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.951341][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.951341][ T3767] netlink_unicast+0x449/0x710 [ 9004.951341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.951341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.951341][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.951341][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.951341][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.951341][ T3767] [ 9004.953480][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9004.953480][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9004.953480][ T3767] ipv6_find_idev+0x102/0x170 [ 9004.953480][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9004.953480][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.953480][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.953480][ T3767] netlink_unicast+0x449/0x710 [ 9004.953480][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.953480][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.953480][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.953480][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.953480][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.953480][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9004.953480][ T3767] [ 9004.955159][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9004.955159][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9004.955159][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9004.955159][ T3767] ipv6_find_idev+0x102/0x170 [ 9004.955159][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9004.955159][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9004.955159][ T3767] netlink_rcv_skb+0x130/0x360 [ 9004.955159][ T3767] netlink_unicast+0x449/0x710 [ 9004.955159][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9004.955159][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9004.955159][ T3767] ___sys_sendmsg+0xee/0x170 [ 9004.955159][ T3767] __sys_sendmsg+0xcd/0x170 [ 9004.955159][ T3767] do_syscall_64+0xc6/0x1e0 [ 9004.955159][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9004.955159][ T3767] [ 9015.199966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9015.200362][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9015.200362][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9015.200362][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9015.200362][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9015.200362][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9015.200362][ T3767] ip6_route_add+0x1c/0x140 [ 9015.200362][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9015.200362][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.200362][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.200362][ T3767] netlink_unicast+0x449/0x710 [ 9015.200362][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.200362][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.200362][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.200362][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.200362][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.200362][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.200362][ T3767] [ 9015.202531][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9015.202531][ T3767] netdev_get_by_index+0x5e/0x80 [ 9015.202531][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9015.202531][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9015.202531][ T3767] ip6_route_add+0x1c/0x140 [ 9015.202531][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9015.202531][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9015.202531][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.202531][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.202531][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.202531][ T3767] netlink_unicast+0x449/0x710 [ 9015.202531][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.202531][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.202531][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.202531][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.202531][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.202531][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.202531][ T3767] [ 9015.204724][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9015.204724][ T3767] netdev_get_by_index+0x5e/0x80 [ 9015.204724][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9015.204724][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9015.204724][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9015.204724][ T3767] ipv6_add_addr+0x411/0x2000 [ 9015.204724][ T3767] inet6_addr_add+0x30e/0xa40 [ 9015.204724][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.204724][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.204724][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.204724][ T3767] netlink_unicast+0x449/0x710 [ 9015.204724][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.204724][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.204724][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.204724][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.204724][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.204724][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.204724][ T3767] [ 9015.206907][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9015.206907][ T3767] netdev_get_by_index+0x5e/0x80 [ 9015.206907][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9015.206907][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9015.206907][ T3767] ip6_route_add+0x1c/0x140 [ 9015.206907][ T3767] addrconf_add_mroute+0x129/0x180 [ 9015.206907][ T3767] addrconf_add_dev+0xe2/0x170 [ 9015.206907][ T3767] inet6_addr_add+0x12f/0xa40 [ 9015.206907][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9015.206907][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.206907][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.206907][ T3767] netlink_unicast+0x449/0x710 [ 9015.206907][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.206907][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.206907][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.206907][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.206907][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.206907][ T3767] [ 9015.209052][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9015.209052][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9015.209052][ T3767] ipv6_find_idev+0x102/0x170 [ 9015.209052][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9015.209052][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.209052][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.209052][ T3767] netlink_unicast+0x449/0x710 [ 9015.209052][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.209052][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.209052][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.209052][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.209052][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.209052][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.209052][ T3767] [ 9015.210729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9015.210729][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9015.210729][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9015.210729][ T3767] ipv6_find_idev+0x102/0x170 [ 9015.210729][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9015.210729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9015.210729][ T3767] netlink_rcv_skb+0x130/0x360 [ 9015.210729][ T3767] netlink_unicast+0x449/0x710 [ 9015.210729][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9015.210729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9015.210729][ T3767] ___sys_sendmsg+0xee/0x170 [ 9015.210729][ T3767] __sys_sendmsg+0xcd/0x170 [ 9015.210729][ T3767] do_syscall_64+0xc6/0x1e0 [ 9015.210729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9015.210729][ T3767] [ 9025.359966][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9025.360425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9025.360425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9025.360425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9025.360425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9025.360425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9025.360425][ T3767] ip6_route_add+0x1c/0x140 [ 9025.360425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9025.360425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.360425][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.360425][ T3767] netlink_unicast+0x449/0x710 [ 9025.360425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.360425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.360425][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.360425][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.360425][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.360425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.360425][ T3767] [ 9025.362494][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9025.362494][ T3767] netdev_get_by_index+0x5e/0x80 [ 9025.362494][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9025.362494][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9025.362494][ T3767] ip6_route_add+0x1c/0x140 [ 9025.362494][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9025.362494][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9025.362494][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.362494][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.362494][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.362494][ T3767] netlink_unicast+0x449/0x710 [ 9025.362494][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.362494][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.362494][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.362494][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.362494][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.362494][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.362494][ T3767] [ 9025.364697][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9025.364697][ T3767] netdev_get_by_index+0x5e/0x80 [ 9025.364697][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9025.364697][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9025.364697][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9025.364697][ T3767] ipv6_add_addr+0x411/0x2000 [ 9025.364697][ T3767] inet6_addr_add+0x30e/0xa40 [ 9025.364697][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.364697][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.364697][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.364697][ T3767] netlink_unicast+0x449/0x710 [ 9025.364697][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.364697][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.364697][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.364697][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.364697][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.364697][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.364697][ T3767] [ 9025.366876][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9025.366876][ T3767] netdev_get_by_index+0x5e/0x80 [ 9025.366876][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9025.366876][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9025.366876][ T3767] ip6_route_add+0x1c/0x140 [ 9025.366876][ T3767] addrconf_add_mroute+0x129/0x180 [ 9025.366876][ T3767] addrconf_add_dev+0xe2/0x170 [ 9025.366876][ T3767] inet6_addr_add+0x12f/0xa40 [ 9025.366876][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9025.366876][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.366876][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.366876][ T3767] netlink_unicast+0x449/0x710 [ 9025.366876][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.366876][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.366876][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.366876][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.366876][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.366876][ T3767] [ 9025.369009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9025.369009][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9025.369009][ T3767] ipv6_find_idev+0x102/0x170 [ 9025.369009][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9025.369009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.369009][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.369009][ T3767] netlink_unicast+0x449/0x710 [ 9025.369009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.369009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.369009][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.369009][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.369009][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.369009][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.369009][ T3767] [ 9025.370689][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9025.370689][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9025.370689][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9025.370689][ T3767] ipv6_find_idev+0x102/0x170 [ 9025.370689][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9025.370689][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9025.370689][ T3767] netlink_rcv_skb+0x130/0x360 [ 9025.370689][ T3767] netlink_unicast+0x449/0x710 [ 9025.370689][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9025.370689][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9025.370689][ T3767] ___sys_sendmsg+0xee/0x170 [ 9025.370689][ T3767] __sys_sendmsg+0xcd/0x170 [ 9025.370689][ T3767] do_syscall_64+0xc6/0x1e0 [ 9025.370689][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9025.370689][ T3767] [ 9035.607944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9035.608418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9035.608418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9035.608418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9035.608418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9035.608418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9035.608418][ T3767] ip6_route_add+0x1c/0x140 [ 9035.608418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9035.608418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.608418][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.608418][ T3767] netlink_unicast+0x449/0x710 [ 9035.608418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.608418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.608418][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.608418][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.608418][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.608418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9035.608418][ T3767] [ 9035.610486][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9035.610486][ T3767] netdev_get_by_index+0x5e/0x80 [ 9035.610486][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9035.610486][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9035.610486][ T3767] ip6_route_add+0x1c/0x140 [ 9035.610486][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9035.610486][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9035.610486][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9035.610486][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.610486][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.610486][ T3767] netlink_unicast+0x449/0x710 [ 9035.610486][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.610486][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.610486][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.610486][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.610486][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.610486][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9035.610486][ T3767] [ 9035.612676][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9035.612676][ T3767] netdev_get_by_index+0x5e/0x80 [ 9035.612676][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9035.612676][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9035.612676][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9035.612676][ T3767] ipv6_add_addr+0x411/0x2000 [ 9035.612676][ T3767] inet6_addr_add+0x30e/0xa40 [ 9035.612676][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9035.612676][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.612676][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.612676][ T3767] netlink_unicast+0x449/0x710 [ 9035.612676][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.612676][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.612676][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.612676][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.612676][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.612676][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9035.612676][ T3767] [ 9035.614864][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9035.614864][ T3767] netdev_get_by_index+0x5e/0x80 [ 9035.614864][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9035.614864][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9035.614864][ T3767] ip6_route_add+0x1c/0x140 [ 9035.614864][ T3767] addrconf_add_mroute+0x129/0x180 [ 9035.614864][ T3767] addrconf_add_dev+0xe2/0x170 [ 9035.614864][ T3767] inet6_addr_add+0x12f/0xa40 [ 9035.614864][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9035.614864][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.614864][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.614864][ T3767] netlink_unicast+0x449/0x710 [ 9035.614864][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.614864][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.614864][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.614864][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.614864][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.614864][ T3767] [ 9035.617001][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9035.617001][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9035.617001][ T3767] ipv6_find_idev+0x102/0x170 [ 9035.617001][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9035.617001][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.617001][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.617001][ T3767] netlink_unicast+0x449/0x710 [ 9035.617001][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.617001][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.617001][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.617001][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.617001][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.617001][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9035.617001][ T3767] [ 9035.618690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9035.618690][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9035.618690][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9035.618690][ T3767] ipv6_find_idev+0x102/0x170 [ 9035.618690][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9035.618690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9035.618690][ T3767] netlink_rcv_skb+0x130/0x360 [ 9035.618690][ T3767] netlink_unicast+0x449/0x710 [ 9035.618690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9035.618690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9035.618690][ T3767] ___sys_sendmsg+0xee/0x170 [ 9035.618690][ T3767] __sys_sendmsg+0xcd/0x170 [ 9035.618690][ T3767] do_syscall_64+0xc6/0x1e0 [ 9035.618690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9035.618690][ T3767] [ 9045.855930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9045.856401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9045.856401][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9045.856401][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9045.856401][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9045.856401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9045.856401][ T3767] ip6_route_add+0x1c/0x140 [ 9045.856401][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9045.856401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.856401][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.856401][ T3767] netlink_unicast+0x449/0x710 [ 9045.856401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.856401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.856401][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.856401][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.856401][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.856401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9045.856401][ T3767] [ 9045.858465][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9045.858465][ T3767] netdev_get_by_index+0x5e/0x80 [ 9045.858465][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9045.858465][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9045.858465][ T3767] ip6_route_add+0x1c/0x140 [ 9045.858465][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9045.858465][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9045.858465][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9045.858465][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.858465][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.858465][ T3767] netlink_unicast+0x449/0x710 [ 9045.858465][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.858465][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.858465][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.858465][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.858465][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.858465][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9045.858465][ T3767] [ 9045.860644][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9045.860644][ T3767] netdev_get_by_index+0x5e/0x80 [ 9045.860644][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9045.860644][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9045.860644][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9045.860644][ T3767] ipv6_add_addr+0x411/0x2000 [ 9045.860644][ T3767] inet6_addr_add+0x30e/0xa40 [ 9045.860644][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9045.860644][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.860644][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.860644][ T3767] netlink_unicast+0x449/0x710 [ 9045.860644][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.860644][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.860644][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.860644][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.860644][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.860644][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9045.860644][ T3767] [ 9045.862817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9045.862817][ T3767] netdev_get_by_index+0x5e/0x80 [ 9045.862817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9045.862817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9045.862817][ T3767] ip6_route_add+0x1c/0x140 [ 9045.862817][ T3767] addrconf_add_mroute+0x129/0x180 [ 9045.862817][ T3767] addrconf_add_dev+0xe2/0x170 [ 9045.862817][ T3767] inet6_addr_add+0x12f/0xa40 [ 9045.862817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9045.862817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.862817][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.862817][ T3767] netlink_unicast+0x449/0x710 [ 9045.862817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.862817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.862817][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.862817][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.862817][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.862817][ T3767] [ 9045.864971][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9045.864971][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9045.864971][ T3767] ipv6_find_idev+0x102/0x170 [ 9045.864971][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9045.864971][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.864971][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.864971][ T3767] netlink_unicast+0x449/0x710 [ 9045.864971][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.864971][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.864971][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.864971][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.864971][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.864971][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9045.864971][ T3767] [ 9045.866648][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9045.866648][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9045.866648][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9045.866648][ T3767] ipv6_find_idev+0x102/0x170 [ 9045.866648][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9045.866648][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9045.866648][ T3767] netlink_rcv_skb+0x130/0x360 [ 9045.866648][ T3767] netlink_unicast+0x449/0x710 [ 9045.866648][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9045.866648][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9045.866648][ T3767] ___sys_sendmsg+0xee/0x170 [ 9045.866648][ T3767] __sys_sendmsg+0xcd/0x170 [ 9045.866648][ T3767] do_syscall_64+0xc6/0x1e0 [ 9045.866648][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9045.866648][ T3767] [ 9056.103934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9056.104396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9056.104396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9056.104396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9056.104396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9056.104396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9056.104396][ T3767] ip6_route_add+0x1c/0x140 [ 9056.104396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9056.104396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.104396][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.104396][ T3767] netlink_unicast+0x449/0x710 [ 9056.104396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.104396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.104396][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.104396][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.104396][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.104396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.104396][ T3767] [ 9056.106466][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9056.106466][ T3767] netdev_get_by_index+0x5e/0x80 [ 9056.106466][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9056.106466][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9056.106466][ T3767] ip6_route_add+0x1c/0x140 [ 9056.106466][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9056.106466][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9056.106466][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.106466][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.106466][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.106466][ T3767] netlink_unicast+0x449/0x710 [ 9056.106466][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.106466][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.106466][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.106466][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.106466][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.106466][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.106466][ T3767] [ 9056.108650][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9056.108650][ T3767] netdev_get_by_index+0x5e/0x80 [ 9056.108650][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9056.108650][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9056.108650][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9056.108650][ T3767] ipv6_add_addr+0x411/0x2000 [ 9056.108650][ T3767] inet6_addr_add+0x30e/0xa40 [ 9056.108650][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.108650][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.108650][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.108650][ T3767] netlink_unicast+0x449/0x710 [ 9056.108650][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.108650][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.108650][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.108650][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.108650][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.108650][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.108650][ T3767] [ 9056.110828][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9056.110828][ T3767] netdev_get_by_index+0x5e/0x80 [ 9056.110828][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9056.110828][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9056.110828][ T3767] ip6_route_add+0x1c/0x140 [ 9056.110828][ T3767] addrconf_add_mroute+0x129/0x180 [ 9056.110828][ T3767] addrconf_add_dev+0xe2/0x170 [ 9056.110828][ T3767] inet6_addr_add+0x12f/0xa40 [ 9056.110828][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9056.110828][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.110828][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.110828][ T3767] netlink_unicast+0x449/0x710 [ 9056.110828][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.110828][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.110828][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.110828][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.110828][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.110828][ T3767] [ 9056.112968][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9056.112968][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9056.112968][ T3767] ipv6_find_idev+0x102/0x170 [ 9056.112968][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9056.112968][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.112968][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.112968][ T3767] netlink_unicast+0x449/0x710 [ 9056.112968][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.112968][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.112968][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.112968][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.112968][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.112968][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.112968][ T3767] [ 9056.114649][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9056.114649][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9056.114649][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9056.114649][ T3767] ipv6_find_idev+0x102/0x170 [ 9056.114649][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9056.114649][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9056.114649][ T3767] netlink_rcv_skb+0x130/0x360 [ 9056.114649][ T3767] netlink_unicast+0x449/0x710 [ 9056.114649][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9056.114649][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9056.114649][ T3767] ___sys_sendmsg+0xee/0x170 [ 9056.114649][ T3767] __sys_sendmsg+0xcd/0x170 [ 9056.114649][ T3767] do_syscall_64+0xc6/0x1e0 [ 9056.114649][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9056.114649][ T3767] [ 9066.351956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9066.352413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9066.352413][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9066.352413][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9066.352413][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9066.352413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9066.352413][ T3767] ip6_route_add+0x1c/0x140 [ 9066.352413][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9066.352413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.352413][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.352413][ T3767] netlink_unicast+0x449/0x710 [ 9066.352413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.352413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.352413][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.352413][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.352413][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.352413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.352413][ T3767] [ 9066.354491][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9066.354491][ T3767] netdev_get_by_index+0x5e/0x80 [ 9066.354491][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9066.354491][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9066.354491][ T3767] ip6_route_add+0x1c/0x140 [ 9066.354491][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9066.354491][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9066.354491][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.354491][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.354491][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.354491][ T3767] netlink_unicast+0x449/0x710 [ 9066.354491][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.354491][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.354491][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.354491][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.354491][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.354491][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.354491][ T3767] [ 9066.356679][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9066.356679][ T3767] netdev_get_by_index+0x5e/0x80 [ 9066.356679][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9066.356679][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9066.356679][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9066.356679][ T3767] ipv6_add_addr+0x411/0x2000 [ 9066.356679][ T3767] inet6_addr_add+0x30e/0xa40 [ 9066.356679][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.356679][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.356679][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.356679][ T3767] netlink_unicast+0x449/0x710 [ 9066.356679][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.356679][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.356679][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.356679][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.356679][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.356679][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.356679][ T3767] [ 9066.358858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9066.358858][ T3767] netdev_get_by_index+0x5e/0x80 [ 9066.358858][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9066.358858][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9066.358858][ T3767] ip6_route_add+0x1c/0x140 [ 9066.358858][ T3767] addrconf_add_mroute+0x129/0x180 [ 9066.358858][ T3767] addrconf_add_dev+0xe2/0x170 [ 9066.358858][ T3767] inet6_addr_add+0x12f/0xa40 [ 9066.358858][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9066.358858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.358858][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.358858][ T3767] netlink_unicast+0x449/0x710 [ 9066.358858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.358858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.358858][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.358858][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.358858][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.358858][ T3767] [ 9066.360992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9066.360992][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9066.360992][ T3767] ipv6_find_idev+0x102/0x170 [ 9066.360992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9066.360992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.360992][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.360992][ T3767] netlink_unicast+0x449/0x710 [ 9066.360992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.360992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.360992][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.360992][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.360992][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.360992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.360992][ T3767] [ 9066.362665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9066.362665][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9066.362665][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9066.362665][ T3767] ipv6_find_idev+0x102/0x170 [ 9066.362665][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9066.362665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9066.362665][ T3767] netlink_rcv_skb+0x130/0x360 [ 9066.362665][ T3767] netlink_unicast+0x449/0x710 [ 9066.362665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9066.362665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9066.362665][ T3767] ___sys_sendmsg+0xee/0x170 [ 9066.362665][ T3767] __sys_sendmsg+0xcd/0x170 [ 9066.362665][ T3767] do_syscall_64+0xc6/0x1e0 [ 9066.362665][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9066.362665][ T3767] [ 9076.599969][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9076.600431][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9076.600431][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9076.600431][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9076.600431][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9076.600431][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9076.600431][ T3767] ip6_route_add+0x1c/0x140 [ 9076.600431][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9076.600431][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.600431][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.600431][ T3767] netlink_unicast+0x449/0x710 [ 9076.600431][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.600431][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.600431][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.600431][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.600431][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.600431][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9076.600431][ T3767] [ 9076.602497][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9076.602497][ T3767] netdev_get_by_index+0x5e/0x80 [ 9076.602497][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9076.602497][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9076.602497][ T3767] ip6_route_add+0x1c/0x140 [ 9076.602497][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9076.602497][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9076.602497][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9076.602497][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.602497][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.602497][ T3767] netlink_unicast+0x449/0x710 [ 9076.602497][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.602497][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.602497][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.602497][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.602497][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.602497][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9076.602497][ T3767] [ 9076.604685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9076.604685][ T3767] netdev_get_by_index+0x5e/0x80 [ 9076.604685][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9076.604685][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9076.604685][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9076.604685][ T3767] ipv6_add_addr+0x411/0x2000 [ 9076.604685][ T3767] inet6_addr_add+0x30e/0xa40 [ 9076.604685][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9076.604685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.604685][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.604685][ T3767] netlink_unicast+0x449/0x710 [ 9076.604685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.604685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.604685][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.604685][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.604685][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.604685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9076.604685][ T3767] [ 9076.606858][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9076.606858][ T3767] netdev_get_by_index+0x5e/0x80 [ 9076.606858][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9076.606858][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9076.606858][ T3767] ip6_route_add+0x1c/0x140 [ 9076.606858][ T3767] addrconf_add_mroute+0x129/0x180 [ 9076.606858][ T3767] addrconf_add_dev+0xe2/0x170 [ 9076.606858][ T3767] inet6_addr_add+0x12f/0xa40 [ 9076.606858][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9076.606858][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.606858][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.606858][ T3767] netlink_unicast+0x449/0x710 [ 9076.606858][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.606858][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.606858][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.606858][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.606858][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.606858][ T3767] [ 9076.608992][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9076.608992][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9076.608992][ T3767] ipv6_find_idev+0x102/0x170 [ 9076.608992][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9076.608992][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.608992][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.608992][ T3767] netlink_unicast+0x449/0x710 [ 9076.608992][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.608992][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.608992][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.608992][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.608992][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.608992][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9076.608992][ T3767] [ 9076.610665][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9076.610665][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9076.610665][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9076.610665][ T3767] ipv6_find_idev+0x102/0x170 [ 9076.610665][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9076.610665][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9076.610665][ T3767] netlink_rcv_skb+0x130/0x360 [ 9076.610665][ T3767] netlink_unicast+0x449/0x710 [ 9076.610665][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9076.610665][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9076.610665][ T3767] ___sys_sendmsg+0xee/0x170 [ 9076.610665][ T3767] __sys_sendmsg+0xcd/0x170 [ 9076.610665][ T3767] do_syscall_64+0xc6/0x1e0 [ 9076.610665][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9076.610665][ T3767] [ 9086.847877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9086.848331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9086.848331][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9086.848331][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9086.848331][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9086.848331][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9086.848331][ T3767] ip6_route_add+0x1c/0x140 [ 9086.848331][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9086.848331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.848331][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.848331][ T3767] netlink_unicast+0x449/0x710 [ 9086.848331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.848331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.848331][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.848331][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.848331][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.848331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9086.848331][ T3767] [ 9086.850405][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9086.850405][ T3767] netdev_get_by_index+0x5e/0x80 [ 9086.850405][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9086.850405][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9086.850405][ T3767] ip6_route_add+0x1c/0x140 [ 9086.850405][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9086.850405][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9086.850405][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9086.850405][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.850405][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.850405][ T3767] netlink_unicast+0x449/0x710 [ 9086.850405][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.850405][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.850405][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.850405][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.850405][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.850405][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9086.850405][ T3767] [ 9086.852592][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9086.852592][ T3767] netdev_get_by_index+0x5e/0x80 [ 9086.852592][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9086.852592][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9086.852592][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9086.852592][ T3767] ipv6_add_addr+0x411/0x2000 [ 9086.852592][ T3767] inet6_addr_add+0x30e/0xa40 [ 9086.852592][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9086.852592][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.852592][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.852592][ T3767] netlink_unicast+0x449/0x710 [ 9086.852592][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.852592][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.852592][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.852592][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.852592][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.852592][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9086.852592][ T3767] [ 9086.854780][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9086.854780][ T3767] netdev_get_by_index+0x5e/0x80 [ 9086.854780][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9086.854780][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9086.854780][ T3767] ip6_route_add+0x1c/0x140 [ 9086.854780][ T3767] addrconf_add_mroute+0x129/0x180 [ 9086.854780][ T3767] addrconf_add_dev+0xe2/0x170 [ 9086.854780][ T3767] inet6_addr_add+0x12f/0xa40 [ 9086.854780][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9086.854780][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.854780][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.854780][ T3767] netlink_unicast+0x449/0x710 [ 9086.854780][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.854780][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.854780][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.854780][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.854780][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.854780][ T3767] [ 9086.856918][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9086.856918][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9086.856918][ T3767] ipv6_find_idev+0x102/0x170 [ 9086.856918][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9086.856918][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.856918][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.856918][ T3767] netlink_unicast+0x449/0x710 [ 9086.856918][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.856918][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.856918][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.856918][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.856918][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.856918][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9086.856918][ T3767] [ 9086.858595][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9086.858595][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9086.858595][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9086.858595][ T3767] ipv6_find_idev+0x102/0x170 [ 9086.858595][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9086.858595][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9086.858595][ T3767] netlink_rcv_skb+0x130/0x360 [ 9086.858595][ T3767] netlink_unicast+0x449/0x710 [ 9086.858595][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9086.858595][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9086.858595][ T3767] ___sys_sendmsg+0xee/0x170 [ 9086.858595][ T3767] __sys_sendmsg+0xcd/0x170 [ 9086.858595][ T3767] do_syscall_64+0xc6/0x1e0 [ 9086.858595][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9086.858595][ T3767] [ 9097.095937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9097.096423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9097.096423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9097.096423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9097.096423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9097.096423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9097.096423][ T3767] ip6_route_add+0x1c/0x140 [ 9097.096423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9097.096423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.096423][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.096423][ T3767] netlink_unicast+0x449/0x710 [ 9097.096423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.096423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.096423][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.096423][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.096423][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.096423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.096423][ T3767] [ 9097.098515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9097.098515][ T3767] netdev_get_by_index+0x5e/0x80 [ 9097.098515][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9097.098515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9097.098515][ T3767] ip6_route_add+0x1c/0x140 [ 9097.098515][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9097.098515][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9097.098515][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.098515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.098515][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.098515][ T3767] netlink_unicast+0x449/0x710 [ 9097.098515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.098515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.098515][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.098515][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.098515][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.098515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.098515][ T3767] [ 9097.100690][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9097.100690][ T3767] netdev_get_by_index+0x5e/0x80 [ 9097.100690][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9097.100690][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9097.100690][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9097.100690][ T3767] ipv6_add_addr+0x411/0x2000 [ 9097.100690][ T3767] inet6_addr_add+0x30e/0xa40 [ 9097.100690][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.100690][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.100690][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.100690][ T3767] netlink_unicast+0x449/0x710 [ 9097.100690][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.100690][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.100690][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.100690][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.100690][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.100690][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.100690][ T3767] [ 9097.102870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9097.102870][ T3767] netdev_get_by_index+0x5e/0x80 [ 9097.102870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9097.102870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9097.102870][ T3767] ip6_route_add+0x1c/0x140 [ 9097.102870][ T3767] addrconf_add_mroute+0x129/0x180 [ 9097.102870][ T3767] addrconf_add_dev+0xe2/0x170 [ 9097.102870][ T3767] inet6_addr_add+0x12f/0xa40 [ 9097.102870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9097.102870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.102870][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.102870][ T3767] netlink_unicast+0x449/0x710 [ 9097.102870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.102870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.102870][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.102870][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.102870][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.102870][ T3767] [ 9097.105029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9097.105029][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9097.105029][ T3767] ipv6_find_idev+0x102/0x170 [ 9097.105029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9097.105029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.105029][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.105029][ T3767] netlink_unicast+0x449/0x710 [ 9097.105029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.105029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.105029][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.105029][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.105029][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.105029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.105029][ T3767] [ 9097.106700][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9097.106700][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9097.106700][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9097.106700][ T3767] ipv6_find_idev+0x102/0x170 [ 9097.106700][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9097.106700][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9097.106700][ T3767] netlink_rcv_skb+0x130/0x360 [ 9097.106700][ T3767] netlink_unicast+0x449/0x710 [ 9097.106700][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9097.106700][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9097.106700][ T3767] ___sys_sendmsg+0xee/0x170 [ 9097.106700][ T3767] __sys_sendmsg+0xcd/0x170 [ 9097.106700][ T3767] do_syscall_64+0xc6/0x1e0 [ 9097.106700][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9097.106700][ T3767] [ 9107.343945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9107.344400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9107.344400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9107.344400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9107.344400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9107.344400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9107.344400][ T3767] ip6_route_add+0x1c/0x140 [ 9107.344400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9107.344400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.344400][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.344400][ T3767] netlink_unicast+0x449/0x710 [ 9107.344400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.344400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.344400][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.344400][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.344400][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.344400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.344400][ T3767] [ 9107.346988][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9107.346988][ T3767] netdev_get_by_index+0x5e/0x80 [ 9107.346988][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9107.346988][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9107.346988][ T3767] ip6_route_add+0x1c/0x140 [ 9107.346988][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9107.346988][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9107.346988][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.346988][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.346988][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.346988][ T3767] netlink_unicast+0x449/0x710 [ 9107.346988][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.346988][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.346988][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.346988][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.346988][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.346988][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.346988][ T3767] [ 9107.349181][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9107.349181][ T3767] netdev_get_by_index+0x5e/0x80 [ 9107.349181][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9107.349181][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9107.349181][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9107.349181][ T3767] ipv6_add_addr+0x411/0x2000 [ 9107.349181][ T3767] inet6_addr_add+0x30e/0xa40 [ 9107.349181][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.349181][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.349181][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.349181][ T3767] netlink_unicast+0x449/0x710 [ 9107.349181][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.349181][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.349181][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.349181][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.349181][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.349181][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.349181][ T3767] [ 9107.351733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9107.351733][ T3767] netdev_get_by_index+0x5e/0x80 [ 9107.351733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9107.351733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9107.351733][ T3767] ip6_route_add+0x1c/0x140 [ 9107.351733][ T3767] addrconf_add_mroute+0x129/0x180 [ 9107.351733][ T3767] addrconf_add_dev+0xe2/0x170 [ 9107.351733][ T3767] inet6_addr_add+0x12f/0xa40 [ 9107.351733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9107.351733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.351733][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.351733][ T3767] netlink_unicast+0x449/0x710 [ 9107.351733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.351733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.351733][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.351733][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.351733][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.351733][ T3767] [ 9107.353871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9107.353871][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9107.353871][ T3767] ipv6_find_idev+0x102/0x170 [ 9107.353871][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9107.353871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.353871][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.353871][ T3767] netlink_unicast+0x449/0x710 [ 9107.353871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.353871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.353871][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.353871][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.353871][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.353871][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.353871][ T3767] [ 9107.355549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9107.355549][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9107.355549][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9107.355549][ T3767] ipv6_find_idev+0x102/0x170 [ 9107.355549][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9107.355549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9107.355549][ T3767] netlink_rcv_skb+0x130/0x360 [ 9107.355549][ T3767] netlink_unicast+0x449/0x710 [ 9107.355549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9107.355549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9107.355549][ T3767] ___sys_sendmsg+0xee/0x170 [ 9107.355549][ T3767] __sys_sendmsg+0xcd/0x170 [ 9107.355549][ T3767] do_syscall_64+0xc6/0x1e0 [ 9107.355549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9107.355549][ T3767] [ 9117.599942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9117.600343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9117.600343][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9117.600343][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9117.600343][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9117.600343][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9117.600343][ T3767] ip6_route_add+0x1c/0x140 [ 9117.600343][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9117.600343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.600343][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.600343][ T3767] netlink_unicast+0x449/0x710 [ 9117.600343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.600343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.600343][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.600343][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.600343][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.600343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.600343][ T3767] [ 9117.602413][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9117.602413][ T3767] netdev_get_by_index+0x5e/0x80 [ 9117.602413][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9117.602413][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9117.602413][ T3767] ip6_route_add+0x1c/0x140 [ 9117.602413][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9117.602413][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9117.602413][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9117.602413][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.602413][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.602413][ T3767] netlink_unicast+0x449/0x710 [ 9117.602413][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.602413][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.602413][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.602413][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.602413][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.602413][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.602413][ T3767] [ 9117.604614][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9117.604614][ T3767] netdev_get_by_index+0x5e/0x80 [ 9117.604614][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9117.604614][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9117.604614][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9117.604614][ T3767] ipv6_add_addr+0x411/0x2000 [ 9117.604614][ T3767] inet6_addr_add+0x30e/0xa40 [ 9117.604614][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9117.604614][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.604614][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.604614][ T3767] netlink_unicast+0x449/0x710 [ 9117.604614][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.604614][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.604614][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.604614][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.604614][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.604614][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.604614][ T3767] [ 9117.606791][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9117.606791][ T3767] netdev_get_by_index+0x5e/0x80 [ 9117.606791][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9117.606791][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9117.606791][ T3767] ip6_route_add+0x1c/0x140 [ 9117.606791][ T3767] addrconf_add_mroute+0x129/0x180 [ 9117.606791][ T3767] addrconf_add_dev+0xe2/0x170 [ 9117.606791][ T3767] inet6_addr_add+0x12f/0xa40 [ 9117.606791][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9117.606791][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.606791][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.606791][ T3767] netlink_unicast+0x449/0x710 [ 9117.606791][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.606791][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.606791][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.606791][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.606791][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.606791][ T3767] [ 9117.608951][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9117.608951][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9117.608951][ T3767] ipv6_find_idev+0x102/0x170 [ 9117.608951][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9117.608951][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.608951][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.608951][ T3767] netlink_unicast+0x449/0x710 [ 9117.608951][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.608951][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.608951][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.608951][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.608951][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.608951][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.608951][ T3767] [ 9117.610624][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9117.610624][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9117.610624][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9117.610624][ T3767] ipv6_find_idev+0x102/0x170 [ 9117.610624][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9117.610624][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9117.610624][ T3767] netlink_rcv_skb+0x130/0x360 [ 9117.610624][ T3767] netlink_unicast+0x449/0x710 [ 9117.610624][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9117.610624][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9117.610624][ T3767] ___sys_sendmsg+0xee/0x170 [ 9117.610624][ T3767] __sys_sendmsg+0xcd/0x170 [ 9117.610624][ T3767] do_syscall_64+0xc6/0x1e0 [ 9117.610624][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9117.610624][ T3767] [ 9127.727934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9127.728418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9127.728418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9127.728418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9127.728418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9127.728418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9127.728418][ T3767] ip6_route_add+0x1c/0x140 [ 9127.728418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9127.728418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.728418][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.728418][ T3767] netlink_unicast+0x449/0x710 [ 9127.728418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.728418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.728418][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.728418][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.728418][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.728418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9127.728418][ T3767] [ 9127.730485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9127.730485][ T3767] netdev_get_by_index+0x5e/0x80 [ 9127.730485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9127.730485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9127.730485][ T3767] ip6_route_add+0x1c/0x140 [ 9127.730485][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9127.730485][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9127.730485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9127.730485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.730485][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.730485][ T3767] netlink_unicast+0x449/0x710 [ 9127.730485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.730485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.730485][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.730485][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.730485][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.730485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9127.730485][ T3767] [ 9127.732664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9127.732664][ T3767] netdev_get_by_index+0x5e/0x80 [ 9127.732664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9127.732664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9127.732664][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9127.732664][ T3767] ipv6_add_addr+0x411/0x2000 [ 9127.732664][ T3767] inet6_addr_add+0x30e/0xa40 [ 9127.732664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9127.732664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.732664][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.732664][ T3767] netlink_unicast+0x449/0x710 [ 9127.732664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.732664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.732664][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.732664][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.732664][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.732664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9127.732664][ T3767] [ 9127.734857][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9127.734857][ T3767] netdev_get_by_index+0x5e/0x80 [ 9127.734857][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9127.734857][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9127.734857][ T3767] ip6_route_add+0x1c/0x140 [ 9127.734857][ T3767] addrconf_add_mroute+0x129/0x180 [ 9127.734857][ T3767] addrconf_add_dev+0xe2/0x170 [ 9127.734857][ T3767] inet6_addr_add+0x12f/0xa40 [ 9127.734857][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9127.734857][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.734857][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.734857][ T3767] netlink_unicast+0x449/0x710 [ 9127.734857][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.734857][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.734857][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.734857][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.734857][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.734857][ T3767] [ 9127.736995][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9127.736995][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9127.736995][ T3767] ipv6_find_idev+0x102/0x170 [ 9127.736995][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9127.736995][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.736995][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.736995][ T3767] netlink_unicast+0x449/0x710 [ 9127.736995][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.736995][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.736995][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.736995][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.736995][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.736995][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9127.736995][ T3767] [ 9127.738669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9127.738669][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9127.738669][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9127.738669][ T3767] ipv6_find_idev+0x102/0x170 [ 9127.738669][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9127.738669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9127.738669][ T3767] netlink_rcv_skb+0x130/0x360 [ 9127.738669][ T3767] netlink_unicast+0x449/0x710 [ 9127.738669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9127.738669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9127.738669][ T3767] ___sys_sendmsg+0xee/0x170 [ 9127.738669][ T3767] __sys_sendmsg+0xcd/0x170 [ 9127.738669][ T3767] do_syscall_64+0xc6/0x1e0 [ 9127.738669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9127.738669][ T3767] [ 9137.975960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9137.976436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9137.976436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9137.976436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9137.976436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9137.976436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9137.976436][ T3767] ip6_route_add+0x1c/0x140 [ 9137.976436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9137.976436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.976436][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.976436][ T3767] netlink_unicast+0x449/0x710 [ 9137.976436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.976436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.976436][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.976436][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.976436][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.976436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9137.976436][ T3767] [ 9137.978499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9137.978499][ T3767] netdev_get_by_index+0x5e/0x80 [ 9137.978499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9137.978499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9137.978499][ T3767] ip6_route_add+0x1c/0x140 [ 9137.978499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9137.978499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9137.978499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9137.978499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.978499][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.978499][ T3767] netlink_unicast+0x449/0x710 [ 9137.978499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.978499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.978499][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.978499][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.978499][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.978499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9137.978499][ T3767] [ 9137.980696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9137.980696][ T3767] netdev_get_by_index+0x5e/0x80 [ 9137.980696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9137.980696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9137.980696][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9137.980696][ T3767] ipv6_add_addr+0x411/0x2000 [ 9137.980696][ T3767] inet6_addr_add+0x30e/0xa40 [ 9137.980696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9137.980696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.980696][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.980696][ T3767] netlink_unicast+0x449/0x710 [ 9137.980696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.980696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.980696][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.980696][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.980696][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.980696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9137.980696][ T3767] [ 9137.982885][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9137.982885][ T3767] netdev_get_by_index+0x5e/0x80 [ 9137.982885][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9137.982885][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9137.982885][ T3767] ip6_route_add+0x1c/0x140 [ 9137.982885][ T3767] addrconf_add_mroute+0x129/0x180 [ 9137.982885][ T3767] addrconf_add_dev+0xe2/0x170 [ 9137.982885][ T3767] inet6_addr_add+0x12f/0xa40 [ 9137.982885][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9137.982885][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.982885][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.982885][ T3767] netlink_unicast+0x449/0x710 [ 9137.982885][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.982885][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.982885][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.982885][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.982885][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.982885][ T3767] [ 9137.985055][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9137.985055][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9137.985055][ T3767] ipv6_find_idev+0x102/0x170 [ 9137.985055][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9137.985055][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.985055][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.985055][ T3767] netlink_unicast+0x449/0x710 [ 9137.985055][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.985055][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.985055][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.985055][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.985055][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.985055][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9137.985055][ T3767] [ 9137.986735][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9137.986735][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9137.986735][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9137.986735][ T3767] ipv6_find_idev+0x102/0x170 [ 9137.986735][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9137.986735][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9137.986735][ T3767] netlink_rcv_skb+0x130/0x360 [ 9137.986735][ T3767] netlink_unicast+0x449/0x710 [ 9137.986735][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9137.986735][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9137.986735][ T3767] ___sys_sendmsg+0xee/0x170 [ 9137.986735][ T3767] __sys_sendmsg+0xcd/0x170 [ 9137.986735][ T3767] do_syscall_64+0xc6/0x1e0 [ 9137.986735][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9137.986735][ T3767] [ 9148.223891][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9148.224359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9148.224359][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9148.224359][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9148.224359][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9148.224359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9148.224359][ T3767] ip6_route_add+0x1c/0x140 [ 9148.224359][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9148.224359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.224359][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.224359][ T3767] netlink_unicast+0x449/0x710 [ 9148.224359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.224359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.224359][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.224359][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.224359][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.224359][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.224359][ T3767] [ 9148.226439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9148.226439][ T3767] netdev_get_by_index+0x5e/0x80 [ 9148.226439][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9148.226439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9148.226439][ T3767] ip6_route_add+0x1c/0x140 [ 9148.226439][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9148.226439][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9148.226439][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.226439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.226439][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.226439][ T3767] netlink_unicast+0x449/0x710 [ 9148.226439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.226439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.226439][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.226439][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.226439][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.226439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.226439][ T3767] [ 9148.228674][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9148.228674][ T3767] netdev_get_by_index+0x5e/0x80 [ 9148.228674][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9148.228674][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9148.228674][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9148.228674][ T3767] ipv6_add_addr+0x411/0x2000 [ 9148.228674][ T3767] inet6_addr_add+0x30e/0xa40 [ 9148.228674][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.228674][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.228674][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.228674][ T3767] netlink_unicast+0x449/0x710 [ 9148.228674][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.228674][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.228674][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.228674][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.228674][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.228674][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.228674][ T3767] [ 9148.230844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9148.230844][ T3767] netdev_get_by_index+0x5e/0x80 [ 9148.230844][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9148.230844][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9148.230844][ T3767] ip6_route_add+0x1c/0x140 [ 9148.230844][ T3767] addrconf_add_mroute+0x129/0x180 [ 9148.230844][ T3767] addrconf_add_dev+0xe2/0x170 [ 9148.230844][ T3767] inet6_addr_add+0x12f/0xa40 [ 9148.230844][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9148.230844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.230844][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.230844][ T3767] netlink_unicast+0x449/0x710 [ 9148.230844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.230844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.230844][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.230844][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.230844][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.230844][ T3767] [ 9148.232984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9148.232984][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9148.232984][ T3767] ipv6_find_idev+0x102/0x170 [ 9148.232984][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9148.232984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.232984][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.232984][ T3767] netlink_unicast+0x449/0x710 [ 9148.232984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.232984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.232984][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.232984][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.232984][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.232984][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.232984][ T3767] [ 9148.234663][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9148.234663][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9148.234663][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9148.234663][ T3767] ipv6_find_idev+0x102/0x170 [ 9148.234663][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9148.234663][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9148.234663][ T3767] netlink_rcv_skb+0x130/0x360 [ 9148.234663][ T3767] netlink_unicast+0x449/0x710 [ 9148.234663][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9148.234663][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9148.234663][ T3767] ___sys_sendmsg+0xee/0x170 [ 9148.234663][ T3767] __sys_sendmsg+0xcd/0x170 [ 9148.234663][ T3767] do_syscall_64+0xc6/0x1e0 [ 9148.234663][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9148.234663][ T3767] [ 9158.471930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9158.472399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9158.472399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9158.472399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9158.472399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9158.472399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9158.472399][ T3767] ip6_route_add+0x1c/0x140 [ 9158.472399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9158.472399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.472399][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.472399][ T3767] netlink_unicast+0x449/0x710 [ 9158.472399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.472399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.472399][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.472399][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.472399][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.472399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.472399][ T3767] [ 9158.474475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9158.474475][ T3767] netdev_get_by_index+0x5e/0x80 [ 9158.474475][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9158.474475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9158.474475][ T3767] ip6_route_add+0x1c/0x140 [ 9158.474475][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9158.474475][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9158.474475][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.474475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.474475][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.474475][ T3767] netlink_unicast+0x449/0x710 [ 9158.474475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.474475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.474475][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.474475][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.474475][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.474475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.474475][ T3767] [ 9158.476653][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9158.476653][ T3767] netdev_get_by_index+0x5e/0x80 [ 9158.476653][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9158.476653][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9158.476653][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9158.476653][ T3767] ipv6_add_addr+0x411/0x2000 [ 9158.476653][ T3767] inet6_addr_add+0x30e/0xa40 [ 9158.476653][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.476653][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.476653][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.476653][ T3767] netlink_unicast+0x449/0x710 [ 9158.476653][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.476653][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.476653][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.476653][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.476653][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.476653][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.476653][ T3767] [ 9158.478839][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9158.478839][ T3767] netdev_get_by_index+0x5e/0x80 [ 9158.478839][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9158.478839][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9158.478839][ T3767] ip6_route_add+0x1c/0x140 [ 9158.478839][ T3767] addrconf_add_mroute+0x129/0x180 [ 9158.478839][ T3767] addrconf_add_dev+0xe2/0x170 [ 9158.478839][ T3767] inet6_addr_add+0x12f/0xa40 [ 9158.478839][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9158.478839][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.478839][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.478839][ T3767] netlink_unicast+0x449/0x710 [ 9158.478839][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.478839][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.478839][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.478839][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.478839][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.478839][ T3767] [ 9158.480975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9158.480975][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9158.480975][ T3767] ipv6_find_idev+0x102/0x170 [ 9158.480975][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9158.480975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.480975][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.480975][ T3767] netlink_unicast+0x449/0x710 [ 9158.480975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.480975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.480975][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.480975][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.480975][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.480975][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.480975][ T3767] [ 9158.482651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9158.482651][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9158.482651][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9158.482651][ T3767] ipv6_find_idev+0x102/0x170 [ 9158.482651][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9158.482651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9158.482651][ T3767] netlink_rcv_skb+0x130/0x360 [ 9158.482651][ T3767] netlink_unicast+0x449/0x710 [ 9158.482651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9158.482651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9158.482651][ T3767] ___sys_sendmsg+0xee/0x170 [ 9158.482651][ T3767] __sys_sendmsg+0xcd/0x170 [ 9158.482651][ T3767] do_syscall_64+0xc6/0x1e0 [ 9158.482651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9158.482651][ T3767] [ 9168.719936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9168.720400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9168.720400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9168.720400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9168.720400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9168.720400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9168.720400][ T3767] ip6_route_add+0x1c/0x140 [ 9168.720400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9168.720400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.720400][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.720400][ T3767] netlink_unicast+0x449/0x710 [ 9168.720400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.720400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.720400][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.720400][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.720400][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.720400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9168.720400][ T3767] [ 9168.722468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9168.722468][ T3767] netdev_get_by_index+0x5e/0x80 [ 9168.722468][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9168.722468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9168.722468][ T3767] ip6_route_add+0x1c/0x140 [ 9168.722468][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9168.722468][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9168.722468][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9168.722468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.722468][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.722468][ T3767] netlink_unicast+0x449/0x710 [ 9168.722468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.722468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.722468][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.722468][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.722468][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.722468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9168.722468][ T3767] [ 9168.724667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9168.724667][ T3767] netdev_get_by_index+0x5e/0x80 [ 9168.724667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9168.724667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9168.724667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9168.724667][ T3767] ipv6_add_addr+0x411/0x2000 [ 9168.724667][ T3767] inet6_addr_add+0x30e/0xa40 [ 9168.724667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9168.724667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.724667][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.724667][ T3767] netlink_unicast+0x449/0x710 [ 9168.724667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.724667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.724667][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.724667][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.724667][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.724667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9168.724667][ T3767] [ 9168.726838][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9168.726838][ T3767] netdev_get_by_index+0x5e/0x80 [ 9168.726838][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9168.726838][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9168.726838][ T3767] ip6_route_add+0x1c/0x140 [ 9168.726838][ T3767] addrconf_add_mroute+0x129/0x180 [ 9168.726838][ T3767] addrconf_add_dev+0xe2/0x170 [ 9168.726838][ T3767] inet6_addr_add+0x12f/0xa40 [ 9168.726838][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9168.726838][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.726838][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.726838][ T3767] netlink_unicast+0x449/0x710 [ 9168.726838][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.726838][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.726838][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.726838][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.726838][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.726838][ T3767] [ 9168.728972][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9168.728972][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9168.728972][ T3767] ipv6_find_idev+0x102/0x170 [ 9168.728972][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9168.728972][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.728972][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.728972][ T3767] netlink_unicast+0x449/0x710 [ 9168.728972][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.728972][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.728972][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.728972][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.728972][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.728972][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9168.728972][ T3767] [ 9168.730642][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9168.730642][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9168.730642][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9168.730642][ T3767] ipv6_find_idev+0x102/0x170 [ 9168.730642][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9168.730642][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9168.730642][ T3767] netlink_rcv_skb+0x130/0x360 [ 9168.730642][ T3767] netlink_unicast+0x449/0x710 [ 9168.730642][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9168.730642][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9168.730642][ T3767] ___sys_sendmsg+0xee/0x170 [ 9168.730642][ T3767] __sys_sendmsg+0xcd/0x170 [ 9168.730642][ T3767] do_syscall_64+0xc6/0x1e0 [ 9168.730642][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9168.730642][ T3767] [ 9178.951934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9178.952394][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9178.952394][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9178.952394][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9178.952394][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9178.952394][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9178.952394][ T3767] ip6_route_add+0x1c/0x140 [ 9178.952394][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9178.952394][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.952394][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.952394][ T3767] netlink_unicast+0x449/0x710 [ 9178.952394][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.952394][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.952394][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.952394][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.952394][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.952394][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9178.952394][ T3767] [ 9178.954474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9178.954474][ T3767] netdev_get_by_index+0x5e/0x80 [ 9178.954474][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9178.954474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9178.954474][ T3767] ip6_route_add+0x1c/0x140 [ 9178.954474][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9178.954474][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9178.954474][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9178.954474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.954474][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.954474][ T3767] netlink_unicast+0x449/0x710 [ 9178.954474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.954474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.954474][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.954474][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.954474][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.954474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9178.954474][ T3767] [ 9178.956651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9178.956651][ T3767] netdev_get_by_index+0x5e/0x80 [ 9178.956651][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9178.956651][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9178.956651][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9178.956651][ T3767] ipv6_add_addr+0x411/0x2000 [ 9178.956651][ T3767] inet6_addr_add+0x30e/0xa40 [ 9178.956651][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9178.956651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.956651][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.956651][ T3767] netlink_unicast+0x449/0x710 [ 9178.956651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.956651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.956651][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.956651][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.956651][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.956651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9178.956651][ T3767] [ 9178.958831][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9178.958831][ T3767] netdev_get_by_index+0x5e/0x80 [ 9178.958831][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9178.958831][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9178.958831][ T3767] ip6_route_add+0x1c/0x140 [ 9178.958831][ T3767] addrconf_add_mroute+0x129/0x180 [ 9178.958831][ T3767] addrconf_add_dev+0xe2/0x170 [ 9178.958831][ T3767] inet6_addr_add+0x12f/0xa40 [ 9178.958831][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9178.958831][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.958831][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.958831][ T3767] netlink_unicast+0x449/0x710 [ 9178.958831][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.958831][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.958831][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.958831][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.958831][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.958831][ T3767] [ 9178.960982][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9178.960982][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9178.960982][ T3767] ipv6_find_idev+0x102/0x170 [ 9178.960982][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9178.960982][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.960982][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.960982][ T3767] netlink_unicast+0x449/0x710 [ 9178.960982][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.960982][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.960982][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.960982][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.960982][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.960982][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9178.960982][ T3767] [ 9178.962682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9178.962682][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9178.962682][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9178.962682][ T3767] ipv6_find_idev+0x102/0x170 [ 9178.962682][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9178.962682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9178.962682][ T3767] netlink_rcv_skb+0x130/0x360 [ 9178.962682][ T3767] netlink_unicast+0x449/0x710 [ 9178.962682][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9178.962682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9178.962682][ T3767] ___sys_sendmsg+0xee/0x170 [ 9178.962682][ T3767] __sys_sendmsg+0xcd/0x170 [ 9178.962682][ T3767] do_syscall_64+0xc6/0x1e0 [ 9178.962682][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9178.962682][ T3767] [ 9189.199937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9189.200397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9189.200397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9189.200397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9189.200397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9189.200397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9189.200397][ T3767] ip6_route_add+0x1c/0x140 [ 9189.200397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9189.200397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.200397][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.200397][ T3767] netlink_unicast+0x449/0x710 [ 9189.200397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.200397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.200397][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.200397][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.200397][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.200397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.200397][ T3767] [ 9189.202461][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9189.202461][ T3767] netdev_get_by_index+0x5e/0x80 [ 9189.202461][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9189.202461][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9189.202461][ T3767] ip6_route_add+0x1c/0x140 [ 9189.202461][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9189.202461][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9189.202461][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.202461][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.202461][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.202461][ T3767] netlink_unicast+0x449/0x710 [ 9189.202461][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.202461][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.202461][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.202461][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.202461][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.202461][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.202461][ T3767] [ 9189.204658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9189.204658][ T3767] netdev_get_by_index+0x5e/0x80 [ 9189.204658][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9189.204658][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9189.204658][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9189.204658][ T3767] ipv6_add_addr+0x411/0x2000 [ 9189.204658][ T3767] inet6_addr_add+0x30e/0xa40 [ 9189.204658][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.204658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.204658][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.204658][ T3767] netlink_unicast+0x449/0x710 [ 9189.204658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.204658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.204658][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.204658][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.204658][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.204658][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.204658][ T3767] [ 9189.206843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9189.206843][ T3767] netdev_get_by_index+0x5e/0x80 [ 9189.206843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9189.206843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9189.206843][ T3767] ip6_route_add+0x1c/0x140 [ 9189.206843][ T3767] addrconf_add_mroute+0x129/0x180 [ 9189.206843][ T3767] addrconf_add_dev+0xe2/0x170 [ 9189.206843][ T3767] inet6_addr_add+0x12f/0xa40 [ 9189.206843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9189.206843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.206843][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.206843][ T3767] netlink_unicast+0x449/0x710 [ 9189.206843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.206843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.206843][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.206843][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.206843][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.206843][ T3767] [ 9189.208990][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9189.208990][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9189.208990][ T3767] ipv6_find_idev+0x102/0x170 [ 9189.208990][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9189.208990][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.208990][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.208990][ T3767] netlink_unicast+0x449/0x710 [ 9189.208990][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.208990][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.208990][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.208990][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.208990][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.208990][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.208990][ T3767] [ 9189.210662][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9189.210662][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9189.210662][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9189.210662][ T3767] ipv6_find_idev+0x102/0x170 [ 9189.210662][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9189.210662][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9189.210662][ T3767] netlink_rcv_skb+0x130/0x360 [ 9189.210662][ T3767] netlink_unicast+0x449/0x710 [ 9189.210662][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9189.210662][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9189.210662][ T3767] ___sys_sendmsg+0xee/0x170 [ 9189.210662][ T3767] __sys_sendmsg+0xcd/0x170 [ 9189.210662][ T3767] do_syscall_64+0xc6/0x1e0 [ 9189.210662][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9189.210662][ T3767] [ 9199.447968][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9199.448365][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9199.448365][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9199.448365][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9199.448365][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9199.448365][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9199.448365][ T3767] ip6_route_add+0x1c/0x140 [ 9199.448365][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9199.448365][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.448365][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.448365][ T3767] netlink_unicast+0x449/0x710 [ 9199.448365][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.448365][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.448365][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.448365][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.448365][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.448365][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.448365][ T3767] [ 9199.450453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9199.450453][ T3767] netdev_get_by_index+0x5e/0x80 [ 9199.450453][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9199.450453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9199.450453][ T3767] ip6_route_add+0x1c/0x140 [ 9199.450453][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9199.450453][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9199.450453][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.450453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.450453][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.450453][ T3767] netlink_unicast+0x449/0x710 [ 9199.450453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.450453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.450453][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.450453][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.450453][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.450453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.450453][ T3767] [ 9199.452630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9199.452630][ T3767] netdev_get_by_index+0x5e/0x80 [ 9199.452630][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9199.452630][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9199.452630][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9199.452630][ T3767] ipv6_add_addr+0x411/0x2000 [ 9199.452630][ T3767] inet6_addr_add+0x30e/0xa40 [ 9199.452630][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.452630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.452630][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.452630][ T3767] netlink_unicast+0x449/0x710 [ 9199.452630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.452630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.452630][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.452630][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.452630][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.452630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.452630][ T3767] [ 9199.454822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9199.454822][ T3767] netdev_get_by_index+0x5e/0x80 [ 9199.454822][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9199.454822][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9199.454822][ T3767] ip6_route_add+0x1c/0x140 [ 9199.454822][ T3767] addrconf_add_mroute+0x129/0x180 [ 9199.454822][ T3767] addrconf_add_dev+0xe2/0x170 [ 9199.454822][ T3767] inet6_addr_add+0x12f/0xa40 [ 9199.454822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9199.454822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.454822][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.454822][ T3767] netlink_unicast+0x449/0x710 [ 9199.454822][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.454822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.454822][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.454822][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.454822][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.454822][ T3767] [ 9199.456982][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9199.456982][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9199.456982][ T3767] ipv6_find_idev+0x102/0x170 [ 9199.456982][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9199.456982][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.456982][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.456982][ T3767] netlink_unicast+0x449/0x710 [ 9199.456982][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.456982][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.456982][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.456982][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.456982][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.456982][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.456982][ T3767] [ 9199.458660][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9199.458660][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9199.458660][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9199.458660][ T3767] ipv6_find_idev+0x102/0x170 [ 9199.458660][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9199.458660][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9199.458660][ T3767] netlink_rcv_skb+0x130/0x360 [ 9199.458660][ T3767] netlink_unicast+0x449/0x710 [ 9199.458660][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9199.458660][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9199.458660][ T3767] ___sys_sendmsg+0xee/0x170 [ 9199.458660][ T3767] __sys_sendmsg+0xcd/0x170 [ 9199.458660][ T3767] do_syscall_64+0xc6/0x1e0 [ 9199.458660][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9199.458660][ T3767] [ 9209.695936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9209.696331][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9209.696331][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9209.696331][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9209.696331][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9209.696331][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9209.696331][ T3767] ip6_route_add+0x1c/0x140 [ 9209.696331][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9209.696331][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.696331][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.696331][ T3767] netlink_unicast+0x449/0x710 [ 9209.696331][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.696331][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.696331][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.696331][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.696331][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.696331][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9209.696331][ T3767] [ 9209.698499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9209.698499][ T3767] netdev_get_by_index+0x5e/0x80 [ 9209.698499][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9209.698499][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9209.698499][ T3767] ip6_route_add+0x1c/0x140 [ 9209.698499][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9209.698499][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9209.698499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9209.698499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.698499][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.698499][ T3767] netlink_unicast+0x449/0x710 [ 9209.698499][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.698499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.698499][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.698499][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.698499][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.698499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9209.698499][ T3767] [ 9209.700687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9209.700687][ T3767] netdev_get_by_index+0x5e/0x80 [ 9209.700687][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9209.700687][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9209.700687][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9209.700687][ T3767] ipv6_add_addr+0x411/0x2000 [ 9209.700687][ T3767] inet6_addr_add+0x30e/0xa40 [ 9209.700687][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9209.700687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.700687][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.700687][ T3767] netlink_unicast+0x449/0x710 [ 9209.700687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.700687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.700687][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.700687][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.700687][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.700687][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9209.700687][ T3767] [ 9209.702870][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9209.702870][ T3767] netdev_get_by_index+0x5e/0x80 [ 9209.702870][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9209.702870][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9209.702870][ T3767] ip6_route_add+0x1c/0x140 [ 9209.702870][ T3767] addrconf_add_mroute+0x129/0x180 [ 9209.702870][ T3767] addrconf_add_dev+0xe2/0x170 [ 9209.702870][ T3767] inet6_addr_add+0x12f/0xa40 [ 9209.702870][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9209.702870][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.702870][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.702870][ T3767] netlink_unicast+0x449/0x710 [ 9209.702870][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.702870][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.702870][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.702870][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.702870][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.702870][ T3767] [ 9209.705039][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9209.705039][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9209.705039][ T3767] ipv6_find_idev+0x102/0x170 [ 9209.705039][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9209.705039][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.705039][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.705039][ T3767] netlink_unicast+0x449/0x710 [ 9209.705039][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.705039][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.705039][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.705039][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.705039][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.705039][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9209.705039][ T3767] [ 9209.706717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9209.706717][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9209.706717][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9209.706717][ T3767] ipv6_find_idev+0x102/0x170 [ 9209.706717][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9209.706717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9209.706717][ T3767] netlink_rcv_skb+0x130/0x360 [ 9209.706717][ T3767] netlink_unicast+0x449/0x710 [ 9209.706717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9209.706717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9209.706717][ T3767] ___sys_sendmsg+0xee/0x170 [ 9209.706717][ T3767] __sys_sendmsg+0xcd/0x170 [ 9209.706717][ T3767] do_syscall_64+0xc6/0x1e0 [ 9209.706717][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9209.706717][ T3767] [ 9219.943962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9219.944426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9219.944426][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9219.944426][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9219.944426][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9219.944426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9219.944426][ T3767] ip6_route_add+0x1c/0x140 [ 9219.944426][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9219.944426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.944426][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.944426][ T3767] netlink_unicast+0x449/0x710 [ 9219.944426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.944426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.944426][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.944426][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.944426][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.944426][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9219.944426][ T3767] [ 9219.946496][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9219.946496][ T3767] netdev_get_by_index+0x5e/0x80 [ 9219.946496][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9219.946496][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9219.946496][ T3767] ip6_route_add+0x1c/0x140 [ 9219.946496][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9219.946496][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9219.946496][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9219.946496][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.946496][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.946496][ T3767] netlink_unicast+0x449/0x710 [ 9219.946496][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.946496][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.946496][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.946496][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.946496][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.946496][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9219.946496][ T3767] [ 9219.948737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9219.948737][ T3767] netdev_get_by_index+0x5e/0x80 [ 9219.948737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9219.948737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9219.948737][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9219.948737][ T3767] ipv6_add_addr+0x411/0x2000 [ 9219.948737][ T3767] inet6_addr_add+0x30e/0xa40 [ 9219.948737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9219.948737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.948737][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.948737][ T3767] netlink_unicast+0x449/0x710 [ 9219.948737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.948737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.948737][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.948737][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.948737][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.948737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9219.948737][ T3767] [ 9219.951396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9219.951396][ T3767] netdev_get_by_index+0x5e/0x80 [ 9219.951396][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9219.951396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9219.951396][ T3767] ip6_route_add+0x1c/0x140 [ 9219.951396][ T3767] addrconf_add_mroute+0x129/0x180 [ 9219.951396][ T3767] addrconf_add_dev+0xe2/0x170 [ 9219.951396][ T3767] inet6_addr_add+0x12f/0xa40 [ 9219.951396][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9219.951396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.951396][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.951396][ T3767] netlink_unicast+0x449/0x710 [ 9219.951396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.951396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.951396][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.951396][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.951396][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.951396][ T3767] [ 9219.953550][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9219.953550][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9219.953550][ T3767] ipv6_find_idev+0x102/0x170 [ 9219.953550][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9219.953550][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.953550][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.953550][ T3767] netlink_unicast+0x449/0x710 [ 9219.953550][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.953550][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.953550][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.953550][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.953550][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.953550][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9219.953550][ T3767] [ 9219.955231][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9219.955231][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9219.955231][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9219.955231][ T3767] ipv6_find_idev+0x102/0x170 [ 9219.955231][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9219.955231][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9219.955231][ T3767] netlink_rcv_skb+0x130/0x360 [ 9219.955231][ T3767] netlink_unicast+0x449/0x710 [ 9219.955231][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9219.955231][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9219.955231][ T3767] ___sys_sendmsg+0xee/0x170 [ 9219.955231][ T3767] __sys_sendmsg+0xcd/0x170 [ 9219.955231][ T3767] do_syscall_64+0xc6/0x1e0 [ 9219.955231][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9219.955231][ T3767] [ 9230.200007][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9230.200474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9230.200474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9230.200474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9230.200474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9230.200474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9230.200474][ T3767] ip6_route_add+0x1c/0x140 [ 9230.200474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9230.200474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.200474][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.200474][ T3767] netlink_unicast+0x449/0x710 [ 9230.200474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.200474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.200474][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.200474][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.200474][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.200474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.200474][ T3767] [ 9230.202587][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9230.202587][ T3767] netdev_get_by_index+0x5e/0x80 [ 9230.202587][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9230.202587][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9230.202587][ T3767] ip6_route_add+0x1c/0x140 [ 9230.202587][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9230.202587][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9230.202587][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.202587][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.202587][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.202587][ T3767] netlink_unicast+0x449/0x710 [ 9230.202587][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.202587][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.202587][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.202587][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.202587][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.202587][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.202587][ T3767] [ 9230.204787][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9230.204787][ T3767] netdev_get_by_index+0x5e/0x80 [ 9230.204787][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9230.204787][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9230.204787][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9230.204787][ T3767] ipv6_add_addr+0x411/0x2000 [ 9230.204787][ T3767] inet6_addr_add+0x30e/0xa40 [ 9230.204787][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.204787][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.204787][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.204787][ T3767] netlink_unicast+0x449/0x710 [ 9230.204787][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.204787][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.204787][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.204787][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.204787][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.204787][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.204787][ T3767] [ 9230.206978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9230.206978][ T3767] netdev_get_by_index+0x5e/0x80 [ 9230.206978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9230.206978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9230.206978][ T3767] ip6_route_add+0x1c/0x140 [ 9230.206978][ T3767] addrconf_add_mroute+0x129/0x180 [ 9230.206978][ T3767] addrconf_add_dev+0xe2/0x170 [ 9230.206978][ T3767] inet6_addr_add+0x12f/0xa40 [ 9230.206978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9230.206978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.206978][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.206978][ T3767] netlink_unicast+0x449/0x710 [ 9230.206978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.206978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.206978][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.206978][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.206978][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.206978][ T3767] [ 9230.209124][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9230.209124][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9230.209124][ T3767] ipv6_find_idev+0x102/0x170 [ 9230.209124][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9230.209124][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.209124][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.209124][ T3767] netlink_unicast+0x449/0x710 [ 9230.209124][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.209124][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.209124][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.209124][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.209124][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.209124][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.209124][ T3767] [ 9230.210818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9230.210818][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9230.210818][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9230.210818][ T3767] ipv6_find_idev+0x102/0x170 [ 9230.210818][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9230.210818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9230.210818][ T3767] netlink_rcv_skb+0x130/0x360 [ 9230.210818][ T3767] netlink_unicast+0x449/0x710 [ 9230.210818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9230.210818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9230.210818][ T3767] ___sys_sendmsg+0xee/0x170 [ 9230.210818][ T3767] __sys_sendmsg+0xcd/0x170 [ 9230.210818][ T3767] do_syscall_64+0xc6/0x1e0 [ 9230.210818][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9230.210818][ T3767] [ 9240.447930][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9240.448389][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9240.448389][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9240.448389][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9240.448389][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9240.448389][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9240.448389][ T3767] ip6_route_add+0x1c/0x140 [ 9240.448389][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9240.448389][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.448389][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.448389][ T3767] netlink_unicast+0x449/0x710 [ 9240.448389][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.448389][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.448389][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.448389][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.448389][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.448389][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.448389][ T3767] [ 9240.450459][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9240.450459][ T3767] netdev_get_by_index+0x5e/0x80 [ 9240.450459][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9240.450459][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9240.450459][ T3767] ip6_route_add+0x1c/0x140 [ 9240.450459][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9240.450459][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9240.450459][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.450459][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.450459][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.450459][ T3767] netlink_unicast+0x449/0x710 [ 9240.450459][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.450459][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.450459][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.450459][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.450459][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.450459][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.450459][ T3767] [ 9240.452675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9240.452675][ T3767] netdev_get_by_index+0x5e/0x80 [ 9240.452675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9240.452675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9240.452675][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9240.452675][ T3767] ipv6_add_addr+0x411/0x2000 [ 9240.452675][ T3767] inet6_addr_add+0x30e/0xa40 [ 9240.452675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.452675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.452675][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.452675][ T3767] netlink_unicast+0x449/0x710 [ 9240.452675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.452675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.452675][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.452675][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.452675][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.452675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.452675][ T3767] [ 9240.454896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9240.454896][ T3767] netdev_get_by_index+0x5e/0x80 [ 9240.454896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9240.454896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9240.454896][ T3767] ip6_route_add+0x1c/0x140 [ 9240.454896][ T3767] addrconf_add_mroute+0x129/0x180 [ 9240.454896][ T3767] addrconf_add_dev+0xe2/0x170 [ 9240.454896][ T3767] inet6_addr_add+0x12f/0xa40 [ 9240.454896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9240.454896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.454896][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.454896][ T3767] netlink_unicast+0x449/0x710 [ 9240.454896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.454896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.454896][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.454896][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.454896][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.454896][ T3767] [ 9240.457030][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9240.457030][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9240.457030][ T3767] ipv6_find_idev+0x102/0x170 [ 9240.457030][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9240.457030][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.457030][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.457030][ T3767] netlink_unicast+0x449/0x710 [ 9240.457030][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.457030][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.457030][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.457030][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.457030][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.457030][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.457030][ T3767] [ 9240.458709][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9240.458709][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9240.458709][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9240.458709][ T3767] ipv6_find_idev+0x102/0x170 [ 9240.458709][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9240.458709][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9240.458709][ T3767] netlink_rcv_skb+0x130/0x360 [ 9240.458709][ T3767] netlink_unicast+0x449/0x710 [ 9240.458709][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9240.458709][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9240.458709][ T3767] ___sys_sendmsg+0xee/0x170 [ 9240.458709][ T3767] __sys_sendmsg+0xcd/0x170 [ 9240.458709][ T3767] do_syscall_64+0xc6/0x1e0 [ 9240.458709][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9240.458709][ T3767] [ 9250.695934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9250.696397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9250.696397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9250.696397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9250.696397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9250.696397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9250.696397][ T3767] ip6_route_add+0x1c/0x140 [ 9250.696397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9250.696397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.696397][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.696397][ T3767] netlink_unicast+0x449/0x710 [ 9250.696397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.696397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.696397][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.696397][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.696397][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.696397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9250.696397][ T3767] [ 9250.698469][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9250.698469][ T3767] netdev_get_by_index+0x5e/0x80 [ 9250.698469][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9250.698469][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9250.698469][ T3767] ip6_route_add+0x1c/0x140 [ 9250.698469][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9250.698469][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9250.698469][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9250.698469][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.698469][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.698469][ T3767] netlink_unicast+0x449/0x710 [ 9250.698469][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.698469][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.698469][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.698469][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.698469][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.698469][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9250.698469][ T3767] [ 9250.700656][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9250.700656][ T3767] netdev_get_by_index+0x5e/0x80 [ 9250.700656][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9250.700656][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9250.700656][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9250.700656][ T3767] ipv6_add_addr+0x411/0x2000 [ 9250.700656][ T3767] inet6_addr_add+0x30e/0xa40 [ 9250.700656][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9250.700656][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.700656][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.700656][ T3767] netlink_unicast+0x449/0x710 [ 9250.700656][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.700656][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.700656][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.700656][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.700656][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.700656][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9250.700656][ T3767] [ 9250.702856][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9250.702856][ T3767] netdev_get_by_index+0x5e/0x80 [ 9250.702856][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9250.702856][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9250.702856][ T3767] ip6_route_add+0x1c/0x140 [ 9250.702856][ T3767] addrconf_add_mroute+0x129/0x180 [ 9250.702856][ T3767] addrconf_add_dev+0xe2/0x170 [ 9250.702856][ T3767] inet6_addr_add+0x12f/0xa40 [ 9250.702856][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9250.702856][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.702856][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.702856][ T3767] netlink_unicast+0x449/0x710 [ 9250.702856][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.702856][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.702856][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.702856][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.702856][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.702856][ T3767] [ 9250.705094][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9250.705094][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9250.705094][ T3767] ipv6_find_idev+0x102/0x170 [ 9250.705094][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9250.705094][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.705094][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.705094][ T3767] netlink_unicast+0x449/0x710 [ 9250.705094][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.705094][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.705094][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.705094][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.705094][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.705094][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9250.705094][ T3767] [ 9250.706769][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9250.706769][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9250.706769][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9250.706769][ T3767] ipv6_find_idev+0x102/0x170 [ 9250.706769][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9250.706769][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9250.706769][ T3767] netlink_rcv_skb+0x130/0x360 [ 9250.706769][ T3767] netlink_unicast+0x449/0x710 [ 9250.706769][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9250.706769][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9250.706769][ T3767] ___sys_sendmsg+0xee/0x170 [ 9250.706769][ T3767] __sys_sendmsg+0xcd/0x170 [ 9250.706769][ T3767] do_syscall_64+0xc6/0x1e0 [ 9250.706769][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9250.706769][ T3767] [ 9260.943932][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9260.944343][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9260.944343][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9260.944343][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9260.944343][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9260.944343][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9260.944343][ T3767] ip6_route_add+0x1c/0x140 [ 9260.944343][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9260.944343][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.944343][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.944343][ T3767] netlink_unicast+0x449/0x710 [ 9260.944343][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.944343][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.944343][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.944343][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.944343][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.944343][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9260.944343][ T3767] [ 9260.946417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9260.946417][ T3767] netdev_get_by_index+0x5e/0x80 [ 9260.946417][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9260.946417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9260.946417][ T3767] ip6_route_add+0x1c/0x140 [ 9260.946417][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9260.946417][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9260.946417][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9260.946417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.946417][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.946417][ T3767] netlink_unicast+0x449/0x710 [ 9260.946417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.946417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.946417][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.946417][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.946417][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.946417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9260.946417][ T3767] [ 9260.948612][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9260.948612][ T3767] netdev_get_by_index+0x5e/0x80 [ 9260.948612][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9260.948612][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9260.948612][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9260.948612][ T3767] ipv6_add_addr+0x411/0x2000 [ 9260.948612][ T3767] inet6_addr_add+0x30e/0xa40 [ 9260.948612][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9260.948612][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.948612][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.948612][ T3767] netlink_unicast+0x449/0x710 [ 9260.948612][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.948612][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.948612][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.948612][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.948612][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.948612][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9260.948612][ T3767] [ 9260.950792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9260.950792][ T3767] netdev_get_by_index+0x5e/0x80 [ 9260.950792][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9260.950792][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9260.950792][ T3767] ip6_route_add+0x1c/0x140 [ 9260.950792][ T3767] addrconf_add_mroute+0x129/0x180 [ 9260.950792][ T3767] addrconf_add_dev+0xe2/0x170 [ 9260.950792][ T3767] inet6_addr_add+0x12f/0xa40 [ 9260.950792][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9260.950792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.950792][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.950792][ T3767] netlink_unicast+0x449/0x710 [ 9260.950792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.950792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.950792][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.950792][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.950792][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.950792][ T3767] [ 9260.952933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9260.952933][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9260.952933][ T3767] ipv6_find_idev+0x102/0x170 [ 9260.952933][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9260.952933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.952933][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.952933][ T3767] netlink_unicast+0x449/0x710 [ 9260.952933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.952933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.952933][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.952933][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.952933][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.952933][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9260.952933][ T3767] [ 9260.955107][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9260.955107][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9260.955107][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9260.955107][ T3767] ipv6_find_idev+0x102/0x170 [ 9260.955107][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9260.955107][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9260.955107][ T3767] netlink_rcv_skb+0x130/0x360 [ 9260.955107][ T3767] netlink_unicast+0x449/0x710 [ 9260.955107][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9260.955107][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9260.955107][ T3767] ___sys_sendmsg+0xee/0x170 [ 9260.955107][ T3767] __sys_sendmsg+0xcd/0x170 [ 9260.955107][ T3767] do_syscall_64+0xc6/0x1e0 [ 9260.955107][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9260.955107][ T3767] [ 9271.152040][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9271.152500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9271.152500][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9271.152500][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9271.152500][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9271.152500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9271.152500][ T3767] ip6_route_add+0x1c/0x140 [ 9271.152500][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9271.152500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.152500][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.152500][ T3767] netlink_unicast+0x449/0x710 [ 9271.152500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.152500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.152500][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.152500][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.152500][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.152500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.152500][ T3767] [ 9271.154589][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9271.154589][ T3767] netdev_get_by_index+0x5e/0x80 [ 9271.154589][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9271.154589][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9271.154589][ T3767] ip6_route_add+0x1c/0x140 [ 9271.154589][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9271.154589][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9271.154589][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.154589][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.154589][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.154589][ T3767] netlink_unicast+0x449/0x710 [ 9271.154589][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.154589][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.154589][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.154589][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.154589][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.154589][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.154589][ T3767] [ 9271.156775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9271.156775][ T3767] netdev_get_by_index+0x5e/0x80 [ 9271.156775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9271.156775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9271.156775][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9271.156775][ T3767] ipv6_add_addr+0x411/0x2000 [ 9271.156775][ T3767] inet6_addr_add+0x30e/0xa40 [ 9271.156775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.156775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.156775][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.156775][ T3767] netlink_unicast+0x449/0x710 [ 9271.156775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.156775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.156775][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.156775][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.156775][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.156775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.156775][ T3767] [ 9271.158958][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9271.158958][ T3767] netdev_get_by_index+0x5e/0x80 [ 9271.158958][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9271.158958][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9271.158958][ T3767] ip6_route_add+0x1c/0x140 [ 9271.158958][ T3767] addrconf_add_mroute+0x129/0x180 [ 9271.158958][ T3767] addrconf_add_dev+0xe2/0x170 [ 9271.158958][ T3767] inet6_addr_add+0x12f/0xa40 [ 9271.158958][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9271.158958][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.158958][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.158958][ T3767] netlink_unicast+0x449/0x710 [ 9271.158958][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.158958][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.158958][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.158958][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.158958][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.158958][ T3767] [ 9271.161110][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9271.161110][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9271.161110][ T3767] ipv6_find_idev+0x102/0x170 [ 9271.161110][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9271.161110][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.161110][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.161110][ T3767] netlink_unicast+0x449/0x710 [ 9271.161110][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.161110][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.161110][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.161110][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.161110][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.161110][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.161110][ T3767] [ 9271.162786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9271.162786][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9271.162786][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9271.162786][ T3767] ipv6_find_idev+0x102/0x170 [ 9271.162786][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9271.162786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9271.162786][ T3767] netlink_rcv_skb+0x130/0x360 [ 9271.162786][ T3767] netlink_unicast+0x449/0x710 [ 9271.162786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9271.162786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9271.162786][ T3767] ___sys_sendmsg+0xee/0x170 [ 9271.162786][ T3767] __sys_sendmsg+0xcd/0x170 [ 9271.162786][ T3767] do_syscall_64+0xc6/0x1e0 [ 9271.162786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9271.162786][ T3767] [ 9281.359939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9281.360412][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9281.360412][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9281.360412][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9281.360412][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9281.360412][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9281.360412][ T3767] ip6_route_add+0x1c/0x140 [ 9281.360412][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9281.360412][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.360412][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.360412][ T3767] netlink_unicast+0x449/0x710 [ 9281.360412][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.360412][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.360412][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.360412][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.360412][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.360412][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.360412][ T3767] [ 9281.362489][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9281.362489][ T3767] netdev_get_by_index+0x5e/0x80 [ 9281.362489][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9281.362489][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9281.362489][ T3767] ip6_route_add+0x1c/0x140 [ 9281.362489][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9281.362489][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9281.362489][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.362489][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.362489][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.362489][ T3767] netlink_unicast+0x449/0x710 [ 9281.362489][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.362489][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.362489][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.362489][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.362489][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.362489][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.362489][ T3767] [ 9281.364687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9281.364687][ T3767] netdev_get_by_index+0x5e/0x80 [ 9281.364687][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9281.364687][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9281.364687][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9281.364687][ T3767] ipv6_add_addr+0x411/0x2000 [ 9281.364687][ T3767] inet6_addr_add+0x30e/0xa40 [ 9281.364687][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.364687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.364687][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.364687][ T3767] netlink_unicast+0x449/0x710 [ 9281.364687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.364687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.364687][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.364687][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.364687][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.364687][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.364687][ T3767] [ 9281.366871][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9281.366871][ T3767] netdev_get_by_index+0x5e/0x80 [ 9281.366871][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9281.366871][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9281.366871][ T3767] ip6_route_add+0x1c/0x140 [ 9281.366871][ T3767] addrconf_add_mroute+0x129/0x180 [ 9281.366871][ T3767] addrconf_add_dev+0xe2/0x170 [ 9281.366871][ T3767] inet6_addr_add+0x12f/0xa40 [ 9281.366871][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9281.366871][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.366871][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.366871][ T3767] netlink_unicast+0x449/0x710 [ 9281.366871][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.366871][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.366871][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.366871][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.366871][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.366871][ T3767] [ 9281.369017][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9281.369017][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9281.369017][ T3767] ipv6_find_idev+0x102/0x170 [ 9281.369017][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9281.369017][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.369017][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.369017][ T3767] netlink_unicast+0x449/0x710 [ 9281.369017][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.369017][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.369017][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.369017][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.369017][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.369017][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.369017][ T3767] [ 9281.370694][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9281.370694][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9281.370694][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9281.370694][ T3767] ipv6_find_idev+0x102/0x170 [ 9281.370694][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9281.370694][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9281.370694][ T3767] netlink_rcv_skb+0x130/0x360 [ 9281.370694][ T3767] netlink_unicast+0x449/0x710 [ 9281.370694][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9281.370694][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9281.370694][ T3767] ___sys_sendmsg+0xee/0x170 [ 9281.370694][ T3767] __sys_sendmsg+0xcd/0x170 [ 9281.370694][ T3767] do_syscall_64+0xc6/0x1e0 [ 9281.370694][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9281.370694][ T3767] [ 9291.607956][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9291.608429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9291.608429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9291.608429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9291.608429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9291.608429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9291.608429][ T3767] ip6_route_add+0x1c/0x140 [ 9291.608429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9291.608429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.608429][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.608429][ T3767] netlink_unicast+0x449/0x710 [ 9291.608429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.608429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.608429][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.608429][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.608429][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.608429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9291.608429][ T3767] [ 9291.610500][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9291.610500][ T3767] netdev_get_by_index+0x5e/0x80 [ 9291.610500][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9291.610500][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9291.610500][ T3767] ip6_route_add+0x1c/0x140 [ 9291.610500][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9291.610500][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9291.610500][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9291.610500][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.610500][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.610500][ T3767] netlink_unicast+0x449/0x710 [ 9291.610500][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.610500][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.610500][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.610500][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.610500][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.610500][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9291.610500][ T3767] [ 9291.612686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9291.612686][ T3767] netdev_get_by_index+0x5e/0x80 [ 9291.612686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9291.612686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9291.612686][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9291.612686][ T3767] ipv6_add_addr+0x411/0x2000 [ 9291.612686][ T3767] inet6_addr_add+0x30e/0xa40 [ 9291.612686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9291.612686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.612686][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.612686][ T3767] netlink_unicast+0x449/0x710 [ 9291.612686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.612686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.612686][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.612686][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.612686][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.612686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9291.612686][ T3767] [ 9291.614878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9291.614878][ T3767] netdev_get_by_index+0x5e/0x80 [ 9291.614878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9291.614878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9291.614878][ T3767] ip6_route_add+0x1c/0x140 [ 9291.614878][ T3767] addrconf_add_mroute+0x129/0x180 [ 9291.614878][ T3767] addrconf_add_dev+0xe2/0x170 [ 9291.614878][ T3767] inet6_addr_add+0x12f/0xa40 [ 9291.614878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9291.614878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.614878][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.614878][ T3767] netlink_unicast+0x449/0x710 [ 9291.614878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.614878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.614878][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.614878][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.614878][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.614878][ T3767] [ 9291.617056][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9291.617056][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9291.617056][ T3767] ipv6_find_idev+0x102/0x170 [ 9291.617056][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9291.617056][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.617056][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.617056][ T3767] netlink_unicast+0x449/0x710 [ 9291.617056][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.617056][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.617056][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.617056][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.617056][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.617056][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9291.617056][ T3767] [ 9291.618745][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9291.618745][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9291.618745][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9291.618745][ T3767] ipv6_find_idev+0x102/0x170 [ 9291.618745][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9291.618745][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9291.618745][ T3767] netlink_rcv_skb+0x130/0x360 [ 9291.618745][ T3767] netlink_unicast+0x449/0x710 [ 9291.618745][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9291.618745][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9291.618745][ T3767] ___sys_sendmsg+0xee/0x170 [ 9291.618745][ T3767] __sys_sendmsg+0xcd/0x170 [ 9291.618745][ T3767] do_syscall_64+0xc6/0x1e0 [ 9291.618745][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9291.618745][ T3767] [ 9301.855975][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9301.856502][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9301.856502][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9301.856502][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9301.856502][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9301.856502][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9301.856502][ T3767] ip6_route_add+0x1c/0x140 [ 9301.856502][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9301.856502][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.856502][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.856502][ T3767] netlink_unicast+0x449/0x710 [ 9301.856502][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.856502][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.856502][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.856502][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.856502][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.856502][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9301.856502][ T3767] [ 9301.858576][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9301.858576][ T3767] netdev_get_by_index+0x5e/0x80 [ 9301.858576][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9301.858576][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9301.858576][ T3767] ip6_route_add+0x1c/0x140 [ 9301.858576][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9301.858576][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9301.858576][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9301.858576][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.858576][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.858576][ T3767] netlink_unicast+0x449/0x710 [ 9301.858576][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.858576][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.858576][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.858576][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.858576][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.858576][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9301.858576][ T3767] [ 9301.860764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9301.860764][ T3767] netdev_get_by_index+0x5e/0x80 [ 9301.860764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9301.860764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9301.860764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9301.860764][ T3767] ipv6_add_addr+0x411/0x2000 [ 9301.860764][ T3767] inet6_addr_add+0x30e/0xa40 [ 9301.860764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9301.860764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.860764][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.860764][ T3767] netlink_unicast+0x449/0x710 [ 9301.860764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.860764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.860764][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.860764][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.860764][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.860764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9301.860764][ T3767] [ 9301.862947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9301.862947][ T3767] netdev_get_by_index+0x5e/0x80 [ 9301.862947][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9301.862947][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9301.862947][ T3767] ip6_route_add+0x1c/0x140 [ 9301.862947][ T3767] addrconf_add_mroute+0x129/0x180 [ 9301.862947][ T3767] addrconf_add_dev+0xe2/0x170 [ 9301.862947][ T3767] inet6_addr_add+0x12f/0xa40 [ 9301.862947][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9301.862947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.862947][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.862947][ T3767] netlink_unicast+0x449/0x710 [ 9301.862947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.862947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.862947][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.862947][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.862947][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.862947][ T3767] [ 9301.865108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9301.865108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9301.865108][ T3767] ipv6_find_idev+0x102/0x170 [ 9301.865108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9301.865108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.865108][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.865108][ T3767] netlink_unicast+0x449/0x710 [ 9301.865108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.865108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.865108][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.865108][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.865108][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.865108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9301.865108][ T3767] [ 9301.866792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9301.866792][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9301.866792][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9301.866792][ T3767] ipv6_find_idev+0x102/0x170 [ 9301.866792][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9301.866792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9301.866792][ T3767] netlink_rcv_skb+0x130/0x360 [ 9301.866792][ T3767] netlink_unicast+0x449/0x710 [ 9301.866792][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9301.866792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9301.866792][ T3767] ___sys_sendmsg+0xee/0x170 [ 9301.866792][ T3767] __sys_sendmsg+0xcd/0x170 [ 9301.866792][ T3767] do_syscall_64+0xc6/0x1e0 [ 9301.866792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9301.866792][ T3767] [ 9312.095960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9312.096429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9312.096429][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9312.096429][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9312.096429][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9312.096429][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9312.096429][ T3767] ip6_route_add+0x1c/0x140 [ 9312.096429][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9312.096429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.096429][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.096429][ T3767] netlink_unicast+0x449/0x710 [ 9312.096429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.096429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.096429][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.096429][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.096429][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.096429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.096429][ T3767] [ 9312.098512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9312.098512][ T3767] netdev_get_by_index+0x5e/0x80 [ 9312.098512][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9312.098512][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9312.098512][ T3767] ip6_route_add+0x1c/0x140 [ 9312.098512][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9312.098512][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9312.098512][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.098512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.098512][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.098512][ T3767] netlink_unicast+0x449/0x710 [ 9312.098512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.098512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.098512][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.098512][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.098512][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.098512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.098512][ T3767] [ 9312.100695][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9312.100695][ T3767] netdev_get_by_index+0x5e/0x80 [ 9312.100695][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9312.100695][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9312.100695][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9312.100695][ T3767] ipv6_add_addr+0x411/0x2000 [ 9312.100695][ T3767] inet6_addr_add+0x30e/0xa40 [ 9312.100695][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.100695][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.100695][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.100695][ T3767] netlink_unicast+0x449/0x710 [ 9312.100695][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.100695][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.100695][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.100695][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.100695][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.100695][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.100695][ T3767] [ 9312.102880][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9312.102880][ T3767] netdev_get_by_index+0x5e/0x80 [ 9312.102880][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9312.102880][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9312.102880][ T3767] ip6_route_add+0x1c/0x140 [ 9312.102880][ T3767] addrconf_add_mroute+0x129/0x180 [ 9312.102880][ T3767] addrconf_add_dev+0xe2/0x170 [ 9312.102880][ T3767] inet6_addr_add+0x12f/0xa40 [ 9312.102880][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9312.102880][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.102880][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.102880][ T3767] netlink_unicast+0x449/0x710 [ 9312.102880][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.102880][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.102880][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.102880][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.102880][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.102880][ T3767] [ 9312.105035][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9312.105035][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9312.105035][ T3767] ipv6_find_idev+0x102/0x170 [ 9312.105035][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9312.105035][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.105035][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.105035][ T3767] netlink_unicast+0x449/0x710 [ 9312.105035][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.105035][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.105035][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.105035][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.105035][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.105035][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.105035][ T3767] [ 9312.106714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9312.106714][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9312.106714][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9312.106714][ T3767] ipv6_find_idev+0x102/0x170 [ 9312.106714][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9312.106714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9312.106714][ T3767] netlink_rcv_skb+0x130/0x360 [ 9312.106714][ T3767] netlink_unicast+0x449/0x710 [ 9312.106714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9312.106714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9312.106714][ T3767] ___sys_sendmsg+0xee/0x170 [ 9312.106714][ T3767] __sys_sendmsg+0xcd/0x170 [ 9312.106714][ T3767] do_syscall_64+0xc6/0x1e0 [ 9312.106714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9312.106714][ T3767] [ 9322.127978][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9322.128463][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9322.128463][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9322.128463][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9322.128463][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9322.128463][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9322.128463][ T3767] ip6_route_add+0x1c/0x140 [ 9322.128463][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9322.128463][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.128463][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.128463][ T3767] netlink_unicast+0x449/0x710 [ 9322.128463][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.128463][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.128463][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.128463][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.128463][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.128463][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.128463][ T3767] [ 9322.130555][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9322.130555][ T3767] netdev_get_by_index+0x5e/0x80 [ 9322.130555][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9322.130555][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9322.130555][ T3767] ip6_route_add+0x1c/0x140 [ 9322.130555][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9322.130555][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9322.130555][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.130555][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.130555][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.130555][ T3767] netlink_unicast+0x449/0x710 [ 9322.130555][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.130555][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.130555][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.130555][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.130555][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.130555][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.130555][ T3767] [ 9322.132740][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9322.132740][ T3767] netdev_get_by_index+0x5e/0x80 [ 9322.132740][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9322.132740][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9322.132740][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9322.132740][ T3767] ipv6_add_addr+0x411/0x2000 [ 9322.132740][ T3767] inet6_addr_add+0x30e/0xa40 [ 9322.132740][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.132740][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.132740][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.132740][ T3767] netlink_unicast+0x449/0x710 [ 9322.132740][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.132740][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.132740][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.132740][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.132740][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.132740][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.132740][ T3767] [ 9322.134936][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9322.134936][ T3767] netdev_get_by_index+0x5e/0x80 [ 9322.134936][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9322.134936][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9322.134936][ T3767] ip6_route_add+0x1c/0x140 [ 9322.134936][ T3767] addrconf_add_mroute+0x129/0x180 [ 9322.134936][ T3767] addrconf_add_dev+0xe2/0x170 [ 9322.134936][ T3767] inet6_addr_add+0x12f/0xa40 [ 9322.134936][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9322.134936][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.134936][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.134936][ T3767] netlink_unicast+0x449/0x710 [ 9322.134936][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.134936][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.134936][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.134936][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.134936][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.134936][ T3767] [ 9322.137086][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9322.137086][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9322.137086][ T3767] ipv6_find_idev+0x102/0x170 [ 9322.137086][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9322.137086][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.137086][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.137086][ T3767] netlink_unicast+0x449/0x710 [ 9322.137086][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.137086][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.137086][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.137086][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.137086][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.137086][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.137086][ T3767] [ 9322.138779][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9322.138779][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9322.138779][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9322.138779][ T3767] ipv6_find_idev+0x102/0x170 [ 9322.138779][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9322.138779][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9322.138779][ T3767] netlink_rcv_skb+0x130/0x360 [ 9322.138779][ T3767] netlink_unicast+0x449/0x710 [ 9322.138779][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9322.138779][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9322.138779][ T3767] ___sys_sendmsg+0xee/0x170 [ 9322.138779][ T3767] __sys_sendmsg+0xcd/0x170 [ 9322.138779][ T3767] do_syscall_64+0xc6/0x1e0 [ 9322.138779][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9322.138779][ T3767] [ 9332.375997][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9332.376493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9332.376493][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9332.376493][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9332.376493][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9332.376493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9332.376493][ T3767] ip6_route_add+0x1c/0x140 [ 9332.376493][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9332.376493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.376493][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.376493][ T3767] netlink_unicast+0x449/0x710 [ 9332.376493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.376493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.376493][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.376493][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.376493][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.376493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.376493][ T3767] [ 9332.378567][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9332.378567][ T3767] netdev_get_by_index+0x5e/0x80 [ 9332.378567][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9332.378567][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9332.378567][ T3767] ip6_route_add+0x1c/0x140 [ 9332.378567][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9332.378567][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9332.378567][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.378567][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.378567][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.378567][ T3767] netlink_unicast+0x449/0x710 [ 9332.378567][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.378567][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.378567][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.378567][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.378567][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.378567][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.378567][ T3767] [ 9332.380759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9332.380759][ T3767] netdev_get_by_index+0x5e/0x80 [ 9332.380759][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9332.380759][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9332.380759][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9332.380759][ T3767] ipv6_add_addr+0x411/0x2000 [ 9332.380759][ T3767] inet6_addr_add+0x30e/0xa40 [ 9332.380759][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.380759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.380759][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.380759][ T3767] netlink_unicast+0x449/0x710 [ 9332.380759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.380759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.380759][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.380759][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.380759][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.380759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.380759][ T3767] [ 9332.383096][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9332.383096][ T3767] netdev_get_by_index+0x5e/0x80 [ 9332.383096][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9332.383096][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9332.383096][ T3767] ip6_route_add+0x1c/0x140 [ 9332.383096][ T3767] addrconf_add_mroute+0x129/0x180 [ 9332.383096][ T3767] addrconf_add_dev+0xe2/0x170 [ 9332.383096][ T3767] inet6_addr_add+0x12f/0xa40 [ 9332.383096][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9332.383096][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.383096][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.383096][ T3767] netlink_unicast+0x449/0x710 [ 9332.383096][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.383096][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.383096][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.383096][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.383096][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.383096][ T3767] [ 9332.385248][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9332.385248][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9332.385248][ T3767] ipv6_find_idev+0x102/0x170 [ 9332.385248][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9332.385248][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.385248][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.385248][ T3767] netlink_unicast+0x449/0x710 [ 9332.385248][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.385248][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.385248][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.385248][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.385248][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.385248][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.385248][ T3767] [ 9332.386933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9332.386933][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9332.386933][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9332.386933][ T3767] ipv6_find_idev+0x102/0x170 [ 9332.386933][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9332.386933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9332.386933][ T3767] netlink_rcv_skb+0x130/0x360 [ 9332.386933][ T3767] netlink_unicast+0x449/0x710 [ 9332.386933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9332.386933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9332.386933][ T3767] ___sys_sendmsg+0xee/0x170 [ 9332.386933][ T3767] __sys_sendmsg+0xcd/0x170 [ 9332.386933][ T3767] do_syscall_64+0xc6/0x1e0 [ 9332.386933][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9332.386933][ T3767] [ 9342.623894][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9342.624339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9342.624339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9342.624339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9342.624339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9342.624339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9342.624339][ T3767] ip6_route_add+0x1c/0x140 [ 9342.624339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9342.624339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.624339][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.624339][ T3767] netlink_unicast+0x449/0x710 [ 9342.624339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.624339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.624339][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.624339][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.624339][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.624339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.624339][ T3767] [ 9342.626420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9342.626420][ T3767] netdev_get_by_index+0x5e/0x80 [ 9342.626420][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9342.626420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9342.626420][ T3767] ip6_route_add+0x1c/0x140 [ 9342.626420][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9342.626420][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9342.626420][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.626420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.626420][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.626420][ T3767] netlink_unicast+0x449/0x710 [ 9342.626420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.626420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.626420][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.626420][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.626420][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.626420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.626420][ T3767] [ 9342.628608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9342.628608][ T3767] netdev_get_by_index+0x5e/0x80 [ 9342.628608][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9342.628608][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9342.628608][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9342.628608][ T3767] ipv6_add_addr+0x411/0x2000 [ 9342.628608][ T3767] inet6_addr_add+0x30e/0xa40 [ 9342.628608][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.628608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.628608][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.628608][ T3767] netlink_unicast+0x449/0x710 [ 9342.628608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.628608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.628608][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.628608][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.628608][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.628608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.628608][ T3767] [ 9342.630818][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9342.630818][ T3767] netdev_get_by_index+0x5e/0x80 [ 9342.630818][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9342.630818][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9342.630818][ T3767] ip6_route_add+0x1c/0x140 [ 9342.630818][ T3767] addrconf_add_mroute+0x129/0x180 [ 9342.630818][ T3767] addrconf_add_dev+0xe2/0x170 [ 9342.630818][ T3767] inet6_addr_add+0x12f/0xa40 [ 9342.630818][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9342.630818][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.630818][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.630818][ T3767] netlink_unicast+0x449/0x710 [ 9342.630818][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.630818][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.630818][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.630818][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.630818][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.630818][ T3767] [ 9342.633018][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9342.633018][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9342.633018][ T3767] ipv6_find_idev+0x102/0x170 [ 9342.633018][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9342.633018][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.633018][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.633018][ T3767] netlink_unicast+0x449/0x710 [ 9342.633018][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.633018][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.633018][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.633018][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.633018][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.633018][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.633018][ T3767] [ 9342.634702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9342.634702][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9342.634702][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9342.634702][ T3767] ipv6_find_idev+0x102/0x170 [ 9342.634702][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9342.634702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9342.634702][ T3767] netlink_rcv_skb+0x130/0x360 [ 9342.634702][ T3767] netlink_unicast+0x449/0x710 [ 9342.634702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9342.634702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9342.634702][ T3767] ___sys_sendmsg+0xee/0x170 [ 9342.634702][ T3767] __sys_sendmsg+0xcd/0x170 [ 9342.634702][ T3767] do_syscall_64+0xc6/0x1e0 [ 9342.634702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9342.634702][ T3767] [ 9352.871991][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9352.872411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9352.872411][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9352.872411][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9352.872411][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9352.872411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9352.872411][ T3767] ip6_route_add+0x1c/0x140 [ 9352.872411][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9352.872411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.872411][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.872411][ T3767] netlink_unicast+0x449/0x710 [ 9352.872411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.872411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.872411][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.872411][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.872411][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.872411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9352.872411][ T3767] [ 9352.874590][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9352.874590][ T3767] netdev_get_by_index+0x5e/0x80 [ 9352.874590][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9352.874590][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9352.874590][ T3767] ip6_route_add+0x1c/0x140 [ 9352.874590][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9352.874590][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9352.874590][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9352.874590][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.874590][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.874590][ T3767] netlink_unicast+0x449/0x710 [ 9352.874590][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.874590][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.874590][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.874590][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.874590][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.874590][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9352.874590][ T3767] [ 9352.876775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9352.876775][ T3767] netdev_get_by_index+0x5e/0x80 [ 9352.876775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9352.876775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9352.876775][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9352.876775][ T3767] ipv6_add_addr+0x411/0x2000 [ 9352.876775][ T3767] inet6_addr_add+0x30e/0xa40 [ 9352.876775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9352.876775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.876775][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.876775][ T3767] netlink_unicast+0x449/0x710 [ 9352.876775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.876775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.876775][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.876775][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.876775][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.876775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9352.876775][ T3767] [ 9352.878955][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9352.878955][ T3767] netdev_get_by_index+0x5e/0x80 [ 9352.878955][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9352.878955][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9352.878955][ T3767] ip6_route_add+0x1c/0x140 [ 9352.878955][ T3767] addrconf_add_mroute+0x129/0x180 [ 9352.878955][ T3767] addrconf_add_dev+0xe2/0x170 [ 9352.878955][ T3767] inet6_addr_add+0x12f/0xa40 [ 9352.878955][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9352.878955][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.878955][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.878955][ T3767] netlink_unicast+0x449/0x710 [ 9352.878955][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.878955][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.878955][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.878955][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.878955][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.878955][ T3767] [ 9352.881100][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9352.881100][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9352.881100][ T3767] ipv6_find_idev+0x102/0x170 [ 9352.881100][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9352.881100][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.881100][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.881100][ T3767] netlink_unicast+0x449/0x710 [ 9352.881100][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.881100][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.881100][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.881100][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.881100][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.881100][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9352.881100][ T3767] [ 9352.882778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9352.882778][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9352.882778][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9352.882778][ T3767] ipv6_find_idev+0x102/0x170 [ 9352.882778][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9352.882778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9352.882778][ T3767] netlink_rcv_skb+0x130/0x360 [ 9352.882778][ T3767] netlink_unicast+0x449/0x710 [ 9352.882778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9352.882778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9352.882778][ T3767] ___sys_sendmsg+0xee/0x170 [ 9352.882778][ T3767] __sys_sendmsg+0xcd/0x170 [ 9352.882778][ T3767] do_syscall_64+0xc6/0x1e0 [ 9352.882778][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9352.882778][ T3767] [ 9363.119979][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9363.120468][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9363.120468][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9363.120468][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9363.120468][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9363.120468][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9363.120468][ T3767] ip6_route_add+0x1c/0x140 [ 9363.120468][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9363.120468][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.120468][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.120468][ T3767] netlink_unicast+0x449/0x710 [ 9363.120468][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.120468][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.120468][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.120468][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.120468][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.120468][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.120468][ T3767] [ 9363.123097][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9363.123097][ T3767] netdev_get_by_index+0x5e/0x80 [ 9363.123097][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9363.123097][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9363.123097][ T3767] ip6_route_add+0x1c/0x140 [ 9363.123097][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9363.123097][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9363.123097][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.123097][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.123097][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.123097][ T3767] netlink_unicast+0x449/0x710 [ 9363.123097][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.123097][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.123097][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.123097][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.123097][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.123097][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.123097][ T3767] [ 9363.125786][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9363.125786][ T3767] netdev_get_by_index+0x5e/0x80 [ 9363.125786][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9363.125786][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9363.125786][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9363.125786][ T3767] ipv6_add_addr+0x411/0x2000 [ 9363.125786][ T3767] inet6_addr_add+0x30e/0xa40 [ 9363.125786][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.125786][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.125786][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.125786][ T3767] netlink_unicast+0x449/0x710 [ 9363.125786][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.125786][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.125786][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.125786][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.125786][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.125786][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.125786][ T3767] [ 9363.128467][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9363.128467][ T3767] netdev_get_by_index+0x5e/0x80 [ 9363.128467][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9363.128467][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9363.128467][ T3767] ip6_route_add+0x1c/0x140 [ 9363.128467][ T3767] addrconf_add_mroute+0x129/0x180 [ 9363.128467][ T3767] addrconf_add_dev+0xe2/0x170 [ 9363.128467][ T3767] inet6_addr_add+0x12f/0xa40 [ 9363.128467][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9363.128467][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.128467][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.128467][ T3767] netlink_unicast+0x449/0x710 [ 9363.128467][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.128467][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.128467][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.128467][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.128467][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.128467][ T3767] [ 9363.131101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9363.131101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9363.131101][ T3767] ipv6_find_idev+0x102/0x170 [ 9363.131101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9363.131101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.131101][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.131101][ T3767] netlink_unicast+0x449/0x710 [ 9363.131101][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.131101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.131101][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.131101][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.131101][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.131101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.131101][ T3767] [ 9363.133185][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9363.133185][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9363.133185][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9363.133185][ T3767] ipv6_find_idev+0x102/0x170 [ 9363.133185][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9363.133185][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9363.133185][ T3767] netlink_rcv_skb+0x130/0x360 [ 9363.133185][ T3767] netlink_unicast+0x449/0x710 [ 9363.133185][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9363.133185][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9363.133185][ T3767] ___sys_sendmsg+0xee/0x170 [ 9363.133185][ T3767] __sys_sendmsg+0xcd/0x170 [ 9363.133185][ T3767] do_syscall_64+0xc6/0x1e0 [ 9363.133185][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9363.133185][ T3767] [ 9373.375962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9373.376449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9373.376449][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9373.376449][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9373.376449][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9373.376449][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9373.376449][ T3767] ip6_route_add+0x1c/0x140 [ 9373.376449][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9373.376449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.376449][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.376449][ T3767] netlink_unicast+0x449/0x710 [ 9373.376449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.376449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.376449][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.376449][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.376449][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.376449][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9373.376449][ T3767] [ 9373.378522][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9373.378522][ T3767] netdev_get_by_index+0x5e/0x80 [ 9373.378522][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9373.378522][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9373.378522][ T3767] ip6_route_add+0x1c/0x140 [ 9373.378522][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9373.378522][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9373.378522][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9373.378522][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.378522][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.378522][ T3767] netlink_unicast+0x449/0x710 [ 9373.378522][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.378522][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.378522][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.378522][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.378522][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.378522][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9373.378522][ T3767] [ 9373.380732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9373.380732][ T3767] netdev_get_by_index+0x5e/0x80 [ 9373.380732][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9373.380732][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9373.380732][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9373.380732][ T3767] ipv6_add_addr+0x411/0x2000 [ 9373.380732][ T3767] inet6_addr_add+0x30e/0xa40 [ 9373.380732][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9373.380732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.380732][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.380732][ T3767] netlink_unicast+0x449/0x710 [ 9373.380732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.380732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.380732][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.380732][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.380732][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.380732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9373.380732][ T3767] [ 9373.383414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9373.383414][ T3767] netdev_get_by_index+0x5e/0x80 [ 9373.383414][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9373.383414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9373.383414][ T3767] ip6_route_add+0x1c/0x140 [ 9373.383414][ T3767] addrconf_add_mroute+0x129/0x180 [ 9373.383414][ T3767] addrconf_add_dev+0xe2/0x170 [ 9373.383414][ T3767] inet6_addr_add+0x12f/0xa40 [ 9373.383414][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9373.383414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.383414][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.383414][ T3767] netlink_unicast+0x449/0x710 [ 9373.383414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.383414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.383414][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.383414][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.383414][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.383414][ T3767] [ 9373.385570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9373.385570][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9373.385570][ T3767] ipv6_find_idev+0x102/0x170 [ 9373.385570][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9373.385570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.385570][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.385570][ T3767] netlink_unicast+0x449/0x710 [ 9373.385570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.385570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.385570][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.385570][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.385570][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.385570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9373.385570][ T3767] [ 9373.387256][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9373.387256][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9373.387256][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9373.387256][ T3767] ipv6_find_idev+0x102/0x170 [ 9373.387256][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9373.387256][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9373.387256][ T3767] netlink_rcv_skb+0x130/0x360 [ 9373.387256][ T3767] netlink_unicast+0x449/0x710 [ 9373.387256][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9373.387256][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9373.387256][ T3767] ___sys_sendmsg+0xee/0x170 [ 9373.387256][ T3767] __sys_sendmsg+0xcd/0x170 [ 9373.387256][ T3767] do_syscall_64+0xc6/0x1e0 [ 9373.387256][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9373.387256][ T3767] [ 9383.631962][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9383.632443][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9383.632443][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9383.632443][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9383.632443][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9383.632443][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9383.632443][ T3767] ip6_route_add+0x1c/0x140 [ 9383.632443][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9383.632443][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.632443][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.632443][ T3767] netlink_unicast+0x449/0x710 [ 9383.632443][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.632443][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.632443][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.632443][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.632443][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.632443][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9383.632443][ T3767] [ 9383.634524][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9383.634524][ T3767] netdev_get_by_index+0x5e/0x80 [ 9383.634524][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9383.634524][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9383.634524][ T3767] ip6_route_add+0x1c/0x140 [ 9383.634524][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9383.634524][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9383.634524][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9383.634524][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.634524][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.634524][ T3767] netlink_unicast+0x449/0x710 [ 9383.634524][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.634524][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.634524][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.634524][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.634524][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.634524][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9383.634524][ T3767] [ 9383.636714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9383.636714][ T3767] netdev_get_by_index+0x5e/0x80 [ 9383.636714][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9383.636714][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9383.636714][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9383.636714][ T3767] ipv6_add_addr+0x411/0x2000 [ 9383.636714][ T3767] inet6_addr_add+0x30e/0xa40 [ 9383.636714][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9383.636714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.636714][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.636714][ T3767] netlink_unicast+0x449/0x710 [ 9383.636714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.636714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.636714][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.636714][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.636714][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.636714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9383.636714][ T3767] [ 9383.638903][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9383.638903][ T3767] netdev_get_by_index+0x5e/0x80 [ 9383.638903][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9383.638903][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9383.638903][ T3767] ip6_route_add+0x1c/0x140 [ 9383.638903][ T3767] addrconf_add_mroute+0x129/0x180 [ 9383.638903][ T3767] addrconf_add_dev+0xe2/0x170 [ 9383.638903][ T3767] inet6_addr_add+0x12f/0xa40 [ 9383.638903][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9383.638903][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.638903][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.638903][ T3767] netlink_unicast+0x449/0x710 [ 9383.638903][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.638903][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.638903][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.638903][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.638903][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.638903][ T3767] [ 9383.641045][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9383.641045][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9383.641045][ T3767] ipv6_find_idev+0x102/0x170 [ 9383.641045][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9383.641045][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.641045][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.641045][ T3767] netlink_unicast+0x449/0x710 [ 9383.641045][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.641045][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.641045][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.641045][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.641045][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.641045][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9383.641045][ T3767] [ 9383.642738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9383.642738][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9383.642738][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9383.642738][ T3767] ipv6_find_idev+0x102/0x170 [ 9383.642738][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9383.642738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9383.642738][ T3767] netlink_rcv_skb+0x130/0x360 [ 9383.642738][ T3767] netlink_unicast+0x449/0x710 [ 9383.642738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9383.642738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9383.642738][ T3767] ___sys_sendmsg+0xee/0x170 [ 9383.642738][ T3767] __sys_sendmsg+0xcd/0x170 [ 9383.642738][ T3767] do_syscall_64+0xc6/0x1e0 [ 9383.642738][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9383.642738][ T3767] [ 9393.879954][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9393.880434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9393.880434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9393.880434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9393.880434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9393.880434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9393.880434][ T3767] ip6_route_add+0x1c/0x140 [ 9393.880434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9393.880434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.880434][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.880434][ T3767] netlink_unicast+0x449/0x710 [ 9393.880434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.880434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.880434][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.880434][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.880434][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.880434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9393.880434][ T3767] [ 9393.882547][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9393.882547][ T3767] netdev_get_by_index+0x5e/0x80 [ 9393.882547][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9393.882547][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9393.882547][ T3767] ip6_route_add+0x1c/0x140 [ 9393.882547][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9393.882547][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9393.882547][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9393.882547][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.882547][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.882547][ T3767] netlink_unicast+0x449/0x710 [ 9393.882547][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.882547][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.882547][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.882547][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.882547][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.882547][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9393.882547][ T3767] [ 9393.884765][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9393.884765][ T3767] netdev_get_by_index+0x5e/0x80 [ 9393.884765][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9393.884765][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9393.884765][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9393.884765][ T3767] ipv6_add_addr+0x411/0x2000 [ 9393.884765][ T3767] inet6_addr_add+0x30e/0xa40 [ 9393.884765][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9393.884765][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.884765][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.884765][ T3767] netlink_unicast+0x449/0x710 [ 9393.884765][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.884765][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.884765][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.884765][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.884765][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.884765][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9393.884765][ T3767] [ 9393.886978][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9393.886978][ T3767] netdev_get_by_index+0x5e/0x80 [ 9393.886978][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9393.886978][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9393.886978][ T3767] ip6_route_add+0x1c/0x140 [ 9393.886978][ T3767] addrconf_add_mroute+0x129/0x180 [ 9393.886978][ T3767] addrconf_add_dev+0xe2/0x170 [ 9393.886978][ T3767] inet6_addr_add+0x12f/0xa40 [ 9393.886978][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9393.886978][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.886978][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.886978][ T3767] netlink_unicast+0x449/0x710 [ 9393.886978][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.886978][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.886978][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.886978][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.886978][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.886978][ T3767] [ 9393.889146][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9393.889146][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9393.889146][ T3767] ipv6_find_idev+0x102/0x170 [ 9393.889146][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9393.889146][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.889146][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.889146][ T3767] netlink_unicast+0x449/0x710 [ 9393.889146][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.889146][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.889146][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.889146][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.889146][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.889146][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9393.889146][ T3767] [ 9393.890844][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9393.890844][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9393.890844][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9393.890844][ T3767] ipv6_find_idev+0x102/0x170 [ 9393.890844][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9393.890844][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9393.890844][ T3767] netlink_rcv_skb+0x130/0x360 [ 9393.890844][ T3767] netlink_unicast+0x449/0x710 [ 9393.890844][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9393.890844][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9393.890844][ T3767] ___sys_sendmsg+0xee/0x170 [ 9393.890844][ T3767] __sys_sendmsg+0xcd/0x170 [ 9393.890844][ T3767] do_syscall_64+0xc6/0x1e0 [ 9393.890844][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9393.890844][ T3767] [ 9404.127964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9404.128430][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9404.128430][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9404.128430][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9404.128430][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9404.128430][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9404.128430][ T3767] ip6_route_add+0x1c/0x140 [ 9404.128430][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9404.128430][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.128430][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.128430][ T3767] netlink_unicast+0x449/0x710 [ 9404.128430][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.128430][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.128430][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.128430][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.128430][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.128430][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.128430][ T3767] [ 9404.130495][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9404.130495][ T3767] netdev_get_by_index+0x5e/0x80 [ 9404.130495][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9404.130495][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9404.130495][ T3767] ip6_route_add+0x1c/0x140 [ 9404.130495][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9404.130495][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9404.130495][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.130495][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.130495][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.130495][ T3767] netlink_unicast+0x449/0x710 [ 9404.130495][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.130495][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.130495][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.130495][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.130495][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.130495][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.130495][ T3767] [ 9404.132687][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9404.132687][ T3767] netdev_get_by_index+0x5e/0x80 [ 9404.132687][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9404.132687][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9404.132687][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9404.132687][ T3767] ipv6_add_addr+0x411/0x2000 [ 9404.132687][ T3767] inet6_addr_add+0x30e/0xa40 [ 9404.132687][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.132687][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.132687][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.132687][ T3767] netlink_unicast+0x449/0x710 [ 9404.132687][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.132687][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.132687][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.132687][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.132687][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.132687][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.132687][ T3767] [ 9404.134866][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9404.134866][ T3767] netdev_get_by_index+0x5e/0x80 [ 9404.134866][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9404.134866][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9404.134866][ T3767] ip6_route_add+0x1c/0x140 [ 9404.134866][ T3767] addrconf_add_mroute+0x129/0x180 [ 9404.134866][ T3767] addrconf_add_dev+0xe2/0x170 [ 9404.134866][ T3767] inet6_addr_add+0x12f/0xa40 [ 9404.134866][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9404.134866][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.134866][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.134866][ T3767] netlink_unicast+0x449/0x710 [ 9404.134866][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.134866][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.134866][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.134866][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.134866][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.134866][ T3767] [ 9404.137008][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9404.137008][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9404.137008][ T3767] ipv6_find_idev+0x102/0x170 [ 9404.137008][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9404.137008][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.137008][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.137008][ T3767] netlink_unicast+0x449/0x710 [ 9404.137008][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.137008][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.137008][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.137008][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.137008][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.137008][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.137008][ T3767] [ 9404.138685][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9404.138685][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9404.138685][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9404.138685][ T3767] ipv6_find_idev+0x102/0x170 [ 9404.138685][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9404.138685][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9404.138685][ T3767] netlink_rcv_skb+0x130/0x360 [ 9404.138685][ T3767] netlink_unicast+0x449/0x710 [ 9404.138685][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9404.138685][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9404.138685][ T3767] ___sys_sendmsg+0xee/0x170 [ 9404.138685][ T3767] __sys_sendmsg+0xcd/0x170 [ 9404.138685][ T3767] do_syscall_64+0xc6/0x1e0 [ 9404.138685][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9404.138685][ T3767] [ 9414.375963][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9414.376425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9414.376425][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9414.376425][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9414.376425][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9414.376425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9414.376425][ T3767] ip6_route_add+0x1c/0x140 [ 9414.376425][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9414.376425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.376425][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.376425][ T3767] netlink_unicast+0x449/0x710 [ 9414.376425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.376425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.376425][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.376425][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.376425][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.376425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.376425][ T3767] [ 9414.378493][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9414.378493][ T3767] netdev_get_by_index+0x5e/0x80 [ 9414.378493][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9414.378493][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9414.378493][ T3767] ip6_route_add+0x1c/0x140 [ 9414.378493][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9414.378493][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9414.378493][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.378493][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.378493][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.378493][ T3767] netlink_unicast+0x449/0x710 [ 9414.378493][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.378493][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.378493][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.378493][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.378493][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.378493][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.378493][ T3767] [ 9414.380675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9414.380675][ T3767] netdev_get_by_index+0x5e/0x80 [ 9414.380675][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9414.380675][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9414.380675][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9414.380675][ T3767] ipv6_add_addr+0x411/0x2000 [ 9414.380675][ T3767] inet6_addr_add+0x30e/0xa40 [ 9414.380675][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.380675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.380675][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.380675][ T3767] netlink_unicast+0x449/0x710 [ 9414.380675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.380675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.380675][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.380675][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.380675][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.380675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.380675][ T3767] [ 9414.382873][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9414.382873][ T3767] netdev_get_by_index+0x5e/0x80 [ 9414.382873][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9414.382873][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9414.382873][ T3767] ip6_route_add+0x1c/0x140 [ 9414.382873][ T3767] addrconf_add_mroute+0x129/0x180 [ 9414.382873][ T3767] addrconf_add_dev+0xe2/0x170 [ 9414.382873][ T3767] inet6_addr_add+0x12f/0xa40 [ 9414.382873][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9414.382873][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.382873][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.382873][ T3767] netlink_unicast+0x449/0x710 [ 9414.382873][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.382873][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.382873][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.382873][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.382873][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.382873][ T3767] [ 9414.385029][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9414.385029][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9414.385029][ T3767] ipv6_find_idev+0x102/0x170 [ 9414.385029][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9414.385029][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.385029][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.385029][ T3767] netlink_unicast+0x449/0x710 [ 9414.385029][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.385029][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.385029][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.385029][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.385029][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.385029][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.385029][ T3767] [ 9414.387179][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9414.387179][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9414.387179][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9414.387179][ T3767] ipv6_find_idev+0x102/0x170 [ 9414.387179][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9414.387179][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9414.387179][ T3767] netlink_rcv_skb+0x130/0x360 [ 9414.387179][ T3767] netlink_unicast+0x449/0x710 [ 9414.387179][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9414.387179][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9414.387179][ T3767] ___sys_sendmsg+0xee/0x170 [ 9414.387179][ T3767] __sys_sendmsg+0xcd/0x170 [ 9414.387179][ T3767] do_syscall_64+0xc6/0x1e0 [ 9414.387179][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9414.387179][ T3767] [ 9424.631939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9424.632342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9424.632342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9424.632342][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9424.632342][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9424.632342][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9424.632342][ T3767] ip6_route_add+0x1c/0x140 [ 9424.632342][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9424.632342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.632342][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.632342][ T3767] netlink_unicast+0x449/0x710 [ 9424.632342][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.632342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.632342][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.632342][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.632342][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.632342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.632342][ T3767] [ 9424.634425][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9424.634425][ T3767] netdev_get_by_index+0x5e/0x80 [ 9424.634425][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9424.634425][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9424.634425][ T3767] ip6_route_add+0x1c/0x140 [ 9424.634425][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9424.634425][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9424.634425][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.634425][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.634425][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.634425][ T3767] netlink_unicast+0x449/0x710 [ 9424.634425][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.634425][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.634425][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.634425][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.634425][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.634425][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.634425][ T3767] [ 9424.636609][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9424.636609][ T3767] netdev_get_by_index+0x5e/0x80 [ 9424.636609][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9424.636609][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9424.636609][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9424.636609][ T3767] ipv6_add_addr+0x411/0x2000 [ 9424.636609][ T3767] inet6_addr_add+0x30e/0xa40 [ 9424.636609][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.636609][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.636609][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.636609][ T3767] netlink_unicast+0x449/0x710 [ 9424.636609][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.636609][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.636609][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.636609][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.636609][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.636609][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.636609][ T3767] [ 9424.638790][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9424.638790][ T3767] netdev_get_by_index+0x5e/0x80 [ 9424.638790][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9424.638790][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9424.638790][ T3767] ip6_route_add+0x1c/0x140 [ 9424.638790][ T3767] addrconf_add_mroute+0x129/0x180 [ 9424.638790][ T3767] addrconf_add_dev+0xe2/0x170 [ 9424.638790][ T3767] inet6_addr_add+0x12f/0xa40 [ 9424.638790][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9424.638790][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.638790][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.638790][ T3767] netlink_unicast+0x449/0x710 [ 9424.638790][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.638790][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.638790][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.638790][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.638790][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.638790][ T3767] [ 9424.640932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9424.640932][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9424.640932][ T3767] ipv6_find_idev+0x102/0x170 [ 9424.640932][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9424.640932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.640932][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.640932][ T3767] netlink_unicast+0x449/0x710 [ 9424.640932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.640932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.640932][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.640932][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.640932][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.640932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.640932][ T3767] [ 9424.642708][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9424.642708][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9424.642708][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9424.642708][ T3767] ipv6_find_idev+0x102/0x170 [ 9424.642708][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9424.642708][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9424.642708][ T3767] netlink_rcv_skb+0x130/0x360 [ 9424.642708][ T3767] netlink_unicast+0x449/0x710 [ 9424.642708][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9424.642708][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9424.642708][ T3767] ___sys_sendmsg+0xee/0x170 [ 9424.642708][ T3767] __sys_sendmsg+0xcd/0x170 [ 9424.642708][ T3767] do_syscall_64+0xc6/0x1e0 [ 9424.642708][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9424.642708][ T3767] [ 9434.879949][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9434.880475][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9434.880475][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9434.880475][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9434.880475][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9434.880475][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9434.880475][ T3767] ip6_route_add+0x1c/0x140 [ 9434.880475][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9434.880475][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.880475][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.880475][ T3767] netlink_unicast+0x449/0x710 [ 9434.880475][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.880475][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.880475][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.880475][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.880475][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.880475][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9434.880475][ T3767] [ 9434.883878][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9434.883878][ T3767] netdev_get_by_index+0x5e/0x80 [ 9434.883878][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9434.883878][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9434.883878][ T3767] ip6_route_add+0x1c/0x140 [ 9434.883878][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9434.883878][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9434.883878][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9434.883878][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.883878][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.883878][ T3767] netlink_unicast+0x449/0x710 [ 9434.883878][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.883878][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.883878][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.883878][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.883878][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.883878][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9434.883878][ T3767] [ 9434.887521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9434.887521][ T3767] netdev_get_by_index+0x5e/0x80 [ 9434.887521][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9434.887521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9434.887521][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9434.887521][ T3767] ipv6_add_addr+0x411/0x2000 [ 9434.887521][ T3767] inet6_addr_add+0x30e/0xa40 [ 9434.887521][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9434.887521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.887521][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.887521][ T3767] netlink_unicast+0x449/0x710 [ 9434.887521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.887521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.887521][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.887521][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.887521][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.887521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9434.887521][ T3767] [ 9434.891144][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9434.891144][ T3767] netdev_get_by_index+0x5e/0x80 [ 9434.891144][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9434.891144][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9434.891144][ T3767] ip6_route_add+0x1c/0x140 [ 9434.891144][ T3767] addrconf_add_mroute+0x129/0x180 [ 9434.891144][ T3767] addrconf_add_dev+0xe2/0x170 [ 9434.891144][ T3767] inet6_addr_add+0x12f/0xa40 [ 9434.891144][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9434.891144][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.891144][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.891144][ T3767] netlink_unicast+0x449/0x710 [ 9434.891144][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.891144][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.891144][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.891144][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.891144][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.891144][ T3767] [ 9434.894715][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9434.894715][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9434.894715][ T3767] ipv6_find_idev+0x102/0x170 [ 9434.894715][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9434.894715][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.894715][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.894715][ T3767] netlink_unicast+0x449/0x710 [ 9434.894715][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.894715][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.894715][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.894715][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.894715][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.894715][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9434.894715][ T3767] [ 9434.897484][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9434.897484][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9434.897484][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9434.897484][ T3767] ipv6_find_idev+0x102/0x170 [ 9434.897484][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9434.897484][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9434.897484][ T3767] netlink_rcv_skb+0x130/0x360 [ 9434.897484][ T3767] netlink_unicast+0x449/0x710 [ 9434.897484][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9434.897484][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9434.897484][ T3767] ___sys_sendmsg+0xee/0x170 [ 9434.897484][ T3767] __sys_sendmsg+0xcd/0x170 [ 9434.897484][ T3767] do_syscall_64+0xc6/0x1e0 [ 9434.897484][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9434.897484][ T3767] [ 9445.135960][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9445.136474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9445.136474][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9445.136474][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9445.136474][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9445.136474][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9445.136474][ T3767] ip6_route_add+0x1c/0x140 [ 9445.136474][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9445.136474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.136474][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.136474][ T3767] netlink_unicast+0x449/0x710 [ 9445.136474][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.136474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.136474][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.136474][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.136474][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.136474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.136474][ T3767] [ 9445.139977][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9445.139977][ T3767] netdev_get_by_index+0x5e/0x80 [ 9445.139977][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9445.139977][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9445.139977][ T3767] ip6_route_add+0x1c/0x140 [ 9445.139977][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9445.139977][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9445.139977][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.139977][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.139977][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.139977][ T3767] netlink_unicast+0x449/0x710 [ 9445.139977][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.139977][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.139977][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.139977][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.139977][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.139977][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.139977][ T3767] [ 9445.143608][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9445.143608][ T3767] netdev_get_by_index+0x5e/0x80 [ 9445.143608][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9445.143608][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9445.143608][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9445.143608][ T3767] ipv6_add_addr+0x411/0x2000 [ 9445.143608][ T3767] inet6_addr_add+0x30e/0xa40 [ 9445.143608][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.143608][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.143608][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.143608][ T3767] netlink_unicast+0x449/0x710 [ 9445.143608][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.143608][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.143608][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.143608][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.143608][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.143608][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.143608][ T3767] [ 9445.147227][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9445.147227][ T3767] netdev_get_by_index+0x5e/0x80 [ 9445.147227][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9445.147227][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9445.147227][ T3767] ip6_route_add+0x1c/0x140 [ 9445.147227][ T3767] addrconf_add_mroute+0x129/0x180 [ 9445.147227][ T3767] addrconf_add_dev+0xe2/0x170 [ 9445.147227][ T3767] inet6_addr_add+0x12f/0xa40 [ 9445.147227][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9445.147227][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.147227][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.147227][ T3767] netlink_unicast+0x449/0x710 [ 9445.147227][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.147227][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.147227][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.147227][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.147227][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.147227][ T3767] [ 9445.150793][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9445.150793][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9445.150793][ T3767] ipv6_find_idev+0x102/0x170 [ 9445.150793][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9445.150793][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.150793][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.150793][ T3767] netlink_unicast+0x449/0x710 [ 9445.150793][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.150793][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.150793][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.150793][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.150793][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.150793][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.150793][ T3767] [ 9445.153589][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9445.153589][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9445.153589][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9445.153589][ T3767] ipv6_find_idev+0x102/0x170 [ 9445.153589][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9445.153589][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9445.153589][ T3767] netlink_rcv_skb+0x130/0x360 [ 9445.153589][ T3767] netlink_unicast+0x449/0x710 [ 9445.153589][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9445.153589][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9445.153589][ T3767] ___sys_sendmsg+0xee/0x170 [ 9445.153589][ T3767] __sys_sendmsg+0xcd/0x170 [ 9445.153589][ T3767] do_syscall_64+0xc6/0x1e0 [ 9445.153589][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9445.153589][ T3767] [ 9455.391931][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9455.392513][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9455.392513][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9455.392513][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9455.392513][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9455.392513][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9455.392513][ T3767] ip6_route_add+0x1c/0x140 [ 9455.392513][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9455.392513][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.392513][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.392513][ T3767] netlink_unicast+0x449/0x710 [ 9455.392513][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.392513][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.392513][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.392513][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.392513][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.392513][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.392513][ T3767] [ 9455.395912][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9455.395912][ T3767] netdev_get_by_index+0x5e/0x80 [ 9455.395912][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9455.395912][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9455.395912][ T3767] ip6_route_add+0x1c/0x140 [ 9455.395912][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9455.395912][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9455.395912][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.395912][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.395912][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.395912][ T3767] netlink_unicast+0x449/0x710 [ 9455.395912][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.395912][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.395912][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.395912][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.395912][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.395912][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.395912][ T3767] [ 9455.399535][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9455.399535][ T3767] netdev_get_by_index+0x5e/0x80 [ 9455.399535][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9455.399535][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9455.399535][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9455.399535][ T3767] ipv6_add_addr+0x411/0x2000 [ 9455.399535][ T3767] inet6_addr_add+0x30e/0xa40 [ 9455.399535][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.399535][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.399535][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.399535][ T3767] netlink_unicast+0x449/0x710 [ 9455.399535][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.399535][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.399535][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.399535][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.399535][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.399535][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.399535][ T3767] [ 9455.403177][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9455.403177][ T3767] netdev_get_by_index+0x5e/0x80 [ 9455.403177][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9455.403177][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9455.403177][ T3767] ip6_route_add+0x1c/0x140 [ 9455.403177][ T3767] addrconf_add_mroute+0x129/0x180 [ 9455.403177][ T3767] addrconf_add_dev+0xe2/0x170 [ 9455.403177][ T3767] inet6_addr_add+0x12f/0xa40 [ 9455.403177][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9455.403177][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.403177][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.403177][ T3767] netlink_unicast+0x449/0x710 [ 9455.403177][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.403177][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.403177][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.403177][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.403177][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.403177][ T3767] [ 9455.406747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9455.406747][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9455.406747][ T3767] ipv6_find_idev+0x102/0x170 [ 9455.406747][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9455.406747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.406747][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.406747][ T3767] netlink_unicast+0x449/0x710 [ 9455.406747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.406747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.406747][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.406747][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.406747][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.406747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.406747][ T3767] [ 9455.409626][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9455.409626][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9455.409626][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9455.409626][ T3767] ipv6_find_idev+0x102/0x170 [ 9455.409626][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9455.409626][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9455.409626][ T3767] netlink_rcv_skb+0x130/0x360 [ 9455.409626][ T3767] netlink_unicast+0x449/0x710 [ 9455.409626][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9455.409626][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9455.409626][ T3767] ___sys_sendmsg+0xee/0x170 [ 9455.409626][ T3767] __sys_sendmsg+0xcd/0x170 [ 9455.409626][ T3767] do_syscall_64+0xc6/0x1e0 [ 9455.409626][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9455.409626][ T3767] [ 9465.647938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9465.648345][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9465.648345][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9465.648345][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9465.648345][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9465.648345][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9465.648345][ T3767] ip6_route_add+0x1c/0x140 [ 9465.648345][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9465.648345][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.648345][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.648345][ T3767] netlink_unicast+0x449/0x710 [ 9465.648345][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.648345][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.648345][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.648345][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.648345][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.648345][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.648345][ T3767] [ 9465.650432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9465.650432][ T3767] netdev_get_by_index+0x5e/0x80 [ 9465.650432][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9465.650432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9465.650432][ T3767] ip6_route_add+0x1c/0x140 [ 9465.650432][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9465.650432][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9465.650432][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.650432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.650432][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.650432][ T3767] netlink_unicast+0x449/0x710 [ 9465.650432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.650432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.650432][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.650432][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.650432][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.650432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.650432][ T3767] [ 9465.652635][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9465.652635][ T3767] netdev_get_by_index+0x5e/0x80 [ 9465.652635][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9465.652635][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9465.652635][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9465.652635][ T3767] ipv6_add_addr+0x411/0x2000 [ 9465.652635][ T3767] inet6_addr_add+0x30e/0xa40 [ 9465.652635][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.652635][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.652635][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.652635][ T3767] netlink_unicast+0x449/0x710 [ 9465.652635][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.652635][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.652635][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.652635][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.652635][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.652635][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.652635][ T3767] [ 9465.654834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9465.654834][ T3767] netdev_get_by_index+0x5e/0x80 [ 9465.654834][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9465.654834][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9465.654834][ T3767] ip6_route_add+0x1c/0x140 [ 9465.654834][ T3767] addrconf_add_mroute+0x129/0x180 [ 9465.654834][ T3767] addrconf_add_dev+0xe2/0x170 [ 9465.654834][ T3767] inet6_addr_add+0x12f/0xa40 [ 9465.654834][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9465.654834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.654834][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.654834][ T3767] netlink_unicast+0x449/0x710 [ 9465.654834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.654834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.654834][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.654834][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.654834][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.654834][ T3767] [ 9465.656979][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9465.656979][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9465.656979][ T3767] ipv6_find_idev+0x102/0x170 [ 9465.656979][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9465.656979][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.656979][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.656979][ T3767] netlink_unicast+0x449/0x710 [ 9465.656979][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.656979][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.656979][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.656979][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.656979][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.656979][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.656979][ T3767] [ 9465.658658][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9465.658658][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9465.658658][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9465.658658][ T3767] ipv6_find_idev+0x102/0x170 [ 9465.658658][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9465.658658][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9465.658658][ T3767] netlink_rcv_skb+0x130/0x360 [ 9465.658658][ T3767] netlink_unicast+0x449/0x710 [ 9465.658658][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9465.658658][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9465.658658][ T3767] ___sys_sendmsg+0xee/0x170 [ 9465.658658][ T3767] __sys_sendmsg+0xcd/0x170 [ 9465.658658][ T3767] do_syscall_64+0xc6/0x1e0 [ 9465.658658][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9465.658658][ T3767] [ 9475.807947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9475.808409][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9475.808409][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9475.808409][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9475.808409][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9475.808409][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9475.808409][ T3767] ip6_route_add+0x1c/0x140 [ 9475.808409][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9475.808409][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.808409][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.808409][ T3767] netlink_unicast+0x449/0x710 [ 9475.808409][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.808409][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.808409][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.808409][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.808409][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.808409][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9475.808409][ T3767] [ 9475.810485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9475.810485][ T3767] netdev_get_by_index+0x5e/0x80 [ 9475.810485][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9475.810485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9475.810485][ T3767] ip6_route_add+0x1c/0x140 [ 9475.810485][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9475.810485][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9475.810485][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9475.810485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.810485][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.810485][ T3767] netlink_unicast+0x449/0x710 [ 9475.810485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.810485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.810485][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.810485][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.810485][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.810485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9475.810485][ T3767] [ 9475.812686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9475.812686][ T3767] netdev_get_by_index+0x5e/0x80 [ 9475.812686][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9475.812686][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9475.812686][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9475.812686][ T3767] ipv6_add_addr+0x411/0x2000 [ 9475.812686][ T3767] inet6_addr_add+0x30e/0xa40 [ 9475.812686][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9475.812686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.812686][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.812686][ T3767] netlink_unicast+0x449/0x710 [ 9475.812686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.812686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.812686][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.812686][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.812686][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.812686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9475.812686][ T3767] [ 9475.814861][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9475.814861][ T3767] netdev_get_by_index+0x5e/0x80 [ 9475.814861][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9475.814861][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9475.814861][ T3767] ip6_route_add+0x1c/0x140 [ 9475.814861][ T3767] addrconf_add_mroute+0x129/0x180 [ 9475.814861][ T3767] addrconf_add_dev+0xe2/0x170 [ 9475.814861][ T3767] inet6_addr_add+0x12f/0xa40 [ 9475.814861][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9475.814861][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.814861][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.814861][ T3767] netlink_unicast+0x449/0x710 [ 9475.814861][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.814861][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.814861][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.814861][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.814861][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.814861][ T3767] [ 9475.817009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9475.817009][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9475.817009][ T3767] ipv6_find_idev+0x102/0x170 [ 9475.817009][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9475.817009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.817009][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.817009][ T3767] netlink_unicast+0x449/0x710 [ 9475.817009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.817009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.817009][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.817009][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.817009][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.817009][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9475.817009][ T3767] [ 9475.818686][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9475.818686][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9475.818686][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9475.818686][ T3767] ipv6_find_idev+0x102/0x170 [ 9475.818686][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9475.818686][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9475.818686][ T3767] netlink_rcv_skb+0x130/0x360 [ 9475.818686][ T3767] netlink_unicast+0x449/0x710 [ 9475.818686][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9475.818686][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9475.818686][ T3767] ___sys_sendmsg+0xee/0x170 [ 9475.818686][ T3767] __sys_sendmsg+0xcd/0x170 [ 9475.818686][ T3767] do_syscall_64+0xc6/0x1e0 [ 9475.818686][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9475.818686][ T3767] [ 9486.055941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9486.056422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9486.056422][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9486.056422][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9486.056422][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9486.056422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9486.056422][ T3767] ip6_route_add+0x1c/0x140 [ 9486.056422][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9486.056422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.056422][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.056422][ T3767] netlink_unicast+0x449/0x710 [ 9486.056422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.056422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.056422][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.056422][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.056422][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.056422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.056422][ T3767] [ 9486.058984][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9486.058984][ T3767] netdev_get_by_index+0x5e/0x80 [ 9486.058984][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9486.058984][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9486.058984][ T3767] ip6_route_add+0x1c/0x140 [ 9486.058984][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9486.058984][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9486.058984][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.058984][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.058984][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.058984][ T3767] netlink_unicast+0x449/0x710 [ 9486.058984][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.058984][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.058984][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.058984][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.058984][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.058984][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.058984][ T3767] [ 9486.061670][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9486.061670][ T3767] netdev_get_by_index+0x5e/0x80 [ 9486.061670][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9486.061670][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9486.061670][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9486.061670][ T3767] ipv6_add_addr+0x411/0x2000 [ 9486.061670][ T3767] inet6_addr_add+0x30e/0xa40 [ 9486.061670][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.061670][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.061670][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.061670][ T3767] netlink_unicast+0x449/0x710 [ 9486.061670][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.061670][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.061670][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.061670][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.061670][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.061670][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.061670][ T3767] [ 9486.064359][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9486.064359][ T3767] netdev_get_by_index+0x5e/0x80 [ 9486.064359][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9486.064359][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9486.064359][ T3767] ip6_route_add+0x1c/0x140 [ 9486.064359][ T3767] addrconf_add_mroute+0x129/0x180 [ 9486.064359][ T3767] addrconf_add_dev+0xe2/0x170 [ 9486.064359][ T3767] inet6_addr_add+0x12f/0xa40 [ 9486.064359][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9486.064359][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.064359][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.064359][ T3767] netlink_unicast+0x449/0x710 [ 9486.064359][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.064359][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.064359][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.064359][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.064359][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.064359][ T3767] [ 9486.067013][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9486.067013][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9486.067013][ T3767] ipv6_find_idev+0x102/0x170 [ 9486.067013][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9486.067013][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.067013][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.067013][ T3767] netlink_unicast+0x449/0x710 [ 9486.067013][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.067013][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.067013][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.067013][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.067013][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.067013][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.067013][ T3767] [ 9486.069076][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9486.069076][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9486.069076][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9486.069076][ T3767] ipv6_find_idev+0x102/0x170 [ 9486.069076][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9486.069076][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9486.069076][ T3767] netlink_rcv_skb+0x130/0x360 [ 9486.069076][ T3767] netlink_unicast+0x449/0x710 [ 9486.069076][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9486.069076][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9486.069076][ T3767] ___sys_sendmsg+0xee/0x170 [ 9486.069076][ T3767] __sys_sendmsg+0xcd/0x170 [ 9486.069076][ T3767] do_syscall_64+0xc6/0x1e0 [ 9486.069076][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9486.069076][ T3767] [ 9496.311947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9496.312453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9496.312453][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9496.312453][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9496.312453][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9496.312453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9496.312453][ T3767] ip6_route_add+0x1c/0x140 [ 9496.312453][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9496.312453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.312453][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.312453][ T3767] netlink_unicast+0x449/0x710 [ 9496.312453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.312453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.312453][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.312453][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.312453][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.312453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.312453][ T3767] [ 9496.315847][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9496.315847][ T3767] netdev_get_by_index+0x5e/0x80 [ 9496.315847][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9496.315847][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9496.315847][ T3767] ip6_route_add+0x1c/0x140 [ 9496.315847][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9496.315847][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9496.315847][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.315847][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.315847][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.315847][ T3767] netlink_unicast+0x449/0x710 [ 9496.315847][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.315847][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.315847][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.315847][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.315847][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.315847][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.315847][ T3767] [ 9496.319462][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9496.319462][ T3767] netdev_get_by_index+0x5e/0x80 [ 9496.319462][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9496.319462][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9496.319462][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9496.319462][ T3767] ipv6_add_addr+0x411/0x2000 [ 9496.319462][ T3767] inet6_addr_add+0x30e/0xa40 [ 9496.319462][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.319462][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.319462][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.319462][ T3767] netlink_unicast+0x449/0x710 [ 9496.319462][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.319462][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.319462][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.319462][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.319462][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.319462][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.319462][ T3767] [ 9496.323085][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9496.323085][ T3767] netdev_get_by_index+0x5e/0x80 [ 9496.323085][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9496.323085][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9496.323085][ T3767] ip6_route_add+0x1c/0x140 [ 9496.323085][ T3767] addrconf_add_mroute+0x129/0x180 [ 9496.323085][ T3767] addrconf_add_dev+0xe2/0x170 [ 9496.323085][ T3767] inet6_addr_add+0x12f/0xa40 [ 9496.323085][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9496.323085][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.323085][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.323085][ T3767] netlink_unicast+0x449/0x710 [ 9496.323085][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.323085][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.323085][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.323085][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.323085][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.323085][ T3767] [ 9496.326643][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9496.326643][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9496.326643][ T3767] ipv6_find_idev+0x102/0x170 [ 9496.326643][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9496.326643][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.326643][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.326643][ T3767] netlink_unicast+0x449/0x710 [ 9496.326643][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.326643][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.326643][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.326643][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.326643][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.326643][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.326643][ T3767] [ 9496.329429][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9496.329429][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9496.329429][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9496.329429][ T3767] ipv6_find_idev+0x102/0x170 [ 9496.329429][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9496.329429][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9496.329429][ T3767] netlink_rcv_skb+0x130/0x360 [ 9496.329429][ T3767] netlink_unicast+0x449/0x710 [ 9496.329429][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9496.329429][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9496.329429][ T3767] ___sys_sendmsg+0xee/0x170 [ 9496.329429][ T3767] __sys_sendmsg+0xcd/0x170 [ 9496.329429][ T3767] do_syscall_64+0xc6/0x1e0 [ 9496.329429][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9496.329429][ T3767] [ 9506.567945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9506.568492][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9506.568492][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9506.568492][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9506.568492][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9506.568492][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9506.568492][ T3767] ip6_route_add+0x1c/0x140 [ 9506.568492][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9506.568492][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.568492][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.568492][ T3767] netlink_unicast+0x449/0x710 [ 9506.568492][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.568492][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.568492][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.568492][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.568492][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.568492][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.568492][ T3767] [ 9506.571898][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9506.571898][ T3767] netdev_get_by_index+0x5e/0x80 [ 9506.571898][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9506.571898][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9506.571898][ T3767] ip6_route_add+0x1c/0x140 [ 9506.571898][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9506.571898][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9506.571898][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.571898][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.571898][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.571898][ T3767] netlink_unicast+0x449/0x710 [ 9506.571898][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.571898][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.571898][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.571898][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.571898][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.571898][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.571898][ T3767] [ 9506.575530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9506.575530][ T3767] netdev_get_by_index+0x5e/0x80 [ 9506.575530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9506.575530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9506.575530][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9506.575530][ T3767] ipv6_add_addr+0x411/0x2000 [ 9506.575530][ T3767] inet6_addr_add+0x30e/0xa40 [ 9506.575530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.575530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.575530][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.575530][ T3767] netlink_unicast+0x449/0x710 [ 9506.575530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.575530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.575530][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.575530][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.575530][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.575530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.575530][ T3767] [ 9506.579178][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9506.579178][ T3767] netdev_get_by_index+0x5e/0x80 [ 9506.579178][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9506.579178][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9506.579178][ T3767] ip6_route_add+0x1c/0x140 [ 9506.579178][ T3767] addrconf_add_mroute+0x129/0x180 [ 9506.579178][ T3767] addrconf_add_dev+0xe2/0x170 [ 9506.579178][ T3767] inet6_addr_add+0x12f/0xa40 [ 9506.579178][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9506.579178][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.579178][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.579178][ T3767] netlink_unicast+0x449/0x710 [ 9506.579178][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.579178][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.579178][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.579178][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.579178][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.579178][ T3767] [ 9506.582747][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9506.582747][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9506.582747][ T3767] ipv6_find_idev+0x102/0x170 [ 9506.582747][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9506.582747][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.582747][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.582747][ T3767] netlink_unicast+0x449/0x710 [ 9506.582747][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.582747][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.582747][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.582747][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.582747][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.582747][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.582747][ T3767] [ 9506.585542][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9506.585542][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9506.585542][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9506.585542][ T3767] ipv6_find_idev+0x102/0x170 [ 9506.585542][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9506.585542][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9506.585542][ T3767] netlink_rcv_skb+0x130/0x360 [ 9506.585542][ T3767] netlink_unicast+0x449/0x710 [ 9506.585542][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9506.585542][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9506.585542][ T3767] ___sys_sendmsg+0xee/0x170 [ 9506.585542][ T3767] __sys_sendmsg+0xcd/0x170 [ 9506.585542][ T3767] do_syscall_64+0xc6/0x1e0 [ 9506.585542][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9506.585542][ T3767] [ 9516.823940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9516.824404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9516.824404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9516.824404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9516.824404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9516.824404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9516.824404][ T3767] ip6_route_add+0x1c/0x140 [ 9516.824404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9516.824404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.824404][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.824404][ T3767] netlink_unicast+0x449/0x710 [ 9516.824404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.824404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.824404][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.824404][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.824404][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.824404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9516.824404][ T3767] [ 9516.826479][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9516.826479][ T3767] netdev_get_by_index+0x5e/0x80 [ 9516.826479][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9516.826479][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9516.826479][ T3767] ip6_route_add+0x1c/0x140 [ 9516.826479][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9516.826479][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9516.826479][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9516.826479][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.826479][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.826479][ T3767] netlink_unicast+0x449/0x710 [ 9516.826479][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.826479][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.826479][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.826479][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.826479][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.826479][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9516.826479][ T3767] [ 9516.828664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9516.828664][ T3767] netdev_get_by_index+0x5e/0x80 [ 9516.828664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9516.828664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9516.828664][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9516.828664][ T3767] ipv6_add_addr+0x411/0x2000 [ 9516.828664][ T3767] inet6_addr_add+0x30e/0xa40 [ 9516.828664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9516.828664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.828664][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.828664][ T3767] netlink_unicast+0x449/0x710 [ 9516.828664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.828664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.828664][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.828664][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.828664][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.828664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9516.828664][ T3767] [ 9516.830843][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9516.830843][ T3767] netdev_get_by_index+0x5e/0x80 [ 9516.830843][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9516.830843][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9516.830843][ T3767] ip6_route_add+0x1c/0x140 [ 9516.830843][ T3767] addrconf_add_mroute+0x129/0x180 [ 9516.830843][ T3767] addrconf_add_dev+0xe2/0x170 [ 9516.830843][ T3767] inet6_addr_add+0x12f/0xa40 [ 9516.830843][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9516.830843][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.830843][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.830843][ T3767] netlink_unicast+0x449/0x710 [ 9516.830843][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.830843][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.830843][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.830843][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.830843][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.830843][ T3767] [ 9516.833006][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9516.833006][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9516.833006][ T3767] ipv6_find_idev+0x102/0x170 [ 9516.833006][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9516.833006][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.833006][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.833006][ T3767] netlink_unicast+0x449/0x710 [ 9516.833006][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.833006][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.833006][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.833006][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.833006][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.833006][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9516.833006][ T3767] [ 9516.835192][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9516.835192][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9516.835192][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9516.835192][ T3767] ipv6_find_idev+0x102/0x170 [ 9516.835192][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9516.835192][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9516.835192][ T3767] netlink_rcv_skb+0x130/0x360 [ 9516.835192][ T3767] netlink_unicast+0x449/0x710 [ 9516.835192][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9516.835192][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9516.835192][ T3767] ___sys_sendmsg+0xee/0x170 [ 9516.835192][ T3767] __sys_sendmsg+0xcd/0x170 [ 9516.835192][ T3767] do_syscall_64+0xc6/0x1e0 [ 9516.835192][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9516.835192][ T3767] [ 9527.079975][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9527.080445][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9527.080445][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9527.080445][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9527.080445][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9527.080445][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9527.080445][ T3767] ip6_route_add+0x1c/0x140 [ 9527.080445][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9527.080445][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.080445][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.080445][ T3767] netlink_unicast+0x449/0x710 [ 9527.080445][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.080445][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.080445][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.080445][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.080445][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.080445][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.080445][ T3767] [ 9527.082528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9527.082528][ T3767] netdev_get_by_index+0x5e/0x80 [ 9527.082528][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9527.082528][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9527.082528][ T3767] ip6_route_add+0x1c/0x140 [ 9527.082528][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9527.082528][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9527.082528][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.082528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.082528][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.082528][ T3767] netlink_unicast+0x449/0x710 [ 9527.082528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.082528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.082528][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.082528][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.082528][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.082528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.082528][ T3767] [ 9527.084711][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9527.084711][ T3767] netdev_get_by_index+0x5e/0x80 [ 9527.084711][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9527.084711][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9527.084711][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9527.084711][ T3767] ipv6_add_addr+0x411/0x2000 [ 9527.084711][ T3767] inet6_addr_add+0x30e/0xa40 [ 9527.084711][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.084711][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.084711][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.084711][ T3767] netlink_unicast+0x449/0x710 [ 9527.084711][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.084711][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.084711][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.084711][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.084711][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.084711][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.084711][ T3767] [ 9527.086893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9527.086893][ T3767] netdev_get_by_index+0x5e/0x80 [ 9527.086893][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9527.086893][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9527.086893][ T3767] ip6_route_add+0x1c/0x140 [ 9527.086893][ T3767] addrconf_add_mroute+0x129/0x180 [ 9527.086893][ T3767] addrconf_add_dev+0xe2/0x170 [ 9527.086893][ T3767] inet6_addr_add+0x12f/0xa40 [ 9527.086893][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9527.086893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.086893][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.086893][ T3767] netlink_unicast+0x449/0x710 [ 9527.086893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.086893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.086893][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.086893][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.086893][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.086893][ T3767] [ 9527.090568][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9527.090568][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9527.090568][ T3767] ipv6_find_idev+0x102/0x170 [ 9527.090568][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9527.090568][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.090568][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.090568][ T3767] netlink_unicast+0x449/0x710 [ 9527.090568][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.090568][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.090568][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.090568][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.090568][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.090568][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.090568][ T3767] [ 9527.092274][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9527.092274][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9527.092274][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9527.092274][ T3767] ipv6_find_idev+0x102/0x170 [ 9527.092274][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9527.092274][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9527.092274][ T3767] netlink_rcv_skb+0x130/0x360 [ 9527.092274][ T3767] netlink_unicast+0x449/0x710 [ 9527.092274][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9527.092274][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9527.092274][ T3767] ___sys_sendmsg+0xee/0x170 [ 9527.092274][ T3767] __sys_sendmsg+0xcd/0x170 [ 9527.092274][ T3767] do_syscall_64+0xc6/0x1e0 [ 9527.092274][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9527.092274][ T3767] [ 9537.335991][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9537.336395][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9537.336395][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9537.336395][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9537.336395][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9537.336395][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9537.336395][ T3767] ip6_route_add+0x1c/0x140 [ 9537.336395][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9537.336395][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.336395][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.336395][ T3767] netlink_unicast+0x449/0x710 [ 9537.336395][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.336395][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.336395][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.336395][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.336395][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.336395][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.336395][ T3767] [ 9537.338855][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9537.338855][ T3767] netdev_get_by_index+0x5e/0x80 [ 9537.338855][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9537.338855][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9537.338855][ T3767] ip6_route_add+0x1c/0x140 [ 9537.338855][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9537.338855][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9537.338855][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.338855][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.338855][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.338855][ T3767] netlink_unicast+0x449/0x710 [ 9537.338855][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.338855][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.338855][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.338855][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.338855][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.338855][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.338855][ T3767] [ 9537.341544][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9537.341544][ T3767] netdev_get_by_index+0x5e/0x80 [ 9537.341544][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9537.341544][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9537.341544][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9537.341544][ T3767] ipv6_add_addr+0x411/0x2000 [ 9537.341544][ T3767] inet6_addr_add+0x30e/0xa40 [ 9537.341544][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.341544][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.341544][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.341544][ T3767] netlink_unicast+0x449/0x710 [ 9537.341544][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.341544][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.341544][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.341544][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.341544][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.341544][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.341544][ T3767] [ 9537.344249][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9537.344249][ T3767] netdev_get_by_index+0x5e/0x80 [ 9537.344249][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9537.344249][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9537.344249][ T3767] ip6_route_add+0x1c/0x140 [ 9537.344249][ T3767] addrconf_add_mroute+0x129/0x180 [ 9537.344249][ T3767] addrconf_add_dev+0xe2/0x170 [ 9537.344249][ T3767] inet6_addr_add+0x12f/0xa40 [ 9537.344249][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9537.344249][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.344249][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.344249][ T3767] netlink_unicast+0x449/0x710 [ 9537.344249][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.344249][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.344249][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.344249][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.344249][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.344249][ T3767] [ 9537.346893][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9537.346893][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9537.346893][ T3767] ipv6_find_idev+0x102/0x170 [ 9537.346893][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9537.346893][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.346893][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.346893][ T3767] netlink_unicast+0x449/0x710 [ 9537.346893][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.346893][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.346893][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.346893][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.346893][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.346893][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.346893][ T3767] [ 9537.348961][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9537.348961][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9537.348961][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9537.348961][ T3767] ipv6_find_idev+0x102/0x170 [ 9537.348961][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9537.348961][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9537.348961][ T3767] netlink_rcv_skb+0x130/0x360 [ 9537.348961][ T3767] netlink_unicast+0x449/0x710 [ 9537.348961][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9537.348961][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9537.348961][ T3767] ___sys_sendmsg+0xee/0x170 [ 9537.348961][ T3767] __sys_sendmsg+0xcd/0x170 [ 9537.348961][ T3767] do_syscall_64+0xc6/0x1e0 [ 9537.348961][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9537.348961][ T3767] [ 9547.591948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9547.592432][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9547.592432][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9547.592432][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9547.592432][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9547.592432][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9547.592432][ T3767] ip6_route_add+0x1c/0x140 [ 9547.592432][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9547.592432][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.592432][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.592432][ T3767] netlink_unicast+0x449/0x710 [ 9547.592432][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.592432][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.592432][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.592432][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.592432][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.592432][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.592432][ T3767] [ 9547.594970][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9547.594970][ T3767] netdev_get_by_index+0x5e/0x80 [ 9547.594970][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9547.594970][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9547.594970][ T3767] ip6_route_add+0x1c/0x140 [ 9547.594970][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9547.594970][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9547.594970][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.594970][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.594970][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.594970][ T3767] netlink_unicast+0x449/0x710 [ 9547.594970][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.594970][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.594970][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.594970][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.594970][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.594970][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.594970][ T3767] [ 9547.597702][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9547.597702][ T3767] netdev_get_by_index+0x5e/0x80 [ 9547.597702][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9547.597702][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9547.597702][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9547.597702][ T3767] ipv6_add_addr+0x411/0x2000 [ 9547.597702][ T3767] inet6_addr_add+0x30e/0xa40 [ 9547.597702][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.597702][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.597702][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.597702][ T3767] netlink_unicast+0x449/0x710 [ 9547.597702][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.597702][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.597702][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.597702][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.597702][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.597702][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.597702][ T3767] [ 9547.600408][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9547.600408][ T3767] netdev_get_by_index+0x5e/0x80 [ 9547.600408][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9547.600408][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9547.600408][ T3767] ip6_route_add+0x1c/0x140 [ 9547.600408][ T3767] addrconf_add_mroute+0x129/0x180 [ 9547.600408][ T3767] addrconf_add_dev+0xe2/0x170 [ 9547.600408][ T3767] inet6_addr_add+0x12f/0xa40 [ 9547.600408][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9547.600408][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.600408][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.600408][ T3767] netlink_unicast+0x449/0x710 [ 9547.600408][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.600408][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.600408][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.600408][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.600408][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.600408][ T3767] [ 9547.603070][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9547.603070][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9547.603070][ T3767] ipv6_find_idev+0x102/0x170 [ 9547.603070][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9547.603070][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.603070][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.603070][ T3767] netlink_unicast+0x449/0x710 [ 9547.603070][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.603070][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.603070][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.603070][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.603070][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.603070][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.603070][ T3767] [ 9547.605139][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9547.605139][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9547.605139][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9547.605139][ T3767] ipv6_find_idev+0x102/0x170 [ 9547.605139][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9547.605139][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9547.605139][ T3767] netlink_rcv_skb+0x130/0x360 [ 9547.605139][ T3767] netlink_unicast+0x449/0x710 [ 9547.605139][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9547.605139][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9547.605139][ T3767] ___sys_sendmsg+0xee/0x170 [ 9547.605139][ T3767] __sys_sendmsg+0xcd/0x170 [ 9547.605139][ T3767] do_syscall_64+0xc6/0x1e0 [ 9547.605139][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9547.605139][ T3767] [ 9557.663947][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9557.664450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9557.664450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9557.664450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9557.664450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9557.664450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9557.664450][ T3767] ip6_route_add+0x1c/0x140 [ 9557.664450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9557.664450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.664450][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.664450][ T3767] netlink_unicast+0x449/0x710 [ 9557.664450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.664450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.664450][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.664450][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.664450][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.664450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9557.664450][ T3767] [ 9557.667013][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9557.667013][ T3767] netdev_get_by_index+0x5e/0x80 [ 9557.667013][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9557.667013][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9557.667013][ T3767] ip6_route_add+0x1c/0x140 [ 9557.667013][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9557.667013][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9557.667013][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9557.667013][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.667013][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.667013][ T3767] netlink_unicast+0x449/0x710 [ 9557.667013][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.667013][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.667013][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.667013][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.667013][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.667013][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9557.667013][ T3767] [ 9557.669728][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9557.669728][ T3767] netdev_get_by_index+0x5e/0x80 [ 9557.669728][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9557.669728][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9557.669728][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9557.669728][ T3767] ipv6_add_addr+0x411/0x2000 [ 9557.669728][ T3767] inet6_addr_add+0x30e/0xa40 [ 9557.669728][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9557.669728][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.669728][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.669728][ T3767] netlink_unicast+0x449/0x710 [ 9557.669728][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.669728][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.669728][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.669728][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.669728][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.669728][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9557.669728][ T3767] [ 9557.672449][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9557.672449][ T3767] netdev_get_by_index+0x5e/0x80 [ 9557.672449][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9557.672449][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9557.672449][ T3767] ip6_route_add+0x1c/0x140 [ 9557.672449][ T3767] addrconf_add_mroute+0x129/0x180 [ 9557.672449][ T3767] addrconf_add_dev+0xe2/0x170 [ 9557.672449][ T3767] inet6_addr_add+0x12f/0xa40 [ 9557.672449][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9557.672449][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.672449][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.672449][ T3767] netlink_unicast+0x449/0x710 [ 9557.672449][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.672449][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.672449][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.672449][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.672449][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.672449][ T3767] [ 9557.675116][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9557.675116][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9557.675116][ T3767] ipv6_find_idev+0x102/0x170 [ 9557.675116][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9557.675116][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.675116][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.675116][ T3767] netlink_unicast+0x449/0x710 [ 9557.675116][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.675116][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.675116][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.675116][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.675116][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.675116][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9557.675116][ T3767] [ 9557.677196][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9557.677196][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9557.677196][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9557.677196][ T3767] ipv6_find_idev+0x102/0x170 [ 9557.677196][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9557.677196][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9557.677196][ T3767] netlink_rcv_skb+0x130/0x360 [ 9557.677196][ T3767] netlink_unicast+0x449/0x710 [ 9557.677196][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9557.677196][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9557.677196][ T3767] ___sys_sendmsg+0xee/0x170 [ 9557.677196][ T3767] __sys_sendmsg+0xcd/0x170 [ 9557.677196][ T3767] do_syscall_64+0xc6/0x1e0 [ 9557.677196][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9557.677196][ T3767] [ 9567.919937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9567.920418][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9567.920418][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9567.920418][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9567.920418][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9567.920418][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9567.920418][ T3767] ip6_route_add+0x1c/0x140 [ 9567.920418][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9567.920418][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.920418][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.920418][ T3767] netlink_unicast+0x449/0x710 [ 9567.920418][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.920418][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.920418][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.920418][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.920418][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.920418][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9567.920418][ T3767] [ 9567.922976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9567.922976][ T3767] netdev_get_by_index+0x5e/0x80 [ 9567.922976][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9567.922976][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9567.922976][ T3767] ip6_route_add+0x1c/0x140 [ 9567.922976][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9567.922976][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9567.922976][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9567.922976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.922976][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.922976][ T3767] netlink_unicast+0x449/0x710 [ 9567.922976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.922976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.922976][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.922976][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.922976][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.922976][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9567.922976][ T3767] [ 9567.925667][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9567.925667][ T3767] netdev_get_by_index+0x5e/0x80 [ 9567.925667][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9567.925667][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9567.925667][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9567.925667][ T3767] ipv6_add_addr+0x411/0x2000 [ 9567.925667][ T3767] inet6_addr_add+0x30e/0xa40 [ 9567.925667][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9567.925667][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.925667][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.925667][ T3767] netlink_unicast+0x449/0x710 [ 9567.925667][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.925667][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.925667][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.925667][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.925667][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.925667][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9567.925667][ T3767] [ 9567.928368][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9567.928368][ T3767] netdev_get_by_index+0x5e/0x80 [ 9567.928368][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9567.928368][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9567.928368][ T3767] ip6_route_add+0x1c/0x140 [ 9567.928368][ T3767] addrconf_add_mroute+0x129/0x180 [ 9567.928368][ T3767] addrconf_add_dev+0xe2/0x170 [ 9567.928368][ T3767] inet6_addr_add+0x12f/0xa40 [ 9567.928368][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9567.928368][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.928368][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.928368][ T3767] netlink_unicast+0x449/0x710 [ 9567.928368][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.928368][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.928368][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.928368][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.928368][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.928368][ T3767] [ 9567.931009][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9567.931009][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9567.931009][ T3767] ipv6_find_idev+0x102/0x170 [ 9567.931009][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9567.931009][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.931009][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.931009][ T3767] netlink_unicast+0x449/0x710 [ 9567.931009][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.931009][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.931009][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.931009][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.931009][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.931009][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9567.931009][ T3767] [ 9567.933088][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9567.933088][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9567.933088][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9567.933088][ T3767] ipv6_find_idev+0x102/0x170 [ 9567.933088][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9567.933088][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9567.933088][ T3767] netlink_rcv_skb+0x130/0x360 [ 9567.933088][ T3767] netlink_unicast+0x449/0x710 [ 9567.933088][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9567.933088][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9567.933088][ T3767] ___sys_sendmsg+0xee/0x170 [ 9567.933088][ T3767] __sys_sendmsg+0xcd/0x170 [ 9567.933088][ T3767] do_syscall_64+0xc6/0x1e0 [ 9567.933088][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9567.933088][ T3767] [ 9578.175939][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9578.176419][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9578.176419][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9578.176419][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9578.176419][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9578.176419][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9578.176419][ T3767] ip6_route_add+0x1c/0x140 [ 9578.176419][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9578.176419][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.176419][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.176419][ T3767] netlink_unicast+0x449/0x710 [ 9578.176419][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.176419][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.176419][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.176419][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.176419][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.176419][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.176419][ T3767] [ 9578.178970][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9578.178970][ T3767] netdev_get_by_index+0x5e/0x80 [ 9578.178970][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9578.178970][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9578.178970][ T3767] ip6_route_add+0x1c/0x140 [ 9578.178970][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9578.178970][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9578.178970][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.178970][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.178970][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.178970][ T3767] netlink_unicast+0x449/0x710 [ 9578.178970][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.178970][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.178970][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.178970][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.178970][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.178970][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.178970][ T3767] [ 9578.181669][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9578.181669][ T3767] netdev_get_by_index+0x5e/0x80 [ 9578.181669][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9578.181669][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9578.181669][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9578.181669][ T3767] ipv6_add_addr+0x411/0x2000 [ 9578.181669][ T3767] inet6_addr_add+0x30e/0xa40 [ 9578.181669][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.181669][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.181669][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.181669][ T3767] netlink_unicast+0x449/0x710 [ 9578.181669][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.181669][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.181669][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.181669][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.181669][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.181669][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.181669][ T3767] [ 9578.184373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9578.184373][ T3767] netdev_get_by_index+0x5e/0x80 [ 9578.184373][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9578.184373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9578.184373][ T3767] ip6_route_add+0x1c/0x140 [ 9578.184373][ T3767] addrconf_add_mroute+0x129/0x180 [ 9578.184373][ T3767] addrconf_add_dev+0xe2/0x170 [ 9578.184373][ T3767] inet6_addr_add+0x12f/0xa40 [ 9578.184373][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9578.184373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.184373][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.184373][ T3767] netlink_unicast+0x449/0x710 [ 9578.184373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.184373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.184373][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.184373][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.184373][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.184373][ T3767] [ 9578.187023][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9578.187023][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9578.187023][ T3767] ipv6_find_idev+0x102/0x170 [ 9578.187023][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9578.187023][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.187023][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.187023][ T3767] netlink_unicast+0x449/0x710 [ 9578.187023][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.187023][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.187023][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.187023][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.187023][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.187023][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.187023][ T3767] [ 9578.189090][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9578.189090][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9578.189090][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9578.189090][ T3767] ipv6_find_idev+0x102/0x170 [ 9578.189090][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9578.189090][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9578.189090][ T3767] netlink_rcv_skb+0x130/0x360 [ 9578.189090][ T3767] netlink_unicast+0x449/0x710 [ 9578.189090][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9578.189090][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9578.189090][ T3767] ___sys_sendmsg+0xee/0x170 [ 9578.189090][ T3767] __sys_sendmsg+0xcd/0x170 [ 9578.189090][ T3767] do_syscall_64+0xc6/0x1e0 [ 9578.189090][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9578.189090][ T3767] [ 9588.431886][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9588.432332][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9588.432332][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9588.432332][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9588.432332][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9588.432332][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9588.432332][ T3767] ip6_route_add+0x1c/0x140 [ 9588.432332][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9588.432332][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.432332][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.432332][ T3767] netlink_unicast+0x449/0x710 [ 9588.432332][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.432332][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.432332][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.432332][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.432332][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.432332][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.432332][ T3767] [ 9588.434401][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9588.434401][ T3767] netdev_get_by_index+0x5e/0x80 [ 9588.434401][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9588.434401][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9588.434401][ T3767] ip6_route_add+0x1c/0x140 [ 9588.434401][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9588.434401][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9588.434401][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.434401][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.434401][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.434401][ T3767] netlink_unicast+0x449/0x710 [ 9588.434401][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.434401][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.434401][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.434401][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.434401][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.434401][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.434401][ T3767] [ 9588.436584][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9588.436584][ T3767] netdev_get_by_index+0x5e/0x80 [ 9588.436584][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9588.436584][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9588.436584][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9588.436584][ T3767] ipv6_add_addr+0x411/0x2000 [ 9588.436584][ T3767] inet6_addr_add+0x30e/0xa40 [ 9588.436584][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.436584][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.436584][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.436584][ T3767] netlink_unicast+0x449/0x710 [ 9588.436584][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.436584][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.436584][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.436584][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.436584][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.436584][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.436584][ T3767] [ 9588.439272][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9588.439272][ T3767] netdev_get_by_index+0x5e/0x80 [ 9588.439272][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9588.439272][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9588.439272][ T3767] ip6_route_add+0x1c/0x140 [ 9588.439272][ T3767] addrconf_add_mroute+0x129/0x180 [ 9588.439272][ T3767] addrconf_add_dev+0xe2/0x170 [ 9588.439272][ T3767] inet6_addr_add+0x12f/0xa40 [ 9588.439272][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9588.439272][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.439272][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.439272][ T3767] netlink_unicast+0x449/0x710 [ 9588.439272][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.439272][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.439272][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.439272][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.439272][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.439272][ T3767] [ 9588.441421][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9588.441421][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9588.441421][ T3767] ipv6_find_idev+0x102/0x170 [ 9588.441421][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9588.441421][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.441421][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.441421][ T3767] netlink_unicast+0x449/0x710 [ 9588.441421][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.441421][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.441421][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.441421][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.441421][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.441421][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.441421][ T3767] [ 9588.443115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9588.443115][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9588.443115][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9588.443115][ T3767] ipv6_find_idev+0x102/0x170 [ 9588.443115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9588.443115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9588.443115][ T3767] netlink_rcv_skb+0x130/0x360 [ 9588.443115][ T3767] netlink_unicast+0x449/0x710 [ 9588.443115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9588.443115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9588.443115][ T3767] ___sys_sendmsg+0xee/0x170 [ 9588.443115][ T3767] __sys_sendmsg+0xcd/0x170 [ 9588.443115][ T3767] do_syscall_64+0xc6/0x1e0 [ 9588.443115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9588.443115][ T3767] [ 9598.527942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9598.528422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9598.528422][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9598.528422][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9598.528422][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9598.528422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9598.528422][ T3767] ip6_route_add+0x1c/0x140 [ 9598.528422][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9598.528422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.528422][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.528422][ T3767] netlink_unicast+0x449/0x710 [ 9598.528422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.528422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.528422][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.528422][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.528422][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.528422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.528422][ T3767] [ 9598.530516][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9598.530516][ T3767] netdev_get_by_index+0x5e/0x80 [ 9598.530516][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9598.530516][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9598.530516][ T3767] ip6_route_add+0x1c/0x140 [ 9598.530516][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9598.530516][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9598.530516][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.530516][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.530516][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.530516][ T3767] netlink_unicast+0x449/0x710 [ 9598.530516][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.530516][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.530516][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.530516][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.530516][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.530516][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.530516][ T3767] [ 9598.532717][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9598.532717][ T3767] netdev_get_by_index+0x5e/0x80 [ 9598.532717][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9598.532717][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9598.532717][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9598.532717][ T3767] ipv6_add_addr+0x411/0x2000 [ 9598.532717][ T3767] inet6_addr_add+0x30e/0xa40 [ 9598.532717][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.532717][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.532717][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.532717][ T3767] netlink_unicast+0x449/0x710 [ 9598.532717][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.532717][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.532717][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.532717][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.532717][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.532717][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.532717][ T3767] [ 9598.534911][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9598.534911][ T3767] netdev_get_by_index+0x5e/0x80 [ 9598.534911][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9598.534911][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9598.534911][ T3767] ip6_route_add+0x1c/0x140 [ 9598.534911][ T3767] addrconf_add_mroute+0x129/0x180 [ 9598.534911][ T3767] addrconf_add_dev+0xe2/0x170 [ 9598.534911][ T3767] inet6_addr_add+0x12f/0xa40 [ 9598.534911][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9598.534911][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.534911][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.534911][ T3767] netlink_unicast+0x449/0x710 [ 9598.534911][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.534911][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.534911][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.534911][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.534911][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.534911][ T3767] [ 9598.537058][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9598.537058][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9598.537058][ T3767] ipv6_find_idev+0x102/0x170 [ 9598.537058][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9598.537058][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.537058][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.537058][ T3767] netlink_unicast+0x449/0x710 [ 9598.537058][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.537058][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.537058][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.537058][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.537058][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.537058][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.537058][ T3767] [ 9598.538741][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9598.538741][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9598.538741][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9598.538741][ T3767] ipv6_find_idev+0x102/0x170 [ 9598.538741][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9598.538741][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9598.538741][ T3767] netlink_rcv_skb+0x130/0x360 [ 9598.538741][ T3767] netlink_unicast+0x449/0x710 [ 9598.538741][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9598.538741][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9598.538741][ T3767] ___sys_sendmsg+0xee/0x170 [ 9598.538741][ T3767] __sys_sendmsg+0xcd/0x170 [ 9598.538741][ T3767] do_syscall_64+0xc6/0x1e0 [ 9598.538741][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9598.538741][ T3767] [ 9608.775953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9608.776414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9608.776414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9608.776414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9608.776414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9608.776414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9608.776414][ T3767] ip6_route_add+0x1c/0x140 [ 9608.776414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9608.776414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.776414][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.776414][ T3767] netlink_unicast+0x449/0x710 [ 9608.776414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.776414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.776414][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.776414][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.776414][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.776414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.776414][ T3767] [ 9608.778520][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9608.778520][ T3767] netdev_get_by_index+0x5e/0x80 [ 9608.778520][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9608.778520][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9608.778520][ T3767] ip6_route_add+0x1c/0x140 [ 9608.778520][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9608.778520][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9608.778520][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.778520][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.778520][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.778520][ T3767] netlink_unicast+0x449/0x710 [ 9608.778520][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.778520][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.778520][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.778520][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.778520][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.778520][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.778520][ T3767] [ 9608.780716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9608.780716][ T3767] netdev_get_by_index+0x5e/0x80 [ 9608.780716][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9608.780716][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9608.780716][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9608.780716][ T3767] ipv6_add_addr+0x411/0x2000 [ 9608.780716][ T3767] inet6_addr_add+0x30e/0xa40 [ 9608.780716][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.780716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.780716][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.780716][ T3767] netlink_unicast+0x449/0x710 [ 9608.780716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.780716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.780716][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.780716][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.780716][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.780716][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.780716][ T3767] [ 9608.782927][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9608.782927][ T3767] netdev_get_by_index+0x5e/0x80 [ 9608.782927][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9608.782927][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9608.782927][ T3767] ip6_route_add+0x1c/0x140 [ 9608.782927][ T3767] addrconf_add_mroute+0x129/0x180 [ 9608.782927][ T3767] addrconf_add_dev+0xe2/0x170 [ 9608.782927][ T3767] inet6_addr_add+0x12f/0xa40 [ 9608.782927][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9608.782927][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.782927][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.782927][ T3767] netlink_unicast+0x449/0x710 [ 9608.782927][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.782927][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.782927][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.782927][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.782927][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.782927][ T3767] [ 9608.785105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9608.785105][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9608.785105][ T3767] ipv6_find_idev+0x102/0x170 [ 9608.785105][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9608.785105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.785105][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.785105][ T3767] netlink_unicast+0x449/0x710 [ 9608.785105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.785105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.785105][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.785105][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.785105][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.785105][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.785105][ T3767] [ 9608.786805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9608.786805][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9608.786805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9608.786805][ T3767] ipv6_find_idev+0x102/0x170 [ 9608.786805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9608.786805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9608.786805][ T3767] netlink_rcv_skb+0x130/0x360 [ 9608.786805][ T3767] netlink_unicast+0x449/0x710 [ 9608.786805][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9608.786805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9608.786805][ T3767] ___sys_sendmsg+0xee/0x170 [ 9608.786805][ T3767] __sys_sendmsg+0xcd/0x170 [ 9608.786805][ T3767] do_syscall_64+0xc6/0x1e0 [ 9608.786805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9608.786805][ T3767] [ 9619.031941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9619.032427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9619.032427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9619.032427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9619.032427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9619.032427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9619.032427][ T3767] ip6_route_add+0x1c/0x140 [ 9619.032427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9619.032427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.032427][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.032427][ T3767] netlink_unicast+0x449/0x710 [ 9619.032427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.032427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.032427][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.032427][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.032427][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.032427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9619.032427][ T3767] [ 9619.034514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9619.034514][ T3767] netdev_get_by_index+0x5e/0x80 [ 9619.034514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9619.034514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9619.034514][ T3767] ip6_route_add+0x1c/0x140 [ 9619.034514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9619.034514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9619.034514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9619.034514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.034514][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.034514][ T3767] netlink_unicast+0x449/0x710 [ 9619.034514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.034514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.034514][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.034514][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.034514][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.034514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9619.034514][ T3767] [ 9619.036721][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9619.036721][ T3767] netdev_get_by_index+0x5e/0x80 [ 9619.036721][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9619.036721][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9619.036721][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9619.036721][ T3767] ipv6_add_addr+0x411/0x2000 [ 9619.036721][ T3767] inet6_addr_add+0x30e/0xa40 [ 9619.036721][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9619.036721][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.036721][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.036721][ T3767] netlink_unicast+0x449/0x710 [ 9619.036721][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.036721][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.036721][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.036721][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.036721][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.036721][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9619.036721][ T3767] [ 9619.038924][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9619.038924][ T3767] netdev_get_by_index+0x5e/0x80 [ 9619.038924][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9619.038924][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9619.038924][ T3767] ip6_route_add+0x1c/0x140 [ 9619.038924][ T3767] addrconf_add_mroute+0x129/0x180 [ 9619.038924][ T3767] addrconf_add_dev+0xe2/0x170 [ 9619.038924][ T3767] inet6_addr_add+0x12f/0xa40 [ 9619.038924][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9619.038924][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.038924][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.038924][ T3767] netlink_unicast+0x449/0x710 [ 9619.038924][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.038924][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.038924][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.038924][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.038924][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.038924][ T3767] [ 9619.041901][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9619.041901][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9619.041901][ T3767] ipv6_find_idev+0x102/0x170 [ 9619.041901][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9619.041901][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.041901][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.041901][ T3767] netlink_unicast+0x449/0x710 [ 9619.041901][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.041901][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.041901][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.041901][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.041901][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.041901][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9619.041901][ T3767] [ 9619.044663][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9619.044663][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9619.044663][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9619.044663][ T3767] ipv6_find_idev+0x102/0x170 [ 9619.044663][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9619.044663][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9619.044663][ T3767] netlink_rcv_skb+0x130/0x360 [ 9619.044663][ T3767] netlink_unicast+0x449/0x710 [ 9619.044663][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9619.044663][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9619.044663][ T3767] ___sys_sendmsg+0xee/0x170 [ 9619.044663][ T3767] __sys_sendmsg+0xcd/0x170 [ 9619.044663][ T3767] do_syscall_64+0xc6/0x1e0 [ 9619.044663][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9619.044663][ T3767] [ 9629.287938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9629.288417][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9629.288417][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9629.288417][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9629.288417][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9629.288417][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9629.288417][ T3767] ip6_route_add+0x1c/0x140 [ 9629.288417][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9629.288417][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.288417][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.288417][ T3767] netlink_unicast+0x449/0x710 [ 9629.288417][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.288417][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.288417][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.288417][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.288417][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.288417][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.288417][ T3767] [ 9629.290504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9629.290504][ T3767] netdev_get_by_index+0x5e/0x80 [ 9629.290504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9629.290504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9629.290504][ T3767] ip6_route_add+0x1c/0x140 [ 9629.290504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9629.290504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9629.290504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.290504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.290504][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.290504][ T3767] netlink_unicast+0x449/0x710 [ 9629.290504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.290504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.290504][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.290504][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.290504][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.290504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.290504][ T3767] [ 9629.292734][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9629.292734][ T3767] netdev_get_by_index+0x5e/0x80 [ 9629.292734][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9629.292734][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9629.292734][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9629.292734][ T3767] ipv6_add_addr+0x411/0x2000 [ 9629.292734][ T3767] inet6_addr_add+0x30e/0xa40 [ 9629.292734][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.292734][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.292734][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.292734][ T3767] netlink_unicast+0x449/0x710 [ 9629.292734][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.292734][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.292734][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.292734][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.292734][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.292734][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.292734][ T3767] [ 9629.294947][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9629.294947][ T3767] netdev_get_by_index+0x5e/0x80 [ 9629.294947][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9629.294947][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9629.294947][ T3767] ip6_route_add+0x1c/0x140 [ 9629.294947][ T3767] addrconf_add_mroute+0x129/0x180 [ 9629.294947][ T3767] addrconf_add_dev+0xe2/0x170 [ 9629.294947][ T3767] inet6_addr_add+0x12f/0xa40 [ 9629.294947][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9629.294947][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.294947][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.294947][ T3767] netlink_unicast+0x449/0x710 [ 9629.294947][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.294947][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.294947][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.294947][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.294947][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.294947][ T3767] [ 9629.297137][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9629.297137][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9629.297137][ T3767] ipv6_find_idev+0x102/0x170 [ 9629.297137][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9629.297137][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.297137][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.297137][ T3767] netlink_unicast+0x449/0x710 [ 9629.297137][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.297137][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.297137][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.297137][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.297137][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.297137][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.297137][ T3767] [ 9629.298837][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9629.298837][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9629.298837][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9629.298837][ T3767] ipv6_find_idev+0x102/0x170 [ 9629.298837][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9629.298837][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9629.298837][ T3767] netlink_rcv_skb+0x130/0x360 [ 9629.298837][ T3767] netlink_unicast+0x449/0x710 [ 9629.298837][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9629.298837][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9629.298837][ T3767] ___sys_sendmsg+0xee/0x170 [ 9629.298837][ T3767] __sys_sendmsg+0xcd/0x170 [ 9629.298837][ T3767] do_syscall_64+0xc6/0x1e0 [ 9629.298837][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9629.298837][ T3767] [ 9639.535938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9639.536397][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9639.536397][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9639.536397][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9639.536397][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9639.536397][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9639.536397][ T3767] ip6_route_add+0x1c/0x140 [ 9639.536397][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9639.536397][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.536397][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.536397][ T3767] netlink_unicast+0x449/0x710 [ 9639.536397][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.536397][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.536397][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.536397][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.536397][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.536397][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.536397][ T3767] [ 9639.538529][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9639.538529][ T3767] netdev_get_by_index+0x5e/0x80 [ 9639.538529][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9639.538529][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9639.538529][ T3767] ip6_route_add+0x1c/0x140 [ 9639.538529][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9639.538529][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9639.538529][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.538529][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.538529][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.538529][ T3767] netlink_unicast+0x449/0x710 [ 9639.538529][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.538529][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.538529][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.538529][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.538529][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.538529][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.538529][ T3767] [ 9639.540736][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9639.540736][ T3767] netdev_get_by_index+0x5e/0x80 [ 9639.540736][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9639.540736][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9639.540736][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9639.540736][ T3767] ipv6_add_addr+0x411/0x2000 [ 9639.540736][ T3767] inet6_addr_add+0x30e/0xa40 [ 9639.540736][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.540736][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.540736][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.540736][ T3767] netlink_unicast+0x449/0x710 [ 9639.540736][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.540736][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.540736][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.540736][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.540736][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.540736][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.540736][ T3767] [ 9639.542975][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9639.542975][ T3767] netdev_get_by_index+0x5e/0x80 [ 9639.542975][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9639.542975][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9639.542975][ T3767] ip6_route_add+0x1c/0x140 [ 9639.542975][ T3767] addrconf_add_mroute+0x129/0x180 [ 9639.542975][ T3767] addrconf_add_dev+0xe2/0x170 [ 9639.542975][ T3767] inet6_addr_add+0x12f/0xa40 [ 9639.542975][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9639.542975][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.542975][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.542975][ T3767] netlink_unicast+0x449/0x710 [ 9639.542975][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.542975][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.542975][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.542975][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.542975][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.542975][ T3767] [ 9639.545628][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9639.545628][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9639.545628][ T3767] ipv6_find_idev+0x102/0x170 [ 9639.545628][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9639.545628][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.545628][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.545628][ T3767] netlink_unicast+0x449/0x710 [ 9639.545628][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.545628][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.545628][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.545628][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.545628][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.545628][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.545628][ T3767] [ 9639.547341][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9639.547341][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9639.547341][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9639.547341][ T3767] ipv6_find_idev+0x102/0x170 [ 9639.547341][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9639.547341][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9639.547341][ T3767] netlink_rcv_skb+0x130/0x360 [ 9639.547341][ T3767] netlink_unicast+0x449/0x710 [ 9639.547341][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9639.547341][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9639.547341][ T3767] ___sys_sendmsg+0xee/0x170 [ 9639.547341][ T3767] __sys_sendmsg+0xcd/0x170 [ 9639.547341][ T3767] do_syscall_64+0xc6/0x1e0 [ 9639.547341][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9639.547341][ T3767] [ 9649.791877][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9649.792339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9649.792339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9649.792339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9649.792339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9649.792339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9649.792339][ T3767] ip6_route_add+0x1c/0x140 [ 9649.792339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9649.792339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.792339][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.792339][ T3767] netlink_unicast+0x449/0x710 [ 9649.792339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.792339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.792339][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.792339][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.792339][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.792339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.792339][ T3767] [ 9649.794457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9649.794457][ T3767] netdev_get_by_index+0x5e/0x80 [ 9649.794457][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9649.794457][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9649.794457][ T3767] ip6_route_add+0x1c/0x140 [ 9649.794457][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9649.794457][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9649.794457][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.794457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.794457][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.794457][ T3767] netlink_unicast+0x449/0x710 [ 9649.794457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.794457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.794457][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.794457][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.794457][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.794457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.794457][ T3767] [ 9649.796696][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9649.796696][ T3767] netdev_get_by_index+0x5e/0x80 [ 9649.796696][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9649.796696][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9649.796696][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9649.796696][ T3767] ipv6_add_addr+0x411/0x2000 [ 9649.796696][ T3767] inet6_addr_add+0x30e/0xa40 [ 9649.796696][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.796696][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.796696][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.796696][ T3767] netlink_unicast+0x449/0x710 [ 9649.796696][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.796696][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.796696][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.796696][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.796696][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.796696][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.796696][ T3767] [ 9649.798906][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9649.798906][ T3767] netdev_get_by_index+0x5e/0x80 [ 9649.798906][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9649.798906][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9649.798906][ T3767] ip6_route_add+0x1c/0x140 [ 9649.798906][ T3767] addrconf_add_mroute+0x129/0x180 [ 9649.798906][ T3767] addrconf_add_dev+0xe2/0x170 [ 9649.798906][ T3767] inet6_addr_add+0x12f/0xa40 [ 9649.798906][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9649.798906][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.798906][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.798906][ T3767] netlink_unicast+0x449/0x710 [ 9649.798906][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.798906][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.798906][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.798906][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.798906][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.798906][ T3767] [ 9649.801061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9649.801061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9649.801061][ T3767] ipv6_find_idev+0x102/0x170 [ 9649.801061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9649.801061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.801061][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.801061][ T3767] netlink_unicast+0x449/0x710 [ 9649.801061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.801061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.801061][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.801061][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.801061][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.801061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.801061][ T3767] [ 9649.802761][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9649.802761][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9649.802761][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9649.802761][ T3767] ipv6_find_idev+0x102/0x170 [ 9649.802761][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9649.802761][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9649.802761][ T3767] netlink_rcv_skb+0x130/0x360 [ 9649.802761][ T3767] netlink_unicast+0x449/0x710 [ 9649.802761][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9649.802761][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9649.802761][ T3767] ___sys_sendmsg+0xee/0x170 [ 9649.802761][ T3767] __sys_sendmsg+0xcd/0x170 [ 9649.802761][ T3767] do_syscall_64+0xc6/0x1e0 [ 9649.802761][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9649.802761][ T3767] [ 9660.039943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9660.040436][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9660.040436][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9660.040436][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9660.040436][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9660.040436][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9660.040436][ T3767] ip6_route_add+0x1c/0x140 [ 9660.040436][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9660.040436][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.040436][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.040436][ T3767] netlink_unicast+0x449/0x710 [ 9660.040436][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.040436][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.040436][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.040436][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.040436][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.040436][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9660.040436][ T3767] [ 9660.042533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9660.042533][ T3767] netdev_get_by_index+0x5e/0x80 [ 9660.042533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9660.042533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9660.042533][ T3767] ip6_route_add+0x1c/0x140 [ 9660.042533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9660.042533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9660.042533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9660.042533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.042533][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.042533][ T3767] netlink_unicast+0x449/0x710 [ 9660.042533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.042533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.042533][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.042533][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.042533][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.042533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9660.042533][ T3767] [ 9660.044739][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9660.044739][ T3767] netdev_get_by_index+0x5e/0x80 [ 9660.044739][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9660.044739][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9660.044739][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9660.044739][ T3767] ipv6_add_addr+0x411/0x2000 [ 9660.044739][ T3767] inet6_addr_add+0x30e/0xa40 [ 9660.044739][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9660.044739][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.044739][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.044739][ T3767] netlink_unicast+0x449/0x710 [ 9660.044739][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.044739][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.044739][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.044739][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.044739][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.044739][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9660.044739][ T3767] [ 9660.046936][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9660.046936][ T3767] netdev_get_by_index+0x5e/0x80 [ 9660.046936][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9660.046936][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9660.046936][ T3767] ip6_route_add+0x1c/0x140 [ 9660.046936][ T3767] addrconf_add_mroute+0x129/0x180 [ 9660.046936][ T3767] addrconf_add_dev+0xe2/0x170 [ 9660.046936][ T3767] inet6_addr_add+0x12f/0xa40 [ 9660.046936][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9660.046936][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.046936][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.046936][ T3767] netlink_unicast+0x449/0x710 [ 9660.046936][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.046936][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.046936][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.046936][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.046936][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.046936][ T3767] [ 9660.049105][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9660.049105][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9660.049105][ T3767] ipv6_find_idev+0x102/0x170 [ 9660.049105][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9660.049105][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.049105][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.049105][ T3767] netlink_unicast+0x449/0x710 [ 9660.049105][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.049105][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.049105][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.049105][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.049105][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.049105][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9660.049105][ T3767] [ 9660.050807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9660.050807][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9660.050807][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9660.050807][ T3767] ipv6_find_idev+0x102/0x170 [ 9660.050807][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9660.050807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9660.050807][ T3767] netlink_rcv_skb+0x130/0x360 [ 9660.050807][ T3767] netlink_unicast+0x449/0x710 [ 9660.050807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9660.050807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9660.050807][ T3767] ___sys_sendmsg+0xee/0x170 [ 9660.050807][ T3767] __sys_sendmsg+0xcd/0x170 [ 9660.050807][ T3767] do_syscall_64+0xc6/0x1e0 [ 9660.050807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9660.050807][ T3767] [ 9670.287941][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9670.288399][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9670.288399][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9670.288399][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9670.288399][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9670.288399][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9670.288399][ T3767] ip6_route_add+0x1c/0x140 [ 9670.288399][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9670.288399][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.288399][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.288399][ T3767] netlink_unicast+0x449/0x710 [ 9670.288399][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.288399][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.288399][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.288399][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.288399][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.288399][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9670.288399][ T3767] [ 9670.290515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9670.290515][ T3767] netdev_get_by_index+0x5e/0x80 [ 9670.290515][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9670.290515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9670.290515][ T3767] ip6_route_add+0x1c/0x140 [ 9670.290515][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9670.290515][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9670.290515][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9670.290515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.290515][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.290515][ T3767] netlink_unicast+0x449/0x710 [ 9670.290515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.290515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.290515][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.290515][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.290515][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.290515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9670.290515][ T3767] [ 9670.292722][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9670.292722][ T3767] netdev_get_by_index+0x5e/0x80 [ 9670.292722][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9670.292722][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9670.292722][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9670.292722][ T3767] ipv6_add_addr+0x411/0x2000 [ 9670.292722][ T3767] inet6_addr_add+0x30e/0xa40 [ 9670.292722][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9670.292722][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.292722][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.292722][ T3767] netlink_unicast+0x449/0x710 [ 9670.292722][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.292722][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.292722][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.292722][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.292722][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.292722][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9670.292722][ T3767] [ 9670.294929][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9670.294929][ T3767] netdev_get_by_index+0x5e/0x80 [ 9670.294929][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9670.294929][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9670.294929][ T3767] ip6_route_add+0x1c/0x140 [ 9670.294929][ T3767] addrconf_add_mroute+0x129/0x180 [ 9670.294929][ T3767] addrconf_add_dev+0xe2/0x170 [ 9670.294929][ T3767] inet6_addr_add+0x12f/0xa40 [ 9670.294929][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9670.294929][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.294929][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.294929][ T3767] netlink_unicast+0x449/0x710 [ 9670.294929][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.294929][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.294929][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.294929][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.294929][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.294929][ T3767] [ 9670.297098][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9670.297098][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9670.297098][ T3767] ipv6_find_idev+0x102/0x170 [ 9670.297098][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9670.297098][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.297098][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.297098][ T3767] netlink_unicast+0x449/0x710 [ 9670.297098][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.297098][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.297098][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.297098][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.297098][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.297098][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9670.297098][ T3767] [ 9670.298785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9670.298785][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9670.298785][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9670.298785][ T3767] ipv6_find_idev+0x102/0x170 [ 9670.298785][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9670.298785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9670.298785][ T3767] netlink_rcv_skb+0x130/0x360 [ 9670.298785][ T3767] netlink_unicast+0x449/0x710 [ 9670.298785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9670.298785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9670.298785][ T3767] ___sys_sendmsg+0xee/0x170 [ 9670.298785][ T3767] __sys_sendmsg+0xcd/0x170 [ 9670.298785][ T3767] do_syscall_64+0xc6/0x1e0 [ 9670.298785][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9670.298785][ T3767] [ 9680.536023][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9680.536485][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9680.536485][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9680.536485][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9680.536485][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9680.536485][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9680.536485][ T3767] ip6_route_add+0x1c/0x140 [ 9680.536485][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9680.536485][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.536485][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.536485][ T3767] netlink_unicast+0x449/0x710 [ 9680.536485][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.536485][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.536485][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.536485][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.536485][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.536485][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9680.536485][ T3767] [ 9680.538595][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9680.538595][ T3767] netdev_get_by_index+0x5e/0x80 [ 9680.538595][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9680.538595][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9680.538595][ T3767] ip6_route_add+0x1c/0x140 [ 9680.538595][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9680.538595][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9680.538595][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9680.538595][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.538595][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.538595][ T3767] netlink_unicast+0x449/0x710 [ 9680.538595][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.538595][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.538595][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.538595][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.538595][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.538595][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9680.538595][ T3767] [ 9680.540788][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9680.540788][ T3767] netdev_get_by_index+0x5e/0x80 [ 9680.540788][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9680.540788][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9680.540788][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9680.540788][ T3767] ipv6_add_addr+0x411/0x2000 [ 9680.540788][ T3767] inet6_addr_add+0x30e/0xa40 [ 9680.540788][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9680.540788][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.540788][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.540788][ T3767] netlink_unicast+0x449/0x710 [ 9680.540788][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.540788][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.540788][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.540788][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.540788][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.540788][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9680.540788][ T3767] [ 9680.543004][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9680.543004][ T3767] netdev_get_by_index+0x5e/0x80 [ 9680.543004][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9680.543004][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9680.543004][ T3767] ip6_route_add+0x1c/0x140 [ 9680.543004][ T3767] addrconf_add_mroute+0x129/0x180 [ 9680.543004][ T3767] addrconf_add_dev+0xe2/0x170 [ 9680.543004][ T3767] inet6_addr_add+0x12f/0xa40 [ 9680.543004][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9680.543004][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.543004][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.543004][ T3767] netlink_unicast+0x449/0x710 [ 9680.543004][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.543004][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.543004][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.543004][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.543004][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.543004][ T3767] [ 9680.545176][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9680.545176][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9680.545176][ T3767] ipv6_find_idev+0x102/0x170 [ 9680.545176][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9680.545176][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.545176][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.545176][ T3767] netlink_unicast+0x449/0x710 [ 9680.545176][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.545176][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.545176][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.545176][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.545176][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.545176][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9680.545176][ T3767] [ 9680.546898][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9680.546898][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9680.546898][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9680.546898][ T3767] ipv6_find_idev+0x102/0x170 [ 9680.546898][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9680.546898][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9680.546898][ T3767] netlink_rcv_skb+0x130/0x360 [ 9680.546898][ T3767] netlink_unicast+0x449/0x710 [ 9680.546898][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9680.546898][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9680.546898][ T3767] ___sys_sendmsg+0xee/0x170 [ 9680.546898][ T3767] __sys_sendmsg+0xcd/0x170 [ 9680.546898][ T3767] do_syscall_64+0xc6/0x1e0 [ 9680.546898][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9680.546898][ T3767] [ 9690.783938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9690.784340][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9690.784340][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9690.784340][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9690.784340][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9690.784340][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9690.784340][ T3767] ip6_route_add+0x1c/0x140 [ 9690.784340][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9690.784340][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.784340][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.784340][ T3767] netlink_unicast+0x449/0x710 [ 9690.784340][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.784340][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.784340][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.784340][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.784340][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.784340][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.784340][ T3767] [ 9690.786415][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9690.786415][ T3767] netdev_get_by_index+0x5e/0x80 [ 9690.786415][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9690.786415][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9690.786415][ T3767] ip6_route_add+0x1c/0x140 [ 9690.786415][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9690.786415][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9690.786415][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.786415][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.786415][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.786415][ T3767] netlink_unicast+0x449/0x710 [ 9690.786415][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.786415][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.786415][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.786415][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.786415][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.786415][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.786415][ T3767] [ 9690.788602][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9690.788602][ T3767] netdev_get_by_index+0x5e/0x80 [ 9690.788602][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9690.788602][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9690.788602][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9690.788602][ T3767] ipv6_add_addr+0x411/0x2000 [ 9690.788602][ T3767] inet6_addr_add+0x30e/0xa40 [ 9690.788602][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.788602][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.788602][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.788602][ T3767] netlink_unicast+0x449/0x710 [ 9690.788602][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.788602][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.788602][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.788602][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.788602][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.788602][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.788602][ T3767] [ 9690.790785][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9690.790785][ T3767] netdev_get_by_index+0x5e/0x80 [ 9690.790785][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9690.790785][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9690.790785][ T3767] ip6_route_add+0x1c/0x140 [ 9690.790785][ T3767] addrconf_add_mroute+0x129/0x180 [ 9690.790785][ T3767] addrconf_add_dev+0xe2/0x170 [ 9690.790785][ T3767] inet6_addr_add+0x12f/0xa40 [ 9690.790785][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9690.790785][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.790785][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.790785][ T3767] netlink_unicast+0x449/0x710 [ 9690.790785][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.790785][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.790785][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.790785][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.790785][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.790785][ T3767] [ 9690.792935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9690.792935][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9690.792935][ T3767] ipv6_find_idev+0x102/0x170 [ 9690.792935][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9690.792935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.792935][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.792935][ T3767] netlink_unicast+0x449/0x710 [ 9690.792935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.792935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.792935][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.792935][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.792935][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.792935][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.792935][ T3767] [ 9690.794613][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9690.794613][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9690.794613][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9690.794613][ T3767] ipv6_find_idev+0x102/0x170 [ 9690.794613][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9690.794613][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9690.794613][ T3767] netlink_rcv_skb+0x130/0x360 [ 9690.794613][ T3767] netlink_unicast+0x449/0x710 [ 9690.794613][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9690.794613][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9690.794613][ T3767] ___sys_sendmsg+0xee/0x170 [ 9690.794613][ T3767] __sys_sendmsg+0xcd/0x170 [ 9690.794613][ T3767] do_syscall_64+0xc6/0x1e0 [ 9690.794613][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9690.794613][ T3767] [ 9701.031878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9701.032352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9701.032352][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9701.032352][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9701.032352][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9701.032352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9701.032352][ T3767] ip6_route_add+0x1c/0x140 [ 9701.032352][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9701.032352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.032352][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.032352][ T3767] netlink_unicast+0x449/0x710 [ 9701.032352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.032352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.032352][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.032352][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.032352][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.032352][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9701.032352][ T3767] [ 9701.034420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9701.034420][ T3767] netdev_get_by_index+0x5e/0x80 [ 9701.034420][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9701.034420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9701.034420][ T3767] ip6_route_add+0x1c/0x140 [ 9701.034420][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9701.034420][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9701.034420][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9701.034420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.034420][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.034420][ T3767] netlink_unicast+0x449/0x710 [ 9701.034420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.034420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.034420][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.034420][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.034420][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.034420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9701.034420][ T3767] [ 9701.036604][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9701.036604][ T3767] netdev_get_by_index+0x5e/0x80 [ 9701.036604][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9701.036604][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9701.036604][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9701.036604][ T3767] ipv6_add_addr+0x411/0x2000 [ 9701.036604][ T3767] inet6_addr_add+0x30e/0xa40 [ 9701.036604][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9701.036604][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.036604][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.036604][ T3767] netlink_unicast+0x449/0x710 [ 9701.036604][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.036604][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.036604][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.036604][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.036604][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.036604][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9701.036604][ T3767] [ 9701.038782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9701.038782][ T3767] netdev_get_by_index+0x5e/0x80 [ 9701.038782][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9701.038782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9701.038782][ T3767] ip6_route_add+0x1c/0x140 [ 9701.038782][ T3767] addrconf_add_mroute+0x129/0x180 [ 9701.038782][ T3767] addrconf_add_dev+0xe2/0x170 [ 9701.038782][ T3767] inet6_addr_add+0x12f/0xa40 [ 9701.038782][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9701.038782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.038782][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.038782][ T3767] netlink_unicast+0x449/0x710 [ 9701.038782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.038782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.038782][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.038782][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.038782][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.038782][ T3767] [ 9701.043223][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9701.043223][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9701.043223][ T3767] ipv6_find_idev+0x102/0x170 [ 9701.043223][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9701.043223][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.043223][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.043223][ T3767] netlink_unicast+0x449/0x710 [ 9701.043223][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.043223][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.043223][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.043223][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.043223][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.043223][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9701.043223][ T3767] [ 9701.044923][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9701.044923][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9701.044923][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9701.044923][ T3767] ipv6_find_idev+0x102/0x170 [ 9701.044923][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9701.044923][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9701.044923][ T3767] netlink_rcv_skb+0x130/0x360 [ 9701.044923][ T3767] netlink_unicast+0x449/0x710 [ 9701.044923][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9701.044923][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9701.044923][ T3767] ___sys_sendmsg+0xee/0x170 [ 9701.044923][ T3767] __sys_sendmsg+0xcd/0x170 [ 9701.044923][ T3767] do_syscall_64+0xc6/0x1e0 [ 9701.044923][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9701.044923][ T3767] [ 9711.287864][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9711.288329][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9711.288329][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9711.288329][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9711.288329][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9711.288329][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9711.288329][ T3767] ip6_route_add+0x1c/0x140 [ 9711.288329][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9711.288329][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.288329][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.288329][ T3767] netlink_unicast+0x449/0x710 [ 9711.288329][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.288329][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.288329][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.288329][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.288329][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.288329][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9711.288329][ T3767] [ 9711.290438][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9711.290438][ T3767] netdev_get_by_index+0x5e/0x80 [ 9711.290438][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9711.290438][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9711.290438][ T3767] ip6_route_add+0x1c/0x140 [ 9711.290438][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9711.290438][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9711.290438][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9711.290438][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.290438][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.290438][ T3767] netlink_unicast+0x449/0x710 [ 9711.290438][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.290438][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.290438][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.290438][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.290438][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.290438][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9711.290438][ T3767] [ 9711.292651][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9711.292651][ T3767] netdev_get_by_index+0x5e/0x80 [ 9711.292651][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9711.292651][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9711.292651][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9711.292651][ T3767] ipv6_add_addr+0x411/0x2000 [ 9711.292651][ T3767] inet6_addr_add+0x30e/0xa40 [ 9711.292651][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9711.292651][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.292651][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.292651][ T3767] netlink_unicast+0x449/0x710 [ 9711.292651][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.292651][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.292651][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.292651][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.292651][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.292651][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9711.292651][ T3767] [ 9711.294852][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9711.294852][ T3767] netdev_get_by_index+0x5e/0x80 [ 9711.294852][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9711.294852][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9711.294852][ T3767] ip6_route_add+0x1c/0x140 [ 9711.294852][ T3767] addrconf_add_mroute+0x129/0x180 [ 9711.294852][ T3767] addrconf_add_dev+0xe2/0x170 [ 9711.294852][ T3767] inet6_addr_add+0x12f/0xa40 [ 9711.294852][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9711.294852][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.294852][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.294852][ T3767] netlink_unicast+0x449/0x710 [ 9711.294852][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.294852][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.294852][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.294852][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.294852][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.294852][ T3767] [ 9711.297024][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9711.297024][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9711.297024][ T3767] ipv6_find_idev+0x102/0x170 [ 9711.297024][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9711.297024][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.297024][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.297024][ T3767] netlink_unicast+0x449/0x710 [ 9711.297024][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.297024][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.297024][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.297024][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.297024][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.297024][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9711.297024][ T3767] [ 9711.298726][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9711.298726][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9711.298726][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9711.298726][ T3767] ipv6_find_idev+0x102/0x170 [ 9711.298726][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9711.298726][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9711.298726][ T3767] netlink_rcv_skb+0x130/0x360 [ 9711.298726][ T3767] netlink_unicast+0x449/0x710 [ 9711.298726][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9711.298726][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9711.298726][ T3767] ___sys_sendmsg+0xee/0x170 [ 9711.298726][ T3767] __sys_sendmsg+0xcd/0x170 [ 9711.298726][ T3767] do_syscall_64+0xc6/0x1e0 [ 9711.298726][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9711.298726][ T3767] [ 9721.479943][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9721.480404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9721.480404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9721.480404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9721.480404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9721.480404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9721.480404][ T3767] ip6_route_add+0x1c/0x140 [ 9721.480404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9721.480404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.480404][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.480404][ T3767] netlink_unicast+0x449/0x710 [ 9721.480404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.480404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.480404][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.480404][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.480404][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.480404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9721.480404][ T3767] [ 9721.482504][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9721.482504][ T3767] netdev_get_by_index+0x5e/0x80 [ 9721.482504][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9721.482504][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9721.482504][ T3767] ip6_route_add+0x1c/0x140 [ 9721.482504][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9721.482504][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9721.482504][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9721.482504][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.482504][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.482504][ T3767] netlink_unicast+0x449/0x710 [ 9721.482504][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.482504][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.482504][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.482504][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.482504][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.482504][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9721.482504][ T3767] [ 9721.484704][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9721.484704][ T3767] netdev_get_by_index+0x5e/0x80 [ 9721.484704][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9721.484704][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9721.484704][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9721.484704][ T3767] ipv6_add_addr+0x411/0x2000 [ 9721.484704][ T3767] inet6_addr_add+0x30e/0xa40 [ 9721.484704][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9721.484704][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.484704][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.484704][ T3767] netlink_unicast+0x449/0x710 [ 9721.484704][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.484704][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.484704][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.484704][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.484704][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.484704][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9721.484704][ T3767] [ 9721.486905][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9721.486905][ T3767] netdev_get_by_index+0x5e/0x80 [ 9721.486905][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9721.486905][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9721.486905][ T3767] ip6_route_add+0x1c/0x140 [ 9721.486905][ T3767] addrconf_add_mroute+0x129/0x180 [ 9721.486905][ T3767] addrconf_add_dev+0xe2/0x170 [ 9721.486905][ T3767] inet6_addr_add+0x12f/0xa40 [ 9721.486905][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9721.486905][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.486905][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.486905][ T3767] netlink_unicast+0x449/0x710 [ 9721.486905][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.486905][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.486905][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.486905][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.486905][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.486905][ T3767] [ 9721.489066][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9721.489066][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9721.489066][ T3767] ipv6_find_idev+0x102/0x170 [ 9721.489066][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9721.489066][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.489066][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.489066][ T3767] netlink_unicast+0x449/0x710 [ 9721.489066][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.489066][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.489066][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.489066][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.489066][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.489066][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9721.489066][ T3767] [ 9721.490759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9721.490759][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9721.490759][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9721.490759][ T3767] ipv6_find_idev+0x102/0x170 [ 9721.490759][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9721.490759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9721.490759][ T3767] netlink_rcv_skb+0x130/0x360 [ 9721.490759][ T3767] netlink_unicast+0x449/0x710 [ 9721.490759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9721.490759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9721.490759][ T3767] ___sys_sendmsg+0xee/0x170 [ 9721.490759][ T3767] __sys_sendmsg+0xcd/0x170 [ 9721.490759][ T3767] do_syscall_64+0xc6/0x1e0 [ 9721.490759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9721.490759][ T3767] [ 9731.495945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9731.496428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9731.496428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9731.496428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9731.496428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9731.496428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9731.496428][ T3767] ip6_route_add+0x1c/0x140 [ 9731.496428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9731.496428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.496428][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.496428][ T3767] netlink_unicast+0x449/0x710 [ 9731.496428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.496428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.496428][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.496428][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.496428][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.496428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.496428][ T3767] [ 9731.498515][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9731.498515][ T3767] netdev_get_by_index+0x5e/0x80 [ 9731.498515][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9731.498515][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9731.498515][ T3767] ip6_route_add+0x1c/0x140 [ 9731.498515][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9731.498515][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9731.498515][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.498515][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.498515][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.498515][ T3767] netlink_unicast+0x449/0x710 [ 9731.498515][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.498515][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.498515][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.498515][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.498515][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.498515][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.498515][ T3767] [ 9731.500723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9731.500723][ T3767] netdev_get_by_index+0x5e/0x80 [ 9731.500723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9731.500723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9731.500723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9731.500723][ T3767] ipv6_add_addr+0x411/0x2000 [ 9731.500723][ T3767] inet6_addr_add+0x30e/0xa40 [ 9731.500723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.500723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.500723][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.500723][ T3767] netlink_unicast+0x449/0x710 [ 9731.500723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.500723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.500723][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.500723][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.500723][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.500723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.500723][ T3767] [ 9731.502926][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9731.502926][ T3767] netdev_get_by_index+0x5e/0x80 [ 9731.502926][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9731.502926][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9731.502926][ T3767] ip6_route_add+0x1c/0x140 [ 9731.502926][ T3767] addrconf_add_mroute+0x129/0x180 [ 9731.502926][ T3767] addrconf_add_dev+0xe2/0x170 [ 9731.502926][ T3767] inet6_addr_add+0x12f/0xa40 [ 9731.502926][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9731.502926][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.502926][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.502926][ T3767] netlink_unicast+0x449/0x710 [ 9731.502926][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.502926][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.502926][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.502926][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.502926][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.502926][ T3767] [ 9731.505099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9731.505099][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9731.505099][ T3767] ipv6_find_idev+0x102/0x170 [ 9731.505099][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.505099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.505099][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.505099][ T3767] netlink_unicast+0x449/0x710 [ 9731.505099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.505099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.505099][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.505099][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.505099][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.505099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.505099][ T3767] [ 9731.506796][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9731.506796][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9731.506796][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9731.506796][ T3767] ipv6_find_idev+0x102/0x170 [ 9731.506796][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9731.506796][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9731.506796][ T3767] netlink_rcv_skb+0x130/0x360 [ 9731.506796][ T3767] netlink_unicast+0x449/0x710 [ 9731.506796][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9731.506796][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9731.506796][ T3767] ___sys_sendmsg+0xee/0x170 [ 9731.506796][ T3767] __sys_sendmsg+0xcd/0x170 [ 9731.506796][ T3767] do_syscall_64+0xc6/0x1e0 [ 9731.506796][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9731.506796][ T3767] [ 9741.743940][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9741.744427][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9741.744427][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9741.744427][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9741.744427][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9741.744427][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9741.744427][ T3767] ip6_route_add+0x1c/0x140 [ 9741.744427][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9741.744427][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.744427][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.744427][ T3767] netlink_unicast+0x449/0x710 [ 9741.744427][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.744427][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.744427][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.744427][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.744427][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.744427][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.744427][ T3767] [ 9741.746533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9741.746533][ T3767] netdev_get_by_index+0x5e/0x80 [ 9741.746533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9741.746533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9741.746533][ T3767] ip6_route_add+0x1c/0x140 [ 9741.746533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9741.746533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9741.746533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.746533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.746533][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.746533][ T3767] netlink_unicast+0x449/0x710 [ 9741.746533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.746533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.746533][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.746533][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.746533][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.746533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.746533][ T3767] [ 9741.748738][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9741.748738][ T3767] netdev_get_by_index+0x5e/0x80 [ 9741.748738][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9741.748738][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9741.748738][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9741.748738][ T3767] ipv6_add_addr+0x411/0x2000 [ 9741.748738][ T3767] inet6_addr_add+0x30e/0xa40 [ 9741.748738][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.748738][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.748738][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.748738][ T3767] netlink_unicast+0x449/0x710 [ 9741.748738][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.748738][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.748738][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.748738][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.748738][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.748738][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.748738][ T3767] [ 9741.750933][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9741.750933][ T3767] netdev_get_by_index+0x5e/0x80 [ 9741.750933][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9741.750933][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9741.750933][ T3767] ip6_route_add+0x1c/0x140 [ 9741.750933][ T3767] addrconf_add_mroute+0x129/0x180 [ 9741.750933][ T3767] addrconf_add_dev+0xe2/0x170 [ 9741.750933][ T3767] inet6_addr_add+0x12f/0xa40 [ 9741.750933][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9741.750933][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.750933][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.750933][ T3767] netlink_unicast+0x449/0x710 [ 9741.750933][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.750933][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.750933][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.750933][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.750933][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.750933][ T3767] [ 9741.753115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9741.753115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9741.753115][ T3767] ipv6_find_idev+0x102/0x170 [ 9741.753115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.753115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.753115][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.753115][ T3767] netlink_unicast+0x449/0x710 [ 9741.753115][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.753115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.753115][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.753115][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.753115][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.753115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.753115][ T3767] [ 9741.754808][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9741.754808][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9741.754808][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9741.754808][ T3767] ipv6_find_idev+0x102/0x170 [ 9741.754808][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9741.754808][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9741.754808][ T3767] netlink_rcv_skb+0x130/0x360 [ 9741.754808][ T3767] netlink_unicast+0x449/0x710 [ 9741.754808][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9741.754808][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9741.754808][ T3767] ___sys_sendmsg+0xee/0x170 [ 9741.754808][ T3767] __sys_sendmsg+0xcd/0x170 [ 9741.754808][ T3767] do_syscall_64+0xc6/0x1e0 [ 9741.754808][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9741.754808][ T3767] [ 9751.991889][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9751.992373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9751.992373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9751.992373][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9751.992373][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9751.992373][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9751.992373][ T3767] ip6_route_add+0x1c/0x140 [ 9751.992373][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9751.992373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.992373][ T3767] netlink_rcv_skb+0x130/0x360 [ 9751.992373][ T3767] netlink_unicast+0x449/0x710 [ 9751.992373][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9751.992373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9751.992373][ T3767] ___sys_sendmsg+0xee/0x170 [ 9751.992373][ T3767] __sys_sendmsg+0xcd/0x170 [ 9751.992373][ T3767] do_syscall_64+0xc6/0x1e0 [ 9751.992373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.992373][ T3767] [ 9751.994476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9751.994476][ T3767] netdev_get_by_index+0x5e/0x80 [ 9751.994476][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9751.994476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9751.994476][ T3767] ip6_route_add+0x1c/0x140 [ 9751.994476][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9751.994476][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9751.994476][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.994476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.994476][ T3767] netlink_rcv_skb+0x130/0x360 [ 9751.994476][ T3767] netlink_unicast+0x449/0x710 [ 9751.994476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9751.994476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9751.994476][ T3767] ___sys_sendmsg+0xee/0x170 [ 9751.994476][ T3767] __sys_sendmsg+0xcd/0x170 [ 9751.994476][ T3767] do_syscall_64+0xc6/0x1e0 [ 9751.994476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.994476][ T3767] [ 9751.996681][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9751.996681][ T3767] netdev_get_by_index+0x5e/0x80 [ 9751.996681][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9751.996681][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9751.996681][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9751.996681][ T3767] ipv6_add_addr+0x411/0x2000 [ 9751.996681][ T3767] inet6_addr_add+0x30e/0xa40 [ 9751.996681][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.996681][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.996681][ T3767] netlink_rcv_skb+0x130/0x360 [ 9751.996681][ T3767] netlink_unicast+0x449/0x710 [ 9751.996681][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9751.996681][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9751.996681][ T3767] ___sys_sendmsg+0xee/0x170 [ 9751.996681][ T3767] __sys_sendmsg+0xcd/0x170 [ 9751.996681][ T3767] do_syscall_64+0xc6/0x1e0 [ 9751.996681][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9751.996681][ T3767] [ 9751.998889][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9751.998889][ T3767] netdev_get_by_index+0x5e/0x80 [ 9751.998889][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9751.998889][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9751.998889][ T3767] ip6_route_add+0x1c/0x140 [ 9751.998889][ T3767] addrconf_add_mroute+0x129/0x180 [ 9751.998889][ T3767] addrconf_add_dev+0xe2/0x170 [ 9751.998889][ T3767] inet6_addr_add+0x12f/0xa40 [ 9751.998889][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9751.998889][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9751.998889][ T3767] netlink_rcv_skb+0x130/0x360 [ 9751.998889][ T3767] netlink_unicast+0x449/0x710 [ 9751.998889][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9751.998889][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9751.998889][ T3767] ___sys_sendmsg+0xee/0x170 [ 9751.998889][ T3767] __sys_sendmsg+0xcd/0x170 [ 9751.998889][ T3767] do_syscall_64+0xc6/0x1e0 [ 9751.998889][ T3767] [ 9752.001082][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9752.001082][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9752.001082][ T3767] ipv6_find_idev+0x102/0x170 [ 9752.001082][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9752.001082][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9752.001082][ T3767] netlink_rcv_skb+0x130/0x360 [ 9752.001082][ T3767] netlink_unicast+0x449/0x710 [ 9752.001082][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9752.001082][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9752.001082][ T3767] ___sys_sendmsg+0xee/0x170 [ 9752.001082][ T3767] __sys_sendmsg+0xcd/0x170 [ 9752.001082][ T3767] do_syscall_64+0xc6/0x1e0 [ 9752.001082][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9752.001082][ T3767] [ 9752.002777][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9752.002777][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9752.002777][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9752.002777][ T3767] ipv6_find_idev+0x102/0x170 [ 9752.002777][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9752.002777][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9752.002777][ T3767] netlink_rcv_skb+0x130/0x360 [ 9752.002777][ T3767] netlink_unicast+0x449/0x710 [ 9752.002777][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9752.002777][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9752.002777][ T3767] ___sys_sendmsg+0xee/0x170 [ 9752.002777][ T3767] __sys_sendmsg+0xcd/0x170 [ 9752.002777][ T3767] do_syscall_64+0xc6/0x1e0 [ 9752.002777][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9752.002777][ T3767] [ 9762.239938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9762.240402][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9762.240402][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9762.240402][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9762.240402][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9762.240402][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9762.240402][ T3767] ip6_route_add+0x1c/0x140 [ 9762.240402][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9762.240402][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.240402][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.240402][ T3767] netlink_unicast+0x449/0x710 [ 9762.240402][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.240402][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.240402][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.240402][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.240402][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.240402][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9762.240402][ T3767] [ 9762.242528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9762.242528][ T3767] netdev_get_by_index+0x5e/0x80 [ 9762.242528][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9762.242528][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9762.242528][ T3767] ip6_route_add+0x1c/0x140 [ 9762.242528][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9762.242528][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9762.242528][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9762.242528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.242528][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.242528][ T3767] netlink_unicast+0x449/0x710 [ 9762.242528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.242528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.242528][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.242528][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.242528][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.242528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9762.242528][ T3767] [ 9762.245219][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9762.245219][ T3767] netdev_get_by_index+0x5e/0x80 [ 9762.245219][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9762.245219][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9762.245219][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9762.245219][ T3767] ipv6_add_addr+0x411/0x2000 [ 9762.245219][ T3767] inet6_addr_add+0x30e/0xa40 [ 9762.245219][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9762.245219][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.245219][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.245219][ T3767] netlink_unicast+0x449/0x710 [ 9762.245219][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.245219][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.245219][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.245219][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.245219][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.245219][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9762.245219][ T3767] [ 9762.247426][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9762.247426][ T3767] netdev_get_by_index+0x5e/0x80 [ 9762.247426][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9762.247426][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9762.247426][ T3767] ip6_route_add+0x1c/0x140 [ 9762.247426][ T3767] addrconf_add_mroute+0x129/0x180 [ 9762.247426][ T3767] addrconf_add_dev+0xe2/0x170 [ 9762.247426][ T3767] inet6_addr_add+0x12f/0xa40 [ 9762.247426][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9762.247426][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.247426][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.247426][ T3767] netlink_unicast+0x449/0x710 [ 9762.247426][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.247426][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.247426][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.247426][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.247426][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.247426][ T3767] [ 9762.250698][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9762.250698][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9762.250698][ T3767] ipv6_find_idev+0x102/0x170 [ 9762.250698][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9762.250698][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.250698][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.250698][ T3767] netlink_unicast+0x449/0x710 [ 9762.250698][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.250698][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.250698][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.250698][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.250698][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.250698][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9762.250698][ T3767] [ 9762.253456][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9762.253456][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9762.253456][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9762.253456][ T3767] ipv6_find_idev+0x102/0x170 [ 9762.253456][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9762.253456][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9762.253456][ T3767] netlink_rcv_skb+0x130/0x360 [ 9762.253456][ T3767] netlink_unicast+0x449/0x710 [ 9762.253456][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9762.253456][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9762.253456][ T3767] ___sys_sendmsg+0xee/0x170 [ 9762.253456][ T3767] __sys_sendmsg+0xcd/0x170 [ 9762.253456][ T3767] do_syscall_64+0xc6/0x1e0 [ 9762.253456][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9762.253456][ T3767] [ 9772.495937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9772.496422][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9772.496422][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9772.496422][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9772.496422][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9772.496422][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9772.496422][ T3767] ip6_route_add+0x1c/0x140 [ 9772.496422][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9772.496422][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.496422][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.496422][ T3767] netlink_unicast+0x449/0x710 [ 9772.496422][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.496422][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.496422][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.496422][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.496422][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.496422][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.496422][ T3767] [ 9772.498519][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9772.498519][ T3767] netdev_get_by_index+0x5e/0x80 [ 9772.498519][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9772.498519][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9772.498519][ T3767] ip6_route_add+0x1c/0x140 [ 9772.498519][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9772.498519][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9772.498519][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.498519][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.498519][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.498519][ T3767] netlink_unicast+0x449/0x710 [ 9772.498519][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.498519][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.498519][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.498519][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.498519][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.498519][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.498519][ T3767] [ 9772.500737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9772.500737][ T3767] netdev_get_by_index+0x5e/0x80 [ 9772.500737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9772.500737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9772.500737][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9772.500737][ T3767] ipv6_add_addr+0x411/0x2000 [ 9772.500737][ T3767] inet6_addr_add+0x30e/0xa40 [ 9772.500737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.500737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.500737][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.500737][ T3767] netlink_unicast+0x449/0x710 [ 9772.500737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.500737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.500737][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.500737][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.500737][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.500737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.500737][ T3767] [ 9772.502942][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9772.502942][ T3767] netdev_get_by_index+0x5e/0x80 [ 9772.502942][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9772.502942][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9772.502942][ T3767] ip6_route_add+0x1c/0x140 [ 9772.502942][ T3767] addrconf_add_mroute+0x129/0x180 [ 9772.502942][ T3767] addrconf_add_dev+0xe2/0x170 [ 9772.502942][ T3767] inet6_addr_add+0x12f/0xa40 [ 9772.502942][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9772.502942][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.502942][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.502942][ T3767] netlink_unicast+0x449/0x710 [ 9772.502942][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.502942][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.502942][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.502942][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.502942][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.502942][ T3767] [ 9772.505125][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9772.505125][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9772.505125][ T3767] ipv6_find_idev+0x102/0x170 [ 9772.505125][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.505125][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.505125][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.505125][ T3767] netlink_unicast+0x449/0x710 [ 9772.505125][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.505125][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.505125][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.505125][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.505125][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.505125][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.505125][ T3767] [ 9772.506820][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9772.506820][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9772.506820][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9772.506820][ T3767] ipv6_find_idev+0x102/0x170 [ 9772.506820][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9772.506820][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9772.506820][ T3767] netlink_rcv_skb+0x130/0x360 [ 9772.506820][ T3767] netlink_unicast+0x449/0x710 [ 9772.506820][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9772.506820][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9772.506820][ T3767] ___sys_sendmsg+0xee/0x170 [ 9772.506820][ T3767] __sys_sendmsg+0xcd/0x170 [ 9772.506820][ T3767] do_syscall_64+0xc6/0x1e0 [ 9772.506820][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9772.506820][ T3767] [ 9782.743953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9782.744428][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9782.744428][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9782.744428][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9782.744428][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9782.744428][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9782.744428][ T3767] ip6_route_add+0x1c/0x140 [ 9782.744428][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9782.744428][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.744428][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.744428][ T3767] netlink_unicast+0x449/0x710 [ 9782.744428][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.744428][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.744428][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.744428][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.744428][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.744428][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.744428][ T3767] [ 9782.746900][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9782.746900][ T3767] netdev_get_by_index+0x5e/0x80 [ 9782.746900][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9782.746900][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9782.746900][ T3767] ip6_route_add+0x1c/0x140 [ 9782.746900][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9782.746900][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9782.746900][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.746900][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.746900][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.746900][ T3767] netlink_unicast+0x449/0x710 [ 9782.746900][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.746900][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.746900][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.746900][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.746900][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.746900][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.746900][ T3767] [ 9782.749099][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9782.749099][ T3767] netdev_get_by_index+0x5e/0x80 [ 9782.749099][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9782.749099][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9782.749099][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9782.749099][ T3767] ipv6_add_addr+0x411/0x2000 [ 9782.749099][ T3767] inet6_addr_add+0x30e/0xa40 [ 9782.749099][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.749099][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.749099][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.749099][ T3767] netlink_unicast+0x449/0x710 [ 9782.749099][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.749099][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.749099][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.749099][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.749099][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.749099][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.749099][ T3767] [ 9782.751307][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9782.751307][ T3767] netdev_get_by_index+0x5e/0x80 [ 9782.751307][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9782.751307][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9782.751307][ T3767] ip6_route_add+0x1c/0x140 [ 9782.751307][ T3767] addrconf_add_mroute+0x129/0x180 [ 9782.751307][ T3767] addrconf_add_dev+0xe2/0x170 [ 9782.751307][ T3767] inet6_addr_add+0x12f/0xa40 [ 9782.751307][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9782.751307][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.751307][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.751307][ T3767] netlink_unicast+0x449/0x710 [ 9782.751307][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.751307][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.751307][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.751307][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.751307][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.751307][ T3767] [ 9782.753457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9782.753457][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9782.753457][ T3767] ipv6_find_idev+0x102/0x170 [ 9782.753457][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.753457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.753457][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.753457][ T3767] netlink_unicast+0x449/0x710 [ 9782.753457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.753457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.753457][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.753457][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.753457][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.753457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.753457][ T3767] [ 9782.755145][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9782.755145][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9782.755145][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9782.755145][ T3767] ipv6_find_idev+0x102/0x170 [ 9782.755145][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9782.755145][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9782.755145][ T3767] netlink_rcv_skb+0x130/0x360 [ 9782.755145][ T3767] netlink_unicast+0x449/0x710 [ 9782.755145][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9782.755145][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9782.755145][ T3767] ___sys_sendmsg+0xee/0x170 [ 9782.755145][ T3767] __sys_sendmsg+0xcd/0x170 [ 9782.755145][ T3767] do_syscall_64+0xc6/0x1e0 [ 9782.755145][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9782.755145][ T3767] [ 9792.999936][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9793.000396][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9793.000396][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9793.000396][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9793.000396][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9793.000396][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9793.000396][ T3767] ip6_route_add+0x1c/0x140 [ 9793.000396][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9793.000396][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.000396][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.000396][ T3767] netlink_unicast+0x449/0x710 [ 9793.000396][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.000396][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.000396][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.000396][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.000396][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.000396][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9793.000396][ T3767] [ 9793.002534][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9793.002534][ T3767] netdev_get_by_index+0x5e/0x80 [ 9793.002534][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9793.002534][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9793.002534][ T3767] ip6_route_add+0x1c/0x140 [ 9793.002534][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9793.002534][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9793.002534][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9793.002534][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.002534][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.002534][ T3767] netlink_unicast+0x449/0x710 [ 9793.002534][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.002534][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.002534][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.002534][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.002534][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.002534][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9793.002534][ T3767] [ 9793.004723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9793.004723][ T3767] netdev_get_by_index+0x5e/0x80 [ 9793.004723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9793.004723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9793.004723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9793.004723][ T3767] ipv6_add_addr+0x411/0x2000 [ 9793.004723][ T3767] inet6_addr_add+0x30e/0xa40 [ 9793.004723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9793.004723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.004723][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.004723][ T3767] netlink_unicast+0x449/0x710 [ 9793.004723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.004723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.004723][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.004723][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.004723][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.004723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9793.004723][ T3767] [ 9793.006907][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9793.006907][ T3767] netdev_get_by_index+0x5e/0x80 [ 9793.006907][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9793.006907][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9793.006907][ T3767] ip6_route_add+0x1c/0x140 [ 9793.006907][ T3767] addrconf_add_mroute+0x129/0x180 [ 9793.006907][ T3767] addrconf_add_dev+0xe2/0x170 [ 9793.006907][ T3767] inet6_addr_add+0x12f/0xa40 [ 9793.006907][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9793.006907][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.006907][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.006907][ T3767] netlink_unicast+0x449/0x710 [ 9793.006907][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.006907][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.006907][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.006907][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.006907][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.006907][ T3767] [ 9793.009068][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9793.009068][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9793.009068][ T3767] ipv6_find_idev+0x102/0x170 [ 9793.009068][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9793.009068][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.009068][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.009068][ T3767] netlink_unicast+0x449/0x710 [ 9793.009068][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.009068][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.009068][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.009068][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.009068][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.009068][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9793.009068][ T3767] [ 9793.010754][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9793.010754][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9793.010754][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9793.010754][ T3767] ipv6_find_idev+0x102/0x170 [ 9793.010754][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9793.010754][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9793.010754][ T3767] netlink_rcv_skb+0x130/0x360 [ 9793.010754][ T3767] netlink_unicast+0x449/0x710 [ 9793.010754][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9793.010754][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9793.010754][ T3767] ___sys_sendmsg+0xee/0x170 [ 9793.010754][ T3767] __sys_sendmsg+0xcd/0x170 [ 9793.010754][ T3767] do_syscall_64+0xc6/0x1e0 [ 9793.010754][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9793.010754][ T3767] [ 9803.247934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9803.248337][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9803.248337][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9803.248337][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9803.248337][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9803.248337][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9803.248337][ T3767] ip6_route_add+0x1c/0x140 [ 9803.248337][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9803.248337][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.248337][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.248337][ T3767] netlink_unicast+0x449/0x710 [ 9803.248337][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.248337][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.248337][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.248337][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.248337][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.248337][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9803.248337][ T3767] [ 9803.250460][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9803.250460][ T3767] netdev_get_by_index+0x5e/0x80 [ 9803.250460][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9803.250460][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9803.250460][ T3767] ip6_route_add+0x1c/0x140 [ 9803.250460][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9803.250460][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9803.250460][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9803.250460][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.250460][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.250460][ T3767] netlink_unicast+0x449/0x710 [ 9803.250460][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.250460][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.250460][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.250460][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.250460][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.250460][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9803.250460][ T3767] [ 9803.252677][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9803.252677][ T3767] netdev_get_by_index+0x5e/0x80 [ 9803.252677][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9803.252677][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9803.252677][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9803.252677][ T3767] ipv6_add_addr+0x411/0x2000 [ 9803.252677][ T3767] inet6_addr_add+0x30e/0xa40 [ 9803.252677][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9803.252677][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.252677][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.252677][ T3767] netlink_unicast+0x449/0x710 [ 9803.252677][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.252677][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.252677][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.252677][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.252677][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.252677][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9803.252677][ T3767] [ 9803.255352][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9803.255352][ T3767] netdev_get_by_index+0x5e/0x80 [ 9803.255352][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9803.255352][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9803.255352][ T3767] ip6_route_add+0x1c/0x140 [ 9803.255352][ T3767] addrconf_add_mroute+0x129/0x180 [ 9803.255352][ T3767] addrconf_add_dev+0xe2/0x170 [ 9803.255352][ T3767] inet6_addr_add+0x12f/0xa40 [ 9803.255352][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9803.255352][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.255352][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.255352][ T3767] netlink_unicast+0x449/0x710 [ 9803.255352][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.255352][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.255352][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.255352][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.255352][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.255352][ T3767] [ 9803.257512][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9803.257512][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9803.257512][ T3767] ipv6_find_idev+0x102/0x170 [ 9803.257512][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9803.257512][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.257512][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.257512][ T3767] netlink_unicast+0x449/0x710 [ 9803.257512][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.257512][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.257512][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.257512][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.257512][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.257512][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9803.257512][ T3767] [ 9803.259200][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9803.259200][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9803.259200][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9803.259200][ T3767] ipv6_find_idev+0x102/0x170 [ 9803.259200][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9803.259200][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9803.259200][ T3767] netlink_rcv_skb+0x130/0x360 [ 9803.259200][ T3767] netlink_unicast+0x449/0x710 [ 9803.259200][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9803.259200][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9803.259200][ T3767] ___sys_sendmsg+0xee/0x170 [ 9803.259200][ T3767] __sys_sendmsg+0xcd/0x170 [ 9803.259200][ T3767] do_syscall_64+0xc6/0x1e0 [ 9803.259200][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9803.259200][ T3767] [ 9813.503938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9813.504420][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9813.504420][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9813.504420][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9813.504420][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9813.504420][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9813.504420][ T3767] ip6_route_add+0x1c/0x140 [ 9813.504420][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9813.504420][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.504420][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.504420][ T3767] netlink_unicast+0x449/0x710 [ 9813.504420][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.504420][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.504420][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.504420][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.504420][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.504420][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.504420][ T3767] [ 9813.506514][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9813.506514][ T3767] netdev_get_by_index+0x5e/0x80 [ 9813.506514][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9813.506514][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9813.506514][ T3767] ip6_route_add+0x1c/0x140 [ 9813.506514][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9813.506514][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9813.506514][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.506514][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.506514][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.506514][ T3767] netlink_unicast+0x449/0x710 [ 9813.506514][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.506514][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.506514][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.506514][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.506514][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.506514][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.506514][ T3767] [ 9813.508733][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9813.508733][ T3767] netdev_get_by_index+0x5e/0x80 [ 9813.508733][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9813.508733][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9813.508733][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9813.508733][ T3767] ipv6_add_addr+0x411/0x2000 [ 9813.508733][ T3767] inet6_addr_add+0x30e/0xa40 [ 9813.508733][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.508733][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.508733][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.508733][ T3767] netlink_unicast+0x449/0x710 [ 9813.508733][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.508733][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.508733][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.508733][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.508733][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.508733][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.508733][ T3767] [ 9813.510937][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9813.510937][ T3767] netdev_get_by_index+0x5e/0x80 [ 9813.510937][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9813.510937][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9813.510937][ T3767] ip6_route_add+0x1c/0x140 [ 9813.510937][ T3767] addrconf_add_mroute+0x129/0x180 [ 9813.510937][ T3767] addrconf_add_dev+0xe2/0x170 [ 9813.510937][ T3767] inet6_addr_add+0x12f/0xa40 [ 9813.510937][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9813.510937][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.510937][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.510937][ T3767] netlink_unicast+0x449/0x710 [ 9813.510937][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.510937][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.510937][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.510937][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.510937][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.510937][ T3767] [ 9813.513109][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9813.513109][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9813.513109][ T3767] ipv6_find_idev+0x102/0x170 [ 9813.513109][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.513109][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.513109][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.513109][ T3767] netlink_unicast+0x449/0x710 [ 9813.513109][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.513109][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.513109][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.513109][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.513109][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.513109][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.513109][ T3767] [ 9813.514813][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9813.514813][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9813.514813][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9813.514813][ T3767] ipv6_find_idev+0x102/0x170 [ 9813.514813][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9813.514813][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9813.514813][ T3767] netlink_rcv_skb+0x130/0x360 [ 9813.514813][ T3767] netlink_unicast+0x449/0x710 [ 9813.514813][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9813.514813][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9813.514813][ T3767] ___sys_sendmsg+0xee/0x170 [ 9813.514813][ T3767] __sys_sendmsg+0xcd/0x170 [ 9813.514813][ T3767] do_syscall_64+0xc6/0x1e0 [ 9813.514813][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9813.514813][ T3767] [ 9823.639937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9823.640414][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9823.640414][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9823.640414][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9823.640414][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9823.640414][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9823.640414][ T3767] ip6_route_add+0x1c/0x140 [ 9823.640414][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9823.640414][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.640414][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.640414][ T3767] netlink_unicast+0x449/0x710 [ 9823.640414][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.640414][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.640414][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.640414][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.640414][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.640414][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.640414][ T3767] [ 9823.642533][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9823.642533][ T3767] netdev_get_by_index+0x5e/0x80 [ 9823.642533][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9823.642533][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9823.642533][ T3767] ip6_route_add+0x1c/0x140 [ 9823.642533][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9823.642533][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9823.642533][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.642533][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.642533][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.642533][ T3767] netlink_unicast+0x449/0x710 [ 9823.642533][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.642533][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.642533][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.642533][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.642533][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.642533][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.642533][ T3767] [ 9823.644732][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9823.644732][ T3767] netdev_get_by_index+0x5e/0x80 [ 9823.644732][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9823.644732][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9823.644732][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9823.644732][ T3767] ipv6_add_addr+0x411/0x2000 [ 9823.644732][ T3767] inet6_addr_add+0x30e/0xa40 [ 9823.644732][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.644732][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.644732][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.644732][ T3767] netlink_unicast+0x449/0x710 [ 9823.644732][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.644732][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.644732][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.644732][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.644732][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.644732][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.644732][ T3767] [ 9823.646953][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9823.646953][ T3767] netdev_get_by_index+0x5e/0x80 [ 9823.646953][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9823.646953][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9823.646953][ T3767] ip6_route_add+0x1c/0x140 [ 9823.646953][ T3767] addrconf_add_mroute+0x129/0x180 [ 9823.646953][ T3767] addrconf_add_dev+0xe2/0x170 [ 9823.646953][ T3767] inet6_addr_add+0x12f/0xa40 [ 9823.646953][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9823.646953][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.646953][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.646953][ T3767] netlink_unicast+0x449/0x710 [ 9823.646953][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.646953][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.646953][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.646953][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.646953][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.646953][ T3767] [ 9823.649109][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9823.649109][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9823.649109][ T3767] ipv6_find_idev+0x102/0x170 [ 9823.649109][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.649109][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.649109][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.649109][ T3767] netlink_unicast+0x449/0x710 [ 9823.649109][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.649109][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.649109][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.649109][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.649109][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.649109][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.649109][ T3767] [ 9823.650807][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9823.650807][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9823.650807][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9823.650807][ T3767] ipv6_find_idev+0x102/0x170 [ 9823.650807][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9823.650807][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9823.650807][ T3767] netlink_rcv_skb+0x130/0x360 [ 9823.650807][ T3767] netlink_unicast+0x449/0x710 [ 9823.650807][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9823.650807][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9823.650807][ T3767] ___sys_sendmsg+0xee/0x170 [ 9823.650807][ T3767] __sys_sendmsg+0xcd/0x170 [ 9823.650807][ T3767] do_syscall_64+0xc6/0x1e0 [ 9823.650807][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9823.650807][ T3767] [ 9833.887878][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9833.888334][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9833.888334][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9833.888334][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9833.888334][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9833.888334][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9833.888334][ T3767] ip6_route_add+0x1c/0x140 [ 9833.888334][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9833.888334][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.888334][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.888334][ T3767] netlink_unicast+0x449/0x710 [ 9833.888334][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.888334][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.888334][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.888334][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.888334][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.888334][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.888334][ T3767] [ 9833.890403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9833.890403][ T3767] netdev_get_by_index+0x5e/0x80 [ 9833.890403][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9833.890403][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9833.890403][ T3767] ip6_route_add+0x1c/0x140 [ 9833.890403][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9833.890403][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9833.890403][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.890403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.890403][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.890403][ T3767] netlink_unicast+0x449/0x710 [ 9833.890403][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.890403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.890403][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.890403][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.890403][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.890403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.890403][ T3767] [ 9833.892606][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9833.892606][ T3767] netdev_get_by_index+0x5e/0x80 [ 9833.892606][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9833.892606][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9833.892606][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9833.892606][ T3767] ipv6_add_addr+0x411/0x2000 [ 9833.892606][ T3767] inet6_addr_add+0x30e/0xa40 [ 9833.892606][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.892606][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.892606][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.892606][ T3767] netlink_unicast+0x449/0x710 [ 9833.892606][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.892606][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.892606][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.892606][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.892606][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.892606][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.892606][ T3767] [ 9833.894789][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9833.894789][ T3767] netdev_get_by_index+0x5e/0x80 [ 9833.894789][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9833.894789][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9833.894789][ T3767] ip6_route_add+0x1c/0x140 [ 9833.894789][ T3767] addrconf_add_mroute+0x129/0x180 [ 9833.894789][ T3767] addrconf_add_dev+0xe2/0x170 [ 9833.894789][ T3767] inet6_addr_add+0x12f/0xa40 [ 9833.894789][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9833.894789][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.894789][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.894789][ T3767] netlink_unicast+0x449/0x710 [ 9833.894789][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.894789][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.894789][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.894789][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.894789][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.894789][ T3767] [ 9833.896934][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9833.896934][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9833.896934][ T3767] ipv6_find_idev+0x102/0x170 [ 9833.896934][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.896934][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.896934][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.896934][ T3767] netlink_unicast+0x449/0x710 [ 9833.896934][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.896934][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.896934][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.896934][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.896934][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.896934][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.896934][ T3767] [ 9833.898612][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9833.898612][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9833.898612][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9833.898612][ T3767] ipv6_find_idev+0x102/0x170 [ 9833.898612][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9833.898612][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9833.898612][ T3767] netlink_rcv_skb+0x130/0x360 [ 9833.898612][ T3767] netlink_unicast+0x449/0x710 [ 9833.898612][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9833.898612][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9833.898612][ T3767] ___sys_sendmsg+0xee/0x170 [ 9833.898612][ T3767] __sys_sendmsg+0xcd/0x170 [ 9833.898612][ T3767] do_syscall_64+0xc6/0x1e0 [ 9833.898612][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9833.898612][ T3767] [ 9844.151952][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9844.152457][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9844.152457][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9844.152457][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9844.152457][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9844.152457][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9844.152457][ T3767] ip6_route_add+0x1c/0x140 [ 9844.152457][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9844.152457][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.152457][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.152457][ T3767] netlink_unicast+0x449/0x710 [ 9844.152457][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.152457][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.152457][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.152457][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.152457][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.152457][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9844.152457][ T3767] [ 9844.154570][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9844.154570][ T3767] netdev_get_by_index+0x5e/0x80 [ 9844.154570][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9844.154570][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9844.154570][ T3767] ip6_route_add+0x1c/0x140 [ 9844.154570][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9844.154570][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9844.154570][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9844.154570][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.154570][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.154570][ T3767] netlink_unicast+0x449/0x710 [ 9844.154570][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.154570][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.154570][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.154570][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.154570][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.154570][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9844.154570][ T3767] [ 9844.156775][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9844.156775][ T3767] netdev_get_by_index+0x5e/0x80 [ 9844.156775][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9844.156775][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9844.156775][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9844.156775][ T3767] ipv6_add_addr+0x411/0x2000 [ 9844.156775][ T3767] inet6_addr_add+0x30e/0xa40 [ 9844.156775][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9844.156775][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.156775][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.156775][ T3767] netlink_unicast+0x449/0x710 [ 9844.156775][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.156775][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.156775][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.156775][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.156775][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.156775][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9844.156775][ T3767] [ 9844.158969][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9844.158969][ T3767] netdev_get_by_index+0x5e/0x80 [ 9844.158969][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9844.158969][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9844.158969][ T3767] ip6_route_add+0x1c/0x140 [ 9844.158969][ T3767] addrconf_add_mroute+0x129/0x180 [ 9844.158969][ T3767] addrconf_add_dev+0xe2/0x170 [ 9844.158969][ T3767] inet6_addr_add+0x12f/0xa40 [ 9844.158969][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9844.158969][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.158969][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.158969][ T3767] netlink_unicast+0x449/0x710 [ 9844.158969][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.158969][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.158969][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.158969][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.158969][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.158969][ T3767] [ 9844.161149][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9844.161149][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9844.161149][ T3767] ipv6_find_idev+0x102/0x170 [ 9844.161149][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9844.161149][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.161149][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.161149][ T3767] netlink_unicast+0x449/0x710 [ 9844.161149][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.161149][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.161149][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.161149][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.161149][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.161149][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9844.161149][ T3767] [ 9844.162892][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9844.162892][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9844.162892][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9844.162892][ T3767] ipv6_find_idev+0x102/0x170 [ 9844.162892][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9844.162892][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9844.162892][ T3767] netlink_rcv_skb+0x130/0x360 [ 9844.162892][ T3767] netlink_unicast+0x449/0x710 [ 9844.162892][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9844.162892][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9844.162892][ T3767] ___sys_sendmsg+0xee/0x170 [ 9844.162892][ T3767] __sys_sendmsg+0xcd/0x170 [ 9844.162892][ T3767] do_syscall_64+0xc6/0x1e0 [ 9844.162892][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9844.162892][ T3767] [ 9854.399942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9854.400400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9854.400400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9854.400400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9854.400400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9854.400400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9854.400400][ T3767] ip6_route_add+0x1c/0x140 [ 9854.400400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9854.400400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.400400][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.400400][ T3767] netlink_unicast+0x449/0x710 [ 9854.400400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.400400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.400400][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.400400][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.400400][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.400400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9854.400400][ T3767] [ 9854.402528][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9854.402528][ T3767] netdev_get_by_index+0x5e/0x80 [ 9854.402528][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9854.402528][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9854.402528][ T3767] ip6_route_add+0x1c/0x140 [ 9854.402528][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9854.402528][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9854.402528][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9854.402528][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.402528][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.402528][ T3767] netlink_unicast+0x449/0x710 [ 9854.402528][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.402528][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.402528][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.402528][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.402528][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.402528][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9854.402528][ T3767] [ 9854.404737][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9854.404737][ T3767] netdev_get_by_index+0x5e/0x80 [ 9854.404737][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9854.404737][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9854.404737][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9854.404737][ T3767] ipv6_add_addr+0x411/0x2000 [ 9854.404737][ T3767] inet6_addr_add+0x30e/0xa40 [ 9854.404737][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9854.404737][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.404737][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.404737][ T3767] netlink_unicast+0x449/0x710 [ 9854.404737][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.404737][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.404737][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.404737][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.404737][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.404737][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9854.404737][ T3767] [ 9854.406939][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9854.406939][ T3767] netdev_get_by_index+0x5e/0x80 [ 9854.406939][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9854.406939][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9854.406939][ T3767] ip6_route_add+0x1c/0x140 [ 9854.406939][ T3767] addrconf_add_mroute+0x129/0x180 [ 9854.406939][ T3767] addrconf_add_dev+0xe2/0x170 [ 9854.406939][ T3767] inet6_addr_add+0x12f/0xa40 [ 9854.406939][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9854.406939][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.406939][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.406939][ T3767] netlink_unicast+0x449/0x710 [ 9854.406939][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.406939][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.406939][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.406939][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.406939][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.406939][ T3767] [ 9854.409108][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9854.409108][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9854.409108][ T3767] ipv6_find_idev+0x102/0x170 [ 9854.409108][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9854.409108][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.409108][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.409108][ T3767] netlink_unicast+0x449/0x710 [ 9854.409108][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.409108][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.409108][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.409108][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.409108][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.409108][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9854.409108][ T3767] [ 9854.410819][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9854.410819][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9854.410819][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9854.410819][ T3767] ipv6_find_idev+0x102/0x170 [ 9854.410819][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9854.410819][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9854.410819][ T3767] netlink_rcv_skb+0x130/0x360 [ 9854.410819][ T3767] netlink_unicast+0x449/0x710 [ 9854.410819][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9854.410819][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9854.410819][ T3767] ___sys_sendmsg+0xee/0x170 [ 9854.410819][ T3767] __sys_sendmsg+0xcd/0x170 [ 9854.410819][ T3767] do_syscall_64+0xc6/0x1e0 [ 9854.410819][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9854.410819][ T3767] [ 9864.455934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9864.456377][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9864.456377][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9864.456377][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9864.456377][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9864.456377][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9864.456377][ T3767] ip6_route_add+0x1c/0x140 [ 9864.456377][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9864.456377][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.456377][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.456377][ T3767] netlink_unicast+0x449/0x710 [ 9864.456377][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.456377][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.456377][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.456377][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.456377][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.456377][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.456377][ T3767] [ 9864.458476][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9864.458476][ T3767] netdev_get_by_index+0x5e/0x80 [ 9864.458476][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9864.458476][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9864.458476][ T3767] ip6_route_add+0x1c/0x140 [ 9864.458476][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9864.458476][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9864.458476][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.458476][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.458476][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.458476][ T3767] netlink_unicast+0x449/0x710 [ 9864.458476][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.458476][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.458476][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.458476][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.458476][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.458476][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.458476][ T3767] [ 9864.460693][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9864.460693][ T3767] netdev_get_by_index+0x5e/0x80 [ 9864.460693][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9864.460693][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9864.460693][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9864.460693][ T3767] ipv6_add_addr+0x411/0x2000 [ 9864.460693][ T3767] inet6_addr_add+0x30e/0xa40 [ 9864.460693][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.460693][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.460693][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.460693][ T3767] netlink_unicast+0x449/0x710 [ 9864.460693][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.460693][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.460693][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.460693][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.460693][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.460693][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.460693][ T3767] [ 9864.462897][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9864.462897][ T3767] netdev_get_by_index+0x5e/0x80 [ 9864.462897][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9864.462897][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9864.462897][ T3767] ip6_route_add+0x1c/0x140 [ 9864.462897][ T3767] addrconf_add_mroute+0x129/0x180 [ 9864.462897][ T3767] addrconf_add_dev+0xe2/0x170 [ 9864.462897][ T3767] inet6_addr_add+0x12f/0xa40 [ 9864.462897][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9864.462897][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.462897][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.462897][ T3767] netlink_unicast+0x449/0x710 [ 9864.462897][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.462897][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.462897][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.462897][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.462897][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.462897][ T3767] [ 9864.465061][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9864.465061][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9864.465061][ T3767] ipv6_find_idev+0x102/0x170 [ 9864.465061][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.465061][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.465061][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.465061][ T3767] netlink_unicast+0x449/0x710 [ 9864.465061][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.465061][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.465061][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.465061][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.465061][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.465061][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.465061][ T3767] [ 9864.466759][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9864.466759][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9864.466759][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9864.466759][ T3767] ipv6_find_idev+0x102/0x170 [ 9864.466759][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9864.466759][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9864.466759][ T3767] netlink_rcv_skb+0x130/0x360 [ 9864.466759][ T3767] netlink_unicast+0x449/0x710 [ 9864.466759][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9864.466759][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9864.466759][ T3767] ___sys_sendmsg+0xee/0x170 [ 9864.466759][ T3767] __sys_sendmsg+0xcd/0x170 [ 9864.466759][ T3767] do_syscall_64+0xc6/0x1e0 [ 9864.466759][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9864.466759][ T3767] [ 9874.663937][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9874.664344][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9874.664344][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9874.664344][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9874.664344][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9874.664344][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9874.664344][ T3767] ip6_route_add+0x1c/0x140 [ 9874.664344][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9874.664344][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.664344][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.664344][ T3767] netlink_unicast+0x449/0x710 [ 9874.664344][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.664344][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.664344][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.664344][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.664344][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.664344][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.664344][ T3767] [ 9874.666416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9874.666416][ T3767] netdev_get_by_index+0x5e/0x80 [ 9874.666416][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9874.666416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9874.666416][ T3767] ip6_route_add+0x1c/0x140 [ 9874.666416][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9874.666416][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9874.666416][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.666416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.666416][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.666416][ T3767] netlink_unicast+0x449/0x710 [ 9874.666416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.666416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.666416][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.666416][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.666416][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.666416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.666416][ T3767] [ 9874.668603][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9874.668603][ T3767] netdev_get_by_index+0x5e/0x80 [ 9874.668603][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9874.668603][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9874.668603][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9874.668603][ T3767] ipv6_add_addr+0x411/0x2000 [ 9874.668603][ T3767] inet6_addr_add+0x30e/0xa40 [ 9874.668603][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.668603][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.668603][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.668603][ T3767] netlink_unicast+0x449/0x710 [ 9874.668603][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.668603][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.668603][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.668603][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.668603][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.668603][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.668603][ T3767] [ 9874.670809][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9874.670809][ T3767] netdev_get_by_index+0x5e/0x80 [ 9874.670809][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9874.670809][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9874.670809][ T3767] ip6_route_add+0x1c/0x140 [ 9874.670809][ T3767] addrconf_add_mroute+0x129/0x180 [ 9874.670809][ T3767] addrconf_add_dev+0xe2/0x170 [ 9874.670809][ T3767] inet6_addr_add+0x12f/0xa40 [ 9874.670809][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9874.670809][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.670809][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.670809][ T3767] netlink_unicast+0x449/0x710 [ 9874.670809][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.670809][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.670809][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.670809][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.670809][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.670809][ T3767] [ 9874.672981][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9874.672981][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9874.672981][ T3767] ipv6_find_idev+0x102/0x170 [ 9874.672981][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.672981][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.672981][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.672981][ T3767] netlink_unicast+0x449/0x710 [ 9874.672981][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.672981][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.672981][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.672981][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.672981][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.672981][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.672981][ T3767] [ 9874.674677][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9874.674677][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9874.674677][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9874.674677][ T3767] ipv6_find_idev+0x102/0x170 [ 9874.674677][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9874.674677][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9874.674677][ T3767] netlink_rcv_skb+0x130/0x360 [ 9874.674677][ T3767] netlink_unicast+0x449/0x710 [ 9874.674677][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9874.674677][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9874.674677][ T3767] ___sys_sendmsg+0xee/0x170 [ 9874.674677][ T3767] __sys_sendmsg+0xcd/0x170 [ 9874.674677][ T3767] do_syscall_64+0xc6/0x1e0 [ 9874.674677][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9874.674677][ T3767] [ 9884.679961][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9884.680439][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9884.680439][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9884.680439][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9884.680439][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9884.680439][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9884.680439][ T3767] ip6_route_add+0x1c/0x140 [ 9884.680439][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9884.680439][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.680439][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.680439][ T3767] netlink_unicast+0x449/0x710 [ 9884.680439][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.680439][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.680439][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.680439][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.680439][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.680439][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.680439][ T3767] [ 9884.682530][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9884.682530][ T3767] netdev_get_by_index+0x5e/0x80 [ 9884.682530][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9884.682530][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9884.682530][ T3767] ip6_route_add+0x1c/0x140 [ 9884.682530][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9884.682530][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9884.682530][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.682530][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.682530][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.682530][ T3767] netlink_unicast+0x449/0x710 [ 9884.682530][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.682530][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.682530][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.682530][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.682530][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.682530][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.682530][ T3767] [ 9884.684723][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9884.684723][ T3767] netdev_get_by_index+0x5e/0x80 [ 9884.684723][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9884.684723][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9884.684723][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9884.684723][ T3767] ipv6_add_addr+0x411/0x2000 [ 9884.684723][ T3767] inet6_addr_add+0x30e/0xa40 [ 9884.684723][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.684723][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.684723][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.684723][ T3767] netlink_unicast+0x449/0x710 [ 9884.684723][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.684723][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.684723][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.684723][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.684723][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.684723][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.684723][ T3767] [ 9884.686896][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9884.686896][ T3767] netdev_get_by_index+0x5e/0x80 [ 9884.686896][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9884.686896][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9884.686896][ T3767] ip6_route_add+0x1c/0x140 [ 9884.686896][ T3767] addrconf_add_mroute+0x129/0x180 [ 9884.686896][ T3767] addrconf_add_dev+0xe2/0x170 [ 9884.686896][ T3767] inet6_addr_add+0x12f/0xa40 [ 9884.686896][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9884.686896][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.686896][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.686896][ T3767] netlink_unicast+0x449/0x710 [ 9884.686896][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.686896][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.686896][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.686896][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.686896][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.686896][ T3767] [ 9884.689034][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9884.689034][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9884.689034][ T3767] ipv6_find_idev+0x102/0x170 [ 9884.689034][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.689034][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.689034][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.689034][ T3767] netlink_unicast+0x449/0x710 [ 9884.689034][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.689034][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.689034][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.689034][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.689034][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.689034][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.689034][ T3767] [ 9884.690718][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9884.690718][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9884.690718][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9884.690718][ T3767] ipv6_find_idev+0x102/0x170 [ 9884.690718][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9884.690718][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9884.690718][ T3767] netlink_rcv_skb+0x130/0x360 [ 9884.690718][ T3767] netlink_unicast+0x449/0x710 [ 9884.690718][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9884.690718][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9884.690718][ T3767] ___sys_sendmsg+0xee/0x170 [ 9884.690718][ T3767] __sys_sendmsg+0xcd/0x170 [ 9884.690718][ T3767] do_syscall_64+0xc6/0x1e0 [ 9884.690718][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9884.690718][ T3767] [ 9894.711938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9894.712400][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9894.712400][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9894.712400][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9894.712400][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9894.712400][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9894.712400][ T3767] ip6_route_add+0x1c/0x140 [ 9894.712400][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9894.712400][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.712400][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.712400][ T3767] netlink_unicast+0x449/0x710 [ 9894.712400][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.712400][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.712400][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.712400][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.712400][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.712400][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.712400][ T3767] [ 9894.714473][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9894.714473][ T3767] netdev_get_by_index+0x5e/0x80 [ 9894.714473][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9894.714473][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9894.714473][ T3767] ip6_route_add+0x1c/0x140 [ 9894.714473][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9894.714473][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9894.714473][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.714473][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.714473][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.714473][ T3767] netlink_unicast+0x449/0x710 [ 9894.714473][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.714473][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.714473][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.714473][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.714473][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.714473][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.714473][ T3767] [ 9894.716664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9894.716664][ T3767] netdev_get_by_index+0x5e/0x80 [ 9894.716664][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9894.716664][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9894.716664][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9894.716664][ T3767] ipv6_add_addr+0x411/0x2000 [ 9894.716664][ T3767] inet6_addr_add+0x30e/0xa40 [ 9894.716664][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.716664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.716664][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.716664][ T3767] netlink_unicast+0x449/0x710 [ 9894.716664][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.716664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.716664][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.716664][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.716664][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.716664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.716664][ T3767] [ 9894.718836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9894.718836][ T3767] netdev_get_by_index+0x5e/0x80 [ 9894.718836][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9894.718836][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9894.718836][ T3767] ip6_route_add+0x1c/0x140 [ 9894.718836][ T3767] addrconf_add_mroute+0x129/0x180 [ 9894.718836][ T3767] addrconf_add_dev+0xe2/0x170 [ 9894.718836][ T3767] inet6_addr_add+0x12f/0xa40 [ 9894.718836][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9894.718836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.718836][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.718836][ T3767] netlink_unicast+0x449/0x710 [ 9894.718836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.718836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.718836][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.718836][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.718836][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.718836][ T3767] [ 9894.720999][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9894.720999][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9894.720999][ T3767] ipv6_find_idev+0x102/0x170 [ 9894.720999][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.720999][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.720999][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.720999][ T3767] netlink_unicast+0x449/0x710 [ 9894.720999][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.720999][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.720999][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.720999][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.720999][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.720999][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.720999][ T3767] [ 9894.722675][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9894.722675][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9894.722675][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9894.722675][ T3767] ipv6_find_idev+0x102/0x170 [ 9894.722675][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9894.722675][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9894.722675][ T3767] netlink_rcv_skb+0x130/0x360 [ 9894.722675][ T3767] netlink_unicast+0x449/0x710 [ 9894.722675][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9894.722675][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9894.722675][ T3767] ___sys_sendmsg+0xee/0x170 [ 9894.722675][ T3767] __sys_sendmsg+0xcd/0x170 [ 9894.722675][ T3767] do_syscall_64+0xc6/0x1e0 [ 9894.722675][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9894.722675][ T3767] [ 9904.815944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9904.816345][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9904.816345][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9904.816345][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9904.816345][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9904.816345][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9904.816345][ T3767] ip6_route_add+0x1c/0x140 [ 9904.816345][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9904.816345][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.816345][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.816345][ T3767] netlink_unicast+0x449/0x710 [ 9904.816345][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.816345][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.816345][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.816345][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.816345][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.816345][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.816345][ T3767] [ 9904.818416][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9904.818416][ T3767] netdev_get_by_index+0x5e/0x80 [ 9904.818416][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9904.818416][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9904.818416][ T3767] ip6_route_add+0x1c/0x140 [ 9904.818416][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9904.818416][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9904.818416][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.818416][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.818416][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.818416][ T3767] netlink_unicast+0x449/0x710 [ 9904.818416][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.818416][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.818416][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.818416][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.818416][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.818416][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.818416][ T3767] [ 9904.820630][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9904.820630][ T3767] netdev_get_by_index+0x5e/0x80 [ 9904.820630][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9904.820630][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9904.820630][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9904.820630][ T3767] ipv6_add_addr+0x411/0x2000 [ 9904.820630][ T3767] inet6_addr_add+0x30e/0xa40 [ 9904.820630][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.820630][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.820630][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.820630][ T3767] netlink_unicast+0x449/0x710 [ 9904.820630][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.820630][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.820630][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.820630][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.820630][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.820630][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.820630][ T3767] [ 9904.822817][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9904.822817][ T3767] netdev_get_by_index+0x5e/0x80 [ 9904.822817][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9904.822817][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9904.822817][ T3767] ip6_route_add+0x1c/0x140 [ 9904.822817][ T3767] addrconf_add_mroute+0x129/0x180 [ 9904.822817][ T3767] addrconf_add_dev+0xe2/0x170 [ 9904.822817][ T3767] inet6_addr_add+0x12f/0xa40 [ 9904.822817][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9904.822817][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.822817][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.822817][ T3767] netlink_unicast+0x449/0x710 [ 9904.822817][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.822817][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.822817][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.822817][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.822817][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.822817][ T3767] [ 9904.824963][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9904.824963][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9904.824963][ T3767] ipv6_find_idev+0x102/0x170 [ 9904.824963][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9904.824963][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.824963][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.824963][ T3767] netlink_unicast+0x449/0x710 [ 9904.824963][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.824963][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.824963][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.824963][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.824963][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.824963][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.824963][ T3767] [ 9904.826646][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9904.826646][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9904.826646][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9904.826646][ T3767] ipv6_find_idev+0x102/0x170 [ 9904.826646][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9904.826646][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9904.826646][ T3767] netlink_rcv_skb+0x130/0x360 [ 9904.826646][ T3767] netlink_unicast+0x449/0x710 [ 9904.826646][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9904.826646][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9904.826646][ T3767] ___sys_sendmsg+0xee/0x170 [ 9904.826646][ T3767] __sys_sendmsg+0xcd/0x170 [ 9904.826646][ T3767] do_syscall_64+0xc6/0x1e0 [ 9904.826646][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9904.826646][ T3767] [ 9914.871934][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9914.872351][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9914.872351][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9914.872351][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9914.872351][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9914.872351][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9914.872351][ T3767] ip6_route_add+0x1c/0x140 [ 9914.872351][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9914.872351][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.872351][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.872351][ T3767] netlink_unicast+0x449/0x710 [ 9914.872351][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.872351][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.872351][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.872351][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.872351][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.872351][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.872351][ T3767] [ 9914.874411][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9914.874411][ T3767] netdev_get_by_index+0x5e/0x80 [ 9914.874411][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9914.874411][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9914.874411][ T3767] ip6_route_add+0x1c/0x140 [ 9914.874411][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9914.874411][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9914.874411][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.874411][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.874411][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.874411][ T3767] netlink_unicast+0x449/0x710 [ 9914.874411][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.874411][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.874411][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.874411][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.874411][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.874411][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.874411][ T3767] [ 9914.876595][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9914.876595][ T3767] netdev_get_by_index+0x5e/0x80 [ 9914.876595][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9914.876595][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9914.876595][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9914.876595][ T3767] ipv6_add_addr+0x411/0x2000 [ 9914.876595][ T3767] inet6_addr_add+0x30e/0xa40 [ 9914.876595][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.876595][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.876595][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.876595][ T3767] netlink_unicast+0x449/0x710 [ 9914.876595][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.876595][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.876595][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.876595][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.876595][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.876595][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.876595][ T3767] [ 9914.878778][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9914.878778][ T3767] netdev_get_by_index+0x5e/0x80 [ 9914.878778][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9914.878778][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9914.878778][ T3767] ip6_route_add+0x1c/0x140 [ 9914.878778][ T3767] addrconf_add_mroute+0x129/0x180 [ 9914.878778][ T3767] addrconf_add_dev+0xe2/0x170 [ 9914.878778][ T3767] inet6_addr_add+0x12f/0xa40 [ 9914.878778][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.878778][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.878778][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.878778][ T3767] netlink_unicast+0x449/0x710 [ 9914.878778][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.878778][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.878778][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.878778][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.878778][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.878778][ T3767] [ 9914.880932][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9914.880932][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9914.880932][ T3767] ipv6_find_idev+0x102/0x170 [ 9914.880932][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9914.880932][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.880932][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.880932][ T3767] netlink_unicast+0x449/0x710 [ 9914.880932][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.880932][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.880932][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.880932][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.880932][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.880932][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.880932][ T3767] [ 9914.882605][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9914.882605][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9914.882605][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9914.882605][ T3767] ipv6_find_idev+0x102/0x170 [ 9914.882605][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9914.882605][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.882605][ T3767] netlink_rcv_skb+0x130/0x360 [ 9914.882605][ T3767] netlink_unicast+0x449/0x710 [ 9914.882605][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9914.882605][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9914.882605][ T3767] ___sys_sendmsg+0xee/0x170 [ 9914.882605][ T3767] __sys_sendmsg+0xcd/0x170 [ 9914.882605][ T3767] do_syscall_64+0xc6/0x1e0 [ 9914.882605][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.882605][ T3767] [ 9925.119964][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9925.120450][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9925.120450][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9925.120450][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9925.120450][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9925.120450][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9925.120450][ T3767] ip6_route_add+0x1c/0x140 [ 9925.120450][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9925.120450][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.120450][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.120450][ T3767] netlink_unicast+0x449/0x710 [ 9925.120450][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.120450][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.120450][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.120450][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.120450][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.120450][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.120450][ T3767] [ 9925.122549][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9925.122549][ T3767] netdev_get_by_index+0x5e/0x80 [ 9925.122549][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9925.122549][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9925.122549][ T3767] ip6_route_add+0x1c/0x140 [ 9925.122549][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9925.122549][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9925.122549][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.122549][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.122549][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.122549][ T3767] netlink_unicast+0x449/0x710 [ 9925.122549][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.122549][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.122549][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.122549][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.122549][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.122549][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.122549][ T3767] [ 9925.124756][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9925.124756][ T3767] netdev_get_by_index+0x5e/0x80 [ 9925.124756][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9925.124756][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9925.124756][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9925.124756][ T3767] ipv6_add_addr+0x411/0x2000 [ 9925.124756][ T3767] inet6_addr_add+0x30e/0xa40 [ 9925.124756][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.124756][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.124756][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.124756][ T3767] netlink_unicast+0x449/0x710 [ 9925.124756][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.124756][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.124756][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.124756][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.124756][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.124756][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.124756][ T3767] [ 9925.126965][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9925.126965][ T3767] netdev_get_by_index+0x5e/0x80 [ 9925.126965][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9925.126965][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9925.126965][ T3767] ip6_route_add+0x1c/0x140 [ 9925.126965][ T3767] addrconf_add_mroute+0x129/0x180 [ 9925.126965][ T3767] addrconf_add_dev+0xe2/0x170 [ 9925.126965][ T3767] inet6_addr_add+0x12f/0xa40 [ 9925.126965][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9925.126965][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.126965][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.126965][ T3767] netlink_unicast+0x449/0x710 [ 9925.126965][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.126965][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.126965][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.126965][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.126965][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.126965][ T3767] [ 9925.129134][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9925.129134][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9925.129134][ T3767] ipv6_find_idev+0x102/0x170 [ 9925.129134][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.129134][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.129134][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.129134][ T3767] netlink_unicast+0x449/0x710 [ 9925.129134][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.129134][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.129134][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.129134][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.129134][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.129134][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.129134][ T3767] [ 9925.130834][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9925.130834][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9925.130834][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9925.130834][ T3767] ipv6_find_idev+0x102/0x170 [ 9925.130834][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9925.130834][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9925.130834][ T3767] netlink_rcv_skb+0x130/0x360 [ 9925.130834][ T3767] netlink_unicast+0x449/0x710 [ 9925.130834][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9925.130834][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9925.130834][ T3767] ___sys_sendmsg+0xee/0x170 [ 9925.130834][ T3767] __sys_sendmsg+0xcd/0x170 [ 9925.130834][ T3767] do_syscall_64+0xc6/0x1e0 [ 9925.130834][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9925.130834][ T3767] [ 9935.287882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9935.288339][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9935.288339][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9935.288339][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9935.288339][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9935.288339][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9935.288339][ T3767] ip6_route_add+0x1c/0x140 [ 9935.288339][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9935.288339][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.288339][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.288339][ T3767] netlink_unicast+0x449/0x710 [ 9935.288339][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.288339][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.288339][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.288339][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.288339][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.288339][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.288339][ T3767] [ 9935.290453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9935.290453][ T3767] netdev_get_by_index+0x5e/0x80 [ 9935.290453][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9935.290453][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9935.290453][ T3767] ip6_route_add+0x1c/0x140 [ 9935.290453][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9935.290453][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9935.290453][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.290453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.290453][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.290453][ T3767] netlink_unicast+0x449/0x710 [ 9935.290453][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.290453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.290453][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.290453][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.290453][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.290453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.290453][ T3767] [ 9935.292660][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9935.292660][ T3767] netdev_get_by_index+0x5e/0x80 [ 9935.292660][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9935.292660][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9935.292660][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9935.292660][ T3767] ipv6_add_addr+0x411/0x2000 [ 9935.292660][ T3767] inet6_addr_add+0x30e/0xa40 [ 9935.292660][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.292660][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.292660][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.292660][ T3767] netlink_unicast+0x449/0x710 [ 9935.292660][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.292660][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.292660][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.292660][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.292660][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.292660][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.292660][ T3767] [ 9935.294865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9935.294865][ T3767] netdev_get_by_index+0x5e/0x80 [ 9935.294865][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9935.294865][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9935.294865][ T3767] ip6_route_add+0x1c/0x140 [ 9935.294865][ T3767] addrconf_add_mroute+0x129/0x180 [ 9935.294865][ T3767] addrconf_add_dev+0xe2/0x170 [ 9935.294865][ T3767] inet6_addr_add+0x12f/0xa40 [ 9935.294865][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9935.294865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.294865][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.294865][ T3767] netlink_unicast+0x449/0x710 [ 9935.294865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.294865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.294865][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.294865][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.294865][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.294865][ T3767] [ 9935.297022][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9935.297022][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9935.297022][ T3767] ipv6_find_idev+0x102/0x170 [ 9935.297022][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.297022][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.297022][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.297022][ T3767] netlink_unicast+0x449/0x710 [ 9935.297022][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.297022][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.297022][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.297022][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.297022][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.297022][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.297022][ T3767] [ 9935.298714][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9935.298714][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9935.298714][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9935.298714][ T3767] ipv6_find_idev+0x102/0x170 [ 9935.298714][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9935.298714][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9935.298714][ T3767] netlink_rcv_skb+0x130/0x360 [ 9935.298714][ T3767] netlink_unicast+0x449/0x710 [ 9935.298714][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9935.298714][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9935.298714][ T3767] ___sys_sendmsg+0xee/0x170 [ 9935.298714][ T3767] __sys_sendmsg+0xcd/0x170 [ 9935.298714][ T3767] do_syscall_64+0xc6/0x1e0 [ 9935.298714][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9935.298714][ T3767] [ 9945.495955][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9945.496423][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9945.496423][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9945.496423][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9945.496423][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9945.496423][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9945.496423][ T3767] ip6_route_add+0x1c/0x140 [ 9945.496423][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9945.496423][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.496423][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.496423][ T3767] netlink_unicast+0x449/0x710 [ 9945.496423][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.496423][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.496423][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.496423][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.496423][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.496423][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.496423][ T3767] [ 9945.498518][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9945.498518][ T3767] netdev_get_by_index+0x5e/0x80 [ 9945.498518][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9945.498518][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9945.498518][ T3767] ip6_route_add+0x1c/0x140 [ 9945.498518][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9945.498518][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9945.498518][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.498518][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.498518][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.498518][ T3767] netlink_unicast+0x449/0x710 [ 9945.498518][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.498518][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.498518][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.498518][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.498518][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.498518][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.498518][ T3767] [ 9945.500773][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9945.500773][ T3767] netdev_get_by_index+0x5e/0x80 [ 9945.500773][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9945.500773][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9945.500773][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9945.500773][ T3767] ipv6_add_addr+0x411/0x2000 [ 9945.500773][ T3767] inet6_addr_add+0x30e/0xa40 [ 9945.500773][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.500773][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.500773][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.500773][ T3767] netlink_unicast+0x449/0x710 [ 9945.500773][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.500773][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.500773][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.500773][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.500773][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.500773][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.500773][ T3767] [ 9945.502976][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9945.502976][ T3767] netdev_get_by_index+0x5e/0x80 [ 9945.502976][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9945.502976][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9945.502976][ T3767] ip6_route_add+0x1c/0x140 [ 9945.502976][ T3767] addrconf_add_mroute+0x129/0x180 [ 9945.502976][ T3767] addrconf_add_dev+0xe2/0x170 [ 9945.502976][ T3767] inet6_addr_add+0x12f/0xa40 [ 9945.502976][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9945.502976][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.502976][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.502976][ T3767] netlink_unicast+0x449/0x710 [ 9945.502976][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.502976][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.502976][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.502976][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.502976][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.502976][ T3767] [ 9945.505143][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9945.505143][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9945.505143][ T3767] ipv6_find_idev+0x102/0x170 [ 9945.505143][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9945.505143][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.505143][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.505143][ T3767] netlink_unicast+0x449/0x710 [ 9945.505143][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.505143][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.505143][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.505143][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.505143][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.505143][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.505143][ T3767] [ 9945.506836][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9945.506836][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9945.506836][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9945.506836][ T3767] ipv6_find_idev+0x102/0x170 [ 9945.506836][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9945.506836][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9945.506836][ T3767] netlink_rcv_skb+0x130/0x360 [ 9945.506836][ T3767] netlink_unicast+0x449/0x710 [ 9945.506836][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9945.506836][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9945.506836][ T3767] ___sys_sendmsg+0xee/0x170 [ 9945.506836][ T3767] __sys_sendmsg+0xcd/0x170 [ 9945.506836][ T3767] do_syscall_64+0xc6/0x1e0 [ 9945.506836][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9945.506836][ T3767] [ 9955.623944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9955.624434][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9955.624434][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9955.624434][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9955.624434][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9955.624434][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9955.624434][ T3767] ip6_route_add+0x1c/0x140 [ 9955.624434][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9955.624434][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.624434][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.624434][ T3767] netlink_unicast+0x449/0x710 [ 9955.624434][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.624434][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.624434][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.624434][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.624434][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.624434][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9955.624434][ T3767] [ 9955.626543][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9955.626543][ T3767] netdev_get_by_index+0x5e/0x80 [ 9955.626543][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9955.626543][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9955.626543][ T3767] ip6_route_add+0x1c/0x140 [ 9955.626543][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9955.626543][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9955.626543][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9955.626543][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.626543][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.626543][ T3767] netlink_unicast+0x449/0x710 [ 9955.626543][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.626543][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.626543][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.626543][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.626543][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.626543][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9955.626543][ T3767] [ 9955.628764][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9955.628764][ T3767] netdev_get_by_index+0x5e/0x80 [ 9955.628764][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9955.628764][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9955.628764][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9955.628764][ T3767] ipv6_add_addr+0x411/0x2000 [ 9955.628764][ T3767] inet6_addr_add+0x30e/0xa40 [ 9955.628764][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9955.628764][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.628764][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.628764][ T3767] netlink_unicast+0x449/0x710 [ 9955.628764][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.628764][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.628764][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.628764][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.628764][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.628764][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9955.628764][ T3767] [ 9955.630996][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9955.630996][ T3767] netdev_get_by_index+0x5e/0x80 [ 9955.630996][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9955.630996][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9955.630996][ T3767] ip6_route_add+0x1c/0x140 [ 9955.630996][ T3767] addrconf_add_mroute+0x129/0x180 [ 9955.630996][ T3767] addrconf_add_dev+0xe2/0x170 [ 9955.630996][ T3767] inet6_addr_add+0x12f/0xa40 [ 9955.630996][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9955.630996][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.630996][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.630996][ T3767] netlink_unicast+0x449/0x710 [ 9955.630996][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.630996][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.630996][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.630996][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.630996][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.630996][ T3767] [ 9955.633172][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9955.633172][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9955.633172][ T3767] ipv6_find_idev+0x102/0x170 [ 9955.633172][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9955.633172][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.633172][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.633172][ T3767] netlink_unicast+0x449/0x710 [ 9955.633172][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.633172][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.633172][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.633172][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.633172][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.633172][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9955.633172][ T3767] [ 9955.634868][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9955.634868][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9955.634868][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9955.634868][ T3767] ipv6_find_idev+0x102/0x170 [ 9955.634868][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9955.634868][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9955.634868][ T3767] netlink_rcv_skb+0x130/0x360 [ 9955.634868][ T3767] netlink_unicast+0x449/0x710 [ 9955.634868][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9955.634868][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9955.634868][ T3767] ___sys_sendmsg+0xee/0x170 [ 9955.634868][ T3767] __sys_sendmsg+0xcd/0x170 [ 9955.634868][ T3767] do_syscall_64+0xc6/0x1e0 [ 9955.634868][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9955.634868][ T3767] [ 9965.799938][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9965.800477][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9965.800477][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9965.800477][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9965.800477][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9965.800477][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9965.800477][ T3767] ip6_route_add+0x1c/0x140 [ 9965.800477][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9965.800477][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.800477][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.800477][ T3767] netlink_unicast+0x449/0x710 [ 9965.800477][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.800477][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.800477][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.800477][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.800477][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.800477][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.800477][ T3767] [ 9965.802576][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9965.802576][ T3767] netdev_get_by_index+0x5e/0x80 [ 9965.802576][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9965.802576][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9965.802576][ T3767] ip6_route_add+0x1c/0x140 [ 9965.802576][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9965.802576][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9965.802576][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.802576][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.802576][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.802576][ T3767] netlink_unicast+0x449/0x710 [ 9965.802576][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.802576][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.802576][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.802576][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.802576][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.802576][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.802576][ T3767] [ 9965.804782][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9965.804782][ T3767] netdev_get_by_index+0x5e/0x80 [ 9965.804782][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9965.804782][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9965.804782][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9965.804782][ T3767] ipv6_add_addr+0x411/0x2000 [ 9965.804782][ T3767] inet6_addr_add+0x30e/0xa40 [ 9965.804782][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.804782][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.804782][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.804782][ T3767] netlink_unicast+0x449/0x710 [ 9965.804782][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.804782][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.804782][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.804782][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.804782][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.804782][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.804782][ T3767] [ 9965.807002][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9965.807002][ T3767] netdev_get_by_index+0x5e/0x80 [ 9965.807002][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9965.807002][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9965.807002][ T3767] ip6_route_add+0x1c/0x140 [ 9965.807002][ T3767] addrconf_add_mroute+0x129/0x180 [ 9965.807002][ T3767] addrconf_add_dev+0xe2/0x170 [ 9965.807002][ T3767] inet6_addr_add+0x12f/0xa40 [ 9965.807002][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.807002][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.807002][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.807002][ T3767] netlink_unicast+0x449/0x710 [ 9965.807002][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.807002][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.807002][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.807002][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.807002][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.807002][ T3767] [ 9965.809167][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9965.809167][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9965.809167][ T3767] ipv6_find_idev+0x102/0x170 [ 9965.809167][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9965.809167][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.809167][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.809167][ T3767] netlink_unicast+0x449/0x710 [ 9965.809167][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.809167][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.809167][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.809167][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.809167][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.809167][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.809167][ T3767] [ 9965.810865][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9965.810865][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9965.810865][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9965.810865][ T3767] ipv6_find_idev+0x102/0x170 [ 9965.810865][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9965.810865][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.810865][ T3767] netlink_rcv_skb+0x130/0x360 [ 9965.810865][ T3767] netlink_unicast+0x449/0x710 [ 9965.810865][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9965.810865][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9965.810865][ T3767] ___sys_sendmsg+0xee/0x170 [ 9965.810865][ T3767] __sys_sendmsg+0xcd/0x170 [ 9965.810865][ T3767] do_syscall_64+0xc6/0x1e0 [ 9965.810865][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.810865][ T3767] [ 9976.039945][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9976.040424][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9976.040424][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9976.040424][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9976.040424][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9976.040424][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9976.040424][ T3767] ip6_route_add+0x1c/0x140 [ 9976.040424][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9976.040424][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.040424][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.040424][ T3767] netlink_unicast+0x449/0x710 [ 9976.040424][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.040424][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.040424][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.040424][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.040424][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.040424][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.040424][ T3767] [ 9976.042523][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9976.042523][ T3767] netdev_get_by_index+0x5e/0x80 [ 9976.042523][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9976.042523][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9976.042523][ T3767] ip6_route_add+0x1c/0x140 [ 9976.042523][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9976.042523][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9976.042523][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.042523][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.042523][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.042523][ T3767] netlink_unicast+0x449/0x710 [ 9976.042523][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.042523][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.042523][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.042523][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.042523][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.042523][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.042523][ T3767] [ 9976.044730][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9976.044730][ T3767] netdev_get_by_index+0x5e/0x80 [ 9976.044730][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9976.044730][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9976.044730][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9976.044730][ T3767] ipv6_add_addr+0x411/0x2000 [ 9976.044730][ T3767] inet6_addr_add+0x30e/0xa40 [ 9976.044730][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.044730][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.044730][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.044730][ T3767] netlink_unicast+0x449/0x710 [ 9976.044730][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.044730][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.044730][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.044730][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.044730][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.044730][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.044730][ T3767] [ 9976.046935][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9976.046935][ T3767] netdev_get_by_index+0x5e/0x80 [ 9976.046935][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9976.046935][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9976.046935][ T3767] ip6_route_add+0x1c/0x140 [ 9976.046935][ T3767] addrconf_add_mroute+0x129/0x180 [ 9976.046935][ T3767] addrconf_add_dev+0xe2/0x170 [ 9976.046935][ T3767] inet6_addr_add+0x12f/0xa40 [ 9976.046935][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9976.046935][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.046935][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.046935][ T3767] netlink_unicast+0x449/0x710 [ 9976.046935][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.046935][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.046935][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.046935][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.046935][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.046935][ T3767] [ 9976.049483][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9976.049483][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9976.049483][ T3767] ipv6_find_idev+0x102/0x170 [ 9976.049483][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9976.049483][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.049483][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.049483][ T3767] netlink_unicast+0x449/0x710 [ 9976.049483][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.049483][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.049483][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.049483][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.049483][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.049483][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.049483][ T3767] [ 9976.051187][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9976.051187][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9976.051187][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9976.051187][ T3767] ipv6_find_idev+0x102/0x170 [ 9976.051187][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9976.051187][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9976.051187][ T3767] netlink_rcv_skb+0x130/0x360 [ 9976.051187][ T3767] netlink_unicast+0x449/0x710 [ 9976.051187][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9976.051187][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9976.051187][ T3767] ___sys_sendmsg+0xee/0x170 [ 9976.051187][ T3767] __sys_sendmsg+0xcd/0x170 [ 9976.051187][ T3767] do_syscall_64+0xc6/0x1e0 [ 9976.051187][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9976.051187][ T3767] [ 9986.295953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9986.296363][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9986.296363][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9986.296363][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9986.296363][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9986.296363][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9986.296363][ T3767] ip6_route_add+0x1c/0x140 [ 9986.296363][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9986.296363][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.296363][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.296363][ T3767] netlink_unicast+0x449/0x710 [ 9986.296363][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.296363][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.296363][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.296363][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.296363][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.296363][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.296363][ T3767] [ 9986.300126][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9986.300126][ T3767] netdev_get_by_index+0x5e/0x80 [ 9986.300126][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9986.300126][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9986.300126][ T3767] ip6_route_add+0x1c/0x140 [ 9986.300126][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9986.300126][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9986.300126][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.300126][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.300126][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.300126][ T3767] netlink_unicast+0x449/0x710 [ 9986.300126][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.300126][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.300126][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.300126][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.300126][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.300126][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.300126][ T3767] [ 9986.302329][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9986.302329][ T3767] netdev_get_by_index+0x5e/0x80 [ 9986.302329][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9986.302329][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9986.302329][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9986.302329][ T3767] ipv6_add_addr+0x411/0x2000 [ 9986.302329][ T3767] inet6_addr_add+0x30e/0xa40 [ 9986.302329][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.302329][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.302329][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.302329][ T3767] netlink_unicast+0x449/0x710 [ 9986.302329][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.302329][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.302329][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.302329][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.302329][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.302329][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.302329][ T3767] [ 9986.304526][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9986.304526][ T3767] netdev_get_by_index+0x5e/0x80 [ 9986.304526][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9986.304526][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9986.304526][ T3767] ip6_route_add+0x1c/0x140 [ 9986.304526][ T3767] addrconf_add_mroute+0x129/0x180 [ 9986.304526][ T3767] addrconf_add_dev+0xe2/0x170 [ 9986.304526][ T3767] inet6_addr_add+0x12f/0xa40 [ 9986.304526][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9986.304526][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.304526][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.304526][ T3767] netlink_unicast+0x449/0x710 [ 9986.304526][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.304526][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.304526][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.304526][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.304526][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.304526][ T3767] [ 9986.306692][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9986.306692][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9986.306692][ T3767] ipv6_find_idev+0x102/0x170 [ 9986.306692][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9986.306692][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.306692][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.306692][ T3767] netlink_unicast+0x449/0x710 [ 9986.306692][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.306692][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.306692][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.306692][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.306692][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.306692][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.306692][ T3767] [ 9986.308378][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9986.308378][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9986.308378][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9986.308378][ T3767] ipv6_find_idev+0x102/0x170 [ 9986.308378][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9986.308378][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9986.308378][ T3767] netlink_rcv_skb+0x130/0x360 [ 9986.308378][ T3767] netlink_unicast+0x449/0x710 [ 9986.308378][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9986.308378][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9986.308378][ T3767] ___sys_sendmsg+0xee/0x170 [ 9986.308378][ T3767] __sys_sendmsg+0xcd/0x170 [ 9986.308378][ T3767] do_syscall_64+0xc6/0x1e0 [ 9986.308378][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9986.308378][ T3767] [ 9996.447944][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9996.448404][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [ 9996.448404][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [ 9996.448404][ T3767] ip6_validate_gw+0x3eb/0x790 [ 9996.448404][ T3767] fib6_nh_init+0xa5b/0x15b0 [ 9996.448404][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9996.448404][ T3767] ip6_route_add+0x1c/0x140 [ 9996.448404][ T3767] inet6_rtm_newroute+0x104/0x110 [ 9996.448404][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.448404][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.448404][ T3767] netlink_unicast+0x449/0x710 [ 9996.448404][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.448404][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.448404][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.448404][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.448404][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.448404][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.448404][ T3767] [ 9996.450521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9996.450521][ T3767] netdev_get_by_index+0x5e/0x80 [ 9996.450521][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9996.450521][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9996.450521][ T3767] ip6_route_add+0x1c/0x140 [ 9996.450521][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [ 9996.450521][ T3767] inet6_addr_add+0x4f8/0xa40 [ 9996.450521][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.450521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.450521][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.450521][ T3767] netlink_unicast+0x449/0x710 [ 9996.450521][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.450521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.450521][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.450521][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.450521][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.450521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.450521][ T3767] [ 9996.452716][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9996.452716][ T3767] netdev_get_by_index+0x5e/0x80 [ 9996.452716][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9996.452716][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9996.452716][ T3767] addrconf_f6i_alloc+0x244/0x410 [ 9996.452716][ T3767] ipv6_add_addr+0x411/0x2000 [ 9996.452716][ T3767] inet6_addr_add+0x30e/0xa40 [ 9996.452716][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.452716][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.452716][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.452716][ T3767] netlink_unicast+0x449/0x710 [ 9996.452716][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.452716][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.452716][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.452716][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.452716][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.452716][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.452716][ T3767] [ 9996.454908][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9996.454908][ T3767] netdev_get_by_index+0x5e/0x80 [ 9996.454908][ T3767] fib6_nh_init+0x3d8/0x15b0 [ 9996.454908][ T3767] ip6_route_info_create+0xf18/0x17d0 [ 9996.454908][ T3767] ip6_route_add+0x1c/0x140 [ 9996.454908][ T3767] addrconf_add_mroute+0x129/0x180 [ 9996.454908][ T3767] addrconf_add_dev+0xe2/0x170 [ 9996.454908][ T3767] inet6_addr_add+0x12f/0xa40 [ 9996.454908][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [ 9996.454908][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.454908][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.454908][ T3767] netlink_unicast+0x449/0x710 [ 9996.454908][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.454908][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.454908][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.454908][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.454908][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.454908][ T3767] [ 9996.457077][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9996.457077][ T3767] ipv6_add_dev+0x3ba/0x11c0 [ 9996.457077][ T3767] ipv6_find_idev+0x102/0x170 [ 9996.457077][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9996.457077][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.457077][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.457077][ T3767] netlink_unicast+0x449/0x710 [ 9996.457077][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.457077][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.457077][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.457077][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.457077][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.457077][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.457077][ T3767] [ 9996.458767][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [ 9996.458767][ T3767] neigh_parms_alloc+0x1e5/0x510 [ 9996.458767][ T3767] ipv6_add_dev+0x2fe/0x11c0 [ 9996.458767][ T3767] ipv6_find_idev+0x102/0x170 [ 9996.458767][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [ 9996.458767][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9996.458767][ T3767] netlink_rcv_skb+0x130/0x360 [ 9996.458767][ T3767] netlink_unicast+0x449/0x710 [ 9996.458767][ T3767] netlink_sendmsg+0x723/0xbe0 [ 9996.458767][ T3767] ____sys_sendmsg+0x7b2/0xa10 [ 9996.458767][ T3767] ___sys_sendmsg+0xee/0x170 [ 9996.458767][ T3767] __sys_sendmsg+0xcd/0x170 [ 9996.458767][ T3767] do_syscall_64+0xc6/0x1e0 [ 9996.458767][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9996.458767][ T3767] [10006.463882][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10006.464342][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [10006.464342][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [10006.464342][ T3767] ip6_validate_gw+0x3eb/0x790 [10006.464342][ T3767] fib6_nh_init+0xa5b/0x15b0 [10006.464342][ T3767] ip6_route_info_create+0xf18/0x17d0 [10006.464342][ T3767] ip6_route_add+0x1c/0x140 [10006.464342][ T3767] inet6_rtm_newroute+0x104/0x110 [10006.464342][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.464342][ T3767] netlink_rcv_skb+0x130/0x360 [10006.464342][ T3767] netlink_unicast+0x449/0x710 [10006.464342][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.464342][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.464342][ T3767] ___sys_sendmsg+0xee/0x170 [10006.464342][ T3767] __sys_sendmsg+0xcd/0x170 [10006.464342][ T3767] do_syscall_64+0xc6/0x1e0 [10006.464342][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.464342][ T3767] [10006.466440][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10006.466440][ T3767] netdev_get_by_index+0x5e/0x80 [10006.466440][ T3767] fib6_nh_init+0x3d8/0x15b0 [10006.466440][ T3767] ip6_route_info_create+0xf18/0x17d0 [10006.466440][ T3767] ip6_route_add+0x1c/0x140 [10006.466440][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [10006.466440][ T3767] inet6_addr_add+0x4f8/0xa40 [10006.466440][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10006.466440][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.466440][ T3767] netlink_rcv_skb+0x130/0x360 [10006.466440][ T3767] netlink_unicast+0x449/0x710 [10006.466440][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.466440][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.466440][ T3767] ___sys_sendmsg+0xee/0x170 [10006.466440][ T3767] __sys_sendmsg+0xcd/0x170 [10006.466440][ T3767] do_syscall_64+0xc6/0x1e0 [10006.466440][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.466440][ T3767] [10006.468629][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10006.468629][ T3767] netdev_get_by_index+0x5e/0x80 [10006.468629][ T3767] fib6_nh_init+0x3d8/0x15b0 [10006.468629][ T3767] ip6_route_info_create+0xf18/0x17d0 [10006.468629][ T3767] addrconf_f6i_alloc+0x244/0x410 [10006.468629][ T3767] ipv6_add_addr+0x411/0x2000 [10006.468629][ T3767] inet6_addr_add+0x30e/0xa40 [10006.468629][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10006.468629][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.468629][ T3767] netlink_rcv_skb+0x130/0x360 [10006.468629][ T3767] netlink_unicast+0x449/0x710 [10006.468629][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.468629][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.468629][ T3767] ___sys_sendmsg+0xee/0x170 [10006.468629][ T3767] __sys_sendmsg+0xcd/0x170 [10006.468629][ T3767] do_syscall_64+0xc6/0x1e0 [10006.468629][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.468629][ T3767] [10006.470814][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10006.470814][ T3767] netdev_get_by_index+0x5e/0x80 [10006.470814][ T3767] fib6_nh_init+0x3d8/0x15b0 [10006.470814][ T3767] ip6_route_info_create+0xf18/0x17d0 [10006.470814][ T3767] ip6_route_add+0x1c/0x140 [10006.470814][ T3767] addrconf_add_mroute+0x129/0x180 [10006.470814][ T3767] addrconf_add_dev+0xe2/0x170 [10006.470814][ T3767] inet6_addr_add+0x12f/0xa40 [10006.470814][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10006.470814][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.470814][ T3767] netlink_rcv_skb+0x130/0x360 [10006.470814][ T3767] netlink_unicast+0x449/0x710 [10006.470814][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.470814][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.470814][ T3767] ___sys_sendmsg+0xee/0x170 [10006.470814][ T3767] __sys_sendmsg+0xcd/0x170 [10006.470814][ T3767] do_syscall_64+0xc6/0x1e0 [10006.470814][ T3767] [10006.472974][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10006.472974][ T3767] ipv6_add_dev+0x3ba/0x11c0 [10006.472974][ T3767] ipv6_find_idev+0x102/0x170 [10006.472974][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10006.472974][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.472974][ T3767] netlink_rcv_skb+0x130/0x360 [10006.472974][ T3767] netlink_unicast+0x449/0x710 [10006.472974][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.472974][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.472974][ T3767] ___sys_sendmsg+0xee/0x170 [10006.472974][ T3767] __sys_sendmsg+0xcd/0x170 [10006.472974][ T3767] do_syscall_64+0xc6/0x1e0 [10006.472974][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.472974][ T3767] [10006.474664][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10006.474664][ T3767] neigh_parms_alloc+0x1e5/0x510 [10006.474664][ T3767] ipv6_add_dev+0x2fe/0x11c0 [10006.474664][ T3767] ipv6_find_idev+0x102/0x170 [10006.474664][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10006.474664][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.474664][ T3767] netlink_rcv_skb+0x130/0x360 [10006.474664][ T3767] netlink_unicast+0x449/0x710 [10006.474664][ T3767] netlink_sendmsg+0x723/0xbe0 [10006.474664][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10006.474664][ T3767] ___sys_sendmsg+0xee/0x170 [10006.474664][ T3767] __sys_sendmsg+0xcd/0x170 [10006.474664][ T3767] do_syscall_64+0xc6/0x1e0 [10006.474664][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.474664][ T3767] [10016.711948][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10016.712441][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [10016.712441][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [10016.712441][ T3767] ip6_validate_gw+0x3eb/0x790 [10016.712441][ T3767] fib6_nh_init+0xa5b/0x15b0 [10016.712441][ T3767] ip6_route_info_create+0xf18/0x17d0 [10016.712441][ T3767] ip6_route_add+0x1c/0x140 [10016.712441][ T3767] inet6_rtm_newroute+0x104/0x110 [10016.712441][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.712441][ T3767] netlink_rcv_skb+0x130/0x360 [10016.712441][ T3767] netlink_unicast+0x449/0x710 [10016.712441][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.712441][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.712441][ T3767] ___sys_sendmsg+0xee/0x170 [10016.712441][ T3767] __sys_sendmsg+0xcd/0x170 [10016.712441][ T3767] do_syscall_64+0xc6/0x1e0 [10016.712441][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.712441][ T3767] [10016.714516][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10016.714516][ T3767] netdev_get_by_index+0x5e/0x80 [10016.714516][ T3767] fib6_nh_init+0x3d8/0x15b0 [10016.714516][ T3767] ip6_route_info_create+0xf18/0x17d0 [10016.714516][ T3767] ip6_route_add+0x1c/0x140 [10016.714516][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [10016.714516][ T3767] inet6_addr_add+0x4f8/0xa40 [10016.714516][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10016.714516][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.714516][ T3767] netlink_rcv_skb+0x130/0x360 [10016.714516][ T3767] netlink_unicast+0x449/0x710 [10016.714516][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.714516][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.714516][ T3767] ___sys_sendmsg+0xee/0x170 [10016.714516][ T3767] __sys_sendmsg+0xcd/0x170 [10016.714516][ T3767] do_syscall_64+0xc6/0x1e0 [10016.714516][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.714516][ T3767] [10016.716742][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10016.716742][ T3767] netdev_get_by_index+0x5e/0x80 [10016.716742][ T3767] fib6_nh_init+0x3d8/0x15b0 [10016.716742][ T3767] ip6_route_info_create+0xf18/0x17d0 [10016.716742][ T3767] addrconf_f6i_alloc+0x244/0x410 [10016.716742][ T3767] ipv6_add_addr+0x411/0x2000 [10016.716742][ T3767] inet6_addr_add+0x30e/0xa40 [10016.716742][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10016.716742][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.716742][ T3767] netlink_rcv_skb+0x130/0x360 [10016.716742][ T3767] netlink_unicast+0x449/0x710 [10016.716742][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.716742][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.716742][ T3767] ___sys_sendmsg+0xee/0x170 [10016.716742][ T3767] __sys_sendmsg+0xcd/0x170 [10016.716742][ T3767] do_syscall_64+0xc6/0x1e0 [10016.716742][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.716742][ T3767] [10016.718941][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10016.718941][ T3767] netdev_get_by_index+0x5e/0x80 [10016.718941][ T3767] fib6_nh_init+0x3d8/0x15b0 [10016.718941][ T3767] ip6_route_info_create+0xf18/0x17d0 [10016.718941][ T3767] ip6_route_add+0x1c/0x140 [10016.718941][ T3767] addrconf_add_mroute+0x129/0x180 [10016.718941][ T3767] addrconf_add_dev+0xe2/0x170 [10016.718941][ T3767] inet6_addr_add+0x12f/0xa40 [10016.718941][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10016.718941][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.718941][ T3767] netlink_rcv_skb+0x130/0x360 [10016.718941][ T3767] netlink_unicast+0x449/0x710 [10016.718941][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.718941][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.718941][ T3767] ___sys_sendmsg+0xee/0x170 [10016.718941][ T3767] __sys_sendmsg+0xcd/0x170 [10016.718941][ T3767] do_syscall_64+0xc6/0x1e0 [10016.718941][ T3767] [10016.721115][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10016.721115][ T3767] ipv6_add_dev+0x3ba/0x11c0 [10016.721115][ T3767] ipv6_find_idev+0x102/0x170 [10016.721115][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10016.721115][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.721115][ T3767] netlink_rcv_skb+0x130/0x360 [10016.721115][ T3767] netlink_unicast+0x449/0x710 [10016.721115][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.721115][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.721115][ T3767] ___sys_sendmsg+0xee/0x170 [10016.721115][ T3767] __sys_sendmsg+0xcd/0x170 [10016.721115][ T3767] do_syscall_64+0xc6/0x1e0 [10016.721115][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.721115][ T3767] [10016.722805][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10016.722805][ T3767] neigh_parms_alloc+0x1e5/0x510 [10016.722805][ T3767] ipv6_add_dev+0x2fe/0x11c0 [10016.722805][ T3767] ipv6_find_idev+0x102/0x170 [10016.722805][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10016.722805][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.722805][ T3767] netlink_rcv_skb+0x130/0x360 [10016.722805][ T3767] netlink_unicast+0x449/0x710 [10016.722805][ T3767] netlink_sendmsg+0x723/0xbe0 [10016.722805][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10016.722805][ T3767] ___sys_sendmsg+0xee/0x170 [10016.722805][ T3767] __sys_sendmsg+0xcd/0x170 [10016.722805][ T3767] do_syscall_64+0xc6/0x1e0 [10016.722805][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.722805][ T3767] [10026.959879][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10026.960857][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [10026.960857][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [10026.960857][ T3767] ip6_validate_gw+0x3eb/0x790 [10026.960857][ T3767] fib6_nh_init+0xa5b/0x15b0 [10026.960857][ T3767] ip6_route_info_create+0xf18/0x17d0 [10026.960857][ T3767] ip6_route_add+0x1c/0x140 [10026.960857][ T3767] inet6_rtm_newroute+0x104/0x110 [10026.960857][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.960857][ T3767] netlink_rcv_skb+0x130/0x360 [10026.960857][ T3767] netlink_unicast+0x449/0x710 [10026.960857][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.960857][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.960857][ T3767] ___sys_sendmsg+0xee/0x170 [10026.960857][ T3767] __sys_sendmsg+0xcd/0x170 [10026.960857][ T3767] do_syscall_64+0xc6/0x1e0 [10026.960857][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.960857][ T3767] [10026.963307][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10026.963307][ T3767] netdev_get_by_index+0x5e/0x80 [10026.963307][ T3767] fib6_nh_init+0x3d8/0x15b0 [10026.963307][ T3767] ip6_route_info_create+0xf18/0x17d0 [10026.963307][ T3767] ip6_route_add+0x1c/0x140 [10026.963307][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [10026.963307][ T3767] inet6_addr_add+0x4f8/0xa40 [10026.963307][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10026.963307][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.963307][ T3767] netlink_rcv_skb+0x130/0x360 [10026.963307][ T3767] netlink_unicast+0x449/0x710 [10026.963307][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.963307][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.963307][ T3767] ___sys_sendmsg+0xee/0x170 [10026.963307][ T3767] __sys_sendmsg+0xcd/0x170 [10026.963307][ T3767] do_syscall_64+0xc6/0x1e0 [10026.963307][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.963307][ T3767] [10026.965499][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10026.965499][ T3767] netdev_get_by_index+0x5e/0x80 [10026.965499][ T3767] fib6_nh_init+0x3d8/0x15b0 [10026.965499][ T3767] ip6_route_info_create+0xf18/0x17d0 [10026.965499][ T3767] addrconf_f6i_alloc+0x244/0x410 [10026.965499][ T3767] ipv6_add_addr+0x411/0x2000 [10026.965499][ T3767] inet6_addr_add+0x30e/0xa40 [10026.965499][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10026.965499][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.965499][ T3767] netlink_rcv_skb+0x130/0x360 [10026.965499][ T3767] netlink_unicast+0x449/0x710 [10026.965499][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.965499][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.965499][ T3767] ___sys_sendmsg+0xee/0x170 [10026.965499][ T3767] __sys_sendmsg+0xcd/0x170 [10026.965499][ T3767] do_syscall_64+0xc6/0x1e0 [10026.965499][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.965499][ T3767] [10026.967682][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10026.967682][ T3767] netdev_get_by_index+0x5e/0x80 [10026.967682][ T3767] fib6_nh_init+0x3d8/0x15b0 [10026.967682][ T3767] ip6_route_info_create+0xf18/0x17d0 [10026.967682][ T3767] ip6_route_add+0x1c/0x140 [10026.967682][ T3767] addrconf_add_mroute+0x129/0x180 [10026.967682][ T3767] addrconf_add_dev+0xe2/0x170 [10026.967682][ T3767] inet6_addr_add+0x12f/0xa40 [10026.967682][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10026.967682][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.967682][ T3767] netlink_rcv_skb+0x130/0x360 [10026.967682][ T3767] netlink_unicast+0x449/0x710 [10026.967682][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.967682][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.967682][ T3767] ___sys_sendmsg+0xee/0x170 [10026.967682][ T3767] __sys_sendmsg+0xcd/0x170 [10026.967682][ T3767] do_syscall_64+0xc6/0x1e0 [10026.967682][ T3767] [10026.971114][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10026.971114][ T3767] ipv6_add_dev+0x3ba/0x11c0 [10026.971114][ T3767] ipv6_find_idev+0x102/0x170 [10026.971114][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10026.971114][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.971114][ T3767] netlink_rcv_skb+0x130/0x360 [10026.971114][ T3767] netlink_unicast+0x449/0x710 [10026.971114][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.971114][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.971114][ T3767] ___sys_sendmsg+0xee/0x170 [10026.971114][ T3767] __sys_sendmsg+0xcd/0x170 [10026.971114][ T3767] do_syscall_64+0xc6/0x1e0 [10026.971114][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.971114][ T3767] [10026.973850][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10026.973850][ T3767] neigh_parms_alloc+0x1e5/0x510 [10026.973850][ T3767] ipv6_add_dev+0x2fe/0x11c0 [10026.973850][ T3767] ipv6_find_idev+0x102/0x170 [10026.973850][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10026.973850][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.973850][ T3767] netlink_rcv_skb+0x130/0x360 [10026.973850][ T3767] netlink_unicast+0x449/0x710 [10026.973850][ T3767] netlink_sendmsg+0x723/0xbe0 [10026.973850][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10026.973850][ T3767] ___sys_sendmsg+0xee/0x170 [10026.973850][ T3767] __sys_sendmsg+0xcd/0x170 [10026.973850][ T3767] do_syscall_64+0xc6/0x1e0 [10026.973850][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.973850][ T3767] [10037.151953][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10037.152373][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [10037.152373][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [10037.152373][ T3767] ip6_validate_gw+0x3eb/0x790 [10037.152373][ T3767] fib6_nh_init+0xa5b/0x15b0 [10037.152373][ T3767] ip6_route_info_create+0xf18/0x17d0 [10037.152373][ T3767] ip6_route_add+0x1c/0x140 [10037.152373][ T3767] inet6_rtm_newroute+0x104/0x110 [10037.152373][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.152373][ T3767] netlink_rcv_skb+0x130/0x360 [10037.152373][ T3767] netlink_unicast+0x449/0x710 [10037.152373][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.152373][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.152373][ T3767] ___sys_sendmsg+0xee/0x170 [10037.152373][ T3767] __sys_sendmsg+0xcd/0x170 [10037.152373][ T3767] do_syscall_64+0xc6/0x1e0 [10037.152373][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.152373][ T3767] [10037.154453][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10037.154453][ T3767] netdev_get_by_index+0x5e/0x80 [10037.154453][ T3767] fib6_nh_init+0x3d8/0x15b0 [10037.154453][ T3767] ip6_route_info_create+0xf18/0x17d0 [10037.154453][ T3767] ip6_route_add+0x1c/0x140 [10037.154453][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [10037.154453][ T3767] inet6_addr_add+0x4f8/0xa40 [10037.154453][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10037.154453][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.154453][ T3767] netlink_rcv_skb+0x130/0x360 [10037.154453][ T3767] netlink_unicast+0x449/0x710 [10037.154453][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.154453][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.154453][ T3767] ___sys_sendmsg+0xee/0x170 [10037.154453][ T3767] __sys_sendmsg+0xcd/0x170 [10037.154453][ T3767] do_syscall_64+0xc6/0x1e0 [10037.154453][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.154453][ T3767] [10037.156639][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10037.156639][ T3767] netdev_get_by_index+0x5e/0x80 [10037.156639][ T3767] fib6_nh_init+0x3d8/0x15b0 [10037.156639][ T3767] ip6_route_info_create+0xf18/0x17d0 [10037.156639][ T3767] addrconf_f6i_alloc+0x244/0x410 [10037.156639][ T3767] ipv6_add_addr+0x411/0x2000 [10037.156639][ T3767] inet6_addr_add+0x30e/0xa40 [10037.156639][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10037.156639][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.156639][ T3767] netlink_rcv_skb+0x130/0x360 [10037.156639][ T3767] netlink_unicast+0x449/0x710 [10037.156639][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.156639][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.156639][ T3767] ___sys_sendmsg+0xee/0x170 [10037.156639][ T3767] __sys_sendmsg+0xcd/0x170 [10037.156639][ T3767] do_syscall_64+0xc6/0x1e0 [10037.156639][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.156639][ T3767] [10037.158822][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10037.158822][ T3767] netdev_get_by_index+0x5e/0x80 [10037.158822][ T3767] fib6_nh_init+0x3d8/0x15b0 [10037.158822][ T3767] ip6_route_info_create+0xf18/0x17d0 [10037.158822][ T3767] ip6_route_add+0x1c/0x140 [10037.158822][ T3767] addrconf_add_mroute+0x129/0x180 [10037.158822][ T3767] addrconf_add_dev+0xe2/0x170 [10037.158822][ T3767] inet6_addr_add+0x12f/0xa40 [10037.158822][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10037.158822][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.158822][ T3767] netlink_rcv_skb+0x130/0x360 [10037.158822][ T3767] netlink_unicast+0x449/0x710 [10037.158822][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.158822][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.158822][ T3767] ___sys_sendmsg+0xee/0x170 [10037.158822][ T3767] __sys_sendmsg+0xcd/0x170 [10037.158822][ T3767] do_syscall_64+0xc6/0x1e0 [10037.158822][ T3767] [10037.161729][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10037.161729][ T3767] ipv6_add_dev+0x3ba/0x11c0 [10037.161729][ T3767] ipv6_find_idev+0x102/0x170 [10037.161729][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10037.161729][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.161729][ T3767] netlink_rcv_skb+0x130/0x360 [10037.161729][ T3767] netlink_unicast+0x449/0x710 [10037.161729][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.161729][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.161729][ T3767] ___sys_sendmsg+0xee/0x170 [10037.161729][ T3767] __sys_sendmsg+0xcd/0x170 [10037.161729][ T3767] do_syscall_64+0xc6/0x1e0 [10037.161729][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.161729][ T3767] [10037.164474][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10037.164474][ T3767] neigh_parms_alloc+0x1e5/0x510 [10037.164474][ T3767] ipv6_add_dev+0x2fe/0x11c0 [10037.164474][ T3767] ipv6_find_idev+0x102/0x170 [10037.164474][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10037.164474][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10037.164474][ T3767] netlink_rcv_skb+0x130/0x360 [10037.164474][ T3767] netlink_unicast+0x449/0x710 [10037.164474][ T3767] netlink_sendmsg+0x723/0xbe0 [10037.164474][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10037.164474][ T3767] ___sys_sendmsg+0xee/0x170 [10037.164474][ T3767] __sys_sendmsg+0xcd/0x170 [10037.164474][ T3767] do_syscall_64+0xc6/0x1e0 [10037.164474][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10037.164474][ T3767] [10047.407942][ T3767] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10047.408403][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 2/7 users at [10047.408403][ T3767] ip6_route_check_nh+0x4b8/0x6a0 [10047.408403][ T3767] ip6_validate_gw+0x3eb/0x790 [10047.408403][ T3767] fib6_nh_init+0xa5b/0x15b0 [10047.408403][ T3767] ip6_route_info_create+0xf18/0x17d0 [10047.408403][ T3767] ip6_route_add+0x1c/0x140 [10047.408403][ T3767] inet6_rtm_newroute+0x104/0x110 [10047.408403][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.408403][ T3767] netlink_rcv_skb+0x130/0x360 [10047.408403][ T3767] netlink_unicast+0x449/0x710 [10047.408403][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.408403][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.408403][ T3767] ___sys_sendmsg+0xee/0x170 [10047.408403][ T3767] __sys_sendmsg+0xcd/0x170 [10047.408403][ T3767] do_syscall_64+0xc6/0x1e0 [10047.408403][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.408403][ T3767] [10047.410521][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10047.410521][ T3767] netdev_get_by_index+0x5e/0x80 [10047.410521][ T3767] fib6_nh_init+0x3d8/0x15b0 [10047.410521][ T3767] ip6_route_info_create+0xf18/0x17d0 [10047.410521][ T3767] ip6_route_add+0x1c/0x140 [10047.410521][ T3767] addrconf_prefix_route+0x1cc/0x2b0 [10047.410521][ T3767] inet6_addr_add+0x4f8/0xa40 [10047.410521][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10047.410521][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.410521][ T3767] netlink_rcv_skb+0x130/0x360 [10047.410521][ T3767] netlink_unicast+0x449/0x710 [10047.410521][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.410521][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.410521][ T3767] ___sys_sendmsg+0xee/0x170 [10047.410521][ T3767] __sys_sendmsg+0xcd/0x170 [10047.410521][ T3767] do_syscall_64+0xc6/0x1e0 [10047.410521][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.410521][ T3767] [10047.412744][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10047.412744][ T3767] netdev_get_by_index+0x5e/0x80 [10047.412744][ T3767] fib6_nh_init+0x3d8/0x15b0 [10047.412744][ T3767] ip6_route_info_create+0xf18/0x17d0 [10047.412744][ T3767] addrconf_f6i_alloc+0x244/0x410 [10047.412744][ T3767] ipv6_add_addr+0x411/0x2000 [10047.412744][ T3767] inet6_addr_add+0x30e/0xa40 [10047.412744][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10047.412744][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.412744][ T3767] netlink_rcv_skb+0x130/0x360 [10047.412744][ T3767] netlink_unicast+0x449/0x710 [10047.412744][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.412744][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.412744][ T3767] ___sys_sendmsg+0xee/0x170 [10047.412744][ T3767] __sys_sendmsg+0xcd/0x170 [10047.412744][ T3767] do_syscall_64+0xc6/0x1e0 [10047.412744][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.412744][ T3767] [10047.414946][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10047.414946][ T3767] netdev_get_by_index+0x5e/0x80 [10047.414946][ T3767] fib6_nh_init+0x3d8/0x15b0 [10047.414946][ T3767] ip6_route_info_create+0xf18/0x17d0 [10047.414946][ T3767] ip6_route_add+0x1c/0x140 [10047.414946][ T3767] addrconf_add_mroute+0x129/0x180 [10047.414946][ T3767] addrconf_add_dev+0xe2/0x170 [10047.414946][ T3767] inet6_addr_add+0x12f/0xa40 [10047.414946][ T3767] inet6_rtm_newaddr+0x560/0x6b0 [10047.414946][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.414946][ T3767] netlink_rcv_skb+0x130/0x360 [10047.414946][ T3767] netlink_unicast+0x449/0x710 [10047.414946][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.414946][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.414946][ T3767] ___sys_sendmsg+0xee/0x170 [10047.414946][ T3767] __sys_sendmsg+0xcd/0x170 [10047.414946][ T3767] do_syscall_64+0xc6/0x1e0 [10047.414946][ T3767] [10047.417101][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10047.417101][ T3767] ipv6_add_dev+0x3ba/0x11c0 [10047.417101][ T3767] ipv6_find_idev+0x102/0x170 [10047.417101][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10047.417101][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.417101][ T3767] netlink_rcv_skb+0x130/0x360 [10047.417101][ T3767] netlink_unicast+0x449/0x710 [10047.417101][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.417101][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.417101][ T3767] ___sys_sendmsg+0xee/0x170 [10047.417101][ T3767] __sys_sendmsg+0xcd/0x170 [10047.417101][ T3767] do_syscall_64+0xc6/0x1e0 [10047.417101][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.417101][ T3767] [10047.418792][ T3767] ref_tracker: dummy1@ffff88800f2415b0 has 1/7 users at [10047.418792][ T3767] neigh_parms_alloc+0x1e5/0x510 [10047.418792][ T3767] ipv6_add_dev+0x2fe/0x11c0 [10047.418792][ T3767] ipv6_find_idev+0x102/0x170 [10047.418792][ T3767] inet6_rtm_newaddr+0x37c/0x6b0 [10047.418792][ T3767] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.418792][ T3767] netlink_rcv_skb+0x130/0x360 [10047.418792][ T3767] netlink_unicast+0x449/0x710 [10047.418792][ T3767] netlink_sendmsg+0x723/0xbe0 [10047.418792][ T3767] ____sys_sendmsg+0x7b2/0xa10 [10047.418792][ T3767] ___sys_sendmsg+0xee/0x170 [10047.418792][ T3767] __sys_sendmsg+0xcd/0x170 [10047.418792][ T3767] do_syscall_64+0xc6/0x1e0 [10047.418792][ T3767] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.418792][ T3767] HARD STOP (9446.337383) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr