[ 26.784118][ T257] ip (257) used greatest stack depth: 24048 bytes left [ 55.016463][ T516] Failed to register fib notifier [ 93.333938][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 93.334451][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 93.334451][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 93.334451][ T903] ip6_validate_gw+0x3eb/0x790 [ 93.334451][ T903] fib6_nh_init+0xa5b/0x15b0 [ 93.334451][ T903] ip6_route_info_create+0xf18/0x17d0 [ 93.334451][ T903] ip6_route_add+0x1c/0x140 [ 93.334451][ T903] inet6_rtm_newroute+0x104/0x110 [ 93.334451][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.334451][ T903] netlink_rcv_skb+0x130/0x360 [ 93.334451][ T903] netlink_unicast+0x449/0x710 [ 93.334451][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.334451][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.334451][ T903] ___sys_sendmsg+0xee/0x170 [ 93.334451][ T903] __sys_sendmsg+0xcd/0x170 [ 93.334451][ T903] do_syscall_64+0xc6/0x1e0 [ 93.334451][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.334451][ T903] [ 93.337089][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 93.337089][ T903] netdev_get_by_index+0x5e/0x80 [ 93.337089][ T903] fib6_nh_init+0x3d8/0x15b0 [ 93.337089][ T903] ip6_route_info_create+0xf18/0x17d0 [ 93.337089][ T903] ip6_route_add+0x1c/0x140 [ 93.337089][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 93.337089][ T903] inet6_addr_add+0x4f8/0xa40 [ 93.337089][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 93.337089][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.337089][ T903] netlink_rcv_skb+0x130/0x360 [ 93.337089][ T903] netlink_unicast+0x449/0x710 [ 93.337089][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.337089][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.337089][ T903] ___sys_sendmsg+0xee/0x170 [ 93.337089][ T903] __sys_sendmsg+0xcd/0x170 [ 93.337089][ T903] do_syscall_64+0xc6/0x1e0 [ 93.337089][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.337089][ T903] [ 93.339391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 93.339391][ T903] netdev_get_by_index+0x5e/0x80 [ 93.339391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 93.339391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 93.339391][ T903] addrconf_f6i_alloc+0x244/0x410 [ 93.339391][ T903] ipv6_add_addr+0x411/0x2000 [ 93.339391][ T903] inet6_addr_add+0x30e/0xa40 [ 93.339391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 93.339391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.339391][ T903] netlink_rcv_skb+0x130/0x360 [ 93.339391][ T903] netlink_unicast+0x449/0x710 [ 93.339391][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.339391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.339391][ T903] ___sys_sendmsg+0xee/0x170 [ 93.339391][ T903] __sys_sendmsg+0xcd/0x170 [ 93.339391][ T903] do_syscall_64+0xc6/0x1e0 [ 93.339391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.339391][ T903] [ 93.341639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 93.341639][ T903] netdev_get_by_index+0x5e/0x80 [ 93.341639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 93.341639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 93.341639][ T903] ip6_route_add+0x1c/0x140 [ 93.341639][ T903] addrconf_add_mroute+0x129/0x180 [ 93.341639][ T903] addrconf_add_dev+0xe2/0x170 [ 93.341639][ T903] inet6_addr_add+0x12f/0xa40 [ 93.341639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 93.341639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.341639][ T903] netlink_rcv_skb+0x130/0x360 [ 93.341639][ T903] netlink_unicast+0x449/0x710 [ 93.341639][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.341639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.341639][ T903] ___sys_sendmsg+0xee/0x170 [ 93.341639][ T903] __sys_sendmsg+0xcd/0x170 [ 93.341639][ T903] do_syscall_64+0xc6/0x1e0 [ 93.341639][ T903] [ 93.344867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 93.344867][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 93.344867][ T903] ipv6_find_idev+0x102/0x170 [ 93.344867][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.344867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.344867][ T903] netlink_rcv_skb+0x130/0x360 [ 93.344867][ T903] netlink_unicast+0x449/0x710 [ 93.344867][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.344867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.344867][ T903] ___sys_sendmsg+0xee/0x170 [ 93.344867][ T903] __sys_sendmsg+0xcd/0x170 [ 93.344867][ T903] do_syscall_64+0xc6/0x1e0 [ 93.344867][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.344867][ T903] [ 93.347446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 93.347446][ T903] neigh_parms_alloc+0x1e5/0x510 [ 93.347446][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 93.347446][ T903] ipv6_find_idev+0x102/0x170 [ 93.347446][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.347446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.347446][ T903] netlink_rcv_skb+0x130/0x360 [ 93.347446][ T903] netlink_unicast+0x449/0x710 [ 93.347446][ T903] netlink_sendmsg+0x723/0xbe0 [ 93.347446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 93.347446][ T903] ___sys_sendmsg+0xee/0x170 [ 93.347446][ T903] __sys_sendmsg+0xcd/0x170 [ 93.347446][ T903] do_syscall_64+0xc6/0x1e0 [ 93.347446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.347446][ T903] [ 103.589737][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 103.590199][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 103.590199][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 103.590199][ T903] ip6_validate_gw+0x3eb/0x790 [ 103.590199][ T903] fib6_nh_init+0xa5b/0x15b0 [ 103.590199][ T903] ip6_route_info_create+0xf18/0x17d0 [ 103.590199][ T903] ip6_route_add+0x1c/0x140 [ 103.590199][ T903] inet6_rtm_newroute+0x104/0x110 [ 103.590199][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.590199][ T903] netlink_rcv_skb+0x130/0x360 [ 103.590199][ T903] netlink_unicast+0x449/0x710 [ 103.590199][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.590199][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.590199][ T903] ___sys_sendmsg+0xee/0x170 [ 103.590199][ T903] __sys_sendmsg+0xcd/0x170 [ 103.590199][ T903] do_syscall_64+0xc6/0x1e0 [ 103.590199][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.590199][ T903] [ 103.592367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 103.592367][ T903] netdev_get_by_index+0x5e/0x80 [ 103.592367][ T903] fib6_nh_init+0x3d8/0x15b0 [ 103.592367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 103.592367][ T903] ip6_route_add+0x1c/0x140 [ 103.592367][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 103.592367][ T903] inet6_addr_add+0x4f8/0xa40 [ 103.592367][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 103.592367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.592367][ T903] netlink_rcv_skb+0x130/0x360 [ 103.592367][ T903] netlink_unicast+0x449/0x710 [ 103.592367][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.592367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.592367][ T903] ___sys_sendmsg+0xee/0x170 [ 103.592367][ T903] __sys_sendmsg+0xcd/0x170 [ 103.592367][ T903] do_syscall_64+0xc6/0x1e0 [ 103.592367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.592367][ T903] [ 103.594622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 103.594622][ T903] netdev_get_by_index+0x5e/0x80 [ 103.594622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 103.594622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 103.594622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 103.594622][ T903] ipv6_add_addr+0x411/0x2000 [ 103.594622][ T903] inet6_addr_add+0x30e/0xa40 [ 103.594622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 103.594622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.594622][ T903] netlink_rcv_skb+0x130/0x360 [ 103.594622][ T903] netlink_unicast+0x449/0x710 [ 103.594622][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.594622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.594622][ T903] ___sys_sendmsg+0xee/0x170 [ 103.594622][ T903] __sys_sendmsg+0xcd/0x170 [ 103.594622][ T903] do_syscall_64+0xc6/0x1e0 [ 103.594622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.594622][ T903] [ 103.596864][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 103.596864][ T903] netdev_get_by_index+0x5e/0x80 [ 103.596864][ T903] fib6_nh_init+0x3d8/0x15b0 [ 103.596864][ T903] ip6_route_info_create+0xf18/0x17d0 [ 103.596864][ T903] ip6_route_add+0x1c/0x140 [ 103.596864][ T903] addrconf_add_mroute+0x129/0x180 [ 103.596864][ T903] addrconf_add_dev+0xe2/0x170 [ 103.596864][ T903] inet6_addr_add+0x12f/0xa40 [ 103.596864][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 103.596864][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.596864][ T903] netlink_rcv_skb+0x130/0x360 [ 103.596864][ T903] netlink_unicast+0x449/0x710 [ 103.596864][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.596864][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.596864][ T903] ___sys_sendmsg+0xee/0x170 [ 103.596864][ T903] __sys_sendmsg+0xcd/0x170 [ 103.596864][ T903] do_syscall_64+0xc6/0x1e0 [ 103.596864][ T903] [ 103.599073][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 103.599073][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 103.599073][ T903] ipv6_find_idev+0x102/0x170 [ 103.599073][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.599073][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.599073][ T903] netlink_rcv_skb+0x130/0x360 [ 103.599073][ T903] netlink_unicast+0x449/0x710 [ 103.599073][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.599073][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.599073][ T903] ___sys_sendmsg+0xee/0x170 [ 103.599073][ T903] __sys_sendmsg+0xcd/0x170 [ 103.599073][ T903] do_syscall_64+0xc6/0x1e0 [ 103.599073][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.599073][ T903] [ 103.600796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 103.600796][ T903] neigh_parms_alloc+0x1e5/0x510 [ 103.600796][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 103.600796][ T903] ipv6_find_idev+0x102/0x170 [ 103.600796][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.600796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.600796][ T903] netlink_rcv_skb+0x130/0x360 [ 103.600796][ T903] netlink_unicast+0x449/0x710 [ 103.600796][ T903] netlink_sendmsg+0x723/0xbe0 [ 103.600796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 103.600796][ T903] ___sys_sendmsg+0xee/0x170 [ 103.600796][ T903] __sys_sendmsg+0xcd/0x170 [ 103.600796][ T903] do_syscall_64+0xc6/0x1e0 [ 103.600796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.600796][ T903] [ 113.845781][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 113.846277][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 113.846277][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 113.846277][ T903] ip6_validate_gw+0x3eb/0x790 [ 113.846277][ T903] fib6_nh_init+0xa5b/0x15b0 [ 113.846277][ T903] ip6_route_info_create+0xf18/0x17d0 [ 113.846277][ T903] ip6_route_add+0x1c/0x140 [ 113.846277][ T903] inet6_rtm_newroute+0x104/0x110 [ 113.846277][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.846277][ T903] netlink_rcv_skb+0x130/0x360 [ 113.846277][ T903] netlink_unicast+0x449/0x710 [ 113.846277][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.846277][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.846277][ T903] ___sys_sendmsg+0xee/0x170 [ 113.846277][ T903] __sys_sendmsg+0xcd/0x170 [ 113.846277][ T903] do_syscall_64+0xc6/0x1e0 [ 113.846277][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.846277][ T903] [ 113.848579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 113.848579][ T903] netdev_get_by_index+0x5e/0x80 [ 113.848579][ T903] fib6_nh_init+0x3d8/0x15b0 [ 113.848579][ T903] ip6_route_info_create+0xf18/0x17d0 [ 113.848579][ T903] ip6_route_add+0x1c/0x140 [ 113.848579][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 113.848579][ T903] inet6_addr_add+0x4f8/0xa40 [ 113.848579][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 113.848579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.848579][ T903] netlink_rcv_skb+0x130/0x360 [ 113.848579][ T903] netlink_unicast+0x449/0x710 [ 113.848579][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.848579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.848579][ T903] ___sys_sendmsg+0xee/0x170 [ 113.848579][ T903] __sys_sendmsg+0xcd/0x170 [ 113.848579][ T903] do_syscall_64+0xc6/0x1e0 [ 113.848579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.848579][ T903] [ 113.850949][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 113.850949][ T903] netdev_get_by_index+0x5e/0x80 [ 113.850949][ T903] fib6_nh_init+0x3d8/0x15b0 [ 113.850949][ T903] ip6_route_info_create+0xf18/0x17d0 [ 113.850949][ T903] addrconf_f6i_alloc+0x244/0x410 [ 113.850949][ T903] ipv6_add_addr+0x411/0x2000 [ 113.850949][ T903] inet6_addr_add+0x30e/0xa40 [ 113.850949][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 113.850949][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.850949][ T903] netlink_rcv_skb+0x130/0x360 [ 113.850949][ T903] netlink_unicast+0x449/0x710 [ 113.850949][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.850949][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.850949][ T903] ___sys_sendmsg+0xee/0x170 [ 113.850949][ T903] __sys_sendmsg+0xcd/0x170 [ 113.850949][ T903] do_syscall_64+0xc6/0x1e0 [ 113.850949][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.850949][ T903] [ 113.853394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 113.853394][ T903] netdev_get_by_index+0x5e/0x80 [ 113.853394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 113.853394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 113.853394][ T903] ip6_route_add+0x1c/0x140 [ 113.853394][ T903] addrconf_add_mroute+0x129/0x180 [ 113.853394][ T903] addrconf_add_dev+0xe2/0x170 [ 113.853394][ T903] inet6_addr_add+0x12f/0xa40 [ 113.853394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 113.853394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.853394][ T903] netlink_rcv_skb+0x130/0x360 [ 113.853394][ T903] netlink_unicast+0x449/0x710 [ 113.853394][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.853394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.853394][ T903] ___sys_sendmsg+0xee/0x170 [ 113.853394][ T903] __sys_sendmsg+0xcd/0x170 [ 113.853394][ T903] do_syscall_64+0xc6/0x1e0 [ 113.853394][ T903] [ 113.855664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 113.855664][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 113.855664][ T903] ipv6_find_idev+0x102/0x170 [ 113.855664][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.855664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.855664][ T903] netlink_rcv_skb+0x130/0x360 [ 113.855664][ T903] netlink_unicast+0x449/0x710 [ 113.855664][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.855664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.855664][ T903] ___sys_sendmsg+0xee/0x170 [ 113.855664][ T903] __sys_sendmsg+0xcd/0x170 [ 113.855664][ T903] do_syscall_64+0xc6/0x1e0 [ 113.855664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.855664][ T903] [ 113.857510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 113.857510][ T903] neigh_parms_alloc+0x1e5/0x510 [ 113.857510][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 113.857510][ T903] ipv6_find_idev+0x102/0x170 [ 113.857510][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.857510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.857510][ T903] netlink_rcv_skb+0x130/0x360 [ 113.857510][ T903] netlink_unicast+0x449/0x710 [ 113.857510][ T903] netlink_sendmsg+0x723/0xbe0 [ 113.857510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 113.857510][ T903] ___sys_sendmsg+0xee/0x170 [ 113.857510][ T903] __sys_sendmsg+0xcd/0x170 [ 113.857510][ T903] do_syscall_64+0xc6/0x1e0 [ 113.857510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.857510][ T903] [ 124.101817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 124.102527][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 124.102527][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 124.102527][ T903] ip6_validate_gw+0x3eb/0x790 [ 124.102527][ T903] fib6_nh_init+0xa5b/0x15b0 [ 124.102527][ T903] ip6_route_info_create+0xf18/0x17d0 [ 124.102527][ T903] ip6_route_add+0x1c/0x140 [ 124.102527][ T903] inet6_rtm_newroute+0x104/0x110 [ 124.102527][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.102527][ T903] netlink_rcv_skb+0x130/0x360 [ 124.102527][ T903] netlink_unicast+0x449/0x710 [ 124.102527][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.102527][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.102527][ T903] ___sys_sendmsg+0xee/0x170 [ 124.102527][ T903] __sys_sendmsg+0xcd/0x170 [ 124.102527][ T903] do_syscall_64+0xc6/0x1e0 [ 124.102527][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 124.102527][ T903] [ 124.105876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 124.105876][ T903] netdev_get_by_index+0x5e/0x80 [ 124.105876][ T903] fib6_nh_init+0x3d8/0x15b0 [ 124.105876][ T903] ip6_route_info_create+0xf18/0x17d0 [ 124.105876][ T903] ip6_route_add+0x1c/0x140 [ 124.105876][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 124.105876][ T903] inet6_addr_add+0x4f8/0xa40 [ 124.105876][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 124.105876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.105876][ T903] netlink_rcv_skb+0x130/0x360 [ 124.105876][ T903] netlink_unicast+0x449/0x710 [ 124.105876][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.105876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.105876][ T903] ___sys_sendmsg+0xee/0x170 [ 124.105876][ T903] __sys_sendmsg+0xcd/0x170 [ 124.105876][ T903] do_syscall_64+0xc6/0x1e0 [ 124.105876][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 124.105876][ T903] [ 124.109431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 124.109431][ T903] netdev_get_by_index+0x5e/0x80 [ 124.109431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 124.109431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 124.109431][ T903] addrconf_f6i_alloc+0x244/0x410 [ 124.109431][ T903] ipv6_add_addr+0x411/0x2000 [ 124.109431][ T903] inet6_addr_add+0x30e/0xa40 [ 124.109431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 124.109431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.109431][ T903] netlink_rcv_skb+0x130/0x360 [ 124.109431][ T903] netlink_unicast+0x449/0x710 [ 124.109431][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.109431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.109431][ T903] ___sys_sendmsg+0xee/0x170 [ 124.109431][ T903] __sys_sendmsg+0xcd/0x170 [ 124.109431][ T903] do_syscall_64+0xc6/0x1e0 [ 124.109431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 124.109431][ T903] [ 124.112970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 124.112970][ T903] netdev_get_by_index+0x5e/0x80 [ 124.112970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 124.112970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 124.112970][ T903] ip6_route_add+0x1c/0x140 [ 124.112970][ T903] addrconf_add_mroute+0x129/0x180 [ 124.112970][ T903] addrconf_add_dev+0xe2/0x170 [ 124.112970][ T903] inet6_addr_add+0x12f/0xa40 [ 124.112970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 124.112970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.112970][ T903] netlink_rcv_skb+0x130/0x360 [ 124.112970][ T903] netlink_unicast+0x449/0x710 [ 124.112970][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.112970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.112970][ T903] ___sys_sendmsg+0xee/0x170 [ 124.112970][ T903] __sys_sendmsg+0xcd/0x170 [ 124.112970][ T903] do_syscall_64+0xc6/0x1e0 [ 124.112970][ T903] [ 124.116865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 124.116865][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 124.116865][ T903] ipv6_find_idev+0x102/0x170 [ 124.116865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 124.116865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.116865][ T903] netlink_rcv_skb+0x130/0x360 [ 124.116865][ T903] netlink_unicast+0x449/0x710 [ 124.116865][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.116865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.116865][ T903] ___sys_sendmsg+0xee/0x170 [ 124.116865][ T903] __sys_sendmsg+0xcd/0x170 [ 124.116865][ T903] do_syscall_64+0xc6/0x1e0 [ 124.116865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 124.116865][ T903] [ 124.119586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 124.119586][ T903] neigh_parms_alloc+0x1e5/0x510 [ 124.119586][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 124.119586][ T903] ipv6_find_idev+0x102/0x170 [ 124.119586][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 124.119586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 124.119586][ T903] netlink_rcv_skb+0x130/0x360 [ 124.119586][ T903] netlink_unicast+0x449/0x710 [ 124.119586][ T903] netlink_sendmsg+0x723/0xbe0 [ 124.119586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 124.119586][ T903] ___sys_sendmsg+0xee/0x170 [ 124.119586][ T903] __sys_sendmsg+0xcd/0x170 [ 124.119586][ T903] do_syscall_64+0xc6/0x1e0 [ 124.119586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 124.119586][ T903] [ 134.357770][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 134.358410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 134.358410][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 134.358410][ T903] ip6_validate_gw+0x3eb/0x790 [ 134.358410][ T903] fib6_nh_init+0xa5b/0x15b0 [ 134.358410][ T903] ip6_route_info_create+0xf18/0x17d0 [ 134.358410][ T903] ip6_route_add+0x1c/0x140 [ 134.358410][ T903] inet6_rtm_newroute+0x104/0x110 [ 134.358410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.358410][ T903] netlink_rcv_skb+0x130/0x360 [ 134.358410][ T903] netlink_unicast+0x449/0x710 [ 134.358410][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.358410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.358410][ T903] ___sys_sendmsg+0xee/0x170 [ 134.358410][ T903] __sys_sendmsg+0xcd/0x170 [ 134.358410][ T903] do_syscall_64+0xc6/0x1e0 [ 134.358410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.358410][ T903] [ 134.361770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 134.361770][ T903] netdev_get_by_index+0x5e/0x80 [ 134.361770][ T903] fib6_nh_init+0x3d8/0x15b0 [ 134.361770][ T903] ip6_route_info_create+0xf18/0x17d0 [ 134.361770][ T903] ip6_route_add+0x1c/0x140 [ 134.361770][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 134.361770][ T903] inet6_addr_add+0x4f8/0xa40 [ 134.361770][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 134.361770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.361770][ T903] netlink_rcv_skb+0x130/0x360 [ 134.361770][ T903] netlink_unicast+0x449/0x710 [ 134.361770][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.361770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.361770][ T903] ___sys_sendmsg+0xee/0x170 [ 134.361770][ T903] __sys_sendmsg+0xcd/0x170 [ 134.361770][ T903] do_syscall_64+0xc6/0x1e0 [ 134.361770][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.361770][ T903] [ 134.365314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 134.365314][ T903] netdev_get_by_index+0x5e/0x80 [ 134.365314][ T903] fib6_nh_init+0x3d8/0x15b0 [ 134.365314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 134.365314][ T903] addrconf_f6i_alloc+0x244/0x410 [ 134.365314][ T903] ipv6_add_addr+0x411/0x2000 [ 134.365314][ T903] inet6_addr_add+0x30e/0xa40 [ 134.365314][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 134.365314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.365314][ T903] netlink_rcv_skb+0x130/0x360 [ 134.365314][ T903] netlink_unicast+0x449/0x710 [ 134.365314][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.365314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.365314][ T903] ___sys_sendmsg+0xee/0x170 [ 134.365314][ T903] __sys_sendmsg+0xcd/0x170 [ 134.365314][ T903] do_syscall_64+0xc6/0x1e0 [ 134.365314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.365314][ T903] [ 134.368847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 134.368847][ T903] netdev_get_by_index+0x5e/0x80 [ 134.368847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 134.368847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 134.368847][ T903] ip6_route_add+0x1c/0x140 [ 134.368847][ T903] addrconf_add_mroute+0x129/0x180 [ 134.368847][ T903] addrconf_add_dev+0xe2/0x170 [ 134.368847][ T903] inet6_addr_add+0x12f/0xa40 [ 134.368847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 134.368847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.368847][ T903] netlink_rcv_skb+0x130/0x360 [ 134.368847][ T903] netlink_unicast+0x449/0x710 [ 134.368847][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.368847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.368847][ T903] ___sys_sendmsg+0xee/0x170 [ 134.368847][ T903] __sys_sendmsg+0xcd/0x170 [ 134.368847][ T903] do_syscall_64+0xc6/0x1e0 [ 134.368847][ T903] [ 134.372327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 134.372327][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 134.372327][ T903] ipv6_find_idev+0x102/0x170 [ 134.372327][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 134.372327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.372327][ T903] netlink_rcv_skb+0x130/0x360 [ 134.372327][ T903] netlink_unicast+0x449/0x710 [ 134.372327][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.372327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.372327][ T903] ___sys_sendmsg+0xee/0x170 [ 134.372327][ T903] __sys_sendmsg+0xcd/0x170 [ 134.372327][ T903] do_syscall_64+0xc6/0x1e0 [ 134.372327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.372327][ T903] [ 134.375038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 134.375038][ T903] neigh_parms_alloc+0x1e5/0x510 [ 134.375038][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 134.375038][ T903] ipv6_find_idev+0x102/0x170 [ 134.375038][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 134.375038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.375038][ T903] netlink_rcv_skb+0x130/0x360 [ 134.375038][ T903] netlink_unicast+0x449/0x710 [ 134.375038][ T903] netlink_sendmsg+0x723/0xbe0 [ 134.375038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 134.375038][ T903] ___sys_sendmsg+0xee/0x170 [ 134.375038][ T903] __sys_sendmsg+0xcd/0x170 [ 134.375038][ T903] do_syscall_64+0xc6/0x1e0 [ 134.375038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.375038][ T903] [ 144.469746][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 144.470465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 144.470465][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 144.470465][ T903] ip6_validate_gw+0x3eb/0x790 [ 144.470465][ T903] fib6_nh_init+0xa5b/0x15b0 [ 144.470465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 144.470465][ T903] ip6_route_add+0x1c/0x140 [ 144.470465][ T903] inet6_rtm_newroute+0x104/0x110 [ 144.470465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.470465][ T903] netlink_rcv_skb+0x130/0x360 [ 144.470465][ T903] netlink_unicast+0x449/0x710 [ 144.470465][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.470465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.470465][ T903] ___sys_sendmsg+0xee/0x170 [ 144.470465][ T903] __sys_sendmsg+0xcd/0x170 [ 144.470465][ T903] do_syscall_64+0xc6/0x1e0 [ 144.470465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.470465][ T903] [ 144.473814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 144.473814][ T903] netdev_get_by_index+0x5e/0x80 [ 144.473814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 144.473814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 144.473814][ T903] ip6_route_add+0x1c/0x140 [ 144.473814][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 144.473814][ T903] inet6_addr_add+0x4f8/0xa40 [ 144.473814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 144.473814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.473814][ T903] netlink_rcv_skb+0x130/0x360 [ 144.473814][ T903] netlink_unicast+0x449/0x710 [ 144.473814][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.473814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.473814][ T903] ___sys_sendmsg+0xee/0x170 [ 144.473814][ T903] __sys_sendmsg+0xcd/0x170 [ 144.473814][ T903] do_syscall_64+0xc6/0x1e0 [ 144.473814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.473814][ T903] [ 144.477348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 144.477348][ T903] netdev_get_by_index+0x5e/0x80 [ 144.477348][ T903] fib6_nh_init+0x3d8/0x15b0 [ 144.477348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 144.477348][ T903] addrconf_f6i_alloc+0x244/0x410 [ 144.477348][ T903] ipv6_add_addr+0x411/0x2000 [ 144.477348][ T903] inet6_addr_add+0x30e/0xa40 [ 144.477348][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 144.477348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.477348][ T903] netlink_rcv_skb+0x130/0x360 [ 144.477348][ T903] netlink_unicast+0x449/0x710 [ 144.477348][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.477348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.477348][ T903] ___sys_sendmsg+0xee/0x170 [ 144.477348][ T903] __sys_sendmsg+0xcd/0x170 [ 144.477348][ T903] do_syscall_64+0xc6/0x1e0 [ 144.477348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.477348][ T903] [ 144.480873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 144.480873][ T903] netdev_get_by_index+0x5e/0x80 [ 144.480873][ T903] fib6_nh_init+0x3d8/0x15b0 [ 144.480873][ T903] ip6_route_info_create+0xf18/0x17d0 [ 144.480873][ T903] ip6_route_add+0x1c/0x140 [ 144.480873][ T903] addrconf_add_mroute+0x129/0x180 [ 144.480873][ T903] addrconf_add_dev+0xe2/0x170 [ 144.480873][ T903] inet6_addr_add+0x12f/0xa40 [ 144.480873][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 144.480873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.480873][ T903] netlink_rcv_skb+0x130/0x360 [ 144.480873][ T903] netlink_unicast+0x449/0x710 [ 144.480873][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.480873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.480873][ T903] ___sys_sendmsg+0xee/0x170 [ 144.480873][ T903] __sys_sendmsg+0xcd/0x170 [ 144.480873][ T903] do_syscall_64+0xc6/0x1e0 [ 144.480873][ T903] [ 144.484353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 144.484353][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 144.484353][ T903] ipv6_find_idev+0x102/0x170 [ 144.484353][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 144.484353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.484353][ T903] netlink_rcv_skb+0x130/0x360 [ 144.484353][ T903] netlink_unicast+0x449/0x710 [ 144.484353][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.484353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.484353][ T903] ___sys_sendmsg+0xee/0x170 [ 144.484353][ T903] __sys_sendmsg+0xcd/0x170 [ 144.484353][ T903] do_syscall_64+0xc6/0x1e0 [ 144.484353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.484353][ T903] [ 144.487068][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 144.487068][ T903] neigh_parms_alloc+0x1e5/0x510 [ 144.487068][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 144.487068][ T903] ipv6_find_idev+0x102/0x170 [ 144.487068][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 144.487068][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.487068][ T903] netlink_rcv_skb+0x130/0x360 [ 144.487068][ T903] netlink_unicast+0x449/0x710 [ 144.487068][ T903] netlink_sendmsg+0x723/0xbe0 [ 144.487068][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 144.487068][ T903] ___sys_sendmsg+0xee/0x170 [ 144.487068][ T903] __sys_sendmsg+0xcd/0x170 [ 144.487068][ T903] do_syscall_64+0xc6/0x1e0 [ 144.487068][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.487068][ T903] [ 154.725948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 154.726484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 154.726484][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 154.726484][ T903] ip6_validate_gw+0x3eb/0x790 [ 154.726484][ T903] fib6_nh_init+0xa5b/0x15b0 [ 154.726484][ T903] ip6_route_info_create+0xf18/0x17d0 [ 154.726484][ T903] ip6_route_add+0x1c/0x140 [ 154.726484][ T903] inet6_rtm_newroute+0x104/0x110 [ 154.726484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.726484][ T903] netlink_rcv_skb+0x130/0x360 [ 154.726484][ T903] netlink_unicast+0x449/0x710 [ 154.726484][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.726484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.726484][ T903] ___sys_sendmsg+0xee/0x170 [ 154.726484][ T903] __sys_sendmsg+0xcd/0x170 [ 154.726484][ T903] do_syscall_64+0xc6/0x1e0 [ 154.726484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.726484][ T903] [ 154.728621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 154.728621][ T903] netdev_get_by_index+0x5e/0x80 [ 154.728621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 154.728621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 154.728621][ T903] ip6_route_add+0x1c/0x140 [ 154.728621][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 154.728621][ T903] inet6_addr_add+0x4f8/0xa40 [ 154.728621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 154.728621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.728621][ T903] netlink_rcv_skb+0x130/0x360 [ 154.728621][ T903] netlink_unicast+0x449/0x710 [ 154.728621][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.728621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.728621][ T903] ___sys_sendmsg+0xee/0x170 [ 154.728621][ T903] __sys_sendmsg+0xcd/0x170 [ 154.728621][ T903] do_syscall_64+0xc6/0x1e0 [ 154.728621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.728621][ T903] [ 154.730866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 154.730866][ T903] netdev_get_by_index+0x5e/0x80 [ 154.730866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 154.730866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 154.730866][ T903] addrconf_f6i_alloc+0x244/0x410 [ 154.730866][ T903] ipv6_add_addr+0x411/0x2000 [ 154.730866][ T903] inet6_addr_add+0x30e/0xa40 [ 154.730866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 154.730866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.730866][ T903] netlink_rcv_skb+0x130/0x360 [ 154.730866][ T903] netlink_unicast+0x449/0x710 [ 154.730866][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.730866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.730866][ T903] ___sys_sendmsg+0xee/0x170 [ 154.730866][ T903] __sys_sendmsg+0xcd/0x170 [ 154.730866][ T903] do_syscall_64+0xc6/0x1e0 [ 154.730866][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.730866][ T903] [ 154.733129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 154.733129][ T903] netdev_get_by_index+0x5e/0x80 [ 154.733129][ T903] fib6_nh_init+0x3d8/0x15b0 [ 154.733129][ T903] ip6_route_info_create+0xf18/0x17d0 [ 154.733129][ T903] ip6_route_add+0x1c/0x140 [ 154.733129][ T903] addrconf_add_mroute+0x129/0x180 [ 154.733129][ T903] addrconf_add_dev+0xe2/0x170 [ 154.733129][ T903] inet6_addr_add+0x12f/0xa40 [ 154.733129][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 154.733129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.733129][ T903] netlink_rcv_skb+0x130/0x360 [ 154.733129][ T903] netlink_unicast+0x449/0x710 [ 154.733129][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.733129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.733129][ T903] ___sys_sendmsg+0xee/0x170 [ 154.733129][ T903] __sys_sendmsg+0xcd/0x170 [ 154.733129][ T903] do_syscall_64+0xc6/0x1e0 [ 154.733129][ T903] [ 154.735325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 154.735325][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 154.735325][ T903] ipv6_find_idev+0x102/0x170 [ 154.735325][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 154.735325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.735325][ T903] netlink_rcv_skb+0x130/0x360 [ 154.735325][ T903] netlink_unicast+0x449/0x710 [ 154.735325][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.735325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.735325][ T903] ___sys_sendmsg+0xee/0x170 [ 154.735325][ T903] __sys_sendmsg+0xcd/0x170 [ 154.735325][ T903] do_syscall_64+0xc6/0x1e0 [ 154.735325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.735325][ T903] [ 154.737033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 154.737033][ T903] neigh_parms_alloc+0x1e5/0x510 [ 154.737033][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 154.737033][ T903] ipv6_find_idev+0x102/0x170 [ 154.737033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 154.737033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.737033][ T903] netlink_rcv_skb+0x130/0x360 [ 154.737033][ T903] netlink_unicast+0x449/0x710 [ 154.737033][ T903] netlink_sendmsg+0x723/0xbe0 [ 154.737033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 154.737033][ T903] ___sys_sendmsg+0xee/0x170 [ 154.737033][ T903] __sys_sendmsg+0xcd/0x170 [ 154.737033][ T903] do_syscall_64+0xc6/0x1e0 [ 154.737033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.737033][ T903] [ 164.981770][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 164.982232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 164.982232][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 164.982232][ T903] ip6_validate_gw+0x3eb/0x790 [ 164.982232][ T903] fib6_nh_init+0xa5b/0x15b0 [ 164.982232][ T903] ip6_route_info_create+0xf18/0x17d0 [ 164.982232][ T903] ip6_route_add+0x1c/0x140 [ 164.982232][ T903] inet6_rtm_newroute+0x104/0x110 [ 164.982232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.982232][ T903] netlink_rcv_skb+0x130/0x360 [ 164.982232][ T903] netlink_unicast+0x449/0x710 [ 164.982232][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.982232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.982232][ T903] ___sys_sendmsg+0xee/0x170 [ 164.982232][ T903] __sys_sendmsg+0xcd/0x170 [ 164.982232][ T903] do_syscall_64+0xc6/0x1e0 [ 164.982232][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.982232][ T903] [ 164.984414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 164.984414][ T903] netdev_get_by_index+0x5e/0x80 [ 164.984414][ T903] fib6_nh_init+0x3d8/0x15b0 [ 164.984414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 164.984414][ T903] ip6_route_add+0x1c/0x140 [ 164.984414][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 164.984414][ T903] inet6_addr_add+0x4f8/0xa40 [ 164.984414][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 164.984414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.984414][ T903] netlink_rcv_skb+0x130/0x360 [ 164.984414][ T903] netlink_unicast+0x449/0x710 [ 164.984414][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.984414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.984414][ T903] ___sys_sendmsg+0xee/0x170 [ 164.984414][ T903] __sys_sendmsg+0xcd/0x170 [ 164.984414][ T903] do_syscall_64+0xc6/0x1e0 [ 164.984414][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.984414][ T903] [ 164.986690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 164.986690][ T903] netdev_get_by_index+0x5e/0x80 [ 164.986690][ T903] fib6_nh_init+0x3d8/0x15b0 [ 164.986690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 164.986690][ T903] addrconf_f6i_alloc+0x244/0x410 [ 164.986690][ T903] ipv6_add_addr+0x411/0x2000 [ 164.986690][ T903] inet6_addr_add+0x30e/0xa40 [ 164.986690][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 164.986690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.986690][ T903] netlink_rcv_skb+0x130/0x360 [ 164.986690][ T903] netlink_unicast+0x449/0x710 [ 164.986690][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.986690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.986690][ T903] ___sys_sendmsg+0xee/0x170 [ 164.986690][ T903] __sys_sendmsg+0xcd/0x170 [ 164.986690][ T903] do_syscall_64+0xc6/0x1e0 [ 164.986690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.986690][ T903] [ 164.989041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 164.989041][ T903] netdev_get_by_index+0x5e/0x80 [ 164.989041][ T903] fib6_nh_init+0x3d8/0x15b0 [ 164.989041][ T903] ip6_route_info_create+0xf18/0x17d0 [ 164.989041][ T903] ip6_route_add+0x1c/0x140 [ 164.989041][ T903] addrconf_add_mroute+0x129/0x180 [ 164.989041][ T903] addrconf_add_dev+0xe2/0x170 [ 164.989041][ T903] inet6_addr_add+0x12f/0xa40 [ 164.989041][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 164.989041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.989041][ T903] netlink_rcv_skb+0x130/0x360 [ 164.989041][ T903] netlink_unicast+0x449/0x710 [ 164.989041][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.989041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.989041][ T903] ___sys_sendmsg+0xee/0x170 [ 164.989041][ T903] __sys_sendmsg+0xcd/0x170 [ 164.989041][ T903] do_syscall_64+0xc6/0x1e0 [ 164.989041][ T903] [ 164.991333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 164.991333][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 164.991333][ T903] ipv6_find_idev+0x102/0x170 [ 164.991333][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 164.991333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.991333][ T903] netlink_rcv_skb+0x130/0x360 [ 164.991333][ T903] netlink_unicast+0x449/0x710 [ 164.991333][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.991333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.991333][ T903] ___sys_sendmsg+0xee/0x170 [ 164.991333][ T903] __sys_sendmsg+0xcd/0x170 [ 164.991333][ T903] do_syscall_64+0xc6/0x1e0 [ 164.991333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.991333][ T903] [ 164.993080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 164.993080][ T903] neigh_parms_alloc+0x1e5/0x510 [ 164.993080][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 164.993080][ T903] ipv6_find_idev+0x102/0x170 [ 164.993080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 164.993080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.993080][ T903] netlink_rcv_skb+0x130/0x360 [ 164.993080][ T903] netlink_unicast+0x449/0x710 [ 164.993080][ T903] netlink_sendmsg+0x723/0xbe0 [ 164.993080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 164.993080][ T903] ___sys_sendmsg+0xee/0x170 [ 164.993080][ T903] __sys_sendmsg+0xcd/0x170 [ 164.993080][ T903] do_syscall_64+0xc6/0x1e0 [ 164.993080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.993080][ T903] [ 175.333868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 175.334380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 175.334380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 175.334380][ T903] ip6_validate_gw+0x3eb/0x790 [ 175.334380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 175.334380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 175.334380][ T903] ip6_route_add+0x1c/0x140 [ 175.334380][ T903] inet6_rtm_newroute+0x104/0x110 [ 175.334380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.334380][ T903] netlink_rcv_skb+0x130/0x360 [ 175.334380][ T903] netlink_unicast+0x449/0x710 [ 175.334380][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.334380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.334380][ T903] ___sys_sendmsg+0xee/0x170 [ 175.334380][ T903] __sys_sendmsg+0xcd/0x170 [ 175.334380][ T903] do_syscall_64+0xc6/0x1e0 [ 175.334380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.334380][ T903] [ 175.336610][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 175.336610][ T903] netdev_get_by_index+0x5e/0x80 [ 175.336610][ T903] fib6_nh_init+0x3d8/0x15b0 [ 175.336610][ T903] ip6_route_info_create+0xf18/0x17d0 [ 175.336610][ T903] ip6_route_add+0x1c/0x140 [ 175.336610][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 175.336610][ T903] inet6_addr_add+0x4f8/0xa40 [ 175.336610][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 175.336610][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.336610][ T903] netlink_rcv_skb+0x130/0x360 [ 175.336610][ T903] netlink_unicast+0x449/0x710 [ 175.336610][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.336610][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.336610][ T903] ___sys_sendmsg+0xee/0x170 [ 175.336610][ T903] __sys_sendmsg+0xcd/0x170 [ 175.336610][ T903] do_syscall_64+0xc6/0x1e0 [ 175.336610][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.336610][ T903] [ 175.338884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 175.338884][ T903] netdev_get_by_index+0x5e/0x80 [ 175.338884][ T903] fib6_nh_init+0x3d8/0x15b0 [ 175.338884][ T903] ip6_route_info_create+0xf18/0x17d0 [ 175.338884][ T903] addrconf_f6i_alloc+0x244/0x410 [ 175.338884][ T903] ipv6_add_addr+0x411/0x2000 [ 175.338884][ T903] inet6_addr_add+0x30e/0xa40 [ 175.338884][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 175.338884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.338884][ T903] netlink_rcv_skb+0x130/0x360 [ 175.338884][ T903] netlink_unicast+0x449/0x710 [ 175.338884][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.338884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.338884][ T903] ___sys_sendmsg+0xee/0x170 [ 175.338884][ T903] __sys_sendmsg+0xcd/0x170 [ 175.338884][ T903] do_syscall_64+0xc6/0x1e0 [ 175.338884][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.338884][ T903] [ 175.341142][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 175.341142][ T903] netdev_get_by_index+0x5e/0x80 [ 175.341142][ T903] fib6_nh_init+0x3d8/0x15b0 [ 175.341142][ T903] ip6_route_info_create+0xf18/0x17d0 [ 175.341142][ T903] ip6_route_add+0x1c/0x140 [ 175.341142][ T903] addrconf_add_mroute+0x129/0x180 [ 175.341142][ T903] addrconf_add_dev+0xe2/0x170 [ 175.341142][ T903] inet6_addr_add+0x12f/0xa40 [ 175.341142][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 175.341142][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.341142][ T903] netlink_rcv_skb+0x130/0x360 [ 175.341142][ T903] netlink_unicast+0x449/0x710 [ 175.341142][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.341142][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.341142][ T903] ___sys_sendmsg+0xee/0x170 [ 175.341142][ T903] __sys_sendmsg+0xcd/0x170 [ 175.341142][ T903] do_syscall_64+0xc6/0x1e0 [ 175.341142][ T903] [ 175.343359][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 175.343359][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 175.343359][ T903] ipv6_find_idev+0x102/0x170 [ 175.343359][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.343359][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.343359][ T903] netlink_rcv_skb+0x130/0x360 [ 175.343359][ T903] netlink_unicast+0x449/0x710 [ 175.343359][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.343359][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.343359][ T903] ___sys_sendmsg+0xee/0x170 [ 175.343359][ T903] __sys_sendmsg+0xcd/0x170 [ 175.343359][ T903] do_syscall_64+0xc6/0x1e0 [ 175.343359][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.343359][ T903] [ 175.345110][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 175.345110][ T903] neigh_parms_alloc+0x1e5/0x510 [ 175.345110][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 175.345110][ T903] ipv6_find_idev+0x102/0x170 [ 175.345110][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.345110][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.345110][ T903] netlink_rcv_skb+0x130/0x360 [ 175.345110][ T903] netlink_unicast+0x449/0x710 [ 175.345110][ T903] netlink_sendmsg+0x723/0xbe0 [ 175.345110][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 175.345110][ T903] ___sys_sendmsg+0xee/0x170 [ 175.345110][ T903] __sys_sendmsg+0xcd/0x170 [ 175.345110][ T903] do_syscall_64+0xc6/0x1e0 [ 175.345110][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.345110][ T903] [ 185.597761][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 185.598407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 185.598407][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 185.598407][ T903] ip6_validate_gw+0x3eb/0x790 [ 185.598407][ T903] fib6_nh_init+0xa5b/0x15b0 [ 185.598407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 185.598407][ T903] ip6_route_add+0x1c/0x140 [ 185.598407][ T903] inet6_rtm_newroute+0x104/0x110 [ 185.598407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.598407][ T903] netlink_rcv_skb+0x130/0x360 [ 185.598407][ T903] netlink_unicast+0x449/0x710 [ 185.598407][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.598407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.598407][ T903] ___sys_sendmsg+0xee/0x170 [ 185.598407][ T903] __sys_sendmsg+0xcd/0x170 [ 185.598407][ T903] do_syscall_64+0xc6/0x1e0 [ 185.598407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.598407][ T903] [ 185.600551][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 185.600551][ T903] netdev_get_by_index+0x5e/0x80 [ 185.600551][ T903] fib6_nh_init+0x3d8/0x15b0 [ 185.600551][ T903] ip6_route_info_create+0xf18/0x17d0 [ 185.600551][ T903] ip6_route_add+0x1c/0x140 [ 185.600551][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 185.600551][ T903] inet6_addr_add+0x4f8/0xa40 [ 185.600551][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 185.600551][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.600551][ T903] netlink_rcv_skb+0x130/0x360 [ 185.600551][ T903] netlink_unicast+0x449/0x710 [ 185.600551][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.600551][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.600551][ T903] ___sys_sendmsg+0xee/0x170 [ 185.600551][ T903] __sys_sendmsg+0xcd/0x170 [ 185.600551][ T903] do_syscall_64+0xc6/0x1e0 [ 185.600551][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.600551][ T903] [ 185.602799][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 185.602799][ T903] netdev_get_by_index+0x5e/0x80 [ 185.602799][ T903] fib6_nh_init+0x3d8/0x15b0 [ 185.602799][ T903] ip6_route_info_create+0xf18/0x17d0 [ 185.602799][ T903] addrconf_f6i_alloc+0x244/0x410 [ 185.602799][ T903] ipv6_add_addr+0x411/0x2000 [ 185.602799][ T903] inet6_addr_add+0x30e/0xa40 [ 185.602799][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 185.602799][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.602799][ T903] netlink_rcv_skb+0x130/0x360 [ 185.602799][ T903] netlink_unicast+0x449/0x710 [ 185.602799][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.602799][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.602799][ T903] ___sys_sendmsg+0xee/0x170 [ 185.602799][ T903] __sys_sendmsg+0xcd/0x170 [ 185.602799][ T903] do_syscall_64+0xc6/0x1e0 [ 185.602799][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.602799][ T903] [ 185.605047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 185.605047][ T903] netdev_get_by_index+0x5e/0x80 [ 185.605047][ T903] fib6_nh_init+0x3d8/0x15b0 [ 185.605047][ T903] ip6_route_info_create+0xf18/0x17d0 [ 185.605047][ T903] ip6_route_add+0x1c/0x140 [ 185.605047][ T903] addrconf_add_mroute+0x129/0x180 [ 185.605047][ T903] addrconf_add_dev+0xe2/0x170 [ 185.605047][ T903] inet6_addr_add+0x12f/0xa40 [ 185.605047][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 185.605047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.605047][ T903] netlink_rcv_skb+0x130/0x360 [ 185.605047][ T903] netlink_unicast+0x449/0x710 [ 185.605047][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.605047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.605047][ T903] ___sys_sendmsg+0xee/0x170 [ 185.605047][ T903] __sys_sendmsg+0xcd/0x170 [ 185.605047][ T903] do_syscall_64+0xc6/0x1e0 [ 185.605047][ T903] [ 185.607243][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 185.607243][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 185.607243][ T903] ipv6_find_idev+0x102/0x170 [ 185.607243][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 185.607243][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.607243][ T903] netlink_rcv_skb+0x130/0x360 [ 185.607243][ T903] netlink_unicast+0x449/0x710 [ 185.607243][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.607243][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.607243][ T903] ___sys_sendmsg+0xee/0x170 [ 185.607243][ T903] __sys_sendmsg+0xcd/0x170 [ 185.607243][ T903] do_syscall_64+0xc6/0x1e0 [ 185.607243][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.607243][ T903] [ 185.608958][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 185.608958][ T903] neigh_parms_alloc+0x1e5/0x510 [ 185.608958][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 185.608958][ T903] ipv6_find_idev+0x102/0x170 [ 185.608958][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 185.608958][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.608958][ T903] netlink_rcv_skb+0x130/0x360 [ 185.608958][ T903] netlink_unicast+0x449/0x710 [ 185.608958][ T903] netlink_sendmsg+0x723/0xbe0 [ 185.608958][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 185.608958][ T903] ___sys_sendmsg+0xee/0x170 [ 185.608958][ T903] __sys_sendmsg+0xcd/0x170 [ 185.608958][ T903] do_syscall_64+0xc6/0x1e0 [ 185.608958][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.608958][ T903] [ 195.861744][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 195.862214][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 195.862214][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 195.862214][ T903] ip6_validate_gw+0x3eb/0x790 [ 195.862214][ T903] fib6_nh_init+0xa5b/0x15b0 [ 195.862214][ T903] ip6_route_info_create+0xf18/0x17d0 [ 195.862214][ T903] ip6_route_add+0x1c/0x140 [ 195.862214][ T903] inet6_rtm_newroute+0x104/0x110 [ 195.862214][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.862214][ T903] netlink_rcv_skb+0x130/0x360 [ 195.862214][ T903] netlink_unicast+0x449/0x710 [ 195.862214][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.862214][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.862214][ T903] ___sys_sendmsg+0xee/0x170 [ 195.862214][ T903] __sys_sendmsg+0xcd/0x170 [ 195.862214][ T903] do_syscall_64+0xc6/0x1e0 [ 195.862214][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.862214][ T903] [ 195.864364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 195.864364][ T903] netdev_get_by_index+0x5e/0x80 [ 195.864364][ T903] fib6_nh_init+0x3d8/0x15b0 [ 195.864364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 195.864364][ T903] ip6_route_add+0x1c/0x140 [ 195.864364][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 195.864364][ T903] inet6_addr_add+0x4f8/0xa40 [ 195.864364][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 195.864364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.864364][ T903] netlink_rcv_skb+0x130/0x360 [ 195.864364][ T903] netlink_unicast+0x449/0x710 [ 195.864364][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.864364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.864364][ T903] ___sys_sendmsg+0xee/0x170 [ 195.864364][ T903] __sys_sendmsg+0xcd/0x170 [ 195.864364][ T903] do_syscall_64+0xc6/0x1e0 [ 195.864364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.864364][ T903] [ 195.866628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 195.866628][ T903] netdev_get_by_index+0x5e/0x80 [ 195.866628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 195.866628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 195.866628][ T903] addrconf_f6i_alloc+0x244/0x410 [ 195.866628][ T903] ipv6_add_addr+0x411/0x2000 [ 195.866628][ T903] inet6_addr_add+0x30e/0xa40 [ 195.866628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 195.866628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.866628][ T903] netlink_rcv_skb+0x130/0x360 [ 195.866628][ T903] netlink_unicast+0x449/0x710 [ 195.866628][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.866628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.866628][ T903] ___sys_sendmsg+0xee/0x170 [ 195.866628][ T903] __sys_sendmsg+0xcd/0x170 [ 195.866628][ T903] do_syscall_64+0xc6/0x1e0 [ 195.866628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.866628][ T903] [ 195.868881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 195.868881][ T903] netdev_get_by_index+0x5e/0x80 [ 195.868881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 195.868881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 195.868881][ T903] ip6_route_add+0x1c/0x140 [ 195.868881][ T903] addrconf_add_mroute+0x129/0x180 [ 195.868881][ T903] addrconf_add_dev+0xe2/0x170 [ 195.868881][ T903] inet6_addr_add+0x12f/0xa40 [ 195.868881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 195.868881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.868881][ T903] netlink_rcv_skb+0x130/0x360 [ 195.868881][ T903] netlink_unicast+0x449/0x710 [ 195.868881][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.868881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.868881][ T903] ___sys_sendmsg+0xee/0x170 [ 195.868881][ T903] __sys_sendmsg+0xcd/0x170 [ 195.868881][ T903] do_syscall_64+0xc6/0x1e0 [ 195.868881][ T903] [ 195.871162][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 195.871162][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 195.871162][ T903] ipv6_find_idev+0x102/0x170 [ 195.871162][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 195.871162][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.871162][ T903] netlink_rcv_skb+0x130/0x360 [ 195.871162][ T903] netlink_unicast+0x449/0x710 [ 195.871162][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.871162][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.871162][ T903] ___sys_sendmsg+0xee/0x170 [ 195.871162][ T903] __sys_sendmsg+0xcd/0x170 [ 195.871162][ T903] do_syscall_64+0xc6/0x1e0 [ 195.871162][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.871162][ T903] [ 195.872897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 195.872897][ T903] neigh_parms_alloc+0x1e5/0x510 [ 195.872897][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 195.872897][ T903] ipv6_find_idev+0x102/0x170 [ 195.872897][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 195.872897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.872897][ T903] netlink_rcv_skb+0x130/0x360 [ 195.872897][ T903] netlink_unicast+0x449/0x710 [ 195.872897][ T903] netlink_sendmsg+0x723/0xbe0 [ 195.872897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 195.872897][ T903] ___sys_sendmsg+0xee/0x170 [ 195.872897][ T903] __sys_sendmsg+0xcd/0x170 [ 195.872897][ T903] do_syscall_64+0xc6/0x1e0 [ 195.872897][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.872897][ T903] [ 206.125753][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 206.126288][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 206.126288][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 206.126288][ T903] ip6_validate_gw+0x3eb/0x790 [ 206.126288][ T903] fib6_nh_init+0xa5b/0x15b0 [ 206.126288][ T903] ip6_route_info_create+0xf18/0x17d0 [ 206.126288][ T903] ip6_route_add+0x1c/0x140 [ 206.126288][ T903] inet6_rtm_newroute+0x104/0x110 [ 206.126288][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.126288][ T903] netlink_rcv_skb+0x130/0x360 [ 206.126288][ T903] netlink_unicast+0x449/0x710 [ 206.126288][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.126288][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.126288][ T903] ___sys_sendmsg+0xee/0x170 [ 206.126288][ T903] __sys_sendmsg+0xcd/0x170 [ 206.126288][ T903] do_syscall_64+0xc6/0x1e0 [ 206.126288][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.126288][ T903] [ 206.128385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 206.128385][ T903] netdev_get_by_index+0x5e/0x80 [ 206.128385][ T903] fib6_nh_init+0x3d8/0x15b0 [ 206.128385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 206.128385][ T903] ip6_route_add+0x1c/0x140 [ 206.128385][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 206.128385][ T903] inet6_addr_add+0x4f8/0xa40 [ 206.128385][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 206.128385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.128385][ T903] netlink_rcv_skb+0x130/0x360 [ 206.128385][ T903] netlink_unicast+0x449/0x710 [ 206.128385][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.128385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.128385][ T903] ___sys_sendmsg+0xee/0x170 [ 206.128385][ T903] __sys_sendmsg+0xcd/0x170 [ 206.128385][ T903] do_syscall_64+0xc6/0x1e0 [ 206.128385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.128385][ T903] [ 206.130627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 206.130627][ T903] netdev_get_by_index+0x5e/0x80 [ 206.130627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 206.130627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 206.130627][ T903] addrconf_f6i_alloc+0x244/0x410 [ 206.130627][ T903] ipv6_add_addr+0x411/0x2000 [ 206.130627][ T903] inet6_addr_add+0x30e/0xa40 [ 206.130627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 206.130627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.130627][ T903] netlink_rcv_skb+0x130/0x360 [ 206.130627][ T903] netlink_unicast+0x449/0x710 [ 206.130627][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.130627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.130627][ T903] ___sys_sendmsg+0xee/0x170 [ 206.130627][ T903] __sys_sendmsg+0xcd/0x170 [ 206.130627][ T903] do_syscall_64+0xc6/0x1e0 [ 206.130627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.130627][ T903] [ 206.132863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 206.132863][ T903] netdev_get_by_index+0x5e/0x80 [ 206.132863][ T903] fib6_nh_init+0x3d8/0x15b0 [ 206.132863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 206.132863][ T903] ip6_route_add+0x1c/0x140 [ 206.132863][ T903] addrconf_add_mroute+0x129/0x180 [ 206.132863][ T903] addrconf_add_dev+0xe2/0x170 [ 206.132863][ T903] inet6_addr_add+0x12f/0xa40 [ 206.132863][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 206.132863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.132863][ T903] netlink_rcv_skb+0x130/0x360 [ 206.132863][ T903] netlink_unicast+0x449/0x710 [ 206.132863][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.132863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.132863][ T903] ___sys_sendmsg+0xee/0x170 [ 206.132863][ T903] __sys_sendmsg+0xcd/0x170 [ 206.132863][ T903] do_syscall_64+0xc6/0x1e0 [ 206.132863][ T903] [ 206.135017][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 206.135017][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 206.135017][ T903] ipv6_find_idev+0x102/0x170 [ 206.135017][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 206.135017][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.135017][ T903] netlink_rcv_skb+0x130/0x360 [ 206.135017][ T903] netlink_unicast+0x449/0x710 [ 206.135017][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.135017][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.135017][ T903] ___sys_sendmsg+0xee/0x170 [ 206.135017][ T903] __sys_sendmsg+0xcd/0x170 [ 206.135017][ T903] do_syscall_64+0xc6/0x1e0 [ 206.135017][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.135017][ T903] [ 206.136698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 206.136698][ T903] neigh_parms_alloc+0x1e5/0x510 [ 206.136698][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 206.136698][ T903] ipv6_find_idev+0x102/0x170 [ 206.136698][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 206.136698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 206.136698][ T903] netlink_rcv_skb+0x130/0x360 [ 206.136698][ T903] netlink_unicast+0x449/0x710 [ 206.136698][ T903] netlink_sendmsg+0x723/0xbe0 [ 206.136698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 206.136698][ T903] ___sys_sendmsg+0xee/0x170 [ 206.136698][ T903] __sys_sendmsg+0xcd/0x170 [ 206.136698][ T903] do_syscall_64+0xc6/0x1e0 [ 206.136698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 206.136698][ T903] [ 216.349803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 216.350289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 216.350289][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 216.350289][ T903] ip6_validate_gw+0x3eb/0x790 [ 216.350289][ T903] fib6_nh_init+0xa5b/0x15b0 [ 216.350289][ T903] ip6_route_info_create+0xf18/0x17d0 [ 216.350289][ T903] ip6_route_add+0x1c/0x140 [ 216.350289][ T903] inet6_rtm_newroute+0x104/0x110 [ 216.350289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.350289][ T903] netlink_rcv_skb+0x130/0x360 [ 216.350289][ T903] netlink_unicast+0x449/0x710 [ 216.350289][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.350289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.350289][ T903] ___sys_sendmsg+0xee/0x170 [ 216.350289][ T903] __sys_sendmsg+0xcd/0x170 [ 216.350289][ T903] do_syscall_64+0xc6/0x1e0 [ 216.350289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.350289][ T903] [ 216.352447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 216.352447][ T903] netdev_get_by_index+0x5e/0x80 [ 216.352447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 216.352447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 216.352447][ T903] ip6_route_add+0x1c/0x140 [ 216.352447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 216.352447][ T903] inet6_addr_add+0x4f8/0xa40 [ 216.352447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 216.352447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.352447][ T903] netlink_rcv_skb+0x130/0x360 [ 216.352447][ T903] netlink_unicast+0x449/0x710 [ 216.352447][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.352447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.352447][ T903] ___sys_sendmsg+0xee/0x170 [ 216.352447][ T903] __sys_sendmsg+0xcd/0x170 [ 216.352447][ T903] do_syscall_64+0xc6/0x1e0 [ 216.352447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.352447][ T903] [ 216.354710][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 216.354710][ T903] netdev_get_by_index+0x5e/0x80 [ 216.354710][ T903] fib6_nh_init+0x3d8/0x15b0 [ 216.354710][ T903] ip6_route_info_create+0xf18/0x17d0 [ 216.354710][ T903] addrconf_f6i_alloc+0x244/0x410 [ 216.354710][ T903] ipv6_add_addr+0x411/0x2000 [ 216.354710][ T903] inet6_addr_add+0x30e/0xa40 [ 216.354710][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 216.354710][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.354710][ T903] netlink_rcv_skb+0x130/0x360 [ 216.354710][ T903] netlink_unicast+0x449/0x710 [ 216.354710][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.354710][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.354710][ T903] ___sys_sendmsg+0xee/0x170 [ 216.354710][ T903] __sys_sendmsg+0xcd/0x170 [ 216.354710][ T903] do_syscall_64+0xc6/0x1e0 [ 216.354710][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.354710][ T903] [ 216.356935][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 216.356935][ T903] netdev_get_by_index+0x5e/0x80 [ 216.356935][ T903] fib6_nh_init+0x3d8/0x15b0 [ 216.356935][ T903] ip6_route_info_create+0xf18/0x17d0 [ 216.356935][ T903] ip6_route_add+0x1c/0x140 [ 216.356935][ T903] addrconf_add_mroute+0x129/0x180 [ 216.356935][ T903] addrconf_add_dev+0xe2/0x170 [ 216.356935][ T903] inet6_addr_add+0x12f/0xa40 [ 216.356935][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 216.356935][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.356935][ T903] netlink_rcv_skb+0x130/0x360 [ 216.356935][ T903] netlink_unicast+0x449/0x710 [ 216.356935][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.356935][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.356935][ T903] ___sys_sendmsg+0xee/0x170 [ 216.356935][ T903] __sys_sendmsg+0xcd/0x170 [ 216.356935][ T903] do_syscall_64+0xc6/0x1e0 [ 216.356935][ T903] [ 216.359135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 216.359135][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 216.359135][ T903] ipv6_find_idev+0x102/0x170 [ 216.359135][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 216.359135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.359135][ T903] netlink_rcv_skb+0x130/0x360 [ 216.359135][ T903] netlink_unicast+0x449/0x710 [ 216.359135][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.359135][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.359135][ T903] ___sys_sendmsg+0xee/0x170 [ 216.359135][ T903] __sys_sendmsg+0xcd/0x170 [ 216.359135][ T903] do_syscall_64+0xc6/0x1e0 [ 216.359135][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.359135][ T903] [ 216.360820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 216.360820][ T903] neigh_parms_alloc+0x1e5/0x510 [ 216.360820][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 216.360820][ T903] ipv6_find_idev+0x102/0x170 [ 216.360820][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 216.360820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 216.360820][ T903] netlink_rcv_skb+0x130/0x360 [ 216.360820][ T903] netlink_unicast+0x449/0x710 [ 216.360820][ T903] netlink_sendmsg+0x723/0xbe0 [ 216.360820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 216.360820][ T903] ___sys_sendmsg+0xee/0x170 [ 216.360820][ T903] __sys_sendmsg+0xcd/0x170 [ 216.360820][ T903] do_syscall_64+0xc6/0x1e0 [ 216.360820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 216.360820][ T903] [ 226.421771][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 226.422270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 226.422270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 226.422270][ T903] ip6_validate_gw+0x3eb/0x790 [ 226.422270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 226.422270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 226.422270][ T903] ip6_route_add+0x1c/0x140 [ 226.422270][ T903] inet6_rtm_newroute+0x104/0x110 [ 226.422270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.422270][ T903] netlink_rcv_skb+0x130/0x360 [ 226.422270][ T903] netlink_unicast+0x449/0x710 [ 226.422270][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.422270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.422270][ T903] ___sys_sendmsg+0xee/0x170 [ 226.422270][ T903] __sys_sendmsg+0xcd/0x170 [ 226.422270][ T903] do_syscall_64+0xc6/0x1e0 [ 226.422270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 226.422270][ T903] [ 226.424526][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 226.424526][ T903] netdev_get_by_index+0x5e/0x80 [ 226.424526][ T903] fib6_nh_init+0x3d8/0x15b0 [ 226.424526][ T903] ip6_route_info_create+0xf18/0x17d0 [ 226.424526][ T903] ip6_route_add+0x1c/0x140 [ 226.424526][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 226.424526][ T903] inet6_addr_add+0x4f8/0xa40 [ 226.424526][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 226.424526][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.424526][ T903] netlink_rcv_skb+0x130/0x360 [ 226.424526][ T903] netlink_unicast+0x449/0x710 [ 226.424526][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.424526][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.424526][ T903] ___sys_sendmsg+0xee/0x170 [ 226.424526][ T903] __sys_sendmsg+0xcd/0x170 [ 226.424526][ T903] do_syscall_64+0xc6/0x1e0 [ 226.424526][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 226.424526][ T903] [ 226.426967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 226.426967][ T903] netdev_get_by_index+0x5e/0x80 [ 226.426967][ T903] fib6_nh_init+0x3d8/0x15b0 [ 226.426967][ T903] ip6_route_info_create+0xf18/0x17d0 [ 226.426967][ T903] addrconf_f6i_alloc+0x244/0x410 [ 226.426967][ T903] ipv6_add_addr+0x411/0x2000 [ 226.426967][ T903] inet6_addr_add+0x30e/0xa40 [ 226.426967][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 226.426967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.426967][ T903] netlink_rcv_skb+0x130/0x360 [ 226.426967][ T903] netlink_unicast+0x449/0x710 [ 226.426967][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.426967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.426967][ T903] ___sys_sendmsg+0xee/0x170 [ 226.426967][ T903] __sys_sendmsg+0xcd/0x170 [ 226.426967][ T903] do_syscall_64+0xc6/0x1e0 [ 226.426967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 226.426967][ T903] [ 226.429357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 226.429357][ T903] netdev_get_by_index+0x5e/0x80 [ 226.429357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 226.429357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 226.429357][ T903] ip6_route_add+0x1c/0x140 [ 226.429357][ T903] addrconf_add_mroute+0x129/0x180 [ 226.429357][ T903] addrconf_add_dev+0xe2/0x170 [ 226.429357][ T903] inet6_addr_add+0x12f/0xa40 [ 226.429357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 226.429357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.429357][ T903] netlink_rcv_skb+0x130/0x360 [ 226.429357][ T903] netlink_unicast+0x449/0x710 [ 226.429357][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.429357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.429357][ T903] ___sys_sendmsg+0xee/0x170 [ 226.429357][ T903] __sys_sendmsg+0xcd/0x170 [ 226.429357][ T903] do_syscall_64+0xc6/0x1e0 [ 226.429357][ T903] [ 226.431737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 226.431737][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 226.431737][ T903] ipv6_find_idev+0x102/0x170 [ 226.431737][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 226.431737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.431737][ T903] netlink_rcv_skb+0x130/0x360 [ 226.431737][ T903] netlink_unicast+0x449/0x710 [ 226.431737][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.431737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.431737][ T903] ___sys_sendmsg+0xee/0x170 [ 226.431737][ T903] __sys_sendmsg+0xcd/0x170 [ 226.431737][ T903] do_syscall_64+0xc6/0x1e0 [ 226.431737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 226.431737][ T903] [ 226.433497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 226.433497][ T903] neigh_parms_alloc+0x1e5/0x510 [ 226.433497][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 226.433497][ T903] ipv6_find_idev+0x102/0x170 [ 226.433497][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 226.433497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 226.433497][ T903] netlink_rcv_skb+0x130/0x360 [ 226.433497][ T903] netlink_unicast+0x449/0x710 [ 226.433497][ T903] netlink_sendmsg+0x723/0xbe0 [ 226.433497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 226.433497][ T903] ___sys_sendmsg+0xee/0x170 [ 226.433497][ T903] __sys_sendmsg+0xcd/0x170 [ 226.433497][ T903] do_syscall_64+0xc6/0x1e0 [ 226.433497][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 226.433497][ T903] [ 236.677810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 236.678351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 236.678351][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 236.678351][ T903] ip6_validate_gw+0x3eb/0x790 [ 236.678351][ T903] fib6_nh_init+0xa5b/0x15b0 [ 236.678351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 236.678351][ T903] ip6_route_add+0x1c/0x140 [ 236.678351][ T903] inet6_rtm_newroute+0x104/0x110 [ 236.678351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.678351][ T903] netlink_rcv_skb+0x130/0x360 [ 236.678351][ T903] netlink_unicast+0x449/0x710 [ 236.678351][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.678351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.678351][ T903] ___sys_sendmsg+0xee/0x170 [ 236.678351][ T903] __sys_sendmsg+0xcd/0x170 [ 236.678351][ T903] do_syscall_64+0xc6/0x1e0 [ 236.678351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.678351][ T903] [ 236.680498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 236.680498][ T903] netdev_get_by_index+0x5e/0x80 [ 236.680498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 236.680498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 236.680498][ T903] ip6_route_add+0x1c/0x140 [ 236.680498][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 236.680498][ T903] inet6_addr_add+0x4f8/0xa40 [ 236.680498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 236.680498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.680498][ T903] netlink_rcv_skb+0x130/0x360 [ 236.680498][ T903] netlink_unicast+0x449/0x710 [ 236.680498][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.680498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.680498][ T903] ___sys_sendmsg+0xee/0x170 [ 236.680498][ T903] __sys_sendmsg+0xcd/0x170 [ 236.680498][ T903] do_syscall_64+0xc6/0x1e0 [ 236.680498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.680498][ T903] [ 236.682728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 236.682728][ T903] netdev_get_by_index+0x5e/0x80 [ 236.682728][ T903] fib6_nh_init+0x3d8/0x15b0 [ 236.682728][ T903] ip6_route_info_create+0xf18/0x17d0 [ 236.682728][ T903] addrconf_f6i_alloc+0x244/0x410 [ 236.682728][ T903] ipv6_add_addr+0x411/0x2000 [ 236.682728][ T903] inet6_addr_add+0x30e/0xa40 [ 236.682728][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 236.682728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.682728][ T903] netlink_rcv_skb+0x130/0x360 [ 236.682728][ T903] netlink_unicast+0x449/0x710 [ 236.682728][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.682728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.682728][ T903] ___sys_sendmsg+0xee/0x170 [ 236.682728][ T903] __sys_sendmsg+0xcd/0x170 [ 236.682728][ T903] do_syscall_64+0xc6/0x1e0 [ 236.682728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.682728][ T903] [ 236.684957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 236.684957][ T903] netdev_get_by_index+0x5e/0x80 [ 236.684957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 236.684957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 236.684957][ T903] ip6_route_add+0x1c/0x140 [ 236.684957][ T903] addrconf_add_mroute+0x129/0x180 [ 236.684957][ T903] addrconf_add_dev+0xe2/0x170 [ 236.684957][ T903] inet6_addr_add+0x12f/0xa40 [ 236.684957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 236.684957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.684957][ T903] netlink_rcv_skb+0x130/0x360 [ 236.684957][ T903] netlink_unicast+0x449/0x710 [ 236.684957][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.684957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.684957][ T903] ___sys_sendmsg+0xee/0x170 [ 236.684957][ T903] __sys_sendmsg+0xcd/0x170 [ 236.684957][ T903] do_syscall_64+0xc6/0x1e0 [ 236.684957][ T903] [ 236.687149][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 236.687149][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 236.687149][ T903] ipv6_find_idev+0x102/0x170 [ 236.687149][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 236.687149][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.687149][ T903] netlink_rcv_skb+0x130/0x360 [ 236.687149][ T903] netlink_unicast+0x449/0x710 [ 236.687149][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.687149][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.687149][ T903] ___sys_sendmsg+0xee/0x170 [ 236.687149][ T903] __sys_sendmsg+0xcd/0x170 [ 236.687149][ T903] do_syscall_64+0xc6/0x1e0 [ 236.687149][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.687149][ T903] [ 236.688857][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 236.688857][ T903] neigh_parms_alloc+0x1e5/0x510 [ 236.688857][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 236.688857][ T903] ipv6_find_idev+0x102/0x170 [ 236.688857][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 236.688857][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.688857][ T903] netlink_rcv_skb+0x130/0x360 [ 236.688857][ T903] netlink_unicast+0x449/0x710 [ 236.688857][ T903] netlink_sendmsg+0x723/0xbe0 [ 236.688857][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 236.688857][ T903] ___sys_sendmsg+0xee/0x170 [ 236.688857][ T903] __sys_sendmsg+0xcd/0x170 [ 236.688857][ T903] do_syscall_64+0xc6/0x1e0 [ 236.688857][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.688857][ T903] [ 246.933872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 246.934363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 246.934363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 246.934363][ T903] ip6_validate_gw+0x3eb/0x790 [ 246.934363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 246.934363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 246.934363][ T903] ip6_route_add+0x1c/0x140 [ 246.934363][ T903] inet6_rtm_newroute+0x104/0x110 [ 246.934363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.934363][ T903] netlink_rcv_skb+0x130/0x360 [ 246.934363][ T903] netlink_unicast+0x449/0x710 [ 246.934363][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.934363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.934363][ T903] ___sys_sendmsg+0xee/0x170 [ 246.934363][ T903] __sys_sendmsg+0xcd/0x170 [ 246.934363][ T903] do_syscall_64+0xc6/0x1e0 [ 246.934363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.934363][ T903] [ 246.936498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 246.936498][ T903] netdev_get_by_index+0x5e/0x80 [ 246.936498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 246.936498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 246.936498][ T903] ip6_route_add+0x1c/0x140 [ 246.936498][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 246.936498][ T903] inet6_addr_add+0x4f8/0xa40 [ 246.936498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 246.936498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.936498][ T903] netlink_rcv_skb+0x130/0x360 [ 246.936498][ T903] netlink_unicast+0x449/0x710 [ 246.936498][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.936498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.936498][ T903] ___sys_sendmsg+0xee/0x170 [ 246.936498][ T903] __sys_sendmsg+0xcd/0x170 [ 246.936498][ T903] do_syscall_64+0xc6/0x1e0 [ 246.936498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.936498][ T903] [ 246.938723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 246.938723][ T903] netdev_get_by_index+0x5e/0x80 [ 246.938723][ T903] fib6_nh_init+0x3d8/0x15b0 [ 246.938723][ T903] ip6_route_info_create+0xf18/0x17d0 [ 246.938723][ T903] addrconf_f6i_alloc+0x244/0x410 [ 246.938723][ T903] ipv6_add_addr+0x411/0x2000 [ 246.938723][ T903] inet6_addr_add+0x30e/0xa40 [ 246.938723][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 246.938723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.938723][ T903] netlink_rcv_skb+0x130/0x360 [ 246.938723][ T903] netlink_unicast+0x449/0x710 [ 246.938723][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.938723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.938723][ T903] ___sys_sendmsg+0xee/0x170 [ 246.938723][ T903] __sys_sendmsg+0xcd/0x170 [ 246.938723][ T903] do_syscall_64+0xc6/0x1e0 [ 246.938723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.938723][ T903] [ 246.940986][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 246.940986][ T903] netdev_get_by_index+0x5e/0x80 [ 246.940986][ T903] fib6_nh_init+0x3d8/0x15b0 [ 246.940986][ T903] ip6_route_info_create+0xf18/0x17d0 [ 246.940986][ T903] ip6_route_add+0x1c/0x140 [ 246.940986][ T903] addrconf_add_mroute+0x129/0x180 [ 246.940986][ T903] addrconf_add_dev+0xe2/0x170 [ 246.940986][ T903] inet6_addr_add+0x12f/0xa40 [ 246.940986][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 246.940986][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.940986][ T903] netlink_rcv_skb+0x130/0x360 [ 246.940986][ T903] netlink_unicast+0x449/0x710 [ 246.940986][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.940986][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.940986][ T903] ___sys_sendmsg+0xee/0x170 [ 246.940986][ T903] __sys_sendmsg+0xcd/0x170 [ 246.940986][ T903] do_syscall_64+0xc6/0x1e0 [ 246.940986][ T903] [ 246.943170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 246.943170][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 246.943170][ T903] ipv6_find_idev+0x102/0x170 [ 246.943170][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 246.943170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.943170][ T903] netlink_rcv_skb+0x130/0x360 [ 246.943170][ T903] netlink_unicast+0x449/0x710 [ 246.943170][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.943170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.943170][ T903] ___sys_sendmsg+0xee/0x170 [ 246.943170][ T903] __sys_sendmsg+0xcd/0x170 [ 246.943170][ T903] do_syscall_64+0xc6/0x1e0 [ 246.943170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.943170][ T903] [ 246.944875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 246.944875][ T903] neigh_parms_alloc+0x1e5/0x510 [ 246.944875][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 246.944875][ T903] ipv6_find_idev+0x102/0x170 [ 246.944875][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 246.944875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.944875][ T903] netlink_rcv_skb+0x130/0x360 [ 246.944875][ T903] netlink_unicast+0x449/0x710 [ 246.944875][ T903] netlink_sendmsg+0x723/0xbe0 [ 246.944875][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 246.944875][ T903] ___sys_sendmsg+0xee/0x170 [ 246.944875][ T903] __sys_sendmsg+0xcd/0x170 [ 246.944875][ T903] do_syscall_64+0xc6/0x1e0 [ 246.944875][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.944875][ T903] [ 257.189816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 257.190269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 257.190269][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 257.190269][ T903] ip6_validate_gw+0x3eb/0x790 [ 257.190269][ T903] fib6_nh_init+0xa5b/0x15b0 [ 257.190269][ T903] ip6_route_info_create+0xf18/0x17d0 [ 257.190269][ T903] ip6_route_add+0x1c/0x140 [ 257.190269][ T903] inet6_rtm_newroute+0x104/0x110 [ 257.190269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.190269][ T903] netlink_rcv_skb+0x130/0x360 [ 257.190269][ T903] netlink_unicast+0x449/0x710 [ 257.190269][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.190269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.190269][ T903] ___sys_sendmsg+0xee/0x170 [ 257.190269][ T903] __sys_sendmsg+0xcd/0x170 [ 257.190269][ T903] do_syscall_64+0xc6/0x1e0 [ 257.190269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.190269][ T903] [ 257.192393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 257.192393][ T903] netdev_get_by_index+0x5e/0x80 [ 257.192393][ T903] fib6_nh_init+0x3d8/0x15b0 [ 257.192393][ T903] ip6_route_info_create+0xf18/0x17d0 [ 257.192393][ T903] ip6_route_add+0x1c/0x140 [ 257.192393][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 257.192393][ T903] inet6_addr_add+0x4f8/0xa40 [ 257.192393][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 257.192393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.192393][ T903] netlink_rcv_skb+0x130/0x360 [ 257.192393][ T903] netlink_unicast+0x449/0x710 [ 257.192393][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.192393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.192393][ T903] ___sys_sendmsg+0xee/0x170 [ 257.192393][ T903] __sys_sendmsg+0xcd/0x170 [ 257.192393][ T903] do_syscall_64+0xc6/0x1e0 [ 257.192393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.192393][ T903] [ 257.194583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 257.194583][ T903] netdev_get_by_index+0x5e/0x80 [ 257.194583][ T903] fib6_nh_init+0x3d8/0x15b0 [ 257.194583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 257.194583][ T903] addrconf_f6i_alloc+0x244/0x410 [ 257.194583][ T903] ipv6_add_addr+0x411/0x2000 [ 257.194583][ T903] inet6_addr_add+0x30e/0xa40 [ 257.194583][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 257.194583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.194583][ T903] netlink_rcv_skb+0x130/0x360 [ 257.194583][ T903] netlink_unicast+0x449/0x710 [ 257.194583][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.194583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.194583][ T903] ___sys_sendmsg+0xee/0x170 [ 257.194583][ T903] __sys_sendmsg+0xcd/0x170 [ 257.194583][ T903] do_syscall_64+0xc6/0x1e0 [ 257.194583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.194583][ T903] [ 257.196772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 257.196772][ T903] netdev_get_by_index+0x5e/0x80 [ 257.196772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 257.196772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 257.196772][ T903] ip6_route_add+0x1c/0x140 [ 257.196772][ T903] addrconf_add_mroute+0x129/0x180 [ 257.196772][ T903] addrconf_add_dev+0xe2/0x170 [ 257.196772][ T903] inet6_addr_add+0x12f/0xa40 [ 257.196772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 257.196772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.196772][ T903] netlink_rcv_skb+0x130/0x360 [ 257.196772][ T903] netlink_unicast+0x449/0x710 [ 257.196772][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.196772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.196772][ T903] ___sys_sendmsg+0xee/0x170 [ 257.196772][ T903] __sys_sendmsg+0xcd/0x170 [ 257.196772][ T903] do_syscall_64+0xc6/0x1e0 [ 257.196772][ T903] [ 257.198929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 257.198929][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 257.198929][ T903] ipv6_find_idev+0x102/0x170 [ 257.198929][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 257.198929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.198929][ T903] netlink_rcv_skb+0x130/0x360 [ 257.198929][ T903] netlink_unicast+0x449/0x710 [ 257.198929][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.198929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.198929][ T903] ___sys_sendmsg+0xee/0x170 [ 257.198929][ T903] __sys_sendmsg+0xcd/0x170 [ 257.198929][ T903] do_syscall_64+0xc6/0x1e0 [ 257.198929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.198929][ T903] [ 257.200637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 257.200637][ T903] neigh_parms_alloc+0x1e5/0x510 [ 257.200637][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 257.200637][ T903] ipv6_find_idev+0x102/0x170 [ 257.200637][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 257.200637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 257.200637][ T903] netlink_rcv_skb+0x130/0x360 [ 257.200637][ T903] netlink_unicast+0x449/0x710 [ 257.200637][ T903] netlink_sendmsg+0x723/0xbe0 [ 257.200637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 257.200637][ T903] ___sys_sendmsg+0xee/0x170 [ 257.200637][ T903] __sys_sendmsg+0xcd/0x170 [ 257.200637][ T903] do_syscall_64+0xc6/0x1e0 [ 257.200637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 257.200637][ T903] [ 267.437871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 267.438351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 267.438351][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 267.438351][ T903] ip6_validate_gw+0x3eb/0x790 [ 267.438351][ T903] fib6_nh_init+0xa5b/0x15b0 [ 267.438351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 267.438351][ T903] ip6_route_add+0x1c/0x140 [ 267.438351][ T903] inet6_rtm_newroute+0x104/0x110 [ 267.438351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.438351][ T903] netlink_rcv_skb+0x130/0x360 [ 267.438351][ T903] netlink_unicast+0x449/0x710 [ 267.438351][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.438351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.438351][ T903] ___sys_sendmsg+0xee/0x170 [ 267.438351][ T903] __sys_sendmsg+0xcd/0x170 [ 267.438351][ T903] do_syscall_64+0xc6/0x1e0 [ 267.438351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.438351][ T903] [ 267.440507][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 267.440507][ T903] netdev_get_by_index+0x5e/0x80 [ 267.440507][ T903] fib6_nh_init+0x3d8/0x15b0 [ 267.440507][ T903] ip6_route_info_create+0xf18/0x17d0 [ 267.440507][ T903] ip6_route_add+0x1c/0x140 [ 267.440507][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 267.440507][ T903] inet6_addr_add+0x4f8/0xa40 [ 267.440507][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 267.440507][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.440507][ T903] netlink_rcv_skb+0x130/0x360 [ 267.440507][ T903] netlink_unicast+0x449/0x710 [ 267.440507][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.440507][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.440507][ T903] ___sys_sendmsg+0xee/0x170 [ 267.440507][ T903] __sys_sendmsg+0xcd/0x170 [ 267.440507][ T903] do_syscall_64+0xc6/0x1e0 [ 267.440507][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.440507][ T903] [ 267.442748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 267.442748][ T903] netdev_get_by_index+0x5e/0x80 [ 267.442748][ T903] fib6_nh_init+0x3d8/0x15b0 [ 267.442748][ T903] ip6_route_info_create+0xf18/0x17d0 [ 267.442748][ T903] addrconf_f6i_alloc+0x244/0x410 [ 267.442748][ T903] ipv6_add_addr+0x411/0x2000 [ 267.442748][ T903] inet6_addr_add+0x30e/0xa40 [ 267.442748][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 267.442748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.442748][ T903] netlink_rcv_skb+0x130/0x360 [ 267.442748][ T903] netlink_unicast+0x449/0x710 [ 267.442748][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.442748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.442748][ T903] ___sys_sendmsg+0xee/0x170 [ 267.442748][ T903] __sys_sendmsg+0xcd/0x170 [ 267.442748][ T903] do_syscall_64+0xc6/0x1e0 [ 267.442748][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.442748][ T903] [ 267.444972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 267.444972][ T903] netdev_get_by_index+0x5e/0x80 [ 267.444972][ T903] fib6_nh_init+0x3d8/0x15b0 [ 267.444972][ T903] ip6_route_info_create+0xf18/0x17d0 [ 267.444972][ T903] ip6_route_add+0x1c/0x140 [ 267.444972][ T903] addrconf_add_mroute+0x129/0x180 [ 267.444972][ T903] addrconf_add_dev+0xe2/0x170 [ 267.444972][ T903] inet6_addr_add+0x12f/0xa40 [ 267.444972][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 267.444972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.444972][ T903] netlink_rcv_skb+0x130/0x360 [ 267.444972][ T903] netlink_unicast+0x449/0x710 [ 267.444972][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.444972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.444972][ T903] ___sys_sendmsg+0xee/0x170 [ 267.444972][ T903] __sys_sendmsg+0xcd/0x170 [ 267.444972][ T903] do_syscall_64+0xc6/0x1e0 [ 267.444972][ T903] [ 267.447169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 267.447169][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 267.447169][ T903] ipv6_find_idev+0x102/0x170 [ 267.447169][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 267.447169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.447169][ T903] netlink_rcv_skb+0x130/0x360 [ 267.447169][ T903] netlink_unicast+0x449/0x710 [ 267.447169][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.447169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.447169][ T903] ___sys_sendmsg+0xee/0x170 [ 267.447169][ T903] __sys_sendmsg+0xcd/0x170 [ 267.447169][ T903] do_syscall_64+0xc6/0x1e0 [ 267.447169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.447169][ T903] [ 267.448891][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 267.448891][ T903] neigh_parms_alloc+0x1e5/0x510 [ 267.448891][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 267.448891][ T903] ipv6_find_idev+0x102/0x170 [ 267.448891][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 267.448891][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 267.448891][ T903] netlink_rcv_skb+0x130/0x360 [ 267.448891][ T903] netlink_unicast+0x449/0x710 [ 267.448891][ T903] netlink_sendmsg+0x723/0xbe0 [ 267.448891][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 267.448891][ T903] ___sys_sendmsg+0xee/0x170 [ 267.448891][ T903] __sys_sendmsg+0xcd/0x170 [ 267.448891][ T903] do_syscall_64+0xc6/0x1e0 [ 267.448891][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 267.448891][ T903] [ 277.693775][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 277.694282][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 277.694282][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 277.694282][ T903] ip6_validate_gw+0x3eb/0x790 [ 277.694282][ T903] fib6_nh_init+0xa5b/0x15b0 [ 277.694282][ T903] ip6_route_info_create+0xf18/0x17d0 [ 277.694282][ T903] ip6_route_add+0x1c/0x140 [ 277.694282][ T903] inet6_rtm_newroute+0x104/0x110 [ 277.694282][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.694282][ T903] netlink_rcv_skb+0x130/0x360 [ 277.694282][ T903] netlink_unicast+0x449/0x710 [ 277.694282][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.694282][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.694282][ T903] ___sys_sendmsg+0xee/0x170 [ 277.694282][ T903] __sys_sendmsg+0xcd/0x170 [ 277.694282][ T903] do_syscall_64+0xc6/0x1e0 [ 277.694282][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.694282][ T903] [ 277.696419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 277.696419][ T903] netdev_get_by_index+0x5e/0x80 [ 277.696419][ T903] fib6_nh_init+0x3d8/0x15b0 [ 277.696419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 277.696419][ T903] ip6_route_add+0x1c/0x140 [ 277.696419][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 277.696419][ T903] inet6_addr_add+0x4f8/0xa40 [ 277.696419][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 277.696419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.696419][ T903] netlink_rcv_skb+0x130/0x360 [ 277.696419][ T903] netlink_unicast+0x449/0x710 [ 277.696419][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.696419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.696419][ T903] ___sys_sendmsg+0xee/0x170 [ 277.696419][ T903] __sys_sendmsg+0xcd/0x170 [ 277.696419][ T903] do_syscall_64+0xc6/0x1e0 [ 277.696419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.696419][ T903] [ 277.699109][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 277.699109][ T903] netdev_get_by_index+0x5e/0x80 [ 277.699109][ T903] fib6_nh_init+0x3d8/0x15b0 [ 277.699109][ T903] ip6_route_info_create+0xf18/0x17d0 [ 277.699109][ T903] addrconf_f6i_alloc+0x244/0x410 [ 277.699109][ T903] ipv6_add_addr+0x411/0x2000 [ 277.699109][ T903] inet6_addr_add+0x30e/0xa40 [ 277.699109][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 277.699109][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.699109][ T903] netlink_rcv_skb+0x130/0x360 [ 277.699109][ T903] netlink_unicast+0x449/0x710 [ 277.699109][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.699109][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.699109][ T903] ___sys_sendmsg+0xee/0x170 [ 277.699109][ T903] __sys_sendmsg+0xcd/0x170 [ 277.699109][ T903] do_syscall_64+0xc6/0x1e0 [ 277.699109][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.699109][ T903] [ 277.701356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 277.701356][ T903] netdev_get_by_index+0x5e/0x80 [ 277.701356][ T903] fib6_nh_init+0x3d8/0x15b0 [ 277.701356][ T903] ip6_route_info_create+0xf18/0x17d0 [ 277.701356][ T903] ip6_route_add+0x1c/0x140 [ 277.701356][ T903] addrconf_add_mroute+0x129/0x180 [ 277.701356][ T903] addrconf_add_dev+0xe2/0x170 [ 277.701356][ T903] inet6_addr_add+0x12f/0xa40 [ 277.701356][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 277.701356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.701356][ T903] netlink_rcv_skb+0x130/0x360 [ 277.701356][ T903] netlink_unicast+0x449/0x710 [ 277.701356][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.701356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.701356][ T903] ___sys_sendmsg+0xee/0x170 [ 277.701356][ T903] __sys_sendmsg+0xcd/0x170 [ 277.701356][ T903] do_syscall_64+0xc6/0x1e0 [ 277.701356][ T903] [ 277.703548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 277.703548][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 277.703548][ T903] ipv6_find_idev+0x102/0x170 [ 277.703548][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 277.703548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.703548][ T903] netlink_rcv_skb+0x130/0x360 [ 277.703548][ T903] netlink_unicast+0x449/0x710 [ 277.703548][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.703548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.703548][ T903] ___sys_sendmsg+0xee/0x170 [ 277.703548][ T903] __sys_sendmsg+0xcd/0x170 [ 277.703548][ T903] do_syscall_64+0xc6/0x1e0 [ 277.703548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.703548][ T903] [ 277.705256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 277.705256][ T903] neigh_parms_alloc+0x1e5/0x510 [ 277.705256][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 277.705256][ T903] ipv6_find_idev+0x102/0x170 [ 277.705256][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 277.705256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.705256][ T903] netlink_rcv_skb+0x130/0x360 [ 277.705256][ T903] netlink_unicast+0x449/0x710 [ 277.705256][ T903] netlink_sendmsg+0x723/0xbe0 [ 277.705256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 277.705256][ T903] ___sys_sendmsg+0xee/0x170 [ 277.705256][ T903] __sys_sendmsg+0xcd/0x170 [ 277.705256][ T903] do_syscall_64+0xc6/0x1e0 [ 277.705256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.705256][ T903] [ 287.949869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 287.950391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 287.950391][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 287.950391][ T903] ip6_validate_gw+0x3eb/0x790 [ 287.950391][ T903] fib6_nh_init+0xa5b/0x15b0 [ 287.950391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 287.950391][ T903] ip6_route_add+0x1c/0x140 [ 287.950391][ T903] inet6_rtm_newroute+0x104/0x110 [ 287.950391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.950391][ T903] netlink_rcv_skb+0x130/0x360 [ 287.950391][ T903] netlink_unicast+0x449/0x710 [ 287.950391][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.950391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.950391][ T903] ___sys_sendmsg+0xee/0x170 [ 287.950391][ T903] __sys_sendmsg+0xcd/0x170 [ 287.950391][ T903] do_syscall_64+0xc6/0x1e0 [ 287.950391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.950391][ T903] [ 287.952512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 287.952512][ T903] netdev_get_by_index+0x5e/0x80 [ 287.952512][ T903] fib6_nh_init+0x3d8/0x15b0 [ 287.952512][ T903] ip6_route_info_create+0xf18/0x17d0 [ 287.952512][ T903] ip6_route_add+0x1c/0x140 [ 287.952512][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 287.952512][ T903] inet6_addr_add+0x4f8/0xa40 [ 287.952512][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 287.952512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.952512][ T903] netlink_rcv_skb+0x130/0x360 [ 287.952512][ T903] netlink_unicast+0x449/0x710 [ 287.952512][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.952512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.952512][ T903] ___sys_sendmsg+0xee/0x170 [ 287.952512][ T903] __sys_sendmsg+0xcd/0x170 [ 287.952512][ T903] do_syscall_64+0xc6/0x1e0 [ 287.952512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.952512][ T903] [ 287.954725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 287.954725][ T903] netdev_get_by_index+0x5e/0x80 [ 287.954725][ T903] fib6_nh_init+0x3d8/0x15b0 [ 287.954725][ T903] ip6_route_info_create+0xf18/0x17d0 [ 287.954725][ T903] addrconf_f6i_alloc+0x244/0x410 [ 287.954725][ T903] ipv6_add_addr+0x411/0x2000 [ 287.954725][ T903] inet6_addr_add+0x30e/0xa40 [ 287.954725][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 287.954725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.954725][ T903] netlink_rcv_skb+0x130/0x360 [ 287.954725][ T903] netlink_unicast+0x449/0x710 [ 287.954725][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.954725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.954725][ T903] ___sys_sendmsg+0xee/0x170 [ 287.954725][ T903] __sys_sendmsg+0xcd/0x170 [ 287.954725][ T903] do_syscall_64+0xc6/0x1e0 [ 287.954725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.954725][ T903] [ 287.956925][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 287.956925][ T903] netdev_get_by_index+0x5e/0x80 [ 287.956925][ T903] fib6_nh_init+0x3d8/0x15b0 [ 287.956925][ T903] ip6_route_info_create+0xf18/0x17d0 [ 287.956925][ T903] ip6_route_add+0x1c/0x140 [ 287.956925][ T903] addrconf_add_mroute+0x129/0x180 [ 287.956925][ T903] addrconf_add_dev+0xe2/0x170 [ 287.956925][ T903] inet6_addr_add+0x12f/0xa40 [ 287.956925][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 287.956925][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.956925][ T903] netlink_rcv_skb+0x130/0x360 [ 287.956925][ T903] netlink_unicast+0x449/0x710 [ 287.956925][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.956925][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.956925][ T903] ___sys_sendmsg+0xee/0x170 [ 287.956925][ T903] __sys_sendmsg+0xcd/0x170 [ 287.956925][ T903] do_syscall_64+0xc6/0x1e0 [ 287.956925][ T903] [ 287.959090][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 287.959090][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 287.959090][ T903] ipv6_find_idev+0x102/0x170 [ 287.959090][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 287.959090][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.959090][ T903] netlink_rcv_skb+0x130/0x360 [ 287.959090][ T903] netlink_unicast+0x449/0x710 [ 287.959090][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.959090][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.959090][ T903] ___sys_sendmsg+0xee/0x170 [ 287.959090][ T903] __sys_sendmsg+0xcd/0x170 [ 287.959090][ T903] do_syscall_64+0xc6/0x1e0 [ 287.959090][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.959090][ T903] [ 287.960797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 287.960797][ T903] neigh_parms_alloc+0x1e5/0x510 [ 287.960797][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 287.960797][ T903] ipv6_find_idev+0x102/0x170 [ 287.960797][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 287.960797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.960797][ T903] netlink_rcv_skb+0x130/0x360 [ 287.960797][ T903] netlink_unicast+0x449/0x710 [ 287.960797][ T903] netlink_sendmsg+0x723/0xbe0 [ 287.960797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 287.960797][ T903] ___sys_sendmsg+0xee/0x170 [ 287.960797][ T903] __sys_sendmsg+0xcd/0x170 [ 287.960797][ T903] do_syscall_64+0xc6/0x1e0 [ 287.960797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.960797][ T903] [ 298.205749][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 298.206590][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 298.206590][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 298.206590][ T903] ip6_validate_gw+0x3eb/0x790 [ 298.206590][ T903] fib6_nh_init+0xa5b/0x15b0 [ 298.206590][ T903] ip6_route_info_create+0xf18/0x17d0 [ 298.206590][ T903] ip6_route_add+0x1c/0x140 [ 298.206590][ T903] inet6_rtm_newroute+0x104/0x110 [ 298.206590][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.206590][ T903] netlink_rcv_skb+0x130/0x360 [ 298.206590][ T903] netlink_unicast+0x449/0x710 [ 298.206590][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.206590][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.206590][ T903] ___sys_sendmsg+0xee/0x170 [ 298.206590][ T903] __sys_sendmsg+0xcd/0x170 [ 298.206590][ T903] do_syscall_64+0xc6/0x1e0 [ 298.206590][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.206590][ T903] [ 298.208688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 298.208688][ T903] netdev_get_by_index+0x5e/0x80 [ 298.208688][ T903] fib6_nh_init+0x3d8/0x15b0 [ 298.208688][ T903] ip6_route_info_create+0xf18/0x17d0 [ 298.208688][ T903] ip6_route_add+0x1c/0x140 [ 298.208688][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 298.208688][ T903] inet6_addr_add+0x4f8/0xa40 [ 298.208688][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 298.208688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.208688][ T903] netlink_rcv_skb+0x130/0x360 [ 298.208688][ T903] netlink_unicast+0x449/0x710 [ 298.208688][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.208688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.208688][ T903] ___sys_sendmsg+0xee/0x170 [ 298.208688][ T903] __sys_sendmsg+0xcd/0x170 [ 298.208688][ T903] do_syscall_64+0xc6/0x1e0 [ 298.208688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.208688][ T903] [ 298.210912][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 298.210912][ T903] netdev_get_by_index+0x5e/0x80 [ 298.210912][ T903] fib6_nh_init+0x3d8/0x15b0 [ 298.210912][ T903] ip6_route_info_create+0xf18/0x17d0 [ 298.210912][ T903] addrconf_f6i_alloc+0x244/0x410 [ 298.210912][ T903] ipv6_add_addr+0x411/0x2000 [ 298.210912][ T903] inet6_addr_add+0x30e/0xa40 [ 298.210912][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 298.210912][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.210912][ T903] netlink_rcv_skb+0x130/0x360 [ 298.210912][ T903] netlink_unicast+0x449/0x710 [ 298.210912][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.210912][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.210912][ T903] ___sys_sendmsg+0xee/0x170 [ 298.210912][ T903] __sys_sendmsg+0xcd/0x170 [ 298.210912][ T903] do_syscall_64+0xc6/0x1e0 [ 298.210912][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.210912][ T903] [ 298.213166][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 298.213166][ T903] netdev_get_by_index+0x5e/0x80 [ 298.213166][ T903] fib6_nh_init+0x3d8/0x15b0 [ 298.213166][ T903] ip6_route_info_create+0xf18/0x17d0 [ 298.213166][ T903] ip6_route_add+0x1c/0x140 [ 298.213166][ T903] addrconf_add_mroute+0x129/0x180 [ 298.213166][ T903] addrconf_add_dev+0xe2/0x170 [ 298.213166][ T903] inet6_addr_add+0x12f/0xa40 [ 298.213166][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 298.213166][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.213166][ T903] netlink_rcv_skb+0x130/0x360 [ 298.213166][ T903] netlink_unicast+0x449/0x710 [ 298.213166][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.213166][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.213166][ T903] ___sys_sendmsg+0xee/0x170 [ 298.213166][ T903] __sys_sendmsg+0xcd/0x170 [ 298.213166][ T903] do_syscall_64+0xc6/0x1e0 [ 298.213166][ T903] [ 298.215322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 298.215322][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 298.215322][ T903] ipv6_find_idev+0x102/0x170 [ 298.215322][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 298.215322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.215322][ T903] netlink_rcv_skb+0x130/0x360 [ 298.215322][ T903] netlink_unicast+0x449/0x710 [ 298.215322][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.215322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.215322][ T903] ___sys_sendmsg+0xee/0x170 [ 298.215322][ T903] __sys_sendmsg+0xcd/0x170 [ 298.215322][ T903] do_syscall_64+0xc6/0x1e0 [ 298.215322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.215322][ T903] [ 298.217008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 298.217008][ T903] neigh_parms_alloc+0x1e5/0x510 [ 298.217008][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 298.217008][ T903] ipv6_find_idev+0x102/0x170 [ 298.217008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 298.217008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 298.217008][ T903] netlink_rcv_skb+0x130/0x360 [ 298.217008][ T903] netlink_unicast+0x449/0x710 [ 298.217008][ T903] netlink_sendmsg+0x723/0xbe0 [ 298.217008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 298.217008][ T903] ___sys_sendmsg+0xee/0x170 [ 298.217008][ T903] __sys_sendmsg+0xcd/0x170 [ 298.217008][ T903] do_syscall_64+0xc6/0x1e0 [ 298.217008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.217008][ T903] [ 308.461808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 308.462312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 308.462312][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 308.462312][ T903] ip6_validate_gw+0x3eb/0x790 [ 308.462312][ T903] fib6_nh_init+0xa5b/0x15b0 [ 308.462312][ T903] ip6_route_info_create+0xf18/0x17d0 [ 308.462312][ T903] ip6_route_add+0x1c/0x140 [ 308.462312][ T903] inet6_rtm_newroute+0x104/0x110 [ 308.462312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.462312][ T903] netlink_rcv_skb+0x130/0x360 [ 308.462312][ T903] netlink_unicast+0x449/0x710 [ 308.462312][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.462312][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.462312][ T903] ___sys_sendmsg+0xee/0x170 [ 308.462312][ T903] __sys_sendmsg+0xcd/0x170 [ 308.462312][ T903] do_syscall_64+0xc6/0x1e0 [ 308.462312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.462312][ T903] [ 308.464627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 308.464627][ T903] netdev_get_by_index+0x5e/0x80 [ 308.464627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 308.464627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 308.464627][ T903] ip6_route_add+0x1c/0x140 [ 308.464627][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 308.464627][ T903] inet6_addr_add+0x4f8/0xa40 [ 308.464627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 308.464627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.464627][ T903] netlink_rcv_skb+0x130/0x360 [ 308.464627][ T903] netlink_unicast+0x449/0x710 [ 308.464627][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.464627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.464627][ T903] ___sys_sendmsg+0xee/0x170 [ 308.464627][ T903] __sys_sendmsg+0xcd/0x170 [ 308.464627][ T903] do_syscall_64+0xc6/0x1e0 [ 308.464627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.464627][ T903] [ 308.466822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 308.466822][ T903] netdev_get_by_index+0x5e/0x80 [ 308.466822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 308.466822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 308.466822][ T903] addrconf_f6i_alloc+0x244/0x410 [ 308.466822][ T903] ipv6_add_addr+0x411/0x2000 [ 308.466822][ T903] inet6_addr_add+0x30e/0xa40 [ 308.466822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 308.466822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.466822][ T903] netlink_rcv_skb+0x130/0x360 [ 308.466822][ T903] netlink_unicast+0x449/0x710 [ 308.466822][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.466822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.466822][ T903] ___sys_sendmsg+0xee/0x170 [ 308.466822][ T903] __sys_sendmsg+0xcd/0x170 [ 308.466822][ T903] do_syscall_64+0xc6/0x1e0 [ 308.466822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.466822][ T903] [ 308.469039][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 308.469039][ T903] netdev_get_by_index+0x5e/0x80 [ 308.469039][ T903] fib6_nh_init+0x3d8/0x15b0 [ 308.469039][ T903] ip6_route_info_create+0xf18/0x17d0 [ 308.469039][ T903] ip6_route_add+0x1c/0x140 [ 308.469039][ T903] addrconf_add_mroute+0x129/0x180 [ 308.469039][ T903] addrconf_add_dev+0xe2/0x170 [ 308.469039][ T903] inet6_addr_add+0x12f/0xa40 [ 308.469039][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 308.469039][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.469039][ T903] netlink_rcv_skb+0x130/0x360 [ 308.469039][ T903] netlink_unicast+0x449/0x710 [ 308.469039][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.469039][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.469039][ T903] ___sys_sendmsg+0xee/0x170 [ 308.469039][ T903] __sys_sendmsg+0xcd/0x170 [ 308.469039][ T903] do_syscall_64+0xc6/0x1e0 [ 308.469039][ T903] [ 308.471262][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 308.471262][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 308.471262][ T903] ipv6_find_idev+0x102/0x170 [ 308.471262][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 308.471262][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.471262][ T903] netlink_rcv_skb+0x130/0x360 [ 308.471262][ T903] netlink_unicast+0x449/0x710 [ 308.471262][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.471262][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.471262][ T903] ___sys_sendmsg+0xee/0x170 [ 308.471262][ T903] __sys_sendmsg+0xcd/0x170 [ 308.471262][ T903] do_syscall_64+0xc6/0x1e0 [ 308.471262][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.471262][ T903] [ 308.472970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 308.472970][ T903] neigh_parms_alloc+0x1e5/0x510 [ 308.472970][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 308.472970][ T903] ipv6_find_idev+0x102/0x170 [ 308.472970][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 308.472970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 308.472970][ T903] netlink_rcv_skb+0x130/0x360 [ 308.472970][ T903] netlink_unicast+0x449/0x710 [ 308.472970][ T903] netlink_sendmsg+0x723/0xbe0 [ 308.472970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 308.472970][ T903] ___sys_sendmsg+0xee/0x170 [ 308.472970][ T903] __sys_sendmsg+0xcd/0x170 [ 308.472970][ T903] do_syscall_64+0xc6/0x1e0 [ 308.472970][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 308.472970][ T903] [ 318.717863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 318.718847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 318.718847][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 318.718847][ T903] ip6_validate_gw+0x3eb/0x790 [ 318.718847][ T903] fib6_nh_init+0xa5b/0x15b0 [ 318.718847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 318.718847][ T903] ip6_route_add+0x1c/0x140 [ 318.718847][ T903] inet6_rtm_newroute+0x104/0x110 [ 318.718847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.718847][ T903] netlink_rcv_skb+0x130/0x360 [ 318.718847][ T903] netlink_unicast+0x449/0x710 [ 318.718847][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.718847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.718847][ T903] ___sys_sendmsg+0xee/0x170 [ 318.718847][ T903] __sys_sendmsg+0xcd/0x170 [ 318.718847][ T903] do_syscall_64+0xc6/0x1e0 [ 318.718847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.718847][ T903] [ 318.720907][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 318.720907][ T903] netdev_get_by_index+0x5e/0x80 [ 318.720907][ T903] fib6_nh_init+0x3d8/0x15b0 [ 318.720907][ T903] ip6_route_info_create+0xf18/0x17d0 [ 318.720907][ T903] ip6_route_add+0x1c/0x140 [ 318.720907][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 318.720907][ T903] inet6_addr_add+0x4f8/0xa40 [ 318.720907][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 318.720907][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.720907][ T903] netlink_rcv_skb+0x130/0x360 [ 318.720907][ T903] netlink_unicast+0x449/0x710 [ 318.720907][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.720907][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.720907][ T903] ___sys_sendmsg+0xee/0x170 [ 318.720907][ T903] __sys_sendmsg+0xcd/0x170 [ 318.720907][ T903] do_syscall_64+0xc6/0x1e0 [ 318.720907][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.720907][ T903] [ 318.723015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 318.723015][ T903] netdev_get_by_index+0x5e/0x80 [ 318.723015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 318.723015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 318.723015][ T903] addrconf_f6i_alloc+0x244/0x410 [ 318.723015][ T903] ipv6_add_addr+0x411/0x2000 [ 318.723015][ T903] inet6_addr_add+0x30e/0xa40 [ 318.723015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 318.723015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.723015][ T903] netlink_rcv_skb+0x130/0x360 [ 318.723015][ T903] netlink_unicast+0x449/0x710 [ 318.723015][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.723015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.723015][ T903] ___sys_sendmsg+0xee/0x170 [ 318.723015][ T903] __sys_sendmsg+0xcd/0x170 [ 318.723015][ T903] do_syscall_64+0xc6/0x1e0 [ 318.723015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.723015][ T903] [ 318.725237][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 318.725237][ T903] netdev_get_by_index+0x5e/0x80 [ 318.725237][ T903] fib6_nh_init+0x3d8/0x15b0 [ 318.725237][ T903] ip6_route_info_create+0xf18/0x17d0 [ 318.725237][ T903] ip6_route_add+0x1c/0x140 [ 318.725237][ T903] addrconf_add_mroute+0x129/0x180 [ 318.725237][ T903] addrconf_add_dev+0xe2/0x170 [ 318.725237][ T903] inet6_addr_add+0x12f/0xa40 [ 318.725237][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 318.725237][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.725237][ T903] netlink_rcv_skb+0x130/0x360 [ 318.725237][ T903] netlink_unicast+0x449/0x710 [ 318.725237][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.725237][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.725237][ T903] ___sys_sendmsg+0xee/0x170 [ 318.725237][ T903] __sys_sendmsg+0xcd/0x170 [ 318.725237][ T903] do_syscall_64+0xc6/0x1e0 [ 318.725237][ T903] [ 318.727459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 318.727459][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 318.727459][ T903] ipv6_find_idev+0x102/0x170 [ 318.727459][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 318.727459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.727459][ T903] netlink_rcv_skb+0x130/0x360 [ 318.727459][ T903] netlink_unicast+0x449/0x710 [ 318.727459][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.727459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.727459][ T903] ___sys_sendmsg+0xee/0x170 [ 318.727459][ T903] __sys_sendmsg+0xcd/0x170 [ 318.727459][ T903] do_syscall_64+0xc6/0x1e0 [ 318.727459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.727459][ T903] [ 318.729172][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 318.729172][ T903] neigh_parms_alloc+0x1e5/0x510 [ 318.729172][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 318.729172][ T903] ipv6_find_idev+0x102/0x170 [ 318.729172][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 318.729172][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 318.729172][ T903] netlink_rcv_skb+0x130/0x360 [ 318.729172][ T903] netlink_unicast+0x449/0x710 [ 318.729172][ T903] netlink_sendmsg+0x723/0xbe0 [ 318.729172][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 318.729172][ T903] ___sys_sendmsg+0xee/0x170 [ 318.729172][ T903] __sys_sendmsg+0xcd/0x170 [ 318.729172][ T903] do_syscall_64+0xc6/0x1e0 [ 318.729172][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.729172][ T903] [ 328.869819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 328.870394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 328.870394][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 328.870394][ T903] ip6_validate_gw+0x3eb/0x790 [ 328.870394][ T903] fib6_nh_init+0xa5b/0x15b0 [ 328.870394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 328.870394][ T903] ip6_route_add+0x1c/0x140 [ 328.870394][ T903] inet6_rtm_newroute+0x104/0x110 [ 328.870394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.870394][ T903] netlink_rcv_skb+0x130/0x360 [ 328.870394][ T903] netlink_unicast+0x449/0x710 [ 328.870394][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.870394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.870394][ T903] ___sys_sendmsg+0xee/0x170 [ 328.870394][ T903] __sys_sendmsg+0xcd/0x170 [ 328.870394][ T903] do_syscall_64+0xc6/0x1e0 [ 328.870394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.870394][ T903] [ 328.872980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 328.872980][ T903] netdev_get_by_index+0x5e/0x80 [ 328.872980][ T903] fib6_nh_init+0x3d8/0x15b0 [ 328.872980][ T903] ip6_route_info_create+0xf18/0x17d0 [ 328.872980][ T903] ip6_route_add+0x1c/0x140 [ 328.872980][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 328.872980][ T903] inet6_addr_add+0x4f8/0xa40 [ 328.872980][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 328.872980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.872980][ T903] netlink_rcv_skb+0x130/0x360 [ 328.872980][ T903] netlink_unicast+0x449/0x710 [ 328.872980][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.872980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.872980][ T903] ___sys_sendmsg+0xee/0x170 [ 328.872980][ T903] __sys_sendmsg+0xcd/0x170 [ 328.872980][ T903] do_syscall_64+0xc6/0x1e0 [ 328.872980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.872980][ T903] [ 328.875722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 328.875722][ T903] netdev_get_by_index+0x5e/0x80 [ 328.875722][ T903] fib6_nh_init+0x3d8/0x15b0 [ 328.875722][ T903] ip6_route_info_create+0xf18/0x17d0 [ 328.875722][ T903] addrconf_f6i_alloc+0x244/0x410 [ 328.875722][ T903] ipv6_add_addr+0x411/0x2000 [ 328.875722][ T903] inet6_addr_add+0x30e/0xa40 [ 328.875722][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 328.875722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.875722][ T903] netlink_rcv_skb+0x130/0x360 [ 328.875722][ T903] netlink_unicast+0x449/0x710 [ 328.875722][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.875722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.875722][ T903] ___sys_sendmsg+0xee/0x170 [ 328.875722][ T903] __sys_sendmsg+0xcd/0x170 [ 328.875722][ T903] do_syscall_64+0xc6/0x1e0 [ 328.875722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.875722][ T903] [ 328.878428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 328.878428][ T903] netdev_get_by_index+0x5e/0x80 [ 328.878428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 328.878428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 328.878428][ T903] ip6_route_add+0x1c/0x140 [ 328.878428][ T903] addrconf_add_mroute+0x129/0x180 [ 328.878428][ T903] addrconf_add_dev+0xe2/0x170 [ 328.878428][ T903] inet6_addr_add+0x12f/0xa40 [ 328.878428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 328.878428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.878428][ T903] netlink_rcv_skb+0x130/0x360 [ 328.878428][ T903] netlink_unicast+0x449/0x710 [ 328.878428][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.878428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.878428][ T903] ___sys_sendmsg+0xee/0x170 [ 328.878428][ T903] __sys_sendmsg+0xcd/0x170 [ 328.878428][ T903] do_syscall_64+0xc6/0x1e0 [ 328.878428][ T903] [ 328.881137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 328.881137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 328.881137][ T903] ipv6_find_idev+0x102/0x170 [ 328.881137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.881137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.881137][ T903] netlink_rcv_skb+0x130/0x360 [ 328.881137][ T903] netlink_unicast+0x449/0x710 [ 328.881137][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.881137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.881137][ T903] ___sys_sendmsg+0xee/0x170 [ 328.881137][ T903] __sys_sendmsg+0xcd/0x170 [ 328.881137][ T903] do_syscall_64+0xc6/0x1e0 [ 328.881137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.881137][ T903] [ 328.883239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 328.883239][ T903] neigh_parms_alloc+0x1e5/0x510 [ 328.883239][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 328.883239][ T903] ipv6_find_idev+0x102/0x170 [ 328.883239][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.883239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.883239][ T903] netlink_rcv_skb+0x130/0x360 [ 328.883239][ T903] netlink_unicast+0x449/0x710 [ 328.883239][ T903] netlink_sendmsg+0x723/0xbe0 [ 328.883239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 328.883239][ T903] ___sys_sendmsg+0xee/0x170 [ 328.883239][ T903] __sys_sendmsg+0xcd/0x170 [ 328.883239][ T903] do_syscall_64+0xc6/0x1e0 [ 328.883239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.883239][ T903] [ 339.133768][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 339.134342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 339.134342][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 339.134342][ T903] ip6_validate_gw+0x3eb/0x790 [ 339.134342][ T903] fib6_nh_init+0xa5b/0x15b0 [ 339.134342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 339.134342][ T903] ip6_route_add+0x1c/0x140 [ 339.134342][ T903] inet6_rtm_newroute+0x104/0x110 [ 339.134342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.134342][ T903] netlink_rcv_skb+0x130/0x360 [ 339.134342][ T903] netlink_unicast+0x449/0x710 [ 339.134342][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.134342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.134342][ T903] ___sys_sendmsg+0xee/0x170 [ 339.134342][ T903] __sys_sendmsg+0xcd/0x170 [ 339.134342][ T903] do_syscall_64+0xc6/0x1e0 [ 339.134342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.134342][ T903] [ 339.136720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 339.136720][ T903] netdev_get_by_index+0x5e/0x80 [ 339.136720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 339.136720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 339.136720][ T903] ip6_route_add+0x1c/0x140 [ 339.136720][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 339.136720][ T903] inet6_addr_add+0x4f8/0xa40 [ 339.136720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 339.136720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.136720][ T903] netlink_rcv_skb+0x130/0x360 [ 339.136720][ T903] netlink_unicast+0x449/0x710 [ 339.136720][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.136720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.136720][ T903] ___sys_sendmsg+0xee/0x170 [ 339.136720][ T903] __sys_sendmsg+0xcd/0x170 [ 339.136720][ T903] do_syscall_64+0xc6/0x1e0 [ 339.136720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.136720][ T903] [ 339.139257][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 339.139257][ T903] netdev_get_by_index+0x5e/0x80 [ 339.139257][ T903] fib6_nh_init+0x3d8/0x15b0 [ 339.139257][ T903] ip6_route_info_create+0xf18/0x17d0 [ 339.139257][ T903] addrconf_f6i_alloc+0x244/0x410 [ 339.139257][ T903] ipv6_add_addr+0x411/0x2000 [ 339.139257][ T903] inet6_addr_add+0x30e/0xa40 [ 339.139257][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 339.139257][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.139257][ T903] netlink_rcv_skb+0x130/0x360 [ 339.139257][ T903] netlink_unicast+0x449/0x710 [ 339.139257][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.139257][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.139257][ T903] ___sys_sendmsg+0xee/0x170 [ 339.139257][ T903] __sys_sendmsg+0xcd/0x170 [ 339.139257][ T903] do_syscall_64+0xc6/0x1e0 [ 339.139257][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.139257][ T903] [ 339.141788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 339.141788][ T903] netdev_get_by_index+0x5e/0x80 [ 339.141788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 339.141788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 339.141788][ T903] ip6_route_add+0x1c/0x140 [ 339.141788][ T903] addrconf_add_mroute+0x129/0x180 [ 339.141788][ T903] addrconf_add_dev+0xe2/0x170 [ 339.141788][ T903] inet6_addr_add+0x12f/0xa40 [ 339.141788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 339.141788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.141788][ T903] netlink_rcv_skb+0x130/0x360 [ 339.141788][ T903] netlink_unicast+0x449/0x710 [ 339.141788][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.141788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.141788][ T903] ___sys_sendmsg+0xee/0x170 [ 339.141788][ T903] __sys_sendmsg+0xcd/0x170 [ 339.141788][ T903] do_syscall_64+0xc6/0x1e0 [ 339.141788][ T903] [ 339.144277][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 339.144277][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 339.144277][ T903] ipv6_find_idev+0x102/0x170 [ 339.144277][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 339.144277][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.144277][ T903] netlink_rcv_skb+0x130/0x360 [ 339.144277][ T903] netlink_unicast+0x449/0x710 [ 339.144277][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.144277][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.144277][ T903] ___sys_sendmsg+0xee/0x170 [ 339.144277][ T903] __sys_sendmsg+0xcd/0x170 [ 339.144277][ T903] do_syscall_64+0xc6/0x1e0 [ 339.144277][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.144277][ T903] [ 339.146201][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 339.146201][ T903] neigh_parms_alloc+0x1e5/0x510 [ 339.146201][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 339.146201][ T903] ipv6_find_idev+0x102/0x170 [ 339.146201][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 339.146201][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 339.146201][ T903] netlink_rcv_skb+0x130/0x360 [ 339.146201][ T903] netlink_unicast+0x449/0x710 [ 339.146201][ T903] netlink_sendmsg+0x723/0xbe0 [ 339.146201][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 339.146201][ T903] ___sys_sendmsg+0xee/0x170 [ 339.146201][ T903] __sys_sendmsg+0xcd/0x170 [ 339.146201][ T903] do_syscall_64+0xc6/0x1e0 [ 339.146201][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 339.146201][ T903] [ 349.381863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 349.382430][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 349.382430][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 349.382430][ T903] ip6_validate_gw+0x3eb/0x790 [ 349.382430][ T903] fib6_nh_init+0xa5b/0x15b0 [ 349.382430][ T903] ip6_route_info_create+0xf18/0x17d0 [ 349.382430][ T903] ip6_route_add+0x1c/0x140 [ 349.382430][ T903] inet6_rtm_newroute+0x104/0x110 [ 349.382430][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.382430][ T903] netlink_rcv_skb+0x130/0x360 [ 349.382430][ T903] netlink_unicast+0x449/0x710 [ 349.382430][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.382430][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.382430][ T903] ___sys_sendmsg+0xee/0x170 [ 349.382430][ T903] __sys_sendmsg+0xcd/0x170 [ 349.382430][ T903] do_syscall_64+0xc6/0x1e0 [ 349.382430][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.382430][ T903] [ 349.384811][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 349.384811][ T903] netdev_get_by_index+0x5e/0x80 [ 349.384811][ T903] fib6_nh_init+0x3d8/0x15b0 [ 349.384811][ T903] ip6_route_info_create+0xf18/0x17d0 [ 349.384811][ T903] ip6_route_add+0x1c/0x140 [ 349.384811][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 349.384811][ T903] inet6_addr_add+0x4f8/0xa40 [ 349.384811][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 349.384811][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.384811][ T903] netlink_rcv_skb+0x130/0x360 [ 349.384811][ T903] netlink_unicast+0x449/0x710 [ 349.384811][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.384811][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.384811][ T903] ___sys_sendmsg+0xee/0x170 [ 349.384811][ T903] __sys_sendmsg+0xcd/0x170 [ 349.384811][ T903] do_syscall_64+0xc6/0x1e0 [ 349.384811][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.384811][ T903] [ 349.387288][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 349.387288][ T903] netdev_get_by_index+0x5e/0x80 [ 349.387288][ T903] fib6_nh_init+0x3d8/0x15b0 [ 349.387288][ T903] ip6_route_info_create+0xf18/0x17d0 [ 349.387288][ T903] addrconf_f6i_alloc+0x244/0x410 [ 349.387288][ T903] ipv6_add_addr+0x411/0x2000 [ 349.387288][ T903] inet6_addr_add+0x30e/0xa40 [ 349.387288][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 349.387288][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.387288][ T903] netlink_rcv_skb+0x130/0x360 [ 349.387288][ T903] netlink_unicast+0x449/0x710 [ 349.387288][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.387288][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.387288][ T903] ___sys_sendmsg+0xee/0x170 [ 349.387288][ T903] __sys_sendmsg+0xcd/0x170 [ 349.387288][ T903] do_syscall_64+0xc6/0x1e0 [ 349.387288][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.387288][ T903] [ 349.389769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 349.389769][ T903] netdev_get_by_index+0x5e/0x80 [ 349.389769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 349.389769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 349.389769][ T903] ip6_route_add+0x1c/0x140 [ 349.389769][ T903] addrconf_add_mroute+0x129/0x180 [ 349.389769][ T903] addrconf_add_dev+0xe2/0x170 [ 349.389769][ T903] inet6_addr_add+0x12f/0xa40 [ 349.389769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 349.389769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.389769][ T903] netlink_rcv_skb+0x130/0x360 [ 349.389769][ T903] netlink_unicast+0x449/0x710 [ 349.389769][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.389769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.389769][ T903] ___sys_sendmsg+0xee/0x170 [ 349.389769][ T903] __sys_sendmsg+0xcd/0x170 [ 349.389769][ T903] do_syscall_64+0xc6/0x1e0 [ 349.389769][ T903] [ 349.392239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 349.392239][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 349.392239][ T903] ipv6_find_idev+0x102/0x170 [ 349.392239][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 349.392239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.392239][ T903] netlink_rcv_skb+0x130/0x360 [ 349.392239][ T903] netlink_unicast+0x449/0x710 [ 349.392239][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.392239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.392239][ T903] ___sys_sendmsg+0xee/0x170 [ 349.392239][ T903] __sys_sendmsg+0xcd/0x170 [ 349.392239][ T903] do_syscall_64+0xc6/0x1e0 [ 349.392239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.392239][ T903] [ 349.394160][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 349.394160][ T903] neigh_parms_alloc+0x1e5/0x510 [ 349.394160][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 349.394160][ T903] ipv6_find_idev+0x102/0x170 [ 349.394160][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 349.394160][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 349.394160][ T903] netlink_rcv_skb+0x130/0x360 [ 349.394160][ T903] netlink_unicast+0x449/0x710 [ 349.394160][ T903] netlink_sendmsg+0x723/0xbe0 [ 349.394160][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 349.394160][ T903] ___sys_sendmsg+0xee/0x170 [ 349.394160][ T903] __sys_sendmsg+0xcd/0x170 [ 349.394160][ T903] do_syscall_64+0xc6/0x1e0 [ 349.394160][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 349.394160][ T903] [ 359.645852][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 359.646495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 359.646495][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 359.646495][ T903] ip6_validate_gw+0x3eb/0x790 [ 359.646495][ T903] fib6_nh_init+0xa5b/0x15b0 [ 359.646495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 359.646495][ T903] ip6_route_add+0x1c/0x140 [ 359.646495][ T903] inet6_rtm_newroute+0x104/0x110 [ 359.646495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.646495][ T903] netlink_rcv_skb+0x130/0x360 [ 359.646495][ T903] netlink_unicast+0x449/0x710 [ 359.646495][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.646495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.646495][ T903] ___sys_sendmsg+0xee/0x170 [ 359.646495][ T903] __sys_sendmsg+0xcd/0x170 [ 359.646495][ T903] do_syscall_64+0xc6/0x1e0 [ 359.646495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.646495][ T903] [ 359.648829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 359.648829][ T903] netdev_get_by_index+0x5e/0x80 [ 359.648829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 359.648829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 359.648829][ T903] ip6_route_add+0x1c/0x140 [ 359.648829][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 359.648829][ T903] inet6_addr_add+0x4f8/0xa40 [ 359.648829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 359.648829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.648829][ T903] netlink_rcv_skb+0x130/0x360 [ 359.648829][ T903] netlink_unicast+0x449/0x710 [ 359.648829][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.648829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.648829][ T903] ___sys_sendmsg+0xee/0x170 [ 359.648829][ T903] __sys_sendmsg+0xcd/0x170 [ 359.648829][ T903] do_syscall_64+0xc6/0x1e0 [ 359.648829][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.648829][ T903] [ 359.651327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 359.651327][ T903] netdev_get_by_index+0x5e/0x80 [ 359.651327][ T903] fib6_nh_init+0x3d8/0x15b0 [ 359.651327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 359.651327][ T903] addrconf_f6i_alloc+0x244/0x410 [ 359.651327][ T903] ipv6_add_addr+0x411/0x2000 [ 359.651327][ T903] inet6_addr_add+0x30e/0xa40 [ 359.651327][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 359.651327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.651327][ T903] netlink_rcv_skb+0x130/0x360 [ 359.651327][ T903] netlink_unicast+0x449/0x710 [ 359.651327][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.651327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.651327][ T903] ___sys_sendmsg+0xee/0x170 [ 359.651327][ T903] __sys_sendmsg+0xcd/0x170 [ 359.651327][ T903] do_syscall_64+0xc6/0x1e0 [ 359.651327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.651327][ T903] [ 359.653818][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 359.653818][ T903] netdev_get_by_index+0x5e/0x80 [ 359.653818][ T903] fib6_nh_init+0x3d8/0x15b0 [ 359.653818][ T903] ip6_route_info_create+0xf18/0x17d0 [ 359.653818][ T903] ip6_route_add+0x1c/0x140 [ 359.653818][ T903] addrconf_add_mroute+0x129/0x180 [ 359.653818][ T903] addrconf_add_dev+0xe2/0x170 [ 359.653818][ T903] inet6_addr_add+0x12f/0xa40 [ 359.653818][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 359.653818][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.653818][ T903] netlink_rcv_skb+0x130/0x360 [ 359.653818][ T903] netlink_unicast+0x449/0x710 [ 359.653818][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.653818][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.653818][ T903] ___sys_sendmsg+0xee/0x170 [ 359.653818][ T903] __sys_sendmsg+0xcd/0x170 [ 359.653818][ T903] do_syscall_64+0xc6/0x1e0 [ 359.653818][ T903] [ 359.656263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 359.656263][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 359.656263][ T903] ipv6_find_idev+0x102/0x170 [ 359.656263][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 359.656263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.656263][ T903] netlink_rcv_skb+0x130/0x360 [ 359.656263][ T903] netlink_unicast+0x449/0x710 [ 359.656263][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.656263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.656263][ T903] ___sys_sendmsg+0xee/0x170 [ 359.656263][ T903] __sys_sendmsg+0xcd/0x170 [ 359.656263][ T903] do_syscall_64+0xc6/0x1e0 [ 359.656263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.656263][ T903] [ 359.658201][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 359.658201][ T903] neigh_parms_alloc+0x1e5/0x510 [ 359.658201][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 359.658201][ T903] ipv6_find_idev+0x102/0x170 [ 359.658201][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 359.658201][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 359.658201][ T903] netlink_rcv_skb+0x130/0x360 [ 359.658201][ T903] netlink_unicast+0x449/0x710 [ 359.658201][ T903] netlink_sendmsg+0x723/0xbe0 [ 359.658201][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 359.658201][ T903] ___sys_sendmsg+0xee/0x170 [ 359.658201][ T903] __sys_sendmsg+0xcd/0x170 [ 359.658201][ T903] do_syscall_64+0xc6/0x1e0 [ 359.658201][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 359.658201][ T903] [ 369.909753][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 369.910312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 369.910312][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 369.910312][ T903] ip6_validate_gw+0x3eb/0x790 [ 369.910312][ T903] fib6_nh_init+0xa5b/0x15b0 [ 369.910312][ T903] ip6_route_info_create+0xf18/0x17d0 [ 369.910312][ T903] ip6_route_add+0x1c/0x140 [ 369.910312][ T903] inet6_rtm_newroute+0x104/0x110 [ 369.910312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.910312][ T903] netlink_rcv_skb+0x130/0x360 [ 369.910312][ T903] netlink_unicast+0x449/0x710 [ 369.910312][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.910312][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.910312][ T903] ___sys_sendmsg+0xee/0x170 [ 369.910312][ T903] __sys_sendmsg+0xcd/0x170 [ 369.910312][ T903] do_syscall_64+0xc6/0x1e0 [ 369.910312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.910312][ T903] [ 369.912658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 369.912658][ T903] netdev_get_by_index+0x5e/0x80 [ 369.912658][ T903] fib6_nh_init+0x3d8/0x15b0 [ 369.912658][ T903] ip6_route_info_create+0xf18/0x17d0 [ 369.912658][ T903] ip6_route_add+0x1c/0x140 [ 369.912658][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 369.912658][ T903] inet6_addr_add+0x4f8/0xa40 [ 369.912658][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 369.912658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.912658][ T903] netlink_rcv_skb+0x130/0x360 [ 369.912658][ T903] netlink_unicast+0x449/0x710 [ 369.912658][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.912658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.912658][ T903] ___sys_sendmsg+0xee/0x170 [ 369.912658][ T903] __sys_sendmsg+0xcd/0x170 [ 369.912658][ T903] do_syscall_64+0xc6/0x1e0 [ 369.912658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.912658][ T903] [ 369.915071][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 369.915071][ T903] netdev_get_by_index+0x5e/0x80 [ 369.915071][ T903] fib6_nh_init+0x3d8/0x15b0 [ 369.915071][ T903] ip6_route_info_create+0xf18/0x17d0 [ 369.915071][ T903] addrconf_f6i_alloc+0x244/0x410 [ 369.915071][ T903] ipv6_add_addr+0x411/0x2000 [ 369.915071][ T903] inet6_addr_add+0x30e/0xa40 [ 369.915071][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 369.915071][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.915071][ T903] netlink_rcv_skb+0x130/0x360 [ 369.915071][ T903] netlink_unicast+0x449/0x710 [ 369.915071][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.915071][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.915071][ T903] ___sys_sendmsg+0xee/0x170 [ 369.915071][ T903] __sys_sendmsg+0xcd/0x170 [ 369.915071][ T903] do_syscall_64+0xc6/0x1e0 [ 369.915071][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.915071][ T903] [ 369.917466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 369.917466][ T903] netdev_get_by_index+0x5e/0x80 [ 369.917466][ T903] fib6_nh_init+0x3d8/0x15b0 [ 369.917466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 369.917466][ T903] ip6_route_add+0x1c/0x140 [ 369.917466][ T903] addrconf_add_mroute+0x129/0x180 [ 369.917466][ T903] addrconf_add_dev+0xe2/0x170 [ 369.917466][ T903] inet6_addr_add+0x12f/0xa40 [ 369.917466][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 369.917466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.917466][ T903] netlink_rcv_skb+0x130/0x360 [ 369.917466][ T903] netlink_unicast+0x449/0x710 [ 369.917466][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.917466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.917466][ T903] ___sys_sendmsg+0xee/0x170 [ 369.917466][ T903] __sys_sendmsg+0xcd/0x170 [ 369.917466][ T903] do_syscall_64+0xc6/0x1e0 [ 369.917466][ T903] [ 369.919847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 369.919847][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 369.919847][ T903] ipv6_find_idev+0x102/0x170 [ 369.919847][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 369.919847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.919847][ T903] netlink_rcv_skb+0x130/0x360 [ 369.919847][ T903] netlink_unicast+0x449/0x710 [ 369.919847][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.919847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.919847][ T903] ___sys_sendmsg+0xee/0x170 [ 369.919847][ T903] __sys_sendmsg+0xcd/0x170 [ 369.919847][ T903] do_syscall_64+0xc6/0x1e0 [ 369.919847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.919847][ T903] [ 369.921737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 369.921737][ T903] neigh_parms_alloc+0x1e5/0x510 [ 369.921737][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 369.921737][ T903] ipv6_find_idev+0x102/0x170 [ 369.921737][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 369.921737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 369.921737][ T903] netlink_rcv_skb+0x130/0x360 [ 369.921737][ T903] netlink_unicast+0x449/0x710 [ 369.921737][ T903] netlink_sendmsg+0x723/0xbe0 [ 369.921737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 369.921737][ T903] ___sys_sendmsg+0xee/0x170 [ 369.921737][ T903] __sys_sendmsg+0xcd/0x170 [ 369.921737][ T903] do_syscall_64+0xc6/0x1e0 [ 369.921737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.921737][ T903] [ 380.173790][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 380.174379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 380.174379][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 380.174379][ T903] ip6_validate_gw+0x3eb/0x790 [ 380.174379][ T903] fib6_nh_init+0xa5b/0x15b0 [ 380.174379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 380.174379][ T903] ip6_route_add+0x1c/0x140 [ 380.174379][ T903] inet6_rtm_newroute+0x104/0x110 [ 380.174379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.174379][ T903] netlink_rcv_skb+0x130/0x360 [ 380.174379][ T903] netlink_unicast+0x449/0x710 [ 380.174379][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.174379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.174379][ T903] ___sys_sendmsg+0xee/0x170 [ 380.174379][ T903] __sys_sendmsg+0xcd/0x170 [ 380.174379][ T903] do_syscall_64+0xc6/0x1e0 [ 380.174379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.174379][ T903] [ 380.176541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 380.176541][ T903] netdev_get_by_index+0x5e/0x80 [ 380.176541][ T903] fib6_nh_init+0x3d8/0x15b0 [ 380.176541][ T903] ip6_route_info_create+0xf18/0x17d0 [ 380.176541][ T903] ip6_route_add+0x1c/0x140 [ 380.176541][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 380.176541][ T903] inet6_addr_add+0x4f8/0xa40 [ 380.176541][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 380.176541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.176541][ T903] netlink_rcv_skb+0x130/0x360 [ 380.176541][ T903] netlink_unicast+0x449/0x710 [ 380.176541][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.176541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.176541][ T903] ___sys_sendmsg+0xee/0x170 [ 380.176541][ T903] __sys_sendmsg+0xcd/0x170 [ 380.176541][ T903] do_syscall_64+0xc6/0x1e0 [ 380.176541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.176541][ T903] [ 380.178754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 380.178754][ T903] netdev_get_by_index+0x5e/0x80 [ 380.178754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 380.178754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 380.178754][ T903] addrconf_f6i_alloc+0x244/0x410 [ 380.178754][ T903] ipv6_add_addr+0x411/0x2000 [ 380.178754][ T903] inet6_addr_add+0x30e/0xa40 [ 380.178754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 380.178754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.178754][ T903] netlink_rcv_skb+0x130/0x360 [ 380.178754][ T903] netlink_unicast+0x449/0x710 [ 380.178754][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.178754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.178754][ T903] ___sys_sendmsg+0xee/0x170 [ 380.178754][ T903] __sys_sendmsg+0xcd/0x170 [ 380.178754][ T903] do_syscall_64+0xc6/0x1e0 [ 380.178754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.178754][ T903] [ 380.180978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 380.180978][ T903] netdev_get_by_index+0x5e/0x80 [ 380.180978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 380.180978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 380.180978][ T903] ip6_route_add+0x1c/0x140 [ 380.180978][ T903] addrconf_add_mroute+0x129/0x180 [ 380.180978][ T903] addrconf_add_dev+0xe2/0x170 [ 380.180978][ T903] inet6_addr_add+0x12f/0xa40 [ 380.180978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 380.180978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.180978][ T903] netlink_rcv_skb+0x130/0x360 [ 380.180978][ T903] netlink_unicast+0x449/0x710 [ 380.180978][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.180978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.180978][ T903] ___sys_sendmsg+0xee/0x170 [ 380.180978][ T903] __sys_sendmsg+0xcd/0x170 [ 380.180978][ T903] do_syscall_64+0xc6/0x1e0 [ 380.180978][ T903] [ 380.183155][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 380.183155][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 380.183155][ T903] ipv6_find_idev+0x102/0x170 [ 380.183155][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 380.183155][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.183155][ T903] netlink_rcv_skb+0x130/0x360 [ 380.183155][ T903] netlink_unicast+0x449/0x710 [ 380.183155][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.183155][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.183155][ T903] ___sys_sendmsg+0xee/0x170 [ 380.183155][ T903] __sys_sendmsg+0xcd/0x170 [ 380.183155][ T903] do_syscall_64+0xc6/0x1e0 [ 380.183155][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.183155][ T903] [ 380.184865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 380.184865][ T903] neigh_parms_alloc+0x1e5/0x510 [ 380.184865][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 380.184865][ T903] ipv6_find_idev+0x102/0x170 [ 380.184865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 380.184865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 380.184865][ T903] netlink_rcv_skb+0x130/0x360 [ 380.184865][ T903] netlink_unicast+0x449/0x710 [ 380.184865][ T903] netlink_sendmsg+0x723/0xbe0 [ 380.184865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 380.184865][ T903] ___sys_sendmsg+0xee/0x170 [ 380.184865][ T903] __sys_sendmsg+0xcd/0x170 [ 380.184865][ T903] do_syscall_64+0xc6/0x1e0 [ 380.184865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 380.184865][ T903] [ 390.437771][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 390.438283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 390.438283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 390.438283][ T903] ip6_validate_gw+0x3eb/0x790 [ 390.438283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 390.438283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 390.438283][ T903] ip6_route_add+0x1c/0x140 [ 390.438283][ T903] inet6_rtm_newroute+0x104/0x110 [ 390.438283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.438283][ T903] netlink_rcv_skb+0x130/0x360 [ 390.438283][ T903] netlink_unicast+0x449/0x710 [ 390.438283][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.438283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.438283][ T903] ___sys_sendmsg+0xee/0x170 [ 390.438283][ T903] __sys_sendmsg+0xcd/0x170 [ 390.438283][ T903] do_syscall_64+0xc6/0x1e0 [ 390.438283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.438283][ T903] [ 390.440405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 390.440405][ T903] netdev_get_by_index+0x5e/0x80 [ 390.440405][ T903] fib6_nh_init+0x3d8/0x15b0 [ 390.440405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 390.440405][ T903] ip6_route_add+0x1c/0x140 [ 390.440405][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 390.440405][ T903] inet6_addr_add+0x4f8/0xa40 [ 390.440405][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 390.440405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.440405][ T903] netlink_rcv_skb+0x130/0x360 [ 390.440405][ T903] netlink_unicast+0x449/0x710 [ 390.440405][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.440405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.440405][ T903] ___sys_sendmsg+0xee/0x170 [ 390.440405][ T903] __sys_sendmsg+0xcd/0x170 [ 390.440405][ T903] do_syscall_64+0xc6/0x1e0 [ 390.440405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.440405][ T903] [ 390.442764][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 390.442764][ T903] netdev_get_by_index+0x5e/0x80 [ 390.442764][ T903] fib6_nh_init+0x3d8/0x15b0 [ 390.442764][ T903] ip6_route_info_create+0xf18/0x17d0 [ 390.442764][ T903] addrconf_f6i_alloc+0x244/0x410 [ 390.442764][ T903] ipv6_add_addr+0x411/0x2000 [ 390.442764][ T903] inet6_addr_add+0x30e/0xa40 [ 390.442764][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 390.442764][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.442764][ T903] netlink_rcv_skb+0x130/0x360 [ 390.442764][ T903] netlink_unicast+0x449/0x710 [ 390.442764][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.442764][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.442764][ T903] ___sys_sendmsg+0xee/0x170 [ 390.442764][ T903] __sys_sendmsg+0xcd/0x170 [ 390.442764][ T903] do_syscall_64+0xc6/0x1e0 [ 390.442764][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.442764][ T903] [ 390.444987][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 390.444987][ T903] netdev_get_by_index+0x5e/0x80 [ 390.444987][ T903] fib6_nh_init+0x3d8/0x15b0 [ 390.444987][ T903] ip6_route_info_create+0xf18/0x17d0 [ 390.444987][ T903] ip6_route_add+0x1c/0x140 [ 390.444987][ T903] addrconf_add_mroute+0x129/0x180 [ 390.444987][ T903] addrconf_add_dev+0xe2/0x170 [ 390.444987][ T903] inet6_addr_add+0x12f/0xa40 [ 390.444987][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 390.444987][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.444987][ T903] netlink_rcv_skb+0x130/0x360 [ 390.444987][ T903] netlink_unicast+0x449/0x710 [ 390.444987][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.444987][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.444987][ T903] ___sys_sendmsg+0xee/0x170 [ 390.444987][ T903] __sys_sendmsg+0xcd/0x170 [ 390.444987][ T903] do_syscall_64+0xc6/0x1e0 [ 390.444987][ T903] [ 390.447167][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 390.447167][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 390.447167][ T903] ipv6_find_idev+0x102/0x170 [ 390.447167][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 390.447167][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.447167][ T903] netlink_rcv_skb+0x130/0x360 [ 390.447167][ T903] netlink_unicast+0x449/0x710 [ 390.447167][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.447167][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.447167][ T903] ___sys_sendmsg+0xee/0x170 [ 390.447167][ T903] __sys_sendmsg+0xcd/0x170 [ 390.447167][ T903] do_syscall_64+0xc6/0x1e0 [ 390.447167][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.447167][ T903] [ 390.448860][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 390.448860][ T903] neigh_parms_alloc+0x1e5/0x510 [ 390.448860][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 390.448860][ T903] ipv6_find_idev+0x102/0x170 [ 390.448860][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 390.448860][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 390.448860][ T903] netlink_rcv_skb+0x130/0x360 [ 390.448860][ T903] netlink_unicast+0x449/0x710 [ 390.448860][ T903] netlink_sendmsg+0x723/0xbe0 [ 390.448860][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 390.448860][ T903] ___sys_sendmsg+0xee/0x170 [ 390.448860][ T903] __sys_sendmsg+0xcd/0x170 [ 390.448860][ T903] do_syscall_64+0xc6/0x1e0 [ 390.448860][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 390.448860][ T903] [ 400.701747][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 400.702267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 400.702267][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 400.702267][ T903] ip6_validate_gw+0x3eb/0x790 [ 400.702267][ T903] fib6_nh_init+0xa5b/0x15b0 [ 400.702267][ T903] ip6_route_info_create+0xf18/0x17d0 [ 400.702267][ T903] ip6_route_add+0x1c/0x140 [ 400.702267][ T903] inet6_rtm_newroute+0x104/0x110 [ 400.702267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.702267][ T903] netlink_rcv_skb+0x130/0x360 [ 400.702267][ T903] netlink_unicast+0x449/0x710 [ 400.702267][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.702267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.702267][ T903] ___sys_sendmsg+0xee/0x170 [ 400.702267][ T903] __sys_sendmsg+0xcd/0x170 [ 400.702267][ T903] do_syscall_64+0xc6/0x1e0 [ 400.702267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.702267][ T903] [ 400.704413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 400.704413][ T903] netdev_get_by_index+0x5e/0x80 [ 400.704413][ T903] fib6_nh_init+0x3d8/0x15b0 [ 400.704413][ T903] ip6_route_info_create+0xf18/0x17d0 [ 400.704413][ T903] ip6_route_add+0x1c/0x140 [ 400.704413][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 400.704413][ T903] inet6_addr_add+0x4f8/0xa40 [ 400.704413][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 400.704413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.704413][ T903] netlink_rcv_skb+0x130/0x360 [ 400.704413][ T903] netlink_unicast+0x449/0x710 [ 400.704413][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.704413][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.704413][ T903] ___sys_sendmsg+0xee/0x170 [ 400.704413][ T903] __sys_sendmsg+0xcd/0x170 [ 400.704413][ T903] do_syscall_64+0xc6/0x1e0 [ 400.704413][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.704413][ T903] [ 400.706640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 400.706640][ T903] netdev_get_by_index+0x5e/0x80 [ 400.706640][ T903] fib6_nh_init+0x3d8/0x15b0 [ 400.706640][ T903] ip6_route_info_create+0xf18/0x17d0 [ 400.706640][ T903] addrconf_f6i_alloc+0x244/0x410 [ 400.706640][ T903] ipv6_add_addr+0x411/0x2000 [ 400.706640][ T903] inet6_addr_add+0x30e/0xa40 [ 400.706640][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 400.706640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.706640][ T903] netlink_rcv_skb+0x130/0x360 [ 400.706640][ T903] netlink_unicast+0x449/0x710 [ 400.706640][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.706640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.706640][ T903] ___sys_sendmsg+0xee/0x170 [ 400.706640][ T903] __sys_sendmsg+0xcd/0x170 [ 400.706640][ T903] do_syscall_64+0xc6/0x1e0 [ 400.706640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.706640][ T903] [ 400.708887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 400.708887][ T903] netdev_get_by_index+0x5e/0x80 [ 400.708887][ T903] fib6_nh_init+0x3d8/0x15b0 [ 400.708887][ T903] ip6_route_info_create+0xf18/0x17d0 [ 400.708887][ T903] ip6_route_add+0x1c/0x140 [ 400.708887][ T903] addrconf_add_mroute+0x129/0x180 [ 400.708887][ T903] addrconf_add_dev+0xe2/0x170 [ 400.708887][ T903] inet6_addr_add+0x12f/0xa40 [ 400.708887][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 400.708887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.708887][ T903] netlink_rcv_skb+0x130/0x360 [ 400.708887][ T903] netlink_unicast+0x449/0x710 [ 400.708887][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.708887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.708887][ T903] ___sys_sendmsg+0xee/0x170 [ 400.708887][ T903] __sys_sendmsg+0xcd/0x170 [ 400.708887][ T903] do_syscall_64+0xc6/0x1e0 [ 400.708887][ T903] [ 400.711079][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 400.711079][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 400.711079][ T903] ipv6_find_idev+0x102/0x170 [ 400.711079][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.711079][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.711079][ T903] netlink_rcv_skb+0x130/0x360 [ 400.711079][ T903] netlink_unicast+0x449/0x710 [ 400.711079][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.711079][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.711079][ T903] ___sys_sendmsg+0xee/0x170 [ 400.711079][ T903] __sys_sendmsg+0xcd/0x170 [ 400.711079][ T903] do_syscall_64+0xc6/0x1e0 [ 400.711079][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.711079][ T903] [ 400.712772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 400.712772][ T903] neigh_parms_alloc+0x1e5/0x510 [ 400.712772][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 400.712772][ T903] ipv6_find_idev+0x102/0x170 [ 400.712772][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.712772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.712772][ T903] netlink_rcv_skb+0x130/0x360 [ 400.712772][ T903] netlink_unicast+0x449/0x710 [ 400.712772][ T903] netlink_sendmsg+0x723/0xbe0 [ 400.712772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 400.712772][ T903] ___sys_sendmsg+0xee/0x170 [ 400.712772][ T903] __sys_sendmsg+0xcd/0x170 [ 400.712772][ T903] do_syscall_64+0xc6/0x1e0 [ 400.712772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.712772][ T903] [ 410.965887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 410.966411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 410.966411][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 410.966411][ T903] ip6_validate_gw+0x3eb/0x790 [ 410.966411][ T903] fib6_nh_init+0xa5b/0x15b0 [ 410.966411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 410.966411][ T903] ip6_route_add+0x1c/0x140 [ 410.966411][ T903] inet6_rtm_newroute+0x104/0x110 [ 410.966411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.966411][ T903] netlink_rcv_skb+0x130/0x360 [ 410.966411][ T903] netlink_unicast+0x449/0x710 [ 410.966411][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.966411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.966411][ T903] ___sys_sendmsg+0xee/0x170 [ 410.966411][ T903] __sys_sendmsg+0xcd/0x170 [ 410.966411][ T903] do_syscall_64+0xc6/0x1e0 [ 410.966411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.966411][ T903] [ 410.968532][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 410.968532][ T903] netdev_get_by_index+0x5e/0x80 [ 410.968532][ T903] fib6_nh_init+0x3d8/0x15b0 [ 410.968532][ T903] ip6_route_info_create+0xf18/0x17d0 [ 410.968532][ T903] ip6_route_add+0x1c/0x140 [ 410.968532][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 410.968532][ T903] inet6_addr_add+0x4f8/0xa40 [ 410.968532][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 410.968532][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.968532][ T903] netlink_rcv_skb+0x130/0x360 [ 410.968532][ T903] netlink_unicast+0x449/0x710 [ 410.968532][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.968532][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.968532][ T903] ___sys_sendmsg+0xee/0x170 [ 410.968532][ T903] __sys_sendmsg+0xcd/0x170 [ 410.968532][ T903] do_syscall_64+0xc6/0x1e0 [ 410.968532][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.968532][ T903] [ 410.970783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 410.970783][ T903] netdev_get_by_index+0x5e/0x80 [ 410.970783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 410.970783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 410.970783][ T903] addrconf_f6i_alloc+0x244/0x410 [ 410.970783][ T903] ipv6_add_addr+0x411/0x2000 [ 410.970783][ T903] inet6_addr_add+0x30e/0xa40 [ 410.970783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 410.970783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.970783][ T903] netlink_rcv_skb+0x130/0x360 [ 410.970783][ T903] netlink_unicast+0x449/0x710 [ 410.970783][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.970783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.970783][ T903] ___sys_sendmsg+0xee/0x170 [ 410.970783][ T903] __sys_sendmsg+0xcd/0x170 [ 410.970783][ T903] do_syscall_64+0xc6/0x1e0 [ 410.970783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.970783][ T903] [ 410.972999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 410.972999][ T903] netdev_get_by_index+0x5e/0x80 [ 410.972999][ T903] fib6_nh_init+0x3d8/0x15b0 [ 410.972999][ T903] ip6_route_info_create+0xf18/0x17d0 [ 410.972999][ T903] ip6_route_add+0x1c/0x140 [ 410.972999][ T903] addrconf_add_mroute+0x129/0x180 [ 410.972999][ T903] addrconf_add_dev+0xe2/0x170 [ 410.972999][ T903] inet6_addr_add+0x12f/0xa40 [ 410.972999][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 410.972999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.972999][ T903] netlink_rcv_skb+0x130/0x360 [ 410.972999][ T903] netlink_unicast+0x449/0x710 [ 410.972999][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.972999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.972999][ T903] ___sys_sendmsg+0xee/0x170 [ 410.972999][ T903] __sys_sendmsg+0xcd/0x170 [ 410.972999][ T903] do_syscall_64+0xc6/0x1e0 [ 410.972999][ T903] [ 410.975186][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 410.975186][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 410.975186][ T903] ipv6_find_idev+0x102/0x170 [ 410.975186][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.975186][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.975186][ T903] netlink_rcv_skb+0x130/0x360 [ 410.975186][ T903] netlink_unicast+0x449/0x710 [ 410.975186][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.975186][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.975186][ T903] ___sys_sendmsg+0xee/0x170 [ 410.975186][ T903] __sys_sendmsg+0xcd/0x170 [ 410.975186][ T903] do_syscall_64+0xc6/0x1e0 [ 410.975186][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.975186][ T903] [ 410.976879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 410.976879][ T903] neigh_parms_alloc+0x1e5/0x510 [ 410.976879][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 410.976879][ T903] ipv6_find_idev+0x102/0x170 [ 410.976879][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.976879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.976879][ T903] netlink_rcv_skb+0x130/0x360 [ 410.976879][ T903] netlink_unicast+0x449/0x710 [ 410.976879][ T903] netlink_sendmsg+0x723/0xbe0 [ 410.976879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 410.976879][ T903] ___sys_sendmsg+0xee/0x170 [ 410.976879][ T903] __sys_sendmsg+0xcd/0x170 [ 410.976879][ T903] do_syscall_64+0xc6/0x1e0 [ 410.976879][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.976879][ T903] [ 421.221828][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 421.222360][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 421.222360][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 421.222360][ T903] ip6_validate_gw+0x3eb/0x790 [ 421.222360][ T903] fib6_nh_init+0xa5b/0x15b0 [ 421.222360][ T903] ip6_route_info_create+0xf18/0x17d0 [ 421.222360][ T903] ip6_route_add+0x1c/0x140 [ 421.222360][ T903] inet6_rtm_newroute+0x104/0x110 [ 421.222360][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.222360][ T903] netlink_rcv_skb+0x130/0x360 [ 421.222360][ T903] netlink_unicast+0x449/0x710 [ 421.222360][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.222360][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.222360][ T903] ___sys_sendmsg+0xee/0x170 [ 421.222360][ T903] __sys_sendmsg+0xcd/0x170 [ 421.222360][ T903] do_syscall_64+0xc6/0x1e0 [ 421.222360][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.222360][ T903] [ 421.224522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 421.224522][ T903] netdev_get_by_index+0x5e/0x80 [ 421.224522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 421.224522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 421.224522][ T903] ip6_route_add+0x1c/0x140 [ 421.224522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 421.224522][ T903] inet6_addr_add+0x4f8/0xa40 [ 421.224522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 421.224522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.224522][ T903] netlink_rcv_skb+0x130/0x360 [ 421.224522][ T903] netlink_unicast+0x449/0x710 [ 421.224522][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.224522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.224522][ T903] ___sys_sendmsg+0xee/0x170 [ 421.224522][ T903] __sys_sendmsg+0xcd/0x170 [ 421.224522][ T903] do_syscall_64+0xc6/0x1e0 [ 421.224522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.224522][ T903] [ 421.226750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 421.226750][ T903] netdev_get_by_index+0x5e/0x80 [ 421.226750][ T903] fib6_nh_init+0x3d8/0x15b0 [ 421.226750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 421.226750][ T903] addrconf_f6i_alloc+0x244/0x410 [ 421.226750][ T903] ipv6_add_addr+0x411/0x2000 [ 421.226750][ T903] inet6_addr_add+0x30e/0xa40 [ 421.226750][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 421.226750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.226750][ T903] netlink_rcv_skb+0x130/0x360 [ 421.226750][ T903] netlink_unicast+0x449/0x710 [ 421.226750][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.226750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.226750][ T903] ___sys_sendmsg+0xee/0x170 [ 421.226750][ T903] __sys_sendmsg+0xcd/0x170 [ 421.226750][ T903] do_syscall_64+0xc6/0x1e0 [ 421.226750][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.226750][ T903] [ 421.229005][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 421.229005][ T903] netdev_get_by_index+0x5e/0x80 [ 421.229005][ T903] fib6_nh_init+0x3d8/0x15b0 [ 421.229005][ T903] ip6_route_info_create+0xf18/0x17d0 [ 421.229005][ T903] ip6_route_add+0x1c/0x140 [ 421.229005][ T903] addrconf_add_mroute+0x129/0x180 [ 421.229005][ T903] addrconf_add_dev+0xe2/0x170 [ 421.229005][ T903] inet6_addr_add+0x12f/0xa40 [ 421.229005][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 421.229005][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.229005][ T903] netlink_rcv_skb+0x130/0x360 [ 421.229005][ T903] netlink_unicast+0x449/0x710 [ 421.229005][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.229005][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.229005][ T903] ___sys_sendmsg+0xee/0x170 [ 421.229005][ T903] __sys_sendmsg+0xcd/0x170 [ 421.229005][ T903] do_syscall_64+0xc6/0x1e0 [ 421.229005][ T903] [ 421.231201][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 421.231201][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 421.231201][ T903] ipv6_find_idev+0x102/0x170 [ 421.231201][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.231201][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.231201][ T903] netlink_rcv_skb+0x130/0x360 [ 421.231201][ T903] netlink_unicast+0x449/0x710 [ 421.231201][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.231201][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.231201][ T903] ___sys_sendmsg+0xee/0x170 [ 421.231201][ T903] __sys_sendmsg+0xcd/0x170 [ 421.231201][ T903] do_syscall_64+0xc6/0x1e0 [ 421.231201][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.231201][ T903] [ 421.232924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 421.232924][ T903] neigh_parms_alloc+0x1e5/0x510 [ 421.232924][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 421.232924][ T903] ipv6_find_idev+0x102/0x170 [ 421.232924][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.232924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.232924][ T903] netlink_rcv_skb+0x130/0x360 [ 421.232924][ T903] netlink_unicast+0x449/0x710 [ 421.232924][ T903] netlink_sendmsg+0x723/0xbe0 [ 421.232924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 421.232924][ T903] ___sys_sendmsg+0xee/0x170 [ 421.232924][ T903] __sys_sendmsg+0xcd/0x170 [ 421.232924][ T903] do_syscall_64+0xc6/0x1e0 [ 421.232924][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.232924][ T903] [ 431.261830][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 431.262373][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 431.262373][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 431.262373][ T903] ip6_validate_gw+0x3eb/0x790 [ 431.262373][ T903] fib6_nh_init+0xa5b/0x15b0 [ 431.262373][ T903] ip6_route_info_create+0xf18/0x17d0 [ 431.262373][ T903] ip6_route_add+0x1c/0x140 [ 431.262373][ T903] inet6_rtm_newroute+0x104/0x110 [ 431.262373][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.262373][ T903] netlink_rcv_skb+0x130/0x360 [ 431.262373][ T903] netlink_unicast+0x449/0x710 [ 431.262373][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.262373][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.262373][ T903] ___sys_sendmsg+0xee/0x170 [ 431.262373][ T903] __sys_sendmsg+0xcd/0x170 [ 431.262373][ T903] do_syscall_64+0xc6/0x1e0 [ 431.262373][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.262373][ T903] [ 431.264496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 431.264496][ T903] netdev_get_by_index+0x5e/0x80 [ 431.264496][ T903] fib6_nh_init+0x3d8/0x15b0 [ 431.264496][ T903] ip6_route_info_create+0xf18/0x17d0 [ 431.264496][ T903] ip6_route_add+0x1c/0x140 [ 431.264496][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 431.264496][ T903] inet6_addr_add+0x4f8/0xa40 [ 431.264496][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 431.264496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.264496][ T903] netlink_rcv_skb+0x130/0x360 [ 431.264496][ T903] netlink_unicast+0x449/0x710 [ 431.264496][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.264496][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.264496][ T903] ___sys_sendmsg+0xee/0x170 [ 431.264496][ T903] __sys_sendmsg+0xcd/0x170 [ 431.264496][ T903] do_syscall_64+0xc6/0x1e0 [ 431.264496][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.264496][ T903] [ 431.266720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 431.266720][ T903] netdev_get_by_index+0x5e/0x80 [ 431.266720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 431.266720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 431.266720][ T903] addrconf_f6i_alloc+0x244/0x410 [ 431.266720][ T903] ipv6_add_addr+0x411/0x2000 [ 431.266720][ T903] inet6_addr_add+0x30e/0xa40 [ 431.266720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 431.266720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.266720][ T903] netlink_rcv_skb+0x130/0x360 [ 431.266720][ T903] netlink_unicast+0x449/0x710 [ 431.266720][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.266720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.266720][ T903] ___sys_sendmsg+0xee/0x170 [ 431.266720][ T903] __sys_sendmsg+0xcd/0x170 [ 431.266720][ T903] do_syscall_64+0xc6/0x1e0 [ 431.266720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.266720][ T903] [ 431.268952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 431.268952][ T903] netdev_get_by_index+0x5e/0x80 [ 431.268952][ T903] fib6_nh_init+0x3d8/0x15b0 [ 431.268952][ T903] ip6_route_info_create+0xf18/0x17d0 [ 431.268952][ T903] ip6_route_add+0x1c/0x140 [ 431.268952][ T903] addrconf_add_mroute+0x129/0x180 [ 431.268952][ T903] addrconf_add_dev+0xe2/0x170 [ 431.268952][ T903] inet6_addr_add+0x12f/0xa40 [ 431.268952][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 431.268952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.268952][ T903] netlink_rcv_skb+0x130/0x360 [ 431.268952][ T903] netlink_unicast+0x449/0x710 [ 431.268952][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.268952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.268952][ T903] ___sys_sendmsg+0xee/0x170 [ 431.268952][ T903] __sys_sendmsg+0xcd/0x170 [ 431.268952][ T903] do_syscall_64+0xc6/0x1e0 [ 431.268952][ T903] [ 431.271151][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 431.271151][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 431.271151][ T903] ipv6_find_idev+0x102/0x170 [ 431.271151][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.271151][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.271151][ T903] netlink_rcv_skb+0x130/0x360 [ 431.271151][ T903] netlink_unicast+0x449/0x710 [ 431.271151][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.271151][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.271151][ T903] ___sys_sendmsg+0xee/0x170 [ 431.271151][ T903] __sys_sendmsg+0xcd/0x170 [ 431.271151][ T903] do_syscall_64+0xc6/0x1e0 [ 431.271151][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.271151][ T903] [ 431.272862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 431.272862][ T903] neigh_parms_alloc+0x1e5/0x510 [ 431.272862][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 431.272862][ T903] ipv6_find_idev+0x102/0x170 [ 431.272862][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.272862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.272862][ T903] netlink_rcv_skb+0x130/0x360 [ 431.272862][ T903] netlink_unicast+0x449/0x710 [ 431.272862][ T903] netlink_sendmsg+0x723/0xbe0 [ 431.272862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 431.272862][ T903] ___sys_sendmsg+0xee/0x170 [ 431.272862][ T903] __sys_sendmsg+0xcd/0x170 [ 431.272862][ T903] do_syscall_64+0xc6/0x1e0 [ 431.272862][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.272862][ T903] [ 441.517819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 441.518361][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 441.518361][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 441.518361][ T903] ip6_validate_gw+0x3eb/0x790 [ 441.518361][ T903] fib6_nh_init+0xa5b/0x15b0 [ 441.518361][ T903] ip6_route_info_create+0xf18/0x17d0 [ 441.518361][ T903] ip6_route_add+0x1c/0x140 [ 441.518361][ T903] inet6_rtm_newroute+0x104/0x110 [ 441.518361][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.518361][ T903] netlink_rcv_skb+0x130/0x360 [ 441.518361][ T903] netlink_unicast+0x449/0x710 [ 441.518361][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.518361][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.518361][ T903] ___sys_sendmsg+0xee/0x170 [ 441.518361][ T903] __sys_sendmsg+0xcd/0x170 [ 441.518361][ T903] do_syscall_64+0xc6/0x1e0 [ 441.518361][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.518361][ T903] [ 441.520516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 441.520516][ T903] netdev_get_by_index+0x5e/0x80 [ 441.520516][ T903] fib6_nh_init+0x3d8/0x15b0 [ 441.520516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 441.520516][ T903] ip6_route_add+0x1c/0x140 [ 441.520516][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 441.520516][ T903] inet6_addr_add+0x4f8/0xa40 [ 441.520516][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 441.520516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.520516][ T903] netlink_rcv_skb+0x130/0x360 [ 441.520516][ T903] netlink_unicast+0x449/0x710 [ 441.520516][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.520516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.520516][ T903] ___sys_sendmsg+0xee/0x170 [ 441.520516][ T903] __sys_sendmsg+0xcd/0x170 [ 441.520516][ T903] do_syscall_64+0xc6/0x1e0 [ 441.520516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.520516][ T903] [ 441.522741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 441.522741][ T903] netdev_get_by_index+0x5e/0x80 [ 441.522741][ T903] fib6_nh_init+0x3d8/0x15b0 [ 441.522741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 441.522741][ T903] addrconf_f6i_alloc+0x244/0x410 [ 441.522741][ T903] ipv6_add_addr+0x411/0x2000 [ 441.522741][ T903] inet6_addr_add+0x30e/0xa40 [ 441.522741][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 441.522741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.522741][ T903] netlink_rcv_skb+0x130/0x360 [ 441.522741][ T903] netlink_unicast+0x449/0x710 [ 441.522741][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.522741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.522741][ T903] ___sys_sendmsg+0xee/0x170 [ 441.522741][ T903] __sys_sendmsg+0xcd/0x170 [ 441.522741][ T903] do_syscall_64+0xc6/0x1e0 [ 441.522741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.522741][ T903] [ 441.524982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 441.524982][ T903] netdev_get_by_index+0x5e/0x80 [ 441.524982][ T903] fib6_nh_init+0x3d8/0x15b0 [ 441.524982][ T903] ip6_route_info_create+0xf18/0x17d0 [ 441.524982][ T903] ip6_route_add+0x1c/0x140 [ 441.524982][ T903] addrconf_add_mroute+0x129/0x180 [ 441.524982][ T903] addrconf_add_dev+0xe2/0x170 [ 441.524982][ T903] inet6_addr_add+0x12f/0xa40 [ 441.524982][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 441.524982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.524982][ T903] netlink_rcv_skb+0x130/0x360 [ 441.524982][ T903] netlink_unicast+0x449/0x710 [ 441.524982][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.524982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.524982][ T903] ___sys_sendmsg+0xee/0x170 [ 441.524982][ T903] __sys_sendmsg+0xcd/0x170 [ 441.524982][ T903] do_syscall_64+0xc6/0x1e0 [ 441.524982][ T903] [ 441.527173][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 441.527173][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 441.527173][ T903] ipv6_find_idev+0x102/0x170 [ 441.527173][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.527173][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.527173][ T903] netlink_rcv_skb+0x130/0x360 [ 441.527173][ T903] netlink_unicast+0x449/0x710 [ 441.527173][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.527173][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.527173][ T903] ___sys_sendmsg+0xee/0x170 [ 441.527173][ T903] __sys_sendmsg+0xcd/0x170 [ 441.527173][ T903] do_syscall_64+0xc6/0x1e0 [ 441.527173][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.527173][ T903] [ 441.528892][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 441.528892][ T903] neigh_parms_alloc+0x1e5/0x510 [ 441.528892][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 441.528892][ T903] ipv6_find_idev+0x102/0x170 [ 441.528892][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.528892][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.528892][ T903] netlink_rcv_skb+0x130/0x360 [ 441.528892][ T903] netlink_unicast+0x449/0x710 [ 441.528892][ T903] netlink_sendmsg+0x723/0xbe0 [ 441.528892][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 441.528892][ T903] ___sys_sendmsg+0xee/0x170 [ 441.528892][ T903] __sys_sendmsg+0xcd/0x170 [ 441.528892][ T903] do_syscall_64+0xc6/0x1e0 [ 441.528892][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.528892][ T903] [ 451.733852][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 451.734363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 451.734363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 451.734363][ T903] ip6_validate_gw+0x3eb/0x790 [ 451.734363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 451.734363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 451.734363][ T903] ip6_route_add+0x1c/0x140 [ 451.734363][ T903] inet6_rtm_newroute+0x104/0x110 [ 451.734363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.734363][ T903] netlink_rcv_skb+0x130/0x360 [ 451.734363][ T903] netlink_unicast+0x449/0x710 [ 451.734363][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.734363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.734363][ T903] ___sys_sendmsg+0xee/0x170 [ 451.734363][ T903] __sys_sendmsg+0xcd/0x170 [ 451.734363][ T903] do_syscall_64+0xc6/0x1e0 [ 451.734363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.734363][ T903] [ 451.736467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 451.736467][ T903] netdev_get_by_index+0x5e/0x80 [ 451.736467][ T903] fib6_nh_init+0x3d8/0x15b0 [ 451.736467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 451.736467][ T903] ip6_route_add+0x1c/0x140 [ 451.736467][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 451.736467][ T903] inet6_addr_add+0x4f8/0xa40 [ 451.736467][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 451.736467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.736467][ T903] netlink_rcv_skb+0x130/0x360 [ 451.736467][ T903] netlink_unicast+0x449/0x710 [ 451.736467][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.736467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.736467][ T903] ___sys_sendmsg+0xee/0x170 [ 451.736467][ T903] __sys_sendmsg+0xcd/0x170 [ 451.736467][ T903] do_syscall_64+0xc6/0x1e0 [ 451.736467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.736467][ T903] [ 451.738667][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 451.738667][ T903] netdev_get_by_index+0x5e/0x80 [ 451.738667][ T903] fib6_nh_init+0x3d8/0x15b0 [ 451.738667][ T903] ip6_route_info_create+0xf18/0x17d0 [ 451.738667][ T903] addrconf_f6i_alloc+0x244/0x410 [ 451.738667][ T903] ipv6_add_addr+0x411/0x2000 [ 451.738667][ T903] inet6_addr_add+0x30e/0xa40 [ 451.738667][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 451.738667][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.738667][ T903] netlink_rcv_skb+0x130/0x360 [ 451.738667][ T903] netlink_unicast+0x449/0x710 [ 451.738667][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.738667][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.738667][ T903] ___sys_sendmsg+0xee/0x170 [ 451.738667][ T903] __sys_sendmsg+0xcd/0x170 [ 451.738667][ T903] do_syscall_64+0xc6/0x1e0 [ 451.738667][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.738667][ T903] [ 451.740874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 451.740874][ T903] netdev_get_by_index+0x5e/0x80 [ 451.740874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 451.740874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 451.740874][ T903] ip6_route_add+0x1c/0x140 [ 451.740874][ T903] addrconf_add_mroute+0x129/0x180 [ 451.740874][ T903] addrconf_add_dev+0xe2/0x170 [ 451.740874][ T903] inet6_addr_add+0x12f/0xa40 [ 451.740874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 451.740874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.740874][ T903] netlink_rcv_skb+0x130/0x360 [ 451.740874][ T903] netlink_unicast+0x449/0x710 [ 451.740874][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.740874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.740874][ T903] ___sys_sendmsg+0xee/0x170 [ 451.740874][ T903] __sys_sendmsg+0xcd/0x170 [ 451.740874][ T903] do_syscall_64+0xc6/0x1e0 [ 451.740874][ T903] [ 451.743024][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 451.743024][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 451.743024][ T903] ipv6_find_idev+0x102/0x170 [ 451.743024][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.743024][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.743024][ T903] netlink_rcv_skb+0x130/0x360 [ 451.743024][ T903] netlink_unicast+0x449/0x710 [ 451.743024][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.743024][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.743024][ T903] ___sys_sendmsg+0xee/0x170 [ 451.743024][ T903] __sys_sendmsg+0xcd/0x170 [ 451.743024][ T903] do_syscall_64+0xc6/0x1e0 [ 451.743024][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.743024][ T903] [ 451.744710][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 451.744710][ T903] neigh_parms_alloc+0x1e5/0x510 [ 451.744710][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 451.744710][ T903] ipv6_find_idev+0x102/0x170 [ 451.744710][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.744710][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.744710][ T903] netlink_rcv_skb+0x130/0x360 [ 451.744710][ T903] netlink_unicast+0x449/0x710 [ 451.744710][ T903] netlink_sendmsg+0x723/0xbe0 [ 451.744710][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 451.744710][ T903] ___sys_sendmsg+0xee/0x170 [ 451.744710][ T903] __sys_sendmsg+0xcd/0x170 [ 451.744710][ T903] do_syscall_64+0xc6/0x1e0 [ 451.744710][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.744710][ T903] [ 461.981769][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 461.982323][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 461.982323][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 461.982323][ T903] ip6_validate_gw+0x3eb/0x790 [ 461.982323][ T903] fib6_nh_init+0xa5b/0x15b0 [ 461.982323][ T903] ip6_route_info_create+0xf18/0x17d0 [ 461.982323][ T903] ip6_route_add+0x1c/0x140 [ 461.982323][ T903] inet6_rtm_newroute+0x104/0x110 [ 461.982323][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.982323][ T903] netlink_rcv_skb+0x130/0x360 [ 461.982323][ T903] netlink_unicast+0x449/0x710 [ 461.982323][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.982323][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.982323][ T903] ___sys_sendmsg+0xee/0x170 [ 461.982323][ T903] __sys_sendmsg+0xcd/0x170 [ 461.982323][ T903] do_syscall_64+0xc6/0x1e0 [ 461.982323][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.982323][ T903] [ 461.984457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 461.984457][ T903] netdev_get_by_index+0x5e/0x80 [ 461.984457][ T903] fib6_nh_init+0x3d8/0x15b0 [ 461.984457][ T903] ip6_route_info_create+0xf18/0x17d0 [ 461.984457][ T903] ip6_route_add+0x1c/0x140 [ 461.984457][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 461.984457][ T903] inet6_addr_add+0x4f8/0xa40 [ 461.984457][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 461.984457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.984457][ T903] netlink_rcv_skb+0x130/0x360 [ 461.984457][ T903] netlink_unicast+0x449/0x710 [ 461.984457][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.984457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.984457][ T903] ___sys_sendmsg+0xee/0x170 [ 461.984457][ T903] __sys_sendmsg+0xcd/0x170 [ 461.984457][ T903] do_syscall_64+0xc6/0x1e0 [ 461.984457][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.984457][ T903] [ 461.986692][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 461.986692][ T903] netdev_get_by_index+0x5e/0x80 [ 461.986692][ T903] fib6_nh_init+0x3d8/0x15b0 [ 461.986692][ T903] ip6_route_info_create+0xf18/0x17d0 [ 461.986692][ T903] addrconf_f6i_alloc+0x244/0x410 [ 461.986692][ T903] ipv6_add_addr+0x411/0x2000 [ 461.986692][ T903] inet6_addr_add+0x30e/0xa40 [ 461.986692][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 461.986692][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.986692][ T903] netlink_rcv_skb+0x130/0x360 [ 461.986692][ T903] netlink_unicast+0x449/0x710 [ 461.986692][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.986692][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.986692][ T903] ___sys_sendmsg+0xee/0x170 [ 461.986692][ T903] __sys_sendmsg+0xcd/0x170 [ 461.986692][ T903] do_syscall_64+0xc6/0x1e0 [ 461.986692][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.986692][ T903] [ 461.988960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 461.988960][ T903] netdev_get_by_index+0x5e/0x80 [ 461.988960][ T903] fib6_nh_init+0x3d8/0x15b0 [ 461.988960][ T903] ip6_route_info_create+0xf18/0x17d0 [ 461.988960][ T903] ip6_route_add+0x1c/0x140 [ 461.988960][ T903] addrconf_add_mroute+0x129/0x180 [ 461.988960][ T903] addrconf_add_dev+0xe2/0x170 [ 461.988960][ T903] inet6_addr_add+0x12f/0xa40 [ 461.988960][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 461.988960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.988960][ T903] netlink_rcv_skb+0x130/0x360 [ 461.988960][ T903] netlink_unicast+0x449/0x710 [ 461.988960][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.988960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.988960][ T903] ___sys_sendmsg+0xee/0x170 [ 461.988960][ T903] __sys_sendmsg+0xcd/0x170 [ 461.988960][ T903] do_syscall_64+0xc6/0x1e0 [ 461.988960][ T903] [ 461.991173][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 461.991173][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 461.991173][ T903] ipv6_find_idev+0x102/0x170 [ 461.991173][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.991173][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.991173][ T903] netlink_rcv_skb+0x130/0x360 [ 461.991173][ T903] netlink_unicast+0x449/0x710 [ 461.991173][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.991173][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.991173][ T903] ___sys_sendmsg+0xee/0x170 [ 461.991173][ T903] __sys_sendmsg+0xcd/0x170 [ 461.991173][ T903] do_syscall_64+0xc6/0x1e0 [ 461.991173][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.991173][ T903] [ 461.992891][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 461.992891][ T903] neigh_parms_alloc+0x1e5/0x510 [ 461.992891][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 461.992891][ T903] ipv6_find_idev+0x102/0x170 [ 461.992891][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.992891][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.992891][ T903] netlink_rcv_skb+0x130/0x360 [ 461.992891][ T903] netlink_unicast+0x449/0x710 [ 461.992891][ T903] netlink_sendmsg+0x723/0xbe0 [ 461.992891][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 461.992891][ T903] ___sys_sendmsg+0xee/0x170 [ 461.992891][ T903] __sys_sendmsg+0xcd/0x170 [ 461.992891][ T903] do_syscall_64+0xc6/0x1e0 [ 461.992891][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.992891][ T903] [ 472.237800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 472.238336][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 472.238336][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 472.238336][ T903] ip6_validate_gw+0x3eb/0x790 [ 472.238336][ T903] fib6_nh_init+0xa5b/0x15b0 [ 472.238336][ T903] ip6_route_info_create+0xf18/0x17d0 [ 472.238336][ T903] ip6_route_add+0x1c/0x140 [ 472.238336][ T903] inet6_rtm_newroute+0x104/0x110 [ 472.238336][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.238336][ T903] netlink_rcv_skb+0x130/0x360 [ 472.238336][ T903] netlink_unicast+0x449/0x710 [ 472.238336][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.238336][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.238336][ T903] ___sys_sendmsg+0xee/0x170 [ 472.238336][ T903] __sys_sendmsg+0xcd/0x170 [ 472.238336][ T903] do_syscall_64+0xc6/0x1e0 [ 472.238336][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.238336][ T903] [ 472.240471][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 472.240471][ T903] netdev_get_by_index+0x5e/0x80 [ 472.240471][ T903] fib6_nh_init+0x3d8/0x15b0 [ 472.240471][ T903] ip6_route_info_create+0xf18/0x17d0 [ 472.240471][ T903] ip6_route_add+0x1c/0x140 [ 472.240471][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 472.240471][ T903] inet6_addr_add+0x4f8/0xa40 [ 472.240471][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 472.240471][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.240471][ T903] netlink_rcv_skb+0x130/0x360 [ 472.240471][ T903] netlink_unicast+0x449/0x710 [ 472.240471][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.240471][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.240471][ T903] ___sys_sendmsg+0xee/0x170 [ 472.240471][ T903] __sys_sendmsg+0xcd/0x170 [ 472.240471][ T903] do_syscall_64+0xc6/0x1e0 [ 472.240471][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.240471][ T903] [ 472.242694][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 472.242694][ T903] netdev_get_by_index+0x5e/0x80 [ 472.242694][ T903] fib6_nh_init+0x3d8/0x15b0 [ 472.242694][ T903] ip6_route_info_create+0xf18/0x17d0 [ 472.242694][ T903] addrconf_f6i_alloc+0x244/0x410 [ 472.242694][ T903] ipv6_add_addr+0x411/0x2000 [ 472.242694][ T903] inet6_addr_add+0x30e/0xa40 [ 472.242694][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 472.242694][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.242694][ T903] netlink_rcv_skb+0x130/0x360 [ 472.242694][ T903] netlink_unicast+0x449/0x710 [ 472.242694][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.242694][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.242694][ T903] ___sys_sendmsg+0xee/0x170 [ 472.242694][ T903] __sys_sendmsg+0xcd/0x170 [ 472.242694][ T903] do_syscall_64+0xc6/0x1e0 [ 472.242694][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.242694][ T903] [ 472.244917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 472.244917][ T903] netdev_get_by_index+0x5e/0x80 [ 472.244917][ T903] fib6_nh_init+0x3d8/0x15b0 [ 472.244917][ T903] ip6_route_info_create+0xf18/0x17d0 [ 472.244917][ T903] ip6_route_add+0x1c/0x140 [ 472.244917][ T903] addrconf_add_mroute+0x129/0x180 [ 472.244917][ T903] addrconf_add_dev+0xe2/0x170 [ 472.244917][ T903] inet6_addr_add+0x12f/0xa40 [ 472.244917][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 472.244917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.244917][ T903] netlink_rcv_skb+0x130/0x360 [ 472.244917][ T903] netlink_unicast+0x449/0x710 [ 472.244917][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.244917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.244917][ T903] ___sys_sendmsg+0xee/0x170 [ 472.244917][ T903] __sys_sendmsg+0xcd/0x170 [ 472.244917][ T903] do_syscall_64+0xc6/0x1e0 [ 472.244917][ T903] [ 472.247114][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 472.247114][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 472.247114][ T903] ipv6_find_idev+0x102/0x170 [ 472.247114][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.247114][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.247114][ T903] netlink_rcv_skb+0x130/0x360 [ 472.247114][ T903] netlink_unicast+0x449/0x710 [ 472.247114][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.247114][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.247114][ T903] ___sys_sendmsg+0xee/0x170 [ 472.247114][ T903] __sys_sendmsg+0xcd/0x170 [ 472.247114][ T903] do_syscall_64+0xc6/0x1e0 [ 472.247114][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.247114][ T903] [ 472.248820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 472.248820][ T903] neigh_parms_alloc+0x1e5/0x510 [ 472.248820][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 472.248820][ T903] ipv6_find_idev+0x102/0x170 [ 472.248820][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.248820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.248820][ T903] netlink_rcv_skb+0x130/0x360 [ 472.248820][ T903] netlink_unicast+0x449/0x710 [ 472.248820][ T903] netlink_sendmsg+0x723/0xbe0 [ 472.248820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 472.248820][ T903] ___sys_sendmsg+0xee/0x170 [ 472.248820][ T903] __sys_sendmsg+0xcd/0x170 [ 472.248820][ T903] do_syscall_64+0xc6/0x1e0 [ 472.248820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.248820][ T903] [ 482.285804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 482.286347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 482.286347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 482.286347][ T903] ip6_validate_gw+0x3eb/0x790 [ 482.286347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 482.286347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 482.286347][ T903] ip6_route_add+0x1c/0x140 [ 482.286347][ T903] inet6_rtm_newroute+0x104/0x110 [ 482.286347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.286347][ T903] netlink_rcv_skb+0x130/0x360 [ 482.286347][ T903] netlink_unicast+0x449/0x710 [ 482.286347][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.286347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.286347][ T903] ___sys_sendmsg+0xee/0x170 [ 482.286347][ T903] __sys_sendmsg+0xcd/0x170 [ 482.286347][ T903] do_syscall_64+0xc6/0x1e0 [ 482.286347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.286347][ T903] [ 482.288465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 482.288465][ T903] netdev_get_by_index+0x5e/0x80 [ 482.288465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 482.288465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 482.288465][ T903] ip6_route_add+0x1c/0x140 [ 482.288465][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 482.288465][ T903] inet6_addr_add+0x4f8/0xa40 [ 482.288465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 482.288465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.288465][ T903] netlink_rcv_skb+0x130/0x360 [ 482.288465][ T903] netlink_unicast+0x449/0x710 [ 482.288465][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.288465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.288465][ T903] ___sys_sendmsg+0xee/0x170 [ 482.288465][ T903] __sys_sendmsg+0xcd/0x170 [ 482.288465][ T903] do_syscall_64+0xc6/0x1e0 [ 482.288465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.288465][ T903] [ 482.290743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 482.290743][ T903] netdev_get_by_index+0x5e/0x80 [ 482.290743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 482.290743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 482.290743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 482.290743][ T903] ipv6_add_addr+0x411/0x2000 [ 482.290743][ T903] inet6_addr_add+0x30e/0xa40 [ 482.290743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 482.290743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.290743][ T903] netlink_rcv_skb+0x130/0x360 [ 482.290743][ T903] netlink_unicast+0x449/0x710 [ 482.290743][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.290743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.290743][ T903] ___sys_sendmsg+0xee/0x170 [ 482.290743][ T903] __sys_sendmsg+0xcd/0x170 [ 482.290743][ T903] do_syscall_64+0xc6/0x1e0 [ 482.290743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.290743][ T903] [ 482.292984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 482.292984][ T903] netdev_get_by_index+0x5e/0x80 [ 482.292984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 482.292984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 482.292984][ T903] ip6_route_add+0x1c/0x140 [ 482.292984][ T903] addrconf_add_mroute+0x129/0x180 [ 482.292984][ T903] addrconf_add_dev+0xe2/0x170 [ 482.292984][ T903] inet6_addr_add+0x12f/0xa40 [ 482.292984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 482.292984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.292984][ T903] netlink_rcv_skb+0x130/0x360 [ 482.292984][ T903] netlink_unicast+0x449/0x710 [ 482.292984][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.292984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.292984][ T903] ___sys_sendmsg+0xee/0x170 [ 482.292984][ T903] __sys_sendmsg+0xcd/0x170 [ 482.292984][ T903] do_syscall_64+0xc6/0x1e0 [ 482.292984][ T903] [ 482.295189][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 482.295189][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 482.295189][ T903] ipv6_find_idev+0x102/0x170 [ 482.295189][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.295189][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.295189][ T903] netlink_rcv_skb+0x130/0x360 [ 482.295189][ T903] netlink_unicast+0x449/0x710 [ 482.295189][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.295189][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.295189][ T903] ___sys_sendmsg+0xee/0x170 [ 482.295189][ T903] __sys_sendmsg+0xcd/0x170 [ 482.295189][ T903] do_syscall_64+0xc6/0x1e0 [ 482.295189][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.295189][ T903] [ 482.296909][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 482.296909][ T903] neigh_parms_alloc+0x1e5/0x510 [ 482.296909][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 482.296909][ T903] ipv6_find_idev+0x102/0x170 [ 482.296909][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.296909][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.296909][ T903] netlink_rcv_skb+0x130/0x360 [ 482.296909][ T903] netlink_unicast+0x449/0x710 [ 482.296909][ T903] netlink_sendmsg+0x723/0xbe0 [ 482.296909][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 482.296909][ T903] ___sys_sendmsg+0xee/0x170 [ 482.296909][ T903] __sys_sendmsg+0xcd/0x170 [ 482.296909][ T903] do_syscall_64+0xc6/0x1e0 [ 482.296909][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.296909][ T903] [ 492.541807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 492.542366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 492.542366][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 492.542366][ T903] ip6_validate_gw+0x3eb/0x790 [ 492.542366][ T903] fib6_nh_init+0xa5b/0x15b0 [ 492.542366][ T903] ip6_route_info_create+0xf18/0x17d0 [ 492.542366][ T903] ip6_route_add+0x1c/0x140 [ 492.542366][ T903] inet6_rtm_newroute+0x104/0x110 [ 492.542366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.542366][ T903] netlink_rcv_skb+0x130/0x360 [ 492.542366][ T903] netlink_unicast+0x449/0x710 [ 492.542366][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.542366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.542366][ T903] ___sys_sendmsg+0xee/0x170 [ 492.542366][ T903] __sys_sendmsg+0xcd/0x170 [ 492.542366][ T903] do_syscall_64+0xc6/0x1e0 [ 492.542366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.542366][ T903] [ 492.544503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 492.544503][ T903] netdev_get_by_index+0x5e/0x80 [ 492.544503][ T903] fib6_nh_init+0x3d8/0x15b0 [ 492.544503][ T903] ip6_route_info_create+0xf18/0x17d0 [ 492.544503][ T903] ip6_route_add+0x1c/0x140 [ 492.544503][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 492.544503][ T903] inet6_addr_add+0x4f8/0xa40 [ 492.544503][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 492.544503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.544503][ T903] netlink_rcv_skb+0x130/0x360 [ 492.544503][ T903] netlink_unicast+0x449/0x710 [ 492.544503][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.544503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.544503][ T903] ___sys_sendmsg+0xee/0x170 [ 492.544503][ T903] __sys_sendmsg+0xcd/0x170 [ 492.544503][ T903] do_syscall_64+0xc6/0x1e0 [ 492.544503][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.544503][ T903] [ 492.546732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 492.546732][ T903] netdev_get_by_index+0x5e/0x80 [ 492.546732][ T903] fib6_nh_init+0x3d8/0x15b0 [ 492.546732][ T903] ip6_route_info_create+0xf18/0x17d0 [ 492.546732][ T903] addrconf_f6i_alloc+0x244/0x410 [ 492.546732][ T903] ipv6_add_addr+0x411/0x2000 [ 492.546732][ T903] inet6_addr_add+0x30e/0xa40 [ 492.546732][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 492.546732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.546732][ T903] netlink_rcv_skb+0x130/0x360 [ 492.546732][ T903] netlink_unicast+0x449/0x710 [ 492.546732][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.546732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.546732][ T903] ___sys_sendmsg+0xee/0x170 [ 492.546732][ T903] __sys_sendmsg+0xcd/0x170 [ 492.546732][ T903] do_syscall_64+0xc6/0x1e0 [ 492.546732][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.546732][ T903] [ 492.548968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 492.548968][ T903] netdev_get_by_index+0x5e/0x80 [ 492.548968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 492.548968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 492.548968][ T903] ip6_route_add+0x1c/0x140 [ 492.548968][ T903] addrconf_add_mroute+0x129/0x180 [ 492.548968][ T903] addrconf_add_dev+0xe2/0x170 [ 492.548968][ T903] inet6_addr_add+0x12f/0xa40 [ 492.548968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 492.548968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.548968][ T903] netlink_rcv_skb+0x130/0x360 [ 492.548968][ T903] netlink_unicast+0x449/0x710 [ 492.548968][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.548968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.548968][ T903] ___sys_sendmsg+0xee/0x170 [ 492.548968][ T903] __sys_sendmsg+0xcd/0x170 [ 492.548968][ T903] do_syscall_64+0xc6/0x1e0 [ 492.548968][ T903] [ 492.551169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 492.551169][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 492.551169][ T903] ipv6_find_idev+0x102/0x170 [ 492.551169][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.551169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.551169][ T903] netlink_rcv_skb+0x130/0x360 [ 492.551169][ T903] netlink_unicast+0x449/0x710 [ 492.551169][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.551169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.551169][ T903] ___sys_sendmsg+0xee/0x170 [ 492.551169][ T903] __sys_sendmsg+0xcd/0x170 [ 492.551169][ T903] do_syscall_64+0xc6/0x1e0 [ 492.551169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.551169][ T903] [ 492.552905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 492.552905][ T903] neigh_parms_alloc+0x1e5/0x510 [ 492.552905][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 492.552905][ T903] ipv6_find_idev+0x102/0x170 [ 492.552905][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.552905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.552905][ T903] netlink_rcv_skb+0x130/0x360 [ 492.552905][ T903] netlink_unicast+0x449/0x710 [ 492.552905][ T903] netlink_sendmsg+0x723/0xbe0 [ 492.552905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 492.552905][ T903] ___sys_sendmsg+0xee/0x170 [ 492.552905][ T903] __sys_sendmsg+0xcd/0x170 [ 492.552905][ T903] do_syscall_64+0xc6/0x1e0 [ 492.552905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.552905][ T903] [ 502.805828][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 502.806399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 502.806399][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 502.806399][ T903] ip6_validate_gw+0x3eb/0x790 [ 502.806399][ T903] fib6_nh_init+0xa5b/0x15b0 [ 502.806399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 502.806399][ T903] ip6_route_add+0x1c/0x140 [ 502.806399][ T903] inet6_rtm_newroute+0x104/0x110 [ 502.806399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.806399][ T903] netlink_rcv_skb+0x130/0x360 [ 502.806399][ T903] netlink_unicast+0x449/0x710 [ 502.806399][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.806399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.806399][ T903] ___sys_sendmsg+0xee/0x170 [ 502.806399][ T903] __sys_sendmsg+0xcd/0x170 [ 502.806399][ T903] do_syscall_64+0xc6/0x1e0 [ 502.806399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.806399][ T903] [ 502.808531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 502.808531][ T903] netdev_get_by_index+0x5e/0x80 [ 502.808531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 502.808531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 502.808531][ T903] ip6_route_add+0x1c/0x140 [ 502.808531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 502.808531][ T903] inet6_addr_add+0x4f8/0xa40 [ 502.808531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 502.808531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.808531][ T903] netlink_rcv_skb+0x130/0x360 [ 502.808531][ T903] netlink_unicast+0x449/0x710 [ 502.808531][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.808531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.808531][ T903] ___sys_sendmsg+0xee/0x170 [ 502.808531][ T903] __sys_sendmsg+0xcd/0x170 [ 502.808531][ T903] do_syscall_64+0xc6/0x1e0 [ 502.808531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.808531][ T903] [ 502.810769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 502.810769][ T903] netdev_get_by_index+0x5e/0x80 [ 502.810769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 502.810769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 502.810769][ T903] addrconf_f6i_alloc+0x244/0x410 [ 502.810769][ T903] ipv6_add_addr+0x411/0x2000 [ 502.810769][ T903] inet6_addr_add+0x30e/0xa40 [ 502.810769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 502.810769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.810769][ T903] netlink_rcv_skb+0x130/0x360 [ 502.810769][ T903] netlink_unicast+0x449/0x710 [ 502.810769][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.810769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.810769][ T903] ___sys_sendmsg+0xee/0x170 [ 502.810769][ T903] __sys_sendmsg+0xcd/0x170 [ 502.810769][ T903] do_syscall_64+0xc6/0x1e0 [ 502.810769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.810769][ T903] [ 502.813003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 502.813003][ T903] netdev_get_by_index+0x5e/0x80 [ 502.813003][ T903] fib6_nh_init+0x3d8/0x15b0 [ 502.813003][ T903] ip6_route_info_create+0xf18/0x17d0 [ 502.813003][ T903] ip6_route_add+0x1c/0x140 [ 502.813003][ T903] addrconf_add_mroute+0x129/0x180 [ 502.813003][ T903] addrconf_add_dev+0xe2/0x170 [ 502.813003][ T903] inet6_addr_add+0x12f/0xa40 [ 502.813003][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 502.813003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.813003][ T903] netlink_rcv_skb+0x130/0x360 [ 502.813003][ T903] netlink_unicast+0x449/0x710 [ 502.813003][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.813003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.813003][ T903] ___sys_sendmsg+0xee/0x170 [ 502.813003][ T903] __sys_sendmsg+0xcd/0x170 [ 502.813003][ T903] do_syscall_64+0xc6/0x1e0 [ 502.813003][ T903] [ 502.815206][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 502.815206][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 502.815206][ T903] ipv6_find_idev+0x102/0x170 [ 502.815206][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.815206][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.815206][ T903] netlink_rcv_skb+0x130/0x360 [ 502.815206][ T903] netlink_unicast+0x449/0x710 [ 502.815206][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.815206][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.815206][ T903] ___sys_sendmsg+0xee/0x170 [ 502.815206][ T903] __sys_sendmsg+0xcd/0x170 [ 502.815206][ T903] do_syscall_64+0xc6/0x1e0 [ 502.815206][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.815206][ T903] [ 502.816913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 502.816913][ T903] neigh_parms_alloc+0x1e5/0x510 [ 502.816913][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 502.816913][ T903] ipv6_find_idev+0x102/0x170 [ 502.816913][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.816913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.816913][ T903] netlink_rcv_skb+0x130/0x360 [ 502.816913][ T903] netlink_unicast+0x449/0x710 [ 502.816913][ T903] netlink_sendmsg+0x723/0xbe0 [ 502.816913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 502.816913][ T903] ___sys_sendmsg+0xee/0x170 [ 502.816913][ T903] __sys_sendmsg+0xcd/0x170 [ 502.816913][ T903] do_syscall_64+0xc6/0x1e0 [ 502.816913][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.816913][ T903] [ 512.981790][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 512.982295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 512.982295][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 512.982295][ T903] ip6_validate_gw+0x3eb/0x790 [ 512.982295][ T903] fib6_nh_init+0xa5b/0x15b0 [ 512.982295][ T903] ip6_route_info_create+0xf18/0x17d0 [ 512.982295][ T903] ip6_route_add+0x1c/0x140 [ 512.982295][ T903] inet6_rtm_newroute+0x104/0x110 [ 512.982295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.982295][ T903] netlink_rcv_skb+0x130/0x360 [ 512.982295][ T903] netlink_unicast+0x449/0x710 [ 512.982295][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.982295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.982295][ T903] ___sys_sendmsg+0xee/0x170 [ 512.982295][ T903] __sys_sendmsg+0xcd/0x170 [ 512.982295][ T903] do_syscall_64+0xc6/0x1e0 [ 512.982295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.982295][ T903] [ 512.984379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 512.984379][ T903] netdev_get_by_index+0x5e/0x80 [ 512.984379][ T903] fib6_nh_init+0x3d8/0x15b0 [ 512.984379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 512.984379][ T903] ip6_route_add+0x1c/0x140 [ 512.984379][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 512.984379][ T903] inet6_addr_add+0x4f8/0xa40 [ 512.984379][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 512.984379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.984379][ T903] netlink_rcv_skb+0x130/0x360 [ 512.984379][ T903] netlink_unicast+0x449/0x710 [ 512.984379][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.984379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.984379][ T903] ___sys_sendmsg+0xee/0x170 [ 512.984379][ T903] __sys_sendmsg+0xcd/0x170 [ 512.984379][ T903] do_syscall_64+0xc6/0x1e0 [ 512.984379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.984379][ T903] [ 512.986576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 512.986576][ T903] netdev_get_by_index+0x5e/0x80 [ 512.986576][ T903] fib6_nh_init+0x3d8/0x15b0 [ 512.986576][ T903] ip6_route_info_create+0xf18/0x17d0 [ 512.986576][ T903] addrconf_f6i_alloc+0x244/0x410 [ 512.986576][ T903] ipv6_add_addr+0x411/0x2000 [ 512.986576][ T903] inet6_addr_add+0x30e/0xa40 [ 512.986576][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 512.986576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.986576][ T903] netlink_rcv_skb+0x130/0x360 [ 512.986576][ T903] netlink_unicast+0x449/0x710 [ 512.986576][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.986576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.986576][ T903] ___sys_sendmsg+0xee/0x170 [ 512.986576][ T903] __sys_sendmsg+0xcd/0x170 [ 512.986576][ T903] do_syscall_64+0xc6/0x1e0 [ 512.986576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.986576][ T903] [ 512.988849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 512.988849][ T903] netdev_get_by_index+0x5e/0x80 [ 512.988849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 512.988849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 512.988849][ T903] ip6_route_add+0x1c/0x140 [ 512.988849][ T903] addrconf_add_mroute+0x129/0x180 [ 512.988849][ T903] addrconf_add_dev+0xe2/0x170 [ 512.988849][ T903] inet6_addr_add+0x12f/0xa40 [ 512.988849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 512.988849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.988849][ T903] netlink_rcv_skb+0x130/0x360 [ 512.988849][ T903] netlink_unicast+0x449/0x710 [ 512.988849][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.988849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.988849][ T903] ___sys_sendmsg+0xee/0x170 [ 512.988849][ T903] __sys_sendmsg+0xcd/0x170 [ 512.988849][ T903] do_syscall_64+0xc6/0x1e0 [ 512.988849][ T903] [ 512.991018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 512.991018][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 512.991018][ T903] ipv6_find_idev+0x102/0x170 [ 512.991018][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.991018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.991018][ T903] netlink_rcv_skb+0x130/0x360 [ 512.991018][ T903] netlink_unicast+0x449/0x710 [ 512.991018][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.991018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.991018][ T903] ___sys_sendmsg+0xee/0x170 [ 512.991018][ T903] __sys_sendmsg+0xcd/0x170 [ 512.991018][ T903] do_syscall_64+0xc6/0x1e0 [ 512.991018][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.991018][ T903] [ 512.992702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 512.992702][ T903] neigh_parms_alloc+0x1e5/0x510 [ 512.992702][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 512.992702][ T903] ipv6_find_idev+0x102/0x170 [ 512.992702][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.992702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.992702][ T903] netlink_rcv_skb+0x130/0x360 [ 512.992702][ T903] netlink_unicast+0x449/0x710 [ 512.992702][ T903] netlink_sendmsg+0x723/0xbe0 [ 512.992702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 512.992702][ T903] ___sys_sendmsg+0xee/0x170 [ 512.992702][ T903] __sys_sendmsg+0xcd/0x170 [ 512.992702][ T903] do_syscall_64+0xc6/0x1e0 [ 512.992702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.992702][ T903] [ 523.245880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 523.246418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 523.246418][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 523.246418][ T903] ip6_validate_gw+0x3eb/0x790 [ 523.246418][ T903] fib6_nh_init+0xa5b/0x15b0 [ 523.246418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 523.246418][ T903] ip6_route_add+0x1c/0x140 [ 523.246418][ T903] inet6_rtm_newroute+0x104/0x110 [ 523.246418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.246418][ T903] netlink_rcv_skb+0x130/0x360 [ 523.246418][ T903] netlink_unicast+0x449/0x710 [ 523.246418][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.246418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.246418][ T903] ___sys_sendmsg+0xee/0x170 [ 523.246418][ T903] __sys_sendmsg+0xcd/0x170 [ 523.246418][ T903] do_syscall_64+0xc6/0x1e0 [ 523.246418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.246418][ T903] [ 523.248509][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 523.248509][ T903] netdev_get_by_index+0x5e/0x80 [ 523.248509][ T903] fib6_nh_init+0x3d8/0x15b0 [ 523.248509][ T903] ip6_route_info_create+0xf18/0x17d0 [ 523.248509][ T903] ip6_route_add+0x1c/0x140 [ 523.248509][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 523.248509][ T903] inet6_addr_add+0x4f8/0xa40 [ 523.248509][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 523.248509][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.248509][ T903] netlink_rcv_skb+0x130/0x360 [ 523.248509][ T903] netlink_unicast+0x449/0x710 [ 523.248509][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.248509][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.248509][ T903] ___sys_sendmsg+0xee/0x170 [ 523.248509][ T903] __sys_sendmsg+0xcd/0x170 [ 523.248509][ T903] do_syscall_64+0xc6/0x1e0 [ 523.248509][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.248509][ T903] [ 523.250716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 523.250716][ T903] netdev_get_by_index+0x5e/0x80 [ 523.250716][ T903] fib6_nh_init+0x3d8/0x15b0 [ 523.250716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 523.250716][ T903] addrconf_f6i_alloc+0x244/0x410 [ 523.250716][ T903] ipv6_add_addr+0x411/0x2000 [ 523.250716][ T903] inet6_addr_add+0x30e/0xa40 [ 523.250716][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 523.250716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.250716][ T903] netlink_rcv_skb+0x130/0x360 [ 523.250716][ T903] netlink_unicast+0x449/0x710 [ 523.250716][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.250716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.250716][ T903] ___sys_sendmsg+0xee/0x170 [ 523.250716][ T903] __sys_sendmsg+0xcd/0x170 [ 523.250716][ T903] do_syscall_64+0xc6/0x1e0 [ 523.250716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.250716][ T903] [ 523.252927][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 523.252927][ T903] netdev_get_by_index+0x5e/0x80 [ 523.252927][ T903] fib6_nh_init+0x3d8/0x15b0 [ 523.252927][ T903] ip6_route_info_create+0xf18/0x17d0 [ 523.252927][ T903] ip6_route_add+0x1c/0x140 [ 523.252927][ T903] addrconf_add_mroute+0x129/0x180 [ 523.252927][ T903] addrconf_add_dev+0xe2/0x170 [ 523.252927][ T903] inet6_addr_add+0x12f/0xa40 [ 523.252927][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 523.252927][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.252927][ T903] netlink_rcv_skb+0x130/0x360 [ 523.252927][ T903] netlink_unicast+0x449/0x710 [ 523.252927][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.252927][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.252927][ T903] ___sys_sendmsg+0xee/0x170 [ 523.252927][ T903] __sys_sendmsg+0xcd/0x170 [ 523.252927][ T903] do_syscall_64+0xc6/0x1e0 [ 523.252927][ T903] [ 523.255108][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 523.255108][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 523.255108][ T903] ipv6_find_idev+0x102/0x170 [ 523.255108][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.255108][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.255108][ T903] netlink_rcv_skb+0x130/0x360 [ 523.255108][ T903] netlink_unicast+0x449/0x710 [ 523.255108][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.255108][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.255108][ T903] ___sys_sendmsg+0xee/0x170 [ 523.255108][ T903] __sys_sendmsg+0xcd/0x170 [ 523.255108][ T903] do_syscall_64+0xc6/0x1e0 [ 523.255108][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.255108][ T903] [ 523.256901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 523.256901][ T903] neigh_parms_alloc+0x1e5/0x510 [ 523.256901][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 523.256901][ T903] ipv6_find_idev+0x102/0x170 [ 523.256901][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.256901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.256901][ T903] netlink_rcv_skb+0x130/0x360 [ 523.256901][ T903] netlink_unicast+0x449/0x710 [ 523.256901][ T903] netlink_sendmsg+0x723/0xbe0 [ 523.256901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 523.256901][ T903] ___sys_sendmsg+0xee/0x170 [ 523.256901][ T903] __sys_sendmsg+0xcd/0x170 [ 523.256901][ T903] do_syscall_64+0xc6/0x1e0 [ 523.256901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.256901][ T903] [ 533.261804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 533.262305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 533.262305][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 533.262305][ T903] ip6_validate_gw+0x3eb/0x790 [ 533.262305][ T903] fib6_nh_init+0xa5b/0x15b0 [ 533.262305][ T903] ip6_route_info_create+0xf18/0x17d0 [ 533.262305][ T903] ip6_route_add+0x1c/0x140 [ 533.262305][ T903] inet6_rtm_newroute+0x104/0x110 [ 533.262305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.262305][ T903] netlink_rcv_skb+0x130/0x360 [ 533.262305][ T903] netlink_unicast+0x449/0x710 [ 533.262305][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.262305][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.262305][ T903] ___sys_sendmsg+0xee/0x170 [ 533.262305][ T903] __sys_sendmsg+0xcd/0x170 [ 533.262305][ T903] do_syscall_64+0xc6/0x1e0 [ 533.262305][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.262305][ T903] [ 533.264409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 533.264409][ T903] netdev_get_by_index+0x5e/0x80 [ 533.264409][ T903] fib6_nh_init+0x3d8/0x15b0 [ 533.264409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 533.264409][ T903] ip6_route_add+0x1c/0x140 [ 533.264409][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 533.264409][ T903] inet6_addr_add+0x4f8/0xa40 [ 533.264409][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 533.264409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.264409][ T903] netlink_rcv_skb+0x130/0x360 [ 533.264409][ T903] netlink_unicast+0x449/0x710 [ 533.264409][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.264409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.264409][ T903] ___sys_sendmsg+0xee/0x170 [ 533.264409][ T903] __sys_sendmsg+0xcd/0x170 [ 533.264409][ T903] do_syscall_64+0xc6/0x1e0 [ 533.264409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.264409][ T903] [ 533.266654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 533.266654][ T903] netdev_get_by_index+0x5e/0x80 [ 533.266654][ T903] fib6_nh_init+0x3d8/0x15b0 [ 533.266654][ T903] ip6_route_info_create+0xf18/0x17d0 [ 533.266654][ T903] addrconf_f6i_alloc+0x244/0x410 [ 533.266654][ T903] ipv6_add_addr+0x411/0x2000 [ 533.266654][ T903] inet6_addr_add+0x30e/0xa40 [ 533.266654][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 533.266654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.266654][ T903] netlink_rcv_skb+0x130/0x360 [ 533.266654][ T903] netlink_unicast+0x449/0x710 [ 533.266654][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.266654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.266654][ T903] ___sys_sendmsg+0xee/0x170 [ 533.266654][ T903] __sys_sendmsg+0xcd/0x170 [ 533.266654][ T903] do_syscall_64+0xc6/0x1e0 [ 533.266654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.266654][ T903] [ 533.268863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 533.268863][ T903] netdev_get_by_index+0x5e/0x80 [ 533.268863][ T903] fib6_nh_init+0x3d8/0x15b0 [ 533.268863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 533.268863][ T903] ip6_route_add+0x1c/0x140 [ 533.268863][ T903] addrconf_add_mroute+0x129/0x180 [ 533.268863][ T903] addrconf_add_dev+0xe2/0x170 [ 533.268863][ T903] inet6_addr_add+0x12f/0xa40 [ 533.268863][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 533.268863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.268863][ T903] netlink_rcv_skb+0x130/0x360 [ 533.268863][ T903] netlink_unicast+0x449/0x710 [ 533.268863][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.268863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.268863][ T903] ___sys_sendmsg+0xee/0x170 [ 533.268863][ T903] __sys_sendmsg+0xcd/0x170 [ 533.268863][ T903] do_syscall_64+0xc6/0x1e0 [ 533.268863][ T903] [ 533.271025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 533.271025][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 533.271025][ T903] ipv6_find_idev+0x102/0x170 [ 533.271025][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.271025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.271025][ T903] netlink_rcv_skb+0x130/0x360 [ 533.271025][ T903] netlink_unicast+0x449/0x710 [ 533.271025][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.271025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.271025][ T903] ___sys_sendmsg+0xee/0x170 [ 533.271025][ T903] __sys_sendmsg+0xcd/0x170 [ 533.271025][ T903] do_syscall_64+0xc6/0x1e0 [ 533.271025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.271025][ T903] [ 533.272709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 533.272709][ T903] neigh_parms_alloc+0x1e5/0x510 [ 533.272709][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 533.272709][ T903] ipv6_find_idev+0x102/0x170 [ 533.272709][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.272709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.272709][ T903] netlink_rcv_skb+0x130/0x360 [ 533.272709][ T903] netlink_unicast+0x449/0x710 [ 533.272709][ T903] netlink_sendmsg+0x723/0xbe0 [ 533.272709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 533.272709][ T903] ___sys_sendmsg+0xee/0x170 [ 533.272709][ T903] __sys_sendmsg+0xcd/0x170 [ 533.272709][ T903] do_syscall_64+0xc6/0x1e0 [ 533.272709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.272709][ T903] [ 543.477805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 543.478519][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 543.478519][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 543.478519][ T903] ip6_validate_gw+0x3eb/0x790 [ 543.478519][ T903] fib6_nh_init+0xa5b/0x15b0 [ 543.478519][ T903] ip6_route_info_create+0xf18/0x17d0 [ 543.478519][ T903] ip6_route_add+0x1c/0x140 [ 543.478519][ T903] inet6_rtm_newroute+0x104/0x110 [ 543.478519][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.478519][ T903] netlink_rcv_skb+0x130/0x360 [ 543.478519][ T903] netlink_unicast+0x449/0x710 [ 543.478519][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.478519][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.478519][ T903] ___sys_sendmsg+0xee/0x170 [ 543.478519][ T903] __sys_sendmsg+0xcd/0x170 [ 543.478519][ T903] do_syscall_64+0xc6/0x1e0 [ 543.478519][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.478519][ T903] [ 543.481965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 543.481965][ T903] netdev_get_by_index+0x5e/0x80 [ 543.481965][ T903] fib6_nh_init+0x3d8/0x15b0 [ 543.481965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 543.481965][ T903] ip6_route_add+0x1c/0x140 [ 543.481965][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 543.481965][ T903] inet6_addr_add+0x4f8/0xa40 [ 543.481965][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 543.481965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.481965][ T903] netlink_rcv_skb+0x130/0x360 [ 543.481965][ T903] netlink_unicast+0x449/0x710 [ 543.481965][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.481965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.481965][ T903] ___sys_sendmsg+0xee/0x170 [ 543.481965][ T903] __sys_sendmsg+0xcd/0x170 [ 543.481965][ T903] do_syscall_64+0xc6/0x1e0 [ 543.481965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.481965][ T903] [ 543.485560][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 543.485560][ T903] netdev_get_by_index+0x5e/0x80 [ 543.485560][ T903] fib6_nh_init+0x3d8/0x15b0 [ 543.485560][ T903] ip6_route_info_create+0xf18/0x17d0 [ 543.485560][ T903] addrconf_f6i_alloc+0x244/0x410 [ 543.485560][ T903] ipv6_add_addr+0x411/0x2000 [ 543.485560][ T903] inet6_addr_add+0x30e/0xa40 [ 543.485560][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 543.485560][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.485560][ T903] netlink_rcv_skb+0x130/0x360 [ 543.485560][ T903] netlink_unicast+0x449/0x710 [ 543.485560][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.485560][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.485560][ T903] ___sys_sendmsg+0xee/0x170 [ 543.485560][ T903] __sys_sendmsg+0xcd/0x170 [ 543.485560][ T903] do_syscall_64+0xc6/0x1e0 [ 543.485560][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.485560][ T903] [ 543.489125][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 543.489125][ T903] netdev_get_by_index+0x5e/0x80 [ 543.489125][ T903] fib6_nh_init+0x3d8/0x15b0 [ 543.489125][ T903] ip6_route_info_create+0xf18/0x17d0 [ 543.489125][ T903] ip6_route_add+0x1c/0x140 [ 543.489125][ T903] addrconf_add_mroute+0x129/0x180 [ 543.489125][ T903] addrconf_add_dev+0xe2/0x170 [ 543.489125][ T903] inet6_addr_add+0x12f/0xa40 [ 543.489125][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 543.489125][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.489125][ T903] netlink_rcv_skb+0x130/0x360 [ 543.489125][ T903] netlink_unicast+0x449/0x710 [ 543.489125][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.489125][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.489125][ T903] ___sys_sendmsg+0xee/0x170 [ 543.489125][ T903] __sys_sendmsg+0xcd/0x170 [ 543.489125][ T903] do_syscall_64+0xc6/0x1e0 [ 543.489125][ T903] [ 543.492653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 543.492653][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 543.492653][ T903] ipv6_find_idev+0x102/0x170 [ 543.492653][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.492653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.492653][ T903] netlink_rcv_skb+0x130/0x360 [ 543.492653][ T903] netlink_unicast+0x449/0x710 [ 543.492653][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.492653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.492653][ T903] ___sys_sendmsg+0xee/0x170 [ 543.492653][ T903] __sys_sendmsg+0xcd/0x170 [ 543.492653][ T903] do_syscall_64+0xc6/0x1e0 [ 543.492653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.492653][ T903] [ 543.495377][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 543.495377][ T903] neigh_parms_alloc+0x1e5/0x510 [ 543.495377][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 543.495377][ T903] ipv6_find_idev+0x102/0x170 [ 543.495377][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.495377][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.495377][ T903] netlink_rcv_skb+0x130/0x360 [ 543.495377][ T903] netlink_unicast+0x449/0x710 [ 543.495377][ T903] netlink_sendmsg+0x723/0xbe0 [ 543.495377][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 543.495377][ T903] ___sys_sendmsg+0xee/0x170 [ 543.495377][ T903] __sys_sendmsg+0xcd/0x170 [ 543.495377][ T903] do_syscall_64+0xc6/0x1e0 [ 543.495377][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.495377][ T903] [ 553.749820][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 553.750309][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 553.750309][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 553.750309][ T903] ip6_validate_gw+0x3eb/0x790 [ 553.750309][ T903] fib6_nh_init+0xa5b/0x15b0 [ 553.750309][ T903] ip6_route_info_create+0xf18/0x17d0 [ 553.750309][ T903] ip6_route_add+0x1c/0x140 [ 553.750309][ T903] inet6_rtm_newroute+0x104/0x110 [ 553.750309][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.750309][ T903] netlink_rcv_skb+0x130/0x360 [ 553.750309][ T903] netlink_unicast+0x449/0x710 [ 553.750309][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.750309][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.750309][ T903] ___sys_sendmsg+0xee/0x170 [ 553.750309][ T903] __sys_sendmsg+0xcd/0x170 [ 553.750309][ T903] do_syscall_64+0xc6/0x1e0 [ 553.750309][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.750309][ T903] [ 553.752417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 553.752417][ T903] netdev_get_by_index+0x5e/0x80 [ 553.752417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 553.752417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 553.752417][ T903] ip6_route_add+0x1c/0x140 [ 553.752417][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 553.752417][ T903] inet6_addr_add+0x4f8/0xa40 [ 553.752417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 553.752417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.752417][ T903] netlink_rcv_skb+0x130/0x360 [ 553.752417][ T903] netlink_unicast+0x449/0x710 [ 553.752417][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.752417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.752417][ T903] ___sys_sendmsg+0xee/0x170 [ 553.752417][ T903] __sys_sendmsg+0xcd/0x170 [ 553.752417][ T903] do_syscall_64+0xc6/0x1e0 [ 553.752417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.752417][ T903] [ 553.754612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 553.754612][ T903] netdev_get_by_index+0x5e/0x80 [ 553.754612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 553.754612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 553.754612][ T903] addrconf_f6i_alloc+0x244/0x410 [ 553.754612][ T903] ipv6_add_addr+0x411/0x2000 [ 553.754612][ T903] inet6_addr_add+0x30e/0xa40 [ 553.754612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 553.754612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.754612][ T903] netlink_rcv_skb+0x130/0x360 [ 553.754612][ T903] netlink_unicast+0x449/0x710 [ 553.754612][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.754612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.754612][ T903] ___sys_sendmsg+0xee/0x170 [ 553.754612][ T903] __sys_sendmsg+0xcd/0x170 [ 553.754612][ T903] do_syscall_64+0xc6/0x1e0 [ 553.754612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.754612][ T903] [ 553.756800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 553.756800][ T903] netdev_get_by_index+0x5e/0x80 [ 553.756800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 553.756800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 553.756800][ T903] ip6_route_add+0x1c/0x140 [ 553.756800][ T903] addrconf_add_mroute+0x129/0x180 [ 553.756800][ T903] addrconf_add_dev+0xe2/0x170 [ 553.756800][ T903] inet6_addr_add+0x12f/0xa40 [ 553.756800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 553.756800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.756800][ T903] netlink_rcv_skb+0x130/0x360 [ 553.756800][ T903] netlink_unicast+0x449/0x710 [ 553.756800][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.756800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.756800][ T903] ___sys_sendmsg+0xee/0x170 [ 553.756800][ T903] __sys_sendmsg+0xcd/0x170 [ 553.756800][ T903] do_syscall_64+0xc6/0x1e0 [ 553.756800][ T903] [ 553.758959][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 553.758959][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 553.758959][ T903] ipv6_find_idev+0x102/0x170 [ 553.758959][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.758959][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.758959][ T903] netlink_rcv_skb+0x130/0x360 [ 553.758959][ T903] netlink_unicast+0x449/0x710 [ 553.758959][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.758959][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.758959][ T903] ___sys_sendmsg+0xee/0x170 [ 553.758959][ T903] __sys_sendmsg+0xcd/0x170 [ 553.758959][ T903] do_syscall_64+0xc6/0x1e0 [ 553.758959][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.758959][ T903] [ 553.760661][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 553.760661][ T903] neigh_parms_alloc+0x1e5/0x510 [ 553.760661][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 553.760661][ T903] ipv6_find_idev+0x102/0x170 [ 553.760661][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.760661][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.760661][ T903] netlink_rcv_skb+0x130/0x360 [ 553.760661][ T903] netlink_unicast+0x449/0x710 [ 553.760661][ T903] netlink_sendmsg+0x723/0xbe0 [ 553.760661][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 553.760661][ T903] ___sys_sendmsg+0xee/0x170 [ 553.760661][ T903] __sys_sendmsg+0xcd/0x170 [ 553.760661][ T903] do_syscall_64+0xc6/0x1e0 [ 553.760661][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.760661][ T903] [ 564.013855][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 564.014349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 564.014349][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 564.014349][ T903] ip6_validate_gw+0x3eb/0x790 [ 564.014349][ T903] fib6_nh_init+0xa5b/0x15b0 [ 564.014349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 564.014349][ T903] ip6_route_add+0x1c/0x140 [ 564.014349][ T903] inet6_rtm_newroute+0x104/0x110 [ 564.014349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.014349][ T903] netlink_rcv_skb+0x130/0x360 [ 564.014349][ T903] netlink_unicast+0x449/0x710 [ 564.014349][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.014349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.014349][ T903] ___sys_sendmsg+0xee/0x170 [ 564.014349][ T903] __sys_sendmsg+0xcd/0x170 [ 564.014349][ T903] do_syscall_64+0xc6/0x1e0 [ 564.014349][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.014349][ T903] [ 564.016464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 564.016464][ T903] netdev_get_by_index+0x5e/0x80 [ 564.016464][ T903] fib6_nh_init+0x3d8/0x15b0 [ 564.016464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 564.016464][ T903] ip6_route_add+0x1c/0x140 [ 564.016464][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 564.016464][ T903] inet6_addr_add+0x4f8/0xa40 [ 564.016464][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 564.016464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.016464][ T903] netlink_rcv_skb+0x130/0x360 [ 564.016464][ T903] netlink_unicast+0x449/0x710 [ 564.016464][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.016464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.016464][ T903] ___sys_sendmsg+0xee/0x170 [ 564.016464][ T903] __sys_sendmsg+0xcd/0x170 [ 564.016464][ T903] do_syscall_64+0xc6/0x1e0 [ 564.016464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.016464][ T903] [ 564.018679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 564.018679][ T903] netdev_get_by_index+0x5e/0x80 [ 564.018679][ T903] fib6_nh_init+0x3d8/0x15b0 [ 564.018679][ T903] ip6_route_info_create+0xf18/0x17d0 [ 564.018679][ T903] addrconf_f6i_alloc+0x244/0x410 [ 564.018679][ T903] ipv6_add_addr+0x411/0x2000 [ 564.018679][ T903] inet6_addr_add+0x30e/0xa40 [ 564.018679][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 564.018679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.018679][ T903] netlink_rcv_skb+0x130/0x360 [ 564.018679][ T903] netlink_unicast+0x449/0x710 [ 564.018679][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.018679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.018679][ T903] ___sys_sendmsg+0xee/0x170 [ 564.018679][ T903] __sys_sendmsg+0xcd/0x170 [ 564.018679][ T903] do_syscall_64+0xc6/0x1e0 [ 564.018679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.018679][ T903] [ 564.020907][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 564.020907][ T903] netdev_get_by_index+0x5e/0x80 [ 564.020907][ T903] fib6_nh_init+0x3d8/0x15b0 [ 564.020907][ T903] ip6_route_info_create+0xf18/0x17d0 [ 564.020907][ T903] ip6_route_add+0x1c/0x140 [ 564.020907][ T903] addrconf_add_mroute+0x129/0x180 [ 564.020907][ T903] addrconf_add_dev+0xe2/0x170 [ 564.020907][ T903] inet6_addr_add+0x12f/0xa40 [ 564.020907][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 564.020907][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.020907][ T903] netlink_rcv_skb+0x130/0x360 [ 564.020907][ T903] netlink_unicast+0x449/0x710 [ 564.020907][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.020907][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.020907][ T903] ___sys_sendmsg+0xee/0x170 [ 564.020907][ T903] __sys_sendmsg+0xcd/0x170 [ 564.020907][ T903] do_syscall_64+0xc6/0x1e0 [ 564.020907][ T903] [ 564.023083][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 564.023083][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 564.023083][ T903] ipv6_find_idev+0x102/0x170 [ 564.023083][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 564.023083][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.023083][ T903] netlink_rcv_skb+0x130/0x360 [ 564.023083][ T903] netlink_unicast+0x449/0x710 [ 564.023083][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.023083][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.023083][ T903] ___sys_sendmsg+0xee/0x170 [ 564.023083][ T903] __sys_sendmsg+0xcd/0x170 [ 564.023083][ T903] do_syscall_64+0xc6/0x1e0 [ 564.023083][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.023083][ T903] [ 564.024790][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 564.024790][ T903] neigh_parms_alloc+0x1e5/0x510 [ 564.024790][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 564.024790][ T903] ipv6_find_idev+0x102/0x170 [ 564.024790][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 564.024790][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 564.024790][ T903] netlink_rcv_skb+0x130/0x360 [ 564.024790][ T903] netlink_unicast+0x449/0x710 [ 564.024790][ T903] netlink_sendmsg+0x723/0xbe0 [ 564.024790][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 564.024790][ T903] ___sys_sendmsg+0xee/0x170 [ 564.024790][ T903] __sys_sendmsg+0xcd/0x170 [ 564.024790][ T903] do_syscall_64+0xc6/0x1e0 [ 564.024790][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 564.024790][ T903] [ 574.277817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 574.278291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 574.278291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 574.278291][ T903] ip6_validate_gw+0x3eb/0x790 [ 574.278291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 574.278291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 574.278291][ T903] ip6_route_add+0x1c/0x140 [ 574.278291][ T903] inet6_rtm_newroute+0x104/0x110 [ 574.278291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.278291][ T903] netlink_rcv_skb+0x130/0x360 [ 574.278291][ T903] netlink_unicast+0x449/0x710 [ 574.278291][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.278291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.278291][ T903] ___sys_sendmsg+0xee/0x170 [ 574.278291][ T903] __sys_sendmsg+0xcd/0x170 [ 574.278291][ T903] do_syscall_64+0xc6/0x1e0 [ 574.278291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.278291][ T903] [ 574.280393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 574.280393][ T903] netdev_get_by_index+0x5e/0x80 [ 574.280393][ T903] fib6_nh_init+0x3d8/0x15b0 [ 574.280393][ T903] ip6_route_info_create+0xf18/0x17d0 [ 574.280393][ T903] ip6_route_add+0x1c/0x140 [ 574.280393][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 574.280393][ T903] inet6_addr_add+0x4f8/0xa40 [ 574.280393][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 574.280393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.280393][ T903] netlink_rcv_skb+0x130/0x360 [ 574.280393][ T903] netlink_unicast+0x449/0x710 [ 574.280393][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.280393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.280393][ T903] ___sys_sendmsg+0xee/0x170 [ 574.280393][ T903] __sys_sendmsg+0xcd/0x170 [ 574.280393][ T903] do_syscall_64+0xc6/0x1e0 [ 574.280393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.280393][ T903] [ 574.282584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 574.282584][ T903] netdev_get_by_index+0x5e/0x80 [ 574.282584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 574.282584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 574.282584][ T903] addrconf_f6i_alloc+0x244/0x410 [ 574.282584][ T903] ipv6_add_addr+0x411/0x2000 [ 574.282584][ T903] inet6_addr_add+0x30e/0xa40 [ 574.282584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 574.282584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.282584][ T903] netlink_rcv_skb+0x130/0x360 [ 574.282584][ T903] netlink_unicast+0x449/0x710 [ 574.282584][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.282584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.282584][ T903] ___sys_sendmsg+0xee/0x170 [ 574.282584][ T903] __sys_sendmsg+0xcd/0x170 [ 574.282584][ T903] do_syscall_64+0xc6/0x1e0 [ 574.282584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.282584][ T903] [ 574.284789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 574.284789][ T903] netdev_get_by_index+0x5e/0x80 [ 574.284789][ T903] fib6_nh_init+0x3d8/0x15b0 [ 574.284789][ T903] ip6_route_info_create+0xf18/0x17d0 [ 574.284789][ T903] ip6_route_add+0x1c/0x140 [ 574.284789][ T903] addrconf_add_mroute+0x129/0x180 [ 574.284789][ T903] addrconf_add_dev+0xe2/0x170 [ 574.284789][ T903] inet6_addr_add+0x12f/0xa40 [ 574.284789][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 574.284789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.284789][ T903] netlink_rcv_skb+0x130/0x360 [ 574.284789][ T903] netlink_unicast+0x449/0x710 [ 574.284789][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.284789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.284789][ T903] ___sys_sendmsg+0xee/0x170 [ 574.284789][ T903] __sys_sendmsg+0xcd/0x170 [ 574.284789][ T903] do_syscall_64+0xc6/0x1e0 [ 574.284789][ T903] [ 574.286941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 574.286941][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 574.286941][ T903] ipv6_find_idev+0x102/0x170 [ 574.286941][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.286941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.286941][ T903] netlink_rcv_skb+0x130/0x360 [ 574.286941][ T903] netlink_unicast+0x449/0x710 [ 574.286941][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.286941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.286941][ T903] ___sys_sendmsg+0xee/0x170 [ 574.286941][ T903] __sys_sendmsg+0xcd/0x170 [ 574.286941][ T903] do_syscall_64+0xc6/0x1e0 [ 574.286941][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.286941][ T903] [ 574.288628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 574.288628][ T903] neigh_parms_alloc+0x1e5/0x510 [ 574.288628][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 574.288628][ T903] ipv6_find_idev+0x102/0x170 [ 574.288628][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.288628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.288628][ T903] netlink_rcv_skb+0x130/0x360 [ 574.288628][ T903] netlink_unicast+0x449/0x710 [ 574.288628][ T903] netlink_sendmsg+0x723/0xbe0 [ 574.288628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 574.288628][ T903] ___sys_sendmsg+0xee/0x170 [ 574.288628][ T903] __sys_sendmsg+0xcd/0x170 [ 574.288628][ T903] do_syscall_64+0xc6/0x1e0 [ 574.288628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.288628][ T903] [ 584.541899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 584.542387][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 584.542387][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 584.542387][ T903] ip6_validate_gw+0x3eb/0x790 [ 584.542387][ T903] fib6_nh_init+0xa5b/0x15b0 [ 584.542387][ T903] ip6_route_info_create+0xf18/0x17d0 [ 584.542387][ T903] ip6_route_add+0x1c/0x140 [ 584.542387][ T903] inet6_rtm_newroute+0x104/0x110 [ 584.542387][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.542387][ T903] netlink_rcv_skb+0x130/0x360 [ 584.542387][ T903] netlink_unicast+0x449/0x710 [ 584.542387][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.542387][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.542387][ T903] ___sys_sendmsg+0xee/0x170 [ 584.542387][ T903] __sys_sendmsg+0xcd/0x170 [ 584.542387][ T903] do_syscall_64+0xc6/0x1e0 [ 584.542387][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.542387][ T903] [ 584.544488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 584.544488][ T903] netdev_get_by_index+0x5e/0x80 [ 584.544488][ T903] fib6_nh_init+0x3d8/0x15b0 [ 584.544488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 584.544488][ T903] ip6_route_add+0x1c/0x140 [ 584.544488][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 584.544488][ T903] inet6_addr_add+0x4f8/0xa40 [ 584.544488][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 584.544488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.544488][ T903] netlink_rcv_skb+0x130/0x360 [ 584.544488][ T903] netlink_unicast+0x449/0x710 [ 584.544488][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.544488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.544488][ T903] ___sys_sendmsg+0xee/0x170 [ 584.544488][ T903] __sys_sendmsg+0xcd/0x170 [ 584.544488][ T903] do_syscall_64+0xc6/0x1e0 [ 584.544488][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.544488][ T903] [ 584.546704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 584.546704][ T903] netdev_get_by_index+0x5e/0x80 [ 584.546704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 584.546704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 584.546704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 584.546704][ T903] ipv6_add_addr+0x411/0x2000 [ 584.546704][ T903] inet6_addr_add+0x30e/0xa40 [ 584.546704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 584.546704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.546704][ T903] netlink_rcv_skb+0x130/0x360 [ 584.546704][ T903] netlink_unicast+0x449/0x710 [ 584.546704][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.546704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.546704][ T903] ___sys_sendmsg+0xee/0x170 [ 584.546704][ T903] __sys_sendmsg+0xcd/0x170 [ 584.546704][ T903] do_syscall_64+0xc6/0x1e0 [ 584.546704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.546704][ T903] [ 584.548921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 584.548921][ T903] netdev_get_by_index+0x5e/0x80 [ 584.548921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 584.548921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 584.548921][ T903] ip6_route_add+0x1c/0x140 [ 584.548921][ T903] addrconf_add_mroute+0x129/0x180 [ 584.548921][ T903] addrconf_add_dev+0xe2/0x170 [ 584.548921][ T903] inet6_addr_add+0x12f/0xa40 [ 584.548921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 584.548921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.548921][ T903] netlink_rcv_skb+0x130/0x360 [ 584.548921][ T903] netlink_unicast+0x449/0x710 [ 584.548921][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.548921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.548921][ T903] ___sys_sendmsg+0xee/0x170 [ 584.548921][ T903] __sys_sendmsg+0xcd/0x170 [ 584.548921][ T903] do_syscall_64+0xc6/0x1e0 [ 584.548921][ T903] [ 584.551098][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 584.551098][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 584.551098][ T903] ipv6_find_idev+0x102/0x170 [ 584.551098][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.551098][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.551098][ T903] netlink_rcv_skb+0x130/0x360 [ 584.551098][ T903] netlink_unicast+0x449/0x710 [ 584.551098][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.551098][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.551098][ T903] ___sys_sendmsg+0xee/0x170 [ 584.551098][ T903] __sys_sendmsg+0xcd/0x170 [ 584.551098][ T903] do_syscall_64+0xc6/0x1e0 [ 584.551098][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.551098][ T903] [ 584.552803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 584.552803][ T903] neigh_parms_alloc+0x1e5/0x510 [ 584.552803][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 584.552803][ T903] ipv6_find_idev+0x102/0x170 [ 584.552803][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.552803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.552803][ T903] netlink_rcv_skb+0x130/0x360 [ 584.552803][ T903] netlink_unicast+0x449/0x710 [ 584.552803][ T903] netlink_sendmsg+0x723/0xbe0 [ 584.552803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 584.552803][ T903] ___sys_sendmsg+0xee/0x170 [ 584.552803][ T903] __sys_sendmsg+0xcd/0x170 [ 584.552803][ T903] do_syscall_64+0xc6/0x1e0 [ 584.552803][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.552803][ T903] [ 594.805805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 594.806278][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 594.806278][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 594.806278][ T903] ip6_validate_gw+0x3eb/0x790 [ 594.806278][ T903] fib6_nh_init+0xa5b/0x15b0 [ 594.806278][ T903] ip6_route_info_create+0xf18/0x17d0 [ 594.806278][ T903] ip6_route_add+0x1c/0x140 [ 594.806278][ T903] inet6_rtm_newroute+0x104/0x110 [ 594.806278][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.806278][ T903] netlink_rcv_skb+0x130/0x360 [ 594.806278][ T903] netlink_unicast+0x449/0x710 [ 594.806278][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.806278][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.806278][ T903] ___sys_sendmsg+0xee/0x170 [ 594.806278][ T903] __sys_sendmsg+0xcd/0x170 [ 594.806278][ T903] do_syscall_64+0xc6/0x1e0 [ 594.806278][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.806278][ T903] [ 594.808385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 594.808385][ T903] netdev_get_by_index+0x5e/0x80 [ 594.808385][ T903] fib6_nh_init+0x3d8/0x15b0 [ 594.808385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 594.808385][ T903] ip6_route_add+0x1c/0x140 [ 594.808385][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 594.808385][ T903] inet6_addr_add+0x4f8/0xa40 [ 594.808385][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 594.808385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.808385][ T903] netlink_rcv_skb+0x130/0x360 [ 594.808385][ T903] netlink_unicast+0x449/0x710 [ 594.808385][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.808385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.808385][ T903] ___sys_sendmsg+0xee/0x170 [ 594.808385][ T903] __sys_sendmsg+0xcd/0x170 [ 594.808385][ T903] do_syscall_64+0xc6/0x1e0 [ 594.808385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.808385][ T903] [ 594.810613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 594.810613][ T903] netdev_get_by_index+0x5e/0x80 [ 594.810613][ T903] fib6_nh_init+0x3d8/0x15b0 [ 594.810613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 594.810613][ T903] addrconf_f6i_alloc+0x244/0x410 [ 594.810613][ T903] ipv6_add_addr+0x411/0x2000 [ 594.810613][ T903] inet6_addr_add+0x30e/0xa40 [ 594.810613][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 594.810613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.810613][ T903] netlink_rcv_skb+0x130/0x360 [ 594.810613][ T903] netlink_unicast+0x449/0x710 [ 594.810613][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.810613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.810613][ T903] ___sys_sendmsg+0xee/0x170 [ 594.810613][ T903] __sys_sendmsg+0xcd/0x170 [ 594.810613][ T903] do_syscall_64+0xc6/0x1e0 [ 594.810613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.810613][ T903] [ 594.812826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 594.812826][ T903] netdev_get_by_index+0x5e/0x80 [ 594.812826][ T903] fib6_nh_init+0x3d8/0x15b0 [ 594.812826][ T903] ip6_route_info_create+0xf18/0x17d0 [ 594.812826][ T903] ip6_route_add+0x1c/0x140 [ 594.812826][ T903] addrconf_add_mroute+0x129/0x180 [ 594.812826][ T903] addrconf_add_dev+0xe2/0x170 [ 594.812826][ T903] inet6_addr_add+0x12f/0xa40 [ 594.812826][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 594.812826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.812826][ T903] netlink_rcv_skb+0x130/0x360 [ 594.812826][ T903] netlink_unicast+0x449/0x710 [ 594.812826][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.812826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.812826][ T903] ___sys_sendmsg+0xee/0x170 [ 594.812826][ T903] __sys_sendmsg+0xcd/0x170 [ 594.812826][ T903] do_syscall_64+0xc6/0x1e0 [ 594.812826][ T903] [ 594.814999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 594.814999][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 594.814999][ T903] ipv6_find_idev+0x102/0x170 [ 594.814999][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.814999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.814999][ T903] netlink_rcv_skb+0x130/0x360 [ 594.814999][ T903] netlink_unicast+0x449/0x710 [ 594.814999][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.814999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.814999][ T903] ___sys_sendmsg+0xee/0x170 [ 594.814999][ T903] __sys_sendmsg+0xcd/0x170 [ 594.814999][ T903] do_syscall_64+0xc6/0x1e0 [ 594.814999][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.814999][ T903] [ 594.816701][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 594.816701][ T903] neigh_parms_alloc+0x1e5/0x510 [ 594.816701][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 594.816701][ T903] ipv6_find_idev+0x102/0x170 [ 594.816701][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.816701][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.816701][ T903] netlink_rcv_skb+0x130/0x360 [ 594.816701][ T903] netlink_unicast+0x449/0x710 [ 594.816701][ T903] netlink_sendmsg+0x723/0xbe0 [ 594.816701][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 594.816701][ T903] ___sys_sendmsg+0xee/0x170 [ 594.816701][ T903] __sys_sendmsg+0xcd/0x170 [ 594.816701][ T903] do_syscall_64+0xc6/0x1e0 [ 594.816701][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.816701][ T903] [ 605.069806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 605.070286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 605.070286][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 605.070286][ T903] ip6_validate_gw+0x3eb/0x790 [ 605.070286][ T903] fib6_nh_init+0xa5b/0x15b0 [ 605.070286][ T903] ip6_route_info_create+0xf18/0x17d0 [ 605.070286][ T903] ip6_route_add+0x1c/0x140 [ 605.070286][ T903] inet6_rtm_newroute+0x104/0x110 [ 605.070286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.070286][ T903] netlink_rcv_skb+0x130/0x360 [ 605.070286][ T903] netlink_unicast+0x449/0x710 [ 605.070286][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.070286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.070286][ T903] ___sys_sendmsg+0xee/0x170 [ 605.070286][ T903] __sys_sendmsg+0xcd/0x170 [ 605.070286][ T903] do_syscall_64+0xc6/0x1e0 [ 605.070286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 605.070286][ T903] [ 605.072392][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 605.072392][ T903] netdev_get_by_index+0x5e/0x80 [ 605.072392][ T903] fib6_nh_init+0x3d8/0x15b0 [ 605.072392][ T903] ip6_route_info_create+0xf18/0x17d0 [ 605.072392][ T903] ip6_route_add+0x1c/0x140 [ 605.072392][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 605.072392][ T903] inet6_addr_add+0x4f8/0xa40 [ 605.072392][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 605.072392][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.072392][ T903] netlink_rcv_skb+0x130/0x360 [ 605.072392][ T903] netlink_unicast+0x449/0x710 [ 605.072392][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.072392][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.072392][ T903] ___sys_sendmsg+0xee/0x170 [ 605.072392][ T903] __sys_sendmsg+0xcd/0x170 [ 605.072392][ T903] do_syscall_64+0xc6/0x1e0 [ 605.072392][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 605.072392][ T903] [ 605.074611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 605.074611][ T903] netdev_get_by_index+0x5e/0x80 [ 605.074611][ T903] fib6_nh_init+0x3d8/0x15b0 [ 605.074611][ T903] ip6_route_info_create+0xf18/0x17d0 [ 605.074611][ T903] addrconf_f6i_alloc+0x244/0x410 [ 605.074611][ T903] ipv6_add_addr+0x411/0x2000 [ 605.074611][ T903] inet6_addr_add+0x30e/0xa40 [ 605.074611][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 605.074611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.074611][ T903] netlink_rcv_skb+0x130/0x360 [ 605.074611][ T903] netlink_unicast+0x449/0x710 [ 605.074611][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.074611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.074611][ T903] ___sys_sendmsg+0xee/0x170 [ 605.074611][ T903] __sys_sendmsg+0xcd/0x170 [ 605.074611][ T903] do_syscall_64+0xc6/0x1e0 [ 605.074611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 605.074611][ T903] [ 605.076821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 605.076821][ T903] netdev_get_by_index+0x5e/0x80 [ 605.076821][ T903] fib6_nh_init+0x3d8/0x15b0 [ 605.076821][ T903] ip6_route_info_create+0xf18/0x17d0 [ 605.076821][ T903] ip6_route_add+0x1c/0x140 [ 605.076821][ T903] addrconf_add_mroute+0x129/0x180 [ 605.076821][ T903] addrconf_add_dev+0xe2/0x170 [ 605.076821][ T903] inet6_addr_add+0x12f/0xa40 [ 605.076821][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 605.076821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.076821][ T903] netlink_rcv_skb+0x130/0x360 [ 605.076821][ T903] netlink_unicast+0x449/0x710 [ 605.076821][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.076821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.076821][ T903] ___sys_sendmsg+0xee/0x170 [ 605.076821][ T903] __sys_sendmsg+0xcd/0x170 [ 605.076821][ T903] do_syscall_64+0xc6/0x1e0 [ 605.076821][ T903] [ 605.079006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 605.079006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 605.079006][ T903] ipv6_find_idev+0x102/0x170 [ 605.079006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 605.079006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.079006][ T903] netlink_rcv_skb+0x130/0x360 [ 605.079006][ T903] netlink_unicast+0x449/0x710 [ 605.079006][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.079006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.079006][ T903] ___sys_sendmsg+0xee/0x170 [ 605.079006][ T903] __sys_sendmsg+0xcd/0x170 [ 605.079006][ T903] do_syscall_64+0xc6/0x1e0 [ 605.079006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 605.079006][ T903] [ 605.080708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 605.080708][ T903] neigh_parms_alloc+0x1e5/0x510 [ 605.080708][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 605.080708][ T903] ipv6_find_idev+0x102/0x170 [ 605.080708][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 605.080708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 605.080708][ T903] netlink_rcv_skb+0x130/0x360 [ 605.080708][ T903] netlink_unicast+0x449/0x710 [ 605.080708][ T903] netlink_sendmsg+0x723/0xbe0 [ 605.080708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 605.080708][ T903] ___sys_sendmsg+0xee/0x170 [ 605.080708][ T903] __sys_sendmsg+0xcd/0x170 [ 605.080708][ T903] do_syscall_64+0xc6/0x1e0 [ 605.080708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 605.080708][ T903] [ 615.333807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 615.334293][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 615.334293][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 615.334293][ T903] ip6_validate_gw+0x3eb/0x790 [ 615.334293][ T903] fib6_nh_init+0xa5b/0x15b0 [ 615.334293][ T903] ip6_route_info_create+0xf18/0x17d0 [ 615.334293][ T903] ip6_route_add+0x1c/0x140 [ 615.334293][ T903] inet6_rtm_newroute+0x104/0x110 [ 615.334293][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.334293][ T903] netlink_rcv_skb+0x130/0x360 [ 615.334293][ T903] netlink_unicast+0x449/0x710 [ 615.334293][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.334293][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.334293][ T903] ___sys_sendmsg+0xee/0x170 [ 615.334293][ T903] __sys_sendmsg+0xcd/0x170 [ 615.334293][ T903] do_syscall_64+0xc6/0x1e0 [ 615.334293][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.334293][ T903] [ 615.336407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 615.336407][ T903] netdev_get_by_index+0x5e/0x80 [ 615.336407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 615.336407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 615.336407][ T903] ip6_route_add+0x1c/0x140 [ 615.336407][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 615.336407][ T903] inet6_addr_add+0x4f8/0xa40 [ 615.336407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 615.336407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.336407][ T903] netlink_rcv_skb+0x130/0x360 [ 615.336407][ T903] netlink_unicast+0x449/0x710 [ 615.336407][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.336407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.336407][ T903] ___sys_sendmsg+0xee/0x170 [ 615.336407][ T903] __sys_sendmsg+0xcd/0x170 [ 615.336407][ T903] do_syscall_64+0xc6/0x1e0 [ 615.336407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.336407][ T903] [ 615.338620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 615.338620][ T903] netdev_get_by_index+0x5e/0x80 [ 615.338620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 615.338620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 615.338620][ T903] addrconf_f6i_alloc+0x244/0x410 [ 615.338620][ T903] ipv6_add_addr+0x411/0x2000 [ 615.338620][ T903] inet6_addr_add+0x30e/0xa40 [ 615.338620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 615.338620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.338620][ T903] netlink_rcv_skb+0x130/0x360 [ 615.338620][ T903] netlink_unicast+0x449/0x710 [ 615.338620][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.338620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.338620][ T903] ___sys_sendmsg+0xee/0x170 [ 615.338620][ T903] __sys_sendmsg+0xcd/0x170 [ 615.338620][ T903] do_syscall_64+0xc6/0x1e0 [ 615.338620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.338620][ T903] [ 615.340840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 615.340840][ T903] netdev_get_by_index+0x5e/0x80 [ 615.340840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 615.340840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 615.340840][ T903] ip6_route_add+0x1c/0x140 [ 615.340840][ T903] addrconf_add_mroute+0x129/0x180 [ 615.340840][ T903] addrconf_add_dev+0xe2/0x170 [ 615.340840][ T903] inet6_addr_add+0x12f/0xa40 [ 615.340840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 615.340840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.340840][ T903] netlink_rcv_skb+0x130/0x360 [ 615.340840][ T903] netlink_unicast+0x449/0x710 [ 615.340840][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.340840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.340840][ T903] ___sys_sendmsg+0xee/0x170 [ 615.340840][ T903] __sys_sendmsg+0xcd/0x170 [ 615.340840][ T903] do_syscall_64+0xc6/0x1e0 [ 615.340840][ T903] [ 615.343019][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 615.343019][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 615.343019][ T903] ipv6_find_idev+0x102/0x170 [ 615.343019][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 615.343019][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.343019][ T903] netlink_rcv_skb+0x130/0x360 [ 615.343019][ T903] netlink_unicast+0x449/0x710 [ 615.343019][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.343019][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.343019][ T903] ___sys_sendmsg+0xee/0x170 [ 615.343019][ T903] __sys_sendmsg+0xcd/0x170 [ 615.343019][ T903] do_syscall_64+0xc6/0x1e0 [ 615.343019][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.343019][ T903] [ 615.344718][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 615.344718][ T903] neigh_parms_alloc+0x1e5/0x510 [ 615.344718][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 615.344718][ T903] ipv6_find_idev+0x102/0x170 [ 615.344718][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 615.344718][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 615.344718][ T903] netlink_rcv_skb+0x130/0x360 [ 615.344718][ T903] netlink_unicast+0x449/0x710 [ 615.344718][ T903] netlink_sendmsg+0x723/0xbe0 [ 615.344718][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 615.344718][ T903] ___sys_sendmsg+0xee/0x170 [ 615.344718][ T903] __sys_sendmsg+0xcd/0x170 [ 615.344718][ T903] do_syscall_64+0xc6/0x1e0 [ 615.344718][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.344718][ T903] [ 625.597799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 625.598296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 625.598296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 625.598296][ T903] ip6_validate_gw+0x3eb/0x790 [ 625.598296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 625.598296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 625.598296][ T903] ip6_route_add+0x1c/0x140 [ 625.598296][ T903] inet6_rtm_newroute+0x104/0x110 [ 625.598296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.598296][ T903] netlink_rcv_skb+0x130/0x360 [ 625.598296][ T903] netlink_unicast+0x449/0x710 [ 625.598296][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.598296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.598296][ T903] ___sys_sendmsg+0xee/0x170 [ 625.598296][ T903] __sys_sendmsg+0xcd/0x170 [ 625.598296][ T903] do_syscall_64+0xc6/0x1e0 [ 625.598296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.598296][ T903] [ 625.600417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 625.600417][ T903] netdev_get_by_index+0x5e/0x80 [ 625.600417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 625.600417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 625.600417][ T903] ip6_route_add+0x1c/0x140 [ 625.600417][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 625.600417][ T903] inet6_addr_add+0x4f8/0xa40 [ 625.600417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 625.600417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.600417][ T903] netlink_rcv_skb+0x130/0x360 [ 625.600417][ T903] netlink_unicast+0x449/0x710 [ 625.600417][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.600417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.600417][ T903] ___sys_sendmsg+0xee/0x170 [ 625.600417][ T903] __sys_sendmsg+0xcd/0x170 [ 625.600417][ T903] do_syscall_64+0xc6/0x1e0 [ 625.600417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.600417][ T903] [ 625.602633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 625.602633][ T903] netdev_get_by_index+0x5e/0x80 [ 625.602633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 625.602633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 625.602633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 625.602633][ T903] ipv6_add_addr+0x411/0x2000 [ 625.602633][ T903] inet6_addr_add+0x30e/0xa40 [ 625.602633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 625.602633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.602633][ T903] netlink_rcv_skb+0x130/0x360 [ 625.602633][ T903] netlink_unicast+0x449/0x710 [ 625.602633][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.602633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.602633][ T903] ___sys_sendmsg+0xee/0x170 [ 625.602633][ T903] __sys_sendmsg+0xcd/0x170 [ 625.602633][ T903] do_syscall_64+0xc6/0x1e0 [ 625.602633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.602633][ T903] [ 625.604840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 625.604840][ T903] netdev_get_by_index+0x5e/0x80 [ 625.604840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 625.604840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 625.604840][ T903] ip6_route_add+0x1c/0x140 [ 625.604840][ T903] addrconf_add_mroute+0x129/0x180 [ 625.604840][ T903] addrconf_add_dev+0xe2/0x170 [ 625.604840][ T903] inet6_addr_add+0x12f/0xa40 [ 625.604840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 625.604840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.604840][ T903] netlink_rcv_skb+0x130/0x360 [ 625.604840][ T903] netlink_unicast+0x449/0x710 [ 625.604840][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.604840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.604840][ T903] ___sys_sendmsg+0xee/0x170 [ 625.604840][ T903] __sys_sendmsg+0xcd/0x170 [ 625.604840][ T903] do_syscall_64+0xc6/0x1e0 [ 625.604840][ T903] [ 625.607019][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 625.607019][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 625.607019][ T903] ipv6_find_idev+0x102/0x170 [ 625.607019][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.607019][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.607019][ T903] netlink_rcv_skb+0x130/0x360 [ 625.607019][ T903] netlink_unicast+0x449/0x710 [ 625.607019][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.607019][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.607019][ T903] ___sys_sendmsg+0xee/0x170 [ 625.607019][ T903] __sys_sendmsg+0xcd/0x170 [ 625.607019][ T903] do_syscall_64+0xc6/0x1e0 [ 625.607019][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.607019][ T903] [ 625.608719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 625.608719][ T903] neigh_parms_alloc+0x1e5/0x510 [ 625.608719][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 625.608719][ T903] ipv6_find_idev+0x102/0x170 [ 625.608719][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 625.608719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 625.608719][ T903] netlink_rcv_skb+0x130/0x360 [ 625.608719][ T903] netlink_unicast+0x449/0x710 [ 625.608719][ T903] netlink_sendmsg+0x723/0xbe0 [ 625.608719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 625.608719][ T903] ___sys_sendmsg+0xee/0x170 [ 625.608719][ T903] __sys_sendmsg+0xcd/0x170 [ 625.608719][ T903] do_syscall_64+0xc6/0x1e0 [ 625.608719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 625.608719][ T903] [ 635.629775][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 635.630298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 635.630298][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 635.630298][ T903] ip6_validate_gw+0x3eb/0x790 [ 635.630298][ T903] fib6_nh_init+0xa5b/0x15b0 [ 635.630298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 635.630298][ T903] ip6_route_add+0x1c/0x140 [ 635.630298][ T903] inet6_rtm_newroute+0x104/0x110 [ 635.630298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.630298][ T903] netlink_rcv_skb+0x130/0x360 [ 635.630298][ T903] netlink_unicast+0x449/0x710 [ 635.630298][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.630298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.630298][ T903] ___sys_sendmsg+0xee/0x170 [ 635.630298][ T903] __sys_sendmsg+0xcd/0x170 [ 635.630298][ T903] do_syscall_64+0xc6/0x1e0 [ 635.630298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.630298][ T903] [ 635.632404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 635.632404][ T903] netdev_get_by_index+0x5e/0x80 [ 635.632404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 635.632404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 635.632404][ T903] ip6_route_add+0x1c/0x140 [ 635.632404][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 635.632404][ T903] inet6_addr_add+0x4f8/0xa40 [ 635.632404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 635.632404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.632404][ T903] netlink_rcv_skb+0x130/0x360 [ 635.632404][ T903] netlink_unicast+0x449/0x710 [ 635.632404][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.632404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.632404][ T903] ___sys_sendmsg+0xee/0x170 [ 635.632404][ T903] __sys_sendmsg+0xcd/0x170 [ 635.632404][ T903] do_syscall_64+0xc6/0x1e0 [ 635.632404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.632404][ T903] [ 635.634616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 635.634616][ T903] netdev_get_by_index+0x5e/0x80 [ 635.634616][ T903] fib6_nh_init+0x3d8/0x15b0 [ 635.634616][ T903] ip6_route_info_create+0xf18/0x17d0 [ 635.634616][ T903] addrconf_f6i_alloc+0x244/0x410 [ 635.634616][ T903] ipv6_add_addr+0x411/0x2000 [ 635.634616][ T903] inet6_addr_add+0x30e/0xa40 [ 635.634616][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 635.634616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.634616][ T903] netlink_rcv_skb+0x130/0x360 [ 635.634616][ T903] netlink_unicast+0x449/0x710 [ 635.634616][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.634616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.634616][ T903] ___sys_sendmsg+0xee/0x170 [ 635.634616][ T903] __sys_sendmsg+0xcd/0x170 [ 635.634616][ T903] do_syscall_64+0xc6/0x1e0 [ 635.634616][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.634616][ T903] [ 635.636825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 635.636825][ T903] netdev_get_by_index+0x5e/0x80 [ 635.636825][ T903] fib6_nh_init+0x3d8/0x15b0 [ 635.636825][ T903] ip6_route_info_create+0xf18/0x17d0 [ 635.636825][ T903] ip6_route_add+0x1c/0x140 [ 635.636825][ T903] addrconf_add_mroute+0x129/0x180 [ 635.636825][ T903] addrconf_add_dev+0xe2/0x170 [ 635.636825][ T903] inet6_addr_add+0x12f/0xa40 [ 635.636825][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 635.636825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.636825][ T903] netlink_rcv_skb+0x130/0x360 [ 635.636825][ T903] netlink_unicast+0x449/0x710 [ 635.636825][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.636825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.636825][ T903] ___sys_sendmsg+0xee/0x170 [ 635.636825][ T903] __sys_sendmsg+0xcd/0x170 [ 635.636825][ T903] do_syscall_64+0xc6/0x1e0 [ 635.636825][ T903] [ 635.639003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 635.639003][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 635.639003][ T903] ipv6_find_idev+0x102/0x170 [ 635.639003][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.639003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.639003][ T903] netlink_rcv_skb+0x130/0x360 [ 635.639003][ T903] netlink_unicast+0x449/0x710 [ 635.639003][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.639003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.639003][ T903] ___sys_sendmsg+0xee/0x170 [ 635.639003][ T903] __sys_sendmsg+0xcd/0x170 [ 635.639003][ T903] do_syscall_64+0xc6/0x1e0 [ 635.639003][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.639003][ T903] [ 635.640707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 635.640707][ T903] neigh_parms_alloc+0x1e5/0x510 [ 635.640707][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 635.640707][ T903] ipv6_find_idev+0x102/0x170 [ 635.640707][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 635.640707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 635.640707][ T903] netlink_rcv_skb+0x130/0x360 [ 635.640707][ T903] netlink_unicast+0x449/0x710 [ 635.640707][ T903] netlink_sendmsg+0x723/0xbe0 [ 635.640707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 635.640707][ T903] ___sys_sendmsg+0xee/0x170 [ 635.640707][ T903] __sys_sendmsg+0xcd/0x170 [ 635.640707][ T903] do_syscall_64+0xc6/0x1e0 [ 635.640707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 635.640707][ T903] [ 645.877786][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 645.878374][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 645.878374][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 645.878374][ T903] ip6_validate_gw+0x3eb/0x790 [ 645.878374][ T903] fib6_nh_init+0xa5b/0x15b0 [ 645.878374][ T903] ip6_route_info_create+0xf18/0x17d0 [ 645.878374][ T903] ip6_route_add+0x1c/0x140 [ 645.878374][ T903] inet6_rtm_newroute+0x104/0x110 [ 645.878374][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.878374][ T903] netlink_rcv_skb+0x130/0x360 [ 645.878374][ T903] netlink_unicast+0x449/0x710 [ 645.878374][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.878374][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.878374][ T903] ___sys_sendmsg+0xee/0x170 [ 645.878374][ T903] __sys_sendmsg+0xcd/0x170 [ 645.878374][ T903] do_syscall_64+0xc6/0x1e0 [ 645.878374][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.878374][ T903] [ 645.880773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 645.880773][ T903] netdev_get_by_index+0x5e/0x80 [ 645.880773][ T903] fib6_nh_init+0x3d8/0x15b0 [ 645.880773][ T903] ip6_route_info_create+0xf18/0x17d0 [ 645.880773][ T903] ip6_route_add+0x1c/0x140 [ 645.880773][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 645.880773][ T903] inet6_addr_add+0x4f8/0xa40 [ 645.880773][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 645.880773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.880773][ T903] netlink_rcv_skb+0x130/0x360 [ 645.880773][ T903] netlink_unicast+0x449/0x710 [ 645.880773][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.880773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.880773][ T903] ___sys_sendmsg+0xee/0x170 [ 645.880773][ T903] __sys_sendmsg+0xcd/0x170 [ 645.880773][ T903] do_syscall_64+0xc6/0x1e0 [ 645.880773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.880773][ T903] [ 645.883260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 645.883260][ T903] netdev_get_by_index+0x5e/0x80 [ 645.883260][ T903] fib6_nh_init+0x3d8/0x15b0 [ 645.883260][ T903] ip6_route_info_create+0xf18/0x17d0 [ 645.883260][ T903] addrconf_f6i_alloc+0x244/0x410 [ 645.883260][ T903] ipv6_add_addr+0x411/0x2000 [ 645.883260][ T903] inet6_addr_add+0x30e/0xa40 [ 645.883260][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 645.883260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.883260][ T903] netlink_rcv_skb+0x130/0x360 [ 645.883260][ T903] netlink_unicast+0x449/0x710 [ 645.883260][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.883260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.883260][ T903] ___sys_sendmsg+0xee/0x170 [ 645.883260][ T903] __sys_sendmsg+0xcd/0x170 [ 645.883260][ T903] do_syscall_64+0xc6/0x1e0 [ 645.883260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.883260][ T903] [ 645.885751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 645.885751][ T903] netdev_get_by_index+0x5e/0x80 [ 645.885751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 645.885751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 645.885751][ T903] ip6_route_add+0x1c/0x140 [ 645.885751][ T903] addrconf_add_mroute+0x129/0x180 [ 645.885751][ T903] addrconf_add_dev+0xe2/0x170 [ 645.885751][ T903] inet6_addr_add+0x12f/0xa40 [ 645.885751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 645.885751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.885751][ T903] netlink_rcv_skb+0x130/0x360 [ 645.885751][ T903] netlink_unicast+0x449/0x710 [ 645.885751][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.885751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.885751][ T903] ___sys_sendmsg+0xee/0x170 [ 645.885751][ T903] __sys_sendmsg+0xcd/0x170 [ 645.885751][ T903] do_syscall_64+0xc6/0x1e0 [ 645.885751][ T903] [ 645.888194][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 645.888194][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 645.888194][ T903] ipv6_find_idev+0x102/0x170 [ 645.888194][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.888194][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.888194][ T903] netlink_rcv_skb+0x130/0x360 [ 645.888194][ T903] netlink_unicast+0x449/0x710 [ 645.888194][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.888194][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.888194][ T903] ___sys_sendmsg+0xee/0x170 [ 645.888194][ T903] __sys_sendmsg+0xcd/0x170 [ 645.888194][ T903] do_syscall_64+0xc6/0x1e0 [ 645.888194][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.888194][ T903] [ 645.890107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 645.890107][ T903] neigh_parms_alloc+0x1e5/0x510 [ 645.890107][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 645.890107][ T903] ipv6_find_idev+0x102/0x170 [ 645.890107][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 645.890107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 645.890107][ T903] netlink_rcv_skb+0x130/0x360 [ 645.890107][ T903] netlink_unicast+0x449/0x710 [ 645.890107][ T903] netlink_sendmsg+0x723/0xbe0 [ 645.890107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 645.890107][ T903] ___sys_sendmsg+0xee/0x170 [ 645.890107][ T903] __sys_sendmsg+0xcd/0x170 [ 645.890107][ T903] do_syscall_64+0xc6/0x1e0 [ 645.890107][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 645.890107][ T903] [ 656.133810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 656.134307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 656.134307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 656.134307][ T903] ip6_validate_gw+0x3eb/0x790 [ 656.134307][ T903] fib6_nh_init+0xa5b/0x15b0 [ 656.134307][ T903] ip6_route_info_create+0xf18/0x17d0 [ 656.134307][ T903] ip6_route_add+0x1c/0x140 [ 656.134307][ T903] inet6_rtm_newroute+0x104/0x110 [ 656.134307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.134307][ T903] netlink_rcv_skb+0x130/0x360 [ 656.134307][ T903] netlink_unicast+0x449/0x710 [ 656.134307][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.134307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.134307][ T903] ___sys_sendmsg+0xee/0x170 [ 656.134307][ T903] __sys_sendmsg+0xcd/0x170 [ 656.134307][ T903] do_syscall_64+0xc6/0x1e0 [ 656.134307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.134307][ T903] [ 656.136416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 656.136416][ T903] netdev_get_by_index+0x5e/0x80 [ 656.136416][ T903] fib6_nh_init+0x3d8/0x15b0 [ 656.136416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 656.136416][ T903] ip6_route_add+0x1c/0x140 [ 656.136416][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 656.136416][ T903] inet6_addr_add+0x4f8/0xa40 [ 656.136416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 656.136416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.136416][ T903] netlink_rcv_skb+0x130/0x360 [ 656.136416][ T903] netlink_unicast+0x449/0x710 [ 656.136416][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.136416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.136416][ T903] ___sys_sendmsg+0xee/0x170 [ 656.136416][ T903] __sys_sendmsg+0xcd/0x170 [ 656.136416][ T903] do_syscall_64+0xc6/0x1e0 [ 656.136416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.136416][ T903] [ 656.138636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 656.138636][ T903] netdev_get_by_index+0x5e/0x80 [ 656.138636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 656.138636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 656.138636][ T903] addrconf_f6i_alloc+0x244/0x410 [ 656.138636][ T903] ipv6_add_addr+0x411/0x2000 [ 656.138636][ T903] inet6_addr_add+0x30e/0xa40 [ 656.138636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 656.138636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.138636][ T903] netlink_rcv_skb+0x130/0x360 [ 656.138636][ T903] netlink_unicast+0x449/0x710 [ 656.138636][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.138636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.138636][ T903] ___sys_sendmsg+0xee/0x170 [ 656.138636][ T903] __sys_sendmsg+0xcd/0x170 [ 656.138636][ T903] do_syscall_64+0xc6/0x1e0 [ 656.138636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.138636][ T903] [ 656.140881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 656.140881][ T903] netdev_get_by_index+0x5e/0x80 [ 656.140881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 656.140881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 656.140881][ T903] ip6_route_add+0x1c/0x140 [ 656.140881][ T903] addrconf_add_mroute+0x129/0x180 [ 656.140881][ T903] addrconf_add_dev+0xe2/0x170 [ 656.140881][ T903] inet6_addr_add+0x12f/0xa40 [ 656.140881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 656.140881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.140881][ T903] netlink_rcv_skb+0x130/0x360 [ 656.140881][ T903] netlink_unicast+0x449/0x710 [ 656.140881][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.140881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.140881][ T903] ___sys_sendmsg+0xee/0x170 [ 656.140881][ T903] __sys_sendmsg+0xcd/0x170 [ 656.140881][ T903] do_syscall_64+0xc6/0x1e0 [ 656.140881][ T903] [ 656.143064][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 656.143064][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 656.143064][ T903] ipv6_find_idev+0x102/0x170 [ 656.143064][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 656.143064][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.143064][ T903] netlink_rcv_skb+0x130/0x360 [ 656.143064][ T903] netlink_unicast+0x449/0x710 [ 656.143064][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.143064][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.143064][ T903] ___sys_sendmsg+0xee/0x170 [ 656.143064][ T903] __sys_sendmsg+0xcd/0x170 [ 656.143064][ T903] do_syscall_64+0xc6/0x1e0 [ 656.143064][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.143064][ T903] [ 656.145163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 656.145163][ T903] neigh_parms_alloc+0x1e5/0x510 [ 656.145163][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 656.145163][ T903] ipv6_find_idev+0x102/0x170 [ 656.145163][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 656.145163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 656.145163][ T903] netlink_rcv_skb+0x130/0x360 [ 656.145163][ T903] netlink_unicast+0x449/0x710 [ 656.145163][ T903] netlink_sendmsg+0x723/0xbe0 [ 656.145163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 656.145163][ T903] ___sys_sendmsg+0xee/0x170 [ 656.145163][ T903] __sys_sendmsg+0xcd/0x170 [ 656.145163][ T903] do_syscall_64+0xc6/0x1e0 [ 656.145163][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 656.145163][ T903] [ 666.197804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 666.198270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 666.198270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 666.198270][ T903] ip6_validate_gw+0x3eb/0x790 [ 666.198270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 666.198270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 666.198270][ T903] ip6_route_add+0x1c/0x140 [ 666.198270][ T903] inet6_rtm_newroute+0x104/0x110 [ 666.198270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.198270][ T903] netlink_rcv_skb+0x130/0x360 [ 666.198270][ T903] netlink_unicast+0x449/0x710 [ 666.198270][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.198270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.198270][ T903] ___sys_sendmsg+0xee/0x170 [ 666.198270][ T903] __sys_sendmsg+0xcd/0x170 [ 666.198270][ T903] do_syscall_64+0xc6/0x1e0 [ 666.198270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.198270][ T903] [ 666.200386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 666.200386][ T903] netdev_get_by_index+0x5e/0x80 [ 666.200386][ T903] fib6_nh_init+0x3d8/0x15b0 [ 666.200386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 666.200386][ T903] ip6_route_add+0x1c/0x140 [ 666.200386][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 666.200386][ T903] inet6_addr_add+0x4f8/0xa40 [ 666.200386][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 666.200386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.200386][ T903] netlink_rcv_skb+0x130/0x360 [ 666.200386][ T903] netlink_unicast+0x449/0x710 [ 666.200386][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.200386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.200386][ T903] ___sys_sendmsg+0xee/0x170 [ 666.200386][ T903] __sys_sendmsg+0xcd/0x170 [ 666.200386][ T903] do_syscall_64+0xc6/0x1e0 [ 666.200386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.200386][ T903] [ 666.202596][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 666.202596][ T903] netdev_get_by_index+0x5e/0x80 [ 666.202596][ T903] fib6_nh_init+0x3d8/0x15b0 [ 666.202596][ T903] ip6_route_info_create+0xf18/0x17d0 [ 666.202596][ T903] addrconf_f6i_alloc+0x244/0x410 [ 666.202596][ T903] ipv6_add_addr+0x411/0x2000 [ 666.202596][ T903] inet6_addr_add+0x30e/0xa40 [ 666.202596][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 666.202596][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.202596][ T903] netlink_rcv_skb+0x130/0x360 [ 666.202596][ T903] netlink_unicast+0x449/0x710 [ 666.202596][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.202596][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.202596][ T903] ___sys_sendmsg+0xee/0x170 [ 666.202596][ T903] __sys_sendmsg+0xcd/0x170 [ 666.202596][ T903] do_syscall_64+0xc6/0x1e0 [ 666.202596][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.202596][ T903] [ 666.204827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 666.204827][ T903] netdev_get_by_index+0x5e/0x80 [ 666.204827][ T903] fib6_nh_init+0x3d8/0x15b0 [ 666.204827][ T903] ip6_route_info_create+0xf18/0x17d0 [ 666.204827][ T903] ip6_route_add+0x1c/0x140 [ 666.204827][ T903] addrconf_add_mroute+0x129/0x180 [ 666.204827][ T903] addrconf_add_dev+0xe2/0x170 [ 666.204827][ T903] inet6_addr_add+0x12f/0xa40 [ 666.204827][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 666.204827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.204827][ T903] netlink_rcv_skb+0x130/0x360 [ 666.204827][ T903] netlink_unicast+0x449/0x710 [ 666.204827][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.204827][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.204827][ T903] ___sys_sendmsg+0xee/0x170 [ 666.204827][ T903] __sys_sendmsg+0xcd/0x170 [ 666.204827][ T903] do_syscall_64+0xc6/0x1e0 [ 666.204827][ T903] [ 666.207003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 666.207003][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 666.207003][ T903] ipv6_find_idev+0x102/0x170 [ 666.207003][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 666.207003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.207003][ T903] netlink_rcv_skb+0x130/0x360 [ 666.207003][ T903] netlink_unicast+0x449/0x710 [ 666.207003][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.207003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.207003][ T903] ___sys_sendmsg+0xee/0x170 [ 666.207003][ T903] __sys_sendmsg+0xcd/0x170 [ 666.207003][ T903] do_syscall_64+0xc6/0x1e0 [ 666.207003][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.207003][ T903] [ 666.208715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 666.208715][ T903] neigh_parms_alloc+0x1e5/0x510 [ 666.208715][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 666.208715][ T903] ipv6_find_idev+0x102/0x170 [ 666.208715][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 666.208715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 666.208715][ T903] netlink_rcv_skb+0x130/0x360 [ 666.208715][ T903] netlink_unicast+0x449/0x710 [ 666.208715][ T903] netlink_sendmsg+0x723/0xbe0 [ 666.208715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 666.208715][ T903] ___sys_sendmsg+0xee/0x170 [ 666.208715][ T903] __sys_sendmsg+0xcd/0x170 [ 666.208715][ T903] do_syscall_64+0xc6/0x1e0 [ 666.208715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 666.208715][ T903] [ 676.445808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 676.446274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 676.446274][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 676.446274][ T903] ip6_validate_gw+0x3eb/0x790 [ 676.446274][ T903] fib6_nh_init+0xa5b/0x15b0 [ 676.446274][ T903] ip6_route_info_create+0xf18/0x17d0 [ 676.446274][ T903] ip6_route_add+0x1c/0x140 [ 676.446274][ T903] inet6_rtm_newroute+0x104/0x110 [ 676.446274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.446274][ T903] netlink_rcv_skb+0x130/0x360 [ 676.446274][ T903] netlink_unicast+0x449/0x710 [ 676.446274][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.446274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.446274][ T903] ___sys_sendmsg+0xee/0x170 [ 676.446274][ T903] __sys_sendmsg+0xcd/0x170 [ 676.446274][ T903] do_syscall_64+0xc6/0x1e0 [ 676.446274][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.446274][ T903] [ 676.448395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 676.448395][ T903] netdev_get_by_index+0x5e/0x80 [ 676.448395][ T903] fib6_nh_init+0x3d8/0x15b0 [ 676.448395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 676.448395][ T903] ip6_route_add+0x1c/0x140 [ 676.448395][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 676.448395][ T903] inet6_addr_add+0x4f8/0xa40 [ 676.448395][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 676.448395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.448395][ T903] netlink_rcv_skb+0x130/0x360 [ 676.448395][ T903] netlink_unicast+0x449/0x710 [ 676.448395][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.448395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.448395][ T903] ___sys_sendmsg+0xee/0x170 [ 676.448395][ T903] __sys_sendmsg+0xcd/0x170 [ 676.448395][ T903] do_syscall_64+0xc6/0x1e0 [ 676.448395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.448395][ T903] [ 676.450639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 676.450639][ T903] netdev_get_by_index+0x5e/0x80 [ 676.450639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 676.450639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 676.450639][ T903] addrconf_f6i_alloc+0x244/0x410 [ 676.450639][ T903] ipv6_add_addr+0x411/0x2000 [ 676.450639][ T903] inet6_addr_add+0x30e/0xa40 [ 676.450639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 676.450639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.450639][ T903] netlink_rcv_skb+0x130/0x360 [ 676.450639][ T903] netlink_unicast+0x449/0x710 [ 676.450639][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.450639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.450639][ T903] ___sys_sendmsg+0xee/0x170 [ 676.450639][ T903] __sys_sendmsg+0xcd/0x170 [ 676.450639][ T903] do_syscall_64+0xc6/0x1e0 [ 676.450639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.450639][ T903] [ 676.452862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 676.452862][ T903] netdev_get_by_index+0x5e/0x80 [ 676.452862][ T903] fib6_nh_init+0x3d8/0x15b0 [ 676.452862][ T903] ip6_route_info_create+0xf18/0x17d0 [ 676.452862][ T903] ip6_route_add+0x1c/0x140 [ 676.452862][ T903] addrconf_add_mroute+0x129/0x180 [ 676.452862][ T903] addrconf_add_dev+0xe2/0x170 [ 676.452862][ T903] inet6_addr_add+0x12f/0xa40 [ 676.452862][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 676.452862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.452862][ T903] netlink_rcv_skb+0x130/0x360 [ 676.452862][ T903] netlink_unicast+0x449/0x710 [ 676.452862][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.452862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.452862][ T903] ___sys_sendmsg+0xee/0x170 [ 676.452862][ T903] __sys_sendmsg+0xcd/0x170 [ 676.452862][ T903] do_syscall_64+0xc6/0x1e0 [ 676.452862][ T903] [ 676.455043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 676.455043][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 676.455043][ T903] ipv6_find_idev+0x102/0x170 [ 676.455043][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.455043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.455043][ T903] netlink_rcv_skb+0x130/0x360 [ 676.455043][ T903] netlink_unicast+0x449/0x710 [ 676.455043][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.455043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.455043][ T903] ___sys_sendmsg+0xee/0x170 [ 676.455043][ T903] __sys_sendmsg+0xcd/0x170 [ 676.455043][ T903] do_syscall_64+0xc6/0x1e0 [ 676.455043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.455043][ T903] [ 676.456744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 676.456744][ T903] neigh_parms_alloc+0x1e5/0x510 [ 676.456744][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 676.456744][ T903] ipv6_find_idev+0x102/0x170 [ 676.456744][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 676.456744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 676.456744][ T903] netlink_rcv_skb+0x130/0x360 [ 676.456744][ T903] netlink_unicast+0x449/0x710 [ 676.456744][ T903] netlink_sendmsg+0x723/0xbe0 [ 676.456744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 676.456744][ T903] ___sys_sendmsg+0xee/0x170 [ 676.456744][ T903] __sys_sendmsg+0xcd/0x170 [ 676.456744][ T903] do_syscall_64+0xc6/0x1e0 [ 676.456744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 676.456744][ T903] [ 686.693865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 686.694379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 686.694379][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 686.694379][ T903] ip6_validate_gw+0x3eb/0x790 [ 686.694379][ T903] fib6_nh_init+0xa5b/0x15b0 [ 686.694379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 686.694379][ T903] ip6_route_add+0x1c/0x140 [ 686.694379][ T903] inet6_rtm_newroute+0x104/0x110 [ 686.694379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.694379][ T903] netlink_rcv_skb+0x130/0x360 [ 686.694379][ T903] netlink_unicast+0x449/0x710 [ 686.694379][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.694379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.694379][ T903] ___sys_sendmsg+0xee/0x170 [ 686.694379][ T903] __sys_sendmsg+0xcd/0x170 [ 686.694379][ T903] do_syscall_64+0xc6/0x1e0 [ 686.694379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.694379][ T903] [ 686.696531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 686.696531][ T903] netdev_get_by_index+0x5e/0x80 [ 686.696531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 686.696531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 686.696531][ T903] ip6_route_add+0x1c/0x140 [ 686.696531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 686.696531][ T903] inet6_addr_add+0x4f8/0xa40 [ 686.696531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 686.696531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.696531][ T903] netlink_rcv_skb+0x130/0x360 [ 686.696531][ T903] netlink_unicast+0x449/0x710 [ 686.696531][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.696531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.696531][ T903] ___sys_sendmsg+0xee/0x170 [ 686.696531][ T903] __sys_sendmsg+0xcd/0x170 [ 686.696531][ T903] do_syscall_64+0xc6/0x1e0 [ 686.696531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.696531][ T903] [ 686.698782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 686.698782][ T903] netdev_get_by_index+0x5e/0x80 [ 686.698782][ T903] fib6_nh_init+0x3d8/0x15b0 [ 686.698782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 686.698782][ T903] addrconf_f6i_alloc+0x244/0x410 [ 686.698782][ T903] ipv6_add_addr+0x411/0x2000 [ 686.698782][ T903] inet6_addr_add+0x30e/0xa40 [ 686.698782][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 686.698782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.698782][ T903] netlink_rcv_skb+0x130/0x360 [ 686.698782][ T903] netlink_unicast+0x449/0x710 [ 686.698782][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.698782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.698782][ T903] ___sys_sendmsg+0xee/0x170 [ 686.698782][ T903] __sys_sendmsg+0xcd/0x170 [ 686.698782][ T903] do_syscall_64+0xc6/0x1e0 [ 686.698782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.698782][ T903] [ 686.701015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 686.701015][ T903] netdev_get_by_index+0x5e/0x80 [ 686.701015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 686.701015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 686.701015][ T903] ip6_route_add+0x1c/0x140 [ 686.701015][ T903] addrconf_add_mroute+0x129/0x180 [ 686.701015][ T903] addrconf_add_dev+0xe2/0x170 [ 686.701015][ T903] inet6_addr_add+0x12f/0xa40 [ 686.701015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 686.701015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.701015][ T903] netlink_rcv_skb+0x130/0x360 [ 686.701015][ T903] netlink_unicast+0x449/0x710 [ 686.701015][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.701015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.701015][ T903] ___sys_sendmsg+0xee/0x170 [ 686.701015][ T903] __sys_sendmsg+0xcd/0x170 [ 686.701015][ T903] do_syscall_64+0xc6/0x1e0 [ 686.701015][ T903] [ 686.703212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 686.703212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 686.703212][ T903] ipv6_find_idev+0x102/0x170 [ 686.703212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.703212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.703212][ T903] netlink_rcv_skb+0x130/0x360 [ 686.703212][ T903] netlink_unicast+0x449/0x710 [ 686.703212][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.703212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.703212][ T903] ___sys_sendmsg+0xee/0x170 [ 686.703212][ T903] __sys_sendmsg+0xcd/0x170 [ 686.703212][ T903] do_syscall_64+0xc6/0x1e0 [ 686.703212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.703212][ T903] [ 686.704940][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 686.704940][ T903] neigh_parms_alloc+0x1e5/0x510 [ 686.704940][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 686.704940][ T903] ipv6_find_idev+0x102/0x170 [ 686.704940][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 686.704940][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 686.704940][ T903] netlink_rcv_skb+0x130/0x360 [ 686.704940][ T903] netlink_unicast+0x449/0x710 [ 686.704940][ T903] netlink_sendmsg+0x723/0xbe0 [ 686.704940][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 686.704940][ T903] ___sys_sendmsg+0xee/0x170 [ 686.704940][ T903] __sys_sendmsg+0xcd/0x170 [ 686.704940][ T903] do_syscall_64+0xc6/0x1e0 [ 686.704940][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 686.704940][ T903] [ 696.869826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 696.870295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 696.870295][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 696.870295][ T903] ip6_validate_gw+0x3eb/0x790 [ 696.870295][ T903] fib6_nh_init+0xa5b/0x15b0 [ 696.870295][ T903] ip6_route_info_create+0xf18/0x17d0 [ 696.870295][ T903] ip6_route_add+0x1c/0x140 [ 696.870295][ T903] inet6_rtm_newroute+0x104/0x110 [ 696.870295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.870295][ T903] netlink_rcv_skb+0x130/0x360 [ 696.870295][ T903] netlink_unicast+0x449/0x710 [ 696.870295][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.870295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.870295][ T903] ___sys_sendmsg+0xee/0x170 [ 696.870295][ T903] __sys_sendmsg+0xcd/0x170 [ 696.870295][ T903] do_syscall_64+0xc6/0x1e0 [ 696.870295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.870295][ T903] [ 696.872476][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 696.872476][ T903] netdev_get_by_index+0x5e/0x80 [ 696.872476][ T903] fib6_nh_init+0x3d8/0x15b0 [ 696.872476][ T903] ip6_route_info_create+0xf18/0x17d0 [ 696.872476][ T903] ip6_route_add+0x1c/0x140 [ 696.872476][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 696.872476][ T903] inet6_addr_add+0x4f8/0xa40 [ 696.872476][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 696.872476][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.872476][ T903] netlink_rcv_skb+0x130/0x360 [ 696.872476][ T903] netlink_unicast+0x449/0x710 [ 696.872476][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.872476][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.872476][ T903] ___sys_sendmsg+0xee/0x170 [ 696.872476][ T903] __sys_sendmsg+0xcd/0x170 [ 696.872476][ T903] do_syscall_64+0xc6/0x1e0 [ 696.872476][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.872476][ T903] [ 696.874704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 696.874704][ T903] netdev_get_by_index+0x5e/0x80 [ 696.874704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 696.874704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 696.874704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 696.874704][ T903] ipv6_add_addr+0x411/0x2000 [ 696.874704][ T903] inet6_addr_add+0x30e/0xa40 [ 696.874704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 696.874704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.874704][ T903] netlink_rcv_skb+0x130/0x360 [ 696.874704][ T903] netlink_unicast+0x449/0x710 [ 696.874704][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.874704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.874704][ T903] ___sys_sendmsg+0xee/0x170 [ 696.874704][ T903] __sys_sendmsg+0xcd/0x170 [ 696.874704][ T903] do_syscall_64+0xc6/0x1e0 [ 696.874704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.874704][ T903] [ 696.876933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 696.876933][ T903] netdev_get_by_index+0x5e/0x80 [ 696.876933][ T903] fib6_nh_init+0x3d8/0x15b0 [ 696.876933][ T903] ip6_route_info_create+0xf18/0x17d0 [ 696.876933][ T903] ip6_route_add+0x1c/0x140 [ 696.876933][ T903] addrconf_add_mroute+0x129/0x180 [ 696.876933][ T903] addrconf_add_dev+0xe2/0x170 [ 696.876933][ T903] inet6_addr_add+0x12f/0xa40 [ 696.876933][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 696.876933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.876933][ T903] netlink_rcv_skb+0x130/0x360 [ 696.876933][ T903] netlink_unicast+0x449/0x710 [ 696.876933][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.876933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.876933][ T903] ___sys_sendmsg+0xee/0x170 [ 696.876933][ T903] __sys_sendmsg+0xcd/0x170 [ 696.876933][ T903] do_syscall_64+0xc6/0x1e0 [ 696.876933][ T903] [ 696.879138][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 696.879138][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 696.879138][ T903] ipv6_find_idev+0x102/0x170 [ 696.879138][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.879138][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.879138][ T903] netlink_rcv_skb+0x130/0x360 [ 696.879138][ T903] netlink_unicast+0x449/0x710 [ 696.879138][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.879138][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.879138][ T903] ___sys_sendmsg+0xee/0x170 [ 696.879138][ T903] __sys_sendmsg+0xcd/0x170 [ 696.879138][ T903] do_syscall_64+0xc6/0x1e0 [ 696.879138][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.879138][ T903] [ 696.880859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 696.880859][ T903] neigh_parms_alloc+0x1e5/0x510 [ 696.880859][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 696.880859][ T903] ipv6_find_idev+0x102/0x170 [ 696.880859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.880859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.880859][ T903] netlink_rcv_skb+0x130/0x360 [ 696.880859][ T903] netlink_unicast+0x449/0x710 [ 696.880859][ T903] netlink_sendmsg+0x723/0xbe0 [ 696.880859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 696.880859][ T903] ___sys_sendmsg+0xee/0x170 [ 696.880859][ T903] __sys_sendmsg+0xcd/0x170 [ 696.880859][ T903] do_syscall_64+0xc6/0x1e0 [ 696.880859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.880859][ T903] [ 707.125802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 707.126276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 707.126276][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 707.126276][ T903] ip6_validate_gw+0x3eb/0x790 [ 707.126276][ T903] fib6_nh_init+0xa5b/0x15b0 [ 707.126276][ T903] ip6_route_info_create+0xf18/0x17d0 [ 707.126276][ T903] ip6_route_add+0x1c/0x140 [ 707.126276][ T903] inet6_rtm_newroute+0x104/0x110 [ 707.126276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.126276][ T903] netlink_rcv_skb+0x130/0x360 [ 707.126276][ T903] netlink_unicast+0x449/0x710 [ 707.126276][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.126276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.126276][ T903] ___sys_sendmsg+0xee/0x170 [ 707.126276][ T903] __sys_sendmsg+0xcd/0x170 [ 707.126276][ T903] do_syscall_64+0xc6/0x1e0 [ 707.126276][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.126276][ T903] [ 707.128391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 707.128391][ T903] netdev_get_by_index+0x5e/0x80 [ 707.128391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 707.128391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 707.128391][ T903] ip6_route_add+0x1c/0x140 [ 707.128391][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 707.128391][ T903] inet6_addr_add+0x4f8/0xa40 [ 707.128391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 707.128391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.128391][ T903] netlink_rcv_skb+0x130/0x360 [ 707.128391][ T903] netlink_unicast+0x449/0x710 [ 707.128391][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.128391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.128391][ T903] ___sys_sendmsg+0xee/0x170 [ 707.128391][ T903] __sys_sendmsg+0xcd/0x170 [ 707.128391][ T903] do_syscall_64+0xc6/0x1e0 [ 707.128391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.128391][ T903] [ 707.130618][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 707.130618][ T903] netdev_get_by_index+0x5e/0x80 [ 707.130618][ T903] fib6_nh_init+0x3d8/0x15b0 [ 707.130618][ T903] ip6_route_info_create+0xf18/0x17d0 [ 707.130618][ T903] addrconf_f6i_alloc+0x244/0x410 [ 707.130618][ T903] ipv6_add_addr+0x411/0x2000 [ 707.130618][ T903] inet6_addr_add+0x30e/0xa40 [ 707.130618][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 707.130618][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.130618][ T903] netlink_rcv_skb+0x130/0x360 [ 707.130618][ T903] netlink_unicast+0x449/0x710 [ 707.130618][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.130618][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.130618][ T903] ___sys_sendmsg+0xee/0x170 [ 707.130618][ T903] __sys_sendmsg+0xcd/0x170 [ 707.130618][ T903] do_syscall_64+0xc6/0x1e0 [ 707.130618][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.130618][ T903] [ 707.132839][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 707.132839][ T903] netdev_get_by_index+0x5e/0x80 [ 707.132839][ T903] fib6_nh_init+0x3d8/0x15b0 [ 707.132839][ T903] ip6_route_info_create+0xf18/0x17d0 [ 707.132839][ T903] ip6_route_add+0x1c/0x140 [ 707.132839][ T903] addrconf_add_mroute+0x129/0x180 [ 707.132839][ T903] addrconf_add_dev+0xe2/0x170 [ 707.132839][ T903] inet6_addr_add+0x12f/0xa40 [ 707.132839][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 707.132839][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.132839][ T903] netlink_rcv_skb+0x130/0x360 [ 707.132839][ T903] netlink_unicast+0x449/0x710 [ 707.132839][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.132839][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.132839][ T903] ___sys_sendmsg+0xee/0x170 [ 707.132839][ T903] __sys_sendmsg+0xcd/0x170 [ 707.132839][ T903] do_syscall_64+0xc6/0x1e0 [ 707.132839][ T903] [ 707.135019][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 707.135019][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 707.135019][ T903] ipv6_find_idev+0x102/0x170 [ 707.135019][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 707.135019][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.135019][ T903] netlink_rcv_skb+0x130/0x360 [ 707.135019][ T903] netlink_unicast+0x449/0x710 [ 707.135019][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.135019][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.135019][ T903] ___sys_sendmsg+0xee/0x170 [ 707.135019][ T903] __sys_sendmsg+0xcd/0x170 [ 707.135019][ T903] do_syscall_64+0xc6/0x1e0 [ 707.135019][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.135019][ T903] [ 707.136738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 707.136738][ T903] neigh_parms_alloc+0x1e5/0x510 [ 707.136738][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 707.136738][ T903] ipv6_find_idev+0x102/0x170 [ 707.136738][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 707.136738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 707.136738][ T903] netlink_rcv_skb+0x130/0x360 [ 707.136738][ T903] netlink_unicast+0x449/0x710 [ 707.136738][ T903] netlink_sendmsg+0x723/0xbe0 [ 707.136738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 707.136738][ T903] ___sys_sendmsg+0xee/0x170 [ 707.136738][ T903] __sys_sendmsg+0xcd/0x170 [ 707.136738][ T903] do_syscall_64+0xc6/0x1e0 [ 707.136738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 707.136738][ T903] [ 717.181848][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 717.182401][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 717.182401][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 717.182401][ T903] ip6_validate_gw+0x3eb/0x790 [ 717.182401][ T903] fib6_nh_init+0xa5b/0x15b0 [ 717.182401][ T903] ip6_route_info_create+0xf18/0x17d0 [ 717.182401][ T903] ip6_route_add+0x1c/0x140 [ 717.182401][ T903] inet6_rtm_newroute+0x104/0x110 [ 717.182401][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.182401][ T903] netlink_rcv_skb+0x130/0x360 [ 717.182401][ T903] netlink_unicast+0x449/0x710 [ 717.182401][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.182401][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.182401][ T903] ___sys_sendmsg+0xee/0x170 [ 717.182401][ T903] __sys_sendmsg+0xcd/0x170 [ 717.182401][ T903] do_syscall_64+0xc6/0x1e0 [ 717.182401][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.182401][ T903] [ 717.184773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 717.184773][ T903] netdev_get_by_index+0x5e/0x80 [ 717.184773][ T903] fib6_nh_init+0x3d8/0x15b0 [ 717.184773][ T903] ip6_route_info_create+0xf18/0x17d0 [ 717.184773][ T903] ip6_route_add+0x1c/0x140 [ 717.184773][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 717.184773][ T903] inet6_addr_add+0x4f8/0xa40 [ 717.184773][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 717.184773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.184773][ T903] netlink_rcv_skb+0x130/0x360 [ 717.184773][ T903] netlink_unicast+0x449/0x710 [ 717.184773][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.184773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.184773][ T903] ___sys_sendmsg+0xee/0x170 [ 717.184773][ T903] __sys_sendmsg+0xcd/0x170 [ 717.184773][ T903] do_syscall_64+0xc6/0x1e0 [ 717.184773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.184773][ T903] [ 717.187267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 717.187267][ T903] netdev_get_by_index+0x5e/0x80 [ 717.187267][ T903] fib6_nh_init+0x3d8/0x15b0 [ 717.187267][ T903] ip6_route_info_create+0xf18/0x17d0 [ 717.187267][ T903] addrconf_f6i_alloc+0x244/0x410 [ 717.187267][ T903] ipv6_add_addr+0x411/0x2000 [ 717.187267][ T903] inet6_addr_add+0x30e/0xa40 [ 717.187267][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 717.187267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.187267][ T903] netlink_rcv_skb+0x130/0x360 [ 717.187267][ T903] netlink_unicast+0x449/0x710 [ 717.187267][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.187267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.187267][ T903] ___sys_sendmsg+0xee/0x170 [ 717.187267][ T903] __sys_sendmsg+0xcd/0x170 [ 717.187267][ T903] do_syscall_64+0xc6/0x1e0 [ 717.187267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.187267][ T903] [ 717.189773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 717.189773][ T903] netdev_get_by_index+0x5e/0x80 [ 717.189773][ T903] fib6_nh_init+0x3d8/0x15b0 [ 717.189773][ T903] ip6_route_info_create+0xf18/0x17d0 [ 717.189773][ T903] ip6_route_add+0x1c/0x140 [ 717.189773][ T903] addrconf_add_mroute+0x129/0x180 [ 717.189773][ T903] addrconf_add_dev+0xe2/0x170 [ 717.189773][ T903] inet6_addr_add+0x12f/0xa40 [ 717.189773][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 717.189773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.189773][ T903] netlink_rcv_skb+0x130/0x360 [ 717.189773][ T903] netlink_unicast+0x449/0x710 [ 717.189773][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.189773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.189773][ T903] ___sys_sendmsg+0xee/0x170 [ 717.189773][ T903] __sys_sendmsg+0xcd/0x170 [ 717.189773][ T903] do_syscall_64+0xc6/0x1e0 [ 717.189773][ T903] [ 717.192213][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 717.192213][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 717.192213][ T903] ipv6_find_idev+0x102/0x170 [ 717.192213][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 717.192213][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.192213][ T903] netlink_rcv_skb+0x130/0x360 [ 717.192213][ T903] netlink_unicast+0x449/0x710 [ 717.192213][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.192213][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.192213][ T903] ___sys_sendmsg+0xee/0x170 [ 717.192213][ T903] __sys_sendmsg+0xcd/0x170 [ 717.192213][ T903] do_syscall_64+0xc6/0x1e0 [ 717.192213][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.192213][ T903] [ 717.194123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 717.194123][ T903] neigh_parms_alloc+0x1e5/0x510 [ 717.194123][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 717.194123][ T903] ipv6_find_idev+0x102/0x170 [ 717.194123][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 717.194123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 717.194123][ T903] netlink_rcv_skb+0x130/0x360 [ 717.194123][ T903] netlink_unicast+0x449/0x710 [ 717.194123][ T903] netlink_sendmsg+0x723/0xbe0 [ 717.194123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 717.194123][ T903] ___sys_sendmsg+0xee/0x170 [ 717.194123][ T903] __sys_sendmsg+0xcd/0x170 [ 717.194123][ T903] do_syscall_64+0xc6/0x1e0 [ 717.194123][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 717.194123][ T903] [ 727.445821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 727.446372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 727.446372][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 727.446372][ T903] ip6_validate_gw+0x3eb/0x790 [ 727.446372][ T903] fib6_nh_init+0xa5b/0x15b0 [ 727.446372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 727.446372][ T903] ip6_route_add+0x1c/0x140 [ 727.446372][ T903] inet6_rtm_newroute+0x104/0x110 [ 727.446372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.446372][ T903] netlink_rcv_skb+0x130/0x360 [ 727.446372][ T903] netlink_unicast+0x449/0x710 [ 727.446372][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.446372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.446372][ T903] ___sys_sendmsg+0xee/0x170 [ 727.446372][ T903] __sys_sendmsg+0xcd/0x170 [ 727.446372][ T903] do_syscall_64+0xc6/0x1e0 [ 727.446372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.446372][ T903] [ 727.448755][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 727.448755][ T903] netdev_get_by_index+0x5e/0x80 [ 727.448755][ T903] fib6_nh_init+0x3d8/0x15b0 [ 727.448755][ T903] ip6_route_info_create+0xf18/0x17d0 [ 727.448755][ T903] ip6_route_add+0x1c/0x140 [ 727.448755][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 727.448755][ T903] inet6_addr_add+0x4f8/0xa40 [ 727.448755][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 727.448755][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.448755][ T903] netlink_rcv_skb+0x130/0x360 [ 727.448755][ T903] netlink_unicast+0x449/0x710 [ 727.448755][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.448755][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.448755][ T903] ___sys_sendmsg+0xee/0x170 [ 727.448755][ T903] __sys_sendmsg+0xcd/0x170 [ 727.448755][ T903] do_syscall_64+0xc6/0x1e0 [ 727.448755][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.448755][ T903] [ 727.451620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 727.451620][ T903] netdev_get_by_index+0x5e/0x80 [ 727.451620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 727.451620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 727.451620][ T903] addrconf_f6i_alloc+0x244/0x410 [ 727.451620][ T903] ipv6_add_addr+0x411/0x2000 [ 727.451620][ T903] inet6_addr_add+0x30e/0xa40 [ 727.451620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 727.451620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.451620][ T903] netlink_rcv_skb+0x130/0x360 [ 727.451620][ T903] netlink_unicast+0x449/0x710 [ 727.451620][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.451620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.451620][ T903] ___sys_sendmsg+0xee/0x170 [ 727.451620][ T903] __sys_sendmsg+0xcd/0x170 [ 727.451620][ T903] do_syscall_64+0xc6/0x1e0 [ 727.451620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.451620][ T903] [ 727.454100][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 727.454100][ T903] netdev_get_by_index+0x5e/0x80 [ 727.454100][ T903] fib6_nh_init+0x3d8/0x15b0 [ 727.454100][ T903] ip6_route_info_create+0xf18/0x17d0 [ 727.454100][ T903] ip6_route_add+0x1c/0x140 [ 727.454100][ T903] addrconf_add_mroute+0x129/0x180 [ 727.454100][ T903] addrconf_add_dev+0xe2/0x170 [ 727.454100][ T903] inet6_addr_add+0x12f/0xa40 [ 727.454100][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 727.454100][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.454100][ T903] netlink_rcv_skb+0x130/0x360 [ 727.454100][ T903] netlink_unicast+0x449/0x710 [ 727.454100][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.454100][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.454100][ T903] ___sys_sendmsg+0xee/0x170 [ 727.454100][ T903] __sys_sendmsg+0xcd/0x170 [ 727.454100][ T903] do_syscall_64+0xc6/0x1e0 [ 727.454100][ T903] [ 727.456537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 727.456537][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 727.456537][ T903] ipv6_find_idev+0x102/0x170 [ 727.456537][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.456537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.456537][ T903] netlink_rcv_skb+0x130/0x360 [ 727.456537][ T903] netlink_unicast+0x449/0x710 [ 727.456537][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.456537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.456537][ T903] ___sys_sendmsg+0xee/0x170 [ 727.456537][ T903] __sys_sendmsg+0xcd/0x170 [ 727.456537][ T903] do_syscall_64+0xc6/0x1e0 [ 727.456537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.456537][ T903] [ 727.458463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 727.458463][ T903] neigh_parms_alloc+0x1e5/0x510 [ 727.458463][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 727.458463][ T903] ipv6_find_idev+0x102/0x170 [ 727.458463][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 727.458463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 727.458463][ T903] netlink_rcv_skb+0x130/0x360 [ 727.458463][ T903] netlink_unicast+0x449/0x710 [ 727.458463][ T903] netlink_sendmsg+0x723/0xbe0 [ 727.458463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 727.458463][ T903] ___sys_sendmsg+0xee/0x170 [ 727.458463][ T903] __sys_sendmsg+0xcd/0x170 [ 727.458463][ T903] do_syscall_64+0xc6/0x1e0 [ 727.458463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 727.458463][ T903] [ 737.709819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 737.710302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 737.710302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 737.710302][ T903] ip6_validate_gw+0x3eb/0x790 [ 737.710302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 737.710302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 737.710302][ T903] ip6_route_add+0x1c/0x140 [ 737.710302][ T903] inet6_rtm_newroute+0x104/0x110 [ 737.710302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.710302][ T903] netlink_rcv_skb+0x130/0x360 [ 737.710302][ T903] netlink_unicast+0x449/0x710 [ 737.710302][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.710302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.710302][ T903] ___sys_sendmsg+0xee/0x170 [ 737.710302][ T903] __sys_sendmsg+0xcd/0x170 [ 737.710302][ T903] do_syscall_64+0xc6/0x1e0 [ 737.710302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.710302][ T903] [ 737.712446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 737.712446][ T903] netdev_get_by_index+0x5e/0x80 [ 737.712446][ T903] fib6_nh_init+0x3d8/0x15b0 [ 737.712446][ T903] ip6_route_info_create+0xf18/0x17d0 [ 737.712446][ T903] ip6_route_add+0x1c/0x140 [ 737.712446][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 737.712446][ T903] inet6_addr_add+0x4f8/0xa40 [ 737.712446][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 737.712446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.712446][ T903] netlink_rcv_skb+0x130/0x360 [ 737.712446][ T903] netlink_unicast+0x449/0x710 [ 737.712446][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.712446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.712446][ T903] ___sys_sendmsg+0xee/0x170 [ 737.712446][ T903] __sys_sendmsg+0xcd/0x170 [ 737.712446][ T903] do_syscall_64+0xc6/0x1e0 [ 737.712446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.712446][ T903] [ 737.714660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 737.714660][ T903] netdev_get_by_index+0x5e/0x80 [ 737.714660][ T903] fib6_nh_init+0x3d8/0x15b0 [ 737.714660][ T903] ip6_route_info_create+0xf18/0x17d0 [ 737.714660][ T903] addrconf_f6i_alloc+0x244/0x410 [ 737.714660][ T903] ipv6_add_addr+0x411/0x2000 [ 737.714660][ T903] inet6_addr_add+0x30e/0xa40 [ 737.714660][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 737.714660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.714660][ T903] netlink_rcv_skb+0x130/0x360 [ 737.714660][ T903] netlink_unicast+0x449/0x710 [ 737.714660][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.714660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.714660][ T903] ___sys_sendmsg+0xee/0x170 [ 737.714660][ T903] __sys_sendmsg+0xcd/0x170 [ 737.714660][ T903] do_syscall_64+0xc6/0x1e0 [ 737.714660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.714660][ T903] [ 737.716871][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 737.716871][ T903] netdev_get_by_index+0x5e/0x80 [ 737.716871][ T903] fib6_nh_init+0x3d8/0x15b0 [ 737.716871][ T903] ip6_route_info_create+0xf18/0x17d0 [ 737.716871][ T903] ip6_route_add+0x1c/0x140 [ 737.716871][ T903] addrconf_add_mroute+0x129/0x180 [ 737.716871][ T903] addrconf_add_dev+0xe2/0x170 [ 737.716871][ T903] inet6_addr_add+0x12f/0xa40 [ 737.716871][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 737.716871][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.716871][ T903] netlink_rcv_skb+0x130/0x360 [ 737.716871][ T903] netlink_unicast+0x449/0x710 [ 737.716871][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.716871][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.716871][ T903] ___sys_sendmsg+0xee/0x170 [ 737.716871][ T903] __sys_sendmsg+0xcd/0x170 [ 737.716871][ T903] do_syscall_64+0xc6/0x1e0 [ 737.716871][ T903] [ 737.719072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 737.719072][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 737.719072][ T903] ipv6_find_idev+0x102/0x170 [ 737.719072][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.719072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.719072][ T903] netlink_rcv_skb+0x130/0x360 [ 737.719072][ T903] netlink_unicast+0x449/0x710 [ 737.719072][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.719072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.719072][ T903] ___sys_sendmsg+0xee/0x170 [ 737.719072][ T903] __sys_sendmsg+0xcd/0x170 [ 737.719072][ T903] do_syscall_64+0xc6/0x1e0 [ 737.719072][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.719072][ T903] [ 737.720775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 737.720775][ T903] neigh_parms_alloc+0x1e5/0x510 [ 737.720775][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 737.720775][ T903] ipv6_find_idev+0x102/0x170 [ 737.720775][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 737.720775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 737.720775][ T903] netlink_rcv_skb+0x130/0x360 [ 737.720775][ T903] netlink_unicast+0x449/0x710 [ 737.720775][ T903] netlink_sendmsg+0x723/0xbe0 [ 737.720775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 737.720775][ T903] ___sys_sendmsg+0xee/0x170 [ 737.720775][ T903] __sys_sendmsg+0xcd/0x170 [ 737.720775][ T903] do_syscall_64+0xc6/0x1e0 [ 737.720775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 737.720775][ T903] [ 747.973805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 747.974274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 747.974274][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 747.974274][ T903] ip6_validate_gw+0x3eb/0x790 [ 747.974274][ T903] fib6_nh_init+0xa5b/0x15b0 [ 747.974274][ T903] ip6_route_info_create+0xf18/0x17d0 [ 747.974274][ T903] ip6_route_add+0x1c/0x140 [ 747.974274][ T903] inet6_rtm_newroute+0x104/0x110 [ 747.974274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.974274][ T903] netlink_rcv_skb+0x130/0x360 [ 747.974274][ T903] netlink_unicast+0x449/0x710 [ 747.974274][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.974274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.974274][ T903] ___sys_sendmsg+0xee/0x170 [ 747.974274][ T903] __sys_sendmsg+0xcd/0x170 [ 747.974274][ T903] do_syscall_64+0xc6/0x1e0 [ 747.974274][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.974274][ T903] [ 747.976382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 747.976382][ T903] netdev_get_by_index+0x5e/0x80 [ 747.976382][ T903] fib6_nh_init+0x3d8/0x15b0 [ 747.976382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 747.976382][ T903] ip6_route_add+0x1c/0x140 [ 747.976382][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 747.976382][ T903] inet6_addr_add+0x4f8/0xa40 [ 747.976382][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 747.976382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.976382][ T903] netlink_rcv_skb+0x130/0x360 [ 747.976382][ T903] netlink_unicast+0x449/0x710 [ 747.976382][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.976382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.976382][ T903] ___sys_sendmsg+0xee/0x170 [ 747.976382][ T903] __sys_sendmsg+0xcd/0x170 [ 747.976382][ T903] do_syscall_64+0xc6/0x1e0 [ 747.976382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.976382][ T903] [ 747.978600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 747.978600][ T903] netdev_get_by_index+0x5e/0x80 [ 747.978600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 747.978600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 747.978600][ T903] addrconf_f6i_alloc+0x244/0x410 [ 747.978600][ T903] ipv6_add_addr+0x411/0x2000 [ 747.978600][ T903] inet6_addr_add+0x30e/0xa40 [ 747.978600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 747.978600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.978600][ T903] netlink_rcv_skb+0x130/0x360 [ 747.978600][ T903] netlink_unicast+0x449/0x710 [ 747.978600][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.978600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.978600][ T903] ___sys_sendmsg+0xee/0x170 [ 747.978600][ T903] __sys_sendmsg+0xcd/0x170 [ 747.978600][ T903] do_syscall_64+0xc6/0x1e0 [ 747.978600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.978600][ T903] [ 747.980814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 747.980814][ T903] netdev_get_by_index+0x5e/0x80 [ 747.980814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 747.980814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 747.980814][ T903] ip6_route_add+0x1c/0x140 [ 747.980814][ T903] addrconf_add_mroute+0x129/0x180 [ 747.980814][ T903] addrconf_add_dev+0xe2/0x170 [ 747.980814][ T903] inet6_addr_add+0x12f/0xa40 [ 747.980814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 747.980814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.980814][ T903] netlink_rcv_skb+0x130/0x360 [ 747.980814][ T903] netlink_unicast+0x449/0x710 [ 747.980814][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.980814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.980814][ T903] ___sys_sendmsg+0xee/0x170 [ 747.980814][ T903] __sys_sendmsg+0xcd/0x170 [ 747.980814][ T903] do_syscall_64+0xc6/0x1e0 [ 747.980814][ T903] [ 747.982991][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 747.982991][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 747.982991][ T903] ipv6_find_idev+0x102/0x170 [ 747.982991][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.982991][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.982991][ T903] netlink_rcv_skb+0x130/0x360 [ 747.982991][ T903] netlink_unicast+0x449/0x710 [ 747.982991][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.982991][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.982991][ T903] ___sys_sendmsg+0xee/0x170 [ 747.982991][ T903] __sys_sendmsg+0xcd/0x170 [ 747.982991][ T903] do_syscall_64+0xc6/0x1e0 [ 747.982991][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.982991][ T903] [ 747.984694][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 747.984694][ T903] neigh_parms_alloc+0x1e5/0x510 [ 747.984694][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 747.984694][ T903] ipv6_find_idev+0x102/0x170 [ 747.984694][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 747.984694][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 747.984694][ T903] netlink_rcv_skb+0x130/0x360 [ 747.984694][ T903] netlink_unicast+0x449/0x710 [ 747.984694][ T903] netlink_sendmsg+0x723/0xbe0 [ 747.984694][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 747.984694][ T903] ___sys_sendmsg+0xee/0x170 [ 747.984694][ T903] __sys_sendmsg+0xcd/0x170 [ 747.984694][ T903] do_syscall_64+0xc6/0x1e0 [ 747.984694][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 747.984694][ T903] [ 758.013817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 758.014308][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 758.014308][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 758.014308][ T903] ip6_validate_gw+0x3eb/0x790 [ 758.014308][ T903] fib6_nh_init+0xa5b/0x15b0 [ 758.014308][ T903] ip6_route_info_create+0xf18/0x17d0 [ 758.014308][ T903] ip6_route_add+0x1c/0x140 [ 758.014308][ T903] inet6_rtm_newroute+0x104/0x110 [ 758.014308][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.014308][ T903] netlink_rcv_skb+0x130/0x360 [ 758.014308][ T903] netlink_unicast+0x449/0x710 [ 758.014308][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.014308][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.014308][ T903] ___sys_sendmsg+0xee/0x170 [ 758.014308][ T903] __sys_sendmsg+0xcd/0x170 [ 758.014308][ T903] do_syscall_64+0xc6/0x1e0 [ 758.014308][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.014308][ T903] [ 758.016420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 758.016420][ T903] netdev_get_by_index+0x5e/0x80 [ 758.016420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 758.016420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 758.016420][ T903] ip6_route_add+0x1c/0x140 [ 758.016420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 758.016420][ T903] inet6_addr_add+0x4f8/0xa40 [ 758.016420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 758.016420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.016420][ T903] netlink_rcv_skb+0x130/0x360 [ 758.016420][ T903] netlink_unicast+0x449/0x710 [ 758.016420][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.016420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.016420][ T903] ___sys_sendmsg+0xee/0x170 [ 758.016420][ T903] __sys_sendmsg+0xcd/0x170 [ 758.016420][ T903] do_syscall_64+0xc6/0x1e0 [ 758.016420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.016420][ T903] [ 758.018651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 758.018651][ T903] netdev_get_by_index+0x5e/0x80 [ 758.018651][ T903] fib6_nh_init+0x3d8/0x15b0 [ 758.018651][ T903] ip6_route_info_create+0xf18/0x17d0 [ 758.018651][ T903] addrconf_f6i_alloc+0x244/0x410 [ 758.018651][ T903] ipv6_add_addr+0x411/0x2000 [ 758.018651][ T903] inet6_addr_add+0x30e/0xa40 [ 758.018651][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 758.018651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.018651][ T903] netlink_rcv_skb+0x130/0x360 [ 758.018651][ T903] netlink_unicast+0x449/0x710 [ 758.018651][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.018651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.018651][ T903] ___sys_sendmsg+0xee/0x170 [ 758.018651][ T903] __sys_sendmsg+0xcd/0x170 [ 758.018651][ T903] do_syscall_64+0xc6/0x1e0 [ 758.018651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.018651][ T903] [ 758.020866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 758.020866][ T903] netdev_get_by_index+0x5e/0x80 [ 758.020866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 758.020866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 758.020866][ T903] ip6_route_add+0x1c/0x140 [ 758.020866][ T903] addrconf_add_mroute+0x129/0x180 [ 758.020866][ T903] addrconf_add_dev+0xe2/0x170 [ 758.020866][ T903] inet6_addr_add+0x12f/0xa40 [ 758.020866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 758.020866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.020866][ T903] netlink_rcv_skb+0x130/0x360 [ 758.020866][ T903] netlink_unicast+0x449/0x710 [ 758.020866][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.020866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.020866][ T903] ___sys_sendmsg+0xee/0x170 [ 758.020866][ T903] __sys_sendmsg+0xcd/0x170 [ 758.020866][ T903] do_syscall_64+0xc6/0x1e0 [ 758.020866][ T903] [ 758.023043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 758.023043][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 758.023043][ T903] ipv6_find_idev+0x102/0x170 [ 758.023043][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 758.023043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.023043][ T903] netlink_rcv_skb+0x130/0x360 [ 758.023043][ T903] netlink_unicast+0x449/0x710 [ 758.023043][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.023043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.023043][ T903] ___sys_sendmsg+0xee/0x170 [ 758.023043][ T903] __sys_sendmsg+0xcd/0x170 [ 758.023043][ T903] do_syscall_64+0xc6/0x1e0 [ 758.023043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.023043][ T903] [ 758.024747][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 758.024747][ T903] neigh_parms_alloc+0x1e5/0x510 [ 758.024747][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 758.024747][ T903] ipv6_find_idev+0x102/0x170 [ 758.024747][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 758.024747][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 758.024747][ T903] netlink_rcv_skb+0x130/0x360 [ 758.024747][ T903] netlink_unicast+0x449/0x710 [ 758.024747][ T903] netlink_sendmsg+0x723/0xbe0 [ 758.024747][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 758.024747][ T903] ___sys_sendmsg+0xee/0x170 [ 758.024747][ T903] __sys_sendmsg+0xcd/0x170 [ 758.024747][ T903] do_syscall_64+0xc6/0x1e0 [ 758.024747][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 758.024747][ T903] [ 768.261813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 768.262374][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 768.262374][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 768.262374][ T903] ip6_validate_gw+0x3eb/0x790 [ 768.262374][ T903] fib6_nh_init+0xa5b/0x15b0 [ 768.262374][ T903] ip6_route_info_create+0xf18/0x17d0 [ 768.262374][ T903] ip6_route_add+0x1c/0x140 [ 768.262374][ T903] inet6_rtm_newroute+0x104/0x110 [ 768.262374][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.262374][ T903] netlink_rcv_skb+0x130/0x360 [ 768.262374][ T903] netlink_unicast+0x449/0x710 [ 768.262374][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.262374][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.262374][ T903] ___sys_sendmsg+0xee/0x170 [ 768.262374][ T903] __sys_sendmsg+0xcd/0x170 [ 768.262374][ T903] do_syscall_64+0xc6/0x1e0 [ 768.262374][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.262374][ T903] [ 768.264749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 768.264749][ T903] netdev_get_by_index+0x5e/0x80 [ 768.264749][ T903] fib6_nh_init+0x3d8/0x15b0 [ 768.264749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 768.264749][ T903] ip6_route_add+0x1c/0x140 [ 768.264749][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 768.264749][ T903] inet6_addr_add+0x4f8/0xa40 [ 768.264749][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 768.264749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.264749][ T903] netlink_rcv_skb+0x130/0x360 [ 768.264749][ T903] netlink_unicast+0x449/0x710 [ 768.264749][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.264749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.264749][ T903] ___sys_sendmsg+0xee/0x170 [ 768.264749][ T903] __sys_sendmsg+0xcd/0x170 [ 768.264749][ T903] do_syscall_64+0xc6/0x1e0 [ 768.264749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.264749][ T903] [ 768.267246][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 768.267246][ T903] netdev_get_by_index+0x5e/0x80 [ 768.267246][ T903] fib6_nh_init+0x3d8/0x15b0 [ 768.267246][ T903] ip6_route_info_create+0xf18/0x17d0 [ 768.267246][ T903] addrconf_f6i_alloc+0x244/0x410 [ 768.267246][ T903] ipv6_add_addr+0x411/0x2000 [ 768.267246][ T903] inet6_addr_add+0x30e/0xa40 [ 768.267246][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 768.267246][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.267246][ T903] netlink_rcv_skb+0x130/0x360 [ 768.267246][ T903] netlink_unicast+0x449/0x710 [ 768.267246][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.267246][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.267246][ T903] ___sys_sendmsg+0xee/0x170 [ 768.267246][ T903] __sys_sendmsg+0xcd/0x170 [ 768.267246][ T903] do_syscall_64+0xc6/0x1e0 [ 768.267246][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.267246][ T903] [ 768.269759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 768.269759][ T903] netdev_get_by_index+0x5e/0x80 [ 768.269759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 768.269759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 768.269759][ T903] ip6_route_add+0x1c/0x140 [ 768.269759][ T903] addrconf_add_mroute+0x129/0x180 [ 768.269759][ T903] addrconf_add_dev+0xe2/0x170 [ 768.269759][ T903] inet6_addr_add+0x12f/0xa40 [ 768.269759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 768.269759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.269759][ T903] netlink_rcv_skb+0x130/0x360 [ 768.269759][ T903] netlink_unicast+0x449/0x710 [ 768.269759][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.269759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.269759][ T903] ___sys_sendmsg+0xee/0x170 [ 768.269759][ T903] __sys_sendmsg+0xcd/0x170 [ 768.269759][ T903] do_syscall_64+0xc6/0x1e0 [ 768.269759][ T903] [ 768.272239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 768.272239][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 768.272239][ T903] ipv6_find_idev+0x102/0x170 [ 768.272239][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.272239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.272239][ T903] netlink_rcv_skb+0x130/0x360 [ 768.272239][ T903] netlink_unicast+0x449/0x710 [ 768.272239][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.272239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.272239][ T903] ___sys_sendmsg+0xee/0x170 [ 768.272239][ T903] __sys_sendmsg+0xcd/0x170 [ 768.272239][ T903] do_syscall_64+0xc6/0x1e0 [ 768.272239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.272239][ T903] [ 768.274157][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 768.274157][ T903] neigh_parms_alloc+0x1e5/0x510 [ 768.274157][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 768.274157][ T903] ipv6_find_idev+0x102/0x170 [ 768.274157][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 768.274157][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 768.274157][ T903] netlink_rcv_skb+0x130/0x360 [ 768.274157][ T903] netlink_unicast+0x449/0x710 [ 768.274157][ T903] netlink_sendmsg+0x723/0xbe0 [ 768.274157][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 768.274157][ T903] ___sys_sendmsg+0xee/0x170 [ 768.274157][ T903] __sys_sendmsg+0xcd/0x170 [ 768.274157][ T903] do_syscall_64+0xc6/0x1e0 [ 768.274157][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 768.274157][ T903] [ 778.517938][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 778.518454][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 778.518454][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 778.518454][ T903] ip6_validate_gw+0x3eb/0x790 [ 778.518454][ T903] fib6_nh_init+0xa5b/0x15b0 [ 778.518454][ T903] ip6_route_info_create+0xf18/0x17d0 [ 778.518454][ T903] ip6_route_add+0x1c/0x140 [ 778.518454][ T903] inet6_rtm_newroute+0x104/0x110 [ 778.518454][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.518454][ T903] netlink_rcv_skb+0x130/0x360 [ 778.518454][ T903] netlink_unicast+0x449/0x710 [ 778.518454][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.518454][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.518454][ T903] ___sys_sendmsg+0xee/0x170 [ 778.518454][ T903] __sys_sendmsg+0xcd/0x170 [ 778.518454][ T903] do_syscall_64+0xc6/0x1e0 [ 778.518454][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.518454][ T903] [ 778.520566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 778.520566][ T903] netdev_get_by_index+0x5e/0x80 [ 778.520566][ T903] fib6_nh_init+0x3d8/0x15b0 [ 778.520566][ T903] ip6_route_info_create+0xf18/0x17d0 [ 778.520566][ T903] ip6_route_add+0x1c/0x140 [ 778.520566][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 778.520566][ T903] inet6_addr_add+0x4f8/0xa40 [ 778.520566][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 778.520566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.520566][ T903] netlink_rcv_skb+0x130/0x360 [ 778.520566][ T903] netlink_unicast+0x449/0x710 [ 778.520566][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.520566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.520566][ T903] ___sys_sendmsg+0xee/0x170 [ 778.520566][ T903] __sys_sendmsg+0xcd/0x170 [ 778.520566][ T903] do_syscall_64+0xc6/0x1e0 [ 778.520566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.520566][ T903] [ 778.522780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 778.522780][ T903] netdev_get_by_index+0x5e/0x80 [ 778.522780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 778.522780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 778.522780][ T903] addrconf_f6i_alloc+0x244/0x410 [ 778.522780][ T903] ipv6_add_addr+0x411/0x2000 [ 778.522780][ T903] inet6_addr_add+0x30e/0xa40 [ 778.522780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 778.522780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.522780][ T903] netlink_rcv_skb+0x130/0x360 [ 778.522780][ T903] netlink_unicast+0x449/0x710 [ 778.522780][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.522780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.522780][ T903] ___sys_sendmsg+0xee/0x170 [ 778.522780][ T903] __sys_sendmsg+0xcd/0x170 [ 778.522780][ T903] do_syscall_64+0xc6/0x1e0 [ 778.522780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.522780][ T903] [ 778.524989][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 778.524989][ T903] netdev_get_by_index+0x5e/0x80 [ 778.524989][ T903] fib6_nh_init+0x3d8/0x15b0 [ 778.524989][ T903] ip6_route_info_create+0xf18/0x17d0 [ 778.524989][ T903] ip6_route_add+0x1c/0x140 [ 778.524989][ T903] addrconf_add_mroute+0x129/0x180 [ 778.524989][ T903] addrconf_add_dev+0xe2/0x170 [ 778.524989][ T903] inet6_addr_add+0x12f/0xa40 [ 778.524989][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 778.524989][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.524989][ T903] netlink_rcv_skb+0x130/0x360 [ 778.524989][ T903] netlink_unicast+0x449/0x710 [ 778.524989][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.524989][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.524989][ T903] ___sys_sendmsg+0xee/0x170 [ 778.524989][ T903] __sys_sendmsg+0xcd/0x170 [ 778.524989][ T903] do_syscall_64+0xc6/0x1e0 [ 778.524989][ T903] [ 778.527169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 778.527169][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 778.527169][ T903] ipv6_find_idev+0x102/0x170 [ 778.527169][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.527169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.527169][ T903] netlink_rcv_skb+0x130/0x360 [ 778.527169][ T903] netlink_unicast+0x449/0x710 [ 778.527169][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.527169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.527169][ T903] ___sys_sendmsg+0xee/0x170 [ 778.527169][ T903] __sys_sendmsg+0xcd/0x170 [ 778.527169][ T903] do_syscall_64+0xc6/0x1e0 [ 778.527169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.527169][ T903] [ 778.528878][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 778.528878][ T903] neigh_parms_alloc+0x1e5/0x510 [ 778.528878][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 778.528878][ T903] ipv6_find_idev+0x102/0x170 [ 778.528878][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 778.528878][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 778.528878][ T903] netlink_rcv_skb+0x130/0x360 [ 778.528878][ T903] netlink_unicast+0x449/0x710 [ 778.528878][ T903] netlink_sendmsg+0x723/0xbe0 [ 778.528878][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 778.528878][ T903] ___sys_sendmsg+0xee/0x170 [ 778.528878][ T903] __sys_sendmsg+0xcd/0x170 [ 778.528878][ T903] do_syscall_64+0xc6/0x1e0 [ 778.528878][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 778.528878][ T903] [ 788.589829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 788.590299][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 788.590299][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 788.590299][ T903] ip6_validate_gw+0x3eb/0x790 [ 788.590299][ T903] fib6_nh_init+0xa5b/0x15b0 [ 788.590299][ T903] ip6_route_info_create+0xf18/0x17d0 [ 788.590299][ T903] ip6_route_add+0x1c/0x140 [ 788.590299][ T903] inet6_rtm_newroute+0x104/0x110 [ 788.590299][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.590299][ T903] netlink_rcv_skb+0x130/0x360 [ 788.590299][ T903] netlink_unicast+0x449/0x710 [ 788.590299][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.590299][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.590299][ T903] ___sys_sendmsg+0xee/0x170 [ 788.590299][ T903] __sys_sendmsg+0xcd/0x170 [ 788.590299][ T903] do_syscall_64+0xc6/0x1e0 [ 788.590299][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.590299][ T903] [ 788.592406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 788.592406][ T903] netdev_get_by_index+0x5e/0x80 [ 788.592406][ T903] fib6_nh_init+0x3d8/0x15b0 [ 788.592406][ T903] ip6_route_info_create+0xf18/0x17d0 [ 788.592406][ T903] ip6_route_add+0x1c/0x140 [ 788.592406][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 788.592406][ T903] inet6_addr_add+0x4f8/0xa40 [ 788.592406][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 788.592406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.592406][ T903] netlink_rcv_skb+0x130/0x360 [ 788.592406][ T903] netlink_unicast+0x449/0x710 [ 788.592406][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.592406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.592406][ T903] ___sys_sendmsg+0xee/0x170 [ 788.592406][ T903] __sys_sendmsg+0xcd/0x170 [ 788.592406][ T903] do_syscall_64+0xc6/0x1e0 [ 788.592406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.592406][ T903] [ 788.594621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 788.594621][ T903] netdev_get_by_index+0x5e/0x80 [ 788.594621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 788.594621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 788.594621][ T903] addrconf_f6i_alloc+0x244/0x410 [ 788.594621][ T903] ipv6_add_addr+0x411/0x2000 [ 788.594621][ T903] inet6_addr_add+0x30e/0xa40 [ 788.594621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 788.594621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.594621][ T903] netlink_rcv_skb+0x130/0x360 [ 788.594621][ T903] netlink_unicast+0x449/0x710 [ 788.594621][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.594621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.594621][ T903] ___sys_sendmsg+0xee/0x170 [ 788.594621][ T903] __sys_sendmsg+0xcd/0x170 [ 788.594621][ T903] do_syscall_64+0xc6/0x1e0 [ 788.594621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.594621][ T903] [ 788.596847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 788.596847][ T903] netdev_get_by_index+0x5e/0x80 [ 788.596847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 788.596847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 788.596847][ T903] ip6_route_add+0x1c/0x140 [ 788.596847][ T903] addrconf_add_mroute+0x129/0x180 [ 788.596847][ T903] addrconf_add_dev+0xe2/0x170 [ 788.596847][ T903] inet6_addr_add+0x12f/0xa40 [ 788.596847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 788.596847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.596847][ T903] netlink_rcv_skb+0x130/0x360 [ 788.596847][ T903] netlink_unicast+0x449/0x710 [ 788.596847][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.596847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.596847][ T903] ___sys_sendmsg+0xee/0x170 [ 788.596847][ T903] __sys_sendmsg+0xcd/0x170 [ 788.596847][ T903] do_syscall_64+0xc6/0x1e0 [ 788.596847][ T903] [ 788.599031][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 788.599031][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 788.599031][ T903] ipv6_find_idev+0x102/0x170 [ 788.599031][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.599031][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.599031][ T903] netlink_rcv_skb+0x130/0x360 [ 788.599031][ T903] netlink_unicast+0x449/0x710 [ 788.599031][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.599031][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.599031][ T903] ___sys_sendmsg+0xee/0x170 [ 788.599031][ T903] __sys_sendmsg+0xcd/0x170 [ 788.599031][ T903] do_syscall_64+0xc6/0x1e0 [ 788.599031][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.599031][ T903] [ 788.600739][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 788.600739][ T903] neigh_parms_alloc+0x1e5/0x510 [ 788.600739][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 788.600739][ T903] ipv6_find_idev+0x102/0x170 [ 788.600739][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 788.600739][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 788.600739][ T903] netlink_rcv_skb+0x130/0x360 [ 788.600739][ T903] netlink_unicast+0x449/0x710 [ 788.600739][ T903] netlink_sendmsg+0x723/0xbe0 [ 788.600739][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 788.600739][ T903] ___sys_sendmsg+0xee/0x170 [ 788.600739][ T903] __sys_sendmsg+0xcd/0x170 [ 788.600739][ T903] do_syscall_64+0xc6/0x1e0 [ 788.600739][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 788.600739][ T903] [ 798.837864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 798.838432][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 798.838432][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 798.838432][ T903] ip6_validate_gw+0x3eb/0x790 [ 798.838432][ T903] fib6_nh_init+0xa5b/0x15b0 [ 798.838432][ T903] ip6_route_info_create+0xf18/0x17d0 [ 798.838432][ T903] ip6_route_add+0x1c/0x140 [ 798.838432][ T903] inet6_rtm_newroute+0x104/0x110 [ 798.838432][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.838432][ T903] netlink_rcv_skb+0x130/0x360 [ 798.838432][ T903] netlink_unicast+0x449/0x710 [ 798.838432][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.838432][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.838432][ T903] ___sys_sendmsg+0xee/0x170 [ 798.838432][ T903] __sys_sendmsg+0xcd/0x170 [ 798.838432][ T903] do_syscall_64+0xc6/0x1e0 [ 798.838432][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.838432][ T903] [ 798.840819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 798.840819][ T903] netdev_get_by_index+0x5e/0x80 [ 798.840819][ T903] fib6_nh_init+0x3d8/0x15b0 [ 798.840819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 798.840819][ T903] ip6_route_add+0x1c/0x140 [ 798.840819][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 798.840819][ T903] inet6_addr_add+0x4f8/0xa40 [ 798.840819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 798.840819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.840819][ T903] netlink_rcv_skb+0x130/0x360 [ 798.840819][ T903] netlink_unicast+0x449/0x710 [ 798.840819][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.840819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.840819][ T903] ___sys_sendmsg+0xee/0x170 [ 798.840819][ T903] __sys_sendmsg+0xcd/0x170 [ 798.840819][ T903] do_syscall_64+0xc6/0x1e0 [ 798.840819][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.840819][ T903] [ 798.843329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 798.843329][ T903] netdev_get_by_index+0x5e/0x80 [ 798.843329][ T903] fib6_nh_init+0x3d8/0x15b0 [ 798.843329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 798.843329][ T903] addrconf_f6i_alloc+0x244/0x410 [ 798.843329][ T903] ipv6_add_addr+0x411/0x2000 [ 798.843329][ T903] inet6_addr_add+0x30e/0xa40 [ 798.843329][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 798.843329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.843329][ T903] netlink_rcv_skb+0x130/0x360 [ 798.843329][ T903] netlink_unicast+0x449/0x710 [ 798.843329][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.843329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.843329][ T903] ___sys_sendmsg+0xee/0x170 [ 798.843329][ T903] __sys_sendmsg+0xcd/0x170 [ 798.843329][ T903] do_syscall_64+0xc6/0x1e0 [ 798.843329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.843329][ T903] [ 798.845798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 798.845798][ T903] netdev_get_by_index+0x5e/0x80 [ 798.845798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 798.845798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 798.845798][ T903] ip6_route_add+0x1c/0x140 [ 798.845798][ T903] addrconf_add_mroute+0x129/0x180 [ 798.845798][ T903] addrconf_add_dev+0xe2/0x170 [ 798.845798][ T903] inet6_addr_add+0x12f/0xa40 [ 798.845798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 798.845798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.845798][ T903] netlink_rcv_skb+0x130/0x360 [ 798.845798][ T903] netlink_unicast+0x449/0x710 [ 798.845798][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.845798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.845798][ T903] ___sys_sendmsg+0xee/0x170 [ 798.845798][ T903] __sys_sendmsg+0xcd/0x170 [ 798.845798][ T903] do_syscall_64+0xc6/0x1e0 [ 798.845798][ T903] [ 798.848246][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 798.848246][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 798.848246][ T903] ipv6_find_idev+0x102/0x170 [ 798.848246][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.848246][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.848246][ T903] netlink_rcv_skb+0x130/0x360 [ 798.848246][ T903] netlink_unicast+0x449/0x710 [ 798.848246][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.848246][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.848246][ T903] ___sys_sendmsg+0xee/0x170 [ 798.848246][ T903] __sys_sendmsg+0xcd/0x170 [ 798.848246][ T903] do_syscall_64+0xc6/0x1e0 [ 798.848246][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.848246][ T903] [ 798.850163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 798.850163][ T903] neigh_parms_alloc+0x1e5/0x510 [ 798.850163][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 798.850163][ T903] ipv6_find_idev+0x102/0x170 [ 798.850163][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.850163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.850163][ T903] netlink_rcv_skb+0x130/0x360 [ 798.850163][ T903] netlink_unicast+0x449/0x710 [ 798.850163][ T903] netlink_sendmsg+0x723/0xbe0 [ 798.850163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 798.850163][ T903] ___sys_sendmsg+0xee/0x170 [ 798.850163][ T903] __sys_sendmsg+0xcd/0x170 [ 798.850163][ T903] do_syscall_64+0xc6/0x1e0 [ 798.850163][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.850163][ T903] [ 809.093835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 809.094452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 809.094452][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 809.094452][ T903] ip6_validate_gw+0x3eb/0x790 [ 809.094452][ T903] fib6_nh_init+0xa5b/0x15b0 [ 809.094452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 809.094452][ T903] ip6_route_add+0x1c/0x140 [ 809.094452][ T903] inet6_rtm_newroute+0x104/0x110 [ 809.094452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.094452][ T903] netlink_rcv_skb+0x130/0x360 [ 809.094452][ T903] netlink_unicast+0x449/0x710 [ 809.094452][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.094452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.094452][ T903] ___sys_sendmsg+0xee/0x170 [ 809.094452][ T903] __sys_sendmsg+0xcd/0x170 [ 809.094452][ T903] do_syscall_64+0xc6/0x1e0 [ 809.094452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.094452][ T903] [ 809.096843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 809.096843][ T903] netdev_get_by_index+0x5e/0x80 [ 809.096843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 809.096843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 809.096843][ T903] ip6_route_add+0x1c/0x140 [ 809.096843][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 809.096843][ T903] inet6_addr_add+0x4f8/0xa40 [ 809.096843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 809.096843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.096843][ T903] netlink_rcv_skb+0x130/0x360 [ 809.096843][ T903] netlink_unicast+0x449/0x710 [ 809.096843][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.096843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.096843][ T903] ___sys_sendmsg+0xee/0x170 [ 809.096843][ T903] __sys_sendmsg+0xcd/0x170 [ 809.096843][ T903] do_syscall_64+0xc6/0x1e0 [ 809.096843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.096843][ T903] [ 809.099348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 809.099348][ T903] netdev_get_by_index+0x5e/0x80 [ 809.099348][ T903] fib6_nh_init+0x3d8/0x15b0 [ 809.099348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 809.099348][ T903] addrconf_f6i_alloc+0x244/0x410 [ 809.099348][ T903] ipv6_add_addr+0x411/0x2000 [ 809.099348][ T903] inet6_addr_add+0x30e/0xa40 [ 809.099348][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 809.099348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.099348][ T903] netlink_rcv_skb+0x130/0x360 [ 809.099348][ T903] netlink_unicast+0x449/0x710 [ 809.099348][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.099348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.099348][ T903] ___sys_sendmsg+0xee/0x170 [ 809.099348][ T903] __sys_sendmsg+0xcd/0x170 [ 809.099348][ T903] do_syscall_64+0xc6/0x1e0 [ 809.099348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.099348][ T903] [ 809.101852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 809.101852][ T903] netdev_get_by_index+0x5e/0x80 [ 809.101852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 809.101852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 809.101852][ T903] ip6_route_add+0x1c/0x140 [ 809.101852][ T903] addrconf_add_mroute+0x129/0x180 [ 809.101852][ T903] addrconf_add_dev+0xe2/0x170 [ 809.101852][ T903] inet6_addr_add+0x12f/0xa40 [ 809.101852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 809.101852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.101852][ T903] netlink_rcv_skb+0x130/0x360 [ 809.101852][ T903] netlink_unicast+0x449/0x710 [ 809.101852][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.101852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.101852][ T903] ___sys_sendmsg+0xee/0x170 [ 809.101852][ T903] __sys_sendmsg+0xcd/0x170 [ 809.101852][ T903] do_syscall_64+0xc6/0x1e0 [ 809.101852][ T903] [ 809.104284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 809.104284][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 809.104284][ T903] ipv6_find_idev+0x102/0x170 [ 809.104284][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.104284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.104284][ T903] netlink_rcv_skb+0x130/0x360 [ 809.104284][ T903] netlink_unicast+0x449/0x710 [ 809.104284][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.104284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.104284][ T903] ___sys_sendmsg+0xee/0x170 [ 809.104284][ T903] __sys_sendmsg+0xcd/0x170 [ 809.104284][ T903] do_syscall_64+0xc6/0x1e0 [ 809.104284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.104284][ T903] [ 809.106205][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 809.106205][ T903] neigh_parms_alloc+0x1e5/0x510 [ 809.106205][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 809.106205][ T903] ipv6_find_idev+0x102/0x170 [ 809.106205][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.106205][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.106205][ T903] netlink_rcv_skb+0x130/0x360 [ 809.106205][ T903] netlink_unicast+0x449/0x710 [ 809.106205][ T903] netlink_sendmsg+0x723/0xbe0 [ 809.106205][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 809.106205][ T903] ___sys_sendmsg+0xee/0x170 [ 809.106205][ T903] __sys_sendmsg+0xcd/0x170 [ 809.106205][ T903] do_syscall_64+0xc6/0x1e0 [ 809.106205][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.106205][ T903] [ 819.349850][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 819.350409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 819.350409][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 819.350409][ T903] ip6_validate_gw+0x3eb/0x790 [ 819.350409][ T903] fib6_nh_init+0xa5b/0x15b0 [ 819.350409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 819.350409][ T903] ip6_route_add+0x1c/0x140 [ 819.350409][ T903] inet6_rtm_newroute+0x104/0x110 [ 819.350409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.350409][ T903] netlink_rcv_skb+0x130/0x360 [ 819.350409][ T903] netlink_unicast+0x449/0x710 [ 819.350409][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.350409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.350409][ T903] ___sys_sendmsg+0xee/0x170 [ 819.350409][ T903] __sys_sendmsg+0xcd/0x170 [ 819.350409][ T903] do_syscall_64+0xc6/0x1e0 [ 819.350409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.350409][ T903] [ 819.352795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 819.352795][ T903] netdev_get_by_index+0x5e/0x80 [ 819.352795][ T903] fib6_nh_init+0x3d8/0x15b0 [ 819.352795][ T903] ip6_route_info_create+0xf18/0x17d0 [ 819.352795][ T903] ip6_route_add+0x1c/0x140 [ 819.352795][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 819.352795][ T903] inet6_addr_add+0x4f8/0xa40 [ 819.352795][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 819.352795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.352795][ T903] netlink_rcv_skb+0x130/0x360 [ 819.352795][ T903] netlink_unicast+0x449/0x710 [ 819.352795][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.352795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.352795][ T903] ___sys_sendmsg+0xee/0x170 [ 819.352795][ T903] __sys_sendmsg+0xcd/0x170 [ 819.352795][ T903] do_syscall_64+0xc6/0x1e0 [ 819.352795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.352795][ T903] [ 819.355280][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 819.355280][ T903] netdev_get_by_index+0x5e/0x80 [ 819.355280][ T903] fib6_nh_init+0x3d8/0x15b0 [ 819.355280][ T903] ip6_route_info_create+0xf18/0x17d0 [ 819.355280][ T903] addrconf_f6i_alloc+0x244/0x410 [ 819.355280][ T903] ipv6_add_addr+0x411/0x2000 [ 819.355280][ T903] inet6_addr_add+0x30e/0xa40 [ 819.355280][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 819.355280][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.355280][ T903] netlink_rcv_skb+0x130/0x360 [ 819.355280][ T903] netlink_unicast+0x449/0x710 [ 819.355280][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.355280][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.355280][ T903] ___sys_sendmsg+0xee/0x170 [ 819.355280][ T903] __sys_sendmsg+0xcd/0x170 [ 819.355280][ T903] do_syscall_64+0xc6/0x1e0 [ 819.355280][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.355280][ T903] [ 819.357848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 819.357848][ T903] netdev_get_by_index+0x5e/0x80 [ 819.357848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 819.357848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 819.357848][ T903] ip6_route_add+0x1c/0x140 [ 819.357848][ T903] addrconf_add_mroute+0x129/0x180 [ 819.357848][ T903] addrconf_add_dev+0xe2/0x170 [ 819.357848][ T903] inet6_addr_add+0x12f/0xa40 [ 819.357848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 819.357848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.357848][ T903] netlink_rcv_skb+0x130/0x360 [ 819.357848][ T903] netlink_unicast+0x449/0x710 [ 819.357848][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.357848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.357848][ T903] ___sys_sendmsg+0xee/0x170 [ 819.357848][ T903] __sys_sendmsg+0xcd/0x170 [ 819.357848][ T903] do_syscall_64+0xc6/0x1e0 [ 819.357848][ T903] [ 819.360292][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 819.360292][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 819.360292][ T903] ipv6_find_idev+0x102/0x170 [ 819.360292][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.360292][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.360292][ T903] netlink_rcv_skb+0x130/0x360 [ 819.360292][ T903] netlink_unicast+0x449/0x710 [ 819.360292][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.360292][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.360292][ T903] ___sys_sendmsg+0xee/0x170 [ 819.360292][ T903] __sys_sendmsg+0xcd/0x170 [ 819.360292][ T903] do_syscall_64+0xc6/0x1e0 [ 819.360292][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.360292][ T903] [ 819.362204][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 819.362204][ T903] neigh_parms_alloc+0x1e5/0x510 [ 819.362204][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 819.362204][ T903] ipv6_find_idev+0x102/0x170 [ 819.362204][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 819.362204][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 819.362204][ T903] netlink_rcv_skb+0x130/0x360 [ 819.362204][ T903] netlink_unicast+0x449/0x710 [ 819.362204][ T903] netlink_sendmsg+0x723/0xbe0 [ 819.362204][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 819.362204][ T903] ___sys_sendmsg+0xee/0x170 [ 819.362204][ T903] __sys_sendmsg+0xcd/0x170 [ 819.362204][ T903] do_syscall_64+0xc6/0x1e0 [ 819.362204][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 819.362204][ T903] [ 829.605829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 829.606375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 829.606375][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 829.606375][ T903] ip6_validate_gw+0x3eb/0x790 [ 829.606375][ T903] fib6_nh_init+0xa5b/0x15b0 [ 829.606375][ T903] ip6_route_info_create+0xf18/0x17d0 [ 829.606375][ T903] ip6_route_add+0x1c/0x140 [ 829.606375][ T903] inet6_rtm_newroute+0x104/0x110 [ 829.606375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.606375][ T903] netlink_rcv_skb+0x130/0x360 [ 829.606375][ T903] netlink_unicast+0x449/0x710 [ 829.606375][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.606375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.606375][ T903] ___sys_sendmsg+0xee/0x170 [ 829.606375][ T903] __sys_sendmsg+0xcd/0x170 [ 829.606375][ T903] do_syscall_64+0xc6/0x1e0 [ 829.606375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.606375][ T903] [ 829.608782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 829.608782][ T903] netdev_get_by_index+0x5e/0x80 [ 829.608782][ T903] fib6_nh_init+0x3d8/0x15b0 [ 829.608782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 829.608782][ T903] ip6_route_add+0x1c/0x140 [ 829.608782][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 829.608782][ T903] inet6_addr_add+0x4f8/0xa40 [ 829.608782][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 829.608782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.608782][ T903] netlink_rcv_skb+0x130/0x360 [ 829.608782][ T903] netlink_unicast+0x449/0x710 [ 829.608782][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.608782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.608782][ T903] ___sys_sendmsg+0xee/0x170 [ 829.608782][ T903] __sys_sendmsg+0xcd/0x170 [ 829.608782][ T903] do_syscall_64+0xc6/0x1e0 [ 829.608782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.608782][ T903] [ 829.611290][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 829.611290][ T903] netdev_get_by_index+0x5e/0x80 [ 829.611290][ T903] fib6_nh_init+0x3d8/0x15b0 [ 829.611290][ T903] ip6_route_info_create+0xf18/0x17d0 [ 829.611290][ T903] addrconf_f6i_alloc+0x244/0x410 [ 829.611290][ T903] ipv6_add_addr+0x411/0x2000 [ 829.611290][ T903] inet6_addr_add+0x30e/0xa40 [ 829.611290][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 829.611290][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.611290][ T903] netlink_rcv_skb+0x130/0x360 [ 829.611290][ T903] netlink_unicast+0x449/0x710 [ 829.611290][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.611290][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.611290][ T903] ___sys_sendmsg+0xee/0x170 [ 829.611290][ T903] __sys_sendmsg+0xcd/0x170 [ 829.611290][ T903] do_syscall_64+0xc6/0x1e0 [ 829.611290][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.611290][ T903] [ 829.613782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 829.613782][ T903] netdev_get_by_index+0x5e/0x80 [ 829.613782][ T903] fib6_nh_init+0x3d8/0x15b0 [ 829.613782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 829.613782][ T903] ip6_route_add+0x1c/0x140 [ 829.613782][ T903] addrconf_add_mroute+0x129/0x180 [ 829.613782][ T903] addrconf_add_dev+0xe2/0x170 [ 829.613782][ T903] inet6_addr_add+0x12f/0xa40 [ 829.613782][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 829.613782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.613782][ T903] netlink_rcv_skb+0x130/0x360 [ 829.613782][ T903] netlink_unicast+0x449/0x710 [ 829.613782][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.613782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.613782][ T903] ___sys_sendmsg+0xee/0x170 [ 829.613782][ T903] __sys_sendmsg+0xcd/0x170 [ 829.613782][ T903] do_syscall_64+0xc6/0x1e0 [ 829.613782][ T903] [ 829.616238][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 829.616238][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 829.616238][ T903] ipv6_find_idev+0x102/0x170 [ 829.616238][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.616238][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.616238][ T903] netlink_rcv_skb+0x130/0x360 [ 829.616238][ T903] netlink_unicast+0x449/0x710 [ 829.616238][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.616238][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.616238][ T903] ___sys_sendmsg+0xee/0x170 [ 829.616238][ T903] __sys_sendmsg+0xcd/0x170 [ 829.616238][ T903] do_syscall_64+0xc6/0x1e0 [ 829.616238][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.616238][ T903] [ 829.618160][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 829.618160][ T903] neigh_parms_alloc+0x1e5/0x510 [ 829.618160][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 829.618160][ T903] ipv6_find_idev+0x102/0x170 [ 829.618160][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 829.618160][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 829.618160][ T903] netlink_rcv_skb+0x130/0x360 [ 829.618160][ T903] netlink_unicast+0x449/0x710 [ 829.618160][ T903] netlink_sendmsg+0x723/0xbe0 [ 829.618160][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 829.618160][ T903] ___sys_sendmsg+0xee/0x170 [ 829.618160][ T903] __sys_sendmsg+0xcd/0x170 [ 829.618160][ T903] do_syscall_64+0xc6/0x1e0 [ 829.618160][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 829.618160][ T903] [ 839.861836][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 839.862385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 839.862385][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 839.862385][ T903] ip6_validate_gw+0x3eb/0x790 [ 839.862385][ T903] fib6_nh_init+0xa5b/0x15b0 [ 839.862385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 839.862385][ T903] ip6_route_add+0x1c/0x140 [ 839.862385][ T903] inet6_rtm_newroute+0x104/0x110 [ 839.862385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.862385][ T903] netlink_rcv_skb+0x130/0x360 [ 839.862385][ T903] netlink_unicast+0x449/0x710 [ 839.862385][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.862385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.862385][ T903] ___sys_sendmsg+0xee/0x170 [ 839.862385][ T903] __sys_sendmsg+0xcd/0x170 [ 839.862385][ T903] do_syscall_64+0xc6/0x1e0 [ 839.862385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.862385][ T903] [ 839.864752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 839.864752][ T903] netdev_get_by_index+0x5e/0x80 [ 839.864752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 839.864752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 839.864752][ T903] ip6_route_add+0x1c/0x140 [ 839.864752][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 839.864752][ T903] inet6_addr_add+0x4f8/0xa40 [ 839.864752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 839.864752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.864752][ T903] netlink_rcv_skb+0x130/0x360 [ 839.864752][ T903] netlink_unicast+0x449/0x710 [ 839.864752][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.864752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.864752][ T903] ___sys_sendmsg+0xee/0x170 [ 839.864752][ T903] __sys_sendmsg+0xcd/0x170 [ 839.864752][ T903] do_syscall_64+0xc6/0x1e0 [ 839.864752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.864752][ T903] [ 839.867256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 839.867256][ T903] netdev_get_by_index+0x5e/0x80 [ 839.867256][ T903] fib6_nh_init+0x3d8/0x15b0 [ 839.867256][ T903] ip6_route_info_create+0xf18/0x17d0 [ 839.867256][ T903] addrconf_f6i_alloc+0x244/0x410 [ 839.867256][ T903] ipv6_add_addr+0x411/0x2000 [ 839.867256][ T903] inet6_addr_add+0x30e/0xa40 [ 839.867256][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 839.867256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.867256][ T903] netlink_rcv_skb+0x130/0x360 [ 839.867256][ T903] netlink_unicast+0x449/0x710 [ 839.867256][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.867256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.867256][ T903] ___sys_sendmsg+0xee/0x170 [ 839.867256][ T903] __sys_sendmsg+0xcd/0x170 [ 839.867256][ T903] do_syscall_64+0xc6/0x1e0 [ 839.867256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.867256][ T903] [ 839.869745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 839.869745][ T903] netdev_get_by_index+0x5e/0x80 [ 839.869745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 839.869745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 839.869745][ T903] ip6_route_add+0x1c/0x140 [ 839.869745][ T903] addrconf_add_mroute+0x129/0x180 [ 839.869745][ T903] addrconf_add_dev+0xe2/0x170 [ 839.869745][ T903] inet6_addr_add+0x12f/0xa40 [ 839.869745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 839.869745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.869745][ T903] netlink_rcv_skb+0x130/0x360 [ 839.869745][ T903] netlink_unicast+0x449/0x710 [ 839.869745][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.869745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.869745][ T903] ___sys_sendmsg+0xee/0x170 [ 839.869745][ T903] __sys_sendmsg+0xcd/0x170 [ 839.869745][ T903] do_syscall_64+0xc6/0x1e0 [ 839.869745][ T903] [ 839.872210][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 839.872210][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 839.872210][ T903] ipv6_find_idev+0x102/0x170 [ 839.872210][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.872210][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.872210][ T903] netlink_rcv_skb+0x130/0x360 [ 839.872210][ T903] netlink_unicast+0x449/0x710 [ 839.872210][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.872210][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.872210][ T903] ___sys_sendmsg+0xee/0x170 [ 839.872210][ T903] __sys_sendmsg+0xcd/0x170 [ 839.872210][ T903] do_syscall_64+0xc6/0x1e0 [ 839.872210][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.872210][ T903] [ 839.874108][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 839.874108][ T903] neigh_parms_alloc+0x1e5/0x510 [ 839.874108][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 839.874108][ T903] ipv6_find_idev+0x102/0x170 [ 839.874108][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.874108][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.874108][ T903] netlink_rcv_skb+0x130/0x360 [ 839.874108][ T903] netlink_unicast+0x449/0x710 [ 839.874108][ T903] netlink_sendmsg+0x723/0xbe0 [ 839.874108][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 839.874108][ T903] ___sys_sendmsg+0xee/0x170 [ 839.874108][ T903] __sys_sendmsg+0xcd/0x170 [ 839.874108][ T903] do_syscall_64+0xc6/0x1e0 [ 839.874108][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.874108][ T903] [ 850.117957][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 850.118641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 850.118641][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 850.118641][ T903] ip6_validate_gw+0x3eb/0x790 [ 850.118641][ T903] fib6_nh_init+0xa5b/0x15b0 [ 850.118641][ T903] ip6_route_info_create+0xf18/0x17d0 [ 850.118641][ T903] ip6_route_add+0x1c/0x140 [ 850.118641][ T903] inet6_rtm_newroute+0x104/0x110 [ 850.118641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.118641][ T903] netlink_rcv_skb+0x130/0x360 [ 850.118641][ T903] netlink_unicast+0x449/0x710 [ 850.118641][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.118641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.118641][ T903] ___sys_sendmsg+0xee/0x170 [ 850.118641][ T903] __sys_sendmsg+0xcd/0x170 [ 850.118641][ T903] do_syscall_64+0xc6/0x1e0 [ 850.118641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.118641][ T903] [ 850.120811][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 850.120811][ T903] netdev_get_by_index+0x5e/0x80 [ 850.120811][ T903] fib6_nh_init+0x3d8/0x15b0 [ 850.120811][ T903] ip6_route_info_create+0xf18/0x17d0 [ 850.120811][ T903] ip6_route_add+0x1c/0x140 [ 850.120811][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 850.120811][ T903] inet6_addr_add+0x4f8/0xa40 [ 850.120811][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 850.120811][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.120811][ T903] netlink_rcv_skb+0x130/0x360 [ 850.120811][ T903] netlink_unicast+0x449/0x710 [ 850.120811][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.120811][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.120811][ T903] ___sys_sendmsg+0xee/0x170 [ 850.120811][ T903] __sys_sendmsg+0xcd/0x170 [ 850.120811][ T903] do_syscall_64+0xc6/0x1e0 [ 850.120811][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.120811][ T903] [ 850.123055][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 850.123055][ T903] netdev_get_by_index+0x5e/0x80 [ 850.123055][ T903] fib6_nh_init+0x3d8/0x15b0 [ 850.123055][ T903] ip6_route_info_create+0xf18/0x17d0 [ 850.123055][ T903] addrconf_f6i_alloc+0x244/0x410 [ 850.123055][ T903] ipv6_add_addr+0x411/0x2000 [ 850.123055][ T903] inet6_addr_add+0x30e/0xa40 [ 850.123055][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 850.123055][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.123055][ T903] netlink_rcv_skb+0x130/0x360 [ 850.123055][ T903] netlink_unicast+0x449/0x710 [ 850.123055][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.123055][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.123055][ T903] ___sys_sendmsg+0xee/0x170 [ 850.123055][ T903] __sys_sendmsg+0xcd/0x170 [ 850.123055][ T903] do_syscall_64+0xc6/0x1e0 [ 850.123055][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.123055][ T903] [ 850.125327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 850.125327][ T903] netdev_get_by_index+0x5e/0x80 [ 850.125327][ T903] fib6_nh_init+0x3d8/0x15b0 [ 850.125327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 850.125327][ T903] ip6_route_add+0x1c/0x140 [ 850.125327][ T903] addrconf_add_mroute+0x129/0x180 [ 850.125327][ T903] addrconf_add_dev+0xe2/0x170 [ 850.125327][ T903] inet6_addr_add+0x12f/0xa40 [ 850.125327][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 850.125327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.125327][ T903] netlink_rcv_skb+0x130/0x360 [ 850.125327][ T903] netlink_unicast+0x449/0x710 [ 850.125327][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.125327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.125327][ T903] ___sys_sendmsg+0xee/0x170 [ 850.125327][ T903] __sys_sendmsg+0xcd/0x170 [ 850.125327][ T903] do_syscall_64+0xc6/0x1e0 [ 850.125327][ T903] [ 850.127536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 850.127536][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 850.127536][ T903] ipv6_find_idev+0x102/0x170 [ 850.127536][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.127536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.127536][ T903] netlink_rcv_skb+0x130/0x360 [ 850.127536][ T903] netlink_unicast+0x449/0x710 [ 850.127536][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.127536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.127536][ T903] ___sys_sendmsg+0xee/0x170 [ 850.127536][ T903] __sys_sendmsg+0xcd/0x170 [ 850.127536][ T903] do_syscall_64+0xc6/0x1e0 [ 850.127536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.127536][ T903] [ 850.129289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 850.129289][ T903] neigh_parms_alloc+0x1e5/0x510 [ 850.129289][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 850.129289][ T903] ipv6_find_idev+0x102/0x170 [ 850.129289][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.129289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.129289][ T903] netlink_rcv_skb+0x130/0x360 [ 850.129289][ T903] netlink_unicast+0x449/0x710 [ 850.129289][ T903] netlink_sendmsg+0x723/0xbe0 [ 850.129289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 850.129289][ T903] ___sys_sendmsg+0xee/0x170 [ 850.129289][ T903] __sys_sendmsg+0xcd/0x170 [ 850.129289][ T903] do_syscall_64+0xc6/0x1e0 [ 850.129289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.129289][ T903] [ 860.213838][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 860.214594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 860.214594][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 860.214594][ T903] ip6_validate_gw+0x3eb/0x790 [ 860.214594][ T903] fib6_nh_init+0xa5b/0x15b0 [ 860.214594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 860.214594][ T903] ip6_route_add+0x1c/0x140 [ 860.214594][ T903] inet6_rtm_newroute+0x104/0x110 [ 860.214594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.214594][ T903] netlink_rcv_skb+0x130/0x360 [ 860.214594][ T903] netlink_unicast+0x449/0x710 [ 860.214594][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.214594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.214594][ T903] ___sys_sendmsg+0xee/0x170 [ 860.214594][ T903] __sys_sendmsg+0xcd/0x170 [ 860.214594][ T903] do_syscall_64+0xc6/0x1e0 [ 860.214594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.214594][ T903] [ 860.217536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 860.217536][ T903] netdev_get_by_index+0x5e/0x80 [ 860.217536][ T903] fib6_nh_init+0x3d8/0x15b0 [ 860.217536][ T903] ip6_route_info_create+0xf18/0x17d0 [ 860.217536][ T903] ip6_route_add+0x1c/0x140 [ 860.217536][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 860.217536][ T903] inet6_addr_add+0x4f8/0xa40 [ 860.217536][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 860.217536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.217536][ T903] netlink_rcv_skb+0x130/0x360 [ 860.217536][ T903] netlink_unicast+0x449/0x710 [ 860.217536][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.217536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.217536][ T903] ___sys_sendmsg+0xee/0x170 [ 860.217536][ T903] __sys_sendmsg+0xcd/0x170 [ 860.217536][ T903] do_syscall_64+0xc6/0x1e0 [ 860.217536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.217536][ T903] [ 860.220574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 860.220574][ T903] netdev_get_by_index+0x5e/0x80 [ 860.220574][ T903] fib6_nh_init+0x3d8/0x15b0 [ 860.220574][ T903] ip6_route_info_create+0xf18/0x17d0 [ 860.220574][ T903] addrconf_f6i_alloc+0x244/0x410 [ 860.220574][ T903] ipv6_add_addr+0x411/0x2000 [ 860.220574][ T903] inet6_addr_add+0x30e/0xa40 [ 860.220574][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 860.220574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.220574][ T903] netlink_rcv_skb+0x130/0x360 [ 860.220574][ T903] netlink_unicast+0x449/0x710 [ 860.220574][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.220574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.220574][ T903] ___sys_sendmsg+0xee/0x170 [ 860.220574][ T903] __sys_sendmsg+0xcd/0x170 [ 860.220574][ T903] do_syscall_64+0xc6/0x1e0 [ 860.220574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.220574][ T903] [ 860.223589][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 860.223589][ T903] netdev_get_by_index+0x5e/0x80 [ 860.223589][ T903] fib6_nh_init+0x3d8/0x15b0 [ 860.223589][ T903] ip6_route_info_create+0xf18/0x17d0 [ 860.223589][ T903] ip6_route_add+0x1c/0x140 [ 860.223589][ T903] addrconf_add_mroute+0x129/0x180 [ 860.223589][ T903] addrconf_add_dev+0xe2/0x170 [ 860.223589][ T903] inet6_addr_add+0x12f/0xa40 [ 860.223589][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 860.223589][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.223589][ T903] netlink_rcv_skb+0x130/0x360 [ 860.223589][ T903] netlink_unicast+0x449/0x710 [ 860.223589][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.223589][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.223589][ T903] ___sys_sendmsg+0xee/0x170 [ 860.223589][ T903] __sys_sendmsg+0xcd/0x170 [ 860.223589][ T903] do_syscall_64+0xc6/0x1e0 [ 860.223589][ T903] [ 860.226637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 860.226637][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 860.226637][ T903] ipv6_find_idev+0x102/0x170 [ 860.226637][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.226637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.226637][ T903] netlink_rcv_skb+0x130/0x360 [ 860.226637][ T903] netlink_unicast+0x449/0x710 [ 860.226637][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.226637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.226637][ T903] ___sys_sendmsg+0xee/0x170 [ 860.226637][ T903] __sys_sendmsg+0xcd/0x170 [ 860.226637][ T903] do_syscall_64+0xc6/0x1e0 [ 860.226637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.226637][ T903] [ 860.229053][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 860.229053][ T903] neigh_parms_alloc+0x1e5/0x510 [ 860.229053][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 860.229053][ T903] ipv6_find_idev+0x102/0x170 [ 860.229053][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.229053][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.229053][ T903] netlink_rcv_skb+0x130/0x360 [ 860.229053][ T903] netlink_unicast+0x449/0x710 [ 860.229053][ T903] netlink_sendmsg+0x723/0xbe0 [ 860.229053][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 860.229053][ T903] ___sys_sendmsg+0xee/0x170 [ 860.229053][ T903] __sys_sendmsg+0xcd/0x170 [ 860.229053][ T903] do_syscall_64+0xc6/0x1e0 [ 860.229053][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.229053][ T903] [ 870.485865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 870.486436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 870.486436][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 870.486436][ T903] ip6_validate_gw+0x3eb/0x790 [ 870.486436][ T903] fib6_nh_init+0xa5b/0x15b0 [ 870.486436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 870.486436][ T903] ip6_route_add+0x1c/0x140 [ 870.486436][ T903] inet6_rtm_newroute+0x104/0x110 [ 870.486436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.486436][ T903] netlink_rcv_skb+0x130/0x360 [ 870.486436][ T903] netlink_unicast+0x449/0x710 [ 870.486436][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.486436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.486436][ T903] ___sys_sendmsg+0xee/0x170 [ 870.486436][ T903] __sys_sendmsg+0xcd/0x170 [ 870.486436][ T903] do_syscall_64+0xc6/0x1e0 [ 870.486436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.486436][ T903] [ 870.488541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 870.488541][ T903] netdev_get_by_index+0x5e/0x80 [ 870.488541][ T903] fib6_nh_init+0x3d8/0x15b0 [ 870.488541][ T903] ip6_route_info_create+0xf18/0x17d0 [ 870.488541][ T903] ip6_route_add+0x1c/0x140 [ 870.488541][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 870.488541][ T903] inet6_addr_add+0x4f8/0xa40 [ 870.488541][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 870.488541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.488541][ T903] netlink_rcv_skb+0x130/0x360 [ 870.488541][ T903] netlink_unicast+0x449/0x710 [ 870.488541][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.488541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.488541][ T903] ___sys_sendmsg+0xee/0x170 [ 870.488541][ T903] __sys_sendmsg+0xcd/0x170 [ 870.488541][ T903] do_syscall_64+0xc6/0x1e0 [ 870.488541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.488541][ T903] [ 870.490738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 870.490738][ T903] netdev_get_by_index+0x5e/0x80 [ 870.490738][ T903] fib6_nh_init+0x3d8/0x15b0 [ 870.490738][ T903] ip6_route_info_create+0xf18/0x17d0 [ 870.490738][ T903] addrconf_f6i_alloc+0x244/0x410 [ 870.490738][ T903] ipv6_add_addr+0x411/0x2000 [ 870.490738][ T903] inet6_addr_add+0x30e/0xa40 [ 870.490738][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 870.490738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.490738][ T903] netlink_rcv_skb+0x130/0x360 [ 870.490738][ T903] netlink_unicast+0x449/0x710 [ 870.490738][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.490738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.490738][ T903] ___sys_sendmsg+0xee/0x170 [ 870.490738][ T903] __sys_sendmsg+0xcd/0x170 [ 870.490738][ T903] do_syscall_64+0xc6/0x1e0 [ 870.490738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.490738][ T903] [ 870.492928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 870.492928][ T903] netdev_get_by_index+0x5e/0x80 [ 870.492928][ T903] fib6_nh_init+0x3d8/0x15b0 [ 870.492928][ T903] ip6_route_info_create+0xf18/0x17d0 [ 870.492928][ T903] ip6_route_add+0x1c/0x140 [ 870.492928][ T903] addrconf_add_mroute+0x129/0x180 [ 870.492928][ T903] addrconf_add_dev+0xe2/0x170 [ 870.492928][ T903] inet6_addr_add+0x12f/0xa40 [ 870.492928][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 870.492928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.492928][ T903] netlink_rcv_skb+0x130/0x360 [ 870.492928][ T903] netlink_unicast+0x449/0x710 [ 870.492928][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.492928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.492928][ T903] ___sys_sendmsg+0xee/0x170 [ 870.492928][ T903] __sys_sendmsg+0xcd/0x170 [ 870.492928][ T903] do_syscall_64+0xc6/0x1e0 [ 870.492928][ T903] [ 870.495091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 870.495091][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 870.495091][ T903] ipv6_find_idev+0x102/0x170 [ 870.495091][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.495091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.495091][ T903] netlink_rcv_skb+0x130/0x360 [ 870.495091][ T903] netlink_unicast+0x449/0x710 [ 870.495091][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.495091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.495091][ T903] ___sys_sendmsg+0xee/0x170 [ 870.495091][ T903] __sys_sendmsg+0xcd/0x170 [ 870.495091][ T903] do_syscall_64+0xc6/0x1e0 [ 870.495091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.495091][ T903] [ 870.496780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 870.496780][ T903] neigh_parms_alloc+0x1e5/0x510 [ 870.496780][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 870.496780][ T903] ipv6_find_idev+0x102/0x170 [ 870.496780][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.496780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.496780][ T903] netlink_rcv_skb+0x130/0x360 [ 870.496780][ T903] netlink_unicast+0x449/0x710 [ 870.496780][ T903] netlink_sendmsg+0x723/0xbe0 [ 870.496780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 870.496780][ T903] ___sys_sendmsg+0xee/0x170 [ 870.496780][ T903] __sys_sendmsg+0xcd/0x170 [ 870.496780][ T903] do_syscall_64+0xc6/0x1e0 [ 870.496780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.496780][ T903] [ 880.749816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 880.750320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 880.750320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 880.750320][ T903] ip6_validate_gw+0x3eb/0x790 [ 880.750320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 880.750320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 880.750320][ T903] ip6_route_add+0x1c/0x140 [ 880.750320][ T903] inet6_rtm_newroute+0x104/0x110 [ 880.750320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.750320][ T903] netlink_rcv_skb+0x130/0x360 [ 880.750320][ T903] netlink_unicast+0x449/0x710 [ 880.750320][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.750320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.750320][ T903] ___sys_sendmsg+0xee/0x170 [ 880.750320][ T903] __sys_sendmsg+0xcd/0x170 [ 880.750320][ T903] do_syscall_64+0xc6/0x1e0 [ 880.750320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.750320][ T903] [ 880.752467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 880.752467][ T903] netdev_get_by_index+0x5e/0x80 [ 880.752467][ T903] fib6_nh_init+0x3d8/0x15b0 [ 880.752467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 880.752467][ T903] ip6_route_add+0x1c/0x140 [ 880.752467][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 880.752467][ T903] inet6_addr_add+0x4f8/0xa40 [ 880.752467][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 880.752467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.752467][ T903] netlink_rcv_skb+0x130/0x360 [ 880.752467][ T903] netlink_unicast+0x449/0x710 [ 880.752467][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.752467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.752467][ T903] ___sys_sendmsg+0xee/0x170 [ 880.752467][ T903] __sys_sendmsg+0xcd/0x170 [ 880.752467][ T903] do_syscall_64+0xc6/0x1e0 [ 880.752467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.752467][ T903] [ 880.754720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 880.754720][ T903] netdev_get_by_index+0x5e/0x80 [ 880.754720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 880.754720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 880.754720][ T903] addrconf_f6i_alloc+0x244/0x410 [ 880.754720][ T903] ipv6_add_addr+0x411/0x2000 [ 880.754720][ T903] inet6_addr_add+0x30e/0xa40 [ 880.754720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 880.754720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.754720][ T903] netlink_rcv_skb+0x130/0x360 [ 880.754720][ T903] netlink_unicast+0x449/0x710 [ 880.754720][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.754720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.754720][ T903] ___sys_sendmsg+0xee/0x170 [ 880.754720][ T903] __sys_sendmsg+0xcd/0x170 [ 880.754720][ T903] do_syscall_64+0xc6/0x1e0 [ 880.754720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.754720][ T903] [ 880.756973][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 880.756973][ T903] netdev_get_by_index+0x5e/0x80 [ 880.756973][ T903] fib6_nh_init+0x3d8/0x15b0 [ 880.756973][ T903] ip6_route_info_create+0xf18/0x17d0 [ 880.756973][ T903] ip6_route_add+0x1c/0x140 [ 880.756973][ T903] addrconf_add_mroute+0x129/0x180 [ 880.756973][ T903] addrconf_add_dev+0xe2/0x170 [ 880.756973][ T903] inet6_addr_add+0x12f/0xa40 [ 880.756973][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 880.756973][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.756973][ T903] netlink_rcv_skb+0x130/0x360 [ 880.756973][ T903] netlink_unicast+0x449/0x710 [ 880.756973][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.756973][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.756973][ T903] ___sys_sendmsg+0xee/0x170 [ 880.756973][ T903] __sys_sendmsg+0xcd/0x170 [ 880.756973][ T903] do_syscall_64+0xc6/0x1e0 [ 880.756973][ T903] [ 880.759171][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 880.759171][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 880.759171][ T903] ipv6_find_idev+0x102/0x170 [ 880.759171][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.759171][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.759171][ T903] netlink_rcv_skb+0x130/0x360 [ 880.759171][ T903] netlink_unicast+0x449/0x710 [ 880.759171][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.759171][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.759171][ T903] ___sys_sendmsg+0xee/0x170 [ 880.759171][ T903] __sys_sendmsg+0xcd/0x170 [ 880.759171][ T903] do_syscall_64+0xc6/0x1e0 [ 880.759171][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.759171][ T903] [ 880.760875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 880.760875][ T903] neigh_parms_alloc+0x1e5/0x510 [ 880.760875][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 880.760875][ T903] ipv6_find_idev+0x102/0x170 [ 880.760875][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.760875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.760875][ T903] netlink_rcv_skb+0x130/0x360 [ 880.760875][ T903] netlink_unicast+0x449/0x710 [ 880.760875][ T903] netlink_sendmsg+0x723/0xbe0 [ 880.760875][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 880.760875][ T903] ___sys_sendmsg+0xee/0x170 [ 880.760875][ T903] __sys_sendmsg+0xcd/0x170 [ 880.760875][ T903] do_syscall_64+0xc6/0x1e0 [ 880.760875][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.760875][ T903] [ 891.013829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 891.014283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 891.014283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 891.014283][ T903] ip6_validate_gw+0x3eb/0x790 [ 891.014283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 891.014283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 891.014283][ T903] ip6_route_add+0x1c/0x140 [ 891.014283][ T903] inet6_rtm_newroute+0x104/0x110 [ 891.014283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.014283][ T903] netlink_rcv_skb+0x130/0x360 [ 891.014283][ T903] netlink_unicast+0x449/0x710 [ 891.014283][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.014283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.014283][ T903] ___sys_sendmsg+0xee/0x170 [ 891.014283][ T903] __sys_sendmsg+0xcd/0x170 [ 891.014283][ T903] do_syscall_64+0xc6/0x1e0 [ 891.014283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.014283][ T903] [ 891.016382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 891.016382][ T903] netdev_get_by_index+0x5e/0x80 [ 891.016382][ T903] fib6_nh_init+0x3d8/0x15b0 [ 891.016382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 891.016382][ T903] ip6_route_add+0x1c/0x140 [ 891.016382][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 891.016382][ T903] inet6_addr_add+0x4f8/0xa40 [ 891.016382][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 891.016382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.016382][ T903] netlink_rcv_skb+0x130/0x360 [ 891.016382][ T903] netlink_unicast+0x449/0x710 [ 891.016382][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.016382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.016382][ T903] ___sys_sendmsg+0xee/0x170 [ 891.016382][ T903] __sys_sendmsg+0xcd/0x170 [ 891.016382][ T903] do_syscall_64+0xc6/0x1e0 [ 891.016382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.016382][ T903] [ 891.018594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 891.018594][ T903] netdev_get_by_index+0x5e/0x80 [ 891.018594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 891.018594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 891.018594][ T903] addrconf_f6i_alloc+0x244/0x410 [ 891.018594][ T903] ipv6_add_addr+0x411/0x2000 [ 891.018594][ T903] inet6_addr_add+0x30e/0xa40 [ 891.018594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 891.018594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.018594][ T903] netlink_rcv_skb+0x130/0x360 [ 891.018594][ T903] netlink_unicast+0x449/0x710 [ 891.018594][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.018594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.018594][ T903] ___sys_sendmsg+0xee/0x170 [ 891.018594][ T903] __sys_sendmsg+0xcd/0x170 [ 891.018594][ T903] do_syscall_64+0xc6/0x1e0 [ 891.018594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.018594][ T903] [ 891.020800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 891.020800][ T903] netdev_get_by_index+0x5e/0x80 [ 891.020800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 891.020800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 891.020800][ T903] ip6_route_add+0x1c/0x140 [ 891.020800][ T903] addrconf_add_mroute+0x129/0x180 [ 891.020800][ T903] addrconf_add_dev+0xe2/0x170 [ 891.020800][ T903] inet6_addr_add+0x12f/0xa40 [ 891.020800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 891.020800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.020800][ T903] netlink_rcv_skb+0x130/0x360 [ 891.020800][ T903] netlink_unicast+0x449/0x710 [ 891.020800][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.020800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.020800][ T903] ___sys_sendmsg+0xee/0x170 [ 891.020800][ T903] __sys_sendmsg+0xcd/0x170 [ 891.020800][ T903] do_syscall_64+0xc6/0x1e0 [ 891.020800][ T903] [ 891.023069][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 891.023069][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 891.023069][ T903] ipv6_find_idev+0x102/0x170 [ 891.023069][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.023069][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.023069][ T903] netlink_rcv_skb+0x130/0x360 [ 891.023069][ T903] netlink_unicast+0x449/0x710 [ 891.023069][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.023069][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.023069][ T903] ___sys_sendmsg+0xee/0x170 [ 891.023069][ T903] __sys_sendmsg+0xcd/0x170 [ 891.023069][ T903] do_syscall_64+0xc6/0x1e0 [ 891.023069][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.023069][ T903] [ 891.024771][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 891.024771][ T903] neigh_parms_alloc+0x1e5/0x510 [ 891.024771][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 891.024771][ T903] ipv6_find_idev+0x102/0x170 [ 891.024771][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.024771][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.024771][ T903] netlink_rcv_skb+0x130/0x360 [ 891.024771][ T903] netlink_unicast+0x449/0x710 [ 891.024771][ T903] netlink_sendmsg+0x723/0xbe0 [ 891.024771][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 891.024771][ T903] ___sys_sendmsg+0xee/0x170 [ 891.024771][ T903] __sys_sendmsg+0xcd/0x170 [ 891.024771][ T903] do_syscall_64+0xc6/0x1e0 [ 891.024771][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.024771][ T903] [ 901.277819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 901.278367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 901.278367][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 901.278367][ T903] ip6_validate_gw+0x3eb/0x790 [ 901.278367][ T903] fib6_nh_init+0xa5b/0x15b0 [ 901.278367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 901.278367][ T903] ip6_route_add+0x1c/0x140 [ 901.278367][ T903] inet6_rtm_newroute+0x104/0x110 [ 901.278367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.278367][ T903] netlink_rcv_skb+0x130/0x360 [ 901.278367][ T903] netlink_unicast+0x449/0x710 [ 901.278367][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.278367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.278367][ T903] ___sys_sendmsg+0xee/0x170 [ 901.278367][ T903] __sys_sendmsg+0xcd/0x170 [ 901.278367][ T903] do_syscall_64+0xc6/0x1e0 [ 901.278367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.278367][ T903] [ 901.280863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 901.280863][ T903] netdev_get_by_index+0x5e/0x80 [ 901.280863][ T903] fib6_nh_init+0x3d8/0x15b0 [ 901.280863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 901.280863][ T903] ip6_route_add+0x1c/0x140 [ 901.280863][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 901.280863][ T903] inet6_addr_add+0x4f8/0xa40 [ 901.280863][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 901.280863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.280863][ T903] netlink_rcv_skb+0x130/0x360 [ 901.280863][ T903] netlink_unicast+0x449/0x710 [ 901.280863][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.280863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.280863][ T903] ___sys_sendmsg+0xee/0x170 [ 901.280863][ T903] __sys_sendmsg+0xcd/0x170 [ 901.280863][ T903] do_syscall_64+0xc6/0x1e0 [ 901.280863][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.280863][ T903] [ 901.283069][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 901.283069][ T903] netdev_get_by_index+0x5e/0x80 [ 901.283069][ T903] fib6_nh_init+0x3d8/0x15b0 [ 901.283069][ T903] ip6_route_info_create+0xf18/0x17d0 [ 901.283069][ T903] addrconf_f6i_alloc+0x244/0x410 [ 901.283069][ T903] ipv6_add_addr+0x411/0x2000 [ 901.283069][ T903] inet6_addr_add+0x30e/0xa40 [ 901.283069][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 901.283069][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.283069][ T903] netlink_rcv_skb+0x130/0x360 [ 901.283069][ T903] netlink_unicast+0x449/0x710 [ 901.283069][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.283069][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.283069][ T903] ___sys_sendmsg+0xee/0x170 [ 901.283069][ T903] __sys_sendmsg+0xcd/0x170 [ 901.283069][ T903] do_syscall_64+0xc6/0x1e0 [ 901.283069][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.283069][ T903] [ 901.285272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 901.285272][ T903] netdev_get_by_index+0x5e/0x80 [ 901.285272][ T903] fib6_nh_init+0x3d8/0x15b0 [ 901.285272][ T903] ip6_route_info_create+0xf18/0x17d0 [ 901.285272][ T903] ip6_route_add+0x1c/0x140 [ 901.285272][ T903] addrconf_add_mroute+0x129/0x180 [ 901.285272][ T903] addrconf_add_dev+0xe2/0x170 [ 901.285272][ T903] inet6_addr_add+0x12f/0xa40 [ 901.285272][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 901.285272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.285272][ T903] netlink_rcv_skb+0x130/0x360 [ 901.285272][ T903] netlink_unicast+0x449/0x710 [ 901.285272][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.285272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.285272][ T903] ___sys_sendmsg+0xee/0x170 [ 901.285272][ T903] __sys_sendmsg+0xcd/0x170 [ 901.285272][ T903] do_syscall_64+0xc6/0x1e0 [ 901.285272][ T903] [ 901.287535][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 901.287535][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 901.287535][ T903] ipv6_find_idev+0x102/0x170 [ 901.287535][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.287535][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.287535][ T903] netlink_rcv_skb+0x130/0x360 [ 901.287535][ T903] netlink_unicast+0x449/0x710 [ 901.287535][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.287535][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.287535][ T903] ___sys_sendmsg+0xee/0x170 [ 901.287535][ T903] __sys_sendmsg+0xcd/0x170 [ 901.287535][ T903] do_syscall_64+0xc6/0x1e0 [ 901.287535][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.287535][ T903] [ 901.289242][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 901.289242][ T903] neigh_parms_alloc+0x1e5/0x510 [ 901.289242][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 901.289242][ T903] ipv6_find_idev+0x102/0x170 [ 901.289242][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.289242][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.289242][ T903] netlink_rcv_skb+0x130/0x360 [ 901.289242][ T903] netlink_unicast+0x449/0x710 [ 901.289242][ T903] netlink_sendmsg+0x723/0xbe0 [ 901.289242][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 901.289242][ T903] ___sys_sendmsg+0xee/0x170 [ 901.289242][ T903] __sys_sendmsg+0xcd/0x170 [ 901.289242][ T903] do_syscall_64+0xc6/0x1e0 [ 901.289242][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.289242][ T903] [ 911.541846][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 911.542316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 911.542316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 911.542316][ T903] ip6_validate_gw+0x3eb/0x790 [ 911.542316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 911.542316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 911.542316][ T903] ip6_route_add+0x1c/0x140 [ 911.542316][ T903] inet6_rtm_newroute+0x104/0x110 [ 911.542316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.542316][ T903] netlink_rcv_skb+0x130/0x360 [ 911.542316][ T903] netlink_unicast+0x449/0x710 [ 911.542316][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.542316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.542316][ T903] ___sys_sendmsg+0xee/0x170 [ 911.542316][ T903] __sys_sendmsg+0xcd/0x170 [ 911.542316][ T903] do_syscall_64+0xc6/0x1e0 [ 911.542316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.542316][ T903] [ 911.544401][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 911.544401][ T903] netdev_get_by_index+0x5e/0x80 [ 911.544401][ T903] fib6_nh_init+0x3d8/0x15b0 [ 911.544401][ T903] ip6_route_info_create+0xf18/0x17d0 [ 911.544401][ T903] ip6_route_add+0x1c/0x140 [ 911.544401][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 911.544401][ T903] inet6_addr_add+0x4f8/0xa40 [ 911.544401][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 911.544401][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.544401][ T903] netlink_rcv_skb+0x130/0x360 [ 911.544401][ T903] netlink_unicast+0x449/0x710 [ 911.544401][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.544401][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.544401][ T903] ___sys_sendmsg+0xee/0x170 [ 911.544401][ T903] __sys_sendmsg+0xcd/0x170 [ 911.544401][ T903] do_syscall_64+0xc6/0x1e0 [ 911.544401][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.544401][ T903] [ 911.546604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 911.546604][ T903] netdev_get_by_index+0x5e/0x80 [ 911.546604][ T903] fib6_nh_init+0x3d8/0x15b0 [ 911.546604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 911.546604][ T903] addrconf_f6i_alloc+0x244/0x410 [ 911.546604][ T903] ipv6_add_addr+0x411/0x2000 [ 911.546604][ T903] inet6_addr_add+0x30e/0xa40 [ 911.546604][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 911.546604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.546604][ T903] netlink_rcv_skb+0x130/0x360 [ 911.546604][ T903] netlink_unicast+0x449/0x710 [ 911.546604][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.546604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.546604][ T903] ___sys_sendmsg+0xee/0x170 [ 911.546604][ T903] __sys_sendmsg+0xcd/0x170 [ 911.546604][ T903] do_syscall_64+0xc6/0x1e0 [ 911.546604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.546604][ T903] [ 911.548805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 911.548805][ T903] netdev_get_by_index+0x5e/0x80 [ 911.548805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 911.548805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 911.548805][ T903] ip6_route_add+0x1c/0x140 [ 911.548805][ T903] addrconf_add_mroute+0x129/0x180 [ 911.548805][ T903] addrconf_add_dev+0xe2/0x170 [ 911.548805][ T903] inet6_addr_add+0x12f/0xa40 [ 911.548805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 911.548805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.548805][ T903] netlink_rcv_skb+0x130/0x360 [ 911.548805][ T903] netlink_unicast+0x449/0x710 [ 911.548805][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.548805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.548805][ T903] ___sys_sendmsg+0xee/0x170 [ 911.548805][ T903] __sys_sendmsg+0xcd/0x170 [ 911.548805][ T903] do_syscall_64+0xc6/0x1e0 [ 911.548805][ T903] [ 911.550969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 911.550969][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 911.550969][ T903] ipv6_find_idev+0x102/0x170 [ 911.550969][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.550969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.550969][ T903] netlink_rcv_skb+0x130/0x360 [ 911.550969][ T903] netlink_unicast+0x449/0x710 [ 911.550969][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.550969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.550969][ T903] ___sys_sendmsg+0xee/0x170 [ 911.550969][ T903] __sys_sendmsg+0xcd/0x170 [ 911.550969][ T903] do_syscall_64+0xc6/0x1e0 [ 911.550969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.550969][ T903] [ 911.552669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 911.552669][ T903] neigh_parms_alloc+0x1e5/0x510 [ 911.552669][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 911.552669][ T903] ipv6_find_idev+0x102/0x170 [ 911.552669][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.552669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.552669][ T903] netlink_rcv_skb+0x130/0x360 [ 911.552669][ T903] netlink_unicast+0x449/0x710 [ 911.552669][ T903] netlink_sendmsg+0x723/0xbe0 [ 911.552669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 911.552669][ T903] ___sys_sendmsg+0xee/0x170 [ 911.552669][ T903] __sys_sendmsg+0xcd/0x170 [ 911.552669][ T903] do_syscall_64+0xc6/0x1e0 [ 911.552669][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.552669][ T903] [ 921.797786][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 921.798262][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 921.798262][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 921.798262][ T903] ip6_validate_gw+0x3eb/0x790 [ 921.798262][ T903] fib6_nh_init+0xa5b/0x15b0 [ 921.798262][ T903] ip6_route_info_create+0xf18/0x17d0 [ 921.798262][ T903] ip6_route_add+0x1c/0x140 [ 921.798262][ T903] inet6_rtm_newroute+0x104/0x110 [ 921.798262][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.798262][ T903] netlink_rcv_skb+0x130/0x360 [ 921.798262][ T903] netlink_unicast+0x449/0x710 [ 921.798262][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.798262][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.798262][ T903] ___sys_sendmsg+0xee/0x170 [ 921.798262][ T903] __sys_sendmsg+0xcd/0x170 [ 921.798262][ T903] do_syscall_64+0xc6/0x1e0 [ 921.798262][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.798262][ T903] [ 921.800388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 921.800388][ T903] netdev_get_by_index+0x5e/0x80 [ 921.800388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 921.800388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 921.800388][ T903] ip6_route_add+0x1c/0x140 [ 921.800388][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 921.800388][ T903] inet6_addr_add+0x4f8/0xa40 [ 921.800388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 921.800388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.800388][ T903] netlink_rcv_skb+0x130/0x360 [ 921.800388][ T903] netlink_unicast+0x449/0x710 [ 921.800388][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.800388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.800388][ T903] ___sys_sendmsg+0xee/0x170 [ 921.800388][ T903] __sys_sendmsg+0xcd/0x170 [ 921.800388][ T903] do_syscall_64+0xc6/0x1e0 [ 921.800388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.800388][ T903] [ 921.802622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 921.802622][ T903] netdev_get_by_index+0x5e/0x80 [ 921.802622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 921.802622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 921.802622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 921.802622][ T903] ipv6_add_addr+0x411/0x2000 [ 921.802622][ T903] inet6_addr_add+0x30e/0xa40 [ 921.802622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 921.802622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.802622][ T903] netlink_rcv_skb+0x130/0x360 [ 921.802622][ T903] netlink_unicast+0x449/0x710 [ 921.802622][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.802622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.802622][ T903] ___sys_sendmsg+0xee/0x170 [ 921.802622][ T903] __sys_sendmsg+0xcd/0x170 [ 921.802622][ T903] do_syscall_64+0xc6/0x1e0 [ 921.802622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.802622][ T903] [ 921.804849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 921.804849][ T903] netdev_get_by_index+0x5e/0x80 [ 921.804849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 921.804849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 921.804849][ T903] ip6_route_add+0x1c/0x140 [ 921.804849][ T903] addrconf_add_mroute+0x129/0x180 [ 921.804849][ T903] addrconf_add_dev+0xe2/0x170 [ 921.804849][ T903] inet6_addr_add+0x12f/0xa40 [ 921.804849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 921.804849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.804849][ T903] netlink_rcv_skb+0x130/0x360 [ 921.804849][ T903] netlink_unicast+0x449/0x710 [ 921.804849][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.804849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.804849][ T903] ___sys_sendmsg+0xee/0x170 [ 921.804849][ T903] __sys_sendmsg+0xcd/0x170 [ 921.804849][ T903] do_syscall_64+0xc6/0x1e0 [ 921.804849][ T903] [ 921.807033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 921.807033][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 921.807033][ T903] ipv6_find_idev+0x102/0x170 [ 921.807033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.807033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.807033][ T903] netlink_rcv_skb+0x130/0x360 [ 921.807033][ T903] netlink_unicast+0x449/0x710 [ 921.807033][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.807033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.807033][ T903] ___sys_sendmsg+0xee/0x170 [ 921.807033][ T903] __sys_sendmsg+0xcd/0x170 [ 921.807033][ T903] do_syscall_64+0xc6/0x1e0 [ 921.807033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.807033][ T903] [ 921.808765][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 921.808765][ T903] neigh_parms_alloc+0x1e5/0x510 [ 921.808765][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 921.808765][ T903] ipv6_find_idev+0x102/0x170 [ 921.808765][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.808765][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.808765][ T903] netlink_rcv_skb+0x130/0x360 [ 921.808765][ T903] netlink_unicast+0x449/0x710 [ 921.808765][ T903] netlink_sendmsg+0x723/0xbe0 [ 921.808765][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 921.808765][ T903] ___sys_sendmsg+0xee/0x170 [ 921.808765][ T903] __sys_sendmsg+0xcd/0x170 [ 921.808765][ T903] do_syscall_64+0xc6/0x1e0 [ 921.808765][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.808765][ T903] [ 932.061817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 932.062367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 932.062367][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 932.062367][ T903] ip6_validate_gw+0x3eb/0x790 [ 932.062367][ T903] fib6_nh_init+0xa5b/0x15b0 [ 932.062367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 932.062367][ T903] ip6_route_add+0x1c/0x140 [ 932.062367][ T903] inet6_rtm_newroute+0x104/0x110 [ 932.062367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.062367][ T903] netlink_rcv_skb+0x130/0x360 [ 932.062367][ T903] netlink_unicast+0x449/0x710 [ 932.062367][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.062367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.062367][ T903] ___sys_sendmsg+0xee/0x170 [ 932.062367][ T903] __sys_sendmsg+0xcd/0x170 [ 932.062367][ T903] do_syscall_64+0xc6/0x1e0 [ 932.062367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.062367][ T903] [ 932.064496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 932.064496][ T903] netdev_get_by_index+0x5e/0x80 [ 932.064496][ T903] fib6_nh_init+0x3d8/0x15b0 [ 932.064496][ T903] ip6_route_info_create+0xf18/0x17d0 [ 932.064496][ T903] ip6_route_add+0x1c/0x140 [ 932.064496][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 932.064496][ T903] inet6_addr_add+0x4f8/0xa40 [ 932.064496][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 932.064496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.064496][ T903] netlink_rcv_skb+0x130/0x360 [ 932.064496][ T903] netlink_unicast+0x449/0x710 [ 932.064496][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.064496][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.064496][ T903] ___sys_sendmsg+0xee/0x170 [ 932.064496][ T903] __sys_sendmsg+0xcd/0x170 [ 932.064496][ T903] do_syscall_64+0xc6/0x1e0 [ 932.064496][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.064496][ T903] [ 932.066733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 932.066733][ T903] netdev_get_by_index+0x5e/0x80 [ 932.066733][ T903] fib6_nh_init+0x3d8/0x15b0 [ 932.066733][ T903] ip6_route_info_create+0xf18/0x17d0 [ 932.066733][ T903] addrconf_f6i_alloc+0x244/0x410 [ 932.066733][ T903] ipv6_add_addr+0x411/0x2000 [ 932.066733][ T903] inet6_addr_add+0x30e/0xa40 [ 932.066733][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 932.066733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.066733][ T903] netlink_rcv_skb+0x130/0x360 [ 932.066733][ T903] netlink_unicast+0x449/0x710 [ 932.066733][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.066733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.066733][ T903] ___sys_sendmsg+0xee/0x170 [ 932.066733][ T903] __sys_sendmsg+0xcd/0x170 [ 932.066733][ T903] do_syscall_64+0xc6/0x1e0 [ 932.066733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.066733][ T903] [ 932.068978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 932.068978][ T903] netdev_get_by_index+0x5e/0x80 [ 932.068978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 932.068978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 932.068978][ T903] ip6_route_add+0x1c/0x140 [ 932.068978][ T903] addrconf_add_mroute+0x129/0x180 [ 932.068978][ T903] addrconf_add_dev+0xe2/0x170 [ 932.068978][ T903] inet6_addr_add+0x12f/0xa40 [ 932.068978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 932.068978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.068978][ T903] netlink_rcv_skb+0x130/0x360 [ 932.068978][ T903] netlink_unicast+0x449/0x710 [ 932.068978][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.068978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.068978][ T903] ___sys_sendmsg+0xee/0x170 [ 932.068978][ T903] __sys_sendmsg+0xcd/0x170 [ 932.068978][ T903] do_syscall_64+0xc6/0x1e0 [ 932.068978][ T903] [ 932.071168][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 932.071168][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 932.071168][ T903] ipv6_find_idev+0x102/0x170 [ 932.071168][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.071168][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.071168][ T903] netlink_rcv_skb+0x130/0x360 [ 932.071168][ T903] netlink_unicast+0x449/0x710 [ 932.071168][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.071168][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.071168][ T903] ___sys_sendmsg+0xee/0x170 [ 932.071168][ T903] __sys_sendmsg+0xcd/0x170 [ 932.071168][ T903] do_syscall_64+0xc6/0x1e0 [ 932.071168][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.071168][ T903] [ 932.072887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 932.072887][ T903] neigh_parms_alloc+0x1e5/0x510 [ 932.072887][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 932.072887][ T903] ipv6_find_idev+0x102/0x170 [ 932.072887][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.072887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.072887][ T903] netlink_rcv_skb+0x130/0x360 [ 932.072887][ T903] netlink_unicast+0x449/0x710 [ 932.072887][ T903] netlink_sendmsg+0x723/0xbe0 [ 932.072887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 932.072887][ T903] ___sys_sendmsg+0xee/0x170 [ 932.072887][ T903] __sys_sendmsg+0xcd/0x170 [ 932.072887][ T903] do_syscall_64+0xc6/0x1e0 [ 932.072887][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.072887][ T903] [ 942.325821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 942.326365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 942.326365][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 942.326365][ T903] ip6_validate_gw+0x3eb/0x790 [ 942.326365][ T903] fib6_nh_init+0xa5b/0x15b0 [ 942.326365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 942.326365][ T903] ip6_route_add+0x1c/0x140 [ 942.326365][ T903] inet6_rtm_newroute+0x104/0x110 [ 942.326365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.326365][ T903] netlink_rcv_skb+0x130/0x360 [ 942.326365][ T903] netlink_unicast+0x449/0x710 [ 942.326365][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.326365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.326365][ T903] ___sys_sendmsg+0xee/0x170 [ 942.326365][ T903] __sys_sendmsg+0xcd/0x170 [ 942.326365][ T903] do_syscall_64+0xc6/0x1e0 [ 942.326365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.326365][ T903] [ 942.328511][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 942.328511][ T903] netdev_get_by_index+0x5e/0x80 [ 942.328511][ T903] fib6_nh_init+0x3d8/0x15b0 [ 942.328511][ T903] ip6_route_info_create+0xf18/0x17d0 [ 942.328511][ T903] ip6_route_add+0x1c/0x140 [ 942.328511][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 942.328511][ T903] inet6_addr_add+0x4f8/0xa40 [ 942.328511][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 942.328511][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.328511][ T903] netlink_rcv_skb+0x130/0x360 [ 942.328511][ T903] netlink_unicast+0x449/0x710 [ 942.328511][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.328511][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.328511][ T903] ___sys_sendmsg+0xee/0x170 [ 942.328511][ T903] __sys_sendmsg+0xcd/0x170 [ 942.328511][ T903] do_syscall_64+0xc6/0x1e0 [ 942.328511][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.328511][ T903] [ 942.330743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 942.330743][ T903] netdev_get_by_index+0x5e/0x80 [ 942.330743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 942.330743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 942.330743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 942.330743][ T903] ipv6_add_addr+0x411/0x2000 [ 942.330743][ T903] inet6_addr_add+0x30e/0xa40 [ 942.330743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 942.330743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.330743][ T903] netlink_rcv_skb+0x130/0x360 [ 942.330743][ T903] netlink_unicast+0x449/0x710 [ 942.330743][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.330743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.330743][ T903] ___sys_sendmsg+0xee/0x170 [ 942.330743][ T903] __sys_sendmsg+0xcd/0x170 [ 942.330743][ T903] do_syscall_64+0xc6/0x1e0 [ 942.330743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.330743][ T903] [ 942.332961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 942.332961][ T903] netdev_get_by_index+0x5e/0x80 [ 942.332961][ T903] fib6_nh_init+0x3d8/0x15b0 [ 942.332961][ T903] ip6_route_info_create+0xf18/0x17d0 [ 942.332961][ T903] ip6_route_add+0x1c/0x140 [ 942.332961][ T903] addrconf_add_mroute+0x129/0x180 [ 942.332961][ T903] addrconf_add_dev+0xe2/0x170 [ 942.332961][ T903] inet6_addr_add+0x12f/0xa40 [ 942.332961][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 942.332961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.332961][ T903] netlink_rcv_skb+0x130/0x360 [ 942.332961][ T903] netlink_unicast+0x449/0x710 [ 942.332961][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.332961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.332961][ T903] ___sys_sendmsg+0xee/0x170 [ 942.332961][ T903] __sys_sendmsg+0xcd/0x170 [ 942.332961][ T903] do_syscall_64+0xc6/0x1e0 [ 942.332961][ T903] [ 942.335147][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 942.335147][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 942.335147][ T903] ipv6_find_idev+0x102/0x170 [ 942.335147][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.335147][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.335147][ T903] netlink_rcv_skb+0x130/0x360 [ 942.335147][ T903] netlink_unicast+0x449/0x710 [ 942.335147][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.335147][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.335147][ T903] ___sys_sendmsg+0xee/0x170 [ 942.335147][ T903] __sys_sendmsg+0xcd/0x170 [ 942.335147][ T903] do_syscall_64+0xc6/0x1e0 [ 942.335147][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.335147][ T903] [ 942.336870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 942.336870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 942.336870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 942.336870][ T903] ipv6_find_idev+0x102/0x170 [ 942.336870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.336870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.336870][ T903] netlink_rcv_skb+0x130/0x360 [ 942.336870][ T903] netlink_unicast+0x449/0x710 [ 942.336870][ T903] netlink_sendmsg+0x723/0xbe0 [ 942.336870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 942.336870][ T903] ___sys_sendmsg+0xee/0x170 [ 942.336870][ T903] __sys_sendmsg+0xcd/0x170 [ 942.336870][ T903] do_syscall_64+0xc6/0x1e0 [ 942.336870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.336870][ T903] [ 952.349796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 952.350341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 952.350341][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 952.350341][ T903] ip6_validate_gw+0x3eb/0x790 [ 952.350341][ T903] fib6_nh_init+0xa5b/0x15b0 [ 952.350341][ T903] ip6_route_info_create+0xf18/0x17d0 [ 952.350341][ T903] ip6_route_add+0x1c/0x140 [ 952.350341][ T903] inet6_rtm_newroute+0x104/0x110 [ 952.350341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.350341][ T903] netlink_rcv_skb+0x130/0x360 [ 952.350341][ T903] netlink_unicast+0x449/0x710 [ 952.350341][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.350341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.350341][ T903] ___sys_sendmsg+0xee/0x170 [ 952.350341][ T903] __sys_sendmsg+0xcd/0x170 [ 952.350341][ T903] do_syscall_64+0xc6/0x1e0 [ 952.350341][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.350341][ T903] [ 952.352463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 952.352463][ T903] netdev_get_by_index+0x5e/0x80 [ 952.352463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 952.352463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 952.352463][ T903] ip6_route_add+0x1c/0x140 [ 952.352463][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 952.352463][ T903] inet6_addr_add+0x4f8/0xa40 [ 952.352463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 952.352463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.352463][ T903] netlink_rcv_skb+0x130/0x360 [ 952.352463][ T903] netlink_unicast+0x449/0x710 [ 952.352463][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.352463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.352463][ T903] ___sys_sendmsg+0xee/0x170 [ 952.352463][ T903] __sys_sendmsg+0xcd/0x170 [ 952.352463][ T903] do_syscall_64+0xc6/0x1e0 [ 952.352463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.352463][ T903] [ 952.354695][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 952.354695][ T903] netdev_get_by_index+0x5e/0x80 [ 952.354695][ T903] fib6_nh_init+0x3d8/0x15b0 [ 952.354695][ T903] ip6_route_info_create+0xf18/0x17d0 [ 952.354695][ T903] addrconf_f6i_alloc+0x244/0x410 [ 952.354695][ T903] ipv6_add_addr+0x411/0x2000 [ 952.354695][ T903] inet6_addr_add+0x30e/0xa40 [ 952.354695][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 952.354695][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.354695][ T903] netlink_rcv_skb+0x130/0x360 [ 952.354695][ T903] netlink_unicast+0x449/0x710 [ 952.354695][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.354695][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.354695][ T903] ___sys_sendmsg+0xee/0x170 [ 952.354695][ T903] __sys_sendmsg+0xcd/0x170 [ 952.354695][ T903] do_syscall_64+0xc6/0x1e0 [ 952.354695][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.354695][ T903] [ 952.356920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 952.356920][ T903] netdev_get_by_index+0x5e/0x80 [ 952.356920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 952.356920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 952.356920][ T903] ip6_route_add+0x1c/0x140 [ 952.356920][ T903] addrconf_add_mroute+0x129/0x180 [ 952.356920][ T903] addrconf_add_dev+0xe2/0x170 [ 952.356920][ T903] inet6_addr_add+0x12f/0xa40 [ 952.356920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 952.356920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.356920][ T903] netlink_rcv_skb+0x130/0x360 [ 952.356920][ T903] netlink_unicast+0x449/0x710 [ 952.356920][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.356920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.356920][ T903] ___sys_sendmsg+0xee/0x170 [ 952.356920][ T903] __sys_sendmsg+0xcd/0x170 [ 952.356920][ T903] do_syscall_64+0xc6/0x1e0 [ 952.356920][ T903] [ 952.359276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 952.359276][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 952.359276][ T903] ipv6_find_idev+0x102/0x170 [ 952.359276][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.359276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.359276][ T903] netlink_rcv_skb+0x130/0x360 [ 952.359276][ T903] netlink_unicast+0x449/0x710 [ 952.359276][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.359276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.359276][ T903] ___sys_sendmsg+0xee/0x170 [ 952.359276][ T903] __sys_sendmsg+0xcd/0x170 [ 952.359276][ T903] do_syscall_64+0xc6/0x1e0 [ 952.359276][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.359276][ T903] [ 952.360988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 952.360988][ T903] neigh_parms_alloc+0x1e5/0x510 [ 952.360988][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 952.360988][ T903] ipv6_find_idev+0x102/0x170 [ 952.360988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.360988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.360988][ T903] netlink_rcv_skb+0x130/0x360 [ 952.360988][ T903] netlink_unicast+0x449/0x710 [ 952.360988][ T903] netlink_sendmsg+0x723/0xbe0 [ 952.360988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 952.360988][ T903] ___sys_sendmsg+0xee/0x170 [ 952.360988][ T903] __sys_sendmsg+0xcd/0x170 [ 952.360988][ T903] do_syscall_64+0xc6/0x1e0 [ 952.360988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.360988][ T903] [ 962.509824][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 962.510284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 962.510284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 962.510284][ T903] ip6_validate_gw+0x3eb/0x790 [ 962.510284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 962.510284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 962.510284][ T903] ip6_route_add+0x1c/0x140 [ 962.510284][ T903] inet6_rtm_newroute+0x104/0x110 [ 962.510284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.510284][ T903] netlink_rcv_skb+0x130/0x360 [ 962.510284][ T903] netlink_unicast+0x449/0x710 [ 962.510284][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.510284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.510284][ T903] ___sys_sendmsg+0xee/0x170 [ 962.510284][ T903] __sys_sendmsg+0xcd/0x170 [ 962.510284][ T903] do_syscall_64+0xc6/0x1e0 [ 962.510284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.510284][ T903] [ 962.512385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 962.512385][ T903] netdev_get_by_index+0x5e/0x80 [ 962.512385][ T903] fib6_nh_init+0x3d8/0x15b0 [ 962.512385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 962.512385][ T903] ip6_route_add+0x1c/0x140 [ 962.512385][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 962.512385][ T903] inet6_addr_add+0x4f8/0xa40 [ 962.512385][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 962.512385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.512385][ T903] netlink_rcv_skb+0x130/0x360 [ 962.512385][ T903] netlink_unicast+0x449/0x710 [ 962.512385][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.512385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.512385][ T903] ___sys_sendmsg+0xee/0x170 [ 962.512385][ T903] __sys_sendmsg+0xcd/0x170 [ 962.512385][ T903] do_syscall_64+0xc6/0x1e0 [ 962.512385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.512385][ T903] [ 962.514581][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 962.514581][ T903] netdev_get_by_index+0x5e/0x80 [ 962.514581][ T903] fib6_nh_init+0x3d8/0x15b0 [ 962.514581][ T903] ip6_route_info_create+0xf18/0x17d0 [ 962.514581][ T903] addrconf_f6i_alloc+0x244/0x410 [ 962.514581][ T903] ipv6_add_addr+0x411/0x2000 [ 962.514581][ T903] inet6_addr_add+0x30e/0xa40 [ 962.514581][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 962.514581][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.514581][ T903] netlink_rcv_skb+0x130/0x360 [ 962.514581][ T903] netlink_unicast+0x449/0x710 [ 962.514581][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.514581][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.514581][ T903] ___sys_sendmsg+0xee/0x170 [ 962.514581][ T903] __sys_sendmsg+0xcd/0x170 [ 962.514581][ T903] do_syscall_64+0xc6/0x1e0 [ 962.514581][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.514581][ T903] [ 962.516787][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 962.516787][ T903] netdev_get_by_index+0x5e/0x80 [ 962.516787][ T903] fib6_nh_init+0x3d8/0x15b0 [ 962.516787][ T903] ip6_route_info_create+0xf18/0x17d0 [ 962.516787][ T903] ip6_route_add+0x1c/0x140 [ 962.516787][ T903] addrconf_add_mroute+0x129/0x180 [ 962.516787][ T903] addrconf_add_dev+0xe2/0x170 [ 962.516787][ T903] inet6_addr_add+0x12f/0xa40 [ 962.516787][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 962.516787][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.516787][ T903] netlink_rcv_skb+0x130/0x360 [ 962.516787][ T903] netlink_unicast+0x449/0x710 [ 962.516787][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.516787][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.516787][ T903] ___sys_sendmsg+0xee/0x170 [ 962.516787][ T903] __sys_sendmsg+0xcd/0x170 [ 962.516787][ T903] do_syscall_64+0xc6/0x1e0 [ 962.516787][ T903] [ 962.518960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 962.518960][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 962.518960][ T903] ipv6_find_idev+0x102/0x170 [ 962.518960][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.518960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.518960][ T903] netlink_rcv_skb+0x130/0x360 [ 962.518960][ T903] netlink_unicast+0x449/0x710 [ 962.518960][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.518960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.518960][ T903] ___sys_sendmsg+0xee/0x170 [ 962.518960][ T903] __sys_sendmsg+0xcd/0x170 [ 962.518960][ T903] do_syscall_64+0xc6/0x1e0 [ 962.518960][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.518960][ T903] [ 962.520792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 962.520792][ T903] neigh_parms_alloc+0x1e5/0x510 [ 962.520792][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 962.520792][ T903] ipv6_find_idev+0x102/0x170 [ 962.520792][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.520792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.520792][ T903] netlink_rcv_skb+0x130/0x360 [ 962.520792][ T903] netlink_unicast+0x449/0x710 [ 962.520792][ T903] netlink_sendmsg+0x723/0xbe0 [ 962.520792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 962.520792][ T903] ___sys_sendmsg+0xee/0x170 [ 962.520792][ T903] __sys_sendmsg+0xcd/0x170 [ 962.520792][ T903] do_syscall_64+0xc6/0x1e0 [ 962.520792][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.520792][ T903] [ 972.757847][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 972.758493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 972.758493][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 972.758493][ T903] ip6_validate_gw+0x3eb/0x790 [ 972.758493][ T903] fib6_nh_init+0xa5b/0x15b0 [ 972.758493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 972.758493][ T903] ip6_route_add+0x1c/0x140 [ 972.758493][ T903] inet6_rtm_newroute+0x104/0x110 [ 972.758493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.758493][ T903] netlink_rcv_skb+0x130/0x360 [ 972.758493][ T903] netlink_unicast+0x449/0x710 [ 972.758493][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.758493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.758493][ T903] ___sys_sendmsg+0xee/0x170 [ 972.758493][ T903] __sys_sendmsg+0xcd/0x170 [ 972.758493][ T903] do_syscall_64+0xc6/0x1e0 [ 972.758493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.758493][ T903] [ 972.760656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 972.760656][ T903] netdev_get_by_index+0x5e/0x80 [ 972.760656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 972.760656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 972.760656][ T903] ip6_route_add+0x1c/0x140 [ 972.760656][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 972.760656][ T903] inet6_addr_add+0x4f8/0xa40 [ 972.760656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 972.760656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.760656][ T903] netlink_rcv_skb+0x130/0x360 [ 972.760656][ T903] netlink_unicast+0x449/0x710 [ 972.760656][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.760656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.760656][ T903] ___sys_sendmsg+0xee/0x170 [ 972.760656][ T903] __sys_sendmsg+0xcd/0x170 [ 972.760656][ T903] do_syscall_64+0xc6/0x1e0 [ 972.760656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.760656][ T903] [ 972.762860][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 972.762860][ T903] netdev_get_by_index+0x5e/0x80 [ 972.762860][ T903] fib6_nh_init+0x3d8/0x15b0 [ 972.762860][ T903] ip6_route_info_create+0xf18/0x17d0 [ 972.762860][ T903] addrconf_f6i_alloc+0x244/0x410 [ 972.762860][ T903] ipv6_add_addr+0x411/0x2000 [ 972.762860][ T903] inet6_addr_add+0x30e/0xa40 [ 972.762860][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 972.762860][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.762860][ T903] netlink_rcv_skb+0x130/0x360 [ 972.762860][ T903] netlink_unicast+0x449/0x710 [ 972.762860][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.762860][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.762860][ T903] ___sys_sendmsg+0xee/0x170 [ 972.762860][ T903] __sys_sendmsg+0xcd/0x170 [ 972.762860][ T903] do_syscall_64+0xc6/0x1e0 [ 972.762860][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.762860][ T903] [ 972.765067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 972.765067][ T903] netdev_get_by_index+0x5e/0x80 [ 972.765067][ T903] fib6_nh_init+0x3d8/0x15b0 [ 972.765067][ T903] ip6_route_info_create+0xf18/0x17d0 [ 972.765067][ T903] ip6_route_add+0x1c/0x140 [ 972.765067][ T903] addrconf_add_mroute+0x129/0x180 [ 972.765067][ T903] addrconf_add_dev+0xe2/0x170 [ 972.765067][ T903] inet6_addr_add+0x12f/0xa40 [ 972.765067][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 972.765067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.765067][ T903] netlink_rcv_skb+0x130/0x360 [ 972.765067][ T903] netlink_unicast+0x449/0x710 [ 972.765067][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.765067][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.765067][ T903] ___sys_sendmsg+0xee/0x170 [ 972.765067][ T903] __sys_sendmsg+0xcd/0x170 [ 972.765067][ T903] do_syscall_64+0xc6/0x1e0 [ 972.765067][ T903] [ 972.767247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 972.767247][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 972.767247][ T903] ipv6_find_idev+0x102/0x170 [ 972.767247][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.767247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.767247][ T903] netlink_rcv_skb+0x130/0x360 [ 972.767247][ T903] netlink_unicast+0x449/0x710 [ 972.767247][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.767247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.767247][ T903] ___sys_sendmsg+0xee/0x170 [ 972.767247][ T903] __sys_sendmsg+0xcd/0x170 [ 972.767247][ T903] do_syscall_64+0xc6/0x1e0 [ 972.767247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.767247][ T903] [ 972.768945][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 972.768945][ T903] neigh_parms_alloc+0x1e5/0x510 [ 972.768945][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 972.768945][ T903] ipv6_find_idev+0x102/0x170 [ 972.768945][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.768945][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.768945][ T903] netlink_rcv_skb+0x130/0x360 [ 972.768945][ T903] netlink_unicast+0x449/0x710 [ 972.768945][ T903] netlink_sendmsg+0x723/0xbe0 [ 972.768945][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 972.768945][ T903] ___sys_sendmsg+0xee/0x170 [ 972.768945][ T903] __sys_sendmsg+0xcd/0x170 [ 972.768945][ T903] do_syscall_64+0xc6/0x1e0 [ 972.768945][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.768945][ T903] [ 983.013839][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 983.014396][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 983.014396][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 983.014396][ T903] ip6_validate_gw+0x3eb/0x790 [ 983.014396][ T903] fib6_nh_init+0xa5b/0x15b0 [ 983.014396][ T903] ip6_route_info_create+0xf18/0x17d0 [ 983.014396][ T903] ip6_route_add+0x1c/0x140 [ 983.014396][ T903] inet6_rtm_newroute+0x104/0x110 [ 983.014396][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.014396][ T903] netlink_rcv_skb+0x130/0x360 [ 983.014396][ T903] netlink_unicast+0x449/0x710 [ 983.014396][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.014396][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.014396][ T903] ___sys_sendmsg+0xee/0x170 [ 983.014396][ T903] __sys_sendmsg+0xcd/0x170 [ 983.014396][ T903] do_syscall_64+0xc6/0x1e0 [ 983.014396][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.014396][ T903] [ 983.016891][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 983.016891][ T903] netdev_get_by_index+0x5e/0x80 [ 983.016891][ T903] fib6_nh_init+0x3d8/0x15b0 [ 983.016891][ T903] ip6_route_info_create+0xf18/0x17d0 [ 983.016891][ T903] ip6_route_add+0x1c/0x140 [ 983.016891][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 983.016891][ T903] inet6_addr_add+0x4f8/0xa40 [ 983.016891][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 983.016891][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.016891][ T903] netlink_rcv_skb+0x130/0x360 [ 983.016891][ T903] netlink_unicast+0x449/0x710 [ 983.016891][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.016891][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.016891][ T903] ___sys_sendmsg+0xee/0x170 [ 983.016891][ T903] __sys_sendmsg+0xcd/0x170 [ 983.016891][ T903] do_syscall_64+0xc6/0x1e0 [ 983.016891][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.016891][ T903] [ 983.019101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 983.019101][ T903] netdev_get_by_index+0x5e/0x80 [ 983.019101][ T903] fib6_nh_init+0x3d8/0x15b0 [ 983.019101][ T903] ip6_route_info_create+0xf18/0x17d0 [ 983.019101][ T903] addrconf_f6i_alloc+0x244/0x410 [ 983.019101][ T903] ipv6_add_addr+0x411/0x2000 [ 983.019101][ T903] inet6_addr_add+0x30e/0xa40 [ 983.019101][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 983.019101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.019101][ T903] netlink_rcv_skb+0x130/0x360 [ 983.019101][ T903] netlink_unicast+0x449/0x710 [ 983.019101][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.019101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.019101][ T903] ___sys_sendmsg+0xee/0x170 [ 983.019101][ T903] __sys_sendmsg+0xcd/0x170 [ 983.019101][ T903] do_syscall_64+0xc6/0x1e0 [ 983.019101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.019101][ T903] [ 983.021298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 983.021298][ T903] netdev_get_by_index+0x5e/0x80 [ 983.021298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 983.021298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 983.021298][ T903] ip6_route_add+0x1c/0x140 [ 983.021298][ T903] addrconf_add_mroute+0x129/0x180 [ 983.021298][ T903] addrconf_add_dev+0xe2/0x170 [ 983.021298][ T903] inet6_addr_add+0x12f/0xa40 [ 983.021298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 983.021298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.021298][ T903] netlink_rcv_skb+0x130/0x360 [ 983.021298][ T903] netlink_unicast+0x449/0x710 [ 983.021298][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.021298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.021298][ T903] ___sys_sendmsg+0xee/0x170 [ 983.021298][ T903] __sys_sendmsg+0xcd/0x170 [ 983.021298][ T903] do_syscall_64+0xc6/0x1e0 [ 983.021298][ T903] [ 983.023458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 983.023458][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 983.023458][ T903] ipv6_find_idev+0x102/0x170 [ 983.023458][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.023458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.023458][ T903] netlink_rcv_skb+0x130/0x360 [ 983.023458][ T903] netlink_unicast+0x449/0x710 [ 983.023458][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.023458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.023458][ T903] ___sys_sendmsg+0xee/0x170 [ 983.023458][ T903] __sys_sendmsg+0xcd/0x170 [ 983.023458][ T903] do_syscall_64+0xc6/0x1e0 [ 983.023458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.023458][ T903] [ 983.025148][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 983.025148][ T903] neigh_parms_alloc+0x1e5/0x510 [ 983.025148][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 983.025148][ T903] ipv6_find_idev+0x102/0x170 [ 983.025148][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.025148][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.025148][ T903] netlink_rcv_skb+0x130/0x360 [ 983.025148][ T903] netlink_unicast+0x449/0x710 [ 983.025148][ T903] netlink_sendmsg+0x723/0xbe0 [ 983.025148][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 983.025148][ T903] ___sys_sendmsg+0xee/0x170 [ 983.025148][ T903] __sys_sendmsg+0xcd/0x170 [ 983.025148][ T903] do_syscall_64+0xc6/0x1e0 [ 983.025148][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.025148][ T903] [ 993.101827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 993.102338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 993.102338][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 993.102338][ T903] ip6_validate_gw+0x3eb/0x790 [ 993.102338][ T903] fib6_nh_init+0xa5b/0x15b0 [ 993.102338][ T903] ip6_route_info_create+0xf18/0x17d0 [ 993.102338][ T903] ip6_route_add+0x1c/0x140 [ 993.102338][ T903] inet6_rtm_newroute+0x104/0x110 [ 993.102338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.102338][ T903] netlink_rcv_skb+0x130/0x360 [ 993.102338][ T903] netlink_unicast+0x449/0x710 [ 993.102338][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.102338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.102338][ T903] ___sys_sendmsg+0xee/0x170 [ 993.102338][ T903] __sys_sendmsg+0xcd/0x170 [ 993.102338][ T903] do_syscall_64+0xc6/0x1e0 [ 993.102338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.102338][ T903] [ 993.104436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 993.104436][ T903] netdev_get_by_index+0x5e/0x80 [ 993.104436][ T903] fib6_nh_init+0x3d8/0x15b0 [ 993.104436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 993.104436][ T903] ip6_route_add+0x1c/0x140 [ 993.104436][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 993.104436][ T903] inet6_addr_add+0x4f8/0xa40 [ 993.104436][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 993.104436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.104436][ T903] netlink_rcv_skb+0x130/0x360 [ 993.104436][ T903] netlink_unicast+0x449/0x710 [ 993.104436][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.104436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.104436][ T903] ___sys_sendmsg+0xee/0x170 [ 993.104436][ T903] __sys_sendmsg+0xcd/0x170 [ 993.104436][ T903] do_syscall_64+0xc6/0x1e0 [ 993.104436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.104436][ T903] [ 993.106621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 993.106621][ T903] netdev_get_by_index+0x5e/0x80 [ 993.106621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 993.106621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 993.106621][ T903] addrconf_f6i_alloc+0x244/0x410 [ 993.106621][ T903] ipv6_add_addr+0x411/0x2000 [ 993.106621][ T903] inet6_addr_add+0x30e/0xa40 [ 993.106621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 993.106621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.106621][ T903] netlink_rcv_skb+0x130/0x360 [ 993.106621][ T903] netlink_unicast+0x449/0x710 [ 993.106621][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.106621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.106621][ T903] ___sys_sendmsg+0xee/0x170 [ 993.106621][ T903] __sys_sendmsg+0xcd/0x170 [ 993.106621][ T903] do_syscall_64+0xc6/0x1e0 [ 993.106621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.106621][ T903] [ 993.108818][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 993.108818][ T903] netdev_get_by_index+0x5e/0x80 [ 993.108818][ T903] fib6_nh_init+0x3d8/0x15b0 [ 993.108818][ T903] ip6_route_info_create+0xf18/0x17d0 [ 993.108818][ T903] ip6_route_add+0x1c/0x140 [ 993.108818][ T903] addrconf_add_mroute+0x129/0x180 [ 993.108818][ T903] addrconf_add_dev+0xe2/0x170 [ 993.108818][ T903] inet6_addr_add+0x12f/0xa40 [ 993.108818][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 993.108818][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.108818][ T903] netlink_rcv_skb+0x130/0x360 [ 993.108818][ T903] netlink_unicast+0x449/0x710 [ 993.108818][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.108818][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.108818][ T903] ___sys_sendmsg+0xee/0x170 [ 993.108818][ T903] __sys_sendmsg+0xcd/0x170 [ 993.108818][ T903] do_syscall_64+0xc6/0x1e0 [ 993.108818][ T903] [ 993.111036][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 993.111036][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 993.111036][ T903] ipv6_find_idev+0x102/0x170 [ 993.111036][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.111036][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.111036][ T903] netlink_rcv_skb+0x130/0x360 [ 993.111036][ T903] netlink_unicast+0x449/0x710 [ 993.111036][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.111036][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.111036][ T903] ___sys_sendmsg+0xee/0x170 [ 993.111036][ T903] __sys_sendmsg+0xcd/0x170 [ 993.111036][ T903] do_syscall_64+0xc6/0x1e0 [ 993.111036][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.111036][ T903] [ 993.112731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 993.112731][ T903] neigh_parms_alloc+0x1e5/0x510 [ 993.112731][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 993.112731][ T903] ipv6_find_idev+0x102/0x170 [ 993.112731][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 993.112731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 993.112731][ T903] netlink_rcv_skb+0x130/0x360 [ 993.112731][ T903] netlink_unicast+0x449/0x710 [ 993.112731][ T903] netlink_sendmsg+0x723/0xbe0 [ 993.112731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 993.112731][ T903] ___sys_sendmsg+0xee/0x170 [ 993.112731][ T903] __sys_sendmsg+0xcd/0x170 [ 993.112731][ T903] do_syscall_64+0xc6/0x1e0 [ 993.112731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 993.112731][ T903] [ 1003.349738][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1003.350252][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1003.350252][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1003.350252][ T903] ip6_validate_gw+0x3eb/0x790 [ 1003.350252][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1003.350252][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1003.350252][ T903] ip6_route_add+0x1c/0x140 [ 1003.350252][ T903] inet6_rtm_newroute+0x104/0x110 [ 1003.350252][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.350252][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.350252][ T903] netlink_unicast+0x449/0x710 [ 1003.350252][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.350252][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.350252][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.350252][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.350252][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.350252][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.350252][ T903] [ 1003.352348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1003.352348][ T903] netdev_get_by_index+0x5e/0x80 [ 1003.352348][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1003.352348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1003.352348][ T903] ip6_route_add+0x1c/0x140 [ 1003.352348][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1003.352348][ T903] inet6_addr_add+0x4f8/0xa40 [ 1003.352348][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.352348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.352348][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.352348][ T903] netlink_unicast+0x449/0x710 [ 1003.352348][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.352348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.352348][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.352348][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.352348][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.352348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.352348][ T903] [ 1003.354552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1003.354552][ T903] netdev_get_by_index+0x5e/0x80 [ 1003.354552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1003.354552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1003.354552][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1003.354552][ T903] ipv6_add_addr+0x411/0x2000 [ 1003.354552][ T903] inet6_addr_add+0x30e/0xa40 [ 1003.354552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.354552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.354552][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.354552][ T903] netlink_unicast+0x449/0x710 [ 1003.354552][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.354552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.354552][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.354552][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.354552][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.354552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.354552][ T903] [ 1003.356745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1003.356745][ T903] netdev_get_by_index+0x5e/0x80 [ 1003.356745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1003.356745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1003.356745][ T903] ip6_route_add+0x1c/0x140 [ 1003.356745][ T903] addrconf_add_mroute+0x129/0x180 [ 1003.356745][ T903] addrconf_add_dev+0xe2/0x170 [ 1003.356745][ T903] inet6_addr_add+0x12f/0xa40 [ 1003.356745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.356745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.356745][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.356745][ T903] netlink_unicast+0x449/0x710 [ 1003.356745][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.356745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.356745][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.356745][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.356745][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.356745][ T903] [ 1003.358904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1003.358904][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1003.358904][ T903] ipv6_find_idev+0x102/0x170 [ 1003.358904][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.358904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.358904][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.358904][ T903] netlink_unicast+0x449/0x710 [ 1003.358904][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.358904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.358904][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.358904][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.358904][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.358904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.358904][ T903] [ 1003.360589][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1003.360589][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1003.360589][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1003.360589][ T903] ipv6_find_idev+0x102/0x170 [ 1003.360589][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.360589][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.360589][ T903] netlink_rcv_skb+0x130/0x360 [ 1003.360589][ T903] netlink_unicast+0x449/0x710 [ 1003.360589][ T903] netlink_sendmsg+0x723/0xbe0 [ 1003.360589][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1003.360589][ T903] ___sys_sendmsg+0xee/0x170 [ 1003.360589][ T903] __sys_sendmsg+0xcd/0x170 [ 1003.360589][ T903] do_syscall_64+0xc6/0x1e0 [ 1003.360589][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.360589][ T903] [ 1013.597732][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1013.598305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1013.598305][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1013.598305][ T903] ip6_validate_gw+0x3eb/0x790 [ 1013.598305][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1013.598305][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1013.598305][ T903] ip6_route_add+0x1c/0x140 [ 1013.598305][ T903] inet6_rtm_newroute+0x104/0x110 [ 1013.598305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.598305][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.598305][ T903] netlink_unicast+0x449/0x710 [ 1013.598305][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.598305][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.598305][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.598305][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.598305][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.598305][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.598305][ T903] [ 1013.600430][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1013.600430][ T903] netdev_get_by_index+0x5e/0x80 [ 1013.600430][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1013.600430][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1013.600430][ T903] ip6_route_add+0x1c/0x140 [ 1013.600430][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1013.600430][ T903] inet6_addr_add+0x4f8/0xa40 [ 1013.600430][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.600430][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.600430][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.600430][ T903] netlink_unicast+0x449/0x710 [ 1013.600430][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.600430][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.600430][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.600430][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.600430][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.600430][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.600430][ T903] [ 1013.602653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1013.602653][ T903] netdev_get_by_index+0x5e/0x80 [ 1013.602653][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1013.602653][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1013.602653][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1013.602653][ T903] ipv6_add_addr+0x411/0x2000 [ 1013.602653][ T903] inet6_addr_add+0x30e/0xa40 [ 1013.602653][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.602653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.602653][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.602653][ T903] netlink_unicast+0x449/0x710 [ 1013.602653][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.602653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.602653][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.602653][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.602653][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.602653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.602653][ T903] [ 1013.604874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1013.604874][ T903] netdev_get_by_index+0x5e/0x80 [ 1013.604874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1013.604874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1013.604874][ T903] ip6_route_add+0x1c/0x140 [ 1013.604874][ T903] addrconf_add_mroute+0x129/0x180 [ 1013.604874][ T903] addrconf_add_dev+0xe2/0x170 [ 1013.604874][ T903] inet6_addr_add+0x12f/0xa40 [ 1013.604874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.604874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.604874][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.604874][ T903] netlink_unicast+0x449/0x710 [ 1013.604874][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.604874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.604874][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.604874][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.604874][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.604874][ T903] [ 1013.607072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1013.607072][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1013.607072][ T903] ipv6_find_idev+0x102/0x170 [ 1013.607072][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.607072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.607072][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.607072][ T903] netlink_unicast+0x449/0x710 [ 1013.607072][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.607072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.607072][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.607072][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.607072][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.607072][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.607072][ T903] [ 1013.608791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1013.608791][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1013.608791][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1013.608791][ T903] ipv6_find_idev+0x102/0x170 [ 1013.608791][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.608791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.608791][ T903] netlink_rcv_skb+0x130/0x360 [ 1013.608791][ T903] netlink_unicast+0x449/0x710 [ 1013.608791][ T903] netlink_sendmsg+0x723/0xbe0 [ 1013.608791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1013.608791][ T903] ___sys_sendmsg+0xee/0x170 [ 1013.608791][ T903] __sys_sendmsg+0xcd/0x170 [ 1013.608791][ T903] do_syscall_64+0xc6/0x1e0 [ 1013.608791][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.608791][ T903] [ 1023.853812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1023.854262][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1023.854262][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1023.854262][ T903] ip6_validate_gw+0x3eb/0x790 [ 1023.854262][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1023.854262][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1023.854262][ T903] ip6_route_add+0x1c/0x140 [ 1023.854262][ T903] inet6_rtm_newroute+0x104/0x110 [ 1023.854262][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.854262][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.854262][ T903] netlink_unicast+0x449/0x710 [ 1023.854262][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.854262][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.854262][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.854262][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.854262][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.854262][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.854262][ T903] [ 1023.856339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1023.856339][ T903] netdev_get_by_index+0x5e/0x80 [ 1023.856339][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1023.856339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1023.856339][ T903] ip6_route_add+0x1c/0x140 [ 1023.856339][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1023.856339][ T903] inet6_addr_add+0x4f8/0xa40 [ 1023.856339][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.856339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.856339][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.856339][ T903] netlink_unicast+0x449/0x710 [ 1023.856339][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.856339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.856339][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.856339][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.856339][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.856339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.856339][ T903] [ 1023.858534][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1023.858534][ T903] netdev_get_by_index+0x5e/0x80 [ 1023.858534][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1023.858534][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1023.858534][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1023.858534][ T903] ipv6_add_addr+0x411/0x2000 [ 1023.858534][ T903] inet6_addr_add+0x30e/0xa40 [ 1023.858534][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.858534][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.858534][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.858534][ T903] netlink_unicast+0x449/0x710 [ 1023.858534][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.858534][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.858534][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.858534][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.858534][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.858534][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.858534][ T903] [ 1023.860719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1023.860719][ T903] netdev_get_by_index+0x5e/0x80 [ 1023.860719][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1023.860719][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1023.860719][ T903] ip6_route_add+0x1c/0x140 [ 1023.860719][ T903] addrconf_add_mroute+0x129/0x180 [ 1023.860719][ T903] addrconf_add_dev+0xe2/0x170 [ 1023.860719][ T903] inet6_addr_add+0x12f/0xa40 [ 1023.860719][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.860719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.860719][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.860719][ T903] netlink_unicast+0x449/0x710 [ 1023.860719][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.860719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.860719][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.860719][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.860719][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.860719][ T903] [ 1023.862865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1023.862865][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1023.862865][ T903] ipv6_find_idev+0x102/0x170 [ 1023.862865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.862865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.862865][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.862865][ T903] netlink_unicast+0x449/0x710 [ 1023.862865][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.862865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.862865][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.862865][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.862865][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.862865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.862865][ T903] [ 1023.864545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1023.864545][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1023.864545][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1023.864545][ T903] ipv6_find_idev+0x102/0x170 [ 1023.864545][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.864545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.864545][ T903] netlink_rcv_skb+0x130/0x360 [ 1023.864545][ T903] netlink_unicast+0x449/0x710 [ 1023.864545][ T903] netlink_sendmsg+0x723/0xbe0 [ 1023.864545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1023.864545][ T903] ___sys_sendmsg+0xee/0x170 [ 1023.864545][ T903] __sys_sendmsg+0xcd/0x170 [ 1023.864545][ T903] do_syscall_64+0xc6/0x1e0 [ 1023.864545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.864545][ T903] [ 1034.101804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1034.102256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1034.102256][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1034.102256][ T903] ip6_validate_gw+0x3eb/0x790 [ 1034.102256][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1034.102256][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1034.102256][ T903] ip6_route_add+0x1c/0x140 [ 1034.102256][ T903] inet6_rtm_newroute+0x104/0x110 [ 1034.102256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.102256][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.102256][ T903] netlink_unicast+0x449/0x710 [ 1034.102256][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.102256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.102256][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.102256][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.102256][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.102256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.102256][ T903] [ 1034.104350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1034.104350][ T903] netdev_get_by_index+0x5e/0x80 [ 1034.104350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1034.104350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1034.104350][ T903] ip6_route_add+0x1c/0x140 [ 1034.104350][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1034.104350][ T903] inet6_addr_add+0x4f8/0xa40 [ 1034.104350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.104350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.104350][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.104350][ T903] netlink_unicast+0x449/0x710 [ 1034.104350][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.104350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.104350][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.104350][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.104350][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.104350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.104350][ T903] [ 1034.106554][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1034.106554][ T903] netdev_get_by_index+0x5e/0x80 [ 1034.106554][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1034.106554][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1034.106554][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1034.106554][ T903] ipv6_add_addr+0x411/0x2000 [ 1034.106554][ T903] inet6_addr_add+0x30e/0xa40 [ 1034.106554][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.106554][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.106554][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.106554][ T903] netlink_unicast+0x449/0x710 [ 1034.106554][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.106554][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.106554][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.106554][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.106554][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.106554][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.106554][ T903] [ 1034.108758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1034.108758][ T903] netdev_get_by_index+0x5e/0x80 [ 1034.108758][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1034.108758][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1034.108758][ T903] ip6_route_add+0x1c/0x140 [ 1034.108758][ T903] addrconf_add_mroute+0x129/0x180 [ 1034.108758][ T903] addrconf_add_dev+0xe2/0x170 [ 1034.108758][ T903] inet6_addr_add+0x12f/0xa40 [ 1034.108758][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1034.108758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.108758][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.108758][ T903] netlink_unicast+0x449/0x710 [ 1034.108758][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.108758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.108758][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.108758][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.108758][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.108758][ T903] [ 1034.110910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1034.110910][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1034.110910][ T903] ipv6_find_idev+0x102/0x170 [ 1034.110910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.110910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.110910][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.110910][ T903] netlink_unicast+0x449/0x710 [ 1034.110910][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.110910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.110910][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.110910][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.110910][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.110910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.110910][ T903] [ 1034.112595][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1034.112595][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1034.112595][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1034.112595][ T903] ipv6_find_idev+0x102/0x170 [ 1034.112595][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1034.112595][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1034.112595][ T903] netlink_rcv_skb+0x130/0x360 [ 1034.112595][ T903] netlink_unicast+0x449/0x710 [ 1034.112595][ T903] netlink_sendmsg+0x723/0xbe0 [ 1034.112595][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1034.112595][ T903] ___sys_sendmsg+0xee/0x170 [ 1034.112595][ T903] __sys_sendmsg+0xcd/0x170 [ 1034.112595][ T903] do_syscall_64+0xc6/0x1e0 [ 1034.112595][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1034.112595][ T903] [ 1044.117761][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1044.118477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1044.118477][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1044.118477][ T903] ip6_validate_gw+0x3eb/0x790 [ 1044.118477][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1044.118477][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1044.118477][ T903] ip6_route_add+0x1c/0x140 [ 1044.118477][ T903] inet6_rtm_newroute+0x104/0x110 [ 1044.118477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.118477][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.118477][ T903] netlink_unicast+0x449/0x710 [ 1044.118477][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.118477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.118477][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.118477][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.118477][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.118477][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.118477][ T903] [ 1044.121805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1044.121805][ T903] netdev_get_by_index+0x5e/0x80 [ 1044.121805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1044.121805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1044.121805][ T903] ip6_route_add+0x1c/0x140 [ 1044.121805][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1044.121805][ T903] inet6_addr_add+0x4f8/0xa40 [ 1044.121805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.121805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.121805][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.121805][ T903] netlink_unicast+0x449/0x710 [ 1044.121805][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.121805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.121805][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.121805][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.121805][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.121805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.121805][ T903] [ 1044.125360][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1044.125360][ T903] netdev_get_by_index+0x5e/0x80 [ 1044.125360][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1044.125360][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1044.125360][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1044.125360][ T903] ipv6_add_addr+0x411/0x2000 [ 1044.125360][ T903] inet6_addr_add+0x30e/0xa40 [ 1044.125360][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.125360][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.125360][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.125360][ T903] netlink_unicast+0x449/0x710 [ 1044.125360][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.125360][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.125360][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.125360][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.125360][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.125360][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.125360][ T903] [ 1044.128925][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1044.128925][ T903] netdev_get_by_index+0x5e/0x80 [ 1044.128925][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1044.128925][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1044.128925][ T903] ip6_route_add+0x1c/0x140 [ 1044.128925][ T903] addrconf_add_mroute+0x129/0x180 [ 1044.128925][ T903] addrconf_add_dev+0xe2/0x170 [ 1044.128925][ T903] inet6_addr_add+0x12f/0xa40 [ 1044.128925][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1044.128925][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.128925][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.128925][ T903] netlink_unicast+0x449/0x710 [ 1044.128925][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.128925][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.128925][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.128925][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.128925][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.128925][ T903] [ 1044.132393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1044.132393][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1044.132393][ T903] ipv6_find_idev+0x102/0x170 [ 1044.132393][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.132393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.132393][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.132393][ T903] netlink_unicast+0x449/0x710 [ 1044.132393][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.132393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.132393][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.132393][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.132393][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.132393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.132393][ T903] [ 1044.135115][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1044.135115][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1044.135115][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1044.135115][ T903] ipv6_find_idev+0x102/0x170 [ 1044.135115][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1044.135115][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1044.135115][ T903] netlink_rcv_skb+0x130/0x360 [ 1044.135115][ T903] netlink_unicast+0x449/0x710 [ 1044.135115][ T903] netlink_sendmsg+0x723/0xbe0 [ 1044.135115][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1044.135115][ T903] ___sys_sendmsg+0xee/0x170 [ 1044.135115][ T903] __sys_sendmsg+0xcd/0x170 [ 1044.135115][ T903] do_syscall_64+0xc6/0x1e0 [ 1044.135115][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1044.135115][ T903] [ 1054.381739][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1054.382284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1054.382284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1054.382284][ T903] ip6_validate_gw+0x3eb/0x790 [ 1054.382284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1054.382284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1054.382284][ T903] ip6_route_add+0x1c/0x140 [ 1054.382284][ T903] inet6_rtm_newroute+0x104/0x110 [ 1054.382284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.382284][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.382284][ T903] netlink_unicast+0x449/0x710 [ 1054.382284][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.382284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.382284][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.382284][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.382284][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.382284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.382284][ T903] [ 1054.384402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1054.384402][ T903] netdev_get_by_index+0x5e/0x80 [ 1054.384402][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1054.384402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1054.384402][ T903] ip6_route_add+0x1c/0x140 [ 1054.384402][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1054.384402][ T903] inet6_addr_add+0x4f8/0xa40 [ 1054.384402][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.384402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.384402][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.384402][ T903] netlink_unicast+0x449/0x710 [ 1054.384402][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.384402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.384402][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.384402][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.384402][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.384402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.384402][ T903] [ 1054.386616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1054.386616][ T903] netdev_get_by_index+0x5e/0x80 [ 1054.386616][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1054.386616][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1054.386616][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1054.386616][ T903] ipv6_add_addr+0x411/0x2000 [ 1054.386616][ T903] inet6_addr_add+0x30e/0xa40 [ 1054.386616][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.386616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.386616][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.386616][ T903] netlink_unicast+0x449/0x710 [ 1054.386616][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.386616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.386616][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.386616][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.386616][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.386616][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.386616][ T903] [ 1054.388915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1054.388915][ T903] netdev_get_by_index+0x5e/0x80 [ 1054.388915][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1054.388915][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1054.388915][ T903] ip6_route_add+0x1c/0x140 [ 1054.388915][ T903] addrconf_add_mroute+0x129/0x180 [ 1054.388915][ T903] addrconf_add_dev+0xe2/0x170 [ 1054.388915][ T903] inet6_addr_add+0x12f/0xa40 [ 1054.388915][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1054.388915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.388915][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.388915][ T903] netlink_unicast+0x449/0x710 [ 1054.388915][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.388915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.388915][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.388915][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.388915][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.388915][ T903] [ 1054.391097][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1054.391097][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1054.391097][ T903] ipv6_find_idev+0x102/0x170 [ 1054.391097][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.391097][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.391097][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.391097][ T903] netlink_unicast+0x449/0x710 [ 1054.391097][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.391097][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.391097][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.391097][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.391097][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.391097][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.391097][ T903] [ 1054.392784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1054.392784][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1054.392784][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1054.392784][ T903] ipv6_find_idev+0x102/0x170 [ 1054.392784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.392784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.392784][ T903] netlink_rcv_skb+0x130/0x360 [ 1054.392784][ T903] netlink_unicast+0x449/0x710 [ 1054.392784][ T903] netlink_sendmsg+0x723/0xbe0 [ 1054.392784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1054.392784][ T903] ___sys_sendmsg+0xee/0x170 [ 1054.392784][ T903] __sys_sendmsg+0xcd/0x170 [ 1054.392784][ T903] do_syscall_64+0xc6/0x1e0 [ 1054.392784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.392784][ T903] [ 1064.637732][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1064.638179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1064.638179][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1064.638179][ T903] ip6_validate_gw+0x3eb/0x790 [ 1064.638179][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1064.638179][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1064.638179][ T903] ip6_route_add+0x1c/0x140 [ 1064.638179][ T903] inet6_rtm_newroute+0x104/0x110 [ 1064.638179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.638179][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.638179][ T903] netlink_unicast+0x449/0x710 [ 1064.638179][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.638179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.638179][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.638179][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.638179][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.638179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.638179][ T903] [ 1064.640267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1064.640267][ T903] netdev_get_by_index+0x5e/0x80 [ 1064.640267][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1064.640267][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1064.640267][ T903] ip6_route_add+0x1c/0x140 [ 1064.640267][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1064.640267][ T903] inet6_addr_add+0x4f8/0xa40 [ 1064.640267][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.640267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.640267][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.640267][ T903] netlink_unicast+0x449/0x710 [ 1064.640267][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.640267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.640267][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.640267][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.640267][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.640267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.640267][ T903] [ 1064.642463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1064.642463][ T903] netdev_get_by_index+0x5e/0x80 [ 1064.642463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1064.642463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1064.642463][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1064.642463][ T903] ipv6_add_addr+0x411/0x2000 [ 1064.642463][ T903] inet6_addr_add+0x30e/0xa40 [ 1064.642463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.642463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.642463][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.642463][ T903] netlink_unicast+0x449/0x710 [ 1064.642463][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.642463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.642463][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.642463][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.642463][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.642463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.642463][ T903] [ 1064.644650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1064.644650][ T903] netdev_get_by_index+0x5e/0x80 [ 1064.644650][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1064.644650][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1064.644650][ T903] ip6_route_add+0x1c/0x140 [ 1064.644650][ T903] addrconf_add_mroute+0x129/0x180 [ 1064.644650][ T903] addrconf_add_dev+0xe2/0x170 [ 1064.644650][ T903] inet6_addr_add+0x12f/0xa40 [ 1064.644650][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.644650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.644650][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.644650][ T903] netlink_unicast+0x449/0x710 [ 1064.644650][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.644650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.644650][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.644650][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.644650][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.644650][ T903] [ 1064.646816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1064.646816][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1064.646816][ T903] ipv6_find_idev+0x102/0x170 [ 1064.646816][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.646816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.646816][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.646816][ T903] netlink_unicast+0x449/0x710 [ 1064.646816][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.646816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.646816][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.646816][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.646816][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.646816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.646816][ T903] [ 1064.648627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1064.648627][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1064.648627][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1064.648627][ T903] ipv6_find_idev+0x102/0x170 [ 1064.648627][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.648627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.648627][ T903] netlink_rcv_skb+0x130/0x360 [ 1064.648627][ T903] netlink_unicast+0x449/0x710 [ 1064.648627][ T903] netlink_sendmsg+0x723/0xbe0 [ 1064.648627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1064.648627][ T903] ___sys_sendmsg+0xee/0x170 [ 1064.648627][ T903] __sys_sendmsg+0xcd/0x170 [ 1064.648627][ T903] do_syscall_64+0xc6/0x1e0 [ 1064.648627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.648627][ T903] [ 1074.901829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1074.902334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1074.902334][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1074.902334][ T903] ip6_validate_gw+0x3eb/0x790 [ 1074.902334][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1074.902334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1074.902334][ T903] ip6_route_add+0x1c/0x140 [ 1074.902334][ T903] inet6_rtm_newroute+0x104/0x110 [ 1074.902334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.902334][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.902334][ T903] netlink_unicast+0x449/0x710 [ 1074.902334][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.902334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.902334][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.902334][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.902334][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.902334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.902334][ T903] [ 1074.904419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1074.904419][ T903] netdev_get_by_index+0x5e/0x80 [ 1074.904419][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1074.904419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1074.904419][ T903] ip6_route_add+0x1c/0x140 [ 1074.904419][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1074.904419][ T903] inet6_addr_add+0x4f8/0xa40 [ 1074.904419][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.904419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.904419][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.904419][ T903] netlink_unicast+0x449/0x710 [ 1074.904419][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.904419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.904419][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.904419][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.904419][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.904419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.904419][ T903] [ 1074.906607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1074.906607][ T903] netdev_get_by_index+0x5e/0x80 [ 1074.906607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1074.906607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1074.906607][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1074.906607][ T903] ipv6_add_addr+0x411/0x2000 [ 1074.906607][ T903] inet6_addr_add+0x30e/0xa40 [ 1074.906607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.906607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.906607][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.906607][ T903] netlink_unicast+0x449/0x710 [ 1074.906607][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.906607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.906607][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.906607][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.906607][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.906607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.906607][ T903] [ 1074.908819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1074.908819][ T903] netdev_get_by_index+0x5e/0x80 [ 1074.908819][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1074.908819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1074.908819][ T903] ip6_route_add+0x1c/0x140 [ 1074.908819][ T903] addrconf_add_mroute+0x129/0x180 [ 1074.908819][ T903] addrconf_add_dev+0xe2/0x170 [ 1074.908819][ T903] inet6_addr_add+0x12f/0xa40 [ 1074.908819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.908819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.908819][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.908819][ T903] netlink_unicast+0x449/0x710 [ 1074.908819][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.908819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.908819][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.908819][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.908819][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.908819][ T903] [ 1074.910967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1074.910967][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1074.910967][ T903] ipv6_find_idev+0x102/0x170 [ 1074.910967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.910967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.910967][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.910967][ T903] netlink_unicast+0x449/0x710 [ 1074.910967][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.910967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.910967][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.910967][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.910967][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.910967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.910967][ T903] [ 1074.912643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1074.912643][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1074.912643][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1074.912643][ T903] ipv6_find_idev+0x102/0x170 [ 1074.912643][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.912643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.912643][ T903] netlink_rcv_skb+0x130/0x360 [ 1074.912643][ T903] netlink_unicast+0x449/0x710 [ 1074.912643][ T903] netlink_sendmsg+0x723/0xbe0 [ 1074.912643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1074.912643][ T903] ___sys_sendmsg+0xee/0x170 [ 1074.912643][ T903] __sys_sendmsg+0xcd/0x170 [ 1074.912643][ T903] do_syscall_64+0xc6/0x1e0 [ 1074.912643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.912643][ T903] [ 1085.157807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1085.158309][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1085.158309][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1085.158309][ T903] ip6_validate_gw+0x3eb/0x790 [ 1085.158309][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1085.158309][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1085.158309][ T903] ip6_route_add+0x1c/0x140 [ 1085.158309][ T903] inet6_rtm_newroute+0x104/0x110 [ 1085.158309][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.158309][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.158309][ T903] netlink_unicast+0x449/0x710 [ 1085.158309][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.158309][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.158309][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.158309][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.158309][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.158309][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.158309][ T903] [ 1085.160403][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1085.160403][ T903] netdev_get_by_index+0x5e/0x80 [ 1085.160403][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1085.160403][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1085.160403][ T903] ip6_route_add+0x1c/0x140 [ 1085.160403][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1085.160403][ T903] inet6_addr_add+0x4f8/0xa40 [ 1085.160403][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.160403][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.160403][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.160403][ T903] netlink_unicast+0x449/0x710 [ 1085.160403][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.160403][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.160403][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.160403][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.160403][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.160403][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.160403][ T903] [ 1085.162702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1085.162702][ T903] netdev_get_by_index+0x5e/0x80 [ 1085.162702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1085.162702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1085.162702][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1085.162702][ T903] ipv6_add_addr+0x411/0x2000 [ 1085.162702][ T903] inet6_addr_add+0x30e/0xa40 [ 1085.162702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.162702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.162702][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.162702][ T903] netlink_unicast+0x449/0x710 [ 1085.162702][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.162702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.162702][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.162702][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.162702][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.162702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.162702][ T903] [ 1085.164905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1085.164905][ T903] netdev_get_by_index+0x5e/0x80 [ 1085.164905][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1085.164905][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1085.164905][ T903] ip6_route_add+0x1c/0x140 [ 1085.164905][ T903] addrconf_add_mroute+0x129/0x180 [ 1085.164905][ T903] addrconf_add_dev+0xe2/0x170 [ 1085.164905][ T903] inet6_addr_add+0x12f/0xa40 [ 1085.164905][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1085.164905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.164905][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.164905][ T903] netlink_unicast+0x449/0x710 [ 1085.164905][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.164905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.164905][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.164905][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.164905][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.164905][ T903] [ 1085.167085][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1085.167085][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1085.167085][ T903] ipv6_find_idev+0x102/0x170 [ 1085.167085][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.167085][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.167085][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.167085][ T903] netlink_unicast+0x449/0x710 [ 1085.167085][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.167085][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.167085][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.167085][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.167085][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.167085][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.167085][ T903] [ 1085.168776][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1085.168776][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1085.168776][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1085.168776][ T903] ipv6_find_idev+0x102/0x170 [ 1085.168776][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1085.168776][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1085.168776][ T903] netlink_rcv_skb+0x130/0x360 [ 1085.168776][ T903] netlink_unicast+0x449/0x710 [ 1085.168776][ T903] netlink_sendmsg+0x723/0xbe0 [ 1085.168776][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1085.168776][ T903] ___sys_sendmsg+0xee/0x170 [ 1085.168776][ T903] __sys_sendmsg+0xcd/0x170 [ 1085.168776][ T903] do_syscall_64+0xc6/0x1e0 [ 1085.168776][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1085.168776][ T903] [ 1095.413751][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1095.414204][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1095.414204][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1095.414204][ T903] ip6_validate_gw+0x3eb/0x790 [ 1095.414204][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1095.414204][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1095.414204][ T903] ip6_route_add+0x1c/0x140 [ 1095.414204][ T903] inet6_rtm_newroute+0x104/0x110 [ 1095.414204][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.414204][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.414204][ T903] netlink_unicast+0x449/0x710 [ 1095.414204][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.414204][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.414204][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.414204][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.414204][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.414204][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.414204][ T903] [ 1095.416306][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1095.416306][ T903] netdev_get_by_index+0x5e/0x80 [ 1095.416306][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1095.416306][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1095.416306][ T903] ip6_route_add+0x1c/0x140 [ 1095.416306][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1095.416306][ T903] inet6_addr_add+0x4f8/0xa40 [ 1095.416306][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.416306][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.416306][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.416306][ T903] netlink_unicast+0x449/0x710 [ 1095.416306][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.416306][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.416306][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.416306][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.416306][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.416306][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.416306][ T903] [ 1095.418890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1095.418890][ T903] netdev_get_by_index+0x5e/0x80 [ 1095.418890][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1095.418890][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1095.418890][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1095.418890][ T903] ipv6_add_addr+0x411/0x2000 [ 1095.418890][ T903] inet6_addr_add+0x30e/0xa40 [ 1095.418890][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.418890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.418890][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.418890][ T903] netlink_unicast+0x449/0x710 [ 1095.418890][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.418890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.418890][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.418890][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.418890][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.418890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.418890][ T903] [ 1095.421189][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1095.421189][ T903] netdev_get_by_index+0x5e/0x80 [ 1095.421189][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1095.421189][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1095.421189][ T903] ip6_route_add+0x1c/0x140 [ 1095.421189][ T903] addrconf_add_mroute+0x129/0x180 [ 1095.421189][ T903] addrconf_add_dev+0xe2/0x170 [ 1095.421189][ T903] inet6_addr_add+0x12f/0xa40 [ 1095.421189][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1095.421189][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.421189][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.421189][ T903] netlink_unicast+0x449/0x710 [ 1095.421189][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.421189][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.421189][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.421189][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.421189][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.421189][ T903] [ 1095.423366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1095.423366][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1095.423366][ T903] ipv6_find_idev+0x102/0x170 [ 1095.423366][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.423366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.423366][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.423366][ T903] netlink_unicast+0x449/0x710 [ 1095.423366][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.423366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.423366][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.423366][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.423366][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.423366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.423366][ T903] [ 1095.425059][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1095.425059][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1095.425059][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1095.425059][ T903] ipv6_find_idev+0x102/0x170 [ 1095.425059][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1095.425059][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1095.425059][ T903] netlink_rcv_skb+0x130/0x360 [ 1095.425059][ T903] netlink_unicast+0x449/0x710 [ 1095.425059][ T903] netlink_sendmsg+0x723/0xbe0 [ 1095.425059][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1095.425059][ T903] ___sys_sendmsg+0xee/0x170 [ 1095.425059][ T903] __sys_sendmsg+0xcd/0x170 [ 1095.425059][ T903] do_syscall_64+0xc6/0x1e0 [ 1095.425059][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1095.425059][ T903] [ 1105.677815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1105.678317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1105.678317][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1105.678317][ T903] ip6_validate_gw+0x3eb/0x790 [ 1105.678317][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1105.678317][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1105.678317][ T903] ip6_route_add+0x1c/0x140 [ 1105.678317][ T903] inet6_rtm_newroute+0x104/0x110 [ 1105.678317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.678317][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.678317][ T903] netlink_unicast+0x449/0x710 [ 1105.678317][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.678317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.678317][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.678317][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.678317][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.678317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.678317][ T903] [ 1105.680434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1105.680434][ T903] netdev_get_by_index+0x5e/0x80 [ 1105.680434][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1105.680434][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1105.680434][ T903] ip6_route_add+0x1c/0x140 [ 1105.680434][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1105.680434][ T903] inet6_addr_add+0x4f8/0xa40 [ 1105.680434][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.680434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.680434][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.680434][ T903] netlink_unicast+0x449/0x710 [ 1105.680434][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.680434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.680434][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.680434][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.680434][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.680434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.680434][ T903] [ 1105.682636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1105.682636][ T903] netdev_get_by_index+0x5e/0x80 [ 1105.682636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1105.682636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1105.682636][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1105.682636][ T903] ipv6_add_addr+0x411/0x2000 [ 1105.682636][ T903] inet6_addr_add+0x30e/0xa40 [ 1105.682636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.682636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.682636][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.682636][ T903] netlink_unicast+0x449/0x710 [ 1105.682636][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.682636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.682636][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.682636][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.682636][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.682636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.682636][ T903] [ 1105.684944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1105.684944][ T903] netdev_get_by_index+0x5e/0x80 [ 1105.684944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1105.684944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1105.684944][ T903] ip6_route_add+0x1c/0x140 [ 1105.684944][ T903] addrconf_add_mroute+0x129/0x180 [ 1105.684944][ T903] addrconf_add_dev+0xe2/0x170 [ 1105.684944][ T903] inet6_addr_add+0x12f/0xa40 [ 1105.684944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.684944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.684944][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.684944][ T903] netlink_unicast+0x449/0x710 [ 1105.684944][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.684944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.684944][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.684944][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.684944][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.684944][ T903] [ 1105.687128][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1105.687128][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1105.687128][ T903] ipv6_find_idev+0x102/0x170 [ 1105.687128][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.687128][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.687128][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.687128][ T903] netlink_unicast+0x449/0x710 [ 1105.687128][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.687128][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.687128][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.687128][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.687128][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.687128][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.687128][ T903] [ 1105.688844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1105.688844][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1105.688844][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1105.688844][ T903] ipv6_find_idev+0x102/0x170 [ 1105.688844][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.688844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.688844][ T903] netlink_rcv_skb+0x130/0x360 [ 1105.688844][ T903] netlink_unicast+0x449/0x710 [ 1105.688844][ T903] netlink_sendmsg+0x723/0xbe0 [ 1105.688844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1105.688844][ T903] ___sys_sendmsg+0xee/0x170 [ 1105.688844][ T903] __sys_sendmsg+0xcd/0x170 [ 1105.688844][ T903] do_syscall_64+0xc6/0x1e0 [ 1105.688844][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.688844][ T903] [ 1115.941843][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1115.942378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1115.942378][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1115.942378][ T903] ip6_validate_gw+0x3eb/0x790 [ 1115.942378][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1115.942378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1115.942378][ T903] ip6_route_add+0x1c/0x140 [ 1115.942378][ T903] inet6_rtm_newroute+0x104/0x110 [ 1115.942378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.942378][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.942378][ T903] netlink_unicast+0x449/0x710 [ 1115.942378][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.942378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.942378][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.942378][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.942378][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.942378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.942378][ T903] [ 1115.944518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1115.944518][ T903] netdev_get_by_index+0x5e/0x80 [ 1115.944518][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1115.944518][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1115.944518][ T903] ip6_route_add+0x1c/0x140 [ 1115.944518][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1115.944518][ T903] inet6_addr_add+0x4f8/0xa40 [ 1115.944518][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.944518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.944518][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.944518][ T903] netlink_unicast+0x449/0x710 [ 1115.944518][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.944518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.944518][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.944518][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.944518][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.944518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.944518][ T903] [ 1115.946774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1115.946774][ T903] netdev_get_by_index+0x5e/0x80 [ 1115.946774][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1115.946774][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1115.946774][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1115.946774][ T903] ipv6_add_addr+0x411/0x2000 [ 1115.946774][ T903] inet6_addr_add+0x30e/0xa40 [ 1115.946774][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.946774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.946774][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.946774][ T903] netlink_unicast+0x449/0x710 [ 1115.946774][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.946774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.946774][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.946774][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.946774][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.946774][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.946774][ T903] [ 1115.949007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1115.949007][ T903] netdev_get_by_index+0x5e/0x80 [ 1115.949007][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1115.949007][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1115.949007][ T903] ip6_route_add+0x1c/0x140 [ 1115.949007][ T903] addrconf_add_mroute+0x129/0x180 [ 1115.949007][ T903] addrconf_add_dev+0xe2/0x170 [ 1115.949007][ T903] inet6_addr_add+0x12f/0xa40 [ 1115.949007][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.949007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.949007][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.949007][ T903] netlink_unicast+0x449/0x710 [ 1115.949007][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.949007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.949007][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.949007][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.949007][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.949007][ T903] [ 1115.951208][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1115.951208][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1115.951208][ T903] ipv6_find_idev+0x102/0x170 [ 1115.951208][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1115.951208][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.951208][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.951208][ T903] netlink_unicast+0x449/0x710 [ 1115.951208][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.951208][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.951208][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.951208][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.951208][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.951208][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.951208][ T903] [ 1115.952923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1115.952923][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1115.952923][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1115.952923][ T903] ipv6_find_idev+0x102/0x170 [ 1115.952923][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1115.952923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.952923][ T903] netlink_rcv_skb+0x130/0x360 [ 1115.952923][ T903] netlink_unicast+0x449/0x710 [ 1115.952923][ T903] netlink_sendmsg+0x723/0xbe0 [ 1115.952923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1115.952923][ T903] ___sys_sendmsg+0xee/0x170 [ 1115.952923][ T903] __sys_sendmsg+0xcd/0x170 [ 1115.952923][ T903] do_syscall_64+0xc6/0x1e0 [ 1115.952923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.952923][ T903] [ 1126.205864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1126.206389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1126.206389][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1126.206389][ T903] ip6_validate_gw+0x3eb/0x790 [ 1126.206389][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1126.206389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1126.206389][ T903] ip6_route_add+0x1c/0x140 [ 1126.206389][ T903] inet6_rtm_newroute+0x104/0x110 [ 1126.206389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.206389][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.206389][ T903] netlink_unicast+0x449/0x710 [ 1126.206389][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.206389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.206389][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.206389][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.206389][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.206389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.206389][ T903] [ 1126.208523][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1126.208523][ T903] netdev_get_by_index+0x5e/0x80 [ 1126.208523][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1126.208523][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1126.208523][ T903] ip6_route_add+0x1c/0x140 [ 1126.208523][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1126.208523][ T903] inet6_addr_add+0x4f8/0xa40 [ 1126.208523][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.208523][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.208523][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.208523][ T903] netlink_unicast+0x449/0x710 [ 1126.208523][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.208523][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.208523][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.208523][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.208523][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.208523][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.208523][ T903] [ 1126.210751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1126.210751][ T903] netdev_get_by_index+0x5e/0x80 [ 1126.210751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1126.210751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1126.210751][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1126.210751][ T903] ipv6_add_addr+0x411/0x2000 [ 1126.210751][ T903] inet6_addr_add+0x30e/0xa40 [ 1126.210751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.210751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.210751][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.210751][ T903] netlink_unicast+0x449/0x710 [ 1126.210751][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.210751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.210751][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.210751][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.210751][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.210751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.210751][ T903] [ 1126.212978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1126.212978][ T903] netdev_get_by_index+0x5e/0x80 [ 1126.212978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1126.212978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1126.212978][ T903] ip6_route_add+0x1c/0x140 [ 1126.212978][ T903] addrconf_add_mroute+0x129/0x180 [ 1126.212978][ T903] addrconf_add_dev+0xe2/0x170 [ 1126.212978][ T903] inet6_addr_add+0x12f/0xa40 [ 1126.212978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1126.212978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.212978][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.212978][ T903] netlink_unicast+0x449/0x710 [ 1126.212978][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.212978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.212978][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.212978][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.212978][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.212978][ T903] [ 1126.215163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1126.215163][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1126.215163][ T903] ipv6_find_idev+0x102/0x170 [ 1126.215163][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.215163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.215163][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.215163][ T903] netlink_unicast+0x449/0x710 [ 1126.215163][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.215163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.215163][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.215163][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.215163][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.215163][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.215163][ T903] [ 1126.216909][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1126.216909][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1126.216909][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1126.216909][ T903] ipv6_find_idev+0x102/0x170 [ 1126.216909][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1126.216909][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1126.216909][ T903] netlink_rcv_skb+0x130/0x360 [ 1126.216909][ T903] netlink_unicast+0x449/0x710 [ 1126.216909][ T903] netlink_sendmsg+0x723/0xbe0 [ 1126.216909][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1126.216909][ T903] ___sys_sendmsg+0xee/0x170 [ 1126.216909][ T903] __sys_sendmsg+0xcd/0x170 [ 1126.216909][ T903] do_syscall_64+0xc6/0x1e0 [ 1126.216909][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1126.216909][ T903] [ 1136.469762][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1136.470291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1136.470291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1136.470291][ T903] ip6_validate_gw+0x3eb/0x790 [ 1136.470291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1136.470291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1136.470291][ T903] ip6_route_add+0x1c/0x140 [ 1136.470291][ T903] inet6_rtm_newroute+0x104/0x110 [ 1136.470291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.470291][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.470291][ T903] netlink_unicast+0x449/0x710 [ 1136.470291][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.470291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.470291][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.470291][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.470291][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.470291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.470291][ T903] [ 1136.472425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1136.472425][ T903] netdev_get_by_index+0x5e/0x80 [ 1136.472425][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1136.472425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1136.472425][ T903] ip6_route_add+0x1c/0x140 [ 1136.472425][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1136.472425][ T903] inet6_addr_add+0x4f8/0xa40 [ 1136.472425][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.472425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.472425][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.472425][ T903] netlink_unicast+0x449/0x710 [ 1136.472425][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.472425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.472425][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.472425][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.472425][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.472425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.472425][ T903] [ 1136.474673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1136.474673][ T903] netdev_get_by_index+0x5e/0x80 [ 1136.474673][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1136.474673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1136.474673][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1136.474673][ T903] ipv6_add_addr+0x411/0x2000 [ 1136.474673][ T903] inet6_addr_add+0x30e/0xa40 [ 1136.474673][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.474673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.474673][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.474673][ T903] netlink_unicast+0x449/0x710 [ 1136.474673][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.474673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.474673][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.474673][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.474673][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.474673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.474673][ T903] [ 1136.476900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1136.476900][ T903] netdev_get_by_index+0x5e/0x80 [ 1136.476900][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1136.476900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1136.476900][ T903] ip6_route_add+0x1c/0x140 [ 1136.476900][ T903] addrconf_add_mroute+0x129/0x180 [ 1136.476900][ T903] addrconf_add_dev+0xe2/0x170 [ 1136.476900][ T903] inet6_addr_add+0x12f/0xa40 [ 1136.476900][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1136.476900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.476900][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.476900][ T903] netlink_unicast+0x449/0x710 [ 1136.476900][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.476900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.476900][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.476900][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.476900][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.476900][ T903] [ 1136.479080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1136.479080][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1136.479080][ T903] ipv6_find_idev+0x102/0x170 [ 1136.479080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.479080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.479080][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.479080][ T903] netlink_unicast+0x449/0x710 [ 1136.479080][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.479080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.479080][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.479080][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.479080][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.479080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.479080][ T903] [ 1136.480802][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1136.480802][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1136.480802][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1136.480802][ T903] ipv6_find_idev+0x102/0x170 [ 1136.480802][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1136.480802][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1136.480802][ T903] netlink_rcv_skb+0x130/0x360 [ 1136.480802][ T903] netlink_unicast+0x449/0x710 [ 1136.480802][ T903] netlink_sendmsg+0x723/0xbe0 [ 1136.480802][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1136.480802][ T903] ___sys_sendmsg+0xee/0x170 [ 1136.480802][ T903] __sys_sendmsg+0xcd/0x170 [ 1136.480802][ T903] do_syscall_64+0xc6/0x1e0 [ 1136.480802][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1136.480802][ T903] [ 1146.733836][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1146.734280][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1146.734280][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1146.734280][ T903] ip6_validate_gw+0x3eb/0x790 [ 1146.734280][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1146.734280][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1146.734280][ T903] ip6_route_add+0x1c/0x140 [ 1146.734280][ T903] inet6_rtm_newroute+0x104/0x110 [ 1146.734280][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.734280][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.734280][ T903] netlink_unicast+0x449/0x710 [ 1146.734280][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.734280][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.734280][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.734280][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.734280][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.734280][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.734280][ T903] [ 1146.736380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1146.736380][ T903] netdev_get_by_index+0x5e/0x80 [ 1146.736380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1146.736380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1146.736380][ T903] ip6_route_add+0x1c/0x140 [ 1146.736380][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1146.736380][ T903] inet6_addr_add+0x4f8/0xa40 [ 1146.736380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.736380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.736380][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.736380][ T903] netlink_unicast+0x449/0x710 [ 1146.736380][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.736380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.736380][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.736380][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.736380][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.736380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.736380][ T903] [ 1146.738579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1146.738579][ T903] netdev_get_by_index+0x5e/0x80 [ 1146.738579][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1146.738579][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1146.738579][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1146.738579][ T903] ipv6_add_addr+0x411/0x2000 [ 1146.738579][ T903] inet6_addr_add+0x30e/0xa40 [ 1146.738579][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.738579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.738579][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.738579][ T903] netlink_unicast+0x449/0x710 [ 1146.738579][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.738579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.738579][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.738579][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.738579][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.738579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.738579][ T903] [ 1146.740769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1146.740769][ T903] netdev_get_by_index+0x5e/0x80 [ 1146.740769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1146.740769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1146.740769][ T903] ip6_route_add+0x1c/0x140 [ 1146.740769][ T903] addrconf_add_mroute+0x129/0x180 [ 1146.740769][ T903] addrconf_add_dev+0xe2/0x170 [ 1146.740769][ T903] inet6_addr_add+0x12f/0xa40 [ 1146.740769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.740769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.740769][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.740769][ T903] netlink_unicast+0x449/0x710 [ 1146.740769][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.740769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.740769][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.740769][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.740769][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.740769][ T903] [ 1146.742923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1146.742923][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1146.742923][ T903] ipv6_find_idev+0x102/0x170 [ 1146.742923][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.742923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.742923][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.742923][ T903] netlink_unicast+0x449/0x710 [ 1146.742923][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.742923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.742923][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.742923][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.742923][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.742923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.742923][ T903] [ 1146.744622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1146.744622][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1146.744622][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1146.744622][ T903] ipv6_find_idev+0x102/0x170 [ 1146.744622][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.744622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.744622][ T903] netlink_rcv_skb+0x130/0x360 [ 1146.744622][ T903] netlink_unicast+0x449/0x710 [ 1146.744622][ T903] netlink_sendmsg+0x723/0xbe0 [ 1146.744622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1146.744622][ T903] ___sys_sendmsg+0xee/0x170 [ 1146.744622][ T903] __sys_sendmsg+0xcd/0x170 [ 1146.744622][ T903] do_syscall_64+0xc6/0x1e0 [ 1146.744622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.744622][ T903] [ 1156.997938][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1156.998446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1156.998446][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1156.998446][ T903] ip6_validate_gw+0x3eb/0x790 [ 1156.998446][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1156.998446][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1156.998446][ T903] ip6_route_add+0x1c/0x140 [ 1156.998446][ T903] inet6_rtm_newroute+0x104/0x110 [ 1156.998446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.998446][ T903] netlink_rcv_skb+0x130/0x360 [ 1156.998446][ T903] netlink_unicast+0x449/0x710 [ 1156.998446][ T903] netlink_sendmsg+0x723/0xbe0 [ 1156.998446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1156.998446][ T903] ___sys_sendmsg+0xee/0x170 [ 1156.998446][ T903] __sys_sendmsg+0xcd/0x170 [ 1156.998446][ T903] do_syscall_64+0xc6/0x1e0 [ 1156.998446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.998446][ T903] [ 1157.000531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1157.000531][ T903] netdev_get_by_index+0x5e/0x80 [ 1157.000531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1157.000531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1157.000531][ T903] ip6_route_add+0x1c/0x140 [ 1157.000531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1157.000531][ T903] inet6_addr_add+0x4f8/0xa40 [ 1157.000531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.000531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.000531][ T903] netlink_rcv_skb+0x130/0x360 [ 1157.000531][ T903] netlink_unicast+0x449/0x710 [ 1157.000531][ T903] netlink_sendmsg+0x723/0xbe0 [ 1157.000531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1157.000531][ T903] ___sys_sendmsg+0xee/0x170 [ 1157.000531][ T903] __sys_sendmsg+0xcd/0x170 [ 1157.000531][ T903] do_syscall_64+0xc6/0x1e0 [ 1157.000531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.000531][ T903] [ 1157.002737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1157.002737][ T903] netdev_get_by_index+0x5e/0x80 [ 1157.002737][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1157.002737][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1157.002737][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1157.002737][ T903] ipv6_add_addr+0x411/0x2000 [ 1157.002737][ T903] inet6_addr_add+0x30e/0xa40 [ 1157.002737][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.002737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.002737][ T903] netlink_rcv_skb+0x130/0x360 [ 1157.002737][ T903] netlink_unicast+0x449/0x710 [ 1157.002737][ T903] netlink_sendmsg+0x723/0xbe0 [ 1157.002737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1157.002737][ T903] ___sys_sendmsg+0xee/0x170 [ 1157.002737][ T903] __sys_sendmsg+0xcd/0x170 [ 1157.002737][ T903] do_syscall_64+0xc6/0x1e0 [ 1157.002737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.002737][ T903] [ 1157.004973][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1157.004973][ T903] netdev_get_by_index+0x5e/0x80 [ 1157.004973][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1157.004973][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1157.004973][ T903] ip6_route_add+0x1c/0x140 [ 1157.004973][ T903] addrconf_add_mroute+0x129/0x180 [ 1157.004973][ T903] addrconf_add_dev+0xe2/0x170 [ 1157.004973][ T903] inet6_addr_add+0x12f/0xa40 [ 1157.004973][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.004973][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.004973][ T903] netlink_rcv_skb+0x130/0x360 [ 1157.004973][ T903] netlink_unicast+0x449/0x710 [ 1157.004973][ T903] netlink_sendmsg+0x723/0xbe0 [ 1157.004973][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1157.004973][ T903] ___sys_sendmsg+0xee/0x170 [ 1157.004973][ T903] __sys_sendmsg+0xcd/0x170 [ 1157.004973][ T903] do_syscall_64+0xc6/0x1e0 [ 1157.004973][ T903] [ 1157.007151][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1157.007151][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1157.007151][ T903] ipv6_find_idev+0x102/0x170 [ 1157.007151][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.007151][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.007151][ T903] netlink_rcv_skb+0x130/0x360 [ 1157.007151][ T903] netlink_unicast+0x449/0x710 [ 1157.007151][ T903] netlink_sendmsg+0x723/0xbe0 [ 1157.007151][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1157.007151][ T903] ___sys_sendmsg+0xee/0x170 [ 1157.007151][ T903] __sys_sendmsg+0xcd/0x170 [ 1157.007151][ T903] do_syscall_64+0xc6/0x1e0 [ 1157.007151][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.007151][ T903] [ 1157.008867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1157.008867][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1157.008867][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1157.008867][ T903] ipv6_find_idev+0x102/0x170 [ 1157.008867][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.008867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.008867][ T903] netlink_rcv_skb+0x130/0x360 [ 1157.008867][ T903] netlink_unicast+0x449/0x710 [ 1157.008867][ T903] netlink_sendmsg+0x723/0xbe0 [ 1157.008867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1157.008867][ T903] ___sys_sendmsg+0xee/0x170 [ 1157.008867][ T903] __sys_sendmsg+0xcd/0x170 [ 1157.008867][ T903] do_syscall_64+0xc6/0x1e0 [ 1157.008867][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.008867][ T903] [ 1167.029735][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1167.030209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1167.030209][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1167.030209][ T903] ip6_validate_gw+0x3eb/0x790 [ 1167.030209][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1167.030209][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1167.030209][ T903] ip6_route_add+0x1c/0x140 [ 1167.030209][ T903] inet6_rtm_newroute+0x104/0x110 [ 1167.030209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.030209][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.030209][ T903] netlink_unicast+0x449/0x710 [ 1167.030209][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.030209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.030209][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.030209][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.030209][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.030209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.030209][ T903] [ 1167.032328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1167.032328][ T903] netdev_get_by_index+0x5e/0x80 [ 1167.032328][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1167.032328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1167.032328][ T903] ip6_route_add+0x1c/0x140 [ 1167.032328][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1167.032328][ T903] inet6_addr_add+0x4f8/0xa40 [ 1167.032328][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.032328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.032328][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.032328][ T903] netlink_unicast+0x449/0x710 [ 1167.032328][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.032328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.032328][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.032328][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.032328][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.032328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.032328][ T903] [ 1167.034566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1167.034566][ T903] netdev_get_by_index+0x5e/0x80 [ 1167.034566][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1167.034566][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1167.034566][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1167.034566][ T903] ipv6_add_addr+0x411/0x2000 [ 1167.034566][ T903] inet6_addr_add+0x30e/0xa40 [ 1167.034566][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.034566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.034566][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.034566][ T903] netlink_unicast+0x449/0x710 [ 1167.034566][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.034566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.034566][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.034566][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.034566][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.034566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.034566][ T903] [ 1167.036798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1167.036798][ T903] netdev_get_by_index+0x5e/0x80 [ 1167.036798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1167.036798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1167.036798][ T903] ip6_route_add+0x1c/0x140 [ 1167.036798][ T903] addrconf_add_mroute+0x129/0x180 [ 1167.036798][ T903] addrconf_add_dev+0xe2/0x170 [ 1167.036798][ T903] inet6_addr_add+0x12f/0xa40 [ 1167.036798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1167.036798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.036798][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.036798][ T903] netlink_unicast+0x449/0x710 [ 1167.036798][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.036798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.036798][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.036798][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.036798][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.036798][ T903] [ 1167.038988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1167.038988][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1167.038988][ T903] ipv6_find_idev+0x102/0x170 [ 1167.038988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.038988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.038988][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.038988][ T903] netlink_unicast+0x449/0x710 [ 1167.038988][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.038988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.038988][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.038988][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.038988][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.038988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.038988][ T903] [ 1167.040703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1167.040703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1167.040703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1167.040703][ T903] ipv6_find_idev+0x102/0x170 [ 1167.040703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1167.040703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1167.040703][ T903] netlink_rcv_skb+0x130/0x360 [ 1167.040703][ T903] netlink_unicast+0x449/0x710 [ 1167.040703][ T903] netlink_sendmsg+0x723/0xbe0 [ 1167.040703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1167.040703][ T903] ___sys_sendmsg+0xee/0x170 [ 1167.040703][ T903] __sys_sendmsg+0xcd/0x170 [ 1167.040703][ T903] do_syscall_64+0xc6/0x1e0 [ 1167.040703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1167.040703][ T903] [ 1177.293802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1177.294341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1177.294341][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1177.294341][ T903] ip6_validate_gw+0x3eb/0x790 [ 1177.294341][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1177.294341][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1177.294341][ T903] ip6_route_add+0x1c/0x140 [ 1177.294341][ T903] inet6_rtm_newroute+0x104/0x110 [ 1177.294341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.294341][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.294341][ T903] netlink_unicast+0x449/0x710 [ 1177.294341][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.294341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.294341][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.294341][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.294341][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.294341][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.294341][ T903] [ 1177.296470][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1177.296470][ T903] netdev_get_by_index+0x5e/0x80 [ 1177.296470][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1177.296470][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1177.296470][ T903] ip6_route_add+0x1c/0x140 [ 1177.296470][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1177.296470][ T903] inet6_addr_add+0x4f8/0xa40 [ 1177.296470][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.296470][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.296470][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.296470][ T903] netlink_unicast+0x449/0x710 [ 1177.296470][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.296470][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.296470][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.296470][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.296470][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.296470][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.296470][ T903] [ 1177.298712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1177.298712][ T903] netdev_get_by_index+0x5e/0x80 [ 1177.298712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1177.298712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1177.298712][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1177.298712][ T903] ipv6_add_addr+0x411/0x2000 [ 1177.298712][ T903] inet6_addr_add+0x30e/0xa40 [ 1177.298712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.298712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.298712][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.298712][ T903] netlink_unicast+0x449/0x710 [ 1177.298712][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.298712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.298712][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.298712][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.298712][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.298712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.298712][ T903] [ 1177.300935][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1177.300935][ T903] netdev_get_by_index+0x5e/0x80 [ 1177.300935][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1177.300935][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1177.300935][ T903] ip6_route_add+0x1c/0x140 [ 1177.300935][ T903] addrconf_add_mroute+0x129/0x180 [ 1177.300935][ T903] addrconf_add_dev+0xe2/0x170 [ 1177.300935][ T903] inet6_addr_add+0x12f/0xa40 [ 1177.300935][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1177.300935][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.300935][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.300935][ T903] netlink_unicast+0x449/0x710 [ 1177.300935][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.300935][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.300935][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.300935][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.300935][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.300935][ T903] [ 1177.303083][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1177.303083][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1177.303083][ T903] ipv6_find_idev+0x102/0x170 [ 1177.303083][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.303083][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.303083][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.303083][ T903] netlink_unicast+0x449/0x710 [ 1177.303083][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.303083][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.303083][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.303083][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.303083][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.303083][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.303083][ T903] [ 1177.304774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1177.304774][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1177.304774][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1177.304774][ T903] ipv6_find_idev+0x102/0x170 [ 1177.304774][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1177.304774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1177.304774][ T903] netlink_rcv_skb+0x130/0x360 [ 1177.304774][ T903] netlink_unicast+0x449/0x710 [ 1177.304774][ T903] netlink_sendmsg+0x723/0xbe0 [ 1177.304774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1177.304774][ T903] ___sys_sendmsg+0xee/0x170 [ 1177.304774][ T903] __sys_sendmsg+0xcd/0x170 [ 1177.304774][ T903] do_syscall_64+0xc6/0x1e0 [ 1177.304774][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1177.304774][ T903] [ 1187.541958][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1187.542514][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1187.542514][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1187.542514][ T903] ip6_validate_gw+0x3eb/0x790 [ 1187.542514][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1187.542514][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1187.542514][ T903] ip6_route_add+0x1c/0x140 [ 1187.542514][ T903] inet6_rtm_newroute+0x104/0x110 [ 1187.542514][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.542514][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.542514][ T903] netlink_unicast+0x449/0x710 [ 1187.542514][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.542514][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.542514][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.542514][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.542514][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.542514][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.542514][ T903] [ 1187.544612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1187.544612][ T903] netdev_get_by_index+0x5e/0x80 [ 1187.544612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1187.544612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1187.544612][ T903] ip6_route_add+0x1c/0x140 [ 1187.544612][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1187.544612][ T903] inet6_addr_add+0x4f8/0xa40 [ 1187.544612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.544612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.544612][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.544612][ T903] netlink_unicast+0x449/0x710 [ 1187.544612][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.544612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.544612][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.544612][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.544612][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.544612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.544612][ T903] [ 1187.546827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1187.546827][ T903] netdev_get_by_index+0x5e/0x80 [ 1187.546827][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1187.546827][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1187.546827][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1187.546827][ T903] ipv6_add_addr+0x411/0x2000 [ 1187.546827][ T903] inet6_addr_add+0x30e/0xa40 [ 1187.546827][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.546827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.546827][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.546827][ T903] netlink_unicast+0x449/0x710 [ 1187.546827][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.546827][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.546827][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.546827][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.546827][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.546827][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.546827][ T903] [ 1187.549030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1187.549030][ T903] netdev_get_by_index+0x5e/0x80 [ 1187.549030][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1187.549030][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1187.549030][ T903] ip6_route_add+0x1c/0x140 [ 1187.549030][ T903] addrconf_add_mroute+0x129/0x180 [ 1187.549030][ T903] addrconf_add_dev+0xe2/0x170 [ 1187.549030][ T903] inet6_addr_add+0x12f/0xa40 [ 1187.549030][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1187.549030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.549030][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.549030][ T903] netlink_unicast+0x449/0x710 [ 1187.549030][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.549030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.549030][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.549030][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.549030][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.549030][ T903] [ 1187.551181][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1187.551181][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1187.551181][ T903] ipv6_find_idev+0x102/0x170 [ 1187.551181][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.551181][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.551181][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.551181][ T903] netlink_unicast+0x449/0x710 [ 1187.551181][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.551181][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.551181][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.551181][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.551181][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.551181][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.551181][ T903] [ 1187.552932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1187.552932][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1187.552932][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1187.552932][ T903] ipv6_find_idev+0x102/0x170 [ 1187.552932][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1187.552932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1187.552932][ T903] netlink_rcv_skb+0x130/0x360 [ 1187.552932][ T903] netlink_unicast+0x449/0x710 [ 1187.552932][ T903] netlink_sendmsg+0x723/0xbe0 [ 1187.552932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1187.552932][ T903] ___sys_sendmsg+0xee/0x170 [ 1187.552932][ T903] __sys_sendmsg+0xcd/0x170 [ 1187.552932][ T903] do_syscall_64+0xc6/0x1e0 [ 1187.552932][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1187.552932][ T903] [ 1197.709799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1197.710314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1197.710314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1197.710314][ T903] ip6_validate_gw+0x3eb/0x790 [ 1197.710314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1197.710314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1197.710314][ T903] ip6_route_add+0x1c/0x140 [ 1197.710314][ T903] inet6_rtm_newroute+0x104/0x110 [ 1197.710314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.710314][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.710314][ T903] netlink_unicast+0x449/0x710 [ 1197.710314][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.710314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.710314][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.710314][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.710314][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.710314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.710314][ T903] [ 1197.712409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1197.712409][ T903] netdev_get_by_index+0x5e/0x80 [ 1197.712409][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1197.712409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1197.712409][ T903] ip6_route_add+0x1c/0x140 [ 1197.712409][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1197.712409][ T903] inet6_addr_add+0x4f8/0xa40 [ 1197.712409][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.712409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.712409][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.712409][ T903] netlink_unicast+0x449/0x710 [ 1197.712409][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.712409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.712409][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.712409][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.712409][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.712409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.712409][ T903] [ 1197.714619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1197.714619][ T903] netdev_get_by_index+0x5e/0x80 [ 1197.714619][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1197.714619][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1197.714619][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1197.714619][ T903] ipv6_add_addr+0x411/0x2000 [ 1197.714619][ T903] inet6_addr_add+0x30e/0xa40 [ 1197.714619][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.714619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.714619][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.714619][ T903] netlink_unicast+0x449/0x710 [ 1197.714619][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.714619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.714619][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.714619][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.714619][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.714619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.714619][ T903] [ 1197.716836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1197.716836][ T903] netdev_get_by_index+0x5e/0x80 [ 1197.716836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1197.716836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1197.716836][ T903] ip6_route_add+0x1c/0x140 [ 1197.716836][ T903] addrconf_add_mroute+0x129/0x180 [ 1197.716836][ T903] addrconf_add_dev+0xe2/0x170 [ 1197.716836][ T903] inet6_addr_add+0x12f/0xa40 [ 1197.716836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.716836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.716836][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.716836][ T903] netlink_unicast+0x449/0x710 [ 1197.716836][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.716836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.716836][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.716836][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.716836][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.716836][ T903] [ 1197.719006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1197.719006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1197.719006][ T903] ipv6_find_idev+0x102/0x170 [ 1197.719006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.719006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.719006][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.719006][ T903] netlink_unicast+0x449/0x710 [ 1197.719006][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.719006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.719006][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.719006][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.719006][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.719006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.719006][ T903] [ 1197.720703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1197.720703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1197.720703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1197.720703][ T903] ipv6_find_idev+0x102/0x170 [ 1197.720703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.720703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.720703][ T903] netlink_rcv_skb+0x130/0x360 [ 1197.720703][ T903] netlink_unicast+0x449/0x710 [ 1197.720703][ T903] netlink_sendmsg+0x723/0xbe0 [ 1197.720703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1197.720703][ T903] ___sys_sendmsg+0xee/0x170 [ 1197.720703][ T903] __sys_sendmsg+0xcd/0x170 [ 1197.720703][ T903] do_syscall_64+0xc6/0x1e0 [ 1197.720703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.720703][ T903] [ 1207.757855][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1207.758390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1207.758390][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1207.758390][ T903] ip6_validate_gw+0x3eb/0x790 [ 1207.758390][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1207.758390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1207.758390][ T903] ip6_route_add+0x1c/0x140 [ 1207.758390][ T903] inet6_rtm_newroute+0x104/0x110 [ 1207.758390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.758390][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.758390][ T903] netlink_unicast+0x449/0x710 [ 1207.758390][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.758390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.758390][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.758390][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.758390][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.758390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.758390][ T903] [ 1207.760518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1207.760518][ T903] netdev_get_by_index+0x5e/0x80 [ 1207.760518][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1207.760518][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1207.760518][ T903] ip6_route_add+0x1c/0x140 [ 1207.760518][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1207.760518][ T903] inet6_addr_add+0x4f8/0xa40 [ 1207.760518][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.760518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.760518][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.760518][ T903] netlink_unicast+0x449/0x710 [ 1207.760518][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.760518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.760518][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.760518][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.760518][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.760518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.760518][ T903] [ 1207.762822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1207.762822][ T903] netdev_get_by_index+0x5e/0x80 [ 1207.762822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1207.762822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1207.762822][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1207.762822][ T903] ipv6_add_addr+0x411/0x2000 [ 1207.762822][ T903] inet6_addr_add+0x30e/0xa40 [ 1207.762822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.762822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.762822][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.762822][ T903] netlink_unicast+0x449/0x710 [ 1207.762822][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.762822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.762822][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.762822][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.762822][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.762822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.762822][ T903] [ 1207.765029][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1207.765029][ T903] netdev_get_by_index+0x5e/0x80 [ 1207.765029][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1207.765029][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1207.765029][ T903] ip6_route_add+0x1c/0x140 [ 1207.765029][ T903] addrconf_add_mroute+0x129/0x180 [ 1207.765029][ T903] addrconf_add_dev+0xe2/0x170 [ 1207.765029][ T903] inet6_addr_add+0x12f/0xa40 [ 1207.765029][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.765029][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.765029][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.765029][ T903] netlink_unicast+0x449/0x710 [ 1207.765029][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.765029][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.765029][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.765029][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.765029][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.765029][ T903] [ 1207.767302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1207.767302][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1207.767302][ T903] ipv6_find_idev+0x102/0x170 [ 1207.767302][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1207.767302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.767302][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.767302][ T903] netlink_unicast+0x449/0x710 [ 1207.767302][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.767302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.767302][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.767302][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.767302][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.767302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.767302][ T903] [ 1207.768997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1207.768997][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1207.768997][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1207.768997][ T903] ipv6_find_idev+0x102/0x170 [ 1207.768997][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1207.768997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.768997][ T903] netlink_rcv_skb+0x130/0x360 [ 1207.768997][ T903] netlink_unicast+0x449/0x710 [ 1207.768997][ T903] netlink_sendmsg+0x723/0xbe0 [ 1207.768997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1207.768997][ T903] ___sys_sendmsg+0xee/0x170 [ 1207.768997][ T903] __sys_sendmsg+0xcd/0x170 [ 1207.768997][ T903] do_syscall_64+0xc6/0x1e0 [ 1207.768997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.768997][ T903] [ 1218.013890][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1218.014405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1218.014405][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1218.014405][ T903] ip6_validate_gw+0x3eb/0x790 [ 1218.014405][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1218.014405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1218.014405][ T903] ip6_route_add+0x1c/0x140 [ 1218.014405][ T903] inet6_rtm_newroute+0x104/0x110 [ 1218.014405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.014405][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.014405][ T903] netlink_unicast+0x449/0x710 [ 1218.014405][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.014405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.014405][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.014405][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.014405][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.014405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.014405][ T903] [ 1218.016509][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1218.016509][ T903] netdev_get_by_index+0x5e/0x80 [ 1218.016509][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1218.016509][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1218.016509][ T903] ip6_route_add+0x1c/0x140 [ 1218.016509][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1218.016509][ T903] inet6_addr_add+0x4f8/0xa40 [ 1218.016509][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.016509][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.016509][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.016509][ T903] netlink_unicast+0x449/0x710 [ 1218.016509][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.016509][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.016509][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.016509][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.016509][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.016509][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.016509][ T903] [ 1218.018712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1218.018712][ T903] netdev_get_by_index+0x5e/0x80 [ 1218.018712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1218.018712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1218.018712][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1218.018712][ T903] ipv6_add_addr+0x411/0x2000 [ 1218.018712][ T903] inet6_addr_add+0x30e/0xa40 [ 1218.018712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.018712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.018712][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.018712][ T903] netlink_unicast+0x449/0x710 [ 1218.018712][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.018712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.018712][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.018712][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.018712][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.018712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.018712][ T903] [ 1218.020913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1218.020913][ T903] netdev_get_by_index+0x5e/0x80 [ 1218.020913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1218.020913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1218.020913][ T903] ip6_route_add+0x1c/0x140 [ 1218.020913][ T903] addrconf_add_mroute+0x129/0x180 [ 1218.020913][ T903] addrconf_add_dev+0xe2/0x170 [ 1218.020913][ T903] inet6_addr_add+0x12f/0xa40 [ 1218.020913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1218.020913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.020913][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.020913][ T903] netlink_unicast+0x449/0x710 [ 1218.020913][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.020913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.020913][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.020913][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.020913][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.020913][ T903] [ 1218.023063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1218.023063][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1218.023063][ T903] ipv6_find_idev+0x102/0x170 [ 1218.023063][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.023063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.023063][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.023063][ T903] netlink_unicast+0x449/0x710 [ 1218.023063][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.023063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.023063][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.023063][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.023063][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.023063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.023063][ T903] [ 1218.024783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1218.024783][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1218.024783][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1218.024783][ T903] ipv6_find_idev+0x102/0x170 [ 1218.024783][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1218.024783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1218.024783][ T903] netlink_rcv_skb+0x130/0x360 [ 1218.024783][ T903] netlink_unicast+0x449/0x710 [ 1218.024783][ T903] netlink_sendmsg+0x723/0xbe0 [ 1218.024783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1218.024783][ T903] ___sys_sendmsg+0xee/0x170 [ 1218.024783][ T903] __sys_sendmsg+0xcd/0x170 [ 1218.024783][ T903] do_syscall_64+0xc6/0x1e0 [ 1218.024783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1218.024783][ T903] [ 1228.261812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1228.262332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1228.262332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1228.262332][ T903] ip6_validate_gw+0x3eb/0x790 [ 1228.262332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1228.262332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1228.262332][ T903] ip6_route_add+0x1c/0x140 [ 1228.262332][ T903] inet6_rtm_newroute+0x104/0x110 [ 1228.262332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.262332][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.262332][ T903] netlink_unicast+0x449/0x710 [ 1228.262332][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.262332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.262332][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.262332][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.262332][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.262332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.262332][ T903] [ 1228.264447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1228.264447][ T903] netdev_get_by_index+0x5e/0x80 [ 1228.264447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1228.264447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1228.264447][ T903] ip6_route_add+0x1c/0x140 [ 1228.264447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1228.264447][ T903] inet6_addr_add+0x4f8/0xa40 [ 1228.264447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.264447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.264447][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.264447][ T903] netlink_unicast+0x449/0x710 [ 1228.264447][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.264447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.264447][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.264447][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.264447][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.264447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.264447][ T903] [ 1228.266688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1228.266688][ T903] netdev_get_by_index+0x5e/0x80 [ 1228.266688][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1228.266688][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1228.266688][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1228.266688][ T903] ipv6_add_addr+0x411/0x2000 [ 1228.266688][ T903] inet6_addr_add+0x30e/0xa40 [ 1228.266688][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.266688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.266688][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.266688][ T903] netlink_unicast+0x449/0x710 [ 1228.266688][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.266688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.266688][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.266688][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.266688][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.266688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.266688][ T903] [ 1228.268894][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1228.268894][ T903] netdev_get_by_index+0x5e/0x80 [ 1228.268894][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1228.268894][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1228.268894][ T903] ip6_route_add+0x1c/0x140 [ 1228.268894][ T903] addrconf_add_mroute+0x129/0x180 [ 1228.268894][ T903] addrconf_add_dev+0xe2/0x170 [ 1228.268894][ T903] inet6_addr_add+0x12f/0xa40 [ 1228.268894][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1228.268894][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.268894][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.268894][ T903] netlink_unicast+0x449/0x710 [ 1228.268894][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.268894][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.268894][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.268894][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.268894][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.268894][ T903] [ 1228.271061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1228.271061][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1228.271061][ T903] ipv6_find_idev+0x102/0x170 [ 1228.271061][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.271061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.271061][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.271061][ T903] netlink_unicast+0x449/0x710 [ 1228.271061][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.271061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.271061][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.271061][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.271061][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.271061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.271061][ T903] [ 1228.272795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1228.272795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1228.272795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1228.272795][ T903] ipv6_find_idev+0x102/0x170 [ 1228.272795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1228.272795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1228.272795][ T903] netlink_rcv_skb+0x130/0x360 [ 1228.272795][ T903] netlink_unicast+0x449/0x710 [ 1228.272795][ T903] netlink_sendmsg+0x723/0xbe0 [ 1228.272795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1228.272795][ T903] ___sys_sendmsg+0xee/0x170 [ 1228.272795][ T903] __sys_sendmsg+0xcd/0x170 [ 1228.272795][ T903] do_syscall_64+0xc6/0x1e0 [ 1228.272795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1228.272795][ T903] [ 1238.509849][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1238.510322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1238.510322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1238.510322][ T903] ip6_validate_gw+0x3eb/0x790 [ 1238.510322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1238.510322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1238.510322][ T903] ip6_route_add+0x1c/0x140 [ 1238.510322][ T903] inet6_rtm_newroute+0x104/0x110 [ 1238.510322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.510322][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.510322][ T903] netlink_unicast+0x449/0x710 [ 1238.510322][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.510322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.510322][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.510322][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.510322][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.510322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.510322][ T903] [ 1238.512406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1238.512406][ T903] netdev_get_by_index+0x5e/0x80 [ 1238.512406][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1238.512406][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1238.512406][ T903] ip6_route_add+0x1c/0x140 [ 1238.512406][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1238.512406][ T903] inet6_addr_add+0x4f8/0xa40 [ 1238.512406][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.512406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.512406][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.512406][ T903] netlink_unicast+0x449/0x710 [ 1238.512406][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.512406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.512406][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.512406][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.512406][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.512406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.512406][ T903] [ 1238.514600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1238.514600][ T903] netdev_get_by_index+0x5e/0x80 [ 1238.514600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1238.514600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1238.514600][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1238.514600][ T903] ipv6_add_addr+0x411/0x2000 [ 1238.514600][ T903] inet6_addr_add+0x30e/0xa40 [ 1238.514600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.514600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.514600][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.514600][ T903] netlink_unicast+0x449/0x710 [ 1238.514600][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.514600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.514600][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.514600][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.514600][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.514600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.514600][ T903] [ 1238.516807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1238.516807][ T903] netdev_get_by_index+0x5e/0x80 [ 1238.516807][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1238.516807][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1238.516807][ T903] ip6_route_add+0x1c/0x140 [ 1238.516807][ T903] addrconf_add_mroute+0x129/0x180 [ 1238.516807][ T903] addrconf_add_dev+0xe2/0x170 [ 1238.516807][ T903] inet6_addr_add+0x12f/0xa40 [ 1238.516807][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1238.516807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.516807][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.516807][ T903] netlink_unicast+0x449/0x710 [ 1238.516807][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.516807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.516807][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.516807][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.516807][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.516807][ T903] [ 1238.518961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1238.518961][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1238.518961][ T903] ipv6_find_idev+0x102/0x170 [ 1238.518961][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.518961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.518961][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.518961][ T903] netlink_unicast+0x449/0x710 [ 1238.518961][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.518961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.518961][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.518961][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.518961][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.518961][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.518961][ T903] [ 1238.520646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1238.520646][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1238.520646][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1238.520646][ T903] ipv6_find_idev+0x102/0x170 [ 1238.520646][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1238.520646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1238.520646][ T903] netlink_rcv_skb+0x130/0x360 [ 1238.520646][ T903] netlink_unicast+0x449/0x710 [ 1238.520646][ T903] netlink_sendmsg+0x723/0xbe0 [ 1238.520646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1238.520646][ T903] ___sys_sendmsg+0xee/0x170 [ 1238.520646][ T903] __sys_sendmsg+0xcd/0x170 [ 1238.520646][ T903] do_syscall_64+0xc6/0x1e0 [ 1238.520646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1238.520646][ T903] [ 1248.757913][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1248.758419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1248.758419][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1248.758419][ T903] ip6_validate_gw+0x3eb/0x790 [ 1248.758419][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1248.758419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1248.758419][ T903] ip6_route_add+0x1c/0x140 [ 1248.758419][ T903] inet6_rtm_newroute+0x104/0x110 [ 1248.758419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.758419][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.758419][ T903] netlink_unicast+0x449/0x710 [ 1248.758419][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.758419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.758419][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.758419][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.758419][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.758419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.758419][ T903] [ 1248.760603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1248.760603][ T903] netdev_get_by_index+0x5e/0x80 [ 1248.760603][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1248.760603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1248.760603][ T903] ip6_route_add+0x1c/0x140 [ 1248.760603][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1248.760603][ T903] inet6_addr_add+0x4f8/0xa40 [ 1248.760603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.760603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.760603][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.760603][ T903] netlink_unicast+0x449/0x710 [ 1248.760603][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.760603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.760603][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.760603][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.760603][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.760603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.760603][ T903] [ 1248.763266][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1248.763266][ T903] netdev_get_by_index+0x5e/0x80 [ 1248.763266][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1248.763266][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1248.763266][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1248.763266][ T903] ipv6_add_addr+0x411/0x2000 [ 1248.763266][ T903] inet6_addr_add+0x30e/0xa40 [ 1248.763266][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.763266][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.763266][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.763266][ T903] netlink_unicast+0x449/0x710 [ 1248.763266][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.763266][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.763266][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.763266][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.763266][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.763266][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.763266][ T903] [ 1248.765456][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1248.765456][ T903] netdev_get_by_index+0x5e/0x80 [ 1248.765456][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1248.765456][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1248.765456][ T903] ip6_route_add+0x1c/0x140 [ 1248.765456][ T903] addrconf_add_mroute+0x129/0x180 [ 1248.765456][ T903] addrconf_add_dev+0xe2/0x170 [ 1248.765456][ T903] inet6_addr_add+0x12f/0xa40 [ 1248.765456][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.765456][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.765456][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.765456][ T903] netlink_unicast+0x449/0x710 [ 1248.765456][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.765456][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.765456][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.765456][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.765456][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.765456][ T903] [ 1248.767632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1248.767632][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1248.767632][ T903] ipv6_find_idev+0x102/0x170 [ 1248.767632][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1248.767632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.767632][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.767632][ T903] netlink_unicast+0x449/0x710 [ 1248.767632][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.767632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.767632][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.767632][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.767632][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.767632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.767632][ T903] [ 1248.769352][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1248.769352][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1248.769352][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1248.769352][ T903] ipv6_find_idev+0x102/0x170 [ 1248.769352][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1248.769352][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.769352][ T903] netlink_rcv_skb+0x130/0x360 [ 1248.769352][ T903] netlink_unicast+0x449/0x710 [ 1248.769352][ T903] netlink_sendmsg+0x723/0xbe0 [ 1248.769352][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1248.769352][ T903] ___sys_sendmsg+0xee/0x170 [ 1248.769352][ T903] __sys_sendmsg+0xcd/0x170 [ 1248.769352][ T903] do_syscall_64+0xc6/0x1e0 [ 1248.769352][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.769352][ T903] [ 1259.013817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1259.014321][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1259.014321][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1259.014321][ T903] ip6_validate_gw+0x3eb/0x790 [ 1259.014321][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1259.014321][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1259.014321][ T903] ip6_route_add+0x1c/0x140 [ 1259.014321][ T903] inet6_rtm_newroute+0x104/0x110 [ 1259.014321][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.014321][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.014321][ T903] netlink_unicast+0x449/0x710 [ 1259.014321][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.014321][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.014321][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.014321][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.014321][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.014321][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.014321][ T903] [ 1259.016431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1259.016431][ T903] netdev_get_by_index+0x5e/0x80 [ 1259.016431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1259.016431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1259.016431][ T903] ip6_route_add+0x1c/0x140 [ 1259.016431][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1259.016431][ T903] inet6_addr_add+0x4f8/0xa40 [ 1259.016431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.016431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.016431][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.016431][ T903] netlink_unicast+0x449/0x710 [ 1259.016431][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.016431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.016431][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.016431][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.016431][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.016431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.016431][ T903] [ 1259.018619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1259.018619][ T903] netdev_get_by_index+0x5e/0x80 [ 1259.018619][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1259.018619][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1259.018619][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1259.018619][ T903] ipv6_add_addr+0x411/0x2000 [ 1259.018619][ T903] inet6_addr_add+0x30e/0xa40 [ 1259.018619][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.018619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.018619][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.018619][ T903] netlink_unicast+0x449/0x710 [ 1259.018619][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.018619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.018619][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.018619][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.018619][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.018619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.018619][ T903] [ 1259.020812][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1259.020812][ T903] netdev_get_by_index+0x5e/0x80 [ 1259.020812][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1259.020812][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1259.020812][ T903] ip6_route_add+0x1c/0x140 [ 1259.020812][ T903] addrconf_add_mroute+0x129/0x180 [ 1259.020812][ T903] addrconf_add_dev+0xe2/0x170 [ 1259.020812][ T903] inet6_addr_add+0x12f/0xa40 [ 1259.020812][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.020812][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.020812][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.020812][ T903] netlink_unicast+0x449/0x710 [ 1259.020812][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.020812][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.020812][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.020812][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.020812][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.020812][ T903] [ 1259.022967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1259.022967][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1259.022967][ T903] ipv6_find_idev+0x102/0x170 [ 1259.022967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.022967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.022967][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.022967][ T903] netlink_unicast+0x449/0x710 [ 1259.022967][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.022967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.022967][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.022967][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.022967][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.022967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.022967][ T903] [ 1259.024653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1259.024653][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1259.024653][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1259.024653][ T903] ipv6_find_idev+0x102/0x170 [ 1259.024653][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.024653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.024653][ T903] netlink_rcv_skb+0x130/0x360 [ 1259.024653][ T903] netlink_unicast+0x449/0x710 [ 1259.024653][ T903] netlink_sendmsg+0x723/0xbe0 [ 1259.024653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1259.024653][ T903] ___sys_sendmsg+0xee/0x170 [ 1259.024653][ T903] __sys_sendmsg+0xcd/0x170 [ 1259.024653][ T903] do_syscall_64+0xc6/0x1e0 [ 1259.024653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.024653][ T903] [ 1269.261833][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1269.262296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1269.262296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1269.262296][ T903] ip6_validate_gw+0x3eb/0x790 [ 1269.262296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1269.262296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1269.262296][ T903] ip6_route_add+0x1c/0x140 [ 1269.262296][ T903] inet6_rtm_newroute+0x104/0x110 [ 1269.262296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.262296][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.262296][ T903] netlink_unicast+0x449/0x710 [ 1269.262296][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.262296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.262296][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.262296][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.262296][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.262296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.262296][ T903] [ 1269.264415][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1269.264415][ T903] netdev_get_by_index+0x5e/0x80 [ 1269.264415][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1269.264415][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1269.264415][ T903] ip6_route_add+0x1c/0x140 [ 1269.264415][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1269.264415][ T903] inet6_addr_add+0x4f8/0xa40 [ 1269.264415][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.264415][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.264415][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.264415][ T903] netlink_unicast+0x449/0x710 [ 1269.264415][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.264415][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.264415][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.264415][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.264415][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.264415][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.264415][ T903] [ 1269.266641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1269.266641][ T903] netdev_get_by_index+0x5e/0x80 [ 1269.266641][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1269.266641][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1269.266641][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1269.266641][ T903] ipv6_add_addr+0x411/0x2000 [ 1269.266641][ T903] inet6_addr_add+0x30e/0xa40 [ 1269.266641][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.266641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.266641][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.266641][ T903] netlink_unicast+0x449/0x710 [ 1269.266641][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.266641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.266641][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.266641][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.266641][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.266641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.266641][ T903] [ 1269.268853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1269.268853][ T903] netdev_get_by_index+0x5e/0x80 [ 1269.268853][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1269.268853][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1269.268853][ T903] ip6_route_add+0x1c/0x140 [ 1269.268853][ T903] addrconf_add_mroute+0x129/0x180 [ 1269.268853][ T903] addrconf_add_dev+0xe2/0x170 [ 1269.268853][ T903] inet6_addr_add+0x12f/0xa40 [ 1269.268853][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1269.268853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.268853][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.268853][ T903] netlink_unicast+0x449/0x710 [ 1269.268853][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.268853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.268853][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.268853][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.268853][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.268853][ T903] [ 1269.271176][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1269.271176][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1269.271176][ T903] ipv6_find_idev+0x102/0x170 [ 1269.271176][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.271176][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.271176][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.271176][ T903] netlink_unicast+0x449/0x710 [ 1269.271176][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.271176][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.271176][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.271176][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.271176][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.271176][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.271176][ T903] [ 1269.272946][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1269.272946][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1269.272946][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1269.272946][ T903] ipv6_find_idev+0x102/0x170 [ 1269.272946][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1269.272946][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1269.272946][ T903] netlink_rcv_skb+0x130/0x360 [ 1269.272946][ T903] netlink_unicast+0x449/0x710 [ 1269.272946][ T903] netlink_sendmsg+0x723/0xbe0 [ 1269.272946][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1269.272946][ T903] ___sys_sendmsg+0xee/0x170 [ 1269.272946][ T903] __sys_sendmsg+0xcd/0x170 [ 1269.272946][ T903] do_syscall_64+0xc6/0x1e0 [ 1269.272946][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1269.272946][ T903] [ 1279.517830][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1279.518381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1279.518381][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1279.518381][ T903] ip6_validate_gw+0x3eb/0x790 [ 1279.518381][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1279.518381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1279.518381][ T903] ip6_route_add+0x1c/0x140 [ 1279.518381][ T903] inet6_rtm_newroute+0x104/0x110 [ 1279.518381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.518381][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.518381][ T903] netlink_unicast+0x449/0x710 [ 1279.518381][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.518381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.518381][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.518381][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.518381][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.518381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.518381][ T903] [ 1279.520498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1279.520498][ T903] netdev_get_by_index+0x5e/0x80 [ 1279.520498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1279.520498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1279.520498][ T903] ip6_route_add+0x1c/0x140 [ 1279.520498][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1279.520498][ T903] inet6_addr_add+0x4f8/0xa40 [ 1279.520498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.520498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.520498][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.520498][ T903] netlink_unicast+0x449/0x710 [ 1279.520498][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.520498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.520498][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.520498][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.520498][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.520498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.520498][ T903] [ 1279.522727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1279.522727][ T903] netdev_get_by_index+0x5e/0x80 [ 1279.522727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1279.522727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1279.522727][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1279.522727][ T903] ipv6_add_addr+0x411/0x2000 [ 1279.522727][ T903] inet6_addr_add+0x30e/0xa40 [ 1279.522727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.522727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.522727][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.522727][ T903] netlink_unicast+0x449/0x710 [ 1279.522727][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.522727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.522727][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.522727][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.522727][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.522727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.522727][ T903] [ 1279.524962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1279.524962][ T903] netdev_get_by_index+0x5e/0x80 [ 1279.524962][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1279.524962][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1279.524962][ T903] ip6_route_add+0x1c/0x140 [ 1279.524962][ T903] addrconf_add_mroute+0x129/0x180 [ 1279.524962][ T903] addrconf_add_dev+0xe2/0x170 [ 1279.524962][ T903] inet6_addr_add+0x12f/0xa40 [ 1279.524962][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1279.524962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.524962][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.524962][ T903] netlink_unicast+0x449/0x710 [ 1279.524962][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.524962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.524962][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.524962][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.524962][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.524962][ T903] [ 1279.527176][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1279.527176][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1279.527176][ T903] ipv6_find_idev+0x102/0x170 [ 1279.527176][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.527176][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.527176][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.527176][ T903] netlink_unicast+0x449/0x710 [ 1279.527176][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.527176][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.527176][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.527176][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.527176][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.527176][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.527176][ T903] [ 1279.528895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1279.528895][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1279.528895][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1279.528895][ T903] ipv6_find_idev+0x102/0x170 [ 1279.528895][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1279.528895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1279.528895][ T903] netlink_rcv_skb+0x130/0x360 [ 1279.528895][ T903] netlink_unicast+0x449/0x710 [ 1279.528895][ T903] netlink_sendmsg+0x723/0xbe0 [ 1279.528895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1279.528895][ T903] ___sys_sendmsg+0xee/0x170 [ 1279.528895][ T903] __sys_sendmsg+0xcd/0x170 [ 1279.528895][ T903] do_syscall_64+0xc6/0x1e0 [ 1279.528895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1279.528895][ T903] [ 1289.773819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1289.774317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1289.774317][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1289.774317][ T903] ip6_validate_gw+0x3eb/0x790 [ 1289.774317][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1289.774317][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1289.774317][ T903] ip6_route_add+0x1c/0x140 [ 1289.774317][ T903] inet6_rtm_newroute+0x104/0x110 [ 1289.774317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.774317][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.774317][ T903] netlink_unicast+0x449/0x710 [ 1289.774317][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.774317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.774317][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.774317][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.774317][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.774317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.774317][ T903] [ 1289.776644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1289.776644][ T903] netdev_get_by_index+0x5e/0x80 [ 1289.776644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1289.776644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1289.776644][ T903] ip6_route_add+0x1c/0x140 [ 1289.776644][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1289.776644][ T903] inet6_addr_add+0x4f8/0xa40 [ 1289.776644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.776644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.776644][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.776644][ T903] netlink_unicast+0x449/0x710 [ 1289.776644][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.776644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.776644][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.776644][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.776644][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.776644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.776644][ T903] [ 1289.779074][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1289.779074][ T903] netdev_get_by_index+0x5e/0x80 [ 1289.779074][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1289.779074][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1289.779074][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1289.779074][ T903] ipv6_add_addr+0x411/0x2000 [ 1289.779074][ T903] inet6_addr_add+0x30e/0xa40 [ 1289.779074][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.779074][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.779074][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.779074][ T903] netlink_unicast+0x449/0x710 [ 1289.779074][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.779074][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.779074][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.779074][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.779074][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.779074][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.779074][ T903] [ 1289.781407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1289.781407][ T903] netdev_get_by_index+0x5e/0x80 [ 1289.781407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1289.781407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1289.781407][ T903] ip6_route_add+0x1c/0x140 [ 1289.781407][ T903] addrconf_add_mroute+0x129/0x180 [ 1289.781407][ T903] addrconf_add_dev+0xe2/0x170 [ 1289.781407][ T903] inet6_addr_add+0x12f/0xa40 [ 1289.781407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.781407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.781407][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.781407][ T903] netlink_unicast+0x449/0x710 [ 1289.781407][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.781407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.781407][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.781407][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.781407][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.781407][ T903] [ 1289.783676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1289.783676][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1289.783676][ T903] ipv6_find_idev+0x102/0x170 [ 1289.783676][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1289.783676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.783676][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.783676][ T903] netlink_unicast+0x449/0x710 [ 1289.783676][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.783676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.783676][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.783676][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.783676][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.783676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.783676][ T903] [ 1289.785544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1289.785544][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1289.785544][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1289.785544][ T903] ipv6_find_idev+0x102/0x170 [ 1289.785544][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1289.785544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.785544][ T903] netlink_rcv_skb+0x130/0x360 [ 1289.785544][ T903] netlink_unicast+0x449/0x710 [ 1289.785544][ T903] netlink_sendmsg+0x723/0xbe0 [ 1289.785544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1289.785544][ T903] ___sys_sendmsg+0xee/0x170 [ 1289.785544][ T903] __sys_sendmsg+0xcd/0x170 [ 1289.785544][ T903] do_syscall_64+0xc6/0x1e0 [ 1289.785544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.785544][ T903] [ 1300.029854][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1300.030378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1300.030378][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1300.030378][ T903] ip6_validate_gw+0x3eb/0x790 [ 1300.030378][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1300.030378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1300.030378][ T903] ip6_route_add+0x1c/0x140 [ 1300.030378][ T903] inet6_rtm_newroute+0x104/0x110 [ 1300.030378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.030378][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.030378][ T903] netlink_unicast+0x449/0x710 [ 1300.030378][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.030378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.030378][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.030378][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.030378][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.030378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.030378][ T903] [ 1300.032496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1300.032496][ T903] netdev_get_by_index+0x5e/0x80 [ 1300.032496][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1300.032496][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1300.032496][ T903] ip6_route_add+0x1c/0x140 [ 1300.032496][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1300.032496][ T903] inet6_addr_add+0x4f8/0xa40 [ 1300.032496][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.032496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.032496][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.032496][ T903] netlink_unicast+0x449/0x710 [ 1300.032496][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.032496][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.032496][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.032496][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.032496][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.032496][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.032496][ T903] [ 1300.034717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1300.034717][ T903] netdev_get_by_index+0x5e/0x80 [ 1300.034717][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1300.034717][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1300.034717][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1300.034717][ T903] ipv6_add_addr+0x411/0x2000 [ 1300.034717][ T903] inet6_addr_add+0x30e/0xa40 [ 1300.034717][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.034717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.034717][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.034717][ T903] netlink_unicast+0x449/0x710 [ 1300.034717][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.034717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.034717][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.034717][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.034717][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.034717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.034717][ T903] [ 1300.036966][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1300.036966][ T903] netdev_get_by_index+0x5e/0x80 [ 1300.036966][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1300.036966][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1300.036966][ T903] ip6_route_add+0x1c/0x140 [ 1300.036966][ T903] addrconf_add_mroute+0x129/0x180 [ 1300.036966][ T903] addrconf_add_dev+0xe2/0x170 [ 1300.036966][ T903] inet6_addr_add+0x12f/0xa40 [ 1300.036966][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.036966][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.036966][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.036966][ T903] netlink_unicast+0x449/0x710 [ 1300.036966][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.036966][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.036966][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.036966][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.036966][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.036966][ T903] [ 1300.039141][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1300.039141][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1300.039141][ T903] ipv6_find_idev+0x102/0x170 [ 1300.039141][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.039141][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.039141][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.039141][ T903] netlink_unicast+0x449/0x710 [ 1300.039141][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.039141][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.039141][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.039141][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.039141][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.039141][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.039141][ T903] [ 1300.040851][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1300.040851][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1300.040851][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1300.040851][ T903] ipv6_find_idev+0x102/0x170 [ 1300.040851][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.040851][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.040851][ T903] netlink_rcv_skb+0x130/0x360 [ 1300.040851][ T903] netlink_unicast+0x449/0x710 [ 1300.040851][ T903] netlink_sendmsg+0x723/0xbe0 [ 1300.040851][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1300.040851][ T903] ___sys_sendmsg+0xee/0x170 [ 1300.040851][ T903] __sys_sendmsg+0xcd/0x170 [ 1300.040851][ T903] do_syscall_64+0xc6/0x1e0 [ 1300.040851][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.040851][ T903] [ 1310.285826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1310.286343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1310.286343][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1310.286343][ T903] ip6_validate_gw+0x3eb/0x790 [ 1310.286343][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1310.286343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1310.286343][ T903] ip6_route_add+0x1c/0x140 [ 1310.286343][ T903] inet6_rtm_newroute+0x104/0x110 [ 1310.286343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.286343][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.286343][ T903] netlink_unicast+0x449/0x710 [ 1310.286343][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.286343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.286343][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.286343][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.286343][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.286343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.286343][ T903] [ 1310.288443][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1310.288443][ T903] netdev_get_by_index+0x5e/0x80 [ 1310.288443][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1310.288443][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1310.288443][ T903] ip6_route_add+0x1c/0x140 [ 1310.288443][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1310.288443][ T903] inet6_addr_add+0x4f8/0xa40 [ 1310.288443][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.288443][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.288443][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.288443][ T903] netlink_unicast+0x449/0x710 [ 1310.288443][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.288443][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.288443][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.288443][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.288443][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.288443][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.288443][ T903] [ 1310.290648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1310.290648][ T903] netdev_get_by_index+0x5e/0x80 [ 1310.290648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1310.290648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1310.290648][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1310.290648][ T903] ipv6_add_addr+0x411/0x2000 [ 1310.290648][ T903] inet6_addr_add+0x30e/0xa40 [ 1310.290648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.290648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.290648][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.290648][ T903] netlink_unicast+0x449/0x710 [ 1310.290648][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.290648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.290648][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.290648][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.290648][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.290648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.290648][ T903] [ 1310.292875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1310.292875][ T903] netdev_get_by_index+0x5e/0x80 [ 1310.292875][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1310.292875][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1310.292875][ T903] ip6_route_add+0x1c/0x140 [ 1310.292875][ T903] addrconf_add_mroute+0x129/0x180 [ 1310.292875][ T903] addrconf_add_dev+0xe2/0x170 [ 1310.292875][ T903] inet6_addr_add+0x12f/0xa40 [ 1310.292875][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1310.292875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.292875][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.292875][ T903] netlink_unicast+0x449/0x710 [ 1310.292875][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.292875][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.292875][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.292875][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.292875][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.292875][ T903] [ 1310.295143][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1310.295143][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1310.295143][ T903] ipv6_find_idev+0x102/0x170 [ 1310.295143][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.295143][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.295143][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.295143][ T903] netlink_unicast+0x449/0x710 [ 1310.295143][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.295143][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.295143][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.295143][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.295143][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.295143][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.295143][ T903] [ 1310.297243][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1310.297243][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1310.297243][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1310.297243][ T903] ipv6_find_idev+0x102/0x170 [ 1310.297243][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1310.297243][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1310.297243][ T903] netlink_rcv_skb+0x130/0x360 [ 1310.297243][ T903] netlink_unicast+0x449/0x710 [ 1310.297243][ T903] netlink_sendmsg+0x723/0xbe0 [ 1310.297243][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1310.297243][ T903] ___sys_sendmsg+0xee/0x170 [ 1310.297243][ T903] __sys_sendmsg+0xcd/0x170 [ 1310.297243][ T903] do_syscall_64+0xc6/0x1e0 [ 1310.297243][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1310.297243][ T903] [ 1320.541851][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1320.542365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1320.542365][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1320.542365][ T903] ip6_validate_gw+0x3eb/0x790 [ 1320.542365][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1320.542365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1320.542365][ T903] ip6_route_add+0x1c/0x140 [ 1320.542365][ T903] inet6_rtm_newroute+0x104/0x110 [ 1320.542365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.542365][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.542365][ T903] netlink_unicast+0x449/0x710 [ 1320.542365][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.542365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.542365][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.542365][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.542365][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.542365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.542365][ T903] [ 1320.544460][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1320.544460][ T903] netdev_get_by_index+0x5e/0x80 [ 1320.544460][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1320.544460][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1320.544460][ T903] ip6_route_add+0x1c/0x140 [ 1320.544460][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1320.544460][ T903] inet6_addr_add+0x4f8/0xa40 [ 1320.544460][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.544460][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.544460][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.544460][ T903] netlink_unicast+0x449/0x710 [ 1320.544460][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.544460][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.544460][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.544460][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.544460][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.544460][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.544460][ T903] [ 1320.546673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1320.546673][ T903] netdev_get_by_index+0x5e/0x80 [ 1320.546673][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1320.546673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1320.546673][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1320.546673][ T903] ipv6_add_addr+0x411/0x2000 [ 1320.546673][ T903] inet6_addr_add+0x30e/0xa40 [ 1320.546673][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.546673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.546673][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.546673][ T903] netlink_unicast+0x449/0x710 [ 1320.546673][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.546673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.546673][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.546673][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.546673][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.546673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.546673][ T903] [ 1320.548872][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1320.548872][ T903] netdev_get_by_index+0x5e/0x80 [ 1320.548872][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1320.548872][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1320.548872][ T903] ip6_route_add+0x1c/0x140 [ 1320.548872][ T903] addrconf_add_mroute+0x129/0x180 [ 1320.548872][ T903] addrconf_add_dev+0xe2/0x170 [ 1320.548872][ T903] inet6_addr_add+0x12f/0xa40 [ 1320.548872][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1320.548872][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.548872][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.548872][ T903] netlink_unicast+0x449/0x710 [ 1320.548872][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.548872][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.548872][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.548872][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.548872][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.548872][ T903] [ 1320.551030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1320.551030][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1320.551030][ T903] ipv6_find_idev+0x102/0x170 [ 1320.551030][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.551030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.551030][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.551030][ T903] netlink_unicast+0x449/0x710 [ 1320.551030][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.551030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.551030][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.551030][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.551030][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.551030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.551030][ T903] [ 1320.552722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1320.552722][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1320.552722][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1320.552722][ T903] ipv6_find_idev+0x102/0x170 [ 1320.552722][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1320.552722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1320.552722][ T903] netlink_rcv_skb+0x130/0x360 [ 1320.552722][ T903] netlink_unicast+0x449/0x710 [ 1320.552722][ T903] netlink_sendmsg+0x723/0xbe0 [ 1320.552722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1320.552722][ T903] ___sys_sendmsg+0xee/0x170 [ 1320.552722][ T903] __sys_sendmsg+0xcd/0x170 [ 1320.552722][ T903] do_syscall_64+0xc6/0x1e0 [ 1320.552722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1320.552722][ T903] [ 1330.789826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1330.790375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1330.790375][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1330.790375][ T903] ip6_validate_gw+0x3eb/0x790 [ 1330.790375][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1330.790375][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1330.790375][ T903] ip6_route_add+0x1c/0x140 [ 1330.790375][ T903] inet6_rtm_newroute+0x104/0x110 [ 1330.790375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.790375][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.790375][ T903] netlink_unicast+0x449/0x710 [ 1330.790375][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.790375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.790375][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.790375][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.790375][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.790375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.790375][ T903] [ 1330.792593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1330.792593][ T903] netdev_get_by_index+0x5e/0x80 [ 1330.792593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1330.792593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1330.792593][ T903] ip6_route_add+0x1c/0x140 [ 1330.792593][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1330.792593][ T903] inet6_addr_add+0x4f8/0xa40 [ 1330.792593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.792593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.792593][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.792593][ T903] netlink_unicast+0x449/0x710 [ 1330.792593][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.792593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.792593][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.792593][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.792593][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.792593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.792593][ T903] [ 1330.794904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1330.794904][ T903] netdev_get_by_index+0x5e/0x80 [ 1330.794904][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1330.794904][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1330.794904][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1330.794904][ T903] ipv6_add_addr+0x411/0x2000 [ 1330.794904][ T903] inet6_addr_add+0x30e/0xa40 [ 1330.794904][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.794904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.794904][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.794904][ T903] netlink_unicast+0x449/0x710 [ 1330.794904][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.794904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.794904][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.794904][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.794904][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.794904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.794904][ T903] [ 1330.797218][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1330.797218][ T903] netdev_get_by_index+0x5e/0x80 [ 1330.797218][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1330.797218][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1330.797218][ T903] ip6_route_add+0x1c/0x140 [ 1330.797218][ T903] addrconf_add_mroute+0x129/0x180 [ 1330.797218][ T903] addrconf_add_dev+0xe2/0x170 [ 1330.797218][ T903] inet6_addr_add+0x12f/0xa40 [ 1330.797218][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.797218][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.797218][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.797218][ T903] netlink_unicast+0x449/0x710 [ 1330.797218][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.797218][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.797218][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.797218][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.797218][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.797218][ T903] [ 1330.799482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1330.799482][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1330.799482][ T903] ipv6_find_idev+0x102/0x170 [ 1330.799482][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1330.799482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.799482][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.799482][ T903] netlink_unicast+0x449/0x710 [ 1330.799482][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.799482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.799482][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.799482][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.799482][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.799482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.799482][ T903] [ 1330.801255][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1330.801255][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1330.801255][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1330.801255][ T903] ipv6_find_idev+0x102/0x170 [ 1330.801255][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1330.801255][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.801255][ T903] netlink_rcv_skb+0x130/0x360 [ 1330.801255][ T903] netlink_unicast+0x449/0x710 [ 1330.801255][ T903] netlink_sendmsg+0x723/0xbe0 [ 1330.801255][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1330.801255][ T903] ___sys_sendmsg+0xee/0x170 [ 1330.801255][ T903] __sys_sendmsg+0xcd/0x170 [ 1330.801255][ T903] do_syscall_64+0xc6/0x1e0 [ 1330.801255][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.801255][ T903] [ 1341.045798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1341.046274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1341.046274][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1341.046274][ T903] ip6_validate_gw+0x3eb/0x790 [ 1341.046274][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1341.046274][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1341.046274][ T903] ip6_route_add+0x1c/0x140 [ 1341.046274][ T903] inet6_rtm_newroute+0x104/0x110 [ 1341.046274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.046274][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.046274][ T903] netlink_unicast+0x449/0x710 [ 1341.046274][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.046274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.046274][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.046274][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.046274][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.046274][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.046274][ T903] [ 1341.048548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1341.048548][ T903] netdev_get_by_index+0x5e/0x80 [ 1341.048548][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1341.048548][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1341.048548][ T903] ip6_route_add+0x1c/0x140 [ 1341.048548][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1341.048548][ T903] inet6_addr_add+0x4f8/0xa40 [ 1341.048548][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.048548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.048548][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.048548][ T903] netlink_unicast+0x449/0x710 [ 1341.048548][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.048548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.048548][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.048548][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.048548][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.048548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.048548][ T903] [ 1341.050947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1341.050947][ T903] netdev_get_by_index+0x5e/0x80 [ 1341.050947][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1341.050947][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1341.050947][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1341.050947][ T903] ipv6_add_addr+0x411/0x2000 [ 1341.050947][ T903] inet6_addr_add+0x30e/0xa40 [ 1341.050947][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.050947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.050947][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.050947][ T903] netlink_unicast+0x449/0x710 [ 1341.050947][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.050947][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.050947][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.050947][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.050947][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.050947][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.050947][ T903] [ 1341.053250][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1341.053250][ T903] netdev_get_by_index+0x5e/0x80 [ 1341.053250][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1341.053250][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1341.053250][ T903] ip6_route_add+0x1c/0x140 [ 1341.053250][ T903] addrconf_add_mroute+0x129/0x180 [ 1341.053250][ T903] addrconf_add_dev+0xe2/0x170 [ 1341.053250][ T903] inet6_addr_add+0x12f/0xa40 [ 1341.053250][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1341.053250][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.053250][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.053250][ T903] netlink_unicast+0x449/0x710 [ 1341.053250][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.053250][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.053250][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.053250][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.053250][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.053250][ T903] [ 1341.055449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1341.055449][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1341.055449][ T903] ipv6_find_idev+0x102/0x170 [ 1341.055449][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.055449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.055449][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.055449][ T903] netlink_unicast+0x449/0x710 [ 1341.055449][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.055449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.055449][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.055449][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.055449][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.055449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.055449][ T903] [ 1341.057307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1341.057307][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1341.057307][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1341.057307][ T903] ipv6_find_idev+0x102/0x170 [ 1341.057307][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1341.057307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1341.057307][ T903] netlink_rcv_skb+0x130/0x360 [ 1341.057307][ T903] netlink_unicast+0x449/0x710 [ 1341.057307][ T903] netlink_sendmsg+0x723/0xbe0 [ 1341.057307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1341.057307][ T903] ___sys_sendmsg+0xee/0x170 [ 1341.057307][ T903] __sys_sendmsg+0xcd/0x170 [ 1341.057307][ T903] do_syscall_64+0xc6/0x1e0 [ 1341.057307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1341.057307][ T903] [ 1351.301833][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1351.302291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1351.302291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1351.302291][ T903] ip6_validate_gw+0x3eb/0x790 [ 1351.302291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1351.302291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1351.302291][ T903] ip6_route_add+0x1c/0x140 [ 1351.302291][ T903] inet6_rtm_newroute+0x104/0x110 [ 1351.302291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.302291][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.302291][ T903] netlink_unicast+0x449/0x710 [ 1351.302291][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.302291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.302291][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.302291][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.302291][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.302291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.302291][ T903] [ 1351.304370][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1351.304370][ T903] netdev_get_by_index+0x5e/0x80 [ 1351.304370][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1351.304370][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1351.304370][ T903] ip6_route_add+0x1c/0x140 [ 1351.304370][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1351.304370][ T903] inet6_addr_add+0x4f8/0xa40 [ 1351.304370][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.304370][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.304370][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.304370][ T903] netlink_unicast+0x449/0x710 [ 1351.304370][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.304370][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.304370][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.304370][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.304370][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.304370][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.304370][ T903] [ 1351.306591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1351.306591][ T903] netdev_get_by_index+0x5e/0x80 [ 1351.306591][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1351.306591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1351.306591][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1351.306591][ T903] ipv6_add_addr+0x411/0x2000 [ 1351.306591][ T903] inet6_addr_add+0x30e/0xa40 [ 1351.306591][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.306591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.306591][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.306591][ T903] netlink_unicast+0x449/0x710 [ 1351.306591][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.306591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.306591][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.306591][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.306591][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.306591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.306591][ T903] [ 1351.308784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1351.308784][ T903] netdev_get_by_index+0x5e/0x80 [ 1351.308784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1351.308784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1351.308784][ T903] ip6_route_add+0x1c/0x140 [ 1351.308784][ T903] addrconf_add_mroute+0x129/0x180 [ 1351.308784][ T903] addrconf_add_dev+0xe2/0x170 [ 1351.308784][ T903] inet6_addr_add+0x12f/0xa40 [ 1351.308784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1351.308784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.308784][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.308784][ T903] netlink_unicast+0x449/0x710 [ 1351.308784][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.308784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.308784][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.308784][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.308784][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.308784][ T903] [ 1351.310955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1351.310955][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1351.310955][ T903] ipv6_find_idev+0x102/0x170 [ 1351.310955][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.310955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.310955][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.310955][ T903] netlink_unicast+0x449/0x710 [ 1351.310955][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.310955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.310955][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.310955][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.310955][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.310955][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.310955][ T903] [ 1351.312642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1351.312642][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1351.312642][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1351.312642][ T903] ipv6_find_idev+0x102/0x170 [ 1351.312642][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1351.312642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1351.312642][ T903] netlink_rcv_skb+0x130/0x360 [ 1351.312642][ T903] netlink_unicast+0x449/0x710 [ 1351.312642][ T903] netlink_sendmsg+0x723/0xbe0 [ 1351.312642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1351.312642][ T903] ___sys_sendmsg+0xee/0x170 [ 1351.312642][ T903] __sys_sendmsg+0xcd/0x170 [ 1351.312642][ T903] do_syscall_64+0xc6/0x1e0 [ 1351.312642][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1351.312642][ T903] [ 1361.549804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1361.550320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1361.550320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1361.550320][ T903] ip6_validate_gw+0x3eb/0x790 [ 1361.550320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1361.550320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1361.550320][ T903] ip6_route_add+0x1c/0x140 [ 1361.550320][ T903] inet6_rtm_newroute+0x104/0x110 [ 1361.550320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.550320][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.550320][ T903] netlink_unicast+0x449/0x710 [ 1361.550320][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.550320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.550320][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.550320][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.550320][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.550320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.550320][ T903] [ 1361.552422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1361.552422][ T903] netdev_get_by_index+0x5e/0x80 [ 1361.552422][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1361.552422][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1361.552422][ T903] ip6_route_add+0x1c/0x140 [ 1361.552422][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1361.552422][ T903] inet6_addr_add+0x4f8/0xa40 [ 1361.552422][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.552422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.552422][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.552422][ T903] netlink_unicast+0x449/0x710 [ 1361.552422][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.552422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.552422][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.552422][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.552422][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.552422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.552422][ T903] [ 1361.554611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1361.554611][ T903] netdev_get_by_index+0x5e/0x80 [ 1361.554611][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1361.554611][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1361.554611][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1361.554611][ T903] ipv6_add_addr+0x411/0x2000 [ 1361.554611][ T903] inet6_addr_add+0x30e/0xa40 [ 1361.554611][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.554611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.554611][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.554611][ T903] netlink_unicast+0x449/0x710 [ 1361.554611][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.554611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.554611][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.554611][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.554611][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.554611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.554611][ T903] [ 1361.556824][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1361.556824][ T903] netdev_get_by_index+0x5e/0x80 [ 1361.556824][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1361.556824][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1361.556824][ T903] ip6_route_add+0x1c/0x140 [ 1361.556824][ T903] addrconf_add_mroute+0x129/0x180 [ 1361.556824][ T903] addrconf_add_dev+0xe2/0x170 [ 1361.556824][ T903] inet6_addr_add+0x12f/0xa40 [ 1361.556824][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1361.556824][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.556824][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.556824][ T903] netlink_unicast+0x449/0x710 [ 1361.556824][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.556824][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.556824][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.556824][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.556824][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.556824][ T903] [ 1361.558992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1361.558992][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1361.558992][ T903] ipv6_find_idev+0x102/0x170 [ 1361.558992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.558992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.558992][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.558992][ T903] netlink_unicast+0x449/0x710 [ 1361.558992][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.558992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.558992][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.558992][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.558992][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.558992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.558992][ T903] [ 1361.560675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1361.560675][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1361.560675][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1361.560675][ T903] ipv6_find_idev+0x102/0x170 [ 1361.560675][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1361.560675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1361.560675][ T903] netlink_rcv_skb+0x130/0x360 [ 1361.560675][ T903] netlink_unicast+0x449/0x710 [ 1361.560675][ T903] netlink_sendmsg+0x723/0xbe0 [ 1361.560675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1361.560675][ T903] ___sys_sendmsg+0xee/0x170 [ 1361.560675][ T903] __sys_sendmsg+0xcd/0x170 [ 1361.560675][ T903] do_syscall_64+0xc6/0x1e0 [ 1361.560675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1361.560675][ T903] [ 1371.797813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1371.798354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1371.798354][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1371.798354][ T903] ip6_validate_gw+0x3eb/0x790 [ 1371.798354][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1371.798354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1371.798354][ T903] ip6_route_add+0x1c/0x140 [ 1371.798354][ T903] inet6_rtm_newroute+0x104/0x110 [ 1371.798354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.798354][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.798354][ T903] netlink_unicast+0x449/0x710 [ 1371.798354][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.798354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.798354][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.798354][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.798354][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.798354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.798354][ T903] [ 1371.800437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1371.800437][ T903] netdev_get_by_index+0x5e/0x80 [ 1371.800437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1371.800437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1371.800437][ T903] ip6_route_add+0x1c/0x140 [ 1371.800437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1371.800437][ T903] inet6_addr_add+0x4f8/0xa40 [ 1371.800437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.800437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.800437][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.800437][ T903] netlink_unicast+0x449/0x710 [ 1371.800437][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.800437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.800437][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.800437][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.800437][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.800437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.800437][ T903] [ 1371.802622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1371.802622][ T903] netdev_get_by_index+0x5e/0x80 [ 1371.802622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1371.802622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1371.802622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1371.802622][ T903] ipv6_add_addr+0x411/0x2000 [ 1371.802622][ T903] inet6_addr_add+0x30e/0xa40 [ 1371.802622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.802622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.802622][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.802622][ T903] netlink_unicast+0x449/0x710 [ 1371.802622][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.802622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.802622][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.802622][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.802622][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.802622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.802622][ T903] [ 1371.804804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1371.804804][ T903] netdev_get_by_index+0x5e/0x80 [ 1371.804804][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1371.804804][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1371.804804][ T903] ip6_route_add+0x1c/0x140 [ 1371.804804][ T903] addrconf_add_mroute+0x129/0x180 [ 1371.804804][ T903] addrconf_add_dev+0xe2/0x170 [ 1371.804804][ T903] inet6_addr_add+0x12f/0xa40 [ 1371.804804][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.804804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.804804][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.804804][ T903] netlink_unicast+0x449/0x710 [ 1371.804804][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.804804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.804804][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.804804][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.804804][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.804804][ T903] [ 1371.806960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1371.806960][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1371.806960][ T903] ipv6_find_idev+0x102/0x170 [ 1371.806960][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1371.806960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.806960][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.806960][ T903] netlink_unicast+0x449/0x710 [ 1371.806960][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.806960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.806960][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.806960][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.806960][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.806960][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.806960][ T903] [ 1371.808654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1371.808654][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1371.808654][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1371.808654][ T903] ipv6_find_idev+0x102/0x170 [ 1371.808654][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1371.808654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.808654][ T903] netlink_rcv_skb+0x130/0x360 [ 1371.808654][ T903] netlink_unicast+0x449/0x710 [ 1371.808654][ T903] netlink_sendmsg+0x723/0xbe0 [ 1371.808654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1371.808654][ T903] ___sys_sendmsg+0xee/0x170 [ 1371.808654][ T903] __sys_sendmsg+0xcd/0x170 [ 1371.808654][ T903] do_syscall_64+0xc6/0x1e0 [ 1371.808654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.808654][ T903] [ 1381.933838][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1381.934320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1381.934320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1381.934320][ T903] ip6_validate_gw+0x3eb/0x790 [ 1381.934320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1381.934320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1381.934320][ T903] ip6_route_add+0x1c/0x140 [ 1381.934320][ T903] inet6_rtm_newroute+0x104/0x110 [ 1381.934320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.934320][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.934320][ T903] netlink_unicast+0x449/0x710 [ 1381.934320][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.934320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.934320][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.934320][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.934320][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.934320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.934320][ T903] [ 1381.936445][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1381.936445][ T903] netdev_get_by_index+0x5e/0x80 [ 1381.936445][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1381.936445][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1381.936445][ T903] ip6_route_add+0x1c/0x140 [ 1381.936445][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1381.936445][ T903] inet6_addr_add+0x4f8/0xa40 [ 1381.936445][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.936445][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.936445][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.936445][ T903] netlink_unicast+0x449/0x710 [ 1381.936445][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.936445][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.936445][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.936445][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.936445][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.936445][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.936445][ T903] [ 1381.938664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1381.938664][ T903] netdev_get_by_index+0x5e/0x80 [ 1381.938664][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1381.938664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1381.938664][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1381.938664][ T903] ipv6_add_addr+0x411/0x2000 [ 1381.938664][ T903] inet6_addr_add+0x30e/0xa40 [ 1381.938664][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.938664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.938664][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.938664][ T903] netlink_unicast+0x449/0x710 [ 1381.938664][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.938664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.938664][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.938664][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.938664][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.938664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.938664][ T903] [ 1381.940908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1381.940908][ T903] netdev_get_by_index+0x5e/0x80 [ 1381.940908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1381.940908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1381.940908][ T903] ip6_route_add+0x1c/0x140 [ 1381.940908][ T903] addrconf_add_mroute+0x129/0x180 [ 1381.940908][ T903] addrconf_add_dev+0xe2/0x170 [ 1381.940908][ T903] inet6_addr_add+0x12f/0xa40 [ 1381.940908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.940908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.940908][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.940908][ T903] netlink_unicast+0x449/0x710 [ 1381.940908][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.940908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.940908][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.940908][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.940908][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.940908][ T903] [ 1381.943102][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1381.943102][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1381.943102][ T903] ipv6_find_idev+0x102/0x170 [ 1381.943102][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1381.943102][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.943102][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.943102][ T903] netlink_unicast+0x449/0x710 [ 1381.943102][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.943102][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.943102][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.943102][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.943102][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.943102][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.943102][ T903] [ 1381.944809][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1381.944809][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1381.944809][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1381.944809][ T903] ipv6_find_idev+0x102/0x170 [ 1381.944809][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1381.944809][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.944809][ T903] netlink_rcv_skb+0x130/0x360 [ 1381.944809][ T903] netlink_unicast+0x449/0x710 [ 1381.944809][ T903] netlink_sendmsg+0x723/0xbe0 [ 1381.944809][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1381.944809][ T903] ___sys_sendmsg+0xee/0x170 [ 1381.944809][ T903] __sys_sendmsg+0xcd/0x170 [ 1381.944809][ T903] do_syscall_64+0xc6/0x1e0 [ 1381.944809][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.944809][ T903] [ 1391.973805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1391.974337][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1391.974337][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1391.974337][ T903] ip6_validate_gw+0x3eb/0x790 [ 1391.974337][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1391.974337][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1391.974337][ T903] ip6_route_add+0x1c/0x140 [ 1391.974337][ T903] inet6_rtm_newroute+0x104/0x110 [ 1391.974337][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.974337][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.974337][ T903] netlink_unicast+0x449/0x710 [ 1391.974337][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.974337][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.974337][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.974337][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.974337][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.974337][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.974337][ T903] [ 1391.976556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1391.976556][ T903] netdev_get_by_index+0x5e/0x80 [ 1391.976556][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1391.976556][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1391.976556][ T903] ip6_route_add+0x1c/0x140 [ 1391.976556][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1391.976556][ T903] inet6_addr_add+0x4f8/0xa40 [ 1391.976556][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.976556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.976556][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.976556][ T903] netlink_unicast+0x449/0x710 [ 1391.976556][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.976556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.976556][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.976556][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.976556][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.976556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.976556][ T903] [ 1391.978775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1391.978775][ T903] netdev_get_by_index+0x5e/0x80 [ 1391.978775][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1391.978775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1391.978775][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1391.978775][ T903] ipv6_add_addr+0x411/0x2000 [ 1391.978775][ T903] inet6_addr_add+0x30e/0xa40 [ 1391.978775][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.978775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.978775][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.978775][ T903] netlink_unicast+0x449/0x710 [ 1391.978775][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.978775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.978775][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.978775][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.978775][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.978775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.978775][ T903] [ 1391.980990][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1391.980990][ T903] netdev_get_by_index+0x5e/0x80 [ 1391.980990][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1391.980990][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1391.980990][ T903] ip6_route_add+0x1c/0x140 [ 1391.980990][ T903] addrconf_add_mroute+0x129/0x180 [ 1391.980990][ T903] addrconf_add_dev+0xe2/0x170 [ 1391.980990][ T903] inet6_addr_add+0x12f/0xa40 [ 1391.980990][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.980990][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.980990][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.980990][ T903] netlink_unicast+0x449/0x710 [ 1391.980990][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.980990][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.980990][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.980990][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.980990][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.980990][ T903] [ 1391.983170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1391.983170][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1391.983170][ T903] ipv6_find_idev+0x102/0x170 [ 1391.983170][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1391.983170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.983170][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.983170][ T903] netlink_unicast+0x449/0x710 [ 1391.983170][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.983170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.983170][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.983170][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.983170][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.983170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.983170][ T903] [ 1391.984917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1391.984917][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1391.984917][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1391.984917][ T903] ipv6_find_idev+0x102/0x170 [ 1391.984917][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1391.984917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.984917][ T903] netlink_rcv_skb+0x130/0x360 [ 1391.984917][ T903] netlink_unicast+0x449/0x710 [ 1391.984917][ T903] netlink_sendmsg+0x723/0xbe0 [ 1391.984917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1391.984917][ T903] ___sys_sendmsg+0xee/0x170 [ 1391.984917][ T903] __sys_sendmsg+0xcd/0x170 [ 1391.984917][ T903] do_syscall_64+0xc6/0x1e0 [ 1391.984917][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.984917][ T903] [ 1402.229861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1402.230332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1402.230332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1402.230332][ T903] ip6_validate_gw+0x3eb/0x790 [ 1402.230332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1402.230332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1402.230332][ T903] ip6_route_add+0x1c/0x140 [ 1402.230332][ T903] inet6_rtm_newroute+0x104/0x110 [ 1402.230332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.230332][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.230332][ T903] netlink_unicast+0x449/0x710 [ 1402.230332][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.230332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.230332][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.230332][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.230332][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.230332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1402.230332][ T903] [ 1402.232465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1402.232465][ T903] netdev_get_by_index+0x5e/0x80 [ 1402.232465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1402.232465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1402.232465][ T903] ip6_route_add+0x1c/0x140 [ 1402.232465][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1402.232465][ T903] inet6_addr_add+0x4f8/0xa40 [ 1402.232465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1402.232465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.232465][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.232465][ T903] netlink_unicast+0x449/0x710 [ 1402.232465][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.232465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.232465][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.232465][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.232465][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.232465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1402.232465][ T903] [ 1402.234669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1402.234669][ T903] netdev_get_by_index+0x5e/0x80 [ 1402.234669][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1402.234669][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1402.234669][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1402.234669][ T903] ipv6_add_addr+0x411/0x2000 [ 1402.234669][ T903] inet6_addr_add+0x30e/0xa40 [ 1402.234669][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1402.234669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.234669][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.234669][ T903] netlink_unicast+0x449/0x710 [ 1402.234669][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.234669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.234669][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.234669][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.234669][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.234669][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1402.234669][ T903] [ 1402.236903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1402.236903][ T903] netdev_get_by_index+0x5e/0x80 [ 1402.236903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1402.236903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1402.236903][ T903] ip6_route_add+0x1c/0x140 [ 1402.236903][ T903] addrconf_add_mroute+0x129/0x180 [ 1402.236903][ T903] addrconf_add_dev+0xe2/0x170 [ 1402.236903][ T903] inet6_addr_add+0x12f/0xa40 [ 1402.236903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1402.236903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.236903][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.236903][ T903] netlink_unicast+0x449/0x710 [ 1402.236903][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.236903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.236903][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.236903][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.236903][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.236903][ T903] [ 1402.239067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1402.239067][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1402.239067][ T903] ipv6_find_idev+0x102/0x170 [ 1402.239067][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1402.239067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.239067][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.239067][ T903] netlink_unicast+0x449/0x710 [ 1402.239067][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.239067][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.239067][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.239067][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.239067][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.239067][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1402.239067][ T903] [ 1402.240757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1402.240757][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1402.240757][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1402.240757][ T903] ipv6_find_idev+0x102/0x170 [ 1402.240757][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1402.240757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1402.240757][ T903] netlink_rcv_skb+0x130/0x360 [ 1402.240757][ T903] netlink_unicast+0x449/0x710 [ 1402.240757][ T903] netlink_sendmsg+0x723/0xbe0 [ 1402.240757][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1402.240757][ T903] ___sys_sendmsg+0xee/0x170 [ 1402.240757][ T903] __sys_sendmsg+0xcd/0x170 [ 1402.240757][ T903] do_syscall_64+0xc6/0x1e0 [ 1402.240757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1402.240757][ T903] [ 1412.477878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1412.478389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1412.478389][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1412.478389][ T903] ip6_validate_gw+0x3eb/0x790 [ 1412.478389][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1412.478389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1412.478389][ T903] ip6_route_add+0x1c/0x140 [ 1412.478389][ T903] inet6_rtm_newroute+0x104/0x110 [ 1412.478389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.478389][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.478389][ T903] netlink_unicast+0x449/0x710 [ 1412.478389][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.478389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.478389][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.478389][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.478389][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.478389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1412.478389][ T903] [ 1412.480499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1412.480499][ T903] netdev_get_by_index+0x5e/0x80 [ 1412.480499][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1412.480499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1412.480499][ T903] ip6_route_add+0x1c/0x140 [ 1412.480499][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1412.480499][ T903] inet6_addr_add+0x4f8/0xa40 [ 1412.480499][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1412.480499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.480499][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.480499][ T903] netlink_unicast+0x449/0x710 [ 1412.480499][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.480499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.480499][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.480499][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.480499][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.480499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1412.480499][ T903] [ 1412.482766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1412.482766][ T903] netdev_get_by_index+0x5e/0x80 [ 1412.482766][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1412.482766][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1412.482766][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1412.482766][ T903] ipv6_add_addr+0x411/0x2000 [ 1412.482766][ T903] inet6_addr_add+0x30e/0xa40 [ 1412.482766][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1412.482766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.482766][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.482766][ T903] netlink_unicast+0x449/0x710 [ 1412.482766][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.482766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.482766][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.482766][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.482766][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.482766][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1412.482766][ T903] [ 1412.484970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1412.484970][ T903] netdev_get_by_index+0x5e/0x80 [ 1412.484970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1412.484970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1412.484970][ T903] ip6_route_add+0x1c/0x140 [ 1412.484970][ T903] addrconf_add_mroute+0x129/0x180 [ 1412.484970][ T903] addrconf_add_dev+0xe2/0x170 [ 1412.484970][ T903] inet6_addr_add+0x12f/0xa40 [ 1412.484970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1412.484970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.484970][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.484970][ T903] netlink_unicast+0x449/0x710 [ 1412.484970][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.484970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.484970][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.484970][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.484970][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.484970][ T903] [ 1412.487137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1412.487137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1412.487137][ T903] ipv6_find_idev+0x102/0x170 [ 1412.487137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1412.487137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.487137][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.487137][ T903] netlink_unicast+0x449/0x710 [ 1412.487137][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.487137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.487137][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.487137][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.487137][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.487137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1412.487137][ T903] [ 1412.488832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1412.488832][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1412.488832][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1412.488832][ T903] ipv6_find_idev+0x102/0x170 [ 1412.488832][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1412.488832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1412.488832][ T903] netlink_rcv_skb+0x130/0x360 [ 1412.488832][ T903] netlink_unicast+0x449/0x710 [ 1412.488832][ T903] netlink_sendmsg+0x723/0xbe0 [ 1412.488832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1412.488832][ T903] ___sys_sendmsg+0xee/0x170 [ 1412.488832][ T903] __sys_sendmsg+0xcd/0x170 [ 1412.488832][ T903] do_syscall_64+0xc6/0x1e0 [ 1412.488832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1412.488832][ T903] [ 1422.733801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1422.734262][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1422.734262][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1422.734262][ T903] ip6_validate_gw+0x3eb/0x790 [ 1422.734262][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1422.734262][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1422.734262][ T903] ip6_route_add+0x1c/0x140 [ 1422.734262][ T903] inet6_rtm_newroute+0x104/0x110 [ 1422.734262][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.734262][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.734262][ T903] netlink_unicast+0x449/0x710 [ 1422.734262][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.734262][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.734262][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.734262][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.734262][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.734262][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.734262][ T903] [ 1422.736366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1422.736366][ T903] netdev_get_by_index+0x5e/0x80 [ 1422.736366][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1422.736366][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1422.736366][ T903] ip6_route_add+0x1c/0x140 [ 1422.736366][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1422.736366][ T903] inet6_addr_add+0x4f8/0xa40 [ 1422.736366][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.736366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.736366][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.736366][ T903] netlink_unicast+0x449/0x710 [ 1422.736366][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.736366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.736366][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.736366][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.736366][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.736366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.736366][ T903] [ 1422.738563][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1422.738563][ T903] netdev_get_by_index+0x5e/0x80 [ 1422.738563][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1422.738563][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1422.738563][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1422.738563][ T903] ipv6_add_addr+0x411/0x2000 [ 1422.738563][ T903] inet6_addr_add+0x30e/0xa40 [ 1422.738563][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.738563][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.738563][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.738563][ T903] netlink_unicast+0x449/0x710 [ 1422.738563][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.738563][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.738563][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.738563][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.738563][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.738563][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.738563][ T903] [ 1422.740749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1422.740749][ T903] netdev_get_by_index+0x5e/0x80 [ 1422.740749][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1422.740749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1422.740749][ T903] ip6_route_add+0x1c/0x140 [ 1422.740749][ T903] addrconf_add_mroute+0x129/0x180 [ 1422.740749][ T903] addrconf_add_dev+0xe2/0x170 [ 1422.740749][ T903] inet6_addr_add+0x12f/0xa40 [ 1422.740749][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.740749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.740749][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.740749][ T903] netlink_unicast+0x449/0x710 [ 1422.740749][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.740749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.740749][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.740749][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.740749][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.740749][ T903] [ 1422.742898][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1422.742898][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1422.742898][ T903] ipv6_find_idev+0x102/0x170 [ 1422.742898][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1422.742898][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.742898][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.742898][ T903] netlink_unicast+0x449/0x710 [ 1422.742898][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.742898][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.742898][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.742898][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.742898][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.742898][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.742898][ T903] [ 1422.744579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1422.744579][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1422.744579][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1422.744579][ T903] ipv6_find_idev+0x102/0x170 [ 1422.744579][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1422.744579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.744579][ T903] netlink_rcv_skb+0x130/0x360 [ 1422.744579][ T903] netlink_unicast+0x449/0x710 [ 1422.744579][ T903] netlink_sendmsg+0x723/0xbe0 [ 1422.744579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1422.744579][ T903] ___sys_sendmsg+0xee/0x170 [ 1422.744579][ T903] __sys_sendmsg+0xcd/0x170 [ 1422.744579][ T903] do_syscall_64+0xc6/0x1e0 [ 1422.744579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.744579][ T903] [ 1432.757789][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1432.758240][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1432.758240][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1432.758240][ T903] ip6_validate_gw+0x3eb/0x790 [ 1432.758240][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1432.758240][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1432.758240][ T903] ip6_route_add+0x1c/0x140 [ 1432.758240][ T903] inet6_rtm_newroute+0x104/0x110 [ 1432.758240][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.758240][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.758240][ T903] netlink_unicast+0x449/0x710 [ 1432.758240][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.758240][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.758240][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.758240][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.758240][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.758240][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.758240][ T903] [ 1432.760343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1432.760343][ T903] netdev_get_by_index+0x5e/0x80 [ 1432.760343][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1432.760343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1432.760343][ T903] ip6_route_add+0x1c/0x140 [ 1432.760343][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1432.760343][ T903] inet6_addr_add+0x4f8/0xa40 [ 1432.760343][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.760343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.760343][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.760343][ T903] netlink_unicast+0x449/0x710 [ 1432.760343][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.760343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.760343][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.760343][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.760343][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.760343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.760343][ T903] [ 1432.762538][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1432.762538][ T903] netdev_get_by_index+0x5e/0x80 [ 1432.762538][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1432.762538][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1432.762538][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1432.762538][ T903] ipv6_add_addr+0x411/0x2000 [ 1432.762538][ T903] inet6_addr_add+0x30e/0xa40 [ 1432.762538][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.762538][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.762538][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.762538][ T903] netlink_unicast+0x449/0x710 [ 1432.762538][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.762538][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.762538][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.762538][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.762538][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.762538][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.762538][ T903] [ 1432.764738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1432.764738][ T903] netdev_get_by_index+0x5e/0x80 [ 1432.764738][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1432.764738][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1432.764738][ T903] ip6_route_add+0x1c/0x140 [ 1432.764738][ T903] addrconf_add_mroute+0x129/0x180 [ 1432.764738][ T903] addrconf_add_dev+0xe2/0x170 [ 1432.764738][ T903] inet6_addr_add+0x12f/0xa40 [ 1432.764738][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.764738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.764738][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.764738][ T903] netlink_unicast+0x449/0x710 [ 1432.764738][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.764738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.764738][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.764738][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.764738][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.764738][ T903] [ 1432.767300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1432.767300][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1432.767300][ T903] ipv6_find_idev+0x102/0x170 [ 1432.767300][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1432.767300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.767300][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.767300][ T903] netlink_unicast+0x449/0x710 [ 1432.767300][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.767300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.767300][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.767300][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.767300][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.767300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.767300][ T903] [ 1432.769094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1432.769094][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1432.769094][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1432.769094][ T903] ipv6_find_idev+0x102/0x170 [ 1432.769094][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1432.769094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.769094][ T903] netlink_rcv_skb+0x130/0x360 [ 1432.769094][ T903] netlink_unicast+0x449/0x710 [ 1432.769094][ T903] netlink_sendmsg+0x723/0xbe0 [ 1432.769094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1432.769094][ T903] ___sys_sendmsg+0xee/0x170 [ 1432.769094][ T903] __sys_sendmsg+0xcd/0x170 [ 1432.769094][ T903] do_syscall_64+0xc6/0x1e0 [ 1432.769094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.769094][ T903] [ 1443.013764][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1443.014398][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1443.014398][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1443.014398][ T903] ip6_validate_gw+0x3eb/0x790 [ 1443.014398][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1443.014398][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1443.014398][ T903] ip6_route_add+0x1c/0x140 [ 1443.014398][ T903] inet6_rtm_newroute+0x104/0x110 [ 1443.014398][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.014398][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.014398][ T903] netlink_unicast+0x449/0x710 [ 1443.014398][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.014398][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.014398][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.014398][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.014398][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.014398][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1443.014398][ T903] [ 1443.016514][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1443.016514][ T903] netdev_get_by_index+0x5e/0x80 [ 1443.016514][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1443.016514][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1443.016514][ T903] ip6_route_add+0x1c/0x140 [ 1443.016514][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1443.016514][ T903] inet6_addr_add+0x4f8/0xa40 [ 1443.016514][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1443.016514][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.016514][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.016514][ T903] netlink_unicast+0x449/0x710 [ 1443.016514][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.016514][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.016514][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.016514][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.016514][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.016514][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1443.016514][ T903] [ 1443.018712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1443.018712][ T903] netdev_get_by_index+0x5e/0x80 [ 1443.018712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1443.018712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1443.018712][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1443.018712][ T903] ipv6_add_addr+0x411/0x2000 [ 1443.018712][ T903] inet6_addr_add+0x30e/0xa40 [ 1443.018712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1443.018712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.018712][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.018712][ T903] netlink_unicast+0x449/0x710 [ 1443.018712][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.018712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.018712][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.018712][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.018712][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.018712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1443.018712][ T903] [ 1443.020897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1443.020897][ T903] netdev_get_by_index+0x5e/0x80 [ 1443.020897][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1443.020897][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1443.020897][ T903] ip6_route_add+0x1c/0x140 [ 1443.020897][ T903] addrconf_add_mroute+0x129/0x180 [ 1443.020897][ T903] addrconf_add_dev+0xe2/0x170 [ 1443.020897][ T903] inet6_addr_add+0x12f/0xa40 [ 1443.020897][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1443.020897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.020897][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.020897][ T903] netlink_unicast+0x449/0x710 [ 1443.020897][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.020897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.020897][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.020897][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.020897][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.020897][ T903] [ 1443.023046][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1443.023046][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1443.023046][ T903] ipv6_find_idev+0x102/0x170 [ 1443.023046][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1443.023046][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.023046][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.023046][ T903] netlink_unicast+0x449/0x710 [ 1443.023046][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.023046][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.023046][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.023046][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.023046][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.023046][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1443.023046][ T903] [ 1443.024734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1443.024734][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1443.024734][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1443.024734][ T903] ipv6_find_idev+0x102/0x170 [ 1443.024734][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1443.024734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1443.024734][ T903] netlink_rcv_skb+0x130/0x360 [ 1443.024734][ T903] netlink_unicast+0x449/0x710 [ 1443.024734][ T903] netlink_sendmsg+0x723/0xbe0 [ 1443.024734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1443.024734][ T903] ___sys_sendmsg+0xee/0x170 [ 1443.024734][ T903] __sys_sendmsg+0xcd/0x170 [ 1443.024734][ T903] do_syscall_64+0xc6/0x1e0 [ 1443.024734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1443.024734][ T903] [ 1453.261808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1453.262253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1453.262253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1453.262253][ T903] ip6_validate_gw+0x3eb/0x790 [ 1453.262253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1453.262253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1453.262253][ T903] ip6_route_add+0x1c/0x140 [ 1453.262253][ T903] inet6_rtm_newroute+0x104/0x110 [ 1453.262253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.262253][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.262253][ T903] netlink_unicast+0x449/0x710 [ 1453.262253][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.262253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.262253][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.262253][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.262253][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.262253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1453.262253][ T903] [ 1453.264378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1453.264378][ T903] netdev_get_by_index+0x5e/0x80 [ 1453.264378][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1453.264378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1453.264378][ T903] ip6_route_add+0x1c/0x140 [ 1453.264378][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1453.264378][ T903] inet6_addr_add+0x4f8/0xa40 [ 1453.264378][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1453.264378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.264378][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.264378][ T903] netlink_unicast+0x449/0x710 [ 1453.264378][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.264378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.264378][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.264378][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.264378][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.264378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1453.264378][ T903] [ 1453.266597][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1453.266597][ T903] netdev_get_by_index+0x5e/0x80 [ 1453.266597][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1453.266597][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1453.266597][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1453.266597][ T903] ipv6_add_addr+0x411/0x2000 [ 1453.266597][ T903] inet6_addr_add+0x30e/0xa40 [ 1453.266597][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1453.266597][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.266597][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.266597][ T903] netlink_unicast+0x449/0x710 [ 1453.266597][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.266597][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.266597][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.266597][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.266597][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.266597][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1453.266597][ T903] [ 1453.268793][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1453.268793][ T903] netdev_get_by_index+0x5e/0x80 [ 1453.268793][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1453.268793][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1453.268793][ T903] ip6_route_add+0x1c/0x140 [ 1453.268793][ T903] addrconf_add_mroute+0x129/0x180 [ 1453.268793][ T903] addrconf_add_dev+0xe2/0x170 [ 1453.268793][ T903] inet6_addr_add+0x12f/0xa40 [ 1453.268793][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1453.268793][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.268793][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.268793][ T903] netlink_unicast+0x449/0x710 [ 1453.268793][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.268793][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.268793][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.268793][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.268793][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.268793][ T903] [ 1453.271092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1453.271092][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1453.271092][ T903] ipv6_find_idev+0x102/0x170 [ 1453.271092][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1453.271092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.271092][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.271092][ T903] netlink_unicast+0x449/0x710 [ 1453.271092][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.271092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.271092][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.271092][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.271092][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.271092][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1453.271092][ T903] [ 1453.272781][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1453.272781][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1453.272781][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1453.272781][ T903] ipv6_find_idev+0x102/0x170 [ 1453.272781][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1453.272781][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1453.272781][ T903] netlink_rcv_skb+0x130/0x360 [ 1453.272781][ T903] netlink_unicast+0x449/0x710 [ 1453.272781][ T903] netlink_sendmsg+0x723/0xbe0 [ 1453.272781][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1453.272781][ T903] ___sys_sendmsg+0xee/0x170 [ 1453.272781][ T903] __sys_sendmsg+0xcd/0x170 [ 1453.272781][ T903] do_syscall_64+0xc6/0x1e0 [ 1453.272781][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1453.272781][ T903] [ 1463.509745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1463.510270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1463.510270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1463.510270][ T903] ip6_validate_gw+0x3eb/0x790 [ 1463.510270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1463.510270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1463.510270][ T903] ip6_route_add+0x1c/0x140 [ 1463.510270][ T903] inet6_rtm_newroute+0x104/0x110 [ 1463.510270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.510270][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.510270][ T903] netlink_unicast+0x449/0x710 [ 1463.510270][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.510270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.510270][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.510270][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.510270][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.510270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.510270][ T903] [ 1463.512420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1463.512420][ T903] netdev_get_by_index+0x5e/0x80 [ 1463.512420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1463.512420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1463.512420][ T903] ip6_route_add+0x1c/0x140 [ 1463.512420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1463.512420][ T903] inet6_addr_add+0x4f8/0xa40 [ 1463.512420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.512420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.512420][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.512420][ T903] netlink_unicast+0x449/0x710 [ 1463.512420][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.512420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.512420][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.512420][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.512420][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.512420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.512420][ T903] [ 1463.514607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1463.514607][ T903] netdev_get_by_index+0x5e/0x80 [ 1463.514607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1463.514607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1463.514607][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1463.514607][ T903] ipv6_add_addr+0x411/0x2000 [ 1463.514607][ T903] inet6_addr_add+0x30e/0xa40 [ 1463.514607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.514607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.514607][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.514607][ T903] netlink_unicast+0x449/0x710 [ 1463.514607][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.514607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.514607][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.514607][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.514607][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.514607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.514607][ T903] [ 1463.516797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1463.516797][ T903] netdev_get_by_index+0x5e/0x80 [ 1463.516797][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1463.516797][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1463.516797][ T903] ip6_route_add+0x1c/0x140 [ 1463.516797][ T903] addrconf_add_mroute+0x129/0x180 [ 1463.516797][ T903] addrconf_add_dev+0xe2/0x170 [ 1463.516797][ T903] inet6_addr_add+0x12f/0xa40 [ 1463.516797][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.516797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.516797][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.516797][ T903] netlink_unicast+0x449/0x710 [ 1463.516797][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.516797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.516797][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.516797][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.516797][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.516797][ T903] [ 1463.518948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1463.518948][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1463.518948][ T903] ipv6_find_idev+0x102/0x170 [ 1463.518948][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1463.518948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.518948][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.518948][ T903] netlink_unicast+0x449/0x710 [ 1463.518948][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.518948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.518948][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.518948][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.518948][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.518948][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.518948][ T903] [ 1463.520634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1463.520634][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1463.520634][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1463.520634][ T903] ipv6_find_idev+0x102/0x170 [ 1463.520634][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1463.520634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.520634][ T903] netlink_rcv_skb+0x130/0x360 [ 1463.520634][ T903] netlink_unicast+0x449/0x710 [ 1463.520634][ T903] netlink_sendmsg+0x723/0xbe0 [ 1463.520634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1463.520634][ T903] ___sys_sendmsg+0xee/0x170 [ 1463.520634][ T903] __sys_sendmsg+0xcd/0x170 [ 1463.520634][ T903] do_syscall_64+0xc6/0x1e0 [ 1463.520634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.520634][ T903] [ 1473.757826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1473.758395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1473.758395][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1473.758395][ T903] ip6_validate_gw+0x3eb/0x790 [ 1473.758395][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1473.758395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1473.758395][ T903] ip6_route_add+0x1c/0x140 [ 1473.758395][ T903] inet6_rtm_newroute+0x104/0x110 [ 1473.758395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.758395][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.758395][ T903] netlink_unicast+0x449/0x710 [ 1473.758395][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.758395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.758395][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.758395][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.758395][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.758395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.758395][ T903] [ 1473.760550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1473.760550][ T903] netdev_get_by_index+0x5e/0x80 [ 1473.760550][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1473.760550][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1473.760550][ T903] ip6_route_add+0x1c/0x140 [ 1473.760550][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1473.760550][ T903] inet6_addr_add+0x4f8/0xa40 [ 1473.760550][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.760550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.760550][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.760550][ T903] netlink_unicast+0x449/0x710 [ 1473.760550][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.760550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.760550][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.760550][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.760550][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.760550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.760550][ T903] [ 1473.762754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1473.762754][ T903] netdev_get_by_index+0x5e/0x80 [ 1473.762754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1473.762754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1473.762754][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1473.762754][ T903] ipv6_add_addr+0x411/0x2000 [ 1473.762754][ T903] inet6_addr_add+0x30e/0xa40 [ 1473.762754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.762754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.762754][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.762754][ T903] netlink_unicast+0x449/0x710 [ 1473.762754][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.762754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.762754][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.762754][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.762754][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.762754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.762754][ T903] [ 1473.764957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1473.764957][ T903] netdev_get_by_index+0x5e/0x80 [ 1473.764957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1473.764957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1473.764957][ T903] ip6_route_add+0x1c/0x140 [ 1473.764957][ T903] addrconf_add_mroute+0x129/0x180 [ 1473.764957][ T903] addrconf_add_dev+0xe2/0x170 [ 1473.764957][ T903] inet6_addr_add+0x12f/0xa40 [ 1473.764957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.764957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.764957][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.764957][ T903] netlink_unicast+0x449/0x710 [ 1473.764957][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.764957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.764957][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.764957][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.764957][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.764957][ T903] [ 1473.767107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1473.767107][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1473.767107][ T903] ipv6_find_idev+0x102/0x170 [ 1473.767107][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1473.767107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.767107][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.767107][ T903] netlink_unicast+0x449/0x710 [ 1473.767107][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.767107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.767107][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.767107][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.767107][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.767107][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.767107][ T903] [ 1473.768825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1473.768825][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1473.768825][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1473.768825][ T903] ipv6_find_idev+0x102/0x170 [ 1473.768825][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1473.768825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.768825][ T903] netlink_rcv_skb+0x130/0x360 [ 1473.768825][ T903] netlink_unicast+0x449/0x710 [ 1473.768825][ T903] netlink_sendmsg+0x723/0xbe0 [ 1473.768825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1473.768825][ T903] ___sys_sendmsg+0xee/0x170 [ 1473.768825][ T903] __sys_sendmsg+0xcd/0x170 [ 1473.768825][ T903] do_syscall_64+0xc6/0x1e0 [ 1473.768825][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.768825][ T903] [ 1484.013907][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1484.014350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1484.014350][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1484.014350][ T903] ip6_validate_gw+0x3eb/0x790 [ 1484.014350][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1484.014350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1484.014350][ T903] ip6_route_add+0x1c/0x140 [ 1484.014350][ T903] inet6_rtm_newroute+0x104/0x110 [ 1484.014350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.014350][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.014350][ T903] netlink_unicast+0x449/0x710 [ 1484.014350][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.014350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.014350][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.014350][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.014350][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.014350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1484.014350][ T903] [ 1484.016463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1484.016463][ T903] netdev_get_by_index+0x5e/0x80 [ 1484.016463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1484.016463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1484.016463][ T903] ip6_route_add+0x1c/0x140 [ 1484.016463][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1484.016463][ T903] inet6_addr_add+0x4f8/0xa40 [ 1484.016463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1484.016463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.016463][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.016463][ T903] netlink_unicast+0x449/0x710 [ 1484.016463][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.016463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.016463][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.016463][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.016463][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.016463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1484.016463][ T903] [ 1484.018659][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1484.018659][ T903] netdev_get_by_index+0x5e/0x80 [ 1484.018659][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1484.018659][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1484.018659][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1484.018659][ T903] ipv6_add_addr+0x411/0x2000 [ 1484.018659][ T903] inet6_addr_add+0x30e/0xa40 [ 1484.018659][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1484.018659][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.018659][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.018659][ T903] netlink_unicast+0x449/0x710 [ 1484.018659][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.018659][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.018659][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.018659][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.018659][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.018659][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1484.018659][ T903] [ 1484.020854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1484.020854][ T903] netdev_get_by_index+0x5e/0x80 [ 1484.020854][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1484.020854][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1484.020854][ T903] ip6_route_add+0x1c/0x140 [ 1484.020854][ T903] addrconf_add_mroute+0x129/0x180 [ 1484.020854][ T903] addrconf_add_dev+0xe2/0x170 [ 1484.020854][ T903] inet6_addr_add+0x12f/0xa40 [ 1484.020854][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1484.020854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.020854][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.020854][ T903] netlink_unicast+0x449/0x710 [ 1484.020854][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.020854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.020854][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.020854][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.020854][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.020854][ T903] [ 1484.023025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1484.023025][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1484.023025][ T903] ipv6_find_idev+0x102/0x170 [ 1484.023025][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1484.023025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.023025][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.023025][ T903] netlink_unicast+0x449/0x710 [ 1484.023025][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.023025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.023025][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.023025][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.023025][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.023025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1484.023025][ T903] [ 1484.024734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1484.024734][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1484.024734][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1484.024734][ T903] ipv6_find_idev+0x102/0x170 [ 1484.024734][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1484.024734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1484.024734][ T903] netlink_rcv_skb+0x130/0x360 [ 1484.024734][ T903] netlink_unicast+0x449/0x710 [ 1484.024734][ T903] netlink_sendmsg+0x723/0xbe0 [ 1484.024734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1484.024734][ T903] ___sys_sendmsg+0xee/0x170 [ 1484.024734][ T903] __sys_sendmsg+0xcd/0x170 [ 1484.024734][ T903] do_syscall_64+0xc6/0x1e0 [ 1484.024734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1484.024734][ T903] [ 1494.221778][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1494.222231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1494.222231][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1494.222231][ T903] ip6_validate_gw+0x3eb/0x790 [ 1494.222231][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1494.222231][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1494.222231][ T903] ip6_route_add+0x1c/0x140 [ 1494.222231][ T903] inet6_rtm_newroute+0x104/0x110 [ 1494.222231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.222231][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.222231][ T903] netlink_unicast+0x449/0x710 [ 1494.222231][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.222231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.222231][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.222231][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.222231][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.222231][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1494.222231][ T903] [ 1494.224324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1494.224324][ T903] netdev_get_by_index+0x5e/0x80 [ 1494.224324][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1494.224324][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1494.224324][ T903] ip6_route_add+0x1c/0x140 [ 1494.224324][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1494.224324][ T903] inet6_addr_add+0x4f8/0xa40 [ 1494.224324][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1494.224324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.224324][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.224324][ T903] netlink_unicast+0x449/0x710 [ 1494.224324][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.224324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.224324][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.224324][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.224324][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.224324][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1494.224324][ T903] [ 1494.226556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1494.226556][ T903] netdev_get_by_index+0x5e/0x80 [ 1494.226556][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1494.226556][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1494.226556][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1494.226556][ T903] ipv6_add_addr+0x411/0x2000 [ 1494.226556][ T903] inet6_addr_add+0x30e/0xa40 [ 1494.226556][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1494.226556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.226556][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.226556][ T903] netlink_unicast+0x449/0x710 [ 1494.226556][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.226556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.226556][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.226556][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.226556][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.226556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1494.226556][ T903] [ 1494.228754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1494.228754][ T903] netdev_get_by_index+0x5e/0x80 [ 1494.228754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1494.228754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1494.228754][ T903] ip6_route_add+0x1c/0x140 [ 1494.228754][ T903] addrconf_add_mroute+0x129/0x180 [ 1494.228754][ T903] addrconf_add_dev+0xe2/0x170 [ 1494.228754][ T903] inet6_addr_add+0x12f/0xa40 [ 1494.228754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1494.228754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.228754][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.228754][ T903] netlink_unicast+0x449/0x710 [ 1494.228754][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.228754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.228754][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.228754][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.228754][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.228754][ T903] [ 1494.230984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1494.230984][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1494.230984][ T903] ipv6_find_idev+0x102/0x170 [ 1494.230984][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1494.230984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.230984][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.230984][ T903] netlink_unicast+0x449/0x710 [ 1494.230984][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.230984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.230984][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.230984][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.230984][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.230984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1494.230984][ T903] [ 1494.232680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1494.232680][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1494.232680][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1494.232680][ T903] ipv6_find_idev+0x102/0x170 [ 1494.232680][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1494.232680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1494.232680][ T903] netlink_rcv_skb+0x130/0x360 [ 1494.232680][ T903] netlink_unicast+0x449/0x710 [ 1494.232680][ T903] netlink_sendmsg+0x723/0xbe0 [ 1494.232680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1494.232680][ T903] ___sys_sendmsg+0xee/0x170 [ 1494.232680][ T903] __sys_sendmsg+0xcd/0x170 [ 1494.232680][ T903] do_syscall_64+0xc6/0x1e0 [ 1494.232680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1494.232680][ T903] [ 1504.469811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1504.470261][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1504.470261][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1504.470261][ T903] ip6_validate_gw+0x3eb/0x790 [ 1504.470261][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1504.470261][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1504.470261][ T903] ip6_route_add+0x1c/0x140 [ 1504.470261][ T903] inet6_rtm_newroute+0x104/0x110 [ 1504.470261][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.470261][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.470261][ T903] netlink_unicast+0x449/0x710 [ 1504.470261][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.470261][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.470261][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.470261][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.470261][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.470261][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.470261][ T903] [ 1504.472378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1504.472378][ T903] netdev_get_by_index+0x5e/0x80 [ 1504.472378][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1504.472378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1504.472378][ T903] ip6_route_add+0x1c/0x140 [ 1504.472378][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1504.472378][ T903] inet6_addr_add+0x4f8/0xa40 [ 1504.472378][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.472378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.472378][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.472378][ T903] netlink_unicast+0x449/0x710 [ 1504.472378][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.472378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.472378][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.472378][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.472378][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.472378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.472378][ T903] [ 1504.474843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1504.474843][ T903] netdev_get_by_index+0x5e/0x80 [ 1504.474843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1504.474843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1504.474843][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1504.474843][ T903] ipv6_add_addr+0x411/0x2000 [ 1504.474843][ T903] inet6_addr_add+0x30e/0xa40 [ 1504.474843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.474843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.474843][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.474843][ T903] netlink_unicast+0x449/0x710 [ 1504.474843][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.474843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.474843][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.474843][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.474843][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.474843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.474843][ T903] [ 1504.477045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1504.477045][ T903] netdev_get_by_index+0x5e/0x80 [ 1504.477045][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1504.477045][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1504.477045][ T903] ip6_route_add+0x1c/0x140 [ 1504.477045][ T903] addrconf_add_mroute+0x129/0x180 [ 1504.477045][ T903] addrconf_add_dev+0xe2/0x170 [ 1504.477045][ T903] inet6_addr_add+0x12f/0xa40 [ 1504.477045][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.477045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.477045][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.477045][ T903] netlink_unicast+0x449/0x710 [ 1504.477045][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.477045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.477045][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.477045][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.477045][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.477045][ T903] [ 1504.479214][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1504.479214][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1504.479214][ T903] ipv6_find_idev+0x102/0x170 [ 1504.479214][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1504.479214][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.479214][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.479214][ T903] netlink_unicast+0x449/0x710 [ 1504.479214][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.479214][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.479214][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.479214][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.479214][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.479214][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.479214][ T903] [ 1504.480910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1504.480910][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1504.480910][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1504.480910][ T903] ipv6_find_idev+0x102/0x170 [ 1504.480910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1504.480910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.480910][ T903] netlink_rcv_skb+0x130/0x360 [ 1504.480910][ T903] netlink_unicast+0x449/0x710 [ 1504.480910][ T903] netlink_sendmsg+0x723/0xbe0 [ 1504.480910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1504.480910][ T903] ___sys_sendmsg+0xee/0x170 [ 1504.480910][ T903] __sys_sendmsg+0xcd/0x170 [ 1504.480910][ T903] do_syscall_64+0xc6/0x1e0 [ 1504.480910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.480910][ T903] [ 1514.725737][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1514.726259][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1514.726259][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1514.726259][ T903] ip6_validate_gw+0x3eb/0x790 [ 1514.726259][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1514.726259][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1514.726259][ T903] ip6_route_add+0x1c/0x140 [ 1514.726259][ T903] inet6_rtm_newroute+0x104/0x110 [ 1514.726259][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.726259][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.726259][ T903] netlink_unicast+0x449/0x710 [ 1514.726259][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.726259][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.726259][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.726259][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.726259][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.726259][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.726259][ T903] [ 1514.728361][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1514.728361][ T903] netdev_get_by_index+0x5e/0x80 [ 1514.728361][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1514.728361][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1514.728361][ T903] ip6_route_add+0x1c/0x140 [ 1514.728361][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1514.728361][ T903] inet6_addr_add+0x4f8/0xa40 [ 1514.728361][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.728361][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.728361][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.728361][ T903] netlink_unicast+0x449/0x710 [ 1514.728361][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.728361][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.728361][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.728361][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.728361][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.728361][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.728361][ T903] [ 1514.730950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1514.730950][ T903] netdev_get_by_index+0x5e/0x80 [ 1514.730950][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1514.730950][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1514.730950][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1514.730950][ T903] ipv6_add_addr+0x411/0x2000 [ 1514.730950][ T903] inet6_addr_add+0x30e/0xa40 [ 1514.730950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.730950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.730950][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.730950][ T903] netlink_unicast+0x449/0x710 [ 1514.730950][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.730950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.730950][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.730950][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.730950][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.730950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.730950][ T903] [ 1514.733152][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1514.733152][ T903] netdev_get_by_index+0x5e/0x80 [ 1514.733152][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1514.733152][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1514.733152][ T903] ip6_route_add+0x1c/0x140 [ 1514.733152][ T903] addrconf_add_mroute+0x129/0x180 [ 1514.733152][ T903] addrconf_add_dev+0xe2/0x170 [ 1514.733152][ T903] inet6_addr_add+0x12f/0xa40 [ 1514.733152][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.733152][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.733152][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.733152][ T903] netlink_unicast+0x449/0x710 [ 1514.733152][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.733152][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.733152][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.733152][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.733152][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.733152][ T903] [ 1514.735318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1514.735318][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1514.735318][ T903] ipv6_find_idev+0x102/0x170 [ 1514.735318][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1514.735318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.735318][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.735318][ T903] netlink_unicast+0x449/0x710 [ 1514.735318][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.735318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.735318][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.735318][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.735318][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.735318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.735318][ T903] [ 1514.737013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1514.737013][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1514.737013][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1514.737013][ T903] ipv6_find_idev+0x102/0x170 [ 1514.737013][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1514.737013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.737013][ T903] netlink_rcv_skb+0x130/0x360 [ 1514.737013][ T903] netlink_unicast+0x449/0x710 [ 1514.737013][ T903] netlink_sendmsg+0x723/0xbe0 [ 1514.737013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1514.737013][ T903] ___sys_sendmsg+0xee/0x170 [ 1514.737013][ T903] __sys_sendmsg+0xcd/0x170 [ 1514.737013][ T903] do_syscall_64+0xc6/0x1e0 [ 1514.737013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.737013][ T903] [ 1524.981799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1524.982320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1524.982320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1524.982320][ T903] ip6_validate_gw+0x3eb/0x790 [ 1524.982320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1524.982320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1524.982320][ T903] ip6_route_add+0x1c/0x140 [ 1524.982320][ T903] inet6_rtm_newroute+0x104/0x110 [ 1524.982320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.982320][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.982320][ T903] netlink_unicast+0x449/0x710 [ 1524.982320][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.982320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.982320][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.982320][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.982320][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.982320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.982320][ T903] [ 1524.984415][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1524.984415][ T903] netdev_get_by_index+0x5e/0x80 [ 1524.984415][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1524.984415][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1524.984415][ T903] ip6_route_add+0x1c/0x140 [ 1524.984415][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1524.984415][ T903] inet6_addr_add+0x4f8/0xa40 [ 1524.984415][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.984415][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.984415][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.984415][ T903] netlink_unicast+0x449/0x710 [ 1524.984415][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.984415][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.984415][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.984415][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.984415][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.984415][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.984415][ T903] [ 1524.986633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1524.986633][ T903] netdev_get_by_index+0x5e/0x80 [ 1524.986633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1524.986633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1524.986633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1524.986633][ T903] ipv6_add_addr+0x411/0x2000 [ 1524.986633][ T903] inet6_addr_add+0x30e/0xa40 [ 1524.986633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.986633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.986633][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.986633][ T903] netlink_unicast+0x449/0x710 [ 1524.986633][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.986633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.986633][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.986633][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.986633][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.986633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.986633][ T903] [ 1524.988833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1524.988833][ T903] netdev_get_by_index+0x5e/0x80 [ 1524.988833][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1524.988833][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1524.988833][ T903] ip6_route_add+0x1c/0x140 [ 1524.988833][ T903] addrconf_add_mroute+0x129/0x180 [ 1524.988833][ T903] addrconf_add_dev+0xe2/0x170 [ 1524.988833][ T903] inet6_addr_add+0x12f/0xa40 [ 1524.988833][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.988833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.988833][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.988833][ T903] netlink_unicast+0x449/0x710 [ 1524.988833][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.988833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.988833][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.988833][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.988833][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.988833][ T903] [ 1524.990998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1524.990998][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1524.990998][ T903] ipv6_find_idev+0x102/0x170 [ 1524.990998][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1524.990998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.990998][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.990998][ T903] netlink_unicast+0x449/0x710 [ 1524.990998][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.990998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.990998][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.990998][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.990998][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.990998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.990998][ T903] [ 1524.992691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1524.992691][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1524.992691][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1524.992691][ T903] ipv6_find_idev+0x102/0x170 [ 1524.992691][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1524.992691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.992691][ T903] netlink_rcv_skb+0x130/0x360 [ 1524.992691][ T903] netlink_unicast+0x449/0x710 [ 1524.992691][ T903] netlink_sendmsg+0x723/0xbe0 [ 1524.992691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1524.992691][ T903] ___sys_sendmsg+0xee/0x170 [ 1524.992691][ T903] __sys_sendmsg+0xcd/0x170 [ 1524.992691][ T903] do_syscall_64+0xc6/0x1e0 [ 1524.992691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.992691][ T903] [ 1535.229812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1535.230269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1535.230269][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1535.230269][ T903] ip6_validate_gw+0x3eb/0x790 [ 1535.230269][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1535.230269][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1535.230269][ T903] ip6_route_add+0x1c/0x140 [ 1535.230269][ T903] inet6_rtm_newroute+0x104/0x110 [ 1535.230269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.230269][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.230269][ T903] netlink_unicast+0x449/0x710 [ 1535.230269][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.230269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.230269][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.230269][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.230269][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.230269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1535.230269][ T903] [ 1535.232350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1535.232350][ T903] netdev_get_by_index+0x5e/0x80 [ 1535.232350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1535.232350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1535.232350][ T903] ip6_route_add+0x1c/0x140 [ 1535.232350][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1535.232350][ T903] inet6_addr_add+0x4f8/0xa40 [ 1535.232350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1535.232350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.232350][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.232350][ T903] netlink_unicast+0x449/0x710 [ 1535.232350][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.232350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.232350][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.232350][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.232350][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.232350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1535.232350][ T903] [ 1535.234572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1535.234572][ T903] netdev_get_by_index+0x5e/0x80 [ 1535.234572][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1535.234572][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1535.234572][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1535.234572][ T903] ipv6_add_addr+0x411/0x2000 [ 1535.234572][ T903] inet6_addr_add+0x30e/0xa40 [ 1535.234572][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1535.234572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.234572][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.234572][ T903] netlink_unicast+0x449/0x710 [ 1535.234572][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.234572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.234572][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.234572][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.234572][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.234572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1535.234572][ T903] [ 1535.236774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1535.236774][ T903] netdev_get_by_index+0x5e/0x80 [ 1535.236774][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1535.236774][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1535.236774][ T903] ip6_route_add+0x1c/0x140 [ 1535.236774][ T903] addrconf_add_mroute+0x129/0x180 [ 1535.236774][ T903] addrconf_add_dev+0xe2/0x170 [ 1535.236774][ T903] inet6_addr_add+0x12f/0xa40 [ 1535.236774][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1535.236774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.236774][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.236774][ T903] netlink_unicast+0x449/0x710 [ 1535.236774][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.236774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.236774][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.236774][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.236774][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.236774][ T903] [ 1535.238927][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1535.238927][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1535.238927][ T903] ipv6_find_idev+0x102/0x170 [ 1535.238927][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1535.238927][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.238927][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.238927][ T903] netlink_unicast+0x449/0x710 [ 1535.238927][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.238927][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.238927][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.238927][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.238927][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.238927][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1535.238927][ T903] [ 1535.240615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1535.240615][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1535.240615][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1535.240615][ T903] ipv6_find_idev+0x102/0x170 [ 1535.240615][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1535.240615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1535.240615][ T903] netlink_rcv_skb+0x130/0x360 [ 1535.240615][ T903] netlink_unicast+0x449/0x710 [ 1535.240615][ T903] netlink_sendmsg+0x723/0xbe0 [ 1535.240615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1535.240615][ T903] ___sys_sendmsg+0xee/0x170 [ 1535.240615][ T903] __sys_sendmsg+0xcd/0x170 [ 1535.240615][ T903] do_syscall_64+0xc6/0x1e0 [ 1535.240615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1535.240615][ T903] [ 1545.261869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1545.262325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1545.262325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1545.262325][ T903] ip6_validate_gw+0x3eb/0x790 [ 1545.262325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1545.262325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1545.262325][ T903] ip6_route_add+0x1c/0x140 [ 1545.262325][ T903] inet6_rtm_newroute+0x104/0x110 [ 1545.262325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.262325][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.262325][ T903] netlink_unicast+0x449/0x710 [ 1545.262325][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.262325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.262325][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.262325][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.262325][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.262325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1545.262325][ T903] [ 1545.264420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1545.264420][ T903] netdev_get_by_index+0x5e/0x80 [ 1545.264420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1545.264420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1545.264420][ T903] ip6_route_add+0x1c/0x140 [ 1545.264420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1545.264420][ T903] inet6_addr_add+0x4f8/0xa40 [ 1545.264420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1545.264420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.264420][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.264420][ T903] netlink_unicast+0x449/0x710 [ 1545.264420][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.264420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.264420][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.264420][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.264420][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.264420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1545.264420][ T903] [ 1545.266646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1545.266646][ T903] netdev_get_by_index+0x5e/0x80 [ 1545.266646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1545.266646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1545.266646][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1545.266646][ T903] ipv6_add_addr+0x411/0x2000 [ 1545.266646][ T903] inet6_addr_add+0x30e/0xa40 [ 1545.266646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1545.266646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.266646][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.266646][ T903] netlink_unicast+0x449/0x710 [ 1545.266646][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.266646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.266646][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.266646][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.266646][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.266646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1545.266646][ T903] [ 1545.268845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1545.268845][ T903] netdev_get_by_index+0x5e/0x80 [ 1545.268845][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1545.268845][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1545.268845][ T903] ip6_route_add+0x1c/0x140 [ 1545.268845][ T903] addrconf_add_mroute+0x129/0x180 [ 1545.268845][ T903] addrconf_add_dev+0xe2/0x170 [ 1545.268845][ T903] inet6_addr_add+0x12f/0xa40 [ 1545.268845][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1545.268845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.268845][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.268845][ T903] netlink_unicast+0x449/0x710 [ 1545.268845][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.268845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.268845][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.268845][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.268845][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.268845][ T903] [ 1545.270996][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1545.270996][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1545.270996][ T903] ipv6_find_idev+0x102/0x170 [ 1545.270996][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1545.270996][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.270996][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.270996][ T903] netlink_unicast+0x449/0x710 [ 1545.270996][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.270996][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.270996][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.270996][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.270996][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.270996][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1545.270996][ T903] [ 1545.272683][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1545.272683][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1545.272683][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1545.272683][ T903] ipv6_find_idev+0x102/0x170 [ 1545.272683][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1545.272683][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1545.272683][ T903] netlink_rcv_skb+0x130/0x360 [ 1545.272683][ T903] netlink_unicast+0x449/0x710 [ 1545.272683][ T903] netlink_sendmsg+0x723/0xbe0 [ 1545.272683][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1545.272683][ T903] ___sys_sendmsg+0xee/0x170 [ 1545.272683][ T903] __sys_sendmsg+0xcd/0x170 [ 1545.272683][ T903] do_syscall_64+0xc6/0x1e0 [ 1545.272683][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1545.272683][ T903] [ 1555.517794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1555.518239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1555.518239][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1555.518239][ T903] ip6_validate_gw+0x3eb/0x790 [ 1555.518239][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1555.518239][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1555.518239][ T903] ip6_route_add+0x1c/0x140 [ 1555.518239][ T903] inet6_rtm_newroute+0x104/0x110 [ 1555.518239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.518239][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.518239][ T903] netlink_unicast+0x449/0x710 [ 1555.518239][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.518239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.518239][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.518239][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.518239][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.518239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1555.518239][ T903] [ 1555.520335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1555.520335][ T903] netdev_get_by_index+0x5e/0x80 [ 1555.520335][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1555.520335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1555.520335][ T903] ip6_route_add+0x1c/0x140 [ 1555.520335][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1555.520335][ T903] inet6_addr_add+0x4f8/0xa40 [ 1555.520335][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1555.520335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.520335][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.520335][ T903] netlink_unicast+0x449/0x710 [ 1555.520335][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.520335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.520335][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.520335][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.520335][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.520335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1555.520335][ T903] [ 1555.522564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1555.522564][ T903] netdev_get_by_index+0x5e/0x80 [ 1555.522564][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1555.522564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1555.522564][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1555.522564][ T903] ipv6_add_addr+0x411/0x2000 [ 1555.522564][ T903] inet6_addr_add+0x30e/0xa40 [ 1555.522564][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1555.522564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.522564][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.522564][ T903] netlink_unicast+0x449/0x710 [ 1555.522564][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.522564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.522564][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.522564][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.522564][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.522564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1555.522564][ T903] [ 1555.524768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1555.524768][ T903] netdev_get_by_index+0x5e/0x80 [ 1555.524768][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1555.524768][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1555.524768][ T903] ip6_route_add+0x1c/0x140 [ 1555.524768][ T903] addrconf_add_mroute+0x129/0x180 [ 1555.524768][ T903] addrconf_add_dev+0xe2/0x170 [ 1555.524768][ T903] inet6_addr_add+0x12f/0xa40 [ 1555.524768][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1555.524768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.524768][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.524768][ T903] netlink_unicast+0x449/0x710 [ 1555.524768][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.524768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.524768][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.524768][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.524768][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.524768][ T903] [ 1555.526963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1555.526963][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1555.526963][ T903] ipv6_find_idev+0x102/0x170 [ 1555.526963][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1555.526963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.526963][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.526963][ T903] netlink_unicast+0x449/0x710 [ 1555.526963][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.526963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.526963][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.526963][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.526963][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.526963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1555.526963][ T903] [ 1555.528654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1555.528654][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1555.528654][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1555.528654][ T903] ipv6_find_idev+0x102/0x170 [ 1555.528654][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1555.528654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1555.528654][ T903] netlink_rcv_skb+0x130/0x360 [ 1555.528654][ T903] netlink_unicast+0x449/0x710 [ 1555.528654][ T903] netlink_sendmsg+0x723/0xbe0 [ 1555.528654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1555.528654][ T903] ___sys_sendmsg+0xee/0x170 [ 1555.528654][ T903] __sys_sendmsg+0xcd/0x170 [ 1555.528654][ T903] do_syscall_64+0xc6/0x1e0 [ 1555.528654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1555.528654][ T903] [ 1565.781793][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1565.782312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1565.782312][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1565.782312][ T903] ip6_validate_gw+0x3eb/0x790 [ 1565.782312][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1565.782312][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1565.782312][ T903] ip6_route_add+0x1c/0x140 [ 1565.782312][ T903] inet6_rtm_newroute+0x104/0x110 [ 1565.782312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.782312][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.782312][ T903] netlink_unicast+0x449/0x710 [ 1565.782312][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.782312][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.782312][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.782312][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.782312][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.782312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.782312][ T903] [ 1565.784426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1565.784426][ T903] netdev_get_by_index+0x5e/0x80 [ 1565.784426][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1565.784426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1565.784426][ T903] ip6_route_add+0x1c/0x140 [ 1565.784426][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1565.784426][ T903] inet6_addr_add+0x4f8/0xa40 [ 1565.784426][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.784426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.784426][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.784426][ T903] netlink_unicast+0x449/0x710 [ 1565.784426][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.784426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.784426][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.784426][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.784426][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.784426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.784426][ T903] [ 1565.786624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1565.786624][ T903] netdev_get_by_index+0x5e/0x80 [ 1565.786624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1565.786624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1565.786624][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1565.786624][ T903] ipv6_add_addr+0x411/0x2000 [ 1565.786624][ T903] inet6_addr_add+0x30e/0xa40 [ 1565.786624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.786624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.786624][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.786624][ T903] netlink_unicast+0x449/0x710 [ 1565.786624][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.786624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.786624][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.786624][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.786624][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.786624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.786624][ T903] [ 1565.788940][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1565.788940][ T903] netdev_get_by_index+0x5e/0x80 [ 1565.788940][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1565.788940][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1565.788940][ T903] ip6_route_add+0x1c/0x140 [ 1565.788940][ T903] addrconf_add_mroute+0x129/0x180 [ 1565.788940][ T903] addrconf_add_dev+0xe2/0x170 [ 1565.788940][ T903] inet6_addr_add+0x12f/0xa40 [ 1565.788940][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.788940][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.788940][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.788940][ T903] netlink_unicast+0x449/0x710 [ 1565.788940][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.788940][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.788940][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.788940][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.788940][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.788940][ T903] [ 1565.791102][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1565.791102][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1565.791102][ T903] ipv6_find_idev+0x102/0x170 [ 1565.791102][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1565.791102][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.791102][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.791102][ T903] netlink_unicast+0x449/0x710 [ 1565.791102][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.791102][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.791102][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.791102][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.791102][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.791102][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.791102][ T903] [ 1565.792796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1565.792796][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1565.792796][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1565.792796][ T903] ipv6_find_idev+0x102/0x170 [ 1565.792796][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1565.792796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.792796][ T903] netlink_rcv_skb+0x130/0x360 [ 1565.792796][ T903] netlink_unicast+0x449/0x710 [ 1565.792796][ T903] netlink_sendmsg+0x723/0xbe0 [ 1565.792796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1565.792796][ T903] ___sys_sendmsg+0xee/0x170 [ 1565.792796][ T903] __sys_sendmsg+0xcd/0x170 [ 1565.792796][ T903] do_syscall_64+0xc6/0x1e0 [ 1565.792796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.792796][ T903] [ 1576.045812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1576.046322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1576.046322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1576.046322][ T903] ip6_validate_gw+0x3eb/0x790 [ 1576.046322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1576.046322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1576.046322][ T903] ip6_route_add+0x1c/0x140 [ 1576.046322][ T903] inet6_rtm_newroute+0x104/0x110 [ 1576.046322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.046322][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.046322][ T903] netlink_unicast+0x449/0x710 [ 1576.046322][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.046322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.046322][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.046322][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.046322][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.046322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1576.046322][ T903] [ 1576.048429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1576.048429][ T903] netdev_get_by_index+0x5e/0x80 [ 1576.048429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1576.048429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1576.048429][ T903] ip6_route_add+0x1c/0x140 [ 1576.048429][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1576.048429][ T903] inet6_addr_add+0x4f8/0xa40 [ 1576.048429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1576.048429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.048429][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.048429][ T903] netlink_unicast+0x449/0x710 [ 1576.048429][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.048429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.048429][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.048429][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.048429][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.048429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1576.048429][ T903] [ 1576.050755][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1576.050755][ T903] netdev_get_by_index+0x5e/0x80 [ 1576.050755][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1576.050755][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1576.050755][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1576.050755][ T903] ipv6_add_addr+0x411/0x2000 [ 1576.050755][ T903] inet6_addr_add+0x30e/0xa40 [ 1576.050755][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1576.050755][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.050755][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.050755][ T903] netlink_unicast+0x449/0x710 [ 1576.050755][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.050755][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.050755][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.050755][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.050755][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.050755][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1576.050755][ T903] [ 1576.053331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1576.053331][ T903] netdev_get_by_index+0x5e/0x80 [ 1576.053331][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1576.053331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1576.053331][ T903] ip6_route_add+0x1c/0x140 [ 1576.053331][ T903] addrconf_add_mroute+0x129/0x180 [ 1576.053331][ T903] addrconf_add_dev+0xe2/0x170 [ 1576.053331][ T903] inet6_addr_add+0x12f/0xa40 [ 1576.053331][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1576.053331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.053331][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.053331][ T903] netlink_unicast+0x449/0x710 [ 1576.053331][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.053331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.053331][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.053331][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.053331][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.053331][ T903] [ 1576.055491][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1576.055491][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1576.055491][ T903] ipv6_find_idev+0x102/0x170 [ 1576.055491][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1576.055491][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.055491][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.055491][ T903] netlink_unicast+0x449/0x710 [ 1576.055491][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.055491][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.055491][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.055491][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.055491][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.055491][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1576.055491][ T903] [ 1576.057179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1576.057179][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1576.057179][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1576.057179][ T903] ipv6_find_idev+0x102/0x170 [ 1576.057179][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1576.057179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1576.057179][ T903] netlink_rcv_skb+0x130/0x360 [ 1576.057179][ T903] netlink_unicast+0x449/0x710 [ 1576.057179][ T903] netlink_sendmsg+0x723/0xbe0 [ 1576.057179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1576.057179][ T903] ___sys_sendmsg+0xee/0x170 [ 1576.057179][ T903] __sys_sendmsg+0xcd/0x170 [ 1576.057179][ T903] do_syscall_64+0xc6/0x1e0 [ 1576.057179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1576.057179][ T903] [ 1586.309797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1586.310308][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1586.310308][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1586.310308][ T903] ip6_validate_gw+0x3eb/0x790 [ 1586.310308][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1586.310308][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1586.310308][ T903] ip6_route_add+0x1c/0x140 [ 1586.310308][ T903] inet6_rtm_newroute+0x104/0x110 [ 1586.310308][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.310308][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.310308][ T903] netlink_unicast+0x449/0x710 [ 1586.310308][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.310308][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.310308][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.310308][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.310308][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.310308][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1586.310308][ T903] [ 1586.312410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1586.312410][ T903] netdev_get_by_index+0x5e/0x80 [ 1586.312410][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1586.312410][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1586.312410][ T903] ip6_route_add+0x1c/0x140 [ 1586.312410][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1586.312410][ T903] inet6_addr_add+0x4f8/0xa40 [ 1586.312410][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1586.312410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.312410][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.312410][ T903] netlink_unicast+0x449/0x710 [ 1586.312410][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.312410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.312410][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.312410][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.312410][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.312410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1586.312410][ T903] [ 1586.314605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1586.314605][ T903] netdev_get_by_index+0x5e/0x80 [ 1586.314605][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1586.314605][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1586.314605][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1586.314605][ T903] ipv6_add_addr+0x411/0x2000 [ 1586.314605][ T903] inet6_addr_add+0x30e/0xa40 [ 1586.314605][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1586.314605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.314605][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.314605][ T903] netlink_unicast+0x449/0x710 [ 1586.314605][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.314605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.314605][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.314605][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.314605][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.314605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1586.314605][ T903] [ 1586.316798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1586.316798][ T903] netdev_get_by_index+0x5e/0x80 [ 1586.316798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1586.316798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1586.316798][ T903] ip6_route_add+0x1c/0x140 [ 1586.316798][ T903] addrconf_add_mroute+0x129/0x180 [ 1586.316798][ T903] addrconf_add_dev+0xe2/0x170 [ 1586.316798][ T903] inet6_addr_add+0x12f/0xa40 [ 1586.316798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1586.316798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.316798][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.316798][ T903] netlink_unicast+0x449/0x710 [ 1586.316798][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.316798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.316798][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.316798][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.316798][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.316798][ T903] [ 1586.319064][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1586.319064][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1586.319064][ T903] ipv6_find_idev+0x102/0x170 [ 1586.319064][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1586.319064][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.319064][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.319064][ T903] netlink_unicast+0x449/0x710 [ 1586.319064][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.319064][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.319064][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.319064][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.319064][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.319064][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1586.319064][ T903] [ 1586.320755][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1586.320755][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1586.320755][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1586.320755][ T903] ipv6_find_idev+0x102/0x170 [ 1586.320755][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1586.320755][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1586.320755][ T903] netlink_rcv_skb+0x130/0x360 [ 1586.320755][ T903] netlink_unicast+0x449/0x710 [ 1586.320755][ T903] netlink_sendmsg+0x723/0xbe0 [ 1586.320755][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1586.320755][ T903] ___sys_sendmsg+0xee/0x170 [ 1586.320755][ T903] __sys_sendmsg+0xcd/0x170 [ 1586.320755][ T903] do_syscall_64+0xc6/0x1e0 [ 1586.320755][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1586.320755][ T903] [ 1596.573791][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1596.574313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1596.574313][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1596.574313][ T903] ip6_validate_gw+0x3eb/0x790 [ 1596.574313][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1596.574313][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1596.574313][ T903] ip6_route_add+0x1c/0x140 [ 1596.574313][ T903] inet6_rtm_newroute+0x104/0x110 [ 1596.574313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.574313][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.574313][ T903] netlink_unicast+0x449/0x710 [ 1596.574313][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.574313][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.574313][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.574313][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.574313][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.574313][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1596.574313][ T903] [ 1596.576417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1596.576417][ T903] netdev_get_by_index+0x5e/0x80 [ 1596.576417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1596.576417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1596.576417][ T903] ip6_route_add+0x1c/0x140 [ 1596.576417][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1596.576417][ T903] inet6_addr_add+0x4f8/0xa40 [ 1596.576417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1596.576417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.576417][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.576417][ T903] netlink_unicast+0x449/0x710 [ 1596.576417][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.576417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.576417][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.576417][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.576417][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.576417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1596.576417][ T903] [ 1596.578619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1596.578619][ T903] netdev_get_by_index+0x5e/0x80 [ 1596.578619][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1596.578619][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1596.578619][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1596.578619][ T903] ipv6_add_addr+0x411/0x2000 [ 1596.578619][ T903] inet6_addr_add+0x30e/0xa40 [ 1596.578619][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1596.578619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.578619][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.578619][ T903] netlink_unicast+0x449/0x710 [ 1596.578619][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.578619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.578619][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.578619][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.578619][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.578619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1596.578619][ T903] [ 1596.580919][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1596.580919][ T903] netdev_get_by_index+0x5e/0x80 [ 1596.580919][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1596.580919][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1596.580919][ T903] ip6_route_add+0x1c/0x140 [ 1596.580919][ T903] addrconf_add_mroute+0x129/0x180 [ 1596.580919][ T903] addrconf_add_dev+0xe2/0x170 [ 1596.580919][ T903] inet6_addr_add+0x12f/0xa40 [ 1596.580919][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1596.580919][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.580919][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.580919][ T903] netlink_unicast+0x449/0x710 [ 1596.580919][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.580919][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.580919][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.580919][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.580919][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.580919][ T903] [ 1596.583080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1596.583080][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1596.583080][ T903] ipv6_find_idev+0x102/0x170 [ 1596.583080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1596.583080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.583080][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.583080][ T903] netlink_unicast+0x449/0x710 [ 1596.583080][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.583080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.583080][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.583080][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.583080][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.583080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1596.583080][ T903] [ 1596.584787][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1596.584787][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1596.584787][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1596.584787][ T903] ipv6_find_idev+0x102/0x170 [ 1596.584787][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1596.584787][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1596.584787][ T903] netlink_rcv_skb+0x130/0x360 [ 1596.584787][ T903] netlink_unicast+0x449/0x710 [ 1596.584787][ T903] netlink_sendmsg+0x723/0xbe0 [ 1596.584787][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1596.584787][ T903] ___sys_sendmsg+0xee/0x170 [ 1596.584787][ T903] __sys_sendmsg+0xcd/0x170 [ 1596.584787][ T903] do_syscall_64+0xc6/0x1e0 [ 1596.584787][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1596.584787][ T903] [ 1606.837818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1606.838279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1606.838279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1606.838279][ T903] ip6_validate_gw+0x3eb/0x790 [ 1606.838279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1606.838279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1606.838279][ T903] ip6_route_add+0x1c/0x140 [ 1606.838279][ T903] inet6_rtm_newroute+0x104/0x110 [ 1606.838279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.838279][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.838279][ T903] netlink_unicast+0x449/0x710 [ 1606.838279][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.838279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.838279][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.838279][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.838279][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.838279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.838279][ T903] [ 1606.840365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1606.840365][ T903] netdev_get_by_index+0x5e/0x80 [ 1606.840365][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1606.840365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1606.840365][ T903] ip6_route_add+0x1c/0x140 [ 1606.840365][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1606.840365][ T903] inet6_addr_add+0x4f8/0xa40 [ 1606.840365][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.840365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.840365][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.840365][ T903] netlink_unicast+0x449/0x710 [ 1606.840365][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.840365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.840365][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.840365][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.840365][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.840365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.840365][ T903] [ 1606.842699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1606.842699][ T903] netdev_get_by_index+0x5e/0x80 [ 1606.842699][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1606.842699][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1606.842699][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1606.842699][ T903] ipv6_add_addr+0x411/0x2000 [ 1606.842699][ T903] inet6_addr_add+0x30e/0xa40 [ 1606.842699][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.842699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.842699][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.842699][ T903] netlink_unicast+0x449/0x710 [ 1606.842699][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.842699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.842699][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.842699][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.842699][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.842699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.842699][ T903] [ 1606.844912][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1606.844912][ T903] netdev_get_by_index+0x5e/0x80 [ 1606.844912][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1606.844912][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1606.844912][ T903] ip6_route_add+0x1c/0x140 [ 1606.844912][ T903] addrconf_add_mroute+0x129/0x180 [ 1606.844912][ T903] addrconf_add_dev+0xe2/0x170 [ 1606.844912][ T903] inet6_addr_add+0x12f/0xa40 [ 1606.844912][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.844912][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.844912][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.844912][ T903] netlink_unicast+0x449/0x710 [ 1606.844912][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.844912][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.844912][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.844912][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.844912][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.844912][ T903] [ 1606.847076][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1606.847076][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1606.847076][ T903] ipv6_find_idev+0x102/0x170 [ 1606.847076][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1606.847076][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.847076][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.847076][ T903] netlink_unicast+0x449/0x710 [ 1606.847076][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.847076][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.847076][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.847076][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.847076][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.847076][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.847076][ T903] [ 1606.848779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1606.848779][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1606.848779][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1606.848779][ T903] ipv6_find_idev+0x102/0x170 [ 1606.848779][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1606.848779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.848779][ T903] netlink_rcv_skb+0x130/0x360 [ 1606.848779][ T903] netlink_unicast+0x449/0x710 [ 1606.848779][ T903] netlink_sendmsg+0x723/0xbe0 [ 1606.848779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1606.848779][ T903] ___sys_sendmsg+0xee/0x170 [ 1606.848779][ T903] __sys_sendmsg+0xcd/0x170 [ 1606.848779][ T903] do_syscall_64+0xc6/0x1e0 [ 1606.848779][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.848779][ T903] [ 1617.101825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1617.102346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1617.102346][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1617.102346][ T903] ip6_validate_gw+0x3eb/0x790 [ 1617.102346][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1617.102346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1617.102346][ T903] ip6_route_add+0x1c/0x140 [ 1617.102346][ T903] inet6_rtm_newroute+0x104/0x110 [ 1617.102346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.102346][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.102346][ T903] netlink_unicast+0x449/0x710 [ 1617.102346][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.102346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.102346][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.102346][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.102346][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.102346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1617.102346][ T903] [ 1617.104447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1617.104447][ T903] netdev_get_by_index+0x5e/0x80 [ 1617.104447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1617.104447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1617.104447][ T903] ip6_route_add+0x1c/0x140 [ 1617.104447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1617.104447][ T903] inet6_addr_add+0x4f8/0xa40 [ 1617.104447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1617.104447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.104447][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.104447][ T903] netlink_unicast+0x449/0x710 [ 1617.104447][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.104447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.104447][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.104447][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.104447][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.104447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1617.104447][ T903] [ 1617.106640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1617.106640][ T903] netdev_get_by_index+0x5e/0x80 [ 1617.106640][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1617.106640][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1617.106640][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1617.106640][ T903] ipv6_add_addr+0x411/0x2000 [ 1617.106640][ T903] inet6_addr_add+0x30e/0xa40 [ 1617.106640][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1617.106640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.106640][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.106640][ T903] netlink_unicast+0x449/0x710 [ 1617.106640][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.106640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.106640][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.106640][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.106640][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.106640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1617.106640][ T903] [ 1617.108835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1617.108835][ T903] netdev_get_by_index+0x5e/0x80 [ 1617.108835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1617.108835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1617.108835][ T903] ip6_route_add+0x1c/0x140 [ 1617.108835][ T903] addrconf_add_mroute+0x129/0x180 [ 1617.108835][ T903] addrconf_add_dev+0xe2/0x170 [ 1617.108835][ T903] inet6_addr_add+0x12f/0xa40 [ 1617.108835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1617.108835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.108835][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.108835][ T903] netlink_unicast+0x449/0x710 [ 1617.108835][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.108835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.108835][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.108835][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.108835][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.108835][ T903] [ 1617.110990][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1617.110990][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1617.110990][ T903] ipv6_find_idev+0x102/0x170 [ 1617.110990][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1617.110990][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.110990][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.110990][ T903] netlink_unicast+0x449/0x710 [ 1617.110990][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.110990][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.110990][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.110990][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.110990][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.110990][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1617.110990][ T903] [ 1617.112688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1617.112688][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1617.112688][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1617.112688][ T903] ipv6_find_idev+0x102/0x170 [ 1617.112688][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1617.112688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1617.112688][ T903] netlink_rcv_skb+0x130/0x360 [ 1617.112688][ T903] netlink_unicast+0x449/0x710 [ 1617.112688][ T903] netlink_sendmsg+0x723/0xbe0 [ 1617.112688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1617.112688][ T903] ___sys_sendmsg+0xee/0x170 [ 1617.112688][ T903] __sys_sendmsg+0xcd/0x170 [ 1617.112688][ T903] do_syscall_64+0xc6/0x1e0 [ 1617.112688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1617.112688][ T903] [ 1627.269827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1627.270345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1627.270345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1627.270345][ T903] ip6_validate_gw+0x3eb/0x790 [ 1627.270345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1627.270345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1627.270345][ T903] ip6_route_add+0x1c/0x140 [ 1627.270345][ T903] inet6_rtm_newroute+0x104/0x110 [ 1627.270345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.270345][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.270345][ T903] netlink_unicast+0x449/0x710 [ 1627.270345][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.270345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.270345][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.270345][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.270345][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.270345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1627.270345][ T903] [ 1627.272432][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1627.272432][ T903] netdev_get_by_index+0x5e/0x80 [ 1627.272432][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1627.272432][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1627.272432][ T903] ip6_route_add+0x1c/0x140 [ 1627.272432][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1627.272432][ T903] inet6_addr_add+0x4f8/0xa40 [ 1627.272432][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1627.272432][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.272432][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.272432][ T903] netlink_unicast+0x449/0x710 [ 1627.272432][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.272432][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.272432][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.272432][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.272432][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.272432][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1627.272432][ T903] [ 1627.274641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1627.274641][ T903] netdev_get_by_index+0x5e/0x80 [ 1627.274641][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1627.274641][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1627.274641][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1627.274641][ T903] ipv6_add_addr+0x411/0x2000 [ 1627.274641][ T903] inet6_addr_add+0x30e/0xa40 [ 1627.274641][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1627.274641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.274641][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.274641][ T903] netlink_unicast+0x449/0x710 [ 1627.274641][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.274641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.274641][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.274641][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.274641][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.274641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1627.274641][ T903] [ 1627.276849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1627.276849][ T903] netdev_get_by_index+0x5e/0x80 [ 1627.276849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1627.276849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1627.276849][ T903] ip6_route_add+0x1c/0x140 [ 1627.276849][ T903] addrconf_add_mroute+0x129/0x180 [ 1627.276849][ T903] addrconf_add_dev+0xe2/0x170 [ 1627.276849][ T903] inet6_addr_add+0x12f/0xa40 [ 1627.276849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1627.276849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.276849][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.276849][ T903] netlink_unicast+0x449/0x710 [ 1627.276849][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.276849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.276849][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.276849][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.276849][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.276849][ T903] [ 1627.279008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1627.279008][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1627.279008][ T903] ipv6_find_idev+0x102/0x170 [ 1627.279008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1627.279008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.279008][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.279008][ T903] netlink_unicast+0x449/0x710 [ 1627.279008][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.279008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.279008][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.279008][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.279008][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.279008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1627.279008][ T903] [ 1627.280854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1627.280854][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1627.280854][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1627.280854][ T903] ipv6_find_idev+0x102/0x170 [ 1627.280854][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1627.280854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1627.280854][ T903] netlink_rcv_skb+0x130/0x360 [ 1627.280854][ T903] netlink_unicast+0x449/0x710 [ 1627.280854][ T903] netlink_sendmsg+0x723/0xbe0 [ 1627.280854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1627.280854][ T903] ___sys_sendmsg+0xee/0x170 [ 1627.280854][ T903] __sys_sendmsg+0xcd/0x170 [ 1627.280854][ T903] do_syscall_64+0xc6/0x1e0 [ 1627.280854][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1627.280854][ T903] [ 1637.525870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1637.526382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1637.526382][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1637.526382][ T903] ip6_validate_gw+0x3eb/0x790 [ 1637.526382][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1637.526382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1637.526382][ T903] ip6_route_add+0x1c/0x140 [ 1637.526382][ T903] inet6_rtm_newroute+0x104/0x110 [ 1637.526382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.526382][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.526382][ T903] netlink_unicast+0x449/0x710 [ 1637.526382][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.526382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.526382][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.526382][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.526382][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.526382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1637.526382][ T903] [ 1637.528573][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1637.528573][ T903] netdev_get_by_index+0x5e/0x80 [ 1637.528573][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1637.528573][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1637.528573][ T903] ip6_route_add+0x1c/0x140 [ 1637.528573][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1637.528573][ T903] inet6_addr_add+0x4f8/0xa40 [ 1637.528573][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1637.528573][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.528573][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.528573][ T903] netlink_unicast+0x449/0x710 [ 1637.528573][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.528573][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.528573][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.528573][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.528573][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.528573][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1637.528573][ T903] [ 1637.530777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1637.530777][ T903] netdev_get_by_index+0x5e/0x80 [ 1637.530777][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1637.530777][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1637.530777][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1637.530777][ T903] ipv6_add_addr+0x411/0x2000 [ 1637.530777][ T903] inet6_addr_add+0x30e/0xa40 [ 1637.530777][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1637.530777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.530777][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.530777][ T903] netlink_unicast+0x449/0x710 [ 1637.530777][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.530777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.530777][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.530777][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.530777][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.530777][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1637.530777][ T903] [ 1637.532976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1637.532976][ T903] netdev_get_by_index+0x5e/0x80 [ 1637.532976][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1637.532976][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1637.532976][ T903] ip6_route_add+0x1c/0x140 [ 1637.532976][ T903] addrconf_add_mroute+0x129/0x180 [ 1637.532976][ T903] addrconf_add_dev+0xe2/0x170 [ 1637.532976][ T903] inet6_addr_add+0x12f/0xa40 [ 1637.532976][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1637.532976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.532976][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.532976][ T903] netlink_unicast+0x449/0x710 [ 1637.532976][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.532976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.532976][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.532976][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.532976][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.532976][ T903] [ 1637.535155][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1637.535155][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1637.535155][ T903] ipv6_find_idev+0x102/0x170 [ 1637.535155][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1637.535155][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.535155][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.535155][ T903] netlink_unicast+0x449/0x710 [ 1637.535155][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.535155][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.535155][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.535155][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.535155][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.535155][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1637.535155][ T903] [ 1637.536845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1637.536845][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1637.536845][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1637.536845][ T903] ipv6_find_idev+0x102/0x170 [ 1637.536845][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1637.536845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1637.536845][ T903] netlink_rcv_skb+0x130/0x360 [ 1637.536845][ T903] netlink_unicast+0x449/0x710 [ 1637.536845][ T903] netlink_sendmsg+0x723/0xbe0 [ 1637.536845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1637.536845][ T903] ___sys_sendmsg+0xee/0x170 [ 1637.536845][ T903] __sys_sendmsg+0xcd/0x170 [ 1637.536845][ T903] do_syscall_64+0xc6/0x1e0 [ 1637.536845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1637.536845][ T903] [ 1647.653796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1647.654326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1647.654326][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1647.654326][ T903] ip6_validate_gw+0x3eb/0x790 [ 1647.654326][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1647.654326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1647.654326][ T903] ip6_route_add+0x1c/0x140 [ 1647.654326][ T903] inet6_rtm_newroute+0x104/0x110 [ 1647.654326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.654326][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.654326][ T903] netlink_unicast+0x449/0x710 [ 1647.654326][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.654326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.654326][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.654326][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.654326][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.654326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1647.654326][ T903] [ 1647.656416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1647.656416][ T903] netdev_get_by_index+0x5e/0x80 [ 1647.656416][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1647.656416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1647.656416][ T903] ip6_route_add+0x1c/0x140 [ 1647.656416][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1647.656416][ T903] inet6_addr_add+0x4f8/0xa40 [ 1647.656416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1647.656416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.656416][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.656416][ T903] netlink_unicast+0x449/0x710 [ 1647.656416][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.656416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.656416][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.656416][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.656416][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.656416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1647.656416][ T903] [ 1647.658620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1647.658620][ T903] netdev_get_by_index+0x5e/0x80 [ 1647.658620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1647.658620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1647.658620][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1647.658620][ T903] ipv6_add_addr+0x411/0x2000 [ 1647.658620][ T903] inet6_addr_add+0x30e/0xa40 [ 1647.658620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1647.658620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.658620][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.658620][ T903] netlink_unicast+0x449/0x710 [ 1647.658620][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.658620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.658620][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.658620][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.658620][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.658620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1647.658620][ T903] [ 1647.660818][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1647.660818][ T903] netdev_get_by_index+0x5e/0x80 [ 1647.660818][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1647.660818][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1647.660818][ T903] ip6_route_add+0x1c/0x140 [ 1647.660818][ T903] addrconf_add_mroute+0x129/0x180 [ 1647.660818][ T903] addrconf_add_dev+0xe2/0x170 [ 1647.660818][ T903] inet6_addr_add+0x12f/0xa40 [ 1647.660818][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1647.660818][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.660818][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.660818][ T903] netlink_unicast+0x449/0x710 [ 1647.660818][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.660818][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.660818][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.660818][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.660818][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.660818][ T903] [ 1647.663000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1647.663000][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1647.663000][ T903] ipv6_find_idev+0x102/0x170 [ 1647.663000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1647.663000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.663000][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.663000][ T903] netlink_unicast+0x449/0x710 [ 1647.663000][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.663000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.663000][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.663000][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.663000][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.663000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1647.663000][ T903] [ 1647.664695][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1647.664695][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1647.664695][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1647.664695][ T903] ipv6_find_idev+0x102/0x170 [ 1647.664695][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1647.664695][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1647.664695][ T903] netlink_rcv_skb+0x130/0x360 [ 1647.664695][ T903] netlink_unicast+0x449/0x710 [ 1647.664695][ T903] netlink_sendmsg+0x723/0xbe0 [ 1647.664695][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1647.664695][ T903] ___sys_sendmsg+0xee/0x170 [ 1647.664695][ T903] __sys_sendmsg+0xcd/0x170 [ 1647.664695][ T903] do_syscall_64+0xc6/0x1e0 [ 1647.664695][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1647.664695][ T903] [ 1657.901829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1657.902380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1657.902380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1657.902380][ T903] ip6_validate_gw+0x3eb/0x790 [ 1657.902380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1657.902380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1657.902380][ T903] ip6_route_add+0x1c/0x140 [ 1657.902380][ T903] inet6_rtm_newroute+0x104/0x110 [ 1657.902380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.902380][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.902380][ T903] netlink_unicast+0x449/0x710 [ 1657.902380][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.902380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.902380][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.902380][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.902380][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.902380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.902380][ T903] [ 1657.904478][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1657.904478][ T903] netdev_get_by_index+0x5e/0x80 [ 1657.904478][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1657.904478][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1657.904478][ T903] ip6_route_add+0x1c/0x140 [ 1657.904478][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1657.904478][ T903] inet6_addr_add+0x4f8/0xa40 [ 1657.904478][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.904478][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.904478][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.904478][ T903] netlink_unicast+0x449/0x710 [ 1657.904478][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.904478][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.904478][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.904478][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.904478][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.904478][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.904478][ T903] [ 1657.906666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1657.906666][ T903] netdev_get_by_index+0x5e/0x80 [ 1657.906666][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1657.906666][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1657.906666][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1657.906666][ T903] ipv6_add_addr+0x411/0x2000 [ 1657.906666][ T903] inet6_addr_add+0x30e/0xa40 [ 1657.906666][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.906666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.906666][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.906666][ T903] netlink_unicast+0x449/0x710 [ 1657.906666][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.906666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.906666][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.906666][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.906666][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.906666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.906666][ T903] [ 1657.908868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1657.908868][ T903] netdev_get_by_index+0x5e/0x80 [ 1657.908868][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1657.908868][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1657.908868][ T903] ip6_route_add+0x1c/0x140 [ 1657.908868][ T903] addrconf_add_mroute+0x129/0x180 [ 1657.908868][ T903] addrconf_add_dev+0xe2/0x170 [ 1657.908868][ T903] inet6_addr_add+0x12f/0xa40 [ 1657.908868][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.908868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.908868][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.908868][ T903] netlink_unicast+0x449/0x710 [ 1657.908868][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.908868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.908868][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.908868][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.908868][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.908868][ T903] [ 1657.911018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1657.911018][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1657.911018][ T903] ipv6_find_idev+0x102/0x170 [ 1657.911018][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1657.911018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.911018][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.911018][ T903] netlink_unicast+0x449/0x710 [ 1657.911018][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.911018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.911018][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.911018][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.911018][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.911018][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.911018][ T903] [ 1657.912704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1657.912704][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1657.912704][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1657.912704][ T903] ipv6_find_idev+0x102/0x170 [ 1657.912704][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1657.912704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.912704][ T903] netlink_rcv_skb+0x130/0x360 [ 1657.912704][ T903] netlink_unicast+0x449/0x710 [ 1657.912704][ T903] netlink_sendmsg+0x723/0xbe0 [ 1657.912704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1657.912704][ T903] ___sys_sendmsg+0xee/0x170 [ 1657.912704][ T903] __sys_sendmsg+0xcd/0x170 [ 1657.912704][ T903] do_syscall_64+0xc6/0x1e0 [ 1657.912704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.912704][ T903] [ 1668.149735][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1668.150187][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1668.150187][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1668.150187][ T903] ip6_validate_gw+0x3eb/0x790 [ 1668.150187][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1668.150187][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1668.150187][ T903] ip6_route_add+0x1c/0x140 [ 1668.150187][ T903] inet6_rtm_newroute+0x104/0x110 [ 1668.150187][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.150187][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.150187][ T903] netlink_unicast+0x449/0x710 [ 1668.150187][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.150187][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.150187][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.150187][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.150187][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.150187][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1668.150187][ T903] [ 1668.152298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1668.152298][ T903] netdev_get_by_index+0x5e/0x80 [ 1668.152298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1668.152298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1668.152298][ T903] ip6_route_add+0x1c/0x140 [ 1668.152298][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1668.152298][ T903] inet6_addr_add+0x4f8/0xa40 [ 1668.152298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1668.152298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.152298][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.152298][ T903] netlink_unicast+0x449/0x710 [ 1668.152298][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.152298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.152298][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.152298][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.152298][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.152298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1668.152298][ T903] [ 1668.154501][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1668.154501][ T903] netdev_get_by_index+0x5e/0x80 [ 1668.154501][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1668.154501][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1668.154501][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1668.154501][ T903] ipv6_add_addr+0x411/0x2000 [ 1668.154501][ T903] inet6_addr_add+0x30e/0xa40 [ 1668.154501][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1668.154501][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.154501][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.154501][ T903] netlink_unicast+0x449/0x710 [ 1668.154501][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.154501][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.154501][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.154501][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.154501][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.154501][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1668.154501][ T903] [ 1668.156686][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1668.156686][ T903] netdev_get_by_index+0x5e/0x80 [ 1668.156686][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1668.156686][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1668.156686][ T903] ip6_route_add+0x1c/0x140 [ 1668.156686][ T903] addrconf_add_mroute+0x129/0x180 [ 1668.156686][ T903] addrconf_add_dev+0xe2/0x170 [ 1668.156686][ T903] inet6_addr_add+0x12f/0xa40 [ 1668.156686][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1668.156686][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.156686][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.156686][ T903] netlink_unicast+0x449/0x710 [ 1668.156686][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.156686][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.156686][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.156686][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.156686][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.156686][ T903] [ 1668.158952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1668.158952][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1668.158952][ T903] ipv6_find_idev+0x102/0x170 [ 1668.158952][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1668.158952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.158952][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.158952][ T903] netlink_unicast+0x449/0x710 [ 1668.158952][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.158952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.158952][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.158952][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.158952][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.158952][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1668.158952][ T903] [ 1668.160650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1668.160650][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1668.160650][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1668.160650][ T903] ipv6_find_idev+0x102/0x170 [ 1668.160650][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1668.160650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1668.160650][ T903] netlink_rcv_skb+0x130/0x360 [ 1668.160650][ T903] netlink_unicast+0x449/0x710 [ 1668.160650][ T903] netlink_sendmsg+0x723/0xbe0 [ 1668.160650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1668.160650][ T903] ___sys_sendmsg+0xee/0x170 [ 1668.160650][ T903] __sys_sendmsg+0xcd/0x170 [ 1668.160650][ T903] do_syscall_64+0xc6/0x1e0 [ 1668.160650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1668.160650][ T903] [ 1678.397729][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1678.398242][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1678.398242][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1678.398242][ T903] ip6_validate_gw+0x3eb/0x790 [ 1678.398242][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1678.398242][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1678.398242][ T903] ip6_route_add+0x1c/0x140 [ 1678.398242][ T903] inet6_rtm_newroute+0x104/0x110 [ 1678.398242][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.398242][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.398242][ T903] netlink_unicast+0x449/0x710 [ 1678.398242][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.398242][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.398242][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.398242][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.398242][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.398242][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1678.398242][ T903] [ 1678.400342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1678.400342][ T903] netdev_get_by_index+0x5e/0x80 [ 1678.400342][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1678.400342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1678.400342][ T903] ip6_route_add+0x1c/0x140 [ 1678.400342][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1678.400342][ T903] inet6_addr_add+0x4f8/0xa40 [ 1678.400342][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1678.400342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.400342][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.400342][ T903] netlink_unicast+0x449/0x710 [ 1678.400342][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.400342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.400342][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.400342][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.400342][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.400342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1678.400342][ T903] [ 1678.402547][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1678.402547][ T903] netdev_get_by_index+0x5e/0x80 [ 1678.402547][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1678.402547][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1678.402547][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1678.402547][ T903] ipv6_add_addr+0x411/0x2000 [ 1678.402547][ T903] inet6_addr_add+0x30e/0xa40 [ 1678.402547][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1678.402547][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.402547][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.402547][ T903] netlink_unicast+0x449/0x710 [ 1678.402547][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.402547][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.402547][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.402547][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.402547][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.402547][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1678.402547][ T903] [ 1678.404765][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1678.404765][ T903] netdev_get_by_index+0x5e/0x80 [ 1678.404765][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1678.404765][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1678.404765][ T903] ip6_route_add+0x1c/0x140 [ 1678.404765][ T903] addrconf_add_mroute+0x129/0x180 [ 1678.404765][ T903] addrconf_add_dev+0xe2/0x170 [ 1678.404765][ T903] inet6_addr_add+0x12f/0xa40 [ 1678.404765][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1678.404765][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.404765][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.404765][ T903] netlink_unicast+0x449/0x710 [ 1678.404765][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.404765][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.404765][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.404765][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.404765][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.404765][ T903] [ 1678.406942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1678.406942][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1678.406942][ T903] ipv6_find_idev+0x102/0x170 [ 1678.406942][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1678.406942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.406942][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.406942][ T903] netlink_unicast+0x449/0x710 [ 1678.406942][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.406942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.406942][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.406942][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.406942][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.406942][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1678.406942][ T903] [ 1678.408628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1678.408628][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1678.408628][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1678.408628][ T903] ipv6_find_idev+0x102/0x170 [ 1678.408628][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1678.408628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1678.408628][ T903] netlink_rcv_skb+0x130/0x360 [ 1678.408628][ T903] netlink_unicast+0x449/0x710 [ 1678.408628][ T903] netlink_sendmsg+0x723/0xbe0 [ 1678.408628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1678.408628][ T903] ___sys_sendmsg+0xee/0x170 [ 1678.408628][ T903] __sys_sendmsg+0xcd/0x170 [ 1678.408628][ T903] do_syscall_64+0xc6/0x1e0 [ 1678.408628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1678.408628][ T903] [ 1688.645733][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1688.646191][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1688.646191][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1688.646191][ T903] ip6_validate_gw+0x3eb/0x790 [ 1688.646191][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1688.646191][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1688.646191][ T903] ip6_route_add+0x1c/0x140 [ 1688.646191][ T903] inet6_rtm_newroute+0x104/0x110 [ 1688.646191][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.646191][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.646191][ T903] netlink_unicast+0x449/0x710 [ 1688.646191][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.646191][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.646191][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.646191][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.646191][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.646191][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1688.646191][ T903] [ 1688.648411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1688.648411][ T903] netdev_get_by_index+0x5e/0x80 [ 1688.648411][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1688.648411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1688.648411][ T903] ip6_route_add+0x1c/0x140 [ 1688.648411][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1688.648411][ T903] inet6_addr_add+0x4f8/0xa40 [ 1688.648411][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1688.648411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.648411][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.648411][ T903] netlink_unicast+0x449/0x710 [ 1688.648411][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.648411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.648411][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.648411][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.648411][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.648411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1688.648411][ T903] [ 1688.650604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1688.650604][ T903] netdev_get_by_index+0x5e/0x80 [ 1688.650604][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1688.650604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1688.650604][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1688.650604][ T903] ipv6_add_addr+0x411/0x2000 [ 1688.650604][ T903] inet6_addr_add+0x30e/0xa40 [ 1688.650604][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1688.650604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.650604][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.650604][ T903] netlink_unicast+0x449/0x710 [ 1688.650604][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.650604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.650604][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.650604][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.650604][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.650604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1688.650604][ T903] [ 1688.653190][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1688.653190][ T903] netdev_get_by_index+0x5e/0x80 [ 1688.653190][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1688.653190][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1688.653190][ T903] ip6_route_add+0x1c/0x140 [ 1688.653190][ T903] addrconf_add_mroute+0x129/0x180 [ 1688.653190][ T903] addrconf_add_dev+0xe2/0x170 [ 1688.653190][ T903] inet6_addr_add+0x12f/0xa40 [ 1688.653190][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1688.653190][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.653190][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.653190][ T903] netlink_unicast+0x449/0x710 [ 1688.653190][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.653190][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.653190][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.653190][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.653190][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.653190][ T903] [ 1688.655375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1688.655375][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1688.655375][ T903] ipv6_find_idev+0x102/0x170 [ 1688.655375][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1688.655375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.655375][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.655375][ T903] netlink_unicast+0x449/0x710 [ 1688.655375][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.655375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.655375][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.655375][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.655375][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.655375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1688.655375][ T903] [ 1688.657063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1688.657063][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1688.657063][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1688.657063][ T903] ipv6_find_idev+0x102/0x170 [ 1688.657063][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1688.657063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1688.657063][ T903] netlink_rcv_skb+0x130/0x360 [ 1688.657063][ T903] netlink_unicast+0x449/0x710 [ 1688.657063][ T903] netlink_sendmsg+0x723/0xbe0 [ 1688.657063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1688.657063][ T903] ___sys_sendmsg+0xee/0x170 [ 1688.657063][ T903] __sys_sendmsg+0xcd/0x170 [ 1688.657063][ T903] do_syscall_64+0xc6/0x1e0 [ 1688.657063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1688.657063][ T903] [ 1698.901823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1698.902334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1698.902334][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1698.902334][ T903] ip6_validate_gw+0x3eb/0x790 [ 1698.902334][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1698.902334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1698.902334][ T903] ip6_route_add+0x1c/0x140 [ 1698.902334][ T903] inet6_rtm_newroute+0x104/0x110 [ 1698.902334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.902334][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.902334][ T903] netlink_unicast+0x449/0x710 [ 1698.902334][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.902334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.902334][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.902334][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.902334][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.902334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.902334][ T903] [ 1698.904456][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1698.904456][ T903] netdev_get_by_index+0x5e/0x80 [ 1698.904456][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1698.904456][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1698.904456][ T903] ip6_route_add+0x1c/0x140 [ 1698.904456][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1698.904456][ T903] inet6_addr_add+0x4f8/0xa40 [ 1698.904456][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.904456][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.904456][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.904456][ T903] netlink_unicast+0x449/0x710 [ 1698.904456][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.904456][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.904456][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.904456][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.904456][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.904456][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.904456][ T903] [ 1698.906648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1698.906648][ T903] netdev_get_by_index+0x5e/0x80 [ 1698.906648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1698.906648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1698.906648][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1698.906648][ T903] ipv6_add_addr+0x411/0x2000 [ 1698.906648][ T903] inet6_addr_add+0x30e/0xa40 [ 1698.906648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.906648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.906648][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.906648][ T903] netlink_unicast+0x449/0x710 [ 1698.906648][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.906648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.906648][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.906648][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.906648][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.906648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.906648][ T903] [ 1698.908845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1698.908845][ T903] netdev_get_by_index+0x5e/0x80 [ 1698.908845][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1698.908845][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1698.908845][ T903] ip6_route_add+0x1c/0x140 [ 1698.908845][ T903] addrconf_add_mroute+0x129/0x180 [ 1698.908845][ T903] addrconf_add_dev+0xe2/0x170 [ 1698.908845][ T903] inet6_addr_add+0x12f/0xa40 [ 1698.908845][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.908845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.908845][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.908845][ T903] netlink_unicast+0x449/0x710 [ 1698.908845][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.908845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.908845][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.908845][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.908845][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.908845][ T903] [ 1698.911001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1698.911001][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1698.911001][ T903] ipv6_find_idev+0x102/0x170 [ 1698.911001][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1698.911001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.911001][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.911001][ T903] netlink_unicast+0x449/0x710 [ 1698.911001][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.911001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.911001][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.911001][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.911001][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.911001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.911001][ T903] [ 1698.912691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1698.912691][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1698.912691][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1698.912691][ T903] ipv6_find_idev+0x102/0x170 [ 1698.912691][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1698.912691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.912691][ T903] netlink_rcv_skb+0x130/0x360 [ 1698.912691][ T903] netlink_unicast+0x449/0x710 [ 1698.912691][ T903] netlink_sendmsg+0x723/0xbe0 [ 1698.912691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1698.912691][ T903] ___sys_sendmsg+0xee/0x170 [ 1698.912691][ T903] __sys_sendmsg+0xcd/0x170 [ 1698.912691][ T903] do_syscall_64+0xc6/0x1e0 [ 1698.912691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.912691][ T903] [ 1708.981753][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1708.982538][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1708.982538][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1708.982538][ T903] ip6_validate_gw+0x3eb/0x790 [ 1708.982538][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1708.982538][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1708.982538][ T903] ip6_route_add+0x1c/0x140 [ 1708.982538][ T903] inet6_rtm_newroute+0x104/0x110 [ 1708.982538][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.982538][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.982538][ T903] netlink_unicast+0x449/0x710 [ 1708.982538][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.982538][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.982538][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.982538][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.982538][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.982538][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.982538][ T903] [ 1708.986074][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1708.986074][ T903] netdev_get_by_index+0x5e/0x80 [ 1708.986074][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1708.986074][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1708.986074][ T903] ip6_route_add+0x1c/0x140 [ 1708.986074][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1708.986074][ T903] inet6_addr_add+0x4f8/0xa40 [ 1708.986074][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.986074][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.986074][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.986074][ T903] netlink_unicast+0x449/0x710 [ 1708.986074][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.986074][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.986074][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.986074][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.986074][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.986074][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.986074][ T903] [ 1708.988921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1708.988921][ T903] netdev_get_by_index+0x5e/0x80 [ 1708.988921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1708.988921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1708.988921][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1708.988921][ T903] ipv6_add_addr+0x411/0x2000 [ 1708.988921][ T903] inet6_addr_add+0x30e/0xa40 [ 1708.988921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.988921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.988921][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.988921][ T903] netlink_unicast+0x449/0x710 [ 1708.988921][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.988921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.988921][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.988921][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.988921][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.988921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.988921][ T903] [ 1708.991149][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1708.991149][ T903] netdev_get_by_index+0x5e/0x80 [ 1708.991149][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1708.991149][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1708.991149][ T903] ip6_route_add+0x1c/0x140 [ 1708.991149][ T903] addrconf_add_mroute+0x129/0x180 [ 1708.991149][ T903] addrconf_add_dev+0xe2/0x170 [ 1708.991149][ T903] inet6_addr_add+0x12f/0xa40 [ 1708.991149][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.991149][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.991149][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.991149][ T903] netlink_unicast+0x449/0x710 [ 1708.991149][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.991149][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.991149][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.991149][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.991149][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.991149][ T903] [ 1708.993348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1708.993348][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1708.993348][ T903] ipv6_find_idev+0x102/0x170 [ 1708.993348][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1708.993348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.993348][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.993348][ T903] netlink_unicast+0x449/0x710 [ 1708.993348][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.993348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.993348][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.993348][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.993348][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.993348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.993348][ T903] [ 1708.995073][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1708.995073][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1708.995073][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1708.995073][ T903] ipv6_find_idev+0x102/0x170 [ 1708.995073][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1708.995073][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.995073][ T903] netlink_rcv_skb+0x130/0x360 [ 1708.995073][ T903] netlink_unicast+0x449/0x710 [ 1708.995073][ T903] netlink_sendmsg+0x723/0xbe0 [ 1708.995073][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1708.995073][ T903] ___sys_sendmsg+0xee/0x170 [ 1708.995073][ T903] __sys_sendmsg+0xcd/0x170 [ 1708.995073][ T903] do_syscall_64+0xc6/0x1e0 [ 1708.995073][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.995073][ T903] [ 1719.245777][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1719.246551][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1719.246551][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1719.246551][ T903] ip6_validate_gw+0x3eb/0x790 [ 1719.246551][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1719.246551][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1719.246551][ T903] ip6_route_add+0x1c/0x140 [ 1719.246551][ T903] inet6_rtm_newroute+0x104/0x110 [ 1719.246551][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.246551][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.246551][ T903] netlink_unicast+0x449/0x710 [ 1719.246551][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.246551][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.246551][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.246551][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.246551][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.246551][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1719.246551][ T903] [ 1719.250086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1719.250086][ T903] netdev_get_by_index+0x5e/0x80 [ 1719.250086][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1719.250086][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1719.250086][ T903] ip6_route_add+0x1c/0x140 [ 1719.250086][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1719.250086][ T903] inet6_addr_add+0x4f8/0xa40 [ 1719.250086][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1719.250086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.250086][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.250086][ T903] netlink_unicast+0x449/0x710 [ 1719.250086][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.250086][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.250086][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.250086][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.250086][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.250086][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1719.250086][ T903] [ 1719.253826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1719.253826][ T903] netdev_get_by_index+0x5e/0x80 [ 1719.253826][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1719.253826][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1719.253826][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1719.253826][ T903] ipv6_add_addr+0x411/0x2000 [ 1719.253826][ T903] inet6_addr_add+0x30e/0xa40 [ 1719.253826][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1719.253826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.253826][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.253826][ T903] netlink_unicast+0x449/0x710 [ 1719.253826][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.253826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.253826][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.253826][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.253826][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.253826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1719.253826][ T903] [ 1719.257298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1719.257298][ T903] netdev_get_by_index+0x5e/0x80 [ 1719.257298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1719.257298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1719.257298][ T903] ip6_route_add+0x1c/0x140 [ 1719.257298][ T903] addrconf_add_mroute+0x129/0x180 [ 1719.257298][ T903] addrconf_add_dev+0xe2/0x170 [ 1719.257298][ T903] inet6_addr_add+0x12f/0xa40 [ 1719.257298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1719.257298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.257298][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.257298][ T903] netlink_unicast+0x449/0x710 [ 1719.257298][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.257298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.257298][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.257298][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.257298][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.257298][ T903] [ 1719.260310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1719.260310][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1719.260310][ T903] ipv6_find_idev+0x102/0x170 [ 1719.260310][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1719.260310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.260310][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.260310][ T903] netlink_unicast+0x449/0x710 [ 1719.260310][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.260310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.260310][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.260310][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.260310][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.260310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1719.260310][ T903] [ 1719.262027][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1719.262027][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1719.262027][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1719.262027][ T903] ipv6_find_idev+0x102/0x170 [ 1719.262027][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1719.262027][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1719.262027][ T903] netlink_rcv_skb+0x130/0x360 [ 1719.262027][ T903] netlink_unicast+0x449/0x710 [ 1719.262027][ T903] netlink_sendmsg+0x723/0xbe0 [ 1719.262027][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1719.262027][ T903] ___sys_sendmsg+0xee/0x170 [ 1719.262027][ T903] __sys_sendmsg+0xcd/0x170 [ 1719.262027][ T903] do_syscall_64+0xc6/0x1e0 [ 1719.262027][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1719.262027][ T903] [ 1729.277722][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1729.278280][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1729.278280][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1729.278280][ T903] ip6_validate_gw+0x3eb/0x790 [ 1729.278280][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1729.278280][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1729.278280][ T903] ip6_route_add+0x1c/0x140 [ 1729.278280][ T903] inet6_rtm_newroute+0x104/0x110 [ 1729.278280][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.278280][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.278280][ T903] netlink_unicast+0x449/0x710 [ 1729.278280][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.278280][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.278280][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.278280][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.278280][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.278280][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1729.278280][ T903] [ 1729.280394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1729.280394][ T903] netdev_get_by_index+0x5e/0x80 [ 1729.280394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1729.280394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1729.280394][ T903] ip6_route_add+0x1c/0x140 [ 1729.280394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1729.280394][ T903] inet6_addr_add+0x4f8/0xa40 [ 1729.280394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1729.280394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.280394][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.280394][ T903] netlink_unicast+0x449/0x710 [ 1729.280394][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.280394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.280394][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.280394][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.280394][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.280394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1729.280394][ T903] [ 1729.282612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1729.282612][ T903] netdev_get_by_index+0x5e/0x80 [ 1729.282612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1729.282612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1729.282612][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1729.282612][ T903] ipv6_add_addr+0x411/0x2000 [ 1729.282612][ T903] inet6_addr_add+0x30e/0xa40 [ 1729.282612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1729.282612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.282612][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.282612][ T903] netlink_unicast+0x449/0x710 [ 1729.282612][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.282612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.282612][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.282612][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.282612][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.282612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1729.282612][ T903] [ 1729.284835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1729.284835][ T903] netdev_get_by_index+0x5e/0x80 [ 1729.284835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1729.284835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1729.284835][ T903] ip6_route_add+0x1c/0x140 [ 1729.284835][ T903] addrconf_add_mroute+0x129/0x180 [ 1729.284835][ T903] addrconf_add_dev+0xe2/0x170 [ 1729.284835][ T903] inet6_addr_add+0x12f/0xa40 [ 1729.284835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1729.284835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.284835][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.284835][ T903] netlink_unicast+0x449/0x710 [ 1729.284835][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.284835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.284835][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.284835][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.284835][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.284835][ T903] [ 1729.287013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1729.287013][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1729.287013][ T903] ipv6_find_idev+0x102/0x170 [ 1729.287013][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1729.287013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.287013][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.287013][ T903] netlink_unicast+0x449/0x710 [ 1729.287013][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.287013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.287013][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.287013][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.287013][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.287013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1729.287013][ T903] [ 1729.288720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1729.288720][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1729.288720][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1729.288720][ T903] ipv6_find_idev+0x102/0x170 [ 1729.288720][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1729.288720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1729.288720][ T903] netlink_rcv_skb+0x130/0x360 [ 1729.288720][ T903] netlink_unicast+0x449/0x710 [ 1729.288720][ T903] netlink_sendmsg+0x723/0xbe0 [ 1729.288720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1729.288720][ T903] ___sys_sendmsg+0xee/0x170 [ 1729.288720][ T903] __sys_sendmsg+0xcd/0x170 [ 1729.288720][ T903] do_syscall_64+0xc6/0x1e0 [ 1729.288720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1729.288720][ T903] [ 1739.525822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1739.526351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1739.526351][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1739.526351][ T903] ip6_validate_gw+0x3eb/0x790 [ 1739.526351][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1739.526351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1739.526351][ T903] ip6_route_add+0x1c/0x140 [ 1739.526351][ T903] inet6_rtm_newroute+0x104/0x110 [ 1739.526351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.526351][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.526351][ T903] netlink_unicast+0x449/0x710 [ 1739.526351][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.526351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.526351][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.526351][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.526351][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.526351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.526351][ T903] [ 1739.528489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1739.528489][ T903] netdev_get_by_index+0x5e/0x80 [ 1739.528489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1739.528489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1739.528489][ T903] ip6_route_add+0x1c/0x140 [ 1739.528489][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1739.528489][ T903] inet6_addr_add+0x4f8/0xa40 [ 1739.528489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.528489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.528489][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.528489][ T903] netlink_unicast+0x449/0x710 [ 1739.528489][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.528489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.528489][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.528489][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.528489][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.528489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.528489][ T903] [ 1739.530725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1739.530725][ T903] netdev_get_by_index+0x5e/0x80 [ 1739.530725][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1739.530725][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1739.530725][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1739.530725][ T903] ipv6_add_addr+0x411/0x2000 [ 1739.530725][ T903] inet6_addr_add+0x30e/0xa40 [ 1739.530725][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.530725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.530725][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.530725][ T903] netlink_unicast+0x449/0x710 [ 1739.530725][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.530725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.530725][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.530725][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.530725][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.530725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.530725][ T903] [ 1739.532982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1739.532982][ T903] netdev_get_by_index+0x5e/0x80 [ 1739.532982][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1739.532982][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1739.532982][ T903] ip6_route_add+0x1c/0x140 [ 1739.532982][ T903] addrconf_add_mroute+0x129/0x180 [ 1739.532982][ T903] addrconf_add_dev+0xe2/0x170 [ 1739.532982][ T903] inet6_addr_add+0x12f/0xa40 [ 1739.532982][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.532982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.532982][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.532982][ T903] netlink_unicast+0x449/0x710 [ 1739.532982][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.532982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.532982][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.532982][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.532982][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.532982][ T903] [ 1739.535168][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1739.535168][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1739.535168][ T903] ipv6_find_idev+0x102/0x170 [ 1739.535168][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1739.535168][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.535168][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.535168][ T903] netlink_unicast+0x449/0x710 [ 1739.535168][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.535168][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.535168][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.535168][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.535168][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.535168][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.535168][ T903] [ 1739.536895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1739.536895][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1739.536895][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1739.536895][ T903] ipv6_find_idev+0x102/0x170 [ 1739.536895][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1739.536895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.536895][ T903] netlink_rcv_skb+0x130/0x360 [ 1739.536895][ T903] netlink_unicast+0x449/0x710 [ 1739.536895][ T903] netlink_sendmsg+0x723/0xbe0 [ 1739.536895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1739.536895][ T903] ___sys_sendmsg+0xee/0x170 [ 1739.536895][ T903] __sys_sendmsg+0xcd/0x170 [ 1739.536895][ T903] do_syscall_64+0xc6/0x1e0 [ 1739.536895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.536895][ T903] [ 1749.781795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1749.782332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1749.782332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1749.782332][ T903] ip6_validate_gw+0x3eb/0x790 [ 1749.782332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1749.782332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1749.782332][ T903] ip6_route_add+0x1c/0x140 [ 1749.782332][ T903] inet6_rtm_newroute+0x104/0x110 [ 1749.782332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.782332][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.782332][ T903] netlink_unicast+0x449/0x710 [ 1749.782332][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.782332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.782332][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.782332][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.782332][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.782332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.782332][ T903] [ 1749.784479][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1749.784479][ T903] netdev_get_by_index+0x5e/0x80 [ 1749.784479][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1749.784479][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1749.784479][ T903] ip6_route_add+0x1c/0x140 [ 1749.784479][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1749.784479][ T903] inet6_addr_add+0x4f8/0xa40 [ 1749.784479][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.784479][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.784479][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.784479][ T903] netlink_unicast+0x449/0x710 [ 1749.784479][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.784479][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.784479][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.784479][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.784479][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.784479][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.784479][ T903] [ 1749.786967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1749.786967][ T903] netdev_get_by_index+0x5e/0x80 [ 1749.786967][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1749.786967][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1749.786967][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1749.786967][ T903] ipv6_add_addr+0x411/0x2000 [ 1749.786967][ T903] inet6_addr_add+0x30e/0xa40 [ 1749.786967][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.786967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.786967][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.786967][ T903] netlink_unicast+0x449/0x710 [ 1749.786967][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.786967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.786967][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.786967][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.786967][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.786967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.786967][ T903] [ 1749.789185][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1749.789185][ T903] netdev_get_by_index+0x5e/0x80 [ 1749.789185][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1749.789185][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1749.789185][ T903] ip6_route_add+0x1c/0x140 [ 1749.789185][ T903] addrconf_add_mroute+0x129/0x180 [ 1749.789185][ T903] addrconf_add_dev+0xe2/0x170 [ 1749.789185][ T903] inet6_addr_add+0x12f/0xa40 [ 1749.789185][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.789185][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.789185][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.789185][ T903] netlink_unicast+0x449/0x710 [ 1749.789185][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.789185][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.789185][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.789185][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.789185][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.789185][ T903] [ 1749.791369][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1749.791369][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1749.791369][ T903] ipv6_find_idev+0x102/0x170 [ 1749.791369][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1749.791369][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.791369][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.791369][ T903] netlink_unicast+0x449/0x710 [ 1749.791369][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.791369][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.791369][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.791369][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.791369][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.791369][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.791369][ T903] [ 1749.793082][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1749.793082][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1749.793082][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1749.793082][ T903] ipv6_find_idev+0x102/0x170 [ 1749.793082][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1749.793082][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.793082][ T903] netlink_rcv_skb+0x130/0x360 [ 1749.793082][ T903] netlink_unicast+0x449/0x710 [ 1749.793082][ T903] netlink_sendmsg+0x723/0xbe0 [ 1749.793082][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1749.793082][ T903] ___sys_sendmsg+0xee/0x170 [ 1749.793082][ T903] __sys_sendmsg+0xcd/0x170 [ 1749.793082][ T903] do_syscall_64+0xc6/0x1e0 [ 1749.793082][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.793082][ T903] [ 1760.037800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1760.038323][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1760.038323][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1760.038323][ T903] ip6_validate_gw+0x3eb/0x790 [ 1760.038323][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1760.038323][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1760.038323][ T903] ip6_route_add+0x1c/0x140 [ 1760.038323][ T903] inet6_rtm_newroute+0x104/0x110 [ 1760.038323][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.038323][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.038323][ T903] netlink_unicast+0x449/0x710 [ 1760.038323][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.038323][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.038323][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.038323][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.038323][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.038323][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1760.038323][ T903] [ 1760.040450][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1760.040450][ T903] netdev_get_by_index+0x5e/0x80 [ 1760.040450][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1760.040450][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1760.040450][ T903] ip6_route_add+0x1c/0x140 [ 1760.040450][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1760.040450][ T903] inet6_addr_add+0x4f8/0xa40 [ 1760.040450][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1760.040450][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.040450][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.040450][ T903] netlink_unicast+0x449/0x710 [ 1760.040450][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.040450][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.040450][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.040450][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.040450][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.040450][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1760.040450][ T903] [ 1760.042676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1760.042676][ T903] netdev_get_by_index+0x5e/0x80 [ 1760.042676][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1760.042676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1760.042676][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1760.042676][ T903] ipv6_add_addr+0x411/0x2000 [ 1760.042676][ T903] inet6_addr_add+0x30e/0xa40 [ 1760.042676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1760.042676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.042676][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.042676][ T903] netlink_unicast+0x449/0x710 [ 1760.042676][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.042676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.042676][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.042676][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.042676][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.042676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1760.042676][ T903] [ 1760.044930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1760.044930][ T903] netdev_get_by_index+0x5e/0x80 [ 1760.044930][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1760.044930][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1760.044930][ T903] ip6_route_add+0x1c/0x140 [ 1760.044930][ T903] addrconf_add_mroute+0x129/0x180 [ 1760.044930][ T903] addrconf_add_dev+0xe2/0x170 [ 1760.044930][ T903] inet6_addr_add+0x12f/0xa40 [ 1760.044930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1760.044930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.044930][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.044930][ T903] netlink_unicast+0x449/0x710 [ 1760.044930][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.044930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.044930][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.044930][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.044930][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.044930][ T903] [ 1760.047107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1760.047107][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1760.047107][ T903] ipv6_find_idev+0x102/0x170 [ 1760.047107][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1760.047107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.047107][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.047107][ T903] netlink_unicast+0x449/0x710 [ 1760.047107][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.047107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.047107][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.047107][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.047107][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.047107][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1760.047107][ T903] [ 1760.048815][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1760.048815][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1760.048815][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1760.048815][ T903] ipv6_find_idev+0x102/0x170 [ 1760.048815][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1760.048815][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1760.048815][ T903] netlink_rcv_skb+0x130/0x360 [ 1760.048815][ T903] netlink_unicast+0x449/0x710 [ 1760.048815][ T903] netlink_sendmsg+0x723/0xbe0 [ 1760.048815][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1760.048815][ T903] ___sys_sendmsg+0xee/0x170 [ 1760.048815][ T903] __sys_sendmsg+0xcd/0x170 [ 1760.048815][ T903] do_syscall_64+0xc6/0x1e0 [ 1760.048815][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1760.048815][ T903] [ 1770.293882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1770.294385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1770.294385][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1770.294385][ T903] ip6_validate_gw+0x3eb/0x790 [ 1770.294385][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1770.294385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1770.294385][ T903] ip6_route_add+0x1c/0x140 [ 1770.294385][ T903] inet6_rtm_newroute+0x104/0x110 [ 1770.294385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.294385][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.294385][ T903] netlink_unicast+0x449/0x710 [ 1770.294385][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.294385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.294385][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.294385][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.294385][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.294385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1770.294385][ T903] [ 1770.296491][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1770.296491][ T903] netdev_get_by_index+0x5e/0x80 [ 1770.296491][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1770.296491][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1770.296491][ T903] ip6_route_add+0x1c/0x140 [ 1770.296491][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1770.296491][ T903] inet6_addr_add+0x4f8/0xa40 [ 1770.296491][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1770.296491][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.296491][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.296491][ T903] netlink_unicast+0x449/0x710 [ 1770.296491][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.296491][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.296491][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.296491][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.296491][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.296491][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1770.296491][ T903] [ 1770.298690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1770.298690][ T903] netdev_get_by_index+0x5e/0x80 [ 1770.298690][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1770.298690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1770.298690][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1770.298690][ T903] ipv6_add_addr+0x411/0x2000 [ 1770.298690][ T903] inet6_addr_add+0x30e/0xa40 [ 1770.298690][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1770.298690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.298690][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.298690][ T903] netlink_unicast+0x449/0x710 [ 1770.298690][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.298690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.298690][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.298690][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.298690][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.298690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1770.298690][ T903] [ 1770.300889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1770.300889][ T903] netdev_get_by_index+0x5e/0x80 [ 1770.300889][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1770.300889][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1770.300889][ T903] ip6_route_add+0x1c/0x140 [ 1770.300889][ T903] addrconf_add_mroute+0x129/0x180 [ 1770.300889][ T903] addrconf_add_dev+0xe2/0x170 [ 1770.300889][ T903] inet6_addr_add+0x12f/0xa40 [ 1770.300889][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1770.300889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.300889][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.300889][ T903] netlink_unicast+0x449/0x710 [ 1770.300889][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.300889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.300889][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.300889][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.300889][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.300889][ T903] [ 1770.303063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1770.303063][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1770.303063][ T903] ipv6_find_idev+0x102/0x170 [ 1770.303063][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1770.303063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.303063][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.303063][ T903] netlink_unicast+0x449/0x710 [ 1770.303063][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.303063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.303063][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.303063][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.303063][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.303063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1770.303063][ T903] [ 1770.304757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1770.304757][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1770.304757][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1770.304757][ T903] ipv6_find_idev+0x102/0x170 [ 1770.304757][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1770.304757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1770.304757][ T903] netlink_rcv_skb+0x130/0x360 [ 1770.304757][ T903] netlink_unicast+0x449/0x710 [ 1770.304757][ T903] netlink_sendmsg+0x723/0xbe0 [ 1770.304757][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1770.304757][ T903] ___sys_sendmsg+0xee/0x170 [ 1770.304757][ T903] __sys_sendmsg+0xcd/0x170 [ 1770.304757][ T903] do_syscall_64+0xc6/0x1e0 [ 1770.304757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1770.304757][ T903] [ 1780.541798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1780.542253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1780.542253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1780.542253][ T903] ip6_validate_gw+0x3eb/0x790 [ 1780.542253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1780.542253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1780.542253][ T903] ip6_route_add+0x1c/0x140 [ 1780.542253][ T903] inet6_rtm_newroute+0x104/0x110 [ 1780.542253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.542253][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.542253][ T903] netlink_unicast+0x449/0x710 [ 1780.542253][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.542253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.542253][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.542253][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.542253][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.542253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1780.542253][ T903] [ 1780.544361][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1780.544361][ T903] netdev_get_by_index+0x5e/0x80 [ 1780.544361][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1780.544361][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1780.544361][ T903] ip6_route_add+0x1c/0x140 [ 1780.544361][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1780.544361][ T903] inet6_addr_add+0x4f8/0xa40 [ 1780.544361][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1780.544361][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.544361][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.544361][ T903] netlink_unicast+0x449/0x710 [ 1780.544361][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.544361][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.544361][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.544361][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.544361][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.544361][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1780.544361][ T903] [ 1780.546560][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1780.546560][ T903] netdev_get_by_index+0x5e/0x80 [ 1780.546560][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1780.546560][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1780.546560][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1780.546560][ T903] ipv6_add_addr+0x411/0x2000 [ 1780.546560][ T903] inet6_addr_add+0x30e/0xa40 [ 1780.546560][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1780.546560][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.546560][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.546560][ T903] netlink_unicast+0x449/0x710 [ 1780.546560][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.546560][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.546560][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.546560][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.546560][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.546560][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1780.546560][ T903] [ 1780.548868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1780.548868][ T903] netdev_get_by_index+0x5e/0x80 [ 1780.548868][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1780.548868][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1780.548868][ T903] ip6_route_add+0x1c/0x140 [ 1780.548868][ T903] addrconf_add_mroute+0x129/0x180 [ 1780.548868][ T903] addrconf_add_dev+0xe2/0x170 [ 1780.548868][ T903] inet6_addr_add+0x12f/0xa40 [ 1780.548868][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1780.548868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.548868][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.548868][ T903] netlink_unicast+0x449/0x710 [ 1780.548868][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.548868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.548868][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.548868][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.548868][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.548868][ T903] [ 1780.551143][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1780.551143][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1780.551143][ T903] ipv6_find_idev+0x102/0x170 [ 1780.551143][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1780.551143][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.551143][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.551143][ T903] netlink_unicast+0x449/0x710 [ 1780.551143][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.551143][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.551143][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.551143][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.551143][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.551143][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1780.551143][ T903] [ 1780.552825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1780.552825][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1780.552825][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1780.552825][ T903] ipv6_find_idev+0x102/0x170 [ 1780.552825][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1780.552825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1780.552825][ T903] netlink_rcv_skb+0x130/0x360 [ 1780.552825][ T903] netlink_unicast+0x449/0x710 [ 1780.552825][ T903] netlink_sendmsg+0x723/0xbe0 [ 1780.552825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1780.552825][ T903] ___sys_sendmsg+0xee/0x170 [ 1780.552825][ T903] __sys_sendmsg+0xcd/0x170 [ 1780.552825][ T903] do_syscall_64+0xc6/0x1e0 [ 1780.552825][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1780.552825][ T903] [ 1790.797792][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1790.798245][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1790.798245][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1790.798245][ T903] ip6_validate_gw+0x3eb/0x790 [ 1790.798245][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1790.798245][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1790.798245][ T903] ip6_route_add+0x1c/0x140 [ 1790.798245][ T903] inet6_rtm_newroute+0x104/0x110 [ 1790.798245][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.798245][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.798245][ T903] netlink_unicast+0x449/0x710 [ 1790.798245][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.798245][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.798245][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.798245][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.798245][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.798245][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.798245][ T903] [ 1790.800332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1790.800332][ T903] netdev_get_by_index+0x5e/0x80 [ 1790.800332][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1790.800332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1790.800332][ T903] ip6_route_add+0x1c/0x140 [ 1790.800332][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1790.800332][ T903] inet6_addr_add+0x4f8/0xa40 [ 1790.800332][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.800332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.800332][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.800332][ T903] netlink_unicast+0x449/0x710 [ 1790.800332][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.800332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.800332][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.800332][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.800332][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.800332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.800332][ T903] [ 1790.802529][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1790.802529][ T903] netdev_get_by_index+0x5e/0x80 [ 1790.802529][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1790.802529][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1790.802529][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1790.802529][ T903] ipv6_add_addr+0x411/0x2000 [ 1790.802529][ T903] inet6_addr_add+0x30e/0xa40 [ 1790.802529][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.802529][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.802529][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.802529][ T903] netlink_unicast+0x449/0x710 [ 1790.802529][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.802529][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.802529][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.802529][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.802529][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.802529][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.802529][ T903] [ 1790.804732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1790.804732][ T903] netdev_get_by_index+0x5e/0x80 [ 1790.804732][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1790.804732][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1790.804732][ T903] ip6_route_add+0x1c/0x140 [ 1790.804732][ T903] addrconf_add_mroute+0x129/0x180 [ 1790.804732][ T903] addrconf_add_dev+0xe2/0x170 [ 1790.804732][ T903] inet6_addr_add+0x12f/0xa40 [ 1790.804732][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.804732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.804732][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.804732][ T903] netlink_unicast+0x449/0x710 [ 1790.804732][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.804732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.804732][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.804732][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.804732][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.804732][ T903] [ 1790.806911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1790.806911][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1790.806911][ T903] ipv6_find_idev+0x102/0x170 [ 1790.806911][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1790.806911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.806911][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.806911][ T903] netlink_unicast+0x449/0x710 [ 1790.806911][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.806911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.806911][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.806911][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.806911][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.806911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.806911][ T903] [ 1790.808629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1790.808629][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1790.808629][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1790.808629][ T903] ipv6_find_idev+0x102/0x170 [ 1790.808629][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1790.808629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.808629][ T903] netlink_rcv_skb+0x130/0x360 [ 1790.808629][ T903] netlink_unicast+0x449/0x710 [ 1790.808629][ T903] netlink_sendmsg+0x723/0xbe0 [ 1790.808629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1790.808629][ T903] ___sys_sendmsg+0xee/0x170 [ 1790.808629][ T903] __sys_sendmsg+0xcd/0x170 [ 1790.808629][ T903] do_syscall_64+0xc6/0x1e0 [ 1790.808629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.808629][ T903] [ 1800.965796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1800.966244][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1800.966244][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1800.966244][ T903] ip6_validate_gw+0x3eb/0x790 [ 1800.966244][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1800.966244][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1800.966244][ T903] ip6_route_add+0x1c/0x140 [ 1800.966244][ T903] inet6_rtm_newroute+0x104/0x110 [ 1800.966244][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.966244][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.966244][ T903] netlink_unicast+0x449/0x710 [ 1800.966244][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.966244][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.966244][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.966244][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.966244][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.966244][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.966244][ T903] [ 1800.968348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1800.968348][ T903] netdev_get_by_index+0x5e/0x80 [ 1800.968348][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1800.968348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1800.968348][ T903] ip6_route_add+0x1c/0x140 [ 1800.968348][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1800.968348][ T903] inet6_addr_add+0x4f8/0xa40 [ 1800.968348][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.968348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.968348][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.968348][ T903] netlink_unicast+0x449/0x710 [ 1800.968348][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.968348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.968348][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.968348][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.968348][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.968348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.968348][ T903] [ 1800.970665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1800.970665][ T903] netdev_get_by_index+0x5e/0x80 [ 1800.970665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1800.970665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1800.970665][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1800.970665][ T903] ipv6_add_addr+0x411/0x2000 [ 1800.970665][ T903] inet6_addr_add+0x30e/0xa40 [ 1800.970665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.970665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.970665][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.970665][ T903] netlink_unicast+0x449/0x710 [ 1800.970665][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.970665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.970665][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.970665][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.970665][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.970665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.970665][ T903] [ 1800.972860][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1800.972860][ T903] netdev_get_by_index+0x5e/0x80 [ 1800.972860][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1800.972860][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1800.972860][ T903] ip6_route_add+0x1c/0x140 [ 1800.972860][ T903] addrconf_add_mroute+0x129/0x180 [ 1800.972860][ T903] addrconf_add_dev+0xe2/0x170 [ 1800.972860][ T903] inet6_addr_add+0x12f/0xa40 [ 1800.972860][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.972860][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.972860][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.972860][ T903] netlink_unicast+0x449/0x710 [ 1800.972860][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.972860][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.972860][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.972860][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.972860][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.972860][ T903] [ 1800.975029][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1800.975029][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1800.975029][ T903] ipv6_find_idev+0x102/0x170 [ 1800.975029][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.975029][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.975029][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.975029][ T903] netlink_unicast+0x449/0x710 [ 1800.975029][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.975029][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.975029][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.975029][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.975029][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.975029][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.975029][ T903] [ 1800.976717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1800.976717][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1800.976717][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1800.976717][ T903] ipv6_find_idev+0x102/0x170 [ 1800.976717][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.976717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.976717][ T903] netlink_rcv_skb+0x130/0x360 [ 1800.976717][ T903] netlink_unicast+0x449/0x710 [ 1800.976717][ T903] netlink_sendmsg+0x723/0xbe0 [ 1800.976717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1800.976717][ T903] ___sys_sendmsg+0xee/0x170 [ 1800.976717][ T903] __sys_sendmsg+0xcd/0x170 [ 1800.976717][ T903] do_syscall_64+0xc6/0x1e0 [ 1800.976717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.976717][ T903] [ 1811.213794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1811.214297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1811.214297][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1811.214297][ T903] ip6_validate_gw+0x3eb/0x790 [ 1811.214297][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1811.214297][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1811.214297][ T903] ip6_route_add+0x1c/0x140 [ 1811.214297][ T903] inet6_rtm_newroute+0x104/0x110 [ 1811.214297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.214297][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.214297][ T903] netlink_unicast+0x449/0x710 [ 1811.214297][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.214297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.214297][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.214297][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.214297][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.214297][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1811.214297][ T903] [ 1811.216405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1811.216405][ T903] netdev_get_by_index+0x5e/0x80 [ 1811.216405][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1811.216405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1811.216405][ T903] ip6_route_add+0x1c/0x140 [ 1811.216405][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1811.216405][ T903] inet6_addr_add+0x4f8/0xa40 [ 1811.216405][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1811.216405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.216405][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.216405][ T903] netlink_unicast+0x449/0x710 [ 1811.216405][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.216405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.216405][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.216405][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.216405][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.216405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1811.216405][ T903] [ 1811.218604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1811.218604][ T903] netdev_get_by_index+0x5e/0x80 [ 1811.218604][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1811.218604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1811.218604][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1811.218604][ T903] ipv6_add_addr+0x411/0x2000 [ 1811.218604][ T903] inet6_addr_add+0x30e/0xa40 [ 1811.218604][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1811.218604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.218604][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.218604][ T903] netlink_unicast+0x449/0x710 [ 1811.218604][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.218604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.218604][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.218604][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.218604][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.218604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1811.218604][ T903] [ 1811.220803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1811.220803][ T903] netdev_get_by_index+0x5e/0x80 [ 1811.220803][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1811.220803][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1811.220803][ T903] ip6_route_add+0x1c/0x140 [ 1811.220803][ T903] addrconf_add_mroute+0x129/0x180 [ 1811.220803][ T903] addrconf_add_dev+0xe2/0x170 [ 1811.220803][ T903] inet6_addr_add+0x12f/0xa40 [ 1811.220803][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1811.220803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.220803][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.220803][ T903] netlink_unicast+0x449/0x710 [ 1811.220803][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.220803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.220803][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.220803][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.220803][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.220803][ T903] [ 1811.222962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1811.222962][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1811.222962][ T903] ipv6_find_idev+0x102/0x170 [ 1811.222962][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1811.222962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.222962][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.222962][ T903] netlink_unicast+0x449/0x710 [ 1811.222962][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.222962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.222962][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.222962][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.222962][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.222962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1811.222962][ T903] [ 1811.224665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1811.224665][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1811.224665][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1811.224665][ T903] ipv6_find_idev+0x102/0x170 [ 1811.224665][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1811.224665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1811.224665][ T903] netlink_rcv_skb+0x130/0x360 [ 1811.224665][ T903] netlink_unicast+0x449/0x710 [ 1811.224665][ T903] netlink_sendmsg+0x723/0xbe0 [ 1811.224665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1811.224665][ T903] ___sys_sendmsg+0xee/0x170 [ 1811.224665][ T903] __sys_sendmsg+0xcd/0x170 [ 1811.224665][ T903] do_syscall_64+0xc6/0x1e0 [ 1811.224665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1811.224665][ T903] [ 1821.461821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1821.462336][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1821.462336][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1821.462336][ T903] ip6_validate_gw+0x3eb/0x790 [ 1821.462336][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1821.462336][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1821.462336][ T903] ip6_route_add+0x1c/0x140 [ 1821.462336][ T903] inet6_rtm_newroute+0x104/0x110 [ 1821.462336][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.462336][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.462336][ T903] netlink_unicast+0x449/0x710 [ 1821.462336][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.462336][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.462336][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.462336][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.462336][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.462336][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1821.462336][ T903] [ 1821.464556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1821.464556][ T903] netdev_get_by_index+0x5e/0x80 [ 1821.464556][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1821.464556][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1821.464556][ T903] ip6_route_add+0x1c/0x140 [ 1821.464556][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1821.464556][ T903] inet6_addr_add+0x4f8/0xa40 [ 1821.464556][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1821.464556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.464556][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.464556][ T903] netlink_unicast+0x449/0x710 [ 1821.464556][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.464556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.464556][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.464556][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.464556][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.464556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1821.464556][ T903] [ 1821.466761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1821.466761][ T903] netdev_get_by_index+0x5e/0x80 [ 1821.466761][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1821.466761][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1821.466761][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1821.466761][ T903] ipv6_add_addr+0x411/0x2000 [ 1821.466761][ T903] inet6_addr_add+0x30e/0xa40 [ 1821.466761][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1821.466761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.466761][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.466761][ T903] netlink_unicast+0x449/0x710 [ 1821.466761][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.466761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.466761][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.466761][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.466761][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.466761][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1821.466761][ T903] [ 1821.468961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1821.468961][ T903] netdev_get_by_index+0x5e/0x80 [ 1821.468961][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1821.468961][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1821.468961][ T903] ip6_route_add+0x1c/0x140 [ 1821.468961][ T903] addrconf_add_mroute+0x129/0x180 [ 1821.468961][ T903] addrconf_add_dev+0xe2/0x170 [ 1821.468961][ T903] inet6_addr_add+0x12f/0xa40 [ 1821.468961][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1821.468961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.468961][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.468961][ T903] netlink_unicast+0x449/0x710 [ 1821.468961][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.468961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.468961][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.468961][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.468961][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.468961][ T903] [ 1821.471121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1821.471121][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1821.471121][ T903] ipv6_find_idev+0x102/0x170 [ 1821.471121][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1821.471121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.471121][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.471121][ T903] netlink_unicast+0x449/0x710 [ 1821.471121][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.471121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.471121][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.471121][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.471121][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.471121][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1821.471121][ T903] [ 1821.472848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1821.472848][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1821.472848][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1821.472848][ T903] ipv6_find_idev+0x102/0x170 [ 1821.472848][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1821.472848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1821.472848][ T903] netlink_rcv_skb+0x130/0x360 [ 1821.472848][ T903] netlink_unicast+0x449/0x710 [ 1821.472848][ T903] netlink_sendmsg+0x723/0xbe0 [ 1821.472848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1821.472848][ T903] ___sys_sendmsg+0xee/0x170 [ 1821.472848][ T903] __sys_sendmsg+0xcd/0x170 [ 1821.472848][ T903] do_syscall_64+0xc6/0x1e0 [ 1821.472848][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1821.472848][ T903] [ 1831.717807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1831.718321][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1831.718321][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1831.718321][ T903] ip6_validate_gw+0x3eb/0x790 [ 1831.718321][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1831.718321][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1831.718321][ T903] ip6_route_add+0x1c/0x140 [ 1831.718321][ T903] inet6_rtm_newroute+0x104/0x110 [ 1831.718321][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.718321][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.718321][ T903] netlink_unicast+0x449/0x710 [ 1831.718321][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.718321][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.718321][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.718321][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.718321][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.718321][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.718321][ T903] [ 1831.720438][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1831.720438][ T903] netdev_get_by_index+0x5e/0x80 [ 1831.720438][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1831.720438][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1831.720438][ T903] ip6_route_add+0x1c/0x140 [ 1831.720438][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1831.720438][ T903] inet6_addr_add+0x4f8/0xa40 [ 1831.720438][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.720438][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.720438][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.720438][ T903] netlink_unicast+0x449/0x710 [ 1831.720438][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.720438][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.720438][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.720438][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.720438][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.720438][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.720438][ T903] [ 1831.722638][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1831.722638][ T903] netdev_get_by_index+0x5e/0x80 [ 1831.722638][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1831.722638][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1831.722638][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1831.722638][ T903] ipv6_add_addr+0x411/0x2000 [ 1831.722638][ T903] inet6_addr_add+0x30e/0xa40 [ 1831.722638][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.722638][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.722638][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.722638][ T903] netlink_unicast+0x449/0x710 [ 1831.722638][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.722638][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.722638][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.722638][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.722638][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.722638][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.722638][ T903] [ 1831.724844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1831.724844][ T903] netdev_get_by_index+0x5e/0x80 [ 1831.724844][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1831.724844][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1831.724844][ T903] ip6_route_add+0x1c/0x140 [ 1831.724844][ T903] addrconf_add_mroute+0x129/0x180 [ 1831.724844][ T903] addrconf_add_dev+0xe2/0x170 [ 1831.724844][ T903] inet6_addr_add+0x12f/0xa40 [ 1831.724844][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.724844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.724844][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.724844][ T903] netlink_unicast+0x449/0x710 [ 1831.724844][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.724844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.724844][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.724844][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.724844][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.724844][ T903] [ 1831.727005][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1831.727005][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1831.727005][ T903] ipv6_find_idev+0x102/0x170 [ 1831.727005][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1831.727005][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.727005][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.727005][ T903] netlink_unicast+0x449/0x710 [ 1831.727005][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.727005][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.727005][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.727005][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.727005][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.727005][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.727005][ T903] [ 1831.728698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1831.728698][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1831.728698][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1831.728698][ T903] ipv6_find_idev+0x102/0x170 [ 1831.728698][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1831.728698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.728698][ T903] netlink_rcv_skb+0x130/0x360 [ 1831.728698][ T903] netlink_unicast+0x449/0x710 [ 1831.728698][ T903] netlink_sendmsg+0x723/0xbe0 [ 1831.728698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1831.728698][ T903] ___sys_sendmsg+0xee/0x170 [ 1831.728698][ T903] __sys_sendmsg+0xcd/0x170 [ 1831.728698][ T903] do_syscall_64+0xc6/0x1e0 [ 1831.728698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.728698][ T903] [ 1841.965796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1841.966340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1841.966340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1841.966340][ T903] ip6_validate_gw+0x3eb/0x790 [ 1841.966340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1841.966340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1841.966340][ T903] ip6_route_add+0x1c/0x140 [ 1841.966340][ T903] inet6_rtm_newroute+0x104/0x110 [ 1841.966340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.966340][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.966340][ T903] netlink_unicast+0x449/0x710 [ 1841.966340][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.966340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.966340][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.966340][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.966340][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.966340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.966340][ T903] [ 1841.969062][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1841.969062][ T903] netdev_get_by_index+0x5e/0x80 [ 1841.969062][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1841.969062][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1841.969062][ T903] ip6_route_add+0x1c/0x140 [ 1841.969062][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1841.969062][ T903] inet6_addr_add+0x4f8/0xa40 [ 1841.969062][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.969062][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.969062][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.969062][ T903] netlink_unicast+0x449/0x710 [ 1841.969062][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.969062][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.969062][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.969062][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.969062][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.969062][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.969062][ T903] [ 1841.971965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1841.971965][ T903] netdev_get_by_index+0x5e/0x80 [ 1841.971965][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1841.971965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1841.971965][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1841.971965][ T903] ipv6_add_addr+0x411/0x2000 [ 1841.971965][ T903] inet6_addr_add+0x30e/0xa40 [ 1841.971965][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.971965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.971965][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.971965][ T903] netlink_unicast+0x449/0x710 [ 1841.971965][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.971965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.971965][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.971965][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.971965][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.971965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.971965][ T903] [ 1841.975002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1841.975002][ T903] netdev_get_by_index+0x5e/0x80 [ 1841.975002][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1841.975002][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1841.975002][ T903] ip6_route_add+0x1c/0x140 [ 1841.975002][ T903] addrconf_add_mroute+0x129/0x180 [ 1841.975002][ T903] addrconf_add_dev+0xe2/0x170 [ 1841.975002][ T903] inet6_addr_add+0x12f/0xa40 [ 1841.975002][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.975002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.975002][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.975002][ T903] netlink_unicast+0x449/0x710 [ 1841.975002][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.975002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.975002][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.975002][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.975002][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.975002][ T903] [ 1841.977852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1841.977852][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1841.977852][ T903] ipv6_find_idev+0x102/0x170 [ 1841.977852][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1841.977852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.977852][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.977852][ T903] netlink_unicast+0x449/0x710 [ 1841.977852][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.977852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.977852][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.977852][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.977852][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.977852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.977852][ T903] [ 1841.979999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1841.979999][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1841.979999][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1841.979999][ T903] ipv6_find_idev+0x102/0x170 [ 1841.979999][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1841.979999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.979999][ T903] netlink_rcv_skb+0x130/0x360 [ 1841.979999][ T903] netlink_unicast+0x449/0x710 [ 1841.979999][ T903] netlink_sendmsg+0x723/0xbe0 [ 1841.979999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1841.979999][ T903] ___sys_sendmsg+0xee/0x170 [ 1841.979999][ T903] __sys_sendmsg+0xcd/0x170 [ 1841.979999][ T903] do_syscall_64+0xc6/0x1e0 [ 1841.979999][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.979999][ T903] [ 1852.221802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1852.222328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1852.222328][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1852.222328][ T903] ip6_validate_gw+0x3eb/0x790 [ 1852.222328][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1852.222328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1852.222328][ T903] ip6_route_add+0x1c/0x140 [ 1852.222328][ T903] inet6_rtm_newroute+0x104/0x110 [ 1852.222328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.222328][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.222328][ T903] netlink_unicast+0x449/0x710 [ 1852.222328][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.222328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.222328][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.222328][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.222328][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.222328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1852.222328][ T903] [ 1852.224467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1852.224467][ T903] netdev_get_by_index+0x5e/0x80 [ 1852.224467][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1852.224467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1852.224467][ T903] ip6_route_add+0x1c/0x140 [ 1852.224467][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1852.224467][ T903] inet6_addr_add+0x4f8/0xa40 [ 1852.224467][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1852.224467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.224467][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.224467][ T903] netlink_unicast+0x449/0x710 [ 1852.224467][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.224467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.224467][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.224467][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.224467][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.224467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1852.224467][ T903] [ 1852.226689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1852.226689][ T903] netdev_get_by_index+0x5e/0x80 [ 1852.226689][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1852.226689][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1852.226689][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1852.226689][ T903] ipv6_add_addr+0x411/0x2000 [ 1852.226689][ T903] inet6_addr_add+0x30e/0xa40 [ 1852.226689][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1852.226689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.226689][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.226689][ T903] netlink_unicast+0x449/0x710 [ 1852.226689][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.226689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.226689][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.226689][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.226689][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.226689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1852.226689][ T903] [ 1852.228911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1852.228911][ T903] netdev_get_by_index+0x5e/0x80 [ 1852.228911][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1852.228911][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1852.228911][ T903] ip6_route_add+0x1c/0x140 [ 1852.228911][ T903] addrconf_add_mroute+0x129/0x180 [ 1852.228911][ T903] addrconf_add_dev+0xe2/0x170 [ 1852.228911][ T903] inet6_addr_add+0x12f/0xa40 [ 1852.228911][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1852.228911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.228911][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.228911][ T903] netlink_unicast+0x449/0x710 [ 1852.228911][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.228911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.228911][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.228911][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.228911][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.228911][ T903] [ 1852.231089][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1852.231089][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1852.231089][ T903] ipv6_find_idev+0x102/0x170 [ 1852.231089][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1852.231089][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.231089][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.231089][ T903] netlink_unicast+0x449/0x710 [ 1852.231089][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.231089][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.231089][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.231089][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.231089][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.231089][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1852.231089][ T903] [ 1852.232799][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1852.232799][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1852.232799][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1852.232799][ T903] ipv6_find_idev+0x102/0x170 [ 1852.232799][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1852.232799][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1852.232799][ T903] netlink_rcv_skb+0x130/0x360 [ 1852.232799][ T903] netlink_unicast+0x449/0x710 [ 1852.232799][ T903] netlink_sendmsg+0x723/0xbe0 [ 1852.232799][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1852.232799][ T903] ___sys_sendmsg+0xee/0x170 [ 1852.232799][ T903] __sys_sendmsg+0xcd/0x170 [ 1852.232799][ T903] do_syscall_64+0xc6/0x1e0 [ 1852.232799][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1852.232799][ T903] [ 1862.349738][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1862.350251][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1862.350251][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1862.350251][ T903] ip6_validate_gw+0x3eb/0x790 [ 1862.350251][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1862.350251][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1862.350251][ T903] ip6_route_add+0x1c/0x140 [ 1862.350251][ T903] inet6_rtm_newroute+0x104/0x110 [ 1862.350251][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.350251][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.350251][ T903] netlink_unicast+0x449/0x710 [ 1862.350251][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.350251][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.350251][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.350251][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.350251][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.350251][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1862.350251][ T903] [ 1862.352721][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1862.352721][ T903] netdev_get_by_index+0x5e/0x80 [ 1862.352721][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1862.352721][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1862.352721][ T903] ip6_route_add+0x1c/0x140 [ 1862.352721][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1862.352721][ T903] inet6_addr_add+0x4f8/0xa40 [ 1862.352721][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1862.352721][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.352721][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.352721][ T903] netlink_unicast+0x449/0x710 [ 1862.352721][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.352721][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.352721][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.352721][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.352721][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.352721][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1862.352721][ T903] [ 1862.354929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1862.354929][ T903] netdev_get_by_index+0x5e/0x80 [ 1862.354929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1862.354929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1862.354929][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1862.354929][ T903] ipv6_add_addr+0x411/0x2000 [ 1862.354929][ T903] inet6_addr_add+0x30e/0xa40 [ 1862.354929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1862.354929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.354929][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.354929][ T903] netlink_unicast+0x449/0x710 [ 1862.354929][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.354929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.354929][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.354929][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.354929][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.354929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1862.354929][ T903] [ 1862.357121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1862.357121][ T903] netdev_get_by_index+0x5e/0x80 [ 1862.357121][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1862.357121][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1862.357121][ T903] ip6_route_add+0x1c/0x140 [ 1862.357121][ T903] addrconf_add_mroute+0x129/0x180 [ 1862.357121][ T903] addrconf_add_dev+0xe2/0x170 [ 1862.357121][ T903] inet6_addr_add+0x12f/0xa40 [ 1862.357121][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1862.357121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.357121][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.357121][ T903] netlink_unicast+0x449/0x710 [ 1862.357121][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.357121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.357121][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.357121][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.357121][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.357121][ T903] [ 1862.359280][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1862.359280][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1862.359280][ T903] ipv6_find_idev+0x102/0x170 [ 1862.359280][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1862.359280][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.359280][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.359280][ T903] netlink_unicast+0x449/0x710 [ 1862.359280][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.359280][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.359280][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.359280][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.359280][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.359280][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1862.359280][ T903] [ 1862.360971][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1862.360971][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1862.360971][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1862.360971][ T903] ipv6_find_idev+0x102/0x170 [ 1862.360971][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1862.360971][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1862.360971][ T903] netlink_rcv_skb+0x130/0x360 [ 1862.360971][ T903] netlink_unicast+0x449/0x710 [ 1862.360971][ T903] netlink_sendmsg+0x723/0xbe0 [ 1862.360971][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1862.360971][ T903] ___sys_sendmsg+0xee/0x170 [ 1862.360971][ T903] __sys_sendmsg+0xcd/0x170 [ 1862.360971][ T903] do_syscall_64+0xc6/0x1e0 [ 1862.360971][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1862.360971][ T903] [ 1872.605821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1872.606341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1872.606341][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1872.606341][ T903] ip6_validate_gw+0x3eb/0x790 [ 1872.606341][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1872.606341][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1872.606341][ T903] ip6_route_add+0x1c/0x140 [ 1872.606341][ T903] inet6_rtm_newroute+0x104/0x110 [ 1872.606341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.606341][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.606341][ T903] netlink_unicast+0x449/0x710 [ 1872.606341][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.606341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.606341][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.606341][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.606341][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.606341][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1872.606341][ T903] [ 1872.608437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1872.608437][ T903] netdev_get_by_index+0x5e/0x80 [ 1872.608437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1872.608437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1872.608437][ T903] ip6_route_add+0x1c/0x140 [ 1872.608437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1872.608437][ T903] inet6_addr_add+0x4f8/0xa40 [ 1872.608437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1872.608437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.608437][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.608437][ T903] netlink_unicast+0x449/0x710 [ 1872.608437][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.608437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.608437][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.608437][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.608437][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.608437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1872.608437][ T903] [ 1872.610745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1872.610745][ T903] netdev_get_by_index+0x5e/0x80 [ 1872.610745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1872.610745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1872.610745][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1872.610745][ T903] ipv6_add_addr+0x411/0x2000 [ 1872.610745][ T903] inet6_addr_add+0x30e/0xa40 [ 1872.610745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1872.610745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.610745][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.610745][ T903] netlink_unicast+0x449/0x710 [ 1872.610745][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.610745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.610745][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.610745][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.610745][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.610745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1872.610745][ T903] [ 1872.612950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1872.612950][ T903] netdev_get_by_index+0x5e/0x80 [ 1872.612950][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1872.612950][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1872.612950][ T903] ip6_route_add+0x1c/0x140 [ 1872.612950][ T903] addrconf_add_mroute+0x129/0x180 [ 1872.612950][ T903] addrconf_add_dev+0xe2/0x170 [ 1872.612950][ T903] inet6_addr_add+0x12f/0xa40 [ 1872.612950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1872.612950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.612950][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.612950][ T903] netlink_unicast+0x449/0x710 [ 1872.612950][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.612950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.612950][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.612950][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.612950][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.612950][ T903] [ 1872.615109][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1872.615109][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1872.615109][ T903] ipv6_find_idev+0x102/0x170 [ 1872.615109][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1872.615109][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.615109][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.615109][ T903] netlink_unicast+0x449/0x710 [ 1872.615109][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.615109][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.615109][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.615109][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.615109][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.615109][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1872.615109][ T903] [ 1872.616792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1872.616792][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1872.616792][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1872.616792][ T903] ipv6_find_idev+0x102/0x170 [ 1872.616792][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1872.616792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1872.616792][ T903] netlink_rcv_skb+0x130/0x360 [ 1872.616792][ T903] netlink_unicast+0x449/0x710 [ 1872.616792][ T903] netlink_sendmsg+0x723/0xbe0 [ 1872.616792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1872.616792][ T903] ___sys_sendmsg+0xee/0x170 [ 1872.616792][ T903] __sys_sendmsg+0xcd/0x170 [ 1872.616792][ T903] do_syscall_64+0xc6/0x1e0 [ 1872.616792][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1872.616792][ T903] [ 1882.853815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1882.854326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1882.854326][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1882.854326][ T903] ip6_validate_gw+0x3eb/0x790 [ 1882.854326][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1882.854326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1882.854326][ T903] ip6_route_add+0x1c/0x140 [ 1882.854326][ T903] inet6_rtm_newroute+0x104/0x110 [ 1882.854326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.854326][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.854326][ T903] netlink_unicast+0x449/0x710 [ 1882.854326][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.854326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.854326][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.854326][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.854326][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.854326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1882.854326][ T903] [ 1882.856458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1882.856458][ T903] netdev_get_by_index+0x5e/0x80 [ 1882.856458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1882.856458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1882.856458][ T903] ip6_route_add+0x1c/0x140 [ 1882.856458][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1882.856458][ T903] inet6_addr_add+0x4f8/0xa40 [ 1882.856458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1882.856458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.856458][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.856458][ T903] netlink_unicast+0x449/0x710 [ 1882.856458][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.856458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.856458][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.856458][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.856458][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.856458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1882.856458][ T903] [ 1882.858685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1882.858685][ T903] netdev_get_by_index+0x5e/0x80 [ 1882.858685][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1882.858685][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1882.858685][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1882.858685][ T903] ipv6_add_addr+0x411/0x2000 [ 1882.858685][ T903] inet6_addr_add+0x30e/0xa40 [ 1882.858685][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1882.858685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.858685][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.858685][ T903] netlink_unicast+0x449/0x710 [ 1882.858685][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.858685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.858685][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.858685][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.858685][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.858685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1882.858685][ T903] [ 1882.860907][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1882.860907][ T903] netdev_get_by_index+0x5e/0x80 [ 1882.860907][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1882.860907][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1882.860907][ T903] ip6_route_add+0x1c/0x140 [ 1882.860907][ T903] addrconf_add_mroute+0x129/0x180 [ 1882.860907][ T903] addrconf_add_dev+0xe2/0x170 [ 1882.860907][ T903] inet6_addr_add+0x12f/0xa40 [ 1882.860907][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1882.860907][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.860907][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.860907][ T903] netlink_unicast+0x449/0x710 [ 1882.860907][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.860907][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.860907][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.860907][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.860907][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.860907][ T903] [ 1882.863077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1882.863077][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1882.863077][ T903] ipv6_find_idev+0x102/0x170 [ 1882.863077][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1882.863077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.863077][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.863077][ T903] netlink_unicast+0x449/0x710 [ 1882.863077][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.863077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.863077][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.863077][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.863077][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.863077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1882.863077][ T903] [ 1882.864767][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1882.864767][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1882.864767][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1882.864767][ T903] ipv6_find_idev+0x102/0x170 [ 1882.864767][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1882.864767][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1882.864767][ T903] netlink_rcv_skb+0x130/0x360 [ 1882.864767][ T903] netlink_unicast+0x449/0x710 [ 1882.864767][ T903] netlink_sendmsg+0x723/0xbe0 [ 1882.864767][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1882.864767][ T903] ___sys_sendmsg+0xee/0x170 [ 1882.864767][ T903] __sys_sendmsg+0xcd/0x170 [ 1882.864767][ T903] do_syscall_64+0xc6/0x1e0 [ 1882.864767][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1882.864767][ T903] [ 1893.101956][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1893.102446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1893.102446][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1893.102446][ T903] ip6_validate_gw+0x3eb/0x790 [ 1893.102446][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1893.102446][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1893.102446][ T903] ip6_route_add+0x1c/0x140 [ 1893.102446][ T903] inet6_rtm_newroute+0x104/0x110 [ 1893.102446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.102446][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.102446][ T903] netlink_unicast+0x449/0x710 [ 1893.102446][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.102446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.102446][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.102446][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.102446][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.102446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1893.102446][ T903] [ 1893.104659][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1893.104659][ T903] netdev_get_by_index+0x5e/0x80 [ 1893.104659][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1893.104659][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1893.104659][ T903] ip6_route_add+0x1c/0x140 [ 1893.104659][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1893.104659][ T903] inet6_addr_add+0x4f8/0xa40 [ 1893.104659][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1893.104659][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.104659][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.104659][ T903] netlink_unicast+0x449/0x710 [ 1893.104659][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.104659][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.104659][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.104659][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.104659][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.104659][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1893.104659][ T903] [ 1893.106978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1893.106978][ T903] netdev_get_by_index+0x5e/0x80 [ 1893.106978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1893.106978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1893.106978][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1893.106978][ T903] ipv6_add_addr+0x411/0x2000 [ 1893.106978][ T903] inet6_addr_add+0x30e/0xa40 [ 1893.106978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1893.106978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.106978][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.106978][ T903] netlink_unicast+0x449/0x710 [ 1893.106978][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.106978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.106978][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.106978][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.106978][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.106978][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1893.106978][ T903] [ 1893.109270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1893.109270][ T903] netdev_get_by_index+0x5e/0x80 [ 1893.109270][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1893.109270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1893.109270][ T903] ip6_route_add+0x1c/0x140 [ 1893.109270][ T903] addrconf_add_mroute+0x129/0x180 [ 1893.109270][ T903] addrconf_add_dev+0xe2/0x170 [ 1893.109270][ T903] inet6_addr_add+0x12f/0xa40 [ 1893.109270][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1893.109270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.109270][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.109270][ T903] netlink_unicast+0x449/0x710 [ 1893.109270][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.109270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.109270][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.109270][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.109270][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.109270][ T903] [ 1893.111516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1893.111516][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1893.111516][ T903] ipv6_find_idev+0x102/0x170 [ 1893.111516][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1893.111516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.111516][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.111516][ T903] netlink_unicast+0x449/0x710 [ 1893.111516][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.111516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.111516][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.111516][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.111516][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.111516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1893.111516][ T903] [ 1893.113290][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1893.113290][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1893.113290][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1893.113290][ T903] ipv6_find_idev+0x102/0x170 [ 1893.113290][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1893.113290][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1893.113290][ T903] netlink_rcv_skb+0x130/0x360 [ 1893.113290][ T903] netlink_unicast+0x449/0x710 [ 1893.113290][ T903] netlink_sendmsg+0x723/0xbe0 [ 1893.113290][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1893.113290][ T903] ___sys_sendmsg+0xee/0x170 [ 1893.113290][ T903] __sys_sendmsg+0xcd/0x170 [ 1893.113290][ T903] do_syscall_64+0xc6/0x1e0 [ 1893.113290][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1893.113290][ T903] [ 1903.357852][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1903.358385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1903.358385][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1903.358385][ T903] ip6_validate_gw+0x3eb/0x790 [ 1903.358385][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1903.358385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1903.358385][ T903] ip6_route_add+0x1c/0x140 [ 1903.358385][ T903] inet6_rtm_newroute+0x104/0x110 [ 1903.358385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.358385][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.358385][ T903] netlink_unicast+0x449/0x710 [ 1903.358385][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.358385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.358385][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.358385][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.358385][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.358385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1903.358385][ T903] [ 1903.360614][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1903.360614][ T903] netdev_get_by_index+0x5e/0x80 [ 1903.360614][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1903.360614][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1903.360614][ T903] ip6_route_add+0x1c/0x140 [ 1903.360614][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1903.360614][ T903] inet6_addr_add+0x4f8/0xa40 [ 1903.360614][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1903.360614][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.360614][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.360614][ T903] netlink_unicast+0x449/0x710 [ 1903.360614][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.360614][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.360614][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.360614][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.360614][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.360614][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1903.360614][ T903] [ 1903.362937][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1903.362937][ T903] netdev_get_by_index+0x5e/0x80 [ 1903.362937][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1903.362937][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1903.362937][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1903.362937][ T903] ipv6_add_addr+0x411/0x2000 [ 1903.362937][ T903] inet6_addr_add+0x30e/0xa40 [ 1903.362937][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1903.362937][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.362937][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.362937][ T903] netlink_unicast+0x449/0x710 [ 1903.362937][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.362937][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.362937][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.362937][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.362937][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.362937][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1903.362937][ T903] [ 1903.365245][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1903.365245][ T903] netdev_get_by_index+0x5e/0x80 [ 1903.365245][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1903.365245][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1903.365245][ T903] ip6_route_add+0x1c/0x140 [ 1903.365245][ T903] addrconf_add_mroute+0x129/0x180 [ 1903.365245][ T903] addrconf_add_dev+0xe2/0x170 [ 1903.365245][ T903] inet6_addr_add+0x12f/0xa40 [ 1903.365245][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1903.365245][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.365245][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.365245][ T903] netlink_unicast+0x449/0x710 [ 1903.365245][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.365245][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.365245][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.365245][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.365245][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.365245][ T903] [ 1903.367537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1903.367537][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1903.367537][ T903] ipv6_find_idev+0x102/0x170 [ 1903.367537][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1903.367537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.367537][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.367537][ T903] netlink_unicast+0x449/0x710 [ 1903.367537][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.367537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.367537][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.367537][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.367537][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.367537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1903.367537][ T903] [ 1903.369331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1903.369331][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1903.369331][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1903.369331][ T903] ipv6_find_idev+0x102/0x170 [ 1903.369331][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1903.369331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1903.369331][ T903] netlink_rcv_skb+0x130/0x360 [ 1903.369331][ T903] netlink_unicast+0x449/0x710 [ 1903.369331][ T903] netlink_sendmsg+0x723/0xbe0 [ 1903.369331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1903.369331][ T903] ___sys_sendmsg+0xee/0x170 [ 1903.369331][ T903] __sys_sendmsg+0xcd/0x170 [ 1903.369331][ T903] do_syscall_64+0xc6/0x1e0 [ 1903.369331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1903.369331][ T903] [ 1913.469864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1913.470452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1913.470452][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1913.470452][ T903] ip6_validate_gw+0x3eb/0x790 [ 1913.470452][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1913.470452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1913.470452][ T903] ip6_route_add+0x1c/0x140 [ 1913.470452][ T903] inet6_rtm_newroute+0x104/0x110 [ 1913.470452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.470452][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.470452][ T903] netlink_unicast+0x449/0x710 [ 1913.470452][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.470452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.470452][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.470452][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.470452][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.470452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1913.470452][ T903] [ 1913.472716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1913.472716][ T903] netdev_get_by_index+0x5e/0x80 [ 1913.472716][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1913.472716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1913.472716][ T903] ip6_route_add+0x1c/0x140 [ 1913.472716][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1913.472716][ T903] inet6_addr_add+0x4f8/0xa40 [ 1913.472716][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1913.472716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.472716][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.472716][ T903] netlink_unicast+0x449/0x710 [ 1913.472716][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.472716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.472716][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.472716][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.472716][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.472716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1913.472716][ T903] [ 1913.475036][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1913.475036][ T903] netdev_get_by_index+0x5e/0x80 [ 1913.475036][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1913.475036][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1913.475036][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1913.475036][ T903] ipv6_add_addr+0x411/0x2000 [ 1913.475036][ T903] inet6_addr_add+0x30e/0xa40 [ 1913.475036][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1913.475036][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.475036][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.475036][ T903] netlink_unicast+0x449/0x710 [ 1913.475036][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.475036][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.475036][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.475036][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.475036][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.475036][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1913.475036][ T903] [ 1913.477372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1913.477372][ T903] netdev_get_by_index+0x5e/0x80 [ 1913.477372][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1913.477372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1913.477372][ T903] ip6_route_add+0x1c/0x140 [ 1913.477372][ T903] addrconf_add_mroute+0x129/0x180 [ 1913.477372][ T903] addrconf_add_dev+0xe2/0x170 [ 1913.477372][ T903] inet6_addr_add+0x12f/0xa40 [ 1913.477372][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1913.477372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.477372][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.477372][ T903] netlink_unicast+0x449/0x710 [ 1913.477372][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.477372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.477372][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.477372][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.477372][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.477372][ T903] [ 1913.479658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1913.479658][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1913.479658][ T903] ipv6_find_idev+0x102/0x170 [ 1913.479658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1913.479658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.479658][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.479658][ T903] netlink_unicast+0x449/0x710 [ 1913.479658][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.479658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.479658][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.479658][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.479658][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.479658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1913.479658][ T903] [ 1913.481436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1913.481436][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1913.481436][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1913.481436][ T903] ipv6_find_idev+0x102/0x170 [ 1913.481436][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1913.481436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1913.481436][ T903] netlink_rcv_skb+0x130/0x360 [ 1913.481436][ T903] netlink_unicast+0x449/0x710 [ 1913.481436][ T903] netlink_sendmsg+0x723/0xbe0 [ 1913.481436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1913.481436][ T903] ___sys_sendmsg+0xee/0x170 [ 1913.481436][ T903] __sys_sendmsg+0xcd/0x170 [ 1913.481436][ T903] do_syscall_64+0xc6/0x1e0 [ 1913.481436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1913.481436][ T903] [ 1923.501843][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1923.502383][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1923.502383][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1923.502383][ T903] ip6_validate_gw+0x3eb/0x790 [ 1923.502383][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1923.502383][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1923.502383][ T903] ip6_route_add+0x1c/0x140 [ 1923.502383][ T903] inet6_rtm_newroute+0x104/0x110 [ 1923.502383][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.502383][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.502383][ T903] netlink_unicast+0x449/0x710 [ 1923.502383][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.502383][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.502383][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.502383][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.502383][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.502383][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1923.502383][ T903] [ 1923.504586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1923.504586][ T903] netdev_get_by_index+0x5e/0x80 [ 1923.504586][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1923.504586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1923.504586][ T903] ip6_route_add+0x1c/0x140 [ 1923.504586][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1923.504586][ T903] inet6_addr_add+0x4f8/0xa40 [ 1923.504586][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1923.504586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.504586][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.504586][ T903] netlink_unicast+0x449/0x710 [ 1923.504586][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.504586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.504586][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.504586][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.504586][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.504586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1923.504586][ T903] [ 1923.506960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1923.506960][ T903] netdev_get_by_index+0x5e/0x80 [ 1923.506960][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1923.506960][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1923.506960][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1923.506960][ T903] ipv6_add_addr+0x411/0x2000 [ 1923.506960][ T903] inet6_addr_add+0x30e/0xa40 [ 1923.506960][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1923.506960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.506960][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.506960][ T903] netlink_unicast+0x449/0x710 [ 1923.506960][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.506960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.506960][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.506960][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.506960][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.506960][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1923.506960][ T903] [ 1923.509303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1923.509303][ T903] netdev_get_by_index+0x5e/0x80 [ 1923.509303][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1923.509303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1923.509303][ T903] ip6_route_add+0x1c/0x140 [ 1923.509303][ T903] addrconf_add_mroute+0x129/0x180 [ 1923.509303][ T903] addrconf_add_dev+0xe2/0x170 [ 1923.509303][ T903] inet6_addr_add+0x12f/0xa40 [ 1923.509303][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1923.509303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.509303][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.509303][ T903] netlink_unicast+0x449/0x710 [ 1923.509303][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.509303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.509303][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.509303][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.509303][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.509303][ T903] [ 1923.511625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1923.511625][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1923.511625][ T903] ipv6_find_idev+0x102/0x170 [ 1923.511625][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1923.511625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.511625][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.511625][ T903] netlink_unicast+0x449/0x710 [ 1923.511625][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.511625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.511625][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.511625][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.511625][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.511625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1923.511625][ T903] [ 1923.513418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1923.513418][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1923.513418][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1923.513418][ T903] ipv6_find_idev+0x102/0x170 [ 1923.513418][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1923.513418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1923.513418][ T903] netlink_rcv_skb+0x130/0x360 [ 1923.513418][ T903] netlink_unicast+0x449/0x710 [ 1923.513418][ T903] netlink_sendmsg+0x723/0xbe0 [ 1923.513418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1923.513418][ T903] ___sys_sendmsg+0xee/0x170 [ 1923.513418][ T903] __sys_sendmsg+0xcd/0x170 [ 1923.513418][ T903] do_syscall_64+0xc6/0x1e0 [ 1923.513418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1923.513418][ T903] [ 1933.757868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1933.759011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1933.759011][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1933.759011][ T903] ip6_validate_gw+0x3eb/0x790 [ 1933.759011][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1933.759011][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1933.759011][ T903] ip6_route_add+0x1c/0x140 [ 1933.759011][ T903] inet6_rtm_newroute+0x104/0x110 [ 1933.759011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.759011][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.759011][ T903] netlink_unicast+0x449/0x710 [ 1933.759011][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.759011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.759011][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.759011][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.759011][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.759011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.759011][ T903] [ 1933.761104][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1933.761104][ T903] netdev_get_by_index+0x5e/0x80 [ 1933.761104][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1933.761104][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1933.761104][ T903] ip6_route_add+0x1c/0x140 [ 1933.761104][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1933.761104][ T903] inet6_addr_add+0x4f8/0xa40 [ 1933.761104][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.761104][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.761104][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.761104][ T903] netlink_unicast+0x449/0x710 [ 1933.761104][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.761104][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.761104][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.761104][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.761104][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.761104][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.761104][ T903] [ 1933.763351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1933.763351][ T903] netdev_get_by_index+0x5e/0x80 [ 1933.763351][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1933.763351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1933.763351][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1933.763351][ T903] ipv6_add_addr+0x411/0x2000 [ 1933.763351][ T903] inet6_addr_add+0x30e/0xa40 [ 1933.763351][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.763351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.763351][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.763351][ T903] netlink_unicast+0x449/0x710 [ 1933.763351][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.763351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.763351][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.763351][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.763351][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.763351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.763351][ T903] [ 1933.765575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1933.765575][ T903] netdev_get_by_index+0x5e/0x80 [ 1933.765575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1933.765575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1933.765575][ T903] ip6_route_add+0x1c/0x140 [ 1933.765575][ T903] addrconf_add_mroute+0x129/0x180 [ 1933.765575][ T903] addrconf_add_dev+0xe2/0x170 [ 1933.765575][ T903] inet6_addr_add+0x12f/0xa40 [ 1933.765575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.765575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.765575][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.765575][ T903] netlink_unicast+0x449/0x710 [ 1933.765575][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.765575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.765575][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.765575][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.765575][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.765575][ T903] [ 1933.767761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1933.767761][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1933.767761][ T903] ipv6_find_idev+0x102/0x170 [ 1933.767761][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.767761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.767761][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.767761][ T903] netlink_unicast+0x449/0x710 [ 1933.767761][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.767761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.767761][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.767761][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.767761][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.767761][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.767761][ T903] [ 1933.769453][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1933.769453][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1933.769453][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1933.769453][ T903] ipv6_find_idev+0x102/0x170 [ 1933.769453][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.769453][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.769453][ T903] netlink_rcv_skb+0x130/0x360 [ 1933.769453][ T903] netlink_unicast+0x449/0x710 [ 1933.769453][ T903] netlink_sendmsg+0x723/0xbe0 [ 1933.769453][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1933.769453][ T903] ___sys_sendmsg+0xee/0x170 [ 1933.769453][ T903] __sys_sendmsg+0xcd/0x170 [ 1933.769453][ T903] do_syscall_64+0xc6/0x1e0 [ 1933.769453][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.769453][ T903] [ 1944.013874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1944.014455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1944.014455][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1944.014455][ T903] ip6_validate_gw+0x3eb/0x790 [ 1944.014455][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1944.014455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1944.014455][ T903] ip6_route_add+0x1c/0x140 [ 1944.014455][ T903] inet6_rtm_newroute+0x104/0x110 [ 1944.014455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.014455][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.014455][ T903] netlink_unicast+0x449/0x710 [ 1944.014455][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.014455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.014455][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.014455][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.014455][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.014455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1944.014455][ T903] [ 1944.016591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1944.016591][ T903] netdev_get_by_index+0x5e/0x80 [ 1944.016591][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1944.016591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1944.016591][ T903] ip6_route_add+0x1c/0x140 [ 1944.016591][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1944.016591][ T903] inet6_addr_add+0x4f8/0xa40 [ 1944.016591][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1944.016591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.016591][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.016591][ T903] netlink_unicast+0x449/0x710 [ 1944.016591][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.016591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.016591][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.016591][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.016591][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.016591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1944.016591][ T903] [ 1944.018814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1944.018814][ T903] netdev_get_by_index+0x5e/0x80 [ 1944.018814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1944.018814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1944.018814][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1944.018814][ T903] ipv6_add_addr+0x411/0x2000 [ 1944.018814][ T903] inet6_addr_add+0x30e/0xa40 [ 1944.018814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1944.018814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.018814][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.018814][ T903] netlink_unicast+0x449/0x710 [ 1944.018814][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.018814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.018814][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.018814][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.018814][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.018814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1944.018814][ T903] [ 1944.021010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1944.021010][ T903] netdev_get_by_index+0x5e/0x80 [ 1944.021010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1944.021010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1944.021010][ T903] ip6_route_add+0x1c/0x140 [ 1944.021010][ T903] addrconf_add_mroute+0x129/0x180 [ 1944.021010][ T903] addrconf_add_dev+0xe2/0x170 [ 1944.021010][ T903] inet6_addr_add+0x12f/0xa40 [ 1944.021010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1944.021010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.021010][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.021010][ T903] netlink_unicast+0x449/0x710 [ 1944.021010][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.021010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.021010][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.021010][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.021010][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.021010][ T903] [ 1944.023188][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1944.023188][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1944.023188][ T903] ipv6_find_idev+0x102/0x170 [ 1944.023188][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1944.023188][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.023188][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.023188][ T903] netlink_unicast+0x449/0x710 [ 1944.023188][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.023188][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.023188][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.023188][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.023188][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.023188][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1944.023188][ T903] [ 1944.024884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1944.024884][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1944.024884][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1944.024884][ T903] ipv6_find_idev+0x102/0x170 [ 1944.024884][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1944.024884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1944.024884][ T903] netlink_rcv_skb+0x130/0x360 [ 1944.024884][ T903] netlink_unicast+0x449/0x710 [ 1944.024884][ T903] netlink_sendmsg+0x723/0xbe0 [ 1944.024884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1944.024884][ T903] ___sys_sendmsg+0xee/0x170 [ 1944.024884][ T903] __sys_sendmsg+0xcd/0x170 [ 1944.024884][ T903] do_syscall_64+0xc6/0x1e0 [ 1944.024884][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1944.024884][ T903] [ 1954.125873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1954.126668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1954.126668][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1954.126668][ T903] ip6_validate_gw+0x3eb/0x790 [ 1954.126668][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1954.126668][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1954.126668][ T903] ip6_route_add+0x1c/0x140 [ 1954.126668][ T903] inet6_rtm_newroute+0x104/0x110 [ 1954.126668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.126668][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.126668][ T903] netlink_unicast+0x449/0x710 [ 1954.126668][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.126668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.126668][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.126668][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.126668][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.126668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1954.126668][ T903] [ 1954.128814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1954.128814][ T903] netdev_get_by_index+0x5e/0x80 [ 1954.128814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1954.128814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1954.128814][ T903] ip6_route_add+0x1c/0x140 [ 1954.128814][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1954.128814][ T903] inet6_addr_add+0x4f8/0xa40 [ 1954.128814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1954.128814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.128814][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.128814][ T903] netlink_unicast+0x449/0x710 [ 1954.128814][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.128814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.128814][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.128814][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.128814][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.128814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1954.128814][ T903] [ 1954.131053][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1954.131053][ T903] netdev_get_by_index+0x5e/0x80 [ 1954.131053][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1954.131053][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1954.131053][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1954.131053][ T903] ipv6_add_addr+0x411/0x2000 [ 1954.131053][ T903] inet6_addr_add+0x30e/0xa40 [ 1954.131053][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1954.131053][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.131053][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.131053][ T903] netlink_unicast+0x449/0x710 [ 1954.131053][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.131053][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.131053][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.131053][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.131053][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.131053][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1954.131053][ T903] [ 1954.133281][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1954.133281][ T903] netdev_get_by_index+0x5e/0x80 [ 1954.133281][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1954.133281][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1954.133281][ T903] ip6_route_add+0x1c/0x140 [ 1954.133281][ T903] addrconf_add_mroute+0x129/0x180 [ 1954.133281][ T903] addrconf_add_dev+0xe2/0x170 [ 1954.133281][ T903] inet6_addr_add+0x12f/0xa40 [ 1954.133281][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1954.133281][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.133281][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.133281][ T903] netlink_unicast+0x449/0x710 [ 1954.133281][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.133281][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.133281][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.133281][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.133281][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.133281][ T903] [ 1954.135459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1954.135459][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1954.135459][ T903] ipv6_find_idev+0x102/0x170 [ 1954.135459][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1954.135459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.135459][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.135459][ T903] netlink_unicast+0x449/0x710 [ 1954.135459][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.135459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.135459][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.135459][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.135459][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.135459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1954.135459][ T903] [ 1954.137148][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1954.137148][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1954.137148][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1954.137148][ T903] ipv6_find_idev+0x102/0x170 [ 1954.137148][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1954.137148][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1954.137148][ T903] netlink_rcv_skb+0x130/0x360 [ 1954.137148][ T903] netlink_unicast+0x449/0x710 [ 1954.137148][ T903] netlink_sendmsg+0x723/0xbe0 [ 1954.137148][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1954.137148][ T903] ___sys_sendmsg+0xee/0x170 [ 1954.137148][ T903] __sys_sendmsg+0xcd/0x170 [ 1954.137148][ T903] do_syscall_64+0xc6/0x1e0 [ 1954.137148][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1954.137148][ T903] [ 1964.221863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1964.222452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1964.222452][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1964.222452][ T903] ip6_validate_gw+0x3eb/0x790 [ 1964.222452][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1964.222452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1964.222452][ T903] ip6_route_add+0x1c/0x140 [ 1964.222452][ T903] inet6_rtm_newroute+0x104/0x110 [ 1964.222452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.222452][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.222452][ T903] netlink_unicast+0x449/0x710 [ 1964.222452][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.222452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.222452][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.222452][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.222452][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.222452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1964.222452][ T903] [ 1964.224599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1964.224599][ T903] netdev_get_by_index+0x5e/0x80 [ 1964.224599][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1964.224599][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1964.224599][ T903] ip6_route_add+0x1c/0x140 [ 1964.224599][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1964.224599][ T903] inet6_addr_add+0x4f8/0xa40 [ 1964.224599][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1964.224599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.224599][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.224599][ T903] netlink_unicast+0x449/0x710 [ 1964.224599][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.224599][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.224599][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.224599][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.224599][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.224599][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1964.224599][ T903] [ 1964.226816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1964.226816][ T903] netdev_get_by_index+0x5e/0x80 [ 1964.226816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1964.226816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1964.226816][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1964.226816][ T903] ipv6_add_addr+0x411/0x2000 [ 1964.226816][ T903] inet6_addr_add+0x30e/0xa40 [ 1964.226816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1964.226816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.226816][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.226816][ T903] netlink_unicast+0x449/0x710 [ 1964.226816][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.226816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.226816][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.226816][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.226816][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.226816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1964.226816][ T903] [ 1964.229031][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1964.229031][ T903] netdev_get_by_index+0x5e/0x80 [ 1964.229031][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1964.229031][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1964.229031][ T903] ip6_route_add+0x1c/0x140 [ 1964.229031][ T903] addrconf_add_mroute+0x129/0x180 [ 1964.229031][ T903] addrconf_add_dev+0xe2/0x170 [ 1964.229031][ T903] inet6_addr_add+0x12f/0xa40 [ 1964.229031][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1964.229031][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.229031][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.229031][ T903] netlink_unicast+0x449/0x710 [ 1964.229031][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.229031][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.229031][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.229031][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.229031][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.229031][ T903] [ 1964.231192][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1964.231192][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1964.231192][ T903] ipv6_find_idev+0x102/0x170 [ 1964.231192][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1964.231192][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.231192][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.231192][ T903] netlink_unicast+0x449/0x710 [ 1964.231192][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.231192][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.231192][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.231192][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.231192][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.231192][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1964.231192][ T903] [ 1964.232883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1964.232883][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1964.232883][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1964.232883][ T903] ipv6_find_idev+0x102/0x170 [ 1964.232883][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1964.232883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1964.232883][ T903] netlink_rcv_skb+0x130/0x360 [ 1964.232883][ T903] netlink_unicast+0x449/0x710 [ 1964.232883][ T903] netlink_sendmsg+0x723/0xbe0 [ 1964.232883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1964.232883][ T903] ___sys_sendmsg+0xee/0x170 [ 1964.232883][ T903] __sys_sendmsg+0xcd/0x170 [ 1964.232883][ T903] do_syscall_64+0xc6/0x1e0 [ 1964.232883][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1964.232883][ T903] [ 1974.429807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1974.430319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1974.430319][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1974.430319][ T903] ip6_validate_gw+0x3eb/0x790 [ 1974.430319][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1974.430319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1974.430319][ T903] ip6_route_add+0x1c/0x140 [ 1974.430319][ T903] inet6_rtm_newroute+0x104/0x110 [ 1974.430319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.430319][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.430319][ T903] netlink_unicast+0x449/0x710 [ 1974.430319][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.430319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.430319][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.430319][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.430319][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.430319][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.430319][ T903] [ 1974.432459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1974.432459][ T903] netdev_get_by_index+0x5e/0x80 [ 1974.432459][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1974.432459][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1974.432459][ T903] ip6_route_add+0x1c/0x140 [ 1974.432459][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1974.432459][ T903] inet6_addr_add+0x4f8/0xa40 [ 1974.432459][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.432459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.432459][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.432459][ T903] netlink_unicast+0x449/0x710 [ 1974.432459][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.432459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.432459][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.432459][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.432459][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.432459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.432459][ T903] [ 1974.434674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1974.434674][ T903] netdev_get_by_index+0x5e/0x80 [ 1974.434674][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1974.434674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1974.434674][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1974.434674][ T903] ipv6_add_addr+0x411/0x2000 [ 1974.434674][ T903] inet6_addr_add+0x30e/0xa40 [ 1974.434674][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.434674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.434674][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.434674][ T903] netlink_unicast+0x449/0x710 [ 1974.434674][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.434674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.434674][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.434674][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.434674][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.434674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.434674][ T903] [ 1974.437009][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1974.437009][ T903] netdev_get_by_index+0x5e/0x80 [ 1974.437009][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1974.437009][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1974.437009][ T903] ip6_route_add+0x1c/0x140 [ 1974.437009][ T903] addrconf_add_mroute+0x129/0x180 [ 1974.437009][ T903] addrconf_add_dev+0xe2/0x170 [ 1974.437009][ T903] inet6_addr_add+0x12f/0xa40 [ 1974.437009][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.437009][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.437009][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.437009][ T903] netlink_unicast+0x449/0x710 [ 1974.437009][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.437009][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.437009][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.437009][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.437009][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.437009][ T903] [ 1974.439664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1974.439664][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1974.439664][ T903] ipv6_find_idev+0x102/0x170 [ 1974.439664][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.439664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.439664][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.439664][ T903] netlink_unicast+0x449/0x710 [ 1974.439664][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.439664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.439664][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.439664][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.439664][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.439664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.439664][ T903] [ 1974.441351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1974.441351][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1974.441351][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1974.441351][ T903] ipv6_find_idev+0x102/0x170 [ 1974.441351][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.441351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.441351][ T903] netlink_rcv_skb+0x130/0x360 [ 1974.441351][ T903] netlink_unicast+0x449/0x710 [ 1974.441351][ T903] netlink_sendmsg+0x723/0xbe0 [ 1974.441351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1974.441351][ T903] ___sys_sendmsg+0xee/0x170 [ 1974.441351][ T903] __sys_sendmsg+0xcd/0x170 [ 1974.441351][ T903] do_syscall_64+0xc6/0x1e0 [ 1974.441351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.441351][ T903] [ 1984.685978][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1984.687118][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1984.687118][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1984.687118][ T903] ip6_validate_gw+0x3eb/0x790 [ 1984.687118][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1984.687118][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1984.687118][ T903] ip6_route_add+0x1c/0x140 [ 1984.687118][ T903] inet6_rtm_newroute+0x104/0x110 [ 1984.687118][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.687118][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.687118][ T903] netlink_unicast+0x449/0x710 [ 1984.687118][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.687118][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.687118][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.687118][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.687118][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.687118][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.687118][ T903] [ 1984.689328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1984.689328][ T903] netdev_get_by_index+0x5e/0x80 [ 1984.689328][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1984.689328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1984.689328][ T903] ip6_route_add+0x1c/0x140 [ 1984.689328][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1984.689328][ T903] inet6_addr_add+0x4f8/0xa40 [ 1984.689328][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.689328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.689328][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.689328][ T903] netlink_unicast+0x449/0x710 [ 1984.689328][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.689328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.689328][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.689328][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.689328][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.689328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.689328][ T903] [ 1984.691652][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1984.691652][ T903] netdev_get_by_index+0x5e/0x80 [ 1984.691652][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1984.691652][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1984.691652][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1984.691652][ T903] ipv6_add_addr+0x411/0x2000 [ 1984.691652][ T903] inet6_addr_add+0x30e/0xa40 [ 1984.691652][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.691652][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.691652][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.691652][ T903] netlink_unicast+0x449/0x710 [ 1984.691652][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.691652][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.691652][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.691652][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.691652][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.691652][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.691652][ T903] [ 1984.694010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1984.694010][ T903] netdev_get_by_index+0x5e/0x80 [ 1984.694010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1984.694010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1984.694010][ T903] ip6_route_add+0x1c/0x140 [ 1984.694010][ T903] addrconf_add_mroute+0x129/0x180 [ 1984.694010][ T903] addrconf_add_dev+0xe2/0x170 [ 1984.694010][ T903] inet6_addr_add+0x12f/0xa40 [ 1984.694010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.694010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.694010][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.694010][ T903] netlink_unicast+0x449/0x710 [ 1984.694010][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.694010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.694010][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.694010][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.694010][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.694010][ T903] [ 1984.696278][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1984.696278][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1984.696278][ T903] ipv6_find_idev+0x102/0x170 [ 1984.696278][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.696278][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.696278][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.696278][ T903] netlink_unicast+0x449/0x710 [ 1984.696278][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.696278][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.696278][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.696278][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.696278][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.696278][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.696278][ T903] [ 1984.698535][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1984.698535][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1984.698535][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1984.698535][ T903] ipv6_find_idev+0x102/0x170 [ 1984.698535][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.698535][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.698535][ T903] netlink_rcv_skb+0x130/0x360 [ 1984.698535][ T903] netlink_unicast+0x449/0x710 [ 1984.698535][ T903] netlink_sendmsg+0x723/0xbe0 [ 1984.698535][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1984.698535][ T903] ___sys_sendmsg+0xee/0x170 [ 1984.698535][ T903] __sys_sendmsg+0xcd/0x170 [ 1984.698535][ T903] do_syscall_64+0xc6/0x1e0 [ 1984.698535][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.698535][ T903] [ 1994.701742][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1994.702271][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 1994.702271][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 1994.702271][ T903] ip6_validate_gw+0x3eb/0x790 [ 1994.702271][ T903] fib6_nh_init+0xa5b/0x15b0 [ 1994.702271][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1994.702271][ T903] ip6_route_add+0x1c/0x140 [ 1994.702271][ T903] inet6_rtm_newroute+0x104/0x110 [ 1994.702271][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.702271][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.702271][ T903] netlink_unicast+0x449/0x710 [ 1994.702271][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.702271][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.702271][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.702271][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.702271][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.702271][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.702271][ T903] [ 1994.704861][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1994.704861][ T903] netdev_get_by_index+0x5e/0x80 [ 1994.704861][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1994.704861][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1994.704861][ T903] ip6_route_add+0x1c/0x140 [ 1994.704861][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 1994.704861][ T903] inet6_addr_add+0x4f8/0xa40 [ 1994.704861][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.704861][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.704861][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.704861][ T903] netlink_unicast+0x449/0x710 [ 1994.704861][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.704861][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.704861][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.704861][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.704861][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.704861][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.704861][ T903] [ 1994.707160][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1994.707160][ T903] netdev_get_by_index+0x5e/0x80 [ 1994.707160][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1994.707160][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1994.707160][ T903] addrconf_f6i_alloc+0x244/0x410 [ 1994.707160][ T903] ipv6_add_addr+0x411/0x2000 [ 1994.707160][ T903] inet6_addr_add+0x30e/0xa40 [ 1994.707160][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.707160][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.707160][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.707160][ T903] netlink_unicast+0x449/0x710 [ 1994.707160][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.707160][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.707160][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.707160][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.707160][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.707160][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.707160][ T903] [ 1994.709468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1994.709468][ T903] netdev_get_by_index+0x5e/0x80 [ 1994.709468][ T903] fib6_nh_init+0x3d8/0x15b0 [ 1994.709468][ T903] ip6_route_info_create+0xf18/0x17d0 [ 1994.709468][ T903] ip6_route_add+0x1c/0x140 [ 1994.709468][ T903] addrconf_add_mroute+0x129/0x180 [ 1994.709468][ T903] addrconf_add_dev+0xe2/0x170 [ 1994.709468][ T903] inet6_addr_add+0x12f/0xa40 [ 1994.709468][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.709468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.709468][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.709468][ T903] netlink_unicast+0x449/0x710 [ 1994.709468][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.709468][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.709468][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.709468][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.709468][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.709468][ T903] [ 1994.711722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1994.711722][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 1994.711722][ T903] ipv6_find_idev+0x102/0x170 [ 1994.711722][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.711722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.711722][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.711722][ T903] netlink_unicast+0x449/0x710 [ 1994.711722][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.711722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.711722][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.711722][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.711722][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.711722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.711722][ T903] [ 1994.713503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 1994.713503][ T903] neigh_parms_alloc+0x1e5/0x510 [ 1994.713503][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 1994.713503][ T903] ipv6_find_idev+0x102/0x170 [ 1994.713503][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.713503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.713503][ T903] netlink_rcv_skb+0x130/0x360 [ 1994.713503][ T903] netlink_unicast+0x449/0x710 [ 1994.713503][ T903] netlink_sendmsg+0x723/0xbe0 [ 1994.713503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 1994.713503][ T903] ___sys_sendmsg+0xee/0x170 [ 1994.713503][ T903] __sys_sendmsg+0xcd/0x170 [ 1994.713503][ T903] do_syscall_64+0xc6/0x1e0 [ 1994.713503][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.713503][ T903] [ 2004.957758][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2004.958482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2004.958482][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2004.958482][ T903] ip6_validate_gw+0x3eb/0x790 [ 2004.958482][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2004.958482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2004.958482][ T903] ip6_route_add+0x1c/0x140 [ 2004.958482][ T903] inet6_rtm_newroute+0x104/0x110 [ 2004.958482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.958482][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.958482][ T903] netlink_unicast+0x449/0x710 [ 2004.958482][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.958482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.958482][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.958482][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.958482][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.958482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.958482][ T903] [ 2004.961880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2004.961880][ T903] netdev_get_by_index+0x5e/0x80 [ 2004.961880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2004.961880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2004.961880][ T903] ip6_route_add+0x1c/0x140 [ 2004.961880][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2004.961880][ T903] inet6_addr_add+0x4f8/0xa40 [ 2004.961880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.961880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.961880][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.961880][ T903] netlink_unicast+0x449/0x710 [ 2004.961880][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.961880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.961880][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.961880][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.961880][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.961880][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.961880][ T903] [ 2004.965485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2004.965485][ T903] netdev_get_by_index+0x5e/0x80 [ 2004.965485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2004.965485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2004.965485][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2004.965485][ T903] ipv6_add_addr+0x411/0x2000 [ 2004.965485][ T903] inet6_addr_add+0x30e/0xa40 [ 2004.965485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.965485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.965485][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.965485][ T903] netlink_unicast+0x449/0x710 [ 2004.965485][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.965485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.965485][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.965485][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.965485][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.965485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.965485][ T903] [ 2004.969091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2004.969091][ T903] netdev_get_by_index+0x5e/0x80 [ 2004.969091][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2004.969091][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2004.969091][ T903] ip6_route_add+0x1c/0x140 [ 2004.969091][ T903] addrconf_add_mroute+0x129/0x180 [ 2004.969091][ T903] addrconf_add_dev+0xe2/0x170 [ 2004.969091][ T903] inet6_addr_add+0x12f/0xa40 [ 2004.969091][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.969091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.969091][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.969091][ T903] netlink_unicast+0x449/0x710 [ 2004.969091][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.969091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.969091][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.969091][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.969091][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.969091][ T903] [ 2004.972655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2004.972655][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2004.972655][ T903] ipv6_find_idev+0x102/0x170 [ 2004.972655][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.972655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.972655][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.972655][ T903] netlink_unicast+0x449/0x710 [ 2004.972655][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.972655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.972655][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.972655][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.972655][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.972655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.972655][ T903] [ 2004.975415][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2004.975415][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2004.975415][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2004.975415][ T903] ipv6_find_idev+0x102/0x170 [ 2004.975415][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.975415][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.975415][ T903] netlink_rcv_skb+0x130/0x360 [ 2004.975415][ T903] netlink_unicast+0x449/0x710 [ 2004.975415][ T903] netlink_sendmsg+0x723/0xbe0 [ 2004.975415][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2004.975415][ T903] ___sys_sendmsg+0xee/0x170 [ 2004.975415][ T903] __sys_sendmsg+0xcd/0x170 [ 2004.975415][ T903] do_syscall_64+0xc6/0x1e0 [ 2004.975415][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.975415][ T903] [ 2015.333797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2015.334300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2015.334300][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2015.334300][ T903] ip6_validate_gw+0x3eb/0x790 [ 2015.334300][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2015.334300][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2015.334300][ T903] ip6_route_add+0x1c/0x140 [ 2015.334300][ T903] inet6_rtm_newroute+0x104/0x110 [ 2015.334300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.334300][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.334300][ T903] netlink_unicast+0x449/0x710 [ 2015.334300][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.334300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.334300][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.334300][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.334300][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.334300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.334300][ T903] [ 2015.336399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2015.336399][ T903] netdev_get_by_index+0x5e/0x80 [ 2015.336399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2015.336399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2015.336399][ T903] ip6_route_add+0x1c/0x140 [ 2015.336399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2015.336399][ T903] inet6_addr_add+0x4f8/0xa40 [ 2015.336399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.336399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.336399][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.336399][ T903] netlink_unicast+0x449/0x710 [ 2015.336399][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.336399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.336399][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.336399][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.336399][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.336399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.336399][ T903] [ 2015.338602][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2015.338602][ T903] netdev_get_by_index+0x5e/0x80 [ 2015.338602][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2015.338602][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2015.338602][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2015.338602][ T903] ipv6_add_addr+0x411/0x2000 [ 2015.338602][ T903] inet6_addr_add+0x30e/0xa40 [ 2015.338602][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.338602][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.338602][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.338602][ T903] netlink_unicast+0x449/0x710 [ 2015.338602][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.338602][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.338602][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.338602][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.338602][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.338602][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.338602][ T903] [ 2015.340886][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2015.340886][ T903] netdev_get_by_index+0x5e/0x80 [ 2015.340886][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2015.340886][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2015.340886][ T903] ip6_route_add+0x1c/0x140 [ 2015.340886][ T903] addrconf_add_mroute+0x129/0x180 [ 2015.340886][ T903] addrconf_add_dev+0xe2/0x170 [ 2015.340886][ T903] inet6_addr_add+0x12f/0xa40 [ 2015.340886][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.340886][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.340886][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.340886][ T903] netlink_unicast+0x449/0x710 [ 2015.340886][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.340886][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.340886][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.340886][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.340886][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.340886][ T903] [ 2015.343046][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2015.343046][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2015.343046][ T903] ipv6_find_idev+0x102/0x170 [ 2015.343046][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.343046][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.343046][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.343046][ T903] netlink_unicast+0x449/0x710 [ 2015.343046][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.343046][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.343046][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.343046][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.343046][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.343046][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.343046][ T903] [ 2015.344760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2015.344760][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2015.344760][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2015.344760][ T903] ipv6_find_idev+0x102/0x170 [ 2015.344760][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.344760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.344760][ T903] netlink_rcv_skb+0x130/0x360 [ 2015.344760][ T903] netlink_unicast+0x449/0x710 [ 2015.344760][ T903] netlink_sendmsg+0x723/0xbe0 [ 2015.344760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2015.344760][ T903] ___sys_sendmsg+0xee/0x170 [ 2015.344760][ T903] __sys_sendmsg+0xcd/0x170 [ 2015.344760][ T903] do_syscall_64+0xc6/0x1e0 [ 2015.344760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.344760][ T903] [ 2025.581795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2025.582284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2025.582284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2025.582284][ T903] ip6_validate_gw+0x3eb/0x790 [ 2025.582284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2025.582284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2025.582284][ T903] ip6_route_add+0x1c/0x140 [ 2025.582284][ T903] inet6_rtm_newroute+0x104/0x110 [ 2025.582284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.582284][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.582284][ T903] netlink_unicast+0x449/0x710 [ 2025.582284][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.582284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.582284][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.582284][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.582284][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.582284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.582284][ T903] [ 2025.584394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2025.584394][ T903] netdev_get_by_index+0x5e/0x80 [ 2025.584394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2025.584394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2025.584394][ T903] ip6_route_add+0x1c/0x140 [ 2025.584394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2025.584394][ T903] inet6_addr_add+0x4f8/0xa40 [ 2025.584394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.584394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.584394][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.584394][ T903] netlink_unicast+0x449/0x710 [ 2025.584394][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.584394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.584394][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.584394][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.584394][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.584394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.584394][ T903] [ 2025.586587][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2025.586587][ T903] netdev_get_by_index+0x5e/0x80 [ 2025.586587][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2025.586587][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2025.586587][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2025.586587][ T903] ipv6_add_addr+0x411/0x2000 [ 2025.586587][ T903] inet6_addr_add+0x30e/0xa40 [ 2025.586587][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.586587][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.586587][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.586587][ T903] netlink_unicast+0x449/0x710 [ 2025.586587][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.586587][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.586587][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.586587][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.586587][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.586587][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.586587][ T903] [ 2025.588772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2025.588772][ T903] netdev_get_by_index+0x5e/0x80 [ 2025.588772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2025.588772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2025.588772][ T903] ip6_route_add+0x1c/0x140 [ 2025.588772][ T903] addrconf_add_mroute+0x129/0x180 [ 2025.588772][ T903] addrconf_add_dev+0xe2/0x170 [ 2025.588772][ T903] inet6_addr_add+0x12f/0xa40 [ 2025.588772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.588772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.588772][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.588772][ T903] netlink_unicast+0x449/0x710 [ 2025.588772][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.588772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.588772][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.588772][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.588772][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.588772][ T903] [ 2025.590919][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2025.590919][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2025.590919][ T903] ipv6_find_idev+0x102/0x170 [ 2025.590919][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.590919][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.590919][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.590919][ T903] netlink_unicast+0x449/0x710 [ 2025.590919][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.590919][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.590919][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.590919][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.590919][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.590919][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.590919][ T903] [ 2025.592617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2025.592617][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2025.592617][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2025.592617][ T903] ipv6_find_idev+0x102/0x170 [ 2025.592617][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.592617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.592617][ T903] netlink_rcv_skb+0x130/0x360 [ 2025.592617][ T903] netlink_unicast+0x449/0x710 [ 2025.592617][ T903] netlink_sendmsg+0x723/0xbe0 [ 2025.592617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2025.592617][ T903] ___sys_sendmsg+0xee/0x170 [ 2025.592617][ T903] __sys_sendmsg+0xcd/0x170 [ 2025.592617][ T903] do_syscall_64+0xc6/0x1e0 [ 2025.592617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.592617][ T903] [ 2035.829839][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2035.830353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2035.830353][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2035.830353][ T903] ip6_validate_gw+0x3eb/0x790 [ 2035.830353][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2035.830353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2035.830353][ T903] ip6_route_add+0x1c/0x140 [ 2035.830353][ T903] inet6_rtm_newroute+0x104/0x110 [ 2035.830353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.830353][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.830353][ T903] netlink_unicast+0x449/0x710 [ 2035.830353][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.830353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.830353][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.830353][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.830353][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.830353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.830353][ T903] [ 2035.832452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2035.832452][ T903] netdev_get_by_index+0x5e/0x80 [ 2035.832452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2035.832452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2035.832452][ T903] ip6_route_add+0x1c/0x140 [ 2035.832452][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2035.832452][ T903] inet6_addr_add+0x4f8/0xa40 [ 2035.832452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.832452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.832452][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.832452][ T903] netlink_unicast+0x449/0x710 [ 2035.832452][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.832452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.832452][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.832452][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.832452][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.832452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.832452][ T903] [ 2035.834650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2035.834650][ T903] netdev_get_by_index+0x5e/0x80 [ 2035.834650][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2035.834650][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2035.834650][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2035.834650][ T903] ipv6_add_addr+0x411/0x2000 [ 2035.834650][ T903] inet6_addr_add+0x30e/0xa40 [ 2035.834650][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.834650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.834650][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.834650][ T903] netlink_unicast+0x449/0x710 [ 2035.834650][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.834650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.834650][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.834650][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.834650][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.834650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.834650][ T903] [ 2035.836840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2035.836840][ T903] netdev_get_by_index+0x5e/0x80 [ 2035.836840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2035.836840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2035.836840][ T903] ip6_route_add+0x1c/0x140 [ 2035.836840][ T903] addrconf_add_mroute+0x129/0x180 [ 2035.836840][ T903] addrconf_add_dev+0xe2/0x170 [ 2035.836840][ T903] inet6_addr_add+0x12f/0xa40 [ 2035.836840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.836840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.836840][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.836840][ T903] netlink_unicast+0x449/0x710 [ 2035.836840][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.836840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.836840][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.836840][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.836840][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.836840][ T903] [ 2035.838991][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2035.838991][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2035.838991][ T903] ipv6_find_idev+0x102/0x170 [ 2035.838991][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.838991][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.838991][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.838991][ T903] netlink_unicast+0x449/0x710 [ 2035.838991][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.838991][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.838991][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.838991][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.838991][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.838991][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.838991][ T903] [ 2035.840680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2035.840680][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2035.840680][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2035.840680][ T903] ipv6_find_idev+0x102/0x170 [ 2035.840680][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.840680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.840680][ T903] netlink_rcv_skb+0x130/0x360 [ 2035.840680][ T903] netlink_unicast+0x449/0x710 [ 2035.840680][ T903] netlink_sendmsg+0x723/0xbe0 [ 2035.840680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2035.840680][ T903] ___sys_sendmsg+0xee/0x170 [ 2035.840680][ T903] __sys_sendmsg+0xcd/0x170 [ 2035.840680][ T903] do_syscall_64+0xc6/0x1e0 [ 2035.840680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.840680][ T903] [ 2045.845860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2045.846400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2045.846400][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2045.846400][ T903] ip6_validate_gw+0x3eb/0x790 [ 2045.846400][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2045.846400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2045.846400][ T903] ip6_route_add+0x1c/0x140 [ 2045.846400][ T903] inet6_rtm_newroute+0x104/0x110 [ 2045.846400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.846400][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.846400][ T903] netlink_unicast+0x449/0x710 [ 2045.846400][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.846400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.846400][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.846400][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.846400][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.846400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.846400][ T903] [ 2045.848513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2045.848513][ T903] netdev_get_by_index+0x5e/0x80 [ 2045.848513][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2045.848513][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2045.848513][ T903] ip6_route_add+0x1c/0x140 [ 2045.848513][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2045.848513][ T903] inet6_addr_add+0x4f8/0xa40 [ 2045.848513][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.848513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.848513][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.848513][ T903] netlink_unicast+0x449/0x710 [ 2045.848513][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.848513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.848513][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.848513][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.848513][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.848513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.848513][ T903] [ 2045.850766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2045.850766][ T903] netdev_get_by_index+0x5e/0x80 [ 2045.850766][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2045.850766][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2045.850766][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2045.850766][ T903] ipv6_add_addr+0x411/0x2000 [ 2045.850766][ T903] inet6_addr_add+0x30e/0xa40 [ 2045.850766][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.850766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.850766][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.850766][ T903] netlink_unicast+0x449/0x710 [ 2045.850766][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.850766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.850766][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.850766][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.850766][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.850766][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.850766][ T903] [ 2045.853003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2045.853003][ T903] netdev_get_by_index+0x5e/0x80 [ 2045.853003][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2045.853003][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2045.853003][ T903] ip6_route_add+0x1c/0x140 [ 2045.853003][ T903] addrconf_add_mroute+0x129/0x180 [ 2045.853003][ T903] addrconf_add_dev+0xe2/0x170 [ 2045.853003][ T903] inet6_addr_add+0x12f/0xa40 [ 2045.853003][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.853003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.853003][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.853003][ T903] netlink_unicast+0x449/0x710 [ 2045.853003][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.853003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.853003][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.853003][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.853003][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.853003][ T903] [ 2045.855203][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2045.855203][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2045.855203][ T903] ipv6_find_idev+0x102/0x170 [ 2045.855203][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.855203][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.855203][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.855203][ T903] netlink_unicast+0x449/0x710 [ 2045.855203][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.855203][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.855203][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.855203][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.855203][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.855203][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.855203][ T903] [ 2045.856890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2045.856890][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2045.856890][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2045.856890][ T903] ipv6_find_idev+0x102/0x170 [ 2045.856890][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.856890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.856890][ T903] netlink_rcv_skb+0x130/0x360 [ 2045.856890][ T903] netlink_unicast+0x449/0x710 [ 2045.856890][ T903] netlink_sendmsg+0x723/0xbe0 [ 2045.856890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2045.856890][ T903] ___sys_sendmsg+0xee/0x170 [ 2045.856890][ T903] __sys_sendmsg+0xcd/0x170 [ 2045.856890][ T903] do_syscall_64+0xc6/0x1e0 [ 2045.856890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.856890][ T903] [ 2056.101826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2056.102296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2056.102296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2056.102296][ T903] ip6_validate_gw+0x3eb/0x790 [ 2056.102296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2056.102296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2056.102296][ T903] ip6_route_add+0x1c/0x140 [ 2056.102296][ T903] inet6_rtm_newroute+0x104/0x110 [ 2056.102296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.102296][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.102296][ T903] netlink_unicast+0x449/0x710 [ 2056.102296][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.102296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.102296][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.102296][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.102296][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.102296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.102296][ T903] [ 2056.104499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2056.104499][ T903] netdev_get_by_index+0x5e/0x80 [ 2056.104499][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2056.104499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2056.104499][ T903] ip6_route_add+0x1c/0x140 [ 2056.104499][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2056.104499][ T903] inet6_addr_add+0x4f8/0xa40 [ 2056.104499][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.104499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.104499][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.104499][ T903] netlink_unicast+0x449/0x710 [ 2056.104499][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.104499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.104499][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.104499][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.104499][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.104499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.104499][ T903] [ 2056.106805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2056.106805][ T903] netdev_get_by_index+0x5e/0x80 [ 2056.106805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2056.106805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2056.106805][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2056.106805][ T903] ipv6_add_addr+0x411/0x2000 [ 2056.106805][ T903] inet6_addr_add+0x30e/0xa40 [ 2056.106805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.106805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.106805][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.106805][ T903] netlink_unicast+0x449/0x710 [ 2056.106805][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.106805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.106805][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.106805][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.106805][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.106805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.106805][ T903] [ 2056.109112][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2056.109112][ T903] netdev_get_by_index+0x5e/0x80 [ 2056.109112][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2056.109112][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2056.109112][ T903] ip6_route_add+0x1c/0x140 [ 2056.109112][ T903] addrconf_add_mroute+0x129/0x180 [ 2056.109112][ T903] addrconf_add_dev+0xe2/0x170 [ 2056.109112][ T903] inet6_addr_add+0x12f/0xa40 [ 2056.109112][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.109112][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.109112][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.109112][ T903] netlink_unicast+0x449/0x710 [ 2056.109112][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.109112][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.109112][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.109112][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.109112][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.109112][ T903] [ 2056.111366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2056.111366][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2056.111366][ T903] ipv6_find_idev+0x102/0x170 [ 2056.111366][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2056.111366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.111366][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.111366][ T903] netlink_unicast+0x449/0x710 [ 2056.111366][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.111366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.111366][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.111366][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.111366][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.111366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.111366][ T903] [ 2056.113152][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2056.113152][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2056.113152][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2056.113152][ T903] ipv6_find_idev+0x102/0x170 [ 2056.113152][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2056.113152][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.113152][ T903] netlink_rcv_skb+0x130/0x360 [ 2056.113152][ T903] netlink_unicast+0x449/0x710 [ 2056.113152][ T903] netlink_sendmsg+0x723/0xbe0 [ 2056.113152][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2056.113152][ T903] ___sys_sendmsg+0xee/0x170 [ 2056.113152][ T903] __sys_sendmsg+0xcd/0x170 [ 2056.113152][ T903] do_syscall_64+0xc6/0x1e0 [ 2056.113152][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.113152][ T903] [ 2066.357869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2066.358452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2066.358452][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2066.358452][ T903] ip6_validate_gw+0x3eb/0x790 [ 2066.358452][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2066.358452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2066.358452][ T903] ip6_route_add+0x1c/0x140 [ 2066.358452][ T903] inet6_rtm_newroute+0x104/0x110 [ 2066.358452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.358452][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.358452][ T903] netlink_unicast+0x449/0x710 [ 2066.358452][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.358452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.358452][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.358452][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.358452][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.358452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.358452][ T903] [ 2066.360781][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2066.360781][ T903] netdev_get_by_index+0x5e/0x80 [ 2066.360781][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2066.360781][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2066.360781][ T903] ip6_route_add+0x1c/0x140 [ 2066.360781][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2066.360781][ T903] inet6_addr_add+0x4f8/0xa40 [ 2066.360781][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.360781][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.360781][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.360781][ T903] netlink_unicast+0x449/0x710 [ 2066.360781][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.360781][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.360781][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.360781][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.360781][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.360781][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.360781][ T903] [ 2066.363017][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2066.363017][ T903] netdev_get_by_index+0x5e/0x80 [ 2066.363017][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2066.363017][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2066.363017][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2066.363017][ T903] ipv6_add_addr+0x411/0x2000 [ 2066.363017][ T903] inet6_addr_add+0x30e/0xa40 [ 2066.363017][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.363017][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.363017][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.363017][ T903] netlink_unicast+0x449/0x710 [ 2066.363017][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.363017][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.363017][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.363017][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.363017][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.363017][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.363017][ T903] [ 2066.365232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2066.365232][ T903] netdev_get_by_index+0x5e/0x80 [ 2066.365232][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2066.365232][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2066.365232][ T903] ip6_route_add+0x1c/0x140 [ 2066.365232][ T903] addrconf_add_mroute+0x129/0x180 [ 2066.365232][ T903] addrconf_add_dev+0xe2/0x170 [ 2066.365232][ T903] inet6_addr_add+0x12f/0xa40 [ 2066.365232][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.365232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.365232][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.365232][ T903] netlink_unicast+0x449/0x710 [ 2066.365232][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.365232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.365232][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.365232][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.365232][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.365232][ T903] [ 2066.367405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2066.367405][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2066.367405][ T903] ipv6_find_idev+0x102/0x170 [ 2066.367405][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.367405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.367405][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.367405][ T903] netlink_unicast+0x449/0x710 [ 2066.367405][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.367405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.367405][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.367405][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.367405][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.367405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.367405][ T903] [ 2066.369111][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2066.369111][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2066.369111][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2066.369111][ T903] ipv6_find_idev+0x102/0x170 [ 2066.369111][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.369111][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.369111][ T903] netlink_rcv_skb+0x130/0x360 [ 2066.369111][ T903] netlink_unicast+0x449/0x710 [ 2066.369111][ T903] netlink_sendmsg+0x723/0xbe0 [ 2066.369111][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2066.369111][ T903] ___sys_sendmsg+0xee/0x170 [ 2066.369111][ T903] __sys_sendmsg+0xcd/0x170 [ 2066.369111][ T903] do_syscall_64+0xc6/0x1e0 [ 2066.369111][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.369111][ T903] [ 2076.613865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2076.614378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2076.614378][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2076.614378][ T903] ip6_validate_gw+0x3eb/0x790 [ 2076.614378][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2076.614378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2076.614378][ T903] ip6_route_add+0x1c/0x140 [ 2076.614378][ T903] inet6_rtm_newroute+0x104/0x110 [ 2076.614378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.614378][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.614378][ T903] netlink_unicast+0x449/0x710 [ 2076.614378][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.614378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.614378][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.614378][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.614378][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.614378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.614378][ T903] [ 2076.616426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2076.616426][ T903] netdev_get_by_index+0x5e/0x80 [ 2076.616426][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2076.616426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2076.616426][ T903] ip6_route_add+0x1c/0x140 [ 2076.616426][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2076.616426][ T903] inet6_addr_add+0x4f8/0xa40 [ 2076.616426][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.616426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.616426][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.616426][ T903] netlink_unicast+0x449/0x710 [ 2076.616426][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.616426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.616426][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.616426][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.616426][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.616426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.616426][ T903] [ 2076.618815][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2076.618815][ T903] netdev_get_by_index+0x5e/0x80 [ 2076.618815][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2076.618815][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2076.618815][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2076.618815][ T903] ipv6_add_addr+0x411/0x2000 [ 2076.618815][ T903] inet6_addr_add+0x30e/0xa40 [ 2076.618815][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.618815][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.618815][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.618815][ T903] netlink_unicast+0x449/0x710 [ 2076.618815][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.618815][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.618815][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.618815][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.618815][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.618815][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.618815][ T903] [ 2076.620954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2076.620954][ T903] netdev_get_by_index+0x5e/0x80 [ 2076.620954][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2076.620954][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2076.620954][ T903] ip6_route_add+0x1c/0x140 [ 2076.620954][ T903] addrconf_add_mroute+0x129/0x180 [ 2076.620954][ T903] addrconf_add_dev+0xe2/0x170 [ 2076.620954][ T903] inet6_addr_add+0x12f/0xa40 [ 2076.620954][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.620954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.620954][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.620954][ T903] netlink_unicast+0x449/0x710 [ 2076.620954][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.620954][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.620954][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.620954][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.620954][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.620954][ T903] [ 2076.623148][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2076.623148][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2076.623148][ T903] ipv6_find_idev+0x102/0x170 [ 2076.623148][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.623148][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.623148][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.623148][ T903] netlink_unicast+0x449/0x710 [ 2076.623148][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.623148][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.623148][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.623148][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.623148][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.623148][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.623148][ T903] [ 2076.624835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2076.624835][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2076.624835][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2076.624835][ T903] ipv6_find_idev+0x102/0x170 [ 2076.624835][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.624835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.624835][ T903] netlink_rcv_skb+0x130/0x360 [ 2076.624835][ T903] netlink_unicast+0x449/0x710 [ 2076.624835][ T903] netlink_sendmsg+0x723/0xbe0 [ 2076.624835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2076.624835][ T903] ___sys_sendmsg+0xee/0x170 [ 2076.624835][ T903] __sys_sendmsg+0xcd/0x170 [ 2076.624835][ T903] do_syscall_64+0xc6/0x1e0 [ 2076.624835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.624835][ T903] [ 2086.757822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2086.758347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2086.758347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2086.758347][ T903] ip6_validate_gw+0x3eb/0x790 [ 2086.758347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2086.758347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2086.758347][ T903] ip6_route_add+0x1c/0x140 [ 2086.758347][ T903] inet6_rtm_newroute+0x104/0x110 [ 2086.758347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.758347][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.758347][ T903] netlink_unicast+0x449/0x710 [ 2086.758347][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.758347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.758347][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.758347][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.758347][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.758347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.758347][ T903] [ 2086.760449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2086.760449][ T903] netdev_get_by_index+0x5e/0x80 [ 2086.760449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2086.760449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2086.760449][ T903] ip6_route_add+0x1c/0x140 [ 2086.760449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2086.760449][ T903] inet6_addr_add+0x4f8/0xa40 [ 2086.760449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.760449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.760449][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.760449][ T903] netlink_unicast+0x449/0x710 [ 2086.760449][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.760449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.760449][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.760449][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.760449][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.760449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.760449][ T903] [ 2086.762634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2086.762634][ T903] netdev_get_by_index+0x5e/0x80 [ 2086.762634][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2086.762634][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2086.762634][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2086.762634][ T903] ipv6_add_addr+0x411/0x2000 [ 2086.762634][ T903] inet6_addr_add+0x30e/0xa40 [ 2086.762634][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.762634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.762634][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.762634][ T903] netlink_unicast+0x449/0x710 [ 2086.762634][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.762634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.762634][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.762634][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.762634][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.762634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.762634][ T903] [ 2086.764773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2086.764773][ T903] netdev_get_by_index+0x5e/0x80 [ 2086.764773][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2086.764773][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2086.764773][ T903] ip6_route_add+0x1c/0x140 [ 2086.764773][ T903] addrconf_add_mroute+0x129/0x180 [ 2086.764773][ T903] addrconf_add_dev+0xe2/0x170 [ 2086.764773][ T903] inet6_addr_add+0x12f/0xa40 [ 2086.764773][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.764773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.764773][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.764773][ T903] netlink_unicast+0x449/0x710 [ 2086.764773][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.764773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.764773][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.764773][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.764773][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.764773][ T903] [ 2086.766956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2086.766956][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2086.766956][ T903] ipv6_find_idev+0x102/0x170 [ 2086.766956][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.766956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.766956][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.766956][ T903] netlink_unicast+0x449/0x710 [ 2086.766956][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.766956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.766956][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.766956][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.766956][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.766956][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.766956][ T903] [ 2086.768640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2086.768640][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2086.768640][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2086.768640][ T903] ipv6_find_idev+0x102/0x170 [ 2086.768640][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.768640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.768640][ T903] netlink_rcv_skb+0x130/0x360 [ 2086.768640][ T903] netlink_unicast+0x449/0x710 [ 2086.768640][ T903] netlink_sendmsg+0x723/0xbe0 [ 2086.768640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2086.768640][ T903] ___sys_sendmsg+0xee/0x170 [ 2086.768640][ T903] __sys_sendmsg+0xcd/0x170 [ 2086.768640][ T903] do_syscall_64+0xc6/0x1e0 [ 2086.768640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.768640][ T903] [ 2097.021877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2097.022968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2097.022968][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2097.022968][ T903] ip6_validate_gw+0x3eb/0x790 [ 2097.022968][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2097.022968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2097.022968][ T903] ip6_route_add+0x1c/0x140 [ 2097.022968][ T903] inet6_rtm_newroute+0x104/0x110 [ 2097.022968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.022968][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.022968][ T903] netlink_unicast+0x449/0x710 [ 2097.022968][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.022968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.022968][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.022968][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.022968][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.022968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.022968][ T903] [ 2097.025047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2097.025047][ T903] netdev_get_by_index+0x5e/0x80 [ 2097.025047][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2097.025047][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2097.025047][ T903] ip6_route_add+0x1c/0x140 [ 2097.025047][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2097.025047][ T903] inet6_addr_add+0x4f8/0xa40 [ 2097.025047][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.025047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.025047][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.025047][ T903] netlink_unicast+0x449/0x710 [ 2097.025047][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.025047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.025047][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.025047][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.025047][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.025047][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.025047][ T903] [ 2097.027192][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2097.027192][ T903] netdev_get_by_index+0x5e/0x80 [ 2097.027192][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2097.027192][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2097.027192][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2097.027192][ T903] ipv6_add_addr+0x411/0x2000 [ 2097.027192][ T903] inet6_addr_add+0x30e/0xa40 [ 2097.027192][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.027192][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.027192][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.027192][ T903] netlink_unicast+0x449/0x710 [ 2097.027192][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.027192][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.027192][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.027192][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.027192][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.027192][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.027192][ T903] [ 2097.029395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2097.029395][ T903] netdev_get_by_index+0x5e/0x80 [ 2097.029395][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2097.029395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2097.029395][ T903] ip6_route_add+0x1c/0x140 [ 2097.029395][ T903] addrconf_add_mroute+0x129/0x180 [ 2097.029395][ T903] addrconf_add_dev+0xe2/0x170 [ 2097.029395][ T903] inet6_addr_add+0x12f/0xa40 [ 2097.029395][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.029395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.029395][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.029395][ T903] netlink_unicast+0x449/0x710 [ 2097.029395][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.029395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.029395][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.029395][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.029395][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.029395][ T903] [ 2097.031582][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2097.031582][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2097.031582][ T903] ipv6_find_idev+0x102/0x170 [ 2097.031582][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2097.031582][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.031582][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.031582][ T903] netlink_unicast+0x449/0x710 [ 2097.031582][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.031582][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.031582][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.031582][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.031582][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.031582][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.031582][ T903] [ 2097.033342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2097.033342][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2097.033342][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2097.033342][ T903] ipv6_find_idev+0x102/0x170 [ 2097.033342][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2097.033342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.033342][ T903] netlink_rcv_skb+0x130/0x360 [ 2097.033342][ T903] netlink_unicast+0x449/0x710 [ 2097.033342][ T903] netlink_sendmsg+0x723/0xbe0 [ 2097.033342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2097.033342][ T903] ___sys_sendmsg+0xee/0x170 [ 2097.033342][ T903] __sys_sendmsg+0xcd/0x170 [ 2097.033342][ T903] do_syscall_64+0xc6/0x1e0 [ 2097.033342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.033342][ T903] [ 2107.189866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2107.190946][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2107.190946][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2107.190946][ T903] ip6_validate_gw+0x3eb/0x790 [ 2107.190946][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2107.190946][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2107.190946][ T903] ip6_route_add+0x1c/0x140 [ 2107.190946][ T903] inet6_rtm_newroute+0x104/0x110 [ 2107.190946][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.190946][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.190946][ T903] netlink_unicast+0x449/0x710 [ 2107.190946][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.190946][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.190946][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.190946][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.190946][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.190946][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.190946][ T903] [ 2107.193045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2107.193045][ T903] netdev_get_by_index+0x5e/0x80 [ 2107.193045][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2107.193045][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2107.193045][ T903] ip6_route_add+0x1c/0x140 [ 2107.193045][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2107.193045][ T903] inet6_addr_add+0x4f8/0xa40 [ 2107.193045][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.193045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.193045][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.193045][ T903] netlink_unicast+0x449/0x710 [ 2107.193045][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.193045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.193045][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.193045][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.193045][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.193045][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.193045][ T903] [ 2107.195239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2107.195239][ T903] netdev_get_by_index+0x5e/0x80 [ 2107.195239][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2107.195239][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2107.195239][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2107.195239][ T903] ipv6_add_addr+0x411/0x2000 [ 2107.195239][ T903] inet6_addr_add+0x30e/0xa40 [ 2107.195239][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.195239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.195239][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.195239][ T903] netlink_unicast+0x449/0x710 [ 2107.195239][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.195239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.195239][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.195239][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.195239][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.195239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.195239][ T903] [ 2107.197426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2107.197426][ T903] netdev_get_by_index+0x5e/0x80 [ 2107.197426][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2107.197426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2107.197426][ T903] ip6_route_add+0x1c/0x140 [ 2107.197426][ T903] addrconf_add_mroute+0x129/0x180 [ 2107.197426][ T903] addrconf_add_dev+0xe2/0x170 [ 2107.197426][ T903] inet6_addr_add+0x12f/0xa40 [ 2107.197426][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.197426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.197426][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.197426][ T903] netlink_unicast+0x449/0x710 [ 2107.197426][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.197426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.197426][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.197426][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.197426][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.197426][ T903] [ 2107.199603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2107.199603][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2107.199603][ T903] ipv6_find_idev+0x102/0x170 [ 2107.199603][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.199603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.199603][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.199603][ T903] netlink_unicast+0x449/0x710 [ 2107.199603][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.199603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.199603][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.199603][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.199603][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.199603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.199603][ T903] [ 2107.201274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2107.201274][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2107.201274][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2107.201274][ T903] ipv6_find_idev+0x102/0x170 [ 2107.201274][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.201274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.201274][ T903] netlink_rcv_skb+0x130/0x360 [ 2107.201274][ T903] netlink_unicast+0x449/0x710 [ 2107.201274][ T903] netlink_sendmsg+0x723/0xbe0 [ 2107.201274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2107.201274][ T903] ___sys_sendmsg+0xee/0x170 [ 2107.201274][ T903] __sys_sendmsg+0xcd/0x170 [ 2107.201274][ T903] do_syscall_64+0xc6/0x1e0 [ 2107.201274][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.201274][ T903] [ 2117.445879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2117.446464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2117.446464][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2117.446464][ T903] ip6_validate_gw+0x3eb/0x790 [ 2117.446464][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2117.446464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2117.446464][ T903] ip6_route_add+0x1c/0x140 [ 2117.446464][ T903] inet6_rtm_newroute+0x104/0x110 [ 2117.446464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.446464][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.446464][ T903] netlink_unicast+0x449/0x710 [ 2117.446464][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.446464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.446464][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.446464][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.446464][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.446464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.446464][ T903] [ 2117.448555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2117.448555][ T903] netdev_get_by_index+0x5e/0x80 [ 2117.448555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2117.448555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2117.448555][ T903] ip6_route_add+0x1c/0x140 [ 2117.448555][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2117.448555][ T903] inet6_addr_add+0x4f8/0xa40 [ 2117.448555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.448555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.448555][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.448555][ T903] netlink_unicast+0x449/0x710 [ 2117.448555][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.448555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.448555][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.448555][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.448555][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.448555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.448555][ T903] [ 2117.450742][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2117.450742][ T903] netdev_get_by_index+0x5e/0x80 [ 2117.450742][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2117.450742][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2117.450742][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2117.450742][ T903] ipv6_add_addr+0x411/0x2000 [ 2117.450742][ T903] inet6_addr_add+0x30e/0xa40 [ 2117.450742][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.450742][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.450742][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.450742][ T903] netlink_unicast+0x449/0x710 [ 2117.450742][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.450742][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.450742][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.450742][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.450742][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.450742][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.450742][ T903] [ 2117.452938][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2117.452938][ T903] netdev_get_by_index+0x5e/0x80 [ 2117.452938][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2117.452938][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2117.452938][ T903] ip6_route_add+0x1c/0x140 [ 2117.452938][ T903] addrconf_add_mroute+0x129/0x180 [ 2117.452938][ T903] addrconf_add_dev+0xe2/0x170 [ 2117.452938][ T903] inet6_addr_add+0x12f/0xa40 [ 2117.452938][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.452938][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.452938][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.452938][ T903] netlink_unicast+0x449/0x710 [ 2117.452938][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.452938][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.452938][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.452938][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.452938][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.452938][ T903] [ 2117.455092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2117.455092][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2117.455092][ T903] ipv6_find_idev+0x102/0x170 [ 2117.455092][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.455092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.455092][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.455092][ T903] netlink_unicast+0x449/0x710 [ 2117.455092][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.455092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.455092][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.455092][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.455092][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.455092][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.455092][ T903] [ 2117.456826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2117.456826][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2117.456826][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2117.456826][ T903] ipv6_find_idev+0x102/0x170 [ 2117.456826][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.456826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.456826][ T903] netlink_rcv_skb+0x130/0x360 [ 2117.456826][ T903] netlink_unicast+0x449/0x710 [ 2117.456826][ T903] netlink_sendmsg+0x723/0xbe0 [ 2117.456826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2117.456826][ T903] ___sys_sendmsg+0xee/0x170 [ 2117.456826][ T903] __sys_sendmsg+0xcd/0x170 [ 2117.456826][ T903] do_syscall_64+0xc6/0x1e0 [ 2117.456826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.456826][ T903] [ 2127.693822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2127.694261][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2127.694261][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2127.694261][ T903] ip6_validate_gw+0x3eb/0x790 [ 2127.694261][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2127.694261][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2127.694261][ T903] ip6_route_add+0x1c/0x140 [ 2127.694261][ T903] inet6_rtm_newroute+0x104/0x110 [ 2127.694261][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.694261][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.694261][ T903] netlink_unicast+0x449/0x710 [ 2127.694261][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.694261][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.694261][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.694261][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.694261][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.694261][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.694261][ T903] [ 2127.696371][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2127.696371][ T903] netdev_get_by_index+0x5e/0x80 [ 2127.696371][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2127.696371][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2127.696371][ T903] ip6_route_add+0x1c/0x140 [ 2127.696371][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2127.696371][ T903] inet6_addr_add+0x4f8/0xa40 [ 2127.696371][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.696371][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.696371][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.696371][ T903] netlink_unicast+0x449/0x710 [ 2127.696371][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.696371][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.696371][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.696371][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.696371][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.696371][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.696371][ T903] [ 2127.698575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2127.698575][ T903] netdev_get_by_index+0x5e/0x80 [ 2127.698575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2127.698575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2127.698575][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2127.698575][ T903] ipv6_add_addr+0x411/0x2000 [ 2127.698575][ T903] inet6_addr_add+0x30e/0xa40 [ 2127.698575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.698575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.698575][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.698575][ T903] netlink_unicast+0x449/0x710 [ 2127.698575][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.698575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.698575][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.698575][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.698575][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.698575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.698575][ T903] [ 2127.700769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2127.700769][ T903] netdev_get_by_index+0x5e/0x80 [ 2127.700769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2127.700769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2127.700769][ T903] ip6_route_add+0x1c/0x140 [ 2127.700769][ T903] addrconf_add_mroute+0x129/0x180 [ 2127.700769][ T903] addrconf_add_dev+0xe2/0x170 [ 2127.700769][ T903] inet6_addr_add+0x12f/0xa40 [ 2127.700769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.700769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.700769][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.700769][ T903] netlink_unicast+0x449/0x710 [ 2127.700769][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.700769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.700769][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.700769][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.700769][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.700769][ T903] [ 2127.703002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2127.703002][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2127.703002][ T903] ipv6_find_idev+0x102/0x170 [ 2127.703002][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.703002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.703002][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.703002][ T903] netlink_unicast+0x449/0x710 [ 2127.703002][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.703002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.703002][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.703002][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.703002][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.703002][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.703002][ T903] [ 2127.704698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2127.704698][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2127.704698][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2127.704698][ T903] ipv6_find_idev+0x102/0x170 [ 2127.704698][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.704698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.704698][ T903] netlink_rcv_skb+0x130/0x360 [ 2127.704698][ T903] netlink_unicast+0x449/0x710 [ 2127.704698][ T903] netlink_sendmsg+0x723/0xbe0 [ 2127.704698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2127.704698][ T903] ___sys_sendmsg+0xee/0x170 [ 2127.704698][ T903] __sys_sendmsg+0xcd/0x170 [ 2127.704698][ T903] do_syscall_64+0xc6/0x1e0 [ 2127.704698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.704698][ T903] [ 2137.797875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2137.798445][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2137.798445][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2137.798445][ T903] ip6_validate_gw+0x3eb/0x790 [ 2137.798445][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2137.798445][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2137.798445][ T903] ip6_route_add+0x1c/0x140 [ 2137.798445][ T903] inet6_rtm_newroute+0x104/0x110 [ 2137.798445][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.798445][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.798445][ T903] netlink_unicast+0x449/0x710 [ 2137.798445][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.798445][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.798445][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.798445][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.798445][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.798445][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.798445][ T903] [ 2137.800490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2137.800490][ T903] netdev_get_by_index+0x5e/0x80 [ 2137.800490][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2137.800490][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2137.800490][ T903] ip6_route_add+0x1c/0x140 [ 2137.800490][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2137.800490][ T903] inet6_addr_add+0x4f8/0xa40 [ 2137.800490][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.800490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.800490][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.800490][ T903] netlink_unicast+0x449/0x710 [ 2137.800490][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.800490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.800490][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.800490][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.800490][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.800490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.800490][ T903] [ 2137.802644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2137.802644][ T903] netdev_get_by_index+0x5e/0x80 [ 2137.802644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2137.802644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2137.802644][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2137.802644][ T903] ipv6_add_addr+0x411/0x2000 [ 2137.802644][ T903] inet6_addr_add+0x30e/0xa40 [ 2137.802644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.802644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.802644][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.802644][ T903] netlink_unicast+0x449/0x710 [ 2137.802644][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.802644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.802644][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.802644][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.802644][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.802644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.802644][ T903] [ 2137.804785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2137.804785][ T903] netdev_get_by_index+0x5e/0x80 [ 2137.804785][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2137.804785][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2137.804785][ T903] ip6_route_add+0x1c/0x140 [ 2137.804785][ T903] addrconf_add_mroute+0x129/0x180 [ 2137.804785][ T903] addrconf_add_dev+0xe2/0x170 [ 2137.804785][ T903] inet6_addr_add+0x12f/0xa40 [ 2137.804785][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2137.804785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.804785][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.804785][ T903] netlink_unicast+0x449/0x710 [ 2137.804785][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.804785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.804785][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.804785][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.804785][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.804785][ T903] [ 2137.806904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2137.806904][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2137.806904][ T903] ipv6_find_idev+0x102/0x170 [ 2137.806904][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.806904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.806904][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.806904][ T903] netlink_unicast+0x449/0x710 [ 2137.806904][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.806904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.806904][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.806904][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.806904][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.806904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.806904][ T903] [ 2137.808576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2137.808576][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2137.808576][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2137.808576][ T903] ipv6_find_idev+0x102/0x170 [ 2137.808576][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2137.808576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2137.808576][ T903] netlink_rcv_skb+0x130/0x360 [ 2137.808576][ T903] netlink_unicast+0x449/0x710 [ 2137.808576][ T903] netlink_sendmsg+0x723/0xbe0 [ 2137.808576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2137.808576][ T903] ___sys_sendmsg+0xee/0x170 [ 2137.808576][ T903] __sys_sendmsg+0xcd/0x170 [ 2137.808576][ T903] do_syscall_64+0xc6/0x1e0 [ 2137.808576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2137.808576][ T903] [ 2148.045872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2148.046379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2148.046379][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2148.046379][ T903] ip6_validate_gw+0x3eb/0x790 [ 2148.046379][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2148.046379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2148.046379][ T903] ip6_route_add+0x1c/0x140 [ 2148.046379][ T903] inet6_rtm_newroute+0x104/0x110 [ 2148.046379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.046379][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.046379][ T903] netlink_unicast+0x449/0x710 [ 2148.046379][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.046379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.046379][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.046379][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.046379][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.046379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.046379][ T903] [ 2148.048484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2148.048484][ T903] netdev_get_by_index+0x5e/0x80 [ 2148.048484][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2148.048484][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2148.048484][ T903] ip6_route_add+0x1c/0x140 [ 2148.048484][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2148.048484][ T903] inet6_addr_add+0x4f8/0xa40 [ 2148.048484][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.048484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.048484][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.048484][ T903] netlink_unicast+0x449/0x710 [ 2148.048484][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.048484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.048484][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.048484][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.048484][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.048484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.048484][ T903] [ 2148.050657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2148.050657][ T903] netdev_get_by_index+0x5e/0x80 [ 2148.050657][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2148.050657][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2148.050657][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2148.050657][ T903] ipv6_add_addr+0x411/0x2000 [ 2148.050657][ T903] inet6_addr_add+0x30e/0xa40 [ 2148.050657][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.050657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.050657][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.050657][ T903] netlink_unicast+0x449/0x710 [ 2148.050657][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.050657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.050657][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.050657][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.050657][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.050657][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.050657][ T903] [ 2148.052866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2148.052866][ T903] netdev_get_by_index+0x5e/0x80 [ 2148.052866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2148.052866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2148.052866][ T903] ip6_route_add+0x1c/0x140 [ 2148.052866][ T903] addrconf_add_mroute+0x129/0x180 [ 2148.052866][ T903] addrconf_add_dev+0xe2/0x170 [ 2148.052866][ T903] inet6_addr_add+0x12f/0xa40 [ 2148.052866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.052866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.052866][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.052866][ T903] netlink_unicast+0x449/0x710 [ 2148.052866][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.052866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.052866][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.052866][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.052866][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.052866][ T903] [ 2148.055048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2148.055048][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2148.055048][ T903] ipv6_find_idev+0x102/0x170 [ 2148.055048][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2148.055048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.055048][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.055048][ T903] netlink_unicast+0x449/0x710 [ 2148.055048][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.055048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.055048][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.055048][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.055048][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.055048][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.055048][ T903] [ 2148.056739][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2148.056739][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2148.056739][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2148.056739][ T903] ipv6_find_idev+0x102/0x170 [ 2148.056739][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2148.056739][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.056739][ T903] netlink_rcv_skb+0x130/0x360 [ 2148.056739][ T903] netlink_unicast+0x449/0x710 [ 2148.056739][ T903] netlink_sendmsg+0x723/0xbe0 [ 2148.056739][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2148.056739][ T903] ___sys_sendmsg+0xee/0x170 [ 2148.056739][ T903] __sys_sendmsg+0xcd/0x170 [ 2148.056739][ T903] do_syscall_64+0xc6/0x1e0 [ 2148.056739][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.056739][ T903] [ 2158.293972][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2158.294520][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2158.294520][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2158.294520][ T903] ip6_validate_gw+0x3eb/0x790 [ 2158.294520][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2158.294520][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2158.294520][ T903] ip6_route_add+0x1c/0x140 [ 2158.294520][ T903] inet6_rtm_newroute+0x104/0x110 [ 2158.294520][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.294520][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.294520][ T903] netlink_unicast+0x449/0x710 [ 2158.294520][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.294520][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.294520][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.294520][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.294520][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.294520][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.294520][ T903] [ 2158.296567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2158.296567][ T903] netdev_get_by_index+0x5e/0x80 [ 2158.296567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2158.296567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2158.296567][ T903] ip6_route_add+0x1c/0x140 [ 2158.296567][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2158.296567][ T903] inet6_addr_add+0x4f8/0xa40 [ 2158.296567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.296567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.296567][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.296567][ T903] netlink_unicast+0x449/0x710 [ 2158.296567][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.296567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.296567][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.296567][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.296567][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.296567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.296567][ T903] [ 2158.298785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2158.298785][ T903] netdev_get_by_index+0x5e/0x80 [ 2158.298785][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2158.298785][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2158.298785][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2158.298785][ T903] ipv6_add_addr+0x411/0x2000 [ 2158.298785][ T903] inet6_addr_add+0x30e/0xa40 [ 2158.298785][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.298785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.298785][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.298785][ T903] netlink_unicast+0x449/0x710 [ 2158.298785][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.298785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.298785][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.298785][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.298785][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.298785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.298785][ T903] [ 2158.300988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2158.300988][ T903] netdev_get_by_index+0x5e/0x80 [ 2158.300988][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2158.300988][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2158.300988][ T903] ip6_route_add+0x1c/0x140 [ 2158.300988][ T903] addrconf_add_mroute+0x129/0x180 [ 2158.300988][ T903] addrconf_add_dev+0xe2/0x170 [ 2158.300988][ T903] inet6_addr_add+0x12f/0xa40 [ 2158.300988][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.300988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.300988][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.300988][ T903] netlink_unicast+0x449/0x710 [ 2158.300988][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.300988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.300988][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.300988][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.300988][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.300988][ T903] [ 2158.303165][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2158.303165][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2158.303165][ T903] ipv6_find_idev+0x102/0x170 [ 2158.303165][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2158.303165][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.303165][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.303165][ T903] netlink_unicast+0x449/0x710 [ 2158.303165][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.303165][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.303165][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.303165][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.303165][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.303165][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.303165][ T903] [ 2158.304870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2158.304870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2158.304870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2158.304870][ T903] ipv6_find_idev+0x102/0x170 [ 2158.304870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2158.304870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.304870][ T903] netlink_rcv_skb+0x130/0x360 [ 2158.304870][ T903] netlink_unicast+0x449/0x710 [ 2158.304870][ T903] netlink_sendmsg+0x723/0xbe0 [ 2158.304870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2158.304870][ T903] ___sys_sendmsg+0xee/0x170 [ 2158.304870][ T903] __sys_sendmsg+0xcd/0x170 [ 2158.304870][ T903] do_syscall_64+0xc6/0x1e0 [ 2158.304870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.304870][ T903] [ 2168.549800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2168.550295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2168.550295][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2168.550295][ T903] ip6_validate_gw+0x3eb/0x790 [ 2168.550295][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2168.550295][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2168.550295][ T903] ip6_route_add+0x1c/0x140 [ 2168.550295][ T903] inet6_rtm_newroute+0x104/0x110 [ 2168.550295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.550295][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.550295][ T903] netlink_unicast+0x449/0x710 [ 2168.550295][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.550295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.550295][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.550295][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.550295][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.550295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.550295][ T903] [ 2168.552531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2168.552531][ T903] netdev_get_by_index+0x5e/0x80 [ 2168.552531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2168.552531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2168.552531][ T903] ip6_route_add+0x1c/0x140 [ 2168.552531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2168.552531][ T903] inet6_addr_add+0x4f8/0xa40 [ 2168.552531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.552531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.552531][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.552531][ T903] netlink_unicast+0x449/0x710 [ 2168.552531][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.552531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.552531][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.552531][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.552531][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.552531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.552531][ T903] [ 2168.554728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2168.554728][ T903] netdev_get_by_index+0x5e/0x80 [ 2168.554728][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2168.554728][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2168.554728][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2168.554728][ T903] ipv6_add_addr+0x411/0x2000 [ 2168.554728][ T903] inet6_addr_add+0x30e/0xa40 [ 2168.554728][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.554728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.554728][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.554728][ T903] netlink_unicast+0x449/0x710 [ 2168.554728][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.554728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.554728][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.554728][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.554728][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.554728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.554728][ T903] [ 2168.556942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2168.556942][ T903] netdev_get_by_index+0x5e/0x80 [ 2168.556942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2168.556942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2168.556942][ T903] ip6_route_add+0x1c/0x140 [ 2168.556942][ T903] addrconf_add_mroute+0x129/0x180 [ 2168.556942][ T903] addrconf_add_dev+0xe2/0x170 [ 2168.556942][ T903] inet6_addr_add+0x12f/0xa40 [ 2168.556942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.556942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.556942][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.556942][ T903] netlink_unicast+0x449/0x710 [ 2168.556942][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.556942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.556942][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.556942][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.556942][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.556942][ T903] [ 2168.559107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2168.559107][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2168.559107][ T903] ipv6_find_idev+0x102/0x170 [ 2168.559107][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.559107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.559107][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.559107][ T903] netlink_unicast+0x449/0x710 [ 2168.559107][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.559107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.559107][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.559107][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.559107][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.559107][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.559107][ T903] [ 2168.560796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2168.560796][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2168.560796][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2168.560796][ T903] ipv6_find_idev+0x102/0x170 [ 2168.560796][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.560796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.560796][ T903] netlink_rcv_skb+0x130/0x360 [ 2168.560796][ T903] netlink_unicast+0x449/0x710 [ 2168.560796][ T903] netlink_sendmsg+0x723/0xbe0 [ 2168.560796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2168.560796][ T903] ___sys_sendmsg+0xee/0x170 [ 2168.560796][ T903] __sys_sendmsg+0xcd/0x170 [ 2168.560796][ T903] do_syscall_64+0xc6/0x1e0 [ 2168.560796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.560796][ T903] [ 2178.797880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2178.798993][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2178.798993][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2178.798993][ T903] ip6_validate_gw+0x3eb/0x790 [ 2178.798993][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2178.798993][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2178.798993][ T903] ip6_route_add+0x1c/0x140 [ 2178.798993][ T903] inet6_rtm_newroute+0x104/0x110 [ 2178.798993][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.798993][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.798993][ T903] netlink_unicast+0x449/0x710 [ 2178.798993][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.798993][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.798993][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.798993][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.798993][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.798993][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.798993][ T903] [ 2178.801073][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2178.801073][ T903] netdev_get_by_index+0x5e/0x80 [ 2178.801073][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2178.801073][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2178.801073][ T903] ip6_route_add+0x1c/0x140 [ 2178.801073][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2178.801073][ T903] inet6_addr_add+0x4f8/0xa40 [ 2178.801073][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.801073][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.801073][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.801073][ T903] netlink_unicast+0x449/0x710 [ 2178.801073][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.801073][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.801073][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.801073][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.801073][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.801073][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.801073][ T903] [ 2178.803308][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2178.803308][ T903] netdev_get_by_index+0x5e/0x80 [ 2178.803308][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2178.803308][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2178.803308][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2178.803308][ T903] ipv6_add_addr+0x411/0x2000 [ 2178.803308][ T903] inet6_addr_add+0x30e/0xa40 [ 2178.803308][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.803308][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.803308][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.803308][ T903] netlink_unicast+0x449/0x710 [ 2178.803308][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.803308][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.803308][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.803308][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.803308][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.803308][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.803308][ T903] [ 2178.805480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2178.805480][ T903] netdev_get_by_index+0x5e/0x80 [ 2178.805480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2178.805480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2178.805480][ T903] ip6_route_add+0x1c/0x140 [ 2178.805480][ T903] addrconf_add_mroute+0x129/0x180 [ 2178.805480][ T903] addrconf_add_dev+0xe2/0x170 [ 2178.805480][ T903] inet6_addr_add+0x12f/0xa40 [ 2178.805480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.805480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.805480][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.805480][ T903] netlink_unicast+0x449/0x710 [ 2178.805480][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.805480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.805480][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.805480][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.805480][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.805480][ T903] [ 2178.807711][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2178.807711][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2178.807711][ T903] ipv6_find_idev+0x102/0x170 [ 2178.807711][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.807711][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.807711][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.807711][ T903] netlink_unicast+0x449/0x710 [ 2178.807711][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.807711][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.807711][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.807711][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.807711][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.807711][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.807711][ T903] [ 2178.809413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2178.809413][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2178.809413][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2178.809413][ T903] ipv6_find_idev+0x102/0x170 [ 2178.809413][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.809413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.809413][ T903] netlink_rcv_skb+0x130/0x360 [ 2178.809413][ T903] netlink_unicast+0x449/0x710 [ 2178.809413][ T903] netlink_sendmsg+0x723/0xbe0 [ 2178.809413][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2178.809413][ T903] ___sys_sendmsg+0xee/0x170 [ 2178.809413][ T903] __sys_sendmsg+0xcd/0x170 [ 2178.809413][ T903] do_syscall_64+0xc6/0x1e0 [ 2178.809413][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.809413][ T903] [ 2189.053798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2189.054306][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2189.054306][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2189.054306][ T903] ip6_validate_gw+0x3eb/0x790 [ 2189.054306][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2189.054306][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2189.054306][ T903] ip6_route_add+0x1c/0x140 [ 2189.054306][ T903] inet6_rtm_newroute+0x104/0x110 [ 2189.054306][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.054306][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.054306][ T903] netlink_unicast+0x449/0x710 [ 2189.054306][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.054306][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.054306][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.054306][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.054306][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.054306][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.054306][ T903] [ 2189.056423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2189.056423][ T903] netdev_get_by_index+0x5e/0x80 [ 2189.056423][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2189.056423][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2189.056423][ T903] ip6_route_add+0x1c/0x140 [ 2189.056423][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2189.056423][ T903] inet6_addr_add+0x4f8/0xa40 [ 2189.056423][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.056423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.056423][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.056423][ T903] netlink_unicast+0x449/0x710 [ 2189.056423][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.056423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.056423][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.056423][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.056423][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.056423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.056423][ T903] [ 2189.058633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2189.058633][ T903] netdev_get_by_index+0x5e/0x80 [ 2189.058633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2189.058633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2189.058633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2189.058633][ T903] ipv6_add_addr+0x411/0x2000 [ 2189.058633][ T903] inet6_addr_add+0x30e/0xa40 [ 2189.058633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.058633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.058633][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.058633][ T903] netlink_unicast+0x449/0x710 [ 2189.058633][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.058633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.058633][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.058633][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.058633][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.058633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.058633][ T903] [ 2189.060836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2189.060836][ T903] netdev_get_by_index+0x5e/0x80 [ 2189.060836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2189.060836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2189.060836][ T903] ip6_route_add+0x1c/0x140 [ 2189.060836][ T903] addrconf_add_mroute+0x129/0x180 [ 2189.060836][ T903] addrconf_add_dev+0xe2/0x170 [ 2189.060836][ T903] inet6_addr_add+0x12f/0xa40 [ 2189.060836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.060836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.060836][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.060836][ T903] netlink_unicast+0x449/0x710 [ 2189.060836][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.060836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.060836][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.060836][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.060836][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.060836][ T903] [ 2189.063018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2189.063018][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2189.063018][ T903] ipv6_find_idev+0x102/0x170 [ 2189.063018][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2189.063018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.063018][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.063018][ T903] netlink_unicast+0x449/0x710 [ 2189.063018][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.063018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.063018][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.063018][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.063018][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.063018][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.063018][ T903] [ 2189.064716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2189.064716][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2189.064716][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2189.064716][ T903] ipv6_find_idev+0x102/0x170 [ 2189.064716][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2189.064716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.064716][ T903] netlink_rcv_skb+0x130/0x360 [ 2189.064716][ T903] netlink_unicast+0x449/0x710 [ 2189.064716][ T903] netlink_sendmsg+0x723/0xbe0 [ 2189.064716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2189.064716][ T903] ___sys_sendmsg+0xee/0x170 [ 2189.064716][ T903] __sys_sendmsg+0xcd/0x170 [ 2189.064716][ T903] do_syscall_64+0xc6/0x1e0 [ 2189.064716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.064716][ T903] [ 2199.309866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2199.310981][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2199.310981][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2199.310981][ T903] ip6_validate_gw+0x3eb/0x790 [ 2199.310981][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2199.310981][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2199.310981][ T903] ip6_route_add+0x1c/0x140 [ 2199.310981][ T903] inet6_rtm_newroute+0x104/0x110 [ 2199.310981][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.310981][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.310981][ T903] netlink_unicast+0x449/0x710 [ 2199.310981][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.310981][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.310981][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.310981][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.310981][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.310981][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.310981][ T903] [ 2199.313081][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2199.313081][ T903] netdev_get_by_index+0x5e/0x80 [ 2199.313081][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2199.313081][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2199.313081][ T903] ip6_route_add+0x1c/0x140 [ 2199.313081][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2199.313081][ T903] inet6_addr_add+0x4f8/0xa40 [ 2199.313081][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.313081][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.313081][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.313081][ T903] netlink_unicast+0x449/0x710 [ 2199.313081][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.313081][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.313081][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.313081][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.313081][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.313081][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.313081][ T903] [ 2199.315220][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2199.315220][ T903] netdev_get_by_index+0x5e/0x80 [ 2199.315220][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2199.315220][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2199.315220][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2199.315220][ T903] ipv6_add_addr+0x411/0x2000 [ 2199.315220][ T903] inet6_addr_add+0x30e/0xa40 [ 2199.315220][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.315220][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.315220][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.315220][ T903] netlink_unicast+0x449/0x710 [ 2199.315220][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.315220][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.315220][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.315220][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.315220][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.315220][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.315220][ T903] [ 2199.317398][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2199.317398][ T903] netdev_get_by_index+0x5e/0x80 [ 2199.317398][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2199.317398][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2199.317398][ T903] ip6_route_add+0x1c/0x140 [ 2199.317398][ T903] addrconf_add_mroute+0x129/0x180 [ 2199.317398][ T903] addrconf_add_dev+0xe2/0x170 [ 2199.317398][ T903] inet6_addr_add+0x12f/0xa40 [ 2199.317398][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.317398][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.317398][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.317398][ T903] netlink_unicast+0x449/0x710 [ 2199.317398][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.317398][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.317398][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.317398][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.317398][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.317398][ T903] [ 2199.319504][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2199.319504][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2199.319504][ T903] ipv6_find_idev+0x102/0x170 [ 2199.319504][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.319504][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.319504][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.319504][ T903] netlink_unicast+0x449/0x710 [ 2199.319504][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.319504][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.319504][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.319504][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.319504][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.319504][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.319504][ T903] [ 2199.321174][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2199.321174][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2199.321174][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2199.321174][ T903] ipv6_find_idev+0x102/0x170 [ 2199.321174][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.321174][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.321174][ T903] netlink_rcv_skb+0x130/0x360 [ 2199.321174][ T903] netlink_unicast+0x449/0x710 [ 2199.321174][ T903] netlink_sendmsg+0x723/0xbe0 [ 2199.321174][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2199.321174][ T903] ___sys_sendmsg+0xee/0x170 [ 2199.321174][ T903] __sys_sendmsg+0xcd/0x170 [ 2199.321174][ T903] do_syscall_64+0xc6/0x1e0 [ 2199.321174][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.321174][ T903] [ 2209.541811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2209.542974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2209.542974][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2209.542974][ T903] ip6_validate_gw+0x3eb/0x790 [ 2209.542974][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2209.542974][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2209.542974][ T903] ip6_route_add+0x1c/0x140 [ 2209.542974][ T903] inet6_rtm_newroute+0x104/0x110 [ 2209.542974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.542974][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.542974][ T903] netlink_unicast+0x449/0x710 [ 2209.542974][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.542974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.542974][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.542974][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.542974][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.542974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.542974][ T903] [ 2209.545146][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2209.545146][ T903] netdev_get_by_index+0x5e/0x80 [ 2209.545146][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2209.545146][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2209.545146][ T903] ip6_route_add+0x1c/0x140 [ 2209.545146][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2209.545146][ T903] inet6_addr_add+0x4f8/0xa40 [ 2209.545146][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.545146][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.545146][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.545146][ T903] netlink_unicast+0x449/0x710 [ 2209.545146][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.545146][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.545146][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.545146][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.545146][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.545146][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.545146][ T903] [ 2209.547351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2209.547351][ T903] netdev_get_by_index+0x5e/0x80 [ 2209.547351][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2209.547351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2209.547351][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2209.547351][ T903] ipv6_add_addr+0x411/0x2000 [ 2209.547351][ T903] inet6_addr_add+0x30e/0xa40 [ 2209.547351][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.547351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.547351][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.547351][ T903] netlink_unicast+0x449/0x710 [ 2209.547351][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.547351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.547351][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.547351][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.547351][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.547351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.547351][ T903] [ 2209.549551][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2209.549551][ T903] netdev_get_by_index+0x5e/0x80 [ 2209.549551][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2209.549551][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2209.549551][ T903] ip6_route_add+0x1c/0x140 [ 2209.549551][ T903] addrconf_add_mroute+0x129/0x180 [ 2209.549551][ T903] addrconf_add_dev+0xe2/0x170 [ 2209.549551][ T903] inet6_addr_add+0x12f/0xa40 [ 2209.549551][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.549551][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.549551][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.549551][ T903] netlink_unicast+0x449/0x710 [ 2209.549551][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.549551][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.549551][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.549551][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.549551][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.549551][ T903] [ 2209.551742][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2209.551742][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2209.551742][ T903] ipv6_find_idev+0x102/0x170 [ 2209.551742][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.551742][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.551742][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.551742][ T903] netlink_unicast+0x449/0x710 [ 2209.551742][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.551742][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.551742][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.551742][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.551742][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.551742][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.551742][ T903] [ 2209.553435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2209.553435][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2209.553435][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2209.553435][ T903] ipv6_find_idev+0x102/0x170 [ 2209.553435][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.553435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.553435][ T903] netlink_rcv_skb+0x130/0x360 [ 2209.553435][ T903] netlink_unicast+0x449/0x710 [ 2209.553435][ T903] netlink_sendmsg+0x723/0xbe0 [ 2209.553435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2209.553435][ T903] ___sys_sendmsg+0xee/0x170 [ 2209.553435][ T903] __sys_sendmsg+0xcd/0x170 [ 2209.553435][ T903] do_syscall_64+0xc6/0x1e0 [ 2209.553435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.553435][ T903] [ 2219.797877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2219.798984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2219.798984][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2219.798984][ T903] ip6_validate_gw+0x3eb/0x790 [ 2219.798984][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2219.798984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2219.798984][ T903] ip6_route_add+0x1c/0x140 [ 2219.798984][ T903] inet6_rtm_newroute+0x104/0x110 [ 2219.798984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.798984][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.798984][ T903] netlink_unicast+0x449/0x710 [ 2219.798984][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.798984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.798984][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.798984][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.798984][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.798984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.798984][ T903] [ 2219.801180][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2219.801180][ T903] netdev_get_by_index+0x5e/0x80 [ 2219.801180][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2219.801180][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2219.801180][ T903] ip6_route_add+0x1c/0x140 [ 2219.801180][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2219.801180][ T903] inet6_addr_add+0x4f8/0xa40 [ 2219.801180][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.801180][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.801180][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.801180][ T903] netlink_unicast+0x449/0x710 [ 2219.801180][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.801180][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.801180][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.801180][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.801180][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.801180][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.801180][ T903] [ 2219.803359][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2219.803359][ T903] netdev_get_by_index+0x5e/0x80 [ 2219.803359][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2219.803359][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2219.803359][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2219.803359][ T903] ipv6_add_addr+0x411/0x2000 [ 2219.803359][ T903] inet6_addr_add+0x30e/0xa40 [ 2219.803359][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.803359][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.803359][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.803359][ T903] netlink_unicast+0x449/0x710 [ 2219.803359][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.803359][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.803359][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.803359][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.803359][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.803359][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.803359][ T903] [ 2219.805496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2219.805496][ T903] netdev_get_by_index+0x5e/0x80 [ 2219.805496][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2219.805496][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2219.805496][ T903] ip6_route_add+0x1c/0x140 [ 2219.805496][ T903] addrconf_add_mroute+0x129/0x180 [ 2219.805496][ T903] addrconf_add_dev+0xe2/0x170 [ 2219.805496][ T903] inet6_addr_add+0x12f/0xa40 [ 2219.805496][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.805496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.805496][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.805496][ T903] netlink_unicast+0x449/0x710 [ 2219.805496][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.805496][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.805496][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.805496][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.805496][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.805496][ T903] [ 2219.807621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2219.807621][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2219.807621][ T903] ipv6_find_idev+0x102/0x170 [ 2219.807621][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.807621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.807621][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.807621][ T903] netlink_unicast+0x449/0x710 [ 2219.807621][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.807621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.807621][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.807621][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.807621][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.807621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.807621][ T903] [ 2219.809300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2219.809300][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2219.809300][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2219.809300][ T903] ipv6_find_idev+0x102/0x170 [ 2219.809300][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.809300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.809300][ T903] netlink_rcv_skb+0x130/0x360 [ 2219.809300][ T903] netlink_unicast+0x449/0x710 [ 2219.809300][ T903] netlink_sendmsg+0x723/0xbe0 [ 2219.809300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2219.809300][ T903] ___sys_sendmsg+0xee/0x170 [ 2219.809300][ T903] __sys_sendmsg+0xcd/0x170 [ 2219.809300][ T903] do_syscall_64+0xc6/0x1e0 [ 2219.809300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.809300][ T903] [ 2230.053862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2230.055013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2230.055013][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2230.055013][ T903] ip6_validate_gw+0x3eb/0x790 [ 2230.055013][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2230.055013][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2230.055013][ T903] ip6_route_add+0x1c/0x140 [ 2230.055013][ T903] inet6_rtm_newroute+0x104/0x110 [ 2230.055013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.055013][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.055013][ T903] netlink_unicast+0x449/0x710 [ 2230.055013][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.055013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.055013][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.055013][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.055013][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.055013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2230.055013][ T903] [ 2230.057096][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2230.057096][ T903] netdev_get_by_index+0x5e/0x80 [ 2230.057096][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2230.057096][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2230.057096][ T903] ip6_route_add+0x1c/0x140 [ 2230.057096][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2230.057096][ T903] inet6_addr_add+0x4f8/0xa40 [ 2230.057096][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2230.057096][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.057096][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.057096][ T903] netlink_unicast+0x449/0x710 [ 2230.057096][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.057096][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.057096][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.057096][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.057096][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.057096][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2230.057096][ T903] [ 2230.059252][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2230.059252][ T903] netdev_get_by_index+0x5e/0x80 [ 2230.059252][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2230.059252][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2230.059252][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2230.059252][ T903] ipv6_add_addr+0x411/0x2000 [ 2230.059252][ T903] inet6_addr_add+0x30e/0xa40 [ 2230.059252][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2230.059252][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.059252][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.059252][ T903] netlink_unicast+0x449/0x710 [ 2230.059252][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.059252][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.059252][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.059252][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.059252][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.059252][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2230.059252][ T903] [ 2230.061518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2230.061518][ T903] netdev_get_by_index+0x5e/0x80 [ 2230.061518][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2230.061518][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2230.061518][ T903] ip6_route_add+0x1c/0x140 [ 2230.061518][ T903] addrconf_add_mroute+0x129/0x180 [ 2230.061518][ T903] addrconf_add_dev+0xe2/0x170 [ 2230.061518][ T903] inet6_addr_add+0x12f/0xa40 [ 2230.061518][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2230.061518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.061518][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.061518][ T903] netlink_unicast+0x449/0x710 [ 2230.061518][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.061518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.061518][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.061518][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.061518][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.061518][ T903] [ 2230.063704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2230.063704][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2230.063704][ T903] ipv6_find_idev+0x102/0x170 [ 2230.063704][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2230.063704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.063704][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.063704][ T903] netlink_unicast+0x449/0x710 [ 2230.063704][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.063704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.063704][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.063704][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.063704][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.063704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2230.063704][ T903] [ 2230.065382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2230.065382][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2230.065382][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2230.065382][ T903] ipv6_find_idev+0x102/0x170 [ 2230.065382][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2230.065382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2230.065382][ T903] netlink_rcv_skb+0x130/0x360 [ 2230.065382][ T903] netlink_unicast+0x449/0x710 [ 2230.065382][ T903] netlink_sendmsg+0x723/0xbe0 [ 2230.065382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2230.065382][ T903] ___sys_sendmsg+0xee/0x170 [ 2230.065382][ T903] __sys_sendmsg+0xcd/0x170 [ 2230.065382][ T903] do_syscall_64+0xc6/0x1e0 [ 2230.065382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2230.065382][ T903] [ 2240.309798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2240.310297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2240.310297][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2240.310297][ T903] ip6_validate_gw+0x3eb/0x790 [ 2240.310297][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2240.310297][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2240.310297][ T903] ip6_route_add+0x1c/0x140 [ 2240.310297][ T903] inet6_rtm_newroute+0x104/0x110 [ 2240.310297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.310297][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.310297][ T903] netlink_unicast+0x449/0x710 [ 2240.310297][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.310297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.310297][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.310297][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.310297][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.310297][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.310297][ T903] [ 2240.312388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2240.312388][ T903] netdev_get_by_index+0x5e/0x80 [ 2240.312388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2240.312388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2240.312388][ T903] ip6_route_add+0x1c/0x140 [ 2240.312388][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2240.312388][ T903] inet6_addr_add+0x4f8/0xa40 [ 2240.312388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.312388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.312388][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.312388][ T903] netlink_unicast+0x449/0x710 [ 2240.312388][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.312388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.312388][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.312388][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.312388][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.312388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.312388][ T903] [ 2240.314613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2240.314613][ T903] netdev_get_by_index+0x5e/0x80 [ 2240.314613][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2240.314613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2240.314613][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2240.314613][ T903] ipv6_add_addr+0x411/0x2000 [ 2240.314613][ T903] inet6_addr_add+0x30e/0xa40 [ 2240.314613][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.314613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.314613][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.314613][ T903] netlink_unicast+0x449/0x710 [ 2240.314613][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.314613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.314613][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.314613][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.314613][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.314613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.314613][ T903] [ 2240.316814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2240.316814][ T903] netdev_get_by_index+0x5e/0x80 [ 2240.316814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2240.316814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2240.316814][ T903] ip6_route_add+0x1c/0x140 [ 2240.316814][ T903] addrconf_add_mroute+0x129/0x180 [ 2240.316814][ T903] addrconf_add_dev+0xe2/0x170 [ 2240.316814][ T903] inet6_addr_add+0x12f/0xa40 [ 2240.316814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2240.316814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.316814][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.316814][ T903] netlink_unicast+0x449/0x710 [ 2240.316814][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.316814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.316814][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.316814][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.316814][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.316814][ T903] [ 2240.318975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2240.318975][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2240.318975][ T903] ipv6_find_idev+0x102/0x170 [ 2240.318975][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.318975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.318975][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.318975][ T903] netlink_unicast+0x449/0x710 [ 2240.318975][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.318975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.318975][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.318975][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.318975][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.318975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.318975][ T903] [ 2240.320664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2240.320664][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2240.320664][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2240.320664][ T903] ipv6_find_idev+0x102/0x170 [ 2240.320664][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2240.320664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2240.320664][ T903] netlink_rcv_skb+0x130/0x360 [ 2240.320664][ T903] netlink_unicast+0x449/0x710 [ 2240.320664][ T903] netlink_sendmsg+0x723/0xbe0 [ 2240.320664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2240.320664][ T903] ___sys_sendmsg+0xee/0x170 [ 2240.320664][ T903] __sys_sendmsg+0xcd/0x170 [ 2240.320664][ T903] do_syscall_64+0xc6/0x1e0 [ 2240.320664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2240.320664][ T903] [ 2250.557871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2250.558414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2250.558414][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2250.558414][ T903] ip6_validate_gw+0x3eb/0x790 [ 2250.558414][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2250.558414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2250.558414][ T903] ip6_route_add+0x1c/0x140 [ 2250.558414][ T903] inet6_rtm_newroute+0x104/0x110 [ 2250.558414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.558414][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.558414][ T903] netlink_unicast+0x449/0x710 [ 2250.558414][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.558414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.558414][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.558414][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.558414][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.558414][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.558414][ T903] [ 2250.560499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2250.560499][ T903] netdev_get_by_index+0x5e/0x80 [ 2250.560499][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2250.560499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2250.560499][ T903] ip6_route_add+0x1c/0x140 [ 2250.560499][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2250.560499][ T903] inet6_addr_add+0x4f8/0xa40 [ 2250.560499][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.560499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.560499][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.560499][ T903] netlink_unicast+0x449/0x710 [ 2250.560499][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.560499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.560499][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.560499][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.560499][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.560499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.560499][ T903] [ 2250.562736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2250.562736][ T903] netdev_get_by_index+0x5e/0x80 [ 2250.562736][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2250.562736][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2250.562736][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2250.562736][ T903] ipv6_add_addr+0x411/0x2000 [ 2250.562736][ T903] inet6_addr_add+0x30e/0xa40 [ 2250.562736][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.562736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.562736][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.562736][ T903] netlink_unicast+0x449/0x710 [ 2250.562736][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.562736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.562736][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.562736][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.562736][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.562736][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.562736][ T903] [ 2250.564910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2250.564910][ T903] netdev_get_by_index+0x5e/0x80 [ 2250.564910][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2250.564910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2250.564910][ T903] ip6_route_add+0x1c/0x140 [ 2250.564910][ T903] addrconf_add_mroute+0x129/0x180 [ 2250.564910][ T903] addrconf_add_dev+0xe2/0x170 [ 2250.564910][ T903] inet6_addr_add+0x12f/0xa40 [ 2250.564910][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.564910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.564910][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.564910][ T903] netlink_unicast+0x449/0x710 [ 2250.564910][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.564910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.564910][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.564910][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.564910][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.564910][ T903] [ 2250.567070][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2250.567070][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2250.567070][ T903] ipv6_find_idev+0x102/0x170 [ 2250.567070][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.567070][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.567070][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.567070][ T903] netlink_unicast+0x449/0x710 [ 2250.567070][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.567070][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.567070][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.567070][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.567070][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.567070][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.567070][ T903] [ 2250.568732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2250.568732][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2250.568732][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2250.568732][ T903] ipv6_find_idev+0x102/0x170 [ 2250.568732][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.568732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.568732][ T903] netlink_rcv_skb+0x130/0x360 [ 2250.568732][ T903] netlink_unicast+0x449/0x710 [ 2250.568732][ T903] netlink_sendmsg+0x723/0xbe0 [ 2250.568732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2250.568732][ T903] ___sys_sendmsg+0xee/0x170 [ 2250.568732][ T903] __sys_sendmsg+0xcd/0x170 [ 2250.568732][ T903] do_syscall_64+0xc6/0x1e0 [ 2250.568732][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.568732][ T903] [ 2260.805837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2260.806335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2260.806335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2260.806335][ T903] ip6_validate_gw+0x3eb/0x790 [ 2260.806335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2260.806335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2260.806335][ T903] ip6_route_add+0x1c/0x140 [ 2260.806335][ T903] inet6_rtm_newroute+0x104/0x110 [ 2260.806335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.806335][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.806335][ T903] netlink_unicast+0x449/0x710 [ 2260.806335][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.806335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.806335][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.806335][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.806335][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.806335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.806335][ T903] [ 2260.808449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2260.808449][ T903] netdev_get_by_index+0x5e/0x80 [ 2260.808449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2260.808449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2260.808449][ T903] ip6_route_add+0x1c/0x140 [ 2260.808449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2260.808449][ T903] inet6_addr_add+0x4f8/0xa40 [ 2260.808449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.808449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.808449][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.808449][ T903] netlink_unicast+0x449/0x710 [ 2260.808449][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.808449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.808449][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.808449][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.808449][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.808449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.808449][ T903] [ 2260.810652][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2260.810652][ T903] netdev_get_by_index+0x5e/0x80 [ 2260.810652][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2260.810652][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2260.810652][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2260.810652][ T903] ipv6_add_addr+0x411/0x2000 [ 2260.810652][ T903] inet6_addr_add+0x30e/0xa40 [ 2260.810652][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.810652][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.810652][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.810652][ T903] netlink_unicast+0x449/0x710 [ 2260.810652][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.810652][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.810652][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.810652][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.810652][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.810652][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.810652][ T903] [ 2260.812865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2260.812865][ T903] netdev_get_by_index+0x5e/0x80 [ 2260.812865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2260.812865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2260.812865][ T903] ip6_route_add+0x1c/0x140 [ 2260.812865][ T903] addrconf_add_mroute+0x129/0x180 [ 2260.812865][ T903] addrconf_add_dev+0xe2/0x170 [ 2260.812865][ T903] inet6_addr_add+0x12f/0xa40 [ 2260.812865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.812865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.812865][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.812865][ T903] netlink_unicast+0x449/0x710 [ 2260.812865][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.812865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.812865][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.812865][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.812865][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.812865][ T903] [ 2260.815011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2260.815011][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2260.815011][ T903] ipv6_find_idev+0x102/0x170 [ 2260.815011][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.815011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.815011][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.815011][ T903] netlink_unicast+0x449/0x710 [ 2260.815011][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.815011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.815011][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.815011][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.815011][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.815011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.815011][ T903] [ 2260.816708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2260.816708][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2260.816708][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2260.816708][ T903] ipv6_find_idev+0x102/0x170 [ 2260.816708][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.816708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.816708][ T903] netlink_rcv_skb+0x130/0x360 [ 2260.816708][ T903] netlink_unicast+0x449/0x710 [ 2260.816708][ T903] netlink_sendmsg+0x723/0xbe0 [ 2260.816708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2260.816708][ T903] ___sys_sendmsg+0xee/0x170 [ 2260.816708][ T903] __sys_sendmsg+0xcd/0x170 [ 2260.816708][ T903] do_syscall_64+0xc6/0x1e0 [ 2260.816708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.816708][ T903] [ 2271.053865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2271.054448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2271.054448][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2271.054448][ T903] ip6_validate_gw+0x3eb/0x790 [ 2271.054448][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2271.054448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2271.054448][ T903] ip6_route_add+0x1c/0x140 [ 2271.054448][ T903] inet6_rtm_newroute+0x104/0x110 [ 2271.054448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.054448][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.054448][ T903] netlink_unicast+0x449/0x710 [ 2271.054448][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.054448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.054448][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.054448][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.054448][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.054448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2271.054448][ T903] [ 2271.056506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2271.056506][ T903] netdev_get_by_index+0x5e/0x80 [ 2271.056506][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2271.056506][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2271.056506][ T903] ip6_route_add+0x1c/0x140 [ 2271.056506][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2271.056506][ T903] inet6_addr_add+0x4f8/0xa40 [ 2271.056506][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2271.056506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.056506][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.056506][ T903] netlink_unicast+0x449/0x710 [ 2271.056506][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.056506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.056506][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.056506][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.056506][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.056506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2271.056506][ T903] [ 2271.058794][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2271.058794][ T903] netdev_get_by_index+0x5e/0x80 [ 2271.058794][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2271.058794][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2271.058794][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2271.058794][ T903] ipv6_add_addr+0x411/0x2000 [ 2271.058794][ T903] inet6_addr_add+0x30e/0xa40 [ 2271.058794][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2271.058794][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.058794][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.058794][ T903] netlink_unicast+0x449/0x710 [ 2271.058794][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.058794][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.058794][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.058794][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.058794][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.058794][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2271.058794][ T903] [ 2271.060950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2271.060950][ T903] netdev_get_by_index+0x5e/0x80 [ 2271.060950][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2271.060950][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2271.060950][ T903] ip6_route_add+0x1c/0x140 [ 2271.060950][ T903] addrconf_add_mroute+0x129/0x180 [ 2271.060950][ T903] addrconf_add_dev+0xe2/0x170 [ 2271.060950][ T903] inet6_addr_add+0x12f/0xa40 [ 2271.060950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2271.060950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.060950][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.060950][ T903] netlink_unicast+0x449/0x710 [ 2271.060950][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.060950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.060950][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.060950][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.060950][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.060950][ T903] [ 2271.063241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2271.063241][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2271.063241][ T903] ipv6_find_idev+0x102/0x170 [ 2271.063241][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2271.063241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.063241][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.063241][ T903] netlink_unicast+0x449/0x710 [ 2271.063241][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.063241][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.063241][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.063241][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.063241][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.063241][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2271.063241][ T903] [ 2271.064964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2271.064964][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2271.064964][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2271.064964][ T903] ipv6_find_idev+0x102/0x170 [ 2271.064964][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2271.064964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2271.064964][ T903] netlink_rcv_skb+0x130/0x360 [ 2271.064964][ T903] netlink_unicast+0x449/0x710 [ 2271.064964][ T903] netlink_sendmsg+0x723/0xbe0 [ 2271.064964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2271.064964][ T903] ___sys_sendmsg+0xee/0x170 [ 2271.064964][ T903] __sys_sendmsg+0xcd/0x170 [ 2271.064964][ T903] do_syscall_64+0xc6/0x1e0 [ 2271.064964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2271.064964][ T903] [ 2281.309870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2281.310997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2281.310997][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2281.310997][ T903] ip6_validate_gw+0x3eb/0x790 [ 2281.310997][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2281.310997][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2281.310997][ T903] ip6_route_add+0x1c/0x140 [ 2281.310997][ T903] inet6_rtm_newroute+0x104/0x110 [ 2281.310997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.310997][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.310997][ T903] netlink_unicast+0x449/0x710 [ 2281.310997][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.310997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.310997][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.310997][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.310997][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.310997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.310997][ T903] [ 2281.313148][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2281.313148][ T903] netdev_get_by_index+0x5e/0x80 [ 2281.313148][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2281.313148][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2281.313148][ T903] ip6_route_add+0x1c/0x140 [ 2281.313148][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2281.313148][ T903] inet6_addr_add+0x4f8/0xa40 [ 2281.313148][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.313148][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.313148][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.313148][ T903] netlink_unicast+0x449/0x710 [ 2281.313148][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.313148][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.313148][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.313148][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.313148][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.313148][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.313148][ T903] [ 2281.315324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2281.315324][ T903] netdev_get_by_index+0x5e/0x80 [ 2281.315324][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2281.315324][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2281.315324][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2281.315324][ T903] ipv6_add_addr+0x411/0x2000 [ 2281.315324][ T903] inet6_addr_add+0x30e/0xa40 [ 2281.315324][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.315324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.315324][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.315324][ T903] netlink_unicast+0x449/0x710 [ 2281.315324][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.315324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.315324][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.315324][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.315324][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.315324][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.315324][ T903] [ 2281.317507][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2281.317507][ T903] netdev_get_by_index+0x5e/0x80 [ 2281.317507][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2281.317507][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2281.317507][ T903] ip6_route_add+0x1c/0x140 [ 2281.317507][ T903] addrconf_add_mroute+0x129/0x180 [ 2281.317507][ T903] addrconf_add_dev+0xe2/0x170 [ 2281.317507][ T903] inet6_addr_add+0x12f/0xa40 [ 2281.317507][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2281.317507][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.317507][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.317507][ T903] netlink_unicast+0x449/0x710 [ 2281.317507][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.317507][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.317507][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.317507][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.317507][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.317507][ T903] [ 2281.319648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2281.319648][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2281.319648][ T903] ipv6_find_idev+0x102/0x170 [ 2281.319648][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.319648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.319648][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.319648][ T903] netlink_unicast+0x449/0x710 [ 2281.319648][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.319648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.319648][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.319648][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.319648][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.319648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.319648][ T903] [ 2281.321328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2281.321328][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2281.321328][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2281.321328][ T903] ipv6_find_idev+0x102/0x170 [ 2281.321328][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2281.321328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2281.321328][ T903] netlink_rcv_skb+0x130/0x360 [ 2281.321328][ T903] netlink_unicast+0x449/0x710 [ 2281.321328][ T903] netlink_sendmsg+0x723/0xbe0 [ 2281.321328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2281.321328][ T903] ___sys_sendmsg+0xee/0x170 [ 2281.321328][ T903] __sys_sendmsg+0xcd/0x170 [ 2281.321328][ T903] do_syscall_64+0xc6/0x1e0 [ 2281.321328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2281.321328][ T903] [ 2291.565866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2291.566444][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2291.566444][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2291.566444][ T903] ip6_validate_gw+0x3eb/0x790 [ 2291.566444][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2291.566444][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2291.566444][ T903] ip6_route_add+0x1c/0x140 [ 2291.566444][ T903] inet6_rtm_newroute+0x104/0x110 [ 2291.566444][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.566444][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.566444][ T903] netlink_unicast+0x449/0x710 [ 2291.566444][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.566444][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.566444][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.566444][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.566444][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.566444][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.566444][ T903] [ 2291.568495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2291.568495][ T903] netdev_get_by_index+0x5e/0x80 [ 2291.568495][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2291.568495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2291.568495][ T903] ip6_route_add+0x1c/0x140 [ 2291.568495][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2291.568495][ T903] inet6_addr_add+0x4f8/0xa40 [ 2291.568495][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.568495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.568495][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.568495][ T903] netlink_unicast+0x449/0x710 [ 2291.568495][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.568495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.568495][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.568495][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.568495][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.568495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.568495][ T903] [ 2291.570747][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2291.570747][ T903] netdev_get_by_index+0x5e/0x80 [ 2291.570747][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2291.570747][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2291.570747][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2291.570747][ T903] ipv6_add_addr+0x411/0x2000 [ 2291.570747][ T903] inet6_addr_add+0x30e/0xa40 [ 2291.570747][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.570747][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.570747][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.570747][ T903] netlink_unicast+0x449/0x710 [ 2291.570747][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.570747][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.570747][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.570747][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.570747][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.570747][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.570747][ T903] [ 2291.572952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2291.572952][ T903] netdev_get_by_index+0x5e/0x80 [ 2291.572952][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2291.572952][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2291.572952][ T903] ip6_route_add+0x1c/0x140 [ 2291.572952][ T903] addrconf_add_mroute+0x129/0x180 [ 2291.572952][ T903] addrconf_add_dev+0xe2/0x170 [ 2291.572952][ T903] inet6_addr_add+0x12f/0xa40 [ 2291.572952][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2291.572952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.572952][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.572952][ T903] netlink_unicast+0x449/0x710 [ 2291.572952][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.572952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.572952][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.572952][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.572952][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.572952][ T903] [ 2291.575056][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2291.575056][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2291.575056][ T903] ipv6_find_idev+0x102/0x170 [ 2291.575056][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.575056][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.575056][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.575056][ T903] netlink_unicast+0x449/0x710 [ 2291.575056][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.575056][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.575056][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.575056][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.575056][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.575056][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.575056][ T903] [ 2291.576772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2291.576772][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2291.576772][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2291.576772][ T903] ipv6_find_idev+0x102/0x170 [ 2291.576772][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.576772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.576772][ T903] netlink_rcv_skb+0x130/0x360 [ 2291.576772][ T903] netlink_unicast+0x449/0x710 [ 2291.576772][ T903] netlink_sendmsg+0x723/0xbe0 [ 2291.576772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2291.576772][ T903] ___sys_sendmsg+0xee/0x170 [ 2291.576772][ T903] __sys_sendmsg+0xcd/0x170 [ 2291.576772][ T903] do_syscall_64+0xc6/0x1e0 [ 2291.576772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.576772][ T903] [ 2301.813862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2301.814489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2301.814489][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2301.814489][ T903] ip6_validate_gw+0x3eb/0x790 [ 2301.814489][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2301.814489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2301.814489][ T903] ip6_route_add+0x1c/0x140 [ 2301.814489][ T903] inet6_rtm_newroute+0x104/0x110 [ 2301.814489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.814489][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.814489][ T903] netlink_unicast+0x449/0x710 [ 2301.814489][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.814489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.814489][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.814489][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.814489][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.814489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.814489][ T903] [ 2301.816577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2301.816577][ T903] netdev_get_by_index+0x5e/0x80 [ 2301.816577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2301.816577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2301.816577][ T903] ip6_route_add+0x1c/0x140 [ 2301.816577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2301.816577][ T903] inet6_addr_add+0x4f8/0xa40 [ 2301.816577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.816577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.816577][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.816577][ T903] netlink_unicast+0x449/0x710 [ 2301.816577][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.816577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.816577][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.816577][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.816577][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.816577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.816577][ T903] [ 2301.818774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2301.818774][ T903] netdev_get_by_index+0x5e/0x80 [ 2301.818774][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2301.818774][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2301.818774][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2301.818774][ T903] ipv6_add_addr+0x411/0x2000 [ 2301.818774][ T903] inet6_addr_add+0x30e/0xa40 [ 2301.818774][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.818774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.818774][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.818774][ T903] netlink_unicast+0x449/0x710 [ 2301.818774][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.818774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.818774][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.818774][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.818774][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.818774][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.818774][ T903] [ 2301.820917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2301.820917][ T903] netdev_get_by_index+0x5e/0x80 [ 2301.820917][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2301.820917][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2301.820917][ T903] ip6_route_add+0x1c/0x140 [ 2301.820917][ T903] addrconf_add_mroute+0x129/0x180 [ 2301.820917][ T903] addrconf_add_dev+0xe2/0x170 [ 2301.820917][ T903] inet6_addr_add+0x12f/0xa40 [ 2301.820917][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.820917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.820917][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.820917][ T903] netlink_unicast+0x449/0x710 [ 2301.820917][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.820917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.820917][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.820917][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.820917][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.820917][ T903] [ 2301.823044][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2301.823044][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2301.823044][ T903] ipv6_find_idev+0x102/0x170 [ 2301.823044][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.823044][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.823044][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.823044][ T903] netlink_unicast+0x449/0x710 [ 2301.823044][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.823044][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.823044][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.823044][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.823044][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.823044][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.823044][ T903] [ 2301.824688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2301.824688][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2301.824688][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2301.824688][ T903] ipv6_find_idev+0x102/0x170 [ 2301.824688][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.824688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.824688][ T903] netlink_rcv_skb+0x130/0x360 [ 2301.824688][ T903] netlink_unicast+0x449/0x710 [ 2301.824688][ T903] netlink_sendmsg+0x723/0xbe0 [ 2301.824688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2301.824688][ T903] ___sys_sendmsg+0xee/0x170 [ 2301.824688][ T903] __sys_sendmsg+0xcd/0x170 [ 2301.824688][ T903] do_syscall_64+0xc6/0x1e0 [ 2301.824688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.824688][ T903] [ 2312.053869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2312.054389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2312.054389][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2312.054389][ T903] ip6_validate_gw+0x3eb/0x790 [ 2312.054389][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2312.054389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2312.054389][ T903] ip6_route_add+0x1c/0x140 [ 2312.054389][ T903] inet6_rtm_newroute+0x104/0x110 [ 2312.054389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.054389][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.054389][ T903] netlink_unicast+0x449/0x710 [ 2312.054389][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.054389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.054389][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.054389][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.054389][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.054389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.054389][ T903] [ 2312.056485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2312.056485][ T903] netdev_get_by_index+0x5e/0x80 [ 2312.056485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2312.056485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2312.056485][ T903] ip6_route_add+0x1c/0x140 [ 2312.056485][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2312.056485][ T903] inet6_addr_add+0x4f8/0xa40 [ 2312.056485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.056485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.056485][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.056485][ T903] netlink_unicast+0x449/0x710 [ 2312.056485][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.056485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.056485][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.056485][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.056485][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.056485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.056485][ T903] [ 2312.058674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2312.058674][ T903] netdev_get_by_index+0x5e/0x80 [ 2312.058674][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2312.058674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2312.058674][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2312.058674][ T903] ipv6_add_addr+0x411/0x2000 [ 2312.058674][ T903] inet6_addr_add+0x30e/0xa40 [ 2312.058674][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.058674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.058674][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.058674][ T903] netlink_unicast+0x449/0x710 [ 2312.058674][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.058674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.058674][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.058674][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.058674][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.058674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.058674][ T903] [ 2312.060815][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2312.060815][ T903] netdev_get_by_index+0x5e/0x80 [ 2312.060815][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2312.060815][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2312.060815][ T903] ip6_route_add+0x1c/0x140 [ 2312.060815][ T903] addrconf_add_mroute+0x129/0x180 [ 2312.060815][ T903] addrconf_add_dev+0xe2/0x170 [ 2312.060815][ T903] inet6_addr_add+0x12f/0xa40 [ 2312.060815][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.060815][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.060815][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.060815][ T903] netlink_unicast+0x449/0x710 [ 2312.060815][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.060815][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.060815][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.060815][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.060815][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.060815][ T903] [ 2312.062936][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2312.062936][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2312.062936][ T903] ipv6_find_idev+0x102/0x170 [ 2312.062936][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.062936][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.062936][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.062936][ T903] netlink_unicast+0x449/0x710 [ 2312.062936][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.062936][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.062936][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.062936][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.062936][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.062936][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.062936][ T903] [ 2312.064585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2312.064585][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2312.064585][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2312.064585][ T903] ipv6_find_idev+0x102/0x170 [ 2312.064585][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.064585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.064585][ T903] netlink_rcv_skb+0x130/0x360 [ 2312.064585][ T903] netlink_unicast+0x449/0x710 [ 2312.064585][ T903] netlink_sendmsg+0x723/0xbe0 [ 2312.064585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2312.064585][ T903] ___sys_sendmsg+0xee/0x170 [ 2312.064585][ T903] __sys_sendmsg+0xcd/0x170 [ 2312.064585][ T903] do_syscall_64+0xc6/0x1e0 [ 2312.064585][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.064585][ T903] [ 2322.309882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2322.310436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2322.310436][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2322.310436][ T903] ip6_validate_gw+0x3eb/0x790 [ 2322.310436][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2322.310436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2322.310436][ T903] ip6_route_add+0x1c/0x140 [ 2322.310436][ T903] inet6_rtm_newroute+0x104/0x110 [ 2322.310436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.310436][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.310436][ T903] netlink_unicast+0x449/0x710 [ 2322.310436][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.310436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.310436][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.310436][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.310436][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.310436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.310436][ T903] [ 2322.312537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2322.312537][ T903] netdev_get_by_index+0x5e/0x80 [ 2322.312537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2322.312537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2322.312537][ T903] ip6_route_add+0x1c/0x140 [ 2322.312537][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2322.312537][ T903] inet6_addr_add+0x4f8/0xa40 [ 2322.312537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.312537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.312537][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.312537][ T903] netlink_unicast+0x449/0x710 [ 2322.312537][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.312537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.312537][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.312537][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.312537][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.312537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.312537][ T903] [ 2322.314673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2322.314673][ T903] netdev_get_by_index+0x5e/0x80 [ 2322.314673][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2322.314673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2322.314673][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2322.314673][ T903] ipv6_add_addr+0x411/0x2000 [ 2322.314673][ T903] inet6_addr_add+0x30e/0xa40 [ 2322.314673][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.314673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.314673][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.314673][ T903] netlink_unicast+0x449/0x710 [ 2322.314673][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.314673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.314673][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.314673][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.314673][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.314673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.314673][ T903] [ 2322.316758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2322.316758][ T903] netdev_get_by_index+0x5e/0x80 [ 2322.316758][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2322.316758][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2322.316758][ T903] ip6_route_add+0x1c/0x140 [ 2322.316758][ T903] addrconf_add_mroute+0x129/0x180 [ 2322.316758][ T903] addrconf_add_dev+0xe2/0x170 [ 2322.316758][ T903] inet6_addr_add+0x12f/0xa40 [ 2322.316758][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2322.316758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.316758][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.316758][ T903] netlink_unicast+0x449/0x710 [ 2322.316758][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.316758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.316758][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.316758][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.316758][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.316758][ T903] [ 2322.318952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2322.318952][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2322.318952][ T903] ipv6_find_idev+0x102/0x170 [ 2322.318952][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.318952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.318952][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.318952][ T903] netlink_unicast+0x449/0x710 [ 2322.318952][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.318952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.318952][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.318952][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.318952][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.318952][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.318952][ T903] [ 2322.320544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2322.320544][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2322.320544][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2322.320544][ T903] ipv6_find_idev+0x102/0x170 [ 2322.320544][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2322.320544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2322.320544][ T903] netlink_rcv_skb+0x130/0x360 [ 2322.320544][ T903] netlink_unicast+0x449/0x710 [ 2322.320544][ T903] netlink_sendmsg+0x723/0xbe0 [ 2322.320544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2322.320544][ T903] ___sys_sendmsg+0xee/0x170 [ 2322.320544][ T903] __sys_sendmsg+0xcd/0x170 [ 2322.320544][ T903] do_syscall_64+0xc6/0x1e0 [ 2322.320544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2322.320544][ T903] [ 2332.573878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2332.574504][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2332.574504][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2332.574504][ T903] ip6_validate_gw+0x3eb/0x790 [ 2332.574504][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2332.574504][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2332.574504][ T903] ip6_route_add+0x1c/0x140 [ 2332.574504][ T903] inet6_rtm_newroute+0x104/0x110 [ 2332.574504][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.574504][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.574504][ T903] netlink_unicast+0x449/0x710 [ 2332.574504][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.574504][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.574504][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.574504][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.574504][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.574504][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.574504][ T903] [ 2332.576495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2332.576495][ T903] netdev_get_by_index+0x5e/0x80 [ 2332.576495][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2332.576495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2332.576495][ T903] ip6_route_add+0x1c/0x140 [ 2332.576495][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2332.576495][ T903] inet6_addr_add+0x4f8/0xa40 [ 2332.576495][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.576495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.576495][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.576495][ T903] netlink_unicast+0x449/0x710 [ 2332.576495][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.576495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.576495][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.576495][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.576495][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.576495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.576495][ T903] [ 2332.578670][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2332.578670][ T903] netdev_get_by_index+0x5e/0x80 [ 2332.578670][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2332.578670][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2332.578670][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2332.578670][ T903] ipv6_add_addr+0x411/0x2000 [ 2332.578670][ T903] inet6_addr_add+0x30e/0xa40 [ 2332.578670][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.578670][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.578670][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.578670][ T903] netlink_unicast+0x449/0x710 [ 2332.578670][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.578670][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.578670][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.578670][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.578670][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.578670][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.578670][ T903] [ 2332.580760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2332.580760][ T903] netdev_get_by_index+0x5e/0x80 [ 2332.580760][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2332.580760][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2332.580760][ T903] ip6_route_add+0x1c/0x140 [ 2332.580760][ T903] addrconf_add_mroute+0x129/0x180 [ 2332.580760][ T903] addrconf_add_dev+0xe2/0x170 [ 2332.580760][ T903] inet6_addr_add+0x12f/0xa40 [ 2332.580760][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2332.580760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.580760][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.580760][ T903] netlink_unicast+0x449/0x710 [ 2332.580760][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.580760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.580760][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.580760][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.580760][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.580760][ T903] [ 2332.582984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2332.582984][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2332.582984][ T903] ipv6_find_idev+0x102/0x170 [ 2332.582984][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.582984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.582984][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.582984][ T903] netlink_unicast+0x449/0x710 [ 2332.582984][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.582984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.582984][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.582984][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.582984][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.582984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.582984][ T903] [ 2332.584668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2332.584668][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2332.584668][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2332.584668][ T903] ipv6_find_idev+0x102/0x170 [ 2332.584668][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2332.584668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2332.584668][ T903] netlink_rcv_skb+0x130/0x360 [ 2332.584668][ T903] netlink_unicast+0x449/0x710 [ 2332.584668][ T903] netlink_sendmsg+0x723/0xbe0 [ 2332.584668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2332.584668][ T903] ___sys_sendmsg+0xee/0x170 [ 2332.584668][ T903] __sys_sendmsg+0xcd/0x170 [ 2332.584668][ T903] do_syscall_64+0xc6/0x1e0 [ 2332.584668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2332.584668][ T903] [ 2342.837810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2342.838314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2342.838314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2342.838314][ T903] ip6_validate_gw+0x3eb/0x790 [ 2342.838314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2342.838314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2342.838314][ T903] ip6_route_add+0x1c/0x140 [ 2342.838314][ T903] inet6_rtm_newroute+0x104/0x110 [ 2342.838314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.838314][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.838314][ T903] netlink_unicast+0x449/0x710 [ 2342.838314][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.838314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.838314][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.838314][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.838314][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.838314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.838314][ T903] [ 2342.840411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2342.840411][ T903] netdev_get_by_index+0x5e/0x80 [ 2342.840411][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2342.840411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2342.840411][ T903] ip6_route_add+0x1c/0x140 [ 2342.840411][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2342.840411][ T903] inet6_addr_add+0x4f8/0xa40 [ 2342.840411][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.840411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.840411][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.840411][ T903] netlink_unicast+0x449/0x710 [ 2342.840411][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.840411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.840411][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.840411][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.840411][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.840411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.840411][ T903] [ 2342.842639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2342.842639][ T903] netdev_get_by_index+0x5e/0x80 [ 2342.842639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2342.842639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2342.842639][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2342.842639][ T903] ipv6_add_addr+0x411/0x2000 [ 2342.842639][ T903] inet6_addr_add+0x30e/0xa40 [ 2342.842639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.842639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.842639][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.842639][ T903] netlink_unicast+0x449/0x710 [ 2342.842639][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.842639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.842639][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.842639][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.842639][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.842639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.842639][ T903] [ 2342.845253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2342.845253][ T903] netdev_get_by_index+0x5e/0x80 [ 2342.845253][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2342.845253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2342.845253][ T903] ip6_route_add+0x1c/0x140 [ 2342.845253][ T903] addrconf_add_mroute+0x129/0x180 [ 2342.845253][ T903] addrconf_add_dev+0xe2/0x170 [ 2342.845253][ T903] inet6_addr_add+0x12f/0xa40 [ 2342.845253][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2342.845253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.845253][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.845253][ T903] netlink_unicast+0x449/0x710 [ 2342.845253][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.845253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.845253][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.845253][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.845253][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.845253][ T903] [ 2342.847449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2342.847449][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2342.847449][ T903] ipv6_find_idev+0x102/0x170 [ 2342.847449][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.847449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.847449][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.847449][ T903] netlink_unicast+0x449/0x710 [ 2342.847449][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.847449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.847449][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.847449][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.847449][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.847449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.847449][ T903] [ 2342.849152][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2342.849152][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2342.849152][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2342.849152][ T903] ipv6_find_idev+0x102/0x170 [ 2342.849152][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2342.849152][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2342.849152][ T903] netlink_rcv_skb+0x130/0x360 [ 2342.849152][ T903] netlink_unicast+0x449/0x710 [ 2342.849152][ T903] netlink_sendmsg+0x723/0xbe0 [ 2342.849152][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2342.849152][ T903] ___sys_sendmsg+0xee/0x170 [ 2342.849152][ T903] __sys_sendmsg+0xcd/0x170 [ 2342.849152][ T903] do_syscall_64+0xc6/0x1e0 [ 2342.849152][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2342.849152][ T903] [ 2353.101890][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2353.102385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2353.102385][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2353.102385][ T903] ip6_validate_gw+0x3eb/0x790 [ 2353.102385][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2353.102385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2353.102385][ T903] ip6_route_add+0x1c/0x140 [ 2353.102385][ T903] inet6_rtm_newroute+0x104/0x110 [ 2353.102385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.102385][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.102385][ T903] netlink_unicast+0x449/0x710 [ 2353.102385][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.102385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.102385][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.102385][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.102385][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.102385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.102385][ T903] [ 2353.104511][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2353.104511][ T903] netdev_get_by_index+0x5e/0x80 [ 2353.104511][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2353.104511][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2353.104511][ T903] ip6_route_add+0x1c/0x140 [ 2353.104511][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2353.104511][ T903] inet6_addr_add+0x4f8/0xa40 [ 2353.104511][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.104511][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.104511][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.104511][ T903] netlink_unicast+0x449/0x710 [ 2353.104511][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.104511][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.104511][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.104511][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.104511][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.104511][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.104511][ T903] [ 2353.106654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2353.106654][ T903] netdev_get_by_index+0x5e/0x80 [ 2353.106654][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2353.106654][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2353.106654][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2353.106654][ T903] ipv6_add_addr+0x411/0x2000 [ 2353.106654][ T903] inet6_addr_add+0x30e/0xa40 [ 2353.106654][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.106654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.106654][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.106654][ T903] netlink_unicast+0x449/0x710 [ 2353.106654][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.106654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.106654][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.106654][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.106654][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.106654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.106654][ T903] [ 2353.108831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2353.108831][ T903] netdev_get_by_index+0x5e/0x80 [ 2353.108831][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2353.108831][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2353.108831][ T903] ip6_route_add+0x1c/0x140 [ 2353.108831][ T903] addrconf_add_mroute+0x129/0x180 [ 2353.108831][ T903] addrconf_add_dev+0xe2/0x170 [ 2353.108831][ T903] inet6_addr_add+0x12f/0xa40 [ 2353.108831][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.108831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.108831][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.108831][ T903] netlink_unicast+0x449/0x710 [ 2353.108831][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.108831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.108831][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.108831][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.108831][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.108831][ T903] [ 2353.110984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2353.110984][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2353.110984][ T903] ipv6_find_idev+0x102/0x170 [ 2353.110984][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.110984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.110984][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.110984][ T903] netlink_unicast+0x449/0x710 [ 2353.110984][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.110984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.110984][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.110984][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.110984][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.110984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.110984][ T903] [ 2353.112677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2353.112677][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2353.112677][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2353.112677][ T903] ipv6_find_idev+0x102/0x170 [ 2353.112677][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.112677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.112677][ T903] netlink_rcv_skb+0x130/0x360 [ 2353.112677][ T903] netlink_unicast+0x449/0x710 [ 2353.112677][ T903] netlink_sendmsg+0x723/0xbe0 [ 2353.112677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2353.112677][ T903] ___sys_sendmsg+0xee/0x170 [ 2353.112677][ T903] __sys_sendmsg+0xcd/0x170 [ 2353.112677][ T903] do_syscall_64+0xc6/0x1e0 [ 2353.112677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.112677][ T903] [ 2363.365878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2363.366410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2363.366410][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2363.366410][ T903] ip6_validate_gw+0x3eb/0x790 [ 2363.366410][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2363.366410][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2363.366410][ T903] ip6_route_add+0x1c/0x140 [ 2363.366410][ T903] inet6_rtm_newroute+0x104/0x110 [ 2363.366410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.366410][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.366410][ T903] netlink_unicast+0x449/0x710 [ 2363.366410][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.366410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.366410][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.366410][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.366410][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.366410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.366410][ T903] [ 2363.368454][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2363.368454][ T903] netdev_get_by_index+0x5e/0x80 [ 2363.368454][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2363.368454][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2363.368454][ T903] ip6_route_add+0x1c/0x140 [ 2363.368454][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2363.368454][ T903] inet6_addr_add+0x4f8/0xa40 [ 2363.368454][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.368454][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.368454][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.368454][ T903] netlink_unicast+0x449/0x710 [ 2363.368454][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.368454][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.368454][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.368454][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.368454][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.368454][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.368454][ T903] [ 2363.370704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2363.370704][ T903] netdev_get_by_index+0x5e/0x80 [ 2363.370704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2363.370704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2363.370704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2363.370704][ T903] ipv6_add_addr+0x411/0x2000 [ 2363.370704][ T903] inet6_addr_add+0x30e/0xa40 [ 2363.370704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.370704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.370704][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.370704][ T903] netlink_unicast+0x449/0x710 [ 2363.370704][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.370704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.370704][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.370704][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.370704][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.370704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.370704][ T903] [ 2363.373009][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2363.373009][ T903] netdev_get_by_index+0x5e/0x80 [ 2363.373009][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2363.373009][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2363.373009][ T903] ip6_route_add+0x1c/0x140 [ 2363.373009][ T903] addrconf_add_mroute+0x129/0x180 [ 2363.373009][ T903] addrconf_add_dev+0xe2/0x170 [ 2363.373009][ T903] inet6_addr_add+0x12f/0xa40 [ 2363.373009][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.373009][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.373009][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.373009][ T903] netlink_unicast+0x449/0x710 [ 2363.373009][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.373009][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.373009][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.373009][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.373009][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.373009][ T903] [ 2363.375260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2363.375260][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2363.375260][ T903] ipv6_find_idev+0x102/0x170 [ 2363.375260][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.375260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.375260][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.375260][ T903] netlink_unicast+0x449/0x710 [ 2363.375260][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.375260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.375260][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.375260][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.375260][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.375260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.375260][ T903] [ 2363.376976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2363.376976][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2363.376976][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2363.376976][ T903] ipv6_find_idev+0x102/0x170 [ 2363.376976][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.376976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.376976][ T903] netlink_rcv_skb+0x130/0x360 [ 2363.376976][ T903] netlink_unicast+0x449/0x710 [ 2363.376976][ T903] netlink_sendmsg+0x723/0xbe0 [ 2363.376976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2363.376976][ T903] ___sys_sendmsg+0xee/0x170 [ 2363.376976][ T903] __sys_sendmsg+0xcd/0x170 [ 2363.376976][ T903] do_syscall_64+0xc6/0x1e0 [ 2363.376976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.376976][ T903] [ 2373.629811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2373.630380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2373.630380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2373.630380][ T903] ip6_validate_gw+0x3eb/0x790 [ 2373.630380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2373.630380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2373.630380][ T903] ip6_route_add+0x1c/0x140 [ 2373.630380][ T903] inet6_rtm_newroute+0x104/0x110 [ 2373.630380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.630380][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.630380][ T903] netlink_unicast+0x449/0x710 [ 2373.630380][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.630380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.630380][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.630380][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.630380][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.630380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.630380][ T903] [ 2373.632531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2373.632531][ T903] netdev_get_by_index+0x5e/0x80 [ 2373.632531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2373.632531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2373.632531][ T903] ip6_route_add+0x1c/0x140 [ 2373.632531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2373.632531][ T903] inet6_addr_add+0x4f8/0xa40 [ 2373.632531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.632531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.632531][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.632531][ T903] netlink_unicast+0x449/0x710 [ 2373.632531][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.632531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.632531][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.632531][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.632531][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.632531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.632531][ T903] [ 2373.634743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2373.634743][ T903] netdev_get_by_index+0x5e/0x80 [ 2373.634743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2373.634743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2373.634743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2373.634743][ T903] ipv6_add_addr+0x411/0x2000 [ 2373.634743][ T903] inet6_addr_add+0x30e/0xa40 [ 2373.634743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.634743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.634743][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.634743][ T903] netlink_unicast+0x449/0x710 [ 2373.634743][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.634743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.634743][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.634743][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.634743][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.634743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.634743][ T903] [ 2373.636903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2373.636903][ T903] netdev_get_by_index+0x5e/0x80 [ 2373.636903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2373.636903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2373.636903][ T903] ip6_route_add+0x1c/0x140 [ 2373.636903][ T903] addrconf_add_mroute+0x129/0x180 [ 2373.636903][ T903] addrconf_add_dev+0xe2/0x170 [ 2373.636903][ T903] inet6_addr_add+0x12f/0xa40 [ 2373.636903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.636903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.636903][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.636903][ T903] netlink_unicast+0x449/0x710 [ 2373.636903][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.636903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.636903][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.636903][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.636903][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.636903][ T903] [ 2373.639034][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2373.639034][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2373.639034][ T903] ipv6_find_idev+0x102/0x170 [ 2373.639034][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.639034][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.639034][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.639034][ T903] netlink_unicast+0x449/0x710 [ 2373.639034][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.639034][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.639034][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.639034][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.639034][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.639034][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.639034][ T903] [ 2373.640741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2373.640741][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2373.640741][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2373.640741][ T903] ipv6_find_idev+0x102/0x170 [ 2373.640741][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.640741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.640741][ T903] netlink_rcv_skb+0x130/0x360 [ 2373.640741][ T903] netlink_unicast+0x449/0x710 [ 2373.640741][ T903] netlink_sendmsg+0x723/0xbe0 [ 2373.640741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2373.640741][ T903] ___sys_sendmsg+0xee/0x170 [ 2373.640741][ T903] __sys_sendmsg+0xcd/0x170 [ 2373.640741][ T903] do_syscall_64+0xc6/0x1e0 [ 2373.640741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.640741][ T903] [ 2383.861799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2383.862311][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2383.862311][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2383.862311][ T903] ip6_validate_gw+0x3eb/0x790 [ 2383.862311][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2383.862311][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2383.862311][ T903] ip6_route_add+0x1c/0x140 [ 2383.862311][ T903] inet6_rtm_newroute+0x104/0x110 [ 2383.862311][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.862311][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.862311][ T903] netlink_unicast+0x449/0x710 [ 2383.862311][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.862311][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.862311][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.862311][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.862311][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.862311][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.862311][ T903] [ 2383.864418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2383.864418][ T903] netdev_get_by_index+0x5e/0x80 [ 2383.864418][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2383.864418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2383.864418][ T903] ip6_route_add+0x1c/0x140 [ 2383.864418][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2383.864418][ T903] inet6_addr_add+0x4f8/0xa40 [ 2383.864418][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.864418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.864418][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.864418][ T903] netlink_unicast+0x449/0x710 [ 2383.864418][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.864418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.864418][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.864418][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.864418][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.864418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.864418][ T903] [ 2383.866613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2383.866613][ T903] netdev_get_by_index+0x5e/0x80 [ 2383.866613][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2383.866613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2383.866613][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2383.866613][ T903] ipv6_add_addr+0x411/0x2000 [ 2383.866613][ T903] inet6_addr_add+0x30e/0xa40 [ 2383.866613][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.866613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.866613][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.866613][ T903] netlink_unicast+0x449/0x710 [ 2383.866613][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.866613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.866613][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.866613][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.866613][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.866613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.866613][ T903] [ 2383.868681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2383.868681][ T903] netdev_get_by_index+0x5e/0x80 [ 2383.868681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2383.868681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2383.868681][ T903] ip6_route_add+0x1c/0x140 [ 2383.868681][ T903] addrconf_add_mroute+0x129/0x180 [ 2383.868681][ T903] addrconf_add_dev+0xe2/0x170 [ 2383.868681][ T903] inet6_addr_add+0x12f/0xa40 [ 2383.868681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2383.868681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.868681][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.868681][ T903] netlink_unicast+0x449/0x710 [ 2383.868681][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.868681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.868681][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.868681][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.868681][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.868681][ T903] [ 2383.870846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2383.870846][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2383.870846][ T903] ipv6_find_idev+0x102/0x170 [ 2383.870846][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.870846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.870846][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.870846][ T903] netlink_unicast+0x449/0x710 [ 2383.870846][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.870846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.870846][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.870846][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.870846][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.870846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.870846][ T903] [ 2383.872576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2383.872576][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2383.872576][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2383.872576][ T903] ipv6_find_idev+0x102/0x170 [ 2383.872576][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2383.872576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2383.872576][ T903] netlink_rcv_skb+0x130/0x360 [ 2383.872576][ T903] netlink_unicast+0x449/0x710 [ 2383.872576][ T903] netlink_sendmsg+0x723/0xbe0 [ 2383.872576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2383.872576][ T903] ___sys_sendmsg+0xee/0x170 [ 2383.872576][ T903] __sys_sendmsg+0xcd/0x170 [ 2383.872576][ T903] do_syscall_64+0xc6/0x1e0 [ 2383.872576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2383.872576][ T903] [ 2393.989835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2393.990295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2393.990295][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2393.990295][ T903] ip6_validate_gw+0x3eb/0x790 [ 2393.990295][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2393.990295][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2393.990295][ T903] ip6_route_add+0x1c/0x140 [ 2393.990295][ T903] inet6_rtm_newroute+0x104/0x110 [ 2393.990295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.990295][ T903] netlink_rcv_skb+0x130/0x360 [ 2393.990295][ T903] netlink_unicast+0x449/0x710 [ 2393.990295][ T903] netlink_sendmsg+0x723/0xbe0 [ 2393.990295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2393.990295][ T903] ___sys_sendmsg+0xee/0x170 [ 2393.990295][ T903] __sys_sendmsg+0xcd/0x170 [ 2393.990295][ T903] do_syscall_64+0xc6/0x1e0 [ 2393.990295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.990295][ T903] [ 2393.992400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2393.992400][ T903] netdev_get_by_index+0x5e/0x80 [ 2393.992400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2393.992400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2393.992400][ T903] ip6_route_add+0x1c/0x140 [ 2393.992400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2393.992400][ T903] inet6_addr_add+0x4f8/0xa40 [ 2393.992400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.992400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.992400][ T903] netlink_rcv_skb+0x130/0x360 [ 2393.992400][ T903] netlink_unicast+0x449/0x710 [ 2393.992400][ T903] netlink_sendmsg+0x723/0xbe0 [ 2393.992400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2393.992400][ T903] ___sys_sendmsg+0xee/0x170 [ 2393.992400][ T903] __sys_sendmsg+0xcd/0x170 [ 2393.992400][ T903] do_syscall_64+0xc6/0x1e0 [ 2393.992400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.992400][ T903] [ 2393.994522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2393.994522][ T903] netdev_get_by_index+0x5e/0x80 [ 2393.994522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2393.994522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2393.994522][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2393.994522][ T903] ipv6_add_addr+0x411/0x2000 [ 2393.994522][ T903] inet6_addr_add+0x30e/0xa40 [ 2393.994522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.994522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.994522][ T903] netlink_rcv_skb+0x130/0x360 [ 2393.994522][ T903] netlink_unicast+0x449/0x710 [ 2393.994522][ T903] netlink_sendmsg+0x723/0xbe0 [ 2393.994522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2393.994522][ T903] ___sys_sendmsg+0xee/0x170 [ 2393.994522][ T903] __sys_sendmsg+0xcd/0x170 [ 2393.994522][ T903] do_syscall_64+0xc6/0x1e0 [ 2393.994522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.994522][ T903] [ 2393.996655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2393.996655][ T903] netdev_get_by_index+0x5e/0x80 [ 2393.996655][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2393.996655][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2393.996655][ T903] ip6_route_add+0x1c/0x140 [ 2393.996655][ T903] addrconf_add_mroute+0x129/0x180 [ 2393.996655][ T903] addrconf_add_dev+0xe2/0x170 [ 2393.996655][ T903] inet6_addr_add+0x12f/0xa40 [ 2393.996655][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.996655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.996655][ T903] netlink_rcv_skb+0x130/0x360 [ 2393.996655][ T903] netlink_unicast+0x449/0x710 [ 2393.996655][ T903] netlink_sendmsg+0x723/0xbe0 [ 2393.996655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2393.996655][ T903] ___sys_sendmsg+0xee/0x170 [ 2393.996655][ T903] __sys_sendmsg+0xcd/0x170 [ 2393.996655][ T903] do_syscall_64+0xc6/0x1e0 [ 2393.996655][ T903] [ 2393.998763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2393.998763][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2393.998763][ T903] ipv6_find_idev+0x102/0x170 [ 2393.998763][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.998763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.998763][ T903] netlink_rcv_skb+0x130/0x360 [ 2393.998763][ T903] netlink_unicast+0x449/0x710 [ 2393.998763][ T903] netlink_sendmsg+0x723/0xbe0 [ 2393.998763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2393.998763][ T903] ___sys_sendmsg+0xee/0x170 [ 2393.998763][ T903] __sys_sendmsg+0xcd/0x170 [ 2393.998763][ T903] do_syscall_64+0xc6/0x1e0 [ 2393.998763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.998763][ T903] [ 2394.000466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2394.000466][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2394.000466][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2394.000466][ T903] ipv6_find_idev+0x102/0x170 [ 2394.000466][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.000466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.000466][ T903] netlink_rcv_skb+0x130/0x360 [ 2394.000466][ T903] netlink_unicast+0x449/0x710 [ 2394.000466][ T903] netlink_sendmsg+0x723/0xbe0 [ 2394.000466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2394.000466][ T903] ___sys_sendmsg+0xee/0x170 [ 2394.000466][ T903] __sys_sendmsg+0xcd/0x170 [ 2394.000466][ T903] do_syscall_64+0xc6/0x1e0 [ 2394.000466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.000466][ T903] [ 2404.197881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2404.198516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2404.198516][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2404.198516][ T903] ip6_validate_gw+0x3eb/0x790 [ 2404.198516][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2404.198516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2404.198516][ T903] ip6_route_add+0x1c/0x140 [ 2404.198516][ T903] inet6_rtm_newroute+0x104/0x110 [ 2404.198516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.198516][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.198516][ T903] netlink_unicast+0x449/0x710 [ 2404.198516][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.198516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.198516][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.198516][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.198516][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.198516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.198516][ T903] [ 2404.200553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2404.200553][ T903] netdev_get_by_index+0x5e/0x80 [ 2404.200553][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2404.200553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2404.200553][ T903] ip6_route_add+0x1c/0x140 [ 2404.200553][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2404.200553][ T903] inet6_addr_add+0x4f8/0xa40 [ 2404.200553][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.200553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.200553][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.200553][ T903] netlink_unicast+0x449/0x710 [ 2404.200553][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.200553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.200553][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.200553][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.200553][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.200553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.200553][ T903] [ 2404.202784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2404.202784][ T903] netdev_get_by_index+0x5e/0x80 [ 2404.202784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2404.202784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2404.202784][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2404.202784][ T903] ipv6_add_addr+0x411/0x2000 [ 2404.202784][ T903] inet6_addr_add+0x30e/0xa40 [ 2404.202784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.202784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.202784][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.202784][ T903] netlink_unicast+0x449/0x710 [ 2404.202784][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.202784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.202784][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.202784][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.202784][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.202784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.202784][ T903] [ 2404.204902][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2404.204902][ T903] netdev_get_by_index+0x5e/0x80 [ 2404.204902][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2404.204902][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2404.204902][ T903] ip6_route_add+0x1c/0x140 [ 2404.204902][ T903] addrconf_add_mroute+0x129/0x180 [ 2404.204902][ T903] addrconf_add_dev+0xe2/0x170 [ 2404.204902][ T903] inet6_addr_add+0x12f/0xa40 [ 2404.204902][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.204902][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.204902][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.204902][ T903] netlink_unicast+0x449/0x710 [ 2404.204902][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.204902][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.204902][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.204902][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.204902][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.204902][ T903] [ 2404.207040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2404.207040][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2404.207040][ T903] ipv6_find_idev+0x102/0x170 [ 2404.207040][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.207040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.207040][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.207040][ T903] netlink_unicast+0x449/0x710 [ 2404.207040][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.207040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.207040][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.207040][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.207040][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.207040][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.207040][ T903] [ 2404.208760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2404.208760][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2404.208760][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2404.208760][ T903] ipv6_find_idev+0x102/0x170 [ 2404.208760][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.208760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.208760][ T903] netlink_rcv_skb+0x130/0x360 [ 2404.208760][ T903] netlink_unicast+0x449/0x710 [ 2404.208760][ T903] netlink_sendmsg+0x723/0xbe0 [ 2404.208760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2404.208760][ T903] ___sys_sendmsg+0xee/0x170 [ 2404.208760][ T903] __sys_sendmsg+0xcd/0x170 [ 2404.208760][ T903] do_syscall_64+0xc6/0x1e0 [ 2404.208760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.208760][ T903] [ 2414.445798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2414.446363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2414.446363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2414.446363][ T903] ip6_validate_gw+0x3eb/0x790 [ 2414.446363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2414.446363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2414.446363][ T903] ip6_route_add+0x1c/0x140 [ 2414.446363][ T903] inet6_rtm_newroute+0x104/0x110 [ 2414.446363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.446363][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.446363][ T903] netlink_unicast+0x449/0x710 [ 2414.446363][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.446363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.446363][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.446363][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.446363][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.446363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.446363][ T903] [ 2414.448458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2414.448458][ T903] netdev_get_by_index+0x5e/0x80 [ 2414.448458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2414.448458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2414.448458][ T903] ip6_route_add+0x1c/0x140 [ 2414.448458][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2414.448458][ T903] inet6_addr_add+0x4f8/0xa40 [ 2414.448458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.448458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.448458][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.448458][ T903] netlink_unicast+0x449/0x710 [ 2414.448458][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.448458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.448458][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.448458][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.448458][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.448458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.448458][ T903] [ 2414.450571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2414.450571][ T903] netdev_get_by_index+0x5e/0x80 [ 2414.450571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2414.450571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2414.450571][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2414.450571][ T903] ipv6_add_addr+0x411/0x2000 [ 2414.450571][ T903] inet6_addr_add+0x30e/0xa40 [ 2414.450571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.450571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.450571][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.450571][ T903] netlink_unicast+0x449/0x710 [ 2414.450571][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.450571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.450571][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.450571][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.450571][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.450571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.450571][ T903] [ 2414.452707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2414.452707][ T903] netdev_get_by_index+0x5e/0x80 [ 2414.452707][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2414.452707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2414.452707][ T903] ip6_route_add+0x1c/0x140 [ 2414.452707][ T903] addrconf_add_mroute+0x129/0x180 [ 2414.452707][ T903] addrconf_add_dev+0xe2/0x170 [ 2414.452707][ T903] inet6_addr_add+0x12f/0xa40 [ 2414.452707][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.452707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.452707][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.452707][ T903] netlink_unicast+0x449/0x710 [ 2414.452707][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.452707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.452707][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.452707][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.452707][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.452707][ T903] [ 2414.454742][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2414.454742][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2414.454742][ T903] ipv6_find_idev+0x102/0x170 [ 2414.454742][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.454742][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.454742][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.454742][ T903] netlink_unicast+0x449/0x710 [ 2414.454742][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.454742][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.454742][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.454742][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.454742][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.454742][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.454742][ T903] [ 2414.456363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2414.456363][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2414.456363][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2414.456363][ T903] ipv6_find_idev+0x102/0x170 [ 2414.456363][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.456363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.456363][ T903] netlink_rcv_skb+0x130/0x360 [ 2414.456363][ T903] netlink_unicast+0x449/0x710 [ 2414.456363][ T903] netlink_sendmsg+0x723/0xbe0 [ 2414.456363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2414.456363][ T903] ___sys_sendmsg+0xee/0x170 [ 2414.456363][ T903] __sys_sendmsg+0xcd/0x170 [ 2414.456363][ T903] do_syscall_64+0xc6/0x1e0 [ 2414.456363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.456363][ T903] [ 2424.693797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2424.694264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2424.694264][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2424.694264][ T903] ip6_validate_gw+0x3eb/0x790 [ 2424.694264][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2424.694264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2424.694264][ T903] ip6_route_add+0x1c/0x140 [ 2424.694264][ T903] inet6_rtm_newroute+0x104/0x110 [ 2424.694264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.694264][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.694264][ T903] netlink_unicast+0x449/0x710 [ 2424.694264][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.694264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.694264][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.694264][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.694264][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.694264][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.694264][ T903] [ 2424.696372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2424.696372][ T903] netdev_get_by_index+0x5e/0x80 [ 2424.696372][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2424.696372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2424.696372][ T903] ip6_route_add+0x1c/0x140 [ 2424.696372][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2424.696372][ T903] inet6_addr_add+0x4f8/0xa40 [ 2424.696372][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.696372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.696372][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.696372][ T903] netlink_unicast+0x449/0x710 [ 2424.696372][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.696372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.696372][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.696372][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.696372][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.696372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.696372][ T903] [ 2424.698598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2424.698598][ T903] netdev_get_by_index+0x5e/0x80 [ 2424.698598][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2424.698598][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2424.698598][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2424.698598][ T903] ipv6_add_addr+0x411/0x2000 [ 2424.698598][ T903] inet6_addr_add+0x30e/0xa40 [ 2424.698598][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.698598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.698598][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.698598][ T903] netlink_unicast+0x449/0x710 [ 2424.698598][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.698598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.698598][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.698598][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.698598][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.698598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.698598][ T903] [ 2424.700852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2424.700852][ T903] netdev_get_by_index+0x5e/0x80 [ 2424.700852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2424.700852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2424.700852][ T903] ip6_route_add+0x1c/0x140 [ 2424.700852][ T903] addrconf_add_mroute+0x129/0x180 [ 2424.700852][ T903] addrconf_add_dev+0xe2/0x170 [ 2424.700852][ T903] inet6_addr_add+0x12f/0xa40 [ 2424.700852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.700852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.700852][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.700852][ T903] netlink_unicast+0x449/0x710 [ 2424.700852][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.700852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.700852][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.700852][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.700852][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.700852][ T903] [ 2424.703033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2424.703033][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2424.703033][ T903] ipv6_find_idev+0x102/0x170 [ 2424.703033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.703033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.703033][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.703033][ T903] netlink_unicast+0x449/0x710 [ 2424.703033][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.703033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.703033][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.703033][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.703033][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.703033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.703033][ T903] [ 2424.704745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2424.704745][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2424.704745][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2424.704745][ T903] ipv6_find_idev+0x102/0x170 [ 2424.704745][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.704745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.704745][ T903] netlink_rcv_skb+0x130/0x360 [ 2424.704745][ T903] netlink_unicast+0x449/0x710 [ 2424.704745][ T903] netlink_sendmsg+0x723/0xbe0 [ 2424.704745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2424.704745][ T903] ___sys_sendmsg+0xee/0x170 [ 2424.704745][ T903] __sys_sendmsg+0xcd/0x170 [ 2424.704745][ T903] do_syscall_64+0xc6/0x1e0 [ 2424.704745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.704745][ T903] [ 2434.941933][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2434.942372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2434.942372][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2434.942372][ T903] ip6_validate_gw+0x3eb/0x790 [ 2434.942372][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2434.942372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2434.942372][ T903] ip6_route_add+0x1c/0x140 [ 2434.942372][ T903] inet6_rtm_newroute+0x104/0x110 [ 2434.942372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.942372][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.942372][ T903] netlink_unicast+0x449/0x710 [ 2434.942372][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.942372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.942372][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.942372][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.942372][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.942372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.942372][ T903] [ 2434.944450][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2434.944450][ T903] netdev_get_by_index+0x5e/0x80 [ 2434.944450][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2434.944450][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2434.944450][ T903] ip6_route_add+0x1c/0x140 [ 2434.944450][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2434.944450][ T903] inet6_addr_add+0x4f8/0xa40 [ 2434.944450][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.944450][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.944450][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.944450][ T903] netlink_unicast+0x449/0x710 [ 2434.944450][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.944450][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.944450][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.944450][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.944450][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.944450][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.944450][ T903] [ 2434.946611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2434.946611][ T903] netdev_get_by_index+0x5e/0x80 [ 2434.946611][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2434.946611][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2434.946611][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2434.946611][ T903] ipv6_add_addr+0x411/0x2000 [ 2434.946611][ T903] inet6_addr_add+0x30e/0xa40 [ 2434.946611][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.946611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.946611][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.946611][ T903] netlink_unicast+0x449/0x710 [ 2434.946611][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.946611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.946611][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.946611][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.946611][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.946611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.946611][ T903] [ 2434.948796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2434.948796][ T903] netdev_get_by_index+0x5e/0x80 [ 2434.948796][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2434.948796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2434.948796][ T903] ip6_route_add+0x1c/0x140 [ 2434.948796][ T903] addrconf_add_mroute+0x129/0x180 [ 2434.948796][ T903] addrconf_add_dev+0xe2/0x170 [ 2434.948796][ T903] inet6_addr_add+0x12f/0xa40 [ 2434.948796][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.948796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.948796][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.948796][ T903] netlink_unicast+0x449/0x710 [ 2434.948796][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.948796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.948796][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.948796][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.948796][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.948796][ T903] [ 2434.951000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2434.951000][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2434.951000][ T903] ipv6_find_idev+0x102/0x170 [ 2434.951000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.951000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.951000][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.951000][ T903] netlink_unicast+0x449/0x710 [ 2434.951000][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.951000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.951000][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.951000][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.951000][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.951000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.951000][ T903] [ 2434.952730][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2434.952730][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2434.952730][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2434.952730][ T903] ipv6_find_idev+0x102/0x170 [ 2434.952730][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.952730][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.952730][ T903] netlink_rcv_skb+0x130/0x360 [ 2434.952730][ T903] netlink_unicast+0x449/0x710 [ 2434.952730][ T903] netlink_sendmsg+0x723/0xbe0 [ 2434.952730][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2434.952730][ T903] ___sys_sendmsg+0xee/0x170 [ 2434.952730][ T903] __sys_sendmsg+0xcd/0x170 [ 2434.952730][ T903] do_syscall_64+0xc6/0x1e0 [ 2434.952730][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.952730][ T903] [ 2445.189741][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2445.190253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2445.190253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2445.190253][ T903] ip6_validate_gw+0x3eb/0x790 [ 2445.190253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2445.190253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2445.190253][ T903] ip6_route_add+0x1c/0x140 [ 2445.190253][ T903] inet6_rtm_newroute+0x104/0x110 [ 2445.190253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.190253][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.190253][ T903] netlink_unicast+0x449/0x710 [ 2445.190253][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.190253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.190253][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.190253][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.190253][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.190253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.190253][ T903] [ 2445.192396][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2445.192396][ T903] netdev_get_by_index+0x5e/0x80 [ 2445.192396][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2445.192396][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2445.192396][ T903] ip6_route_add+0x1c/0x140 [ 2445.192396][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2445.192396][ T903] inet6_addr_add+0x4f8/0xa40 [ 2445.192396][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.192396][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.192396][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.192396][ T903] netlink_unicast+0x449/0x710 [ 2445.192396][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.192396][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.192396][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.192396][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.192396][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.192396][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.192396][ T903] [ 2445.194620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2445.194620][ T903] netdev_get_by_index+0x5e/0x80 [ 2445.194620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2445.194620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2445.194620][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2445.194620][ T903] ipv6_add_addr+0x411/0x2000 [ 2445.194620][ T903] inet6_addr_add+0x30e/0xa40 [ 2445.194620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.194620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.194620][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.194620][ T903] netlink_unicast+0x449/0x710 [ 2445.194620][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.194620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.194620][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.194620][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.194620][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.194620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.194620][ T903] [ 2445.196829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2445.196829][ T903] netdev_get_by_index+0x5e/0x80 [ 2445.196829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2445.196829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2445.196829][ T903] ip6_route_add+0x1c/0x140 [ 2445.196829][ T903] addrconf_add_mroute+0x129/0x180 [ 2445.196829][ T903] addrconf_add_dev+0xe2/0x170 [ 2445.196829][ T903] inet6_addr_add+0x12f/0xa40 [ 2445.196829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.196829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.196829][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.196829][ T903] netlink_unicast+0x449/0x710 [ 2445.196829][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.196829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.196829][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.196829][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.196829][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.196829][ T903] [ 2445.199001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2445.199001][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2445.199001][ T903] ipv6_find_idev+0x102/0x170 [ 2445.199001][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.199001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.199001][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.199001][ T903] netlink_unicast+0x449/0x710 [ 2445.199001][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.199001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.199001][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.199001][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.199001][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.199001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.199001][ T903] [ 2445.200726][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2445.200726][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2445.200726][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2445.200726][ T903] ipv6_find_idev+0x102/0x170 [ 2445.200726][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.200726][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.200726][ T903] netlink_rcv_skb+0x130/0x360 [ 2445.200726][ T903] netlink_unicast+0x449/0x710 [ 2445.200726][ T903] netlink_sendmsg+0x723/0xbe0 [ 2445.200726][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2445.200726][ T903] ___sys_sendmsg+0xee/0x170 [ 2445.200726][ T903] __sys_sendmsg+0xcd/0x170 [ 2445.200726][ T903] do_syscall_64+0xc6/0x1e0 [ 2445.200726][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.200726][ T903] [ 2455.437811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2455.438333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2455.438333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2455.438333][ T903] ip6_validate_gw+0x3eb/0x790 [ 2455.438333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2455.438333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2455.438333][ T903] ip6_route_add+0x1c/0x140 [ 2455.438333][ T903] inet6_rtm_newroute+0x104/0x110 [ 2455.438333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.438333][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.438333][ T903] netlink_unicast+0x449/0x710 [ 2455.438333][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.438333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.438333][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.438333][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.438333][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.438333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.438333][ T903] [ 2455.440964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2455.440964][ T903] netdev_get_by_index+0x5e/0x80 [ 2455.440964][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2455.440964][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2455.440964][ T903] ip6_route_add+0x1c/0x140 [ 2455.440964][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2455.440964][ T903] inet6_addr_add+0x4f8/0xa40 [ 2455.440964][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.440964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.440964][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.440964][ T903] netlink_unicast+0x449/0x710 [ 2455.440964][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.440964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.440964][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.440964][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.440964][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.440964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.440964][ T903] [ 2455.443696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2455.443696][ T903] netdev_get_by_index+0x5e/0x80 [ 2455.443696][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2455.443696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2455.443696][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2455.443696][ T903] ipv6_add_addr+0x411/0x2000 [ 2455.443696][ T903] inet6_addr_add+0x30e/0xa40 [ 2455.443696][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.443696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.443696][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.443696][ T903] netlink_unicast+0x449/0x710 [ 2455.443696][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.443696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.443696][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.443696][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.443696][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.443696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.443696][ T903] [ 2455.446423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2455.446423][ T903] netdev_get_by_index+0x5e/0x80 [ 2455.446423][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2455.446423][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2455.446423][ T903] ip6_route_add+0x1c/0x140 [ 2455.446423][ T903] addrconf_add_mroute+0x129/0x180 [ 2455.446423][ T903] addrconf_add_dev+0xe2/0x170 [ 2455.446423][ T903] inet6_addr_add+0x12f/0xa40 [ 2455.446423][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.446423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.446423][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.446423][ T903] netlink_unicast+0x449/0x710 [ 2455.446423][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.446423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.446423][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.446423][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.446423][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.446423][ T903] [ 2455.449096][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2455.449096][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2455.449096][ T903] ipv6_find_idev+0x102/0x170 [ 2455.449096][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.449096][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.449096][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.449096][ T903] netlink_unicast+0x449/0x710 [ 2455.449096][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.449096][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.449096][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.449096][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.449096][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.449096][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.449096][ T903] [ 2455.451205][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2455.451205][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2455.451205][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2455.451205][ T903] ipv6_find_idev+0x102/0x170 [ 2455.451205][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.451205][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.451205][ T903] netlink_rcv_skb+0x130/0x360 [ 2455.451205][ T903] netlink_unicast+0x449/0x710 [ 2455.451205][ T903] netlink_sendmsg+0x723/0xbe0 [ 2455.451205][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2455.451205][ T903] ___sys_sendmsg+0xee/0x170 [ 2455.451205][ T903] __sys_sendmsg+0xcd/0x170 [ 2455.451205][ T903] do_syscall_64+0xc6/0x1e0 [ 2455.451205][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.451205][ T903] [ 2465.605807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2465.606378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2465.606378][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2465.606378][ T903] ip6_validate_gw+0x3eb/0x790 [ 2465.606378][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2465.606378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2465.606378][ T903] ip6_route_add+0x1c/0x140 [ 2465.606378][ T903] inet6_rtm_newroute+0x104/0x110 [ 2465.606378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.606378][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.606378][ T903] netlink_unicast+0x449/0x710 [ 2465.606378][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.606378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.606378][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.606378][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.606378][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.606378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.606378][ T903] [ 2465.608616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2465.608616][ T903] netdev_get_by_index+0x5e/0x80 [ 2465.608616][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2465.608616][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2465.608616][ T903] ip6_route_add+0x1c/0x140 [ 2465.608616][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2465.608616][ T903] inet6_addr_add+0x4f8/0xa40 [ 2465.608616][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.608616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.608616][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.608616][ T903] netlink_unicast+0x449/0x710 [ 2465.608616][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.608616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.608616][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.608616][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.608616][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.608616][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.608616][ T903] [ 2465.610833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2465.610833][ T903] netdev_get_by_index+0x5e/0x80 [ 2465.610833][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2465.610833][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2465.610833][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2465.610833][ T903] ipv6_add_addr+0x411/0x2000 [ 2465.610833][ T903] inet6_addr_add+0x30e/0xa40 [ 2465.610833][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.610833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.610833][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.610833][ T903] netlink_unicast+0x449/0x710 [ 2465.610833][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.610833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.610833][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.610833][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.610833][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.610833][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.610833][ T903] [ 2465.613040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2465.613040][ T903] netdev_get_by_index+0x5e/0x80 [ 2465.613040][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2465.613040][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2465.613040][ T903] ip6_route_add+0x1c/0x140 [ 2465.613040][ T903] addrconf_add_mroute+0x129/0x180 [ 2465.613040][ T903] addrconf_add_dev+0xe2/0x170 [ 2465.613040][ T903] inet6_addr_add+0x12f/0xa40 [ 2465.613040][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.613040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.613040][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.613040][ T903] netlink_unicast+0x449/0x710 [ 2465.613040][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.613040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.613040][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.613040][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.613040][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.613040][ T903] [ 2465.615212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2465.615212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2465.615212][ T903] ipv6_find_idev+0x102/0x170 [ 2465.615212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.615212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.615212][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.615212][ T903] netlink_unicast+0x449/0x710 [ 2465.615212][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.615212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.615212][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.615212][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.615212][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.615212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.615212][ T903] [ 2465.616915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2465.616915][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2465.616915][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2465.616915][ T903] ipv6_find_idev+0x102/0x170 [ 2465.616915][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.616915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.616915][ T903] netlink_rcv_skb+0x130/0x360 [ 2465.616915][ T903] netlink_unicast+0x449/0x710 [ 2465.616915][ T903] netlink_sendmsg+0x723/0xbe0 [ 2465.616915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2465.616915][ T903] ___sys_sendmsg+0xee/0x170 [ 2465.616915][ T903] __sys_sendmsg+0xcd/0x170 [ 2465.616915][ T903] do_syscall_64+0xc6/0x1e0 [ 2465.616915][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.616915][ T903] [ 2475.869810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2475.870286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2475.870286][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2475.870286][ T903] ip6_validate_gw+0x3eb/0x790 [ 2475.870286][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2475.870286][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2475.870286][ T903] ip6_route_add+0x1c/0x140 [ 2475.870286][ T903] inet6_rtm_newroute+0x104/0x110 [ 2475.870286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.870286][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.870286][ T903] netlink_unicast+0x449/0x710 [ 2475.870286][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.870286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.870286][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.870286][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.870286][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.870286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.870286][ T903] [ 2475.872497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2475.872497][ T903] netdev_get_by_index+0x5e/0x80 [ 2475.872497][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2475.872497][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2475.872497][ T903] ip6_route_add+0x1c/0x140 [ 2475.872497][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2475.872497][ T903] inet6_addr_add+0x4f8/0xa40 [ 2475.872497][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.872497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.872497][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.872497][ T903] netlink_unicast+0x449/0x710 [ 2475.872497][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.872497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.872497][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.872497][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.872497][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.872497][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.872497][ T903] [ 2475.874801][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2475.874801][ T903] netdev_get_by_index+0x5e/0x80 [ 2475.874801][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2475.874801][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2475.874801][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2475.874801][ T903] ipv6_add_addr+0x411/0x2000 [ 2475.874801][ T903] inet6_addr_add+0x30e/0xa40 [ 2475.874801][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.874801][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.874801][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.874801][ T903] netlink_unicast+0x449/0x710 [ 2475.874801][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.874801][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.874801][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.874801][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.874801][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.874801][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.874801][ T903] [ 2475.877123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2475.877123][ T903] netdev_get_by_index+0x5e/0x80 [ 2475.877123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2475.877123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2475.877123][ T903] ip6_route_add+0x1c/0x140 [ 2475.877123][ T903] addrconf_add_mroute+0x129/0x180 [ 2475.877123][ T903] addrconf_add_dev+0xe2/0x170 [ 2475.877123][ T903] inet6_addr_add+0x12f/0xa40 [ 2475.877123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.877123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.877123][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.877123][ T903] netlink_unicast+0x449/0x710 [ 2475.877123][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.877123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.877123][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.877123][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.877123][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.877123][ T903] [ 2475.879395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2475.879395][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2475.879395][ T903] ipv6_find_idev+0x102/0x170 [ 2475.879395][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.879395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.879395][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.879395][ T903] netlink_unicast+0x449/0x710 [ 2475.879395][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.879395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.879395][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.879395][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.879395][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.879395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.879395][ T903] [ 2475.881174][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2475.881174][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2475.881174][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2475.881174][ T903] ipv6_find_idev+0x102/0x170 [ 2475.881174][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.881174][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.881174][ T903] netlink_rcv_skb+0x130/0x360 [ 2475.881174][ T903] netlink_unicast+0x449/0x710 [ 2475.881174][ T903] netlink_sendmsg+0x723/0xbe0 [ 2475.881174][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2475.881174][ T903] ___sys_sendmsg+0xee/0x170 [ 2475.881174][ T903] __sys_sendmsg+0xcd/0x170 [ 2475.881174][ T903] do_syscall_64+0xc6/0x1e0 [ 2475.881174][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.881174][ T903] [ 2486.133802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2486.134268][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2486.134268][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2486.134268][ T903] ip6_validate_gw+0x3eb/0x790 [ 2486.134268][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2486.134268][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2486.134268][ T903] ip6_route_add+0x1c/0x140 [ 2486.134268][ T903] inet6_rtm_newroute+0x104/0x110 [ 2486.134268][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.134268][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.134268][ T903] netlink_unicast+0x449/0x710 [ 2486.134268][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.134268][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.134268][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.134268][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.134268][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.134268][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.134268][ T903] [ 2486.136459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2486.136459][ T903] netdev_get_by_index+0x5e/0x80 [ 2486.136459][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2486.136459][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2486.136459][ T903] ip6_route_add+0x1c/0x140 [ 2486.136459][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2486.136459][ T903] inet6_addr_add+0x4f8/0xa40 [ 2486.136459][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.136459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.136459][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.136459][ T903] netlink_unicast+0x449/0x710 [ 2486.136459][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.136459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.136459][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.136459][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.136459][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.136459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.136459][ T903] [ 2486.138751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2486.138751][ T903] netdev_get_by_index+0x5e/0x80 [ 2486.138751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2486.138751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2486.138751][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2486.138751][ T903] ipv6_add_addr+0x411/0x2000 [ 2486.138751][ T903] inet6_addr_add+0x30e/0xa40 [ 2486.138751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.138751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.138751][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.138751][ T903] netlink_unicast+0x449/0x710 [ 2486.138751][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.138751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.138751][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.138751][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.138751][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.138751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.138751][ T903] [ 2486.141091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2486.141091][ T903] netdev_get_by_index+0x5e/0x80 [ 2486.141091][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2486.141091][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2486.141091][ T903] ip6_route_add+0x1c/0x140 [ 2486.141091][ T903] addrconf_add_mroute+0x129/0x180 [ 2486.141091][ T903] addrconf_add_dev+0xe2/0x170 [ 2486.141091][ T903] inet6_addr_add+0x12f/0xa40 [ 2486.141091][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2486.141091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.141091][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.141091][ T903] netlink_unicast+0x449/0x710 [ 2486.141091][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.141091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.141091][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.141091][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.141091][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.141091][ T903] [ 2486.143358][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2486.143358][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2486.143358][ T903] ipv6_find_idev+0x102/0x170 [ 2486.143358][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.143358][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.143358][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.143358][ T903] netlink_unicast+0x449/0x710 [ 2486.143358][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.143358][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.143358][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.143358][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.143358][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.143358][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.143358][ T903] [ 2486.145085][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2486.145085][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2486.145085][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2486.145085][ T903] ipv6_find_idev+0x102/0x170 [ 2486.145085][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2486.145085][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2486.145085][ T903] netlink_rcv_skb+0x130/0x360 [ 2486.145085][ T903] netlink_unicast+0x449/0x710 [ 2486.145085][ T903] netlink_sendmsg+0x723/0xbe0 [ 2486.145085][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2486.145085][ T903] ___sys_sendmsg+0xee/0x170 [ 2486.145085][ T903] __sys_sendmsg+0xcd/0x170 [ 2486.145085][ T903] do_syscall_64+0xc6/0x1e0 [ 2486.145085][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2486.145085][ T903] [ 2496.397800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2496.398347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2496.398347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2496.398347][ T903] ip6_validate_gw+0x3eb/0x790 [ 2496.398347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2496.398347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2496.398347][ T903] ip6_route_add+0x1c/0x140 [ 2496.398347][ T903] inet6_rtm_newroute+0x104/0x110 [ 2496.398347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.398347][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.398347][ T903] netlink_unicast+0x449/0x710 [ 2496.398347][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.398347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.398347][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.398347][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.398347][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.398347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.398347][ T903] [ 2496.400563][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2496.400563][ T903] netdev_get_by_index+0x5e/0x80 [ 2496.400563][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2496.400563][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2496.400563][ T903] ip6_route_add+0x1c/0x140 [ 2496.400563][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2496.400563][ T903] inet6_addr_add+0x4f8/0xa40 [ 2496.400563][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.400563][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.400563][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.400563][ T903] netlink_unicast+0x449/0x710 [ 2496.400563][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.400563][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.400563][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.400563][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.400563][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.400563][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.400563][ T903] [ 2496.402835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2496.402835][ T903] netdev_get_by_index+0x5e/0x80 [ 2496.402835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2496.402835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2496.402835][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2496.402835][ T903] ipv6_add_addr+0x411/0x2000 [ 2496.402835][ T903] inet6_addr_add+0x30e/0xa40 [ 2496.402835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.402835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.402835][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.402835][ T903] netlink_unicast+0x449/0x710 [ 2496.402835][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.402835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.402835][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.402835][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.402835][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.402835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.402835][ T903] [ 2496.405135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2496.405135][ T903] netdev_get_by_index+0x5e/0x80 [ 2496.405135][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2496.405135][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2496.405135][ T903] ip6_route_add+0x1c/0x140 [ 2496.405135][ T903] addrconf_add_mroute+0x129/0x180 [ 2496.405135][ T903] addrconf_add_dev+0xe2/0x170 [ 2496.405135][ T903] inet6_addr_add+0x12f/0xa40 [ 2496.405135][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2496.405135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.405135][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.405135][ T903] netlink_unicast+0x449/0x710 [ 2496.405135][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.405135][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.405135][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.405135][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.405135][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.405135][ T903] [ 2496.407362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2496.407362][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2496.407362][ T903] ipv6_find_idev+0x102/0x170 [ 2496.407362][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.407362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.407362][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.407362][ T903] netlink_unicast+0x449/0x710 [ 2496.407362][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.407362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.407362][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.407362][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.407362][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.407362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.407362][ T903] [ 2496.409164][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2496.409164][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2496.409164][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2496.409164][ T903] ipv6_find_idev+0x102/0x170 [ 2496.409164][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2496.409164][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2496.409164][ T903] netlink_rcv_skb+0x130/0x360 [ 2496.409164][ T903] netlink_unicast+0x449/0x710 [ 2496.409164][ T903] netlink_sendmsg+0x723/0xbe0 [ 2496.409164][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2496.409164][ T903] ___sys_sendmsg+0xee/0x170 [ 2496.409164][ T903] __sys_sendmsg+0xcd/0x170 [ 2496.409164][ T903] do_syscall_64+0xc6/0x1e0 [ 2496.409164][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2496.409164][ T903] [ 2506.661814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2506.662264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2506.662264][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2506.662264][ T903] ip6_validate_gw+0x3eb/0x790 [ 2506.662264][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2506.662264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2506.662264][ T903] ip6_route_add+0x1c/0x140 [ 2506.662264][ T903] inet6_rtm_newroute+0x104/0x110 [ 2506.662264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.662264][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.662264][ T903] netlink_unicast+0x449/0x710 [ 2506.662264][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.662264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.662264][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.662264][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.662264][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.662264][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.662264][ T903] [ 2506.664390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2506.664390][ T903] netdev_get_by_index+0x5e/0x80 [ 2506.664390][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2506.664390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2506.664390][ T903] ip6_route_add+0x1c/0x140 [ 2506.664390][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2506.664390][ T903] inet6_addr_add+0x4f8/0xa40 [ 2506.664390][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.664390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.664390][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.664390][ T903] netlink_unicast+0x449/0x710 [ 2506.664390][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.664390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.664390][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.664390][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.664390][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.664390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.664390][ T903] [ 2506.666637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2506.666637][ T903] netdev_get_by_index+0x5e/0x80 [ 2506.666637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2506.666637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2506.666637][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2506.666637][ T903] ipv6_add_addr+0x411/0x2000 [ 2506.666637][ T903] inet6_addr_add+0x30e/0xa40 [ 2506.666637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.666637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.666637][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.666637][ T903] netlink_unicast+0x449/0x710 [ 2506.666637][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.666637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.666637][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.666637][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.666637][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.666637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.666637][ T903] [ 2506.668910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2506.668910][ T903] netdev_get_by_index+0x5e/0x80 [ 2506.668910][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2506.668910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2506.668910][ T903] ip6_route_add+0x1c/0x140 [ 2506.668910][ T903] addrconf_add_mroute+0x129/0x180 [ 2506.668910][ T903] addrconf_add_dev+0xe2/0x170 [ 2506.668910][ T903] inet6_addr_add+0x12f/0xa40 [ 2506.668910][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.668910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.668910][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.668910][ T903] netlink_unicast+0x449/0x710 [ 2506.668910][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.668910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.668910][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.668910][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.668910][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.668910][ T903] [ 2506.671132][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2506.671132][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2506.671132][ T903] ipv6_find_idev+0x102/0x170 [ 2506.671132][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.671132][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.671132][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.671132][ T903] netlink_unicast+0x449/0x710 [ 2506.671132][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.671132][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.671132][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.671132][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.671132][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.671132][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.671132][ T903] [ 2506.672856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2506.672856][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2506.672856][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2506.672856][ T903] ipv6_find_idev+0x102/0x170 [ 2506.672856][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.672856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.672856][ T903] netlink_rcv_skb+0x130/0x360 [ 2506.672856][ T903] netlink_unicast+0x449/0x710 [ 2506.672856][ T903] netlink_sendmsg+0x723/0xbe0 [ 2506.672856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2506.672856][ T903] ___sys_sendmsg+0xee/0x170 [ 2506.672856][ T903] __sys_sendmsg+0xcd/0x170 [ 2506.672856][ T903] do_syscall_64+0xc6/0x1e0 [ 2506.672856][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.672856][ T903] [ 2516.917799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2516.918279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2516.918279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2516.918279][ T903] ip6_validate_gw+0x3eb/0x790 [ 2516.918279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2516.918279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2516.918279][ T903] ip6_route_add+0x1c/0x140 [ 2516.918279][ T903] inet6_rtm_newroute+0x104/0x110 [ 2516.918279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.918279][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.918279][ T903] netlink_unicast+0x449/0x710 [ 2516.918279][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.918279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.918279][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.918279][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.918279][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.918279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.918279][ T903] [ 2516.920516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2516.920516][ T903] netdev_get_by_index+0x5e/0x80 [ 2516.920516][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2516.920516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2516.920516][ T903] ip6_route_add+0x1c/0x140 [ 2516.920516][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2516.920516][ T903] inet6_addr_add+0x4f8/0xa40 [ 2516.920516][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.920516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.920516][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.920516][ T903] netlink_unicast+0x449/0x710 [ 2516.920516][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.920516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.920516][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.920516][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.920516][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.920516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.920516][ T903] [ 2516.922849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2516.922849][ T903] netdev_get_by_index+0x5e/0x80 [ 2516.922849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2516.922849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2516.922849][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2516.922849][ T903] ipv6_add_addr+0x411/0x2000 [ 2516.922849][ T903] inet6_addr_add+0x30e/0xa40 [ 2516.922849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.922849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.922849][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.922849][ T903] netlink_unicast+0x449/0x710 [ 2516.922849][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.922849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.922849][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.922849][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.922849][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.922849][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.922849][ T903] [ 2516.926155][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2516.926155][ T903] netdev_get_by_index+0x5e/0x80 [ 2516.926155][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2516.926155][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2516.926155][ T903] ip6_route_add+0x1c/0x140 [ 2516.926155][ T903] addrconf_add_mroute+0x129/0x180 [ 2516.926155][ T903] addrconf_add_dev+0xe2/0x170 [ 2516.926155][ T903] inet6_addr_add+0x12f/0xa40 [ 2516.926155][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.926155][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.926155][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.926155][ T903] netlink_unicast+0x449/0x710 [ 2516.926155][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.926155][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.926155][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.926155][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.926155][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.926155][ T903] [ 2516.929541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2516.929541][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2516.929541][ T903] ipv6_find_idev+0x102/0x170 [ 2516.929541][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.929541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.929541][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.929541][ T903] netlink_unicast+0x449/0x710 [ 2516.929541][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.929541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.929541][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.929541][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.929541][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.929541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.929541][ T903] [ 2516.931668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2516.931668][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2516.931668][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2516.931668][ T903] ipv6_find_idev+0x102/0x170 [ 2516.931668][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.931668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.931668][ T903] netlink_rcv_skb+0x130/0x360 [ 2516.931668][ T903] netlink_unicast+0x449/0x710 [ 2516.931668][ T903] netlink_sendmsg+0x723/0xbe0 [ 2516.931668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2516.931668][ T903] ___sys_sendmsg+0xee/0x170 [ 2516.931668][ T903] __sys_sendmsg+0xcd/0x170 [ 2516.931668][ T903] do_syscall_64+0xc6/0x1e0 [ 2516.931668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.931668][ T903] [ 2527.181882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2527.182464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2527.182464][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2527.182464][ T903] ip6_validate_gw+0x3eb/0x790 [ 2527.182464][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2527.182464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2527.182464][ T903] ip6_route_add+0x1c/0x140 [ 2527.182464][ T903] inet6_rtm_newroute+0x104/0x110 [ 2527.182464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.182464][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.182464][ T903] netlink_unicast+0x449/0x710 [ 2527.182464][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.182464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.182464][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.182464][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.182464][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.182464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.182464][ T903] [ 2527.184704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2527.184704][ T903] netdev_get_by_index+0x5e/0x80 [ 2527.184704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2527.184704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2527.184704][ T903] ip6_route_add+0x1c/0x140 [ 2527.184704][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2527.184704][ T903] inet6_addr_add+0x4f8/0xa40 [ 2527.184704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.184704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.184704][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.184704][ T903] netlink_unicast+0x449/0x710 [ 2527.184704][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.184704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.184704][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.184704][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.184704][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.184704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.184704][ T903] [ 2527.187011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2527.187011][ T903] netdev_get_by_index+0x5e/0x80 [ 2527.187011][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2527.187011][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2527.187011][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2527.187011][ T903] ipv6_add_addr+0x411/0x2000 [ 2527.187011][ T903] inet6_addr_add+0x30e/0xa40 [ 2527.187011][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.187011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.187011][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.187011][ T903] netlink_unicast+0x449/0x710 [ 2527.187011][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.187011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.187011][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.187011][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.187011][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.187011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.187011][ T903] [ 2527.189219][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2527.189219][ T903] netdev_get_by_index+0x5e/0x80 [ 2527.189219][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2527.189219][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2527.189219][ T903] ip6_route_add+0x1c/0x140 [ 2527.189219][ T903] addrconf_add_mroute+0x129/0x180 [ 2527.189219][ T903] addrconf_add_dev+0xe2/0x170 [ 2527.189219][ T903] inet6_addr_add+0x12f/0xa40 [ 2527.189219][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2527.189219][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.189219][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.189219][ T903] netlink_unicast+0x449/0x710 [ 2527.189219][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.189219][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.189219][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.189219][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.189219][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.189219][ T903] [ 2527.191346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2527.191346][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2527.191346][ T903] ipv6_find_idev+0x102/0x170 [ 2527.191346][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.191346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.191346][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.191346][ T903] netlink_unicast+0x449/0x710 [ 2527.191346][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.191346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.191346][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.191346][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.191346][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.191346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.191346][ T903] [ 2527.193029][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2527.193029][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2527.193029][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2527.193029][ T903] ipv6_find_idev+0x102/0x170 [ 2527.193029][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2527.193029][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2527.193029][ T903] netlink_rcv_skb+0x130/0x360 [ 2527.193029][ T903] netlink_unicast+0x449/0x710 [ 2527.193029][ T903] netlink_sendmsg+0x723/0xbe0 [ 2527.193029][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2527.193029][ T903] ___sys_sendmsg+0xee/0x170 [ 2527.193029][ T903] __sys_sendmsg+0xcd/0x170 [ 2527.193029][ T903] do_syscall_64+0xc6/0x1e0 [ 2527.193029][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2527.193029][ T903] [ 2537.437815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2537.438430][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2537.438430][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2537.438430][ T903] ip6_validate_gw+0x3eb/0x790 [ 2537.438430][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2537.438430][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2537.438430][ T903] ip6_route_add+0x1c/0x140 [ 2537.438430][ T903] inet6_rtm_newroute+0x104/0x110 [ 2537.438430][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.438430][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.438430][ T903] netlink_unicast+0x449/0x710 [ 2537.438430][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.438430][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.438430][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.438430][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.438430][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.438430][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.438430][ T903] [ 2537.440805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2537.440805][ T903] netdev_get_by_index+0x5e/0x80 [ 2537.440805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2537.440805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2537.440805][ T903] ip6_route_add+0x1c/0x140 [ 2537.440805][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2537.440805][ T903] inet6_addr_add+0x4f8/0xa40 [ 2537.440805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.440805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.440805][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.440805][ T903] netlink_unicast+0x449/0x710 [ 2537.440805][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.440805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.440805][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.440805][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.440805][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.440805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.440805][ T903] [ 2537.443164][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2537.443164][ T903] netdev_get_by_index+0x5e/0x80 [ 2537.443164][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2537.443164][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2537.443164][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2537.443164][ T903] ipv6_add_addr+0x411/0x2000 [ 2537.443164][ T903] inet6_addr_add+0x30e/0xa40 [ 2537.443164][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.443164][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.443164][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.443164][ T903] netlink_unicast+0x449/0x710 [ 2537.443164][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.443164][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.443164][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.443164][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.443164][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.443164][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.443164][ T903] [ 2537.445515][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2537.445515][ T903] netdev_get_by_index+0x5e/0x80 [ 2537.445515][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2537.445515][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2537.445515][ T903] ip6_route_add+0x1c/0x140 [ 2537.445515][ T903] addrconf_add_mroute+0x129/0x180 [ 2537.445515][ T903] addrconf_add_dev+0xe2/0x170 [ 2537.445515][ T903] inet6_addr_add+0x12f/0xa40 [ 2537.445515][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2537.445515][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.445515][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.445515][ T903] netlink_unicast+0x449/0x710 [ 2537.445515][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.445515][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.445515][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.445515][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.445515][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.445515][ T903] [ 2537.447759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2537.447759][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2537.447759][ T903] ipv6_find_idev+0x102/0x170 [ 2537.447759][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.447759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.447759][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.447759][ T903] netlink_unicast+0x449/0x710 [ 2537.447759][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.447759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.447759][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.447759][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.447759][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.447759][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.447759][ T903] [ 2537.449537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2537.449537][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2537.449537][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2537.449537][ T903] ipv6_find_idev+0x102/0x170 [ 2537.449537][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2537.449537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2537.449537][ T903] netlink_rcv_skb+0x130/0x360 [ 2537.449537][ T903] netlink_unicast+0x449/0x710 [ 2537.449537][ T903] netlink_sendmsg+0x723/0xbe0 [ 2537.449537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2537.449537][ T903] ___sys_sendmsg+0xee/0x170 [ 2537.449537][ T903] __sys_sendmsg+0xcd/0x170 [ 2537.449537][ T903] do_syscall_64+0xc6/0x1e0 [ 2537.449537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2537.449537][ T903] [ 2547.701840][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2547.702331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2547.702331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2547.702331][ T903] ip6_validate_gw+0x3eb/0x790 [ 2547.702331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2547.702331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2547.702331][ T903] ip6_route_add+0x1c/0x140 [ 2547.702331][ T903] inet6_rtm_newroute+0x104/0x110 [ 2547.702331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.702331][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.702331][ T903] netlink_unicast+0x449/0x710 [ 2547.702331][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.702331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.702331][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.702331][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.702331][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.702331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.702331][ T903] [ 2547.704528][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2547.704528][ T903] netdev_get_by_index+0x5e/0x80 [ 2547.704528][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2547.704528][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2547.704528][ T903] ip6_route_add+0x1c/0x140 [ 2547.704528][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2547.704528][ T903] inet6_addr_add+0x4f8/0xa40 [ 2547.704528][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.704528][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.704528][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.704528][ T903] netlink_unicast+0x449/0x710 [ 2547.704528][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.704528][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.704528][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.704528][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.704528][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.704528][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.704528][ T903] [ 2547.706836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2547.706836][ T903] netdev_get_by_index+0x5e/0x80 [ 2547.706836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2547.706836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2547.706836][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2547.706836][ T903] ipv6_add_addr+0x411/0x2000 [ 2547.706836][ T903] inet6_addr_add+0x30e/0xa40 [ 2547.706836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.706836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.706836][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.706836][ T903] netlink_unicast+0x449/0x710 [ 2547.706836][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.706836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.706836][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.706836][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.706836][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.706836][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.706836][ T903] [ 2547.709189][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2547.709189][ T903] netdev_get_by_index+0x5e/0x80 [ 2547.709189][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2547.709189][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2547.709189][ T903] ip6_route_add+0x1c/0x140 [ 2547.709189][ T903] addrconf_add_mroute+0x129/0x180 [ 2547.709189][ T903] addrconf_add_dev+0xe2/0x170 [ 2547.709189][ T903] inet6_addr_add+0x12f/0xa40 [ 2547.709189][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2547.709189][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.709189][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.709189][ T903] netlink_unicast+0x449/0x710 [ 2547.709189][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.709189][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.709189][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.709189][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.709189][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.709189][ T903] [ 2547.711455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2547.711455][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2547.711455][ T903] ipv6_find_idev+0x102/0x170 [ 2547.711455][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.711455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.711455][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.711455][ T903] netlink_unicast+0x449/0x710 [ 2547.711455][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.711455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.711455][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.711455][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.711455][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.711455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.711455][ T903] [ 2547.713189][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2547.713189][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2547.713189][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2547.713189][ T903] ipv6_find_idev+0x102/0x170 [ 2547.713189][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2547.713189][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2547.713189][ T903] netlink_rcv_skb+0x130/0x360 [ 2547.713189][ T903] netlink_unicast+0x449/0x710 [ 2547.713189][ T903] netlink_sendmsg+0x723/0xbe0 [ 2547.713189][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2547.713189][ T903] ___sys_sendmsg+0xee/0x170 [ 2547.713189][ T903] __sys_sendmsg+0xcd/0x170 [ 2547.713189][ T903] do_syscall_64+0xc6/0x1e0 [ 2547.713189][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2547.713189][ T903] [ 2557.957872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2557.958466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2557.958466][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2557.958466][ T903] ip6_validate_gw+0x3eb/0x790 [ 2557.958466][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2557.958466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2557.958466][ T903] ip6_route_add+0x1c/0x140 [ 2557.958466][ T903] inet6_rtm_newroute+0x104/0x110 [ 2557.958466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.958466][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.958466][ T903] netlink_unicast+0x449/0x710 [ 2557.958466][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.958466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.958466][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.958466][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.958466][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.958466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2557.958466][ T903] [ 2557.960574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2557.960574][ T903] netdev_get_by_index+0x5e/0x80 [ 2557.960574][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2557.960574][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2557.960574][ T903] ip6_route_add+0x1c/0x140 [ 2557.960574][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2557.960574][ T903] inet6_addr_add+0x4f8/0xa40 [ 2557.960574][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2557.960574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.960574][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.960574][ T903] netlink_unicast+0x449/0x710 [ 2557.960574][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.960574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.960574][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.960574][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.960574][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.960574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2557.960574][ T903] [ 2557.962828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2557.962828][ T903] netdev_get_by_index+0x5e/0x80 [ 2557.962828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2557.962828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2557.962828][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2557.962828][ T903] ipv6_add_addr+0x411/0x2000 [ 2557.962828][ T903] inet6_addr_add+0x30e/0xa40 [ 2557.962828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2557.962828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.962828][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.962828][ T903] netlink_unicast+0x449/0x710 [ 2557.962828][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.962828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.962828][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.962828][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.962828][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.962828][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2557.962828][ T903] [ 2557.965018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2557.965018][ T903] netdev_get_by_index+0x5e/0x80 [ 2557.965018][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2557.965018][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2557.965018][ T903] ip6_route_add+0x1c/0x140 [ 2557.965018][ T903] addrconf_add_mroute+0x129/0x180 [ 2557.965018][ T903] addrconf_add_dev+0xe2/0x170 [ 2557.965018][ T903] inet6_addr_add+0x12f/0xa40 [ 2557.965018][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2557.965018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.965018][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.965018][ T903] netlink_unicast+0x449/0x710 [ 2557.965018][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.965018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.965018][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.965018][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.965018][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.965018][ T903] [ 2557.967209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2557.967209][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2557.967209][ T903] ipv6_find_idev+0x102/0x170 [ 2557.967209][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2557.967209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.967209][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.967209][ T903] netlink_unicast+0x449/0x710 [ 2557.967209][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.967209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.967209][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.967209][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.967209][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.967209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2557.967209][ T903] [ 2557.968928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2557.968928][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2557.968928][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2557.968928][ T903] ipv6_find_idev+0x102/0x170 [ 2557.968928][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2557.968928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2557.968928][ T903] netlink_rcv_skb+0x130/0x360 [ 2557.968928][ T903] netlink_unicast+0x449/0x710 [ 2557.968928][ T903] netlink_sendmsg+0x723/0xbe0 [ 2557.968928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2557.968928][ T903] ___sys_sendmsg+0xee/0x170 [ 2557.968928][ T903] __sys_sendmsg+0xcd/0x170 [ 2557.968928][ T903] do_syscall_64+0xc6/0x1e0 [ 2557.968928][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2557.968928][ T903] [ 2567.974004][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2567.974618][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2567.974618][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2567.974618][ T903] ip6_validate_gw+0x3eb/0x790 [ 2567.974618][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2567.974618][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2567.974618][ T903] ip6_route_add+0x1c/0x140 [ 2567.974618][ T903] inet6_rtm_newroute+0x104/0x110 [ 2567.974618][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.974618][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.974618][ T903] netlink_unicast+0x449/0x710 [ 2567.974618][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.974618][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.974618][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.974618][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.974618][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.974618][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.974618][ T903] [ 2567.976695][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2567.976695][ T903] netdev_get_by_index+0x5e/0x80 [ 2567.976695][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2567.976695][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2567.976695][ T903] ip6_route_add+0x1c/0x140 [ 2567.976695][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2567.976695][ T903] inet6_addr_add+0x4f8/0xa40 [ 2567.976695][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.976695][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.976695][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.976695][ T903] netlink_unicast+0x449/0x710 [ 2567.976695][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.976695][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.976695][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.976695][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.976695][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.976695][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.976695][ T903] [ 2567.978881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2567.978881][ T903] netdev_get_by_index+0x5e/0x80 [ 2567.978881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2567.978881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2567.978881][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2567.978881][ T903] ipv6_add_addr+0x411/0x2000 [ 2567.978881][ T903] inet6_addr_add+0x30e/0xa40 [ 2567.978881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.978881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.978881][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.978881][ T903] netlink_unicast+0x449/0x710 [ 2567.978881][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.978881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.978881][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.978881][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.978881][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.978881][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.978881][ T903] [ 2567.981077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2567.981077][ T903] netdev_get_by_index+0x5e/0x80 [ 2567.981077][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2567.981077][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2567.981077][ T903] ip6_route_add+0x1c/0x140 [ 2567.981077][ T903] addrconf_add_mroute+0x129/0x180 [ 2567.981077][ T903] addrconf_add_dev+0xe2/0x170 [ 2567.981077][ T903] inet6_addr_add+0x12f/0xa40 [ 2567.981077][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.981077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.981077][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.981077][ T903] netlink_unicast+0x449/0x710 [ 2567.981077][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.981077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.981077][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.981077][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.981077][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.981077][ T903] [ 2567.983298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2567.983298][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2567.983298][ T903] ipv6_find_idev+0x102/0x170 [ 2567.983298][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2567.983298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.983298][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.983298][ T903] netlink_unicast+0x449/0x710 [ 2567.983298][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.983298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.983298][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.983298][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.983298][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.983298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.983298][ T903] [ 2567.985024][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2567.985024][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2567.985024][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2567.985024][ T903] ipv6_find_idev+0x102/0x170 [ 2567.985024][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2567.985024][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.985024][ T903] netlink_rcv_skb+0x130/0x360 [ 2567.985024][ T903] netlink_unicast+0x449/0x710 [ 2567.985024][ T903] netlink_sendmsg+0x723/0xbe0 [ 2567.985024][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2567.985024][ T903] ___sys_sendmsg+0xee/0x170 [ 2567.985024][ T903] __sys_sendmsg+0xcd/0x170 [ 2567.985024][ T903] do_syscall_64+0xc6/0x1e0 [ 2567.985024][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.985024][ T903] [ 2578.005880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2578.006467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2578.006467][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2578.006467][ T903] ip6_validate_gw+0x3eb/0x790 [ 2578.006467][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2578.006467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2578.006467][ T903] ip6_route_add+0x1c/0x140 [ 2578.006467][ T903] inet6_rtm_newroute+0x104/0x110 [ 2578.006467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.006467][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.006467][ T903] netlink_unicast+0x449/0x710 [ 2578.006467][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.006467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.006467][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.006467][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.006467][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.006467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.006467][ T903] [ 2578.008588][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2578.008588][ T903] netdev_get_by_index+0x5e/0x80 [ 2578.008588][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2578.008588][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2578.008588][ T903] ip6_route_add+0x1c/0x140 [ 2578.008588][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2578.008588][ T903] inet6_addr_add+0x4f8/0xa40 [ 2578.008588][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.008588][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.008588][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.008588][ T903] netlink_unicast+0x449/0x710 [ 2578.008588][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.008588][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.008588][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.008588][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.008588][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.008588][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.008588][ T903] [ 2578.010861][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2578.010861][ T903] netdev_get_by_index+0x5e/0x80 [ 2578.010861][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2578.010861][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2578.010861][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2578.010861][ T903] ipv6_add_addr+0x411/0x2000 [ 2578.010861][ T903] inet6_addr_add+0x30e/0xa40 [ 2578.010861][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.010861][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.010861][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.010861][ T903] netlink_unicast+0x449/0x710 [ 2578.010861][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.010861][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.010861][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.010861][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.010861][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.010861][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.010861][ T903] [ 2578.013104][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2578.013104][ T903] netdev_get_by_index+0x5e/0x80 [ 2578.013104][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2578.013104][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2578.013104][ T903] ip6_route_add+0x1c/0x140 [ 2578.013104][ T903] addrconf_add_mroute+0x129/0x180 [ 2578.013104][ T903] addrconf_add_dev+0xe2/0x170 [ 2578.013104][ T903] inet6_addr_add+0x12f/0xa40 [ 2578.013104][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2578.013104][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.013104][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.013104][ T903] netlink_unicast+0x449/0x710 [ 2578.013104][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.013104][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.013104][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.013104][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.013104][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.013104][ T903] [ 2578.015300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2578.015300][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2578.015300][ T903] ipv6_find_idev+0x102/0x170 [ 2578.015300][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.015300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.015300][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.015300][ T903] netlink_unicast+0x449/0x710 [ 2578.015300][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.015300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.015300][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.015300][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.015300][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.015300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.015300][ T903] [ 2578.016909][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2578.016909][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2578.016909][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2578.016909][ T903] ipv6_find_idev+0x102/0x170 [ 2578.016909][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2578.016909][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2578.016909][ T903] netlink_rcv_skb+0x130/0x360 [ 2578.016909][ T903] netlink_unicast+0x449/0x710 [ 2578.016909][ T903] netlink_sendmsg+0x723/0xbe0 [ 2578.016909][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2578.016909][ T903] ___sys_sendmsg+0xee/0x170 [ 2578.016909][ T903] __sys_sendmsg+0xcd/0x170 [ 2578.016909][ T903] do_syscall_64+0xc6/0x1e0 [ 2578.016909][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2578.016909][ T903] [ 2588.213903][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2588.214433][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2588.214433][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2588.214433][ T903] ip6_validate_gw+0x3eb/0x790 [ 2588.214433][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2588.214433][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2588.214433][ T903] ip6_route_add+0x1c/0x140 [ 2588.214433][ T903] inet6_rtm_newroute+0x104/0x110 [ 2588.214433][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.214433][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.214433][ T903] netlink_unicast+0x449/0x710 [ 2588.214433][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.214433][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.214433][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.214433][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.214433][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.214433][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.214433][ T903] [ 2588.216486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2588.216486][ T903] netdev_get_by_index+0x5e/0x80 [ 2588.216486][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2588.216486][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2588.216486][ T903] ip6_route_add+0x1c/0x140 [ 2588.216486][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2588.216486][ T903] inet6_addr_add+0x4f8/0xa40 [ 2588.216486][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.216486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.216486][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.216486][ T903] netlink_unicast+0x449/0x710 [ 2588.216486][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.216486][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.216486][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.216486][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.216486][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.216486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.216486][ T903] [ 2588.218570][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2588.218570][ T903] netdev_get_by_index+0x5e/0x80 [ 2588.218570][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2588.218570][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2588.218570][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2588.218570][ T903] ipv6_add_addr+0x411/0x2000 [ 2588.218570][ T903] inet6_addr_add+0x30e/0xa40 [ 2588.218570][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.218570][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.218570][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.218570][ T903] netlink_unicast+0x449/0x710 [ 2588.218570][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.218570][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.218570][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.218570][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.218570][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.218570][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.218570][ T903] [ 2588.220675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2588.220675][ T903] netdev_get_by_index+0x5e/0x80 [ 2588.220675][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2588.220675][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2588.220675][ T903] ip6_route_add+0x1c/0x140 [ 2588.220675][ T903] addrconf_add_mroute+0x129/0x180 [ 2588.220675][ T903] addrconf_add_dev+0xe2/0x170 [ 2588.220675][ T903] inet6_addr_add+0x12f/0xa40 [ 2588.220675][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2588.220675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.220675][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.220675][ T903] netlink_unicast+0x449/0x710 [ 2588.220675][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.220675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.220675][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.220675][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.220675][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.220675][ T903] [ 2588.222861][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2588.222861][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2588.222861][ T903] ipv6_find_idev+0x102/0x170 [ 2588.222861][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.222861][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.222861][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.222861][ T903] netlink_unicast+0x449/0x710 [ 2588.222861][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.222861][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.222861][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.222861][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.222861][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.222861][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.222861][ T903] [ 2588.224564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2588.224564][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2588.224564][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2588.224564][ T903] ipv6_find_idev+0x102/0x170 [ 2588.224564][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2588.224564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2588.224564][ T903] netlink_rcv_skb+0x130/0x360 [ 2588.224564][ T903] netlink_unicast+0x449/0x710 [ 2588.224564][ T903] netlink_sendmsg+0x723/0xbe0 [ 2588.224564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2588.224564][ T903] ___sys_sendmsg+0xee/0x170 [ 2588.224564][ T903] __sys_sendmsg+0xcd/0x170 [ 2588.224564][ T903] do_syscall_64+0xc6/0x1e0 [ 2588.224564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2588.224564][ T903] [ 2598.445868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2598.446395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2598.446395][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2598.446395][ T903] ip6_validate_gw+0x3eb/0x790 [ 2598.446395][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2598.446395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2598.446395][ T903] ip6_route_add+0x1c/0x140 [ 2598.446395][ T903] inet6_rtm_newroute+0x104/0x110 [ 2598.446395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.446395][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.446395][ T903] netlink_unicast+0x449/0x710 [ 2598.446395][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.446395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.446395][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.446395][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.446395][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.446395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2598.446395][ T903] [ 2598.448548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2598.448548][ T903] netdev_get_by_index+0x5e/0x80 [ 2598.448548][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2598.448548][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2598.448548][ T903] ip6_route_add+0x1c/0x140 [ 2598.448548][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2598.448548][ T903] inet6_addr_add+0x4f8/0xa40 [ 2598.448548][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2598.448548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.448548][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.448548][ T903] netlink_unicast+0x449/0x710 [ 2598.448548][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.448548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.448548][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.448548][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.448548][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.448548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2598.448548][ T903] [ 2598.450791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2598.450791][ T903] netdev_get_by_index+0x5e/0x80 [ 2598.450791][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2598.450791][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2598.450791][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2598.450791][ T903] ipv6_add_addr+0x411/0x2000 [ 2598.450791][ T903] inet6_addr_add+0x30e/0xa40 [ 2598.450791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2598.450791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.450791][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.450791][ T903] netlink_unicast+0x449/0x710 [ 2598.450791][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.450791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.450791][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.450791][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.450791][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.450791][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2598.450791][ T903] [ 2598.453014][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2598.453014][ T903] netdev_get_by_index+0x5e/0x80 [ 2598.453014][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2598.453014][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2598.453014][ T903] ip6_route_add+0x1c/0x140 [ 2598.453014][ T903] addrconf_add_mroute+0x129/0x180 [ 2598.453014][ T903] addrconf_add_dev+0xe2/0x170 [ 2598.453014][ T903] inet6_addr_add+0x12f/0xa40 [ 2598.453014][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2598.453014][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.453014][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.453014][ T903] netlink_unicast+0x449/0x710 [ 2598.453014][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.453014][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.453014][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.453014][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.453014][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.453014][ T903] [ 2598.455192][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2598.455192][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2598.455192][ T903] ipv6_find_idev+0x102/0x170 [ 2598.455192][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2598.455192][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.455192][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.455192][ T903] netlink_unicast+0x449/0x710 [ 2598.455192][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.455192][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.455192][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.455192][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.455192][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.455192][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2598.455192][ T903] [ 2598.456992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2598.456992][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2598.456992][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2598.456992][ T903] ipv6_find_idev+0x102/0x170 [ 2598.456992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2598.456992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2598.456992][ T903] netlink_rcv_skb+0x130/0x360 [ 2598.456992][ T903] netlink_unicast+0x449/0x710 [ 2598.456992][ T903] netlink_sendmsg+0x723/0xbe0 [ 2598.456992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2598.456992][ T903] ___sys_sendmsg+0xee/0x170 [ 2598.456992][ T903] __sys_sendmsg+0xcd/0x170 [ 2598.456992][ T903] do_syscall_64+0xc6/0x1e0 [ 2598.456992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2598.456992][ T903] [ 2608.709844][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2608.710377][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2608.710377][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2608.710377][ T903] ip6_validate_gw+0x3eb/0x790 [ 2608.710377][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2608.710377][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2608.710377][ T903] ip6_route_add+0x1c/0x140 [ 2608.710377][ T903] inet6_rtm_newroute+0x104/0x110 [ 2608.710377][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.710377][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.710377][ T903] netlink_unicast+0x449/0x710 [ 2608.710377][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.710377][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.710377][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.710377][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.710377][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.710377][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2608.710377][ T903] [ 2608.712435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2608.712435][ T903] netdev_get_by_index+0x5e/0x80 [ 2608.712435][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2608.712435][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2608.712435][ T903] ip6_route_add+0x1c/0x140 [ 2608.712435][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2608.712435][ T903] inet6_addr_add+0x4f8/0xa40 [ 2608.712435][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2608.712435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.712435][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.712435][ T903] netlink_unicast+0x449/0x710 [ 2608.712435][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.712435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.712435][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.712435][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.712435][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.712435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2608.712435][ T903] [ 2608.714565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2608.714565][ T903] netdev_get_by_index+0x5e/0x80 [ 2608.714565][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2608.714565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2608.714565][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2608.714565][ T903] ipv6_add_addr+0x411/0x2000 [ 2608.714565][ T903] inet6_addr_add+0x30e/0xa40 [ 2608.714565][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2608.714565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.714565][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.714565][ T903] netlink_unicast+0x449/0x710 [ 2608.714565][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.714565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.714565][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.714565][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.714565][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.714565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2608.714565][ T903] [ 2608.716647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2608.716647][ T903] netdev_get_by_index+0x5e/0x80 [ 2608.716647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2608.716647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2608.716647][ T903] ip6_route_add+0x1c/0x140 [ 2608.716647][ T903] addrconf_add_mroute+0x129/0x180 [ 2608.716647][ T903] addrconf_add_dev+0xe2/0x170 [ 2608.716647][ T903] inet6_addr_add+0x12f/0xa40 [ 2608.716647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2608.716647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.716647][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.716647][ T903] netlink_unicast+0x449/0x710 [ 2608.716647][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.716647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.716647][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.716647][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.716647][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.716647][ T903] [ 2608.718684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2608.718684][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2608.718684][ T903] ipv6_find_idev+0x102/0x170 [ 2608.718684][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2608.718684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.718684][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.718684][ T903] netlink_unicast+0x449/0x710 [ 2608.718684][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.718684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.718684][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.718684][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.718684][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.718684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2608.718684][ T903] [ 2608.720338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2608.720338][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2608.720338][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2608.720338][ T903] ipv6_find_idev+0x102/0x170 [ 2608.720338][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2608.720338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2608.720338][ T903] netlink_rcv_skb+0x130/0x360 [ 2608.720338][ T903] netlink_unicast+0x449/0x710 [ 2608.720338][ T903] netlink_sendmsg+0x723/0xbe0 [ 2608.720338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2608.720338][ T903] ___sys_sendmsg+0xee/0x170 [ 2608.720338][ T903] __sys_sendmsg+0xcd/0x170 [ 2608.720338][ T903] do_syscall_64+0xc6/0x1e0 [ 2608.720338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2608.720338][ T903] [ 2618.838026][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2618.838515][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2618.838515][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2618.838515][ T903] ip6_validate_gw+0x3eb/0x790 [ 2618.838515][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2618.838515][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2618.838515][ T903] ip6_route_add+0x1c/0x140 [ 2618.838515][ T903] inet6_rtm_newroute+0x104/0x110 [ 2618.838515][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.838515][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.838515][ T903] netlink_unicast+0x449/0x710 [ 2618.838515][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.838515][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.838515][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.838515][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.838515][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.838515][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.838515][ T903] [ 2618.840724][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2618.840724][ T903] netdev_get_by_index+0x5e/0x80 [ 2618.840724][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2618.840724][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2618.840724][ T903] ip6_route_add+0x1c/0x140 [ 2618.840724][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2618.840724][ T903] inet6_addr_add+0x4f8/0xa40 [ 2618.840724][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.840724][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.840724][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.840724][ T903] netlink_unicast+0x449/0x710 [ 2618.840724][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.840724][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.840724][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.840724][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.840724][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.840724][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.840724][ T903] [ 2618.842931][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2618.842931][ T903] netdev_get_by_index+0x5e/0x80 [ 2618.842931][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2618.842931][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2618.842931][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2618.842931][ T903] ipv6_add_addr+0x411/0x2000 [ 2618.842931][ T903] inet6_addr_add+0x30e/0xa40 [ 2618.842931][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.842931][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.842931][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.842931][ T903] netlink_unicast+0x449/0x710 [ 2618.842931][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.842931][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.842931][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.842931][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.842931][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.842931][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.842931][ T903] [ 2618.845201][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2618.845201][ T903] netdev_get_by_index+0x5e/0x80 [ 2618.845201][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2618.845201][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2618.845201][ T903] ip6_route_add+0x1c/0x140 [ 2618.845201][ T903] addrconf_add_mroute+0x129/0x180 [ 2618.845201][ T903] addrconf_add_dev+0xe2/0x170 [ 2618.845201][ T903] inet6_addr_add+0x12f/0xa40 [ 2618.845201][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.845201][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.845201][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.845201][ T903] netlink_unicast+0x449/0x710 [ 2618.845201][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.845201][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.845201][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.845201][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.845201][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.845201][ T903] [ 2618.847423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2618.847423][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2618.847423][ T903] ipv6_find_idev+0x102/0x170 [ 2618.847423][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2618.847423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.847423][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.847423][ T903] netlink_unicast+0x449/0x710 [ 2618.847423][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.847423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.847423][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.847423][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.847423][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.847423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.847423][ T903] [ 2618.849150][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2618.849150][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2618.849150][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2618.849150][ T903] ipv6_find_idev+0x102/0x170 [ 2618.849150][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2618.849150][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.849150][ T903] netlink_rcv_skb+0x130/0x360 [ 2618.849150][ T903] netlink_unicast+0x449/0x710 [ 2618.849150][ T903] netlink_sendmsg+0x723/0xbe0 [ 2618.849150][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2618.849150][ T903] ___sys_sendmsg+0xee/0x170 [ 2618.849150][ T903] __sys_sendmsg+0xcd/0x170 [ 2618.849150][ T903] do_syscall_64+0xc6/0x1e0 [ 2618.849150][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.849150][ T903] [ 2629.093882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2629.094583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2629.094583][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2629.094583][ T903] ip6_validate_gw+0x3eb/0x790 [ 2629.094583][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2629.094583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2629.094583][ T903] ip6_route_add+0x1c/0x140 [ 2629.094583][ T903] inet6_rtm_newroute+0x104/0x110 [ 2629.094583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.094583][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.094583][ T903] netlink_unicast+0x449/0x710 [ 2629.094583][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.094583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.094583][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.094583][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.094583][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.094583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.094583][ T903] [ 2629.096648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2629.096648][ T903] netdev_get_by_index+0x5e/0x80 [ 2629.096648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2629.096648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2629.096648][ T903] ip6_route_add+0x1c/0x140 [ 2629.096648][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2629.096648][ T903] inet6_addr_add+0x4f8/0xa40 [ 2629.096648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.096648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.096648][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.096648][ T903] netlink_unicast+0x449/0x710 [ 2629.096648][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.096648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.096648][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.096648][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.096648][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.096648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.096648][ T903] [ 2629.098822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2629.098822][ T903] netdev_get_by_index+0x5e/0x80 [ 2629.098822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2629.098822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2629.098822][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2629.098822][ T903] ipv6_add_addr+0x411/0x2000 [ 2629.098822][ T903] inet6_addr_add+0x30e/0xa40 [ 2629.098822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.098822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.098822][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.098822][ T903] netlink_unicast+0x449/0x710 [ 2629.098822][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.098822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.098822][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.098822][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.098822][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.098822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.098822][ T903] [ 2629.101028][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2629.101028][ T903] netdev_get_by_index+0x5e/0x80 [ 2629.101028][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2629.101028][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2629.101028][ T903] ip6_route_add+0x1c/0x140 [ 2629.101028][ T903] addrconf_add_mroute+0x129/0x180 [ 2629.101028][ T903] addrconf_add_dev+0xe2/0x170 [ 2629.101028][ T903] inet6_addr_add+0x12f/0xa40 [ 2629.101028][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2629.101028][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.101028][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.101028][ T903] netlink_unicast+0x449/0x710 [ 2629.101028][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.101028][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.101028][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.101028][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.101028][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.101028][ T903] [ 2629.103105][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2629.103105][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2629.103105][ T903] ipv6_find_idev+0x102/0x170 [ 2629.103105][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.103105][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.103105][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.103105][ T903] netlink_unicast+0x449/0x710 [ 2629.103105][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.103105][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.103105][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.103105][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.103105][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.103105][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.103105][ T903] [ 2629.104765][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2629.104765][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2629.104765][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2629.104765][ T903] ipv6_find_idev+0x102/0x170 [ 2629.104765][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2629.104765][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2629.104765][ T903] netlink_rcv_skb+0x130/0x360 [ 2629.104765][ T903] netlink_unicast+0x449/0x710 [ 2629.104765][ T903] netlink_sendmsg+0x723/0xbe0 [ 2629.104765][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2629.104765][ T903] ___sys_sendmsg+0xee/0x170 [ 2629.104765][ T903] __sys_sendmsg+0xcd/0x170 [ 2629.104765][ T903] do_syscall_64+0xc6/0x1e0 [ 2629.104765][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2629.104765][ T903] [ 2639.341920][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2639.342510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2639.342510][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2639.342510][ T903] ip6_validate_gw+0x3eb/0x790 [ 2639.342510][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2639.342510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2639.342510][ T903] ip6_route_add+0x1c/0x140 [ 2639.342510][ T903] inet6_rtm_newroute+0x104/0x110 [ 2639.342510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.342510][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.342510][ T903] netlink_unicast+0x449/0x710 [ 2639.342510][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.342510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.342510][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.342510][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.342510][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.342510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2639.342510][ T903] [ 2639.344628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2639.344628][ T903] netdev_get_by_index+0x5e/0x80 [ 2639.344628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2639.344628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2639.344628][ T903] ip6_route_add+0x1c/0x140 [ 2639.344628][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2639.344628][ T903] inet6_addr_add+0x4f8/0xa40 [ 2639.344628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2639.344628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.344628][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.344628][ T903] netlink_unicast+0x449/0x710 [ 2639.344628][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.344628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.344628][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.344628][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.344628][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.344628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2639.344628][ T903] [ 2639.346788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2639.346788][ T903] netdev_get_by_index+0x5e/0x80 [ 2639.346788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2639.346788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2639.346788][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2639.346788][ T903] ipv6_add_addr+0x411/0x2000 [ 2639.346788][ T903] inet6_addr_add+0x30e/0xa40 [ 2639.346788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2639.346788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.346788][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.346788][ T903] netlink_unicast+0x449/0x710 [ 2639.346788][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.346788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.346788][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.346788][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.346788][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.346788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2639.346788][ T903] [ 2639.348966][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2639.348966][ T903] netdev_get_by_index+0x5e/0x80 [ 2639.348966][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2639.348966][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2639.348966][ T903] ip6_route_add+0x1c/0x140 [ 2639.348966][ T903] addrconf_add_mroute+0x129/0x180 [ 2639.348966][ T903] addrconf_add_dev+0xe2/0x170 [ 2639.348966][ T903] inet6_addr_add+0x12f/0xa40 [ 2639.348966][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2639.348966][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.348966][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.348966][ T903] netlink_unicast+0x449/0x710 [ 2639.348966][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.348966][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.348966][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.348966][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.348966][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.348966][ T903] [ 2639.351120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2639.351120][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2639.351120][ T903] ipv6_find_idev+0x102/0x170 [ 2639.351120][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2639.351120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.351120][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.351120][ T903] netlink_unicast+0x449/0x710 [ 2639.351120][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.351120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.351120][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.351120][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.351120][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.351120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2639.351120][ T903] [ 2639.352795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2639.352795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2639.352795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2639.352795][ T903] ipv6_find_idev+0x102/0x170 [ 2639.352795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2639.352795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2639.352795][ T903] netlink_rcv_skb+0x130/0x360 [ 2639.352795][ T903] netlink_unicast+0x449/0x710 [ 2639.352795][ T903] netlink_sendmsg+0x723/0xbe0 [ 2639.352795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2639.352795][ T903] ___sys_sendmsg+0xee/0x170 [ 2639.352795][ T903] __sys_sendmsg+0xcd/0x170 [ 2639.352795][ T903] do_syscall_64+0xc6/0x1e0 [ 2639.352795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2639.352795][ T903] [ 2649.589871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2649.590497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2649.590497][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2649.590497][ T903] ip6_validate_gw+0x3eb/0x790 [ 2649.590497][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2649.590497][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2649.590497][ T903] ip6_route_add+0x1c/0x140 [ 2649.590497][ T903] inet6_rtm_newroute+0x104/0x110 [ 2649.590497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.590497][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.590497][ T903] netlink_unicast+0x449/0x710 [ 2649.590497][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.590497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.590497][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.590497][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.590497][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.590497][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2649.590497][ T903] [ 2649.592546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2649.592546][ T903] netdev_get_by_index+0x5e/0x80 [ 2649.592546][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2649.592546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2649.592546][ T903] ip6_route_add+0x1c/0x140 [ 2649.592546][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2649.592546][ T903] inet6_addr_add+0x4f8/0xa40 [ 2649.592546][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2649.592546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.592546][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.592546][ T903] netlink_unicast+0x449/0x710 [ 2649.592546][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.592546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.592546][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.592546][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.592546][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.592546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2649.592546][ T903] [ 2649.594844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2649.594844][ T903] netdev_get_by_index+0x5e/0x80 [ 2649.594844][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2649.594844][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2649.594844][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2649.594844][ T903] ipv6_add_addr+0x411/0x2000 [ 2649.594844][ T903] inet6_addr_add+0x30e/0xa40 [ 2649.594844][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2649.594844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.594844][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.594844][ T903] netlink_unicast+0x449/0x710 [ 2649.594844][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.594844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.594844][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.594844][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.594844][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.594844][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2649.594844][ T903] [ 2649.597043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2649.597043][ T903] netdev_get_by_index+0x5e/0x80 [ 2649.597043][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2649.597043][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2649.597043][ T903] ip6_route_add+0x1c/0x140 [ 2649.597043][ T903] addrconf_add_mroute+0x129/0x180 [ 2649.597043][ T903] addrconf_add_dev+0xe2/0x170 [ 2649.597043][ T903] inet6_addr_add+0x12f/0xa40 [ 2649.597043][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2649.597043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.597043][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.597043][ T903] netlink_unicast+0x449/0x710 [ 2649.597043][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.597043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.597043][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.597043][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.597043][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.597043][ T903] [ 2649.599156][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2649.599156][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2649.599156][ T903] ipv6_find_idev+0x102/0x170 [ 2649.599156][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2649.599156][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.599156][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.599156][ T903] netlink_unicast+0x449/0x710 [ 2649.599156][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.599156][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.599156][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.599156][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.599156][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.599156][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2649.599156][ T903] [ 2649.600991][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2649.600991][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2649.600991][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2649.600991][ T903] ipv6_find_idev+0x102/0x170 [ 2649.600991][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2649.600991][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2649.600991][ T903] netlink_rcv_skb+0x130/0x360 [ 2649.600991][ T903] netlink_unicast+0x449/0x710 [ 2649.600991][ T903] netlink_sendmsg+0x723/0xbe0 [ 2649.600991][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2649.600991][ T903] ___sys_sendmsg+0xee/0x170 [ 2649.600991][ T903] __sys_sendmsg+0xcd/0x170 [ 2649.600991][ T903] do_syscall_64+0xc6/0x1e0 [ 2649.600991][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2649.600991][ T903] [ 2659.838039][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2659.838601][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2659.838601][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2659.838601][ T903] ip6_validate_gw+0x3eb/0x790 [ 2659.838601][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2659.838601][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2659.838601][ T903] ip6_route_add+0x1c/0x140 [ 2659.838601][ T903] inet6_rtm_newroute+0x104/0x110 [ 2659.838601][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.838601][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.838601][ T903] netlink_unicast+0x449/0x710 [ 2659.838601][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.838601][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.838601][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.838601][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.838601][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.838601][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.838601][ T903] [ 2659.840760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2659.840760][ T903] netdev_get_by_index+0x5e/0x80 [ 2659.840760][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2659.840760][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2659.840760][ T903] ip6_route_add+0x1c/0x140 [ 2659.840760][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2659.840760][ T903] inet6_addr_add+0x4f8/0xa40 [ 2659.840760][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.840760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.840760][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.840760][ T903] netlink_unicast+0x449/0x710 [ 2659.840760][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.840760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.840760][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.840760][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.840760][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.840760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.840760][ T903] [ 2659.842925][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2659.842925][ T903] netdev_get_by_index+0x5e/0x80 [ 2659.842925][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2659.842925][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2659.842925][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2659.842925][ T903] ipv6_add_addr+0x411/0x2000 [ 2659.842925][ T903] inet6_addr_add+0x30e/0xa40 [ 2659.842925][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.842925][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.842925][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.842925][ T903] netlink_unicast+0x449/0x710 [ 2659.842925][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.842925][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.842925][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.842925][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.842925][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.842925][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.842925][ T903] [ 2659.845164][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2659.845164][ T903] netdev_get_by_index+0x5e/0x80 [ 2659.845164][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2659.845164][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2659.845164][ T903] ip6_route_add+0x1c/0x140 [ 2659.845164][ T903] addrconf_add_mroute+0x129/0x180 [ 2659.845164][ T903] addrconf_add_dev+0xe2/0x170 [ 2659.845164][ T903] inet6_addr_add+0x12f/0xa40 [ 2659.845164][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.845164][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.845164][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.845164][ T903] netlink_unicast+0x449/0x710 [ 2659.845164][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.845164][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.845164][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.845164][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.845164][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.845164][ T903] [ 2659.847350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2659.847350][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2659.847350][ T903] ipv6_find_idev+0x102/0x170 [ 2659.847350][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2659.847350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.847350][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.847350][ T903] netlink_unicast+0x449/0x710 [ 2659.847350][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.847350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.847350][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.847350][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.847350][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.847350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.847350][ T903] [ 2659.849067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2659.849067][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2659.849067][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2659.849067][ T903] ipv6_find_idev+0x102/0x170 [ 2659.849067][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2659.849067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.849067][ T903] netlink_rcv_skb+0x130/0x360 [ 2659.849067][ T903] netlink_unicast+0x449/0x710 [ 2659.849067][ T903] netlink_sendmsg+0x723/0xbe0 [ 2659.849067][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2659.849067][ T903] ___sys_sendmsg+0xee/0x170 [ 2659.849067][ T903] __sys_sendmsg+0xcd/0x170 [ 2659.849067][ T903] do_syscall_64+0xc6/0x1e0 [ 2659.849067][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.849067][ T903] [ 2670.093902][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2670.094439][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2670.094439][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2670.094439][ T903] ip6_validate_gw+0x3eb/0x790 [ 2670.094439][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2670.094439][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2670.094439][ T903] ip6_route_add+0x1c/0x140 [ 2670.094439][ T903] inet6_rtm_newroute+0x104/0x110 [ 2670.094439][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.094439][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.094439][ T903] netlink_unicast+0x449/0x710 [ 2670.094439][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.094439][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.094439][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.094439][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.094439][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.094439][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2670.094439][ T903] [ 2670.096577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2670.096577][ T903] netdev_get_by_index+0x5e/0x80 [ 2670.096577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2670.096577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2670.096577][ T903] ip6_route_add+0x1c/0x140 [ 2670.096577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2670.096577][ T903] inet6_addr_add+0x4f8/0xa40 [ 2670.096577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2670.096577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.096577][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.096577][ T903] netlink_unicast+0x449/0x710 [ 2670.096577][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.096577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.096577][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.096577][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.096577][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.096577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2670.096577][ T903] [ 2670.098761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2670.098761][ T903] netdev_get_by_index+0x5e/0x80 [ 2670.098761][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2670.098761][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2670.098761][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2670.098761][ T903] ipv6_add_addr+0x411/0x2000 [ 2670.098761][ T903] inet6_addr_add+0x30e/0xa40 [ 2670.098761][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2670.098761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.098761][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.098761][ T903] netlink_unicast+0x449/0x710 [ 2670.098761][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.098761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.098761][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.098761][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.098761][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.098761][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2670.098761][ T903] [ 2670.100957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2670.100957][ T903] netdev_get_by_index+0x5e/0x80 [ 2670.100957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2670.100957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2670.100957][ T903] ip6_route_add+0x1c/0x140 [ 2670.100957][ T903] addrconf_add_mroute+0x129/0x180 [ 2670.100957][ T903] addrconf_add_dev+0xe2/0x170 [ 2670.100957][ T903] inet6_addr_add+0x12f/0xa40 [ 2670.100957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2670.100957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.100957][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.100957][ T903] netlink_unicast+0x449/0x710 [ 2670.100957][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.100957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.100957][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.100957][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.100957][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.100957][ T903] [ 2670.103127][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2670.103127][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2670.103127][ T903] ipv6_find_idev+0x102/0x170 [ 2670.103127][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2670.103127][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.103127][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.103127][ T903] netlink_unicast+0x449/0x710 [ 2670.103127][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.103127][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.103127][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.103127][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.103127][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.103127][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2670.103127][ T903] [ 2670.104832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2670.104832][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2670.104832][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2670.104832][ T903] ipv6_find_idev+0x102/0x170 [ 2670.104832][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2670.104832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2670.104832][ T903] netlink_rcv_skb+0x130/0x360 [ 2670.104832][ T903] netlink_unicast+0x449/0x710 [ 2670.104832][ T903] netlink_sendmsg+0x723/0xbe0 [ 2670.104832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2670.104832][ T903] ___sys_sendmsg+0xee/0x170 [ 2670.104832][ T903] __sys_sendmsg+0xcd/0x170 [ 2670.104832][ T903] do_syscall_64+0xc6/0x1e0 [ 2670.104832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2670.104832][ T903] [ 2680.341818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2680.342391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2680.342391][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2680.342391][ T903] ip6_validate_gw+0x3eb/0x790 [ 2680.342391][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2680.342391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2680.342391][ T903] ip6_route_add+0x1c/0x140 [ 2680.342391][ T903] inet6_rtm_newroute+0x104/0x110 [ 2680.342391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.342391][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.342391][ T903] netlink_unicast+0x449/0x710 [ 2680.342391][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.342391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.342391][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.342391][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.342391][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.342391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2680.342391][ T903] [ 2680.344545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2680.344545][ T903] netdev_get_by_index+0x5e/0x80 [ 2680.344545][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2680.344545][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2680.344545][ T903] ip6_route_add+0x1c/0x140 [ 2680.344545][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2680.344545][ T903] inet6_addr_add+0x4f8/0xa40 [ 2680.344545][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2680.344545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.344545][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.344545][ T903] netlink_unicast+0x449/0x710 [ 2680.344545][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.344545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.344545][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.344545][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.344545][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.344545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2680.344545][ T903] [ 2680.346760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2680.346760][ T903] netdev_get_by_index+0x5e/0x80 [ 2680.346760][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2680.346760][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2680.346760][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2680.346760][ T903] ipv6_add_addr+0x411/0x2000 [ 2680.346760][ T903] inet6_addr_add+0x30e/0xa40 [ 2680.346760][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2680.346760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.346760][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.346760][ T903] netlink_unicast+0x449/0x710 [ 2680.346760][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.346760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.346760][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.346760][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.346760][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.346760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2680.346760][ T903] [ 2680.348984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2680.348984][ T903] netdev_get_by_index+0x5e/0x80 [ 2680.348984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2680.348984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2680.348984][ T903] ip6_route_add+0x1c/0x140 [ 2680.348984][ T903] addrconf_add_mroute+0x129/0x180 [ 2680.348984][ T903] addrconf_add_dev+0xe2/0x170 [ 2680.348984][ T903] inet6_addr_add+0x12f/0xa40 [ 2680.348984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2680.348984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.348984][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.348984][ T903] netlink_unicast+0x449/0x710 [ 2680.348984][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.348984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.348984][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.348984][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.348984][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.348984][ T903] [ 2680.351175][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2680.351175][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2680.351175][ T903] ipv6_find_idev+0x102/0x170 [ 2680.351175][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2680.351175][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.351175][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.351175][ T903] netlink_unicast+0x449/0x710 [ 2680.351175][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.351175][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.351175][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.351175][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.351175][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.351175][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2680.351175][ T903] [ 2680.352922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2680.352922][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2680.352922][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2680.352922][ T903] ipv6_find_idev+0x102/0x170 [ 2680.352922][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2680.352922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2680.352922][ T903] netlink_rcv_skb+0x130/0x360 [ 2680.352922][ T903] netlink_unicast+0x449/0x710 [ 2680.352922][ T903] netlink_sendmsg+0x723/0xbe0 [ 2680.352922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2680.352922][ T903] ___sys_sendmsg+0xee/0x170 [ 2680.352922][ T903] __sys_sendmsg+0xcd/0x170 [ 2680.352922][ T903] do_syscall_64+0xc6/0x1e0 [ 2680.352922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2680.352922][ T903] [ 2690.461804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2690.462332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2690.462332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2690.462332][ T903] ip6_validate_gw+0x3eb/0x790 [ 2690.462332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2690.462332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2690.462332][ T903] ip6_route_add+0x1c/0x140 [ 2690.462332][ T903] inet6_rtm_newroute+0x104/0x110 [ 2690.462332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.462332][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.462332][ T903] netlink_unicast+0x449/0x710 [ 2690.462332][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.462332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.462332][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.462332][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.462332][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.462332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2690.462332][ T903] [ 2690.464495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2690.464495][ T903] netdev_get_by_index+0x5e/0x80 [ 2690.464495][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2690.464495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2690.464495][ T903] ip6_route_add+0x1c/0x140 [ 2690.464495][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2690.464495][ T903] inet6_addr_add+0x4f8/0xa40 [ 2690.464495][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2690.464495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.464495][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.464495][ T903] netlink_unicast+0x449/0x710 [ 2690.464495][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.464495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.464495][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.464495][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.464495][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.464495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2690.464495][ T903] [ 2690.466731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2690.466731][ T903] netdev_get_by_index+0x5e/0x80 [ 2690.466731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2690.466731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2690.466731][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2690.466731][ T903] ipv6_add_addr+0x411/0x2000 [ 2690.466731][ T903] inet6_addr_add+0x30e/0xa40 [ 2690.466731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2690.466731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.466731][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.466731][ T903] netlink_unicast+0x449/0x710 [ 2690.466731][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.466731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.466731][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.466731][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.466731][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.466731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2690.466731][ T903] [ 2690.468984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2690.468984][ T903] netdev_get_by_index+0x5e/0x80 [ 2690.468984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2690.468984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2690.468984][ T903] ip6_route_add+0x1c/0x140 [ 2690.468984][ T903] addrconf_add_mroute+0x129/0x180 [ 2690.468984][ T903] addrconf_add_dev+0xe2/0x170 [ 2690.468984][ T903] inet6_addr_add+0x12f/0xa40 [ 2690.468984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2690.468984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.468984][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.468984][ T903] netlink_unicast+0x449/0x710 [ 2690.468984][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.468984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.468984][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.468984][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.468984][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.468984][ T903] [ 2690.471158][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2690.471158][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2690.471158][ T903] ipv6_find_idev+0x102/0x170 [ 2690.471158][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2690.471158][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.471158][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.471158][ T903] netlink_unicast+0x449/0x710 [ 2690.471158][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.471158][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.471158][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.471158][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.471158][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.471158][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2690.471158][ T903] [ 2690.472877][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2690.472877][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2690.472877][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2690.472877][ T903] ipv6_find_idev+0x102/0x170 [ 2690.472877][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2690.472877][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2690.472877][ T903] netlink_rcv_skb+0x130/0x360 [ 2690.472877][ T903] netlink_unicast+0x449/0x710 [ 2690.472877][ T903] netlink_sendmsg+0x723/0xbe0 [ 2690.472877][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2690.472877][ T903] ___sys_sendmsg+0xee/0x170 [ 2690.472877][ T903] __sys_sendmsg+0xcd/0x170 [ 2690.472877][ T903] do_syscall_64+0xc6/0x1e0 [ 2690.472877][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2690.472877][ T903] [ 2700.717805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2700.718247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2700.718247][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2700.718247][ T903] ip6_validate_gw+0x3eb/0x790 [ 2700.718247][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2700.718247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2700.718247][ T903] ip6_route_add+0x1c/0x140 [ 2700.718247][ T903] inet6_rtm_newroute+0x104/0x110 [ 2700.718247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.718247][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.718247][ T903] netlink_unicast+0x449/0x710 [ 2700.718247][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.718247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.718247][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.718247][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.718247][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.718247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.718247][ T903] [ 2700.720397][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2700.720397][ T903] netdev_get_by_index+0x5e/0x80 [ 2700.720397][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2700.720397][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2700.720397][ T903] ip6_route_add+0x1c/0x140 [ 2700.720397][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2700.720397][ T903] inet6_addr_add+0x4f8/0xa40 [ 2700.720397][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.720397][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.720397][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.720397][ T903] netlink_unicast+0x449/0x710 [ 2700.720397][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.720397][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.720397][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.720397][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.720397][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.720397][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.720397][ T903] [ 2700.722586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2700.722586][ T903] netdev_get_by_index+0x5e/0x80 [ 2700.722586][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2700.722586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2700.722586][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2700.722586][ T903] ipv6_add_addr+0x411/0x2000 [ 2700.722586][ T903] inet6_addr_add+0x30e/0xa40 [ 2700.722586][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.722586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.722586][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.722586][ T903] netlink_unicast+0x449/0x710 [ 2700.722586][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.722586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.722586][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.722586][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.722586][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.722586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.722586][ T903] [ 2700.724722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2700.724722][ T903] netdev_get_by_index+0x5e/0x80 [ 2700.724722][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2700.724722][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2700.724722][ T903] ip6_route_add+0x1c/0x140 [ 2700.724722][ T903] addrconf_add_mroute+0x129/0x180 [ 2700.724722][ T903] addrconf_add_dev+0xe2/0x170 [ 2700.724722][ T903] inet6_addr_add+0x12f/0xa40 [ 2700.724722][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.724722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.724722][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.724722][ T903] netlink_unicast+0x449/0x710 [ 2700.724722][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.724722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.724722][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.724722][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.724722][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.724722][ T903] [ 2700.726980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2700.726980][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2700.726980][ T903] ipv6_find_idev+0x102/0x170 [ 2700.726980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2700.726980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.726980][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.726980][ T903] netlink_unicast+0x449/0x710 [ 2700.726980][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.726980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.726980][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.726980][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.726980][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.726980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.726980][ T903] [ 2700.728681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2700.728681][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2700.728681][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2700.728681][ T903] ipv6_find_idev+0x102/0x170 [ 2700.728681][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2700.728681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.728681][ T903] netlink_rcv_skb+0x130/0x360 [ 2700.728681][ T903] netlink_unicast+0x449/0x710 [ 2700.728681][ T903] netlink_sendmsg+0x723/0xbe0 [ 2700.728681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2700.728681][ T903] ___sys_sendmsg+0xee/0x170 [ 2700.728681][ T903] __sys_sendmsg+0xcd/0x170 [ 2700.728681][ T903] do_syscall_64+0xc6/0x1e0 [ 2700.728681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.728681][ T903] [ 2710.749813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2710.750572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2710.750572][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2710.750572][ T903] ip6_validate_gw+0x3eb/0x790 [ 2710.750572][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2710.750572][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2710.750572][ T903] ip6_route_add+0x1c/0x140 [ 2710.750572][ T903] inet6_rtm_newroute+0x104/0x110 [ 2710.750572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.750572][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.750572][ T903] netlink_unicast+0x449/0x710 [ 2710.750572][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.750572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.750572][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.750572][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.750572][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.750572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.750572][ T903] [ 2710.752691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2710.752691][ T903] netdev_get_by_index+0x5e/0x80 [ 2710.752691][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2710.752691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2710.752691][ T903] ip6_route_add+0x1c/0x140 [ 2710.752691][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2710.752691][ T903] inet6_addr_add+0x4f8/0xa40 [ 2710.752691][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.752691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.752691][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.752691][ T903] netlink_unicast+0x449/0x710 [ 2710.752691][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.752691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.752691][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.752691][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.752691][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.752691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.752691][ T903] [ 2710.754865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2710.754865][ T903] netdev_get_by_index+0x5e/0x80 [ 2710.754865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2710.754865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2710.754865][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2710.754865][ T903] ipv6_add_addr+0x411/0x2000 [ 2710.754865][ T903] inet6_addr_add+0x30e/0xa40 [ 2710.754865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.754865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.754865][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.754865][ T903] netlink_unicast+0x449/0x710 [ 2710.754865][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.754865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.754865][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.754865][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.754865][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.754865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.754865][ T903] [ 2710.757037][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2710.757037][ T903] netdev_get_by_index+0x5e/0x80 [ 2710.757037][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2710.757037][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2710.757037][ T903] ip6_route_add+0x1c/0x140 [ 2710.757037][ T903] addrconf_add_mroute+0x129/0x180 [ 2710.757037][ T903] addrconf_add_dev+0xe2/0x170 [ 2710.757037][ T903] inet6_addr_add+0x12f/0xa40 [ 2710.757037][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.757037][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.757037][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.757037][ T903] netlink_unicast+0x449/0x710 [ 2710.757037][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.757037][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.757037][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.757037][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.757037][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.757037][ T903] [ 2710.759143][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2710.759143][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2710.759143][ T903] ipv6_find_idev+0x102/0x170 [ 2710.759143][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2710.759143][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.759143][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.759143][ T903] netlink_unicast+0x449/0x710 [ 2710.759143][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.759143][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.759143][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.759143][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.759143][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.759143][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.759143][ T903] [ 2710.760841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2710.760841][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2710.760841][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2710.760841][ T903] ipv6_find_idev+0x102/0x170 [ 2710.760841][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2710.760841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.760841][ T903] netlink_rcv_skb+0x130/0x360 [ 2710.760841][ T903] netlink_unicast+0x449/0x710 [ 2710.760841][ T903] netlink_sendmsg+0x723/0xbe0 [ 2710.760841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2710.760841][ T903] ___sys_sendmsg+0xee/0x170 [ 2710.760841][ T903] __sys_sendmsg+0xcd/0x170 [ 2710.760841][ T903] do_syscall_64+0xc6/0x1e0 [ 2710.760841][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.760841][ T903] [ 2721.013832][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2721.014339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2721.014339][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2721.014339][ T903] ip6_validate_gw+0x3eb/0x790 [ 2721.014339][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2721.014339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2721.014339][ T903] ip6_route_add+0x1c/0x140 [ 2721.014339][ T903] inet6_rtm_newroute+0x104/0x110 [ 2721.014339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.014339][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.014339][ T903] netlink_unicast+0x449/0x710 [ 2721.014339][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.014339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.014339][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.014339][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.014339][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.014339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2721.014339][ T903] [ 2721.016408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2721.016408][ T903] netdev_get_by_index+0x5e/0x80 [ 2721.016408][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2721.016408][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2721.016408][ T903] ip6_route_add+0x1c/0x140 [ 2721.016408][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2721.016408][ T903] inet6_addr_add+0x4f8/0xa40 [ 2721.016408][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2721.016408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.016408][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.016408][ T903] netlink_unicast+0x449/0x710 [ 2721.016408][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.016408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.016408][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.016408][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.016408][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.016408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2721.016408][ T903] [ 2721.018560][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2721.018560][ T903] netdev_get_by_index+0x5e/0x80 [ 2721.018560][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2721.018560][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2721.018560][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2721.018560][ T903] ipv6_add_addr+0x411/0x2000 [ 2721.018560][ T903] inet6_addr_add+0x30e/0xa40 [ 2721.018560][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2721.018560][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.018560][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.018560][ T903] netlink_unicast+0x449/0x710 [ 2721.018560][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.018560][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.018560][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.018560][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.018560][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.018560][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2721.018560][ T903] [ 2721.020788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2721.020788][ T903] netdev_get_by_index+0x5e/0x80 [ 2721.020788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2721.020788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2721.020788][ T903] ip6_route_add+0x1c/0x140 [ 2721.020788][ T903] addrconf_add_mroute+0x129/0x180 [ 2721.020788][ T903] addrconf_add_dev+0xe2/0x170 [ 2721.020788][ T903] inet6_addr_add+0x12f/0xa40 [ 2721.020788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2721.020788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.020788][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.020788][ T903] netlink_unicast+0x449/0x710 [ 2721.020788][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.020788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.020788][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.020788][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.020788][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.020788][ T903] [ 2721.022929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2721.022929][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2721.022929][ T903] ipv6_find_idev+0x102/0x170 [ 2721.022929][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2721.022929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.022929][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.022929][ T903] netlink_unicast+0x449/0x710 [ 2721.022929][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.022929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.022929][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.022929][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.022929][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.022929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2721.022929][ T903] [ 2721.024623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2721.024623][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2721.024623][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2721.024623][ T903] ipv6_find_idev+0x102/0x170 [ 2721.024623][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2721.024623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2721.024623][ T903] netlink_rcv_skb+0x130/0x360 [ 2721.024623][ T903] netlink_unicast+0x449/0x710 [ 2721.024623][ T903] netlink_sendmsg+0x723/0xbe0 [ 2721.024623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2721.024623][ T903] ___sys_sendmsg+0xee/0x170 [ 2721.024623][ T903] __sys_sendmsg+0xcd/0x170 [ 2721.024623][ T903] do_syscall_64+0xc6/0x1e0 [ 2721.024623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2721.024623][ T903] [ 2731.277870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2731.278475][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2731.278475][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2731.278475][ T903] ip6_validate_gw+0x3eb/0x790 [ 2731.278475][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2731.278475][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2731.278475][ T903] ip6_route_add+0x1c/0x140 [ 2731.278475][ T903] inet6_rtm_newroute+0x104/0x110 [ 2731.278475][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.278475][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.278475][ T903] netlink_unicast+0x449/0x710 [ 2731.278475][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.278475][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.278475][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.278475][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.278475][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.278475][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2731.278475][ T903] [ 2731.280584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2731.280584][ T903] netdev_get_by_index+0x5e/0x80 [ 2731.280584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2731.280584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2731.280584][ T903] ip6_route_add+0x1c/0x140 [ 2731.280584][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2731.280584][ T903] inet6_addr_add+0x4f8/0xa40 [ 2731.280584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2731.280584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.280584][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.280584][ T903] netlink_unicast+0x449/0x710 [ 2731.280584][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.280584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.280584][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.280584][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.280584][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.280584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2731.280584][ T903] [ 2731.282739][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2731.282739][ T903] netdev_get_by_index+0x5e/0x80 [ 2731.282739][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2731.282739][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2731.282739][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2731.282739][ T903] ipv6_add_addr+0x411/0x2000 [ 2731.282739][ T903] inet6_addr_add+0x30e/0xa40 [ 2731.282739][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2731.282739][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.282739][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.282739][ T903] netlink_unicast+0x449/0x710 [ 2731.282739][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.282739][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.282739][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.282739][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.282739][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.282739][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2731.282739][ T903] [ 2731.284916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2731.284916][ T903] netdev_get_by_index+0x5e/0x80 [ 2731.284916][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2731.284916][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2731.284916][ T903] ip6_route_add+0x1c/0x140 [ 2731.284916][ T903] addrconf_add_mroute+0x129/0x180 [ 2731.284916][ T903] addrconf_add_dev+0xe2/0x170 [ 2731.284916][ T903] inet6_addr_add+0x12f/0xa40 [ 2731.284916][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2731.284916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.284916][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.284916][ T903] netlink_unicast+0x449/0x710 [ 2731.284916][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.284916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.284916][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.284916][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.284916][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.284916][ T903] [ 2731.287056][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2731.287056][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2731.287056][ T903] ipv6_find_idev+0x102/0x170 [ 2731.287056][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2731.287056][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.287056][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.287056][ T903] netlink_unicast+0x449/0x710 [ 2731.287056][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.287056][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.287056][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.287056][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.287056][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.287056][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2731.287056][ T903] [ 2731.288698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2731.288698][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2731.288698][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2731.288698][ T903] ipv6_find_idev+0x102/0x170 [ 2731.288698][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2731.288698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2731.288698][ T903] netlink_rcv_skb+0x130/0x360 [ 2731.288698][ T903] netlink_unicast+0x449/0x710 [ 2731.288698][ T903] netlink_sendmsg+0x723/0xbe0 [ 2731.288698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2731.288698][ T903] ___sys_sendmsg+0xee/0x170 [ 2731.288698][ T903] __sys_sendmsg+0xcd/0x170 [ 2731.288698][ T903] do_syscall_64+0xc6/0x1e0 [ 2731.288698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2731.288698][ T903] [ 2741.533873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2741.534338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2741.534338][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2741.534338][ T903] ip6_validate_gw+0x3eb/0x790 [ 2741.534338][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2741.534338][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2741.534338][ T903] ip6_route_add+0x1c/0x140 [ 2741.534338][ T903] inet6_rtm_newroute+0x104/0x110 [ 2741.534338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.534338][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.534338][ T903] netlink_unicast+0x449/0x710 [ 2741.534338][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.534338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.534338][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.534338][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.534338][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.534338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.534338][ T903] [ 2741.536544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2741.536544][ T903] netdev_get_by_index+0x5e/0x80 [ 2741.536544][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2741.536544][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2741.536544][ T903] ip6_route_add+0x1c/0x140 [ 2741.536544][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2741.536544][ T903] inet6_addr_add+0x4f8/0xa40 [ 2741.536544][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.536544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.536544][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.536544][ T903] netlink_unicast+0x449/0x710 [ 2741.536544][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.536544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.536544][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.536544][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.536544][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.536544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.536544][ T903] [ 2741.538769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2741.538769][ T903] netdev_get_by_index+0x5e/0x80 [ 2741.538769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2741.538769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2741.538769][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2741.538769][ T903] ipv6_add_addr+0x411/0x2000 [ 2741.538769][ T903] inet6_addr_add+0x30e/0xa40 [ 2741.538769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.538769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.538769][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.538769][ T903] netlink_unicast+0x449/0x710 [ 2741.538769][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.538769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.538769][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.538769][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.538769][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.538769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.538769][ T903] [ 2741.541007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2741.541007][ T903] netdev_get_by_index+0x5e/0x80 [ 2741.541007][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2741.541007][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2741.541007][ T903] ip6_route_add+0x1c/0x140 [ 2741.541007][ T903] addrconf_add_mroute+0x129/0x180 [ 2741.541007][ T903] addrconf_add_dev+0xe2/0x170 [ 2741.541007][ T903] inet6_addr_add+0x12f/0xa40 [ 2741.541007][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.541007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.541007][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.541007][ T903] netlink_unicast+0x449/0x710 [ 2741.541007][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.541007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.541007][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.541007][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.541007][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.541007][ T903] [ 2741.543223][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2741.543223][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2741.543223][ T903] ipv6_find_idev+0x102/0x170 [ 2741.543223][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2741.543223][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.543223][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.543223][ T903] netlink_unicast+0x449/0x710 [ 2741.543223][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.543223][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.543223][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.543223][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.543223][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.543223][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.543223][ T903] [ 2741.544950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2741.544950][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2741.544950][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2741.544950][ T903] ipv6_find_idev+0x102/0x170 [ 2741.544950][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2741.544950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.544950][ T903] netlink_rcv_skb+0x130/0x360 [ 2741.544950][ T903] netlink_unicast+0x449/0x710 [ 2741.544950][ T903] netlink_sendmsg+0x723/0xbe0 [ 2741.544950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2741.544950][ T903] ___sys_sendmsg+0xee/0x170 [ 2741.544950][ T903] __sys_sendmsg+0xcd/0x170 [ 2741.544950][ T903] do_syscall_64+0xc6/0x1e0 [ 2741.544950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.544950][ T903] [ 2751.685950][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2751.686513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2751.686513][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2751.686513][ T903] ip6_validate_gw+0x3eb/0x790 [ 2751.686513][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2751.686513][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2751.686513][ T903] ip6_route_add+0x1c/0x140 [ 2751.686513][ T903] inet6_rtm_newroute+0x104/0x110 [ 2751.686513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.686513][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.686513][ T903] netlink_unicast+0x449/0x710 [ 2751.686513][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.686513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.686513][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.686513][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.686513][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.686513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.686513][ T903] [ 2751.688627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2751.688627][ T903] netdev_get_by_index+0x5e/0x80 [ 2751.688627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2751.688627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2751.688627][ T903] ip6_route_add+0x1c/0x140 [ 2751.688627][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2751.688627][ T903] inet6_addr_add+0x4f8/0xa40 [ 2751.688627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.688627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.688627][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.688627][ T903] netlink_unicast+0x449/0x710 [ 2751.688627][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.688627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.688627][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.688627][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.688627][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.688627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.688627][ T903] [ 2751.690783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2751.690783][ T903] netdev_get_by_index+0x5e/0x80 [ 2751.690783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2751.690783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2751.690783][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2751.690783][ T903] ipv6_add_addr+0x411/0x2000 [ 2751.690783][ T903] inet6_addr_add+0x30e/0xa40 [ 2751.690783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.690783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.690783][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.690783][ T903] netlink_unicast+0x449/0x710 [ 2751.690783][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.690783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.690783][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.690783][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.690783][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.690783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.690783][ T903] [ 2751.692941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2751.692941][ T903] netdev_get_by_index+0x5e/0x80 [ 2751.692941][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2751.692941][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2751.692941][ T903] ip6_route_add+0x1c/0x140 [ 2751.692941][ T903] addrconf_add_mroute+0x129/0x180 [ 2751.692941][ T903] addrconf_add_dev+0xe2/0x170 [ 2751.692941][ T903] inet6_addr_add+0x12f/0xa40 [ 2751.692941][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.692941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.692941][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.692941][ T903] netlink_unicast+0x449/0x710 [ 2751.692941][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.692941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.692941][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.692941][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.692941][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.692941][ T903] [ 2751.695122][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2751.695122][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2751.695122][ T903] ipv6_find_idev+0x102/0x170 [ 2751.695122][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2751.695122][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.695122][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.695122][ T903] netlink_unicast+0x449/0x710 [ 2751.695122][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.695122][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.695122][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.695122][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.695122][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.695122][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.695122][ T903] [ 2751.696759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2751.696759][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2751.696759][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2751.696759][ T903] ipv6_find_idev+0x102/0x170 [ 2751.696759][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2751.696759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.696759][ T903] netlink_rcv_skb+0x130/0x360 [ 2751.696759][ T903] netlink_unicast+0x449/0x710 [ 2751.696759][ T903] netlink_sendmsg+0x723/0xbe0 [ 2751.696759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2751.696759][ T903] ___sys_sendmsg+0xee/0x170 [ 2751.696759][ T903] __sys_sendmsg+0xcd/0x170 [ 2751.696759][ T903] do_syscall_64+0xc6/0x1e0 [ 2751.696759][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.696759][ T903] [ 2761.933917][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2761.934474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2761.934474][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2761.934474][ T903] ip6_validate_gw+0x3eb/0x790 [ 2761.934474][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2761.934474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2761.934474][ T903] ip6_route_add+0x1c/0x140 [ 2761.934474][ T903] inet6_rtm_newroute+0x104/0x110 [ 2761.934474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.934474][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.934474][ T903] netlink_unicast+0x449/0x710 [ 2761.934474][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.934474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.934474][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.934474][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.934474][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.934474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.934474][ T903] [ 2761.936528][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2761.936528][ T903] netdev_get_by_index+0x5e/0x80 [ 2761.936528][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2761.936528][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2761.936528][ T903] ip6_route_add+0x1c/0x140 [ 2761.936528][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2761.936528][ T903] inet6_addr_add+0x4f8/0xa40 [ 2761.936528][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.936528][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.936528][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.936528][ T903] netlink_unicast+0x449/0x710 [ 2761.936528][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.936528][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.936528][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.936528][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.936528][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.936528][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.936528][ T903] [ 2761.938623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2761.938623][ T903] netdev_get_by_index+0x5e/0x80 [ 2761.938623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2761.938623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2761.938623][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2761.938623][ T903] ipv6_add_addr+0x411/0x2000 [ 2761.938623][ T903] inet6_addr_add+0x30e/0xa40 [ 2761.938623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.938623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.938623][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.938623][ T903] netlink_unicast+0x449/0x710 [ 2761.938623][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.938623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.938623][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.938623][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.938623][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.938623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.938623][ T903] [ 2761.940856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2761.940856][ T903] netdev_get_by_index+0x5e/0x80 [ 2761.940856][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2761.940856][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2761.940856][ T903] ip6_route_add+0x1c/0x140 [ 2761.940856][ T903] addrconf_add_mroute+0x129/0x180 [ 2761.940856][ T903] addrconf_add_dev+0xe2/0x170 [ 2761.940856][ T903] inet6_addr_add+0x12f/0xa40 [ 2761.940856][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.940856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.940856][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.940856][ T903] netlink_unicast+0x449/0x710 [ 2761.940856][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.940856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.940856][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.940856][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.940856][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.940856][ T903] [ 2761.943053][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2761.943053][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2761.943053][ T903] ipv6_find_idev+0x102/0x170 [ 2761.943053][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2761.943053][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.943053][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.943053][ T903] netlink_unicast+0x449/0x710 [ 2761.943053][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.943053][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.943053][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.943053][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.943053][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.943053][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.943053][ T903] [ 2761.944773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2761.944773][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2761.944773][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2761.944773][ T903] ipv6_find_idev+0x102/0x170 [ 2761.944773][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2761.944773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.944773][ T903] netlink_rcv_skb+0x130/0x360 [ 2761.944773][ T903] netlink_unicast+0x449/0x710 [ 2761.944773][ T903] netlink_sendmsg+0x723/0xbe0 [ 2761.944773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2761.944773][ T903] ___sys_sendmsg+0xee/0x170 [ 2761.944773][ T903] __sys_sendmsg+0xcd/0x170 [ 2761.944773][ T903] do_syscall_64+0xc6/0x1e0 [ 2761.944773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.944773][ T903] [ 2772.189899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2772.190452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2772.190452][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2772.190452][ T903] ip6_validate_gw+0x3eb/0x790 [ 2772.190452][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2772.190452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2772.190452][ T903] ip6_route_add+0x1c/0x140 [ 2772.190452][ T903] inet6_rtm_newroute+0x104/0x110 [ 2772.190452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.190452][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.190452][ T903] netlink_unicast+0x449/0x710 [ 2772.190452][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.190452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.190452][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.190452][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.190452][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.190452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2772.190452][ T903] [ 2772.192459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2772.192459][ T903] netdev_get_by_index+0x5e/0x80 [ 2772.192459][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2772.192459][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2772.192459][ T903] ip6_route_add+0x1c/0x140 [ 2772.192459][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2772.192459][ T903] inet6_addr_add+0x4f8/0xa40 [ 2772.192459][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2772.192459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.192459][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.192459][ T903] netlink_unicast+0x449/0x710 [ 2772.192459][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.192459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.192459][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.192459][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.192459][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.192459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2772.192459][ T903] [ 2772.194572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2772.194572][ T903] netdev_get_by_index+0x5e/0x80 [ 2772.194572][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2772.194572][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2772.194572][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2772.194572][ T903] ipv6_add_addr+0x411/0x2000 [ 2772.194572][ T903] inet6_addr_add+0x30e/0xa40 [ 2772.194572][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2772.194572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.194572][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.194572][ T903] netlink_unicast+0x449/0x710 [ 2772.194572][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.194572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.194572][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.194572][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.194572][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.194572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2772.194572][ T903] [ 2772.196642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2772.196642][ T903] netdev_get_by_index+0x5e/0x80 [ 2772.196642][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2772.196642][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2772.196642][ T903] ip6_route_add+0x1c/0x140 [ 2772.196642][ T903] addrconf_add_mroute+0x129/0x180 [ 2772.196642][ T903] addrconf_add_dev+0xe2/0x170 [ 2772.196642][ T903] inet6_addr_add+0x12f/0xa40 [ 2772.196642][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2772.196642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.196642][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.196642][ T903] netlink_unicast+0x449/0x710 [ 2772.196642][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.196642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.196642][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.196642][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.196642][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.196642][ T903] [ 2772.198733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2772.198733][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2772.198733][ T903] ipv6_find_idev+0x102/0x170 [ 2772.198733][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2772.198733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.198733][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.198733][ T903] netlink_unicast+0x449/0x710 [ 2772.198733][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.198733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.198733][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.198733][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.198733][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.198733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2772.198733][ T903] [ 2772.200481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2772.200481][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2772.200481][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2772.200481][ T903] ipv6_find_idev+0x102/0x170 [ 2772.200481][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2772.200481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2772.200481][ T903] netlink_rcv_skb+0x130/0x360 [ 2772.200481][ T903] netlink_unicast+0x449/0x710 [ 2772.200481][ T903] netlink_sendmsg+0x723/0xbe0 [ 2772.200481][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2772.200481][ T903] ___sys_sendmsg+0xee/0x170 [ 2772.200481][ T903] __sys_sendmsg+0xcd/0x170 [ 2772.200481][ T903] do_syscall_64+0xc6/0x1e0 [ 2772.200481][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2772.200481][ T903] [ 2782.397794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2782.398321][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2782.398321][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2782.398321][ T903] ip6_validate_gw+0x3eb/0x790 [ 2782.398321][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2782.398321][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2782.398321][ T903] ip6_route_add+0x1c/0x140 [ 2782.398321][ T903] inet6_rtm_newroute+0x104/0x110 [ 2782.398321][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.398321][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.398321][ T903] netlink_unicast+0x449/0x710 [ 2782.398321][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.398321][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.398321][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.398321][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.398321][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.398321][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2782.398321][ T903] [ 2782.400504][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2782.400504][ T903] netdev_get_by_index+0x5e/0x80 [ 2782.400504][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2782.400504][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2782.400504][ T903] ip6_route_add+0x1c/0x140 [ 2782.400504][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2782.400504][ T903] inet6_addr_add+0x4f8/0xa40 [ 2782.400504][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2782.400504][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.400504][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.400504][ T903] netlink_unicast+0x449/0x710 [ 2782.400504][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.400504][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.400504][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.400504][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.400504][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.400504][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2782.400504][ T903] [ 2782.402801][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2782.402801][ T903] netdev_get_by_index+0x5e/0x80 [ 2782.402801][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2782.402801][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2782.402801][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2782.402801][ T903] ipv6_add_addr+0x411/0x2000 [ 2782.402801][ T903] inet6_addr_add+0x30e/0xa40 [ 2782.402801][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2782.402801][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.402801][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.402801][ T903] netlink_unicast+0x449/0x710 [ 2782.402801][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.402801][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.402801][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.402801][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.402801][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.402801][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2782.402801][ T903] [ 2782.405000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2782.405000][ T903] netdev_get_by_index+0x5e/0x80 [ 2782.405000][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2782.405000][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2782.405000][ T903] ip6_route_add+0x1c/0x140 [ 2782.405000][ T903] addrconf_add_mroute+0x129/0x180 [ 2782.405000][ T903] addrconf_add_dev+0xe2/0x170 [ 2782.405000][ T903] inet6_addr_add+0x12f/0xa40 [ 2782.405000][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2782.405000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.405000][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.405000][ T903] netlink_unicast+0x449/0x710 [ 2782.405000][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.405000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.405000][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.405000][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.405000][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.405000][ T903] [ 2782.407204][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2782.407204][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2782.407204][ T903] ipv6_find_idev+0x102/0x170 [ 2782.407204][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2782.407204][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.407204][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.407204][ T903] netlink_unicast+0x449/0x710 [ 2782.407204][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.407204][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.407204][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.407204][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.407204][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.407204][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2782.407204][ T903] [ 2782.408964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2782.408964][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2782.408964][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2782.408964][ T903] ipv6_find_idev+0x102/0x170 [ 2782.408964][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2782.408964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2782.408964][ T903] netlink_rcv_skb+0x130/0x360 [ 2782.408964][ T903] netlink_unicast+0x449/0x710 [ 2782.408964][ T903] netlink_sendmsg+0x723/0xbe0 [ 2782.408964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2782.408964][ T903] ___sys_sendmsg+0xee/0x170 [ 2782.408964][ T903] __sys_sendmsg+0xcd/0x170 [ 2782.408964][ T903] do_syscall_64+0xc6/0x1e0 [ 2782.408964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2782.408964][ T903] [ 2792.837974][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2792.838447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2792.838447][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2792.838447][ T903] ip6_validate_gw+0x3eb/0x790 [ 2792.838447][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2792.838447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2792.838447][ T903] ip6_route_add+0x1c/0x140 [ 2792.838447][ T903] inet6_rtm_newroute+0x104/0x110 [ 2792.838447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.838447][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.838447][ T903] netlink_unicast+0x449/0x710 [ 2792.838447][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.838447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.838447][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.838447][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.838447][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.838447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2792.838447][ T903] [ 2792.840575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2792.840575][ T903] netdev_get_by_index+0x5e/0x80 [ 2792.840575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2792.840575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2792.840575][ T903] ip6_route_add+0x1c/0x140 [ 2792.840575][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2792.840575][ T903] inet6_addr_add+0x4f8/0xa40 [ 2792.840575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2792.840575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.840575][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.840575][ T903] netlink_unicast+0x449/0x710 [ 2792.840575][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.840575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.840575][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.840575][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.840575][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.840575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2792.840575][ T903] [ 2792.842796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2792.842796][ T903] netdev_get_by_index+0x5e/0x80 [ 2792.842796][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2792.842796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2792.842796][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2792.842796][ T903] ipv6_add_addr+0x411/0x2000 [ 2792.842796][ T903] inet6_addr_add+0x30e/0xa40 [ 2792.842796][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2792.842796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.842796][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.842796][ T903] netlink_unicast+0x449/0x710 [ 2792.842796][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.842796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.842796][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.842796][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.842796][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.842796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2792.842796][ T903] [ 2792.844987][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2792.844987][ T903] netdev_get_by_index+0x5e/0x80 [ 2792.844987][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2792.844987][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2792.844987][ T903] ip6_route_add+0x1c/0x140 [ 2792.844987][ T903] addrconf_add_mroute+0x129/0x180 [ 2792.844987][ T903] addrconf_add_dev+0xe2/0x170 [ 2792.844987][ T903] inet6_addr_add+0x12f/0xa40 [ 2792.844987][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2792.844987][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.844987][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.844987][ T903] netlink_unicast+0x449/0x710 [ 2792.844987][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.844987][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.844987][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.844987][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.844987][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.844987][ T903] [ 2792.847200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2792.847200][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2792.847200][ T903] ipv6_find_idev+0x102/0x170 [ 2792.847200][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2792.847200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.847200][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.847200][ T903] netlink_unicast+0x449/0x710 [ 2792.847200][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.847200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.847200][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.847200][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.847200][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.847200][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2792.847200][ T903] [ 2792.848925][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2792.848925][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2792.848925][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2792.848925][ T903] ipv6_find_idev+0x102/0x170 [ 2792.848925][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2792.848925][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2792.848925][ T903] netlink_rcv_skb+0x130/0x360 [ 2792.848925][ T903] netlink_unicast+0x449/0x710 [ 2792.848925][ T903] netlink_sendmsg+0x723/0xbe0 [ 2792.848925][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2792.848925][ T903] ___sys_sendmsg+0xee/0x170 [ 2792.848925][ T903] __sys_sendmsg+0xcd/0x170 [ 2792.848925][ T903] do_syscall_64+0xc6/0x1e0 [ 2792.848925][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2792.848925][ T903] [ 2803.093902][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2803.094484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2803.094484][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2803.094484][ T903] ip6_validate_gw+0x3eb/0x790 [ 2803.094484][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2803.094484][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2803.094484][ T903] ip6_route_add+0x1c/0x140 [ 2803.094484][ T903] inet6_rtm_newroute+0x104/0x110 [ 2803.094484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.094484][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.094484][ T903] netlink_unicast+0x449/0x710 [ 2803.094484][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.094484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.094484][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.094484][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.094484][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.094484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2803.094484][ T903] [ 2803.096565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2803.096565][ T903] netdev_get_by_index+0x5e/0x80 [ 2803.096565][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2803.096565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2803.096565][ T903] ip6_route_add+0x1c/0x140 [ 2803.096565][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2803.096565][ T903] inet6_addr_add+0x4f8/0xa40 [ 2803.096565][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2803.096565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.096565][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.096565][ T903] netlink_unicast+0x449/0x710 [ 2803.096565][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.096565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.096565][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.096565][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.096565][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.096565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2803.096565][ T903] [ 2803.098704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2803.098704][ T903] netdev_get_by_index+0x5e/0x80 [ 2803.098704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2803.098704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2803.098704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2803.098704][ T903] ipv6_add_addr+0x411/0x2000 [ 2803.098704][ T903] inet6_addr_add+0x30e/0xa40 [ 2803.098704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2803.098704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.098704][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.098704][ T903] netlink_unicast+0x449/0x710 [ 2803.098704][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.098704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.098704][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.098704][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.098704][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.098704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2803.098704][ T903] [ 2803.100873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2803.100873][ T903] netdev_get_by_index+0x5e/0x80 [ 2803.100873][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2803.100873][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2803.100873][ T903] ip6_route_add+0x1c/0x140 [ 2803.100873][ T903] addrconf_add_mroute+0x129/0x180 [ 2803.100873][ T903] addrconf_add_dev+0xe2/0x170 [ 2803.100873][ T903] inet6_addr_add+0x12f/0xa40 [ 2803.100873][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2803.100873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.100873][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.100873][ T903] netlink_unicast+0x449/0x710 [ 2803.100873][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.100873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.100873][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.100873][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.100873][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.100873][ T903] [ 2803.103023][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2803.103023][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2803.103023][ T903] ipv6_find_idev+0x102/0x170 [ 2803.103023][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2803.103023][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.103023][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.103023][ T903] netlink_unicast+0x449/0x710 [ 2803.103023][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.103023][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.103023][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.103023][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.103023][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.103023][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2803.103023][ T903] [ 2803.104703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2803.104703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2803.104703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2803.104703][ T903] ipv6_find_idev+0x102/0x170 [ 2803.104703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2803.104703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2803.104703][ T903] netlink_rcv_skb+0x130/0x360 [ 2803.104703][ T903] netlink_unicast+0x449/0x710 [ 2803.104703][ T903] netlink_sendmsg+0x723/0xbe0 [ 2803.104703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2803.104703][ T903] ___sys_sendmsg+0xee/0x170 [ 2803.104703][ T903] __sys_sendmsg+0xcd/0x170 [ 2803.104703][ T903] do_syscall_64+0xc6/0x1e0 [ 2803.104703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2803.104703][ T903] [ 2813.157881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2813.158538][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2813.158538][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2813.158538][ T903] ip6_validate_gw+0x3eb/0x790 [ 2813.158538][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2813.158538][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2813.158538][ T903] ip6_route_add+0x1c/0x140 [ 2813.158538][ T903] inet6_rtm_newroute+0x104/0x110 [ 2813.158538][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.158538][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.158538][ T903] netlink_unicast+0x449/0x710 [ 2813.158538][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.158538][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.158538][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.158538][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.158538][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.158538][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2813.158538][ T903] [ 2813.160658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2813.160658][ T903] netdev_get_by_index+0x5e/0x80 [ 2813.160658][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2813.160658][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2813.160658][ T903] ip6_route_add+0x1c/0x140 [ 2813.160658][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2813.160658][ T903] inet6_addr_add+0x4f8/0xa40 [ 2813.160658][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2813.160658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.160658][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.160658][ T903] netlink_unicast+0x449/0x710 [ 2813.160658][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.160658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.160658][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.160658][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.160658][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.160658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2813.160658][ T903] [ 2813.162908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2813.162908][ T903] netdev_get_by_index+0x5e/0x80 [ 2813.162908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2813.162908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2813.162908][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2813.162908][ T903] ipv6_add_addr+0x411/0x2000 [ 2813.162908][ T903] inet6_addr_add+0x30e/0xa40 [ 2813.162908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2813.162908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.162908][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.162908][ T903] netlink_unicast+0x449/0x710 [ 2813.162908][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.162908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.162908][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.162908][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.162908][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.162908][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2813.162908][ T903] [ 2813.165113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2813.165113][ T903] netdev_get_by_index+0x5e/0x80 [ 2813.165113][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2813.165113][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2813.165113][ T903] ip6_route_add+0x1c/0x140 [ 2813.165113][ T903] addrconf_add_mroute+0x129/0x180 [ 2813.165113][ T903] addrconf_add_dev+0xe2/0x170 [ 2813.165113][ T903] inet6_addr_add+0x12f/0xa40 [ 2813.165113][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2813.165113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.165113][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.165113][ T903] netlink_unicast+0x449/0x710 [ 2813.165113][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.165113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.165113][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.165113][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.165113][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.165113][ T903] [ 2813.167289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2813.167289][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2813.167289][ T903] ipv6_find_idev+0x102/0x170 [ 2813.167289][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2813.167289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.167289][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.167289][ T903] netlink_unicast+0x449/0x710 [ 2813.167289][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.167289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.167289][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.167289][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.167289][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.167289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2813.167289][ T903] [ 2813.169004][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2813.169004][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2813.169004][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2813.169004][ T903] ipv6_find_idev+0x102/0x170 [ 2813.169004][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2813.169004][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2813.169004][ T903] netlink_rcv_skb+0x130/0x360 [ 2813.169004][ T903] netlink_unicast+0x449/0x710 [ 2813.169004][ T903] netlink_sendmsg+0x723/0xbe0 [ 2813.169004][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2813.169004][ T903] ___sys_sendmsg+0xee/0x170 [ 2813.169004][ T903] __sys_sendmsg+0xcd/0x170 [ 2813.169004][ T903] do_syscall_64+0xc6/0x1e0 [ 2813.169004][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2813.169004][ T903] [ 2823.413899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2823.414622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2823.414622][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2823.414622][ T903] ip6_validate_gw+0x3eb/0x790 [ 2823.414622][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2823.414622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2823.414622][ T903] ip6_route_add+0x1c/0x140 [ 2823.414622][ T903] inet6_rtm_newroute+0x104/0x110 [ 2823.414622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.414622][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.414622][ T903] netlink_unicast+0x449/0x710 [ 2823.414622][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.414622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.414622][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.414622][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.414622][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.414622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2823.414622][ T903] [ 2823.416617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2823.416617][ T903] netdev_get_by_index+0x5e/0x80 [ 2823.416617][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2823.416617][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2823.416617][ T903] ip6_route_add+0x1c/0x140 [ 2823.416617][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2823.416617][ T903] inet6_addr_add+0x4f8/0xa40 [ 2823.416617][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2823.416617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.416617][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.416617][ T903] netlink_unicast+0x449/0x710 [ 2823.416617][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.416617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.416617][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.416617][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.416617][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.416617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2823.416617][ T903] [ 2823.418852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2823.418852][ T903] netdev_get_by_index+0x5e/0x80 [ 2823.418852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2823.418852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2823.418852][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2823.418852][ T903] ipv6_add_addr+0x411/0x2000 [ 2823.418852][ T903] inet6_addr_add+0x30e/0xa40 [ 2823.418852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2823.418852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.418852][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.418852][ T903] netlink_unicast+0x449/0x710 [ 2823.418852][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.418852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.418852][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.418852][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.418852][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.418852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2823.418852][ T903] [ 2823.421072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2823.421072][ T903] netdev_get_by_index+0x5e/0x80 [ 2823.421072][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2823.421072][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2823.421072][ T903] ip6_route_add+0x1c/0x140 [ 2823.421072][ T903] addrconf_add_mroute+0x129/0x180 [ 2823.421072][ T903] addrconf_add_dev+0xe2/0x170 [ 2823.421072][ T903] inet6_addr_add+0x12f/0xa40 [ 2823.421072][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2823.421072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.421072][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.421072][ T903] netlink_unicast+0x449/0x710 [ 2823.421072][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.421072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.421072][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.421072][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.421072][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.421072][ T903] [ 2823.423098][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2823.423098][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2823.423098][ T903] ipv6_find_idev+0x102/0x170 [ 2823.423098][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2823.423098][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.423098][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.423098][ T903] netlink_unicast+0x449/0x710 [ 2823.423098][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.423098][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.423098][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.423098][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.423098][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.423098][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2823.423098][ T903] [ 2823.424833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2823.424833][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2823.424833][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2823.424833][ T903] ipv6_find_idev+0x102/0x170 [ 2823.424833][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2823.424833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2823.424833][ T903] netlink_rcv_skb+0x130/0x360 [ 2823.424833][ T903] netlink_unicast+0x449/0x710 [ 2823.424833][ T903] netlink_sendmsg+0x723/0xbe0 [ 2823.424833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2823.424833][ T903] ___sys_sendmsg+0xee/0x170 [ 2823.424833][ T903] __sys_sendmsg+0xcd/0x170 [ 2823.424833][ T903] do_syscall_64+0xc6/0x1e0 [ 2823.424833][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2823.424833][ T903] [ 2833.493865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2833.494425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2833.494425][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2833.494425][ T903] ip6_validate_gw+0x3eb/0x790 [ 2833.494425][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2833.494425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2833.494425][ T903] ip6_route_add+0x1c/0x140 [ 2833.494425][ T903] inet6_rtm_newroute+0x104/0x110 [ 2833.494425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.494425][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.494425][ T903] netlink_unicast+0x449/0x710 [ 2833.494425][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.494425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.494425][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.494425][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.494425][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.494425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2833.494425][ T903] [ 2833.496531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2833.496531][ T903] netdev_get_by_index+0x5e/0x80 [ 2833.496531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2833.496531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2833.496531][ T903] ip6_route_add+0x1c/0x140 [ 2833.496531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2833.496531][ T903] inet6_addr_add+0x4f8/0xa40 [ 2833.496531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2833.496531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.496531][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.496531][ T903] netlink_unicast+0x449/0x710 [ 2833.496531][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.496531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.496531][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.496531][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.496531][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.496531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2833.496531][ T903] [ 2833.498789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2833.498789][ T903] netdev_get_by_index+0x5e/0x80 [ 2833.498789][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2833.498789][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2833.498789][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2833.498789][ T903] ipv6_add_addr+0x411/0x2000 [ 2833.498789][ T903] inet6_addr_add+0x30e/0xa40 [ 2833.498789][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2833.498789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.498789][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.498789][ T903] netlink_unicast+0x449/0x710 [ 2833.498789][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.498789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.498789][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.498789][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.498789][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.498789][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2833.498789][ T903] [ 2833.501017][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2833.501017][ T903] netdev_get_by_index+0x5e/0x80 [ 2833.501017][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2833.501017][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2833.501017][ T903] ip6_route_add+0x1c/0x140 [ 2833.501017][ T903] addrconf_add_mroute+0x129/0x180 [ 2833.501017][ T903] addrconf_add_dev+0xe2/0x170 [ 2833.501017][ T903] inet6_addr_add+0x12f/0xa40 [ 2833.501017][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2833.501017][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.501017][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.501017][ T903] netlink_unicast+0x449/0x710 [ 2833.501017][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.501017][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.501017][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.501017][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.501017][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.501017][ T903] [ 2833.503200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2833.503200][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2833.503200][ T903] ipv6_find_idev+0x102/0x170 [ 2833.503200][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2833.503200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.503200][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.503200][ T903] netlink_unicast+0x449/0x710 [ 2833.503200][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.503200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.503200][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.503200][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.503200][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.503200][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2833.503200][ T903] [ 2833.504910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2833.504910][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2833.504910][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2833.504910][ T903] ipv6_find_idev+0x102/0x170 [ 2833.504910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2833.504910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2833.504910][ T903] netlink_rcv_skb+0x130/0x360 [ 2833.504910][ T903] netlink_unicast+0x449/0x710 [ 2833.504910][ T903] netlink_sendmsg+0x723/0xbe0 [ 2833.504910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2833.504910][ T903] ___sys_sendmsg+0xee/0x170 [ 2833.504910][ T903] __sys_sendmsg+0xcd/0x170 [ 2833.504910][ T903] do_syscall_64+0xc6/0x1e0 [ 2833.504910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2833.504910][ T903] [ 2843.757805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2843.758271][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2843.758271][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2843.758271][ T903] ip6_validate_gw+0x3eb/0x790 [ 2843.758271][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2843.758271][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2843.758271][ T903] ip6_route_add+0x1c/0x140 [ 2843.758271][ T903] inet6_rtm_newroute+0x104/0x110 [ 2843.758271][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.758271][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.758271][ T903] netlink_unicast+0x449/0x710 [ 2843.758271][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.758271][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.758271][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.758271][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.758271][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.758271][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.758271][ T903] [ 2843.760418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2843.760418][ T903] netdev_get_by_index+0x5e/0x80 [ 2843.760418][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2843.760418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2843.760418][ T903] ip6_route_add+0x1c/0x140 [ 2843.760418][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2843.760418][ T903] inet6_addr_add+0x4f8/0xa40 [ 2843.760418][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.760418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.760418][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.760418][ T903] netlink_unicast+0x449/0x710 [ 2843.760418][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.760418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.760418][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.760418][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.760418][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.760418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.760418][ T903] [ 2843.762634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2843.762634][ T903] netdev_get_by_index+0x5e/0x80 [ 2843.762634][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2843.762634][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2843.762634][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2843.762634][ T903] ipv6_add_addr+0x411/0x2000 [ 2843.762634][ T903] inet6_addr_add+0x30e/0xa40 [ 2843.762634][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.762634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.762634][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.762634][ T903] netlink_unicast+0x449/0x710 [ 2843.762634][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.762634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.762634][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.762634][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.762634][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.762634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.762634][ T903] [ 2843.764889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2843.764889][ T903] netdev_get_by_index+0x5e/0x80 [ 2843.764889][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2843.764889][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2843.764889][ T903] ip6_route_add+0x1c/0x140 [ 2843.764889][ T903] addrconf_add_mroute+0x129/0x180 [ 2843.764889][ T903] addrconf_add_dev+0xe2/0x170 [ 2843.764889][ T903] inet6_addr_add+0x12f/0xa40 [ 2843.764889][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.764889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.764889][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.764889][ T903] netlink_unicast+0x449/0x710 [ 2843.764889][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.764889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.764889][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.764889][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.764889][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.764889][ T903] [ 2843.767061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2843.767061][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2843.767061][ T903] ipv6_find_idev+0x102/0x170 [ 2843.767061][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2843.767061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.767061][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.767061][ T903] netlink_unicast+0x449/0x710 [ 2843.767061][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.767061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.767061][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.767061][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.767061][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.767061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.767061][ T903] [ 2843.768771][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2843.768771][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2843.768771][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2843.768771][ T903] ipv6_find_idev+0x102/0x170 [ 2843.768771][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2843.768771][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.768771][ T903] netlink_rcv_skb+0x130/0x360 [ 2843.768771][ T903] netlink_unicast+0x449/0x710 [ 2843.768771][ T903] netlink_sendmsg+0x723/0xbe0 [ 2843.768771][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2843.768771][ T903] ___sys_sendmsg+0xee/0x170 [ 2843.768771][ T903] __sys_sendmsg+0xcd/0x170 [ 2843.768771][ T903] do_syscall_64+0xc6/0x1e0 [ 2843.768771][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.768771][ T903] [ 2853.845887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2853.846518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2853.846518][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2853.846518][ T903] ip6_validate_gw+0x3eb/0x790 [ 2853.846518][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2853.846518][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2853.846518][ T903] ip6_route_add+0x1c/0x140 [ 2853.846518][ T903] inet6_rtm_newroute+0x104/0x110 [ 2853.846518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.846518][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.846518][ T903] netlink_unicast+0x449/0x710 [ 2853.846518][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.846518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.846518][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.846518][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.846518][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.846518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.846518][ T903] [ 2853.848618][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2853.848618][ T903] netdev_get_by_index+0x5e/0x80 [ 2853.848618][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2853.848618][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2853.848618][ T903] ip6_route_add+0x1c/0x140 [ 2853.848618][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2853.848618][ T903] inet6_addr_add+0x4f8/0xa40 [ 2853.848618][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.848618][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.848618][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.848618][ T903] netlink_unicast+0x449/0x710 [ 2853.848618][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.848618][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.848618][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.848618][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.848618][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.848618][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.848618][ T903] [ 2853.850738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2853.850738][ T903] netdev_get_by_index+0x5e/0x80 [ 2853.850738][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2853.850738][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2853.850738][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2853.850738][ T903] ipv6_add_addr+0x411/0x2000 [ 2853.850738][ T903] inet6_addr_add+0x30e/0xa40 [ 2853.850738][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.850738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.850738][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.850738][ T903] netlink_unicast+0x449/0x710 [ 2853.850738][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.850738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.850738][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.850738][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.850738][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.850738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.850738][ T903] [ 2853.852996][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2853.852996][ T903] netdev_get_by_index+0x5e/0x80 [ 2853.852996][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2853.852996][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2853.852996][ T903] ip6_route_add+0x1c/0x140 [ 2853.852996][ T903] addrconf_add_mroute+0x129/0x180 [ 2853.852996][ T903] addrconf_add_dev+0xe2/0x170 [ 2853.852996][ T903] inet6_addr_add+0x12f/0xa40 [ 2853.852996][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.852996][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.852996][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.852996][ T903] netlink_unicast+0x449/0x710 [ 2853.852996][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.852996][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.852996][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.852996][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.852996][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.852996][ T903] [ 2853.855162][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2853.855162][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2853.855162][ T903] ipv6_find_idev+0x102/0x170 [ 2853.855162][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2853.855162][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.855162][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.855162][ T903] netlink_unicast+0x449/0x710 [ 2853.855162][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.855162][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.855162][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.855162][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.855162][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.855162][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.855162][ T903] [ 2853.856877][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2853.856877][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2853.856877][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2853.856877][ T903] ipv6_find_idev+0x102/0x170 [ 2853.856877][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2853.856877][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.856877][ T903] netlink_rcv_skb+0x130/0x360 [ 2853.856877][ T903] netlink_unicast+0x449/0x710 [ 2853.856877][ T903] netlink_sendmsg+0x723/0xbe0 [ 2853.856877][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2853.856877][ T903] ___sys_sendmsg+0xee/0x170 [ 2853.856877][ T903] __sys_sendmsg+0xcd/0x170 [ 2853.856877][ T903] do_syscall_64+0xc6/0x1e0 [ 2853.856877][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.856877][ T903] [ 2864.101960][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2864.102522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2864.102522][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2864.102522][ T903] ip6_validate_gw+0x3eb/0x790 [ 2864.102522][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2864.102522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2864.102522][ T903] ip6_route_add+0x1c/0x140 [ 2864.102522][ T903] inet6_rtm_newroute+0x104/0x110 [ 2864.102522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.102522][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.102522][ T903] netlink_unicast+0x449/0x710 [ 2864.102522][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.102522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.102522][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.102522][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.102522][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.102522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2864.102522][ T903] [ 2864.104540][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2864.104540][ T903] netdev_get_by_index+0x5e/0x80 [ 2864.104540][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2864.104540][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2864.104540][ T903] ip6_route_add+0x1c/0x140 [ 2864.104540][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2864.104540][ T903] inet6_addr_add+0x4f8/0xa40 [ 2864.104540][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2864.104540][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.104540][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.104540][ T903] netlink_unicast+0x449/0x710 [ 2864.104540][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.104540][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.104540][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.104540][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.104540][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.104540][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2864.104540][ T903] [ 2864.106599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2864.106599][ T903] netdev_get_by_index+0x5e/0x80 [ 2864.106599][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2864.106599][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2864.106599][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2864.106599][ T903] ipv6_add_addr+0x411/0x2000 [ 2864.106599][ T903] inet6_addr_add+0x30e/0xa40 [ 2864.106599][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2864.106599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.106599][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.106599][ T903] netlink_unicast+0x449/0x710 [ 2864.106599][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.106599][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.106599][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.106599][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.106599][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.106599][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2864.106599][ T903] [ 2864.108722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2864.108722][ T903] netdev_get_by_index+0x5e/0x80 [ 2864.108722][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2864.108722][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2864.108722][ T903] ip6_route_add+0x1c/0x140 [ 2864.108722][ T903] addrconf_add_mroute+0x129/0x180 [ 2864.108722][ T903] addrconf_add_dev+0xe2/0x170 [ 2864.108722][ T903] inet6_addr_add+0x12f/0xa40 [ 2864.108722][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2864.108722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.108722][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.108722][ T903] netlink_unicast+0x449/0x710 [ 2864.108722][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.108722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.108722][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.108722][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.108722][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.108722][ T903] [ 2864.110787][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2864.110787][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2864.110787][ T903] ipv6_find_idev+0x102/0x170 [ 2864.110787][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2864.110787][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.110787][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.110787][ T903] netlink_unicast+0x449/0x710 [ 2864.110787][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.110787][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.110787][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.110787][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.110787][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.110787][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2864.110787][ T903] [ 2864.112522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2864.112522][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2864.112522][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2864.112522][ T903] ipv6_find_idev+0x102/0x170 [ 2864.112522][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2864.112522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2864.112522][ T903] netlink_rcv_skb+0x130/0x360 [ 2864.112522][ T903] netlink_unicast+0x449/0x710 [ 2864.112522][ T903] netlink_sendmsg+0x723/0xbe0 [ 2864.112522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2864.112522][ T903] ___sys_sendmsg+0xee/0x170 [ 2864.112522][ T903] __sys_sendmsg+0xcd/0x170 [ 2864.112522][ T903] do_syscall_64+0xc6/0x1e0 [ 2864.112522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2864.112522][ T903] [ 2874.213850][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2874.214539][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2874.214539][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2874.214539][ T903] ip6_validate_gw+0x3eb/0x790 [ 2874.214539][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2874.214539][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2874.214539][ T903] ip6_route_add+0x1c/0x140 [ 2874.214539][ T903] inet6_rtm_newroute+0x104/0x110 [ 2874.214539][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.214539][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.214539][ T903] netlink_unicast+0x449/0x710 [ 2874.214539][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.214539][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.214539][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.214539][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.214539][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.214539][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2874.214539][ T903] [ 2874.216580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2874.216580][ T903] netdev_get_by_index+0x5e/0x80 [ 2874.216580][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2874.216580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2874.216580][ T903] ip6_route_add+0x1c/0x140 [ 2874.216580][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2874.216580][ T903] inet6_addr_add+0x4f8/0xa40 [ 2874.216580][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2874.216580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.216580][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.216580][ T903] netlink_unicast+0x449/0x710 [ 2874.216580][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.216580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.216580][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.216580][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.216580][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.216580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2874.216580][ T903] [ 2874.218679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2874.218679][ T903] netdev_get_by_index+0x5e/0x80 [ 2874.218679][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2874.218679][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2874.218679][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2874.218679][ T903] ipv6_add_addr+0x411/0x2000 [ 2874.218679][ T903] inet6_addr_add+0x30e/0xa40 [ 2874.218679][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2874.218679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.218679][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.218679][ T903] netlink_unicast+0x449/0x710 [ 2874.218679][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.218679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.218679][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.218679][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.218679][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.218679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2874.218679][ T903] [ 2874.220867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2874.220867][ T903] netdev_get_by_index+0x5e/0x80 [ 2874.220867][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2874.220867][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2874.220867][ T903] ip6_route_add+0x1c/0x140 [ 2874.220867][ T903] addrconf_add_mroute+0x129/0x180 [ 2874.220867][ T903] addrconf_add_dev+0xe2/0x170 [ 2874.220867][ T903] inet6_addr_add+0x12f/0xa40 [ 2874.220867][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2874.220867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.220867][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.220867][ T903] netlink_unicast+0x449/0x710 [ 2874.220867][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.220867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.220867][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.220867][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.220867][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.220867][ T903] [ 2874.223022][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2874.223022][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2874.223022][ T903] ipv6_find_idev+0x102/0x170 [ 2874.223022][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2874.223022][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.223022][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.223022][ T903] netlink_unicast+0x449/0x710 [ 2874.223022][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.223022][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.223022][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.223022][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.223022][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.223022][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2874.223022][ T903] [ 2874.224719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2874.224719][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2874.224719][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2874.224719][ T903] ipv6_find_idev+0x102/0x170 [ 2874.224719][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2874.224719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2874.224719][ T903] netlink_rcv_skb+0x130/0x360 [ 2874.224719][ T903] netlink_unicast+0x449/0x710 [ 2874.224719][ T903] netlink_sendmsg+0x723/0xbe0 [ 2874.224719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2874.224719][ T903] ___sys_sendmsg+0xee/0x170 [ 2874.224719][ T903] __sys_sendmsg+0xcd/0x170 [ 2874.224719][ T903] do_syscall_64+0xc6/0x1e0 [ 2874.224719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2874.224719][ T903] [ 2884.461876][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2884.462450][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2884.462450][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2884.462450][ T903] ip6_validate_gw+0x3eb/0x790 [ 2884.462450][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2884.462450][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2884.462450][ T903] ip6_route_add+0x1c/0x140 [ 2884.462450][ T903] inet6_rtm_newroute+0x104/0x110 [ 2884.462450][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.462450][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.462450][ T903] netlink_unicast+0x449/0x710 [ 2884.462450][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.462450][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.462450][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.462450][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.462450][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.462450][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.462450][ T903] [ 2884.464526][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2884.464526][ T903] netdev_get_by_index+0x5e/0x80 [ 2884.464526][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2884.464526][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2884.464526][ T903] ip6_route_add+0x1c/0x140 [ 2884.464526][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2884.464526][ T903] inet6_addr_add+0x4f8/0xa40 [ 2884.464526][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.464526][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.464526][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.464526][ T903] netlink_unicast+0x449/0x710 [ 2884.464526][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.464526][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.464526][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.464526][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.464526][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.464526][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.464526][ T903] [ 2884.466665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2884.466665][ T903] netdev_get_by_index+0x5e/0x80 [ 2884.466665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2884.466665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2884.466665][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2884.466665][ T903] ipv6_add_addr+0x411/0x2000 [ 2884.466665][ T903] inet6_addr_add+0x30e/0xa40 [ 2884.466665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.466665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.466665][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.466665][ T903] netlink_unicast+0x449/0x710 [ 2884.466665][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.466665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.466665][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.466665][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.466665][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.466665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.466665][ T903] [ 2884.468871][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2884.468871][ T903] netdev_get_by_index+0x5e/0x80 [ 2884.468871][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2884.468871][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2884.468871][ T903] ip6_route_add+0x1c/0x140 [ 2884.468871][ T903] addrconf_add_mroute+0x129/0x180 [ 2884.468871][ T903] addrconf_add_dev+0xe2/0x170 [ 2884.468871][ T903] inet6_addr_add+0x12f/0xa40 [ 2884.468871][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.468871][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.468871][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.468871][ T903] netlink_unicast+0x449/0x710 [ 2884.468871][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.468871][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.468871][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.468871][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.468871][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.468871][ T903] [ 2884.471078][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2884.471078][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2884.471078][ T903] ipv6_find_idev+0x102/0x170 [ 2884.471078][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2884.471078][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.471078][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.471078][ T903] netlink_unicast+0x449/0x710 [ 2884.471078][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.471078][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.471078][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.471078][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.471078][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.471078][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.471078][ T903] [ 2884.472824][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2884.472824][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2884.472824][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2884.472824][ T903] ipv6_find_idev+0x102/0x170 [ 2884.472824][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2884.472824][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.472824][ T903] netlink_rcv_skb+0x130/0x360 [ 2884.472824][ T903] netlink_unicast+0x449/0x710 [ 2884.472824][ T903] netlink_sendmsg+0x723/0xbe0 [ 2884.472824][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2884.472824][ T903] ___sys_sendmsg+0xee/0x170 [ 2884.472824][ T903] __sys_sendmsg+0xcd/0x170 [ 2884.472824][ T903] do_syscall_64+0xc6/0x1e0 [ 2884.472824][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.472824][ T903] [ 2894.717949][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2894.718571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2894.718571][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2894.718571][ T903] ip6_validate_gw+0x3eb/0x790 [ 2894.718571][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2894.718571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2894.718571][ T903] ip6_route_add+0x1c/0x140 [ 2894.718571][ T903] inet6_rtm_newroute+0x104/0x110 [ 2894.718571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.718571][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.718571][ T903] netlink_unicast+0x449/0x710 [ 2894.718571][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.718571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.718571][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.718571][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.718571][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.718571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.718571][ T903] [ 2894.720744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2894.720744][ T903] netdev_get_by_index+0x5e/0x80 [ 2894.720744][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2894.720744][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2894.720744][ T903] ip6_route_add+0x1c/0x140 [ 2894.720744][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2894.720744][ T903] inet6_addr_add+0x4f8/0xa40 [ 2894.720744][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.720744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.720744][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.720744][ T903] netlink_unicast+0x449/0x710 [ 2894.720744][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.720744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.720744][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.720744][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.720744][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.720744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.720744][ T903] [ 2894.722963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2894.722963][ T903] netdev_get_by_index+0x5e/0x80 [ 2894.722963][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2894.722963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2894.722963][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2894.722963][ T903] ipv6_add_addr+0x411/0x2000 [ 2894.722963][ T903] inet6_addr_add+0x30e/0xa40 [ 2894.722963][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.722963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.722963][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.722963][ T903] netlink_unicast+0x449/0x710 [ 2894.722963][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.722963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.722963][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.722963][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.722963][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.722963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.722963][ T903] [ 2894.725182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2894.725182][ T903] netdev_get_by_index+0x5e/0x80 [ 2894.725182][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2894.725182][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2894.725182][ T903] ip6_route_add+0x1c/0x140 [ 2894.725182][ T903] addrconf_add_mroute+0x129/0x180 [ 2894.725182][ T903] addrconf_add_dev+0xe2/0x170 [ 2894.725182][ T903] inet6_addr_add+0x12f/0xa40 [ 2894.725182][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.725182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.725182][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.725182][ T903] netlink_unicast+0x449/0x710 [ 2894.725182][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.725182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.725182][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.725182][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.725182][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.725182][ T903] [ 2894.727348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2894.727348][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2894.727348][ T903] ipv6_find_idev+0x102/0x170 [ 2894.727348][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2894.727348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.727348][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.727348][ T903] netlink_unicast+0x449/0x710 [ 2894.727348][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.727348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.727348][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.727348][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.727348][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.727348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.727348][ T903] [ 2894.729064][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2894.729064][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2894.729064][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2894.729064][ T903] ipv6_find_idev+0x102/0x170 [ 2894.729064][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2894.729064][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.729064][ T903] netlink_rcv_skb+0x130/0x360 [ 2894.729064][ T903] netlink_unicast+0x449/0x710 [ 2894.729064][ T903] netlink_sendmsg+0x723/0xbe0 [ 2894.729064][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2894.729064][ T903] ___sys_sendmsg+0xee/0x170 [ 2894.729064][ T903] __sys_sendmsg+0xcd/0x170 [ 2894.729064][ T903] do_syscall_64+0xc6/0x1e0 [ 2894.729064][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.729064][ T903] [ 2904.973857][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2904.974325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2904.974325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2904.974325][ T903] ip6_validate_gw+0x3eb/0x790 [ 2904.974325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2904.974325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2904.974325][ T903] ip6_route_add+0x1c/0x140 [ 2904.974325][ T903] inet6_rtm_newroute+0x104/0x110 [ 2904.974325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.974325][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.974325][ T903] netlink_unicast+0x449/0x710 [ 2904.974325][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.974325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.974325][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.974325][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.974325][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.974325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.974325][ T903] [ 2904.976358][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2904.976358][ T903] netdev_get_by_index+0x5e/0x80 [ 2904.976358][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2904.976358][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2904.976358][ T903] ip6_route_add+0x1c/0x140 [ 2904.976358][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2904.976358][ T903] inet6_addr_add+0x4f8/0xa40 [ 2904.976358][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.976358][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.976358][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.976358][ T903] netlink_unicast+0x449/0x710 [ 2904.976358][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.976358][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.976358][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.976358][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.976358][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.976358][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.976358][ T903] [ 2904.978514][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2904.978514][ T903] netdev_get_by_index+0x5e/0x80 [ 2904.978514][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2904.978514][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2904.978514][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2904.978514][ T903] ipv6_add_addr+0x411/0x2000 [ 2904.978514][ T903] inet6_addr_add+0x30e/0xa40 [ 2904.978514][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.978514][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.978514][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.978514][ T903] netlink_unicast+0x449/0x710 [ 2904.978514][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.978514][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.978514][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.978514][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.978514][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.978514][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.978514][ T903] [ 2904.980700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2904.980700][ T903] netdev_get_by_index+0x5e/0x80 [ 2904.980700][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2904.980700][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2904.980700][ T903] ip6_route_add+0x1c/0x140 [ 2904.980700][ T903] addrconf_add_mroute+0x129/0x180 [ 2904.980700][ T903] addrconf_add_dev+0xe2/0x170 [ 2904.980700][ T903] inet6_addr_add+0x12f/0xa40 [ 2904.980700][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.980700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.980700][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.980700][ T903] netlink_unicast+0x449/0x710 [ 2904.980700][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.980700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.980700][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.980700][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.980700][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.980700][ T903] [ 2904.982941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2904.982941][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2904.982941][ T903] ipv6_find_idev+0x102/0x170 [ 2904.982941][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2904.982941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.982941][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.982941][ T903] netlink_unicast+0x449/0x710 [ 2904.982941][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.982941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.982941][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.982941][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.982941][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.982941][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.982941][ T903] [ 2904.984813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2904.984813][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2904.984813][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2904.984813][ T903] ipv6_find_idev+0x102/0x170 [ 2904.984813][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2904.984813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.984813][ T903] netlink_rcv_skb+0x130/0x360 [ 2904.984813][ T903] netlink_unicast+0x449/0x710 [ 2904.984813][ T903] netlink_sendmsg+0x723/0xbe0 [ 2904.984813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2904.984813][ T903] ___sys_sendmsg+0xee/0x170 [ 2904.984813][ T903] __sys_sendmsg+0xcd/0x170 [ 2904.984813][ T903] do_syscall_64+0xc6/0x1e0 [ 2904.984813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.984813][ T903] [ 2915.093925][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2915.094372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2915.094372][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2915.094372][ T903] ip6_validate_gw+0x3eb/0x790 [ 2915.094372][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2915.094372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2915.094372][ T903] ip6_route_add+0x1c/0x140 [ 2915.094372][ T903] inet6_rtm_newroute+0x104/0x110 [ 2915.094372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.094372][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.094372][ T903] netlink_unicast+0x449/0x710 [ 2915.094372][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.094372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.094372][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.094372][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.094372][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.094372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2915.094372][ T903] [ 2915.096454][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2915.096454][ T903] netdev_get_by_index+0x5e/0x80 [ 2915.096454][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2915.096454][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2915.096454][ T903] ip6_route_add+0x1c/0x140 [ 2915.096454][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2915.096454][ T903] inet6_addr_add+0x4f8/0xa40 [ 2915.096454][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2915.096454][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.096454][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.096454][ T903] netlink_unicast+0x449/0x710 [ 2915.096454][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.096454][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.096454][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.096454][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.096454][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.096454][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2915.096454][ T903] [ 2915.098623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2915.098623][ T903] netdev_get_by_index+0x5e/0x80 [ 2915.098623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2915.098623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2915.098623][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2915.098623][ T903] ipv6_add_addr+0x411/0x2000 [ 2915.098623][ T903] inet6_addr_add+0x30e/0xa40 [ 2915.098623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2915.098623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.098623][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.098623][ T903] netlink_unicast+0x449/0x710 [ 2915.098623][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.098623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.098623][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.098623][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.098623][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.098623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2915.098623][ T903] [ 2915.100850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2915.100850][ T903] netdev_get_by_index+0x5e/0x80 [ 2915.100850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2915.100850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2915.100850][ T903] ip6_route_add+0x1c/0x140 [ 2915.100850][ T903] addrconf_add_mroute+0x129/0x180 [ 2915.100850][ T903] addrconf_add_dev+0xe2/0x170 [ 2915.100850][ T903] inet6_addr_add+0x12f/0xa40 [ 2915.100850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2915.100850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.100850][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.100850][ T903] netlink_unicast+0x449/0x710 [ 2915.100850][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.100850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.100850][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.100850][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.100850][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.100850][ T903] [ 2915.103020][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2915.103020][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2915.103020][ T903] ipv6_find_idev+0x102/0x170 [ 2915.103020][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2915.103020][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.103020][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.103020][ T903] netlink_unicast+0x449/0x710 [ 2915.103020][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.103020][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.103020][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.103020][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.103020][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.103020][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2915.103020][ T903] [ 2915.104709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2915.104709][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2915.104709][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2915.104709][ T903] ipv6_find_idev+0x102/0x170 [ 2915.104709][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2915.104709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2915.104709][ T903] netlink_rcv_skb+0x130/0x360 [ 2915.104709][ T903] netlink_unicast+0x449/0x710 [ 2915.104709][ T903] netlink_sendmsg+0x723/0xbe0 [ 2915.104709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2915.104709][ T903] ___sys_sendmsg+0xee/0x170 [ 2915.104709][ T903] __sys_sendmsg+0xcd/0x170 [ 2915.104709][ T903] do_syscall_64+0xc6/0x1e0 [ 2915.104709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2915.104709][ T903] [ 2925.349868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2925.350498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2925.350498][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2925.350498][ T903] ip6_validate_gw+0x3eb/0x790 [ 2925.350498][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2925.350498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2925.350498][ T903] ip6_route_add+0x1c/0x140 [ 2925.350498][ T903] inet6_rtm_newroute+0x104/0x110 [ 2925.350498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.350498][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.350498][ T903] netlink_unicast+0x449/0x710 [ 2925.350498][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.350498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.350498][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.350498][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.350498][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.350498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.350498][ T903] [ 2925.352534][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2925.352534][ T903] netdev_get_by_index+0x5e/0x80 [ 2925.352534][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2925.352534][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2925.352534][ T903] ip6_route_add+0x1c/0x140 [ 2925.352534][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2925.352534][ T903] inet6_addr_add+0x4f8/0xa40 [ 2925.352534][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.352534][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.352534][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.352534][ T903] netlink_unicast+0x449/0x710 [ 2925.352534][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.352534][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.352534][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.352534][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.352534][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.352534][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.352534][ T903] [ 2925.354679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2925.354679][ T903] netdev_get_by_index+0x5e/0x80 [ 2925.354679][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2925.354679][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2925.354679][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2925.354679][ T903] ipv6_add_addr+0x411/0x2000 [ 2925.354679][ T903] inet6_addr_add+0x30e/0xa40 [ 2925.354679][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.354679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.354679][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.354679][ T903] netlink_unicast+0x449/0x710 [ 2925.354679][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.354679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.354679][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.354679][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.354679][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.354679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.354679][ T903] [ 2925.356817][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2925.356817][ T903] netdev_get_by_index+0x5e/0x80 [ 2925.356817][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2925.356817][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2925.356817][ T903] ip6_route_add+0x1c/0x140 [ 2925.356817][ T903] addrconf_add_mroute+0x129/0x180 [ 2925.356817][ T903] addrconf_add_dev+0xe2/0x170 [ 2925.356817][ T903] inet6_addr_add+0x12f/0xa40 [ 2925.356817][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.356817][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.356817][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.356817][ T903] netlink_unicast+0x449/0x710 [ 2925.356817][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.356817][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.356817][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.356817][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.356817][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.356817][ T903] [ 2925.358967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2925.358967][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2925.358967][ T903] ipv6_find_idev+0x102/0x170 [ 2925.358967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2925.358967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.358967][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.358967][ T903] netlink_unicast+0x449/0x710 [ 2925.358967][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.358967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.358967][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.358967][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.358967][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.358967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.358967][ T903] [ 2925.360623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2925.360623][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2925.360623][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2925.360623][ T903] ipv6_find_idev+0x102/0x170 [ 2925.360623][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2925.360623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.360623][ T903] netlink_rcv_skb+0x130/0x360 [ 2925.360623][ T903] netlink_unicast+0x449/0x710 [ 2925.360623][ T903] netlink_sendmsg+0x723/0xbe0 [ 2925.360623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2925.360623][ T903] ___sys_sendmsg+0xee/0x170 [ 2925.360623][ T903] __sys_sendmsg+0xcd/0x170 [ 2925.360623][ T903] do_syscall_64+0xc6/0x1e0 [ 2925.360623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.360623][ T903] [ 2935.461796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2935.462289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2935.462289][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2935.462289][ T903] ip6_validate_gw+0x3eb/0x790 [ 2935.462289][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2935.462289][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2935.462289][ T903] ip6_route_add+0x1c/0x140 [ 2935.462289][ T903] inet6_rtm_newroute+0x104/0x110 [ 2935.462289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.462289][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.462289][ T903] netlink_unicast+0x449/0x710 [ 2935.462289][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.462289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.462289][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.462289][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.462289][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.462289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.462289][ T903] [ 2935.464627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2935.464627][ T903] netdev_get_by_index+0x5e/0x80 [ 2935.464627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2935.464627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2935.464627][ T903] ip6_route_add+0x1c/0x140 [ 2935.464627][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2935.464627][ T903] inet6_addr_add+0x4f8/0xa40 [ 2935.464627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.464627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.464627][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.464627][ T903] netlink_unicast+0x449/0x710 [ 2935.464627][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.464627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.464627][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.464627][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.464627][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.464627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.464627][ T903] [ 2935.467044][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2935.467044][ T903] netdev_get_by_index+0x5e/0x80 [ 2935.467044][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2935.467044][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2935.467044][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2935.467044][ T903] ipv6_add_addr+0x411/0x2000 [ 2935.467044][ T903] inet6_addr_add+0x30e/0xa40 [ 2935.467044][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.467044][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.467044][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.467044][ T903] netlink_unicast+0x449/0x710 [ 2935.467044][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.467044][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.467044][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.467044][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.467044][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.467044][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.467044][ T903] [ 2935.469417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2935.469417][ T903] netdev_get_by_index+0x5e/0x80 [ 2935.469417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2935.469417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2935.469417][ T903] ip6_route_add+0x1c/0x140 [ 2935.469417][ T903] addrconf_add_mroute+0x129/0x180 [ 2935.469417][ T903] addrconf_add_dev+0xe2/0x170 [ 2935.469417][ T903] inet6_addr_add+0x12f/0xa40 [ 2935.469417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.469417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.469417][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.469417][ T903] netlink_unicast+0x449/0x710 [ 2935.469417][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.469417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.469417][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.469417][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.469417][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.469417][ T903] [ 2935.471766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2935.471766][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2935.471766][ T903] ipv6_find_idev+0x102/0x170 [ 2935.471766][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2935.471766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.471766][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.471766][ T903] netlink_unicast+0x449/0x710 [ 2935.471766][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.471766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.471766][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.471766][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.471766][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.471766][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.471766][ T903] [ 2935.473617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2935.473617][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2935.473617][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2935.473617][ T903] ipv6_find_idev+0x102/0x170 [ 2935.473617][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2935.473617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.473617][ T903] netlink_rcv_skb+0x130/0x360 [ 2935.473617][ T903] netlink_unicast+0x449/0x710 [ 2935.473617][ T903] netlink_sendmsg+0x723/0xbe0 [ 2935.473617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2935.473617][ T903] ___sys_sendmsg+0xee/0x170 [ 2935.473617][ T903] __sys_sendmsg+0xcd/0x170 [ 2935.473617][ T903] do_syscall_64+0xc6/0x1e0 [ 2935.473617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.473617][ T903] [ 2945.717864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2945.718524][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2945.718524][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2945.718524][ T903] ip6_validate_gw+0x3eb/0x790 [ 2945.718524][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2945.718524][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2945.718524][ T903] ip6_route_add+0x1c/0x140 [ 2945.718524][ T903] inet6_rtm_newroute+0x104/0x110 [ 2945.718524][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.718524][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.718524][ T903] netlink_unicast+0x449/0x710 [ 2945.718524][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.718524][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.718524][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.718524][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.718524][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.718524][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.718524][ T903] [ 2945.721016][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2945.721016][ T903] netdev_get_by_index+0x5e/0x80 [ 2945.721016][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2945.721016][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2945.721016][ T903] ip6_route_add+0x1c/0x140 [ 2945.721016][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2945.721016][ T903] inet6_addr_add+0x4f8/0xa40 [ 2945.721016][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.721016][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.721016][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.721016][ T903] netlink_unicast+0x449/0x710 [ 2945.721016][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.721016][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.721016][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.721016][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.721016][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.721016][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.721016][ T903] [ 2945.723598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2945.723598][ T903] netdev_get_by_index+0x5e/0x80 [ 2945.723598][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2945.723598][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2945.723598][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2945.723598][ T903] ipv6_add_addr+0x411/0x2000 [ 2945.723598][ T903] inet6_addr_add+0x30e/0xa40 [ 2945.723598][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.723598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.723598][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.723598][ T903] netlink_unicast+0x449/0x710 [ 2945.723598][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.723598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.723598][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.723598][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.723598][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.723598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.723598][ T903] [ 2945.726191][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2945.726191][ T903] netdev_get_by_index+0x5e/0x80 [ 2945.726191][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2945.726191][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2945.726191][ T903] ip6_route_add+0x1c/0x140 [ 2945.726191][ T903] addrconf_add_mroute+0x129/0x180 [ 2945.726191][ T903] addrconf_add_dev+0xe2/0x170 [ 2945.726191][ T903] inet6_addr_add+0x12f/0xa40 [ 2945.726191][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.726191][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.726191][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.726191][ T903] netlink_unicast+0x449/0x710 [ 2945.726191][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.726191][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.726191][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.726191][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.726191][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.726191][ T903] [ 2945.728824][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2945.728824][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2945.728824][ T903] ipv6_find_idev+0x102/0x170 [ 2945.728824][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2945.728824][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.728824][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.728824][ T903] netlink_unicast+0x449/0x710 [ 2945.728824][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.728824][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.728824][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.728824][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.728824][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.728824][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.728824][ T903] [ 2945.730745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2945.730745][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2945.730745][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2945.730745][ T903] ipv6_find_idev+0x102/0x170 [ 2945.730745][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2945.730745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.730745][ T903] netlink_rcv_skb+0x130/0x360 [ 2945.730745][ T903] netlink_unicast+0x449/0x710 [ 2945.730745][ T903] netlink_sendmsg+0x723/0xbe0 [ 2945.730745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2945.730745][ T903] ___sys_sendmsg+0xee/0x170 [ 2945.730745][ T903] __sys_sendmsg+0xcd/0x170 [ 2945.730745][ T903] do_syscall_64+0xc6/0x1e0 [ 2945.730745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.730745][ T903] [ 2955.973849][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2955.974420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2955.974420][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2955.974420][ T903] ip6_validate_gw+0x3eb/0x790 [ 2955.974420][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2955.974420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2955.974420][ T903] ip6_route_add+0x1c/0x140 [ 2955.974420][ T903] inet6_rtm_newroute+0x104/0x110 [ 2955.974420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.974420][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.974420][ T903] netlink_unicast+0x449/0x710 [ 2955.974420][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.974420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.974420][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.974420][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.974420][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.974420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.974420][ T903] [ 2955.976832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2955.976832][ T903] netdev_get_by_index+0x5e/0x80 [ 2955.976832][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2955.976832][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2955.976832][ T903] ip6_route_add+0x1c/0x140 [ 2955.976832][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2955.976832][ T903] inet6_addr_add+0x4f8/0xa40 [ 2955.976832][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.976832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.976832][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.976832][ T903] netlink_unicast+0x449/0x710 [ 2955.976832][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.976832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.976832][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.976832][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.976832][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.976832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.976832][ T903] [ 2955.979489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2955.979489][ T903] netdev_get_by_index+0x5e/0x80 [ 2955.979489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2955.979489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2955.979489][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2955.979489][ T903] ipv6_add_addr+0x411/0x2000 [ 2955.979489][ T903] inet6_addr_add+0x30e/0xa40 [ 2955.979489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.979489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.979489][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.979489][ T903] netlink_unicast+0x449/0x710 [ 2955.979489][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.979489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.979489][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.979489][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.979489][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.979489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.979489][ T903] [ 2955.982144][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2955.982144][ T903] netdev_get_by_index+0x5e/0x80 [ 2955.982144][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2955.982144][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2955.982144][ T903] ip6_route_add+0x1c/0x140 [ 2955.982144][ T903] addrconf_add_mroute+0x129/0x180 [ 2955.982144][ T903] addrconf_add_dev+0xe2/0x170 [ 2955.982144][ T903] inet6_addr_add+0x12f/0xa40 [ 2955.982144][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.982144][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.982144][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.982144][ T903] netlink_unicast+0x449/0x710 [ 2955.982144][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.982144][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.982144][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.982144][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.982144][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.982144][ T903] [ 2955.984601][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2955.984601][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2955.984601][ T903] ipv6_find_idev+0x102/0x170 [ 2955.984601][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.984601][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.984601][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.984601][ T903] netlink_unicast+0x449/0x710 [ 2955.984601][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.984601][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.984601][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.984601][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.984601][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.984601][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.984601][ T903] [ 2955.986612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2955.986612][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2955.986612][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2955.986612][ T903] ipv6_find_idev+0x102/0x170 [ 2955.986612][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.986612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.986612][ T903] netlink_rcv_skb+0x130/0x360 [ 2955.986612][ T903] netlink_unicast+0x449/0x710 [ 2955.986612][ T903] netlink_sendmsg+0x723/0xbe0 [ 2955.986612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2955.986612][ T903] ___sys_sendmsg+0xee/0x170 [ 2955.986612][ T903] __sys_sendmsg+0xcd/0x170 [ 2955.986612][ T903] do_syscall_64+0xc6/0x1e0 [ 2955.986612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.986612][ T903] [ 2966.037866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2966.038535][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2966.038535][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2966.038535][ T903] ip6_validate_gw+0x3eb/0x790 [ 2966.038535][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2966.038535][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2966.038535][ T903] ip6_route_add+0x1c/0x140 [ 2966.038535][ T903] inet6_rtm_newroute+0x104/0x110 [ 2966.038535][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.038535][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.038535][ T903] netlink_unicast+0x449/0x710 [ 2966.038535][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.038535][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.038535][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.038535][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.038535][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.038535][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2966.038535][ T903] [ 2966.040583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2966.040583][ T903] netdev_get_by_index+0x5e/0x80 [ 2966.040583][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2966.040583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2966.040583][ T903] ip6_route_add+0x1c/0x140 [ 2966.040583][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2966.040583][ T903] inet6_addr_add+0x4f8/0xa40 [ 2966.040583][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2966.040583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.040583][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.040583][ T903] netlink_unicast+0x449/0x710 [ 2966.040583][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.040583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.040583][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.040583][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.040583][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.040583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2966.040583][ T903] [ 2966.042738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2966.042738][ T903] netdev_get_by_index+0x5e/0x80 [ 2966.042738][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2966.042738][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2966.042738][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2966.042738][ T903] ipv6_add_addr+0x411/0x2000 [ 2966.042738][ T903] inet6_addr_add+0x30e/0xa40 [ 2966.042738][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2966.042738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.042738][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.042738][ T903] netlink_unicast+0x449/0x710 [ 2966.042738][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.042738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.042738][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.042738][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.042738][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.042738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2966.042738][ T903] [ 2966.044929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2966.044929][ T903] netdev_get_by_index+0x5e/0x80 [ 2966.044929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2966.044929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2966.044929][ T903] ip6_route_add+0x1c/0x140 [ 2966.044929][ T903] addrconf_add_mroute+0x129/0x180 [ 2966.044929][ T903] addrconf_add_dev+0xe2/0x170 [ 2966.044929][ T903] inet6_addr_add+0x12f/0xa40 [ 2966.044929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2966.044929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.044929][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.044929][ T903] netlink_unicast+0x449/0x710 [ 2966.044929][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.044929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.044929][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.044929][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.044929][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.044929][ T903] [ 2966.047091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2966.047091][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2966.047091][ T903] ipv6_find_idev+0x102/0x170 [ 2966.047091][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2966.047091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.047091][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.047091][ T903] netlink_unicast+0x449/0x710 [ 2966.047091][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.047091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.047091][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.047091][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.047091][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.047091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2966.047091][ T903] [ 2966.048784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2966.048784][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2966.048784][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2966.048784][ T903] ipv6_find_idev+0x102/0x170 [ 2966.048784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2966.048784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2966.048784][ T903] netlink_rcv_skb+0x130/0x360 [ 2966.048784][ T903] netlink_unicast+0x449/0x710 [ 2966.048784][ T903] netlink_sendmsg+0x723/0xbe0 [ 2966.048784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2966.048784][ T903] ___sys_sendmsg+0xee/0x170 [ 2966.048784][ T903] __sys_sendmsg+0xcd/0x170 [ 2966.048784][ T903] do_syscall_64+0xc6/0x1e0 [ 2966.048784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2966.048784][ T903] [ 2976.285866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2976.286446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2976.286446][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2976.286446][ T903] ip6_validate_gw+0x3eb/0x790 [ 2976.286446][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2976.286446][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2976.286446][ T903] ip6_route_add+0x1c/0x140 [ 2976.286446][ T903] inet6_rtm_newroute+0x104/0x110 [ 2976.286446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.286446][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.286446][ T903] netlink_unicast+0x449/0x710 [ 2976.286446][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.286446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.286446][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.286446][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.286446][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.286446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.286446][ T903] [ 2976.288531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2976.288531][ T903] netdev_get_by_index+0x5e/0x80 [ 2976.288531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2976.288531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2976.288531][ T903] ip6_route_add+0x1c/0x140 [ 2976.288531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2976.288531][ T903] inet6_addr_add+0x4f8/0xa40 [ 2976.288531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.288531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.288531][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.288531][ T903] netlink_unicast+0x449/0x710 [ 2976.288531][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.288531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.288531][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.288531][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.288531][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.288531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.288531][ T903] [ 2976.290722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2976.290722][ T903] netdev_get_by_index+0x5e/0x80 [ 2976.290722][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2976.290722][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2976.290722][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2976.290722][ T903] ipv6_add_addr+0x411/0x2000 [ 2976.290722][ T903] inet6_addr_add+0x30e/0xa40 [ 2976.290722][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.290722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.290722][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.290722][ T903] netlink_unicast+0x449/0x710 [ 2976.290722][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.290722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.290722][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.290722][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.290722][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.290722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.290722][ T903] [ 2976.292897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2976.292897][ T903] netdev_get_by_index+0x5e/0x80 [ 2976.292897][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2976.292897][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2976.292897][ T903] ip6_route_add+0x1c/0x140 [ 2976.292897][ T903] addrconf_add_mroute+0x129/0x180 [ 2976.292897][ T903] addrconf_add_dev+0xe2/0x170 [ 2976.292897][ T903] inet6_addr_add+0x12f/0xa40 [ 2976.292897][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.292897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.292897][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.292897][ T903] netlink_unicast+0x449/0x710 [ 2976.292897][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.292897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.292897][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.292897][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.292897][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.292897][ T903] [ 2976.294998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2976.294998][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2976.294998][ T903] ipv6_find_idev+0x102/0x170 [ 2976.294998][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2976.294998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.294998][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.294998][ T903] netlink_unicast+0x449/0x710 [ 2976.294998][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.294998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.294998][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.294998][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.294998][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.294998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.294998][ T903] [ 2976.296673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2976.296673][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2976.296673][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2976.296673][ T903] ipv6_find_idev+0x102/0x170 [ 2976.296673][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2976.296673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.296673][ T903] netlink_rcv_skb+0x130/0x360 [ 2976.296673][ T903] netlink_unicast+0x449/0x710 [ 2976.296673][ T903] netlink_sendmsg+0x723/0xbe0 [ 2976.296673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2976.296673][ T903] ___sys_sendmsg+0xee/0x170 [ 2976.296673][ T903] __sys_sendmsg+0xcd/0x170 [ 2976.296673][ T903] do_syscall_64+0xc6/0x1e0 [ 2976.296673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.296673][ T903] [ 2986.533867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2986.534455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2986.534455][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2986.534455][ T903] ip6_validate_gw+0x3eb/0x790 [ 2986.534455][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2986.534455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2986.534455][ T903] ip6_route_add+0x1c/0x140 [ 2986.534455][ T903] inet6_rtm_newroute+0x104/0x110 [ 2986.534455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.534455][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.534455][ T903] netlink_unicast+0x449/0x710 [ 2986.534455][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.534455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.534455][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.534455][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.534455][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.534455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.534455][ T903] [ 2986.536531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2986.536531][ T903] netdev_get_by_index+0x5e/0x80 [ 2986.536531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2986.536531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2986.536531][ T903] ip6_route_add+0x1c/0x140 [ 2986.536531][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2986.536531][ T903] inet6_addr_add+0x4f8/0xa40 [ 2986.536531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.536531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.536531][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.536531][ T903] netlink_unicast+0x449/0x710 [ 2986.536531][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.536531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.536531][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.536531][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.536531][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.536531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.536531][ T903] [ 2986.538802][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2986.538802][ T903] netdev_get_by_index+0x5e/0x80 [ 2986.538802][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2986.538802][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2986.538802][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2986.538802][ T903] ipv6_add_addr+0x411/0x2000 [ 2986.538802][ T903] inet6_addr_add+0x30e/0xa40 [ 2986.538802][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.538802][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.538802][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.538802][ T903] netlink_unicast+0x449/0x710 [ 2986.538802][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.538802][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.538802][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.538802][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.538802][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.538802][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.538802][ T903] [ 2986.540942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2986.540942][ T903] netdev_get_by_index+0x5e/0x80 [ 2986.540942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2986.540942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2986.540942][ T903] ip6_route_add+0x1c/0x140 [ 2986.540942][ T903] addrconf_add_mroute+0x129/0x180 [ 2986.540942][ T903] addrconf_add_dev+0xe2/0x170 [ 2986.540942][ T903] inet6_addr_add+0x12f/0xa40 [ 2986.540942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.540942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.540942][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.540942][ T903] netlink_unicast+0x449/0x710 [ 2986.540942][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.540942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.540942][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.540942][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.540942][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.540942][ T903] [ 2986.543038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2986.543038][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2986.543038][ T903] ipv6_find_idev+0x102/0x170 [ 2986.543038][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2986.543038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.543038][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.543038][ T903] netlink_unicast+0x449/0x710 [ 2986.543038][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.543038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.543038][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.543038][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.543038][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.543038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.543038][ T903] [ 2986.544747][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2986.544747][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2986.544747][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2986.544747][ T903] ipv6_find_idev+0x102/0x170 [ 2986.544747][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2986.544747][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.544747][ T903] netlink_rcv_skb+0x130/0x360 [ 2986.544747][ T903] netlink_unicast+0x449/0x710 [ 2986.544747][ T903] netlink_sendmsg+0x723/0xbe0 [ 2986.544747][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2986.544747][ T903] ___sys_sendmsg+0xee/0x170 [ 2986.544747][ T903] __sys_sendmsg+0xcd/0x170 [ 2986.544747][ T903] do_syscall_64+0xc6/0x1e0 [ 2986.544747][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.544747][ T903] [ 2996.781870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2996.782339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 2996.782339][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 2996.782339][ T903] ip6_validate_gw+0x3eb/0x790 [ 2996.782339][ T903] fib6_nh_init+0xa5b/0x15b0 [ 2996.782339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2996.782339][ T903] ip6_route_add+0x1c/0x140 [ 2996.782339][ T903] inet6_rtm_newroute+0x104/0x110 [ 2996.782339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.782339][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.782339][ T903] netlink_unicast+0x449/0x710 [ 2996.782339][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.782339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.782339][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.782339][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.782339][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.782339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.782339][ T903] [ 2996.784393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2996.784393][ T903] netdev_get_by_index+0x5e/0x80 [ 2996.784393][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2996.784393][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2996.784393][ T903] ip6_route_add+0x1c/0x140 [ 2996.784393][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 2996.784393][ T903] inet6_addr_add+0x4f8/0xa40 [ 2996.784393][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.784393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.784393][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.784393][ T903] netlink_unicast+0x449/0x710 [ 2996.784393][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.784393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.784393][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.784393][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.784393][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.784393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.784393][ T903] [ 2996.786577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2996.786577][ T903] netdev_get_by_index+0x5e/0x80 [ 2996.786577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2996.786577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2996.786577][ T903] addrconf_f6i_alloc+0x244/0x410 [ 2996.786577][ T903] ipv6_add_addr+0x411/0x2000 [ 2996.786577][ T903] inet6_addr_add+0x30e/0xa40 [ 2996.786577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.786577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.786577][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.786577][ T903] netlink_unicast+0x449/0x710 [ 2996.786577][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.786577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.786577][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.786577][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.786577][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.786577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.786577][ T903] [ 2996.788735][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2996.788735][ T903] netdev_get_by_index+0x5e/0x80 [ 2996.788735][ T903] fib6_nh_init+0x3d8/0x15b0 [ 2996.788735][ T903] ip6_route_info_create+0xf18/0x17d0 [ 2996.788735][ T903] ip6_route_add+0x1c/0x140 [ 2996.788735][ T903] addrconf_add_mroute+0x129/0x180 [ 2996.788735][ T903] addrconf_add_dev+0xe2/0x170 [ 2996.788735][ T903] inet6_addr_add+0x12f/0xa40 [ 2996.788735][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.788735][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.788735][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.788735][ T903] netlink_unicast+0x449/0x710 [ 2996.788735][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.788735][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.788735][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.788735][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.788735][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.788735][ T903] [ 2996.790859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2996.790859][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 2996.790859][ T903] ipv6_find_idev+0x102/0x170 [ 2996.790859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.790859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.790859][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.790859][ T903] netlink_unicast+0x449/0x710 [ 2996.790859][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.790859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.790859][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.790859][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.790859][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.790859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.790859][ T903] [ 2996.792518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 2996.792518][ T903] neigh_parms_alloc+0x1e5/0x510 [ 2996.792518][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 2996.792518][ T903] ipv6_find_idev+0x102/0x170 [ 2996.792518][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.792518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.792518][ T903] netlink_rcv_skb+0x130/0x360 [ 2996.792518][ T903] netlink_unicast+0x449/0x710 [ 2996.792518][ T903] netlink_sendmsg+0x723/0xbe0 [ 2996.792518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 2996.792518][ T903] ___sys_sendmsg+0xee/0x170 [ 2996.792518][ T903] __sys_sendmsg+0xcd/0x170 [ 2996.792518][ T903] do_syscall_64+0xc6/0x1e0 [ 2996.792518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.792518][ T903] [ 3007.029886][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3007.030637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3007.030637][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3007.030637][ T903] ip6_validate_gw+0x3eb/0x790 [ 3007.030637][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3007.030637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3007.030637][ T903] ip6_route_add+0x1c/0x140 [ 3007.030637][ T903] inet6_rtm_newroute+0x104/0x110 [ 3007.030637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.030637][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.030637][ T903] netlink_unicast+0x449/0x710 [ 3007.030637][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.030637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.030637][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.030637][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.030637][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.030637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.030637][ T903] [ 3007.032736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3007.032736][ T903] netdev_get_by_index+0x5e/0x80 [ 3007.032736][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3007.032736][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3007.032736][ T903] ip6_route_add+0x1c/0x140 [ 3007.032736][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3007.032736][ T903] inet6_addr_add+0x4f8/0xa40 [ 3007.032736][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3007.032736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.032736][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.032736][ T903] netlink_unicast+0x449/0x710 [ 3007.032736][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.032736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.032736][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.032736][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.032736][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.032736][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.032736][ T903] [ 3007.034874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3007.034874][ T903] netdev_get_by_index+0x5e/0x80 [ 3007.034874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3007.034874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3007.034874][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3007.034874][ T903] ipv6_add_addr+0x411/0x2000 [ 3007.034874][ T903] inet6_addr_add+0x30e/0xa40 [ 3007.034874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3007.034874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.034874][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.034874][ T903] netlink_unicast+0x449/0x710 [ 3007.034874][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.034874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.034874][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.034874][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.034874][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.034874][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.034874][ T903] [ 3007.036963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3007.036963][ T903] netdev_get_by_index+0x5e/0x80 [ 3007.036963][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3007.036963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3007.036963][ T903] ip6_route_add+0x1c/0x140 [ 3007.036963][ T903] addrconf_add_mroute+0x129/0x180 [ 3007.036963][ T903] addrconf_add_dev+0xe2/0x170 [ 3007.036963][ T903] inet6_addr_add+0x12f/0xa40 [ 3007.036963][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3007.036963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.036963][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.036963][ T903] netlink_unicast+0x449/0x710 [ 3007.036963][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.036963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.036963][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.036963][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.036963][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.036963][ T903] [ 3007.039099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3007.039099][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3007.039099][ T903] ipv6_find_idev+0x102/0x170 [ 3007.039099][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3007.039099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.039099][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.039099][ T903] netlink_unicast+0x449/0x710 [ 3007.039099][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.039099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.039099][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.039099][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.039099][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.039099][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.039099][ T903] [ 3007.040774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3007.040774][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3007.040774][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3007.040774][ T903] ipv6_find_idev+0x102/0x170 [ 3007.040774][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3007.040774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.040774][ T903] netlink_rcv_skb+0x130/0x360 [ 3007.040774][ T903] netlink_unicast+0x449/0x710 [ 3007.040774][ T903] netlink_sendmsg+0x723/0xbe0 [ 3007.040774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3007.040774][ T903] ___sys_sendmsg+0xee/0x170 [ 3007.040774][ T903] __sys_sendmsg+0xcd/0x170 [ 3007.040774][ T903] do_syscall_64+0xc6/0x1e0 [ 3007.040774][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.040774][ T903] [ 3017.269918][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3017.270563][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3017.270563][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3017.270563][ T903] ip6_validate_gw+0x3eb/0x790 [ 3017.270563][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3017.270563][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3017.270563][ T903] ip6_route_add+0x1c/0x140 [ 3017.270563][ T903] inet6_rtm_newroute+0x104/0x110 [ 3017.270563][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.270563][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.270563][ T903] netlink_unicast+0x449/0x710 [ 3017.270563][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.270563][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.270563][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.270563][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.270563][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.270563][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.270563][ T903] [ 3017.272700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3017.272700][ T903] netdev_get_by_index+0x5e/0x80 [ 3017.272700][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3017.272700][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3017.272700][ T903] ip6_route_add+0x1c/0x140 [ 3017.272700][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3017.272700][ T903] inet6_addr_add+0x4f8/0xa40 [ 3017.272700][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.272700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.272700][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.272700][ T903] netlink_unicast+0x449/0x710 [ 3017.272700][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.272700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.272700][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.272700][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.272700][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.272700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.272700][ T903] [ 3017.274887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3017.274887][ T903] netdev_get_by_index+0x5e/0x80 [ 3017.274887][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3017.274887][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3017.274887][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3017.274887][ T903] ipv6_add_addr+0x411/0x2000 [ 3017.274887][ T903] inet6_addr_add+0x30e/0xa40 [ 3017.274887][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.274887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.274887][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.274887][ T903] netlink_unicast+0x449/0x710 [ 3017.274887][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.274887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.274887][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.274887][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.274887][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.274887][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.274887][ T903] [ 3017.277067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3017.277067][ T903] netdev_get_by_index+0x5e/0x80 [ 3017.277067][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3017.277067][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3017.277067][ T903] ip6_route_add+0x1c/0x140 [ 3017.277067][ T903] addrconf_add_mroute+0x129/0x180 [ 3017.277067][ T903] addrconf_add_dev+0xe2/0x170 [ 3017.277067][ T903] inet6_addr_add+0x12f/0xa40 [ 3017.277067][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.277067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.277067][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.277067][ T903] netlink_unicast+0x449/0x710 [ 3017.277067][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.277067][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.277067][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.277067][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.277067][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.277067][ T903] [ 3017.279193][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3017.279193][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3017.279193][ T903] ipv6_find_idev+0x102/0x170 [ 3017.279193][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3017.279193][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.279193][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.279193][ T903] netlink_unicast+0x449/0x710 [ 3017.279193][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.279193][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.279193][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.279193][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.279193][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.279193][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.279193][ T903] [ 3017.280882][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3017.280882][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3017.280882][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3017.280882][ T903] ipv6_find_idev+0x102/0x170 [ 3017.280882][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3017.280882][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.280882][ T903] netlink_rcv_skb+0x130/0x360 [ 3017.280882][ T903] netlink_unicast+0x449/0x710 [ 3017.280882][ T903] netlink_sendmsg+0x723/0xbe0 [ 3017.280882][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3017.280882][ T903] ___sys_sendmsg+0xee/0x170 [ 3017.280882][ T903] __sys_sendmsg+0xcd/0x170 [ 3017.280882][ T903] do_syscall_64+0xc6/0x1e0 [ 3017.280882][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.280882][ T903] [ 3027.525882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3027.526374][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3027.526374][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3027.526374][ T903] ip6_validate_gw+0x3eb/0x790 [ 3027.526374][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3027.526374][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3027.526374][ T903] ip6_route_add+0x1c/0x140 [ 3027.526374][ T903] inet6_rtm_newroute+0x104/0x110 [ 3027.526374][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.526374][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.526374][ T903] netlink_unicast+0x449/0x710 [ 3027.526374][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.526374][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.526374][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.526374][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.526374][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.526374][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.526374][ T903] [ 3027.528524][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3027.528524][ T903] netdev_get_by_index+0x5e/0x80 [ 3027.528524][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3027.528524][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3027.528524][ T903] ip6_route_add+0x1c/0x140 [ 3027.528524][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3027.528524][ T903] inet6_addr_add+0x4f8/0xa40 [ 3027.528524][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.528524][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.528524][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.528524][ T903] netlink_unicast+0x449/0x710 [ 3027.528524][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.528524][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.528524][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.528524][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.528524][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.528524][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.528524][ T903] [ 3027.530644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3027.530644][ T903] netdev_get_by_index+0x5e/0x80 [ 3027.530644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3027.530644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3027.530644][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3027.530644][ T903] ipv6_add_addr+0x411/0x2000 [ 3027.530644][ T903] inet6_addr_add+0x30e/0xa40 [ 3027.530644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.530644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.530644][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.530644][ T903] netlink_unicast+0x449/0x710 [ 3027.530644][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.530644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.530644][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.530644][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.530644][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.530644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.530644][ T903] [ 3027.532770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3027.532770][ T903] netdev_get_by_index+0x5e/0x80 [ 3027.532770][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3027.532770][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3027.532770][ T903] ip6_route_add+0x1c/0x140 [ 3027.532770][ T903] addrconf_add_mroute+0x129/0x180 [ 3027.532770][ T903] addrconf_add_dev+0xe2/0x170 [ 3027.532770][ T903] inet6_addr_add+0x12f/0xa40 [ 3027.532770][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.532770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.532770][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.532770][ T903] netlink_unicast+0x449/0x710 [ 3027.532770][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.532770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.532770][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.532770][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.532770][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.532770][ T903] [ 3027.535004][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3027.535004][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3027.535004][ T903] ipv6_find_idev+0x102/0x170 [ 3027.535004][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.535004][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.535004][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.535004][ T903] netlink_unicast+0x449/0x710 [ 3027.535004][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.535004][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.535004][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.535004][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.535004][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.535004][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.535004][ T903] [ 3027.536642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3027.536642][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3027.536642][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3027.536642][ T903] ipv6_find_idev+0x102/0x170 [ 3027.536642][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.536642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.536642][ T903] netlink_rcv_skb+0x130/0x360 [ 3027.536642][ T903] netlink_unicast+0x449/0x710 [ 3027.536642][ T903] netlink_sendmsg+0x723/0xbe0 [ 3027.536642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3027.536642][ T903] ___sys_sendmsg+0xee/0x170 [ 3027.536642][ T903] __sys_sendmsg+0xcd/0x170 [ 3027.536642][ T903] do_syscall_64+0xc6/0x1e0 [ 3027.536642][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.536642][ T903] [ 3037.773807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3037.774338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3037.774338][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3037.774338][ T903] ip6_validate_gw+0x3eb/0x790 [ 3037.774338][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3037.774338][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3037.774338][ T903] ip6_route_add+0x1c/0x140 [ 3037.774338][ T903] inet6_rtm_newroute+0x104/0x110 [ 3037.774338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.774338][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.774338][ T903] netlink_unicast+0x449/0x710 [ 3037.774338][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.774338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.774338][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.774338][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.774338][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.774338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.774338][ T903] [ 3037.776394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3037.776394][ T903] netdev_get_by_index+0x5e/0x80 [ 3037.776394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3037.776394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3037.776394][ T903] ip6_route_add+0x1c/0x140 [ 3037.776394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3037.776394][ T903] inet6_addr_add+0x4f8/0xa40 [ 3037.776394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.776394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.776394][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.776394][ T903] netlink_unicast+0x449/0x710 [ 3037.776394][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.776394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.776394][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.776394][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.776394][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.776394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.776394][ T903] [ 3037.778634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3037.778634][ T903] netdev_get_by_index+0x5e/0x80 [ 3037.778634][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3037.778634][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3037.778634][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3037.778634][ T903] ipv6_add_addr+0x411/0x2000 [ 3037.778634][ T903] inet6_addr_add+0x30e/0xa40 [ 3037.778634][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.778634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.778634][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.778634][ T903] netlink_unicast+0x449/0x710 [ 3037.778634][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.778634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.778634][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.778634][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.778634][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.778634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.778634][ T903] [ 3037.780903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3037.780903][ T903] netdev_get_by_index+0x5e/0x80 [ 3037.780903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3037.780903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3037.780903][ T903] ip6_route_add+0x1c/0x140 [ 3037.780903][ T903] addrconf_add_mroute+0x129/0x180 [ 3037.780903][ T903] addrconf_add_dev+0xe2/0x170 [ 3037.780903][ T903] inet6_addr_add+0x12f/0xa40 [ 3037.780903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.780903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.780903][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.780903][ T903] netlink_unicast+0x449/0x710 [ 3037.780903][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.780903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.780903][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.780903][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.780903][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.780903][ T903] [ 3037.782984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3037.782984][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3037.782984][ T903] ipv6_find_idev+0x102/0x170 [ 3037.782984][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.782984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.782984][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.782984][ T903] netlink_unicast+0x449/0x710 [ 3037.782984][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.782984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.782984][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.782984][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.782984][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.782984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.782984][ T903] [ 3037.784607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3037.784607][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3037.784607][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3037.784607][ T903] ipv6_find_idev+0x102/0x170 [ 3037.784607][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.784607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.784607][ T903] netlink_rcv_skb+0x130/0x360 [ 3037.784607][ T903] netlink_unicast+0x449/0x710 [ 3037.784607][ T903] netlink_sendmsg+0x723/0xbe0 [ 3037.784607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3037.784607][ T903] ___sys_sendmsg+0xee/0x170 [ 3037.784607][ T903] __sys_sendmsg+0xcd/0x170 [ 3037.784607][ T903] do_syscall_64+0xc6/0x1e0 [ 3037.784607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.784607][ T903] [ 3048.021882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3048.022411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3048.022411][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3048.022411][ T903] ip6_validate_gw+0x3eb/0x790 [ 3048.022411][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3048.022411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3048.022411][ T903] ip6_route_add+0x1c/0x140 [ 3048.022411][ T903] inet6_rtm_newroute+0x104/0x110 [ 3048.022411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.022411][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.022411][ T903] netlink_unicast+0x449/0x710 [ 3048.022411][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.022411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.022411][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.022411][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.022411][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.022411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.022411][ T903] [ 3048.024481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3048.024481][ T903] netdev_get_by_index+0x5e/0x80 [ 3048.024481][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3048.024481][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3048.024481][ T903] ip6_route_add+0x1c/0x140 [ 3048.024481][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3048.024481][ T903] inet6_addr_add+0x4f8/0xa40 [ 3048.024481][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.024481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.024481][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.024481][ T903] netlink_unicast+0x449/0x710 [ 3048.024481][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.024481][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.024481][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.024481][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.024481][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.024481][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.024481][ T903] [ 3048.026665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3048.026665][ T903] netdev_get_by_index+0x5e/0x80 [ 3048.026665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3048.026665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3048.026665][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3048.026665][ T903] ipv6_add_addr+0x411/0x2000 [ 3048.026665][ T903] inet6_addr_add+0x30e/0xa40 [ 3048.026665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.026665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.026665][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.026665][ T903] netlink_unicast+0x449/0x710 [ 3048.026665][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.026665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.026665][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.026665][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.026665][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.026665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.026665][ T903] [ 3048.029139][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3048.029139][ T903] netdev_get_by_index+0x5e/0x80 [ 3048.029139][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3048.029139][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3048.029139][ T903] ip6_route_add+0x1c/0x140 [ 3048.029139][ T903] addrconf_add_mroute+0x129/0x180 [ 3048.029139][ T903] addrconf_add_dev+0xe2/0x170 [ 3048.029139][ T903] inet6_addr_add+0x12f/0xa40 [ 3048.029139][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.029139][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.029139][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.029139][ T903] netlink_unicast+0x449/0x710 [ 3048.029139][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.029139][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.029139][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.029139][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.029139][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.029139][ T903] [ 3048.031320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3048.031320][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3048.031320][ T903] ipv6_find_idev+0x102/0x170 [ 3048.031320][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3048.031320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.031320][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.031320][ T903] netlink_unicast+0x449/0x710 [ 3048.031320][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.031320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.031320][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.031320][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.031320][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.031320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.031320][ T903] [ 3048.033107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3048.033107][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3048.033107][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3048.033107][ T903] ipv6_find_idev+0x102/0x170 [ 3048.033107][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3048.033107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.033107][ T903] netlink_rcv_skb+0x130/0x360 [ 3048.033107][ T903] netlink_unicast+0x449/0x710 [ 3048.033107][ T903] netlink_sendmsg+0x723/0xbe0 [ 3048.033107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3048.033107][ T903] ___sys_sendmsg+0xee/0x170 [ 3048.033107][ T903] __sys_sendmsg+0xcd/0x170 [ 3048.033107][ T903] do_syscall_64+0xc6/0x1e0 [ 3048.033107][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.033107][ T903] [ 3058.261868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3058.262749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3058.262749][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3058.262749][ T903] ip6_validate_gw+0x3eb/0x790 [ 3058.262749][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3058.262749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3058.262749][ T903] ip6_route_add+0x1c/0x140 [ 3058.262749][ T903] inet6_rtm_newroute+0x104/0x110 [ 3058.262749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.262749][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.262749][ T903] netlink_unicast+0x449/0x710 [ 3058.262749][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.262749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.262749][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.262749][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.262749][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.262749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.262749][ T903] [ 3058.265298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3058.265298][ T903] netdev_get_by_index+0x5e/0x80 [ 3058.265298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3058.265298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3058.265298][ T903] ip6_route_add+0x1c/0x140 [ 3058.265298][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3058.265298][ T903] inet6_addr_add+0x4f8/0xa40 [ 3058.265298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.265298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.265298][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.265298][ T903] netlink_unicast+0x449/0x710 [ 3058.265298][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.265298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.265298][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.265298][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.265298][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.265298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.265298][ T903] [ 3058.267895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3058.267895][ T903] netdev_get_by_index+0x5e/0x80 [ 3058.267895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3058.267895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3058.267895][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3058.267895][ T903] ipv6_add_addr+0x411/0x2000 [ 3058.267895][ T903] inet6_addr_add+0x30e/0xa40 [ 3058.267895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.267895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.267895][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.267895][ T903] netlink_unicast+0x449/0x710 [ 3058.267895][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.267895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.267895][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.267895][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.267895][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.267895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.267895][ T903] [ 3058.270681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3058.270681][ T903] netdev_get_by_index+0x5e/0x80 [ 3058.270681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3058.270681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3058.270681][ T903] ip6_route_add+0x1c/0x140 [ 3058.270681][ T903] addrconf_add_mroute+0x129/0x180 [ 3058.270681][ T903] addrconf_add_dev+0xe2/0x170 [ 3058.270681][ T903] inet6_addr_add+0x12f/0xa40 [ 3058.270681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.270681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.270681][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.270681][ T903] netlink_unicast+0x449/0x710 [ 3058.270681][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.270681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.270681][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.270681][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.270681][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.270681][ T903] [ 3058.273178][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3058.273178][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3058.273178][ T903] ipv6_find_idev+0x102/0x170 [ 3058.273178][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3058.273178][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.273178][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.273178][ T903] netlink_unicast+0x449/0x710 [ 3058.273178][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.273178][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.273178][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.273178][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.273178][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.273178][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.273178][ T903] [ 3058.275188][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3058.275188][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3058.275188][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3058.275188][ T903] ipv6_find_idev+0x102/0x170 [ 3058.275188][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3058.275188][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.275188][ T903] netlink_rcv_skb+0x130/0x360 [ 3058.275188][ T903] netlink_unicast+0x449/0x710 [ 3058.275188][ T903] netlink_sendmsg+0x723/0xbe0 [ 3058.275188][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3058.275188][ T903] ___sys_sendmsg+0xee/0x170 [ 3058.275188][ T903] __sys_sendmsg+0xcd/0x170 [ 3058.275188][ T903] do_syscall_64+0xc6/0x1e0 [ 3058.275188][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.275188][ T903] [ 3068.525866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3068.526548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3068.526548][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3068.526548][ T903] ip6_validate_gw+0x3eb/0x790 [ 3068.526548][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3068.526548][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3068.526548][ T903] ip6_route_add+0x1c/0x140 [ 3068.526548][ T903] inet6_rtm_newroute+0x104/0x110 [ 3068.526548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.526548][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.526548][ T903] netlink_unicast+0x449/0x710 [ 3068.526548][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.526548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.526548][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.526548][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.526548][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.526548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.526548][ T903] [ 3068.529093][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3068.529093][ T903] netdev_get_by_index+0x5e/0x80 [ 3068.529093][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3068.529093][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3068.529093][ T903] ip6_route_add+0x1c/0x140 [ 3068.529093][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3068.529093][ T903] inet6_addr_add+0x4f8/0xa40 [ 3068.529093][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.529093][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.529093][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.529093][ T903] netlink_unicast+0x449/0x710 [ 3068.529093][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.529093][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.529093][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.529093][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.529093][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.529093][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.529093][ T903] [ 3068.531650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3068.531650][ T903] netdev_get_by_index+0x5e/0x80 [ 3068.531650][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3068.531650][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3068.531650][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3068.531650][ T903] ipv6_add_addr+0x411/0x2000 [ 3068.531650][ T903] inet6_addr_add+0x30e/0xa40 [ 3068.531650][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.531650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.531650][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.531650][ T903] netlink_unicast+0x449/0x710 [ 3068.531650][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.531650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.531650][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.531650][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.531650][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.531650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.531650][ T903] [ 3068.534226][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3068.534226][ T903] netdev_get_by_index+0x5e/0x80 [ 3068.534226][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3068.534226][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3068.534226][ T903] ip6_route_add+0x1c/0x140 [ 3068.534226][ T903] addrconf_add_mroute+0x129/0x180 [ 3068.534226][ T903] addrconf_add_dev+0xe2/0x170 [ 3068.534226][ T903] inet6_addr_add+0x12f/0xa40 [ 3068.534226][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.534226][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.534226][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.534226][ T903] netlink_unicast+0x449/0x710 [ 3068.534226][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.534226][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.534226][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.534226][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.534226][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.534226][ T903] [ 3068.536782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3068.536782][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3068.536782][ T903] ipv6_find_idev+0x102/0x170 [ 3068.536782][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3068.536782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.536782][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.536782][ T903] netlink_unicast+0x449/0x710 [ 3068.536782][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.536782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.536782][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.536782][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.536782][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.536782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.536782][ T903] [ 3068.538893][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3068.538893][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3068.538893][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3068.538893][ T903] ipv6_find_idev+0x102/0x170 [ 3068.538893][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3068.538893][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.538893][ T903] netlink_rcv_skb+0x130/0x360 [ 3068.538893][ T903] netlink_unicast+0x449/0x710 [ 3068.538893][ T903] netlink_sendmsg+0x723/0xbe0 [ 3068.538893][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3068.538893][ T903] ___sys_sendmsg+0xee/0x170 [ 3068.538893][ T903] __sys_sendmsg+0xcd/0x170 [ 3068.538893][ T903] do_syscall_64+0xc6/0x1e0 [ 3068.538893][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.538893][ T903] [ 3078.789866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3078.790643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3078.790643][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3078.790643][ T903] ip6_validate_gw+0x3eb/0x790 [ 3078.790643][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3078.790643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3078.790643][ T903] ip6_route_add+0x1c/0x140 [ 3078.790643][ T903] inet6_rtm_newroute+0x104/0x110 [ 3078.790643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.790643][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.790643][ T903] netlink_unicast+0x449/0x710 [ 3078.790643][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.790643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.790643][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.790643][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.790643][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.790643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.790643][ T903] [ 3078.793147][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3078.793147][ T903] netdev_get_by_index+0x5e/0x80 [ 3078.793147][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3078.793147][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3078.793147][ T903] ip6_route_add+0x1c/0x140 [ 3078.793147][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3078.793147][ T903] inet6_addr_add+0x4f8/0xa40 [ 3078.793147][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.793147][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.793147][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.793147][ T903] netlink_unicast+0x449/0x710 [ 3078.793147][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.793147][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.793147][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.793147][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.793147][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.793147][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.793147][ T903] [ 3078.795822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3078.795822][ T903] netdev_get_by_index+0x5e/0x80 [ 3078.795822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3078.795822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3078.795822][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3078.795822][ T903] ipv6_add_addr+0x411/0x2000 [ 3078.795822][ T903] inet6_addr_add+0x30e/0xa40 [ 3078.795822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.795822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.795822][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.795822][ T903] netlink_unicast+0x449/0x710 [ 3078.795822][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.795822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.795822][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.795822][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.795822][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.795822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.795822][ T903] [ 3078.798489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3078.798489][ T903] netdev_get_by_index+0x5e/0x80 [ 3078.798489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3078.798489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3078.798489][ T903] ip6_route_add+0x1c/0x140 [ 3078.798489][ T903] addrconf_add_mroute+0x129/0x180 [ 3078.798489][ T903] addrconf_add_dev+0xe2/0x170 [ 3078.798489][ T903] inet6_addr_add+0x12f/0xa40 [ 3078.798489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.798489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.798489][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.798489][ T903] netlink_unicast+0x449/0x710 [ 3078.798489][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.798489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.798489][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.798489][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.798489][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.798489][ T903] [ 3078.801048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3078.801048][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3078.801048][ T903] ipv6_find_idev+0x102/0x170 [ 3078.801048][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.801048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.801048][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.801048][ T903] netlink_unicast+0x449/0x710 [ 3078.801048][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.801048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.801048][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.801048][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.801048][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.801048][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.801048][ T903] [ 3078.802988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3078.802988][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3078.802988][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3078.802988][ T903] ipv6_find_idev+0x102/0x170 [ 3078.802988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.802988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.802988][ T903] netlink_rcv_skb+0x130/0x360 [ 3078.802988][ T903] netlink_unicast+0x449/0x710 [ 3078.802988][ T903] netlink_sendmsg+0x723/0xbe0 [ 3078.802988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3078.802988][ T903] ___sys_sendmsg+0xee/0x170 [ 3078.802988][ T903] __sys_sendmsg+0xcd/0x170 [ 3078.802988][ T903] do_syscall_64+0xc6/0x1e0 [ 3078.802988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.802988][ T903] [ 3089.037808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3089.038529][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3089.038529][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3089.038529][ T903] ip6_validate_gw+0x3eb/0x790 [ 3089.038529][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3089.038529][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3089.038529][ T903] ip6_route_add+0x1c/0x140 [ 3089.038529][ T903] inet6_rtm_newroute+0x104/0x110 [ 3089.038529][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.038529][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.038529][ T903] netlink_unicast+0x449/0x710 [ 3089.038529][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.038529][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.038529][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.038529][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.038529][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.038529][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3089.038529][ T903] [ 3089.040607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3089.040607][ T903] netdev_get_by_index+0x5e/0x80 [ 3089.040607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3089.040607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3089.040607][ T903] ip6_route_add+0x1c/0x140 [ 3089.040607][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3089.040607][ T903] inet6_addr_add+0x4f8/0xa40 [ 3089.040607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3089.040607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.040607][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.040607][ T903] netlink_unicast+0x449/0x710 [ 3089.040607][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.040607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.040607][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.040607][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.040607][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.040607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3089.040607][ T903] [ 3089.042845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3089.042845][ T903] netdev_get_by_index+0x5e/0x80 [ 3089.042845][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3089.042845][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3089.042845][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3089.042845][ T903] ipv6_add_addr+0x411/0x2000 [ 3089.042845][ T903] inet6_addr_add+0x30e/0xa40 [ 3089.042845][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3089.042845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.042845][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.042845][ T903] netlink_unicast+0x449/0x710 [ 3089.042845][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.042845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.042845][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.042845][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.042845][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.042845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3089.042845][ T903] [ 3089.044988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3089.044988][ T903] netdev_get_by_index+0x5e/0x80 [ 3089.044988][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3089.044988][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3089.044988][ T903] ip6_route_add+0x1c/0x140 [ 3089.044988][ T903] addrconf_add_mroute+0x129/0x180 [ 3089.044988][ T903] addrconf_add_dev+0xe2/0x170 [ 3089.044988][ T903] inet6_addr_add+0x12f/0xa40 [ 3089.044988][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3089.044988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.044988][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.044988][ T903] netlink_unicast+0x449/0x710 [ 3089.044988][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.044988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.044988][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.044988][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.044988][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.044988][ T903] [ 3089.047089][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3089.047089][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3089.047089][ T903] ipv6_find_idev+0x102/0x170 [ 3089.047089][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3089.047089][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.047089][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.047089][ T903] netlink_unicast+0x449/0x710 [ 3089.047089][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.047089][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.047089][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.047089][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.047089][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.047089][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3089.047089][ T903] [ 3089.048779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3089.048779][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3089.048779][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3089.048779][ T903] ipv6_find_idev+0x102/0x170 [ 3089.048779][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3089.048779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3089.048779][ T903] netlink_rcv_skb+0x130/0x360 [ 3089.048779][ T903] netlink_unicast+0x449/0x710 [ 3089.048779][ T903] netlink_sendmsg+0x723/0xbe0 [ 3089.048779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3089.048779][ T903] ___sys_sendmsg+0xee/0x170 [ 3089.048779][ T903] __sys_sendmsg+0xcd/0x170 [ 3089.048779][ T903] do_syscall_64+0xc6/0x1e0 [ 3089.048779][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3089.048779][ T903] [ 3099.301874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3099.302673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3099.302673][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3099.302673][ T903] ip6_validate_gw+0x3eb/0x790 [ 3099.302673][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3099.302673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3099.302673][ T903] ip6_route_add+0x1c/0x140 [ 3099.302673][ T903] inet6_rtm_newroute+0x104/0x110 [ 3099.302673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.302673][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.302673][ T903] netlink_unicast+0x449/0x710 [ 3099.302673][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.302673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.302673][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.302673][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.302673][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.302673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.302673][ T903] [ 3099.305063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3099.305063][ T903] netdev_get_by_index+0x5e/0x80 [ 3099.305063][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3099.305063][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3099.305063][ T903] ip6_route_add+0x1c/0x140 [ 3099.305063][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3099.305063][ T903] inet6_addr_add+0x4f8/0xa40 [ 3099.305063][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.305063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.305063][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.305063][ T903] netlink_unicast+0x449/0x710 [ 3099.305063][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.305063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.305063][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.305063][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.305063][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.305063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.305063][ T903] [ 3099.307647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3099.307647][ T903] netdev_get_by_index+0x5e/0x80 [ 3099.307647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3099.307647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3099.307647][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3099.307647][ T903] ipv6_add_addr+0x411/0x2000 [ 3099.307647][ T903] inet6_addr_add+0x30e/0xa40 [ 3099.307647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.307647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.307647][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.307647][ T903] netlink_unicast+0x449/0x710 [ 3099.307647][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.307647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.307647][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.307647][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.307647][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.307647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.307647][ T903] [ 3099.310228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3099.310228][ T903] netdev_get_by_index+0x5e/0x80 [ 3099.310228][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3099.310228][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3099.310228][ T903] ip6_route_add+0x1c/0x140 [ 3099.310228][ T903] addrconf_add_mroute+0x129/0x180 [ 3099.310228][ T903] addrconf_add_dev+0xe2/0x170 [ 3099.310228][ T903] inet6_addr_add+0x12f/0xa40 [ 3099.310228][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.310228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.310228][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.310228][ T903] netlink_unicast+0x449/0x710 [ 3099.310228][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.310228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.310228][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.310228][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.310228][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.310228][ T903] [ 3099.312356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3099.312356][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3099.312356][ T903] ipv6_find_idev+0x102/0x170 [ 3099.312356][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3099.312356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.312356][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.312356][ T903] netlink_unicast+0x449/0x710 [ 3099.312356][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.312356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.312356][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.312356][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.312356][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.312356][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.312356][ T903] [ 3099.314047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3099.314047][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3099.314047][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3099.314047][ T903] ipv6_find_idev+0x102/0x170 [ 3099.314047][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3099.314047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.314047][ T903] netlink_rcv_skb+0x130/0x360 [ 3099.314047][ T903] netlink_unicast+0x449/0x710 [ 3099.314047][ T903] netlink_sendmsg+0x723/0xbe0 [ 3099.314047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3099.314047][ T903] ___sys_sendmsg+0xee/0x170 [ 3099.314047][ T903] __sys_sendmsg+0xcd/0x170 [ 3099.314047][ T903] do_syscall_64+0xc6/0x1e0 [ 3099.314047][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.314047][ T903] [ 3109.565817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3109.566330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3109.566330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3109.566330][ T903] ip6_validate_gw+0x3eb/0x790 [ 3109.566330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3109.566330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3109.566330][ T903] ip6_route_add+0x1c/0x140 [ 3109.566330][ T903] inet6_rtm_newroute+0x104/0x110 [ 3109.566330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.566330][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.566330][ T903] netlink_unicast+0x449/0x710 [ 3109.566330][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.566330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.566330][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.566330][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.566330][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.566330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.566330][ T903] [ 3109.568447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3109.568447][ T903] netdev_get_by_index+0x5e/0x80 [ 3109.568447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3109.568447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3109.568447][ T903] ip6_route_add+0x1c/0x140 [ 3109.568447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3109.568447][ T903] inet6_addr_add+0x4f8/0xa40 [ 3109.568447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.568447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.568447][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.568447][ T903] netlink_unicast+0x449/0x710 [ 3109.568447][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.568447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.568447][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.568447][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.568447][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.568447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.568447][ T903] [ 3109.570591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3109.570591][ T903] netdev_get_by_index+0x5e/0x80 [ 3109.570591][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3109.570591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3109.570591][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3109.570591][ T903] ipv6_add_addr+0x411/0x2000 [ 3109.570591][ T903] inet6_addr_add+0x30e/0xa40 [ 3109.570591][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.570591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.570591][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.570591][ T903] netlink_unicast+0x449/0x710 [ 3109.570591][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.570591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.570591][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.570591][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.570591][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.570591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.570591][ T903] [ 3109.572798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3109.572798][ T903] netdev_get_by_index+0x5e/0x80 [ 3109.572798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3109.572798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3109.572798][ T903] ip6_route_add+0x1c/0x140 [ 3109.572798][ T903] addrconf_add_mroute+0x129/0x180 [ 3109.572798][ T903] addrconf_add_dev+0xe2/0x170 [ 3109.572798][ T903] inet6_addr_add+0x12f/0xa40 [ 3109.572798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.572798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.572798][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.572798][ T903] netlink_unicast+0x449/0x710 [ 3109.572798][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.572798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.572798][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.572798][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.572798][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.572798][ T903] [ 3109.574954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3109.574954][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3109.574954][ T903] ipv6_find_idev+0x102/0x170 [ 3109.574954][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.574954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.574954][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.574954][ T903] netlink_unicast+0x449/0x710 [ 3109.574954][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.574954][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.574954][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.574954][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.574954][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.574954][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.574954][ T903] [ 3109.576643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3109.576643][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3109.576643][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3109.576643][ T903] ipv6_find_idev+0x102/0x170 [ 3109.576643][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.576643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.576643][ T903] netlink_rcv_skb+0x130/0x360 [ 3109.576643][ T903] netlink_unicast+0x449/0x710 [ 3109.576643][ T903] netlink_sendmsg+0x723/0xbe0 [ 3109.576643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3109.576643][ T903] ___sys_sendmsg+0xee/0x170 [ 3109.576643][ T903] __sys_sendmsg+0xcd/0x170 [ 3109.576643][ T903] do_syscall_64+0xc6/0x1e0 [ 3109.576643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.576643][ T903] [ 3119.773805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3119.774269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3119.774269][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3119.774269][ T903] ip6_validate_gw+0x3eb/0x790 [ 3119.774269][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3119.774269][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3119.774269][ T903] ip6_route_add+0x1c/0x140 [ 3119.774269][ T903] inet6_rtm_newroute+0x104/0x110 [ 3119.774269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.774269][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.774269][ T903] netlink_unicast+0x449/0x710 [ 3119.774269][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.774269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.774269][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.774269][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.774269][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.774269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.774269][ T903] [ 3119.776350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3119.776350][ T903] netdev_get_by_index+0x5e/0x80 [ 3119.776350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3119.776350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3119.776350][ T903] ip6_route_add+0x1c/0x140 [ 3119.776350][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3119.776350][ T903] inet6_addr_add+0x4f8/0xa40 [ 3119.776350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.776350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.776350][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.776350][ T903] netlink_unicast+0x449/0x710 [ 3119.776350][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.776350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.776350][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.776350][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.776350][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.776350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.776350][ T903] [ 3119.778564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3119.778564][ T903] netdev_get_by_index+0x5e/0x80 [ 3119.778564][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3119.778564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3119.778564][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3119.778564][ T903] ipv6_add_addr+0x411/0x2000 [ 3119.778564][ T903] inet6_addr_add+0x30e/0xa40 [ 3119.778564][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.778564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.778564][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.778564][ T903] netlink_unicast+0x449/0x710 [ 3119.778564][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.778564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.778564][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.778564][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.778564][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.778564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.778564][ T903] [ 3119.780792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3119.780792][ T903] netdev_get_by_index+0x5e/0x80 [ 3119.780792][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3119.780792][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3119.780792][ T903] ip6_route_add+0x1c/0x140 [ 3119.780792][ T903] addrconf_add_mroute+0x129/0x180 [ 3119.780792][ T903] addrconf_add_dev+0xe2/0x170 [ 3119.780792][ T903] inet6_addr_add+0x12f/0xa40 [ 3119.780792][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.780792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.780792][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.780792][ T903] netlink_unicast+0x449/0x710 [ 3119.780792][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.780792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.780792][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.780792][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.780792][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.780792][ T903] [ 3119.782968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3119.782968][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3119.782968][ T903] ipv6_find_idev+0x102/0x170 [ 3119.782968][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.782968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.782968][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.782968][ T903] netlink_unicast+0x449/0x710 [ 3119.782968][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.782968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.782968][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.782968][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.782968][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.782968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.782968][ T903] [ 3119.784678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3119.784678][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3119.784678][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3119.784678][ T903] ipv6_find_idev+0x102/0x170 [ 3119.784678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.784678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.784678][ T903] netlink_rcv_skb+0x130/0x360 [ 3119.784678][ T903] netlink_unicast+0x449/0x710 [ 3119.784678][ T903] netlink_sendmsg+0x723/0xbe0 [ 3119.784678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3119.784678][ T903] ___sys_sendmsg+0xee/0x170 [ 3119.784678][ T903] __sys_sendmsg+0xcd/0x170 [ 3119.784678][ T903] do_syscall_64+0xc6/0x1e0 [ 3119.784678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.784678][ T903] [ 3130.021865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3130.022502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3130.022502][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3130.022502][ T903] ip6_validate_gw+0x3eb/0x790 [ 3130.022502][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3130.022502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3130.022502][ T903] ip6_route_add+0x1c/0x140 [ 3130.022502][ T903] inet6_rtm_newroute+0x104/0x110 [ 3130.022502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.022502][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.022502][ T903] netlink_unicast+0x449/0x710 [ 3130.022502][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.022502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.022502][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.022502][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.022502][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.022502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.022502][ T903] [ 3130.024606][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3130.024606][ T903] netdev_get_by_index+0x5e/0x80 [ 3130.024606][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3130.024606][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3130.024606][ T903] ip6_route_add+0x1c/0x140 [ 3130.024606][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3130.024606][ T903] inet6_addr_add+0x4f8/0xa40 [ 3130.024606][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.024606][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.024606][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.024606][ T903] netlink_unicast+0x449/0x710 [ 3130.024606][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.024606][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.024606][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.024606][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.024606][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.024606][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.024606][ T903] [ 3130.026831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3130.026831][ T903] netdev_get_by_index+0x5e/0x80 [ 3130.026831][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3130.026831][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3130.026831][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3130.026831][ T903] ipv6_add_addr+0x411/0x2000 [ 3130.026831][ T903] inet6_addr_add+0x30e/0xa40 [ 3130.026831][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.026831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.026831][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.026831][ T903] netlink_unicast+0x449/0x710 [ 3130.026831][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.026831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.026831][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.026831][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.026831][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.026831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.026831][ T903] [ 3130.029022][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3130.029022][ T903] netdev_get_by_index+0x5e/0x80 [ 3130.029022][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3130.029022][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3130.029022][ T903] ip6_route_add+0x1c/0x140 [ 3130.029022][ T903] addrconf_add_mroute+0x129/0x180 [ 3130.029022][ T903] addrconf_add_dev+0xe2/0x170 [ 3130.029022][ T903] inet6_addr_add+0x12f/0xa40 [ 3130.029022][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.029022][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.029022][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.029022][ T903] netlink_unicast+0x449/0x710 [ 3130.029022][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.029022][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.029022][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.029022][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.029022][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.029022][ T903] [ 3130.031197][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3130.031197][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3130.031197][ T903] ipv6_find_idev+0x102/0x170 [ 3130.031197][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3130.031197][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.031197][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.031197][ T903] netlink_unicast+0x449/0x710 [ 3130.031197][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.031197][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.031197][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.031197][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.031197][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.031197][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.031197][ T903] [ 3130.032887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3130.032887][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3130.032887][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3130.032887][ T903] ipv6_find_idev+0x102/0x170 [ 3130.032887][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3130.032887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.032887][ T903] netlink_rcv_skb+0x130/0x360 [ 3130.032887][ T903] netlink_unicast+0x449/0x710 [ 3130.032887][ T903] netlink_sendmsg+0x723/0xbe0 [ 3130.032887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3130.032887][ T903] ___sys_sendmsg+0xee/0x170 [ 3130.032887][ T903] __sys_sendmsg+0xcd/0x170 [ 3130.032887][ T903] do_syscall_64+0xc6/0x1e0 [ 3130.032887][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.032887][ T903] [ 3140.277858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3140.278546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3140.278546][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3140.278546][ T903] ip6_validate_gw+0x3eb/0x790 [ 3140.278546][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3140.278546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3140.278546][ T903] ip6_route_add+0x1c/0x140 [ 3140.278546][ T903] inet6_rtm_newroute+0x104/0x110 [ 3140.278546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.278546][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.278546][ T903] netlink_unicast+0x449/0x710 [ 3140.278546][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.278546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.278546][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.278546][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.278546][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.278546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.278546][ T903] [ 3140.280705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3140.280705][ T903] netdev_get_by_index+0x5e/0x80 [ 3140.280705][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3140.280705][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3140.280705][ T903] ip6_route_add+0x1c/0x140 [ 3140.280705][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3140.280705][ T903] inet6_addr_add+0x4f8/0xa40 [ 3140.280705][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.280705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.280705][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.280705][ T903] netlink_unicast+0x449/0x710 [ 3140.280705][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.280705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.280705][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.280705][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.280705][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.280705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.280705][ T903] [ 3140.282907][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3140.282907][ T903] netdev_get_by_index+0x5e/0x80 [ 3140.282907][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3140.282907][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3140.282907][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3140.282907][ T903] ipv6_add_addr+0x411/0x2000 [ 3140.282907][ T903] inet6_addr_add+0x30e/0xa40 [ 3140.282907][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.282907][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.282907][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.282907][ T903] netlink_unicast+0x449/0x710 [ 3140.282907][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.282907][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.282907][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.282907][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.282907][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.282907][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.282907][ T903] [ 3140.285054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3140.285054][ T903] netdev_get_by_index+0x5e/0x80 [ 3140.285054][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3140.285054][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3140.285054][ T903] ip6_route_add+0x1c/0x140 [ 3140.285054][ T903] addrconf_add_mroute+0x129/0x180 [ 3140.285054][ T903] addrconf_add_dev+0xe2/0x170 [ 3140.285054][ T903] inet6_addr_add+0x12f/0xa40 [ 3140.285054][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.285054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.285054][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.285054][ T903] netlink_unicast+0x449/0x710 [ 3140.285054][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.285054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.285054][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.285054][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.285054][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.285054][ T903] [ 3140.287155][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3140.287155][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3140.287155][ T903] ipv6_find_idev+0x102/0x170 [ 3140.287155][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3140.287155][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.287155][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.287155][ T903] netlink_unicast+0x449/0x710 [ 3140.287155][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.287155][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.287155][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.287155][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.287155][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.287155][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.287155][ T903] [ 3140.288843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3140.288843][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3140.288843][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3140.288843][ T903] ipv6_find_idev+0x102/0x170 [ 3140.288843][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3140.288843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.288843][ T903] netlink_rcv_skb+0x130/0x360 [ 3140.288843][ T903] netlink_unicast+0x449/0x710 [ 3140.288843][ T903] netlink_sendmsg+0x723/0xbe0 [ 3140.288843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3140.288843][ T903] ___sys_sendmsg+0xee/0x170 [ 3140.288843][ T903] __sys_sendmsg+0xcd/0x170 [ 3140.288843][ T903] do_syscall_64+0xc6/0x1e0 [ 3140.288843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.288843][ T903] [ 3150.525956][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3150.526758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3150.526758][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3150.526758][ T903] ip6_validate_gw+0x3eb/0x790 [ 3150.526758][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3150.526758][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3150.526758][ T903] ip6_route_add+0x1c/0x140 [ 3150.526758][ T903] inet6_rtm_newroute+0x104/0x110 [ 3150.526758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.526758][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.526758][ T903] netlink_unicast+0x449/0x710 [ 3150.526758][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.526758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.526758][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.526758][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.526758][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.526758][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.526758][ T903] [ 3150.529310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3150.529310][ T903] netdev_get_by_index+0x5e/0x80 [ 3150.529310][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3150.529310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3150.529310][ T903] ip6_route_add+0x1c/0x140 [ 3150.529310][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3150.529310][ T903] inet6_addr_add+0x4f8/0xa40 [ 3150.529310][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.529310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.529310][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.529310][ T903] netlink_unicast+0x449/0x710 [ 3150.529310][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.529310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.529310][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.529310][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.529310][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.529310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.529310][ T903] [ 3150.531900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3150.531900][ T903] netdev_get_by_index+0x5e/0x80 [ 3150.531900][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3150.531900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3150.531900][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3150.531900][ T903] ipv6_add_addr+0x411/0x2000 [ 3150.531900][ T903] inet6_addr_add+0x30e/0xa40 [ 3150.531900][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.531900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.531900][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.531900][ T903] netlink_unicast+0x449/0x710 [ 3150.531900][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.531900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.531900][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.531900][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.531900][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.531900][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.531900][ T903] [ 3150.534534][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3150.534534][ T903] netdev_get_by_index+0x5e/0x80 [ 3150.534534][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3150.534534][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3150.534534][ T903] ip6_route_add+0x1c/0x140 [ 3150.534534][ T903] addrconf_add_mroute+0x129/0x180 [ 3150.534534][ T903] addrconf_add_dev+0xe2/0x170 [ 3150.534534][ T903] inet6_addr_add+0x12f/0xa40 [ 3150.534534][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.534534][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.534534][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.534534][ T903] netlink_unicast+0x449/0x710 [ 3150.534534][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.534534][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.534534][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.534534][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.534534][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.534534][ T903] [ 3150.537049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3150.537049][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3150.537049][ T903] ipv6_find_idev+0x102/0x170 [ 3150.537049][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.537049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.537049][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.537049][ T903] netlink_unicast+0x449/0x710 [ 3150.537049][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.537049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.537049][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.537049][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.537049][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.537049][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.537049][ T903] [ 3150.539093][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3150.539093][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3150.539093][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3150.539093][ T903] ipv6_find_idev+0x102/0x170 [ 3150.539093][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.539093][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.539093][ T903] netlink_rcv_skb+0x130/0x360 [ 3150.539093][ T903] netlink_unicast+0x449/0x710 [ 3150.539093][ T903] netlink_sendmsg+0x723/0xbe0 [ 3150.539093][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3150.539093][ T903] ___sys_sendmsg+0xee/0x170 [ 3150.539093][ T903] __sys_sendmsg+0xcd/0x170 [ 3150.539093][ T903] do_syscall_64+0xc6/0x1e0 [ 3150.539093][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.539093][ T903] [ 3160.605866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3160.606651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3160.606651][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3160.606651][ T903] ip6_validate_gw+0x3eb/0x790 [ 3160.606651][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3160.606651][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3160.606651][ T903] ip6_route_add+0x1c/0x140 [ 3160.606651][ T903] inet6_rtm_newroute+0x104/0x110 [ 3160.606651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.606651][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.606651][ T903] netlink_unicast+0x449/0x710 [ 3160.606651][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.606651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.606651][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.606651][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.606651][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.606651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.606651][ T903] [ 3160.609163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3160.609163][ T903] netdev_get_by_index+0x5e/0x80 [ 3160.609163][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3160.609163][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3160.609163][ T903] ip6_route_add+0x1c/0x140 [ 3160.609163][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3160.609163][ T903] inet6_addr_add+0x4f8/0xa40 [ 3160.609163][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.609163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.609163][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.609163][ T903] netlink_unicast+0x449/0x710 [ 3160.609163][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.609163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.609163][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.609163][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.609163][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.609163][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.609163][ T903] [ 3160.611660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3160.611660][ T903] netdev_get_by_index+0x5e/0x80 [ 3160.611660][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3160.611660][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3160.611660][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3160.611660][ T903] ipv6_add_addr+0x411/0x2000 [ 3160.611660][ T903] inet6_addr_add+0x30e/0xa40 [ 3160.611660][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.611660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.611660][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.611660][ T903] netlink_unicast+0x449/0x710 [ 3160.611660][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.611660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.611660][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.611660][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.611660][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.611660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.611660][ T903] [ 3160.614279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3160.614279][ T903] netdev_get_by_index+0x5e/0x80 [ 3160.614279][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3160.614279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3160.614279][ T903] ip6_route_add+0x1c/0x140 [ 3160.614279][ T903] addrconf_add_mroute+0x129/0x180 [ 3160.614279][ T903] addrconf_add_dev+0xe2/0x170 [ 3160.614279][ T903] inet6_addr_add+0x12f/0xa40 [ 3160.614279][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.614279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.614279][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.614279][ T903] netlink_unicast+0x449/0x710 [ 3160.614279][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.614279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.614279][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.614279][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.614279][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.614279][ T903] [ 3160.616828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3160.616828][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3160.616828][ T903] ipv6_find_idev+0x102/0x170 [ 3160.616828][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.616828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.616828][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.616828][ T903] netlink_unicast+0x449/0x710 [ 3160.616828][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.616828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.616828][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.616828][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.616828][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.616828][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.616828][ T903] [ 3160.618933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3160.618933][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3160.618933][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3160.618933][ T903] ipv6_find_idev+0x102/0x170 [ 3160.618933][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.618933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.618933][ T903] netlink_rcv_skb+0x130/0x360 [ 3160.618933][ T903] netlink_unicast+0x449/0x710 [ 3160.618933][ T903] netlink_sendmsg+0x723/0xbe0 [ 3160.618933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3160.618933][ T903] ___sys_sendmsg+0xee/0x170 [ 3160.618933][ T903] __sys_sendmsg+0xcd/0x170 [ 3160.618933][ T903] do_syscall_64+0xc6/0x1e0 [ 3160.618933][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.618933][ T903] [ 3170.861898][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3170.862586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3170.862586][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3170.862586][ T903] ip6_validate_gw+0x3eb/0x790 [ 3170.862586][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3170.862586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3170.862586][ T903] ip6_route_add+0x1c/0x140 [ 3170.862586][ T903] inet6_rtm_newroute+0x104/0x110 [ 3170.862586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.862586][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.862586][ T903] netlink_unicast+0x449/0x710 [ 3170.862586][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.862586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.862586][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.862586][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.862586][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.862586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.862586][ T903] [ 3170.864640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3170.864640][ T903] netdev_get_by_index+0x5e/0x80 [ 3170.864640][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3170.864640][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3170.864640][ T903] ip6_route_add+0x1c/0x140 [ 3170.864640][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3170.864640][ T903] inet6_addr_add+0x4f8/0xa40 [ 3170.864640][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.864640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.864640][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.864640][ T903] netlink_unicast+0x449/0x710 [ 3170.864640][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.864640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.864640][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.864640][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.864640][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.864640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.864640][ T903] [ 3170.866822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3170.866822][ T903] netdev_get_by_index+0x5e/0x80 [ 3170.866822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3170.866822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3170.866822][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3170.866822][ T903] ipv6_add_addr+0x411/0x2000 [ 3170.866822][ T903] inet6_addr_add+0x30e/0xa40 [ 3170.866822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.866822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.866822][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.866822][ T903] netlink_unicast+0x449/0x710 [ 3170.866822][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.866822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.866822][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.866822][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.866822][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.866822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.866822][ T903] [ 3170.869012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3170.869012][ T903] netdev_get_by_index+0x5e/0x80 [ 3170.869012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3170.869012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3170.869012][ T903] ip6_route_add+0x1c/0x140 [ 3170.869012][ T903] addrconf_add_mroute+0x129/0x180 [ 3170.869012][ T903] addrconf_add_dev+0xe2/0x170 [ 3170.869012][ T903] inet6_addr_add+0x12f/0xa40 [ 3170.869012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3170.869012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.869012][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.869012][ T903] netlink_unicast+0x449/0x710 [ 3170.869012][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.869012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.869012][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.869012][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.869012][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.869012][ T903] [ 3170.871130][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3170.871130][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3170.871130][ T903] ipv6_find_idev+0x102/0x170 [ 3170.871130][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.871130][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.871130][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.871130][ T903] netlink_unicast+0x449/0x710 [ 3170.871130][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.871130][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.871130][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.871130][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.871130][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.871130][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.871130][ T903] [ 3170.872813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3170.872813][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3170.872813][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3170.872813][ T903] ipv6_find_idev+0x102/0x170 [ 3170.872813][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3170.872813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3170.872813][ T903] netlink_rcv_skb+0x130/0x360 [ 3170.872813][ T903] netlink_unicast+0x449/0x710 [ 3170.872813][ T903] netlink_sendmsg+0x723/0xbe0 [ 3170.872813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3170.872813][ T903] ___sys_sendmsg+0xee/0x170 [ 3170.872813][ T903] __sys_sendmsg+0xcd/0x170 [ 3170.872813][ T903] do_syscall_64+0xc6/0x1e0 [ 3170.872813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3170.872813][ T903] [ 3181.109929][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3181.110467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3181.110467][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3181.110467][ T903] ip6_validate_gw+0x3eb/0x790 [ 3181.110467][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3181.110467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3181.110467][ T903] ip6_route_add+0x1c/0x140 [ 3181.110467][ T903] inet6_rtm_newroute+0x104/0x110 [ 3181.110467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.110467][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.110467][ T903] netlink_unicast+0x449/0x710 [ 3181.110467][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.110467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.110467][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.110467][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.110467][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.110467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.110467][ T903] [ 3181.112554][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3181.112554][ T903] netdev_get_by_index+0x5e/0x80 [ 3181.112554][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3181.112554][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3181.112554][ T903] ip6_route_add+0x1c/0x140 [ 3181.112554][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3181.112554][ T903] inet6_addr_add+0x4f8/0xa40 [ 3181.112554][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.112554][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.112554][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.112554][ T903] netlink_unicast+0x449/0x710 [ 3181.112554][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.112554][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.112554][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.112554][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.112554][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.112554][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.112554][ T903] [ 3181.114781][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3181.114781][ T903] netdev_get_by_index+0x5e/0x80 [ 3181.114781][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3181.114781][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3181.114781][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3181.114781][ T903] ipv6_add_addr+0x411/0x2000 [ 3181.114781][ T903] inet6_addr_add+0x30e/0xa40 [ 3181.114781][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.114781][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.114781][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.114781][ T903] netlink_unicast+0x449/0x710 [ 3181.114781][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.114781][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.114781][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.114781][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.114781][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.114781][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.114781][ T903] [ 3181.116923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3181.116923][ T903] netdev_get_by_index+0x5e/0x80 [ 3181.116923][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3181.116923][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3181.116923][ T903] ip6_route_add+0x1c/0x140 [ 3181.116923][ T903] addrconf_add_mroute+0x129/0x180 [ 3181.116923][ T903] addrconf_add_dev+0xe2/0x170 [ 3181.116923][ T903] inet6_addr_add+0x12f/0xa40 [ 3181.116923][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.116923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.116923][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.116923][ T903] netlink_unicast+0x449/0x710 [ 3181.116923][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.116923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.116923][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.116923][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.116923][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.116923][ T903] [ 3181.119091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3181.119091][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3181.119091][ T903] ipv6_find_idev+0x102/0x170 [ 3181.119091][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3181.119091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.119091][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.119091][ T903] netlink_unicast+0x449/0x710 [ 3181.119091][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.119091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.119091][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.119091][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.119091][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.119091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.119091][ T903] [ 3181.120873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3181.120873][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3181.120873][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3181.120873][ T903] ipv6_find_idev+0x102/0x170 [ 3181.120873][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3181.120873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.120873][ T903] netlink_rcv_skb+0x130/0x360 [ 3181.120873][ T903] netlink_unicast+0x449/0x710 [ 3181.120873][ T903] netlink_sendmsg+0x723/0xbe0 [ 3181.120873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3181.120873][ T903] ___sys_sendmsg+0xee/0x170 [ 3181.120873][ T903] __sys_sendmsg+0xcd/0x170 [ 3181.120873][ T903] do_syscall_64+0xc6/0x1e0 [ 3181.120873][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.120873][ T903] [ 3191.365954][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3191.366744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3191.366744][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3191.366744][ T903] ip6_validate_gw+0x3eb/0x790 [ 3191.366744][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3191.366744][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3191.366744][ T903] ip6_route_add+0x1c/0x140 [ 3191.366744][ T903] inet6_rtm_newroute+0x104/0x110 [ 3191.366744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.366744][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.366744][ T903] netlink_unicast+0x449/0x710 [ 3191.366744][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.366744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.366744][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.366744][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.366744][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.366744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.366744][ T903] [ 3191.368837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3191.368837][ T903] netdev_get_by_index+0x5e/0x80 [ 3191.368837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3191.368837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3191.368837][ T903] ip6_route_add+0x1c/0x140 [ 3191.368837][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3191.368837][ T903] inet6_addr_add+0x4f8/0xa40 [ 3191.368837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.368837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.368837][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.368837][ T903] netlink_unicast+0x449/0x710 [ 3191.368837][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.368837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.368837][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.368837][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.368837][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.368837][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.368837][ T903] [ 3191.370983][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3191.370983][ T903] netdev_get_by_index+0x5e/0x80 [ 3191.370983][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3191.370983][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3191.370983][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3191.370983][ T903] ipv6_add_addr+0x411/0x2000 [ 3191.370983][ T903] inet6_addr_add+0x30e/0xa40 [ 3191.370983][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.370983][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.370983][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.370983][ T903] netlink_unicast+0x449/0x710 [ 3191.370983][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.370983][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.370983][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.370983][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.370983][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.370983][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.370983][ T903] [ 3191.373164][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3191.373164][ T903] netdev_get_by_index+0x5e/0x80 [ 3191.373164][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3191.373164][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3191.373164][ T903] ip6_route_add+0x1c/0x140 [ 3191.373164][ T903] addrconf_add_mroute+0x129/0x180 [ 3191.373164][ T903] addrconf_add_dev+0xe2/0x170 [ 3191.373164][ T903] inet6_addr_add+0x12f/0xa40 [ 3191.373164][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.373164][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.373164][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.373164][ T903] netlink_unicast+0x449/0x710 [ 3191.373164][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.373164][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.373164][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.373164][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.373164][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.373164][ T903] [ 3191.375231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3191.375231][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3191.375231][ T903] ipv6_find_idev+0x102/0x170 [ 3191.375231][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3191.375231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.375231][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.375231][ T903] netlink_unicast+0x449/0x710 [ 3191.375231][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.375231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.375231][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.375231][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.375231][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.375231][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.375231][ T903] [ 3191.376906][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3191.376906][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3191.376906][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3191.376906][ T903] ipv6_find_idev+0x102/0x170 [ 3191.376906][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3191.376906][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.376906][ T903] netlink_rcv_skb+0x130/0x360 [ 3191.376906][ T903] netlink_unicast+0x449/0x710 [ 3191.376906][ T903] netlink_sendmsg+0x723/0xbe0 [ 3191.376906][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3191.376906][ T903] ___sys_sendmsg+0xee/0x170 [ 3191.376906][ T903] __sys_sendmsg+0xcd/0x170 [ 3191.376906][ T903] do_syscall_64+0xc6/0x1e0 [ 3191.376906][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.376906][ T903] [ 3201.621889][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3201.622677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3201.622677][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3201.622677][ T903] ip6_validate_gw+0x3eb/0x790 [ 3201.622677][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3201.622677][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3201.622677][ T903] ip6_route_add+0x1c/0x140 [ 3201.622677][ T903] inet6_rtm_newroute+0x104/0x110 [ 3201.622677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.622677][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.622677][ T903] netlink_unicast+0x449/0x710 [ 3201.622677][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.622677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.622677][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.622677][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.622677][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.622677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.622677][ T903] [ 3201.624743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3201.624743][ T903] netdev_get_by_index+0x5e/0x80 [ 3201.624743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3201.624743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3201.624743][ T903] ip6_route_add+0x1c/0x140 [ 3201.624743][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3201.624743][ T903] inet6_addr_add+0x4f8/0xa40 [ 3201.624743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.624743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.624743][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.624743][ T903] netlink_unicast+0x449/0x710 [ 3201.624743][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.624743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.624743][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.624743][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.624743][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.624743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.624743][ T903] [ 3201.626944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3201.626944][ T903] netdev_get_by_index+0x5e/0x80 [ 3201.626944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3201.626944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3201.626944][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3201.626944][ T903] ipv6_add_addr+0x411/0x2000 [ 3201.626944][ T903] inet6_addr_add+0x30e/0xa40 [ 3201.626944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.626944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.626944][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.626944][ T903] netlink_unicast+0x449/0x710 [ 3201.626944][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.626944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.626944][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.626944][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.626944][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.626944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.626944][ T903] [ 3201.629316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3201.629316][ T903] netdev_get_by_index+0x5e/0x80 [ 3201.629316][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3201.629316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3201.629316][ T903] ip6_route_add+0x1c/0x140 [ 3201.629316][ T903] addrconf_add_mroute+0x129/0x180 [ 3201.629316][ T903] addrconf_add_dev+0xe2/0x170 [ 3201.629316][ T903] inet6_addr_add+0x12f/0xa40 [ 3201.629316][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.629316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.629316][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.629316][ T903] netlink_unicast+0x449/0x710 [ 3201.629316][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.629316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.629316][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.629316][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.629316][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.629316][ T903] [ 3201.631503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3201.631503][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3201.631503][ T903] ipv6_find_idev+0x102/0x170 [ 3201.631503][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3201.631503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.631503][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.631503][ T903] netlink_unicast+0x449/0x710 [ 3201.631503][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.631503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.631503][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.631503][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.631503][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.631503][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.631503][ T903] [ 3201.633218][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3201.633218][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3201.633218][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3201.633218][ T903] ipv6_find_idev+0x102/0x170 [ 3201.633218][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3201.633218][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.633218][ T903] netlink_rcv_skb+0x130/0x360 [ 3201.633218][ T903] netlink_unicast+0x449/0x710 [ 3201.633218][ T903] netlink_sendmsg+0x723/0xbe0 [ 3201.633218][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3201.633218][ T903] ___sys_sendmsg+0xee/0x170 [ 3201.633218][ T903] __sys_sendmsg+0xcd/0x170 [ 3201.633218][ T903] do_syscall_64+0xc6/0x1e0 [ 3201.633218][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.633218][ T903] [ 3211.717855][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3211.718493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3211.718493][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3211.718493][ T903] ip6_validate_gw+0x3eb/0x790 [ 3211.718493][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3211.718493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3211.718493][ T903] ip6_route_add+0x1c/0x140 [ 3211.718493][ T903] inet6_rtm_newroute+0x104/0x110 [ 3211.718493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.718493][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.718493][ T903] netlink_unicast+0x449/0x710 [ 3211.718493][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.718493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.718493][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.718493][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.718493][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.718493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.718493][ T903] [ 3211.720522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3211.720522][ T903] netdev_get_by_index+0x5e/0x80 [ 3211.720522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3211.720522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3211.720522][ T903] ip6_route_add+0x1c/0x140 [ 3211.720522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3211.720522][ T903] inet6_addr_add+0x4f8/0xa40 [ 3211.720522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.720522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.720522][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.720522][ T903] netlink_unicast+0x449/0x710 [ 3211.720522][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.720522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.720522][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.720522][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.720522][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.720522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.720522][ T903] [ 3211.722576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3211.722576][ T903] netdev_get_by_index+0x5e/0x80 [ 3211.722576][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3211.722576][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3211.722576][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3211.722576][ T903] ipv6_add_addr+0x411/0x2000 [ 3211.722576][ T903] inet6_addr_add+0x30e/0xa40 [ 3211.722576][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.722576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.722576][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.722576][ T903] netlink_unicast+0x449/0x710 [ 3211.722576][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.722576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.722576][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.722576][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.722576][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.722576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.722576][ T903] [ 3211.724729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3211.724729][ T903] netdev_get_by_index+0x5e/0x80 [ 3211.724729][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3211.724729][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3211.724729][ T903] ip6_route_add+0x1c/0x140 [ 3211.724729][ T903] addrconf_add_mroute+0x129/0x180 [ 3211.724729][ T903] addrconf_add_dev+0xe2/0x170 [ 3211.724729][ T903] inet6_addr_add+0x12f/0xa40 [ 3211.724729][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3211.724729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.724729][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.724729][ T903] netlink_unicast+0x449/0x710 [ 3211.724729][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.724729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.724729][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.724729][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.724729][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.724729][ T903] [ 3211.726853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3211.726853][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3211.726853][ T903] ipv6_find_idev+0x102/0x170 [ 3211.726853][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.726853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.726853][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.726853][ T903] netlink_unicast+0x449/0x710 [ 3211.726853][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.726853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.726853][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.726853][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.726853][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.726853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.726853][ T903] [ 3211.728553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3211.728553][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3211.728553][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3211.728553][ T903] ipv6_find_idev+0x102/0x170 [ 3211.728553][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3211.728553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3211.728553][ T903] netlink_rcv_skb+0x130/0x360 [ 3211.728553][ T903] netlink_unicast+0x449/0x710 [ 3211.728553][ T903] netlink_sendmsg+0x723/0xbe0 [ 3211.728553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3211.728553][ T903] ___sys_sendmsg+0xee/0x170 [ 3211.728553][ T903] __sys_sendmsg+0xcd/0x170 [ 3211.728553][ T903] do_syscall_64+0xc6/0x1e0 [ 3211.728553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3211.728553][ T903] [ 3221.981872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3221.982604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3221.982604][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3221.982604][ T903] ip6_validate_gw+0x3eb/0x790 [ 3221.982604][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3221.982604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3221.982604][ T903] ip6_route_add+0x1c/0x140 [ 3221.982604][ T903] inet6_rtm_newroute+0x104/0x110 [ 3221.982604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.982604][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.982604][ T903] netlink_unicast+0x449/0x710 [ 3221.982604][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.982604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.982604][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.982604][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.982604][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.982604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.982604][ T903] [ 3221.984730][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3221.984730][ T903] netdev_get_by_index+0x5e/0x80 [ 3221.984730][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3221.984730][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3221.984730][ T903] ip6_route_add+0x1c/0x140 [ 3221.984730][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3221.984730][ T903] inet6_addr_add+0x4f8/0xa40 [ 3221.984730][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.984730][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.984730][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.984730][ T903] netlink_unicast+0x449/0x710 [ 3221.984730][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.984730][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.984730][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.984730][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.984730][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.984730][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.984730][ T903] [ 3221.986886][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3221.986886][ T903] netdev_get_by_index+0x5e/0x80 [ 3221.986886][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3221.986886][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3221.986886][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3221.986886][ T903] ipv6_add_addr+0x411/0x2000 [ 3221.986886][ T903] inet6_addr_add+0x30e/0xa40 [ 3221.986886][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.986886][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.986886][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.986886][ T903] netlink_unicast+0x449/0x710 [ 3221.986886][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.986886][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.986886][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.986886][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.986886][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.986886][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.986886][ T903] [ 3221.988961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3221.988961][ T903] netdev_get_by_index+0x5e/0x80 [ 3221.988961][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3221.988961][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3221.988961][ T903] ip6_route_add+0x1c/0x140 [ 3221.988961][ T903] addrconf_add_mroute+0x129/0x180 [ 3221.988961][ T903] addrconf_add_dev+0xe2/0x170 [ 3221.988961][ T903] inet6_addr_add+0x12f/0xa40 [ 3221.988961][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3221.988961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.988961][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.988961][ T903] netlink_unicast+0x449/0x710 [ 3221.988961][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.988961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.988961][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.988961][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.988961][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.988961][ T903] [ 3221.991060][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3221.991060][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3221.991060][ T903] ipv6_find_idev+0x102/0x170 [ 3221.991060][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.991060][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.991060][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.991060][ T903] netlink_unicast+0x449/0x710 [ 3221.991060][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.991060][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.991060][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.991060][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.991060][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.991060][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.991060][ T903] [ 3221.992650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3221.992650][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3221.992650][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3221.992650][ T903] ipv6_find_idev+0x102/0x170 [ 3221.992650][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3221.992650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3221.992650][ T903] netlink_rcv_skb+0x130/0x360 [ 3221.992650][ T903] netlink_unicast+0x449/0x710 [ 3221.992650][ T903] netlink_sendmsg+0x723/0xbe0 [ 3221.992650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3221.992650][ T903] ___sys_sendmsg+0xee/0x170 [ 3221.992650][ T903] __sys_sendmsg+0xcd/0x170 [ 3221.992650][ T903] do_syscall_64+0xc6/0x1e0 [ 3221.992650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3221.992650][ T903] [ 3232.237944][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3232.238470][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3232.238470][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3232.238470][ T903] ip6_validate_gw+0x3eb/0x790 [ 3232.238470][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3232.238470][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3232.238470][ T903] ip6_route_add+0x1c/0x140 [ 3232.238470][ T903] inet6_rtm_newroute+0x104/0x110 [ 3232.238470][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.238470][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.238470][ T903] netlink_unicast+0x449/0x710 [ 3232.238470][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.238470][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.238470][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.238470][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.238470][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.238470][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.238470][ T903] [ 3232.240571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3232.240571][ T903] netdev_get_by_index+0x5e/0x80 [ 3232.240571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3232.240571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3232.240571][ T903] ip6_route_add+0x1c/0x140 [ 3232.240571][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3232.240571][ T903] inet6_addr_add+0x4f8/0xa40 [ 3232.240571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.240571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.240571][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.240571][ T903] netlink_unicast+0x449/0x710 [ 3232.240571][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.240571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.240571][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.240571][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.240571][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.240571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.240571][ T903] [ 3232.242742][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3232.242742][ T903] netdev_get_by_index+0x5e/0x80 [ 3232.242742][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3232.242742][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3232.242742][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3232.242742][ T903] ipv6_add_addr+0x411/0x2000 [ 3232.242742][ T903] inet6_addr_add+0x30e/0xa40 [ 3232.242742][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.242742][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.242742][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.242742][ T903] netlink_unicast+0x449/0x710 [ 3232.242742][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.242742][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.242742][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.242742][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.242742][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.242742][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.242742][ T903] [ 3232.244942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3232.244942][ T903] netdev_get_by_index+0x5e/0x80 [ 3232.244942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3232.244942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3232.244942][ T903] ip6_route_add+0x1c/0x140 [ 3232.244942][ T903] addrconf_add_mroute+0x129/0x180 [ 3232.244942][ T903] addrconf_add_dev+0xe2/0x170 [ 3232.244942][ T903] inet6_addr_add+0x12f/0xa40 [ 3232.244942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.244942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.244942][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.244942][ T903] netlink_unicast+0x449/0x710 [ 3232.244942][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.244942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.244942][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.244942][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.244942][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.244942][ T903] [ 3232.247114][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3232.247114][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3232.247114][ T903] ipv6_find_idev+0x102/0x170 [ 3232.247114][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3232.247114][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.247114][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.247114][ T903] netlink_unicast+0x449/0x710 [ 3232.247114][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.247114][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.247114][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.247114][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.247114][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.247114][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.247114][ T903] [ 3232.248756][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3232.248756][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3232.248756][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3232.248756][ T903] ipv6_find_idev+0x102/0x170 [ 3232.248756][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3232.248756][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.248756][ T903] netlink_rcv_skb+0x130/0x360 [ 3232.248756][ T903] netlink_unicast+0x449/0x710 [ 3232.248756][ T903] netlink_sendmsg+0x723/0xbe0 [ 3232.248756][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3232.248756][ T903] ___sys_sendmsg+0xee/0x170 [ 3232.248756][ T903] __sys_sendmsg+0xcd/0x170 [ 3232.248756][ T903] do_syscall_64+0xc6/0x1e0 [ 3232.248756][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.248756][ T903] [ 3242.501911][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3242.502591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3242.502591][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3242.502591][ T903] ip6_validate_gw+0x3eb/0x790 [ 3242.502591][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3242.502591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3242.502591][ T903] ip6_route_add+0x1c/0x140 [ 3242.502591][ T903] inet6_rtm_newroute+0x104/0x110 [ 3242.502591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.502591][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.502591][ T903] netlink_unicast+0x449/0x710 [ 3242.502591][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.502591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.502591][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.502591][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.502591][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.502591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.502591][ T903] [ 3242.504649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3242.504649][ T903] netdev_get_by_index+0x5e/0x80 [ 3242.504649][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3242.504649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3242.504649][ T903] ip6_route_add+0x1c/0x140 [ 3242.504649][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3242.504649][ T903] inet6_addr_add+0x4f8/0xa40 [ 3242.504649][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.504649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.504649][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.504649][ T903] netlink_unicast+0x449/0x710 [ 3242.504649][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.504649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.504649][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.504649][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.504649][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.504649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.504649][ T903] [ 3242.506925][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3242.506925][ T903] netdev_get_by_index+0x5e/0x80 [ 3242.506925][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3242.506925][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3242.506925][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3242.506925][ T903] ipv6_add_addr+0x411/0x2000 [ 3242.506925][ T903] inet6_addr_add+0x30e/0xa40 [ 3242.506925][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.506925][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.506925][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.506925][ T903] netlink_unicast+0x449/0x710 [ 3242.506925][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.506925][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.506925][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.506925][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.506925][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.506925][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.506925][ T903] [ 3242.509092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3242.509092][ T903] netdev_get_by_index+0x5e/0x80 [ 3242.509092][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3242.509092][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3242.509092][ T903] ip6_route_add+0x1c/0x140 [ 3242.509092][ T903] addrconf_add_mroute+0x129/0x180 [ 3242.509092][ T903] addrconf_add_dev+0xe2/0x170 [ 3242.509092][ T903] inet6_addr_add+0x12f/0xa40 [ 3242.509092][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.509092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.509092][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.509092][ T903] netlink_unicast+0x449/0x710 [ 3242.509092][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.509092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.509092][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.509092][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.509092][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.509092][ T903] [ 3242.511238][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3242.511238][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3242.511238][ T903] ipv6_find_idev+0x102/0x170 [ 3242.511238][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.511238][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.511238][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.511238][ T903] netlink_unicast+0x449/0x710 [ 3242.511238][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.511238][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.511238][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.511238][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.511238][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.511238][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.511238][ T903] [ 3242.512889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3242.512889][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3242.512889][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3242.512889][ T903] ipv6_find_idev+0x102/0x170 [ 3242.512889][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.512889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.512889][ T903] netlink_rcv_skb+0x130/0x360 [ 3242.512889][ T903] netlink_unicast+0x449/0x710 [ 3242.512889][ T903] netlink_sendmsg+0x723/0xbe0 [ 3242.512889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3242.512889][ T903] ___sys_sendmsg+0xee/0x170 [ 3242.512889][ T903] __sys_sendmsg+0xcd/0x170 [ 3242.512889][ T903] do_syscall_64+0xc6/0x1e0 [ 3242.512889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.512889][ T903] [ 3252.765886][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3252.766607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3252.766607][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3252.766607][ T903] ip6_validate_gw+0x3eb/0x790 [ 3252.766607][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3252.766607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3252.766607][ T903] ip6_route_add+0x1c/0x140 [ 3252.766607][ T903] inet6_rtm_newroute+0x104/0x110 [ 3252.766607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.766607][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.766607][ T903] netlink_unicast+0x449/0x710 [ 3252.766607][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.766607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.766607][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.766607][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.766607][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.766607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.766607][ T903] [ 3252.768663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3252.768663][ T903] netdev_get_by_index+0x5e/0x80 [ 3252.768663][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3252.768663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3252.768663][ T903] ip6_route_add+0x1c/0x140 [ 3252.768663][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3252.768663][ T903] inet6_addr_add+0x4f8/0xa40 [ 3252.768663][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.768663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.768663][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.768663][ T903] netlink_unicast+0x449/0x710 [ 3252.768663][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.768663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.768663][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.768663][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.768663][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.768663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.768663][ T903] [ 3252.770798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3252.770798][ T903] netdev_get_by_index+0x5e/0x80 [ 3252.770798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3252.770798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3252.770798][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3252.770798][ T903] ipv6_add_addr+0x411/0x2000 [ 3252.770798][ T903] inet6_addr_add+0x30e/0xa40 [ 3252.770798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.770798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.770798][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.770798][ T903] netlink_unicast+0x449/0x710 [ 3252.770798][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.770798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.770798][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.770798][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.770798][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.770798][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.770798][ T903] [ 3252.772975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3252.772975][ T903] netdev_get_by_index+0x5e/0x80 [ 3252.772975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3252.772975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3252.772975][ T903] ip6_route_add+0x1c/0x140 [ 3252.772975][ T903] addrconf_add_mroute+0x129/0x180 [ 3252.772975][ T903] addrconf_add_dev+0xe2/0x170 [ 3252.772975][ T903] inet6_addr_add+0x12f/0xa40 [ 3252.772975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.772975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.772975][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.772975][ T903] netlink_unicast+0x449/0x710 [ 3252.772975][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.772975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.772975][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.772975][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.772975][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.772975][ T903] [ 3252.775156][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3252.775156][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3252.775156][ T903] ipv6_find_idev+0x102/0x170 [ 3252.775156][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.775156][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.775156][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.775156][ T903] netlink_unicast+0x449/0x710 [ 3252.775156][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.775156][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.775156][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.775156][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.775156][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.775156][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.775156][ T903] [ 3252.776897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3252.776897][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3252.776897][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3252.776897][ T903] ipv6_find_idev+0x102/0x170 [ 3252.776897][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.776897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.776897][ T903] netlink_rcv_skb+0x130/0x360 [ 3252.776897][ T903] netlink_unicast+0x449/0x710 [ 3252.776897][ T903] netlink_sendmsg+0x723/0xbe0 [ 3252.776897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3252.776897][ T903] ___sys_sendmsg+0xee/0x170 [ 3252.776897][ T903] __sys_sendmsg+0xcd/0x170 [ 3252.776897][ T903] do_syscall_64+0xc6/0x1e0 [ 3252.776897][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.776897][ T903] [ 3262.965915][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3262.966592][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3262.966592][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3262.966592][ T903] ip6_validate_gw+0x3eb/0x790 [ 3262.966592][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3262.966592][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3262.966592][ T903] ip6_route_add+0x1c/0x140 [ 3262.966592][ T903] inet6_rtm_newroute+0x104/0x110 [ 3262.966592][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.966592][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.966592][ T903] netlink_unicast+0x449/0x710 [ 3262.966592][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.966592][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.966592][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.966592][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.966592][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.966592][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.966592][ T903] [ 3262.968687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3262.968687][ T903] netdev_get_by_index+0x5e/0x80 [ 3262.968687][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3262.968687][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3262.968687][ T903] ip6_route_add+0x1c/0x140 [ 3262.968687][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3262.968687][ T903] inet6_addr_add+0x4f8/0xa40 [ 3262.968687][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.968687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.968687][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.968687][ T903] netlink_unicast+0x449/0x710 [ 3262.968687][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.968687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.968687][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.968687][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.968687][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.968687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.968687][ T903] [ 3262.970838][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3262.970838][ T903] netdev_get_by_index+0x5e/0x80 [ 3262.970838][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3262.970838][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3262.970838][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3262.970838][ T903] ipv6_add_addr+0x411/0x2000 [ 3262.970838][ T903] inet6_addr_add+0x30e/0xa40 [ 3262.970838][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.970838][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.970838][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.970838][ T903] netlink_unicast+0x449/0x710 [ 3262.970838][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.970838][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.970838][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.970838][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.970838][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.970838][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.970838][ T903] [ 3262.972984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3262.972984][ T903] netdev_get_by_index+0x5e/0x80 [ 3262.972984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3262.972984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3262.972984][ T903] ip6_route_add+0x1c/0x140 [ 3262.972984][ T903] addrconf_add_mroute+0x129/0x180 [ 3262.972984][ T903] addrconf_add_dev+0xe2/0x170 [ 3262.972984][ T903] inet6_addr_add+0x12f/0xa40 [ 3262.972984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.972984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.972984][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.972984][ T903] netlink_unicast+0x449/0x710 [ 3262.972984][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.972984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.972984][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.972984][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.972984][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.972984][ T903] [ 3262.975170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3262.975170][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3262.975170][ T903] ipv6_find_idev+0x102/0x170 [ 3262.975170][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.975170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.975170][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.975170][ T903] netlink_unicast+0x449/0x710 [ 3262.975170][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.975170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.975170][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.975170][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.975170][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.975170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.975170][ T903] [ 3262.976867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3262.976867][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3262.976867][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3262.976867][ T903] ipv6_find_idev+0x102/0x170 [ 3262.976867][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.976867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.976867][ T903] netlink_rcv_skb+0x130/0x360 [ 3262.976867][ T903] netlink_unicast+0x449/0x710 [ 3262.976867][ T903] netlink_sendmsg+0x723/0xbe0 [ 3262.976867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3262.976867][ T903] ___sys_sendmsg+0xee/0x170 [ 3262.976867][ T903] __sys_sendmsg+0xcd/0x170 [ 3262.976867][ T903] do_syscall_64+0xc6/0x1e0 [ 3262.976867][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.976867][ T903] [ 3273.221951][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3273.222531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3273.222531][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3273.222531][ T903] ip6_validate_gw+0x3eb/0x790 [ 3273.222531][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3273.222531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3273.222531][ T903] ip6_route_add+0x1c/0x140 [ 3273.222531][ T903] inet6_rtm_newroute+0x104/0x110 [ 3273.222531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.222531][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.222531][ T903] netlink_unicast+0x449/0x710 [ 3273.222531][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.222531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.222531][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.222531][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.222531][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.222531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.222531][ T903] [ 3273.224578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3273.224578][ T903] netdev_get_by_index+0x5e/0x80 [ 3273.224578][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3273.224578][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3273.224578][ T903] ip6_route_add+0x1c/0x140 [ 3273.224578][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3273.224578][ T903] inet6_addr_add+0x4f8/0xa40 [ 3273.224578][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.224578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.224578][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.224578][ T903] netlink_unicast+0x449/0x710 [ 3273.224578][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.224578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.224578][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.224578][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.224578][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.224578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.224578][ T903] [ 3273.226734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3273.226734][ T903] netdev_get_by_index+0x5e/0x80 [ 3273.226734][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3273.226734][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3273.226734][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3273.226734][ T903] ipv6_add_addr+0x411/0x2000 [ 3273.226734][ T903] inet6_addr_add+0x30e/0xa40 [ 3273.226734][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.226734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.226734][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.226734][ T903] netlink_unicast+0x449/0x710 [ 3273.226734][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.226734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.226734][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.226734][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.226734][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.226734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.226734][ T903] [ 3273.228873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3273.228873][ T903] netdev_get_by_index+0x5e/0x80 [ 3273.228873][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3273.228873][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3273.228873][ T903] ip6_route_add+0x1c/0x140 [ 3273.228873][ T903] addrconf_add_mroute+0x129/0x180 [ 3273.228873][ T903] addrconf_add_dev+0xe2/0x170 [ 3273.228873][ T903] inet6_addr_add+0x12f/0xa40 [ 3273.228873][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.228873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.228873][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.228873][ T903] netlink_unicast+0x449/0x710 [ 3273.228873][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.228873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.228873][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.228873][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.228873][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.228873][ T903] [ 3273.231080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3273.231080][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3273.231080][ T903] ipv6_find_idev+0x102/0x170 [ 3273.231080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3273.231080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.231080][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.231080][ T903] netlink_unicast+0x449/0x710 [ 3273.231080][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.231080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.231080][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.231080][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.231080][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.231080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.231080][ T903] [ 3273.232773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3273.232773][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3273.232773][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3273.232773][ T903] ipv6_find_idev+0x102/0x170 [ 3273.232773][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3273.232773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.232773][ T903] netlink_rcv_skb+0x130/0x360 [ 3273.232773][ T903] netlink_unicast+0x449/0x710 [ 3273.232773][ T903] netlink_sendmsg+0x723/0xbe0 [ 3273.232773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3273.232773][ T903] ___sys_sendmsg+0xee/0x170 [ 3273.232773][ T903] __sys_sendmsg+0xcd/0x170 [ 3273.232773][ T903] do_syscall_64+0xc6/0x1e0 [ 3273.232773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.232773][ T903] [ 3283.469947][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3283.470474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3283.470474][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3283.470474][ T903] ip6_validate_gw+0x3eb/0x790 [ 3283.470474][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3283.470474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3283.470474][ T903] ip6_route_add+0x1c/0x140 [ 3283.470474][ T903] inet6_rtm_newroute+0x104/0x110 [ 3283.470474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.470474][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.470474][ T903] netlink_unicast+0x449/0x710 [ 3283.470474][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.470474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.470474][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.470474][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.470474][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.470474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.470474][ T903] [ 3283.472577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3283.472577][ T903] netdev_get_by_index+0x5e/0x80 [ 3283.472577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3283.472577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3283.472577][ T903] ip6_route_add+0x1c/0x140 [ 3283.472577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3283.472577][ T903] inet6_addr_add+0x4f8/0xa40 [ 3283.472577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.472577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.472577][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.472577][ T903] netlink_unicast+0x449/0x710 [ 3283.472577][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.472577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.472577][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.472577][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.472577][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.472577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.472577][ T903] [ 3283.474714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3283.474714][ T903] netdev_get_by_index+0x5e/0x80 [ 3283.474714][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3283.474714][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3283.474714][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3283.474714][ T903] ipv6_add_addr+0x411/0x2000 [ 3283.474714][ T903] inet6_addr_add+0x30e/0xa40 [ 3283.474714][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.474714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.474714][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.474714][ T903] netlink_unicast+0x449/0x710 [ 3283.474714][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.474714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.474714][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.474714][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.474714][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.474714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.474714][ T903] [ 3283.476870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3283.476870][ T903] netdev_get_by_index+0x5e/0x80 [ 3283.476870][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3283.476870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3283.476870][ T903] ip6_route_add+0x1c/0x140 [ 3283.476870][ T903] addrconf_add_mroute+0x129/0x180 [ 3283.476870][ T903] addrconf_add_dev+0xe2/0x170 [ 3283.476870][ T903] inet6_addr_add+0x12f/0xa40 [ 3283.476870][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.476870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.476870][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.476870][ T903] netlink_unicast+0x449/0x710 [ 3283.476870][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.476870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.476870][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.476870][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.476870][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.476870][ T903] [ 3283.478972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3283.478972][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3283.478972][ T903] ipv6_find_idev+0x102/0x170 [ 3283.478972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3283.478972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.478972][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.478972][ T903] netlink_unicast+0x449/0x710 [ 3283.478972][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.478972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.478972][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.478972][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.478972][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.478972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.478972][ T903] [ 3283.480616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3283.480616][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3283.480616][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3283.480616][ T903] ipv6_find_idev+0x102/0x170 [ 3283.480616][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3283.480616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.480616][ T903] netlink_rcv_skb+0x130/0x360 [ 3283.480616][ T903] netlink_unicast+0x449/0x710 [ 3283.480616][ T903] netlink_sendmsg+0x723/0xbe0 [ 3283.480616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3283.480616][ T903] ___sys_sendmsg+0xee/0x170 [ 3283.480616][ T903] __sys_sendmsg+0xcd/0x170 [ 3283.480616][ T903] do_syscall_64+0xc6/0x1e0 [ 3283.480616][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.480616][ T903] [ 3293.717871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3293.718455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3293.718455][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3293.718455][ T903] ip6_validate_gw+0x3eb/0x790 [ 3293.718455][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3293.718455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3293.718455][ T903] ip6_route_add+0x1c/0x140 [ 3293.718455][ T903] inet6_rtm_newroute+0x104/0x110 [ 3293.718455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.718455][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.718455][ T903] netlink_unicast+0x449/0x710 [ 3293.718455][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.718455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.718455][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.718455][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.718455][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.718455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.718455][ T903] [ 3293.720506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3293.720506][ T903] netdev_get_by_index+0x5e/0x80 [ 3293.720506][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3293.720506][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3293.720506][ T903] ip6_route_add+0x1c/0x140 [ 3293.720506][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3293.720506][ T903] inet6_addr_add+0x4f8/0xa40 [ 3293.720506][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.720506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.720506][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.720506][ T903] netlink_unicast+0x449/0x710 [ 3293.720506][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.720506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.720506][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.720506][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.720506][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.720506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.720506][ T903] [ 3293.722641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3293.722641][ T903] netdev_get_by_index+0x5e/0x80 [ 3293.722641][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3293.722641][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3293.722641][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3293.722641][ T903] ipv6_add_addr+0x411/0x2000 [ 3293.722641][ T903] inet6_addr_add+0x30e/0xa40 [ 3293.722641][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.722641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.722641][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.722641][ T903] netlink_unicast+0x449/0x710 [ 3293.722641][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.722641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.722641][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.722641][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.722641][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.722641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.722641][ T903] [ 3293.724822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3293.724822][ T903] netdev_get_by_index+0x5e/0x80 [ 3293.724822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3293.724822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3293.724822][ T903] ip6_route_add+0x1c/0x140 [ 3293.724822][ T903] addrconf_add_mroute+0x129/0x180 [ 3293.724822][ T903] addrconf_add_dev+0xe2/0x170 [ 3293.724822][ T903] inet6_addr_add+0x12f/0xa40 [ 3293.724822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.724822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.724822][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.724822][ T903] netlink_unicast+0x449/0x710 [ 3293.724822][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.724822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.724822][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.724822][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.724822][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.724822][ T903] [ 3293.726953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3293.726953][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3293.726953][ T903] ipv6_find_idev+0x102/0x170 [ 3293.726953][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.726953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.726953][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.726953][ T903] netlink_unicast+0x449/0x710 [ 3293.726953][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.726953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.726953][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.726953][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.726953][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.726953][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.726953][ T903] [ 3293.728672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3293.728672][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3293.728672][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3293.728672][ T903] ipv6_find_idev+0x102/0x170 [ 3293.728672][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.728672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.728672][ T903] netlink_rcv_skb+0x130/0x360 [ 3293.728672][ T903] netlink_unicast+0x449/0x710 [ 3293.728672][ T903] netlink_sendmsg+0x723/0xbe0 [ 3293.728672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3293.728672][ T903] ___sys_sendmsg+0xee/0x170 [ 3293.728672][ T903] __sys_sendmsg+0xcd/0x170 [ 3293.728672][ T903] do_syscall_64+0xc6/0x1e0 [ 3293.728672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.728672][ T903] [ 3303.965865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3303.966508][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3303.966508][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3303.966508][ T903] ip6_validate_gw+0x3eb/0x790 [ 3303.966508][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3303.966508][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3303.966508][ T903] ip6_route_add+0x1c/0x140 [ 3303.966508][ T903] inet6_rtm_newroute+0x104/0x110 [ 3303.966508][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.966508][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.966508][ T903] netlink_unicast+0x449/0x710 [ 3303.966508][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.966508][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.966508][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.966508][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.966508][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.966508][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.966508][ T903] [ 3303.968654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3303.968654][ T903] netdev_get_by_index+0x5e/0x80 [ 3303.968654][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3303.968654][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3303.968654][ T903] ip6_route_add+0x1c/0x140 [ 3303.968654][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3303.968654][ T903] inet6_addr_add+0x4f8/0xa40 [ 3303.968654][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.968654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.968654][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.968654][ T903] netlink_unicast+0x449/0x710 [ 3303.968654][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.968654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.968654][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.968654][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.968654][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.968654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.968654][ T903] [ 3303.970965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3303.970965][ T903] netdev_get_by_index+0x5e/0x80 [ 3303.970965][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3303.970965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3303.970965][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3303.970965][ T903] ipv6_add_addr+0x411/0x2000 [ 3303.970965][ T903] inet6_addr_add+0x30e/0xa40 [ 3303.970965][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.970965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.970965][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.970965][ T903] netlink_unicast+0x449/0x710 [ 3303.970965][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.970965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.970965][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.970965][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.970965][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.970965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.970965][ T903] [ 3303.973098][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3303.973098][ T903] netdev_get_by_index+0x5e/0x80 [ 3303.973098][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3303.973098][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3303.973098][ T903] ip6_route_add+0x1c/0x140 [ 3303.973098][ T903] addrconf_add_mroute+0x129/0x180 [ 3303.973098][ T903] addrconf_add_dev+0xe2/0x170 [ 3303.973098][ T903] inet6_addr_add+0x12f/0xa40 [ 3303.973098][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.973098][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.973098][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.973098][ T903] netlink_unicast+0x449/0x710 [ 3303.973098][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.973098][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.973098][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.973098][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.973098][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.973098][ T903] [ 3303.975249][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3303.975249][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3303.975249][ T903] ipv6_find_idev+0x102/0x170 [ 3303.975249][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.975249][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.975249][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.975249][ T903] netlink_unicast+0x449/0x710 [ 3303.975249][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.975249][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.975249][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.975249][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.975249][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.975249][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.975249][ T903] [ 3303.976922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3303.976922][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3303.976922][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3303.976922][ T903] ipv6_find_idev+0x102/0x170 [ 3303.976922][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.976922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.976922][ T903] netlink_rcv_skb+0x130/0x360 [ 3303.976922][ T903] netlink_unicast+0x449/0x710 [ 3303.976922][ T903] netlink_sendmsg+0x723/0xbe0 [ 3303.976922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3303.976922][ T903] ___sys_sendmsg+0xee/0x170 [ 3303.976922][ T903] __sys_sendmsg+0xcd/0x170 [ 3303.976922][ T903] do_syscall_64+0xc6/0x1e0 [ 3303.976922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.976922][ T903] [ 3314.221874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3314.222649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3314.222649][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3314.222649][ T903] ip6_validate_gw+0x3eb/0x790 [ 3314.222649][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3314.222649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3314.222649][ T903] ip6_route_add+0x1c/0x140 [ 3314.222649][ T903] inet6_rtm_newroute+0x104/0x110 [ 3314.222649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.222649][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.222649][ T903] netlink_unicast+0x449/0x710 [ 3314.222649][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.222649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.222649][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.222649][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.222649][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.222649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3314.222649][ T903] [ 3314.224688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3314.224688][ T903] netdev_get_by_index+0x5e/0x80 [ 3314.224688][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3314.224688][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3314.224688][ T903] ip6_route_add+0x1c/0x140 [ 3314.224688][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3314.224688][ T903] inet6_addr_add+0x4f8/0xa40 [ 3314.224688][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3314.224688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.224688][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.224688][ T903] netlink_unicast+0x449/0x710 [ 3314.224688][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.224688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.224688][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.224688][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.224688][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.224688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3314.224688][ T903] [ 3314.226805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3314.226805][ T903] netdev_get_by_index+0x5e/0x80 [ 3314.226805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3314.226805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3314.226805][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3314.226805][ T903] ipv6_add_addr+0x411/0x2000 [ 3314.226805][ T903] inet6_addr_add+0x30e/0xa40 [ 3314.226805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3314.226805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.226805][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.226805][ T903] netlink_unicast+0x449/0x710 [ 3314.226805][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.226805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.226805][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.226805][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.226805][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.226805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3314.226805][ T903] [ 3314.229233][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3314.229233][ T903] netdev_get_by_index+0x5e/0x80 [ 3314.229233][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3314.229233][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3314.229233][ T903] ip6_route_add+0x1c/0x140 [ 3314.229233][ T903] addrconf_add_mroute+0x129/0x180 [ 3314.229233][ T903] addrconf_add_dev+0xe2/0x170 [ 3314.229233][ T903] inet6_addr_add+0x12f/0xa40 [ 3314.229233][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3314.229233][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.229233][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.229233][ T903] netlink_unicast+0x449/0x710 [ 3314.229233][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.229233][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.229233][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.229233][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.229233][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.229233][ T903] [ 3314.231342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3314.231342][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3314.231342][ T903] ipv6_find_idev+0x102/0x170 [ 3314.231342][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3314.231342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.231342][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.231342][ T903] netlink_unicast+0x449/0x710 [ 3314.231342][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.231342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.231342][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.231342][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.231342][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.231342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3314.231342][ T903] [ 3314.233004][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3314.233004][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3314.233004][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3314.233004][ T903] ipv6_find_idev+0x102/0x170 [ 3314.233004][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3314.233004][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3314.233004][ T903] netlink_rcv_skb+0x130/0x360 [ 3314.233004][ T903] netlink_unicast+0x449/0x710 [ 3314.233004][ T903] netlink_sendmsg+0x723/0xbe0 [ 3314.233004][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3314.233004][ T903] ___sys_sendmsg+0xee/0x170 [ 3314.233004][ T903] __sys_sendmsg+0xcd/0x170 [ 3314.233004][ T903] do_syscall_64+0xc6/0x1e0 [ 3314.233004][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3314.233004][ T903] [ 3324.477984][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3324.478663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3324.478663][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3324.478663][ T903] ip6_validate_gw+0x3eb/0x790 [ 3324.478663][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3324.478663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3324.478663][ T903] ip6_route_add+0x1c/0x140 [ 3324.478663][ T903] inet6_rtm_newroute+0x104/0x110 [ 3324.478663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.478663][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.478663][ T903] netlink_unicast+0x449/0x710 [ 3324.478663][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.478663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.478663][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.478663][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.478663][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.478663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.478663][ T903] [ 3324.480658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3324.480658][ T903] netdev_get_by_index+0x5e/0x80 [ 3324.480658][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3324.480658][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3324.480658][ T903] ip6_route_add+0x1c/0x140 [ 3324.480658][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3324.480658][ T903] inet6_addr_add+0x4f8/0xa40 [ 3324.480658][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.480658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.480658][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.480658][ T903] netlink_unicast+0x449/0x710 [ 3324.480658][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.480658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.480658][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.480658][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.480658][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.480658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.480658][ T903] [ 3324.482819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3324.482819][ T903] netdev_get_by_index+0x5e/0x80 [ 3324.482819][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3324.482819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3324.482819][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3324.482819][ T903] ipv6_add_addr+0x411/0x2000 [ 3324.482819][ T903] inet6_addr_add+0x30e/0xa40 [ 3324.482819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.482819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.482819][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.482819][ T903] netlink_unicast+0x449/0x710 [ 3324.482819][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.482819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.482819][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.482819][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.482819][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.482819][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.482819][ T903] [ 3324.484879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3324.484879][ T903] netdev_get_by_index+0x5e/0x80 [ 3324.484879][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3324.484879][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3324.484879][ T903] ip6_route_add+0x1c/0x140 [ 3324.484879][ T903] addrconf_add_mroute+0x129/0x180 [ 3324.484879][ T903] addrconf_add_dev+0xe2/0x170 [ 3324.484879][ T903] inet6_addr_add+0x12f/0xa40 [ 3324.484879][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.484879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.484879][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.484879][ T903] netlink_unicast+0x449/0x710 [ 3324.484879][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.484879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.484879][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.484879][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.484879][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.484879][ T903] [ 3324.486975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3324.486975][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3324.486975][ T903] ipv6_find_idev+0x102/0x170 [ 3324.486975][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3324.486975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.486975][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.486975][ T903] netlink_unicast+0x449/0x710 [ 3324.486975][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.486975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.486975][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.486975][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.486975][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.486975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.486975][ T903] [ 3324.488630][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3324.488630][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3324.488630][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3324.488630][ T903] ipv6_find_idev+0x102/0x170 [ 3324.488630][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3324.488630][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.488630][ T903] netlink_rcv_skb+0x130/0x360 [ 3324.488630][ T903] netlink_unicast+0x449/0x710 [ 3324.488630][ T903] netlink_sendmsg+0x723/0xbe0 [ 3324.488630][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3324.488630][ T903] ___sys_sendmsg+0xee/0x170 [ 3324.488630][ T903] __sys_sendmsg+0xcd/0x170 [ 3324.488630][ T903] do_syscall_64+0xc6/0x1e0 [ 3324.488630][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.488630][ T903] [ 3334.725959][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3334.726521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3334.726521][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3334.726521][ T903] ip6_validate_gw+0x3eb/0x790 [ 3334.726521][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3334.726521][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3334.726521][ T903] ip6_route_add+0x1c/0x140 [ 3334.726521][ T903] inet6_rtm_newroute+0x104/0x110 [ 3334.726521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.726521][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.726521][ T903] netlink_unicast+0x449/0x710 [ 3334.726521][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.726521][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.726521][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.726521][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.726521][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.726521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.726521][ T903] [ 3334.728601][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3334.728601][ T903] netdev_get_by_index+0x5e/0x80 [ 3334.728601][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3334.728601][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3334.728601][ T903] ip6_route_add+0x1c/0x140 [ 3334.728601][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3334.728601][ T903] inet6_addr_add+0x4f8/0xa40 [ 3334.728601][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.728601][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.728601][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.728601][ T903] netlink_unicast+0x449/0x710 [ 3334.728601][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.728601][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.728601][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.728601][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.728601][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.728601][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.728601][ T903] [ 3334.730704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3334.730704][ T903] netdev_get_by_index+0x5e/0x80 [ 3334.730704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3334.730704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3334.730704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3334.730704][ T903] ipv6_add_addr+0x411/0x2000 [ 3334.730704][ T903] inet6_addr_add+0x30e/0xa40 [ 3334.730704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.730704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.730704][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.730704][ T903] netlink_unicast+0x449/0x710 [ 3334.730704][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.730704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.730704][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.730704][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.730704][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.730704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.730704][ T903] [ 3334.732759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3334.732759][ T903] netdev_get_by_index+0x5e/0x80 [ 3334.732759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3334.732759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3334.732759][ T903] ip6_route_add+0x1c/0x140 [ 3334.732759][ T903] addrconf_add_mroute+0x129/0x180 [ 3334.732759][ T903] addrconf_add_dev+0xe2/0x170 [ 3334.732759][ T903] inet6_addr_add+0x12f/0xa40 [ 3334.732759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.732759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.732759][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.732759][ T903] netlink_unicast+0x449/0x710 [ 3334.732759][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.732759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.732759][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.732759][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.732759][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.732759][ T903] [ 3334.734816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3334.734816][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3334.734816][ T903] ipv6_find_idev+0x102/0x170 [ 3334.734816][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.734816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.734816][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.734816][ T903] netlink_unicast+0x449/0x710 [ 3334.734816][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.734816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.734816][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.734816][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.734816][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.734816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.734816][ T903] [ 3334.736477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3334.736477][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3334.736477][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3334.736477][ T903] ipv6_find_idev+0x102/0x170 [ 3334.736477][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.736477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.736477][ T903] netlink_rcv_skb+0x130/0x360 [ 3334.736477][ T903] netlink_unicast+0x449/0x710 [ 3334.736477][ T903] netlink_sendmsg+0x723/0xbe0 [ 3334.736477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3334.736477][ T903] ___sys_sendmsg+0xee/0x170 [ 3334.736477][ T903] __sys_sendmsg+0xcd/0x170 [ 3334.736477][ T903] do_syscall_64+0xc6/0x1e0 [ 3334.736477][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.736477][ T903] [ 3344.973865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3344.974679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3344.974679][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3344.974679][ T903] ip6_validate_gw+0x3eb/0x790 [ 3344.974679][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3344.974679][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3344.974679][ T903] ip6_route_add+0x1c/0x140 [ 3344.974679][ T903] inet6_rtm_newroute+0x104/0x110 [ 3344.974679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.974679][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.974679][ T903] netlink_unicast+0x449/0x710 [ 3344.974679][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.974679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.974679][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.974679][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.974679][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.974679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.974679][ T903] [ 3344.976720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3344.976720][ T903] netdev_get_by_index+0x5e/0x80 [ 3344.976720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3344.976720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3344.976720][ T903] ip6_route_add+0x1c/0x140 [ 3344.976720][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3344.976720][ T903] inet6_addr_add+0x4f8/0xa40 [ 3344.976720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.976720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.976720][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.976720][ T903] netlink_unicast+0x449/0x710 [ 3344.976720][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.976720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.976720][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.976720][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.976720][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.976720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.976720][ T903] [ 3344.978901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3344.978901][ T903] netdev_get_by_index+0x5e/0x80 [ 3344.978901][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3344.978901][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3344.978901][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3344.978901][ T903] ipv6_add_addr+0x411/0x2000 [ 3344.978901][ T903] inet6_addr_add+0x30e/0xa40 [ 3344.978901][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.978901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.978901][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.978901][ T903] netlink_unicast+0x449/0x710 [ 3344.978901][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.978901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.978901][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.978901][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.978901][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.978901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.978901][ T903] [ 3344.981125][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3344.981125][ T903] netdev_get_by_index+0x5e/0x80 [ 3344.981125][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3344.981125][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3344.981125][ T903] ip6_route_add+0x1c/0x140 [ 3344.981125][ T903] addrconf_add_mroute+0x129/0x180 [ 3344.981125][ T903] addrconf_add_dev+0xe2/0x170 [ 3344.981125][ T903] inet6_addr_add+0x12f/0xa40 [ 3344.981125][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.981125][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.981125][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.981125][ T903] netlink_unicast+0x449/0x710 [ 3344.981125][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.981125][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.981125][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.981125][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.981125][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.981125][ T903] [ 3344.983197][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3344.983197][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3344.983197][ T903] ipv6_find_idev+0x102/0x170 [ 3344.983197][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.983197][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.983197][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.983197][ T903] netlink_unicast+0x449/0x710 [ 3344.983197][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.983197][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.983197][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.983197][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.983197][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.983197][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.983197][ T903] [ 3344.984811][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3344.984811][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3344.984811][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3344.984811][ T903] ipv6_find_idev+0x102/0x170 [ 3344.984811][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.984811][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.984811][ T903] netlink_rcv_skb+0x130/0x360 [ 3344.984811][ T903] netlink_unicast+0x449/0x710 [ 3344.984811][ T903] netlink_sendmsg+0x723/0xbe0 [ 3344.984811][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3344.984811][ T903] ___sys_sendmsg+0xee/0x170 [ 3344.984811][ T903] __sys_sendmsg+0xcd/0x170 [ 3344.984811][ T903] do_syscall_64+0xc6/0x1e0 [ 3344.984811][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.984811][ T903] [ 3355.229903][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3355.230435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3355.230435][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3355.230435][ T903] ip6_validate_gw+0x3eb/0x790 [ 3355.230435][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3355.230435][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3355.230435][ T903] ip6_route_add+0x1c/0x140 [ 3355.230435][ T903] inet6_rtm_newroute+0x104/0x110 [ 3355.230435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.230435][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.230435][ T903] netlink_unicast+0x449/0x710 [ 3355.230435][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.230435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.230435][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.230435][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.230435][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.230435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3355.230435][ T903] [ 3355.232568][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3355.232568][ T903] netdev_get_by_index+0x5e/0x80 [ 3355.232568][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3355.232568][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3355.232568][ T903] ip6_route_add+0x1c/0x140 [ 3355.232568][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3355.232568][ T903] inet6_addr_add+0x4f8/0xa40 [ 3355.232568][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3355.232568][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.232568][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.232568][ T903] netlink_unicast+0x449/0x710 [ 3355.232568][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.232568][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.232568][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.232568][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.232568][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.232568][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3355.232568][ T903] [ 3355.234710][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3355.234710][ T903] netdev_get_by_index+0x5e/0x80 [ 3355.234710][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3355.234710][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3355.234710][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3355.234710][ T903] ipv6_add_addr+0x411/0x2000 [ 3355.234710][ T903] inet6_addr_add+0x30e/0xa40 [ 3355.234710][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3355.234710][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.234710][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.234710][ T903] netlink_unicast+0x449/0x710 [ 3355.234710][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.234710][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.234710][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.234710][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.234710][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.234710][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3355.234710][ T903] [ 3355.236917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3355.236917][ T903] netdev_get_by_index+0x5e/0x80 [ 3355.236917][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3355.236917][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3355.236917][ T903] ip6_route_add+0x1c/0x140 [ 3355.236917][ T903] addrconf_add_mroute+0x129/0x180 [ 3355.236917][ T903] addrconf_add_dev+0xe2/0x170 [ 3355.236917][ T903] inet6_addr_add+0x12f/0xa40 [ 3355.236917][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3355.236917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.236917][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.236917][ T903] netlink_unicast+0x449/0x710 [ 3355.236917][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.236917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.236917][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.236917][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.236917][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.236917][ T903] [ 3355.239037][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3355.239037][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3355.239037][ T903] ipv6_find_idev+0x102/0x170 [ 3355.239037][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3355.239037][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.239037][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.239037][ T903] netlink_unicast+0x449/0x710 [ 3355.239037][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.239037][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.239037][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.239037][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.239037][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.239037][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3355.239037][ T903] [ 3355.240675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3355.240675][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3355.240675][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3355.240675][ T903] ipv6_find_idev+0x102/0x170 [ 3355.240675][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3355.240675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3355.240675][ T903] netlink_rcv_skb+0x130/0x360 [ 3355.240675][ T903] netlink_unicast+0x449/0x710 [ 3355.240675][ T903] netlink_sendmsg+0x723/0xbe0 [ 3355.240675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3355.240675][ T903] ___sys_sendmsg+0xee/0x170 [ 3355.240675][ T903] __sys_sendmsg+0xcd/0x170 [ 3355.240675][ T903] do_syscall_64+0xc6/0x1e0 [ 3355.240675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3355.240675][ T903] [ 3365.477869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3365.478649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3365.478649][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3365.478649][ T903] ip6_validate_gw+0x3eb/0x790 [ 3365.478649][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3365.478649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3365.478649][ T903] ip6_route_add+0x1c/0x140 [ 3365.478649][ T903] inet6_rtm_newroute+0x104/0x110 [ 3365.478649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.478649][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.478649][ T903] netlink_unicast+0x449/0x710 [ 3365.478649][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.478649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.478649][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.478649][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.478649][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.478649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3365.478649][ T903] [ 3365.480732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3365.480732][ T903] netdev_get_by_index+0x5e/0x80 [ 3365.480732][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3365.480732][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3365.480732][ T903] ip6_route_add+0x1c/0x140 [ 3365.480732][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3365.480732][ T903] inet6_addr_add+0x4f8/0xa40 [ 3365.480732][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3365.480732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.480732][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.480732][ T903] netlink_unicast+0x449/0x710 [ 3365.480732][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.480732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.480732][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.480732][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.480732][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.480732][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3365.480732][ T903] [ 3365.483010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3365.483010][ T903] netdev_get_by_index+0x5e/0x80 [ 3365.483010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3365.483010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3365.483010][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3365.483010][ T903] ipv6_add_addr+0x411/0x2000 [ 3365.483010][ T903] inet6_addr_add+0x30e/0xa40 [ 3365.483010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3365.483010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.483010][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.483010][ T903] netlink_unicast+0x449/0x710 [ 3365.483010][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.483010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.483010][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.483010][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.483010][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.483010][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3365.483010][ T903] [ 3365.485194][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3365.485194][ T903] netdev_get_by_index+0x5e/0x80 [ 3365.485194][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3365.485194][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3365.485194][ T903] ip6_route_add+0x1c/0x140 [ 3365.485194][ T903] addrconf_add_mroute+0x129/0x180 [ 3365.485194][ T903] addrconf_add_dev+0xe2/0x170 [ 3365.485194][ T903] inet6_addr_add+0x12f/0xa40 [ 3365.485194][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3365.485194][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.485194][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.485194][ T903] netlink_unicast+0x449/0x710 [ 3365.485194][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.485194][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.485194][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.485194][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.485194][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.485194][ T903] [ 3365.487369][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3365.487369][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3365.487369][ T903] ipv6_find_idev+0x102/0x170 [ 3365.487369][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3365.487369][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.487369][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.487369][ T903] netlink_unicast+0x449/0x710 [ 3365.487369][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.487369][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.487369][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.487369][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.487369][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.487369][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3365.487369][ T903] [ 3365.489048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3365.489048][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3365.489048][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3365.489048][ T903] ipv6_find_idev+0x102/0x170 [ 3365.489048][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3365.489048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3365.489048][ T903] netlink_rcv_skb+0x130/0x360 [ 3365.489048][ T903] netlink_unicast+0x449/0x710 [ 3365.489048][ T903] netlink_sendmsg+0x723/0xbe0 [ 3365.489048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3365.489048][ T903] ___sys_sendmsg+0xee/0x170 [ 3365.489048][ T903] __sys_sendmsg+0xcd/0x170 [ 3365.489048][ T903] do_syscall_64+0xc6/0x1e0 [ 3365.489048][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3365.489048][ T903] [ 3375.733879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3375.734494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3375.734494][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3375.734494][ T903] ip6_validate_gw+0x3eb/0x790 [ 3375.734494][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3375.734494][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3375.734494][ T903] ip6_route_add+0x1c/0x140 [ 3375.734494][ T903] inet6_rtm_newroute+0x104/0x110 [ 3375.734494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.734494][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.734494][ T903] netlink_unicast+0x449/0x710 [ 3375.734494][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.734494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.734494][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.734494][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.734494][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.734494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.734494][ T903] [ 3375.736510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3375.736510][ T903] netdev_get_by_index+0x5e/0x80 [ 3375.736510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3375.736510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3375.736510][ T903] ip6_route_add+0x1c/0x140 [ 3375.736510][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3375.736510][ T903] inet6_addr_add+0x4f8/0xa40 [ 3375.736510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.736510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.736510][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.736510][ T903] netlink_unicast+0x449/0x710 [ 3375.736510][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.736510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.736510][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.736510][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.736510][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.736510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.736510][ T903] [ 3375.739087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3375.739087][ T903] netdev_get_by_index+0x5e/0x80 [ 3375.739087][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3375.739087][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3375.739087][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3375.739087][ T903] ipv6_add_addr+0x411/0x2000 [ 3375.739087][ T903] inet6_addr_add+0x30e/0xa40 [ 3375.739087][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.739087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.739087][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.739087][ T903] netlink_unicast+0x449/0x710 [ 3375.739087][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.739087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.739087][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.739087][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.739087][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.739087][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.739087][ T903] [ 3375.741274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3375.741274][ T903] netdev_get_by_index+0x5e/0x80 [ 3375.741274][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3375.741274][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3375.741274][ T903] ip6_route_add+0x1c/0x140 [ 3375.741274][ T903] addrconf_add_mroute+0x129/0x180 [ 3375.741274][ T903] addrconf_add_dev+0xe2/0x170 [ 3375.741274][ T903] inet6_addr_add+0x12f/0xa40 [ 3375.741274][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.741274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.741274][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.741274][ T903] netlink_unicast+0x449/0x710 [ 3375.741274][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.741274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.741274][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.741274][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.741274][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.741274][ T903] [ 3375.743402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3375.743402][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3375.743402][ T903] ipv6_find_idev+0x102/0x170 [ 3375.743402][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.743402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.743402][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.743402][ T903] netlink_unicast+0x449/0x710 [ 3375.743402][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.743402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.743402][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.743402][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.743402][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.743402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.743402][ T903] [ 3375.744987][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3375.744987][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3375.744987][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3375.744987][ T903] ipv6_find_idev+0x102/0x170 [ 3375.744987][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.744987][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.744987][ T903] netlink_rcv_skb+0x130/0x360 [ 3375.744987][ T903] netlink_unicast+0x449/0x710 [ 3375.744987][ T903] netlink_sendmsg+0x723/0xbe0 [ 3375.744987][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3375.744987][ T903] ___sys_sendmsg+0xee/0x170 [ 3375.744987][ T903] __sys_sendmsg+0xcd/0x170 [ 3375.744987][ T903] do_syscall_64+0xc6/0x1e0 [ 3375.744987][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.744987][ T903] [ 3385.949952][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3385.950612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3385.950612][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3385.950612][ T903] ip6_validate_gw+0x3eb/0x790 [ 3385.950612][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3385.950612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3385.950612][ T903] ip6_route_add+0x1c/0x140 [ 3385.950612][ T903] inet6_rtm_newroute+0x104/0x110 [ 3385.950612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.950612][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.950612][ T903] netlink_unicast+0x449/0x710 [ 3385.950612][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.950612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.950612][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.950612][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.950612][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.950612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.950612][ T903] [ 3385.952819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3385.952819][ T903] netdev_get_by_index+0x5e/0x80 [ 3385.952819][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3385.952819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3385.952819][ T903] ip6_route_add+0x1c/0x140 [ 3385.952819][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3385.952819][ T903] inet6_addr_add+0x4f8/0xa40 [ 3385.952819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.952819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.952819][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.952819][ T903] netlink_unicast+0x449/0x710 [ 3385.952819][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.952819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.952819][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.952819][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.952819][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.952819][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.952819][ T903] [ 3385.954984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3385.954984][ T903] netdev_get_by_index+0x5e/0x80 [ 3385.954984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3385.954984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3385.954984][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3385.954984][ T903] ipv6_add_addr+0x411/0x2000 [ 3385.954984][ T903] inet6_addr_add+0x30e/0xa40 [ 3385.954984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.954984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.954984][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.954984][ T903] netlink_unicast+0x449/0x710 [ 3385.954984][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.954984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.954984][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.954984][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.954984][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.954984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.954984][ T903] [ 3385.957132][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3385.957132][ T903] netdev_get_by_index+0x5e/0x80 [ 3385.957132][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3385.957132][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3385.957132][ T903] ip6_route_add+0x1c/0x140 [ 3385.957132][ T903] addrconf_add_mroute+0x129/0x180 [ 3385.957132][ T903] addrconf_add_dev+0xe2/0x170 [ 3385.957132][ T903] inet6_addr_add+0x12f/0xa40 [ 3385.957132][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.957132][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.957132][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.957132][ T903] netlink_unicast+0x449/0x710 [ 3385.957132][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.957132][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.957132][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.957132][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.957132][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.957132][ T903] [ 3385.959267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3385.959267][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3385.959267][ T903] ipv6_find_idev+0x102/0x170 [ 3385.959267][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.959267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.959267][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.959267][ T903] netlink_unicast+0x449/0x710 [ 3385.959267][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.959267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.959267][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.959267][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.959267][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.959267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.959267][ T903] [ 3385.960982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3385.960982][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3385.960982][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3385.960982][ T903] ipv6_find_idev+0x102/0x170 [ 3385.960982][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.960982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.960982][ T903] netlink_rcv_skb+0x130/0x360 [ 3385.960982][ T903] netlink_unicast+0x449/0x710 [ 3385.960982][ T903] netlink_sendmsg+0x723/0xbe0 [ 3385.960982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3385.960982][ T903] ___sys_sendmsg+0xee/0x170 [ 3385.960982][ T903] __sys_sendmsg+0xcd/0x170 [ 3385.960982][ T903] do_syscall_64+0xc6/0x1e0 [ 3385.960982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.960982][ T903] [ 3396.205867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3396.206716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3396.206716][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3396.206716][ T903] ip6_validate_gw+0x3eb/0x790 [ 3396.206716][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3396.206716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3396.206716][ T903] ip6_route_add+0x1c/0x140 [ 3396.206716][ T903] inet6_rtm_newroute+0x104/0x110 [ 3396.206716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.206716][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.206716][ T903] netlink_unicast+0x449/0x710 [ 3396.206716][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.206716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.206716][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.206716][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.206716][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.206716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3396.206716][ T903] [ 3396.208768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3396.208768][ T903] netdev_get_by_index+0x5e/0x80 [ 3396.208768][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3396.208768][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3396.208768][ T903] ip6_route_add+0x1c/0x140 [ 3396.208768][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3396.208768][ T903] inet6_addr_add+0x4f8/0xa40 [ 3396.208768][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3396.208768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.208768][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.208768][ T903] netlink_unicast+0x449/0x710 [ 3396.208768][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.208768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.208768][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.208768][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.208768][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.208768][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3396.208768][ T903] [ 3396.210958][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3396.210958][ T903] netdev_get_by_index+0x5e/0x80 [ 3396.210958][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3396.210958][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3396.210958][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3396.210958][ T903] ipv6_add_addr+0x411/0x2000 [ 3396.210958][ T903] inet6_addr_add+0x30e/0xa40 [ 3396.210958][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3396.210958][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.210958][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.210958][ T903] netlink_unicast+0x449/0x710 [ 3396.210958][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.210958][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.210958][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.210958][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.210958][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.210958][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3396.210958][ T903] [ 3396.213103][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3396.213103][ T903] netdev_get_by_index+0x5e/0x80 [ 3396.213103][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3396.213103][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3396.213103][ T903] ip6_route_add+0x1c/0x140 [ 3396.213103][ T903] addrconf_add_mroute+0x129/0x180 [ 3396.213103][ T903] addrconf_add_dev+0xe2/0x170 [ 3396.213103][ T903] inet6_addr_add+0x12f/0xa40 [ 3396.213103][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3396.213103][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.213103][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.213103][ T903] netlink_unicast+0x449/0x710 [ 3396.213103][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.213103][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.213103][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.213103][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.213103][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.213103][ T903] [ 3396.215207][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3396.215207][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3396.215207][ T903] ipv6_find_idev+0x102/0x170 [ 3396.215207][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3396.215207][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.215207][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.215207][ T903] netlink_unicast+0x449/0x710 [ 3396.215207][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.215207][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.215207][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.215207][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.215207][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.215207][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3396.215207][ T903] [ 3396.216858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3396.216858][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3396.216858][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3396.216858][ T903] ipv6_find_idev+0x102/0x170 [ 3396.216858][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3396.216858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3396.216858][ T903] netlink_rcv_skb+0x130/0x360 [ 3396.216858][ T903] netlink_unicast+0x449/0x710 [ 3396.216858][ T903] netlink_sendmsg+0x723/0xbe0 [ 3396.216858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3396.216858][ T903] ___sys_sendmsg+0xee/0x170 [ 3396.216858][ T903] __sys_sendmsg+0xcd/0x170 [ 3396.216858][ T903] do_syscall_64+0xc6/0x1e0 [ 3396.216858][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3396.216858][ T903] [ 3406.453819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3406.454272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3406.454272][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3406.454272][ T903] ip6_validate_gw+0x3eb/0x790 [ 3406.454272][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3406.454272][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3406.454272][ T903] ip6_route_add+0x1c/0x140 [ 3406.454272][ T903] inet6_rtm_newroute+0x104/0x110 [ 3406.454272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.454272][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.454272][ T903] netlink_unicast+0x449/0x710 [ 3406.454272][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.454272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.454272][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.454272][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.454272][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.454272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.454272][ T903] [ 3406.456364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3406.456364][ T903] netdev_get_by_index+0x5e/0x80 [ 3406.456364][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3406.456364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3406.456364][ T903] ip6_route_add+0x1c/0x140 [ 3406.456364][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3406.456364][ T903] inet6_addr_add+0x4f8/0xa40 [ 3406.456364][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.456364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.456364][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.456364][ T903] netlink_unicast+0x449/0x710 [ 3406.456364][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.456364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.456364][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.456364][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.456364][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.456364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.456364][ T903] [ 3406.458557][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3406.458557][ T903] netdev_get_by_index+0x5e/0x80 [ 3406.458557][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3406.458557][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3406.458557][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3406.458557][ T903] ipv6_add_addr+0x411/0x2000 [ 3406.458557][ T903] inet6_addr_add+0x30e/0xa40 [ 3406.458557][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.458557][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.458557][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.458557][ T903] netlink_unicast+0x449/0x710 [ 3406.458557][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.458557][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.458557][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.458557][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.458557][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.458557][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.458557][ T903] [ 3406.460836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3406.460836][ T903] netdev_get_by_index+0x5e/0x80 [ 3406.460836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3406.460836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3406.460836][ T903] ip6_route_add+0x1c/0x140 [ 3406.460836][ T903] addrconf_add_mroute+0x129/0x180 [ 3406.460836][ T903] addrconf_add_dev+0xe2/0x170 [ 3406.460836][ T903] inet6_addr_add+0x12f/0xa40 [ 3406.460836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3406.460836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.460836][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.460836][ T903] netlink_unicast+0x449/0x710 [ 3406.460836][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.460836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.460836][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.460836][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.460836][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.460836][ T903] [ 3406.462965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3406.462965][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3406.462965][ T903] ipv6_find_idev+0x102/0x170 [ 3406.462965][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.462965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.462965][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.462965][ T903] netlink_unicast+0x449/0x710 [ 3406.462965][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.462965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.462965][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.462965][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.462965][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.462965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.462965][ T903] [ 3406.464650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3406.464650][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3406.464650][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3406.464650][ T903] ipv6_find_idev+0x102/0x170 [ 3406.464650][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3406.464650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3406.464650][ T903] netlink_rcv_skb+0x130/0x360 [ 3406.464650][ T903] netlink_unicast+0x449/0x710 [ 3406.464650][ T903] netlink_sendmsg+0x723/0xbe0 [ 3406.464650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3406.464650][ T903] ___sys_sendmsg+0xee/0x170 [ 3406.464650][ T903] __sys_sendmsg+0xcd/0x170 [ 3406.464650][ T903] do_syscall_64+0xc6/0x1e0 [ 3406.464650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3406.464650][ T903] [ 3416.837988][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3416.838581][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3416.838581][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3416.838581][ T903] ip6_validate_gw+0x3eb/0x790 [ 3416.838581][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3416.838581][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3416.838581][ T903] ip6_route_add+0x1c/0x140 [ 3416.838581][ T903] inet6_rtm_newroute+0x104/0x110 [ 3416.838581][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.838581][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.838581][ T903] netlink_unicast+0x449/0x710 [ 3416.838581][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.838581][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.838581][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.838581][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.838581][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.838581][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.838581][ T903] [ 3416.840642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3416.840642][ T903] netdev_get_by_index+0x5e/0x80 [ 3416.840642][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3416.840642][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3416.840642][ T903] ip6_route_add+0x1c/0x140 [ 3416.840642][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3416.840642][ T903] inet6_addr_add+0x4f8/0xa40 [ 3416.840642][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.840642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.840642][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.840642][ T903] netlink_unicast+0x449/0x710 [ 3416.840642][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.840642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.840642][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.840642][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.840642][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.840642][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.840642][ T903] [ 3416.842814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3416.842814][ T903] netdev_get_by_index+0x5e/0x80 [ 3416.842814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3416.842814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3416.842814][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3416.842814][ T903] ipv6_add_addr+0x411/0x2000 [ 3416.842814][ T903] inet6_addr_add+0x30e/0xa40 [ 3416.842814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.842814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.842814][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.842814][ T903] netlink_unicast+0x449/0x710 [ 3416.842814][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.842814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.842814][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.842814][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.842814][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.842814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.842814][ T903] [ 3416.845050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3416.845050][ T903] netdev_get_by_index+0x5e/0x80 [ 3416.845050][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3416.845050][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3416.845050][ T903] ip6_route_add+0x1c/0x140 [ 3416.845050][ T903] addrconf_add_mroute+0x129/0x180 [ 3416.845050][ T903] addrconf_add_dev+0xe2/0x170 [ 3416.845050][ T903] inet6_addr_add+0x12f/0xa40 [ 3416.845050][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.845050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.845050][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.845050][ T903] netlink_unicast+0x449/0x710 [ 3416.845050][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.845050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.845050][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.845050][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.845050][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.845050][ T903] [ 3416.847209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3416.847209][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3416.847209][ T903] ipv6_find_idev+0x102/0x170 [ 3416.847209][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.847209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.847209][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.847209][ T903] netlink_unicast+0x449/0x710 [ 3416.847209][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.847209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.847209][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.847209][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.847209][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.847209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.847209][ T903] [ 3416.848980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3416.848980][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3416.848980][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3416.848980][ T903] ipv6_find_idev+0x102/0x170 [ 3416.848980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.848980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.848980][ T903] netlink_rcv_skb+0x130/0x360 [ 3416.848980][ T903] netlink_unicast+0x449/0x710 [ 3416.848980][ T903] netlink_sendmsg+0x723/0xbe0 [ 3416.848980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3416.848980][ T903] ___sys_sendmsg+0xee/0x170 [ 3416.848980][ T903] __sys_sendmsg+0xcd/0x170 [ 3416.848980][ T903] do_syscall_64+0xc6/0x1e0 [ 3416.848980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.848980][ T903] [ 3427.093953][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3427.094691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3427.094691][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3427.094691][ T903] ip6_validate_gw+0x3eb/0x790 [ 3427.094691][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3427.094691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3427.094691][ T903] ip6_route_add+0x1c/0x140 [ 3427.094691][ T903] inet6_rtm_newroute+0x104/0x110 [ 3427.094691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.094691][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.094691][ T903] netlink_unicast+0x449/0x710 [ 3427.094691][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.094691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.094691][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.094691][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.094691][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.094691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3427.094691][ T903] [ 3427.096854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3427.096854][ T903] netdev_get_by_index+0x5e/0x80 [ 3427.096854][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3427.096854][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3427.096854][ T903] ip6_route_add+0x1c/0x140 [ 3427.096854][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3427.096854][ T903] inet6_addr_add+0x4f8/0xa40 [ 3427.096854][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3427.096854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.096854][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.096854][ T903] netlink_unicast+0x449/0x710 [ 3427.096854][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.096854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.096854][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.096854][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.096854][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.096854][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3427.096854][ T903] [ 3427.099038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3427.099038][ T903] netdev_get_by_index+0x5e/0x80 [ 3427.099038][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3427.099038][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3427.099038][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3427.099038][ T903] ipv6_add_addr+0x411/0x2000 [ 3427.099038][ T903] inet6_addr_add+0x30e/0xa40 [ 3427.099038][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3427.099038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.099038][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.099038][ T903] netlink_unicast+0x449/0x710 [ 3427.099038][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.099038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.099038][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.099038][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.099038][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.099038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3427.099038][ T903] [ 3427.101237][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3427.101237][ T903] netdev_get_by_index+0x5e/0x80 [ 3427.101237][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3427.101237][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3427.101237][ T903] ip6_route_add+0x1c/0x140 [ 3427.101237][ T903] addrconf_add_mroute+0x129/0x180 [ 3427.101237][ T903] addrconf_add_dev+0xe2/0x170 [ 3427.101237][ T903] inet6_addr_add+0x12f/0xa40 [ 3427.101237][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3427.101237][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.101237][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.101237][ T903] netlink_unicast+0x449/0x710 [ 3427.101237][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.101237][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.101237][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.101237][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.101237][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.101237][ T903] [ 3427.103332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3427.103332][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3427.103332][ T903] ipv6_find_idev+0x102/0x170 [ 3427.103332][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3427.103332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.103332][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.103332][ T903] netlink_unicast+0x449/0x710 [ 3427.103332][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.103332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.103332][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.103332][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.103332][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.103332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3427.103332][ T903] [ 3427.104969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3427.104969][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3427.104969][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3427.104969][ T903] ipv6_find_idev+0x102/0x170 [ 3427.104969][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3427.104969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3427.104969][ T903] netlink_rcv_skb+0x130/0x360 [ 3427.104969][ T903] netlink_unicast+0x449/0x710 [ 3427.104969][ T903] netlink_sendmsg+0x723/0xbe0 [ 3427.104969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3427.104969][ T903] ___sys_sendmsg+0xee/0x170 [ 3427.104969][ T903] __sys_sendmsg+0xcd/0x170 [ 3427.104969][ T903] do_syscall_64+0xc6/0x1e0 [ 3427.104969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3427.104969][ T903] [ 3437.349869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3437.350740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3437.350740][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3437.350740][ T903] ip6_validate_gw+0x3eb/0x790 [ 3437.350740][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3437.350740][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3437.350740][ T903] ip6_route_add+0x1c/0x140 [ 3437.350740][ T903] inet6_rtm_newroute+0x104/0x110 [ 3437.350740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.350740][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.350740][ T903] netlink_unicast+0x449/0x710 [ 3437.350740][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.350740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.350740][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.350740][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.350740][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.350740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3437.350740][ T903] [ 3437.352828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3437.352828][ T903] netdev_get_by_index+0x5e/0x80 [ 3437.352828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3437.352828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3437.352828][ T903] ip6_route_add+0x1c/0x140 [ 3437.352828][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3437.352828][ T903] inet6_addr_add+0x4f8/0xa40 [ 3437.352828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3437.352828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.352828][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.352828][ T903] netlink_unicast+0x449/0x710 [ 3437.352828][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.352828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.352828][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.352828][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.352828][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.352828][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3437.352828][ T903] [ 3437.354969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3437.354969][ T903] netdev_get_by_index+0x5e/0x80 [ 3437.354969][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3437.354969][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3437.354969][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3437.354969][ T903] ipv6_add_addr+0x411/0x2000 [ 3437.354969][ T903] inet6_addr_add+0x30e/0xa40 [ 3437.354969][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3437.354969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.354969][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.354969][ T903] netlink_unicast+0x449/0x710 [ 3437.354969][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.354969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.354969][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.354969][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.354969][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.354969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3437.354969][ T903] [ 3437.357182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3437.357182][ T903] netdev_get_by_index+0x5e/0x80 [ 3437.357182][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3437.357182][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3437.357182][ T903] ip6_route_add+0x1c/0x140 [ 3437.357182][ T903] addrconf_add_mroute+0x129/0x180 [ 3437.357182][ T903] addrconf_add_dev+0xe2/0x170 [ 3437.357182][ T903] inet6_addr_add+0x12f/0xa40 [ 3437.357182][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3437.357182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.357182][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.357182][ T903] netlink_unicast+0x449/0x710 [ 3437.357182][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.357182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.357182][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.357182][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.357182][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.357182][ T903] [ 3437.359327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3437.359327][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3437.359327][ T903] ipv6_find_idev+0x102/0x170 [ 3437.359327][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3437.359327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.359327][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.359327][ T903] netlink_unicast+0x449/0x710 [ 3437.359327][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.359327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.359327][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.359327][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.359327][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.359327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3437.359327][ T903] [ 3437.360999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3437.360999][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3437.360999][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3437.360999][ T903] ipv6_find_idev+0x102/0x170 [ 3437.360999][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3437.360999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3437.360999][ T903] netlink_rcv_skb+0x130/0x360 [ 3437.360999][ T903] netlink_unicast+0x449/0x710 [ 3437.360999][ T903] netlink_sendmsg+0x723/0xbe0 [ 3437.360999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3437.360999][ T903] ___sys_sendmsg+0xee/0x170 [ 3437.360999][ T903] __sys_sendmsg+0xcd/0x170 [ 3437.360999][ T903] do_syscall_64+0xc6/0x1e0 [ 3437.360999][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3437.360999][ T903] [ 3447.605867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3447.606665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3447.606665][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3447.606665][ T903] ip6_validate_gw+0x3eb/0x790 [ 3447.606665][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3447.606665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3447.606665][ T903] ip6_route_add+0x1c/0x140 [ 3447.606665][ T903] inet6_rtm_newroute+0x104/0x110 [ 3447.606665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.606665][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.606665][ T903] netlink_unicast+0x449/0x710 [ 3447.606665][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.606665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.606665][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.606665][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.606665][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.606665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.606665][ T903] [ 3447.608802][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3447.608802][ T903] netdev_get_by_index+0x5e/0x80 [ 3447.608802][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3447.608802][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3447.608802][ T903] ip6_route_add+0x1c/0x140 [ 3447.608802][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3447.608802][ T903] inet6_addr_add+0x4f8/0xa40 [ 3447.608802][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.608802][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.608802][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.608802][ T903] netlink_unicast+0x449/0x710 [ 3447.608802][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.608802][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.608802][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.608802][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.608802][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.608802][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.608802][ T903] [ 3447.610992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3447.610992][ T903] netdev_get_by_index+0x5e/0x80 [ 3447.610992][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3447.610992][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3447.610992][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3447.610992][ T903] ipv6_add_addr+0x411/0x2000 [ 3447.610992][ T903] inet6_addr_add+0x30e/0xa40 [ 3447.610992][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.610992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.610992][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.610992][ T903] netlink_unicast+0x449/0x710 [ 3447.610992][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.610992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.610992][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.610992][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.610992][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.610992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.610992][ T903] [ 3447.613129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3447.613129][ T903] netdev_get_by_index+0x5e/0x80 [ 3447.613129][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3447.613129][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3447.613129][ T903] ip6_route_add+0x1c/0x140 [ 3447.613129][ T903] addrconf_add_mroute+0x129/0x180 [ 3447.613129][ T903] addrconf_add_dev+0xe2/0x170 [ 3447.613129][ T903] inet6_addr_add+0x12f/0xa40 [ 3447.613129][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3447.613129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.613129][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.613129][ T903] netlink_unicast+0x449/0x710 [ 3447.613129][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.613129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.613129][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.613129][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.613129][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.613129][ T903] [ 3447.615229][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3447.615229][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3447.615229][ T903] ipv6_find_idev+0x102/0x170 [ 3447.615229][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.615229][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.615229][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.615229][ T903] netlink_unicast+0x449/0x710 [ 3447.615229][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.615229][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.615229][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.615229][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.615229][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.615229][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.615229][ T903] [ 3447.616919][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3447.616919][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3447.616919][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3447.616919][ T903] ipv6_find_idev+0x102/0x170 [ 3447.616919][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3447.616919][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3447.616919][ T903] netlink_rcv_skb+0x130/0x360 [ 3447.616919][ T903] netlink_unicast+0x449/0x710 [ 3447.616919][ T903] netlink_sendmsg+0x723/0xbe0 [ 3447.616919][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3447.616919][ T903] ___sys_sendmsg+0xee/0x170 [ 3447.616919][ T903] __sys_sendmsg+0xcd/0x170 [ 3447.616919][ T903] do_syscall_64+0xc6/0x1e0 [ 3447.616919][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3447.616919][ T903] [ 3457.861869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3457.862676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3457.862676][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3457.862676][ T903] ip6_validate_gw+0x3eb/0x790 [ 3457.862676][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3457.862676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3457.862676][ T903] ip6_route_add+0x1c/0x140 [ 3457.862676][ T903] inet6_rtm_newroute+0x104/0x110 [ 3457.862676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.862676][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.862676][ T903] netlink_unicast+0x449/0x710 [ 3457.862676][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.862676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.862676][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.862676][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.862676][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.862676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.862676][ T903] [ 3457.864834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3457.864834][ T903] netdev_get_by_index+0x5e/0x80 [ 3457.864834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3457.864834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3457.864834][ T903] ip6_route_add+0x1c/0x140 [ 3457.864834][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3457.864834][ T903] inet6_addr_add+0x4f8/0xa40 [ 3457.864834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.864834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.864834][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.864834][ T903] netlink_unicast+0x449/0x710 [ 3457.864834][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.864834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.864834][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.864834][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.864834][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.864834][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.864834][ T903] [ 3457.867042][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3457.867042][ T903] netdev_get_by_index+0x5e/0x80 [ 3457.867042][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3457.867042][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3457.867042][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3457.867042][ T903] ipv6_add_addr+0x411/0x2000 [ 3457.867042][ T903] inet6_addr_add+0x30e/0xa40 [ 3457.867042][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.867042][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.867042][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.867042][ T903] netlink_unicast+0x449/0x710 [ 3457.867042][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.867042][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.867042][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.867042][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.867042][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.867042][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.867042][ T903] [ 3457.869174][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3457.869174][ T903] netdev_get_by_index+0x5e/0x80 [ 3457.869174][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3457.869174][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3457.869174][ T903] ip6_route_add+0x1c/0x140 [ 3457.869174][ T903] addrconf_add_mroute+0x129/0x180 [ 3457.869174][ T903] addrconf_add_dev+0xe2/0x170 [ 3457.869174][ T903] inet6_addr_add+0x12f/0xa40 [ 3457.869174][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.869174][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.869174][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.869174][ T903] netlink_unicast+0x449/0x710 [ 3457.869174][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.869174][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.869174][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.869174][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.869174][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.869174][ T903] [ 3457.871428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3457.871428][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3457.871428][ T903] ipv6_find_idev+0x102/0x170 [ 3457.871428][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.871428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.871428][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.871428][ T903] netlink_unicast+0x449/0x710 [ 3457.871428][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.871428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.871428][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.871428][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.871428][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.871428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.871428][ T903] [ 3457.873138][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3457.873138][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3457.873138][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3457.873138][ T903] ipv6_find_idev+0x102/0x170 [ 3457.873138][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.873138][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.873138][ T903] netlink_rcv_skb+0x130/0x360 [ 3457.873138][ T903] netlink_unicast+0x449/0x710 [ 3457.873138][ T903] netlink_sendmsg+0x723/0xbe0 [ 3457.873138][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3457.873138][ T903] ___sys_sendmsg+0xee/0x170 [ 3457.873138][ T903] __sys_sendmsg+0xcd/0x170 [ 3457.873138][ T903] do_syscall_64+0xc6/0x1e0 [ 3457.873138][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.873138][ T903] [ 3468.117861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3468.118693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3468.118693][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3468.118693][ T903] ip6_validate_gw+0x3eb/0x790 [ 3468.118693][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3468.118693][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3468.118693][ T903] ip6_route_add+0x1c/0x140 [ 3468.118693][ T903] inet6_rtm_newroute+0x104/0x110 [ 3468.118693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.118693][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.118693][ T903] netlink_unicast+0x449/0x710 [ 3468.118693][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.118693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.118693][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.118693][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.118693][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.118693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3468.118693][ T903] [ 3468.120745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3468.120745][ T903] netdev_get_by_index+0x5e/0x80 [ 3468.120745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3468.120745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3468.120745][ T903] ip6_route_add+0x1c/0x140 [ 3468.120745][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3468.120745][ T903] inet6_addr_add+0x4f8/0xa40 [ 3468.120745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3468.120745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.120745][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.120745][ T903] netlink_unicast+0x449/0x710 [ 3468.120745][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.120745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.120745][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.120745][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.120745][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.120745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3468.120745][ T903] [ 3468.122929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3468.122929][ T903] netdev_get_by_index+0x5e/0x80 [ 3468.122929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3468.122929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3468.122929][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3468.122929][ T903] ipv6_add_addr+0x411/0x2000 [ 3468.122929][ T903] inet6_addr_add+0x30e/0xa40 [ 3468.122929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3468.122929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.122929][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.122929][ T903] netlink_unicast+0x449/0x710 [ 3468.122929][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.122929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.122929][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.122929][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.122929][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.122929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3468.122929][ T903] [ 3468.125110][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3468.125110][ T903] netdev_get_by_index+0x5e/0x80 [ 3468.125110][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3468.125110][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3468.125110][ T903] ip6_route_add+0x1c/0x140 [ 3468.125110][ T903] addrconf_add_mroute+0x129/0x180 [ 3468.125110][ T903] addrconf_add_dev+0xe2/0x170 [ 3468.125110][ T903] inet6_addr_add+0x12f/0xa40 [ 3468.125110][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3468.125110][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.125110][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.125110][ T903] netlink_unicast+0x449/0x710 [ 3468.125110][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.125110][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.125110][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.125110][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.125110][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.125110][ T903] [ 3468.127298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3468.127298][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3468.127298][ T903] ipv6_find_idev+0x102/0x170 [ 3468.127298][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3468.127298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.127298][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.127298][ T903] netlink_unicast+0x449/0x710 [ 3468.127298][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.127298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.127298][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.127298][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.127298][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.127298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3468.127298][ T903] [ 3468.128968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3468.128968][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3468.128968][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3468.128968][ T903] ipv6_find_idev+0x102/0x170 [ 3468.128968][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3468.128968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3468.128968][ T903] netlink_rcv_skb+0x130/0x360 [ 3468.128968][ T903] netlink_unicast+0x449/0x710 [ 3468.128968][ T903] netlink_sendmsg+0x723/0xbe0 [ 3468.128968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3468.128968][ T903] ___sys_sendmsg+0xee/0x170 [ 3468.128968][ T903] __sys_sendmsg+0xcd/0x170 [ 3468.128968][ T903] do_syscall_64+0xc6/0x1e0 [ 3468.128968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3468.128968][ T903] [ 3478.373866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3478.374663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3478.374663][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3478.374663][ T903] ip6_validate_gw+0x3eb/0x790 [ 3478.374663][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3478.374663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3478.374663][ T903] ip6_route_add+0x1c/0x140 [ 3478.374663][ T903] inet6_rtm_newroute+0x104/0x110 [ 3478.374663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.374663][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.374663][ T903] netlink_unicast+0x449/0x710 [ 3478.374663][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.374663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.374663][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.374663][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.374663][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.374663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3478.374663][ T903] [ 3478.376785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3478.376785][ T903] netdev_get_by_index+0x5e/0x80 [ 3478.376785][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3478.376785][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3478.376785][ T903] ip6_route_add+0x1c/0x140 [ 3478.376785][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3478.376785][ T903] inet6_addr_add+0x4f8/0xa40 [ 3478.376785][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3478.376785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.376785][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.376785][ T903] netlink_unicast+0x449/0x710 [ 3478.376785][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.376785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.376785][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.376785][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.376785][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.376785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3478.376785][ T903] [ 3478.378943][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3478.378943][ T903] netdev_get_by_index+0x5e/0x80 [ 3478.378943][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3478.378943][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3478.378943][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3478.378943][ T903] ipv6_add_addr+0x411/0x2000 [ 3478.378943][ T903] inet6_addr_add+0x30e/0xa40 [ 3478.378943][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3478.378943][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.378943][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.378943][ T903] netlink_unicast+0x449/0x710 [ 3478.378943][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.378943][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.378943][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.378943][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.378943][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.378943][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3478.378943][ T903] [ 3478.381113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3478.381113][ T903] netdev_get_by_index+0x5e/0x80 [ 3478.381113][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3478.381113][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3478.381113][ T903] ip6_route_add+0x1c/0x140 [ 3478.381113][ T903] addrconf_add_mroute+0x129/0x180 [ 3478.381113][ T903] addrconf_add_dev+0xe2/0x170 [ 3478.381113][ T903] inet6_addr_add+0x12f/0xa40 [ 3478.381113][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3478.381113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.381113][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.381113][ T903] netlink_unicast+0x449/0x710 [ 3478.381113][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.381113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.381113][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.381113][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.381113][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.381113][ T903] [ 3478.383232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3478.383232][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3478.383232][ T903] ipv6_find_idev+0x102/0x170 [ 3478.383232][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3478.383232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.383232][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.383232][ T903] netlink_unicast+0x449/0x710 [ 3478.383232][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.383232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.383232][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.383232][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.383232][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.383232][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3478.383232][ T903] [ 3478.384930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3478.384930][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3478.384930][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3478.384930][ T903] ipv6_find_idev+0x102/0x170 [ 3478.384930][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3478.384930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3478.384930][ T903] netlink_rcv_skb+0x130/0x360 [ 3478.384930][ T903] netlink_unicast+0x449/0x710 [ 3478.384930][ T903] netlink_sendmsg+0x723/0xbe0 [ 3478.384930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3478.384930][ T903] ___sys_sendmsg+0xee/0x170 [ 3478.384930][ T903] __sys_sendmsg+0xcd/0x170 [ 3478.384930][ T903] do_syscall_64+0xc6/0x1e0 [ 3478.384930][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3478.384930][ T903] [ 3488.629864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3488.630617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3488.630617][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3488.630617][ T903] ip6_validate_gw+0x3eb/0x790 [ 3488.630617][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3488.630617][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3488.630617][ T903] ip6_route_add+0x1c/0x140 [ 3488.630617][ T903] inet6_rtm_newroute+0x104/0x110 [ 3488.630617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.630617][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.630617][ T903] netlink_unicast+0x449/0x710 [ 3488.630617][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.630617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.630617][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.630617][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.630617][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.630617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3488.630617][ T903] [ 3488.632681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3488.632681][ T903] netdev_get_by_index+0x5e/0x80 [ 3488.632681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3488.632681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3488.632681][ T903] ip6_route_add+0x1c/0x140 [ 3488.632681][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3488.632681][ T903] inet6_addr_add+0x4f8/0xa40 [ 3488.632681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3488.632681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.632681][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.632681][ T903] netlink_unicast+0x449/0x710 [ 3488.632681][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.632681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.632681][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.632681][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.632681][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.632681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3488.632681][ T903] [ 3488.634898][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3488.634898][ T903] netdev_get_by_index+0x5e/0x80 [ 3488.634898][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3488.634898][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3488.634898][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3488.634898][ T903] ipv6_add_addr+0x411/0x2000 [ 3488.634898][ T903] inet6_addr_add+0x30e/0xa40 [ 3488.634898][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3488.634898][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.634898][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.634898][ T903] netlink_unicast+0x449/0x710 [ 3488.634898][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.634898][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.634898][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.634898][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.634898][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.634898][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3488.634898][ T903] [ 3488.637057][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3488.637057][ T903] netdev_get_by_index+0x5e/0x80 [ 3488.637057][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3488.637057][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3488.637057][ T903] ip6_route_add+0x1c/0x140 [ 3488.637057][ T903] addrconf_add_mroute+0x129/0x180 [ 3488.637057][ T903] addrconf_add_dev+0xe2/0x170 [ 3488.637057][ T903] inet6_addr_add+0x12f/0xa40 [ 3488.637057][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3488.637057][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.637057][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.637057][ T903] netlink_unicast+0x449/0x710 [ 3488.637057][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.637057][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.637057][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.637057][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.637057][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.637057][ T903] [ 3488.639167][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3488.639167][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3488.639167][ T903] ipv6_find_idev+0x102/0x170 [ 3488.639167][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3488.639167][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.639167][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.639167][ T903] netlink_unicast+0x449/0x710 [ 3488.639167][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.639167][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.639167][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.639167][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.639167][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.639167][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3488.639167][ T903] [ 3488.640968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3488.640968][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3488.640968][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3488.640968][ T903] ipv6_find_idev+0x102/0x170 [ 3488.640968][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3488.640968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3488.640968][ T903] netlink_rcv_skb+0x130/0x360 [ 3488.640968][ T903] netlink_unicast+0x449/0x710 [ 3488.640968][ T903] netlink_sendmsg+0x723/0xbe0 [ 3488.640968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3488.640968][ T903] ___sys_sendmsg+0xee/0x170 [ 3488.640968][ T903] __sys_sendmsg+0xcd/0x170 [ 3488.640968][ T903] do_syscall_64+0xc6/0x1e0 [ 3488.640968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3488.640968][ T903] [ 3498.885898][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3498.886600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3498.886600][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3498.886600][ T903] ip6_validate_gw+0x3eb/0x790 [ 3498.886600][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3498.886600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3498.886600][ T903] ip6_route_add+0x1c/0x140 [ 3498.886600][ T903] inet6_rtm_newroute+0x104/0x110 [ 3498.886600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.886600][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.886600][ T903] netlink_unicast+0x449/0x710 [ 3498.886600][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.886600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.886600][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.886600][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.886600][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.886600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.886600][ T903] [ 3498.888656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3498.888656][ T903] netdev_get_by_index+0x5e/0x80 [ 3498.888656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3498.888656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3498.888656][ T903] ip6_route_add+0x1c/0x140 [ 3498.888656][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3498.888656][ T903] inet6_addr_add+0x4f8/0xa40 [ 3498.888656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.888656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.888656][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.888656][ T903] netlink_unicast+0x449/0x710 [ 3498.888656][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.888656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.888656][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.888656][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.888656][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.888656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.888656][ T903] [ 3498.890804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3498.890804][ T903] netdev_get_by_index+0x5e/0x80 [ 3498.890804][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3498.890804][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3498.890804][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3498.890804][ T903] ipv6_add_addr+0x411/0x2000 [ 3498.890804][ T903] inet6_addr_add+0x30e/0xa40 [ 3498.890804][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.890804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.890804][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.890804][ T903] netlink_unicast+0x449/0x710 [ 3498.890804][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.890804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.890804][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.890804][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.890804][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.890804][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.890804][ T903] [ 3498.892953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3498.892953][ T903] netdev_get_by_index+0x5e/0x80 [ 3498.892953][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3498.892953][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3498.892953][ T903] ip6_route_add+0x1c/0x140 [ 3498.892953][ T903] addrconf_add_mroute+0x129/0x180 [ 3498.892953][ T903] addrconf_add_dev+0xe2/0x170 [ 3498.892953][ T903] inet6_addr_add+0x12f/0xa40 [ 3498.892953][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.892953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.892953][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.892953][ T903] netlink_unicast+0x449/0x710 [ 3498.892953][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.892953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.892953][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.892953][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.892953][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.892953][ T903] [ 3498.895126][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3498.895126][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3498.895126][ T903] ipv6_find_idev+0x102/0x170 [ 3498.895126][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.895126][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.895126][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.895126][ T903] netlink_unicast+0x449/0x710 [ 3498.895126][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.895126][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.895126][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.895126][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.895126][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.895126][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.895126][ T903] [ 3498.896865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3498.896865][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3498.896865][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3498.896865][ T903] ipv6_find_idev+0x102/0x170 [ 3498.896865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.896865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.896865][ T903] netlink_rcv_skb+0x130/0x360 [ 3498.896865][ T903] netlink_unicast+0x449/0x710 [ 3498.896865][ T903] netlink_sendmsg+0x723/0xbe0 [ 3498.896865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3498.896865][ T903] ___sys_sendmsg+0xee/0x170 [ 3498.896865][ T903] __sys_sendmsg+0xcd/0x170 [ 3498.896865][ T903] do_syscall_64+0xc6/0x1e0 [ 3498.896865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.896865][ T903] [ 3509.141893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3509.142609][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3509.142609][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3509.142609][ T903] ip6_validate_gw+0x3eb/0x790 [ 3509.142609][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3509.142609][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3509.142609][ T903] ip6_route_add+0x1c/0x140 [ 3509.142609][ T903] inet6_rtm_newroute+0x104/0x110 [ 3509.142609][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.142609][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.142609][ T903] netlink_unicast+0x449/0x710 [ 3509.142609][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.142609][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.142609][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.142609][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.142609][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.142609][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3509.142609][ T903] [ 3509.144662][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3509.144662][ T903] netdev_get_by_index+0x5e/0x80 [ 3509.144662][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3509.144662][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3509.144662][ T903] ip6_route_add+0x1c/0x140 [ 3509.144662][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3509.144662][ T903] inet6_addr_add+0x4f8/0xa40 [ 3509.144662][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3509.144662][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.144662][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.144662][ T903] netlink_unicast+0x449/0x710 [ 3509.144662][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.144662][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.144662][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.144662][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.144662][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.144662][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3509.144662][ T903] [ 3509.146832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3509.146832][ T903] netdev_get_by_index+0x5e/0x80 [ 3509.146832][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3509.146832][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3509.146832][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3509.146832][ T903] ipv6_add_addr+0x411/0x2000 [ 3509.146832][ T903] inet6_addr_add+0x30e/0xa40 [ 3509.146832][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3509.146832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.146832][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.146832][ T903] netlink_unicast+0x449/0x710 [ 3509.146832][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.146832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.146832][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.146832][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.146832][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.146832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3509.146832][ T903] [ 3509.149000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3509.149000][ T903] netdev_get_by_index+0x5e/0x80 [ 3509.149000][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3509.149000][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3509.149000][ T903] ip6_route_add+0x1c/0x140 [ 3509.149000][ T903] addrconf_add_mroute+0x129/0x180 [ 3509.149000][ T903] addrconf_add_dev+0xe2/0x170 [ 3509.149000][ T903] inet6_addr_add+0x12f/0xa40 [ 3509.149000][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3509.149000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.149000][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.149000][ T903] netlink_unicast+0x449/0x710 [ 3509.149000][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.149000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.149000][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.149000][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.149000][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.149000][ T903] [ 3509.151139][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3509.151139][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3509.151139][ T903] ipv6_find_idev+0x102/0x170 [ 3509.151139][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3509.151139][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.151139][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.151139][ T903] netlink_unicast+0x449/0x710 [ 3509.151139][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.151139][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.151139][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.151139][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.151139][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.151139][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3509.151139][ T903] [ 3509.152787][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3509.152787][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3509.152787][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3509.152787][ T903] ipv6_find_idev+0x102/0x170 [ 3509.152787][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3509.152787][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3509.152787][ T903] netlink_rcv_skb+0x130/0x360 [ 3509.152787][ T903] netlink_unicast+0x449/0x710 [ 3509.152787][ T903] netlink_sendmsg+0x723/0xbe0 [ 3509.152787][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3509.152787][ T903] ___sys_sendmsg+0xee/0x170 [ 3509.152787][ T903] __sys_sendmsg+0xcd/0x170 [ 3509.152787][ T903] do_syscall_64+0xc6/0x1e0 [ 3509.152787][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3509.152787][ T903] [ 3519.389893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3519.390602][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3519.390602][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3519.390602][ T903] ip6_validate_gw+0x3eb/0x790 [ 3519.390602][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3519.390602][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3519.390602][ T903] ip6_route_add+0x1c/0x140 [ 3519.390602][ T903] inet6_rtm_newroute+0x104/0x110 [ 3519.390602][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.390602][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.390602][ T903] netlink_unicast+0x449/0x710 [ 3519.390602][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.390602][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.390602][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.390602][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.390602][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.390602][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3519.390602][ T903] [ 3519.392646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3519.392646][ T903] netdev_get_by_index+0x5e/0x80 [ 3519.392646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3519.392646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3519.392646][ T903] ip6_route_add+0x1c/0x140 [ 3519.392646][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3519.392646][ T903] inet6_addr_add+0x4f8/0xa40 [ 3519.392646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3519.392646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.392646][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.392646][ T903] netlink_unicast+0x449/0x710 [ 3519.392646][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.392646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.392646][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.392646][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.392646][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.392646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3519.392646][ T903] [ 3519.394794][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3519.394794][ T903] netdev_get_by_index+0x5e/0x80 [ 3519.394794][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3519.394794][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3519.394794][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3519.394794][ T903] ipv6_add_addr+0x411/0x2000 [ 3519.394794][ T903] inet6_addr_add+0x30e/0xa40 [ 3519.394794][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3519.394794][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.394794][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.394794][ T903] netlink_unicast+0x449/0x710 [ 3519.394794][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.394794][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.394794][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.394794][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.394794][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.394794][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3519.394794][ T903] [ 3519.396969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3519.396969][ T903] netdev_get_by_index+0x5e/0x80 [ 3519.396969][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3519.396969][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3519.396969][ T903] ip6_route_add+0x1c/0x140 [ 3519.396969][ T903] addrconf_add_mroute+0x129/0x180 [ 3519.396969][ T903] addrconf_add_dev+0xe2/0x170 [ 3519.396969][ T903] inet6_addr_add+0x12f/0xa40 [ 3519.396969][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3519.396969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.396969][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.396969][ T903] netlink_unicast+0x449/0x710 [ 3519.396969][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.396969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.396969][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.396969][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.396969][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.396969][ T903] [ 3519.399154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3519.399154][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3519.399154][ T903] ipv6_find_idev+0x102/0x170 [ 3519.399154][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3519.399154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.399154][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.399154][ T903] netlink_unicast+0x449/0x710 [ 3519.399154][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.399154][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.399154][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.399154][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.399154][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.399154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3519.399154][ T903] [ 3519.400822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3519.400822][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3519.400822][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3519.400822][ T903] ipv6_find_idev+0x102/0x170 [ 3519.400822][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3519.400822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3519.400822][ T903] netlink_rcv_skb+0x130/0x360 [ 3519.400822][ T903] netlink_unicast+0x449/0x710 [ 3519.400822][ T903] netlink_sendmsg+0x723/0xbe0 [ 3519.400822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3519.400822][ T903] ___sys_sendmsg+0xee/0x170 [ 3519.400822][ T903] __sys_sendmsg+0xcd/0x170 [ 3519.400822][ T903] do_syscall_64+0xc6/0x1e0 [ 3519.400822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3519.400822][ T903] [ 3529.637861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3529.638458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3529.638458][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3529.638458][ T903] ip6_validate_gw+0x3eb/0x790 [ 3529.638458][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3529.638458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3529.638458][ T903] ip6_route_add+0x1c/0x140 [ 3529.638458][ T903] inet6_rtm_newroute+0x104/0x110 [ 3529.638458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.638458][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.638458][ T903] netlink_unicast+0x449/0x710 [ 3529.638458][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.638458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.638458][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.638458][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.638458][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.638458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3529.638458][ T903] [ 3529.640589][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3529.640589][ T903] netdev_get_by_index+0x5e/0x80 [ 3529.640589][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3529.640589][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3529.640589][ T903] ip6_route_add+0x1c/0x140 [ 3529.640589][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3529.640589][ T903] inet6_addr_add+0x4f8/0xa40 [ 3529.640589][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3529.640589][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.640589][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.640589][ T903] netlink_unicast+0x449/0x710 [ 3529.640589][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.640589][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.640589][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.640589][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.640589][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.640589][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3529.640589][ T903] [ 3529.642660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3529.642660][ T903] netdev_get_by_index+0x5e/0x80 [ 3529.642660][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3529.642660][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3529.642660][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3529.642660][ T903] ipv6_add_addr+0x411/0x2000 [ 3529.642660][ T903] inet6_addr_add+0x30e/0xa40 [ 3529.642660][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3529.642660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.642660][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.642660][ T903] netlink_unicast+0x449/0x710 [ 3529.642660][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.642660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.642660][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.642660][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.642660][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.642660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3529.642660][ T903] [ 3529.644731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3529.644731][ T903] netdev_get_by_index+0x5e/0x80 [ 3529.644731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3529.644731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3529.644731][ T903] ip6_route_add+0x1c/0x140 [ 3529.644731][ T903] addrconf_add_mroute+0x129/0x180 [ 3529.644731][ T903] addrconf_add_dev+0xe2/0x170 [ 3529.644731][ T903] inet6_addr_add+0x12f/0xa40 [ 3529.644731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3529.644731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.644731][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.644731][ T903] netlink_unicast+0x449/0x710 [ 3529.644731][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.644731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.644731][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.644731][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.644731][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.644731][ T903] [ 3529.646848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3529.646848][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3529.646848][ T903] ipv6_find_idev+0x102/0x170 [ 3529.646848][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3529.646848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.646848][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.646848][ T903] netlink_unicast+0x449/0x710 [ 3529.646848][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.646848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.646848][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.646848][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.646848][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.646848][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3529.646848][ T903] [ 3529.648499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3529.648499][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3529.648499][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3529.648499][ T903] ipv6_find_idev+0x102/0x170 [ 3529.648499][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3529.648499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3529.648499][ T903] netlink_rcv_skb+0x130/0x360 [ 3529.648499][ T903] netlink_unicast+0x449/0x710 [ 3529.648499][ T903] netlink_sendmsg+0x723/0xbe0 [ 3529.648499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3529.648499][ T903] ___sys_sendmsg+0xee/0x170 [ 3529.648499][ T903] __sys_sendmsg+0xcd/0x170 [ 3529.648499][ T903] do_syscall_64+0xc6/0x1e0 [ 3529.648499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3529.648499][ T903] [ 3539.885806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3539.886327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3539.886327][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3539.886327][ T903] ip6_validate_gw+0x3eb/0x790 [ 3539.886327][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3539.886327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3539.886327][ T903] ip6_route_add+0x1c/0x140 [ 3539.886327][ T903] inet6_rtm_newroute+0x104/0x110 [ 3539.886327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.886327][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.886327][ T903] netlink_unicast+0x449/0x710 [ 3539.886327][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.886327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.886327][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.886327][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.886327][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.886327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.886327][ T903] [ 3539.888455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3539.888455][ T903] netdev_get_by_index+0x5e/0x80 [ 3539.888455][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3539.888455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3539.888455][ T903] ip6_route_add+0x1c/0x140 [ 3539.888455][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3539.888455][ T903] inet6_addr_add+0x4f8/0xa40 [ 3539.888455][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.888455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.888455][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.888455][ T903] netlink_unicast+0x449/0x710 [ 3539.888455][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.888455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.888455][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.888455][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.888455][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.888455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.888455][ T903] [ 3539.890671][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3539.890671][ T903] netdev_get_by_index+0x5e/0x80 [ 3539.890671][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3539.890671][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3539.890671][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3539.890671][ T903] ipv6_add_addr+0x411/0x2000 [ 3539.890671][ T903] inet6_addr_add+0x30e/0xa40 [ 3539.890671][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.890671][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.890671][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.890671][ T903] netlink_unicast+0x449/0x710 [ 3539.890671][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.890671][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.890671][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.890671][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.890671][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.890671][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.890671][ T903] [ 3539.892892][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3539.892892][ T903] netdev_get_by_index+0x5e/0x80 [ 3539.892892][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3539.892892][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3539.892892][ T903] ip6_route_add+0x1c/0x140 [ 3539.892892][ T903] addrconf_add_mroute+0x129/0x180 [ 3539.892892][ T903] addrconf_add_dev+0xe2/0x170 [ 3539.892892][ T903] inet6_addr_add+0x12f/0xa40 [ 3539.892892][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.892892][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.892892][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.892892][ T903] netlink_unicast+0x449/0x710 [ 3539.892892][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.892892][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.892892][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.892892][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.892892][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.892892][ T903] [ 3539.895082][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3539.895082][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3539.895082][ T903] ipv6_find_idev+0x102/0x170 [ 3539.895082][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3539.895082][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.895082][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.895082][ T903] netlink_unicast+0x449/0x710 [ 3539.895082][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.895082][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.895082][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.895082][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.895082][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.895082][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.895082][ T903] [ 3539.896797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3539.896797][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3539.896797][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3539.896797][ T903] ipv6_find_idev+0x102/0x170 [ 3539.896797][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3539.896797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.896797][ T903] netlink_rcv_skb+0x130/0x360 [ 3539.896797][ T903] netlink_unicast+0x449/0x710 [ 3539.896797][ T903] netlink_sendmsg+0x723/0xbe0 [ 3539.896797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3539.896797][ T903] ___sys_sendmsg+0xee/0x170 [ 3539.896797][ T903] __sys_sendmsg+0xcd/0x170 [ 3539.896797][ T903] do_syscall_64+0xc6/0x1e0 [ 3539.896797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.896797][ T903] [ 3550.141879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3550.142741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3550.142741][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3550.142741][ T903] ip6_validate_gw+0x3eb/0x790 [ 3550.142741][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3550.142741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3550.142741][ T903] ip6_route_add+0x1c/0x140 [ 3550.142741][ T903] inet6_rtm_newroute+0x104/0x110 [ 3550.142741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.142741][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.142741][ T903] netlink_unicast+0x449/0x710 [ 3550.142741][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.142741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.142741][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.142741][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.142741][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.142741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3550.142741][ T903] [ 3550.144901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3550.144901][ T903] netdev_get_by_index+0x5e/0x80 [ 3550.144901][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3550.144901][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3550.144901][ T903] ip6_route_add+0x1c/0x140 [ 3550.144901][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3550.144901][ T903] inet6_addr_add+0x4f8/0xa40 [ 3550.144901][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3550.144901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.144901][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.144901][ T903] netlink_unicast+0x449/0x710 [ 3550.144901][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.144901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.144901][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.144901][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.144901][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.144901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3550.144901][ T903] [ 3550.147120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3550.147120][ T903] netdev_get_by_index+0x5e/0x80 [ 3550.147120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3550.147120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3550.147120][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3550.147120][ T903] ipv6_add_addr+0x411/0x2000 [ 3550.147120][ T903] inet6_addr_add+0x30e/0xa40 [ 3550.147120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3550.147120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.147120][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.147120][ T903] netlink_unicast+0x449/0x710 [ 3550.147120][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.147120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.147120][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.147120][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.147120][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.147120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3550.147120][ T903] [ 3550.149200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3550.149200][ T903] netdev_get_by_index+0x5e/0x80 [ 3550.149200][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3550.149200][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3550.149200][ T903] ip6_route_add+0x1c/0x140 [ 3550.149200][ T903] addrconf_add_mroute+0x129/0x180 [ 3550.149200][ T903] addrconf_add_dev+0xe2/0x170 [ 3550.149200][ T903] inet6_addr_add+0x12f/0xa40 [ 3550.149200][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3550.149200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.149200][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.149200][ T903] netlink_unicast+0x449/0x710 [ 3550.149200][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.149200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.149200][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.149200][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.149200][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.149200][ T903] [ 3550.151287][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3550.151287][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3550.151287][ T903] ipv6_find_idev+0x102/0x170 [ 3550.151287][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3550.151287][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.151287][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.151287][ T903] netlink_unicast+0x449/0x710 [ 3550.151287][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.151287][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.151287][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.151287][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.151287][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.151287][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3550.151287][ T903] [ 3550.152915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3550.152915][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3550.152915][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3550.152915][ T903] ipv6_find_idev+0x102/0x170 [ 3550.152915][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3550.152915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3550.152915][ T903] netlink_rcv_skb+0x130/0x360 [ 3550.152915][ T903] netlink_unicast+0x449/0x710 [ 3550.152915][ T903] netlink_sendmsg+0x723/0xbe0 [ 3550.152915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3550.152915][ T903] ___sys_sendmsg+0xee/0x170 [ 3550.152915][ T903] __sys_sendmsg+0xcd/0x170 [ 3550.152915][ T903] do_syscall_64+0xc6/0x1e0 [ 3550.152915][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3550.152915][ T903] [ 3560.397874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3560.398676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3560.398676][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3560.398676][ T903] ip6_validate_gw+0x3eb/0x790 [ 3560.398676][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3560.398676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3560.398676][ T903] ip6_route_add+0x1c/0x140 [ 3560.398676][ T903] inet6_rtm_newroute+0x104/0x110 [ 3560.398676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.398676][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.398676][ T903] netlink_unicast+0x449/0x710 [ 3560.398676][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.398676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.398676][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.398676][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.398676][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.398676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3560.398676][ T903] [ 3560.400656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3560.400656][ T903] netdev_get_by_index+0x5e/0x80 [ 3560.400656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3560.400656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3560.400656][ T903] ip6_route_add+0x1c/0x140 [ 3560.400656][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3560.400656][ T903] inet6_addr_add+0x4f8/0xa40 [ 3560.400656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3560.400656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.400656][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.400656][ T903] netlink_unicast+0x449/0x710 [ 3560.400656][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.400656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.400656][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.400656][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.400656][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.400656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3560.400656][ T903] [ 3560.402731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3560.402731][ T903] netdev_get_by_index+0x5e/0x80 [ 3560.402731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3560.402731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3560.402731][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3560.402731][ T903] ipv6_add_addr+0x411/0x2000 [ 3560.402731][ T903] inet6_addr_add+0x30e/0xa40 [ 3560.402731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3560.402731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.402731][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.402731][ T903] netlink_unicast+0x449/0x710 [ 3560.402731][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.402731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.402731][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.402731][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.402731][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.402731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3560.402731][ T903] [ 3560.404905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3560.404905][ T903] netdev_get_by_index+0x5e/0x80 [ 3560.404905][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3560.404905][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3560.404905][ T903] ip6_route_add+0x1c/0x140 [ 3560.404905][ T903] addrconf_add_mroute+0x129/0x180 [ 3560.404905][ T903] addrconf_add_dev+0xe2/0x170 [ 3560.404905][ T903] inet6_addr_add+0x12f/0xa40 [ 3560.404905][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3560.404905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.404905][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.404905][ T903] netlink_unicast+0x449/0x710 [ 3560.404905][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.404905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.404905][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.404905][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.404905][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.404905][ T903] [ 3560.407545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3560.407545][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3560.407545][ T903] ipv6_find_idev+0x102/0x170 [ 3560.407545][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3560.407545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.407545][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.407545][ T903] netlink_unicast+0x449/0x710 [ 3560.407545][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.407545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.407545][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.407545][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.407545][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.407545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3560.407545][ T903] [ 3560.409312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3560.409312][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3560.409312][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3560.409312][ T903] ipv6_find_idev+0x102/0x170 [ 3560.409312][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3560.409312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3560.409312][ T903] netlink_rcv_skb+0x130/0x360 [ 3560.409312][ T903] netlink_unicast+0x449/0x710 [ 3560.409312][ T903] netlink_sendmsg+0x723/0xbe0 [ 3560.409312][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3560.409312][ T903] ___sys_sendmsg+0xee/0x170 [ 3560.409312][ T903] __sys_sendmsg+0xcd/0x170 [ 3560.409312][ T903] do_syscall_64+0xc6/0x1e0 [ 3560.409312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3560.409312][ T903] [ 3570.653866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3570.654597][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3570.654597][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3570.654597][ T903] ip6_validate_gw+0x3eb/0x790 [ 3570.654597][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3570.654597][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3570.654597][ T903] ip6_route_add+0x1c/0x140 [ 3570.654597][ T903] inet6_rtm_newroute+0x104/0x110 [ 3570.654597][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.654597][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.654597][ T903] netlink_unicast+0x449/0x710 [ 3570.654597][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.654597][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.654597][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.654597][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.654597][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.654597][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3570.654597][ T903] [ 3570.656715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3570.656715][ T903] netdev_get_by_index+0x5e/0x80 [ 3570.656715][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3570.656715][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3570.656715][ T903] ip6_route_add+0x1c/0x140 [ 3570.656715][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3570.656715][ T903] inet6_addr_add+0x4f8/0xa40 [ 3570.656715][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3570.656715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.656715][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.656715][ T903] netlink_unicast+0x449/0x710 [ 3570.656715][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.656715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.656715][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.656715][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.656715][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.656715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3570.656715][ T903] [ 3570.658858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3570.658858][ T903] netdev_get_by_index+0x5e/0x80 [ 3570.658858][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3570.658858][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3570.658858][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3570.658858][ T903] ipv6_add_addr+0x411/0x2000 [ 3570.658858][ T903] inet6_addr_add+0x30e/0xa40 [ 3570.658858][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3570.658858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.658858][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.658858][ T903] netlink_unicast+0x449/0x710 [ 3570.658858][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.658858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.658858][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.658858][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.658858][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.658858][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3570.658858][ T903] [ 3570.660997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3570.660997][ T903] netdev_get_by_index+0x5e/0x80 [ 3570.660997][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3570.660997][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3570.660997][ T903] ip6_route_add+0x1c/0x140 [ 3570.660997][ T903] addrconf_add_mroute+0x129/0x180 [ 3570.660997][ T903] addrconf_add_dev+0xe2/0x170 [ 3570.660997][ T903] inet6_addr_add+0x12f/0xa40 [ 3570.660997][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3570.660997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.660997][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.660997][ T903] netlink_unicast+0x449/0x710 [ 3570.660997][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.660997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.660997][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.660997][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.660997][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.660997][ T903] [ 3570.663196][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3570.663196][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3570.663196][ T903] ipv6_find_idev+0x102/0x170 [ 3570.663196][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3570.663196][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.663196][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.663196][ T903] netlink_unicast+0x449/0x710 [ 3570.663196][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.663196][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.663196][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.663196][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.663196][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.663196][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3570.663196][ T903] [ 3570.664884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3570.664884][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3570.664884][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3570.664884][ T903] ipv6_find_idev+0x102/0x170 [ 3570.664884][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3570.664884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3570.664884][ T903] netlink_rcv_skb+0x130/0x360 [ 3570.664884][ T903] netlink_unicast+0x449/0x710 [ 3570.664884][ T903] netlink_sendmsg+0x723/0xbe0 [ 3570.664884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3570.664884][ T903] ___sys_sendmsg+0xee/0x170 [ 3570.664884][ T903] __sys_sendmsg+0xcd/0x170 [ 3570.664884][ T903] do_syscall_64+0xc6/0x1e0 [ 3570.664884][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3570.664884][ T903] [ 3580.909881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3580.910496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3580.910496][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3580.910496][ T903] ip6_validate_gw+0x3eb/0x790 [ 3580.910496][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3580.910496][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3580.910496][ T903] ip6_route_add+0x1c/0x140 [ 3580.910496][ T903] inet6_rtm_newroute+0x104/0x110 [ 3580.910496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.910496][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.910496][ T903] netlink_unicast+0x449/0x710 [ 3580.910496][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.910496][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.910496][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.910496][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.910496][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.910496][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3580.910496][ T903] [ 3580.912556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3580.912556][ T903] netdev_get_by_index+0x5e/0x80 [ 3580.912556][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3580.912556][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3580.912556][ T903] ip6_route_add+0x1c/0x140 [ 3580.912556][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3580.912556][ T903] inet6_addr_add+0x4f8/0xa40 [ 3580.912556][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3580.912556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.912556][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.912556][ T903] netlink_unicast+0x449/0x710 [ 3580.912556][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.912556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.912556][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.912556][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.912556][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.912556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3580.912556][ T903] [ 3580.914696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3580.914696][ T903] netdev_get_by_index+0x5e/0x80 [ 3580.914696][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3580.914696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3580.914696][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3580.914696][ T903] ipv6_add_addr+0x411/0x2000 [ 3580.914696][ T903] inet6_addr_add+0x30e/0xa40 [ 3580.914696][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3580.914696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.914696][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.914696][ T903] netlink_unicast+0x449/0x710 [ 3580.914696][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.914696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.914696][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.914696][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.914696][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.914696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3580.914696][ T903] [ 3580.916900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3580.916900][ T903] netdev_get_by_index+0x5e/0x80 [ 3580.916900][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3580.916900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3580.916900][ T903] ip6_route_add+0x1c/0x140 [ 3580.916900][ T903] addrconf_add_mroute+0x129/0x180 [ 3580.916900][ T903] addrconf_add_dev+0xe2/0x170 [ 3580.916900][ T903] inet6_addr_add+0x12f/0xa40 [ 3580.916900][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3580.916900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.916900][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.916900][ T903] netlink_unicast+0x449/0x710 [ 3580.916900][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.916900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.916900][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.916900][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.916900][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.916900][ T903] [ 3580.919006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3580.919006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3580.919006][ T903] ipv6_find_idev+0x102/0x170 [ 3580.919006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3580.919006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.919006][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.919006][ T903] netlink_unicast+0x449/0x710 [ 3580.919006][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.919006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.919006][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.919006][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.919006][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.919006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3580.919006][ T903] [ 3580.920659][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3580.920659][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3580.920659][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3580.920659][ T903] ipv6_find_idev+0x102/0x170 [ 3580.920659][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3580.920659][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3580.920659][ T903] netlink_rcv_skb+0x130/0x360 [ 3580.920659][ T903] netlink_unicast+0x449/0x710 [ 3580.920659][ T903] netlink_sendmsg+0x723/0xbe0 [ 3580.920659][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3580.920659][ T903] ___sys_sendmsg+0xee/0x170 [ 3580.920659][ T903] __sys_sendmsg+0xcd/0x170 [ 3580.920659][ T903] do_syscall_64+0xc6/0x1e0 [ 3580.920659][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3580.920659][ T903] [ 3591.157864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3591.158674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3591.158674][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3591.158674][ T903] ip6_validate_gw+0x3eb/0x790 [ 3591.158674][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3591.158674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3591.158674][ T903] ip6_route_add+0x1c/0x140 [ 3591.158674][ T903] inet6_rtm_newroute+0x104/0x110 [ 3591.158674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.158674][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.158674][ T903] netlink_unicast+0x449/0x710 [ 3591.158674][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.158674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.158674][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.158674][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.158674][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.158674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3591.158674][ T903] [ 3591.160713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3591.160713][ T903] netdev_get_by_index+0x5e/0x80 [ 3591.160713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3591.160713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3591.160713][ T903] ip6_route_add+0x1c/0x140 [ 3591.160713][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3591.160713][ T903] inet6_addr_add+0x4f8/0xa40 [ 3591.160713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3591.160713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.160713][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.160713][ T903] netlink_unicast+0x449/0x710 [ 3591.160713][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.160713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.160713][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.160713][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.160713][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.160713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3591.160713][ T903] [ 3591.162865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3591.162865][ T903] netdev_get_by_index+0x5e/0x80 [ 3591.162865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3591.162865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3591.162865][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3591.162865][ T903] ipv6_add_addr+0x411/0x2000 [ 3591.162865][ T903] inet6_addr_add+0x30e/0xa40 [ 3591.162865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3591.162865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.162865][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.162865][ T903] netlink_unicast+0x449/0x710 [ 3591.162865][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.162865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.162865][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.162865][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.162865][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.162865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3591.162865][ T903] [ 3591.165055][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3591.165055][ T903] netdev_get_by_index+0x5e/0x80 [ 3591.165055][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3591.165055][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3591.165055][ T903] ip6_route_add+0x1c/0x140 [ 3591.165055][ T903] addrconf_add_mroute+0x129/0x180 [ 3591.165055][ T903] addrconf_add_dev+0xe2/0x170 [ 3591.165055][ T903] inet6_addr_add+0x12f/0xa40 [ 3591.165055][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3591.165055][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.165055][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.165055][ T903] netlink_unicast+0x449/0x710 [ 3591.165055][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.165055][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.165055][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.165055][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.165055][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.165055][ T903] [ 3591.167169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3591.167169][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3591.167169][ T903] ipv6_find_idev+0x102/0x170 [ 3591.167169][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3591.167169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.167169][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.167169][ T903] netlink_unicast+0x449/0x710 [ 3591.167169][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.167169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.167169][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.167169][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.167169][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.167169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3591.167169][ T903] [ 3591.168813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3591.168813][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3591.168813][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3591.168813][ T903] ipv6_find_idev+0x102/0x170 [ 3591.168813][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3591.168813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3591.168813][ T903] netlink_rcv_skb+0x130/0x360 [ 3591.168813][ T903] netlink_unicast+0x449/0x710 [ 3591.168813][ T903] netlink_sendmsg+0x723/0xbe0 [ 3591.168813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3591.168813][ T903] ___sys_sendmsg+0xee/0x170 [ 3591.168813][ T903] __sys_sendmsg+0xcd/0x170 [ 3591.168813][ T903] do_syscall_64+0xc6/0x1e0 [ 3591.168813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3591.168813][ T903] [ 3601.397892][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3601.398775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3601.398775][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3601.398775][ T903] ip6_validate_gw+0x3eb/0x790 [ 3601.398775][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3601.398775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3601.398775][ T903] ip6_route_add+0x1c/0x140 [ 3601.398775][ T903] inet6_rtm_newroute+0x104/0x110 [ 3601.398775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.398775][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.398775][ T903] netlink_unicast+0x449/0x710 [ 3601.398775][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.398775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.398775][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.398775][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.398775][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.398775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3601.398775][ T903] [ 3601.400862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3601.400862][ T903] netdev_get_by_index+0x5e/0x80 [ 3601.400862][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3601.400862][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3601.400862][ T903] ip6_route_add+0x1c/0x140 [ 3601.400862][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3601.400862][ T903] inet6_addr_add+0x4f8/0xa40 [ 3601.400862][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3601.400862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.400862][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.400862][ T903] netlink_unicast+0x449/0x710 [ 3601.400862][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.400862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.400862][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.400862][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.400862][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.400862][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3601.400862][ T903] [ 3601.403120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3601.403120][ T903] netdev_get_by_index+0x5e/0x80 [ 3601.403120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3601.403120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3601.403120][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3601.403120][ T903] ipv6_add_addr+0x411/0x2000 [ 3601.403120][ T903] inet6_addr_add+0x30e/0xa40 [ 3601.403120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3601.403120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.403120][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.403120][ T903] netlink_unicast+0x449/0x710 [ 3601.403120][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.403120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.403120][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.403120][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.403120][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.403120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3601.403120][ T903] [ 3601.405389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3601.405389][ T903] netdev_get_by_index+0x5e/0x80 [ 3601.405389][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3601.405389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3601.405389][ T903] ip6_route_add+0x1c/0x140 [ 3601.405389][ T903] addrconf_add_mroute+0x129/0x180 [ 3601.405389][ T903] addrconf_add_dev+0xe2/0x170 [ 3601.405389][ T903] inet6_addr_add+0x12f/0xa40 [ 3601.405389][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3601.405389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.405389][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.405389][ T903] netlink_unicast+0x449/0x710 [ 3601.405389][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.405389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.405389][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.405389][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.405389][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.405389][ T903] [ 3601.407566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3601.407566][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3601.407566][ T903] ipv6_find_idev+0x102/0x170 [ 3601.407566][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3601.407566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.407566][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.407566][ T903] netlink_unicast+0x449/0x710 [ 3601.407566][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.407566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.407566][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.407566][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.407566][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.407566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3601.407566][ T903] [ 3601.409263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3601.409263][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3601.409263][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3601.409263][ T903] ipv6_find_idev+0x102/0x170 [ 3601.409263][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3601.409263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3601.409263][ T903] netlink_rcv_skb+0x130/0x360 [ 3601.409263][ T903] netlink_unicast+0x449/0x710 [ 3601.409263][ T903] netlink_sendmsg+0x723/0xbe0 [ 3601.409263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3601.409263][ T903] ___sys_sendmsg+0xee/0x170 [ 3601.409263][ T903] __sys_sendmsg+0xcd/0x170 [ 3601.409263][ T903] do_syscall_64+0xc6/0x1e0 [ 3601.409263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3601.409263][ T903] [ 3611.653904][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3611.654479][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3611.654479][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3611.654479][ T903] ip6_validate_gw+0x3eb/0x790 [ 3611.654479][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3611.654479][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3611.654479][ T903] ip6_route_add+0x1c/0x140 [ 3611.654479][ T903] inet6_rtm_newroute+0x104/0x110 [ 3611.654479][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.654479][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.654479][ T903] netlink_unicast+0x449/0x710 [ 3611.654479][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.654479][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.654479][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.654479][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.654479][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.654479][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3611.654479][ T903] [ 3611.656574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3611.656574][ T903] netdev_get_by_index+0x5e/0x80 [ 3611.656574][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3611.656574][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3611.656574][ T903] ip6_route_add+0x1c/0x140 [ 3611.656574][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3611.656574][ T903] inet6_addr_add+0x4f8/0xa40 [ 3611.656574][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3611.656574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.656574][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.656574][ T903] netlink_unicast+0x449/0x710 [ 3611.656574][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.656574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.656574][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.656574][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.656574][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.656574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3611.656574][ T903] [ 3611.658772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3611.658772][ T903] netdev_get_by_index+0x5e/0x80 [ 3611.658772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3611.658772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3611.658772][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3611.658772][ T903] ipv6_add_addr+0x411/0x2000 [ 3611.658772][ T903] inet6_addr_add+0x30e/0xa40 [ 3611.658772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3611.658772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.658772][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.658772][ T903] netlink_unicast+0x449/0x710 [ 3611.658772][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.658772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.658772][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.658772][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.658772][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.658772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3611.658772][ T903] [ 3611.660913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3611.660913][ T903] netdev_get_by_index+0x5e/0x80 [ 3611.660913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3611.660913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3611.660913][ T903] ip6_route_add+0x1c/0x140 [ 3611.660913][ T903] addrconf_add_mroute+0x129/0x180 [ 3611.660913][ T903] addrconf_add_dev+0xe2/0x170 [ 3611.660913][ T903] inet6_addr_add+0x12f/0xa40 [ 3611.660913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3611.660913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.660913][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.660913][ T903] netlink_unicast+0x449/0x710 [ 3611.660913][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.660913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.660913][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.660913][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.660913][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.660913][ T903] [ 3611.663006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3611.663006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3611.663006][ T903] ipv6_find_idev+0x102/0x170 [ 3611.663006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3611.663006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.663006][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.663006][ T903] netlink_unicast+0x449/0x710 [ 3611.663006][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.663006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.663006][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.663006][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.663006][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.663006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3611.663006][ T903] [ 3611.664648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3611.664648][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3611.664648][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3611.664648][ T903] ipv6_find_idev+0x102/0x170 [ 3611.664648][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3611.664648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3611.664648][ T903] netlink_rcv_skb+0x130/0x360 [ 3611.664648][ T903] netlink_unicast+0x449/0x710 [ 3611.664648][ T903] netlink_sendmsg+0x723/0xbe0 [ 3611.664648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3611.664648][ T903] ___sys_sendmsg+0xee/0x170 [ 3611.664648][ T903] __sys_sendmsg+0xcd/0x170 [ 3611.664648][ T903] do_syscall_64+0xc6/0x1e0 [ 3611.664648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3611.664648][ T903] [ 3621.909884][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3621.910426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3621.910426][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3621.910426][ T903] ip6_validate_gw+0x3eb/0x790 [ 3621.910426][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3621.910426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3621.910426][ T903] ip6_route_add+0x1c/0x140 [ 3621.910426][ T903] inet6_rtm_newroute+0x104/0x110 [ 3621.910426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.910426][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.910426][ T903] netlink_unicast+0x449/0x710 [ 3621.910426][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.910426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.910426][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.910426][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.910426][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.910426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3621.910426][ T903] [ 3621.912539][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3621.912539][ T903] netdev_get_by_index+0x5e/0x80 [ 3621.912539][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3621.912539][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3621.912539][ T903] ip6_route_add+0x1c/0x140 [ 3621.912539][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3621.912539][ T903] inet6_addr_add+0x4f8/0xa40 [ 3621.912539][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3621.912539][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.912539][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.912539][ T903] netlink_unicast+0x449/0x710 [ 3621.912539][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.912539][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.912539][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.912539][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.912539][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.912539][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3621.912539][ T903] [ 3621.914775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3621.914775][ T903] netdev_get_by_index+0x5e/0x80 [ 3621.914775][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3621.914775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3621.914775][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3621.914775][ T903] ipv6_add_addr+0x411/0x2000 [ 3621.914775][ T903] inet6_addr_add+0x30e/0xa40 [ 3621.914775][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3621.914775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.914775][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.914775][ T903] netlink_unicast+0x449/0x710 [ 3621.914775][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.914775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.914775][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.914775][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.914775][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.914775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3621.914775][ T903] [ 3621.916978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3621.916978][ T903] netdev_get_by_index+0x5e/0x80 [ 3621.916978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3621.916978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3621.916978][ T903] ip6_route_add+0x1c/0x140 [ 3621.916978][ T903] addrconf_add_mroute+0x129/0x180 [ 3621.916978][ T903] addrconf_add_dev+0xe2/0x170 [ 3621.916978][ T903] inet6_addr_add+0x12f/0xa40 [ 3621.916978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3621.916978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.916978][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.916978][ T903] netlink_unicast+0x449/0x710 [ 3621.916978][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.916978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.916978][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.916978][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.916978][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.916978][ T903] [ 3621.919116][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3621.919116][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3621.919116][ T903] ipv6_find_idev+0x102/0x170 [ 3621.919116][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3621.919116][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.919116][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.919116][ T903] netlink_unicast+0x449/0x710 [ 3621.919116][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.919116][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.919116][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.919116][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.919116][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.919116][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3621.919116][ T903] [ 3621.921099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3621.921099][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3621.921099][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3621.921099][ T903] ipv6_find_idev+0x102/0x170 [ 3621.921099][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3621.921099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3621.921099][ T903] netlink_rcv_skb+0x130/0x360 [ 3621.921099][ T903] netlink_unicast+0x449/0x710 [ 3621.921099][ T903] netlink_sendmsg+0x723/0xbe0 [ 3621.921099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3621.921099][ T903] ___sys_sendmsg+0xee/0x170 [ 3621.921099][ T903] __sys_sendmsg+0xcd/0x170 [ 3621.921099][ T903] do_syscall_64+0xc6/0x1e0 [ 3621.921099][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3621.921099][ T903] [ 3632.165915][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3632.166651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3632.166651][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3632.166651][ T903] ip6_validate_gw+0x3eb/0x790 [ 3632.166651][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3632.166651][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3632.166651][ T903] ip6_route_add+0x1c/0x140 [ 3632.166651][ T903] inet6_rtm_newroute+0x104/0x110 [ 3632.166651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.166651][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.166651][ T903] netlink_unicast+0x449/0x710 [ 3632.166651][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.166651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.166651][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.166651][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.166651][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.166651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3632.166651][ T903] [ 3632.168684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3632.168684][ T903] netdev_get_by_index+0x5e/0x80 [ 3632.168684][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3632.168684][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3632.168684][ T903] ip6_route_add+0x1c/0x140 [ 3632.168684][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3632.168684][ T903] inet6_addr_add+0x4f8/0xa40 [ 3632.168684][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3632.168684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.168684][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.168684][ T903] netlink_unicast+0x449/0x710 [ 3632.168684][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.168684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.168684][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.168684][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.168684][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.168684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3632.168684][ T903] [ 3632.170828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3632.170828][ T903] netdev_get_by_index+0x5e/0x80 [ 3632.170828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3632.170828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3632.170828][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3632.170828][ T903] ipv6_add_addr+0x411/0x2000 [ 3632.170828][ T903] inet6_addr_add+0x30e/0xa40 [ 3632.170828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3632.170828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.170828][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.170828][ T903] netlink_unicast+0x449/0x710 [ 3632.170828][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.170828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.170828][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.170828][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.170828][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.170828][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3632.170828][ T903] [ 3632.173007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3632.173007][ T903] netdev_get_by_index+0x5e/0x80 [ 3632.173007][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3632.173007][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3632.173007][ T903] ip6_route_add+0x1c/0x140 [ 3632.173007][ T903] addrconf_add_mroute+0x129/0x180 [ 3632.173007][ T903] addrconf_add_dev+0xe2/0x170 [ 3632.173007][ T903] inet6_addr_add+0x12f/0xa40 [ 3632.173007][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3632.173007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.173007][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.173007][ T903] netlink_unicast+0x449/0x710 [ 3632.173007][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.173007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.173007][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.173007][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.173007][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.173007][ T903] [ 3632.175160][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3632.175160][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3632.175160][ T903] ipv6_find_idev+0x102/0x170 [ 3632.175160][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3632.175160][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.175160][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.175160][ T903] netlink_unicast+0x449/0x710 [ 3632.175160][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.175160][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.175160][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.175160][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.175160][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.175160][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3632.175160][ T903] [ 3632.176859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3632.176859][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3632.176859][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3632.176859][ T903] ipv6_find_idev+0x102/0x170 [ 3632.176859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3632.176859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3632.176859][ T903] netlink_rcv_skb+0x130/0x360 [ 3632.176859][ T903] netlink_unicast+0x449/0x710 [ 3632.176859][ T903] netlink_sendmsg+0x723/0xbe0 [ 3632.176859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3632.176859][ T903] ___sys_sendmsg+0xee/0x170 [ 3632.176859][ T903] __sys_sendmsg+0xcd/0x170 [ 3632.176859][ T903] do_syscall_64+0xc6/0x1e0 [ 3632.176859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3632.176859][ T903] [ 3642.421864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3642.422453][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3642.422453][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3642.422453][ T903] ip6_validate_gw+0x3eb/0x790 [ 3642.422453][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3642.422453][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3642.422453][ T903] ip6_route_add+0x1c/0x140 [ 3642.422453][ T903] inet6_rtm_newroute+0x104/0x110 [ 3642.422453][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.422453][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.422453][ T903] netlink_unicast+0x449/0x710 [ 3642.422453][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.422453][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.422453][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.422453][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.422453][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.422453][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3642.422453][ T903] [ 3642.424593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3642.424593][ T903] netdev_get_by_index+0x5e/0x80 [ 3642.424593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3642.424593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3642.424593][ T903] ip6_route_add+0x1c/0x140 [ 3642.424593][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3642.424593][ T903] inet6_addr_add+0x4f8/0xa40 [ 3642.424593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3642.424593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.424593][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.424593][ T903] netlink_unicast+0x449/0x710 [ 3642.424593][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.424593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.424593][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.424593][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.424593][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.424593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3642.424593][ T903] [ 3642.426792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3642.426792][ T903] netdev_get_by_index+0x5e/0x80 [ 3642.426792][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3642.426792][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3642.426792][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3642.426792][ T903] ipv6_add_addr+0x411/0x2000 [ 3642.426792][ T903] inet6_addr_add+0x30e/0xa40 [ 3642.426792][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3642.426792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.426792][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.426792][ T903] netlink_unicast+0x449/0x710 [ 3642.426792][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.426792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.426792][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.426792][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.426792][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.426792][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3642.426792][ T903] [ 3642.428945][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3642.428945][ T903] netdev_get_by_index+0x5e/0x80 [ 3642.428945][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3642.428945][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3642.428945][ T903] ip6_route_add+0x1c/0x140 [ 3642.428945][ T903] addrconf_add_mroute+0x129/0x180 [ 3642.428945][ T903] addrconf_add_dev+0xe2/0x170 [ 3642.428945][ T903] inet6_addr_add+0x12f/0xa40 [ 3642.428945][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3642.428945][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.428945][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.428945][ T903] netlink_unicast+0x449/0x710 [ 3642.428945][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.428945][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.428945][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.428945][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.428945][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.428945][ T903] [ 3642.431111][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3642.431111][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3642.431111][ T903] ipv6_find_idev+0x102/0x170 [ 3642.431111][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3642.431111][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.431111][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.431111][ T903] netlink_unicast+0x449/0x710 [ 3642.431111][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.431111][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.431111][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.431111][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.431111][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.431111][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3642.431111][ T903] [ 3642.432757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3642.432757][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3642.432757][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3642.432757][ T903] ipv6_find_idev+0x102/0x170 [ 3642.432757][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3642.432757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3642.432757][ T903] netlink_rcv_skb+0x130/0x360 [ 3642.432757][ T903] netlink_unicast+0x449/0x710 [ 3642.432757][ T903] netlink_sendmsg+0x723/0xbe0 [ 3642.432757][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3642.432757][ T903] ___sys_sendmsg+0xee/0x170 [ 3642.432757][ T903] __sys_sendmsg+0xcd/0x170 [ 3642.432757][ T903] do_syscall_64+0xc6/0x1e0 [ 3642.432757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3642.432757][ T903] [ 3652.669957][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3652.670623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3652.670623][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3652.670623][ T903] ip6_validate_gw+0x3eb/0x790 [ 3652.670623][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3652.670623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3652.670623][ T903] ip6_route_add+0x1c/0x140 [ 3652.670623][ T903] inet6_rtm_newroute+0x104/0x110 [ 3652.670623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.670623][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.670623][ T903] netlink_unicast+0x449/0x710 [ 3652.670623][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.670623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.670623][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.670623][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.670623][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.670623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3652.670623][ T903] [ 3652.672754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3652.672754][ T903] netdev_get_by_index+0x5e/0x80 [ 3652.672754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3652.672754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3652.672754][ T903] ip6_route_add+0x1c/0x140 [ 3652.672754][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3652.672754][ T903] inet6_addr_add+0x4f8/0xa40 [ 3652.672754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3652.672754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.672754][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.672754][ T903] netlink_unicast+0x449/0x710 [ 3652.672754][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.672754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.672754][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.672754][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.672754][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.672754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3652.672754][ T903] [ 3652.674823][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3652.674823][ T903] netdev_get_by_index+0x5e/0x80 [ 3652.674823][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3652.674823][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3652.674823][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3652.674823][ T903] ipv6_add_addr+0x411/0x2000 [ 3652.674823][ T903] inet6_addr_add+0x30e/0xa40 [ 3652.674823][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3652.674823][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.674823][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.674823][ T903] netlink_unicast+0x449/0x710 [ 3652.674823][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.674823][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.674823][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.674823][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.674823][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.674823][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3652.674823][ T903] [ 3652.677072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3652.677072][ T903] netdev_get_by_index+0x5e/0x80 [ 3652.677072][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3652.677072][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3652.677072][ T903] ip6_route_add+0x1c/0x140 [ 3652.677072][ T903] addrconf_add_mroute+0x129/0x180 [ 3652.677072][ T903] addrconf_add_dev+0xe2/0x170 [ 3652.677072][ T903] inet6_addr_add+0x12f/0xa40 [ 3652.677072][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3652.677072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.677072][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.677072][ T903] netlink_unicast+0x449/0x710 [ 3652.677072][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.677072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.677072][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.677072][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.677072][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.677072][ T903] [ 3652.679221][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3652.679221][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3652.679221][ T903] ipv6_find_idev+0x102/0x170 [ 3652.679221][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3652.679221][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.679221][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.679221][ T903] netlink_unicast+0x449/0x710 [ 3652.679221][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.679221][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.679221][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.679221][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.679221][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.679221][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3652.679221][ T903] [ 3652.680879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3652.680879][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3652.680879][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3652.680879][ T903] ipv6_find_idev+0x102/0x170 [ 3652.680879][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3652.680879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3652.680879][ T903] netlink_rcv_skb+0x130/0x360 [ 3652.680879][ T903] netlink_unicast+0x449/0x710 [ 3652.680879][ T903] netlink_sendmsg+0x723/0xbe0 [ 3652.680879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3652.680879][ T903] ___sys_sendmsg+0xee/0x170 [ 3652.680879][ T903] __sys_sendmsg+0xcd/0x170 [ 3652.680879][ T903] do_syscall_64+0xc6/0x1e0 [ 3652.680879][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3652.680879][ T903] [ 3662.917867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3662.918516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3662.918516][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3662.918516][ T903] ip6_validate_gw+0x3eb/0x790 [ 3662.918516][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3662.918516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3662.918516][ T903] ip6_route_add+0x1c/0x140 [ 3662.918516][ T903] inet6_rtm_newroute+0x104/0x110 [ 3662.918516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.918516][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.918516][ T903] netlink_unicast+0x449/0x710 [ 3662.918516][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.918516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.918516][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.918516][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.918516][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.918516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3662.918516][ T903] [ 3662.920593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3662.920593][ T903] netdev_get_by_index+0x5e/0x80 [ 3662.920593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3662.920593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3662.920593][ T903] ip6_route_add+0x1c/0x140 [ 3662.920593][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3662.920593][ T903] inet6_addr_add+0x4f8/0xa40 [ 3662.920593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3662.920593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.920593][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.920593][ T903] netlink_unicast+0x449/0x710 [ 3662.920593][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.920593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.920593][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.920593][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.920593][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.920593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3662.920593][ T903] [ 3662.922767][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3662.922767][ T903] netdev_get_by_index+0x5e/0x80 [ 3662.922767][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3662.922767][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3662.922767][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3662.922767][ T903] ipv6_add_addr+0x411/0x2000 [ 3662.922767][ T903] inet6_addr_add+0x30e/0xa40 [ 3662.922767][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3662.922767][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.922767][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.922767][ T903] netlink_unicast+0x449/0x710 [ 3662.922767][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.922767][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.922767][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.922767][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.922767][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.922767][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3662.922767][ T903] [ 3662.924930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3662.924930][ T903] netdev_get_by_index+0x5e/0x80 [ 3662.924930][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3662.924930][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3662.924930][ T903] ip6_route_add+0x1c/0x140 [ 3662.924930][ T903] addrconf_add_mroute+0x129/0x180 [ 3662.924930][ T903] addrconf_add_dev+0xe2/0x170 [ 3662.924930][ T903] inet6_addr_add+0x12f/0xa40 [ 3662.924930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3662.924930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.924930][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.924930][ T903] netlink_unicast+0x449/0x710 [ 3662.924930][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.924930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.924930][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.924930][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.924930][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.924930][ T903] [ 3662.927072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3662.927072][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3662.927072][ T903] ipv6_find_idev+0x102/0x170 [ 3662.927072][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3662.927072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.927072][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.927072][ T903] netlink_unicast+0x449/0x710 [ 3662.927072][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.927072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.927072][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.927072][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.927072][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.927072][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3662.927072][ T903] [ 3662.928777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3662.928777][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3662.928777][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3662.928777][ T903] ipv6_find_idev+0x102/0x170 [ 3662.928777][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3662.928777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3662.928777][ T903] netlink_rcv_skb+0x130/0x360 [ 3662.928777][ T903] netlink_unicast+0x449/0x710 [ 3662.928777][ T903] netlink_sendmsg+0x723/0xbe0 [ 3662.928777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3662.928777][ T903] ___sys_sendmsg+0xee/0x170 [ 3662.928777][ T903] __sys_sendmsg+0xcd/0x170 [ 3662.928777][ T903] do_syscall_64+0xc6/0x1e0 [ 3662.928777][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3662.928777][ T903] [ 3673.173879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3673.174569][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3673.174569][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3673.174569][ T903] ip6_validate_gw+0x3eb/0x790 [ 3673.174569][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3673.174569][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3673.174569][ T903] ip6_route_add+0x1c/0x140 [ 3673.174569][ T903] inet6_rtm_newroute+0x104/0x110 [ 3673.174569][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.174569][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.174569][ T903] netlink_unicast+0x449/0x710 [ 3673.174569][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.174569][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.174569][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.174569][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.174569][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.174569][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3673.174569][ T903] [ 3673.176647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3673.176647][ T903] netdev_get_by_index+0x5e/0x80 [ 3673.176647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3673.176647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3673.176647][ T903] ip6_route_add+0x1c/0x140 [ 3673.176647][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3673.176647][ T903] inet6_addr_add+0x4f8/0xa40 [ 3673.176647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3673.176647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.176647][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.176647][ T903] netlink_unicast+0x449/0x710 [ 3673.176647][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.176647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.176647][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.176647][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.176647][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.176647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3673.176647][ T903] [ 3673.179424][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3673.179424][ T903] netdev_get_by_index+0x5e/0x80 [ 3673.179424][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3673.179424][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3673.179424][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3673.179424][ T903] ipv6_add_addr+0x411/0x2000 [ 3673.179424][ T903] inet6_addr_add+0x30e/0xa40 [ 3673.179424][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3673.179424][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.179424][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.179424][ T903] netlink_unicast+0x449/0x710 [ 3673.179424][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.179424][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.179424][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.179424][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.179424][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.179424][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3673.179424][ T903] [ 3673.181531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3673.181531][ T903] netdev_get_by_index+0x5e/0x80 [ 3673.181531][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3673.181531][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3673.181531][ T903] ip6_route_add+0x1c/0x140 [ 3673.181531][ T903] addrconf_add_mroute+0x129/0x180 [ 3673.181531][ T903] addrconf_add_dev+0xe2/0x170 [ 3673.181531][ T903] inet6_addr_add+0x12f/0xa40 [ 3673.181531][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3673.181531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.181531][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.181531][ T903] netlink_unicast+0x449/0x710 [ 3673.181531][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.181531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.181531][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.181531][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.181531][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.181531][ T903] [ 3673.183615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3673.183615][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3673.183615][ T903] ipv6_find_idev+0x102/0x170 [ 3673.183615][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3673.183615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.183615][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.183615][ T903] netlink_unicast+0x449/0x710 [ 3673.183615][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.183615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.183615][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.183615][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.183615][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.183615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3673.183615][ T903] [ 3673.185277][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3673.185277][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3673.185277][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3673.185277][ T903] ipv6_find_idev+0x102/0x170 [ 3673.185277][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3673.185277][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3673.185277][ T903] netlink_rcv_skb+0x130/0x360 [ 3673.185277][ T903] netlink_unicast+0x449/0x710 [ 3673.185277][ T903] netlink_sendmsg+0x723/0xbe0 [ 3673.185277][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3673.185277][ T903] ___sys_sendmsg+0xee/0x170 [ 3673.185277][ T903] __sys_sendmsg+0xcd/0x170 [ 3673.185277][ T903] do_syscall_64+0xc6/0x1e0 [ 3673.185277][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3673.185277][ T903] [ 3683.429795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3683.430296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3683.430296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3683.430296][ T903] ip6_validate_gw+0x3eb/0x790 [ 3683.430296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3683.430296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3683.430296][ T903] ip6_route_add+0x1c/0x140 [ 3683.430296][ T903] inet6_rtm_newroute+0x104/0x110 [ 3683.430296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.430296][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.430296][ T903] netlink_unicast+0x449/0x710 [ 3683.430296][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.430296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.430296][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.430296][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.430296][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.430296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3683.430296][ T903] [ 3683.432400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3683.432400][ T903] netdev_get_by_index+0x5e/0x80 [ 3683.432400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3683.432400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3683.432400][ T903] ip6_route_add+0x1c/0x140 [ 3683.432400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3683.432400][ T903] inet6_addr_add+0x4f8/0xa40 [ 3683.432400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3683.432400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.432400][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.432400][ T903] netlink_unicast+0x449/0x710 [ 3683.432400][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.432400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.432400][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.432400][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.432400][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.432400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3683.432400][ T903] [ 3683.434631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3683.434631][ T903] netdev_get_by_index+0x5e/0x80 [ 3683.434631][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3683.434631][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3683.434631][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3683.434631][ T903] ipv6_add_addr+0x411/0x2000 [ 3683.434631][ T903] inet6_addr_add+0x30e/0xa40 [ 3683.434631][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3683.434631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.434631][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.434631][ T903] netlink_unicast+0x449/0x710 [ 3683.434631][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.434631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.434631][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.434631][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.434631][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.434631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3683.434631][ T903] [ 3683.436866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3683.436866][ T903] netdev_get_by_index+0x5e/0x80 [ 3683.436866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3683.436866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3683.436866][ T903] ip6_route_add+0x1c/0x140 [ 3683.436866][ T903] addrconf_add_mroute+0x129/0x180 [ 3683.436866][ T903] addrconf_add_dev+0xe2/0x170 [ 3683.436866][ T903] inet6_addr_add+0x12f/0xa40 [ 3683.436866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3683.436866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.436866][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.436866][ T903] netlink_unicast+0x449/0x710 [ 3683.436866][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.436866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.436866][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.436866][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.436866][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.436866][ T903] [ 3683.439034][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3683.439034][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3683.439034][ T903] ipv6_find_idev+0x102/0x170 [ 3683.439034][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3683.439034][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.439034][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.439034][ T903] netlink_unicast+0x449/0x710 [ 3683.439034][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.439034][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.439034][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.439034][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.439034][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.439034][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3683.439034][ T903] [ 3683.440728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3683.440728][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3683.440728][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3683.440728][ T903] ipv6_find_idev+0x102/0x170 [ 3683.440728][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3683.440728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3683.440728][ T903] netlink_rcv_skb+0x130/0x360 [ 3683.440728][ T903] netlink_unicast+0x449/0x710 [ 3683.440728][ T903] netlink_sendmsg+0x723/0xbe0 [ 3683.440728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3683.440728][ T903] ___sys_sendmsg+0xee/0x170 [ 3683.440728][ T903] __sys_sendmsg+0xcd/0x170 [ 3683.440728][ T903] do_syscall_64+0xc6/0x1e0 [ 3683.440728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3683.440728][ T903] [ 3693.605886][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3693.606676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3693.606676][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3693.606676][ T903] ip6_validate_gw+0x3eb/0x790 [ 3693.606676][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3693.606676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3693.606676][ T903] ip6_route_add+0x1c/0x140 [ 3693.606676][ T903] inet6_rtm_newroute+0x104/0x110 [ 3693.606676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.606676][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.606676][ T903] netlink_unicast+0x449/0x710 [ 3693.606676][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.606676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.606676][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.606676][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.606676][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.606676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3693.606676][ T903] [ 3693.608740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3693.608740][ T903] netdev_get_by_index+0x5e/0x80 [ 3693.608740][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3693.608740][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3693.608740][ T903] ip6_route_add+0x1c/0x140 [ 3693.608740][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3693.608740][ T903] inet6_addr_add+0x4f8/0xa40 [ 3693.608740][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3693.608740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.608740][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.608740][ T903] netlink_unicast+0x449/0x710 [ 3693.608740][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.608740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.608740][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.608740][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.608740][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.608740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3693.608740][ T903] [ 3693.610888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3693.610888][ T903] netdev_get_by_index+0x5e/0x80 [ 3693.610888][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3693.610888][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3693.610888][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3693.610888][ T903] ipv6_add_addr+0x411/0x2000 [ 3693.610888][ T903] inet6_addr_add+0x30e/0xa40 [ 3693.610888][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3693.610888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.610888][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.610888][ T903] netlink_unicast+0x449/0x710 [ 3693.610888][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.610888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.610888][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.610888][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.610888][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.610888][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3693.610888][ T903] [ 3693.613039][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3693.613039][ T903] netdev_get_by_index+0x5e/0x80 [ 3693.613039][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3693.613039][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3693.613039][ T903] ip6_route_add+0x1c/0x140 [ 3693.613039][ T903] addrconf_add_mroute+0x129/0x180 [ 3693.613039][ T903] addrconf_add_dev+0xe2/0x170 [ 3693.613039][ T903] inet6_addr_add+0x12f/0xa40 [ 3693.613039][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3693.613039][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.613039][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.613039][ T903] netlink_unicast+0x449/0x710 [ 3693.613039][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.613039][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.613039][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.613039][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.613039][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.613039][ T903] [ 3693.615192][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3693.615192][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3693.615192][ T903] ipv6_find_idev+0x102/0x170 [ 3693.615192][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3693.615192][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.615192][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.615192][ T903] netlink_unicast+0x449/0x710 [ 3693.615192][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.615192][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.615192][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.615192][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.615192][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.615192][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3693.615192][ T903] [ 3693.616870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3693.616870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3693.616870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3693.616870][ T903] ipv6_find_idev+0x102/0x170 [ 3693.616870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3693.616870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3693.616870][ T903] netlink_rcv_skb+0x130/0x360 [ 3693.616870][ T903] netlink_unicast+0x449/0x710 [ 3693.616870][ T903] netlink_sendmsg+0x723/0xbe0 [ 3693.616870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3693.616870][ T903] ___sys_sendmsg+0xee/0x170 [ 3693.616870][ T903] __sys_sendmsg+0xcd/0x170 [ 3693.616870][ T903] do_syscall_64+0xc6/0x1e0 [ 3693.616870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3693.616870][ T903] [ 3703.725745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3703.726284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3703.726284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3703.726284][ T903] ip6_validate_gw+0x3eb/0x790 [ 3703.726284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3703.726284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3703.726284][ T903] ip6_route_add+0x1c/0x140 [ 3703.726284][ T903] inet6_rtm_newroute+0x104/0x110 [ 3703.726284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.726284][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.726284][ T903] netlink_unicast+0x449/0x710 [ 3703.726284][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.726284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.726284][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.726284][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.726284][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.726284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3703.726284][ T903] [ 3703.728400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3703.728400][ T903] netdev_get_by_index+0x5e/0x80 [ 3703.728400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3703.728400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3703.728400][ T903] ip6_route_add+0x1c/0x140 [ 3703.728400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3703.728400][ T903] inet6_addr_add+0x4f8/0xa40 [ 3703.728400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3703.728400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.728400][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.728400][ T903] netlink_unicast+0x449/0x710 [ 3703.728400][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.728400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.728400][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.728400][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.728400][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.728400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3703.728400][ T903] [ 3703.730595][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3703.730595][ T903] netdev_get_by_index+0x5e/0x80 [ 3703.730595][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3703.730595][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3703.730595][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3703.730595][ T903] ipv6_add_addr+0x411/0x2000 [ 3703.730595][ T903] inet6_addr_add+0x30e/0xa40 [ 3703.730595][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3703.730595][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.730595][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.730595][ T903] netlink_unicast+0x449/0x710 [ 3703.730595][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.730595][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.730595][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.730595][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.730595][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.730595][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3703.730595][ T903] [ 3703.732814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3703.732814][ T903] netdev_get_by_index+0x5e/0x80 [ 3703.732814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3703.732814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3703.732814][ T903] ip6_route_add+0x1c/0x140 [ 3703.732814][ T903] addrconf_add_mroute+0x129/0x180 [ 3703.732814][ T903] addrconf_add_dev+0xe2/0x170 [ 3703.732814][ T903] inet6_addr_add+0x12f/0xa40 [ 3703.732814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3703.732814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.732814][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.732814][ T903] netlink_unicast+0x449/0x710 [ 3703.732814][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.732814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.732814][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.732814][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.732814][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.732814][ T903] [ 3703.735099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3703.735099][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3703.735099][ T903] ipv6_find_idev+0x102/0x170 [ 3703.735099][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3703.735099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.735099][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.735099][ T903] netlink_unicast+0x449/0x710 [ 3703.735099][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.735099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.735099][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.735099][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.735099][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.735099][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3703.735099][ T903] [ 3703.736911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3703.736911][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3703.736911][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3703.736911][ T903] ipv6_find_idev+0x102/0x170 [ 3703.736911][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3703.736911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3703.736911][ T903] netlink_rcv_skb+0x130/0x360 [ 3703.736911][ T903] netlink_unicast+0x449/0x710 [ 3703.736911][ T903] netlink_sendmsg+0x723/0xbe0 [ 3703.736911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3703.736911][ T903] ___sys_sendmsg+0xee/0x170 [ 3703.736911][ T903] __sys_sendmsg+0xcd/0x170 [ 3703.736911][ T903] do_syscall_64+0xc6/0x1e0 [ 3703.736911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3703.736911][ T903] [ 3713.981807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3713.982325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3713.982325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3713.982325][ T903] ip6_validate_gw+0x3eb/0x790 [ 3713.982325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3713.982325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3713.982325][ T903] ip6_route_add+0x1c/0x140 [ 3713.982325][ T903] inet6_rtm_newroute+0x104/0x110 [ 3713.982325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.982325][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.982325][ T903] netlink_unicast+0x449/0x710 [ 3713.982325][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.982325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.982325][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.982325][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.982325][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.982325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3713.982325][ T903] [ 3713.984427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3713.984427][ T903] netdev_get_by_index+0x5e/0x80 [ 3713.984427][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3713.984427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3713.984427][ T903] ip6_route_add+0x1c/0x140 [ 3713.984427][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3713.984427][ T903] inet6_addr_add+0x4f8/0xa40 [ 3713.984427][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3713.984427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.984427][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.984427][ T903] netlink_unicast+0x449/0x710 [ 3713.984427][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.984427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.984427][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.984427][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.984427][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.984427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3713.984427][ T903] [ 3713.986651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3713.986651][ T903] netdev_get_by_index+0x5e/0x80 [ 3713.986651][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3713.986651][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3713.986651][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3713.986651][ T903] ipv6_add_addr+0x411/0x2000 [ 3713.986651][ T903] inet6_addr_add+0x30e/0xa40 [ 3713.986651][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3713.986651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.986651][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.986651][ T903] netlink_unicast+0x449/0x710 [ 3713.986651][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.986651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.986651][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.986651][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.986651][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.986651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3713.986651][ T903] [ 3713.988854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3713.988854][ T903] netdev_get_by_index+0x5e/0x80 [ 3713.988854][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3713.988854][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3713.988854][ T903] ip6_route_add+0x1c/0x140 [ 3713.988854][ T903] addrconf_add_mroute+0x129/0x180 [ 3713.988854][ T903] addrconf_add_dev+0xe2/0x170 [ 3713.988854][ T903] inet6_addr_add+0x12f/0xa40 [ 3713.988854][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3713.988854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.988854][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.988854][ T903] netlink_unicast+0x449/0x710 [ 3713.988854][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.988854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.988854][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.988854][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.988854][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.988854][ T903] [ 3713.991013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3713.991013][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3713.991013][ T903] ipv6_find_idev+0x102/0x170 [ 3713.991013][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3713.991013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.991013][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.991013][ T903] netlink_unicast+0x449/0x710 [ 3713.991013][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.991013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.991013][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.991013][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.991013][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.991013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3713.991013][ T903] [ 3713.992708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3713.992708][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3713.992708][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3713.992708][ T903] ipv6_find_idev+0x102/0x170 [ 3713.992708][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3713.992708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3713.992708][ T903] netlink_rcv_skb+0x130/0x360 [ 3713.992708][ T903] netlink_unicast+0x449/0x710 [ 3713.992708][ T903] netlink_sendmsg+0x723/0xbe0 [ 3713.992708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3713.992708][ T903] ___sys_sendmsg+0xee/0x170 [ 3713.992708][ T903] __sys_sendmsg+0xcd/0x170 [ 3713.992708][ T903] do_syscall_64+0xc6/0x1e0 [ 3713.992708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3713.992708][ T903] [ 3724.229869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3724.230658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3724.230658][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3724.230658][ T903] ip6_validate_gw+0x3eb/0x790 [ 3724.230658][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3724.230658][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3724.230658][ T903] ip6_route_add+0x1c/0x140 [ 3724.230658][ T903] inet6_rtm_newroute+0x104/0x110 [ 3724.230658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.230658][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.230658][ T903] netlink_unicast+0x449/0x710 [ 3724.230658][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.230658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.230658][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.230658][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.230658][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.230658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3724.230658][ T903] [ 3724.232731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3724.232731][ T903] netdev_get_by_index+0x5e/0x80 [ 3724.232731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3724.232731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3724.232731][ T903] ip6_route_add+0x1c/0x140 [ 3724.232731][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3724.232731][ T903] inet6_addr_add+0x4f8/0xa40 [ 3724.232731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3724.232731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.232731][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.232731][ T903] netlink_unicast+0x449/0x710 [ 3724.232731][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.232731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.232731][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.232731][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.232731][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.232731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3724.232731][ T903] [ 3724.234951][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3724.234951][ T903] netdev_get_by_index+0x5e/0x80 [ 3724.234951][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3724.234951][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3724.234951][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3724.234951][ T903] ipv6_add_addr+0x411/0x2000 [ 3724.234951][ T903] inet6_addr_add+0x30e/0xa40 [ 3724.234951][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3724.234951][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.234951][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.234951][ T903] netlink_unicast+0x449/0x710 [ 3724.234951][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.234951][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.234951][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.234951][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.234951][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.234951][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3724.234951][ T903] [ 3724.237093][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3724.237093][ T903] netdev_get_by_index+0x5e/0x80 [ 3724.237093][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3724.237093][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3724.237093][ T903] ip6_route_add+0x1c/0x140 [ 3724.237093][ T903] addrconf_add_mroute+0x129/0x180 [ 3724.237093][ T903] addrconf_add_dev+0xe2/0x170 [ 3724.237093][ T903] inet6_addr_add+0x12f/0xa40 [ 3724.237093][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3724.237093][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.237093][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.237093][ T903] netlink_unicast+0x449/0x710 [ 3724.237093][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.237093][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.237093][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.237093][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.237093][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.237093][ T903] [ 3724.239353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3724.239353][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3724.239353][ T903] ipv6_find_idev+0x102/0x170 [ 3724.239353][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3724.239353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.239353][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.239353][ T903] netlink_unicast+0x449/0x710 [ 3724.239353][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.239353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.239353][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.239353][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.239353][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.239353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3724.239353][ T903] [ 3724.241000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3724.241000][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3724.241000][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3724.241000][ T903] ipv6_find_idev+0x102/0x170 [ 3724.241000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3724.241000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3724.241000][ T903] netlink_rcv_skb+0x130/0x360 [ 3724.241000][ T903] netlink_unicast+0x449/0x710 [ 3724.241000][ T903] netlink_sendmsg+0x723/0xbe0 [ 3724.241000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3724.241000][ T903] ___sys_sendmsg+0xee/0x170 [ 3724.241000][ T903] __sys_sendmsg+0xcd/0x170 [ 3724.241000][ T903] do_syscall_64+0xc6/0x1e0 [ 3724.241000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3724.241000][ T903] [ 3734.485878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3734.486386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3734.486386][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3734.486386][ T903] ip6_validate_gw+0x3eb/0x790 [ 3734.486386][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3734.486386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3734.486386][ T903] ip6_route_add+0x1c/0x140 [ 3734.486386][ T903] inet6_rtm_newroute+0x104/0x110 [ 3734.486386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.486386][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.486386][ T903] netlink_unicast+0x449/0x710 [ 3734.486386][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.486386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.486386][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.486386][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.486386][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.486386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3734.486386][ T903] [ 3734.488484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3734.488484][ T903] netdev_get_by_index+0x5e/0x80 [ 3734.488484][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3734.488484][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3734.488484][ T903] ip6_route_add+0x1c/0x140 [ 3734.488484][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3734.488484][ T903] inet6_addr_add+0x4f8/0xa40 [ 3734.488484][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3734.488484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.488484][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.488484][ T903] netlink_unicast+0x449/0x710 [ 3734.488484][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.488484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.488484][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.488484][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.488484][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.488484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3734.488484][ T903] [ 3734.490796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3734.490796][ T903] netdev_get_by_index+0x5e/0x80 [ 3734.490796][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3734.490796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3734.490796][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3734.490796][ T903] ipv6_add_addr+0x411/0x2000 [ 3734.490796][ T903] inet6_addr_add+0x30e/0xa40 [ 3734.490796][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3734.490796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.490796][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.490796][ T903] netlink_unicast+0x449/0x710 [ 3734.490796][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.490796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.490796][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.490796][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.490796][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.490796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3734.490796][ T903] [ 3734.492998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3734.492998][ T903] netdev_get_by_index+0x5e/0x80 [ 3734.492998][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3734.492998][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3734.492998][ T903] ip6_route_add+0x1c/0x140 [ 3734.492998][ T903] addrconf_add_mroute+0x129/0x180 [ 3734.492998][ T903] addrconf_add_dev+0xe2/0x170 [ 3734.492998][ T903] inet6_addr_add+0x12f/0xa40 [ 3734.492998][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3734.492998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.492998][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.492998][ T903] netlink_unicast+0x449/0x710 [ 3734.492998][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.492998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.492998][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.492998][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.492998][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.492998][ T903] [ 3734.495169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3734.495169][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3734.495169][ T903] ipv6_find_idev+0x102/0x170 [ 3734.495169][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3734.495169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.495169][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.495169][ T903] netlink_unicast+0x449/0x710 [ 3734.495169][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.495169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.495169][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.495169][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.495169][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.495169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3734.495169][ T903] [ 3734.496860][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3734.496860][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3734.496860][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3734.496860][ T903] ipv6_find_idev+0x102/0x170 [ 3734.496860][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3734.496860][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3734.496860][ T903] netlink_rcv_skb+0x130/0x360 [ 3734.496860][ T903] netlink_unicast+0x449/0x710 [ 3734.496860][ T903] netlink_sendmsg+0x723/0xbe0 [ 3734.496860][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3734.496860][ T903] ___sys_sendmsg+0xee/0x170 [ 3734.496860][ T903] __sys_sendmsg+0xcd/0x170 [ 3734.496860][ T903] do_syscall_64+0xc6/0x1e0 [ 3734.496860][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3734.496860][ T903] [ 3744.741759][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3744.742276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3744.742276][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3744.742276][ T903] ip6_validate_gw+0x3eb/0x790 [ 3744.742276][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3744.742276][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3744.742276][ T903] ip6_route_add+0x1c/0x140 [ 3744.742276][ T903] inet6_rtm_newroute+0x104/0x110 [ 3744.742276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.742276][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.742276][ T903] netlink_unicast+0x449/0x710 [ 3744.742276][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.742276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.742276][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.742276][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.742276][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.742276][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3744.742276][ T903] [ 3744.744362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3744.744362][ T903] netdev_get_by_index+0x5e/0x80 [ 3744.744362][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3744.744362][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3744.744362][ T903] ip6_route_add+0x1c/0x140 [ 3744.744362][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3744.744362][ T903] inet6_addr_add+0x4f8/0xa40 [ 3744.744362][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3744.744362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.744362][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.744362][ T903] netlink_unicast+0x449/0x710 [ 3744.744362][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.744362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.744362][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.744362][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.744362][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.744362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3744.744362][ T903] [ 3744.746564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3744.746564][ T903] netdev_get_by_index+0x5e/0x80 [ 3744.746564][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3744.746564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3744.746564][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3744.746564][ T903] ipv6_add_addr+0x411/0x2000 [ 3744.746564][ T903] inet6_addr_add+0x30e/0xa40 [ 3744.746564][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3744.746564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.746564][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.746564][ T903] netlink_unicast+0x449/0x710 [ 3744.746564][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.746564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.746564][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.746564][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.746564][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.746564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3744.746564][ T903] [ 3744.748752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3744.748752][ T903] netdev_get_by_index+0x5e/0x80 [ 3744.748752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3744.748752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3744.748752][ T903] ip6_route_add+0x1c/0x140 [ 3744.748752][ T903] addrconf_add_mroute+0x129/0x180 [ 3744.748752][ T903] addrconf_add_dev+0xe2/0x170 [ 3744.748752][ T903] inet6_addr_add+0x12f/0xa40 [ 3744.748752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3744.748752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.748752][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.748752][ T903] netlink_unicast+0x449/0x710 [ 3744.748752][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.748752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.748752][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.748752][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.748752][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.748752][ T903] [ 3744.750910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3744.750910][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3744.750910][ T903] ipv6_find_idev+0x102/0x170 [ 3744.750910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3744.750910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.750910][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.750910][ T903] netlink_unicast+0x449/0x710 [ 3744.750910][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.750910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.750910][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.750910][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.750910][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.750910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3744.750910][ T903] [ 3744.752598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3744.752598][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3744.752598][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3744.752598][ T903] ipv6_find_idev+0x102/0x170 [ 3744.752598][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3744.752598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3744.752598][ T903] netlink_rcv_skb+0x130/0x360 [ 3744.752598][ T903] netlink_unicast+0x449/0x710 [ 3744.752598][ T903] netlink_sendmsg+0x723/0xbe0 [ 3744.752598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3744.752598][ T903] ___sys_sendmsg+0xee/0x170 [ 3744.752598][ T903] __sys_sendmsg+0xcd/0x170 [ 3744.752598][ T903] do_syscall_64+0xc6/0x1e0 [ 3744.752598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3744.752598][ T903] [ 3754.981800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3754.982293][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3754.982293][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3754.982293][ T903] ip6_validate_gw+0x3eb/0x790 [ 3754.982293][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3754.982293][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3754.982293][ T903] ip6_route_add+0x1c/0x140 [ 3754.982293][ T903] inet6_rtm_newroute+0x104/0x110 [ 3754.982293][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.982293][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.982293][ T903] netlink_unicast+0x449/0x710 [ 3754.982293][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.982293][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.982293][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.982293][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.982293][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.982293][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3754.982293][ T903] [ 3754.984394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3754.984394][ T903] netdev_get_by_index+0x5e/0x80 [ 3754.984394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3754.984394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3754.984394][ T903] ip6_route_add+0x1c/0x140 [ 3754.984394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3754.984394][ T903] inet6_addr_add+0x4f8/0xa40 [ 3754.984394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3754.984394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.984394][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.984394][ T903] netlink_unicast+0x449/0x710 [ 3754.984394][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.984394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.984394][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.984394][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.984394][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.984394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3754.984394][ T903] [ 3754.986603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3754.986603][ T903] netdev_get_by_index+0x5e/0x80 [ 3754.986603][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3754.986603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3754.986603][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3754.986603][ T903] ipv6_add_addr+0x411/0x2000 [ 3754.986603][ T903] inet6_addr_add+0x30e/0xa40 [ 3754.986603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3754.986603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.986603][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.986603][ T903] netlink_unicast+0x449/0x710 [ 3754.986603][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.986603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.986603][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.986603][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.986603][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.986603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3754.986603][ T903] [ 3754.988800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3754.988800][ T903] netdev_get_by_index+0x5e/0x80 [ 3754.988800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3754.988800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3754.988800][ T903] ip6_route_add+0x1c/0x140 [ 3754.988800][ T903] addrconf_add_mroute+0x129/0x180 [ 3754.988800][ T903] addrconf_add_dev+0xe2/0x170 [ 3754.988800][ T903] inet6_addr_add+0x12f/0xa40 [ 3754.988800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3754.988800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.988800][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.988800][ T903] netlink_unicast+0x449/0x710 [ 3754.988800][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.988800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.988800][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.988800][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.988800][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.988800][ T903] [ 3754.990972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3754.990972][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3754.990972][ T903] ipv6_find_idev+0x102/0x170 [ 3754.990972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3754.990972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.990972][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.990972][ T903] netlink_unicast+0x449/0x710 [ 3754.990972][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.990972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.990972][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.990972][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.990972][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.990972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3754.990972][ T903] [ 3754.992667][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3754.992667][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3754.992667][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3754.992667][ T903] ipv6_find_idev+0x102/0x170 [ 3754.992667][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3754.992667][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3754.992667][ T903] netlink_rcv_skb+0x130/0x360 [ 3754.992667][ T903] netlink_unicast+0x449/0x710 [ 3754.992667][ T903] netlink_sendmsg+0x723/0xbe0 [ 3754.992667][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3754.992667][ T903] ___sys_sendmsg+0xee/0x170 [ 3754.992667][ T903] __sys_sendmsg+0xcd/0x170 [ 3754.992667][ T903] do_syscall_64+0xc6/0x1e0 [ 3754.992667][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3754.992667][ T903] [ 3765.229842][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3765.230345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3765.230345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3765.230345][ T903] ip6_validate_gw+0x3eb/0x790 [ 3765.230345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3765.230345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3765.230345][ T903] ip6_route_add+0x1c/0x140 [ 3765.230345][ T903] inet6_rtm_newroute+0x104/0x110 [ 3765.230345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.230345][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.230345][ T903] netlink_unicast+0x449/0x710 [ 3765.230345][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.230345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.230345][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.230345][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.230345][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.230345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3765.230345][ T903] [ 3765.232577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3765.232577][ T903] netdev_get_by_index+0x5e/0x80 [ 3765.232577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3765.232577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3765.232577][ T903] ip6_route_add+0x1c/0x140 [ 3765.232577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3765.232577][ T903] inet6_addr_add+0x4f8/0xa40 [ 3765.232577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3765.232577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.232577][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.232577][ T903] netlink_unicast+0x449/0x710 [ 3765.232577][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.232577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.232577][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.232577][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.232577][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.232577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3765.232577][ T903] [ 3765.234797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3765.234797][ T903] netdev_get_by_index+0x5e/0x80 [ 3765.234797][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3765.234797][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3765.234797][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3765.234797][ T903] ipv6_add_addr+0x411/0x2000 [ 3765.234797][ T903] inet6_addr_add+0x30e/0xa40 [ 3765.234797][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3765.234797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.234797][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.234797][ T903] netlink_unicast+0x449/0x710 [ 3765.234797][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.234797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.234797][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.234797][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.234797][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.234797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3765.234797][ T903] [ 3765.237014][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3765.237014][ T903] netdev_get_by_index+0x5e/0x80 [ 3765.237014][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3765.237014][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3765.237014][ T903] ip6_route_add+0x1c/0x140 [ 3765.237014][ T903] addrconf_add_mroute+0x129/0x180 [ 3765.237014][ T903] addrconf_add_dev+0xe2/0x170 [ 3765.237014][ T903] inet6_addr_add+0x12f/0xa40 [ 3765.237014][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3765.237014][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.237014][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.237014][ T903] netlink_unicast+0x449/0x710 [ 3765.237014][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.237014][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.237014][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.237014][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.237014][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.237014][ T903] [ 3765.239195][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3765.239195][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3765.239195][ T903] ipv6_find_idev+0x102/0x170 [ 3765.239195][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3765.239195][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.239195][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.239195][ T903] netlink_unicast+0x449/0x710 [ 3765.239195][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.239195][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.239195][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.239195][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.239195][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.239195][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3765.239195][ T903] [ 3765.240900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3765.240900][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3765.240900][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3765.240900][ T903] ipv6_find_idev+0x102/0x170 [ 3765.240900][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3765.240900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3765.240900][ T903] netlink_rcv_skb+0x130/0x360 [ 3765.240900][ T903] netlink_unicast+0x449/0x710 [ 3765.240900][ T903] netlink_sendmsg+0x723/0xbe0 [ 3765.240900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3765.240900][ T903] ___sys_sendmsg+0xee/0x170 [ 3765.240900][ T903] __sys_sendmsg+0xcd/0x170 [ 3765.240900][ T903] do_syscall_64+0xc6/0x1e0 [ 3765.240900][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3765.240900][ T903] [ 3775.485832][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3775.486347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3775.486347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3775.486347][ T903] ip6_validate_gw+0x3eb/0x790 [ 3775.486347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3775.486347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3775.486347][ T903] ip6_route_add+0x1c/0x140 [ 3775.486347][ T903] inet6_rtm_newroute+0x104/0x110 [ 3775.486347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.486347][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.486347][ T903] netlink_unicast+0x449/0x710 [ 3775.486347][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.486347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.486347][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.486347][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.486347][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.486347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3775.486347][ T903] [ 3775.488380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3775.488380][ T903] netdev_get_by_index+0x5e/0x80 [ 3775.488380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3775.488380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3775.488380][ T903] ip6_route_add+0x1c/0x140 [ 3775.488380][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3775.488380][ T903] inet6_addr_add+0x4f8/0xa40 [ 3775.488380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3775.488380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.488380][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.488380][ T903] netlink_unicast+0x449/0x710 [ 3775.488380][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.488380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.488380][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.488380][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.488380][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.488380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3775.488380][ T903] [ 3775.490577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3775.490577][ T903] netdev_get_by_index+0x5e/0x80 [ 3775.490577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3775.490577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3775.490577][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3775.490577][ T903] ipv6_add_addr+0x411/0x2000 [ 3775.490577][ T903] inet6_addr_add+0x30e/0xa40 [ 3775.490577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3775.490577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.490577][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.490577][ T903] netlink_unicast+0x449/0x710 [ 3775.490577][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.490577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.490577][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.490577][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.490577][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.490577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3775.490577][ T903] [ 3775.492768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3775.492768][ T903] netdev_get_by_index+0x5e/0x80 [ 3775.492768][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3775.492768][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3775.492768][ T903] ip6_route_add+0x1c/0x140 [ 3775.492768][ T903] addrconf_add_mroute+0x129/0x180 [ 3775.492768][ T903] addrconf_add_dev+0xe2/0x170 [ 3775.492768][ T903] inet6_addr_add+0x12f/0xa40 [ 3775.492768][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3775.492768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.492768][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.492768][ T903] netlink_unicast+0x449/0x710 [ 3775.492768][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.492768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.492768][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.492768][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.492768][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.492768][ T903] [ 3775.494889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3775.494889][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3775.494889][ T903] ipv6_find_idev+0x102/0x170 [ 3775.494889][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3775.494889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.494889][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.494889][ T903] netlink_unicast+0x449/0x710 [ 3775.494889][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.494889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.494889][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.494889][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.494889][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.494889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3775.494889][ T903] [ 3775.496536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3775.496536][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3775.496536][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3775.496536][ T903] ipv6_find_idev+0x102/0x170 [ 3775.496536][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3775.496536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3775.496536][ T903] netlink_rcv_skb+0x130/0x360 [ 3775.496536][ T903] netlink_unicast+0x449/0x710 [ 3775.496536][ T903] netlink_sendmsg+0x723/0xbe0 [ 3775.496536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3775.496536][ T903] ___sys_sendmsg+0xee/0x170 [ 3775.496536][ T903] __sys_sendmsg+0xcd/0x170 [ 3775.496536][ T903] do_syscall_64+0xc6/0x1e0 [ 3775.496536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3775.496536][ T903] [ 3785.733828][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3785.734357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3785.734357][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3785.734357][ T903] ip6_validate_gw+0x3eb/0x790 [ 3785.734357][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3785.734357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3785.734357][ T903] ip6_route_add+0x1c/0x140 [ 3785.734357][ T903] inet6_rtm_newroute+0x104/0x110 [ 3785.734357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.734357][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.734357][ T903] netlink_unicast+0x449/0x710 [ 3785.734357][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.734357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.734357][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.734357][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.734357][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.734357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3785.734357][ T903] [ 3785.736477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3785.736477][ T903] netdev_get_by_index+0x5e/0x80 [ 3785.736477][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3785.736477][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3785.736477][ T903] ip6_route_add+0x1c/0x140 [ 3785.736477][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3785.736477][ T903] inet6_addr_add+0x4f8/0xa40 [ 3785.736477][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3785.736477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.736477][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.736477][ T903] netlink_unicast+0x449/0x710 [ 3785.736477][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.736477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.736477][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.736477][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.736477][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.736477][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3785.736477][ T903] [ 3785.738617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3785.738617][ T903] netdev_get_by_index+0x5e/0x80 [ 3785.738617][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3785.738617][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3785.738617][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3785.738617][ T903] ipv6_add_addr+0x411/0x2000 [ 3785.738617][ T903] inet6_addr_add+0x30e/0xa40 [ 3785.738617][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3785.738617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.738617][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.738617][ T903] netlink_unicast+0x449/0x710 [ 3785.738617][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.738617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.738617][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.738617][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.738617][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.738617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3785.738617][ T903] [ 3785.740759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3785.740759][ T903] netdev_get_by_index+0x5e/0x80 [ 3785.740759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3785.740759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3785.740759][ T903] ip6_route_add+0x1c/0x140 [ 3785.740759][ T903] addrconf_add_mroute+0x129/0x180 [ 3785.740759][ T903] addrconf_add_dev+0xe2/0x170 [ 3785.740759][ T903] inet6_addr_add+0x12f/0xa40 [ 3785.740759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3785.740759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.740759][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.740759][ T903] netlink_unicast+0x449/0x710 [ 3785.740759][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.740759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.740759][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.740759][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.740759][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.740759][ T903] [ 3785.742906][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3785.742906][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3785.742906][ T903] ipv6_find_idev+0x102/0x170 [ 3785.742906][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3785.742906][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.742906][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.742906][ T903] netlink_unicast+0x449/0x710 [ 3785.742906][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.742906][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.742906][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.742906][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.742906][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.742906][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3785.742906][ T903] [ 3785.744571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3785.744571][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3785.744571][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3785.744571][ T903] ipv6_find_idev+0x102/0x170 [ 3785.744571][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3785.744571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3785.744571][ T903] netlink_rcv_skb+0x130/0x360 [ 3785.744571][ T903] netlink_unicast+0x449/0x710 [ 3785.744571][ T903] netlink_sendmsg+0x723/0xbe0 [ 3785.744571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3785.744571][ T903] ___sys_sendmsg+0xee/0x170 [ 3785.744571][ T903] __sys_sendmsg+0xcd/0x170 [ 3785.744571][ T903] do_syscall_64+0xc6/0x1e0 [ 3785.744571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3785.744571][ T903] [ 3795.981803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3795.982258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3795.982258][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3795.982258][ T903] ip6_validate_gw+0x3eb/0x790 [ 3795.982258][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3795.982258][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3795.982258][ T903] ip6_route_add+0x1c/0x140 [ 3795.982258][ T903] inet6_rtm_newroute+0x104/0x110 [ 3795.982258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.982258][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.982258][ T903] netlink_unicast+0x449/0x710 [ 3795.982258][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.982258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.982258][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.982258][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.982258][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.982258][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3795.982258][ T903] [ 3795.984334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3795.984334][ T903] netdev_get_by_index+0x5e/0x80 [ 3795.984334][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3795.984334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3795.984334][ T903] ip6_route_add+0x1c/0x140 [ 3795.984334][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3795.984334][ T903] inet6_addr_add+0x4f8/0xa40 [ 3795.984334][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3795.984334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.984334][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.984334][ T903] netlink_unicast+0x449/0x710 [ 3795.984334][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.984334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.984334][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.984334][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.984334][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.984334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3795.984334][ T903] [ 3795.986510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3795.986510][ T903] netdev_get_by_index+0x5e/0x80 [ 3795.986510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3795.986510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3795.986510][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3795.986510][ T903] ipv6_add_addr+0x411/0x2000 [ 3795.986510][ T903] inet6_addr_add+0x30e/0xa40 [ 3795.986510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3795.986510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.986510][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.986510][ T903] netlink_unicast+0x449/0x710 [ 3795.986510][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.986510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.986510][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.986510][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.986510][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.986510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3795.986510][ T903] [ 3795.988689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3795.988689][ T903] netdev_get_by_index+0x5e/0x80 [ 3795.988689][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3795.988689][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3795.988689][ T903] ip6_route_add+0x1c/0x140 [ 3795.988689][ T903] addrconf_add_mroute+0x129/0x180 [ 3795.988689][ T903] addrconf_add_dev+0xe2/0x170 [ 3795.988689][ T903] inet6_addr_add+0x12f/0xa40 [ 3795.988689][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3795.988689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.988689][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.988689][ T903] netlink_unicast+0x449/0x710 [ 3795.988689][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.988689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.988689][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.988689][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.988689][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.988689][ T903] [ 3795.990792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3795.990792][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3795.990792][ T903] ipv6_find_idev+0x102/0x170 [ 3795.990792][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3795.990792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.990792][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.990792][ T903] netlink_unicast+0x449/0x710 [ 3795.990792][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.990792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.990792][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.990792][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.990792][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.990792][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3795.990792][ T903] [ 3795.992434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3795.992434][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3795.992434][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3795.992434][ T903] ipv6_find_idev+0x102/0x170 [ 3795.992434][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3795.992434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3795.992434][ T903] netlink_rcv_skb+0x130/0x360 [ 3795.992434][ T903] netlink_unicast+0x449/0x710 [ 3795.992434][ T903] netlink_sendmsg+0x723/0xbe0 [ 3795.992434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3795.992434][ T903] ___sys_sendmsg+0xee/0x170 [ 3795.992434][ T903] __sys_sendmsg+0xcd/0x170 [ 3795.992434][ T903] do_syscall_64+0xc6/0x1e0 [ 3795.992434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3795.992434][ T903] [ 3806.229870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3806.230673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3806.230673][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3806.230673][ T903] ip6_validate_gw+0x3eb/0x790 [ 3806.230673][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3806.230673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3806.230673][ T903] ip6_route_add+0x1c/0x140 [ 3806.230673][ T903] inet6_rtm_newroute+0x104/0x110 [ 3806.230673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.230673][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.230673][ T903] netlink_unicast+0x449/0x710 [ 3806.230673][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.230673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.230673][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.230673][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.230673][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.230673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3806.230673][ T903] [ 3806.232751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3806.232751][ T903] netdev_get_by_index+0x5e/0x80 [ 3806.232751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3806.232751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3806.232751][ T903] ip6_route_add+0x1c/0x140 [ 3806.232751][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3806.232751][ T903] inet6_addr_add+0x4f8/0xa40 [ 3806.232751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3806.232751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.232751][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.232751][ T903] netlink_unicast+0x449/0x710 [ 3806.232751][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.232751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.232751][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.232751][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.232751][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.232751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3806.232751][ T903] [ 3806.234911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3806.234911][ T903] netdev_get_by_index+0x5e/0x80 [ 3806.234911][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3806.234911][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3806.234911][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3806.234911][ T903] ipv6_add_addr+0x411/0x2000 [ 3806.234911][ T903] inet6_addr_add+0x30e/0xa40 [ 3806.234911][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3806.234911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.234911][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.234911][ T903] netlink_unicast+0x449/0x710 [ 3806.234911][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.234911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.234911][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.234911][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.234911][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.234911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3806.234911][ T903] [ 3806.237043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3806.237043][ T903] netdev_get_by_index+0x5e/0x80 [ 3806.237043][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3806.237043][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3806.237043][ T903] ip6_route_add+0x1c/0x140 [ 3806.237043][ T903] addrconf_add_mroute+0x129/0x180 [ 3806.237043][ T903] addrconf_add_dev+0xe2/0x170 [ 3806.237043][ T903] inet6_addr_add+0x12f/0xa40 [ 3806.237043][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3806.237043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.237043][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.237043][ T903] netlink_unicast+0x449/0x710 [ 3806.237043][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.237043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.237043][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.237043][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.237043][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.237043][ T903] [ 3806.239212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3806.239212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3806.239212][ T903] ipv6_find_idev+0x102/0x170 [ 3806.239212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3806.239212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.239212][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.239212][ T903] netlink_unicast+0x449/0x710 [ 3806.239212][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.239212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.239212][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.239212][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.239212][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.239212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3806.239212][ T903] [ 3806.240883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3806.240883][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3806.240883][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3806.240883][ T903] ipv6_find_idev+0x102/0x170 [ 3806.240883][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3806.240883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3806.240883][ T903] netlink_rcv_skb+0x130/0x360 [ 3806.240883][ T903] netlink_unicast+0x449/0x710 [ 3806.240883][ T903] netlink_sendmsg+0x723/0xbe0 [ 3806.240883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3806.240883][ T903] ___sys_sendmsg+0xee/0x170 [ 3806.240883][ T903] __sys_sendmsg+0xcd/0x170 [ 3806.240883][ T903] do_syscall_64+0xc6/0x1e0 [ 3806.240883][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3806.240883][ T903] [ 3816.445823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3816.446302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3816.446302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3816.446302][ T903] ip6_validate_gw+0x3eb/0x790 [ 3816.446302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3816.446302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3816.446302][ T903] ip6_route_add+0x1c/0x140 [ 3816.446302][ T903] inet6_rtm_newroute+0x104/0x110 [ 3816.446302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.446302][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.446302][ T903] netlink_unicast+0x449/0x710 [ 3816.446302][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.446302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.446302][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.446302][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.446302][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.446302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3816.446302][ T903] [ 3816.448394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3816.448394][ T903] netdev_get_by_index+0x5e/0x80 [ 3816.448394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3816.448394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3816.448394][ T903] ip6_route_add+0x1c/0x140 [ 3816.448394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3816.448394][ T903] inet6_addr_add+0x4f8/0xa40 [ 3816.448394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3816.448394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.448394][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.448394][ T903] netlink_unicast+0x449/0x710 [ 3816.448394][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.448394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.448394][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.448394][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.448394][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.448394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3816.448394][ T903] [ 3816.450595][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3816.450595][ T903] netdev_get_by_index+0x5e/0x80 [ 3816.450595][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3816.450595][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3816.450595][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3816.450595][ T903] ipv6_add_addr+0x411/0x2000 [ 3816.450595][ T903] inet6_addr_add+0x30e/0xa40 [ 3816.450595][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3816.450595][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.450595][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.450595][ T903] netlink_unicast+0x449/0x710 [ 3816.450595][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.450595][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.450595][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.450595][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.450595][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.450595][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3816.450595][ T903] [ 3816.452791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3816.452791][ T903] netdev_get_by_index+0x5e/0x80 [ 3816.452791][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3816.452791][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3816.452791][ T903] ip6_route_add+0x1c/0x140 [ 3816.452791][ T903] addrconf_add_mroute+0x129/0x180 [ 3816.452791][ T903] addrconf_add_dev+0xe2/0x170 [ 3816.452791][ T903] inet6_addr_add+0x12f/0xa40 [ 3816.452791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3816.452791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.452791][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.452791][ T903] netlink_unicast+0x449/0x710 [ 3816.452791][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.452791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.452791][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.452791][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.452791][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.452791][ T903] [ 3816.454968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3816.454968][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3816.454968][ T903] ipv6_find_idev+0x102/0x170 [ 3816.454968][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3816.454968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.454968][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.454968][ T903] netlink_unicast+0x449/0x710 [ 3816.454968][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.454968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.454968][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.454968][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.454968][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.454968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3816.454968][ T903] [ 3816.456657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3816.456657][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3816.456657][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3816.456657][ T903] ipv6_find_idev+0x102/0x170 [ 3816.456657][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3816.456657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3816.456657][ T903] netlink_rcv_skb+0x130/0x360 [ 3816.456657][ T903] netlink_unicast+0x449/0x710 [ 3816.456657][ T903] netlink_sendmsg+0x723/0xbe0 [ 3816.456657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3816.456657][ T903] ___sys_sendmsg+0xee/0x170 [ 3816.456657][ T903] __sys_sendmsg+0xcd/0x170 [ 3816.456657][ T903] do_syscall_64+0xc6/0x1e0 [ 3816.456657][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3816.456657][ T903] [ 3826.517811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3826.518313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3826.518313][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3826.518313][ T903] ip6_validate_gw+0x3eb/0x790 [ 3826.518313][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3826.518313][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3826.518313][ T903] ip6_route_add+0x1c/0x140 [ 3826.518313][ T903] inet6_rtm_newroute+0x104/0x110 [ 3826.518313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.518313][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.518313][ T903] netlink_unicast+0x449/0x710 [ 3826.518313][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.518313][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.518313][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.518313][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.518313][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.518313][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3826.518313][ T903] [ 3826.520418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3826.520418][ T903] netdev_get_by_index+0x5e/0x80 [ 3826.520418][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3826.520418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3826.520418][ T903] ip6_route_add+0x1c/0x140 [ 3826.520418][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3826.520418][ T903] inet6_addr_add+0x4f8/0xa40 [ 3826.520418][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3826.520418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.520418][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.520418][ T903] netlink_unicast+0x449/0x710 [ 3826.520418][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.520418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.520418][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.520418][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.520418][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.520418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3826.520418][ T903] [ 3826.522621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3826.522621][ T903] netdev_get_by_index+0x5e/0x80 [ 3826.522621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3826.522621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3826.522621][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3826.522621][ T903] ipv6_add_addr+0x411/0x2000 [ 3826.522621][ T903] inet6_addr_add+0x30e/0xa40 [ 3826.522621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3826.522621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.522621][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.522621][ T903] netlink_unicast+0x449/0x710 [ 3826.522621][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.522621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.522621][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.522621][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.522621][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.522621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3826.522621][ T903] [ 3826.524827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3826.524827][ T903] netdev_get_by_index+0x5e/0x80 [ 3826.524827][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3826.524827][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3826.524827][ T903] ip6_route_add+0x1c/0x140 [ 3826.524827][ T903] addrconf_add_mroute+0x129/0x180 [ 3826.524827][ T903] addrconf_add_dev+0xe2/0x170 [ 3826.524827][ T903] inet6_addr_add+0x12f/0xa40 [ 3826.524827][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3826.524827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.524827][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.524827][ T903] netlink_unicast+0x449/0x710 [ 3826.524827][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.524827][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.524827][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.524827][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.524827][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.524827][ T903] [ 3826.526998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3826.526998][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3826.526998][ T903] ipv6_find_idev+0x102/0x170 [ 3826.526998][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3826.526998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.526998][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.526998][ T903] netlink_unicast+0x449/0x710 [ 3826.526998][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.526998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.526998][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.526998][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.526998][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.526998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3826.526998][ T903] [ 3826.528686][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3826.528686][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3826.528686][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3826.528686][ T903] ipv6_find_idev+0x102/0x170 [ 3826.528686][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3826.528686][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3826.528686][ T903] netlink_rcv_skb+0x130/0x360 [ 3826.528686][ T903] netlink_unicast+0x449/0x710 [ 3826.528686][ T903] netlink_sendmsg+0x723/0xbe0 [ 3826.528686][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3826.528686][ T903] ___sys_sendmsg+0xee/0x170 [ 3826.528686][ T903] __sys_sendmsg+0xcd/0x170 [ 3826.528686][ T903] do_syscall_64+0xc6/0x1e0 [ 3826.528686][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3826.528686][ T903] [ 3836.781767][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3836.782482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3836.782482][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3836.782482][ T903] ip6_validate_gw+0x3eb/0x790 [ 3836.782482][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3836.782482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3836.782482][ T903] ip6_route_add+0x1c/0x140 [ 3836.782482][ T903] inet6_rtm_newroute+0x104/0x110 [ 3836.782482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.782482][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.782482][ T903] netlink_unicast+0x449/0x710 [ 3836.782482][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.782482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.782482][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.782482][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.782482][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.782482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3836.782482][ T903] [ 3836.785872][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3836.785872][ T903] netdev_get_by_index+0x5e/0x80 [ 3836.785872][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3836.785872][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3836.785872][ T903] ip6_route_add+0x1c/0x140 [ 3836.785872][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3836.785872][ T903] inet6_addr_add+0x4f8/0xa40 [ 3836.785872][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3836.785872][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.785872][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.785872][ T903] netlink_unicast+0x449/0x710 [ 3836.785872][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.785872][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.785872][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.785872][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.785872][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.785872][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3836.785872][ T903] [ 3836.789441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3836.789441][ T903] netdev_get_by_index+0x5e/0x80 [ 3836.789441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3836.789441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3836.789441][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3836.789441][ T903] ipv6_add_addr+0x411/0x2000 [ 3836.789441][ T903] inet6_addr_add+0x30e/0xa40 [ 3836.789441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3836.789441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.789441][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.789441][ T903] netlink_unicast+0x449/0x710 [ 3836.789441][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.789441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.789441][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.789441][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.789441][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.789441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3836.789441][ T903] [ 3836.793009][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3836.793009][ T903] netdev_get_by_index+0x5e/0x80 [ 3836.793009][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3836.793009][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3836.793009][ T903] ip6_route_add+0x1c/0x140 [ 3836.793009][ T903] addrconf_add_mroute+0x129/0x180 [ 3836.793009][ T903] addrconf_add_dev+0xe2/0x170 [ 3836.793009][ T903] inet6_addr_add+0x12f/0xa40 [ 3836.793009][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3836.793009][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.793009][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.793009][ T903] netlink_unicast+0x449/0x710 [ 3836.793009][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.793009][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.793009][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.793009][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.793009][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.793009][ T903] [ 3836.796539][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3836.796539][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3836.796539][ T903] ipv6_find_idev+0x102/0x170 [ 3836.796539][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3836.796539][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.796539][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.796539][ T903] netlink_unicast+0x449/0x710 [ 3836.796539][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.796539][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.796539][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.796539][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.796539][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.796539][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3836.796539][ T903] [ 3836.799283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3836.799283][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3836.799283][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3836.799283][ T903] ipv6_find_idev+0x102/0x170 [ 3836.799283][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3836.799283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3836.799283][ T903] netlink_rcv_skb+0x130/0x360 [ 3836.799283][ T903] netlink_unicast+0x449/0x710 [ 3836.799283][ T903] netlink_sendmsg+0x723/0xbe0 [ 3836.799283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3836.799283][ T903] ___sys_sendmsg+0xee/0x170 [ 3836.799283][ T903] __sys_sendmsg+0xcd/0x170 [ 3836.799283][ T903] do_syscall_64+0xc6/0x1e0 [ 3836.799283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3836.799283][ T903] [ 3846.997900][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3846.998579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3846.998579][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3846.998579][ T903] ip6_validate_gw+0x3eb/0x790 [ 3846.998579][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3846.998579][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3846.998579][ T903] ip6_route_add+0x1c/0x140 [ 3846.998579][ T903] inet6_rtm_newroute+0x104/0x110 [ 3846.998579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3846.998579][ T903] netlink_rcv_skb+0x130/0x360 [ 3846.998579][ T903] netlink_unicast+0x449/0x710 [ 3846.998579][ T903] netlink_sendmsg+0x723/0xbe0 [ 3846.998579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3846.998579][ T903] ___sys_sendmsg+0xee/0x170 [ 3846.998579][ T903] __sys_sendmsg+0xcd/0x170 [ 3846.998579][ T903] do_syscall_64+0xc6/0x1e0 [ 3846.998579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3846.998579][ T903] [ 3847.000606][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3847.000606][ T903] netdev_get_by_index+0x5e/0x80 [ 3847.000606][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3847.000606][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3847.000606][ T903] ip6_route_add+0x1c/0x140 [ 3847.000606][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3847.000606][ T903] inet6_addr_add+0x4f8/0xa40 [ 3847.000606][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.000606][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.000606][ T903] netlink_rcv_skb+0x130/0x360 [ 3847.000606][ T903] netlink_unicast+0x449/0x710 [ 3847.000606][ T903] netlink_sendmsg+0x723/0xbe0 [ 3847.000606][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3847.000606][ T903] ___sys_sendmsg+0xee/0x170 [ 3847.000606][ T903] __sys_sendmsg+0xcd/0x170 [ 3847.000606][ T903] do_syscall_64+0xc6/0x1e0 [ 3847.000606][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.000606][ T903] [ 3847.002805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3847.002805][ T903] netdev_get_by_index+0x5e/0x80 [ 3847.002805][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3847.002805][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3847.002805][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3847.002805][ T903] ipv6_add_addr+0x411/0x2000 [ 3847.002805][ T903] inet6_addr_add+0x30e/0xa40 [ 3847.002805][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.002805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.002805][ T903] netlink_rcv_skb+0x130/0x360 [ 3847.002805][ T903] netlink_unicast+0x449/0x710 [ 3847.002805][ T903] netlink_sendmsg+0x723/0xbe0 [ 3847.002805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3847.002805][ T903] ___sys_sendmsg+0xee/0x170 [ 3847.002805][ T903] __sys_sendmsg+0xcd/0x170 [ 3847.002805][ T903] do_syscall_64+0xc6/0x1e0 [ 3847.002805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.002805][ T903] [ 3847.004963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3847.004963][ T903] netdev_get_by_index+0x5e/0x80 [ 3847.004963][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3847.004963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3847.004963][ T903] ip6_route_add+0x1c/0x140 [ 3847.004963][ T903] addrconf_add_mroute+0x129/0x180 [ 3847.004963][ T903] addrconf_add_dev+0xe2/0x170 [ 3847.004963][ T903] inet6_addr_add+0x12f/0xa40 [ 3847.004963][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3847.004963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.004963][ T903] netlink_rcv_skb+0x130/0x360 [ 3847.004963][ T903] netlink_unicast+0x449/0x710 [ 3847.004963][ T903] netlink_sendmsg+0x723/0xbe0 [ 3847.004963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3847.004963][ T903] ___sys_sendmsg+0xee/0x170 [ 3847.004963][ T903] __sys_sendmsg+0xcd/0x170 [ 3847.004963][ T903] do_syscall_64+0xc6/0x1e0 [ 3847.004963][ T903] [ 3847.007129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3847.007129][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3847.007129][ T903] ipv6_find_idev+0x102/0x170 [ 3847.007129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3847.007129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.007129][ T903] netlink_rcv_skb+0x130/0x360 [ 3847.007129][ T903] netlink_unicast+0x449/0x710 [ 3847.007129][ T903] netlink_sendmsg+0x723/0xbe0 [ 3847.007129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3847.007129][ T903] ___sys_sendmsg+0xee/0x170 [ 3847.007129][ T903] __sys_sendmsg+0xcd/0x170 [ 3847.007129][ T903] do_syscall_64+0xc6/0x1e0 [ 3847.007129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.007129][ T903] [ 3847.008849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3847.008849][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3847.008849][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3847.008849][ T903] ipv6_find_idev+0x102/0x170 [ 3847.008849][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3847.008849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3847.008849][ T903] netlink_rcv_skb+0x130/0x360 [ 3847.008849][ T903] netlink_unicast+0x449/0x710 [ 3847.008849][ T903] netlink_sendmsg+0x723/0xbe0 [ 3847.008849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3847.008849][ T903] ___sys_sendmsg+0xee/0x170 [ 3847.008849][ T903] __sys_sendmsg+0xcd/0x170 [ 3847.008849][ T903] do_syscall_64+0xc6/0x1e0 [ 3847.008849][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3847.008849][ T903] [ 3857.253881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3857.254904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3857.254904][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3857.254904][ T903] ip6_validate_gw+0x3eb/0x790 [ 3857.254904][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3857.254904][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3857.254904][ T903] ip6_route_add+0x1c/0x140 [ 3857.254904][ T903] inet6_rtm_newroute+0x104/0x110 [ 3857.254904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.254904][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.254904][ T903] netlink_unicast+0x449/0x710 [ 3857.254904][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.254904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.254904][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.254904][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.254904][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.254904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3857.254904][ T903] [ 3857.256938][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3857.256938][ T903] netdev_get_by_index+0x5e/0x80 [ 3857.256938][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3857.256938][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3857.256938][ T903] ip6_route_add+0x1c/0x140 [ 3857.256938][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3857.256938][ T903] inet6_addr_add+0x4f8/0xa40 [ 3857.256938][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3857.256938][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.256938][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.256938][ T903] netlink_unicast+0x449/0x710 [ 3857.256938][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.256938][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.256938][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.256938][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.256938][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.256938][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3857.256938][ T903] [ 3857.259026][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3857.259026][ T903] netdev_get_by_index+0x5e/0x80 [ 3857.259026][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3857.259026][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3857.259026][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3857.259026][ T903] ipv6_add_addr+0x411/0x2000 [ 3857.259026][ T903] inet6_addr_add+0x30e/0xa40 [ 3857.259026][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3857.259026][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.259026][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.259026][ T903] netlink_unicast+0x449/0x710 [ 3857.259026][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.259026][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.259026][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.259026][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.259026][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.259026][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3857.259026][ T903] [ 3857.261208][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3857.261208][ T903] netdev_get_by_index+0x5e/0x80 [ 3857.261208][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3857.261208][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3857.261208][ T903] ip6_route_add+0x1c/0x140 [ 3857.261208][ T903] addrconf_add_mroute+0x129/0x180 [ 3857.261208][ T903] addrconf_add_dev+0xe2/0x170 [ 3857.261208][ T903] inet6_addr_add+0x12f/0xa40 [ 3857.261208][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3857.261208][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.261208][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.261208][ T903] netlink_unicast+0x449/0x710 [ 3857.261208][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.261208][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.261208][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.261208][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.261208][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.261208][ T903] [ 3857.263295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3857.263295][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3857.263295][ T903] ipv6_find_idev+0x102/0x170 [ 3857.263295][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3857.263295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.263295][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.263295][ T903] netlink_unicast+0x449/0x710 [ 3857.263295][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.263295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.263295][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.263295][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.263295][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.263295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3857.263295][ T903] [ 3857.264919][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3857.264919][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3857.264919][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3857.264919][ T903] ipv6_find_idev+0x102/0x170 [ 3857.264919][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3857.264919][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3857.264919][ T903] netlink_rcv_skb+0x130/0x360 [ 3857.264919][ T903] netlink_unicast+0x449/0x710 [ 3857.264919][ T903] netlink_sendmsg+0x723/0xbe0 [ 3857.264919][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3857.264919][ T903] ___sys_sendmsg+0xee/0x170 [ 3857.264919][ T903] __sys_sendmsg+0xcd/0x170 [ 3857.264919][ T903] do_syscall_64+0xc6/0x1e0 [ 3857.264919][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3857.264919][ T903] [ 3867.501800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3867.502302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3867.502302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3867.502302][ T903] ip6_validate_gw+0x3eb/0x790 [ 3867.502302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3867.502302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3867.502302][ T903] ip6_route_add+0x1c/0x140 [ 3867.502302][ T903] inet6_rtm_newroute+0x104/0x110 [ 3867.502302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.502302][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.502302][ T903] netlink_unicast+0x449/0x710 [ 3867.502302][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.502302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.502302][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.502302][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.502302][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.502302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3867.502302][ T903] [ 3867.504420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3867.504420][ T903] netdev_get_by_index+0x5e/0x80 [ 3867.504420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3867.504420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3867.504420][ T903] ip6_route_add+0x1c/0x140 [ 3867.504420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3867.504420][ T903] inet6_addr_add+0x4f8/0xa40 [ 3867.504420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3867.504420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.504420][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.504420][ T903] netlink_unicast+0x449/0x710 [ 3867.504420][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.504420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.504420][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.504420][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.504420][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.504420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3867.504420][ T903] [ 3867.506633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3867.506633][ T903] netdev_get_by_index+0x5e/0x80 [ 3867.506633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3867.506633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3867.506633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3867.506633][ T903] ipv6_add_addr+0x411/0x2000 [ 3867.506633][ T903] inet6_addr_add+0x30e/0xa40 [ 3867.506633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3867.506633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.506633][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.506633][ T903] netlink_unicast+0x449/0x710 [ 3867.506633][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.506633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.506633][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.506633][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.506633][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.506633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3867.506633][ T903] [ 3867.508831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3867.508831][ T903] netdev_get_by_index+0x5e/0x80 [ 3867.508831][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3867.508831][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3867.508831][ T903] ip6_route_add+0x1c/0x140 [ 3867.508831][ T903] addrconf_add_mroute+0x129/0x180 [ 3867.508831][ T903] addrconf_add_dev+0xe2/0x170 [ 3867.508831][ T903] inet6_addr_add+0x12f/0xa40 [ 3867.508831][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3867.508831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.508831][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.508831][ T903] netlink_unicast+0x449/0x710 [ 3867.508831][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.508831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.508831][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.508831][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.508831][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.508831][ T903] [ 3867.510986][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3867.510986][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3867.510986][ T903] ipv6_find_idev+0x102/0x170 [ 3867.510986][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3867.510986][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.510986][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.510986][ T903] netlink_unicast+0x449/0x710 [ 3867.510986][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.510986][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.510986][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.510986][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.510986][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.510986][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3867.510986][ T903] [ 3867.512678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3867.512678][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3867.512678][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3867.512678][ T903] ipv6_find_idev+0x102/0x170 [ 3867.512678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3867.512678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3867.512678][ T903] netlink_rcv_skb+0x130/0x360 [ 3867.512678][ T903] netlink_unicast+0x449/0x710 [ 3867.512678][ T903] netlink_sendmsg+0x723/0xbe0 [ 3867.512678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3867.512678][ T903] ___sys_sendmsg+0xee/0x170 [ 3867.512678][ T903] __sys_sendmsg+0xcd/0x170 [ 3867.512678][ T903] do_syscall_64+0xc6/0x1e0 [ 3867.512678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3867.512678][ T903] [ 3877.749890][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3877.750740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3877.750740][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3877.750740][ T903] ip6_validate_gw+0x3eb/0x790 [ 3877.750740][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3877.750740][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3877.750740][ T903] ip6_route_add+0x1c/0x140 [ 3877.750740][ T903] inet6_rtm_newroute+0x104/0x110 [ 3877.750740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.750740][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.750740][ T903] netlink_unicast+0x449/0x710 [ 3877.750740][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.750740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.750740][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.750740][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.750740][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.750740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3877.750740][ T903] [ 3877.752847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3877.752847][ T903] netdev_get_by_index+0x5e/0x80 [ 3877.752847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3877.752847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3877.752847][ T903] ip6_route_add+0x1c/0x140 [ 3877.752847][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3877.752847][ T903] inet6_addr_add+0x4f8/0xa40 [ 3877.752847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3877.752847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.752847][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.752847][ T903] netlink_unicast+0x449/0x710 [ 3877.752847][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.752847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.752847][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.752847][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.752847][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.752847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3877.752847][ T903] [ 3877.755008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3877.755008][ T903] netdev_get_by_index+0x5e/0x80 [ 3877.755008][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3877.755008][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3877.755008][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3877.755008][ T903] ipv6_add_addr+0x411/0x2000 [ 3877.755008][ T903] inet6_addr_add+0x30e/0xa40 [ 3877.755008][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3877.755008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.755008][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.755008][ T903] netlink_unicast+0x449/0x710 [ 3877.755008][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.755008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.755008][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.755008][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.755008][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.755008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3877.755008][ T903] [ 3877.757150][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3877.757150][ T903] netdev_get_by_index+0x5e/0x80 [ 3877.757150][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3877.757150][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3877.757150][ T903] ip6_route_add+0x1c/0x140 [ 3877.757150][ T903] addrconf_add_mroute+0x129/0x180 [ 3877.757150][ T903] addrconf_add_dev+0xe2/0x170 [ 3877.757150][ T903] inet6_addr_add+0x12f/0xa40 [ 3877.757150][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3877.757150][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.757150][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.757150][ T903] netlink_unicast+0x449/0x710 [ 3877.757150][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.757150][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.757150][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.757150][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.757150][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.757150][ T903] [ 3877.759273][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3877.759273][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3877.759273][ T903] ipv6_find_idev+0x102/0x170 [ 3877.759273][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3877.759273][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.759273][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.759273][ T903] netlink_unicast+0x449/0x710 [ 3877.759273][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.759273][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.759273][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.759273][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.759273][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.759273][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3877.759273][ T903] [ 3877.760976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3877.760976][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3877.760976][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3877.760976][ T903] ipv6_find_idev+0x102/0x170 [ 3877.760976][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3877.760976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3877.760976][ T903] netlink_rcv_skb+0x130/0x360 [ 3877.760976][ T903] netlink_unicast+0x449/0x710 [ 3877.760976][ T903] netlink_sendmsg+0x723/0xbe0 [ 3877.760976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3877.760976][ T903] ___sys_sendmsg+0xee/0x170 [ 3877.760976][ T903] __sys_sendmsg+0xcd/0x170 [ 3877.760976][ T903] do_syscall_64+0xc6/0x1e0 [ 3877.760976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3877.760976][ T903] [ 3888.005866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3888.006563][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3888.006563][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3888.006563][ T903] ip6_validate_gw+0x3eb/0x790 [ 3888.006563][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3888.006563][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3888.006563][ T903] ip6_route_add+0x1c/0x140 [ 3888.006563][ T903] inet6_rtm_newroute+0x104/0x110 [ 3888.006563][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.006563][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.006563][ T903] netlink_unicast+0x449/0x710 [ 3888.006563][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.006563][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.006563][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.006563][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.006563][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.006563][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.006563][ T903] [ 3888.008660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3888.008660][ T903] netdev_get_by_index+0x5e/0x80 [ 3888.008660][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3888.008660][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3888.008660][ T903] ip6_route_add+0x1c/0x140 [ 3888.008660][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3888.008660][ T903] inet6_addr_add+0x4f8/0xa40 [ 3888.008660][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.008660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.008660][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.008660][ T903] netlink_unicast+0x449/0x710 [ 3888.008660][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.008660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.008660][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.008660][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.008660][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.008660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.008660][ T903] [ 3888.010858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3888.010858][ T903] netdev_get_by_index+0x5e/0x80 [ 3888.010858][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3888.010858][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3888.010858][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3888.010858][ T903] ipv6_add_addr+0x411/0x2000 [ 3888.010858][ T903] inet6_addr_add+0x30e/0xa40 [ 3888.010858][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.010858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.010858][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.010858][ T903] netlink_unicast+0x449/0x710 [ 3888.010858][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.010858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.010858][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.010858][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.010858][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.010858][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.010858][ T903] [ 3888.013029][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3888.013029][ T903] netdev_get_by_index+0x5e/0x80 [ 3888.013029][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3888.013029][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3888.013029][ T903] ip6_route_add+0x1c/0x140 [ 3888.013029][ T903] addrconf_add_mroute+0x129/0x180 [ 3888.013029][ T903] addrconf_add_dev+0xe2/0x170 [ 3888.013029][ T903] inet6_addr_add+0x12f/0xa40 [ 3888.013029][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3888.013029][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.013029][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.013029][ T903] netlink_unicast+0x449/0x710 [ 3888.013029][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.013029][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.013029][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.013029][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.013029][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.013029][ T903] [ 3888.015186][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3888.015186][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3888.015186][ T903] ipv6_find_idev+0x102/0x170 [ 3888.015186][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3888.015186][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.015186][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.015186][ T903] netlink_unicast+0x449/0x710 [ 3888.015186][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.015186][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.015186][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.015186][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.015186][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.015186][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.015186][ T903] [ 3888.016834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3888.016834][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3888.016834][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3888.016834][ T903] ipv6_find_idev+0x102/0x170 [ 3888.016834][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3888.016834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3888.016834][ T903] netlink_rcv_skb+0x130/0x360 [ 3888.016834][ T903] netlink_unicast+0x449/0x710 [ 3888.016834][ T903] netlink_sendmsg+0x723/0xbe0 [ 3888.016834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3888.016834][ T903] ___sys_sendmsg+0xee/0x170 [ 3888.016834][ T903] __sys_sendmsg+0xcd/0x170 [ 3888.016834][ T903] do_syscall_64+0xc6/0x1e0 [ 3888.016834][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3888.016834][ T903] [ 3898.253802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3898.254334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3898.254334][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3898.254334][ T903] ip6_validate_gw+0x3eb/0x790 [ 3898.254334][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3898.254334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3898.254334][ T903] ip6_route_add+0x1c/0x140 [ 3898.254334][ T903] inet6_rtm_newroute+0x104/0x110 [ 3898.254334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.254334][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.254334][ T903] netlink_unicast+0x449/0x710 [ 3898.254334][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.254334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.254334][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.254334][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.254334][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.254334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.254334][ T903] [ 3898.256498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3898.256498][ T903] netdev_get_by_index+0x5e/0x80 [ 3898.256498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3898.256498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3898.256498][ T903] ip6_route_add+0x1c/0x140 [ 3898.256498][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3898.256498][ T903] inet6_addr_add+0x4f8/0xa40 [ 3898.256498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.256498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.256498][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.256498][ T903] netlink_unicast+0x449/0x710 [ 3898.256498][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.256498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.256498][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.256498][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.256498][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.256498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.256498][ T903] [ 3898.258637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3898.258637][ T903] netdev_get_by_index+0x5e/0x80 [ 3898.258637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3898.258637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3898.258637][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3898.258637][ T903] ipv6_add_addr+0x411/0x2000 [ 3898.258637][ T903] inet6_addr_add+0x30e/0xa40 [ 3898.258637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.258637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.258637][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.258637][ T903] netlink_unicast+0x449/0x710 [ 3898.258637][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.258637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.258637][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.258637][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.258637][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.258637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.258637][ T903] [ 3898.260776][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3898.260776][ T903] netdev_get_by_index+0x5e/0x80 [ 3898.260776][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3898.260776][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3898.260776][ T903] ip6_route_add+0x1c/0x140 [ 3898.260776][ T903] addrconf_add_mroute+0x129/0x180 [ 3898.260776][ T903] addrconf_add_dev+0xe2/0x170 [ 3898.260776][ T903] inet6_addr_add+0x12f/0xa40 [ 3898.260776][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3898.260776][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.260776][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.260776][ T903] netlink_unicast+0x449/0x710 [ 3898.260776][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.260776][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.260776][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.260776][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.260776][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.260776][ T903] [ 3898.262905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3898.262905][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3898.262905][ T903] ipv6_find_idev+0x102/0x170 [ 3898.262905][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3898.262905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.262905][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.262905][ T903] netlink_unicast+0x449/0x710 [ 3898.262905][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.262905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.262905][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.262905][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.262905][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.262905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.262905][ T903] [ 3898.264636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3898.264636][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3898.264636][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3898.264636][ T903] ipv6_find_idev+0x102/0x170 [ 3898.264636][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3898.264636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3898.264636][ T903] netlink_rcv_skb+0x130/0x360 [ 3898.264636][ T903] netlink_unicast+0x449/0x710 [ 3898.264636][ T903] netlink_sendmsg+0x723/0xbe0 [ 3898.264636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3898.264636][ T903] ___sys_sendmsg+0xee/0x170 [ 3898.264636][ T903] __sys_sendmsg+0xcd/0x170 [ 3898.264636][ T903] do_syscall_64+0xc6/0x1e0 [ 3898.264636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3898.264636][ T903] [ 3908.269908][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3908.270665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3908.270665][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3908.270665][ T903] ip6_validate_gw+0x3eb/0x790 [ 3908.270665][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3908.270665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3908.270665][ T903] ip6_route_add+0x1c/0x140 [ 3908.270665][ T903] inet6_rtm_newroute+0x104/0x110 [ 3908.270665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.270665][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.270665][ T903] netlink_unicast+0x449/0x710 [ 3908.270665][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.270665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.270665][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.270665][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.270665][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.270665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.270665][ T903] [ 3908.272721][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3908.272721][ T903] netdev_get_by_index+0x5e/0x80 [ 3908.272721][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3908.272721][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3908.272721][ T903] ip6_route_add+0x1c/0x140 [ 3908.272721][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3908.272721][ T903] inet6_addr_add+0x4f8/0xa40 [ 3908.272721][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.272721][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.272721][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.272721][ T903] netlink_unicast+0x449/0x710 [ 3908.272721][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.272721][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.272721][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.272721][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.272721][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.272721][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.272721][ T903] [ 3908.274974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3908.274974][ T903] netdev_get_by_index+0x5e/0x80 [ 3908.274974][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3908.274974][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3908.274974][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3908.274974][ T903] ipv6_add_addr+0x411/0x2000 [ 3908.274974][ T903] inet6_addr_add+0x30e/0xa40 [ 3908.274974][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.274974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.274974][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.274974][ T903] netlink_unicast+0x449/0x710 [ 3908.274974][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.274974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.274974][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.274974][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.274974][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.274974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.274974][ T903] [ 3908.277114][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3908.277114][ T903] netdev_get_by_index+0x5e/0x80 [ 3908.277114][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3908.277114][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3908.277114][ T903] ip6_route_add+0x1c/0x140 [ 3908.277114][ T903] addrconf_add_mroute+0x129/0x180 [ 3908.277114][ T903] addrconf_add_dev+0xe2/0x170 [ 3908.277114][ T903] inet6_addr_add+0x12f/0xa40 [ 3908.277114][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3908.277114][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.277114][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.277114][ T903] netlink_unicast+0x449/0x710 [ 3908.277114][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.277114][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.277114][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.277114][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.277114][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.277114][ T903] [ 3908.279294][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3908.279294][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3908.279294][ T903] ipv6_find_idev+0x102/0x170 [ 3908.279294][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3908.279294][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.279294][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.279294][ T903] netlink_unicast+0x449/0x710 [ 3908.279294][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.279294][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.279294][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.279294][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.279294][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.279294][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.279294][ T903] [ 3908.280977][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3908.280977][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3908.280977][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3908.280977][ T903] ipv6_find_idev+0x102/0x170 [ 3908.280977][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3908.280977][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3908.280977][ T903] netlink_rcv_skb+0x130/0x360 [ 3908.280977][ T903] netlink_unicast+0x449/0x710 [ 3908.280977][ T903] netlink_sendmsg+0x723/0xbe0 [ 3908.280977][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3908.280977][ T903] ___sys_sendmsg+0xee/0x170 [ 3908.280977][ T903] __sys_sendmsg+0xcd/0x170 [ 3908.280977][ T903] do_syscall_64+0xc6/0x1e0 [ 3908.280977][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3908.280977][ T903] [ 3918.301878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3918.302850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3918.302850][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3918.302850][ T903] ip6_validate_gw+0x3eb/0x790 [ 3918.302850][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3918.302850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3918.302850][ T903] ip6_route_add+0x1c/0x140 [ 3918.302850][ T903] inet6_rtm_newroute+0x104/0x110 [ 3918.302850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.302850][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.302850][ T903] netlink_unicast+0x449/0x710 [ 3918.302850][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.302850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.302850][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.302850][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.302850][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.302850][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.302850][ T903] [ 3918.304854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3918.304854][ T903] netdev_get_by_index+0x5e/0x80 [ 3918.304854][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3918.304854][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3918.304854][ T903] ip6_route_add+0x1c/0x140 [ 3918.304854][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3918.304854][ T903] inet6_addr_add+0x4f8/0xa40 [ 3918.304854][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.304854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.304854][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.304854][ T903] netlink_unicast+0x449/0x710 [ 3918.304854][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.304854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.304854][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.304854][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.304854][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.304854][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.304854][ T903] [ 3918.307065][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3918.307065][ T903] netdev_get_by_index+0x5e/0x80 [ 3918.307065][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3918.307065][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3918.307065][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3918.307065][ T903] ipv6_add_addr+0x411/0x2000 [ 3918.307065][ T903] inet6_addr_add+0x30e/0xa40 [ 3918.307065][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.307065][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.307065][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.307065][ T903] netlink_unicast+0x449/0x710 [ 3918.307065][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.307065][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.307065][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.307065][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.307065][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.307065][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.307065][ T903] [ 3918.309123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3918.309123][ T903] netdev_get_by_index+0x5e/0x80 [ 3918.309123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3918.309123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3918.309123][ T903] ip6_route_add+0x1c/0x140 [ 3918.309123][ T903] addrconf_add_mroute+0x129/0x180 [ 3918.309123][ T903] addrconf_add_dev+0xe2/0x170 [ 3918.309123][ T903] inet6_addr_add+0x12f/0xa40 [ 3918.309123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3918.309123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.309123][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.309123][ T903] netlink_unicast+0x449/0x710 [ 3918.309123][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.309123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.309123][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.309123][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.309123][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.309123][ T903] [ 3918.311182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3918.311182][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3918.311182][ T903] ipv6_find_idev+0x102/0x170 [ 3918.311182][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3918.311182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.311182][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.311182][ T903] netlink_unicast+0x449/0x710 [ 3918.311182][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.311182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.311182][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.311182][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.311182][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.311182][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.311182][ T903] [ 3918.312870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3918.312870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3918.312870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3918.312870][ T903] ipv6_find_idev+0x102/0x170 [ 3918.312870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3918.312870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3918.312870][ T903] netlink_rcv_skb+0x130/0x360 [ 3918.312870][ T903] netlink_unicast+0x449/0x710 [ 3918.312870][ T903] netlink_sendmsg+0x723/0xbe0 [ 3918.312870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3918.312870][ T903] ___sys_sendmsg+0xee/0x170 [ 3918.312870][ T903] __sys_sendmsg+0xcd/0x170 [ 3918.312870][ T903] do_syscall_64+0xc6/0x1e0 [ 3918.312870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3918.312870][ T903] [ 3928.549953][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3928.550965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3928.550965][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3928.550965][ T903] ip6_validate_gw+0x3eb/0x790 [ 3928.550965][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3928.550965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3928.550965][ T903] ip6_route_add+0x1c/0x140 [ 3928.550965][ T903] inet6_rtm_newroute+0x104/0x110 [ 3928.550965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.550965][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.550965][ T903] netlink_unicast+0x449/0x710 [ 3928.550965][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.550965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.550965][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.550965][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.550965][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.550965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.550965][ T903] [ 3928.553087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3928.553087][ T903] netdev_get_by_index+0x5e/0x80 [ 3928.553087][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3928.553087][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3928.553087][ T903] ip6_route_add+0x1c/0x140 [ 3928.553087][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3928.553087][ T903] inet6_addr_add+0x4f8/0xa40 [ 3928.553087][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.553087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.553087][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.553087][ T903] netlink_unicast+0x449/0x710 [ 3928.553087][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.553087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.553087][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.553087][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.553087][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.553087][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.553087][ T903] [ 3928.555247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3928.555247][ T903] netdev_get_by_index+0x5e/0x80 [ 3928.555247][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3928.555247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3928.555247][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3928.555247][ T903] ipv6_add_addr+0x411/0x2000 [ 3928.555247][ T903] inet6_addr_add+0x30e/0xa40 [ 3928.555247][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.555247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.555247][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.555247][ T903] netlink_unicast+0x449/0x710 [ 3928.555247][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.555247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.555247][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.555247][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.555247][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.555247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.555247][ T903] [ 3928.557401][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3928.557401][ T903] netdev_get_by_index+0x5e/0x80 [ 3928.557401][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3928.557401][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3928.557401][ T903] ip6_route_add+0x1c/0x140 [ 3928.557401][ T903] addrconf_add_mroute+0x129/0x180 [ 3928.557401][ T903] addrconf_add_dev+0xe2/0x170 [ 3928.557401][ T903] inet6_addr_add+0x12f/0xa40 [ 3928.557401][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3928.557401][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.557401][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.557401][ T903] netlink_unicast+0x449/0x710 [ 3928.557401][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.557401][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.557401][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.557401][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.557401][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.557401][ T903] [ 3928.559565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3928.559565][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3928.559565][ T903] ipv6_find_idev+0x102/0x170 [ 3928.559565][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3928.559565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.559565][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.559565][ T903] netlink_unicast+0x449/0x710 [ 3928.559565][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.559565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.559565][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.559565][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.559565][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.559565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.559565][ T903] [ 3928.561298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3928.561298][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3928.561298][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3928.561298][ T903] ipv6_find_idev+0x102/0x170 [ 3928.561298][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3928.561298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3928.561298][ T903] netlink_rcv_skb+0x130/0x360 [ 3928.561298][ T903] netlink_unicast+0x449/0x710 [ 3928.561298][ T903] netlink_sendmsg+0x723/0xbe0 [ 3928.561298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3928.561298][ T903] ___sys_sendmsg+0xee/0x170 [ 3928.561298][ T903] __sys_sendmsg+0xcd/0x170 [ 3928.561298][ T903] do_syscall_64+0xc6/0x1e0 [ 3928.561298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3928.561298][ T903] [ 3938.805889][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3938.806680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3938.806680][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3938.806680][ T903] ip6_validate_gw+0x3eb/0x790 [ 3938.806680][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3938.806680][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3938.806680][ T903] ip6_route_add+0x1c/0x140 [ 3938.806680][ T903] inet6_rtm_newroute+0x104/0x110 [ 3938.806680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.806680][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.806680][ T903] netlink_unicast+0x449/0x710 [ 3938.806680][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.806680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.806680][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.806680][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.806680][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.806680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3938.806680][ T903] [ 3938.809181][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3938.809181][ T903] netdev_get_by_index+0x5e/0x80 [ 3938.809181][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3938.809181][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3938.809181][ T903] ip6_route_add+0x1c/0x140 [ 3938.809181][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3938.809181][ T903] inet6_addr_add+0x4f8/0xa40 [ 3938.809181][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3938.809181][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.809181][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.809181][ T903] netlink_unicast+0x449/0x710 [ 3938.809181][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.809181][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.809181][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.809181][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.809181][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.809181][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3938.809181][ T903] [ 3938.811452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3938.811452][ T903] netdev_get_by_index+0x5e/0x80 [ 3938.811452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3938.811452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3938.811452][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3938.811452][ T903] ipv6_add_addr+0x411/0x2000 [ 3938.811452][ T903] inet6_addr_add+0x30e/0xa40 [ 3938.811452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3938.811452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.811452][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.811452][ T903] netlink_unicast+0x449/0x710 [ 3938.811452][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.811452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.811452][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.811452][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.811452][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.811452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3938.811452][ T903] [ 3938.813624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3938.813624][ T903] netdev_get_by_index+0x5e/0x80 [ 3938.813624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3938.813624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3938.813624][ T903] ip6_route_add+0x1c/0x140 [ 3938.813624][ T903] addrconf_add_mroute+0x129/0x180 [ 3938.813624][ T903] addrconf_add_dev+0xe2/0x170 [ 3938.813624][ T903] inet6_addr_add+0x12f/0xa40 [ 3938.813624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3938.813624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.813624][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.813624][ T903] netlink_unicast+0x449/0x710 [ 3938.813624][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.813624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.813624][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.813624][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.813624][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.813624][ T903] [ 3938.815744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3938.815744][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3938.815744][ T903] ipv6_find_idev+0x102/0x170 [ 3938.815744][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3938.815744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.815744][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.815744][ T903] netlink_unicast+0x449/0x710 [ 3938.815744][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.815744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.815744][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.815744][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.815744][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.815744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3938.815744][ T903] [ 3938.817422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3938.817422][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3938.817422][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3938.817422][ T903] ipv6_find_idev+0x102/0x170 [ 3938.817422][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3938.817422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3938.817422][ T903] netlink_rcv_skb+0x130/0x360 [ 3938.817422][ T903] netlink_unicast+0x449/0x710 [ 3938.817422][ T903] netlink_sendmsg+0x723/0xbe0 [ 3938.817422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3938.817422][ T903] ___sys_sendmsg+0xee/0x170 [ 3938.817422][ T903] __sys_sendmsg+0xcd/0x170 [ 3938.817422][ T903] do_syscall_64+0xc6/0x1e0 [ 3938.817422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3938.817422][ T903] [ 3949.061861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3949.062763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3949.062763][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3949.062763][ T903] ip6_validate_gw+0x3eb/0x790 [ 3949.062763][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3949.062763][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3949.062763][ T903] ip6_route_add+0x1c/0x140 [ 3949.062763][ T903] inet6_rtm_newroute+0x104/0x110 [ 3949.062763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.062763][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.062763][ T903] netlink_unicast+0x449/0x710 [ 3949.062763][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.062763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.062763][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.062763][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.062763][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.062763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.062763][ T903] [ 3949.064876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3949.064876][ T903] netdev_get_by_index+0x5e/0x80 [ 3949.064876][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3949.064876][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3949.064876][ T903] ip6_route_add+0x1c/0x140 [ 3949.064876][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3949.064876][ T903] inet6_addr_add+0x4f8/0xa40 [ 3949.064876][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.064876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.064876][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.064876][ T903] netlink_unicast+0x449/0x710 [ 3949.064876][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.064876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.064876][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.064876][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.064876][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.064876][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.064876][ T903] [ 3949.067080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3949.067080][ T903] netdev_get_by_index+0x5e/0x80 [ 3949.067080][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3949.067080][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3949.067080][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3949.067080][ T903] ipv6_add_addr+0x411/0x2000 [ 3949.067080][ T903] inet6_addr_add+0x30e/0xa40 [ 3949.067080][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.067080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.067080][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.067080][ T903] netlink_unicast+0x449/0x710 [ 3949.067080][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.067080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.067080][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.067080][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.067080][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.067080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.067080][ T903] [ 3949.069270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3949.069270][ T903] netdev_get_by_index+0x5e/0x80 [ 3949.069270][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3949.069270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3949.069270][ T903] ip6_route_add+0x1c/0x140 [ 3949.069270][ T903] addrconf_add_mroute+0x129/0x180 [ 3949.069270][ T903] addrconf_add_dev+0xe2/0x170 [ 3949.069270][ T903] inet6_addr_add+0x12f/0xa40 [ 3949.069270][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3949.069270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.069270][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.069270][ T903] netlink_unicast+0x449/0x710 [ 3949.069270][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.069270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.069270][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.069270][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.069270][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.069270][ T903] [ 3949.071371][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3949.071371][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3949.071371][ T903] ipv6_find_idev+0x102/0x170 [ 3949.071371][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3949.071371][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.071371][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.071371][ T903] netlink_unicast+0x449/0x710 [ 3949.071371][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.071371][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.071371][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.071371][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.071371][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.071371][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.071371][ T903] [ 3949.073043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3949.073043][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3949.073043][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3949.073043][ T903] ipv6_find_idev+0x102/0x170 [ 3949.073043][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3949.073043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3949.073043][ T903] netlink_rcv_skb+0x130/0x360 [ 3949.073043][ T903] netlink_unicast+0x449/0x710 [ 3949.073043][ T903] netlink_sendmsg+0x723/0xbe0 [ 3949.073043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3949.073043][ T903] ___sys_sendmsg+0xee/0x170 [ 3949.073043][ T903] __sys_sendmsg+0xcd/0x170 [ 3949.073043][ T903] do_syscall_64+0xc6/0x1e0 [ 3949.073043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3949.073043][ T903] [ 3959.253872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3959.254707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3959.254707][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3959.254707][ T903] ip6_validate_gw+0x3eb/0x790 [ 3959.254707][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3959.254707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3959.254707][ T903] ip6_route_add+0x1c/0x140 [ 3959.254707][ T903] inet6_rtm_newroute+0x104/0x110 [ 3959.254707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.254707][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.254707][ T903] netlink_unicast+0x449/0x710 [ 3959.254707][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.254707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.254707][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.254707][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.254707][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.254707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.254707][ T903] [ 3959.256753][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3959.256753][ T903] netdev_get_by_index+0x5e/0x80 [ 3959.256753][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3959.256753][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3959.256753][ T903] ip6_route_add+0x1c/0x140 [ 3959.256753][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3959.256753][ T903] inet6_addr_add+0x4f8/0xa40 [ 3959.256753][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.256753][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.256753][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.256753][ T903] netlink_unicast+0x449/0x710 [ 3959.256753][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.256753][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.256753][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.256753][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.256753][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.256753][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.256753][ T903] [ 3959.258965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3959.258965][ T903] netdev_get_by_index+0x5e/0x80 [ 3959.258965][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3959.258965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3959.258965][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3959.258965][ T903] ipv6_add_addr+0x411/0x2000 [ 3959.258965][ T903] inet6_addr_add+0x30e/0xa40 [ 3959.258965][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.258965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.258965][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.258965][ T903] netlink_unicast+0x449/0x710 [ 3959.258965][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.258965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.258965][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.258965][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.258965][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.258965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.258965][ T903] [ 3959.261141][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3959.261141][ T903] netdev_get_by_index+0x5e/0x80 [ 3959.261141][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3959.261141][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3959.261141][ T903] ip6_route_add+0x1c/0x140 [ 3959.261141][ T903] addrconf_add_mroute+0x129/0x180 [ 3959.261141][ T903] addrconf_add_dev+0xe2/0x170 [ 3959.261141][ T903] inet6_addr_add+0x12f/0xa40 [ 3959.261141][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3959.261141][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.261141][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.261141][ T903] netlink_unicast+0x449/0x710 [ 3959.261141][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.261141][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.261141][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.261141][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.261141][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.261141][ T903] [ 3959.263297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3959.263297][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3959.263297][ T903] ipv6_find_idev+0x102/0x170 [ 3959.263297][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3959.263297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.263297][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.263297][ T903] netlink_unicast+0x449/0x710 [ 3959.263297][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.263297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.263297][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.263297][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.263297][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.263297][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.263297][ T903] [ 3959.265015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3959.265015][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3959.265015][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3959.265015][ T903] ipv6_find_idev+0x102/0x170 [ 3959.265015][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3959.265015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3959.265015][ T903] netlink_rcv_skb+0x130/0x360 [ 3959.265015][ T903] netlink_unicast+0x449/0x710 [ 3959.265015][ T903] netlink_sendmsg+0x723/0xbe0 [ 3959.265015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3959.265015][ T903] ___sys_sendmsg+0xee/0x170 [ 3959.265015][ T903] __sys_sendmsg+0xcd/0x170 [ 3959.265015][ T903] do_syscall_64+0xc6/0x1e0 [ 3959.265015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3959.265015][ T903] [ 3969.453861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3969.454723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3969.454723][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3969.454723][ T903] ip6_validate_gw+0x3eb/0x790 [ 3969.454723][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3969.454723][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3969.454723][ T903] ip6_route_add+0x1c/0x140 [ 3969.454723][ T903] inet6_rtm_newroute+0x104/0x110 [ 3969.454723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.454723][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.454723][ T903] netlink_unicast+0x449/0x710 [ 3969.454723][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.454723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.454723][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.454723][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.454723][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.454723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.454723][ T903] [ 3969.456815][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3969.456815][ T903] netdev_get_by_index+0x5e/0x80 [ 3969.456815][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3969.456815][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3969.456815][ T903] ip6_route_add+0x1c/0x140 [ 3969.456815][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3969.456815][ T903] inet6_addr_add+0x4f8/0xa40 [ 3969.456815][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.456815][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.456815][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.456815][ T903] netlink_unicast+0x449/0x710 [ 3969.456815][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.456815][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.456815][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.456815][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.456815][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.456815][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.456815][ T903] [ 3969.459012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3969.459012][ T903] netdev_get_by_index+0x5e/0x80 [ 3969.459012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3969.459012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3969.459012][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3969.459012][ T903] ipv6_add_addr+0x411/0x2000 [ 3969.459012][ T903] inet6_addr_add+0x30e/0xa40 [ 3969.459012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.459012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.459012][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.459012][ T903] netlink_unicast+0x449/0x710 [ 3969.459012][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.459012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.459012][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.459012][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.459012][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.459012][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.459012][ T903] [ 3969.461203][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3969.461203][ T903] netdev_get_by_index+0x5e/0x80 [ 3969.461203][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3969.461203][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3969.461203][ T903] ip6_route_add+0x1c/0x140 [ 3969.461203][ T903] addrconf_add_mroute+0x129/0x180 [ 3969.461203][ T903] addrconf_add_dev+0xe2/0x170 [ 3969.461203][ T903] inet6_addr_add+0x12f/0xa40 [ 3969.461203][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3969.461203][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.461203][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.461203][ T903] netlink_unicast+0x449/0x710 [ 3969.461203][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.461203][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.461203][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.461203][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.461203][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.461203][ T903] [ 3969.463350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3969.463350][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3969.463350][ T903] ipv6_find_idev+0x102/0x170 [ 3969.463350][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3969.463350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.463350][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.463350][ T903] netlink_unicast+0x449/0x710 [ 3969.463350][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.463350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.463350][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.463350][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.463350][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.463350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.463350][ T903] [ 3969.465050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3969.465050][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3969.465050][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3969.465050][ T903] ipv6_find_idev+0x102/0x170 [ 3969.465050][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3969.465050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3969.465050][ T903] netlink_rcv_skb+0x130/0x360 [ 3969.465050][ T903] netlink_unicast+0x449/0x710 [ 3969.465050][ T903] netlink_sendmsg+0x723/0xbe0 [ 3969.465050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3969.465050][ T903] ___sys_sendmsg+0xee/0x170 [ 3969.465050][ T903] __sys_sendmsg+0xcd/0x170 [ 3969.465050][ T903] do_syscall_64+0xc6/0x1e0 [ 3969.465050][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3969.465050][ T903] [ 3979.501866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3979.502916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3979.502916][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3979.502916][ T903] ip6_validate_gw+0x3eb/0x790 [ 3979.502916][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3979.502916][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3979.502916][ T903] ip6_route_add+0x1c/0x140 [ 3979.502916][ T903] inet6_rtm_newroute+0x104/0x110 [ 3979.502916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.502916][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.502916][ T903] netlink_unicast+0x449/0x710 [ 3979.502916][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.502916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.502916][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.502916][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.502916][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.502916][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.502916][ T903] [ 3979.505013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3979.505013][ T903] netdev_get_by_index+0x5e/0x80 [ 3979.505013][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3979.505013][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3979.505013][ T903] ip6_route_add+0x1c/0x140 [ 3979.505013][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3979.505013][ T903] inet6_addr_add+0x4f8/0xa40 [ 3979.505013][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.505013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.505013][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.505013][ T903] netlink_unicast+0x449/0x710 [ 3979.505013][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.505013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.505013][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.505013][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.505013][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.505013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.505013][ T903] [ 3979.507175][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3979.507175][ T903] netdev_get_by_index+0x5e/0x80 [ 3979.507175][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3979.507175][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3979.507175][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3979.507175][ T903] ipv6_add_addr+0x411/0x2000 [ 3979.507175][ T903] inet6_addr_add+0x30e/0xa40 [ 3979.507175][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.507175][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.507175][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.507175][ T903] netlink_unicast+0x449/0x710 [ 3979.507175][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.507175][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.507175][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.507175][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.507175][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.507175][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.507175][ T903] [ 3979.509343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3979.509343][ T903] netdev_get_by_index+0x5e/0x80 [ 3979.509343][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3979.509343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3979.509343][ T903] ip6_route_add+0x1c/0x140 [ 3979.509343][ T903] addrconf_add_mroute+0x129/0x180 [ 3979.509343][ T903] addrconf_add_dev+0xe2/0x170 [ 3979.509343][ T903] inet6_addr_add+0x12f/0xa40 [ 3979.509343][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3979.509343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.509343][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.509343][ T903] netlink_unicast+0x449/0x710 [ 3979.509343][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.509343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.509343][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.509343][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.509343][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.509343][ T903] [ 3979.511479][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3979.511479][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3979.511479][ T903] ipv6_find_idev+0x102/0x170 [ 3979.511479][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3979.511479][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.511479][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.511479][ T903] netlink_unicast+0x449/0x710 [ 3979.511479][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.511479][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.511479][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.511479][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.511479][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.511479][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.511479][ T903] [ 3979.513207][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3979.513207][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3979.513207][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3979.513207][ T903] ipv6_find_idev+0x102/0x170 [ 3979.513207][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3979.513207][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3979.513207][ T903] netlink_rcv_skb+0x130/0x360 [ 3979.513207][ T903] netlink_unicast+0x449/0x710 [ 3979.513207][ T903] netlink_sendmsg+0x723/0xbe0 [ 3979.513207][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3979.513207][ T903] ___sys_sendmsg+0xee/0x170 [ 3979.513207][ T903] __sys_sendmsg+0xcd/0x170 [ 3979.513207][ T903] do_syscall_64+0xc6/0x1e0 [ 3979.513207][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3979.513207][ T903] [ 3989.757804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3989.758728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3989.758728][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3989.758728][ T903] ip6_validate_gw+0x3eb/0x790 [ 3989.758728][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3989.758728][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3989.758728][ T903] ip6_route_add+0x1c/0x140 [ 3989.758728][ T903] inet6_rtm_newroute+0x104/0x110 [ 3989.758728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.758728][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.758728][ T903] netlink_unicast+0x449/0x710 [ 3989.758728][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.758728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.758728][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.758728][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.758728][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.758728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.758728][ T903] [ 3989.760814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3989.760814][ T903] netdev_get_by_index+0x5e/0x80 [ 3989.760814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3989.760814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3989.760814][ T903] ip6_route_add+0x1c/0x140 [ 3989.760814][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3989.760814][ T903] inet6_addr_add+0x4f8/0xa40 [ 3989.760814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.760814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.760814][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.760814][ T903] netlink_unicast+0x449/0x710 [ 3989.760814][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.760814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.760814][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.760814][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.760814][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.760814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.760814][ T903] [ 3989.762986][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3989.762986][ T903] netdev_get_by_index+0x5e/0x80 [ 3989.762986][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3989.762986][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3989.762986][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3989.762986][ T903] ipv6_add_addr+0x411/0x2000 [ 3989.762986][ T903] inet6_addr_add+0x30e/0xa40 [ 3989.762986][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.762986][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.762986][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.762986][ T903] netlink_unicast+0x449/0x710 [ 3989.762986][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.762986][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.762986][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.762986][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.762986][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.762986][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.762986][ T903] [ 3989.765216][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3989.765216][ T903] netdev_get_by_index+0x5e/0x80 [ 3989.765216][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3989.765216][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3989.765216][ T903] ip6_route_add+0x1c/0x140 [ 3989.765216][ T903] addrconf_add_mroute+0x129/0x180 [ 3989.765216][ T903] addrconf_add_dev+0xe2/0x170 [ 3989.765216][ T903] inet6_addr_add+0x12f/0xa40 [ 3989.765216][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.765216][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.765216][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.765216][ T903] netlink_unicast+0x449/0x710 [ 3989.765216][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.765216][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.765216][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.765216][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.765216][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.765216][ T903] [ 3989.767392][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3989.767392][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3989.767392][ T903] ipv6_find_idev+0x102/0x170 [ 3989.767392][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3989.767392][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.767392][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.767392][ T903] netlink_unicast+0x449/0x710 [ 3989.767392][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.767392][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.767392][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.767392][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.767392][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.767392][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.767392][ T903] [ 3989.769384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3989.769384][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3989.769384][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3989.769384][ T903] ipv6_find_idev+0x102/0x170 [ 3989.769384][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3989.769384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.769384][ T903] netlink_rcv_skb+0x130/0x360 [ 3989.769384][ T903] netlink_unicast+0x449/0x710 [ 3989.769384][ T903] netlink_sendmsg+0x723/0xbe0 [ 3989.769384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3989.769384][ T903] ___sys_sendmsg+0xee/0x170 [ 3989.769384][ T903] __sys_sendmsg+0xcd/0x170 [ 3989.769384][ T903] do_syscall_64+0xc6/0x1e0 [ 3989.769384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.769384][ T903] [ 3999.917899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3999.918746][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 3999.918746][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 3999.918746][ T903] ip6_validate_gw+0x3eb/0x790 [ 3999.918746][ T903] fib6_nh_init+0xa5b/0x15b0 [ 3999.918746][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3999.918746][ T903] ip6_route_add+0x1c/0x140 [ 3999.918746][ T903] inet6_rtm_newroute+0x104/0x110 [ 3999.918746][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.918746][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.918746][ T903] netlink_unicast+0x449/0x710 [ 3999.918746][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.918746][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.918746][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.918746][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.918746][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.918746][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.918746][ T903] [ 3999.920820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3999.920820][ T903] netdev_get_by_index+0x5e/0x80 [ 3999.920820][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3999.920820][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3999.920820][ T903] ip6_route_add+0x1c/0x140 [ 3999.920820][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 3999.920820][ T903] inet6_addr_add+0x4f8/0xa40 [ 3999.920820][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.920820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.920820][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.920820][ T903] netlink_unicast+0x449/0x710 [ 3999.920820][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.920820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.920820][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.920820][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.920820][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.920820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.920820][ T903] [ 3999.923002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3999.923002][ T903] netdev_get_by_index+0x5e/0x80 [ 3999.923002][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3999.923002][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3999.923002][ T903] addrconf_f6i_alloc+0x244/0x410 [ 3999.923002][ T903] ipv6_add_addr+0x411/0x2000 [ 3999.923002][ T903] inet6_addr_add+0x30e/0xa40 [ 3999.923002][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.923002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.923002][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.923002][ T903] netlink_unicast+0x449/0x710 [ 3999.923002][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.923002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.923002][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.923002][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.923002][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.923002][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.923002][ T903] [ 3999.925400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3999.925400][ T903] netdev_get_by_index+0x5e/0x80 [ 3999.925400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 3999.925400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 3999.925400][ T903] ip6_route_add+0x1c/0x140 [ 3999.925400][ T903] addrconf_add_mroute+0x129/0x180 [ 3999.925400][ T903] addrconf_add_dev+0xe2/0x170 [ 3999.925400][ T903] inet6_addr_add+0x12f/0xa40 [ 3999.925400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.925400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.925400][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.925400][ T903] netlink_unicast+0x449/0x710 [ 3999.925400][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.925400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.925400][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.925400][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.925400][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.925400][ T903] [ 3999.927770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3999.927770][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 3999.927770][ T903] ipv6_find_idev+0x102/0x170 [ 3999.927770][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.927770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.927770][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.927770][ T903] netlink_unicast+0x449/0x710 [ 3999.927770][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.927770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.927770][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.927770][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.927770][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.927770][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.927770][ T903] [ 3999.929460][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 3999.929460][ T903] neigh_parms_alloc+0x1e5/0x510 [ 3999.929460][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 3999.929460][ T903] ipv6_find_idev+0x102/0x170 [ 3999.929460][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.929460][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.929460][ T903] netlink_rcv_skb+0x130/0x360 [ 3999.929460][ T903] netlink_unicast+0x449/0x710 [ 3999.929460][ T903] netlink_sendmsg+0x723/0xbe0 [ 3999.929460][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 3999.929460][ T903] ___sys_sendmsg+0xee/0x170 [ 3999.929460][ T903] __sys_sendmsg+0xcd/0x170 [ 3999.929460][ T903] do_syscall_64+0xc6/0x1e0 [ 3999.929460][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.929460][ T903] [ 4010.141824][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4010.142346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4010.142346][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4010.142346][ T903] ip6_validate_gw+0x3eb/0x790 [ 4010.142346][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4010.142346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4010.142346][ T903] ip6_route_add+0x1c/0x140 [ 4010.142346][ T903] inet6_rtm_newroute+0x104/0x110 [ 4010.142346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.142346][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.142346][ T903] netlink_unicast+0x449/0x710 [ 4010.142346][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.142346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.142346][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.142346][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.142346][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.142346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.142346][ T903] [ 4010.144521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4010.144521][ T903] netdev_get_by_index+0x5e/0x80 [ 4010.144521][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4010.144521][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4010.144521][ T903] ip6_route_add+0x1c/0x140 [ 4010.144521][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4010.144521][ T903] inet6_addr_add+0x4f8/0xa40 [ 4010.144521][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.144521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.144521][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.144521][ T903] netlink_unicast+0x449/0x710 [ 4010.144521][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.144521][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.144521][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.144521][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.144521][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.144521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.144521][ T903] [ 4010.146737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4010.146737][ T903] netdev_get_by_index+0x5e/0x80 [ 4010.146737][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4010.146737][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4010.146737][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4010.146737][ T903] ipv6_add_addr+0x411/0x2000 [ 4010.146737][ T903] inet6_addr_add+0x30e/0xa40 [ 4010.146737][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.146737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.146737][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.146737][ T903] netlink_unicast+0x449/0x710 [ 4010.146737][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.146737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.146737][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.146737][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.146737][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.146737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.146737][ T903] [ 4010.148957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4010.148957][ T903] netdev_get_by_index+0x5e/0x80 [ 4010.148957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4010.148957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4010.148957][ T903] ip6_route_add+0x1c/0x140 [ 4010.148957][ T903] addrconf_add_mroute+0x129/0x180 [ 4010.148957][ T903] addrconf_add_dev+0xe2/0x170 [ 4010.148957][ T903] inet6_addr_add+0x12f/0xa40 [ 4010.148957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4010.148957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.148957][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.148957][ T903] netlink_unicast+0x449/0x710 [ 4010.148957][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.148957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.148957][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.148957][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.148957][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.148957][ T903] [ 4010.151142][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4010.151142][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4010.151142][ T903] ipv6_find_idev+0x102/0x170 [ 4010.151142][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4010.151142][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.151142][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.151142][ T903] netlink_unicast+0x449/0x710 [ 4010.151142][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.151142][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.151142][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.151142][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.151142][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.151142][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.151142][ T903] [ 4010.152842][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4010.152842][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4010.152842][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4010.152842][ T903] ipv6_find_idev+0x102/0x170 [ 4010.152842][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4010.152842][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4010.152842][ T903] netlink_rcv_skb+0x130/0x360 [ 4010.152842][ T903] netlink_unicast+0x449/0x710 [ 4010.152842][ T903] netlink_sendmsg+0x723/0xbe0 [ 4010.152842][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4010.152842][ T903] ___sys_sendmsg+0xee/0x170 [ 4010.152842][ T903] __sys_sendmsg+0xcd/0x170 [ 4010.152842][ T903] do_syscall_64+0xc6/0x1e0 [ 4010.152842][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4010.152842][ T903] [ 4020.397799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4020.398320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4020.398320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4020.398320][ T903] ip6_validate_gw+0x3eb/0x790 [ 4020.398320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4020.398320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4020.398320][ T903] ip6_route_add+0x1c/0x140 [ 4020.398320][ T903] inet6_rtm_newroute+0x104/0x110 [ 4020.398320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.398320][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.398320][ T903] netlink_unicast+0x449/0x710 [ 4020.398320][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.398320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.398320][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.398320][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.398320][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.398320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.398320][ T903] [ 4020.400447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4020.400447][ T903] netdev_get_by_index+0x5e/0x80 [ 4020.400447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4020.400447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4020.400447][ T903] ip6_route_add+0x1c/0x140 [ 4020.400447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4020.400447][ T903] inet6_addr_add+0x4f8/0xa40 [ 4020.400447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.400447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.400447][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.400447][ T903] netlink_unicast+0x449/0x710 [ 4020.400447][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.400447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.400447][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.400447][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.400447][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.400447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.400447][ T903] [ 4020.402685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4020.402685][ T903] netdev_get_by_index+0x5e/0x80 [ 4020.402685][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4020.402685][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4020.402685][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4020.402685][ T903] ipv6_add_addr+0x411/0x2000 [ 4020.402685][ T903] inet6_addr_add+0x30e/0xa40 [ 4020.402685][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.402685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.402685][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.402685][ T903] netlink_unicast+0x449/0x710 [ 4020.402685][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.402685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.402685][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.402685][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.402685][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.402685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.402685][ T903] [ 4020.404908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4020.404908][ T903] netdev_get_by_index+0x5e/0x80 [ 4020.404908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4020.404908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4020.404908][ T903] ip6_route_add+0x1c/0x140 [ 4020.404908][ T903] addrconf_add_mroute+0x129/0x180 [ 4020.404908][ T903] addrconf_add_dev+0xe2/0x170 [ 4020.404908][ T903] inet6_addr_add+0x12f/0xa40 [ 4020.404908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4020.404908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.404908][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.404908][ T903] netlink_unicast+0x449/0x710 [ 4020.404908][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.404908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.404908][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.404908][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.404908][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.404908][ T903] [ 4020.407065][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4020.407065][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4020.407065][ T903] ipv6_find_idev+0x102/0x170 [ 4020.407065][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4020.407065][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.407065][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.407065][ T903] netlink_unicast+0x449/0x710 [ 4020.407065][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.407065][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.407065][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.407065][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.407065][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.407065][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.407065][ T903] [ 4020.408876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4020.408876][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4020.408876][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4020.408876][ T903] ipv6_find_idev+0x102/0x170 [ 4020.408876][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4020.408876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4020.408876][ T903] netlink_rcv_skb+0x130/0x360 [ 4020.408876][ T903] netlink_unicast+0x449/0x710 [ 4020.408876][ T903] netlink_sendmsg+0x723/0xbe0 [ 4020.408876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4020.408876][ T903] ___sys_sendmsg+0xee/0x170 [ 4020.408876][ T903] __sys_sendmsg+0xcd/0x170 [ 4020.408876][ T903] do_syscall_64+0xc6/0x1e0 [ 4020.408876][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4020.408876][ T903] [ 4030.653866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4030.654910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4030.654910][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4030.654910][ T903] ip6_validate_gw+0x3eb/0x790 [ 4030.654910][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4030.654910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4030.654910][ T903] ip6_route_add+0x1c/0x140 [ 4030.654910][ T903] inet6_rtm_newroute+0x104/0x110 [ 4030.654910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.654910][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.654910][ T903] netlink_unicast+0x449/0x710 [ 4030.654910][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.654910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.654910][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.654910][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.654910][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.654910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.654910][ T903] [ 4030.657015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4030.657015][ T903] netdev_get_by_index+0x5e/0x80 [ 4030.657015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4030.657015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4030.657015][ T903] ip6_route_add+0x1c/0x140 [ 4030.657015][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4030.657015][ T903] inet6_addr_add+0x4f8/0xa40 [ 4030.657015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.657015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.657015][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.657015][ T903] netlink_unicast+0x449/0x710 [ 4030.657015][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.657015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.657015][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.657015][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.657015][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.657015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.657015][ T903] [ 4030.659209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4030.659209][ T903] netdev_get_by_index+0x5e/0x80 [ 4030.659209][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4030.659209][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4030.659209][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4030.659209][ T903] ipv6_add_addr+0x411/0x2000 [ 4030.659209][ T903] inet6_addr_add+0x30e/0xa40 [ 4030.659209][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.659209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.659209][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.659209][ T903] netlink_unicast+0x449/0x710 [ 4030.659209][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.659209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.659209][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.659209][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.659209][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.659209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.659209][ T903] [ 4030.661398][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4030.661398][ T903] netdev_get_by_index+0x5e/0x80 [ 4030.661398][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4030.661398][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4030.661398][ T903] ip6_route_add+0x1c/0x140 [ 4030.661398][ T903] addrconf_add_mroute+0x129/0x180 [ 4030.661398][ T903] addrconf_add_dev+0xe2/0x170 [ 4030.661398][ T903] inet6_addr_add+0x12f/0xa40 [ 4030.661398][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.661398][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.661398][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.661398][ T903] netlink_unicast+0x449/0x710 [ 4030.661398][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.661398][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.661398][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.661398][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.661398][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.661398][ T903] [ 4030.663562][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4030.663562][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4030.663562][ T903] ipv6_find_idev+0x102/0x170 [ 4030.663562][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4030.663562][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.663562][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.663562][ T903] netlink_unicast+0x449/0x710 [ 4030.663562][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.663562][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.663562][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.663562][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.663562][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.663562][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.663562][ T903] [ 4030.665250][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4030.665250][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4030.665250][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4030.665250][ T903] ipv6_find_idev+0x102/0x170 [ 4030.665250][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4030.665250][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.665250][ T903] netlink_rcv_skb+0x130/0x360 [ 4030.665250][ T903] netlink_unicast+0x449/0x710 [ 4030.665250][ T903] netlink_sendmsg+0x723/0xbe0 [ 4030.665250][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4030.665250][ T903] ___sys_sendmsg+0xee/0x170 [ 4030.665250][ T903] __sys_sendmsg+0xcd/0x170 [ 4030.665250][ T903] do_syscall_64+0xc6/0x1e0 [ 4030.665250][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.665250][ T903] [ 4040.909885][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4040.910707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4040.910707][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4040.910707][ T903] ip6_validate_gw+0x3eb/0x790 [ 4040.910707][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4040.910707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4040.910707][ T903] ip6_route_add+0x1c/0x140 [ 4040.910707][ T903] inet6_rtm_newroute+0x104/0x110 [ 4040.910707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.910707][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.910707][ T903] netlink_unicast+0x449/0x710 [ 4040.910707][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.910707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.910707][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.910707][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.910707][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.910707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.910707][ T903] [ 4040.912772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4040.912772][ T903] netdev_get_by_index+0x5e/0x80 [ 4040.912772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4040.912772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4040.912772][ T903] ip6_route_add+0x1c/0x140 [ 4040.912772][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4040.912772][ T903] inet6_addr_add+0x4f8/0xa40 [ 4040.912772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.912772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.912772][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.912772][ T903] netlink_unicast+0x449/0x710 [ 4040.912772][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.912772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.912772][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.912772][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.912772][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.912772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.912772][ T903] [ 4040.914984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4040.914984][ T903] netdev_get_by_index+0x5e/0x80 [ 4040.914984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4040.914984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4040.914984][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4040.914984][ T903] ipv6_add_addr+0x411/0x2000 [ 4040.914984][ T903] inet6_addr_add+0x30e/0xa40 [ 4040.914984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.914984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.914984][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.914984][ T903] netlink_unicast+0x449/0x710 [ 4040.914984][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.914984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.914984][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.914984][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.914984][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.914984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.914984][ T903] [ 4040.917126][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4040.917126][ T903] netdev_get_by_index+0x5e/0x80 [ 4040.917126][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4040.917126][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4040.917126][ T903] ip6_route_add+0x1c/0x140 [ 4040.917126][ T903] addrconf_add_mroute+0x129/0x180 [ 4040.917126][ T903] addrconf_add_dev+0xe2/0x170 [ 4040.917126][ T903] inet6_addr_add+0x12f/0xa40 [ 4040.917126][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.917126][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.917126][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.917126][ T903] netlink_unicast+0x449/0x710 [ 4040.917126][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.917126][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.917126][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.917126][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.917126][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.917126][ T903] [ 4040.919219][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4040.919219][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4040.919219][ T903] ipv6_find_idev+0x102/0x170 [ 4040.919219][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.919219][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.919219][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.919219][ T903] netlink_unicast+0x449/0x710 [ 4040.919219][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.919219][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.919219][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.919219][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.919219][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.919219][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.919219][ T903] [ 4040.920859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4040.920859][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4040.920859][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4040.920859][ T903] ipv6_find_idev+0x102/0x170 [ 4040.920859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.920859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.920859][ T903] netlink_rcv_skb+0x130/0x360 [ 4040.920859][ T903] netlink_unicast+0x449/0x710 [ 4040.920859][ T903] netlink_sendmsg+0x723/0xbe0 [ 4040.920859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4040.920859][ T903] ___sys_sendmsg+0xee/0x170 [ 4040.920859][ T903] __sys_sendmsg+0xcd/0x170 [ 4040.920859][ T903] do_syscall_64+0xc6/0x1e0 [ 4040.920859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.920859][ T903] [ 4051.165886][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4051.166646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4051.166646][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4051.166646][ T903] ip6_validate_gw+0x3eb/0x790 [ 4051.166646][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4051.166646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4051.166646][ T903] ip6_route_add+0x1c/0x140 [ 4051.166646][ T903] inet6_rtm_newroute+0x104/0x110 [ 4051.166646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.166646][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.166646][ T903] netlink_unicast+0x449/0x710 [ 4051.166646][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.166646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.166646][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.166646][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.166646][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.166646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.166646][ T903] [ 4051.168731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4051.168731][ T903] netdev_get_by_index+0x5e/0x80 [ 4051.168731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4051.168731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4051.168731][ T903] ip6_route_add+0x1c/0x140 [ 4051.168731][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4051.168731][ T903] inet6_addr_add+0x4f8/0xa40 [ 4051.168731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.168731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.168731][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.168731][ T903] netlink_unicast+0x449/0x710 [ 4051.168731][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.168731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.168731][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.168731][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.168731][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.168731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.168731][ T903] [ 4051.170881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4051.170881][ T903] netdev_get_by_index+0x5e/0x80 [ 4051.170881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4051.170881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4051.170881][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4051.170881][ T903] ipv6_add_addr+0x411/0x2000 [ 4051.170881][ T903] inet6_addr_add+0x30e/0xa40 [ 4051.170881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.170881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.170881][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.170881][ T903] netlink_unicast+0x449/0x710 [ 4051.170881][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.170881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.170881][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.170881][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.170881][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.170881][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.170881][ T903] [ 4051.173015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4051.173015][ T903] netdev_get_by_index+0x5e/0x80 [ 4051.173015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4051.173015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4051.173015][ T903] ip6_route_add+0x1c/0x140 [ 4051.173015][ T903] addrconf_add_mroute+0x129/0x180 [ 4051.173015][ T903] addrconf_add_dev+0xe2/0x170 [ 4051.173015][ T903] inet6_addr_add+0x12f/0xa40 [ 4051.173015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4051.173015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.173015][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.173015][ T903] netlink_unicast+0x449/0x710 [ 4051.173015][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.173015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.173015][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.173015][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.173015][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.173015][ T903] [ 4051.175184][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4051.175184][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4051.175184][ T903] ipv6_find_idev+0x102/0x170 [ 4051.175184][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4051.175184][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.175184][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.175184][ T903] netlink_unicast+0x449/0x710 [ 4051.175184][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.175184][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.175184][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.175184][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.175184][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.175184][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.175184][ T903] [ 4051.176829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4051.176829][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4051.176829][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4051.176829][ T903] ipv6_find_idev+0x102/0x170 [ 4051.176829][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4051.176829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4051.176829][ T903] netlink_rcv_skb+0x130/0x360 [ 4051.176829][ T903] netlink_unicast+0x449/0x710 [ 4051.176829][ T903] netlink_sendmsg+0x723/0xbe0 [ 4051.176829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4051.176829][ T903] ___sys_sendmsg+0xee/0x170 [ 4051.176829][ T903] __sys_sendmsg+0xcd/0x170 [ 4051.176829][ T903] do_syscall_64+0xc6/0x1e0 [ 4051.176829][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4051.176829][ T903] [ 4061.421863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4061.422538][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4061.422538][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4061.422538][ T903] ip6_validate_gw+0x3eb/0x790 [ 4061.422538][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4061.422538][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4061.422538][ T903] ip6_route_add+0x1c/0x140 [ 4061.422538][ T903] inet6_rtm_newroute+0x104/0x110 [ 4061.422538][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.422538][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.422538][ T903] netlink_unicast+0x449/0x710 [ 4061.422538][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.422538][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.422538][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.422538][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.422538][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.422538][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.422538][ T903] [ 4061.424608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4061.424608][ T903] netdev_get_by_index+0x5e/0x80 [ 4061.424608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4061.424608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4061.424608][ T903] ip6_route_add+0x1c/0x140 [ 4061.424608][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4061.424608][ T903] inet6_addr_add+0x4f8/0xa40 [ 4061.424608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.424608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.424608][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.424608][ T903] netlink_unicast+0x449/0x710 [ 4061.424608][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.424608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.424608][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.424608][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.424608][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.424608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.424608][ T903] [ 4061.426752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4061.426752][ T903] netdev_get_by_index+0x5e/0x80 [ 4061.426752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4061.426752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4061.426752][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4061.426752][ T903] ipv6_add_addr+0x411/0x2000 [ 4061.426752][ T903] inet6_addr_add+0x30e/0xa40 [ 4061.426752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.426752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.426752][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.426752][ T903] netlink_unicast+0x449/0x710 [ 4061.426752][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.426752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.426752][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.426752][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.426752][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.426752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.426752][ T903] [ 4061.428899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4061.428899][ T903] netdev_get_by_index+0x5e/0x80 [ 4061.428899][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4061.428899][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4061.428899][ T903] ip6_route_add+0x1c/0x140 [ 4061.428899][ T903] addrconf_add_mroute+0x129/0x180 [ 4061.428899][ T903] addrconf_add_dev+0xe2/0x170 [ 4061.428899][ T903] inet6_addr_add+0x12f/0xa40 [ 4061.428899][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.428899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.428899][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.428899][ T903] netlink_unicast+0x449/0x710 [ 4061.428899][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.428899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.428899][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.428899][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.428899][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.428899][ T903] [ 4061.431095][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4061.431095][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4061.431095][ T903] ipv6_find_idev+0x102/0x170 [ 4061.431095][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.431095][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.431095][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.431095][ T903] netlink_unicast+0x449/0x710 [ 4061.431095][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.431095][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.431095][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.431095][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.431095][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.431095][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.431095][ T903] [ 4061.432762][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4061.432762][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4061.432762][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4061.432762][ T903] ipv6_find_idev+0x102/0x170 [ 4061.432762][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.432762][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.432762][ T903] netlink_rcv_skb+0x130/0x360 [ 4061.432762][ T903] netlink_unicast+0x449/0x710 [ 4061.432762][ T903] netlink_sendmsg+0x723/0xbe0 [ 4061.432762][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4061.432762][ T903] ___sys_sendmsg+0xee/0x170 [ 4061.432762][ T903] __sys_sendmsg+0xcd/0x170 [ 4061.432762][ T903] do_syscall_64+0xc6/0x1e0 [ 4061.432762][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.432762][ T903] [ 4071.669753][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4071.670345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4071.670345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4071.670345][ T903] ip6_validate_gw+0x3eb/0x790 [ 4071.670345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4071.670345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4071.670345][ T903] ip6_route_add+0x1c/0x140 [ 4071.670345][ T903] inet6_rtm_newroute+0x104/0x110 [ 4071.670345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.670345][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.670345][ T903] netlink_unicast+0x449/0x710 [ 4071.670345][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.670345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.670345][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.670345][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.670345][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.670345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.670345][ T903] [ 4071.672659][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4071.672659][ T903] netdev_get_by_index+0x5e/0x80 [ 4071.672659][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4071.672659][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4071.672659][ T903] ip6_route_add+0x1c/0x140 [ 4071.672659][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4071.672659][ T903] inet6_addr_add+0x4f8/0xa40 [ 4071.672659][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.672659][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.672659][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.672659][ T903] netlink_unicast+0x449/0x710 [ 4071.672659][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.672659][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.672659][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.672659][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.672659][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.672659][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.672659][ T903] [ 4071.675076][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4071.675076][ T903] netdev_get_by_index+0x5e/0x80 [ 4071.675076][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4071.675076][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4071.675076][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4071.675076][ T903] ipv6_add_addr+0x411/0x2000 [ 4071.675076][ T903] inet6_addr_add+0x30e/0xa40 [ 4071.675076][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.675076][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.675076][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.675076][ T903] netlink_unicast+0x449/0x710 [ 4071.675076][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.675076][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.675076][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.675076][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.675076][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.675076][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.675076][ T903] [ 4071.677381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4071.677381][ T903] netdev_get_by_index+0x5e/0x80 [ 4071.677381][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4071.677381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4071.677381][ T903] ip6_route_add+0x1c/0x140 [ 4071.677381][ T903] addrconf_add_mroute+0x129/0x180 [ 4071.677381][ T903] addrconf_add_dev+0xe2/0x170 [ 4071.677381][ T903] inet6_addr_add+0x12f/0xa40 [ 4071.677381][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.677381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.677381][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.677381][ T903] netlink_unicast+0x449/0x710 [ 4071.677381][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.677381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.677381][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.677381][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.677381][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.677381][ T903] [ 4071.679639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4071.679639][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4071.679639][ T903] ipv6_find_idev+0x102/0x170 [ 4071.679639][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4071.679639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.679639][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.679639][ T903] netlink_unicast+0x449/0x710 [ 4071.679639][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.679639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.679639][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.679639][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.679639][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.679639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.679639][ T903] [ 4071.681326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4071.681326][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4071.681326][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4071.681326][ T903] ipv6_find_idev+0x102/0x170 [ 4071.681326][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4071.681326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.681326][ T903] netlink_rcv_skb+0x130/0x360 [ 4071.681326][ T903] netlink_unicast+0x449/0x710 [ 4071.681326][ T903] netlink_sendmsg+0x723/0xbe0 [ 4071.681326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4071.681326][ T903] ___sys_sendmsg+0xee/0x170 [ 4071.681326][ T903] __sys_sendmsg+0xcd/0x170 [ 4071.681326][ T903] do_syscall_64+0xc6/0x1e0 [ 4071.681326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.681326][ T903] [ 4081.925908][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4081.926381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4081.926381][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4081.926381][ T903] ip6_validate_gw+0x3eb/0x790 [ 4081.926381][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4081.926381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4081.926381][ T903] ip6_route_add+0x1c/0x140 [ 4081.926381][ T903] inet6_rtm_newroute+0x104/0x110 [ 4081.926381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.926381][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.926381][ T903] netlink_unicast+0x449/0x710 [ 4081.926381][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.926381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.926381][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.926381][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.926381][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.926381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.926381][ T903] [ 4081.928533][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4081.928533][ T903] netdev_get_by_index+0x5e/0x80 [ 4081.928533][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4081.928533][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4081.928533][ T903] ip6_route_add+0x1c/0x140 [ 4081.928533][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4081.928533][ T903] inet6_addr_add+0x4f8/0xa40 [ 4081.928533][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.928533][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.928533][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.928533][ T903] netlink_unicast+0x449/0x710 [ 4081.928533][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.928533][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.928533][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.928533][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.928533][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.928533][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.928533][ T903] [ 4081.930778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4081.930778][ T903] netdev_get_by_index+0x5e/0x80 [ 4081.930778][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4081.930778][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4081.930778][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4081.930778][ T903] ipv6_add_addr+0x411/0x2000 [ 4081.930778][ T903] inet6_addr_add+0x30e/0xa40 [ 4081.930778][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.930778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.930778][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.930778][ T903] netlink_unicast+0x449/0x710 [ 4081.930778][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.930778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.930778][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.930778][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.930778][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.930778][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.930778][ T903] [ 4081.933048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4081.933048][ T903] netdev_get_by_index+0x5e/0x80 [ 4081.933048][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4081.933048][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4081.933048][ T903] ip6_route_add+0x1c/0x140 [ 4081.933048][ T903] addrconf_add_mroute+0x129/0x180 [ 4081.933048][ T903] addrconf_add_dev+0xe2/0x170 [ 4081.933048][ T903] inet6_addr_add+0x12f/0xa40 [ 4081.933048][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.933048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.933048][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.933048][ T903] netlink_unicast+0x449/0x710 [ 4081.933048][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.933048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.933048][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.933048][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.933048][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.933048][ T903] [ 4081.935275][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4081.935275][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4081.935275][ T903] ipv6_find_idev+0x102/0x170 [ 4081.935275][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.935275][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.935275][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.935275][ T903] netlink_unicast+0x449/0x710 [ 4081.935275][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.935275][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.935275][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.935275][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.935275][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.935275][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.935275][ T903] [ 4081.937006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4081.937006][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4081.937006][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4081.937006][ T903] ipv6_find_idev+0x102/0x170 [ 4081.937006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.937006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.937006][ T903] netlink_rcv_skb+0x130/0x360 [ 4081.937006][ T903] netlink_unicast+0x449/0x710 [ 4081.937006][ T903] netlink_sendmsg+0x723/0xbe0 [ 4081.937006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4081.937006][ T903] ___sys_sendmsg+0xee/0x170 [ 4081.937006][ T903] __sys_sendmsg+0xcd/0x170 [ 4081.937006][ T903] do_syscall_64+0xc6/0x1e0 [ 4081.937006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.937006][ T903] [ 4092.181803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4092.182330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4092.182330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4092.182330][ T903] ip6_validate_gw+0x3eb/0x790 [ 4092.182330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4092.182330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4092.182330][ T903] ip6_route_add+0x1c/0x140 [ 4092.182330][ T903] inet6_rtm_newroute+0x104/0x110 [ 4092.182330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.182330][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.182330][ T903] netlink_unicast+0x449/0x710 [ 4092.182330][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.182330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.182330][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.182330][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.182330][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.182330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.182330][ T903] [ 4092.184472][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4092.184472][ T903] netdev_get_by_index+0x5e/0x80 [ 4092.184472][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4092.184472][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4092.184472][ T903] ip6_route_add+0x1c/0x140 [ 4092.184472][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4092.184472][ T903] inet6_addr_add+0x4f8/0xa40 [ 4092.184472][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.184472][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.184472][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.184472][ T903] netlink_unicast+0x449/0x710 [ 4092.184472][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.184472][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.184472][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.184472][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.184472][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.184472][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.184472][ T903] [ 4092.186707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4092.186707][ T903] netdev_get_by_index+0x5e/0x80 [ 4092.186707][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4092.186707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4092.186707][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4092.186707][ T903] ipv6_add_addr+0x411/0x2000 [ 4092.186707][ T903] inet6_addr_add+0x30e/0xa40 [ 4092.186707][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.186707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.186707][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.186707][ T903] netlink_unicast+0x449/0x710 [ 4092.186707][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.186707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.186707][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.186707][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.186707][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.186707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.186707][ T903] [ 4092.188955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4092.188955][ T903] netdev_get_by_index+0x5e/0x80 [ 4092.188955][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4092.188955][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4092.188955][ T903] ip6_route_add+0x1c/0x140 [ 4092.188955][ T903] addrconf_add_mroute+0x129/0x180 [ 4092.188955][ T903] addrconf_add_dev+0xe2/0x170 [ 4092.188955][ T903] inet6_addr_add+0x12f/0xa40 [ 4092.188955][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4092.188955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.188955][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.188955][ T903] netlink_unicast+0x449/0x710 [ 4092.188955][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.188955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.188955][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.188955][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.188955][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.188955][ T903] [ 4092.191137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4092.191137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4092.191137][ T903] ipv6_find_idev+0x102/0x170 [ 4092.191137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4092.191137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.191137][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.191137][ T903] netlink_unicast+0x449/0x710 [ 4092.191137][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.191137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.191137][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.191137][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.191137][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.191137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.191137][ T903] [ 4092.192876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4092.192876][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4092.192876][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4092.192876][ T903] ipv6_find_idev+0x102/0x170 [ 4092.192876][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4092.192876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4092.192876][ T903] netlink_rcv_skb+0x130/0x360 [ 4092.192876][ T903] netlink_unicast+0x449/0x710 [ 4092.192876][ T903] netlink_sendmsg+0x723/0xbe0 [ 4092.192876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4092.192876][ T903] ___sys_sendmsg+0xee/0x170 [ 4092.192876][ T903] __sys_sendmsg+0xcd/0x170 [ 4092.192876][ T903] do_syscall_64+0xc6/0x1e0 [ 4092.192876][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4092.192876][ T903] [ 4102.437809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4102.438279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4102.438279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4102.438279][ T903] ip6_validate_gw+0x3eb/0x790 [ 4102.438279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4102.438279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4102.438279][ T903] ip6_route_add+0x1c/0x140 [ 4102.438279][ T903] inet6_rtm_newroute+0x104/0x110 [ 4102.438279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.438279][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.438279][ T903] netlink_unicast+0x449/0x710 [ 4102.438279][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.438279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.438279][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.438279][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.438279][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.438279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.438279][ T903] [ 4102.440390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4102.440390][ T903] netdev_get_by_index+0x5e/0x80 [ 4102.440390][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4102.440390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4102.440390][ T903] ip6_route_add+0x1c/0x140 [ 4102.440390][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4102.440390][ T903] inet6_addr_add+0x4f8/0xa40 [ 4102.440390][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.440390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.440390][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.440390][ T903] netlink_unicast+0x449/0x710 [ 4102.440390][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.440390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.440390][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.440390][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.440390][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.440390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.440390][ T903] [ 4102.443118][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4102.443118][ T903] netdev_get_by_index+0x5e/0x80 [ 4102.443118][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4102.443118][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4102.443118][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4102.443118][ T903] ipv6_add_addr+0x411/0x2000 [ 4102.443118][ T903] inet6_addr_add+0x30e/0xa40 [ 4102.443118][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.443118][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.443118][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.443118][ T903] netlink_unicast+0x449/0x710 [ 4102.443118][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.443118][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.443118][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.443118][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.443118][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.443118][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.443118][ T903] [ 4102.445370][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4102.445370][ T903] netdev_get_by_index+0x5e/0x80 [ 4102.445370][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4102.445370][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4102.445370][ T903] ip6_route_add+0x1c/0x140 [ 4102.445370][ T903] addrconf_add_mroute+0x129/0x180 [ 4102.445370][ T903] addrconf_add_dev+0xe2/0x170 [ 4102.445370][ T903] inet6_addr_add+0x12f/0xa40 [ 4102.445370][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.445370][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.445370][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.445370][ T903] netlink_unicast+0x449/0x710 [ 4102.445370][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.445370][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.445370][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.445370][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.445370][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.445370][ T903] [ 4102.447554][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4102.447554][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4102.447554][ T903] ipv6_find_idev+0x102/0x170 [ 4102.447554][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.447554][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.447554][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.447554][ T903] netlink_unicast+0x449/0x710 [ 4102.447554][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.447554][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.447554][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.447554][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.447554][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.447554][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.447554][ T903] [ 4102.449257][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4102.449257][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4102.449257][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4102.449257][ T903] ipv6_find_idev+0x102/0x170 [ 4102.449257][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.449257][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.449257][ T903] netlink_rcv_skb+0x130/0x360 [ 4102.449257][ T903] netlink_unicast+0x449/0x710 [ 4102.449257][ T903] netlink_sendmsg+0x723/0xbe0 [ 4102.449257][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4102.449257][ T903] ___sys_sendmsg+0xee/0x170 [ 4102.449257][ T903] __sys_sendmsg+0xcd/0x170 [ 4102.449257][ T903] do_syscall_64+0xc6/0x1e0 [ 4102.449257][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.449257][ T903] [ 4112.693837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4112.694284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4112.694284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4112.694284][ T903] ip6_validate_gw+0x3eb/0x790 [ 4112.694284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4112.694284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4112.694284][ T903] ip6_route_add+0x1c/0x140 [ 4112.694284][ T903] inet6_rtm_newroute+0x104/0x110 [ 4112.694284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.694284][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.694284][ T903] netlink_unicast+0x449/0x710 [ 4112.694284][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.694284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.694284][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.694284][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.694284][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.694284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.694284][ T903] [ 4112.696357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4112.696357][ T903] netdev_get_by_index+0x5e/0x80 [ 4112.696357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4112.696357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4112.696357][ T903] ip6_route_add+0x1c/0x140 [ 4112.696357][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4112.696357][ T903] inet6_addr_add+0x4f8/0xa40 [ 4112.696357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.696357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.696357][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.696357][ T903] netlink_unicast+0x449/0x710 [ 4112.696357][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.696357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.696357][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.696357][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.696357][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.696357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.696357][ T903] [ 4112.698546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4112.698546][ T903] netdev_get_by_index+0x5e/0x80 [ 4112.698546][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4112.698546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4112.698546][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4112.698546][ T903] ipv6_add_addr+0x411/0x2000 [ 4112.698546][ T903] inet6_addr_add+0x30e/0xa40 [ 4112.698546][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.698546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.698546][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.698546][ T903] netlink_unicast+0x449/0x710 [ 4112.698546][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.698546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.698546][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.698546][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.698546][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.698546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.698546][ T903] [ 4112.700730][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4112.700730][ T903] netdev_get_by_index+0x5e/0x80 [ 4112.700730][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4112.700730][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4112.700730][ T903] ip6_route_add+0x1c/0x140 [ 4112.700730][ T903] addrconf_add_mroute+0x129/0x180 [ 4112.700730][ T903] addrconf_add_dev+0xe2/0x170 [ 4112.700730][ T903] inet6_addr_add+0x12f/0xa40 [ 4112.700730][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.700730][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.700730][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.700730][ T903] netlink_unicast+0x449/0x710 [ 4112.700730][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.700730][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.700730][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.700730][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.700730][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.700730][ T903] [ 4112.702890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4112.702890][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4112.702890][ T903] ipv6_find_idev+0x102/0x170 [ 4112.702890][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4112.702890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.702890][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.702890][ T903] netlink_unicast+0x449/0x710 [ 4112.702890][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.702890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.702890][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.702890][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.702890][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.702890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.702890][ T903] [ 4112.704574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4112.704574][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4112.704574][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4112.704574][ T903] ipv6_find_idev+0x102/0x170 [ 4112.704574][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4112.704574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.704574][ T903] netlink_rcv_skb+0x130/0x360 [ 4112.704574][ T903] netlink_unicast+0x449/0x710 [ 4112.704574][ T903] netlink_sendmsg+0x723/0xbe0 [ 4112.704574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4112.704574][ T903] ___sys_sendmsg+0xee/0x170 [ 4112.704574][ T903] __sys_sendmsg+0xcd/0x170 [ 4112.704574][ T903] do_syscall_64+0xc6/0x1e0 [ 4112.704574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.704574][ T903] [ 4122.757807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4122.758256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4122.758256][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4122.758256][ T903] ip6_validate_gw+0x3eb/0x790 [ 4122.758256][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4122.758256][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4122.758256][ T903] ip6_route_add+0x1c/0x140 [ 4122.758256][ T903] inet6_rtm_newroute+0x104/0x110 [ 4122.758256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.758256][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.758256][ T903] netlink_unicast+0x449/0x710 [ 4122.758256][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.758256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.758256][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.758256][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.758256][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.758256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.758256][ T903] [ 4122.760350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4122.760350][ T903] netdev_get_by_index+0x5e/0x80 [ 4122.760350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4122.760350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4122.760350][ T903] ip6_route_add+0x1c/0x140 [ 4122.760350][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4122.760350][ T903] inet6_addr_add+0x4f8/0xa40 [ 4122.760350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.760350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.760350][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.760350][ T903] netlink_unicast+0x449/0x710 [ 4122.760350][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.760350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.760350][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.760350][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.760350][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.760350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.760350][ T903] [ 4122.762544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4122.762544][ T903] netdev_get_by_index+0x5e/0x80 [ 4122.762544][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4122.762544][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4122.762544][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4122.762544][ T903] ipv6_add_addr+0x411/0x2000 [ 4122.762544][ T903] inet6_addr_add+0x30e/0xa40 [ 4122.762544][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.762544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.762544][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.762544][ T903] netlink_unicast+0x449/0x710 [ 4122.762544][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.762544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.762544][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.762544][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.762544][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.762544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.762544][ T903] [ 4122.764750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4122.764750][ T903] netdev_get_by_index+0x5e/0x80 [ 4122.764750][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4122.764750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4122.764750][ T903] ip6_route_add+0x1c/0x140 [ 4122.764750][ T903] addrconf_add_mroute+0x129/0x180 [ 4122.764750][ T903] addrconf_add_dev+0xe2/0x170 [ 4122.764750][ T903] inet6_addr_add+0x12f/0xa40 [ 4122.764750][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.764750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.764750][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.764750][ T903] netlink_unicast+0x449/0x710 [ 4122.764750][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.764750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.764750][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.764750][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.764750][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.764750][ T903] [ 4122.766919][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4122.766919][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4122.766919][ T903] ipv6_find_idev+0x102/0x170 [ 4122.766919][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.766919][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.766919][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.766919][ T903] netlink_unicast+0x449/0x710 [ 4122.766919][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.766919][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.766919][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.766919][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.766919][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.766919][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.766919][ T903] [ 4122.768601][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4122.768601][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4122.768601][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4122.768601][ T903] ipv6_find_idev+0x102/0x170 [ 4122.768601][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.768601][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.768601][ T903] netlink_rcv_skb+0x130/0x360 [ 4122.768601][ T903] netlink_unicast+0x449/0x710 [ 4122.768601][ T903] netlink_sendmsg+0x723/0xbe0 [ 4122.768601][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4122.768601][ T903] ___sys_sendmsg+0xee/0x170 [ 4122.768601][ T903] __sys_sendmsg+0xcd/0x170 [ 4122.768601][ T903] do_syscall_64+0xc6/0x1e0 [ 4122.768601][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.768601][ T903] [ 4133.021728][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4133.022221][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4133.022221][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4133.022221][ T903] ip6_validate_gw+0x3eb/0x790 [ 4133.022221][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4133.022221][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4133.022221][ T903] ip6_route_add+0x1c/0x140 [ 4133.022221][ T903] inet6_rtm_newroute+0x104/0x110 [ 4133.022221][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.022221][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.022221][ T903] netlink_unicast+0x449/0x710 [ 4133.022221][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.022221][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.022221][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.022221][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.022221][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.022221][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.022221][ T903] [ 4133.024391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4133.024391][ T903] netdev_get_by_index+0x5e/0x80 [ 4133.024391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4133.024391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4133.024391][ T903] ip6_route_add+0x1c/0x140 [ 4133.024391][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4133.024391][ T903] inet6_addr_add+0x4f8/0xa40 [ 4133.024391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.024391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.024391][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.024391][ T903] netlink_unicast+0x449/0x710 [ 4133.024391][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.024391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.024391][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.024391][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.024391][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.024391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.024391][ T903] [ 4133.026759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4133.026759][ T903] netdev_get_by_index+0x5e/0x80 [ 4133.026759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4133.026759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4133.026759][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4133.026759][ T903] ipv6_add_addr+0x411/0x2000 [ 4133.026759][ T903] inet6_addr_add+0x30e/0xa40 [ 4133.026759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.026759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.026759][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.026759][ T903] netlink_unicast+0x449/0x710 [ 4133.026759][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.026759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.026759][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.026759][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.026759][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.026759][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.026759][ T903] [ 4133.029136][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4133.029136][ T903] netdev_get_by_index+0x5e/0x80 [ 4133.029136][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4133.029136][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4133.029136][ T903] ip6_route_add+0x1c/0x140 [ 4133.029136][ T903] addrconf_add_mroute+0x129/0x180 [ 4133.029136][ T903] addrconf_add_dev+0xe2/0x170 [ 4133.029136][ T903] inet6_addr_add+0x12f/0xa40 [ 4133.029136][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4133.029136][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.029136][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.029136][ T903] netlink_unicast+0x449/0x710 [ 4133.029136][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.029136][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.029136][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.029136][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.029136][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.029136][ T903] [ 4133.031402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4133.031402][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4133.031402][ T903] ipv6_find_idev+0x102/0x170 [ 4133.031402][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4133.031402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.031402][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.031402][ T903] netlink_unicast+0x449/0x710 [ 4133.031402][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.031402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.031402][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.031402][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.031402][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.031402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.031402][ T903] [ 4133.033228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4133.033228][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4133.033228][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4133.033228][ T903] ipv6_find_idev+0x102/0x170 [ 4133.033228][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4133.033228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4133.033228][ T903] netlink_rcv_skb+0x130/0x360 [ 4133.033228][ T903] netlink_unicast+0x449/0x710 [ 4133.033228][ T903] netlink_sendmsg+0x723/0xbe0 [ 4133.033228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4133.033228][ T903] ___sys_sendmsg+0xee/0x170 [ 4133.033228][ T903] __sys_sendmsg+0xcd/0x170 [ 4133.033228][ T903] do_syscall_64+0xc6/0x1e0 [ 4133.033228][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4133.033228][ T903] [ 4143.285764][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4143.286451][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4143.286451][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4143.286451][ T903] ip6_validate_gw+0x3eb/0x790 [ 4143.286451][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4143.286451][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4143.286451][ T903] ip6_route_add+0x1c/0x140 [ 4143.286451][ T903] inet6_rtm_newroute+0x104/0x110 [ 4143.286451][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.286451][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.286451][ T903] netlink_unicast+0x449/0x710 [ 4143.286451][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.286451][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.286451][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.286451][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.286451][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.286451][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.286451][ T903] [ 4143.289663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4143.289663][ T903] netdev_get_by_index+0x5e/0x80 [ 4143.289663][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4143.289663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4143.289663][ T903] ip6_route_add+0x1c/0x140 [ 4143.289663][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4143.289663][ T903] inet6_addr_add+0x4f8/0xa40 [ 4143.289663][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.289663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.289663][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.289663][ T903] netlink_unicast+0x449/0x710 [ 4143.289663][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.289663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.289663][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.289663][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.289663][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.289663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.289663][ T903] [ 4143.293131][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4143.293131][ T903] netdev_get_by_index+0x5e/0x80 [ 4143.293131][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4143.293131][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4143.293131][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4143.293131][ T903] ipv6_add_addr+0x411/0x2000 [ 4143.293131][ T903] inet6_addr_add+0x30e/0xa40 [ 4143.293131][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.293131][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.293131][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.293131][ T903] netlink_unicast+0x449/0x710 [ 4143.293131][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.293131][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.293131][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.293131][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.293131][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.293131][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.293131][ T903] [ 4143.296708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4143.296708][ T903] netdev_get_by_index+0x5e/0x80 [ 4143.296708][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4143.296708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4143.296708][ T903] ip6_route_add+0x1c/0x140 [ 4143.296708][ T903] addrconf_add_mroute+0x129/0x180 [ 4143.296708][ T903] addrconf_add_dev+0xe2/0x170 [ 4143.296708][ T903] inet6_addr_add+0x12f/0xa40 [ 4143.296708][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.296708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.296708][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.296708][ T903] netlink_unicast+0x449/0x710 [ 4143.296708][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.296708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.296708][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.296708][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.296708][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.296708][ T903] [ 4143.300231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4143.300231][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4143.300231][ T903] ipv6_find_idev+0x102/0x170 [ 4143.300231][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.300231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.300231][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.300231][ T903] netlink_unicast+0x449/0x710 [ 4143.300231][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.300231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.300231][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.300231][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.300231][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.300231][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.300231][ T903] [ 4143.302999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4143.302999][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4143.302999][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4143.302999][ T903] ipv6_find_idev+0x102/0x170 [ 4143.302999][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.302999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.302999][ T903] netlink_rcv_skb+0x130/0x360 [ 4143.302999][ T903] netlink_unicast+0x449/0x710 [ 4143.302999][ T903] netlink_sendmsg+0x723/0xbe0 [ 4143.302999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4143.302999][ T903] ___sys_sendmsg+0xee/0x170 [ 4143.302999][ T903] __sys_sendmsg+0xcd/0x170 [ 4143.302999][ T903] do_syscall_64+0xc6/0x1e0 [ 4143.302999][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.302999][ T903] [ 4153.557787][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4153.558409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4153.558409][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4153.558409][ T903] ip6_validate_gw+0x3eb/0x790 [ 4153.558409][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4153.558409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4153.558409][ T903] ip6_route_add+0x1c/0x140 [ 4153.558409][ T903] inet6_rtm_newroute+0x104/0x110 [ 4153.558409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.558409][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.558409][ T903] netlink_unicast+0x449/0x710 [ 4153.558409][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.558409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.558409][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.558409][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.558409][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.558409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.558409][ T903] [ 4153.561645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4153.561645][ T903] netdev_get_by_index+0x5e/0x80 [ 4153.561645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4153.561645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4153.561645][ T903] ip6_route_add+0x1c/0x140 [ 4153.561645][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4153.561645][ T903] inet6_addr_add+0x4f8/0xa40 [ 4153.561645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.561645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.561645][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.561645][ T903] netlink_unicast+0x449/0x710 [ 4153.561645][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.561645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.561645][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.561645][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.561645][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.561645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.561645][ T903] [ 4153.565103][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4153.565103][ T903] netdev_get_by_index+0x5e/0x80 [ 4153.565103][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4153.565103][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4153.565103][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4153.565103][ T903] ipv6_add_addr+0x411/0x2000 [ 4153.565103][ T903] inet6_addr_add+0x30e/0xa40 [ 4153.565103][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.565103][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.565103][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.565103][ T903] netlink_unicast+0x449/0x710 [ 4153.565103][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.565103][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.565103][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.565103][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.565103][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.565103][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.565103][ T903] [ 4153.568503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4153.568503][ T903] netdev_get_by_index+0x5e/0x80 [ 4153.568503][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4153.568503][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4153.568503][ T903] ip6_route_add+0x1c/0x140 [ 4153.568503][ T903] addrconf_add_mroute+0x129/0x180 [ 4153.568503][ T903] addrconf_add_dev+0xe2/0x170 [ 4153.568503][ T903] inet6_addr_add+0x12f/0xa40 [ 4153.568503][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.568503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.568503][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.568503][ T903] netlink_unicast+0x449/0x710 [ 4153.568503][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.568503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.568503][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.568503][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.568503][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.568503][ T903] [ 4153.571928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4153.571928][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4153.571928][ T903] ipv6_find_idev+0x102/0x170 [ 4153.571928][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.571928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.571928][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.571928][ T903] netlink_unicast+0x449/0x710 [ 4153.571928][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.571928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.571928][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.571928][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.571928][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.571928][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.571928][ T903] [ 4153.574559][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4153.574559][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4153.574559][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4153.574559][ T903] ipv6_find_idev+0x102/0x170 [ 4153.574559][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.574559][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.574559][ T903] netlink_rcv_skb+0x130/0x360 [ 4153.574559][ T903] netlink_unicast+0x449/0x710 [ 4153.574559][ T903] netlink_sendmsg+0x723/0xbe0 [ 4153.574559][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4153.574559][ T903] ___sys_sendmsg+0xee/0x170 [ 4153.574559][ T903] __sys_sendmsg+0xcd/0x170 [ 4153.574559][ T903] do_syscall_64+0xc6/0x1e0 [ 4153.574559][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.574559][ T903] [ 4163.829896][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4163.830333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4163.830333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4163.830333][ T903] ip6_validate_gw+0x3eb/0x790 [ 4163.830333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4163.830333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4163.830333][ T903] ip6_route_add+0x1c/0x140 [ 4163.830333][ T903] inet6_rtm_newroute+0x104/0x110 [ 4163.830333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.830333][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.830333][ T903] netlink_unicast+0x449/0x710 [ 4163.830333][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.830333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.830333][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.830333][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.830333][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.830333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.830333][ T903] [ 4163.832443][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4163.832443][ T903] netdev_get_by_index+0x5e/0x80 [ 4163.832443][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4163.832443][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4163.832443][ T903] ip6_route_add+0x1c/0x140 [ 4163.832443][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4163.832443][ T903] inet6_addr_add+0x4f8/0xa40 [ 4163.832443][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.832443][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.832443][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.832443][ T903] netlink_unicast+0x449/0x710 [ 4163.832443][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.832443][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.832443][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.832443][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.832443][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.832443][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.832443][ T903] [ 4163.834703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4163.834703][ T903] netdev_get_by_index+0x5e/0x80 [ 4163.834703][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4163.834703][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4163.834703][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4163.834703][ T903] ipv6_add_addr+0x411/0x2000 [ 4163.834703][ T903] inet6_addr_add+0x30e/0xa40 [ 4163.834703][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.834703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.834703][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.834703][ T903] netlink_unicast+0x449/0x710 [ 4163.834703][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.834703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.834703][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.834703][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.834703][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.834703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.834703][ T903] [ 4163.836934][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4163.836934][ T903] netdev_get_by_index+0x5e/0x80 [ 4163.836934][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4163.836934][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4163.836934][ T903] ip6_route_add+0x1c/0x140 [ 4163.836934][ T903] addrconf_add_mroute+0x129/0x180 [ 4163.836934][ T903] addrconf_add_dev+0xe2/0x170 [ 4163.836934][ T903] inet6_addr_add+0x12f/0xa40 [ 4163.836934][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.836934][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.836934][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.836934][ T903] netlink_unicast+0x449/0x710 [ 4163.836934][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.836934][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.836934][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.836934][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.836934][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.836934][ T903] [ 4163.839129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4163.839129][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4163.839129][ T903] ipv6_find_idev+0x102/0x170 [ 4163.839129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.839129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.839129][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.839129][ T903] netlink_unicast+0x449/0x710 [ 4163.839129][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.839129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.839129][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.839129][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.839129][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.839129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.839129][ T903] [ 4163.840856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4163.840856][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4163.840856][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4163.840856][ T903] ipv6_find_idev+0x102/0x170 [ 4163.840856][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.840856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.840856][ T903] netlink_rcv_skb+0x130/0x360 [ 4163.840856][ T903] netlink_unicast+0x449/0x710 [ 4163.840856][ T903] netlink_sendmsg+0x723/0xbe0 [ 4163.840856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4163.840856][ T903] ___sys_sendmsg+0xee/0x170 [ 4163.840856][ T903] __sys_sendmsg+0xcd/0x170 [ 4163.840856][ T903] do_syscall_64+0xc6/0x1e0 [ 4163.840856][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.840856][ T903] [ 4174.093749][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4174.094279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4174.094279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4174.094279][ T903] ip6_validate_gw+0x3eb/0x790 [ 4174.094279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4174.094279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4174.094279][ T903] ip6_route_add+0x1c/0x140 [ 4174.094279][ T903] inet6_rtm_newroute+0x104/0x110 [ 4174.094279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.094279][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.094279][ T903] netlink_unicast+0x449/0x710 [ 4174.094279][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.094279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.094279][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.094279][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.094279][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.094279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.094279][ T903] [ 4174.096489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4174.096489][ T903] netdev_get_by_index+0x5e/0x80 [ 4174.096489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4174.096489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4174.096489][ T903] ip6_route_add+0x1c/0x140 [ 4174.096489][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4174.096489][ T903] inet6_addr_add+0x4f8/0xa40 [ 4174.096489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.096489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.096489][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.096489][ T903] netlink_unicast+0x449/0x710 [ 4174.096489][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.096489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.096489][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.096489][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.096489][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.096489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.096489][ T903] [ 4174.098851][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4174.098851][ T903] netdev_get_by_index+0x5e/0x80 [ 4174.098851][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4174.098851][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4174.098851][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4174.098851][ T903] ipv6_add_addr+0x411/0x2000 [ 4174.098851][ T903] inet6_addr_add+0x30e/0xa40 [ 4174.098851][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.098851][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.098851][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.098851][ T903] netlink_unicast+0x449/0x710 [ 4174.098851][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.098851][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.098851][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.098851][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.098851][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.098851][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.098851][ T903] [ 4174.101060][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4174.101060][ T903] netdev_get_by_index+0x5e/0x80 [ 4174.101060][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4174.101060][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4174.101060][ T903] ip6_route_add+0x1c/0x140 [ 4174.101060][ T903] addrconf_add_mroute+0x129/0x180 [ 4174.101060][ T903] addrconf_add_dev+0xe2/0x170 [ 4174.101060][ T903] inet6_addr_add+0x12f/0xa40 [ 4174.101060][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4174.101060][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.101060][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.101060][ T903] netlink_unicast+0x449/0x710 [ 4174.101060][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.101060][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.101060][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.101060][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.101060][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.101060][ T903] [ 4174.103333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4174.103333][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4174.103333][ T903] ipv6_find_idev+0x102/0x170 [ 4174.103333][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4174.103333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.103333][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.103333][ T903] netlink_unicast+0x449/0x710 [ 4174.103333][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.103333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.103333][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.103333][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.103333][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.103333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.103333][ T903] [ 4174.105112][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4174.105112][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4174.105112][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4174.105112][ T903] ipv6_find_idev+0x102/0x170 [ 4174.105112][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4174.105112][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4174.105112][ T903] netlink_rcv_skb+0x130/0x360 [ 4174.105112][ T903] netlink_unicast+0x449/0x710 [ 4174.105112][ T903] netlink_sendmsg+0x723/0xbe0 [ 4174.105112][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4174.105112][ T903] ___sys_sendmsg+0xee/0x170 [ 4174.105112][ T903] __sys_sendmsg+0xcd/0x170 [ 4174.105112][ T903] do_syscall_64+0xc6/0x1e0 [ 4174.105112][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4174.105112][ T903] [ 4184.357816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4184.358329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4184.358329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4184.358329][ T903] ip6_validate_gw+0x3eb/0x790 [ 4184.358329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4184.358329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4184.358329][ T903] ip6_route_add+0x1c/0x140 [ 4184.358329][ T903] inet6_rtm_newroute+0x104/0x110 [ 4184.358329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.358329][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.358329][ T903] netlink_unicast+0x449/0x710 [ 4184.358329][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.358329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.358329][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.358329][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.358329][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.358329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.358329][ T903] [ 4184.360421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4184.360421][ T903] netdev_get_by_index+0x5e/0x80 [ 4184.360421][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4184.360421][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4184.360421][ T903] ip6_route_add+0x1c/0x140 [ 4184.360421][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4184.360421][ T903] inet6_addr_add+0x4f8/0xa40 [ 4184.360421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.360421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.360421][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.360421][ T903] netlink_unicast+0x449/0x710 [ 4184.360421][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.360421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.360421][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.360421][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.360421][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.360421][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.360421][ T903] [ 4184.362632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4184.362632][ T903] netdev_get_by_index+0x5e/0x80 [ 4184.362632][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4184.362632][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4184.362632][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4184.362632][ T903] ipv6_add_addr+0x411/0x2000 [ 4184.362632][ T903] inet6_addr_add+0x30e/0xa40 [ 4184.362632][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.362632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.362632][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.362632][ T903] netlink_unicast+0x449/0x710 [ 4184.362632][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.362632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.362632][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.362632][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.362632][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.362632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.362632][ T903] [ 4184.364821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4184.364821][ T903] netdev_get_by_index+0x5e/0x80 [ 4184.364821][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4184.364821][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4184.364821][ T903] ip6_route_add+0x1c/0x140 [ 4184.364821][ T903] addrconf_add_mroute+0x129/0x180 [ 4184.364821][ T903] addrconf_add_dev+0xe2/0x170 [ 4184.364821][ T903] inet6_addr_add+0x12f/0xa40 [ 4184.364821][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.364821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.364821][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.364821][ T903] netlink_unicast+0x449/0x710 [ 4184.364821][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.364821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.364821][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.364821][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.364821][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.364821][ T903] [ 4184.366991][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4184.366991][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4184.366991][ T903] ipv6_find_idev+0x102/0x170 [ 4184.366991][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.366991][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.366991][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.366991][ T903] netlink_unicast+0x449/0x710 [ 4184.366991][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.366991][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.366991][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.366991][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.366991][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.366991][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.366991][ T903] [ 4184.368678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4184.368678][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4184.368678][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4184.368678][ T903] ipv6_find_idev+0x102/0x170 [ 4184.368678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.368678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.368678][ T903] netlink_rcv_skb+0x130/0x360 [ 4184.368678][ T903] netlink_unicast+0x449/0x710 [ 4184.368678][ T903] netlink_sendmsg+0x723/0xbe0 [ 4184.368678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4184.368678][ T903] ___sys_sendmsg+0xee/0x170 [ 4184.368678][ T903] __sys_sendmsg+0xcd/0x170 [ 4184.368678][ T903] do_syscall_64+0xc6/0x1e0 [ 4184.368678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.368678][ T903] [ 4194.493841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4194.494355][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4194.494355][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4194.494355][ T903] ip6_validate_gw+0x3eb/0x790 [ 4194.494355][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4194.494355][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4194.494355][ T903] ip6_route_add+0x1c/0x140 [ 4194.494355][ T903] inet6_rtm_newroute+0x104/0x110 [ 4194.494355][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.494355][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.494355][ T903] netlink_unicast+0x449/0x710 [ 4194.494355][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.494355][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.494355][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.494355][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.494355][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.494355][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.494355][ T903] [ 4194.496485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4194.496485][ T903] netdev_get_by_index+0x5e/0x80 [ 4194.496485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4194.496485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4194.496485][ T903] ip6_route_add+0x1c/0x140 [ 4194.496485][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4194.496485][ T903] inet6_addr_add+0x4f8/0xa40 [ 4194.496485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.496485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.496485][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.496485][ T903] netlink_unicast+0x449/0x710 [ 4194.496485][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.496485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.496485][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.496485][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.496485][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.496485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.496485][ T903] [ 4194.498708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4194.498708][ T903] netdev_get_by_index+0x5e/0x80 [ 4194.498708][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4194.498708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4194.498708][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4194.498708][ T903] ipv6_add_addr+0x411/0x2000 [ 4194.498708][ T903] inet6_addr_add+0x30e/0xa40 [ 4194.498708][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.498708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.498708][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.498708][ T903] netlink_unicast+0x449/0x710 [ 4194.498708][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.498708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.498708][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.498708][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.498708][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.498708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.498708][ T903] [ 4194.500943][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4194.500943][ T903] netdev_get_by_index+0x5e/0x80 [ 4194.500943][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4194.500943][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4194.500943][ T903] ip6_route_add+0x1c/0x140 [ 4194.500943][ T903] addrconf_add_mroute+0x129/0x180 [ 4194.500943][ T903] addrconf_add_dev+0xe2/0x170 [ 4194.500943][ T903] inet6_addr_add+0x12f/0xa40 [ 4194.500943][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.500943][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.500943][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.500943][ T903] netlink_unicast+0x449/0x710 [ 4194.500943][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.500943][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.500943][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.500943][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.500943][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.500943][ T903] [ 4194.503134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4194.503134][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4194.503134][ T903] ipv6_find_idev+0x102/0x170 [ 4194.503134][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.503134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.503134][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.503134][ T903] netlink_unicast+0x449/0x710 [ 4194.503134][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.503134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.503134][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.503134][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.503134][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.503134][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.503134][ T903] [ 4194.504847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4194.504847][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4194.504847][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4194.504847][ T903] ipv6_find_idev+0x102/0x170 [ 4194.504847][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.504847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.504847][ T903] netlink_rcv_skb+0x130/0x360 [ 4194.504847][ T903] netlink_unicast+0x449/0x710 [ 4194.504847][ T903] netlink_sendmsg+0x723/0xbe0 [ 4194.504847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4194.504847][ T903] ___sys_sendmsg+0xee/0x170 [ 4194.504847][ T903] __sys_sendmsg+0xcd/0x170 [ 4194.504847][ T903] do_syscall_64+0xc6/0x1e0 [ 4194.504847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.504847][ T903] [ 4204.749812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4204.750269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4204.750269][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4204.750269][ T903] ip6_validate_gw+0x3eb/0x790 [ 4204.750269][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4204.750269][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4204.750269][ T903] ip6_route_add+0x1c/0x140 [ 4204.750269][ T903] inet6_rtm_newroute+0x104/0x110 [ 4204.750269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.750269][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.750269][ T903] netlink_unicast+0x449/0x710 [ 4204.750269][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.750269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.750269][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.750269][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.750269][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.750269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.750269][ T903] [ 4204.752384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4204.752384][ T903] netdev_get_by_index+0x5e/0x80 [ 4204.752384][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4204.752384][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4204.752384][ T903] ip6_route_add+0x1c/0x140 [ 4204.752384][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4204.752384][ T903] inet6_addr_add+0x4f8/0xa40 [ 4204.752384][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.752384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.752384][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.752384][ T903] netlink_unicast+0x449/0x710 [ 4204.752384][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.752384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.752384][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.752384][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.752384][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.752384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.752384][ T903] [ 4204.754623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4204.754623][ T903] netdev_get_by_index+0x5e/0x80 [ 4204.754623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4204.754623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4204.754623][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4204.754623][ T903] ipv6_add_addr+0x411/0x2000 [ 4204.754623][ T903] inet6_addr_add+0x30e/0xa40 [ 4204.754623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.754623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.754623][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.754623][ T903] netlink_unicast+0x449/0x710 [ 4204.754623][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.754623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.754623][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.754623][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.754623][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.754623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.754623][ T903] [ 4204.756834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4204.756834][ T903] netdev_get_by_index+0x5e/0x80 [ 4204.756834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4204.756834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4204.756834][ T903] ip6_route_add+0x1c/0x140 [ 4204.756834][ T903] addrconf_add_mroute+0x129/0x180 [ 4204.756834][ T903] addrconf_add_dev+0xe2/0x170 [ 4204.756834][ T903] inet6_addr_add+0x12f/0xa40 [ 4204.756834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.756834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.756834][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.756834][ T903] netlink_unicast+0x449/0x710 [ 4204.756834][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.756834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.756834][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.756834][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.756834][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.756834][ T903] [ 4204.759018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4204.759018][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4204.759018][ T903] ipv6_find_idev+0x102/0x170 [ 4204.759018][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.759018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.759018][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.759018][ T903] netlink_unicast+0x449/0x710 [ 4204.759018][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.759018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.759018][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.759018][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.759018][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.759018][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.759018][ T903] [ 4204.760754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4204.760754][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4204.760754][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4204.760754][ T903] ipv6_find_idev+0x102/0x170 [ 4204.760754][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.760754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.760754][ T903] netlink_rcv_skb+0x130/0x360 [ 4204.760754][ T903] netlink_unicast+0x449/0x710 [ 4204.760754][ T903] netlink_sendmsg+0x723/0xbe0 [ 4204.760754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4204.760754][ T903] ___sys_sendmsg+0xee/0x170 [ 4204.760754][ T903] __sys_sendmsg+0xcd/0x170 [ 4204.760754][ T903] do_syscall_64+0xc6/0x1e0 [ 4204.760754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.760754][ T903] [ 4214.837948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4214.838471][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4214.838471][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4214.838471][ T903] ip6_validate_gw+0x3eb/0x790 [ 4214.838471][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4214.838471][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4214.838471][ T903] ip6_route_add+0x1c/0x140 [ 4214.838471][ T903] inet6_rtm_newroute+0x104/0x110 [ 4214.838471][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.838471][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.838471][ T903] netlink_unicast+0x449/0x710 [ 4214.838471][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.838471][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.838471][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.838471][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.838471][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.838471][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.838471][ T903] [ 4214.840609][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4214.840609][ T903] netdev_get_by_index+0x5e/0x80 [ 4214.840609][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4214.840609][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4214.840609][ T903] ip6_route_add+0x1c/0x140 [ 4214.840609][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4214.840609][ T903] inet6_addr_add+0x4f8/0xa40 [ 4214.840609][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.840609][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.840609][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.840609][ T903] netlink_unicast+0x449/0x710 [ 4214.840609][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.840609][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.840609][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.840609][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.840609][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.840609][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.840609][ T903] [ 4214.842884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4214.842884][ T903] netdev_get_by_index+0x5e/0x80 [ 4214.842884][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4214.842884][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4214.842884][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4214.842884][ T903] ipv6_add_addr+0x411/0x2000 [ 4214.842884][ T903] inet6_addr_add+0x30e/0xa40 [ 4214.842884][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.842884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.842884][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.842884][ T903] netlink_unicast+0x449/0x710 [ 4214.842884][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.842884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.842884][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.842884][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.842884][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.842884][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.842884][ T903] [ 4214.845129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4214.845129][ T903] netdev_get_by_index+0x5e/0x80 [ 4214.845129][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4214.845129][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4214.845129][ T903] ip6_route_add+0x1c/0x140 [ 4214.845129][ T903] addrconf_add_mroute+0x129/0x180 [ 4214.845129][ T903] addrconf_add_dev+0xe2/0x170 [ 4214.845129][ T903] inet6_addr_add+0x12f/0xa40 [ 4214.845129][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.845129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.845129][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.845129][ T903] netlink_unicast+0x449/0x710 [ 4214.845129][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.845129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.845129][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.845129][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.845129][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.845129][ T903] [ 4214.847366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4214.847366][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4214.847366][ T903] ipv6_find_idev+0x102/0x170 [ 4214.847366][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.847366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.847366][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.847366][ T903] netlink_unicast+0x449/0x710 [ 4214.847366][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.847366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.847366][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.847366][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.847366][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.847366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.847366][ T903] [ 4214.849088][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4214.849088][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4214.849088][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4214.849088][ T903] ipv6_find_idev+0x102/0x170 [ 4214.849088][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.849088][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.849088][ T903] netlink_rcv_skb+0x130/0x360 [ 4214.849088][ T903] netlink_unicast+0x449/0x710 [ 4214.849088][ T903] netlink_sendmsg+0x723/0xbe0 [ 4214.849088][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4214.849088][ T903] ___sys_sendmsg+0xee/0x170 [ 4214.849088][ T903] __sys_sendmsg+0xcd/0x170 [ 4214.849088][ T903] do_syscall_64+0xc6/0x1e0 [ 4214.849088][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.849088][ T903] [ 4225.093807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4225.094315][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4225.094315][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4225.094315][ T903] ip6_validate_gw+0x3eb/0x790 [ 4225.094315][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4225.094315][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4225.094315][ T903] ip6_route_add+0x1c/0x140 [ 4225.094315][ T903] inet6_rtm_newroute+0x104/0x110 [ 4225.094315][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.094315][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.094315][ T903] netlink_unicast+0x449/0x710 [ 4225.094315][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.094315][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.094315][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.094315][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.094315][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.094315][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.094315][ T903] [ 4225.096547][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4225.096547][ T903] netdev_get_by_index+0x5e/0x80 [ 4225.096547][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4225.096547][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4225.096547][ T903] ip6_route_add+0x1c/0x140 [ 4225.096547][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4225.096547][ T903] inet6_addr_add+0x4f8/0xa40 [ 4225.096547][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.096547][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.096547][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.096547][ T903] netlink_unicast+0x449/0x710 [ 4225.096547][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.096547][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.096547][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.096547][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.096547][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.096547][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.096547][ T903] [ 4225.098750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4225.098750][ T903] netdev_get_by_index+0x5e/0x80 [ 4225.098750][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4225.098750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4225.098750][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4225.098750][ T903] ipv6_add_addr+0x411/0x2000 [ 4225.098750][ T903] inet6_addr_add+0x30e/0xa40 [ 4225.098750][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.098750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.098750][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.098750][ T903] netlink_unicast+0x449/0x710 [ 4225.098750][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.098750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.098750][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.098750][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.098750][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.098750][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.098750][ T903] [ 4225.100942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4225.100942][ T903] netdev_get_by_index+0x5e/0x80 [ 4225.100942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4225.100942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4225.100942][ T903] ip6_route_add+0x1c/0x140 [ 4225.100942][ T903] addrconf_add_mroute+0x129/0x180 [ 4225.100942][ T903] addrconf_add_dev+0xe2/0x170 [ 4225.100942][ T903] inet6_addr_add+0x12f/0xa40 [ 4225.100942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4225.100942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.100942][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.100942][ T903] netlink_unicast+0x449/0x710 [ 4225.100942][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.100942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.100942][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.100942][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.100942][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.100942][ T903] [ 4225.103114][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4225.103114][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4225.103114][ T903] ipv6_find_idev+0x102/0x170 [ 4225.103114][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4225.103114][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.103114][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.103114][ T903] netlink_unicast+0x449/0x710 [ 4225.103114][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.103114][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.103114][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.103114][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.103114][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.103114][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.103114][ T903] [ 4225.104841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4225.104841][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4225.104841][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4225.104841][ T903] ipv6_find_idev+0x102/0x170 [ 4225.104841][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4225.104841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4225.104841][ T903] netlink_rcv_skb+0x130/0x360 [ 4225.104841][ T903] netlink_unicast+0x449/0x710 [ 4225.104841][ T903] netlink_sendmsg+0x723/0xbe0 [ 4225.104841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4225.104841][ T903] ___sys_sendmsg+0xee/0x170 [ 4225.104841][ T903] __sys_sendmsg+0xcd/0x170 [ 4225.104841][ T903] do_syscall_64+0xc6/0x1e0 [ 4225.104841][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4225.104841][ T903] [ 4235.189819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4235.190323][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4235.190323][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4235.190323][ T903] ip6_validate_gw+0x3eb/0x790 [ 4235.190323][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4235.190323][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4235.190323][ T903] ip6_route_add+0x1c/0x140 [ 4235.190323][ T903] inet6_rtm_newroute+0x104/0x110 [ 4235.190323][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.190323][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.190323][ T903] netlink_unicast+0x449/0x710 [ 4235.190323][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.190323][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.190323][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.190323][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.190323][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.190323][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.190323][ T903] [ 4235.192441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4235.192441][ T903] netdev_get_by_index+0x5e/0x80 [ 4235.192441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4235.192441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4235.192441][ T903] ip6_route_add+0x1c/0x140 [ 4235.192441][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4235.192441][ T903] inet6_addr_add+0x4f8/0xa40 [ 4235.192441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.192441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.192441][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.192441][ T903] netlink_unicast+0x449/0x710 [ 4235.192441][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.192441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.192441][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.192441][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.192441][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.192441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.192441][ T903] [ 4235.194633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4235.194633][ T903] netdev_get_by_index+0x5e/0x80 [ 4235.194633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4235.194633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4235.194633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4235.194633][ T903] ipv6_add_addr+0x411/0x2000 [ 4235.194633][ T903] inet6_addr_add+0x30e/0xa40 [ 4235.194633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.194633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.194633][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.194633][ T903] netlink_unicast+0x449/0x710 [ 4235.194633][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.194633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.194633][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.194633][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.194633][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.194633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.194633][ T903] [ 4235.196827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4235.196827][ T903] netdev_get_by_index+0x5e/0x80 [ 4235.196827][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4235.196827][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4235.196827][ T903] ip6_route_add+0x1c/0x140 [ 4235.196827][ T903] addrconf_add_mroute+0x129/0x180 [ 4235.196827][ T903] addrconf_add_dev+0xe2/0x170 [ 4235.196827][ T903] inet6_addr_add+0x12f/0xa40 [ 4235.196827][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4235.196827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.196827][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.196827][ T903] netlink_unicast+0x449/0x710 [ 4235.196827][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.196827][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.196827][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.196827][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.196827][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.196827][ T903] [ 4235.198980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4235.198980][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4235.198980][ T903] ipv6_find_idev+0x102/0x170 [ 4235.198980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.198980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.198980][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.198980][ T903] netlink_unicast+0x449/0x710 [ 4235.198980][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.198980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.198980][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.198980][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.198980][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.198980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.198980][ T903] [ 4235.200666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4235.200666][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4235.200666][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4235.200666][ T903] ipv6_find_idev+0x102/0x170 [ 4235.200666][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4235.200666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4235.200666][ T903] netlink_rcv_skb+0x130/0x360 [ 4235.200666][ T903] netlink_unicast+0x449/0x710 [ 4235.200666][ T903] netlink_sendmsg+0x723/0xbe0 [ 4235.200666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4235.200666][ T903] ___sys_sendmsg+0xee/0x170 [ 4235.200666][ T903] __sys_sendmsg+0xcd/0x170 [ 4235.200666][ T903] do_syscall_64+0xc6/0x1e0 [ 4235.200666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4235.200666][ T903] [ 4245.437928][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4245.438831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4245.438831][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4245.438831][ T903] ip6_validate_gw+0x3eb/0x790 [ 4245.438831][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4245.438831][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4245.438831][ T903] ip6_route_add+0x1c/0x140 [ 4245.438831][ T903] inet6_rtm_newroute+0x104/0x110 [ 4245.438831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.438831][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.438831][ T903] netlink_unicast+0x449/0x710 [ 4245.438831][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.438831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.438831][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.438831][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.438831][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.438831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.438831][ T903] [ 4245.440962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4245.440962][ T903] netdev_get_by_index+0x5e/0x80 [ 4245.440962][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4245.440962][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4245.440962][ T903] ip6_route_add+0x1c/0x140 [ 4245.440962][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4245.440962][ T903] inet6_addr_add+0x4f8/0xa40 [ 4245.440962][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.440962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.440962][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.440962][ T903] netlink_unicast+0x449/0x710 [ 4245.440962][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.440962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.440962][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.440962][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.440962][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.440962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.440962][ T903] [ 4245.443209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4245.443209][ T903] netdev_get_by_index+0x5e/0x80 [ 4245.443209][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4245.443209][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4245.443209][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4245.443209][ T903] ipv6_add_addr+0x411/0x2000 [ 4245.443209][ T903] inet6_addr_add+0x30e/0xa40 [ 4245.443209][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.443209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.443209][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.443209][ T903] netlink_unicast+0x449/0x710 [ 4245.443209][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.443209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.443209][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.443209][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.443209][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.443209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.443209][ T903] [ 4245.445520][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4245.445520][ T903] netdev_get_by_index+0x5e/0x80 [ 4245.445520][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4245.445520][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4245.445520][ T903] ip6_route_add+0x1c/0x140 [ 4245.445520][ T903] addrconf_add_mroute+0x129/0x180 [ 4245.445520][ T903] addrconf_add_dev+0xe2/0x170 [ 4245.445520][ T903] inet6_addr_add+0x12f/0xa40 [ 4245.445520][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.445520][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.445520][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.445520][ T903] netlink_unicast+0x449/0x710 [ 4245.445520][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.445520][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.445520][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.445520][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.445520][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.445520][ T903] [ 4245.447714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4245.447714][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4245.447714][ T903] ipv6_find_idev+0x102/0x170 [ 4245.447714][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.447714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.447714][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.447714][ T903] netlink_unicast+0x449/0x710 [ 4245.447714][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.447714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.447714][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.447714][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.447714][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.447714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.447714][ T903] [ 4245.449419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4245.449419][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4245.449419][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4245.449419][ T903] ipv6_find_idev+0x102/0x170 [ 4245.449419][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.449419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.449419][ T903] netlink_rcv_skb+0x130/0x360 [ 4245.449419][ T903] netlink_unicast+0x449/0x710 [ 4245.449419][ T903] netlink_sendmsg+0x723/0xbe0 [ 4245.449419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4245.449419][ T903] ___sys_sendmsg+0xee/0x170 [ 4245.449419][ T903] __sys_sendmsg+0xcd/0x170 [ 4245.449419][ T903] do_syscall_64+0xc6/0x1e0 [ 4245.449419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.449419][ T903] [ 4255.693867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4255.694578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4255.694578][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4255.694578][ T903] ip6_validate_gw+0x3eb/0x790 [ 4255.694578][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4255.694578][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4255.694578][ T903] ip6_route_add+0x1c/0x140 [ 4255.694578][ T903] inet6_rtm_newroute+0x104/0x110 [ 4255.694578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.694578][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.694578][ T903] netlink_unicast+0x449/0x710 [ 4255.694578][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.694578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.694578][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.694578][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.694578][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.694578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.694578][ T903] [ 4255.696689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4255.696689][ T903] netdev_get_by_index+0x5e/0x80 [ 4255.696689][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4255.696689][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4255.696689][ T903] ip6_route_add+0x1c/0x140 [ 4255.696689][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4255.696689][ T903] inet6_addr_add+0x4f8/0xa40 [ 4255.696689][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.696689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.696689][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.696689][ T903] netlink_unicast+0x449/0x710 [ 4255.696689][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.696689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.696689][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.696689][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.696689][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.696689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.696689][ T903] [ 4255.698886][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4255.698886][ T903] netdev_get_by_index+0x5e/0x80 [ 4255.698886][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4255.698886][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4255.698886][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4255.698886][ T903] ipv6_add_addr+0x411/0x2000 [ 4255.698886][ T903] inet6_addr_add+0x30e/0xa40 [ 4255.698886][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.698886][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.698886][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.698886][ T903] netlink_unicast+0x449/0x710 [ 4255.698886][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.698886][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.698886][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.698886][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.698886][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.698886][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.698886][ T903] [ 4255.701537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4255.701537][ T903] netdev_get_by_index+0x5e/0x80 [ 4255.701537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4255.701537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4255.701537][ T903] ip6_route_add+0x1c/0x140 [ 4255.701537][ T903] addrconf_add_mroute+0x129/0x180 [ 4255.701537][ T903] addrconf_add_dev+0xe2/0x170 [ 4255.701537][ T903] inet6_addr_add+0x12f/0xa40 [ 4255.701537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.701537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.701537][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.701537][ T903] netlink_unicast+0x449/0x710 [ 4255.701537][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.701537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.701537][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.701537][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.701537][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.701537][ T903] [ 4255.703712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4255.703712][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4255.703712][ T903] ipv6_find_idev+0x102/0x170 [ 4255.703712][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.703712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.703712][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.703712][ T903] netlink_unicast+0x449/0x710 [ 4255.703712][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.703712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.703712][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.703712][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.703712][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.703712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.703712][ T903] [ 4255.705397][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4255.705397][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4255.705397][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4255.705397][ T903] ipv6_find_idev+0x102/0x170 [ 4255.705397][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.705397][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.705397][ T903] netlink_rcv_skb+0x130/0x360 [ 4255.705397][ T903] netlink_unicast+0x449/0x710 [ 4255.705397][ T903] netlink_sendmsg+0x723/0xbe0 [ 4255.705397][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4255.705397][ T903] ___sys_sendmsg+0xee/0x170 [ 4255.705397][ T903] __sys_sendmsg+0xcd/0x170 [ 4255.705397][ T903] do_syscall_64+0xc6/0x1e0 [ 4255.705397][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.705397][ T903] [ 4265.949900][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4265.950439][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4265.950439][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4265.950439][ T903] ip6_validate_gw+0x3eb/0x790 [ 4265.950439][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4265.950439][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4265.950439][ T903] ip6_route_add+0x1c/0x140 [ 4265.950439][ T903] inet6_rtm_newroute+0x104/0x110 [ 4265.950439][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.950439][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.950439][ T903] netlink_unicast+0x449/0x710 [ 4265.950439][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.950439][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.950439][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.950439][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.950439][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.950439][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.950439][ T903] [ 4265.952583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4265.952583][ T903] netdev_get_by_index+0x5e/0x80 [ 4265.952583][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4265.952583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4265.952583][ T903] ip6_route_add+0x1c/0x140 [ 4265.952583][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4265.952583][ T903] inet6_addr_add+0x4f8/0xa40 [ 4265.952583][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.952583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.952583][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.952583][ T903] netlink_unicast+0x449/0x710 [ 4265.952583][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.952583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.952583][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.952583][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.952583][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.952583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.952583][ T903] [ 4265.954806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4265.954806][ T903] netdev_get_by_index+0x5e/0x80 [ 4265.954806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4265.954806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4265.954806][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4265.954806][ T903] ipv6_add_addr+0x411/0x2000 [ 4265.954806][ T903] inet6_addr_add+0x30e/0xa40 [ 4265.954806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.954806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.954806][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.954806][ T903] netlink_unicast+0x449/0x710 [ 4265.954806][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.954806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.954806][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.954806][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.954806][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.954806][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.954806][ T903] [ 4265.957042][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4265.957042][ T903] netdev_get_by_index+0x5e/0x80 [ 4265.957042][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4265.957042][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4265.957042][ T903] ip6_route_add+0x1c/0x140 [ 4265.957042][ T903] addrconf_add_mroute+0x129/0x180 [ 4265.957042][ T903] addrconf_add_dev+0xe2/0x170 [ 4265.957042][ T903] inet6_addr_add+0x12f/0xa40 [ 4265.957042][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.957042][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.957042][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.957042][ T903] netlink_unicast+0x449/0x710 [ 4265.957042][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.957042][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.957042][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.957042][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.957042][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.957042][ T903] [ 4265.959286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4265.959286][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4265.959286][ T903] ipv6_find_idev+0x102/0x170 [ 4265.959286][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4265.959286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.959286][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.959286][ T903] netlink_unicast+0x449/0x710 [ 4265.959286][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.959286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.959286][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.959286][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.959286][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.959286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.959286][ T903] [ 4265.960998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4265.960998][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4265.960998][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4265.960998][ T903] ipv6_find_idev+0x102/0x170 [ 4265.960998][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4265.960998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.960998][ T903] netlink_rcv_skb+0x130/0x360 [ 4265.960998][ T903] netlink_unicast+0x449/0x710 [ 4265.960998][ T903] netlink_sendmsg+0x723/0xbe0 [ 4265.960998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4265.960998][ T903] ___sys_sendmsg+0xee/0x170 [ 4265.960998][ T903] __sys_sendmsg+0xcd/0x170 [ 4265.960998][ T903] do_syscall_64+0xc6/0x1e0 [ 4265.960998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.960998][ T903] [ 4276.029975][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4276.030967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4276.030967][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4276.030967][ T903] ip6_validate_gw+0x3eb/0x790 [ 4276.030967][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4276.030967][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4276.030967][ T903] ip6_route_add+0x1c/0x140 [ 4276.030967][ T903] inet6_rtm_newroute+0x104/0x110 [ 4276.030967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.030967][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.030967][ T903] netlink_unicast+0x449/0x710 [ 4276.030967][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.030967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.030967][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.030967][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.030967][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.030967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.030967][ T903] [ 4276.033135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4276.033135][ T903] netdev_get_by_index+0x5e/0x80 [ 4276.033135][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4276.033135][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4276.033135][ T903] ip6_route_add+0x1c/0x140 [ 4276.033135][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4276.033135][ T903] inet6_addr_add+0x4f8/0xa40 [ 4276.033135][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.033135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.033135][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.033135][ T903] netlink_unicast+0x449/0x710 [ 4276.033135][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.033135][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.033135][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.033135][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.033135][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.033135][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.033135][ T903] [ 4276.035353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4276.035353][ T903] netdev_get_by_index+0x5e/0x80 [ 4276.035353][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4276.035353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4276.035353][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4276.035353][ T903] ipv6_add_addr+0x411/0x2000 [ 4276.035353][ T903] inet6_addr_add+0x30e/0xa40 [ 4276.035353][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.035353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.035353][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.035353][ T903] netlink_unicast+0x449/0x710 [ 4276.035353][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.035353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.035353][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.035353][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.035353][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.035353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.035353][ T903] [ 4276.037567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4276.037567][ T903] netdev_get_by_index+0x5e/0x80 [ 4276.037567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4276.037567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4276.037567][ T903] ip6_route_add+0x1c/0x140 [ 4276.037567][ T903] addrconf_add_mroute+0x129/0x180 [ 4276.037567][ T903] addrconf_add_dev+0xe2/0x170 [ 4276.037567][ T903] inet6_addr_add+0x12f/0xa40 [ 4276.037567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4276.037567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.037567][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.037567][ T903] netlink_unicast+0x449/0x710 [ 4276.037567][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.037567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.037567][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.037567][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.037567][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.037567][ T903] [ 4276.039772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4276.039772][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4276.039772][ T903] ipv6_find_idev+0x102/0x170 [ 4276.039772][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.039772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.039772][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.039772][ T903] netlink_unicast+0x449/0x710 [ 4276.039772][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.039772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.039772][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.039772][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.039772][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.039772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.039772][ T903] [ 4276.041495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4276.041495][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4276.041495][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4276.041495][ T903] ipv6_find_idev+0x102/0x170 [ 4276.041495][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4276.041495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4276.041495][ T903] netlink_rcv_skb+0x130/0x360 [ 4276.041495][ T903] netlink_unicast+0x449/0x710 [ 4276.041495][ T903] netlink_sendmsg+0x723/0xbe0 [ 4276.041495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4276.041495][ T903] ___sys_sendmsg+0xee/0x170 [ 4276.041495][ T903] __sys_sendmsg+0xcd/0x170 [ 4276.041495][ T903] do_syscall_64+0xc6/0x1e0 [ 4276.041495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4276.041495][ T903] [ 4286.285934][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4286.286847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4286.286847][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4286.286847][ T903] ip6_validate_gw+0x3eb/0x790 [ 4286.286847][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4286.286847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4286.286847][ T903] ip6_route_add+0x1c/0x140 [ 4286.286847][ T903] inet6_rtm_newroute+0x104/0x110 [ 4286.286847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.286847][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.286847][ T903] netlink_unicast+0x449/0x710 [ 4286.286847][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.286847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.286847][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.286847][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.286847][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.286847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.286847][ T903] [ 4286.289464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4286.289464][ T903] netdev_get_by_index+0x5e/0x80 [ 4286.289464][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4286.289464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4286.289464][ T903] ip6_route_add+0x1c/0x140 [ 4286.289464][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4286.289464][ T903] inet6_addr_add+0x4f8/0xa40 [ 4286.289464][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.289464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.289464][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.289464][ T903] netlink_unicast+0x449/0x710 [ 4286.289464][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.289464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.289464][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.289464][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.289464][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.289464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.289464][ T903] [ 4286.291691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4286.291691][ T903] netdev_get_by_index+0x5e/0x80 [ 4286.291691][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4286.291691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4286.291691][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4286.291691][ T903] ipv6_add_addr+0x411/0x2000 [ 4286.291691][ T903] inet6_addr_add+0x30e/0xa40 [ 4286.291691][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.291691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.291691][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.291691][ T903] netlink_unicast+0x449/0x710 [ 4286.291691][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.291691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.291691][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.291691][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.291691][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.291691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.291691][ T903] [ 4286.293928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4286.293928][ T903] netdev_get_by_index+0x5e/0x80 [ 4286.293928][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4286.293928][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4286.293928][ T903] ip6_route_add+0x1c/0x140 [ 4286.293928][ T903] addrconf_add_mroute+0x129/0x180 [ 4286.293928][ T903] addrconf_add_dev+0xe2/0x170 [ 4286.293928][ T903] inet6_addr_add+0x12f/0xa40 [ 4286.293928][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.293928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.293928][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.293928][ T903] netlink_unicast+0x449/0x710 [ 4286.293928][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.293928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.293928][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.293928][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.293928][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.293928][ T903] [ 4286.296112][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4286.296112][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4286.296112][ T903] ipv6_find_idev+0x102/0x170 [ 4286.296112][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.296112][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.296112][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.296112][ T903] netlink_unicast+0x449/0x710 [ 4286.296112][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.296112][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.296112][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.296112][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.296112][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.296112][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.296112][ T903] [ 4286.297803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4286.297803][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4286.297803][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4286.297803][ T903] ipv6_find_idev+0x102/0x170 [ 4286.297803][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.297803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.297803][ T903] netlink_rcv_skb+0x130/0x360 [ 4286.297803][ T903] netlink_unicast+0x449/0x710 [ 4286.297803][ T903] netlink_sendmsg+0x723/0xbe0 [ 4286.297803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4286.297803][ T903] ___sys_sendmsg+0xee/0x170 [ 4286.297803][ T903] __sys_sendmsg+0xcd/0x170 [ 4286.297803][ T903] do_syscall_64+0xc6/0x1e0 [ 4286.297803][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.297803][ T903] [ 4296.541905][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4296.542852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4296.542852][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4296.542852][ T903] ip6_validate_gw+0x3eb/0x790 [ 4296.542852][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4296.542852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4296.542852][ T903] ip6_route_add+0x1c/0x140 [ 4296.542852][ T903] inet6_rtm_newroute+0x104/0x110 [ 4296.542852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.542852][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.542852][ T903] netlink_unicast+0x449/0x710 [ 4296.542852][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.542852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.542852][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.542852][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.542852][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.542852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.542852][ T903] [ 4296.545480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4296.545480][ T903] netdev_get_by_index+0x5e/0x80 [ 4296.545480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4296.545480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4296.545480][ T903] ip6_route_add+0x1c/0x140 [ 4296.545480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4296.545480][ T903] inet6_addr_add+0x4f8/0xa40 [ 4296.545480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.545480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.545480][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.545480][ T903] netlink_unicast+0x449/0x710 [ 4296.545480][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.545480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.545480][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.545480][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.545480][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.545480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.545480][ T903] [ 4296.547676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4296.547676][ T903] netdev_get_by_index+0x5e/0x80 [ 4296.547676][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4296.547676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4296.547676][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4296.547676][ T903] ipv6_add_addr+0x411/0x2000 [ 4296.547676][ T903] inet6_addr_add+0x30e/0xa40 [ 4296.547676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.547676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.547676][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.547676][ T903] netlink_unicast+0x449/0x710 [ 4296.547676][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.547676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.547676][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.547676][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.547676][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.547676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.547676][ T903] [ 4296.549862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4296.549862][ T903] netdev_get_by_index+0x5e/0x80 [ 4296.549862][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4296.549862][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4296.549862][ T903] ip6_route_add+0x1c/0x140 [ 4296.549862][ T903] addrconf_add_mroute+0x129/0x180 [ 4296.549862][ T903] addrconf_add_dev+0xe2/0x170 [ 4296.549862][ T903] inet6_addr_add+0x12f/0xa40 [ 4296.549862][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.549862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.549862][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.549862][ T903] netlink_unicast+0x449/0x710 [ 4296.549862][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.549862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.549862][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.549862][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.549862][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.549862][ T903] [ 4296.552030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4296.552030][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4296.552030][ T903] ipv6_find_idev+0x102/0x170 [ 4296.552030][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.552030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.552030][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.552030][ T903] netlink_unicast+0x449/0x710 [ 4296.552030][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.552030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.552030][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.552030][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.552030][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.552030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.552030][ T903] [ 4296.553727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4296.553727][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4296.553727][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4296.553727][ T903] ipv6_find_idev+0x102/0x170 [ 4296.553727][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.553727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.553727][ T903] netlink_rcv_skb+0x130/0x360 [ 4296.553727][ T903] netlink_unicast+0x449/0x710 [ 4296.553727][ T903] netlink_sendmsg+0x723/0xbe0 [ 4296.553727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4296.553727][ T903] ___sys_sendmsg+0xee/0x170 [ 4296.553727][ T903] __sys_sendmsg+0xcd/0x170 [ 4296.553727][ T903] do_syscall_64+0xc6/0x1e0 [ 4296.553727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.553727][ T903] [ 4306.781858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4306.782647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4306.782647][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4306.782647][ T903] ip6_validate_gw+0x3eb/0x790 [ 4306.782647][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4306.782647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4306.782647][ T903] ip6_route_add+0x1c/0x140 [ 4306.782647][ T903] inet6_rtm_newroute+0x104/0x110 [ 4306.782647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.782647][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.782647][ T903] netlink_unicast+0x449/0x710 [ 4306.782647][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.782647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.782647][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.782647][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.782647][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.782647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.782647][ T903] [ 4306.784750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4306.784750][ T903] netdev_get_by_index+0x5e/0x80 [ 4306.784750][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4306.784750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4306.784750][ T903] ip6_route_add+0x1c/0x140 [ 4306.784750][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4306.784750][ T903] inet6_addr_add+0x4f8/0xa40 [ 4306.784750][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.784750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.784750][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.784750][ T903] netlink_unicast+0x449/0x710 [ 4306.784750][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.784750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.784750][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.784750][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.784750][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.784750][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.784750][ T903] [ 4306.786945][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4306.786945][ T903] netdev_get_by_index+0x5e/0x80 [ 4306.786945][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4306.786945][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4306.786945][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4306.786945][ T903] ipv6_add_addr+0x411/0x2000 [ 4306.786945][ T903] inet6_addr_add+0x30e/0xa40 [ 4306.786945][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.786945][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.786945][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.786945][ T903] netlink_unicast+0x449/0x710 [ 4306.786945][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.786945][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.786945][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.786945][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.786945][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.786945][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.786945][ T903] [ 4306.789119][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4306.789119][ T903] netdev_get_by_index+0x5e/0x80 [ 4306.789119][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4306.789119][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4306.789119][ T903] ip6_route_add+0x1c/0x140 [ 4306.789119][ T903] addrconf_add_mroute+0x129/0x180 [ 4306.789119][ T903] addrconf_add_dev+0xe2/0x170 [ 4306.789119][ T903] inet6_addr_add+0x12f/0xa40 [ 4306.789119][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.789119][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.789119][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.789119][ T903] netlink_unicast+0x449/0x710 [ 4306.789119][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.789119][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.789119][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.789119][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.789119][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.789119][ T903] [ 4306.791273][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4306.791273][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4306.791273][ T903] ipv6_find_idev+0x102/0x170 [ 4306.791273][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.791273][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.791273][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.791273][ T903] netlink_unicast+0x449/0x710 [ 4306.791273][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.791273][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.791273][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.791273][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.791273][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.791273][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.791273][ T903] [ 4306.792964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4306.792964][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4306.792964][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4306.792964][ T903] ipv6_find_idev+0x102/0x170 [ 4306.792964][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.792964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.792964][ T903] netlink_rcv_skb+0x130/0x360 [ 4306.792964][ T903] netlink_unicast+0x449/0x710 [ 4306.792964][ T903] netlink_sendmsg+0x723/0xbe0 [ 4306.792964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4306.792964][ T903] ___sys_sendmsg+0xee/0x170 [ 4306.792964][ T903] __sys_sendmsg+0xcd/0x170 [ 4306.792964][ T903] do_syscall_64+0xc6/0x1e0 [ 4306.792964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.792964][ T903] [ 4317.037969][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4317.038708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4317.038708][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4317.038708][ T903] ip6_validate_gw+0x3eb/0x790 [ 4317.038708][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4317.038708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4317.038708][ T903] ip6_route_add+0x1c/0x140 [ 4317.038708][ T903] inet6_rtm_newroute+0x104/0x110 [ 4317.038708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.038708][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.038708][ T903] netlink_unicast+0x449/0x710 [ 4317.038708][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.038708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.038708][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.038708][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.038708][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.038708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.038708][ T903] [ 4317.040797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4317.040797][ T903] netdev_get_by_index+0x5e/0x80 [ 4317.040797][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4317.040797][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4317.040797][ T903] ip6_route_add+0x1c/0x140 [ 4317.040797][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4317.040797][ T903] inet6_addr_add+0x4f8/0xa40 [ 4317.040797][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.040797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.040797][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.040797][ T903] netlink_unicast+0x449/0x710 [ 4317.040797][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.040797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.040797][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.040797][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.040797][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.040797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.040797][ T903] [ 4317.043001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4317.043001][ T903] netdev_get_by_index+0x5e/0x80 [ 4317.043001][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4317.043001][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4317.043001][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4317.043001][ T903] ipv6_add_addr+0x411/0x2000 [ 4317.043001][ T903] inet6_addr_add+0x30e/0xa40 [ 4317.043001][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.043001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.043001][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.043001][ T903] netlink_unicast+0x449/0x710 [ 4317.043001][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.043001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.043001][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.043001][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.043001][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.043001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.043001][ T903] [ 4317.045189][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4317.045189][ T903] netdev_get_by_index+0x5e/0x80 [ 4317.045189][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4317.045189][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4317.045189][ T903] ip6_route_add+0x1c/0x140 [ 4317.045189][ T903] addrconf_add_mroute+0x129/0x180 [ 4317.045189][ T903] addrconf_add_dev+0xe2/0x170 [ 4317.045189][ T903] inet6_addr_add+0x12f/0xa40 [ 4317.045189][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4317.045189][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.045189][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.045189][ T903] netlink_unicast+0x449/0x710 [ 4317.045189][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.045189][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.045189][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.045189][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.045189][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.045189][ T903] [ 4317.047333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4317.047333][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4317.047333][ T903] ipv6_find_idev+0x102/0x170 [ 4317.047333][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.047333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.047333][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.047333][ T903] netlink_unicast+0x449/0x710 [ 4317.047333][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.047333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.047333][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.047333][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.047333][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.047333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.047333][ T903] [ 4317.049020][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4317.049020][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4317.049020][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4317.049020][ T903] ipv6_find_idev+0x102/0x170 [ 4317.049020][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4317.049020][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4317.049020][ T903] netlink_rcv_skb+0x130/0x360 [ 4317.049020][ T903] netlink_unicast+0x449/0x710 [ 4317.049020][ T903] netlink_sendmsg+0x723/0xbe0 [ 4317.049020][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4317.049020][ T903] ___sys_sendmsg+0xee/0x170 [ 4317.049020][ T903] __sys_sendmsg+0xcd/0x170 [ 4317.049020][ T903] do_syscall_64+0xc6/0x1e0 [ 4317.049020][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4317.049020][ T903] [ 4327.293822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4327.294461][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4327.294461][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4327.294461][ T903] ip6_validate_gw+0x3eb/0x790 [ 4327.294461][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4327.294461][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4327.294461][ T903] ip6_route_add+0x1c/0x140 [ 4327.294461][ T903] inet6_rtm_newroute+0x104/0x110 [ 4327.294461][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.294461][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.294461][ T903] netlink_unicast+0x449/0x710 [ 4327.294461][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.294461][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.294461][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.294461][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.294461][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.294461][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.294461][ T903] [ 4327.298012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4327.298012][ T903] netdev_get_by_index+0x5e/0x80 [ 4327.298012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4327.298012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4327.298012][ T903] ip6_route_add+0x1c/0x140 [ 4327.298012][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4327.298012][ T903] inet6_addr_add+0x4f8/0xa40 [ 4327.298012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.298012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.298012][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.298012][ T903] netlink_unicast+0x449/0x710 [ 4327.298012][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.298012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.298012][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.298012][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.298012][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.298012][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.298012][ T903] [ 4327.301663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4327.301663][ T903] netdev_get_by_index+0x5e/0x80 [ 4327.301663][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4327.301663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4327.301663][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4327.301663][ T903] ipv6_add_addr+0x411/0x2000 [ 4327.301663][ T903] inet6_addr_add+0x30e/0xa40 [ 4327.301663][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.301663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.301663][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.301663][ T903] netlink_unicast+0x449/0x710 [ 4327.301663][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.301663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.301663][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.301663][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.301663][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.301663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.301663][ T903] [ 4327.305328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4327.305328][ T903] netdev_get_by_index+0x5e/0x80 [ 4327.305328][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4327.305328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4327.305328][ T903] ip6_route_add+0x1c/0x140 [ 4327.305328][ T903] addrconf_add_mroute+0x129/0x180 [ 4327.305328][ T903] addrconf_add_dev+0xe2/0x170 [ 4327.305328][ T903] inet6_addr_add+0x12f/0xa40 [ 4327.305328][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4327.305328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.305328][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.305328][ T903] netlink_unicast+0x449/0x710 [ 4327.305328][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.305328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.305328][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.305328][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.305328][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.305328][ T903] [ 4327.308889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4327.308889][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4327.308889][ T903] ipv6_find_idev+0x102/0x170 [ 4327.308889][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.308889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.308889][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.308889][ T903] netlink_unicast+0x449/0x710 [ 4327.308889][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.308889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.308889][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.308889][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.308889][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.308889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.308889][ T903] [ 4327.311658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4327.311658][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4327.311658][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4327.311658][ T903] ipv6_find_idev+0x102/0x170 [ 4327.311658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4327.311658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4327.311658][ T903] netlink_rcv_skb+0x130/0x360 [ 4327.311658][ T903] netlink_unicast+0x449/0x710 [ 4327.311658][ T903] netlink_sendmsg+0x723/0xbe0 [ 4327.311658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4327.311658][ T903] ___sys_sendmsg+0xee/0x170 [ 4327.311658][ T903] __sys_sendmsg+0xcd/0x170 [ 4327.311658][ T903] do_syscall_64+0xc6/0x1e0 [ 4327.311658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4327.311658][ T903] [ 4337.565810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4337.566347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4337.566347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4337.566347][ T903] ip6_validate_gw+0x3eb/0x790 [ 4337.566347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4337.566347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4337.566347][ T903] ip6_route_add+0x1c/0x140 [ 4337.566347][ T903] inet6_rtm_newroute+0x104/0x110 [ 4337.566347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.566347][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.566347][ T903] netlink_unicast+0x449/0x710 [ 4337.566347][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.566347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.566347][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.566347][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.566347][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.566347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.566347][ T903] [ 4337.568532][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4337.568532][ T903] netdev_get_by_index+0x5e/0x80 [ 4337.568532][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4337.568532][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4337.568532][ T903] ip6_route_add+0x1c/0x140 [ 4337.568532][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4337.568532][ T903] inet6_addr_add+0x4f8/0xa40 [ 4337.568532][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.568532][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.568532][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.568532][ T903] netlink_unicast+0x449/0x710 [ 4337.568532][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.568532][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.568532][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.568532][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.568532][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.568532][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.568532][ T903] [ 4337.570727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4337.570727][ T903] netdev_get_by_index+0x5e/0x80 [ 4337.570727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4337.570727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4337.570727][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4337.570727][ T903] ipv6_add_addr+0x411/0x2000 [ 4337.570727][ T903] inet6_addr_add+0x30e/0xa40 [ 4337.570727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.570727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.570727][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.570727][ T903] netlink_unicast+0x449/0x710 [ 4337.570727][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.570727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.570727][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.570727][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.570727][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.570727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.570727][ T903] [ 4337.572933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4337.572933][ T903] netdev_get_by_index+0x5e/0x80 [ 4337.572933][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4337.572933][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4337.572933][ T903] ip6_route_add+0x1c/0x140 [ 4337.572933][ T903] addrconf_add_mroute+0x129/0x180 [ 4337.572933][ T903] addrconf_add_dev+0xe2/0x170 [ 4337.572933][ T903] inet6_addr_add+0x12f/0xa40 [ 4337.572933][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.572933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.572933][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.572933][ T903] netlink_unicast+0x449/0x710 [ 4337.572933][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.572933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.572933][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.572933][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.572933][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.572933][ T903] [ 4337.575091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4337.575091][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4337.575091][ T903] ipv6_find_idev+0x102/0x170 [ 4337.575091][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.575091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.575091][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.575091][ T903] netlink_unicast+0x449/0x710 [ 4337.575091][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.575091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.575091][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.575091][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.575091][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.575091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.575091][ T903] [ 4337.576780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4337.576780][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4337.576780][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4337.576780][ T903] ipv6_find_idev+0x102/0x170 [ 4337.576780][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.576780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.576780][ T903] netlink_rcv_skb+0x130/0x360 [ 4337.576780][ T903] netlink_unicast+0x449/0x710 [ 4337.576780][ T903] netlink_sendmsg+0x723/0xbe0 [ 4337.576780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4337.576780][ T903] ___sys_sendmsg+0xee/0x170 [ 4337.576780][ T903] __sys_sendmsg+0xcd/0x170 [ 4337.576780][ T903] do_syscall_64+0xc6/0x1e0 [ 4337.576780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.576780][ T903] [ 4347.829812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4347.830315][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4347.830315][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4347.830315][ T903] ip6_validate_gw+0x3eb/0x790 [ 4347.830315][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4347.830315][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4347.830315][ T903] ip6_route_add+0x1c/0x140 [ 4347.830315][ T903] inet6_rtm_newroute+0x104/0x110 [ 4347.830315][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.830315][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.830315][ T903] netlink_unicast+0x449/0x710 [ 4347.830315][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.830315][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.830315][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.830315][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.830315][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.830315][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.830315][ T903] [ 4347.832441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4347.832441][ T903] netdev_get_by_index+0x5e/0x80 [ 4347.832441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4347.832441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4347.832441][ T903] ip6_route_add+0x1c/0x140 [ 4347.832441][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4347.832441][ T903] inet6_addr_add+0x4f8/0xa40 [ 4347.832441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.832441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.832441][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.832441][ T903] netlink_unicast+0x449/0x710 [ 4347.832441][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.832441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.832441][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.832441][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.832441][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.832441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.832441][ T903] [ 4347.834628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4347.834628][ T903] netdev_get_by_index+0x5e/0x80 [ 4347.834628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4347.834628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4347.834628][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4347.834628][ T903] ipv6_add_addr+0x411/0x2000 [ 4347.834628][ T903] inet6_addr_add+0x30e/0xa40 [ 4347.834628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.834628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.834628][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.834628][ T903] netlink_unicast+0x449/0x710 [ 4347.834628][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.834628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.834628][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.834628][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.834628][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.834628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.834628][ T903] [ 4347.836810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4347.836810][ T903] netdev_get_by_index+0x5e/0x80 [ 4347.836810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4347.836810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4347.836810][ T903] ip6_route_add+0x1c/0x140 [ 4347.836810][ T903] addrconf_add_mroute+0x129/0x180 [ 4347.836810][ T903] addrconf_add_dev+0xe2/0x170 [ 4347.836810][ T903] inet6_addr_add+0x12f/0xa40 [ 4347.836810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.836810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.836810][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.836810][ T903] netlink_unicast+0x449/0x710 [ 4347.836810][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.836810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.836810][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.836810][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.836810][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.836810][ T903] [ 4347.838962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4347.838962][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4347.838962][ T903] ipv6_find_idev+0x102/0x170 [ 4347.838962][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.838962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.838962][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.838962][ T903] netlink_unicast+0x449/0x710 [ 4347.838962][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.838962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.838962][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.838962][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.838962][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.838962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.838962][ T903] [ 4347.840649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4347.840649][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4347.840649][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4347.840649][ T903] ipv6_find_idev+0x102/0x170 [ 4347.840649][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.840649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.840649][ T903] netlink_rcv_skb+0x130/0x360 [ 4347.840649][ T903] netlink_unicast+0x449/0x710 [ 4347.840649][ T903] netlink_sendmsg+0x723/0xbe0 [ 4347.840649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4347.840649][ T903] ___sys_sendmsg+0xee/0x170 [ 4347.840649][ T903] __sys_sendmsg+0xcd/0x170 [ 4347.840649][ T903] do_syscall_64+0xc6/0x1e0 [ 4347.840649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.840649][ T903] [ 4358.085868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4358.086643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4358.086643][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4358.086643][ T903] ip6_validate_gw+0x3eb/0x790 [ 4358.086643][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4358.086643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4358.086643][ T903] ip6_route_add+0x1c/0x140 [ 4358.086643][ T903] inet6_rtm_newroute+0x104/0x110 [ 4358.086643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.086643][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.086643][ T903] netlink_unicast+0x449/0x710 [ 4358.086643][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.086643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.086643][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.086643][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.086643][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.086643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.086643][ T903] [ 4358.088702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4358.088702][ T903] netdev_get_by_index+0x5e/0x80 [ 4358.088702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4358.088702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4358.088702][ T903] ip6_route_add+0x1c/0x140 [ 4358.088702][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4358.088702][ T903] inet6_addr_add+0x4f8/0xa40 [ 4358.088702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.088702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.088702][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.088702][ T903] netlink_unicast+0x449/0x710 [ 4358.088702][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.088702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.088702][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.088702][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.088702][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.088702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.088702][ T903] [ 4358.090884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4358.090884][ T903] netdev_get_by_index+0x5e/0x80 [ 4358.090884][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4358.090884][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4358.090884][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4358.090884][ T903] ipv6_add_addr+0x411/0x2000 [ 4358.090884][ T903] inet6_addr_add+0x30e/0xa40 [ 4358.090884][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.090884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.090884][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.090884][ T903] netlink_unicast+0x449/0x710 [ 4358.090884][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.090884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.090884][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.090884][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.090884][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.090884][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.090884][ T903] [ 4358.093066][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4358.093066][ T903] netdev_get_by_index+0x5e/0x80 [ 4358.093066][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4358.093066][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4358.093066][ T903] ip6_route_add+0x1c/0x140 [ 4358.093066][ T903] addrconf_add_mroute+0x129/0x180 [ 4358.093066][ T903] addrconf_add_dev+0xe2/0x170 [ 4358.093066][ T903] inet6_addr_add+0x12f/0xa40 [ 4358.093066][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4358.093066][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.093066][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.093066][ T903] netlink_unicast+0x449/0x710 [ 4358.093066][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.093066][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.093066][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.093066][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.093066][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.093066][ T903] [ 4358.095238][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4358.095238][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4358.095238][ T903] ipv6_find_idev+0x102/0x170 [ 4358.095238][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.095238][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.095238][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.095238][ T903] netlink_unicast+0x449/0x710 [ 4358.095238][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.095238][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.095238][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.095238][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.095238][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.095238][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.095238][ T903] [ 4358.096905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4358.096905][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4358.096905][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4358.096905][ T903] ipv6_find_idev+0x102/0x170 [ 4358.096905][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4358.096905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4358.096905][ T903] netlink_rcv_skb+0x130/0x360 [ 4358.096905][ T903] netlink_unicast+0x449/0x710 [ 4358.096905][ T903] netlink_sendmsg+0x723/0xbe0 [ 4358.096905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4358.096905][ T903] ___sys_sendmsg+0xee/0x170 [ 4358.096905][ T903] __sys_sendmsg+0xcd/0x170 [ 4358.096905][ T903] do_syscall_64+0xc6/0x1e0 [ 4358.096905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4358.096905][ T903] [ 4368.341874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4368.342688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4368.342688][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4368.342688][ T903] ip6_validate_gw+0x3eb/0x790 [ 4368.342688][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4368.342688][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4368.342688][ T903] ip6_route_add+0x1c/0x140 [ 4368.342688][ T903] inet6_rtm_newroute+0x104/0x110 [ 4368.342688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.342688][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.342688][ T903] netlink_unicast+0x449/0x710 [ 4368.342688][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.342688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.342688][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.342688][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.342688][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.342688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.342688][ T903] [ 4368.344812][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4368.344812][ T903] netdev_get_by_index+0x5e/0x80 [ 4368.344812][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4368.344812][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4368.344812][ T903] ip6_route_add+0x1c/0x140 [ 4368.344812][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4368.344812][ T903] inet6_addr_add+0x4f8/0xa40 [ 4368.344812][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.344812][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.344812][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.344812][ T903] netlink_unicast+0x449/0x710 [ 4368.344812][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.344812][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.344812][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.344812][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.344812][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.344812][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.344812][ T903] [ 4368.346992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4368.346992][ T903] netdev_get_by_index+0x5e/0x80 [ 4368.346992][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4368.346992][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4368.346992][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4368.346992][ T903] ipv6_add_addr+0x411/0x2000 [ 4368.346992][ T903] inet6_addr_add+0x30e/0xa40 [ 4368.346992][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.346992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.346992][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.346992][ T903] netlink_unicast+0x449/0x710 [ 4368.346992][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.346992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.346992][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.346992][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.346992][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.346992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.346992][ T903] [ 4368.349228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4368.349228][ T903] netdev_get_by_index+0x5e/0x80 [ 4368.349228][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4368.349228][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4368.349228][ T903] ip6_route_add+0x1c/0x140 [ 4368.349228][ T903] addrconf_add_mroute+0x129/0x180 [ 4368.349228][ T903] addrconf_add_dev+0xe2/0x170 [ 4368.349228][ T903] inet6_addr_add+0x12f/0xa40 [ 4368.349228][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4368.349228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.349228][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.349228][ T903] netlink_unicast+0x449/0x710 [ 4368.349228][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.349228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.349228][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.349228][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.349228][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.349228][ T903] [ 4368.351423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4368.351423][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4368.351423][ T903] ipv6_find_idev+0x102/0x170 [ 4368.351423][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.351423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.351423][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.351423][ T903] netlink_unicast+0x449/0x710 [ 4368.351423][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.351423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.351423][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.351423][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.351423][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.351423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.351423][ T903] [ 4368.353129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4368.353129][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4368.353129][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4368.353129][ T903] ipv6_find_idev+0x102/0x170 [ 4368.353129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4368.353129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4368.353129][ T903] netlink_rcv_skb+0x130/0x360 [ 4368.353129][ T903] netlink_unicast+0x449/0x710 [ 4368.353129][ T903] netlink_sendmsg+0x723/0xbe0 [ 4368.353129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4368.353129][ T903] ___sys_sendmsg+0xee/0x170 [ 4368.353129][ T903] __sys_sendmsg+0xcd/0x170 [ 4368.353129][ T903] do_syscall_64+0xc6/0x1e0 [ 4368.353129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4368.353129][ T903] [ 4378.357866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4378.359000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4378.359000][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4378.359000][ T903] ip6_validate_gw+0x3eb/0x790 [ 4378.359000][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4378.359000][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4378.359000][ T903] ip6_route_add+0x1c/0x140 [ 4378.359000][ T903] inet6_rtm_newroute+0x104/0x110 [ 4378.359000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.359000][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.359000][ T903] netlink_unicast+0x449/0x710 [ 4378.359000][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.359000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.359000][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.359000][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.359000][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.359000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.359000][ T903] [ 4378.361088][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4378.361088][ T903] netdev_get_by_index+0x5e/0x80 [ 4378.361088][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4378.361088][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4378.361088][ T903] ip6_route_add+0x1c/0x140 [ 4378.361088][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4378.361088][ T903] inet6_addr_add+0x4f8/0xa40 [ 4378.361088][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.361088][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.361088][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.361088][ T903] netlink_unicast+0x449/0x710 [ 4378.361088][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.361088][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.361088][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.361088][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.361088][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.361088][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.361088][ T903] [ 4378.363314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4378.363314][ T903] netdev_get_by_index+0x5e/0x80 [ 4378.363314][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4378.363314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4378.363314][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4378.363314][ T903] ipv6_add_addr+0x411/0x2000 [ 4378.363314][ T903] inet6_addr_add+0x30e/0xa40 [ 4378.363314][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.363314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.363314][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.363314][ T903] netlink_unicast+0x449/0x710 [ 4378.363314][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.363314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.363314][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.363314][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.363314][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.363314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.363314][ T903] [ 4378.365537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4378.365537][ T903] netdev_get_by_index+0x5e/0x80 [ 4378.365537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4378.365537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4378.365537][ T903] ip6_route_add+0x1c/0x140 [ 4378.365537][ T903] addrconf_add_mroute+0x129/0x180 [ 4378.365537][ T903] addrconf_add_dev+0xe2/0x170 [ 4378.365537][ T903] inet6_addr_add+0x12f/0xa40 [ 4378.365537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.365537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.365537][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.365537][ T903] netlink_unicast+0x449/0x710 [ 4378.365537][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.365537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.365537][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.365537][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.365537][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.365537][ T903] [ 4378.367719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4378.367719][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4378.367719][ T903] ipv6_find_idev+0x102/0x170 [ 4378.367719][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.367719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.367719][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.367719][ T903] netlink_unicast+0x449/0x710 [ 4378.367719][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.367719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.367719][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.367719][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.367719][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.367719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.367719][ T903] [ 4378.369423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4378.369423][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4378.369423][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4378.369423][ T903] ipv6_find_idev+0x102/0x170 [ 4378.369423][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.369423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.369423][ T903] netlink_rcv_skb+0x130/0x360 [ 4378.369423][ T903] netlink_unicast+0x449/0x710 [ 4378.369423][ T903] netlink_sendmsg+0x723/0xbe0 [ 4378.369423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4378.369423][ T903] ___sys_sendmsg+0xee/0x170 [ 4378.369423][ T903] __sys_sendmsg+0xcd/0x170 [ 4378.369423][ T903] do_syscall_64+0xc6/0x1e0 [ 4378.369423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.369423][ T903] [ 4388.501874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4388.502708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4388.502708][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4388.502708][ T903] ip6_validate_gw+0x3eb/0x790 [ 4388.502708][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4388.502708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4388.502708][ T903] ip6_route_add+0x1c/0x140 [ 4388.502708][ T903] inet6_rtm_newroute+0x104/0x110 [ 4388.502708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.502708][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.502708][ T903] netlink_unicast+0x449/0x710 [ 4388.502708][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.502708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.502708][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.502708][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.502708][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.502708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.502708][ T903] [ 4388.504816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4388.504816][ T903] netdev_get_by_index+0x5e/0x80 [ 4388.504816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4388.504816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4388.504816][ T903] ip6_route_add+0x1c/0x140 [ 4388.504816][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4388.504816][ T903] inet6_addr_add+0x4f8/0xa40 [ 4388.504816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.504816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.504816][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.504816][ T903] netlink_unicast+0x449/0x710 [ 4388.504816][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.504816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.504816][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.504816][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.504816][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.504816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.504816][ T903] [ 4388.506974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4388.506974][ T903] netdev_get_by_index+0x5e/0x80 [ 4388.506974][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4388.506974][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4388.506974][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4388.506974][ T903] ipv6_add_addr+0x411/0x2000 [ 4388.506974][ T903] inet6_addr_add+0x30e/0xa40 [ 4388.506974][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.506974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.506974][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.506974][ T903] netlink_unicast+0x449/0x710 [ 4388.506974][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.506974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.506974][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.506974][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.506974][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.506974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.506974][ T903] [ 4388.509137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4388.509137][ T903] netdev_get_by_index+0x5e/0x80 [ 4388.509137][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4388.509137][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4388.509137][ T903] ip6_route_add+0x1c/0x140 [ 4388.509137][ T903] addrconf_add_mroute+0x129/0x180 [ 4388.509137][ T903] addrconf_add_dev+0xe2/0x170 [ 4388.509137][ T903] inet6_addr_add+0x12f/0xa40 [ 4388.509137][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.509137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.509137][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.509137][ T903] netlink_unicast+0x449/0x710 [ 4388.509137][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.509137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.509137][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.509137][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.509137][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.509137][ T903] [ 4388.511251][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4388.511251][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4388.511251][ T903] ipv6_find_idev+0x102/0x170 [ 4388.511251][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.511251][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.511251][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.511251][ T903] netlink_unicast+0x449/0x710 [ 4388.511251][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.511251][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.511251][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.511251][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.511251][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.511251][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.511251][ T903] [ 4388.512911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4388.512911][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4388.512911][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4388.512911][ T903] ipv6_find_idev+0x102/0x170 [ 4388.512911][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.512911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.512911][ T903] netlink_rcv_skb+0x130/0x360 [ 4388.512911][ T903] netlink_unicast+0x449/0x710 [ 4388.512911][ T903] netlink_sendmsg+0x723/0xbe0 [ 4388.512911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4388.512911][ T903] ___sys_sendmsg+0xee/0x170 [ 4388.512911][ T903] __sys_sendmsg+0xcd/0x170 [ 4388.512911][ T903] do_syscall_64+0xc6/0x1e0 [ 4388.512911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.512911][ T903] [ 4398.757831][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4398.758386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4398.758386][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4398.758386][ T903] ip6_validate_gw+0x3eb/0x790 [ 4398.758386][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4398.758386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4398.758386][ T903] ip6_route_add+0x1c/0x140 [ 4398.758386][ T903] inet6_rtm_newroute+0x104/0x110 [ 4398.758386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.758386][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.758386][ T903] netlink_unicast+0x449/0x710 [ 4398.758386][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.758386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.758386][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.758386][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.758386][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.758386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.758386][ T903] [ 4398.760458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4398.760458][ T903] netdev_get_by_index+0x5e/0x80 [ 4398.760458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4398.760458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4398.760458][ T903] ip6_route_add+0x1c/0x140 [ 4398.760458][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4398.760458][ T903] inet6_addr_add+0x4f8/0xa40 [ 4398.760458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.760458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.760458][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.760458][ T903] netlink_unicast+0x449/0x710 [ 4398.760458][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.760458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.760458][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.760458][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.760458][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.760458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.760458][ T903] [ 4398.762716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4398.762716][ T903] netdev_get_by_index+0x5e/0x80 [ 4398.762716][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4398.762716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4398.762716][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4398.762716][ T903] ipv6_add_addr+0x411/0x2000 [ 4398.762716][ T903] inet6_addr_add+0x30e/0xa40 [ 4398.762716][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.762716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.762716][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.762716][ T903] netlink_unicast+0x449/0x710 [ 4398.762716][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.762716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.762716][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.762716][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.762716][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.762716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.762716][ T903] [ 4398.764870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4398.764870][ T903] netdev_get_by_index+0x5e/0x80 [ 4398.764870][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4398.764870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4398.764870][ T903] ip6_route_add+0x1c/0x140 [ 4398.764870][ T903] addrconf_add_mroute+0x129/0x180 [ 4398.764870][ T903] addrconf_add_dev+0xe2/0x170 [ 4398.764870][ T903] inet6_addr_add+0x12f/0xa40 [ 4398.764870][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.764870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.764870][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.764870][ T903] netlink_unicast+0x449/0x710 [ 4398.764870][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.764870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.764870][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.764870][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.764870][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.764870][ T903] [ 4398.766988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4398.766988][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4398.766988][ T903] ipv6_find_idev+0x102/0x170 [ 4398.766988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.766988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.766988][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.766988][ T903] netlink_unicast+0x449/0x710 [ 4398.766988][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.766988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.766988][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.766988][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.766988][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.766988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.766988][ T903] [ 4398.768636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4398.768636][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4398.768636][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4398.768636][ T903] ipv6_find_idev+0x102/0x170 [ 4398.768636][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.768636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.768636][ T903] netlink_rcv_skb+0x130/0x360 [ 4398.768636][ T903] netlink_unicast+0x449/0x710 [ 4398.768636][ T903] netlink_sendmsg+0x723/0xbe0 [ 4398.768636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4398.768636][ T903] ___sys_sendmsg+0xee/0x170 [ 4398.768636][ T903] __sys_sendmsg+0xcd/0x170 [ 4398.768636][ T903] do_syscall_64+0xc6/0x1e0 [ 4398.768636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.768636][ T903] [ 4409.013811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4409.014331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4409.014331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4409.014331][ T903] ip6_validate_gw+0x3eb/0x790 [ 4409.014331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4409.014331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4409.014331][ T903] ip6_route_add+0x1c/0x140 [ 4409.014331][ T903] inet6_rtm_newroute+0x104/0x110 [ 4409.014331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.014331][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.014331][ T903] netlink_unicast+0x449/0x710 [ 4409.014331][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.014331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.014331][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.014331][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.014331][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.014331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.014331][ T903] [ 4409.016429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4409.016429][ T903] netdev_get_by_index+0x5e/0x80 [ 4409.016429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4409.016429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4409.016429][ T903] ip6_route_add+0x1c/0x140 [ 4409.016429][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4409.016429][ T903] inet6_addr_add+0x4f8/0xa40 [ 4409.016429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.016429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.016429][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.016429][ T903] netlink_unicast+0x449/0x710 [ 4409.016429][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.016429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.016429][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.016429][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.016429][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.016429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.016429][ T903] [ 4409.018626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4409.018626][ T903] netdev_get_by_index+0x5e/0x80 [ 4409.018626][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4409.018626][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4409.018626][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4409.018626][ T903] ipv6_add_addr+0x411/0x2000 [ 4409.018626][ T903] inet6_addr_add+0x30e/0xa40 [ 4409.018626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.018626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.018626][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.018626][ T903] netlink_unicast+0x449/0x710 [ 4409.018626][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.018626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.018626][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.018626][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.018626][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.018626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.018626][ T903] [ 4409.020814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4409.020814][ T903] netdev_get_by_index+0x5e/0x80 [ 4409.020814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4409.020814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4409.020814][ T903] ip6_route_add+0x1c/0x140 [ 4409.020814][ T903] addrconf_add_mroute+0x129/0x180 [ 4409.020814][ T903] addrconf_add_dev+0xe2/0x170 [ 4409.020814][ T903] inet6_addr_add+0x12f/0xa40 [ 4409.020814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4409.020814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.020814][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.020814][ T903] netlink_unicast+0x449/0x710 [ 4409.020814][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.020814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.020814][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.020814][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.020814][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.020814][ T903] [ 4409.022999][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4409.022999][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4409.022999][ T903] ipv6_find_idev+0x102/0x170 [ 4409.022999][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.022999][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.022999][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.022999][ T903] netlink_unicast+0x449/0x710 [ 4409.022999][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.022999][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.022999][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.022999][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.022999][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.022999][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.022999][ T903] [ 4409.024717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4409.024717][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4409.024717][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4409.024717][ T903] ipv6_find_idev+0x102/0x170 [ 4409.024717][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4409.024717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4409.024717][ T903] netlink_rcv_skb+0x130/0x360 [ 4409.024717][ T903] netlink_unicast+0x449/0x710 [ 4409.024717][ T903] netlink_sendmsg+0x723/0xbe0 [ 4409.024717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4409.024717][ T903] ___sys_sendmsg+0xee/0x170 [ 4409.024717][ T903] __sys_sendmsg+0xcd/0x170 [ 4409.024717][ T903] do_syscall_64+0xc6/0x1e0 [ 4409.024717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4409.024717][ T903] [ 4419.269868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4419.270944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4419.270944][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4419.270944][ T903] ip6_validate_gw+0x3eb/0x790 [ 4419.270944][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4419.270944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4419.270944][ T903] ip6_route_add+0x1c/0x140 [ 4419.270944][ T903] inet6_rtm_newroute+0x104/0x110 [ 4419.270944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.270944][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.270944][ T903] netlink_unicast+0x449/0x710 [ 4419.270944][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.270944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.270944][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.270944][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.270944][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.270944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.270944][ T903] [ 4419.273086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4419.273086][ T903] netdev_get_by_index+0x5e/0x80 [ 4419.273086][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4419.273086][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4419.273086][ T903] ip6_route_add+0x1c/0x140 [ 4419.273086][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4419.273086][ T903] inet6_addr_add+0x4f8/0xa40 [ 4419.273086][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.273086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.273086][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.273086][ T903] netlink_unicast+0x449/0x710 [ 4419.273086][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.273086][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.273086][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.273086][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.273086][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.273086][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.273086][ T903] [ 4419.275257][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4419.275257][ T903] netdev_get_by_index+0x5e/0x80 [ 4419.275257][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4419.275257][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4419.275257][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4419.275257][ T903] ipv6_add_addr+0x411/0x2000 [ 4419.275257][ T903] inet6_addr_add+0x30e/0xa40 [ 4419.275257][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.275257][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.275257][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.275257][ T903] netlink_unicast+0x449/0x710 [ 4419.275257][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.275257][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.275257][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.275257][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.275257][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.275257][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.275257][ T903] [ 4419.277465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4419.277465][ T903] netdev_get_by_index+0x5e/0x80 [ 4419.277465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4419.277465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4419.277465][ T903] ip6_route_add+0x1c/0x140 [ 4419.277465][ T903] addrconf_add_mroute+0x129/0x180 [ 4419.277465][ T903] addrconf_add_dev+0xe2/0x170 [ 4419.277465][ T903] inet6_addr_add+0x12f/0xa40 [ 4419.277465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4419.277465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.277465][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.277465][ T903] netlink_unicast+0x449/0x710 [ 4419.277465][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.277465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.277465][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.277465][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.277465][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.277465][ T903] [ 4419.279634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4419.279634][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4419.279634][ T903] ipv6_find_idev+0x102/0x170 [ 4419.279634][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.279634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.279634][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.279634][ T903] netlink_unicast+0x449/0x710 [ 4419.279634][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.279634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.279634][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.279634][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.279634][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.279634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.279634][ T903] [ 4419.281269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4419.281269][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4419.281269][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4419.281269][ T903] ipv6_find_idev+0x102/0x170 [ 4419.281269][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4419.281269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4419.281269][ T903] netlink_rcv_skb+0x130/0x360 [ 4419.281269][ T903] netlink_unicast+0x449/0x710 [ 4419.281269][ T903] netlink_sendmsg+0x723/0xbe0 [ 4419.281269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4419.281269][ T903] ___sys_sendmsg+0xee/0x170 [ 4419.281269][ T903] __sys_sendmsg+0xcd/0x170 [ 4419.281269][ T903] do_syscall_64+0xc6/0x1e0 [ 4419.281269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4419.281269][ T903] [ 4429.525858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4429.526662][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4429.526662][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4429.526662][ T903] ip6_validate_gw+0x3eb/0x790 [ 4429.526662][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4429.526662][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4429.526662][ T903] ip6_route_add+0x1c/0x140 [ 4429.526662][ T903] inet6_rtm_newroute+0x104/0x110 [ 4429.526662][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.526662][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.526662][ T903] netlink_unicast+0x449/0x710 [ 4429.526662][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.526662][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.526662][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.526662][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.526662][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.526662][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.526662][ T903] [ 4429.530798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4429.530798][ T903] netdev_get_by_index+0x5e/0x80 [ 4429.530798][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4429.530798][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4429.530798][ T903] ip6_route_add+0x1c/0x140 [ 4429.530798][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4429.530798][ T903] inet6_addr_add+0x4f8/0xa40 [ 4429.530798][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.530798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.530798][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.530798][ T903] netlink_unicast+0x449/0x710 [ 4429.530798][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.530798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.530798][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.530798][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.530798][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.530798][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.530798][ T903] [ 4429.535166][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4429.535166][ T903] netdev_get_by_index+0x5e/0x80 [ 4429.535166][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4429.535166][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4429.535166][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4429.535166][ T903] ipv6_add_addr+0x411/0x2000 [ 4429.535166][ T903] inet6_addr_add+0x30e/0xa40 [ 4429.535166][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.535166][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.535166][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.535166][ T903] netlink_unicast+0x449/0x710 [ 4429.535166][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.535166][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.535166][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.535166][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.535166][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.535166][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.535166][ T903] [ 4429.539626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4429.539626][ T903] netdev_get_by_index+0x5e/0x80 [ 4429.539626][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4429.539626][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4429.539626][ T903] ip6_route_add+0x1c/0x140 [ 4429.539626][ T903] addrconf_add_mroute+0x129/0x180 [ 4429.539626][ T903] addrconf_add_dev+0xe2/0x170 [ 4429.539626][ T903] inet6_addr_add+0x12f/0xa40 [ 4429.539626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.539626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.539626][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.539626][ T903] netlink_unicast+0x449/0x710 [ 4429.539626][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.539626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.539626][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.539626][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.539626][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.539626][ T903] [ 4429.543973][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4429.543973][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4429.543973][ T903] ipv6_find_idev+0x102/0x170 [ 4429.543973][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.543973][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.543973][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.543973][ T903] netlink_unicast+0x449/0x710 [ 4429.543973][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.543973][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.543973][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.543973][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.543973][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.543973][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.543973][ T903] [ 4429.547392][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4429.547392][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4429.547392][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4429.547392][ T903] ipv6_find_idev+0x102/0x170 [ 4429.547392][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.547392][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.547392][ T903] netlink_rcv_skb+0x130/0x360 [ 4429.547392][ T903] netlink_unicast+0x449/0x710 [ 4429.547392][ T903] netlink_sendmsg+0x723/0xbe0 [ 4429.547392][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4429.547392][ T903] ___sys_sendmsg+0xee/0x170 [ 4429.547392][ T903] __sys_sendmsg+0xcd/0x170 [ 4429.547392][ T903] do_syscall_64+0xc6/0x1e0 [ 4429.547392][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.547392][ T903] [ 4439.789801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4439.790396][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4439.790396][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4439.790396][ T903] ip6_validate_gw+0x3eb/0x790 [ 4439.790396][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4439.790396][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4439.790396][ T903] ip6_route_add+0x1c/0x140 [ 4439.790396][ T903] inet6_rtm_newroute+0x104/0x110 [ 4439.790396][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.790396][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.790396][ T903] netlink_unicast+0x449/0x710 [ 4439.790396][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.790396][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.790396][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.790396][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.790396][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.790396][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.790396][ T903] [ 4439.792544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4439.792544][ T903] netdev_get_by_index+0x5e/0x80 [ 4439.792544][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4439.792544][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4439.792544][ T903] ip6_route_add+0x1c/0x140 [ 4439.792544][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4439.792544][ T903] inet6_addr_add+0x4f8/0xa40 [ 4439.792544][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.792544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.792544][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.792544][ T903] netlink_unicast+0x449/0x710 [ 4439.792544][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.792544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.792544][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.792544][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.792544][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.792544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.792544][ T903] [ 4439.794743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4439.794743][ T903] netdev_get_by_index+0x5e/0x80 [ 4439.794743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4439.794743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4439.794743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4439.794743][ T903] ipv6_add_addr+0x411/0x2000 [ 4439.794743][ T903] inet6_addr_add+0x30e/0xa40 [ 4439.794743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.794743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.794743][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.794743][ T903] netlink_unicast+0x449/0x710 [ 4439.794743][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.794743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.794743][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.794743][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.794743][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.794743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.794743][ T903] [ 4439.796932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4439.796932][ T903] netdev_get_by_index+0x5e/0x80 [ 4439.796932][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4439.796932][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4439.796932][ T903] ip6_route_add+0x1c/0x140 [ 4439.796932][ T903] addrconf_add_mroute+0x129/0x180 [ 4439.796932][ T903] addrconf_add_dev+0xe2/0x170 [ 4439.796932][ T903] inet6_addr_add+0x12f/0xa40 [ 4439.796932][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.796932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.796932][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.796932][ T903] netlink_unicast+0x449/0x710 [ 4439.796932][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.796932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.796932][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.796932][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.796932][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.796932][ T903] [ 4439.799086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4439.799086][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4439.799086][ T903] ipv6_find_idev+0x102/0x170 [ 4439.799086][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.799086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.799086][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.799086][ T903] netlink_unicast+0x449/0x710 [ 4439.799086][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.799086][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.799086][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.799086][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.799086][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.799086][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.799086][ T903] [ 4439.800779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4439.800779][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4439.800779][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4439.800779][ T903] ipv6_find_idev+0x102/0x170 [ 4439.800779][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.800779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.800779][ T903] netlink_rcv_skb+0x130/0x360 [ 4439.800779][ T903] netlink_unicast+0x449/0x710 [ 4439.800779][ T903] netlink_sendmsg+0x723/0xbe0 [ 4439.800779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4439.800779][ T903] ___sys_sendmsg+0xee/0x170 [ 4439.800779][ T903] __sys_sendmsg+0xcd/0x170 [ 4439.800779][ T903] do_syscall_64+0xc6/0x1e0 [ 4439.800779][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.800779][ T903] [ 4450.045827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4450.046342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4450.046342][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4450.046342][ T903] ip6_validate_gw+0x3eb/0x790 [ 4450.046342][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4450.046342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4450.046342][ T903] ip6_route_add+0x1c/0x140 [ 4450.046342][ T903] inet6_rtm_newroute+0x104/0x110 [ 4450.046342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.046342][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.046342][ T903] netlink_unicast+0x449/0x710 [ 4450.046342][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.046342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.046342][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.046342][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.046342][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.046342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.046342][ T903] [ 4450.048448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4450.048448][ T903] netdev_get_by_index+0x5e/0x80 [ 4450.048448][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4450.048448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4450.048448][ T903] ip6_route_add+0x1c/0x140 [ 4450.048448][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4450.048448][ T903] inet6_addr_add+0x4f8/0xa40 [ 4450.048448][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.048448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.048448][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.048448][ T903] netlink_unicast+0x449/0x710 [ 4450.048448][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.048448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.048448][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.048448][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.048448][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.048448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.048448][ T903] [ 4450.050664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4450.050664][ T903] netdev_get_by_index+0x5e/0x80 [ 4450.050664][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4450.050664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4450.050664][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4450.050664][ T903] ipv6_add_addr+0x411/0x2000 [ 4450.050664][ T903] inet6_addr_add+0x30e/0xa40 [ 4450.050664][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.050664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.050664][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.050664][ T903] netlink_unicast+0x449/0x710 [ 4450.050664][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.050664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.050664][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.050664][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.050664][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.050664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.050664][ T903] [ 4450.052890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4450.052890][ T903] netdev_get_by_index+0x5e/0x80 [ 4450.052890][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4450.052890][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4450.052890][ T903] ip6_route_add+0x1c/0x140 [ 4450.052890][ T903] addrconf_add_mroute+0x129/0x180 [ 4450.052890][ T903] addrconf_add_dev+0xe2/0x170 [ 4450.052890][ T903] inet6_addr_add+0x12f/0xa40 [ 4450.052890][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4450.052890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.052890][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.052890][ T903] netlink_unicast+0x449/0x710 [ 4450.052890][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.052890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.052890][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.052890][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.052890][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.052890][ T903] [ 4450.055040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4450.055040][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4450.055040][ T903] ipv6_find_idev+0x102/0x170 [ 4450.055040][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.055040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.055040][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.055040][ T903] netlink_unicast+0x449/0x710 [ 4450.055040][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.055040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.055040][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.055040][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.055040][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.055040][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.055040][ T903] [ 4450.056726][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4450.056726][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4450.056726][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4450.056726][ T903] ipv6_find_idev+0x102/0x170 [ 4450.056726][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4450.056726][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4450.056726][ T903] netlink_rcv_skb+0x130/0x360 [ 4450.056726][ T903] netlink_unicast+0x449/0x710 [ 4450.056726][ T903] netlink_sendmsg+0x723/0xbe0 [ 4450.056726][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4450.056726][ T903] ___sys_sendmsg+0xee/0x170 [ 4450.056726][ T903] __sys_sendmsg+0xcd/0x170 [ 4450.056726][ T903] do_syscall_64+0xc6/0x1e0 [ 4450.056726][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4450.056726][ T903] [ 4460.309806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4460.310366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4460.310366][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4460.310366][ T903] ip6_validate_gw+0x3eb/0x790 [ 4460.310366][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4460.310366][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4460.310366][ T903] ip6_route_add+0x1c/0x140 [ 4460.310366][ T903] inet6_rtm_newroute+0x104/0x110 [ 4460.310366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.310366][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.310366][ T903] netlink_unicast+0x449/0x710 [ 4460.310366][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.310366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.310366][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.310366][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.310366][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.310366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.310366][ T903] [ 4460.312522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4460.312522][ T903] netdev_get_by_index+0x5e/0x80 [ 4460.312522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4460.312522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4460.312522][ T903] ip6_route_add+0x1c/0x140 [ 4460.312522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4460.312522][ T903] inet6_addr_add+0x4f8/0xa40 [ 4460.312522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.312522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.312522][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.312522][ T903] netlink_unicast+0x449/0x710 [ 4460.312522][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.312522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.312522][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.312522][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.312522][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.312522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.312522][ T903] [ 4460.314743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4460.314743][ T903] netdev_get_by_index+0x5e/0x80 [ 4460.314743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4460.314743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4460.314743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4460.314743][ T903] ipv6_add_addr+0x411/0x2000 [ 4460.314743][ T903] inet6_addr_add+0x30e/0xa40 [ 4460.314743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.314743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.314743][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.314743][ T903] netlink_unicast+0x449/0x710 [ 4460.314743][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.314743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.314743][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.314743][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.314743][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.314743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.314743][ T903] [ 4460.316955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4460.316955][ T903] netdev_get_by_index+0x5e/0x80 [ 4460.316955][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4460.316955][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4460.316955][ T903] ip6_route_add+0x1c/0x140 [ 4460.316955][ T903] addrconf_add_mroute+0x129/0x180 [ 4460.316955][ T903] addrconf_add_dev+0xe2/0x170 [ 4460.316955][ T903] inet6_addr_add+0x12f/0xa40 [ 4460.316955][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4460.316955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.316955][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.316955][ T903] netlink_unicast+0x449/0x710 [ 4460.316955][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.316955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.316955][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.316955][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.316955][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.316955][ T903] [ 4460.319236][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4460.319236][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4460.319236][ T903] ipv6_find_idev+0x102/0x170 [ 4460.319236][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.319236][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.319236][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.319236][ T903] netlink_unicast+0x449/0x710 [ 4460.319236][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.319236][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.319236][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.319236][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.319236][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.319236][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.319236][ T903] [ 4460.320956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4460.320956][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4460.320956][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4460.320956][ T903] ipv6_find_idev+0x102/0x170 [ 4460.320956][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4460.320956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4460.320956][ T903] netlink_rcv_skb+0x130/0x360 [ 4460.320956][ T903] netlink_unicast+0x449/0x710 [ 4460.320956][ T903] netlink_sendmsg+0x723/0xbe0 [ 4460.320956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4460.320956][ T903] ___sys_sendmsg+0xee/0x170 [ 4460.320956][ T903] __sys_sendmsg+0xcd/0x170 [ 4460.320956][ T903] do_syscall_64+0xc6/0x1e0 [ 4460.320956][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4460.320956][ T903] [ 4470.565830][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4470.566327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4470.566327][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4470.566327][ T903] ip6_validate_gw+0x3eb/0x790 [ 4470.566327][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4470.566327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4470.566327][ T903] ip6_route_add+0x1c/0x140 [ 4470.566327][ T903] inet6_rtm_newroute+0x104/0x110 [ 4470.566327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.566327][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.566327][ T903] netlink_unicast+0x449/0x710 [ 4470.566327][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.566327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.566327][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.566327][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.566327][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.566327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.566327][ T903] [ 4470.568437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4470.568437][ T903] netdev_get_by_index+0x5e/0x80 [ 4470.568437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4470.568437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4470.568437][ T903] ip6_route_add+0x1c/0x140 [ 4470.568437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4470.568437][ T903] inet6_addr_add+0x4f8/0xa40 [ 4470.568437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.568437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.568437][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.568437][ T903] netlink_unicast+0x449/0x710 [ 4470.568437][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.568437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.568437][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.568437][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.568437][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.568437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.568437][ T903] [ 4470.570636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4470.570636][ T903] netdev_get_by_index+0x5e/0x80 [ 4470.570636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4470.570636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4470.570636][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4470.570636][ T903] ipv6_add_addr+0x411/0x2000 [ 4470.570636][ T903] inet6_addr_add+0x30e/0xa40 [ 4470.570636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.570636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.570636][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.570636][ T903] netlink_unicast+0x449/0x710 [ 4470.570636][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.570636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.570636][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.570636][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.570636][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.570636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.570636][ T903] [ 4470.572833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4470.572833][ T903] netdev_get_by_index+0x5e/0x80 [ 4470.572833][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4470.572833][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4470.572833][ T903] ip6_route_add+0x1c/0x140 [ 4470.572833][ T903] addrconf_add_mroute+0x129/0x180 [ 4470.572833][ T903] addrconf_add_dev+0xe2/0x170 [ 4470.572833][ T903] inet6_addr_add+0x12f/0xa40 [ 4470.572833][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.572833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.572833][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.572833][ T903] netlink_unicast+0x449/0x710 [ 4470.572833][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.572833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.572833][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.572833][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.572833][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.572833][ T903] [ 4470.574990][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4470.574990][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4470.574990][ T903] ipv6_find_idev+0x102/0x170 [ 4470.574990][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.574990][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.574990][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.574990][ T903] netlink_unicast+0x449/0x710 [ 4470.574990][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.574990][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.574990][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.574990][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.574990][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.574990][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.574990][ T903] [ 4470.576671][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4470.576671][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4470.576671][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4470.576671][ T903] ipv6_find_idev+0x102/0x170 [ 4470.576671][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.576671][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.576671][ T903] netlink_rcv_skb+0x130/0x360 [ 4470.576671][ T903] netlink_unicast+0x449/0x710 [ 4470.576671][ T903] netlink_sendmsg+0x723/0xbe0 [ 4470.576671][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4470.576671][ T903] ___sys_sendmsg+0xee/0x170 [ 4470.576671][ T903] __sys_sendmsg+0xcd/0x170 [ 4470.576671][ T903] do_syscall_64+0xc6/0x1e0 [ 4470.576671][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.576671][ T903] [ 4480.605803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4480.606419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4480.606419][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4480.606419][ T903] ip6_validate_gw+0x3eb/0x790 [ 4480.606419][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4480.606419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4480.606419][ T903] ip6_route_add+0x1c/0x140 [ 4480.606419][ T903] inet6_rtm_newroute+0x104/0x110 [ 4480.606419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.606419][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.606419][ T903] netlink_unicast+0x449/0x710 [ 4480.606419][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.606419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.606419][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.606419][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.606419][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.606419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.606419][ T903] [ 4480.609658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4480.609658][ T903] netdev_get_by_index+0x5e/0x80 [ 4480.609658][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4480.609658][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4480.609658][ T903] ip6_route_add+0x1c/0x140 [ 4480.609658][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4480.609658][ T903] inet6_addr_add+0x4f8/0xa40 [ 4480.609658][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.609658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.609658][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.609658][ T903] netlink_unicast+0x449/0x710 [ 4480.609658][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.609658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.609658][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.609658][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.609658][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.609658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.609658][ T903] [ 4480.613196][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4480.613196][ T903] netdev_get_by_index+0x5e/0x80 [ 4480.613196][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4480.613196][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4480.613196][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4480.613196][ T903] ipv6_add_addr+0x411/0x2000 [ 4480.613196][ T903] inet6_addr_add+0x30e/0xa40 [ 4480.613196][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.613196][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.613196][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.613196][ T903] netlink_unicast+0x449/0x710 [ 4480.613196][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.613196][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.613196][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.613196][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.613196][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.613196][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.613196][ T903] [ 4480.616731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4480.616731][ T903] netdev_get_by_index+0x5e/0x80 [ 4480.616731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4480.616731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4480.616731][ T903] ip6_route_add+0x1c/0x140 [ 4480.616731][ T903] addrconf_add_mroute+0x129/0x180 [ 4480.616731][ T903] addrconf_add_dev+0xe2/0x170 [ 4480.616731][ T903] inet6_addr_add+0x12f/0xa40 [ 4480.616731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.616731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.616731][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.616731][ T903] netlink_unicast+0x449/0x710 [ 4480.616731][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.616731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.616731][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.616731][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.616731][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.616731][ T903] [ 4480.620052][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4480.620052][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4480.620052][ T903] ipv6_find_idev+0x102/0x170 [ 4480.620052][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.620052][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.620052][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.620052][ T903] netlink_unicast+0x449/0x710 [ 4480.620052][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.620052][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.620052][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.620052][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.620052][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.620052][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.620052][ T903] [ 4480.622826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4480.622826][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4480.622826][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4480.622826][ T903] ipv6_find_idev+0x102/0x170 [ 4480.622826][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.622826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.622826][ T903] netlink_rcv_skb+0x130/0x360 [ 4480.622826][ T903] netlink_unicast+0x449/0x710 [ 4480.622826][ T903] netlink_sendmsg+0x723/0xbe0 [ 4480.622826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4480.622826][ T903] ___sys_sendmsg+0xee/0x170 [ 4480.622826][ T903] __sys_sendmsg+0xcd/0x170 [ 4480.622826][ T903] do_syscall_64+0xc6/0x1e0 [ 4480.622826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.622826][ T903] [ 4490.861800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4490.862244][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4490.862244][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4490.862244][ T903] ip6_validate_gw+0x3eb/0x790 [ 4490.862244][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4490.862244][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4490.862244][ T903] ip6_route_add+0x1c/0x140 [ 4490.862244][ T903] inet6_rtm_newroute+0x104/0x110 [ 4490.862244][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.862244][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.862244][ T903] netlink_unicast+0x449/0x710 [ 4490.862244][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.862244][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.862244][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.862244][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.862244][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.862244][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.862244][ T903] [ 4490.864339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4490.864339][ T903] netdev_get_by_index+0x5e/0x80 [ 4490.864339][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4490.864339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4490.864339][ T903] ip6_route_add+0x1c/0x140 [ 4490.864339][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4490.864339][ T903] inet6_addr_add+0x4f8/0xa40 [ 4490.864339][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.864339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.864339][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.864339][ T903] netlink_unicast+0x449/0x710 [ 4490.864339][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.864339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.864339][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.864339][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.864339][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.864339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.864339][ T903] [ 4490.866539][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4490.866539][ T903] netdev_get_by_index+0x5e/0x80 [ 4490.866539][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4490.866539][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4490.866539][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4490.866539][ T903] ipv6_add_addr+0x411/0x2000 [ 4490.866539][ T903] inet6_addr_add+0x30e/0xa40 [ 4490.866539][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.866539][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.866539][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.866539][ T903] netlink_unicast+0x449/0x710 [ 4490.866539][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.866539][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.866539][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.866539][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.866539][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.866539][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.866539][ T903] [ 4490.868726][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4490.868726][ T903] netdev_get_by_index+0x5e/0x80 [ 4490.868726][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4490.868726][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4490.868726][ T903] ip6_route_add+0x1c/0x140 [ 4490.868726][ T903] addrconf_add_mroute+0x129/0x180 [ 4490.868726][ T903] addrconf_add_dev+0xe2/0x170 [ 4490.868726][ T903] inet6_addr_add+0x12f/0xa40 [ 4490.868726][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.868726][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.868726][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.868726][ T903] netlink_unicast+0x449/0x710 [ 4490.868726][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.868726][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.868726][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.868726][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.868726][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.868726][ T903] [ 4490.870879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4490.870879][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4490.870879][ T903] ipv6_find_idev+0x102/0x170 [ 4490.870879][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.870879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.870879][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.870879][ T903] netlink_unicast+0x449/0x710 [ 4490.870879][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.870879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.870879][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.870879][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.870879][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.870879][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.870879][ T903] [ 4490.872578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4490.872578][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4490.872578][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4490.872578][ T903] ipv6_find_idev+0x102/0x170 [ 4490.872578][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.872578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.872578][ T903] netlink_rcv_skb+0x130/0x360 [ 4490.872578][ T903] netlink_unicast+0x449/0x710 [ 4490.872578][ T903] netlink_sendmsg+0x723/0xbe0 [ 4490.872578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4490.872578][ T903] ___sys_sendmsg+0xee/0x170 [ 4490.872578][ T903] __sys_sendmsg+0xcd/0x170 [ 4490.872578][ T903] do_syscall_64+0xc6/0x1e0 [ 4490.872578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.872578][ T903] [ 4501.109861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4501.110398][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4501.110398][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4501.110398][ T903] ip6_validate_gw+0x3eb/0x790 [ 4501.110398][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4501.110398][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4501.110398][ T903] ip6_route_add+0x1c/0x140 [ 4501.110398][ T903] inet6_rtm_newroute+0x104/0x110 [ 4501.110398][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.110398][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.110398][ T903] netlink_unicast+0x449/0x710 [ 4501.110398][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.110398][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.110398][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.110398][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.110398][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.110398][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.110398][ T903] [ 4501.112593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4501.112593][ T903] netdev_get_by_index+0x5e/0x80 [ 4501.112593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4501.112593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4501.112593][ T903] ip6_route_add+0x1c/0x140 [ 4501.112593][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4501.112593][ T903] inet6_addr_add+0x4f8/0xa40 [ 4501.112593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.112593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.112593][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.112593][ T903] netlink_unicast+0x449/0x710 [ 4501.112593][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.112593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.112593][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.112593][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.112593][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.112593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.112593][ T903] [ 4501.114850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4501.114850][ T903] netdev_get_by_index+0x5e/0x80 [ 4501.114850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4501.114850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4501.114850][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4501.114850][ T903] ipv6_add_addr+0x411/0x2000 [ 4501.114850][ T903] inet6_addr_add+0x30e/0xa40 [ 4501.114850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.114850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.114850][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.114850][ T903] netlink_unicast+0x449/0x710 [ 4501.114850][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.114850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.114850][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.114850][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.114850][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.114850][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.114850][ T903] [ 4501.117086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4501.117086][ T903] netdev_get_by_index+0x5e/0x80 [ 4501.117086][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4501.117086][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4501.117086][ T903] ip6_route_add+0x1c/0x140 [ 4501.117086][ T903] addrconf_add_mroute+0x129/0x180 [ 4501.117086][ T903] addrconf_add_dev+0xe2/0x170 [ 4501.117086][ T903] inet6_addr_add+0x12f/0xa40 [ 4501.117086][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4501.117086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.117086][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.117086][ T903] netlink_unicast+0x449/0x710 [ 4501.117086][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.117086][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.117086][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.117086][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.117086][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.117086][ T903] [ 4501.119248][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4501.119248][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4501.119248][ T903] ipv6_find_idev+0x102/0x170 [ 4501.119248][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.119248][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.119248][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.119248][ T903] netlink_unicast+0x449/0x710 [ 4501.119248][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.119248][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.119248][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.119248][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.119248][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.119248][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.119248][ T903] [ 4501.120930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4501.120930][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4501.120930][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4501.120930][ T903] ipv6_find_idev+0x102/0x170 [ 4501.120930][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4501.120930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4501.120930][ T903] netlink_rcv_skb+0x130/0x360 [ 4501.120930][ T903] netlink_unicast+0x449/0x710 [ 4501.120930][ T903] netlink_sendmsg+0x723/0xbe0 [ 4501.120930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4501.120930][ T903] ___sys_sendmsg+0xee/0x170 [ 4501.120930][ T903] __sys_sendmsg+0xcd/0x170 [ 4501.120930][ T903] do_syscall_64+0xc6/0x1e0 [ 4501.120930][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4501.120930][ T903] [ 4511.213907][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4511.214625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4511.214625][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4511.214625][ T903] ip6_validate_gw+0x3eb/0x790 [ 4511.214625][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4511.214625][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4511.214625][ T903] ip6_route_add+0x1c/0x140 [ 4511.214625][ T903] inet6_rtm_newroute+0x104/0x110 [ 4511.214625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.214625][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.214625][ T903] netlink_unicast+0x449/0x710 [ 4511.214625][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.214625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.214625][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.214625][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.214625][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.214625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.214625][ T903] [ 4511.216727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4511.216727][ T903] netdev_get_by_index+0x5e/0x80 [ 4511.216727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4511.216727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4511.216727][ T903] ip6_route_add+0x1c/0x140 [ 4511.216727][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4511.216727][ T903] inet6_addr_add+0x4f8/0xa40 [ 4511.216727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.216727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.216727][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.216727][ T903] netlink_unicast+0x449/0x710 [ 4511.216727][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.216727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.216727][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.216727][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.216727][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.216727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.216727][ T903] [ 4511.218936][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4511.218936][ T903] netdev_get_by_index+0x5e/0x80 [ 4511.218936][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4511.218936][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4511.218936][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4511.218936][ T903] ipv6_add_addr+0x411/0x2000 [ 4511.218936][ T903] inet6_addr_add+0x30e/0xa40 [ 4511.218936][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.218936][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.218936][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.218936][ T903] netlink_unicast+0x449/0x710 [ 4511.218936][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.218936][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.218936][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.218936][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.218936][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.218936][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.218936][ T903] [ 4511.221164][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4511.221164][ T903] netdev_get_by_index+0x5e/0x80 [ 4511.221164][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4511.221164][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4511.221164][ T903] ip6_route_add+0x1c/0x140 [ 4511.221164][ T903] addrconf_add_mroute+0x129/0x180 [ 4511.221164][ T903] addrconf_add_dev+0xe2/0x170 [ 4511.221164][ T903] inet6_addr_add+0x12f/0xa40 [ 4511.221164][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4511.221164][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.221164][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.221164][ T903] netlink_unicast+0x449/0x710 [ 4511.221164][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.221164][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.221164][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.221164][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.221164][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.221164][ T903] [ 4511.223322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4511.223322][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4511.223322][ T903] ipv6_find_idev+0x102/0x170 [ 4511.223322][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.223322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.223322][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.223322][ T903] netlink_unicast+0x449/0x710 [ 4511.223322][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.223322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.223322][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.223322][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.223322][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.223322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.223322][ T903] [ 4511.225022][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4511.225022][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4511.225022][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4511.225022][ T903] ipv6_find_idev+0x102/0x170 [ 4511.225022][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4511.225022][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4511.225022][ T903] netlink_rcv_skb+0x130/0x360 [ 4511.225022][ T903] netlink_unicast+0x449/0x710 [ 4511.225022][ T903] netlink_sendmsg+0x723/0xbe0 [ 4511.225022][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4511.225022][ T903] ___sys_sendmsg+0xee/0x170 [ 4511.225022][ T903] __sys_sendmsg+0xcd/0x170 [ 4511.225022][ T903] do_syscall_64+0xc6/0x1e0 [ 4511.225022][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4511.225022][ T903] [ 4521.469872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4521.470349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4521.470349][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4521.470349][ T903] ip6_validate_gw+0x3eb/0x790 [ 4521.470349][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4521.470349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4521.470349][ T903] ip6_route_add+0x1c/0x140 [ 4521.470349][ T903] inet6_rtm_newroute+0x104/0x110 [ 4521.470349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.470349][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.470349][ T903] netlink_unicast+0x449/0x710 [ 4521.470349][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.470349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.470349][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.470349][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.470349][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.470349][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.470349][ T903] [ 4521.472458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4521.472458][ T903] netdev_get_by_index+0x5e/0x80 [ 4521.472458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4521.472458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4521.472458][ T903] ip6_route_add+0x1c/0x140 [ 4521.472458][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4521.472458][ T903] inet6_addr_add+0x4f8/0xa40 [ 4521.472458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.472458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.472458][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.472458][ T903] netlink_unicast+0x449/0x710 [ 4521.472458][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.472458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.472458][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.472458][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.472458][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.472458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.472458][ T903] [ 4521.474672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4521.474672][ T903] netdev_get_by_index+0x5e/0x80 [ 4521.474672][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4521.474672][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4521.474672][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4521.474672][ T903] ipv6_add_addr+0x411/0x2000 [ 4521.474672][ T903] inet6_addr_add+0x30e/0xa40 [ 4521.474672][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.474672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.474672][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.474672][ T903] netlink_unicast+0x449/0x710 [ 4521.474672][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.474672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.474672][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.474672][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.474672][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.474672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.474672][ T903] [ 4521.476870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4521.476870][ T903] netdev_get_by_index+0x5e/0x80 [ 4521.476870][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4521.476870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4521.476870][ T903] ip6_route_add+0x1c/0x140 [ 4521.476870][ T903] addrconf_add_mroute+0x129/0x180 [ 4521.476870][ T903] addrconf_add_dev+0xe2/0x170 [ 4521.476870][ T903] inet6_addr_add+0x12f/0xa40 [ 4521.476870][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.476870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.476870][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.476870][ T903] netlink_unicast+0x449/0x710 [ 4521.476870][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.476870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.476870][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.476870][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.476870][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.476870][ T903] [ 4521.479033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4521.479033][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4521.479033][ T903] ipv6_find_idev+0x102/0x170 [ 4521.479033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.479033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.479033][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.479033][ T903] netlink_unicast+0x449/0x710 [ 4521.479033][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.479033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.479033][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.479033][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.479033][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.479033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.479033][ T903] [ 4521.480727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4521.480727][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4521.480727][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4521.480727][ T903] ipv6_find_idev+0x102/0x170 [ 4521.480727][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.480727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.480727][ T903] netlink_rcv_skb+0x130/0x360 [ 4521.480727][ T903] netlink_unicast+0x449/0x710 [ 4521.480727][ T903] netlink_sendmsg+0x723/0xbe0 [ 4521.480727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4521.480727][ T903] ___sys_sendmsg+0xee/0x170 [ 4521.480727][ T903] __sys_sendmsg+0xcd/0x170 [ 4521.480727][ T903] do_syscall_64+0xc6/0x1e0 [ 4521.480727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.480727][ T903] [ 4531.717854][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4531.718364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4531.718364][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4531.718364][ T903] ip6_validate_gw+0x3eb/0x790 [ 4531.718364][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4531.718364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4531.718364][ T903] ip6_route_add+0x1c/0x140 [ 4531.718364][ T903] inet6_rtm_newroute+0x104/0x110 [ 4531.718364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.718364][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.718364][ T903] netlink_unicast+0x449/0x710 [ 4531.718364][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.718364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.718364][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.718364][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.718364][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.718364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.718364][ T903] [ 4531.720449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4531.720449][ T903] netdev_get_by_index+0x5e/0x80 [ 4531.720449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4531.720449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4531.720449][ T903] ip6_route_add+0x1c/0x140 [ 4531.720449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4531.720449][ T903] inet6_addr_add+0x4f8/0xa40 [ 4531.720449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.720449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.720449][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.720449][ T903] netlink_unicast+0x449/0x710 [ 4531.720449][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.720449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.720449][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.720449][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.720449][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.720449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.720449][ T903] [ 4531.722676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4531.722676][ T903] netdev_get_by_index+0x5e/0x80 [ 4531.722676][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4531.722676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4531.722676][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4531.722676][ T903] ipv6_add_addr+0x411/0x2000 [ 4531.722676][ T903] inet6_addr_add+0x30e/0xa40 [ 4531.722676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.722676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.722676][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.722676][ T903] netlink_unicast+0x449/0x710 [ 4531.722676][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.722676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.722676][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.722676][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.722676][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.722676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.722676][ T903] [ 4531.724962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4531.724962][ T903] netdev_get_by_index+0x5e/0x80 [ 4531.724962][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4531.724962][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4531.724962][ T903] ip6_route_add+0x1c/0x140 [ 4531.724962][ T903] addrconf_add_mroute+0x129/0x180 [ 4531.724962][ T903] addrconf_add_dev+0xe2/0x170 [ 4531.724962][ T903] inet6_addr_add+0x12f/0xa40 [ 4531.724962][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.724962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.724962][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.724962][ T903] netlink_unicast+0x449/0x710 [ 4531.724962][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.724962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.724962][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.724962][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.724962][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.724962][ T903] [ 4531.727166][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4531.727166][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4531.727166][ T903] ipv6_find_idev+0x102/0x170 [ 4531.727166][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.727166][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.727166][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.727166][ T903] netlink_unicast+0x449/0x710 [ 4531.727166][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.727166][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.727166][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.727166][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.727166][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.727166][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.727166][ T903] [ 4531.728901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4531.728901][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4531.728901][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4531.728901][ T903] ipv6_find_idev+0x102/0x170 [ 4531.728901][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.728901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.728901][ T903] netlink_rcv_skb+0x130/0x360 [ 4531.728901][ T903] netlink_unicast+0x449/0x710 [ 4531.728901][ T903] netlink_sendmsg+0x723/0xbe0 [ 4531.728901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4531.728901][ T903] ___sys_sendmsg+0xee/0x170 [ 4531.728901][ T903] __sys_sendmsg+0xcd/0x170 [ 4531.728901][ T903] do_syscall_64+0xc6/0x1e0 [ 4531.728901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.728901][ T903] [ 4541.973756][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4541.974225][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4541.974225][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4541.974225][ T903] ip6_validate_gw+0x3eb/0x790 [ 4541.974225][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4541.974225][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4541.974225][ T903] ip6_route_add+0x1c/0x140 [ 4541.974225][ T903] inet6_rtm_newroute+0x104/0x110 [ 4541.974225][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.974225][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.974225][ T903] netlink_unicast+0x449/0x710 [ 4541.974225][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.974225][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.974225][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.974225][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.974225][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.974225][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.974225][ T903] [ 4541.976367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4541.976367][ T903] netdev_get_by_index+0x5e/0x80 [ 4541.976367][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4541.976367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4541.976367][ T903] ip6_route_add+0x1c/0x140 [ 4541.976367][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4541.976367][ T903] inet6_addr_add+0x4f8/0xa40 [ 4541.976367][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.976367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.976367][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.976367][ T903] netlink_unicast+0x449/0x710 [ 4541.976367][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.976367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.976367][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.976367][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.976367][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.976367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.976367][ T903] [ 4541.978604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4541.978604][ T903] netdev_get_by_index+0x5e/0x80 [ 4541.978604][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4541.978604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4541.978604][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4541.978604][ T903] ipv6_add_addr+0x411/0x2000 [ 4541.978604][ T903] inet6_addr_add+0x30e/0xa40 [ 4541.978604][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.978604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.978604][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.978604][ T903] netlink_unicast+0x449/0x710 [ 4541.978604][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.978604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.978604][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.978604][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.978604][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.978604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.978604][ T903] [ 4541.980835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4541.980835][ T903] netdev_get_by_index+0x5e/0x80 [ 4541.980835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4541.980835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4541.980835][ T903] ip6_route_add+0x1c/0x140 [ 4541.980835][ T903] addrconf_add_mroute+0x129/0x180 [ 4541.980835][ T903] addrconf_add_dev+0xe2/0x170 [ 4541.980835][ T903] inet6_addr_add+0x12f/0xa40 [ 4541.980835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.980835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.980835][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.980835][ T903] netlink_unicast+0x449/0x710 [ 4541.980835][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.980835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.980835][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.980835][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.980835][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.980835][ T903] [ 4541.983043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4541.983043][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4541.983043][ T903] ipv6_find_idev+0x102/0x170 [ 4541.983043][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.983043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.983043][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.983043][ T903] netlink_unicast+0x449/0x710 [ 4541.983043][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.983043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.983043][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.983043][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.983043][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.983043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.983043][ T903] [ 4541.984738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4541.984738][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4541.984738][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4541.984738][ T903] ipv6_find_idev+0x102/0x170 [ 4541.984738][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.984738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.984738][ T903] netlink_rcv_skb+0x130/0x360 [ 4541.984738][ T903] netlink_unicast+0x449/0x710 [ 4541.984738][ T903] netlink_sendmsg+0x723/0xbe0 [ 4541.984738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4541.984738][ T903] ___sys_sendmsg+0xee/0x170 [ 4541.984738][ T903] __sys_sendmsg+0xcd/0x170 [ 4541.984738][ T903] do_syscall_64+0xc6/0x1e0 [ 4541.984738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.984738][ T903] [ 4552.221739][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4552.222179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4552.222179][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4552.222179][ T903] ip6_validate_gw+0x3eb/0x790 [ 4552.222179][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4552.222179][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4552.222179][ T903] ip6_route_add+0x1c/0x140 [ 4552.222179][ T903] inet6_rtm_newroute+0x104/0x110 [ 4552.222179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.222179][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.222179][ T903] netlink_unicast+0x449/0x710 [ 4552.222179][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.222179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.222179][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.222179][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.222179][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.222179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.222179][ T903] [ 4552.224345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4552.224345][ T903] netdev_get_by_index+0x5e/0x80 [ 4552.224345][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4552.224345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4552.224345][ T903] ip6_route_add+0x1c/0x140 [ 4552.224345][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4552.224345][ T903] inet6_addr_add+0x4f8/0xa40 [ 4552.224345][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.224345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.224345][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.224345][ T903] netlink_unicast+0x449/0x710 [ 4552.224345][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.224345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.224345][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.224345][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.224345][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.224345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.224345][ T903] [ 4552.226597][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4552.226597][ T903] netdev_get_by_index+0x5e/0x80 [ 4552.226597][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4552.226597][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4552.226597][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4552.226597][ T903] ipv6_add_addr+0x411/0x2000 [ 4552.226597][ T903] inet6_addr_add+0x30e/0xa40 [ 4552.226597][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.226597][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.226597][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.226597][ T903] netlink_unicast+0x449/0x710 [ 4552.226597][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.226597][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.226597][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.226597][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.226597][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.226597][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.226597][ T903] [ 4552.228933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4552.228933][ T903] netdev_get_by_index+0x5e/0x80 [ 4552.228933][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4552.228933][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4552.228933][ T903] ip6_route_add+0x1c/0x140 [ 4552.228933][ T903] addrconf_add_mroute+0x129/0x180 [ 4552.228933][ T903] addrconf_add_dev+0xe2/0x170 [ 4552.228933][ T903] inet6_addr_add+0x12f/0xa40 [ 4552.228933][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.228933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.228933][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.228933][ T903] netlink_unicast+0x449/0x710 [ 4552.228933][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.228933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.228933][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.228933][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.228933][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.228933][ T903] [ 4552.231139][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4552.231139][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4552.231139][ T903] ipv6_find_idev+0x102/0x170 [ 4552.231139][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.231139][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.231139][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.231139][ T903] netlink_unicast+0x449/0x710 [ 4552.231139][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.231139][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.231139][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.231139][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.231139][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.231139][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.231139][ T903] [ 4552.232848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4552.232848][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4552.232848][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4552.232848][ T903] ipv6_find_idev+0x102/0x170 [ 4552.232848][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.232848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.232848][ T903] netlink_rcv_skb+0x130/0x360 [ 4552.232848][ T903] netlink_unicast+0x449/0x710 [ 4552.232848][ T903] netlink_sendmsg+0x723/0xbe0 [ 4552.232848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4552.232848][ T903] ___sys_sendmsg+0xee/0x170 [ 4552.232848][ T903] __sys_sendmsg+0xcd/0x170 [ 4552.232848][ T903] do_syscall_64+0xc6/0x1e0 [ 4552.232848][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.232848][ T903] [ 4562.477820][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4562.478325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4562.478325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4562.478325][ T903] ip6_validate_gw+0x3eb/0x790 [ 4562.478325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4562.478325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4562.478325][ T903] ip6_route_add+0x1c/0x140 [ 4562.478325][ T903] inet6_rtm_newroute+0x104/0x110 [ 4562.478325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.478325][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.478325][ T903] netlink_unicast+0x449/0x710 [ 4562.478325][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.478325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.478325][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.478325][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.478325][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.478325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.478325][ T903] [ 4562.480452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4562.480452][ T903] netdev_get_by_index+0x5e/0x80 [ 4562.480452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4562.480452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4562.480452][ T903] ip6_route_add+0x1c/0x140 [ 4562.480452][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4562.480452][ T903] inet6_addr_add+0x4f8/0xa40 [ 4562.480452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.480452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.480452][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.480452][ T903] netlink_unicast+0x449/0x710 [ 4562.480452][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.480452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.480452][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.480452][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.480452][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.480452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.480452][ T903] [ 4562.482698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4562.482698][ T903] netdev_get_by_index+0x5e/0x80 [ 4562.482698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4562.482698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4562.482698][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4562.482698][ T903] ipv6_add_addr+0x411/0x2000 [ 4562.482698][ T903] inet6_addr_add+0x30e/0xa40 [ 4562.482698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.482698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.482698][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.482698][ T903] netlink_unicast+0x449/0x710 [ 4562.482698][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.482698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.482698][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.482698][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.482698][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.482698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.482698][ T903] [ 4562.484888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4562.484888][ T903] netdev_get_by_index+0x5e/0x80 [ 4562.484888][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4562.484888][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4562.484888][ T903] ip6_route_add+0x1c/0x140 [ 4562.484888][ T903] addrconf_add_mroute+0x129/0x180 [ 4562.484888][ T903] addrconf_add_dev+0xe2/0x170 [ 4562.484888][ T903] inet6_addr_add+0x12f/0xa40 [ 4562.484888][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.484888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.484888][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.484888][ T903] netlink_unicast+0x449/0x710 [ 4562.484888][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.484888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.484888][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.484888][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.484888][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.484888][ T903] [ 4562.487094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4562.487094][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4562.487094][ T903] ipv6_find_idev+0x102/0x170 [ 4562.487094][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.487094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.487094][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.487094][ T903] netlink_unicast+0x449/0x710 [ 4562.487094][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.487094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.487094][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.487094][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.487094][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.487094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.487094][ T903] [ 4562.488798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4562.488798][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4562.488798][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4562.488798][ T903] ipv6_find_idev+0x102/0x170 [ 4562.488798][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.488798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.488798][ T903] netlink_rcv_skb+0x130/0x360 [ 4562.488798][ T903] netlink_unicast+0x449/0x710 [ 4562.488798][ T903] netlink_sendmsg+0x723/0xbe0 [ 4562.488798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4562.488798][ T903] ___sys_sendmsg+0xee/0x170 [ 4562.488798][ T903] __sys_sendmsg+0xcd/0x170 [ 4562.488798][ T903] do_syscall_64+0xc6/0x1e0 [ 4562.488798][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.488798][ T903] [ 4572.725799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4572.726291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4572.726291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4572.726291][ T903] ip6_validate_gw+0x3eb/0x790 [ 4572.726291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4572.726291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4572.726291][ T903] ip6_route_add+0x1c/0x140 [ 4572.726291][ T903] inet6_rtm_newroute+0x104/0x110 [ 4572.726291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.726291][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.726291][ T903] netlink_unicast+0x449/0x710 [ 4572.726291][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.726291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.726291][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.726291][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.726291][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.726291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.726291][ T903] [ 4572.728383][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4572.728383][ T903] netdev_get_by_index+0x5e/0x80 [ 4572.728383][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4572.728383][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4572.728383][ T903] ip6_route_add+0x1c/0x140 [ 4572.728383][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4572.728383][ T903] inet6_addr_add+0x4f8/0xa40 [ 4572.728383][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.728383][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.728383][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.728383][ T903] netlink_unicast+0x449/0x710 [ 4572.728383][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.728383][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.728383][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.728383][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.728383][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.728383][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.728383][ T903] [ 4572.730636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4572.730636][ T903] netdev_get_by_index+0x5e/0x80 [ 4572.730636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4572.730636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4572.730636][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4572.730636][ T903] ipv6_add_addr+0x411/0x2000 [ 4572.730636][ T903] inet6_addr_add+0x30e/0xa40 [ 4572.730636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.730636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.730636][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.730636][ T903] netlink_unicast+0x449/0x710 [ 4572.730636][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.730636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.730636][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.730636][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.730636][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.730636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.730636][ T903] [ 4572.732849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4572.732849][ T903] netdev_get_by_index+0x5e/0x80 [ 4572.732849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4572.732849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4572.732849][ T903] ip6_route_add+0x1c/0x140 [ 4572.732849][ T903] addrconf_add_mroute+0x129/0x180 [ 4572.732849][ T903] addrconf_add_dev+0xe2/0x170 [ 4572.732849][ T903] inet6_addr_add+0x12f/0xa40 [ 4572.732849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.732849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.732849][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.732849][ T903] netlink_unicast+0x449/0x710 [ 4572.732849][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.732849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.732849][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.732849][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.732849][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.732849][ T903] [ 4572.734955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4572.734955][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4572.734955][ T903] ipv6_find_idev+0x102/0x170 [ 4572.734955][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4572.734955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.734955][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.734955][ T903] netlink_unicast+0x449/0x710 [ 4572.734955][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.734955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.734955][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.734955][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.734955][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.734955][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.734955][ T903] [ 4572.736639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4572.736639][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4572.736639][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4572.736639][ T903] ipv6_find_idev+0x102/0x170 [ 4572.736639][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4572.736639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.736639][ T903] netlink_rcv_skb+0x130/0x360 [ 4572.736639][ T903] netlink_unicast+0x449/0x710 [ 4572.736639][ T903] netlink_sendmsg+0x723/0xbe0 [ 4572.736639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4572.736639][ T903] ___sys_sendmsg+0xee/0x170 [ 4572.736639][ T903] __sys_sendmsg+0xcd/0x170 [ 4572.736639][ T903] do_syscall_64+0xc6/0x1e0 [ 4572.736639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.736639][ T903] [ 4582.925809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4582.926340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4582.926340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4582.926340][ T903] ip6_validate_gw+0x3eb/0x790 [ 4582.926340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4582.926340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4582.926340][ T903] ip6_route_add+0x1c/0x140 [ 4582.926340][ T903] inet6_rtm_newroute+0x104/0x110 [ 4582.926340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.926340][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.926340][ T903] netlink_unicast+0x449/0x710 [ 4582.926340][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.926340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.926340][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.926340][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.926340][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.926340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.926340][ T903] [ 4582.928428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4582.928428][ T903] netdev_get_by_index+0x5e/0x80 [ 4582.928428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4582.928428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4582.928428][ T903] ip6_route_add+0x1c/0x140 [ 4582.928428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4582.928428][ T903] inet6_addr_add+0x4f8/0xa40 [ 4582.928428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.928428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.928428][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.928428][ T903] netlink_unicast+0x449/0x710 [ 4582.928428][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.928428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.928428][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.928428][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.928428][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.928428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.928428][ T903] [ 4582.930650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4582.930650][ T903] netdev_get_by_index+0x5e/0x80 [ 4582.930650][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4582.930650][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4582.930650][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4582.930650][ T903] ipv6_add_addr+0x411/0x2000 [ 4582.930650][ T903] inet6_addr_add+0x30e/0xa40 [ 4582.930650][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.930650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.930650][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.930650][ T903] netlink_unicast+0x449/0x710 [ 4582.930650][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.930650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.930650][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.930650][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.930650][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.930650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.930650][ T903] [ 4582.932850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4582.932850][ T903] netdev_get_by_index+0x5e/0x80 [ 4582.932850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4582.932850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4582.932850][ T903] ip6_route_add+0x1c/0x140 [ 4582.932850][ T903] addrconf_add_mroute+0x129/0x180 [ 4582.932850][ T903] addrconf_add_dev+0xe2/0x170 [ 4582.932850][ T903] inet6_addr_add+0x12f/0xa40 [ 4582.932850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.932850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.932850][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.932850][ T903] netlink_unicast+0x449/0x710 [ 4582.932850][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.932850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.932850][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.932850][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.932850][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.932850][ T903] [ 4582.934987][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4582.934987][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4582.934987][ T903] ipv6_find_idev+0x102/0x170 [ 4582.934987][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.934987][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.934987][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.934987][ T903] netlink_unicast+0x449/0x710 [ 4582.934987][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.934987][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.934987][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.934987][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.934987][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.934987][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.934987][ T903] [ 4582.936675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4582.936675][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4582.936675][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4582.936675][ T903] ipv6_find_idev+0x102/0x170 [ 4582.936675][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.936675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.936675][ T903] netlink_rcv_skb+0x130/0x360 [ 4582.936675][ T903] netlink_unicast+0x449/0x710 [ 4582.936675][ T903] netlink_sendmsg+0x723/0xbe0 [ 4582.936675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4582.936675][ T903] ___sys_sendmsg+0xee/0x170 [ 4582.936675][ T903] __sys_sendmsg+0xcd/0x170 [ 4582.936675][ T903] do_syscall_64+0xc6/0x1e0 [ 4582.936675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.936675][ T903] [ 4593.173892][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4593.174402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4593.174402][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4593.174402][ T903] ip6_validate_gw+0x3eb/0x790 [ 4593.174402][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4593.174402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4593.174402][ T903] ip6_route_add+0x1c/0x140 [ 4593.174402][ T903] inet6_rtm_newroute+0x104/0x110 [ 4593.174402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.174402][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.174402][ T903] netlink_unicast+0x449/0x710 [ 4593.174402][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.174402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.174402][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.174402][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.174402][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.174402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.174402][ T903] [ 4593.176499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4593.176499][ T903] netdev_get_by_index+0x5e/0x80 [ 4593.176499][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4593.176499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4593.176499][ T903] ip6_route_add+0x1c/0x140 [ 4593.176499][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4593.176499][ T903] inet6_addr_add+0x4f8/0xa40 [ 4593.176499][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.176499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.176499][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.176499][ T903] netlink_unicast+0x449/0x710 [ 4593.176499][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.176499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.176499][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.176499][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.176499][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.176499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.176499][ T903] [ 4593.178688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4593.178688][ T903] netdev_get_by_index+0x5e/0x80 [ 4593.178688][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4593.178688][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4593.178688][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4593.178688][ T903] ipv6_add_addr+0x411/0x2000 [ 4593.178688][ T903] inet6_addr_add+0x30e/0xa40 [ 4593.178688][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.178688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.178688][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.178688][ T903] netlink_unicast+0x449/0x710 [ 4593.178688][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.178688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.178688][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.178688][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.178688][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.178688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.178688][ T903] [ 4593.180903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4593.180903][ T903] netdev_get_by_index+0x5e/0x80 [ 4593.180903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4593.180903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4593.180903][ T903] ip6_route_add+0x1c/0x140 [ 4593.180903][ T903] addrconf_add_mroute+0x129/0x180 [ 4593.180903][ T903] addrconf_add_dev+0xe2/0x170 [ 4593.180903][ T903] inet6_addr_add+0x12f/0xa40 [ 4593.180903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4593.180903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.180903][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.180903][ T903] netlink_unicast+0x449/0x710 [ 4593.180903][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.180903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.180903][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.180903][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.180903][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.180903][ T903] [ 4593.183074][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4593.183074][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4593.183074][ T903] ipv6_find_idev+0x102/0x170 [ 4593.183074][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.183074][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.183074][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.183074][ T903] netlink_unicast+0x449/0x710 [ 4593.183074][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.183074][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.183074][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.183074][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.183074][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.183074][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.183074][ T903] [ 4593.184797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4593.184797][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4593.184797][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4593.184797][ T903] ipv6_find_idev+0x102/0x170 [ 4593.184797][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4593.184797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4593.184797][ T903] netlink_rcv_skb+0x130/0x360 [ 4593.184797][ T903] netlink_unicast+0x449/0x710 [ 4593.184797][ T903] netlink_sendmsg+0x723/0xbe0 [ 4593.184797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4593.184797][ T903] ___sys_sendmsg+0xee/0x170 [ 4593.184797][ T903] __sys_sendmsg+0xcd/0x170 [ 4593.184797][ T903] do_syscall_64+0xc6/0x1e0 [ 4593.184797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4593.184797][ T903] [ 4603.421752][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4603.422299][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4603.422299][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4603.422299][ T903] ip6_validate_gw+0x3eb/0x790 [ 4603.422299][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4603.422299][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4603.422299][ T903] ip6_route_add+0x1c/0x140 [ 4603.422299][ T903] inet6_rtm_newroute+0x104/0x110 [ 4603.422299][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.422299][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.422299][ T903] netlink_unicast+0x449/0x710 [ 4603.422299][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.422299][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.422299][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.422299][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.422299][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.422299][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.422299][ T903] [ 4603.424414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4603.424414][ T903] netdev_get_by_index+0x5e/0x80 [ 4603.424414][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4603.424414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4603.424414][ T903] ip6_route_add+0x1c/0x140 [ 4603.424414][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4603.424414][ T903] inet6_addr_add+0x4f8/0xa40 [ 4603.424414][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.424414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.424414][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.424414][ T903] netlink_unicast+0x449/0x710 [ 4603.424414][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.424414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.424414][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.424414][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.424414][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.424414][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.424414][ T903] [ 4603.426634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4603.426634][ T903] netdev_get_by_index+0x5e/0x80 [ 4603.426634][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4603.426634][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4603.426634][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4603.426634][ T903] ipv6_add_addr+0x411/0x2000 [ 4603.426634][ T903] inet6_addr_add+0x30e/0xa40 [ 4603.426634][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.426634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.426634][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.426634][ T903] netlink_unicast+0x449/0x710 [ 4603.426634][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.426634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.426634][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.426634][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.426634][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.426634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.426634][ T903] [ 4603.428843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4603.428843][ T903] netdev_get_by_index+0x5e/0x80 [ 4603.428843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4603.428843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4603.428843][ T903] ip6_route_add+0x1c/0x140 [ 4603.428843][ T903] addrconf_add_mroute+0x129/0x180 [ 4603.428843][ T903] addrconf_add_dev+0xe2/0x170 [ 4603.428843][ T903] inet6_addr_add+0x12f/0xa40 [ 4603.428843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.428843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.428843][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.428843][ T903] netlink_unicast+0x449/0x710 [ 4603.428843][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.428843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.428843][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.428843][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.428843][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.428843][ T903] [ 4603.431018][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4603.431018][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4603.431018][ T903] ipv6_find_idev+0x102/0x170 [ 4603.431018][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.431018][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.431018][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.431018][ T903] netlink_unicast+0x449/0x710 [ 4603.431018][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.431018][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.431018][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.431018][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.431018][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.431018][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.431018][ T903] [ 4603.432720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4603.432720][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4603.432720][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4603.432720][ T903] ipv6_find_idev+0x102/0x170 [ 4603.432720][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.432720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.432720][ T903] netlink_rcv_skb+0x130/0x360 [ 4603.432720][ T903] netlink_unicast+0x449/0x710 [ 4603.432720][ T903] netlink_sendmsg+0x723/0xbe0 [ 4603.432720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4603.432720][ T903] ___sys_sendmsg+0xee/0x170 [ 4603.432720][ T903] __sys_sendmsg+0xcd/0x170 [ 4603.432720][ T903] do_syscall_64+0xc6/0x1e0 [ 4603.432720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.432720][ T903] [ 4613.669904][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4613.670409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4613.670409][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4613.670409][ T903] ip6_validate_gw+0x3eb/0x790 [ 4613.670409][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4613.670409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4613.670409][ T903] ip6_route_add+0x1c/0x140 [ 4613.670409][ T903] inet6_rtm_newroute+0x104/0x110 [ 4613.670409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.670409][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.670409][ T903] netlink_unicast+0x449/0x710 [ 4613.670409][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.670409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.670409][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.670409][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.670409][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.670409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.670409][ T903] [ 4613.672546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4613.672546][ T903] netdev_get_by_index+0x5e/0x80 [ 4613.672546][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4613.672546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4613.672546][ T903] ip6_route_add+0x1c/0x140 [ 4613.672546][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4613.672546][ T903] inet6_addr_add+0x4f8/0xa40 [ 4613.672546][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.672546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.672546][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.672546][ T903] netlink_unicast+0x449/0x710 [ 4613.672546][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.672546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.672546][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.672546][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.672546][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.672546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.672546][ T903] [ 4613.674745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4613.674745][ T903] netdev_get_by_index+0x5e/0x80 [ 4613.674745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4613.674745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4613.674745][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4613.674745][ T903] ipv6_add_addr+0x411/0x2000 [ 4613.674745][ T903] inet6_addr_add+0x30e/0xa40 [ 4613.674745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.674745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.674745][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.674745][ T903] netlink_unicast+0x449/0x710 [ 4613.674745][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.674745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.674745][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.674745][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.674745][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.674745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.674745][ T903] [ 4613.676963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4613.676963][ T903] netdev_get_by_index+0x5e/0x80 [ 4613.676963][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4613.676963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4613.676963][ T903] ip6_route_add+0x1c/0x140 [ 4613.676963][ T903] addrconf_add_mroute+0x129/0x180 [ 4613.676963][ T903] addrconf_add_dev+0xe2/0x170 [ 4613.676963][ T903] inet6_addr_add+0x12f/0xa40 [ 4613.676963][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.676963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.676963][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.676963][ T903] netlink_unicast+0x449/0x710 [ 4613.676963][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.676963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.676963][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.676963][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.676963][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.676963][ T903] [ 4613.679121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4613.679121][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4613.679121][ T903] ipv6_find_idev+0x102/0x170 [ 4613.679121][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.679121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.679121][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.679121][ T903] netlink_unicast+0x449/0x710 [ 4613.679121][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.679121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.679121][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.679121][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.679121][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.679121][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.679121][ T903] [ 4613.680931][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4613.680931][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4613.680931][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4613.680931][ T903] ipv6_find_idev+0x102/0x170 [ 4613.680931][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.680931][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.680931][ T903] netlink_rcv_skb+0x130/0x360 [ 4613.680931][ T903] netlink_unicast+0x449/0x710 [ 4613.680931][ T903] netlink_sendmsg+0x723/0xbe0 [ 4613.680931][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4613.680931][ T903] ___sys_sendmsg+0xee/0x170 [ 4613.680931][ T903] __sys_sendmsg+0xcd/0x170 [ 4613.680931][ T903] do_syscall_64+0xc6/0x1e0 [ 4613.680931][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.680931][ T903] [ 4623.925959][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4623.926469][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4623.926469][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4623.926469][ T903] ip6_validate_gw+0x3eb/0x790 [ 4623.926469][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4623.926469][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4623.926469][ T903] ip6_route_add+0x1c/0x140 [ 4623.926469][ T903] inet6_rtm_newroute+0x104/0x110 [ 4623.926469][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.926469][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.926469][ T903] netlink_unicast+0x449/0x710 [ 4623.926469][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.926469][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.926469][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.926469][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.926469][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.926469][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.926469][ T903] [ 4623.928559][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4623.928559][ T903] netdev_get_by_index+0x5e/0x80 [ 4623.928559][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4623.928559][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4623.928559][ T903] ip6_route_add+0x1c/0x140 [ 4623.928559][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4623.928559][ T903] inet6_addr_add+0x4f8/0xa40 [ 4623.928559][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.928559][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.928559][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.928559][ T903] netlink_unicast+0x449/0x710 [ 4623.928559][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.928559][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.928559][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.928559][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.928559][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.928559][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.928559][ T903] [ 4623.930757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4623.930757][ T903] netdev_get_by_index+0x5e/0x80 [ 4623.930757][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4623.930757][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4623.930757][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4623.930757][ T903] ipv6_add_addr+0x411/0x2000 [ 4623.930757][ T903] inet6_addr_add+0x30e/0xa40 [ 4623.930757][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.930757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.930757][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.930757][ T903] netlink_unicast+0x449/0x710 [ 4623.930757][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.930757][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.930757][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.930757][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.930757][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.930757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.930757][ T903] [ 4623.932941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4623.932941][ T903] netdev_get_by_index+0x5e/0x80 [ 4623.932941][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4623.932941][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4623.932941][ T903] ip6_route_add+0x1c/0x140 [ 4623.932941][ T903] addrconf_add_mroute+0x129/0x180 [ 4623.932941][ T903] addrconf_add_dev+0xe2/0x170 [ 4623.932941][ T903] inet6_addr_add+0x12f/0xa40 [ 4623.932941][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.932941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.932941][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.932941][ T903] netlink_unicast+0x449/0x710 [ 4623.932941][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.932941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.932941][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.932941][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.932941][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.932941][ T903] [ 4623.935101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4623.935101][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4623.935101][ T903] ipv6_find_idev+0x102/0x170 [ 4623.935101][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4623.935101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.935101][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.935101][ T903] netlink_unicast+0x449/0x710 [ 4623.935101][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.935101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.935101][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.935101][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.935101][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.935101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.935101][ T903] [ 4623.936796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4623.936796][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4623.936796][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4623.936796][ T903] ipv6_find_idev+0x102/0x170 [ 4623.936796][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4623.936796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.936796][ T903] netlink_rcv_skb+0x130/0x360 [ 4623.936796][ T903] netlink_unicast+0x449/0x710 [ 4623.936796][ T903] netlink_sendmsg+0x723/0xbe0 [ 4623.936796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4623.936796][ T903] ___sys_sendmsg+0xee/0x170 [ 4623.936796][ T903] __sys_sendmsg+0xcd/0x170 [ 4623.936796][ T903] do_syscall_64+0xc6/0x1e0 [ 4623.936796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.936796][ T903] [ 4634.173834][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4634.174364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4634.174364][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4634.174364][ T903] ip6_validate_gw+0x3eb/0x790 [ 4634.174364][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4634.174364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4634.174364][ T903] ip6_route_add+0x1c/0x140 [ 4634.174364][ T903] inet6_rtm_newroute+0x104/0x110 [ 4634.174364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.174364][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.174364][ T903] netlink_unicast+0x449/0x710 [ 4634.174364][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.174364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.174364][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.174364][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.174364][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.174364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.174364][ T903] [ 4634.176473][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4634.176473][ T903] netdev_get_by_index+0x5e/0x80 [ 4634.176473][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4634.176473][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4634.176473][ T903] ip6_route_add+0x1c/0x140 [ 4634.176473][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4634.176473][ T903] inet6_addr_add+0x4f8/0xa40 [ 4634.176473][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.176473][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.176473][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.176473][ T903] netlink_unicast+0x449/0x710 [ 4634.176473][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.176473][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.176473][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.176473][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.176473][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.176473][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.176473][ T903] [ 4634.178693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4634.178693][ T903] netdev_get_by_index+0x5e/0x80 [ 4634.178693][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4634.178693][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4634.178693][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4634.178693][ T903] ipv6_add_addr+0x411/0x2000 [ 4634.178693][ T903] inet6_addr_add+0x30e/0xa40 [ 4634.178693][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.178693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.178693][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.178693][ T903] netlink_unicast+0x449/0x710 [ 4634.178693][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.178693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.178693][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.178693][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.178693][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.178693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.178693][ T903] [ 4634.180910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4634.180910][ T903] netdev_get_by_index+0x5e/0x80 [ 4634.180910][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4634.180910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4634.180910][ T903] ip6_route_add+0x1c/0x140 [ 4634.180910][ T903] addrconf_add_mroute+0x129/0x180 [ 4634.180910][ T903] addrconf_add_dev+0xe2/0x170 [ 4634.180910][ T903] inet6_addr_add+0x12f/0xa40 [ 4634.180910][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4634.180910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.180910][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.180910][ T903] netlink_unicast+0x449/0x710 [ 4634.180910][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.180910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.180910][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.180910][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.180910][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.180910][ T903] [ 4634.183077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4634.183077][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4634.183077][ T903] ipv6_find_idev+0x102/0x170 [ 4634.183077][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.183077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.183077][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.183077][ T903] netlink_unicast+0x449/0x710 [ 4634.183077][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.183077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.183077][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.183077][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.183077][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.183077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.183077][ T903] [ 4634.184872][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4634.184872][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4634.184872][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4634.184872][ T903] ipv6_find_idev+0x102/0x170 [ 4634.184872][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4634.184872][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4634.184872][ T903] netlink_rcv_skb+0x130/0x360 [ 4634.184872][ T903] netlink_unicast+0x449/0x710 [ 4634.184872][ T903] netlink_sendmsg+0x723/0xbe0 [ 4634.184872][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4634.184872][ T903] ___sys_sendmsg+0xee/0x170 [ 4634.184872][ T903] __sys_sendmsg+0xcd/0x170 [ 4634.184872][ T903] do_syscall_64+0xc6/0x1e0 [ 4634.184872][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4634.184872][ T903] [ 4644.373743][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4644.374249][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4644.374249][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4644.374249][ T903] ip6_validate_gw+0x3eb/0x790 [ 4644.374249][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4644.374249][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4644.374249][ T903] ip6_route_add+0x1c/0x140 [ 4644.374249][ T903] inet6_rtm_newroute+0x104/0x110 [ 4644.374249][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.374249][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.374249][ T903] netlink_unicast+0x449/0x710 [ 4644.374249][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.374249][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.374249][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.374249][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.374249][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.374249][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.374249][ T903] [ 4644.376328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4644.376328][ T903] netdev_get_by_index+0x5e/0x80 [ 4644.376328][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4644.376328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4644.376328][ T903] ip6_route_add+0x1c/0x140 [ 4644.376328][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4644.376328][ T903] inet6_addr_add+0x4f8/0xa40 [ 4644.376328][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.376328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.376328][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.376328][ T903] netlink_unicast+0x449/0x710 [ 4644.376328][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.376328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.376328][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.376328][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.376328][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.376328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.376328][ T903] [ 4644.378523][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4644.378523][ T903] netdev_get_by_index+0x5e/0x80 [ 4644.378523][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4644.378523][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4644.378523][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4644.378523][ T903] ipv6_add_addr+0x411/0x2000 [ 4644.378523][ T903] inet6_addr_add+0x30e/0xa40 [ 4644.378523][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.378523][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.378523][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.378523][ T903] netlink_unicast+0x449/0x710 [ 4644.378523][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.378523][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.378523][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.378523][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.378523][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.378523][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.378523][ T903] [ 4644.380725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4644.380725][ T903] netdev_get_by_index+0x5e/0x80 [ 4644.380725][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4644.380725][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4644.380725][ T903] ip6_route_add+0x1c/0x140 [ 4644.380725][ T903] addrconf_add_mroute+0x129/0x180 [ 4644.380725][ T903] addrconf_add_dev+0xe2/0x170 [ 4644.380725][ T903] inet6_addr_add+0x12f/0xa40 [ 4644.380725][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4644.380725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.380725][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.380725][ T903] netlink_unicast+0x449/0x710 [ 4644.380725][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.380725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.380725][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.380725][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.380725][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.380725][ T903] [ 4644.382894][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4644.382894][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4644.382894][ T903] ipv6_find_idev+0x102/0x170 [ 4644.382894][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.382894][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.382894][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.382894][ T903] netlink_unicast+0x449/0x710 [ 4644.382894][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.382894][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.382894][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.382894][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.382894][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.382894][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.382894][ T903] [ 4644.384581][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4644.384581][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4644.384581][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4644.384581][ T903] ipv6_find_idev+0x102/0x170 [ 4644.384581][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4644.384581][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4644.384581][ T903] netlink_rcv_skb+0x130/0x360 [ 4644.384581][ T903] netlink_unicast+0x449/0x710 [ 4644.384581][ T903] netlink_sendmsg+0x723/0xbe0 [ 4644.384581][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4644.384581][ T903] ___sys_sendmsg+0xee/0x170 [ 4644.384581][ T903] __sys_sendmsg+0xcd/0x170 [ 4644.384581][ T903] do_syscall_64+0xc6/0x1e0 [ 4644.384581][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4644.384581][ T903] [ 4654.621824][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4654.622342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4654.622342][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4654.622342][ T903] ip6_validate_gw+0x3eb/0x790 [ 4654.622342][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4654.622342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4654.622342][ T903] ip6_route_add+0x1c/0x140 [ 4654.622342][ T903] inet6_rtm_newroute+0x104/0x110 [ 4654.622342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.622342][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.622342][ T903] netlink_unicast+0x449/0x710 [ 4654.622342][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.622342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.622342][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.622342][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.622342][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.622342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.622342][ T903] [ 4654.624431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4654.624431][ T903] netdev_get_by_index+0x5e/0x80 [ 4654.624431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4654.624431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4654.624431][ T903] ip6_route_add+0x1c/0x140 [ 4654.624431][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4654.624431][ T903] inet6_addr_add+0x4f8/0xa40 [ 4654.624431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.624431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.624431][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.624431][ T903] netlink_unicast+0x449/0x710 [ 4654.624431][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.624431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.624431][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.624431][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.624431][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.624431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.624431][ T903] [ 4654.626626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4654.626626][ T903] netdev_get_by_index+0x5e/0x80 [ 4654.626626][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4654.626626][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4654.626626][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4654.626626][ T903] ipv6_add_addr+0x411/0x2000 [ 4654.626626][ T903] inet6_addr_add+0x30e/0xa40 [ 4654.626626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.626626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.626626][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.626626][ T903] netlink_unicast+0x449/0x710 [ 4654.626626][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.626626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.626626][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.626626][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.626626][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.626626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.626626][ T903] [ 4654.628866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4654.628866][ T903] netdev_get_by_index+0x5e/0x80 [ 4654.628866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4654.628866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4654.628866][ T903] ip6_route_add+0x1c/0x140 [ 4654.628866][ T903] addrconf_add_mroute+0x129/0x180 [ 4654.628866][ T903] addrconf_add_dev+0xe2/0x170 [ 4654.628866][ T903] inet6_addr_add+0x12f/0xa40 [ 4654.628866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.628866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.628866][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.628866][ T903] netlink_unicast+0x449/0x710 [ 4654.628866][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.628866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.628866][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.628866][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.628866][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.628866][ T903] [ 4654.631063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4654.631063][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4654.631063][ T903] ipv6_find_idev+0x102/0x170 [ 4654.631063][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.631063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.631063][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.631063][ T903] netlink_unicast+0x449/0x710 [ 4654.631063][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.631063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.631063][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.631063][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.631063][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.631063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.631063][ T903] [ 4654.632760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4654.632760][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4654.632760][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4654.632760][ T903] ipv6_find_idev+0x102/0x170 [ 4654.632760][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.632760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.632760][ T903] netlink_rcv_skb+0x130/0x360 [ 4654.632760][ T903] netlink_unicast+0x449/0x710 [ 4654.632760][ T903] netlink_sendmsg+0x723/0xbe0 [ 4654.632760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4654.632760][ T903] ___sys_sendmsg+0xee/0x170 [ 4654.632760][ T903] __sys_sendmsg+0xcd/0x170 [ 4654.632760][ T903] do_syscall_64+0xc6/0x1e0 [ 4654.632760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.632760][ T903] [ 4664.725806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4664.726345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4664.726345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4664.726345][ T903] ip6_validate_gw+0x3eb/0x790 [ 4664.726345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4664.726345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4664.726345][ T903] ip6_route_add+0x1c/0x140 [ 4664.726345][ T903] inet6_rtm_newroute+0x104/0x110 [ 4664.726345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.726345][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.726345][ T903] netlink_unicast+0x449/0x710 [ 4664.726345][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.726345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.726345][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.726345][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.726345][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.726345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.726345][ T903] [ 4664.728431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4664.728431][ T903] netdev_get_by_index+0x5e/0x80 [ 4664.728431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4664.728431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4664.728431][ T903] ip6_route_add+0x1c/0x140 [ 4664.728431][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4664.728431][ T903] inet6_addr_add+0x4f8/0xa40 [ 4664.728431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.728431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.728431][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.728431][ T903] netlink_unicast+0x449/0x710 [ 4664.728431][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.728431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.728431][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.728431][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.728431][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.728431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.728431][ T903] [ 4664.730645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4664.730645][ T903] netdev_get_by_index+0x5e/0x80 [ 4664.730645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4664.730645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4664.730645][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4664.730645][ T903] ipv6_add_addr+0x411/0x2000 [ 4664.730645][ T903] inet6_addr_add+0x30e/0xa40 [ 4664.730645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.730645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.730645][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.730645][ T903] netlink_unicast+0x449/0x710 [ 4664.730645][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.730645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.730645][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.730645][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.730645][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.730645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.730645][ T903] [ 4664.732848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4664.732848][ T903] netdev_get_by_index+0x5e/0x80 [ 4664.732848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4664.732848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4664.732848][ T903] ip6_route_add+0x1c/0x140 [ 4664.732848][ T903] addrconf_add_mroute+0x129/0x180 [ 4664.732848][ T903] addrconf_add_dev+0xe2/0x170 [ 4664.732848][ T903] inet6_addr_add+0x12f/0xa40 [ 4664.732848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.732848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.732848][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.732848][ T903] netlink_unicast+0x449/0x710 [ 4664.732848][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.732848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.732848][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.732848][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.732848][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.732848][ T903] [ 4664.735011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4664.735011][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4664.735011][ T903] ipv6_find_idev+0x102/0x170 [ 4664.735011][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4664.735011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.735011][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.735011][ T903] netlink_unicast+0x449/0x710 [ 4664.735011][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.735011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.735011][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.735011][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.735011][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.735011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.735011][ T903] [ 4664.737212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4664.737212][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4664.737212][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4664.737212][ T903] ipv6_find_idev+0x102/0x170 [ 4664.737212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4664.737212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.737212][ T903] netlink_rcv_skb+0x130/0x360 [ 4664.737212][ T903] netlink_unicast+0x449/0x710 [ 4664.737212][ T903] netlink_sendmsg+0x723/0xbe0 [ 4664.737212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4664.737212][ T903] ___sys_sendmsg+0xee/0x170 [ 4664.737212][ T903] __sys_sendmsg+0xcd/0x170 [ 4664.737212][ T903] do_syscall_64+0xc6/0x1e0 [ 4664.737212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.737212][ T903] [ 4674.981899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4674.982425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4674.982425][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4674.982425][ T903] ip6_validate_gw+0x3eb/0x790 [ 4674.982425][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4674.982425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4674.982425][ T903] ip6_route_add+0x1c/0x140 [ 4674.982425][ T903] inet6_rtm_newroute+0x104/0x110 [ 4674.982425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.982425][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.982425][ T903] netlink_unicast+0x449/0x710 [ 4674.982425][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.982425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.982425][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.982425][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.982425][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.982425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.982425][ T903] [ 4674.984552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4674.984552][ T903] netdev_get_by_index+0x5e/0x80 [ 4674.984552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4674.984552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4674.984552][ T903] ip6_route_add+0x1c/0x140 [ 4674.984552][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4674.984552][ T903] inet6_addr_add+0x4f8/0xa40 [ 4674.984552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.984552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.984552][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.984552][ T903] netlink_unicast+0x449/0x710 [ 4674.984552][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.984552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.984552][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.984552][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.984552][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.984552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.984552][ T903] [ 4674.986756][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4674.986756][ T903] netdev_get_by_index+0x5e/0x80 [ 4674.986756][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4674.986756][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4674.986756][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4674.986756][ T903] ipv6_add_addr+0x411/0x2000 [ 4674.986756][ T903] inet6_addr_add+0x30e/0xa40 [ 4674.986756][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.986756][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.986756][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.986756][ T903] netlink_unicast+0x449/0x710 [ 4674.986756][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.986756][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.986756][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.986756][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.986756][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.986756][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.986756][ T903] [ 4674.988967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4674.988967][ T903] netdev_get_by_index+0x5e/0x80 [ 4674.988967][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4674.988967][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4674.988967][ T903] ip6_route_add+0x1c/0x140 [ 4674.988967][ T903] addrconf_add_mroute+0x129/0x180 [ 4674.988967][ T903] addrconf_add_dev+0xe2/0x170 [ 4674.988967][ T903] inet6_addr_add+0x12f/0xa40 [ 4674.988967][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.988967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.988967][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.988967][ T903] netlink_unicast+0x449/0x710 [ 4674.988967][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.988967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.988967][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.988967][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.988967][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.988967][ T903] [ 4674.991145][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4674.991145][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4674.991145][ T903] ipv6_find_idev+0x102/0x170 [ 4674.991145][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.991145][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.991145][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.991145][ T903] netlink_unicast+0x449/0x710 [ 4674.991145][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.991145][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.991145][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.991145][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.991145][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.991145][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.991145][ T903] [ 4674.992852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4674.992852][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4674.992852][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4674.992852][ T903] ipv6_find_idev+0x102/0x170 [ 4674.992852][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.992852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.992852][ T903] netlink_rcv_skb+0x130/0x360 [ 4674.992852][ T903] netlink_unicast+0x449/0x710 [ 4674.992852][ T903] netlink_sendmsg+0x723/0xbe0 [ 4674.992852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4674.992852][ T903] ___sys_sendmsg+0xee/0x170 [ 4674.992852][ T903] __sys_sendmsg+0xcd/0x170 [ 4674.992852][ T903] do_syscall_64+0xc6/0x1e0 [ 4674.992852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.992852][ T903] [ 4685.021824][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4685.022339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4685.022339][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4685.022339][ T903] ip6_validate_gw+0x3eb/0x790 [ 4685.022339][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4685.022339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4685.022339][ T903] ip6_route_add+0x1c/0x140 [ 4685.022339][ T903] inet6_rtm_newroute+0x104/0x110 [ 4685.022339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.022339][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.022339][ T903] netlink_unicast+0x449/0x710 [ 4685.022339][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.022339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.022339][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.022339][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.022339][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.022339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.022339][ T903] [ 4685.024448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4685.024448][ T903] netdev_get_by_index+0x5e/0x80 [ 4685.024448][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4685.024448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4685.024448][ T903] ip6_route_add+0x1c/0x140 [ 4685.024448][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4685.024448][ T903] inet6_addr_add+0x4f8/0xa40 [ 4685.024448][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.024448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.024448][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.024448][ T903] netlink_unicast+0x449/0x710 [ 4685.024448][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.024448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.024448][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.024448][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.024448][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.024448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.024448][ T903] [ 4685.026646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4685.026646][ T903] netdev_get_by_index+0x5e/0x80 [ 4685.026646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4685.026646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4685.026646][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4685.026646][ T903] ipv6_add_addr+0x411/0x2000 [ 4685.026646][ T903] inet6_addr_add+0x30e/0xa40 [ 4685.026646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.026646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.026646][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.026646][ T903] netlink_unicast+0x449/0x710 [ 4685.026646][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.026646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.026646][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.026646][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.026646][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.026646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.026646][ T903] [ 4685.028841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4685.028841][ T903] netdev_get_by_index+0x5e/0x80 [ 4685.028841][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4685.028841][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4685.028841][ T903] ip6_route_add+0x1c/0x140 [ 4685.028841][ T903] addrconf_add_mroute+0x129/0x180 [ 4685.028841][ T903] addrconf_add_dev+0xe2/0x170 [ 4685.028841][ T903] inet6_addr_add+0x12f/0xa40 [ 4685.028841][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4685.028841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.028841][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.028841][ T903] netlink_unicast+0x449/0x710 [ 4685.028841][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.028841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.028841][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.028841][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.028841][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.028841][ T903] [ 4685.031027][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4685.031027][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4685.031027][ T903] ipv6_find_idev+0x102/0x170 [ 4685.031027][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.031027][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.031027][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.031027][ T903] netlink_unicast+0x449/0x710 [ 4685.031027][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.031027][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.031027][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.031027][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.031027][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.031027][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.031027][ T903] [ 4685.032723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4685.032723][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4685.032723][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4685.032723][ T903] ipv6_find_idev+0x102/0x170 [ 4685.032723][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4685.032723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4685.032723][ T903] netlink_rcv_skb+0x130/0x360 [ 4685.032723][ T903] netlink_unicast+0x449/0x710 [ 4685.032723][ T903] netlink_sendmsg+0x723/0xbe0 [ 4685.032723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4685.032723][ T903] ___sys_sendmsg+0xee/0x170 [ 4685.032723][ T903] __sys_sendmsg+0xcd/0x170 [ 4685.032723][ T903] do_syscall_64+0xc6/0x1e0 [ 4685.032723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4685.032723][ T903] [ 4695.269816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4695.270403][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4695.270403][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4695.270403][ T903] ip6_validate_gw+0x3eb/0x790 [ 4695.270403][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4695.270403][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4695.270403][ T903] ip6_route_add+0x1c/0x140 [ 4695.270403][ T903] inet6_rtm_newroute+0x104/0x110 [ 4695.270403][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.270403][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.270403][ T903] netlink_unicast+0x449/0x710 [ 4695.270403][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.270403][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.270403][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.270403][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.270403][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.270403][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.270403][ T903] [ 4695.272493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4695.272493][ T903] netdev_get_by_index+0x5e/0x80 [ 4695.272493][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4695.272493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4695.272493][ T903] ip6_route_add+0x1c/0x140 [ 4695.272493][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4695.272493][ T903] inet6_addr_add+0x4f8/0xa40 [ 4695.272493][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.272493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.272493][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.272493][ T903] netlink_unicast+0x449/0x710 [ 4695.272493][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.272493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.272493][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.272493][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.272493][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.272493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.272493][ T903] [ 4695.274698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4695.274698][ T903] netdev_get_by_index+0x5e/0x80 [ 4695.274698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4695.274698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4695.274698][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4695.274698][ T903] ipv6_add_addr+0x411/0x2000 [ 4695.274698][ T903] inet6_addr_add+0x30e/0xa40 [ 4695.274698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.274698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.274698][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.274698][ T903] netlink_unicast+0x449/0x710 [ 4695.274698][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.274698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.274698][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.274698][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.274698][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.274698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.274698][ T903] [ 4695.276885][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4695.276885][ T903] netdev_get_by_index+0x5e/0x80 [ 4695.276885][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4695.276885][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4695.276885][ T903] ip6_route_add+0x1c/0x140 [ 4695.276885][ T903] addrconf_add_mroute+0x129/0x180 [ 4695.276885][ T903] addrconf_add_dev+0xe2/0x170 [ 4695.276885][ T903] inet6_addr_add+0x12f/0xa40 [ 4695.276885][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.276885][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.276885][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.276885][ T903] netlink_unicast+0x449/0x710 [ 4695.276885][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.276885][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.276885][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.276885][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.276885][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.276885][ T903] [ 4695.279054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4695.279054][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4695.279054][ T903] ipv6_find_idev+0x102/0x170 [ 4695.279054][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.279054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.279054][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.279054][ T903] netlink_unicast+0x449/0x710 [ 4695.279054][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.279054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.279054][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.279054][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.279054][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.279054][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.279054][ T903] [ 4695.280768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4695.280768][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4695.280768][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4695.280768][ T903] ipv6_find_idev+0x102/0x170 [ 4695.280768][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.280768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.280768][ T903] netlink_rcv_skb+0x130/0x360 [ 4695.280768][ T903] netlink_unicast+0x449/0x710 [ 4695.280768][ T903] netlink_sendmsg+0x723/0xbe0 [ 4695.280768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4695.280768][ T903] ___sys_sendmsg+0xee/0x170 [ 4695.280768][ T903] __sys_sendmsg+0xcd/0x170 [ 4695.280768][ T903] do_syscall_64+0xc6/0x1e0 [ 4695.280768][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.280768][ T903] [ 4705.517829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4705.518331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4705.518331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4705.518331][ T903] ip6_validate_gw+0x3eb/0x790 [ 4705.518331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4705.518331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4705.518331][ T903] ip6_route_add+0x1c/0x140 [ 4705.518331][ T903] inet6_rtm_newroute+0x104/0x110 [ 4705.518331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.518331][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.518331][ T903] netlink_unicast+0x449/0x710 [ 4705.518331][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.518331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.518331][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.518331][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.518331][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.518331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.518331][ T903] [ 4705.520477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4705.520477][ T903] netdev_get_by_index+0x5e/0x80 [ 4705.520477][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4705.520477][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4705.520477][ T903] ip6_route_add+0x1c/0x140 [ 4705.520477][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4705.520477][ T903] inet6_addr_add+0x4f8/0xa40 [ 4705.520477][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.520477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.520477][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.520477][ T903] netlink_unicast+0x449/0x710 [ 4705.520477][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.520477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.520477][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.520477][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.520477][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.520477][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.520477][ T903] [ 4705.522677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4705.522677][ T903] netdev_get_by_index+0x5e/0x80 [ 4705.522677][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4705.522677][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4705.522677][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4705.522677][ T903] ipv6_add_addr+0x411/0x2000 [ 4705.522677][ T903] inet6_addr_add+0x30e/0xa40 [ 4705.522677][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.522677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.522677][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.522677][ T903] netlink_unicast+0x449/0x710 [ 4705.522677][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.522677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.522677][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.522677][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.522677][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.522677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.522677][ T903] [ 4705.524866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4705.524866][ T903] netdev_get_by_index+0x5e/0x80 [ 4705.524866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4705.524866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4705.524866][ T903] ip6_route_add+0x1c/0x140 [ 4705.524866][ T903] addrconf_add_mroute+0x129/0x180 [ 4705.524866][ T903] addrconf_add_dev+0xe2/0x170 [ 4705.524866][ T903] inet6_addr_add+0x12f/0xa40 [ 4705.524866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.524866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.524866][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.524866][ T903] netlink_unicast+0x449/0x710 [ 4705.524866][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.524866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.524866][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.524866][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.524866][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.524866][ T903] [ 4705.527033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4705.527033][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4705.527033][ T903] ipv6_find_idev+0x102/0x170 [ 4705.527033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.527033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.527033][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.527033][ T903] netlink_unicast+0x449/0x710 [ 4705.527033][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.527033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.527033][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.527033][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.527033][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.527033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.527033][ T903] [ 4705.528725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4705.528725][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4705.528725][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4705.528725][ T903] ipv6_find_idev+0x102/0x170 [ 4705.528725][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.528725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.528725][ T903] netlink_rcv_skb+0x130/0x360 [ 4705.528725][ T903] netlink_unicast+0x449/0x710 [ 4705.528725][ T903] netlink_sendmsg+0x723/0xbe0 [ 4705.528725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4705.528725][ T903] ___sys_sendmsg+0xee/0x170 [ 4705.528725][ T903] __sys_sendmsg+0xcd/0x170 [ 4705.528725][ T903] do_syscall_64+0xc6/0x1e0 [ 4705.528725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.528725][ T903] [ 4715.765804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4715.766336][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4715.766336][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4715.766336][ T903] ip6_validate_gw+0x3eb/0x790 [ 4715.766336][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4715.766336][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4715.766336][ T903] ip6_route_add+0x1c/0x140 [ 4715.766336][ T903] inet6_rtm_newroute+0x104/0x110 [ 4715.766336][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.766336][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.766336][ T903] netlink_unicast+0x449/0x710 [ 4715.766336][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.766336][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.766336][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.766336][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.766336][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.766336][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.766336][ T903] [ 4715.768436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4715.768436][ T903] netdev_get_by_index+0x5e/0x80 [ 4715.768436][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4715.768436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4715.768436][ T903] ip6_route_add+0x1c/0x140 [ 4715.768436][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4715.768436][ T903] inet6_addr_add+0x4f8/0xa40 [ 4715.768436][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.768436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.768436][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.768436][ T903] netlink_unicast+0x449/0x710 [ 4715.768436][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.768436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.768436][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.768436][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.768436][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.768436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.768436][ T903] [ 4715.770674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4715.770674][ T903] netdev_get_by_index+0x5e/0x80 [ 4715.770674][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4715.770674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4715.770674][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4715.770674][ T903] ipv6_add_addr+0x411/0x2000 [ 4715.770674][ T903] inet6_addr_add+0x30e/0xa40 [ 4715.770674][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.770674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.770674][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.770674][ T903] netlink_unicast+0x449/0x710 [ 4715.770674][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.770674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.770674][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.770674][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.770674][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.770674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.770674][ T903] [ 4715.772874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4715.772874][ T903] netdev_get_by_index+0x5e/0x80 [ 4715.772874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4715.772874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4715.772874][ T903] ip6_route_add+0x1c/0x140 [ 4715.772874][ T903] addrconf_add_mroute+0x129/0x180 [ 4715.772874][ T903] addrconf_add_dev+0xe2/0x170 [ 4715.772874][ T903] inet6_addr_add+0x12f/0xa40 [ 4715.772874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.772874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.772874][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.772874][ T903] netlink_unicast+0x449/0x710 [ 4715.772874][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.772874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.772874][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.772874][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.772874][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.772874][ T903] [ 4715.775032][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4715.775032][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4715.775032][ T903] ipv6_find_idev+0x102/0x170 [ 4715.775032][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.775032][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.775032][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.775032][ T903] netlink_unicast+0x449/0x710 [ 4715.775032][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.775032][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.775032][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.775032][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.775032][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.775032][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.775032][ T903] [ 4715.776751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4715.776751][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4715.776751][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4715.776751][ T903] ipv6_find_idev+0x102/0x170 [ 4715.776751][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.776751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.776751][ T903] netlink_rcv_skb+0x130/0x360 [ 4715.776751][ T903] netlink_unicast+0x449/0x710 [ 4715.776751][ T903] netlink_sendmsg+0x723/0xbe0 [ 4715.776751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4715.776751][ T903] ___sys_sendmsg+0xee/0x170 [ 4715.776751][ T903] __sys_sendmsg+0xcd/0x170 [ 4715.776751][ T903] do_syscall_64+0xc6/0x1e0 [ 4715.776751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.776751][ T903] [ 4726.013808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4726.014310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4726.014310][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4726.014310][ T903] ip6_validate_gw+0x3eb/0x790 [ 4726.014310][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4726.014310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4726.014310][ T903] ip6_route_add+0x1c/0x140 [ 4726.014310][ T903] inet6_rtm_newroute+0x104/0x110 [ 4726.014310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.014310][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.014310][ T903] netlink_unicast+0x449/0x710 [ 4726.014310][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.014310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.014310][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.014310][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.014310][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.014310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.014310][ T903] [ 4726.016391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4726.016391][ T903] netdev_get_by_index+0x5e/0x80 [ 4726.016391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4726.016391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4726.016391][ T903] ip6_route_add+0x1c/0x140 [ 4726.016391][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4726.016391][ T903] inet6_addr_add+0x4f8/0xa40 [ 4726.016391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.016391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.016391][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.016391][ T903] netlink_unicast+0x449/0x710 [ 4726.016391][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.016391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.016391][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.016391][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.016391][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.016391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.016391][ T903] [ 4726.018584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4726.018584][ T903] netdev_get_by_index+0x5e/0x80 [ 4726.018584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4726.018584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4726.018584][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4726.018584][ T903] ipv6_add_addr+0x411/0x2000 [ 4726.018584][ T903] inet6_addr_add+0x30e/0xa40 [ 4726.018584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.018584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.018584][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.018584][ T903] netlink_unicast+0x449/0x710 [ 4726.018584][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.018584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.018584][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.018584][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.018584][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.018584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.018584][ T903] [ 4726.020939][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4726.020939][ T903] netdev_get_by_index+0x5e/0x80 [ 4726.020939][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4726.020939][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4726.020939][ T903] ip6_route_add+0x1c/0x140 [ 4726.020939][ T903] addrconf_add_mroute+0x129/0x180 [ 4726.020939][ T903] addrconf_add_dev+0xe2/0x170 [ 4726.020939][ T903] inet6_addr_add+0x12f/0xa40 [ 4726.020939][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.020939][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.020939][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.020939][ T903] netlink_unicast+0x449/0x710 [ 4726.020939][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.020939][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.020939][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.020939][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.020939][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.020939][ T903] [ 4726.023090][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4726.023090][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4726.023090][ T903] ipv6_find_idev+0x102/0x170 [ 4726.023090][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.023090][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.023090][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.023090][ T903] netlink_unicast+0x449/0x710 [ 4726.023090][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.023090][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.023090][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.023090][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.023090][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.023090][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.023090][ T903] [ 4726.024797][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4726.024797][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4726.024797][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4726.024797][ T903] ipv6_find_idev+0x102/0x170 [ 4726.024797][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.024797][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.024797][ T903] netlink_rcv_skb+0x130/0x360 [ 4726.024797][ T903] netlink_unicast+0x449/0x710 [ 4726.024797][ T903] netlink_sendmsg+0x723/0xbe0 [ 4726.024797][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4726.024797][ T903] ___sys_sendmsg+0xee/0x170 [ 4726.024797][ T903] __sys_sendmsg+0xcd/0x170 [ 4726.024797][ T903] do_syscall_64+0xc6/0x1e0 [ 4726.024797][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.024797][ T903] [ 4736.117804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4736.118319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4736.118319][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4736.118319][ T903] ip6_validate_gw+0x3eb/0x790 [ 4736.118319][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4736.118319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4736.118319][ T903] ip6_route_add+0x1c/0x140 [ 4736.118319][ T903] inet6_rtm_newroute+0x104/0x110 [ 4736.118319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.118319][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.118319][ T903] netlink_unicast+0x449/0x710 [ 4736.118319][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.118319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.118319][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.118319][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.118319][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.118319][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.118319][ T903] [ 4736.120434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4736.120434][ T903] netdev_get_by_index+0x5e/0x80 [ 4736.120434][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4736.120434][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4736.120434][ T903] ip6_route_add+0x1c/0x140 [ 4736.120434][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4736.120434][ T903] inet6_addr_add+0x4f8/0xa40 [ 4736.120434][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.120434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.120434][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.120434][ T903] netlink_unicast+0x449/0x710 [ 4736.120434][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.120434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.120434][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.120434][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.120434][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.120434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.120434][ T903] [ 4736.122644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4736.122644][ T903] netdev_get_by_index+0x5e/0x80 [ 4736.122644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4736.122644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4736.122644][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4736.122644][ T903] ipv6_add_addr+0x411/0x2000 [ 4736.122644][ T903] inet6_addr_add+0x30e/0xa40 [ 4736.122644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.122644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.122644][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.122644][ T903] netlink_unicast+0x449/0x710 [ 4736.122644][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.122644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.122644][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.122644][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.122644][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.122644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.122644][ T903] [ 4736.124842][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4736.124842][ T903] netdev_get_by_index+0x5e/0x80 [ 4736.124842][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4736.124842][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4736.124842][ T903] ip6_route_add+0x1c/0x140 [ 4736.124842][ T903] addrconf_add_mroute+0x129/0x180 [ 4736.124842][ T903] addrconf_add_dev+0xe2/0x170 [ 4736.124842][ T903] inet6_addr_add+0x12f/0xa40 [ 4736.124842][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.124842][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.124842][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.124842][ T903] netlink_unicast+0x449/0x710 [ 4736.124842][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.124842][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.124842][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.124842][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.124842][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.124842][ T903] [ 4736.127010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4736.127010][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4736.127010][ T903] ipv6_find_idev+0x102/0x170 [ 4736.127010][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.127010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.127010][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.127010][ T903] netlink_unicast+0x449/0x710 [ 4736.127010][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.127010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.127010][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.127010][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.127010][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.127010][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.127010][ T903] [ 4736.128707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4736.128707][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4736.128707][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4736.128707][ T903] ipv6_find_idev+0x102/0x170 [ 4736.128707][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.128707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.128707][ T903] netlink_rcv_skb+0x130/0x360 [ 4736.128707][ T903] netlink_unicast+0x449/0x710 [ 4736.128707][ T903] netlink_sendmsg+0x723/0xbe0 [ 4736.128707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4736.128707][ T903] ___sys_sendmsg+0xee/0x170 [ 4736.128707][ T903] __sys_sendmsg+0xcd/0x170 [ 4736.128707][ T903] do_syscall_64+0xc6/0x1e0 [ 4736.128707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.128707][ T903] [ 4746.365806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4746.366302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4746.366302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4746.366302][ T903] ip6_validate_gw+0x3eb/0x790 [ 4746.366302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4746.366302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4746.366302][ T903] ip6_route_add+0x1c/0x140 [ 4746.366302][ T903] inet6_rtm_newroute+0x104/0x110 [ 4746.366302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.366302][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.366302][ T903] netlink_unicast+0x449/0x710 [ 4746.366302][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.366302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.366302][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.366302][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.366302][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.366302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.366302][ T903] [ 4746.368429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4746.368429][ T903] netdev_get_by_index+0x5e/0x80 [ 4746.368429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4746.368429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4746.368429][ T903] ip6_route_add+0x1c/0x140 [ 4746.368429][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4746.368429][ T903] inet6_addr_add+0x4f8/0xa40 [ 4746.368429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.368429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.368429][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.368429][ T903] netlink_unicast+0x449/0x710 [ 4746.368429][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.368429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.368429][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.368429][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.368429][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.368429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.368429][ T903] [ 4746.370646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4746.370646][ T903] netdev_get_by_index+0x5e/0x80 [ 4746.370646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4746.370646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4746.370646][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4746.370646][ T903] ipv6_add_addr+0x411/0x2000 [ 4746.370646][ T903] inet6_addr_add+0x30e/0xa40 [ 4746.370646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.370646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.370646][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.370646][ T903] netlink_unicast+0x449/0x710 [ 4746.370646][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.370646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.370646][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.370646][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.370646][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.370646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.370646][ T903] [ 4746.372838][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4746.372838][ T903] netdev_get_by_index+0x5e/0x80 [ 4746.372838][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4746.372838][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4746.372838][ T903] ip6_route_add+0x1c/0x140 [ 4746.372838][ T903] addrconf_add_mroute+0x129/0x180 [ 4746.372838][ T903] addrconf_add_dev+0xe2/0x170 [ 4746.372838][ T903] inet6_addr_add+0x12f/0xa40 [ 4746.372838][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.372838][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.372838][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.372838][ T903] netlink_unicast+0x449/0x710 [ 4746.372838][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.372838][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.372838][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.372838][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.372838][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.372838][ T903] [ 4746.374990][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4746.374990][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4746.374990][ T903] ipv6_find_idev+0x102/0x170 [ 4746.374990][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.374990][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.374990][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.374990][ T903] netlink_unicast+0x449/0x710 [ 4746.374990][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.374990][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.374990][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.374990][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.374990][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.374990][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.374990][ T903] [ 4746.376676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4746.376676][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4746.376676][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4746.376676][ T903] ipv6_find_idev+0x102/0x170 [ 4746.376676][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.376676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.376676][ T903] netlink_rcv_skb+0x130/0x360 [ 4746.376676][ T903] netlink_unicast+0x449/0x710 [ 4746.376676][ T903] netlink_sendmsg+0x723/0xbe0 [ 4746.376676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4746.376676][ T903] ___sys_sendmsg+0xee/0x170 [ 4746.376676][ T903] __sys_sendmsg+0xcd/0x170 [ 4746.376676][ T903] do_syscall_64+0xc6/0x1e0 [ 4746.376676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.376676][ T903] [ 4756.613805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4756.614299][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4756.614299][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4756.614299][ T903] ip6_validate_gw+0x3eb/0x790 [ 4756.614299][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4756.614299][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4756.614299][ T903] ip6_route_add+0x1c/0x140 [ 4756.614299][ T903] inet6_rtm_newroute+0x104/0x110 [ 4756.614299][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.614299][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.614299][ T903] netlink_unicast+0x449/0x710 [ 4756.614299][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.614299][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.614299][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.614299][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.614299][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.614299][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.614299][ T903] [ 4756.616402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4756.616402][ T903] netdev_get_by_index+0x5e/0x80 [ 4756.616402][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4756.616402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4756.616402][ T903] ip6_route_add+0x1c/0x140 [ 4756.616402][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4756.616402][ T903] inet6_addr_add+0x4f8/0xa40 [ 4756.616402][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.616402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.616402][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.616402][ T903] netlink_unicast+0x449/0x710 [ 4756.616402][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.616402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.616402][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.616402][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.616402][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.616402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.616402][ T903] [ 4756.618628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4756.618628][ T903] netdev_get_by_index+0x5e/0x80 [ 4756.618628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4756.618628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4756.618628][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4756.618628][ T903] ipv6_add_addr+0x411/0x2000 [ 4756.618628][ T903] inet6_addr_add+0x30e/0xa40 [ 4756.618628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.618628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.618628][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.618628][ T903] netlink_unicast+0x449/0x710 [ 4756.618628][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.618628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.618628][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.618628][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.618628][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.618628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.618628][ T903] [ 4756.620843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4756.620843][ T903] netdev_get_by_index+0x5e/0x80 [ 4756.620843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4756.620843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4756.620843][ T903] ip6_route_add+0x1c/0x140 [ 4756.620843][ T903] addrconf_add_mroute+0x129/0x180 [ 4756.620843][ T903] addrconf_add_dev+0xe2/0x170 [ 4756.620843][ T903] inet6_addr_add+0x12f/0xa40 [ 4756.620843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4756.620843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.620843][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.620843][ T903] netlink_unicast+0x449/0x710 [ 4756.620843][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.620843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.620843][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.620843][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.620843][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.620843][ T903] [ 4756.623001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4756.623001][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4756.623001][ T903] ipv6_find_idev+0x102/0x170 [ 4756.623001][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.623001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.623001][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.623001][ T903] netlink_unicast+0x449/0x710 [ 4756.623001][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.623001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.623001][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.623001][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.623001][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.623001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.623001][ T903] [ 4756.624690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4756.624690][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4756.624690][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4756.624690][ T903] ipv6_find_idev+0x102/0x170 [ 4756.624690][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4756.624690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4756.624690][ T903] netlink_rcv_skb+0x130/0x360 [ 4756.624690][ T903] netlink_unicast+0x449/0x710 [ 4756.624690][ T903] netlink_sendmsg+0x723/0xbe0 [ 4756.624690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4756.624690][ T903] ___sys_sendmsg+0xee/0x170 [ 4756.624690][ T903] __sys_sendmsg+0xcd/0x170 [ 4756.624690][ T903] do_syscall_64+0xc6/0x1e0 [ 4756.624690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4756.624690][ T903] [ 4766.861823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4766.862353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4766.862353][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4766.862353][ T903] ip6_validate_gw+0x3eb/0x790 [ 4766.862353][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4766.862353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4766.862353][ T903] ip6_route_add+0x1c/0x140 [ 4766.862353][ T903] inet6_rtm_newroute+0x104/0x110 [ 4766.862353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.862353][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.862353][ T903] netlink_unicast+0x449/0x710 [ 4766.862353][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.862353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.862353][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.862353][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.862353][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.862353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.862353][ T903] [ 4766.864480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4766.864480][ T903] netdev_get_by_index+0x5e/0x80 [ 4766.864480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4766.864480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4766.864480][ T903] ip6_route_add+0x1c/0x140 [ 4766.864480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4766.864480][ T903] inet6_addr_add+0x4f8/0xa40 [ 4766.864480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.864480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.864480][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.864480][ T903] netlink_unicast+0x449/0x710 [ 4766.864480][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.864480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.864480][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.864480][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.864480][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.864480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.864480][ T903] [ 4766.866713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4766.866713][ T903] netdev_get_by_index+0x5e/0x80 [ 4766.866713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4766.866713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4766.866713][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4766.866713][ T903] ipv6_add_addr+0x411/0x2000 [ 4766.866713][ T903] inet6_addr_add+0x30e/0xa40 [ 4766.866713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.866713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.866713][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.866713][ T903] netlink_unicast+0x449/0x710 [ 4766.866713][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.866713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.866713][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.866713][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.866713][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.866713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.866713][ T903] [ 4766.868937][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4766.868937][ T903] netdev_get_by_index+0x5e/0x80 [ 4766.868937][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4766.868937][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4766.868937][ T903] ip6_route_add+0x1c/0x140 [ 4766.868937][ T903] addrconf_add_mroute+0x129/0x180 [ 4766.868937][ T903] addrconf_add_dev+0xe2/0x170 [ 4766.868937][ T903] inet6_addr_add+0x12f/0xa40 [ 4766.868937][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4766.868937][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.868937][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.868937][ T903] netlink_unicast+0x449/0x710 [ 4766.868937][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.868937][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.868937][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.868937][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.868937][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.868937][ T903] [ 4766.871137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4766.871137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4766.871137][ T903] ipv6_find_idev+0x102/0x170 [ 4766.871137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.871137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.871137][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.871137][ T903] netlink_unicast+0x449/0x710 [ 4766.871137][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.871137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.871137][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.871137][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.871137][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.871137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.871137][ T903] [ 4766.872853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4766.872853][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4766.872853][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4766.872853][ T903] ipv6_find_idev+0x102/0x170 [ 4766.872853][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4766.872853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4766.872853][ T903] netlink_rcv_skb+0x130/0x360 [ 4766.872853][ T903] netlink_unicast+0x449/0x710 [ 4766.872853][ T903] netlink_sendmsg+0x723/0xbe0 [ 4766.872853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4766.872853][ T903] ___sys_sendmsg+0xee/0x170 [ 4766.872853][ T903] __sys_sendmsg+0xcd/0x170 [ 4766.872853][ T903] do_syscall_64+0xc6/0x1e0 [ 4766.872853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4766.872853][ T903] [ 4776.885811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4776.886272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4776.886272][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4776.886272][ T903] ip6_validate_gw+0x3eb/0x790 [ 4776.886272][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4776.886272][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4776.886272][ T903] ip6_route_add+0x1c/0x140 [ 4776.886272][ T903] inet6_rtm_newroute+0x104/0x110 [ 4776.886272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.886272][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.886272][ T903] netlink_unicast+0x449/0x710 [ 4776.886272][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.886272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.886272][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.886272][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.886272][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.886272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4776.886272][ T903] [ 4776.888406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4776.888406][ T903] netdev_get_by_index+0x5e/0x80 [ 4776.888406][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4776.888406][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4776.888406][ T903] ip6_route_add+0x1c/0x140 [ 4776.888406][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4776.888406][ T903] inet6_addr_add+0x4f8/0xa40 [ 4776.888406][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4776.888406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.888406][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.888406][ T903] netlink_unicast+0x449/0x710 [ 4776.888406][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.888406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.888406][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.888406][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.888406][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.888406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4776.888406][ T903] [ 4776.891160][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4776.891160][ T903] netdev_get_by_index+0x5e/0x80 [ 4776.891160][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4776.891160][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4776.891160][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4776.891160][ T903] ipv6_add_addr+0x411/0x2000 [ 4776.891160][ T903] inet6_addr_add+0x30e/0xa40 [ 4776.891160][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4776.891160][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.891160][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.891160][ T903] netlink_unicast+0x449/0x710 [ 4776.891160][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.891160][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.891160][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.891160][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.891160][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.891160][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4776.891160][ T903] [ 4776.893388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4776.893388][ T903] netdev_get_by_index+0x5e/0x80 [ 4776.893388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4776.893388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4776.893388][ T903] ip6_route_add+0x1c/0x140 [ 4776.893388][ T903] addrconf_add_mroute+0x129/0x180 [ 4776.893388][ T903] addrconf_add_dev+0xe2/0x170 [ 4776.893388][ T903] inet6_addr_add+0x12f/0xa40 [ 4776.893388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4776.893388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.893388][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.893388][ T903] netlink_unicast+0x449/0x710 [ 4776.893388][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.893388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.893388][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.893388][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.893388][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.893388][ T903] [ 4776.895579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4776.895579][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4776.895579][ T903] ipv6_find_idev+0x102/0x170 [ 4776.895579][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4776.895579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.895579][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.895579][ T903] netlink_unicast+0x449/0x710 [ 4776.895579][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.895579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.895579][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.895579][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.895579][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.895579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4776.895579][ T903] [ 4776.897292][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4776.897292][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4776.897292][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4776.897292][ T903] ipv6_find_idev+0x102/0x170 [ 4776.897292][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4776.897292][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4776.897292][ T903] netlink_rcv_skb+0x130/0x360 [ 4776.897292][ T903] netlink_unicast+0x449/0x710 [ 4776.897292][ T903] netlink_sendmsg+0x723/0xbe0 [ 4776.897292][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4776.897292][ T903] ___sys_sendmsg+0xee/0x170 [ 4776.897292][ T903] __sys_sendmsg+0xcd/0x170 [ 4776.897292][ T903] do_syscall_64+0xc6/0x1e0 [ 4776.897292][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4776.897292][ T903] [ 4787.149747][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4787.150300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4787.150300][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4787.150300][ T903] ip6_validate_gw+0x3eb/0x790 [ 4787.150300][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4787.150300][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4787.150300][ T903] ip6_route_add+0x1c/0x140 [ 4787.150300][ T903] inet6_rtm_newroute+0x104/0x110 [ 4787.150300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.150300][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.150300][ T903] netlink_unicast+0x449/0x710 [ 4787.150300][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.150300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.150300][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.150300][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.150300][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.150300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.150300][ T903] [ 4787.152390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4787.152390][ T903] netdev_get_by_index+0x5e/0x80 [ 4787.152390][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4787.152390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4787.152390][ T903] ip6_route_add+0x1c/0x140 [ 4787.152390][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4787.152390][ T903] inet6_addr_add+0x4f8/0xa40 [ 4787.152390][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.152390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.152390][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.152390][ T903] netlink_unicast+0x449/0x710 [ 4787.152390][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.152390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.152390][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.152390][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.152390][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.152390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.152390][ T903] [ 4787.154580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4787.154580][ T903] netdev_get_by_index+0x5e/0x80 [ 4787.154580][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4787.154580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4787.154580][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4787.154580][ T903] ipv6_add_addr+0x411/0x2000 [ 4787.154580][ T903] inet6_addr_add+0x30e/0xa40 [ 4787.154580][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.154580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.154580][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.154580][ T903] netlink_unicast+0x449/0x710 [ 4787.154580][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.154580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.154580][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.154580][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.154580][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.154580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.154580][ T903] [ 4787.156767][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4787.156767][ T903] netdev_get_by_index+0x5e/0x80 [ 4787.156767][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4787.156767][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4787.156767][ T903] ip6_route_add+0x1c/0x140 [ 4787.156767][ T903] addrconf_add_mroute+0x129/0x180 [ 4787.156767][ T903] addrconf_add_dev+0xe2/0x170 [ 4787.156767][ T903] inet6_addr_add+0x12f/0xa40 [ 4787.156767][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.156767][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.156767][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.156767][ T903] netlink_unicast+0x449/0x710 [ 4787.156767][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.156767][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.156767][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.156767][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.156767][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.156767][ T903] [ 4787.158932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4787.158932][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4787.158932][ T903] ipv6_find_idev+0x102/0x170 [ 4787.158932][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.158932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.158932][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.158932][ T903] netlink_unicast+0x449/0x710 [ 4787.158932][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.158932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.158932][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.158932][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.158932][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.158932][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.158932][ T903] [ 4787.160628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4787.160628][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4787.160628][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4787.160628][ T903] ipv6_find_idev+0x102/0x170 [ 4787.160628][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.160628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.160628][ T903] netlink_rcv_skb+0x130/0x360 [ 4787.160628][ T903] netlink_unicast+0x449/0x710 [ 4787.160628][ T903] netlink_sendmsg+0x723/0xbe0 [ 4787.160628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4787.160628][ T903] ___sys_sendmsg+0xee/0x170 [ 4787.160628][ T903] __sys_sendmsg+0xcd/0x170 [ 4787.160628][ T903] do_syscall_64+0xc6/0x1e0 [ 4787.160628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.160628][ T903] [ 4797.413817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4797.414326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4797.414326][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4797.414326][ T903] ip6_validate_gw+0x3eb/0x790 [ 4797.414326][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4797.414326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4797.414326][ T903] ip6_route_add+0x1c/0x140 [ 4797.414326][ T903] inet6_rtm_newroute+0x104/0x110 [ 4797.414326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.414326][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.414326][ T903] netlink_unicast+0x449/0x710 [ 4797.414326][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.414326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.414326][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.414326][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.414326][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.414326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.414326][ T903] [ 4797.416422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4797.416422][ T903] netdev_get_by_index+0x5e/0x80 [ 4797.416422][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4797.416422][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4797.416422][ T903] ip6_route_add+0x1c/0x140 [ 4797.416422][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4797.416422][ T903] inet6_addr_add+0x4f8/0xa40 [ 4797.416422][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.416422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.416422][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.416422][ T903] netlink_unicast+0x449/0x710 [ 4797.416422][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.416422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.416422][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.416422][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.416422][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.416422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.416422][ T903] [ 4797.418623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4797.418623][ T903] netdev_get_by_index+0x5e/0x80 [ 4797.418623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4797.418623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4797.418623][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4797.418623][ T903] ipv6_add_addr+0x411/0x2000 [ 4797.418623][ T903] inet6_addr_add+0x30e/0xa40 [ 4797.418623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.418623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.418623][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.418623][ T903] netlink_unicast+0x449/0x710 [ 4797.418623][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.418623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.418623][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.418623][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.418623][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.418623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.418623][ T903] [ 4797.420826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4797.420826][ T903] netdev_get_by_index+0x5e/0x80 [ 4797.420826][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4797.420826][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4797.420826][ T903] ip6_route_add+0x1c/0x140 [ 4797.420826][ T903] addrconf_add_mroute+0x129/0x180 [ 4797.420826][ T903] addrconf_add_dev+0xe2/0x170 [ 4797.420826][ T903] inet6_addr_add+0x12f/0xa40 [ 4797.420826][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4797.420826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.420826][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.420826][ T903] netlink_unicast+0x449/0x710 [ 4797.420826][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.420826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.420826][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.420826][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.420826][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.420826][ T903] [ 4797.423100][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4797.423100][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4797.423100][ T903] ipv6_find_idev+0x102/0x170 [ 4797.423100][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.423100][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.423100][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.423100][ T903] netlink_unicast+0x449/0x710 [ 4797.423100][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.423100][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.423100][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.423100][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.423100][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.423100][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.423100][ T903] [ 4797.424792][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4797.424792][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4797.424792][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4797.424792][ T903] ipv6_find_idev+0x102/0x170 [ 4797.424792][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4797.424792][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4797.424792][ T903] netlink_rcv_skb+0x130/0x360 [ 4797.424792][ T903] netlink_unicast+0x449/0x710 [ 4797.424792][ T903] netlink_sendmsg+0x723/0xbe0 [ 4797.424792][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4797.424792][ T903] ___sys_sendmsg+0xee/0x170 [ 4797.424792][ T903] __sys_sendmsg+0xcd/0x170 [ 4797.424792][ T903] do_syscall_64+0xc6/0x1e0 [ 4797.424792][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4797.424792][ T903] [ 4807.669731][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4807.670313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4807.670313][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4807.670313][ T903] ip6_validate_gw+0x3eb/0x790 [ 4807.670313][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4807.670313][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4807.670313][ T903] ip6_route_add+0x1c/0x140 [ 4807.670313][ T903] inet6_rtm_newroute+0x104/0x110 [ 4807.670313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.670313][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.670313][ T903] netlink_unicast+0x449/0x710 [ 4807.670313][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.670313][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.670313][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.670313][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.670313][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.670313][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4807.670313][ T903] [ 4807.672572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4807.672572][ T903] netdev_get_by_index+0x5e/0x80 [ 4807.672572][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4807.672572][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4807.672572][ T903] ip6_route_add+0x1c/0x140 [ 4807.672572][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4807.672572][ T903] inet6_addr_add+0x4f8/0xa40 [ 4807.672572][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4807.672572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.672572][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.672572][ T903] netlink_unicast+0x449/0x710 [ 4807.672572][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.672572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.672572][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.672572][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.672572][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.672572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4807.672572][ T903] [ 4807.674874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4807.674874][ T903] netdev_get_by_index+0x5e/0x80 [ 4807.674874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4807.674874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4807.674874][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4807.674874][ T903] ipv6_add_addr+0x411/0x2000 [ 4807.674874][ T903] inet6_addr_add+0x30e/0xa40 [ 4807.674874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4807.674874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.674874][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.674874][ T903] netlink_unicast+0x449/0x710 [ 4807.674874][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.674874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.674874][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.674874][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.674874][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.674874][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4807.674874][ T903] [ 4807.677265][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4807.677265][ T903] netdev_get_by_index+0x5e/0x80 [ 4807.677265][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4807.677265][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4807.677265][ T903] ip6_route_add+0x1c/0x140 [ 4807.677265][ T903] addrconf_add_mroute+0x129/0x180 [ 4807.677265][ T903] addrconf_add_dev+0xe2/0x170 [ 4807.677265][ T903] inet6_addr_add+0x12f/0xa40 [ 4807.677265][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4807.677265][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.677265][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.677265][ T903] netlink_unicast+0x449/0x710 [ 4807.677265][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.677265][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.677265][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.677265][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.677265][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.677265][ T903] [ 4807.679658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4807.679658][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4807.679658][ T903] ipv6_find_idev+0x102/0x170 [ 4807.679658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4807.679658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.679658][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.679658][ T903] netlink_unicast+0x449/0x710 [ 4807.679658][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.679658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.679658][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.679658][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.679658][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.679658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4807.679658][ T903] [ 4807.681459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4807.681459][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4807.681459][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4807.681459][ T903] ipv6_find_idev+0x102/0x170 [ 4807.681459][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4807.681459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4807.681459][ T903] netlink_rcv_skb+0x130/0x360 [ 4807.681459][ T903] netlink_unicast+0x449/0x710 [ 4807.681459][ T903] netlink_sendmsg+0x723/0xbe0 [ 4807.681459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4807.681459][ T903] ___sys_sendmsg+0xee/0x170 [ 4807.681459][ T903] __sys_sendmsg+0xcd/0x170 [ 4807.681459][ T903] do_syscall_64+0xc6/0x1e0 [ 4807.681459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4807.681459][ T903] [ 4817.709837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4817.710281][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4817.710281][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4817.710281][ T903] ip6_validate_gw+0x3eb/0x790 [ 4817.710281][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4817.710281][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4817.710281][ T903] ip6_route_add+0x1c/0x140 [ 4817.710281][ T903] inet6_rtm_newroute+0x104/0x110 [ 4817.710281][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.710281][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.710281][ T903] netlink_unicast+0x449/0x710 [ 4817.710281][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.710281][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.710281][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.710281][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.710281][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.710281][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4817.710281][ T903] [ 4817.712399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4817.712399][ T903] netdev_get_by_index+0x5e/0x80 [ 4817.712399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4817.712399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4817.712399][ T903] ip6_route_add+0x1c/0x140 [ 4817.712399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4817.712399][ T903] inet6_addr_add+0x4f8/0xa40 [ 4817.712399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4817.712399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.712399][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.712399][ T903] netlink_unicast+0x449/0x710 [ 4817.712399][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.712399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.712399][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.712399][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.712399][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.712399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4817.712399][ T903] [ 4817.715849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4817.715849][ T903] netdev_get_by_index+0x5e/0x80 [ 4817.715849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4817.715849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4817.715849][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4817.715849][ T903] ipv6_add_addr+0x411/0x2000 [ 4817.715849][ T903] inet6_addr_add+0x30e/0xa40 [ 4817.715849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4817.715849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.715849][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.715849][ T903] netlink_unicast+0x449/0x710 [ 4817.715849][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.715849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.715849][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.715849][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.715849][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.715849][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4817.715849][ T903] [ 4817.719461][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4817.719461][ T903] netdev_get_by_index+0x5e/0x80 [ 4817.719461][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4817.719461][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4817.719461][ T903] ip6_route_add+0x1c/0x140 [ 4817.719461][ T903] addrconf_add_mroute+0x129/0x180 [ 4817.719461][ T903] addrconf_add_dev+0xe2/0x170 [ 4817.719461][ T903] inet6_addr_add+0x12f/0xa40 [ 4817.719461][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4817.719461][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.719461][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.719461][ T903] netlink_unicast+0x449/0x710 [ 4817.719461][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.719461][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.719461][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.719461][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.719461][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.719461][ T903] [ 4817.723023][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4817.723023][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4817.723023][ T903] ipv6_find_idev+0x102/0x170 [ 4817.723023][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4817.723023][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.723023][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.723023][ T903] netlink_unicast+0x449/0x710 [ 4817.723023][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.723023][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.723023][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.723023][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.723023][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.723023][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4817.723023][ T903] [ 4817.725219][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4817.725219][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4817.725219][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4817.725219][ T903] ipv6_find_idev+0x102/0x170 [ 4817.725219][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4817.725219][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4817.725219][ T903] netlink_rcv_skb+0x130/0x360 [ 4817.725219][ T903] netlink_unicast+0x449/0x710 [ 4817.725219][ T903] netlink_sendmsg+0x723/0xbe0 [ 4817.725219][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4817.725219][ T903] ___sys_sendmsg+0xee/0x170 [ 4817.725219][ T903] __sys_sendmsg+0xcd/0x170 [ 4817.725219][ T903] do_syscall_64+0xc6/0x1e0 [ 4817.725219][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4817.725219][ T903] [ 4827.773825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4827.774322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4827.774322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4827.774322][ T903] ip6_validate_gw+0x3eb/0x790 [ 4827.774322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4827.774322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4827.774322][ T903] ip6_route_add+0x1c/0x140 [ 4827.774322][ T903] inet6_rtm_newroute+0x104/0x110 [ 4827.774322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.774322][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.774322][ T903] netlink_unicast+0x449/0x710 [ 4827.774322][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.774322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.774322][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.774322][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.774322][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.774322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4827.774322][ T903] [ 4827.776420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4827.776420][ T903] netdev_get_by_index+0x5e/0x80 [ 4827.776420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4827.776420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4827.776420][ T903] ip6_route_add+0x1c/0x140 [ 4827.776420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4827.776420][ T903] inet6_addr_add+0x4f8/0xa40 [ 4827.776420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4827.776420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.776420][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.776420][ T903] netlink_unicast+0x449/0x710 [ 4827.776420][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.776420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.776420][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.776420][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.776420][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.776420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4827.776420][ T903] [ 4827.778603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4827.778603][ T903] netdev_get_by_index+0x5e/0x80 [ 4827.778603][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4827.778603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4827.778603][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4827.778603][ T903] ipv6_add_addr+0x411/0x2000 [ 4827.778603][ T903] inet6_addr_add+0x30e/0xa40 [ 4827.778603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4827.778603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.778603][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.778603][ T903] netlink_unicast+0x449/0x710 [ 4827.778603][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.778603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.778603][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.778603][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.778603][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.778603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4827.778603][ T903] [ 4827.780810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4827.780810][ T903] netdev_get_by_index+0x5e/0x80 [ 4827.780810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4827.780810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4827.780810][ T903] ip6_route_add+0x1c/0x140 [ 4827.780810][ T903] addrconf_add_mroute+0x129/0x180 [ 4827.780810][ T903] addrconf_add_dev+0xe2/0x170 [ 4827.780810][ T903] inet6_addr_add+0x12f/0xa40 [ 4827.780810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4827.780810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.780810][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.780810][ T903] netlink_unicast+0x449/0x710 [ 4827.780810][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.780810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.780810][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.780810][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.780810][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.780810][ T903] [ 4827.782962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4827.782962][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4827.782962][ T903] ipv6_find_idev+0x102/0x170 [ 4827.782962][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4827.782962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.782962][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.782962][ T903] netlink_unicast+0x449/0x710 [ 4827.782962][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.782962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.782962][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.782962][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.782962][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.782962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4827.782962][ T903] [ 4827.784645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4827.784645][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4827.784645][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4827.784645][ T903] ipv6_find_idev+0x102/0x170 [ 4827.784645][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4827.784645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4827.784645][ T903] netlink_rcv_skb+0x130/0x360 [ 4827.784645][ T903] netlink_unicast+0x449/0x710 [ 4827.784645][ T903] netlink_sendmsg+0x723/0xbe0 [ 4827.784645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4827.784645][ T903] ___sys_sendmsg+0xee/0x170 [ 4827.784645][ T903] __sys_sendmsg+0xcd/0x170 [ 4827.784645][ T903] do_syscall_64+0xc6/0x1e0 [ 4827.784645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4827.784645][ T903] [ 4838.029889][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4838.030982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4838.030982][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4838.030982][ T903] ip6_validate_gw+0x3eb/0x790 [ 4838.030982][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4838.030982][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4838.030982][ T903] ip6_route_add+0x1c/0x140 [ 4838.030982][ T903] inet6_rtm_newroute+0x104/0x110 [ 4838.030982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.030982][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.030982][ T903] netlink_unicast+0x449/0x710 [ 4838.030982][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.030982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.030982][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.030982][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.030982][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.030982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.030982][ T903] [ 4838.033233][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4838.033233][ T903] netdev_get_by_index+0x5e/0x80 [ 4838.033233][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4838.033233][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4838.033233][ T903] ip6_route_add+0x1c/0x140 [ 4838.033233][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4838.033233][ T903] inet6_addr_add+0x4f8/0xa40 [ 4838.033233][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.033233][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.033233][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.033233][ T903] netlink_unicast+0x449/0x710 [ 4838.033233][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.033233][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.033233][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.033233][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.033233][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.033233][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.033233][ T903] [ 4838.035439][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4838.035439][ T903] netdev_get_by_index+0x5e/0x80 [ 4838.035439][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4838.035439][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4838.035439][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4838.035439][ T903] ipv6_add_addr+0x411/0x2000 [ 4838.035439][ T903] inet6_addr_add+0x30e/0xa40 [ 4838.035439][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.035439][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.035439][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.035439][ T903] netlink_unicast+0x449/0x710 [ 4838.035439][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.035439][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.035439][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.035439][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.035439][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.035439][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.035439][ T903] [ 4838.037596][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4838.037596][ T903] netdev_get_by_index+0x5e/0x80 [ 4838.037596][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4838.037596][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4838.037596][ T903] ip6_route_add+0x1c/0x140 [ 4838.037596][ T903] addrconf_add_mroute+0x129/0x180 [ 4838.037596][ T903] addrconf_add_dev+0xe2/0x170 [ 4838.037596][ T903] inet6_addr_add+0x12f/0xa40 [ 4838.037596][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4838.037596][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.037596][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.037596][ T903] netlink_unicast+0x449/0x710 [ 4838.037596][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.037596][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.037596][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.037596][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.037596][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.037596][ T903] [ 4838.039730][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4838.039730][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4838.039730][ T903] ipv6_find_idev+0x102/0x170 [ 4838.039730][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.039730][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.039730][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.039730][ T903] netlink_unicast+0x449/0x710 [ 4838.039730][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.039730][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.039730][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.039730][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.039730][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.039730][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.039730][ T903] [ 4838.041440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4838.041440][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4838.041440][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4838.041440][ T903] ipv6_find_idev+0x102/0x170 [ 4838.041440][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4838.041440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4838.041440][ T903] netlink_rcv_skb+0x130/0x360 [ 4838.041440][ T903] netlink_unicast+0x449/0x710 [ 4838.041440][ T903] netlink_sendmsg+0x723/0xbe0 [ 4838.041440][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4838.041440][ T903] ___sys_sendmsg+0xee/0x170 [ 4838.041440][ T903] __sys_sendmsg+0xcd/0x170 [ 4838.041440][ T903] do_syscall_64+0xc6/0x1e0 [ 4838.041440][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4838.041440][ T903] [ 4848.285867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4848.286415][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4848.286415][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4848.286415][ T903] ip6_validate_gw+0x3eb/0x790 [ 4848.286415][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4848.286415][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4848.286415][ T903] ip6_route_add+0x1c/0x140 [ 4848.286415][ T903] inet6_rtm_newroute+0x104/0x110 [ 4848.286415][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.286415][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.286415][ T903] netlink_unicast+0x449/0x710 [ 4848.286415][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.286415][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.286415][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.286415][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.286415][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.286415][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.286415][ T903] [ 4848.288523][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4848.288523][ T903] netdev_get_by_index+0x5e/0x80 [ 4848.288523][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4848.288523][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4848.288523][ T903] ip6_route_add+0x1c/0x140 [ 4848.288523][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4848.288523][ T903] inet6_addr_add+0x4f8/0xa40 [ 4848.288523][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.288523][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.288523][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.288523][ T903] netlink_unicast+0x449/0x710 [ 4848.288523][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.288523][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.288523][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.288523][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.288523][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.288523][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.288523][ T903] [ 4848.290747][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4848.290747][ T903] netdev_get_by_index+0x5e/0x80 [ 4848.290747][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4848.290747][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4848.290747][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4848.290747][ T903] ipv6_add_addr+0x411/0x2000 [ 4848.290747][ T903] inet6_addr_add+0x30e/0xa40 [ 4848.290747][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.290747][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.290747][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.290747][ T903] netlink_unicast+0x449/0x710 [ 4848.290747][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.290747][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.290747][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.290747][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.290747][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.290747][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.290747][ T903] [ 4848.292904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4848.292904][ T903] netdev_get_by_index+0x5e/0x80 [ 4848.292904][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4848.292904][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4848.292904][ T903] ip6_route_add+0x1c/0x140 [ 4848.292904][ T903] addrconf_add_mroute+0x129/0x180 [ 4848.292904][ T903] addrconf_add_dev+0xe2/0x170 [ 4848.292904][ T903] inet6_addr_add+0x12f/0xa40 [ 4848.292904][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4848.292904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.292904][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.292904][ T903] netlink_unicast+0x449/0x710 [ 4848.292904][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.292904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.292904][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.292904][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.292904][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.292904][ T903] [ 4848.295076][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4848.295076][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4848.295076][ T903] ipv6_find_idev+0x102/0x170 [ 4848.295076][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4848.295076][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.295076][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.295076][ T903] netlink_unicast+0x449/0x710 [ 4848.295076][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.295076][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.295076][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.295076][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.295076][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.295076][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.295076][ T903] [ 4848.296786][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4848.296786][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4848.296786][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4848.296786][ T903] ipv6_find_idev+0x102/0x170 [ 4848.296786][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4848.296786][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4848.296786][ T903] netlink_rcv_skb+0x130/0x360 [ 4848.296786][ T903] netlink_unicast+0x449/0x710 [ 4848.296786][ T903] netlink_sendmsg+0x723/0xbe0 [ 4848.296786][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4848.296786][ T903] ___sys_sendmsg+0xee/0x170 [ 4848.296786][ T903] __sys_sendmsg+0xcd/0x170 [ 4848.296786][ T903] do_syscall_64+0xc6/0x1e0 [ 4848.296786][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4848.296786][ T903] [ 4858.453885][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4858.454386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4858.454386][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4858.454386][ T903] ip6_validate_gw+0x3eb/0x790 [ 4858.454386][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4858.454386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4858.454386][ T903] ip6_route_add+0x1c/0x140 [ 4858.454386][ T903] inet6_rtm_newroute+0x104/0x110 [ 4858.454386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.454386][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.454386][ T903] netlink_unicast+0x449/0x710 [ 4858.454386][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.454386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.454386][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.454386][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.454386][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.454386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4858.454386][ T903] [ 4858.456482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4858.456482][ T903] netdev_get_by_index+0x5e/0x80 [ 4858.456482][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4858.456482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4858.456482][ T903] ip6_route_add+0x1c/0x140 [ 4858.456482][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4858.456482][ T903] inet6_addr_add+0x4f8/0xa40 [ 4858.456482][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4858.456482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.456482][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.456482][ T903] netlink_unicast+0x449/0x710 [ 4858.456482][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.456482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.456482][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.456482][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.456482][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.456482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4858.456482][ T903] [ 4858.458684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4858.458684][ T903] netdev_get_by_index+0x5e/0x80 [ 4858.458684][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4858.458684][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4858.458684][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4858.458684][ T903] ipv6_add_addr+0x411/0x2000 [ 4858.458684][ T903] inet6_addr_add+0x30e/0xa40 [ 4858.458684][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4858.458684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.458684][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.458684][ T903] netlink_unicast+0x449/0x710 [ 4858.458684][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.458684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.458684][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.458684][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.458684][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.458684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4858.458684][ T903] [ 4858.460902][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4858.460902][ T903] netdev_get_by_index+0x5e/0x80 [ 4858.460902][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4858.460902][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4858.460902][ T903] ip6_route_add+0x1c/0x140 [ 4858.460902][ T903] addrconf_add_mroute+0x129/0x180 [ 4858.460902][ T903] addrconf_add_dev+0xe2/0x170 [ 4858.460902][ T903] inet6_addr_add+0x12f/0xa40 [ 4858.460902][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4858.460902][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.460902][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.460902][ T903] netlink_unicast+0x449/0x710 [ 4858.460902][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.460902][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.460902][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.460902][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.460902][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.460902][ T903] [ 4858.463048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4858.463048][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4858.463048][ T903] ipv6_find_idev+0x102/0x170 [ 4858.463048][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4858.463048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.463048][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.463048][ T903] netlink_unicast+0x449/0x710 [ 4858.463048][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.463048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.463048][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.463048][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.463048][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.463048][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4858.463048][ T903] [ 4858.464735][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4858.464735][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4858.464735][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4858.464735][ T903] ipv6_find_idev+0x102/0x170 [ 4858.464735][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4858.464735][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4858.464735][ T903] netlink_rcv_skb+0x130/0x360 [ 4858.464735][ T903] netlink_unicast+0x449/0x710 [ 4858.464735][ T903] netlink_sendmsg+0x723/0xbe0 [ 4858.464735][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4858.464735][ T903] ___sys_sendmsg+0xee/0x170 [ 4858.464735][ T903] __sys_sendmsg+0xcd/0x170 [ 4858.464735][ T903] do_syscall_64+0xc6/0x1e0 [ 4858.464735][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4858.464735][ T903] [ 4868.717893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4868.718396][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4868.718396][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4868.718396][ T903] ip6_validate_gw+0x3eb/0x790 [ 4868.718396][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4868.718396][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4868.718396][ T903] ip6_route_add+0x1c/0x140 [ 4868.718396][ T903] inet6_rtm_newroute+0x104/0x110 [ 4868.718396][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.718396][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.718396][ T903] netlink_unicast+0x449/0x710 [ 4868.718396][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.718396][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.718396][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.718396][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.718396][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.718396][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4868.718396][ T903] [ 4868.720497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4868.720497][ T903] netdev_get_by_index+0x5e/0x80 [ 4868.720497][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4868.720497][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4868.720497][ T903] ip6_route_add+0x1c/0x140 [ 4868.720497][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4868.720497][ T903] inet6_addr_add+0x4f8/0xa40 [ 4868.720497][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4868.720497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.720497][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.720497][ T903] netlink_unicast+0x449/0x710 [ 4868.720497][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.720497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.720497][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.720497][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.720497][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.720497][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4868.720497][ T903] [ 4868.722687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4868.722687][ T903] netdev_get_by_index+0x5e/0x80 [ 4868.722687][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4868.722687][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4868.722687][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4868.722687][ T903] ipv6_add_addr+0x411/0x2000 [ 4868.722687][ T903] inet6_addr_add+0x30e/0xa40 [ 4868.722687][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4868.722687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.722687][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.722687][ T903] netlink_unicast+0x449/0x710 [ 4868.722687][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.722687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.722687][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.722687][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.722687][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.722687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4868.722687][ T903] [ 4868.724877][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4868.724877][ T903] netdev_get_by_index+0x5e/0x80 [ 4868.724877][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4868.724877][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4868.724877][ T903] ip6_route_add+0x1c/0x140 [ 4868.724877][ T903] addrconf_add_mroute+0x129/0x180 [ 4868.724877][ T903] addrconf_add_dev+0xe2/0x170 [ 4868.724877][ T903] inet6_addr_add+0x12f/0xa40 [ 4868.724877][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4868.724877][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.724877][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.724877][ T903] netlink_unicast+0x449/0x710 [ 4868.724877][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.724877][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.724877][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.724877][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.724877][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.724877][ T903] [ 4868.727878][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4868.727878][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4868.727878][ T903] ipv6_find_idev+0x102/0x170 [ 4868.727878][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4868.727878][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.727878][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.727878][ T903] netlink_unicast+0x449/0x710 [ 4868.727878][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.727878][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.727878][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.727878][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.727878][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.727878][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4868.727878][ T903] [ 4868.730620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4868.730620][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4868.730620][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4868.730620][ T903] ipv6_find_idev+0x102/0x170 [ 4868.730620][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4868.730620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4868.730620][ T903] netlink_rcv_skb+0x130/0x360 [ 4868.730620][ T903] netlink_unicast+0x449/0x710 [ 4868.730620][ T903] netlink_sendmsg+0x723/0xbe0 [ 4868.730620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4868.730620][ T903] ___sys_sendmsg+0xee/0x170 [ 4868.730620][ T903] __sys_sendmsg+0xcd/0x170 [ 4868.730620][ T903] do_syscall_64+0xc6/0x1e0 [ 4868.730620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4868.730620][ T903] [ 4878.981810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4878.982345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4878.982345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4878.982345][ T903] ip6_validate_gw+0x3eb/0x790 [ 4878.982345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4878.982345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4878.982345][ T903] ip6_route_add+0x1c/0x140 [ 4878.982345][ T903] inet6_rtm_newroute+0x104/0x110 [ 4878.982345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.982345][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.982345][ T903] netlink_unicast+0x449/0x710 [ 4878.982345][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.982345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.982345][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.982345][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.982345][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.982345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4878.982345][ T903] [ 4878.984474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4878.984474][ T903] netdev_get_by_index+0x5e/0x80 [ 4878.984474][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4878.984474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4878.984474][ T903] ip6_route_add+0x1c/0x140 [ 4878.984474][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4878.984474][ T903] inet6_addr_add+0x4f8/0xa40 [ 4878.984474][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4878.984474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.984474][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.984474][ T903] netlink_unicast+0x449/0x710 [ 4878.984474][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.984474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.984474][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.984474][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.984474][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.984474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4878.984474][ T903] [ 4878.986725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4878.986725][ T903] netdev_get_by_index+0x5e/0x80 [ 4878.986725][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4878.986725][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4878.986725][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4878.986725][ T903] ipv6_add_addr+0x411/0x2000 [ 4878.986725][ T903] inet6_addr_add+0x30e/0xa40 [ 4878.986725][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4878.986725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.986725][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.986725][ T903] netlink_unicast+0x449/0x710 [ 4878.986725][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.986725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.986725][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.986725][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.986725][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.986725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4878.986725][ T903] [ 4878.988921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4878.988921][ T903] netdev_get_by_index+0x5e/0x80 [ 4878.988921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4878.988921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4878.988921][ T903] ip6_route_add+0x1c/0x140 [ 4878.988921][ T903] addrconf_add_mroute+0x129/0x180 [ 4878.988921][ T903] addrconf_add_dev+0xe2/0x170 [ 4878.988921][ T903] inet6_addr_add+0x12f/0xa40 [ 4878.988921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4878.988921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.988921][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.988921][ T903] netlink_unicast+0x449/0x710 [ 4878.988921][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.988921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.988921][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.988921][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.988921][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.988921][ T903] [ 4878.991088][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4878.991088][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4878.991088][ T903] ipv6_find_idev+0x102/0x170 [ 4878.991088][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4878.991088][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.991088][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.991088][ T903] netlink_unicast+0x449/0x710 [ 4878.991088][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.991088][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.991088][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.991088][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.991088][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.991088][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4878.991088][ T903] [ 4878.992778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4878.992778][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4878.992778][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4878.992778][ T903] ipv6_find_idev+0x102/0x170 [ 4878.992778][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4878.992778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4878.992778][ T903] netlink_rcv_skb+0x130/0x360 [ 4878.992778][ T903] netlink_unicast+0x449/0x710 [ 4878.992778][ T903] netlink_sendmsg+0x723/0xbe0 [ 4878.992778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4878.992778][ T903] ___sys_sendmsg+0xee/0x170 [ 4878.992778][ T903] __sys_sendmsg+0xcd/0x170 [ 4878.992778][ T903] do_syscall_64+0xc6/0x1e0 [ 4878.992778][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4878.992778][ T903] [ 4889.117878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4889.118320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4889.118320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4889.118320][ T903] ip6_validate_gw+0x3eb/0x790 [ 4889.118320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4889.118320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4889.118320][ T903] ip6_route_add+0x1c/0x140 [ 4889.118320][ T903] inet6_rtm_newroute+0x104/0x110 [ 4889.118320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.118320][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.118320][ T903] netlink_unicast+0x449/0x710 [ 4889.118320][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.118320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.118320][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.118320][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.118320][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.118320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.118320][ T903] [ 4889.120417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4889.120417][ T903] netdev_get_by_index+0x5e/0x80 [ 4889.120417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4889.120417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4889.120417][ T903] ip6_route_add+0x1c/0x140 [ 4889.120417][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4889.120417][ T903] inet6_addr_add+0x4f8/0xa40 [ 4889.120417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.120417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.120417][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.120417][ T903] netlink_unicast+0x449/0x710 [ 4889.120417][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.120417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.120417][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.120417][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.120417][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.120417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.120417][ T903] [ 4889.122594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4889.122594][ T903] netdev_get_by_index+0x5e/0x80 [ 4889.122594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4889.122594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4889.122594][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4889.122594][ T903] ipv6_add_addr+0x411/0x2000 [ 4889.122594][ T903] inet6_addr_add+0x30e/0xa40 [ 4889.122594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.122594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.122594][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.122594][ T903] netlink_unicast+0x449/0x710 [ 4889.122594][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.122594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.122594][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.122594][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.122594][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.122594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.122594][ T903] [ 4889.124778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4889.124778][ T903] netdev_get_by_index+0x5e/0x80 [ 4889.124778][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4889.124778][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4889.124778][ T903] ip6_route_add+0x1c/0x140 [ 4889.124778][ T903] addrconf_add_mroute+0x129/0x180 [ 4889.124778][ T903] addrconf_add_dev+0xe2/0x170 [ 4889.124778][ T903] inet6_addr_add+0x12f/0xa40 [ 4889.124778][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4889.124778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.124778][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.124778][ T903] netlink_unicast+0x449/0x710 [ 4889.124778][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.124778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.124778][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.124778][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.124778][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.124778][ T903] [ 4889.126921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4889.126921][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4889.126921][ T903] ipv6_find_idev+0x102/0x170 [ 4889.126921][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.126921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.126921][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.126921][ T903] netlink_unicast+0x449/0x710 [ 4889.126921][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.126921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.126921][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.126921][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.126921][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.126921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.126921][ T903] [ 4889.128600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4889.128600][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4889.128600][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4889.128600][ T903] ipv6_find_idev+0x102/0x170 [ 4889.128600][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4889.128600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4889.128600][ T903] netlink_rcv_skb+0x130/0x360 [ 4889.128600][ T903] netlink_unicast+0x449/0x710 [ 4889.128600][ T903] netlink_sendmsg+0x723/0xbe0 [ 4889.128600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4889.128600][ T903] ___sys_sendmsg+0xee/0x170 [ 4889.128600][ T903] __sys_sendmsg+0xcd/0x170 [ 4889.128600][ T903] do_syscall_64+0xc6/0x1e0 [ 4889.128600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4889.128600][ T903] [ 4899.205844][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4899.206340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4899.206340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4899.206340][ T903] ip6_validate_gw+0x3eb/0x790 [ 4899.206340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4899.206340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4899.206340][ T903] ip6_route_add+0x1c/0x140 [ 4899.206340][ T903] inet6_rtm_newroute+0x104/0x110 [ 4899.206340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.206340][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.206340][ T903] netlink_unicast+0x449/0x710 [ 4899.206340][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.206340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.206340][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.206340][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.206340][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.206340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4899.206340][ T903] [ 4899.208470][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4899.208470][ T903] netdev_get_by_index+0x5e/0x80 [ 4899.208470][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4899.208470][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4899.208470][ T903] ip6_route_add+0x1c/0x140 [ 4899.208470][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4899.208470][ T903] inet6_addr_add+0x4f8/0xa40 [ 4899.208470][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4899.208470][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.208470][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.208470][ T903] netlink_unicast+0x449/0x710 [ 4899.208470][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.208470][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.208470][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.208470][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.208470][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.208470][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4899.208470][ T903] [ 4899.210679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4899.210679][ T903] netdev_get_by_index+0x5e/0x80 [ 4899.210679][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4899.210679][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4899.210679][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4899.210679][ T903] ipv6_add_addr+0x411/0x2000 [ 4899.210679][ T903] inet6_addr_add+0x30e/0xa40 [ 4899.210679][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4899.210679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.210679][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.210679][ T903] netlink_unicast+0x449/0x710 [ 4899.210679][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.210679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.210679][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.210679][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.210679][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.210679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4899.210679][ T903] [ 4899.212930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4899.212930][ T903] netdev_get_by_index+0x5e/0x80 [ 4899.212930][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4899.212930][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4899.212930][ T903] ip6_route_add+0x1c/0x140 [ 4899.212930][ T903] addrconf_add_mroute+0x129/0x180 [ 4899.212930][ T903] addrconf_add_dev+0xe2/0x170 [ 4899.212930][ T903] inet6_addr_add+0x12f/0xa40 [ 4899.212930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4899.212930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.212930][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.212930][ T903] netlink_unicast+0x449/0x710 [ 4899.212930][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.212930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.212930][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.212930][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.212930][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.212930][ T903] [ 4899.215949][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4899.215949][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4899.215949][ T903] ipv6_find_idev+0x102/0x170 [ 4899.215949][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4899.215949][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.215949][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.215949][ T903] netlink_unicast+0x449/0x710 [ 4899.215949][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.215949][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.215949][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.215949][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.215949][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.215949][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4899.215949][ T903] [ 4899.218687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4899.218687][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4899.218687][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4899.218687][ T903] ipv6_find_idev+0x102/0x170 [ 4899.218687][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4899.218687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4899.218687][ T903] netlink_rcv_skb+0x130/0x360 [ 4899.218687][ T903] netlink_unicast+0x449/0x710 [ 4899.218687][ T903] netlink_sendmsg+0x723/0xbe0 [ 4899.218687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4899.218687][ T903] ___sys_sendmsg+0xee/0x170 [ 4899.218687][ T903] __sys_sendmsg+0xcd/0x170 [ 4899.218687][ T903] do_syscall_64+0xc6/0x1e0 [ 4899.218687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4899.218687][ T903] [ 4909.461794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4909.462320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4909.462320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4909.462320][ T903] ip6_validate_gw+0x3eb/0x790 [ 4909.462320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4909.462320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4909.462320][ T903] ip6_route_add+0x1c/0x140 [ 4909.462320][ T903] inet6_rtm_newroute+0x104/0x110 [ 4909.462320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.462320][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.462320][ T903] netlink_unicast+0x449/0x710 [ 4909.462320][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.462320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.462320][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.462320][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.462320][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.462320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4909.462320][ T903] [ 4909.464455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4909.464455][ T903] netdev_get_by_index+0x5e/0x80 [ 4909.464455][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4909.464455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4909.464455][ T903] ip6_route_add+0x1c/0x140 [ 4909.464455][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4909.464455][ T903] inet6_addr_add+0x4f8/0xa40 [ 4909.464455][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4909.464455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.464455][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.464455][ T903] netlink_unicast+0x449/0x710 [ 4909.464455][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.464455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.464455][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.464455][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.464455][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.464455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4909.464455][ T903] [ 4909.466685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4909.466685][ T903] netdev_get_by_index+0x5e/0x80 [ 4909.466685][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4909.466685][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4909.466685][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4909.466685][ T903] ipv6_add_addr+0x411/0x2000 [ 4909.466685][ T903] inet6_addr_add+0x30e/0xa40 [ 4909.466685][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4909.466685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.466685][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.466685][ T903] netlink_unicast+0x449/0x710 [ 4909.466685][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.466685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.466685][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.466685][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.466685][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.466685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4909.466685][ T903] [ 4909.468895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4909.468895][ T903] netdev_get_by_index+0x5e/0x80 [ 4909.468895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4909.468895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4909.468895][ T903] ip6_route_add+0x1c/0x140 [ 4909.468895][ T903] addrconf_add_mroute+0x129/0x180 [ 4909.468895][ T903] addrconf_add_dev+0xe2/0x170 [ 4909.468895][ T903] inet6_addr_add+0x12f/0xa40 [ 4909.468895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4909.468895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.468895][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.468895][ T903] netlink_unicast+0x449/0x710 [ 4909.468895][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.468895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.468895][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.468895][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.468895][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.468895][ T903] [ 4909.471069][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4909.471069][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4909.471069][ T903] ipv6_find_idev+0x102/0x170 [ 4909.471069][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4909.471069][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.471069][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.471069][ T903] netlink_unicast+0x449/0x710 [ 4909.471069][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.471069][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.471069][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.471069][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.471069][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.471069][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4909.471069][ T903] [ 4909.472783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4909.472783][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4909.472783][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4909.472783][ T903] ipv6_find_idev+0x102/0x170 [ 4909.472783][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4909.472783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4909.472783][ T903] netlink_rcv_skb+0x130/0x360 [ 4909.472783][ T903] netlink_unicast+0x449/0x710 [ 4909.472783][ T903] netlink_sendmsg+0x723/0xbe0 [ 4909.472783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4909.472783][ T903] ___sys_sendmsg+0xee/0x170 [ 4909.472783][ T903] __sys_sendmsg+0xcd/0x170 [ 4909.472783][ T903] do_syscall_64+0xc6/0x1e0 [ 4909.472783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4909.472783][ T903] [ 4919.693841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4919.694344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4919.694344][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4919.694344][ T903] ip6_validate_gw+0x3eb/0x790 [ 4919.694344][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4919.694344][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4919.694344][ T903] ip6_route_add+0x1c/0x140 [ 4919.694344][ T903] inet6_rtm_newroute+0x104/0x110 [ 4919.694344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.694344][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.694344][ T903] netlink_unicast+0x449/0x710 [ 4919.694344][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.694344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.694344][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.694344][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.694344][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.694344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4919.694344][ T903] [ 4919.696447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4919.696447][ T903] netdev_get_by_index+0x5e/0x80 [ 4919.696447][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4919.696447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4919.696447][ T903] ip6_route_add+0x1c/0x140 [ 4919.696447][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4919.696447][ T903] inet6_addr_add+0x4f8/0xa40 [ 4919.696447][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4919.696447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.696447][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.696447][ T903] netlink_unicast+0x449/0x710 [ 4919.696447][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.696447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.696447][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.696447][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.696447][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.696447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4919.696447][ T903] [ 4919.698640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4919.698640][ T903] netdev_get_by_index+0x5e/0x80 [ 4919.698640][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4919.698640][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4919.698640][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4919.698640][ T903] ipv6_add_addr+0x411/0x2000 [ 4919.698640][ T903] inet6_addr_add+0x30e/0xa40 [ 4919.698640][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4919.698640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.698640][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.698640][ T903] netlink_unicast+0x449/0x710 [ 4919.698640][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.698640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.698640][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.698640][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.698640][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.698640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4919.698640][ T903] [ 4919.700859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4919.700859][ T903] netdev_get_by_index+0x5e/0x80 [ 4919.700859][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4919.700859][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4919.700859][ T903] ip6_route_add+0x1c/0x140 [ 4919.700859][ T903] addrconf_add_mroute+0x129/0x180 [ 4919.700859][ T903] addrconf_add_dev+0xe2/0x170 [ 4919.700859][ T903] inet6_addr_add+0x12f/0xa40 [ 4919.700859][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4919.700859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.700859][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.700859][ T903] netlink_unicast+0x449/0x710 [ 4919.700859][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.700859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.700859][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.700859][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.700859][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.700859][ T903] [ 4919.703019][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4919.703019][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4919.703019][ T903] ipv6_find_idev+0x102/0x170 [ 4919.703019][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4919.703019][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.703019][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.703019][ T903] netlink_unicast+0x449/0x710 [ 4919.703019][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.703019][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.703019][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.703019][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.703019][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.703019][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4919.703019][ T903] [ 4919.704703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4919.704703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4919.704703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4919.704703][ T903] ipv6_find_idev+0x102/0x170 [ 4919.704703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4919.704703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4919.704703][ T903] netlink_rcv_skb+0x130/0x360 [ 4919.704703][ T903] netlink_unicast+0x449/0x710 [ 4919.704703][ T903] netlink_sendmsg+0x723/0xbe0 [ 4919.704703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4919.704703][ T903] ___sys_sendmsg+0xee/0x170 [ 4919.704703][ T903] __sys_sendmsg+0xcd/0x170 [ 4919.704703][ T903] do_syscall_64+0xc6/0x1e0 [ 4919.704703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4919.704703][ T903] [ 4929.941858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4929.942386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4929.942386][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4929.942386][ T903] ip6_validate_gw+0x3eb/0x790 [ 4929.942386][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4929.942386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4929.942386][ T903] ip6_route_add+0x1c/0x140 [ 4929.942386][ T903] inet6_rtm_newroute+0x104/0x110 [ 4929.942386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.942386][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.942386][ T903] netlink_unicast+0x449/0x710 [ 4929.942386][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.942386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.942386][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.942386][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.942386][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.942386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4929.942386][ T903] [ 4929.944456][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4929.944456][ T903] netdev_get_by_index+0x5e/0x80 [ 4929.944456][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4929.944456][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4929.944456][ T903] ip6_route_add+0x1c/0x140 [ 4929.944456][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4929.944456][ T903] inet6_addr_add+0x4f8/0xa40 [ 4929.944456][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4929.944456][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.944456][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.944456][ T903] netlink_unicast+0x449/0x710 [ 4929.944456][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.944456][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.944456][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.944456][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.944456][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.944456][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4929.944456][ T903] [ 4929.946603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4929.946603][ T903] netdev_get_by_index+0x5e/0x80 [ 4929.946603][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4929.946603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4929.946603][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4929.946603][ T903] ipv6_add_addr+0x411/0x2000 [ 4929.946603][ T903] inet6_addr_add+0x30e/0xa40 [ 4929.946603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4929.946603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.946603][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.946603][ T903] netlink_unicast+0x449/0x710 [ 4929.946603][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.946603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.946603][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.946603][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.946603][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.946603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4929.946603][ T903] [ 4929.948737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4929.948737][ T903] netdev_get_by_index+0x5e/0x80 [ 4929.948737][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4929.948737][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4929.948737][ T903] ip6_route_add+0x1c/0x140 [ 4929.948737][ T903] addrconf_add_mroute+0x129/0x180 [ 4929.948737][ T903] addrconf_add_dev+0xe2/0x170 [ 4929.948737][ T903] inet6_addr_add+0x12f/0xa40 [ 4929.948737][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4929.948737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.948737][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.948737][ T903] netlink_unicast+0x449/0x710 [ 4929.948737][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.948737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.948737][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.948737][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.948737][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.948737][ T903] [ 4929.950956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4929.950956][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4929.950956][ T903] ipv6_find_idev+0x102/0x170 [ 4929.950956][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4929.950956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.950956][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.950956][ T903] netlink_unicast+0x449/0x710 [ 4929.950956][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.950956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.950956][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.950956][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.950956][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.950956][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4929.950956][ T903] [ 4929.952634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4929.952634][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4929.952634][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4929.952634][ T903] ipv6_find_idev+0x102/0x170 [ 4929.952634][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4929.952634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4929.952634][ T903] netlink_rcv_skb+0x130/0x360 [ 4929.952634][ T903] netlink_unicast+0x449/0x710 [ 4929.952634][ T903] netlink_sendmsg+0x723/0xbe0 [ 4929.952634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4929.952634][ T903] ___sys_sendmsg+0xee/0x170 [ 4929.952634][ T903] __sys_sendmsg+0xcd/0x170 [ 4929.952634][ T903] do_syscall_64+0xc6/0x1e0 [ 4929.952634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4929.952634][ T903] [ 4940.189745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4940.190216][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4940.190216][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4940.190216][ T903] ip6_validate_gw+0x3eb/0x790 [ 4940.190216][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4940.190216][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4940.190216][ T903] ip6_route_add+0x1c/0x140 [ 4940.190216][ T903] inet6_rtm_newroute+0x104/0x110 [ 4940.190216][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.190216][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.190216][ T903] netlink_unicast+0x449/0x710 [ 4940.190216][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.190216][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.190216][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.190216][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.190216][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.190216][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.190216][ T903] [ 4940.192486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4940.192486][ T903] netdev_get_by_index+0x5e/0x80 [ 4940.192486][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4940.192486][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4940.192486][ T903] ip6_route_add+0x1c/0x140 [ 4940.192486][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4940.192486][ T903] inet6_addr_add+0x4f8/0xa40 [ 4940.192486][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.192486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.192486][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.192486][ T903] netlink_unicast+0x449/0x710 [ 4940.192486][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.192486][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.192486][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.192486][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.192486][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.192486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.192486][ T903] [ 4940.195989][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4940.195989][ T903] netdev_get_by_index+0x5e/0x80 [ 4940.195989][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4940.195989][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4940.195989][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4940.195989][ T903] ipv6_add_addr+0x411/0x2000 [ 4940.195989][ T903] inet6_addr_add+0x30e/0xa40 [ 4940.195989][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.195989][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.195989][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.195989][ T903] netlink_unicast+0x449/0x710 [ 4940.195989][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.195989][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.195989][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.195989][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.195989][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.195989][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.195989][ T903] [ 4940.199810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4940.199810][ T903] netdev_get_by_index+0x5e/0x80 [ 4940.199810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4940.199810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4940.199810][ T903] ip6_route_add+0x1c/0x140 [ 4940.199810][ T903] addrconf_add_mroute+0x129/0x180 [ 4940.199810][ T903] addrconf_add_dev+0xe2/0x170 [ 4940.199810][ T903] inet6_addr_add+0x12f/0xa40 [ 4940.199810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4940.199810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.199810][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.199810][ T903] netlink_unicast+0x449/0x710 [ 4940.199810][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.199810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.199810][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.199810][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.199810][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.199810][ T903] [ 4940.203225][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4940.203225][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4940.203225][ T903] ipv6_find_idev+0x102/0x170 [ 4940.203225][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4940.203225][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.203225][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.203225][ T903] netlink_unicast+0x449/0x710 [ 4940.203225][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.203225][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.203225][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.203225][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.203225][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.203225][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.203225][ T903] [ 4940.205915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4940.205915][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4940.205915][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4940.205915][ T903] ipv6_find_idev+0x102/0x170 [ 4940.205915][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4940.205915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4940.205915][ T903] netlink_rcv_skb+0x130/0x360 [ 4940.205915][ T903] netlink_unicast+0x449/0x710 [ 4940.205915][ T903] netlink_sendmsg+0x723/0xbe0 [ 4940.205915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4940.205915][ T903] ___sys_sendmsg+0xee/0x170 [ 4940.205915][ T903] __sys_sendmsg+0xcd/0x170 [ 4940.205915][ T903] do_syscall_64+0xc6/0x1e0 [ 4940.205915][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4940.205915][ T903] [ 4950.461793][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4950.462307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4950.462307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4950.462307][ T903] ip6_validate_gw+0x3eb/0x790 [ 4950.462307][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4950.462307][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4950.462307][ T903] ip6_route_add+0x1c/0x140 [ 4950.462307][ T903] inet6_rtm_newroute+0x104/0x110 [ 4950.462307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.462307][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.462307][ T903] netlink_unicast+0x449/0x710 [ 4950.462307][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.462307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.462307][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.462307][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.462307][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.462307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4950.462307][ T903] [ 4950.464400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4950.464400][ T903] netdev_get_by_index+0x5e/0x80 [ 4950.464400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4950.464400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4950.464400][ T903] ip6_route_add+0x1c/0x140 [ 4950.464400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4950.464400][ T903] inet6_addr_add+0x4f8/0xa40 [ 4950.464400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4950.464400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.464400][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.464400][ T903] netlink_unicast+0x449/0x710 [ 4950.464400][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.464400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.464400][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.464400][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.464400][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.464400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4950.464400][ T903] [ 4950.466594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4950.466594][ T903] netdev_get_by_index+0x5e/0x80 [ 4950.466594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4950.466594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4950.466594][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4950.466594][ T903] ipv6_add_addr+0x411/0x2000 [ 4950.466594][ T903] inet6_addr_add+0x30e/0xa40 [ 4950.466594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4950.466594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.466594][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.466594][ T903] netlink_unicast+0x449/0x710 [ 4950.466594][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.466594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.466594][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.466594][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.466594][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.466594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4950.466594][ T903] [ 4950.468779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4950.468779][ T903] netdev_get_by_index+0x5e/0x80 [ 4950.468779][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4950.468779][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4950.468779][ T903] ip6_route_add+0x1c/0x140 [ 4950.468779][ T903] addrconf_add_mroute+0x129/0x180 [ 4950.468779][ T903] addrconf_add_dev+0xe2/0x170 [ 4950.468779][ T903] inet6_addr_add+0x12f/0xa40 [ 4950.468779][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4950.468779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.468779][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.468779][ T903] netlink_unicast+0x449/0x710 [ 4950.468779][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.468779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.468779][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.468779][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.468779][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.468779][ T903] [ 4950.470953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4950.470953][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4950.470953][ T903] ipv6_find_idev+0x102/0x170 [ 4950.470953][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4950.470953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.470953][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.470953][ T903] netlink_unicast+0x449/0x710 [ 4950.470953][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.470953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.470953][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.470953][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.470953][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.470953][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4950.470953][ T903] [ 4950.472637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4950.472637][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4950.472637][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4950.472637][ T903] ipv6_find_idev+0x102/0x170 [ 4950.472637][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4950.472637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4950.472637][ T903] netlink_rcv_skb+0x130/0x360 [ 4950.472637][ T903] netlink_unicast+0x449/0x710 [ 4950.472637][ T903] netlink_sendmsg+0x723/0xbe0 [ 4950.472637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4950.472637][ T903] ___sys_sendmsg+0xee/0x170 [ 4950.472637][ T903] __sys_sendmsg+0xcd/0x170 [ 4950.472637][ T903] do_syscall_64+0xc6/0x1e0 [ 4950.472637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4950.472637][ T903] [ 4960.709808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4960.710302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4960.710302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4960.710302][ T903] ip6_validate_gw+0x3eb/0x790 [ 4960.710302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4960.710302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4960.710302][ T903] ip6_route_add+0x1c/0x140 [ 4960.710302][ T903] inet6_rtm_newroute+0x104/0x110 [ 4960.710302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.710302][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.710302][ T903] netlink_unicast+0x449/0x710 [ 4960.710302][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.710302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.710302][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.710302][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.710302][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.710302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4960.710302][ T903] [ 4960.712394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4960.712394][ T903] netdev_get_by_index+0x5e/0x80 [ 4960.712394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4960.712394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4960.712394][ T903] ip6_route_add+0x1c/0x140 [ 4960.712394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4960.712394][ T903] inet6_addr_add+0x4f8/0xa40 [ 4960.712394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4960.712394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.712394][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.712394][ T903] netlink_unicast+0x449/0x710 [ 4960.712394][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.712394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.712394][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.712394][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.712394][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.712394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4960.712394][ T903] [ 4960.714977][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4960.714977][ T903] netdev_get_by_index+0x5e/0x80 [ 4960.714977][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4960.714977][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4960.714977][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4960.714977][ T903] ipv6_add_addr+0x411/0x2000 [ 4960.714977][ T903] inet6_addr_add+0x30e/0xa40 [ 4960.714977][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4960.714977][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.714977][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.714977][ T903] netlink_unicast+0x449/0x710 [ 4960.714977][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.714977][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.714977][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.714977][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.714977][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.714977][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4960.714977][ T903] [ 4960.717166][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4960.717166][ T903] netdev_get_by_index+0x5e/0x80 [ 4960.717166][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4960.717166][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4960.717166][ T903] ip6_route_add+0x1c/0x140 [ 4960.717166][ T903] addrconf_add_mroute+0x129/0x180 [ 4960.717166][ T903] addrconf_add_dev+0xe2/0x170 [ 4960.717166][ T903] inet6_addr_add+0x12f/0xa40 [ 4960.717166][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4960.717166][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.717166][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.717166][ T903] netlink_unicast+0x449/0x710 [ 4960.717166][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.717166][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.717166][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.717166][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.717166][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.717166][ T903] [ 4960.719327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4960.719327][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4960.719327][ T903] ipv6_find_idev+0x102/0x170 [ 4960.719327][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4960.719327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.719327][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.719327][ T903] netlink_unicast+0x449/0x710 [ 4960.719327][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.719327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.719327][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.719327][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.719327][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.719327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4960.719327][ T903] [ 4960.721011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4960.721011][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4960.721011][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4960.721011][ T903] ipv6_find_idev+0x102/0x170 [ 4960.721011][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4960.721011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4960.721011][ T903] netlink_rcv_skb+0x130/0x360 [ 4960.721011][ T903] netlink_unicast+0x449/0x710 [ 4960.721011][ T903] netlink_sendmsg+0x723/0xbe0 [ 4960.721011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4960.721011][ T903] ___sys_sendmsg+0xee/0x170 [ 4960.721011][ T903] __sys_sendmsg+0xcd/0x170 [ 4960.721011][ T903] do_syscall_64+0xc6/0x1e0 [ 4960.721011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4960.721011][ T903] [ 4970.965811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4970.966303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4970.966303][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4970.966303][ T903] ip6_validate_gw+0x3eb/0x790 [ 4970.966303][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4970.966303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4970.966303][ T903] ip6_route_add+0x1c/0x140 [ 4970.966303][ T903] inet6_rtm_newroute+0x104/0x110 [ 4970.966303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.966303][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.966303][ T903] netlink_unicast+0x449/0x710 [ 4970.966303][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.966303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.966303][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.966303][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.966303][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.966303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.966303][ T903] [ 4970.968400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4970.968400][ T903] netdev_get_by_index+0x5e/0x80 [ 4970.968400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4970.968400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4970.968400][ T903] ip6_route_add+0x1c/0x140 [ 4970.968400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4970.968400][ T903] inet6_addr_add+0x4f8/0xa40 [ 4970.968400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.968400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.968400][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.968400][ T903] netlink_unicast+0x449/0x710 [ 4970.968400][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.968400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.968400][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.968400][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.968400][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.968400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.968400][ T903] [ 4970.970607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4970.970607][ T903] netdev_get_by_index+0x5e/0x80 [ 4970.970607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4970.970607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4970.970607][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4970.970607][ T903] ipv6_add_addr+0x411/0x2000 [ 4970.970607][ T903] inet6_addr_add+0x30e/0xa40 [ 4970.970607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.970607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.970607][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.970607][ T903] netlink_unicast+0x449/0x710 [ 4970.970607][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.970607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.970607][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.970607][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.970607][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.970607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.970607][ T903] [ 4970.972796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4970.972796][ T903] netdev_get_by_index+0x5e/0x80 [ 4970.972796][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4970.972796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4970.972796][ T903] ip6_route_add+0x1c/0x140 [ 4970.972796][ T903] addrconf_add_mroute+0x129/0x180 [ 4970.972796][ T903] addrconf_add_dev+0xe2/0x170 [ 4970.972796][ T903] inet6_addr_add+0x12f/0xa40 [ 4970.972796][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4970.972796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.972796][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.972796][ T903] netlink_unicast+0x449/0x710 [ 4970.972796][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.972796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.972796][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.972796][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.972796][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.972796][ T903] [ 4970.974948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4970.974948][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4970.974948][ T903] ipv6_find_idev+0x102/0x170 [ 4970.974948][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4970.974948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.974948][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.974948][ T903] netlink_unicast+0x449/0x710 [ 4970.974948][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.974948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.974948][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.974948][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.974948][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.974948][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.974948][ T903] [ 4970.976637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4970.976637][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4970.976637][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4970.976637][ T903] ipv6_find_idev+0x102/0x170 [ 4970.976637][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4970.976637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4970.976637][ T903] netlink_rcv_skb+0x130/0x360 [ 4970.976637][ T903] netlink_unicast+0x449/0x710 [ 4970.976637][ T903] netlink_sendmsg+0x723/0xbe0 [ 4970.976637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4970.976637][ T903] ___sys_sendmsg+0xee/0x170 [ 4970.976637][ T903] __sys_sendmsg+0xcd/0x170 [ 4970.976637][ T903] do_syscall_64+0xc6/0x1e0 [ 4970.976637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4970.976637][ T903] [ 4981.141816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4981.142338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4981.142338][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4981.142338][ T903] ip6_validate_gw+0x3eb/0x790 [ 4981.142338][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4981.142338][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4981.142338][ T903] ip6_route_add+0x1c/0x140 [ 4981.142338][ T903] inet6_rtm_newroute+0x104/0x110 [ 4981.142338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.142338][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.142338][ T903] netlink_unicast+0x449/0x710 [ 4981.142338][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.142338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.142338][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.142338][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.142338][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.142338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.142338][ T903] [ 4981.144807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4981.144807][ T903] netdev_get_by_index+0x5e/0x80 [ 4981.144807][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4981.144807][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4981.144807][ T903] ip6_route_add+0x1c/0x140 [ 4981.144807][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4981.144807][ T903] inet6_addr_add+0x4f8/0xa40 [ 4981.144807][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.144807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.144807][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.144807][ T903] netlink_unicast+0x449/0x710 [ 4981.144807][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.144807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.144807][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.144807][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.144807][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.144807][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.144807][ T903] [ 4981.147014][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4981.147014][ T903] netdev_get_by_index+0x5e/0x80 [ 4981.147014][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4981.147014][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4981.147014][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4981.147014][ T903] ipv6_add_addr+0x411/0x2000 [ 4981.147014][ T903] inet6_addr_add+0x30e/0xa40 [ 4981.147014][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.147014][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.147014][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.147014][ T903] netlink_unicast+0x449/0x710 [ 4981.147014][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.147014][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.147014][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.147014][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.147014][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.147014][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.147014][ T903] [ 4981.149208][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4981.149208][ T903] netdev_get_by_index+0x5e/0x80 [ 4981.149208][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4981.149208][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4981.149208][ T903] ip6_route_add+0x1c/0x140 [ 4981.149208][ T903] addrconf_add_mroute+0x129/0x180 [ 4981.149208][ T903] addrconf_add_dev+0xe2/0x170 [ 4981.149208][ T903] inet6_addr_add+0x12f/0xa40 [ 4981.149208][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4981.149208][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.149208][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.149208][ T903] netlink_unicast+0x449/0x710 [ 4981.149208][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.149208][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.149208][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.149208][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.149208][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.149208][ T903] [ 4981.151365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4981.151365][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4981.151365][ T903] ipv6_find_idev+0x102/0x170 [ 4981.151365][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.151365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.151365][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.151365][ T903] netlink_unicast+0x449/0x710 [ 4981.151365][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.151365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.151365][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.151365][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.151365][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.151365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.151365][ T903] [ 4981.153050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4981.153050][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4981.153050][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4981.153050][ T903] ipv6_find_idev+0x102/0x170 [ 4981.153050][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4981.153050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4981.153050][ T903] netlink_rcv_skb+0x130/0x360 [ 4981.153050][ T903] netlink_unicast+0x449/0x710 [ 4981.153050][ T903] netlink_sendmsg+0x723/0xbe0 [ 4981.153050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4981.153050][ T903] ___sys_sendmsg+0xee/0x170 [ 4981.153050][ T903] __sys_sendmsg+0xcd/0x170 [ 4981.153050][ T903] do_syscall_64+0xc6/0x1e0 [ 4981.153050][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4981.153050][ T903] [ 4991.405819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4991.406322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 4991.406322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 4991.406322][ T903] ip6_validate_gw+0x3eb/0x790 [ 4991.406322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 4991.406322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4991.406322][ T903] ip6_route_add+0x1c/0x140 [ 4991.406322][ T903] inet6_rtm_newroute+0x104/0x110 [ 4991.406322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.406322][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.406322][ T903] netlink_unicast+0x449/0x710 [ 4991.406322][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.406322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.406322][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.406322][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.406322][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.406322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4991.406322][ T903] [ 4991.408422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4991.408422][ T903] netdev_get_by_index+0x5e/0x80 [ 4991.408422][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4991.408422][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4991.408422][ T903] ip6_route_add+0x1c/0x140 [ 4991.408422][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 4991.408422][ T903] inet6_addr_add+0x4f8/0xa40 [ 4991.408422][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4991.408422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.408422][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.408422][ T903] netlink_unicast+0x449/0x710 [ 4991.408422][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.408422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.408422][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.408422][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.408422][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.408422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4991.408422][ T903] [ 4991.410631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4991.410631][ T903] netdev_get_by_index+0x5e/0x80 [ 4991.410631][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4991.410631][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4991.410631][ T903] addrconf_f6i_alloc+0x244/0x410 [ 4991.410631][ T903] ipv6_add_addr+0x411/0x2000 [ 4991.410631][ T903] inet6_addr_add+0x30e/0xa40 [ 4991.410631][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4991.410631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.410631][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.410631][ T903] netlink_unicast+0x449/0x710 [ 4991.410631][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.410631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.410631][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.410631][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.410631][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.410631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4991.410631][ T903] [ 4991.412820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4991.412820][ T903] netdev_get_by_index+0x5e/0x80 [ 4991.412820][ T903] fib6_nh_init+0x3d8/0x15b0 [ 4991.412820][ T903] ip6_route_info_create+0xf18/0x17d0 [ 4991.412820][ T903] ip6_route_add+0x1c/0x140 [ 4991.412820][ T903] addrconf_add_mroute+0x129/0x180 [ 4991.412820][ T903] addrconf_add_dev+0xe2/0x170 [ 4991.412820][ T903] inet6_addr_add+0x12f/0xa40 [ 4991.412820][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 4991.412820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.412820][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.412820][ T903] netlink_unicast+0x449/0x710 [ 4991.412820][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.412820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.412820][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.412820][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.412820][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.412820][ T903] [ 4991.414972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4991.414972][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 4991.414972][ T903] ipv6_find_idev+0x102/0x170 [ 4991.414972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4991.414972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.414972][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.414972][ T903] netlink_unicast+0x449/0x710 [ 4991.414972][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.414972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.414972][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.414972][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.414972][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.414972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4991.414972][ T903] [ 4991.416658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 4991.416658][ T903] neigh_parms_alloc+0x1e5/0x510 [ 4991.416658][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 4991.416658][ T903] ipv6_find_idev+0x102/0x170 [ 4991.416658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 4991.416658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4991.416658][ T903] netlink_rcv_skb+0x130/0x360 [ 4991.416658][ T903] netlink_unicast+0x449/0x710 [ 4991.416658][ T903] netlink_sendmsg+0x723/0xbe0 [ 4991.416658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 4991.416658][ T903] ___sys_sendmsg+0xee/0x170 [ 4991.416658][ T903] __sys_sendmsg+0xcd/0x170 [ 4991.416658][ T903] do_syscall_64+0xc6/0x1e0 [ 4991.416658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4991.416658][ T903] [ 5001.669792][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5001.670356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5001.670356][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5001.670356][ T903] ip6_validate_gw+0x3eb/0x790 [ 5001.670356][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5001.670356][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5001.670356][ T903] ip6_route_add+0x1c/0x140 [ 5001.670356][ T903] inet6_rtm_newroute+0x104/0x110 [ 5001.670356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.670356][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.670356][ T903] netlink_unicast+0x449/0x710 [ 5001.670356][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.670356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.670356][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.670356][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.670356][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.670356][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5001.670356][ T903] [ 5001.673779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5001.673779][ T903] netdev_get_by_index+0x5e/0x80 [ 5001.673779][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5001.673779][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5001.673779][ T903] ip6_route_add+0x1c/0x140 [ 5001.673779][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5001.673779][ T903] inet6_addr_add+0x4f8/0xa40 [ 5001.673779][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5001.673779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.673779][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.673779][ T903] netlink_unicast+0x449/0x710 [ 5001.673779][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.673779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.673779][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.673779][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.673779][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.673779][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5001.673779][ T903] [ 5001.677400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5001.677400][ T903] netdev_get_by_index+0x5e/0x80 [ 5001.677400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5001.677400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5001.677400][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5001.677400][ T903] ipv6_add_addr+0x411/0x2000 [ 5001.677400][ T903] inet6_addr_add+0x30e/0xa40 [ 5001.677400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5001.677400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.677400][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.677400][ T903] netlink_unicast+0x449/0x710 [ 5001.677400][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.677400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.677400][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.677400][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.677400][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.677400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5001.677400][ T903] [ 5001.681042][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5001.681042][ T903] netdev_get_by_index+0x5e/0x80 [ 5001.681042][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5001.681042][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5001.681042][ T903] ip6_route_add+0x1c/0x140 [ 5001.681042][ T903] addrconf_add_mroute+0x129/0x180 [ 5001.681042][ T903] addrconf_add_dev+0xe2/0x170 [ 5001.681042][ T903] inet6_addr_add+0x12f/0xa40 [ 5001.681042][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5001.681042][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.681042][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.681042][ T903] netlink_unicast+0x449/0x710 [ 5001.681042][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.681042][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.681042][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.681042][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.681042][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.681042][ T903] [ 5001.684622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5001.684622][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5001.684622][ T903] ipv6_find_idev+0x102/0x170 [ 5001.684622][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5001.684622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.684622][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.684622][ T903] netlink_unicast+0x449/0x710 [ 5001.684622][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.684622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.684622][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.684622][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.684622][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.684622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5001.684622][ T903] [ 5001.687413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5001.687413][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5001.687413][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5001.687413][ T903] ipv6_find_idev+0x102/0x170 [ 5001.687413][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5001.687413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5001.687413][ T903] netlink_rcv_skb+0x130/0x360 [ 5001.687413][ T903] netlink_unicast+0x449/0x710 [ 5001.687413][ T903] netlink_sendmsg+0x723/0xbe0 [ 5001.687413][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5001.687413][ T903] ___sys_sendmsg+0xee/0x170 [ 5001.687413][ T903] __sys_sendmsg+0xcd/0x170 [ 5001.687413][ T903] do_syscall_64+0xc6/0x1e0 [ 5001.687413][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5001.687413][ T903] [ 5011.941804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5011.942426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5011.942426][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5011.942426][ T903] ip6_validate_gw+0x3eb/0x790 [ 5011.942426][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5011.942426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5011.942426][ T903] ip6_route_add+0x1c/0x140 [ 5011.942426][ T903] inet6_rtm_newroute+0x104/0x110 [ 5011.942426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.942426][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.942426][ T903] netlink_unicast+0x449/0x710 [ 5011.942426][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.942426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.942426][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.942426][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.942426][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.942426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5011.942426][ T903] [ 5011.945850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5011.945850][ T903] netdev_get_by_index+0x5e/0x80 [ 5011.945850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5011.945850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5011.945850][ T903] ip6_route_add+0x1c/0x140 [ 5011.945850][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5011.945850][ T903] inet6_addr_add+0x4f8/0xa40 [ 5011.945850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5011.945850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.945850][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.945850][ T903] netlink_unicast+0x449/0x710 [ 5011.945850][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.945850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.945850][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.945850][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.945850][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.945850][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5011.945850][ T903] [ 5011.949485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5011.949485][ T903] netdev_get_by_index+0x5e/0x80 [ 5011.949485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5011.949485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5011.949485][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5011.949485][ T903] ipv6_add_addr+0x411/0x2000 [ 5011.949485][ T903] inet6_addr_add+0x30e/0xa40 [ 5011.949485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5011.949485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.949485][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.949485][ T903] netlink_unicast+0x449/0x710 [ 5011.949485][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.949485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.949485][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.949485][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.949485][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.949485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5011.949485][ T903] [ 5011.953719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5011.953719][ T903] netdev_get_by_index+0x5e/0x80 [ 5011.953719][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5011.953719][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5011.953719][ T903] ip6_route_add+0x1c/0x140 [ 5011.953719][ T903] addrconf_add_mroute+0x129/0x180 [ 5011.953719][ T903] addrconf_add_dev+0xe2/0x170 [ 5011.953719][ T903] inet6_addr_add+0x12f/0xa40 [ 5011.953719][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5011.953719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.953719][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.953719][ T903] netlink_unicast+0x449/0x710 [ 5011.953719][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.953719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.953719][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.953719][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.953719][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.953719][ T903] [ 5011.957280][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5011.957280][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5011.957280][ T903] ipv6_find_idev+0x102/0x170 [ 5011.957280][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5011.957280][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.957280][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.957280][ T903] netlink_unicast+0x449/0x710 [ 5011.957280][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.957280][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.957280][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.957280][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.957280][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.957280][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5011.957280][ T903] [ 5011.960083][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5011.960083][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5011.960083][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5011.960083][ T903] ipv6_find_idev+0x102/0x170 [ 5011.960083][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5011.960083][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5011.960083][ T903] netlink_rcv_skb+0x130/0x360 [ 5011.960083][ T903] netlink_unicast+0x449/0x710 [ 5011.960083][ T903] netlink_sendmsg+0x723/0xbe0 [ 5011.960083][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5011.960083][ T903] ___sys_sendmsg+0xee/0x170 [ 5011.960083][ T903] __sys_sendmsg+0xcd/0x170 [ 5011.960083][ T903] do_syscall_64+0xc6/0x1e0 [ 5011.960083][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5011.960083][ T903] [ 5021.965945][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5021.966580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5021.966580][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5021.966580][ T903] ip6_validate_gw+0x3eb/0x790 [ 5021.966580][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5021.966580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5021.966580][ T903] ip6_route_add+0x1c/0x140 [ 5021.966580][ T903] inet6_rtm_newroute+0x104/0x110 [ 5021.966580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.966580][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.966580][ T903] netlink_unicast+0x449/0x710 [ 5021.966580][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.966580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.966580][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.966580][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.966580][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.966580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.966580][ T903] [ 5021.969988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5021.969988][ T903] netdev_get_by_index+0x5e/0x80 [ 5021.969988][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5021.969988][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5021.969988][ T903] ip6_route_add+0x1c/0x140 [ 5021.969988][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5021.969988][ T903] inet6_addr_add+0x4f8/0xa40 [ 5021.969988][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.969988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.969988][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.969988][ T903] netlink_unicast+0x449/0x710 [ 5021.969988][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.969988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.969988][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.969988][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.969988][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.969988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.969988][ T903] [ 5021.973617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5021.973617][ T903] netdev_get_by_index+0x5e/0x80 [ 5021.973617][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5021.973617][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5021.973617][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5021.973617][ T903] ipv6_add_addr+0x411/0x2000 [ 5021.973617][ T903] inet6_addr_add+0x30e/0xa40 [ 5021.973617][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.973617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.973617][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.973617][ T903] netlink_unicast+0x449/0x710 [ 5021.973617][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.973617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.973617][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.973617][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.973617][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.973617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.973617][ T903] [ 5021.977239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5021.977239][ T903] netdev_get_by_index+0x5e/0x80 [ 5021.977239][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5021.977239][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5021.977239][ T903] ip6_route_add+0x1c/0x140 [ 5021.977239][ T903] addrconf_add_mroute+0x129/0x180 [ 5021.977239][ T903] addrconf_add_dev+0xe2/0x170 [ 5021.977239][ T903] inet6_addr_add+0x12f/0xa40 [ 5021.977239][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5021.977239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.977239][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.977239][ T903] netlink_unicast+0x449/0x710 [ 5021.977239][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.977239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.977239][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.977239][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.977239][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.977239][ T903] [ 5021.980827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5021.980827][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5021.980827][ T903] ipv6_find_idev+0x102/0x170 [ 5021.980827][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.980827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.980827][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.980827][ T903] netlink_unicast+0x449/0x710 [ 5021.980827][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.980827][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.980827][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.980827][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.980827][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.980827][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.980827][ T903] [ 5021.983653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5021.983653][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5021.983653][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5021.983653][ T903] ipv6_find_idev+0x102/0x170 [ 5021.983653][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5021.983653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5021.983653][ T903] netlink_rcv_skb+0x130/0x360 [ 5021.983653][ T903] netlink_unicast+0x449/0x710 [ 5021.983653][ T903] netlink_sendmsg+0x723/0xbe0 [ 5021.983653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5021.983653][ T903] ___sys_sendmsg+0xee/0x170 [ 5021.983653][ T903] __sys_sendmsg+0xcd/0x170 [ 5021.983653][ T903] do_syscall_64+0xc6/0x1e0 [ 5021.983653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5021.983653][ T903] [ 5032.229868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5032.230435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5032.230435][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5032.230435][ T903] ip6_validate_gw+0x3eb/0x790 [ 5032.230435][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5032.230435][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5032.230435][ T903] ip6_route_add+0x1c/0x140 [ 5032.230435][ T903] inet6_rtm_newroute+0x104/0x110 [ 5032.230435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.230435][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.230435][ T903] netlink_unicast+0x449/0x710 [ 5032.230435][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.230435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.230435][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.230435][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.230435][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.230435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.230435][ T903] [ 5032.232532][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5032.232532][ T903] netdev_get_by_index+0x5e/0x80 [ 5032.232532][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5032.232532][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5032.232532][ T903] ip6_route_add+0x1c/0x140 [ 5032.232532][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5032.232532][ T903] inet6_addr_add+0x4f8/0xa40 [ 5032.232532][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.232532][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.232532][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.232532][ T903] netlink_unicast+0x449/0x710 [ 5032.232532][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.232532][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.232532][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.232532][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.232532][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.232532][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.232532][ T903] [ 5032.234743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5032.234743][ T903] netdev_get_by_index+0x5e/0x80 [ 5032.234743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5032.234743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5032.234743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5032.234743][ T903] ipv6_add_addr+0x411/0x2000 [ 5032.234743][ T903] inet6_addr_add+0x30e/0xa40 [ 5032.234743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.234743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.234743][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.234743][ T903] netlink_unicast+0x449/0x710 [ 5032.234743][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.234743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.234743][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.234743][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.234743][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.234743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.234743][ T903] [ 5032.236913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5032.236913][ T903] netdev_get_by_index+0x5e/0x80 [ 5032.236913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5032.236913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5032.236913][ T903] ip6_route_add+0x1c/0x140 [ 5032.236913][ T903] addrconf_add_mroute+0x129/0x180 [ 5032.236913][ T903] addrconf_add_dev+0xe2/0x170 [ 5032.236913][ T903] inet6_addr_add+0x12f/0xa40 [ 5032.236913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5032.236913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.236913][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.236913][ T903] netlink_unicast+0x449/0x710 [ 5032.236913][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.236913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.236913][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.236913][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.236913][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.236913][ T903] [ 5032.239076][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5032.239076][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5032.239076][ T903] ipv6_find_idev+0x102/0x170 [ 5032.239076][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.239076][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.239076][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.239076][ T903] netlink_unicast+0x449/0x710 [ 5032.239076][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.239076][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.239076][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.239076][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.239076][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.239076][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.239076][ T903] [ 5032.240757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5032.240757][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5032.240757][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5032.240757][ T903] ipv6_find_idev+0x102/0x170 [ 5032.240757][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5032.240757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5032.240757][ T903] netlink_rcv_skb+0x130/0x360 [ 5032.240757][ T903] netlink_unicast+0x449/0x710 [ 5032.240757][ T903] netlink_sendmsg+0x723/0xbe0 [ 5032.240757][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5032.240757][ T903] ___sys_sendmsg+0xee/0x170 [ 5032.240757][ T903] __sys_sendmsg+0xcd/0x170 [ 5032.240757][ T903] do_syscall_64+0xc6/0x1e0 [ 5032.240757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5032.240757][ T903] [ 5042.477877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5042.478384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5042.478384][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5042.478384][ T903] ip6_validate_gw+0x3eb/0x790 [ 5042.478384][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5042.478384][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5042.478384][ T903] ip6_route_add+0x1c/0x140 [ 5042.478384][ T903] inet6_rtm_newroute+0x104/0x110 [ 5042.478384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.478384][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.478384][ T903] netlink_unicast+0x449/0x710 [ 5042.478384][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.478384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.478384][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.478384][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.478384][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.478384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.478384][ T903] [ 5042.480507][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5042.480507][ T903] netdev_get_by_index+0x5e/0x80 [ 5042.480507][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5042.480507][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5042.480507][ T903] ip6_route_add+0x1c/0x140 [ 5042.480507][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5042.480507][ T903] inet6_addr_add+0x4f8/0xa40 [ 5042.480507][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.480507][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.480507][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.480507][ T903] netlink_unicast+0x449/0x710 [ 5042.480507][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.480507][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.480507][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.480507][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.480507][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.480507][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.480507][ T903] [ 5042.482748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5042.482748][ T903] netdev_get_by_index+0x5e/0x80 [ 5042.482748][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5042.482748][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5042.482748][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5042.482748][ T903] ipv6_add_addr+0x411/0x2000 [ 5042.482748][ T903] inet6_addr_add+0x30e/0xa40 [ 5042.482748][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.482748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.482748][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.482748][ T903] netlink_unicast+0x449/0x710 [ 5042.482748][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.482748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.482748][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.482748][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.482748][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.482748][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.482748][ T903] [ 5042.484939][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5042.484939][ T903] netdev_get_by_index+0x5e/0x80 [ 5042.484939][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5042.484939][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5042.484939][ T903] ip6_route_add+0x1c/0x140 [ 5042.484939][ T903] addrconf_add_mroute+0x129/0x180 [ 5042.484939][ T903] addrconf_add_dev+0xe2/0x170 [ 5042.484939][ T903] inet6_addr_add+0x12f/0xa40 [ 5042.484939][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5042.484939][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.484939][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.484939][ T903] netlink_unicast+0x449/0x710 [ 5042.484939][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.484939][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.484939][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.484939][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.484939][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.484939][ T903] [ 5042.487075][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5042.487075][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5042.487075][ T903] ipv6_find_idev+0x102/0x170 [ 5042.487075][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.487075][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.487075][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.487075][ T903] netlink_unicast+0x449/0x710 [ 5042.487075][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.487075][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.487075][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.487075][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.487075][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.487075][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.487075][ T903] [ 5042.489317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5042.489317][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5042.489317][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5042.489317][ T903] ipv6_find_idev+0x102/0x170 [ 5042.489317][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5042.489317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5042.489317][ T903] netlink_rcv_skb+0x130/0x360 [ 5042.489317][ T903] netlink_unicast+0x449/0x710 [ 5042.489317][ T903] netlink_sendmsg+0x723/0xbe0 [ 5042.489317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5042.489317][ T903] ___sys_sendmsg+0xee/0x170 [ 5042.489317][ T903] __sys_sendmsg+0xcd/0x170 [ 5042.489317][ T903] do_syscall_64+0xc6/0x1e0 [ 5042.489317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5042.489317][ T903] [ 5052.733887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5052.734386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5052.734386][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5052.734386][ T903] ip6_validate_gw+0x3eb/0x790 [ 5052.734386][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5052.734386][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5052.734386][ T903] ip6_route_add+0x1c/0x140 [ 5052.734386][ T903] inet6_rtm_newroute+0x104/0x110 [ 5052.734386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.734386][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.734386][ T903] netlink_unicast+0x449/0x710 [ 5052.734386][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.734386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.734386][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.734386][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.734386][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.734386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.734386][ T903] [ 5052.736473][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5052.736473][ T903] netdev_get_by_index+0x5e/0x80 [ 5052.736473][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5052.736473][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5052.736473][ T903] ip6_route_add+0x1c/0x140 [ 5052.736473][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5052.736473][ T903] inet6_addr_add+0x4f8/0xa40 [ 5052.736473][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.736473][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.736473][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.736473][ T903] netlink_unicast+0x449/0x710 [ 5052.736473][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.736473][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.736473][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.736473][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.736473][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.736473][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.736473][ T903] [ 5052.738684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5052.738684][ T903] netdev_get_by_index+0x5e/0x80 [ 5052.738684][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5052.738684][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5052.738684][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5052.738684][ T903] ipv6_add_addr+0x411/0x2000 [ 5052.738684][ T903] inet6_addr_add+0x30e/0xa40 [ 5052.738684][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.738684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.738684][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.738684][ T903] netlink_unicast+0x449/0x710 [ 5052.738684][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.738684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.738684][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.738684][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.738684][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.738684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.738684][ T903] [ 5052.740883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5052.740883][ T903] netdev_get_by_index+0x5e/0x80 [ 5052.740883][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5052.740883][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5052.740883][ T903] ip6_route_add+0x1c/0x140 [ 5052.740883][ T903] addrconf_add_mroute+0x129/0x180 [ 5052.740883][ T903] addrconf_add_dev+0xe2/0x170 [ 5052.740883][ T903] inet6_addr_add+0x12f/0xa40 [ 5052.740883][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5052.740883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.740883][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.740883][ T903] netlink_unicast+0x449/0x710 [ 5052.740883][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.740883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.740883][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.740883][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.740883][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.740883][ T903] [ 5052.743084][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5052.743084][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5052.743084][ T903] ipv6_find_idev+0x102/0x170 [ 5052.743084][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.743084][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.743084][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.743084][ T903] netlink_unicast+0x449/0x710 [ 5052.743084][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.743084][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.743084][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.743084][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.743084][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.743084][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.743084][ T903] [ 5052.744870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5052.744870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5052.744870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5052.744870][ T903] ipv6_find_idev+0x102/0x170 [ 5052.744870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5052.744870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5052.744870][ T903] netlink_rcv_skb+0x130/0x360 [ 5052.744870][ T903] netlink_unicast+0x449/0x710 [ 5052.744870][ T903] netlink_sendmsg+0x723/0xbe0 [ 5052.744870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5052.744870][ T903] ___sys_sendmsg+0xee/0x170 [ 5052.744870][ T903] __sys_sendmsg+0xcd/0x170 [ 5052.744870][ T903] do_syscall_64+0xc6/0x1e0 [ 5052.744870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5052.744870][ T903] [ 5062.837944][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5062.838464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5062.838464][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5062.838464][ T903] ip6_validate_gw+0x3eb/0x790 [ 5062.838464][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5062.838464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5062.838464][ T903] ip6_route_add+0x1c/0x140 [ 5062.838464][ T903] inet6_rtm_newroute+0x104/0x110 [ 5062.838464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.838464][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.838464][ T903] netlink_unicast+0x449/0x710 [ 5062.838464][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.838464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.838464][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.838464][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.838464][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.838464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.838464][ T903] [ 5062.840583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5062.840583][ T903] netdev_get_by_index+0x5e/0x80 [ 5062.840583][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5062.840583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5062.840583][ T903] ip6_route_add+0x1c/0x140 [ 5062.840583][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5062.840583][ T903] inet6_addr_add+0x4f8/0xa40 [ 5062.840583][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.840583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.840583][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.840583][ T903] netlink_unicast+0x449/0x710 [ 5062.840583][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.840583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.840583][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.840583][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.840583][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.840583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.840583][ T903] [ 5062.842781][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5062.842781][ T903] netdev_get_by_index+0x5e/0x80 [ 5062.842781][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5062.842781][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5062.842781][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5062.842781][ T903] ipv6_add_addr+0x411/0x2000 [ 5062.842781][ T903] inet6_addr_add+0x30e/0xa40 [ 5062.842781][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.842781][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.842781][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.842781][ T903] netlink_unicast+0x449/0x710 [ 5062.842781][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.842781][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.842781][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.842781][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.842781][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.842781][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.842781][ T903] [ 5062.844974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5062.844974][ T903] netdev_get_by_index+0x5e/0x80 [ 5062.844974][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5062.844974][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5062.844974][ T903] ip6_route_add+0x1c/0x140 [ 5062.844974][ T903] addrconf_add_mroute+0x129/0x180 [ 5062.844974][ T903] addrconf_add_dev+0xe2/0x170 [ 5062.844974][ T903] inet6_addr_add+0x12f/0xa40 [ 5062.844974][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5062.844974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.844974][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.844974][ T903] netlink_unicast+0x449/0x710 [ 5062.844974][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.844974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.844974][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.844974][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.844974][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.844974][ T903] [ 5062.847137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5062.847137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5062.847137][ T903] ipv6_find_idev+0x102/0x170 [ 5062.847137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.847137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.847137][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.847137][ T903] netlink_unicast+0x449/0x710 [ 5062.847137][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.847137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.847137][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.847137][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.847137][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.847137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.847137][ T903] [ 5062.848838][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5062.848838][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5062.848838][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5062.848838][ T903] ipv6_find_idev+0x102/0x170 [ 5062.848838][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5062.848838][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5062.848838][ T903] netlink_rcv_skb+0x130/0x360 [ 5062.848838][ T903] netlink_unicast+0x449/0x710 [ 5062.848838][ T903] netlink_sendmsg+0x723/0xbe0 [ 5062.848838][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5062.848838][ T903] ___sys_sendmsg+0xee/0x170 [ 5062.848838][ T903] __sys_sendmsg+0xcd/0x170 [ 5062.848838][ T903] do_syscall_64+0xc6/0x1e0 [ 5062.848838][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5062.848838][ T903] [ 5073.093804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5073.094330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5073.094330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5073.094330][ T903] ip6_validate_gw+0x3eb/0x790 [ 5073.094330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5073.094330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5073.094330][ T903] ip6_route_add+0x1c/0x140 [ 5073.094330][ T903] inet6_rtm_newroute+0x104/0x110 [ 5073.094330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.094330][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.094330][ T903] netlink_unicast+0x449/0x710 [ 5073.094330][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.094330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.094330][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.094330][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.094330][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.094330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.094330][ T903] [ 5073.096418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5073.096418][ T903] netdev_get_by_index+0x5e/0x80 [ 5073.096418][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5073.096418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5073.096418][ T903] ip6_route_add+0x1c/0x140 [ 5073.096418][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5073.096418][ T903] inet6_addr_add+0x4f8/0xa40 [ 5073.096418][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.096418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.096418][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.096418][ T903] netlink_unicast+0x449/0x710 [ 5073.096418][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.096418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.096418][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.096418][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.096418][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.096418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.096418][ T903] [ 5073.098625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5073.098625][ T903] netdev_get_by_index+0x5e/0x80 [ 5073.098625][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5073.098625][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5073.098625][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5073.098625][ T903] ipv6_add_addr+0x411/0x2000 [ 5073.098625][ T903] inet6_addr_add+0x30e/0xa40 [ 5073.098625][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.098625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.098625][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.098625][ T903] netlink_unicast+0x449/0x710 [ 5073.098625][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.098625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.098625][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.098625][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.098625][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.098625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.098625][ T903] [ 5073.100841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5073.100841][ T903] netdev_get_by_index+0x5e/0x80 [ 5073.100841][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5073.100841][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5073.100841][ T903] ip6_route_add+0x1c/0x140 [ 5073.100841][ T903] addrconf_add_mroute+0x129/0x180 [ 5073.100841][ T903] addrconf_add_dev+0xe2/0x170 [ 5073.100841][ T903] inet6_addr_add+0x12f/0xa40 [ 5073.100841][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5073.100841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.100841][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.100841][ T903] netlink_unicast+0x449/0x710 [ 5073.100841][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.100841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.100841][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.100841][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.100841][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.100841][ T903] [ 5073.102992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5073.102992][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5073.102992][ T903] ipv6_find_idev+0x102/0x170 [ 5073.102992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.102992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.102992][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.102992][ T903] netlink_unicast+0x449/0x710 [ 5073.102992][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.102992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.102992][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.102992][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.102992][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.102992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.102992][ T903] [ 5073.104674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5073.104674][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5073.104674][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5073.104674][ T903] ipv6_find_idev+0x102/0x170 [ 5073.104674][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5073.104674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5073.104674][ T903] netlink_rcv_skb+0x130/0x360 [ 5073.104674][ T903] netlink_unicast+0x449/0x710 [ 5073.104674][ T903] netlink_sendmsg+0x723/0xbe0 [ 5073.104674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5073.104674][ T903] ___sys_sendmsg+0xee/0x170 [ 5073.104674][ T903] __sys_sendmsg+0xcd/0x170 [ 5073.104674][ T903] do_syscall_64+0xc6/0x1e0 [ 5073.104674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5073.104674][ T903] [ 5083.149791][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5083.150291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5083.150291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5083.150291][ T903] ip6_validate_gw+0x3eb/0x790 [ 5083.150291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5083.150291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5083.150291][ T903] ip6_route_add+0x1c/0x140 [ 5083.150291][ T903] inet6_rtm_newroute+0x104/0x110 [ 5083.150291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.150291][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.150291][ T903] netlink_unicast+0x449/0x710 [ 5083.150291][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.150291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.150291][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.150291][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.150291][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.150291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5083.150291][ T903] [ 5083.152388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5083.152388][ T903] netdev_get_by_index+0x5e/0x80 [ 5083.152388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5083.152388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5083.152388][ T903] ip6_route_add+0x1c/0x140 [ 5083.152388][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5083.152388][ T903] inet6_addr_add+0x4f8/0xa40 [ 5083.152388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5083.152388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.152388][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.152388][ T903] netlink_unicast+0x449/0x710 [ 5083.152388][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.152388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.152388][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.152388][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.152388][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.152388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5083.152388][ T903] [ 5083.154587][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5083.154587][ T903] netdev_get_by_index+0x5e/0x80 [ 5083.154587][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5083.154587][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5083.154587][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5083.154587][ T903] ipv6_add_addr+0x411/0x2000 [ 5083.154587][ T903] inet6_addr_add+0x30e/0xa40 [ 5083.154587][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5083.154587][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.154587][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.154587][ T903] netlink_unicast+0x449/0x710 [ 5083.154587][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.154587][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.154587][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.154587][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.154587][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.154587][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5083.154587][ T903] [ 5083.156789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5083.156789][ T903] netdev_get_by_index+0x5e/0x80 [ 5083.156789][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5083.156789][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5083.156789][ T903] ip6_route_add+0x1c/0x140 [ 5083.156789][ T903] addrconf_add_mroute+0x129/0x180 [ 5083.156789][ T903] addrconf_add_dev+0xe2/0x170 [ 5083.156789][ T903] inet6_addr_add+0x12f/0xa40 [ 5083.156789][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5083.156789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.156789][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.156789][ T903] netlink_unicast+0x449/0x710 [ 5083.156789][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.156789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.156789][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.156789][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.156789][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.156789][ T903] [ 5083.158946][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5083.158946][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5083.158946][ T903] ipv6_find_idev+0x102/0x170 [ 5083.158946][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5083.158946][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.158946][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.158946][ T903] netlink_unicast+0x449/0x710 [ 5083.158946][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.158946][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.158946][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.158946][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.158946][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.158946][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5083.158946][ T903] [ 5083.160632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5083.160632][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5083.160632][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5083.160632][ T903] ipv6_find_idev+0x102/0x170 [ 5083.160632][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5083.160632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5083.160632][ T903] netlink_rcv_skb+0x130/0x360 [ 5083.160632][ T903] netlink_unicast+0x449/0x710 [ 5083.160632][ T903] netlink_sendmsg+0x723/0xbe0 [ 5083.160632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5083.160632][ T903] ___sys_sendmsg+0xee/0x170 [ 5083.160632][ T903] __sys_sendmsg+0xcd/0x170 [ 5083.160632][ T903] do_syscall_64+0xc6/0x1e0 [ 5083.160632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5083.160632][ T903] [ 5093.397813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5093.398329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5093.398329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5093.398329][ T903] ip6_validate_gw+0x3eb/0x790 [ 5093.398329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5093.398329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5093.398329][ T903] ip6_route_add+0x1c/0x140 [ 5093.398329][ T903] inet6_rtm_newroute+0x104/0x110 [ 5093.398329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.398329][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.398329][ T903] netlink_unicast+0x449/0x710 [ 5093.398329][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.398329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.398329][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.398329][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.398329][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.398329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.398329][ T903] [ 5093.400428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5093.400428][ T903] netdev_get_by_index+0x5e/0x80 [ 5093.400428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5093.400428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5093.400428][ T903] ip6_route_add+0x1c/0x140 [ 5093.400428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5093.400428][ T903] inet6_addr_add+0x4f8/0xa40 [ 5093.400428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.400428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.400428][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.400428][ T903] netlink_unicast+0x449/0x710 [ 5093.400428][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.400428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.400428][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.400428][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.400428][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.400428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.400428][ T903] [ 5093.402626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5093.402626][ T903] netdev_get_by_index+0x5e/0x80 [ 5093.402626][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5093.402626][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5093.402626][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5093.402626][ T903] ipv6_add_addr+0x411/0x2000 [ 5093.402626][ T903] inet6_addr_add+0x30e/0xa40 [ 5093.402626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.402626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.402626][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.402626][ T903] netlink_unicast+0x449/0x710 [ 5093.402626][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.402626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.402626][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.402626][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.402626][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.402626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.402626][ T903] [ 5093.404813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5093.404813][ T903] netdev_get_by_index+0x5e/0x80 [ 5093.404813][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5093.404813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5093.404813][ T903] ip6_route_add+0x1c/0x140 [ 5093.404813][ T903] addrconf_add_mroute+0x129/0x180 [ 5093.404813][ T903] addrconf_add_dev+0xe2/0x170 [ 5093.404813][ T903] inet6_addr_add+0x12f/0xa40 [ 5093.404813][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5093.404813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.404813][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.404813][ T903] netlink_unicast+0x449/0x710 [ 5093.404813][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.404813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.404813][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.404813][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.404813][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.404813][ T903] [ 5093.406980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5093.406980][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5093.406980][ T903] ipv6_find_idev+0x102/0x170 [ 5093.406980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.406980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.406980][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.406980][ T903] netlink_unicast+0x449/0x710 [ 5093.406980][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.406980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.406980][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.406980][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.406980][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.406980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.406980][ T903] [ 5093.408672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5093.408672][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5093.408672][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5093.408672][ T903] ipv6_find_idev+0x102/0x170 [ 5093.408672][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5093.408672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5093.408672][ T903] netlink_rcv_skb+0x130/0x360 [ 5093.408672][ T903] netlink_unicast+0x449/0x710 [ 5093.408672][ T903] netlink_sendmsg+0x723/0xbe0 [ 5093.408672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5093.408672][ T903] ___sys_sendmsg+0xee/0x170 [ 5093.408672][ T903] __sys_sendmsg+0xcd/0x170 [ 5093.408672][ T903] do_syscall_64+0xc6/0x1e0 [ 5093.408672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5093.408672][ T903] [ 5103.661820][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5103.662283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5103.662283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5103.662283][ T903] ip6_validate_gw+0x3eb/0x790 [ 5103.662283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5103.662283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5103.662283][ T903] ip6_route_add+0x1c/0x140 [ 5103.662283][ T903] inet6_rtm_newroute+0x104/0x110 [ 5103.662283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.662283][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.662283][ T903] netlink_unicast+0x449/0x710 [ 5103.662283][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.662283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.662283][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.662283][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.662283][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.662283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.662283][ T903] [ 5103.664369][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5103.664369][ T903] netdev_get_by_index+0x5e/0x80 [ 5103.664369][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5103.664369][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5103.664369][ T903] ip6_route_add+0x1c/0x140 [ 5103.664369][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5103.664369][ T903] inet6_addr_add+0x4f8/0xa40 [ 5103.664369][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.664369][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.664369][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.664369][ T903] netlink_unicast+0x449/0x710 [ 5103.664369][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.664369][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.664369][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.664369][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.664369][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.664369][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.664369][ T903] [ 5103.666558][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5103.666558][ T903] netdev_get_by_index+0x5e/0x80 [ 5103.666558][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5103.666558][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5103.666558][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5103.666558][ T903] ipv6_add_addr+0x411/0x2000 [ 5103.666558][ T903] inet6_addr_add+0x30e/0xa40 [ 5103.666558][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.666558][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.666558][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.666558][ T903] netlink_unicast+0x449/0x710 [ 5103.666558][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.666558][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.666558][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.666558][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.666558][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.666558][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.666558][ T903] [ 5103.668761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5103.668761][ T903] netdev_get_by_index+0x5e/0x80 [ 5103.668761][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5103.668761][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5103.668761][ T903] ip6_route_add+0x1c/0x140 [ 5103.668761][ T903] addrconf_add_mroute+0x129/0x180 [ 5103.668761][ T903] addrconf_add_dev+0xe2/0x170 [ 5103.668761][ T903] inet6_addr_add+0x12f/0xa40 [ 5103.668761][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5103.668761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.668761][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.668761][ T903] netlink_unicast+0x449/0x710 [ 5103.668761][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.668761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.668761][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.668761][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.668761][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.668761][ T903] [ 5103.670910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5103.670910][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5103.670910][ T903] ipv6_find_idev+0x102/0x170 [ 5103.670910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.670910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.670910][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.670910][ T903] netlink_unicast+0x449/0x710 [ 5103.670910][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.670910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.670910][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.670910][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.670910][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.670910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.670910][ T903] [ 5103.672594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5103.672594][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5103.672594][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5103.672594][ T903] ipv6_find_idev+0x102/0x170 [ 5103.672594][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5103.672594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5103.672594][ T903] netlink_rcv_skb+0x130/0x360 [ 5103.672594][ T903] netlink_unicast+0x449/0x710 [ 5103.672594][ T903] netlink_sendmsg+0x723/0xbe0 [ 5103.672594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5103.672594][ T903] ___sys_sendmsg+0xee/0x170 [ 5103.672594][ T903] __sys_sendmsg+0xcd/0x170 [ 5103.672594][ T903] do_syscall_64+0xc6/0x1e0 [ 5103.672594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5103.672594][ T903] [ 5113.909818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5113.910316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5113.910316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5113.910316][ T903] ip6_validate_gw+0x3eb/0x790 [ 5113.910316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5113.910316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5113.910316][ T903] ip6_route_add+0x1c/0x140 [ 5113.910316][ T903] inet6_rtm_newroute+0x104/0x110 [ 5113.910316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.910316][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.910316][ T903] netlink_unicast+0x449/0x710 [ 5113.910316][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.910316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.910316][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.910316][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.910316][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.910316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.910316][ T903] [ 5113.912412][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5113.912412][ T903] netdev_get_by_index+0x5e/0x80 [ 5113.912412][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5113.912412][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5113.912412][ T903] ip6_route_add+0x1c/0x140 [ 5113.912412][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5113.912412][ T903] inet6_addr_add+0x4f8/0xa40 [ 5113.912412][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.912412][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.912412][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.912412][ T903] netlink_unicast+0x449/0x710 [ 5113.912412][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.912412][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.912412][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.912412][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.912412][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.912412][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.912412][ T903] [ 5113.914598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5113.914598][ T903] netdev_get_by_index+0x5e/0x80 [ 5113.914598][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5113.914598][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5113.914598][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5113.914598][ T903] ipv6_add_addr+0x411/0x2000 [ 5113.914598][ T903] inet6_addr_add+0x30e/0xa40 [ 5113.914598][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.914598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.914598][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.914598][ T903] netlink_unicast+0x449/0x710 [ 5113.914598][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.914598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.914598][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.914598][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.914598][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.914598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.914598][ T903] [ 5113.916788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5113.916788][ T903] netdev_get_by_index+0x5e/0x80 [ 5113.916788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5113.916788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5113.916788][ T903] ip6_route_add+0x1c/0x140 [ 5113.916788][ T903] addrconf_add_mroute+0x129/0x180 [ 5113.916788][ T903] addrconf_add_dev+0xe2/0x170 [ 5113.916788][ T903] inet6_addr_add+0x12f/0xa40 [ 5113.916788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5113.916788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.916788][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.916788][ T903] netlink_unicast+0x449/0x710 [ 5113.916788][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.916788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.916788][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.916788][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.916788][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.916788][ T903] [ 5113.918950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5113.918950][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5113.918950][ T903] ipv6_find_idev+0x102/0x170 [ 5113.918950][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.918950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.918950][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.918950][ T903] netlink_unicast+0x449/0x710 [ 5113.918950][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.918950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.918950][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.918950][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.918950][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.918950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.918950][ T903] [ 5113.920635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5113.920635][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5113.920635][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5113.920635][ T903] ipv6_find_idev+0x102/0x170 [ 5113.920635][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5113.920635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5113.920635][ T903] netlink_rcv_skb+0x130/0x360 [ 5113.920635][ T903] netlink_unicast+0x449/0x710 [ 5113.920635][ T903] netlink_sendmsg+0x723/0xbe0 [ 5113.920635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5113.920635][ T903] ___sys_sendmsg+0xee/0x170 [ 5113.920635][ T903] __sys_sendmsg+0xcd/0x170 [ 5113.920635][ T903] do_syscall_64+0xc6/0x1e0 [ 5113.920635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5113.920635][ T903] [ 5124.157803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5124.158317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5124.158317][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5124.158317][ T903] ip6_validate_gw+0x3eb/0x790 [ 5124.158317][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5124.158317][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5124.158317][ T903] ip6_route_add+0x1c/0x140 [ 5124.158317][ T903] inet6_rtm_newroute+0x104/0x110 [ 5124.158317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.158317][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.158317][ T903] netlink_unicast+0x449/0x710 [ 5124.158317][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.158317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.158317][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.158317][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.158317][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.158317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5124.158317][ T903] [ 5124.160453][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5124.160453][ T903] netdev_get_by_index+0x5e/0x80 [ 5124.160453][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5124.160453][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5124.160453][ T903] ip6_route_add+0x1c/0x140 [ 5124.160453][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5124.160453][ T903] inet6_addr_add+0x4f8/0xa40 [ 5124.160453][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5124.160453][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.160453][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.160453][ T903] netlink_unicast+0x449/0x710 [ 5124.160453][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.160453][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.160453][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.160453][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.160453][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.160453][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5124.160453][ T903] [ 5124.162646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5124.162646][ T903] netdev_get_by_index+0x5e/0x80 [ 5124.162646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5124.162646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5124.162646][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5124.162646][ T903] ipv6_add_addr+0x411/0x2000 [ 5124.162646][ T903] inet6_addr_add+0x30e/0xa40 [ 5124.162646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5124.162646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.162646][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.162646][ T903] netlink_unicast+0x449/0x710 [ 5124.162646][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.162646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.162646][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.162646][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.162646][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.162646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5124.162646][ T903] [ 5124.164847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5124.164847][ T903] netdev_get_by_index+0x5e/0x80 [ 5124.164847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5124.164847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5124.164847][ T903] ip6_route_add+0x1c/0x140 [ 5124.164847][ T903] addrconf_add_mroute+0x129/0x180 [ 5124.164847][ T903] addrconf_add_dev+0xe2/0x170 [ 5124.164847][ T903] inet6_addr_add+0x12f/0xa40 [ 5124.164847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5124.164847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.164847][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.164847][ T903] netlink_unicast+0x449/0x710 [ 5124.164847][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.164847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.164847][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.164847][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.164847][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.164847][ T903] [ 5124.167004][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5124.167004][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5124.167004][ T903] ipv6_find_idev+0x102/0x170 [ 5124.167004][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5124.167004][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.167004][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.167004][ T903] netlink_unicast+0x449/0x710 [ 5124.167004][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.167004][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.167004][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.167004][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.167004][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.167004][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5124.167004][ T903] [ 5124.168719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5124.168719][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5124.168719][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5124.168719][ T903] ipv6_find_idev+0x102/0x170 [ 5124.168719][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5124.168719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5124.168719][ T903] netlink_rcv_skb+0x130/0x360 [ 5124.168719][ T903] netlink_unicast+0x449/0x710 [ 5124.168719][ T903] netlink_sendmsg+0x723/0xbe0 [ 5124.168719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5124.168719][ T903] ___sys_sendmsg+0xee/0x170 [ 5124.168719][ T903] __sys_sendmsg+0xcd/0x170 [ 5124.168719][ T903] do_syscall_64+0xc6/0x1e0 [ 5124.168719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5124.168719][ T903] [ 5134.405898][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5134.406416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5134.406416][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5134.406416][ T903] ip6_validate_gw+0x3eb/0x790 [ 5134.406416][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5134.406416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5134.406416][ T903] ip6_route_add+0x1c/0x140 [ 5134.406416][ T903] inet6_rtm_newroute+0x104/0x110 [ 5134.406416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.406416][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.406416][ T903] netlink_unicast+0x449/0x710 [ 5134.406416][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.406416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.406416][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.406416][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.406416][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.406416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.406416][ T903] [ 5134.408619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5134.408619][ T903] netdev_get_by_index+0x5e/0x80 [ 5134.408619][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5134.408619][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5134.408619][ T903] ip6_route_add+0x1c/0x140 [ 5134.408619][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5134.408619][ T903] inet6_addr_add+0x4f8/0xa40 [ 5134.408619][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.408619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.408619][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.408619][ T903] netlink_unicast+0x449/0x710 [ 5134.408619][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.408619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.408619][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.408619][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.408619][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.408619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.408619][ T903] [ 5134.410816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5134.410816][ T903] netdev_get_by_index+0x5e/0x80 [ 5134.410816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5134.410816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5134.410816][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5134.410816][ T903] ipv6_add_addr+0x411/0x2000 [ 5134.410816][ T903] inet6_addr_add+0x30e/0xa40 [ 5134.410816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.410816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.410816][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.410816][ T903] netlink_unicast+0x449/0x710 [ 5134.410816][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.410816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.410816][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.410816][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.410816][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.410816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.410816][ T903] [ 5134.413257][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5134.413257][ T903] netdev_get_by_index+0x5e/0x80 [ 5134.413257][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5134.413257][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5134.413257][ T903] ip6_route_add+0x1c/0x140 [ 5134.413257][ T903] addrconf_add_mroute+0x129/0x180 [ 5134.413257][ T903] addrconf_add_dev+0xe2/0x170 [ 5134.413257][ T903] inet6_addr_add+0x12f/0xa40 [ 5134.413257][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5134.413257][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.413257][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.413257][ T903] netlink_unicast+0x449/0x710 [ 5134.413257][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.413257][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.413257][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.413257][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.413257][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.413257][ T903] [ 5134.415410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5134.415410][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5134.415410][ T903] ipv6_find_idev+0x102/0x170 [ 5134.415410][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.415410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.415410][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.415410][ T903] netlink_unicast+0x449/0x710 [ 5134.415410][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.415410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.415410][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.415410][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.415410][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.415410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.415410][ T903] [ 5134.417101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5134.417101][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5134.417101][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5134.417101][ T903] ipv6_find_idev+0x102/0x170 [ 5134.417101][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5134.417101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5134.417101][ T903] netlink_rcv_skb+0x130/0x360 [ 5134.417101][ T903] netlink_unicast+0x449/0x710 [ 5134.417101][ T903] netlink_sendmsg+0x723/0xbe0 [ 5134.417101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5134.417101][ T903] ___sys_sendmsg+0xee/0x170 [ 5134.417101][ T903] __sys_sendmsg+0xcd/0x170 [ 5134.417101][ T903] do_syscall_64+0xc6/0x1e0 [ 5134.417101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5134.417101][ T903] [ 5144.653802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5144.654343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5144.654343][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5144.654343][ T903] ip6_validate_gw+0x3eb/0x790 [ 5144.654343][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5144.654343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5144.654343][ T903] ip6_route_add+0x1c/0x140 [ 5144.654343][ T903] inet6_rtm_newroute+0x104/0x110 [ 5144.654343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.654343][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.654343][ T903] netlink_unicast+0x449/0x710 [ 5144.654343][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.654343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.654343][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.654343][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.654343][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.654343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.654343][ T903] [ 5144.656486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5144.656486][ T903] netdev_get_by_index+0x5e/0x80 [ 5144.656486][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5144.656486][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5144.656486][ T903] ip6_route_add+0x1c/0x140 [ 5144.656486][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5144.656486][ T903] inet6_addr_add+0x4f8/0xa40 [ 5144.656486][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.656486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.656486][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.656486][ T903] netlink_unicast+0x449/0x710 [ 5144.656486][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.656486][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.656486][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.656486][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.656486][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.656486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.656486][ T903] [ 5144.658714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5144.658714][ T903] netdev_get_by_index+0x5e/0x80 [ 5144.658714][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5144.658714][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5144.658714][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5144.658714][ T903] ipv6_add_addr+0x411/0x2000 [ 5144.658714][ T903] inet6_addr_add+0x30e/0xa40 [ 5144.658714][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.658714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.658714][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.658714][ T903] netlink_unicast+0x449/0x710 [ 5144.658714][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.658714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.658714][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.658714][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.658714][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.658714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.658714][ T903] [ 5144.660936][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5144.660936][ T903] netdev_get_by_index+0x5e/0x80 [ 5144.660936][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5144.660936][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5144.660936][ T903] ip6_route_add+0x1c/0x140 [ 5144.660936][ T903] addrconf_add_mroute+0x129/0x180 [ 5144.660936][ T903] addrconf_add_dev+0xe2/0x170 [ 5144.660936][ T903] inet6_addr_add+0x12f/0xa40 [ 5144.660936][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5144.660936][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.660936][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.660936][ T903] netlink_unicast+0x449/0x710 [ 5144.660936][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.660936][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.660936][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.660936][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.660936][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.660936][ T903] [ 5144.663117][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5144.663117][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5144.663117][ T903] ipv6_find_idev+0x102/0x170 [ 5144.663117][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.663117][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.663117][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.663117][ T903] netlink_unicast+0x449/0x710 [ 5144.663117][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.663117][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.663117][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.663117][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.663117][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.663117][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.663117][ T903] [ 5144.664825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5144.664825][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5144.664825][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5144.664825][ T903] ipv6_find_idev+0x102/0x170 [ 5144.664825][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5144.664825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5144.664825][ T903] netlink_rcv_skb+0x130/0x360 [ 5144.664825][ T903] netlink_unicast+0x449/0x710 [ 5144.664825][ T903] netlink_sendmsg+0x723/0xbe0 [ 5144.664825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5144.664825][ T903] ___sys_sendmsg+0xee/0x170 [ 5144.664825][ T903] __sys_sendmsg+0xcd/0x170 [ 5144.664825][ T903] do_syscall_64+0xc6/0x1e0 [ 5144.664825][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5144.664825][ T903] [ 5154.909801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5154.910335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5154.910335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5154.910335][ T903] ip6_validate_gw+0x3eb/0x790 [ 5154.910335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5154.910335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5154.910335][ T903] ip6_route_add+0x1c/0x140 [ 5154.910335][ T903] inet6_rtm_newroute+0x104/0x110 [ 5154.910335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.910335][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.910335][ T903] netlink_unicast+0x449/0x710 [ 5154.910335][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.910335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.910335][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.910335][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.910335][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.910335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.910335][ T903] [ 5154.912459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5154.912459][ T903] netdev_get_by_index+0x5e/0x80 [ 5154.912459][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5154.912459][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5154.912459][ T903] ip6_route_add+0x1c/0x140 [ 5154.912459][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5154.912459][ T903] inet6_addr_add+0x4f8/0xa40 [ 5154.912459][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.912459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.912459][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.912459][ T903] netlink_unicast+0x449/0x710 [ 5154.912459][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.912459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.912459][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.912459][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.912459][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.912459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.912459][ T903] [ 5154.914625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5154.914625][ T903] netdev_get_by_index+0x5e/0x80 [ 5154.914625][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5154.914625][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5154.914625][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5154.914625][ T903] ipv6_add_addr+0x411/0x2000 [ 5154.914625][ T903] inet6_addr_add+0x30e/0xa40 [ 5154.914625][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.914625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.914625][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.914625][ T903] netlink_unicast+0x449/0x710 [ 5154.914625][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.914625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.914625][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.914625][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.914625][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.914625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.914625][ T903] [ 5154.916862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5154.916862][ T903] netdev_get_by_index+0x5e/0x80 [ 5154.916862][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5154.916862][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5154.916862][ T903] ip6_route_add+0x1c/0x140 [ 5154.916862][ T903] addrconf_add_mroute+0x129/0x180 [ 5154.916862][ T903] addrconf_add_dev+0xe2/0x170 [ 5154.916862][ T903] inet6_addr_add+0x12f/0xa40 [ 5154.916862][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5154.916862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.916862][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.916862][ T903] netlink_unicast+0x449/0x710 [ 5154.916862][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.916862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.916862][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.916862][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.916862][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.916862][ T903] [ 5154.919061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5154.919061][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5154.919061][ T903] ipv6_find_idev+0x102/0x170 [ 5154.919061][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.919061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.919061][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.919061][ T903] netlink_unicast+0x449/0x710 [ 5154.919061][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.919061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.919061][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.919061][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.919061][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.919061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.919061][ T903] [ 5154.920769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5154.920769][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5154.920769][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5154.920769][ T903] ipv6_find_idev+0x102/0x170 [ 5154.920769][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5154.920769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5154.920769][ T903] netlink_rcv_skb+0x130/0x360 [ 5154.920769][ T903] netlink_unicast+0x449/0x710 [ 5154.920769][ T903] netlink_sendmsg+0x723/0xbe0 [ 5154.920769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5154.920769][ T903] ___sys_sendmsg+0xee/0x170 [ 5154.920769][ T903] __sys_sendmsg+0xcd/0x170 [ 5154.920769][ T903] do_syscall_64+0xc6/0x1e0 [ 5154.920769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5154.920769][ T903] [ 5165.157797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5165.158344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5165.158344][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5165.158344][ T903] ip6_validate_gw+0x3eb/0x790 [ 5165.158344][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5165.158344][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5165.158344][ T903] ip6_route_add+0x1c/0x140 [ 5165.158344][ T903] inet6_rtm_newroute+0x104/0x110 [ 5165.158344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.158344][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.158344][ T903] netlink_unicast+0x449/0x710 [ 5165.158344][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.158344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.158344][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.158344][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.158344][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.158344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.158344][ T903] [ 5165.160452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5165.160452][ T903] netdev_get_by_index+0x5e/0x80 [ 5165.160452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5165.160452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5165.160452][ T903] ip6_route_add+0x1c/0x140 [ 5165.160452][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5165.160452][ T903] inet6_addr_add+0x4f8/0xa40 [ 5165.160452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.160452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.160452][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.160452][ T903] netlink_unicast+0x449/0x710 [ 5165.160452][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.160452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.160452][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.160452][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.160452][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.160452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.160452][ T903] [ 5165.162647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5165.162647][ T903] netdev_get_by_index+0x5e/0x80 [ 5165.162647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5165.162647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5165.162647][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5165.162647][ T903] ipv6_add_addr+0x411/0x2000 [ 5165.162647][ T903] inet6_addr_add+0x30e/0xa40 [ 5165.162647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.162647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.162647][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.162647][ T903] netlink_unicast+0x449/0x710 [ 5165.162647][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.162647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.162647][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.162647][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.162647][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.162647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.162647][ T903] [ 5165.164823][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5165.164823][ T903] netdev_get_by_index+0x5e/0x80 [ 5165.164823][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5165.164823][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5165.164823][ T903] ip6_route_add+0x1c/0x140 [ 5165.164823][ T903] addrconf_add_mroute+0x129/0x180 [ 5165.164823][ T903] addrconf_add_dev+0xe2/0x170 [ 5165.164823][ T903] inet6_addr_add+0x12f/0xa40 [ 5165.164823][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5165.164823][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.164823][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.164823][ T903] netlink_unicast+0x449/0x710 [ 5165.164823][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.164823][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.164823][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.164823][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.164823][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.164823][ T903] [ 5165.166951][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5165.166951][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5165.166951][ T903] ipv6_find_idev+0x102/0x170 [ 5165.166951][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.166951][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.166951][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.166951][ T903] netlink_unicast+0x449/0x710 [ 5165.166951][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.166951][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.166951][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.166951][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.166951][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.166951][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.166951][ T903] [ 5165.168623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5165.168623][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5165.168623][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5165.168623][ T903] ipv6_find_idev+0x102/0x170 [ 5165.168623][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5165.168623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5165.168623][ T903] netlink_rcv_skb+0x130/0x360 [ 5165.168623][ T903] netlink_unicast+0x449/0x710 [ 5165.168623][ T903] netlink_sendmsg+0x723/0xbe0 [ 5165.168623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5165.168623][ T903] ___sys_sendmsg+0xee/0x170 [ 5165.168623][ T903] __sys_sendmsg+0xcd/0x170 [ 5165.168623][ T903] do_syscall_64+0xc6/0x1e0 [ 5165.168623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5165.168623][ T903] [ 5175.349741][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5175.350284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5175.350284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5175.350284][ T903] ip6_validate_gw+0x3eb/0x790 [ 5175.350284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5175.350284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5175.350284][ T903] ip6_route_add+0x1c/0x140 [ 5175.350284][ T903] inet6_rtm_newroute+0x104/0x110 [ 5175.350284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.350284][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.350284][ T903] netlink_unicast+0x449/0x710 [ 5175.350284][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.350284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.350284][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.350284][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.350284][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.350284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.350284][ T903] [ 5175.352406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5175.352406][ T903] netdev_get_by_index+0x5e/0x80 [ 5175.352406][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5175.352406][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5175.352406][ T903] ip6_route_add+0x1c/0x140 [ 5175.352406][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5175.352406][ T903] inet6_addr_add+0x4f8/0xa40 [ 5175.352406][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.352406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.352406][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.352406][ T903] netlink_unicast+0x449/0x710 [ 5175.352406][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.352406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.352406][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.352406][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.352406][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.352406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.352406][ T903] [ 5175.354622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5175.354622][ T903] netdev_get_by_index+0x5e/0x80 [ 5175.354622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5175.354622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5175.354622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5175.354622][ T903] ipv6_add_addr+0x411/0x2000 [ 5175.354622][ T903] inet6_addr_add+0x30e/0xa40 [ 5175.354622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.354622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.354622][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.354622][ T903] netlink_unicast+0x449/0x710 [ 5175.354622][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.354622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.354622][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.354622][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.354622][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.354622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.354622][ T903] [ 5175.356846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5175.356846][ T903] netdev_get_by_index+0x5e/0x80 [ 5175.356846][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5175.356846][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5175.356846][ T903] ip6_route_add+0x1c/0x140 [ 5175.356846][ T903] addrconf_add_mroute+0x129/0x180 [ 5175.356846][ T903] addrconf_add_dev+0xe2/0x170 [ 5175.356846][ T903] inet6_addr_add+0x12f/0xa40 [ 5175.356846][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5175.356846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.356846][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.356846][ T903] netlink_unicast+0x449/0x710 [ 5175.356846][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.356846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.356846][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.356846][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.356846][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.356846][ T903] [ 5175.359878][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5175.359878][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5175.359878][ T903] ipv6_find_idev+0x102/0x170 [ 5175.359878][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.359878][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.359878][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.359878][ T903] netlink_unicast+0x449/0x710 [ 5175.359878][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.359878][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.359878][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.359878][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.359878][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.359878][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.359878][ T903] [ 5175.362647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5175.362647][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5175.362647][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5175.362647][ T903] ipv6_find_idev+0x102/0x170 [ 5175.362647][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5175.362647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5175.362647][ T903] netlink_rcv_skb+0x130/0x360 [ 5175.362647][ T903] netlink_unicast+0x449/0x710 [ 5175.362647][ T903] netlink_sendmsg+0x723/0xbe0 [ 5175.362647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5175.362647][ T903] ___sys_sendmsg+0xee/0x170 [ 5175.362647][ T903] __sys_sendmsg+0xcd/0x170 [ 5175.362647][ T903] do_syscall_64+0xc6/0x1e0 [ 5175.362647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5175.362647][ T903] [ 5185.613816][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5185.614354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5185.614354][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5185.614354][ T903] ip6_validate_gw+0x3eb/0x790 [ 5185.614354][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5185.614354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5185.614354][ T903] ip6_route_add+0x1c/0x140 [ 5185.614354][ T903] inet6_rtm_newroute+0x104/0x110 [ 5185.614354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.614354][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.614354][ T903] netlink_unicast+0x449/0x710 [ 5185.614354][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.614354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.614354][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.614354][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.614354][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.614354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.614354][ T903] [ 5185.616462][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5185.616462][ T903] netdev_get_by_index+0x5e/0x80 [ 5185.616462][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5185.616462][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5185.616462][ T903] ip6_route_add+0x1c/0x140 [ 5185.616462][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5185.616462][ T903] inet6_addr_add+0x4f8/0xa40 [ 5185.616462][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.616462][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.616462][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.616462][ T903] netlink_unicast+0x449/0x710 [ 5185.616462][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.616462][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.616462][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.616462][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.616462][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.616462][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.616462][ T903] [ 5185.619184][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5185.619184][ T903] netdev_get_by_index+0x5e/0x80 [ 5185.619184][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5185.619184][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5185.619184][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5185.619184][ T903] ipv6_add_addr+0x411/0x2000 [ 5185.619184][ T903] inet6_addr_add+0x30e/0xa40 [ 5185.619184][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.619184][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.619184][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.619184][ T903] netlink_unicast+0x449/0x710 [ 5185.619184][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.619184][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.619184][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.619184][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.619184][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.619184][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.619184][ T903] [ 5185.621380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5185.621380][ T903] netdev_get_by_index+0x5e/0x80 [ 5185.621380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5185.621380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5185.621380][ T903] ip6_route_add+0x1c/0x140 [ 5185.621380][ T903] addrconf_add_mroute+0x129/0x180 [ 5185.621380][ T903] addrconf_add_dev+0xe2/0x170 [ 5185.621380][ T903] inet6_addr_add+0x12f/0xa40 [ 5185.621380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5185.621380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.621380][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.621380][ T903] netlink_unicast+0x449/0x710 [ 5185.621380][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.621380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.621380][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.621380][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.621380][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.621380][ T903] [ 5185.623533][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5185.623533][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5185.623533][ T903] ipv6_find_idev+0x102/0x170 [ 5185.623533][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.623533][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.623533][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.623533][ T903] netlink_unicast+0x449/0x710 [ 5185.623533][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.623533][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.623533][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.623533][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.623533][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.623533][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.623533][ T903] [ 5185.625225][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5185.625225][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5185.625225][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5185.625225][ T903] ipv6_find_idev+0x102/0x170 [ 5185.625225][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5185.625225][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5185.625225][ T903] netlink_rcv_skb+0x130/0x360 [ 5185.625225][ T903] netlink_unicast+0x449/0x710 [ 5185.625225][ T903] netlink_sendmsg+0x723/0xbe0 [ 5185.625225][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5185.625225][ T903] ___sys_sendmsg+0xee/0x170 [ 5185.625225][ T903] __sys_sendmsg+0xcd/0x170 [ 5185.625225][ T903] do_syscall_64+0xc6/0x1e0 [ 5185.625225][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5185.625225][ T903] [ 5195.877815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5195.878338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5195.878338][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5195.878338][ T903] ip6_validate_gw+0x3eb/0x790 [ 5195.878338][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5195.878338][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5195.878338][ T903] ip6_route_add+0x1c/0x140 [ 5195.878338][ T903] inet6_rtm_newroute+0x104/0x110 [ 5195.878338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.878338][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.878338][ T903] netlink_unicast+0x449/0x710 [ 5195.878338][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.878338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.878338][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.878338][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.878338][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.878338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.878338][ T903] [ 5195.880431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5195.880431][ T903] netdev_get_by_index+0x5e/0x80 [ 5195.880431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5195.880431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5195.880431][ T903] ip6_route_add+0x1c/0x140 [ 5195.880431][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5195.880431][ T903] inet6_addr_add+0x4f8/0xa40 [ 5195.880431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.880431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.880431][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.880431][ T903] netlink_unicast+0x449/0x710 [ 5195.880431][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.880431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.880431][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.880431][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.880431][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.880431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.880431][ T903] [ 5195.882635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5195.882635][ T903] netdev_get_by_index+0x5e/0x80 [ 5195.882635][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5195.882635][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5195.882635][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5195.882635][ T903] ipv6_add_addr+0x411/0x2000 [ 5195.882635][ T903] inet6_addr_add+0x30e/0xa40 [ 5195.882635][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.882635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.882635][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.882635][ T903] netlink_unicast+0x449/0x710 [ 5195.882635][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.882635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.882635][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.882635][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.882635][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.882635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.882635][ T903] [ 5195.884833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5195.884833][ T903] netdev_get_by_index+0x5e/0x80 [ 5195.884833][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5195.884833][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5195.884833][ T903] ip6_route_add+0x1c/0x140 [ 5195.884833][ T903] addrconf_add_mroute+0x129/0x180 [ 5195.884833][ T903] addrconf_add_dev+0xe2/0x170 [ 5195.884833][ T903] inet6_addr_add+0x12f/0xa40 [ 5195.884833][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5195.884833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.884833][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.884833][ T903] netlink_unicast+0x449/0x710 [ 5195.884833][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.884833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.884833][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.884833][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.884833][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.884833][ T903] [ 5195.886994][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5195.886994][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5195.886994][ T903] ipv6_find_idev+0x102/0x170 [ 5195.886994][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.886994][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.886994][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.886994][ T903] netlink_unicast+0x449/0x710 [ 5195.886994][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.886994][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.886994][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.886994][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.886994][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.886994][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.886994][ T903] [ 5195.888713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5195.888713][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5195.888713][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5195.888713][ T903] ipv6_find_idev+0x102/0x170 [ 5195.888713][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5195.888713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5195.888713][ T903] netlink_rcv_skb+0x130/0x360 [ 5195.888713][ T903] netlink_unicast+0x449/0x710 [ 5195.888713][ T903] netlink_sendmsg+0x723/0xbe0 [ 5195.888713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5195.888713][ T903] ___sys_sendmsg+0xee/0x170 [ 5195.888713][ T903] __sys_sendmsg+0xcd/0x170 [ 5195.888713][ T903] do_syscall_64+0xc6/0x1e0 [ 5195.888713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5195.888713][ T903] [ 5206.141886][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5206.142519][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5206.142519][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5206.142519][ T903] ip6_validate_gw+0x3eb/0x790 [ 5206.142519][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5206.142519][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5206.142519][ T903] ip6_route_add+0x1c/0x140 [ 5206.142519][ T903] inet6_rtm_newroute+0x104/0x110 [ 5206.142519][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.142519][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.142519][ T903] netlink_unicast+0x449/0x710 [ 5206.142519][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.142519][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.142519][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.142519][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.142519][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.142519][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.142519][ T903] [ 5206.145920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5206.145920][ T903] netdev_get_by_index+0x5e/0x80 [ 5206.145920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5206.145920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5206.145920][ T903] ip6_route_add+0x1c/0x140 [ 5206.145920][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5206.145920][ T903] inet6_addr_add+0x4f8/0xa40 [ 5206.145920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.145920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.145920][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.145920][ T903] netlink_unicast+0x449/0x710 [ 5206.145920][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.145920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.145920][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.145920][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.145920][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.145920][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.145920][ T903] [ 5206.149561][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5206.149561][ T903] netdev_get_by_index+0x5e/0x80 [ 5206.149561][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5206.149561][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5206.149561][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5206.149561][ T903] ipv6_add_addr+0x411/0x2000 [ 5206.149561][ T903] inet6_addr_add+0x30e/0xa40 [ 5206.149561][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.149561][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.149561][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.149561][ T903] netlink_unicast+0x449/0x710 [ 5206.149561][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.149561][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.149561][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.149561][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.149561][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.149561][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.149561][ T903] [ 5206.153203][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5206.153203][ T903] netdev_get_by_index+0x5e/0x80 [ 5206.153203][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5206.153203][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5206.153203][ T903] ip6_route_add+0x1c/0x140 [ 5206.153203][ T903] addrconf_add_mroute+0x129/0x180 [ 5206.153203][ T903] addrconf_add_dev+0xe2/0x170 [ 5206.153203][ T903] inet6_addr_add+0x12f/0xa40 [ 5206.153203][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5206.153203][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.153203][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.153203][ T903] netlink_unicast+0x449/0x710 [ 5206.153203][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.153203][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.153203][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.153203][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.153203][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.153203][ T903] [ 5206.156771][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5206.156771][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5206.156771][ T903] ipv6_find_idev+0x102/0x170 [ 5206.156771][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.156771][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.156771][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.156771][ T903] netlink_unicast+0x449/0x710 [ 5206.156771][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.156771][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.156771][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.156771][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.156771][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.156771][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.156771][ T903] [ 5206.159569][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5206.159569][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5206.159569][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5206.159569][ T903] ipv6_find_idev+0x102/0x170 [ 5206.159569][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5206.159569][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5206.159569][ T903] netlink_rcv_skb+0x130/0x360 [ 5206.159569][ T903] netlink_unicast+0x449/0x710 [ 5206.159569][ T903] netlink_sendmsg+0x723/0xbe0 [ 5206.159569][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5206.159569][ T903] ___sys_sendmsg+0xee/0x170 [ 5206.159569][ T903] __sys_sendmsg+0xcd/0x170 [ 5206.159569][ T903] do_syscall_64+0xc6/0x1e0 [ 5206.159569][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5206.159569][ T903] [ 5216.413805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5216.414436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5216.414436][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5216.414436][ T903] ip6_validate_gw+0x3eb/0x790 [ 5216.414436][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5216.414436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5216.414436][ T903] ip6_route_add+0x1c/0x140 [ 5216.414436][ T903] inet6_rtm_newroute+0x104/0x110 [ 5216.414436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.414436][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.414436][ T903] netlink_unicast+0x449/0x710 [ 5216.414436][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.414436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.414436][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.414436][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.414436][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.414436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.414436][ T903] [ 5216.417856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5216.417856][ T903] netdev_get_by_index+0x5e/0x80 [ 5216.417856][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5216.417856][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5216.417856][ T903] ip6_route_add+0x1c/0x140 [ 5216.417856][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5216.417856][ T903] inet6_addr_add+0x4f8/0xa40 [ 5216.417856][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.417856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.417856][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.417856][ T903] netlink_unicast+0x449/0x710 [ 5216.417856][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.417856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.417856][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.417856][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.417856][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.417856][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.417856][ T903] [ 5216.421494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5216.421494][ T903] netdev_get_by_index+0x5e/0x80 [ 5216.421494][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5216.421494][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5216.421494][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5216.421494][ T903] ipv6_add_addr+0x411/0x2000 [ 5216.421494][ T903] inet6_addr_add+0x30e/0xa40 [ 5216.421494][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.421494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.421494][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.421494][ T903] netlink_unicast+0x449/0x710 [ 5216.421494][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.421494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.421494][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.421494][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.421494][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.421494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.421494][ T903] [ 5216.425151][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5216.425151][ T903] netdev_get_by_index+0x5e/0x80 [ 5216.425151][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5216.425151][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5216.425151][ T903] ip6_route_add+0x1c/0x140 [ 5216.425151][ T903] addrconf_add_mroute+0x129/0x180 [ 5216.425151][ T903] addrconf_add_dev+0xe2/0x170 [ 5216.425151][ T903] inet6_addr_add+0x12f/0xa40 [ 5216.425151][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5216.425151][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.425151][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.425151][ T903] netlink_unicast+0x449/0x710 [ 5216.425151][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.425151][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.425151][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.425151][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.425151][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.425151][ T903] [ 5216.428723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5216.428723][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5216.428723][ T903] ipv6_find_idev+0x102/0x170 [ 5216.428723][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.428723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.428723][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.428723][ T903] netlink_unicast+0x449/0x710 [ 5216.428723][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.428723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.428723][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.428723][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.428723][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.428723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.428723][ T903] [ 5216.431523][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5216.431523][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5216.431523][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5216.431523][ T903] ipv6_find_idev+0x102/0x170 [ 5216.431523][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5216.431523][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5216.431523][ T903] netlink_rcv_skb+0x130/0x360 [ 5216.431523][ T903] netlink_unicast+0x449/0x710 [ 5216.431523][ T903] netlink_sendmsg+0x723/0xbe0 [ 5216.431523][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5216.431523][ T903] ___sys_sendmsg+0xee/0x170 [ 5216.431523][ T903] __sys_sendmsg+0xcd/0x170 [ 5216.431523][ T903] do_syscall_64+0xc6/0x1e0 [ 5216.431523][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5216.431523][ T903] [ 5226.685800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5226.686375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5226.686375][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5226.686375][ T903] ip6_validate_gw+0x3eb/0x790 [ 5226.686375][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5226.686375][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5226.686375][ T903] ip6_route_add+0x1c/0x140 [ 5226.686375][ T903] inet6_rtm_newroute+0x104/0x110 [ 5226.686375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.686375][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.686375][ T903] netlink_unicast+0x449/0x710 [ 5226.686375][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.686375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.686375][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.686375][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.686375][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.686375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.686375][ T903] [ 5226.688517][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5226.688517][ T903] netdev_get_by_index+0x5e/0x80 [ 5226.688517][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5226.688517][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5226.688517][ T903] ip6_route_add+0x1c/0x140 [ 5226.688517][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5226.688517][ T903] inet6_addr_add+0x4f8/0xa40 [ 5226.688517][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.688517][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.688517][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.688517][ T903] netlink_unicast+0x449/0x710 [ 5226.688517][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.688517][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.688517][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.688517][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.688517][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.688517][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.688517][ T903] [ 5226.690740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5226.690740][ T903] netdev_get_by_index+0x5e/0x80 [ 5226.690740][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5226.690740][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5226.690740][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5226.690740][ T903] ipv6_add_addr+0x411/0x2000 [ 5226.690740][ T903] inet6_addr_add+0x30e/0xa40 [ 5226.690740][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.690740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.690740][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.690740][ T903] netlink_unicast+0x449/0x710 [ 5226.690740][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.690740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.690740][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.690740][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.690740][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.690740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.690740][ T903] [ 5226.692978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5226.692978][ T903] netdev_get_by_index+0x5e/0x80 [ 5226.692978][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5226.692978][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5226.692978][ T903] ip6_route_add+0x1c/0x140 [ 5226.692978][ T903] addrconf_add_mroute+0x129/0x180 [ 5226.692978][ T903] addrconf_add_dev+0xe2/0x170 [ 5226.692978][ T903] inet6_addr_add+0x12f/0xa40 [ 5226.692978][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5226.692978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.692978][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.692978][ T903] netlink_unicast+0x449/0x710 [ 5226.692978][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.692978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.692978][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.692978][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.692978][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.692978][ T903] [ 5226.695159][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5226.695159][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5226.695159][ T903] ipv6_find_idev+0x102/0x170 [ 5226.695159][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.695159][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.695159][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.695159][ T903] netlink_unicast+0x449/0x710 [ 5226.695159][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.695159][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.695159][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.695159][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.695159][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.695159][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.695159][ T903] [ 5226.696871][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5226.696871][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5226.696871][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5226.696871][ T903] ipv6_find_idev+0x102/0x170 [ 5226.696871][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5226.696871][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5226.696871][ T903] netlink_rcv_skb+0x130/0x360 [ 5226.696871][ T903] netlink_unicast+0x449/0x710 [ 5226.696871][ T903] netlink_sendmsg+0x723/0xbe0 [ 5226.696871][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5226.696871][ T903] ___sys_sendmsg+0xee/0x170 [ 5226.696871][ T903] __sys_sendmsg+0xcd/0x170 [ 5226.696871][ T903] do_syscall_64+0xc6/0x1e0 [ 5226.696871][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5226.696871][ T903] [ 5236.949807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5236.950348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5236.950348][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5236.950348][ T903] ip6_validate_gw+0x3eb/0x790 [ 5236.950348][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5236.950348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5236.950348][ T903] ip6_route_add+0x1c/0x140 [ 5236.950348][ T903] inet6_rtm_newroute+0x104/0x110 [ 5236.950348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.950348][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.950348][ T903] netlink_unicast+0x449/0x710 [ 5236.950348][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.950348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.950348][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.950348][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.950348][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.950348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.950348][ T903] [ 5236.952480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5236.952480][ T903] netdev_get_by_index+0x5e/0x80 [ 5236.952480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5236.952480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5236.952480][ T903] ip6_route_add+0x1c/0x140 [ 5236.952480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5236.952480][ T903] inet6_addr_add+0x4f8/0xa40 [ 5236.952480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.952480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.952480][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.952480][ T903] netlink_unicast+0x449/0x710 [ 5236.952480][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.952480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.952480][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.952480][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.952480][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.952480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.952480][ T903] [ 5236.954704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5236.954704][ T903] netdev_get_by_index+0x5e/0x80 [ 5236.954704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5236.954704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5236.954704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5236.954704][ T903] ipv6_add_addr+0x411/0x2000 [ 5236.954704][ T903] inet6_addr_add+0x30e/0xa40 [ 5236.954704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.954704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.954704][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.954704][ T903] netlink_unicast+0x449/0x710 [ 5236.954704][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.954704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.954704][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.954704][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.954704][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.954704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.954704][ T903] [ 5236.956928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5236.956928][ T903] netdev_get_by_index+0x5e/0x80 [ 5236.956928][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5236.956928][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5236.956928][ T903] ip6_route_add+0x1c/0x140 [ 5236.956928][ T903] addrconf_add_mroute+0x129/0x180 [ 5236.956928][ T903] addrconf_add_dev+0xe2/0x170 [ 5236.956928][ T903] inet6_addr_add+0x12f/0xa40 [ 5236.956928][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5236.956928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.956928][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.956928][ T903] netlink_unicast+0x449/0x710 [ 5236.956928][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.956928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.956928][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.956928][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.956928][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.956928][ T903] [ 5236.959129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5236.959129][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5236.959129][ T903] ipv6_find_idev+0x102/0x170 [ 5236.959129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.959129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.959129][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.959129][ T903] netlink_unicast+0x449/0x710 [ 5236.959129][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.959129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.959129][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.959129][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.959129][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.959129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.959129][ T903] [ 5236.960841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5236.960841][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5236.960841][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5236.960841][ T903] ipv6_find_idev+0x102/0x170 [ 5236.960841][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5236.960841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5236.960841][ T903] netlink_rcv_skb+0x130/0x360 [ 5236.960841][ T903] netlink_unicast+0x449/0x710 [ 5236.960841][ T903] netlink_sendmsg+0x723/0xbe0 [ 5236.960841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5236.960841][ T903] ___sys_sendmsg+0xee/0x170 [ 5236.960841][ T903] __sys_sendmsg+0xcd/0x170 [ 5236.960841][ T903] do_syscall_64+0xc6/0x1e0 [ 5236.960841][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5236.960841][ T903] [ 5247.213802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5247.214326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5247.214326][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5247.214326][ T903] ip6_validate_gw+0x3eb/0x790 [ 5247.214326][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5247.214326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5247.214326][ T903] ip6_route_add+0x1c/0x140 [ 5247.214326][ T903] inet6_rtm_newroute+0x104/0x110 [ 5247.214326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.214326][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.214326][ T903] netlink_unicast+0x449/0x710 [ 5247.214326][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.214326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.214326][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.214326][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.214326][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.214326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.214326][ T903] [ 5247.216541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5247.216541][ T903] netdev_get_by_index+0x5e/0x80 [ 5247.216541][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5247.216541][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5247.216541][ T903] ip6_route_add+0x1c/0x140 [ 5247.216541][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5247.216541][ T903] inet6_addr_add+0x4f8/0xa40 [ 5247.216541][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.216541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.216541][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.216541][ T903] netlink_unicast+0x449/0x710 [ 5247.216541][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.216541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.216541][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.216541][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.216541][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.216541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.216541][ T903] [ 5247.218754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5247.218754][ T903] netdev_get_by_index+0x5e/0x80 [ 5247.218754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5247.218754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5247.218754][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5247.218754][ T903] ipv6_add_addr+0x411/0x2000 [ 5247.218754][ T903] inet6_addr_add+0x30e/0xa40 [ 5247.218754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.218754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.218754][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.218754][ T903] netlink_unicast+0x449/0x710 [ 5247.218754][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.218754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.218754][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.218754][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.218754][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.218754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.218754][ T903] [ 5247.220942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5247.220942][ T903] netdev_get_by_index+0x5e/0x80 [ 5247.220942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5247.220942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5247.220942][ T903] ip6_route_add+0x1c/0x140 [ 5247.220942][ T903] addrconf_add_mroute+0x129/0x180 [ 5247.220942][ T903] addrconf_add_dev+0xe2/0x170 [ 5247.220942][ T903] inet6_addr_add+0x12f/0xa40 [ 5247.220942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5247.220942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.220942][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.220942][ T903] netlink_unicast+0x449/0x710 [ 5247.220942][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.220942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.220942][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.220942][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.220942][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.220942][ T903] [ 5247.223099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5247.223099][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5247.223099][ T903] ipv6_find_idev+0x102/0x170 [ 5247.223099][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.223099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.223099][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.223099][ T903] netlink_unicast+0x449/0x710 [ 5247.223099][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.223099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.223099][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.223099][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.223099][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.223099][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.223099][ T903] [ 5247.224783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5247.224783][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5247.224783][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5247.224783][ T903] ipv6_find_idev+0x102/0x170 [ 5247.224783][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5247.224783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5247.224783][ T903] netlink_rcv_skb+0x130/0x360 [ 5247.224783][ T903] netlink_unicast+0x449/0x710 [ 5247.224783][ T903] netlink_sendmsg+0x723/0xbe0 [ 5247.224783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5247.224783][ T903] ___sys_sendmsg+0xee/0x170 [ 5247.224783][ T903] __sys_sendmsg+0xcd/0x170 [ 5247.224783][ T903] do_syscall_64+0xc6/0x1e0 [ 5247.224783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5247.224783][ T903] [ 5257.477880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5257.478395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5257.478395][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5257.478395][ T903] ip6_validate_gw+0x3eb/0x790 [ 5257.478395][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5257.478395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5257.478395][ T903] ip6_route_add+0x1c/0x140 [ 5257.478395][ T903] inet6_rtm_newroute+0x104/0x110 [ 5257.478395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.478395][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.478395][ T903] netlink_unicast+0x449/0x710 [ 5257.478395][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.478395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.478395][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.478395][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.478395][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.478395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.478395][ T903] [ 5257.480510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5257.480510][ T903] netdev_get_by_index+0x5e/0x80 [ 5257.480510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5257.480510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5257.480510][ T903] ip6_route_add+0x1c/0x140 [ 5257.480510][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5257.480510][ T903] inet6_addr_add+0x4f8/0xa40 [ 5257.480510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.480510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.480510][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.480510][ T903] netlink_unicast+0x449/0x710 [ 5257.480510][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.480510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.480510][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.480510][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.480510][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.480510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.480510][ T903] [ 5257.482696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5257.482696][ T903] netdev_get_by_index+0x5e/0x80 [ 5257.482696][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5257.482696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5257.482696][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5257.482696][ T903] ipv6_add_addr+0x411/0x2000 [ 5257.482696][ T903] inet6_addr_add+0x30e/0xa40 [ 5257.482696][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.482696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.482696][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.482696][ T903] netlink_unicast+0x449/0x710 [ 5257.482696][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.482696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.482696][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.482696][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.482696][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.482696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.482696][ T903] [ 5257.484896][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5257.484896][ T903] netdev_get_by_index+0x5e/0x80 [ 5257.484896][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5257.484896][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5257.484896][ T903] ip6_route_add+0x1c/0x140 [ 5257.484896][ T903] addrconf_add_mroute+0x129/0x180 [ 5257.484896][ T903] addrconf_add_dev+0xe2/0x170 [ 5257.484896][ T903] inet6_addr_add+0x12f/0xa40 [ 5257.484896][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5257.484896][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.484896][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.484896][ T903] netlink_unicast+0x449/0x710 [ 5257.484896][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.484896][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.484896][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.484896][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.484896][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.484896][ T903] [ 5257.487059][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5257.487059][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5257.487059][ T903] ipv6_find_idev+0x102/0x170 [ 5257.487059][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.487059][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.487059][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.487059][ T903] netlink_unicast+0x449/0x710 [ 5257.487059][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.487059][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.487059][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.487059][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.487059][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.487059][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.487059][ T903] [ 5257.488758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5257.488758][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5257.488758][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5257.488758][ T903] ipv6_find_idev+0x102/0x170 [ 5257.488758][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5257.488758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5257.488758][ T903] netlink_rcv_skb+0x130/0x360 [ 5257.488758][ T903] netlink_unicast+0x449/0x710 [ 5257.488758][ T903] netlink_sendmsg+0x723/0xbe0 [ 5257.488758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5257.488758][ T903] ___sys_sendmsg+0xee/0x170 [ 5257.488758][ T903] __sys_sendmsg+0xcd/0x170 [ 5257.488758][ T903] do_syscall_64+0xc6/0x1e0 [ 5257.488758][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5257.488758][ T903] [ 5267.741827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5267.742337][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5267.742337][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5267.742337][ T903] ip6_validate_gw+0x3eb/0x790 [ 5267.742337][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5267.742337][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5267.742337][ T903] ip6_route_add+0x1c/0x140 [ 5267.742337][ T903] inet6_rtm_newroute+0x104/0x110 [ 5267.742337][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.742337][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.742337][ T903] netlink_unicast+0x449/0x710 [ 5267.742337][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.742337][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.742337][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.742337][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.742337][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.742337][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.742337][ T903] [ 5267.744429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5267.744429][ T903] netdev_get_by_index+0x5e/0x80 [ 5267.744429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5267.744429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5267.744429][ T903] ip6_route_add+0x1c/0x140 [ 5267.744429][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5267.744429][ T903] inet6_addr_add+0x4f8/0xa40 [ 5267.744429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.744429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.744429][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.744429][ T903] netlink_unicast+0x449/0x710 [ 5267.744429][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.744429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.744429][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.744429][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.744429][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.744429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.744429][ T903] [ 5267.746627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5267.746627][ T903] netdev_get_by_index+0x5e/0x80 [ 5267.746627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5267.746627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5267.746627][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5267.746627][ T903] ipv6_add_addr+0x411/0x2000 [ 5267.746627][ T903] inet6_addr_add+0x30e/0xa40 [ 5267.746627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.746627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.746627][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.746627][ T903] netlink_unicast+0x449/0x710 [ 5267.746627][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.746627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.746627][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.746627][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.746627][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.746627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.746627][ T903] [ 5267.748829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5267.748829][ T903] netdev_get_by_index+0x5e/0x80 [ 5267.748829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5267.748829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5267.748829][ T903] ip6_route_add+0x1c/0x140 [ 5267.748829][ T903] addrconf_add_mroute+0x129/0x180 [ 5267.748829][ T903] addrconf_add_dev+0xe2/0x170 [ 5267.748829][ T903] inet6_addr_add+0x12f/0xa40 [ 5267.748829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5267.748829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.748829][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.748829][ T903] netlink_unicast+0x449/0x710 [ 5267.748829][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.748829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.748829][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.748829][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.748829][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.748829][ T903] [ 5267.750982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5267.750982][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5267.750982][ T903] ipv6_find_idev+0x102/0x170 [ 5267.750982][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.750982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.750982][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.750982][ T903] netlink_unicast+0x449/0x710 [ 5267.750982][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.750982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.750982][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.750982][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.750982][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.750982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.750982][ T903] [ 5267.752668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5267.752668][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5267.752668][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5267.752668][ T903] ipv6_find_idev+0x102/0x170 [ 5267.752668][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5267.752668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5267.752668][ T903] netlink_rcv_skb+0x130/0x360 [ 5267.752668][ T903] netlink_unicast+0x449/0x710 [ 5267.752668][ T903] netlink_sendmsg+0x723/0xbe0 [ 5267.752668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5267.752668][ T903] ___sys_sendmsg+0xee/0x170 [ 5267.752668][ T903] __sys_sendmsg+0xcd/0x170 [ 5267.752668][ T903] do_syscall_64+0xc6/0x1e0 [ 5267.752668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5267.752668][ T903] [ 5277.997776][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5277.998303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5277.998303][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5277.998303][ T903] ip6_validate_gw+0x3eb/0x790 [ 5277.998303][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5277.998303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5277.998303][ T903] ip6_route_add+0x1c/0x140 [ 5277.998303][ T903] inet6_rtm_newroute+0x104/0x110 [ 5277.998303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5277.998303][ T903] netlink_rcv_skb+0x130/0x360 [ 5277.998303][ T903] netlink_unicast+0x449/0x710 [ 5277.998303][ T903] netlink_sendmsg+0x723/0xbe0 [ 5277.998303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5277.998303][ T903] ___sys_sendmsg+0xee/0x170 [ 5277.998303][ T903] __sys_sendmsg+0xcd/0x170 [ 5277.998303][ T903] do_syscall_64+0xc6/0x1e0 [ 5277.998303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5277.998303][ T903] [ 5278.000516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5278.000516][ T903] netdev_get_by_index+0x5e/0x80 [ 5278.000516][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5278.000516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5278.000516][ T903] ip6_route_add+0x1c/0x140 [ 5278.000516][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5278.000516][ T903] inet6_addr_add+0x4f8/0xa40 [ 5278.000516][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.000516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.000516][ T903] netlink_rcv_skb+0x130/0x360 [ 5278.000516][ T903] netlink_unicast+0x449/0x710 [ 5278.000516][ T903] netlink_sendmsg+0x723/0xbe0 [ 5278.000516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5278.000516][ T903] ___sys_sendmsg+0xee/0x170 [ 5278.000516][ T903] __sys_sendmsg+0xcd/0x170 [ 5278.000516][ T903] do_syscall_64+0xc6/0x1e0 [ 5278.000516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.000516][ T903] [ 5278.002728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5278.002728][ T903] netdev_get_by_index+0x5e/0x80 [ 5278.002728][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5278.002728][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5278.002728][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5278.002728][ T903] ipv6_add_addr+0x411/0x2000 [ 5278.002728][ T903] inet6_addr_add+0x30e/0xa40 [ 5278.002728][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.002728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.002728][ T903] netlink_rcv_skb+0x130/0x360 [ 5278.002728][ T903] netlink_unicast+0x449/0x710 [ 5278.002728][ T903] netlink_sendmsg+0x723/0xbe0 [ 5278.002728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5278.002728][ T903] ___sys_sendmsg+0xee/0x170 [ 5278.002728][ T903] __sys_sendmsg+0xcd/0x170 [ 5278.002728][ T903] do_syscall_64+0xc6/0x1e0 [ 5278.002728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.002728][ T903] [ 5278.004930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5278.004930][ T903] netdev_get_by_index+0x5e/0x80 [ 5278.004930][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5278.004930][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5278.004930][ T903] ip6_route_add+0x1c/0x140 [ 5278.004930][ T903] addrconf_add_mroute+0x129/0x180 [ 5278.004930][ T903] addrconf_add_dev+0xe2/0x170 [ 5278.004930][ T903] inet6_addr_add+0x12f/0xa40 [ 5278.004930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.004930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.004930][ T903] netlink_rcv_skb+0x130/0x360 [ 5278.004930][ T903] netlink_unicast+0x449/0x710 [ 5278.004930][ T903] netlink_sendmsg+0x723/0xbe0 [ 5278.004930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5278.004930][ T903] ___sys_sendmsg+0xee/0x170 [ 5278.004930][ T903] __sys_sendmsg+0xcd/0x170 [ 5278.004930][ T903] do_syscall_64+0xc6/0x1e0 [ 5278.004930][ T903] [ 5278.007100][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5278.007100][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5278.007100][ T903] ipv6_find_idev+0x102/0x170 [ 5278.007100][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.007100][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.007100][ T903] netlink_rcv_skb+0x130/0x360 [ 5278.007100][ T903] netlink_unicast+0x449/0x710 [ 5278.007100][ T903] netlink_sendmsg+0x723/0xbe0 [ 5278.007100][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5278.007100][ T903] ___sys_sendmsg+0xee/0x170 [ 5278.007100][ T903] __sys_sendmsg+0xcd/0x170 [ 5278.007100][ T903] do_syscall_64+0xc6/0x1e0 [ 5278.007100][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.007100][ T903] [ 5278.008807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5278.008807][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5278.008807][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5278.008807][ T903] ipv6_find_idev+0x102/0x170 [ 5278.008807][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.008807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.008807][ T903] netlink_rcv_skb+0x130/0x360 [ 5278.008807][ T903] netlink_unicast+0x449/0x710 [ 5278.008807][ T903] netlink_sendmsg+0x723/0xbe0 [ 5278.008807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5278.008807][ T903] ___sys_sendmsg+0xee/0x170 [ 5278.008807][ T903] __sys_sendmsg+0xcd/0x170 [ 5278.008807][ T903] do_syscall_64+0xc6/0x1e0 [ 5278.008807][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.008807][ T903] [ 5288.165869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5288.166377][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5288.166377][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5288.166377][ T903] ip6_validate_gw+0x3eb/0x790 [ 5288.166377][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5288.166377][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5288.166377][ T903] ip6_route_add+0x1c/0x140 [ 5288.166377][ T903] inet6_rtm_newroute+0x104/0x110 [ 5288.166377][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.166377][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.166377][ T903] netlink_unicast+0x449/0x710 [ 5288.166377][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.166377][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.166377][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.166377][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.166377][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.166377][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5288.166377][ T903] [ 5288.168502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5288.168502][ T903] netdev_get_by_index+0x5e/0x80 [ 5288.168502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5288.168502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5288.168502][ T903] ip6_route_add+0x1c/0x140 [ 5288.168502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5288.168502][ T903] inet6_addr_add+0x4f8/0xa40 [ 5288.168502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5288.168502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.168502][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.168502][ T903] netlink_unicast+0x449/0x710 [ 5288.168502][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.168502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.168502][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.168502][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.168502][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.168502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5288.168502][ T903] [ 5288.170694][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5288.170694][ T903] netdev_get_by_index+0x5e/0x80 [ 5288.170694][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5288.170694][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5288.170694][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5288.170694][ T903] ipv6_add_addr+0x411/0x2000 [ 5288.170694][ T903] inet6_addr_add+0x30e/0xa40 [ 5288.170694][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5288.170694][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.170694][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.170694][ T903] netlink_unicast+0x449/0x710 [ 5288.170694][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.170694][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.170694][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.170694][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.170694][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.170694][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5288.170694][ T903] [ 5288.172888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5288.172888][ T903] netdev_get_by_index+0x5e/0x80 [ 5288.172888][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5288.172888][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5288.172888][ T903] ip6_route_add+0x1c/0x140 [ 5288.172888][ T903] addrconf_add_mroute+0x129/0x180 [ 5288.172888][ T903] addrconf_add_dev+0xe2/0x170 [ 5288.172888][ T903] inet6_addr_add+0x12f/0xa40 [ 5288.172888][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5288.172888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.172888][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.172888][ T903] netlink_unicast+0x449/0x710 [ 5288.172888][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.172888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.172888][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.172888][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.172888][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.172888][ T903] [ 5288.175047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5288.175047][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5288.175047][ T903] ipv6_find_idev+0x102/0x170 [ 5288.175047][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5288.175047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.175047][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.175047][ T903] netlink_unicast+0x449/0x710 [ 5288.175047][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.175047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.175047][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.175047][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.175047][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.175047][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5288.175047][ T903] [ 5288.176733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5288.176733][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5288.176733][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5288.176733][ T903] ipv6_find_idev+0x102/0x170 [ 5288.176733][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5288.176733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5288.176733][ T903] netlink_rcv_skb+0x130/0x360 [ 5288.176733][ T903] netlink_unicast+0x449/0x710 [ 5288.176733][ T903] netlink_sendmsg+0x723/0xbe0 [ 5288.176733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5288.176733][ T903] ___sys_sendmsg+0xee/0x170 [ 5288.176733][ T903] __sys_sendmsg+0xcd/0x170 [ 5288.176733][ T903] do_syscall_64+0xc6/0x1e0 [ 5288.176733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5288.176733][ T903] [ 5298.413841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5298.414318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5298.414318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5298.414318][ T903] ip6_validate_gw+0x3eb/0x790 [ 5298.414318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5298.414318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5298.414318][ T903] ip6_route_add+0x1c/0x140 [ 5298.414318][ T903] inet6_rtm_newroute+0x104/0x110 [ 5298.414318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.414318][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.414318][ T903] netlink_unicast+0x449/0x710 [ 5298.414318][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.414318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.414318][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.414318][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.414318][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.414318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.414318][ T903] [ 5298.416419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5298.416419][ T903] netdev_get_by_index+0x5e/0x80 [ 5298.416419][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5298.416419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5298.416419][ T903] ip6_route_add+0x1c/0x140 [ 5298.416419][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5298.416419][ T903] inet6_addr_add+0x4f8/0xa40 [ 5298.416419][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.416419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.416419][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.416419][ T903] netlink_unicast+0x449/0x710 [ 5298.416419][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.416419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.416419][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.416419][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.416419][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.416419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.416419][ T903] [ 5298.418643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5298.418643][ T903] netdev_get_by_index+0x5e/0x80 [ 5298.418643][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5298.418643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5298.418643][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5298.418643][ T903] ipv6_add_addr+0x411/0x2000 [ 5298.418643][ T903] inet6_addr_add+0x30e/0xa40 [ 5298.418643][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.418643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.418643][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.418643][ T903] netlink_unicast+0x449/0x710 [ 5298.418643][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.418643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.418643][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.418643][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.418643][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.418643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.418643][ T903] [ 5298.420834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5298.420834][ T903] netdev_get_by_index+0x5e/0x80 [ 5298.420834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5298.420834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5298.420834][ T903] ip6_route_add+0x1c/0x140 [ 5298.420834][ T903] addrconf_add_mroute+0x129/0x180 [ 5298.420834][ T903] addrconf_add_dev+0xe2/0x170 [ 5298.420834][ T903] inet6_addr_add+0x12f/0xa40 [ 5298.420834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5298.420834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.420834][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.420834][ T903] netlink_unicast+0x449/0x710 [ 5298.420834][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.420834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.420834][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.420834][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.420834][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.420834][ T903] [ 5298.422961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5298.422961][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5298.422961][ T903] ipv6_find_idev+0x102/0x170 [ 5298.422961][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.422961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.422961][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.422961][ T903] netlink_unicast+0x449/0x710 [ 5298.422961][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.422961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.422961][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.422961][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.422961][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.422961][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.422961][ T903] [ 5298.424627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5298.424627][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5298.424627][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5298.424627][ T903] ipv6_find_idev+0x102/0x170 [ 5298.424627][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5298.424627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5298.424627][ T903] netlink_rcv_skb+0x130/0x360 [ 5298.424627][ T903] netlink_unicast+0x449/0x710 [ 5298.424627][ T903] netlink_sendmsg+0x723/0xbe0 [ 5298.424627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5298.424627][ T903] ___sys_sendmsg+0xee/0x170 [ 5298.424627][ T903] __sys_sendmsg+0xcd/0x170 [ 5298.424627][ T903] do_syscall_64+0xc6/0x1e0 [ 5298.424627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5298.424627][ T903] [ 5308.661802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5308.662328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5308.662328][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5308.662328][ T903] ip6_validate_gw+0x3eb/0x790 [ 5308.662328][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5308.662328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5308.662328][ T903] ip6_route_add+0x1c/0x140 [ 5308.662328][ T903] inet6_rtm_newroute+0x104/0x110 [ 5308.662328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.662328][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.662328][ T903] netlink_unicast+0x449/0x710 [ 5308.662328][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.662328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.662328][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.662328][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.662328][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.662328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.662328][ T903] [ 5308.664427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5308.664427][ T903] netdev_get_by_index+0x5e/0x80 [ 5308.664427][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5308.664427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5308.664427][ T903] ip6_route_add+0x1c/0x140 [ 5308.664427][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5308.664427][ T903] inet6_addr_add+0x4f8/0xa40 [ 5308.664427][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.664427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.664427][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.664427][ T903] netlink_unicast+0x449/0x710 [ 5308.664427][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.664427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.664427][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.664427][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.664427][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.664427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.664427][ T903] [ 5308.666633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5308.666633][ T903] netdev_get_by_index+0x5e/0x80 [ 5308.666633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5308.666633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5308.666633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5308.666633][ T903] ipv6_add_addr+0x411/0x2000 [ 5308.666633][ T903] inet6_addr_add+0x30e/0xa40 [ 5308.666633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.666633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.666633][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.666633][ T903] netlink_unicast+0x449/0x710 [ 5308.666633][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.666633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.666633][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.666633][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.666633][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.666633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.666633][ T903] [ 5308.668842][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5308.668842][ T903] netdev_get_by_index+0x5e/0x80 [ 5308.668842][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5308.668842][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5308.668842][ T903] ip6_route_add+0x1c/0x140 [ 5308.668842][ T903] addrconf_add_mroute+0x129/0x180 [ 5308.668842][ T903] addrconf_add_dev+0xe2/0x170 [ 5308.668842][ T903] inet6_addr_add+0x12f/0xa40 [ 5308.668842][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5308.668842][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.668842][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.668842][ T903] netlink_unicast+0x449/0x710 [ 5308.668842][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.668842][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.668842][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.668842][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.668842][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.668842][ T903] [ 5308.671006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5308.671006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5308.671006][ T903] ipv6_find_idev+0x102/0x170 [ 5308.671006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.671006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.671006][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.671006][ T903] netlink_unicast+0x449/0x710 [ 5308.671006][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.671006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.671006][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.671006][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.671006][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.671006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.671006][ T903] [ 5308.672700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5308.672700][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5308.672700][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5308.672700][ T903] ipv6_find_idev+0x102/0x170 [ 5308.672700][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5308.672700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5308.672700][ T903] netlink_rcv_skb+0x130/0x360 [ 5308.672700][ T903] netlink_unicast+0x449/0x710 [ 5308.672700][ T903] netlink_sendmsg+0x723/0xbe0 [ 5308.672700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5308.672700][ T903] ___sys_sendmsg+0xee/0x170 [ 5308.672700][ T903] __sys_sendmsg+0xcd/0x170 [ 5308.672700][ T903] do_syscall_64+0xc6/0x1e0 [ 5308.672700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5308.672700][ T903] [ 5318.909800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5318.910345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5318.910345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5318.910345][ T903] ip6_validate_gw+0x3eb/0x790 [ 5318.910345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5318.910345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5318.910345][ T903] ip6_route_add+0x1c/0x140 [ 5318.910345][ T903] inet6_rtm_newroute+0x104/0x110 [ 5318.910345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.910345][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.910345][ T903] netlink_unicast+0x449/0x710 [ 5318.910345][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.910345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.910345][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.910345][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.910345][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.910345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.910345][ T903] [ 5318.912452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5318.912452][ T903] netdev_get_by_index+0x5e/0x80 [ 5318.912452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5318.912452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5318.912452][ T903] ip6_route_add+0x1c/0x140 [ 5318.912452][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5318.912452][ T903] inet6_addr_add+0x4f8/0xa40 [ 5318.912452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.912452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.912452][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.912452][ T903] netlink_unicast+0x449/0x710 [ 5318.912452][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.912452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.912452][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.912452][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.912452][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.912452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.912452][ T903] [ 5318.914656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5318.914656][ T903] netdev_get_by_index+0x5e/0x80 [ 5318.914656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5318.914656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5318.914656][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5318.914656][ T903] ipv6_add_addr+0x411/0x2000 [ 5318.914656][ T903] inet6_addr_add+0x30e/0xa40 [ 5318.914656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.914656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.914656][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.914656][ T903] netlink_unicast+0x449/0x710 [ 5318.914656][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.914656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.914656][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.914656][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.914656][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.914656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.914656][ T903] [ 5318.916856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5318.916856][ T903] netdev_get_by_index+0x5e/0x80 [ 5318.916856][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5318.916856][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5318.916856][ T903] ip6_route_add+0x1c/0x140 [ 5318.916856][ T903] addrconf_add_mroute+0x129/0x180 [ 5318.916856][ T903] addrconf_add_dev+0xe2/0x170 [ 5318.916856][ T903] inet6_addr_add+0x12f/0xa40 [ 5318.916856][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5318.916856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.916856][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.916856][ T903] netlink_unicast+0x449/0x710 [ 5318.916856][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.916856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.916856][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.916856][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.916856][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.916856][ T903] [ 5318.919027][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5318.919027][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5318.919027][ T903] ipv6_find_idev+0x102/0x170 [ 5318.919027][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.919027][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.919027][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.919027][ T903] netlink_unicast+0x449/0x710 [ 5318.919027][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.919027][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.919027][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.919027][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.919027][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.919027][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.919027][ T903] [ 5318.920718][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5318.920718][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5318.920718][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5318.920718][ T903] ipv6_find_idev+0x102/0x170 [ 5318.920718][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5318.920718][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5318.920718][ T903] netlink_rcv_skb+0x130/0x360 [ 5318.920718][ T903] netlink_unicast+0x449/0x710 [ 5318.920718][ T903] netlink_sendmsg+0x723/0xbe0 [ 5318.920718][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5318.920718][ T903] ___sys_sendmsg+0xee/0x170 [ 5318.920718][ T903] __sys_sendmsg+0xcd/0x170 [ 5318.920718][ T903] do_syscall_64+0xc6/0x1e0 [ 5318.920718][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5318.920718][ T903] [ 5329.157745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5329.158260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5329.158260][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5329.158260][ T903] ip6_validate_gw+0x3eb/0x790 [ 5329.158260][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5329.158260][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5329.158260][ T903] ip6_route_add+0x1c/0x140 [ 5329.158260][ T903] inet6_rtm_newroute+0x104/0x110 [ 5329.158260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.158260][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.158260][ T903] netlink_unicast+0x449/0x710 [ 5329.158260][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.158260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.158260][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.158260][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.158260][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.158260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.158260][ T903] [ 5329.160378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5329.160378][ T903] netdev_get_by_index+0x5e/0x80 [ 5329.160378][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5329.160378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5329.160378][ T903] ip6_route_add+0x1c/0x140 [ 5329.160378][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5329.160378][ T903] inet6_addr_add+0x4f8/0xa40 [ 5329.160378][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.160378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.160378][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.160378][ T903] netlink_unicast+0x449/0x710 [ 5329.160378][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.160378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.160378][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.160378][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.160378][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.160378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.160378][ T903] [ 5329.162574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5329.162574][ T903] netdev_get_by_index+0x5e/0x80 [ 5329.162574][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5329.162574][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5329.162574][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5329.162574][ T903] ipv6_add_addr+0x411/0x2000 [ 5329.162574][ T903] inet6_addr_add+0x30e/0xa40 [ 5329.162574][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.162574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.162574][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.162574][ T903] netlink_unicast+0x449/0x710 [ 5329.162574][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.162574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.162574][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.162574][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.162574][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.162574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.162574][ T903] [ 5329.164772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5329.164772][ T903] netdev_get_by_index+0x5e/0x80 [ 5329.164772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5329.164772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5329.164772][ T903] ip6_route_add+0x1c/0x140 [ 5329.164772][ T903] addrconf_add_mroute+0x129/0x180 [ 5329.164772][ T903] addrconf_add_dev+0xe2/0x170 [ 5329.164772][ T903] inet6_addr_add+0x12f/0xa40 [ 5329.164772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.164772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.164772][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.164772][ T903] netlink_unicast+0x449/0x710 [ 5329.164772][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.164772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.164772][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.164772][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.164772][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.164772][ T903] [ 5329.166935][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5329.166935][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5329.166935][ T903] ipv6_find_idev+0x102/0x170 [ 5329.166935][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.166935][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.166935][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.166935][ T903] netlink_unicast+0x449/0x710 [ 5329.166935][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.166935][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.166935][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.166935][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.166935][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.166935][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.166935][ T903] [ 5329.168639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5329.168639][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5329.168639][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5329.168639][ T903] ipv6_find_idev+0x102/0x170 [ 5329.168639][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.168639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.168639][ T903] netlink_rcv_skb+0x130/0x360 [ 5329.168639][ T903] netlink_unicast+0x449/0x710 [ 5329.168639][ T903] netlink_sendmsg+0x723/0xbe0 [ 5329.168639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5329.168639][ T903] ___sys_sendmsg+0xee/0x170 [ 5329.168639][ T903] __sys_sendmsg+0xcd/0x170 [ 5329.168639][ T903] do_syscall_64+0xc6/0x1e0 [ 5329.168639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.168639][ T903] [ 5339.277737][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5339.278270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5339.278270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5339.278270][ T903] ip6_validate_gw+0x3eb/0x790 [ 5339.278270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5339.278270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5339.278270][ T903] ip6_route_add+0x1c/0x140 [ 5339.278270][ T903] inet6_rtm_newroute+0x104/0x110 [ 5339.278270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.278270][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.278270][ T903] netlink_unicast+0x449/0x710 [ 5339.278270][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.278270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.278270][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.278270][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.278270][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.278270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.278270][ T903] [ 5339.280404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5339.280404][ T903] netdev_get_by_index+0x5e/0x80 [ 5339.280404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5339.280404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5339.280404][ T903] ip6_route_add+0x1c/0x140 [ 5339.280404][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5339.280404][ T903] inet6_addr_add+0x4f8/0xa40 [ 5339.280404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.280404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.280404][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.280404][ T903] netlink_unicast+0x449/0x710 [ 5339.280404][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.280404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.280404][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.280404][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.280404][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.280404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.280404][ T903] [ 5339.282630][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5339.282630][ T903] netdev_get_by_index+0x5e/0x80 [ 5339.282630][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5339.282630][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5339.282630][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5339.282630][ T903] ipv6_add_addr+0x411/0x2000 [ 5339.282630][ T903] inet6_addr_add+0x30e/0xa40 [ 5339.282630][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.282630][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.282630][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.282630][ T903] netlink_unicast+0x449/0x710 [ 5339.282630][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.282630][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.282630][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.282630][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.282630][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.282630][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.282630][ T903] [ 5339.284870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5339.284870][ T903] netdev_get_by_index+0x5e/0x80 [ 5339.284870][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5339.284870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5339.284870][ T903] ip6_route_add+0x1c/0x140 [ 5339.284870][ T903] addrconf_add_mroute+0x129/0x180 [ 5339.284870][ T903] addrconf_add_dev+0xe2/0x170 [ 5339.284870][ T903] inet6_addr_add+0x12f/0xa40 [ 5339.284870][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5339.284870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.284870][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.284870][ T903] netlink_unicast+0x449/0x710 [ 5339.284870][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.284870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.284870][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.284870][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.284870][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.284870][ T903] [ 5339.287057][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5339.287057][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5339.287057][ T903] ipv6_find_idev+0x102/0x170 [ 5339.287057][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.287057][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.287057][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.287057][ T903] netlink_unicast+0x449/0x710 [ 5339.287057][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.287057][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.287057][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.287057][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.287057][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.287057][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.287057][ T903] [ 5339.288785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5339.288785][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5339.288785][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5339.288785][ T903] ipv6_find_idev+0x102/0x170 [ 5339.288785][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5339.288785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5339.288785][ T903] netlink_rcv_skb+0x130/0x360 [ 5339.288785][ T903] netlink_unicast+0x449/0x710 [ 5339.288785][ T903] netlink_sendmsg+0x723/0xbe0 [ 5339.288785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5339.288785][ T903] ___sys_sendmsg+0xee/0x170 [ 5339.288785][ T903] __sys_sendmsg+0xcd/0x170 [ 5339.288785][ T903] do_syscall_64+0xc6/0x1e0 [ 5339.288785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5339.288785][ T903] [ 5349.453802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5349.454348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5349.454348][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5349.454348][ T903] ip6_validate_gw+0x3eb/0x790 [ 5349.454348][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5349.454348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5349.454348][ T903] ip6_route_add+0x1c/0x140 [ 5349.454348][ T903] inet6_rtm_newroute+0x104/0x110 [ 5349.454348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.454348][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.454348][ T903] netlink_unicast+0x449/0x710 [ 5349.454348][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.454348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.454348][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.454348][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.454348][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.454348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.454348][ T903] [ 5349.456474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5349.456474][ T903] netdev_get_by_index+0x5e/0x80 [ 5349.456474][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5349.456474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5349.456474][ T903] ip6_route_add+0x1c/0x140 [ 5349.456474][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5349.456474][ T903] inet6_addr_add+0x4f8/0xa40 [ 5349.456474][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.456474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.456474][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.456474][ T903] netlink_unicast+0x449/0x710 [ 5349.456474][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.456474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.456474][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.456474][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.456474][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.456474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.456474][ T903] [ 5349.459224][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5349.459224][ T903] netdev_get_by_index+0x5e/0x80 [ 5349.459224][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5349.459224][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5349.459224][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5349.459224][ T903] ipv6_add_addr+0x411/0x2000 [ 5349.459224][ T903] inet6_addr_add+0x30e/0xa40 [ 5349.459224][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.459224][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.459224][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.459224][ T903] netlink_unicast+0x449/0x710 [ 5349.459224][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.459224][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.459224][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.459224][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.459224][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.459224][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.459224][ T903] [ 5349.461440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5349.461440][ T903] netdev_get_by_index+0x5e/0x80 [ 5349.461440][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5349.461440][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5349.461440][ T903] ip6_route_add+0x1c/0x140 [ 5349.461440][ T903] addrconf_add_mroute+0x129/0x180 [ 5349.461440][ T903] addrconf_add_dev+0xe2/0x170 [ 5349.461440][ T903] inet6_addr_add+0x12f/0xa40 [ 5349.461440][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5349.461440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.461440][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.461440][ T903] netlink_unicast+0x449/0x710 [ 5349.461440][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.461440][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.461440][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.461440][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.461440][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.461440][ T903] [ 5349.463630][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5349.463630][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5349.463630][ T903] ipv6_find_idev+0x102/0x170 [ 5349.463630][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.463630][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.463630][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.463630][ T903] netlink_unicast+0x449/0x710 [ 5349.463630][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.463630][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.463630][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.463630][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.463630][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.463630][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.463630][ T903] [ 5349.465338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5349.465338][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5349.465338][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5349.465338][ T903] ipv6_find_idev+0x102/0x170 [ 5349.465338][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5349.465338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5349.465338][ T903] netlink_rcv_skb+0x130/0x360 [ 5349.465338][ T903] netlink_unicast+0x449/0x710 [ 5349.465338][ T903] netlink_sendmsg+0x723/0xbe0 [ 5349.465338][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5349.465338][ T903] ___sys_sendmsg+0xee/0x170 [ 5349.465338][ T903] __sys_sendmsg+0xcd/0x170 [ 5349.465338][ T903] do_syscall_64+0xc6/0x1e0 [ 5349.465338][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5349.465338][ T903] [ 5359.709809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5359.710333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5359.710333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5359.710333][ T903] ip6_validate_gw+0x3eb/0x790 [ 5359.710333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5359.710333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5359.710333][ T903] ip6_route_add+0x1c/0x140 [ 5359.710333][ T903] inet6_rtm_newroute+0x104/0x110 [ 5359.710333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.710333][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.710333][ T903] netlink_unicast+0x449/0x710 [ 5359.710333][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.710333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.710333][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.710333][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.710333][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.710333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.710333][ T903] [ 5359.712434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5359.712434][ T903] netdev_get_by_index+0x5e/0x80 [ 5359.712434][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5359.712434][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5359.712434][ T903] ip6_route_add+0x1c/0x140 [ 5359.712434][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5359.712434][ T903] inet6_addr_add+0x4f8/0xa40 [ 5359.712434][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.712434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.712434][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.712434][ T903] netlink_unicast+0x449/0x710 [ 5359.712434][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.712434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.712434][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.712434][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.712434][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.712434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.712434][ T903] [ 5359.714644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5359.714644][ T903] netdev_get_by_index+0x5e/0x80 [ 5359.714644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5359.714644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5359.714644][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5359.714644][ T903] ipv6_add_addr+0x411/0x2000 [ 5359.714644][ T903] inet6_addr_add+0x30e/0xa40 [ 5359.714644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.714644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.714644][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.714644][ T903] netlink_unicast+0x449/0x710 [ 5359.714644][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.714644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.714644][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.714644][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.714644][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.714644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.714644][ T903] [ 5359.716883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5359.716883][ T903] netdev_get_by_index+0x5e/0x80 [ 5359.716883][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5359.716883][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5359.716883][ T903] ip6_route_add+0x1c/0x140 [ 5359.716883][ T903] addrconf_add_mroute+0x129/0x180 [ 5359.716883][ T903] addrconf_add_dev+0xe2/0x170 [ 5359.716883][ T903] inet6_addr_add+0x12f/0xa40 [ 5359.716883][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5359.716883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.716883][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.716883][ T903] netlink_unicast+0x449/0x710 [ 5359.716883][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.716883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.716883][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.716883][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.716883][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.716883][ T903] [ 5359.719749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5359.719749][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5359.719749][ T903] ipv6_find_idev+0x102/0x170 [ 5359.719749][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.719749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.719749][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.719749][ T903] netlink_unicast+0x449/0x710 [ 5359.719749][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.719749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.719749][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.719749][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.719749][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.719749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.719749][ T903] [ 5359.721457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5359.721457][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5359.721457][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5359.721457][ T903] ipv6_find_idev+0x102/0x170 [ 5359.721457][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5359.721457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5359.721457][ T903] netlink_rcv_skb+0x130/0x360 [ 5359.721457][ T903] netlink_unicast+0x449/0x710 [ 5359.721457][ T903] netlink_sendmsg+0x723/0xbe0 [ 5359.721457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5359.721457][ T903] ___sys_sendmsg+0xee/0x170 [ 5359.721457][ T903] __sys_sendmsg+0xcd/0x170 [ 5359.721457][ T903] do_syscall_64+0xc6/0x1e0 [ 5359.721457][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5359.721457][ T903] [ 5369.869823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5369.870278][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5369.870278][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5369.870278][ T903] ip6_validate_gw+0x3eb/0x790 [ 5369.870278][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5369.870278][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5369.870278][ T903] ip6_route_add+0x1c/0x140 [ 5369.870278][ T903] inet6_rtm_newroute+0x104/0x110 [ 5369.870278][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.870278][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.870278][ T903] netlink_unicast+0x449/0x710 [ 5369.870278][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.870278][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.870278][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.870278][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.870278][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.870278][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.870278][ T903] [ 5369.872500][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5369.872500][ T903] netdev_get_by_index+0x5e/0x80 [ 5369.872500][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5369.872500][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5369.872500][ T903] ip6_route_add+0x1c/0x140 [ 5369.872500][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5369.872500][ T903] inet6_addr_add+0x4f8/0xa40 [ 5369.872500][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.872500][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.872500][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.872500][ T903] netlink_unicast+0x449/0x710 [ 5369.872500][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.872500][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.872500][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.872500][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.872500][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.872500][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.872500][ T903] [ 5369.874702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5369.874702][ T903] netdev_get_by_index+0x5e/0x80 [ 5369.874702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5369.874702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5369.874702][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5369.874702][ T903] ipv6_add_addr+0x411/0x2000 [ 5369.874702][ T903] inet6_addr_add+0x30e/0xa40 [ 5369.874702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.874702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.874702][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.874702][ T903] netlink_unicast+0x449/0x710 [ 5369.874702][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.874702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.874702][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.874702][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.874702][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.874702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.874702][ T903] [ 5369.876905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5369.876905][ T903] netdev_get_by_index+0x5e/0x80 [ 5369.876905][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5369.876905][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5369.876905][ T903] ip6_route_add+0x1c/0x140 [ 5369.876905][ T903] addrconf_add_mroute+0x129/0x180 [ 5369.876905][ T903] addrconf_add_dev+0xe2/0x170 [ 5369.876905][ T903] inet6_addr_add+0x12f/0xa40 [ 5369.876905][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5369.876905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.876905][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.876905][ T903] netlink_unicast+0x449/0x710 [ 5369.876905][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.876905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.876905][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.876905][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.876905][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.876905][ T903] [ 5369.879079][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5369.879079][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5369.879079][ T903] ipv6_find_idev+0x102/0x170 [ 5369.879079][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.879079][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.879079][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.879079][ T903] netlink_unicast+0x449/0x710 [ 5369.879079][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.879079][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.879079][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.879079][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.879079][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.879079][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.879079][ T903] [ 5369.880775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5369.880775][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5369.880775][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5369.880775][ T903] ipv6_find_idev+0x102/0x170 [ 5369.880775][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5369.880775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5369.880775][ T903] netlink_rcv_skb+0x130/0x360 [ 5369.880775][ T903] netlink_unicast+0x449/0x710 [ 5369.880775][ T903] netlink_sendmsg+0x723/0xbe0 [ 5369.880775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5369.880775][ T903] ___sys_sendmsg+0xee/0x170 [ 5369.880775][ T903] __sys_sendmsg+0xcd/0x170 [ 5369.880775][ T903] do_syscall_64+0xc6/0x1e0 [ 5369.880775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5369.880775][ T903] [ 5380.125811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5380.126264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5380.126264][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5380.126264][ T903] ip6_validate_gw+0x3eb/0x790 [ 5380.126264][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5380.126264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5380.126264][ T903] ip6_route_add+0x1c/0x140 [ 5380.126264][ T903] inet6_rtm_newroute+0x104/0x110 [ 5380.126264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.126264][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.126264][ T903] netlink_unicast+0x449/0x710 [ 5380.126264][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.126264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.126264][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.126264][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.126264][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.126264][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.126264][ T903] [ 5380.129052][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5380.129052][ T903] netdev_get_by_index+0x5e/0x80 [ 5380.129052][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5380.129052][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5380.129052][ T903] ip6_route_add+0x1c/0x140 [ 5380.129052][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5380.129052][ T903] inet6_addr_add+0x4f8/0xa40 [ 5380.129052][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.129052][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.129052][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.129052][ T903] netlink_unicast+0x449/0x710 [ 5380.129052][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.129052][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.129052][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.129052][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.129052][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.129052][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.129052][ T903] [ 5380.131253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5380.131253][ T903] netdev_get_by_index+0x5e/0x80 [ 5380.131253][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5380.131253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5380.131253][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5380.131253][ T903] ipv6_add_addr+0x411/0x2000 [ 5380.131253][ T903] inet6_addr_add+0x30e/0xa40 [ 5380.131253][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.131253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.131253][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.131253][ T903] netlink_unicast+0x449/0x710 [ 5380.131253][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.131253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.131253][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.131253][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.131253][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.131253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.131253][ T903] [ 5380.133442][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5380.133442][ T903] netdev_get_by_index+0x5e/0x80 [ 5380.133442][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5380.133442][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5380.133442][ T903] ip6_route_add+0x1c/0x140 [ 5380.133442][ T903] addrconf_add_mroute+0x129/0x180 [ 5380.133442][ T903] addrconf_add_dev+0xe2/0x170 [ 5380.133442][ T903] inet6_addr_add+0x12f/0xa40 [ 5380.133442][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.133442][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.133442][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.133442][ T903] netlink_unicast+0x449/0x710 [ 5380.133442][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.133442][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.133442][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.133442][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.133442][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.133442][ T903] [ 5380.135608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5380.135608][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5380.135608][ T903] ipv6_find_idev+0x102/0x170 [ 5380.135608][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.135608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.135608][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.135608][ T903] netlink_unicast+0x449/0x710 [ 5380.135608][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.135608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.135608][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.135608][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.135608][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.135608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.135608][ T903] [ 5380.137304][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5380.137304][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5380.137304][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5380.137304][ T903] ipv6_find_idev+0x102/0x170 [ 5380.137304][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.137304][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.137304][ T903] netlink_rcv_skb+0x130/0x360 [ 5380.137304][ T903] netlink_unicast+0x449/0x710 [ 5380.137304][ T903] netlink_sendmsg+0x723/0xbe0 [ 5380.137304][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5380.137304][ T903] ___sys_sendmsg+0xee/0x170 [ 5380.137304][ T903] __sys_sendmsg+0xcd/0x170 [ 5380.137304][ T903] do_syscall_64+0xc6/0x1e0 [ 5380.137304][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.137304][ T903] [ 5390.381824][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5390.382339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5390.382339][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5390.382339][ T903] ip6_validate_gw+0x3eb/0x790 [ 5390.382339][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5390.382339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5390.382339][ T903] ip6_route_add+0x1c/0x140 [ 5390.382339][ T903] inet6_rtm_newroute+0x104/0x110 [ 5390.382339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.382339][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.382339][ T903] netlink_unicast+0x449/0x710 [ 5390.382339][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.382339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.382339][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.382339][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.382339][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.382339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.382339][ T903] [ 5390.384428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5390.384428][ T903] netdev_get_by_index+0x5e/0x80 [ 5390.384428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5390.384428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5390.384428][ T903] ip6_route_add+0x1c/0x140 [ 5390.384428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5390.384428][ T903] inet6_addr_add+0x4f8/0xa40 [ 5390.384428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.384428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.384428][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.384428][ T903] netlink_unicast+0x449/0x710 [ 5390.384428][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.384428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.384428][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.384428][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.384428][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.384428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.384428][ T903] [ 5390.386633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5390.386633][ T903] netdev_get_by_index+0x5e/0x80 [ 5390.386633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5390.386633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5390.386633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5390.386633][ T903] ipv6_add_addr+0x411/0x2000 [ 5390.386633][ T903] inet6_addr_add+0x30e/0xa40 [ 5390.386633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.386633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.386633][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.386633][ T903] netlink_unicast+0x449/0x710 [ 5390.386633][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.386633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.386633][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.386633][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.386633][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.386633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.386633][ T903] [ 5390.388851][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5390.388851][ T903] netdev_get_by_index+0x5e/0x80 [ 5390.388851][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5390.388851][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5390.388851][ T903] ip6_route_add+0x1c/0x140 [ 5390.388851][ T903] addrconf_add_mroute+0x129/0x180 [ 5390.388851][ T903] addrconf_add_dev+0xe2/0x170 [ 5390.388851][ T903] inet6_addr_add+0x12f/0xa40 [ 5390.388851][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5390.388851][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.388851][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.388851][ T903] netlink_unicast+0x449/0x710 [ 5390.388851][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.388851][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.388851][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.388851][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.388851][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.388851][ T903] [ 5390.391012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5390.391012][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5390.391012][ T903] ipv6_find_idev+0x102/0x170 [ 5390.391012][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.391012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.391012][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.391012][ T903] netlink_unicast+0x449/0x710 [ 5390.391012][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.391012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.391012][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.391012][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.391012][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.391012][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.391012][ T903] [ 5390.392703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5390.392703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5390.392703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5390.392703][ T903] ipv6_find_idev+0x102/0x170 [ 5390.392703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5390.392703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5390.392703][ T903] netlink_rcv_skb+0x130/0x360 [ 5390.392703][ T903] netlink_unicast+0x449/0x710 [ 5390.392703][ T903] netlink_sendmsg+0x723/0xbe0 [ 5390.392703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5390.392703][ T903] ___sys_sendmsg+0xee/0x170 [ 5390.392703][ T903] __sys_sendmsg+0xcd/0x170 [ 5390.392703][ T903] do_syscall_64+0xc6/0x1e0 [ 5390.392703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5390.392703][ T903] [ 5400.645794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5400.646256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5400.646256][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5400.646256][ T903] ip6_validate_gw+0x3eb/0x790 [ 5400.646256][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5400.646256][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5400.646256][ T903] ip6_route_add+0x1c/0x140 [ 5400.646256][ T903] inet6_rtm_newroute+0x104/0x110 [ 5400.646256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.646256][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.646256][ T903] netlink_unicast+0x449/0x710 [ 5400.646256][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.646256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.646256][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.646256][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.646256][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.646256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.646256][ T903] [ 5400.648390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5400.648390][ T903] netdev_get_by_index+0x5e/0x80 [ 5400.648390][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5400.648390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5400.648390][ T903] ip6_route_add+0x1c/0x140 [ 5400.648390][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5400.648390][ T903] inet6_addr_add+0x4f8/0xa40 [ 5400.648390][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.648390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.648390][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.648390][ T903] netlink_unicast+0x449/0x710 [ 5400.648390][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.648390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.648390][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.648390][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.648390][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.648390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.648390][ T903] [ 5400.650594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5400.650594][ T903] netdev_get_by_index+0x5e/0x80 [ 5400.650594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5400.650594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5400.650594][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5400.650594][ T903] ipv6_add_addr+0x411/0x2000 [ 5400.650594][ T903] inet6_addr_add+0x30e/0xa40 [ 5400.650594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.650594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.650594][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.650594][ T903] netlink_unicast+0x449/0x710 [ 5400.650594][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.650594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.650594][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.650594][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.650594][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.650594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.650594][ T903] [ 5400.652820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5400.652820][ T903] netdev_get_by_index+0x5e/0x80 [ 5400.652820][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5400.652820][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5400.652820][ T903] ip6_route_add+0x1c/0x140 [ 5400.652820][ T903] addrconf_add_mroute+0x129/0x180 [ 5400.652820][ T903] addrconf_add_dev+0xe2/0x170 [ 5400.652820][ T903] inet6_addr_add+0x12f/0xa40 [ 5400.652820][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5400.652820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.652820][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.652820][ T903] netlink_unicast+0x449/0x710 [ 5400.652820][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.652820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.652820][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.652820][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.652820][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.652820][ T903] [ 5400.654912][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5400.654912][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5400.654912][ T903] ipv6_find_idev+0x102/0x170 [ 5400.654912][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.654912][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.654912][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.654912][ T903] netlink_unicast+0x449/0x710 [ 5400.654912][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.654912][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.654912][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.654912][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.654912][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.654912][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.654912][ T903] [ 5400.656585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5400.656585][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5400.656585][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5400.656585][ T903] ipv6_find_idev+0x102/0x170 [ 5400.656585][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5400.656585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5400.656585][ T903] netlink_rcv_skb+0x130/0x360 [ 5400.656585][ T903] netlink_unicast+0x449/0x710 [ 5400.656585][ T903] netlink_sendmsg+0x723/0xbe0 [ 5400.656585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5400.656585][ T903] ___sys_sendmsg+0xee/0x170 [ 5400.656585][ T903] __sys_sendmsg+0xcd/0x170 [ 5400.656585][ T903] do_syscall_64+0xc6/0x1e0 [ 5400.656585][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5400.656585][ T903] [ 5410.909806][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5410.910269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5410.910269][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5410.910269][ T903] ip6_validate_gw+0x3eb/0x790 [ 5410.910269][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5410.910269][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5410.910269][ T903] ip6_route_add+0x1c/0x140 [ 5410.910269][ T903] inet6_rtm_newroute+0x104/0x110 [ 5410.910269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.910269][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.910269][ T903] netlink_unicast+0x449/0x710 [ 5410.910269][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.910269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.910269][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.910269][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.910269][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.910269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5410.910269][ T903] [ 5410.912898][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5410.912898][ T903] netdev_get_by_index+0x5e/0x80 [ 5410.912898][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5410.912898][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5410.912898][ T903] ip6_route_add+0x1c/0x140 [ 5410.912898][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5410.912898][ T903] inet6_addr_add+0x4f8/0xa40 [ 5410.912898][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5410.912898][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.912898][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.912898][ T903] netlink_unicast+0x449/0x710 [ 5410.912898][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.912898][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.912898][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.912898][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.912898][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.912898][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5410.912898][ T903] [ 5410.915092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5410.915092][ T903] netdev_get_by_index+0x5e/0x80 [ 5410.915092][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5410.915092][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5410.915092][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5410.915092][ T903] ipv6_add_addr+0x411/0x2000 [ 5410.915092][ T903] inet6_addr_add+0x30e/0xa40 [ 5410.915092][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5410.915092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.915092][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.915092][ T903] netlink_unicast+0x449/0x710 [ 5410.915092][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.915092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.915092][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.915092][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.915092][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.915092][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5410.915092][ T903] [ 5410.917297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5410.917297][ T903] netdev_get_by_index+0x5e/0x80 [ 5410.917297][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5410.917297][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5410.917297][ T903] ip6_route_add+0x1c/0x140 [ 5410.917297][ T903] addrconf_add_mroute+0x129/0x180 [ 5410.917297][ T903] addrconf_add_dev+0xe2/0x170 [ 5410.917297][ T903] inet6_addr_add+0x12f/0xa40 [ 5410.917297][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5410.917297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.917297][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.917297][ T903] netlink_unicast+0x449/0x710 [ 5410.917297][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.917297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.917297][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.917297][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.917297][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.917297][ T903] [ 5410.919449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5410.919449][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5410.919449][ T903] ipv6_find_idev+0x102/0x170 [ 5410.919449][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5410.919449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.919449][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.919449][ T903] netlink_unicast+0x449/0x710 [ 5410.919449][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.919449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.919449][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.919449][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.919449][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.919449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5410.919449][ T903] [ 5410.921134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5410.921134][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5410.921134][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5410.921134][ T903] ipv6_find_idev+0x102/0x170 [ 5410.921134][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5410.921134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5410.921134][ T903] netlink_rcv_skb+0x130/0x360 [ 5410.921134][ T903] netlink_unicast+0x449/0x710 [ 5410.921134][ T903] netlink_sendmsg+0x723/0xbe0 [ 5410.921134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5410.921134][ T903] ___sys_sendmsg+0xee/0x170 [ 5410.921134][ T903] __sys_sendmsg+0xcd/0x170 [ 5410.921134][ T903] do_syscall_64+0xc6/0x1e0 [ 5410.921134][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5410.921134][ T903] [ 5421.117828][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5421.118297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5421.118297][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5421.118297][ T903] ip6_validate_gw+0x3eb/0x790 [ 5421.118297][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5421.118297][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5421.118297][ T903] ip6_route_add+0x1c/0x140 [ 5421.118297][ T903] inet6_rtm_newroute+0x104/0x110 [ 5421.118297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.118297][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.118297][ T903] netlink_unicast+0x449/0x710 [ 5421.118297][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.118297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.118297][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.118297][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.118297][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.118297][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.118297][ T903] [ 5421.120407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5421.120407][ T903] netdev_get_by_index+0x5e/0x80 [ 5421.120407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5421.120407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5421.120407][ T903] ip6_route_add+0x1c/0x140 [ 5421.120407][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5421.120407][ T903] inet6_addr_add+0x4f8/0xa40 [ 5421.120407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.120407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.120407][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.120407][ T903] netlink_unicast+0x449/0x710 [ 5421.120407][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.120407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.120407][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.120407][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.120407][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.120407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.120407][ T903] [ 5421.122622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5421.122622][ T903] netdev_get_by_index+0x5e/0x80 [ 5421.122622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5421.122622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5421.122622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5421.122622][ T903] ipv6_add_addr+0x411/0x2000 [ 5421.122622][ T903] inet6_addr_add+0x30e/0xa40 [ 5421.122622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.122622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.122622][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.122622][ T903] netlink_unicast+0x449/0x710 [ 5421.122622][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.122622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.122622][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.122622][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.122622][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.122622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.122622][ T903] [ 5421.124837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5421.124837][ T903] netdev_get_by_index+0x5e/0x80 [ 5421.124837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5421.124837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5421.124837][ T903] ip6_route_add+0x1c/0x140 [ 5421.124837][ T903] addrconf_add_mroute+0x129/0x180 [ 5421.124837][ T903] addrconf_add_dev+0xe2/0x170 [ 5421.124837][ T903] inet6_addr_add+0x12f/0xa40 [ 5421.124837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.124837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.124837][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.124837][ T903] netlink_unicast+0x449/0x710 [ 5421.124837][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.124837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.124837][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.124837][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.124837][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.124837][ T903] [ 5421.127041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5421.127041][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5421.127041][ T903] ipv6_find_idev+0x102/0x170 [ 5421.127041][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.127041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.127041][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.127041][ T903] netlink_unicast+0x449/0x710 [ 5421.127041][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.127041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.127041][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.127041][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.127041][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.127041][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.127041][ T903] [ 5421.128751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5421.128751][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5421.128751][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5421.128751][ T903] ipv6_find_idev+0x102/0x170 [ 5421.128751][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.128751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.128751][ T903] netlink_rcv_skb+0x130/0x360 [ 5421.128751][ T903] netlink_unicast+0x449/0x710 [ 5421.128751][ T903] netlink_sendmsg+0x723/0xbe0 [ 5421.128751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5421.128751][ T903] ___sys_sendmsg+0xee/0x170 [ 5421.128751][ T903] __sys_sendmsg+0xcd/0x170 [ 5421.128751][ T903] do_syscall_64+0xc6/0x1e0 [ 5421.128751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.128751][ T903] [ 5431.837948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5431.838488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5431.838488][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5431.838488][ T903] ip6_validate_gw+0x3eb/0x790 [ 5431.838488][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5431.838488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5431.838488][ T903] ip6_route_add+0x1c/0x140 [ 5431.838488][ T903] inet6_rtm_newroute+0x104/0x110 [ 5431.838488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.838488][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.838488][ T903] netlink_unicast+0x449/0x710 [ 5431.838488][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.838488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.838488][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.838488][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.838488][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.838488][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.838488][ T903] [ 5431.840620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5431.840620][ T903] netdev_get_by_index+0x5e/0x80 [ 5431.840620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5431.840620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5431.840620][ T903] ip6_route_add+0x1c/0x140 [ 5431.840620][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5431.840620][ T903] inet6_addr_add+0x4f8/0xa40 [ 5431.840620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.840620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.840620][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.840620][ T903] netlink_unicast+0x449/0x710 [ 5431.840620][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.840620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.840620][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.840620][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.840620][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.840620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.840620][ T903] [ 5431.842837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5431.842837][ T903] netdev_get_by_index+0x5e/0x80 [ 5431.842837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5431.842837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5431.842837][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5431.842837][ T903] ipv6_add_addr+0x411/0x2000 [ 5431.842837][ T903] inet6_addr_add+0x30e/0xa40 [ 5431.842837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.842837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.842837][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.842837][ T903] netlink_unicast+0x449/0x710 [ 5431.842837][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.842837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.842837][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.842837][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.842837][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.842837][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.842837][ T903] [ 5431.845068][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5431.845068][ T903] netdev_get_by_index+0x5e/0x80 [ 5431.845068][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5431.845068][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5431.845068][ T903] ip6_route_add+0x1c/0x140 [ 5431.845068][ T903] addrconf_add_mroute+0x129/0x180 [ 5431.845068][ T903] addrconf_add_dev+0xe2/0x170 [ 5431.845068][ T903] inet6_addr_add+0x12f/0xa40 [ 5431.845068][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5431.845068][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.845068][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.845068][ T903] netlink_unicast+0x449/0x710 [ 5431.845068][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.845068][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.845068][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.845068][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.845068][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.845068][ T903] [ 5431.847289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5431.847289][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5431.847289][ T903] ipv6_find_idev+0x102/0x170 [ 5431.847289][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.847289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.847289][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.847289][ T903] netlink_unicast+0x449/0x710 [ 5431.847289][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.847289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.847289][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.847289][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.847289][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.847289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.847289][ T903] [ 5431.849000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5431.849000][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5431.849000][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5431.849000][ T903] ipv6_find_idev+0x102/0x170 [ 5431.849000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5431.849000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5431.849000][ T903] netlink_rcv_skb+0x130/0x360 [ 5431.849000][ T903] netlink_unicast+0x449/0x710 [ 5431.849000][ T903] netlink_sendmsg+0x723/0xbe0 [ 5431.849000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5431.849000][ T903] ___sys_sendmsg+0xee/0x170 [ 5431.849000][ T903] __sys_sendmsg+0xcd/0x170 [ 5431.849000][ T903] do_syscall_64+0xc6/0x1e0 [ 5431.849000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5431.849000][ T903] [ 5441.965862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5441.966362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5441.966362][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5441.966362][ T903] ip6_validate_gw+0x3eb/0x790 [ 5441.966362][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5441.966362][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5441.966362][ T903] ip6_route_add+0x1c/0x140 [ 5441.966362][ T903] inet6_rtm_newroute+0x104/0x110 [ 5441.966362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.966362][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.966362][ T903] netlink_unicast+0x449/0x710 [ 5441.966362][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.966362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.966362][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.966362][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.966362][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.966362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.966362][ T903] [ 5441.968460][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5441.968460][ T903] netdev_get_by_index+0x5e/0x80 [ 5441.968460][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5441.968460][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5441.968460][ T903] ip6_route_add+0x1c/0x140 [ 5441.968460][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5441.968460][ T903] inet6_addr_add+0x4f8/0xa40 [ 5441.968460][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.968460][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.968460][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.968460][ T903] netlink_unicast+0x449/0x710 [ 5441.968460][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.968460][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.968460][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.968460][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.968460][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.968460][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.968460][ T903] [ 5441.970664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5441.970664][ T903] netdev_get_by_index+0x5e/0x80 [ 5441.970664][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5441.970664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5441.970664][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5441.970664][ T903] ipv6_add_addr+0x411/0x2000 [ 5441.970664][ T903] inet6_addr_add+0x30e/0xa40 [ 5441.970664][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.970664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.970664][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.970664][ T903] netlink_unicast+0x449/0x710 [ 5441.970664][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.970664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.970664][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.970664][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.970664][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.970664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.970664][ T903] [ 5441.972856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5441.972856][ T903] netdev_get_by_index+0x5e/0x80 [ 5441.972856][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5441.972856][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5441.972856][ T903] ip6_route_add+0x1c/0x140 [ 5441.972856][ T903] addrconf_add_mroute+0x129/0x180 [ 5441.972856][ T903] addrconf_add_dev+0xe2/0x170 [ 5441.972856][ T903] inet6_addr_add+0x12f/0xa40 [ 5441.972856][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5441.972856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.972856][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.972856][ T903] netlink_unicast+0x449/0x710 [ 5441.972856][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.972856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.972856][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.972856][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.972856][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.972856][ T903] [ 5441.975006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5441.975006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5441.975006][ T903] ipv6_find_idev+0x102/0x170 [ 5441.975006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.975006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.975006][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.975006][ T903] netlink_unicast+0x449/0x710 [ 5441.975006][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.975006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.975006][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.975006][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.975006][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.975006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.975006][ T903] [ 5441.976795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5441.976795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5441.976795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5441.976795][ T903] ipv6_find_idev+0x102/0x170 [ 5441.976795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5441.976795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5441.976795][ T903] netlink_rcv_skb+0x130/0x360 [ 5441.976795][ T903] netlink_unicast+0x449/0x710 [ 5441.976795][ T903] netlink_sendmsg+0x723/0xbe0 [ 5441.976795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5441.976795][ T903] ___sys_sendmsg+0xee/0x170 [ 5441.976795][ T903] __sys_sendmsg+0xcd/0x170 [ 5441.976795][ T903] do_syscall_64+0xc6/0x1e0 [ 5441.976795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5441.976795][ T903] [ 5452.213795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5452.214304][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5452.214304][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5452.214304][ T903] ip6_validate_gw+0x3eb/0x790 [ 5452.214304][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5452.214304][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5452.214304][ T903] ip6_route_add+0x1c/0x140 [ 5452.214304][ T903] inet6_rtm_newroute+0x104/0x110 [ 5452.214304][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.214304][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.214304][ T903] netlink_unicast+0x449/0x710 [ 5452.214304][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.214304][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.214304][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.214304][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.214304][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.214304][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.214304][ T903] [ 5452.216376][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5452.216376][ T903] netdev_get_by_index+0x5e/0x80 [ 5452.216376][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5452.216376][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5452.216376][ T903] ip6_route_add+0x1c/0x140 [ 5452.216376][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5452.216376][ T903] inet6_addr_add+0x4f8/0xa40 [ 5452.216376][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.216376][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.216376][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.216376][ T903] netlink_unicast+0x449/0x710 [ 5452.216376][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.216376][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.216376][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.216376][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.216376][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.216376][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.216376][ T903] [ 5452.218567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5452.218567][ T903] netdev_get_by_index+0x5e/0x80 [ 5452.218567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5452.218567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5452.218567][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5452.218567][ T903] ipv6_add_addr+0x411/0x2000 [ 5452.218567][ T903] inet6_addr_add+0x30e/0xa40 [ 5452.218567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.218567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.218567][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.218567][ T903] netlink_unicast+0x449/0x710 [ 5452.218567][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.218567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.218567][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.218567][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.218567][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.218567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.218567][ T903] [ 5452.220766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5452.220766][ T903] netdev_get_by_index+0x5e/0x80 [ 5452.220766][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5452.220766][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5452.220766][ T903] ip6_route_add+0x1c/0x140 [ 5452.220766][ T903] addrconf_add_mroute+0x129/0x180 [ 5452.220766][ T903] addrconf_add_dev+0xe2/0x170 [ 5452.220766][ T903] inet6_addr_add+0x12f/0xa40 [ 5452.220766][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.220766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.220766][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.220766][ T903] netlink_unicast+0x449/0x710 [ 5452.220766][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.220766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.220766][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.220766][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.220766][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.220766][ T903] [ 5452.222928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5452.222928][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5452.222928][ T903] ipv6_find_idev+0x102/0x170 [ 5452.222928][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.222928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.222928][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.222928][ T903] netlink_unicast+0x449/0x710 [ 5452.222928][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.222928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.222928][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.222928][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.222928][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.222928][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.222928][ T903] [ 5452.224619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5452.224619][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5452.224619][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5452.224619][ T903] ipv6_find_idev+0x102/0x170 [ 5452.224619][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.224619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.224619][ T903] netlink_rcv_skb+0x130/0x360 [ 5452.224619][ T903] netlink_unicast+0x449/0x710 [ 5452.224619][ T903] netlink_sendmsg+0x723/0xbe0 [ 5452.224619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5452.224619][ T903] ___sys_sendmsg+0xee/0x170 [ 5452.224619][ T903] __sys_sendmsg+0xcd/0x170 [ 5452.224619][ T903] do_syscall_64+0xc6/0x1e0 [ 5452.224619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.224619][ T903] [ 5462.461853][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5462.462365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5462.462365][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5462.462365][ T903] ip6_validate_gw+0x3eb/0x790 [ 5462.462365][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5462.462365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5462.462365][ T903] ip6_route_add+0x1c/0x140 [ 5462.462365][ T903] inet6_rtm_newroute+0x104/0x110 [ 5462.462365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.462365][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.462365][ T903] netlink_unicast+0x449/0x710 [ 5462.462365][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.462365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.462365][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.462365][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.462365][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.462365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.462365][ T903] [ 5462.464463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5462.464463][ T903] netdev_get_by_index+0x5e/0x80 [ 5462.464463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5462.464463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5462.464463][ T903] ip6_route_add+0x1c/0x140 [ 5462.464463][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5462.464463][ T903] inet6_addr_add+0x4f8/0xa40 [ 5462.464463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.464463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.464463][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.464463][ T903] netlink_unicast+0x449/0x710 [ 5462.464463][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.464463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.464463][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.464463][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.464463][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.464463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.464463][ T903] [ 5462.466680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5462.466680][ T903] netdev_get_by_index+0x5e/0x80 [ 5462.466680][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5462.466680][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5462.466680][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5462.466680][ T903] ipv6_add_addr+0x411/0x2000 [ 5462.466680][ T903] inet6_addr_add+0x30e/0xa40 [ 5462.466680][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.466680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.466680][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.466680][ T903] netlink_unicast+0x449/0x710 [ 5462.466680][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.466680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.466680][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.466680][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.466680][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.466680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.466680][ T903] [ 5462.468893][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5462.468893][ T903] netdev_get_by_index+0x5e/0x80 [ 5462.468893][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5462.468893][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5462.468893][ T903] ip6_route_add+0x1c/0x140 [ 5462.468893][ T903] addrconf_add_mroute+0x129/0x180 [ 5462.468893][ T903] addrconf_add_dev+0xe2/0x170 [ 5462.468893][ T903] inet6_addr_add+0x12f/0xa40 [ 5462.468893][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.468893][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.468893][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.468893][ T903] netlink_unicast+0x449/0x710 [ 5462.468893][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.468893][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.468893][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.468893][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.468893][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.468893][ T903] [ 5462.471057][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5462.471057][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5462.471057][ T903] ipv6_find_idev+0x102/0x170 [ 5462.471057][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.471057][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.471057][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.471057][ T903] netlink_unicast+0x449/0x710 [ 5462.471057][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.471057][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.471057][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.471057][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.471057][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.471057][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.471057][ T903] [ 5462.472753][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5462.472753][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5462.472753][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5462.472753][ T903] ipv6_find_idev+0x102/0x170 [ 5462.472753][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.472753][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.472753][ T903] netlink_rcv_skb+0x130/0x360 [ 5462.472753][ T903] netlink_unicast+0x449/0x710 [ 5462.472753][ T903] netlink_sendmsg+0x723/0xbe0 [ 5462.472753][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5462.472753][ T903] ___sys_sendmsg+0xee/0x170 [ 5462.472753][ T903] __sys_sendmsg+0xcd/0x170 [ 5462.472753][ T903] do_syscall_64+0xc6/0x1e0 [ 5462.472753][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.472753][ T903] [ 5472.709818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5472.710423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5472.710423][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5472.710423][ T903] ip6_validate_gw+0x3eb/0x790 [ 5472.710423][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5472.710423][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5472.710423][ T903] ip6_route_add+0x1c/0x140 [ 5472.710423][ T903] inet6_rtm_newroute+0x104/0x110 [ 5472.710423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.710423][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.710423][ T903] netlink_unicast+0x449/0x710 [ 5472.710423][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.710423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.710423][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.710423][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.710423][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.710423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.710423][ T903] [ 5472.713860][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5472.713860][ T903] netdev_get_by_index+0x5e/0x80 [ 5472.713860][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5472.713860][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5472.713860][ T903] ip6_route_add+0x1c/0x140 [ 5472.713860][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5472.713860][ T903] inet6_addr_add+0x4f8/0xa40 [ 5472.713860][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.713860][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.713860][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.713860][ T903] netlink_unicast+0x449/0x710 [ 5472.713860][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.713860][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.713860][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.713860][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.713860][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.713860][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.713860][ T903] [ 5472.717576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5472.717576][ T903] netdev_get_by_index+0x5e/0x80 [ 5472.717576][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5472.717576][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5472.717576][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5472.717576][ T903] ipv6_add_addr+0x411/0x2000 [ 5472.717576][ T903] inet6_addr_add+0x30e/0xa40 [ 5472.717576][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.717576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.717576][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.717576][ T903] netlink_unicast+0x449/0x710 [ 5472.717576][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.717576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.717576][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.717576][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.717576][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.717576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.717576][ T903] [ 5472.721198][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5472.721198][ T903] netdev_get_by_index+0x5e/0x80 [ 5472.721198][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5472.721198][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5472.721198][ T903] ip6_route_add+0x1c/0x140 [ 5472.721198][ T903] addrconf_add_mroute+0x129/0x180 [ 5472.721198][ T903] addrconf_add_dev+0xe2/0x170 [ 5472.721198][ T903] inet6_addr_add+0x12f/0xa40 [ 5472.721198][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5472.721198][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.721198][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.721198][ T903] netlink_unicast+0x449/0x710 [ 5472.721198][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.721198][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.721198][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.721198][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.721198][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.721198][ T903] [ 5472.724743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5472.724743][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5472.724743][ T903] ipv6_find_idev+0x102/0x170 [ 5472.724743][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.724743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.724743][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.724743][ T903] netlink_unicast+0x449/0x710 [ 5472.724743][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.724743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.724743][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.724743][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.724743][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.724743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.724743][ T903] [ 5472.727508][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5472.727508][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5472.727508][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5472.727508][ T903] ipv6_find_idev+0x102/0x170 [ 5472.727508][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5472.727508][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5472.727508][ T903] netlink_rcv_skb+0x130/0x360 [ 5472.727508][ T903] netlink_unicast+0x449/0x710 [ 5472.727508][ T903] netlink_sendmsg+0x723/0xbe0 [ 5472.727508][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5472.727508][ T903] ___sys_sendmsg+0xee/0x170 [ 5472.727508][ T903] __sys_sendmsg+0xcd/0x170 [ 5472.727508][ T903] do_syscall_64+0xc6/0x1e0 [ 5472.727508][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5472.727508][ T903] [ 5482.973801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5482.974298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5482.974298][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5482.974298][ T903] ip6_validate_gw+0x3eb/0x790 [ 5482.974298][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5482.974298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5482.974298][ T903] ip6_route_add+0x1c/0x140 [ 5482.974298][ T903] inet6_rtm_newroute+0x104/0x110 [ 5482.974298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.974298][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.974298][ T903] netlink_unicast+0x449/0x710 [ 5482.974298][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.974298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.974298][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.974298][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.974298][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.974298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.974298][ T903] [ 5482.976388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5482.976388][ T903] netdev_get_by_index+0x5e/0x80 [ 5482.976388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5482.976388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5482.976388][ T903] ip6_route_add+0x1c/0x140 [ 5482.976388][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5482.976388][ T903] inet6_addr_add+0x4f8/0xa40 [ 5482.976388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.976388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.976388][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.976388][ T903] netlink_unicast+0x449/0x710 [ 5482.976388][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.976388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.976388][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.976388][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.976388][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.976388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.976388][ T903] [ 5482.978568][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5482.978568][ T903] netdev_get_by_index+0x5e/0x80 [ 5482.978568][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5482.978568][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5482.978568][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5482.978568][ T903] ipv6_add_addr+0x411/0x2000 [ 5482.978568][ T903] inet6_addr_add+0x30e/0xa40 [ 5482.978568][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.978568][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.978568][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.978568][ T903] netlink_unicast+0x449/0x710 [ 5482.978568][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.978568][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.978568][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.978568][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.978568][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.978568][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.978568][ T903] [ 5482.981261][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5482.981261][ T903] netdev_get_by_index+0x5e/0x80 [ 5482.981261][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5482.981261][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5482.981261][ T903] ip6_route_add+0x1c/0x140 [ 5482.981261][ T903] addrconf_add_mroute+0x129/0x180 [ 5482.981261][ T903] addrconf_add_dev+0xe2/0x170 [ 5482.981261][ T903] inet6_addr_add+0x12f/0xa40 [ 5482.981261][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5482.981261][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.981261][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.981261][ T903] netlink_unicast+0x449/0x710 [ 5482.981261][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.981261][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.981261][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.981261][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.981261][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.981261][ T903] [ 5482.983536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5482.983536][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5482.983536][ T903] ipv6_find_idev+0x102/0x170 [ 5482.983536][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.983536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.983536][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.983536][ T903] netlink_unicast+0x449/0x710 [ 5482.983536][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.983536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.983536][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.983536][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.983536][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.983536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.983536][ T903] [ 5482.985231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5482.985231][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5482.985231][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5482.985231][ T903] ipv6_find_idev+0x102/0x170 [ 5482.985231][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5482.985231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5482.985231][ T903] netlink_rcv_skb+0x130/0x360 [ 5482.985231][ T903] netlink_unicast+0x449/0x710 [ 5482.985231][ T903] netlink_sendmsg+0x723/0xbe0 [ 5482.985231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5482.985231][ T903] ___sys_sendmsg+0xee/0x170 [ 5482.985231][ T903] __sys_sendmsg+0xcd/0x170 [ 5482.985231][ T903] do_syscall_64+0xc6/0x1e0 [ 5482.985231][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5482.985231][ T903] [ 5493.229800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5493.230311][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5493.230311][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5493.230311][ T903] ip6_validate_gw+0x3eb/0x790 [ 5493.230311][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5493.230311][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5493.230311][ T903] ip6_route_add+0x1c/0x140 [ 5493.230311][ T903] inet6_rtm_newroute+0x104/0x110 [ 5493.230311][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.230311][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.230311][ T903] netlink_unicast+0x449/0x710 [ 5493.230311][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.230311][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.230311][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.230311][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.230311][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.230311][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.230311][ T903] [ 5493.232423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5493.232423][ T903] netdev_get_by_index+0x5e/0x80 [ 5493.232423][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5493.232423][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5493.232423][ T903] ip6_route_add+0x1c/0x140 [ 5493.232423][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5493.232423][ T903] inet6_addr_add+0x4f8/0xa40 [ 5493.232423][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.232423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.232423][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.232423][ T903] netlink_unicast+0x449/0x710 [ 5493.232423][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.232423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.232423][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.232423][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.232423][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.232423][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.232423][ T903] [ 5493.234600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5493.234600][ T903] netdev_get_by_index+0x5e/0x80 [ 5493.234600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5493.234600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5493.234600][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5493.234600][ T903] ipv6_add_addr+0x411/0x2000 [ 5493.234600][ T903] inet6_addr_add+0x30e/0xa40 [ 5493.234600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.234600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.234600][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.234600][ T903] netlink_unicast+0x449/0x710 [ 5493.234600][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.234600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.234600][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.234600][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.234600][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.234600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.234600][ T903] [ 5493.236810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5493.236810][ T903] netdev_get_by_index+0x5e/0x80 [ 5493.236810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5493.236810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5493.236810][ T903] ip6_route_add+0x1c/0x140 [ 5493.236810][ T903] addrconf_add_mroute+0x129/0x180 [ 5493.236810][ T903] addrconf_add_dev+0xe2/0x170 [ 5493.236810][ T903] inet6_addr_add+0x12f/0xa40 [ 5493.236810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.236810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.236810][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.236810][ T903] netlink_unicast+0x449/0x710 [ 5493.236810][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.236810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.236810][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.236810][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.236810][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.236810][ T903] [ 5493.238962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5493.238962][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5493.238962][ T903] ipv6_find_idev+0x102/0x170 [ 5493.238962][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.238962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.238962][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.238962][ T903] netlink_unicast+0x449/0x710 [ 5493.238962][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.238962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.238962][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.238962][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.238962][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.238962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.238962][ T903] [ 5493.240635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5493.240635][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5493.240635][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5493.240635][ T903] ipv6_find_idev+0x102/0x170 [ 5493.240635][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.240635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.240635][ T903] netlink_rcv_skb+0x130/0x360 [ 5493.240635][ T903] netlink_unicast+0x449/0x710 [ 5493.240635][ T903] netlink_sendmsg+0x723/0xbe0 [ 5493.240635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5493.240635][ T903] ___sys_sendmsg+0xee/0x170 [ 5493.240635][ T903] __sys_sendmsg+0xcd/0x170 [ 5493.240635][ T903] do_syscall_64+0xc6/0x1e0 [ 5493.240635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.240635][ T903] [ 5503.477736][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5503.478252][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5503.478252][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5503.478252][ T903] ip6_validate_gw+0x3eb/0x790 [ 5503.478252][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5503.478252][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5503.478252][ T903] ip6_route_add+0x1c/0x140 [ 5503.478252][ T903] inet6_rtm_newroute+0x104/0x110 [ 5503.478252][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.478252][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.478252][ T903] netlink_unicast+0x449/0x710 [ 5503.478252][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.478252][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.478252][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.478252][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.478252][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.478252][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.478252][ T903] [ 5503.480356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5503.480356][ T903] netdev_get_by_index+0x5e/0x80 [ 5503.480356][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5503.480356][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5503.480356][ T903] ip6_route_add+0x1c/0x140 [ 5503.480356][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5503.480356][ T903] inet6_addr_add+0x4f8/0xa40 [ 5503.480356][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.480356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.480356][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.480356][ T903] netlink_unicast+0x449/0x710 [ 5503.480356][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.480356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.480356][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.480356][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.480356][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.480356][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.480356][ T903] [ 5503.482564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5503.482564][ T903] netdev_get_by_index+0x5e/0x80 [ 5503.482564][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5503.482564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5503.482564][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5503.482564][ T903] ipv6_add_addr+0x411/0x2000 [ 5503.482564][ T903] inet6_addr_add+0x30e/0xa40 [ 5503.482564][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.482564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.482564][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.482564][ T903] netlink_unicast+0x449/0x710 [ 5503.482564][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.482564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.482564][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.482564][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.482564][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.482564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.482564][ T903] [ 5503.484778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5503.484778][ T903] netdev_get_by_index+0x5e/0x80 [ 5503.484778][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5503.484778][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5503.484778][ T903] ip6_route_add+0x1c/0x140 [ 5503.484778][ T903] addrconf_add_mroute+0x129/0x180 [ 5503.484778][ T903] addrconf_add_dev+0xe2/0x170 [ 5503.484778][ T903] inet6_addr_add+0x12f/0xa40 [ 5503.484778][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.484778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.484778][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.484778][ T903] netlink_unicast+0x449/0x710 [ 5503.484778][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.484778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.484778][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.484778][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.484778][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.484778][ T903] [ 5503.486955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5503.486955][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5503.486955][ T903] ipv6_find_idev+0x102/0x170 [ 5503.486955][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.486955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.486955][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.486955][ T903] netlink_unicast+0x449/0x710 [ 5503.486955][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.486955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.486955][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.486955][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.486955][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.486955][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.486955][ T903] [ 5503.488643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5503.488643][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5503.488643][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5503.488643][ T903] ipv6_find_idev+0x102/0x170 [ 5503.488643][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.488643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.488643][ T903] netlink_rcv_skb+0x130/0x360 [ 5503.488643][ T903] netlink_unicast+0x449/0x710 [ 5503.488643][ T903] netlink_sendmsg+0x723/0xbe0 [ 5503.488643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5503.488643][ T903] ___sys_sendmsg+0xee/0x170 [ 5503.488643][ T903] __sys_sendmsg+0xcd/0x170 [ 5503.488643][ T903] do_syscall_64+0xc6/0x1e0 [ 5503.488643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.488643][ T903] [ 5513.725841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5513.726402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5513.726402][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5513.726402][ T903] ip6_validate_gw+0x3eb/0x790 [ 5513.726402][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5513.726402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5513.726402][ T903] ip6_route_add+0x1c/0x140 [ 5513.726402][ T903] inet6_rtm_newroute+0x104/0x110 [ 5513.726402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.726402][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.726402][ T903] netlink_unicast+0x449/0x710 [ 5513.726402][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.726402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.726402][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.726402][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.726402][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.726402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.726402][ T903] [ 5513.728510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5513.728510][ T903] netdev_get_by_index+0x5e/0x80 [ 5513.728510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5513.728510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5513.728510][ T903] ip6_route_add+0x1c/0x140 [ 5513.728510][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5513.728510][ T903] inet6_addr_add+0x4f8/0xa40 [ 5513.728510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.728510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.728510][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.728510][ T903] netlink_unicast+0x449/0x710 [ 5513.728510][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.728510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.728510][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.728510][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.728510][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.728510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.728510][ T903] [ 5513.730718][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5513.730718][ T903] netdev_get_by_index+0x5e/0x80 [ 5513.730718][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5513.730718][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5513.730718][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5513.730718][ T903] ipv6_add_addr+0x411/0x2000 [ 5513.730718][ T903] inet6_addr_add+0x30e/0xa40 [ 5513.730718][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.730718][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.730718][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.730718][ T903] netlink_unicast+0x449/0x710 [ 5513.730718][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.730718][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.730718][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.730718][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.730718][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.730718][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.730718][ T903] [ 5513.732908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5513.732908][ T903] netdev_get_by_index+0x5e/0x80 [ 5513.732908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5513.732908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5513.732908][ T903] ip6_route_add+0x1c/0x140 [ 5513.732908][ T903] addrconf_add_mroute+0x129/0x180 [ 5513.732908][ T903] addrconf_add_dev+0xe2/0x170 [ 5513.732908][ T903] inet6_addr_add+0x12f/0xa40 [ 5513.732908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.732908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.732908][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.732908][ T903] netlink_unicast+0x449/0x710 [ 5513.732908][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.732908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.732908][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.732908][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.732908][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.732908][ T903] [ 5513.735065][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5513.735065][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5513.735065][ T903] ipv6_find_idev+0x102/0x170 [ 5513.735065][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.735065][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.735065][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.735065][ T903] netlink_unicast+0x449/0x710 [ 5513.735065][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.735065][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.735065][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.735065][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.735065][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.735065][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.735065][ T903] [ 5513.736751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5513.736751][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5513.736751][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5513.736751][ T903] ipv6_find_idev+0x102/0x170 [ 5513.736751][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.736751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.736751][ T903] netlink_rcv_skb+0x130/0x360 [ 5513.736751][ T903] netlink_unicast+0x449/0x710 [ 5513.736751][ T903] netlink_sendmsg+0x723/0xbe0 [ 5513.736751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5513.736751][ T903] ___sys_sendmsg+0xee/0x170 [ 5513.736751][ T903] __sys_sendmsg+0xcd/0x170 [ 5513.736751][ T903] do_syscall_64+0xc6/0x1e0 [ 5513.736751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.736751][ T903] [ 5523.973805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5523.974319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5523.974319][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5523.974319][ T903] ip6_validate_gw+0x3eb/0x790 [ 5523.974319][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5523.974319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5523.974319][ T903] ip6_route_add+0x1c/0x140 [ 5523.974319][ T903] inet6_rtm_newroute+0x104/0x110 [ 5523.974319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.974319][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.974319][ T903] netlink_unicast+0x449/0x710 [ 5523.974319][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.974319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.974319][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.974319][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.974319][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.974319][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.974319][ T903] [ 5523.976409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5523.976409][ T903] netdev_get_by_index+0x5e/0x80 [ 5523.976409][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5523.976409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5523.976409][ T903] ip6_route_add+0x1c/0x140 [ 5523.976409][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5523.976409][ T903] inet6_addr_add+0x4f8/0xa40 [ 5523.976409][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.976409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.976409][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.976409][ T903] netlink_unicast+0x449/0x710 [ 5523.976409][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.976409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.976409][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.976409][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.976409][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.976409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.976409][ T903] [ 5523.978648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5523.978648][ T903] netdev_get_by_index+0x5e/0x80 [ 5523.978648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5523.978648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5523.978648][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5523.978648][ T903] ipv6_add_addr+0x411/0x2000 [ 5523.978648][ T903] inet6_addr_add+0x30e/0xa40 [ 5523.978648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.978648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.978648][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.978648][ T903] netlink_unicast+0x449/0x710 [ 5523.978648][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.978648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.978648][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.978648][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.978648][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.978648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.978648][ T903] [ 5523.980865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5523.980865][ T903] netdev_get_by_index+0x5e/0x80 [ 5523.980865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5523.980865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5523.980865][ T903] ip6_route_add+0x1c/0x140 [ 5523.980865][ T903] addrconf_add_mroute+0x129/0x180 [ 5523.980865][ T903] addrconf_add_dev+0xe2/0x170 [ 5523.980865][ T903] inet6_addr_add+0x12f/0xa40 [ 5523.980865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5523.980865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.980865][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.980865][ T903] netlink_unicast+0x449/0x710 [ 5523.980865][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.980865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.980865][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.980865][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.980865][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.980865][ T903] [ 5523.982971][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5523.982971][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5523.982971][ T903] ipv6_find_idev+0x102/0x170 [ 5523.982971][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.982971][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.982971][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.982971][ T903] netlink_unicast+0x449/0x710 [ 5523.982971][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.982971][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.982971][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.982971][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.982971][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.982971][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.982971][ T903] [ 5523.984665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5523.984665][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5523.984665][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5523.984665][ T903] ipv6_find_idev+0x102/0x170 [ 5523.984665][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5523.984665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5523.984665][ T903] netlink_rcv_skb+0x130/0x360 [ 5523.984665][ T903] netlink_unicast+0x449/0x710 [ 5523.984665][ T903] netlink_sendmsg+0x723/0xbe0 [ 5523.984665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5523.984665][ T903] ___sys_sendmsg+0xee/0x170 [ 5523.984665][ T903] __sys_sendmsg+0xcd/0x170 [ 5523.984665][ T903] do_syscall_64+0xc6/0x1e0 [ 5523.984665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5523.984665][ T903] [ 5534.141896][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5534.142408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5534.142408][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5534.142408][ T903] ip6_validate_gw+0x3eb/0x790 [ 5534.142408][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5534.142408][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5534.142408][ T903] ip6_route_add+0x1c/0x140 [ 5534.142408][ T903] inet6_rtm_newroute+0x104/0x110 [ 5534.142408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.142408][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.142408][ T903] netlink_unicast+0x449/0x710 [ 5534.142408][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.142408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.142408][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.142408][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.142408][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.142408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.142408][ T903] [ 5534.144543][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5534.144543][ T903] netdev_get_by_index+0x5e/0x80 [ 5534.144543][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5534.144543][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5534.144543][ T903] ip6_route_add+0x1c/0x140 [ 5534.144543][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5534.144543][ T903] inet6_addr_add+0x4f8/0xa40 [ 5534.144543][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.144543][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.144543][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.144543][ T903] netlink_unicast+0x449/0x710 [ 5534.144543][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.144543][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.144543][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.144543][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.144543][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.144543][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.144543][ T903] [ 5534.146753][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5534.146753][ T903] netdev_get_by_index+0x5e/0x80 [ 5534.146753][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5534.146753][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5534.146753][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5534.146753][ T903] ipv6_add_addr+0x411/0x2000 [ 5534.146753][ T903] inet6_addr_add+0x30e/0xa40 [ 5534.146753][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.146753][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.146753][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.146753][ T903] netlink_unicast+0x449/0x710 [ 5534.146753][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.146753][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.146753][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.146753][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.146753][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.146753][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.146753][ T903] [ 5534.148941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5534.148941][ T903] netdev_get_by_index+0x5e/0x80 [ 5534.148941][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5534.148941][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5534.148941][ T903] ip6_route_add+0x1c/0x140 [ 5534.148941][ T903] addrconf_add_mroute+0x129/0x180 [ 5534.148941][ T903] addrconf_add_dev+0xe2/0x170 [ 5534.148941][ T903] inet6_addr_add+0x12f/0xa40 [ 5534.148941][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.148941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.148941][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.148941][ T903] netlink_unicast+0x449/0x710 [ 5534.148941][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.148941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.148941][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.148941][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.148941][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.148941][ T903] [ 5534.151129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5534.151129][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5534.151129][ T903] ipv6_find_idev+0x102/0x170 [ 5534.151129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.151129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.151129][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.151129][ T903] netlink_unicast+0x449/0x710 [ 5534.151129][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.151129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.151129][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.151129][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.151129][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.151129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.151129][ T903] [ 5534.152820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5534.152820][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5534.152820][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5534.152820][ T903] ipv6_find_idev+0x102/0x170 [ 5534.152820][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.152820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.152820][ T903] netlink_rcv_skb+0x130/0x360 [ 5534.152820][ T903] netlink_unicast+0x449/0x710 [ 5534.152820][ T903] netlink_sendmsg+0x723/0xbe0 [ 5534.152820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5534.152820][ T903] ___sys_sendmsg+0xee/0x170 [ 5534.152820][ T903] __sys_sendmsg+0xcd/0x170 [ 5534.152820][ T903] do_syscall_64+0xc6/0x1e0 [ 5534.152820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.152820][ T903] [ 5544.405817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5544.406335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5544.406335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5544.406335][ T903] ip6_validate_gw+0x3eb/0x790 [ 5544.406335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5544.406335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5544.406335][ T903] ip6_route_add+0x1c/0x140 [ 5544.406335][ T903] inet6_rtm_newroute+0x104/0x110 [ 5544.406335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.406335][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.406335][ T903] netlink_unicast+0x449/0x710 [ 5544.406335][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.406335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.406335][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.406335][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.406335][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.406335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.406335][ T903] [ 5544.408502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5544.408502][ T903] netdev_get_by_index+0x5e/0x80 [ 5544.408502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5544.408502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5544.408502][ T903] ip6_route_add+0x1c/0x140 [ 5544.408502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5544.408502][ T903] inet6_addr_add+0x4f8/0xa40 [ 5544.408502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.408502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.408502][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.408502][ T903] netlink_unicast+0x449/0x710 [ 5544.408502][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.408502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.408502][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.408502][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.408502][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.408502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.408502][ T903] [ 5544.410692][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5544.410692][ T903] netdev_get_by_index+0x5e/0x80 [ 5544.410692][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5544.410692][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5544.410692][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5544.410692][ T903] ipv6_add_addr+0x411/0x2000 [ 5544.410692][ T903] inet6_addr_add+0x30e/0xa40 [ 5544.410692][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.410692][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.410692][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.410692][ T903] netlink_unicast+0x449/0x710 [ 5544.410692][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.410692][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.410692][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.410692][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.410692][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.410692][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.410692][ T903] [ 5544.412880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5544.412880][ T903] netdev_get_by_index+0x5e/0x80 [ 5544.412880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5544.412880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5544.412880][ T903] ip6_route_add+0x1c/0x140 [ 5544.412880][ T903] addrconf_add_mroute+0x129/0x180 [ 5544.412880][ T903] addrconf_add_dev+0xe2/0x170 [ 5544.412880][ T903] inet6_addr_add+0x12f/0xa40 [ 5544.412880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5544.412880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.412880][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.412880][ T903] netlink_unicast+0x449/0x710 [ 5544.412880][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.412880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.412880][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.412880][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.412880][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.412880][ T903] [ 5544.415068][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5544.415068][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5544.415068][ T903] ipv6_find_idev+0x102/0x170 [ 5544.415068][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.415068][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.415068][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.415068][ T903] netlink_unicast+0x449/0x710 [ 5544.415068][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.415068][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.415068][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.415068][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.415068][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.415068][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.415068][ T903] [ 5544.416769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5544.416769][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5544.416769][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5544.416769][ T903] ipv6_find_idev+0x102/0x170 [ 5544.416769][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5544.416769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5544.416769][ T903] netlink_rcv_skb+0x130/0x360 [ 5544.416769][ T903] netlink_unicast+0x449/0x710 [ 5544.416769][ T903] netlink_sendmsg+0x723/0xbe0 [ 5544.416769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5544.416769][ T903] ___sys_sendmsg+0xee/0x170 [ 5544.416769][ T903] __sys_sendmsg+0xcd/0x170 [ 5544.416769][ T903] do_syscall_64+0xc6/0x1e0 [ 5544.416769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5544.416769][ T903] [ 5554.669813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5554.670380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5554.670380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5554.670380][ T903] ip6_validate_gw+0x3eb/0x790 [ 5554.670380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5554.670380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5554.670380][ T903] ip6_route_add+0x1c/0x140 [ 5554.670380][ T903] inet6_rtm_newroute+0x104/0x110 [ 5554.670380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.670380][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.670380][ T903] netlink_unicast+0x449/0x710 [ 5554.670380][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.670380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.670380][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.670380][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.670380][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.670380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.670380][ T903] [ 5554.672509][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5554.672509][ T903] netdev_get_by_index+0x5e/0x80 [ 5554.672509][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5554.672509][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5554.672509][ T903] ip6_route_add+0x1c/0x140 [ 5554.672509][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5554.672509][ T903] inet6_addr_add+0x4f8/0xa40 [ 5554.672509][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.672509][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.672509][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.672509][ T903] netlink_unicast+0x449/0x710 [ 5554.672509][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.672509][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.672509][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.672509][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.672509][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.672509][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.672509][ T903] [ 5554.674763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5554.674763][ T903] netdev_get_by_index+0x5e/0x80 [ 5554.674763][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5554.674763][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5554.674763][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5554.674763][ T903] ipv6_add_addr+0x411/0x2000 [ 5554.674763][ T903] inet6_addr_add+0x30e/0xa40 [ 5554.674763][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.674763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.674763][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.674763][ T903] netlink_unicast+0x449/0x710 [ 5554.674763][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.674763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.674763][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.674763][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.674763][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.674763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.674763][ T903] [ 5554.676994][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5554.676994][ T903] netdev_get_by_index+0x5e/0x80 [ 5554.676994][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5554.676994][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5554.676994][ T903] ip6_route_add+0x1c/0x140 [ 5554.676994][ T903] addrconf_add_mroute+0x129/0x180 [ 5554.676994][ T903] addrconf_add_dev+0xe2/0x170 [ 5554.676994][ T903] inet6_addr_add+0x12f/0xa40 [ 5554.676994][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5554.676994][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.676994][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.676994][ T903] netlink_unicast+0x449/0x710 [ 5554.676994][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.676994][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.676994][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.676994][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.676994][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.676994][ T903] [ 5554.679207][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5554.679207][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5554.679207][ T903] ipv6_find_idev+0x102/0x170 [ 5554.679207][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.679207][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.679207][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.679207][ T903] netlink_unicast+0x449/0x710 [ 5554.679207][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.679207][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.679207][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.679207][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.679207][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.679207][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.679207][ T903] [ 5554.680939][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5554.680939][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5554.680939][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5554.680939][ T903] ipv6_find_idev+0x102/0x170 [ 5554.680939][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5554.680939][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5554.680939][ T903] netlink_rcv_skb+0x130/0x360 [ 5554.680939][ T903] netlink_unicast+0x449/0x710 [ 5554.680939][ T903] netlink_sendmsg+0x723/0xbe0 [ 5554.680939][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5554.680939][ T903] ___sys_sendmsg+0xee/0x170 [ 5554.680939][ T903] __sys_sendmsg+0xcd/0x170 [ 5554.680939][ T903] do_syscall_64+0xc6/0x1e0 [ 5554.680939][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5554.680939][ T903] [ 5564.933799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5564.934329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5564.934329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5564.934329][ T903] ip6_validate_gw+0x3eb/0x790 [ 5564.934329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5564.934329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5564.934329][ T903] ip6_route_add+0x1c/0x140 [ 5564.934329][ T903] inet6_rtm_newroute+0x104/0x110 [ 5564.934329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.934329][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.934329][ T903] netlink_unicast+0x449/0x710 [ 5564.934329][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.934329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.934329][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.934329][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.934329][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.934329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.934329][ T903] [ 5564.936472][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5564.936472][ T903] netdev_get_by_index+0x5e/0x80 [ 5564.936472][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5564.936472][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5564.936472][ T903] ip6_route_add+0x1c/0x140 [ 5564.936472][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5564.936472][ T903] inet6_addr_add+0x4f8/0xa40 [ 5564.936472][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.936472][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.936472][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.936472][ T903] netlink_unicast+0x449/0x710 [ 5564.936472][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.936472][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.936472][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.936472][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.936472][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.936472][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.936472][ T903] [ 5564.938681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5564.938681][ T903] netdev_get_by_index+0x5e/0x80 [ 5564.938681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5564.938681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5564.938681][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5564.938681][ T903] ipv6_add_addr+0x411/0x2000 [ 5564.938681][ T903] inet6_addr_add+0x30e/0xa40 [ 5564.938681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.938681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.938681][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.938681][ T903] netlink_unicast+0x449/0x710 [ 5564.938681][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.938681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.938681][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.938681][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.938681][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.938681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.938681][ T903] [ 5564.940850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5564.940850][ T903] netdev_get_by_index+0x5e/0x80 [ 5564.940850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5564.940850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5564.940850][ T903] ip6_route_add+0x1c/0x140 [ 5564.940850][ T903] addrconf_add_mroute+0x129/0x180 [ 5564.940850][ T903] addrconf_add_dev+0xe2/0x170 [ 5564.940850][ T903] inet6_addr_add+0x12f/0xa40 [ 5564.940850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5564.940850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.940850][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.940850][ T903] netlink_unicast+0x449/0x710 [ 5564.940850][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.940850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.940850][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.940850][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.940850][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.940850][ T903] [ 5564.943033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5564.943033][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5564.943033][ T903] ipv6_find_idev+0x102/0x170 [ 5564.943033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.943033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.943033][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.943033][ T903] netlink_unicast+0x449/0x710 [ 5564.943033][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.943033][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.943033][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.943033][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.943033][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.943033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.943033][ T903] [ 5564.944744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5564.944744][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5564.944744][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5564.944744][ T903] ipv6_find_idev+0x102/0x170 [ 5564.944744][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5564.944744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5564.944744][ T903] netlink_rcv_skb+0x130/0x360 [ 5564.944744][ T903] netlink_unicast+0x449/0x710 [ 5564.944744][ T903] netlink_sendmsg+0x723/0xbe0 [ 5564.944744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5564.944744][ T903] ___sys_sendmsg+0xee/0x170 [ 5564.944744][ T903] __sys_sendmsg+0xcd/0x170 [ 5564.944744][ T903] do_syscall_64+0xc6/0x1e0 [ 5564.944744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5564.944744][ T903] [ 5575.197797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5575.198316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5575.198316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5575.198316][ T903] ip6_validate_gw+0x3eb/0x790 [ 5575.198316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5575.198316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5575.198316][ T903] ip6_route_add+0x1c/0x140 [ 5575.198316][ T903] inet6_rtm_newroute+0x104/0x110 [ 5575.198316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.198316][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.198316][ T903] netlink_unicast+0x449/0x710 [ 5575.198316][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.198316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.198316][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.198316][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.198316][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.198316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.198316][ T903] [ 5575.200921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5575.200921][ T903] netdev_get_by_index+0x5e/0x80 [ 5575.200921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5575.200921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5575.200921][ T903] ip6_route_add+0x1c/0x140 [ 5575.200921][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5575.200921][ T903] inet6_addr_add+0x4f8/0xa40 [ 5575.200921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.200921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.200921][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.200921][ T903] netlink_unicast+0x449/0x710 [ 5575.200921][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.200921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.200921][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.200921][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.200921][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.200921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.200921][ T903] [ 5575.203094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5575.203094][ T903] netdev_get_by_index+0x5e/0x80 [ 5575.203094][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5575.203094][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5575.203094][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5575.203094][ T903] ipv6_add_addr+0x411/0x2000 [ 5575.203094][ T903] inet6_addr_add+0x30e/0xa40 [ 5575.203094][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.203094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.203094][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.203094][ T903] netlink_unicast+0x449/0x710 [ 5575.203094][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.203094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.203094][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.203094][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.203094][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.203094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.203094][ T903] [ 5575.205254][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5575.205254][ T903] netdev_get_by_index+0x5e/0x80 [ 5575.205254][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5575.205254][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5575.205254][ T903] ip6_route_add+0x1c/0x140 [ 5575.205254][ T903] addrconf_add_mroute+0x129/0x180 [ 5575.205254][ T903] addrconf_add_dev+0xe2/0x170 [ 5575.205254][ T903] inet6_addr_add+0x12f/0xa40 [ 5575.205254][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.205254][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.205254][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.205254][ T903] netlink_unicast+0x449/0x710 [ 5575.205254][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.205254][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.205254][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.205254][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.205254][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.205254][ T903] [ 5575.207465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5575.207465][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5575.207465][ T903] ipv6_find_idev+0x102/0x170 [ 5575.207465][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.207465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.207465][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.207465][ T903] netlink_unicast+0x449/0x710 [ 5575.207465][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.207465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.207465][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.207465][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.207465][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.207465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.207465][ T903] [ 5575.209133][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5575.209133][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5575.209133][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5575.209133][ T903] ipv6_find_idev+0x102/0x170 [ 5575.209133][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.209133][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.209133][ T903] netlink_rcv_skb+0x130/0x360 [ 5575.209133][ T903] netlink_unicast+0x449/0x710 [ 5575.209133][ T903] netlink_sendmsg+0x723/0xbe0 [ 5575.209133][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5575.209133][ T903] ___sys_sendmsg+0xee/0x170 [ 5575.209133][ T903] __sys_sendmsg+0xcd/0x170 [ 5575.209133][ T903] do_syscall_64+0xc6/0x1e0 [ 5575.209133][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.209133][ T903] [ 5585.461867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5585.462380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5585.462380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5585.462380][ T903] ip6_validate_gw+0x3eb/0x790 [ 5585.462380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5585.462380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5585.462380][ T903] ip6_route_add+0x1c/0x140 [ 5585.462380][ T903] inet6_rtm_newroute+0x104/0x110 [ 5585.462380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.462380][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.462380][ T903] netlink_unicast+0x449/0x710 [ 5585.462380][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.462380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.462380][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.462380][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.462380][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.462380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.462380][ T903] [ 5585.464517][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5585.464517][ T903] netdev_get_by_index+0x5e/0x80 [ 5585.464517][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5585.464517][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5585.464517][ T903] ip6_route_add+0x1c/0x140 [ 5585.464517][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5585.464517][ T903] inet6_addr_add+0x4f8/0xa40 [ 5585.464517][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.464517][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.464517][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.464517][ T903] netlink_unicast+0x449/0x710 [ 5585.464517][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.464517][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.464517][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.464517][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.464517][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.464517][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.464517][ T903] [ 5585.466689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5585.466689][ T903] netdev_get_by_index+0x5e/0x80 [ 5585.466689][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5585.466689][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5585.466689][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5585.466689][ T903] ipv6_add_addr+0x411/0x2000 [ 5585.466689][ T903] inet6_addr_add+0x30e/0xa40 [ 5585.466689][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.466689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.466689][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.466689][ T903] netlink_unicast+0x449/0x710 [ 5585.466689][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.466689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.466689][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.466689][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.466689][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.466689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.466689][ T903] [ 5585.468895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5585.468895][ T903] netdev_get_by_index+0x5e/0x80 [ 5585.468895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5585.468895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5585.468895][ T903] ip6_route_add+0x1c/0x140 [ 5585.468895][ T903] addrconf_add_mroute+0x129/0x180 [ 5585.468895][ T903] addrconf_add_dev+0xe2/0x170 [ 5585.468895][ T903] inet6_addr_add+0x12f/0xa40 [ 5585.468895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5585.468895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.468895][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.468895][ T903] netlink_unicast+0x449/0x710 [ 5585.468895][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.468895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.468895][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.468895][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.468895][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.468895][ T903] [ 5585.470998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5585.470998][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5585.470998][ T903] ipv6_find_idev+0x102/0x170 [ 5585.470998][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.470998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.470998][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.470998][ T903] netlink_unicast+0x449/0x710 [ 5585.470998][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.470998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.470998][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.470998][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.470998][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.470998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.470998][ T903] [ 5585.473129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5585.473129][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5585.473129][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5585.473129][ T903] ipv6_find_idev+0x102/0x170 [ 5585.473129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5585.473129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5585.473129][ T903] netlink_rcv_skb+0x130/0x360 [ 5585.473129][ T903] netlink_unicast+0x449/0x710 [ 5585.473129][ T903] netlink_sendmsg+0x723/0xbe0 [ 5585.473129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5585.473129][ T903] ___sys_sendmsg+0xee/0x170 [ 5585.473129][ T903] __sys_sendmsg+0xcd/0x170 [ 5585.473129][ T903] do_syscall_64+0xc6/0x1e0 [ 5585.473129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5585.473129][ T903] [ 5595.725803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5595.726322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5595.726322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5595.726322][ T903] ip6_validate_gw+0x3eb/0x790 [ 5595.726322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5595.726322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5595.726322][ T903] ip6_route_add+0x1c/0x140 [ 5595.726322][ T903] inet6_rtm_newroute+0x104/0x110 [ 5595.726322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.726322][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.726322][ T903] netlink_unicast+0x449/0x710 [ 5595.726322][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.726322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.726322][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.726322][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.726322][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.726322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.726322][ T903] [ 5595.728427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5595.728427][ T903] netdev_get_by_index+0x5e/0x80 [ 5595.728427][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5595.728427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5595.728427][ T903] ip6_route_add+0x1c/0x140 [ 5595.728427][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5595.728427][ T903] inet6_addr_add+0x4f8/0xa40 [ 5595.728427][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.728427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.728427][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.728427][ T903] netlink_unicast+0x449/0x710 [ 5595.728427][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.728427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.728427][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.728427][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.728427][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.728427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.728427][ T903] [ 5595.730639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5595.730639][ T903] netdev_get_by_index+0x5e/0x80 [ 5595.730639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5595.730639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5595.730639][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5595.730639][ T903] ipv6_add_addr+0x411/0x2000 [ 5595.730639][ T903] inet6_addr_add+0x30e/0xa40 [ 5595.730639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.730639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.730639][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.730639][ T903] netlink_unicast+0x449/0x710 [ 5595.730639][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.730639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.730639][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.730639][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.730639][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.730639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.730639][ T903] [ 5595.732834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5595.732834][ T903] netdev_get_by_index+0x5e/0x80 [ 5595.732834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5595.732834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5595.732834][ T903] ip6_route_add+0x1c/0x140 [ 5595.732834][ T903] addrconf_add_mroute+0x129/0x180 [ 5595.732834][ T903] addrconf_add_dev+0xe2/0x170 [ 5595.732834][ T903] inet6_addr_add+0x12f/0xa40 [ 5595.732834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5595.732834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.732834][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.732834][ T903] netlink_unicast+0x449/0x710 [ 5595.732834][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.732834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.732834][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.732834][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.732834][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.732834][ T903] [ 5595.734997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5595.734997][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5595.734997][ T903] ipv6_find_idev+0x102/0x170 [ 5595.734997][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.734997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.734997][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.734997][ T903] netlink_unicast+0x449/0x710 [ 5595.734997][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.734997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.734997][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.734997][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.734997][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.734997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.734997][ T903] [ 5595.736699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5595.736699][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5595.736699][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5595.736699][ T903] ipv6_find_idev+0x102/0x170 [ 5595.736699][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5595.736699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5595.736699][ T903] netlink_rcv_skb+0x130/0x360 [ 5595.736699][ T903] netlink_unicast+0x449/0x710 [ 5595.736699][ T903] netlink_sendmsg+0x723/0xbe0 [ 5595.736699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5595.736699][ T903] ___sys_sendmsg+0xee/0x170 [ 5595.736699][ T903] __sys_sendmsg+0xcd/0x170 [ 5595.736699][ T903] do_syscall_64+0xc6/0x1e0 [ 5595.736699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5595.736699][ T903] [ 5605.989801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5605.990318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5605.990318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5605.990318][ T903] ip6_validate_gw+0x3eb/0x790 [ 5605.990318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5605.990318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5605.990318][ T903] ip6_route_add+0x1c/0x140 [ 5605.990318][ T903] inet6_rtm_newroute+0x104/0x110 [ 5605.990318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.990318][ T903] netlink_rcv_skb+0x130/0x360 [ 5605.990318][ T903] netlink_unicast+0x449/0x710 [ 5605.990318][ T903] netlink_sendmsg+0x723/0xbe0 [ 5605.990318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5605.990318][ T903] ___sys_sendmsg+0xee/0x170 [ 5605.990318][ T903] __sys_sendmsg+0xcd/0x170 [ 5605.990318][ T903] do_syscall_64+0xc6/0x1e0 [ 5605.990318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.990318][ T903] [ 5605.992351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5605.992351][ T903] netdev_get_by_index+0x5e/0x80 [ 5605.992351][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5605.992351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5605.992351][ T903] ip6_route_add+0x1c/0x140 [ 5605.992351][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5605.992351][ T903] inet6_addr_add+0x4f8/0xa40 [ 5605.992351][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.992351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.992351][ T903] netlink_rcv_skb+0x130/0x360 [ 5605.992351][ T903] netlink_unicast+0x449/0x710 [ 5605.992351][ T903] netlink_sendmsg+0x723/0xbe0 [ 5605.992351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5605.992351][ T903] ___sys_sendmsg+0xee/0x170 [ 5605.992351][ T903] __sys_sendmsg+0xcd/0x170 [ 5605.992351][ T903] do_syscall_64+0xc6/0x1e0 [ 5605.992351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.992351][ T903] [ 5605.994551][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5605.994551][ T903] netdev_get_by_index+0x5e/0x80 [ 5605.994551][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5605.994551][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5605.994551][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5605.994551][ T903] ipv6_add_addr+0x411/0x2000 [ 5605.994551][ T903] inet6_addr_add+0x30e/0xa40 [ 5605.994551][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.994551][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.994551][ T903] netlink_rcv_skb+0x130/0x360 [ 5605.994551][ T903] netlink_unicast+0x449/0x710 [ 5605.994551][ T903] netlink_sendmsg+0x723/0xbe0 [ 5605.994551][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5605.994551][ T903] ___sys_sendmsg+0xee/0x170 [ 5605.994551][ T903] __sys_sendmsg+0xcd/0x170 [ 5605.994551][ T903] do_syscall_64+0xc6/0x1e0 [ 5605.994551][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.994551][ T903] [ 5605.996763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5605.996763][ T903] netdev_get_by_index+0x5e/0x80 [ 5605.996763][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5605.996763][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5605.996763][ T903] ip6_route_add+0x1c/0x140 [ 5605.996763][ T903] addrconf_add_mroute+0x129/0x180 [ 5605.996763][ T903] addrconf_add_dev+0xe2/0x170 [ 5605.996763][ T903] inet6_addr_add+0x12f/0xa40 [ 5605.996763][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5605.996763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.996763][ T903] netlink_rcv_skb+0x130/0x360 [ 5605.996763][ T903] netlink_unicast+0x449/0x710 [ 5605.996763][ T903] netlink_sendmsg+0x723/0xbe0 [ 5605.996763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5605.996763][ T903] ___sys_sendmsg+0xee/0x170 [ 5605.996763][ T903] __sys_sendmsg+0xcd/0x170 [ 5605.996763][ T903] do_syscall_64+0xc6/0x1e0 [ 5605.996763][ T903] [ 5605.998899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5605.998899][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5605.998899][ T903] ipv6_find_idev+0x102/0x170 [ 5605.998899][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5605.998899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5605.998899][ T903] netlink_rcv_skb+0x130/0x360 [ 5605.998899][ T903] netlink_unicast+0x449/0x710 [ 5605.998899][ T903] netlink_sendmsg+0x723/0xbe0 [ 5605.998899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5605.998899][ T903] ___sys_sendmsg+0xee/0x170 [ 5605.998899][ T903] __sys_sendmsg+0xcd/0x170 [ 5605.998899][ T903] do_syscall_64+0xc6/0x1e0 [ 5605.998899][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5605.998899][ T903] [ 5606.000583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5606.000583][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5606.000583][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5606.000583][ T903] ipv6_find_idev+0x102/0x170 [ 5606.000583][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.000583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.000583][ T903] netlink_rcv_skb+0x130/0x360 [ 5606.000583][ T903] netlink_unicast+0x449/0x710 [ 5606.000583][ T903] netlink_sendmsg+0x723/0xbe0 [ 5606.000583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5606.000583][ T903] ___sys_sendmsg+0xee/0x170 [ 5606.000583][ T903] __sys_sendmsg+0xcd/0x170 [ 5606.000583][ T903] do_syscall_64+0xc6/0x1e0 [ 5606.000583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.000583][ T903] [ 5616.253830][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5616.254351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5616.254351][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5616.254351][ T903] ip6_validate_gw+0x3eb/0x790 [ 5616.254351][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5616.254351][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5616.254351][ T903] ip6_route_add+0x1c/0x140 [ 5616.254351][ T903] inet6_rtm_newroute+0x104/0x110 [ 5616.254351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.254351][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.254351][ T903] netlink_unicast+0x449/0x710 [ 5616.254351][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.254351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.254351][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.254351][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.254351][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.254351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.254351][ T903] [ 5616.256475][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5616.256475][ T903] netdev_get_by_index+0x5e/0x80 [ 5616.256475][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5616.256475][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5616.256475][ T903] ip6_route_add+0x1c/0x140 [ 5616.256475][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5616.256475][ T903] inet6_addr_add+0x4f8/0xa40 [ 5616.256475][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.256475][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.256475][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.256475][ T903] netlink_unicast+0x449/0x710 [ 5616.256475][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.256475][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.256475][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.256475][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.256475][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.256475][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.256475][ T903] [ 5616.258675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5616.258675][ T903] netdev_get_by_index+0x5e/0x80 [ 5616.258675][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5616.258675][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5616.258675][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5616.258675][ T903] ipv6_add_addr+0x411/0x2000 [ 5616.258675][ T903] inet6_addr_add+0x30e/0xa40 [ 5616.258675][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.258675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.258675][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.258675][ T903] netlink_unicast+0x449/0x710 [ 5616.258675][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.258675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.258675][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.258675][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.258675][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.258675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.258675][ T903] [ 5616.260874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5616.260874][ T903] netdev_get_by_index+0x5e/0x80 [ 5616.260874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5616.260874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5616.260874][ T903] ip6_route_add+0x1c/0x140 [ 5616.260874][ T903] addrconf_add_mroute+0x129/0x180 [ 5616.260874][ T903] addrconf_add_dev+0xe2/0x170 [ 5616.260874][ T903] inet6_addr_add+0x12f/0xa40 [ 5616.260874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.260874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.260874][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.260874][ T903] netlink_unicast+0x449/0x710 [ 5616.260874][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.260874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.260874][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.260874][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.260874][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.260874][ T903] [ 5616.263038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5616.263038][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5616.263038][ T903] ipv6_find_idev+0x102/0x170 [ 5616.263038][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.263038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.263038][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.263038][ T903] netlink_unicast+0x449/0x710 [ 5616.263038][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.263038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.263038][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.263038][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.263038][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.263038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.263038][ T903] [ 5616.264727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5616.264727][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5616.264727][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5616.264727][ T903] ipv6_find_idev+0x102/0x170 [ 5616.264727][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.264727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.264727][ T903] netlink_rcv_skb+0x130/0x360 [ 5616.264727][ T903] netlink_unicast+0x449/0x710 [ 5616.264727][ T903] netlink_sendmsg+0x723/0xbe0 [ 5616.264727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5616.264727][ T903] ___sys_sendmsg+0xee/0x170 [ 5616.264727][ T903] __sys_sendmsg+0xcd/0x170 [ 5616.264727][ T903] do_syscall_64+0xc6/0x1e0 [ 5616.264727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.264727][ T903] [ 5626.517866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5626.518384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5626.518384][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5626.518384][ T903] ip6_validate_gw+0x3eb/0x790 [ 5626.518384][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5626.518384][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5626.518384][ T903] ip6_route_add+0x1c/0x140 [ 5626.518384][ T903] inet6_rtm_newroute+0x104/0x110 [ 5626.518384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.518384][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.518384][ T903] netlink_unicast+0x449/0x710 [ 5626.518384][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.518384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.518384][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.518384][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.518384][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.518384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.518384][ T903] [ 5626.520476][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5626.520476][ T903] netdev_get_by_index+0x5e/0x80 [ 5626.520476][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5626.520476][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5626.520476][ T903] ip6_route_add+0x1c/0x140 [ 5626.520476][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5626.520476][ T903] inet6_addr_add+0x4f8/0xa40 [ 5626.520476][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.520476][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.520476][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.520476][ T903] netlink_unicast+0x449/0x710 [ 5626.520476][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.520476][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.520476][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.520476][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.520476][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.520476][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.520476][ T903] [ 5626.522612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5626.522612][ T903] netdev_get_by_index+0x5e/0x80 [ 5626.522612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5626.522612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5626.522612][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5626.522612][ T903] ipv6_add_addr+0x411/0x2000 [ 5626.522612][ T903] inet6_addr_add+0x30e/0xa40 [ 5626.522612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.522612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.522612][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.522612][ T903] netlink_unicast+0x449/0x710 [ 5626.522612][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.522612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.522612][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.522612][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.522612][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.522612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.522612][ T903] [ 5626.524806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5626.524806][ T903] netdev_get_by_index+0x5e/0x80 [ 5626.524806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5626.524806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5626.524806][ T903] ip6_route_add+0x1c/0x140 [ 5626.524806][ T903] addrconf_add_mroute+0x129/0x180 [ 5626.524806][ T903] addrconf_add_dev+0xe2/0x170 [ 5626.524806][ T903] inet6_addr_add+0x12f/0xa40 [ 5626.524806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.524806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.524806][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.524806][ T903] netlink_unicast+0x449/0x710 [ 5626.524806][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.524806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.524806][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.524806][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.524806][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.524806][ T903] [ 5626.526975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5626.526975][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5626.526975][ T903] ipv6_find_idev+0x102/0x170 [ 5626.526975][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.526975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.526975][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.526975][ T903] netlink_unicast+0x449/0x710 [ 5626.526975][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.526975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.526975][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.526975][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.526975][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.526975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.526975][ T903] [ 5626.528658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5626.528658][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5626.528658][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5626.528658][ T903] ipv6_find_idev+0x102/0x170 [ 5626.528658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.528658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.528658][ T903] netlink_rcv_skb+0x130/0x360 [ 5626.528658][ T903] netlink_unicast+0x449/0x710 [ 5626.528658][ T903] netlink_sendmsg+0x723/0xbe0 [ 5626.528658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5626.528658][ T903] ___sys_sendmsg+0xee/0x170 [ 5626.528658][ T903] __sys_sendmsg+0xcd/0x170 [ 5626.528658][ T903] do_syscall_64+0xc6/0x1e0 [ 5626.528658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.528658][ T903] [ 5636.589781][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5636.590227][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5636.590227][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5636.590227][ T903] ip6_validate_gw+0x3eb/0x790 [ 5636.590227][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5636.590227][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5636.590227][ T903] ip6_route_add+0x1c/0x140 [ 5636.590227][ T903] inet6_rtm_newroute+0x104/0x110 [ 5636.590227][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.590227][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.590227][ T903] netlink_unicast+0x449/0x710 [ 5636.590227][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.590227][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.590227][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.590227][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.590227][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.590227][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.590227][ T903] [ 5636.592957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5636.592957][ T903] netdev_get_by_index+0x5e/0x80 [ 5636.592957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5636.592957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5636.592957][ T903] ip6_route_add+0x1c/0x140 [ 5636.592957][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5636.592957][ T903] inet6_addr_add+0x4f8/0xa40 [ 5636.592957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.592957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.592957][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.592957][ T903] netlink_unicast+0x449/0x710 [ 5636.592957][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.592957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.592957][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.592957][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.592957][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.592957][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.592957][ T903] [ 5636.595158][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5636.595158][ T903] netdev_get_by_index+0x5e/0x80 [ 5636.595158][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5636.595158][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5636.595158][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5636.595158][ T903] ipv6_add_addr+0x411/0x2000 [ 5636.595158][ T903] inet6_addr_add+0x30e/0xa40 [ 5636.595158][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.595158][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.595158][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.595158][ T903] netlink_unicast+0x449/0x710 [ 5636.595158][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.595158][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.595158][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.595158][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.595158][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.595158][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.595158][ T903] [ 5636.597353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5636.597353][ T903] netdev_get_by_index+0x5e/0x80 [ 5636.597353][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5636.597353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5636.597353][ T903] ip6_route_add+0x1c/0x140 [ 5636.597353][ T903] addrconf_add_mroute+0x129/0x180 [ 5636.597353][ T903] addrconf_add_dev+0xe2/0x170 [ 5636.597353][ T903] inet6_addr_add+0x12f/0xa40 [ 5636.597353][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5636.597353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.597353][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.597353][ T903] netlink_unicast+0x449/0x710 [ 5636.597353][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.597353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.597353][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.597353][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.597353][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.597353][ T903] [ 5636.599513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5636.599513][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5636.599513][ T903] ipv6_find_idev+0x102/0x170 [ 5636.599513][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.599513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.599513][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.599513][ T903] netlink_unicast+0x449/0x710 [ 5636.599513][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.599513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.599513][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.599513][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.599513][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.599513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.599513][ T903] [ 5636.601200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5636.601200][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5636.601200][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5636.601200][ T903] ipv6_find_idev+0x102/0x170 [ 5636.601200][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5636.601200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5636.601200][ T903] netlink_rcv_skb+0x130/0x360 [ 5636.601200][ T903] netlink_unicast+0x449/0x710 [ 5636.601200][ T903] netlink_sendmsg+0x723/0xbe0 [ 5636.601200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5636.601200][ T903] ___sys_sendmsg+0xee/0x170 [ 5636.601200][ T903] __sys_sendmsg+0xcd/0x170 [ 5636.601200][ T903] do_syscall_64+0xc6/0x1e0 [ 5636.601200][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5636.601200][ T903] [ 5646.845737][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5646.846285][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5646.846285][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5646.846285][ T903] ip6_validate_gw+0x3eb/0x790 [ 5646.846285][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5646.846285][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5646.846285][ T903] ip6_route_add+0x1c/0x140 [ 5646.846285][ T903] inet6_rtm_newroute+0x104/0x110 [ 5646.846285][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.846285][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.846285][ T903] netlink_unicast+0x449/0x710 [ 5646.846285][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.846285][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.846285][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.846285][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.846285][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.846285][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.846285][ T903] [ 5646.848404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5646.848404][ T903] netdev_get_by_index+0x5e/0x80 [ 5646.848404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5646.848404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5646.848404][ T903] ip6_route_add+0x1c/0x140 [ 5646.848404][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5646.848404][ T903] inet6_addr_add+0x4f8/0xa40 [ 5646.848404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.848404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.848404][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.848404][ T903] netlink_unicast+0x449/0x710 [ 5646.848404][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.848404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.848404][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.848404][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.848404][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.848404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.848404][ T903] [ 5646.850628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5646.850628][ T903] netdev_get_by_index+0x5e/0x80 [ 5646.850628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5646.850628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5646.850628][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5646.850628][ T903] ipv6_add_addr+0x411/0x2000 [ 5646.850628][ T903] inet6_addr_add+0x30e/0xa40 [ 5646.850628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.850628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.850628][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.850628][ T903] netlink_unicast+0x449/0x710 [ 5646.850628][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.850628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.850628][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.850628][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.850628][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.850628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.850628][ T903] [ 5646.852847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5646.852847][ T903] netdev_get_by_index+0x5e/0x80 [ 5646.852847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5646.852847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5646.852847][ T903] ip6_route_add+0x1c/0x140 [ 5646.852847][ T903] addrconf_add_mroute+0x129/0x180 [ 5646.852847][ T903] addrconf_add_dev+0xe2/0x170 [ 5646.852847][ T903] inet6_addr_add+0x12f/0xa40 [ 5646.852847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5646.852847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.852847][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.852847][ T903] netlink_unicast+0x449/0x710 [ 5646.852847][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.852847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.852847][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.852847][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.852847][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.852847][ T903] [ 5646.855034][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5646.855034][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5646.855034][ T903] ipv6_find_idev+0x102/0x170 [ 5646.855034][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.855034][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.855034][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.855034][ T903] netlink_unicast+0x449/0x710 [ 5646.855034][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.855034][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.855034][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.855034][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.855034][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.855034][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.855034][ T903] [ 5646.856754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5646.856754][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5646.856754][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5646.856754][ T903] ipv6_find_idev+0x102/0x170 [ 5646.856754][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5646.856754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5646.856754][ T903] netlink_rcv_skb+0x130/0x360 [ 5646.856754][ T903] netlink_unicast+0x449/0x710 [ 5646.856754][ T903] netlink_sendmsg+0x723/0xbe0 [ 5646.856754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5646.856754][ T903] ___sys_sendmsg+0xee/0x170 [ 5646.856754][ T903] __sys_sendmsg+0xcd/0x170 [ 5646.856754][ T903] do_syscall_64+0xc6/0x1e0 [ 5646.856754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5646.856754][ T903] [ 5657.093908][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5657.094438][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5657.094438][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5657.094438][ T903] ip6_validate_gw+0x3eb/0x790 [ 5657.094438][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5657.094438][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5657.094438][ T903] ip6_route_add+0x1c/0x140 [ 5657.094438][ T903] inet6_rtm_newroute+0x104/0x110 [ 5657.094438][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.094438][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.094438][ T903] netlink_unicast+0x449/0x710 [ 5657.094438][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.094438][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.094438][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.094438][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.094438][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.094438][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.094438][ T903] [ 5657.096552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5657.096552][ T903] netdev_get_by_index+0x5e/0x80 [ 5657.096552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5657.096552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5657.096552][ T903] ip6_route_add+0x1c/0x140 [ 5657.096552][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5657.096552][ T903] inet6_addr_add+0x4f8/0xa40 [ 5657.096552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.096552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.096552][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.096552][ T903] netlink_unicast+0x449/0x710 [ 5657.096552][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.096552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.096552][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.096552][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.096552][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.096552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.096552][ T903] [ 5657.098766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5657.098766][ T903] netdev_get_by_index+0x5e/0x80 [ 5657.098766][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5657.098766][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5657.098766][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5657.098766][ T903] ipv6_add_addr+0x411/0x2000 [ 5657.098766][ T903] inet6_addr_add+0x30e/0xa40 [ 5657.098766][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.098766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.098766][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.098766][ T903] netlink_unicast+0x449/0x710 [ 5657.098766][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.098766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.098766][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.098766][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.098766][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.098766][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.098766][ T903] [ 5657.100935][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5657.100935][ T903] netdev_get_by_index+0x5e/0x80 [ 5657.100935][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5657.100935][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5657.100935][ T903] ip6_route_add+0x1c/0x140 [ 5657.100935][ T903] addrconf_add_mroute+0x129/0x180 [ 5657.100935][ T903] addrconf_add_dev+0xe2/0x170 [ 5657.100935][ T903] inet6_addr_add+0x12f/0xa40 [ 5657.100935][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.100935][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.100935][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.100935][ T903] netlink_unicast+0x449/0x710 [ 5657.100935][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.100935][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.100935][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.100935][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.100935][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.100935][ T903] [ 5657.103063][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5657.103063][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5657.103063][ T903] ipv6_find_idev+0x102/0x170 [ 5657.103063][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.103063][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.103063][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.103063][ T903] netlink_unicast+0x449/0x710 [ 5657.103063][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.103063][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.103063][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.103063][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.103063][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.103063][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.103063][ T903] [ 5657.104736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5657.104736][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5657.104736][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5657.104736][ T903] ipv6_find_idev+0x102/0x170 [ 5657.104736][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.104736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.104736][ T903] netlink_rcv_skb+0x130/0x360 [ 5657.104736][ T903] netlink_unicast+0x449/0x710 [ 5657.104736][ T903] netlink_sendmsg+0x723/0xbe0 [ 5657.104736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5657.104736][ T903] ___sys_sendmsg+0xee/0x170 [ 5657.104736][ T903] __sys_sendmsg+0xcd/0x170 [ 5657.104736][ T903] do_syscall_64+0xc6/0x1e0 [ 5657.104736][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.104736][ T903] [ 5667.133804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5667.134314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5667.134314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5667.134314][ T903] ip6_validate_gw+0x3eb/0x790 [ 5667.134314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5667.134314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5667.134314][ T903] ip6_route_add+0x1c/0x140 [ 5667.134314][ T903] inet6_rtm_newroute+0x104/0x110 [ 5667.134314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.134314][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.134314][ T903] netlink_unicast+0x449/0x710 [ 5667.134314][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.134314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.134314][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.134314][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.134314][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.134314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.134314][ T903] [ 5667.136481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5667.136481][ T903] netdev_get_by_index+0x5e/0x80 [ 5667.136481][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5667.136481][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5667.136481][ T903] ip6_route_add+0x1c/0x140 [ 5667.136481][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5667.136481][ T903] inet6_addr_add+0x4f8/0xa40 [ 5667.136481][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.136481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.136481][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.136481][ T903] netlink_unicast+0x449/0x710 [ 5667.136481][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.136481][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.136481][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.136481][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.136481][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.136481][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.136481][ T903] [ 5667.138744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5667.138744][ T903] netdev_get_by_index+0x5e/0x80 [ 5667.138744][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5667.138744][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5667.138744][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5667.138744][ T903] ipv6_add_addr+0x411/0x2000 [ 5667.138744][ T903] inet6_addr_add+0x30e/0xa40 [ 5667.138744][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.138744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.138744][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.138744][ T903] netlink_unicast+0x449/0x710 [ 5667.138744][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.138744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.138744][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.138744][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.138744][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.138744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.138744][ T903] [ 5667.140942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5667.140942][ T903] netdev_get_by_index+0x5e/0x80 [ 5667.140942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5667.140942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5667.140942][ T903] ip6_route_add+0x1c/0x140 [ 5667.140942][ T903] addrconf_add_mroute+0x129/0x180 [ 5667.140942][ T903] addrconf_add_dev+0xe2/0x170 [ 5667.140942][ T903] inet6_addr_add+0x12f/0xa40 [ 5667.140942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.140942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.140942][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.140942][ T903] netlink_unicast+0x449/0x710 [ 5667.140942][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.140942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.140942][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.140942][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.140942][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.140942][ T903] [ 5667.143137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5667.143137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5667.143137][ T903] ipv6_find_idev+0x102/0x170 [ 5667.143137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.143137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.143137][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.143137][ T903] netlink_unicast+0x449/0x710 [ 5667.143137][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.143137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.143137][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.143137][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.143137][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.143137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.143137][ T903] [ 5667.144850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5667.144850][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5667.144850][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5667.144850][ T903] ipv6_find_idev+0x102/0x170 [ 5667.144850][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.144850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.144850][ T903] netlink_rcv_skb+0x130/0x360 [ 5667.144850][ T903] netlink_unicast+0x449/0x710 [ 5667.144850][ T903] netlink_sendmsg+0x723/0xbe0 [ 5667.144850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5667.144850][ T903] ___sys_sendmsg+0xee/0x170 [ 5667.144850][ T903] __sys_sendmsg+0xcd/0x170 [ 5667.144850][ T903] do_syscall_64+0xc6/0x1e0 [ 5667.144850][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.144850][ T903] [ 5677.397814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5677.398340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5677.398340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5677.398340][ T903] ip6_validate_gw+0x3eb/0x790 [ 5677.398340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5677.398340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5677.398340][ T903] ip6_route_add+0x1c/0x140 [ 5677.398340][ T903] inet6_rtm_newroute+0x104/0x110 [ 5677.398340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.398340][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.398340][ T903] netlink_unicast+0x449/0x710 [ 5677.398340][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.398340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.398340][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.398340][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.398340][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.398340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.398340][ T903] [ 5677.400464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5677.400464][ T903] netdev_get_by_index+0x5e/0x80 [ 5677.400464][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5677.400464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5677.400464][ T903] ip6_route_add+0x1c/0x140 [ 5677.400464][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5677.400464][ T903] inet6_addr_add+0x4f8/0xa40 [ 5677.400464][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.400464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.400464][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.400464][ T903] netlink_unicast+0x449/0x710 [ 5677.400464][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.400464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.400464][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.400464][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.400464][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.400464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.400464][ T903] [ 5677.402690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5677.402690][ T903] netdev_get_by_index+0x5e/0x80 [ 5677.402690][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5677.402690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5677.402690][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5677.402690][ T903] ipv6_add_addr+0x411/0x2000 [ 5677.402690][ T903] inet6_addr_add+0x30e/0xa40 [ 5677.402690][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.402690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.402690][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.402690][ T903] netlink_unicast+0x449/0x710 [ 5677.402690][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.402690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.402690][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.402690][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.402690][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.402690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.402690][ T903] [ 5677.404908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5677.404908][ T903] netdev_get_by_index+0x5e/0x80 [ 5677.404908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5677.404908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5677.404908][ T903] ip6_route_add+0x1c/0x140 [ 5677.404908][ T903] addrconf_add_mroute+0x129/0x180 [ 5677.404908][ T903] addrconf_add_dev+0xe2/0x170 [ 5677.404908][ T903] inet6_addr_add+0x12f/0xa40 [ 5677.404908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5677.404908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.404908][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.404908][ T903] netlink_unicast+0x449/0x710 [ 5677.404908][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.404908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.404908][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.404908][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.404908][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.404908][ T903] [ 5677.407108][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5677.407108][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5677.407108][ T903] ipv6_find_idev+0x102/0x170 [ 5677.407108][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.407108][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.407108][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.407108][ T903] netlink_unicast+0x449/0x710 [ 5677.407108][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.407108][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.407108][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.407108][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.407108][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.407108][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.407108][ T903] [ 5677.408826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5677.408826][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5677.408826][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5677.408826][ T903] ipv6_find_idev+0x102/0x170 [ 5677.408826][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5677.408826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5677.408826][ T903] netlink_rcv_skb+0x130/0x360 [ 5677.408826][ T903] netlink_unicast+0x449/0x710 [ 5677.408826][ T903] netlink_sendmsg+0x723/0xbe0 [ 5677.408826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5677.408826][ T903] ___sys_sendmsg+0xee/0x170 [ 5677.408826][ T903] __sys_sendmsg+0xcd/0x170 [ 5677.408826][ T903] do_syscall_64+0xc6/0x1e0 [ 5677.408826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5677.408826][ T903] [ 5687.661858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5687.662362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5687.662362][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5687.662362][ T903] ip6_validate_gw+0x3eb/0x790 [ 5687.662362][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5687.662362][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5687.662362][ T903] ip6_route_add+0x1c/0x140 [ 5687.662362][ T903] inet6_rtm_newroute+0x104/0x110 [ 5687.662362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.662362][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.662362][ T903] netlink_unicast+0x449/0x710 [ 5687.662362][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.662362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.662362][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.662362][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.662362][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.662362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.662362][ T903] [ 5687.664466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5687.664466][ T903] netdev_get_by_index+0x5e/0x80 [ 5687.664466][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5687.664466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5687.664466][ T903] ip6_route_add+0x1c/0x140 [ 5687.664466][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5687.664466][ T903] inet6_addr_add+0x4f8/0xa40 [ 5687.664466][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.664466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.664466][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.664466][ T903] netlink_unicast+0x449/0x710 [ 5687.664466][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.664466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.664466][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.664466][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.664466][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.664466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.664466][ T903] [ 5687.666675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5687.666675][ T903] netdev_get_by_index+0x5e/0x80 [ 5687.666675][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5687.666675][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5687.666675][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5687.666675][ T903] ipv6_add_addr+0x411/0x2000 [ 5687.666675][ T903] inet6_addr_add+0x30e/0xa40 [ 5687.666675][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.666675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.666675][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.666675][ T903] netlink_unicast+0x449/0x710 [ 5687.666675][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.666675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.666675][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.666675][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.666675][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.666675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.666675][ T903] [ 5687.668892][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5687.668892][ T903] netdev_get_by_index+0x5e/0x80 [ 5687.668892][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5687.668892][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5687.668892][ T903] ip6_route_add+0x1c/0x140 [ 5687.668892][ T903] addrconf_add_mroute+0x129/0x180 [ 5687.668892][ T903] addrconf_add_dev+0xe2/0x170 [ 5687.668892][ T903] inet6_addr_add+0x12f/0xa40 [ 5687.668892][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5687.668892][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.668892][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.668892][ T903] netlink_unicast+0x449/0x710 [ 5687.668892][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.668892][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.668892][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.668892][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.668892][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.668892][ T903] [ 5687.671053][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5687.671053][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5687.671053][ T903] ipv6_find_idev+0x102/0x170 [ 5687.671053][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.671053][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.671053][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.671053][ T903] netlink_unicast+0x449/0x710 [ 5687.671053][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.671053][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.671053][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.671053][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.671053][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.671053][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.671053][ T903] [ 5687.672745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5687.672745][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5687.672745][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5687.672745][ T903] ipv6_find_idev+0x102/0x170 [ 5687.672745][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5687.672745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5687.672745][ T903] netlink_rcv_skb+0x130/0x360 [ 5687.672745][ T903] netlink_unicast+0x449/0x710 [ 5687.672745][ T903] netlink_sendmsg+0x723/0xbe0 [ 5687.672745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5687.672745][ T903] ___sys_sendmsg+0xee/0x170 [ 5687.672745][ T903] __sys_sendmsg+0xcd/0x170 [ 5687.672745][ T903] do_syscall_64+0xc6/0x1e0 [ 5687.672745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5687.672745][ T903] [ 5697.917871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5697.918448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5697.918448][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5697.918448][ T903] ip6_validate_gw+0x3eb/0x790 [ 5697.918448][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5697.918448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5697.918448][ T903] ip6_route_add+0x1c/0x140 [ 5697.918448][ T903] inet6_rtm_newroute+0x104/0x110 [ 5697.918448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.918448][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.918448][ T903] netlink_unicast+0x449/0x710 [ 5697.918448][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.918448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.918448][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.918448][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.918448][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.918448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.918448][ T903] [ 5697.920567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5697.920567][ T903] netdev_get_by_index+0x5e/0x80 [ 5697.920567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5697.920567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5697.920567][ T903] ip6_route_add+0x1c/0x140 [ 5697.920567][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5697.920567][ T903] inet6_addr_add+0x4f8/0xa40 [ 5697.920567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.920567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.920567][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.920567][ T903] netlink_unicast+0x449/0x710 [ 5697.920567][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.920567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.920567][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.920567][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.920567][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.920567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.920567][ T903] [ 5697.922793][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5697.922793][ T903] netdev_get_by_index+0x5e/0x80 [ 5697.922793][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5697.922793][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5697.922793][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5697.922793][ T903] ipv6_add_addr+0x411/0x2000 [ 5697.922793][ T903] inet6_addr_add+0x30e/0xa40 [ 5697.922793][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.922793][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.922793][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.922793][ T903] netlink_unicast+0x449/0x710 [ 5697.922793][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.922793][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.922793][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.922793][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.922793][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.922793][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.922793][ T903] [ 5697.924972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5697.924972][ T903] netdev_get_by_index+0x5e/0x80 [ 5697.924972][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5697.924972][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5697.924972][ T903] ip6_route_add+0x1c/0x140 [ 5697.924972][ T903] addrconf_add_mroute+0x129/0x180 [ 5697.924972][ T903] addrconf_add_dev+0xe2/0x170 [ 5697.924972][ T903] inet6_addr_add+0x12f/0xa40 [ 5697.924972][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5697.924972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.924972][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.924972][ T903] netlink_unicast+0x449/0x710 [ 5697.924972][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.924972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.924972][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.924972][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.924972][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.924972][ T903] [ 5697.927156][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5697.927156][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5697.927156][ T903] ipv6_find_idev+0x102/0x170 [ 5697.927156][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5697.927156][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.927156][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.927156][ T903] netlink_unicast+0x449/0x710 [ 5697.927156][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.927156][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.927156][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.927156][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.927156][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.927156][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.927156][ T903] [ 5697.928876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5697.928876][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5697.928876][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5697.928876][ T903] ipv6_find_idev+0x102/0x170 [ 5697.928876][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5697.928876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5697.928876][ T903] netlink_rcv_skb+0x130/0x360 [ 5697.928876][ T903] netlink_unicast+0x449/0x710 [ 5697.928876][ T903] netlink_sendmsg+0x723/0xbe0 [ 5697.928876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5697.928876][ T903] ___sys_sendmsg+0xee/0x170 [ 5697.928876][ T903] __sys_sendmsg+0xcd/0x170 [ 5697.928876][ T903] do_syscall_64+0xc6/0x1e0 [ 5697.928876][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5697.928876][ T903] [ 5708.181865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5708.182479][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5708.182479][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5708.182479][ T903] ip6_validate_gw+0x3eb/0x790 [ 5708.182479][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5708.182479][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5708.182479][ T903] ip6_route_add+0x1c/0x140 [ 5708.182479][ T903] inet6_rtm_newroute+0x104/0x110 [ 5708.182479][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.182479][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.182479][ T903] netlink_unicast+0x449/0x710 [ 5708.182479][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.182479][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.182479][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.182479][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.182479][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.182479][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.182479][ T903] [ 5708.184549][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5708.184549][ T903] netdev_get_by_index+0x5e/0x80 [ 5708.184549][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5708.184549][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5708.184549][ T903] ip6_route_add+0x1c/0x140 [ 5708.184549][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5708.184549][ T903] inet6_addr_add+0x4f8/0xa40 [ 5708.184549][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.184549][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.184549][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.184549][ T903] netlink_unicast+0x449/0x710 [ 5708.184549][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.184549][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.184549][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.184549][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.184549][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.184549][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.184549][ T903] [ 5708.186715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5708.186715][ T903] netdev_get_by_index+0x5e/0x80 [ 5708.186715][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5708.186715][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5708.186715][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5708.186715][ T903] ipv6_add_addr+0x411/0x2000 [ 5708.186715][ T903] inet6_addr_add+0x30e/0xa40 [ 5708.186715][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.186715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.186715][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.186715][ T903] netlink_unicast+0x449/0x710 [ 5708.186715][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.186715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.186715][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.186715][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.186715][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.186715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.186715][ T903] [ 5708.188896][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5708.188896][ T903] netdev_get_by_index+0x5e/0x80 [ 5708.188896][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5708.188896][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5708.188896][ T903] ip6_route_add+0x1c/0x140 [ 5708.188896][ T903] addrconf_add_mroute+0x129/0x180 [ 5708.188896][ T903] addrconf_add_dev+0xe2/0x170 [ 5708.188896][ T903] inet6_addr_add+0x12f/0xa40 [ 5708.188896][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.188896][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.188896][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.188896][ T903] netlink_unicast+0x449/0x710 [ 5708.188896][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.188896][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.188896][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.188896][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.188896][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.188896][ T903] [ 5708.191061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5708.191061][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5708.191061][ T903] ipv6_find_idev+0x102/0x170 [ 5708.191061][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.191061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.191061][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.191061][ T903] netlink_unicast+0x449/0x710 [ 5708.191061][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.191061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.191061][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.191061][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.191061][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.191061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.191061][ T903] [ 5708.192734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5708.192734][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5708.192734][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5708.192734][ T903] ipv6_find_idev+0x102/0x170 [ 5708.192734][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.192734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.192734][ T903] netlink_rcv_skb+0x130/0x360 [ 5708.192734][ T903] netlink_unicast+0x449/0x710 [ 5708.192734][ T903] netlink_sendmsg+0x723/0xbe0 [ 5708.192734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5708.192734][ T903] ___sys_sendmsg+0xee/0x170 [ 5708.192734][ T903] __sys_sendmsg+0xcd/0x170 [ 5708.192734][ T903] do_syscall_64+0xc6/0x1e0 [ 5708.192734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.192734][ T903] [ 5718.445869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5718.446384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5718.446384][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5718.446384][ T903] ip6_validate_gw+0x3eb/0x790 [ 5718.446384][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5718.446384][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5718.446384][ T903] ip6_route_add+0x1c/0x140 [ 5718.446384][ T903] inet6_rtm_newroute+0x104/0x110 [ 5718.446384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.446384][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.446384][ T903] netlink_unicast+0x449/0x710 [ 5718.446384][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.446384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.446384][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.446384][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.446384][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.446384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.446384][ T903] [ 5718.448428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5718.448428][ T903] netdev_get_by_index+0x5e/0x80 [ 5718.448428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5718.448428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5718.448428][ T903] ip6_route_add+0x1c/0x140 [ 5718.448428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5718.448428][ T903] inet6_addr_add+0x4f8/0xa40 [ 5718.448428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.448428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.448428][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.448428][ T903] netlink_unicast+0x449/0x710 [ 5718.448428][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.448428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.448428][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.448428][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.448428][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.448428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.448428][ T903] [ 5718.450579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5718.450579][ T903] netdev_get_by_index+0x5e/0x80 [ 5718.450579][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5718.450579][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5718.450579][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5718.450579][ T903] ipv6_add_addr+0x411/0x2000 [ 5718.450579][ T903] inet6_addr_add+0x30e/0xa40 [ 5718.450579][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.450579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.450579][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.450579][ T903] netlink_unicast+0x449/0x710 [ 5718.450579][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.450579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.450579][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.450579][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.450579][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.450579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.450579][ T903] [ 5718.452773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5718.452773][ T903] netdev_get_by_index+0x5e/0x80 [ 5718.452773][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5718.452773][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5718.452773][ T903] ip6_route_add+0x1c/0x140 [ 5718.452773][ T903] addrconf_add_mroute+0x129/0x180 [ 5718.452773][ T903] addrconf_add_dev+0xe2/0x170 [ 5718.452773][ T903] inet6_addr_add+0x12f/0xa40 [ 5718.452773][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5718.452773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.452773][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.452773][ T903] netlink_unicast+0x449/0x710 [ 5718.452773][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.452773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.452773][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.452773][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.452773][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.452773][ T903] [ 5718.454887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5718.454887][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5718.454887][ T903] ipv6_find_idev+0x102/0x170 [ 5718.454887][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.454887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.454887][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.454887][ T903] netlink_unicast+0x449/0x710 [ 5718.454887][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.454887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.454887][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.454887][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.454887][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.454887][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.454887][ T903] [ 5718.456580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5718.456580][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5718.456580][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5718.456580][ T903] ipv6_find_idev+0x102/0x170 [ 5718.456580][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5718.456580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5718.456580][ T903] netlink_rcv_skb+0x130/0x360 [ 5718.456580][ T903] netlink_unicast+0x449/0x710 [ 5718.456580][ T903] netlink_sendmsg+0x723/0xbe0 [ 5718.456580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5718.456580][ T903] ___sys_sendmsg+0xee/0x170 [ 5718.456580][ T903] __sys_sendmsg+0xcd/0x170 [ 5718.456580][ T903] do_syscall_64+0xc6/0x1e0 [ 5718.456580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5718.456580][ T903] [ 5728.709878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5728.710613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5728.710613][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5728.710613][ T903] ip6_validate_gw+0x3eb/0x790 [ 5728.710613][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5728.710613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5728.710613][ T903] ip6_route_add+0x1c/0x140 [ 5728.710613][ T903] inet6_rtm_newroute+0x104/0x110 [ 5728.710613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.710613][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.710613][ T903] netlink_unicast+0x449/0x710 [ 5728.710613][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.710613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.710613][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.710613][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.710613][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.710613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.710613][ T903] [ 5728.712736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5728.712736][ T903] netdev_get_by_index+0x5e/0x80 [ 5728.712736][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5728.712736][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5728.712736][ T903] ip6_route_add+0x1c/0x140 [ 5728.712736][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5728.712736][ T903] inet6_addr_add+0x4f8/0xa40 [ 5728.712736][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.712736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.712736][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.712736][ T903] netlink_unicast+0x449/0x710 [ 5728.712736][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.712736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.712736][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.712736][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.712736][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.712736][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.712736][ T903] [ 5728.714913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5728.714913][ T903] netdev_get_by_index+0x5e/0x80 [ 5728.714913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5728.714913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5728.714913][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5728.714913][ T903] ipv6_add_addr+0x411/0x2000 [ 5728.714913][ T903] inet6_addr_add+0x30e/0xa40 [ 5728.714913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.714913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.714913][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.714913][ T903] netlink_unicast+0x449/0x710 [ 5728.714913][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.714913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.714913][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.714913][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.714913][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.714913][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.714913][ T903] [ 5728.717134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5728.717134][ T903] netdev_get_by_index+0x5e/0x80 [ 5728.717134][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5728.717134][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5728.717134][ T903] ip6_route_add+0x1c/0x140 [ 5728.717134][ T903] addrconf_add_mroute+0x129/0x180 [ 5728.717134][ T903] addrconf_add_dev+0xe2/0x170 [ 5728.717134][ T903] inet6_addr_add+0x12f/0xa40 [ 5728.717134][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5728.717134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.717134][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.717134][ T903] netlink_unicast+0x449/0x710 [ 5728.717134][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.717134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.717134][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.717134][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.717134][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.717134][ T903] [ 5728.719281][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5728.719281][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5728.719281][ T903] ipv6_find_idev+0x102/0x170 [ 5728.719281][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.719281][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.719281][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.719281][ T903] netlink_unicast+0x449/0x710 [ 5728.719281][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.719281][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.719281][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.719281][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.719281][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.719281][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.719281][ T903] [ 5728.720967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5728.720967][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5728.720967][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5728.720967][ T903] ipv6_find_idev+0x102/0x170 [ 5728.720967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5728.720967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5728.720967][ T903] netlink_rcv_skb+0x130/0x360 [ 5728.720967][ T903] netlink_unicast+0x449/0x710 [ 5728.720967][ T903] netlink_sendmsg+0x723/0xbe0 [ 5728.720967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5728.720967][ T903] ___sys_sendmsg+0xee/0x170 [ 5728.720967][ T903] __sys_sendmsg+0xcd/0x170 [ 5728.720967][ T903] do_syscall_64+0xc6/0x1e0 [ 5728.720967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5728.720967][ T903] [ 5738.973835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5738.974274][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5738.974274][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5738.974274][ T903] ip6_validate_gw+0x3eb/0x790 [ 5738.974274][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5738.974274][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5738.974274][ T903] ip6_route_add+0x1c/0x140 [ 5738.974274][ T903] inet6_rtm_newroute+0x104/0x110 [ 5738.974274][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.974274][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.974274][ T903] netlink_unicast+0x449/0x710 [ 5738.974274][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.974274][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.974274][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.974274][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.974274][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.974274][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.974274][ T903] [ 5738.976373][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5738.976373][ T903] netdev_get_by_index+0x5e/0x80 [ 5738.976373][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5738.976373][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5738.976373][ T903] ip6_route_add+0x1c/0x140 [ 5738.976373][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5738.976373][ T903] inet6_addr_add+0x4f8/0xa40 [ 5738.976373][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.976373][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.976373][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.976373][ T903] netlink_unicast+0x449/0x710 [ 5738.976373][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.976373][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.976373][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.976373][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.976373][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.976373][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.976373][ T903] [ 5738.978565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5738.978565][ T903] netdev_get_by_index+0x5e/0x80 [ 5738.978565][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5738.978565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5738.978565][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5738.978565][ T903] ipv6_add_addr+0x411/0x2000 [ 5738.978565][ T903] inet6_addr_add+0x30e/0xa40 [ 5738.978565][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.978565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.978565][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.978565][ T903] netlink_unicast+0x449/0x710 [ 5738.978565][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.978565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.978565][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.978565][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.978565][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.978565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.978565][ T903] [ 5738.980751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5738.980751][ T903] netdev_get_by_index+0x5e/0x80 [ 5738.980751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5738.980751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5738.980751][ T903] ip6_route_add+0x1c/0x140 [ 5738.980751][ T903] addrconf_add_mroute+0x129/0x180 [ 5738.980751][ T903] addrconf_add_dev+0xe2/0x170 [ 5738.980751][ T903] inet6_addr_add+0x12f/0xa40 [ 5738.980751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5738.980751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.980751][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.980751][ T903] netlink_unicast+0x449/0x710 [ 5738.980751][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.980751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.980751][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.980751][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.980751][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.980751][ T903] [ 5738.982893][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5738.982893][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5738.982893][ T903] ipv6_find_idev+0x102/0x170 [ 5738.982893][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5738.982893][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.982893][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.982893][ T903] netlink_unicast+0x449/0x710 [ 5738.982893][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.982893][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.982893][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.982893][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.982893][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.982893][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.982893][ T903] [ 5738.984591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5738.984591][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5738.984591][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5738.984591][ T903] ipv6_find_idev+0x102/0x170 [ 5738.984591][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5738.984591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5738.984591][ T903] netlink_rcv_skb+0x130/0x360 [ 5738.984591][ T903] netlink_unicast+0x449/0x710 [ 5738.984591][ T903] netlink_sendmsg+0x723/0xbe0 [ 5738.984591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5738.984591][ T903] ___sys_sendmsg+0xee/0x170 [ 5738.984591][ T903] __sys_sendmsg+0xcd/0x170 [ 5738.984591][ T903] do_syscall_64+0xc6/0x1e0 [ 5738.984591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5738.984591][ T903] [ 5749.237878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5749.238320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5749.238320][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5749.238320][ T903] ip6_validate_gw+0x3eb/0x790 [ 5749.238320][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5749.238320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5749.238320][ T903] ip6_route_add+0x1c/0x140 [ 5749.238320][ T903] inet6_rtm_newroute+0x104/0x110 [ 5749.238320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.238320][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.238320][ T903] netlink_unicast+0x449/0x710 [ 5749.238320][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.238320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.238320][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.238320][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.238320][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.238320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.238320][ T903] [ 5749.240483][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5749.240483][ T903] netdev_get_by_index+0x5e/0x80 [ 5749.240483][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5749.240483][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5749.240483][ T903] ip6_route_add+0x1c/0x140 [ 5749.240483][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5749.240483][ T903] inet6_addr_add+0x4f8/0xa40 [ 5749.240483][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.240483][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.240483][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.240483][ T903] netlink_unicast+0x449/0x710 [ 5749.240483][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.240483][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.240483][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.240483][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.240483][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.240483][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.240483][ T903] [ 5749.242697][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5749.242697][ T903] netdev_get_by_index+0x5e/0x80 [ 5749.242697][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5749.242697][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5749.242697][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5749.242697][ T903] ipv6_add_addr+0x411/0x2000 [ 5749.242697][ T903] inet6_addr_add+0x30e/0xa40 [ 5749.242697][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.242697][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.242697][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.242697][ T903] netlink_unicast+0x449/0x710 [ 5749.242697][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.242697][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.242697][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.242697][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.242697][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.242697][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.242697][ T903] [ 5749.244920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5749.244920][ T903] netdev_get_by_index+0x5e/0x80 [ 5749.244920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5749.244920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5749.244920][ T903] ip6_route_add+0x1c/0x140 [ 5749.244920][ T903] addrconf_add_mroute+0x129/0x180 [ 5749.244920][ T903] addrconf_add_dev+0xe2/0x170 [ 5749.244920][ T903] inet6_addr_add+0x12f/0xa40 [ 5749.244920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.244920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.244920][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.244920][ T903] netlink_unicast+0x449/0x710 [ 5749.244920][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.244920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.244920][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.244920][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.244920][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.244920][ T903] [ 5749.247111][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5749.247111][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5749.247111][ T903] ipv6_find_idev+0x102/0x170 [ 5749.247111][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.247111][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.247111][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.247111][ T903] netlink_unicast+0x449/0x710 [ 5749.247111][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.247111][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.247111][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.247111][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.247111][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.247111][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.247111][ T903] [ 5749.248806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5749.248806][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5749.248806][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5749.248806][ T903] ipv6_find_idev+0x102/0x170 [ 5749.248806][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.248806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.248806][ T903] netlink_rcv_skb+0x130/0x360 [ 5749.248806][ T903] netlink_unicast+0x449/0x710 [ 5749.248806][ T903] netlink_sendmsg+0x723/0xbe0 [ 5749.248806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5749.248806][ T903] ___sys_sendmsg+0xee/0x170 [ 5749.248806][ T903] __sys_sendmsg+0xcd/0x170 [ 5749.248806][ T903] do_syscall_64+0xc6/0x1e0 [ 5749.248806][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.248806][ T903] [ 5759.501826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5759.502348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5759.502348][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5759.502348][ T903] ip6_validate_gw+0x3eb/0x790 [ 5759.502348][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5759.502348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5759.502348][ T903] ip6_route_add+0x1c/0x140 [ 5759.502348][ T903] inet6_rtm_newroute+0x104/0x110 [ 5759.502348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.502348][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.502348][ T903] netlink_unicast+0x449/0x710 [ 5759.502348][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.502348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.502348][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.502348][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.502348][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.502348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.502348][ T903] [ 5759.504487][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5759.504487][ T903] netdev_get_by_index+0x5e/0x80 [ 5759.504487][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5759.504487][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5759.504487][ T903] ip6_route_add+0x1c/0x140 [ 5759.504487][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5759.504487][ T903] inet6_addr_add+0x4f8/0xa40 [ 5759.504487][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.504487][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.504487][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.504487][ T903] netlink_unicast+0x449/0x710 [ 5759.504487][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.504487][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.504487][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.504487][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.504487][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.504487][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.504487][ T903] [ 5759.506733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5759.506733][ T903] netdev_get_by_index+0x5e/0x80 [ 5759.506733][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5759.506733][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5759.506733][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5759.506733][ T903] ipv6_add_addr+0x411/0x2000 [ 5759.506733][ T903] inet6_addr_add+0x30e/0xa40 [ 5759.506733][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.506733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.506733][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.506733][ T903] netlink_unicast+0x449/0x710 [ 5759.506733][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.506733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.506733][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.506733][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.506733][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.506733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.506733][ T903] [ 5759.508955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5759.508955][ T903] netdev_get_by_index+0x5e/0x80 [ 5759.508955][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5759.508955][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5759.508955][ T903] ip6_route_add+0x1c/0x140 [ 5759.508955][ T903] addrconf_add_mroute+0x129/0x180 [ 5759.508955][ T903] addrconf_add_dev+0xe2/0x170 [ 5759.508955][ T903] inet6_addr_add+0x12f/0xa40 [ 5759.508955][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5759.508955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.508955][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.508955][ T903] netlink_unicast+0x449/0x710 [ 5759.508955][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.508955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.508955][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.508955][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.508955][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.508955][ T903] [ 5759.511134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5759.511134][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5759.511134][ T903] ipv6_find_idev+0x102/0x170 [ 5759.511134][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.511134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.511134][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.511134][ T903] netlink_unicast+0x449/0x710 [ 5759.511134][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.511134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.511134][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.511134][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.511134][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.511134][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.511134][ T903] [ 5759.512846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5759.512846][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5759.512846][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5759.512846][ T903] ipv6_find_idev+0x102/0x170 [ 5759.512846][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5759.512846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5759.512846][ T903] netlink_rcv_skb+0x130/0x360 [ 5759.512846][ T903] netlink_unicast+0x449/0x710 [ 5759.512846][ T903] netlink_sendmsg+0x723/0xbe0 [ 5759.512846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5759.512846][ T903] ___sys_sendmsg+0xee/0x170 [ 5759.512846][ T903] __sys_sendmsg+0xcd/0x170 [ 5759.512846][ T903] do_syscall_64+0xc6/0x1e0 [ 5759.512846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5759.512846][ T903] [ 5769.525951][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5769.526402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5769.526402][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5769.526402][ T903] ip6_validate_gw+0x3eb/0x790 [ 5769.526402][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5769.526402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5769.526402][ T903] ip6_route_add+0x1c/0x140 [ 5769.526402][ T903] inet6_rtm_newroute+0x104/0x110 [ 5769.526402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.526402][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.526402][ T903] netlink_unicast+0x449/0x710 [ 5769.526402][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.526402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.526402][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.526402][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.526402][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.526402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5769.526402][ T903] [ 5769.528495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5769.528495][ T903] netdev_get_by_index+0x5e/0x80 [ 5769.528495][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5769.528495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5769.528495][ T903] ip6_route_add+0x1c/0x140 [ 5769.528495][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5769.528495][ T903] inet6_addr_add+0x4f8/0xa40 [ 5769.528495][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5769.528495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.528495][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.528495][ T903] netlink_unicast+0x449/0x710 [ 5769.528495][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.528495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.528495][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.528495][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.528495][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.528495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5769.528495][ T903] [ 5769.530691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5769.530691][ T903] netdev_get_by_index+0x5e/0x80 [ 5769.530691][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5769.530691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5769.530691][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5769.530691][ T903] ipv6_add_addr+0x411/0x2000 [ 5769.530691][ T903] inet6_addr_add+0x30e/0xa40 [ 5769.530691][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5769.530691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.530691][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.530691][ T903] netlink_unicast+0x449/0x710 [ 5769.530691][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.530691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.530691][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.530691][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.530691][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.530691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5769.530691][ T903] [ 5769.532887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5769.532887][ T903] netdev_get_by_index+0x5e/0x80 [ 5769.532887][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5769.532887][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5769.532887][ T903] ip6_route_add+0x1c/0x140 [ 5769.532887][ T903] addrconf_add_mroute+0x129/0x180 [ 5769.532887][ T903] addrconf_add_dev+0xe2/0x170 [ 5769.532887][ T903] inet6_addr_add+0x12f/0xa40 [ 5769.532887][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5769.532887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.532887][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.532887][ T903] netlink_unicast+0x449/0x710 [ 5769.532887][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.532887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.532887][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.532887][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.532887][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.532887][ T903] [ 5769.535049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5769.535049][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5769.535049][ T903] ipv6_find_idev+0x102/0x170 [ 5769.535049][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5769.535049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.535049][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.535049][ T903] netlink_unicast+0x449/0x710 [ 5769.535049][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.535049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.535049][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.535049][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.535049][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.535049][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5769.535049][ T903] [ 5769.536770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5769.536770][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5769.536770][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5769.536770][ T903] ipv6_find_idev+0x102/0x170 [ 5769.536770][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5769.536770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5769.536770][ T903] netlink_rcv_skb+0x130/0x360 [ 5769.536770][ T903] netlink_unicast+0x449/0x710 [ 5769.536770][ T903] netlink_sendmsg+0x723/0xbe0 [ 5769.536770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5769.536770][ T903] ___sys_sendmsg+0xee/0x170 [ 5769.536770][ T903] __sys_sendmsg+0xcd/0x170 [ 5769.536770][ T903] do_syscall_64+0xc6/0x1e0 [ 5769.536770][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5769.536770][ T903] [ 5779.773882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5779.774327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5779.774327][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5779.774327][ T903] ip6_validate_gw+0x3eb/0x790 [ 5779.774327][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5779.774327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5779.774327][ T903] ip6_route_add+0x1c/0x140 [ 5779.774327][ T903] inet6_rtm_newroute+0x104/0x110 [ 5779.774327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.774327][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.774327][ T903] netlink_unicast+0x449/0x710 [ 5779.774327][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.774327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.774327][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.774327][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.774327][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.774327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5779.774327][ T903] [ 5779.776448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5779.776448][ T903] netdev_get_by_index+0x5e/0x80 [ 5779.776448][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5779.776448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5779.776448][ T903] ip6_route_add+0x1c/0x140 [ 5779.776448][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5779.776448][ T903] inet6_addr_add+0x4f8/0xa40 [ 5779.776448][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5779.776448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.776448][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.776448][ T903] netlink_unicast+0x449/0x710 [ 5779.776448][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.776448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.776448][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.776448][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.776448][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.776448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5779.776448][ T903] [ 5779.778637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5779.778637][ T903] netdev_get_by_index+0x5e/0x80 [ 5779.778637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5779.778637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5779.778637][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5779.778637][ T903] ipv6_add_addr+0x411/0x2000 [ 5779.778637][ T903] inet6_addr_add+0x30e/0xa40 [ 5779.778637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5779.778637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.778637][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.778637][ T903] netlink_unicast+0x449/0x710 [ 5779.778637][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.778637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.778637][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.778637][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.778637][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.778637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5779.778637][ T903] [ 5779.780823][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5779.780823][ T903] netdev_get_by_index+0x5e/0x80 [ 5779.780823][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5779.780823][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5779.780823][ T903] ip6_route_add+0x1c/0x140 [ 5779.780823][ T903] addrconf_add_mroute+0x129/0x180 [ 5779.780823][ T903] addrconf_add_dev+0xe2/0x170 [ 5779.780823][ T903] inet6_addr_add+0x12f/0xa40 [ 5779.780823][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5779.780823][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.780823][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.780823][ T903] netlink_unicast+0x449/0x710 [ 5779.780823][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.780823][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.780823][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.780823][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.780823][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.780823][ T903] [ 5779.782972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5779.782972][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5779.782972][ T903] ipv6_find_idev+0x102/0x170 [ 5779.782972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5779.782972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.782972][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.782972][ T903] netlink_unicast+0x449/0x710 [ 5779.782972][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.782972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.782972][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.782972][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.782972][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.782972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5779.782972][ T903] [ 5779.784654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5779.784654][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5779.784654][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5779.784654][ T903] ipv6_find_idev+0x102/0x170 [ 5779.784654][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5779.784654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5779.784654][ T903] netlink_rcv_skb+0x130/0x360 [ 5779.784654][ T903] netlink_unicast+0x449/0x710 [ 5779.784654][ T903] netlink_sendmsg+0x723/0xbe0 [ 5779.784654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5779.784654][ T903] ___sys_sendmsg+0xee/0x170 [ 5779.784654][ T903] __sys_sendmsg+0xcd/0x170 [ 5779.784654][ T903] do_syscall_64+0xc6/0x1e0 [ 5779.784654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5779.784654][ T903] [ 5790.005909][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5790.006550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5790.006550][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5790.006550][ T903] ip6_validate_gw+0x3eb/0x790 [ 5790.006550][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5790.006550][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5790.006550][ T903] ip6_route_add+0x1c/0x140 [ 5790.006550][ T903] inet6_rtm_newroute+0x104/0x110 [ 5790.006550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.006550][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.006550][ T903] netlink_unicast+0x449/0x710 [ 5790.006550][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.006550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.006550][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.006550][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.006550][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.006550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.006550][ T903] [ 5790.008576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5790.008576][ T903] netdev_get_by_index+0x5e/0x80 [ 5790.008576][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5790.008576][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5790.008576][ T903] ip6_route_add+0x1c/0x140 [ 5790.008576][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5790.008576][ T903] inet6_addr_add+0x4f8/0xa40 [ 5790.008576][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.008576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.008576][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.008576][ T903] netlink_unicast+0x449/0x710 [ 5790.008576][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.008576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.008576][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.008576][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.008576][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.008576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.008576][ T903] [ 5790.010720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5790.010720][ T903] netdev_get_by_index+0x5e/0x80 [ 5790.010720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5790.010720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5790.010720][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5790.010720][ T903] ipv6_add_addr+0x411/0x2000 [ 5790.010720][ T903] inet6_addr_add+0x30e/0xa40 [ 5790.010720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.010720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.010720][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.010720][ T903] netlink_unicast+0x449/0x710 [ 5790.010720][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.010720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.010720][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.010720][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.010720][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.010720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.010720][ T903] [ 5790.012858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5790.012858][ T903] netdev_get_by_index+0x5e/0x80 [ 5790.012858][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5790.012858][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5790.012858][ T903] ip6_route_add+0x1c/0x140 [ 5790.012858][ T903] addrconf_add_mroute+0x129/0x180 [ 5790.012858][ T903] addrconf_add_dev+0xe2/0x170 [ 5790.012858][ T903] inet6_addr_add+0x12f/0xa40 [ 5790.012858][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.012858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.012858][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.012858][ T903] netlink_unicast+0x449/0x710 [ 5790.012858][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.012858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.012858][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.012858][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.012858][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.012858][ T903] [ 5790.014967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5790.014967][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5790.014967][ T903] ipv6_find_idev+0x102/0x170 [ 5790.014967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.014967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.014967][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.014967][ T903] netlink_unicast+0x449/0x710 [ 5790.014967][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.014967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.014967][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.014967][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.014967][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.014967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.014967][ T903] [ 5790.016638][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5790.016638][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5790.016638][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5790.016638][ T903] ipv6_find_idev+0x102/0x170 [ 5790.016638][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.016638][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.016638][ T903] netlink_rcv_skb+0x130/0x360 [ 5790.016638][ T903] netlink_unicast+0x449/0x710 [ 5790.016638][ T903] netlink_sendmsg+0x723/0xbe0 [ 5790.016638][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5790.016638][ T903] ___sys_sendmsg+0xee/0x170 [ 5790.016638][ T903] __sys_sendmsg+0xcd/0x170 [ 5790.016638][ T903] do_syscall_64+0xc6/0x1e0 [ 5790.016638][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.016638][ T903] [ 5800.253874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5800.254393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5800.254393][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5800.254393][ T903] ip6_validate_gw+0x3eb/0x790 [ 5800.254393][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5800.254393][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5800.254393][ T903] ip6_route_add+0x1c/0x140 [ 5800.254393][ T903] inet6_rtm_newroute+0x104/0x110 [ 5800.254393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.254393][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.254393][ T903] netlink_unicast+0x449/0x710 [ 5800.254393][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.254393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.254393][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.254393][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.254393][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.254393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.254393][ T903] [ 5800.256494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5800.256494][ T903] netdev_get_by_index+0x5e/0x80 [ 5800.256494][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5800.256494][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5800.256494][ T903] ip6_route_add+0x1c/0x140 [ 5800.256494][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5800.256494][ T903] inet6_addr_add+0x4f8/0xa40 [ 5800.256494][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.256494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.256494][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.256494][ T903] netlink_unicast+0x449/0x710 [ 5800.256494][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.256494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.256494][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.256494][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.256494][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.256494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.256494][ T903] [ 5800.258681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5800.258681][ T903] netdev_get_by_index+0x5e/0x80 [ 5800.258681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5800.258681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5800.258681][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5800.258681][ T903] ipv6_add_addr+0x411/0x2000 [ 5800.258681][ T903] inet6_addr_add+0x30e/0xa40 [ 5800.258681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.258681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.258681][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.258681][ T903] netlink_unicast+0x449/0x710 [ 5800.258681][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.258681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.258681][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.258681][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.258681][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.258681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.258681][ T903] [ 5800.260870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5800.260870][ T903] netdev_get_by_index+0x5e/0x80 [ 5800.260870][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5800.260870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5800.260870][ T903] ip6_route_add+0x1c/0x140 [ 5800.260870][ T903] addrconf_add_mroute+0x129/0x180 [ 5800.260870][ T903] addrconf_add_dev+0xe2/0x170 [ 5800.260870][ T903] inet6_addr_add+0x12f/0xa40 [ 5800.260870][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5800.260870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.260870][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.260870][ T903] netlink_unicast+0x449/0x710 [ 5800.260870][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.260870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.260870][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.260870][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.260870][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.260870][ T903] [ 5800.263027][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5800.263027][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5800.263027][ T903] ipv6_find_idev+0x102/0x170 [ 5800.263027][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.263027][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.263027][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.263027][ T903] netlink_unicast+0x449/0x710 [ 5800.263027][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.263027][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.263027][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.263027][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.263027][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.263027][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.263027][ T903] [ 5800.264713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5800.264713][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5800.264713][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5800.264713][ T903] ipv6_find_idev+0x102/0x170 [ 5800.264713][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5800.264713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5800.264713][ T903] netlink_rcv_skb+0x130/0x360 [ 5800.264713][ T903] netlink_unicast+0x449/0x710 [ 5800.264713][ T903] netlink_sendmsg+0x723/0xbe0 [ 5800.264713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5800.264713][ T903] ___sys_sendmsg+0xee/0x170 [ 5800.264713][ T903] __sys_sendmsg+0xcd/0x170 [ 5800.264713][ T903] do_syscall_64+0xc6/0x1e0 [ 5800.264713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5800.264713][ T903] [ 5810.501832][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5810.502344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5810.502344][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5810.502344][ T903] ip6_validate_gw+0x3eb/0x790 [ 5810.502344][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5810.502344][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5810.502344][ T903] ip6_route_add+0x1c/0x140 [ 5810.502344][ T903] inet6_rtm_newroute+0x104/0x110 [ 5810.502344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.502344][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.502344][ T903] netlink_unicast+0x449/0x710 [ 5810.502344][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.502344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.502344][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.502344][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.502344][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.502344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5810.502344][ T903] [ 5810.504441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5810.504441][ T903] netdev_get_by_index+0x5e/0x80 [ 5810.504441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5810.504441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5810.504441][ T903] ip6_route_add+0x1c/0x140 [ 5810.504441][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5810.504441][ T903] inet6_addr_add+0x4f8/0xa40 [ 5810.504441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5810.504441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.504441][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.504441][ T903] netlink_unicast+0x449/0x710 [ 5810.504441][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.504441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.504441][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.504441][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.504441][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.504441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5810.504441][ T903] [ 5810.506673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5810.506673][ T903] netdev_get_by_index+0x5e/0x80 [ 5810.506673][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5810.506673][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5810.506673][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5810.506673][ T903] ipv6_add_addr+0x411/0x2000 [ 5810.506673][ T903] inet6_addr_add+0x30e/0xa40 [ 5810.506673][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5810.506673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.506673][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.506673][ T903] netlink_unicast+0x449/0x710 [ 5810.506673][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.506673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.506673][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.506673][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.506673][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.506673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5810.506673][ T903] [ 5810.508864][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5810.508864][ T903] netdev_get_by_index+0x5e/0x80 [ 5810.508864][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5810.508864][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5810.508864][ T903] ip6_route_add+0x1c/0x140 [ 5810.508864][ T903] addrconf_add_mroute+0x129/0x180 [ 5810.508864][ T903] addrconf_add_dev+0xe2/0x170 [ 5810.508864][ T903] inet6_addr_add+0x12f/0xa40 [ 5810.508864][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5810.508864][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.508864][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.508864][ T903] netlink_unicast+0x449/0x710 [ 5810.508864][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.508864][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.508864][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.508864][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.508864][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.508864][ T903] [ 5810.511030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5810.511030][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5810.511030][ T903] ipv6_find_idev+0x102/0x170 [ 5810.511030][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5810.511030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.511030][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.511030][ T903] netlink_unicast+0x449/0x710 [ 5810.511030][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.511030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.511030][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.511030][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.511030][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.511030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5810.511030][ T903] [ 5810.512716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5810.512716][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5810.512716][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5810.512716][ T903] ipv6_find_idev+0x102/0x170 [ 5810.512716][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5810.512716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5810.512716][ T903] netlink_rcv_skb+0x130/0x360 [ 5810.512716][ T903] netlink_unicast+0x449/0x710 [ 5810.512716][ T903] netlink_sendmsg+0x723/0xbe0 [ 5810.512716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5810.512716][ T903] ___sys_sendmsg+0xee/0x170 [ 5810.512716][ T903] __sys_sendmsg+0xcd/0x170 [ 5810.512716][ T903] do_syscall_64+0xc6/0x1e0 [ 5810.512716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5810.512716][ T903] [ 5820.541887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5820.542556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5820.542556][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5820.542556][ T903] ip6_validate_gw+0x3eb/0x790 [ 5820.542556][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5820.542556][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5820.542556][ T903] ip6_route_add+0x1c/0x140 [ 5820.542556][ T903] inet6_rtm_newroute+0x104/0x110 [ 5820.542556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.542556][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.542556][ T903] netlink_unicast+0x449/0x710 [ 5820.542556][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.542556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.542556][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.542556][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.542556][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.542556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5820.542556][ T903] [ 5820.544649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5820.544649][ T903] netdev_get_by_index+0x5e/0x80 [ 5820.544649][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5820.544649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5820.544649][ T903] ip6_route_add+0x1c/0x140 [ 5820.544649][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5820.544649][ T903] inet6_addr_add+0x4f8/0xa40 [ 5820.544649][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5820.544649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.544649][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.544649][ T903] netlink_unicast+0x449/0x710 [ 5820.544649][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.544649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.544649][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.544649][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.544649][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.544649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5820.544649][ T903] [ 5820.546863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5820.546863][ T903] netdev_get_by_index+0x5e/0x80 [ 5820.546863][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5820.546863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5820.546863][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5820.546863][ T903] ipv6_add_addr+0x411/0x2000 [ 5820.546863][ T903] inet6_addr_add+0x30e/0xa40 [ 5820.546863][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5820.546863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.546863][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.546863][ T903] netlink_unicast+0x449/0x710 [ 5820.546863][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.546863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.546863][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.546863][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.546863][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.546863][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5820.546863][ T903] [ 5820.549087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5820.549087][ T903] netdev_get_by_index+0x5e/0x80 [ 5820.549087][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5820.549087][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5820.549087][ T903] ip6_route_add+0x1c/0x140 [ 5820.549087][ T903] addrconf_add_mroute+0x129/0x180 [ 5820.549087][ T903] addrconf_add_dev+0xe2/0x170 [ 5820.549087][ T903] inet6_addr_add+0x12f/0xa40 [ 5820.549087][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5820.549087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.549087][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.549087][ T903] netlink_unicast+0x449/0x710 [ 5820.549087][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.549087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.549087][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.549087][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.549087][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.549087][ T903] [ 5820.551249][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5820.551249][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5820.551249][ T903] ipv6_find_idev+0x102/0x170 [ 5820.551249][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5820.551249][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.551249][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.551249][ T903] netlink_unicast+0x449/0x710 [ 5820.551249][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.551249][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.551249][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.551249][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.551249][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.551249][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5820.551249][ T903] [ 5820.552937][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5820.552937][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5820.552937][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5820.552937][ T903] ipv6_find_idev+0x102/0x170 [ 5820.552937][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5820.552937][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5820.552937][ T903] netlink_rcv_skb+0x130/0x360 [ 5820.552937][ T903] netlink_unicast+0x449/0x710 [ 5820.552937][ T903] netlink_sendmsg+0x723/0xbe0 [ 5820.552937][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5820.552937][ T903] ___sys_sendmsg+0xee/0x170 [ 5820.552937][ T903] __sys_sendmsg+0xcd/0x170 [ 5820.552937][ T903] do_syscall_64+0xc6/0x1e0 [ 5820.552937][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5820.552937][ T903] [ 5830.797833][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5830.798333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5830.798333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5830.798333][ T903] ip6_validate_gw+0x3eb/0x790 [ 5830.798333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5830.798333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5830.798333][ T903] ip6_route_add+0x1c/0x140 [ 5830.798333][ T903] inet6_rtm_newroute+0x104/0x110 [ 5830.798333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.798333][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.798333][ T903] netlink_unicast+0x449/0x710 [ 5830.798333][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.798333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.798333][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.798333][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.798333][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.798333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.798333][ T903] [ 5830.800441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5830.800441][ T903] netdev_get_by_index+0x5e/0x80 [ 5830.800441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5830.800441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5830.800441][ T903] ip6_route_add+0x1c/0x140 [ 5830.800441][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5830.800441][ T903] inet6_addr_add+0x4f8/0xa40 [ 5830.800441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.800441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.800441][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.800441][ T903] netlink_unicast+0x449/0x710 [ 5830.800441][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.800441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.800441][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.800441][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.800441][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.800441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.800441][ T903] [ 5830.802639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5830.802639][ T903] netdev_get_by_index+0x5e/0x80 [ 5830.802639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5830.802639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5830.802639][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5830.802639][ T903] ipv6_add_addr+0x411/0x2000 [ 5830.802639][ T903] inet6_addr_add+0x30e/0xa40 [ 5830.802639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.802639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.802639][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.802639][ T903] netlink_unicast+0x449/0x710 [ 5830.802639][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.802639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.802639][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.802639][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.802639][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.802639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.802639][ T903] [ 5830.804829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5830.804829][ T903] netdev_get_by_index+0x5e/0x80 [ 5830.804829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5830.804829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5830.804829][ T903] ip6_route_add+0x1c/0x140 [ 5830.804829][ T903] addrconf_add_mroute+0x129/0x180 [ 5830.804829][ T903] addrconf_add_dev+0xe2/0x170 [ 5830.804829][ T903] inet6_addr_add+0x12f/0xa40 [ 5830.804829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5830.804829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.804829][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.804829][ T903] netlink_unicast+0x449/0x710 [ 5830.804829][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.804829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.804829][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.804829][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.804829][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.804829][ T903] [ 5830.807013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5830.807013][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5830.807013][ T903] ipv6_find_idev+0x102/0x170 [ 5830.807013][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5830.807013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.807013][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.807013][ T903] netlink_unicast+0x449/0x710 [ 5830.807013][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.807013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.807013][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.807013][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.807013][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.807013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.807013][ T903] [ 5830.808705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5830.808705][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5830.808705][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5830.808705][ T903] ipv6_find_idev+0x102/0x170 [ 5830.808705][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5830.808705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5830.808705][ T903] netlink_rcv_skb+0x130/0x360 [ 5830.808705][ T903] netlink_unicast+0x449/0x710 [ 5830.808705][ T903] netlink_sendmsg+0x723/0xbe0 [ 5830.808705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5830.808705][ T903] ___sys_sendmsg+0xee/0x170 [ 5830.808705][ T903] __sys_sendmsg+0xcd/0x170 [ 5830.808705][ T903] do_syscall_64+0xc6/0x1e0 [ 5830.808705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5830.808705][ T903] [ 5841.045872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5841.046513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5841.046513][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5841.046513][ T903] ip6_validate_gw+0x3eb/0x790 [ 5841.046513][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5841.046513][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5841.046513][ T903] ip6_route_add+0x1c/0x140 [ 5841.046513][ T903] inet6_rtm_newroute+0x104/0x110 [ 5841.046513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.046513][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.046513][ T903] netlink_unicast+0x449/0x710 [ 5841.046513][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.046513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.046513][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.046513][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.046513][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.046513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.046513][ T903] [ 5841.048608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5841.048608][ T903] netdev_get_by_index+0x5e/0x80 [ 5841.048608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5841.048608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5841.048608][ T903] ip6_route_add+0x1c/0x140 [ 5841.048608][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5841.048608][ T903] inet6_addr_add+0x4f8/0xa40 [ 5841.048608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.048608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.048608][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.048608][ T903] netlink_unicast+0x449/0x710 [ 5841.048608][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.048608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.048608][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.048608][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.048608][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.048608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.048608][ T903] [ 5841.050802][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5841.050802][ T903] netdev_get_by_index+0x5e/0x80 [ 5841.050802][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5841.050802][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5841.050802][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5841.050802][ T903] ipv6_add_addr+0x411/0x2000 [ 5841.050802][ T903] inet6_addr_add+0x30e/0xa40 [ 5841.050802][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.050802][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.050802][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.050802][ T903] netlink_unicast+0x449/0x710 [ 5841.050802][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.050802][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.050802][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.050802][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.050802][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.050802][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.050802][ T903] [ 5841.052990][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5841.052990][ T903] netdev_get_by_index+0x5e/0x80 [ 5841.052990][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5841.052990][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5841.052990][ T903] ip6_route_add+0x1c/0x140 [ 5841.052990][ T903] addrconf_add_mroute+0x129/0x180 [ 5841.052990][ T903] addrconf_add_dev+0xe2/0x170 [ 5841.052990][ T903] inet6_addr_add+0x12f/0xa40 [ 5841.052990][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5841.052990][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.052990][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.052990][ T903] netlink_unicast+0x449/0x710 [ 5841.052990][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.052990][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.052990][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.052990][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.052990][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.052990][ T903] [ 5841.055162][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5841.055162][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5841.055162][ T903] ipv6_find_idev+0x102/0x170 [ 5841.055162][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.055162][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.055162][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.055162][ T903] netlink_unicast+0x449/0x710 [ 5841.055162][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.055162][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.055162][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.055162][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.055162][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.055162][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.055162][ T903] [ 5841.057346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5841.057346][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5841.057346][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5841.057346][ T903] ipv6_find_idev+0x102/0x170 [ 5841.057346][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5841.057346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5841.057346][ T903] netlink_rcv_skb+0x130/0x360 [ 5841.057346][ T903] netlink_unicast+0x449/0x710 [ 5841.057346][ T903] netlink_sendmsg+0x723/0xbe0 [ 5841.057346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5841.057346][ T903] ___sys_sendmsg+0xee/0x170 [ 5841.057346][ T903] __sys_sendmsg+0xcd/0x170 [ 5841.057346][ T903] do_syscall_64+0xc6/0x1e0 [ 5841.057346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5841.057346][ T903] [ 5851.301878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5851.302438][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5851.302438][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5851.302438][ T903] ip6_validate_gw+0x3eb/0x790 [ 5851.302438][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5851.302438][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5851.302438][ T903] ip6_route_add+0x1c/0x140 [ 5851.302438][ T903] inet6_rtm_newroute+0x104/0x110 [ 5851.302438][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.302438][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.302438][ T903] netlink_unicast+0x449/0x710 [ 5851.302438][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.302438][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.302438][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.302438][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.302438][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.302438][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.302438][ T903] [ 5851.304530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5851.304530][ T903] netdev_get_by_index+0x5e/0x80 [ 5851.304530][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5851.304530][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5851.304530][ T903] ip6_route_add+0x1c/0x140 [ 5851.304530][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5851.304530][ T903] inet6_addr_add+0x4f8/0xa40 [ 5851.304530][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.304530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.304530][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.304530][ T903] netlink_unicast+0x449/0x710 [ 5851.304530][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.304530][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.304530][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.304530][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.304530][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.304530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.304530][ T903] [ 5851.306723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5851.306723][ T903] netdev_get_by_index+0x5e/0x80 [ 5851.306723][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5851.306723][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5851.306723][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5851.306723][ T903] ipv6_add_addr+0x411/0x2000 [ 5851.306723][ T903] inet6_addr_add+0x30e/0xa40 [ 5851.306723][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.306723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.306723][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.306723][ T903] netlink_unicast+0x449/0x710 [ 5851.306723][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.306723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.306723][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.306723][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.306723][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.306723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.306723][ T903] [ 5851.308858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5851.308858][ T903] netdev_get_by_index+0x5e/0x80 [ 5851.308858][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5851.308858][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5851.308858][ T903] ip6_route_add+0x1c/0x140 [ 5851.308858][ T903] addrconf_add_mroute+0x129/0x180 [ 5851.308858][ T903] addrconf_add_dev+0xe2/0x170 [ 5851.308858][ T903] inet6_addr_add+0x12f/0xa40 [ 5851.308858][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5851.308858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.308858][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.308858][ T903] netlink_unicast+0x449/0x710 [ 5851.308858][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.308858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.308858][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.308858][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.308858][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.308858][ T903] [ 5851.310960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5851.310960][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5851.310960][ T903] ipv6_find_idev+0x102/0x170 [ 5851.310960][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5851.310960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.310960][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.310960][ T903] netlink_unicast+0x449/0x710 [ 5851.310960][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.310960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.310960][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.310960][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.310960][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.310960][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.310960][ T903] [ 5851.312655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5851.312655][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5851.312655][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5851.312655][ T903] ipv6_find_idev+0x102/0x170 [ 5851.312655][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5851.312655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5851.312655][ T903] netlink_rcv_skb+0x130/0x360 [ 5851.312655][ T903] netlink_unicast+0x449/0x710 [ 5851.312655][ T903] netlink_sendmsg+0x723/0xbe0 [ 5851.312655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5851.312655][ T903] ___sys_sendmsg+0xee/0x170 [ 5851.312655][ T903] __sys_sendmsg+0xcd/0x170 [ 5851.312655][ T903] do_syscall_64+0xc6/0x1e0 [ 5851.312655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5851.312655][ T903] [ 5861.549858][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5861.550397][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5861.550397][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5861.550397][ T903] ip6_validate_gw+0x3eb/0x790 [ 5861.550397][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5861.550397][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5861.550397][ T903] ip6_route_add+0x1c/0x140 [ 5861.550397][ T903] inet6_rtm_newroute+0x104/0x110 [ 5861.550397][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.550397][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.550397][ T903] netlink_unicast+0x449/0x710 [ 5861.550397][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.550397][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.550397][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.550397][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.550397][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.550397][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.550397][ T903] [ 5861.552487][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5861.552487][ T903] netdev_get_by_index+0x5e/0x80 [ 5861.552487][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5861.552487][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5861.552487][ T903] ip6_route_add+0x1c/0x140 [ 5861.552487][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5861.552487][ T903] inet6_addr_add+0x4f8/0xa40 [ 5861.552487][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.552487][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.552487][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.552487][ T903] netlink_unicast+0x449/0x710 [ 5861.552487][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.552487][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.552487][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.552487][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.552487][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.552487][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.552487][ T903] [ 5861.554672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5861.554672][ T903] netdev_get_by_index+0x5e/0x80 [ 5861.554672][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5861.554672][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5861.554672][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5861.554672][ T903] ipv6_add_addr+0x411/0x2000 [ 5861.554672][ T903] inet6_addr_add+0x30e/0xa40 [ 5861.554672][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.554672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.554672][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.554672][ T903] netlink_unicast+0x449/0x710 [ 5861.554672][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.554672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.554672][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.554672][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.554672][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.554672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.554672][ T903] [ 5861.556869][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5861.556869][ T903] netdev_get_by_index+0x5e/0x80 [ 5861.556869][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5861.556869][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5861.556869][ T903] ip6_route_add+0x1c/0x140 [ 5861.556869][ T903] addrconf_add_mroute+0x129/0x180 [ 5861.556869][ T903] addrconf_add_dev+0xe2/0x170 [ 5861.556869][ T903] inet6_addr_add+0x12f/0xa40 [ 5861.556869][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5861.556869][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.556869][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.556869][ T903] netlink_unicast+0x449/0x710 [ 5861.556869][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.556869][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.556869][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.556869][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.556869][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.556869][ T903] [ 5861.558970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5861.558970][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5861.558970][ T903] ipv6_find_idev+0x102/0x170 [ 5861.558970][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5861.558970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.558970][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.558970][ T903] netlink_unicast+0x449/0x710 [ 5861.558970][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.558970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.558970][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.558970][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.558970][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.558970][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.558970][ T903] [ 5861.560611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5861.560611][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5861.560611][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5861.560611][ T903] ipv6_find_idev+0x102/0x170 [ 5861.560611][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5861.560611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5861.560611][ T903] netlink_rcv_skb+0x130/0x360 [ 5861.560611][ T903] netlink_unicast+0x449/0x710 [ 5861.560611][ T903] netlink_sendmsg+0x723/0xbe0 [ 5861.560611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5861.560611][ T903] ___sys_sendmsg+0xee/0x170 [ 5861.560611][ T903] __sys_sendmsg+0xcd/0x170 [ 5861.560611][ T903] do_syscall_64+0xc6/0x1e0 [ 5861.560611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5861.560611][ T903] [ 5871.693861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5871.694558][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5871.694558][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5871.694558][ T903] ip6_validate_gw+0x3eb/0x790 [ 5871.694558][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5871.694558][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5871.694558][ T903] ip6_route_add+0x1c/0x140 [ 5871.694558][ T903] inet6_rtm_newroute+0x104/0x110 [ 5871.694558][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.694558][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.694558][ T903] netlink_unicast+0x449/0x710 [ 5871.694558][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.694558][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.694558][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.694558][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.694558][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.694558][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.694558][ T903] [ 5871.696653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5871.696653][ T903] netdev_get_by_index+0x5e/0x80 [ 5871.696653][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5871.696653][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5871.696653][ T903] ip6_route_add+0x1c/0x140 [ 5871.696653][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5871.696653][ T903] inet6_addr_add+0x4f8/0xa40 [ 5871.696653][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.696653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.696653][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.696653][ T903] netlink_unicast+0x449/0x710 [ 5871.696653][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.696653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.696653][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.696653][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.696653][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.696653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.696653][ T903] [ 5871.698848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5871.698848][ T903] netdev_get_by_index+0x5e/0x80 [ 5871.698848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5871.698848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5871.698848][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5871.698848][ T903] ipv6_add_addr+0x411/0x2000 [ 5871.698848][ T903] inet6_addr_add+0x30e/0xa40 [ 5871.698848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.698848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.698848][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.698848][ T903] netlink_unicast+0x449/0x710 [ 5871.698848][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.698848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.698848][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.698848][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.698848][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.698848][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.698848][ T903] [ 5871.701062][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5871.701062][ T903] netdev_get_by_index+0x5e/0x80 [ 5871.701062][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5871.701062][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5871.701062][ T903] ip6_route_add+0x1c/0x140 [ 5871.701062][ T903] addrconf_add_mroute+0x129/0x180 [ 5871.701062][ T903] addrconf_add_dev+0xe2/0x170 [ 5871.701062][ T903] inet6_addr_add+0x12f/0xa40 [ 5871.701062][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5871.701062][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.701062][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.701062][ T903] netlink_unicast+0x449/0x710 [ 5871.701062][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.701062][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.701062][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.701062][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.701062][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.701062][ T903] [ 5871.703212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5871.703212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5871.703212][ T903] ipv6_find_idev+0x102/0x170 [ 5871.703212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5871.703212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.703212][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.703212][ T903] netlink_unicast+0x449/0x710 [ 5871.703212][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.703212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.703212][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.703212][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.703212][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.703212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.703212][ T903] [ 5871.704917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5871.704917][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5871.704917][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5871.704917][ T903] ipv6_find_idev+0x102/0x170 [ 5871.704917][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5871.704917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5871.704917][ T903] netlink_rcv_skb+0x130/0x360 [ 5871.704917][ T903] netlink_unicast+0x449/0x710 [ 5871.704917][ T903] netlink_sendmsg+0x723/0xbe0 [ 5871.704917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5871.704917][ T903] ___sys_sendmsg+0xee/0x170 [ 5871.704917][ T903] __sys_sendmsg+0xcd/0x170 [ 5871.704917][ T903] do_syscall_64+0xc6/0x1e0 [ 5871.704917][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5871.704917][ T903] [ 5881.949807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5881.950314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5881.950314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5881.950314][ T903] ip6_validate_gw+0x3eb/0x790 [ 5881.950314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5881.950314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5881.950314][ T903] ip6_route_add+0x1c/0x140 [ 5881.950314][ T903] inet6_rtm_newroute+0x104/0x110 [ 5881.950314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.950314][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.950314][ T903] netlink_unicast+0x449/0x710 [ 5881.950314][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.950314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.950314][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.950314][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.950314][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.950314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.950314][ T903] [ 5881.952428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5881.952428][ T903] netdev_get_by_index+0x5e/0x80 [ 5881.952428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5881.952428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5881.952428][ T903] ip6_route_add+0x1c/0x140 [ 5881.952428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5881.952428][ T903] inet6_addr_add+0x4f8/0xa40 [ 5881.952428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.952428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.952428][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.952428][ T903] netlink_unicast+0x449/0x710 [ 5881.952428][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.952428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.952428][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.952428][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.952428][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.952428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.952428][ T903] [ 5881.954624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5881.954624][ T903] netdev_get_by_index+0x5e/0x80 [ 5881.954624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5881.954624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5881.954624][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5881.954624][ T903] ipv6_add_addr+0x411/0x2000 [ 5881.954624][ T903] inet6_addr_add+0x30e/0xa40 [ 5881.954624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.954624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.954624][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.954624][ T903] netlink_unicast+0x449/0x710 [ 5881.954624][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.954624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.954624][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.954624][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.954624][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.954624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.954624][ T903] [ 5881.956828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5881.956828][ T903] netdev_get_by_index+0x5e/0x80 [ 5881.956828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5881.956828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5881.956828][ T903] ip6_route_add+0x1c/0x140 [ 5881.956828][ T903] addrconf_add_mroute+0x129/0x180 [ 5881.956828][ T903] addrconf_add_dev+0xe2/0x170 [ 5881.956828][ T903] inet6_addr_add+0x12f/0xa40 [ 5881.956828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5881.956828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.956828][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.956828][ T903] netlink_unicast+0x449/0x710 [ 5881.956828][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.956828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.956828][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.956828][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.956828][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.956828][ T903] [ 5881.958977][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5881.958977][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5881.958977][ T903] ipv6_find_idev+0x102/0x170 [ 5881.958977][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5881.958977][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.958977][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.958977][ T903] netlink_unicast+0x449/0x710 [ 5881.958977][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.958977][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.958977][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.958977][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.958977][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.958977][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.958977][ T903] [ 5881.960667][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5881.960667][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5881.960667][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5881.960667][ T903] ipv6_find_idev+0x102/0x170 [ 5881.960667][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5881.960667][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5881.960667][ T903] netlink_rcv_skb+0x130/0x360 [ 5881.960667][ T903] netlink_unicast+0x449/0x710 [ 5881.960667][ T903] netlink_sendmsg+0x723/0xbe0 [ 5881.960667][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5881.960667][ T903] ___sys_sendmsg+0xee/0x170 [ 5881.960667][ T903] __sys_sendmsg+0xcd/0x170 [ 5881.960667][ T903] do_syscall_64+0xc6/0x1e0 [ 5881.960667][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5881.960667][ T903] [ 5892.013898][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5892.014416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5892.014416][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5892.014416][ T903] ip6_validate_gw+0x3eb/0x790 [ 5892.014416][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5892.014416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5892.014416][ T903] ip6_route_add+0x1c/0x140 [ 5892.014416][ T903] inet6_rtm_newroute+0x104/0x110 [ 5892.014416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.014416][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.014416][ T903] netlink_unicast+0x449/0x710 [ 5892.014416][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.014416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.014416][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.014416][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.014416][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.014416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.014416][ T903] [ 5892.016530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5892.016530][ T903] netdev_get_by_index+0x5e/0x80 [ 5892.016530][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5892.016530][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5892.016530][ T903] ip6_route_add+0x1c/0x140 [ 5892.016530][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5892.016530][ T903] inet6_addr_add+0x4f8/0xa40 [ 5892.016530][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.016530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.016530][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.016530][ T903] netlink_unicast+0x449/0x710 [ 5892.016530][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.016530][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.016530][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.016530][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.016530][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.016530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.016530][ T903] [ 5892.018731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5892.018731][ T903] netdev_get_by_index+0x5e/0x80 [ 5892.018731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5892.018731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5892.018731][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5892.018731][ T903] ipv6_add_addr+0x411/0x2000 [ 5892.018731][ T903] inet6_addr_add+0x30e/0xa40 [ 5892.018731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.018731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.018731][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.018731][ T903] netlink_unicast+0x449/0x710 [ 5892.018731][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.018731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.018731][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.018731][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.018731][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.018731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.018731][ T903] [ 5892.020920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5892.020920][ T903] netdev_get_by_index+0x5e/0x80 [ 5892.020920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5892.020920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5892.020920][ T903] ip6_route_add+0x1c/0x140 [ 5892.020920][ T903] addrconf_add_mroute+0x129/0x180 [ 5892.020920][ T903] addrconf_add_dev+0xe2/0x170 [ 5892.020920][ T903] inet6_addr_add+0x12f/0xa40 [ 5892.020920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5892.020920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.020920][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.020920][ T903] netlink_unicast+0x449/0x710 [ 5892.020920][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.020920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.020920][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.020920][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.020920][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.020920][ T903] [ 5892.023072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5892.023072][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5892.023072][ T903] ipv6_find_idev+0x102/0x170 [ 5892.023072][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5892.023072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.023072][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.023072][ T903] netlink_unicast+0x449/0x710 [ 5892.023072][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.023072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.023072][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.023072][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.023072][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.023072][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.023072][ T903] [ 5892.024763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5892.024763][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5892.024763][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5892.024763][ T903] ipv6_find_idev+0x102/0x170 [ 5892.024763][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5892.024763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5892.024763][ T903] netlink_rcv_skb+0x130/0x360 [ 5892.024763][ T903] netlink_unicast+0x449/0x710 [ 5892.024763][ T903] netlink_sendmsg+0x723/0xbe0 [ 5892.024763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5892.024763][ T903] ___sys_sendmsg+0xee/0x170 [ 5892.024763][ T903] __sys_sendmsg+0xcd/0x170 [ 5892.024763][ T903] do_syscall_64+0xc6/0x1e0 [ 5892.024763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5892.024763][ T903] [ 5902.277761][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5902.278464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5902.278464][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5902.278464][ T903] ip6_validate_gw+0x3eb/0x790 [ 5902.278464][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5902.278464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5902.278464][ T903] ip6_route_add+0x1c/0x140 [ 5902.278464][ T903] inet6_rtm_newroute+0x104/0x110 [ 5902.278464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.278464][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.278464][ T903] netlink_unicast+0x449/0x710 [ 5902.278464][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.278464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.278464][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.278464][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.278464][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.278464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.278464][ T903] [ 5902.281806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5902.281806][ T903] netdev_get_by_index+0x5e/0x80 [ 5902.281806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5902.281806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5902.281806][ T903] ip6_route_add+0x1c/0x140 [ 5902.281806][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5902.281806][ T903] inet6_addr_add+0x4f8/0xa40 [ 5902.281806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.281806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.281806][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.281806][ T903] netlink_unicast+0x449/0x710 [ 5902.281806][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.281806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.281806][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.281806][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.281806][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.281806][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.281806][ T903] [ 5902.285503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5902.285503][ T903] netdev_get_by_index+0x5e/0x80 [ 5902.285503][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5902.285503][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5902.285503][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5902.285503][ T903] ipv6_add_addr+0x411/0x2000 [ 5902.285503][ T903] inet6_addr_add+0x30e/0xa40 [ 5902.285503][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.285503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.285503][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.285503][ T903] netlink_unicast+0x449/0x710 [ 5902.285503][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.285503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.285503][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.285503][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.285503][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.285503][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.285503][ T903] [ 5902.289045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5902.289045][ T903] netdev_get_by_index+0x5e/0x80 [ 5902.289045][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5902.289045][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5902.289045][ T903] ip6_route_add+0x1c/0x140 [ 5902.289045][ T903] addrconf_add_mroute+0x129/0x180 [ 5902.289045][ T903] addrconf_add_dev+0xe2/0x170 [ 5902.289045][ T903] inet6_addr_add+0x12f/0xa40 [ 5902.289045][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5902.289045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.289045][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.289045][ T903] netlink_unicast+0x449/0x710 [ 5902.289045][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.289045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.289045][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.289045][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.289045][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.289045][ T903] [ 5902.292303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5902.292303][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5902.292303][ T903] ipv6_find_idev+0x102/0x170 [ 5902.292303][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5902.292303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.292303][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.292303][ T903] netlink_unicast+0x449/0x710 [ 5902.292303][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.292303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.292303][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.292303][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.292303][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.292303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.292303][ T903] [ 5902.294856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5902.294856][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5902.294856][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5902.294856][ T903] ipv6_find_idev+0x102/0x170 [ 5902.294856][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5902.294856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5902.294856][ T903] netlink_rcv_skb+0x130/0x360 [ 5902.294856][ T903] netlink_unicast+0x449/0x710 [ 5902.294856][ T903] netlink_sendmsg+0x723/0xbe0 [ 5902.294856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5902.294856][ T903] ___sys_sendmsg+0xee/0x170 [ 5902.294856][ T903] __sys_sendmsg+0xcd/0x170 [ 5902.294856][ T903] do_syscall_64+0xc6/0x1e0 [ 5902.294856][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5902.294856][ T903] [ 5912.549867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5912.550585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5912.550585][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5912.550585][ T903] ip6_validate_gw+0x3eb/0x790 [ 5912.550585][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5912.550585][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5912.550585][ T903] ip6_route_add+0x1c/0x140 [ 5912.550585][ T903] inet6_rtm_newroute+0x104/0x110 [ 5912.550585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.550585][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.550585][ T903] netlink_unicast+0x449/0x710 [ 5912.550585][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.550585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.550585][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.550585][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.550585][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.550585][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.550585][ T903] [ 5912.552633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5912.552633][ T903] netdev_get_by_index+0x5e/0x80 [ 5912.552633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5912.552633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5912.552633][ T903] ip6_route_add+0x1c/0x140 [ 5912.552633][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5912.552633][ T903] inet6_addr_add+0x4f8/0xa40 [ 5912.552633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.552633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.552633][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.552633][ T903] netlink_unicast+0x449/0x710 [ 5912.552633][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.552633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.552633][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.552633][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.552633][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.552633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.552633][ T903] [ 5912.554784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5912.554784][ T903] netdev_get_by_index+0x5e/0x80 [ 5912.554784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5912.554784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5912.554784][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5912.554784][ T903] ipv6_add_addr+0x411/0x2000 [ 5912.554784][ T903] inet6_addr_add+0x30e/0xa40 [ 5912.554784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.554784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.554784][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.554784][ T903] netlink_unicast+0x449/0x710 [ 5912.554784][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.554784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.554784][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.554784][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.554784][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.554784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.554784][ T903] [ 5912.557010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5912.557010][ T903] netdev_get_by_index+0x5e/0x80 [ 5912.557010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5912.557010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5912.557010][ T903] ip6_route_add+0x1c/0x140 [ 5912.557010][ T903] addrconf_add_mroute+0x129/0x180 [ 5912.557010][ T903] addrconf_add_dev+0xe2/0x170 [ 5912.557010][ T903] inet6_addr_add+0x12f/0xa40 [ 5912.557010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5912.557010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.557010][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.557010][ T903] netlink_unicast+0x449/0x710 [ 5912.557010][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.557010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.557010][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.557010][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.557010][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.557010][ T903] [ 5912.559133][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5912.559133][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5912.559133][ T903] ipv6_find_idev+0x102/0x170 [ 5912.559133][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5912.559133][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.559133][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.559133][ T903] netlink_unicast+0x449/0x710 [ 5912.559133][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.559133][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.559133][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.559133][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.559133][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.559133][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.559133][ T903] [ 5912.560782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5912.560782][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5912.560782][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5912.560782][ T903] ipv6_find_idev+0x102/0x170 [ 5912.560782][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5912.560782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5912.560782][ T903] netlink_rcv_skb+0x130/0x360 [ 5912.560782][ T903] netlink_unicast+0x449/0x710 [ 5912.560782][ T903] netlink_sendmsg+0x723/0xbe0 [ 5912.560782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5912.560782][ T903] ___sys_sendmsg+0xee/0x170 [ 5912.560782][ T903] __sys_sendmsg+0xcd/0x170 [ 5912.560782][ T903] do_syscall_64+0xc6/0x1e0 [ 5912.560782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5912.560782][ T903] [ 5922.813868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5922.814441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5922.814441][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5922.814441][ T903] ip6_validate_gw+0x3eb/0x790 [ 5922.814441][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5922.814441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5922.814441][ T903] ip6_route_add+0x1c/0x140 [ 5922.814441][ T903] inet6_rtm_newroute+0x104/0x110 [ 5922.814441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.814441][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.814441][ T903] netlink_unicast+0x449/0x710 [ 5922.814441][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.814441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.814441][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.814441][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.814441][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.814441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.814441][ T903] [ 5922.816558][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5922.816558][ T903] netdev_get_by_index+0x5e/0x80 [ 5922.816558][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5922.816558][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5922.816558][ T903] ip6_route_add+0x1c/0x140 [ 5922.816558][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5922.816558][ T903] inet6_addr_add+0x4f8/0xa40 [ 5922.816558][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.816558][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.816558][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.816558][ T903] netlink_unicast+0x449/0x710 [ 5922.816558][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.816558][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.816558][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.816558][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.816558][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.816558][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.816558][ T903] [ 5922.818709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5922.818709][ T903] netdev_get_by_index+0x5e/0x80 [ 5922.818709][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5922.818709][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5922.818709][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5922.818709][ T903] ipv6_add_addr+0x411/0x2000 [ 5922.818709][ T903] inet6_addr_add+0x30e/0xa40 [ 5922.818709][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.818709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.818709][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.818709][ T903] netlink_unicast+0x449/0x710 [ 5922.818709][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.818709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.818709][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.818709][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.818709][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.818709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.818709][ T903] [ 5922.820910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5922.820910][ T903] netdev_get_by_index+0x5e/0x80 [ 5922.820910][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5922.820910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5922.820910][ T903] ip6_route_add+0x1c/0x140 [ 5922.820910][ T903] addrconf_add_mroute+0x129/0x180 [ 5922.820910][ T903] addrconf_add_dev+0xe2/0x170 [ 5922.820910][ T903] inet6_addr_add+0x12f/0xa40 [ 5922.820910][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5922.820910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.820910][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.820910][ T903] netlink_unicast+0x449/0x710 [ 5922.820910][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.820910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.820910][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.820910][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.820910][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.820910][ T903] [ 5922.823014][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5922.823014][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5922.823014][ T903] ipv6_find_idev+0x102/0x170 [ 5922.823014][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5922.823014][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.823014][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.823014][ T903] netlink_unicast+0x449/0x710 [ 5922.823014][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.823014][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.823014][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.823014][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.823014][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.823014][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.823014][ T903] [ 5922.824678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5922.824678][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5922.824678][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5922.824678][ T903] ipv6_find_idev+0x102/0x170 [ 5922.824678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5922.824678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5922.824678][ T903] netlink_rcv_skb+0x130/0x360 [ 5922.824678][ T903] netlink_unicast+0x449/0x710 [ 5922.824678][ T903] netlink_sendmsg+0x723/0xbe0 [ 5922.824678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5922.824678][ T903] ___sys_sendmsg+0xee/0x170 [ 5922.824678][ T903] __sys_sendmsg+0xcd/0x170 [ 5922.824678][ T903] do_syscall_64+0xc6/0x1e0 [ 5922.824678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5922.824678][ T903] [ 5933.077863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5933.078458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5933.078458][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5933.078458][ T903] ip6_validate_gw+0x3eb/0x790 [ 5933.078458][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5933.078458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5933.078458][ T903] ip6_route_add+0x1c/0x140 [ 5933.078458][ T903] inet6_rtm_newroute+0x104/0x110 [ 5933.078458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.078458][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.078458][ T903] netlink_unicast+0x449/0x710 [ 5933.078458][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.078458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.078458][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.078458][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.078458][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.078458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.078458][ T903] [ 5933.080498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5933.080498][ T903] netdev_get_by_index+0x5e/0x80 [ 5933.080498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5933.080498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5933.080498][ T903] ip6_route_add+0x1c/0x140 [ 5933.080498][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5933.080498][ T903] inet6_addr_add+0x4f8/0xa40 [ 5933.080498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.080498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.080498][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.080498][ T903] netlink_unicast+0x449/0x710 [ 5933.080498][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.080498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.080498][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.080498][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.080498][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.080498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.080498][ T903] [ 5933.082683][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5933.082683][ T903] netdev_get_by_index+0x5e/0x80 [ 5933.082683][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5933.082683][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5933.082683][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5933.082683][ T903] ipv6_add_addr+0x411/0x2000 [ 5933.082683][ T903] inet6_addr_add+0x30e/0xa40 [ 5933.082683][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.082683][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.082683][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.082683][ T903] netlink_unicast+0x449/0x710 [ 5933.082683][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.082683][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.082683][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.082683][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.082683][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.082683][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.082683][ T903] [ 5933.084872][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5933.084872][ T903] netdev_get_by_index+0x5e/0x80 [ 5933.084872][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5933.084872][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5933.084872][ T903] ip6_route_add+0x1c/0x140 [ 5933.084872][ T903] addrconf_add_mroute+0x129/0x180 [ 5933.084872][ T903] addrconf_add_dev+0xe2/0x170 [ 5933.084872][ T903] inet6_addr_add+0x12f/0xa40 [ 5933.084872][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5933.084872][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.084872][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.084872][ T903] netlink_unicast+0x449/0x710 [ 5933.084872][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.084872][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.084872][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.084872][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.084872][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.084872][ T903] [ 5933.086979][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5933.086979][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5933.086979][ T903] ipv6_find_idev+0x102/0x170 [ 5933.086979][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5933.086979][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.086979][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.086979][ T903] netlink_unicast+0x449/0x710 [ 5933.086979][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.086979][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.086979][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.086979][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.086979][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.086979][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.086979][ T903] [ 5933.088626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5933.088626][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5933.088626][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5933.088626][ T903] ipv6_find_idev+0x102/0x170 [ 5933.088626][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5933.088626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5933.088626][ T903] netlink_rcv_skb+0x130/0x360 [ 5933.088626][ T903] netlink_unicast+0x449/0x710 [ 5933.088626][ T903] netlink_sendmsg+0x723/0xbe0 [ 5933.088626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5933.088626][ T903] ___sys_sendmsg+0xee/0x170 [ 5933.088626][ T903] __sys_sendmsg+0xcd/0x170 [ 5933.088626][ T903] do_syscall_64+0xc6/0x1e0 [ 5933.088626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5933.088626][ T903] [ 5943.341834][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5943.342294][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5943.342294][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5943.342294][ T903] ip6_validate_gw+0x3eb/0x790 [ 5943.342294][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5943.342294][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5943.342294][ T903] ip6_route_add+0x1c/0x140 [ 5943.342294][ T903] inet6_rtm_newroute+0x104/0x110 [ 5943.342294][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.342294][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.342294][ T903] netlink_unicast+0x449/0x710 [ 5943.342294][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.342294][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.342294][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.342294][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.342294][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.342294][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.342294][ T903] [ 5943.371457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5943.371457][ T903] netdev_get_by_index+0x5e/0x80 [ 5943.371457][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5943.371457][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5943.371457][ T903] ip6_route_add+0x1c/0x140 [ 5943.371457][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5943.371457][ T903] inet6_addr_add+0x4f8/0xa40 [ 5943.371457][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.371457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.371457][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.371457][ T903] netlink_unicast+0x449/0x710 [ 5943.371457][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.371457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.371457][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.371457][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.371457][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.371457][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.371457][ T903] [ 5943.373675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5943.373675][ T903] netdev_get_by_index+0x5e/0x80 [ 5943.373675][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5943.373675][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5943.373675][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5943.373675][ T903] ipv6_add_addr+0x411/0x2000 [ 5943.373675][ T903] inet6_addr_add+0x30e/0xa40 [ 5943.373675][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.373675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.373675][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.373675][ T903] netlink_unicast+0x449/0x710 [ 5943.373675][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.373675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.373675][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.373675][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.373675][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.373675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.373675][ T903] [ 5943.375903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5943.375903][ T903] netdev_get_by_index+0x5e/0x80 [ 5943.375903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5943.375903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5943.375903][ T903] ip6_route_add+0x1c/0x140 [ 5943.375903][ T903] addrconf_add_mroute+0x129/0x180 [ 5943.375903][ T903] addrconf_add_dev+0xe2/0x170 [ 5943.375903][ T903] inet6_addr_add+0x12f/0xa40 [ 5943.375903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5943.375903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.375903][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.375903][ T903] netlink_unicast+0x449/0x710 [ 5943.375903][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.375903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.375903][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.375903][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.375903][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.375903][ T903] [ 5943.378080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5943.378080][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5943.378080][ T903] ipv6_find_idev+0x102/0x170 [ 5943.378080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5943.378080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.378080][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.378080][ T903] netlink_unicast+0x449/0x710 [ 5943.378080][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.378080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.378080][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.378080][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.378080][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.378080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.378080][ T903] [ 5943.379784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5943.379784][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5943.379784][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5943.379784][ T903] ipv6_find_idev+0x102/0x170 [ 5943.379784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5943.379784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5943.379784][ T903] netlink_rcv_skb+0x130/0x360 [ 5943.379784][ T903] netlink_unicast+0x449/0x710 [ 5943.379784][ T903] netlink_sendmsg+0x723/0xbe0 [ 5943.379784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5943.379784][ T903] ___sys_sendmsg+0xee/0x170 [ 5943.379784][ T903] __sys_sendmsg+0xcd/0x170 [ 5943.379784][ T903] do_syscall_64+0xc6/0x1e0 [ 5943.379784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5943.379784][ T903] [ 5953.629870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5953.630394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5953.630394][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5953.630394][ T903] ip6_validate_gw+0x3eb/0x790 [ 5953.630394][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5953.630394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5953.630394][ T903] ip6_route_add+0x1c/0x140 [ 5953.630394][ T903] inet6_rtm_newroute+0x104/0x110 [ 5953.630394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.630394][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.630394][ T903] netlink_unicast+0x449/0x710 [ 5953.630394][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.630394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.630394][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.630394][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.630394][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.630394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.630394][ T903] [ 5953.632490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5953.632490][ T903] netdev_get_by_index+0x5e/0x80 [ 5953.632490][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5953.632490][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5953.632490][ T903] ip6_route_add+0x1c/0x140 [ 5953.632490][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5953.632490][ T903] inet6_addr_add+0x4f8/0xa40 [ 5953.632490][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.632490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.632490][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.632490][ T903] netlink_unicast+0x449/0x710 [ 5953.632490][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.632490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.632490][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.632490][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.632490][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.632490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.632490][ T903] [ 5953.634702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5953.634702][ T903] netdev_get_by_index+0x5e/0x80 [ 5953.634702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5953.634702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5953.634702][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5953.634702][ T903] ipv6_add_addr+0x411/0x2000 [ 5953.634702][ T903] inet6_addr_add+0x30e/0xa40 [ 5953.634702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.634702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.634702][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.634702][ T903] netlink_unicast+0x449/0x710 [ 5953.634702][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.634702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.634702][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.634702][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.634702][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.634702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.634702][ T903] [ 5953.636841][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5953.636841][ T903] netdev_get_by_index+0x5e/0x80 [ 5953.636841][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5953.636841][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5953.636841][ T903] ip6_route_add+0x1c/0x140 [ 5953.636841][ T903] addrconf_add_mroute+0x129/0x180 [ 5953.636841][ T903] addrconf_add_dev+0xe2/0x170 [ 5953.636841][ T903] inet6_addr_add+0x12f/0xa40 [ 5953.636841][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5953.636841][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.636841][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.636841][ T903] netlink_unicast+0x449/0x710 [ 5953.636841][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.636841][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.636841][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.636841][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.636841][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.636841][ T903] [ 5953.639008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5953.639008][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5953.639008][ T903] ipv6_find_idev+0x102/0x170 [ 5953.639008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5953.639008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.639008][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.639008][ T903] netlink_unicast+0x449/0x710 [ 5953.639008][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.639008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.639008][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.639008][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.639008][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.639008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.639008][ T903] [ 5953.640655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5953.640655][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5953.640655][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5953.640655][ T903] ipv6_find_idev+0x102/0x170 [ 5953.640655][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5953.640655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5953.640655][ T903] netlink_rcv_skb+0x130/0x360 [ 5953.640655][ T903] netlink_unicast+0x449/0x710 [ 5953.640655][ T903] netlink_sendmsg+0x723/0xbe0 [ 5953.640655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5953.640655][ T903] ___sys_sendmsg+0xee/0x170 [ 5953.640655][ T903] __sys_sendmsg+0xcd/0x170 [ 5953.640655][ T903] do_syscall_64+0xc6/0x1e0 [ 5953.640655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5953.640655][ T903] [ 5963.893863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5963.894498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5963.894498][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5963.894498][ T903] ip6_validate_gw+0x3eb/0x790 [ 5963.894498][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5963.894498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5963.894498][ T903] ip6_route_add+0x1c/0x140 [ 5963.894498][ T903] inet6_rtm_newroute+0x104/0x110 [ 5963.894498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.894498][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.894498][ T903] netlink_unicast+0x449/0x710 [ 5963.894498][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.894498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.894498][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.894498][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.894498][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.894498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5963.894498][ T903] [ 5963.896608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5963.896608][ T903] netdev_get_by_index+0x5e/0x80 [ 5963.896608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5963.896608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5963.896608][ T903] ip6_route_add+0x1c/0x140 [ 5963.896608][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5963.896608][ T903] inet6_addr_add+0x4f8/0xa40 [ 5963.896608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5963.896608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.896608][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.896608][ T903] netlink_unicast+0x449/0x710 [ 5963.896608][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.896608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.896608][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.896608][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.896608][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.896608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5963.896608][ T903] [ 5963.898772][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5963.898772][ T903] netdev_get_by_index+0x5e/0x80 [ 5963.898772][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5963.898772][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5963.898772][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5963.898772][ T903] ipv6_add_addr+0x411/0x2000 [ 5963.898772][ T903] inet6_addr_add+0x30e/0xa40 [ 5963.898772][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5963.898772][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.898772][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.898772][ T903] netlink_unicast+0x449/0x710 [ 5963.898772][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.898772][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.898772][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.898772][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.898772][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.898772][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5963.898772][ T903] [ 5963.900944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5963.900944][ T903] netdev_get_by_index+0x5e/0x80 [ 5963.900944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5963.900944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5963.900944][ T903] ip6_route_add+0x1c/0x140 [ 5963.900944][ T903] addrconf_add_mroute+0x129/0x180 [ 5963.900944][ T903] addrconf_add_dev+0xe2/0x170 [ 5963.900944][ T903] inet6_addr_add+0x12f/0xa40 [ 5963.900944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5963.900944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.900944][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.900944][ T903] netlink_unicast+0x449/0x710 [ 5963.900944][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.900944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.900944][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.900944][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.900944][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.900944][ T903] [ 5963.903045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5963.903045][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5963.903045][ T903] ipv6_find_idev+0x102/0x170 [ 5963.903045][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5963.903045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.903045][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.903045][ T903] netlink_unicast+0x449/0x710 [ 5963.903045][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.903045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.903045][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.903045][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.903045][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.903045][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5963.903045][ T903] [ 5963.904741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5963.904741][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5963.904741][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5963.904741][ T903] ipv6_find_idev+0x102/0x170 [ 5963.904741][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5963.904741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5963.904741][ T903] netlink_rcv_skb+0x130/0x360 [ 5963.904741][ T903] netlink_unicast+0x449/0x710 [ 5963.904741][ T903] netlink_sendmsg+0x723/0xbe0 [ 5963.904741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5963.904741][ T903] ___sys_sendmsg+0xee/0x170 [ 5963.904741][ T903] __sys_sendmsg+0xcd/0x170 [ 5963.904741][ T903] do_syscall_64+0xc6/0x1e0 [ 5963.904741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5963.904741][ T903] [ 5974.149867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5974.150448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5974.150448][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5974.150448][ T903] ip6_validate_gw+0x3eb/0x790 [ 5974.150448][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5974.150448][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5974.150448][ T903] ip6_route_add+0x1c/0x140 [ 5974.150448][ T903] inet6_rtm_newroute+0x104/0x110 [ 5974.150448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.150448][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.150448][ T903] netlink_unicast+0x449/0x710 [ 5974.150448][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.150448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.150448][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.150448][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.150448][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.150448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.150448][ T903] [ 5974.152494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5974.152494][ T903] netdev_get_by_index+0x5e/0x80 [ 5974.152494][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5974.152494][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5974.152494][ T903] ip6_route_add+0x1c/0x140 [ 5974.152494][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5974.152494][ T903] inet6_addr_add+0x4f8/0xa40 [ 5974.152494][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.152494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.152494][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.152494][ T903] netlink_unicast+0x449/0x710 [ 5974.152494][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.152494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.152494][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.152494][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.152494][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.152494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.152494][ T903] [ 5974.154685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5974.154685][ T903] netdev_get_by_index+0x5e/0x80 [ 5974.154685][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5974.154685][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5974.154685][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5974.154685][ T903] ipv6_add_addr+0x411/0x2000 [ 5974.154685][ T903] inet6_addr_add+0x30e/0xa40 [ 5974.154685][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.154685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.154685][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.154685][ T903] netlink_unicast+0x449/0x710 [ 5974.154685][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.154685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.154685][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.154685][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.154685][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.154685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.154685][ T903] [ 5974.156846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5974.156846][ T903] netdev_get_by_index+0x5e/0x80 [ 5974.156846][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5974.156846][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5974.156846][ T903] ip6_route_add+0x1c/0x140 [ 5974.156846][ T903] addrconf_add_mroute+0x129/0x180 [ 5974.156846][ T903] addrconf_add_dev+0xe2/0x170 [ 5974.156846][ T903] inet6_addr_add+0x12f/0xa40 [ 5974.156846][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5974.156846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.156846][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.156846][ T903] netlink_unicast+0x449/0x710 [ 5974.156846][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.156846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.156846][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.156846][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.156846][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.156846][ T903] [ 5974.158950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5974.158950][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5974.158950][ T903] ipv6_find_idev+0x102/0x170 [ 5974.158950][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5974.158950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.158950][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.158950][ T903] netlink_unicast+0x449/0x710 [ 5974.158950][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.158950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.158950][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.158950][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.158950][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.158950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.158950][ T903] [ 5974.160599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5974.160599][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5974.160599][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5974.160599][ T903] ipv6_find_idev+0x102/0x170 [ 5974.160599][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5974.160599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5974.160599][ T903] netlink_rcv_skb+0x130/0x360 [ 5974.160599][ T903] netlink_unicast+0x449/0x710 [ 5974.160599][ T903] netlink_sendmsg+0x723/0xbe0 [ 5974.160599][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5974.160599][ T903] ___sys_sendmsg+0xee/0x170 [ 5974.160599][ T903] __sys_sendmsg+0xcd/0x170 [ 5974.160599][ T903] do_syscall_64+0xc6/0x1e0 [ 5974.160599][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5974.160599][ T903] [ 5984.413862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5984.414378][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5984.414378][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5984.414378][ T903] ip6_validate_gw+0x3eb/0x790 [ 5984.414378][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5984.414378][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5984.414378][ T903] ip6_route_add+0x1c/0x140 [ 5984.414378][ T903] inet6_rtm_newroute+0x104/0x110 [ 5984.414378][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.414378][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.414378][ T903] netlink_unicast+0x449/0x710 [ 5984.414378][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.414378][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.414378][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.414378][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.414378][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.414378][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.414378][ T903] [ 5984.416555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5984.416555][ T903] netdev_get_by_index+0x5e/0x80 [ 5984.416555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5984.416555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5984.416555][ T903] ip6_route_add+0x1c/0x140 [ 5984.416555][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5984.416555][ T903] inet6_addr_add+0x4f8/0xa40 [ 5984.416555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.416555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.416555][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.416555][ T903] netlink_unicast+0x449/0x710 [ 5984.416555][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.416555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.416555][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.416555][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.416555][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.416555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.416555][ T903] [ 5984.418770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5984.418770][ T903] netdev_get_by_index+0x5e/0x80 [ 5984.418770][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5984.418770][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5984.418770][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5984.418770][ T903] ipv6_add_addr+0x411/0x2000 [ 5984.418770][ T903] inet6_addr_add+0x30e/0xa40 [ 5984.418770][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.418770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.418770][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.418770][ T903] netlink_unicast+0x449/0x710 [ 5984.418770][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.418770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.418770][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.418770][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.418770][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.418770][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.418770][ T903] [ 5984.420989][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5984.420989][ T903] netdev_get_by_index+0x5e/0x80 [ 5984.420989][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5984.420989][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5984.420989][ T903] ip6_route_add+0x1c/0x140 [ 5984.420989][ T903] addrconf_add_mroute+0x129/0x180 [ 5984.420989][ T903] addrconf_add_dev+0xe2/0x170 [ 5984.420989][ T903] inet6_addr_add+0x12f/0xa40 [ 5984.420989][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5984.420989][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.420989][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.420989][ T903] netlink_unicast+0x449/0x710 [ 5984.420989][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.420989][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.420989][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.420989][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.420989][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.420989][ T903] [ 5984.423165][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5984.423165][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5984.423165][ T903] ipv6_find_idev+0x102/0x170 [ 5984.423165][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5984.423165][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.423165][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.423165][ T903] netlink_unicast+0x449/0x710 [ 5984.423165][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.423165][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.423165][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.423165][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.423165][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.423165][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.423165][ T903] [ 5984.424903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5984.424903][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5984.424903][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5984.424903][ T903] ipv6_find_idev+0x102/0x170 [ 5984.424903][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5984.424903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5984.424903][ T903] netlink_rcv_skb+0x130/0x360 [ 5984.424903][ T903] netlink_unicast+0x449/0x710 [ 5984.424903][ T903] netlink_sendmsg+0x723/0xbe0 [ 5984.424903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5984.424903][ T903] ___sys_sendmsg+0xee/0x170 [ 5984.424903][ T903] __sys_sendmsg+0xcd/0x170 [ 5984.424903][ T903] do_syscall_64+0xc6/0x1e0 [ 5984.424903][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5984.424903][ T903] [ 5994.677865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5994.678490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 5994.678490][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 5994.678490][ T903] ip6_validate_gw+0x3eb/0x790 [ 5994.678490][ T903] fib6_nh_init+0xa5b/0x15b0 [ 5994.678490][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5994.678490][ T903] ip6_route_add+0x1c/0x140 [ 5994.678490][ T903] inet6_rtm_newroute+0x104/0x110 [ 5994.678490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.678490][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.678490][ T903] netlink_unicast+0x449/0x710 [ 5994.678490][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.678490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.678490][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.678490][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.678490][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.678490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.678490][ T903] [ 5994.680537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5994.680537][ T903] netdev_get_by_index+0x5e/0x80 [ 5994.680537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5994.680537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5994.680537][ T903] ip6_route_add+0x1c/0x140 [ 5994.680537][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 5994.680537][ T903] inet6_addr_add+0x4f8/0xa40 [ 5994.680537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.680537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.680537][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.680537][ T903] netlink_unicast+0x449/0x710 [ 5994.680537][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.680537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.680537][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.680537][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.680537][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.680537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.680537][ T903] [ 5994.682693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5994.682693][ T903] netdev_get_by_index+0x5e/0x80 [ 5994.682693][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5994.682693][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5994.682693][ T903] addrconf_f6i_alloc+0x244/0x410 [ 5994.682693][ T903] ipv6_add_addr+0x411/0x2000 [ 5994.682693][ T903] inet6_addr_add+0x30e/0xa40 [ 5994.682693][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.682693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.682693][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.682693][ T903] netlink_unicast+0x449/0x710 [ 5994.682693][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.682693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.682693][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.682693][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.682693][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.682693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.682693][ T903] [ 5994.684848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5994.684848][ T903] netdev_get_by_index+0x5e/0x80 [ 5994.684848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 5994.684848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 5994.684848][ T903] ip6_route_add+0x1c/0x140 [ 5994.684848][ T903] addrconf_add_mroute+0x129/0x180 [ 5994.684848][ T903] addrconf_add_dev+0xe2/0x170 [ 5994.684848][ T903] inet6_addr_add+0x12f/0xa40 [ 5994.684848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 5994.684848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.684848][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.684848][ T903] netlink_unicast+0x449/0x710 [ 5994.684848][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.684848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.684848][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.684848][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.684848][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.684848][ T903] [ 5994.687434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5994.687434][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 5994.687434][ T903] ipv6_find_idev+0x102/0x170 [ 5994.687434][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5994.687434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.687434][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.687434][ T903] netlink_unicast+0x449/0x710 [ 5994.687434][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.687434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.687434][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.687434][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.687434][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.687434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.687434][ T903] [ 5994.689142][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 5994.689142][ T903] neigh_parms_alloc+0x1e5/0x510 [ 5994.689142][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 5994.689142][ T903] ipv6_find_idev+0x102/0x170 [ 5994.689142][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 5994.689142][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5994.689142][ T903] netlink_rcv_skb+0x130/0x360 [ 5994.689142][ T903] netlink_unicast+0x449/0x710 [ 5994.689142][ T903] netlink_sendmsg+0x723/0xbe0 [ 5994.689142][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 5994.689142][ T903] ___sys_sendmsg+0xee/0x170 [ 5994.689142][ T903] __sys_sendmsg+0xcd/0x170 [ 5994.689142][ T903] do_syscall_64+0xc6/0x1e0 [ 5994.689142][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5994.689142][ T903] [ 6004.941864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6004.942472][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6004.942472][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6004.942472][ T903] ip6_validate_gw+0x3eb/0x790 [ 6004.942472][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6004.942472][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6004.942472][ T903] ip6_route_add+0x1c/0x140 [ 6004.942472][ T903] inet6_rtm_newroute+0x104/0x110 [ 6004.942472][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.942472][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.942472][ T903] netlink_unicast+0x449/0x710 [ 6004.942472][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.942472][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.942472][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.942472][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.942472][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.942472][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.942472][ T903] [ 6004.944569][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6004.944569][ T903] netdev_get_by_index+0x5e/0x80 [ 6004.944569][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6004.944569][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6004.944569][ T903] ip6_route_add+0x1c/0x140 [ 6004.944569][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6004.944569][ T903] inet6_addr_add+0x4f8/0xa40 [ 6004.944569][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.944569][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.944569][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.944569][ T903] netlink_unicast+0x449/0x710 [ 6004.944569][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.944569][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.944569][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.944569][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.944569][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.944569][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.944569][ T903] [ 6004.946743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6004.946743][ T903] netdev_get_by_index+0x5e/0x80 [ 6004.946743][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6004.946743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6004.946743][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6004.946743][ T903] ipv6_add_addr+0x411/0x2000 [ 6004.946743][ T903] inet6_addr_add+0x30e/0xa40 [ 6004.946743][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.946743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.946743][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.946743][ T903] netlink_unicast+0x449/0x710 [ 6004.946743][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.946743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.946743][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.946743][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.946743][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.946743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.946743][ T903] [ 6004.948887][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6004.948887][ T903] netdev_get_by_index+0x5e/0x80 [ 6004.948887][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6004.948887][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6004.948887][ T903] ip6_route_add+0x1c/0x140 [ 6004.948887][ T903] addrconf_add_mroute+0x129/0x180 [ 6004.948887][ T903] addrconf_add_dev+0xe2/0x170 [ 6004.948887][ T903] inet6_addr_add+0x12f/0xa40 [ 6004.948887][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6004.948887][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.948887][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.948887][ T903] netlink_unicast+0x449/0x710 [ 6004.948887][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.948887][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.948887][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.948887][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.948887][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.948887][ T903] [ 6004.951062][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6004.951062][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6004.951062][ T903] ipv6_find_idev+0x102/0x170 [ 6004.951062][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.951062][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.951062][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.951062][ T903] netlink_unicast+0x449/0x710 [ 6004.951062][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.951062][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.951062][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.951062][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.951062][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.951062][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.951062][ T903] [ 6004.952780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6004.952780][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6004.952780][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6004.952780][ T903] ipv6_find_idev+0x102/0x170 [ 6004.952780][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6004.952780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6004.952780][ T903] netlink_rcv_skb+0x130/0x360 [ 6004.952780][ T903] netlink_unicast+0x449/0x710 [ 6004.952780][ T903] netlink_sendmsg+0x723/0xbe0 [ 6004.952780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6004.952780][ T903] ___sys_sendmsg+0xee/0x170 [ 6004.952780][ T903] __sys_sendmsg+0xcd/0x170 [ 6004.952780][ T903] do_syscall_64+0xc6/0x1e0 [ 6004.952780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6004.952780][ T903] [ 6015.205920][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6015.206480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6015.206480][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6015.206480][ T903] ip6_validate_gw+0x3eb/0x790 [ 6015.206480][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6015.206480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6015.206480][ T903] ip6_route_add+0x1c/0x140 [ 6015.206480][ T903] inet6_rtm_newroute+0x104/0x110 [ 6015.206480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.206480][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.206480][ T903] netlink_unicast+0x449/0x710 [ 6015.206480][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.206480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.206480][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.206480][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.206480][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.206480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6015.206480][ T903] [ 6015.208571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6015.208571][ T903] netdev_get_by_index+0x5e/0x80 [ 6015.208571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6015.208571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6015.208571][ T903] ip6_route_add+0x1c/0x140 [ 6015.208571][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6015.208571][ T903] inet6_addr_add+0x4f8/0xa40 [ 6015.208571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6015.208571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.208571][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.208571][ T903] netlink_unicast+0x449/0x710 [ 6015.208571][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.208571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.208571][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.208571][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.208571][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.208571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6015.208571][ T903] [ 6015.210794][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6015.210794][ T903] netdev_get_by_index+0x5e/0x80 [ 6015.210794][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6015.210794][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6015.210794][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6015.210794][ T903] ipv6_add_addr+0x411/0x2000 [ 6015.210794][ T903] inet6_addr_add+0x30e/0xa40 [ 6015.210794][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6015.210794][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.210794][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.210794][ T903] netlink_unicast+0x449/0x710 [ 6015.210794][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.210794][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.210794][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.210794][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.210794][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.210794][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6015.210794][ T903] [ 6015.212889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6015.212889][ T903] netdev_get_by_index+0x5e/0x80 [ 6015.212889][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6015.212889][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6015.212889][ T903] ip6_route_add+0x1c/0x140 [ 6015.212889][ T903] addrconf_add_mroute+0x129/0x180 [ 6015.212889][ T903] addrconf_add_dev+0xe2/0x170 [ 6015.212889][ T903] inet6_addr_add+0x12f/0xa40 [ 6015.212889][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6015.212889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.212889][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.212889][ T903] netlink_unicast+0x449/0x710 [ 6015.212889][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.212889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.212889][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.212889][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.212889][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.212889][ T903] [ 6015.215112][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6015.215112][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6015.215112][ T903] ipv6_find_idev+0x102/0x170 [ 6015.215112][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6015.215112][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.215112][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.215112][ T903] netlink_unicast+0x449/0x710 [ 6015.215112][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.215112][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.215112][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.215112][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.215112][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.215112][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6015.215112][ T903] [ 6015.216754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6015.216754][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6015.216754][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6015.216754][ T903] ipv6_find_idev+0x102/0x170 [ 6015.216754][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6015.216754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6015.216754][ T903] netlink_rcv_skb+0x130/0x360 [ 6015.216754][ T903] netlink_unicast+0x449/0x710 [ 6015.216754][ T903] netlink_sendmsg+0x723/0xbe0 [ 6015.216754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6015.216754][ T903] ___sys_sendmsg+0xee/0x170 [ 6015.216754][ T903] __sys_sendmsg+0xcd/0x170 [ 6015.216754][ T903] do_syscall_64+0xc6/0x1e0 [ 6015.216754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6015.216754][ T903] [ 6025.469866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6025.470608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6025.470608][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6025.470608][ T903] ip6_validate_gw+0x3eb/0x790 [ 6025.470608][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6025.470608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6025.470608][ T903] ip6_route_add+0x1c/0x140 [ 6025.470608][ T903] inet6_rtm_newroute+0x104/0x110 [ 6025.470608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.470608][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.470608][ T903] netlink_unicast+0x449/0x710 [ 6025.470608][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.470608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.470608][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.470608][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.470608][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.470608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6025.470608][ T903] [ 6025.472783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6025.472783][ T903] netdev_get_by_index+0x5e/0x80 [ 6025.472783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6025.472783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6025.472783][ T903] ip6_route_add+0x1c/0x140 [ 6025.472783][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6025.472783][ T903] inet6_addr_add+0x4f8/0xa40 [ 6025.472783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6025.472783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.472783][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.472783][ T903] netlink_unicast+0x449/0x710 [ 6025.472783][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.472783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.472783][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.472783][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.472783][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.472783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6025.472783][ T903] [ 6025.475050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6025.475050][ T903] netdev_get_by_index+0x5e/0x80 [ 6025.475050][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6025.475050][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6025.475050][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6025.475050][ T903] ipv6_add_addr+0x411/0x2000 [ 6025.475050][ T903] inet6_addr_add+0x30e/0xa40 [ 6025.475050][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6025.475050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.475050][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.475050][ T903] netlink_unicast+0x449/0x710 [ 6025.475050][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.475050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.475050][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.475050][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.475050][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.475050][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6025.475050][ T903] [ 6025.477275][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6025.477275][ T903] netdev_get_by_index+0x5e/0x80 [ 6025.477275][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6025.477275][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6025.477275][ T903] ip6_route_add+0x1c/0x140 [ 6025.477275][ T903] addrconf_add_mroute+0x129/0x180 [ 6025.477275][ T903] addrconf_add_dev+0xe2/0x170 [ 6025.477275][ T903] inet6_addr_add+0x12f/0xa40 [ 6025.477275][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6025.477275][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.477275][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.477275][ T903] netlink_unicast+0x449/0x710 [ 6025.477275][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.477275][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.477275][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.477275][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.477275][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.477275][ T903] [ 6025.479493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6025.479493][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6025.479493][ T903] ipv6_find_idev+0x102/0x170 [ 6025.479493][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6025.479493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.479493][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.479493][ T903] netlink_unicast+0x449/0x710 [ 6025.479493][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.479493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.479493][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.479493][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.479493][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.479493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6025.479493][ T903] [ 6025.481234][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6025.481234][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6025.481234][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6025.481234][ T903] ipv6_find_idev+0x102/0x170 [ 6025.481234][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6025.481234][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6025.481234][ T903] netlink_rcv_skb+0x130/0x360 [ 6025.481234][ T903] netlink_unicast+0x449/0x710 [ 6025.481234][ T903] netlink_sendmsg+0x723/0xbe0 [ 6025.481234][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6025.481234][ T903] ___sys_sendmsg+0xee/0x170 [ 6025.481234][ T903] __sys_sendmsg+0xcd/0x170 [ 6025.481234][ T903] do_syscall_64+0xc6/0x1e0 [ 6025.481234][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6025.481234][ T903] [ 6035.733863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6035.734565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6035.734565][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6035.734565][ T903] ip6_validate_gw+0x3eb/0x790 [ 6035.734565][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6035.734565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6035.734565][ T903] ip6_route_add+0x1c/0x140 [ 6035.734565][ T903] inet6_rtm_newroute+0x104/0x110 [ 6035.734565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.734565][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.734565][ T903] netlink_unicast+0x449/0x710 [ 6035.734565][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.734565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.734565][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.734565][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.734565][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.734565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.734565][ T903] [ 6035.736565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6035.736565][ T903] netdev_get_by_index+0x5e/0x80 [ 6035.736565][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6035.736565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6035.736565][ T903] ip6_route_add+0x1c/0x140 [ 6035.736565][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6035.736565][ T903] inet6_addr_add+0x4f8/0xa40 [ 6035.736565][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.736565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.736565][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.736565][ T903] netlink_unicast+0x449/0x710 [ 6035.736565][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.736565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.736565][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.736565][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.736565][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.736565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.736565][ T903] [ 6035.738682][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6035.738682][ T903] netdev_get_by_index+0x5e/0x80 [ 6035.738682][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6035.738682][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6035.738682][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6035.738682][ T903] ipv6_add_addr+0x411/0x2000 [ 6035.738682][ T903] inet6_addr_add+0x30e/0xa40 [ 6035.738682][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.738682][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.738682][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.738682][ T903] netlink_unicast+0x449/0x710 [ 6035.738682][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.738682][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.738682][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.738682][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.738682][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.738682][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.738682][ T903] [ 6035.740802][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6035.740802][ T903] netdev_get_by_index+0x5e/0x80 [ 6035.740802][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6035.740802][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6035.740802][ T903] ip6_route_add+0x1c/0x140 [ 6035.740802][ T903] addrconf_add_mroute+0x129/0x180 [ 6035.740802][ T903] addrconf_add_dev+0xe2/0x170 [ 6035.740802][ T903] inet6_addr_add+0x12f/0xa40 [ 6035.740802][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6035.740802][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.740802][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.740802][ T903] netlink_unicast+0x449/0x710 [ 6035.740802][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.740802][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.740802][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.740802][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.740802][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.740802][ T903] [ 6035.743036][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6035.743036][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6035.743036][ T903] ipv6_find_idev+0x102/0x170 [ 6035.743036][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6035.743036][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.743036][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.743036][ T903] netlink_unicast+0x449/0x710 [ 6035.743036][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.743036][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.743036][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.743036][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.743036][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.743036][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.743036][ T903] [ 6035.744715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6035.744715][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6035.744715][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6035.744715][ T903] ipv6_find_idev+0x102/0x170 [ 6035.744715][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6035.744715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6035.744715][ T903] netlink_rcv_skb+0x130/0x360 [ 6035.744715][ T903] netlink_unicast+0x449/0x710 [ 6035.744715][ T903] netlink_sendmsg+0x723/0xbe0 [ 6035.744715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6035.744715][ T903] ___sys_sendmsg+0xee/0x170 [ 6035.744715][ T903] __sys_sendmsg+0xcd/0x170 [ 6035.744715][ T903] do_syscall_64+0xc6/0x1e0 [ 6035.744715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6035.744715][ T903] [ 6045.997799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6045.998273][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6045.998273][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6045.998273][ T903] ip6_validate_gw+0x3eb/0x790 [ 6045.998273][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6045.998273][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6045.998273][ T903] ip6_route_add+0x1c/0x140 [ 6045.998273][ T903] inet6_rtm_newroute+0x104/0x110 [ 6045.998273][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6045.998273][ T903] netlink_rcv_skb+0x130/0x360 [ 6045.998273][ T903] netlink_unicast+0x449/0x710 [ 6045.998273][ T903] netlink_sendmsg+0x723/0xbe0 [ 6045.998273][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6045.998273][ T903] ___sys_sendmsg+0xee/0x170 [ 6045.998273][ T903] __sys_sendmsg+0xcd/0x170 [ 6045.998273][ T903] do_syscall_64+0xc6/0x1e0 [ 6045.998273][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6045.998273][ T903] [ 6046.000405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6046.000405][ T903] netdev_get_by_index+0x5e/0x80 [ 6046.000405][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6046.000405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6046.000405][ T903] ip6_route_add+0x1c/0x140 [ 6046.000405][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6046.000405][ T903] inet6_addr_add+0x4f8/0xa40 [ 6046.000405][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.000405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.000405][ T903] netlink_rcv_skb+0x130/0x360 [ 6046.000405][ T903] netlink_unicast+0x449/0x710 [ 6046.000405][ T903] netlink_sendmsg+0x723/0xbe0 [ 6046.000405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6046.000405][ T903] ___sys_sendmsg+0xee/0x170 [ 6046.000405][ T903] __sys_sendmsg+0xcd/0x170 [ 6046.000405][ T903] do_syscall_64+0xc6/0x1e0 [ 6046.000405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.000405][ T903] [ 6046.002652][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6046.002652][ T903] netdev_get_by_index+0x5e/0x80 [ 6046.002652][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6046.002652][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6046.002652][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6046.002652][ T903] ipv6_add_addr+0x411/0x2000 [ 6046.002652][ T903] inet6_addr_add+0x30e/0xa40 [ 6046.002652][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.002652][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.002652][ T903] netlink_rcv_skb+0x130/0x360 [ 6046.002652][ T903] netlink_unicast+0x449/0x710 [ 6046.002652][ T903] netlink_sendmsg+0x723/0xbe0 [ 6046.002652][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6046.002652][ T903] ___sys_sendmsg+0xee/0x170 [ 6046.002652][ T903] __sys_sendmsg+0xcd/0x170 [ 6046.002652][ T903] do_syscall_64+0xc6/0x1e0 [ 6046.002652][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.002652][ T903] [ 6046.004885][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6046.004885][ T903] netdev_get_by_index+0x5e/0x80 [ 6046.004885][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6046.004885][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6046.004885][ T903] ip6_route_add+0x1c/0x140 [ 6046.004885][ T903] addrconf_add_mroute+0x129/0x180 [ 6046.004885][ T903] addrconf_add_dev+0xe2/0x170 [ 6046.004885][ T903] inet6_addr_add+0x12f/0xa40 [ 6046.004885][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.004885][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.004885][ T903] netlink_rcv_skb+0x130/0x360 [ 6046.004885][ T903] netlink_unicast+0x449/0x710 [ 6046.004885][ T903] netlink_sendmsg+0x723/0xbe0 [ 6046.004885][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6046.004885][ T903] ___sys_sendmsg+0xee/0x170 [ 6046.004885][ T903] __sys_sendmsg+0xcd/0x170 [ 6046.004885][ T903] do_syscall_64+0xc6/0x1e0 [ 6046.004885][ T903] [ 6046.007568][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6046.007568][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6046.007568][ T903] ipv6_find_idev+0x102/0x170 [ 6046.007568][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6046.007568][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.007568][ T903] netlink_rcv_skb+0x130/0x360 [ 6046.007568][ T903] netlink_unicast+0x449/0x710 [ 6046.007568][ T903] netlink_sendmsg+0x723/0xbe0 [ 6046.007568][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6046.007568][ T903] ___sys_sendmsg+0xee/0x170 [ 6046.007568][ T903] __sys_sendmsg+0xcd/0x170 [ 6046.007568][ T903] do_syscall_64+0xc6/0x1e0 [ 6046.007568][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.007568][ T903] [ 6046.009278][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6046.009278][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6046.009278][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6046.009278][ T903] ipv6_find_idev+0x102/0x170 [ 6046.009278][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6046.009278][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.009278][ T903] netlink_rcv_skb+0x130/0x360 [ 6046.009278][ T903] netlink_unicast+0x449/0x710 [ 6046.009278][ T903] netlink_sendmsg+0x723/0xbe0 [ 6046.009278][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6046.009278][ T903] ___sys_sendmsg+0xee/0x170 [ 6046.009278][ T903] __sys_sendmsg+0xcd/0x170 [ 6046.009278][ T903] do_syscall_64+0xc6/0x1e0 [ 6046.009278][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.009278][ T903] [ 6056.261889][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6056.262580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6056.262580][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6056.262580][ T903] ip6_validate_gw+0x3eb/0x790 [ 6056.262580][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6056.262580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6056.262580][ T903] ip6_route_add+0x1c/0x140 [ 6056.262580][ T903] inet6_rtm_newroute+0x104/0x110 [ 6056.262580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.262580][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.262580][ T903] netlink_unicast+0x449/0x710 [ 6056.262580][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.262580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.262580][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.262580][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.262580][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.262580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6056.262580][ T903] [ 6056.264687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6056.264687][ T903] netdev_get_by_index+0x5e/0x80 [ 6056.264687][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6056.264687][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6056.264687][ T903] ip6_route_add+0x1c/0x140 [ 6056.264687][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6056.264687][ T903] inet6_addr_add+0x4f8/0xa40 [ 6056.264687][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6056.264687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.264687][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.264687][ T903] netlink_unicast+0x449/0x710 [ 6056.264687][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.264687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.264687][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.264687][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.264687][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.264687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6056.264687][ T903] [ 6056.266885][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6056.266885][ T903] netdev_get_by_index+0x5e/0x80 [ 6056.266885][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6056.266885][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6056.266885][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6056.266885][ T903] ipv6_add_addr+0x411/0x2000 [ 6056.266885][ T903] inet6_addr_add+0x30e/0xa40 [ 6056.266885][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6056.266885][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.266885][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.266885][ T903] netlink_unicast+0x449/0x710 [ 6056.266885][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.266885][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.266885][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.266885][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.266885][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.266885][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6056.266885][ T903] [ 6056.295478][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6056.295478][ T903] netdev_get_by_index+0x5e/0x80 [ 6056.295478][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6056.295478][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6056.295478][ T903] ip6_route_add+0x1c/0x140 [ 6056.295478][ T903] addrconf_add_mroute+0x129/0x180 [ 6056.295478][ T903] addrconf_add_dev+0xe2/0x170 [ 6056.295478][ T903] inet6_addr_add+0x12f/0xa40 [ 6056.295478][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6056.295478][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.295478][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.295478][ T903] netlink_unicast+0x449/0x710 [ 6056.295478][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.295478][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.295478][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.295478][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.295478][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.295478][ T903] [ 6056.297617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6056.297617][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6056.297617][ T903] ipv6_find_idev+0x102/0x170 [ 6056.297617][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6056.297617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.297617][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.297617][ T903] netlink_unicast+0x449/0x710 [ 6056.297617][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.297617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.297617][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.297617][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.297617][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.297617][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6056.297617][ T903] [ 6056.299267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6056.299267][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6056.299267][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6056.299267][ T903] ipv6_find_idev+0x102/0x170 [ 6056.299267][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6056.299267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6056.299267][ T903] netlink_rcv_skb+0x130/0x360 [ 6056.299267][ T903] netlink_unicast+0x449/0x710 [ 6056.299267][ T903] netlink_sendmsg+0x723/0xbe0 [ 6056.299267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6056.299267][ T903] ___sys_sendmsg+0xee/0x170 [ 6056.299267][ T903] __sys_sendmsg+0xcd/0x170 [ 6056.299267][ T903] do_syscall_64+0xc6/0x1e0 [ 6056.299267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6056.299267][ T903] [ 6066.334002][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6066.334541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6066.334541][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6066.334541][ T903] ip6_validate_gw+0x3eb/0x790 [ 6066.334541][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6066.334541][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6066.334541][ T903] ip6_route_add+0x1c/0x140 [ 6066.334541][ T903] inet6_rtm_newroute+0x104/0x110 [ 6066.334541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.334541][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.334541][ T903] netlink_unicast+0x449/0x710 [ 6066.334541][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.334541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.334541][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.334541][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.334541][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.334541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6066.334541][ T903] [ 6066.336660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6066.336660][ T903] netdev_get_by_index+0x5e/0x80 [ 6066.336660][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6066.336660][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6066.336660][ T903] ip6_route_add+0x1c/0x140 [ 6066.336660][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6066.336660][ T903] inet6_addr_add+0x4f8/0xa40 [ 6066.336660][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6066.336660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.336660][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.336660][ T903] netlink_unicast+0x449/0x710 [ 6066.336660][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.336660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.336660][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.336660][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.336660][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.336660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6066.336660][ T903] [ 6066.365270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6066.365270][ T903] netdev_get_by_index+0x5e/0x80 [ 6066.365270][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6066.365270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6066.365270][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6066.365270][ T903] ipv6_add_addr+0x411/0x2000 [ 6066.365270][ T903] inet6_addr_add+0x30e/0xa40 [ 6066.365270][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6066.365270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.365270][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.365270][ T903] netlink_unicast+0x449/0x710 [ 6066.365270][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.365270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.365270][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.365270][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.365270][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.365270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6066.365270][ T903] [ 6066.367497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6066.367497][ T903] netdev_get_by_index+0x5e/0x80 [ 6066.367497][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6066.367497][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6066.367497][ T903] ip6_route_add+0x1c/0x140 [ 6066.367497][ T903] addrconf_add_mroute+0x129/0x180 [ 6066.367497][ T903] addrconf_add_dev+0xe2/0x170 [ 6066.367497][ T903] inet6_addr_add+0x12f/0xa40 [ 6066.367497][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6066.367497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.367497][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.367497][ T903] netlink_unicast+0x449/0x710 [ 6066.367497][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.367497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.367497][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.367497][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.367497][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.367497][ T903] [ 6066.369677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6066.369677][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6066.369677][ T903] ipv6_find_idev+0x102/0x170 [ 6066.369677][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6066.369677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.369677][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.369677][ T903] netlink_unicast+0x449/0x710 [ 6066.369677][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.369677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.369677][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.369677][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.369677][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.369677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6066.369677][ T903] [ 6066.371384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6066.371384][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6066.371384][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6066.371384][ T903] ipv6_find_idev+0x102/0x170 [ 6066.371384][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6066.371384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6066.371384][ T903] netlink_rcv_skb+0x130/0x360 [ 6066.371384][ T903] netlink_unicast+0x449/0x710 [ 6066.371384][ T903] netlink_sendmsg+0x723/0xbe0 [ 6066.371384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6066.371384][ T903] ___sys_sendmsg+0xee/0x170 [ 6066.371384][ T903] __sys_sendmsg+0xcd/0x170 [ 6066.371384][ T903] do_syscall_64+0xc6/0x1e0 [ 6066.371384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6066.371384][ T903] [ 6076.621953][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6076.622529][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6076.622529][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6076.622529][ T903] ip6_validate_gw+0x3eb/0x790 [ 6076.622529][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6076.622529][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6076.622529][ T903] ip6_route_add+0x1c/0x140 [ 6076.622529][ T903] inet6_rtm_newroute+0x104/0x110 [ 6076.622529][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.622529][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.622529][ T903] netlink_unicast+0x449/0x710 [ 6076.622529][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.622529][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.622529][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.622529][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.622529][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.622529][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.622529][ T903] [ 6076.624553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6076.624553][ T903] netdev_get_by_index+0x5e/0x80 [ 6076.624553][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6076.624553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6076.624553][ T903] ip6_route_add+0x1c/0x140 [ 6076.624553][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6076.624553][ T903] inet6_addr_add+0x4f8/0xa40 [ 6076.624553][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.624553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.624553][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.624553][ T903] netlink_unicast+0x449/0x710 [ 6076.624553][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.624553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.624553][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.624553][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.624553][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.624553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.624553][ T903] [ 6076.626733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6076.626733][ T903] netdev_get_by_index+0x5e/0x80 [ 6076.626733][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6076.626733][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6076.626733][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6076.626733][ T903] ipv6_add_addr+0x411/0x2000 [ 6076.626733][ T903] inet6_addr_add+0x30e/0xa40 [ 6076.626733][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.626733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.626733][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.626733][ T903] netlink_unicast+0x449/0x710 [ 6076.626733][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.626733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.626733][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.626733][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.626733][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.626733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.626733][ T903] [ 6076.628880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6076.628880][ T903] netdev_get_by_index+0x5e/0x80 [ 6076.628880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6076.628880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6076.628880][ T903] ip6_route_add+0x1c/0x140 [ 6076.628880][ T903] addrconf_add_mroute+0x129/0x180 [ 6076.628880][ T903] addrconf_add_dev+0xe2/0x170 [ 6076.628880][ T903] inet6_addr_add+0x12f/0xa40 [ 6076.628880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6076.628880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.628880][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.628880][ T903] netlink_unicast+0x449/0x710 [ 6076.628880][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.628880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.628880][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.628880][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.628880][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.628880][ T903] [ 6076.631066][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6076.631066][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6076.631066][ T903] ipv6_find_idev+0x102/0x170 [ 6076.631066][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6076.631066][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.631066][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.631066][ T903] netlink_unicast+0x449/0x710 [ 6076.631066][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.631066][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.631066][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.631066][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.631066][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.631066][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.631066][ T903] [ 6076.632773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6076.632773][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6076.632773][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6076.632773][ T903] ipv6_find_idev+0x102/0x170 [ 6076.632773][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6076.632773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6076.632773][ T903] netlink_rcv_skb+0x130/0x360 [ 6076.632773][ T903] netlink_unicast+0x449/0x710 [ 6076.632773][ T903] netlink_sendmsg+0x723/0xbe0 [ 6076.632773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6076.632773][ T903] ___sys_sendmsg+0xee/0x170 [ 6076.632773][ T903] __sys_sendmsg+0xcd/0x170 [ 6076.632773][ T903] do_syscall_64+0xc6/0x1e0 [ 6076.632773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6076.632773][ T903] [ 6086.885865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6086.886670][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6086.886670][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6086.886670][ T903] ip6_validate_gw+0x3eb/0x790 [ 6086.886670][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6086.886670][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6086.886670][ T903] ip6_route_add+0x1c/0x140 [ 6086.886670][ T903] inet6_rtm_newroute+0x104/0x110 [ 6086.886670][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.886670][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.886670][ T903] netlink_unicast+0x449/0x710 [ 6086.886670][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.886670][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.886670][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.886670][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.886670][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.886670][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.886670][ T903] [ 6086.888808][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6086.888808][ T903] netdev_get_by_index+0x5e/0x80 [ 6086.888808][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6086.888808][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6086.888808][ T903] ip6_route_add+0x1c/0x140 [ 6086.888808][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6086.888808][ T903] inet6_addr_add+0x4f8/0xa40 [ 6086.888808][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.888808][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.888808][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.888808][ T903] netlink_unicast+0x449/0x710 [ 6086.888808][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.888808][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.888808][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.888808][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.888808][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.888808][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.888808][ T903] [ 6086.891035][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6086.891035][ T903] netdev_get_by_index+0x5e/0x80 [ 6086.891035][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6086.891035][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6086.891035][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6086.891035][ T903] ipv6_add_addr+0x411/0x2000 [ 6086.891035][ T903] inet6_addr_add+0x30e/0xa40 [ 6086.891035][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.891035][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.891035][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.891035][ T903] netlink_unicast+0x449/0x710 [ 6086.891035][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.891035][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.891035][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.891035][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.891035][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.891035][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.891035][ T903] [ 6086.893258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6086.893258][ T903] netdev_get_by_index+0x5e/0x80 [ 6086.893258][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6086.893258][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6086.893258][ T903] ip6_route_add+0x1c/0x140 [ 6086.893258][ T903] addrconf_add_mroute+0x129/0x180 [ 6086.893258][ T903] addrconf_add_dev+0xe2/0x170 [ 6086.893258][ T903] inet6_addr_add+0x12f/0xa40 [ 6086.893258][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6086.893258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.893258][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.893258][ T903] netlink_unicast+0x449/0x710 [ 6086.893258][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.893258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.893258][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.893258][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.893258][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.893258][ T903] [ 6086.895461][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6086.895461][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6086.895461][ T903] ipv6_find_idev+0x102/0x170 [ 6086.895461][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.895461][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.895461][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.895461][ T903] netlink_unicast+0x449/0x710 [ 6086.895461][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.895461][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.895461][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.895461][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.895461][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.895461][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.895461][ T903] [ 6086.897166][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6086.897166][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6086.897166][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6086.897166][ T903] ipv6_find_idev+0x102/0x170 [ 6086.897166][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6086.897166][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6086.897166][ T903] netlink_rcv_skb+0x130/0x360 [ 6086.897166][ T903] netlink_unicast+0x449/0x710 [ 6086.897166][ T903] netlink_sendmsg+0x723/0xbe0 [ 6086.897166][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6086.897166][ T903] ___sys_sendmsg+0xee/0x170 [ 6086.897166][ T903] __sys_sendmsg+0xcd/0x170 [ 6086.897166][ T903] do_syscall_64+0xc6/0x1e0 [ 6086.897166][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6086.897166][ T903] [ 6097.149831][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6097.150354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6097.150354][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6097.150354][ T903] ip6_validate_gw+0x3eb/0x790 [ 6097.150354][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6097.150354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6097.150354][ T903] ip6_route_add+0x1c/0x140 [ 6097.150354][ T903] inet6_rtm_newroute+0x104/0x110 [ 6097.150354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.150354][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.150354][ T903] netlink_unicast+0x449/0x710 [ 6097.150354][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.150354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.150354][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.150354][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.150354][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.150354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.150354][ T903] [ 6097.152484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6097.152484][ T903] netdev_get_by_index+0x5e/0x80 [ 6097.152484][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6097.152484][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6097.152484][ T903] ip6_route_add+0x1c/0x140 [ 6097.152484][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6097.152484][ T903] inet6_addr_add+0x4f8/0xa40 [ 6097.152484][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6097.152484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.152484][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.152484][ T903] netlink_unicast+0x449/0x710 [ 6097.152484][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.152484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.152484][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.152484][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.152484][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.152484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.152484][ T903] [ 6097.154718][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6097.154718][ T903] netdev_get_by_index+0x5e/0x80 [ 6097.154718][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6097.154718][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6097.154718][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6097.154718][ T903] ipv6_add_addr+0x411/0x2000 [ 6097.154718][ T903] inet6_addr_add+0x30e/0xa40 [ 6097.154718][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6097.154718][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.154718][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.154718][ T903] netlink_unicast+0x449/0x710 [ 6097.154718][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.154718][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.154718][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.154718][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.154718][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.154718][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.154718][ T903] [ 6097.156966][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6097.156966][ T903] netdev_get_by_index+0x5e/0x80 [ 6097.156966][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6097.156966][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6097.156966][ T903] ip6_route_add+0x1c/0x140 [ 6097.156966][ T903] addrconf_add_mroute+0x129/0x180 [ 6097.156966][ T903] addrconf_add_dev+0xe2/0x170 [ 6097.156966][ T903] inet6_addr_add+0x12f/0xa40 [ 6097.156966][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6097.156966][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.156966][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.156966][ T903] netlink_unicast+0x449/0x710 [ 6097.156966][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.156966][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.156966][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.156966][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.156966][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.156966][ T903] [ 6097.159262][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6097.159262][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6097.159262][ T903] ipv6_find_idev+0x102/0x170 [ 6097.159262][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6097.159262][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.159262][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.159262][ T903] netlink_unicast+0x449/0x710 [ 6097.159262][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.159262][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.159262][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.159262][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.159262][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.159262][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.159262][ T903] [ 6097.160970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6097.160970][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6097.160970][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6097.160970][ T903] ipv6_find_idev+0x102/0x170 [ 6097.160970][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6097.160970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.160970][ T903] netlink_rcv_skb+0x130/0x360 [ 6097.160970][ T903] netlink_unicast+0x449/0x710 [ 6097.160970][ T903] netlink_sendmsg+0x723/0xbe0 [ 6097.160970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6097.160970][ T903] ___sys_sendmsg+0xee/0x170 [ 6097.160970][ T903] __sys_sendmsg+0xcd/0x170 [ 6097.160970][ T903] do_syscall_64+0xc6/0x1e0 [ 6097.160970][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.160970][ T903] [ 6107.413796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6107.414310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6107.414310][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6107.414310][ T903] ip6_validate_gw+0x3eb/0x790 [ 6107.414310][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6107.414310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6107.414310][ T903] ip6_route_add+0x1c/0x140 [ 6107.414310][ T903] inet6_rtm_newroute+0x104/0x110 [ 6107.414310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.414310][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.414310][ T903] netlink_unicast+0x449/0x710 [ 6107.414310][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.414310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.414310][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.414310][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.414310][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.414310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6107.414310][ T903] [ 6107.416405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6107.416405][ T903] netdev_get_by_index+0x5e/0x80 [ 6107.416405][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6107.416405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6107.416405][ T903] ip6_route_add+0x1c/0x140 [ 6107.416405][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6107.416405][ T903] inet6_addr_add+0x4f8/0xa40 [ 6107.416405][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6107.416405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.416405][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.416405][ T903] netlink_unicast+0x449/0x710 [ 6107.416405][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.416405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.416405][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.416405][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.416405][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.416405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6107.416405][ T903] [ 6107.418613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6107.418613][ T903] netdev_get_by_index+0x5e/0x80 [ 6107.418613][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6107.418613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6107.418613][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6107.418613][ T903] ipv6_add_addr+0x411/0x2000 [ 6107.418613][ T903] inet6_addr_add+0x30e/0xa40 [ 6107.418613][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6107.418613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.418613][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.418613][ T903] netlink_unicast+0x449/0x710 [ 6107.418613][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.418613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.418613][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.418613][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.418613][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.418613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6107.418613][ T903] [ 6107.420813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6107.420813][ T903] netdev_get_by_index+0x5e/0x80 [ 6107.420813][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6107.420813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6107.420813][ T903] ip6_route_add+0x1c/0x140 [ 6107.420813][ T903] addrconf_add_mroute+0x129/0x180 [ 6107.420813][ T903] addrconf_add_dev+0xe2/0x170 [ 6107.420813][ T903] inet6_addr_add+0x12f/0xa40 [ 6107.420813][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6107.420813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.420813][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.420813][ T903] netlink_unicast+0x449/0x710 [ 6107.420813][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.420813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.420813][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.420813][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.420813][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.420813][ T903] [ 6107.422969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6107.422969][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6107.422969][ T903] ipv6_find_idev+0x102/0x170 [ 6107.422969][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6107.422969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.422969][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.422969][ T903] netlink_unicast+0x449/0x710 [ 6107.422969][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.422969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.422969][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.422969][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.422969][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.422969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6107.422969][ T903] [ 6107.424660][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6107.424660][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6107.424660][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6107.424660][ T903] ipv6_find_idev+0x102/0x170 [ 6107.424660][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6107.424660][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6107.424660][ T903] netlink_rcv_skb+0x130/0x360 [ 6107.424660][ T903] netlink_unicast+0x449/0x710 [ 6107.424660][ T903] netlink_sendmsg+0x723/0xbe0 [ 6107.424660][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6107.424660][ T903] ___sys_sendmsg+0xee/0x170 [ 6107.424660][ T903] __sys_sendmsg+0xcd/0x170 [ 6107.424660][ T903] do_syscall_64+0xc6/0x1e0 [ 6107.424660][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6107.424660][ T903] [ 6117.669799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6117.670307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6117.670307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6117.670307][ T903] ip6_validate_gw+0x3eb/0x790 [ 6117.670307][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6117.670307][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6117.670307][ T903] ip6_route_add+0x1c/0x140 [ 6117.670307][ T903] inet6_rtm_newroute+0x104/0x110 [ 6117.670307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.670307][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.670307][ T903] netlink_unicast+0x449/0x710 [ 6117.670307][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.670307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.670307][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.670307][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.670307][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.670307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6117.670307][ T903] [ 6117.672391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6117.672391][ T903] netdev_get_by_index+0x5e/0x80 [ 6117.672391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6117.672391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6117.672391][ T903] ip6_route_add+0x1c/0x140 [ 6117.672391][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6117.672391][ T903] inet6_addr_add+0x4f8/0xa40 [ 6117.672391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6117.672391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.672391][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.672391][ T903] netlink_unicast+0x449/0x710 [ 6117.672391][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.672391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.672391][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.672391][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.672391][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.672391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6117.672391][ T903] [ 6117.675051][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6117.675051][ T903] netdev_get_by_index+0x5e/0x80 [ 6117.675051][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6117.675051][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6117.675051][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6117.675051][ T903] ipv6_add_addr+0x411/0x2000 [ 6117.675051][ T903] inet6_addr_add+0x30e/0xa40 [ 6117.675051][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6117.675051][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.675051][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.675051][ T903] netlink_unicast+0x449/0x710 [ 6117.675051][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.675051][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.675051][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.675051][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.675051][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.675051][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6117.675051][ T903] [ 6117.703464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6117.703464][ T903] netdev_get_by_index+0x5e/0x80 [ 6117.703464][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6117.703464][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6117.703464][ T903] ip6_route_add+0x1c/0x140 [ 6117.703464][ T903] addrconf_add_mroute+0x129/0x180 [ 6117.703464][ T903] addrconf_add_dev+0xe2/0x170 [ 6117.703464][ T903] inet6_addr_add+0x12f/0xa40 [ 6117.703464][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6117.703464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.703464][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.703464][ T903] netlink_unicast+0x449/0x710 [ 6117.703464][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.703464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.703464][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.703464][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.703464][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.703464][ T903] [ 6117.705571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6117.705571][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6117.705571][ T903] ipv6_find_idev+0x102/0x170 [ 6117.705571][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6117.705571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.705571][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.705571][ T903] netlink_unicast+0x449/0x710 [ 6117.705571][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.705571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.705571][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.705571][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.705571][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.705571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6117.705571][ T903] [ 6117.707270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6117.707270][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6117.707270][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6117.707270][ T903] ipv6_find_idev+0x102/0x170 [ 6117.707270][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6117.707270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6117.707270][ T903] netlink_rcv_skb+0x130/0x360 [ 6117.707270][ T903] netlink_unicast+0x449/0x710 [ 6117.707270][ T903] netlink_sendmsg+0x723/0xbe0 [ 6117.707270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6117.707270][ T903] ___sys_sendmsg+0xee/0x170 [ 6117.707270][ T903] __sys_sendmsg+0xcd/0x170 [ 6117.707270][ T903] do_syscall_64+0xc6/0x1e0 [ 6117.707270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6117.707270][ T903] [ 6127.957802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6127.958255][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6127.958255][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6127.958255][ T903] ip6_validate_gw+0x3eb/0x790 [ 6127.958255][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6127.958255][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6127.958255][ T903] ip6_route_add+0x1c/0x140 [ 6127.958255][ T903] inet6_rtm_newroute+0x104/0x110 [ 6127.958255][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.958255][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.958255][ T903] netlink_unicast+0x449/0x710 [ 6127.958255][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.958255][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.958255][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.958255][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.958255][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.958255][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6127.958255][ T903] [ 6127.960349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6127.960349][ T903] netdev_get_by_index+0x5e/0x80 [ 6127.960349][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6127.960349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6127.960349][ T903] ip6_route_add+0x1c/0x140 [ 6127.960349][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6127.960349][ T903] inet6_addr_add+0x4f8/0xa40 [ 6127.960349][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6127.960349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.960349][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.960349][ T903] netlink_unicast+0x449/0x710 [ 6127.960349][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.960349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.960349][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.960349][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.960349][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.960349][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6127.960349][ T903] [ 6127.962542][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6127.962542][ T903] netdev_get_by_index+0x5e/0x80 [ 6127.962542][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6127.962542][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6127.962542][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6127.962542][ T903] ipv6_add_addr+0x411/0x2000 [ 6127.962542][ T903] inet6_addr_add+0x30e/0xa40 [ 6127.962542][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6127.962542][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.962542][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.962542][ T903] netlink_unicast+0x449/0x710 [ 6127.962542][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.962542][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.962542][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.962542][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.962542][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.962542][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6127.962542][ T903] [ 6127.964748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6127.964748][ T903] netdev_get_by_index+0x5e/0x80 [ 6127.964748][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6127.964748][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6127.964748][ T903] ip6_route_add+0x1c/0x140 [ 6127.964748][ T903] addrconf_add_mroute+0x129/0x180 [ 6127.964748][ T903] addrconf_add_dev+0xe2/0x170 [ 6127.964748][ T903] inet6_addr_add+0x12f/0xa40 [ 6127.964748][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6127.964748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.964748][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.964748][ T903] netlink_unicast+0x449/0x710 [ 6127.964748][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.964748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.964748][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.964748][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.964748][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.964748][ T903] [ 6127.966922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6127.966922][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6127.966922][ T903] ipv6_find_idev+0x102/0x170 [ 6127.966922][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6127.966922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.966922][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.966922][ T903] netlink_unicast+0x449/0x710 [ 6127.966922][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.966922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.966922][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.966922][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.966922][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.966922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6127.966922][ T903] [ 6127.968603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6127.968603][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6127.968603][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6127.968603][ T903] ipv6_find_idev+0x102/0x170 [ 6127.968603][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6127.968603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6127.968603][ T903] netlink_rcv_skb+0x130/0x360 [ 6127.968603][ T903] netlink_unicast+0x449/0x710 [ 6127.968603][ T903] netlink_sendmsg+0x723/0xbe0 [ 6127.968603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6127.968603][ T903] ___sys_sendmsg+0xee/0x170 [ 6127.968603][ T903] __sys_sendmsg+0xcd/0x170 [ 6127.968603][ T903] do_syscall_64+0xc6/0x1e0 [ 6127.968603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6127.968603][ T903] [ 6138.029834][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6138.030331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6138.030331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6138.030331][ T903] ip6_validate_gw+0x3eb/0x790 [ 6138.030331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6138.030331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6138.030331][ T903] ip6_route_add+0x1c/0x140 [ 6138.030331][ T903] inet6_rtm_newroute+0x104/0x110 [ 6138.030331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.030331][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.030331][ T903] netlink_unicast+0x449/0x710 [ 6138.030331][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.030331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.030331][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.030331][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.030331][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.030331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6138.030331][ T903] [ 6138.032442][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6138.032442][ T903] netdev_get_by_index+0x5e/0x80 [ 6138.032442][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6138.032442][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6138.032442][ T903] ip6_route_add+0x1c/0x140 [ 6138.032442][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6138.032442][ T903] inet6_addr_add+0x4f8/0xa40 [ 6138.032442][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6138.032442][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.032442][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.032442][ T903] netlink_unicast+0x449/0x710 [ 6138.032442][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.032442][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.032442][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.032442][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.032442][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.032442][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6138.032442][ T903] [ 6138.034655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6138.034655][ T903] netdev_get_by_index+0x5e/0x80 [ 6138.034655][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6138.034655][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6138.034655][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6138.034655][ T903] ipv6_add_addr+0x411/0x2000 [ 6138.034655][ T903] inet6_addr_add+0x30e/0xa40 [ 6138.034655][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6138.034655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.034655][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.034655][ T903] netlink_unicast+0x449/0x710 [ 6138.034655][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.034655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.034655][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.034655][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.034655][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.034655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6138.034655][ T903] [ 6138.036853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6138.036853][ T903] netdev_get_by_index+0x5e/0x80 [ 6138.036853][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6138.036853][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6138.036853][ T903] ip6_route_add+0x1c/0x140 [ 6138.036853][ T903] addrconf_add_mroute+0x129/0x180 [ 6138.036853][ T903] addrconf_add_dev+0xe2/0x170 [ 6138.036853][ T903] inet6_addr_add+0x12f/0xa40 [ 6138.036853][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6138.036853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.036853][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.036853][ T903] netlink_unicast+0x449/0x710 [ 6138.036853][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.036853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.036853][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.036853][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.036853][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.036853][ T903] [ 6138.039159][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6138.039159][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6138.039159][ T903] ipv6_find_idev+0x102/0x170 [ 6138.039159][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6138.039159][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.039159][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.039159][ T903] netlink_unicast+0x449/0x710 [ 6138.039159][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.039159][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.039159][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.039159][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.039159][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.039159][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6138.039159][ T903] [ 6138.040864][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6138.040864][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6138.040864][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6138.040864][ T903] ipv6_find_idev+0x102/0x170 [ 6138.040864][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6138.040864][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6138.040864][ T903] netlink_rcv_skb+0x130/0x360 [ 6138.040864][ T903] netlink_unicast+0x449/0x710 [ 6138.040864][ T903] netlink_sendmsg+0x723/0xbe0 [ 6138.040864][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6138.040864][ T903] ___sys_sendmsg+0xee/0x170 [ 6138.040864][ T903] __sys_sendmsg+0xcd/0x170 [ 6138.040864][ T903] do_syscall_64+0xc6/0x1e0 [ 6138.040864][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6138.040864][ T903] [ 6148.333937][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6148.334447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6148.334447][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6148.334447][ T903] ip6_validate_gw+0x3eb/0x790 [ 6148.334447][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6148.334447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6148.334447][ T903] ip6_route_add+0x1c/0x140 [ 6148.334447][ T903] inet6_rtm_newroute+0x104/0x110 [ 6148.334447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.334447][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.334447][ T903] netlink_unicast+0x449/0x710 [ 6148.334447][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.334447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.334447][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.334447][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.334447][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.334447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6148.334447][ T903] [ 6148.336545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6148.336545][ T903] netdev_get_by_index+0x5e/0x80 [ 6148.336545][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6148.336545][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6148.336545][ T903] ip6_route_add+0x1c/0x140 [ 6148.336545][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6148.336545][ T903] inet6_addr_add+0x4f8/0xa40 [ 6148.336545][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6148.336545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.336545][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.336545][ T903] netlink_unicast+0x449/0x710 [ 6148.336545][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.336545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.336545][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.336545][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.336545][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.336545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6148.336545][ T903] [ 6148.338745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6148.338745][ T903] netdev_get_by_index+0x5e/0x80 [ 6148.338745][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6148.338745][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6148.338745][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6148.338745][ T903] ipv6_add_addr+0x411/0x2000 [ 6148.338745][ T903] inet6_addr_add+0x30e/0xa40 [ 6148.338745][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6148.338745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.338745][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.338745][ T903] netlink_unicast+0x449/0x710 [ 6148.338745][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.338745][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.338745][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.338745][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.338745][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.338745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6148.338745][ T903] [ 6148.340954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6148.340954][ T903] netdev_get_by_index+0x5e/0x80 [ 6148.340954][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6148.340954][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6148.340954][ T903] ip6_route_add+0x1c/0x140 [ 6148.340954][ T903] addrconf_add_mroute+0x129/0x180 [ 6148.340954][ T903] addrconf_add_dev+0xe2/0x170 [ 6148.340954][ T903] inet6_addr_add+0x12f/0xa40 [ 6148.340954][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6148.340954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.340954][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.340954][ T903] netlink_unicast+0x449/0x710 [ 6148.340954][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.340954][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.340954][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.340954][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.340954][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.340954][ T903] [ 6148.343120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6148.343120][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6148.343120][ T903] ipv6_find_idev+0x102/0x170 [ 6148.343120][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6148.343120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.343120][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.343120][ T903] netlink_unicast+0x449/0x710 [ 6148.343120][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.343120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.343120][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.343120][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.343120][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.343120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6148.343120][ T903] [ 6148.344832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6148.344832][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6148.344832][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6148.344832][ T903] ipv6_find_idev+0x102/0x170 [ 6148.344832][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6148.344832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6148.344832][ T903] netlink_rcv_skb+0x130/0x360 [ 6148.344832][ T903] netlink_unicast+0x449/0x710 [ 6148.344832][ T903] netlink_sendmsg+0x723/0xbe0 [ 6148.344832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6148.344832][ T903] ___sys_sendmsg+0xee/0x170 [ 6148.344832][ T903] __sys_sendmsg+0xcd/0x170 [ 6148.344832][ T903] do_syscall_64+0xc6/0x1e0 [ 6148.344832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6148.344832][ T903] [ 6158.349810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6158.350259][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6158.350259][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6158.350259][ T903] ip6_validate_gw+0x3eb/0x790 [ 6158.350259][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6158.350259][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6158.350259][ T903] ip6_route_add+0x1c/0x140 [ 6158.350259][ T903] inet6_rtm_newroute+0x104/0x110 [ 6158.350259][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.350259][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.350259][ T903] netlink_unicast+0x449/0x710 [ 6158.350259][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.350259][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.350259][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.350259][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.350259][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.350259][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6158.350259][ T903] [ 6158.352357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6158.352357][ T903] netdev_get_by_index+0x5e/0x80 [ 6158.352357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6158.352357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6158.352357][ T903] ip6_route_add+0x1c/0x140 [ 6158.352357][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6158.352357][ T903] inet6_addr_add+0x4f8/0xa40 [ 6158.352357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6158.352357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.352357][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.352357][ T903] netlink_unicast+0x449/0x710 [ 6158.352357][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.352357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.352357][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.352357][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.352357][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.352357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6158.352357][ T903] [ 6158.354585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6158.354585][ T903] netdev_get_by_index+0x5e/0x80 [ 6158.354585][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6158.354585][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6158.354585][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6158.354585][ T903] ipv6_add_addr+0x411/0x2000 [ 6158.354585][ T903] inet6_addr_add+0x30e/0xa40 [ 6158.354585][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6158.354585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.354585][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.354585][ T903] netlink_unicast+0x449/0x710 [ 6158.354585][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.354585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.354585][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.354585][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.354585][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.354585][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6158.354585][ T903] [ 6158.356791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6158.356791][ T903] netdev_get_by_index+0x5e/0x80 [ 6158.356791][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6158.356791][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6158.356791][ T903] ip6_route_add+0x1c/0x140 [ 6158.356791][ T903] addrconf_add_mroute+0x129/0x180 [ 6158.356791][ T903] addrconf_add_dev+0xe2/0x170 [ 6158.356791][ T903] inet6_addr_add+0x12f/0xa40 [ 6158.356791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6158.356791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.356791][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.356791][ T903] netlink_unicast+0x449/0x710 [ 6158.356791][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.356791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.356791][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.356791][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.356791][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.356791][ T903] [ 6158.358954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6158.358954][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6158.358954][ T903] ipv6_find_idev+0x102/0x170 [ 6158.358954][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6158.358954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.358954][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.358954][ T903] netlink_unicast+0x449/0x710 [ 6158.358954][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.358954][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.358954][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.358954][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.358954][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.358954][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6158.358954][ T903] [ 6158.360646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6158.360646][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6158.360646][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6158.360646][ T903] ipv6_find_idev+0x102/0x170 [ 6158.360646][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6158.360646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6158.360646][ T903] netlink_rcv_skb+0x130/0x360 [ 6158.360646][ T903] netlink_unicast+0x449/0x710 [ 6158.360646][ T903] netlink_sendmsg+0x723/0xbe0 [ 6158.360646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6158.360646][ T903] ___sys_sendmsg+0xee/0x170 [ 6158.360646][ T903] __sys_sendmsg+0xcd/0x170 [ 6158.360646][ T903] do_syscall_64+0xc6/0x1e0 [ 6158.360646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6158.360646][ T903] [ 6168.597881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6168.598558][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6168.598558][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6168.598558][ T903] ip6_validate_gw+0x3eb/0x790 [ 6168.598558][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6168.598558][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6168.598558][ T903] ip6_route_add+0x1c/0x140 [ 6168.598558][ T903] inet6_rtm_newroute+0x104/0x110 [ 6168.598558][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.598558][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.598558][ T903] netlink_unicast+0x449/0x710 [ 6168.598558][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.598558][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.598558][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.598558][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.598558][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.598558][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6168.598558][ T903] [ 6168.600648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6168.600648][ T903] netdev_get_by_index+0x5e/0x80 [ 6168.600648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6168.600648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6168.600648][ T903] ip6_route_add+0x1c/0x140 [ 6168.600648][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6168.600648][ T903] inet6_addr_add+0x4f8/0xa40 [ 6168.600648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6168.600648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.600648][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.600648][ T903] netlink_unicast+0x449/0x710 [ 6168.600648][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.600648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.600648][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.600648][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.600648][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.600648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6168.600648][ T903] [ 6168.602840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6168.602840][ T903] netdev_get_by_index+0x5e/0x80 [ 6168.602840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6168.602840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6168.602840][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6168.602840][ T903] ipv6_add_addr+0x411/0x2000 [ 6168.602840][ T903] inet6_addr_add+0x30e/0xa40 [ 6168.602840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6168.602840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.602840][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.602840][ T903] netlink_unicast+0x449/0x710 [ 6168.602840][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.602840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.602840][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.602840][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.602840][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.602840][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6168.602840][ T903] [ 6168.605048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6168.605048][ T903] netdev_get_by_index+0x5e/0x80 [ 6168.605048][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6168.605048][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6168.605048][ T903] ip6_route_add+0x1c/0x140 [ 6168.605048][ T903] addrconf_add_mroute+0x129/0x180 [ 6168.605048][ T903] addrconf_add_dev+0xe2/0x170 [ 6168.605048][ T903] inet6_addr_add+0x12f/0xa40 [ 6168.605048][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6168.605048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.605048][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.605048][ T903] netlink_unicast+0x449/0x710 [ 6168.605048][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.605048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.605048][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.605048][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.605048][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.605048][ T903] [ 6168.607211][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6168.607211][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6168.607211][ T903] ipv6_find_idev+0x102/0x170 [ 6168.607211][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6168.607211][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.607211][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.607211][ T903] netlink_unicast+0x449/0x710 [ 6168.607211][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.607211][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.607211][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.607211][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.607211][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.607211][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6168.607211][ T903] [ 6168.608904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6168.608904][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6168.608904][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6168.608904][ T903] ipv6_find_idev+0x102/0x170 [ 6168.608904][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6168.608904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6168.608904][ T903] netlink_rcv_skb+0x130/0x360 [ 6168.608904][ T903] netlink_unicast+0x449/0x710 [ 6168.608904][ T903] netlink_sendmsg+0x723/0xbe0 [ 6168.608904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6168.608904][ T903] ___sys_sendmsg+0xee/0x170 [ 6168.608904][ T903] __sys_sendmsg+0xcd/0x170 [ 6168.608904][ T903] do_syscall_64+0xc6/0x1e0 [ 6168.608904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6168.608904][ T903] [ 6178.837936][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6178.838487][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6178.838487][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6178.838487][ T903] ip6_validate_gw+0x3eb/0x790 [ 6178.838487][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6178.838487][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6178.838487][ T903] ip6_route_add+0x1c/0x140 [ 6178.838487][ T903] inet6_rtm_newroute+0x104/0x110 [ 6178.838487][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.838487][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.838487][ T903] netlink_unicast+0x449/0x710 [ 6178.838487][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.838487][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.838487][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.838487][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.838487][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.838487][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.838487][ T903] [ 6178.840599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6178.840599][ T903] netdev_get_by_index+0x5e/0x80 [ 6178.840599][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6178.840599][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6178.840599][ T903] ip6_route_add+0x1c/0x140 [ 6178.840599][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6178.840599][ T903] inet6_addr_add+0x4f8/0xa40 [ 6178.840599][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.840599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.840599][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.840599][ T903] netlink_unicast+0x449/0x710 [ 6178.840599][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.840599][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.840599][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.840599][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.840599][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.840599][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.840599][ T903] [ 6178.842895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6178.842895][ T903] netdev_get_by_index+0x5e/0x80 [ 6178.842895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6178.842895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6178.842895][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6178.842895][ T903] ipv6_add_addr+0x411/0x2000 [ 6178.842895][ T903] inet6_addr_add+0x30e/0xa40 [ 6178.842895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.842895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.842895][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.842895][ T903] netlink_unicast+0x449/0x710 [ 6178.842895][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.842895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.842895][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.842895][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.842895][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.842895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.842895][ T903] [ 6178.845107][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6178.845107][ T903] netdev_get_by_index+0x5e/0x80 [ 6178.845107][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6178.845107][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6178.845107][ T903] ip6_route_add+0x1c/0x140 [ 6178.845107][ T903] addrconf_add_mroute+0x129/0x180 [ 6178.845107][ T903] addrconf_add_dev+0xe2/0x170 [ 6178.845107][ T903] inet6_addr_add+0x12f/0xa40 [ 6178.845107][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6178.845107][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.845107][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.845107][ T903] netlink_unicast+0x449/0x710 [ 6178.845107][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.845107][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.845107][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.845107][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.845107][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.845107][ T903] [ 6178.847286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6178.847286][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6178.847286][ T903] ipv6_find_idev+0x102/0x170 [ 6178.847286][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6178.847286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.847286][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.847286][ T903] netlink_unicast+0x449/0x710 [ 6178.847286][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.847286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.847286][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.847286][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.847286][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.847286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.847286][ T903] [ 6178.848977][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6178.848977][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6178.848977][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6178.848977][ T903] ipv6_find_idev+0x102/0x170 [ 6178.848977][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6178.848977][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6178.848977][ T903] netlink_rcv_skb+0x130/0x360 [ 6178.848977][ T903] netlink_unicast+0x449/0x710 [ 6178.848977][ T903] netlink_sendmsg+0x723/0xbe0 [ 6178.848977][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6178.848977][ T903] ___sys_sendmsg+0xee/0x170 [ 6178.848977][ T903] __sys_sendmsg+0xcd/0x170 [ 6178.848977][ T903] do_syscall_64+0xc6/0x1e0 [ 6178.848977][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6178.848977][ T903] [ 6189.101873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6189.102665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6189.102665][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6189.102665][ T903] ip6_validate_gw+0x3eb/0x790 [ 6189.102665][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6189.102665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6189.102665][ T903] ip6_route_add+0x1c/0x140 [ 6189.102665][ T903] inet6_rtm_newroute+0x104/0x110 [ 6189.102665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.102665][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.102665][ T903] netlink_unicast+0x449/0x710 [ 6189.102665][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.102665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.102665][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.102665][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.102665][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.102665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6189.102665][ T903] [ 6189.104784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6189.104784][ T903] netdev_get_by_index+0x5e/0x80 [ 6189.104784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6189.104784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6189.104784][ T903] ip6_route_add+0x1c/0x140 [ 6189.104784][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6189.104784][ T903] inet6_addr_add+0x4f8/0xa40 [ 6189.104784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6189.104784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.104784][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.104784][ T903] netlink_unicast+0x449/0x710 [ 6189.104784][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.104784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.104784][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.104784][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.104784][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.104784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6189.104784][ T903] [ 6189.106986][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6189.106986][ T903] netdev_get_by_index+0x5e/0x80 [ 6189.106986][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6189.106986][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6189.106986][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6189.106986][ T903] ipv6_add_addr+0x411/0x2000 [ 6189.106986][ T903] inet6_addr_add+0x30e/0xa40 [ 6189.106986][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6189.106986][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.106986][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.106986][ T903] netlink_unicast+0x449/0x710 [ 6189.106986][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.106986][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.106986][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.106986][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.106986][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.106986][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6189.106986][ T903] [ 6189.109181][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6189.109181][ T903] netdev_get_by_index+0x5e/0x80 [ 6189.109181][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6189.109181][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6189.109181][ T903] ip6_route_add+0x1c/0x140 [ 6189.109181][ T903] addrconf_add_mroute+0x129/0x180 [ 6189.109181][ T903] addrconf_add_dev+0xe2/0x170 [ 6189.109181][ T903] inet6_addr_add+0x12f/0xa40 [ 6189.109181][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6189.109181][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.109181][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.109181][ T903] netlink_unicast+0x449/0x710 [ 6189.109181][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.109181][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.109181][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.109181][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.109181][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.109181][ T903] [ 6189.111343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6189.111343][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6189.111343][ T903] ipv6_find_idev+0x102/0x170 [ 6189.111343][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6189.111343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.111343][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.111343][ T903] netlink_unicast+0x449/0x710 [ 6189.111343][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.111343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.111343][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.111343][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.111343][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.111343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6189.111343][ T903] [ 6189.113554][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6189.113554][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6189.113554][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6189.113554][ T903] ipv6_find_idev+0x102/0x170 [ 6189.113554][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6189.113554][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6189.113554][ T903] netlink_rcv_skb+0x130/0x360 [ 6189.113554][ T903] netlink_unicast+0x449/0x710 [ 6189.113554][ T903] netlink_sendmsg+0x723/0xbe0 [ 6189.113554][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6189.113554][ T903] ___sys_sendmsg+0xee/0x170 [ 6189.113554][ T903] __sys_sendmsg+0xcd/0x170 [ 6189.113554][ T903] do_syscall_64+0xc6/0x1e0 [ 6189.113554][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6189.113554][ T903] [ 6199.365844][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6199.366370][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6199.366370][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6199.366370][ T903] ip6_validate_gw+0x3eb/0x790 [ 6199.366370][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6199.366370][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6199.366370][ T903] ip6_route_add+0x1c/0x140 [ 6199.366370][ T903] inet6_rtm_newroute+0x104/0x110 [ 6199.366370][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.366370][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.366370][ T903] netlink_unicast+0x449/0x710 [ 6199.366370][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.366370][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.366370][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.366370][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.366370][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.366370][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6199.366370][ T903] [ 6199.368502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6199.368502][ T903] netdev_get_by_index+0x5e/0x80 [ 6199.368502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6199.368502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6199.368502][ T903] ip6_route_add+0x1c/0x140 [ 6199.368502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6199.368502][ T903] inet6_addr_add+0x4f8/0xa40 [ 6199.368502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6199.368502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.368502][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.368502][ T903] netlink_unicast+0x449/0x710 [ 6199.368502][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.368502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.368502][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.368502][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.368502][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.368502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6199.368502][ T903] [ 6199.370729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6199.370729][ T903] netdev_get_by_index+0x5e/0x80 [ 6199.370729][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6199.370729][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6199.370729][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6199.370729][ T903] ipv6_add_addr+0x411/0x2000 [ 6199.370729][ T903] inet6_addr_add+0x30e/0xa40 [ 6199.370729][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6199.370729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.370729][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.370729][ T903] netlink_unicast+0x449/0x710 [ 6199.370729][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.370729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.370729][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.370729][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.370729][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.370729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6199.370729][ T903] [ 6199.372952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6199.372952][ T903] netdev_get_by_index+0x5e/0x80 [ 6199.372952][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6199.372952][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6199.372952][ T903] ip6_route_add+0x1c/0x140 [ 6199.372952][ T903] addrconf_add_mroute+0x129/0x180 [ 6199.372952][ T903] addrconf_add_dev+0xe2/0x170 [ 6199.372952][ T903] inet6_addr_add+0x12f/0xa40 [ 6199.372952][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6199.372952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.372952][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.372952][ T903] netlink_unicast+0x449/0x710 [ 6199.372952][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.372952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.372952][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.372952][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.372952][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.372952][ T903] [ 6199.375154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6199.375154][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6199.375154][ T903] ipv6_find_idev+0x102/0x170 [ 6199.375154][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6199.375154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.375154][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.375154][ T903] netlink_unicast+0x449/0x710 [ 6199.375154][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.375154][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.375154][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.375154][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.375154][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.375154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6199.375154][ T903] [ 6199.376864][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6199.376864][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6199.376864][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6199.376864][ T903] ipv6_find_idev+0x102/0x170 [ 6199.376864][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6199.376864][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6199.376864][ T903] netlink_rcv_skb+0x130/0x360 [ 6199.376864][ T903] netlink_unicast+0x449/0x710 [ 6199.376864][ T903] netlink_sendmsg+0x723/0xbe0 [ 6199.376864][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6199.376864][ T903] ___sys_sendmsg+0xee/0x170 [ 6199.376864][ T903] __sys_sendmsg+0xcd/0x170 [ 6199.376864][ T903] do_syscall_64+0xc6/0x1e0 [ 6199.376864][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6199.376864][ T903] [ 6209.437814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6209.438369][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6209.438369][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6209.438369][ T903] ip6_validate_gw+0x3eb/0x790 [ 6209.438369][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6209.438369][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6209.438369][ T903] ip6_route_add+0x1c/0x140 [ 6209.438369][ T903] inet6_rtm_newroute+0x104/0x110 [ 6209.438369][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.438369][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.438369][ T903] netlink_unicast+0x449/0x710 [ 6209.438369][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.438369][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.438369][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.438369][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.438369][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.438369][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6209.438369][ T903] [ 6209.440517][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6209.440517][ T903] netdev_get_by_index+0x5e/0x80 [ 6209.440517][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6209.440517][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6209.440517][ T903] ip6_route_add+0x1c/0x140 [ 6209.440517][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6209.440517][ T903] inet6_addr_add+0x4f8/0xa40 [ 6209.440517][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6209.440517][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.440517][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.440517][ T903] netlink_unicast+0x449/0x710 [ 6209.440517][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.440517][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.440517][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.440517][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.440517][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.440517][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6209.440517][ T903] [ 6209.442733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6209.442733][ T903] netdev_get_by_index+0x5e/0x80 [ 6209.442733][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6209.442733][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6209.442733][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6209.442733][ T903] ipv6_add_addr+0x411/0x2000 [ 6209.442733][ T903] inet6_addr_add+0x30e/0xa40 [ 6209.442733][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6209.442733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.442733][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.442733][ T903] netlink_unicast+0x449/0x710 [ 6209.442733][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.442733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.442733][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.442733][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.442733][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.442733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6209.442733][ T903] [ 6209.444975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6209.444975][ T903] netdev_get_by_index+0x5e/0x80 [ 6209.444975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6209.444975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6209.444975][ T903] ip6_route_add+0x1c/0x140 [ 6209.444975][ T903] addrconf_add_mroute+0x129/0x180 [ 6209.444975][ T903] addrconf_add_dev+0xe2/0x170 [ 6209.444975][ T903] inet6_addr_add+0x12f/0xa40 [ 6209.444975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6209.444975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.444975][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.444975][ T903] netlink_unicast+0x449/0x710 [ 6209.444975][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.444975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.444975][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.444975][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.444975][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.444975][ T903] [ 6209.474789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6209.474789][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6209.474789][ T903] ipv6_find_idev+0x102/0x170 [ 6209.474789][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6209.474789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.474789][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.474789][ T903] netlink_unicast+0x449/0x710 [ 6209.474789][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.474789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.474789][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.474789][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.474789][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.474789][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6209.474789][ T903] [ 6209.476493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6209.476493][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6209.476493][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6209.476493][ T903] ipv6_find_idev+0x102/0x170 [ 6209.476493][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6209.476493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6209.476493][ T903] netlink_rcv_skb+0x130/0x360 [ 6209.476493][ T903] netlink_unicast+0x449/0x710 [ 6209.476493][ T903] netlink_sendmsg+0x723/0xbe0 [ 6209.476493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6209.476493][ T903] ___sys_sendmsg+0xee/0x170 [ 6209.476493][ T903] __sys_sendmsg+0xcd/0x170 [ 6209.476493][ T903] do_syscall_64+0xc6/0x1e0 [ 6209.476493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6209.476493][ T903] [ 6219.717826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6219.718363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6219.718363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6219.718363][ T903] ip6_validate_gw+0x3eb/0x790 [ 6219.718363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6219.718363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6219.718363][ T903] ip6_route_add+0x1c/0x140 [ 6219.718363][ T903] inet6_rtm_newroute+0x104/0x110 [ 6219.718363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.718363][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.718363][ T903] netlink_unicast+0x449/0x710 [ 6219.718363][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.718363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.718363][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.718363][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.718363][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.718363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6219.718363][ T903] [ 6219.720489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6219.720489][ T903] netdev_get_by_index+0x5e/0x80 [ 6219.720489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6219.720489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6219.720489][ T903] ip6_route_add+0x1c/0x140 [ 6219.720489][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6219.720489][ T903] inet6_addr_add+0x4f8/0xa40 [ 6219.720489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6219.720489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.720489][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.720489][ T903] netlink_unicast+0x449/0x710 [ 6219.720489][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.720489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.720489][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.720489][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.720489][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.720489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6219.720489][ T903] [ 6219.722719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6219.722719][ T903] netdev_get_by_index+0x5e/0x80 [ 6219.722719][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6219.722719][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6219.722719][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6219.722719][ T903] ipv6_add_addr+0x411/0x2000 [ 6219.722719][ T903] inet6_addr_add+0x30e/0xa40 [ 6219.722719][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6219.722719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.722719][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.722719][ T903] netlink_unicast+0x449/0x710 [ 6219.722719][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.722719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.722719][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.722719][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.722719][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.722719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6219.722719][ T903] [ 6219.724963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6219.724963][ T903] netdev_get_by_index+0x5e/0x80 [ 6219.724963][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6219.724963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6219.724963][ T903] ip6_route_add+0x1c/0x140 [ 6219.724963][ T903] addrconf_add_mroute+0x129/0x180 [ 6219.724963][ T903] addrconf_add_dev+0xe2/0x170 [ 6219.724963][ T903] inet6_addr_add+0x12f/0xa40 [ 6219.724963][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6219.724963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.724963][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.724963][ T903] netlink_unicast+0x449/0x710 [ 6219.724963][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.724963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.724963][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.724963][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.724963][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.724963][ T903] [ 6219.727145][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6219.727145][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6219.727145][ T903] ipv6_find_idev+0x102/0x170 [ 6219.727145][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6219.727145][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.727145][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.727145][ T903] netlink_unicast+0x449/0x710 [ 6219.727145][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.727145][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.727145][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.727145][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.727145][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.727145][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6219.727145][ T903] [ 6219.728855][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6219.728855][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6219.728855][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6219.728855][ T903] ipv6_find_idev+0x102/0x170 [ 6219.728855][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6219.728855][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6219.728855][ T903] netlink_rcv_skb+0x130/0x360 [ 6219.728855][ T903] netlink_unicast+0x449/0x710 [ 6219.728855][ T903] netlink_sendmsg+0x723/0xbe0 [ 6219.728855][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6219.728855][ T903] ___sys_sendmsg+0xee/0x170 [ 6219.728855][ T903] __sys_sendmsg+0xcd/0x170 [ 6219.728855][ T903] do_syscall_64+0xc6/0x1e0 [ 6219.728855][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6219.728855][ T903] [ 6229.973885][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6229.974663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6229.974663][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6229.974663][ T903] ip6_validate_gw+0x3eb/0x790 [ 6229.974663][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6229.974663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6229.974663][ T903] ip6_route_add+0x1c/0x140 [ 6229.974663][ T903] inet6_rtm_newroute+0x104/0x110 [ 6229.974663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.974663][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.974663][ T903] netlink_unicast+0x449/0x710 [ 6229.974663][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.974663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.974663][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.974663][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.974663][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.974663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.974663][ T903] [ 6229.976767][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6229.976767][ T903] netdev_get_by_index+0x5e/0x80 [ 6229.976767][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6229.976767][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6229.976767][ T903] ip6_route_add+0x1c/0x140 [ 6229.976767][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6229.976767][ T903] inet6_addr_add+0x4f8/0xa40 [ 6229.976767][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.976767][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.976767][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.976767][ T903] netlink_unicast+0x449/0x710 [ 6229.976767][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.976767][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.976767][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.976767][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.976767][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.976767][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.976767][ T903] [ 6229.978997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6229.978997][ T903] netdev_get_by_index+0x5e/0x80 [ 6229.978997][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6229.978997][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6229.978997][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6229.978997][ T903] ipv6_add_addr+0x411/0x2000 [ 6229.978997][ T903] inet6_addr_add+0x30e/0xa40 [ 6229.978997][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.978997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.978997][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.978997][ T903] netlink_unicast+0x449/0x710 [ 6229.978997][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.978997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.978997][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.978997][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.978997][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.978997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.978997][ T903] [ 6229.981188][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6229.981188][ T903] netdev_get_by_index+0x5e/0x80 [ 6229.981188][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6229.981188][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6229.981188][ T903] ip6_route_add+0x1c/0x140 [ 6229.981188][ T903] addrconf_add_mroute+0x129/0x180 [ 6229.981188][ T903] addrconf_add_dev+0xe2/0x170 [ 6229.981188][ T903] inet6_addr_add+0x12f/0xa40 [ 6229.981188][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6229.981188][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.981188][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.981188][ T903] netlink_unicast+0x449/0x710 [ 6229.981188][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.981188][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.981188][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.981188][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.981188][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.981188][ T903] [ 6229.983353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6229.983353][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6229.983353][ T903] ipv6_find_idev+0x102/0x170 [ 6229.983353][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6229.983353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.983353][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.983353][ T903] netlink_unicast+0x449/0x710 [ 6229.983353][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.983353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.983353][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.983353][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.983353][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.983353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.983353][ T903] [ 6229.985071][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6229.985071][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6229.985071][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6229.985071][ T903] ipv6_find_idev+0x102/0x170 [ 6229.985071][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6229.985071][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6229.985071][ T903] netlink_rcv_skb+0x130/0x360 [ 6229.985071][ T903] netlink_unicast+0x449/0x710 [ 6229.985071][ T903] netlink_sendmsg+0x723/0xbe0 [ 6229.985071][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6229.985071][ T903] ___sys_sendmsg+0xee/0x170 [ 6229.985071][ T903] __sys_sendmsg+0xcd/0x170 [ 6229.985071][ T903] do_syscall_64+0xc6/0x1e0 [ 6229.985071][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6229.985071][ T903] [ 6240.197866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6240.198768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6240.198768][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6240.198768][ T903] ip6_validate_gw+0x3eb/0x790 [ 6240.198768][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6240.198768][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6240.198768][ T903] ip6_route_add+0x1c/0x140 [ 6240.198768][ T903] inet6_rtm_newroute+0x104/0x110 [ 6240.198768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.198768][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.198768][ T903] netlink_unicast+0x449/0x710 [ 6240.198768][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.198768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.198768][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.198768][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.198768][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.198768][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6240.198768][ T903] [ 6240.200865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6240.200865][ T903] netdev_get_by_index+0x5e/0x80 [ 6240.200865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6240.200865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6240.200865][ T903] ip6_route_add+0x1c/0x140 [ 6240.200865][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6240.200865][ T903] inet6_addr_add+0x4f8/0xa40 [ 6240.200865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6240.200865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.200865][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.200865][ T903] netlink_unicast+0x449/0x710 [ 6240.200865][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.200865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.200865][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.200865][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.200865][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.200865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6240.200865][ T903] [ 6240.203067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6240.203067][ T903] netdev_get_by_index+0x5e/0x80 [ 6240.203067][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6240.203067][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6240.203067][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6240.203067][ T903] ipv6_add_addr+0x411/0x2000 [ 6240.203067][ T903] inet6_addr_add+0x30e/0xa40 [ 6240.203067][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6240.203067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.203067][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.203067][ T903] netlink_unicast+0x449/0x710 [ 6240.203067][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.203067][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.203067][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.203067][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.203067][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.203067][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6240.203067][ T903] [ 6240.205270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6240.205270][ T903] netdev_get_by_index+0x5e/0x80 [ 6240.205270][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6240.205270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6240.205270][ T903] ip6_route_add+0x1c/0x140 [ 6240.205270][ T903] addrconf_add_mroute+0x129/0x180 [ 6240.205270][ T903] addrconf_add_dev+0xe2/0x170 [ 6240.205270][ T903] inet6_addr_add+0x12f/0xa40 [ 6240.205270][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6240.205270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.205270][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.205270][ T903] netlink_unicast+0x449/0x710 [ 6240.205270][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.205270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.205270][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.205270][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.205270][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.205270][ T903] [ 6240.207431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6240.207431][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6240.207431][ T903] ipv6_find_idev+0x102/0x170 [ 6240.207431][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6240.207431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.207431][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.207431][ T903] netlink_unicast+0x449/0x710 [ 6240.207431][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.207431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.207431][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.207431][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.207431][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.207431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6240.207431][ T903] [ 6240.209627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6240.209627][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6240.209627][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6240.209627][ T903] ipv6_find_idev+0x102/0x170 [ 6240.209627][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6240.209627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6240.209627][ T903] netlink_rcv_skb+0x130/0x360 [ 6240.209627][ T903] netlink_unicast+0x449/0x710 [ 6240.209627][ T903] netlink_sendmsg+0x723/0xbe0 [ 6240.209627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6240.209627][ T903] ___sys_sendmsg+0xee/0x170 [ 6240.209627][ T903] __sys_sendmsg+0xcd/0x170 [ 6240.209627][ T903] do_syscall_64+0xc6/0x1e0 [ 6240.209627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6240.209627][ T903] [ 6250.453885][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6250.454389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6250.454389][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6250.454389][ T903] ip6_validate_gw+0x3eb/0x790 [ 6250.454389][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6250.454389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6250.454389][ T903] ip6_route_add+0x1c/0x140 [ 6250.454389][ T903] inet6_rtm_newroute+0x104/0x110 [ 6250.454389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.454389][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.454389][ T903] netlink_unicast+0x449/0x710 [ 6250.454389][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.454389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.454389][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.454389][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.454389][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.454389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6250.454389][ T903] [ 6250.456505][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6250.456505][ T903] netdev_get_by_index+0x5e/0x80 [ 6250.456505][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6250.456505][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6250.456505][ T903] ip6_route_add+0x1c/0x140 [ 6250.456505][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6250.456505][ T903] inet6_addr_add+0x4f8/0xa40 [ 6250.456505][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6250.456505][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.456505][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.456505][ T903] netlink_unicast+0x449/0x710 [ 6250.456505][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.456505][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.456505][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.456505][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.456505][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.456505][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6250.456505][ T903] [ 6250.458721][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6250.458721][ T903] netdev_get_by_index+0x5e/0x80 [ 6250.458721][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6250.458721][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6250.458721][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6250.458721][ T903] ipv6_add_addr+0x411/0x2000 [ 6250.458721][ T903] inet6_addr_add+0x30e/0xa40 [ 6250.458721][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6250.458721][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.458721][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.458721][ T903] netlink_unicast+0x449/0x710 [ 6250.458721][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.458721][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.458721][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.458721][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.458721][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.458721][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6250.458721][ T903] [ 6250.460920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6250.460920][ T903] netdev_get_by_index+0x5e/0x80 [ 6250.460920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6250.460920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6250.460920][ T903] ip6_route_add+0x1c/0x140 [ 6250.460920][ T903] addrconf_add_mroute+0x129/0x180 [ 6250.460920][ T903] addrconf_add_dev+0xe2/0x170 [ 6250.460920][ T903] inet6_addr_add+0x12f/0xa40 [ 6250.460920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6250.460920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.460920][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.460920][ T903] netlink_unicast+0x449/0x710 [ 6250.460920][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.460920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.460920][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.460920][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.460920][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.460920][ T903] [ 6250.463092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6250.463092][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6250.463092][ T903] ipv6_find_idev+0x102/0x170 [ 6250.463092][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6250.463092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.463092][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.463092][ T903] netlink_unicast+0x449/0x710 [ 6250.463092][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.463092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.463092][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.463092][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.463092][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.463092][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6250.463092][ T903] [ 6250.464808][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6250.464808][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6250.464808][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6250.464808][ T903] ipv6_find_idev+0x102/0x170 [ 6250.464808][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6250.464808][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6250.464808][ T903] netlink_rcv_skb+0x130/0x360 [ 6250.464808][ T903] netlink_unicast+0x449/0x710 [ 6250.464808][ T903] netlink_sendmsg+0x723/0xbe0 [ 6250.464808][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6250.464808][ T903] ___sys_sendmsg+0xee/0x170 [ 6250.464808][ T903] __sys_sendmsg+0xcd/0x170 [ 6250.464808][ T903] do_syscall_64+0xc6/0x1e0 [ 6250.464808][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6250.464808][ T903] [ 6260.477857][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6260.478375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6260.478375][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6260.478375][ T903] ip6_validate_gw+0x3eb/0x790 [ 6260.478375][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6260.478375][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6260.478375][ T903] ip6_route_add+0x1c/0x140 [ 6260.478375][ T903] inet6_rtm_newroute+0x104/0x110 [ 6260.478375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.478375][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.478375][ T903] netlink_unicast+0x449/0x710 [ 6260.478375][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.478375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.478375][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.478375][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.478375][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.478375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6260.478375][ T903] [ 6260.480549][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6260.480549][ T903] netdev_get_by_index+0x5e/0x80 [ 6260.480549][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6260.480549][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6260.480549][ T903] ip6_route_add+0x1c/0x140 [ 6260.480549][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6260.480549][ T903] inet6_addr_add+0x4f8/0xa40 [ 6260.480549][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6260.480549][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.480549][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.480549][ T903] netlink_unicast+0x449/0x710 [ 6260.480549][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.480549][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.480549][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.480549][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.480549][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.480549][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6260.480549][ T903] [ 6260.482752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6260.482752][ T903] netdev_get_by_index+0x5e/0x80 [ 6260.482752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6260.482752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6260.482752][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6260.482752][ T903] ipv6_add_addr+0x411/0x2000 [ 6260.482752][ T903] inet6_addr_add+0x30e/0xa40 [ 6260.482752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6260.482752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.482752][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.482752][ T903] netlink_unicast+0x449/0x710 [ 6260.482752][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.482752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.482752][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.482752][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.482752][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.482752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6260.482752][ T903] [ 6260.484968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6260.484968][ T903] netdev_get_by_index+0x5e/0x80 [ 6260.484968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6260.484968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6260.484968][ T903] ip6_route_add+0x1c/0x140 [ 6260.484968][ T903] addrconf_add_mroute+0x129/0x180 [ 6260.484968][ T903] addrconf_add_dev+0xe2/0x170 [ 6260.484968][ T903] inet6_addr_add+0x12f/0xa40 [ 6260.484968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6260.484968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.484968][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.484968][ T903] netlink_unicast+0x449/0x710 [ 6260.484968][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.484968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.484968][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.484968][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.484968][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.484968][ T903] [ 6260.487129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6260.487129][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6260.487129][ T903] ipv6_find_idev+0x102/0x170 [ 6260.487129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6260.487129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.487129][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.487129][ T903] netlink_unicast+0x449/0x710 [ 6260.487129][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.487129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.487129][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.487129][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.487129][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.487129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6260.487129][ T903] [ 6260.488823][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6260.488823][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6260.488823][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6260.488823][ T903] ipv6_find_idev+0x102/0x170 [ 6260.488823][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6260.488823][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6260.488823][ T903] netlink_rcv_skb+0x130/0x360 [ 6260.488823][ T903] netlink_unicast+0x449/0x710 [ 6260.488823][ T903] netlink_sendmsg+0x723/0xbe0 [ 6260.488823][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6260.488823][ T903] ___sys_sendmsg+0xee/0x170 [ 6260.488823][ T903] __sys_sendmsg+0xcd/0x170 [ 6260.488823][ T903] do_syscall_64+0xc6/0x1e0 [ 6260.488823][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6260.488823][ T903] [ 6270.741829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6270.742356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6270.742356][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6270.742356][ T903] ip6_validate_gw+0x3eb/0x790 [ 6270.742356][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6270.742356][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6270.742356][ T903] ip6_route_add+0x1c/0x140 [ 6270.742356][ T903] inet6_rtm_newroute+0x104/0x110 [ 6270.742356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.742356][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.742356][ T903] netlink_unicast+0x449/0x710 [ 6270.742356][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.742356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.742356][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.742356][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.742356][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.742356][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6270.742356][ T903] [ 6270.744461][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6270.744461][ T903] netdev_get_by_index+0x5e/0x80 [ 6270.744461][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6270.744461][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6270.744461][ T903] ip6_route_add+0x1c/0x140 [ 6270.744461][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6270.744461][ T903] inet6_addr_add+0x4f8/0xa40 [ 6270.744461][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6270.744461][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.744461][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.744461][ T903] netlink_unicast+0x449/0x710 [ 6270.744461][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.744461][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.744461][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.744461][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.744461][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.744461][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6270.744461][ T903] [ 6270.746647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6270.746647][ T903] netdev_get_by_index+0x5e/0x80 [ 6270.746647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6270.746647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6270.746647][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6270.746647][ T903] ipv6_add_addr+0x411/0x2000 [ 6270.746647][ T903] inet6_addr_add+0x30e/0xa40 [ 6270.746647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6270.746647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.746647][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.746647][ T903] netlink_unicast+0x449/0x710 [ 6270.746647][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.746647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.746647][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.746647][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.746647][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.746647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6270.746647][ T903] [ 6270.748840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6270.748840][ T903] netdev_get_by_index+0x5e/0x80 [ 6270.748840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6270.748840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6270.748840][ T903] ip6_route_add+0x1c/0x140 [ 6270.748840][ T903] addrconf_add_mroute+0x129/0x180 [ 6270.748840][ T903] addrconf_add_dev+0xe2/0x170 [ 6270.748840][ T903] inet6_addr_add+0x12f/0xa40 [ 6270.748840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6270.748840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.748840][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.748840][ T903] netlink_unicast+0x449/0x710 [ 6270.748840][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.748840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.748840][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.748840][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.748840][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.748840][ T903] [ 6270.751009][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6270.751009][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6270.751009][ T903] ipv6_find_idev+0x102/0x170 [ 6270.751009][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6270.751009][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.751009][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.751009][ T903] netlink_unicast+0x449/0x710 [ 6270.751009][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.751009][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.751009][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.751009][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.751009][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.751009][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6270.751009][ T903] [ 6270.752698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6270.752698][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6270.752698][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6270.752698][ T903] ipv6_find_idev+0x102/0x170 [ 6270.752698][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6270.752698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6270.752698][ T903] netlink_rcv_skb+0x130/0x360 [ 6270.752698][ T903] netlink_unicast+0x449/0x710 [ 6270.752698][ T903] netlink_sendmsg+0x723/0xbe0 [ 6270.752698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6270.752698][ T903] ___sys_sendmsg+0xee/0x170 [ 6270.752698][ T903] __sys_sendmsg+0xcd/0x170 [ 6270.752698][ T903] do_syscall_64+0xc6/0x1e0 [ 6270.752698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6270.752698][ T903] [ 6280.757959][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6280.758704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6280.758704][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6280.758704][ T903] ip6_validate_gw+0x3eb/0x790 [ 6280.758704][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6280.758704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6280.758704][ T903] ip6_route_add+0x1c/0x140 [ 6280.758704][ T903] inet6_rtm_newroute+0x104/0x110 [ 6280.758704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.758704][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.758704][ T903] netlink_unicast+0x449/0x710 [ 6280.758704][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.758704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.758704][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.758704][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.758704][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.758704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.758704][ T903] [ 6280.760810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6280.760810][ T903] netdev_get_by_index+0x5e/0x80 [ 6280.760810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6280.760810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6280.760810][ T903] ip6_route_add+0x1c/0x140 [ 6280.760810][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6280.760810][ T903] inet6_addr_add+0x4f8/0xa40 [ 6280.760810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.760810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.760810][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.760810][ T903] netlink_unicast+0x449/0x710 [ 6280.760810][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.760810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.760810][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.760810][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.760810][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.760810][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.760810][ T903] [ 6280.763012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6280.763012][ T903] netdev_get_by_index+0x5e/0x80 [ 6280.763012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6280.763012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6280.763012][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6280.763012][ T903] ipv6_add_addr+0x411/0x2000 [ 6280.763012][ T903] inet6_addr_add+0x30e/0xa40 [ 6280.763012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.763012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.763012][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.763012][ T903] netlink_unicast+0x449/0x710 [ 6280.763012][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.763012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.763012][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.763012][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.763012][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.763012][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.763012][ T903] [ 6280.765231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6280.765231][ T903] netdev_get_by_index+0x5e/0x80 [ 6280.765231][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6280.765231][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6280.765231][ T903] ip6_route_add+0x1c/0x140 [ 6280.765231][ T903] addrconf_add_mroute+0x129/0x180 [ 6280.765231][ T903] addrconf_add_dev+0xe2/0x170 [ 6280.765231][ T903] inet6_addr_add+0x12f/0xa40 [ 6280.765231][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6280.765231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.765231][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.765231][ T903] netlink_unicast+0x449/0x710 [ 6280.765231][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.765231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.765231][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.765231][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.765231][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.765231][ T903] [ 6280.767408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6280.767408][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6280.767408][ T903] ipv6_find_idev+0x102/0x170 [ 6280.767408][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6280.767408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.767408][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.767408][ T903] netlink_unicast+0x449/0x710 [ 6280.767408][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.767408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.767408][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.767408][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.767408][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.767408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.767408][ T903] [ 6280.769106][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6280.769106][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6280.769106][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6280.769106][ T903] ipv6_find_idev+0x102/0x170 [ 6280.769106][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6280.769106][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6280.769106][ T903] netlink_rcv_skb+0x130/0x360 [ 6280.769106][ T903] netlink_unicast+0x449/0x710 [ 6280.769106][ T903] netlink_sendmsg+0x723/0xbe0 [ 6280.769106][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6280.769106][ T903] ___sys_sendmsg+0xee/0x170 [ 6280.769106][ T903] __sys_sendmsg+0xcd/0x170 [ 6280.769106][ T903] do_syscall_64+0xc6/0x1e0 [ 6280.769106][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6280.769106][ T903] [ 6291.013960][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6291.014528][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6291.014528][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6291.014528][ T903] ip6_validate_gw+0x3eb/0x790 [ 6291.014528][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6291.014528][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6291.014528][ T903] ip6_route_add+0x1c/0x140 [ 6291.014528][ T903] inet6_rtm_newroute+0x104/0x110 [ 6291.014528][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.014528][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.014528][ T903] netlink_unicast+0x449/0x710 [ 6291.014528][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.014528][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.014528][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.014528][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.014528][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.014528][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6291.014528][ T903] [ 6291.016632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6291.016632][ T903] netdev_get_by_index+0x5e/0x80 [ 6291.016632][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6291.016632][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6291.016632][ T903] ip6_route_add+0x1c/0x140 [ 6291.016632][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6291.016632][ T903] inet6_addr_add+0x4f8/0xa40 [ 6291.016632][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6291.016632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.016632][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.016632][ T903] netlink_unicast+0x449/0x710 [ 6291.016632][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.016632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.016632][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.016632][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.016632][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.016632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6291.016632][ T903] [ 6291.018832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6291.018832][ T903] netdev_get_by_index+0x5e/0x80 [ 6291.018832][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6291.018832][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6291.018832][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6291.018832][ T903] ipv6_add_addr+0x411/0x2000 [ 6291.018832][ T903] inet6_addr_add+0x30e/0xa40 [ 6291.018832][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6291.018832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.018832][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.018832][ T903] netlink_unicast+0x449/0x710 [ 6291.018832][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.018832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.018832][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.018832][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.018832][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.018832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6291.018832][ T903] [ 6291.021036][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6291.021036][ T903] netdev_get_by_index+0x5e/0x80 [ 6291.021036][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6291.021036][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6291.021036][ T903] ip6_route_add+0x1c/0x140 [ 6291.021036][ T903] addrconf_add_mroute+0x129/0x180 [ 6291.021036][ T903] addrconf_add_dev+0xe2/0x170 [ 6291.021036][ T903] inet6_addr_add+0x12f/0xa40 [ 6291.021036][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6291.021036][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.021036][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.021036][ T903] netlink_unicast+0x449/0x710 [ 6291.021036][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.021036][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.021036][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.021036][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.021036][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.021036][ T903] [ 6291.023210][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6291.023210][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6291.023210][ T903] ipv6_find_idev+0x102/0x170 [ 6291.023210][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6291.023210][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.023210][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.023210][ T903] netlink_unicast+0x449/0x710 [ 6291.023210][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.023210][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.023210][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.023210][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.023210][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.023210][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6291.023210][ T903] [ 6291.024905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6291.024905][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6291.024905][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6291.024905][ T903] ipv6_find_idev+0x102/0x170 [ 6291.024905][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6291.024905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6291.024905][ T903] netlink_rcv_skb+0x130/0x360 [ 6291.024905][ T903] netlink_unicast+0x449/0x710 [ 6291.024905][ T903] netlink_sendmsg+0x723/0xbe0 [ 6291.024905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6291.024905][ T903] ___sys_sendmsg+0xee/0x170 [ 6291.024905][ T903] __sys_sendmsg+0xcd/0x170 [ 6291.024905][ T903] do_syscall_64+0xc6/0x1e0 [ 6291.024905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6291.024905][ T903] [ 6301.269835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6301.270372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6301.270372][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6301.270372][ T903] ip6_validate_gw+0x3eb/0x790 [ 6301.270372][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6301.270372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6301.270372][ T903] ip6_route_add+0x1c/0x140 [ 6301.270372][ T903] inet6_rtm_newroute+0x104/0x110 [ 6301.270372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.270372][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.270372][ T903] netlink_unicast+0x449/0x710 [ 6301.270372][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.270372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.270372][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.270372][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.270372][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.270372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6301.270372][ T903] [ 6301.272507][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6301.272507][ T903] netdev_get_by_index+0x5e/0x80 [ 6301.272507][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6301.272507][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6301.272507][ T903] ip6_route_add+0x1c/0x140 [ 6301.272507][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6301.272507][ T903] inet6_addr_add+0x4f8/0xa40 [ 6301.272507][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6301.272507][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.272507][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.272507][ T903] netlink_unicast+0x449/0x710 [ 6301.272507][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.272507][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.272507][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.272507][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.272507][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.272507][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6301.272507][ T903] [ 6301.274741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6301.274741][ T903] netdev_get_by_index+0x5e/0x80 [ 6301.274741][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6301.274741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6301.274741][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6301.274741][ T903] ipv6_add_addr+0x411/0x2000 [ 6301.274741][ T903] inet6_addr_add+0x30e/0xa40 [ 6301.274741][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6301.274741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.274741][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.274741][ T903] netlink_unicast+0x449/0x710 [ 6301.274741][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.274741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.274741][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.274741][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.274741][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.274741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6301.274741][ T903] [ 6301.276956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6301.276956][ T903] netdev_get_by_index+0x5e/0x80 [ 6301.276956][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6301.276956][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6301.276956][ T903] ip6_route_add+0x1c/0x140 [ 6301.276956][ T903] addrconf_add_mroute+0x129/0x180 [ 6301.276956][ T903] addrconf_add_dev+0xe2/0x170 [ 6301.276956][ T903] inet6_addr_add+0x12f/0xa40 [ 6301.276956][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6301.276956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.276956][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.276956][ T903] netlink_unicast+0x449/0x710 [ 6301.276956][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.276956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.276956][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.276956][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.276956][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.276956][ T903] [ 6301.279196][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6301.279196][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6301.279196][ T903] ipv6_find_idev+0x102/0x170 [ 6301.279196][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6301.279196][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.279196][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.279196][ T903] netlink_unicast+0x449/0x710 [ 6301.279196][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.279196][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.279196][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.279196][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.279196][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.279196][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6301.279196][ T903] [ 6301.280918][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6301.280918][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6301.280918][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6301.280918][ T903] ipv6_find_idev+0x102/0x170 [ 6301.280918][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6301.280918][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6301.280918][ T903] netlink_rcv_skb+0x130/0x360 [ 6301.280918][ T903] netlink_unicast+0x449/0x710 [ 6301.280918][ T903] netlink_sendmsg+0x723/0xbe0 [ 6301.280918][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6301.280918][ T903] ___sys_sendmsg+0xee/0x170 [ 6301.280918][ T903] __sys_sendmsg+0xcd/0x170 [ 6301.280918][ T903] do_syscall_64+0xc6/0x1e0 [ 6301.280918][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6301.280918][ T903] [ 6311.525962][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6311.526592][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6311.526592][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6311.526592][ T903] ip6_validate_gw+0x3eb/0x790 [ 6311.526592][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6311.526592][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6311.526592][ T903] ip6_route_add+0x1c/0x140 [ 6311.526592][ T903] inet6_rtm_newroute+0x104/0x110 [ 6311.526592][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.526592][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.526592][ T903] netlink_unicast+0x449/0x710 [ 6311.526592][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.526592][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.526592][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.526592][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.526592][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.526592][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6311.526592][ T903] [ 6311.528699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6311.528699][ T903] netdev_get_by_index+0x5e/0x80 [ 6311.528699][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6311.528699][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6311.528699][ T903] ip6_route_add+0x1c/0x140 [ 6311.528699][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6311.528699][ T903] inet6_addr_add+0x4f8/0xa40 [ 6311.528699][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6311.528699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.528699][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.528699][ T903] netlink_unicast+0x449/0x710 [ 6311.528699][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.528699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.528699][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.528699][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.528699][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.528699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6311.528699][ T903] [ 6311.530924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6311.530924][ T903] netdev_get_by_index+0x5e/0x80 [ 6311.530924][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6311.530924][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6311.530924][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6311.530924][ T903] ipv6_add_addr+0x411/0x2000 [ 6311.530924][ T903] inet6_addr_add+0x30e/0xa40 [ 6311.530924][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6311.530924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.530924][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.530924][ T903] netlink_unicast+0x449/0x710 [ 6311.530924][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.530924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.530924][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.530924][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.530924][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.530924][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6311.530924][ T903] [ 6311.533142][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6311.533142][ T903] netdev_get_by_index+0x5e/0x80 [ 6311.533142][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6311.533142][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6311.533142][ T903] ip6_route_add+0x1c/0x140 [ 6311.533142][ T903] addrconf_add_mroute+0x129/0x180 [ 6311.533142][ T903] addrconf_add_dev+0xe2/0x170 [ 6311.533142][ T903] inet6_addr_add+0x12f/0xa40 [ 6311.533142][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6311.533142][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.533142][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.533142][ T903] netlink_unicast+0x449/0x710 [ 6311.533142][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.533142][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.533142][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.533142][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.533142][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.533142][ T903] [ 6311.535320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6311.535320][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6311.535320][ T903] ipv6_find_idev+0x102/0x170 [ 6311.535320][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6311.535320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.535320][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.535320][ T903] netlink_unicast+0x449/0x710 [ 6311.535320][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.535320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.535320][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.535320][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.535320][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.535320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6311.535320][ T903] [ 6311.537013][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6311.537013][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6311.537013][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6311.537013][ T903] ipv6_find_idev+0x102/0x170 [ 6311.537013][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6311.537013][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6311.537013][ T903] netlink_rcv_skb+0x130/0x360 [ 6311.537013][ T903] netlink_unicast+0x449/0x710 [ 6311.537013][ T903] netlink_sendmsg+0x723/0xbe0 [ 6311.537013][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6311.537013][ T903] ___sys_sendmsg+0xee/0x170 [ 6311.537013][ T903] __sys_sendmsg+0xcd/0x170 [ 6311.537013][ T903] do_syscall_64+0xc6/0x1e0 [ 6311.537013][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6311.537013][ T903] [ 6321.589876][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6321.590533][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6321.590533][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6321.590533][ T903] ip6_validate_gw+0x3eb/0x790 [ 6321.590533][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6321.590533][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6321.590533][ T903] ip6_route_add+0x1c/0x140 [ 6321.590533][ T903] inet6_rtm_newroute+0x104/0x110 [ 6321.590533][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.590533][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.590533][ T903] netlink_unicast+0x449/0x710 [ 6321.590533][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.590533][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.590533][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.590533][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.590533][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.590533][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.590533][ T903] [ 6321.592637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6321.592637][ T903] netdev_get_by_index+0x5e/0x80 [ 6321.592637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6321.592637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6321.592637][ T903] ip6_route_add+0x1c/0x140 [ 6321.592637][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6321.592637][ T903] inet6_addr_add+0x4f8/0xa40 [ 6321.592637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.592637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.592637][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.592637][ T903] netlink_unicast+0x449/0x710 [ 6321.592637][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.592637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.592637][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.592637][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.592637][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.592637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.592637][ T903] [ 6321.594852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6321.594852][ T903] netdev_get_by_index+0x5e/0x80 [ 6321.594852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6321.594852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6321.594852][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6321.594852][ T903] ipv6_add_addr+0x411/0x2000 [ 6321.594852][ T903] inet6_addr_add+0x30e/0xa40 [ 6321.594852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.594852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.594852][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.594852][ T903] netlink_unicast+0x449/0x710 [ 6321.594852][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.594852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.594852][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.594852][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.594852][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.594852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.594852][ T903] [ 6321.597051][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6321.597051][ T903] netdev_get_by_index+0x5e/0x80 [ 6321.597051][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6321.597051][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6321.597051][ T903] ip6_route_add+0x1c/0x140 [ 6321.597051][ T903] addrconf_add_mroute+0x129/0x180 [ 6321.597051][ T903] addrconf_add_dev+0xe2/0x170 [ 6321.597051][ T903] inet6_addr_add+0x12f/0xa40 [ 6321.597051][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6321.597051][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.597051][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.597051][ T903] netlink_unicast+0x449/0x710 [ 6321.597051][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.597051][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.597051][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.597051][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.597051][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.597051][ T903] [ 6321.599212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6321.599212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6321.599212][ T903] ipv6_find_idev+0x102/0x170 [ 6321.599212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6321.599212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.599212][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.599212][ T903] netlink_unicast+0x449/0x710 [ 6321.599212][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.599212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.599212][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.599212][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.599212][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.599212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.599212][ T903] [ 6321.600903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6321.600903][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6321.600903][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6321.600903][ T903] ipv6_find_idev+0x102/0x170 [ 6321.600903][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6321.600903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6321.600903][ T903] netlink_rcv_skb+0x130/0x360 [ 6321.600903][ T903] netlink_unicast+0x449/0x710 [ 6321.600903][ T903] netlink_sendmsg+0x723/0xbe0 [ 6321.600903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6321.600903][ T903] ___sys_sendmsg+0xee/0x170 [ 6321.600903][ T903] __sys_sendmsg+0xcd/0x170 [ 6321.600903][ T903] do_syscall_64+0xc6/0x1e0 [ 6321.600903][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6321.600903][ T903] [ 6331.845900][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6331.846418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6331.846418][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6331.846418][ T903] ip6_validate_gw+0x3eb/0x790 [ 6331.846418][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6331.846418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6331.846418][ T903] ip6_route_add+0x1c/0x140 [ 6331.846418][ T903] inet6_rtm_newroute+0x104/0x110 [ 6331.846418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.846418][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.846418][ T903] netlink_unicast+0x449/0x710 [ 6331.846418][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.846418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.846418][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.846418][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.846418][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.846418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.846418][ T903] [ 6331.848521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6331.848521][ T903] netdev_get_by_index+0x5e/0x80 [ 6331.848521][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6331.848521][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6331.848521][ T903] ip6_route_add+0x1c/0x140 [ 6331.848521][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6331.848521][ T903] inet6_addr_add+0x4f8/0xa40 [ 6331.848521][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.848521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.848521][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.848521][ T903] netlink_unicast+0x449/0x710 [ 6331.848521][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.848521][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.848521][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.848521][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.848521][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.848521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.848521][ T903] [ 6331.850723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6331.850723][ T903] netdev_get_by_index+0x5e/0x80 [ 6331.850723][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6331.850723][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6331.850723][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6331.850723][ T903] ipv6_add_addr+0x411/0x2000 [ 6331.850723][ T903] inet6_addr_add+0x30e/0xa40 [ 6331.850723][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.850723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.850723][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.850723][ T903] netlink_unicast+0x449/0x710 [ 6331.850723][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.850723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.850723][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.850723][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.850723][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.850723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.850723][ T903] [ 6331.852943][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6331.852943][ T903] netdev_get_by_index+0x5e/0x80 [ 6331.852943][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6331.852943][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6331.852943][ T903] ip6_route_add+0x1c/0x140 [ 6331.852943][ T903] addrconf_add_mroute+0x129/0x180 [ 6331.852943][ T903] addrconf_add_dev+0xe2/0x170 [ 6331.852943][ T903] inet6_addr_add+0x12f/0xa40 [ 6331.852943][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6331.852943][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.852943][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.852943][ T903] netlink_unicast+0x449/0x710 [ 6331.852943][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.852943][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.852943][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.852943][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.852943][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.852943][ T903] [ 6331.855099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6331.855099][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6331.855099][ T903] ipv6_find_idev+0x102/0x170 [ 6331.855099][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6331.855099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.855099][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.855099][ T903] netlink_unicast+0x449/0x710 [ 6331.855099][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.855099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.855099][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.855099][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.855099][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.855099][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.855099][ T903] [ 6331.856805][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6331.856805][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6331.856805][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6331.856805][ T903] ipv6_find_idev+0x102/0x170 [ 6331.856805][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6331.856805][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6331.856805][ T903] netlink_rcv_skb+0x130/0x360 [ 6331.856805][ T903] netlink_unicast+0x449/0x710 [ 6331.856805][ T903] netlink_sendmsg+0x723/0xbe0 [ 6331.856805][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6331.856805][ T903] ___sys_sendmsg+0xee/0x170 [ 6331.856805][ T903] __sys_sendmsg+0xcd/0x170 [ 6331.856805][ T903] do_syscall_64+0xc6/0x1e0 [ 6331.856805][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6331.856805][ T903] [ 6342.093796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6342.094298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6342.094298][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6342.094298][ T903] ip6_validate_gw+0x3eb/0x790 [ 6342.094298][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6342.094298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6342.094298][ T903] ip6_route_add+0x1c/0x140 [ 6342.094298][ T903] inet6_rtm_newroute+0x104/0x110 [ 6342.094298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.094298][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.094298][ T903] netlink_unicast+0x449/0x710 [ 6342.094298][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.094298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.094298][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.094298][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.094298][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.094298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6342.094298][ T903] [ 6342.096405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6342.096405][ T903] netdev_get_by_index+0x5e/0x80 [ 6342.096405][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6342.096405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6342.096405][ T903] ip6_route_add+0x1c/0x140 [ 6342.096405][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6342.096405][ T903] inet6_addr_add+0x4f8/0xa40 [ 6342.096405][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6342.096405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.096405][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.096405][ T903] netlink_unicast+0x449/0x710 [ 6342.096405][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.096405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.096405][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.096405][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.096405][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.096405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6342.096405][ T903] [ 6342.098610][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6342.098610][ T903] netdev_get_by_index+0x5e/0x80 [ 6342.098610][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6342.098610][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6342.098610][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6342.098610][ T903] ipv6_add_addr+0x411/0x2000 [ 6342.098610][ T903] inet6_addr_add+0x30e/0xa40 [ 6342.098610][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6342.098610][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.098610][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.098610][ T903] netlink_unicast+0x449/0x710 [ 6342.098610][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.098610][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.098610][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.098610][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.098610][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.098610][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6342.098610][ T903] [ 6342.100806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6342.100806][ T903] netdev_get_by_index+0x5e/0x80 [ 6342.100806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6342.100806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6342.100806][ T903] ip6_route_add+0x1c/0x140 [ 6342.100806][ T903] addrconf_add_mroute+0x129/0x180 [ 6342.100806][ T903] addrconf_add_dev+0xe2/0x170 [ 6342.100806][ T903] inet6_addr_add+0x12f/0xa40 [ 6342.100806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6342.100806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.100806][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.100806][ T903] netlink_unicast+0x449/0x710 [ 6342.100806][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.100806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.100806][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.100806][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.100806][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.100806][ T903] [ 6342.103487][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6342.103487][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6342.103487][ T903] ipv6_find_idev+0x102/0x170 [ 6342.103487][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6342.103487][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.103487][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.103487][ T903] netlink_unicast+0x449/0x710 [ 6342.103487][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.103487][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.103487][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.103487][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.103487][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.103487][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6342.103487][ T903] [ 6342.105192][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6342.105192][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6342.105192][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6342.105192][ T903] ipv6_find_idev+0x102/0x170 [ 6342.105192][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6342.105192][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6342.105192][ T903] netlink_rcv_skb+0x130/0x360 [ 6342.105192][ T903] netlink_unicast+0x449/0x710 [ 6342.105192][ T903] netlink_sendmsg+0x723/0xbe0 [ 6342.105192][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6342.105192][ T903] ___sys_sendmsg+0xee/0x170 [ 6342.105192][ T903] __sys_sendmsg+0xcd/0x170 [ 6342.105192][ T903] do_syscall_64+0xc6/0x1e0 [ 6342.105192][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6342.105192][ T903] [ 6352.349826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6352.350339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6352.350339][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6352.350339][ T903] ip6_validate_gw+0x3eb/0x790 [ 6352.350339][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6352.350339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6352.350339][ T903] ip6_route_add+0x1c/0x140 [ 6352.350339][ T903] inet6_rtm_newroute+0x104/0x110 [ 6352.350339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.350339][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.350339][ T903] netlink_unicast+0x449/0x710 [ 6352.350339][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.350339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.350339][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.350339][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.350339][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.350339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6352.350339][ T903] [ 6352.352441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6352.352441][ T903] netdev_get_by_index+0x5e/0x80 [ 6352.352441][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6352.352441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6352.352441][ T903] ip6_route_add+0x1c/0x140 [ 6352.352441][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6352.352441][ T903] inet6_addr_add+0x4f8/0xa40 [ 6352.352441][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6352.352441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.352441][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.352441][ T903] netlink_unicast+0x449/0x710 [ 6352.352441][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.352441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.352441][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.352441][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.352441][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.352441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6352.352441][ T903] [ 6352.354654][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6352.354654][ T903] netdev_get_by_index+0x5e/0x80 [ 6352.354654][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6352.354654][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6352.354654][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6352.354654][ T903] ipv6_add_addr+0x411/0x2000 [ 6352.354654][ T903] inet6_addr_add+0x30e/0xa40 [ 6352.354654][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6352.354654][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.354654][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.354654][ T903] netlink_unicast+0x449/0x710 [ 6352.354654][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.354654][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.354654][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.354654][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.354654][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.354654][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6352.354654][ T903] [ 6352.356857][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6352.356857][ T903] netdev_get_by_index+0x5e/0x80 [ 6352.356857][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6352.356857][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6352.356857][ T903] ip6_route_add+0x1c/0x140 [ 6352.356857][ T903] addrconf_add_mroute+0x129/0x180 [ 6352.356857][ T903] addrconf_add_dev+0xe2/0x170 [ 6352.356857][ T903] inet6_addr_add+0x12f/0xa40 [ 6352.356857][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6352.356857][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.356857][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.356857][ T903] netlink_unicast+0x449/0x710 [ 6352.356857][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.356857][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.356857][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.356857][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.356857][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.356857][ T903] [ 6352.359040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6352.359040][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6352.359040][ T903] ipv6_find_idev+0x102/0x170 [ 6352.359040][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6352.359040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.359040][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.359040][ T903] netlink_unicast+0x449/0x710 [ 6352.359040][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.359040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.359040][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.359040][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.359040][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.359040][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6352.359040][ T903] [ 6352.360732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6352.360732][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6352.360732][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6352.360732][ T903] ipv6_find_idev+0x102/0x170 [ 6352.360732][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6352.360732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6352.360732][ T903] netlink_rcv_skb+0x130/0x360 [ 6352.360732][ T903] netlink_unicast+0x449/0x710 [ 6352.360732][ T903] netlink_sendmsg+0x723/0xbe0 [ 6352.360732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6352.360732][ T903] ___sys_sendmsg+0xee/0x170 [ 6352.360732][ T903] __sys_sendmsg+0xcd/0x170 [ 6352.360732][ T903] do_syscall_64+0xc6/0x1e0 [ 6352.360732][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6352.360732][ T903] [ 6362.597957][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6362.598497][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6362.598497][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6362.598497][ T903] ip6_validate_gw+0x3eb/0x790 [ 6362.598497][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6362.598497][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6362.598497][ T903] ip6_route_add+0x1c/0x140 [ 6362.598497][ T903] inet6_rtm_newroute+0x104/0x110 [ 6362.598497][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.598497][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.598497][ T903] netlink_unicast+0x449/0x710 [ 6362.598497][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.598497][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.598497][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.598497][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.598497][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.598497][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.598497][ T903] [ 6362.600608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6362.600608][ T903] netdev_get_by_index+0x5e/0x80 [ 6362.600608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6362.600608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6362.600608][ T903] ip6_route_add+0x1c/0x140 [ 6362.600608][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6362.600608][ T903] inet6_addr_add+0x4f8/0xa40 [ 6362.600608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.600608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.600608][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.600608][ T903] netlink_unicast+0x449/0x710 [ 6362.600608][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.600608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.600608][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.600608][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.600608][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.600608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.600608][ T903] [ 6362.602853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6362.602853][ T903] netdev_get_by_index+0x5e/0x80 [ 6362.602853][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6362.602853][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6362.602853][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6362.602853][ T903] ipv6_add_addr+0x411/0x2000 [ 6362.602853][ T903] inet6_addr_add+0x30e/0xa40 [ 6362.602853][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.602853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.602853][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.602853][ T903] netlink_unicast+0x449/0x710 [ 6362.602853][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.602853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.602853][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.602853][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.602853][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.602853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.602853][ T903] [ 6362.605084][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6362.605084][ T903] netdev_get_by_index+0x5e/0x80 [ 6362.605084][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6362.605084][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6362.605084][ T903] ip6_route_add+0x1c/0x140 [ 6362.605084][ T903] addrconf_add_mroute+0x129/0x180 [ 6362.605084][ T903] addrconf_add_dev+0xe2/0x170 [ 6362.605084][ T903] inet6_addr_add+0x12f/0xa40 [ 6362.605084][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6362.605084][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.605084][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.605084][ T903] netlink_unicast+0x449/0x710 [ 6362.605084][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.605084][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.605084][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.605084][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.605084][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.605084][ T903] [ 6362.607260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6362.607260][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6362.607260][ T903] ipv6_find_idev+0x102/0x170 [ 6362.607260][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6362.607260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.607260][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.607260][ T903] netlink_unicast+0x449/0x710 [ 6362.607260][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.607260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.607260][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.607260][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.607260][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.607260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.607260][ T903] [ 6362.608957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6362.608957][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6362.608957][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6362.608957][ T903] ipv6_find_idev+0x102/0x170 [ 6362.608957][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6362.608957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6362.608957][ T903] netlink_rcv_skb+0x130/0x360 [ 6362.608957][ T903] netlink_unicast+0x449/0x710 [ 6362.608957][ T903] netlink_sendmsg+0x723/0xbe0 [ 6362.608957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6362.608957][ T903] ___sys_sendmsg+0xee/0x170 [ 6362.608957][ T903] __sys_sendmsg+0xcd/0x170 [ 6362.608957][ T903] do_syscall_64+0xc6/0x1e0 [ 6362.608957][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6362.608957][ T903] [ 6372.757825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6372.758310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6372.758310][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6372.758310][ T903] ip6_validate_gw+0x3eb/0x790 [ 6372.758310][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6372.758310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6372.758310][ T903] ip6_route_add+0x1c/0x140 [ 6372.758310][ T903] inet6_rtm_newroute+0x104/0x110 [ 6372.758310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.758310][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.758310][ T903] netlink_unicast+0x449/0x710 [ 6372.758310][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.758310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.758310][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.758310][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.758310][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.758310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.758310][ T903] [ 6372.760399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6372.760399][ T903] netdev_get_by_index+0x5e/0x80 [ 6372.760399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6372.760399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6372.760399][ T903] ip6_route_add+0x1c/0x140 [ 6372.760399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6372.760399][ T903] inet6_addr_add+0x4f8/0xa40 [ 6372.760399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.760399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.760399][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.760399][ T903] netlink_unicast+0x449/0x710 [ 6372.760399][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.760399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.760399][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.760399][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.760399][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.760399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.760399][ T903] [ 6372.762594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6372.762594][ T903] netdev_get_by_index+0x5e/0x80 [ 6372.762594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6372.762594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6372.762594][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6372.762594][ T903] ipv6_add_addr+0x411/0x2000 [ 6372.762594][ T903] inet6_addr_add+0x30e/0xa40 [ 6372.762594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.762594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.762594][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.762594][ T903] netlink_unicast+0x449/0x710 [ 6372.762594][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.762594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.762594][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.762594][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.762594][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.762594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.762594][ T903] [ 6372.764795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6372.764795][ T903] netdev_get_by_index+0x5e/0x80 [ 6372.764795][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6372.764795][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6372.764795][ T903] ip6_route_add+0x1c/0x140 [ 6372.764795][ T903] addrconf_add_mroute+0x129/0x180 [ 6372.764795][ T903] addrconf_add_dev+0xe2/0x170 [ 6372.764795][ T903] inet6_addr_add+0x12f/0xa40 [ 6372.764795][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6372.764795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.764795][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.764795][ T903] netlink_unicast+0x449/0x710 [ 6372.764795][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.764795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.764795][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.764795][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.764795][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.764795][ T903] [ 6372.766953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6372.766953][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6372.766953][ T903] ipv6_find_idev+0x102/0x170 [ 6372.766953][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6372.766953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.766953][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.766953][ T903] netlink_unicast+0x449/0x710 [ 6372.766953][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.766953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.766953][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.766953][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.766953][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.766953][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.766953][ T903] [ 6372.768647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6372.768647][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6372.768647][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6372.768647][ T903] ipv6_find_idev+0x102/0x170 [ 6372.768647][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6372.768647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6372.768647][ T903] netlink_rcv_skb+0x130/0x360 [ 6372.768647][ T903] netlink_unicast+0x449/0x710 [ 6372.768647][ T903] netlink_sendmsg+0x723/0xbe0 [ 6372.768647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6372.768647][ T903] ___sys_sendmsg+0xee/0x170 [ 6372.768647][ T903] __sys_sendmsg+0xcd/0x170 [ 6372.768647][ T903] do_syscall_64+0xc6/0x1e0 [ 6372.768647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6372.768647][ T903] [ 6383.021964][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6383.022542][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6383.022542][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6383.022542][ T903] ip6_validate_gw+0x3eb/0x790 [ 6383.022542][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6383.022542][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6383.022542][ T903] ip6_route_add+0x1c/0x140 [ 6383.022542][ T903] inet6_rtm_newroute+0x104/0x110 [ 6383.022542][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.022542][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.022542][ T903] netlink_unicast+0x449/0x710 [ 6383.022542][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.022542][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.022542][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.022542][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.022542][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.022542][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6383.022542][ T903] [ 6383.024650][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6383.024650][ T903] netdev_get_by_index+0x5e/0x80 [ 6383.024650][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6383.024650][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6383.024650][ T903] ip6_route_add+0x1c/0x140 [ 6383.024650][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6383.024650][ T903] inet6_addr_add+0x4f8/0xa40 [ 6383.024650][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6383.024650][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.024650][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.024650][ T903] netlink_unicast+0x449/0x710 [ 6383.024650][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.024650][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.024650][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.024650][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.024650][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.024650][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6383.024650][ T903] [ 6383.026844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6383.026844][ T903] netdev_get_by_index+0x5e/0x80 [ 6383.026844][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6383.026844][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6383.026844][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6383.026844][ T903] ipv6_add_addr+0x411/0x2000 [ 6383.026844][ T903] inet6_addr_add+0x30e/0xa40 [ 6383.026844][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6383.026844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.026844][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.026844][ T903] netlink_unicast+0x449/0x710 [ 6383.026844][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.026844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.026844][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.026844][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.026844][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.026844][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6383.026844][ T903] [ 6383.029049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6383.029049][ T903] netdev_get_by_index+0x5e/0x80 [ 6383.029049][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6383.029049][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6383.029049][ T903] ip6_route_add+0x1c/0x140 [ 6383.029049][ T903] addrconf_add_mroute+0x129/0x180 [ 6383.029049][ T903] addrconf_add_dev+0xe2/0x170 [ 6383.029049][ T903] inet6_addr_add+0x12f/0xa40 [ 6383.029049][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6383.029049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.029049][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.029049][ T903] netlink_unicast+0x449/0x710 [ 6383.029049][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.029049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.029049][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.029049][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.029049][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.029049][ T903] [ 6383.031242][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6383.031242][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6383.031242][ T903] ipv6_find_idev+0x102/0x170 [ 6383.031242][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6383.031242][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.031242][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.031242][ T903] netlink_unicast+0x449/0x710 [ 6383.031242][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.031242][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.031242][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.031242][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.031242][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.031242][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6383.031242][ T903] [ 6383.032936][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6383.032936][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6383.032936][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6383.032936][ T903] ipv6_find_idev+0x102/0x170 [ 6383.032936][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6383.032936][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6383.032936][ T903] netlink_rcv_skb+0x130/0x360 [ 6383.032936][ T903] netlink_unicast+0x449/0x710 [ 6383.032936][ T903] netlink_sendmsg+0x723/0xbe0 [ 6383.032936][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6383.032936][ T903] ___sys_sendmsg+0xee/0x170 [ 6383.032936][ T903] __sys_sendmsg+0xcd/0x170 [ 6383.032936][ T903] do_syscall_64+0xc6/0x1e0 [ 6383.032936][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6383.032936][ T903] [ 6393.333932][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6393.334473][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6393.334473][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6393.334473][ T903] ip6_validate_gw+0x3eb/0x790 [ 6393.334473][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6393.334473][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6393.334473][ T903] ip6_route_add+0x1c/0x140 [ 6393.334473][ T903] inet6_rtm_newroute+0x104/0x110 [ 6393.334473][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.334473][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.334473][ T903] netlink_unicast+0x449/0x710 [ 6393.334473][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.334473][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.334473][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.334473][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.334473][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.334473][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6393.334473][ T903] [ 6393.336571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6393.336571][ T903] netdev_get_by_index+0x5e/0x80 [ 6393.336571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6393.336571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6393.336571][ T903] ip6_route_add+0x1c/0x140 [ 6393.336571][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6393.336571][ T903] inet6_addr_add+0x4f8/0xa40 [ 6393.336571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6393.336571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.336571][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.336571][ T903] netlink_unicast+0x449/0x710 [ 6393.336571][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.336571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.336571][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.336571][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.336571][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.336571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6393.336571][ T903] [ 6393.338788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6393.338788][ T903] netdev_get_by_index+0x5e/0x80 [ 6393.338788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6393.338788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6393.338788][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6393.338788][ T903] ipv6_add_addr+0x411/0x2000 [ 6393.338788][ T903] inet6_addr_add+0x30e/0xa40 [ 6393.338788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6393.338788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.338788][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.338788][ T903] netlink_unicast+0x449/0x710 [ 6393.338788][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.338788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.338788][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.338788][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.338788][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.338788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6393.338788][ T903] [ 6393.340996][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6393.340996][ T903] netdev_get_by_index+0x5e/0x80 [ 6393.340996][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6393.340996][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6393.340996][ T903] ip6_route_add+0x1c/0x140 [ 6393.340996][ T903] addrconf_add_mroute+0x129/0x180 [ 6393.340996][ T903] addrconf_add_dev+0xe2/0x170 [ 6393.340996][ T903] inet6_addr_add+0x12f/0xa40 [ 6393.340996][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6393.340996][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.340996][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.340996][ T903] netlink_unicast+0x449/0x710 [ 6393.340996][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.340996][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.340996][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.340996][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.340996][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.340996][ T903] [ 6393.343175][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6393.343175][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6393.343175][ T903] ipv6_find_idev+0x102/0x170 [ 6393.343175][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6393.343175][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.343175][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.343175][ T903] netlink_unicast+0x449/0x710 [ 6393.343175][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.343175][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.343175][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.343175][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.343175][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.343175][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6393.343175][ T903] [ 6393.344868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6393.344868][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6393.344868][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6393.344868][ T903] ipv6_find_idev+0x102/0x170 [ 6393.344868][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6393.344868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6393.344868][ T903] netlink_rcv_skb+0x130/0x360 [ 6393.344868][ T903] netlink_unicast+0x449/0x710 [ 6393.344868][ T903] netlink_sendmsg+0x723/0xbe0 [ 6393.344868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6393.344868][ T903] ___sys_sendmsg+0xee/0x170 [ 6393.344868][ T903] __sys_sendmsg+0xcd/0x170 [ 6393.344868][ T903] do_syscall_64+0xc6/0x1e0 [ 6393.344868][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6393.344868][ T903] [ 6403.525875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6403.526329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6403.526329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6403.526329][ T903] ip6_validate_gw+0x3eb/0x790 [ 6403.526329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6403.526329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6403.526329][ T903] ip6_route_add+0x1c/0x140 [ 6403.526329][ T903] inet6_rtm_newroute+0x104/0x110 [ 6403.526329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.526329][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.526329][ T903] netlink_unicast+0x449/0x710 [ 6403.526329][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.526329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.526329][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.526329][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.526329][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.526329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6403.526329][ T903] [ 6403.528410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6403.528410][ T903] netdev_get_by_index+0x5e/0x80 [ 6403.528410][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6403.528410][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6403.528410][ T903] ip6_route_add+0x1c/0x140 [ 6403.528410][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6403.528410][ T903] inet6_addr_add+0x4f8/0xa40 [ 6403.528410][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6403.528410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.528410][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.528410][ T903] netlink_unicast+0x449/0x710 [ 6403.528410][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.528410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.528410][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.528410][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.528410][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.528410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6403.528410][ T903] [ 6403.530610][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6403.530610][ T903] netdev_get_by_index+0x5e/0x80 [ 6403.530610][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6403.530610][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6403.530610][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6403.530610][ T903] ipv6_add_addr+0x411/0x2000 [ 6403.530610][ T903] inet6_addr_add+0x30e/0xa40 [ 6403.530610][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6403.530610][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.530610][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.530610][ T903] netlink_unicast+0x449/0x710 [ 6403.530610][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.530610][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.530610][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.530610][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.530610][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.530610][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6403.530610][ T903] [ 6403.532814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6403.532814][ T903] netdev_get_by_index+0x5e/0x80 [ 6403.532814][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6403.532814][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6403.532814][ T903] ip6_route_add+0x1c/0x140 [ 6403.532814][ T903] addrconf_add_mroute+0x129/0x180 [ 6403.532814][ T903] addrconf_add_dev+0xe2/0x170 [ 6403.532814][ T903] inet6_addr_add+0x12f/0xa40 [ 6403.532814][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6403.532814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.532814][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.532814][ T903] netlink_unicast+0x449/0x710 [ 6403.532814][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.532814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.532814][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.532814][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.532814][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.532814][ T903] [ 6403.534970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6403.534970][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6403.534970][ T903] ipv6_find_idev+0x102/0x170 [ 6403.534970][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6403.534970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.534970][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.534970][ T903] netlink_unicast+0x449/0x710 [ 6403.534970][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.534970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.534970][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.534970][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.534970][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.534970][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6403.534970][ T903] [ 6403.536651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6403.536651][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6403.536651][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6403.536651][ T903] ipv6_find_idev+0x102/0x170 [ 6403.536651][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6403.536651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6403.536651][ T903] netlink_rcv_skb+0x130/0x360 [ 6403.536651][ T903] netlink_unicast+0x449/0x710 [ 6403.536651][ T903] netlink_sendmsg+0x723/0xbe0 [ 6403.536651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6403.536651][ T903] ___sys_sendmsg+0xee/0x170 [ 6403.536651][ T903] __sys_sendmsg+0xcd/0x170 [ 6403.536651][ T903] do_syscall_64+0xc6/0x1e0 [ 6403.536651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6403.536651][ T903] [ 6413.773831][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6413.774344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6413.774344][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6413.774344][ T903] ip6_validate_gw+0x3eb/0x790 [ 6413.774344][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6413.774344][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6413.774344][ T903] ip6_route_add+0x1c/0x140 [ 6413.774344][ T903] inet6_rtm_newroute+0x104/0x110 [ 6413.774344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.774344][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.774344][ T903] netlink_unicast+0x449/0x710 [ 6413.774344][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.774344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.774344][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.774344][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.774344][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.774344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.774344][ T903] [ 6413.776476][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6413.776476][ T903] netdev_get_by_index+0x5e/0x80 [ 6413.776476][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6413.776476][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6413.776476][ T903] ip6_route_add+0x1c/0x140 [ 6413.776476][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6413.776476][ T903] inet6_addr_add+0x4f8/0xa40 [ 6413.776476][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6413.776476][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.776476][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.776476][ T903] netlink_unicast+0x449/0x710 [ 6413.776476][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.776476][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.776476][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.776476][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.776476][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.776476][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.776476][ T903] [ 6413.778678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6413.778678][ T903] netdev_get_by_index+0x5e/0x80 [ 6413.778678][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6413.778678][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6413.778678][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6413.778678][ T903] ipv6_add_addr+0x411/0x2000 [ 6413.778678][ T903] inet6_addr_add+0x30e/0xa40 [ 6413.778678][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6413.778678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.778678][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.778678][ T903] netlink_unicast+0x449/0x710 [ 6413.778678][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.778678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.778678][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.778678][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.778678][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.778678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.778678][ T903] [ 6413.780875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6413.780875][ T903] netdev_get_by_index+0x5e/0x80 [ 6413.780875][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6413.780875][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6413.780875][ T903] ip6_route_add+0x1c/0x140 [ 6413.780875][ T903] addrconf_add_mroute+0x129/0x180 [ 6413.780875][ T903] addrconf_add_dev+0xe2/0x170 [ 6413.780875][ T903] inet6_addr_add+0x12f/0xa40 [ 6413.780875][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6413.780875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.780875][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.780875][ T903] netlink_unicast+0x449/0x710 [ 6413.780875][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.780875][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.780875][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.780875][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.780875][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.780875][ T903] [ 6413.783044][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6413.783044][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6413.783044][ T903] ipv6_find_idev+0x102/0x170 [ 6413.783044][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6413.783044][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.783044][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.783044][ T903] netlink_unicast+0x449/0x710 [ 6413.783044][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.783044][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.783044][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.783044][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.783044][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.783044][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.783044][ T903] [ 6413.784727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6413.784727][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6413.784727][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6413.784727][ T903] ipv6_find_idev+0x102/0x170 [ 6413.784727][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6413.784727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6413.784727][ T903] netlink_rcv_skb+0x130/0x360 [ 6413.784727][ T903] netlink_unicast+0x449/0x710 [ 6413.784727][ T903] netlink_sendmsg+0x723/0xbe0 [ 6413.784727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6413.784727][ T903] ___sys_sendmsg+0xee/0x170 [ 6413.784727][ T903] __sys_sendmsg+0xcd/0x170 [ 6413.784727][ T903] do_syscall_64+0xc6/0x1e0 [ 6413.784727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6413.784727][ T903] [ 6424.021866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6424.022567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6424.022567][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6424.022567][ T903] ip6_validate_gw+0x3eb/0x790 [ 6424.022567][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6424.022567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6424.022567][ T903] ip6_route_add+0x1c/0x140 [ 6424.022567][ T903] inet6_rtm_newroute+0x104/0x110 [ 6424.022567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.022567][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.022567][ T903] netlink_unicast+0x449/0x710 [ 6424.022567][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.022567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.022567][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.022567][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.022567][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.022567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6424.022567][ T903] [ 6424.024669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6424.024669][ T903] netdev_get_by_index+0x5e/0x80 [ 6424.024669][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6424.024669][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6424.024669][ T903] ip6_route_add+0x1c/0x140 [ 6424.024669][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6424.024669][ T903] inet6_addr_add+0x4f8/0xa40 [ 6424.024669][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6424.024669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.024669][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.024669][ T903] netlink_unicast+0x449/0x710 [ 6424.024669][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.024669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.024669][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.024669][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.024669][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.024669][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6424.024669][ T903] [ 6424.026865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6424.026865][ T903] netdev_get_by_index+0x5e/0x80 [ 6424.026865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6424.026865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6424.026865][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6424.026865][ T903] ipv6_add_addr+0x411/0x2000 [ 6424.026865][ T903] inet6_addr_add+0x30e/0xa40 [ 6424.026865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6424.026865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.026865][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.026865][ T903] netlink_unicast+0x449/0x710 [ 6424.026865][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.026865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.026865][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.026865][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.026865][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.026865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6424.026865][ T903] [ 6424.029065][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6424.029065][ T903] netdev_get_by_index+0x5e/0x80 [ 6424.029065][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6424.029065][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6424.029065][ T903] ip6_route_add+0x1c/0x140 [ 6424.029065][ T903] addrconf_add_mroute+0x129/0x180 [ 6424.029065][ T903] addrconf_add_dev+0xe2/0x170 [ 6424.029065][ T903] inet6_addr_add+0x12f/0xa40 [ 6424.029065][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6424.029065][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.029065][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.029065][ T903] netlink_unicast+0x449/0x710 [ 6424.029065][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.029065][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.029065][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.029065][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.029065][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.029065][ T903] [ 6424.031224][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6424.031224][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6424.031224][ T903] ipv6_find_idev+0x102/0x170 [ 6424.031224][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6424.031224][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.031224][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.031224][ T903] netlink_unicast+0x449/0x710 [ 6424.031224][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.031224][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.031224][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.031224][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.031224][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.031224][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6424.031224][ T903] [ 6424.032922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6424.032922][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6424.032922][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6424.032922][ T903] ipv6_find_idev+0x102/0x170 [ 6424.032922][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6424.032922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6424.032922][ T903] netlink_rcv_skb+0x130/0x360 [ 6424.032922][ T903] netlink_unicast+0x449/0x710 [ 6424.032922][ T903] netlink_sendmsg+0x723/0xbe0 [ 6424.032922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6424.032922][ T903] ___sys_sendmsg+0xee/0x170 [ 6424.032922][ T903] __sys_sendmsg+0xcd/0x170 [ 6424.032922][ T903] do_syscall_64+0xc6/0x1e0 [ 6424.032922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6424.032922][ T903] [ 6434.277867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6434.278653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6434.278653][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6434.278653][ T903] ip6_validate_gw+0x3eb/0x790 [ 6434.278653][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6434.278653][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6434.278653][ T903] ip6_route_add+0x1c/0x140 [ 6434.278653][ T903] inet6_rtm_newroute+0x104/0x110 [ 6434.278653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.278653][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.278653][ T903] netlink_unicast+0x449/0x710 [ 6434.278653][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.278653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.278653][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.278653][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.278653][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.278653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6434.278653][ T903] [ 6434.280751][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6434.280751][ T903] netdev_get_by_index+0x5e/0x80 [ 6434.280751][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6434.280751][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6434.280751][ T903] ip6_route_add+0x1c/0x140 [ 6434.280751][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6434.280751][ T903] inet6_addr_add+0x4f8/0xa40 [ 6434.280751][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6434.280751][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.280751][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.280751][ T903] netlink_unicast+0x449/0x710 [ 6434.280751][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.280751][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.280751][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.280751][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.280751][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.280751][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6434.280751][ T903] [ 6434.282968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6434.282968][ T903] netdev_get_by_index+0x5e/0x80 [ 6434.282968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6434.282968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6434.282968][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6434.282968][ T903] ipv6_add_addr+0x411/0x2000 [ 6434.282968][ T903] inet6_addr_add+0x30e/0xa40 [ 6434.282968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6434.282968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.282968][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.282968][ T903] netlink_unicast+0x449/0x710 [ 6434.282968][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.282968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.282968][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.282968][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.282968][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.282968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6434.282968][ T903] [ 6434.285159][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6434.285159][ T903] netdev_get_by_index+0x5e/0x80 [ 6434.285159][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6434.285159][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6434.285159][ T903] ip6_route_add+0x1c/0x140 [ 6434.285159][ T903] addrconf_add_mroute+0x129/0x180 [ 6434.285159][ T903] addrconf_add_dev+0xe2/0x170 [ 6434.285159][ T903] inet6_addr_add+0x12f/0xa40 [ 6434.285159][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6434.285159][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.285159][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.285159][ T903] netlink_unicast+0x449/0x710 [ 6434.285159][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.285159][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.285159][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.285159][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.285159][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.285159][ T903] [ 6434.287315][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6434.287315][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6434.287315][ T903] ipv6_find_idev+0x102/0x170 [ 6434.287315][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6434.287315][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.287315][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.287315][ T903] netlink_unicast+0x449/0x710 [ 6434.287315][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.287315][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.287315][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.287315][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.287315][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.287315][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6434.287315][ T903] [ 6434.289003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6434.289003][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6434.289003][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6434.289003][ T903] ipv6_find_idev+0x102/0x170 [ 6434.289003][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6434.289003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6434.289003][ T903] netlink_rcv_skb+0x130/0x360 [ 6434.289003][ T903] netlink_unicast+0x449/0x710 [ 6434.289003][ T903] netlink_sendmsg+0x723/0xbe0 [ 6434.289003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6434.289003][ T903] ___sys_sendmsg+0xee/0x170 [ 6434.289003][ T903] __sys_sendmsg+0xcd/0x170 [ 6434.289003][ T903] do_syscall_64+0xc6/0x1e0 [ 6434.289003][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6434.289003][ T903] [ 6444.469970][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6444.470764][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6444.470764][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6444.470764][ T903] ip6_validate_gw+0x3eb/0x790 [ 6444.470764][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6444.470764][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6444.470764][ T903] ip6_route_add+0x1c/0x140 [ 6444.470764][ T903] inet6_rtm_newroute+0x104/0x110 [ 6444.470764][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.470764][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.470764][ T903] netlink_unicast+0x449/0x710 [ 6444.470764][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.470764][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.470764][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.470764][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.470764][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.470764][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6444.470764][ T903] [ 6444.472868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6444.472868][ T903] netdev_get_by_index+0x5e/0x80 [ 6444.472868][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6444.472868][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6444.472868][ T903] ip6_route_add+0x1c/0x140 [ 6444.472868][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6444.472868][ T903] inet6_addr_add+0x4f8/0xa40 [ 6444.472868][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6444.472868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.472868][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.472868][ T903] netlink_unicast+0x449/0x710 [ 6444.472868][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.472868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.472868][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.472868][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.472868][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.472868][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6444.472868][ T903] [ 6444.475073][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6444.475073][ T903] netdev_get_by_index+0x5e/0x80 [ 6444.475073][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6444.475073][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6444.475073][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6444.475073][ T903] ipv6_add_addr+0x411/0x2000 [ 6444.475073][ T903] inet6_addr_add+0x30e/0xa40 [ 6444.475073][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6444.475073][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.475073][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.475073][ T903] netlink_unicast+0x449/0x710 [ 6444.475073][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.475073][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.475073][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.475073][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.475073][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.475073][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6444.475073][ T903] [ 6444.477265][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6444.477265][ T903] netdev_get_by_index+0x5e/0x80 [ 6444.477265][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6444.477265][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6444.477265][ T903] ip6_route_add+0x1c/0x140 [ 6444.477265][ T903] addrconf_add_mroute+0x129/0x180 [ 6444.477265][ T903] addrconf_add_dev+0xe2/0x170 [ 6444.477265][ T903] inet6_addr_add+0x12f/0xa40 [ 6444.477265][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6444.477265][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.477265][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.477265][ T903] netlink_unicast+0x449/0x710 [ 6444.477265][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.477265][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.477265][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.477265][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.477265][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.477265][ T903] [ 6444.479424][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6444.479424][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6444.479424][ T903] ipv6_find_idev+0x102/0x170 [ 6444.479424][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6444.479424][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.479424][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.479424][ T903] netlink_unicast+0x449/0x710 [ 6444.479424][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.479424][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.479424][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.479424][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.479424][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.479424][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6444.479424][ T903] [ 6444.481113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6444.481113][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6444.481113][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6444.481113][ T903] ipv6_find_idev+0x102/0x170 [ 6444.481113][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6444.481113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6444.481113][ T903] netlink_rcv_skb+0x130/0x360 [ 6444.481113][ T903] netlink_unicast+0x449/0x710 [ 6444.481113][ T903] netlink_sendmsg+0x723/0xbe0 [ 6444.481113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6444.481113][ T903] ___sys_sendmsg+0xee/0x170 [ 6444.481113][ T903] __sys_sendmsg+0xcd/0x170 [ 6444.481113][ T903] do_syscall_64+0xc6/0x1e0 [ 6444.481113][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6444.481113][ T903] [ 6454.725879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6454.726375][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6454.726375][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6454.726375][ T903] ip6_validate_gw+0x3eb/0x790 [ 6454.726375][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6454.726375][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6454.726375][ T903] ip6_route_add+0x1c/0x140 [ 6454.726375][ T903] inet6_rtm_newroute+0x104/0x110 [ 6454.726375][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.726375][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.726375][ T903] netlink_unicast+0x449/0x710 [ 6454.726375][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.726375][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.726375][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.726375][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.726375][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.726375][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6454.726375][ T903] [ 6454.728488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6454.728488][ T903] netdev_get_by_index+0x5e/0x80 [ 6454.728488][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6454.728488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6454.728488][ T903] ip6_route_add+0x1c/0x140 [ 6454.728488][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6454.728488][ T903] inet6_addr_add+0x4f8/0xa40 [ 6454.728488][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6454.728488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.728488][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.728488][ T903] netlink_unicast+0x449/0x710 [ 6454.728488][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.728488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.728488][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.728488][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.728488][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.728488][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6454.728488][ T903] [ 6454.730689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6454.730689][ T903] netdev_get_by_index+0x5e/0x80 [ 6454.730689][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6454.730689][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6454.730689][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6454.730689][ T903] ipv6_add_addr+0x411/0x2000 [ 6454.730689][ T903] inet6_addr_add+0x30e/0xa40 [ 6454.730689][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6454.730689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.730689][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.730689][ T903] netlink_unicast+0x449/0x710 [ 6454.730689][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.730689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.730689][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.730689][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.730689][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.730689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6454.730689][ T903] [ 6454.732899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6454.732899][ T903] netdev_get_by_index+0x5e/0x80 [ 6454.732899][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6454.732899][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6454.732899][ T903] ip6_route_add+0x1c/0x140 [ 6454.732899][ T903] addrconf_add_mroute+0x129/0x180 [ 6454.732899][ T903] addrconf_add_dev+0xe2/0x170 [ 6454.732899][ T903] inet6_addr_add+0x12f/0xa40 [ 6454.732899][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6454.732899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.732899][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.732899][ T903] netlink_unicast+0x449/0x710 [ 6454.732899][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.732899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.732899][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.732899][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.732899][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.732899][ T903] [ 6454.735056][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6454.735056][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6454.735056][ T903] ipv6_find_idev+0x102/0x170 [ 6454.735056][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6454.735056][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.735056][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.735056][ T903] netlink_unicast+0x449/0x710 [ 6454.735056][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.735056][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.735056][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.735056][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.735056][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.735056][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6454.735056][ T903] [ 6454.736750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6454.736750][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6454.736750][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6454.736750][ T903] ipv6_find_idev+0x102/0x170 [ 6454.736750][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6454.736750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6454.736750][ T903] netlink_rcv_skb+0x130/0x360 [ 6454.736750][ T903] netlink_unicast+0x449/0x710 [ 6454.736750][ T903] netlink_sendmsg+0x723/0xbe0 [ 6454.736750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6454.736750][ T903] ___sys_sendmsg+0xee/0x170 [ 6454.736750][ T903] __sys_sendmsg+0xcd/0x170 [ 6454.736750][ T903] do_syscall_64+0xc6/0x1e0 [ 6454.736750][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6454.736750][ T903] [ 6464.973802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6464.974296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6464.974296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6464.974296][ T903] ip6_validate_gw+0x3eb/0x790 [ 6464.974296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6464.974296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6464.974296][ T903] ip6_route_add+0x1c/0x140 [ 6464.974296][ T903] inet6_rtm_newroute+0x104/0x110 [ 6464.974296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.974296][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.974296][ T903] netlink_unicast+0x449/0x710 [ 6464.974296][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.974296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.974296][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.974296][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.974296][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.974296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.974296][ T903] [ 6464.976399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6464.976399][ T903] netdev_get_by_index+0x5e/0x80 [ 6464.976399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6464.976399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6464.976399][ T903] ip6_route_add+0x1c/0x140 [ 6464.976399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6464.976399][ T903] inet6_addr_add+0x4f8/0xa40 [ 6464.976399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.976399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.976399][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.976399][ T903] netlink_unicast+0x449/0x710 [ 6464.976399][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.976399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.976399][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.976399][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.976399][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.976399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.976399][ T903] [ 6464.978607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6464.978607][ T903] netdev_get_by_index+0x5e/0x80 [ 6464.978607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6464.978607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6464.978607][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6464.978607][ T903] ipv6_add_addr+0x411/0x2000 [ 6464.978607][ T903] inet6_addr_add+0x30e/0xa40 [ 6464.978607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.978607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.978607][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.978607][ T903] netlink_unicast+0x449/0x710 [ 6464.978607][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.978607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.978607][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.978607][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.978607][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.978607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.978607][ T903] [ 6464.980804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6464.980804][ T903] netdev_get_by_index+0x5e/0x80 [ 6464.980804][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6464.980804][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6464.980804][ T903] ip6_route_add+0x1c/0x140 [ 6464.980804][ T903] addrconf_add_mroute+0x129/0x180 [ 6464.980804][ T903] addrconf_add_dev+0xe2/0x170 [ 6464.980804][ T903] inet6_addr_add+0x12f/0xa40 [ 6464.980804][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6464.980804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.980804][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.980804][ T903] netlink_unicast+0x449/0x710 [ 6464.980804][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.980804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.980804][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.980804][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.980804][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.980804][ T903] [ 6464.982971][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6464.982971][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6464.982971][ T903] ipv6_find_idev+0x102/0x170 [ 6464.982971][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6464.982971][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.982971][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.982971][ T903] netlink_unicast+0x449/0x710 [ 6464.982971][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.982971][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.982971][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.982971][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.982971][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.982971][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.982971][ T903] [ 6464.984695][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6464.984695][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6464.984695][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6464.984695][ T903] ipv6_find_idev+0x102/0x170 [ 6464.984695][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6464.984695][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6464.984695][ T903] netlink_rcv_skb+0x130/0x360 [ 6464.984695][ T903] netlink_unicast+0x449/0x710 [ 6464.984695][ T903] netlink_sendmsg+0x723/0xbe0 [ 6464.984695][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6464.984695][ T903] ___sys_sendmsg+0xee/0x170 [ 6464.984695][ T903] __sys_sendmsg+0xcd/0x170 [ 6464.984695][ T903] do_syscall_64+0xc6/0x1e0 [ 6464.984695][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6464.984695][ T903] [ 6474.989827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6474.990365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6474.990365][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6474.990365][ T903] ip6_validate_gw+0x3eb/0x790 [ 6474.990365][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6474.990365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6474.990365][ T903] ip6_route_add+0x1c/0x140 [ 6474.990365][ T903] inet6_rtm_newroute+0x104/0x110 [ 6474.990365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.990365][ T903] netlink_rcv_skb+0x130/0x360 [ 6474.990365][ T903] netlink_unicast+0x449/0x710 [ 6474.990365][ T903] netlink_sendmsg+0x723/0xbe0 [ 6474.990365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6474.990365][ T903] ___sys_sendmsg+0xee/0x170 [ 6474.990365][ T903] __sys_sendmsg+0xcd/0x170 [ 6474.990365][ T903] do_syscall_64+0xc6/0x1e0 [ 6474.990365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.990365][ T903] [ 6474.992469][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6474.992469][ T903] netdev_get_by_index+0x5e/0x80 [ 6474.992469][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6474.992469][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6474.992469][ T903] ip6_route_add+0x1c/0x140 [ 6474.992469][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6474.992469][ T903] inet6_addr_add+0x4f8/0xa40 [ 6474.992469][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.992469][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.992469][ T903] netlink_rcv_skb+0x130/0x360 [ 6474.992469][ T903] netlink_unicast+0x449/0x710 [ 6474.992469][ T903] netlink_sendmsg+0x723/0xbe0 [ 6474.992469][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6474.992469][ T903] ___sys_sendmsg+0xee/0x170 [ 6474.992469][ T903] __sys_sendmsg+0xcd/0x170 [ 6474.992469][ T903] do_syscall_64+0xc6/0x1e0 [ 6474.992469][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.992469][ T903] [ 6474.994691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6474.994691][ T903] netdev_get_by_index+0x5e/0x80 [ 6474.994691][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6474.994691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6474.994691][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6474.994691][ T903] ipv6_add_addr+0x411/0x2000 [ 6474.994691][ T903] inet6_addr_add+0x30e/0xa40 [ 6474.994691][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.994691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.994691][ T903] netlink_rcv_skb+0x130/0x360 [ 6474.994691][ T903] netlink_unicast+0x449/0x710 [ 6474.994691][ T903] netlink_sendmsg+0x723/0xbe0 [ 6474.994691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6474.994691][ T903] ___sys_sendmsg+0xee/0x170 [ 6474.994691][ T903] __sys_sendmsg+0xcd/0x170 [ 6474.994691][ T903] do_syscall_64+0xc6/0x1e0 [ 6474.994691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.994691][ T903] [ 6474.996879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6474.996879][ T903] netdev_get_by_index+0x5e/0x80 [ 6474.996879][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6474.996879][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6474.996879][ T903] ip6_route_add+0x1c/0x140 [ 6474.996879][ T903] addrconf_add_mroute+0x129/0x180 [ 6474.996879][ T903] addrconf_add_dev+0xe2/0x170 [ 6474.996879][ T903] inet6_addr_add+0x12f/0xa40 [ 6474.996879][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6474.996879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.996879][ T903] netlink_rcv_skb+0x130/0x360 [ 6474.996879][ T903] netlink_unicast+0x449/0x710 [ 6474.996879][ T903] netlink_sendmsg+0x723/0xbe0 [ 6474.996879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6474.996879][ T903] ___sys_sendmsg+0xee/0x170 [ 6474.996879][ T903] __sys_sendmsg+0xcd/0x170 [ 6474.996879][ T903] do_syscall_64+0xc6/0x1e0 [ 6474.996879][ T903] [ 6474.999035][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6474.999035][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6474.999035][ T903] ipv6_find_idev+0x102/0x170 [ 6474.999035][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6474.999035][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6474.999035][ T903] netlink_rcv_skb+0x130/0x360 [ 6474.999035][ T903] netlink_unicast+0x449/0x710 [ 6474.999035][ T903] netlink_sendmsg+0x723/0xbe0 [ 6474.999035][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6474.999035][ T903] ___sys_sendmsg+0xee/0x170 [ 6474.999035][ T903] __sys_sendmsg+0xcd/0x170 [ 6474.999035][ T903] do_syscall_64+0xc6/0x1e0 [ 6474.999035][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6474.999035][ T903] [ 6475.000722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6475.000722][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6475.000722][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6475.000722][ T903] ipv6_find_idev+0x102/0x170 [ 6475.000722][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6475.000722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6475.000722][ T903] netlink_rcv_skb+0x130/0x360 [ 6475.000722][ T903] netlink_unicast+0x449/0x710 [ 6475.000722][ T903] netlink_sendmsg+0x723/0xbe0 [ 6475.000722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6475.000722][ T903] ___sys_sendmsg+0xee/0x170 [ 6475.000722][ T903] __sys_sendmsg+0xcd/0x170 [ 6475.000722][ T903] do_syscall_64+0xc6/0x1e0 [ 6475.000722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6475.000722][ T903] [ 6485.253795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6485.254315][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6485.254315][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6485.254315][ T903] ip6_validate_gw+0x3eb/0x790 [ 6485.254315][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6485.254315][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6485.254315][ T903] ip6_route_add+0x1c/0x140 [ 6485.254315][ T903] inet6_rtm_newroute+0x104/0x110 [ 6485.254315][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.254315][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.254315][ T903] netlink_unicast+0x449/0x710 [ 6485.254315][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.254315][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.254315][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.254315][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.254315][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.254315][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6485.254315][ T903] [ 6485.256439][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6485.256439][ T903] netdev_get_by_index+0x5e/0x80 [ 6485.256439][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6485.256439][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6485.256439][ T903] ip6_route_add+0x1c/0x140 [ 6485.256439][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6485.256439][ T903] inet6_addr_add+0x4f8/0xa40 [ 6485.256439][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6485.256439][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.256439][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.256439][ T903] netlink_unicast+0x449/0x710 [ 6485.256439][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.256439][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.256439][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.256439][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.256439][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.256439][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6485.256439][ T903] [ 6485.258668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6485.258668][ T903] netdev_get_by_index+0x5e/0x80 [ 6485.258668][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6485.258668][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6485.258668][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6485.258668][ T903] ipv6_add_addr+0x411/0x2000 [ 6485.258668][ T903] inet6_addr_add+0x30e/0xa40 [ 6485.258668][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6485.258668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.258668][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.258668][ T903] netlink_unicast+0x449/0x710 [ 6485.258668][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.258668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.258668][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.258668][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.258668][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.258668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6485.258668][ T903] [ 6485.260882][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6485.260882][ T903] netdev_get_by_index+0x5e/0x80 [ 6485.260882][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6485.260882][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6485.260882][ T903] ip6_route_add+0x1c/0x140 [ 6485.260882][ T903] addrconf_add_mroute+0x129/0x180 [ 6485.260882][ T903] addrconf_add_dev+0xe2/0x170 [ 6485.260882][ T903] inet6_addr_add+0x12f/0xa40 [ 6485.260882][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6485.260882][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.260882][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.260882][ T903] netlink_unicast+0x449/0x710 [ 6485.260882][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.260882][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.260882][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.260882][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.260882][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.260882][ T903] [ 6485.263087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6485.263087][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6485.263087][ T903] ipv6_find_idev+0x102/0x170 [ 6485.263087][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6485.263087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.263087][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.263087][ T903] netlink_unicast+0x449/0x710 [ 6485.263087][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.263087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.263087][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.263087][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.263087][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.263087][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6485.263087][ T903] [ 6485.264799][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6485.264799][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6485.264799][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6485.264799][ T903] ipv6_find_idev+0x102/0x170 [ 6485.264799][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6485.264799][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6485.264799][ T903] netlink_rcv_skb+0x130/0x360 [ 6485.264799][ T903] netlink_unicast+0x449/0x710 [ 6485.264799][ T903] netlink_sendmsg+0x723/0xbe0 [ 6485.264799][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6485.264799][ T903] ___sys_sendmsg+0xee/0x170 [ 6485.264799][ T903] __sys_sendmsg+0xcd/0x170 [ 6485.264799][ T903] do_syscall_64+0xc6/0x1e0 [ 6485.264799][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6485.264799][ T903] [ 6495.517839][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6495.518359][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6495.518359][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6495.518359][ T903] ip6_validate_gw+0x3eb/0x790 [ 6495.518359][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6495.518359][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6495.518359][ T903] ip6_route_add+0x1c/0x140 [ 6495.518359][ T903] inet6_rtm_newroute+0x104/0x110 [ 6495.518359][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.518359][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.518359][ T903] netlink_unicast+0x449/0x710 [ 6495.518359][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.518359][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.518359][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.518359][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.518359][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.518359][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6495.518359][ T903] [ 6495.520532][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6495.520532][ T903] netdev_get_by_index+0x5e/0x80 [ 6495.520532][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6495.520532][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6495.520532][ T903] ip6_route_add+0x1c/0x140 [ 6495.520532][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6495.520532][ T903] inet6_addr_add+0x4f8/0xa40 [ 6495.520532][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6495.520532][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.520532][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.520532][ T903] netlink_unicast+0x449/0x710 [ 6495.520532][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.520532][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.520532][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.520532][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.520532][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.520532][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6495.520532][ T903] [ 6495.522782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6495.522782][ T903] netdev_get_by_index+0x5e/0x80 [ 6495.522782][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6495.522782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6495.522782][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6495.522782][ T903] ipv6_add_addr+0x411/0x2000 [ 6495.522782][ T903] inet6_addr_add+0x30e/0xa40 [ 6495.522782][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6495.522782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.522782][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.522782][ T903] netlink_unicast+0x449/0x710 [ 6495.522782][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.522782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.522782][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.522782][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.522782][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.522782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6495.522782][ T903] [ 6495.525001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6495.525001][ T903] netdev_get_by_index+0x5e/0x80 [ 6495.525001][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6495.525001][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6495.525001][ T903] ip6_route_add+0x1c/0x140 [ 6495.525001][ T903] addrconf_add_mroute+0x129/0x180 [ 6495.525001][ T903] addrconf_add_dev+0xe2/0x170 [ 6495.525001][ T903] inet6_addr_add+0x12f/0xa40 [ 6495.525001][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6495.525001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.525001][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.525001][ T903] netlink_unicast+0x449/0x710 [ 6495.525001][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.525001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.525001][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.525001][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.525001][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.525001][ T903] [ 6495.527179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6495.527179][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6495.527179][ T903] ipv6_find_idev+0x102/0x170 [ 6495.527179][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6495.527179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.527179][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.527179][ T903] netlink_unicast+0x449/0x710 [ 6495.527179][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.527179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.527179][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.527179][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.527179][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.527179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6495.527179][ T903] [ 6495.528888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6495.528888][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6495.528888][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6495.528888][ T903] ipv6_find_idev+0x102/0x170 [ 6495.528888][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6495.528888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6495.528888][ T903] netlink_rcv_skb+0x130/0x360 [ 6495.528888][ T903] netlink_unicast+0x449/0x710 [ 6495.528888][ T903] netlink_sendmsg+0x723/0xbe0 [ 6495.528888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6495.528888][ T903] ___sys_sendmsg+0xee/0x170 [ 6495.528888][ T903] __sys_sendmsg+0xcd/0x170 [ 6495.528888][ T903] do_syscall_64+0xc6/0x1e0 [ 6495.528888][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6495.528888][ T903] [ 6505.781881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6505.782564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6505.782564][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6505.782564][ T903] ip6_validate_gw+0x3eb/0x790 [ 6505.782564][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6505.782564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6505.782564][ T903] ip6_route_add+0x1c/0x140 [ 6505.782564][ T903] inet6_rtm_newroute+0x104/0x110 [ 6505.782564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.782564][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.782564][ T903] netlink_unicast+0x449/0x710 [ 6505.782564][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.782564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.782564][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.782564][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.782564][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.782564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.782564][ T903] [ 6505.784804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6505.784804][ T903] netdev_get_by_index+0x5e/0x80 [ 6505.784804][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6505.784804][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6505.784804][ T903] ip6_route_add+0x1c/0x140 [ 6505.784804][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6505.784804][ T903] inet6_addr_add+0x4f8/0xa40 [ 6505.784804][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.784804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.784804][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.784804][ T903] netlink_unicast+0x449/0x710 [ 6505.784804][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.784804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.784804][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.784804][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.784804][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.784804][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.784804][ T903] [ 6505.787037][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6505.787037][ T903] netdev_get_by_index+0x5e/0x80 [ 6505.787037][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6505.787037][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6505.787037][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6505.787037][ T903] ipv6_add_addr+0x411/0x2000 [ 6505.787037][ T903] inet6_addr_add+0x30e/0xa40 [ 6505.787037][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.787037][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.787037][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.787037][ T903] netlink_unicast+0x449/0x710 [ 6505.787037][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.787037][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.787037][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.787037][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.787037][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.787037][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.787037][ T903] [ 6505.789277][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6505.789277][ T903] netdev_get_by_index+0x5e/0x80 [ 6505.789277][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6505.789277][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6505.789277][ T903] ip6_route_add+0x1c/0x140 [ 6505.789277][ T903] addrconf_add_mroute+0x129/0x180 [ 6505.789277][ T903] addrconf_add_dev+0xe2/0x170 [ 6505.789277][ T903] inet6_addr_add+0x12f/0xa40 [ 6505.789277][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6505.789277][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.789277][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.789277][ T903] netlink_unicast+0x449/0x710 [ 6505.789277][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.789277][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.789277][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.789277][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.789277][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.789277][ T903] [ 6505.791435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6505.791435][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6505.791435][ T903] ipv6_find_idev+0x102/0x170 [ 6505.791435][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6505.791435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.791435][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.791435][ T903] netlink_unicast+0x449/0x710 [ 6505.791435][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.791435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.791435][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.791435][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.791435][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.791435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.791435][ T903] [ 6505.793151][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6505.793151][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6505.793151][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6505.793151][ T903] ipv6_find_idev+0x102/0x170 [ 6505.793151][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6505.793151][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6505.793151][ T903] netlink_rcv_skb+0x130/0x360 [ 6505.793151][ T903] netlink_unicast+0x449/0x710 [ 6505.793151][ T903] netlink_sendmsg+0x723/0xbe0 [ 6505.793151][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6505.793151][ T903] ___sys_sendmsg+0xee/0x170 [ 6505.793151][ T903] __sys_sendmsg+0xcd/0x170 [ 6505.793151][ T903] do_syscall_64+0xc6/0x1e0 [ 6505.793151][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6505.793151][ T903] [ 6516.045807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6516.046321][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6516.046321][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6516.046321][ T903] ip6_validate_gw+0x3eb/0x790 [ 6516.046321][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6516.046321][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6516.046321][ T903] ip6_route_add+0x1c/0x140 [ 6516.046321][ T903] inet6_rtm_newroute+0x104/0x110 [ 6516.046321][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.046321][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.046321][ T903] netlink_unicast+0x449/0x710 [ 6516.046321][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.046321][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.046321][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.046321][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.046321][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.046321][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6516.046321][ T903] [ 6516.048416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6516.048416][ T903] netdev_get_by_index+0x5e/0x80 [ 6516.048416][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6516.048416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6516.048416][ T903] ip6_route_add+0x1c/0x140 [ 6516.048416][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6516.048416][ T903] inet6_addr_add+0x4f8/0xa40 [ 6516.048416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6516.048416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.048416][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.048416][ T903] netlink_unicast+0x449/0x710 [ 6516.048416][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.048416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.048416][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.048416][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.048416][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.048416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6516.048416][ T903] [ 6516.050624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6516.050624][ T903] netdev_get_by_index+0x5e/0x80 [ 6516.050624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6516.050624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6516.050624][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6516.050624][ T903] ipv6_add_addr+0x411/0x2000 [ 6516.050624][ T903] inet6_addr_add+0x30e/0xa40 [ 6516.050624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6516.050624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.050624][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.050624][ T903] netlink_unicast+0x449/0x710 [ 6516.050624][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.050624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.050624][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.050624][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.050624][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.050624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6516.050624][ T903] [ 6516.052843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6516.052843][ T903] netdev_get_by_index+0x5e/0x80 [ 6516.052843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6516.052843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6516.052843][ T903] ip6_route_add+0x1c/0x140 [ 6516.052843][ T903] addrconf_add_mroute+0x129/0x180 [ 6516.052843][ T903] addrconf_add_dev+0xe2/0x170 [ 6516.052843][ T903] inet6_addr_add+0x12f/0xa40 [ 6516.052843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6516.052843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.052843][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.052843][ T903] netlink_unicast+0x449/0x710 [ 6516.052843][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.052843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.052843][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.052843][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.052843][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.052843][ T903] [ 6516.055003][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6516.055003][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6516.055003][ T903] ipv6_find_idev+0x102/0x170 [ 6516.055003][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6516.055003][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.055003][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.055003][ T903] netlink_unicast+0x449/0x710 [ 6516.055003][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.055003][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.055003][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.055003][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.055003][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.055003][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6516.055003][ T903] [ 6516.056709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6516.056709][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6516.056709][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6516.056709][ T903] ipv6_find_idev+0x102/0x170 [ 6516.056709][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6516.056709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6516.056709][ T903] netlink_rcv_skb+0x130/0x360 [ 6516.056709][ T903] netlink_unicast+0x449/0x710 [ 6516.056709][ T903] netlink_sendmsg+0x723/0xbe0 [ 6516.056709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6516.056709][ T903] ___sys_sendmsg+0xee/0x170 [ 6516.056709][ T903] __sys_sendmsg+0xcd/0x170 [ 6516.056709][ T903] do_syscall_64+0xc6/0x1e0 [ 6516.056709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6516.056709][ T903] [ 6526.237750][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6526.238265][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6526.238265][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6526.238265][ T903] ip6_validate_gw+0x3eb/0x790 [ 6526.238265][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6526.238265][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6526.238265][ T903] ip6_route_add+0x1c/0x140 [ 6526.238265][ T903] inet6_rtm_newroute+0x104/0x110 [ 6526.238265][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.238265][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.238265][ T903] netlink_unicast+0x449/0x710 [ 6526.238265][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.238265][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.238265][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.238265][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.238265][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.238265][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6526.238265][ T903] [ 6526.240367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6526.240367][ T903] netdev_get_by_index+0x5e/0x80 [ 6526.240367][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6526.240367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6526.240367][ T903] ip6_route_add+0x1c/0x140 [ 6526.240367][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6526.240367][ T903] inet6_addr_add+0x4f8/0xa40 [ 6526.240367][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6526.240367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.240367][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.240367][ T903] netlink_unicast+0x449/0x710 [ 6526.240367][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.240367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.240367][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.240367][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.240367][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.240367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6526.240367][ T903] [ 6526.242569][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6526.242569][ T903] netdev_get_by_index+0x5e/0x80 [ 6526.242569][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6526.242569][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6526.242569][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6526.242569][ T903] ipv6_add_addr+0x411/0x2000 [ 6526.242569][ T903] inet6_addr_add+0x30e/0xa40 [ 6526.242569][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6526.242569][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.242569][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.242569][ T903] netlink_unicast+0x449/0x710 [ 6526.242569][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.242569][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.242569][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.242569][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.242569][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.242569][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6526.242569][ T903] [ 6526.244770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6526.244770][ T903] netdev_get_by_index+0x5e/0x80 [ 6526.244770][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6526.244770][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6526.244770][ T903] ip6_route_add+0x1c/0x140 [ 6526.244770][ T903] addrconf_add_mroute+0x129/0x180 [ 6526.244770][ T903] addrconf_add_dev+0xe2/0x170 [ 6526.244770][ T903] inet6_addr_add+0x12f/0xa40 [ 6526.244770][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6526.244770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.244770][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.244770][ T903] netlink_unicast+0x449/0x710 [ 6526.244770][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.244770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.244770][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.244770][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.244770][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.244770][ T903] [ 6526.246930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6526.246930][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6526.246930][ T903] ipv6_find_idev+0x102/0x170 [ 6526.246930][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6526.246930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.246930][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.246930][ T903] netlink_unicast+0x449/0x710 [ 6526.246930][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.246930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.246930][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.246930][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.246930][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.246930][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6526.246930][ T903] [ 6526.248631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6526.248631][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6526.248631][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6526.248631][ T903] ipv6_find_idev+0x102/0x170 [ 6526.248631][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6526.248631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6526.248631][ T903] netlink_rcv_skb+0x130/0x360 [ 6526.248631][ T903] netlink_unicast+0x449/0x710 [ 6526.248631][ T903] netlink_sendmsg+0x723/0xbe0 [ 6526.248631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6526.248631][ T903] ___sys_sendmsg+0xee/0x170 [ 6526.248631][ T903] __sys_sendmsg+0xcd/0x170 [ 6526.248631][ T903] do_syscall_64+0xc6/0x1e0 [ 6526.248631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6526.248631][ T903] [ 6536.485737][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6536.486273][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6536.486273][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6536.486273][ T903] ip6_validate_gw+0x3eb/0x790 [ 6536.486273][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6536.486273][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6536.486273][ T903] ip6_route_add+0x1c/0x140 [ 6536.486273][ T903] inet6_rtm_newroute+0x104/0x110 [ 6536.486273][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.486273][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.486273][ T903] netlink_unicast+0x449/0x710 [ 6536.486273][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.486273][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.486273][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.486273][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.486273][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.486273][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6536.486273][ T903] [ 6536.488389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6536.488389][ T903] netdev_get_by_index+0x5e/0x80 [ 6536.488389][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6536.488389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6536.488389][ T903] ip6_route_add+0x1c/0x140 [ 6536.488389][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6536.488389][ T903] inet6_addr_add+0x4f8/0xa40 [ 6536.488389][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6536.488389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.488389][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.488389][ T903] netlink_unicast+0x449/0x710 [ 6536.488389][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.488389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.488389][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.488389][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.488389][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.488389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6536.488389][ T903] [ 6536.490586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6536.490586][ T903] netdev_get_by_index+0x5e/0x80 [ 6536.490586][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6536.490586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6536.490586][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6536.490586][ T903] ipv6_add_addr+0x411/0x2000 [ 6536.490586][ T903] inet6_addr_add+0x30e/0xa40 [ 6536.490586][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6536.490586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.490586][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.490586][ T903] netlink_unicast+0x449/0x710 [ 6536.490586][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.490586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.490586][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.490586][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.490586][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.490586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6536.490586][ T903] [ 6536.492790][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6536.492790][ T903] netdev_get_by_index+0x5e/0x80 [ 6536.492790][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6536.492790][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6536.492790][ T903] ip6_route_add+0x1c/0x140 [ 6536.492790][ T903] addrconf_add_mroute+0x129/0x180 [ 6536.492790][ T903] addrconf_add_dev+0xe2/0x170 [ 6536.492790][ T903] inet6_addr_add+0x12f/0xa40 [ 6536.492790][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6536.492790][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.492790][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.492790][ T903] netlink_unicast+0x449/0x710 [ 6536.492790][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.492790][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.492790][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.492790][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.492790][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.492790][ T903] [ 6536.494955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6536.494955][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6536.494955][ T903] ipv6_find_idev+0x102/0x170 [ 6536.494955][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6536.494955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.494955][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.494955][ T903] netlink_unicast+0x449/0x710 [ 6536.494955][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.494955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.494955][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.494955][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.494955][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.494955][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6536.494955][ T903] [ 6536.496641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6536.496641][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6536.496641][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6536.496641][ T903] ipv6_find_idev+0x102/0x170 [ 6536.496641][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6536.496641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6536.496641][ T903] netlink_rcv_skb+0x130/0x360 [ 6536.496641][ T903] netlink_unicast+0x449/0x710 [ 6536.496641][ T903] netlink_sendmsg+0x723/0xbe0 [ 6536.496641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6536.496641][ T903] ___sys_sendmsg+0xee/0x170 [ 6536.496641][ T903] __sys_sendmsg+0xcd/0x170 [ 6536.496641][ T903] do_syscall_64+0xc6/0x1e0 [ 6536.496641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6536.496641][ T903] [ 6546.733823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6546.734340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6546.734340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6546.734340][ T903] ip6_validate_gw+0x3eb/0x790 [ 6546.734340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6546.734340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6546.734340][ T903] ip6_route_add+0x1c/0x140 [ 6546.734340][ T903] inet6_rtm_newroute+0x104/0x110 [ 6546.734340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.734340][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.734340][ T903] netlink_unicast+0x449/0x710 [ 6546.734340][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.734340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.734340][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.734340][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.734340][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.734340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.734340][ T903] [ 6546.736465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6546.736465][ T903] netdev_get_by_index+0x5e/0x80 [ 6546.736465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6546.736465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6546.736465][ T903] ip6_route_add+0x1c/0x140 [ 6546.736465][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6546.736465][ T903] inet6_addr_add+0x4f8/0xa40 [ 6546.736465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.736465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.736465][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.736465][ T903] netlink_unicast+0x449/0x710 [ 6546.736465][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.736465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.736465][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.736465][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.736465][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.736465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.736465][ T903] [ 6546.738694][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6546.738694][ T903] netdev_get_by_index+0x5e/0x80 [ 6546.738694][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6546.738694][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6546.738694][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6546.738694][ T903] ipv6_add_addr+0x411/0x2000 [ 6546.738694][ T903] inet6_addr_add+0x30e/0xa40 [ 6546.738694][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.738694][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.738694][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.738694][ T903] netlink_unicast+0x449/0x710 [ 6546.738694][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.738694][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.738694][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.738694][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.738694][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.738694][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.738694][ T903] [ 6546.740921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6546.740921][ T903] netdev_get_by_index+0x5e/0x80 [ 6546.740921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6546.740921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6546.740921][ T903] ip6_route_add+0x1c/0x140 [ 6546.740921][ T903] addrconf_add_mroute+0x129/0x180 [ 6546.740921][ T903] addrconf_add_dev+0xe2/0x170 [ 6546.740921][ T903] inet6_addr_add+0x12f/0xa40 [ 6546.740921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6546.740921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.740921][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.740921][ T903] netlink_unicast+0x449/0x710 [ 6546.740921][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.740921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.740921][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.740921][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.740921][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.740921][ T903] [ 6546.743118][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6546.743118][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6546.743118][ T903] ipv6_find_idev+0x102/0x170 [ 6546.743118][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6546.743118][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.743118][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.743118][ T903] netlink_unicast+0x449/0x710 [ 6546.743118][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.743118][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.743118][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.743118][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.743118][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.743118][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.743118][ T903] [ 6546.744831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6546.744831][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6546.744831][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6546.744831][ T903] ipv6_find_idev+0x102/0x170 [ 6546.744831][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6546.744831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6546.744831][ T903] netlink_rcv_skb+0x130/0x360 [ 6546.744831][ T903] netlink_unicast+0x449/0x710 [ 6546.744831][ T903] netlink_sendmsg+0x723/0xbe0 [ 6546.744831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6546.744831][ T903] ___sys_sendmsg+0xee/0x170 [ 6546.744831][ T903] __sys_sendmsg+0xcd/0x170 [ 6546.744831][ T903] do_syscall_64+0xc6/0x1e0 [ 6546.744831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6546.744831][ T903] [ 6556.989818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6556.990362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6556.990362][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6556.990362][ T903] ip6_validate_gw+0x3eb/0x790 [ 6556.990362][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6556.990362][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6556.990362][ T903] ip6_route_add+0x1c/0x140 [ 6556.990362][ T903] inet6_rtm_newroute+0x104/0x110 [ 6556.990362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6556.990362][ T903] netlink_rcv_skb+0x130/0x360 [ 6556.990362][ T903] netlink_unicast+0x449/0x710 [ 6556.990362][ T903] netlink_sendmsg+0x723/0xbe0 [ 6556.990362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6556.990362][ T903] ___sys_sendmsg+0xee/0x170 [ 6556.990362][ T903] __sys_sendmsg+0xcd/0x170 [ 6556.990362][ T903] do_syscall_64+0xc6/0x1e0 [ 6556.990362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6556.990362][ T903] [ 6557.019340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6557.019340][ T903] netdev_get_by_index+0x5e/0x80 [ 6557.019340][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6557.019340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6557.019340][ T903] ip6_route_add+0x1c/0x140 [ 6557.019340][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6557.019340][ T903] inet6_addr_add+0x4f8/0xa40 [ 6557.019340][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6557.019340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6557.019340][ T903] netlink_rcv_skb+0x130/0x360 [ 6557.019340][ T903] netlink_unicast+0x449/0x710 [ 6557.019340][ T903] netlink_sendmsg+0x723/0xbe0 [ 6557.019340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6557.019340][ T903] ___sys_sendmsg+0xee/0x170 [ 6557.019340][ T903] __sys_sendmsg+0xcd/0x170 [ 6557.019340][ T903] do_syscall_64+0xc6/0x1e0 [ 6557.019340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6557.019340][ T903] [ 6557.021566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6557.021566][ T903] netdev_get_by_index+0x5e/0x80 [ 6557.021566][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6557.021566][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6557.021566][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6557.021566][ T903] ipv6_add_addr+0x411/0x2000 [ 6557.021566][ T903] inet6_addr_add+0x30e/0xa40 [ 6557.021566][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6557.021566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6557.021566][ T903] netlink_rcv_skb+0x130/0x360 [ 6557.021566][ T903] netlink_unicast+0x449/0x710 [ 6557.021566][ T903] netlink_sendmsg+0x723/0xbe0 [ 6557.021566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6557.021566][ T903] ___sys_sendmsg+0xee/0x170 [ 6557.021566][ T903] __sys_sendmsg+0xcd/0x170 [ 6557.021566][ T903] do_syscall_64+0xc6/0x1e0 [ 6557.021566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6557.021566][ T903] [ 6557.023795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6557.023795][ T903] netdev_get_by_index+0x5e/0x80 [ 6557.023795][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6557.023795][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6557.023795][ T903] ip6_route_add+0x1c/0x140 [ 6557.023795][ T903] addrconf_add_mroute+0x129/0x180 [ 6557.023795][ T903] addrconf_add_dev+0xe2/0x170 [ 6557.023795][ T903] inet6_addr_add+0x12f/0xa40 [ 6557.023795][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6557.023795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6557.023795][ T903] netlink_rcv_skb+0x130/0x360 [ 6557.023795][ T903] netlink_unicast+0x449/0x710 [ 6557.023795][ T903] netlink_sendmsg+0x723/0xbe0 [ 6557.023795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6557.023795][ T903] ___sys_sendmsg+0xee/0x170 [ 6557.023795][ T903] __sys_sendmsg+0xcd/0x170 [ 6557.023795][ T903] do_syscall_64+0xc6/0x1e0 [ 6557.023795][ T903] [ 6557.025978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6557.025978][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6557.025978][ T903] ipv6_find_idev+0x102/0x170 [ 6557.025978][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6557.025978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6557.025978][ T903] netlink_rcv_skb+0x130/0x360 [ 6557.025978][ T903] netlink_unicast+0x449/0x710 [ 6557.025978][ T903] netlink_sendmsg+0x723/0xbe0 [ 6557.025978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6557.025978][ T903] ___sys_sendmsg+0xee/0x170 [ 6557.025978][ T903] __sys_sendmsg+0xcd/0x170 [ 6557.025978][ T903] do_syscall_64+0xc6/0x1e0 [ 6557.025978][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6557.025978][ T903] [ 6557.027689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6557.027689][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6557.027689][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6557.027689][ T903] ipv6_find_idev+0x102/0x170 [ 6557.027689][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6557.027689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6557.027689][ T903] netlink_rcv_skb+0x130/0x360 [ 6557.027689][ T903] netlink_unicast+0x449/0x710 [ 6557.027689][ T903] netlink_sendmsg+0x723/0xbe0 [ 6557.027689][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6557.027689][ T903] ___sys_sendmsg+0xee/0x170 [ 6557.027689][ T903] __sys_sendmsg+0xcd/0x170 [ 6557.027689][ T903] do_syscall_64+0xc6/0x1e0 [ 6557.027689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6557.027689][ T903] [ 6567.269819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6567.270335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6567.270335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6567.270335][ T903] ip6_validate_gw+0x3eb/0x790 [ 6567.270335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6567.270335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6567.270335][ T903] ip6_route_add+0x1c/0x140 [ 6567.270335][ T903] inet6_rtm_newroute+0x104/0x110 [ 6567.270335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.270335][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.270335][ T903] netlink_unicast+0x449/0x710 [ 6567.270335][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.270335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.270335][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.270335][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.270335][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.270335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6567.270335][ T903] [ 6567.272493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6567.272493][ T903] netdev_get_by_index+0x5e/0x80 [ 6567.272493][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6567.272493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6567.272493][ T903] ip6_route_add+0x1c/0x140 [ 6567.272493][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6567.272493][ T903] inet6_addr_add+0x4f8/0xa40 [ 6567.272493][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6567.272493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.272493][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.272493][ T903] netlink_unicast+0x449/0x710 [ 6567.272493][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.272493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.272493][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.272493][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.272493][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.272493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6567.272493][ T903] [ 6567.274741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6567.274741][ T903] netdev_get_by_index+0x5e/0x80 [ 6567.274741][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6567.274741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6567.274741][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6567.274741][ T903] ipv6_add_addr+0x411/0x2000 [ 6567.274741][ T903] inet6_addr_add+0x30e/0xa40 [ 6567.274741][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6567.274741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.274741][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.274741][ T903] netlink_unicast+0x449/0x710 [ 6567.274741][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.274741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.274741][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.274741][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.274741][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.274741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6567.274741][ T903] [ 6567.276988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6567.276988][ T903] netdev_get_by_index+0x5e/0x80 [ 6567.276988][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6567.276988][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6567.276988][ T903] ip6_route_add+0x1c/0x140 [ 6567.276988][ T903] addrconf_add_mroute+0x129/0x180 [ 6567.276988][ T903] addrconf_add_dev+0xe2/0x170 [ 6567.276988][ T903] inet6_addr_add+0x12f/0xa40 [ 6567.276988][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6567.276988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.276988][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.276988][ T903] netlink_unicast+0x449/0x710 [ 6567.276988][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.276988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.276988][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.276988][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.276988][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.276988][ T903] [ 6567.279206][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6567.279206][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6567.279206][ T903] ipv6_find_idev+0x102/0x170 [ 6567.279206][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6567.279206][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.279206][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.279206][ T903] netlink_unicast+0x449/0x710 [ 6567.279206][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.279206][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.279206][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.279206][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.279206][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.279206][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6567.279206][ T903] [ 6567.280944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6567.280944][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6567.280944][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6567.280944][ T903] ipv6_find_idev+0x102/0x170 [ 6567.280944][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6567.280944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6567.280944][ T903] netlink_rcv_skb+0x130/0x360 [ 6567.280944][ T903] netlink_unicast+0x449/0x710 [ 6567.280944][ T903] netlink_sendmsg+0x723/0xbe0 [ 6567.280944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6567.280944][ T903] ___sys_sendmsg+0xee/0x170 [ 6567.280944][ T903] __sys_sendmsg+0xcd/0x170 [ 6567.280944][ T903] do_syscall_64+0xc6/0x1e0 [ 6567.280944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6567.280944][ T903] [ 6577.525817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6577.526377][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6577.526377][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6577.526377][ T903] ip6_validate_gw+0x3eb/0x790 [ 6577.526377][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6577.526377][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6577.526377][ T903] ip6_route_add+0x1c/0x140 [ 6577.526377][ T903] inet6_rtm_newroute+0x104/0x110 [ 6577.526377][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.526377][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.526377][ T903] netlink_unicast+0x449/0x710 [ 6577.526377][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.526377][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.526377][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.526377][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.526377][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.526377][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6577.526377][ T903] [ 6577.528512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6577.528512][ T903] netdev_get_by_index+0x5e/0x80 [ 6577.528512][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6577.528512][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6577.528512][ T903] ip6_route_add+0x1c/0x140 [ 6577.528512][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6577.528512][ T903] inet6_addr_add+0x4f8/0xa40 [ 6577.528512][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6577.528512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.528512][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.528512][ T903] netlink_unicast+0x449/0x710 [ 6577.528512][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.528512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.528512][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.528512][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.528512][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.528512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6577.528512][ T903] [ 6577.530737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6577.530737][ T903] netdev_get_by_index+0x5e/0x80 [ 6577.530737][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6577.530737][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6577.530737][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6577.530737][ T903] ipv6_add_addr+0x411/0x2000 [ 6577.530737][ T903] inet6_addr_add+0x30e/0xa40 [ 6577.530737][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6577.530737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.530737][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.530737][ T903] netlink_unicast+0x449/0x710 [ 6577.530737][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.530737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.530737][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.530737][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.530737][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.530737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6577.530737][ T903] [ 6577.532970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6577.532970][ T903] netdev_get_by_index+0x5e/0x80 [ 6577.532970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6577.532970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6577.532970][ T903] ip6_route_add+0x1c/0x140 [ 6577.532970][ T903] addrconf_add_mroute+0x129/0x180 [ 6577.532970][ T903] addrconf_add_dev+0xe2/0x170 [ 6577.532970][ T903] inet6_addr_add+0x12f/0xa40 [ 6577.532970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6577.532970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.532970][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.532970][ T903] netlink_unicast+0x449/0x710 [ 6577.532970][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.532970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.532970][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.532970][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.532970][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.532970][ T903] [ 6577.535150][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6577.535150][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6577.535150][ T903] ipv6_find_idev+0x102/0x170 [ 6577.535150][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6577.535150][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.535150][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.535150][ T903] netlink_unicast+0x449/0x710 [ 6577.535150][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.535150][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.535150][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.535150][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.535150][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.535150][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6577.535150][ T903] [ 6577.536947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6577.536947][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6577.536947][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6577.536947][ T903] ipv6_find_idev+0x102/0x170 [ 6577.536947][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6577.536947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6577.536947][ T903] netlink_rcv_skb+0x130/0x360 [ 6577.536947][ T903] netlink_unicast+0x449/0x710 [ 6577.536947][ T903] netlink_sendmsg+0x723/0xbe0 [ 6577.536947][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6577.536947][ T903] ___sys_sendmsg+0xee/0x170 [ 6577.536947][ T903] __sys_sendmsg+0xcd/0x170 [ 6577.536947][ T903] do_syscall_64+0xc6/0x1e0 [ 6577.536947][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6577.536947][ T903] [ 6587.541828][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6587.542360][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6587.542360][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6587.542360][ T903] ip6_validate_gw+0x3eb/0x790 [ 6587.542360][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6587.542360][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6587.542360][ T903] ip6_route_add+0x1c/0x140 [ 6587.542360][ T903] inet6_rtm_newroute+0x104/0x110 [ 6587.542360][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.542360][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.542360][ T903] netlink_unicast+0x449/0x710 [ 6587.542360][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.542360][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.542360][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.542360][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.542360][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.542360][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.542360][ T903] [ 6587.544494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6587.544494][ T903] netdev_get_by_index+0x5e/0x80 [ 6587.544494][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6587.544494][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6587.544494][ T903] ip6_route_add+0x1c/0x140 [ 6587.544494][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6587.544494][ T903] inet6_addr_add+0x4f8/0xa40 [ 6587.544494][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.544494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.544494][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.544494][ T903] netlink_unicast+0x449/0x710 [ 6587.544494][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.544494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.544494][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.544494][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.544494][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.544494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.544494][ T903] [ 6587.546717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6587.546717][ T903] netdev_get_by_index+0x5e/0x80 [ 6587.546717][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6587.546717][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6587.546717][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6587.546717][ T903] ipv6_add_addr+0x411/0x2000 [ 6587.546717][ T903] inet6_addr_add+0x30e/0xa40 [ 6587.546717][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.546717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.546717][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.546717][ T903] netlink_unicast+0x449/0x710 [ 6587.546717][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.546717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.546717][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.546717][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.546717][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.546717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.546717][ T903] [ 6587.548948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6587.548948][ T903] netdev_get_by_index+0x5e/0x80 [ 6587.548948][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6587.548948][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6587.548948][ T903] ip6_route_add+0x1c/0x140 [ 6587.548948][ T903] addrconf_add_mroute+0x129/0x180 [ 6587.548948][ T903] addrconf_add_dev+0xe2/0x170 [ 6587.548948][ T903] inet6_addr_add+0x12f/0xa40 [ 6587.548948][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6587.548948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.548948][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.548948][ T903] netlink_unicast+0x449/0x710 [ 6587.548948][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.548948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.548948][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.548948][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.548948][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.548948][ T903] [ 6587.551131][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6587.551131][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6587.551131][ T903] ipv6_find_idev+0x102/0x170 [ 6587.551131][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6587.551131][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.551131][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.551131][ T903] netlink_unicast+0x449/0x710 [ 6587.551131][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.551131][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.551131][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.551131][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.551131][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.551131][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.551131][ T903] [ 6587.552851][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6587.552851][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6587.552851][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6587.552851][ T903] ipv6_find_idev+0x102/0x170 [ 6587.552851][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6587.552851][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6587.552851][ T903] netlink_rcv_skb+0x130/0x360 [ 6587.552851][ T903] netlink_unicast+0x449/0x710 [ 6587.552851][ T903] netlink_sendmsg+0x723/0xbe0 [ 6587.552851][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6587.552851][ T903] ___sys_sendmsg+0xee/0x170 [ 6587.552851][ T903] __sys_sendmsg+0xcd/0x170 [ 6587.552851][ T903] do_syscall_64+0xc6/0x1e0 [ 6587.552851][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6587.552851][ T903] [ 6597.781874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6597.782422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6597.782422][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6597.782422][ T903] ip6_validate_gw+0x3eb/0x790 [ 6597.782422][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6597.782422][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6597.782422][ T903] ip6_route_add+0x1c/0x140 [ 6597.782422][ T903] inet6_rtm_newroute+0x104/0x110 [ 6597.782422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.782422][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.782422][ T903] netlink_unicast+0x449/0x710 [ 6597.782422][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.782422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.782422][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.782422][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.782422][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.782422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.782422][ T903] [ 6597.784552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6597.784552][ T903] netdev_get_by_index+0x5e/0x80 [ 6597.784552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6597.784552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6597.784552][ T903] ip6_route_add+0x1c/0x140 [ 6597.784552][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6597.784552][ T903] inet6_addr_add+0x4f8/0xa40 [ 6597.784552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.784552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.784552][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.784552][ T903] netlink_unicast+0x449/0x710 [ 6597.784552][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.784552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.784552][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.784552][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.784552][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.784552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.784552][ T903] [ 6597.813118][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6597.813118][ T903] netdev_get_by_index+0x5e/0x80 [ 6597.813118][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6597.813118][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6597.813118][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6597.813118][ T903] ipv6_add_addr+0x411/0x2000 [ 6597.813118][ T903] inet6_addr_add+0x30e/0xa40 [ 6597.813118][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.813118][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.813118][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.813118][ T903] netlink_unicast+0x449/0x710 [ 6597.813118][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.813118][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.813118][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.813118][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.813118][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.813118][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.813118][ T903] [ 6597.815339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6597.815339][ T903] netdev_get_by_index+0x5e/0x80 [ 6597.815339][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6597.815339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6597.815339][ T903] ip6_route_add+0x1c/0x140 [ 6597.815339][ T903] addrconf_add_mroute+0x129/0x180 [ 6597.815339][ T903] addrconf_add_dev+0xe2/0x170 [ 6597.815339][ T903] inet6_addr_add+0x12f/0xa40 [ 6597.815339][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6597.815339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.815339][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.815339][ T903] netlink_unicast+0x449/0x710 [ 6597.815339][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.815339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.815339][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.815339][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.815339][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.815339][ T903] [ 6597.817515][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6597.817515][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6597.817515][ T903] ipv6_find_idev+0x102/0x170 [ 6597.817515][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6597.817515][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.817515][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.817515][ T903] netlink_unicast+0x449/0x710 [ 6597.817515][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.817515][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.817515][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.817515][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.817515][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.817515][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.817515][ T903] [ 6597.819205][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6597.819205][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6597.819205][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6597.819205][ T903] ipv6_find_idev+0x102/0x170 [ 6597.819205][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6597.819205][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6597.819205][ T903] netlink_rcv_skb+0x130/0x360 [ 6597.819205][ T903] netlink_unicast+0x449/0x710 [ 6597.819205][ T903] netlink_sendmsg+0x723/0xbe0 [ 6597.819205][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6597.819205][ T903] ___sys_sendmsg+0xee/0x170 [ 6597.819205][ T903] __sys_sendmsg+0xcd/0x170 [ 6597.819205][ T903] do_syscall_64+0xc6/0x1e0 [ 6597.819205][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6597.819205][ T903] [ 6608.061790][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6608.062302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6608.062302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6608.062302][ T903] ip6_validate_gw+0x3eb/0x790 [ 6608.062302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6608.062302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6608.062302][ T903] ip6_route_add+0x1c/0x140 [ 6608.062302][ T903] inet6_rtm_newroute+0x104/0x110 [ 6608.062302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.062302][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.062302][ T903] netlink_unicast+0x449/0x710 [ 6608.062302][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.062302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.062302][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.062302][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.062302][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.062302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6608.062302][ T903] [ 6608.064427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6608.064427][ T903] netdev_get_by_index+0x5e/0x80 [ 6608.064427][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6608.064427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6608.064427][ T903] ip6_route_add+0x1c/0x140 [ 6608.064427][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6608.064427][ T903] inet6_addr_add+0x4f8/0xa40 [ 6608.064427][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6608.064427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.064427][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.064427][ T903] netlink_unicast+0x449/0x710 [ 6608.064427][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.064427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.064427][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.064427][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.064427][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.064427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6608.064427][ T903] [ 6608.066643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6608.066643][ T903] netdev_get_by_index+0x5e/0x80 [ 6608.066643][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6608.066643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6608.066643][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6608.066643][ T903] ipv6_add_addr+0x411/0x2000 [ 6608.066643][ T903] inet6_addr_add+0x30e/0xa40 [ 6608.066643][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6608.066643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.066643][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.066643][ T903] netlink_unicast+0x449/0x710 [ 6608.066643][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.066643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.066643][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.066643][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.066643][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.066643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6608.066643][ T903] [ 6608.068866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6608.068866][ T903] netdev_get_by_index+0x5e/0x80 [ 6608.068866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6608.068866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6608.068866][ T903] ip6_route_add+0x1c/0x140 [ 6608.068866][ T903] addrconf_add_mroute+0x129/0x180 [ 6608.068866][ T903] addrconf_add_dev+0xe2/0x170 [ 6608.068866][ T903] inet6_addr_add+0x12f/0xa40 [ 6608.068866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6608.068866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.068866][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.068866][ T903] netlink_unicast+0x449/0x710 [ 6608.068866][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.068866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.068866][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.068866][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.068866][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.068866][ T903] [ 6608.071045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6608.071045][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6608.071045][ T903] ipv6_find_idev+0x102/0x170 [ 6608.071045][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6608.071045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.071045][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.071045][ T903] netlink_unicast+0x449/0x710 [ 6608.071045][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.071045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.071045][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.071045][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.071045][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.071045][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6608.071045][ T903] [ 6608.072763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6608.072763][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6608.072763][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6608.072763][ T903] ipv6_find_idev+0x102/0x170 [ 6608.072763][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6608.072763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6608.072763][ T903] netlink_rcv_skb+0x130/0x360 [ 6608.072763][ T903] netlink_unicast+0x449/0x710 [ 6608.072763][ T903] netlink_sendmsg+0x723/0xbe0 [ 6608.072763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6608.072763][ T903] ___sys_sendmsg+0xee/0x170 [ 6608.072763][ T903] __sys_sendmsg+0xcd/0x170 [ 6608.072763][ T903] do_syscall_64+0xc6/0x1e0 [ 6608.072763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6608.072763][ T903] [ 6618.317802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6618.318323][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6618.318323][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6618.318323][ T903] ip6_validate_gw+0x3eb/0x790 [ 6618.318323][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6618.318323][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6618.318323][ T903] ip6_route_add+0x1c/0x140 [ 6618.318323][ T903] inet6_rtm_newroute+0x104/0x110 [ 6618.318323][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.318323][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.318323][ T903] netlink_unicast+0x449/0x710 [ 6618.318323][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.318323][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.318323][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.318323][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.318323][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.318323][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6618.318323][ T903] [ 6618.320495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6618.320495][ T903] netdev_get_by_index+0x5e/0x80 [ 6618.320495][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6618.320495][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6618.320495][ T903] ip6_route_add+0x1c/0x140 [ 6618.320495][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6618.320495][ T903] inet6_addr_add+0x4f8/0xa40 [ 6618.320495][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6618.320495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.320495][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.320495][ T903] netlink_unicast+0x449/0x710 [ 6618.320495][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.320495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.320495][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.320495][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.320495][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.320495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6618.320495][ T903] [ 6618.322749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6618.322749][ T903] netdev_get_by_index+0x5e/0x80 [ 6618.322749][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6618.322749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6618.322749][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6618.322749][ T903] ipv6_add_addr+0x411/0x2000 [ 6618.322749][ T903] inet6_addr_add+0x30e/0xa40 [ 6618.322749][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6618.322749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.322749][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.322749][ T903] netlink_unicast+0x449/0x710 [ 6618.322749][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.322749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.322749][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.322749][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.322749][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.322749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6618.322749][ T903] [ 6618.324969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6618.324969][ T903] netdev_get_by_index+0x5e/0x80 [ 6618.324969][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6618.324969][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6618.324969][ T903] ip6_route_add+0x1c/0x140 [ 6618.324969][ T903] addrconf_add_mroute+0x129/0x180 [ 6618.324969][ T903] addrconf_add_dev+0xe2/0x170 [ 6618.324969][ T903] inet6_addr_add+0x12f/0xa40 [ 6618.324969][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6618.324969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.324969][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.324969][ T903] netlink_unicast+0x449/0x710 [ 6618.324969][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.324969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.324969][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.324969][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.324969][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.324969][ T903] [ 6618.327153][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6618.327153][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6618.327153][ T903] ipv6_find_idev+0x102/0x170 [ 6618.327153][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6618.327153][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.327153][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.327153][ T903] netlink_unicast+0x449/0x710 [ 6618.327153][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.327153][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.327153][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.327153][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.327153][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.327153][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6618.327153][ T903] [ 6618.328870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6618.328870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6618.328870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6618.328870][ T903] ipv6_find_idev+0x102/0x170 [ 6618.328870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6618.328870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6618.328870][ T903] netlink_rcv_skb+0x130/0x360 [ 6618.328870][ T903] netlink_unicast+0x449/0x710 [ 6618.328870][ T903] netlink_sendmsg+0x723/0xbe0 [ 6618.328870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6618.328870][ T903] ___sys_sendmsg+0xee/0x170 [ 6618.328870][ T903] __sys_sendmsg+0xcd/0x170 [ 6618.328870][ T903] do_syscall_64+0xc6/0x1e0 [ 6618.328870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6618.328870][ T903] [ 6628.573949][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6628.574730][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6628.574730][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6628.574730][ T903] ip6_validate_gw+0x3eb/0x790 [ 6628.574730][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6628.574730][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6628.574730][ T903] ip6_route_add+0x1c/0x140 [ 6628.574730][ T903] inet6_rtm_newroute+0x104/0x110 [ 6628.574730][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.574730][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.574730][ T903] netlink_unicast+0x449/0x710 [ 6628.574730][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.574730][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.574730][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.574730][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.574730][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.574730][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6628.574730][ T903] [ 6628.576818][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6628.576818][ T903] netdev_get_by_index+0x5e/0x80 [ 6628.576818][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6628.576818][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6628.576818][ T903] ip6_route_add+0x1c/0x140 [ 6628.576818][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6628.576818][ T903] inet6_addr_add+0x4f8/0xa40 [ 6628.576818][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6628.576818][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.576818][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.576818][ T903] netlink_unicast+0x449/0x710 [ 6628.576818][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.576818][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.576818][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.576818][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.576818][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.576818][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6628.576818][ T903] [ 6628.579095][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6628.579095][ T903] netdev_get_by_index+0x5e/0x80 [ 6628.579095][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6628.579095][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6628.579095][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6628.579095][ T903] ipv6_add_addr+0x411/0x2000 [ 6628.579095][ T903] inet6_addr_add+0x30e/0xa40 [ 6628.579095][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6628.579095][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.579095][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.579095][ T903] netlink_unicast+0x449/0x710 [ 6628.579095][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.579095][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.579095][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.579095][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.579095][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.579095][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6628.579095][ T903] [ 6628.581163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6628.581163][ T903] netdev_get_by_index+0x5e/0x80 [ 6628.581163][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6628.581163][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6628.581163][ T903] ip6_route_add+0x1c/0x140 [ 6628.581163][ T903] addrconf_add_mroute+0x129/0x180 [ 6628.581163][ T903] addrconf_add_dev+0xe2/0x170 [ 6628.581163][ T903] inet6_addr_add+0x12f/0xa40 [ 6628.581163][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6628.581163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.581163][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.581163][ T903] netlink_unicast+0x449/0x710 [ 6628.581163][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.581163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.581163][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.581163][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.581163][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.581163][ T903] [ 6628.583464][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6628.583464][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6628.583464][ T903] ipv6_find_idev+0x102/0x170 [ 6628.583464][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6628.583464][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.583464][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.583464][ T903] netlink_unicast+0x449/0x710 [ 6628.583464][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.583464][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.583464][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.583464][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.583464][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.583464][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6628.583464][ T903] [ 6628.585150][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6628.585150][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6628.585150][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6628.585150][ T903] ipv6_find_idev+0x102/0x170 [ 6628.585150][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6628.585150][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6628.585150][ T903] netlink_rcv_skb+0x130/0x360 [ 6628.585150][ T903] netlink_unicast+0x449/0x710 [ 6628.585150][ T903] netlink_sendmsg+0x723/0xbe0 [ 6628.585150][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6628.585150][ T903] ___sys_sendmsg+0xee/0x170 [ 6628.585150][ T903] __sys_sendmsg+0xcd/0x170 [ 6628.585150][ T903] do_syscall_64+0xc6/0x1e0 [ 6628.585150][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6628.585150][ T903] [ 6638.829807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6638.830345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6638.830345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6638.830345][ T903] ip6_validate_gw+0x3eb/0x790 [ 6638.830345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6638.830345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6638.830345][ T903] ip6_route_add+0x1c/0x140 [ 6638.830345][ T903] inet6_rtm_newroute+0x104/0x110 [ 6638.830345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.830345][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.830345][ T903] netlink_unicast+0x449/0x710 [ 6638.830345][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.830345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.830345][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.830345][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.830345][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.830345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.830345][ T903] [ 6638.832490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6638.832490][ T903] netdev_get_by_index+0x5e/0x80 [ 6638.832490][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6638.832490][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6638.832490][ T903] ip6_route_add+0x1c/0x140 [ 6638.832490][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6638.832490][ T903] inet6_addr_add+0x4f8/0xa40 [ 6638.832490][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.832490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.832490][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.832490][ T903] netlink_unicast+0x449/0x710 [ 6638.832490][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.832490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.832490][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.832490][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.832490][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.832490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.832490][ T903] [ 6638.834719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6638.834719][ T903] netdev_get_by_index+0x5e/0x80 [ 6638.834719][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6638.834719][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6638.834719][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6638.834719][ T903] ipv6_add_addr+0x411/0x2000 [ 6638.834719][ T903] inet6_addr_add+0x30e/0xa40 [ 6638.834719][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.834719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.834719][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.834719][ T903] netlink_unicast+0x449/0x710 [ 6638.834719][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.834719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.834719][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.834719][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.834719][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.834719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.834719][ T903] [ 6638.836976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6638.836976][ T903] netdev_get_by_index+0x5e/0x80 [ 6638.836976][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6638.836976][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6638.836976][ T903] ip6_route_add+0x1c/0x140 [ 6638.836976][ T903] addrconf_add_mroute+0x129/0x180 [ 6638.836976][ T903] addrconf_add_dev+0xe2/0x170 [ 6638.836976][ T903] inet6_addr_add+0x12f/0xa40 [ 6638.836976][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6638.836976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.836976][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.836976][ T903] netlink_unicast+0x449/0x710 [ 6638.836976][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.836976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.836976][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.836976][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.836976][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.836976][ T903] [ 6638.839163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6638.839163][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6638.839163][ T903] ipv6_find_idev+0x102/0x170 [ 6638.839163][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6638.839163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.839163][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.839163][ T903] netlink_unicast+0x449/0x710 [ 6638.839163][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.839163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.839163][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.839163][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.839163][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.839163][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.839163][ T903] [ 6638.840873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6638.840873][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6638.840873][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6638.840873][ T903] ipv6_find_idev+0x102/0x170 [ 6638.840873][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6638.840873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6638.840873][ T903] netlink_rcv_skb+0x130/0x360 [ 6638.840873][ T903] netlink_unicast+0x449/0x710 [ 6638.840873][ T903] netlink_sendmsg+0x723/0xbe0 [ 6638.840873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6638.840873][ T903] ___sys_sendmsg+0xee/0x170 [ 6638.840873][ T903] __sys_sendmsg+0xcd/0x170 [ 6638.840873][ T903] do_syscall_64+0xc6/0x1e0 [ 6638.840873][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6638.840873][ T903] [ 6649.085875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6649.086665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6649.086665][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6649.086665][ T903] ip6_validate_gw+0x3eb/0x790 [ 6649.086665][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6649.086665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6649.086665][ T903] ip6_route_add+0x1c/0x140 [ 6649.086665][ T903] inet6_rtm_newroute+0x104/0x110 [ 6649.086665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.086665][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.086665][ T903] netlink_unicast+0x449/0x710 [ 6649.086665][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.086665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.086665][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.086665][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.086665][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.086665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6649.086665][ T903] [ 6649.088653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6649.088653][ T903] netdev_get_by_index+0x5e/0x80 [ 6649.088653][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6649.088653][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6649.088653][ T903] ip6_route_add+0x1c/0x140 [ 6649.088653][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6649.088653][ T903] inet6_addr_add+0x4f8/0xa40 [ 6649.088653][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6649.088653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.088653][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.088653][ T903] netlink_unicast+0x449/0x710 [ 6649.088653][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.088653][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.088653][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.088653][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.088653][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.088653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6649.088653][ T903] [ 6649.090800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6649.090800][ T903] netdev_get_by_index+0x5e/0x80 [ 6649.090800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6649.090800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6649.090800][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6649.090800][ T903] ipv6_add_addr+0x411/0x2000 [ 6649.090800][ T903] inet6_addr_add+0x30e/0xa40 [ 6649.090800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6649.090800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.090800][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.090800][ T903] netlink_unicast+0x449/0x710 [ 6649.090800][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.090800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.090800][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.090800][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.090800][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.090800][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6649.090800][ T903] [ 6649.092953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6649.092953][ T903] netdev_get_by_index+0x5e/0x80 [ 6649.092953][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6649.092953][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6649.092953][ T903] ip6_route_add+0x1c/0x140 [ 6649.092953][ T903] addrconf_add_mroute+0x129/0x180 [ 6649.092953][ T903] addrconf_add_dev+0xe2/0x170 [ 6649.092953][ T903] inet6_addr_add+0x12f/0xa40 [ 6649.092953][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6649.092953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.092953][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.092953][ T903] netlink_unicast+0x449/0x710 [ 6649.092953][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.092953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.092953][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.092953][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.092953][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.092953][ T903] [ 6649.094982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6649.094982][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6649.094982][ T903] ipv6_find_idev+0x102/0x170 [ 6649.094982][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6649.094982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.094982][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.094982][ T903] netlink_unicast+0x449/0x710 [ 6649.094982][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.094982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.094982][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.094982][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.094982][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.094982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6649.094982][ T903] [ 6649.096624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6649.096624][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6649.096624][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6649.096624][ T903] ipv6_find_idev+0x102/0x170 [ 6649.096624][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6649.096624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6649.096624][ T903] netlink_rcv_skb+0x130/0x360 [ 6649.096624][ T903] netlink_unicast+0x449/0x710 [ 6649.096624][ T903] netlink_sendmsg+0x723/0xbe0 [ 6649.096624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6649.096624][ T903] ___sys_sendmsg+0xee/0x170 [ 6649.096624][ T903] __sys_sendmsg+0xcd/0x170 [ 6649.096624][ T903] do_syscall_64+0xc6/0x1e0 [ 6649.096624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6649.096624][ T903] [ 6659.349841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6659.350376][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6659.350376][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6659.350376][ T903] ip6_validate_gw+0x3eb/0x790 [ 6659.350376][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6659.350376][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6659.350376][ T903] ip6_route_add+0x1c/0x140 [ 6659.350376][ T903] inet6_rtm_newroute+0x104/0x110 [ 6659.350376][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.350376][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.350376][ T903] netlink_unicast+0x449/0x710 [ 6659.350376][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.350376][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.350376][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.350376][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.350376][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.350376][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6659.350376][ T903] [ 6659.352512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6659.352512][ T903] netdev_get_by_index+0x5e/0x80 [ 6659.352512][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6659.352512][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6659.352512][ T903] ip6_route_add+0x1c/0x140 [ 6659.352512][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6659.352512][ T903] inet6_addr_add+0x4f8/0xa40 [ 6659.352512][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6659.352512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.352512][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.352512][ T903] netlink_unicast+0x449/0x710 [ 6659.352512][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.352512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.352512][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.352512][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.352512][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.352512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6659.352512][ T903] [ 6659.354739][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6659.354739][ T903] netdev_get_by_index+0x5e/0x80 [ 6659.354739][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6659.354739][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6659.354739][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6659.354739][ T903] ipv6_add_addr+0x411/0x2000 [ 6659.354739][ T903] inet6_addr_add+0x30e/0xa40 [ 6659.354739][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6659.354739][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.354739][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.354739][ T903] netlink_unicast+0x449/0x710 [ 6659.354739][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.354739][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.354739][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.354739][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.354739][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.354739][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6659.354739][ T903] [ 6659.356964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6659.356964][ T903] netdev_get_by_index+0x5e/0x80 [ 6659.356964][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6659.356964][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6659.356964][ T903] ip6_route_add+0x1c/0x140 [ 6659.356964][ T903] addrconf_add_mroute+0x129/0x180 [ 6659.356964][ T903] addrconf_add_dev+0xe2/0x170 [ 6659.356964][ T903] inet6_addr_add+0x12f/0xa40 [ 6659.356964][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6659.356964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.356964][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.356964][ T903] netlink_unicast+0x449/0x710 [ 6659.356964][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.356964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.356964][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.356964][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.356964][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.356964][ T903] [ 6659.359109][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6659.359109][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6659.359109][ T903] ipv6_find_idev+0x102/0x170 [ 6659.359109][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6659.359109][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.359109][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.359109][ T903] netlink_unicast+0x449/0x710 [ 6659.359109][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.359109][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.359109][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.359109][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.359109][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.359109][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6659.359109][ T903] [ 6659.360821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6659.360821][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6659.360821][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6659.360821][ T903] ipv6_find_idev+0x102/0x170 [ 6659.360821][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6659.360821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6659.360821][ T903] netlink_rcv_skb+0x130/0x360 [ 6659.360821][ T903] netlink_unicast+0x449/0x710 [ 6659.360821][ T903] netlink_sendmsg+0x723/0xbe0 [ 6659.360821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6659.360821][ T903] ___sys_sendmsg+0xee/0x170 [ 6659.360821][ T903] __sys_sendmsg+0xcd/0x170 [ 6659.360821][ T903] do_syscall_64+0xc6/0x1e0 [ 6659.360821][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6659.360821][ T903] [ 6669.605872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6669.606655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6669.606655][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6669.606655][ T903] ip6_validate_gw+0x3eb/0x790 [ 6669.606655][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6669.606655][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6669.606655][ T903] ip6_route_add+0x1c/0x140 [ 6669.606655][ T903] inet6_rtm_newroute+0x104/0x110 [ 6669.606655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.606655][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.606655][ T903] netlink_unicast+0x449/0x710 [ 6669.606655][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.606655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.606655][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.606655][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.606655][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.606655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.606655][ T903] [ 6669.608681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6669.608681][ T903] netdev_get_by_index+0x5e/0x80 [ 6669.608681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6669.608681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6669.608681][ T903] ip6_route_add+0x1c/0x140 [ 6669.608681][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6669.608681][ T903] inet6_addr_add+0x4f8/0xa40 [ 6669.608681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.608681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.608681][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.608681][ T903] netlink_unicast+0x449/0x710 [ 6669.608681][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.608681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.608681][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.608681][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.608681][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.608681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.608681][ T903] [ 6669.610835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6669.610835][ T903] netdev_get_by_index+0x5e/0x80 [ 6669.610835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6669.610835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6669.610835][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6669.610835][ T903] ipv6_add_addr+0x411/0x2000 [ 6669.610835][ T903] inet6_addr_add+0x30e/0xa40 [ 6669.610835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.610835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.610835][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.610835][ T903] netlink_unicast+0x449/0x710 [ 6669.610835][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.610835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.610835][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.610835][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.610835][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.610835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.610835][ T903] [ 6669.613049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6669.613049][ T903] netdev_get_by_index+0x5e/0x80 [ 6669.613049][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6669.613049][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6669.613049][ T903] ip6_route_add+0x1c/0x140 [ 6669.613049][ T903] addrconf_add_mroute+0x129/0x180 [ 6669.613049][ T903] addrconf_add_dev+0xe2/0x170 [ 6669.613049][ T903] inet6_addr_add+0x12f/0xa40 [ 6669.613049][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6669.613049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.613049][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.613049][ T903] netlink_unicast+0x449/0x710 [ 6669.613049][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.613049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.613049][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.613049][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.613049][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.613049][ T903] [ 6669.615113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6669.615113][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6669.615113][ T903] ipv6_find_idev+0x102/0x170 [ 6669.615113][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6669.615113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.615113][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.615113][ T903] netlink_unicast+0x449/0x710 [ 6669.615113][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.615113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.615113][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.615113][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.615113][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.615113][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.615113][ T903] [ 6669.616786][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6669.616786][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6669.616786][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6669.616786][ T903] ipv6_find_idev+0x102/0x170 [ 6669.616786][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6669.616786][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6669.616786][ T903] netlink_rcv_skb+0x130/0x360 [ 6669.616786][ T903] netlink_unicast+0x449/0x710 [ 6669.616786][ T903] netlink_sendmsg+0x723/0xbe0 [ 6669.616786][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6669.616786][ T903] ___sys_sendmsg+0xee/0x170 [ 6669.616786][ T903] __sys_sendmsg+0xcd/0x170 [ 6669.616786][ T903] do_syscall_64+0xc6/0x1e0 [ 6669.616786][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6669.616786][ T903] [ 6679.861894][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6679.862449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6679.862449][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6679.862449][ T903] ip6_validate_gw+0x3eb/0x790 [ 6679.862449][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6679.862449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6679.862449][ T903] ip6_route_add+0x1c/0x140 [ 6679.862449][ T903] inet6_rtm_newroute+0x104/0x110 [ 6679.862449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.862449][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.862449][ T903] netlink_unicast+0x449/0x710 [ 6679.862449][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.862449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.862449][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.862449][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.862449][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.862449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.862449][ T903] [ 6679.864555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6679.864555][ T903] netdev_get_by_index+0x5e/0x80 [ 6679.864555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6679.864555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6679.864555][ T903] ip6_route_add+0x1c/0x140 [ 6679.864555][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6679.864555][ T903] inet6_addr_add+0x4f8/0xa40 [ 6679.864555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.864555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.864555][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.864555][ T903] netlink_unicast+0x449/0x710 [ 6679.864555][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.864555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.864555][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.864555][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.864555][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.864555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.864555][ T903] [ 6679.866754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6679.866754][ T903] netdev_get_by_index+0x5e/0x80 [ 6679.866754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6679.866754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6679.866754][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6679.866754][ T903] ipv6_add_addr+0x411/0x2000 [ 6679.866754][ T903] inet6_addr_add+0x30e/0xa40 [ 6679.866754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.866754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.866754][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.866754][ T903] netlink_unicast+0x449/0x710 [ 6679.866754][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.866754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.866754][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.866754][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.866754][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.866754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.866754][ T903] [ 6679.868956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6679.868956][ T903] netdev_get_by_index+0x5e/0x80 [ 6679.868956][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6679.868956][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6679.868956][ T903] ip6_route_add+0x1c/0x140 [ 6679.868956][ T903] addrconf_add_mroute+0x129/0x180 [ 6679.868956][ T903] addrconf_add_dev+0xe2/0x170 [ 6679.868956][ T903] inet6_addr_add+0x12f/0xa40 [ 6679.868956][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6679.868956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.868956][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.868956][ T903] netlink_unicast+0x449/0x710 [ 6679.868956][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.868956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.868956][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.868956][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.868956][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.868956][ T903] [ 6679.871644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6679.871644][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6679.871644][ T903] ipv6_find_idev+0x102/0x170 [ 6679.871644][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6679.871644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.871644][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.871644][ T903] netlink_unicast+0x449/0x710 [ 6679.871644][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.871644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.871644][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.871644][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.871644][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.871644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.871644][ T903] [ 6679.873343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6679.873343][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6679.873343][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6679.873343][ T903] ipv6_find_idev+0x102/0x170 [ 6679.873343][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6679.873343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6679.873343][ T903] netlink_rcv_skb+0x130/0x360 [ 6679.873343][ T903] netlink_unicast+0x449/0x710 [ 6679.873343][ T903] netlink_sendmsg+0x723/0xbe0 [ 6679.873343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6679.873343][ T903] ___sys_sendmsg+0xee/0x170 [ 6679.873343][ T903] __sys_sendmsg+0xcd/0x170 [ 6679.873343][ T903] do_syscall_64+0xc6/0x1e0 [ 6679.873343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6679.873343][ T903] [ 6690.053819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6690.054328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6690.054328][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6690.054328][ T903] ip6_validate_gw+0x3eb/0x790 [ 6690.054328][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6690.054328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6690.054328][ T903] ip6_route_add+0x1c/0x140 [ 6690.054328][ T903] inet6_rtm_newroute+0x104/0x110 [ 6690.054328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.054328][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.054328][ T903] netlink_unicast+0x449/0x710 [ 6690.054328][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.054328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.054328][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.054328][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.054328][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.054328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6690.054328][ T903] [ 6690.056434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6690.056434][ T903] netdev_get_by_index+0x5e/0x80 [ 6690.056434][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6690.056434][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6690.056434][ T903] ip6_route_add+0x1c/0x140 [ 6690.056434][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6690.056434][ T903] inet6_addr_add+0x4f8/0xa40 [ 6690.056434][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6690.056434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.056434][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.056434][ T903] netlink_unicast+0x449/0x710 [ 6690.056434][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.056434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.056434][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.056434][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.056434][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.056434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6690.056434][ T903] [ 6690.058643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6690.058643][ T903] netdev_get_by_index+0x5e/0x80 [ 6690.058643][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6690.058643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6690.058643][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6690.058643][ T903] ipv6_add_addr+0x411/0x2000 [ 6690.058643][ T903] inet6_addr_add+0x30e/0xa40 [ 6690.058643][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6690.058643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.058643][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.058643][ T903] netlink_unicast+0x449/0x710 [ 6690.058643][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.058643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.058643][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.058643][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.058643][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.058643][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6690.058643][ T903] [ 6690.060842][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6690.060842][ T903] netdev_get_by_index+0x5e/0x80 [ 6690.060842][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6690.060842][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6690.060842][ T903] ip6_route_add+0x1c/0x140 [ 6690.060842][ T903] addrconf_add_mroute+0x129/0x180 [ 6690.060842][ T903] addrconf_add_dev+0xe2/0x170 [ 6690.060842][ T903] inet6_addr_add+0x12f/0xa40 [ 6690.060842][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6690.060842][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.060842][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.060842][ T903] netlink_unicast+0x449/0x710 [ 6690.060842][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.060842][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.060842][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.060842][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.060842][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.060842][ T903] [ 6690.063021][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6690.063021][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6690.063021][ T903] ipv6_find_idev+0x102/0x170 [ 6690.063021][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6690.063021][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.063021][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.063021][ T903] netlink_unicast+0x449/0x710 [ 6690.063021][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.063021][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.063021][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.063021][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.063021][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.063021][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6690.063021][ T903] [ 6690.064711][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6690.064711][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6690.064711][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6690.064711][ T903] ipv6_find_idev+0x102/0x170 [ 6690.064711][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6690.064711][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6690.064711][ T903] netlink_rcv_skb+0x130/0x360 [ 6690.064711][ T903] netlink_unicast+0x449/0x710 [ 6690.064711][ T903] netlink_sendmsg+0x723/0xbe0 [ 6690.064711][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6690.064711][ T903] ___sys_sendmsg+0xee/0x170 [ 6690.064711][ T903] __sys_sendmsg+0xcd/0x170 [ 6690.064711][ T903] do_syscall_64+0xc6/0x1e0 [ 6690.064711][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6690.064711][ T903] [ 6700.317833][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6700.318357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6700.318357][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6700.318357][ T903] ip6_validate_gw+0x3eb/0x790 [ 6700.318357][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6700.318357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6700.318357][ T903] ip6_route_add+0x1c/0x140 [ 6700.318357][ T903] inet6_rtm_newroute+0x104/0x110 [ 6700.318357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.318357][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.318357][ T903] netlink_unicast+0x449/0x710 [ 6700.318357][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.318357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.318357][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.318357][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.318357][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.318357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6700.318357][ T903] [ 6700.320489][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6700.320489][ T903] netdev_get_by_index+0x5e/0x80 [ 6700.320489][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6700.320489][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6700.320489][ T903] ip6_route_add+0x1c/0x140 [ 6700.320489][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6700.320489][ T903] inet6_addr_add+0x4f8/0xa40 [ 6700.320489][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6700.320489][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.320489][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.320489][ T903] netlink_unicast+0x449/0x710 [ 6700.320489][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.320489][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.320489][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.320489][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.320489][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.320489][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6700.320489][ T903] [ 6700.322727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6700.322727][ T903] netdev_get_by_index+0x5e/0x80 [ 6700.322727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6700.322727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6700.322727][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6700.322727][ T903] ipv6_add_addr+0x411/0x2000 [ 6700.322727][ T903] inet6_addr_add+0x30e/0xa40 [ 6700.322727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6700.322727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.322727][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.322727][ T903] netlink_unicast+0x449/0x710 [ 6700.322727][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.322727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.322727][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.322727][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.322727][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.322727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6700.322727][ T903] [ 6700.324944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6700.324944][ T903] netdev_get_by_index+0x5e/0x80 [ 6700.324944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6700.324944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6700.324944][ T903] ip6_route_add+0x1c/0x140 [ 6700.324944][ T903] addrconf_add_mroute+0x129/0x180 [ 6700.324944][ T903] addrconf_add_dev+0xe2/0x170 [ 6700.324944][ T903] inet6_addr_add+0x12f/0xa40 [ 6700.324944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6700.324944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.324944][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.324944][ T903] netlink_unicast+0x449/0x710 [ 6700.324944][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.324944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.324944][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.324944][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.324944][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.324944][ T903] [ 6700.355200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6700.355200][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6700.355200][ T903] ipv6_find_idev+0x102/0x170 [ 6700.355200][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6700.355200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.355200][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.355200][ T903] netlink_unicast+0x449/0x710 [ 6700.355200][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.355200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.355200][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.355200][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.355200][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.355200][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6700.355200][ T903] [ 6700.356914][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6700.356914][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6700.356914][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6700.356914][ T903] ipv6_find_idev+0x102/0x170 [ 6700.356914][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6700.356914][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6700.356914][ T903] netlink_rcv_skb+0x130/0x360 [ 6700.356914][ T903] netlink_unicast+0x449/0x710 [ 6700.356914][ T903] netlink_sendmsg+0x723/0xbe0 [ 6700.356914][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6700.356914][ T903] ___sys_sendmsg+0xee/0x170 [ 6700.356914][ T903] __sys_sendmsg+0xcd/0x170 [ 6700.356914][ T903] do_syscall_64+0xc6/0x1e0 [ 6700.356914][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6700.356914][ T903] [ 6710.605811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6710.606334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6710.606334][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6710.606334][ T903] ip6_validate_gw+0x3eb/0x790 [ 6710.606334][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6710.606334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6710.606334][ T903] ip6_route_add+0x1c/0x140 [ 6710.606334][ T903] inet6_rtm_newroute+0x104/0x110 [ 6710.606334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.606334][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.606334][ T903] netlink_unicast+0x449/0x710 [ 6710.606334][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.606334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.606334][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.606334][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.606334][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.606334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.606334][ T903] [ 6710.608502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6710.608502][ T903] netdev_get_by_index+0x5e/0x80 [ 6710.608502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6710.608502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6710.608502][ T903] ip6_route_add+0x1c/0x140 [ 6710.608502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6710.608502][ T903] inet6_addr_add+0x4f8/0xa40 [ 6710.608502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.608502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.608502][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.608502][ T903] netlink_unicast+0x449/0x710 [ 6710.608502][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.608502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.608502][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.608502][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.608502][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.608502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.608502][ T903] [ 6710.610729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6710.610729][ T903] netdev_get_by_index+0x5e/0x80 [ 6710.610729][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6710.610729][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6710.610729][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6710.610729][ T903] ipv6_add_addr+0x411/0x2000 [ 6710.610729][ T903] inet6_addr_add+0x30e/0xa40 [ 6710.610729][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.610729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.610729][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.610729][ T903] netlink_unicast+0x449/0x710 [ 6710.610729][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.610729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.610729][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.610729][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.610729][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.610729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.610729][ T903] [ 6710.612965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6710.612965][ T903] netdev_get_by_index+0x5e/0x80 [ 6710.612965][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6710.612965][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6710.612965][ T903] ip6_route_add+0x1c/0x140 [ 6710.612965][ T903] addrconf_add_mroute+0x129/0x180 [ 6710.612965][ T903] addrconf_add_dev+0xe2/0x170 [ 6710.612965][ T903] inet6_addr_add+0x12f/0xa40 [ 6710.612965][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6710.612965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.612965][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.612965][ T903] netlink_unicast+0x449/0x710 [ 6710.612965][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.612965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.612965][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.612965][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.612965][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.612965][ T903] [ 6710.615173][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6710.615173][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6710.615173][ T903] ipv6_find_idev+0x102/0x170 [ 6710.615173][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6710.615173][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.615173][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.615173][ T903] netlink_unicast+0x449/0x710 [ 6710.615173][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.615173][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.615173][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.615173][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.615173][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.615173][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.615173][ T903] [ 6710.646270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6710.646270][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6710.646270][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6710.646270][ T903] ipv6_find_idev+0x102/0x170 [ 6710.646270][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6710.646270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6710.646270][ T903] netlink_rcv_skb+0x130/0x360 [ 6710.646270][ T903] netlink_unicast+0x449/0x710 [ 6710.646270][ T903] netlink_sendmsg+0x723/0xbe0 [ 6710.646270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6710.646270][ T903] ___sys_sendmsg+0xee/0x170 [ 6710.646270][ T903] __sys_sendmsg+0xcd/0x170 [ 6710.646270][ T903] do_syscall_64+0xc6/0x1e0 [ 6710.646270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6710.646270][ T903] [ 6720.893867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6720.894493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6720.894493][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6720.894493][ T903] ip6_validate_gw+0x3eb/0x790 [ 6720.894493][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6720.894493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6720.894493][ T903] ip6_route_add+0x1c/0x140 [ 6720.894493][ T903] inet6_rtm_newroute+0x104/0x110 [ 6720.894493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.894493][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.894493][ T903] netlink_unicast+0x449/0x710 [ 6720.894493][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.894493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.894493][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.894493][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.894493][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.894493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.894493][ T903] [ 6720.896480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6720.896480][ T903] netdev_get_by_index+0x5e/0x80 [ 6720.896480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6720.896480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6720.896480][ T903] ip6_route_add+0x1c/0x140 [ 6720.896480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6720.896480][ T903] inet6_addr_add+0x4f8/0xa40 [ 6720.896480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.896480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.896480][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.896480][ T903] netlink_unicast+0x449/0x710 [ 6720.896480][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.896480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.896480][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.896480][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.896480][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.896480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.896480][ T903] [ 6720.898548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6720.898548][ T903] netdev_get_by_index+0x5e/0x80 [ 6720.898548][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6720.898548][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6720.898548][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6720.898548][ T903] ipv6_add_addr+0x411/0x2000 [ 6720.898548][ T903] inet6_addr_add+0x30e/0xa40 [ 6720.898548][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.898548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.898548][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.898548][ T903] netlink_unicast+0x449/0x710 [ 6720.898548][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.898548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.898548][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.898548][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.898548][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.898548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.898548][ T903] [ 6720.900844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6720.900844][ T903] netdev_get_by_index+0x5e/0x80 [ 6720.900844][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6720.900844][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6720.900844][ T903] ip6_route_add+0x1c/0x140 [ 6720.900844][ T903] addrconf_add_mroute+0x129/0x180 [ 6720.900844][ T903] addrconf_add_dev+0xe2/0x170 [ 6720.900844][ T903] inet6_addr_add+0x12f/0xa40 [ 6720.900844][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6720.900844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.900844][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.900844][ T903] netlink_unicast+0x449/0x710 [ 6720.900844][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.900844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.900844][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.900844][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.900844][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.900844][ T903] [ 6720.903068][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6720.903068][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6720.903068][ T903] ipv6_find_idev+0x102/0x170 [ 6720.903068][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6720.903068][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.903068][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.903068][ T903] netlink_unicast+0x449/0x710 [ 6720.903068][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.903068][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.903068][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.903068][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.903068][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.903068][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.903068][ T903] [ 6720.904785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6720.904785][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6720.904785][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6720.904785][ T903] ipv6_find_idev+0x102/0x170 [ 6720.904785][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6720.904785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6720.904785][ T903] netlink_rcv_skb+0x130/0x360 [ 6720.904785][ T903] netlink_unicast+0x449/0x710 [ 6720.904785][ T903] netlink_sendmsg+0x723/0xbe0 [ 6720.904785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6720.904785][ T903] ___sys_sendmsg+0xee/0x170 [ 6720.904785][ T903] __sys_sendmsg+0xcd/0x170 [ 6720.904785][ T903] do_syscall_64+0xc6/0x1e0 [ 6720.904785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6720.904785][ T903] [ 6731.157873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6731.158637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6731.158637][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6731.158637][ T903] ip6_validate_gw+0x3eb/0x790 [ 6731.158637][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6731.158637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6731.158637][ T903] ip6_route_add+0x1c/0x140 [ 6731.158637][ T903] inet6_rtm_newroute+0x104/0x110 [ 6731.158637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.158637][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.158637][ T903] netlink_unicast+0x449/0x710 [ 6731.158637][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.158637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.158637][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.158637][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.158637][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.158637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6731.158637][ T903] [ 6731.160756][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6731.160756][ T903] netdev_get_by_index+0x5e/0x80 [ 6731.160756][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6731.160756][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6731.160756][ T903] ip6_route_add+0x1c/0x140 [ 6731.160756][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6731.160756][ T903] inet6_addr_add+0x4f8/0xa40 [ 6731.160756][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6731.160756][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.160756][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.160756][ T903] netlink_unicast+0x449/0x710 [ 6731.160756][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.160756][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.160756][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.160756][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.160756][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.160756][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6731.160756][ T903] [ 6731.162923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6731.162923][ T903] netdev_get_by_index+0x5e/0x80 [ 6731.162923][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6731.162923][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6731.162923][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6731.162923][ T903] ipv6_add_addr+0x411/0x2000 [ 6731.162923][ T903] inet6_addr_add+0x30e/0xa40 [ 6731.162923][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6731.162923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.162923][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.162923][ T903] netlink_unicast+0x449/0x710 [ 6731.162923][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.162923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.162923][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.162923][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.162923][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.162923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6731.162923][ T903] [ 6731.165009][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6731.165009][ T903] netdev_get_by_index+0x5e/0x80 [ 6731.165009][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6731.165009][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6731.165009][ T903] ip6_route_add+0x1c/0x140 [ 6731.165009][ T903] addrconf_add_mroute+0x129/0x180 [ 6731.165009][ T903] addrconf_add_dev+0xe2/0x170 [ 6731.165009][ T903] inet6_addr_add+0x12f/0xa40 [ 6731.165009][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6731.165009][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.165009][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.165009][ T903] netlink_unicast+0x449/0x710 [ 6731.165009][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.165009][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.165009][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.165009][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.165009][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.165009][ T903] [ 6731.167119][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6731.167119][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6731.167119][ T903] ipv6_find_idev+0x102/0x170 [ 6731.167119][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6731.167119][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.167119][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.167119][ T903] netlink_unicast+0x449/0x710 [ 6731.167119][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.167119][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.167119][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.167119][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.167119][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.167119][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6731.167119][ T903] [ 6731.168755][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6731.168755][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6731.168755][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6731.168755][ T903] ipv6_find_idev+0x102/0x170 [ 6731.168755][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6731.168755][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6731.168755][ T903] netlink_rcv_skb+0x130/0x360 [ 6731.168755][ T903] netlink_unicast+0x449/0x710 [ 6731.168755][ T903] netlink_sendmsg+0x723/0xbe0 [ 6731.168755][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6731.168755][ T903] ___sys_sendmsg+0xee/0x170 [ 6731.168755][ T903] __sys_sendmsg+0xcd/0x170 [ 6731.168755][ T903] do_syscall_64+0xc6/0x1e0 [ 6731.168755][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6731.168755][ T903] [ 6741.421883][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6741.422796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6741.422796][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6741.422796][ T903] ip6_validate_gw+0x3eb/0x790 [ 6741.422796][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6741.422796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6741.422796][ T903] ip6_route_add+0x1c/0x140 [ 6741.422796][ T903] inet6_rtm_newroute+0x104/0x110 [ 6741.422796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.422796][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.422796][ T903] netlink_unicast+0x449/0x710 [ 6741.422796][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.422796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.422796][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.422796][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.422796][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.422796][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6741.422796][ T903] [ 6741.424822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6741.424822][ T903] netdev_get_by_index+0x5e/0x80 [ 6741.424822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6741.424822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6741.424822][ T903] ip6_route_add+0x1c/0x140 [ 6741.424822][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6741.424822][ T903] inet6_addr_add+0x4f8/0xa40 [ 6741.424822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6741.424822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.424822][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.424822][ T903] netlink_unicast+0x449/0x710 [ 6741.424822][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.424822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.424822][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.424822][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.424822][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.424822][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6741.424822][ T903] [ 6741.426885][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6741.426885][ T903] netdev_get_by_index+0x5e/0x80 [ 6741.426885][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6741.426885][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6741.426885][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6741.426885][ T903] ipv6_add_addr+0x411/0x2000 [ 6741.426885][ T903] inet6_addr_add+0x30e/0xa40 [ 6741.426885][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6741.426885][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.426885][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.426885][ T903] netlink_unicast+0x449/0x710 [ 6741.426885][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.426885][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.426885][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.426885][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.426885][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.426885][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6741.426885][ T903] [ 6741.428985][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6741.428985][ T903] netdev_get_by_index+0x5e/0x80 [ 6741.428985][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6741.428985][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6741.428985][ T903] ip6_route_add+0x1c/0x140 [ 6741.428985][ T903] addrconf_add_mroute+0x129/0x180 [ 6741.428985][ T903] addrconf_add_dev+0xe2/0x170 [ 6741.428985][ T903] inet6_addr_add+0x12f/0xa40 [ 6741.428985][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6741.428985][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.428985][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.428985][ T903] netlink_unicast+0x449/0x710 [ 6741.428985][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.428985][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.428985][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.428985][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.428985][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.428985][ T903] [ 6741.431062][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6741.431062][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6741.431062][ T903] ipv6_find_idev+0x102/0x170 [ 6741.431062][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6741.431062][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.431062][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.431062][ T903] netlink_unicast+0x449/0x710 [ 6741.431062][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.431062][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.431062][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.431062][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.431062][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.431062][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6741.431062][ T903] [ 6741.432744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6741.432744][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6741.432744][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6741.432744][ T903] ipv6_find_idev+0x102/0x170 [ 6741.432744][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6741.432744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6741.432744][ T903] netlink_rcv_skb+0x130/0x360 [ 6741.432744][ T903] netlink_unicast+0x449/0x710 [ 6741.432744][ T903] netlink_sendmsg+0x723/0xbe0 [ 6741.432744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6741.432744][ T903] ___sys_sendmsg+0xee/0x170 [ 6741.432744][ T903] __sys_sendmsg+0xcd/0x170 [ 6741.432744][ T903] do_syscall_64+0xc6/0x1e0 [ 6741.432744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6741.432744][ T903] [ 6751.685863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6751.686729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6751.686729][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6751.686729][ T903] ip6_validate_gw+0x3eb/0x790 [ 6751.686729][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6751.686729][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6751.686729][ T903] ip6_route_add+0x1c/0x140 [ 6751.686729][ T903] inet6_rtm_newroute+0x104/0x110 [ 6751.686729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.686729][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.686729][ T903] netlink_unicast+0x449/0x710 [ 6751.686729][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.686729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.686729][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.686729][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.686729][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.686729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6751.686729][ T903] [ 6751.688765][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6751.688765][ T903] netdev_get_by_index+0x5e/0x80 [ 6751.688765][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6751.688765][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6751.688765][ T903] ip6_route_add+0x1c/0x140 [ 6751.688765][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6751.688765][ T903] inet6_addr_add+0x4f8/0xa40 [ 6751.688765][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6751.688765][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.688765][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.688765][ T903] netlink_unicast+0x449/0x710 [ 6751.688765][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.688765][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.688765][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.688765][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.688765][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.688765][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6751.688765][ T903] [ 6751.690908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6751.690908][ T903] netdev_get_by_index+0x5e/0x80 [ 6751.690908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6751.690908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6751.690908][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6751.690908][ T903] ipv6_add_addr+0x411/0x2000 [ 6751.690908][ T903] inet6_addr_add+0x30e/0xa40 [ 6751.690908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6751.690908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.690908][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.690908][ T903] netlink_unicast+0x449/0x710 [ 6751.690908][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.690908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.690908][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.690908][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.690908][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.690908][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6751.690908][ T903] [ 6751.693550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6751.693550][ T903] netdev_get_by_index+0x5e/0x80 [ 6751.693550][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6751.693550][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6751.693550][ T903] ip6_route_add+0x1c/0x140 [ 6751.693550][ T903] addrconf_add_mroute+0x129/0x180 [ 6751.693550][ T903] addrconf_add_dev+0xe2/0x170 [ 6751.693550][ T903] inet6_addr_add+0x12f/0xa40 [ 6751.693550][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6751.693550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.693550][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.693550][ T903] netlink_unicast+0x449/0x710 [ 6751.693550][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.693550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.693550][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.693550][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.693550][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.693550][ T903] [ 6751.695655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6751.695655][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6751.695655][ T903] ipv6_find_idev+0x102/0x170 [ 6751.695655][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6751.695655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.695655][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.695655][ T903] netlink_unicast+0x449/0x710 [ 6751.695655][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.695655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.695655][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.695655][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.695655][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.695655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6751.695655][ T903] [ 6751.697335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6751.697335][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6751.697335][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6751.697335][ T903] ipv6_find_idev+0x102/0x170 [ 6751.697335][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6751.697335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6751.697335][ T903] netlink_rcv_skb+0x130/0x360 [ 6751.697335][ T903] netlink_unicast+0x449/0x710 [ 6751.697335][ T903] netlink_sendmsg+0x723/0xbe0 [ 6751.697335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6751.697335][ T903] ___sys_sendmsg+0xee/0x170 [ 6751.697335][ T903] __sys_sendmsg+0xcd/0x170 [ 6751.697335][ T903] do_syscall_64+0xc6/0x1e0 [ 6751.697335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6751.697335][ T903] [ 6762.325880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6762.326393][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6762.326393][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6762.326393][ T903] ip6_validate_gw+0x3eb/0x790 [ 6762.326393][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6762.326393][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6762.326393][ T903] ip6_route_add+0x1c/0x140 [ 6762.326393][ T903] inet6_rtm_newroute+0x104/0x110 [ 6762.326393][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.326393][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.326393][ T903] netlink_unicast+0x449/0x710 [ 6762.326393][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.326393][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.326393][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.326393][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.326393][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.326393][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6762.326393][ T903] [ 6762.328439][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6762.328439][ T903] netdev_get_by_index+0x5e/0x80 [ 6762.328439][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6762.328439][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6762.328439][ T903] ip6_route_add+0x1c/0x140 [ 6762.328439][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6762.328439][ T903] inet6_addr_add+0x4f8/0xa40 [ 6762.328439][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6762.328439][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.328439][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.328439][ T903] netlink_unicast+0x449/0x710 [ 6762.328439][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.328439][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.328439][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.328439][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.328439][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.328439][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6762.328439][ T903] [ 6762.330656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6762.330656][ T903] netdev_get_by_index+0x5e/0x80 [ 6762.330656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6762.330656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6762.330656][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6762.330656][ T903] ipv6_add_addr+0x411/0x2000 [ 6762.330656][ T903] inet6_addr_add+0x30e/0xa40 [ 6762.330656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6762.330656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.330656][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.330656][ T903] netlink_unicast+0x449/0x710 [ 6762.330656][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.330656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.330656][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.330656][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.330656][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.330656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6762.330656][ T903] [ 6762.332909][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6762.332909][ T903] netdev_get_by_index+0x5e/0x80 [ 6762.332909][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6762.332909][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6762.332909][ T903] ip6_route_add+0x1c/0x140 [ 6762.332909][ T903] addrconf_add_mroute+0x129/0x180 [ 6762.332909][ T903] addrconf_add_dev+0xe2/0x170 [ 6762.332909][ T903] inet6_addr_add+0x12f/0xa40 [ 6762.332909][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6762.332909][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.332909][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.332909][ T903] netlink_unicast+0x449/0x710 [ 6762.332909][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.332909][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.332909][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.332909][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.332909][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.332909][ T903] [ 6762.335082][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6762.335082][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6762.335082][ T903] ipv6_find_idev+0x102/0x170 [ 6762.335082][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6762.335082][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.335082][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.335082][ T903] netlink_unicast+0x449/0x710 [ 6762.335082][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.335082][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.335082][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.335082][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.335082][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.335082][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6762.335082][ T903] [ 6762.336749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6762.336749][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6762.336749][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6762.336749][ T903] ipv6_find_idev+0x102/0x170 [ 6762.336749][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6762.336749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6762.336749][ T903] netlink_rcv_skb+0x130/0x360 [ 6762.336749][ T903] netlink_unicast+0x449/0x710 [ 6762.336749][ T903] netlink_sendmsg+0x723/0xbe0 [ 6762.336749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6762.336749][ T903] ___sys_sendmsg+0xee/0x170 [ 6762.336749][ T903] __sys_sendmsg+0xcd/0x170 [ 6762.336749][ T903] do_syscall_64+0xc6/0x1e0 [ 6762.336749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6762.336749][ T903] [ 6772.469865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6772.470674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6772.470674][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6772.470674][ T903] ip6_validate_gw+0x3eb/0x790 [ 6772.470674][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6772.470674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6772.470674][ T903] ip6_route_add+0x1c/0x140 [ 6772.470674][ T903] inet6_rtm_newroute+0x104/0x110 [ 6772.470674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.470674][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.470674][ T903] netlink_unicast+0x449/0x710 [ 6772.470674][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.470674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.470674][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.470674][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.470674][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.470674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6772.470674][ T903] [ 6772.472708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6772.472708][ T903] netdev_get_by_index+0x5e/0x80 [ 6772.472708][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6772.472708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6772.472708][ T903] ip6_route_add+0x1c/0x140 [ 6772.472708][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6772.472708][ T903] inet6_addr_add+0x4f8/0xa40 [ 6772.472708][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6772.472708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.472708][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.472708][ T903] netlink_unicast+0x449/0x710 [ 6772.472708][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.472708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.472708][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.472708][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.472708][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.472708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6772.472708][ T903] [ 6772.474813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6772.474813][ T903] netdev_get_by_index+0x5e/0x80 [ 6772.474813][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6772.474813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6772.474813][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6772.474813][ T903] ipv6_add_addr+0x411/0x2000 [ 6772.474813][ T903] inet6_addr_add+0x30e/0xa40 [ 6772.474813][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6772.474813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.474813][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.474813][ T903] netlink_unicast+0x449/0x710 [ 6772.474813][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.474813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.474813][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.474813][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.474813][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.474813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6772.474813][ T903] [ 6772.477040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6772.477040][ T903] netdev_get_by_index+0x5e/0x80 [ 6772.477040][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6772.477040][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6772.477040][ T903] ip6_route_add+0x1c/0x140 [ 6772.477040][ T903] addrconf_add_mroute+0x129/0x180 [ 6772.477040][ T903] addrconf_add_dev+0xe2/0x170 [ 6772.477040][ T903] inet6_addr_add+0x12f/0xa40 [ 6772.477040][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6772.477040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.477040][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.477040][ T903] netlink_unicast+0x449/0x710 [ 6772.477040][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.477040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.477040][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.477040][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.477040][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.477040][ T903] [ 6772.479147][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6772.479147][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6772.479147][ T903] ipv6_find_idev+0x102/0x170 [ 6772.479147][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6772.479147][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.479147][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.479147][ T903] netlink_unicast+0x449/0x710 [ 6772.479147][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.479147][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.479147][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.479147][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.479147][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.479147][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6772.479147][ T903] [ 6772.480817][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6772.480817][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6772.480817][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6772.480817][ T903] ipv6_find_idev+0x102/0x170 [ 6772.480817][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6772.480817][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6772.480817][ T903] netlink_rcv_skb+0x130/0x360 [ 6772.480817][ T903] netlink_unicast+0x449/0x710 [ 6772.480817][ T903] netlink_sendmsg+0x723/0xbe0 [ 6772.480817][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6772.480817][ T903] ___sys_sendmsg+0xee/0x170 [ 6772.480817][ T903] __sys_sendmsg+0xcd/0x170 [ 6772.480817][ T903] do_syscall_64+0xc6/0x1e0 [ 6772.480817][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6772.480817][ T903] [ 6782.501874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6782.502488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6782.502488][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6782.502488][ T903] ip6_validate_gw+0x3eb/0x790 [ 6782.502488][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6782.502488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6782.502488][ T903] ip6_route_add+0x1c/0x140 [ 6782.502488][ T903] inet6_rtm_newroute+0x104/0x110 [ 6782.502488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.502488][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.502488][ T903] netlink_unicast+0x449/0x710 [ 6782.502488][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.502488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.502488][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.502488][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.502488][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.502488][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6782.502488][ T903] [ 6782.504593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6782.504593][ T903] netdev_get_by_index+0x5e/0x80 [ 6782.504593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6782.504593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6782.504593][ T903] ip6_route_add+0x1c/0x140 [ 6782.504593][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6782.504593][ T903] inet6_addr_add+0x4f8/0xa40 [ 6782.504593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6782.504593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.504593][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.504593][ T903] netlink_unicast+0x449/0x710 [ 6782.504593][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.504593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.504593][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.504593][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.504593][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.504593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6782.504593][ T903] [ 6782.506706][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6782.506706][ T903] netdev_get_by_index+0x5e/0x80 [ 6782.506706][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6782.506706][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6782.506706][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6782.506706][ T903] ipv6_add_addr+0x411/0x2000 [ 6782.506706][ T903] inet6_addr_add+0x30e/0xa40 [ 6782.506706][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6782.506706][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.506706][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.506706][ T903] netlink_unicast+0x449/0x710 [ 6782.506706][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.506706][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.506706][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.506706][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.506706][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.506706][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6782.506706][ T903] [ 6782.508825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6782.508825][ T903] netdev_get_by_index+0x5e/0x80 [ 6782.508825][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6782.508825][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6782.508825][ T903] ip6_route_add+0x1c/0x140 [ 6782.508825][ T903] addrconf_add_mroute+0x129/0x180 [ 6782.508825][ T903] addrconf_add_dev+0xe2/0x170 [ 6782.508825][ T903] inet6_addr_add+0x12f/0xa40 [ 6782.508825][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6782.508825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.508825][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.508825][ T903] netlink_unicast+0x449/0x710 [ 6782.508825][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.508825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.508825][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.508825][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.508825][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.508825][ T903] [ 6782.510854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6782.510854][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6782.510854][ T903] ipv6_find_idev+0x102/0x170 [ 6782.510854][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6782.510854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.510854][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.510854][ T903] netlink_unicast+0x449/0x710 [ 6782.510854][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.510854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.510854][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.510854][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.510854][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.510854][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6782.510854][ T903] [ 6782.512542][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6782.512542][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6782.512542][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6782.512542][ T903] ipv6_find_idev+0x102/0x170 [ 6782.512542][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6782.512542][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6782.512542][ T903] netlink_rcv_skb+0x130/0x360 [ 6782.512542][ T903] netlink_unicast+0x449/0x710 [ 6782.512542][ T903] netlink_sendmsg+0x723/0xbe0 [ 6782.512542][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6782.512542][ T903] ___sys_sendmsg+0xee/0x170 [ 6782.512542][ T903] __sys_sendmsg+0xcd/0x170 [ 6782.512542][ T903] do_syscall_64+0xc6/0x1e0 [ 6782.512542][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6782.512542][ T903] [ 6792.629874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6792.630652][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6792.630652][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6792.630652][ T903] ip6_validate_gw+0x3eb/0x790 [ 6792.630652][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6792.630652][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6792.630652][ T903] ip6_route_add+0x1c/0x140 [ 6792.630652][ T903] inet6_rtm_newroute+0x104/0x110 [ 6792.630652][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.630652][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.630652][ T903] netlink_unicast+0x449/0x710 [ 6792.630652][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.630652][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.630652][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.630652][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.630652][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.630652][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6792.630652][ T903] [ 6792.632754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6792.632754][ T903] netdev_get_by_index+0x5e/0x80 [ 6792.632754][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6792.632754][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6792.632754][ T903] ip6_route_add+0x1c/0x140 [ 6792.632754][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6792.632754][ T903] inet6_addr_add+0x4f8/0xa40 [ 6792.632754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6792.632754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.632754][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.632754][ T903] netlink_unicast+0x449/0x710 [ 6792.632754][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.632754][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.632754][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.632754][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.632754][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.632754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6792.632754][ T903] [ 6792.634897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6792.634897][ T903] netdev_get_by_index+0x5e/0x80 [ 6792.634897][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6792.634897][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6792.634897][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6792.634897][ T903] ipv6_add_addr+0x411/0x2000 [ 6792.634897][ T903] inet6_addr_add+0x30e/0xa40 [ 6792.634897][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6792.634897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.634897][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.634897][ T903] netlink_unicast+0x449/0x710 [ 6792.634897][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.634897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.634897][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.634897][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.634897][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.634897][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6792.634897][ T903] [ 6792.637047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6792.637047][ T903] netdev_get_by_index+0x5e/0x80 [ 6792.637047][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6792.637047][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6792.637047][ T903] ip6_route_add+0x1c/0x140 [ 6792.637047][ T903] addrconf_add_mroute+0x129/0x180 [ 6792.637047][ T903] addrconf_add_dev+0xe2/0x170 [ 6792.637047][ T903] inet6_addr_add+0x12f/0xa40 [ 6792.637047][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6792.637047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.637047][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.637047][ T903] netlink_unicast+0x449/0x710 [ 6792.637047][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.637047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.637047][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.637047][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.637047][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.637047][ T903] [ 6792.639071][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6792.639071][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6792.639071][ T903] ipv6_find_idev+0x102/0x170 [ 6792.639071][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6792.639071][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.639071][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.639071][ T903] netlink_unicast+0x449/0x710 [ 6792.639071][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.639071][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.639071][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.639071][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.639071][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.639071][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6792.639071][ T903] [ 6792.640685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6792.640685][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6792.640685][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6792.640685][ T903] ipv6_find_idev+0x102/0x170 [ 6792.640685][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6792.640685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6792.640685][ T903] netlink_rcv_skb+0x130/0x360 [ 6792.640685][ T903] netlink_unicast+0x449/0x710 [ 6792.640685][ T903] netlink_sendmsg+0x723/0xbe0 [ 6792.640685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6792.640685][ T903] ___sys_sendmsg+0xee/0x170 [ 6792.640685][ T903] __sys_sendmsg+0xcd/0x170 [ 6792.640685][ T903] do_syscall_64+0xc6/0x1e0 [ 6792.640685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6792.640685][ T903] [ 6802.877873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6802.878743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6802.878743][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6802.878743][ T903] ip6_validate_gw+0x3eb/0x790 [ 6802.878743][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6802.878743][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6802.878743][ T903] ip6_route_add+0x1c/0x140 [ 6802.878743][ T903] inet6_rtm_newroute+0x104/0x110 [ 6802.878743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.878743][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.878743][ T903] netlink_unicast+0x449/0x710 [ 6802.878743][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.878743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.878743][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.878743][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.878743][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.878743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6802.878743][ T903] [ 6802.880713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6802.880713][ T903] netdev_get_by_index+0x5e/0x80 [ 6802.880713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6802.880713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6802.880713][ T903] ip6_route_add+0x1c/0x140 [ 6802.880713][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6802.880713][ T903] inet6_addr_add+0x4f8/0xa40 [ 6802.880713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6802.880713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.880713][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.880713][ T903] netlink_unicast+0x449/0x710 [ 6802.880713][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.880713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.880713][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.880713][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.880713][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.880713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6802.880713][ T903] [ 6802.883417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6802.883417][ T903] netdev_get_by_index+0x5e/0x80 [ 6802.883417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6802.883417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6802.883417][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6802.883417][ T903] ipv6_add_addr+0x411/0x2000 [ 6802.883417][ T903] inet6_addr_add+0x30e/0xa40 [ 6802.883417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6802.883417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.883417][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.883417][ T903] netlink_unicast+0x449/0x710 [ 6802.883417][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.883417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.883417][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.883417][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.883417][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.883417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6802.883417][ T903] [ 6802.885588][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6802.885588][ T903] netdev_get_by_index+0x5e/0x80 [ 6802.885588][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6802.885588][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6802.885588][ T903] ip6_route_add+0x1c/0x140 [ 6802.885588][ T903] addrconf_add_mroute+0x129/0x180 [ 6802.885588][ T903] addrconf_add_dev+0xe2/0x170 [ 6802.885588][ T903] inet6_addr_add+0x12f/0xa40 [ 6802.885588][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6802.885588][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.885588][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.885588][ T903] netlink_unicast+0x449/0x710 [ 6802.885588][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.885588][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.885588][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.885588][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.885588][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.885588][ T903] [ 6802.887702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6802.887702][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6802.887702][ T903] ipv6_find_idev+0x102/0x170 [ 6802.887702][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6802.887702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.887702][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.887702][ T903] netlink_unicast+0x449/0x710 [ 6802.887702][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.887702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.887702][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.887702][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.887702][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.887702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6802.887702][ T903] [ 6802.889365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6802.889365][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6802.889365][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6802.889365][ T903] ipv6_find_idev+0x102/0x170 [ 6802.889365][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6802.889365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6802.889365][ T903] netlink_rcv_skb+0x130/0x360 [ 6802.889365][ T903] netlink_unicast+0x449/0x710 [ 6802.889365][ T903] netlink_sendmsg+0x723/0xbe0 [ 6802.889365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6802.889365][ T903] ___sys_sendmsg+0xee/0x170 [ 6802.889365][ T903] __sys_sendmsg+0xcd/0x170 [ 6802.889365][ T903] do_syscall_64+0xc6/0x1e0 [ 6802.889365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6802.889365][ T903] [ 6813.133873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6813.134473][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6813.134473][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6813.134473][ T903] ip6_validate_gw+0x3eb/0x790 [ 6813.134473][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6813.134473][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6813.134473][ T903] ip6_route_add+0x1c/0x140 [ 6813.134473][ T903] inet6_rtm_newroute+0x104/0x110 [ 6813.134473][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.134473][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.134473][ T903] netlink_unicast+0x449/0x710 [ 6813.134473][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.134473][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.134473][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.134473][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.134473][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.134473][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6813.134473][ T903] [ 6813.136506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6813.136506][ T903] netdev_get_by_index+0x5e/0x80 [ 6813.136506][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6813.136506][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6813.136506][ T903] ip6_route_add+0x1c/0x140 [ 6813.136506][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6813.136506][ T903] inet6_addr_add+0x4f8/0xa40 [ 6813.136506][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6813.136506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.136506][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.136506][ T903] netlink_unicast+0x449/0x710 [ 6813.136506][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.136506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.136506][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.136506][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.136506][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.136506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6813.136506][ T903] [ 6813.138575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6813.138575][ T903] netdev_get_by_index+0x5e/0x80 [ 6813.138575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6813.138575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6813.138575][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6813.138575][ T903] ipv6_add_addr+0x411/0x2000 [ 6813.138575][ T903] inet6_addr_add+0x30e/0xa40 [ 6813.138575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6813.138575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.138575][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.138575][ T903] netlink_unicast+0x449/0x710 [ 6813.138575][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.138575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.138575][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.138575][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.138575][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.138575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6813.138575][ T903] [ 6813.140636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6813.140636][ T903] netdev_get_by_index+0x5e/0x80 [ 6813.140636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6813.140636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6813.140636][ T903] ip6_route_add+0x1c/0x140 [ 6813.140636][ T903] addrconf_add_mroute+0x129/0x180 [ 6813.140636][ T903] addrconf_add_dev+0xe2/0x170 [ 6813.140636][ T903] inet6_addr_add+0x12f/0xa40 [ 6813.140636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6813.140636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.140636][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.140636][ T903] netlink_unicast+0x449/0x710 [ 6813.140636][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.140636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.140636][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.140636][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.140636][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.140636][ T903] [ 6813.142705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6813.142705][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6813.142705][ T903] ipv6_find_idev+0x102/0x170 [ 6813.142705][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6813.142705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.142705][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.142705][ T903] netlink_unicast+0x449/0x710 [ 6813.142705][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.142705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.142705][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.142705][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.142705][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.142705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6813.142705][ T903] [ 6813.144347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6813.144347][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6813.144347][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6813.144347][ T903] ipv6_find_idev+0x102/0x170 [ 6813.144347][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6813.144347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6813.144347][ T903] netlink_rcv_skb+0x130/0x360 [ 6813.144347][ T903] netlink_unicast+0x449/0x710 [ 6813.144347][ T903] netlink_sendmsg+0x723/0xbe0 [ 6813.144347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6813.144347][ T903] ___sys_sendmsg+0xee/0x170 [ 6813.144347][ T903] __sys_sendmsg+0xcd/0x170 [ 6813.144347][ T903] do_syscall_64+0xc6/0x1e0 [ 6813.144347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6813.144347][ T903] [ 6823.237887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6823.238705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6823.238705][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6823.238705][ T903] ip6_validate_gw+0x3eb/0x790 [ 6823.238705][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6823.238705][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6823.238705][ T903] ip6_route_add+0x1c/0x140 [ 6823.238705][ T903] inet6_rtm_newroute+0x104/0x110 [ 6823.238705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.238705][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.238705][ T903] netlink_unicast+0x449/0x710 [ 6823.238705][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.238705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.238705][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.238705][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.238705][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.238705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6823.238705][ T903] [ 6823.240776][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6823.240776][ T903] netdev_get_by_index+0x5e/0x80 [ 6823.240776][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6823.240776][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6823.240776][ T903] ip6_route_add+0x1c/0x140 [ 6823.240776][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6823.240776][ T903] inet6_addr_add+0x4f8/0xa40 [ 6823.240776][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6823.240776][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.240776][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.240776][ T903] netlink_unicast+0x449/0x710 [ 6823.240776][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.240776][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.240776][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.240776][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.240776][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.240776][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6823.240776][ T903] [ 6823.242953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6823.242953][ T903] netdev_get_by_index+0x5e/0x80 [ 6823.242953][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6823.242953][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6823.242953][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6823.242953][ T903] ipv6_add_addr+0x411/0x2000 [ 6823.242953][ T903] inet6_addr_add+0x30e/0xa40 [ 6823.242953][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6823.242953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.242953][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.242953][ T903] netlink_unicast+0x449/0x710 [ 6823.242953][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.242953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.242953][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.242953][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.242953][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.242953][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6823.242953][ T903] [ 6823.245012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6823.245012][ T903] netdev_get_by_index+0x5e/0x80 [ 6823.245012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6823.245012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6823.245012][ T903] ip6_route_add+0x1c/0x140 [ 6823.245012][ T903] addrconf_add_mroute+0x129/0x180 [ 6823.245012][ T903] addrconf_add_dev+0xe2/0x170 [ 6823.245012][ T903] inet6_addr_add+0x12f/0xa40 [ 6823.245012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6823.245012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.245012][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.245012][ T903] netlink_unicast+0x449/0x710 [ 6823.245012][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.245012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.245012][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.245012][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.245012][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.245012][ T903] [ 6823.247127][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6823.247127][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6823.247127][ T903] ipv6_find_idev+0x102/0x170 [ 6823.247127][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6823.247127][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.247127][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.247127][ T903] netlink_unicast+0x449/0x710 [ 6823.247127][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.247127][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.247127][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.247127][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.247127][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.247127][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6823.247127][ T903] [ 6823.248729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6823.248729][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6823.248729][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6823.248729][ T903] ipv6_find_idev+0x102/0x170 [ 6823.248729][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6823.248729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6823.248729][ T903] netlink_rcv_skb+0x130/0x360 [ 6823.248729][ T903] netlink_unicast+0x449/0x710 [ 6823.248729][ T903] netlink_sendmsg+0x723/0xbe0 [ 6823.248729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6823.248729][ T903] ___sys_sendmsg+0xee/0x170 [ 6823.248729][ T903] __sys_sendmsg+0xcd/0x170 [ 6823.248729][ T903] do_syscall_64+0xc6/0x1e0 [ 6823.248729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6823.248729][ T903] [ 6833.485866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6833.486503][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6833.486503][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6833.486503][ T903] ip6_validate_gw+0x3eb/0x790 [ 6833.486503][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6833.486503][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6833.486503][ T903] ip6_route_add+0x1c/0x140 [ 6833.486503][ T903] inet6_rtm_newroute+0x104/0x110 [ 6833.486503][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.486503][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.486503][ T903] netlink_unicast+0x449/0x710 [ 6833.486503][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.486503][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.486503][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.486503][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.486503][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.486503][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6833.486503][ T903] [ 6833.488614][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6833.488614][ T903] netdev_get_by_index+0x5e/0x80 [ 6833.488614][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6833.488614][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6833.488614][ T903] ip6_route_add+0x1c/0x140 [ 6833.488614][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6833.488614][ T903] inet6_addr_add+0x4f8/0xa40 [ 6833.488614][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6833.488614][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.488614][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.488614][ T903] netlink_unicast+0x449/0x710 [ 6833.488614][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.488614][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.488614][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.488614][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.488614][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.488614][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6833.488614][ T903] [ 6833.490906][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6833.490906][ T903] netdev_get_by_index+0x5e/0x80 [ 6833.490906][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6833.490906][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6833.490906][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6833.490906][ T903] ipv6_add_addr+0x411/0x2000 [ 6833.490906][ T903] inet6_addr_add+0x30e/0xa40 [ 6833.490906][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6833.490906][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.490906][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.490906][ T903] netlink_unicast+0x449/0x710 [ 6833.490906][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.490906][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.490906][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.490906][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.490906][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.490906][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6833.490906][ T903] [ 6833.493120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6833.493120][ T903] netdev_get_by_index+0x5e/0x80 [ 6833.493120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6833.493120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6833.493120][ T903] ip6_route_add+0x1c/0x140 [ 6833.493120][ T903] addrconf_add_mroute+0x129/0x180 [ 6833.493120][ T903] addrconf_add_dev+0xe2/0x170 [ 6833.493120][ T903] inet6_addr_add+0x12f/0xa40 [ 6833.493120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6833.493120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.493120][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.493120][ T903] netlink_unicast+0x449/0x710 [ 6833.493120][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.493120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.493120][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.493120][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.493120][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.493120][ T903] [ 6833.495251][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6833.495251][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6833.495251][ T903] ipv6_find_idev+0x102/0x170 [ 6833.495251][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6833.495251][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.495251][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.495251][ T903] netlink_unicast+0x449/0x710 [ 6833.495251][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.495251][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.495251][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.495251][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.495251][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.495251][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6833.495251][ T903] [ 6833.496923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6833.496923][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6833.496923][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6833.496923][ T903] ipv6_find_idev+0x102/0x170 [ 6833.496923][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6833.496923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6833.496923][ T903] netlink_rcv_skb+0x130/0x360 [ 6833.496923][ T903] netlink_unicast+0x449/0x710 [ 6833.496923][ T903] netlink_sendmsg+0x723/0xbe0 [ 6833.496923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6833.496923][ T903] ___sys_sendmsg+0xee/0x170 [ 6833.496923][ T903] __sys_sendmsg+0xcd/0x170 [ 6833.496923][ T903] do_syscall_64+0xc6/0x1e0 [ 6833.496923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6833.496923][ T903] [ 6843.741877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6843.742577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6843.742577][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6843.742577][ T903] ip6_validate_gw+0x3eb/0x790 [ 6843.742577][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6843.742577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6843.742577][ T903] ip6_route_add+0x1c/0x140 [ 6843.742577][ T903] inet6_rtm_newroute+0x104/0x110 [ 6843.742577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.742577][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.742577][ T903] netlink_unicast+0x449/0x710 [ 6843.742577][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.742577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.742577][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.742577][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.742577][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.742577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6843.742577][ T903] [ 6843.744555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6843.744555][ T903] netdev_get_by_index+0x5e/0x80 [ 6843.744555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6843.744555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6843.744555][ T903] ip6_route_add+0x1c/0x140 [ 6843.744555][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6843.744555][ T903] inet6_addr_add+0x4f8/0xa40 [ 6843.744555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6843.744555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.744555][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.744555][ T903] netlink_unicast+0x449/0x710 [ 6843.744555][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.744555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.744555][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.744555][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.744555][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.744555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6843.744555][ T903] [ 6843.746622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6843.746622][ T903] netdev_get_by_index+0x5e/0x80 [ 6843.746622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6843.746622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6843.746622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6843.746622][ T903] ipv6_add_addr+0x411/0x2000 [ 6843.746622][ T903] inet6_addr_add+0x30e/0xa40 [ 6843.746622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6843.746622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.746622][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.746622][ T903] netlink_unicast+0x449/0x710 [ 6843.746622][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.746622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.746622][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.746622][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.746622][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.746622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6843.746622][ T903] [ 6843.748840][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6843.748840][ T903] netdev_get_by_index+0x5e/0x80 [ 6843.748840][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6843.748840][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6843.748840][ T903] ip6_route_add+0x1c/0x140 [ 6843.748840][ T903] addrconf_add_mroute+0x129/0x180 [ 6843.748840][ T903] addrconf_add_dev+0xe2/0x170 [ 6843.748840][ T903] inet6_addr_add+0x12f/0xa40 [ 6843.748840][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6843.748840][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.748840][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.748840][ T903] netlink_unicast+0x449/0x710 [ 6843.748840][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.748840][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.748840][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.748840][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.748840][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.748840][ T903] [ 6843.750890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6843.750890][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6843.750890][ T903] ipv6_find_idev+0x102/0x170 [ 6843.750890][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6843.750890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.750890][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.750890][ T903] netlink_unicast+0x449/0x710 [ 6843.750890][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.750890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.750890][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.750890][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.750890][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.750890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6843.750890][ T903] [ 6843.752532][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6843.752532][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6843.752532][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6843.752532][ T903] ipv6_find_idev+0x102/0x170 [ 6843.752532][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6843.752532][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6843.752532][ T903] netlink_rcv_skb+0x130/0x360 [ 6843.752532][ T903] netlink_unicast+0x449/0x710 [ 6843.752532][ T903] netlink_sendmsg+0x723/0xbe0 [ 6843.752532][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6843.752532][ T903] ___sys_sendmsg+0xee/0x170 [ 6843.752532][ T903] __sys_sendmsg+0xcd/0x170 [ 6843.752532][ T903] do_syscall_64+0xc6/0x1e0 [ 6843.752532][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6843.752532][ T903] [ 6853.845811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6853.846336][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6853.846336][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6853.846336][ T903] ip6_validate_gw+0x3eb/0x790 [ 6853.846336][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6853.846336][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6853.846336][ T903] ip6_route_add+0x1c/0x140 [ 6853.846336][ T903] inet6_rtm_newroute+0x104/0x110 [ 6853.846336][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.846336][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.846336][ T903] netlink_unicast+0x449/0x710 [ 6853.846336][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.846336][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.846336][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.846336][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.846336][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.846336][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.846336][ T903] [ 6853.848438][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6853.848438][ T903] netdev_get_by_index+0x5e/0x80 [ 6853.848438][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6853.848438][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6853.848438][ T903] ip6_route_add+0x1c/0x140 [ 6853.848438][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6853.848438][ T903] inet6_addr_add+0x4f8/0xa40 [ 6853.848438][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.848438][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.848438][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.848438][ T903] netlink_unicast+0x449/0x710 [ 6853.848438][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.848438][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.848438][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.848438][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.848438][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.848438][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.848438][ T903] [ 6853.850656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6853.850656][ T903] netdev_get_by_index+0x5e/0x80 [ 6853.850656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6853.850656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6853.850656][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6853.850656][ T903] ipv6_add_addr+0x411/0x2000 [ 6853.850656][ T903] inet6_addr_add+0x30e/0xa40 [ 6853.850656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.850656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.850656][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.850656][ T903] netlink_unicast+0x449/0x710 [ 6853.850656][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.850656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.850656][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.850656][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.850656][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.850656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.850656][ T903] [ 6853.852833][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6853.852833][ T903] netdev_get_by_index+0x5e/0x80 [ 6853.852833][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6853.852833][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6853.852833][ T903] ip6_route_add+0x1c/0x140 [ 6853.852833][ T903] addrconf_add_mroute+0x129/0x180 [ 6853.852833][ T903] addrconf_add_dev+0xe2/0x170 [ 6853.852833][ T903] inet6_addr_add+0x12f/0xa40 [ 6853.852833][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6853.852833][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.852833][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.852833][ T903] netlink_unicast+0x449/0x710 [ 6853.852833][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.852833][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.852833][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.852833][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.852833][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.852833][ T903] [ 6853.855014][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6853.855014][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6853.855014][ T903] ipv6_find_idev+0x102/0x170 [ 6853.855014][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6853.855014][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.855014][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.855014][ T903] netlink_unicast+0x449/0x710 [ 6853.855014][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.855014][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.855014][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.855014][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.855014][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.855014][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.855014][ T903] [ 6853.856703][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6853.856703][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6853.856703][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6853.856703][ T903] ipv6_find_idev+0x102/0x170 [ 6853.856703][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6853.856703][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6853.856703][ T903] netlink_rcv_skb+0x130/0x360 [ 6853.856703][ T903] netlink_unicast+0x449/0x710 [ 6853.856703][ T903] netlink_sendmsg+0x723/0xbe0 [ 6853.856703][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6853.856703][ T903] ___sys_sendmsg+0xee/0x170 [ 6853.856703][ T903] __sys_sendmsg+0xcd/0x170 [ 6853.856703][ T903] do_syscall_64+0xc6/0x1e0 [ 6853.856703][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6853.856703][ T903] [ 6864.013802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6864.014310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6864.014310][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6864.014310][ T903] ip6_validate_gw+0x3eb/0x790 [ 6864.014310][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6864.014310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6864.014310][ T903] ip6_route_add+0x1c/0x140 [ 6864.014310][ T903] inet6_rtm_newroute+0x104/0x110 [ 6864.014310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.014310][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.014310][ T903] netlink_unicast+0x449/0x710 [ 6864.014310][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.014310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.014310][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.014310][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.014310][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.014310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6864.014310][ T903] [ 6864.016901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6864.016901][ T903] netdev_get_by_index+0x5e/0x80 [ 6864.016901][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6864.016901][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6864.016901][ T903] ip6_route_add+0x1c/0x140 [ 6864.016901][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6864.016901][ T903] inet6_addr_add+0x4f8/0xa40 [ 6864.016901][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6864.016901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.016901][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.016901][ T903] netlink_unicast+0x449/0x710 [ 6864.016901][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.016901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.016901][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.016901][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.016901][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.016901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6864.016901][ T903] [ 6864.019102][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6864.019102][ T903] netdev_get_by_index+0x5e/0x80 [ 6864.019102][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6864.019102][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6864.019102][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6864.019102][ T903] ipv6_add_addr+0x411/0x2000 [ 6864.019102][ T903] inet6_addr_add+0x30e/0xa40 [ 6864.019102][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6864.019102][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.019102][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.019102][ T903] netlink_unicast+0x449/0x710 [ 6864.019102][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.019102][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.019102][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.019102][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.019102][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.019102][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6864.019102][ T903] [ 6864.021324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6864.021324][ T903] netdev_get_by_index+0x5e/0x80 [ 6864.021324][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6864.021324][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6864.021324][ T903] ip6_route_add+0x1c/0x140 [ 6864.021324][ T903] addrconf_add_mroute+0x129/0x180 [ 6864.021324][ T903] addrconf_add_dev+0xe2/0x170 [ 6864.021324][ T903] inet6_addr_add+0x12f/0xa40 [ 6864.021324][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6864.021324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.021324][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.021324][ T903] netlink_unicast+0x449/0x710 [ 6864.021324][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.021324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.021324][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.021324][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.021324][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.021324][ T903] [ 6864.023487][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6864.023487][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6864.023487][ T903] ipv6_find_idev+0x102/0x170 [ 6864.023487][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6864.023487][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.023487][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.023487][ T903] netlink_unicast+0x449/0x710 [ 6864.023487][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.023487][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.023487][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.023487][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.023487][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.023487][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6864.023487][ T903] [ 6864.025181][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6864.025181][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6864.025181][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6864.025181][ T903] ipv6_find_idev+0x102/0x170 [ 6864.025181][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6864.025181][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6864.025181][ T903] netlink_rcv_skb+0x130/0x360 [ 6864.025181][ T903] netlink_unicast+0x449/0x710 [ 6864.025181][ T903] netlink_sendmsg+0x723/0xbe0 [ 6864.025181][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6864.025181][ T903] ___sys_sendmsg+0xee/0x170 [ 6864.025181][ T903] __sys_sendmsg+0xcd/0x170 [ 6864.025181][ T903] do_syscall_64+0xc6/0x1e0 [ 6864.025181][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6864.025181][ T903] [ 6874.269868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6874.270779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6874.270779][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6874.270779][ T903] ip6_validate_gw+0x3eb/0x790 [ 6874.270779][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6874.270779][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6874.270779][ T903] ip6_route_add+0x1c/0x140 [ 6874.270779][ T903] inet6_rtm_newroute+0x104/0x110 [ 6874.270779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.270779][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.270779][ T903] netlink_unicast+0x449/0x710 [ 6874.270779][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.270779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.270779][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.270779][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.270779][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.270779][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6874.270779][ T903] [ 6874.272825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6874.272825][ T903] netdev_get_by_index+0x5e/0x80 [ 6874.272825][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6874.272825][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6874.272825][ T903] ip6_route_add+0x1c/0x140 [ 6874.272825][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6874.272825][ T903] inet6_addr_add+0x4f8/0xa40 [ 6874.272825][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6874.272825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.272825][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.272825][ T903] netlink_unicast+0x449/0x710 [ 6874.272825][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.272825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.272825][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.272825][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.272825][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.272825][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6874.272825][ T903] [ 6874.274976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6874.274976][ T903] netdev_get_by_index+0x5e/0x80 [ 6874.274976][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6874.274976][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6874.274976][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6874.274976][ T903] ipv6_add_addr+0x411/0x2000 [ 6874.274976][ T903] inet6_addr_add+0x30e/0xa40 [ 6874.274976][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6874.274976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.274976][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.274976][ T903] netlink_unicast+0x449/0x710 [ 6874.274976][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.274976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.274976][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.274976][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.274976][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.274976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6874.274976][ T903] [ 6874.277124][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6874.277124][ T903] netdev_get_by_index+0x5e/0x80 [ 6874.277124][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6874.277124][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6874.277124][ T903] ip6_route_add+0x1c/0x140 [ 6874.277124][ T903] addrconf_add_mroute+0x129/0x180 [ 6874.277124][ T903] addrconf_add_dev+0xe2/0x170 [ 6874.277124][ T903] inet6_addr_add+0x12f/0xa40 [ 6874.277124][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6874.277124][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.277124][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.277124][ T903] netlink_unicast+0x449/0x710 [ 6874.277124][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.277124][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.277124][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.277124][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.277124][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.277124][ T903] [ 6874.279287][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6874.279287][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6874.279287][ T903] ipv6_find_idev+0x102/0x170 [ 6874.279287][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6874.279287][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.279287][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.279287][ T903] netlink_unicast+0x449/0x710 [ 6874.279287][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.279287][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.279287][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.279287][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.279287][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.279287][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6874.279287][ T903] [ 6874.281001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6874.281001][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6874.281001][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6874.281001][ T903] ipv6_find_idev+0x102/0x170 [ 6874.281001][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6874.281001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6874.281001][ T903] netlink_rcv_skb+0x130/0x360 [ 6874.281001][ T903] netlink_unicast+0x449/0x710 [ 6874.281001][ T903] netlink_sendmsg+0x723/0xbe0 [ 6874.281001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6874.281001][ T903] ___sys_sendmsg+0xee/0x170 [ 6874.281001][ T903] __sys_sendmsg+0xcd/0x170 [ 6874.281001][ T903] do_syscall_64+0xc6/0x1e0 [ 6874.281001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6874.281001][ T903] [ 6884.453953][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6884.454637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6884.454637][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6884.454637][ T903] ip6_validate_gw+0x3eb/0x790 [ 6884.454637][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6884.454637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6884.454637][ T903] ip6_route_add+0x1c/0x140 [ 6884.454637][ T903] inet6_rtm_newroute+0x104/0x110 [ 6884.454637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.454637][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.454637][ T903] netlink_unicast+0x449/0x710 [ 6884.454637][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.454637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.454637][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.454637][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.454637][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.454637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6884.454637][ T903] [ 6884.456698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6884.456698][ T903] netdev_get_by_index+0x5e/0x80 [ 6884.456698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6884.456698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6884.456698][ T903] ip6_route_add+0x1c/0x140 [ 6884.456698][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6884.456698][ T903] inet6_addr_add+0x4f8/0xa40 [ 6884.456698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6884.456698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.456698][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.456698][ T903] netlink_unicast+0x449/0x710 [ 6884.456698][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.456698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.456698][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.456698][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.456698][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.456698][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6884.456698][ T903] [ 6884.458871][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6884.458871][ T903] netdev_get_by_index+0x5e/0x80 [ 6884.458871][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6884.458871][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6884.458871][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6884.458871][ T903] ipv6_add_addr+0x411/0x2000 [ 6884.458871][ T903] inet6_addr_add+0x30e/0xa40 [ 6884.458871][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6884.458871][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.458871][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.458871][ T903] netlink_unicast+0x449/0x710 [ 6884.458871][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.458871][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.458871][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.458871][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.458871][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.458871][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6884.458871][ T903] [ 6884.461035][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6884.461035][ T903] netdev_get_by_index+0x5e/0x80 [ 6884.461035][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6884.461035][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6884.461035][ T903] ip6_route_add+0x1c/0x140 [ 6884.461035][ T903] addrconf_add_mroute+0x129/0x180 [ 6884.461035][ T903] addrconf_add_dev+0xe2/0x170 [ 6884.461035][ T903] inet6_addr_add+0x12f/0xa40 [ 6884.461035][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6884.461035][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.461035][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.461035][ T903] netlink_unicast+0x449/0x710 [ 6884.461035][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.461035][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.461035][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.461035][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.461035][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.461035][ T903] [ 6884.463145][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6884.463145][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6884.463145][ T903] ipv6_find_idev+0x102/0x170 [ 6884.463145][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6884.463145][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.463145][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.463145][ T903] netlink_unicast+0x449/0x710 [ 6884.463145][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.463145][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.463145][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.463145][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.463145][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.463145][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6884.463145][ T903] [ 6884.464795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6884.464795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6884.464795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6884.464795][ T903] ipv6_find_idev+0x102/0x170 [ 6884.464795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6884.464795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6884.464795][ T903] netlink_rcv_skb+0x130/0x360 [ 6884.464795][ T903] netlink_unicast+0x449/0x710 [ 6884.464795][ T903] netlink_sendmsg+0x723/0xbe0 [ 6884.464795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6884.464795][ T903] ___sys_sendmsg+0xee/0x170 [ 6884.464795][ T903] __sys_sendmsg+0xcd/0x170 [ 6884.464795][ T903] do_syscall_64+0xc6/0x1e0 [ 6884.464795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6884.464795][ T903] [ 6894.701867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6894.702550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6894.702550][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6894.702550][ T903] ip6_validate_gw+0x3eb/0x790 [ 6894.702550][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6894.702550][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6894.702550][ T903] ip6_route_add+0x1c/0x140 [ 6894.702550][ T903] inet6_rtm_newroute+0x104/0x110 [ 6894.702550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.702550][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.702550][ T903] netlink_unicast+0x449/0x710 [ 6894.702550][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.702550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.702550][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.702550][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.702550][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.702550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.702550][ T903] [ 6894.704545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6894.704545][ T903] netdev_get_by_index+0x5e/0x80 [ 6894.704545][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6894.704545][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6894.704545][ T903] ip6_route_add+0x1c/0x140 [ 6894.704545][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6894.704545][ T903] inet6_addr_add+0x4f8/0xa40 [ 6894.704545][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.704545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.704545][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.704545][ T903] netlink_unicast+0x449/0x710 [ 6894.704545][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.704545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.704545][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.704545][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.704545][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.704545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.704545][ T903] [ 6894.706681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6894.706681][ T903] netdev_get_by_index+0x5e/0x80 [ 6894.706681][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6894.706681][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6894.706681][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6894.706681][ T903] ipv6_add_addr+0x411/0x2000 [ 6894.706681][ T903] inet6_addr_add+0x30e/0xa40 [ 6894.706681][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.706681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.706681][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.706681][ T903] netlink_unicast+0x449/0x710 [ 6894.706681][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.706681][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.706681][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.706681][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.706681][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.706681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.706681][ T903] [ 6894.708819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6894.708819][ T903] netdev_get_by_index+0x5e/0x80 [ 6894.708819][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6894.708819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6894.708819][ T903] ip6_route_add+0x1c/0x140 [ 6894.708819][ T903] addrconf_add_mroute+0x129/0x180 [ 6894.708819][ T903] addrconf_add_dev+0xe2/0x170 [ 6894.708819][ T903] inet6_addr_add+0x12f/0xa40 [ 6894.708819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6894.708819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.708819][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.708819][ T903] netlink_unicast+0x449/0x710 [ 6894.708819][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.708819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.708819][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.708819][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.708819][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.708819][ T903] [ 6894.710865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6894.710865][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6894.710865][ T903] ipv6_find_idev+0x102/0x170 [ 6894.710865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6894.710865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.710865][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.710865][ T903] netlink_unicast+0x449/0x710 [ 6894.710865][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.710865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.710865][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.710865][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.710865][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.710865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.710865][ T903] [ 6894.712459][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6894.712459][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6894.712459][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6894.712459][ T903] ipv6_find_idev+0x102/0x170 [ 6894.712459][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6894.712459][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6894.712459][ T903] netlink_rcv_skb+0x130/0x360 [ 6894.712459][ T903] netlink_unicast+0x449/0x710 [ 6894.712459][ T903] netlink_sendmsg+0x723/0xbe0 [ 6894.712459][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6894.712459][ T903] ___sys_sendmsg+0xee/0x170 [ 6894.712459][ T903] __sys_sendmsg+0xcd/0x170 [ 6894.712459][ T903] do_syscall_64+0xc6/0x1e0 [ 6894.712459][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6894.712459][ T903] [ 6904.949880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6904.950714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6904.950714][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6904.950714][ T903] ip6_validate_gw+0x3eb/0x790 [ 6904.950714][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6904.950714][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6904.950714][ T903] ip6_route_add+0x1c/0x140 [ 6904.950714][ T903] inet6_rtm_newroute+0x104/0x110 [ 6904.950714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.950714][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.950714][ T903] netlink_unicast+0x449/0x710 [ 6904.950714][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.950714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.950714][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.950714][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.950714][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.950714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.950714][ T903] [ 6904.952713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6904.952713][ T903] netdev_get_by_index+0x5e/0x80 [ 6904.952713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6904.952713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6904.952713][ T903] ip6_route_add+0x1c/0x140 [ 6904.952713][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6904.952713][ T903] inet6_addr_add+0x4f8/0xa40 [ 6904.952713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.952713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.952713][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.952713][ T903] netlink_unicast+0x449/0x710 [ 6904.952713][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.952713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.952713][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.952713][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.952713][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.952713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.952713][ T903] [ 6904.954777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6904.954777][ T903] netdev_get_by_index+0x5e/0x80 [ 6904.954777][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6904.954777][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6904.954777][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6904.954777][ T903] ipv6_add_addr+0x411/0x2000 [ 6904.954777][ T903] inet6_addr_add+0x30e/0xa40 [ 6904.954777][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.954777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.954777][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.954777][ T903] netlink_unicast+0x449/0x710 [ 6904.954777][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.954777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.954777][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.954777][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.954777][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.954777][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.954777][ T903] [ 6904.956928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6904.956928][ T903] netdev_get_by_index+0x5e/0x80 [ 6904.956928][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6904.956928][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6904.956928][ T903] ip6_route_add+0x1c/0x140 [ 6904.956928][ T903] addrconf_add_mroute+0x129/0x180 [ 6904.956928][ T903] addrconf_add_dev+0xe2/0x170 [ 6904.956928][ T903] inet6_addr_add+0x12f/0xa40 [ 6904.956928][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6904.956928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.956928][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.956928][ T903] netlink_unicast+0x449/0x710 [ 6904.956928][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.956928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.956928][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.956928][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.956928][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.956928][ T903] [ 6904.959078][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6904.959078][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6904.959078][ T903] ipv6_find_idev+0x102/0x170 [ 6904.959078][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6904.959078][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.959078][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.959078][ T903] netlink_unicast+0x449/0x710 [ 6904.959078][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.959078][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.959078][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.959078][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.959078][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.959078][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.959078][ T903] [ 6904.960777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6904.960777][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6904.960777][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6904.960777][ T903] ipv6_find_idev+0x102/0x170 [ 6904.960777][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6904.960777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6904.960777][ T903] netlink_rcv_skb+0x130/0x360 [ 6904.960777][ T903] netlink_unicast+0x449/0x710 [ 6904.960777][ T903] netlink_sendmsg+0x723/0xbe0 [ 6904.960777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6904.960777][ T903] ___sys_sendmsg+0xee/0x170 [ 6904.960777][ T903] __sys_sendmsg+0xcd/0x170 [ 6904.960777][ T903] do_syscall_64+0xc6/0x1e0 [ 6904.960777][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6904.960777][ T903] [ 6915.197877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6915.198895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6915.198895][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6915.198895][ T903] ip6_validate_gw+0x3eb/0x790 [ 6915.198895][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6915.198895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6915.198895][ T903] ip6_route_add+0x1c/0x140 [ 6915.198895][ T903] inet6_rtm_newroute+0x104/0x110 [ 6915.198895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.198895][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.198895][ T903] netlink_unicast+0x449/0x710 [ 6915.198895][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.198895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.198895][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.198895][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.198895][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.198895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6915.198895][ T903] [ 6915.200950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6915.200950][ T903] netdev_get_by_index+0x5e/0x80 [ 6915.200950][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6915.200950][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6915.200950][ T903] ip6_route_add+0x1c/0x140 [ 6915.200950][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6915.200950][ T903] inet6_addr_add+0x4f8/0xa40 [ 6915.200950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6915.200950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.200950][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.200950][ T903] netlink_unicast+0x449/0x710 [ 6915.200950][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.200950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.200950][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.200950][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.200950][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.200950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6915.200950][ T903] [ 6915.203112][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6915.203112][ T903] netdev_get_by_index+0x5e/0x80 [ 6915.203112][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6915.203112][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6915.203112][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6915.203112][ T903] ipv6_add_addr+0x411/0x2000 [ 6915.203112][ T903] inet6_addr_add+0x30e/0xa40 [ 6915.203112][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6915.203112][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.203112][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.203112][ T903] netlink_unicast+0x449/0x710 [ 6915.203112][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.203112][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.203112][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.203112][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.203112][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.203112][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6915.203112][ T903] [ 6915.205174][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6915.205174][ T903] netdev_get_by_index+0x5e/0x80 [ 6915.205174][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6915.205174][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6915.205174][ T903] ip6_route_add+0x1c/0x140 [ 6915.205174][ T903] addrconf_add_mroute+0x129/0x180 [ 6915.205174][ T903] addrconf_add_dev+0xe2/0x170 [ 6915.205174][ T903] inet6_addr_add+0x12f/0xa40 [ 6915.205174][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6915.205174][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.205174][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.205174][ T903] netlink_unicast+0x449/0x710 [ 6915.205174][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.205174][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.205174][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.205174][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.205174][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.205174][ T903] [ 6915.207333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6915.207333][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6915.207333][ T903] ipv6_find_idev+0x102/0x170 [ 6915.207333][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6915.207333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.207333][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.207333][ T903] netlink_unicast+0x449/0x710 [ 6915.207333][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.207333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.207333][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.207333][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.207333][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.207333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6915.207333][ T903] [ 6915.209480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6915.209480][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6915.209480][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6915.209480][ T903] ipv6_find_idev+0x102/0x170 [ 6915.209480][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6915.209480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6915.209480][ T903] netlink_rcv_skb+0x130/0x360 [ 6915.209480][ T903] netlink_unicast+0x449/0x710 [ 6915.209480][ T903] netlink_sendmsg+0x723/0xbe0 [ 6915.209480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6915.209480][ T903] ___sys_sendmsg+0xee/0x170 [ 6915.209480][ T903] __sys_sendmsg+0xcd/0x170 [ 6915.209480][ T903] do_syscall_64+0xc6/0x1e0 [ 6915.209480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6915.209480][ T903] [ 6925.453800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6925.454322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6925.454322][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6925.454322][ T903] ip6_validate_gw+0x3eb/0x790 [ 6925.454322][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6925.454322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6925.454322][ T903] ip6_route_add+0x1c/0x140 [ 6925.454322][ T903] inet6_rtm_newroute+0x104/0x110 [ 6925.454322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.454322][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.454322][ T903] netlink_unicast+0x449/0x710 [ 6925.454322][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.454322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.454322][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.454322][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.454322][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.454322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6925.454322][ T903] [ 6925.456292][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6925.456292][ T903] netdev_get_by_index+0x5e/0x80 [ 6925.456292][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6925.456292][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6925.456292][ T903] ip6_route_add+0x1c/0x140 [ 6925.456292][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6925.456292][ T903] inet6_addr_add+0x4f8/0xa40 [ 6925.456292][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6925.456292][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.456292][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.456292][ T903] netlink_unicast+0x449/0x710 [ 6925.456292][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.456292][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.456292][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.456292][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.456292][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.456292][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6925.456292][ T903] [ 6925.458353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6925.458353][ T903] netdev_get_by_index+0x5e/0x80 [ 6925.458353][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6925.458353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6925.458353][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6925.458353][ T903] ipv6_add_addr+0x411/0x2000 [ 6925.458353][ T903] inet6_addr_add+0x30e/0xa40 [ 6925.458353][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6925.458353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.458353][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.458353][ T903] netlink_unicast+0x449/0x710 [ 6925.458353][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.458353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.458353][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.458353][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.458353][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.458353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6925.458353][ T903] [ 6925.460429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6925.460429][ T903] netdev_get_by_index+0x5e/0x80 [ 6925.460429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6925.460429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6925.460429][ T903] ip6_route_add+0x1c/0x140 [ 6925.460429][ T903] addrconf_add_mroute+0x129/0x180 [ 6925.460429][ T903] addrconf_add_dev+0xe2/0x170 [ 6925.460429][ T903] inet6_addr_add+0x12f/0xa40 [ 6925.460429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6925.460429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.460429][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.460429][ T903] netlink_unicast+0x449/0x710 [ 6925.460429][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.460429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.460429][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.460429][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.460429][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.460429][ T903] [ 6925.462544][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6925.462544][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6925.462544][ T903] ipv6_find_idev+0x102/0x170 [ 6925.462544][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6925.462544][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.462544][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.462544][ T903] netlink_unicast+0x449/0x710 [ 6925.462544][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.462544][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.462544][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.462544][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.462544][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.462544][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6925.462544][ T903] [ 6925.464197][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6925.464197][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6925.464197][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6925.464197][ T903] ipv6_find_idev+0x102/0x170 [ 6925.464197][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6925.464197][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6925.464197][ T903] netlink_rcv_skb+0x130/0x360 [ 6925.464197][ T903] netlink_unicast+0x449/0x710 [ 6925.464197][ T903] netlink_sendmsg+0x723/0xbe0 [ 6925.464197][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6925.464197][ T903] ___sys_sendmsg+0xee/0x170 [ 6925.464197][ T903] __sys_sendmsg+0xcd/0x170 [ 6925.464197][ T903] do_syscall_64+0xc6/0x1e0 [ 6925.464197][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6925.464197][ T903] [ 6935.701862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6935.702571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6935.702571][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6935.702571][ T903] ip6_validate_gw+0x3eb/0x790 [ 6935.702571][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6935.702571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6935.702571][ T903] ip6_route_add+0x1c/0x140 [ 6935.702571][ T903] inet6_rtm_newroute+0x104/0x110 [ 6935.702571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.702571][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.702571][ T903] netlink_unicast+0x449/0x710 [ 6935.702571][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.702571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.702571][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.702571][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.702571][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.702571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6935.702571][ T903] [ 6935.704621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6935.704621][ T903] netdev_get_by_index+0x5e/0x80 [ 6935.704621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6935.704621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6935.704621][ T903] ip6_route_add+0x1c/0x140 [ 6935.704621][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6935.704621][ T903] inet6_addr_add+0x4f8/0xa40 [ 6935.704621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6935.704621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.704621][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.704621][ T903] netlink_unicast+0x449/0x710 [ 6935.704621][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.704621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.704621][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.704621][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.704621][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.704621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6935.704621][ T903] [ 6935.706771][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6935.706771][ T903] netdev_get_by_index+0x5e/0x80 [ 6935.706771][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6935.706771][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6935.706771][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6935.706771][ T903] ipv6_add_addr+0x411/0x2000 [ 6935.706771][ T903] inet6_addr_add+0x30e/0xa40 [ 6935.706771][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6935.706771][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.706771][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.706771][ T903] netlink_unicast+0x449/0x710 [ 6935.706771][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.706771][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.706771][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.706771][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.706771][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.706771][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6935.706771][ T903] [ 6935.708915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6935.708915][ T903] netdev_get_by_index+0x5e/0x80 [ 6935.708915][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6935.708915][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6935.708915][ T903] ip6_route_add+0x1c/0x140 [ 6935.708915][ T903] addrconf_add_mroute+0x129/0x180 [ 6935.708915][ T903] addrconf_add_dev+0xe2/0x170 [ 6935.708915][ T903] inet6_addr_add+0x12f/0xa40 [ 6935.708915][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6935.708915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.708915][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.708915][ T903] netlink_unicast+0x449/0x710 [ 6935.708915][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.708915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.708915][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.708915][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.708915][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.708915][ T903] [ 6935.711039][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6935.711039][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6935.711039][ T903] ipv6_find_idev+0x102/0x170 [ 6935.711039][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6935.711039][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.711039][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.711039][ T903] netlink_unicast+0x449/0x710 [ 6935.711039][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.711039][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.711039][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.711039][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.711039][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.711039][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6935.711039][ T903] [ 6935.712688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6935.712688][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6935.712688][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6935.712688][ T903] ipv6_find_idev+0x102/0x170 [ 6935.712688][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6935.712688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6935.712688][ T903] netlink_rcv_skb+0x130/0x360 [ 6935.712688][ T903] netlink_unicast+0x449/0x710 [ 6935.712688][ T903] netlink_sendmsg+0x723/0xbe0 [ 6935.712688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6935.712688][ T903] ___sys_sendmsg+0xee/0x170 [ 6935.712688][ T903] __sys_sendmsg+0xcd/0x170 [ 6935.712688][ T903] do_syscall_64+0xc6/0x1e0 [ 6935.712688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6935.712688][ T903] [ 6945.949894][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6945.950705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6945.950705][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6945.950705][ T903] ip6_validate_gw+0x3eb/0x790 [ 6945.950705][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6945.950705][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6945.950705][ T903] ip6_route_add+0x1c/0x140 [ 6945.950705][ T903] inet6_rtm_newroute+0x104/0x110 [ 6945.950705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.950705][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.950705][ T903] netlink_unicast+0x449/0x710 [ 6945.950705][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.950705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.950705][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.950705][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.950705][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.950705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.950705][ T903] [ 6945.952784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6945.952784][ T903] netdev_get_by_index+0x5e/0x80 [ 6945.952784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6945.952784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6945.952784][ T903] ip6_route_add+0x1c/0x140 [ 6945.952784][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6945.952784][ T903] inet6_addr_add+0x4f8/0xa40 [ 6945.952784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.952784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.952784][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.952784][ T903] netlink_unicast+0x449/0x710 [ 6945.952784][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.952784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.952784][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.952784][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.952784][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.952784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.952784][ T903] [ 6945.954948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6945.954948][ T903] netdev_get_by_index+0x5e/0x80 [ 6945.954948][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6945.954948][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6945.954948][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6945.954948][ T903] ipv6_add_addr+0x411/0x2000 [ 6945.954948][ T903] inet6_addr_add+0x30e/0xa40 [ 6945.954948][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.954948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.954948][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.954948][ T903] netlink_unicast+0x449/0x710 [ 6945.954948][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.954948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.954948][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.954948][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.954948][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.954948][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.954948][ T903] [ 6945.957116][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6945.957116][ T903] netdev_get_by_index+0x5e/0x80 [ 6945.957116][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6945.957116][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6945.957116][ T903] ip6_route_add+0x1c/0x140 [ 6945.957116][ T903] addrconf_add_mroute+0x129/0x180 [ 6945.957116][ T903] addrconf_add_dev+0xe2/0x170 [ 6945.957116][ T903] inet6_addr_add+0x12f/0xa40 [ 6945.957116][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6945.957116][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.957116][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.957116][ T903] netlink_unicast+0x449/0x710 [ 6945.957116][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.957116][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.957116][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.957116][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.957116][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.957116][ T903] [ 6945.959297][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6945.959297][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6945.959297][ T903] ipv6_find_idev+0x102/0x170 [ 6945.959297][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6945.959297][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.959297][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.959297][ T903] netlink_unicast+0x449/0x710 [ 6945.959297][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.959297][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.959297][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.959297][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.959297][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.959297][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.959297][ T903] [ 6945.960949][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6945.960949][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6945.960949][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6945.960949][ T903] ipv6_find_idev+0x102/0x170 [ 6945.960949][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6945.960949][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6945.960949][ T903] netlink_rcv_skb+0x130/0x360 [ 6945.960949][ T903] netlink_unicast+0x449/0x710 [ 6945.960949][ T903] netlink_sendmsg+0x723/0xbe0 [ 6945.960949][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6945.960949][ T903] ___sys_sendmsg+0xee/0x170 [ 6945.960949][ T903] __sys_sendmsg+0xcd/0x170 [ 6945.960949][ T903] do_syscall_64+0xc6/0x1e0 [ 6945.960949][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6945.960949][ T903] [ 6956.173885][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6956.174853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6956.174853][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6956.174853][ T903] ip6_validate_gw+0x3eb/0x790 [ 6956.174853][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6956.174853][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6956.174853][ T903] ip6_route_add+0x1c/0x140 [ 6956.174853][ T903] inet6_rtm_newroute+0x104/0x110 [ 6956.174853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.174853][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.174853][ T903] netlink_unicast+0x449/0x710 [ 6956.174853][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.174853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.174853][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.174853][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.174853][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.174853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6956.174853][ T903] [ 6956.176957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6956.176957][ T903] netdev_get_by_index+0x5e/0x80 [ 6956.176957][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6956.176957][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6956.176957][ T903] ip6_route_add+0x1c/0x140 [ 6956.176957][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6956.176957][ T903] inet6_addr_add+0x4f8/0xa40 [ 6956.176957][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6956.176957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.176957][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.176957][ T903] netlink_unicast+0x449/0x710 [ 6956.176957][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.176957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.176957][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.176957][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.176957][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.176957][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6956.176957][ T903] [ 6956.179134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6956.179134][ T903] netdev_get_by_index+0x5e/0x80 [ 6956.179134][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6956.179134][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6956.179134][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6956.179134][ T903] ipv6_add_addr+0x411/0x2000 [ 6956.179134][ T903] inet6_addr_add+0x30e/0xa40 [ 6956.179134][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6956.179134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.179134][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.179134][ T903] netlink_unicast+0x449/0x710 [ 6956.179134][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.179134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.179134][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.179134][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.179134][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.179134][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6956.179134][ T903] [ 6956.181350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6956.181350][ T903] netdev_get_by_index+0x5e/0x80 [ 6956.181350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6956.181350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6956.181350][ T903] ip6_route_add+0x1c/0x140 [ 6956.181350][ T903] addrconf_add_mroute+0x129/0x180 [ 6956.181350][ T903] addrconf_add_dev+0xe2/0x170 [ 6956.181350][ T903] inet6_addr_add+0x12f/0xa40 [ 6956.181350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6956.181350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.181350][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.181350][ T903] netlink_unicast+0x449/0x710 [ 6956.181350][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.181350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.181350][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.181350][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.181350][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.181350][ T903] [ 6956.183510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6956.183510][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6956.183510][ T903] ipv6_find_idev+0x102/0x170 [ 6956.183510][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6956.183510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.183510][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.183510][ T903] netlink_unicast+0x449/0x710 [ 6956.183510][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.183510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.183510][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.183510][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.183510][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.183510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6956.183510][ T903] [ 6956.185216][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6956.185216][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6956.185216][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6956.185216][ T903] ipv6_find_idev+0x102/0x170 [ 6956.185216][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6956.185216][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6956.185216][ T903] netlink_rcv_skb+0x130/0x360 [ 6956.185216][ T903] netlink_unicast+0x449/0x710 [ 6956.185216][ T903] netlink_sendmsg+0x723/0xbe0 [ 6956.185216][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6956.185216][ T903] ___sys_sendmsg+0xee/0x170 [ 6956.185216][ T903] __sys_sendmsg+0xcd/0x170 [ 6956.185216][ T903] do_syscall_64+0xc6/0x1e0 [ 6956.185216][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6956.185216][ T903] [ 6966.429866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6966.430645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6966.430645][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6966.430645][ T903] ip6_validate_gw+0x3eb/0x790 [ 6966.430645][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6966.430645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6966.430645][ T903] ip6_route_add+0x1c/0x140 [ 6966.430645][ T903] inet6_rtm_newroute+0x104/0x110 [ 6966.430645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.430645][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.430645][ T903] netlink_unicast+0x449/0x710 [ 6966.430645][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.430645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.430645][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.430645][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.430645][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.430645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6966.430645][ T903] [ 6966.432713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6966.432713][ T903] netdev_get_by_index+0x5e/0x80 [ 6966.432713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6966.432713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6966.432713][ T903] ip6_route_add+0x1c/0x140 [ 6966.432713][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6966.432713][ T903] inet6_addr_add+0x4f8/0xa40 [ 6966.432713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6966.432713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.432713][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.432713][ T903] netlink_unicast+0x449/0x710 [ 6966.432713][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.432713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.432713][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.432713][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.432713][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.432713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6966.432713][ T903] [ 6966.434863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6966.434863][ T903] netdev_get_by_index+0x5e/0x80 [ 6966.434863][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6966.434863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6966.434863][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6966.434863][ T903] ipv6_add_addr+0x411/0x2000 [ 6966.434863][ T903] inet6_addr_add+0x30e/0xa40 [ 6966.434863][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6966.434863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.434863][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.434863][ T903] netlink_unicast+0x449/0x710 [ 6966.434863][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.434863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.434863][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.434863][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.434863][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.434863][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6966.434863][ T903] [ 6966.437055][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6966.437055][ T903] netdev_get_by_index+0x5e/0x80 [ 6966.437055][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6966.437055][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6966.437055][ T903] ip6_route_add+0x1c/0x140 [ 6966.437055][ T903] addrconf_add_mroute+0x129/0x180 [ 6966.437055][ T903] addrconf_add_dev+0xe2/0x170 [ 6966.437055][ T903] inet6_addr_add+0x12f/0xa40 [ 6966.437055][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6966.437055][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.437055][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.437055][ T903] netlink_unicast+0x449/0x710 [ 6966.437055][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.437055][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.437055][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.437055][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.437055][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.437055][ T903] [ 6966.439229][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6966.439229][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6966.439229][ T903] ipv6_find_idev+0x102/0x170 [ 6966.439229][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6966.439229][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.439229][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.439229][ T903] netlink_unicast+0x449/0x710 [ 6966.439229][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.439229][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.439229][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.439229][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.439229][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.439229][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6966.439229][ T903] [ 6966.440924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6966.440924][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6966.440924][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6966.440924][ T903] ipv6_find_idev+0x102/0x170 [ 6966.440924][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6966.440924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6966.440924][ T903] netlink_rcv_skb+0x130/0x360 [ 6966.440924][ T903] netlink_unicast+0x449/0x710 [ 6966.440924][ T903] netlink_sendmsg+0x723/0xbe0 [ 6966.440924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6966.440924][ T903] ___sys_sendmsg+0xee/0x170 [ 6966.440924][ T903] __sys_sendmsg+0xcd/0x170 [ 6966.440924][ T903] do_syscall_64+0xc6/0x1e0 [ 6966.440924][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6966.440924][ T903] [ 6976.685803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6976.686307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6976.686307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6976.686307][ T903] ip6_validate_gw+0x3eb/0x790 [ 6976.686307][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6976.686307][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6976.686307][ T903] ip6_route_add+0x1c/0x140 [ 6976.686307][ T903] inet6_rtm_newroute+0x104/0x110 [ 6976.686307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.686307][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.686307][ T903] netlink_unicast+0x449/0x710 [ 6976.686307][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.686307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.686307][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.686307][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.686307][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.686307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6976.686307][ T903] [ 6976.688521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6976.688521][ T903] netdev_get_by_index+0x5e/0x80 [ 6976.688521][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6976.688521][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6976.688521][ T903] ip6_route_add+0x1c/0x140 [ 6976.688521][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6976.688521][ T903] inet6_addr_add+0x4f8/0xa40 [ 6976.688521][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6976.688521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.688521][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.688521][ T903] netlink_unicast+0x449/0x710 [ 6976.688521][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.688521][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.688521][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.688521][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.688521][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.688521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6976.688521][ T903] [ 6976.690739][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6976.690739][ T903] netdev_get_by_index+0x5e/0x80 [ 6976.690739][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6976.690739][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6976.690739][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6976.690739][ T903] ipv6_add_addr+0x411/0x2000 [ 6976.690739][ T903] inet6_addr_add+0x30e/0xa40 [ 6976.690739][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6976.690739][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.690739][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.690739][ T903] netlink_unicast+0x449/0x710 [ 6976.690739][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.690739][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.690739][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.690739][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.690739][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.690739][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6976.690739][ T903] [ 6976.692928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6976.692928][ T903] netdev_get_by_index+0x5e/0x80 [ 6976.692928][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6976.692928][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6976.692928][ T903] ip6_route_add+0x1c/0x140 [ 6976.692928][ T903] addrconf_add_mroute+0x129/0x180 [ 6976.692928][ T903] addrconf_add_dev+0xe2/0x170 [ 6976.692928][ T903] inet6_addr_add+0x12f/0xa40 [ 6976.692928][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6976.692928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.692928][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.692928][ T903] netlink_unicast+0x449/0x710 [ 6976.692928][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.692928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.692928][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.692928][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.692928][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.692928][ T903] [ 6976.695097][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6976.695097][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6976.695097][ T903] ipv6_find_idev+0x102/0x170 [ 6976.695097][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6976.695097][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.695097][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.695097][ T903] netlink_unicast+0x449/0x710 [ 6976.695097][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.695097][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.695097][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.695097][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.695097][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.695097][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6976.695097][ T903] [ 6976.696782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6976.696782][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6976.696782][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6976.696782][ T903] ipv6_find_idev+0x102/0x170 [ 6976.696782][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6976.696782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6976.696782][ T903] netlink_rcv_skb+0x130/0x360 [ 6976.696782][ T903] netlink_unicast+0x449/0x710 [ 6976.696782][ T903] netlink_sendmsg+0x723/0xbe0 [ 6976.696782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6976.696782][ T903] ___sys_sendmsg+0xee/0x170 [ 6976.696782][ T903] __sys_sendmsg+0xcd/0x170 [ 6976.696782][ T903] do_syscall_64+0xc6/0x1e0 [ 6976.696782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6976.696782][ T903] [ 6986.757867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6986.758829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6986.758829][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6986.758829][ T903] ip6_validate_gw+0x3eb/0x790 [ 6986.758829][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6986.758829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6986.758829][ T903] ip6_route_add+0x1c/0x140 [ 6986.758829][ T903] inet6_rtm_newroute+0x104/0x110 [ 6986.758829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.758829][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.758829][ T903] netlink_unicast+0x449/0x710 [ 6986.758829][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.758829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.758829][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.758829][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.758829][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.758829][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6986.758829][ T903] [ 6986.760945][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6986.760945][ T903] netdev_get_by_index+0x5e/0x80 [ 6986.760945][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6986.760945][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6986.760945][ T903] ip6_route_add+0x1c/0x140 [ 6986.760945][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6986.760945][ T903] inet6_addr_add+0x4f8/0xa40 [ 6986.760945][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6986.760945][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.760945][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.760945][ T903] netlink_unicast+0x449/0x710 [ 6986.760945][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.760945][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.760945][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.760945][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.760945][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.760945][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6986.760945][ T903] [ 6986.763574][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6986.763574][ T903] netdev_get_by_index+0x5e/0x80 [ 6986.763574][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6986.763574][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6986.763574][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6986.763574][ T903] ipv6_add_addr+0x411/0x2000 [ 6986.763574][ T903] inet6_addr_add+0x30e/0xa40 [ 6986.763574][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6986.763574][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.763574][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.763574][ T903] netlink_unicast+0x449/0x710 [ 6986.763574][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.763574][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.763574][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.763574][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.763574][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.763574][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6986.763574][ T903] [ 6986.765712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6986.765712][ T903] netdev_get_by_index+0x5e/0x80 [ 6986.765712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6986.765712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6986.765712][ T903] ip6_route_add+0x1c/0x140 [ 6986.765712][ T903] addrconf_add_mroute+0x129/0x180 [ 6986.765712][ T903] addrconf_add_dev+0xe2/0x170 [ 6986.765712][ T903] inet6_addr_add+0x12f/0xa40 [ 6986.765712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6986.765712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.765712][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.765712][ T903] netlink_unicast+0x449/0x710 [ 6986.765712][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.765712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.765712][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.765712][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.765712][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.765712][ T903] [ 6986.767824][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6986.767824][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6986.767824][ T903] ipv6_find_idev+0x102/0x170 [ 6986.767824][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6986.767824][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.767824][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.767824][ T903] netlink_unicast+0x449/0x710 [ 6986.767824][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.767824][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.767824][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.767824][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.767824][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.767824][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6986.767824][ T903] [ 6986.769472][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6986.769472][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6986.769472][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6986.769472][ T903] ipv6_find_idev+0x102/0x170 [ 6986.769472][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6986.769472][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6986.769472][ T903] netlink_rcv_skb+0x130/0x360 [ 6986.769472][ T903] netlink_unicast+0x449/0x710 [ 6986.769472][ T903] netlink_sendmsg+0x723/0xbe0 [ 6986.769472][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6986.769472][ T903] ___sys_sendmsg+0xee/0x170 [ 6986.769472][ T903] __sys_sendmsg+0xcd/0x170 [ 6986.769472][ T903] do_syscall_64+0xc6/0x1e0 [ 6986.769472][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6986.769472][ T903] [ 6997.021868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6997.022699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 6997.022699][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 6997.022699][ T903] ip6_validate_gw+0x3eb/0x790 [ 6997.022699][ T903] fib6_nh_init+0xa5b/0x15b0 [ 6997.022699][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6997.022699][ T903] ip6_route_add+0x1c/0x140 [ 6997.022699][ T903] inet6_rtm_newroute+0x104/0x110 [ 6997.022699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.022699][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.022699][ T903] netlink_unicast+0x449/0x710 [ 6997.022699][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.022699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.022699][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.022699][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.022699][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.022699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6997.022699][ T903] [ 6997.024764][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6997.024764][ T903] netdev_get_by_index+0x5e/0x80 [ 6997.024764][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6997.024764][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6997.024764][ T903] ip6_route_add+0x1c/0x140 [ 6997.024764][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 6997.024764][ T903] inet6_addr_add+0x4f8/0xa40 [ 6997.024764][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6997.024764][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.024764][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.024764][ T903] netlink_unicast+0x449/0x710 [ 6997.024764][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.024764][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.024764][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.024764][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.024764][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.024764][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6997.024764][ T903] [ 6997.026913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6997.026913][ T903] netdev_get_by_index+0x5e/0x80 [ 6997.026913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6997.026913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6997.026913][ T903] addrconf_f6i_alloc+0x244/0x410 [ 6997.026913][ T903] ipv6_add_addr+0x411/0x2000 [ 6997.026913][ T903] inet6_addr_add+0x30e/0xa40 [ 6997.026913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6997.026913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.026913][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.026913][ T903] netlink_unicast+0x449/0x710 [ 6997.026913][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.026913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.026913][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.026913][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.026913][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.026913][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6997.026913][ T903] [ 6997.029054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6997.029054][ T903] netdev_get_by_index+0x5e/0x80 [ 6997.029054][ T903] fib6_nh_init+0x3d8/0x15b0 [ 6997.029054][ T903] ip6_route_info_create+0xf18/0x17d0 [ 6997.029054][ T903] ip6_route_add+0x1c/0x140 [ 6997.029054][ T903] addrconf_add_mroute+0x129/0x180 [ 6997.029054][ T903] addrconf_add_dev+0xe2/0x170 [ 6997.029054][ T903] inet6_addr_add+0x12f/0xa40 [ 6997.029054][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 6997.029054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.029054][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.029054][ T903] netlink_unicast+0x449/0x710 [ 6997.029054][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.029054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.029054][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.029054][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.029054][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.029054][ T903] [ 6997.031964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6997.031964][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 6997.031964][ T903] ipv6_find_idev+0x102/0x170 [ 6997.031964][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6997.031964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.031964][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.031964][ T903] netlink_unicast+0x449/0x710 [ 6997.031964][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.031964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.031964][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.031964][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.031964][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.031964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6997.031964][ T903] [ 6997.033709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 6997.033709][ T903] neigh_parms_alloc+0x1e5/0x510 [ 6997.033709][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 6997.033709][ T903] ipv6_find_idev+0x102/0x170 [ 6997.033709][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 6997.033709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6997.033709][ T903] netlink_rcv_skb+0x130/0x360 [ 6997.033709][ T903] netlink_unicast+0x449/0x710 [ 6997.033709][ T903] netlink_sendmsg+0x723/0xbe0 [ 6997.033709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 6997.033709][ T903] ___sys_sendmsg+0xee/0x170 [ 6997.033709][ T903] __sys_sendmsg+0xcd/0x170 [ 6997.033709][ T903] do_syscall_64+0xc6/0x1e0 [ 6997.033709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6997.033709][ T903] [ 7007.277865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7007.278819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7007.278819][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7007.278819][ T903] ip6_validate_gw+0x3eb/0x790 [ 7007.278819][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7007.278819][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7007.278819][ T903] ip6_route_add+0x1c/0x140 [ 7007.278819][ T903] inet6_rtm_newroute+0x104/0x110 [ 7007.278819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.278819][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.278819][ T903] netlink_unicast+0x449/0x710 [ 7007.278819][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.278819][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.278819][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.278819][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.278819][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.278819][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7007.278819][ T903] [ 7007.280929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7007.280929][ T903] netdev_get_by_index+0x5e/0x80 [ 7007.280929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7007.280929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7007.280929][ T903] ip6_route_add+0x1c/0x140 [ 7007.280929][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7007.280929][ T903] inet6_addr_add+0x4f8/0xa40 [ 7007.280929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7007.280929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.280929][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.280929][ T903] netlink_unicast+0x449/0x710 [ 7007.280929][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.280929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.280929][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.280929][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.280929][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.280929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7007.280929][ T903] [ 7007.283095][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7007.283095][ T903] netdev_get_by_index+0x5e/0x80 [ 7007.283095][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7007.283095][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7007.283095][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7007.283095][ T903] ipv6_add_addr+0x411/0x2000 [ 7007.283095][ T903] inet6_addr_add+0x30e/0xa40 [ 7007.283095][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7007.283095][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.283095][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.283095][ T903] netlink_unicast+0x449/0x710 [ 7007.283095][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.283095][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.283095][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.283095][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.283095][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.283095][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7007.283095][ T903] [ 7007.285282][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7007.285282][ T903] netdev_get_by_index+0x5e/0x80 [ 7007.285282][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7007.285282][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7007.285282][ T903] ip6_route_add+0x1c/0x140 [ 7007.285282][ T903] addrconf_add_mroute+0x129/0x180 [ 7007.285282][ T903] addrconf_add_dev+0xe2/0x170 [ 7007.285282][ T903] inet6_addr_add+0x12f/0xa40 [ 7007.285282][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7007.285282][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.285282][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.285282][ T903] netlink_unicast+0x449/0x710 [ 7007.285282][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.285282][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.285282][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.285282][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.285282][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.285282][ T903] [ 7007.287434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7007.287434][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7007.287434][ T903] ipv6_find_idev+0x102/0x170 [ 7007.287434][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7007.287434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.287434][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.287434][ T903] netlink_unicast+0x449/0x710 [ 7007.287434][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.287434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.287434][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.287434][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.287434][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.287434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7007.287434][ T903] [ 7007.289124][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7007.289124][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7007.289124][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7007.289124][ T903] ipv6_find_idev+0x102/0x170 [ 7007.289124][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7007.289124][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7007.289124][ T903] netlink_rcv_skb+0x130/0x360 [ 7007.289124][ T903] netlink_unicast+0x449/0x710 [ 7007.289124][ T903] netlink_sendmsg+0x723/0xbe0 [ 7007.289124][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7007.289124][ T903] ___sys_sendmsg+0xee/0x170 [ 7007.289124][ T903] __sys_sendmsg+0xcd/0x170 [ 7007.289124][ T903] do_syscall_64+0xc6/0x1e0 [ 7007.289124][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7007.289124][ T903] [ 7017.477879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7017.478820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7017.478820][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7017.478820][ T903] ip6_validate_gw+0x3eb/0x790 [ 7017.478820][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7017.478820][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7017.478820][ T903] ip6_route_add+0x1c/0x140 [ 7017.478820][ T903] inet6_rtm_newroute+0x104/0x110 [ 7017.478820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.478820][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.478820][ T903] netlink_unicast+0x449/0x710 [ 7017.478820][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.478820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.478820][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.478820][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.478820][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.478820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7017.478820][ T903] [ 7017.480953][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7017.480953][ T903] netdev_get_by_index+0x5e/0x80 [ 7017.480953][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7017.480953][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7017.480953][ T903] ip6_route_add+0x1c/0x140 [ 7017.480953][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7017.480953][ T903] inet6_addr_add+0x4f8/0xa40 [ 7017.480953][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7017.480953][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.480953][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.480953][ T903] netlink_unicast+0x449/0x710 [ 7017.480953][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.480953][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.480953][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.480953][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.480953][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.480953][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7017.480953][ T903] [ 7017.483100][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7017.483100][ T903] netdev_get_by_index+0x5e/0x80 [ 7017.483100][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7017.483100][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7017.483100][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7017.483100][ T903] ipv6_add_addr+0x411/0x2000 [ 7017.483100][ T903] inet6_addr_add+0x30e/0xa40 [ 7017.483100][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7017.483100][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.483100][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.483100][ T903] netlink_unicast+0x449/0x710 [ 7017.483100][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.483100][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.483100][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.483100][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.483100][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.483100][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7017.483100][ T903] [ 7017.485241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7017.485241][ T903] netdev_get_by_index+0x5e/0x80 [ 7017.485241][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7017.485241][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7017.485241][ T903] ip6_route_add+0x1c/0x140 [ 7017.485241][ T903] addrconf_add_mroute+0x129/0x180 [ 7017.485241][ T903] addrconf_add_dev+0xe2/0x170 [ 7017.485241][ T903] inet6_addr_add+0x12f/0xa40 [ 7017.485241][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7017.485241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.485241][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.485241][ T903] netlink_unicast+0x449/0x710 [ 7017.485241][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.485241][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.485241][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.485241][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.485241][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.485241][ T903] [ 7017.487344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7017.487344][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7017.487344][ T903] ipv6_find_idev+0x102/0x170 [ 7017.487344][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7017.487344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.487344][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.487344][ T903] netlink_unicast+0x449/0x710 [ 7017.487344][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.487344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.487344][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.487344][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.487344][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.487344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7017.487344][ T903] [ 7017.489052][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7017.489052][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7017.489052][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7017.489052][ T903] ipv6_find_idev+0x102/0x170 [ 7017.489052][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7017.489052][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7017.489052][ T903] netlink_rcv_skb+0x130/0x360 [ 7017.489052][ T903] netlink_unicast+0x449/0x710 [ 7017.489052][ T903] netlink_sendmsg+0x723/0xbe0 [ 7017.489052][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7017.489052][ T903] ___sys_sendmsg+0xee/0x170 [ 7017.489052][ T903] __sys_sendmsg+0xcd/0x170 [ 7017.489052][ T903] do_syscall_64+0xc6/0x1e0 [ 7017.489052][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7017.489052][ T903] [ 7027.733868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7027.734550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7027.734550][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7027.734550][ T903] ip6_validate_gw+0x3eb/0x790 [ 7027.734550][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7027.734550][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7027.734550][ T903] ip6_route_add+0x1c/0x140 [ 7027.734550][ T903] inet6_rtm_newroute+0x104/0x110 [ 7027.734550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.734550][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.734550][ T903] netlink_unicast+0x449/0x710 [ 7027.734550][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.734550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.734550][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.734550][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.734550][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.734550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7027.734550][ T903] [ 7027.736586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7027.736586][ T903] netdev_get_by_index+0x5e/0x80 [ 7027.736586][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7027.736586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7027.736586][ T903] ip6_route_add+0x1c/0x140 [ 7027.736586][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7027.736586][ T903] inet6_addr_add+0x4f8/0xa40 [ 7027.736586][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7027.736586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.736586][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.736586][ T903] netlink_unicast+0x449/0x710 [ 7027.736586][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.736586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.736586][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.736586][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.736586][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.736586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7027.736586][ T903] [ 7027.738736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7027.738736][ T903] netdev_get_by_index+0x5e/0x80 [ 7027.738736][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7027.738736][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7027.738736][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7027.738736][ T903] ipv6_add_addr+0x411/0x2000 [ 7027.738736][ T903] inet6_addr_add+0x30e/0xa40 [ 7027.738736][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7027.738736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.738736][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.738736][ T903] netlink_unicast+0x449/0x710 [ 7027.738736][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.738736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.738736][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.738736][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.738736][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.738736][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7027.738736][ T903] [ 7027.740881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7027.740881][ T903] netdev_get_by_index+0x5e/0x80 [ 7027.740881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7027.740881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7027.740881][ T903] ip6_route_add+0x1c/0x140 [ 7027.740881][ T903] addrconf_add_mroute+0x129/0x180 [ 7027.740881][ T903] addrconf_add_dev+0xe2/0x170 [ 7027.740881][ T903] inet6_addr_add+0x12f/0xa40 [ 7027.740881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7027.740881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.740881][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.740881][ T903] netlink_unicast+0x449/0x710 [ 7027.740881][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.740881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.740881][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.740881][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.740881][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.740881][ T903] [ 7027.742992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7027.742992][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7027.742992][ T903] ipv6_find_idev+0x102/0x170 [ 7027.742992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7027.742992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.742992][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.742992][ T903] netlink_unicast+0x449/0x710 [ 7027.742992][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.742992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.742992][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.742992][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.742992][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.742992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7027.742992][ T903] [ 7027.744687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7027.744687][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7027.744687][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7027.744687][ T903] ipv6_find_idev+0x102/0x170 [ 7027.744687][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7027.744687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7027.744687][ T903] netlink_rcv_skb+0x130/0x360 [ 7027.744687][ T903] netlink_unicast+0x449/0x710 [ 7027.744687][ T903] netlink_sendmsg+0x723/0xbe0 [ 7027.744687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7027.744687][ T903] ___sys_sendmsg+0xee/0x170 [ 7027.744687][ T903] __sys_sendmsg+0xcd/0x170 [ 7027.744687][ T903] do_syscall_64+0xc6/0x1e0 [ 7027.744687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7027.744687][ T903] [ 7037.981866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7037.982603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7037.982603][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7037.982603][ T903] ip6_validate_gw+0x3eb/0x790 [ 7037.982603][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7037.982603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7037.982603][ T903] ip6_route_add+0x1c/0x140 [ 7037.982603][ T903] inet6_rtm_newroute+0x104/0x110 [ 7037.982603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.982603][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.982603][ T903] netlink_unicast+0x449/0x710 [ 7037.982603][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.982603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.982603][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.982603][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.982603][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.982603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7037.982603][ T903] [ 7037.984709][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7037.984709][ T903] netdev_get_by_index+0x5e/0x80 [ 7037.984709][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7037.984709][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7037.984709][ T903] ip6_route_add+0x1c/0x140 [ 7037.984709][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7037.984709][ T903] inet6_addr_add+0x4f8/0xa40 [ 7037.984709][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7037.984709][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.984709][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.984709][ T903] netlink_unicast+0x449/0x710 [ 7037.984709][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.984709][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.984709][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.984709][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.984709][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.984709][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7037.984709][ T903] [ 7037.986889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7037.986889][ T903] netdev_get_by_index+0x5e/0x80 [ 7037.986889][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7037.986889][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7037.986889][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7037.986889][ T903] ipv6_add_addr+0x411/0x2000 [ 7037.986889][ T903] inet6_addr_add+0x30e/0xa40 [ 7037.986889][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7037.986889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.986889][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.986889][ T903] netlink_unicast+0x449/0x710 [ 7037.986889][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.986889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.986889][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.986889][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.986889][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.986889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7037.986889][ T903] [ 7037.989087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7037.989087][ T903] netdev_get_by_index+0x5e/0x80 [ 7037.989087][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7037.989087][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7037.989087][ T903] ip6_route_add+0x1c/0x140 [ 7037.989087][ T903] addrconf_add_mroute+0x129/0x180 [ 7037.989087][ T903] addrconf_add_dev+0xe2/0x170 [ 7037.989087][ T903] inet6_addr_add+0x12f/0xa40 [ 7037.989087][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7037.989087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.989087][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.989087][ T903] netlink_unicast+0x449/0x710 [ 7037.989087][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.989087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.989087][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.989087][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.989087][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.989087][ T903] [ 7037.991269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7037.991269][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7037.991269][ T903] ipv6_find_idev+0x102/0x170 [ 7037.991269][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7037.991269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.991269][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.991269][ T903] netlink_unicast+0x449/0x710 [ 7037.991269][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.991269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.991269][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.991269][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.991269][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.991269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7037.991269][ T903] [ 7037.992921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7037.992921][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7037.992921][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7037.992921][ T903] ipv6_find_idev+0x102/0x170 [ 7037.992921][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7037.992921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7037.992921][ T903] netlink_rcv_skb+0x130/0x360 [ 7037.992921][ T903] netlink_unicast+0x449/0x710 [ 7037.992921][ T903] netlink_sendmsg+0x723/0xbe0 [ 7037.992921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7037.992921][ T903] ___sys_sendmsg+0xee/0x170 [ 7037.992921][ T903] __sys_sendmsg+0xcd/0x170 [ 7037.992921][ T903] do_syscall_64+0xc6/0x1e0 [ 7037.992921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7037.992921][ T903] [ 7048.237876][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7048.238910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7048.238910][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7048.238910][ T903] ip6_validate_gw+0x3eb/0x790 [ 7048.238910][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7048.238910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7048.238910][ T903] ip6_route_add+0x1c/0x140 [ 7048.238910][ T903] inet6_rtm_newroute+0x104/0x110 [ 7048.238910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.238910][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.238910][ T903] netlink_unicast+0x449/0x710 [ 7048.238910][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.238910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.238910][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.238910][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.238910][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.238910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7048.238910][ T903] [ 7048.241015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7048.241015][ T903] netdev_get_by_index+0x5e/0x80 [ 7048.241015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7048.241015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7048.241015][ T903] ip6_route_add+0x1c/0x140 [ 7048.241015][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7048.241015][ T903] inet6_addr_add+0x4f8/0xa40 [ 7048.241015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7048.241015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.241015][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.241015][ T903] netlink_unicast+0x449/0x710 [ 7048.241015][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.241015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.241015][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.241015][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.241015][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.241015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7048.241015][ T903] [ 7048.243175][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7048.243175][ T903] netdev_get_by_index+0x5e/0x80 [ 7048.243175][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7048.243175][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7048.243175][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7048.243175][ T903] ipv6_add_addr+0x411/0x2000 [ 7048.243175][ T903] inet6_addr_add+0x30e/0xa40 [ 7048.243175][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7048.243175][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.243175][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.243175][ T903] netlink_unicast+0x449/0x710 [ 7048.243175][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.243175][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.243175][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.243175][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.243175][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.243175][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7048.243175][ T903] [ 7048.245322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7048.245322][ T903] netdev_get_by_index+0x5e/0x80 [ 7048.245322][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7048.245322][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7048.245322][ T903] ip6_route_add+0x1c/0x140 [ 7048.245322][ T903] addrconf_add_mroute+0x129/0x180 [ 7048.245322][ T903] addrconf_add_dev+0xe2/0x170 [ 7048.245322][ T903] inet6_addr_add+0x12f/0xa40 [ 7048.245322][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7048.245322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.245322][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.245322][ T903] netlink_unicast+0x449/0x710 [ 7048.245322][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.245322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.245322][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.245322][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.245322][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.245322][ T903] [ 7048.247406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7048.247406][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7048.247406][ T903] ipv6_find_idev+0x102/0x170 [ 7048.247406][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7048.247406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.247406][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.247406][ T903] netlink_unicast+0x449/0x710 [ 7048.247406][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.247406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.247406][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.247406][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.247406][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.247406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7048.247406][ T903] [ 7048.249121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7048.249121][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7048.249121][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7048.249121][ T903] ipv6_find_idev+0x102/0x170 [ 7048.249121][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7048.249121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7048.249121][ T903] netlink_rcv_skb+0x130/0x360 [ 7048.249121][ T903] netlink_unicast+0x449/0x710 [ 7048.249121][ T903] netlink_sendmsg+0x723/0xbe0 [ 7048.249121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7048.249121][ T903] ___sys_sendmsg+0xee/0x170 [ 7048.249121][ T903] __sys_sendmsg+0xcd/0x170 [ 7048.249121][ T903] do_syscall_64+0xc6/0x1e0 [ 7048.249121][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7048.249121][ T903] [ 7058.461955][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7058.462890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7058.462890][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7058.462890][ T903] ip6_validate_gw+0x3eb/0x790 [ 7058.462890][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7058.462890][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7058.462890][ T903] ip6_route_add+0x1c/0x140 [ 7058.462890][ T903] inet6_rtm_newroute+0x104/0x110 [ 7058.462890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.462890][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.462890][ T903] netlink_unicast+0x449/0x710 [ 7058.462890][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.462890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.462890][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.462890][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.462890][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.462890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7058.462890][ T903] [ 7058.464922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7058.464922][ T903] netdev_get_by_index+0x5e/0x80 [ 7058.464922][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7058.464922][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7058.464922][ T903] ip6_route_add+0x1c/0x140 [ 7058.464922][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7058.464922][ T903] inet6_addr_add+0x4f8/0xa40 [ 7058.464922][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7058.464922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.464922][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.464922][ T903] netlink_unicast+0x449/0x710 [ 7058.464922][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.464922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.464922][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.464922][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.464922][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.464922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7058.464922][ T903] [ 7058.467123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7058.467123][ T903] netdev_get_by_index+0x5e/0x80 [ 7058.467123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7058.467123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7058.467123][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7058.467123][ T903] ipv6_add_addr+0x411/0x2000 [ 7058.467123][ T903] inet6_addr_add+0x30e/0xa40 [ 7058.467123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7058.467123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.467123][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.467123][ T903] netlink_unicast+0x449/0x710 [ 7058.467123][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.467123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.467123][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.467123][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.467123][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.467123][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7058.467123][ T903] [ 7058.469276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7058.469276][ T903] netdev_get_by_index+0x5e/0x80 [ 7058.469276][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7058.469276][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7058.469276][ T903] ip6_route_add+0x1c/0x140 [ 7058.469276][ T903] addrconf_add_mroute+0x129/0x180 [ 7058.469276][ T903] addrconf_add_dev+0xe2/0x170 [ 7058.469276][ T903] inet6_addr_add+0x12f/0xa40 [ 7058.469276][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7058.469276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.469276][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.469276][ T903] netlink_unicast+0x449/0x710 [ 7058.469276][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.469276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.469276][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.469276][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.469276][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.469276][ T903] [ 7058.471330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7058.471330][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7058.471330][ T903] ipv6_find_idev+0x102/0x170 [ 7058.471330][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7058.471330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.471330][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.471330][ T903] netlink_unicast+0x449/0x710 [ 7058.471330][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.471330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.471330][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.471330][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.471330][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.471330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7058.471330][ T903] [ 7058.473037][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7058.473037][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7058.473037][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7058.473037][ T903] ipv6_find_idev+0x102/0x170 [ 7058.473037][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7058.473037][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7058.473037][ T903] netlink_rcv_skb+0x130/0x360 [ 7058.473037][ T903] netlink_unicast+0x449/0x710 [ 7058.473037][ T903] netlink_sendmsg+0x723/0xbe0 [ 7058.473037][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7058.473037][ T903] ___sys_sendmsg+0xee/0x170 [ 7058.473037][ T903] __sys_sendmsg+0xcd/0x170 [ 7058.473037][ T903] do_syscall_64+0xc6/0x1e0 [ 7058.473037][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7058.473037][ T903] [ 7068.717866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7068.718749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7068.718749][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7068.718749][ T903] ip6_validate_gw+0x3eb/0x790 [ 7068.718749][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7068.718749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7068.718749][ T903] ip6_route_add+0x1c/0x140 [ 7068.718749][ T903] inet6_rtm_newroute+0x104/0x110 [ 7068.718749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.718749][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.718749][ T903] netlink_unicast+0x449/0x710 [ 7068.718749][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.718749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.718749][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.718749][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.718749][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.718749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7068.718749][ T903] [ 7068.720921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7068.720921][ T903] netdev_get_by_index+0x5e/0x80 [ 7068.720921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7068.720921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7068.720921][ T903] ip6_route_add+0x1c/0x140 [ 7068.720921][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7068.720921][ T903] inet6_addr_add+0x4f8/0xa40 [ 7068.720921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7068.720921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.720921][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.720921][ T903] netlink_unicast+0x449/0x710 [ 7068.720921][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.720921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.720921][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.720921][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.720921][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.720921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7068.720921][ T903] [ 7068.723182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7068.723182][ T903] netdev_get_by_index+0x5e/0x80 [ 7068.723182][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7068.723182][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7068.723182][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7068.723182][ T903] ipv6_add_addr+0x411/0x2000 [ 7068.723182][ T903] inet6_addr_add+0x30e/0xa40 [ 7068.723182][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7068.723182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.723182][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.723182][ T903] netlink_unicast+0x449/0x710 [ 7068.723182][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.723182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.723182][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.723182][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.723182][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.723182][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7068.723182][ T903] [ 7068.725242][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7068.725242][ T903] netdev_get_by_index+0x5e/0x80 [ 7068.725242][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7068.725242][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7068.725242][ T903] ip6_route_add+0x1c/0x140 [ 7068.725242][ T903] addrconf_add_mroute+0x129/0x180 [ 7068.725242][ T903] addrconf_add_dev+0xe2/0x170 [ 7068.725242][ T903] inet6_addr_add+0x12f/0xa40 [ 7068.725242][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7068.725242][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.725242][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.725242][ T903] netlink_unicast+0x449/0x710 [ 7068.725242][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.725242][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.725242][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.725242][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.725242][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.725242][ T903] [ 7068.727343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7068.727343][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7068.727343][ T903] ipv6_find_idev+0x102/0x170 [ 7068.727343][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7068.727343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.727343][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.727343][ T903] netlink_unicast+0x449/0x710 [ 7068.727343][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.727343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.727343][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.727343][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.727343][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.727343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7068.727343][ T903] [ 7068.729023][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7068.729023][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7068.729023][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7068.729023][ T903] ipv6_find_idev+0x102/0x170 [ 7068.729023][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7068.729023][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7068.729023][ T903] netlink_rcv_skb+0x130/0x360 [ 7068.729023][ T903] netlink_unicast+0x449/0x710 [ 7068.729023][ T903] netlink_sendmsg+0x723/0xbe0 [ 7068.729023][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7068.729023][ T903] ___sys_sendmsg+0xee/0x170 [ 7068.729023][ T903] __sys_sendmsg+0xcd/0x170 [ 7068.729023][ T903] do_syscall_64+0xc6/0x1e0 [ 7068.729023][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7068.729023][ T903] [ 7078.973918][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7078.974708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7078.974708][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7078.974708][ T903] ip6_validate_gw+0x3eb/0x790 [ 7078.974708][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7078.974708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7078.974708][ T903] ip6_route_add+0x1c/0x140 [ 7078.974708][ T903] inet6_rtm_newroute+0x104/0x110 [ 7078.974708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.974708][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.974708][ T903] netlink_unicast+0x449/0x710 [ 7078.974708][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.974708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.974708][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.974708][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.974708][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.974708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.974708][ T903] [ 7078.976813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7078.976813][ T903] netdev_get_by_index+0x5e/0x80 [ 7078.976813][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7078.976813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7078.976813][ T903] ip6_route_add+0x1c/0x140 [ 7078.976813][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7078.976813][ T903] inet6_addr_add+0x4f8/0xa40 [ 7078.976813][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.976813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.976813][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.976813][ T903] netlink_unicast+0x449/0x710 [ 7078.976813][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.976813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.976813][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.976813][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.976813][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.976813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.976813][ T903] [ 7078.978960][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7078.978960][ T903] netdev_get_by_index+0x5e/0x80 [ 7078.978960][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7078.978960][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7078.978960][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7078.978960][ T903] ipv6_add_addr+0x411/0x2000 [ 7078.978960][ T903] inet6_addr_add+0x30e/0xa40 [ 7078.978960][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.978960][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.978960][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.978960][ T903] netlink_unicast+0x449/0x710 [ 7078.978960][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.978960][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.978960][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.978960][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.978960][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.978960][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.978960][ T903] [ 7078.981310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7078.981310][ T903] netdev_get_by_index+0x5e/0x80 [ 7078.981310][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7078.981310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7078.981310][ T903] ip6_route_add+0x1c/0x140 [ 7078.981310][ T903] addrconf_add_mroute+0x129/0x180 [ 7078.981310][ T903] addrconf_add_dev+0xe2/0x170 [ 7078.981310][ T903] inet6_addr_add+0x12f/0xa40 [ 7078.981310][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7078.981310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.981310][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.981310][ T903] netlink_unicast+0x449/0x710 [ 7078.981310][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.981310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.981310][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.981310][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.981310][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.981310][ T903] [ 7078.983490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7078.983490][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7078.983490][ T903] ipv6_find_idev+0x102/0x170 [ 7078.983490][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7078.983490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.983490][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.983490][ T903] netlink_unicast+0x449/0x710 [ 7078.983490][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.983490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.983490][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.983490][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.983490][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.983490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.983490][ T903] [ 7078.985142][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7078.985142][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7078.985142][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7078.985142][ T903] ipv6_find_idev+0x102/0x170 [ 7078.985142][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7078.985142][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7078.985142][ T903] netlink_rcv_skb+0x130/0x360 [ 7078.985142][ T903] netlink_unicast+0x449/0x710 [ 7078.985142][ T903] netlink_sendmsg+0x723/0xbe0 [ 7078.985142][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7078.985142][ T903] ___sys_sendmsg+0xee/0x170 [ 7078.985142][ T903] __sys_sendmsg+0xcd/0x170 [ 7078.985142][ T903] do_syscall_64+0xc6/0x1e0 [ 7078.985142][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7078.985142][ T903] [ 7089.229798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7089.230301][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7089.230301][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7089.230301][ T903] ip6_validate_gw+0x3eb/0x790 [ 7089.230301][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7089.230301][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7089.230301][ T903] ip6_route_add+0x1c/0x140 [ 7089.230301][ T903] inet6_rtm_newroute+0x104/0x110 [ 7089.230301][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.230301][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.230301][ T903] netlink_unicast+0x449/0x710 [ 7089.230301][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.230301][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.230301][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.230301][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.230301][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.230301][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7089.230301][ T903] [ 7089.232394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7089.232394][ T903] netdev_get_by_index+0x5e/0x80 [ 7089.232394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7089.232394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7089.232394][ T903] ip6_route_add+0x1c/0x140 [ 7089.232394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7089.232394][ T903] inet6_addr_add+0x4f8/0xa40 [ 7089.232394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7089.232394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.232394][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.232394][ T903] netlink_unicast+0x449/0x710 [ 7089.232394][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.232394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.232394][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.232394][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.232394][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.232394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7089.232394][ T903] [ 7089.234629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7089.234629][ T903] netdev_get_by_index+0x5e/0x80 [ 7089.234629][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7089.234629][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7089.234629][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7089.234629][ T903] ipv6_add_addr+0x411/0x2000 [ 7089.234629][ T903] inet6_addr_add+0x30e/0xa40 [ 7089.234629][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7089.234629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.234629][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.234629][ T903] netlink_unicast+0x449/0x710 [ 7089.234629][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.234629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.234629][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.234629][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.234629][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.234629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7089.234629][ T903] [ 7089.236777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7089.236777][ T903] netdev_get_by_index+0x5e/0x80 [ 7089.236777][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7089.236777][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7089.236777][ T903] ip6_route_add+0x1c/0x140 [ 7089.236777][ T903] addrconf_add_mroute+0x129/0x180 [ 7089.236777][ T903] addrconf_add_dev+0xe2/0x170 [ 7089.236777][ T903] inet6_addr_add+0x12f/0xa40 [ 7089.236777][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7089.236777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.236777][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.236777][ T903] netlink_unicast+0x449/0x710 [ 7089.236777][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.236777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.236777][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.236777][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.236777][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.236777][ T903] [ 7089.238894][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7089.238894][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7089.238894][ T903] ipv6_find_idev+0x102/0x170 [ 7089.238894][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7089.238894][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.238894][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.238894][ T903] netlink_unicast+0x449/0x710 [ 7089.238894][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.238894][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.238894][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.238894][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.238894][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.238894][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7089.238894][ T903] [ 7089.240605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7089.240605][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7089.240605][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7089.240605][ T903] ipv6_find_idev+0x102/0x170 [ 7089.240605][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7089.240605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7089.240605][ T903] netlink_rcv_skb+0x130/0x360 [ 7089.240605][ T903] netlink_unicast+0x449/0x710 [ 7089.240605][ T903] netlink_sendmsg+0x723/0xbe0 [ 7089.240605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7089.240605][ T903] ___sys_sendmsg+0xee/0x170 [ 7089.240605][ T903] __sys_sendmsg+0xcd/0x170 [ 7089.240605][ T903] do_syscall_64+0xc6/0x1e0 [ 7089.240605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7089.240605][ T903] [ 7099.477867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7099.478615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7099.478615][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7099.478615][ T903] ip6_validate_gw+0x3eb/0x790 [ 7099.478615][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7099.478615][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7099.478615][ T903] ip6_route_add+0x1c/0x140 [ 7099.478615][ T903] inet6_rtm_newroute+0x104/0x110 [ 7099.478615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.478615][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.478615][ T903] netlink_unicast+0x449/0x710 [ 7099.478615][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.478615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.478615][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.478615][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.478615][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.478615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7099.478615][ T903] [ 7099.480741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7099.480741][ T903] netdev_get_by_index+0x5e/0x80 [ 7099.480741][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7099.480741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7099.480741][ T903] ip6_route_add+0x1c/0x140 [ 7099.480741][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7099.480741][ T903] inet6_addr_add+0x4f8/0xa40 [ 7099.480741][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7099.480741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.480741][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.480741][ T903] netlink_unicast+0x449/0x710 [ 7099.480741][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.480741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.480741][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.480741][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.480741][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.480741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7099.480741][ T903] [ 7099.482950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7099.482950][ T903] netdev_get_by_index+0x5e/0x80 [ 7099.482950][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7099.482950][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7099.482950][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7099.482950][ T903] ipv6_add_addr+0x411/0x2000 [ 7099.482950][ T903] inet6_addr_add+0x30e/0xa40 [ 7099.482950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7099.482950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.482950][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.482950][ T903] netlink_unicast+0x449/0x710 [ 7099.482950][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.482950][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.482950][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.482950][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.482950][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.482950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7099.482950][ T903] [ 7099.485123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7099.485123][ T903] netdev_get_by_index+0x5e/0x80 [ 7099.485123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7099.485123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7099.485123][ T903] ip6_route_add+0x1c/0x140 [ 7099.485123][ T903] addrconf_add_mroute+0x129/0x180 [ 7099.485123][ T903] addrconf_add_dev+0xe2/0x170 [ 7099.485123][ T903] inet6_addr_add+0x12f/0xa40 [ 7099.485123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7099.485123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.485123][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.485123][ T903] netlink_unicast+0x449/0x710 [ 7099.485123][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.485123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.485123][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.485123][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.485123][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.485123][ T903] [ 7099.487294][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7099.487294][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7099.487294][ T903] ipv6_find_idev+0x102/0x170 [ 7099.487294][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7099.487294][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.487294][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.487294][ T903] netlink_unicast+0x449/0x710 [ 7099.487294][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.487294][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.487294][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.487294][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.487294][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.487294][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7099.487294][ T903] [ 7099.488980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7099.488980][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7099.488980][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7099.488980][ T903] ipv6_find_idev+0x102/0x170 [ 7099.488980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7099.488980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7099.488980][ T903] netlink_rcv_skb+0x130/0x360 [ 7099.488980][ T903] netlink_unicast+0x449/0x710 [ 7099.488980][ T903] netlink_sendmsg+0x723/0xbe0 [ 7099.488980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7099.488980][ T903] ___sys_sendmsg+0xee/0x170 [ 7099.488980][ T903] __sys_sendmsg+0xcd/0x170 [ 7099.488980][ T903] do_syscall_64+0xc6/0x1e0 [ 7099.488980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7099.488980][ T903] [ 7109.733896][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7109.734752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7109.734752][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7109.734752][ T903] ip6_validate_gw+0x3eb/0x790 [ 7109.734752][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7109.734752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7109.734752][ T903] ip6_route_add+0x1c/0x140 [ 7109.734752][ T903] inet6_rtm_newroute+0x104/0x110 [ 7109.734752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.734752][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.734752][ T903] netlink_unicast+0x449/0x710 [ 7109.734752][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.734752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.734752][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.734752][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.734752][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.734752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7109.734752][ T903] [ 7109.736839][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7109.736839][ T903] netdev_get_by_index+0x5e/0x80 [ 7109.736839][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7109.736839][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7109.736839][ T903] ip6_route_add+0x1c/0x140 [ 7109.736839][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7109.736839][ T903] inet6_addr_add+0x4f8/0xa40 [ 7109.736839][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7109.736839][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.736839][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.736839][ T903] netlink_unicast+0x449/0x710 [ 7109.736839][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.736839][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.736839][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.736839][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.736839][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.736839][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7109.736839][ T903] [ 7109.738916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7109.738916][ T903] netdev_get_by_index+0x5e/0x80 [ 7109.738916][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7109.738916][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7109.738916][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7109.738916][ T903] ipv6_add_addr+0x411/0x2000 [ 7109.738916][ T903] inet6_addr_add+0x30e/0xa40 [ 7109.738916][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7109.738916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.738916][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.738916][ T903] netlink_unicast+0x449/0x710 [ 7109.738916][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.738916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.738916][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.738916][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.738916][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.738916][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7109.738916][ T903] [ 7109.741121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7109.741121][ T903] netdev_get_by_index+0x5e/0x80 [ 7109.741121][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7109.741121][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7109.741121][ T903] ip6_route_add+0x1c/0x140 [ 7109.741121][ T903] addrconf_add_mroute+0x129/0x180 [ 7109.741121][ T903] addrconf_add_dev+0xe2/0x170 [ 7109.741121][ T903] inet6_addr_add+0x12f/0xa40 [ 7109.741121][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7109.741121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.741121][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.741121][ T903] netlink_unicast+0x449/0x710 [ 7109.741121][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.741121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.741121][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.741121][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.741121][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.741121][ T903] [ 7109.743212][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7109.743212][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7109.743212][ T903] ipv6_find_idev+0x102/0x170 [ 7109.743212][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7109.743212][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.743212][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.743212][ T903] netlink_unicast+0x449/0x710 [ 7109.743212][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.743212][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.743212][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.743212][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.743212][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.743212][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7109.743212][ T903] [ 7109.744798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7109.744798][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7109.744798][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7109.744798][ T903] ipv6_find_idev+0x102/0x170 [ 7109.744798][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7109.744798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7109.744798][ T903] netlink_rcv_skb+0x130/0x360 [ 7109.744798][ T903] netlink_unicast+0x449/0x710 [ 7109.744798][ T903] netlink_sendmsg+0x723/0xbe0 [ 7109.744798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7109.744798][ T903] ___sys_sendmsg+0xee/0x170 [ 7109.744798][ T903] __sys_sendmsg+0xcd/0x170 [ 7109.744798][ T903] do_syscall_64+0xc6/0x1e0 [ 7109.744798][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7109.744798][ T903] [ 7119.981880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7119.982696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7119.982696][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7119.982696][ T903] ip6_validate_gw+0x3eb/0x790 [ 7119.982696][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7119.982696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7119.982696][ T903] ip6_route_add+0x1c/0x140 [ 7119.982696][ T903] inet6_rtm_newroute+0x104/0x110 [ 7119.982696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.982696][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.982696][ T903] netlink_unicast+0x449/0x710 [ 7119.982696][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.982696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.982696][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.982696][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.982696][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.982696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.982696][ T903] [ 7119.984807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7119.984807][ T903] netdev_get_by_index+0x5e/0x80 [ 7119.984807][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7119.984807][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7119.984807][ T903] ip6_route_add+0x1c/0x140 [ 7119.984807][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7119.984807][ T903] inet6_addr_add+0x4f8/0xa40 [ 7119.984807][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.984807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.984807][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.984807][ T903] netlink_unicast+0x449/0x710 [ 7119.984807][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.984807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.984807][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.984807][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.984807][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.984807][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.984807][ T903] [ 7119.986970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7119.986970][ T903] netdev_get_by_index+0x5e/0x80 [ 7119.986970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7119.986970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7119.986970][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7119.986970][ T903] ipv6_add_addr+0x411/0x2000 [ 7119.986970][ T903] inet6_addr_add+0x30e/0xa40 [ 7119.986970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.986970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.986970][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.986970][ T903] netlink_unicast+0x449/0x710 [ 7119.986970][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.986970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.986970][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.986970][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.986970][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.986970][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.986970][ T903] [ 7119.989041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7119.989041][ T903] netdev_get_by_index+0x5e/0x80 [ 7119.989041][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7119.989041][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7119.989041][ T903] ip6_route_add+0x1c/0x140 [ 7119.989041][ T903] addrconf_add_mroute+0x129/0x180 [ 7119.989041][ T903] addrconf_add_dev+0xe2/0x170 [ 7119.989041][ T903] inet6_addr_add+0x12f/0xa40 [ 7119.989041][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7119.989041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.989041][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.989041][ T903] netlink_unicast+0x449/0x710 [ 7119.989041][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.989041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.989041][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.989041][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.989041][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.989041][ T903] [ 7119.991267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7119.991267][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7119.991267][ T903] ipv6_find_idev+0x102/0x170 [ 7119.991267][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7119.991267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.991267][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.991267][ T903] netlink_unicast+0x449/0x710 [ 7119.991267][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.991267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.991267][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.991267][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.991267][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.991267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.991267][ T903] [ 7119.992856][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7119.992856][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7119.992856][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7119.992856][ T903] ipv6_find_idev+0x102/0x170 [ 7119.992856][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7119.992856][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7119.992856][ T903] netlink_rcv_skb+0x130/0x360 [ 7119.992856][ T903] netlink_unicast+0x449/0x710 [ 7119.992856][ T903] netlink_sendmsg+0x723/0xbe0 [ 7119.992856][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7119.992856][ T903] ___sys_sendmsg+0xee/0x170 [ 7119.992856][ T903] __sys_sendmsg+0xcd/0x170 [ 7119.992856][ T903] do_syscall_64+0xc6/0x1e0 [ 7119.992856][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7119.992856][ T903] [ 7130.149800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7130.150335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7130.150335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7130.150335][ T903] ip6_validate_gw+0x3eb/0x790 [ 7130.150335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7130.150335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7130.150335][ T903] ip6_route_add+0x1c/0x140 [ 7130.150335][ T903] inet6_rtm_newroute+0x104/0x110 [ 7130.150335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.150335][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.150335][ T903] netlink_unicast+0x449/0x710 [ 7130.150335][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.150335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.150335][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.150335][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.150335][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.150335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7130.150335][ T903] [ 7130.152420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7130.152420][ T903] netdev_get_by_index+0x5e/0x80 [ 7130.152420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7130.152420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7130.152420][ T903] ip6_route_add+0x1c/0x140 [ 7130.152420][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7130.152420][ T903] inet6_addr_add+0x4f8/0xa40 [ 7130.152420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7130.152420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.152420][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.152420][ T903] netlink_unicast+0x449/0x710 [ 7130.152420][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.152420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.152420][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.152420][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.152420][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.152420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7130.152420][ T903] [ 7130.154511][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7130.154511][ T903] netdev_get_by_index+0x5e/0x80 [ 7130.154511][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7130.154511][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7130.154511][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7130.154511][ T903] ipv6_add_addr+0x411/0x2000 [ 7130.154511][ T903] inet6_addr_add+0x30e/0xa40 [ 7130.154511][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7130.154511][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.154511][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.154511][ T903] netlink_unicast+0x449/0x710 [ 7130.154511][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.154511][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.154511][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.154511][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.154511][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.154511][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7130.154511][ T903] [ 7130.156665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7130.156665][ T903] netdev_get_by_index+0x5e/0x80 [ 7130.156665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7130.156665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7130.156665][ T903] ip6_route_add+0x1c/0x140 [ 7130.156665][ T903] addrconf_add_mroute+0x129/0x180 [ 7130.156665][ T903] addrconf_add_dev+0xe2/0x170 [ 7130.156665][ T903] inet6_addr_add+0x12f/0xa40 [ 7130.156665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7130.156665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.156665][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.156665][ T903] netlink_unicast+0x449/0x710 [ 7130.156665][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.156665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.156665][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.156665][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.156665][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.156665][ T903] [ 7130.158688][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7130.158688][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7130.158688][ T903] ipv6_find_idev+0x102/0x170 [ 7130.158688][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7130.158688][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.158688][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.158688][ T903] netlink_unicast+0x449/0x710 [ 7130.158688][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.158688][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.158688][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.158688][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.158688][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.158688][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7130.158688][ T903] [ 7130.160421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7130.160421][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7130.160421][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7130.160421][ T903] ipv6_find_idev+0x102/0x170 [ 7130.160421][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7130.160421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7130.160421][ T903] netlink_rcv_skb+0x130/0x360 [ 7130.160421][ T903] netlink_unicast+0x449/0x710 [ 7130.160421][ T903] netlink_sendmsg+0x723/0xbe0 [ 7130.160421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7130.160421][ T903] ___sys_sendmsg+0xee/0x170 [ 7130.160421][ T903] __sys_sendmsg+0xcd/0x170 [ 7130.160421][ T903] do_syscall_64+0xc6/0x1e0 [ 7130.160421][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7130.160421][ T903] [ 7140.397794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7140.398253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7140.398253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7140.398253][ T903] ip6_validate_gw+0x3eb/0x790 [ 7140.398253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7140.398253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7140.398253][ T903] ip6_route_add+0x1c/0x140 [ 7140.398253][ T903] inet6_rtm_newroute+0x104/0x110 [ 7140.398253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.398253][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.398253][ T903] netlink_unicast+0x449/0x710 [ 7140.398253][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.398253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.398253][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.398253][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.398253][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.398253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7140.398253][ T903] [ 7140.400380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7140.400380][ T903] netdev_get_by_index+0x5e/0x80 [ 7140.400380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7140.400380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7140.400380][ T903] ip6_route_add+0x1c/0x140 [ 7140.400380][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7140.400380][ T903] inet6_addr_add+0x4f8/0xa40 [ 7140.400380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7140.400380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.400380][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.400380][ T903] netlink_unicast+0x449/0x710 [ 7140.400380][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.400380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.400380][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.400380][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.400380][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.400380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7140.400380][ T903] [ 7140.402633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7140.402633][ T903] netdev_get_by_index+0x5e/0x80 [ 7140.402633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7140.402633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7140.402633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7140.402633][ T903] ipv6_add_addr+0x411/0x2000 [ 7140.402633][ T903] inet6_addr_add+0x30e/0xa40 [ 7140.402633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7140.402633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.402633][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.402633][ T903] netlink_unicast+0x449/0x710 [ 7140.402633][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.402633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.402633][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.402633][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.402633][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.402633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7140.402633][ T903] [ 7140.404867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7140.404867][ T903] netdev_get_by_index+0x5e/0x80 [ 7140.404867][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7140.404867][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7140.404867][ T903] ip6_route_add+0x1c/0x140 [ 7140.404867][ T903] addrconf_add_mroute+0x129/0x180 [ 7140.404867][ T903] addrconf_add_dev+0xe2/0x170 [ 7140.404867][ T903] inet6_addr_add+0x12f/0xa40 [ 7140.404867][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7140.404867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.404867][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.404867][ T903] netlink_unicast+0x449/0x710 [ 7140.404867][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.404867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.404867][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.404867][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.404867][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.404867][ T903] [ 7140.407046][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7140.407046][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7140.407046][ T903] ipv6_find_idev+0x102/0x170 [ 7140.407046][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7140.407046][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.407046][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.407046][ T903] netlink_unicast+0x449/0x710 [ 7140.407046][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.407046][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.407046][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.407046][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.407046][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.407046][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7140.407046][ T903] [ 7140.408785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7140.408785][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7140.408785][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7140.408785][ T903] ipv6_find_idev+0x102/0x170 [ 7140.408785][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7140.408785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7140.408785][ T903] netlink_rcv_skb+0x130/0x360 [ 7140.408785][ T903] netlink_unicast+0x449/0x710 [ 7140.408785][ T903] netlink_sendmsg+0x723/0xbe0 [ 7140.408785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7140.408785][ T903] ___sys_sendmsg+0xee/0x170 [ 7140.408785][ T903] __sys_sendmsg+0xcd/0x170 [ 7140.408785][ T903] do_syscall_64+0xc6/0x1e0 [ 7140.408785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7140.408785][ T903] [ 7150.653949][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7150.654733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7150.654733][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7150.654733][ T903] ip6_validate_gw+0x3eb/0x790 [ 7150.654733][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7150.654733][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7150.654733][ T903] ip6_route_add+0x1c/0x140 [ 7150.654733][ T903] inet6_rtm_newroute+0x104/0x110 [ 7150.654733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.654733][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.654733][ T903] netlink_unicast+0x449/0x710 [ 7150.654733][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.654733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.654733][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.654733][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.654733][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.654733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7150.654733][ T903] [ 7150.656788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7150.656788][ T903] netdev_get_by_index+0x5e/0x80 [ 7150.656788][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7150.656788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7150.656788][ T903] ip6_route_add+0x1c/0x140 [ 7150.656788][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7150.656788][ T903] inet6_addr_add+0x4f8/0xa40 [ 7150.656788][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7150.656788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.656788][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.656788][ T903] netlink_unicast+0x449/0x710 [ 7150.656788][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.656788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.656788][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.656788][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.656788][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.656788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7150.656788][ T903] [ 7150.658890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7150.658890][ T903] netdev_get_by_index+0x5e/0x80 [ 7150.658890][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7150.658890][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7150.658890][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7150.658890][ T903] ipv6_add_addr+0x411/0x2000 [ 7150.658890][ T903] inet6_addr_add+0x30e/0xa40 [ 7150.658890][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7150.658890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.658890][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.658890][ T903] netlink_unicast+0x449/0x710 [ 7150.658890][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.658890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.658890][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.658890][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.658890][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.658890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7150.658890][ T903] [ 7150.661077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7150.661077][ T903] netdev_get_by_index+0x5e/0x80 [ 7150.661077][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7150.661077][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7150.661077][ T903] ip6_route_add+0x1c/0x140 [ 7150.661077][ T903] addrconf_add_mroute+0x129/0x180 [ 7150.661077][ T903] addrconf_add_dev+0xe2/0x170 [ 7150.661077][ T903] inet6_addr_add+0x12f/0xa40 [ 7150.661077][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7150.661077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.661077][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.661077][ T903] netlink_unicast+0x449/0x710 [ 7150.661077][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.661077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.661077][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.661077][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.661077][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.661077][ T903] [ 7150.663241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7150.663241][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7150.663241][ T903] ipv6_find_idev+0x102/0x170 [ 7150.663241][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7150.663241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.663241][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.663241][ T903] netlink_unicast+0x449/0x710 [ 7150.663241][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.663241][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.663241][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.663241][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.663241][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.663241][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7150.663241][ T903] [ 7150.664935][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7150.664935][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7150.664935][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7150.664935][ T903] ipv6_find_idev+0x102/0x170 [ 7150.664935][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7150.664935][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7150.664935][ T903] netlink_rcv_skb+0x130/0x360 [ 7150.664935][ T903] netlink_unicast+0x449/0x710 [ 7150.664935][ T903] netlink_sendmsg+0x723/0xbe0 [ 7150.664935][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7150.664935][ T903] ___sys_sendmsg+0xee/0x170 [ 7150.664935][ T903] __sys_sendmsg+0xcd/0x170 [ 7150.664935][ T903] do_syscall_64+0xc6/0x1e0 [ 7150.664935][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7150.664935][ T903] [ 7160.909899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7160.910910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7160.910910][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7160.910910][ T903] ip6_validate_gw+0x3eb/0x790 [ 7160.910910][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7160.910910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7160.910910][ T903] ip6_route_add+0x1c/0x140 [ 7160.910910][ T903] inet6_rtm_newroute+0x104/0x110 [ 7160.910910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.910910][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.910910][ T903] netlink_unicast+0x449/0x710 [ 7160.910910][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.910910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.910910][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.910910][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.910910][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.910910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.910910][ T903] [ 7160.913066][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7160.913066][ T903] netdev_get_by_index+0x5e/0x80 [ 7160.913066][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7160.913066][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7160.913066][ T903] ip6_route_add+0x1c/0x140 [ 7160.913066][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7160.913066][ T903] inet6_addr_add+0x4f8/0xa40 [ 7160.913066][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.913066][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.913066][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.913066][ T903] netlink_unicast+0x449/0x710 [ 7160.913066][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.913066][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.913066][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.913066][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.913066][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.913066][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.913066][ T903] [ 7160.915243][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7160.915243][ T903] netdev_get_by_index+0x5e/0x80 [ 7160.915243][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7160.915243][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7160.915243][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7160.915243][ T903] ipv6_add_addr+0x411/0x2000 [ 7160.915243][ T903] inet6_addr_add+0x30e/0xa40 [ 7160.915243][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.915243][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.915243][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.915243][ T903] netlink_unicast+0x449/0x710 [ 7160.915243][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.915243][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.915243][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.915243][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.915243][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.915243][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.915243][ T903] [ 7160.917306][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7160.917306][ T903] netdev_get_by_index+0x5e/0x80 [ 7160.917306][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7160.917306][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7160.917306][ T903] ip6_route_add+0x1c/0x140 [ 7160.917306][ T903] addrconf_add_mroute+0x129/0x180 [ 7160.917306][ T903] addrconf_add_dev+0xe2/0x170 [ 7160.917306][ T903] inet6_addr_add+0x12f/0xa40 [ 7160.917306][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7160.917306][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.917306][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.917306][ T903] netlink_unicast+0x449/0x710 [ 7160.917306][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.917306][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.917306][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.917306][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.917306][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.917306][ T903] [ 7160.919406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7160.919406][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7160.919406][ T903] ipv6_find_idev+0x102/0x170 [ 7160.919406][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7160.919406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.919406][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.919406][ T903] netlink_unicast+0x449/0x710 [ 7160.919406][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.919406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.919406][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.919406][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.919406][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.919406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.919406][ T903] [ 7160.921025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7160.921025][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7160.921025][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7160.921025][ T903] ipv6_find_idev+0x102/0x170 [ 7160.921025][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7160.921025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7160.921025][ T903] netlink_rcv_skb+0x130/0x360 [ 7160.921025][ T903] netlink_unicast+0x449/0x710 [ 7160.921025][ T903] netlink_sendmsg+0x723/0xbe0 [ 7160.921025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7160.921025][ T903] ___sys_sendmsg+0xee/0x170 [ 7160.921025][ T903] __sys_sendmsg+0xcd/0x170 [ 7160.921025][ T903] do_syscall_64+0xc6/0x1e0 [ 7160.921025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7160.921025][ T903] [ 7171.165872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7171.166906][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7171.166906][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7171.166906][ T903] ip6_validate_gw+0x3eb/0x790 [ 7171.166906][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7171.166906][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7171.166906][ T903] ip6_route_add+0x1c/0x140 [ 7171.166906][ T903] inet6_rtm_newroute+0x104/0x110 [ 7171.166906][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.166906][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.166906][ T903] netlink_unicast+0x449/0x710 [ 7171.166906][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.166906][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.166906][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.166906][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.166906][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.166906][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7171.166906][ T903] [ 7171.168940][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7171.168940][ T903] netdev_get_by_index+0x5e/0x80 [ 7171.168940][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7171.168940][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7171.168940][ T903] ip6_route_add+0x1c/0x140 [ 7171.168940][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7171.168940][ T903] inet6_addr_add+0x4f8/0xa40 [ 7171.168940][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7171.168940][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.168940][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.168940][ T903] netlink_unicast+0x449/0x710 [ 7171.168940][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.168940][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.168940][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.168940][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.168940][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.168940][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7171.168940][ T903] [ 7171.171066][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7171.171066][ T903] netdev_get_by_index+0x5e/0x80 [ 7171.171066][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7171.171066][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7171.171066][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7171.171066][ T903] ipv6_add_addr+0x411/0x2000 [ 7171.171066][ T903] inet6_addr_add+0x30e/0xa40 [ 7171.171066][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7171.171066][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.171066][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.171066][ T903] netlink_unicast+0x449/0x710 [ 7171.171066][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.171066][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.171066][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.171066][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.171066][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.171066][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7171.171066][ T903] [ 7171.173177][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7171.173177][ T903] netdev_get_by_index+0x5e/0x80 [ 7171.173177][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7171.173177][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7171.173177][ T903] ip6_route_add+0x1c/0x140 [ 7171.173177][ T903] addrconf_add_mroute+0x129/0x180 [ 7171.173177][ T903] addrconf_add_dev+0xe2/0x170 [ 7171.173177][ T903] inet6_addr_add+0x12f/0xa40 [ 7171.173177][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7171.173177][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.173177][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.173177][ T903] netlink_unicast+0x449/0x710 [ 7171.173177][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.173177][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.173177][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.173177][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.173177][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.173177][ T903] [ 7171.175365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7171.175365][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7171.175365][ T903] ipv6_find_idev+0x102/0x170 [ 7171.175365][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7171.175365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.175365][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.175365][ T903] netlink_unicast+0x449/0x710 [ 7171.175365][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.175365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.175365][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.175365][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.175365][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.175365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7171.175365][ T903] [ 7171.177030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7171.177030][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7171.177030][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7171.177030][ T903] ipv6_find_idev+0x102/0x170 [ 7171.177030][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7171.177030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7171.177030][ T903] netlink_rcv_skb+0x130/0x360 [ 7171.177030][ T903] netlink_unicast+0x449/0x710 [ 7171.177030][ T903] netlink_sendmsg+0x723/0xbe0 [ 7171.177030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7171.177030][ T903] ___sys_sendmsg+0xee/0x170 [ 7171.177030][ T903] __sys_sendmsg+0xcd/0x170 [ 7171.177030][ T903] do_syscall_64+0xc6/0x1e0 [ 7171.177030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7171.177030][ T903] [ 7181.421865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7181.422778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7181.422778][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7181.422778][ T903] ip6_validate_gw+0x3eb/0x790 [ 7181.422778][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7181.422778][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7181.422778][ T903] ip6_route_add+0x1c/0x140 [ 7181.422778][ T903] inet6_rtm_newroute+0x104/0x110 [ 7181.422778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.422778][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.422778][ T903] netlink_unicast+0x449/0x710 [ 7181.422778][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.422778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.422778][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.422778][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.422778][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.422778][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7181.422778][ T903] [ 7181.424846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7181.424846][ T903] netdev_get_by_index+0x5e/0x80 [ 7181.424846][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7181.424846][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7181.424846][ T903] ip6_route_add+0x1c/0x140 [ 7181.424846][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7181.424846][ T903] inet6_addr_add+0x4f8/0xa40 [ 7181.424846][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7181.424846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.424846][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.424846][ T903] netlink_unicast+0x449/0x710 [ 7181.424846][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.424846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.424846][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.424846][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.424846][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.424846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7181.424846][ T903] [ 7181.426914][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7181.426914][ T903] netdev_get_by_index+0x5e/0x80 [ 7181.426914][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7181.426914][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7181.426914][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7181.426914][ T903] ipv6_add_addr+0x411/0x2000 [ 7181.426914][ T903] inet6_addr_add+0x30e/0xa40 [ 7181.426914][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7181.426914][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.426914][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.426914][ T903] netlink_unicast+0x449/0x710 [ 7181.426914][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.426914][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.426914][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.426914][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.426914][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.426914][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7181.426914][ T903] [ 7181.429064][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7181.429064][ T903] netdev_get_by_index+0x5e/0x80 [ 7181.429064][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7181.429064][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7181.429064][ T903] ip6_route_add+0x1c/0x140 [ 7181.429064][ T903] addrconf_add_mroute+0x129/0x180 [ 7181.429064][ T903] addrconf_add_dev+0xe2/0x170 [ 7181.429064][ T903] inet6_addr_add+0x12f/0xa40 [ 7181.429064][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7181.429064][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.429064][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.429064][ T903] netlink_unicast+0x449/0x710 [ 7181.429064][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.429064][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.429064][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.429064][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.429064][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.429064][ T903] [ 7181.431229][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7181.431229][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7181.431229][ T903] ipv6_find_idev+0x102/0x170 [ 7181.431229][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7181.431229][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.431229][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.431229][ T903] netlink_unicast+0x449/0x710 [ 7181.431229][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.431229][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.431229][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.431229][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.431229][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.431229][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7181.431229][ T903] [ 7181.432817][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7181.432817][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7181.432817][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7181.432817][ T903] ipv6_find_idev+0x102/0x170 [ 7181.432817][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7181.432817][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7181.432817][ T903] netlink_rcv_skb+0x130/0x360 [ 7181.432817][ T903] netlink_unicast+0x449/0x710 [ 7181.432817][ T903] netlink_sendmsg+0x723/0xbe0 [ 7181.432817][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7181.432817][ T903] ___sys_sendmsg+0xee/0x170 [ 7181.432817][ T903] __sys_sendmsg+0xcd/0x170 [ 7181.432817][ T903] do_syscall_64+0xc6/0x1e0 [ 7181.432817][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7181.432817][ T903] [ 7191.669875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7191.670932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7191.670932][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7191.670932][ T903] ip6_validate_gw+0x3eb/0x790 [ 7191.670932][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7191.670932][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7191.670932][ T903] ip6_route_add+0x1c/0x140 [ 7191.670932][ T903] inet6_rtm_newroute+0x104/0x110 [ 7191.670932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.670932][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.670932][ T903] netlink_unicast+0x449/0x710 [ 7191.670932][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.670932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.670932][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.670932][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.670932][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.670932][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7191.670932][ T903] [ 7191.673456][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7191.673456][ T903] netdev_get_by_index+0x5e/0x80 [ 7191.673456][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7191.673456][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7191.673456][ T903] ip6_route_add+0x1c/0x140 [ 7191.673456][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7191.673456][ T903] inet6_addr_add+0x4f8/0xa40 [ 7191.673456][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7191.673456][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.673456][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.673456][ T903] netlink_unicast+0x449/0x710 [ 7191.673456][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.673456][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.673456][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.673456][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.673456][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.673456][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7191.673456][ T903] [ 7191.675511][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7191.675511][ T903] netdev_get_by_index+0x5e/0x80 [ 7191.675511][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7191.675511][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7191.675511][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7191.675511][ T903] ipv6_add_addr+0x411/0x2000 [ 7191.675511][ T903] inet6_addr_add+0x30e/0xa40 [ 7191.675511][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7191.675511][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.675511][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.675511][ T903] netlink_unicast+0x449/0x710 [ 7191.675511][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.675511][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.675511][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.675511][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.675511][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.675511][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7191.675511][ T903] [ 7191.677629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7191.677629][ T903] netdev_get_by_index+0x5e/0x80 [ 7191.677629][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7191.677629][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7191.677629][ T903] ip6_route_add+0x1c/0x140 [ 7191.677629][ T903] addrconf_add_mroute+0x129/0x180 [ 7191.677629][ T903] addrconf_add_dev+0xe2/0x170 [ 7191.677629][ T903] inet6_addr_add+0x12f/0xa40 [ 7191.677629][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7191.677629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.677629][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.677629][ T903] netlink_unicast+0x449/0x710 [ 7191.677629][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.677629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.677629][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.677629][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.677629][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.677629][ T903] [ 7191.679882][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7191.679882][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7191.679882][ T903] ipv6_find_idev+0x102/0x170 [ 7191.679882][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7191.679882][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.679882][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.679882][ T903] netlink_unicast+0x449/0x710 [ 7191.679882][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.679882][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.679882][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.679882][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.679882][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.679882][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7191.679882][ T903] [ 7191.681615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7191.681615][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7191.681615][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7191.681615][ T903] ipv6_find_idev+0x102/0x170 [ 7191.681615][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7191.681615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7191.681615][ T903] netlink_rcv_skb+0x130/0x360 [ 7191.681615][ T903] netlink_unicast+0x449/0x710 [ 7191.681615][ T903] netlink_sendmsg+0x723/0xbe0 [ 7191.681615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7191.681615][ T903] ___sys_sendmsg+0xee/0x170 [ 7191.681615][ T903] __sys_sendmsg+0xcd/0x170 [ 7191.681615][ T903] do_syscall_64+0xc6/0x1e0 [ 7191.681615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7191.681615][ T903] [ 7201.925955][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7201.926690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7201.926690][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7201.926690][ T903] ip6_validate_gw+0x3eb/0x790 [ 7201.926690][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7201.926690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7201.926690][ T903] ip6_route_add+0x1c/0x140 [ 7201.926690][ T903] inet6_rtm_newroute+0x104/0x110 [ 7201.926690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.926690][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.926690][ T903] netlink_unicast+0x449/0x710 [ 7201.926690][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.926690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.926690][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.926690][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.926690][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.926690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.926690][ T903] [ 7201.928720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7201.928720][ T903] netdev_get_by_index+0x5e/0x80 [ 7201.928720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7201.928720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7201.928720][ T903] ip6_route_add+0x1c/0x140 [ 7201.928720][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7201.928720][ T903] inet6_addr_add+0x4f8/0xa40 [ 7201.928720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.928720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.928720][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.928720][ T903] netlink_unicast+0x449/0x710 [ 7201.928720][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.928720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.928720][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.928720][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.928720][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.928720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.928720][ T903] [ 7201.930826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7201.930826][ T903] netdev_get_by_index+0x5e/0x80 [ 7201.930826][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7201.930826][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7201.930826][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7201.930826][ T903] ipv6_add_addr+0x411/0x2000 [ 7201.930826][ T903] inet6_addr_add+0x30e/0xa40 [ 7201.930826][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.930826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.930826][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.930826][ T903] netlink_unicast+0x449/0x710 [ 7201.930826][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.930826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.930826][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.930826][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.930826][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.930826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.930826][ T903] [ 7201.933025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7201.933025][ T903] netdev_get_by_index+0x5e/0x80 [ 7201.933025][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7201.933025][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7201.933025][ T903] ip6_route_add+0x1c/0x140 [ 7201.933025][ T903] addrconf_add_mroute+0x129/0x180 [ 7201.933025][ T903] addrconf_add_dev+0xe2/0x170 [ 7201.933025][ T903] inet6_addr_add+0x12f/0xa40 [ 7201.933025][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7201.933025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.933025][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.933025][ T903] netlink_unicast+0x449/0x710 [ 7201.933025][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.933025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.933025][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.933025][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.933025][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.933025][ T903] [ 7201.935183][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7201.935183][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7201.935183][ T903] ipv6_find_idev+0x102/0x170 [ 7201.935183][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7201.935183][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.935183][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.935183][ T903] netlink_unicast+0x449/0x710 [ 7201.935183][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.935183][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.935183][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.935183][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.935183][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.935183][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.935183][ T903] [ 7201.936929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7201.936929][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7201.936929][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7201.936929][ T903] ipv6_find_idev+0x102/0x170 [ 7201.936929][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7201.936929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7201.936929][ T903] netlink_rcv_skb+0x130/0x360 [ 7201.936929][ T903] netlink_unicast+0x449/0x710 [ 7201.936929][ T903] netlink_sendmsg+0x723/0xbe0 [ 7201.936929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7201.936929][ T903] ___sys_sendmsg+0xee/0x170 [ 7201.936929][ T903] __sys_sendmsg+0xcd/0x170 [ 7201.936929][ T903] do_syscall_64+0xc6/0x1e0 [ 7201.936929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7201.936929][ T903] [ 7212.181948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7212.182910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7212.182910][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7212.182910][ T903] ip6_validate_gw+0x3eb/0x790 [ 7212.182910][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7212.182910][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7212.182910][ T903] ip6_route_add+0x1c/0x140 [ 7212.182910][ T903] inet6_rtm_newroute+0x104/0x110 [ 7212.182910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.182910][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.182910][ T903] netlink_unicast+0x449/0x710 [ 7212.182910][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.182910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.182910][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.182910][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.182910][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.182910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7212.182910][ T903] [ 7212.185000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7212.185000][ T903] netdev_get_by_index+0x5e/0x80 [ 7212.185000][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7212.185000][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7212.185000][ T903] ip6_route_add+0x1c/0x140 [ 7212.185000][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7212.185000][ T903] inet6_addr_add+0x4f8/0xa40 [ 7212.185000][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7212.185000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.185000][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.185000][ T903] netlink_unicast+0x449/0x710 [ 7212.185000][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.185000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.185000][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.185000][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.185000][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.185000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7212.185000][ T903] [ 7212.187147][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7212.187147][ T903] netdev_get_by_index+0x5e/0x80 [ 7212.187147][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7212.187147][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7212.187147][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7212.187147][ T903] ipv6_add_addr+0x411/0x2000 [ 7212.187147][ T903] inet6_addr_add+0x30e/0xa40 [ 7212.187147][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7212.187147][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.187147][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.187147][ T903] netlink_unicast+0x449/0x710 [ 7212.187147][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.187147][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.187147][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.187147][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.187147][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.187147][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7212.187147][ T903] [ 7212.189298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7212.189298][ T903] netdev_get_by_index+0x5e/0x80 [ 7212.189298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7212.189298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7212.189298][ T903] ip6_route_add+0x1c/0x140 [ 7212.189298][ T903] addrconf_add_mroute+0x129/0x180 [ 7212.189298][ T903] addrconf_add_dev+0xe2/0x170 [ 7212.189298][ T903] inet6_addr_add+0x12f/0xa40 [ 7212.189298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7212.189298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.189298][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.189298][ T903] netlink_unicast+0x449/0x710 [ 7212.189298][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.189298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.189298][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.189298][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.189298][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.189298][ T903] [ 7212.191408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7212.191408][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7212.191408][ T903] ipv6_find_idev+0x102/0x170 [ 7212.191408][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7212.191408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.191408][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.191408][ T903] netlink_unicast+0x449/0x710 [ 7212.191408][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.191408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.191408][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.191408][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.191408][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.191408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7212.191408][ T903] [ 7212.193121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7212.193121][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7212.193121][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7212.193121][ T903] ipv6_find_idev+0x102/0x170 [ 7212.193121][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7212.193121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7212.193121][ T903] netlink_rcv_skb+0x130/0x360 [ 7212.193121][ T903] netlink_unicast+0x449/0x710 [ 7212.193121][ T903] netlink_sendmsg+0x723/0xbe0 [ 7212.193121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7212.193121][ T903] ___sys_sendmsg+0xee/0x170 [ 7212.193121][ T903] __sys_sendmsg+0xcd/0x170 [ 7212.193121][ T903] do_syscall_64+0xc6/0x1e0 [ 7212.193121][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7212.193121][ T903] [ 7222.317873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7222.318744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7222.318744][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7222.318744][ T903] ip6_validate_gw+0x3eb/0x790 [ 7222.318744][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7222.318744][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7222.318744][ T903] ip6_route_add+0x1c/0x140 [ 7222.318744][ T903] inet6_rtm_newroute+0x104/0x110 [ 7222.318744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.318744][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.318744][ T903] netlink_unicast+0x449/0x710 [ 7222.318744][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.318744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.318744][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.318744][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.318744][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.318744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7222.318744][ T903] [ 7222.320973][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7222.320973][ T903] netdev_get_by_index+0x5e/0x80 [ 7222.320973][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7222.320973][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7222.320973][ T903] ip6_route_add+0x1c/0x140 [ 7222.320973][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7222.320973][ T903] inet6_addr_add+0x4f8/0xa40 [ 7222.320973][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7222.320973][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.320973][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.320973][ T903] netlink_unicast+0x449/0x710 [ 7222.320973][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.320973][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.320973][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.320973][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.320973][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.320973][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7222.320973][ T903] [ 7222.323170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7222.323170][ T903] netdev_get_by_index+0x5e/0x80 [ 7222.323170][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7222.323170][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7222.323170][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7222.323170][ T903] ipv6_add_addr+0x411/0x2000 [ 7222.323170][ T903] inet6_addr_add+0x30e/0xa40 [ 7222.323170][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7222.323170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.323170][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.323170][ T903] netlink_unicast+0x449/0x710 [ 7222.323170][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.323170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.323170][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.323170][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.323170][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.323170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7222.323170][ T903] [ 7222.325370][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7222.325370][ T903] netdev_get_by_index+0x5e/0x80 [ 7222.325370][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7222.325370][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7222.325370][ T903] ip6_route_add+0x1c/0x140 [ 7222.325370][ T903] addrconf_add_mroute+0x129/0x180 [ 7222.325370][ T903] addrconf_add_dev+0xe2/0x170 [ 7222.325370][ T903] inet6_addr_add+0x12f/0xa40 [ 7222.325370][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7222.325370][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.325370][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.325370][ T903] netlink_unicast+0x449/0x710 [ 7222.325370][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.325370][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.325370][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.325370][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.325370][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.325370][ T903] [ 7222.327536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7222.327536][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7222.327536][ T903] ipv6_find_idev+0x102/0x170 [ 7222.327536][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7222.327536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.327536][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.327536][ T903] netlink_unicast+0x449/0x710 [ 7222.327536][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.327536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.327536][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.327536][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.327536][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.327536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7222.327536][ T903] [ 7222.329232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7222.329232][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7222.329232][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7222.329232][ T903] ipv6_find_idev+0x102/0x170 [ 7222.329232][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7222.329232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7222.329232][ T903] netlink_rcv_skb+0x130/0x360 [ 7222.329232][ T903] netlink_unicast+0x449/0x710 [ 7222.329232][ T903] netlink_sendmsg+0x723/0xbe0 [ 7222.329232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7222.329232][ T903] ___sys_sendmsg+0xee/0x170 [ 7222.329232][ T903] __sys_sendmsg+0xcd/0x170 [ 7222.329232][ T903] do_syscall_64+0xc6/0x1e0 [ 7222.329232][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7222.329232][ T903] [ 7232.581867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7232.582682][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7232.582682][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7232.582682][ T903] ip6_validate_gw+0x3eb/0x790 [ 7232.582682][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7232.582682][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7232.582682][ T903] ip6_route_add+0x1c/0x140 [ 7232.582682][ T903] inet6_rtm_newroute+0x104/0x110 [ 7232.582682][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.582682][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.582682][ T903] netlink_unicast+0x449/0x710 [ 7232.582682][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.582682][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.582682][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.582682][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.582682][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.582682][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7232.582682][ T903] [ 7232.584761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7232.584761][ T903] netdev_get_by_index+0x5e/0x80 [ 7232.584761][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7232.584761][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7232.584761][ T903] ip6_route_add+0x1c/0x140 [ 7232.584761][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7232.584761][ T903] inet6_addr_add+0x4f8/0xa40 [ 7232.584761][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7232.584761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.584761][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.584761][ T903] netlink_unicast+0x449/0x710 [ 7232.584761][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.584761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.584761][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.584761][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.584761][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.584761][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7232.584761][ T903] [ 7232.587404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7232.587404][ T903] netdev_get_by_index+0x5e/0x80 [ 7232.587404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7232.587404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7232.587404][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7232.587404][ T903] ipv6_add_addr+0x411/0x2000 [ 7232.587404][ T903] inet6_addr_add+0x30e/0xa40 [ 7232.587404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7232.587404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.587404][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.587404][ T903] netlink_unicast+0x449/0x710 [ 7232.587404][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.587404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.587404][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.587404][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.587404][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.587404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7232.587404][ T903] [ 7232.589637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7232.589637][ T903] netdev_get_by_index+0x5e/0x80 [ 7232.589637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7232.589637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7232.589637][ T903] ip6_route_add+0x1c/0x140 [ 7232.589637][ T903] addrconf_add_mroute+0x129/0x180 [ 7232.589637][ T903] addrconf_add_dev+0xe2/0x170 [ 7232.589637][ T903] inet6_addr_add+0x12f/0xa40 [ 7232.589637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7232.589637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.589637][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.589637][ T903] netlink_unicast+0x449/0x710 [ 7232.589637][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.589637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.589637][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.589637][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.589637][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.589637][ T903] [ 7232.591766][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7232.591766][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7232.591766][ T903] ipv6_find_idev+0x102/0x170 [ 7232.591766][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7232.591766][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.591766][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.591766][ T903] netlink_unicast+0x449/0x710 [ 7232.591766][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.591766][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.591766][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.591766][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.591766][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.591766][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7232.591766][ T903] [ 7232.593412][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7232.593412][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7232.593412][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7232.593412][ T903] ipv6_find_idev+0x102/0x170 [ 7232.593412][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7232.593412][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7232.593412][ T903] netlink_rcv_skb+0x130/0x360 [ 7232.593412][ T903] netlink_unicast+0x449/0x710 [ 7232.593412][ T903] netlink_sendmsg+0x723/0xbe0 [ 7232.593412][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7232.593412][ T903] ___sys_sendmsg+0xee/0x170 [ 7232.593412][ T903] __sys_sendmsg+0xcd/0x170 [ 7232.593412][ T903] do_syscall_64+0xc6/0x1e0 [ 7232.593412][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7232.593412][ T903] [ 7242.845878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7242.846749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7242.846749][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7242.846749][ T903] ip6_validate_gw+0x3eb/0x790 [ 7242.846749][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7242.846749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7242.846749][ T903] ip6_route_add+0x1c/0x140 [ 7242.846749][ T903] inet6_rtm_newroute+0x104/0x110 [ 7242.846749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.846749][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.846749][ T903] netlink_unicast+0x449/0x710 [ 7242.846749][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.846749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.846749][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.846749][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.846749][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.846749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7242.846749][ T903] [ 7242.849522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7242.849522][ T903] netdev_get_by_index+0x5e/0x80 [ 7242.849522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7242.849522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7242.849522][ T903] ip6_route_add+0x1c/0x140 [ 7242.849522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7242.849522][ T903] inet6_addr_add+0x4f8/0xa40 [ 7242.849522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7242.849522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.849522][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.849522][ T903] netlink_unicast+0x449/0x710 [ 7242.849522][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.849522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.849522][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.849522][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.849522][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.849522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7242.849522][ T903] [ 7242.851692][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7242.851692][ T903] netdev_get_by_index+0x5e/0x80 [ 7242.851692][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7242.851692][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7242.851692][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7242.851692][ T903] ipv6_add_addr+0x411/0x2000 [ 7242.851692][ T903] inet6_addr_add+0x30e/0xa40 [ 7242.851692][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7242.851692][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.851692][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.851692][ T903] netlink_unicast+0x449/0x710 [ 7242.851692][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.851692][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.851692][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.851692][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.851692][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.851692][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7242.851692][ T903] [ 7242.853803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7242.853803][ T903] netdev_get_by_index+0x5e/0x80 [ 7242.853803][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7242.853803][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7242.853803][ T903] ip6_route_add+0x1c/0x140 [ 7242.853803][ T903] addrconf_add_mroute+0x129/0x180 [ 7242.853803][ T903] addrconf_add_dev+0xe2/0x170 [ 7242.853803][ T903] inet6_addr_add+0x12f/0xa40 [ 7242.853803][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7242.853803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.853803][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.853803][ T903] netlink_unicast+0x449/0x710 [ 7242.853803][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.853803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.853803][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.853803][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.853803][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.853803][ T903] [ 7242.855853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7242.855853][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7242.855853][ T903] ipv6_find_idev+0x102/0x170 [ 7242.855853][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7242.855853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.855853][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.855853][ T903] netlink_unicast+0x449/0x710 [ 7242.855853][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.855853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.855853][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.855853][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.855853][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.855853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7242.855853][ T903] [ 7242.857494][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7242.857494][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7242.857494][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7242.857494][ T903] ipv6_find_idev+0x102/0x170 [ 7242.857494][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7242.857494][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7242.857494][ T903] netlink_rcv_skb+0x130/0x360 [ 7242.857494][ T903] netlink_unicast+0x449/0x710 [ 7242.857494][ T903] netlink_sendmsg+0x723/0xbe0 [ 7242.857494][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7242.857494][ T903] ___sys_sendmsg+0xee/0x170 [ 7242.857494][ T903] __sys_sendmsg+0xcd/0x170 [ 7242.857494][ T903] do_syscall_64+0xc6/0x1e0 [ 7242.857494][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7242.857494][ T903] [ 7253.109860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7253.110863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7253.110863][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7253.110863][ T903] ip6_validate_gw+0x3eb/0x790 [ 7253.110863][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7253.110863][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7253.110863][ T903] ip6_route_add+0x1c/0x140 [ 7253.110863][ T903] inet6_rtm_newroute+0x104/0x110 [ 7253.110863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.110863][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.110863][ T903] netlink_unicast+0x449/0x710 [ 7253.110863][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.110863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.110863][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.110863][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.110863][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.110863][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7253.110863][ T903] [ 7253.112913][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7253.112913][ T903] netdev_get_by_index+0x5e/0x80 [ 7253.112913][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7253.112913][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7253.112913][ T903] ip6_route_add+0x1c/0x140 [ 7253.112913][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7253.112913][ T903] inet6_addr_add+0x4f8/0xa40 [ 7253.112913][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7253.112913][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.112913][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.112913][ T903] netlink_unicast+0x449/0x710 [ 7253.112913][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.112913][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.112913][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.112913][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.112913][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.112913][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7253.112913][ T903] [ 7253.115042][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7253.115042][ T903] netdev_get_by_index+0x5e/0x80 [ 7253.115042][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7253.115042][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7253.115042][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7253.115042][ T903] ipv6_add_addr+0x411/0x2000 [ 7253.115042][ T903] inet6_addr_add+0x30e/0xa40 [ 7253.115042][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7253.115042][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.115042][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.115042][ T903] netlink_unicast+0x449/0x710 [ 7253.115042][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.115042][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.115042][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.115042][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.115042][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.115042][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7253.115042][ T903] [ 7253.117092][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7253.117092][ T903] netdev_get_by_index+0x5e/0x80 [ 7253.117092][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7253.117092][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7253.117092][ T903] ip6_route_add+0x1c/0x140 [ 7253.117092][ T903] addrconf_add_mroute+0x129/0x180 [ 7253.117092][ T903] addrconf_add_dev+0xe2/0x170 [ 7253.117092][ T903] inet6_addr_add+0x12f/0xa40 [ 7253.117092][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7253.117092][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.117092][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.117092][ T903] netlink_unicast+0x449/0x710 [ 7253.117092][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.117092][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.117092][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.117092][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.117092][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.117092][ T903] [ 7253.119154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7253.119154][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7253.119154][ T903] ipv6_find_idev+0x102/0x170 [ 7253.119154][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7253.119154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.119154][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.119154][ T903] netlink_unicast+0x449/0x710 [ 7253.119154][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.119154][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.119154][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.119154][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.119154][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.119154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7253.119154][ T903] [ 7253.120800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7253.120800][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7253.120800][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7253.120800][ T903] ipv6_find_idev+0x102/0x170 [ 7253.120800][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7253.120800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7253.120800][ T903] netlink_rcv_skb+0x130/0x360 [ 7253.120800][ T903] netlink_unicast+0x449/0x710 [ 7253.120800][ T903] netlink_sendmsg+0x723/0xbe0 [ 7253.120800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7253.120800][ T903] ___sys_sendmsg+0xee/0x170 [ 7253.120800][ T903] __sys_sendmsg+0xcd/0x170 [ 7253.120800][ T903] do_syscall_64+0xc6/0x1e0 [ 7253.120800][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7253.120800][ T903] [ 7263.373863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7263.374843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7263.374843][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7263.374843][ T903] ip6_validate_gw+0x3eb/0x790 [ 7263.374843][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7263.374843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7263.374843][ T903] ip6_route_add+0x1c/0x140 [ 7263.374843][ T903] inet6_rtm_newroute+0x104/0x110 [ 7263.374843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.374843][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.374843][ T903] netlink_unicast+0x449/0x710 [ 7263.374843][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.374843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.374843][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.374843][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.374843][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.374843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7263.374843][ T903] [ 7263.376922][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7263.376922][ T903] netdev_get_by_index+0x5e/0x80 [ 7263.376922][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7263.376922][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7263.376922][ T903] ip6_route_add+0x1c/0x140 [ 7263.376922][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7263.376922][ T903] inet6_addr_add+0x4f8/0xa40 [ 7263.376922][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7263.376922][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.376922][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.376922][ T903] netlink_unicast+0x449/0x710 [ 7263.376922][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.376922][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.376922][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.376922][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.376922][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.376922][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7263.376922][ T903] [ 7263.379050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7263.379050][ T903] netdev_get_by_index+0x5e/0x80 [ 7263.379050][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7263.379050][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7263.379050][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7263.379050][ T903] ipv6_add_addr+0x411/0x2000 [ 7263.379050][ T903] inet6_addr_add+0x30e/0xa40 [ 7263.379050][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7263.379050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.379050][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.379050][ T903] netlink_unicast+0x449/0x710 [ 7263.379050][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.379050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.379050][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.379050][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.379050][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.379050][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7263.379050][ T903] [ 7263.381153][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7263.381153][ T903] netdev_get_by_index+0x5e/0x80 [ 7263.381153][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7263.381153][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7263.381153][ T903] ip6_route_add+0x1c/0x140 [ 7263.381153][ T903] addrconf_add_mroute+0x129/0x180 [ 7263.381153][ T903] addrconf_add_dev+0xe2/0x170 [ 7263.381153][ T903] inet6_addr_add+0x12f/0xa40 [ 7263.381153][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7263.381153][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.381153][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.381153][ T903] netlink_unicast+0x449/0x710 [ 7263.381153][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.381153][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.381153][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.381153][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.381153][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.381153][ T903] [ 7263.383408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7263.383408][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7263.383408][ T903] ipv6_find_idev+0x102/0x170 [ 7263.383408][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7263.383408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.383408][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.383408][ T903] netlink_unicast+0x449/0x710 [ 7263.383408][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.383408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.383408][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.383408][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.383408][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.383408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7263.383408][ T903] [ 7263.385075][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7263.385075][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7263.385075][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7263.385075][ T903] ipv6_find_idev+0x102/0x170 [ 7263.385075][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7263.385075][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7263.385075][ T903] netlink_rcv_skb+0x130/0x360 [ 7263.385075][ T903] netlink_unicast+0x449/0x710 [ 7263.385075][ T903] netlink_sendmsg+0x723/0xbe0 [ 7263.385075][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7263.385075][ T903] ___sys_sendmsg+0xee/0x170 [ 7263.385075][ T903] __sys_sendmsg+0xcd/0x170 [ 7263.385075][ T903] do_syscall_64+0xc6/0x1e0 [ 7263.385075][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7263.385075][ T903] [ 7273.493951][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7273.494697][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7273.494697][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7273.494697][ T903] ip6_validate_gw+0x3eb/0x790 [ 7273.494697][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7273.494697][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7273.494697][ T903] ip6_route_add+0x1c/0x140 [ 7273.494697][ T903] inet6_rtm_newroute+0x104/0x110 [ 7273.494697][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.494697][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.494697][ T903] netlink_unicast+0x449/0x710 [ 7273.494697][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.494697][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.494697][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.494697][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.494697][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.494697][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7273.494697][ T903] [ 7273.496835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7273.496835][ T903] netdev_get_by_index+0x5e/0x80 [ 7273.496835][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7273.496835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7273.496835][ T903] ip6_route_add+0x1c/0x140 [ 7273.496835][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7273.496835][ T903] inet6_addr_add+0x4f8/0xa40 [ 7273.496835][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7273.496835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.496835][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.496835][ T903] netlink_unicast+0x449/0x710 [ 7273.496835][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.496835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.496835][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.496835][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.496835][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.496835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7273.496835][ T903] [ 7273.498995][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7273.498995][ T903] netdev_get_by_index+0x5e/0x80 [ 7273.498995][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7273.498995][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7273.498995][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7273.498995][ T903] ipv6_add_addr+0x411/0x2000 [ 7273.498995][ T903] inet6_addr_add+0x30e/0xa40 [ 7273.498995][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7273.498995][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.498995][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.498995][ T903] netlink_unicast+0x449/0x710 [ 7273.498995][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.498995][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.498995][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.498995][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.498995][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.498995][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7273.498995][ T903] [ 7273.501064][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7273.501064][ T903] netdev_get_by_index+0x5e/0x80 [ 7273.501064][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7273.501064][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7273.501064][ T903] ip6_route_add+0x1c/0x140 [ 7273.501064][ T903] addrconf_add_mroute+0x129/0x180 [ 7273.501064][ T903] addrconf_add_dev+0xe2/0x170 [ 7273.501064][ T903] inet6_addr_add+0x12f/0xa40 [ 7273.501064][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7273.501064][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.501064][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.501064][ T903] netlink_unicast+0x449/0x710 [ 7273.501064][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.501064][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.501064][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.501064][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.501064][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.501064][ T903] [ 7273.503100][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7273.503100][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7273.503100][ T903] ipv6_find_idev+0x102/0x170 [ 7273.503100][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7273.503100][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.503100][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.503100][ T903] netlink_unicast+0x449/0x710 [ 7273.503100][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.503100][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.503100][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.503100][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.503100][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.503100][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7273.503100][ T903] [ 7273.504711][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7273.504711][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7273.504711][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7273.504711][ T903] ipv6_find_idev+0x102/0x170 [ 7273.504711][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7273.504711][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7273.504711][ T903] netlink_rcv_skb+0x130/0x360 [ 7273.504711][ T903] netlink_unicast+0x449/0x710 [ 7273.504711][ T903] netlink_sendmsg+0x723/0xbe0 [ 7273.504711][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7273.504711][ T903] ___sys_sendmsg+0xee/0x170 [ 7273.504711][ T903] __sys_sendmsg+0xcd/0x170 [ 7273.504711][ T903] do_syscall_64+0xc6/0x1e0 [ 7273.504711][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7273.504711][ T903] [ 7283.605795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7283.606341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7283.606341][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7283.606341][ T903] ip6_validate_gw+0x3eb/0x790 [ 7283.606341][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7283.606341][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7283.606341][ T903] ip6_route_add+0x1c/0x140 [ 7283.606341][ T903] inet6_rtm_newroute+0x104/0x110 [ 7283.606341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.606341][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.606341][ T903] netlink_unicast+0x449/0x710 [ 7283.606341][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.606341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.606341][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.606341][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.606341][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.606341][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7283.606341][ T903] [ 7283.608467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7283.608467][ T903] netdev_get_by_index+0x5e/0x80 [ 7283.608467][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7283.608467][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7283.608467][ T903] ip6_route_add+0x1c/0x140 [ 7283.608467][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7283.608467][ T903] inet6_addr_add+0x4f8/0xa40 [ 7283.608467][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7283.608467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.608467][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.608467][ T903] netlink_unicast+0x449/0x710 [ 7283.608467][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.608467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.608467][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.608467][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.608467][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.608467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7283.608467][ T903] [ 7283.610738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7283.610738][ T903] netdev_get_by_index+0x5e/0x80 [ 7283.610738][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7283.610738][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7283.610738][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7283.610738][ T903] ipv6_add_addr+0x411/0x2000 [ 7283.610738][ T903] inet6_addr_add+0x30e/0xa40 [ 7283.610738][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7283.610738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.610738][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.610738][ T903] netlink_unicast+0x449/0x710 [ 7283.610738][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.610738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.610738][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.610738][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.610738][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.610738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7283.610738][ T903] [ 7283.612971][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7283.612971][ T903] netdev_get_by_index+0x5e/0x80 [ 7283.612971][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7283.612971][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7283.612971][ T903] ip6_route_add+0x1c/0x140 [ 7283.612971][ T903] addrconf_add_mroute+0x129/0x180 [ 7283.612971][ T903] addrconf_add_dev+0xe2/0x170 [ 7283.612971][ T903] inet6_addr_add+0x12f/0xa40 [ 7283.612971][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7283.612971][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.612971][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.612971][ T903] netlink_unicast+0x449/0x710 [ 7283.612971][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.612971][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.612971][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.612971][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.612971][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.612971][ T903] [ 7283.615155][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7283.615155][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7283.615155][ T903] ipv6_find_idev+0x102/0x170 [ 7283.615155][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7283.615155][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.615155][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.615155][ T903] netlink_unicast+0x449/0x710 [ 7283.615155][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.615155][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.615155][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.615155][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.615155][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.615155][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7283.615155][ T903] [ 7283.616954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7283.616954][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7283.616954][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7283.616954][ T903] ipv6_find_idev+0x102/0x170 [ 7283.616954][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7283.616954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7283.616954][ T903] netlink_rcv_skb+0x130/0x360 [ 7283.616954][ T903] netlink_unicast+0x449/0x710 [ 7283.616954][ T903] netlink_sendmsg+0x723/0xbe0 [ 7283.616954][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7283.616954][ T903] ___sys_sendmsg+0xee/0x170 [ 7283.616954][ T903] __sys_sendmsg+0xcd/0x170 [ 7283.616954][ T903] do_syscall_64+0xc6/0x1e0 [ 7283.616954][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7283.616954][ T903] [ 7293.845800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7293.846305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7293.846305][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7293.846305][ T903] ip6_validate_gw+0x3eb/0x790 [ 7293.846305][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7293.846305][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7293.846305][ T903] ip6_route_add+0x1c/0x140 [ 7293.846305][ T903] inet6_rtm_newroute+0x104/0x110 [ 7293.846305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.846305][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.846305][ T903] netlink_unicast+0x449/0x710 [ 7293.846305][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.846305][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.846305][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.846305][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.846305][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.846305][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.846305][ T903] [ 7293.848437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7293.848437][ T903] netdev_get_by_index+0x5e/0x80 [ 7293.848437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7293.848437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7293.848437][ T903] ip6_route_add+0x1c/0x140 [ 7293.848437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7293.848437][ T903] inet6_addr_add+0x4f8/0xa40 [ 7293.848437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.848437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.848437][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.848437][ T903] netlink_unicast+0x449/0x710 [ 7293.848437][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.848437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.848437][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.848437][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.848437][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.848437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.848437][ T903] [ 7293.850665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7293.850665][ T903] netdev_get_by_index+0x5e/0x80 [ 7293.850665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7293.850665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7293.850665][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7293.850665][ T903] ipv6_add_addr+0x411/0x2000 [ 7293.850665][ T903] inet6_addr_add+0x30e/0xa40 [ 7293.850665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.850665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.850665][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.850665][ T903] netlink_unicast+0x449/0x710 [ 7293.850665][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.850665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.850665][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.850665][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.850665][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.850665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.850665][ T903] [ 7293.852909][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7293.852909][ T903] netdev_get_by_index+0x5e/0x80 [ 7293.852909][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7293.852909][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7293.852909][ T903] ip6_route_add+0x1c/0x140 [ 7293.852909][ T903] addrconf_add_mroute+0x129/0x180 [ 7293.852909][ T903] addrconf_add_dev+0xe2/0x170 [ 7293.852909][ T903] inet6_addr_add+0x12f/0xa40 [ 7293.852909][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7293.852909][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.852909][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.852909][ T903] netlink_unicast+0x449/0x710 [ 7293.852909][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.852909][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.852909][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.852909][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.852909][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.852909][ T903] [ 7293.855094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7293.855094][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7293.855094][ T903] ipv6_find_idev+0x102/0x170 [ 7293.855094][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7293.855094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.855094][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.855094][ T903] netlink_unicast+0x449/0x710 [ 7293.855094][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.855094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.855094][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.855094][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.855094][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.855094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.855094][ T903] [ 7293.856821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7293.856821][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7293.856821][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7293.856821][ T903] ipv6_find_idev+0x102/0x170 [ 7293.856821][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7293.856821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7293.856821][ T903] netlink_rcv_skb+0x130/0x360 [ 7293.856821][ T903] netlink_unicast+0x449/0x710 [ 7293.856821][ T903] netlink_sendmsg+0x723/0xbe0 [ 7293.856821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7293.856821][ T903] ___sys_sendmsg+0xee/0x170 [ 7293.856821][ T903] __sys_sendmsg+0xcd/0x170 [ 7293.856821][ T903] do_syscall_64+0xc6/0x1e0 [ 7293.856821][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7293.856821][ T903] [ 7304.101834][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7304.102354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7304.102354][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7304.102354][ T903] ip6_validate_gw+0x3eb/0x790 [ 7304.102354][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7304.102354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7304.102354][ T903] ip6_route_add+0x1c/0x140 [ 7304.102354][ T903] inet6_rtm_newroute+0x104/0x110 [ 7304.102354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.102354][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.102354][ T903] netlink_unicast+0x449/0x710 [ 7304.102354][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.102354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.102354][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.102354][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.102354][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.102354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7304.102354][ T903] [ 7304.104485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7304.104485][ T903] netdev_get_by_index+0x5e/0x80 [ 7304.104485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7304.104485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7304.104485][ T903] ip6_route_add+0x1c/0x140 [ 7304.104485][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7304.104485][ T903] inet6_addr_add+0x4f8/0xa40 [ 7304.104485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7304.104485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.104485][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.104485][ T903] netlink_unicast+0x449/0x710 [ 7304.104485][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.104485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.104485][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.104485][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.104485][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.104485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7304.104485][ T903] [ 7304.106702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7304.106702][ T903] netdev_get_by_index+0x5e/0x80 [ 7304.106702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7304.106702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7304.106702][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7304.106702][ T903] ipv6_add_addr+0x411/0x2000 [ 7304.106702][ T903] inet6_addr_add+0x30e/0xa40 [ 7304.106702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7304.106702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.106702][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.106702][ T903] netlink_unicast+0x449/0x710 [ 7304.106702][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.106702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.106702][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.106702][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.106702][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.106702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7304.106702][ T903] [ 7304.108946][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7304.108946][ T903] netdev_get_by_index+0x5e/0x80 [ 7304.108946][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7304.108946][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7304.108946][ T903] ip6_route_add+0x1c/0x140 [ 7304.108946][ T903] addrconf_add_mroute+0x129/0x180 [ 7304.108946][ T903] addrconf_add_dev+0xe2/0x170 [ 7304.108946][ T903] inet6_addr_add+0x12f/0xa40 [ 7304.108946][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7304.108946][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.108946][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.108946][ T903] netlink_unicast+0x449/0x710 [ 7304.108946][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.108946][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.108946][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.108946][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.108946][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.108946][ T903] [ 7304.111232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7304.111232][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7304.111232][ T903] ipv6_find_idev+0x102/0x170 [ 7304.111232][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7304.111232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.111232][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.111232][ T903] netlink_unicast+0x449/0x710 [ 7304.111232][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.111232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.111232][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.111232][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.111232][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.111232][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7304.111232][ T903] [ 7304.112966][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7304.112966][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7304.112966][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7304.112966][ T903] ipv6_find_idev+0x102/0x170 [ 7304.112966][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7304.112966][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7304.112966][ T903] netlink_rcv_skb+0x130/0x360 [ 7304.112966][ T903] netlink_unicast+0x449/0x710 [ 7304.112966][ T903] netlink_sendmsg+0x723/0xbe0 [ 7304.112966][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7304.112966][ T903] ___sys_sendmsg+0xee/0x170 [ 7304.112966][ T903] __sys_sendmsg+0xcd/0x170 [ 7304.112966][ T903] do_syscall_64+0xc6/0x1e0 [ 7304.112966][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7304.112966][ T903] [ 7314.357835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7314.358381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7314.358381][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7314.358381][ T903] ip6_validate_gw+0x3eb/0x790 [ 7314.358381][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7314.358381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7314.358381][ T903] ip6_route_add+0x1c/0x140 [ 7314.358381][ T903] inet6_rtm_newroute+0x104/0x110 [ 7314.358381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.358381][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.358381][ T903] netlink_unicast+0x449/0x710 [ 7314.358381][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.358381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.358381][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.358381][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.358381][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.358381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7314.358381][ T903] [ 7314.360524][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7314.360524][ T903] netdev_get_by_index+0x5e/0x80 [ 7314.360524][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7314.360524][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7314.360524][ T903] ip6_route_add+0x1c/0x140 [ 7314.360524][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7314.360524][ T903] inet6_addr_add+0x4f8/0xa40 [ 7314.360524][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7314.360524][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.360524][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.360524][ T903] netlink_unicast+0x449/0x710 [ 7314.360524][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.360524][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.360524][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.360524][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.360524][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.360524][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7314.360524][ T903] [ 7314.363265][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7314.363265][ T903] netdev_get_by_index+0x5e/0x80 [ 7314.363265][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7314.363265][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7314.363265][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7314.363265][ T903] ipv6_add_addr+0x411/0x2000 [ 7314.363265][ T903] inet6_addr_add+0x30e/0xa40 [ 7314.363265][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7314.363265][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.363265][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.363265][ T903] netlink_unicast+0x449/0x710 [ 7314.363265][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.363265][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.363265][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.363265][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.363265][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.363265][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7314.363265][ T903] [ 7314.365499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7314.365499][ T903] netdev_get_by_index+0x5e/0x80 [ 7314.365499][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7314.365499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7314.365499][ T903] ip6_route_add+0x1c/0x140 [ 7314.365499][ T903] addrconf_add_mroute+0x129/0x180 [ 7314.365499][ T903] addrconf_add_dev+0xe2/0x170 [ 7314.365499][ T903] inet6_addr_add+0x12f/0xa40 [ 7314.365499][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7314.365499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.365499][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.365499][ T903] netlink_unicast+0x449/0x710 [ 7314.365499][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.365499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.365499][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.365499][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.365499][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.365499][ T903] [ 7314.367678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7314.367678][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7314.367678][ T903] ipv6_find_idev+0x102/0x170 [ 7314.367678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7314.367678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.367678][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.367678][ T903] netlink_unicast+0x449/0x710 [ 7314.367678][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.367678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.367678][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.367678][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.367678][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.367678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7314.367678][ T903] [ 7314.369390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7314.369390][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7314.369390][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7314.369390][ T903] ipv6_find_idev+0x102/0x170 [ 7314.369390][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7314.369390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7314.369390][ T903] netlink_rcv_skb+0x130/0x360 [ 7314.369390][ T903] netlink_unicast+0x449/0x710 [ 7314.369390][ T903] netlink_sendmsg+0x723/0xbe0 [ 7314.369390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7314.369390][ T903] ___sys_sendmsg+0xee/0x170 [ 7314.369390][ T903] __sys_sendmsg+0xcd/0x170 [ 7314.369390][ T903] do_syscall_64+0xc6/0x1e0 [ 7314.369390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7314.369390][ T903] [ 7324.613746][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7324.614253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7324.614253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7324.614253][ T903] ip6_validate_gw+0x3eb/0x790 [ 7324.614253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7324.614253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7324.614253][ T903] ip6_route_add+0x1c/0x140 [ 7324.614253][ T903] inet6_rtm_newroute+0x104/0x110 [ 7324.614253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.614253][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.614253][ T903] netlink_unicast+0x449/0x710 [ 7324.614253][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.614253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.614253][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.614253][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.614253][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.614253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7324.614253][ T903] [ 7324.616727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7324.616727][ T903] netdev_get_by_index+0x5e/0x80 [ 7324.616727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7324.616727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7324.616727][ T903] ip6_route_add+0x1c/0x140 [ 7324.616727][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7324.616727][ T903] inet6_addr_add+0x4f8/0xa40 [ 7324.616727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7324.616727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.616727][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.616727][ T903] netlink_unicast+0x449/0x710 [ 7324.616727][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.616727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.616727][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.616727][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.616727][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.616727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7324.616727][ T903] [ 7324.618929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7324.618929][ T903] netdev_get_by_index+0x5e/0x80 [ 7324.618929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7324.618929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7324.618929][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7324.618929][ T903] ipv6_add_addr+0x411/0x2000 [ 7324.618929][ T903] inet6_addr_add+0x30e/0xa40 [ 7324.618929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7324.618929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.618929][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.618929][ T903] netlink_unicast+0x449/0x710 [ 7324.618929][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.618929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.618929][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.618929][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.618929][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.618929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7324.618929][ T903] [ 7324.621229][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7324.621229][ T903] netdev_get_by_index+0x5e/0x80 [ 7324.621229][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7324.621229][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7324.621229][ T903] ip6_route_add+0x1c/0x140 [ 7324.621229][ T903] addrconf_add_mroute+0x129/0x180 [ 7324.621229][ T903] addrconf_add_dev+0xe2/0x170 [ 7324.621229][ T903] inet6_addr_add+0x12f/0xa40 [ 7324.621229][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7324.621229][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.621229][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.621229][ T903] netlink_unicast+0x449/0x710 [ 7324.621229][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.621229][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.621229][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.621229][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.621229][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.621229][ T903] [ 7324.623391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7324.623391][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7324.623391][ T903] ipv6_find_idev+0x102/0x170 [ 7324.623391][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7324.623391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.623391][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.623391][ T903] netlink_unicast+0x449/0x710 [ 7324.623391][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.623391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.623391][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.623391][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.623391][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.623391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7324.623391][ T903] [ 7324.625096][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7324.625096][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7324.625096][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7324.625096][ T903] ipv6_find_idev+0x102/0x170 [ 7324.625096][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7324.625096][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7324.625096][ T903] netlink_rcv_skb+0x130/0x360 [ 7324.625096][ T903] netlink_unicast+0x449/0x710 [ 7324.625096][ T903] netlink_sendmsg+0x723/0xbe0 [ 7324.625096][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7324.625096][ T903] ___sys_sendmsg+0xee/0x170 [ 7324.625096][ T903] __sys_sendmsg+0xcd/0x170 [ 7324.625096][ T903] do_syscall_64+0xc6/0x1e0 [ 7324.625096][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7324.625096][ T903] [ 7334.749799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7334.750318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7334.750318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7334.750318][ T903] ip6_validate_gw+0x3eb/0x790 [ 7334.750318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7334.750318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7334.750318][ T903] ip6_route_add+0x1c/0x140 [ 7334.750318][ T903] inet6_rtm_newroute+0x104/0x110 [ 7334.750318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.750318][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.750318][ T903] netlink_unicast+0x449/0x710 [ 7334.750318][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.750318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.750318][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.750318][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.750318][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.750318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7334.750318][ T903] [ 7334.752421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7334.752421][ T903] netdev_get_by_index+0x5e/0x80 [ 7334.752421][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7334.752421][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7334.752421][ T903] ip6_route_add+0x1c/0x140 [ 7334.752421][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7334.752421][ T903] inet6_addr_add+0x4f8/0xa40 [ 7334.752421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7334.752421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.752421][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.752421][ T903] netlink_unicast+0x449/0x710 [ 7334.752421][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.752421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.752421][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.752421][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.752421][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.752421][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7334.752421][ T903] [ 7334.754608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7334.754608][ T903] netdev_get_by_index+0x5e/0x80 [ 7334.754608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7334.754608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7334.754608][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7334.754608][ T903] ipv6_add_addr+0x411/0x2000 [ 7334.754608][ T903] inet6_addr_add+0x30e/0xa40 [ 7334.754608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7334.754608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.754608][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.754608][ T903] netlink_unicast+0x449/0x710 [ 7334.754608][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.754608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.754608][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.754608][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.754608][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.754608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7334.754608][ T903] [ 7334.756809][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7334.756809][ T903] netdev_get_by_index+0x5e/0x80 [ 7334.756809][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7334.756809][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7334.756809][ T903] ip6_route_add+0x1c/0x140 [ 7334.756809][ T903] addrconf_add_mroute+0x129/0x180 [ 7334.756809][ T903] addrconf_add_dev+0xe2/0x170 [ 7334.756809][ T903] inet6_addr_add+0x12f/0xa40 [ 7334.756809][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7334.756809][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.756809][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.756809][ T903] netlink_unicast+0x449/0x710 [ 7334.756809][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.756809][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.756809][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.756809][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.756809][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.756809][ T903] [ 7334.758924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7334.758924][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7334.758924][ T903] ipv6_find_idev+0x102/0x170 [ 7334.758924][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7334.758924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.758924][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.758924][ T903] netlink_unicast+0x449/0x710 [ 7334.758924][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.758924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.758924][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.758924][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.758924][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.758924][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7334.758924][ T903] [ 7334.760572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7334.760572][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7334.760572][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7334.760572][ T903] ipv6_find_idev+0x102/0x170 [ 7334.760572][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7334.760572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7334.760572][ T903] netlink_rcv_skb+0x130/0x360 [ 7334.760572][ T903] netlink_unicast+0x449/0x710 [ 7334.760572][ T903] netlink_sendmsg+0x723/0xbe0 [ 7334.760572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7334.760572][ T903] ___sys_sendmsg+0xee/0x170 [ 7334.760572][ T903] __sys_sendmsg+0xcd/0x170 [ 7334.760572][ T903] do_syscall_64+0xc6/0x1e0 [ 7334.760572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7334.760572][ T903] [ 7344.997819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7344.998323][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7344.998323][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7344.998323][ T903] ip6_validate_gw+0x3eb/0x790 [ 7344.998323][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7344.998323][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7344.998323][ T903] ip6_route_add+0x1c/0x140 [ 7344.998323][ T903] inet6_rtm_newroute+0x104/0x110 [ 7344.998323][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7344.998323][ T903] netlink_rcv_skb+0x130/0x360 [ 7344.998323][ T903] netlink_unicast+0x449/0x710 [ 7344.998323][ T903] netlink_sendmsg+0x723/0xbe0 [ 7344.998323][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7344.998323][ T903] ___sys_sendmsg+0xee/0x170 [ 7344.998323][ T903] __sys_sendmsg+0xcd/0x170 [ 7344.998323][ T903] do_syscall_64+0xc6/0x1e0 [ 7344.998323][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7344.998323][ T903] [ 7345.000440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7345.000440][ T903] netdev_get_by_index+0x5e/0x80 [ 7345.000440][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7345.000440][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7345.000440][ T903] ip6_route_add+0x1c/0x140 [ 7345.000440][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7345.000440][ T903] inet6_addr_add+0x4f8/0xa40 [ 7345.000440][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7345.000440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7345.000440][ T903] netlink_rcv_skb+0x130/0x360 [ 7345.000440][ T903] netlink_unicast+0x449/0x710 [ 7345.000440][ T903] netlink_sendmsg+0x723/0xbe0 [ 7345.000440][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7345.000440][ T903] ___sys_sendmsg+0xee/0x170 [ 7345.000440][ T903] __sys_sendmsg+0xcd/0x170 [ 7345.000440][ T903] do_syscall_64+0xc6/0x1e0 [ 7345.000440][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7345.000440][ T903] [ 7345.002627][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7345.002627][ T903] netdev_get_by_index+0x5e/0x80 [ 7345.002627][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7345.002627][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7345.002627][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7345.002627][ T903] ipv6_add_addr+0x411/0x2000 [ 7345.002627][ T903] inet6_addr_add+0x30e/0xa40 [ 7345.002627][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7345.002627][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7345.002627][ T903] netlink_rcv_skb+0x130/0x360 [ 7345.002627][ T903] netlink_unicast+0x449/0x710 [ 7345.002627][ T903] netlink_sendmsg+0x723/0xbe0 [ 7345.002627][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7345.002627][ T903] ___sys_sendmsg+0xee/0x170 [ 7345.002627][ T903] __sys_sendmsg+0xcd/0x170 [ 7345.002627][ T903] do_syscall_64+0xc6/0x1e0 [ 7345.002627][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7345.002627][ T903] [ 7345.004823][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7345.004823][ T903] netdev_get_by_index+0x5e/0x80 [ 7345.004823][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7345.004823][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7345.004823][ T903] ip6_route_add+0x1c/0x140 [ 7345.004823][ T903] addrconf_add_mroute+0x129/0x180 [ 7345.004823][ T903] addrconf_add_dev+0xe2/0x170 [ 7345.004823][ T903] inet6_addr_add+0x12f/0xa40 [ 7345.004823][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7345.004823][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7345.004823][ T903] netlink_rcv_skb+0x130/0x360 [ 7345.004823][ T903] netlink_unicast+0x449/0x710 [ 7345.004823][ T903] netlink_sendmsg+0x723/0xbe0 [ 7345.004823][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7345.004823][ T903] ___sys_sendmsg+0xee/0x170 [ 7345.004823][ T903] __sys_sendmsg+0xcd/0x170 [ 7345.004823][ T903] do_syscall_64+0xc6/0x1e0 [ 7345.004823][ T903] [ 7345.006947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7345.006947][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7345.006947][ T903] ipv6_find_idev+0x102/0x170 [ 7345.006947][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7345.006947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7345.006947][ T903] netlink_rcv_skb+0x130/0x360 [ 7345.006947][ T903] netlink_unicast+0x449/0x710 [ 7345.006947][ T903] netlink_sendmsg+0x723/0xbe0 [ 7345.006947][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7345.006947][ T903] ___sys_sendmsg+0xee/0x170 [ 7345.006947][ T903] __sys_sendmsg+0xcd/0x170 [ 7345.006947][ T903] do_syscall_64+0xc6/0x1e0 [ 7345.006947][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7345.006947][ T903] [ 7345.008635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7345.008635][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7345.008635][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7345.008635][ T903] ipv6_find_idev+0x102/0x170 [ 7345.008635][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7345.008635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7345.008635][ T903] netlink_rcv_skb+0x130/0x360 [ 7345.008635][ T903] netlink_unicast+0x449/0x710 [ 7345.008635][ T903] netlink_sendmsg+0x723/0xbe0 [ 7345.008635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7345.008635][ T903] ___sys_sendmsg+0xee/0x170 [ 7345.008635][ T903] __sys_sendmsg+0xcd/0x170 [ 7345.008635][ T903] do_syscall_64+0xc6/0x1e0 [ 7345.008635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7345.008635][ T903] [ 7355.253826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7355.254389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7355.254389][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7355.254389][ T903] ip6_validate_gw+0x3eb/0x790 [ 7355.254389][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7355.254389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7355.254389][ T903] ip6_route_add+0x1c/0x140 [ 7355.254389][ T903] inet6_rtm_newroute+0x104/0x110 [ 7355.254389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.254389][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.254389][ T903] netlink_unicast+0x449/0x710 [ 7355.254389][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.254389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.254389][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.254389][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.254389][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.254389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7355.254389][ T903] [ 7355.256493][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7355.256493][ T903] netdev_get_by_index+0x5e/0x80 [ 7355.256493][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7355.256493][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7355.256493][ T903] ip6_route_add+0x1c/0x140 [ 7355.256493][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7355.256493][ T903] inet6_addr_add+0x4f8/0xa40 [ 7355.256493][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7355.256493][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.256493][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.256493][ T903] netlink_unicast+0x449/0x710 [ 7355.256493][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.256493][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.256493][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.256493][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.256493][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.256493][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7355.256493][ T903] [ 7355.258726][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7355.258726][ T903] netdev_get_by_index+0x5e/0x80 [ 7355.258726][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7355.258726][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7355.258726][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7355.258726][ T903] ipv6_add_addr+0x411/0x2000 [ 7355.258726][ T903] inet6_addr_add+0x30e/0xa40 [ 7355.258726][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7355.258726][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.258726][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.258726][ T903] netlink_unicast+0x449/0x710 [ 7355.258726][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.258726][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.258726][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.258726][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.258726][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.258726][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7355.258726][ T903] [ 7355.260942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7355.260942][ T903] netdev_get_by_index+0x5e/0x80 [ 7355.260942][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7355.260942][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7355.260942][ T903] ip6_route_add+0x1c/0x140 [ 7355.260942][ T903] addrconf_add_mroute+0x129/0x180 [ 7355.260942][ T903] addrconf_add_dev+0xe2/0x170 [ 7355.260942][ T903] inet6_addr_add+0x12f/0xa40 [ 7355.260942][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7355.260942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.260942][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.260942][ T903] netlink_unicast+0x449/0x710 [ 7355.260942][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.260942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.260942][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.260942][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.260942][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.260942][ T903] [ 7355.263122][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7355.263122][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7355.263122][ T903] ipv6_find_idev+0x102/0x170 [ 7355.263122][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7355.263122][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.263122][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.263122][ T903] netlink_unicast+0x449/0x710 [ 7355.263122][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.263122][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.263122][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.263122][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.263122][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.263122][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7355.263122][ T903] [ 7355.264798][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7355.264798][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7355.264798][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7355.264798][ T903] ipv6_find_idev+0x102/0x170 [ 7355.264798][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7355.264798][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7355.264798][ T903] netlink_rcv_skb+0x130/0x360 [ 7355.264798][ T903] netlink_unicast+0x449/0x710 [ 7355.264798][ T903] netlink_sendmsg+0x723/0xbe0 [ 7355.264798][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7355.264798][ T903] ___sys_sendmsg+0xee/0x170 [ 7355.264798][ T903] __sys_sendmsg+0xcd/0x170 [ 7355.264798][ T903] do_syscall_64+0xc6/0x1e0 [ 7355.264798][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7355.264798][ T903] [ 7365.501825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7365.502329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7365.502329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7365.502329][ T903] ip6_validate_gw+0x3eb/0x790 [ 7365.502329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7365.502329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7365.502329][ T903] ip6_route_add+0x1c/0x140 [ 7365.502329][ T903] inet6_rtm_newroute+0x104/0x110 [ 7365.502329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.502329][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.502329][ T903] netlink_unicast+0x449/0x710 [ 7365.502329][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.502329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.502329][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.502329][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.502329][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.502329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7365.502329][ T903] [ 7365.504430][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7365.504430][ T903] netdev_get_by_index+0x5e/0x80 [ 7365.504430][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7365.504430][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7365.504430][ T903] ip6_route_add+0x1c/0x140 [ 7365.504430][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7365.504430][ T903] inet6_addr_add+0x4f8/0xa40 [ 7365.504430][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7365.504430][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.504430][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.504430][ T903] netlink_unicast+0x449/0x710 [ 7365.504430][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.504430][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.504430][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.504430][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.504430][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.504430][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7365.504430][ T903] [ 7365.506629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7365.506629][ T903] netdev_get_by_index+0x5e/0x80 [ 7365.506629][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7365.506629][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7365.506629][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7365.506629][ T903] ipv6_add_addr+0x411/0x2000 [ 7365.506629][ T903] inet6_addr_add+0x30e/0xa40 [ 7365.506629][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7365.506629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.506629][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.506629][ T903] netlink_unicast+0x449/0x710 [ 7365.506629][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.506629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.506629][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.506629][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.506629][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.506629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7365.506629][ T903] [ 7365.508832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7365.508832][ T903] netdev_get_by_index+0x5e/0x80 [ 7365.508832][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7365.508832][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7365.508832][ T903] ip6_route_add+0x1c/0x140 [ 7365.508832][ T903] addrconf_add_mroute+0x129/0x180 [ 7365.508832][ T903] addrconf_add_dev+0xe2/0x170 [ 7365.508832][ T903] inet6_addr_add+0x12f/0xa40 [ 7365.508832][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7365.508832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.508832][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.508832][ T903] netlink_unicast+0x449/0x710 [ 7365.508832][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.508832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.508832][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.508832][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.508832][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.508832][ T903] [ 7365.510988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7365.510988][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7365.510988][ T903] ipv6_find_idev+0x102/0x170 [ 7365.510988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7365.510988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.510988][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.510988][ T903] netlink_unicast+0x449/0x710 [ 7365.510988][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.510988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.510988][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.510988][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.510988][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.510988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7365.510988][ T903] [ 7365.512677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7365.512677][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7365.512677][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7365.512677][ T903] ipv6_find_idev+0x102/0x170 [ 7365.512677][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7365.512677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7365.512677][ T903] netlink_rcv_skb+0x130/0x360 [ 7365.512677][ T903] netlink_unicast+0x449/0x710 [ 7365.512677][ T903] netlink_sendmsg+0x723/0xbe0 [ 7365.512677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7365.512677][ T903] ___sys_sendmsg+0xee/0x170 [ 7365.512677][ T903] __sys_sendmsg+0xcd/0x170 [ 7365.512677][ T903] do_syscall_64+0xc6/0x1e0 [ 7365.512677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7365.512677][ T903] [ 7375.749807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7375.750328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7375.750328][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7375.750328][ T903] ip6_validate_gw+0x3eb/0x790 [ 7375.750328][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7375.750328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7375.750328][ T903] ip6_route_add+0x1c/0x140 [ 7375.750328][ T903] inet6_rtm_newroute+0x104/0x110 [ 7375.750328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.750328][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.750328][ T903] netlink_unicast+0x449/0x710 [ 7375.750328][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.750328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.750328][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.750328][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.750328][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.750328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7375.750328][ T903] [ 7375.752432][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7375.752432][ T903] netdev_get_by_index+0x5e/0x80 [ 7375.752432][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7375.752432][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7375.752432][ T903] ip6_route_add+0x1c/0x140 [ 7375.752432][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7375.752432][ T903] inet6_addr_add+0x4f8/0xa40 [ 7375.752432][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7375.752432][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.752432][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.752432][ T903] netlink_unicast+0x449/0x710 [ 7375.752432][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.752432][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.752432][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.752432][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.752432][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.752432][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7375.752432][ T903] [ 7375.754631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7375.754631][ T903] netdev_get_by_index+0x5e/0x80 [ 7375.754631][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7375.754631][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7375.754631][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7375.754631][ T903] ipv6_add_addr+0x411/0x2000 [ 7375.754631][ T903] inet6_addr_add+0x30e/0xa40 [ 7375.754631][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7375.754631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.754631][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.754631][ T903] netlink_unicast+0x449/0x710 [ 7375.754631][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.754631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.754631][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.754631][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.754631][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.754631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7375.754631][ T903] [ 7375.756825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7375.756825][ T903] netdev_get_by_index+0x5e/0x80 [ 7375.756825][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7375.756825][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7375.756825][ T903] ip6_route_add+0x1c/0x140 [ 7375.756825][ T903] addrconf_add_mroute+0x129/0x180 [ 7375.756825][ T903] addrconf_add_dev+0xe2/0x170 [ 7375.756825][ T903] inet6_addr_add+0x12f/0xa40 [ 7375.756825][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7375.756825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.756825][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.756825][ T903] netlink_unicast+0x449/0x710 [ 7375.756825][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.756825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.756825][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.756825][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.756825][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.756825][ T903] [ 7375.758989][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7375.758989][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7375.758989][ T903] ipv6_find_idev+0x102/0x170 [ 7375.758989][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7375.758989][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.758989][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.758989][ T903] netlink_unicast+0x449/0x710 [ 7375.758989][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.758989][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.758989][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.758989][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.758989][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.758989][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7375.758989][ T903] [ 7375.760691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7375.760691][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7375.760691][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7375.760691][ T903] ipv6_find_idev+0x102/0x170 [ 7375.760691][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7375.760691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7375.760691][ T903] netlink_rcv_skb+0x130/0x360 [ 7375.760691][ T903] netlink_unicast+0x449/0x710 [ 7375.760691][ T903] netlink_sendmsg+0x723/0xbe0 [ 7375.760691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7375.760691][ T903] ___sys_sendmsg+0xee/0x170 [ 7375.760691][ T903] __sys_sendmsg+0xcd/0x170 [ 7375.760691][ T903] do_syscall_64+0xc6/0x1e0 [ 7375.760691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7375.760691][ T903] [ 7385.997794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7385.998329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7385.998329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7385.998329][ T903] ip6_validate_gw+0x3eb/0x790 [ 7385.998329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7385.998329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7385.998329][ T903] ip6_route_add+0x1c/0x140 [ 7385.998329][ T903] inet6_rtm_newroute+0x104/0x110 [ 7385.998329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7385.998329][ T903] netlink_rcv_skb+0x130/0x360 [ 7385.998329][ T903] netlink_unicast+0x449/0x710 [ 7385.998329][ T903] netlink_sendmsg+0x723/0xbe0 [ 7385.998329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7385.998329][ T903] ___sys_sendmsg+0xee/0x170 [ 7385.998329][ T903] __sys_sendmsg+0xcd/0x170 [ 7385.998329][ T903] do_syscall_64+0xc6/0x1e0 [ 7385.998329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7385.998329][ T903] [ 7386.000442][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7386.000442][ T903] netdev_get_by_index+0x5e/0x80 [ 7386.000442][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7386.000442][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7386.000442][ T903] ip6_route_add+0x1c/0x140 [ 7386.000442][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7386.000442][ T903] inet6_addr_add+0x4f8/0xa40 [ 7386.000442][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7386.000442][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7386.000442][ T903] netlink_rcv_skb+0x130/0x360 [ 7386.000442][ T903] netlink_unicast+0x449/0x710 [ 7386.000442][ T903] netlink_sendmsg+0x723/0xbe0 [ 7386.000442][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7386.000442][ T903] ___sys_sendmsg+0xee/0x170 [ 7386.000442][ T903] __sys_sendmsg+0xcd/0x170 [ 7386.000442][ T903] do_syscall_64+0xc6/0x1e0 [ 7386.000442][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7386.000442][ T903] [ 7386.002649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7386.002649][ T903] netdev_get_by_index+0x5e/0x80 [ 7386.002649][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7386.002649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7386.002649][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7386.002649][ T903] ipv6_add_addr+0x411/0x2000 [ 7386.002649][ T903] inet6_addr_add+0x30e/0xa40 [ 7386.002649][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7386.002649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7386.002649][ T903] netlink_rcv_skb+0x130/0x360 [ 7386.002649][ T903] netlink_unicast+0x449/0x710 [ 7386.002649][ T903] netlink_sendmsg+0x723/0xbe0 [ 7386.002649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7386.002649][ T903] ___sys_sendmsg+0xee/0x170 [ 7386.002649][ T903] __sys_sendmsg+0xcd/0x170 [ 7386.002649][ T903] do_syscall_64+0xc6/0x1e0 [ 7386.002649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7386.002649][ T903] [ 7386.004857][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7386.004857][ T903] netdev_get_by_index+0x5e/0x80 [ 7386.004857][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7386.004857][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7386.004857][ T903] ip6_route_add+0x1c/0x140 [ 7386.004857][ T903] addrconf_add_mroute+0x129/0x180 [ 7386.004857][ T903] addrconf_add_dev+0xe2/0x170 [ 7386.004857][ T903] inet6_addr_add+0x12f/0xa40 [ 7386.004857][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7386.004857][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7386.004857][ T903] netlink_rcv_skb+0x130/0x360 [ 7386.004857][ T903] netlink_unicast+0x449/0x710 [ 7386.004857][ T903] netlink_sendmsg+0x723/0xbe0 [ 7386.004857][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7386.004857][ T903] ___sys_sendmsg+0xee/0x170 [ 7386.004857][ T903] __sys_sendmsg+0xcd/0x170 [ 7386.004857][ T903] do_syscall_64+0xc6/0x1e0 [ 7386.004857][ T903] [ 7386.007020][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7386.007020][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7386.007020][ T903] ipv6_find_idev+0x102/0x170 [ 7386.007020][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7386.007020][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7386.007020][ T903] netlink_rcv_skb+0x130/0x360 [ 7386.007020][ T903] netlink_unicast+0x449/0x710 [ 7386.007020][ T903] netlink_sendmsg+0x723/0xbe0 [ 7386.007020][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7386.007020][ T903] ___sys_sendmsg+0xee/0x170 [ 7386.007020][ T903] __sys_sendmsg+0xcd/0x170 [ 7386.007020][ T903] do_syscall_64+0xc6/0x1e0 [ 7386.007020][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7386.007020][ T903] [ 7386.008723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7386.008723][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7386.008723][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7386.008723][ T903] ipv6_find_idev+0x102/0x170 [ 7386.008723][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7386.008723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7386.008723][ T903] netlink_rcv_skb+0x130/0x360 [ 7386.008723][ T903] netlink_unicast+0x449/0x710 [ 7386.008723][ T903] netlink_sendmsg+0x723/0xbe0 [ 7386.008723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7386.008723][ T903] ___sys_sendmsg+0xee/0x170 [ 7386.008723][ T903] __sys_sendmsg+0xcd/0x170 [ 7386.008723][ T903] do_syscall_64+0xc6/0x1e0 [ 7386.008723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7386.008723][ T903] [ 7396.013802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7396.014321][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7396.014321][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7396.014321][ T903] ip6_validate_gw+0x3eb/0x790 [ 7396.014321][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7396.014321][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7396.014321][ T903] ip6_route_add+0x1c/0x140 [ 7396.014321][ T903] inet6_rtm_newroute+0x104/0x110 [ 7396.014321][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.014321][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.014321][ T903] netlink_unicast+0x449/0x710 [ 7396.014321][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.014321][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.014321][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.014321][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.014321][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.014321][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7396.014321][ T903] [ 7396.016936][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7396.016936][ T903] netdev_get_by_index+0x5e/0x80 [ 7396.016936][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7396.016936][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7396.016936][ T903] ip6_route_add+0x1c/0x140 [ 7396.016936][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7396.016936][ T903] inet6_addr_add+0x4f8/0xa40 [ 7396.016936][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7396.016936][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.016936][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.016936][ T903] netlink_unicast+0x449/0x710 [ 7396.016936][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.016936][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.016936][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.016936][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.016936][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.016936][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7396.016936][ T903] [ 7396.019148][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7396.019148][ T903] netdev_get_by_index+0x5e/0x80 [ 7396.019148][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7396.019148][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7396.019148][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7396.019148][ T903] ipv6_add_addr+0x411/0x2000 [ 7396.019148][ T903] inet6_addr_add+0x30e/0xa40 [ 7396.019148][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7396.019148][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.019148][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.019148][ T903] netlink_unicast+0x449/0x710 [ 7396.019148][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.019148][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.019148][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.019148][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.019148][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.019148][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7396.019148][ T903] [ 7396.021339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7396.021339][ T903] netdev_get_by_index+0x5e/0x80 [ 7396.021339][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7396.021339][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7396.021339][ T903] ip6_route_add+0x1c/0x140 [ 7396.021339][ T903] addrconf_add_mroute+0x129/0x180 [ 7396.021339][ T903] addrconf_add_dev+0xe2/0x170 [ 7396.021339][ T903] inet6_addr_add+0x12f/0xa40 [ 7396.021339][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7396.021339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.021339][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.021339][ T903] netlink_unicast+0x449/0x710 [ 7396.021339][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.021339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.021339][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.021339][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.021339][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.021339][ T903] [ 7396.023495][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7396.023495][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7396.023495][ T903] ipv6_find_idev+0x102/0x170 [ 7396.023495][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7396.023495][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.023495][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.023495][ T903] netlink_unicast+0x449/0x710 [ 7396.023495][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.023495][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.023495][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.023495][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.023495][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.023495][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7396.023495][ T903] [ 7396.025301][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7396.025301][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7396.025301][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7396.025301][ T903] ipv6_find_idev+0x102/0x170 [ 7396.025301][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7396.025301][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7396.025301][ T903] netlink_rcv_skb+0x130/0x360 [ 7396.025301][ T903] netlink_unicast+0x449/0x710 [ 7396.025301][ T903] netlink_sendmsg+0x723/0xbe0 [ 7396.025301][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7396.025301][ T903] ___sys_sendmsg+0xee/0x170 [ 7396.025301][ T903] __sys_sendmsg+0xcd/0x170 [ 7396.025301][ T903] do_syscall_64+0xc6/0x1e0 [ 7396.025301][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7396.025301][ T903] [ 7406.269825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7406.270353][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7406.270353][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7406.270353][ T903] ip6_validate_gw+0x3eb/0x790 [ 7406.270353][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7406.270353][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7406.270353][ T903] ip6_route_add+0x1c/0x140 [ 7406.270353][ T903] inet6_rtm_newroute+0x104/0x110 [ 7406.270353][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.270353][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.270353][ T903] netlink_unicast+0x449/0x710 [ 7406.270353][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.270353][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.270353][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.270353][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.270353][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.270353][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7406.270353][ T903] [ 7406.272483][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7406.272483][ T903] netdev_get_by_index+0x5e/0x80 [ 7406.272483][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7406.272483][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7406.272483][ T903] ip6_route_add+0x1c/0x140 [ 7406.272483][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7406.272483][ T903] inet6_addr_add+0x4f8/0xa40 [ 7406.272483][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7406.272483][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.272483][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.272483][ T903] netlink_unicast+0x449/0x710 [ 7406.272483][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.272483][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.272483][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.272483][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.272483][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.272483][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7406.272483][ T903] [ 7406.274731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7406.274731][ T903] netdev_get_by_index+0x5e/0x80 [ 7406.274731][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7406.274731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7406.274731][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7406.274731][ T903] ipv6_add_addr+0x411/0x2000 [ 7406.274731][ T903] inet6_addr_add+0x30e/0xa40 [ 7406.274731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7406.274731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.274731][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.274731][ T903] netlink_unicast+0x449/0x710 [ 7406.274731][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.274731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.274731][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.274731][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.274731][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.274731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7406.274731][ T903] [ 7406.276970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7406.276970][ T903] netdev_get_by_index+0x5e/0x80 [ 7406.276970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7406.276970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7406.276970][ T903] ip6_route_add+0x1c/0x140 [ 7406.276970][ T903] addrconf_add_mroute+0x129/0x180 [ 7406.276970][ T903] addrconf_add_dev+0xe2/0x170 [ 7406.276970][ T903] inet6_addr_add+0x12f/0xa40 [ 7406.276970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7406.276970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.276970][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.276970][ T903] netlink_unicast+0x449/0x710 [ 7406.276970][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.276970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.276970][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.276970][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.276970][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.276970][ T903] [ 7406.279545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7406.279545][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7406.279545][ T903] ipv6_find_idev+0x102/0x170 [ 7406.279545][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7406.279545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.279545][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.279545][ T903] netlink_unicast+0x449/0x710 [ 7406.279545][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.279545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.279545][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.279545][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.279545][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.279545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7406.279545][ T903] [ 7406.281256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7406.281256][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7406.281256][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7406.281256][ T903] ipv6_find_idev+0x102/0x170 [ 7406.281256][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7406.281256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7406.281256][ T903] netlink_rcv_skb+0x130/0x360 [ 7406.281256][ T903] netlink_unicast+0x449/0x710 [ 7406.281256][ T903] netlink_sendmsg+0x723/0xbe0 [ 7406.281256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7406.281256][ T903] ___sys_sendmsg+0xee/0x170 [ 7406.281256][ T903] __sys_sendmsg+0xcd/0x170 [ 7406.281256][ T903] do_syscall_64+0xc6/0x1e0 [ 7406.281256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7406.281256][ T903] [ 7416.405738][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7416.406245][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7416.406245][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7416.406245][ T903] ip6_validate_gw+0x3eb/0x790 [ 7416.406245][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7416.406245][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7416.406245][ T903] ip6_route_add+0x1c/0x140 [ 7416.406245][ T903] inet6_rtm_newroute+0x104/0x110 [ 7416.406245][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.406245][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.406245][ T903] netlink_unicast+0x449/0x710 [ 7416.406245][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.406245][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.406245][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.406245][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.406245][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.406245][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7416.406245][ T903] [ 7416.408360][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7416.408360][ T903] netdev_get_by_index+0x5e/0x80 [ 7416.408360][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7416.408360][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7416.408360][ T903] ip6_route_add+0x1c/0x140 [ 7416.408360][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7416.408360][ T903] inet6_addr_add+0x4f8/0xa40 [ 7416.408360][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7416.408360][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.408360][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.408360][ T903] netlink_unicast+0x449/0x710 [ 7416.408360][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.408360][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.408360][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.408360][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.408360][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.408360][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7416.408360][ T903] [ 7416.410552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7416.410552][ T903] netdev_get_by_index+0x5e/0x80 [ 7416.410552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7416.410552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7416.410552][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7416.410552][ T903] ipv6_add_addr+0x411/0x2000 [ 7416.410552][ T903] inet6_addr_add+0x30e/0xa40 [ 7416.410552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7416.410552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.410552][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.410552][ T903] netlink_unicast+0x449/0x710 [ 7416.410552][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.410552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.410552][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.410552][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.410552][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.410552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7416.410552][ T903] [ 7416.412746][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7416.412746][ T903] netdev_get_by_index+0x5e/0x80 [ 7416.412746][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7416.412746][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7416.412746][ T903] ip6_route_add+0x1c/0x140 [ 7416.412746][ T903] addrconf_add_mroute+0x129/0x180 [ 7416.412746][ T903] addrconf_add_dev+0xe2/0x170 [ 7416.412746][ T903] inet6_addr_add+0x12f/0xa40 [ 7416.412746][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7416.412746][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.412746][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.412746][ T903] netlink_unicast+0x449/0x710 [ 7416.412746][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.412746][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.412746][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.412746][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.412746][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.412746][ T903] [ 7416.414902][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7416.414902][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7416.414902][ T903] ipv6_find_idev+0x102/0x170 [ 7416.414902][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7416.414902][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.414902][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.414902][ T903] netlink_unicast+0x449/0x710 [ 7416.414902][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.414902][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.414902][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.414902][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.414902][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.414902][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7416.414902][ T903] [ 7416.416593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7416.416593][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7416.416593][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7416.416593][ T903] ipv6_find_idev+0x102/0x170 [ 7416.416593][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7416.416593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7416.416593][ T903] netlink_rcv_skb+0x130/0x360 [ 7416.416593][ T903] netlink_unicast+0x449/0x710 [ 7416.416593][ T903] netlink_sendmsg+0x723/0xbe0 [ 7416.416593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7416.416593][ T903] ___sys_sendmsg+0xee/0x170 [ 7416.416593][ T903] __sys_sendmsg+0xcd/0x170 [ 7416.416593][ T903] do_syscall_64+0xc6/0x1e0 [ 7416.416593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7416.416593][ T903] [ 7426.653880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7426.654330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7426.654330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7426.654330][ T903] ip6_validate_gw+0x3eb/0x790 [ 7426.654330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7426.654330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7426.654330][ T903] ip6_route_add+0x1c/0x140 [ 7426.654330][ T903] inet6_rtm_newroute+0x104/0x110 [ 7426.654330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.654330][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.654330][ T903] netlink_unicast+0x449/0x710 [ 7426.654330][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.654330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.654330][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.654330][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.654330][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.654330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.654330][ T903] [ 7426.656424][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7426.656424][ T903] netdev_get_by_index+0x5e/0x80 [ 7426.656424][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7426.656424][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7426.656424][ T903] ip6_route_add+0x1c/0x140 [ 7426.656424][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7426.656424][ T903] inet6_addr_add+0x4f8/0xa40 [ 7426.656424][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.656424][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.656424][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.656424][ T903] netlink_unicast+0x449/0x710 [ 7426.656424][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.656424][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.656424][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.656424][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.656424][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.656424][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.656424][ T903] [ 7426.658642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7426.658642][ T903] netdev_get_by_index+0x5e/0x80 [ 7426.658642][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7426.658642][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7426.658642][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7426.658642][ T903] ipv6_add_addr+0x411/0x2000 [ 7426.658642][ T903] inet6_addr_add+0x30e/0xa40 [ 7426.658642][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.658642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.658642][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.658642][ T903] netlink_unicast+0x449/0x710 [ 7426.658642][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.658642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.658642][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.658642][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.658642][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.658642][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.658642][ T903] [ 7426.660849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7426.660849][ T903] netdev_get_by_index+0x5e/0x80 [ 7426.660849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7426.660849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7426.660849][ T903] ip6_route_add+0x1c/0x140 [ 7426.660849][ T903] addrconf_add_mroute+0x129/0x180 [ 7426.660849][ T903] addrconf_add_dev+0xe2/0x170 [ 7426.660849][ T903] inet6_addr_add+0x12f/0xa40 [ 7426.660849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7426.660849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.660849][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.660849][ T903] netlink_unicast+0x449/0x710 [ 7426.660849][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.660849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.660849][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.660849][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.660849][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.660849][ T903] [ 7426.663008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7426.663008][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7426.663008][ T903] ipv6_find_idev+0x102/0x170 [ 7426.663008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7426.663008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.663008][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.663008][ T903] netlink_unicast+0x449/0x710 [ 7426.663008][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.663008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.663008][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.663008][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.663008][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.663008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.663008][ T903] [ 7426.664713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7426.664713][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7426.664713][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7426.664713][ T903] ipv6_find_idev+0x102/0x170 [ 7426.664713][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7426.664713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7426.664713][ T903] netlink_rcv_skb+0x130/0x360 [ 7426.664713][ T903] netlink_unicast+0x449/0x710 [ 7426.664713][ T903] netlink_sendmsg+0x723/0xbe0 [ 7426.664713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7426.664713][ T903] ___sys_sendmsg+0xee/0x170 [ 7426.664713][ T903] __sys_sendmsg+0xcd/0x170 [ 7426.664713][ T903] do_syscall_64+0xc6/0x1e0 [ 7426.664713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7426.664713][ T903] [ 7436.901878][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7436.902381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7436.902381][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7436.902381][ T903] ip6_validate_gw+0x3eb/0x790 [ 7436.902381][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7436.902381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7436.902381][ T903] ip6_route_add+0x1c/0x140 [ 7436.902381][ T903] inet6_rtm_newroute+0x104/0x110 [ 7436.902381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.902381][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.902381][ T903] netlink_unicast+0x449/0x710 [ 7436.902381][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.902381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.902381][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.902381][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.902381][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.902381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.902381][ T903] [ 7436.904485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7436.904485][ T903] netdev_get_by_index+0x5e/0x80 [ 7436.904485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7436.904485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7436.904485][ T903] ip6_route_add+0x1c/0x140 [ 7436.904485][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7436.904485][ T903] inet6_addr_add+0x4f8/0xa40 [ 7436.904485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.904485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.904485][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.904485][ T903] netlink_unicast+0x449/0x710 [ 7436.904485][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.904485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.904485][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.904485][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.904485][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.904485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.904485][ T903] [ 7436.906680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7436.906680][ T903] netdev_get_by_index+0x5e/0x80 [ 7436.906680][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7436.906680][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7436.906680][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7436.906680][ T903] ipv6_add_addr+0x411/0x2000 [ 7436.906680][ T903] inet6_addr_add+0x30e/0xa40 [ 7436.906680][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.906680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.906680][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.906680][ T903] netlink_unicast+0x449/0x710 [ 7436.906680][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.906680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.906680][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.906680][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.906680][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.906680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.906680][ T903] [ 7436.908881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7436.908881][ T903] netdev_get_by_index+0x5e/0x80 [ 7436.908881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7436.908881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7436.908881][ T903] ip6_route_add+0x1c/0x140 [ 7436.908881][ T903] addrconf_add_mroute+0x129/0x180 [ 7436.908881][ T903] addrconf_add_dev+0xe2/0x170 [ 7436.908881][ T903] inet6_addr_add+0x12f/0xa40 [ 7436.908881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7436.908881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.908881][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.908881][ T903] netlink_unicast+0x449/0x710 [ 7436.908881][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.908881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.908881][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.908881][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.908881][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.908881][ T903] [ 7436.911156][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7436.911156][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7436.911156][ T903] ipv6_find_idev+0x102/0x170 [ 7436.911156][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7436.911156][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.911156][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.911156][ T903] netlink_unicast+0x449/0x710 [ 7436.911156][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.911156][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.911156][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.911156][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.911156][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.911156][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.911156][ T903] [ 7436.912846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7436.912846][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7436.912846][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7436.912846][ T903] ipv6_find_idev+0x102/0x170 [ 7436.912846][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7436.912846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7436.912846][ T903] netlink_rcv_skb+0x130/0x360 [ 7436.912846][ T903] netlink_unicast+0x449/0x710 [ 7436.912846][ T903] netlink_sendmsg+0x723/0xbe0 [ 7436.912846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7436.912846][ T903] ___sys_sendmsg+0xee/0x170 [ 7436.912846][ T903] __sys_sendmsg+0xcd/0x170 [ 7436.912846][ T903] do_syscall_64+0xc6/0x1e0 [ 7436.912846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7436.912846][ T903] [ 7447.117812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7447.118324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7447.118324][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7447.118324][ T903] ip6_validate_gw+0x3eb/0x790 [ 7447.118324][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7447.118324][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7447.118324][ T903] ip6_route_add+0x1c/0x140 [ 7447.118324][ T903] inet6_rtm_newroute+0x104/0x110 [ 7447.118324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.118324][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.118324][ T903] netlink_unicast+0x449/0x710 [ 7447.118324][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.118324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.118324][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.118324][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.118324][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.118324][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7447.118324][ T903] [ 7447.120449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7447.120449][ T903] netdev_get_by_index+0x5e/0x80 [ 7447.120449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7447.120449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7447.120449][ T903] ip6_route_add+0x1c/0x140 [ 7447.120449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7447.120449][ T903] inet6_addr_add+0x4f8/0xa40 [ 7447.120449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7447.120449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.120449][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.120449][ T903] netlink_unicast+0x449/0x710 [ 7447.120449][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.120449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.120449][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.120449][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.120449][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.120449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7447.120449][ T903] [ 7447.122665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7447.122665][ T903] netdev_get_by_index+0x5e/0x80 [ 7447.122665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7447.122665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7447.122665][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7447.122665][ T903] ipv6_add_addr+0x411/0x2000 [ 7447.122665][ T903] inet6_addr_add+0x30e/0xa40 [ 7447.122665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7447.122665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.122665][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.122665][ T903] netlink_unicast+0x449/0x710 [ 7447.122665][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.122665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.122665][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.122665][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.122665][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.122665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7447.122665][ T903] [ 7447.124886][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7447.124886][ T903] netdev_get_by_index+0x5e/0x80 [ 7447.124886][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7447.124886][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7447.124886][ T903] ip6_route_add+0x1c/0x140 [ 7447.124886][ T903] addrconf_add_mroute+0x129/0x180 [ 7447.124886][ T903] addrconf_add_dev+0xe2/0x170 [ 7447.124886][ T903] inet6_addr_add+0x12f/0xa40 [ 7447.124886][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7447.124886][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.124886][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.124886][ T903] netlink_unicast+0x449/0x710 [ 7447.124886][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.124886][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.124886][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.124886][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.124886][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.124886][ T903] [ 7447.127062][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7447.127062][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7447.127062][ T903] ipv6_find_idev+0x102/0x170 [ 7447.127062][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7447.127062][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.127062][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.127062][ T903] netlink_unicast+0x449/0x710 [ 7447.127062][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.127062][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.127062][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.127062][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.127062][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.127062][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7447.127062][ T903] [ 7447.128775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7447.128775][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7447.128775][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7447.128775][ T903] ipv6_find_idev+0x102/0x170 [ 7447.128775][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7447.128775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7447.128775][ T903] netlink_rcv_skb+0x130/0x360 [ 7447.128775][ T903] netlink_unicast+0x449/0x710 [ 7447.128775][ T903] netlink_sendmsg+0x723/0xbe0 [ 7447.128775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7447.128775][ T903] ___sys_sendmsg+0xee/0x170 [ 7447.128775][ T903] __sys_sendmsg+0xcd/0x170 [ 7447.128775][ T903] do_syscall_64+0xc6/0x1e0 [ 7447.128775][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7447.128775][ T903] [ 7457.149803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7457.150298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7457.150298][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7457.150298][ T903] ip6_validate_gw+0x3eb/0x790 [ 7457.150298][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7457.150298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7457.150298][ T903] ip6_route_add+0x1c/0x140 [ 7457.150298][ T903] inet6_rtm_newroute+0x104/0x110 [ 7457.150298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.150298][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.150298][ T903] netlink_unicast+0x449/0x710 [ 7457.150298][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.150298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.150298][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.150298][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.150298][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.150298][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7457.150298][ T903] [ 7457.152399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7457.152399][ T903] netdev_get_by_index+0x5e/0x80 [ 7457.152399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7457.152399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7457.152399][ T903] ip6_route_add+0x1c/0x140 [ 7457.152399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7457.152399][ T903] inet6_addr_add+0x4f8/0xa40 [ 7457.152399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7457.152399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.152399][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.152399][ T903] netlink_unicast+0x449/0x710 [ 7457.152399][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.152399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.152399][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.152399][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.152399][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.152399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7457.152399][ T903] [ 7457.154595][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7457.154595][ T903] netdev_get_by_index+0x5e/0x80 [ 7457.154595][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7457.154595][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7457.154595][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7457.154595][ T903] ipv6_add_addr+0x411/0x2000 [ 7457.154595][ T903] inet6_addr_add+0x30e/0xa40 [ 7457.154595][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7457.154595][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.154595][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.154595][ T903] netlink_unicast+0x449/0x710 [ 7457.154595][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.154595][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.154595][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.154595][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.154595][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.154595][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7457.154595][ T903] [ 7457.156796][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7457.156796][ T903] netdev_get_by_index+0x5e/0x80 [ 7457.156796][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7457.156796][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7457.156796][ T903] ip6_route_add+0x1c/0x140 [ 7457.156796][ T903] addrconf_add_mroute+0x129/0x180 [ 7457.156796][ T903] addrconf_add_dev+0xe2/0x170 [ 7457.156796][ T903] inet6_addr_add+0x12f/0xa40 [ 7457.156796][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7457.156796][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.156796][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.156796][ T903] netlink_unicast+0x449/0x710 [ 7457.156796][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.156796][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.156796][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.156796][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.156796][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.156796][ T903] [ 7457.158964][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7457.158964][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7457.158964][ T903] ipv6_find_idev+0x102/0x170 [ 7457.158964][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7457.158964][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.158964][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.158964][ T903] netlink_unicast+0x449/0x710 [ 7457.158964][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.158964][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.158964][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.158964][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.158964][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.158964][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7457.158964][ T903] [ 7457.160651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7457.160651][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7457.160651][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7457.160651][ T903] ipv6_find_idev+0x102/0x170 [ 7457.160651][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7457.160651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7457.160651][ T903] netlink_rcv_skb+0x130/0x360 [ 7457.160651][ T903] netlink_unicast+0x449/0x710 [ 7457.160651][ T903] netlink_sendmsg+0x723/0xbe0 [ 7457.160651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7457.160651][ T903] ___sys_sendmsg+0xee/0x170 [ 7457.160651][ T903] __sys_sendmsg+0xcd/0x170 [ 7457.160651][ T903] do_syscall_64+0xc6/0x1e0 [ 7457.160651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7457.160651][ T903] [ 7467.397811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7467.398260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7467.398260][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7467.398260][ T903] ip6_validate_gw+0x3eb/0x790 [ 7467.398260][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7467.398260][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7467.398260][ T903] ip6_route_add+0x1c/0x140 [ 7467.398260][ T903] inet6_rtm_newroute+0x104/0x110 [ 7467.398260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.398260][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.398260][ T903] netlink_unicast+0x449/0x710 [ 7467.398260][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.398260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.398260][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.398260][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.398260][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.398260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.398260][ T903] [ 7467.400369][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7467.400369][ T903] netdev_get_by_index+0x5e/0x80 [ 7467.400369][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7467.400369][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7467.400369][ T903] ip6_route_add+0x1c/0x140 [ 7467.400369][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7467.400369][ T903] inet6_addr_add+0x4f8/0xa40 [ 7467.400369][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.400369][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.400369][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.400369][ T903] netlink_unicast+0x449/0x710 [ 7467.400369][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.400369][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.400369][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.400369][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.400369][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.400369][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.400369][ T903] [ 7467.402687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7467.402687][ T903] netdev_get_by_index+0x5e/0x80 [ 7467.402687][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7467.402687][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7467.402687][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7467.402687][ T903] ipv6_add_addr+0x411/0x2000 [ 7467.402687][ T903] inet6_addr_add+0x30e/0xa40 [ 7467.402687][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.402687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.402687][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.402687][ T903] netlink_unicast+0x449/0x710 [ 7467.402687][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.402687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.402687][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.402687][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.402687][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.402687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.402687][ T903] [ 7467.405400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7467.405400][ T903] netdev_get_by_index+0x5e/0x80 [ 7467.405400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7467.405400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7467.405400][ T903] ip6_route_add+0x1c/0x140 [ 7467.405400][ T903] addrconf_add_mroute+0x129/0x180 [ 7467.405400][ T903] addrconf_add_dev+0xe2/0x170 [ 7467.405400][ T903] inet6_addr_add+0x12f/0xa40 [ 7467.405400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7467.405400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.405400][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.405400][ T903] netlink_unicast+0x449/0x710 [ 7467.405400][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.405400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.405400][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.405400][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.405400][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.405400][ T903] [ 7467.407570][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7467.407570][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7467.407570][ T903] ipv6_find_idev+0x102/0x170 [ 7467.407570][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7467.407570][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.407570][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.407570][ T903] netlink_unicast+0x449/0x710 [ 7467.407570][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.407570][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.407570][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.407570][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.407570][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.407570][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.407570][ T903] [ 7467.409269][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7467.409269][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7467.409269][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7467.409269][ T903] ipv6_find_idev+0x102/0x170 [ 7467.409269][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7467.409269][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7467.409269][ T903] netlink_rcv_skb+0x130/0x360 [ 7467.409269][ T903] netlink_unicast+0x449/0x710 [ 7467.409269][ T903] netlink_sendmsg+0x723/0xbe0 [ 7467.409269][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7467.409269][ T903] ___sys_sendmsg+0xee/0x170 [ 7467.409269][ T903] __sys_sendmsg+0xcd/0x170 [ 7467.409269][ T903] do_syscall_64+0xc6/0x1e0 [ 7467.409269][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7467.409269][ T903] [ 7477.653739][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7477.654181][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7477.654181][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7477.654181][ T903] ip6_validate_gw+0x3eb/0x790 [ 7477.654181][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7477.654181][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7477.654181][ T903] ip6_route_add+0x1c/0x140 [ 7477.654181][ T903] inet6_rtm_newroute+0x104/0x110 [ 7477.654181][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.654181][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.654181][ T903] netlink_unicast+0x449/0x710 [ 7477.654181][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.654181][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.654181][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.654181][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.654181][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.654181][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.654181][ T903] [ 7477.656319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7477.656319][ T903] netdev_get_by_index+0x5e/0x80 [ 7477.656319][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7477.656319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7477.656319][ T903] ip6_route_add+0x1c/0x140 [ 7477.656319][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7477.656319][ T903] inet6_addr_add+0x4f8/0xa40 [ 7477.656319][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.656319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.656319][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.656319][ T903] netlink_unicast+0x449/0x710 [ 7477.656319][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.656319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.656319][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.656319][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.656319][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.656319][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.656319][ T903] [ 7477.658541][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7477.658541][ T903] netdev_get_by_index+0x5e/0x80 [ 7477.658541][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7477.658541][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7477.658541][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7477.658541][ T903] ipv6_add_addr+0x411/0x2000 [ 7477.658541][ T903] inet6_addr_add+0x30e/0xa40 [ 7477.658541][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.658541][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.658541][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.658541][ T903] netlink_unicast+0x449/0x710 [ 7477.658541][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.658541][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.658541][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.658541][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.658541][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.658541][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.658541][ T903] [ 7477.660759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7477.660759][ T903] netdev_get_by_index+0x5e/0x80 [ 7477.660759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7477.660759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7477.660759][ T903] ip6_route_add+0x1c/0x140 [ 7477.660759][ T903] addrconf_add_mroute+0x129/0x180 [ 7477.660759][ T903] addrconf_add_dev+0xe2/0x170 [ 7477.660759][ T903] inet6_addr_add+0x12f/0xa40 [ 7477.660759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7477.660759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.660759][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.660759][ T903] netlink_unicast+0x449/0x710 [ 7477.660759][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.660759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.660759][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.660759][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.660759][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.660759][ T903] [ 7477.662927][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7477.662927][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7477.662927][ T903] ipv6_find_idev+0x102/0x170 [ 7477.662927][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7477.662927][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.662927][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.662927][ T903] netlink_unicast+0x449/0x710 [ 7477.662927][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.662927][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.662927][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.662927][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.662927][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.662927][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.662927][ T903] [ 7477.664641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7477.664641][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7477.664641][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7477.664641][ T903] ipv6_find_idev+0x102/0x170 [ 7477.664641][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7477.664641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7477.664641][ T903] netlink_rcv_skb+0x130/0x360 [ 7477.664641][ T903] netlink_unicast+0x449/0x710 [ 7477.664641][ T903] netlink_sendmsg+0x723/0xbe0 [ 7477.664641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7477.664641][ T903] ___sys_sendmsg+0xee/0x170 [ 7477.664641][ T903] __sys_sendmsg+0xcd/0x170 [ 7477.664641][ T903] do_syscall_64+0xc6/0x1e0 [ 7477.664641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7477.664641][ T903] [ 7487.901802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7487.902380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7487.902380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7487.902380][ T903] ip6_validate_gw+0x3eb/0x790 [ 7487.902380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7487.902380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7487.902380][ T903] ip6_route_add+0x1c/0x140 [ 7487.902380][ T903] inet6_rtm_newroute+0x104/0x110 [ 7487.902380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.902380][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.902380][ T903] netlink_unicast+0x449/0x710 [ 7487.902380][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.902380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.902380][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.902380][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.902380][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.902380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.902380][ T903] [ 7487.904480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7487.904480][ T903] netdev_get_by_index+0x5e/0x80 [ 7487.904480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7487.904480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7487.904480][ T903] ip6_route_add+0x1c/0x140 [ 7487.904480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7487.904480][ T903] inet6_addr_add+0x4f8/0xa40 [ 7487.904480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.904480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.904480][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.904480][ T903] netlink_unicast+0x449/0x710 [ 7487.904480][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.904480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.904480][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.904480][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.904480][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.904480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.904480][ T903] [ 7487.906716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7487.906716][ T903] netdev_get_by_index+0x5e/0x80 [ 7487.906716][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7487.906716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7487.906716][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7487.906716][ T903] ipv6_add_addr+0x411/0x2000 [ 7487.906716][ T903] inet6_addr_add+0x30e/0xa40 [ 7487.906716][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.906716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.906716][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.906716][ T903] netlink_unicast+0x449/0x710 [ 7487.906716][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.906716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.906716][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.906716][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.906716][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.906716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.906716][ T903] [ 7487.908926][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7487.908926][ T903] netdev_get_by_index+0x5e/0x80 [ 7487.908926][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7487.908926][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7487.908926][ T903] ip6_route_add+0x1c/0x140 [ 7487.908926][ T903] addrconf_add_mroute+0x129/0x180 [ 7487.908926][ T903] addrconf_add_dev+0xe2/0x170 [ 7487.908926][ T903] inet6_addr_add+0x12f/0xa40 [ 7487.908926][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7487.908926][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.908926][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.908926][ T903] netlink_unicast+0x449/0x710 [ 7487.908926][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.908926][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.908926][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.908926][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.908926][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.908926][ T903] [ 7487.911080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7487.911080][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7487.911080][ T903] ipv6_find_idev+0x102/0x170 [ 7487.911080][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7487.911080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.911080][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.911080][ T903] netlink_unicast+0x449/0x710 [ 7487.911080][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.911080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.911080][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.911080][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.911080][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.911080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.911080][ T903] [ 7487.912773][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7487.912773][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7487.912773][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7487.912773][ T903] ipv6_find_idev+0x102/0x170 [ 7487.912773][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7487.912773][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7487.912773][ T903] netlink_rcv_skb+0x130/0x360 [ 7487.912773][ T903] netlink_unicast+0x449/0x710 [ 7487.912773][ T903] netlink_sendmsg+0x723/0xbe0 [ 7487.912773][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7487.912773][ T903] ___sys_sendmsg+0xee/0x170 [ 7487.912773][ T903] __sys_sendmsg+0xcd/0x170 [ 7487.912773][ T903] do_syscall_64+0xc6/0x1e0 [ 7487.912773][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7487.912773][ T903] [ 7498.149760][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7498.150240][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7498.150240][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7498.150240][ T903] ip6_validate_gw+0x3eb/0x790 [ 7498.150240][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7498.150240][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7498.150240][ T903] ip6_route_add+0x1c/0x140 [ 7498.150240][ T903] inet6_rtm_newroute+0x104/0x110 [ 7498.150240][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.150240][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.150240][ T903] netlink_unicast+0x449/0x710 [ 7498.150240][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.150240][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.150240][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.150240][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.150240][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.150240][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7498.150240][ T903] [ 7498.152334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7498.152334][ T903] netdev_get_by_index+0x5e/0x80 [ 7498.152334][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7498.152334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7498.152334][ T903] ip6_route_add+0x1c/0x140 [ 7498.152334][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7498.152334][ T903] inet6_addr_add+0x4f8/0xa40 [ 7498.152334][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7498.152334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.152334][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.152334][ T903] netlink_unicast+0x449/0x710 [ 7498.152334][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.152334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.152334][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.152334][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.152334][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.152334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7498.152334][ T903] [ 7498.154564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7498.154564][ T903] netdev_get_by_index+0x5e/0x80 [ 7498.154564][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7498.154564][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7498.154564][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7498.154564][ T903] ipv6_add_addr+0x411/0x2000 [ 7498.154564][ T903] inet6_addr_add+0x30e/0xa40 [ 7498.154564][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7498.154564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.154564][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.154564][ T903] netlink_unicast+0x449/0x710 [ 7498.154564][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.154564][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.154564][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.154564][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.154564][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.154564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7498.154564][ T903] [ 7498.156763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7498.156763][ T903] netdev_get_by_index+0x5e/0x80 [ 7498.156763][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7498.156763][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7498.156763][ T903] ip6_route_add+0x1c/0x140 [ 7498.156763][ T903] addrconf_add_mroute+0x129/0x180 [ 7498.156763][ T903] addrconf_add_dev+0xe2/0x170 [ 7498.156763][ T903] inet6_addr_add+0x12f/0xa40 [ 7498.156763][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7498.156763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.156763][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.156763][ T903] netlink_unicast+0x449/0x710 [ 7498.156763][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.156763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.156763][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.156763][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.156763][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.156763][ T903] [ 7498.158940][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7498.158940][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7498.158940][ T903] ipv6_find_idev+0x102/0x170 [ 7498.158940][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7498.158940][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.158940][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.158940][ T903] netlink_unicast+0x449/0x710 [ 7498.158940][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.158940][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.158940][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.158940][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.158940][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.158940][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7498.158940][ T903] [ 7498.160634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7498.160634][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7498.160634][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7498.160634][ T903] ipv6_find_idev+0x102/0x170 [ 7498.160634][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7498.160634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7498.160634][ T903] netlink_rcv_skb+0x130/0x360 [ 7498.160634][ T903] netlink_unicast+0x449/0x710 [ 7498.160634][ T903] netlink_sendmsg+0x723/0xbe0 [ 7498.160634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7498.160634][ T903] ___sys_sendmsg+0xee/0x170 [ 7498.160634][ T903] __sys_sendmsg+0xcd/0x170 [ 7498.160634][ T903] do_syscall_64+0xc6/0x1e0 [ 7498.160634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7498.160634][ T903] [ 7508.397748][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7508.398205][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7508.398205][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7508.398205][ T903] ip6_validate_gw+0x3eb/0x790 [ 7508.398205][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7508.398205][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7508.398205][ T903] ip6_route_add+0x1c/0x140 [ 7508.398205][ T903] inet6_rtm_newroute+0x104/0x110 [ 7508.398205][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.398205][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.398205][ T903] netlink_unicast+0x449/0x710 [ 7508.398205][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.398205][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.398205][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.398205][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.398205][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.398205][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.398205][ T903] [ 7508.400311][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7508.400311][ T903] netdev_get_by_index+0x5e/0x80 [ 7508.400311][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7508.400311][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7508.400311][ T903] ip6_route_add+0x1c/0x140 [ 7508.400311][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7508.400311][ T903] inet6_addr_add+0x4f8/0xa40 [ 7508.400311][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.400311][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.400311][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.400311][ T903] netlink_unicast+0x449/0x710 [ 7508.400311][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.400311][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.400311][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.400311][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.400311][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.400311][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.400311][ T903] [ 7508.402513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7508.402513][ T903] netdev_get_by_index+0x5e/0x80 [ 7508.402513][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7508.402513][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7508.402513][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7508.402513][ T903] ipv6_add_addr+0x411/0x2000 [ 7508.402513][ T903] inet6_addr_add+0x30e/0xa40 [ 7508.402513][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.402513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.402513][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.402513][ T903] netlink_unicast+0x449/0x710 [ 7508.402513][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.402513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.402513][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.402513][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.402513][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.402513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.402513][ T903] [ 7508.404712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7508.404712][ T903] netdev_get_by_index+0x5e/0x80 [ 7508.404712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7508.404712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7508.404712][ T903] ip6_route_add+0x1c/0x140 [ 7508.404712][ T903] addrconf_add_mroute+0x129/0x180 [ 7508.404712][ T903] addrconf_add_dev+0xe2/0x170 [ 7508.404712][ T903] inet6_addr_add+0x12f/0xa40 [ 7508.404712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7508.404712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.404712][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.404712][ T903] netlink_unicast+0x449/0x710 [ 7508.404712][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.404712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.404712][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.404712][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.404712][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.404712][ T903] [ 7508.406878][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7508.406878][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7508.406878][ T903] ipv6_find_idev+0x102/0x170 [ 7508.406878][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7508.406878][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.406878][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.406878][ T903] netlink_unicast+0x449/0x710 [ 7508.406878][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.406878][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.406878][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.406878][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.406878][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.406878][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.406878][ T903] [ 7508.408605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7508.408605][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7508.408605][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7508.408605][ T903] ipv6_find_idev+0x102/0x170 [ 7508.408605][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7508.408605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7508.408605][ T903] netlink_rcv_skb+0x130/0x360 [ 7508.408605][ T903] netlink_unicast+0x449/0x710 [ 7508.408605][ T903] netlink_sendmsg+0x723/0xbe0 [ 7508.408605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7508.408605][ T903] ___sys_sendmsg+0xee/0x170 [ 7508.408605][ T903] __sys_sendmsg+0xcd/0x170 [ 7508.408605][ T903] do_syscall_64+0xc6/0x1e0 [ 7508.408605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7508.408605][ T903] [ 7518.645788][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7518.646238][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7518.646238][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7518.646238][ T903] ip6_validate_gw+0x3eb/0x790 [ 7518.646238][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7518.646238][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7518.646238][ T903] ip6_route_add+0x1c/0x140 [ 7518.646238][ T903] inet6_rtm_newroute+0x104/0x110 [ 7518.646238][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.646238][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.646238][ T903] netlink_unicast+0x449/0x710 [ 7518.646238][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.646238][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.646238][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.646238][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.646238][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.646238][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.646238][ T903] [ 7518.648376][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7518.648376][ T903] netdev_get_by_index+0x5e/0x80 [ 7518.648376][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7518.648376][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7518.648376][ T903] ip6_route_add+0x1c/0x140 [ 7518.648376][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7518.648376][ T903] inet6_addr_add+0x4f8/0xa40 [ 7518.648376][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.648376][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.648376][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.648376][ T903] netlink_unicast+0x449/0x710 [ 7518.648376][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.648376][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.648376][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.648376][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.648376][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.648376][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.648376][ T903] [ 7518.650575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7518.650575][ T903] netdev_get_by_index+0x5e/0x80 [ 7518.650575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7518.650575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7518.650575][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7518.650575][ T903] ipv6_add_addr+0x411/0x2000 [ 7518.650575][ T903] inet6_addr_add+0x30e/0xa40 [ 7518.650575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.650575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.650575][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.650575][ T903] netlink_unicast+0x449/0x710 [ 7518.650575][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.650575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.650575][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.650575][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.650575][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.650575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.650575][ T903] [ 7518.652783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7518.652783][ T903] netdev_get_by_index+0x5e/0x80 [ 7518.652783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7518.652783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7518.652783][ T903] ip6_route_add+0x1c/0x140 [ 7518.652783][ T903] addrconf_add_mroute+0x129/0x180 [ 7518.652783][ T903] addrconf_add_dev+0xe2/0x170 [ 7518.652783][ T903] inet6_addr_add+0x12f/0xa40 [ 7518.652783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7518.652783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.652783][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.652783][ T903] netlink_unicast+0x449/0x710 [ 7518.652783][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.652783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.652783][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.652783][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.652783][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.652783][ T903] [ 7518.654941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7518.654941][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7518.654941][ T903] ipv6_find_idev+0x102/0x170 [ 7518.654941][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7518.654941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.654941][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.654941][ T903] netlink_unicast+0x449/0x710 [ 7518.654941][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.654941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.654941][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.654941][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.654941][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.654941][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.654941][ T903] [ 7518.656628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7518.656628][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7518.656628][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7518.656628][ T903] ipv6_find_idev+0x102/0x170 [ 7518.656628][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7518.656628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7518.656628][ T903] netlink_rcv_skb+0x130/0x360 [ 7518.656628][ T903] netlink_unicast+0x449/0x710 [ 7518.656628][ T903] netlink_sendmsg+0x723/0xbe0 [ 7518.656628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7518.656628][ T903] ___sys_sendmsg+0xee/0x170 [ 7518.656628][ T903] __sys_sendmsg+0xcd/0x170 [ 7518.656628][ T903] do_syscall_64+0xc6/0x1e0 [ 7518.656628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7518.656628][ T903] [ 7528.893757][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7528.894279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7528.894279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7528.894279][ T903] ip6_validate_gw+0x3eb/0x790 [ 7528.894279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7528.894279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7528.894279][ T903] ip6_route_add+0x1c/0x140 [ 7528.894279][ T903] inet6_rtm_newroute+0x104/0x110 [ 7528.894279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.894279][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.894279][ T903] netlink_unicast+0x449/0x710 [ 7528.894279][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.894279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.894279][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.894279][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.894279][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.894279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.894279][ T903] [ 7528.896365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7528.896365][ T903] netdev_get_by_index+0x5e/0x80 [ 7528.896365][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7528.896365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7528.896365][ T903] ip6_route_add+0x1c/0x140 [ 7528.896365][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7528.896365][ T903] inet6_addr_add+0x4f8/0xa40 [ 7528.896365][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.896365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.896365][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.896365][ T903] netlink_unicast+0x449/0x710 [ 7528.896365][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.896365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.896365][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.896365][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.896365][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.896365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.896365][ T903] [ 7528.898587][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7528.898587][ T903] netdev_get_by_index+0x5e/0x80 [ 7528.898587][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7528.898587][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7528.898587][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7528.898587][ T903] ipv6_add_addr+0x411/0x2000 [ 7528.898587][ T903] inet6_addr_add+0x30e/0xa40 [ 7528.898587][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.898587][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.898587][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.898587][ T903] netlink_unicast+0x449/0x710 [ 7528.898587][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.898587][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.898587][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.898587][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.898587][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.898587][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.898587][ T903] [ 7528.900775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7528.900775][ T903] netdev_get_by_index+0x5e/0x80 [ 7528.900775][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7528.900775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7528.900775][ T903] ip6_route_add+0x1c/0x140 [ 7528.900775][ T903] addrconf_add_mroute+0x129/0x180 [ 7528.900775][ T903] addrconf_add_dev+0xe2/0x170 [ 7528.900775][ T903] inet6_addr_add+0x12f/0xa40 [ 7528.900775][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7528.900775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.900775][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.900775][ T903] netlink_unicast+0x449/0x710 [ 7528.900775][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.900775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.900775][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.900775][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.900775][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.900775][ T903] [ 7528.902940][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7528.902940][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7528.902940][ T903] ipv6_find_idev+0x102/0x170 [ 7528.902940][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7528.902940][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.902940][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.902940][ T903] netlink_unicast+0x449/0x710 [ 7528.902940][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.902940][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.902940][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.902940][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.902940][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.902940][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.902940][ T903] [ 7528.904631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7528.904631][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7528.904631][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7528.904631][ T903] ipv6_find_idev+0x102/0x170 [ 7528.904631][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7528.904631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7528.904631][ T903] netlink_rcv_skb+0x130/0x360 [ 7528.904631][ T903] netlink_unicast+0x449/0x710 [ 7528.904631][ T903] netlink_sendmsg+0x723/0xbe0 [ 7528.904631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7528.904631][ T903] ___sys_sendmsg+0xee/0x170 [ 7528.904631][ T903] __sys_sendmsg+0xcd/0x170 [ 7528.904631][ T903] do_syscall_64+0xc6/0x1e0 [ 7528.904631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7528.904631][ T903] [ 7539.141794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7539.142258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7539.142258][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7539.142258][ T903] ip6_validate_gw+0x3eb/0x790 [ 7539.142258][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7539.142258][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7539.142258][ T903] ip6_route_add+0x1c/0x140 [ 7539.142258][ T903] inet6_rtm_newroute+0x104/0x110 [ 7539.142258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.142258][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.142258][ T903] netlink_unicast+0x449/0x710 [ 7539.142258][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.142258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.142258][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.142258][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.142258][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.142258][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7539.142258][ T903] [ 7539.144348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7539.144348][ T903] netdev_get_by_index+0x5e/0x80 [ 7539.144348][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7539.144348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7539.144348][ T903] ip6_route_add+0x1c/0x140 [ 7539.144348][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7539.144348][ T903] inet6_addr_add+0x4f8/0xa40 [ 7539.144348][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7539.144348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.144348][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.144348][ T903] netlink_unicast+0x449/0x710 [ 7539.144348][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.144348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.144348][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.144348][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.144348][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.144348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7539.144348][ T903] [ 7539.146567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7539.146567][ T903] netdev_get_by_index+0x5e/0x80 [ 7539.146567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7539.146567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7539.146567][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7539.146567][ T903] ipv6_add_addr+0x411/0x2000 [ 7539.146567][ T903] inet6_addr_add+0x30e/0xa40 [ 7539.146567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7539.146567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.146567][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.146567][ T903] netlink_unicast+0x449/0x710 [ 7539.146567][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.146567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.146567][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.146567][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.146567][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.146567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7539.146567][ T903] [ 7539.148782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7539.148782][ T903] netdev_get_by_index+0x5e/0x80 [ 7539.148782][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7539.148782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7539.148782][ T903] ip6_route_add+0x1c/0x140 [ 7539.148782][ T903] addrconf_add_mroute+0x129/0x180 [ 7539.148782][ T903] addrconf_add_dev+0xe2/0x170 [ 7539.148782][ T903] inet6_addr_add+0x12f/0xa40 [ 7539.148782][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7539.148782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.148782][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.148782][ T903] netlink_unicast+0x449/0x710 [ 7539.148782][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.148782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.148782][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.148782][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.148782][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.148782][ T903] [ 7539.150948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7539.150948][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7539.150948][ T903] ipv6_find_idev+0x102/0x170 [ 7539.150948][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7539.150948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.150948][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.150948][ T903] netlink_unicast+0x449/0x710 [ 7539.150948][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.150948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.150948][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.150948][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.150948][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.150948][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7539.150948][ T903] [ 7539.152636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7539.152636][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7539.152636][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7539.152636][ T903] ipv6_find_idev+0x102/0x170 [ 7539.152636][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7539.152636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7539.152636][ T903] netlink_rcv_skb+0x130/0x360 [ 7539.152636][ T903] netlink_unicast+0x449/0x710 [ 7539.152636][ T903] netlink_sendmsg+0x723/0xbe0 [ 7539.152636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7539.152636][ T903] ___sys_sendmsg+0xee/0x170 [ 7539.152636][ T903] __sys_sendmsg+0xcd/0x170 [ 7539.152636][ T903] do_syscall_64+0xc6/0x1e0 [ 7539.152636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7539.152636][ T903] [ 7549.389834][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7549.390525][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7549.390525][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7549.390525][ T903] ip6_validate_gw+0x3eb/0x790 [ 7549.390525][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7549.390525][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7549.390525][ T903] ip6_route_add+0x1c/0x140 [ 7549.390525][ T903] inet6_rtm_newroute+0x104/0x110 [ 7549.390525][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.390525][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.390525][ T903] netlink_unicast+0x449/0x710 [ 7549.390525][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.390525][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.390525][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.390525][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.390525][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.390525][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.390525][ T903] [ 7549.393937][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7549.393937][ T903] netdev_get_by_index+0x5e/0x80 [ 7549.393937][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7549.393937][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7549.393937][ T903] ip6_route_add+0x1c/0x140 [ 7549.393937][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7549.393937][ T903] inet6_addr_add+0x4f8/0xa40 [ 7549.393937][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.393937][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.393937][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.393937][ T903] netlink_unicast+0x449/0x710 [ 7549.393937][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.393937][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.393937][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.393937][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.393937][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.393937][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.393937][ T903] [ 7549.397528][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7549.397528][ T903] netdev_get_by_index+0x5e/0x80 [ 7549.397528][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7549.397528][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7549.397528][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7549.397528][ T903] ipv6_add_addr+0x411/0x2000 [ 7549.397528][ T903] inet6_addr_add+0x30e/0xa40 [ 7549.397528][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.397528][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.397528][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.397528][ T903] netlink_unicast+0x449/0x710 [ 7549.397528][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.397528][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.397528][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.397528][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.397528][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.397528][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.397528][ T903] [ 7549.401002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7549.401002][ T903] netdev_get_by_index+0x5e/0x80 [ 7549.401002][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7549.401002][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7549.401002][ T903] ip6_route_add+0x1c/0x140 [ 7549.401002][ T903] addrconf_add_mroute+0x129/0x180 [ 7549.401002][ T903] addrconf_add_dev+0xe2/0x170 [ 7549.401002][ T903] inet6_addr_add+0x12f/0xa40 [ 7549.401002][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7549.401002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.401002][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.401002][ T903] netlink_unicast+0x449/0x710 [ 7549.401002][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.401002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.401002][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.401002][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.401002][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.401002][ T903] [ 7549.404359][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7549.404359][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7549.404359][ T903] ipv6_find_idev+0x102/0x170 [ 7549.404359][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7549.404359][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.404359][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.404359][ T903] netlink_unicast+0x449/0x710 [ 7549.404359][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.404359][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.404359][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.404359][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.404359][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.404359][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.404359][ T903] [ 7549.406945][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7549.406945][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7549.406945][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7549.406945][ T903] ipv6_find_idev+0x102/0x170 [ 7549.406945][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7549.406945][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7549.406945][ T903] netlink_rcv_skb+0x130/0x360 [ 7549.406945][ T903] netlink_unicast+0x449/0x710 [ 7549.406945][ T903] netlink_sendmsg+0x723/0xbe0 [ 7549.406945][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7549.406945][ T903] ___sys_sendmsg+0xee/0x170 [ 7549.406945][ T903] __sys_sendmsg+0xcd/0x170 [ 7549.406945][ T903] do_syscall_64+0xc6/0x1e0 [ 7549.406945][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7549.406945][ T903] [ 7559.645768][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7559.646324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7559.646324][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7559.646324][ T903] ip6_validate_gw+0x3eb/0x790 [ 7559.646324][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7559.646324][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7559.646324][ T903] ip6_route_add+0x1c/0x140 [ 7559.646324][ T903] inet6_rtm_newroute+0x104/0x110 [ 7559.646324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.646324][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.646324][ T903] netlink_unicast+0x449/0x710 [ 7559.646324][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.646324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.646324][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.646324][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.646324][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.646324][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.646324][ T903] [ 7559.648466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7559.648466][ T903] netdev_get_by_index+0x5e/0x80 [ 7559.648466][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7559.648466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7559.648466][ T903] ip6_route_add+0x1c/0x140 [ 7559.648466][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7559.648466][ T903] inet6_addr_add+0x4f8/0xa40 [ 7559.648466][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.648466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.648466][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.648466][ T903] netlink_unicast+0x449/0x710 [ 7559.648466][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.648466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.648466][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.648466][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.648466][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.648466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.648466][ T903] [ 7559.650691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7559.650691][ T903] netdev_get_by_index+0x5e/0x80 [ 7559.650691][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7559.650691][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7559.650691][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7559.650691][ T903] ipv6_add_addr+0x411/0x2000 [ 7559.650691][ T903] inet6_addr_add+0x30e/0xa40 [ 7559.650691][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.650691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.650691][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.650691][ T903] netlink_unicast+0x449/0x710 [ 7559.650691][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.650691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.650691][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.650691][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.650691][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.650691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.650691][ T903] [ 7559.652902][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7559.652902][ T903] netdev_get_by_index+0x5e/0x80 [ 7559.652902][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7559.652902][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7559.652902][ T903] ip6_route_add+0x1c/0x140 [ 7559.652902][ T903] addrconf_add_mroute+0x129/0x180 [ 7559.652902][ T903] addrconf_add_dev+0xe2/0x170 [ 7559.652902][ T903] inet6_addr_add+0x12f/0xa40 [ 7559.652902][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7559.652902][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.652902][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.652902][ T903] netlink_unicast+0x449/0x710 [ 7559.652902][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.652902][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.652902][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.652902][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.652902][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.652902][ T903] [ 7559.655079][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7559.655079][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7559.655079][ T903] ipv6_find_idev+0x102/0x170 [ 7559.655079][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7559.655079][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.655079][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.655079][ T903] netlink_unicast+0x449/0x710 [ 7559.655079][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.655079][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.655079][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.655079][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.655079][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.655079][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.655079][ T903] [ 7559.656789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7559.656789][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7559.656789][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7559.656789][ T903] ipv6_find_idev+0x102/0x170 [ 7559.656789][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7559.656789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7559.656789][ T903] netlink_rcv_skb+0x130/0x360 [ 7559.656789][ T903] netlink_unicast+0x449/0x710 [ 7559.656789][ T903] netlink_sendmsg+0x723/0xbe0 [ 7559.656789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7559.656789][ T903] ___sys_sendmsg+0xee/0x170 [ 7559.656789][ T903] __sys_sendmsg+0xcd/0x170 [ 7559.656789][ T903] do_syscall_64+0xc6/0x1e0 [ 7559.656789][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7559.656789][ T903] [ 7569.909742][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7569.910258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7569.910258][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7569.910258][ T903] ip6_validate_gw+0x3eb/0x790 [ 7569.910258][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7569.910258][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7569.910258][ T903] ip6_route_add+0x1c/0x140 [ 7569.910258][ T903] inet6_rtm_newroute+0x104/0x110 [ 7569.910258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.910258][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.910258][ T903] netlink_unicast+0x449/0x710 [ 7569.910258][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.910258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.910258][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.910258][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.910258][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.910258][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.910258][ T903] [ 7569.912354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7569.912354][ T903] netdev_get_by_index+0x5e/0x80 [ 7569.912354][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7569.912354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7569.912354][ T903] ip6_route_add+0x1c/0x140 [ 7569.912354][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7569.912354][ T903] inet6_addr_add+0x4f8/0xa40 [ 7569.912354][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.912354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.912354][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.912354][ T903] netlink_unicast+0x449/0x710 [ 7569.912354][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.912354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.912354][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.912354][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.912354][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.912354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.912354][ T903] [ 7569.915077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7569.915077][ T903] netdev_get_by_index+0x5e/0x80 [ 7569.915077][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7569.915077][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7569.915077][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7569.915077][ T903] ipv6_add_addr+0x411/0x2000 [ 7569.915077][ T903] inet6_addr_add+0x30e/0xa40 [ 7569.915077][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.915077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.915077][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.915077][ T903] netlink_unicast+0x449/0x710 [ 7569.915077][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.915077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.915077][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.915077][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.915077][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.915077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.915077][ T903] [ 7569.917266][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7569.917266][ T903] netdev_get_by_index+0x5e/0x80 [ 7569.917266][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7569.917266][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7569.917266][ T903] ip6_route_add+0x1c/0x140 [ 7569.917266][ T903] addrconf_add_mroute+0x129/0x180 [ 7569.917266][ T903] addrconf_add_dev+0xe2/0x170 [ 7569.917266][ T903] inet6_addr_add+0x12f/0xa40 [ 7569.917266][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7569.917266][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.917266][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.917266][ T903] netlink_unicast+0x449/0x710 [ 7569.917266][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.917266][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.917266][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.917266][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.917266][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.917266][ T903] [ 7569.920553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7569.920553][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7569.920553][ T903] ipv6_find_idev+0x102/0x170 [ 7569.920553][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7569.920553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.920553][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.920553][ T903] netlink_unicast+0x449/0x710 [ 7569.920553][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.920553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.920553][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.920553][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.920553][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.920553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.920553][ T903] [ 7569.923341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7569.923341][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7569.923341][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7569.923341][ T903] ipv6_find_idev+0x102/0x170 [ 7569.923341][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7569.923341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7569.923341][ T903] netlink_rcv_skb+0x130/0x360 [ 7569.923341][ T903] netlink_unicast+0x449/0x710 [ 7569.923341][ T903] netlink_sendmsg+0x723/0xbe0 [ 7569.923341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7569.923341][ T903] ___sys_sendmsg+0xee/0x170 [ 7569.923341][ T903] __sys_sendmsg+0xcd/0x170 [ 7569.923341][ T903] do_syscall_64+0xc6/0x1e0 [ 7569.923341][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7569.923341][ T903] [ 7580.165769][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7580.166279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7580.166279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7580.166279][ T903] ip6_validate_gw+0x3eb/0x790 [ 7580.166279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7580.166279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7580.166279][ T903] ip6_route_add+0x1c/0x140 [ 7580.166279][ T903] inet6_rtm_newroute+0x104/0x110 [ 7580.166279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.166279][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.166279][ T903] netlink_unicast+0x449/0x710 [ 7580.166279][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.166279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.166279][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.166279][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.166279][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.166279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7580.166279][ T903] [ 7580.168501][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7580.168501][ T903] netdev_get_by_index+0x5e/0x80 [ 7580.168501][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7580.168501][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7580.168501][ T903] ip6_route_add+0x1c/0x140 [ 7580.168501][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7580.168501][ T903] inet6_addr_add+0x4f8/0xa40 [ 7580.168501][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7580.168501][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.168501][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.168501][ T903] netlink_unicast+0x449/0x710 [ 7580.168501][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.168501][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.168501][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.168501][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.168501][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.168501][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7580.168501][ T903] [ 7580.170720][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7580.170720][ T903] netdev_get_by_index+0x5e/0x80 [ 7580.170720][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7580.170720][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7580.170720][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7580.170720][ T903] ipv6_add_addr+0x411/0x2000 [ 7580.170720][ T903] inet6_addr_add+0x30e/0xa40 [ 7580.170720][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7580.170720][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.170720][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.170720][ T903] netlink_unicast+0x449/0x710 [ 7580.170720][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.170720][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.170720][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.170720][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.170720][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.170720][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7580.170720][ T903] [ 7580.172941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7580.172941][ T903] netdev_get_by_index+0x5e/0x80 [ 7580.172941][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7580.172941][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7580.172941][ T903] ip6_route_add+0x1c/0x140 [ 7580.172941][ T903] addrconf_add_mroute+0x129/0x180 [ 7580.172941][ T903] addrconf_add_dev+0xe2/0x170 [ 7580.172941][ T903] inet6_addr_add+0x12f/0xa40 [ 7580.172941][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7580.172941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.172941][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.172941][ T903] netlink_unicast+0x449/0x710 [ 7580.172941][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.172941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.172941][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.172941][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.172941][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.172941][ T903] [ 7580.175116][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7580.175116][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7580.175116][ T903] ipv6_find_idev+0x102/0x170 [ 7580.175116][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7580.175116][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.175116][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.175116][ T903] netlink_unicast+0x449/0x710 [ 7580.175116][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.175116][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.175116][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.175116][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.175116][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.175116][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7580.175116][ T903] [ 7580.176826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7580.176826][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7580.176826][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7580.176826][ T903] ipv6_find_idev+0x102/0x170 [ 7580.176826][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7580.176826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7580.176826][ T903] netlink_rcv_skb+0x130/0x360 [ 7580.176826][ T903] netlink_unicast+0x449/0x710 [ 7580.176826][ T903] netlink_sendmsg+0x723/0xbe0 [ 7580.176826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7580.176826][ T903] ___sys_sendmsg+0xee/0x170 [ 7580.176826][ T903] __sys_sendmsg+0xcd/0x170 [ 7580.176826][ T903] do_syscall_64+0xc6/0x1e0 [ 7580.176826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7580.176826][ T903] [ 7590.421849][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7590.422291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7590.422291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7590.422291][ T903] ip6_validate_gw+0x3eb/0x790 [ 7590.422291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7590.422291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7590.422291][ T903] ip6_route_add+0x1c/0x140 [ 7590.422291][ T903] inet6_rtm_newroute+0x104/0x110 [ 7590.422291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.422291][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.422291][ T903] netlink_unicast+0x449/0x710 [ 7590.422291][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.422291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.422291][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.422291][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.422291][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.422291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7590.422291][ T903] [ 7590.424389][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7590.424389][ T903] netdev_get_by_index+0x5e/0x80 [ 7590.424389][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7590.424389][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7590.424389][ T903] ip6_route_add+0x1c/0x140 [ 7590.424389][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7590.424389][ T903] inet6_addr_add+0x4f8/0xa40 [ 7590.424389][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7590.424389][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.424389][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.424389][ T903] netlink_unicast+0x449/0x710 [ 7590.424389][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.424389][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.424389][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.424389][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.424389][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.424389][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7590.424389][ T903] [ 7590.426600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7590.426600][ T903] netdev_get_by_index+0x5e/0x80 [ 7590.426600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7590.426600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7590.426600][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7590.426600][ T903] ipv6_add_addr+0x411/0x2000 [ 7590.426600][ T903] inet6_addr_add+0x30e/0xa40 [ 7590.426600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7590.426600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.426600][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.426600][ T903] netlink_unicast+0x449/0x710 [ 7590.426600][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.426600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.426600][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.426600][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.426600][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.426600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7590.426600][ T903] [ 7590.428822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7590.428822][ T903] netdev_get_by_index+0x5e/0x80 [ 7590.428822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7590.428822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7590.428822][ T903] ip6_route_add+0x1c/0x140 [ 7590.428822][ T903] addrconf_add_mroute+0x129/0x180 [ 7590.428822][ T903] addrconf_add_dev+0xe2/0x170 [ 7590.428822][ T903] inet6_addr_add+0x12f/0xa40 [ 7590.428822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7590.428822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.428822][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.428822][ T903] netlink_unicast+0x449/0x710 [ 7590.428822][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.428822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.428822][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.428822][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.428822][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.428822][ T903] [ 7590.431165][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7590.431165][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7590.431165][ T903] ipv6_find_idev+0x102/0x170 [ 7590.431165][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7590.431165][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.431165][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.431165][ T903] netlink_unicast+0x449/0x710 [ 7590.431165][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.431165][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.431165][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.431165][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.431165][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.431165][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7590.431165][ T903] [ 7590.432898][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7590.432898][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7590.432898][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7590.432898][ T903] ipv6_find_idev+0x102/0x170 [ 7590.432898][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7590.432898][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7590.432898][ T903] netlink_rcv_skb+0x130/0x360 [ 7590.432898][ T903] netlink_unicast+0x449/0x710 [ 7590.432898][ T903] netlink_sendmsg+0x723/0xbe0 [ 7590.432898][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7590.432898][ T903] ___sys_sendmsg+0xee/0x170 [ 7590.432898][ T903] __sys_sendmsg+0xcd/0x170 [ 7590.432898][ T903] do_syscall_64+0xc6/0x1e0 [ 7590.432898][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7590.432898][ T903] [ 7600.677829][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7600.678288][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7600.678288][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7600.678288][ T903] ip6_validate_gw+0x3eb/0x790 [ 7600.678288][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7600.678288][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7600.678288][ T903] ip6_route_add+0x1c/0x140 [ 7600.678288][ T903] inet6_rtm_newroute+0x104/0x110 [ 7600.678288][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.678288][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.678288][ T903] netlink_unicast+0x449/0x710 [ 7600.678288][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.678288][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.678288][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.678288][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.678288][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.678288][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7600.678288][ T903] [ 7600.680428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7600.680428][ T903] netdev_get_by_index+0x5e/0x80 [ 7600.680428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7600.680428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7600.680428][ T903] ip6_route_add+0x1c/0x140 [ 7600.680428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7600.680428][ T903] inet6_addr_add+0x4f8/0xa40 [ 7600.680428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7600.680428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.680428][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.680428][ T903] netlink_unicast+0x449/0x710 [ 7600.680428][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.680428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.680428][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.680428][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.680428][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.680428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7600.680428][ T903] [ 7600.682696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7600.682696][ T903] netdev_get_by_index+0x5e/0x80 [ 7600.682696][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7600.682696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7600.682696][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7600.682696][ T903] ipv6_add_addr+0x411/0x2000 [ 7600.682696][ T903] inet6_addr_add+0x30e/0xa40 [ 7600.682696][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7600.682696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.682696][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.682696][ T903] netlink_unicast+0x449/0x710 [ 7600.682696][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.682696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.682696][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.682696][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.682696][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.682696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7600.682696][ T903] [ 7600.685477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7600.685477][ T903] netdev_get_by_index+0x5e/0x80 [ 7600.685477][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7600.685477][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7600.685477][ T903] ip6_route_add+0x1c/0x140 [ 7600.685477][ T903] addrconf_add_mroute+0x129/0x180 [ 7600.685477][ T903] addrconf_add_dev+0xe2/0x170 [ 7600.685477][ T903] inet6_addr_add+0x12f/0xa40 [ 7600.685477][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7600.685477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.685477][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.685477][ T903] netlink_unicast+0x449/0x710 [ 7600.685477][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.685477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.685477][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.685477][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.685477][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.685477][ T903] [ 7600.687699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7600.687699][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7600.687699][ T903] ipv6_find_idev+0x102/0x170 [ 7600.687699][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7600.687699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.687699][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.687699][ T903] netlink_unicast+0x449/0x710 [ 7600.687699][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.687699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.687699][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.687699][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.687699][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.687699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7600.687699][ T903] [ 7600.689431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7600.689431][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7600.689431][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7600.689431][ T903] ipv6_find_idev+0x102/0x170 [ 7600.689431][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7600.689431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7600.689431][ T903] netlink_rcv_skb+0x130/0x360 [ 7600.689431][ T903] netlink_unicast+0x449/0x710 [ 7600.689431][ T903] netlink_sendmsg+0x723/0xbe0 [ 7600.689431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7600.689431][ T903] ___sys_sendmsg+0xee/0x170 [ 7600.689431][ T903] __sys_sendmsg+0xcd/0x170 [ 7600.689431][ T903] do_syscall_64+0xc6/0x1e0 [ 7600.689431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7600.689431][ T903] [ 7610.869794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7610.870299][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7610.870299][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7610.870299][ T903] ip6_validate_gw+0x3eb/0x790 [ 7610.870299][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7610.870299][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7610.870299][ T903] ip6_route_add+0x1c/0x140 [ 7610.870299][ T903] inet6_rtm_newroute+0x104/0x110 [ 7610.870299][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.870299][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.870299][ T903] netlink_unicast+0x449/0x710 [ 7610.870299][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.870299][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.870299][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.870299][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.870299][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.870299][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.870299][ T903] [ 7610.872380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7610.872380][ T903] netdev_get_by_index+0x5e/0x80 [ 7610.872380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7610.872380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7610.872380][ T903] ip6_route_add+0x1c/0x140 [ 7610.872380][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7610.872380][ T903] inet6_addr_add+0x4f8/0xa40 [ 7610.872380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.872380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.872380][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.872380][ T903] netlink_unicast+0x449/0x710 [ 7610.872380][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.872380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.872380][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.872380][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.872380][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.872380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.872380][ T903] [ 7610.874638][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7610.874638][ T903] netdev_get_by_index+0x5e/0x80 [ 7610.874638][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7610.874638][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7610.874638][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7610.874638][ T903] ipv6_add_addr+0x411/0x2000 [ 7610.874638][ T903] inet6_addr_add+0x30e/0xa40 [ 7610.874638][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.874638][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.874638][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.874638][ T903] netlink_unicast+0x449/0x710 [ 7610.874638][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.874638][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.874638][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.874638][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.874638][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.874638][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.874638][ T903] [ 7610.877326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7610.877326][ T903] netdev_get_by_index+0x5e/0x80 [ 7610.877326][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7610.877326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7610.877326][ T903] ip6_route_add+0x1c/0x140 [ 7610.877326][ T903] addrconf_add_mroute+0x129/0x180 [ 7610.877326][ T903] addrconf_add_dev+0xe2/0x170 [ 7610.877326][ T903] inet6_addr_add+0x12f/0xa40 [ 7610.877326][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7610.877326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.877326][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.877326][ T903] netlink_unicast+0x449/0x710 [ 7610.877326][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.877326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.877326][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.877326][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.877326][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.877326][ T903] [ 7610.879571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7610.879571][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7610.879571][ T903] ipv6_find_idev+0x102/0x170 [ 7610.879571][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7610.879571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.879571][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.879571][ T903] netlink_unicast+0x449/0x710 [ 7610.879571][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.879571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.879571][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.879571][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.879571][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.879571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.879571][ T903] [ 7610.881276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7610.881276][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7610.881276][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7610.881276][ T903] ipv6_find_idev+0x102/0x170 [ 7610.881276][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7610.881276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7610.881276][ T903] netlink_rcv_skb+0x130/0x360 [ 7610.881276][ T903] netlink_unicast+0x449/0x710 [ 7610.881276][ T903] netlink_sendmsg+0x723/0xbe0 [ 7610.881276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7610.881276][ T903] ___sys_sendmsg+0xee/0x170 [ 7610.881276][ T903] __sys_sendmsg+0xcd/0x170 [ 7610.881276][ T903] do_syscall_64+0xc6/0x1e0 [ 7610.881276][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7610.881276][ T903] [ 7620.989856][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7620.990813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7620.990813][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7620.990813][ T903] ip6_validate_gw+0x3eb/0x790 [ 7620.990813][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7620.990813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7620.990813][ T903] ip6_route_add+0x1c/0x140 [ 7620.990813][ T903] inet6_rtm_newroute+0x104/0x110 [ 7620.990813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.990813][ T903] netlink_rcv_skb+0x130/0x360 [ 7620.990813][ T903] netlink_unicast+0x449/0x710 [ 7620.990813][ T903] netlink_sendmsg+0x723/0xbe0 [ 7620.990813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7620.990813][ T903] ___sys_sendmsg+0xee/0x170 [ 7620.990813][ T903] __sys_sendmsg+0xcd/0x170 [ 7620.990813][ T903] do_syscall_64+0xc6/0x1e0 [ 7620.990813][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.990813][ T903] [ 7620.992906][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7620.992906][ T903] netdev_get_by_index+0x5e/0x80 [ 7620.992906][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7620.992906][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7620.992906][ T903] ip6_route_add+0x1c/0x140 [ 7620.992906][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7620.992906][ T903] inet6_addr_add+0x4f8/0xa40 [ 7620.992906][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.992906][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.992906][ T903] netlink_rcv_skb+0x130/0x360 [ 7620.992906][ T903] netlink_unicast+0x449/0x710 [ 7620.992906][ T903] netlink_sendmsg+0x723/0xbe0 [ 7620.992906][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7620.992906][ T903] ___sys_sendmsg+0xee/0x170 [ 7620.992906][ T903] __sys_sendmsg+0xcd/0x170 [ 7620.992906][ T903] do_syscall_64+0xc6/0x1e0 [ 7620.992906][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.992906][ T903] [ 7620.995102][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7620.995102][ T903] netdev_get_by_index+0x5e/0x80 [ 7620.995102][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7620.995102][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7620.995102][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7620.995102][ T903] ipv6_add_addr+0x411/0x2000 [ 7620.995102][ T903] inet6_addr_add+0x30e/0xa40 [ 7620.995102][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.995102][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.995102][ T903] netlink_rcv_skb+0x130/0x360 [ 7620.995102][ T903] netlink_unicast+0x449/0x710 [ 7620.995102][ T903] netlink_sendmsg+0x723/0xbe0 [ 7620.995102][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7620.995102][ T903] ___sys_sendmsg+0xee/0x170 [ 7620.995102][ T903] __sys_sendmsg+0xcd/0x170 [ 7620.995102][ T903] do_syscall_64+0xc6/0x1e0 [ 7620.995102][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.995102][ T903] [ 7620.997298][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7620.997298][ T903] netdev_get_by_index+0x5e/0x80 [ 7620.997298][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7620.997298][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7620.997298][ T903] ip6_route_add+0x1c/0x140 [ 7620.997298][ T903] addrconf_add_mroute+0x129/0x180 [ 7620.997298][ T903] addrconf_add_dev+0xe2/0x170 [ 7620.997298][ T903] inet6_addr_add+0x12f/0xa40 [ 7620.997298][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7620.997298][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.997298][ T903] netlink_rcv_skb+0x130/0x360 [ 7620.997298][ T903] netlink_unicast+0x449/0x710 [ 7620.997298][ T903] netlink_sendmsg+0x723/0xbe0 [ 7620.997298][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7620.997298][ T903] ___sys_sendmsg+0xee/0x170 [ 7620.997298][ T903] __sys_sendmsg+0xcd/0x170 [ 7620.997298][ T903] do_syscall_64+0xc6/0x1e0 [ 7620.997298][ T903] [ 7620.999481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7620.999481][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7620.999481][ T903] ipv6_find_idev+0x102/0x170 [ 7620.999481][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7620.999481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7620.999481][ T903] netlink_rcv_skb+0x130/0x360 [ 7620.999481][ T903] netlink_unicast+0x449/0x710 [ 7620.999481][ T903] netlink_sendmsg+0x723/0xbe0 [ 7620.999481][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7620.999481][ T903] ___sys_sendmsg+0xee/0x170 [ 7620.999481][ T903] __sys_sendmsg+0xcd/0x170 [ 7620.999481][ T903] do_syscall_64+0xc6/0x1e0 [ 7620.999481][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7620.999481][ T903] [ 7621.001183][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7621.001183][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7621.001183][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7621.001183][ T903] ipv6_find_idev+0x102/0x170 [ 7621.001183][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7621.001183][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7621.001183][ T903] netlink_rcv_skb+0x130/0x360 [ 7621.001183][ T903] netlink_unicast+0x449/0x710 [ 7621.001183][ T903] netlink_sendmsg+0x723/0xbe0 [ 7621.001183][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7621.001183][ T903] ___sys_sendmsg+0xee/0x170 [ 7621.001183][ T903] __sys_sendmsg+0xcd/0x170 [ 7621.001183][ T903] do_syscall_64+0xc6/0x1e0 [ 7621.001183][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7621.001183][ T903] [ 7631.245808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7631.246263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7631.246263][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7631.246263][ T903] ip6_validate_gw+0x3eb/0x790 [ 7631.246263][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7631.246263][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7631.246263][ T903] ip6_route_add+0x1c/0x140 [ 7631.246263][ T903] inet6_rtm_newroute+0x104/0x110 [ 7631.246263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.246263][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.246263][ T903] netlink_unicast+0x449/0x710 [ 7631.246263][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.246263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.246263][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.246263][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.246263][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.246263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.246263][ T903] [ 7631.248426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7631.248426][ T903] netdev_get_by_index+0x5e/0x80 [ 7631.248426][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7631.248426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7631.248426][ T903] ip6_route_add+0x1c/0x140 [ 7631.248426][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7631.248426][ T903] inet6_addr_add+0x4f8/0xa40 [ 7631.248426][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.248426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.248426][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.248426][ T903] netlink_unicast+0x449/0x710 [ 7631.248426][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.248426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.248426][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.248426][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.248426][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.248426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.248426][ T903] [ 7631.250674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7631.250674][ T903] netdev_get_by_index+0x5e/0x80 [ 7631.250674][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7631.250674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7631.250674][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7631.250674][ T903] ipv6_add_addr+0x411/0x2000 [ 7631.250674][ T903] inet6_addr_add+0x30e/0xa40 [ 7631.250674][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.250674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.250674][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.250674][ T903] netlink_unicast+0x449/0x710 [ 7631.250674][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.250674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.250674][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.250674][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.250674][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.250674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.250674][ T903] [ 7631.252924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7631.252924][ T903] netdev_get_by_index+0x5e/0x80 [ 7631.252924][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7631.252924][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7631.252924][ T903] ip6_route_add+0x1c/0x140 [ 7631.252924][ T903] addrconf_add_mroute+0x129/0x180 [ 7631.252924][ T903] addrconf_add_dev+0xe2/0x170 [ 7631.252924][ T903] inet6_addr_add+0x12f/0xa40 [ 7631.252924][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7631.252924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.252924][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.252924][ T903] netlink_unicast+0x449/0x710 [ 7631.252924][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.252924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.252924][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.252924][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.252924][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.252924][ T903] [ 7631.255140][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7631.255140][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7631.255140][ T903] ipv6_find_idev+0x102/0x170 [ 7631.255140][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7631.255140][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.255140][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.255140][ T903] netlink_unicast+0x449/0x710 [ 7631.255140][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.255140][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.255140][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.255140][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.255140][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.255140][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.255140][ T903] [ 7631.256870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7631.256870][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7631.256870][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7631.256870][ T903] ipv6_find_idev+0x102/0x170 [ 7631.256870][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7631.256870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7631.256870][ T903] netlink_rcv_skb+0x130/0x360 [ 7631.256870][ T903] netlink_unicast+0x449/0x710 [ 7631.256870][ T903] netlink_sendmsg+0x723/0xbe0 [ 7631.256870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7631.256870][ T903] ___sys_sendmsg+0xee/0x170 [ 7631.256870][ T903] __sys_sendmsg+0xcd/0x170 [ 7631.256870][ T903] do_syscall_64+0xc6/0x1e0 [ 7631.256870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7631.256870][ T903] [ 7641.357749][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7641.358270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7641.358270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7641.358270][ T903] ip6_validate_gw+0x3eb/0x790 [ 7641.358270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7641.358270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7641.358270][ T903] ip6_route_add+0x1c/0x140 [ 7641.358270][ T903] inet6_rtm_newroute+0x104/0x110 [ 7641.358270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.358270][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.358270][ T903] netlink_unicast+0x449/0x710 [ 7641.358270][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.358270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.358270][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.358270][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.358270][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.358270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.358270][ T903] [ 7641.360577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7641.360577][ T903] netdev_get_by_index+0x5e/0x80 [ 7641.360577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7641.360577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7641.360577][ T903] ip6_route_add+0x1c/0x140 [ 7641.360577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7641.360577][ T903] inet6_addr_add+0x4f8/0xa40 [ 7641.360577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.360577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.360577][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.360577][ T903] netlink_unicast+0x449/0x710 [ 7641.360577][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.360577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.360577][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.360577][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.360577][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.360577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.360577][ T903] [ 7641.362926][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7641.362926][ T903] netdev_get_by_index+0x5e/0x80 [ 7641.362926][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7641.362926][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7641.362926][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7641.362926][ T903] ipv6_add_addr+0x411/0x2000 [ 7641.362926][ T903] inet6_addr_add+0x30e/0xa40 [ 7641.362926][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.362926][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.362926][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.362926][ T903] netlink_unicast+0x449/0x710 [ 7641.362926][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.362926][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.362926][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.362926][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.362926][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.362926][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.362926][ T903] [ 7641.365173][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7641.365173][ T903] netdev_get_by_index+0x5e/0x80 [ 7641.365173][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7641.365173][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7641.365173][ T903] ip6_route_add+0x1c/0x140 [ 7641.365173][ T903] addrconf_add_mroute+0x129/0x180 [ 7641.365173][ T903] addrconf_add_dev+0xe2/0x170 [ 7641.365173][ T903] inet6_addr_add+0x12f/0xa40 [ 7641.365173][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7641.365173][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.365173][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.365173][ T903] netlink_unicast+0x449/0x710 [ 7641.365173][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.365173][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.365173][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.365173][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.365173][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.365173][ T903] [ 7641.367388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7641.367388][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7641.367388][ T903] ipv6_find_idev+0x102/0x170 [ 7641.367388][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7641.367388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.367388][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.367388][ T903] netlink_unicast+0x449/0x710 [ 7641.367388][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.367388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.367388][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.367388][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.367388][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.367388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.367388][ T903] [ 7641.369154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7641.369154][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7641.369154][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7641.369154][ T903] ipv6_find_idev+0x102/0x170 [ 7641.369154][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7641.369154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7641.369154][ T903] netlink_rcv_skb+0x130/0x360 [ 7641.369154][ T903] netlink_unicast+0x449/0x710 [ 7641.369154][ T903] netlink_sendmsg+0x723/0xbe0 [ 7641.369154][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7641.369154][ T903] ___sys_sendmsg+0xee/0x170 [ 7641.369154][ T903] __sys_sendmsg+0xcd/0x170 [ 7641.369154][ T903] do_syscall_64+0xc6/0x1e0 [ 7641.369154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7641.369154][ T903] [ 7651.613865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7651.614403][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7651.614403][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7651.614403][ T903] ip6_validate_gw+0x3eb/0x790 [ 7651.614403][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7651.614403][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7651.614403][ T903] ip6_route_add+0x1c/0x140 [ 7651.614403][ T903] inet6_rtm_newroute+0x104/0x110 [ 7651.614403][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.614403][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.614403][ T903] netlink_unicast+0x449/0x710 [ 7651.614403][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.614403][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.614403][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.614403][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.614403][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.614403][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.614403][ T903] [ 7651.616580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7651.616580][ T903] netdev_get_by_index+0x5e/0x80 [ 7651.616580][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7651.616580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7651.616580][ T903] ip6_route_add+0x1c/0x140 [ 7651.616580][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7651.616580][ T903] inet6_addr_add+0x4f8/0xa40 [ 7651.616580][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.616580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.616580][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.616580][ T903] netlink_unicast+0x449/0x710 [ 7651.616580][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.616580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.616580][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.616580][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.616580][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.616580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.616580][ T903] [ 7651.618849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7651.618849][ T903] netdev_get_by_index+0x5e/0x80 [ 7651.618849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7651.618849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7651.618849][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7651.618849][ T903] ipv6_add_addr+0x411/0x2000 [ 7651.618849][ T903] inet6_addr_add+0x30e/0xa40 [ 7651.618849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.618849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.618849][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.618849][ T903] netlink_unicast+0x449/0x710 [ 7651.618849][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.618849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.618849][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.618849][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.618849][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.618849][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.618849][ T903] [ 7651.621099][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7651.621099][ T903] netdev_get_by_index+0x5e/0x80 [ 7651.621099][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7651.621099][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7651.621099][ T903] ip6_route_add+0x1c/0x140 [ 7651.621099][ T903] addrconf_add_mroute+0x129/0x180 [ 7651.621099][ T903] addrconf_add_dev+0xe2/0x170 [ 7651.621099][ T903] inet6_addr_add+0x12f/0xa40 [ 7651.621099][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7651.621099][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.621099][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.621099][ T903] netlink_unicast+0x449/0x710 [ 7651.621099][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.621099][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.621099][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.621099][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.621099][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.621099][ T903] [ 7651.623248][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7651.623248][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7651.623248][ T903] ipv6_find_idev+0x102/0x170 [ 7651.623248][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7651.623248][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.623248][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.623248][ T903] netlink_unicast+0x449/0x710 [ 7651.623248][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.623248][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.623248][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.623248][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.623248][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.623248][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.623248][ T903] [ 7651.624992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7651.624992][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7651.624992][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7651.624992][ T903] ipv6_find_idev+0x102/0x170 [ 7651.624992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7651.624992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7651.624992][ T903] netlink_rcv_skb+0x130/0x360 [ 7651.624992][ T903] netlink_unicast+0x449/0x710 [ 7651.624992][ T903] netlink_sendmsg+0x723/0xbe0 [ 7651.624992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7651.624992][ T903] ___sys_sendmsg+0xee/0x170 [ 7651.624992][ T903] __sys_sendmsg+0xcd/0x170 [ 7651.624992][ T903] do_syscall_64+0xc6/0x1e0 [ 7651.624992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7651.624992][ T903] [ 7661.869875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7661.870923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7661.870923][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7661.870923][ T903] ip6_validate_gw+0x3eb/0x790 [ 7661.870923][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7661.870923][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7661.870923][ T903] ip6_route_add+0x1c/0x140 [ 7661.870923][ T903] inet6_rtm_newroute+0x104/0x110 [ 7661.870923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.870923][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.870923][ T903] netlink_unicast+0x449/0x710 [ 7661.870923][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.870923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.870923][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.870923][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.870923][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.870923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.870923][ T903] [ 7661.873036][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7661.873036][ T903] netdev_get_by_index+0x5e/0x80 [ 7661.873036][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7661.873036][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7661.873036][ T903] ip6_route_add+0x1c/0x140 [ 7661.873036][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7661.873036][ T903] inet6_addr_add+0x4f8/0xa40 [ 7661.873036][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.873036][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.873036][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.873036][ T903] netlink_unicast+0x449/0x710 [ 7661.873036][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.873036][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.873036][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.873036][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.873036][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.873036][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.873036][ T903] [ 7661.875380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7661.875380][ T903] netdev_get_by_index+0x5e/0x80 [ 7661.875380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7661.875380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7661.875380][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7661.875380][ T903] ipv6_add_addr+0x411/0x2000 [ 7661.875380][ T903] inet6_addr_add+0x30e/0xa40 [ 7661.875380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.875380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.875380][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.875380][ T903] netlink_unicast+0x449/0x710 [ 7661.875380][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.875380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.875380][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.875380][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.875380][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.875380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.875380][ T903] [ 7661.877666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7661.877666][ T903] netdev_get_by_index+0x5e/0x80 [ 7661.877666][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7661.877666][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7661.877666][ T903] ip6_route_add+0x1c/0x140 [ 7661.877666][ T903] addrconf_add_mroute+0x129/0x180 [ 7661.877666][ T903] addrconf_add_dev+0xe2/0x170 [ 7661.877666][ T903] inet6_addr_add+0x12f/0xa40 [ 7661.877666][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7661.877666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.877666][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.877666][ T903] netlink_unicast+0x449/0x710 [ 7661.877666][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.877666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.877666][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.877666][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.877666][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.877666][ T903] [ 7661.879859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7661.879859][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7661.879859][ T903] ipv6_find_idev+0x102/0x170 [ 7661.879859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7661.879859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.879859][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.879859][ T903] netlink_unicast+0x449/0x710 [ 7661.879859][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.879859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.879859][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.879859][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.879859][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.879859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.879859][ T903] [ 7661.881573][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7661.881573][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7661.881573][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7661.881573][ T903] ipv6_find_idev+0x102/0x170 [ 7661.881573][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7661.881573][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7661.881573][ T903] netlink_rcv_skb+0x130/0x360 [ 7661.881573][ T903] netlink_unicast+0x449/0x710 [ 7661.881573][ T903] netlink_sendmsg+0x723/0xbe0 [ 7661.881573][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7661.881573][ T903] ___sys_sendmsg+0xee/0x170 [ 7661.881573][ T903] __sys_sendmsg+0xcd/0x170 [ 7661.881573][ T903] do_syscall_64+0xc6/0x1e0 [ 7661.881573][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7661.881573][ T903] [ 7672.125814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7672.126329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7672.126329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7672.126329][ T903] ip6_validate_gw+0x3eb/0x790 [ 7672.126329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7672.126329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7672.126329][ T903] ip6_route_add+0x1c/0x140 [ 7672.126329][ T903] inet6_rtm_newroute+0x104/0x110 [ 7672.126329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.126329][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.126329][ T903] netlink_unicast+0x449/0x710 [ 7672.126329][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.126329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.126329][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.126329][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.126329][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.126329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.126329][ T903] [ 7672.128492][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7672.128492][ T903] netdev_get_by_index+0x5e/0x80 [ 7672.128492][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7672.128492][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7672.128492][ T903] ip6_route_add+0x1c/0x140 [ 7672.128492][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7672.128492][ T903] inet6_addr_add+0x4f8/0xa40 [ 7672.128492][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.128492][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.128492][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.128492][ T903] netlink_unicast+0x449/0x710 [ 7672.128492][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.128492][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.128492][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.128492][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.128492][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.128492][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.128492][ T903] [ 7672.130740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7672.130740][ T903] netdev_get_by_index+0x5e/0x80 [ 7672.130740][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7672.130740][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7672.130740][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7672.130740][ T903] ipv6_add_addr+0x411/0x2000 [ 7672.130740][ T903] inet6_addr_add+0x30e/0xa40 [ 7672.130740][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.130740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.130740][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.130740][ T903] netlink_unicast+0x449/0x710 [ 7672.130740][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.130740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.130740][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.130740][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.130740][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.130740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.130740][ T903] [ 7672.133041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7672.133041][ T903] netdev_get_by_index+0x5e/0x80 [ 7672.133041][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7672.133041][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7672.133041][ T903] ip6_route_add+0x1c/0x140 [ 7672.133041][ T903] addrconf_add_mroute+0x129/0x180 [ 7672.133041][ T903] addrconf_add_dev+0xe2/0x170 [ 7672.133041][ T903] inet6_addr_add+0x12f/0xa40 [ 7672.133041][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7672.133041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.133041][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.133041][ T903] netlink_unicast+0x449/0x710 [ 7672.133041][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.133041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.133041][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.133041][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.133041][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.133041][ T903] [ 7672.135187][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7672.135187][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7672.135187][ T903] ipv6_find_idev+0x102/0x170 [ 7672.135187][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7672.135187][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.135187][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.135187][ T903] netlink_unicast+0x449/0x710 [ 7672.135187][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.135187][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.135187][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.135187][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.135187][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.135187][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.135187][ T903] [ 7672.136881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7672.136881][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7672.136881][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7672.136881][ T903] ipv6_find_idev+0x102/0x170 [ 7672.136881][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7672.136881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7672.136881][ T903] netlink_rcv_skb+0x130/0x360 [ 7672.136881][ T903] netlink_unicast+0x449/0x710 [ 7672.136881][ T903] netlink_sendmsg+0x723/0xbe0 [ 7672.136881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7672.136881][ T903] ___sys_sendmsg+0xee/0x170 [ 7672.136881][ T903] __sys_sendmsg+0xcd/0x170 [ 7672.136881][ T903] do_syscall_64+0xc6/0x1e0 [ 7672.136881][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7672.136881][ T903] [ 7682.381958][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7682.382708][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7682.382708][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7682.382708][ T903] ip6_validate_gw+0x3eb/0x790 [ 7682.382708][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7682.382708][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7682.382708][ T903] ip6_route_add+0x1c/0x140 [ 7682.382708][ T903] inet6_rtm_newroute+0x104/0x110 [ 7682.382708][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.382708][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.382708][ T903] netlink_unicast+0x449/0x710 [ 7682.382708][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.382708][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.382708][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.382708][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.382708][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.382708][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.382708][ T903] [ 7682.384747][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7682.384747][ T903] netdev_get_by_index+0x5e/0x80 [ 7682.384747][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7682.384747][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7682.384747][ T903] ip6_route_add+0x1c/0x140 [ 7682.384747][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7682.384747][ T903] inet6_addr_add+0x4f8/0xa40 [ 7682.384747][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.384747][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.384747][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.384747][ T903] netlink_unicast+0x449/0x710 [ 7682.384747][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.384747][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.384747][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.384747][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.384747][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.384747][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.384747][ T903] [ 7682.386929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7682.386929][ T903] netdev_get_by_index+0x5e/0x80 [ 7682.386929][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7682.386929][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7682.386929][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7682.386929][ T903] ipv6_add_addr+0x411/0x2000 [ 7682.386929][ T903] inet6_addr_add+0x30e/0xa40 [ 7682.386929][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.386929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.386929][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.386929][ T903] netlink_unicast+0x449/0x710 [ 7682.386929][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.386929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.386929][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.386929][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.386929][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.386929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.386929][ T903] [ 7682.389090][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7682.389090][ T903] netdev_get_by_index+0x5e/0x80 [ 7682.389090][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7682.389090][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7682.389090][ T903] ip6_route_add+0x1c/0x140 [ 7682.389090][ T903] addrconf_add_mroute+0x129/0x180 [ 7682.389090][ T903] addrconf_add_dev+0xe2/0x170 [ 7682.389090][ T903] inet6_addr_add+0x12f/0xa40 [ 7682.389090][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7682.389090][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.389090][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.389090][ T903] netlink_unicast+0x449/0x710 [ 7682.389090][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.389090][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.389090][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.389090][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.389090][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.389090][ T903] [ 7682.391229][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7682.391229][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7682.391229][ T903] ipv6_find_idev+0x102/0x170 [ 7682.391229][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7682.391229][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.391229][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.391229][ T903] netlink_unicast+0x449/0x710 [ 7682.391229][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.391229][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.391229][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.391229][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.391229][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.391229][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.391229][ T903] [ 7682.392916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7682.392916][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7682.392916][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7682.392916][ T903] ipv6_find_idev+0x102/0x170 [ 7682.392916][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7682.392916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7682.392916][ T903] netlink_rcv_skb+0x130/0x360 [ 7682.392916][ T903] netlink_unicast+0x449/0x710 [ 7682.392916][ T903] netlink_sendmsg+0x723/0xbe0 [ 7682.392916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7682.392916][ T903] ___sys_sendmsg+0xee/0x170 [ 7682.392916][ T903] __sys_sendmsg+0xcd/0x170 [ 7682.392916][ T903] do_syscall_64+0xc6/0x1e0 [ 7682.392916][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7682.392916][ T903] [ 7692.637867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7692.638994][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7692.638994][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7692.638994][ T903] ip6_validate_gw+0x3eb/0x790 [ 7692.638994][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7692.638994][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7692.638994][ T903] ip6_route_add+0x1c/0x140 [ 7692.638994][ T903] inet6_rtm_newroute+0x104/0x110 [ 7692.638994][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.638994][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.638994][ T903] netlink_unicast+0x449/0x710 [ 7692.638994][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.638994][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.638994][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.638994][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.638994][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.638994][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.638994][ T903] [ 7692.641077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7692.641077][ T903] netdev_get_by_index+0x5e/0x80 [ 7692.641077][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7692.641077][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7692.641077][ T903] ip6_route_add+0x1c/0x140 [ 7692.641077][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7692.641077][ T903] inet6_addr_add+0x4f8/0xa40 [ 7692.641077][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.641077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.641077][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.641077][ T903] netlink_unicast+0x449/0x710 [ 7692.641077][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.641077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.641077][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.641077][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.641077][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.641077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.641077][ T903] [ 7692.643268][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7692.643268][ T903] netdev_get_by_index+0x5e/0x80 [ 7692.643268][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7692.643268][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7692.643268][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7692.643268][ T903] ipv6_add_addr+0x411/0x2000 [ 7692.643268][ T903] inet6_addr_add+0x30e/0xa40 [ 7692.643268][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.643268][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.643268][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.643268][ T903] netlink_unicast+0x449/0x710 [ 7692.643268][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.643268][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.643268][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.643268][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.643268][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.643268][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.643268][ T903] [ 7692.645451][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7692.645451][ T903] netdev_get_by_index+0x5e/0x80 [ 7692.645451][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7692.645451][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7692.645451][ T903] ip6_route_add+0x1c/0x140 [ 7692.645451][ T903] addrconf_add_mroute+0x129/0x180 [ 7692.645451][ T903] addrconf_add_dev+0xe2/0x170 [ 7692.645451][ T903] inet6_addr_add+0x12f/0xa40 [ 7692.645451][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7692.645451][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.645451][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.645451][ T903] netlink_unicast+0x449/0x710 [ 7692.645451][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.645451][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.645451][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.645451][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.645451][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.645451][ T903] [ 7692.647611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7692.647611][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7692.647611][ T903] ipv6_find_idev+0x102/0x170 [ 7692.647611][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7692.647611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.647611][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.647611][ T903] netlink_unicast+0x449/0x710 [ 7692.647611][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.647611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.647611][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.647611][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.647611][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.647611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.647611][ T903] [ 7692.649295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7692.649295][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7692.649295][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7692.649295][ T903] ipv6_find_idev+0x102/0x170 [ 7692.649295][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7692.649295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7692.649295][ T903] netlink_rcv_skb+0x130/0x360 [ 7692.649295][ T903] netlink_unicast+0x449/0x710 [ 7692.649295][ T903] netlink_sendmsg+0x723/0xbe0 [ 7692.649295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7692.649295][ T903] ___sys_sendmsg+0xee/0x170 [ 7692.649295][ T903] __sys_sendmsg+0xcd/0x170 [ 7692.649295][ T903] do_syscall_64+0xc6/0x1e0 [ 7692.649295][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7692.649295][ T903] [ 7702.893896][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7702.894363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7702.894363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7702.894363][ T903] ip6_validate_gw+0x3eb/0x790 [ 7702.894363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7702.894363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7702.894363][ T903] ip6_route_add+0x1c/0x140 [ 7702.894363][ T903] inet6_rtm_newroute+0x104/0x110 [ 7702.894363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.894363][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.894363][ T903] netlink_unicast+0x449/0x710 [ 7702.894363][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.894363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.894363][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.894363][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.894363][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.894363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.894363][ T903] [ 7702.896502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7702.896502][ T903] netdev_get_by_index+0x5e/0x80 [ 7702.896502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7702.896502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7702.896502][ T903] ip6_route_add+0x1c/0x140 [ 7702.896502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7702.896502][ T903] inet6_addr_add+0x4f8/0xa40 [ 7702.896502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.896502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.896502][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.896502][ T903] netlink_unicast+0x449/0x710 [ 7702.896502][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.896502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.896502][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.896502][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.896502][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.896502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.896502][ T903] [ 7702.898758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7702.898758][ T903] netdev_get_by_index+0x5e/0x80 [ 7702.898758][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7702.898758][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7702.898758][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7702.898758][ T903] ipv6_add_addr+0x411/0x2000 [ 7702.898758][ T903] inet6_addr_add+0x30e/0xa40 [ 7702.898758][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.898758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.898758][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.898758][ T903] netlink_unicast+0x449/0x710 [ 7702.898758][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.898758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.898758][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.898758][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.898758][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.898758][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.898758][ T903] [ 7702.901006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7702.901006][ T903] netdev_get_by_index+0x5e/0x80 [ 7702.901006][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7702.901006][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7702.901006][ T903] ip6_route_add+0x1c/0x140 [ 7702.901006][ T903] addrconf_add_mroute+0x129/0x180 [ 7702.901006][ T903] addrconf_add_dev+0xe2/0x170 [ 7702.901006][ T903] inet6_addr_add+0x12f/0xa40 [ 7702.901006][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7702.901006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.901006][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.901006][ T903] netlink_unicast+0x449/0x710 [ 7702.901006][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.901006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.901006][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.901006][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.901006][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.901006][ T903] [ 7702.903209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7702.903209][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7702.903209][ T903] ipv6_find_idev+0x102/0x170 [ 7702.903209][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7702.903209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.903209][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.903209][ T903] netlink_unicast+0x449/0x710 [ 7702.903209][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.903209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.903209][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.903209][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.903209][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.903209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.903209][ T903] [ 7702.904944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7702.904944][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7702.904944][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7702.904944][ T903] ipv6_find_idev+0x102/0x170 [ 7702.904944][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7702.904944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7702.904944][ T903] netlink_rcv_skb+0x130/0x360 [ 7702.904944][ T903] netlink_unicast+0x449/0x710 [ 7702.904944][ T903] netlink_sendmsg+0x723/0xbe0 [ 7702.904944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7702.904944][ T903] ___sys_sendmsg+0xee/0x170 [ 7702.904944][ T903] __sys_sendmsg+0xcd/0x170 [ 7702.904944][ T903] do_syscall_64+0xc6/0x1e0 [ 7702.904944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7702.904944][ T903] [ 7713.149867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7713.150875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7713.150875][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7713.150875][ T903] ip6_validate_gw+0x3eb/0x790 [ 7713.150875][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7713.150875][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7713.150875][ T903] ip6_route_add+0x1c/0x140 [ 7713.150875][ T903] inet6_rtm_newroute+0x104/0x110 [ 7713.150875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.150875][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.150875][ T903] netlink_unicast+0x449/0x710 [ 7713.150875][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.150875][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.150875][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.150875][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.150875][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.150875][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7713.150875][ T903] [ 7713.152975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7713.152975][ T903] netdev_get_by_index+0x5e/0x80 [ 7713.152975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7713.152975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7713.152975][ T903] ip6_route_add+0x1c/0x140 [ 7713.152975][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7713.152975][ T903] inet6_addr_add+0x4f8/0xa40 [ 7713.152975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7713.152975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.152975][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.152975][ T903] netlink_unicast+0x449/0x710 [ 7713.152975][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.152975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.152975][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.152975][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.152975][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.152975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7713.152975][ T903] [ 7713.155162][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7713.155162][ T903] netdev_get_by_index+0x5e/0x80 [ 7713.155162][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7713.155162][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7713.155162][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7713.155162][ T903] ipv6_add_addr+0x411/0x2000 [ 7713.155162][ T903] inet6_addr_add+0x30e/0xa40 [ 7713.155162][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7713.155162][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.155162][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.155162][ T903] netlink_unicast+0x449/0x710 [ 7713.155162][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.155162][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.155162][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.155162][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.155162][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.155162][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7713.155162][ T903] [ 7713.157367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7713.157367][ T903] netdev_get_by_index+0x5e/0x80 [ 7713.157367][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7713.157367][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7713.157367][ T903] ip6_route_add+0x1c/0x140 [ 7713.157367][ T903] addrconf_add_mroute+0x129/0x180 [ 7713.157367][ T903] addrconf_add_dev+0xe2/0x170 [ 7713.157367][ T903] inet6_addr_add+0x12f/0xa40 [ 7713.157367][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7713.157367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.157367][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.157367][ T903] netlink_unicast+0x449/0x710 [ 7713.157367][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.157367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.157367][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.157367][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.157367][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.157367][ T903] [ 7713.159570][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7713.159570][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7713.159570][ T903] ipv6_find_idev+0x102/0x170 [ 7713.159570][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7713.159570][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.159570][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.159570][ T903] netlink_unicast+0x449/0x710 [ 7713.159570][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.159570][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.159570][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.159570][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.159570][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.159570][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7713.159570][ T903] [ 7713.161258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7713.161258][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7713.161258][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7713.161258][ T903] ipv6_find_idev+0x102/0x170 [ 7713.161258][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7713.161258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7713.161258][ T903] netlink_rcv_skb+0x130/0x360 [ 7713.161258][ T903] netlink_unicast+0x449/0x710 [ 7713.161258][ T903] netlink_sendmsg+0x723/0xbe0 [ 7713.161258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7713.161258][ T903] ___sys_sendmsg+0xee/0x170 [ 7713.161258][ T903] __sys_sendmsg+0xcd/0x170 [ 7713.161258][ T903] do_syscall_64+0xc6/0x1e0 [ 7713.161258][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7713.161258][ T903] [ 7723.405864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7723.406963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7723.406963][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7723.406963][ T903] ip6_validate_gw+0x3eb/0x790 [ 7723.406963][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7723.406963][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7723.406963][ T903] ip6_route_add+0x1c/0x140 [ 7723.406963][ T903] inet6_rtm_newroute+0x104/0x110 [ 7723.406963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.406963][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.406963][ T903] netlink_unicast+0x449/0x710 [ 7723.406963][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.406963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.406963][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.406963][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.406963][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.406963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7723.406963][ T903] [ 7723.409106][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7723.409106][ T903] netdev_get_by_index+0x5e/0x80 [ 7723.409106][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7723.409106][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7723.409106][ T903] ip6_route_add+0x1c/0x140 [ 7723.409106][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7723.409106][ T903] inet6_addr_add+0x4f8/0xa40 [ 7723.409106][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7723.409106][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.409106][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.409106][ T903] netlink_unicast+0x449/0x710 [ 7723.409106][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.409106][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.409106][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.409106][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.409106][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.409106][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7723.409106][ T903] [ 7723.411357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7723.411357][ T903] netdev_get_by_index+0x5e/0x80 [ 7723.411357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7723.411357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7723.411357][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7723.411357][ T903] ipv6_add_addr+0x411/0x2000 [ 7723.411357][ T903] inet6_addr_add+0x30e/0xa40 [ 7723.411357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7723.411357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.411357][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.411357][ T903] netlink_unicast+0x449/0x710 [ 7723.411357][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.411357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.411357][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.411357][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.411357][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.411357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7723.411357][ T903] [ 7723.413615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7723.413615][ T903] netdev_get_by_index+0x5e/0x80 [ 7723.413615][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7723.413615][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7723.413615][ T903] ip6_route_add+0x1c/0x140 [ 7723.413615][ T903] addrconf_add_mroute+0x129/0x180 [ 7723.413615][ T903] addrconf_add_dev+0xe2/0x170 [ 7723.413615][ T903] inet6_addr_add+0x12f/0xa40 [ 7723.413615][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7723.413615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.413615][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.413615][ T903] netlink_unicast+0x449/0x710 [ 7723.413615][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.413615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.413615][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.413615][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.413615][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.413615][ T903] [ 7723.415768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7723.415768][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7723.415768][ T903] ipv6_find_idev+0x102/0x170 [ 7723.415768][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7723.415768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.415768][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.415768][ T903] netlink_unicast+0x449/0x710 [ 7723.415768][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.415768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.415768][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.415768][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.415768][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.415768][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7723.415768][ T903] [ 7723.417512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7723.417512][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7723.417512][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7723.417512][ T903] ipv6_find_idev+0x102/0x170 [ 7723.417512][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7723.417512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7723.417512][ T903] netlink_rcv_skb+0x130/0x360 [ 7723.417512][ T903] netlink_unicast+0x449/0x710 [ 7723.417512][ T903] netlink_sendmsg+0x723/0xbe0 [ 7723.417512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7723.417512][ T903] ___sys_sendmsg+0xee/0x170 [ 7723.417512][ T903] __sys_sendmsg+0xcd/0x170 [ 7723.417512][ T903] do_syscall_64+0xc6/0x1e0 [ 7723.417512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7723.417512][ T903] [ 7733.661854][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7733.662317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7733.662317][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7733.662317][ T903] ip6_validate_gw+0x3eb/0x790 [ 7733.662317][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7733.662317][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7733.662317][ T903] ip6_route_add+0x1c/0x140 [ 7733.662317][ T903] inet6_rtm_newroute+0x104/0x110 [ 7733.662317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.662317][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.662317][ T903] netlink_unicast+0x449/0x710 [ 7733.662317][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.662317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.662317][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.662317][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.662317][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.662317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7733.662317][ T903] [ 7733.664466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7733.664466][ T903] netdev_get_by_index+0x5e/0x80 [ 7733.664466][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7733.664466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7733.664466][ T903] ip6_route_add+0x1c/0x140 [ 7733.664466][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7733.664466][ T903] inet6_addr_add+0x4f8/0xa40 [ 7733.664466][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7733.664466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.664466][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.664466][ T903] netlink_unicast+0x449/0x710 [ 7733.664466][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.664466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.664466][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.664466][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.664466][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.664466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7733.664466][ T903] [ 7733.666759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7733.666759][ T903] netdev_get_by_index+0x5e/0x80 [ 7733.666759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7733.666759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7733.666759][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7733.666759][ T903] ipv6_add_addr+0x411/0x2000 [ 7733.666759][ T903] inet6_addr_add+0x30e/0xa40 [ 7733.666759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7733.666759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.666759][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.666759][ T903] netlink_unicast+0x449/0x710 [ 7733.666759][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.666759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.666759][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.666759][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.666759][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.666759][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7733.666759][ T903] [ 7733.669054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7733.669054][ T903] netdev_get_by_index+0x5e/0x80 [ 7733.669054][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7733.669054][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7733.669054][ T903] ip6_route_add+0x1c/0x140 [ 7733.669054][ T903] addrconf_add_mroute+0x129/0x180 [ 7733.669054][ T903] addrconf_add_dev+0xe2/0x170 [ 7733.669054][ T903] inet6_addr_add+0x12f/0xa40 [ 7733.669054][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7733.669054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.669054][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.669054][ T903] netlink_unicast+0x449/0x710 [ 7733.669054][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.669054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.669054][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.669054][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.669054][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.669054][ T903] [ 7733.671668][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7733.671668][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7733.671668][ T903] ipv6_find_idev+0x102/0x170 [ 7733.671668][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7733.671668][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.671668][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.671668][ T903] netlink_unicast+0x449/0x710 [ 7733.671668][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.671668][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.671668][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.671668][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.671668][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.671668][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7733.671668][ T903] [ 7733.673484][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7733.673484][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7733.673484][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7733.673484][ T903] ipv6_find_idev+0x102/0x170 [ 7733.673484][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7733.673484][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7733.673484][ T903] netlink_rcv_skb+0x130/0x360 [ 7733.673484][ T903] netlink_unicast+0x449/0x710 [ 7733.673484][ T903] netlink_sendmsg+0x723/0xbe0 [ 7733.673484][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7733.673484][ T903] ___sys_sendmsg+0xee/0x170 [ 7733.673484][ T903] __sys_sendmsg+0xcd/0x170 [ 7733.673484][ T903] do_syscall_64+0xc6/0x1e0 [ 7733.673484][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7733.673484][ T903] [ 7743.917866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7743.918665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7743.918665][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7743.918665][ T903] ip6_validate_gw+0x3eb/0x790 [ 7743.918665][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7743.918665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7743.918665][ T903] ip6_route_add+0x1c/0x140 [ 7743.918665][ T903] inet6_rtm_newroute+0x104/0x110 [ 7743.918665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.918665][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.918665][ T903] netlink_unicast+0x449/0x710 [ 7743.918665][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.918665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.918665][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.918665][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.918665][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.918665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7743.918665][ T903] [ 7743.920716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7743.920716][ T903] netdev_get_by_index+0x5e/0x80 [ 7743.920716][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7743.920716][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7743.920716][ T903] ip6_route_add+0x1c/0x140 [ 7743.920716][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7743.920716][ T903] inet6_addr_add+0x4f8/0xa40 [ 7743.920716][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7743.920716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.920716][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.920716][ T903] netlink_unicast+0x449/0x710 [ 7743.920716][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.920716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.920716][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.920716][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.920716][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.920716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7743.920716][ T903] [ 7743.923340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7743.923340][ T903] netdev_get_by_index+0x5e/0x80 [ 7743.923340][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7743.923340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7743.923340][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7743.923340][ T903] ipv6_add_addr+0x411/0x2000 [ 7743.923340][ T903] inet6_addr_add+0x30e/0xa40 [ 7743.923340][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7743.923340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.923340][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.923340][ T903] netlink_unicast+0x449/0x710 [ 7743.923340][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.923340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.923340][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.923340][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.923340][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.923340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7743.923340][ T903] [ 7743.925482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7743.925482][ T903] netdev_get_by_index+0x5e/0x80 [ 7743.925482][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7743.925482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7743.925482][ T903] ip6_route_add+0x1c/0x140 [ 7743.925482][ T903] addrconf_add_mroute+0x129/0x180 [ 7743.925482][ T903] addrconf_add_dev+0xe2/0x170 [ 7743.925482][ T903] inet6_addr_add+0x12f/0xa40 [ 7743.925482][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7743.925482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.925482][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.925482][ T903] netlink_unicast+0x449/0x710 [ 7743.925482][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.925482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.925482][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.925482][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.925482][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.925482][ T903] [ 7743.928025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7743.928025][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7743.928025][ T903] ipv6_find_idev+0x102/0x170 [ 7743.928025][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7743.928025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.928025][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.928025][ T903] netlink_unicast+0x449/0x710 [ 7743.928025][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.928025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.928025][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.928025][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.928025][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.928025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7743.928025][ T903] [ 7743.929686][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7743.929686][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7743.929686][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7743.929686][ T903] ipv6_find_idev+0x102/0x170 [ 7743.929686][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7743.929686][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7743.929686][ T903] netlink_rcv_skb+0x130/0x360 [ 7743.929686][ T903] netlink_unicast+0x449/0x710 [ 7743.929686][ T903] netlink_sendmsg+0x723/0xbe0 [ 7743.929686][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7743.929686][ T903] ___sys_sendmsg+0xee/0x170 [ 7743.929686][ T903] __sys_sendmsg+0xcd/0x170 [ 7743.929686][ T903] do_syscall_64+0xc6/0x1e0 [ 7743.929686][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7743.929686][ T903] [ 7754.173881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7754.174407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7754.174407][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7754.174407][ T903] ip6_validate_gw+0x3eb/0x790 [ 7754.174407][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7754.174407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7754.174407][ T903] ip6_route_add+0x1c/0x140 [ 7754.174407][ T903] inet6_rtm_newroute+0x104/0x110 [ 7754.174407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.174407][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.174407][ T903] netlink_unicast+0x449/0x710 [ 7754.174407][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.174407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.174407][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.174407][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.174407][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.174407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7754.174407][ T903] [ 7754.176444][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7754.176444][ T903] netdev_get_by_index+0x5e/0x80 [ 7754.176444][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7754.176444][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7754.176444][ T903] ip6_route_add+0x1c/0x140 [ 7754.176444][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7754.176444][ T903] inet6_addr_add+0x4f8/0xa40 [ 7754.176444][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7754.176444][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.176444][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.176444][ T903] netlink_unicast+0x449/0x710 [ 7754.176444][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.176444][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.176444][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.176444][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.176444][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.176444][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7754.176444][ T903] [ 7754.178600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7754.178600][ T903] netdev_get_by_index+0x5e/0x80 [ 7754.178600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7754.178600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7754.178600][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7754.178600][ T903] ipv6_add_addr+0x411/0x2000 [ 7754.178600][ T903] inet6_addr_add+0x30e/0xa40 [ 7754.178600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7754.178600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.178600][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.178600][ T903] netlink_unicast+0x449/0x710 [ 7754.178600][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.178600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.178600][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.178600][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.178600][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.178600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7754.178600][ T903] [ 7754.180779][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7754.180779][ T903] netdev_get_by_index+0x5e/0x80 [ 7754.180779][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7754.180779][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7754.180779][ T903] ip6_route_add+0x1c/0x140 [ 7754.180779][ T903] addrconf_add_mroute+0x129/0x180 [ 7754.180779][ T903] addrconf_add_dev+0xe2/0x170 [ 7754.180779][ T903] inet6_addr_add+0x12f/0xa40 [ 7754.180779][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7754.180779][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.180779][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.180779][ T903] netlink_unicast+0x449/0x710 [ 7754.180779][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.180779][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.180779][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.180779][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.180779][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.180779][ T903] [ 7754.182914][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7754.182914][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7754.182914][ T903] ipv6_find_idev+0x102/0x170 [ 7754.182914][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7754.182914][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.182914][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.182914][ T903] netlink_unicast+0x449/0x710 [ 7754.182914][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.182914][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.182914][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.182914][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.182914][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.182914][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7754.182914][ T903] [ 7754.184605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7754.184605][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7754.184605][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7754.184605][ T903] ipv6_find_idev+0x102/0x170 [ 7754.184605][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7754.184605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7754.184605][ T903] netlink_rcv_skb+0x130/0x360 [ 7754.184605][ T903] netlink_unicast+0x449/0x710 [ 7754.184605][ T903] netlink_sendmsg+0x723/0xbe0 [ 7754.184605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7754.184605][ T903] ___sys_sendmsg+0xee/0x170 [ 7754.184605][ T903] __sys_sendmsg+0xcd/0x170 [ 7754.184605][ T903] do_syscall_64+0xc6/0x1e0 [ 7754.184605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7754.184605][ T903] [ 7764.421805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7764.422301][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7764.422301][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7764.422301][ T903] ip6_validate_gw+0x3eb/0x790 [ 7764.422301][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7764.422301][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7764.422301][ T903] ip6_route_add+0x1c/0x140 [ 7764.422301][ T903] inet6_rtm_newroute+0x104/0x110 [ 7764.422301][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.422301][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.422301][ T903] netlink_unicast+0x449/0x710 [ 7764.422301][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.422301][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.422301][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.422301][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.422301][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.422301][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7764.422301][ T903] [ 7764.424391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7764.424391][ T903] netdev_get_by_index+0x5e/0x80 [ 7764.424391][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7764.424391][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7764.424391][ T903] ip6_route_add+0x1c/0x140 [ 7764.424391][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7764.424391][ T903] inet6_addr_add+0x4f8/0xa40 [ 7764.424391][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7764.424391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.424391][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.424391][ T903] netlink_unicast+0x449/0x710 [ 7764.424391][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.424391][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.424391][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.424391][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.424391][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.424391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7764.424391][ T903] [ 7764.426598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7764.426598][ T903] netdev_get_by_index+0x5e/0x80 [ 7764.426598][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7764.426598][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7764.426598][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7764.426598][ T903] ipv6_add_addr+0x411/0x2000 [ 7764.426598][ T903] inet6_addr_add+0x30e/0xa40 [ 7764.426598][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7764.426598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.426598][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.426598][ T903] netlink_unicast+0x449/0x710 [ 7764.426598][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.426598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.426598][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.426598][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.426598][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.426598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7764.426598][ T903] [ 7764.428783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7764.428783][ T903] netdev_get_by_index+0x5e/0x80 [ 7764.428783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7764.428783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7764.428783][ T903] ip6_route_add+0x1c/0x140 [ 7764.428783][ T903] addrconf_add_mroute+0x129/0x180 [ 7764.428783][ T903] addrconf_add_dev+0xe2/0x170 [ 7764.428783][ T903] inet6_addr_add+0x12f/0xa40 [ 7764.428783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7764.428783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.428783][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.428783][ T903] netlink_unicast+0x449/0x710 [ 7764.428783][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.428783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.428783][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.428783][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.428783][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.428783][ T903] [ 7764.430932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7764.430932][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7764.430932][ T903] ipv6_find_idev+0x102/0x170 [ 7764.430932][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7764.430932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.430932][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.430932][ T903] netlink_unicast+0x449/0x710 [ 7764.430932][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.430932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.430932][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.430932][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.430932][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.430932][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7764.430932][ T903] [ 7764.432616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7764.432616][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7764.432616][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7764.432616][ T903] ipv6_find_idev+0x102/0x170 [ 7764.432616][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7764.432616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7764.432616][ T903] netlink_rcv_skb+0x130/0x360 [ 7764.432616][ T903] netlink_unicast+0x449/0x710 [ 7764.432616][ T903] netlink_sendmsg+0x723/0xbe0 [ 7764.432616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7764.432616][ T903] ___sys_sendmsg+0xee/0x170 [ 7764.432616][ T903] __sys_sendmsg+0xcd/0x170 [ 7764.432616][ T903] do_syscall_64+0xc6/0x1e0 [ 7764.432616][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7764.432616][ T903] [ 7774.669803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7774.670350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7774.670350][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7774.670350][ T903] ip6_validate_gw+0x3eb/0x790 [ 7774.670350][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7774.670350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7774.670350][ T903] ip6_route_add+0x1c/0x140 [ 7774.670350][ T903] inet6_rtm_newroute+0x104/0x110 [ 7774.670350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.670350][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.670350][ T903] netlink_unicast+0x449/0x710 [ 7774.670350][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.670350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.670350][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.670350][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.670350][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.670350][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7774.670350][ T903] [ 7774.672461][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7774.672461][ T903] netdev_get_by_index+0x5e/0x80 [ 7774.672461][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7774.672461][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7774.672461][ T903] ip6_route_add+0x1c/0x140 [ 7774.672461][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7774.672461][ T903] inet6_addr_add+0x4f8/0xa40 [ 7774.672461][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7774.672461][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.672461][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.672461][ T903] netlink_unicast+0x449/0x710 [ 7774.672461][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.672461][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.672461][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.672461][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.672461][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.672461][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7774.672461][ T903] [ 7774.674651][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7774.674651][ T903] netdev_get_by_index+0x5e/0x80 [ 7774.674651][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7774.674651][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7774.674651][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7774.674651][ T903] ipv6_add_addr+0x411/0x2000 [ 7774.674651][ T903] inet6_addr_add+0x30e/0xa40 [ 7774.674651][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7774.674651][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.674651][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.674651][ T903] netlink_unicast+0x449/0x710 [ 7774.674651][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.674651][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.674651][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.674651][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.674651][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.674651][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7774.674651][ T903] [ 7774.676854][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7774.676854][ T903] netdev_get_by_index+0x5e/0x80 [ 7774.676854][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7774.676854][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7774.676854][ T903] ip6_route_add+0x1c/0x140 [ 7774.676854][ T903] addrconf_add_mroute+0x129/0x180 [ 7774.676854][ T903] addrconf_add_dev+0xe2/0x170 [ 7774.676854][ T903] inet6_addr_add+0x12f/0xa40 [ 7774.676854][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7774.676854][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.676854][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.676854][ T903] netlink_unicast+0x449/0x710 [ 7774.676854][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.676854][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.676854][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.676854][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.676854][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.676854][ T903] [ 7774.679000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7774.679000][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7774.679000][ T903] ipv6_find_idev+0x102/0x170 [ 7774.679000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7774.679000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.679000][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.679000][ T903] netlink_unicast+0x449/0x710 [ 7774.679000][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.679000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.679000][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.679000][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.679000][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.679000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7774.679000][ T903] [ 7774.680685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7774.680685][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7774.680685][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7774.680685][ T903] ipv6_find_idev+0x102/0x170 [ 7774.680685][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7774.680685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7774.680685][ T903] netlink_rcv_skb+0x130/0x360 [ 7774.680685][ T903] netlink_unicast+0x449/0x710 [ 7774.680685][ T903] netlink_sendmsg+0x723/0xbe0 [ 7774.680685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7774.680685][ T903] ___sys_sendmsg+0xee/0x170 [ 7774.680685][ T903] __sys_sendmsg+0xcd/0x170 [ 7774.680685][ T903] do_syscall_64+0xc6/0x1e0 [ 7774.680685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7774.680685][ T903] [ 7784.869831][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7784.870343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7784.870343][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7784.870343][ T903] ip6_validate_gw+0x3eb/0x790 [ 7784.870343][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7784.870343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7784.870343][ T903] ip6_route_add+0x1c/0x140 [ 7784.870343][ T903] inet6_rtm_newroute+0x104/0x110 [ 7784.870343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.870343][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.870343][ T903] netlink_unicast+0x449/0x710 [ 7784.870343][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.870343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.870343][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.870343][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.870343][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.870343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7784.870343][ T903] [ 7784.872463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7784.872463][ T903] netdev_get_by_index+0x5e/0x80 [ 7784.872463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7784.872463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7784.872463][ T903] ip6_route_add+0x1c/0x140 [ 7784.872463][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7784.872463][ T903] inet6_addr_add+0x4f8/0xa40 [ 7784.872463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7784.872463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.872463][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.872463][ T903] netlink_unicast+0x449/0x710 [ 7784.872463][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.872463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.872463][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.872463][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.872463][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.872463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7784.872463][ T903] [ 7784.874701][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7784.874701][ T903] netdev_get_by_index+0x5e/0x80 [ 7784.874701][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7784.874701][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7784.874701][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7784.874701][ T903] ipv6_add_addr+0x411/0x2000 [ 7784.874701][ T903] inet6_addr_add+0x30e/0xa40 [ 7784.874701][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7784.874701][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.874701][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.874701][ T903] netlink_unicast+0x449/0x710 [ 7784.874701][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.874701][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.874701][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.874701][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.874701][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.874701][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7784.874701][ T903] [ 7784.876952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7784.876952][ T903] netdev_get_by_index+0x5e/0x80 [ 7784.876952][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7784.876952][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7784.876952][ T903] ip6_route_add+0x1c/0x140 [ 7784.876952][ T903] addrconf_add_mroute+0x129/0x180 [ 7784.876952][ T903] addrconf_add_dev+0xe2/0x170 [ 7784.876952][ T903] inet6_addr_add+0x12f/0xa40 [ 7784.876952][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7784.876952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.876952][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.876952][ T903] netlink_unicast+0x449/0x710 [ 7784.876952][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.876952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.876952][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.876952][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.876952][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.876952][ T903] [ 7784.879179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7784.879179][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7784.879179][ T903] ipv6_find_idev+0x102/0x170 [ 7784.879179][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7784.879179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.879179][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.879179][ T903] netlink_unicast+0x449/0x710 [ 7784.879179][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.879179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.879179][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.879179][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.879179][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.879179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7784.879179][ T903] [ 7784.880893][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7784.880893][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7784.880893][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7784.880893][ T903] ipv6_find_idev+0x102/0x170 [ 7784.880893][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7784.880893][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7784.880893][ T903] netlink_rcv_skb+0x130/0x360 [ 7784.880893][ T903] netlink_unicast+0x449/0x710 [ 7784.880893][ T903] netlink_sendmsg+0x723/0xbe0 [ 7784.880893][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7784.880893][ T903] ___sys_sendmsg+0xee/0x170 [ 7784.880893][ T903] __sys_sendmsg+0xcd/0x170 [ 7784.880893][ T903] do_syscall_64+0xc6/0x1e0 [ 7784.880893][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7784.880893][ T903] [ 7795.333926][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7795.334468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7795.334468][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7795.334468][ T903] ip6_validate_gw+0x3eb/0x790 [ 7795.334468][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7795.334468][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7795.334468][ T903] ip6_route_add+0x1c/0x140 [ 7795.334468][ T903] inet6_rtm_newroute+0x104/0x110 [ 7795.334468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.334468][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.334468][ T903] netlink_unicast+0x449/0x710 [ 7795.334468][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.334468][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.334468][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.334468][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.334468][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.334468][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7795.334468][ T903] [ 7795.336600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7795.336600][ T903] netdev_get_by_index+0x5e/0x80 [ 7795.336600][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7795.336600][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7795.336600][ T903] ip6_route_add+0x1c/0x140 [ 7795.336600][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7795.336600][ T903] inet6_addr_add+0x4f8/0xa40 [ 7795.336600][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7795.336600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.336600][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.336600][ T903] netlink_unicast+0x449/0x710 [ 7795.336600][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.336600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.336600][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.336600][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.336600][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.336600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7795.336600][ T903] [ 7795.338837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7795.338837][ T903] netdev_get_by_index+0x5e/0x80 [ 7795.338837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7795.338837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7795.338837][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7795.338837][ T903] ipv6_add_addr+0x411/0x2000 [ 7795.338837][ T903] inet6_addr_add+0x30e/0xa40 [ 7795.338837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7795.338837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.338837][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.338837][ T903] netlink_unicast+0x449/0x710 [ 7795.338837][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.338837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.338837][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.338837][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.338837][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.338837][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7795.338837][ T903] [ 7795.341077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7795.341077][ T903] netdev_get_by_index+0x5e/0x80 [ 7795.341077][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7795.341077][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7795.341077][ T903] ip6_route_add+0x1c/0x140 [ 7795.341077][ T903] addrconf_add_mroute+0x129/0x180 [ 7795.341077][ T903] addrconf_add_dev+0xe2/0x170 [ 7795.341077][ T903] inet6_addr_add+0x12f/0xa40 [ 7795.341077][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7795.341077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.341077][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.341077][ T903] netlink_unicast+0x449/0x710 [ 7795.341077][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.341077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.341077][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.341077][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.341077][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.341077][ T903] [ 7795.344608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7795.344608][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7795.344608][ T903] ipv6_find_idev+0x102/0x170 [ 7795.344608][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7795.344608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.344608][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.344608][ T903] netlink_unicast+0x449/0x710 [ 7795.344608][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.344608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.344608][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.344608][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.344608][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.344608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7795.344608][ T903] [ 7795.347005][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7795.347005][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7795.347005][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7795.347005][ T903] ipv6_find_idev+0x102/0x170 [ 7795.347005][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7795.347005][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7795.347005][ T903] netlink_rcv_skb+0x130/0x360 [ 7795.347005][ T903] netlink_unicast+0x449/0x710 [ 7795.347005][ T903] netlink_sendmsg+0x723/0xbe0 [ 7795.347005][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7795.347005][ T903] ___sys_sendmsg+0xee/0x170 [ 7795.347005][ T903] __sys_sendmsg+0xcd/0x170 [ 7795.347005][ T903] do_syscall_64+0xc6/0x1e0 [ 7795.347005][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7795.347005][ T903] [ 7805.589804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7805.590348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7805.590348][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7805.590348][ T903] ip6_validate_gw+0x3eb/0x790 [ 7805.590348][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7805.590348][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7805.590348][ T903] ip6_route_add+0x1c/0x140 [ 7805.590348][ T903] inet6_rtm_newroute+0x104/0x110 [ 7805.590348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.590348][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.590348][ T903] netlink_unicast+0x449/0x710 [ 7805.590348][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.590348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.590348][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.590348][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.590348][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.590348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7805.590348][ T903] [ 7805.592474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7805.592474][ T903] netdev_get_by_index+0x5e/0x80 [ 7805.592474][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7805.592474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7805.592474][ T903] ip6_route_add+0x1c/0x140 [ 7805.592474][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7805.592474][ T903] inet6_addr_add+0x4f8/0xa40 [ 7805.592474][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7805.592474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.592474][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.592474][ T903] netlink_unicast+0x449/0x710 [ 7805.592474][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.592474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.592474][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.592474][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.592474][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.592474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7805.592474][ T903] [ 7805.594714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7805.594714][ T903] netdev_get_by_index+0x5e/0x80 [ 7805.594714][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7805.594714][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7805.594714][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7805.594714][ T903] ipv6_add_addr+0x411/0x2000 [ 7805.594714][ T903] inet6_addr_add+0x30e/0xa40 [ 7805.594714][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7805.594714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.594714][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.594714][ T903] netlink_unicast+0x449/0x710 [ 7805.594714][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.594714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.594714][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.594714][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.594714][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.594714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7805.594714][ T903] [ 7805.596944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7805.596944][ T903] netdev_get_by_index+0x5e/0x80 [ 7805.596944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7805.596944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7805.596944][ T903] ip6_route_add+0x1c/0x140 [ 7805.596944][ T903] addrconf_add_mroute+0x129/0x180 [ 7805.596944][ T903] addrconf_add_dev+0xe2/0x170 [ 7805.596944][ T903] inet6_addr_add+0x12f/0xa40 [ 7805.596944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7805.596944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.596944][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.596944][ T903] netlink_unicast+0x449/0x710 [ 7805.596944][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.596944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.596944][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.596944][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.596944][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.596944][ T903] [ 7805.599137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7805.599137][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7805.599137][ T903] ipv6_find_idev+0x102/0x170 [ 7805.599137][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7805.599137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.599137][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.599137][ T903] netlink_unicast+0x449/0x710 [ 7805.599137][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.599137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.599137][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.599137][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.599137][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.599137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7805.599137][ T903] [ 7805.600843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7805.600843][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7805.600843][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7805.600843][ T903] ipv6_find_idev+0x102/0x170 [ 7805.600843][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7805.600843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7805.600843][ T903] netlink_rcv_skb+0x130/0x360 [ 7805.600843][ T903] netlink_unicast+0x449/0x710 [ 7805.600843][ T903] netlink_sendmsg+0x723/0xbe0 [ 7805.600843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7805.600843][ T903] ___sys_sendmsg+0xee/0x170 [ 7805.600843][ T903] __sys_sendmsg+0xcd/0x170 [ 7805.600843][ T903] do_syscall_64+0xc6/0x1e0 [ 7805.600843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7805.600843][ T903] [ 7815.725851][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7815.726361][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7815.726361][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7815.726361][ T903] ip6_validate_gw+0x3eb/0x790 [ 7815.726361][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7815.726361][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7815.726361][ T903] ip6_route_add+0x1c/0x140 [ 7815.726361][ T903] inet6_rtm_newroute+0x104/0x110 [ 7815.726361][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.726361][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.726361][ T903] netlink_unicast+0x449/0x710 [ 7815.726361][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.726361][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.726361][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.726361][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.726361][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.726361][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7815.726361][ T903] [ 7815.728449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7815.728449][ T903] netdev_get_by_index+0x5e/0x80 [ 7815.728449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7815.728449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7815.728449][ T903] ip6_route_add+0x1c/0x140 [ 7815.728449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7815.728449][ T903] inet6_addr_add+0x4f8/0xa40 [ 7815.728449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7815.728449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.728449][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.728449][ T903] netlink_unicast+0x449/0x710 [ 7815.728449][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.728449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.728449][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.728449][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.728449][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.728449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7815.728449][ T903] [ 7815.730655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7815.730655][ T903] netdev_get_by_index+0x5e/0x80 [ 7815.730655][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7815.730655][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7815.730655][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7815.730655][ T903] ipv6_add_addr+0x411/0x2000 [ 7815.730655][ T903] inet6_addr_add+0x30e/0xa40 [ 7815.730655][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7815.730655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.730655][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.730655][ T903] netlink_unicast+0x449/0x710 [ 7815.730655][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.730655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.730655][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.730655][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.730655][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.730655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7815.730655][ T903] [ 7815.732850][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7815.732850][ T903] netdev_get_by_index+0x5e/0x80 [ 7815.732850][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7815.732850][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7815.732850][ T903] ip6_route_add+0x1c/0x140 [ 7815.732850][ T903] addrconf_add_mroute+0x129/0x180 [ 7815.732850][ T903] addrconf_add_dev+0xe2/0x170 [ 7815.732850][ T903] inet6_addr_add+0x12f/0xa40 [ 7815.732850][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7815.732850][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.732850][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.732850][ T903] netlink_unicast+0x449/0x710 [ 7815.732850][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.732850][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.732850][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.732850][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.732850][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.732850][ T903] [ 7815.735001][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7815.735001][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7815.735001][ T903] ipv6_find_idev+0x102/0x170 [ 7815.735001][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7815.735001][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.735001][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.735001][ T903] netlink_unicast+0x449/0x710 [ 7815.735001][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.735001][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.735001][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.735001][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.735001][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.735001][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7815.735001][ T903] [ 7815.737194][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7815.737194][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7815.737194][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7815.737194][ T903] ipv6_find_idev+0x102/0x170 [ 7815.737194][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7815.737194][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7815.737194][ T903] netlink_rcv_skb+0x130/0x360 [ 7815.737194][ T903] netlink_unicast+0x449/0x710 [ 7815.737194][ T903] netlink_sendmsg+0x723/0xbe0 [ 7815.737194][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7815.737194][ T903] ___sys_sendmsg+0xee/0x170 [ 7815.737194][ T903] __sys_sendmsg+0xcd/0x170 [ 7815.737194][ T903] do_syscall_64+0xc6/0x1e0 [ 7815.737194][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7815.737194][ T903] [ 7825.981812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7825.982313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7825.982313][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7825.982313][ T903] ip6_validate_gw+0x3eb/0x790 [ 7825.982313][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7825.982313][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7825.982313][ T903] ip6_route_add+0x1c/0x140 [ 7825.982313][ T903] inet6_rtm_newroute+0x104/0x110 [ 7825.982313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.982313][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.982313][ T903] netlink_unicast+0x449/0x710 [ 7825.982313][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.982313][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.982313][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.982313][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.982313][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.982313][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7825.982313][ T903] [ 7825.984404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7825.984404][ T903] netdev_get_by_index+0x5e/0x80 [ 7825.984404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7825.984404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7825.984404][ T903] ip6_route_add+0x1c/0x140 [ 7825.984404][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7825.984404][ T903] inet6_addr_add+0x4f8/0xa40 [ 7825.984404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7825.984404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.984404][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.984404][ T903] netlink_unicast+0x449/0x710 [ 7825.984404][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.984404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.984404][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.984404][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.984404][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.984404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7825.984404][ T903] [ 7825.986619][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7825.986619][ T903] netdev_get_by_index+0x5e/0x80 [ 7825.986619][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7825.986619][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7825.986619][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7825.986619][ T903] ipv6_add_addr+0x411/0x2000 [ 7825.986619][ T903] inet6_addr_add+0x30e/0xa40 [ 7825.986619][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7825.986619][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.986619][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.986619][ T903] netlink_unicast+0x449/0x710 [ 7825.986619][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.986619][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.986619][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.986619][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.986619][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.986619][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7825.986619][ T903] [ 7825.988816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7825.988816][ T903] netdev_get_by_index+0x5e/0x80 [ 7825.988816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7825.988816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7825.988816][ T903] ip6_route_add+0x1c/0x140 [ 7825.988816][ T903] addrconf_add_mroute+0x129/0x180 [ 7825.988816][ T903] addrconf_add_dev+0xe2/0x170 [ 7825.988816][ T903] inet6_addr_add+0x12f/0xa40 [ 7825.988816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7825.988816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.988816][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.988816][ T903] netlink_unicast+0x449/0x710 [ 7825.988816][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.988816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.988816][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.988816][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.988816][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.988816][ T903] [ 7825.990974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7825.990974][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7825.990974][ T903] ipv6_find_idev+0x102/0x170 [ 7825.990974][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7825.990974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.990974][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.990974][ T903] netlink_unicast+0x449/0x710 [ 7825.990974][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.990974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.990974][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.990974][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.990974][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.990974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7825.990974][ T903] [ 7825.992661][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7825.992661][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7825.992661][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7825.992661][ T903] ipv6_find_idev+0x102/0x170 [ 7825.992661][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7825.992661][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7825.992661][ T903] netlink_rcv_skb+0x130/0x360 [ 7825.992661][ T903] netlink_unicast+0x449/0x710 [ 7825.992661][ T903] netlink_sendmsg+0x723/0xbe0 [ 7825.992661][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7825.992661][ T903] ___sys_sendmsg+0xee/0x170 [ 7825.992661][ T903] __sys_sendmsg+0xcd/0x170 [ 7825.992661][ T903] do_syscall_64+0xc6/0x1e0 [ 7825.992661][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7825.992661][ T903] [ 7836.229804][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7836.230307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7836.230307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7836.230307][ T903] ip6_validate_gw+0x3eb/0x790 [ 7836.230307][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7836.230307][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7836.230307][ T903] ip6_route_add+0x1c/0x140 [ 7836.230307][ T903] inet6_rtm_newroute+0x104/0x110 [ 7836.230307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.230307][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.230307][ T903] netlink_unicast+0x449/0x710 [ 7836.230307][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.230307][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.230307][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.230307][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.230307][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.230307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7836.230307][ T903] [ 7836.232394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7836.232394][ T903] netdev_get_by_index+0x5e/0x80 [ 7836.232394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7836.232394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7836.232394][ T903] ip6_route_add+0x1c/0x140 [ 7836.232394][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7836.232394][ T903] inet6_addr_add+0x4f8/0xa40 [ 7836.232394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7836.232394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.232394][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.232394][ T903] netlink_unicast+0x449/0x710 [ 7836.232394][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.232394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.232394][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.232394][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.232394][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.232394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7836.232394][ T903] [ 7836.234584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7836.234584][ T903] netdev_get_by_index+0x5e/0x80 [ 7836.234584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7836.234584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7836.234584][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7836.234584][ T903] ipv6_add_addr+0x411/0x2000 [ 7836.234584][ T903] inet6_addr_add+0x30e/0xa40 [ 7836.234584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7836.234584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.234584][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.234584][ T903] netlink_unicast+0x449/0x710 [ 7836.234584][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.234584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.234584][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.234584][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.234584][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.234584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7836.234584][ T903] [ 7836.236775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7836.236775][ T903] netdev_get_by_index+0x5e/0x80 [ 7836.236775][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7836.236775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7836.236775][ T903] ip6_route_add+0x1c/0x140 [ 7836.236775][ T903] addrconf_add_mroute+0x129/0x180 [ 7836.236775][ T903] addrconf_add_dev+0xe2/0x170 [ 7836.236775][ T903] inet6_addr_add+0x12f/0xa40 [ 7836.236775][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7836.236775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.236775][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.236775][ T903] netlink_unicast+0x449/0x710 [ 7836.236775][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.236775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.236775][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.236775][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.236775][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.236775][ T903] [ 7836.238941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7836.238941][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7836.238941][ T903] ipv6_find_idev+0x102/0x170 [ 7836.238941][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7836.238941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.238941][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.238941][ T903] netlink_unicast+0x449/0x710 [ 7836.238941][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.238941][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.238941][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.238941][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.238941][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.238941][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7836.238941][ T903] [ 7836.240635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7836.240635][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7836.240635][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7836.240635][ T903] ipv6_find_idev+0x102/0x170 [ 7836.240635][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7836.240635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7836.240635][ T903] netlink_rcv_skb+0x130/0x360 [ 7836.240635][ T903] netlink_unicast+0x449/0x710 [ 7836.240635][ T903] netlink_sendmsg+0x723/0xbe0 [ 7836.240635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7836.240635][ T903] ___sys_sendmsg+0xee/0x170 [ 7836.240635][ T903] __sys_sendmsg+0xcd/0x170 [ 7836.240635][ T903] do_syscall_64+0xc6/0x1e0 [ 7836.240635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7836.240635][ T903] [ 7846.477812][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7846.478263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7846.478263][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7846.478263][ T903] ip6_validate_gw+0x3eb/0x790 [ 7846.478263][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7846.478263][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7846.478263][ T903] ip6_route_add+0x1c/0x140 [ 7846.478263][ T903] inet6_rtm_newroute+0x104/0x110 [ 7846.478263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.478263][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.478263][ T903] netlink_unicast+0x449/0x710 [ 7846.478263][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.478263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.478263][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.478263][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.478263][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.478263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7846.478263][ T903] [ 7846.480474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7846.480474][ T903] netdev_get_by_index+0x5e/0x80 [ 7846.480474][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7846.480474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7846.480474][ T903] ip6_route_add+0x1c/0x140 [ 7846.480474][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7846.480474][ T903] inet6_addr_add+0x4f8/0xa40 [ 7846.480474][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7846.480474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.480474][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.480474][ T903] netlink_unicast+0x449/0x710 [ 7846.480474][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.480474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.480474][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.480474][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.480474][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.480474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7846.480474][ T903] [ 7846.482690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7846.482690][ T903] netdev_get_by_index+0x5e/0x80 [ 7846.482690][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7846.482690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7846.482690][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7846.482690][ T903] ipv6_add_addr+0x411/0x2000 [ 7846.482690][ T903] inet6_addr_add+0x30e/0xa40 [ 7846.482690][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7846.482690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.482690][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.482690][ T903] netlink_unicast+0x449/0x710 [ 7846.482690][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.482690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.482690][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.482690][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.482690][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.482690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7846.482690][ T903] [ 7846.484900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7846.484900][ T903] netdev_get_by_index+0x5e/0x80 [ 7846.484900][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7846.484900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7846.484900][ T903] ip6_route_add+0x1c/0x140 [ 7846.484900][ T903] addrconf_add_mroute+0x129/0x180 [ 7846.484900][ T903] addrconf_add_dev+0xe2/0x170 [ 7846.484900][ T903] inet6_addr_add+0x12f/0xa40 [ 7846.484900][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7846.484900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.484900][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.484900][ T903] netlink_unicast+0x449/0x710 [ 7846.484900][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.484900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.484900][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.484900][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.484900][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.484900][ T903] [ 7846.487113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7846.487113][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7846.487113][ T903] ipv6_find_idev+0x102/0x170 [ 7846.487113][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7846.487113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.487113][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.487113][ T903] netlink_unicast+0x449/0x710 [ 7846.487113][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.487113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.487113][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.487113][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.487113][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.487113][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7846.487113][ T903] [ 7846.488814][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7846.488814][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7846.488814][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7846.488814][ T903] ipv6_find_idev+0x102/0x170 [ 7846.488814][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7846.488814][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7846.488814][ T903] netlink_rcv_skb+0x130/0x360 [ 7846.488814][ T903] netlink_unicast+0x449/0x710 [ 7846.488814][ T903] netlink_sendmsg+0x723/0xbe0 [ 7846.488814][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7846.488814][ T903] ___sys_sendmsg+0xee/0x170 [ 7846.488814][ T903] __sys_sendmsg+0xcd/0x170 [ 7846.488814][ T903] do_syscall_64+0xc6/0x1e0 [ 7846.488814][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7846.488814][ T903] [ 7856.733917][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7856.734347][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7856.734347][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7856.734347][ T903] ip6_validate_gw+0x3eb/0x790 [ 7856.734347][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7856.734347][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7856.734347][ T903] ip6_route_add+0x1c/0x140 [ 7856.734347][ T903] inet6_rtm_newroute+0x104/0x110 [ 7856.734347][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.734347][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.734347][ T903] netlink_unicast+0x449/0x710 [ 7856.734347][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.734347][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.734347][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.734347][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.734347][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.734347][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7856.734347][ T903] [ 7856.736465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7856.736465][ T903] netdev_get_by_index+0x5e/0x80 [ 7856.736465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7856.736465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7856.736465][ T903] ip6_route_add+0x1c/0x140 [ 7856.736465][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7856.736465][ T903] inet6_addr_add+0x4f8/0xa40 [ 7856.736465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7856.736465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.736465][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.736465][ T903] netlink_unicast+0x449/0x710 [ 7856.736465][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.736465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.736465][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.736465][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.736465][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.736465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7856.736465][ T903] [ 7856.738664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7856.738664][ T903] netdev_get_by_index+0x5e/0x80 [ 7856.738664][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7856.738664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7856.738664][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7856.738664][ T903] ipv6_add_addr+0x411/0x2000 [ 7856.738664][ T903] inet6_addr_add+0x30e/0xa40 [ 7856.738664][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7856.738664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.738664][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.738664][ T903] netlink_unicast+0x449/0x710 [ 7856.738664][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.738664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.738664][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.738664][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.738664][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.738664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7856.738664][ T903] [ 7856.740866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7856.740866][ T903] netdev_get_by_index+0x5e/0x80 [ 7856.740866][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7856.740866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7856.740866][ T903] ip6_route_add+0x1c/0x140 [ 7856.740866][ T903] addrconf_add_mroute+0x129/0x180 [ 7856.740866][ T903] addrconf_add_dev+0xe2/0x170 [ 7856.740866][ T903] inet6_addr_add+0x12f/0xa40 [ 7856.740866][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7856.740866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.740866][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.740866][ T903] netlink_unicast+0x449/0x710 [ 7856.740866][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.740866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.740866][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.740866][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.740866][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.740866][ T903] [ 7856.743040][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7856.743040][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7856.743040][ T903] ipv6_find_idev+0x102/0x170 [ 7856.743040][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7856.743040][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.743040][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.743040][ T903] netlink_unicast+0x449/0x710 [ 7856.743040][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.743040][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.743040][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.743040][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.743040][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.743040][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7856.743040][ T903] [ 7856.744731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7856.744731][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7856.744731][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7856.744731][ T903] ipv6_find_idev+0x102/0x170 [ 7856.744731][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7856.744731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7856.744731][ T903] netlink_rcv_skb+0x130/0x360 [ 7856.744731][ T903] netlink_unicast+0x449/0x710 [ 7856.744731][ T903] netlink_sendmsg+0x723/0xbe0 [ 7856.744731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7856.744731][ T903] ___sys_sendmsg+0xee/0x170 [ 7856.744731][ T903] __sys_sendmsg+0xcd/0x170 [ 7856.744731][ T903] do_syscall_64+0xc6/0x1e0 [ 7856.744731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7856.744731][ T903] [ 7866.845802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7866.846330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7866.846330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7866.846330][ T903] ip6_validate_gw+0x3eb/0x790 [ 7866.846330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7866.846330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7866.846330][ T903] ip6_route_add+0x1c/0x140 [ 7866.846330][ T903] inet6_rtm_newroute+0x104/0x110 [ 7866.846330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.846330][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.846330][ T903] netlink_unicast+0x449/0x710 [ 7866.846330][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.846330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.846330][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.846330][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.846330][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.846330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7866.846330][ T903] [ 7866.848428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7866.848428][ T903] netdev_get_by_index+0x5e/0x80 [ 7866.848428][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7866.848428][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7866.848428][ T903] ip6_route_add+0x1c/0x140 [ 7866.848428][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7866.848428][ T903] inet6_addr_add+0x4f8/0xa40 [ 7866.848428][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7866.848428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.848428][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.848428][ T903] netlink_unicast+0x449/0x710 [ 7866.848428][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.848428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.848428][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.848428][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.848428][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.848428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7866.848428][ T903] [ 7866.850622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7866.850622][ T903] netdev_get_by_index+0x5e/0x80 [ 7866.850622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7866.850622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7866.850622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7866.850622][ T903] ipv6_add_addr+0x411/0x2000 [ 7866.850622][ T903] inet6_addr_add+0x30e/0xa40 [ 7866.850622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7866.850622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.850622][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.850622][ T903] netlink_unicast+0x449/0x710 [ 7866.850622][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.850622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.850622][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.850622][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.850622][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.850622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7866.850622][ T903] [ 7866.852808][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7866.852808][ T903] netdev_get_by_index+0x5e/0x80 [ 7866.852808][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7866.852808][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7866.852808][ T903] ip6_route_add+0x1c/0x140 [ 7866.852808][ T903] addrconf_add_mroute+0x129/0x180 [ 7866.852808][ T903] addrconf_add_dev+0xe2/0x170 [ 7866.852808][ T903] inet6_addr_add+0x12f/0xa40 [ 7866.852808][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7866.852808][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.852808][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.852808][ T903] netlink_unicast+0x449/0x710 [ 7866.852808][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.852808][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.852808][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.852808][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.852808][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.852808][ T903] [ 7866.854963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7866.854963][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7866.854963][ T903] ipv6_find_idev+0x102/0x170 [ 7866.854963][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7866.854963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.854963][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.854963][ T903] netlink_unicast+0x449/0x710 [ 7866.854963][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.854963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.854963][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.854963][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.854963][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.854963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7866.854963][ T903] [ 7866.856657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7866.856657][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7866.856657][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7866.856657][ T903] ipv6_find_idev+0x102/0x170 [ 7866.856657][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7866.856657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7866.856657][ T903] netlink_rcv_skb+0x130/0x360 [ 7866.856657][ T903] netlink_unicast+0x449/0x710 [ 7866.856657][ T903] netlink_sendmsg+0x723/0xbe0 [ 7866.856657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7866.856657][ T903] ___sys_sendmsg+0xee/0x170 [ 7866.856657][ T903] __sys_sendmsg+0xcd/0x170 [ 7866.856657][ T903] do_syscall_64+0xc6/0x1e0 [ 7866.856657][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7866.856657][ T903] [ 7877.093821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7877.094312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7877.094312][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7877.094312][ T903] ip6_validate_gw+0x3eb/0x790 [ 7877.094312][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7877.094312][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7877.094312][ T903] ip6_route_add+0x1c/0x140 [ 7877.094312][ T903] inet6_rtm_newroute+0x104/0x110 [ 7877.094312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.094312][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.094312][ T903] netlink_unicast+0x449/0x710 [ 7877.094312][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.094312][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.094312][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.094312][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.094312][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.094312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7877.094312][ T903] [ 7877.096433][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7877.096433][ T903] netdev_get_by_index+0x5e/0x80 [ 7877.096433][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7877.096433][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7877.096433][ T903] ip6_route_add+0x1c/0x140 [ 7877.096433][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7877.096433][ T903] inet6_addr_add+0x4f8/0xa40 [ 7877.096433][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7877.096433][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.096433][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.096433][ T903] netlink_unicast+0x449/0x710 [ 7877.096433][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.096433][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.096433][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.096433][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.096433][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.096433][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7877.096433][ T903] [ 7877.098620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7877.098620][ T903] netdev_get_by_index+0x5e/0x80 [ 7877.098620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7877.098620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7877.098620][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7877.098620][ T903] ipv6_add_addr+0x411/0x2000 [ 7877.098620][ T903] inet6_addr_add+0x30e/0xa40 [ 7877.098620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7877.098620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.098620][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.098620][ T903] netlink_unicast+0x449/0x710 [ 7877.098620][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.098620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.098620][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.098620][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.098620][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.098620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7877.098620][ T903] [ 7877.100806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7877.100806][ T903] netdev_get_by_index+0x5e/0x80 [ 7877.100806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7877.100806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7877.100806][ T903] ip6_route_add+0x1c/0x140 [ 7877.100806][ T903] addrconf_add_mroute+0x129/0x180 [ 7877.100806][ T903] addrconf_add_dev+0xe2/0x170 [ 7877.100806][ T903] inet6_addr_add+0x12f/0xa40 [ 7877.100806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7877.100806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.100806][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.100806][ T903] netlink_unicast+0x449/0x710 [ 7877.100806][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.100806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.100806][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.100806][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.100806][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.100806][ T903] [ 7877.102980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7877.102980][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7877.102980][ T903] ipv6_find_idev+0x102/0x170 [ 7877.102980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7877.102980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.102980][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.102980][ T903] netlink_unicast+0x449/0x710 [ 7877.102980][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.102980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.102980][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.102980][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.102980][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.102980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7877.102980][ T903] [ 7877.104669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7877.104669][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7877.104669][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7877.104669][ T903] ipv6_find_idev+0x102/0x170 [ 7877.104669][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7877.104669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7877.104669][ T903] netlink_rcv_skb+0x130/0x360 [ 7877.104669][ T903] netlink_unicast+0x449/0x710 [ 7877.104669][ T903] netlink_sendmsg+0x723/0xbe0 [ 7877.104669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7877.104669][ T903] ___sys_sendmsg+0xee/0x170 [ 7877.104669][ T903] __sys_sendmsg+0xcd/0x170 [ 7877.104669][ T903] do_syscall_64+0xc6/0x1e0 [ 7877.104669][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7877.104669][ T903] [ 7887.341817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7887.342289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7887.342289][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7887.342289][ T903] ip6_validate_gw+0x3eb/0x790 [ 7887.342289][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7887.342289][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7887.342289][ T903] ip6_route_add+0x1c/0x140 [ 7887.342289][ T903] inet6_rtm_newroute+0x104/0x110 [ 7887.342289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.342289][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.342289][ T903] netlink_unicast+0x449/0x710 [ 7887.342289][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.342289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.342289][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.342289][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.342289][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.342289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7887.342289][ T903] [ 7887.344379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7887.344379][ T903] netdev_get_by_index+0x5e/0x80 [ 7887.344379][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7887.344379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7887.344379][ T903] ip6_route_add+0x1c/0x140 [ 7887.344379][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7887.344379][ T903] inet6_addr_add+0x4f8/0xa40 [ 7887.344379][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7887.344379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.344379][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.344379][ T903] netlink_unicast+0x449/0x710 [ 7887.344379][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.344379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.344379][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.344379][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.344379][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.344379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7887.344379][ T903] [ 7887.346578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7887.346578][ T903] netdev_get_by_index+0x5e/0x80 [ 7887.346578][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7887.346578][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7887.346578][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7887.346578][ T903] ipv6_add_addr+0x411/0x2000 [ 7887.346578][ T903] inet6_addr_add+0x30e/0xa40 [ 7887.346578][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7887.346578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.346578][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.346578][ T903] netlink_unicast+0x449/0x710 [ 7887.346578][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.346578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.346578][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.346578][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.346578][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.346578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7887.346578][ T903] [ 7887.348776][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7887.348776][ T903] netdev_get_by_index+0x5e/0x80 [ 7887.348776][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7887.348776][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7887.348776][ T903] ip6_route_add+0x1c/0x140 [ 7887.348776][ T903] addrconf_add_mroute+0x129/0x180 [ 7887.348776][ T903] addrconf_add_dev+0xe2/0x170 [ 7887.348776][ T903] inet6_addr_add+0x12f/0xa40 [ 7887.348776][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7887.348776][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.348776][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.348776][ T903] netlink_unicast+0x449/0x710 [ 7887.348776][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.348776][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.348776][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.348776][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.348776][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.348776][ T903] [ 7887.350971][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7887.350971][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7887.350971][ T903] ipv6_find_idev+0x102/0x170 [ 7887.350971][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7887.350971][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.350971][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.350971][ T903] netlink_unicast+0x449/0x710 [ 7887.350971][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.350971][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.350971][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.350971][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.350971][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.350971][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7887.350971][ T903] [ 7887.352657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7887.352657][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7887.352657][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7887.352657][ T903] ipv6_find_idev+0x102/0x170 [ 7887.352657][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7887.352657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7887.352657][ T903] netlink_rcv_skb+0x130/0x360 [ 7887.352657][ T903] netlink_unicast+0x449/0x710 [ 7887.352657][ T903] netlink_sendmsg+0x723/0xbe0 [ 7887.352657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7887.352657][ T903] ___sys_sendmsg+0xee/0x170 [ 7887.352657][ T903] __sys_sendmsg+0xcd/0x170 [ 7887.352657][ T903] do_syscall_64+0xc6/0x1e0 [ 7887.352657][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7887.352657][ T903] [ 7897.589825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7897.590253][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7897.590253][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7897.590253][ T903] ip6_validate_gw+0x3eb/0x790 [ 7897.590253][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7897.590253][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7897.590253][ T903] ip6_route_add+0x1c/0x140 [ 7897.590253][ T903] inet6_rtm_newroute+0x104/0x110 [ 7897.590253][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.590253][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.590253][ T903] netlink_unicast+0x449/0x710 [ 7897.590253][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.590253][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.590253][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.590253][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.590253][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.590253][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7897.590253][ T903] [ 7897.592344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7897.592344][ T903] netdev_get_by_index+0x5e/0x80 [ 7897.592344][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7897.592344][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7897.592344][ T903] ip6_route_add+0x1c/0x140 [ 7897.592344][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7897.592344][ T903] inet6_addr_add+0x4f8/0xa40 [ 7897.592344][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7897.592344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.592344][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.592344][ T903] netlink_unicast+0x449/0x710 [ 7897.592344][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.592344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.592344][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.592344][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.592344][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.592344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7897.592344][ T903] [ 7897.594553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7897.594553][ T903] netdev_get_by_index+0x5e/0x80 [ 7897.594553][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7897.594553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7897.594553][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7897.594553][ T903] ipv6_add_addr+0x411/0x2000 [ 7897.594553][ T903] inet6_addr_add+0x30e/0xa40 [ 7897.594553][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7897.594553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.594553][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.594553][ T903] netlink_unicast+0x449/0x710 [ 7897.594553][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.594553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.594553][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.594553][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.594553][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.594553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7897.594553][ T903] [ 7897.596752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7897.596752][ T903] netdev_get_by_index+0x5e/0x80 [ 7897.596752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7897.596752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7897.596752][ T903] ip6_route_add+0x1c/0x140 [ 7897.596752][ T903] addrconf_add_mroute+0x129/0x180 [ 7897.596752][ T903] addrconf_add_dev+0xe2/0x170 [ 7897.596752][ T903] inet6_addr_add+0x12f/0xa40 [ 7897.596752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7897.596752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.596752][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.596752][ T903] netlink_unicast+0x449/0x710 [ 7897.596752][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.596752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.596752][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.596752][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.596752][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.596752][ T903] [ 7897.598899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7897.598899][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7897.598899][ T903] ipv6_find_idev+0x102/0x170 [ 7897.598899][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7897.598899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.598899][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.598899][ T903] netlink_unicast+0x449/0x710 [ 7897.598899][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.598899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.598899][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.598899][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.598899][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.598899][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7897.598899][ T903] [ 7897.600582][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7897.600582][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7897.600582][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7897.600582][ T903] ipv6_find_idev+0x102/0x170 [ 7897.600582][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7897.600582][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7897.600582][ T903] netlink_rcv_skb+0x130/0x360 [ 7897.600582][ T903] netlink_unicast+0x449/0x710 [ 7897.600582][ T903] netlink_sendmsg+0x723/0xbe0 [ 7897.600582][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7897.600582][ T903] ___sys_sendmsg+0xee/0x170 [ 7897.600582][ T903] __sys_sendmsg+0xcd/0x170 [ 7897.600582][ T903] do_syscall_64+0xc6/0x1e0 [ 7897.600582][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7897.600582][ T903] [ 7907.837817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7907.838325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7907.838325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7907.838325][ T903] ip6_validate_gw+0x3eb/0x790 [ 7907.838325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7907.838325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7907.838325][ T903] ip6_route_add+0x1c/0x140 [ 7907.838325][ T903] inet6_rtm_newroute+0x104/0x110 [ 7907.838325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.838325][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.838325][ T903] netlink_unicast+0x449/0x710 [ 7907.838325][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.838325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.838325][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.838325][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.838325][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.838325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7907.838325][ T903] [ 7907.840411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7907.840411][ T903] netdev_get_by_index+0x5e/0x80 [ 7907.840411][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7907.840411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7907.840411][ T903] ip6_route_add+0x1c/0x140 [ 7907.840411][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7907.840411][ T903] inet6_addr_add+0x4f8/0xa40 [ 7907.840411][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7907.840411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.840411][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.840411][ T903] netlink_unicast+0x449/0x710 [ 7907.840411][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.840411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.840411][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.840411][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.840411][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.840411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7907.840411][ T903] [ 7907.842606][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7907.842606][ T903] netdev_get_by_index+0x5e/0x80 [ 7907.842606][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7907.842606][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7907.842606][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7907.842606][ T903] ipv6_add_addr+0x411/0x2000 [ 7907.842606][ T903] inet6_addr_add+0x30e/0xa40 [ 7907.842606][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7907.842606][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.842606][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.842606][ T903] netlink_unicast+0x449/0x710 [ 7907.842606][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.842606][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.842606][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.842606][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.842606][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.842606][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7907.842606][ T903] [ 7907.844791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7907.844791][ T903] netdev_get_by_index+0x5e/0x80 [ 7907.844791][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7907.844791][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7907.844791][ T903] ip6_route_add+0x1c/0x140 [ 7907.844791][ T903] addrconf_add_mroute+0x129/0x180 [ 7907.844791][ T903] addrconf_add_dev+0xe2/0x170 [ 7907.844791][ T903] inet6_addr_add+0x12f/0xa40 [ 7907.844791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7907.844791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.844791][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.844791][ T903] netlink_unicast+0x449/0x710 [ 7907.844791][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.844791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.844791][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.844791][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.844791][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.844791][ T903] [ 7907.847000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7907.847000][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7907.847000][ T903] ipv6_find_idev+0x102/0x170 [ 7907.847000][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7907.847000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.847000][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.847000][ T903] netlink_unicast+0x449/0x710 [ 7907.847000][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.847000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.847000][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.847000][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.847000][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.847000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7907.847000][ T903] [ 7907.848714][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7907.848714][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7907.848714][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7907.848714][ T903] ipv6_find_idev+0x102/0x170 [ 7907.848714][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7907.848714][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7907.848714][ T903] netlink_rcv_skb+0x130/0x360 [ 7907.848714][ T903] netlink_unicast+0x449/0x710 [ 7907.848714][ T903] netlink_sendmsg+0x723/0xbe0 [ 7907.848714][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7907.848714][ T903] ___sys_sendmsg+0xee/0x170 [ 7907.848714][ T903] __sys_sendmsg+0xcd/0x170 [ 7907.848714][ T903] do_syscall_64+0xc6/0x1e0 [ 7907.848714][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7907.848714][ T903] [ 7918.085842][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7918.086285][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7918.086285][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7918.086285][ T903] ip6_validate_gw+0x3eb/0x790 [ 7918.086285][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7918.086285][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7918.086285][ T903] ip6_route_add+0x1c/0x140 [ 7918.086285][ T903] inet6_rtm_newroute+0x104/0x110 [ 7918.086285][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.086285][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.086285][ T903] netlink_unicast+0x449/0x710 [ 7918.086285][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.086285][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.086285][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.086285][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.086285][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.086285][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7918.086285][ T903] [ 7918.088385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7918.088385][ T903] netdev_get_by_index+0x5e/0x80 [ 7918.088385][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7918.088385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7918.088385][ T903] ip6_route_add+0x1c/0x140 [ 7918.088385][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7918.088385][ T903] inet6_addr_add+0x4f8/0xa40 [ 7918.088385][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7918.088385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.088385][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.088385][ T903] netlink_unicast+0x449/0x710 [ 7918.088385][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.088385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.088385][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.088385][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.088385][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.088385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7918.088385][ T903] [ 7918.090578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7918.090578][ T903] netdev_get_by_index+0x5e/0x80 [ 7918.090578][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7918.090578][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7918.090578][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7918.090578][ T903] ipv6_add_addr+0x411/0x2000 [ 7918.090578][ T903] inet6_addr_add+0x30e/0xa40 [ 7918.090578][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7918.090578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.090578][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.090578][ T903] netlink_unicast+0x449/0x710 [ 7918.090578][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.090578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.090578][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.090578][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.090578][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.090578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7918.090578][ T903] [ 7918.092759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7918.092759][ T903] netdev_get_by_index+0x5e/0x80 [ 7918.092759][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7918.092759][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7918.092759][ T903] ip6_route_add+0x1c/0x140 [ 7918.092759][ T903] addrconf_add_mroute+0x129/0x180 [ 7918.092759][ T903] addrconf_add_dev+0xe2/0x170 [ 7918.092759][ T903] inet6_addr_add+0x12f/0xa40 [ 7918.092759][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7918.092759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.092759][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.092759][ T903] netlink_unicast+0x449/0x710 [ 7918.092759][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.092759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.092759][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.092759][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.092759][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.092759][ T903] [ 7918.094916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7918.094916][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7918.094916][ T903] ipv6_find_idev+0x102/0x170 [ 7918.094916][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7918.094916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.094916][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.094916][ T903] netlink_unicast+0x449/0x710 [ 7918.094916][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.094916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.094916][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.094916][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.094916][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.094916][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7918.094916][ T903] [ 7918.096632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7918.096632][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7918.096632][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7918.096632][ T903] ipv6_find_idev+0x102/0x170 [ 7918.096632][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7918.096632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7918.096632][ T903] netlink_rcv_skb+0x130/0x360 [ 7918.096632][ T903] netlink_unicast+0x449/0x710 [ 7918.096632][ T903] netlink_sendmsg+0x723/0xbe0 [ 7918.096632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7918.096632][ T903] ___sys_sendmsg+0xee/0x170 [ 7918.096632][ T903] __sys_sendmsg+0xcd/0x170 [ 7918.096632][ T903] do_syscall_64+0xc6/0x1e0 [ 7918.096632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7918.096632][ T903] [ 7928.333827][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7928.334284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7928.334284][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7928.334284][ T903] ip6_validate_gw+0x3eb/0x790 [ 7928.334284][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7928.334284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7928.334284][ T903] ip6_route_add+0x1c/0x140 [ 7928.334284][ T903] inet6_rtm_newroute+0x104/0x110 [ 7928.334284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.334284][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.334284][ T903] netlink_unicast+0x449/0x710 [ 7928.334284][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.334284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.334284][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.334284][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.334284][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.334284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7928.334284][ T903] [ 7928.336419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7928.336419][ T903] netdev_get_by_index+0x5e/0x80 [ 7928.336419][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7928.336419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7928.336419][ T903] ip6_route_add+0x1c/0x140 [ 7928.336419][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7928.336419][ T903] inet6_addr_add+0x4f8/0xa40 [ 7928.336419][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7928.336419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.336419][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.336419][ T903] netlink_unicast+0x449/0x710 [ 7928.336419][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.336419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.336419][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.336419][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.336419][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.336419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7928.336419][ T903] [ 7928.338678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7928.338678][ T903] netdev_get_by_index+0x5e/0x80 [ 7928.338678][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7928.338678][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7928.338678][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7928.338678][ T903] ipv6_add_addr+0x411/0x2000 [ 7928.338678][ T903] inet6_addr_add+0x30e/0xa40 [ 7928.338678][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7928.338678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.338678][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.338678][ T903] netlink_unicast+0x449/0x710 [ 7928.338678][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.338678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.338678][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.338678][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.338678][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.338678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7928.338678][ T903] [ 7928.340890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7928.340890][ T903] netdev_get_by_index+0x5e/0x80 [ 7928.340890][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7928.340890][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7928.340890][ T903] ip6_route_add+0x1c/0x140 [ 7928.340890][ T903] addrconf_add_mroute+0x129/0x180 [ 7928.340890][ T903] addrconf_add_dev+0xe2/0x170 [ 7928.340890][ T903] inet6_addr_add+0x12f/0xa40 [ 7928.340890][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7928.340890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.340890][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.340890][ T903] netlink_unicast+0x449/0x710 [ 7928.340890][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.340890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.340890][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.340890][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.340890][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.340890][ T903] [ 7928.343061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7928.343061][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7928.343061][ T903] ipv6_find_idev+0x102/0x170 [ 7928.343061][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7928.343061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.343061][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.343061][ T903] netlink_unicast+0x449/0x710 [ 7928.343061][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.343061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.343061][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.343061][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.343061][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.343061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7928.343061][ T903] [ 7928.344795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7928.344795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7928.344795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7928.344795][ T903] ipv6_find_idev+0x102/0x170 [ 7928.344795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7928.344795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7928.344795][ T903] netlink_rcv_skb+0x130/0x360 [ 7928.344795][ T903] netlink_unicast+0x449/0x710 [ 7928.344795][ T903] netlink_sendmsg+0x723/0xbe0 [ 7928.344795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7928.344795][ T903] ___sys_sendmsg+0xee/0x170 [ 7928.344795][ T903] __sys_sendmsg+0xcd/0x170 [ 7928.344795][ T903] do_syscall_64+0xc6/0x1e0 [ 7928.344795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7928.344795][ T903] [ 7938.589807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7938.590342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7938.590342][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7938.590342][ T903] ip6_validate_gw+0x3eb/0x790 [ 7938.590342][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7938.590342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7938.590342][ T903] ip6_route_add+0x1c/0x140 [ 7938.590342][ T903] inet6_rtm_newroute+0x104/0x110 [ 7938.590342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.590342][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.590342][ T903] netlink_unicast+0x449/0x710 [ 7938.590342][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.590342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.590342][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.590342][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.590342][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.590342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7938.590342][ T903] [ 7938.592465][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7938.592465][ T903] netdev_get_by_index+0x5e/0x80 [ 7938.592465][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7938.592465][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7938.592465][ T903] ip6_route_add+0x1c/0x140 [ 7938.592465][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7938.592465][ T903] inet6_addr_add+0x4f8/0xa40 [ 7938.592465][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7938.592465][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.592465][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.592465][ T903] netlink_unicast+0x449/0x710 [ 7938.592465][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.592465][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.592465][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.592465][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.592465][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.592465][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7938.592465][ T903] [ 7938.594656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7938.594656][ T903] netdev_get_by_index+0x5e/0x80 [ 7938.594656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7938.594656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7938.594656][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7938.594656][ T903] ipv6_add_addr+0x411/0x2000 [ 7938.594656][ T903] inet6_addr_add+0x30e/0xa40 [ 7938.594656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7938.594656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.594656][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.594656][ T903] netlink_unicast+0x449/0x710 [ 7938.594656][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.594656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.594656][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.594656][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.594656][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.594656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7938.594656][ T903] [ 7938.596895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7938.596895][ T903] netdev_get_by_index+0x5e/0x80 [ 7938.596895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7938.596895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7938.596895][ T903] ip6_route_add+0x1c/0x140 [ 7938.596895][ T903] addrconf_add_mroute+0x129/0x180 [ 7938.596895][ T903] addrconf_add_dev+0xe2/0x170 [ 7938.596895][ T903] inet6_addr_add+0x12f/0xa40 [ 7938.596895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7938.596895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.596895][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.596895][ T903] netlink_unicast+0x449/0x710 [ 7938.596895][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.596895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.596895][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.596895][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.596895][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.596895][ T903] [ 7938.599077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7938.599077][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7938.599077][ T903] ipv6_find_idev+0x102/0x170 [ 7938.599077][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7938.599077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.599077][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.599077][ T903] netlink_unicast+0x449/0x710 [ 7938.599077][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.599077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.599077][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.599077][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.599077][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.599077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7938.599077][ T903] [ 7938.600795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7938.600795][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7938.600795][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7938.600795][ T903] ipv6_find_idev+0x102/0x170 [ 7938.600795][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7938.600795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7938.600795][ T903] netlink_rcv_skb+0x130/0x360 [ 7938.600795][ T903] netlink_unicast+0x449/0x710 [ 7938.600795][ T903] netlink_sendmsg+0x723/0xbe0 [ 7938.600795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7938.600795][ T903] ___sys_sendmsg+0xee/0x170 [ 7938.600795][ T903] __sys_sendmsg+0xcd/0x170 [ 7938.600795][ T903] do_syscall_64+0xc6/0x1e0 [ 7938.600795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7938.600795][ T903] [ 7948.845805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7948.846335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7948.846335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7948.846335][ T903] ip6_validate_gw+0x3eb/0x790 [ 7948.846335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7948.846335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7948.846335][ T903] ip6_route_add+0x1c/0x140 [ 7948.846335][ T903] inet6_rtm_newroute+0x104/0x110 [ 7948.846335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.846335][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.846335][ T903] netlink_unicast+0x449/0x710 [ 7948.846335][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.846335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.846335][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.846335][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.846335][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.846335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7948.846335][ T903] [ 7948.848421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7948.848421][ T903] netdev_get_by_index+0x5e/0x80 [ 7948.848421][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7948.848421][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7948.848421][ T903] ip6_route_add+0x1c/0x140 [ 7948.848421][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7948.848421][ T903] inet6_addr_add+0x4f8/0xa40 [ 7948.848421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7948.848421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.848421][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.848421][ T903] netlink_unicast+0x449/0x710 [ 7948.848421][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.848421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.848421][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.848421][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.848421][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.848421][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7948.848421][ T903] [ 7948.850623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7948.850623][ T903] netdev_get_by_index+0x5e/0x80 [ 7948.850623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7948.850623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7948.850623][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7948.850623][ T903] ipv6_add_addr+0x411/0x2000 [ 7948.850623][ T903] inet6_addr_add+0x30e/0xa40 [ 7948.850623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7948.850623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.850623][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.850623][ T903] netlink_unicast+0x449/0x710 [ 7948.850623][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.850623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.850623][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.850623][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.850623][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.850623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7948.850623][ T903] [ 7948.852808][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7948.852808][ T903] netdev_get_by_index+0x5e/0x80 [ 7948.852808][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7948.852808][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7948.852808][ T903] ip6_route_add+0x1c/0x140 [ 7948.852808][ T903] addrconf_add_mroute+0x129/0x180 [ 7948.852808][ T903] addrconf_add_dev+0xe2/0x170 [ 7948.852808][ T903] inet6_addr_add+0x12f/0xa40 [ 7948.852808][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7948.852808][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.852808][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.852808][ T903] netlink_unicast+0x449/0x710 [ 7948.852808][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.852808][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.852808][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.852808][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.852808][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.852808][ T903] [ 7948.854972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7948.854972][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7948.854972][ T903] ipv6_find_idev+0x102/0x170 [ 7948.854972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7948.854972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.854972][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.854972][ T903] netlink_unicast+0x449/0x710 [ 7948.854972][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.854972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.854972][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.854972][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.854972][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.854972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7948.854972][ T903] [ 7948.856664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7948.856664][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7948.856664][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7948.856664][ T903] ipv6_find_idev+0x102/0x170 [ 7948.856664][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7948.856664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7948.856664][ T903] netlink_rcv_skb+0x130/0x360 [ 7948.856664][ T903] netlink_unicast+0x449/0x710 [ 7948.856664][ T903] netlink_sendmsg+0x723/0xbe0 [ 7948.856664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7948.856664][ T903] ___sys_sendmsg+0xee/0x170 [ 7948.856664][ T903] __sys_sendmsg+0xcd/0x170 [ 7948.856664][ T903] do_syscall_64+0xc6/0x1e0 [ 7948.856664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7948.856664][ T903] [ 7959.093826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7959.094273][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7959.094273][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7959.094273][ T903] ip6_validate_gw+0x3eb/0x790 [ 7959.094273][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7959.094273][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7959.094273][ T903] ip6_route_add+0x1c/0x140 [ 7959.094273][ T903] inet6_rtm_newroute+0x104/0x110 [ 7959.094273][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.094273][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.094273][ T903] netlink_unicast+0x449/0x710 [ 7959.094273][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.094273][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.094273][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.094273][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.094273][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.094273][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7959.094273][ T903] [ 7959.096373][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7959.096373][ T903] netdev_get_by_index+0x5e/0x80 [ 7959.096373][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7959.096373][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7959.096373][ T903] ip6_route_add+0x1c/0x140 [ 7959.096373][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7959.096373][ T903] inet6_addr_add+0x4f8/0xa40 [ 7959.096373][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7959.096373][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.096373][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.096373][ T903] netlink_unicast+0x449/0x710 [ 7959.096373][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.096373][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.096373][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.096373][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.096373][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.096373][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7959.096373][ T903] [ 7959.098553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7959.098553][ T903] netdev_get_by_index+0x5e/0x80 [ 7959.098553][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7959.098553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7959.098553][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7959.098553][ T903] ipv6_add_addr+0x411/0x2000 [ 7959.098553][ T903] inet6_addr_add+0x30e/0xa40 [ 7959.098553][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7959.098553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.098553][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.098553][ T903] netlink_unicast+0x449/0x710 [ 7959.098553][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.098553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.098553][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.098553][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.098553][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.098553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7959.098553][ T903] [ 7959.100736][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7959.100736][ T903] netdev_get_by_index+0x5e/0x80 [ 7959.100736][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7959.100736][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7959.100736][ T903] ip6_route_add+0x1c/0x140 [ 7959.100736][ T903] addrconf_add_mroute+0x129/0x180 [ 7959.100736][ T903] addrconf_add_dev+0xe2/0x170 [ 7959.100736][ T903] inet6_addr_add+0x12f/0xa40 [ 7959.100736][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7959.100736][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.100736][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.100736][ T903] netlink_unicast+0x449/0x710 [ 7959.100736][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.100736][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.100736][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.100736][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.100736][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.100736][ T903] [ 7959.103367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7959.103367][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7959.103367][ T903] ipv6_find_idev+0x102/0x170 [ 7959.103367][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7959.103367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.103367][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.103367][ T903] netlink_unicast+0x449/0x710 [ 7959.103367][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.103367][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.103367][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.103367][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.103367][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.103367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7959.103367][ T903] [ 7959.105050][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7959.105050][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7959.105050][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7959.105050][ T903] ipv6_find_idev+0x102/0x170 [ 7959.105050][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7959.105050][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7959.105050][ T903] netlink_rcv_skb+0x130/0x360 [ 7959.105050][ T903] netlink_unicast+0x449/0x710 [ 7959.105050][ T903] netlink_sendmsg+0x723/0xbe0 [ 7959.105050][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7959.105050][ T903] ___sys_sendmsg+0xee/0x170 [ 7959.105050][ T903] __sys_sendmsg+0xcd/0x170 [ 7959.105050][ T903] do_syscall_64+0xc6/0x1e0 [ 7959.105050][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7959.105050][ T903] [ 7969.349809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7969.350244][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7969.350244][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7969.350244][ T903] ip6_validate_gw+0x3eb/0x790 [ 7969.350244][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7969.350244][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7969.350244][ T903] ip6_route_add+0x1c/0x140 [ 7969.350244][ T903] inet6_rtm_newroute+0x104/0x110 [ 7969.350244][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.350244][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.350244][ T903] netlink_unicast+0x449/0x710 [ 7969.350244][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.350244][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.350244][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.350244][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.350244][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.350244][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7969.350244][ T903] [ 7969.352331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7969.352331][ T903] netdev_get_by_index+0x5e/0x80 [ 7969.352331][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7969.352331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7969.352331][ T903] ip6_route_add+0x1c/0x140 [ 7969.352331][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7969.352331][ T903] inet6_addr_add+0x4f8/0xa40 [ 7969.352331][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7969.352331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.352331][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.352331][ T903] netlink_unicast+0x449/0x710 [ 7969.352331][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.352331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.352331][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.352331][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.352331][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.352331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7969.352331][ T903] [ 7969.354645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7969.354645][ T903] netdev_get_by_index+0x5e/0x80 [ 7969.354645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7969.354645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7969.354645][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7969.354645][ T903] ipv6_add_addr+0x411/0x2000 [ 7969.354645][ T903] inet6_addr_add+0x30e/0xa40 [ 7969.354645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7969.354645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.354645][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.354645][ T903] netlink_unicast+0x449/0x710 [ 7969.354645][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.354645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.354645][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.354645][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.354645][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.354645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7969.354645][ T903] [ 7969.356848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7969.356848][ T903] netdev_get_by_index+0x5e/0x80 [ 7969.356848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7969.356848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7969.356848][ T903] ip6_route_add+0x1c/0x140 [ 7969.356848][ T903] addrconf_add_mroute+0x129/0x180 [ 7969.356848][ T903] addrconf_add_dev+0xe2/0x170 [ 7969.356848][ T903] inet6_addr_add+0x12f/0xa40 [ 7969.356848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7969.356848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.356848][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.356848][ T903] netlink_unicast+0x449/0x710 [ 7969.356848][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.356848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.356848][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.356848][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.356848][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.356848][ T903] [ 7969.359002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7969.359002][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7969.359002][ T903] ipv6_find_idev+0x102/0x170 [ 7969.359002][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7969.359002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.359002][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.359002][ T903] netlink_unicast+0x449/0x710 [ 7969.359002][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.359002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.359002][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.359002][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.359002][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.359002][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7969.359002][ T903] [ 7969.360700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7969.360700][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7969.360700][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7969.360700][ T903] ipv6_find_idev+0x102/0x170 [ 7969.360700][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7969.360700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7969.360700][ T903] netlink_rcv_skb+0x130/0x360 [ 7969.360700][ T903] netlink_unicast+0x449/0x710 [ 7969.360700][ T903] netlink_sendmsg+0x723/0xbe0 [ 7969.360700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7969.360700][ T903] ___sys_sendmsg+0xee/0x170 [ 7969.360700][ T903] __sys_sendmsg+0xcd/0x170 [ 7969.360700][ T903] do_syscall_64+0xc6/0x1e0 [ 7969.360700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7969.360700][ T903] [ 7979.597903][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7979.598419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7979.598419][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7979.598419][ T903] ip6_validate_gw+0x3eb/0x790 [ 7979.598419][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7979.598419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7979.598419][ T903] ip6_route_add+0x1c/0x140 [ 7979.598419][ T903] inet6_rtm_newroute+0x104/0x110 [ 7979.598419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.598419][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.598419][ T903] netlink_unicast+0x449/0x710 [ 7979.598419][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.598419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.598419][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.598419][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.598419][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.598419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7979.598419][ T903] [ 7979.600525][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7979.600525][ T903] netdev_get_by_index+0x5e/0x80 [ 7979.600525][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7979.600525][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7979.600525][ T903] ip6_route_add+0x1c/0x140 [ 7979.600525][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7979.600525][ T903] inet6_addr_add+0x4f8/0xa40 [ 7979.600525][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7979.600525][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.600525][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.600525][ T903] netlink_unicast+0x449/0x710 [ 7979.600525][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.600525][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.600525][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.600525][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.600525][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.600525][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7979.600525][ T903] [ 7979.602723][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7979.602723][ T903] netdev_get_by_index+0x5e/0x80 [ 7979.602723][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7979.602723][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7979.602723][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7979.602723][ T903] ipv6_add_addr+0x411/0x2000 [ 7979.602723][ T903] inet6_addr_add+0x30e/0xa40 [ 7979.602723][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7979.602723][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.602723][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.602723][ T903] netlink_unicast+0x449/0x710 [ 7979.602723][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.602723][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.602723][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.602723][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.602723][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.602723][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7979.602723][ T903] [ 7979.605417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7979.605417][ T903] netdev_get_by_index+0x5e/0x80 [ 7979.605417][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7979.605417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7979.605417][ T903] ip6_route_add+0x1c/0x140 [ 7979.605417][ T903] addrconf_add_mroute+0x129/0x180 [ 7979.605417][ T903] addrconf_add_dev+0xe2/0x170 [ 7979.605417][ T903] inet6_addr_add+0x12f/0xa40 [ 7979.605417][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7979.605417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.605417][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.605417][ T903] netlink_unicast+0x449/0x710 [ 7979.605417][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.605417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.605417][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.605417][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.605417][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.605417][ T903] [ 7979.607598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7979.607598][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7979.607598][ T903] ipv6_find_idev+0x102/0x170 [ 7979.607598][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7979.607598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.607598][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.607598][ T903] netlink_unicast+0x449/0x710 [ 7979.607598][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.607598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.607598][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.607598][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.607598][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.607598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7979.607598][ T903] [ 7979.609289][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7979.609289][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7979.609289][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7979.609289][ T903] ipv6_find_idev+0x102/0x170 [ 7979.609289][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7979.609289][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7979.609289][ T903] netlink_rcv_skb+0x130/0x360 [ 7979.609289][ T903] netlink_unicast+0x449/0x710 [ 7979.609289][ T903] netlink_sendmsg+0x723/0xbe0 [ 7979.609289][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7979.609289][ T903] ___sys_sendmsg+0xee/0x170 [ 7979.609289][ T903] __sys_sendmsg+0xcd/0x170 [ 7979.609289][ T903] do_syscall_64+0xc6/0x1e0 [ 7979.609289][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7979.609289][ T903] [ 7989.853801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7989.854291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 7989.854291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 7989.854291][ T903] ip6_validate_gw+0x3eb/0x790 [ 7989.854291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 7989.854291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7989.854291][ T903] ip6_route_add+0x1c/0x140 [ 7989.854291][ T903] inet6_rtm_newroute+0x104/0x110 [ 7989.854291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.854291][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.854291][ T903] netlink_unicast+0x449/0x710 [ 7989.854291][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.854291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.854291][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.854291][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.854291][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.854291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7989.854291][ T903] [ 7989.856399][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7989.856399][ T903] netdev_get_by_index+0x5e/0x80 [ 7989.856399][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7989.856399][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7989.856399][ T903] ip6_route_add+0x1c/0x140 [ 7989.856399][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 7989.856399][ T903] inet6_addr_add+0x4f8/0xa40 [ 7989.856399][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7989.856399][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.856399][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.856399][ T903] netlink_unicast+0x449/0x710 [ 7989.856399][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.856399][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.856399][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.856399][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.856399][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.856399][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7989.856399][ T903] [ 7989.858593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7989.858593][ T903] netdev_get_by_index+0x5e/0x80 [ 7989.858593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7989.858593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7989.858593][ T903] addrconf_f6i_alloc+0x244/0x410 [ 7989.858593][ T903] ipv6_add_addr+0x411/0x2000 [ 7989.858593][ T903] inet6_addr_add+0x30e/0xa40 [ 7989.858593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7989.858593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.858593][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.858593][ T903] netlink_unicast+0x449/0x710 [ 7989.858593][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.858593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.858593][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.858593][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.858593][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.858593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7989.858593][ T903] [ 7989.860789][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7989.860789][ T903] netdev_get_by_index+0x5e/0x80 [ 7989.860789][ T903] fib6_nh_init+0x3d8/0x15b0 [ 7989.860789][ T903] ip6_route_info_create+0xf18/0x17d0 [ 7989.860789][ T903] ip6_route_add+0x1c/0x140 [ 7989.860789][ T903] addrconf_add_mroute+0x129/0x180 [ 7989.860789][ T903] addrconf_add_dev+0xe2/0x170 [ 7989.860789][ T903] inet6_addr_add+0x12f/0xa40 [ 7989.860789][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 7989.860789][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.860789][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.860789][ T903] netlink_unicast+0x449/0x710 [ 7989.860789][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.860789][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.860789][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.860789][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.860789][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.860789][ T903] [ 7989.862942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7989.862942][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 7989.862942][ T903] ipv6_find_idev+0x102/0x170 [ 7989.862942][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7989.862942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.862942][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.862942][ T903] netlink_unicast+0x449/0x710 [ 7989.862942][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.862942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.862942][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.862942][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.862942][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.862942][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7989.862942][ T903] [ 7989.864630][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 7989.864630][ T903] neigh_parms_alloc+0x1e5/0x510 [ 7989.864630][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 7989.864630][ T903] ipv6_find_idev+0x102/0x170 [ 7989.864630][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 7989.864630][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7989.864630][ T903] netlink_rcv_skb+0x130/0x360 [ 7989.864630][ T903] netlink_unicast+0x449/0x710 [ 7989.864630][ T903] netlink_sendmsg+0x723/0xbe0 [ 7989.864630][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 7989.864630][ T903] ___sys_sendmsg+0xee/0x170 [ 7989.864630][ T903] __sys_sendmsg+0xcd/0x170 [ 7989.864630][ T903] do_syscall_64+0xc6/0x1e0 [ 7989.864630][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7989.864630][ T903] [ 8000.037802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8000.038301][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8000.038301][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8000.038301][ T903] ip6_validate_gw+0x3eb/0x790 [ 8000.038301][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8000.038301][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8000.038301][ T903] ip6_route_add+0x1c/0x140 [ 8000.038301][ T903] inet6_rtm_newroute+0x104/0x110 [ 8000.038301][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.038301][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.038301][ T903] netlink_unicast+0x449/0x710 [ 8000.038301][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.038301][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.038301][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.038301][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.038301][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.038301][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8000.038301][ T903] [ 8000.040404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8000.040404][ T903] netdev_get_by_index+0x5e/0x80 [ 8000.040404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8000.040404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8000.040404][ T903] ip6_route_add+0x1c/0x140 [ 8000.040404][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8000.040404][ T903] inet6_addr_add+0x4f8/0xa40 [ 8000.040404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8000.040404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.040404][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.040404][ T903] netlink_unicast+0x449/0x710 [ 8000.040404][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.040404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.040404][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.040404][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.040404][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.040404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8000.040404][ T903] [ 8000.042599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8000.042599][ T903] netdev_get_by_index+0x5e/0x80 [ 8000.042599][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8000.042599][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8000.042599][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8000.042599][ T903] ipv6_add_addr+0x411/0x2000 [ 8000.042599][ T903] inet6_addr_add+0x30e/0xa40 [ 8000.042599][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8000.042599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.042599][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.042599][ T903] netlink_unicast+0x449/0x710 [ 8000.042599][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.042599][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.042599][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.042599][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.042599][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.042599][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8000.042599][ T903] [ 8000.044806][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8000.044806][ T903] netdev_get_by_index+0x5e/0x80 [ 8000.044806][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8000.044806][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8000.044806][ T903] ip6_route_add+0x1c/0x140 [ 8000.044806][ T903] addrconf_add_mroute+0x129/0x180 [ 8000.044806][ T903] addrconf_add_dev+0xe2/0x170 [ 8000.044806][ T903] inet6_addr_add+0x12f/0xa40 [ 8000.044806][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8000.044806][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.044806][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.044806][ T903] netlink_unicast+0x449/0x710 [ 8000.044806][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.044806][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.044806][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.044806][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.044806][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.044806][ T903] [ 8000.046969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8000.046969][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8000.046969][ T903] ipv6_find_idev+0x102/0x170 [ 8000.046969][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8000.046969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.046969][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.046969][ T903] netlink_unicast+0x449/0x710 [ 8000.046969][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.046969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.046969][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.046969][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.046969][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.046969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8000.046969][ T903] [ 8000.048655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8000.048655][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8000.048655][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8000.048655][ T903] ipv6_find_idev+0x102/0x170 [ 8000.048655][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8000.048655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8000.048655][ T903] netlink_rcv_skb+0x130/0x360 [ 8000.048655][ T903] netlink_unicast+0x449/0x710 [ 8000.048655][ T903] netlink_sendmsg+0x723/0xbe0 [ 8000.048655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8000.048655][ T903] ___sys_sendmsg+0xee/0x170 [ 8000.048655][ T903] __sys_sendmsg+0xcd/0x170 [ 8000.048655][ T903] do_syscall_64+0xc6/0x1e0 [ 8000.048655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8000.048655][ T903] [ 8010.285798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8010.286317][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8010.286317][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8010.286317][ T903] ip6_validate_gw+0x3eb/0x790 [ 8010.286317][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8010.286317][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8010.286317][ T903] ip6_route_add+0x1c/0x140 [ 8010.286317][ T903] inet6_rtm_newroute+0x104/0x110 [ 8010.286317][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.286317][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.286317][ T903] netlink_unicast+0x449/0x710 [ 8010.286317][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.286317][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.286317][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.286317][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.286317][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.286317][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8010.286317][ T903] [ 8010.288408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8010.288408][ T903] netdev_get_by_index+0x5e/0x80 [ 8010.288408][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8010.288408][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8010.288408][ T903] ip6_route_add+0x1c/0x140 [ 8010.288408][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8010.288408][ T903] inet6_addr_add+0x4f8/0xa40 [ 8010.288408][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8010.288408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.288408][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.288408][ T903] netlink_unicast+0x449/0x710 [ 8010.288408][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.288408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.288408][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.288408][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.288408][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.288408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8010.288408][ T903] [ 8010.290607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8010.290607][ T903] netdev_get_by_index+0x5e/0x80 [ 8010.290607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8010.290607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8010.290607][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8010.290607][ T903] ipv6_add_addr+0x411/0x2000 [ 8010.290607][ T903] inet6_addr_add+0x30e/0xa40 [ 8010.290607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8010.290607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.290607][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.290607][ T903] netlink_unicast+0x449/0x710 [ 8010.290607][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.290607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.290607][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.290607][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.290607][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.290607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8010.290607][ T903] [ 8010.292880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8010.292880][ T903] netdev_get_by_index+0x5e/0x80 [ 8010.292880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8010.292880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8010.292880][ T903] ip6_route_add+0x1c/0x140 [ 8010.292880][ T903] addrconf_add_mroute+0x129/0x180 [ 8010.292880][ T903] addrconf_add_dev+0xe2/0x170 [ 8010.292880][ T903] inet6_addr_add+0x12f/0xa40 [ 8010.292880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8010.292880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.292880][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.292880][ T903] netlink_unicast+0x449/0x710 [ 8010.292880][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.292880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.292880][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.292880][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.292880][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.292880][ T903] [ 8010.295052][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8010.295052][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8010.295052][ T903] ipv6_find_idev+0x102/0x170 [ 8010.295052][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8010.295052][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.295052][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.295052][ T903] netlink_unicast+0x449/0x710 [ 8010.295052][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.295052][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.295052][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.295052][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.295052][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.295052][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8010.295052][ T903] [ 8010.296748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8010.296748][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8010.296748][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8010.296748][ T903] ipv6_find_idev+0x102/0x170 [ 8010.296748][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8010.296748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8010.296748][ T903] netlink_rcv_skb+0x130/0x360 [ 8010.296748][ T903] netlink_unicast+0x449/0x710 [ 8010.296748][ T903] netlink_sendmsg+0x723/0xbe0 [ 8010.296748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8010.296748][ T903] ___sys_sendmsg+0xee/0x170 [ 8010.296748][ T903] __sys_sendmsg+0xcd/0x170 [ 8010.296748][ T903] do_syscall_64+0xc6/0x1e0 [ 8010.296748][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8010.296748][ T903] [ 8020.533890][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8020.534402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8020.534402][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8020.534402][ T903] ip6_validate_gw+0x3eb/0x790 [ 8020.534402][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8020.534402][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8020.534402][ T903] ip6_route_add+0x1c/0x140 [ 8020.534402][ T903] inet6_rtm_newroute+0x104/0x110 [ 8020.534402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.534402][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.534402][ T903] netlink_unicast+0x449/0x710 [ 8020.534402][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.534402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.534402][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.534402][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.534402][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.534402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8020.534402][ T903] [ 8020.536513][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8020.536513][ T903] netdev_get_by_index+0x5e/0x80 [ 8020.536513][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8020.536513][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8020.536513][ T903] ip6_route_add+0x1c/0x140 [ 8020.536513][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8020.536513][ T903] inet6_addr_add+0x4f8/0xa40 [ 8020.536513][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8020.536513][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.536513][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.536513][ T903] netlink_unicast+0x449/0x710 [ 8020.536513][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.536513][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.536513][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.536513][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.536513][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.536513][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8020.536513][ T903] [ 8020.538706][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8020.538706][ T903] netdev_get_by_index+0x5e/0x80 [ 8020.538706][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8020.538706][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8020.538706][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8020.538706][ T903] ipv6_add_addr+0x411/0x2000 [ 8020.538706][ T903] inet6_addr_add+0x30e/0xa40 [ 8020.538706][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8020.538706][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.538706][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.538706][ T903] netlink_unicast+0x449/0x710 [ 8020.538706][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.538706][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.538706][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.538706][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.538706][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.538706][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8020.538706][ T903] [ 8020.541791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8020.541791][ T903] netdev_get_by_index+0x5e/0x80 [ 8020.541791][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8020.541791][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8020.541791][ T903] ip6_route_add+0x1c/0x140 [ 8020.541791][ T903] addrconf_add_mroute+0x129/0x180 [ 8020.541791][ T903] addrconf_add_dev+0xe2/0x170 [ 8020.541791][ T903] inet6_addr_add+0x12f/0xa40 [ 8020.541791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8020.541791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.541791][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.541791][ T903] netlink_unicast+0x449/0x710 [ 8020.541791][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.541791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.541791][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.541791][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.541791][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.541791][ T903] [ 8020.543942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8020.543942][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8020.543942][ T903] ipv6_find_idev+0x102/0x170 [ 8020.543942][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8020.543942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.543942][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.543942][ T903] netlink_unicast+0x449/0x710 [ 8020.543942][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.543942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.543942][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.543942][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.543942][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.543942][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8020.543942][ T903] [ 8020.545633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8020.545633][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8020.545633][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8020.545633][ T903] ipv6_find_idev+0x102/0x170 [ 8020.545633][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8020.545633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8020.545633][ T903] netlink_rcv_skb+0x130/0x360 [ 8020.545633][ T903] netlink_unicast+0x449/0x710 [ 8020.545633][ T903] netlink_sendmsg+0x723/0xbe0 [ 8020.545633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8020.545633][ T903] ___sys_sendmsg+0xee/0x170 [ 8020.545633][ T903] __sys_sendmsg+0xcd/0x170 [ 8020.545633][ T903] do_syscall_64+0xc6/0x1e0 [ 8020.545633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8020.545633][ T903] [ 8030.789837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8030.790335][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8030.790335][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8030.790335][ T903] ip6_validate_gw+0x3eb/0x790 [ 8030.790335][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8030.790335][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8030.790335][ T903] ip6_route_add+0x1c/0x140 [ 8030.790335][ T903] inet6_rtm_newroute+0x104/0x110 [ 8030.790335][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.790335][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.790335][ T903] netlink_unicast+0x449/0x710 [ 8030.790335][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.790335][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.790335][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.790335][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.790335][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.790335][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8030.790335][ T903] [ 8030.792437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8030.792437][ T903] netdev_get_by_index+0x5e/0x80 [ 8030.792437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8030.792437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8030.792437][ T903] ip6_route_add+0x1c/0x140 [ 8030.792437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8030.792437][ T903] inet6_addr_add+0x4f8/0xa40 [ 8030.792437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8030.792437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.792437][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.792437][ T903] netlink_unicast+0x449/0x710 [ 8030.792437][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.792437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.792437][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.792437][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.792437][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.792437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8030.792437][ T903] [ 8030.794633][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8030.794633][ T903] netdev_get_by_index+0x5e/0x80 [ 8030.794633][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8030.794633][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8030.794633][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8030.794633][ T903] ipv6_add_addr+0x411/0x2000 [ 8030.794633][ T903] inet6_addr_add+0x30e/0xa40 [ 8030.794633][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8030.794633][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.794633][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.794633][ T903] netlink_unicast+0x449/0x710 [ 8030.794633][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.794633][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.794633][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.794633][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.794633][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.794633][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8030.794633][ T903] [ 8030.796847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8030.796847][ T903] netdev_get_by_index+0x5e/0x80 [ 8030.796847][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8030.796847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8030.796847][ T903] ip6_route_add+0x1c/0x140 [ 8030.796847][ T903] addrconf_add_mroute+0x129/0x180 [ 8030.796847][ T903] addrconf_add_dev+0xe2/0x170 [ 8030.796847][ T903] inet6_addr_add+0x12f/0xa40 [ 8030.796847][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8030.796847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.796847][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.796847][ T903] netlink_unicast+0x449/0x710 [ 8030.796847][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.796847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.796847][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.796847][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.796847][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.796847][ T903] [ 8030.799007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8030.799007][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8030.799007][ T903] ipv6_find_idev+0x102/0x170 [ 8030.799007][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8030.799007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.799007][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.799007][ T903] netlink_unicast+0x449/0x710 [ 8030.799007][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.799007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.799007][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.799007][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.799007][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.799007][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8030.799007][ T903] [ 8030.800695][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8030.800695][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8030.800695][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8030.800695][ T903] ipv6_find_idev+0x102/0x170 [ 8030.800695][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8030.800695][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8030.800695][ T903] netlink_rcv_skb+0x130/0x360 [ 8030.800695][ T903] netlink_unicast+0x449/0x710 [ 8030.800695][ T903] netlink_sendmsg+0x723/0xbe0 [ 8030.800695][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8030.800695][ T903] ___sys_sendmsg+0xee/0x170 [ 8030.800695][ T903] __sys_sendmsg+0xcd/0x170 [ 8030.800695][ T903] do_syscall_64+0xc6/0x1e0 [ 8030.800695][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8030.800695][ T903] [ 8041.037859][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8041.038363][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8041.038363][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8041.038363][ T903] ip6_validate_gw+0x3eb/0x790 [ 8041.038363][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8041.038363][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8041.038363][ T903] ip6_route_add+0x1c/0x140 [ 8041.038363][ T903] inet6_rtm_newroute+0x104/0x110 [ 8041.038363][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.038363][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.038363][ T903] netlink_unicast+0x449/0x710 [ 8041.038363][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.038363][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.038363][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.038363][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.038363][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.038363][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8041.038363][ T903] [ 8041.040468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8041.040468][ T903] netdev_get_by_index+0x5e/0x80 [ 8041.040468][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8041.040468][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8041.040468][ T903] ip6_route_add+0x1c/0x140 [ 8041.040468][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8041.040468][ T903] inet6_addr_add+0x4f8/0xa40 [ 8041.040468][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8041.040468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.040468][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.040468][ T903] netlink_unicast+0x449/0x710 [ 8041.040468][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.040468][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.040468][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.040468][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.040468][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.040468][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8041.040468][ T903] [ 8041.042671][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8041.042671][ T903] netdev_get_by_index+0x5e/0x80 [ 8041.042671][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8041.042671][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8041.042671][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8041.042671][ T903] ipv6_add_addr+0x411/0x2000 [ 8041.042671][ T903] inet6_addr_add+0x30e/0xa40 [ 8041.042671][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8041.042671][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.042671][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.042671][ T903] netlink_unicast+0x449/0x710 [ 8041.042671][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.042671][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.042671][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.042671][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.042671][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.042671][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8041.042671][ T903] [ 8041.044868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8041.044868][ T903] netdev_get_by_index+0x5e/0x80 [ 8041.044868][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8041.044868][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8041.044868][ T903] ip6_route_add+0x1c/0x140 [ 8041.044868][ T903] addrconf_add_mroute+0x129/0x180 [ 8041.044868][ T903] addrconf_add_dev+0xe2/0x170 [ 8041.044868][ T903] inet6_addr_add+0x12f/0xa40 [ 8041.044868][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8041.044868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.044868][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.044868][ T903] netlink_unicast+0x449/0x710 [ 8041.044868][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.044868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.044868][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.044868][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.044868][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.044868][ T903] [ 8041.047879][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8041.047879][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8041.047879][ T903] ipv6_find_idev+0x102/0x170 [ 8041.047879][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8041.047879][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.047879][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.047879][ T903] netlink_unicast+0x449/0x710 [ 8041.047879][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.047879][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.047879][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.047879][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.047879][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.047879][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8041.047879][ T903] [ 8041.050647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8041.050647][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8041.050647][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8041.050647][ T903] ipv6_find_idev+0x102/0x170 [ 8041.050647][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8041.050647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8041.050647][ T903] netlink_rcv_skb+0x130/0x360 [ 8041.050647][ T903] netlink_unicast+0x449/0x710 [ 8041.050647][ T903] netlink_sendmsg+0x723/0xbe0 [ 8041.050647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8041.050647][ T903] ___sys_sendmsg+0xee/0x170 [ 8041.050647][ T903] __sys_sendmsg+0xcd/0x170 [ 8041.050647][ T903] do_syscall_64+0xc6/0x1e0 [ 8041.050647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8041.050647][ T903] [ 8051.293819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8051.294346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8051.294346][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8051.294346][ T903] ip6_validate_gw+0x3eb/0x790 [ 8051.294346][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8051.294346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8051.294346][ T903] ip6_route_add+0x1c/0x140 [ 8051.294346][ T903] inet6_rtm_newroute+0x104/0x110 [ 8051.294346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.294346][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.294346][ T903] netlink_unicast+0x449/0x710 [ 8051.294346][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.294346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.294346][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.294346][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.294346][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.294346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8051.294346][ T903] [ 8051.296451][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8051.296451][ T903] netdev_get_by_index+0x5e/0x80 [ 8051.296451][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8051.296451][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8051.296451][ T903] ip6_route_add+0x1c/0x140 [ 8051.296451][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8051.296451][ T903] inet6_addr_add+0x4f8/0xa40 [ 8051.296451][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8051.296451][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.296451][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.296451][ T903] netlink_unicast+0x449/0x710 [ 8051.296451][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.296451][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.296451][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.296451][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.296451][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.296451][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8051.296451][ T903] [ 8051.298648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8051.298648][ T903] netdev_get_by_index+0x5e/0x80 [ 8051.298648][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8051.298648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8051.298648][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8051.298648][ T903] ipv6_add_addr+0x411/0x2000 [ 8051.298648][ T903] inet6_addr_add+0x30e/0xa40 [ 8051.298648][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8051.298648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.298648][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.298648][ T903] netlink_unicast+0x449/0x710 [ 8051.298648][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.298648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.298648][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.298648][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.298648][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.298648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8051.298648][ T903] [ 8051.300837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8051.300837][ T903] netdev_get_by_index+0x5e/0x80 [ 8051.300837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8051.300837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8051.300837][ T903] ip6_route_add+0x1c/0x140 [ 8051.300837][ T903] addrconf_add_mroute+0x129/0x180 [ 8051.300837][ T903] addrconf_add_dev+0xe2/0x170 [ 8051.300837][ T903] inet6_addr_add+0x12f/0xa40 [ 8051.300837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8051.300837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.300837][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.300837][ T903] netlink_unicast+0x449/0x710 [ 8051.300837][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.300837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.300837][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.300837][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.300837][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.300837][ T903] [ 8051.302994][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8051.302994][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8051.302994][ T903] ipv6_find_idev+0x102/0x170 [ 8051.302994][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8051.302994][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.302994][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.302994][ T903] netlink_unicast+0x449/0x710 [ 8051.302994][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.302994][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.302994][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.302994][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.302994][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.302994][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8051.302994][ T903] [ 8051.304684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8051.304684][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8051.304684][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8051.304684][ T903] ipv6_find_idev+0x102/0x170 [ 8051.304684][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8051.304684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8051.304684][ T903] netlink_rcv_skb+0x130/0x360 [ 8051.304684][ T903] netlink_unicast+0x449/0x710 [ 8051.304684][ T903] netlink_sendmsg+0x723/0xbe0 [ 8051.304684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8051.304684][ T903] ___sys_sendmsg+0xee/0x170 [ 8051.304684][ T903] __sys_sendmsg+0xcd/0x170 [ 8051.304684][ T903] do_syscall_64+0xc6/0x1e0 [ 8051.304684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8051.304684][ T903] [ 8061.541815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8061.542331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8061.542331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8061.542331][ T903] ip6_validate_gw+0x3eb/0x790 [ 8061.542331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8061.542331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8061.542331][ T903] ip6_route_add+0x1c/0x140 [ 8061.542331][ T903] inet6_rtm_newroute+0x104/0x110 [ 8061.542331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.542331][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.542331][ T903] netlink_unicast+0x449/0x710 [ 8061.542331][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.542331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.542331][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.542331][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.542331][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.542331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8061.542331][ T903] [ 8061.544426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8061.544426][ T903] netdev_get_by_index+0x5e/0x80 [ 8061.544426][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8061.544426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8061.544426][ T903] ip6_route_add+0x1c/0x140 [ 8061.544426][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8061.544426][ T903] inet6_addr_add+0x4f8/0xa40 [ 8061.544426][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8061.544426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.544426][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.544426][ T903] netlink_unicast+0x449/0x710 [ 8061.544426][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.544426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.544426][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.544426][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.544426][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.544426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8061.544426][ T903] [ 8061.546656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8061.546656][ T903] netdev_get_by_index+0x5e/0x80 [ 8061.546656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8061.546656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8061.546656][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8061.546656][ T903] ipv6_add_addr+0x411/0x2000 [ 8061.546656][ T903] inet6_addr_add+0x30e/0xa40 [ 8061.546656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8061.546656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.546656][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.546656][ T903] netlink_unicast+0x449/0x710 [ 8061.546656][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.546656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.546656][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.546656][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.546656][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.546656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8061.546656][ T903] [ 8061.548873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8061.548873][ T903] netdev_get_by_index+0x5e/0x80 [ 8061.548873][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8061.548873][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8061.548873][ T903] ip6_route_add+0x1c/0x140 [ 8061.548873][ T903] addrconf_add_mroute+0x129/0x180 [ 8061.548873][ T903] addrconf_add_dev+0xe2/0x170 [ 8061.548873][ T903] inet6_addr_add+0x12f/0xa40 [ 8061.548873][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8061.548873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.548873][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.548873][ T903] netlink_unicast+0x449/0x710 [ 8061.548873][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.548873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.548873][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.548873][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.548873][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.548873][ T903] [ 8061.551077][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8061.551077][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8061.551077][ T903] ipv6_find_idev+0x102/0x170 [ 8061.551077][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8061.551077][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.551077][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.551077][ T903] netlink_unicast+0x449/0x710 [ 8061.551077][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.551077][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.551077][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.551077][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.551077][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.551077][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8061.551077][ T903] [ 8061.552783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8061.552783][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8061.552783][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8061.552783][ T903] ipv6_find_idev+0x102/0x170 [ 8061.552783][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8061.552783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8061.552783][ T903] netlink_rcv_skb+0x130/0x360 [ 8061.552783][ T903] netlink_unicast+0x449/0x710 [ 8061.552783][ T903] netlink_sendmsg+0x723/0xbe0 [ 8061.552783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8061.552783][ T903] ___sys_sendmsg+0xee/0x170 [ 8061.552783][ T903] __sys_sendmsg+0xcd/0x170 [ 8061.552783][ T903] do_syscall_64+0xc6/0x1e0 [ 8061.552783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8061.552783][ T903] [ 8071.581815][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8071.582283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8071.582283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8071.582283][ T903] ip6_validate_gw+0x3eb/0x790 [ 8071.582283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8071.582283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8071.582283][ T903] ip6_route_add+0x1c/0x140 [ 8071.582283][ T903] inet6_rtm_newroute+0x104/0x110 [ 8071.582283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.582283][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.582283][ T903] netlink_unicast+0x449/0x710 [ 8071.582283][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.582283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.582283][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.582283][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.582283][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.582283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8071.582283][ T903] [ 8071.584408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8071.584408][ T903] netdev_get_by_index+0x5e/0x80 [ 8071.584408][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8071.584408][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8071.584408][ T903] ip6_route_add+0x1c/0x140 [ 8071.584408][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8071.584408][ T903] inet6_addr_add+0x4f8/0xa40 [ 8071.584408][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8071.584408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.584408][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.584408][ T903] netlink_unicast+0x449/0x710 [ 8071.584408][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.584408][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.584408][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.584408][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.584408][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.584408][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8071.584408][ T903] [ 8071.586649][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8071.586649][ T903] netdev_get_by_index+0x5e/0x80 [ 8071.586649][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8071.586649][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8071.586649][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8071.586649][ T903] ipv6_add_addr+0x411/0x2000 [ 8071.586649][ T903] inet6_addr_add+0x30e/0xa40 [ 8071.586649][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8071.586649][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.586649][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.586649][ T903] netlink_unicast+0x449/0x710 [ 8071.586649][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.586649][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.586649][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.586649][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.586649][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.586649][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8071.586649][ T903] [ 8071.588865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8071.588865][ T903] netdev_get_by_index+0x5e/0x80 [ 8071.588865][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8071.588865][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8071.588865][ T903] ip6_route_add+0x1c/0x140 [ 8071.588865][ T903] addrconf_add_mroute+0x129/0x180 [ 8071.588865][ T903] addrconf_add_dev+0xe2/0x170 [ 8071.588865][ T903] inet6_addr_add+0x12f/0xa40 [ 8071.588865][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8071.588865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.588865][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.588865][ T903] netlink_unicast+0x449/0x710 [ 8071.588865][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.588865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.588865][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.588865][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.588865][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.588865][ T903] [ 8071.591550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8071.591550][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8071.591550][ T903] ipv6_find_idev+0x102/0x170 [ 8071.591550][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8071.591550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.591550][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.591550][ T903] netlink_unicast+0x449/0x710 [ 8071.591550][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.591550][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.591550][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.591550][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.591550][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.591550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8071.591550][ T903] [ 8071.593258][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8071.593258][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8071.593258][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8071.593258][ T903] ipv6_find_idev+0x102/0x170 [ 8071.593258][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8071.593258][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8071.593258][ T903] netlink_rcv_skb+0x130/0x360 [ 8071.593258][ T903] netlink_unicast+0x449/0x710 [ 8071.593258][ T903] netlink_sendmsg+0x723/0xbe0 [ 8071.593258][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8071.593258][ T903] ___sys_sendmsg+0xee/0x170 [ 8071.593258][ T903] __sys_sendmsg+0xcd/0x170 [ 8071.593258][ T903] do_syscall_64+0xc6/0x1e0 [ 8071.593258][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8071.593258][ T903] [ 8081.837860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8081.838417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8081.838417][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8081.838417][ T903] ip6_validate_gw+0x3eb/0x790 [ 8081.838417][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8081.838417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8081.838417][ T903] ip6_route_add+0x1c/0x140 [ 8081.838417][ T903] inet6_rtm_newroute+0x104/0x110 [ 8081.838417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.838417][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.838417][ T903] netlink_unicast+0x449/0x710 [ 8081.838417][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.838417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.838417][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.838417][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.838417][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.838417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8081.838417][ T903] [ 8081.840542][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8081.840542][ T903] netdev_get_by_index+0x5e/0x80 [ 8081.840542][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8081.840542][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8081.840542][ T903] ip6_route_add+0x1c/0x140 [ 8081.840542][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8081.840542][ T903] inet6_addr_add+0x4f8/0xa40 [ 8081.840542][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8081.840542][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.840542][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.840542][ T903] netlink_unicast+0x449/0x710 [ 8081.840542][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.840542][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.840542][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.840542][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.840542][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.840542][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8081.840542][ T903] [ 8081.842763][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8081.842763][ T903] netdev_get_by_index+0x5e/0x80 [ 8081.842763][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8081.842763][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8081.842763][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8081.842763][ T903] ipv6_add_addr+0x411/0x2000 [ 8081.842763][ T903] inet6_addr_add+0x30e/0xa40 [ 8081.842763][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8081.842763][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.842763][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.842763][ T903] netlink_unicast+0x449/0x710 [ 8081.842763][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.842763][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.842763][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.842763][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.842763][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.842763][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8081.842763][ T903] [ 8081.844985][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8081.844985][ T903] netdev_get_by_index+0x5e/0x80 [ 8081.844985][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8081.844985][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8081.844985][ T903] ip6_route_add+0x1c/0x140 [ 8081.844985][ T903] addrconf_add_mroute+0x129/0x180 [ 8081.844985][ T903] addrconf_add_dev+0xe2/0x170 [ 8081.844985][ T903] inet6_addr_add+0x12f/0xa40 [ 8081.844985][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8081.844985][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.844985][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.844985][ T903] netlink_unicast+0x449/0x710 [ 8081.844985][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.844985][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.844985][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.844985][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.844985][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.844985][ T903] [ 8081.847209][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8081.847209][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8081.847209][ T903] ipv6_find_idev+0x102/0x170 [ 8081.847209][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8081.847209][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.847209][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.847209][ T903] netlink_unicast+0x449/0x710 [ 8081.847209][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.847209][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.847209][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.847209][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.847209][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.847209][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8081.847209][ T903] [ 8081.848911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8081.848911][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8081.848911][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8081.848911][ T903] ipv6_find_idev+0x102/0x170 [ 8081.848911][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8081.848911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8081.848911][ T903] netlink_rcv_skb+0x130/0x360 [ 8081.848911][ T903] netlink_unicast+0x449/0x710 [ 8081.848911][ T903] netlink_sendmsg+0x723/0xbe0 [ 8081.848911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8081.848911][ T903] ___sys_sendmsg+0xee/0x170 [ 8081.848911][ T903] __sys_sendmsg+0xcd/0x170 [ 8081.848911][ T903] do_syscall_64+0xc6/0x1e0 [ 8081.848911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8081.848911][ T903] [ 8092.053808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8092.054268][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8092.054268][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8092.054268][ T903] ip6_validate_gw+0x3eb/0x790 [ 8092.054268][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8092.054268][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8092.054268][ T903] ip6_route_add+0x1c/0x140 [ 8092.054268][ T903] inet6_rtm_newroute+0x104/0x110 [ 8092.054268][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.054268][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.054268][ T903] netlink_unicast+0x449/0x710 [ 8092.054268][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.054268][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.054268][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.054268][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.054268][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.054268][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8092.054268][ T903] [ 8092.056384][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8092.056384][ T903] netdev_get_by_index+0x5e/0x80 [ 8092.056384][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8092.056384][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8092.056384][ T903] ip6_route_add+0x1c/0x140 [ 8092.056384][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8092.056384][ T903] inet6_addr_add+0x4f8/0xa40 [ 8092.056384][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8092.056384][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.056384][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.056384][ T903] netlink_unicast+0x449/0x710 [ 8092.056384][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.056384][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.056384][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.056384][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.056384][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.056384][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8092.056384][ T903] [ 8092.058593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8092.058593][ T903] netdev_get_by_index+0x5e/0x80 [ 8092.058593][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8092.058593][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8092.058593][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8092.058593][ T903] ipv6_add_addr+0x411/0x2000 [ 8092.058593][ T903] inet6_addr_add+0x30e/0xa40 [ 8092.058593][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8092.058593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.058593][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.058593][ T903] netlink_unicast+0x449/0x710 [ 8092.058593][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.058593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.058593][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.058593][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.058593][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.058593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8092.058593][ T903] [ 8092.060800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8092.060800][ T903] netdev_get_by_index+0x5e/0x80 [ 8092.060800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8092.060800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8092.060800][ T903] ip6_route_add+0x1c/0x140 [ 8092.060800][ T903] addrconf_add_mroute+0x129/0x180 [ 8092.060800][ T903] addrconf_add_dev+0xe2/0x170 [ 8092.060800][ T903] inet6_addr_add+0x12f/0xa40 [ 8092.060800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8092.060800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.060800][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.060800][ T903] netlink_unicast+0x449/0x710 [ 8092.060800][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.060800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.060800][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.060800][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.060800][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.060800][ T903] [ 8092.062975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8092.062975][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8092.062975][ T903] ipv6_find_idev+0x102/0x170 [ 8092.062975][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8092.062975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.062975][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.062975][ T903] netlink_unicast+0x449/0x710 [ 8092.062975][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.062975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.062975][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.062975][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.062975][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.062975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8092.062975][ T903] [ 8092.064673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8092.064673][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8092.064673][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8092.064673][ T903] ipv6_find_idev+0x102/0x170 [ 8092.064673][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8092.064673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8092.064673][ T903] netlink_rcv_skb+0x130/0x360 [ 8092.064673][ T903] netlink_unicast+0x449/0x710 [ 8092.064673][ T903] netlink_sendmsg+0x723/0xbe0 [ 8092.064673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8092.064673][ T903] ___sys_sendmsg+0xee/0x170 [ 8092.064673][ T903] __sys_sendmsg+0xcd/0x170 [ 8092.064673][ T903] do_syscall_64+0xc6/0x1e0 [ 8092.064673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8092.064673][ T903] [ 8102.101805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8102.102271][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8102.102271][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8102.102271][ T903] ip6_validate_gw+0x3eb/0x790 [ 8102.102271][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8102.102271][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8102.102271][ T903] ip6_route_add+0x1c/0x140 [ 8102.102271][ T903] inet6_rtm_newroute+0x104/0x110 [ 8102.102271][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.102271][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.102271][ T903] netlink_unicast+0x449/0x710 [ 8102.102271][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.102271][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.102271][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.102271][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.102271][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.102271][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8102.102271][ T903] [ 8102.104380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8102.104380][ T903] netdev_get_by_index+0x5e/0x80 [ 8102.104380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8102.104380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8102.104380][ T903] ip6_route_add+0x1c/0x140 [ 8102.104380][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8102.104380][ T903] inet6_addr_add+0x4f8/0xa40 [ 8102.104380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8102.104380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.104380][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.104380][ T903] netlink_unicast+0x449/0x710 [ 8102.104380][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.104380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.104380][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.104380][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.104380][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.104380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8102.104380][ T903] [ 8102.106605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8102.106605][ T903] netdev_get_by_index+0x5e/0x80 [ 8102.106605][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8102.106605][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8102.106605][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8102.106605][ T903] ipv6_add_addr+0x411/0x2000 [ 8102.106605][ T903] inet6_addr_add+0x30e/0xa40 [ 8102.106605][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8102.106605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.106605][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.106605][ T903] netlink_unicast+0x449/0x710 [ 8102.106605][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.106605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.106605][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.106605][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.106605][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.106605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8102.106605][ T903] [ 8102.108816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8102.108816][ T903] netdev_get_by_index+0x5e/0x80 [ 8102.108816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8102.108816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8102.108816][ T903] ip6_route_add+0x1c/0x140 [ 8102.108816][ T903] addrconf_add_mroute+0x129/0x180 [ 8102.108816][ T903] addrconf_add_dev+0xe2/0x170 [ 8102.108816][ T903] inet6_addr_add+0x12f/0xa40 [ 8102.108816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8102.108816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.108816][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.108816][ T903] netlink_unicast+0x449/0x710 [ 8102.108816][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.108816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.108816][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.108816][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.108816][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.108816][ T903] [ 8102.110997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8102.110997][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8102.110997][ T903] ipv6_find_idev+0x102/0x170 [ 8102.110997][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8102.110997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.110997][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.110997][ T903] netlink_unicast+0x449/0x710 [ 8102.110997][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.110997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.110997][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.110997][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.110997][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.110997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8102.110997][ T903] [ 8102.112700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8102.112700][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8102.112700][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8102.112700][ T903] ipv6_find_idev+0x102/0x170 [ 8102.112700][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8102.112700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8102.112700][ T903] netlink_rcv_skb+0x130/0x360 [ 8102.112700][ T903] netlink_unicast+0x449/0x710 [ 8102.112700][ T903] netlink_sendmsg+0x723/0xbe0 [ 8102.112700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8102.112700][ T903] ___sys_sendmsg+0xee/0x170 [ 8102.112700][ T903] __sys_sendmsg+0xcd/0x170 [ 8102.112700][ T903] do_syscall_64+0xc6/0x1e0 [ 8102.112700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8102.112700][ T903] [ 8112.349857][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8112.350403][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8112.350403][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8112.350403][ T903] ip6_validate_gw+0x3eb/0x790 [ 8112.350403][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8112.350403][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8112.350403][ T903] ip6_route_add+0x1c/0x140 [ 8112.350403][ T903] inet6_rtm_newroute+0x104/0x110 [ 8112.350403][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.350403][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.350403][ T903] netlink_unicast+0x449/0x710 [ 8112.350403][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.350403][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.350403][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.350403][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.350403][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.350403][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8112.350403][ T903] [ 8112.352522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8112.352522][ T903] netdev_get_by_index+0x5e/0x80 [ 8112.352522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8112.352522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8112.352522][ T903] ip6_route_add+0x1c/0x140 [ 8112.352522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8112.352522][ T903] inet6_addr_add+0x4f8/0xa40 [ 8112.352522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8112.352522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.352522][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.352522][ T903] netlink_unicast+0x449/0x710 [ 8112.352522][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.352522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.352522][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.352522][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.352522][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.352522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8112.352522][ T903] [ 8112.355263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8112.355263][ T903] netdev_get_by_index+0x5e/0x80 [ 8112.355263][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8112.355263][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8112.355263][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8112.355263][ T903] ipv6_add_addr+0x411/0x2000 [ 8112.355263][ T903] inet6_addr_add+0x30e/0xa40 [ 8112.355263][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8112.355263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.355263][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.355263][ T903] netlink_unicast+0x449/0x710 [ 8112.355263][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.355263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.355263][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.355263][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.355263][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.355263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8112.355263][ T903] [ 8112.357479][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8112.357479][ T903] netdev_get_by_index+0x5e/0x80 [ 8112.357479][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8112.357479][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8112.357479][ T903] ip6_route_add+0x1c/0x140 [ 8112.357479][ T903] addrconf_add_mroute+0x129/0x180 [ 8112.357479][ T903] addrconf_add_dev+0xe2/0x170 [ 8112.357479][ T903] inet6_addr_add+0x12f/0xa40 [ 8112.357479][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8112.357479][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.357479][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.357479][ T903] netlink_unicast+0x449/0x710 [ 8112.357479][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.357479][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.357479][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.357479][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.357479][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.357479][ T903] [ 8112.359656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8112.359656][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8112.359656][ T903] ipv6_find_idev+0x102/0x170 [ 8112.359656][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8112.359656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.359656][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.359656][ T903] netlink_unicast+0x449/0x710 [ 8112.359656][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.359656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.359656][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.359656][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.359656][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.359656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8112.359656][ T903] [ 8112.361357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8112.361357][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8112.361357][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8112.361357][ T903] ipv6_find_idev+0x102/0x170 [ 8112.361357][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8112.361357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8112.361357][ T903] netlink_rcv_skb+0x130/0x360 [ 8112.361357][ T903] netlink_unicast+0x449/0x710 [ 8112.361357][ T903] netlink_sendmsg+0x723/0xbe0 [ 8112.361357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8112.361357][ T903] ___sys_sendmsg+0xee/0x170 [ 8112.361357][ T903] __sys_sendmsg+0xcd/0x170 [ 8112.361357][ T903] do_syscall_64+0xc6/0x1e0 [ 8112.361357][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8112.361357][ T903] [ 8122.605807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8122.606247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8122.606247][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8122.606247][ T903] ip6_validate_gw+0x3eb/0x790 [ 8122.606247][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8122.606247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8122.606247][ T903] ip6_route_add+0x1c/0x140 [ 8122.606247][ T903] inet6_rtm_newroute+0x104/0x110 [ 8122.606247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.606247][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.606247][ T903] netlink_unicast+0x449/0x710 [ 8122.606247][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.606247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.606247][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.606247][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.606247][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.606247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8122.606247][ T903] [ 8122.608320][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8122.608320][ T903] netdev_get_by_index+0x5e/0x80 [ 8122.608320][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8122.608320][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8122.608320][ T903] ip6_route_add+0x1c/0x140 [ 8122.608320][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8122.608320][ T903] inet6_addr_add+0x4f8/0xa40 [ 8122.608320][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8122.608320][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.608320][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.608320][ T903] netlink_unicast+0x449/0x710 [ 8122.608320][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.608320][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.608320][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.608320][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.608320][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.608320][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8122.608320][ T903] [ 8122.610518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8122.610518][ T903] netdev_get_by_index+0x5e/0x80 [ 8122.610518][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8122.610518][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8122.610518][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8122.610518][ T903] ipv6_add_addr+0x411/0x2000 [ 8122.610518][ T903] inet6_addr_add+0x30e/0xa40 [ 8122.610518][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8122.610518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.610518][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.610518][ T903] netlink_unicast+0x449/0x710 [ 8122.610518][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.610518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.610518][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.610518][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.610518][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.610518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8122.610518][ T903] [ 8122.612697][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8122.612697][ T903] netdev_get_by_index+0x5e/0x80 [ 8122.612697][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8122.612697][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8122.612697][ T903] ip6_route_add+0x1c/0x140 [ 8122.612697][ T903] addrconf_add_mroute+0x129/0x180 [ 8122.612697][ T903] addrconf_add_dev+0xe2/0x170 [ 8122.612697][ T903] inet6_addr_add+0x12f/0xa40 [ 8122.612697][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8122.612697][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.612697][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.612697][ T903] netlink_unicast+0x449/0x710 [ 8122.612697][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.612697][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.612697][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.612697][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.612697][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.612697][ T903] [ 8122.614858][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8122.614858][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8122.614858][ T903] ipv6_find_idev+0x102/0x170 [ 8122.614858][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8122.614858][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.614858][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.614858][ T903] netlink_unicast+0x449/0x710 [ 8122.614858][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.614858][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.614858][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.614858][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.614858][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.614858][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8122.614858][ T903] [ 8122.616539][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8122.616539][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8122.616539][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8122.616539][ T903] ipv6_find_idev+0x102/0x170 [ 8122.616539][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8122.616539][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8122.616539][ T903] netlink_rcv_skb+0x130/0x360 [ 8122.616539][ T903] netlink_unicast+0x449/0x710 [ 8122.616539][ T903] netlink_sendmsg+0x723/0xbe0 [ 8122.616539][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8122.616539][ T903] ___sys_sendmsg+0xee/0x170 [ 8122.616539][ T903] __sys_sendmsg+0xcd/0x170 [ 8122.616539][ T903] do_syscall_64+0xc6/0x1e0 [ 8122.616539][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8122.616539][ T903] [ 8132.853818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8132.854330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8132.854330][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8132.854330][ T903] ip6_validate_gw+0x3eb/0x790 [ 8132.854330][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8132.854330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8132.854330][ T903] ip6_route_add+0x1c/0x140 [ 8132.854330][ T903] inet6_rtm_newroute+0x104/0x110 [ 8132.854330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.854330][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.854330][ T903] netlink_unicast+0x449/0x710 [ 8132.854330][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.854330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.854330][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.854330][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.854330][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.854330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8132.854330][ T903] [ 8132.856449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8132.856449][ T903] netdev_get_by_index+0x5e/0x80 [ 8132.856449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8132.856449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8132.856449][ T903] ip6_route_add+0x1c/0x140 [ 8132.856449][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8132.856449][ T903] inet6_addr_add+0x4f8/0xa40 [ 8132.856449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8132.856449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.856449][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.856449][ T903] netlink_unicast+0x449/0x710 [ 8132.856449][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.856449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.856449][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.856449][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.856449][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.856449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8132.856449][ T903] [ 8132.858646][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8132.858646][ T903] netdev_get_by_index+0x5e/0x80 [ 8132.858646][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8132.858646][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8132.858646][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8132.858646][ T903] ipv6_add_addr+0x411/0x2000 [ 8132.858646][ T903] inet6_addr_add+0x30e/0xa40 [ 8132.858646][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8132.858646][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.858646][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.858646][ T903] netlink_unicast+0x449/0x710 [ 8132.858646][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.858646][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.858646][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.858646][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.858646][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.858646][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8132.858646][ T903] [ 8132.860836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8132.860836][ T903] netdev_get_by_index+0x5e/0x80 [ 8132.860836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8132.860836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8132.860836][ T903] ip6_route_add+0x1c/0x140 [ 8132.860836][ T903] addrconf_add_mroute+0x129/0x180 [ 8132.860836][ T903] addrconf_add_dev+0xe2/0x170 [ 8132.860836][ T903] inet6_addr_add+0x12f/0xa40 [ 8132.860836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8132.860836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.860836][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.860836][ T903] netlink_unicast+0x449/0x710 [ 8132.860836][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.860836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.860836][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.860836][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.860836][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.860836][ T903] [ 8132.863002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8132.863002][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8132.863002][ T903] ipv6_find_idev+0x102/0x170 [ 8132.863002][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8132.863002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.863002][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.863002][ T903] netlink_unicast+0x449/0x710 [ 8132.863002][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.863002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.863002][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.863002][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.863002][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.863002][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8132.863002][ T903] [ 8132.864690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8132.864690][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8132.864690][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8132.864690][ T903] ipv6_find_idev+0x102/0x170 [ 8132.864690][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8132.864690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8132.864690][ T903] netlink_rcv_skb+0x130/0x360 [ 8132.864690][ T903] netlink_unicast+0x449/0x710 [ 8132.864690][ T903] netlink_sendmsg+0x723/0xbe0 [ 8132.864690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8132.864690][ T903] ___sys_sendmsg+0xee/0x170 [ 8132.864690][ T903] __sys_sendmsg+0xcd/0x170 [ 8132.864690][ T903] do_syscall_64+0xc6/0x1e0 [ 8132.864690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8132.864690][ T903] [ 8142.989853][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8142.990296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8142.990296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8142.990296][ T903] ip6_validate_gw+0x3eb/0x790 [ 8142.990296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8142.990296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8142.990296][ T903] ip6_route_add+0x1c/0x140 [ 8142.990296][ T903] inet6_rtm_newroute+0x104/0x110 [ 8142.990296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8142.990296][ T903] netlink_rcv_skb+0x130/0x360 [ 8142.990296][ T903] netlink_unicast+0x449/0x710 [ 8142.990296][ T903] netlink_sendmsg+0x723/0xbe0 [ 8142.990296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8142.990296][ T903] ___sys_sendmsg+0xee/0x170 [ 8142.990296][ T903] __sys_sendmsg+0xcd/0x170 [ 8142.990296][ T903] do_syscall_64+0xc6/0x1e0 [ 8142.990296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8142.990296][ T903] [ 8142.992400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8142.992400][ T903] netdev_get_by_index+0x5e/0x80 [ 8142.992400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8142.992400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8142.992400][ T903] ip6_route_add+0x1c/0x140 [ 8142.992400][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8142.992400][ T903] inet6_addr_add+0x4f8/0xa40 [ 8142.992400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8142.992400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8142.992400][ T903] netlink_rcv_skb+0x130/0x360 [ 8142.992400][ T903] netlink_unicast+0x449/0x710 [ 8142.992400][ T903] netlink_sendmsg+0x723/0xbe0 [ 8142.992400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8142.992400][ T903] ___sys_sendmsg+0xee/0x170 [ 8142.992400][ T903] __sys_sendmsg+0xcd/0x170 [ 8142.992400][ T903] do_syscall_64+0xc6/0x1e0 [ 8142.992400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8142.992400][ T903] [ 8142.994611][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8142.994611][ T903] netdev_get_by_index+0x5e/0x80 [ 8142.994611][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8142.994611][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8142.994611][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8142.994611][ T903] ipv6_add_addr+0x411/0x2000 [ 8142.994611][ T903] inet6_addr_add+0x30e/0xa40 [ 8142.994611][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8142.994611][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8142.994611][ T903] netlink_rcv_skb+0x130/0x360 [ 8142.994611][ T903] netlink_unicast+0x449/0x710 [ 8142.994611][ T903] netlink_sendmsg+0x723/0xbe0 [ 8142.994611][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8142.994611][ T903] ___sys_sendmsg+0xee/0x170 [ 8142.994611][ T903] __sys_sendmsg+0xcd/0x170 [ 8142.994611][ T903] do_syscall_64+0xc6/0x1e0 [ 8142.994611][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8142.994611][ T903] [ 8142.996810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8142.996810][ T903] netdev_get_by_index+0x5e/0x80 [ 8142.996810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8142.996810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8142.996810][ T903] ip6_route_add+0x1c/0x140 [ 8142.996810][ T903] addrconf_add_mroute+0x129/0x180 [ 8142.996810][ T903] addrconf_add_dev+0xe2/0x170 [ 8142.996810][ T903] inet6_addr_add+0x12f/0xa40 [ 8142.996810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8142.996810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8142.996810][ T903] netlink_rcv_skb+0x130/0x360 [ 8142.996810][ T903] netlink_unicast+0x449/0x710 [ 8142.996810][ T903] netlink_sendmsg+0x723/0xbe0 [ 8142.996810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8142.996810][ T903] ___sys_sendmsg+0xee/0x170 [ 8142.996810][ T903] __sys_sendmsg+0xcd/0x170 [ 8142.996810][ T903] do_syscall_64+0xc6/0x1e0 [ 8142.996810][ T903] [ 8142.998959][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8142.998959][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8142.998959][ T903] ipv6_find_idev+0x102/0x170 [ 8142.998959][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8142.998959][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8142.998959][ T903] netlink_rcv_skb+0x130/0x360 [ 8142.998959][ T903] netlink_unicast+0x449/0x710 [ 8142.998959][ T903] netlink_sendmsg+0x723/0xbe0 [ 8142.998959][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8142.998959][ T903] ___sys_sendmsg+0xee/0x170 [ 8142.998959][ T903] __sys_sendmsg+0xcd/0x170 [ 8142.998959][ T903] do_syscall_64+0xc6/0x1e0 [ 8142.998959][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8142.998959][ T903] [ 8143.000645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8143.000645][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8143.000645][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8143.000645][ T903] ipv6_find_idev+0x102/0x170 [ 8143.000645][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8143.000645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8143.000645][ T903] netlink_rcv_skb+0x130/0x360 [ 8143.000645][ T903] netlink_unicast+0x449/0x710 [ 8143.000645][ T903] netlink_sendmsg+0x723/0xbe0 [ 8143.000645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8143.000645][ T903] ___sys_sendmsg+0xee/0x170 [ 8143.000645][ T903] __sys_sendmsg+0xcd/0x170 [ 8143.000645][ T903] do_syscall_64+0xc6/0x1e0 [ 8143.000645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8143.000645][ T903] [ 8153.141814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8153.142325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8153.142325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8153.142325][ T903] ip6_validate_gw+0x3eb/0x790 [ 8153.142325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8153.142325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8153.142325][ T903] ip6_route_add+0x1c/0x140 [ 8153.142325][ T903] inet6_rtm_newroute+0x104/0x110 [ 8153.142325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.142325][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.142325][ T903] netlink_unicast+0x449/0x710 [ 8153.142325][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.142325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.142325][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.142325][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.142325][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.142325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8153.142325][ T903] [ 8153.144419][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8153.144419][ T903] netdev_get_by_index+0x5e/0x80 [ 8153.144419][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8153.144419][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8153.144419][ T903] ip6_route_add+0x1c/0x140 [ 8153.144419][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8153.144419][ T903] inet6_addr_add+0x4f8/0xa40 [ 8153.144419][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8153.144419][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.144419][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.144419][ T903] netlink_unicast+0x449/0x710 [ 8153.144419][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.144419][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.144419][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.144419][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.144419][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.144419][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8153.144419][ T903] [ 8153.146622][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8153.146622][ T903] netdev_get_by_index+0x5e/0x80 [ 8153.146622][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8153.146622][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8153.146622][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8153.146622][ T903] ipv6_add_addr+0x411/0x2000 [ 8153.146622][ T903] inet6_addr_add+0x30e/0xa40 [ 8153.146622][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8153.146622][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.146622][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.146622][ T903] netlink_unicast+0x449/0x710 [ 8153.146622][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.146622][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.146622][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.146622][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.146622][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.146622][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8153.146622][ T903] [ 8153.148807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8153.148807][ T903] netdev_get_by_index+0x5e/0x80 [ 8153.148807][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8153.148807][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8153.148807][ T903] ip6_route_add+0x1c/0x140 [ 8153.148807][ T903] addrconf_add_mroute+0x129/0x180 [ 8153.148807][ T903] addrconf_add_dev+0xe2/0x170 [ 8153.148807][ T903] inet6_addr_add+0x12f/0xa40 [ 8153.148807][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8153.148807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.148807][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.148807][ T903] netlink_unicast+0x449/0x710 [ 8153.148807][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.148807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.148807][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.148807][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.148807][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.148807][ T903] [ 8153.150958][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8153.150958][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8153.150958][ T903] ipv6_find_idev+0x102/0x170 [ 8153.150958][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8153.150958][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.150958][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.150958][ T903] netlink_unicast+0x449/0x710 [ 8153.150958][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.150958][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.150958][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.150958][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.150958][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.150958][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8153.150958][ T903] [ 8153.152641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8153.152641][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8153.152641][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8153.152641][ T903] ipv6_find_idev+0x102/0x170 [ 8153.152641][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8153.152641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8153.152641][ T903] netlink_rcv_skb+0x130/0x360 [ 8153.152641][ T903] netlink_unicast+0x449/0x710 [ 8153.152641][ T903] netlink_sendmsg+0x723/0xbe0 [ 8153.152641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8153.152641][ T903] ___sys_sendmsg+0xee/0x170 [ 8153.152641][ T903] __sys_sendmsg+0xcd/0x170 [ 8153.152641][ T903] do_syscall_64+0xc6/0x1e0 [ 8153.152641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8153.152641][ T903] [ 8163.389823][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8163.390382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8163.390382][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8163.390382][ T903] ip6_validate_gw+0x3eb/0x790 [ 8163.390382][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8163.390382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8163.390382][ T903] ip6_route_add+0x1c/0x140 [ 8163.390382][ T903] inet6_rtm_newroute+0x104/0x110 [ 8163.390382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.390382][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.390382][ T903] netlink_unicast+0x449/0x710 [ 8163.390382][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.390382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.390382][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.390382][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.390382][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.390382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8163.390382][ T903] [ 8163.393784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8163.393784][ T903] netdev_get_by_index+0x5e/0x80 [ 8163.393784][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8163.393784][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8163.393784][ T903] ip6_route_add+0x1c/0x140 [ 8163.393784][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8163.393784][ T903] inet6_addr_add+0x4f8/0xa40 [ 8163.393784][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8163.393784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.393784][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.393784][ T903] netlink_unicast+0x449/0x710 [ 8163.393784][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.393784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.393784][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.393784][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.393784][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.393784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8163.393784][ T903] [ 8163.397416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8163.397416][ T903] netdev_get_by_index+0x5e/0x80 [ 8163.397416][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8163.397416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8163.397416][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8163.397416][ T903] ipv6_add_addr+0x411/0x2000 [ 8163.397416][ T903] inet6_addr_add+0x30e/0xa40 [ 8163.397416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8163.397416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.397416][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.397416][ T903] netlink_unicast+0x449/0x710 [ 8163.397416][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.397416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.397416][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.397416][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.397416][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.397416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8163.397416][ T903] [ 8163.401031][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8163.401031][ T903] netdev_get_by_index+0x5e/0x80 [ 8163.401031][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8163.401031][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8163.401031][ T903] ip6_route_add+0x1c/0x140 [ 8163.401031][ T903] addrconf_add_mroute+0x129/0x180 [ 8163.401031][ T903] addrconf_add_dev+0xe2/0x170 [ 8163.401031][ T903] inet6_addr_add+0x12f/0xa40 [ 8163.401031][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8163.401031][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.401031][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.401031][ T903] netlink_unicast+0x449/0x710 [ 8163.401031][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.401031][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.401031][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.401031][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.401031][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.401031][ T903] [ 8163.404594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8163.404594][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8163.404594][ T903] ipv6_find_idev+0x102/0x170 [ 8163.404594][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8163.404594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.404594][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.404594][ T903] netlink_unicast+0x449/0x710 [ 8163.404594][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.404594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.404594][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.404594][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.404594][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.404594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8163.404594][ T903] [ 8163.407396][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8163.407396][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8163.407396][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8163.407396][ T903] ipv6_find_idev+0x102/0x170 [ 8163.407396][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8163.407396][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8163.407396][ T903] netlink_rcv_skb+0x130/0x360 [ 8163.407396][ T903] netlink_unicast+0x449/0x710 [ 8163.407396][ T903] netlink_sendmsg+0x723/0xbe0 [ 8163.407396][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8163.407396][ T903] ___sys_sendmsg+0xee/0x170 [ 8163.407396][ T903] __sys_sendmsg+0xcd/0x170 [ 8163.407396][ T903] do_syscall_64+0xc6/0x1e0 [ 8163.407396][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8163.407396][ T903] [ 8173.645845][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8173.646463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8173.646463][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8173.646463][ T903] ip6_validate_gw+0x3eb/0x790 [ 8173.646463][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8173.646463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8173.646463][ T903] ip6_route_add+0x1c/0x140 [ 8173.646463][ T903] inet6_rtm_newroute+0x104/0x110 [ 8173.646463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.646463][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.646463][ T903] netlink_unicast+0x449/0x710 [ 8173.646463][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.646463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.646463][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.646463][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.646463][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.646463][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8173.646463][ T903] [ 8173.649934][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8173.649934][ T903] netdev_get_by_index+0x5e/0x80 [ 8173.649934][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8173.649934][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8173.649934][ T903] ip6_route_add+0x1c/0x140 [ 8173.649934][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8173.649934][ T903] inet6_addr_add+0x4f8/0xa40 [ 8173.649934][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8173.649934][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.649934][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.649934][ T903] netlink_unicast+0x449/0x710 [ 8173.649934][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.649934][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.649934][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.649934][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.649934][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.649934][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8173.649934][ T903] [ 8173.654030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8173.654030][ T903] netdev_get_by_index+0x5e/0x80 [ 8173.654030][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8173.654030][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8173.654030][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8173.654030][ T903] ipv6_add_addr+0x411/0x2000 [ 8173.654030][ T903] inet6_addr_add+0x30e/0xa40 [ 8173.654030][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8173.654030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.654030][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.654030][ T903] netlink_unicast+0x449/0x710 [ 8173.654030][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.654030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.654030][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.654030][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.654030][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.654030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8173.654030][ T903] [ 8173.657662][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8173.657662][ T903] netdev_get_by_index+0x5e/0x80 [ 8173.657662][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8173.657662][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8173.657662][ T903] ip6_route_add+0x1c/0x140 [ 8173.657662][ T903] addrconf_add_mroute+0x129/0x180 [ 8173.657662][ T903] addrconf_add_dev+0xe2/0x170 [ 8173.657662][ T903] inet6_addr_add+0x12f/0xa40 [ 8173.657662][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8173.657662][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.657662][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.657662][ T903] netlink_unicast+0x449/0x710 [ 8173.657662][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.657662][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.657662][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.657662][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.657662][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.657662][ T903] [ 8173.661231][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8173.661231][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8173.661231][ T903] ipv6_find_idev+0x102/0x170 [ 8173.661231][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8173.661231][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.661231][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.661231][ T903] netlink_unicast+0x449/0x710 [ 8173.661231][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.661231][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.661231][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.661231][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.661231][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.661231][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8173.661231][ T903] [ 8173.664024][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8173.664024][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8173.664024][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8173.664024][ T903] ipv6_find_idev+0x102/0x170 [ 8173.664024][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8173.664024][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8173.664024][ T903] netlink_rcv_skb+0x130/0x360 [ 8173.664024][ T903] netlink_unicast+0x449/0x710 [ 8173.664024][ T903] netlink_sendmsg+0x723/0xbe0 [ 8173.664024][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8173.664024][ T903] ___sys_sendmsg+0xee/0x170 [ 8173.664024][ T903] __sys_sendmsg+0xcd/0x170 [ 8173.664024][ T903] do_syscall_64+0xc6/0x1e0 [ 8173.664024][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8173.664024][ T903] [ 8183.909873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8183.910385][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8183.910385][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8183.910385][ T903] ip6_validate_gw+0x3eb/0x790 [ 8183.910385][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8183.910385][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8183.910385][ T903] ip6_route_add+0x1c/0x140 [ 8183.910385][ T903] inet6_rtm_newroute+0x104/0x110 [ 8183.910385][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.910385][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.910385][ T903] netlink_unicast+0x449/0x710 [ 8183.910385][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.910385][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.910385][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.910385][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.910385][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.910385][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8183.910385][ T903] [ 8183.912488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8183.912488][ T903] netdev_get_by_index+0x5e/0x80 [ 8183.912488][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8183.912488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8183.912488][ T903] ip6_route_add+0x1c/0x140 [ 8183.912488][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8183.912488][ T903] inet6_addr_add+0x4f8/0xa40 [ 8183.912488][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8183.912488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.912488][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.912488][ T903] netlink_unicast+0x449/0x710 [ 8183.912488][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.912488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.912488][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.912488][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.912488][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.912488][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8183.912488][ T903] [ 8183.914702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8183.914702][ T903] netdev_get_by_index+0x5e/0x80 [ 8183.914702][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8183.914702][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8183.914702][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8183.914702][ T903] ipv6_add_addr+0x411/0x2000 [ 8183.914702][ T903] inet6_addr_add+0x30e/0xa40 [ 8183.914702][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8183.914702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.914702][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.914702][ T903] netlink_unicast+0x449/0x710 [ 8183.914702][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.914702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.914702][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.914702][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.914702][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.914702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8183.914702][ T903] [ 8183.916896][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8183.916896][ T903] netdev_get_by_index+0x5e/0x80 [ 8183.916896][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8183.916896][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8183.916896][ T903] ip6_route_add+0x1c/0x140 [ 8183.916896][ T903] addrconf_add_mroute+0x129/0x180 [ 8183.916896][ T903] addrconf_add_dev+0xe2/0x170 [ 8183.916896][ T903] inet6_addr_add+0x12f/0xa40 [ 8183.916896][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8183.916896][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.916896][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.916896][ T903] netlink_unicast+0x449/0x710 [ 8183.916896][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.916896][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.916896][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.916896][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.916896][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.916896][ T903] [ 8183.919053][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8183.919053][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8183.919053][ T903] ipv6_find_idev+0x102/0x170 [ 8183.919053][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8183.919053][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.919053][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.919053][ T903] netlink_unicast+0x449/0x710 [ 8183.919053][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.919053][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.919053][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.919053][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.919053][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.919053][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8183.919053][ T903] [ 8183.920743][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8183.920743][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8183.920743][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8183.920743][ T903] ipv6_find_idev+0x102/0x170 [ 8183.920743][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8183.920743][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8183.920743][ T903] netlink_rcv_skb+0x130/0x360 [ 8183.920743][ T903] netlink_unicast+0x449/0x710 [ 8183.920743][ T903] netlink_sendmsg+0x723/0xbe0 [ 8183.920743][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8183.920743][ T903] ___sys_sendmsg+0xee/0x170 [ 8183.920743][ T903] __sys_sendmsg+0xcd/0x170 [ 8183.920743][ T903] do_syscall_64+0xc6/0x1e0 [ 8183.920743][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8183.920743][ T903] [ 8194.157821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8194.158332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8194.158332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8194.158332][ T903] ip6_validate_gw+0x3eb/0x790 [ 8194.158332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8194.158332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8194.158332][ T903] ip6_route_add+0x1c/0x140 [ 8194.158332][ T903] inet6_rtm_newroute+0x104/0x110 [ 8194.158332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.158332][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.158332][ T903] netlink_unicast+0x449/0x710 [ 8194.158332][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.158332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.158332][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.158332][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.158332][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.158332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8194.158332][ T903] [ 8194.160433][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8194.160433][ T903] netdev_get_by_index+0x5e/0x80 [ 8194.160433][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8194.160433][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8194.160433][ T903] ip6_route_add+0x1c/0x140 [ 8194.160433][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8194.160433][ T903] inet6_addr_add+0x4f8/0xa40 [ 8194.160433][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8194.160433][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.160433][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.160433][ T903] netlink_unicast+0x449/0x710 [ 8194.160433][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.160433][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.160433][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.160433][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.160433][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.160433][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8194.160433][ T903] [ 8194.162635][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8194.162635][ T903] netdev_get_by_index+0x5e/0x80 [ 8194.162635][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8194.162635][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8194.162635][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8194.162635][ T903] ipv6_add_addr+0x411/0x2000 [ 8194.162635][ T903] inet6_addr_add+0x30e/0xa40 [ 8194.162635][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8194.162635][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.162635][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.162635][ T903] netlink_unicast+0x449/0x710 [ 8194.162635][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.162635][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.162635][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.162635][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.162635][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.162635][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8194.162635][ T903] [ 8194.164837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8194.164837][ T903] netdev_get_by_index+0x5e/0x80 [ 8194.164837][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8194.164837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8194.164837][ T903] ip6_route_add+0x1c/0x140 [ 8194.164837][ T903] addrconf_add_mroute+0x129/0x180 [ 8194.164837][ T903] addrconf_add_dev+0xe2/0x170 [ 8194.164837][ T903] inet6_addr_add+0x12f/0xa40 [ 8194.164837][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8194.164837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.164837][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.164837][ T903] netlink_unicast+0x449/0x710 [ 8194.164837][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.164837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.164837][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.164837][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.164837][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.164837][ T903] [ 8194.166993][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8194.166993][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8194.166993][ T903] ipv6_find_idev+0x102/0x170 [ 8194.166993][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8194.166993][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.166993][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.166993][ T903] netlink_unicast+0x449/0x710 [ 8194.166993][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.166993][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.166993][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.166993][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.166993][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.166993][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8194.166993][ T903] [ 8194.169557][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8194.169557][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8194.169557][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8194.169557][ T903] ipv6_find_idev+0x102/0x170 [ 8194.169557][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8194.169557][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8194.169557][ T903] netlink_rcv_skb+0x130/0x360 [ 8194.169557][ T903] netlink_unicast+0x449/0x710 [ 8194.169557][ T903] netlink_sendmsg+0x723/0xbe0 [ 8194.169557][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8194.169557][ T903] ___sys_sendmsg+0xee/0x170 [ 8194.169557][ T903] __sys_sendmsg+0xcd/0x170 [ 8194.169557][ T903] do_syscall_64+0xc6/0x1e0 [ 8194.169557][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8194.169557][ T903] [ 8204.373825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8204.374365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8204.374365][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8204.374365][ T903] ip6_validate_gw+0x3eb/0x790 [ 8204.374365][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8204.374365][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8204.374365][ T903] ip6_route_add+0x1c/0x140 [ 8204.374365][ T903] inet6_rtm_newroute+0x104/0x110 [ 8204.374365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.374365][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.374365][ T903] netlink_unicast+0x449/0x710 [ 8204.374365][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.374365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.374365][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.374365][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.374365][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.374365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8204.374365][ T903] [ 8204.376508][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8204.376508][ T903] netdev_get_by_index+0x5e/0x80 [ 8204.376508][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8204.376508][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8204.376508][ T903] ip6_route_add+0x1c/0x140 [ 8204.376508][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8204.376508][ T903] inet6_addr_add+0x4f8/0xa40 [ 8204.376508][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8204.376508][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.376508][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.376508][ T903] netlink_unicast+0x449/0x710 [ 8204.376508][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.376508][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.376508][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.376508][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.376508][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.376508][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8204.376508][ T903] [ 8204.378725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8204.378725][ T903] netdev_get_by_index+0x5e/0x80 [ 8204.378725][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8204.378725][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8204.378725][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8204.378725][ T903] ipv6_add_addr+0x411/0x2000 [ 8204.378725][ T903] inet6_addr_add+0x30e/0xa40 [ 8204.378725][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8204.378725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.378725][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.378725][ T903] netlink_unicast+0x449/0x710 [ 8204.378725][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.378725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.378725][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.378725][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.378725][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.378725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8204.378725][ T903] [ 8204.380948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8204.380948][ T903] netdev_get_by_index+0x5e/0x80 [ 8204.380948][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8204.380948][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8204.380948][ T903] ip6_route_add+0x1c/0x140 [ 8204.380948][ T903] addrconf_add_mroute+0x129/0x180 [ 8204.380948][ T903] addrconf_add_dev+0xe2/0x170 [ 8204.380948][ T903] inet6_addr_add+0x12f/0xa40 [ 8204.380948][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8204.380948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.380948][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.380948][ T903] netlink_unicast+0x449/0x710 [ 8204.380948][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.380948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.380948][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.380948][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.380948][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.380948][ T903] [ 8204.383138][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8204.383138][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8204.383138][ T903] ipv6_find_idev+0x102/0x170 [ 8204.383138][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8204.383138][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.383138][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.383138][ T903] netlink_unicast+0x449/0x710 [ 8204.383138][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.383138][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.383138][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.383138][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.383138][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.383138][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8204.383138][ T903] [ 8204.384847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8204.384847][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8204.384847][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8204.384847][ T903] ipv6_find_idev+0x102/0x170 [ 8204.384847][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8204.384847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8204.384847][ T903] netlink_rcv_skb+0x130/0x360 [ 8204.384847][ T903] netlink_unicast+0x449/0x710 [ 8204.384847][ T903] netlink_sendmsg+0x723/0xbe0 [ 8204.384847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8204.384847][ T903] ___sys_sendmsg+0xee/0x170 [ 8204.384847][ T903] __sys_sendmsg+0xcd/0x170 [ 8204.384847][ T903] do_syscall_64+0xc6/0x1e0 [ 8204.384847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8204.384847][ T903] [ 8214.405741][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8214.406223][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8214.406223][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8214.406223][ T903] ip6_validate_gw+0x3eb/0x790 [ 8214.406223][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8214.406223][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8214.406223][ T903] ip6_route_add+0x1c/0x140 [ 8214.406223][ T903] inet6_rtm_newroute+0x104/0x110 [ 8214.406223][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.406223][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.406223][ T903] netlink_unicast+0x449/0x710 [ 8214.406223][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.406223][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.406223][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.406223][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.406223][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.406223][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8214.406223][ T903] [ 8214.408342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8214.408342][ T903] netdev_get_by_index+0x5e/0x80 [ 8214.408342][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8214.408342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8214.408342][ T903] ip6_route_add+0x1c/0x140 [ 8214.408342][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8214.408342][ T903] inet6_addr_add+0x4f8/0xa40 [ 8214.408342][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8214.408342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.408342][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.408342][ T903] netlink_unicast+0x449/0x710 [ 8214.408342][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.408342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.408342][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.408342][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.408342][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.408342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8214.408342][ T903] [ 8214.410560][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8214.410560][ T903] netdev_get_by_index+0x5e/0x80 [ 8214.410560][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8214.410560][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8214.410560][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8214.410560][ T903] ipv6_add_addr+0x411/0x2000 [ 8214.410560][ T903] inet6_addr_add+0x30e/0xa40 [ 8214.410560][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8214.410560][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.410560][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.410560][ T903] netlink_unicast+0x449/0x710 [ 8214.410560][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.410560][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.410560][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.410560][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.410560][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.410560][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8214.410560][ T903] [ 8214.412780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8214.412780][ T903] netdev_get_by_index+0x5e/0x80 [ 8214.412780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8214.412780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8214.412780][ T903] ip6_route_add+0x1c/0x140 [ 8214.412780][ T903] addrconf_add_mroute+0x129/0x180 [ 8214.412780][ T903] addrconf_add_dev+0xe2/0x170 [ 8214.412780][ T903] inet6_addr_add+0x12f/0xa40 [ 8214.412780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8214.412780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.412780][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.412780][ T903] netlink_unicast+0x449/0x710 [ 8214.412780][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.412780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.412780][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.412780][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.412780][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.412780][ T903] [ 8214.414967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8214.414967][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8214.414967][ T903] ipv6_find_idev+0x102/0x170 [ 8214.414967][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8214.414967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.414967][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.414967][ T903] netlink_unicast+0x449/0x710 [ 8214.414967][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.414967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.414967][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.414967][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.414967][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.414967][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8214.414967][ T903] [ 8214.416673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8214.416673][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8214.416673][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8214.416673][ T903] ipv6_find_idev+0x102/0x170 [ 8214.416673][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8214.416673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8214.416673][ T903] netlink_rcv_skb+0x130/0x360 [ 8214.416673][ T903] netlink_unicast+0x449/0x710 [ 8214.416673][ T903] netlink_sendmsg+0x723/0xbe0 [ 8214.416673][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8214.416673][ T903] ___sys_sendmsg+0xee/0x170 [ 8214.416673][ T903] __sys_sendmsg+0xcd/0x170 [ 8214.416673][ T903] do_syscall_64+0xc6/0x1e0 [ 8214.416673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8214.416673][ T903] [ 8224.653832][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8224.654296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8224.654296][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8224.654296][ T903] ip6_validate_gw+0x3eb/0x790 [ 8224.654296][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8224.654296][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8224.654296][ T903] ip6_route_add+0x1c/0x140 [ 8224.654296][ T903] inet6_rtm_newroute+0x104/0x110 [ 8224.654296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.654296][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.654296][ T903] netlink_unicast+0x449/0x710 [ 8224.654296][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.654296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.654296][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.654296][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.654296][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.654296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8224.654296][ T903] [ 8224.656437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8224.656437][ T903] netdev_get_by_index+0x5e/0x80 [ 8224.656437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8224.656437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8224.656437][ T903] ip6_route_add+0x1c/0x140 [ 8224.656437][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8224.656437][ T903] inet6_addr_add+0x4f8/0xa40 [ 8224.656437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8224.656437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.656437][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.656437][ T903] netlink_unicast+0x449/0x710 [ 8224.656437][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.656437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.656437][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.656437][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.656437][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.656437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8224.656437][ T903] [ 8224.658671][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8224.658671][ T903] netdev_get_by_index+0x5e/0x80 [ 8224.658671][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8224.658671][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8224.658671][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8224.658671][ T903] ipv6_add_addr+0x411/0x2000 [ 8224.658671][ T903] inet6_addr_add+0x30e/0xa40 [ 8224.658671][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8224.658671][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.658671][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.658671][ T903] netlink_unicast+0x449/0x710 [ 8224.658671][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.658671][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.658671][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.658671][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.658671][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.658671][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8224.658671][ T903] [ 8224.660897][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8224.660897][ T903] netdev_get_by_index+0x5e/0x80 [ 8224.660897][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8224.660897][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8224.660897][ T903] ip6_route_add+0x1c/0x140 [ 8224.660897][ T903] addrconf_add_mroute+0x129/0x180 [ 8224.660897][ T903] addrconf_add_dev+0xe2/0x170 [ 8224.660897][ T903] inet6_addr_add+0x12f/0xa40 [ 8224.660897][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8224.660897][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.660897][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.660897][ T903] netlink_unicast+0x449/0x710 [ 8224.660897][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.660897][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.660897][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.660897][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.660897][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.660897][ T903] [ 8224.663073][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8224.663073][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8224.663073][ T903] ipv6_find_idev+0x102/0x170 [ 8224.663073][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8224.663073][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.663073][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.663073][ T903] netlink_unicast+0x449/0x710 [ 8224.663073][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.663073][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.663073][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.663073][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.663073][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.663073][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8224.663073][ T903] [ 8224.664783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8224.664783][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8224.664783][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8224.664783][ T903] ipv6_find_idev+0x102/0x170 [ 8224.664783][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8224.664783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8224.664783][ T903] netlink_rcv_skb+0x130/0x360 [ 8224.664783][ T903] netlink_unicast+0x449/0x710 [ 8224.664783][ T903] netlink_sendmsg+0x723/0xbe0 [ 8224.664783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8224.664783][ T903] ___sys_sendmsg+0xee/0x170 [ 8224.664783][ T903] __sys_sendmsg+0xcd/0x170 [ 8224.664783][ T903] do_syscall_64+0xc6/0x1e0 [ 8224.664783][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8224.664783][ T903] [ 8234.901808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8234.902345][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8234.902345][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8234.902345][ T903] ip6_validate_gw+0x3eb/0x790 [ 8234.902345][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8234.902345][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8234.902345][ T903] ip6_route_add+0x1c/0x140 [ 8234.902345][ T903] inet6_rtm_newroute+0x104/0x110 [ 8234.902345][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.902345][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.902345][ T903] netlink_unicast+0x449/0x710 [ 8234.902345][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.902345][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.902345][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.902345][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.902345][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.902345][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.902345][ T903] [ 8234.904482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8234.904482][ T903] netdev_get_by_index+0x5e/0x80 [ 8234.904482][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8234.904482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8234.904482][ T903] ip6_route_add+0x1c/0x140 [ 8234.904482][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8234.904482][ T903] inet6_addr_add+0x4f8/0xa40 [ 8234.904482][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8234.904482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.904482][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.904482][ T903] netlink_unicast+0x449/0x710 [ 8234.904482][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.904482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.904482][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.904482][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.904482][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.904482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.904482][ T903] [ 8234.906704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8234.906704][ T903] netdev_get_by_index+0x5e/0x80 [ 8234.906704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8234.906704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8234.906704][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8234.906704][ T903] ipv6_add_addr+0x411/0x2000 [ 8234.906704][ T903] inet6_addr_add+0x30e/0xa40 [ 8234.906704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8234.906704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.906704][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.906704][ T903] netlink_unicast+0x449/0x710 [ 8234.906704][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.906704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.906704][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.906704][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.906704][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.906704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.906704][ T903] [ 8234.908921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8234.908921][ T903] netdev_get_by_index+0x5e/0x80 [ 8234.908921][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8234.908921][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8234.908921][ T903] ip6_route_add+0x1c/0x140 [ 8234.908921][ T903] addrconf_add_mroute+0x129/0x180 [ 8234.908921][ T903] addrconf_add_dev+0xe2/0x170 [ 8234.908921][ T903] inet6_addr_add+0x12f/0xa40 [ 8234.908921][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8234.908921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.908921][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.908921][ T903] netlink_unicast+0x449/0x710 [ 8234.908921][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.908921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.908921][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.908921][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.908921][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.908921][ T903] [ 8234.911101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8234.911101][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8234.911101][ T903] ipv6_find_idev+0x102/0x170 [ 8234.911101][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8234.911101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.911101][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.911101][ T903] netlink_unicast+0x449/0x710 [ 8234.911101][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.911101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.911101][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.911101][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.911101][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.911101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.911101][ T903] [ 8234.912809][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8234.912809][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8234.912809][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8234.912809][ T903] ipv6_find_idev+0x102/0x170 [ 8234.912809][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8234.912809][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8234.912809][ T903] netlink_rcv_skb+0x130/0x360 [ 8234.912809][ T903] netlink_unicast+0x449/0x710 [ 8234.912809][ T903] netlink_sendmsg+0x723/0xbe0 [ 8234.912809][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8234.912809][ T903] ___sys_sendmsg+0xee/0x170 [ 8234.912809][ T903] __sys_sendmsg+0xcd/0x170 [ 8234.912809][ T903] do_syscall_64+0xc6/0x1e0 [ 8234.912809][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.912809][ T903] [ 8245.157847][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8245.158380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8245.158380][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8245.158380][ T903] ip6_validate_gw+0x3eb/0x790 [ 8245.158380][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8245.158380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8245.158380][ T903] ip6_route_add+0x1c/0x140 [ 8245.158380][ T903] inet6_rtm_newroute+0x104/0x110 [ 8245.158380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.158380][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.158380][ T903] netlink_unicast+0x449/0x710 [ 8245.158380][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.158380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.158380][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.158380][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.158380][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.158380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8245.158380][ T903] [ 8245.160516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8245.160516][ T903] netdev_get_by_index+0x5e/0x80 [ 8245.160516][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8245.160516][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8245.160516][ T903] ip6_route_add+0x1c/0x140 [ 8245.160516][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8245.160516][ T903] inet6_addr_add+0x4f8/0xa40 [ 8245.160516][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8245.160516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.160516][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.160516][ T903] netlink_unicast+0x449/0x710 [ 8245.160516][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.160516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.160516][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.160516][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.160516][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.160516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8245.160516][ T903] [ 8245.162752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8245.162752][ T903] netdev_get_by_index+0x5e/0x80 [ 8245.162752][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8245.162752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8245.162752][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8245.162752][ T903] ipv6_add_addr+0x411/0x2000 [ 8245.162752][ T903] inet6_addr_add+0x30e/0xa40 [ 8245.162752][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8245.162752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.162752][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.162752][ T903] netlink_unicast+0x449/0x710 [ 8245.162752][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.162752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.162752][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.162752][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.162752][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.162752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8245.162752][ T903] [ 8245.164985][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8245.164985][ T903] netdev_get_by_index+0x5e/0x80 [ 8245.164985][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8245.164985][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8245.164985][ T903] ip6_route_add+0x1c/0x140 [ 8245.164985][ T903] addrconf_add_mroute+0x129/0x180 [ 8245.164985][ T903] addrconf_add_dev+0xe2/0x170 [ 8245.164985][ T903] inet6_addr_add+0x12f/0xa40 [ 8245.164985][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8245.164985][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.164985][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.164985][ T903] netlink_unicast+0x449/0x710 [ 8245.164985][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.164985][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.164985][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.164985][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.164985][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.164985][ T903] [ 8245.167170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8245.167170][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8245.167170][ T903] ipv6_find_idev+0x102/0x170 [ 8245.167170][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8245.167170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.167170][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.167170][ T903] netlink_unicast+0x449/0x710 [ 8245.167170][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.167170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.167170][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.167170][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.167170][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.167170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8245.167170][ T903] [ 8245.169376][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8245.169376][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8245.169376][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8245.169376][ T903] ipv6_find_idev+0x102/0x170 [ 8245.169376][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8245.169376][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8245.169376][ T903] netlink_rcv_skb+0x130/0x360 [ 8245.169376][ T903] netlink_unicast+0x449/0x710 [ 8245.169376][ T903] netlink_sendmsg+0x723/0xbe0 [ 8245.169376][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8245.169376][ T903] ___sys_sendmsg+0xee/0x170 [ 8245.169376][ T903] __sys_sendmsg+0xcd/0x170 [ 8245.169376][ T903] do_syscall_64+0xc6/0x1e0 [ 8245.169376][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8245.169376][ T903] [ 8255.269818][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8255.270333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8255.270333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8255.270333][ T903] ip6_validate_gw+0x3eb/0x790 [ 8255.270333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8255.270333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8255.270333][ T903] ip6_route_add+0x1c/0x140 [ 8255.270333][ T903] inet6_rtm_newroute+0x104/0x110 [ 8255.270333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.270333][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.270333][ T903] netlink_unicast+0x449/0x710 [ 8255.270333][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.270333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.270333][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.270333][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.270333][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.270333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8255.270333][ T903] [ 8255.272462][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8255.272462][ T903] netdev_get_by_index+0x5e/0x80 [ 8255.272462][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8255.272462][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8255.272462][ T903] ip6_route_add+0x1c/0x140 [ 8255.272462][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8255.272462][ T903] inet6_addr_add+0x4f8/0xa40 [ 8255.272462][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8255.272462][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.272462][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.272462][ T903] netlink_unicast+0x449/0x710 [ 8255.272462][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.272462][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.272462][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.272462][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.272462][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.272462][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8255.272462][ T903] [ 8255.274687][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8255.274687][ T903] netdev_get_by_index+0x5e/0x80 [ 8255.274687][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8255.274687][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8255.274687][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8255.274687][ T903] ipv6_add_addr+0x411/0x2000 [ 8255.274687][ T903] inet6_addr_add+0x30e/0xa40 [ 8255.274687][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8255.274687][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.274687][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.274687][ T903] netlink_unicast+0x449/0x710 [ 8255.274687][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.274687][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.274687][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.274687][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.274687][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.274687][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8255.274687][ T903] [ 8255.276903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8255.276903][ T903] netdev_get_by_index+0x5e/0x80 [ 8255.276903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8255.276903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8255.276903][ T903] ip6_route_add+0x1c/0x140 [ 8255.276903][ T903] addrconf_add_mroute+0x129/0x180 [ 8255.276903][ T903] addrconf_add_dev+0xe2/0x170 [ 8255.276903][ T903] inet6_addr_add+0x12f/0xa40 [ 8255.276903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8255.276903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.276903][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.276903][ T903] netlink_unicast+0x449/0x710 [ 8255.276903][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.276903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.276903][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.276903][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.276903][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.276903][ T903] [ 8255.279079][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8255.279079][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8255.279079][ T903] ipv6_find_idev+0x102/0x170 [ 8255.279079][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8255.279079][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.279079][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.279079][ T903] netlink_unicast+0x449/0x710 [ 8255.279079][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.279079][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.279079][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.279079][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.279079][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.279079][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8255.279079][ T903] [ 8255.280784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8255.280784][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8255.280784][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8255.280784][ T903] ipv6_find_idev+0x102/0x170 [ 8255.280784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8255.280784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8255.280784][ T903] netlink_rcv_skb+0x130/0x360 [ 8255.280784][ T903] netlink_unicast+0x449/0x710 [ 8255.280784][ T903] netlink_sendmsg+0x723/0xbe0 [ 8255.280784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8255.280784][ T903] ___sys_sendmsg+0xee/0x170 [ 8255.280784][ T903] __sys_sendmsg+0xcd/0x170 [ 8255.280784][ T903] do_syscall_64+0xc6/0x1e0 [ 8255.280784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8255.280784][ T903] [ 8265.517835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8265.518349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8265.518349][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8265.518349][ T903] ip6_validate_gw+0x3eb/0x790 [ 8265.518349][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8265.518349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8265.518349][ T903] ip6_route_add+0x1c/0x140 [ 8265.518349][ T903] inet6_rtm_newroute+0x104/0x110 [ 8265.518349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.518349][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.518349][ T903] netlink_unicast+0x449/0x710 [ 8265.518349][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.518349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.518349][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.518349][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.518349][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.518349][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8265.518349][ T903] [ 8265.520438][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8265.520438][ T903] netdev_get_by_index+0x5e/0x80 [ 8265.520438][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8265.520438][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8265.520438][ T903] ip6_route_add+0x1c/0x140 [ 8265.520438][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8265.520438][ T903] inet6_addr_add+0x4f8/0xa40 [ 8265.520438][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8265.520438][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.520438][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.520438][ T903] netlink_unicast+0x449/0x710 [ 8265.520438][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.520438][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.520438][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.520438][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.520438][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.520438][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8265.520438][ T903] [ 8265.522629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8265.522629][ T903] netdev_get_by_index+0x5e/0x80 [ 8265.522629][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8265.522629][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8265.522629][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8265.522629][ T903] ipv6_add_addr+0x411/0x2000 [ 8265.522629][ T903] inet6_addr_add+0x30e/0xa40 [ 8265.522629][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8265.522629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.522629][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.522629][ T903] netlink_unicast+0x449/0x710 [ 8265.522629][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.522629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.522629][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.522629][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.522629][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.522629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8265.522629][ T903] [ 8265.524830][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8265.524830][ T903] netdev_get_by_index+0x5e/0x80 [ 8265.524830][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8265.524830][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8265.524830][ T903] ip6_route_add+0x1c/0x140 [ 8265.524830][ T903] addrconf_add_mroute+0x129/0x180 [ 8265.524830][ T903] addrconf_add_dev+0xe2/0x170 [ 8265.524830][ T903] inet6_addr_add+0x12f/0xa40 [ 8265.524830][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8265.524830][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.524830][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.524830][ T903] netlink_unicast+0x449/0x710 [ 8265.524830][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.524830][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.524830][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.524830][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.524830][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.524830][ T903] [ 8265.526992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8265.526992][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8265.526992][ T903] ipv6_find_idev+0x102/0x170 [ 8265.526992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8265.526992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.526992][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.526992][ T903] netlink_unicast+0x449/0x710 [ 8265.526992][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.526992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.526992][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.526992][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.526992][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.526992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8265.526992][ T903] [ 8265.528678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8265.528678][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8265.528678][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8265.528678][ T903] ipv6_find_idev+0x102/0x170 [ 8265.528678][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8265.528678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8265.528678][ T903] netlink_rcv_skb+0x130/0x360 [ 8265.528678][ T903] netlink_unicast+0x449/0x710 [ 8265.528678][ T903] netlink_sendmsg+0x723/0xbe0 [ 8265.528678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8265.528678][ T903] ___sys_sendmsg+0xee/0x170 [ 8265.528678][ T903] __sys_sendmsg+0xcd/0x170 [ 8265.528678][ T903] do_syscall_64+0xc6/0x1e0 [ 8265.528678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8265.528678][ T903] [ 8275.709832][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8275.710333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8275.710333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8275.710333][ T903] ip6_validate_gw+0x3eb/0x790 [ 8275.710333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8275.710333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8275.710333][ T903] ip6_route_add+0x1c/0x140 [ 8275.710333][ T903] inet6_rtm_newroute+0x104/0x110 [ 8275.710333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.710333][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.710333][ T903] netlink_unicast+0x449/0x710 [ 8275.710333][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.710333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.710333][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.710333][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.710333][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.710333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8275.710333][ T903] [ 8275.712433][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8275.712433][ T903] netdev_get_by_index+0x5e/0x80 [ 8275.712433][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8275.712433][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8275.712433][ T903] ip6_route_add+0x1c/0x140 [ 8275.712433][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8275.712433][ T903] inet6_addr_add+0x4f8/0xa40 [ 8275.712433][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8275.712433][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.712433][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.712433][ T903] netlink_unicast+0x449/0x710 [ 8275.712433][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.712433][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.712433][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.712433][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.712433][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.712433][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8275.712433][ T903] [ 8275.714645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8275.714645][ T903] netdev_get_by_index+0x5e/0x80 [ 8275.714645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8275.714645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8275.714645][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8275.714645][ T903] ipv6_add_addr+0x411/0x2000 [ 8275.714645][ T903] inet6_addr_add+0x30e/0xa40 [ 8275.714645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8275.714645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.714645][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.714645][ T903] netlink_unicast+0x449/0x710 [ 8275.714645][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.714645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.714645][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.714645][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.714645][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.714645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8275.714645][ T903] [ 8275.716834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8275.716834][ T903] netdev_get_by_index+0x5e/0x80 [ 8275.716834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8275.716834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8275.716834][ T903] ip6_route_add+0x1c/0x140 [ 8275.716834][ T903] addrconf_add_mroute+0x129/0x180 [ 8275.716834][ T903] addrconf_add_dev+0xe2/0x170 [ 8275.716834][ T903] inet6_addr_add+0x12f/0xa40 [ 8275.716834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8275.716834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.716834][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.716834][ T903] netlink_unicast+0x449/0x710 [ 8275.716834][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.716834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.716834][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.716834][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.716834][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.716834][ T903] [ 8275.718996][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8275.718996][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8275.718996][ T903] ipv6_find_idev+0x102/0x170 [ 8275.718996][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8275.718996][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.718996][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.718996][ T903] netlink_unicast+0x449/0x710 [ 8275.718996][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.718996][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.718996][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.718996][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.718996][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.718996][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8275.718996][ T903] [ 8275.720693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8275.720693][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8275.720693][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8275.720693][ T903] ipv6_find_idev+0x102/0x170 [ 8275.720693][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8275.720693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8275.720693][ T903] netlink_rcv_skb+0x130/0x360 [ 8275.720693][ T903] netlink_unicast+0x449/0x710 [ 8275.720693][ T903] netlink_sendmsg+0x723/0xbe0 [ 8275.720693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8275.720693][ T903] ___sys_sendmsg+0xee/0x170 [ 8275.720693][ T903] __sys_sendmsg+0xcd/0x170 [ 8275.720693][ T903] do_syscall_64+0xc6/0x1e0 [ 8275.720693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8275.720693][ T903] [ 8285.957825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8285.958325][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8285.958325][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8285.958325][ T903] ip6_validate_gw+0x3eb/0x790 [ 8285.958325][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8285.958325][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8285.958325][ T903] ip6_route_add+0x1c/0x140 [ 8285.958325][ T903] inet6_rtm_newroute+0x104/0x110 [ 8285.958325][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.958325][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.958325][ T903] netlink_unicast+0x449/0x710 [ 8285.958325][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.958325][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.958325][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.958325][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.958325][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.958325][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8285.958325][ T903] [ 8285.960425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8285.960425][ T903] netdev_get_by_index+0x5e/0x80 [ 8285.960425][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8285.960425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8285.960425][ T903] ip6_route_add+0x1c/0x140 [ 8285.960425][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8285.960425][ T903] inet6_addr_add+0x4f8/0xa40 [ 8285.960425][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8285.960425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.960425][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.960425][ T903] netlink_unicast+0x449/0x710 [ 8285.960425][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.960425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.960425][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.960425][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.960425][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.960425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8285.960425][ T903] [ 8285.962618][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8285.962618][ T903] netdev_get_by_index+0x5e/0x80 [ 8285.962618][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8285.962618][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8285.962618][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8285.962618][ T903] ipv6_add_addr+0x411/0x2000 [ 8285.962618][ T903] inet6_addr_add+0x30e/0xa40 [ 8285.962618][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8285.962618][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.962618][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.962618][ T903] netlink_unicast+0x449/0x710 [ 8285.962618][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.962618][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.962618][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.962618][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.962618][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.962618][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8285.962618][ T903] [ 8285.964822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8285.964822][ T903] netdev_get_by_index+0x5e/0x80 [ 8285.964822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8285.964822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8285.964822][ T903] ip6_route_add+0x1c/0x140 [ 8285.964822][ T903] addrconf_add_mroute+0x129/0x180 [ 8285.964822][ T903] addrconf_add_dev+0xe2/0x170 [ 8285.964822][ T903] inet6_addr_add+0x12f/0xa40 [ 8285.964822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8285.964822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.964822][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.964822][ T903] netlink_unicast+0x449/0x710 [ 8285.964822][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.964822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.964822][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.964822][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.964822][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.964822][ T903] [ 8285.966974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8285.966974][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8285.966974][ T903] ipv6_find_idev+0x102/0x170 [ 8285.966974][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8285.966974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.966974][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.966974][ T903] netlink_unicast+0x449/0x710 [ 8285.966974][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.966974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.966974][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.966974][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.966974][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.966974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8285.966974][ T903] [ 8285.968661][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8285.968661][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8285.968661][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8285.968661][ T903] ipv6_find_idev+0x102/0x170 [ 8285.968661][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8285.968661][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8285.968661][ T903] netlink_rcv_skb+0x130/0x360 [ 8285.968661][ T903] netlink_unicast+0x449/0x710 [ 8285.968661][ T903] netlink_sendmsg+0x723/0xbe0 [ 8285.968661][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8285.968661][ T903] ___sys_sendmsg+0xee/0x170 [ 8285.968661][ T903] __sys_sendmsg+0xcd/0x170 [ 8285.968661][ T903] do_syscall_64+0xc6/0x1e0 [ 8285.968661][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8285.968661][ T903] [ 8296.205822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8296.206318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8296.206318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8296.206318][ T903] ip6_validate_gw+0x3eb/0x790 [ 8296.206318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8296.206318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8296.206318][ T903] ip6_route_add+0x1c/0x140 [ 8296.206318][ T903] inet6_rtm_newroute+0x104/0x110 [ 8296.206318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.206318][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.206318][ T903] netlink_unicast+0x449/0x710 [ 8296.206318][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.206318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.206318][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.206318][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.206318][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.206318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8296.206318][ T903] [ 8296.208422][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8296.208422][ T903] netdev_get_by_index+0x5e/0x80 [ 8296.208422][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8296.208422][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8296.208422][ T903] ip6_route_add+0x1c/0x140 [ 8296.208422][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8296.208422][ T903] inet6_addr_add+0x4f8/0xa40 [ 8296.208422][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8296.208422][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.208422][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.208422][ T903] netlink_unicast+0x449/0x710 [ 8296.208422][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.208422][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.208422][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.208422][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.208422][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.208422][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8296.208422][ T903] [ 8296.210612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8296.210612][ T903] netdev_get_by_index+0x5e/0x80 [ 8296.210612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8296.210612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8296.210612][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8296.210612][ T903] ipv6_add_addr+0x411/0x2000 [ 8296.210612][ T903] inet6_addr_add+0x30e/0xa40 [ 8296.210612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8296.210612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.210612][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.210612][ T903] netlink_unicast+0x449/0x710 [ 8296.210612][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.210612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.210612][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.210612][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.210612][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.210612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8296.210612][ T903] [ 8296.212803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8296.212803][ T903] netdev_get_by_index+0x5e/0x80 [ 8296.212803][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8296.212803][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8296.212803][ T903] ip6_route_add+0x1c/0x140 [ 8296.212803][ T903] addrconf_add_mroute+0x129/0x180 [ 8296.212803][ T903] addrconf_add_dev+0xe2/0x170 [ 8296.212803][ T903] inet6_addr_add+0x12f/0xa40 [ 8296.212803][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8296.212803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.212803][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.212803][ T903] netlink_unicast+0x449/0x710 [ 8296.212803][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.212803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.212803][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.212803][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.212803][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.212803][ T903] [ 8296.215084][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8296.215084][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8296.215084][ T903] ipv6_find_idev+0x102/0x170 [ 8296.215084][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8296.215084][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.215084][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.215084][ T903] netlink_unicast+0x449/0x710 [ 8296.215084][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.215084][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.215084][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.215084][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.215084][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.215084][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8296.215084][ T903] [ 8296.217272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8296.217272][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8296.217272][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8296.217272][ T903] ipv6_find_idev+0x102/0x170 [ 8296.217272][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8296.217272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8296.217272][ T903] netlink_rcv_skb+0x130/0x360 [ 8296.217272][ T903] netlink_unicast+0x449/0x710 [ 8296.217272][ T903] netlink_sendmsg+0x723/0xbe0 [ 8296.217272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8296.217272][ T903] ___sys_sendmsg+0xee/0x170 [ 8296.217272][ T903] __sys_sendmsg+0xcd/0x170 [ 8296.217272][ T903] do_syscall_64+0xc6/0x1e0 [ 8296.217272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8296.217272][ T903] [ 8306.461801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8306.462331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8306.462331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8306.462331][ T903] ip6_validate_gw+0x3eb/0x790 [ 8306.462331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8306.462331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8306.462331][ T903] ip6_route_add+0x1c/0x140 [ 8306.462331][ T903] inet6_rtm_newroute+0x104/0x110 [ 8306.462331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.462331][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.462331][ T903] netlink_unicast+0x449/0x710 [ 8306.462331][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.462331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.462331][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.462331][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.462331][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.462331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8306.462331][ T903] [ 8306.464444][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8306.464444][ T903] netdev_get_by_index+0x5e/0x80 [ 8306.464444][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8306.464444][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8306.464444][ T903] ip6_route_add+0x1c/0x140 [ 8306.464444][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8306.464444][ T903] inet6_addr_add+0x4f8/0xa40 [ 8306.464444][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8306.464444][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.464444][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.464444][ T903] netlink_unicast+0x449/0x710 [ 8306.464444][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.464444][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.464444][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.464444][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.464444][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.464444][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8306.464444][ T903] [ 8306.466636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8306.466636][ T903] netdev_get_by_index+0x5e/0x80 [ 8306.466636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8306.466636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8306.466636][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8306.466636][ T903] ipv6_add_addr+0x411/0x2000 [ 8306.466636][ T903] inet6_addr_add+0x30e/0xa40 [ 8306.466636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8306.466636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.466636][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.466636][ T903] netlink_unicast+0x449/0x710 [ 8306.466636][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.466636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.466636][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.466636][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.466636][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.466636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8306.466636][ T903] [ 8306.468822][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8306.468822][ T903] netdev_get_by_index+0x5e/0x80 [ 8306.468822][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8306.468822][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8306.468822][ T903] ip6_route_add+0x1c/0x140 [ 8306.468822][ T903] addrconf_add_mroute+0x129/0x180 [ 8306.468822][ T903] addrconf_add_dev+0xe2/0x170 [ 8306.468822][ T903] inet6_addr_add+0x12f/0xa40 [ 8306.468822][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8306.468822][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.468822][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.468822][ T903] netlink_unicast+0x449/0x710 [ 8306.468822][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.468822][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.468822][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.468822][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.468822][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.468822][ T903] [ 8306.470980][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8306.470980][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8306.470980][ T903] ipv6_find_idev+0x102/0x170 [ 8306.470980][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8306.470980][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.470980][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.470980][ T903] netlink_unicast+0x449/0x710 [ 8306.470980][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.470980][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.470980][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.470980][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.470980][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.470980][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8306.470980][ T903] [ 8306.472666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8306.472666][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8306.472666][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8306.472666][ T903] ipv6_find_idev+0x102/0x170 [ 8306.472666][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8306.472666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8306.472666][ T903] netlink_rcv_skb+0x130/0x360 [ 8306.472666][ T903] netlink_unicast+0x449/0x710 [ 8306.472666][ T903] netlink_sendmsg+0x723/0xbe0 [ 8306.472666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8306.472666][ T903] ___sys_sendmsg+0xee/0x170 [ 8306.472666][ T903] __sys_sendmsg+0xcd/0x170 [ 8306.472666][ T903] do_syscall_64+0xc6/0x1e0 [ 8306.472666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8306.472666][ T903] [ 8316.709813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8316.710331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8316.710331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8316.710331][ T903] ip6_validate_gw+0x3eb/0x790 [ 8316.710331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8316.710331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8316.710331][ T903] ip6_route_add+0x1c/0x140 [ 8316.710331][ T903] inet6_rtm_newroute+0x104/0x110 [ 8316.710331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.710331][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.710331][ T903] netlink_unicast+0x449/0x710 [ 8316.710331][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.710331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.710331][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.710331][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.710331][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.710331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8316.710331][ T903] [ 8316.712427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8316.712427][ T903] netdev_get_by_index+0x5e/0x80 [ 8316.712427][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8316.712427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8316.712427][ T903] ip6_route_add+0x1c/0x140 [ 8316.712427][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8316.712427][ T903] inet6_addr_add+0x4f8/0xa40 [ 8316.712427][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8316.712427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.712427][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.712427][ T903] netlink_unicast+0x449/0x710 [ 8316.712427][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.712427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.712427][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.712427][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.712427][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.712427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8316.712427][ T903] [ 8316.714626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8316.714626][ T903] netdev_get_by_index+0x5e/0x80 [ 8316.714626][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8316.714626][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8316.714626][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8316.714626][ T903] ipv6_add_addr+0x411/0x2000 [ 8316.714626][ T903] inet6_addr_add+0x30e/0xa40 [ 8316.714626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8316.714626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.714626][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.714626][ T903] netlink_unicast+0x449/0x710 [ 8316.714626][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.714626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.714626][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.714626][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.714626][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.714626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8316.714626][ T903] [ 8316.716813][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8316.716813][ T903] netdev_get_by_index+0x5e/0x80 [ 8316.716813][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8316.716813][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8316.716813][ T903] ip6_route_add+0x1c/0x140 [ 8316.716813][ T903] addrconf_add_mroute+0x129/0x180 [ 8316.716813][ T903] addrconf_add_dev+0xe2/0x170 [ 8316.716813][ T903] inet6_addr_add+0x12f/0xa40 [ 8316.716813][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8316.716813][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.716813][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.716813][ T903] netlink_unicast+0x449/0x710 [ 8316.716813][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.716813][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.716813][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.716813][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.716813][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.716813][ T903] [ 8316.718957][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8316.718957][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8316.718957][ T903] ipv6_find_idev+0x102/0x170 [ 8316.718957][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8316.718957][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.718957][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.718957][ T903] netlink_unicast+0x449/0x710 [ 8316.718957][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.718957][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.718957][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.718957][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.718957][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.718957][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8316.718957][ T903] [ 8316.720640][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8316.720640][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8316.720640][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8316.720640][ T903] ipv6_find_idev+0x102/0x170 [ 8316.720640][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8316.720640][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8316.720640][ T903] netlink_rcv_skb+0x130/0x360 [ 8316.720640][ T903] netlink_unicast+0x449/0x710 [ 8316.720640][ T903] netlink_sendmsg+0x723/0xbe0 [ 8316.720640][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8316.720640][ T903] ___sys_sendmsg+0xee/0x170 [ 8316.720640][ T903] __sys_sendmsg+0xcd/0x170 [ 8316.720640][ T903] do_syscall_64+0xc6/0x1e0 [ 8316.720640][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8316.720640][ T903] [ 8326.957882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8326.958387][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8326.958387][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8326.958387][ T903] ip6_validate_gw+0x3eb/0x790 [ 8326.958387][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8326.958387][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8326.958387][ T903] ip6_route_add+0x1c/0x140 [ 8326.958387][ T903] inet6_rtm_newroute+0x104/0x110 [ 8326.958387][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.958387][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.958387][ T903] netlink_unicast+0x449/0x710 [ 8326.958387][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.958387][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.958387][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.958387][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.958387][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.958387][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8326.958387][ T903] [ 8326.960485][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8326.960485][ T903] netdev_get_by_index+0x5e/0x80 [ 8326.960485][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8326.960485][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8326.960485][ T903] ip6_route_add+0x1c/0x140 [ 8326.960485][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8326.960485][ T903] inet6_addr_add+0x4f8/0xa40 [ 8326.960485][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8326.960485][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.960485][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.960485][ T903] netlink_unicast+0x449/0x710 [ 8326.960485][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.960485][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.960485][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.960485][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.960485][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.960485][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8326.960485][ T903] [ 8326.962677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8326.962677][ T903] netdev_get_by_index+0x5e/0x80 [ 8326.962677][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8326.962677][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8326.962677][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8326.962677][ T903] ipv6_add_addr+0x411/0x2000 [ 8326.962677][ T903] inet6_addr_add+0x30e/0xa40 [ 8326.962677][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8326.962677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.962677][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.962677][ T903] netlink_unicast+0x449/0x710 [ 8326.962677][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.962677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.962677][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.962677][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.962677][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.962677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8326.962677][ T903] [ 8326.964880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8326.964880][ T903] netdev_get_by_index+0x5e/0x80 [ 8326.964880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8326.964880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8326.964880][ T903] ip6_route_add+0x1c/0x140 [ 8326.964880][ T903] addrconf_add_mroute+0x129/0x180 [ 8326.964880][ T903] addrconf_add_dev+0xe2/0x170 [ 8326.964880][ T903] inet6_addr_add+0x12f/0xa40 [ 8326.964880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8326.964880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.964880][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.964880][ T903] netlink_unicast+0x449/0x710 [ 8326.964880][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.964880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.964880][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.964880][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.964880][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.964880][ T903] [ 8326.967030][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8326.967030][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8326.967030][ T903] ipv6_find_idev+0x102/0x170 [ 8326.967030][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8326.967030][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.967030][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.967030][ T903] netlink_unicast+0x449/0x710 [ 8326.967030][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.967030][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.967030][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.967030][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.967030][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.967030][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8326.967030][ T903] [ 8326.968718][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8326.968718][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8326.968718][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8326.968718][ T903] ipv6_find_idev+0x102/0x170 [ 8326.968718][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8326.968718][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8326.968718][ T903] netlink_rcv_skb+0x130/0x360 [ 8326.968718][ T903] netlink_unicast+0x449/0x710 [ 8326.968718][ T903] netlink_sendmsg+0x723/0xbe0 [ 8326.968718][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8326.968718][ T903] ___sys_sendmsg+0xee/0x170 [ 8326.968718][ T903] __sys_sendmsg+0xcd/0x170 [ 8326.968718][ T903] do_syscall_64+0xc6/0x1e0 [ 8326.968718][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8326.968718][ T903] [ 8337.037810][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8337.038316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8337.038316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8337.038316][ T903] ip6_validate_gw+0x3eb/0x790 [ 8337.038316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8337.038316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8337.038316][ T903] ip6_route_add+0x1c/0x140 [ 8337.038316][ T903] inet6_rtm_newroute+0x104/0x110 [ 8337.038316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.038316][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.038316][ T903] netlink_unicast+0x449/0x710 [ 8337.038316][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.038316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.038316][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.038316][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.038316][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.038316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8337.038316][ T903] [ 8337.040412][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8337.040412][ T903] netdev_get_by_index+0x5e/0x80 [ 8337.040412][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8337.040412][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8337.040412][ T903] ip6_route_add+0x1c/0x140 [ 8337.040412][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8337.040412][ T903] inet6_addr_add+0x4f8/0xa40 [ 8337.040412][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8337.040412][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.040412][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.040412][ T903] netlink_unicast+0x449/0x710 [ 8337.040412][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.040412][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.040412][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.040412][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.040412][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.040412][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8337.040412][ T903] [ 8337.042612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8337.042612][ T903] netdev_get_by_index+0x5e/0x80 [ 8337.042612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8337.042612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8337.042612][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8337.042612][ T903] ipv6_add_addr+0x411/0x2000 [ 8337.042612][ T903] inet6_addr_add+0x30e/0xa40 [ 8337.042612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8337.042612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.042612][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.042612][ T903] netlink_unicast+0x449/0x710 [ 8337.042612][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.042612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.042612][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.042612][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.042612][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.042612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8337.042612][ T903] [ 8337.044820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8337.044820][ T903] netdev_get_by_index+0x5e/0x80 [ 8337.044820][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8337.044820][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8337.044820][ T903] ip6_route_add+0x1c/0x140 [ 8337.044820][ T903] addrconf_add_mroute+0x129/0x180 [ 8337.044820][ T903] addrconf_add_dev+0xe2/0x170 [ 8337.044820][ T903] inet6_addr_add+0x12f/0xa40 [ 8337.044820][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8337.044820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.044820][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.044820][ T903] netlink_unicast+0x449/0x710 [ 8337.044820][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.044820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.044820][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.044820][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.044820][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.044820][ T903] [ 8337.046976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8337.046976][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8337.046976][ T903] ipv6_find_idev+0x102/0x170 [ 8337.046976][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8337.046976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.046976][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.046976][ T903] netlink_unicast+0x449/0x710 [ 8337.046976][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.046976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.046976][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.046976][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.046976][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.046976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8337.046976][ T903] [ 8337.048666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8337.048666][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8337.048666][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8337.048666][ T903] ipv6_find_idev+0x102/0x170 [ 8337.048666][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8337.048666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8337.048666][ T903] netlink_rcv_skb+0x130/0x360 [ 8337.048666][ T903] netlink_unicast+0x449/0x710 [ 8337.048666][ T903] netlink_sendmsg+0x723/0xbe0 [ 8337.048666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8337.048666][ T903] ___sys_sendmsg+0xee/0x170 [ 8337.048666][ T903] __sys_sendmsg+0xcd/0x170 [ 8337.048666][ T903] do_syscall_64+0xc6/0x1e0 [ 8337.048666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8337.048666][ T903] [ 8347.301884][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8347.302406][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8347.302406][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8347.302406][ T903] ip6_validate_gw+0x3eb/0x790 [ 8347.302406][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8347.302406][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8347.302406][ T903] ip6_route_add+0x1c/0x140 [ 8347.302406][ T903] inet6_rtm_newroute+0x104/0x110 [ 8347.302406][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.302406][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.302406][ T903] netlink_unicast+0x449/0x710 [ 8347.302406][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.302406][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.302406][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.302406][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.302406][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.302406][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8347.302406][ T903] [ 8347.304522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8347.304522][ T903] netdev_get_by_index+0x5e/0x80 [ 8347.304522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8347.304522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8347.304522][ T903] ip6_route_add+0x1c/0x140 [ 8347.304522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8347.304522][ T903] inet6_addr_add+0x4f8/0xa40 [ 8347.304522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8347.304522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.304522][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.304522][ T903] netlink_unicast+0x449/0x710 [ 8347.304522][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.304522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.304522][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.304522][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.304522][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.304522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8347.304522][ T903] [ 8347.306717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8347.306717][ T903] netdev_get_by_index+0x5e/0x80 [ 8347.306717][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8347.306717][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8347.306717][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8347.306717][ T903] ipv6_add_addr+0x411/0x2000 [ 8347.306717][ T903] inet6_addr_add+0x30e/0xa40 [ 8347.306717][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8347.306717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.306717][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.306717][ T903] netlink_unicast+0x449/0x710 [ 8347.306717][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.306717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.306717][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.306717][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.306717][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.306717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8347.306717][ T903] [ 8347.308904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8347.308904][ T903] netdev_get_by_index+0x5e/0x80 [ 8347.308904][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8347.308904][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8347.308904][ T903] ip6_route_add+0x1c/0x140 [ 8347.308904][ T903] addrconf_add_mroute+0x129/0x180 [ 8347.308904][ T903] addrconf_add_dev+0xe2/0x170 [ 8347.308904][ T903] inet6_addr_add+0x12f/0xa40 [ 8347.308904][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8347.308904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.308904][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.308904][ T903] netlink_unicast+0x449/0x710 [ 8347.308904][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.308904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.308904][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.308904][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.308904][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.308904][ T903] [ 8347.311058][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8347.311058][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8347.311058][ T903] ipv6_find_idev+0x102/0x170 [ 8347.311058][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8347.311058][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.311058][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.311058][ T903] netlink_unicast+0x449/0x710 [ 8347.311058][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.311058][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.311058][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.311058][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.311058][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.311058][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8347.311058][ T903] [ 8347.312744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8347.312744][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8347.312744][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8347.312744][ T903] ipv6_find_idev+0x102/0x170 [ 8347.312744][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8347.312744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8347.312744][ T903] netlink_rcv_skb+0x130/0x360 [ 8347.312744][ T903] netlink_unicast+0x449/0x710 [ 8347.312744][ T903] netlink_sendmsg+0x723/0xbe0 [ 8347.312744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8347.312744][ T903] ___sys_sendmsg+0xee/0x170 [ 8347.312744][ T903] __sys_sendmsg+0xcd/0x170 [ 8347.312744][ T903] do_syscall_64+0xc6/0x1e0 [ 8347.312744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8347.312744][ T903] [ 8357.357809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8357.358267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8357.358267][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8357.358267][ T903] ip6_validate_gw+0x3eb/0x790 [ 8357.358267][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8357.358267][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8357.358267][ T903] ip6_route_add+0x1c/0x140 [ 8357.358267][ T903] inet6_rtm_newroute+0x104/0x110 [ 8357.358267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.358267][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.358267][ T903] netlink_unicast+0x449/0x710 [ 8357.358267][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.358267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.358267][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.358267][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.358267][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.358267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.358267][ T903] [ 8357.360356][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8357.360356][ T903] netdev_get_by_index+0x5e/0x80 [ 8357.360356][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8357.360356][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8357.360356][ T903] ip6_route_add+0x1c/0x140 [ 8357.360356][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8357.360356][ T903] inet6_addr_add+0x4f8/0xa40 [ 8357.360356][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8357.360356][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.360356][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.360356][ T903] netlink_unicast+0x449/0x710 [ 8357.360356][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.360356][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.360356][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.360356][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.360356][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.360356][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.360356][ T903] [ 8357.362552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8357.362552][ T903] netdev_get_by_index+0x5e/0x80 [ 8357.362552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8357.362552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8357.362552][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8357.362552][ T903] ipv6_add_addr+0x411/0x2000 [ 8357.362552][ T903] inet6_addr_add+0x30e/0xa40 [ 8357.362552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8357.362552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.362552][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.362552][ T903] netlink_unicast+0x449/0x710 [ 8357.362552][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.362552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.362552][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.362552][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.362552][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.362552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.362552][ T903] [ 8357.364760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8357.364760][ T903] netdev_get_by_index+0x5e/0x80 [ 8357.364760][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8357.364760][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8357.364760][ T903] ip6_route_add+0x1c/0x140 [ 8357.364760][ T903] addrconf_add_mroute+0x129/0x180 [ 8357.364760][ T903] addrconf_add_dev+0xe2/0x170 [ 8357.364760][ T903] inet6_addr_add+0x12f/0xa40 [ 8357.364760][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8357.364760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.364760][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.364760][ T903] netlink_unicast+0x449/0x710 [ 8357.364760][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.364760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.364760][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.364760][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.364760][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.364760][ T903] [ 8357.366915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8357.366915][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8357.366915][ T903] ipv6_find_idev+0x102/0x170 [ 8357.366915][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8357.366915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.366915][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.366915][ T903] netlink_unicast+0x449/0x710 [ 8357.366915][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.366915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.366915][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.366915][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.366915][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.366915][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.366915][ T903] [ 8357.368603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8357.368603][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8357.368603][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8357.368603][ T903] ipv6_find_idev+0x102/0x170 [ 8357.368603][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8357.368603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8357.368603][ T903] netlink_rcv_skb+0x130/0x360 [ 8357.368603][ T903] netlink_unicast+0x449/0x710 [ 8357.368603][ T903] netlink_sendmsg+0x723/0xbe0 [ 8357.368603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8357.368603][ T903] ___sys_sendmsg+0xee/0x170 [ 8357.368603][ T903] __sys_sendmsg+0xcd/0x170 [ 8357.368603][ T903] do_syscall_64+0xc6/0x1e0 [ 8357.368603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.368603][ T903] [ 8367.605826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8367.606337][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8367.606337][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8367.606337][ T903] ip6_validate_gw+0x3eb/0x790 [ 8367.606337][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8367.606337][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8367.606337][ T903] ip6_route_add+0x1c/0x140 [ 8367.606337][ T903] inet6_rtm_newroute+0x104/0x110 [ 8367.606337][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.606337][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.606337][ T903] netlink_unicast+0x449/0x710 [ 8367.606337][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.606337][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.606337][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.606337][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.606337][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.606337][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8367.606337][ T903] [ 8367.608429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8367.608429][ T903] netdev_get_by_index+0x5e/0x80 [ 8367.608429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8367.608429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8367.608429][ T903] ip6_route_add+0x1c/0x140 [ 8367.608429][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8367.608429][ T903] inet6_addr_add+0x4f8/0xa40 [ 8367.608429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8367.608429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.608429][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.608429][ T903] netlink_unicast+0x449/0x710 [ 8367.608429][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.608429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.608429][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.608429][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.608429][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.608429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8367.608429][ T903] [ 8367.610637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8367.610637][ T903] netdev_get_by_index+0x5e/0x80 [ 8367.610637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8367.610637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8367.610637][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8367.610637][ T903] ipv6_add_addr+0x411/0x2000 [ 8367.610637][ T903] inet6_addr_add+0x30e/0xa40 [ 8367.610637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8367.610637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.610637][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.610637][ T903] netlink_unicast+0x449/0x710 [ 8367.610637][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.610637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.610637][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.610637][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.610637][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.610637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8367.610637][ T903] [ 8367.612834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8367.612834][ T903] netdev_get_by_index+0x5e/0x80 [ 8367.612834][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8367.612834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8367.612834][ T903] ip6_route_add+0x1c/0x140 [ 8367.612834][ T903] addrconf_add_mroute+0x129/0x180 [ 8367.612834][ T903] addrconf_add_dev+0xe2/0x170 [ 8367.612834][ T903] inet6_addr_add+0x12f/0xa40 [ 8367.612834][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8367.612834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.612834][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.612834][ T903] netlink_unicast+0x449/0x710 [ 8367.612834][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.612834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.612834][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.612834][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.612834][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.612834][ T903] [ 8367.614997][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8367.614997][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8367.614997][ T903] ipv6_find_idev+0x102/0x170 [ 8367.614997][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8367.614997][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.614997][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.614997][ T903] netlink_unicast+0x449/0x710 [ 8367.614997][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.614997][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.614997][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.614997][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.614997][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.614997][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8367.614997][ T903] [ 8367.616683][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8367.616683][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8367.616683][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8367.616683][ T903] ipv6_find_idev+0x102/0x170 [ 8367.616683][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8367.616683][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8367.616683][ T903] netlink_rcv_skb+0x130/0x360 [ 8367.616683][ T903] netlink_unicast+0x449/0x710 [ 8367.616683][ T903] netlink_sendmsg+0x723/0xbe0 [ 8367.616683][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8367.616683][ T903] ___sys_sendmsg+0xee/0x170 [ 8367.616683][ T903] __sys_sendmsg+0xcd/0x170 [ 8367.616683][ T903] do_syscall_64+0xc6/0x1e0 [ 8367.616683][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8367.616683][ T903] [ 8377.853854][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8377.854388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8377.854388][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8377.854388][ T903] ip6_validate_gw+0x3eb/0x790 [ 8377.854388][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8377.854388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8377.854388][ T903] ip6_route_add+0x1c/0x140 [ 8377.854388][ T903] inet6_rtm_newroute+0x104/0x110 [ 8377.854388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.854388][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.854388][ T903] netlink_unicast+0x449/0x710 [ 8377.854388][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.854388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.854388][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.854388][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.854388][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.854388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.854388][ T903] [ 8377.856523][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8377.856523][ T903] netdev_get_by_index+0x5e/0x80 [ 8377.856523][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8377.856523][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8377.856523][ T903] ip6_route_add+0x1c/0x140 [ 8377.856523][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8377.856523][ T903] inet6_addr_add+0x4f8/0xa40 [ 8377.856523][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8377.856523][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.856523][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.856523][ T903] netlink_unicast+0x449/0x710 [ 8377.856523][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.856523][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.856523][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.856523][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.856523][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.856523][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.856523][ T903] [ 8377.858744][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8377.858744][ T903] netdev_get_by_index+0x5e/0x80 [ 8377.858744][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8377.858744][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8377.858744][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8377.858744][ T903] ipv6_add_addr+0x411/0x2000 [ 8377.858744][ T903] inet6_addr_add+0x30e/0xa40 [ 8377.858744][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8377.858744][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.858744][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.858744][ T903] netlink_unicast+0x449/0x710 [ 8377.858744][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.858744][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.858744][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.858744][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.858744][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.858744][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.858744][ T903] [ 8377.860970][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8377.860970][ T903] netdev_get_by_index+0x5e/0x80 [ 8377.860970][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8377.860970][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8377.860970][ T903] ip6_route_add+0x1c/0x140 [ 8377.860970][ T903] addrconf_add_mroute+0x129/0x180 [ 8377.860970][ T903] addrconf_add_dev+0xe2/0x170 [ 8377.860970][ T903] inet6_addr_add+0x12f/0xa40 [ 8377.860970][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8377.860970][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.860970][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.860970][ T903] netlink_unicast+0x449/0x710 [ 8377.860970][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.860970][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.860970][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.860970][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.860970][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.860970][ T903] [ 8377.863153][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8377.863153][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8377.863153][ T903] ipv6_find_idev+0x102/0x170 [ 8377.863153][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8377.863153][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.863153][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.863153][ T903] netlink_unicast+0x449/0x710 [ 8377.863153][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.863153][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.863153][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.863153][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.863153][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.863153][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.863153][ T903] [ 8377.864880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8377.864880][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8377.864880][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8377.864880][ T903] ipv6_find_idev+0x102/0x170 [ 8377.864880][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8377.864880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8377.864880][ T903] netlink_rcv_skb+0x130/0x360 [ 8377.864880][ T903] netlink_unicast+0x449/0x710 [ 8377.864880][ T903] netlink_sendmsg+0x723/0xbe0 [ 8377.864880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8377.864880][ T903] ___sys_sendmsg+0xee/0x170 [ 8377.864880][ T903] __sys_sendmsg+0xcd/0x170 [ 8377.864880][ T903] do_syscall_64+0xc6/0x1e0 [ 8377.864880][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8377.864880][ T903] [ 8388.109849][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8388.110499][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8388.110499][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8388.110499][ T903] ip6_validate_gw+0x3eb/0x790 [ 8388.110499][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8388.110499][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8388.110499][ T903] ip6_route_add+0x1c/0x140 [ 8388.110499][ T903] inet6_rtm_newroute+0x104/0x110 [ 8388.110499][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.110499][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.110499][ T903] netlink_unicast+0x449/0x710 [ 8388.110499][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.110499][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.110499][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.110499][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.110499][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.110499][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8388.110499][ T903] [ 8388.113934][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8388.113934][ T903] netdev_get_by_index+0x5e/0x80 [ 8388.113934][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8388.113934][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8388.113934][ T903] ip6_route_add+0x1c/0x140 [ 8388.113934][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8388.113934][ T903] inet6_addr_add+0x4f8/0xa40 [ 8388.113934][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8388.113934][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.113934][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.113934][ T903] netlink_unicast+0x449/0x710 [ 8388.113934][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.113934][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.113934][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.113934][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.113934][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.113934][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8388.113934][ T903] [ 8388.117553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8388.117553][ T903] netdev_get_by_index+0x5e/0x80 [ 8388.117553][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8388.117553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8388.117553][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8388.117553][ T903] ipv6_add_addr+0x411/0x2000 [ 8388.117553][ T903] inet6_addr_add+0x30e/0xa40 [ 8388.117553][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8388.117553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.117553][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.117553][ T903] netlink_unicast+0x449/0x710 [ 8388.117553][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.117553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.117553][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.117553][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.117553][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.117553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8388.117553][ T903] [ 8388.121167][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8388.121167][ T903] netdev_get_by_index+0x5e/0x80 [ 8388.121167][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8388.121167][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8388.121167][ T903] ip6_route_add+0x1c/0x140 [ 8388.121167][ T903] addrconf_add_mroute+0x129/0x180 [ 8388.121167][ T903] addrconf_add_dev+0xe2/0x170 [ 8388.121167][ T903] inet6_addr_add+0x12f/0xa40 [ 8388.121167][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8388.121167][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.121167][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.121167][ T903] netlink_unicast+0x449/0x710 [ 8388.121167][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.121167][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.121167][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.121167][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.121167][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.121167][ T903] [ 8388.124738][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8388.124738][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8388.124738][ T903] ipv6_find_idev+0x102/0x170 [ 8388.124738][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8388.124738][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.124738][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.124738][ T903] netlink_unicast+0x449/0x710 [ 8388.124738][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.124738][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.124738][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.124738][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.124738][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.124738][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8388.124738][ T903] [ 8388.127526][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8388.127526][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8388.127526][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8388.127526][ T903] ipv6_find_idev+0x102/0x170 [ 8388.127526][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8388.127526][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8388.127526][ T903] netlink_rcv_skb+0x130/0x360 [ 8388.127526][ T903] netlink_unicast+0x449/0x710 [ 8388.127526][ T903] netlink_sendmsg+0x723/0xbe0 [ 8388.127526][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8388.127526][ T903] ___sys_sendmsg+0xee/0x170 [ 8388.127526][ T903] __sys_sendmsg+0xcd/0x170 [ 8388.127526][ T903] do_syscall_64+0xc6/0x1e0 [ 8388.127526][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8388.127526][ T903] [ 8398.365748][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8398.366270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8398.366270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8398.366270][ T903] ip6_validate_gw+0x3eb/0x790 [ 8398.366270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8398.366270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8398.366270][ T903] ip6_route_add+0x1c/0x140 [ 8398.366270][ T903] inet6_rtm_newroute+0x104/0x110 [ 8398.366270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.366270][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.366270][ T903] netlink_unicast+0x449/0x710 [ 8398.366270][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.366270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.366270][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.366270][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.366270][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.366270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8398.366270][ T903] [ 8398.368361][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8398.368361][ T903] netdev_get_by_index+0x5e/0x80 [ 8398.368361][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8398.368361][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8398.368361][ T903] ip6_route_add+0x1c/0x140 [ 8398.368361][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8398.368361][ T903] inet6_addr_add+0x4f8/0xa40 [ 8398.368361][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8398.368361][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.368361][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.368361][ T903] netlink_unicast+0x449/0x710 [ 8398.368361][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.368361][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.368361][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.368361][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.368361][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.368361][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8398.368361][ T903] [ 8398.370545][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8398.370545][ T903] netdev_get_by_index+0x5e/0x80 [ 8398.370545][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8398.370545][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8398.370545][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8398.370545][ T903] ipv6_add_addr+0x411/0x2000 [ 8398.370545][ T903] inet6_addr_add+0x30e/0xa40 [ 8398.370545][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8398.370545][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.370545][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.370545][ T903] netlink_unicast+0x449/0x710 [ 8398.370545][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.370545][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.370545][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.370545][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.370545][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.370545][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8398.370545][ T903] [ 8398.372727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8398.372727][ T903] netdev_get_by_index+0x5e/0x80 [ 8398.372727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8398.372727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8398.372727][ T903] ip6_route_add+0x1c/0x140 [ 8398.372727][ T903] addrconf_add_mroute+0x129/0x180 [ 8398.372727][ T903] addrconf_add_dev+0xe2/0x170 [ 8398.372727][ T903] inet6_addr_add+0x12f/0xa40 [ 8398.372727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8398.372727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.372727][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.372727][ T903] netlink_unicast+0x449/0x710 [ 8398.372727][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.372727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.372727][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.372727][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.372727][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.372727][ T903] [ 8398.374929][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8398.374929][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8398.374929][ T903] ipv6_find_idev+0x102/0x170 [ 8398.374929][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8398.374929][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.374929][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.374929][ T903] netlink_unicast+0x449/0x710 [ 8398.374929][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.374929][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.374929][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.374929][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.374929][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.374929][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8398.374929][ T903] [ 8398.376620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8398.376620][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8398.376620][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8398.376620][ T903] ipv6_find_idev+0x102/0x170 [ 8398.376620][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8398.376620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8398.376620][ T903] netlink_rcv_skb+0x130/0x360 [ 8398.376620][ T903] netlink_unicast+0x449/0x710 [ 8398.376620][ T903] netlink_sendmsg+0x723/0xbe0 [ 8398.376620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8398.376620][ T903] ___sys_sendmsg+0xee/0x170 [ 8398.376620][ T903] __sys_sendmsg+0xcd/0x170 [ 8398.376620][ T903] do_syscall_64+0xc6/0x1e0 [ 8398.376620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8398.376620][ T903] [ 8408.445805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8408.446311][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8408.446311][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8408.446311][ T903] ip6_validate_gw+0x3eb/0x790 [ 8408.446311][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8408.446311][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8408.446311][ T903] ip6_route_add+0x1c/0x140 [ 8408.446311][ T903] inet6_rtm_newroute+0x104/0x110 [ 8408.446311][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.446311][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.446311][ T903] netlink_unicast+0x449/0x710 [ 8408.446311][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.446311][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.446311][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.446311][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.446311][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.446311][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8408.446311][ T903] [ 8408.448411][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8408.448411][ T903] netdev_get_by_index+0x5e/0x80 [ 8408.448411][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8408.448411][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8408.448411][ T903] ip6_route_add+0x1c/0x140 [ 8408.448411][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8408.448411][ T903] inet6_addr_add+0x4f8/0xa40 [ 8408.448411][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8408.448411][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.448411][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.448411][ T903] netlink_unicast+0x449/0x710 [ 8408.448411][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.448411][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.448411][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.448411][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.448411][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.448411][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8408.448411][ T903] [ 8408.450608][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8408.450608][ T903] netdev_get_by_index+0x5e/0x80 [ 8408.450608][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8408.450608][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8408.450608][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8408.450608][ T903] ipv6_add_addr+0x411/0x2000 [ 8408.450608][ T903] inet6_addr_add+0x30e/0xa40 [ 8408.450608][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8408.450608][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.450608][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.450608][ T903] netlink_unicast+0x449/0x710 [ 8408.450608][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.450608][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.450608][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.450608][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.450608][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.450608][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8408.450608][ T903] [ 8408.452799][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8408.452799][ T903] netdev_get_by_index+0x5e/0x80 [ 8408.452799][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8408.452799][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8408.452799][ T903] ip6_route_add+0x1c/0x140 [ 8408.452799][ T903] addrconf_add_mroute+0x129/0x180 [ 8408.452799][ T903] addrconf_add_dev+0xe2/0x170 [ 8408.452799][ T903] inet6_addr_add+0x12f/0xa40 [ 8408.452799][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8408.452799][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.452799][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.452799][ T903] netlink_unicast+0x449/0x710 [ 8408.452799][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.452799][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.452799][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.452799][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.452799][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.452799][ T903] [ 8408.455008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8408.455008][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8408.455008][ T903] ipv6_find_idev+0x102/0x170 [ 8408.455008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8408.455008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.455008][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.455008][ T903] netlink_unicast+0x449/0x710 [ 8408.455008][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.455008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.455008][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.455008][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.455008][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.455008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8408.455008][ T903] [ 8408.456696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8408.456696][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8408.456696][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8408.456696][ T903] ipv6_find_idev+0x102/0x170 [ 8408.456696][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8408.456696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8408.456696][ T903] netlink_rcv_skb+0x130/0x360 [ 8408.456696][ T903] netlink_unicast+0x449/0x710 [ 8408.456696][ T903] netlink_sendmsg+0x723/0xbe0 [ 8408.456696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8408.456696][ T903] ___sys_sendmsg+0xee/0x170 [ 8408.456696][ T903] __sys_sendmsg+0xcd/0x170 [ 8408.456696][ T903] do_syscall_64+0xc6/0x1e0 [ 8408.456696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8408.456696][ T903] [ 8418.693795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8418.694318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8418.694318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8418.694318][ T903] ip6_validate_gw+0x3eb/0x790 [ 8418.694318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8418.694318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8418.694318][ T903] ip6_route_add+0x1c/0x140 [ 8418.694318][ T903] inet6_rtm_newroute+0x104/0x110 [ 8418.694318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.694318][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.694318][ T903] netlink_unicast+0x449/0x710 [ 8418.694318][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.694318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.694318][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.694318][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.694318][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.694318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8418.694318][ T903] [ 8418.696414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8418.696414][ T903] netdev_get_by_index+0x5e/0x80 [ 8418.696414][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8418.696414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8418.696414][ T903] ip6_route_add+0x1c/0x140 [ 8418.696414][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8418.696414][ T903] inet6_addr_add+0x4f8/0xa40 [ 8418.696414][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8418.696414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.696414][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.696414][ T903] netlink_unicast+0x449/0x710 [ 8418.696414][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.696414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.696414][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.696414][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.696414][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.696414][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8418.696414][ T903] [ 8418.698621][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8418.698621][ T903] netdev_get_by_index+0x5e/0x80 [ 8418.698621][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8418.698621][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8418.698621][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8418.698621][ T903] ipv6_add_addr+0x411/0x2000 [ 8418.698621][ T903] inet6_addr_add+0x30e/0xa40 [ 8418.698621][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8418.698621][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.698621][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.698621][ T903] netlink_unicast+0x449/0x710 [ 8418.698621][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.698621][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.698621][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.698621][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.698621][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.698621][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8418.698621][ T903] [ 8418.700816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8418.700816][ T903] netdev_get_by_index+0x5e/0x80 [ 8418.700816][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8418.700816][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8418.700816][ T903] ip6_route_add+0x1c/0x140 [ 8418.700816][ T903] addrconf_add_mroute+0x129/0x180 [ 8418.700816][ T903] addrconf_add_dev+0xe2/0x170 [ 8418.700816][ T903] inet6_addr_add+0x12f/0xa40 [ 8418.700816][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8418.700816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.700816][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.700816][ T903] netlink_unicast+0x449/0x710 [ 8418.700816][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.700816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.700816][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.700816][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.700816][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.700816][ T903] [ 8418.702976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8418.702976][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8418.702976][ T903] ipv6_find_idev+0x102/0x170 [ 8418.702976][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8418.702976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.702976][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.702976][ T903] netlink_unicast+0x449/0x710 [ 8418.702976][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.702976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.702976][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.702976][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.702976][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.702976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8418.702976][ T903] [ 8418.704676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8418.704676][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8418.704676][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8418.704676][ T903] ipv6_find_idev+0x102/0x170 [ 8418.704676][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8418.704676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8418.704676][ T903] netlink_rcv_skb+0x130/0x360 [ 8418.704676][ T903] netlink_unicast+0x449/0x710 [ 8418.704676][ T903] netlink_sendmsg+0x723/0xbe0 [ 8418.704676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8418.704676][ T903] ___sys_sendmsg+0xee/0x170 [ 8418.704676][ T903] __sys_sendmsg+0xcd/0x170 [ 8418.704676][ T903] do_syscall_64+0xc6/0x1e0 [ 8418.704676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8418.704676][ T903] [ 8428.709879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8428.710379][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8428.710379][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8428.710379][ T903] ip6_validate_gw+0x3eb/0x790 [ 8428.710379][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8428.710379][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8428.710379][ T903] ip6_route_add+0x1c/0x140 [ 8428.710379][ T903] inet6_rtm_newroute+0x104/0x110 [ 8428.710379][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.710379][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.710379][ T903] netlink_unicast+0x449/0x710 [ 8428.710379][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.710379][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.710379][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.710379][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.710379][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.710379][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8428.710379][ T903] [ 8428.712483][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8428.712483][ T903] netdev_get_by_index+0x5e/0x80 [ 8428.712483][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8428.712483][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8428.712483][ T903] ip6_route_add+0x1c/0x140 [ 8428.712483][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8428.712483][ T903] inet6_addr_add+0x4f8/0xa40 [ 8428.712483][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8428.712483][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.712483][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.712483][ T903] netlink_unicast+0x449/0x710 [ 8428.712483][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.712483][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.712483][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.712483][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.712483][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.712483][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8428.712483][ T903] [ 8428.715191][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8428.715191][ T903] netdev_get_by_index+0x5e/0x80 [ 8428.715191][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8428.715191][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8428.715191][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8428.715191][ T903] ipv6_add_addr+0x411/0x2000 [ 8428.715191][ T903] inet6_addr_add+0x30e/0xa40 [ 8428.715191][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8428.715191][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.715191][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.715191][ T903] netlink_unicast+0x449/0x710 [ 8428.715191][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.715191][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.715191][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.715191][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.715191][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.715191][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8428.715191][ T903] [ 8428.717388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8428.717388][ T903] netdev_get_by_index+0x5e/0x80 [ 8428.717388][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8428.717388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8428.717388][ T903] ip6_route_add+0x1c/0x140 [ 8428.717388][ T903] addrconf_add_mroute+0x129/0x180 [ 8428.717388][ T903] addrconf_add_dev+0xe2/0x170 [ 8428.717388][ T903] inet6_addr_add+0x12f/0xa40 [ 8428.717388][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8428.717388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.717388][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.717388][ T903] netlink_unicast+0x449/0x710 [ 8428.717388][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.717388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.717388][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.717388][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.717388][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.717388][ T903] [ 8428.719546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8428.719546][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8428.719546][ T903] ipv6_find_idev+0x102/0x170 [ 8428.719546][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8428.719546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.719546][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.719546][ T903] netlink_unicast+0x449/0x710 [ 8428.719546][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.719546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.719546][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.719546][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.719546][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.719546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8428.719546][ T903] [ 8428.721240][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8428.721240][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8428.721240][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8428.721240][ T903] ipv6_find_idev+0x102/0x170 [ 8428.721240][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8428.721240][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8428.721240][ T903] netlink_rcv_skb+0x130/0x360 [ 8428.721240][ T903] netlink_unicast+0x449/0x710 [ 8428.721240][ T903] netlink_sendmsg+0x723/0xbe0 [ 8428.721240][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8428.721240][ T903] ___sys_sendmsg+0xee/0x170 [ 8428.721240][ T903] __sys_sendmsg+0xcd/0x170 [ 8428.721240][ T903] do_syscall_64+0xc6/0x1e0 [ 8428.721240][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8428.721240][ T903] [ 8438.973803][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8438.974303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8438.974303][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8438.974303][ T903] ip6_validate_gw+0x3eb/0x790 [ 8438.974303][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8438.974303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8438.974303][ T903] ip6_route_add+0x1c/0x140 [ 8438.974303][ T903] inet6_rtm_newroute+0x104/0x110 [ 8438.974303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.974303][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.974303][ T903] netlink_unicast+0x449/0x710 [ 8438.974303][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.974303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.974303][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.974303][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.974303][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.974303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.974303][ T903] [ 8438.976418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8438.976418][ T903] netdev_get_by_index+0x5e/0x80 [ 8438.976418][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8438.976418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8438.976418][ T903] ip6_route_add+0x1c/0x140 [ 8438.976418][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8438.976418][ T903] inet6_addr_add+0x4f8/0xa40 [ 8438.976418][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.976418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.976418][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.976418][ T903] netlink_unicast+0x449/0x710 [ 8438.976418][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.976418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.976418][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.976418][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.976418][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.976418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.976418][ T903] [ 8438.978628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8438.978628][ T903] netdev_get_by_index+0x5e/0x80 [ 8438.978628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8438.978628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8438.978628][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8438.978628][ T903] ipv6_add_addr+0x411/0x2000 [ 8438.978628][ T903] inet6_addr_add+0x30e/0xa40 [ 8438.978628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.978628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.978628][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.978628][ T903] netlink_unicast+0x449/0x710 [ 8438.978628][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.978628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.978628][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.978628][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.978628][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.978628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.978628][ T903] [ 8438.981228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8438.981228][ T903] netdev_get_by_index+0x5e/0x80 [ 8438.981228][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8438.981228][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8438.981228][ T903] ip6_route_add+0x1c/0x140 [ 8438.981228][ T903] addrconf_add_mroute+0x129/0x180 [ 8438.981228][ T903] addrconf_add_dev+0xe2/0x170 [ 8438.981228][ T903] inet6_addr_add+0x12f/0xa40 [ 8438.981228][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8438.981228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.981228][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.981228][ T903] netlink_unicast+0x449/0x710 [ 8438.981228][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.981228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.981228][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.981228][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.981228][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.981228][ T903] [ 8438.983388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8438.983388][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8438.983388][ T903] ipv6_find_idev+0x102/0x170 [ 8438.983388][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8438.983388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.983388][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.983388][ T903] netlink_unicast+0x449/0x710 [ 8438.983388][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.983388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.983388][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.983388][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.983388][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.983388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.983388][ T903] [ 8438.985086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8438.985086][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8438.985086][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8438.985086][ T903] ipv6_find_idev+0x102/0x170 [ 8438.985086][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8438.985086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8438.985086][ T903] netlink_rcv_skb+0x130/0x360 [ 8438.985086][ T903] netlink_unicast+0x449/0x710 [ 8438.985086][ T903] netlink_sendmsg+0x723/0xbe0 [ 8438.985086][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8438.985086][ T903] ___sys_sendmsg+0xee/0x170 [ 8438.985086][ T903] __sys_sendmsg+0xcd/0x170 [ 8438.985086][ T903] do_syscall_64+0xc6/0x1e0 [ 8438.985086][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8438.985086][ T903] [ 8449.237814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8449.238332][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8449.238332][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8449.238332][ T903] ip6_validate_gw+0x3eb/0x790 [ 8449.238332][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8449.238332][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8449.238332][ T903] ip6_route_add+0x1c/0x140 [ 8449.238332][ T903] inet6_rtm_newroute+0x104/0x110 [ 8449.238332][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.238332][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.238332][ T903] netlink_unicast+0x449/0x710 [ 8449.238332][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.238332][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.238332][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.238332][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.238332][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.238332][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8449.238332][ T903] [ 8449.240433][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8449.240433][ T903] netdev_get_by_index+0x5e/0x80 [ 8449.240433][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8449.240433][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8449.240433][ T903] ip6_route_add+0x1c/0x140 [ 8449.240433][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8449.240433][ T903] inet6_addr_add+0x4f8/0xa40 [ 8449.240433][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8449.240433][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.240433][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.240433][ T903] netlink_unicast+0x449/0x710 [ 8449.240433][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.240433][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.240433][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.240433][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.240433][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.240433][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8449.240433][ T903] [ 8449.242639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8449.242639][ T903] netdev_get_by_index+0x5e/0x80 [ 8449.242639][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8449.242639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8449.242639][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8449.242639][ T903] ipv6_add_addr+0x411/0x2000 [ 8449.242639][ T903] inet6_addr_add+0x30e/0xa40 [ 8449.242639][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8449.242639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.242639][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.242639][ T903] netlink_unicast+0x449/0x710 [ 8449.242639][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.242639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.242639][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.242639][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.242639][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.242639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8449.242639][ T903] [ 8449.244849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8449.244849][ T903] netdev_get_by_index+0x5e/0x80 [ 8449.244849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8449.244849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8449.244849][ T903] ip6_route_add+0x1c/0x140 [ 8449.244849][ T903] addrconf_add_mroute+0x129/0x180 [ 8449.244849][ T903] addrconf_add_dev+0xe2/0x170 [ 8449.244849][ T903] inet6_addr_add+0x12f/0xa40 [ 8449.244849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8449.244849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.244849][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.244849][ T903] netlink_unicast+0x449/0x710 [ 8449.244849][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.244849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.244849][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.244849][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.244849][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.244849][ T903] [ 8449.247007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8449.247007][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8449.247007][ T903] ipv6_find_idev+0x102/0x170 [ 8449.247007][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8449.247007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.247007][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.247007][ T903] netlink_unicast+0x449/0x710 [ 8449.247007][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.247007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.247007][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.247007][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.247007][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.247007][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8449.247007][ T903] [ 8449.248701][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8449.248701][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8449.248701][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8449.248701][ T903] ipv6_find_idev+0x102/0x170 [ 8449.248701][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8449.248701][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8449.248701][ T903] netlink_rcv_skb+0x130/0x360 [ 8449.248701][ T903] netlink_unicast+0x449/0x710 [ 8449.248701][ T903] netlink_sendmsg+0x723/0xbe0 [ 8449.248701][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8449.248701][ T903] ___sys_sendmsg+0xee/0x170 [ 8449.248701][ T903] __sys_sendmsg+0xcd/0x170 [ 8449.248701][ T903] do_syscall_64+0xc6/0x1e0 [ 8449.248701][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8449.248701][ T903] [ 8459.501798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8459.502316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8459.502316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8459.502316][ T903] ip6_validate_gw+0x3eb/0x790 [ 8459.502316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8459.502316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8459.502316][ T903] ip6_route_add+0x1c/0x140 [ 8459.502316][ T903] inet6_rtm_newroute+0x104/0x110 [ 8459.502316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.502316][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.502316][ T903] netlink_unicast+0x449/0x710 [ 8459.502316][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.502316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.502316][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.502316][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.502316][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.502316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8459.502316][ T903] [ 8459.504435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8459.504435][ T903] netdev_get_by_index+0x5e/0x80 [ 8459.504435][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8459.504435][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8459.504435][ T903] ip6_route_add+0x1c/0x140 [ 8459.504435][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8459.504435][ T903] inet6_addr_add+0x4f8/0xa40 [ 8459.504435][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8459.504435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.504435][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.504435][ T903] netlink_unicast+0x449/0x710 [ 8459.504435][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.504435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.504435][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.504435][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.504435][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.504435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8459.504435][ T903] [ 8459.506645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8459.506645][ T903] netdev_get_by_index+0x5e/0x80 [ 8459.506645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8459.506645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8459.506645][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8459.506645][ T903] ipv6_add_addr+0x411/0x2000 [ 8459.506645][ T903] inet6_addr_add+0x30e/0xa40 [ 8459.506645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8459.506645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.506645][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.506645][ T903] netlink_unicast+0x449/0x710 [ 8459.506645][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.506645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.506645][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.506645][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.506645][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.506645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8459.506645][ T903] [ 8459.508843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8459.508843][ T903] netdev_get_by_index+0x5e/0x80 [ 8459.508843][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8459.508843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8459.508843][ T903] ip6_route_add+0x1c/0x140 [ 8459.508843][ T903] addrconf_add_mroute+0x129/0x180 [ 8459.508843][ T903] addrconf_add_dev+0xe2/0x170 [ 8459.508843][ T903] inet6_addr_add+0x12f/0xa40 [ 8459.508843][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8459.508843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.508843][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.508843][ T903] netlink_unicast+0x449/0x710 [ 8459.508843][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.508843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.508843][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.508843][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.508843][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.508843][ T903] [ 8459.511020][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8459.511020][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8459.511020][ T903] ipv6_find_idev+0x102/0x170 [ 8459.511020][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8459.511020][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.511020][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.511020][ T903] netlink_unicast+0x449/0x710 [ 8459.511020][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.511020][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.511020][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.511020][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.511020][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.511020][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8459.511020][ T903] [ 8459.512715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8459.512715][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8459.512715][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8459.512715][ T903] ipv6_find_idev+0x102/0x170 [ 8459.512715][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8459.512715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8459.512715][ T903] netlink_rcv_skb+0x130/0x360 [ 8459.512715][ T903] netlink_unicast+0x449/0x710 [ 8459.512715][ T903] netlink_sendmsg+0x723/0xbe0 [ 8459.512715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8459.512715][ T903] ___sys_sendmsg+0xee/0x170 [ 8459.512715][ T903] __sys_sendmsg+0xcd/0x170 [ 8459.512715][ T903] do_syscall_64+0xc6/0x1e0 [ 8459.512715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8459.512715][ T903] [ 8469.765909][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8469.766441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8469.766441][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8469.766441][ T903] ip6_validate_gw+0x3eb/0x790 [ 8469.766441][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8469.766441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8469.766441][ T903] ip6_route_add+0x1c/0x140 [ 8469.766441][ T903] inet6_rtm_newroute+0x104/0x110 [ 8469.766441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.766441][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.766441][ T903] netlink_unicast+0x449/0x710 [ 8469.766441][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.766441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.766441][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.766441][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.766441][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.766441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8469.766441][ T903] [ 8469.768674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8469.768674][ T903] netdev_get_by_index+0x5e/0x80 [ 8469.768674][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8469.768674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8469.768674][ T903] ip6_route_add+0x1c/0x140 [ 8469.768674][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8469.768674][ T903] inet6_addr_add+0x4f8/0xa40 [ 8469.768674][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8469.768674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.768674][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.768674][ T903] netlink_unicast+0x449/0x710 [ 8469.768674][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.768674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.768674][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.768674][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.768674][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.768674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8469.768674][ T903] [ 8469.771101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8469.771101][ T903] netdev_get_by_index+0x5e/0x80 [ 8469.771101][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8469.771101][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8469.771101][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8469.771101][ T903] ipv6_add_addr+0x411/0x2000 [ 8469.771101][ T903] inet6_addr_add+0x30e/0xa40 [ 8469.771101][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8469.771101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.771101][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.771101][ T903] netlink_unicast+0x449/0x710 [ 8469.771101][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.771101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.771101][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.771101][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.771101][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.771101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8469.771101][ T903] [ 8469.773468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8469.773468][ T903] netdev_get_by_index+0x5e/0x80 [ 8469.773468][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8469.773468][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8469.773468][ T903] ip6_route_add+0x1c/0x140 [ 8469.773468][ T903] addrconf_add_mroute+0x129/0x180 [ 8469.773468][ T903] addrconf_add_dev+0xe2/0x170 [ 8469.773468][ T903] inet6_addr_add+0x12f/0xa40 [ 8469.773468][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8469.773468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.773468][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.773468][ T903] netlink_unicast+0x449/0x710 [ 8469.773468][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.773468][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.773468][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.773468][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.773468][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.773468][ T903] [ 8469.775784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8469.775784][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8469.775784][ T903] ipv6_find_idev+0x102/0x170 [ 8469.775784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8469.775784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.775784][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.775784][ T903] netlink_unicast+0x449/0x710 [ 8469.775784][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.775784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.775784][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.775784][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.775784][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.775784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8469.775784][ T903] [ 8469.777572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8469.777572][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8469.777572][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8469.777572][ T903] ipv6_find_idev+0x102/0x170 [ 8469.777572][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8469.777572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8469.777572][ T903] netlink_rcv_skb+0x130/0x360 [ 8469.777572][ T903] netlink_unicast+0x449/0x710 [ 8469.777572][ T903] netlink_sendmsg+0x723/0xbe0 [ 8469.777572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8469.777572][ T903] ___sys_sendmsg+0xee/0x170 [ 8469.777572][ T903] __sys_sendmsg+0xcd/0x170 [ 8469.777572][ T903] do_syscall_64+0xc6/0x1e0 [ 8469.777572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8469.777572][ T903] [ 8479.957783][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8479.958302][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8479.958302][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8479.958302][ T903] ip6_validate_gw+0x3eb/0x790 [ 8479.958302][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8479.958302][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8479.958302][ T903] ip6_route_add+0x1c/0x140 [ 8479.958302][ T903] inet6_rtm_newroute+0x104/0x110 [ 8479.958302][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.958302][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.958302][ T903] netlink_unicast+0x449/0x710 [ 8479.958302][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.958302][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.958302][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.958302][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.958302][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.958302][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.958302][ T903] [ 8479.960453][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8479.960453][ T903] netdev_get_by_index+0x5e/0x80 [ 8479.960453][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8479.960453][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8479.960453][ T903] ip6_route_add+0x1c/0x140 [ 8479.960453][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8479.960453][ T903] inet6_addr_add+0x4f8/0xa40 [ 8479.960453][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.960453][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.960453][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.960453][ T903] netlink_unicast+0x449/0x710 [ 8479.960453][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.960453][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.960453][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.960453][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.960453][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.960453][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.960453][ T903] [ 8479.962795][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8479.962795][ T903] netdev_get_by_index+0x5e/0x80 [ 8479.962795][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8479.962795][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8479.962795][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8479.962795][ T903] ipv6_add_addr+0x411/0x2000 [ 8479.962795][ T903] inet6_addr_add+0x30e/0xa40 [ 8479.962795][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.962795][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.962795][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.962795][ T903] netlink_unicast+0x449/0x710 [ 8479.962795][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.962795][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.962795][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.962795][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.962795][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.962795][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.962795][ T903] [ 8479.965048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8479.965048][ T903] netdev_get_by_index+0x5e/0x80 [ 8479.965048][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8479.965048][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8479.965048][ T903] ip6_route_add+0x1c/0x140 [ 8479.965048][ T903] addrconf_add_mroute+0x129/0x180 [ 8479.965048][ T903] addrconf_add_dev+0xe2/0x170 [ 8479.965048][ T903] inet6_addr_add+0x12f/0xa40 [ 8479.965048][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8479.965048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.965048][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.965048][ T903] netlink_unicast+0x449/0x710 [ 8479.965048][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.965048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.965048][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.965048][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.965048][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.965048][ T903] [ 8479.967224][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8479.967224][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8479.967224][ T903] ipv6_find_idev+0x102/0x170 [ 8479.967224][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8479.967224][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.967224][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.967224][ T903] netlink_unicast+0x449/0x710 [ 8479.967224][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.967224][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.967224][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.967224][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.967224][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.967224][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.967224][ T903] [ 8479.969072][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8479.969072][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8479.969072][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8479.969072][ T903] ipv6_find_idev+0x102/0x170 [ 8479.969072][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8479.969072][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8479.969072][ T903] netlink_rcv_skb+0x130/0x360 [ 8479.969072][ T903] netlink_unicast+0x449/0x710 [ 8479.969072][ T903] netlink_sendmsg+0x723/0xbe0 [ 8479.969072][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8479.969072][ T903] ___sys_sendmsg+0xee/0x170 [ 8479.969072][ T903] __sys_sendmsg+0xcd/0x170 [ 8479.969072][ T903] do_syscall_64+0xc6/0x1e0 [ 8479.969072][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8479.969072][ T903] [ 8490.005843][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8490.020424][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8490.020424][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8490.020424][ T903] ip6_validate_gw+0x3eb/0x790 [ 8490.020424][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8490.020424][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8490.020424][ T903] ip6_route_add+0x1c/0x140 [ 8490.020424][ T903] inet6_rtm_newroute+0x104/0x110 [ 8490.020424][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.020424][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.020424][ T903] netlink_unicast+0x449/0x710 [ 8490.020424][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.020424][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.020424][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.020424][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.020424][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.020424][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8490.020424][ T903] [ 8490.025591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8490.025591][ T903] netdev_get_by_index+0x5e/0x80 [ 8490.025591][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8490.025591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8490.025591][ T903] ip6_route_add+0x1c/0x140 [ 8490.025591][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8490.025591][ T903] inet6_addr_add+0x4f8/0xa40 [ 8490.025591][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8490.025591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.025591][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.025591][ T903] netlink_unicast+0x449/0x710 [ 8490.025591][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.025591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.025591][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.025591][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.025591][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.025591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8490.025591][ T903] [ 8490.030760][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8490.030760][ T903] netdev_get_by_index+0x5e/0x80 [ 8490.030760][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8490.030760][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8490.030760][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8490.030760][ T903] ipv6_add_addr+0x411/0x2000 [ 8490.030760][ T903] inet6_addr_add+0x30e/0xa40 [ 8490.030760][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8490.030760][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.030760][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.030760][ T903] netlink_unicast+0x449/0x710 [ 8490.030760][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.030760][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.030760][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.030760][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.030760][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.030760][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8490.030760][ T903] [ 8490.035972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8490.035972][ T903] netdev_get_by_index+0x5e/0x80 [ 8490.035972][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8490.035972][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8490.035972][ T903] ip6_route_add+0x1c/0x140 [ 8490.035972][ T903] addrconf_add_mroute+0x129/0x180 [ 8490.035972][ T903] addrconf_add_dev+0xe2/0x170 [ 8490.035972][ T903] inet6_addr_add+0x12f/0xa40 [ 8490.035972][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8490.035972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.035972][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.035972][ T903] netlink_unicast+0x449/0x710 [ 8490.035972][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.035972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.035972][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.035972][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.035972][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.035972][ T903] [ 8490.040974][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8490.040974][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8490.040974][ T903] ipv6_find_idev+0x102/0x170 [ 8490.040974][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8490.040974][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.040974][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.040974][ T903] netlink_unicast+0x449/0x710 [ 8490.040974][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.040974][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.040974][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.040974][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.040974][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.040974][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8490.040974][ T903] [ 8490.044768][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8490.044768][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8490.044768][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8490.044768][ T903] ipv6_find_idev+0x102/0x170 [ 8490.044768][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8490.044768][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8490.044768][ T903] netlink_rcv_skb+0x130/0x360 [ 8490.044768][ T903] netlink_unicast+0x449/0x710 [ 8490.044768][ T903] netlink_sendmsg+0x723/0xbe0 [ 8490.044768][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8490.044768][ T903] ___sys_sendmsg+0xee/0x170 [ 8490.044768][ T903] __sys_sendmsg+0xcd/0x170 [ 8490.044768][ T903] do_syscall_64+0xc6/0x1e0 [ 8490.044768][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8490.044768][ T903] [ 8500.293860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8500.294683][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8500.294683][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8500.294683][ T903] ip6_validate_gw+0x3eb/0x790 [ 8500.294683][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8500.294683][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8500.294683][ T903] ip6_route_add+0x1c/0x140 [ 8500.294683][ T903] inet6_rtm_newroute+0x104/0x110 [ 8500.294683][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.294683][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.294683][ T903] netlink_unicast+0x449/0x710 [ 8500.294683][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.294683][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.294683][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.294683][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.294683][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.294683][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8500.294683][ T903] [ 8500.298728][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8500.298728][ T903] netdev_get_by_index+0x5e/0x80 [ 8500.298728][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8500.298728][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8500.298728][ T903] ip6_route_add+0x1c/0x140 [ 8500.298728][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8500.298728][ T903] inet6_addr_add+0x4f8/0xa40 [ 8500.298728][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8500.298728][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.298728][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.298728][ T903] netlink_unicast+0x449/0x710 [ 8500.298728][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.298728][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.298728][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.298728][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.298728][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.298728][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8500.298728][ T903] [ 8500.304125][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8500.304125][ T903] netdev_get_by_index+0x5e/0x80 [ 8500.304125][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8500.304125][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8500.304125][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8500.304125][ T903] ipv6_add_addr+0x411/0x2000 [ 8500.304125][ T903] inet6_addr_add+0x30e/0xa40 [ 8500.304125][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8500.304125][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.304125][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.304125][ T903] netlink_unicast+0x449/0x710 [ 8500.304125][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.304125][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.304125][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.304125][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.304125][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.304125][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8500.304125][ T903] [ 8500.309354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8500.309354][ T903] netdev_get_by_index+0x5e/0x80 [ 8500.309354][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8500.309354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8500.309354][ T903] ip6_route_add+0x1c/0x140 [ 8500.309354][ T903] addrconf_add_mroute+0x129/0x180 [ 8500.309354][ T903] addrconf_add_dev+0xe2/0x170 [ 8500.309354][ T903] inet6_addr_add+0x12f/0xa40 [ 8500.309354][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8500.309354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.309354][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.309354][ T903] netlink_unicast+0x449/0x710 [ 8500.309354][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.309354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.309354][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.309354][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.309354][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.309354][ T903] [ 8500.314468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8500.314468][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8500.314468][ T903] ipv6_find_idev+0x102/0x170 [ 8500.314468][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8500.314468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.314468][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.314468][ T903] netlink_unicast+0x449/0x710 [ 8500.314468][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.314468][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.314468][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.314468][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.314468][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.314468][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8500.314468][ T903] [ 8500.319682][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8500.319682][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8500.319682][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8500.319682][ T903] ipv6_find_idev+0x102/0x170 [ 8500.319682][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8500.319682][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8500.319682][ T903] netlink_rcv_skb+0x130/0x360 [ 8500.319682][ T903] netlink_unicast+0x449/0x710 [ 8500.319682][ T903] netlink_sendmsg+0x723/0xbe0 [ 8500.319682][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8500.319682][ T903] ___sys_sendmsg+0xee/0x170 [ 8500.319682][ T903] __sys_sendmsg+0xcd/0x170 [ 8500.319682][ T903] do_syscall_64+0xc6/0x1e0 [ 8500.319682][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8500.319682][ T903] [ 8510.573893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8510.574417][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8510.574417][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8510.574417][ T903] ip6_validate_gw+0x3eb/0x790 [ 8510.574417][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8510.574417][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8510.574417][ T903] ip6_route_add+0x1c/0x140 [ 8510.574417][ T903] inet6_rtm_newroute+0x104/0x110 [ 8510.574417][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.574417][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.574417][ T903] netlink_unicast+0x449/0x710 [ 8510.574417][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.574417][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.574417][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.574417][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.574417][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.574417][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8510.574417][ T903] [ 8510.576982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8510.576982][ T903] netdev_get_by_index+0x5e/0x80 [ 8510.576982][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8510.576982][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8510.576982][ T903] ip6_route_add+0x1c/0x140 [ 8510.576982][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8510.576982][ T903] inet6_addr_add+0x4f8/0xa40 [ 8510.576982][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8510.576982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.576982][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.576982][ T903] netlink_unicast+0x449/0x710 [ 8510.576982][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.576982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.576982][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.576982][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.576982][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.576982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8510.576982][ T903] [ 8510.579530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8510.579530][ T903] netdev_get_by_index+0x5e/0x80 [ 8510.579530][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8510.579530][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8510.579530][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8510.579530][ T903] ipv6_add_addr+0x411/0x2000 [ 8510.579530][ T903] inet6_addr_add+0x30e/0xa40 [ 8510.579530][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8510.579530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.579530][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.579530][ T903] netlink_unicast+0x449/0x710 [ 8510.579530][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.579530][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.579530][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.579530][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.579530][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.579530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8510.579530][ T903] [ 8510.582041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8510.582041][ T903] netdev_get_by_index+0x5e/0x80 [ 8510.582041][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8510.582041][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8510.582041][ T903] ip6_route_add+0x1c/0x140 [ 8510.582041][ T903] addrconf_add_mroute+0x129/0x180 [ 8510.582041][ T903] addrconf_add_dev+0xe2/0x170 [ 8510.582041][ T903] inet6_addr_add+0x12f/0xa40 [ 8510.582041][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8510.582041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.582041][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.582041][ T903] netlink_unicast+0x449/0x710 [ 8510.582041][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.582041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.582041][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.582041][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.582041][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.582041][ T903] [ 8510.584518][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8510.584518][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8510.584518][ T903] ipv6_find_idev+0x102/0x170 [ 8510.584518][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8510.584518][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.584518][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.584518][ T903] netlink_unicast+0x449/0x710 [ 8510.584518][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.584518][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.584518][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.584518][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.584518][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.584518][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8510.584518][ T903] [ 8510.586428][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8510.586428][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8510.586428][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8510.586428][ T903] ipv6_find_idev+0x102/0x170 [ 8510.586428][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8510.586428][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8510.586428][ T903] netlink_rcv_skb+0x130/0x360 [ 8510.586428][ T903] netlink_unicast+0x449/0x710 [ 8510.586428][ T903] netlink_sendmsg+0x723/0xbe0 [ 8510.586428][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8510.586428][ T903] ___sys_sendmsg+0xee/0x170 [ 8510.586428][ T903] __sys_sendmsg+0xcd/0x170 [ 8510.586428][ T903] do_syscall_64+0xc6/0x1e0 [ 8510.586428][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8510.586428][ T903] [ 8520.829860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8520.830693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8520.830693][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8520.830693][ T903] ip6_validate_gw+0x3eb/0x790 [ 8520.830693][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8520.830693][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8520.830693][ T903] ip6_route_add+0x1c/0x140 [ 8520.830693][ T903] inet6_rtm_newroute+0x104/0x110 [ 8520.830693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.830693][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.830693][ T903] netlink_unicast+0x449/0x710 [ 8520.830693][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.830693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.830693][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.830693][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.830693][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.830693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.830693][ T903] [ 8520.833039][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8520.833039][ T903] netdev_get_by_index+0x5e/0x80 [ 8520.833039][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8520.833039][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8520.833039][ T903] ip6_route_add+0x1c/0x140 [ 8520.833039][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8520.833039][ T903] inet6_addr_add+0x4f8/0xa40 [ 8520.833039][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.833039][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.833039][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.833039][ T903] netlink_unicast+0x449/0x710 [ 8520.833039][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.833039][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.833039][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.833039][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.833039][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.833039][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.833039][ T903] [ 8520.835510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8520.835510][ T903] netdev_get_by_index+0x5e/0x80 [ 8520.835510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8520.835510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8520.835510][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8520.835510][ T903] ipv6_add_addr+0x411/0x2000 [ 8520.835510][ T903] inet6_addr_add+0x30e/0xa40 [ 8520.835510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.835510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.835510][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.835510][ T903] netlink_unicast+0x449/0x710 [ 8520.835510][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.835510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.835510][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.835510][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.835510][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.835510][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.835510][ T903] [ 8520.837977][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8520.837977][ T903] netdev_get_by_index+0x5e/0x80 [ 8520.837977][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8520.837977][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8520.837977][ T903] ip6_route_add+0x1c/0x140 [ 8520.837977][ T903] addrconf_add_mroute+0x129/0x180 [ 8520.837977][ T903] addrconf_add_dev+0xe2/0x170 [ 8520.837977][ T903] inet6_addr_add+0x12f/0xa40 [ 8520.837977][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8520.837977][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.837977][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.837977][ T903] netlink_unicast+0x449/0x710 [ 8520.837977][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.837977][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.837977][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.837977][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.837977][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.837977][ T903] [ 8520.840337][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8520.840337][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8520.840337][ T903] ipv6_find_idev+0x102/0x170 [ 8520.840337][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8520.840337][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.840337][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.840337][ T903] netlink_unicast+0x449/0x710 [ 8520.840337][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.840337][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.840337][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.840337][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.840337][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.840337][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.840337][ T903] [ 8520.842183][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8520.842183][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8520.842183][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8520.842183][ T903] ipv6_find_idev+0x102/0x170 [ 8520.842183][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8520.842183][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8520.842183][ T903] netlink_rcv_skb+0x130/0x360 [ 8520.842183][ T903] netlink_unicast+0x449/0x710 [ 8520.842183][ T903] netlink_sendmsg+0x723/0xbe0 [ 8520.842183][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8520.842183][ T903] ___sys_sendmsg+0xee/0x170 [ 8520.842183][ T903] __sys_sendmsg+0xcd/0x170 [ 8520.842183][ T903] do_syscall_64+0xc6/0x1e0 [ 8520.842183][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8520.842183][ T903] [ 8531.085802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8531.086291][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8531.086291][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8531.086291][ T903] ip6_validate_gw+0x3eb/0x790 [ 8531.086291][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8531.086291][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8531.086291][ T903] ip6_route_add+0x1c/0x140 [ 8531.086291][ T903] inet6_rtm_newroute+0x104/0x110 [ 8531.086291][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.086291][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.086291][ T903] netlink_unicast+0x449/0x710 [ 8531.086291][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.086291][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.086291][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.086291][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.086291][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.086291][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8531.086291][ T903] [ 8531.088575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8531.088575][ T903] netdev_get_by_index+0x5e/0x80 [ 8531.088575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8531.088575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8531.088575][ T903] ip6_route_add+0x1c/0x140 [ 8531.088575][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8531.088575][ T903] inet6_addr_add+0x4f8/0xa40 [ 8531.088575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8531.088575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.088575][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.088575][ T903] netlink_unicast+0x449/0x710 [ 8531.088575][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.088575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.088575][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.088575][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.088575][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.088575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8531.088575][ T903] [ 8531.091007][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8531.091007][ T903] netdev_get_by_index+0x5e/0x80 [ 8531.091007][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8531.091007][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8531.091007][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8531.091007][ T903] ipv6_add_addr+0x411/0x2000 [ 8531.091007][ T903] inet6_addr_add+0x30e/0xa40 [ 8531.091007][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8531.091007][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.091007][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.091007][ T903] netlink_unicast+0x449/0x710 [ 8531.091007][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.091007][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.091007][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.091007][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.091007][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.091007][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8531.091007][ T903] [ 8531.093457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8531.093457][ T903] netdev_get_by_index+0x5e/0x80 [ 8531.093457][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8531.093457][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8531.093457][ T903] ip6_route_add+0x1c/0x140 [ 8531.093457][ T903] addrconf_add_mroute+0x129/0x180 [ 8531.093457][ T903] addrconf_add_dev+0xe2/0x170 [ 8531.093457][ T903] inet6_addr_add+0x12f/0xa40 [ 8531.093457][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8531.093457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.093457][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.093457][ T903] netlink_unicast+0x449/0x710 [ 8531.093457][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.093457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.093457][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.093457][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.093457][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.093457][ T903] [ 8531.095830][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8531.095830][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8531.095830][ T903] ipv6_find_idev+0x102/0x170 [ 8531.095830][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8531.095830][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.095830][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.095830][ T903] netlink_unicast+0x449/0x710 [ 8531.095830][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.095830][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.095830][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.095830][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.095830][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.095830][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8531.095830][ T903] [ 8531.097691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8531.097691][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8531.097691][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8531.097691][ T903] ipv6_find_idev+0x102/0x170 [ 8531.097691][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8531.097691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8531.097691][ T903] netlink_rcv_skb+0x130/0x360 [ 8531.097691][ T903] netlink_unicast+0x449/0x710 [ 8531.097691][ T903] netlink_sendmsg+0x723/0xbe0 [ 8531.097691][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8531.097691][ T903] ___sys_sendmsg+0xee/0x170 [ 8531.097691][ T903] __sys_sendmsg+0xcd/0x170 [ 8531.097691][ T903] do_syscall_64+0xc6/0x1e0 [ 8531.097691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8531.097691][ T903] [ 8541.341798][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8541.342506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8541.342506][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8541.342506][ T903] ip6_validate_gw+0x3eb/0x790 [ 8541.342506][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8541.342506][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8541.342506][ T903] ip6_route_add+0x1c/0x140 [ 8541.342506][ T903] inet6_rtm_newroute+0x104/0x110 [ 8541.342506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.342506][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.342506][ T903] netlink_unicast+0x449/0x710 [ 8541.342506][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.342506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.342506][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.342506][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.342506][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.342506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8541.342506][ T903] [ 8541.344859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8541.344859][ T903] netdev_get_by_index+0x5e/0x80 [ 8541.344859][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8541.344859][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8541.344859][ T903] ip6_route_add+0x1c/0x140 [ 8541.344859][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8541.344859][ T903] inet6_addr_add+0x4f8/0xa40 [ 8541.344859][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8541.344859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.344859][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.344859][ T903] netlink_unicast+0x449/0x710 [ 8541.344859][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.344859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.344859][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.344859][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.344859][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.344859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8541.344859][ T903] [ 8541.347404][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8541.347404][ T903] netdev_get_by_index+0x5e/0x80 [ 8541.347404][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8541.347404][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8541.347404][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8541.347404][ T903] ipv6_add_addr+0x411/0x2000 [ 8541.347404][ T903] inet6_addr_add+0x30e/0xa40 [ 8541.347404][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8541.347404][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.347404][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.347404][ T903] netlink_unicast+0x449/0x710 [ 8541.347404][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.347404][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.347404][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.347404][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.347404][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.347404][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8541.347404][ T903] [ 8541.349899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8541.349899][ T903] netdev_get_by_index+0x5e/0x80 [ 8541.349899][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8541.349899][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8541.349899][ T903] ip6_route_add+0x1c/0x140 [ 8541.349899][ T903] addrconf_add_mroute+0x129/0x180 [ 8541.349899][ T903] addrconf_add_dev+0xe2/0x170 [ 8541.349899][ T903] inet6_addr_add+0x12f/0xa40 [ 8541.349899][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8541.349899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.349899][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.349899][ T903] netlink_unicast+0x449/0x710 [ 8541.349899][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.349899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.349899][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.349899][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.349899][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.349899][ T903] [ 8541.352402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8541.352402][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8541.352402][ T903] ipv6_find_idev+0x102/0x170 [ 8541.352402][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8541.352402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.352402][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.352402][ T903] netlink_unicast+0x449/0x710 [ 8541.352402][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.352402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.352402][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.352402][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.352402][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.352402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8541.352402][ T903] [ 8541.354303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8541.354303][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8541.354303][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8541.354303][ T903] ipv6_find_idev+0x102/0x170 [ 8541.354303][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8541.354303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8541.354303][ T903] netlink_rcv_skb+0x130/0x360 [ 8541.354303][ T903] netlink_unicast+0x449/0x710 [ 8541.354303][ T903] netlink_sendmsg+0x723/0xbe0 [ 8541.354303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8541.354303][ T903] ___sys_sendmsg+0xee/0x170 [ 8541.354303][ T903] __sys_sendmsg+0xcd/0x170 [ 8541.354303][ T903] do_syscall_64+0xc6/0x1e0 [ 8541.354303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8541.354303][ T903] [ 8551.469811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8551.470336][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8551.470336][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8551.470336][ T903] ip6_validate_gw+0x3eb/0x790 [ 8551.470336][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8551.470336][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8551.470336][ T903] ip6_route_add+0x1c/0x140 [ 8551.470336][ T903] inet6_rtm_newroute+0x104/0x110 [ 8551.470336][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.470336][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.470336][ T903] netlink_unicast+0x449/0x710 [ 8551.470336][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.470336][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.470336][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.470336][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.470336][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.470336][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8551.470336][ T903] [ 8551.472727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8551.472727][ T903] netdev_get_by_index+0x5e/0x80 [ 8551.472727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8551.472727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8551.472727][ T903] ip6_route_add+0x1c/0x140 [ 8551.472727][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8551.472727][ T903] inet6_addr_add+0x4f8/0xa40 [ 8551.472727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8551.472727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.472727][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.472727][ T903] netlink_unicast+0x449/0x710 [ 8551.472727][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.472727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.472727][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.472727][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.472727][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.472727][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8551.472727][ T903] [ 8551.475233][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8551.475233][ T903] netdev_get_by_index+0x5e/0x80 [ 8551.475233][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8551.475233][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8551.475233][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8551.475233][ T903] ipv6_add_addr+0x411/0x2000 [ 8551.475233][ T903] inet6_addr_add+0x30e/0xa40 [ 8551.475233][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8551.475233][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.475233][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.475233][ T903] netlink_unicast+0x449/0x710 [ 8551.475233][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.475233][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.475233][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.475233][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.475233][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.475233][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8551.475233][ T903] [ 8551.477800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8551.477800][ T903] netdev_get_by_index+0x5e/0x80 [ 8551.477800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8551.477800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8551.477800][ T903] ip6_route_add+0x1c/0x140 [ 8551.477800][ T903] addrconf_add_mroute+0x129/0x180 [ 8551.477800][ T903] addrconf_add_dev+0xe2/0x170 [ 8551.477800][ T903] inet6_addr_add+0x12f/0xa40 [ 8551.477800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8551.477800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.477800][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.477800][ T903] netlink_unicast+0x449/0x710 [ 8551.477800][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.477800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.477800][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.477800][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.477800][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.477800][ T903] [ 8551.480270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8551.480270][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8551.480270][ T903] ipv6_find_idev+0x102/0x170 [ 8551.480270][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8551.480270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.480270][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.480270][ T903] netlink_unicast+0x449/0x710 [ 8551.480270][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.480270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.480270][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.480270][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.480270][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.480270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8551.480270][ T903] [ 8551.482190][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8551.482190][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8551.482190][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8551.482190][ T903] ipv6_find_idev+0x102/0x170 [ 8551.482190][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8551.482190][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8551.482190][ T903] netlink_rcv_skb+0x130/0x360 [ 8551.482190][ T903] netlink_unicast+0x449/0x710 [ 8551.482190][ T903] netlink_sendmsg+0x723/0xbe0 [ 8551.482190][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8551.482190][ T903] ___sys_sendmsg+0xee/0x170 [ 8551.482190][ T903] __sys_sendmsg+0xcd/0x170 [ 8551.482190][ T903] do_syscall_64+0xc6/0x1e0 [ 8551.482190][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8551.482190][ T903] [ 8561.501796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8561.502287][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8561.502287][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8561.502287][ T903] ip6_validate_gw+0x3eb/0x790 [ 8561.502287][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8561.502287][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8561.502287][ T903] ip6_route_add+0x1c/0x140 [ 8561.502287][ T903] inet6_rtm_newroute+0x104/0x110 [ 8561.502287][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.502287][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.502287][ T903] netlink_unicast+0x449/0x710 [ 8561.502287][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.502287][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.502287][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.502287][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.502287][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.502287][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.502287][ T903] [ 8561.504577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8561.504577][ T903] netdev_get_by_index+0x5e/0x80 [ 8561.504577][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8561.504577][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8561.504577][ T903] ip6_route_add+0x1c/0x140 [ 8561.504577][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8561.504577][ T903] inet6_addr_add+0x4f8/0xa40 [ 8561.504577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.504577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.504577][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.504577][ T903] netlink_unicast+0x449/0x710 [ 8561.504577][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.504577][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.504577][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.504577][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.504577][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.504577][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.504577][ T903] [ 8561.506994][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8561.506994][ T903] netdev_get_by_index+0x5e/0x80 [ 8561.506994][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8561.506994][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8561.506994][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8561.506994][ T903] ipv6_add_addr+0x411/0x2000 [ 8561.506994][ T903] inet6_addr_add+0x30e/0xa40 [ 8561.506994][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.506994][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.506994][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.506994][ T903] netlink_unicast+0x449/0x710 [ 8561.506994][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.506994][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.506994][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.506994][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.506994][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.506994][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.506994][ T903] [ 8561.509458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8561.509458][ T903] netdev_get_by_index+0x5e/0x80 [ 8561.509458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8561.509458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8561.509458][ T903] ip6_route_add+0x1c/0x140 [ 8561.509458][ T903] addrconf_add_mroute+0x129/0x180 [ 8561.509458][ T903] addrconf_add_dev+0xe2/0x170 [ 8561.509458][ T903] inet6_addr_add+0x12f/0xa40 [ 8561.509458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8561.509458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.509458][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.509458][ T903] netlink_unicast+0x449/0x710 [ 8561.509458][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.509458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.509458][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.509458][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.509458][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.509458][ T903] [ 8561.511831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8561.511831][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8561.511831][ T903] ipv6_find_idev+0x102/0x170 [ 8561.511831][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8561.511831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.511831][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.511831][ T903] netlink_unicast+0x449/0x710 [ 8561.511831][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.511831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.511831][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.511831][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.511831][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.511831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.511831][ T903] [ 8561.513684][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8561.513684][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8561.513684][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8561.513684][ T903] ipv6_find_idev+0x102/0x170 [ 8561.513684][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8561.513684][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8561.513684][ T903] netlink_rcv_skb+0x130/0x360 [ 8561.513684][ T903] netlink_unicast+0x449/0x710 [ 8561.513684][ T903] netlink_sendmsg+0x723/0xbe0 [ 8561.513684][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8561.513684][ T903] ___sys_sendmsg+0xee/0x170 [ 8561.513684][ T903] __sys_sendmsg+0xcd/0x170 [ 8561.513684][ T903] do_syscall_64+0xc6/0x1e0 [ 8561.513684][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8561.513684][ T903] [ 8571.549791][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8571.550287][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8571.550287][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8571.550287][ T903] ip6_validate_gw+0x3eb/0x790 [ 8571.550287][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8571.550287][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8571.550287][ T903] ip6_route_add+0x1c/0x140 [ 8571.550287][ T903] inet6_rtm_newroute+0x104/0x110 [ 8571.550287][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.550287][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.550287][ T903] netlink_unicast+0x449/0x710 [ 8571.550287][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.550287][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.550287][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.550287][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.550287][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.550287][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.550287][ T903] [ 8571.552571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8571.552571][ T903] netdev_get_by_index+0x5e/0x80 [ 8571.552571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8571.552571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8571.552571][ T903] ip6_route_add+0x1c/0x140 [ 8571.552571][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8571.552571][ T903] inet6_addr_add+0x4f8/0xa40 [ 8571.552571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.552571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.552571][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.552571][ T903] netlink_unicast+0x449/0x710 [ 8571.552571][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.552571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.552571][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.552571][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.552571][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.552571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.552571][ T903] [ 8571.555081][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8571.555081][ T903] netdev_get_by_index+0x5e/0x80 [ 8571.555081][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8571.555081][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8571.555081][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8571.555081][ T903] ipv6_add_addr+0x411/0x2000 [ 8571.555081][ T903] inet6_addr_add+0x30e/0xa40 [ 8571.555081][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.555081][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.555081][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.555081][ T903] netlink_unicast+0x449/0x710 [ 8571.555081][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.555081][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.555081][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.555081][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.555081][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.555081][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.555081][ T903] [ 8571.557480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8571.557480][ T903] netdev_get_by_index+0x5e/0x80 [ 8571.557480][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8571.557480][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8571.557480][ T903] ip6_route_add+0x1c/0x140 [ 8571.557480][ T903] addrconf_add_mroute+0x129/0x180 [ 8571.557480][ T903] addrconf_add_dev+0xe2/0x170 [ 8571.557480][ T903] inet6_addr_add+0x12f/0xa40 [ 8571.557480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8571.557480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.557480][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.557480][ T903] netlink_unicast+0x449/0x710 [ 8571.557480][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.557480][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.557480][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.557480][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.557480][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.557480][ T903] [ 8571.559844][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8571.559844][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8571.559844][ T903] ipv6_find_idev+0x102/0x170 [ 8571.559844][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.559844][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.559844][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.559844][ T903] netlink_unicast+0x449/0x710 [ 8571.559844][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.559844][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.559844][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.559844][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.559844][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.559844][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.559844][ T903] [ 8571.561692][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8571.561692][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8571.561692][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8571.561692][ T903] ipv6_find_idev+0x102/0x170 [ 8571.561692][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8571.561692][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8571.561692][ T903] netlink_rcv_skb+0x130/0x360 [ 8571.561692][ T903] netlink_unicast+0x449/0x710 [ 8571.561692][ T903] netlink_sendmsg+0x723/0xbe0 [ 8571.561692][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8571.561692][ T903] ___sys_sendmsg+0xee/0x170 [ 8571.561692][ T903] __sys_sendmsg+0xcd/0x170 [ 8571.561692][ T903] do_syscall_64+0xc6/0x1e0 [ 8571.561692][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8571.561692][ T903] [ 8581.837850][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8581.838314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8581.838314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8581.838314][ T903] ip6_validate_gw+0x3eb/0x790 [ 8581.838314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8581.838314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8581.838314][ T903] ip6_route_add+0x1c/0x140 [ 8581.838314][ T903] inet6_rtm_newroute+0x104/0x110 [ 8581.838314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.838314][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.838314][ T903] netlink_unicast+0x449/0x710 [ 8581.838314][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.838314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.838314][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.838314][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.838314][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.838314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.838314][ T903] [ 8581.840609][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8581.840609][ T903] netdev_get_by_index+0x5e/0x80 [ 8581.840609][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8581.840609][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8581.840609][ T903] ip6_route_add+0x1c/0x140 [ 8581.840609][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8581.840609][ T903] inet6_addr_add+0x4f8/0xa40 [ 8581.840609][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.840609][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.840609][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.840609][ T903] netlink_unicast+0x449/0x710 [ 8581.840609][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.840609][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.840609][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.840609][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.840609][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.840609][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.840609][ T903] [ 8581.843031][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8581.843031][ T903] netdev_get_by_index+0x5e/0x80 [ 8581.843031][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8581.843031][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8581.843031][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8581.843031][ T903] ipv6_add_addr+0x411/0x2000 [ 8581.843031][ T903] inet6_addr_add+0x30e/0xa40 [ 8581.843031][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.843031][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.843031][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.843031][ T903] netlink_unicast+0x449/0x710 [ 8581.843031][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.843031][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.843031][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.843031][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.843031][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.843031][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.843031][ T903] [ 8581.845431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8581.845431][ T903] netdev_get_by_index+0x5e/0x80 [ 8581.845431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8581.845431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8581.845431][ T903] ip6_route_add+0x1c/0x140 [ 8581.845431][ T903] addrconf_add_mroute+0x129/0x180 [ 8581.845431][ T903] addrconf_add_dev+0xe2/0x170 [ 8581.845431][ T903] inet6_addr_add+0x12f/0xa40 [ 8581.845431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8581.845431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.845431][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.845431][ T903] netlink_unicast+0x449/0x710 [ 8581.845431][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.845431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.845431][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.845431][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.845431][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.845431][ T903] [ 8581.847791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8581.847791][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8581.847791][ T903] ipv6_find_idev+0x102/0x170 [ 8581.847791][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.847791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.847791][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.847791][ T903] netlink_unicast+0x449/0x710 [ 8581.847791][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.847791][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.847791][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.847791][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.847791][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.847791][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.847791][ T903] [ 8581.849676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8581.849676][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8581.849676][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8581.849676][ T903] ipv6_find_idev+0x102/0x170 [ 8581.849676][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8581.849676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8581.849676][ T903] netlink_rcv_skb+0x130/0x360 [ 8581.849676][ T903] netlink_unicast+0x449/0x710 [ 8581.849676][ T903] netlink_sendmsg+0x723/0xbe0 [ 8581.849676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8581.849676][ T903] ___sys_sendmsg+0xee/0x170 [ 8581.849676][ T903] __sys_sendmsg+0xcd/0x170 [ 8581.849676][ T903] do_syscall_64+0xc6/0x1e0 [ 8581.849676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8581.849676][ T903] [ 8592.093789][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8592.094275][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8592.094275][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8592.094275][ T903] ip6_validate_gw+0x3eb/0x790 [ 8592.094275][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8592.094275][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8592.094275][ T903] ip6_route_add+0x1c/0x140 [ 8592.094275][ T903] inet6_rtm_newroute+0x104/0x110 [ 8592.094275][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.094275][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.094275][ T903] netlink_unicast+0x449/0x710 [ 8592.094275][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.094275][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.094275][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.094275][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.094275][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.094275][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8592.094275][ T903] [ 8592.097316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8592.097316][ T903] netdev_get_by_index+0x5e/0x80 [ 8592.097316][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8592.097316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8592.097316][ T903] ip6_route_add+0x1c/0x140 [ 8592.097316][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8592.097316][ T903] inet6_addr_add+0x4f8/0xa40 [ 8592.097316][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8592.097316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.097316][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.097316][ T903] netlink_unicast+0x449/0x710 [ 8592.097316][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.097316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.097316][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.097316][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.097316][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.097316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8592.097316][ T903] [ 8592.099780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8592.099780][ T903] netdev_get_by_index+0x5e/0x80 [ 8592.099780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8592.099780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8592.099780][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8592.099780][ T903] ipv6_add_addr+0x411/0x2000 [ 8592.099780][ T903] inet6_addr_add+0x30e/0xa40 [ 8592.099780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8592.099780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.099780][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.099780][ T903] netlink_unicast+0x449/0x710 [ 8592.099780][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.099780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.099780][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.099780][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.099780][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.099780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8592.099780][ T903] [ 8592.102643][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8592.102643][ T903] netdev_get_by_index+0x5e/0x80 [ 8592.102643][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8592.102643][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8592.102643][ T903] ip6_route_add+0x1c/0x140 [ 8592.102643][ T903] addrconf_add_mroute+0x129/0x180 [ 8592.102643][ T903] addrconf_add_dev+0xe2/0x170 [ 8592.102643][ T903] inet6_addr_add+0x12f/0xa40 [ 8592.102643][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8592.102643][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.102643][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.102643][ T903] netlink_unicast+0x449/0x710 [ 8592.102643][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.102643][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.102643][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.102643][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.102643][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.102643][ T903] [ 8592.104928][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8592.104928][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8592.104928][ T903] ipv6_find_idev+0x102/0x170 [ 8592.104928][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8592.104928][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.104928][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.104928][ T903] netlink_unicast+0x449/0x710 [ 8592.104928][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.104928][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.104928][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.104928][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.104928][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.104928][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8592.104928][ T903] [ 8592.106672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8592.106672][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8592.106672][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8592.106672][ T903] ipv6_find_idev+0x102/0x170 [ 8592.106672][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8592.106672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8592.106672][ T903] netlink_rcv_skb+0x130/0x360 [ 8592.106672][ T903] netlink_unicast+0x449/0x710 [ 8592.106672][ T903] netlink_sendmsg+0x723/0xbe0 [ 8592.106672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8592.106672][ T903] ___sys_sendmsg+0xee/0x170 [ 8592.106672][ T903] __sys_sendmsg+0xcd/0x170 [ 8592.106672][ T903] do_syscall_64+0xc6/0x1e0 [ 8592.106672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8592.106672][ T903] [ 8602.149729][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8602.150225][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8602.150225][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8602.150225][ T903] ip6_validate_gw+0x3eb/0x790 [ 8602.150225][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8602.150225][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8602.150225][ T903] ip6_route_add+0x1c/0x140 [ 8602.150225][ T903] inet6_rtm_newroute+0x104/0x110 [ 8602.150225][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.150225][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.150225][ T903] netlink_unicast+0x449/0x710 [ 8602.150225][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.150225][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.150225][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.150225][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.150225][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.150225][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.150225][ T903] [ 8602.152300][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8602.152300][ T903] netdev_get_by_index+0x5e/0x80 [ 8602.152300][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8602.152300][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8602.152300][ T903] ip6_route_add+0x1c/0x140 [ 8602.152300][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8602.152300][ T903] inet6_addr_add+0x4f8/0xa40 [ 8602.152300][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.152300][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.152300][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.152300][ T903] netlink_unicast+0x449/0x710 [ 8602.152300][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.152300][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.152300][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.152300][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.152300][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.152300][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.152300][ T903] [ 8602.154519][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8602.154519][ T903] netdev_get_by_index+0x5e/0x80 [ 8602.154519][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8602.154519][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8602.154519][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8602.154519][ T903] ipv6_add_addr+0x411/0x2000 [ 8602.154519][ T903] inet6_addr_add+0x30e/0xa40 [ 8602.154519][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.154519][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.154519][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.154519][ T903] netlink_unicast+0x449/0x710 [ 8602.154519][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.154519][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.154519][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.154519][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.154519][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.154519][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.154519][ T903] [ 8602.156704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8602.156704][ T903] netdev_get_by_index+0x5e/0x80 [ 8602.156704][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8602.156704][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8602.156704][ T903] ip6_route_add+0x1c/0x140 [ 8602.156704][ T903] addrconf_add_mroute+0x129/0x180 [ 8602.156704][ T903] addrconf_add_dev+0xe2/0x170 [ 8602.156704][ T903] inet6_addr_add+0x12f/0xa40 [ 8602.156704][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8602.156704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.156704][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.156704][ T903] netlink_unicast+0x449/0x710 [ 8602.156704][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.156704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.156704][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.156704][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.156704][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.156704][ T903] [ 8602.158859][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8602.158859][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8602.158859][ T903] ipv6_find_idev+0x102/0x170 [ 8602.158859][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.158859][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.158859][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.158859][ T903] netlink_unicast+0x449/0x710 [ 8602.158859][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.158859][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.158859][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.158859][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.158859][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.158859][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.158859][ T903] [ 8602.160543][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8602.160543][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8602.160543][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8602.160543][ T903] ipv6_find_idev+0x102/0x170 [ 8602.160543][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8602.160543][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8602.160543][ T903] netlink_rcv_skb+0x130/0x360 [ 8602.160543][ T903] netlink_unicast+0x449/0x710 [ 8602.160543][ T903] netlink_sendmsg+0x723/0xbe0 [ 8602.160543][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8602.160543][ T903] ___sys_sendmsg+0xee/0x170 [ 8602.160543][ T903] __sys_sendmsg+0xcd/0x170 [ 8602.160543][ T903] do_syscall_64+0xc6/0x1e0 [ 8602.160543][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8602.160543][ T903] [ 8612.397777][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8612.398265][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8612.398265][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8612.398265][ T903] ip6_validate_gw+0x3eb/0x790 [ 8612.398265][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8612.398265][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8612.398265][ T903] ip6_route_add+0x1c/0x140 [ 8612.398265][ T903] inet6_rtm_newroute+0x104/0x110 [ 8612.398265][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.398265][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.398265][ T903] netlink_unicast+0x449/0x710 [ 8612.398265][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.398265][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.398265][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.398265][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.398265][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.398265][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.398265][ T903] [ 8612.400407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8612.400407][ T903] netdev_get_by_index+0x5e/0x80 [ 8612.400407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8612.400407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8612.400407][ T903] ip6_route_add+0x1c/0x140 [ 8612.400407][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8612.400407][ T903] inet6_addr_add+0x4f8/0xa40 [ 8612.400407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.400407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.400407][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.400407][ T903] netlink_unicast+0x449/0x710 [ 8612.400407][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.400407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.400407][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.400407][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.400407][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.400407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.400407][ T903] [ 8612.402669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8612.402669][ T903] netdev_get_by_index+0x5e/0x80 [ 8612.402669][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8612.402669][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8612.402669][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8612.402669][ T903] ipv6_add_addr+0x411/0x2000 [ 8612.402669][ T903] inet6_addr_add+0x30e/0xa40 [ 8612.402669][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.402669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.402669][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.402669][ T903] netlink_unicast+0x449/0x710 [ 8612.402669][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.402669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.402669][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.402669][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.402669][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.402669][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.402669][ T903] [ 8612.404916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8612.404916][ T903] netdev_get_by_index+0x5e/0x80 [ 8612.404916][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8612.404916][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8612.404916][ T903] ip6_route_add+0x1c/0x140 [ 8612.404916][ T903] addrconf_add_mroute+0x129/0x180 [ 8612.404916][ T903] addrconf_add_dev+0xe2/0x170 [ 8612.404916][ T903] inet6_addr_add+0x12f/0xa40 [ 8612.404916][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8612.404916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.404916][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.404916][ T903] netlink_unicast+0x449/0x710 [ 8612.404916][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.404916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.404916][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.404916][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.404916][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.404916][ T903] [ 8612.407098][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8612.407098][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8612.407098][ T903] ipv6_find_idev+0x102/0x170 [ 8612.407098][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.407098][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.407098][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.407098][ T903] netlink_unicast+0x449/0x710 [ 8612.407098][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.407098][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.407098][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.407098][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.407098][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.407098][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.407098][ T903] [ 8612.408832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8612.408832][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8612.408832][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8612.408832][ T903] ipv6_find_idev+0x102/0x170 [ 8612.408832][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8612.408832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8612.408832][ T903] netlink_rcv_skb+0x130/0x360 [ 8612.408832][ T903] netlink_unicast+0x449/0x710 [ 8612.408832][ T903] netlink_sendmsg+0x723/0xbe0 [ 8612.408832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8612.408832][ T903] ___sys_sendmsg+0xee/0x170 [ 8612.408832][ T903] __sys_sendmsg+0xcd/0x170 [ 8612.408832][ T903] do_syscall_64+0xc6/0x1e0 [ 8612.408832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8612.408832][ T903] [ 8622.661770][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8622.662241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8622.662241][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8622.662241][ T903] ip6_validate_gw+0x3eb/0x790 [ 8622.662241][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8622.662241][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8622.662241][ T903] ip6_route_add+0x1c/0x140 [ 8622.662241][ T903] inet6_rtm_newroute+0x104/0x110 [ 8622.662241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.662241][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.662241][ T903] netlink_unicast+0x449/0x710 [ 8622.662241][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.662241][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.662241][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.662241][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.662241][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.662241][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.662241][ T903] [ 8622.664607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8622.664607][ T903] netdev_get_by_index+0x5e/0x80 [ 8622.664607][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8622.664607][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8622.664607][ T903] ip6_route_add+0x1c/0x140 [ 8622.664607][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8622.664607][ T903] inet6_addr_add+0x4f8/0xa40 [ 8622.664607][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.664607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.664607][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.664607][ T903] netlink_unicast+0x449/0x710 [ 8622.664607][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.664607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.664607][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.664607][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.664607][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.664607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.664607][ T903] [ 8622.667091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8622.667091][ T903] netdev_get_by_index+0x5e/0x80 [ 8622.667091][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8622.667091][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8622.667091][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8622.667091][ T903] ipv6_add_addr+0x411/0x2000 [ 8622.667091][ T903] inet6_addr_add+0x30e/0xa40 [ 8622.667091][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.667091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.667091][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.667091][ T903] netlink_unicast+0x449/0x710 [ 8622.667091][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.667091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.667091][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.667091][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.667091][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.667091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.667091][ T903] [ 8622.669571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8622.669571][ T903] netdev_get_by_index+0x5e/0x80 [ 8622.669571][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8622.669571][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8622.669571][ T903] ip6_route_add+0x1c/0x140 [ 8622.669571][ T903] addrconf_add_mroute+0x129/0x180 [ 8622.669571][ T903] addrconf_add_dev+0xe2/0x170 [ 8622.669571][ T903] inet6_addr_add+0x12f/0xa40 [ 8622.669571][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8622.669571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.669571][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.669571][ T903] netlink_unicast+0x449/0x710 [ 8622.669571][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.669571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.669571][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.669571][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.669571][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.669571][ T903] [ 8622.671988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8622.671988][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8622.671988][ T903] ipv6_find_idev+0x102/0x170 [ 8622.671988][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.671988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.671988][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.671988][ T903] netlink_unicast+0x449/0x710 [ 8622.671988][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.671988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.671988][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.671988][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.671988][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.671988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.671988][ T903] [ 8622.673888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8622.673888][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8622.673888][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8622.673888][ T903] ipv6_find_idev+0x102/0x170 [ 8622.673888][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8622.673888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8622.673888][ T903] netlink_rcv_skb+0x130/0x360 [ 8622.673888][ T903] netlink_unicast+0x449/0x710 [ 8622.673888][ T903] netlink_sendmsg+0x723/0xbe0 [ 8622.673888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8622.673888][ T903] ___sys_sendmsg+0xee/0x170 [ 8622.673888][ T903] __sys_sendmsg+0xcd/0x170 [ 8622.673888][ T903] do_syscall_64+0xc6/0x1e0 [ 8622.673888][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8622.673888][ T903] [ 8632.917777][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8632.918279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8632.918279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8632.918279][ T903] ip6_validate_gw+0x3eb/0x790 [ 8632.918279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8632.918279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8632.918279][ T903] ip6_route_add+0x1c/0x140 [ 8632.918279][ T903] inet6_rtm_newroute+0x104/0x110 [ 8632.918279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.918279][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.918279][ T903] netlink_unicast+0x449/0x710 [ 8632.918279][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.918279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.918279][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.918279][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.918279][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.918279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.918279][ T903] [ 8632.920445][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8632.920445][ T903] netdev_get_by_index+0x5e/0x80 [ 8632.920445][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8632.920445][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8632.920445][ T903] ip6_route_add+0x1c/0x140 [ 8632.920445][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8632.920445][ T903] inet6_addr_add+0x4f8/0xa40 [ 8632.920445][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.920445][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.920445][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.920445][ T903] netlink_unicast+0x449/0x710 [ 8632.920445][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.920445][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.920445][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.920445][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.920445][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.920445][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.920445][ T903] [ 8632.922712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8632.922712][ T903] netdev_get_by_index+0x5e/0x80 [ 8632.922712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8632.922712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8632.922712][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8632.922712][ T903] ipv6_add_addr+0x411/0x2000 [ 8632.922712][ T903] inet6_addr_add+0x30e/0xa40 [ 8632.922712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.922712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.922712][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.922712][ T903] netlink_unicast+0x449/0x710 [ 8632.922712][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.922712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.922712][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.922712][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.922712][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.922712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.922712][ T903] [ 8632.924944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8632.924944][ T903] netdev_get_by_index+0x5e/0x80 [ 8632.924944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8632.924944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8632.924944][ T903] ip6_route_add+0x1c/0x140 [ 8632.924944][ T903] addrconf_add_mroute+0x129/0x180 [ 8632.924944][ T903] addrconf_add_dev+0xe2/0x170 [ 8632.924944][ T903] inet6_addr_add+0x12f/0xa40 [ 8632.924944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8632.924944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.924944][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.924944][ T903] netlink_unicast+0x449/0x710 [ 8632.924944][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.924944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.924944][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.924944][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.924944][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.924944][ T903] [ 8632.927162][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8632.927162][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8632.927162][ T903] ipv6_find_idev+0x102/0x170 [ 8632.927162][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.927162][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.927162][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.927162][ T903] netlink_unicast+0x449/0x710 [ 8632.927162][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.927162][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.927162][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.927162][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.927162][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.927162][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.927162][ T903] [ 8632.928883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8632.928883][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8632.928883][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8632.928883][ T903] ipv6_find_idev+0x102/0x170 [ 8632.928883][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8632.928883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8632.928883][ T903] netlink_rcv_skb+0x130/0x360 [ 8632.928883][ T903] netlink_unicast+0x449/0x710 [ 8632.928883][ T903] netlink_sendmsg+0x723/0xbe0 [ 8632.928883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8632.928883][ T903] ___sys_sendmsg+0xee/0x170 [ 8632.928883][ T903] __sys_sendmsg+0xcd/0x170 [ 8632.928883][ T903] do_syscall_64+0xc6/0x1e0 [ 8632.928883][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8632.928883][ T903] [ 8643.173743][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8643.174266][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8643.174266][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8643.174266][ T903] ip6_validate_gw+0x3eb/0x790 [ 8643.174266][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8643.174266][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8643.174266][ T903] ip6_route_add+0x1c/0x140 [ 8643.174266][ T903] inet6_rtm_newroute+0x104/0x110 [ 8643.174266][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.174266][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.174266][ T903] netlink_unicast+0x449/0x710 [ 8643.174266][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.174266][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.174266][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.174266][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.174266][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.174266][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.174266][ T903] [ 8643.176407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8643.176407][ T903] netdev_get_by_index+0x5e/0x80 [ 8643.176407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8643.176407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8643.176407][ T903] ip6_route_add+0x1c/0x140 [ 8643.176407][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8643.176407][ T903] inet6_addr_add+0x4f8/0xa40 [ 8643.176407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.176407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.176407][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.176407][ T903] netlink_unicast+0x449/0x710 [ 8643.176407][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.176407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.176407][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.176407][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.176407][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.176407][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.176407][ T903] [ 8643.178652][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8643.178652][ T903] netdev_get_by_index+0x5e/0x80 [ 8643.178652][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8643.178652][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8643.178652][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8643.178652][ T903] ipv6_add_addr+0x411/0x2000 [ 8643.178652][ T903] inet6_addr_add+0x30e/0xa40 [ 8643.178652][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.178652][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.178652][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.178652][ T903] netlink_unicast+0x449/0x710 [ 8643.178652][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.178652][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.178652][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.178652][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.178652][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.178652][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.178652][ T903] [ 8643.180888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8643.180888][ T903] netdev_get_by_index+0x5e/0x80 [ 8643.180888][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8643.180888][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8643.180888][ T903] ip6_route_add+0x1c/0x140 [ 8643.180888][ T903] addrconf_add_mroute+0x129/0x180 [ 8643.180888][ T903] addrconf_add_dev+0xe2/0x170 [ 8643.180888][ T903] inet6_addr_add+0x12f/0xa40 [ 8643.180888][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8643.180888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.180888][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.180888][ T903] netlink_unicast+0x449/0x710 [ 8643.180888][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.180888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.180888][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.180888][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.180888][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.180888][ T903] [ 8643.183105][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8643.183105][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8643.183105][ T903] ipv6_find_idev+0x102/0x170 [ 8643.183105][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.183105][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.183105][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.183105][ T903] netlink_unicast+0x449/0x710 [ 8643.183105][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.183105][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.183105][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.183105][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.183105][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.183105][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.183105][ T903] [ 8643.184830][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8643.184830][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8643.184830][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8643.184830][ T903] ipv6_find_idev+0x102/0x170 [ 8643.184830][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8643.184830][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8643.184830][ T903] netlink_rcv_skb+0x130/0x360 [ 8643.184830][ T903] netlink_unicast+0x449/0x710 [ 8643.184830][ T903] netlink_sendmsg+0x723/0xbe0 [ 8643.184830][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8643.184830][ T903] ___sys_sendmsg+0xee/0x170 [ 8643.184830][ T903] __sys_sendmsg+0xcd/0x170 [ 8643.184830][ T903] do_syscall_64+0xc6/0x1e0 [ 8643.184830][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8643.184830][ T903] [ 8653.429807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8653.430256][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8653.430256][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8653.430256][ T903] ip6_validate_gw+0x3eb/0x790 [ 8653.430256][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8653.430256][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8653.430256][ T903] ip6_route_add+0x1c/0x140 [ 8653.430256][ T903] inet6_rtm_newroute+0x104/0x110 [ 8653.430256][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.430256][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.430256][ T903] netlink_unicast+0x449/0x710 [ 8653.430256][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.430256][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.430256][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.430256][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.430256][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.430256][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.430256][ T903] [ 8653.432372][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8653.432372][ T903] netdev_get_by_index+0x5e/0x80 [ 8653.432372][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8653.432372][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8653.432372][ T903] ip6_route_add+0x1c/0x140 [ 8653.432372][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8653.432372][ T903] inet6_addr_add+0x4f8/0xa40 [ 8653.432372][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.432372][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.432372][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.432372][ T903] netlink_unicast+0x449/0x710 [ 8653.432372][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.432372][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.432372][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.432372][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.432372][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.432372][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.432372][ T903] [ 8653.434601][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8653.434601][ T903] netdev_get_by_index+0x5e/0x80 [ 8653.434601][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8653.434601][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8653.434601][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8653.434601][ T903] ipv6_add_addr+0x411/0x2000 [ 8653.434601][ T903] inet6_addr_add+0x30e/0xa40 [ 8653.434601][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.434601][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.434601][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.434601][ T903] netlink_unicast+0x449/0x710 [ 8653.434601][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.434601][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.434601][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.434601][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.434601][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.434601][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.434601][ T903] [ 8653.436825][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8653.436825][ T903] netdev_get_by_index+0x5e/0x80 [ 8653.436825][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8653.436825][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8653.436825][ T903] ip6_route_add+0x1c/0x140 [ 8653.436825][ T903] addrconf_add_mroute+0x129/0x180 [ 8653.436825][ T903] addrconf_add_dev+0xe2/0x170 [ 8653.436825][ T903] inet6_addr_add+0x12f/0xa40 [ 8653.436825][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8653.436825][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.436825][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.436825][ T903] netlink_unicast+0x449/0x710 [ 8653.436825][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.436825][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.436825][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.436825][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.436825][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.436825][ T903] [ 8653.439004][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8653.439004][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8653.439004][ T903] ipv6_find_idev+0x102/0x170 [ 8653.439004][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.439004][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.439004][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.439004][ T903] netlink_unicast+0x449/0x710 [ 8653.439004][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.439004][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.439004][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.439004][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.439004][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.439004][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.439004][ T903] [ 8653.440725][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8653.440725][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8653.440725][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8653.440725][ T903] ipv6_find_idev+0x102/0x170 [ 8653.440725][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8653.440725][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8653.440725][ T903] netlink_rcv_skb+0x130/0x360 [ 8653.440725][ T903] netlink_unicast+0x449/0x710 [ 8653.440725][ T903] netlink_sendmsg+0x723/0xbe0 [ 8653.440725][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8653.440725][ T903] ___sys_sendmsg+0xee/0x170 [ 8653.440725][ T903] __sys_sendmsg+0xcd/0x170 [ 8653.440725][ T903] do_syscall_64+0xc6/0x1e0 [ 8653.440725][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8653.440725][ T903] [ 8663.677794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8663.678334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8663.678334][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8663.678334][ T903] ip6_validate_gw+0x3eb/0x790 [ 8663.678334][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8663.678334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8663.678334][ T903] ip6_route_add+0x1c/0x140 [ 8663.678334][ T903] inet6_rtm_newroute+0x104/0x110 [ 8663.678334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.678334][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.678334][ T903] netlink_unicast+0x449/0x710 [ 8663.678334][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.678334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.678334][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.678334][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.678334][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.678334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.678334][ T903] [ 8663.680620][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8663.680620][ T903] netdev_get_by_index+0x5e/0x80 [ 8663.680620][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8663.680620][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8663.680620][ T903] ip6_route_add+0x1c/0x140 [ 8663.680620][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8663.680620][ T903] inet6_addr_add+0x4f8/0xa40 [ 8663.680620][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.680620][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.680620][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.680620][ T903] netlink_unicast+0x449/0x710 [ 8663.680620][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.680620][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.680620][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.680620][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.680620][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.680620][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.680620][ T903] [ 8663.683025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8663.683025][ T903] netdev_get_by_index+0x5e/0x80 [ 8663.683025][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8663.683025][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8663.683025][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8663.683025][ T903] ipv6_add_addr+0x411/0x2000 [ 8663.683025][ T903] inet6_addr_add+0x30e/0xa40 [ 8663.683025][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.683025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.683025][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.683025][ T903] netlink_unicast+0x449/0x710 [ 8663.683025][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.683025][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.683025][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.683025][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.683025][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.683025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.683025][ T903] [ 8663.685425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8663.685425][ T903] netdev_get_by_index+0x5e/0x80 [ 8663.685425][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8663.685425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8663.685425][ T903] ip6_route_add+0x1c/0x140 [ 8663.685425][ T903] addrconf_add_mroute+0x129/0x180 [ 8663.685425][ T903] addrconf_add_dev+0xe2/0x170 [ 8663.685425][ T903] inet6_addr_add+0x12f/0xa40 [ 8663.685425][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8663.685425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.685425][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.685425][ T903] netlink_unicast+0x449/0x710 [ 8663.685425][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.685425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.685425][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.685425][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.685425][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.685425][ T903] [ 8663.687778][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8663.687778][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8663.687778][ T903] ipv6_find_idev+0x102/0x170 [ 8663.687778][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.687778][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.687778][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.687778][ T903] netlink_unicast+0x449/0x710 [ 8663.687778][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.687778][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.687778][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.687778][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.687778][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.687778][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.687778][ T903] [ 8663.689625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8663.689625][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8663.689625][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8663.689625][ T903] ipv6_find_idev+0x102/0x170 [ 8663.689625][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8663.689625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8663.689625][ T903] netlink_rcv_skb+0x130/0x360 [ 8663.689625][ T903] netlink_unicast+0x449/0x710 [ 8663.689625][ T903] netlink_sendmsg+0x723/0xbe0 [ 8663.689625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8663.689625][ T903] ___sys_sendmsg+0xee/0x170 [ 8663.689625][ T903] __sys_sendmsg+0xcd/0x170 [ 8663.689625][ T903] do_syscall_64+0xc6/0x1e0 [ 8663.689625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8663.689625][ T903] [ 8673.709845][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8673.710383][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8673.710383][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8673.710383][ T903] ip6_validate_gw+0x3eb/0x790 [ 8673.710383][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8673.710383][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8673.710383][ T903] ip6_route_add+0x1c/0x140 [ 8673.710383][ T903] inet6_rtm_newroute+0x104/0x110 [ 8673.710383][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.710383][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.710383][ T903] netlink_unicast+0x449/0x710 [ 8673.710383][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.710383][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.710383][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.710383][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.710383][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.710383][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.710383][ T903] [ 8673.712663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8673.712663][ T903] netdev_get_by_index+0x5e/0x80 [ 8673.712663][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8673.712663][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8673.712663][ T903] ip6_route_add+0x1c/0x140 [ 8673.712663][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8673.712663][ T903] inet6_addr_add+0x4f8/0xa40 [ 8673.712663][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.712663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.712663][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.712663][ T903] netlink_unicast+0x449/0x710 [ 8673.712663][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.712663][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.712663][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.712663][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.712663][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.712663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.712663][ T903] [ 8673.715054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8673.715054][ T903] netdev_get_by_index+0x5e/0x80 [ 8673.715054][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8673.715054][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8673.715054][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8673.715054][ T903] ipv6_add_addr+0x411/0x2000 [ 8673.715054][ T903] inet6_addr_add+0x30e/0xa40 [ 8673.715054][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.715054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.715054][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.715054][ T903] netlink_unicast+0x449/0x710 [ 8673.715054][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.715054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.715054][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.715054][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.715054][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.715054][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.715054][ T903] [ 8673.717440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8673.717440][ T903] netdev_get_by_index+0x5e/0x80 [ 8673.717440][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8673.717440][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8673.717440][ T903] ip6_route_add+0x1c/0x140 [ 8673.717440][ T903] addrconf_add_mroute+0x129/0x180 [ 8673.717440][ T903] addrconf_add_dev+0xe2/0x170 [ 8673.717440][ T903] inet6_addr_add+0x12f/0xa40 [ 8673.717440][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8673.717440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.717440][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.717440][ T903] netlink_unicast+0x449/0x710 [ 8673.717440][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.717440][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.717440][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.717440][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.717440][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.717440][ T903] [ 8673.719788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8673.719788][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8673.719788][ T903] ipv6_find_idev+0x102/0x170 [ 8673.719788][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.719788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.719788][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.719788][ T903] netlink_unicast+0x449/0x710 [ 8673.719788][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.719788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.719788][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.719788][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.719788][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.719788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.719788][ T903] [ 8673.721641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8673.721641][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8673.721641][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8673.721641][ T903] ipv6_find_idev+0x102/0x170 [ 8673.721641][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8673.721641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8673.721641][ T903] netlink_rcv_skb+0x130/0x360 [ 8673.721641][ T903] netlink_unicast+0x449/0x710 [ 8673.721641][ T903] netlink_sendmsg+0x723/0xbe0 [ 8673.721641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8673.721641][ T903] ___sys_sendmsg+0xee/0x170 [ 8673.721641][ T903] __sys_sendmsg+0xcd/0x170 [ 8673.721641][ T903] do_syscall_64+0xc6/0x1e0 [ 8673.721641][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8673.721641][ T903] [ 8683.973731][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8683.974177][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8683.974177][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8683.974177][ T903] ip6_validate_gw+0x3eb/0x790 [ 8683.974177][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8683.974177][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8683.974177][ T903] ip6_route_add+0x1c/0x140 [ 8683.974177][ T903] inet6_rtm_newroute+0x104/0x110 [ 8683.974177][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.974177][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.974177][ T903] netlink_unicast+0x449/0x710 [ 8683.974177][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.974177][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.974177][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.974177][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.974177][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.974177][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.974177][ T903] [ 8683.976458][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8683.976458][ T903] netdev_get_by_index+0x5e/0x80 [ 8683.976458][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8683.976458][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8683.976458][ T903] ip6_route_add+0x1c/0x140 [ 8683.976458][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8683.976458][ T903] inet6_addr_add+0x4f8/0xa40 [ 8683.976458][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.976458][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.976458][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.976458][ T903] netlink_unicast+0x449/0x710 [ 8683.976458][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.976458][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.976458][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.976458][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.976458][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.976458][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.976458][ T903] [ 8683.978882][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8683.978882][ T903] netdev_get_by_index+0x5e/0x80 [ 8683.978882][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8683.978882][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8683.978882][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8683.978882][ T903] ipv6_add_addr+0x411/0x2000 [ 8683.978882][ T903] inet6_addr_add+0x30e/0xa40 [ 8683.978882][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.978882][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.978882][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.978882][ T903] netlink_unicast+0x449/0x710 [ 8683.978882][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.978882][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.978882][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.978882][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.978882][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.978882][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.978882][ T903] [ 8683.981341][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8683.981341][ T903] netdev_get_by_index+0x5e/0x80 [ 8683.981341][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8683.981341][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8683.981341][ T903] ip6_route_add+0x1c/0x140 [ 8683.981341][ T903] addrconf_add_mroute+0x129/0x180 [ 8683.981341][ T903] addrconf_add_dev+0xe2/0x170 [ 8683.981341][ T903] inet6_addr_add+0x12f/0xa40 [ 8683.981341][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8683.981341][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.981341][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.981341][ T903] netlink_unicast+0x449/0x710 [ 8683.981341][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.981341][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.981341][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.981341][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.981341][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.981341][ T903] [ 8683.984244][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8683.984244][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8683.984244][ T903] ipv6_find_idev+0x102/0x170 [ 8683.984244][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8683.984244][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.984244][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.984244][ T903] netlink_unicast+0x449/0x710 [ 8683.984244][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.984244][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.984244][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.984244][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.984244][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.984244][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.984244][ T903] [ 8683.986130][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8683.986130][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8683.986130][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8683.986130][ T903] ipv6_find_idev+0x102/0x170 [ 8683.986130][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8683.986130][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8683.986130][ T903] netlink_rcv_skb+0x130/0x360 [ 8683.986130][ T903] netlink_unicast+0x449/0x710 [ 8683.986130][ T903] netlink_sendmsg+0x723/0xbe0 [ 8683.986130][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8683.986130][ T903] ___sys_sendmsg+0xee/0x170 [ 8683.986130][ T903] __sys_sendmsg+0xcd/0x170 [ 8683.986130][ T903] do_syscall_64+0xc6/0x1e0 [ 8683.986130][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8683.986130][ T903] [ 8694.237745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8694.238195][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8694.238195][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8694.238195][ T903] ip6_validate_gw+0x3eb/0x790 [ 8694.238195][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8694.238195][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8694.238195][ T903] ip6_route_add+0x1c/0x140 [ 8694.238195][ T903] inet6_rtm_newroute+0x104/0x110 [ 8694.238195][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.238195][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.238195][ T903] netlink_unicast+0x449/0x710 [ 8694.238195][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.238195][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.238195][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.238195][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.238195][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.238195][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.238195][ T903] [ 8694.240525][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8694.240525][ T903] netdev_get_by_index+0x5e/0x80 [ 8694.240525][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8694.240525][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8694.240525][ T903] ip6_route_add+0x1c/0x140 [ 8694.240525][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8694.240525][ T903] inet6_addr_add+0x4f8/0xa40 [ 8694.240525][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.240525][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.240525][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.240525][ T903] netlink_unicast+0x449/0x710 [ 8694.240525][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.240525][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.240525][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.240525][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.240525][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.240525][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.240525][ T903] [ 8694.242988][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8694.242988][ T903] netdev_get_by_index+0x5e/0x80 [ 8694.242988][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8694.242988][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8694.242988][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8694.242988][ T903] ipv6_add_addr+0x411/0x2000 [ 8694.242988][ T903] inet6_addr_add+0x30e/0xa40 [ 8694.242988][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.242988][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.242988][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.242988][ T903] netlink_unicast+0x449/0x710 [ 8694.242988][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.242988][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.242988][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.242988][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.242988][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.242988][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.242988][ T903] [ 8694.245457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8694.245457][ T903] netdev_get_by_index+0x5e/0x80 [ 8694.245457][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8694.245457][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8694.245457][ T903] ip6_route_add+0x1c/0x140 [ 8694.245457][ T903] addrconf_add_mroute+0x129/0x180 [ 8694.245457][ T903] addrconf_add_dev+0xe2/0x170 [ 8694.245457][ T903] inet6_addr_add+0x12f/0xa40 [ 8694.245457][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.245457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.245457][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.245457][ T903] netlink_unicast+0x449/0x710 [ 8694.245457][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.245457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.245457][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.245457][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.245457][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.245457][ T903] [ 8694.247889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8694.247889][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8694.247889][ T903] ipv6_find_idev+0x102/0x170 [ 8694.247889][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.247889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.247889][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.247889][ T903] netlink_unicast+0x449/0x710 [ 8694.247889][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.247889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.247889][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.247889][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.247889][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.247889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.247889][ T903] [ 8694.249784][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8694.249784][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8694.249784][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8694.249784][ T903] ipv6_find_idev+0x102/0x170 [ 8694.249784][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.249784][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.249784][ T903] netlink_rcv_skb+0x130/0x360 [ 8694.249784][ T903] netlink_unicast+0x449/0x710 [ 8694.249784][ T903] netlink_sendmsg+0x723/0xbe0 [ 8694.249784][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8694.249784][ T903] ___sys_sendmsg+0xee/0x170 [ 8694.249784][ T903] __sys_sendmsg+0xcd/0x170 [ 8694.249784][ T903] do_syscall_64+0xc6/0x1e0 [ 8694.249784][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.249784][ T903] [ 8704.501727][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8704.502177][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8704.502177][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8704.502177][ T903] ip6_validate_gw+0x3eb/0x790 [ 8704.502177][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8704.502177][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8704.502177][ T903] ip6_route_add+0x1c/0x140 [ 8704.502177][ T903] inet6_rtm_newroute+0x104/0x110 [ 8704.502177][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.502177][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.502177][ T903] netlink_unicast+0x449/0x710 [ 8704.502177][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.502177][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.502177][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.502177][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.502177][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.502177][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.502177][ T903] [ 8704.504508][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8704.504508][ T903] netdev_get_by_index+0x5e/0x80 [ 8704.504508][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8704.504508][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8704.504508][ T903] ip6_route_add+0x1c/0x140 [ 8704.504508][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8704.504508][ T903] inet6_addr_add+0x4f8/0xa40 [ 8704.504508][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.504508][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.504508][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.504508][ T903] netlink_unicast+0x449/0x710 [ 8704.504508][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.504508][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.504508][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.504508][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.504508][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.504508][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.504508][ T903] [ 8704.506975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8704.506975][ T903] netdev_get_by_index+0x5e/0x80 [ 8704.506975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8704.506975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8704.506975][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8704.506975][ T903] ipv6_add_addr+0x411/0x2000 [ 8704.506975][ T903] inet6_addr_add+0x30e/0xa40 [ 8704.506975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.506975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.506975][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.506975][ T903] netlink_unicast+0x449/0x710 [ 8704.506975][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.506975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.506975][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.506975][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.506975][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.506975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.506975][ T903] [ 8704.509401][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8704.509401][ T903] netdev_get_by_index+0x5e/0x80 [ 8704.509401][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8704.509401][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8704.509401][ T903] ip6_route_add+0x1c/0x140 [ 8704.509401][ T903] addrconf_add_mroute+0x129/0x180 [ 8704.509401][ T903] addrconf_add_dev+0xe2/0x170 [ 8704.509401][ T903] inet6_addr_add+0x12f/0xa40 [ 8704.509401][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8704.509401][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.509401][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.509401][ T903] netlink_unicast+0x449/0x710 [ 8704.509401][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.509401][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.509401][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.509401][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.509401][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.509401][ T903] [ 8704.511816][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8704.511816][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8704.511816][ T903] ipv6_find_idev+0x102/0x170 [ 8704.511816][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.511816][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.511816][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.511816][ T903] netlink_unicast+0x449/0x710 [ 8704.511816][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.511816][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.511816][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.511816][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.511816][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.511816][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.511816][ T903] [ 8704.513705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8704.513705][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8704.513705][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8704.513705][ T903] ipv6_find_idev+0x102/0x170 [ 8704.513705][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8704.513705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8704.513705][ T903] netlink_rcv_skb+0x130/0x360 [ 8704.513705][ T903] netlink_unicast+0x449/0x710 [ 8704.513705][ T903] netlink_sendmsg+0x723/0xbe0 [ 8704.513705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8704.513705][ T903] ___sys_sendmsg+0xee/0x170 [ 8704.513705][ T903] __sys_sendmsg+0xcd/0x170 [ 8704.513705][ T903] do_syscall_64+0xc6/0x1e0 [ 8704.513705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8704.513705][ T903] [ 8714.765735][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8714.766170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8714.766170][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8714.766170][ T903] ip6_validate_gw+0x3eb/0x790 [ 8714.766170][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8714.766170][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8714.766170][ T903] ip6_route_add+0x1c/0x140 [ 8714.766170][ T903] inet6_rtm_newroute+0x104/0x110 [ 8714.766170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.766170][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.766170][ T903] netlink_unicast+0x449/0x710 [ 8714.766170][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.766170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.766170][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.766170][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.766170][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.766170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.766170][ T903] [ 8714.768435][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8714.768435][ T903] netdev_get_by_index+0x5e/0x80 [ 8714.768435][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8714.768435][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8714.768435][ T903] ip6_route_add+0x1c/0x140 [ 8714.768435][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8714.768435][ T903] inet6_addr_add+0x4f8/0xa40 [ 8714.768435][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.768435][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.768435][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.768435][ T903] netlink_unicast+0x449/0x710 [ 8714.768435][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.768435][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.768435][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.768435][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.768435][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.768435][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.768435][ T903] [ 8714.771318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8714.771318][ T903] netdev_get_by_index+0x5e/0x80 [ 8714.771318][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8714.771318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8714.771318][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8714.771318][ T903] ipv6_add_addr+0x411/0x2000 [ 8714.771318][ T903] inet6_addr_add+0x30e/0xa40 [ 8714.771318][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.771318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.771318][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.771318][ T903] netlink_unicast+0x449/0x710 [ 8714.771318][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.771318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.771318][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.771318][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.771318][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.771318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.771318][ T903] [ 8714.774131][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8714.774131][ T903] netdev_get_by_index+0x5e/0x80 [ 8714.774131][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8714.774131][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8714.774131][ T903] ip6_route_add+0x1c/0x140 [ 8714.774131][ T903] addrconf_add_mroute+0x129/0x180 [ 8714.774131][ T903] addrconf_add_dev+0xe2/0x170 [ 8714.774131][ T903] inet6_addr_add+0x12f/0xa40 [ 8714.774131][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8714.774131][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.774131][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.774131][ T903] netlink_unicast+0x449/0x710 [ 8714.774131][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.774131][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.774131][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.774131][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.774131][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.774131][ T903] [ 8714.776486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8714.776486][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8714.776486][ T903] ipv6_find_idev+0x102/0x170 [ 8714.776486][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.776486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.776486][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.776486][ T903] netlink_unicast+0x449/0x710 [ 8714.776486][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.776486][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.776486][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.776486][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.776486][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.776486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.776486][ T903] [ 8714.778330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8714.778330][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8714.778330][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8714.778330][ T903] ipv6_find_idev+0x102/0x170 [ 8714.778330][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8714.778330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8714.778330][ T903] netlink_rcv_skb+0x130/0x360 [ 8714.778330][ T903] netlink_unicast+0x449/0x710 [ 8714.778330][ T903] netlink_sendmsg+0x723/0xbe0 [ 8714.778330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8714.778330][ T903] ___sys_sendmsg+0xee/0x170 [ 8714.778330][ T903] __sys_sendmsg+0xcd/0x170 [ 8714.778330][ T903] do_syscall_64+0xc6/0x1e0 [ 8714.778330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8714.778330][ T903] [ 8725.029802][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8725.030310][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8725.030310][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8725.030310][ T903] ip6_validate_gw+0x3eb/0x790 [ 8725.030310][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8725.030310][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8725.030310][ T903] ip6_route_add+0x1c/0x140 [ 8725.030310][ T903] inet6_rtm_newroute+0x104/0x110 [ 8725.030310][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.030310][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.030310][ T903] netlink_unicast+0x449/0x710 [ 8725.030310][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.030310][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.030310][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.030310][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.030310][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.030310][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.030310][ T903] [ 8725.032609][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8725.032609][ T903] netdev_get_by_index+0x5e/0x80 [ 8725.032609][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8725.032609][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8725.032609][ T903] ip6_route_add+0x1c/0x140 [ 8725.032609][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8725.032609][ T903] inet6_addr_add+0x4f8/0xa40 [ 8725.032609][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.032609][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.032609][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.032609][ T903] netlink_unicast+0x449/0x710 [ 8725.032609][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.032609][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.032609][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.032609][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.032609][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.032609][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.032609][ T903] [ 8725.035010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8725.035010][ T903] netdev_get_by_index+0x5e/0x80 [ 8725.035010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8725.035010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8725.035010][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8725.035010][ T903] ipv6_add_addr+0x411/0x2000 [ 8725.035010][ T903] inet6_addr_add+0x30e/0xa40 [ 8725.035010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.035010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.035010][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.035010][ T903] netlink_unicast+0x449/0x710 [ 8725.035010][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.035010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.035010][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.035010][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.035010][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.035010][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.035010][ T903] [ 8725.037414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8725.037414][ T903] netdev_get_by_index+0x5e/0x80 [ 8725.037414][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8725.037414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8725.037414][ T903] ip6_route_add+0x1c/0x140 [ 8725.037414][ T903] addrconf_add_mroute+0x129/0x180 [ 8725.037414][ T903] addrconf_add_dev+0xe2/0x170 [ 8725.037414][ T903] inet6_addr_add+0x12f/0xa40 [ 8725.037414][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.037414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.037414][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.037414][ T903] netlink_unicast+0x449/0x710 [ 8725.037414][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.037414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.037414][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.037414][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.037414][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.037414][ T903] [ 8725.039767][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8725.039767][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8725.039767][ T903] ipv6_find_idev+0x102/0x170 [ 8725.039767][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.039767][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.039767][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.039767][ T903] netlink_unicast+0x449/0x710 [ 8725.039767][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.039767][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.039767][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.039767][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.039767][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.039767][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.039767][ T903] [ 8725.041626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8725.041626][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8725.041626][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8725.041626][ T903] ipv6_find_idev+0x102/0x170 [ 8725.041626][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.041626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.041626][ T903] netlink_rcv_skb+0x130/0x360 [ 8725.041626][ T903] netlink_unicast+0x449/0x710 [ 8725.041626][ T903] netlink_sendmsg+0x723/0xbe0 [ 8725.041626][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8725.041626][ T903] ___sys_sendmsg+0xee/0x170 [ 8725.041626][ T903] __sys_sendmsg+0xcd/0x170 [ 8725.041626][ T903] do_syscall_64+0xc6/0x1e0 [ 8725.041626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.041626][ T903] [ 8735.293914][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8735.294758][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8735.294758][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8735.294758][ T903] ip6_validate_gw+0x3eb/0x790 [ 8735.294758][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8735.294758][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8735.294758][ T903] ip6_route_add+0x1c/0x140 [ 8735.294758][ T903] inet6_rtm_newroute+0x104/0x110 [ 8735.294758][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.294758][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.294758][ T903] netlink_unicast+0x449/0x710 [ 8735.294758][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.294758][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.294758][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.294758][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.294758][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.294758][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.294758][ T903] [ 8735.297114][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8735.297114][ T903] netdev_get_by_index+0x5e/0x80 [ 8735.297114][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8735.297114][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8735.297114][ T903] ip6_route_add+0x1c/0x140 [ 8735.297114][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8735.297114][ T903] inet6_addr_add+0x4f8/0xa40 [ 8735.297114][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.297114][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.297114][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.297114][ T903] netlink_unicast+0x449/0x710 [ 8735.297114][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.297114][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.297114][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.297114][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.297114][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.297114][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.297114][ T903] [ 8735.299575][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8735.299575][ T903] netdev_get_by_index+0x5e/0x80 [ 8735.299575][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8735.299575][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8735.299575][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8735.299575][ T903] ipv6_add_addr+0x411/0x2000 [ 8735.299575][ T903] inet6_addr_add+0x30e/0xa40 [ 8735.299575][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.299575][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.299575][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.299575][ T903] netlink_unicast+0x449/0x710 [ 8735.299575][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.299575][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.299575][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.299575][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.299575][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.299575][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.299575][ T903] [ 8735.302048][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8735.302048][ T903] netdev_get_by_index+0x5e/0x80 [ 8735.302048][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8735.302048][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8735.302048][ T903] ip6_route_add+0x1c/0x140 [ 8735.302048][ T903] addrconf_add_mroute+0x129/0x180 [ 8735.302048][ T903] addrconf_add_dev+0xe2/0x170 [ 8735.302048][ T903] inet6_addr_add+0x12f/0xa40 [ 8735.302048][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.302048][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.302048][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.302048][ T903] netlink_unicast+0x449/0x710 [ 8735.302048][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.302048][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.302048][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.302048][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.302048][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.302048][ T903] [ 8735.304471][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8735.304471][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8735.304471][ T903] ipv6_find_idev+0x102/0x170 [ 8735.304471][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.304471][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.304471][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.304471][ T903] netlink_unicast+0x449/0x710 [ 8735.304471][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.304471][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.304471][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.304471][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.304471][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.304471][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.304471][ T903] [ 8735.306382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8735.306382][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8735.306382][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8735.306382][ T903] ipv6_find_idev+0x102/0x170 [ 8735.306382][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.306382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.306382][ T903] netlink_rcv_skb+0x130/0x360 [ 8735.306382][ T903] netlink_unicast+0x449/0x710 [ 8735.306382][ T903] netlink_sendmsg+0x723/0xbe0 [ 8735.306382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8735.306382][ T903] ___sys_sendmsg+0xee/0x170 [ 8735.306382][ T903] __sys_sendmsg+0xcd/0x170 [ 8735.306382][ T903] do_syscall_64+0xc6/0x1e0 [ 8735.306382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.306382][ T903] [ 8745.557808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8745.558270][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8745.558270][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8745.558270][ T903] ip6_validate_gw+0x3eb/0x790 [ 8745.558270][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8745.558270][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8745.558270][ T903] ip6_route_add+0x1c/0x140 [ 8745.558270][ T903] inet6_rtm_newroute+0x104/0x110 [ 8745.558270][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.558270][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.558270][ T903] netlink_unicast+0x449/0x710 [ 8745.558270][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.558270][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.558270][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.558270][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.558270][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.558270][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.558270][ T903] [ 8745.560612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8745.560612][ T903] netdev_get_by_index+0x5e/0x80 [ 8745.560612][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8745.560612][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8745.560612][ T903] ip6_route_add+0x1c/0x140 [ 8745.560612][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8745.560612][ T903] inet6_addr_add+0x4f8/0xa40 [ 8745.560612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.560612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.560612][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.560612][ T903] netlink_unicast+0x449/0x710 [ 8745.560612][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.560612][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.560612][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.560612][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.560612][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.560612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.560612][ T903] [ 8745.563088][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8745.563088][ T903] netdev_get_by_index+0x5e/0x80 [ 8745.563088][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8745.563088][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8745.563088][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8745.563088][ T903] ipv6_add_addr+0x411/0x2000 [ 8745.563088][ T903] inet6_addr_add+0x30e/0xa40 [ 8745.563088][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.563088][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.563088][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.563088][ T903] netlink_unicast+0x449/0x710 [ 8745.563088][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.563088][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.563088][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.563088][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.563088][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.563088][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.563088][ T903] [ 8745.565559][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8745.565559][ T903] netdev_get_by_index+0x5e/0x80 [ 8745.565559][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8745.565559][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8745.565559][ T903] ip6_route_add+0x1c/0x140 [ 8745.565559][ T903] addrconf_add_mroute+0x129/0x180 [ 8745.565559][ T903] addrconf_add_dev+0xe2/0x170 [ 8745.565559][ T903] inet6_addr_add+0x12f/0xa40 [ 8745.565559][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8745.565559][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.565559][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.565559][ T903] netlink_unicast+0x449/0x710 [ 8745.565559][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.565559][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.565559][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.565559][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.565559][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.565559][ T903] [ 8745.568017][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8745.568017][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8745.568017][ T903] ipv6_find_idev+0x102/0x170 [ 8745.568017][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.568017][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.568017][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.568017][ T903] netlink_unicast+0x449/0x710 [ 8745.568017][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.568017][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.568017][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.568017][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.568017][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.568017][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.568017][ T903] [ 8745.569917][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8745.569917][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8745.569917][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8745.569917][ T903] ipv6_find_idev+0x102/0x170 [ 8745.569917][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8745.569917][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8745.569917][ T903] netlink_rcv_skb+0x130/0x360 [ 8745.569917][ T903] netlink_unicast+0x449/0x710 [ 8745.569917][ T903] netlink_sendmsg+0x723/0xbe0 [ 8745.569917][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8745.569917][ T903] ___sys_sendmsg+0xee/0x170 [ 8745.569917][ T903] __sys_sendmsg+0xcd/0x170 [ 8745.569917][ T903] do_syscall_64+0xc6/0x1e0 [ 8745.569917][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8745.569917][ T903] [ 8755.821745][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8755.822281][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8755.822281][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8755.822281][ T903] ip6_validate_gw+0x3eb/0x790 [ 8755.822281][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8755.822281][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8755.822281][ T903] ip6_route_add+0x1c/0x140 [ 8755.822281][ T903] inet6_rtm_newroute+0x104/0x110 [ 8755.822281][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.822281][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.822281][ T903] netlink_unicast+0x449/0x710 [ 8755.822281][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.822281][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.822281][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.822281][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.822281][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.822281][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8755.822281][ T903] [ 8755.824672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8755.824672][ T903] netdev_get_by_index+0x5e/0x80 [ 8755.824672][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8755.824672][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8755.824672][ T903] ip6_route_add+0x1c/0x140 [ 8755.824672][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8755.824672][ T903] inet6_addr_add+0x4f8/0xa40 [ 8755.824672][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8755.824672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.824672][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.824672][ T903] netlink_unicast+0x449/0x710 [ 8755.824672][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.824672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.824672][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.824672][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.824672][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.824672][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8755.824672][ T903] [ 8755.827177][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8755.827177][ T903] netdev_get_by_index+0x5e/0x80 [ 8755.827177][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8755.827177][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8755.827177][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8755.827177][ T903] ipv6_add_addr+0x411/0x2000 [ 8755.827177][ T903] inet6_addr_add+0x30e/0xa40 [ 8755.827177][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8755.827177][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.827177][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.827177][ T903] netlink_unicast+0x449/0x710 [ 8755.827177][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.827177][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.827177][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.827177][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.827177][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.827177][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8755.827177][ T903] [ 8755.829698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8755.829698][ T903] netdev_get_by_index+0x5e/0x80 [ 8755.829698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8755.829698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8755.829698][ T903] ip6_route_add+0x1c/0x140 [ 8755.829698][ T903] addrconf_add_mroute+0x129/0x180 [ 8755.829698][ T903] addrconf_add_dev+0xe2/0x170 [ 8755.829698][ T903] inet6_addr_add+0x12f/0xa40 [ 8755.829698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8755.829698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.829698][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.829698][ T903] netlink_unicast+0x449/0x710 [ 8755.829698][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.829698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.829698][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.829698][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.829698][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.829698][ T903] [ 8755.832133][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8755.832133][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8755.832133][ T903] ipv6_find_idev+0x102/0x170 [ 8755.832133][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8755.832133][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.832133][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.832133][ T903] netlink_unicast+0x449/0x710 [ 8755.832133][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.832133][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.832133][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.832133][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.832133][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.832133][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8755.832133][ T903] [ 8755.834111][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8755.834111][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8755.834111][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8755.834111][ T903] ipv6_find_idev+0x102/0x170 [ 8755.834111][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8755.834111][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8755.834111][ T903] netlink_rcv_skb+0x130/0x360 [ 8755.834111][ T903] netlink_unicast+0x449/0x710 [ 8755.834111][ T903] netlink_sendmsg+0x723/0xbe0 [ 8755.834111][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8755.834111][ T903] ___sys_sendmsg+0xee/0x170 [ 8755.834111][ T903] __sys_sendmsg+0xcd/0x170 [ 8755.834111][ T903] do_syscall_64+0xc6/0x1e0 [ 8755.834111][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8755.834111][ T903] [ 8766.085825][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8766.086282][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8766.086282][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8766.086282][ T903] ip6_validate_gw+0x3eb/0x790 [ 8766.086282][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8766.086282][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8766.086282][ T903] ip6_route_add+0x1c/0x140 [ 8766.086282][ T903] inet6_rtm_newroute+0x104/0x110 [ 8766.086282][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.086282][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.086282][ T903] netlink_unicast+0x449/0x710 [ 8766.086282][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.086282][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.086282][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.086282][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.086282][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.086282][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.086282][ T903] [ 8766.088665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8766.088665][ T903] netdev_get_by_index+0x5e/0x80 [ 8766.088665][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8766.088665][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8766.088665][ T903] ip6_route_add+0x1c/0x140 [ 8766.088665][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8766.088665][ T903] inet6_addr_add+0x4f8/0xa40 [ 8766.088665][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.088665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.088665][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.088665][ T903] netlink_unicast+0x449/0x710 [ 8766.088665][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.088665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.088665][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.088665][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.088665][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.088665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.088665][ T903] [ 8766.091157][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8766.091157][ T903] netdev_get_by_index+0x5e/0x80 [ 8766.091157][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8766.091157][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8766.091157][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8766.091157][ T903] ipv6_add_addr+0x411/0x2000 [ 8766.091157][ T903] inet6_addr_add+0x30e/0xa40 [ 8766.091157][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.091157][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.091157][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.091157][ T903] netlink_unicast+0x449/0x710 [ 8766.091157][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.091157][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.091157][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.091157][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.091157][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.091157][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.091157][ T903] [ 8766.093669][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8766.093669][ T903] netdev_get_by_index+0x5e/0x80 [ 8766.093669][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8766.093669][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8766.093669][ T903] ip6_route_add+0x1c/0x140 [ 8766.093669][ T903] addrconf_add_mroute+0x129/0x180 [ 8766.093669][ T903] addrconf_add_dev+0xe2/0x170 [ 8766.093669][ T903] inet6_addr_add+0x12f/0xa40 [ 8766.093669][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.093669][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.093669][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.093669][ T903] netlink_unicast+0x449/0x710 [ 8766.093669][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.093669][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.093669][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.093669][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.093669][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.093669][ T903] [ 8766.096154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8766.096154][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8766.096154][ T903] ipv6_find_idev+0x102/0x170 [ 8766.096154][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.096154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.096154][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.096154][ T903] netlink_unicast+0x449/0x710 [ 8766.096154][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.096154][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.096154][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.096154][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.096154][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.096154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.096154][ T903] [ 8766.098071][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8766.098071][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8766.098071][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8766.098071][ T903] ipv6_find_idev+0x102/0x170 [ 8766.098071][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.098071][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.098071][ T903] netlink_rcv_skb+0x130/0x360 [ 8766.098071][ T903] netlink_unicast+0x449/0x710 [ 8766.098071][ T903] netlink_sendmsg+0x723/0xbe0 [ 8766.098071][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8766.098071][ T903] ___sys_sendmsg+0xee/0x170 [ 8766.098071][ T903] __sys_sendmsg+0xcd/0x170 [ 8766.098071][ T903] do_syscall_64+0xc6/0x1e0 [ 8766.098071][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.098071][ T903] [ 8776.293836][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8776.294382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8776.294382][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8776.294382][ T903] ip6_validate_gw+0x3eb/0x790 [ 8776.294382][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8776.294382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8776.294382][ T903] ip6_route_add+0x1c/0x140 [ 8776.294382][ T903] inet6_rtm_newroute+0x104/0x110 [ 8776.294382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.294382][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.294382][ T903] netlink_unicast+0x449/0x710 [ 8776.294382][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.294382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.294382][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.294382][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.294382][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.294382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.294382][ T903] [ 8776.296699][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8776.296699][ T903] netdev_get_by_index+0x5e/0x80 [ 8776.296699][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8776.296699][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8776.296699][ T903] ip6_route_add+0x1c/0x140 [ 8776.296699][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8776.296699][ T903] inet6_addr_add+0x4f8/0xa40 [ 8776.296699][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.296699][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.296699][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.296699][ T903] netlink_unicast+0x449/0x710 [ 8776.296699][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.296699][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.296699][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.296699][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.296699][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.296699][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.296699][ T903] [ 8776.299169][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8776.299169][ T903] netdev_get_by_index+0x5e/0x80 [ 8776.299169][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8776.299169][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8776.299169][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8776.299169][ T903] ipv6_add_addr+0x411/0x2000 [ 8776.299169][ T903] inet6_addr_add+0x30e/0xa40 [ 8776.299169][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.299169][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.299169][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.299169][ T903] netlink_unicast+0x449/0x710 [ 8776.299169][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.299169][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.299169][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.299169][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.299169][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.299169][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.299169][ T903] [ 8776.301615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8776.301615][ T903] netdev_get_by_index+0x5e/0x80 [ 8776.301615][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8776.301615][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8776.301615][ T903] ip6_route_add+0x1c/0x140 [ 8776.301615][ T903] addrconf_add_mroute+0x129/0x180 [ 8776.301615][ T903] addrconf_add_dev+0xe2/0x170 [ 8776.301615][ T903] inet6_addr_add+0x12f/0xa40 [ 8776.301615][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.301615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.301615][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.301615][ T903] netlink_unicast+0x449/0x710 [ 8776.301615][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.301615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.301615][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.301615][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.301615][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.301615][ T903] [ 8776.304032][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8776.304032][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8776.304032][ T903] ipv6_find_idev+0x102/0x170 [ 8776.304032][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.304032][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.304032][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.304032][ T903] netlink_unicast+0x449/0x710 [ 8776.304032][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.304032][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.304032][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.304032][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.304032][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.304032][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.304032][ T903] [ 8776.305905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8776.305905][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8776.305905][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8776.305905][ T903] ipv6_find_idev+0x102/0x170 [ 8776.305905][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.305905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.305905][ T903] netlink_rcv_skb+0x130/0x360 [ 8776.305905][ T903] netlink_unicast+0x449/0x710 [ 8776.305905][ T903] netlink_sendmsg+0x723/0xbe0 [ 8776.305905][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8776.305905][ T903] ___sys_sendmsg+0xee/0x170 [ 8776.305905][ T903] __sys_sendmsg+0xcd/0x170 [ 8776.305905][ T903] do_syscall_64+0xc6/0x1e0 [ 8776.305905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.305905][ T903] [ 8786.549795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8786.550303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8786.550303][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8786.550303][ T903] ip6_validate_gw+0x3eb/0x790 [ 8786.550303][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8786.550303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8786.550303][ T903] ip6_route_add+0x1c/0x140 [ 8786.550303][ T903] inet6_rtm_newroute+0x104/0x110 [ 8786.550303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.550303][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.550303][ T903] netlink_unicast+0x449/0x710 [ 8786.550303][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.550303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.550303][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.550303][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.550303][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.550303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.550303][ T903] [ 8786.552682][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8786.552682][ T903] netdev_get_by_index+0x5e/0x80 [ 8786.552682][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8786.552682][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8786.552682][ T903] ip6_route_add+0x1c/0x140 [ 8786.552682][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8786.552682][ T903] inet6_addr_add+0x4f8/0xa40 [ 8786.552682][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.552682][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.552682][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.552682][ T903] netlink_unicast+0x449/0x710 [ 8786.552682][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.552682][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.552682][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.552682][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.552682][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.552682][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.552682][ T903] [ 8786.555161][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8786.555161][ T903] netdev_get_by_index+0x5e/0x80 [ 8786.555161][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8786.555161][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8786.555161][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8786.555161][ T903] ipv6_add_addr+0x411/0x2000 [ 8786.555161][ T903] inet6_addr_add+0x30e/0xa40 [ 8786.555161][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.555161][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.555161][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.555161][ T903] netlink_unicast+0x449/0x710 [ 8786.555161][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.555161][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.555161][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.555161][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.555161][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.555161][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.555161][ T903] [ 8786.557637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8786.557637][ T903] netdev_get_by_index+0x5e/0x80 [ 8786.557637][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8786.557637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8786.557637][ T903] ip6_route_add+0x1c/0x140 [ 8786.557637][ T903] addrconf_add_mroute+0x129/0x180 [ 8786.557637][ T903] addrconf_add_dev+0xe2/0x170 [ 8786.557637][ T903] inet6_addr_add+0x12f/0xa40 [ 8786.557637][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.557637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.557637][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.557637][ T903] netlink_unicast+0x449/0x710 [ 8786.557637][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.557637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.557637][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.557637][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.557637][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.557637][ T903] [ 8786.560090][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8786.560090][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8786.560090][ T903] ipv6_find_idev+0x102/0x170 [ 8786.560090][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.560090][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.560090][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.560090][ T903] netlink_unicast+0x449/0x710 [ 8786.560090][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.560090][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.560090][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.560090][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.560090][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.560090][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.560090][ T903] [ 8786.562005][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8786.562005][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8786.562005][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8786.562005][ T903] ipv6_find_idev+0x102/0x170 [ 8786.562005][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.562005][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.562005][ T903] netlink_rcv_skb+0x130/0x360 [ 8786.562005][ T903] netlink_unicast+0x449/0x710 [ 8786.562005][ T903] netlink_sendmsg+0x723/0xbe0 [ 8786.562005][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8786.562005][ T903] ___sys_sendmsg+0xee/0x170 [ 8786.562005][ T903] __sys_sendmsg+0xcd/0x170 [ 8786.562005][ T903] do_syscall_64+0xc6/0x1e0 [ 8786.562005][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.562005][ T903] [ 8796.805837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8796.806446][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8796.806446][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8796.806446][ T903] ip6_validate_gw+0x3eb/0x790 [ 8796.806446][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8796.806446][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8796.806446][ T903] ip6_route_add+0x1c/0x140 [ 8796.806446][ T903] inet6_rtm_newroute+0x104/0x110 [ 8796.806446][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.806446][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.806446][ T903] netlink_unicast+0x449/0x710 [ 8796.806446][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.806446][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.806446][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.806446][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.806446][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.806446][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8796.806446][ T903] [ 8796.808713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8796.808713][ T903] netdev_get_by_index+0x5e/0x80 [ 8796.808713][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8796.808713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8796.808713][ T903] ip6_route_add+0x1c/0x140 [ 8796.808713][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8796.808713][ T903] inet6_addr_add+0x4f8/0xa40 [ 8796.808713][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8796.808713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.808713][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.808713][ T903] netlink_unicast+0x449/0x710 [ 8796.808713][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.808713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.808713][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.808713][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.808713][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.808713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8796.808713][ T903] [ 8796.810930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8796.810930][ T903] netdev_get_by_index+0x5e/0x80 [ 8796.810930][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8796.810930][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8796.810930][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8796.810930][ T903] ipv6_add_addr+0x411/0x2000 [ 8796.810930][ T903] inet6_addr_add+0x30e/0xa40 [ 8796.810930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8796.810930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.810930][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.810930][ T903] netlink_unicast+0x449/0x710 [ 8796.810930][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.810930][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.810930][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.810930][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.810930][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.810930][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8796.810930][ T903] [ 8796.813163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8796.813163][ T903] netdev_get_by_index+0x5e/0x80 [ 8796.813163][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8796.813163][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8796.813163][ T903] ip6_route_add+0x1c/0x140 [ 8796.813163][ T903] addrconf_add_mroute+0x129/0x180 [ 8796.813163][ T903] addrconf_add_dev+0xe2/0x170 [ 8796.813163][ T903] inet6_addr_add+0x12f/0xa40 [ 8796.813163][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8796.813163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.813163][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.813163][ T903] netlink_unicast+0x449/0x710 [ 8796.813163][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.813163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.813163][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.813163][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.813163][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.813163][ T903] [ 8796.815339][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8796.815339][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8796.815339][ T903] ipv6_find_idev+0x102/0x170 [ 8796.815339][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8796.815339][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.815339][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.815339][ T903] netlink_unicast+0x449/0x710 [ 8796.815339][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.815339][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.815339][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.815339][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.815339][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.815339][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8796.815339][ T903] [ 8796.817046][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8796.817046][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8796.817046][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8796.817046][ T903] ipv6_find_idev+0x102/0x170 [ 8796.817046][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8796.817046][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8796.817046][ T903] netlink_rcv_skb+0x130/0x360 [ 8796.817046][ T903] netlink_unicast+0x449/0x710 [ 8796.817046][ T903] netlink_sendmsg+0x723/0xbe0 [ 8796.817046][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8796.817046][ T903] ___sys_sendmsg+0xee/0x170 [ 8796.817046][ T903] __sys_sendmsg+0xcd/0x170 [ 8796.817046][ T903] do_syscall_64+0xc6/0x1e0 [ 8796.817046][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8796.817046][ T903] [ 8807.061884][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8807.062329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8807.062329][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8807.062329][ T903] ip6_validate_gw+0x3eb/0x790 [ 8807.062329][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8807.062329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8807.062329][ T903] ip6_route_add+0x1c/0x140 [ 8807.062329][ T903] inet6_rtm_newroute+0x104/0x110 [ 8807.062329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.062329][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.062329][ T903] netlink_unicast+0x449/0x710 [ 8807.062329][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.062329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.062329][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.062329][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.062329][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.062329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.062329][ T903] [ 8807.064425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8807.064425][ T903] netdev_get_by_index+0x5e/0x80 [ 8807.064425][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8807.064425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8807.064425][ T903] ip6_route_add+0x1c/0x140 [ 8807.064425][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8807.064425][ T903] inet6_addr_add+0x4f8/0xa40 [ 8807.064425][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.064425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.064425][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.064425][ T903] netlink_unicast+0x449/0x710 [ 8807.064425][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.064425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.064425][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.064425][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.064425][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.064425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.064425][ T903] [ 8807.067257][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8807.067257][ T903] netdev_get_by_index+0x5e/0x80 [ 8807.067257][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8807.067257][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8807.067257][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8807.067257][ T903] ipv6_add_addr+0x411/0x2000 [ 8807.067257][ T903] inet6_addr_add+0x30e/0xa40 [ 8807.067257][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.067257][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.067257][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.067257][ T903] netlink_unicast+0x449/0x710 [ 8807.067257][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.067257][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.067257][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.067257][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.067257][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.067257][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.067257][ T903] [ 8807.069876][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8807.069876][ T903] netdev_get_by_index+0x5e/0x80 [ 8807.069876][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8807.069876][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8807.069876][ T903] ip6_route_add+0x1c/0x140 [ 8807.069876][ T903] addrconf_add_mroute+0x129/0x180 [ 8807.069876][ T903] addrconf_add_dev+0xe2/0x170 [ 8807.069876][ T903] inet6_addr_add+0x12f/0xa40 [ 8807.069876][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.069876][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.069876][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.069876][ T903] netlink_unicast+0x449/0x710 [ 8807.069876][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.069876][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.069876][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.069876][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.069876][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.069876][ T903] [ 8807.072091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8807.072091][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8807.072091][ T903] ipv6_find_idev+0x102/0x170 [ 8807.072091][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.072091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.072091][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.072091][ T903] netlink_unicast+0x449/0x710 [ 8807.072091][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.072091][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.072091][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.072091][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.072091][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.072091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.072091][ T903] [ 8807.073804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8807.073804][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8807.073804][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8807.073804][ T903] ipv6_find_idev+0x102/0x170 [ 8807.073804][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.073804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.073804][ T903] netlink_rcv_skb+0x130/0x360 [ 8807.073804][ T903] netlink_unicast+0x449/0x710 [ 8807.073804][ T903] netlink_sendmsg+0x723/0xbe0 [ 8807.073804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8807.073804][ T903] ___sys_sendmsg+0xee/0x170 [ 8807.073804][ T903] __sys_sendmsg+0xcd/0x170 [ 8807.073804][ T903] do_syscall_64+0xc6/0x1e0 [ 8807.073804][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.073804][ T903] [ 8817.317808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8817.318314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8817.318314][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8817.318314][ T903] ip6_validate_gw+0x3eb/0x790 [ 8817.318314][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8817.318314][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8817.318314][ T903] ip6_route_add+0x1c/0x140 [ 8817.318314][ T903] inet6_rtm_newroute+0x104/0x110 [ 8817.318314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.318314][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.318314][ T903] netlink_unicast+0x449/0x710 [ 8817.318314][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.318314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.318314][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.318314][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.318314][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.318314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.318314][ T903] [ 8817.320436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8817.320436][ T903] netdev_get_by_index+0x5e/0x80 [ 8817.320436][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8817.320436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8817.320436][ T903] ip6_route_add+0x1c/0x140 [ 8817.320436][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8817.320436][ T903] inet6_addr_add+0x4f8/0xa40 [ 8817.320436][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.320436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.320436][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.320436][ T903] netlink_unicast+0x449/0x710 [ 8817.320436][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.320436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.320436][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.320436][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.320436][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.320436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.320436][ T903] [ 8817.322682][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8817.322682][ T903] netdev_get_by_index+0x5e/0x80 [ 8817.322682][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8817.322682][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8817.322682][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8817.322682][ T903] ipv6_add_addr+0x411/0x2000 [ 8817.322682][ T903] inet6_addr_add+0x30e/0xa40 [ 8817.322682][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.322682][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.322682][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.322682][ T903] netlink_unicast+0x449/0x710 [ 8817.322682][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.322682][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.322682][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.322682][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.322682][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.322682][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.322682][ T903] [ 8817.324911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8817.324911][ T903] netdev_get_by_index+0x5e/0x80 [ 8817.324911][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8817.324911][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8817.324911][ T903] ip6_route_add+0x1c/0x140 [ 8817.324911][ T903] addrconf_add_mroute+0x129/0x180 [ 8817.324911][ T903] addrconf_add_dev+0xe2/0x170 [ 8817.324911][ T903] inet6_addr_add+0x12f/0xa40 [ 8817.324911][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.324911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.324911][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.324911][ T903] netlink_unicast+0x449/0x710 [ 8817.324911][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.324911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.324911][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.324911][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.324911][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.324911][ T903] [ 8817.327102][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8817.327102][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8817.327102][ T903] ipv6_find_idev+0x102/0x170 [ 8817.327102][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.327102][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.327102][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.327102][ T903] netlink_unicast+0x449/0x710 [ 8817.327102][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.327102][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.327102][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.327102][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.327102][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.327102][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.327102][ T903] [ 8817.328820][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8817.328820][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8817.328820][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8817.328820][ T903] ipv6_find_idev+0x102/0x170 [ 8817.328820][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.328820][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.328820][ T903] netlink_rcv_skb+0x130/0x360 [ 8817.328820][ T903] netlink_unicast+0x449/0x710 [ 8817.328820][ T903] netlink_sendmsg+0x723/0xbe0 [ 8817.328820][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8817.328820][ T903] ___sys_sendmsg+0xee/0x170 [ 8817.328820][ T903] __sys_sendmsg+0xcd/0x170 [ 8817.328820][ T903] do_syscall_64+0xc6/0x1e0 [ 8817.328820][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.328820][ T903] [ 8827.573801][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8827.574264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8827.574264][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8827.574264][ T903] ip6_validate_gw+0x3eb/0x790 [ 8827.574264][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8827.574264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8827.574264][ T903] ip6_route_add+0x1c/0x140 [ 8827.574264][ T903] inet6_rtm_newroute+0x104/0x110 [ 8827.574264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.574264][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.574264][ T903] netlink_unicast+0x449/0x710 [ 8827.574264][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.574264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.574264][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.574264][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.574264][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.574264][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.574264][ T903] [ 8827.576358][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8827.576358][ T903] netdev_get_by_index+0x5e/0x80 [ 8827.576358][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8827.576358][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8827.576358][ T903] ip6_route_add+0x1c/0x140 [ 8827.576358][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8827.576358][ T903] inet6_addr_add+0x4f8/0xa40 [ 8827.576358][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.576358][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.576358][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.576358][ T903] netlink_unicast+0x449/0x710 [ 8827.576358][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.576358][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.576358][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.576358][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.576358][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.576358][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.576358][ T903] [ 8827.578604][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8827.578604][ T903] netdev_get_by_index+0x5e/0x80 [ 8827.578604][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8827.578604][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8827.578604][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8827.578604][ T903] ipv6_add_addr+0x411/0x2000 [ 8827.578604][ T903] inet6_addr_add+0x30e/0xa40 [ 8827.578604][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.578604][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.578604][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.578604][ T903] netlink_unicast+0x449/0x710 [ 8827.578604][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.578604][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.578604][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.578604][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.578604][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.578604][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.578604][ T903] [ 8827.580852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8827.580852][ T903] netdev_get_by_index+0x5e/0x80 [ 8827.580852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8827.580852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8827.580852][ T903] ip6_route_add+0x1c/0x140 [ 8827.580852][ T903] addrconf_add_mroute+0x129/0x180 [ 8827.580852][ T903] addrconf_add_dev+0xe2/0x170 [ 8827.580852][ T903] inet6_addr_add+0x12f/0xa40 [ 8827.580852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.580852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.580852][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.580852][ T903] netlink_unicast+0x449/0x710 [ 8827.580852][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.580852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.580852][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.580852][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.580852][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.580852][ T903] [ 8827.583069][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8827.583069][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8827.583069][ T903] ipv6_find_idev+0x102/0x170 [ 8827.583069][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.583069][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.583069][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.583069][ T903] netlink_unicast+0x449/0x710 [ 8827.583069][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.583069][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.583069][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.583069][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.583069][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.583069][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.583069][ T903] [ 8827.584786][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8827.584786][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8827.584786][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8827.584786][ T903] ipv6_find_idev+0x102/0x170 [ 8827.584786][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.584786][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.584786][ T903] netlink_rcv_skb+0x130/0x360 [ 8827.584786][ T903] netlink_unicast+0x449/0x710 [ 8827.584786][ T903] netlink_sendmsg+0x723/0xbe0 [ 8827.584786][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8827.584786][ T903] ___sys_sendmsg+0xee/0x170 [ 8827.584786][ T903] __sys_sendmsg+0xcd/0x170 [ 8827.584786][ T903] do_syscall_64+0xc6/0x1e0 [ 8827.584786][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.584786][ T903] [ 8837.837901][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8837.838346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8837.838346][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8837.838346][ T903] ip6_validate_gw+0x3eb/0x790 [ 8837.838346][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8837.838346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8837.838346][ T903] ip6_route_add+0x1c/0x140 [ 8837.838346][ T903] inet6_rtm_newroute+0x104/0x110 [ 8837.838346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.838346][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.838346][ T903] netlink_unicast+0x449/0x710 [ 8837.838346][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.838346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.838346][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.838346][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.838346][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.838346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.838346][ T903] [ 8837.840472][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8837.840472][ T903] netdev_get_by_index+0x5e/0x80 [ 8837.840472][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8837.840472][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8837.840472][ T903] ip6_route_add+0x1c/0x140 [ 8837.840472][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8837.840472][ T903] inet6_addr_add+0x4f8/0xa40 [ 8837.840472][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8837.840472][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.840472][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.840472][ T903] netlink_unicast+0x449/0x710 [ 8837.840472][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.840472][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.840472][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.840472][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.840472][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.840472][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.840472][ T903] [ 8837.842707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8837.842707][ T903] netdev_get_by_index+0x5e/0x80 [ 8837.842707][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8837.842707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8837.842707][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8837.842707][ T903] ipv6_add_addr+0x411/0x2000 [ 8837.842707][ T903] inet6_addr_add+0x30e/0xa40 [ 8837.842707][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8837.842707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.842707][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.842707][ T903] netlink_unicast+0x449/0x710 [ 8837.842707][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.842707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.842707][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.842707][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.842707][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.842707][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.842707][ T903] [ 8837.844933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8837.844933][ T903] netdev_get_by_index+0x5e/0x80 [ 8837.844933][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8837.844933][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8837.844933][ T903] ip6_route_add+0x1c/0x140 [ 8837.844933][ T903] addrconf_add_mroute+0x129/0x180 [ 8837.844933][ T903] addrconf_add_dev+0xe2/0x170 [ 8837.844933][ T903] inet6_addr_add+0x12f/0xa40 [ 8837.844933][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8837.844933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.844933][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.844933][ T903] netlink_unicast+0x449/0x710 [ 8837.844933][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.844933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.844933][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.844933][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.844933][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.844933][ T903] [ 8837.847116][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8837.847116][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8837.847116][ T903] ipv6_find_idev+0x102/0x170 [ 8837.847116][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8837.847116][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.847116][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.847116][ T903] netlink_unicast+0x449/0x710 [ 8837.847116][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.847116][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.847116][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.847116][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.847116][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.847116][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.847116][ T903] [ 8837.848826][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8837.848826][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8837.848826][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8837.848826][ T903] ipv6_find_idev+0x102/0x170 [ 8837.848826][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8837.848826][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.848826][ T903] netlink_rcv_skb+0x130/0x360 [ 8837.848826][ T903] netlink_unicast+0x449/0x710 [ 8837.848826][ T903] netlink_sendmsg+0x723/0xbe0 [ 8837.848826][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8837.848826][ T903] ___sys_sendmsg+0xee/0x170 [ 8837.848826][ T903] __sys_sendmsg+0xcd/0x170 [ 8837.848826][ T903] do_syscall_64+0xc6/0x1e0 [ 8837.848826][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.848826][ T903] [ 8848.093855][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8848.094352][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8848.094352][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8848.094352][ T903] ip6_validate_gw+0x3eb/0x790 [ 8848.094352][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8848.094352][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8848.094352][ T903] ip6_route_add+0x1c/0x140 [ 8848.094352][ T903] inet6_rtm_newroute+0x104/0x110 [ 8848.094352][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.094352][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.094352][ T903] netlink_unicast+0x449/0x710 [ 8848.094352][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.094352][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.094352][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.094352][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.094352][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.094352][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.094352][ T903] [ 8848.096677][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8848.096677][ T903] netdev_get_by_index+0x5e/0x80 [ 8848.096677][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8848.096677][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8848.096677][ T903] ip6_route_add+0x1c/0x140 [ 8848.096677][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8848.096677][ T903] inet6_addr_add+0x4f8/0xa40 [ 8848.096677][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.096677][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.096677][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.096677][ T903] netlink_unicast+0x449/0x710 [ 8848.096677][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.096677][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.096677][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.096677][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.096677][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.096677][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.096677][ T903] [ 8848.099157][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8848.099157][ T903] netdev_get_by_index+0x5e/0x80 [ 8848.099157][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8848.099157][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8848.099157][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8848.099157][ T903] ipv6_add_addr+0x411/0x2000 [ 8848.099157][ T903] inet6_addr_add+0x30e/0xa40 [ 8848.099157][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.099157][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.099157][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.099157][ T903] netlink_unicast+0x449/0x710 [ 8848.099157][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.099157][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.099157][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.099157][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.099157][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.099157][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.099157][ T903] [ 8848.101616][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8848.101616][ T903] netdev_get_by_index+0x5e/0x80 [ 8848.101616][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8848.101616][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8848.101616][ T903] ip6_route_add+0x1c/0x140 [ 8848.101616][ T903] addrconf_add_mroute+0x129/0x180 [ 8848.101616][ T903] addrconf_add_dev+0xe2/0x170 [ 8848.101616][ T903] inet6_addr_add+0x12f/0xa40 [ 8848.101616][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.101616][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.101616][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.101616][ T903] netlink_unicast+0x449/0x710 [ 8848.101616][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.101616][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.101616][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.101616][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.101616][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.101616][ T903] [ 8848.104047][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8848.104047][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8848.104047][ T903] ipv6_find_idev+0x102/0x170 [ 8848.104047][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.104047][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.104047][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.104047][ T903] netlink_unicast+0x449/0x710 [ 8848.104047][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.104047][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.104047][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.104047][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.104047][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.104047][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.104047][ T903] [ 8848.105948][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8848.105948][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8848.105948][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8848.105948][ T903] ipv6_find_idev+0x102/0x170 [ 8848.105948][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.105948][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.105948][ T903] netlink_rcv_skb+0x130/0x360 [ 8848.105948][ T903] netlink_unicast+0x449/0x710 [ 8848.105948][ T903] netlink_sendmsg+0x723/0xbe0 [ 8848.105948][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8848.105948][ T903] ___sys_sendmsg+0xee/0x170 [ 8848.105948][ T903] __sys_sendmsg+0xcd/0x170 [ 8848.105948][ T903] do_syscall_64+0xc6/0x1e0 [ 8848.105948][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.105948][ T903] [ 8858.349805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8858.350283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8858.350283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8858.350283][ T903] ip6_validate_gw+0x3eb/0x790 [ 8858.350283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8858.350283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8858.350283][ T903] ip6_route_add+0x1c/0x140 [ 8858.350283][ T903] inet6_rtm_newroute+0x104/0x110 [ 8858.350283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.350283][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.350283][ T903] netlink_unicast+0x449/0x710 [ 8858.350283][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.350283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.350283][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.350283][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.350283][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.350283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.350283][ T903] [ 8858.352416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8858.352416][ T903] netdev_get_by_index+0x5e/0x80 [ 8858.352416][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8858.352416][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8858.352416][ T903] ip6_route_add+0x1c/0x140 [ 8858.352416][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8858.352416][ T903] inet6_addr_add+0x4f8/0xa40 [ 8858.352416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.352416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.352416][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.352416][ T903] netlink_unicast+0x449/0x710 [ 8858.352416][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.352416][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.352416][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.352416][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.352416][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.352416][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.352416][ T903] [ 8858.354624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8858.354624][ T903] netdev_get_by_index+0x5e/0x80 [ 8858.354624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8858.354624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8858.354624][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8858.354624][ T903] ipv6_add_addr+0x411/0x2000 [ 8858.354624][ T903] inet6_addr_add+0x30e/0xa40 [ 8858.354624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.354624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.354624][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.354624][ T903] netlink_unicast+0x449/0x710 [ 8858.354624][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.354624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.354624][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.354624][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.354624][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.354624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.354624][ T903] [ 8858.356803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8858.356803][ T903] netdev_get_by_index+0x5e/0x80 [ 8858.356803][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8858.356803][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8858.356803][ T903] ip6_route_add+0x1c/0x140 [ 8858.356803][ T903] addrconf_add_mroute+0x129/0x180 [ 8858.356803][ T903] addrconf_add_dev+0xe2/0x170 [ 8858.356803][ T903] inet6_addr_add+0x12f/0xa40 [ 8858.356803][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.356803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.356803][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.356803][ T903] netlink_unicast+0x449/0x710 [ 8858.356803][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.356803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.356803][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.356803][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.356803][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.356803][ T903] [ 8858.359015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8858.359015][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8858.359015][ T903] ipv6_find_idev+0x102/0x170 [ 8858.359015][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.359015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.359015][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.359015][ T903] netlink_unicast+0x449/0x710 [ 8858.359015][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.359015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.359015][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.359015][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.359015][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.359015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.359015][ T903] [ 8858.360729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8858.360729][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8858.360729][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8858.360729][ T903] ipv6_find_idev+0x102/0x170 [ 8858.360729][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.360729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.360729][ T903] netlink_rcv_skb+0x130/0x360 [ 8858.360729][ T903] netlink_unicast+0x449/0x710 [ 8858.360729][ T903] netlink_sendmsg+0x723/0xbe0 [ 8858.360729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8858.360729][ T903] ___sys_sendmsg+0xee/0x170 [ 8858.360729][ T903] __sys_sendmsg+0xcd/0x170 [ 8858.360729][ T903] do_syscall_64+0xc6/0x1e0 [ 8858.360729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.360729][ T903] [ 8868.597805][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8868.598281][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8868.598281][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8868.598281][ T903] ip6_validate_gw+0x3eb/0x790 [ 8868.598281][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8868.598281][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8868.598281][ T903] ip6_route_add+0x1c/0x140 [ 8868.598281][ T903] inet6_rtm_newroute+0x104/0x110 [ 8868.598281][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.598281][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.598281][ T903] netlink_unicast+0x449/0x710 [ 8868.598281][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.598281][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.598281][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.598281][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.598281][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.598281][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.598281][ T903] [ 8868.600381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8868.600381][ T903] netdev_get_by_index+0x5e/0x80 [ 8868.600381][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8868.600381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8868.600381][ T903] ip6_route_add+0x1c/0x140 [ 8868.600381][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8868.600381][ T903] inet6_addr_add+0x4f8/0xa40 [ 8868.600381][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.600381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.600381][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.600381][ T903] netlink_unicast+0x449/0x710 [ 8868.600381][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.600381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.600381][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.600381][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.600381][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.600381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.600381][ T903] [ 8868.603128][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8868.603128][ T903] netdev_get_by_index+0x5e/0x80 [ 8868.603128][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8868.603128][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8868.603128][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8868.603128][ T903] ipv6_add_addr+0x411/0x2000 [ 8868.603128][ T903] inet6_addr_add+0x30e/0xa40 [ 8868.603128][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.603128][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.603128][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.603128][ T903] netlink_unicast+0x449/0x710 [ 8868.603128][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.603128][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.603128][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.603128][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.603128][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.603128][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.603128][ T903] [ 8868.605357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8868.605357][ T903] netdev_get_by_index+0x5e/0x80 [ 8868.605357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8868.605357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8868.605357][ T903] ip6_route_add+0x1c/0x140 [ 8868.605357][ T903] addrconf_add_mroute+0x129/0x180 [ 8868.605357][ T903] addrconf_add_dev+0xe2/0x170 [ 8868.605357][ T903] inet6_addr_add+0x12f/0xa40 [ 8868.605357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.605357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.605357][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.605357][ T903] netlink_unicast+0x449/0x710 [ 8868.605357][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.605357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.605357][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.605357][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.605357][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.605357][ T903] [ 8868.607546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8868.607546][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8868.607546][ T903] ipv6_find_idev+0x102/0x170 [ 8868.607546][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.607546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.607546][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.607546][ T903] netlink_unicast+0x449/0x710 [ 8868.607546][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.607546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.607546][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.607546][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.607546][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.607546][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.607546][ T903] [ 8868.609283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8868.609283][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8868.609283][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8868.609283][ T903] ipv6_find_idev+0x102/0x170 [ 8868.609283][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.609283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.609283][ T903] netlink_rcv_skb+0x130/0x360 [ 8868.609283][ T903] netlink_unicast+0x449/0x710 [ 8868.609283][ T903] netlink_sendmsg+0x723/0xbe0 [ 8868.609283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8868.609283][ T903] ___sys_sendmsg+0xee/0x170 [ 8868.609283][ T903] __sys_sendmsg+0xcd/0x170 [ 8868.609283][ T903] do_syscall_64+0xc6/0x1e0 [ 8868.609283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.609283][ T903] [ 8878.853799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8878.854259][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8878.854259][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8878.854259][ T903] ip6_validate_gw+0x3eb/0x790 [ 8878.854259][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8878.854259][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8878.854259][ T903] ip6_route_add+0x1c/0x140 [ 8878.854259][ T903] inet6_rtm_newroute+0x104/0x110 [ 8878.854259][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.854259][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.854259][ T903] netlink_unicast+0x449/0x710 [ 8878.854259][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.854259][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.854259][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.854259][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.854259][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.854259][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.854259][ T903] [ 8878.856555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8878.856555][ T903] netdev_get_by_index+0x5e/0x80 [ 8878.856555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8878.856555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8878.856555][ T903] ip6_route_add+0x1c/0x140 [ 8878.856555][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8878.856555][ T903] inet6_addr_add+0x4f8/0xa40 [ 8878.856555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.856555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.856555][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.856555][ T903] netlink_unicast+0x449/0x710 [ 8878.856555][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.856555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.856555][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.856555][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.856555][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.856555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.856555][ T903] [ 8878.858944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8878.858944][ T903] netdev_get_by_index+0x5e/0x80 [ 8878.858944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8878.858944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8878.858944][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8878.858944][ T903] ipv6_add_addr+0x411/0x2000 [ 8878.858944][ T903] inet6_addr_add+0x30e/0xa40 [ 8878.858944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.858944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.858944][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.858944][ T903] netlink_unicast+0x449/0x710 [ 8878.858944][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.858944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.858944][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.858944][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.858944][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.858944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.858944][ T903] [ 8878.861357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8878.861357][ T903] netdev_get_by_index+0x5e/0x80 [ 8878.861357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8878.861357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8878.861357][ T903] ip6_route_add+0x1c/0x140 [ 8878.861357][ T903] addrconf_add_mroute+0x129/0x180 [ 8878.861357][ T903] addrconf_add_dev+0xe2/0x170 [ 8878.861357][ T903] inet6_addr_add+0x12f/0xa40 [ 8878.861357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.861357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.861357][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.861357][ T903] netlink_unicast+0x449/0x710 [ 8878.861357][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.861357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.861357][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.861357][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.861357][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.861357][ T903] [ 8878.863733][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8878.863733][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8878.863733][ T903] ipv6_find_idev+0x102/0x170 [ 8878.863733][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.863733][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.863733][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.863733][ T903] netlink_unicast+0x449/0x710 [ 8878.863733][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.863733][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.863733][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.863733][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.863733][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.863733][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.863733][ T903] [ 8878.865576][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8878.865576][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8878.865576][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8878.865576][ T903] ipv6_find_idev+0x102/0x170 [ 8878.865576][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.865576][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.865576][ T903] netlink_rcv_skb+0x130/0x360 [ 8878.865576][ T903] netlink_unicast+0x449/0x710 [ 8878.865576][ T903] netlink_sendmsg+0x723/0xbe0 [ 8878.865576][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8878.865576][ T903] ___sys_sendmsg+0xee/0x170 [ 8878.865576][ T903] __sys_sendmsg+0xcd/0x170 [ 8878.865576][ T903] do_syscall_64+0xc6/0x1e0 [ 8878.865576][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.865576][ T903] [ 8889.109797][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8889.110319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8889.110319][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8889.110319][ T903] ip6_validate_gw+0x3eb/0x790 [ 8889.110319][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8889.110319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8889.110319][ T903] ip6_route_add+0x1c/0x140 [ 8889.110319][ T903] inet6_rtm_newroute+0x104/0x110 [ 8889.110319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.110319][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.110319][ T903] netlink_unicast+0x449/0x710 [ 8889.110319][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.110319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.110319][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.110319][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.110319][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.110319][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.110319][ T903] [ 8889.112678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8889.112678][ T903] netdev_get_by_index+0x5e/0x80 [ 8889.112678][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8889.112678][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8889.112678][ T903] ip6_route_add+0x1c/0x140 [ 8889.112678][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8889.112678][ T903] inet6_addr_add+0x4f8/0xa40 [ 8889.112678][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.112678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.112678][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.112678][ T903] netlink_unicast+0x449/0x710 [ 8889.112678][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.112678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.112678][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.112678][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.112678][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.112678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.112678][ T903] [ 8889.115149][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8889.115149][ T903] netdev_get_by_index+0x5e/0x80 [ 8889.115149][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8889.115149][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8889.115149][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8889.115149][ T903] ipv6_add_addr+0x411/0x2000 [ 8889.115149][ T903] inet6_addr_add+0x30e/0xa40 [ 8889.115149][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.115149][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.115149][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.115149][ T903] netlink_unicast+0x449/0x710 [ 8889.115149][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.115149][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.115149][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.115149][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.115149][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.115149][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.115149][ T903] [ 8889.118117][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8889.118117][ T903] netdev_get_by_index+0x5e/0x80 [ 8889.118117][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8889.118117][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8889.118117][ T903] ip6_route_add+0x1c/0x140 [ 8889.118117][ T903] addrconf_add_mroute+0x129/0x180 [ 8889.118117][ T903] addrconf_add_dev+0xe2/0x170 [ 8889.118117][ T903] inet6_addr_add+0x12f/0xa40 [ 8889.118117][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8889.118117][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.118117][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.118117][ T903] netlink_unicast+0x449/0x710 [ 8889.118117][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.118117][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.118117][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.118117][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.118117][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.118117][ T903] [ 8889.120548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8889.120548][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8889.120548][ T903] ipv6_find_idev+0x102/0x170 [ 8889.120548][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.120548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.120548][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.120548][ T903] netlink_unicast+0x449/0x710 [ 8889.120548][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.120548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.120548][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.120548][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.120548][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.120548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.120548][ T903] [ 8889.122442][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8889.122442][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8889.122442][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8889.122442][ T903] ipv6_find_idev+0x102/0x170 [ 8889.122442][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8889.122442][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8889.122442][ T903] netlink_rcv_skb+0x130/0x360 [ 8889.122442][ T903] netlink_unicast+0x449/0x710 [ 8889.122442][ T903] netlink_sendmsg+0x723/0xbe0 [ 8889.122442][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8889.122442][ T903] ___sys_sendmsg+0xee/0x170 [ 8889.122442][ T903] __sys_sendmsg+0xcd/0x170 [ 8889.122442][ T903] do_syscall_64+0xc6/0x1e0 [ 8889.122442][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8889.122442][ T903] [ 8899.189781][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8899.190466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8899.190466][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8899.190466][ T903] ip6_validate_gw+0x3eb/0x790 [ 8899.190466][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8899.190466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8899.190466][ T903] ip6_route_add+0x1c/0x140 [ 8899.190466][ T903] inet6_rtm_newroute+0x104/0x110 [ 8899.190466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.190466][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.190466][ T903] netlink_unicast+0x449/0x710 [ 8899.190466][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.190466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.190466][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.190466][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.190466][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.190466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.190466][ T903] [ 8899.194016][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8899.194016][ T903] netdev_get_by_index+0x5e/0x80 [ 8899.194016][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8899.194016][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8899.194016][ T903] ip6_route_add+0x1c/0x140 [ 8899.194016][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8899.194016][ T903] inet6_addr_add+0x4f8/0xa40 [ 8899.194016][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.194016][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.194016][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.194016][ T903] netlink_unicast+0x449/0x710 [ 8899.194016][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.194016][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.194016][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.194016][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.194016][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.194016][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.194016][ T903] [ 8899.197610][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8899.197610][ T903] netdev_get_by_index+0x5e/0x80 [ 8899.197610][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8899.197610][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8899.197610][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8899.197610][ T903] ipv6_add_addr+0x411/0x2000 [ 8899.197610][ T903] inet6_addr_add+0x30e/0xa40 [ 8899.197610][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.197610][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.197610][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.197610][ T903] netlink_unicast+0x449/0x710 [ 8899.197610][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.197610][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.197610][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.197610][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.197610][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.197610][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.197610][ T903] [ 8899.201228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8899.201228][ T903] netdev_get_by_index+0x5e/0x80 [ 8899.201228][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8899.201228][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8899.201228][ T903] ip6_route_add+0x1c/0x140 [ 8899.201228][ T903] addrconf_add_mroute+0x129/0x180 [ 8899.201228][ T903] addrconf_add_dev+0xe2/0x170 [ 8899.201228][ T903] inet6_addr_add+0x12f/0xa40 [ 8899.201228][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.201228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.201228][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.201228][ T903] netlink_unicast+0x449/0x710 [ 8899.201228][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.201228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.201228][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.201228][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.201228][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.201228][ T903] [ 8899.204904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8899.204904][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8899.204904][ T903] ipv6_find_idev+0x102/0x170 [ 8899.204904][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.204904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.204904][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.204904][ T903] netlink_unicast+0x449/0x710 [ 8899.204904][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.204904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.204904][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.204904][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.204904][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.204904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.204904][ T903] [ 8899.207486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8899.207486][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8899.207486][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8899.207486][ T903] ipv6_find_idev+0x102/0x170 [ 8899.207486][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.207486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.207486][ T903] netlink_rcv_skb+0x130/0x360 [ 8899.207486][ T903] netlink_unicast+0x449/0x710 [ 8899.207486][ T903] netlink_sendmsg+0x723/0xbe0 [ 8899.207486][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8899.207486][ T903] ___sys_sendmsg+0xee/0x170 [ 8899.207486][ T903] __sys_sendmsg+0xcd/0x170 [ 8899.207486][ T903] do_syscall_64+0xc6/0x1e0 [ 8899.207486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.207486][ T903] [ 8909.445813][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8909.446283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8909.446283][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8909.446283][ T903] ip6_validate_gw+0x3eb/0x790 [ 8909.446283][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8909.446283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8909.446283][ T903] ip6_route_add+0x1c/0x140 [ 8909.446283][ T903] inet6_rtm_newroute+0x104/0x110 [ 8909.446283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.446283][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.446283][ T903] netlink_unicast+0x449/0x710 [ 8909.446283][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.446283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.446283][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.446283][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.446283][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.446283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.446283][ T903] [ 8909.448624][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8909.448624][ T903] netdev_get_by_index+0x5e/0x80 [ 8909.448624][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8909.448624][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8909.448624][ T903] ip6_route_add+0x1c/0x140 [ 8909.448624][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8909.448624][ T903] inet6_addr_add+0x4f8/0xa40 [ 8909.448624][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.448624][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.448624][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.448624][ T903] netlink_unicast+0x449/0x710 [ 8909.448624][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.448624][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.448624][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.448624][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.448624][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.448624][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.448624][ T903] [ 8909.451061][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8909.451061][ T903] netdev_get_by_index+0x5e/0x80 [ 8909.451061][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8909.451061][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8909.451061][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8909.451061][ T903] ipv6_add_addr+0x411/0x2000 [ 8909.451061][ T903] inet6_addr_add+0x30e/0xa40 [ 8909.451061][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.451061][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.451061][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.451061][ T903] netlink_unicast+0x449/0x710 [ 8909.451061][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.451061][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.451061][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.451061][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.451061][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.451061][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.451061][ T903] [ 8909.453536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8909.453536][ T903] netdev_get_by_index+0x5e/0x80 [ 8909.453536][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8909.453536][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8909.453536][ T903] ip6_route_add+0x1c/0x140 [ 8909.453536][ T903] addrconf_add_mroute+0x129/0x180 [ 8909.453536][ T903] addrconf_add_dev+0xe2/0x170 [ 8909.453536][ T903] inet6_addr_add+0x12f/0xa40 [ 8909.453536][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.453536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.453536][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.453536][ T903] netlink_unicast+0x449/0x710 [ 8909.453536][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.453536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.453536][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.453536][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.453536][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.453536][ T903] [ 8909.455949][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8909.455949][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8909.455949][ T903] ipv6_find_idev+0x102/0x170 [ 8909.455949][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8909.455949][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.455949][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.455949][ T903] netlink_unicast+0x449/0x710 [ 8909.455949][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.455949][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.455949][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.455949][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.455949][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.455949][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.455949][ T903] [ 8909.457830][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8909.457830][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8909.457830][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8909.457830][ T903] ipv6_find_idev+0x102/0x170 [ 8909.457830][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8909.457830][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.457830][ T903] netlink_rcv_skb+0x130/0x360 [ 8909.457830][ T903] netlink_unicast+0x449/0x710 [ 8909.457830][ T903] netlink_sendmsg+0x723/0xbe0 [ 8909.457830][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8909.457830][ T903] ___sys_sendmsg+0xee/0x170 [ 8909.457830][ T903] __sys_sendmsg+0xcd/0x170 [ 8909.457830][ T903] do_syscall_64+0xc6/0x1e0 [ 8909.457830][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.457830][ T903] [ 8919.701794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8919.702260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8919.702260][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8919.702260][ T903] ip6_validate_gw+0x3eb/0x790 [ 8919.702260][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8919.702260][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8919.702260][ T903] ip6_route_add+0x1c/0x140 [ 8919.702260][ T903] inet6_rtm_newroute+0x104/0x110 [ 8919.702260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.702260][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.702260][ T903] netlink_unicast+0x449/0x710 [ 8919.702260][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.702260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.702260][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.702260][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.702260][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.702260][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.702260][ T903] [ 8919.704584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8919.704584][ T903] netdev_get_by_index+0x5e/0x80 [ 8919.704584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8919.704584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8919.704584][ T903] ip6_route_add+0x1c/0x140 [ 8919.704584][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8919.704584][ T903] inet6_addr_add+0x4f8/0xa40 [ 8919.704584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.704584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.704584][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.704584][ T903] netlink_unicast+0x449/0x710 [ 8919.704584][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.704584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.704584][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.704584][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.704584][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.704584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.704584][ T903] [ 8919.707023][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8919.707023][ T903] netdev_get_by_index+0x5e/0x80 [ 8919.707023][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8919.707023][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8919.707023][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8919.707023][ T903] ipv6_add_addr+0x411/0x2000 [ 8919.707023][ T903] inet6_addr_add+0x30e/0xa40 [ 8919.707023][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.707023][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.707023][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.707023][ T903] netlink_unicast+0x449/0x710 [ 8919.707023][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.707023][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.707023][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.707023][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.707023][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.707023][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.707023][ T903] [ 8919.709488][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8919.709488][ T903] netdev_get_by_index+0x5e/0x80 [ 8919.709488][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8919.709488][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8919.709488][ T903] ip6_route_add+0x1c/0x140 [ 8919.709488][ T903] addrconf_add_mroute+0x129/0x180 [ 8919.709488][ T903] addrconf_add_dev+0xe2/0x170 [ 8919.709488][ T903] inet6_addr_add+0x12f/0xa40 [ 8919.709488][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.709488][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.709488][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.709488][ T903] netlink_unicast+0x449/0x710 [ 8919.709488][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.709488][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.709488][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.709488][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.709488][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.709488][ T903] [ 8919.711921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8919.711921][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8919.711921][ T903] ipv6_find_idev+0x102/0x170 [ 8919.711921][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.711921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.711921][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.711921][ T903] netlink_unicast+0x449/0x710 [ 8919.711921][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.711921][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.711921][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.711921][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.711921][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.711921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.711921][ T903] [ 8919.713788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8919.713788][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8919.713788][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8919.713788][ T903] ipv6_find_idev+0x102/0x170 [ 8919.713788][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.713788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.713788][ T903] netlink_rcv_skb+0x130/0x360 [ 8919.713788][ T903] netlink_unicast+0x449/0x710 [ 8919.713788][ T903] netlink_sendmsg+0x723/0xbe0 [ 8919.713788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8919.713788][ T903] ___sys_sendmsg+0xee/0x170 [ 8919.713788][ T903] __sys_sendmsg+0xcd/0x170 [ 8919.713788][ T903] do_syscall_64+0xc6/0x1e0 [ 8919.713788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.713788][ T903] [ 8929.957856][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8929.958722][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8929.958722][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8929.958722][ T903] ip6_validate_gw+0x3eb/0x790 [ 8929.958722][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8929.958722][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8929.958722][ T903] ip6_route_add+0x1c/0x140 [ 8929.958722][ T903] inet6_rtm_newroute+0x104/0x110 [ 8929.958722][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.958722][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.958722][ T903] netlink_unicast+0x449/0x710 [ 8929.958722][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.958722][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.958722][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.958722][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.958722][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.958722][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.958722][ T903] [ 8929.961035][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8929.961035][ T903] netdev_get_by_index+0x5e/0x80 [ 8929.961035][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8929.961035][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8929.961035][ T903] ip6_route_add+0x1c/0x140 [ 8929.961035][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8929.961035][ T903] inet6_addr_add+0x4f8/0xa40 [ 8929.961035][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.961035][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.961035][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.961035][ T903] netlink_unicast+0x449/0x710 [ 8929.961035][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.961035][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.961035][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.961035][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.961035][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.961035][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.961035][ T903] [ 8929.963506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8929.963506][ T903] netdev_get_by_index+0x5e/0x80 [ 8929.963506][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8929.963506][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8929.963506][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8929.963506][ T903] ipv6_add_addr+0x411/0x2000 [ 8929.963506][ T903] inet6_addr_add+0x30e/0xa40 [ 8929.963506][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.963506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.963506][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.963506][ T903] netlink_unicast+0x449/0x710 [ 8929.963506][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.963506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.963506][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.963506][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.963506][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.963506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.963506][ T903] [ 8929.965947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8929.965947][ T903] netdev_get_by_index+0x5e/0x80 [ 8929.965947][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8929.965947][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8929.965947][ T903] ip6_route_add+0x1c/0x140 [ 8929.965947][ T903] addrconf_add_mroute+0x129/0x180 [ 8929.965947][ T903] addrconf_add_dev+0xe2/0x170 [ 8929.965947][ T903] inet6_addr_add+0x12f/0xa40 [ 8929.965947][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.965947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.965947][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.965947][ T903] netlink_unicast+0x449/0x710 [ 8929.965947][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.965947][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.965947][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.965947][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.965947][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.965947][ T903] [ 8929.968382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8929.968382][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8929.968382][ T903] ipv6_find_idev+0x102/0x170 [ 8929.968382][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.968382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.968382][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.968382][ T903] netlink_unicast+0x449/0x710 [ 8929.968382][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.968382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.968382][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.968382][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.968382][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.968382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.968382][ T903] [ 8929.970279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8929.970279][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8929.970279][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8929.970279][ T903] ipv6_find_idev+0x102/0x170 [ 8929.970279][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.970279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.970279][ T903] netlink_rcv_skb+0x130/0x360 [ 8929.970279][ T903] netlink_unicast+0x449/0x710 [ 8929.970279][ T903] netlink_sendmsg+0x723/0xbe0 [ 8929.970279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8929.970279][ T903] ___sys_sendmsg+0xee/0x170 [ 8929.970279][ T903] __sys_sendmsg+0xcd/0x170 [ 8929.970279][ T903] do_syscall_64+0xc6/0x1e0 [ 8929.970279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.970279][ T903] [ 8940.213794][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8940.214255][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8940.214255][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8940.214255][ T903] ip6_validate_gw+0x3eb/0x790 [ 8940.214255][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8940.214255][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8940.214255][ T903] ip6_route_add+0x1c/0x140 [ 8940.214255][ T903] inet6_rtm_newroute+0x104/0x110 [ 8940.214255][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.214255][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.214255][ T903] netlink_unicast+0x449/0x710 [ 8940.214255][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.214255][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.214255][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.214255][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.214255][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.214255][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8940.214255][ T903] [ 8940.216592][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8940.216592][ T903] netdev_get_by_index+0x5e/0x80 [ 8940.216592][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8940.216592][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8940.216592][ T903] ip6_route_add+0x1c/0x140 [ 8940.216592][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8940.216592][ T903] inet6_addr_add+0x4f8/0xa40 [ 8940.216592][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8940.216592][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.216592][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.216592][ T903] netlink_unicast+0x449/0x710 [ 8940.216592][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.216592][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.216592][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.216592][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.216592][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.216592][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8940.216592][ T903] [ 8940.219052][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8940.219052][ T903] netdev_get_by_index+0x5e/0x80 [ 8940.219052][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8940.219052][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8940.219052][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8940.219052][ T903] ipv6_add_addr+0x411/0x2000 [ 8940.219052][ T903] inet6_addr_add+0x30e/0xa40 [ 8940.219052][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8940.219052][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.219052][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.219052][ T903] netlink_unicast+0x449/0x710 [ 8940.219052][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.219052][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.219052][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.219052][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.219052][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.219052][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8940.219052][ T903] [ 8940.221520][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8940.221520][ T903] netdev_get_by_index+0x5e/0x80 [ 8940.221520][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8940.221520][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8940.221520][ T903] ip6_route_add+0x1c/0x140 [ 8940.221520][ T903] addrconf_add_mroute+0x129/0x180 [ 8940.221520][ T903] addrconf_add_dev+0xe2/0x170 [ 8940.221520][ T903] inet6_addr_add+0x12f/0xa40 [ 8940.221520][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8940.221520][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.221520][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.221520][ T903] netlink_unicast+0x449/0x710 [ 8940.221520][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.221520][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.221520][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.221520][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.221520][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.221520][ T903] [ 8940.224429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8940.224429][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8940.224429][ T903] ipv6_find_idev+0x102/0x170 [ 8940.224429][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8940.224429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.224429][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.224429][ T903] netlink_unicast+0x449/0x710 [ 8940.224429][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.224429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.224429][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.224429][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.224429][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.224429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8940.224429][ T903] [ 8940.226322][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8940.226322][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8940.226322][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8940.226322][ T903] ipv6_find_idev+0x102/0x170 [ 8940.226322][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8940.226322][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8940.226322][ T903] netlink_rcv_skb+0x130/0x360 [ 8940.226322][ T903] netlink_unicast+0x449/0x710 [ 8940.226322][ T903] netlink_sendmsg+0x723/0xbe0 [ 8940.226322][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8940.226322][ T903] ___sys_sendmsg+0xee/0x170 [ 8940.226322][ T903] __sys_sendmsg+0xcd/0x170 [ 8940.226322][ T903] do_syscall_64+0xc6/0x1e0 [ 8940.226322][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8940.226322][ T903] [ 8950.405819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8950.406266][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8950.406266][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8950.406266][ T903] ip6_validate_gw+0x3eb/0x790 [ 8950.406266][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8950.406266][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8950.406266][ T903] ip6_route_add+0x1c/0x140 [ 8950.406266][ T903] inet6_rtm_newroute+0x104/0x110 [ 8950.406266][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.406266][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.406266][ T903] netlink_unicast+0x449/0x710 [ 8950.406266][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.406266][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.406266][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.406266][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.406266][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.406266][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8950.406266][ T903] [ 8950.408524][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8950.408524][ T903] netdev_get_by_index+0x5e/0x80 [ 8950.408524][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8950.408524][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8950.408524][ T903] ip6_route_add+0x1c/0x140 [ 8950.408524][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8950.408524][ T903] inet6_addr_add+0x4f8/0xa40 [ 8950.408524][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8950.408524][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.408524][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.408524][ T903] netlink_unicast+0x449/0x710 [ 8950.408524][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.408524][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.408524][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.408524][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.408524][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.408524][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8950.408524][ T903] [ 8950.410908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8950.410908][ T903] netdev_get_by_index+0x5e/0x80 [ 8950.410908][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8950.410908][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8950.410908][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8950.410908][ T903] ipv6_add_addr+0x411/0x2000 [ 8950.410908][ T903] inet6_addr_add+0x30e/0xa40 [ 8950.410908][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8950.410908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.410908][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.410908][ T903] netlink_unicast+0x449/0x710 [ 8950.410908][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.410908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.410908][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.410908][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.410908][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.410908][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8950.410908][ T903] [ 8950.413350][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8950.413350][ T903] netdev_get_by_index+0x5e/0x80 [ 8950.413350][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8950.413350][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8950.413350][ T903] ip6_route_add+0x1c/0x140 [ 8950.413350][ T903] addrconf_add_mroute+0x129/0x180 [ 8950.413350][ T903] addrconf_add_dev+0xe2/0x170 [ 8950.413350][ T903] inet6_addr_add+0x12f/0xa40 [ 8950.413350][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8950.413350][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.413350][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.413350][ T903] netlink_unicast+0x449/0x710 [ 8950.413350][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.413350][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.413350][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.413350][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.413350][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.413350][ T903] [ 8950.416113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8950.416113][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8950.416113][ T903] ipv6_find_idev+0x102/0x170 [ 8950.416113][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8950.416113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.416113][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.416113][ T903] netlink_unicast+0x449/0x710 [ 8950.416113][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.416113][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.416113][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.416113][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.416113][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.416113][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8950.416113][ T903] [ 8950.419101][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8950.419101][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8950.419101][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8950.419101][ T903] ipv6_find_idev+0x102/0x170 [ 8950.419101][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8950.419101][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8950.419101][ T903] netlink_rcv_skb+0x130/0x360 [ 8950.419101][ T903] netlink_unicast+0x449/0x710 [ 8950.419101][ T903] netlink_sendmsg+0x723/0xbe0 [ 8950.419101][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8950.419101][ T903] ___sys_sendmsg+0xee/0x170 [ 8950.419101][ T903] __sys_sendmsg+0xcd/0x170 [ 8950.419101][ T903] do_syscall_64+0xc6/0x1e0 [ 8950.419101][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8950.419101][ T903] [ 8960.669748][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8960.670190][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8960.670190][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8960.670190][ T903] ip6_validate_gw+0x3eb/0x790 [ 8960.670190][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8960.670190][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8960.670190][ T903] ip6_route_add+0x1c/0x140 [ 8960.670190][ T903] inet6_rtm_newroute+0x104/0x110 [ 8960.670190][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.670190][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.670190][ T903] netlink_unicast+0x449/0x710 [ 8960.670190][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.670190][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.670190][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.670190][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.670190][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.670190][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.670190][ T903] [ 8960.672476][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8960.672476][ T903] netdev_get_by_index+0x5e/0x80 [ 8960.672476][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8960.672476][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8960.672476][ T903] ip6_route_add+0x1c/0x140 [ 8960.672476][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8960.672476][ T903] inet6_addr_add+0x4f8/0xa40 [ 8960.672476][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.672476][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.672476][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.672476][ T903] netlink_unicast+0x449/0x710 [ 8960.672476][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.672476][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.672476][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.672476][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.672476][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.672476][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.672476][ T903] [ 8960.674881][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8960.674881][ T903] netdev_get_by_index+0x5e/0x80 [ 8960.674881][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8960.674881][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8960.674881][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8960.674881][ T903] ipv6_add_addr+0x411/0x2000 [ 8960.674881][ T903] inet6_addr_add+0x30e/0xa40 [ 8960.674881][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.674881][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.674881][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.674881][ T903] netlink_unicast+0x449/0x710 [ 8960.674881][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.674881][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.674881][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.674881][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.674881][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.674881][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.674881][ T903] [ 8960.677283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8960.677283][ T903] netdev_get_by_index+0x5e/0x80 [ 8960.677283][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8960.677283][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8960.677283][ T903] ip6_route_add+0x1c/0x140 [ 8960.677283][ T903] addrconf_add_mroute+0x129/0x180 [ 8960.677283][ T903] addrconf_add_dev+0xe2/0x170 [ 8960.677283][ T903] inet6_addr_add+0x12f/0xa40 [ 8960.677283][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.677283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.677283][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.677283][ T903] netlink_unicast+0x449/0x710 [ 8960.677283][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.677283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.677283][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.677283][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.677283][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.677283][ T903] [ 8960.679666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8960.679666][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8960.679666][ T903] ipv6_find_idev+0x102/0x170 [ 8960.679666][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8960.679666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.679666][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.679666][ T903] netlink_unicast+0x449/0x710 [ 8960.679666][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.679666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.679666][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.679666][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.679666][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.679666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.679666][ T903] [ 8960.681543][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8960.681543][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8960.681543][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8960.681543][ T903] ipv6_find_idev+0x102/0x170 [ 8960.681543][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8960.681543][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.681543][ T903] netlink_rcv_skb+0x130/0x360 [ 8960.681543][ T903] netlink_unicast+0x449/0x710 [ 8960.681543][ T903] netlink_sendmsg+0x723/0xbe0 [ 8960.681543][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8960.681543][ T903] ___sys_sendmsg+0xee/0x170 [ 8960.681543][ T903] __sys_sendmsg+0xcd/0x170 [ 8960.681543][ T903] do_syscall_64+0xc6/0x1e0 [ 8960.681543][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.681543][ T903] [ 8970.781893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8970.782364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8970.782364][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8970.782364][ T903] ip6_validate_gw+0x3eb/0x790 [ 8970.782364][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8970.782364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8970.782364][ T903] ip6_route_add+0x1c/0x140 [ 8970.782364][ T903] inet6_rtm_newroute+0x104/0x110 [ 8970.782364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.782364][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.782364][ T903] netlink_unicast+0x449/0x710 [ 8970.782364][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.782364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.782364][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.782364][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.782364][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.782364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.782364][ T903] [ 8970.784477][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8970.784477][ T903] netdev_get_by_index+0x5e/0x80 [ 8970.784477][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8970.784477][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8970.784477][ T903] ip6_route_add+0x1c/0x140 [ 8970.784477][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8970.784477][ T903] inet6_addr_add+0x4f8/0xa40 [ 8970.784477][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.784477][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.784477][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.784477][ T903] netlink_unicast+0x449/0x710 [ 8970.784477][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.784477][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.784477][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.784477][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.784477][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.784477][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.784477][ T903] [ 8970.786706][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8970.786706][ T903] netdev_get_by_index+0x5e/0x80 [ 8970.786706][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8970.786706][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8970.786706][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8970.786706][ T903] ipv6_add_addr+0x411/0x2000 [ 8970.786706][ T903] inet6_addr_add+0x30e/0xa40 [ 8970.786706][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.786706][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.786706][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.786706][ T903] netlink_unicast+0x449/0x710 [ 8970.786706][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.786706][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.786706][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.786706][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.786706][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.786706][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.786706][ T903] [ 8970.788933][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8970.788933][ T903] netdev_get_by_index+0x5e/0x80 [ 8970.788933][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8970.788933][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8970.788933][ T903] ip6_route_add+0x1c/0x140 [ 8970.788933][ T903] addrconf_add_mroute+0x129/0x180 [ 8970.788933][ T903] addrconf_add_dev+0xe2/0x170 [ 8970.788933][ T903] inet6_addr_add+0x12f/0xa40 [ 8970.788933][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.788933][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.788933][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.788933][ T903] netlink_unicast+0x449/0x710 [ 8970.788933][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.788933][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.788933][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.788933][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.788933][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.788933][ T903] [ 8970.791143][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8970.791143][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8970.791143][ T903] ipv6_find_idev+0x102/0x170 [ 8970.791143][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8970.791143][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.791143][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.791143][ T903] netlink_unicast+0x449/0x710 [ 8970.791143][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.791143][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.791143][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.791143][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.791143][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.791143][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.791143][ T903] [ 8970.793252][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8970.793252][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8970.793252][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8970.793252][ T903] ipv6_find_idev+0x102/0x170 [ 8970.793252][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8970.793252][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.793252][ T903] netlink_rcv_skb+0x130/0x360 [ 8970.793252][ T903] netlink_unicast+0x449/0x710 [ 8970.793252][ T903] netlink_sendmsg+0x723/0xbe0 [ 8970.793252][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8970.793252][ T903] ___sys_sendmsg+0xee/0x170 [ 8970.793252][ T903] __sys_sendmsg+0xcd/0x170 [ 8970.793252][ T903] do_syscall_64+0xc6/0x1e0 [ 8970.793252][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.793252][ T903] [ 8981.037966][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8981.038455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8981.038455][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8981.038455][ T903] ip6_validate_gw+0x3eb/0x790 [ 8981.038455][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8981.038455][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8981.038455][ T903] ip6_route_add+0x1c/0x140 [ 8981.038455][ T903] inet6_rtm_newroute+0x104/0x110 [ 8981.038455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.038455][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.038455][ T903] netlink_unicast+0x449/0x710 [ 8981.038455][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.038455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.038455][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.038455][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.038455][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.038455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8981.038455][ T903] [ 8981.040594][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8981.040594][ T903] netdev_get_by_index+0x5e/0x80 [ 8981.040594][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8981.040594][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8981.040594][ T903] ip6_route_add+0x1c/0x140 [ 8981.040594][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8981.040594][ T903] inet6_addr_add+0x4f8/0xa40 [ 8981.040594][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8981.040594][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.040594][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.040594][ T903] netlink_unicast+0x449/0x710 [ 8981.040594][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.040594][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.040594][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.040594][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.040594][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.040594][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8981.040594][ T903] [ 8981.042829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8981.042829][ T903] netdev_get_by_index+0x5e/0x80 [ 8981.042829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8981.042829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8981.042829][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8981.042829][ T903] ipv6_add_addr+0x411/0x2000 [ 8981.042829][ T903] inet6_addr_add+0x30e/0xa40 [ 8981.042829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8981.042829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.042829][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.042829][ T903] netlink_unicast+0x449/0x710 [ 8981.042829][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.042829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.042829][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.042829][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.042829][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.042829][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8981.042829][ T903] [ 8981.045051][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8981.045051][ T903] netdev_get_by_index+0x5e/0x80 [ 8981.045051][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8981.045051][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8981.045051][ T903] ip6_route_add+0x1c/0x140 [ 8981.045051][ T903] addrconf_add_mroute+0x129/0x180 [ 8981.045051][ T903] addrconf_add_dev+0xe2/0x170 [ 8981.045051][ T903] inet6_addr_add+0x12f/0xa40 [ 8981.045051][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8981.045051][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.045051][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.045051][ T903] netlink_unicast+0x449/0x710 [ 8981.045051][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.045051][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.045051][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.045051][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.045051][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.045051][ T903] [ 8981.047241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8981.047241][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8981.047241][ T903] ipv6_find_idev+0x102/0x170 [ 8981.047241][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8981.047241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.047241][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.047241][ T903] netlink_unicast+0x449/0x710 [ 8981.047241][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.047241][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.047241][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.047241][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.047241][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.047241][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8981.047241][ T903] [ 8981.048952][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8981.048952][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8981.048952][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8981.048952][ T903] ipv6_find_idev+0x102/0x170 [ 8981.048952][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8981.048952][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8981.048952][ T903] netlink_rcv_skb+0x130/0x360 [ 8981.048952][ T903] netlink_unicast+0x449/0x710 [ 8981.048952][ T903] netlink_sendmsg+0x723/0xbe0 [ 8981.048952][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8981.048952][ T903] ___sys_sendmsg+0xee/0x170 [ 8981.048952][ T903] __sys_sendmsg+0xcd/0x170 [ 8981.048952][ T903] do_syscall_64+0xc6/0x1e0 [ 8981.048952][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8981.048952][ T903] [ 8991.293835][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8991.294318][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 8991.294318][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 8991.294318][ T903] ip6_validate_gw+0x3eb/0x790 [ 8991.294318][ T903] fib6_nh_init+0xa5b/0x15b0 [ 8991.294318][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8991.294318][ T903] ip6_route_add+0x1c/0x140 [ 8991.294318][ T903] inet6_rtm_newroute+0x104/0x110 [ 8991.294318][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.294318][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.294318][ T903] netlink_unicast+0x449/0x710 [ 8991.294318][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.294318][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.294318][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.294318][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.294318][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.294318][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8991.294318][ T903] [ 8991.296656][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8991.296656][ T903] netdev_get_by_index+0x5e/0x80 [ 8991.296656][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8991.296656][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8991.296656][ T903] ip6_route_add+0x1c/0x140 [ 8991.296656][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 8991.296656][ T903] inet6_addr_add+0x4f8/0xa40 [ 8991.296656][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8991.296656][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.296656][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.296656][ T903] netlink_unicast+0x449/0x710 [ 8991.296656][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.296656][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.296656][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.296656][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.296656][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.296656][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8991.296656][ T903] [ 8991.299120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8991.299120][ T903] netdev_get_by_index+0x5e/0x80 [ 8991.299120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8991.299120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8991.299120][ T903] addrconf_f6i_alloc+0x244/0x410 [ 8991.299120][ T903] ipv6_add_addr+0x411/0x2000 [ 8991.299120][ T903] inet6_addr_add+0x30e/0xa40 [ 8991.299120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8991.299120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.299120][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.299120][ T903] netlink_unicast+0x449/0x710 [ 8991.299120][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.299120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.299120][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.299120][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.299120][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.299120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8991.299120][ T903] [ 8991.301657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8991.301657][ T903] netdev_get_by_index+0x5e/0x80 [ 8991.301657][ T903] fib6_nh_init+0x3d8/0x15b0 [ 8991.301657][ T903] ip6_route_info_create+0xf18/0x17d0 [ 8991.301657][ T903] ip6_route_add+0x1c/0x140 [ 8991.301657][ T903] addrconf_add_mroute+0x129/0x180 [ 8991.301657][ T903] addrconf_add_dev+0xe2/0x170 [ 8991.301657][ T903] inet6_addr_add+0x12f/0xa40 [ 8991.301657][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 8991.301657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.301657][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.301657][ T903] netlink_unicast+0x449/0x710 [ 8991.301657][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.301657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.301657][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.301657][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.301657][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.301657][ T903] [ 8991.304049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8991.304049][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 8991.304049][ T903] ipv6_find_idev+0x102/0x170 [ 8991.304049][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8991.304049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.304049][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.304049][ T903] netlink_unicast+0x449/0x710 [ 8991.304049][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.304049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.304049][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.304049][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.304049][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.304049][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8991.304049][ T903] [ 8991.305923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 8991.305923][ T903] neigh_parms_alloc+0x1e5/0x510 [ 8991.305923][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 8991.305923][ T903] ipv6_find_idev+0x102/0x170 [ 8991.305923][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 8991.305923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8991.305923][ T903] netlink_rcv_skb+0x130/0x360 [ 8991.305923][ T903] netlink_unicast+0x449/0x710 [ 8991.305923][ T903] netlink_sendmsg+0x723/0xbe0 [ 8991.305923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 8991.305923][ T903] ___sys_sendmsg+0xee/0x170 [ 8991.305923][ T903] __sys_sendmsg+0xcd/0x170 [ 8991.305923][ T903] do_syscall_64+0xc6/0x1e0 [ 8991.305923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8991.305923][ T903] [ 9001.549755][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9001.550286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9001.550286][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9001.550286][ T903] ip6_validate_gw+0x3eb/0x790 [ 9001.550286][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9001.550286][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9001.550286][ T903] ip6_route_add+0x1c/0x140 [ 9001.550286][ T903] inet6_rtm_newroute+0x104/0x110 [ 9001.550286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.550286][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.550286][ T903] netlink_unicast+0x449/0x710 [ 9001.550286][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.550286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.550286][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.550286][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.550286][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.550286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9001.550286][ T903] [ 9001.552903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9001.552903][ T903] netdev_get_by_index+0x5e/0x80 [ 9001.552903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9001.552903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9001.552903][ T903] ip6_route_add+0x1c/0x140 [ 9001.552903][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9001.552903][ T903] inet6_addr_add+0x4f8/0xa40 [ 9001.552903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9001.552903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.552903][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.552903][ T903] netlink_unicast+0x449/0x710 [ 9001.552903][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.552903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.552903][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.552903][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.552903][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.552903][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9001.552903][ T903] [ 9001.555121][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9001.555121][ T903] netdev_get_by_index+0x5e/0x80 [ 9001.555121][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9001.555121][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9001.555121][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9001.555121][ T903] ipv6_add_addr+0x411/0x2000 [ 9001.555121][ T903] inet6_addr_add+0x30e/0xa40 [ 9001.555121][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9001.555121][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.555121][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.555121][ T903] netlink_unicast+0x449/0x710 [ 9001.555121][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.555121][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.555121][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.555121][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.555121][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.555121][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9001.555121][ T903] [ 9001.557329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9001.557329][ T903] netdev_get_by_index+0x5e/0x80 [ 9001.557329][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9001.557329][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9001.557329][ T903] ip6_route_add+0x1c/0x140 [ 9001.557329][ T903] addrconf_add_mroute+0x129/0x180 [ 9001.557329][ T903] addrconf_add_dev+0xe2/0x170 [ 9001.557329][ T903] inet6_addr_add+0x12f/0xa40 [ 9001.557329][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9001.557329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.557329][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.557329][ T903] netlink_unicast+0x449/0x710 [ 9001.557329][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.557329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.557329][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.557329][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.557329][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.557329][ T903] [ 9001.559506][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9001.559506][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9001.559506][ T903] ipv6_find_idev+0x102/0x170 [ 9001.559506][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9001.559506][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.559506][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.559506][ T903] netlink_unicast+0x449/0x710 [ 9001.559506][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.559506][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.559506][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.559506][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.559506][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.559506][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9001.559506][ T903] [ 9001.561625][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9001.561625][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9001.561625][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9001.561625][ T903] ipv6_find_idev+0x102/0x170 [ 9001.561625][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9001.561625][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9001.561625][ T903] netlink_rcv_skb+0x130/0x360 [ 9001.561625][ T903] netlink_unicast+0x449/0x710 [ 9001.561625][ T903] netlink_sendmsg+0x723/0xbe0 [ 9001.561625][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9001.561625][ T903] ___sys_sendmsg+0xee/0x170 [ 9001.561625][ T903] __sys_sendmsg+0xcd/0x170 [ 9001.561625][ T903] do_syscall_64+0xc6/0x1e0 [ 9001.561625][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9001.561625][ T903] [ 9011.797862][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9011.798710][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9011.798710][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9011.798710][ T903] ip6_validate_gw+0x3eb/0x790 [ 9011.798710][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9011.798710][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9011.798710][ T903] ip6_route_add+0x1c/0x140 [ 9011.798710][ T903] inet6_rtm_newroute+0x104/0x110 [ 9011.798710][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.798710][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.798710][ T903] netlink_unicast+0x449/0x710 [ 9011.798710][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.798710][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.798710][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.798710][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.798710][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.798710][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.798710][ T903] [ 9011.801015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9011.801015][ T903] netdev_get_by_index+0x5e/0x80 [ 9011.801015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9011.801015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9011.801015][ T903] ip6_route_add+0x1c/0x140 [ 9011.801015][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9011.801015][ T903] inet6_addr_add+0x4f8/0xa40 [ 9011.801015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.801015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.801015][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.801015][ T903] netlink_unicast+0x449/0x710 [ 9011.801015][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.801015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.801015][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.801015][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.801015][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.801015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.801015][ T903] [ 9011.803769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9011.803769][ T903] netdev_get_by_index+0x5e/0x80 [ 9011.803769][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9011.803769][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9011.803769][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9011.803769][ T903] ipv6_add_addr+0x411/0x2000 [ 9011.803769][ T903] inet6_addr_add+0x30e/0xa40 [ 9011.803769][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.803769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.803769][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.803769][ T903] netlink_unicast+0x449/0x710 [ 9011.803769][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.803769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.803769][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.803769][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.803769][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.803769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.803769][ T903] [ 9011.806159][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9011.806159][ T903] netdev_get_by_index+0x5e/0x80 [ 9011.806159][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9011.806159][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9011.806159][ T903] ip6_route_add+0x1c/0x140 [ 9011.806159][ T903] addrconf_add_mroute+0x129/0x180 [ 9011.806159][ T903] addrconf_add_dev+0xe2/0x170 [ 9011.806159][ T903] inet6_addr_add+0x12f/0xa40 [ 9011.806159][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.806159][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.806159][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.806159][ T903] netlink_unicast+0x449/0x710 [ 9011.806159][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.806159][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.806159][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.806159][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.806159][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.806159][ T903] [ 9011.808514][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9011.808514][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9011.808514][ T903] ipv6_find_idev+0x102/0x170 [ 9011.808514][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9011.808514][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.808514][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.808514][ T903] netlink_unicast+0x449/0x710 [ 9011.808514][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.808514][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.808514][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.808514][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.808514][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.808514][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.808514][ T903] [ 9011.810351][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9011.810351][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9011.810351][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9011.810351][ T903] ipv6_find_idev+0x102/0x170 [ 9011.810351][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9011.810351][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.810351][ T903] netlink_rcv_skb+0x130/0x360 [ 9011.810351][ T903] netlink_unicast+0x449/0x710 [ 9011.810351][ T903] netlink_sendmsg+0x723/0xbe0 [ 9011.810351][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9011.810351][ T903] ___sys_sendmsg+0xee/0x170 [ 9011.810351][ T903] __sys_sendmsg+0xcd/0x170 [ 9011.810351][ T903] do_syscall_64+0xc6/0x1e0 [ 9011.810351][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.810351][ T903] [ 9022.053903][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9022.054700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9022.054700][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9022.054700][ T903] ip6_validate_gw+0x3eb/0x790 [ 9022.054700][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9022.054700][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9022.054700][ T903] ip6_route_add+0x1c/0x140 [ 9022.054700][ T903] inet6_rtm_newroute+0x104/0x110 [ 9022.054700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.054700][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.054700][ T903] netlink_unicast+0x449/0x710 [ 9022.054700][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.054700][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.054700][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.054700][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.054700][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.054700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9022.054700][ T903] [ 9022.056983][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9022.056983][ T903] netdev_get_by_index+0x5e/0x80 [ 9022.056983][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9022.056983][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9022.056983][ T903] ip6_route_add+0x1c/0x140 [ 9022.056983][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9022.056983][ T903] inet6_addr_add+0x4f8/0xa40 [ 9022.056983][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9022.056983][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.056983][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.056983][ T903] netlink_unicast+0x449/0x710 [ 9022.056983][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.056983][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.056983][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.056983][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.056983][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.056983][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9022.056983][ T903] [ 9022.059380][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9022.059380][ T903] netdev_get_by_index+0x5e/0x80 [ 9022.059380][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9022.059380][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9022.059380][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9022.059380][ T903] ipv6_add_addr+0x411/0x2000 [ 9022.059380][ T903] inet6_addr_add+0x30e/0xa40 [ 9022.059380][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9022.059380][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.059380][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.059380][ T903] netlink_unicast+0x449/0x710 [ 9022.059380][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.059380][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.059380][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.059380][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.059380][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.059380][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9022.059380][ T903] [ 9022.061780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9022.061780][ T903] netdev_get_by_index+0x5e/0x80 [ 9022.061780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9022.061780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9022.061780][ T903] ip6_route_add+0x1c/0x140 [ 9022.061780][ T903] addrconf_add_mroute+0x129/0x180 [ 9022.061780][ T903] addrconf_add_dev+0xe2/0x170 [ 9022.061780][ T903] inet6_addr_add+0x12f/0xa40 [ 9022.061780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9022.061780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.061780][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.061780][ T903] netlink_unicast+0x449/0x710 [ 9022.061780][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.061780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.061780][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.061780][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.061780][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.061780][ T903] [ 9022.064133][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9022.064133][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9022.064133][ T903] ipv6_find_idev+0x102/0x170 [ 9022.064133][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9022.064133][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.064133][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.064133][ T903] netlink_unicast+0x449/0x710 [ 9022.064133][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.064133][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.064133][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.064133][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.064133][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.064133][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9022.064133][ T903] [ 9022.065987][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9022.065987][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9022.065987][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9022.065987][ T903] ipv6_find_idev+0x102/0x170 [ 9022.065987][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9022.065987][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9022.065987][ T903] netlink_rcv_skb+0x130/0x360 [ 9022.065987][ T903] netlink_unicast+0x449/0x710 [ 9022.065987][ T903] netlink_sendmsg+0x723/0xbe0 [ 9022.065987][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9022.065987][ T903] ___sys_sendmsg+0xee/0x170 [ 9022.065987][ T903] __sys_sendmsg+0xcd/0x170 [ 9022.065987][ T903] do_syscall_64+0xc6/0x1e0 [ 9022.065987][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9022.065987][ T903] [ 9032.309917][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9032.310436][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9032.310436][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9032.310436][ T903] ip6_validate_gw+0x3eb/0x790 [ 9032.310436][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9032.310436][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9032.310436][ T903] ip6_route_add+0x1c/0x140 [ 9032.310436][ T903] inet6_rtm_newroute+0x104/0x110 [ 9032.310436][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.310436][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.310436][ T903] netlink_unicast+0x449/0x710 [ 9032.310436][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.310436][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.310436][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.310436][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.310436][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.310436][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9032.310436][ T903] [ 9032.312780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9032.312780][ T903] netdev_get_by_index+0x5e/0x80 [ 9032.312780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9032.312780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9032.312780][ T903] ip6_route_add+0x1c/0x140 [ 9032.312780][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9032.312780][ T903] inet6_addr_add+0x4f8/0xa40 [ 9032.312780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9032.312780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.312780][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.312780][ T903] netlink_unicast+0x449/0x710 [ 9032.312780][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.312780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.312780][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.312780][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.312780][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.312780][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9032.312780][ T903] [ 9032.315615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9032.315615][ T903] netdev_get_by_index+0x5e/0x80 [ 9032.315615][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9032.315615][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9032.315615][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9032.315615][ T903] ipv6_add_addr+0x411/0x2000 [ 9032.315615][ T903] inet6_addr_add+0x30e/0xa40 [ 9032.315615][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9032.315615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.315615][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.315615][ T903] netlink_unicast+0x449/0x710 [ 9032.315615][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.315615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.315615][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.315615][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.315615][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.315615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9032.315615][ T903] [ 9032.317967][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9032.317967][ T903] netdev_get_by_index+0x5e/0x80 [ 9032.317967][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9032.317967][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9032.317967][ T903] ip6_route_add+0x1c/0x140 [ 9032.317967][ T903] addrconf_add_mroute+0x129/0x180 [ 9032.317967][ T903] addrconf_add_dev+0xe2/0x170 [ 9032.317967][ T903] inet6_addr_add+0x12f/0xa40 [ 9032.317967][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9032.317967][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.317967][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.317967][ T903] netlink_unicast+0x449/0x710 [ 9032.317967][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.317967][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.317967][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.317967][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.317967][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.317967][ T903] [ 9032.320232][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9032.320232][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9032.320232][ T903] ipv6_find_idev+0x102/0x170 [ 9032.320232][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9032.320232][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.320232][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.320232][ T903] netlink_unicast+0x449/0x710 [ 9032.320232][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.320232][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.320232][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.320232][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.320232][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.320232][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9032.320232][ T903] [ 9032.322098][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9032.322098][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9032.322098][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9032.322098][ T903] ipv6_find_idev+0x102/0x170 [ 9032.322098][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9032.322098][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9032.322098][ T903] netlink_rcv_skb+0x130/0x360 [ 9032.322098][ T903] netlink_unicast+0x449/0x710 [ 9032.322098][ T903] netlink_sendmsg+0x723/0xbe0 [ 9032.322098][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9032.322098][ T903] ___sys_sendmsg+0xee/0x170 [ 9032.322098][ T903] __sys_sendmsg+0xcd/0x170 [ 9032.322098][ T903] do_syscall_64+0xc6/0x1e0 [ 9032.322098][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9032.322098][ T903] [ 9042.565870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9042.566750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9042.566750][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9042.566750][ T903] ip6_validate_gw+0x3eb/0x790 [ 9042.566750][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9042.566750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9042.566750][ T903] ip6_route_add+0x1c/0x140 [ 9042.566750][ T903] inet6_rtm_newroute+0x104/0x110 [ 9042.566750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.566750][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.566750][ T903] netlink_unicast+0x449/0x710 [ 9042.566750][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.566750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.566750][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.566750][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.566750][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.566750][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9042.566750][ T903] [ 9042.568938][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9042.568938][ T903] netdev_get_by_index+0x5e/0x80 [ 9042.568938][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9042.568938][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9042.568938][ T903] ip6_route_add+0x1c/0x140 [ 9042.568938][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9042.568938][ T903] inet6_addr_add+0x4f8/0xa40 [ 9042.568938][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9042.568938][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.568938][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.568938][ T903] netlink_unicast+0x449/0x710 [ 9042.568938][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.568938][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.568938][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.568938][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.568938][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.568938][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9042.568938][ T903] [ 9042.571343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9042.571343][ T903] netdev_get_by_index+0x5e/0x80 [ 9042.571343][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9042.571343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9042.571343][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9042.571343][ T903] ipv6_add_addr+0x411/0x2000 [ 9042.571343][ T903] inet6_addr_add+0x30e/0xa40 [ 9042.571343][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9042.571343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.571343][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.571343][ T903] netlink_unicast+0x449/0x710 [ 9042.571343][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.571343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.571343][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.571343][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.571343][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.571343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9042.571343][ T903] [ 9042.573698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9042.573698][ T903] netdev_get_by_index+0x5e/0x80 [ 9042.573698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9042.573698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9042.573698][ T903] ip6_route_add+0x1c/0x140 [ 9042.573698][ T903] addrconf_add_mroute+0x129/0x180 [ 9042.573698][ T903] addrconf_add_dev+0xe2/0x170 [ 9042.573698][ T903] inet6_addr_add+0x12f/0xa40 [ 9042.573698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9042.573698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.573698][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.573698][ T903] netlink_unicast+0x449/0x710 [ 9042.573698][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.573698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.573698][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.573698][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.573698][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.573698][ T903] [ 9042.576011][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9042.576011][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9042.576011][ T903] ipv6_find_idev+0x102/0x170 [ 9042.576011][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9042.576011][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.576011][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.576011][ T903] netlink_unicast+0x449/0x710 [ 9042.576011][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.576011][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.576011][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.576011][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.576011][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.576011][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9042.576011][ T903] [ 9042.577843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9042.577843][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9042.577843][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9042.577843][ T903] ipv6_find_idev+0x102/0x170 [ 9042.577843][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9042.577843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9042.577843][ T903] netlink_rcv_skb+0x130/0x360 [ 9042.577843][ T903] netlink_unicast+0x449/0x710 [ 9042.577843][ T903] netlink_sendmsg+0x723/0xbe0 [ 9042.577843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9042.577843][ T903] ___sys_sendmsg+0xee/0x170 [ 9042.577843][ T903] __sys_sendmsg+0xcd/0x170 [ 9042.577843][ T903] do_syscall_64+0xc6/0x1e0 [ 9042.577843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9042.577843][ T903] [ 9052.821867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9052.822645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9052.822645][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9052.822645][ T903] ip6_validate_gw+0x3eb/0x790 [ 9052.822645][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9052.822645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9052.822645][ T903] ip6_route_add+0x1c/0x140 [ 9052.822645][ T903] inet6_rtm_newroute+0x104/0x110 [ 9052.822645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.822645][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.822645][ T903] netlink_unicast+0x449/0x710 [ 9052.822645][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.822645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.822645][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.822645][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.822645][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.822645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9052.822645][ T903] [ 9052.824846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9052.824846][ T903] netdev_get_by_index+0x5e/0x80 [ 9052.824846][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9052.824846][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9052.824846][ T903] ip6_route_add+0x1c/0x140 [ 9052.824846][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9052.824846][ T903] inet6_addr_add+0x4f8/0xa40 [ 9052.824846][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9052.824846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.824846][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.824846][ T903] netlink_unicast+0x449/0x710 [ 9052.824846][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.824846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.824846][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.824846][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.824846][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.824846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9052.824846][ T903] [ 9052.827228][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9052.827228][ T903] netdev_get_by_index+0x5e/0x80 [ 9052.827228][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9052.827228][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9052.827228][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9052.827228][ T903] ipv6_add_addr+0x411/0x2000 [ 9052.827228][ T903] inet6_addr_add+0x30e/0xa40 [ 9052.827228][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9052.827228][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.827228][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.827228][ T903] netlink_unicast+0x449/0x710 [ 9052.827228][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.827228][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.827228][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.827228][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.827228][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.827228][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9052.827228][ T903] [ 9052.829585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9052.829585][ T903] netdev_get_by_index+0x5e/0x80 [ 9052.829585][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9052.829585][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9052.829585][ T903] ip6_route_add+0x1c/0x140 [ 9052.829585][ T903] addrconf_add_mroute+0x129/0x180 [ 9052.829585][ T903] addrconf_add_dev+0xe2/0x170 [ 9052.829585][ T903] inet6_addr_add+0x12f/0xa40 [ 9052.829585][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9052.829585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.829585][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.829585][ T903] netlink_unicast+0x449/0x710 [ 9052.829585][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.829585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.829585][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.829585][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.829585][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.829585][ T903] [ 9052.831907][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9052.831907][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9052.831907][ T903] ipv6_find_idev+0x102/0x170 [ 9052.831907][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9052.831907][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.831907][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.831907][ T903] netlink_unicast+0x449/0x710 [ 9052.831907][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.831907][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.831907][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.831907][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.831907][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.831907][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9052.831907][ T903] [ 9052.833734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9052.833734][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9052.833734][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9052.833734][ T903] ipv6_find_idev+0x102/0x170 [ 9052.833734][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9052.833734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9052.833734][ T903] netlink_rcv_skb+0x130/0x360 [ 9052.833734][ T903] netlink_unicast+0x449/0x710 [ 9052.833734][ T903] netlink_sendmsg+0x723/0xbe0 [ 9052.833734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9052.833734][ T903] ___sys_sendmsg+0xee/0x170 [ 9052.833734][ T903] __sys_sendmsg+0xcd/0x170 [ 9052.833734][ T903] do_syscall_64+0xc6/0x1e0 [ 9052.833734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9052.833734][ T903] [ 9063.077874][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9063.078846][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9063.078846][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9063.078846][ T903] ip6_validate_gw+0x3eb/0x790 [ 9063.078846][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9063.078846][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9063.078846][ T903] ip6_route_add+0x1c/0x140 [ 9063.078846][ T903] inet6_rtm_newroute+0x104/0x110 [ 9063.078846][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.078846][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.078846][ T903] netlink_unicast+0x449/0x710 [ 9063.078846][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.078846][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.078846][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.078846][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.078846][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.078846][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9063.078846][ T903] [ 9063.081068][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9063.081068][ T903] netdev_get_by_index+0x5e/0x80 [ 9063.081068][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9063.081068][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9063.081068][ T903] ip6_route_add+0x1c/0x140 [ 9063.081068][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9063.081068][ T903] inet6_addr_add+0x4f8/0xa40 [ 9063.081068][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9063.081068][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.081068][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.081068][ T903] netlink_unicast+0x449/0x710 [ 9063.081068][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.081068][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.081068][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.081068][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.081068][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.081068][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9063.081068][ T903] [ 9063.083413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9063.083413][ T903] netdev_get_by_index+0x5e/0x80 [ 9063.083413][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9063.083413][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9063.083413][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9063.083413][ T903] ipv6_add_addr+0x411/0x2000 [ 9063.083413][ T903] inet6_addr_add+0x30e/0xa40 [ 9063.083413][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9063.083413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.083413][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.083413][ T903] netlink_unicast+0x449/0x710 [ 9063.083413][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.083413][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.083413][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.083413][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.083413][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.083413][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9063.083413][ T903] [ 9063.085727][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9063.085727][ T903] netdev_get_by_index+0x5e/0x80 [ 9063.085727][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9063.085727][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9063.085727][ T903] ip6_route_add+0x1c/0x140 [ 9063.085727][ T903] addrconf_add_mroute+0x129/0x180 [ 9063.085727][ T903] addrconf_add_dev+0xe2/0x170 [ 9063.085727][ T903] inet6_addr_add+0x12f/0xa40 [ 9063.085727][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9063.085727][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.085727][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.085727][ T903] netlink_unicast+0x449/0x710 [ 9063.085727][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.085727][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.085727][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.085727][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.085727][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.085727][ T903] [ 9063.088024][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9063.088024][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9063.088024][ T903] ipv6_find_idev+0x102/0x170 [ 9063.088024][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9063.088024][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.088024][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.088024][ T903] netlink_unicast+0x449/0x710 [ 9063.088024][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.088024][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.088024][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.088024][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.088024][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.088024][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9063.088024][ T903] [ 9063.089901][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9063.089901][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9063.089901][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9063.089901][ T903] ipv6_find_idev+0x102/0x170 [ 9063.089901][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9063.089901][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9063.089901][ T903] netlink_rcv_skb+0x130/0x360 [ 9063.089901][ T903] netlink_unicast+0x449/0x710 [ 9063.089901][ T903] netlink_sendmsg+0x723/0xbe0 [ 9063.089901][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9063.089901][ T903] ___sys_sendmsg+0xee/0x170 [ 9063.089901][ T903] __sys_sendmsg+0xcd/0x170 [ 9063.089901][ T903] do_syscall_64+0xc6/0x1e0 [ 9063.089901][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9063.089901][ T903] [ 9073.277873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9073.278536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9073.278536][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9073.278536][ T903] ip6_validate_gw+0x3eb/0x790 [ 9073.278536][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9073.278536][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9073.278536][ T903] ip6_route_add+0x1c/0x140 [ 9073.278536][ T903] inet6_rtm_newroute+0x104/0x110 [ 9073.278536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.278536][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.278536][ T903] netlink_unicast+0x449/0x710 [ 9073.278536][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.278536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.278536][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.278536][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.278536][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.278536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9073.278536][ T903] [ 9073.280785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9073.280785][ T903] netdev_get_by_index+0x5e/0x80 [ 9073.280785][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9073.280785][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9073.280785][ T903] ip6_route_add+0x1c/0x140 [ 9073.280785][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9073.280785][ T903] inet6_addr_add+0x4f8/0xa40 [ 9073.280785][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9073.280785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.280785][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.280785][ T903] netlink_unicast+0x449/0x710 [ 9073.280785][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.280785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.280785][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.280785][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.280785][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.280785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9073.280785][ T903] [ 9073.283200][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9073.283200][ T903] netdev_get_by_index+0x5e/0x80 [ 9073.283200][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9073.283200][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9073.283200][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9073.283200][ T903] ipv6_add_addr+0x411/0x2000 [ 9073.283200][ T903] inet6_addr_add+0x30e/0xa40 [ 9073.283200][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9073.283200][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.283200][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.283200][ T903] netlink_unicast+0x449/0x710 [ 9073.283200][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.283200][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.283200][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.283200][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.283200][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.283200][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9073.283200][ T903] [ 9073.285645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9073.285645][ T903] netdev_get_by_index+0x5e/0x80 [ 9073.285645][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9073.285645][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9073.285645][ T903] ip6_route_add+0x1c/0x140 [ 9073.285645][ T903] addrconf_add_mroute+0x129/0x180 [ 9073.285645][ T903] addrconf_add_dev+0xe2/0x170 [ 9073.285645][ T903] inet6_addr_add+0x12f/0xa40 [ 9073.285645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9073.285645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.285645][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.285645][ T903] netlink_unicast+0x449/0x710 [ 9073.285645][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.285645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.285645][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.285645][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.285645][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.285645][ T903] [ 9073.288006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9073.288006][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9073.288006][ T903] ipv6_find_idev+0x102/0x170 [ 9073.288006][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9073.288006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.288006][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.288006][ T903] netlink_unicast+0x449/0x710 [ 9073.288006][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.288006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.288006][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.288006][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.288006][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.288006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9073.288006][ T903] [ 9073.289865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9073.289865][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9073.289865][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9073.289865][ T903] ipv6_find_idev+0x102/0x170 [ 9073.289865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9073.289865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9073.289865][ T903] netlink_rcv_skb+0x130/0x360 [ 9073.289865][ T903] netlink_unicast+0x449/0x710 [ 9073.289865][ T903] netlink_sendmsg+0x723/0xbe0 [ 9073.289865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9073.289865][ T903] ___sys_sendmsg+0xee/0x170 [ 9073.289865][ T903] __sys_sendmsg+0xcd/0x170 [ 9073.289865][ T903] do_syscall_64+0xc6/0x1e0 [ 9073.289865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9073.289865][ T903] [ 9083.533870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9083.534752][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9083.534752][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9083.534752][ T903] ip6_validate_gw+0x3eb/0x790 [ 9083.534752][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9083.534752][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9083.534752][ T903] ip6_route_add+0x1c/0x140 [ 9083.534752][ T903] inet6_rtm_newroute+0x104/0x110 [ 9083.534752][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.534752][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.534752][ T903] netlink_unicast+0x449/0x710 [ 9083.534752][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.534752][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.534752][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.534752][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.534752][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.534752][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9083.534752][ T903] [ 9083.537000][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9083.537000][ T903] netdev_get_by_index+0x5e/0x80 [ 9083.537000][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9083.537000][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9083.537000][ T903] ip6_route_add+0x1c/0x140 [ 9083.537000][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9083.537000][ T903] inet6_addr_add+0x4f8/0xa40 [ 9083.537000][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9083.537000][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.537000][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.537000][ T903] netlink_unicast+0x449/0x710 [ 9083.537000][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.537000][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.537000][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.537000][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.537000][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.537000][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9083.537000][ T903] [ 9083.539304][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9083.539304][ T903] netdev_get_by_index+0x5e/0x80 [ 9083.539304][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9083.539304][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9083.539304][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9083.539304][ T903] ipv6_add_addr+0x411/0x2000 [ 9083.539304][ T903] inet6_addr_add+0x30e/0xa40 [ 9083.539304][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9083.539304][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.539304][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.539304][ T903] netlink_unicast+0x449/0x710 [ 9083.539304][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.539304][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.539304][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.539304][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.539304][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.539304][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9083.539304][ T903] [ 9083.541676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9083.541676][ T903] netdev_get_by_index+0x5e/0x80 [ 9083.541676][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9083.541676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9083.541676][ T903] ip6_route_add+0x1c/0x140 [ 9083.541676][ T903] addrconf_add_mroute+0x129/0x180 [ 9083.541676][ T903] addrconf_add_dev+0xe2/0x170 [ 9083.541676][ T903] inet6_addr_add+0x12f/0xa40 [ 9083.541676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9083.541676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.541676][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.541676][ T903] netlink_unicast+0x449/0x710 [ 9083.541676][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.541676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.541676][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.541676][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.541676][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.541676][ T903] [ 9083.543910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9083.543910][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9083.543910][ T903] ipv6_find_idev+0x102/0x170 [ 9083.543910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9083.543910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.543910][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.543910][ T903] netlink_unicast+0x449/0x710 [ 9083.543910][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.543910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.543910][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.543910][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.543910][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.543910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9083.543910][ T903] [ 9083.545774][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9083.545774][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9083.545774][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9083.545774][ T903] ipv6_find_idev+0x102/0x170 [ 9083.545774][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9083.545774][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9083.545774][ T903] netlink_rcv_skb+0x130/0x360 [ 9083.545774][ T903] netlink_unicast+0x449/0x710 [ 9083.545774][ T903] netlink_sendmsg+0x723/0xbe0 [ 9083.545774][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9083.545774][ T903] ___sys_sendmsg+0xee/0x170 [ 9083.545774][ T903] __sys_sendmsg+0xcd/0x170 [ 9083.545774][ T903] do_syscall_64+0xc6/0x1e0 [ 9083.545774][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9083.545774][ T903] [ 9093.789866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9093.790655][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9093.790655][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9093.790655][ T903] ip6_validate_gw+0x3eb/0x790 [ 9093.790655][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9093.790655][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9093.790655][ T903] ip6_route_add+0x1c/0x140 [ 9093.790655][ T903] inet6_rtm_newroute+0x104/0x110 [ 9093.790655][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.790655][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.790655][ T903] netlink_unicast+0x449/0x710 [ 9093.790655][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.790655][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.790655][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.790655][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.790655][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.790655][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9093.790655][ T903] [ 9093.792849][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9093.792849][ T903] netdev_get_by_index+0x5e/0x80 [ 9093.792849][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9093.792849][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9093.792849][ T903] ip6_route_add+0x1c/0x140 [ 9093.792849][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9093.792849][ T903] inet6_addr_add+0x4f8/0xa40 [ 9093.792849][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9093.792849][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.792849][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.792849][ T903] netlink_unicast+0x449/0x710 [ 9093.792849][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.792849][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.792849][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.792849][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.792849][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.792849][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9093.792849][ T903] [ 9093.795242][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9093.795242][ T903] netdev_get_by_index+0x5e/0x80 [ 9093.795242][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9093.795242][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9093.795242][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9093.795242][ T903] ipv6_add_addr+0x411/0x2000 [ 9093.795242][ T903] inet6_addr_add+0x30e/0xa40 [ 9093.795242][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9093.795242][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.795242][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.795242][ T903] netlink_unicast+0x449/0x710 [ 9093.795242][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.795242][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.795242][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.795242][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.795242][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.795242][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9093.795242][ T903] [ 9093.797533][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9093.797533][ T903] netdev_get_by_index+0x5e/0x80 [ 9093.797533][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9093.797533][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9093.797533][ T903] ip6_route_add+0x1c/0x140 [ 9093.797533][ T903] addrconf_add_mroute+0x129/0x180 [ 9093.797533][ T903] addrconf_add_dev+0xe2/0x170 [ 9093.797533][ T903] inet6_addr_add+0x12f/0xa40 [ 9093.797533][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9093.797533][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.797533][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.797533][ T903] netlink_unicast+0x449/0x710 [ 9093.797533][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.797533][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.797533][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.797533][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.797533][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.797533][ T903] [ 9093.799804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9093.799804][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9093.799804][ T903] ipv6_find_idev+0x102/0x170 [ 9093.799804][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9093.799804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.799804][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.799804][ T903] netlink_unicast+0x449/0x710 [ 9093.799804][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.799804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.799804][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.799804][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.799804][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.799804][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9093.799804][ T903] [ 9093.801657][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9093.801657][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9093.801657][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9093.801657][ T903] ipv6_find_idev+0x102/0x170 [ 9093.801657][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9093.801657][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9093.801657][ T903] netlink_rcv_skb+0x130/0x360 [ 9093.801657][ T903] netlink_unicast+0x449/0x710 [ 9093.801657][ T903] netlink_sendmsg+0x723/0xbe0 [ 9093.801657][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9093.801657][ T903] ___sys_sendmsg+0xee/0x170 [ 9093.801657][ T903] __sys_sendmsg+0xcd/0x170 [ 9093.801657][ T903] do_syscall_64+0xc6/0x1e0 [ 9093.801657][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9093.801657][ T903] [ 9104.045854][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9104.046354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9104.046354][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9104.046354][ T903] ip6_validate_gw+0x3eb/0x790 [ 9104.046354][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9104.046354][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9104.046354][ T903] ip6_route_add+0x1c/0x140 [ 9104.046354][ T903] inet6_rtm_newroute+0x104/0x110 [ 9104.046354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.046354][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.046354][ T903] netlink_unicast+0x449/0x710 [ 9104.046354][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.046354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.046354][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.046354][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.046354][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.046354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9104.046354][ T903] [ 9104.048566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9104.048566][ T903] netdev_get_by_index+0x5e/0x80 [ 9104.048566][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9104.048566][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9104.048566][ T903] ip6_route_add+0x1c/0x140 [ 9104.048566][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9104.048566][ T903] inet6_addr_add+0x4f8/0xa40 [ 9104.048566][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9104.048566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.048566][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.048566][ T903] netlink_unicast+0x449/0x710 [ 9104.048566][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.048566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.048566][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.048566][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.048566][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.048566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9104.048566][ T903] [ 9104.051010][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9104.051010][ T903] netdev_get_by_index+0x5e/0x80 [ 9104.051010][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9104.051010][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9104.051010][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9104.051010][ T903] ipv6_add_addr+0x411/0x2000 [ 9104.051010][ T903] inet6_addr_add+0x30e/0xa40 [ 9104.051010][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9104.051010][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.051010][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.051010][ T903] netlink_unicast+0x449/0x710 [ 9104.051010][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.051010][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.051010][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.051010][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.051010][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.051010][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9104.051010][ T903] [ 9104.053390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9104.053390][ T903] netdev_get_by_index+0x5e/0x80 [ 9104.053390][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9104.053390][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9104.053390][ T903] ip6_route_add+0x1c/0x140 [ 9104.053390][ T903] addrconf_add_mroute+0x129/0x180 [ 9104.053390][ T903] addrconf_add_dev+0xe2/0x170 [ 9104.053390][ T903] inet6_addr_add+0x12f/0xa40 [ 9104.053390][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9104.053390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.053390][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.053390][ T903] netlink_unicast+0x449/0x710 [ 9104.053390][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.053390][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.053390][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.053390][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.053390][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.053390][ T903] [ 9104.055741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9104.055741][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9104.055741][ T903] ipv6_find_idev+0x102/0x170 [ 9104.055741][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9104.055741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.055741][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.055741][ T903] netlink_unicast+0x449/0x710 [ 9104.055741][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.055741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.055741][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.055741][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.055741][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.055741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9104.055741][ T903] [ 9104.057556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9104.057556][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9104.057556][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9104.057556][ T903] ipv6_find_idev+0x102/0x170 [ 9104.057556][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9104.057556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9104.057556][ T903] netlink_rcv_skb+0x130/0x360 [ 9104.057556][ T903] netlink_unicast+0x449/0x710 [ 9104.057556][ T903] netlink_sendmsg+0x723/0xbe0 [ 9104.057556][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9104.057556][ T903] ___sys_sendmsg+0xee/0x170 [ 9104.057556][ T903] __sys_sendmsg+0xcd/0x170 [ 9104.057556][ T903] do_syscall_64+0xc6/0x1e0 [ 9104.057556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9104.057556][ T903] [ 9114.301859][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9114.302756][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9114.302756][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9114.302756][ T903] ip6_validate_gw+0x3eb/0x790 [ 9114.302756][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9114.302756][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9114.302756][ T903] ip6_route_add+0x1c/0x140 [ 9114.302756][ T903] inet6_rtm_newroute+0x104/0x110 [ 9114.302756][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.302756][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.302756][ T903] netlink_unicast+0x449/0x710 [ 9114.302756][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.302756][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.302756][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.302756][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.302756][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.302756][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9114.302756][ T903] [ 9114.304975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9114.304975][ T903] netdev_get_by_index+0x5e/0x80 [ 9114.304975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9114.304975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9114.304975][ T903] ip6_route_add+0x1c/0x140 [ 9114.304975][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9114.304975][ T903] inet6_addr_add+0x4f8/0xa40 [ 9114.304975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9114.304975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.304975][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.304975][ T903] netlink_unicast+0x449/0x710 [ 9114.304975][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.304975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.304975][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.304975][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.304975][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.304975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9114.304975][ T903] [ 9114.307382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9114.307382][ T903] netdev_get_by_index+0x5e/0x80 [ 9114.307382][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9114.307382][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9114.307382][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9114.307382][ T903] ipv6_add_addr+0x411/0x2000 [ 9114.307382][ T903] inet6_addr_add+0x30e/0xa40 [ 9114.307382][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9114.307382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.307382][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.307382][ T903] netlink_unicast+0x449/0x710 [ 9114.307382][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.307382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.307382][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.307382][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.307382][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.307382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9114.307382][ T903] [ 9114.309775][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9114.309775][ T903] netdev_get_by_index+0x5e/0x80 [ 9114.309775][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9114.309775][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9114.309775][ T903] ip6_route_add+0x1c/0x140 [ 9114.309775][ T903] addrconf_add_mroute+0x129/0x180 [ 9114.309775][ T903] addrconf_add_dev+0xe2/0x170 [ 9114.309775][ T903] inet6_addr_add+0x12f/0xa40 [ 9114.309775][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9114.309775][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.309775][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.309775][ T903] netlink_unicast+0x449/0x710 [ 9114.309775][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.309775][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.309775][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.309775][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.309775][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.309775][ T903] [ 9114.312179][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9114.312179][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9114.312179][ T903] ipv6_find_idev+0x102/0x170 [ 9114.312179][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9114.312179][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.312179][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.312179][ T903] netlink_unicast+0x449/0x710 [ 9114.312179][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.312179][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.312179][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.312179][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.312179][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.312179][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9114.312179][ T903] [ 9114.314045][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9114.314045][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9114.314045][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9114.314045][ T903] ipv6_find_idev+0x102/0x170 [ 9114.314045][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9114.314045][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9114.314045][ T903] netlink_rcv_skb+0x130/0x360 [ 9114.314045][ T903] netlink_unicast+0x449/0x710 [ 9114.314045][ T903] netlink_sendmsg+0x723/0xbe0 [ 9114.314045][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9114.314045][ T903] ___sys_sendmsg+0xee/0x170 [ 9114.314045][ T903] __sys_sendmsg+0xcd/0x170 [ 9114.314045][ T903] do_syscall_64+0xc6/0x1e0 [ 9114.314045][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9114.314045][ T903] [ 9124.557868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9124.558786][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9124.558786][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9124.558786][ T903] ip6_validate_gw+0x3eb/0x790 [ 9124.558786][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9124.558786][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9124.558786][ T903] ip6_route_add+0x1c/0x140 [ 9124.558786][ T903] inet6_rtm_newroute+0x104/0x110 [ 9124.558786][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.558786][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.558786][ T903] netlink_unicast+0x449/0x710 [ 9124.558786][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.558786][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.558786][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.558786][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.558786][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.558786][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9124.558786][ T903] [ 9124.560975][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9124.560975][ T903] netdev_get_by_index+0x5e/0x80 [ 9124.560975][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9124.560975][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9124.560975][ T903] ip6_route_add+0x1c/0x140 [ 9124.560975][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9124.560975][ T903] inet6_addr_add+0x4f8/0xa40 [ 9124.560975][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9124.560975][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.560975][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.560975][ T903] netlink_unicast+0x449/0x710 [ 9124.560975][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.560975][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.560975][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.560975][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.560975][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.560975][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9124.560975][ T903] [ 9124.563330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9124.563330][ T903] netdev_get_by_index+0x5e/0x80 [ 9124.563330][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9124.563330][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9124.563330][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9124.563330][ T903] ipv6_add_addr+0x411/0x2000 [ 9124.563330][ T903] inet6_addr_add+0x30e/0xa40 [ 9124.563330][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9124.563330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.563330][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.563330][ T903] netlink_unicast+0x449/0x710 [ 9124.563330][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.563330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.563330][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.563330][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.563330][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.563330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9124.563330][ T903] [ 9124.565672][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9124.565672][ T903] netdev_get_by_index+0x5e/0x80 [ 9124.565672][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9124.565672][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9124.565672][ T903] ip6_route_add+0x1c/0x140 [ 9124.565672][ T903] addrconf_add_mroute+0x129/0x180 [ 9124.565672][ T903] addrconf_add_dev+0xe2/0x170 [ 9124.565672][ T903] inet6_addr_add+0x12f/0xa40 [ 9124.565672][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9124.565672][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.565672][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.565672][ T903] netlink_unicast+0x449/0x710 [ 9124.565672][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.565672][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.565672][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.565672][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.565672][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.565672][ T903] [ 9124.567992][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9124.567992][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9124.567992][ T903] ipv6_find_idev+0x102/0x170 [ 9124.567992][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9124.567992][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.567992][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.567992][ T903] netlink_unicast+0x449/0x710 [ 9124.567992][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.567992][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.567992][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.567992][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.567992][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.567992][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9124.567992][ T903] [ 9124.569804][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9124.569804][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9124.569804][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9124.569804][ T903] ipv6_find_idev+0x102/0x170 [ 9124.569804][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9124.569804][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9124.569804][ T903] netlink_rcv_skb+0x130/0x360 [ 9124.569804][ T903] netlink_unicast+0x449/0x710 [ 9124.569804][ T903] netlink_sendmsg+0x723/0xbe0 [ 9124.569804][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9124.569804][ T903] ___sys_sendmsg+0xee/0x170 [ 9124.569804][ T903] __sys_sendmsg+0xcd/0x170 [ 9124.569804][ T903] do_syscall_64+0xc6/0x1e0 [ 9124.569804][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9124.569804][ T903] [ 9134.813871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9134.814713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9134.814713][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9134.814713][ T903] ip6_validate_gw+0x3eb/0x790 [ 9134.814713][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9134.814713][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9134.814713][ T903] ip6_route_add+0x1c/0x140 [ 9134.814713][ T903] inet6_rtm_newroute+0x104/0x110 [ 9134.814713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.814713][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.814713][ T903] netlink_unicast+0x449/0x710 [ 9134.814713][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.814713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.814713][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.814713][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.814713][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.814713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9134.814713][ T903] [ 9134.816918][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9134.816918][ T903] netdev_get_by_index+0x5e/0x80 [ 9134.816918][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9134.816918][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9134.816918][ T903] ip6_route_add+0x1c/0x140 [ 9134.816918][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9134.816918][ T903] inet6_addr_add+0x4f8/0xa40 [ 9134.816918][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9134.816918][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.816918][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.816918][ T903] netlink_unicast+0x449/0x710 [ 9134.816918][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.816918][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.816918][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.816918][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.816918][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.816918][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9134.816918][ T903] [ 9134.819342][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9134.819342][ T903] netdev_get_by_index+0x5e/0x80 [ 9134.819342][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9134.819342][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9134.819342][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9134.819342][ T903] ipv6_add_addr+0x411/0x2000 [ 9134.819342][ T903] inet6_addr_add+0x30e/0xa40 [ 9134.819342][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9134.819342][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.819342][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.819342][ T903] netlink_unicast+0x449/0x710 [ 9134.819342][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.819342][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.819342][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.819342][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.819342][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.819342][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9134.819342][ T903] [ 9134.821750][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9134.821750][ T903] netdev_get_by_index+0x5e/0x80 [ 9134.821750][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9134.821750][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9134.821750][ T903] ip6_route_add+0x1c/0x140 [ 9134.821750][ T903] addrconf_add_mroute+0x129/0x180 [ 9134.821750][ T903] addrconf_add_dev+0xe2/0x170 [ 9134.821750][ T903] inet6_addr_add+0x12f/0xa40 [ 9134.821750][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9134.821750][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.821750][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.821750][ T903] netlink_unicast+0x449/0x710 [ 9134.821750][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.821750][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.821750][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.821750][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.821750][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.821750][ T903] [ 9134.824060][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9134.824060][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9134.824060][ T903] ipv6_find_idev+0x102/0x170 [ 9134.824060][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9134.824060][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.824060][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.824060][ T903] netlink_unicast+0x449/0x710 [ 9134.824060][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.824060][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.824060][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.824060][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.824060][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.824060][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9134.824060][ T903] [ 9134.825845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9134.825845][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9134.825845][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9134.825845][ T903] ipv6_find_idev+0x102/0x170 [ 9134.825845][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9134.825845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9134.825845][ T903] netlink_rcv_skb+0x130/0x360 [ 9134.825845][ T903] netlink_unicast+0x449/0x710 [ 9134.825845][ T903] netlink_sendmsg+0x723/0xbe0 [ 9134.825845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9134.825845][ T903] ___sys_sendmsg+0xee/0x170 [ 9134.825845][ T903] __sys_sendmsg+0xcd/0x170 [ 9134.825845][ T903] do_syscall_64+0xc6/0x1e0 [ 9134.825845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9134.825845][ T903] [ 9145.069872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9145.070753][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9145.070753][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9145.070753][ T903] ip6_validate_gw+0x3eb/0x790 [ 9145.070753][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9145.070753][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9145.070753][ T903] ip6_route_add+0x1c/0x140 [ 9145.070753][ T903] inet6_rtm_newroute+0x104/0x110 [ 9145.070753][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.070753][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.070753][ T903] netlink_unicast+0x449/0x710 [ 9145.070753][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.070753][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.070753][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.070753][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.070753][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.070753][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9145.070753][ T903] [ 9145.072976][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9145.072976][ T903] netdev_get_by_index+0x5e/0x80 [ 9145.072976][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9145.072976][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9145.072976][ T903] ip6_route_add+0x1c/0x140 [ 9145.072976][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9145.072976][ T903] inet6_addr_add+0x4f8/0xa40 [ 9145.072976][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9145.072976][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.072976][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.072976][ T903] netlink_unicast+0x449/0x710 [ 9145.072976][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.072976][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.072976][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.072976][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.072976][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.072976][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9145.072976][ T903] [ 9145.075457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9145.075457][ T903] netdev_get_by_index+0x5e/0x80 [ 9145.075457][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9145.075457][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9145.075457][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9145.075457][ T903] ipv6_add_addr+0x411/0x2000 [ 9145.075457][ T903] inet6_addr_add+0x30e/0xa40 [ 9145.075457][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9145.075457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.075457][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.075457][ T903] netlink_unicast+0x449/0x710 [ 9145.075457][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.075457][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.075457][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.075457][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.075457][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.075457][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9145.075457][ T903] [ 9145.077836][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9145.077836][ T903] netdev_get_by_index+0x5e/0x80 [ 9145.077836][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9145.077836][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9145.077836][ T903] ip6_route_add+0x1c/0x140 [ 9145.077836][ T903] addrconf_add_mroute+0x129/0x180 [ 9145.077836][ T903] addrconf_add_dev+0xe2/0x170 [ 9145.077836][ T903] inet6_addr_add+0x12f/0xa40 [ 9145.077836][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9145.077836][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.077836][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.077836][ T903] netlink_unicast+0x449/0x710 [ 9145.077836][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.077836][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.077836][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.077836][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.077836][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.077836][ T903] [ 9145.080109][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9145.080109][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9145.080109][ T903] ipv6_find_idev+0x102/0x170 [ 9145.080109][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9145.080109][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.080109][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.080109][ T903] netlink_unicast+0x449/0x710 [ 9145.080109][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.080109][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.080109][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.080109][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.080109][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.080109][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9145.080109][ T903] [ 9145.081956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9145.081956][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9145.081956][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9145.081956][ T903] ipv6_find_idev+0x102/0x170 [ 9145.081956][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9145.081956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9145.081956][ T903] netlink_rcv_skb+0x130/0x360 [ 9145.081956][ T903] netlink_unicast+0x449/0x710 [ 9145.081956][ T903] netlink_sendmsg+0x723/0xbe0 [ 9145.081956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9145.081956][ T903] ___sys_sendmsg+0xee/0x170 [ 9145.081956][ T903] __sys_sendmsg+0xcd/0x170 [ 9145.081956][ T903] do_syscall_64+0xc6/0x1e0 [ 9145.081956][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9145.081956][ T903] [ 9155.325868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9155.326618][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9155.326618][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9155.326618][ T903] ip6_validate_gw+0x3eb/0x790 [ 9155.326618][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9155.326618][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9155.326618][ T903] ip6_route_add+0x1c/0x140 [ 9155.326618][ T903] inet6_rtm_newroute+0x104/0x110 [ 9155.326618][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.326618][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.326618][ T903] netlink_unicast+0x449/0x710 [ 9155.326618][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.326618][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.326618][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.326618][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.326618][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.326618][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9155.326618][ T903] [ 9155.328831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9155.328831][ T903] netdev_get_by_index+0x5e/0x80 [ 9155.328831][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9155.328831][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9155.328831][ T903] ip6_route_add+0x1c/0x140 [ 9155.328831][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9155.328831][ T903] inet6_addr_add+0x4f8/0xa40 [ 9155.328831][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9155.328831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.328831][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.328831][ T903] netlink_unicast+0x449/0x710 [ 9155.328831][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.328831][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.328831][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.328831][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.328831][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.328831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9155.328831][ T903] [ 9155.331250][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9155.331250][ T903] netdev_get_by_index+0x5e/0x80 [ 9155.331250][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9155.331250][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9155.331250][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9155.331250][ T903] ipv6_add_addr+0x411/0x2000 [ 9155.331250][ T903] inet6_addr_add+0x30e/0xa40 [ 9155.331250][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9155.331250][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.331250][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.331250][ T903] netlink_unicast+0x449/0x710 [ 9155.331250][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.331250][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.331250][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.331250][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.331250][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.331250][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9155.331250][ T903] [ 9155.333555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9155.333555][ T903] netdev_get_by_index+0x5e/0x80 [ 9155.333555][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9155.333555][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9155.333555][ T903] ip6_route_add+0x1c/0x140 [ 9155.333555][ T903] addrconf_add_mroute+0x129/0x180 [ 9155.333555][ T903] addrconf_add_dev+0xe2/0x170 [ 9155.333555][ T903] inet6_addr_add+0x12f/0xa40 [ 9155.333555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9155.333555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.333555][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.333555][ T903] netlink_unicast+0x449/0x710 [ 9155.333555][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.333555][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.333555][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.333555][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.333555][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.333555][ T903] [ 9155.335839][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9155.335839][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9155.335839][ T903] ipv6_find_idev+0x102/0x170 [ 9155.335839][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9155.335839][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.335839][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.335839][ T903] netlink_unicast+0x449/0x710 [ 9155.335839][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.335839][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.335839][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.335839][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.335839][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.335839][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9155.335839][ T903] [ 9155.337658][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9155.337658][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9155.337658][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9155.337658][ T903] ipv6_find_idev+0x102/0x170 [ 9155.337658][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9155.337658][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9155.337658][ T903] netlink_rcv_skb+0x130/0x360 [ 9155.337658][ T903] netlink_unicast+0x449/0x710 [ 9155.337658][ T903] netlink_sendmsg+0x723/0xbe0 [ 9155.337658][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9155.337658][ T903] ___sys_sendmsg+0xee/0x170 [ 9155.337658][ T903] __sys_sendmsg+0xcd/0x170 [ 9155.337658][ T903] do_syscall_64+0xc6/0x1e0 [ 9155.337658][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9155.337658][ T903] [ 9165.581861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9165.582553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9165.582553][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9165.582553][ T903] ip6_validate_gw+0x3eb/0x790 [ 9165.582553][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9165.582553][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9165.582553][ T903] ip6_route_add+0x1c/0x140 [ 9165.582553][ T903] inet6_rtm_newroute+0x104/0x110 [ 9165.582553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.582553][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.582553][ T903] netlink_unicast+0x449/0x710 [ 9165.582553][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.582553][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.582553][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.582553][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.582553][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.582553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9165.582553][ T903] [ 9165.584848][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9165.584848][ T903] netdev_get_by_index+0x5e/0x80 [ 9165.584848][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9165.584848][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9165.584848][ T903] ip6_route_add+0x1c/0x140 [ 9165.584848][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9165.584848][ T903] inet6_addr_add+0x4f8/0xa40 [ 9165.584848][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9165.584848][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.584848][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.584848][ T903] netlink_unicast+0x449/0x710 [ 9165.584848][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.584848][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.584848][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.584848][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.584848][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.584848][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9165.584848][ T903] [ 9165.587239][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9165.587239][ T903] netdev_get_by_index+0x5e/0x80 [ 9165.587239][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9165.587239][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9165.587239][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9165.587239][ T903] ipv6_add_addr+0x411/0x2000 [ 9165.587239][ T903] inet6_addr_add+0x30e/0xa40 [ 9165.587239][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9165.587239][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.587239][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.587239][ T903] netlink_unicast+0x449/0x710 [ 9165.587239][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.587239][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.587239][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.587239][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.587239][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.587239][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9165.587239][ T903] [ 9165.589573][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9165.589573][ T903] netdev_get_by_index+0x5e/0x80 [ 9165.589573][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9165.589573][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9165.589573][ T903] ip6_route_add+0x1c/0x140 [ 9165.589573][ T903] addrconf_add_mroute+0x129/0x180 [ 9165.589573][ T903] addrconf_add_dev+0xe2/0x170 [ 9165.589573][ T903] inet6_addr_add+0x12f/0xa40 [ 9165.589573][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9165.589573][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.589573][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.589573][ T903] netlink_unicast+0x449/0x710 [ 9165.589573][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.589573][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.589573][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.589573][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.589573][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.589573][ T903] [ 9165.591942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9165.591942][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9165.591942][ T903] ipv6_find_idev+0x102/0x170 [ 9165.591942][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9165.591942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.591942][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.591942][ T903] netlink_unicast+0x449/0x710 [ 9165.591942][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.591942][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.591942][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.591942][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.591942][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.591942][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9165.591942][ T903] [ 9165.593788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9165.593788][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9165.593788][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9165.593788][ T903] ipv6_find_idev+0x102/0x170 [ 9165.593788][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9165.593788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9165.593788][ T903] netlink_rcv_skb+0x130/0x360 [ 9165.593788][ T903] netlink_unicast+0x449/0x710 [ 9165.593788][ T903] netlink_sendmsg+0x723/0xbe0 [ 9165.593788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9165.593788][ T903] ___sys_sendmsg+0xee/0x170 [ 9165.593788][ T903] __sys_sendmsg+0xcd/0x170 [ 9165.593788][ T903] do_syscall_64+0xc6/0x1e0 [ 9165.593788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9165.593788][ T903] [ 9175.837860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9175.838837][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9175.838837][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9175.838837][ T903] ip6_validate_gw+0x3eb/0x790 [ 9175.838837][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9175.838837][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9175.838837][ T903] ip6_route_add+0x1c/0x140 [ 9175.838837][ T903] inet6_rtm_newroute+0x104/0x110 [ 9175.838837][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.838837][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.838837][ T903] netlink_unicast+0x449/0x710 [ 9175.838837][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.838837][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.838837][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.838837][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.838837][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.838837][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9175.838837][ T903] [ 9175.841123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9175.841123][ T903] netdev_get_by_index+0x5e/0x80 [ 9175.841123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9175.841123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9175.841123][ T903] ip6_route_add+0x1c/0x140 [ 9175.841123][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9175.841123][ T903] inet6_addr_add+0x4f8/0xa40 [ 9175.841123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9175.841123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.841123][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.841123][ T903] netlink_unicast+0x449/0x710 [ 9175.841123][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.841123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.841123][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.841123][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.841123][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.841123][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9175.841123][ T903] [ 9175.843420][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9175.843420][ T903] netdev_get_by_index+0x5e/0x80 [ 9175.843420][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9175.843420][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9175.843420][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9175.843420][ T903] ipv6_add_addr+0x411/0x2000 [ 9175.843420][ T903] inet6_addr_add+0x30e/0xa40 [ 9175.843420][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9175.843420][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.843420][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.843420][ T903] netlink_unicast+0x449/0x710 [ 9175.843420][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.843420][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.843420][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.843420][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.843420][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.843420][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9175.843420][ T903] [ 9175.845698][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9175.845698][ T903] netdev_get_by_index+0x5e/0x80 [ 9175.845698][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9175.845698][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9175.845698][ T903] ip6_route_add+0x1c/0x140 [ 9175.845698][ T903] addrconf_add_mroute+0x129/0x180 [ 9175.845698][ T903] addrconf_add_dev+0xe2/0x170 [ 9175.845698][ T903] inet6_addr_add+0x12f/0xa40 [ 9175.845698][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9175.845698][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.845698][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.845698][ T903] netlink_unicast+0x449/0x710 [ 9175.845698][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.845698][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.845698][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.845698][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.845698][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.845698][ T903] [ 9175.848008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9175.848008][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9175.848008][ T903] ipv6_find_idev+0x102/0x170 [ 9175.848008][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9175.848008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.848008][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.848008][ T903] netlink_unicast+0x449/0x710 [ 9175.848008][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.848008][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.848008][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.848008][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.848008][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.848008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9175.848008][ T903] [ 9175.849818][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9175.849818][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9175.849818][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9175.849818][ T903] ipv6_find_idev+0x102/0x170 [ 9175.849818][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9175.849818][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9175.849818][ T903] netlink_rcv_skb+0x130/0x360 [ 9175.849818][ T903] netlink_unicast+0x449/0x710 [ 9175.849818][ T903] netlink_sendmsg+0x723/0xbe0 [ 9175.849818][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9175.849818][ T903] ___sys_sendmsg+0xee/0x170 [ 9175.849818][ T903] __sys_sendmsg+0xcd/0x170 [ 9175.849818][ T903] do_syscall_64+0xc6/0x1e0 [ 9175.849818][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9175.849818][ T903] [ 9186.093872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9186.094793][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9186.094793][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9186.094793][ T903] ip6_validate_gw+0x3eb/0x790 [ 9186.094793][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9186.094793][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9186.094793][ T903] ip6_route_add+0x1c/0x140 [ 9186.094793][ T903] inet6_rtm_newroute+0x104/0x110 [ 9186.094793][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.094793][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.094793][ T903] netlink_unicast+0x449/0x710 [ 9186.094793][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.094793][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.094793][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.094793][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.094793][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.094793][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9186.094793][ T903] [ 9186.097012][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9186.097012][ T903] netdev_get_by_index+0x5e/0x80 [ 9186.097012][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9186.097012][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9186.097012][ T903] ip6_route_add+0x1c/0x140 [ 9186.097012][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9186.097012][ T903] inet6_addr_add+0x4f8/0xa40 [ 9186.097012][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9186.097012][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.097012][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.097012][ T903] netlink_unicast+0x449/0x710 [ 9186.097012][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.097012][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.097012][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.097012][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.097012][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.097012][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9186.097012][ T903] [ 9186.099449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9186.099449][ T903] netdev_get_by_index+0x5e/0x80 [ 9186.099449][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9186.099449][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9186.099449][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9186.099449][ T903] ipv6_add_addr+0x411/0x2000 [ 9186.099449][ T903] inet6_addr_add+0x30e/0xa40 [ 9186.099449][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9186.099449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.099449][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.099449][ T903] netlink_unicast+0x449/0x710 [ 9186.099449][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.099449][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.099449][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.099449][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.099449][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.099449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9186.099449][ T903] [ 9186.101944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9186.101944][ T903] netdev_get_by_index+0x5e/0x80 [ 9186.101944][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9186.101944][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9186.101944][ T903] ip6_route_add+0x1c/0x140 [ 9186.101944][ T903] addrconf_add_mroute+0x129/0x180 [ 9186.101944][ T903] addrconf_add_dev+0xe2/0x170 [ 9186.101944][ T903] inet6_addr_add+0x12f/0xa40 [ 9186.101944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9186.101944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.101944][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.101944][ T903] netlink_unicast+0x449/0x710 [ 9186.101944][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.101944][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.101944][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.101944][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.101944][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.101944][ T903] [ 9186.104171][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9186.104171][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9186.104171][ T903] ipv6_find_idev+0x102/0x170 [ 9186.104171][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9186.104171][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.104171][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.104171][ T903] netlink_unicast+0x449/0x710 [ 9186.104171][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.104171][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.104171][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.104171][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.104171][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.104171][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9186.104171][ T903] [ 9186.105965][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9186.105965][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9186.105965][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9186.105965][ T903] ipv6_find_idev+0x102/0x170 [ 9186.105965][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9186.105965][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9186.105965][ T903] netlink_rcv_skb+0x130/0x360 [ 9186.105965][ T903] netlink_unicast+0x449/0x710 [ 9186.105965][ T903] netlink_sendmsg+0x723/0xbe0 [ 9186.105965][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9186.105965][ T903] ___sys_sendmsg+0xee/0x170 [ 9186.105965][ T903] __sys_sendmsg+0xcd/0x170 [ 9186.105965][ T903] do_syscall_64+0xc6/0x1e0 [ 9186.105965][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9186.105965][ T903] [ 9196.349948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9196.350639][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9196.350639][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9196.350639][ T903] ip6_validate_gw+0x3eb/0x790 [ 9196.350639][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9196.350639][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9196.350639][ T903] ip6_route_add+0x1c/0x140 [ 9196.350639][ T903] inet6_rtm_newroute+0x104/0x110 [ 9196.350639][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.350639][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.350639][ T903] netlink_unicast+0x449/0x710 [ 9196.350639][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.350639][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.350639][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.350639][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.350639][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.350639][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9196.350639][ T903] [ 9196.352895][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9196.352895][ T903] netdev_get_by_index+0x5e/0x80 [ 9196.352895][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9196.352895][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9196.352895][ T903] ip6_route_add+0x1c/0x140 [ 9196.352895][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9196.352895][ T903] inet6_addr_add+0x4f8/0xa40 [ 9196.352895][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9196.352895][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.352895][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.352895][ T903] netlink_unicast+0x449/0x710 [ 9196.352895][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.352895][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.352895][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.352895][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.352895][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.352895][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9196.352895][ T903] [ 9196.355264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9196.355264][ T903] netdev_get_by_index+0x5e/0x80 [ 9196.355264][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9196.355264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9196.355264][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9196.355264][ T903] ipv6_add_addr+0x411/0x2000 [ 9196.355264][ T903] inet6_addr_add+0x30e/0xa40 [ 9196.355264][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9196.355264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.355264][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.355264][ T903] netlink_unicast+0x449/0x710 [ 9196.355264][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.355264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.355264][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.355264][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.355264][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.355264][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9196.355264][ T903] [ 9196.357641][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9196.357641][ T903] netdev_get_by_index+0x5e/0x80 [ 9196.357641][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9196.357641][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9196.357641][ T903] ip6_route_add+0x1c/0x140 [ 9196.357641][ T903] addrconf_add_mroute+0x129/0x180 [ 9196.357641][ T903] addrconf_add_dev+0xe2/0x170 [ 9196.357641][ T903] inet6_addr_add+0x12f/0xa40 [ 9196.357641][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9196.357641][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.357641][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.357641][ T903] netlink_unicast+0x449/0x710 [ 9196.357641][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.357641][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.357641][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.357641][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.357641][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.357641][ T903] [ 9196.360043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9196.360043][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9196.360043][ T903] ipv6_find_idev+0x102/0x170 [ 9196.360043][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9196.360043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.360043][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.360043][ T903] netlink_unicast+0x449/0x710 [ 9196.360043][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.360043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.360043][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.360043][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.360043][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.360043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9196.360043][ T903] [ 9196.362365][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9196.362365][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9196.362365][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9196.362365][ T903] ipv6_find_idev+0x102/0x170 [ 9196.362365][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9196.362365][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9196.362365][ T903] netlink_rcv_skb+0x130/0x360 [ 9196.362365][ T903] netlink_unicast+0x449/0x710 [ 9196.362365][ T903] netlink_sendmsg+0x723/0xbe0 [ 9196.362365][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9196.362365][ T903] ___sys_sendmsg+0xee/0x170 [ 9196.362365][ T903] __sys_sendmsg+0xcd/0x170 [ 9196.362365][ T903] do_syscall_64+0xc6/0x1e0 [ 9196.362365][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9196.362365][ T903] [ 9206.605799][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9206.606331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9206.606331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9206.606331][ T903] ip6_validate_gw+0x3eb/0x790 [ 9206.606331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9206.606331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9206.606331][ T903] ip6_route_add+0x1c/0x140 [ 9206.606331][ T903] inet6_rtm_newroute+0x104/0x110 [ 9206.606331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.606331][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.606331][ T903] netlink_unicast+0x449/0x710 [ 9206.606331][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.606331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.606331][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.606331][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.606331][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.606331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9206.606331][ T903] [ 9206.608557][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9206.608557][ T903] netdev_get_by_index+0x5e/0x80 [ 9206.608557][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9206.608557][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9206.608557][ T903] ip6_route_add+0x1c/0x140 [ 9206.608557][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9206.608557][ T903] inet6_addr_add+0x4f8/0xa40 [ 9206.608557][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9206.608557][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.608557][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.608557][ T903] netlink_unicast+0x449/0x710 [ 9206.608557][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.608557][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.608557][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.608557][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.608557][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.608557][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9206.608557][ T903] [ 9206.611021][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9206.611021][ T903] netdev_get_by_index+0x5e/0x80 [ 9206.611021][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9206.611021][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9206.611021][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9206.611021][ T903] ipv6_add_addr+0x411/0x2000 [ 9206.611021][ T903] inet6_addr_add+0x30e/0xa40 [ 9206.611021][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9206.611021][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.611021][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.611021][ T903] netlink_unicast+0x449/0x710 [ 9206.611021][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.611021][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.611021][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.611021][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.611021][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.611021][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9206.611021][ T903] [ 9206.613478][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9206.613478][ T903] netdev_get_by_index+0x5e/0x80 [ 9206.613478][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9206.613478][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9206.613478][ T903] ip6_route_add+0x1c/0x140 [ 9206.613478][ T903] addrconf_add_mroute+0x129/0x180 [ 9206.613478][ T903] addrconf_add_dev+0xe2/0x170 [ 9206.613478][ T903] inet6_addr_add+0x12f/0xa40 [ 9206.613478][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9206.613478][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.613478][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.613478][ T903] netlink_unicast+0x449/0x710 [ 9206.613478][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.613478][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.613478][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.613478][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.613478][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.613478][ T903] [ 9206.615908][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9206.615908][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9206.615908][ T903] ipv6_find_idev+0x102/0x170 [ 9206.615908][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9206.615908][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.615908][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.615908][ T903] netlink_unicast+0x449/0x710 [ 9206.615908][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.615908][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.615908][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.615908][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.615908][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.615908][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9206.615908][ T903] [ 9206.618254][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9206.618254][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9206.618254][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9206.618254][ T903] ipv6_find_idev+0x102/0x170 [ 9206.618254][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9206.618254][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9206.618254][ T903] netlink_rcv_skb+0x130/0x360 [ 9206.618254][ T903] netlink_unicast+0x449/0x710 [ 9206.618254][ T903] netlink_sendmsg+0x723/0xbe0 [ 9206.618254][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9206.618254][ T903] ___sys_sendmsg+0xee/0x170 [ 9206.618254][ T903] __sys_sendmsg+0xcd/0x170 [ 9206.618254][ T903] do_syscall_64+0xc6/0x1e0 [ 9206.618254][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9206.618254][ T903] [ 9216.861861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9216.862737][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9216.862737][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9216.862737][ T903] ip6_validate_gw+0x3eb/0x790 [ 9216.862737][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9216.862737][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9216.862737][ T903] ip6_route_add+0x1c/0x140 [ 9216.862737][ T903] inet6_rtm_newroute+0x104/0x110 [ 9216.862737][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.862737][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.862737][ T903] netlink_unicast+0x449/0x710 [ 9216.862737][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.862737][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.862737][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.862737][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.862737][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.862737][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9216.862737][ T903] [ 9216.864973][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9216.864973][ T903] netdev_get_by_index+0x5e/0x80 [ 9216.864973][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9216.864973][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9216.864973][ T903] ip6_route_add+0x1c/0x140 [ 9216.864973][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9216.864973][ T903] inet6_addr_add+0x4f8/0xa40 [ 9216.864973][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9216.864973][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.864973][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.864973][ T903] netlink_unicast+0x449/0x710 [ 9216.864973][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.864973][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.864973][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.864973][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.864973][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.864973][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9216.864973][ T903] [ 9216.867437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9216.867437][ T903] netdev_get_by_index+0x5e/0x80 [ 9216.867437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9216.867437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9216.867437][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9216.867437][ T903] ipv6_add_addr+0x411/0x2000 [ 9216.867437][ T903] inet6_addr_add+0x30e/0xa40 [ 9216.867437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9216.867437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.867437][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.867437][ T903] netlink_unicast+0x449/0x710 [ 9216.867437][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.867437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.867437][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.867437][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.867437][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.867437][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9216.867437][ T903] [ 9216.869888][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9216.869888][ T903] netdev_get_by_index+0x5e/0x80 [ 9216.869888][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9216.869888][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9216.869888][ T903] ip6_route_add+0x1c/0x140 [ 9216.869888][ T903] addrconf_add_mroute+0x129/0x180 [ 9216.869888][ T903] addrconf_add_dev+0xe2/0x170 [ 9216.869888][ T903] inet6_addr_add+0x12f/0xa40 [ 9216.869888][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9216.869888][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.869888][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.869888][ T903] netlink_unicast+0x449/0x710 [ 9216.869888][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.869888][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.869888][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.869888][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.869888][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.869888][ T903] [ 9216.872364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9216.872364][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9216.872364][ T903] ipv6_find_idev+0x102/0x170 [ 9216.872364][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9216.872364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.872364][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.872364][ T903] netlink_unicast+0x449/0x710 [ 9216.872364][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.872364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.872364][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.872364][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.872364][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.872364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9216.872364][ T903] [ 9216.874246][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9216.874246][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9216.874246][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9216.874246][ T903] ipv6_find_idev+0x102/0x170 [ 9216.874246][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9216.874246][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9216.874246][ T903] netlink_rcv_skb+0x130/0x360 [ 9216.874246][ T903] netlink_unicast+0x449/0x710 [ 9216.874246][ T903] netlink_sendmsg+0x723/0xbe0 [ 9216.874246][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9216.874246][ T903] ___sys_sendmsg+0xee/0x170 [ 9216.874246][ T903] __sys_sendmsg+0xcd/0x170 [ 9216.874246][ T903] do_syscall_64+0xc6/0x1e0 [ 9216.874246][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9216.874246][ T903] [ 9227.117949][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9227.118900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9227.118900][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9227.118900][ T903] ip6_validate_gw+0x3eb/0x790 [ 9227.118900][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9227.118900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9227.118900][ T903] ip6_route_add+0x1c/0x140 [ 9227.118900][ T903] inet6_rtm_newroute+0x104/0x110 [ 9227.118900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.118900][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.118900][ T903] netlink_unicast+0x449/0x710 [ 9227.118900][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.118900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.118900][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.118900][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.118900][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.118900][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9227.118900][ T903] [ 9227.121226][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9227.121226][ T903] netdev_get_by_index+0x5e/0x80 [ 9227.121226][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9227.121226][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9227.121226][ T903] ip6_route_add+0x1c/0x140 [ 9227.121226][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9227.121226][ T903] inet6_addr_add+0x4f8/0xa40 [ 9227.121226][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9227.121226][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.121226][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.121226][ T903] netlink_unicast+0x449/0x710 [ 9227.121226][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.121226][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.121226][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.121226][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.121226][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.121226][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9227.121226][ T903] [ 9227.123666][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9227.123666][ T903] netdev_get_by_index+0x5e/0x80 [ 9227.123666][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9227.123666][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9227.123666][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9227.123666][ T903] ipv6_add_addr+0x411/0x2000 [ 9227.123666][ T903] inet6_addr_add+0x30e/0xa40 [ 9227.123666][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9227.123666][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.123666][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.123666][ T903] netlink_unicast+0x449/0x710 [ 9227.123666][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.123666][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.123666][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.123666][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.123666][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.123666][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9227.123666][ T903] [ 9227.126055][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9227.126055][ T903] netdev_get_by_index+0x5e/0x80 [ 9227.126055][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9227.126055][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9227.126055][ T903] ip6_route_add+0x1c/0x140 [ 9227.126055][ T903] addrconf_add_mroute+0x129/0x180 [ 9227.126055][ T903] addrconf_add_dev+0xe2/0x170 [ 9227.126055][ T903] inet6_addr_add+0x12f/0xa40 [ 9227.126055][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9227.126055][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.126055][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.126055][ T903] netlink_unicast+0x449/0x710 [ 9227.126055][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.126055][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.126055][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.126055][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.126055][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.126055][ T903] [ 9227.128382][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9227.128382][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9227.128382][ T903] ipv6_find_idev+0x102/0x170 [ 9227.128382][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9227.128382][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.128382][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.128382][ T903] netlink_unicast+0x449/0x710 [ 9227.128382][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.128382][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.128382][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.128382][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.128382][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.128382][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9227.128382][ T903] [ 9227.130279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9227.130279][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9227.130279][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9227.130279][ T903] ipv6_find_idev+0x102/0x170 [ 9227.130279][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9227.130279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9227.130279][ T903] netlink_rcv_skb+0x130/0x360 [ 9227.130279][ T903] netlink_unicast+0x449/0x710 [ 9227.130279][ T903] netlink_sendmsg+0x723/0xbe0 [ 9227.130279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9227.130279][ T903] ___sys_sendmsg+0xee/0x170 [ 9227.130279][ T903] __sys_sendmsg+0xcd/0x170 [ 9227.130279][ T903] do_syscall_64+0xc6/0x1e0 [ 9227.130279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9227.130279][ T903] [ 9237.373868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9237.374674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9237.374674][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9237.374674][ T903] ip6_validate_gw+0x3eb/0x790 [ 9237.374674][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9237.374674][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9237.374674][ T903] ip6_route_add+0x1c/0x140 [ 9237.374674][ T903] inet6_rtm_newroute+0x104/0x110 [ 9237.374674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.374674][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.374674][ T903] netlink_unicast+0x449/0x710 [ 9237.374674][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.374674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.374674][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.374674][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.374674][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.374674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9237.374674][ T903] [ 9237.376998][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9237.376998][ T903] netdev_get_by_index+0x5e/0x80 [ 9237.376998][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9237.376998][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9237.376998][ T903] ip6_route_add+0x1c/0x140 [ 9237.376998][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9237.376998][ T903] inet6_addr_add+0x4f8/0xa40 [ 9237.376998][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9237.376998][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.376998][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.376998][ T903] netlink_unicast+0x449/0x710 [ 9237.376998][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.376998][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.376998][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.376998][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.376998][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.376998][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9237.376998][ T903] [ 9237.379303][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9237.379303][ T903] netdev_get_by_index+0x5e/0x80 [ 9237.379303][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9237.379303][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9237.379303][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9237.379303][ T903] ipv6_add_addr+0x411/0x2000 [ 9237.379303][ T903] inet6_addr_add+0x30e/0xa40 [ 9237.379303][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9237.379303][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.379303][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.379303][ T903] netlink_unicast+0x449/0x710 [ 9237.379303][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.379303][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.379303][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.379303][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.379303][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.379303][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9237.379303][ T903] [ 9237.381642][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9237.381642][ T903] netdev_get_by_index+0x5e/0x80 [ 9237.381642][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9237.381642][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9237.381642][ T903] ip6_route_add+0x1c/0x140 [ 9237.381642][ T903] addrconf_add_mroute+0x129/0x180 [ 9237.381642][ T903] addrconf_add_dev+0xe2/0x170 [ 9237.381642][ T903] inet6_addr_add+0x12f/0xa40 [ 9237.381642][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9237.381642][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.381642][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.381642][ T903] netlink_unicast+0x449/0x710 [ 9237.381642][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.381642][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.381642][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.381642][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.381642][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.381642][ T903] [ 9237.384344][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9237.384344][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9237.384344][ T903] ipv6_find_idev+0x102/0x170 [ 9237.384344][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9237.384344][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.384344][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.384344][ T903] netlink_unicast+0x449/0x710 [ 9237.384344][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.384344][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.384344][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.384344][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.384344][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.384344][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9237.384344][ T903] [ 9237.386152][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9237.386152][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9237.386152][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9237.386152][ T903] ipv6_find_idev+0x102/0x170 [ 9237.386152][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9237.386152][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9237.386152][ T903] netlink_rcv_skb+0x130/0x360 [ 9237.386152][ T903] netlink_unicast+0x449/0x710 [ 9237.386152][ T903] netlink_sendmsg+0x723/0xbe0 [ 9237.386152][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9237.386152][ T903] ___sys_sendmsg+0xee/0x170 [ 9237.386152][ T903] __sys_sendmsg+0xcd/0x170 [ 9237.386152][ T903] do_syscall_64+0xc6/0x1e0 [ 9237.386152][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9237.386152][ T903] [ 9247.629883][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9247.630870][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9247.630870][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9247.630870][ T903] ip6_validate_gw+0x3eb/0x790 [ 9247.630870][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9247.630870][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9247.630870][ T903] ip6_route_add+0x1c/0x140 [ 9247.630870][ T903] inet6_rtm_newroute+0x104/0x110 [ 9247.630870][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.630870][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.630870][ T903] netlink_unicast+0x449/0x710 [ 9247.630870][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.630870][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.630870][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.630870][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.630870][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.630870][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9247.630870][ T903] [ 9247.633135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9247.633135][ T903] netdev_get_by_index+0x5e/0x80 [ 9247.633135][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9247.633135][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9247.633135][ T903] ip6_route_add+0x1c/0x140 [ 9247.633135][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9247.633135][ T903] inet6_addr_add+0x4f8/0xa40 [ 9247.633135][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9247.633135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.633135][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.633135][ T903] netlink_unicast+0x449/0x710 [ 9247.633135][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.633135][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.633135][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.633135][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.633135][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.633135][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9247.633135][ T903] [ 9247.635517][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9247.635517][ T903] netdev_get_by_index+0x5e/0x80 [ 9247.635517][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9247.635517][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9247.635517][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9247.635517][ T903] ipv6_add_addr+0x411/0x2000 [ 9247.635517][ T903] inet6_addr_add+0x30e/0xa40 [ 9247.635517][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9247.635517][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.635517][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.635517][ T903] netlink_unicast+0x449/0x710 [ 9247.635517][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.635517][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.635517][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.635517][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.635517][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.635517][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9247.635517][ T903] [ 9247.637903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9247.637903][ T903] netdev_get_by_index+0x5e/0x80 [ 9247.637903][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9247.637903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9247.637903][ T903] ip6_route_add+0x1c/0x140 [ 9247.637903][ T903] addrconf_add_mroute+0x129/0x180 [ 9247.637903][ T903] addrconf_add_dev+0xe2/0x170 [ 9247.637903][ T903] inet6_addr_add+0x12f/0xa40 [ 9247.637903][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9247.637903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.637903][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.637903][ T903] netlink_unicast+0x449/0x710 [ 9247.637903][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.637903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.637903][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.637903][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.637903][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.637903][ T903] [ 9247.640177][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9247.640177][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9247.640177][ T903] ipv6_find_idev+0x102/0x170 [ 9247.640177][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9247.640177][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.640177][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.640177][ T903] netlink_unicast+0x449/0x710 [ 9247.640177][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.640177][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.640177][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.640177][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.640177][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.640177][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9247.640177][ T903] [ 9247.642027][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9247.642027][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9247.642027][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9247.642027][ T903] ipv6_find_idev+0x102/0x170 [ 9247.642027][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9247.642027][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9247.642027][ T903] netlink_rcv_skb+0x130/0x360 [ 9247.642027][ T903] netlink_unicast+0x449/0x710 [ 9247.642027][ T903] netlink_sendmsg+0x723/0xbe0 [ 9247.642027][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9247.642027][ T903] ___sys_sendmsg+0xee/0x170 [ 9247.642027][ T903] __sys_sendmsg+0xcd/0x170 [ 9247.642027][ T903] do_syscall_64+0xc6/0x1e0 [ 9247.642027][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9247.642027][ T903] [ 9257.869819][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9257.870327][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9257.870327][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9257.870327][ T903] ip6_validate_gw+0x3eb/0x790 [ 9257.870327][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9257.870327][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9257.870327][ T903] ip6_route_add+0x1c/0x140 [ 9257.870327][ T903] inet6_rtm_newroute+0x104/0x110 [ 9257.870327][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.870327][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.870327][ T903] netlink_unicast+0x449/0x710 [ 9257.870327][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.870327][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.870327][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.870327][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.870327][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.870327][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9257.870327][ T903] [ 9257.872623][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9257.872623][ T903] netdev_get_by_index+0x5e/0x80 [ 9257.872623][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9257.872623][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9257.872623][ T903] ip6_route_add+0x1c/0x140 [ 9257.872623][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9257.872623][ T903] inet6_addr_add+0x4f8/0xa40 [ 9257.872623][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9257.872623][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.872623][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.872623][ T903] netlink_unicast+0x449/0x710 [ 9257.872623][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.872623][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.872623][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.872623][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.872623][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.872623][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9257.872623][ T903] [ 9257.874981][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9257.874981][ T903] netdev_get_by_index+0x5e/0x80 [ 9257.874981][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9257.874981][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9257.874981][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9257.874981][ T903] ipv6_add_addr+0x411/0x2000 [ 9257.874981][ T903] inet6_addr_add+0x30e/0xa40 [ 9257.874981][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9257.874981][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.874981][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.874981][ T903] netlink_unicast+0x449/0x710 [ 9257.874981][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.874981][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.874981][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.874981][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.874981][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.874981][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9257.874981][ T903] [ 9257.877319][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9257.877319][ T903] netdev_get_by_index+0x5e/0x80 [ 9257.877319][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9257.877319][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9257.877319][ T903] ip6_route_add+0x1c/0x140 [ 9257.877319][ T903] addrconf_add_mroute+0x129/0x180 [ 9257.877319][ T903] addrconf_add_dev+0xe2/0x170 [ 9257.877319][ T903] inet6_addr_add+0x12f/0xa40 [ 9257.877319][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9257.877319][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.877319][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.877319][ T903] netlink_unicast+0x449/0x710 [ 9257.877319][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.877319][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.877319][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.877319][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.877319][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.877319][ T903] [ 9257.879629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9257.879629][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9257.879629][ T903] ipv6_find_idev+0x102/0x170 [ 9257.879629][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9257.879629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.879629][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.879629][ T903] netlink_unicast+0x449/0x710 [ 9257.879629][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.879629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.879629][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.879629][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.879629][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.879629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9257.879629][ T903] [ 9257.881501][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9257.881501][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9257.881501][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9257.881501][ T903] ipv6_find_idev+0x102/0x170 [ 9257.881501][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9257.881501][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9257.881501][ T903] netlink_rcv_skb+0x130/0x360 [ 9257.881501][ T903] netlink_unicast+0x449/0x710 [ 9257.881501][ T903] netlink_sendmsg+0x723/0xbe0 [ 9257.881501][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9257.881501][ T903] ___sys_sendmsg+0xee/0x170 [ 9257.881501][ T903] __sys_sendmsg+0xcd/0x170 [ 9257.881501][ T903] do_syscall_64+0xc6/0x1e0 [ 9257.881501][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9257.881501][ T903] [ 9268.125837][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9268.126333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9268.126333][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9268.126333][ T903] ip6_validate_gw+0x3eb/0x790 [ 9268.126333][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9268.126333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9268.126333][ T903] ip6_route_add+0x1c/0x140 [ 9268.126333][ T903] inet6_rtm_newroute+0x104/0x110 [ 9268.126333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.126333][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.126333][ T903] netlink_unicast+0x449/0x710 [ 9268.126333][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.126333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.126333][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.126333][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.126333][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.126333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9268.126333][ T903] [ 9268.128584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9268.128584][ T903] netdev_get_by_index+0x5e/0x80 [ 9268.128584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9268.128584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9268.128584][ T903] ip6_route_add+0x1c/0x140 [ 9268.128584][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9268.128584][ T903] inet6_addr_add+0x4f8/0xa40 [ 9268.128584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9268.128584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.128584][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.128584][ T903] netlink_unicast+0x449/0x710 [ 9268.128584][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.128584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.128584][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.128584][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.128584][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.128584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9268.128584][ T903] [ 9268.131021][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9268.131021][ T903] netdev_get_by_index+0x5e/0x80 [ 9268.131021][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9268.131021][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9268.131021][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9268.131021][ T903] ipv6_add_addr+0x411/0x2000 [ 9268.131021][ T903] inet6_addr_add+0x30e/0xa40 [ 9268.131021][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9268.131021][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.131021][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.131021][ T903] netlink_unicast+0x449/0x710 [ 9268.131021][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.131021][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.131021][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.131021][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.131021][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.131021][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9268.131021][ T903] [ 9268.133370][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9268.133370][ T903] netdev_get_by_index+0x5e/0x80 [ 9268.133370][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9268.133370][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9268.133370][ T903] ip6_route_add+0x1c/0x140 [ 9268.133370][ T903] addrconf_add_mroute+0x129/0x180 [ 9268.133370][ T903] addrconf_add_dev+0xe2/0x170 [ 9268.133370][ T903] inet6_addr_add+0x12f/0xa40 [ 9268.133370][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9268.133370][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.133370][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.133370][ T903] netlink_unicast+0x449/0x710 [ 9268.133370][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.133370][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.133370][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.133370][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.133370][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.133370][ T903] [ 9268.135675][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9268.135675][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9268.135675][ T903] ipv6_find_idev+0x102/0x170 [ 9268.135675][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9268.135675][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.135675][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.135675][ T903] netlink_unicast+0x449/0x710 [ 9268.135675][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.135675][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.135675][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.135675][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.135675][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.135675][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9268.135675][ T903] [ 9268.137516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9268.137516][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9268.137516][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9268.137516][ T903] ipv6_find_idev+0x102/0x170 [ 9268.137516][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9268.137516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9268.137516][ T903] netlink_rcv_skb+0x130/0x360 [ 9268.137516][ T903] netlink_unicast+0x449/0x710 [ 9268.137516][ T903] netlink_sendmsg+0x723/0xbe0 [ 9268.137516][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9268.137516][ T903] ___sys_sendmsg+0xee/0x170 [ 9268.137516][ T903] __sys_sendmsg+0xcd/0x170 [ 9268.137516][ T903] do_syscall_64+0xc6/0x1e0 [ 9268.137516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9268.137516][ T903] [ 9278.381866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9278.382832][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9278.382832][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9278.382832][ T903] ip6_validate_gw+0x3eb/0x790 [ 9278.382832][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9278.382832][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9278.382832][ T903] ip6_route_add+0x1c/0x140 [ 9278.382832][ T903] inet6_rtm_newroute+0x104/0x110 [ 9278.382832][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.382832][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.382832][ T903] netlink_unicast+0x449/0x710 [ 9278.382832][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.382832][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.382832][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.382832][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.382832][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.382832][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9278.382832][ T903] [ 9278.385120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9278.385120][ T903] netdev_get_by_index+0x5e/0x80 [ 9278.385120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9278.385120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9278.385120][ T903] ip6_route_add+0x1c/0x140 [ 9278.385120][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9278.385120][ T903] inet6_addr_add+0x4f8/0xa40 [ 9278.385120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9278.385120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.385120][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.385120][ T903] netlink_unicast+0x449/0x710 [ 9278.385120][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.385120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.385120][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.385120][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.385120][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.385120][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9278.385120][ T903] [ 9278.387425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9278.387425][ T903] netdev_get_by_index+0x5e/0x80 [ 9278.387425][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9278.387425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9278.387425][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9278.387425][ T903] ipv6_add_addr+0x411/0x2000 [ 9278.387425][ T903] inet6_addr_add+0x30e/0xa40 [ 9278.387425][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9278.387425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.387425][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.387425][ T903] netlink_unicast+0x449/0x710 [ 9278.387425][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.387425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.387425][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.387425][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.387425][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.387425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9278.387425][ T903] [ 9278.389781][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9278.389781][ T903] netdev_get_by_index+0x5e/0x80 [ 9278.389781][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9278.389781][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9278.389781][ T903] ip6_route_add+0x1c/0x140 [ 9278.389781][ T903] addrconf_add_mroute+0x129/0x180 [ 9278.389781][ T903] addrconf_add_dev+0xe2/0x170 [ 9278.389781][ T903] inet6_addr_add+0x12f/0xa40 [ 9278.389781][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9278.389781][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.389781][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.389781][ T903] netlink_unicast+0x449/0x710 [ 9278.389781][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.389781][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.389781][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.389781][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.389781][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.389781][ T903] [ 9278.392130][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9278.392130][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9278.392130][ T903] ipv6_find_idev+0x102/0x170 [ 9278.392130][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9278.392130][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.392130][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.392130][ T903] netlink_unicast+0x449/0x710 [ 9278.392130][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.392130][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.392130][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.392130][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.392130][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.392130][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9278.392130][ T903] [ 9278.393959][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9278.393959][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9278.393959][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9278.393959][ T903] ipv6_find_idev+0x102/0x170 [ 9278.393959][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9278.393959][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9278.393959][ T903] netlink_rcv_skb+0x130/0x360 [ 9278.393959][ T903] netlink_unicast+0x449/0x710 [ 9278.393959][ T903] netlink_sendmsg+0x723/0xbe0 [ 9278.393959][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9278.393959][ T903] ___sys_sendmsg+0xee/0x170 [ 9278.393959][ T903] __sys_sendmsg+0xcd/0x170 [ 9278.393959][ T903] do_syscall_64+0xc6/0x1e0 [ 9278.393959][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9278.393959][ T903] [ 9288.637868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9288.638288][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9288.638288][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9288.638288][ T903] ip6_validate_gw+0x3eb/0x790 [ 9288.638288][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9288.638288][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9288.638288][ T903] ip6_route_add+0x1c/0x140 [ 9288.638288][ T903] inet6_rtm_newroute+0x104/0x110 [ 9288.638288][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.638288][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.638288][ T903] netlink_unicast+0x449/0x710 [ 9288.638288][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.638288][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.638288][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.638288][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.638288][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.638288][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9288.638288][ T903] [ 9288.640483][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9288.640483][ T903] netdev_get_by_index+0x5e/0x80 [ 9288.640483][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9288.640483][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9288.640483][ T903] ip6_route_add+0x1c/0x140 [ 9288.640483][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9288.640483][ T903] inet6_addr_add+0x4f8/0xa40 [ 9288.640483][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9288.640483][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.640483][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.640483][ T903] netlink_unicast+0x449/0x710 [ 9288.640483][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.640483][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.640483][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.640483][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.640483][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.640483][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9288.640483][ T903] [ 9288.642852][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9288.642852][ T903] netdev_get_by_index+0x5e/0x80 [ 9288.642852][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9288.642852][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9288.642852][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9288.642852][ T903] ipv6_add_addr+0x411/0x2000 [ 9288.642852][ T903] inet6_addr_add+0x30e/0xa40 [ 9288.642852][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9288.642852][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.642852][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.642852][ T903] netlink_unicast+0x449/0x710 [ 9288.642852][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.642852][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.642852][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.642852][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.642852][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.642852][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9288.642852][ T903] [ 9288.645188][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9288.645188][ T903] netdev_get_by_index+0x5e/0x80 [ 9288.645188][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9288.645188][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9288.645188][ T903] ip6_route_add+0x1c/0x140 [ 9288.645188][ T903] addrconf_add_mroute+0x129/0x180 [ 9288.645188][ T903] addrconf_add_dev+0xe2/0x170 [ 9288.645188][ T903] inet6_addr_add+0x12f/0xa40 [ 9288.645188][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9288.645188][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.645188][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.645188][ T903] netlink_unicast+0x449/0x710 [ 9288.645188][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.645188][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.645188][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.645188][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.645188][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.645188][ T903] [ 9288.647521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9288.647521][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9288.647521][ T903] ipv6_find_idev+0x102/0x170 [ 9288.647521][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9288.647521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.647521][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.647521][ T903] netlink_unicast+0x449/0x710 [ 9288.647521][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.647521][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.647521][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.647521][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.647521][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.647521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9288.647521][ T903] [ 9288.649333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9288.649333][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9288.649333][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9288.649333][ T903] ipv6_find_idev+0x102/0x170 [ 9288.649333][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9288.649333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9288.649333][ T903] netlink_rcv_skb+0x130/0x360 [ 9288.649333][ T903] netlink_unicast+0x449/0x710 [ 9288.649333][ T903] netlink_sendmsg+0x723/0xbe0 [ 9288.649333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9288.649333][ T903] ___sys_sendmsg+0xee/0x170 [ 9288.649333][ T903] __sys_sendmsg+0xcd/0x170 [ 9288.649333][ T903] do_syscall_64+0xc6/0x1e0 [ 9288.649333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9288.649333][ T903] [ 9298.757869][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9298.758807][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9298.758807][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9298.758807][ T903] ip6_validate_gw+0x3eb/0x790 [ 9298.758807][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9298.758807][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9298.758807][ T903] ip6_route_add+0x1c/0x140 [ 9298.758807][ T903] inet6_rtm_newroute+0x104/0x110 [ 9298.758807][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.758807][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.758807][ T903] netlink_unicast+0x449/0x710 [ 9298.758807][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.758807][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.758807][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.758807][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.758807][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.758807][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9298.758807][ T903] [ 9298.761605][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9298.761605][ T903] netdev_get_by_index+0x5e/0x80 [ 9298.761605][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9298.761605][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9298.761605][ T903] ip6_route_add+0x1c/0x140 [ 9298.761605][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9298.761605][ T903] inet6_addr_add+0x4f8/0xa40 [ 9298.761605][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9298.761605][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.761605][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.761605][ T903] netlink_unicast+0x449/0x710 [ 9298.761605][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.761605][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.761605][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.761605][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.761605][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.761605][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9298.761605][ T903] [ 9298.763880][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9298.763880][ T903] netdev_get_by_index+0x5e/0x80 [ 9298.763880][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9298.763880][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9298.763880][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9298.763880][ T903] ipv6_add_addr+0x411/0x2000 [ 9298.763880][ T903] inet6_addr_add+0x30e/0xa40 [ 9298.763880][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9298.763880][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.763880][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.763880][ T903] netlink_unicast+0x449/0x710 [ 9298.763880][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.763880][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.763880][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.763880][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.763880][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.763880][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9298.763880][ T903] [ 9298.766190][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9298.766190][ T903] netdev_get_by_index+0x5e/0x80 [ 9298.766190][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9298.766190][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9298.766190][ T903] ip6_route_add+0x1c/0x140 [ 9298.766190][ T903] addrconf_add_mroute+0x129/0x180 [ 9298.766190][ T903] addrconf_add_dev+0xe2/0x170 [ 9298.766190][ T903] inet6_addr_add+0x12f/0xa40 [ 9298.766190][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9298.766190][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.766190][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.766190][ T903] netlink_unicast+0x449/0x710 [ 9298.766190][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.766190][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.766190][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.766190][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.766190][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.766190][ T903] [ 9298.768455][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9298.768455][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9298.768455][ T903] ipv6_find_idev+0x102/0x170 [ 9298.768455][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9298.768455][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.768455][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.768455][ T903] netlink_unicast+0x449/0x710 [ 9298.768455][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.768455][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.768455][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.768455][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.768455][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.768455][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9298.768455][ T903] [ 9298.770326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9298.770326][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9298.770326][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9298.770326][ T903] ipv6_find_idev+0x102/0x170 [ 9298.770326][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9298.770326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9298.770326][ T903] netlink_rcv_skb+0x130/0x360 [ 9298.770326][ T903] netlink_unicast+0x449/0x710 [ 9298.770326][ T903] netlink_sendmsg+0x723/0xbe0 [ 9298.770326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9298.770326][ T903] ___sys_sendmsg+0xee/0x170 [ 9298.770326][ T903] __sys_sendmsg+0xcd/0x170 [ 9298.770326][ T903] do_syscall_64+0xc6/0x1e0 [ 9298.770326][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9298.770326][ T903] [ 9309.021865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9309.022403][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9309.022403][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9309.022403][ T903] ip6_validate_gw+0x3eb/0x790 [ 9309.022403][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9309.022403][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9309.022403][ T903] ip6_route_add+0x1c/0x140 [ 9309.022403][ T903] inet6_rtm_newroute+0x104/0x110 [ 9309.022403][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.022403][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.022403][ T903] netlink_unicast+0x449/0x710 [ 9309.022403][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.022403][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.022403][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.022403][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.022403][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.022403][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9309.022403][ T903] [ 9309.024676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9309.024676][ T903] netdev_get_by_index+0x5e/0x80 [ 9309.024676][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9309.024676][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9309.024676][ T903] ip6_route_add+0x1c/0x140 [ 9309.024676][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9309.024676][ T903] inet6_addr_add+0x4f8/0xa40 [ 9309.024676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9309.024676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.024676][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.024676][ T903] netlink_unicast+0x449/0x710 [ 9309.024676][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.024676][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.024676][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.024676][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.024676][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.024676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9309.024676][ T903] [ 9309.027079][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9309.027079][ T903] netdev_get_by_index+0x5e/0x80 [ 9309.027079][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9309.027079][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9309.027079][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9309.027079][ T903] ipv6_add_addr+0x411/0x2000 [ 9309.027079][ T903] inet6_addr_add+0x30e/0xa40 [ 9309.027079][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9309.027079][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.027079][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.027079][ T903] netlink_unicast+0x449/0x710 [ 9309.027079][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.027079][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.027079][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.027079][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.027079][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.027079][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9309.027079][ T903] [ 9309.029463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9309.029463][ T903] netdev_get_by_index+0x5e/0x80 [ 9309.029463][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9309.029463][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9309.029463][ T903] ip6_route_add+0x1c/0x140 [ 9309.029463][ T903] addrconf_add_mroute+0x129/0x180 [ 9309.029463][ T903] addrconf_add_dev+0xe2/0x170 [ 9309.029463][ T903] inet6_addr_add+0x12f/0xa40 [ 9309.029463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9309.029463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.029463][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.029463][ T903] netlink_unicast+0x449/0x710 [ 9309.029463][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.029463][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.029463][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.029463][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.029463][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.029463][ T903] [ 9309.031803][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9309.031803][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9309.031803][ T903] ipv6_find_idev+0x102/0x170 [ 9309.031803][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9309.031803][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.031803][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.031803][ T903] netlink_unicast+0x449/0x710 [ 9309.031803][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.031803][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.031803][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.031803][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.031803][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.031803][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9309.031803][ T903] [ 9309.033598][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9309.033598][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9309.033598][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9309.033598][ T903] ipv6_find_idev+0x102/0x170 [ 9309.033598][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9309.033598][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9309.033598][ T903] netlink_rcv_skb+0x130/0x360 [ 9309.033598][ T903] netlink_unicast+0x449/0x710 [ 9309.033598][ T903] netlink_sendmsg+0x723/0xbe0 [ 9309.033598][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9309.033598][ T903] ___sys_sendmsg+0xee/0x170 [ 9309.033598][ T903] __sys_sendmsg+0xcd/0x170 [ 9309.033598][ T903] do_syscall_64+0xc6/0x1e0 [ 9309.033598][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9309.033598][ T903] [ 9319.285950][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9319.286732][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9319.286732][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9319.286732][ T903] ip6_validate_gw+0x3eb/0x790 [ 9319.286732][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9319.286732][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9319.286732][ T903] ip6_route_add+0x1c/0x140 [ 9319.286732][ T903] inet6_rtm_newroute+0x104/0x110 [ 9319.286732][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.286732][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.286732][ T903] netlink_unicast+0x449/0x710 [ 9319.286732][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.286732][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.286732][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.286732][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.286732][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.286732][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9319.286732][ T903] [ 9319.288956][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9319.288956][ T903] netdev_get_by_index+0x5e/0x80 [ 9319.288956][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9319.288956][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9319.288956][ T903] ip6_route_add+0x1c/0x140 [ 9319.288956][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9319.288956][ T903] inet6_addr_add+0x4f8/0xa40 [ 9319.288956][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9319.288956][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.288956][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.288956][ T903] netlink_unicast+0x449/0x710 [ 9319.288956][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.288956][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.288956][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.288956][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.288956][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.288956][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9319.288956][ T903] [ 9319.291473][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9319.291473][ T903] netdev_get_by_index+0x5e/0x80 [ 9319.291473][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9319.291473][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9319.291473][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9319.291473][ T903] ipv6_add_addr+0x411/0x2000 [ 9319.291473][ T903] inet6_addr_add+0x30e/0xa40 [ 9319.291473][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9319.291473][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.291473][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.291473][ T903] netlink_unicast+0x449/0x710 [ 9319.291473][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.291473][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.291473][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.291473][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.291473][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.291473][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9319.291473][ T903] [ 9319.293872][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9319.293872][ T903] netdev_get_by_index+0x5e/0x80 [ 9319.293872][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9319.293872][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9319.293872][ T903] ip6_route_add+0x1c/0x140 [ 9319.293872][ T903] addrconf_add_mroute+0x129/0x180 [ 9319.293872][ T903] addrconf_add_dev+0xe2/0x170 [ 9319.293872][ T903] inet6_addr_add+0x12f/0xa40 [ 9319.293872][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9319.293872][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.293872][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.293872][ T903] netlink_unicast+0x449/0x710 [ 9319.293872][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.293872][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.293872][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.293872][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.293872][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.293872][ T903] [ 9319.296171][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9319.296171][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9319.296171][ T903] ipv6_find_idev+0x102/0x170 [ 9319.296171][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9319.296171][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.296171][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.296171][ T903] netlink_unicast+0x449/0x710 [ 9319.296171][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.296171][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.296171][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.296171][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.296171][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.296171][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9319.296171][ T903] [ 9319.298038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9319.298038][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9319.298038][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9319.298038][ T903] ipv6_find_idev+0x102/0x170 [ 9319.298038][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9319.298038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9319.298038][ T903] netlink_rcv_skb+0x130/0x360 [ 9319.298038][ T903] netlink_unicast+0x449/0x710 [ 9319.298038][ T903] netlink_sendmsg+0x723/0xbe0 [ 9319.298038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9319.298038][ T903] ___sys_sendmsg+0xee/0x170 [ 9319.298038][ T903] __sys_sendmsg+0xcd/0x170 [ 9319.298038][ T903] do_syscall_64+0xc6/0x1e0 [ 9319.298038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9319.298038][ T903] [ 9329.549817][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9329.550316][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9329.550316][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9329.550316][ T903] ip6_validate_gw+0x3eb/0x790 [ 9329.550316][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9329.550316][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9329.550316][ T903] ip6_route_add+0x1c/0x140 [ 9329.550316][ T903] inet6_rtm_newroute+0x104/0x110 [ 9329.550316][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.550316][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.550316][ T903] netlink_unicast+0x449/0x710 [ 9329.550316][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.550316][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.550316][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.550316][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.550316][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.550316][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9329.550316][ T903] [ 9329.552603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9329.552603][ T903] netdev_get_by_index+0x5e/0x80 [ 9329.552603][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9329.552603][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9329.552603][ T903] ip6_route_add+0x1c/0x140 [ 9329.552603][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9329.552603][ T903] inet6_addr_add+0x4f8/0xa40 [ 9329.552603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9329.552603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.552603][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.552603][ T903] netlink_unicast+0x449/0x710 [ 9329.552603][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.552603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.552603][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.552603][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.552603][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.552603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9329.552603][ T903] [ 9329.554955][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9329.554955][ T903] netdev_get_by_index+0x5e/0x80 [ 9329.554955][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9329.554955][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9329.554955][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9329.554955][ T903] ipv6_add_addr+0x411/0x2000 [ 9329.554955][ T903] inet6_addr_add+0x30e/0xa40 [ 9329.554955][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9329.554955][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.554955][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.554955][ T903] netlink_unicast+0x449/0x710 [ 9329.554955][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.554955][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.554955][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.554955][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.554955][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.554955][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9329.554955][ T903] [ 9329.557259][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9329.557259][ T903] netdev_get_by_index+0x5e/0x80 [ 9329.557259][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9329.557259][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9329.557259][ T903] ip6_route_add+0x1c/0x140 [ 9329.557259][ T903] addrconf_add_mroute+0x129/0x180 [ 9329.557259][ T903] addrconf_add_dev+0xe2/0x170 [ 9329.557259][ T903] inet6_addr_add+0x12f/0xa40 [ 9329.557259][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9329.557259][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.557259][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.557259][ T903] netlink_unicast+0x449/0x710 [ 9329.557259][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.557259][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.557259][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.557259][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.557259][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.557259][ T903] [ 9329.559566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9329.559566][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9329.559566][ T903] ipv6_find_idev+0x102/0x170 [ 9329.559566][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9329.559566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.559566][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.559566][ T903] netlink_unicast+0x449/0x710 [ 9329.559566][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.559566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.559566][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.559566][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.559566][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.559566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9329.559566][ T903] [ 9329.561402][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9329.561402][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9329.561402][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9329.561402][ T903] ipv6_find_idev+0x102/0x170 [ 9329.561402][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9329.561402][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9329.561402][ T903] netlink_rcv_skb+0x130/0x360 [ 9329.561402][ T903] netlink_unicast+0x449/0x710 [ 9329.561402][ T903] netlink_sendmsg+0x723/0xbe0 [ 9329.561402][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9329.561402][ T903] ___sys_sendmsg+0xee/0x170 [ 9329.561402][ T903] __sys_sendmsg+0xcd/0x170 [ 9329.561402][ T903] do_syscall_64+0xc6/0x1e0 [ 9329.561402][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9329.561402][ T903] [ 9339.805949][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9339.806903][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9339.806903][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9339.806903][ T903] ip6_validate_gw+0x3eb/0x790 [ 9339.806903][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9339.806903][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9339.806903][ T903] ip6_route_add+0x1c/0x140 [ 9339.806903][ T903] inet6_rtm_newroute+0x104/0x110 [ 9339.806903][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.806903][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.806903][ T903] netlink_unicast+0x449/0x710 [ 9339.806903][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.806903][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.806903][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.806903][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.806903][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.806903][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9339.806903][ T903] [ 9339.809207][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9339.809207][ T903] netdev_get_by_index+0x5e/0x80 [ 9339.809207][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9339.809207][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9339.809207][ T903] ip6_route_add+0x1c/0x140 [ 9339.809207][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9339.809207][ T903] inet6_addr_add+0x4f8/0xa40 [ 9339.809207][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9339.809207][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.809207][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.809207][ T903] netlink_unicast+0x449/0x710 [ 9339.809207][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.809207][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.809207][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.809207][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.809207][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.809207][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9339.809207][ T903] [ 9339.811632][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9339.811632][ T903] netdev_get_by_index+0x5e/0x80 [ 9339.811632][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9339.811632][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9339.811632][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9339.811632][ T903] ipv6_add_addr+0x411/0x2000 [ 9339.811632][ T903] inet6_addr_add+0x30e/0xa40 [ 9339.811632][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9339.811632][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.811632][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.811632][ T903] netlink_unicast+0x449/0x710 [ 9339.811632][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.811632][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.811632][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.811632][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.811632][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.811632][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9339.811632][ T903] [ 9339.814481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9339.814481][ T903] netdev_get_by_index+0x5e/0x80 [ 9339.814481][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9339.814481][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9339.814481][ T903] ip6_route_add+0x1c/0x140 [ 9339.814481][ T903] addrconf_add_mroute+0x129/0x180 [ 9339.814481][ T903] addrconf_add_dev+0xe2/0x170 [ 9339.814481][ T903] inet6_addr_add+0x12f/0xa40 [ 9339.814481][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9339.814481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.814481][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.814481][ T903] netlink_unicast+0x449/0x710 [ 9339.814481][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.814481][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.814481][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.814481][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.814481][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.814481][ T903] [ 9339.816873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9339.816873][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9339.816873][ T903] ipv6_find_idev+0x102/0x170 [ 9339.816873][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9339.816873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.816873][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.816873][ T903] netlink_unicast+0x449/0x710 [ 9339.816873][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.816873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.816873][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.816873][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.816873][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.816873][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9339.816873][ T903] [ 9339.818629][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9339.818629][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9339.818629][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9339.818629][ T903] ipv6_find_idev+0x102/0x170 [ 9339.818629][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9339.818629][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9339.818629][ T903] netlink_rcv_skb+0x130/0x360 [ 9339.818629][ T903] netlink_unicast+0x449/0x710 [ 9339.818629][ T903] netlink_sendmsg+0x723/0xbe0 [ 9339.818629][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9339.818629][ T903] ___sys_sendmsg+0xee/0x170 [ 9339.818629][ T903] __sys_sendmsg+0xcd/0x170 [ 9339.818629][ T903] do_syscall_64+0xc6/0x1e0 [ 9339.818629][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9339.818629][ T903] [ 9350.070016][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9350.070637][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9350.070637][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9350.070637][ T903] ip6_validate_gw+0x3eb/0x790 [ 9350.070637][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9350.070637][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9350.070637][ T903] ip6_route_add+0x1c/0x140 [ 9350.070637][ T903] inet6_rtm_newroute+0x104/0x110 [ 9350.070637][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.070637][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.070637][ T903] netlink_unicast+0x449/0x710 [ 9350.070637][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.070637][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.070637][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.070637][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.070637][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.070637][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9350.070637][ T903] [ 9350.072900][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9350.072900][ T903] netdev_get_by_index+0x5e/0x80 [ 9350.072900][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9350.072900][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9350.072900][ T903] ip6_route_add+0x1c/0x140 [ 9350.072900][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9350.072900][ T903] inet6_addr_add+0x4f8/0xa40 [ 9350.072900][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9350.072900][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.072900][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.072900][ T903] netlink_unicast+0x449/0x710 [ 9350.072900][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.072900][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.072900][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.072900][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.072900][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.072900][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9350.072900][ T903] [ 9350.075185][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9350.075185][ T903] netdev_get_by_index+0x5e/0x80 [ 9350.075185][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9350.075185][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9350.075185][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9350.075185][ T903] ipv6_add_addr+0x411/0x2000 [ 9350.075185][ T903] inet6_addr_add+0x30e/0xa40 [ 9350.075185][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9350.075185][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.075185][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.075185][ T903] netlink_unicast+0x449/0x710 [ 9350.075185][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.075185][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.075185][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.075185][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.075185][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.075185][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9350.075185][ T903] [ 9350.077498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9350.077498][ T903] netdev_get_by_index+0x5e/0x80 [ 9350.077498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9350.077498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9350.077498][ T903] ip6_route_add+0x1c/0x140 [ 9350.077498][ T903] addrconf_add_mroute+0x129/0x180 [ 9350.077498][ T903] addrconf_add_dev+0xe2/0x170 [ 9350.077498][ T903] inet6_addr_add+0x12f/0xa40 [ 9350.077498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9350.077498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.077498][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.077498][ T903] netlink_unicast+0x449/0x710 [ 9350.077498][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.077498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.077498][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.077498][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.077498][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.077498][ T903] [ 9350.079835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9350.079835][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9350.079835][ T903] ipv6_find_idev+0x102/0x170 [ 9350.079835][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9350.079835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.079835][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.079835][ T903] netlink_unicast+0x449/0x710 [ 9350.079835][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.079835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.079835][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.079835][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.079835][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.079835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9350.079835][ T903] [ 9350.082044][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9350.082044][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9350.082044][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9350.082044][ T903] ipv6_find_idev+0x102/0x170 [ 9350.082044][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9350.082044][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9350.082044][ T903] netlink_rcv_skb+0x130/0x360 [ 9350.082044][ T903] netlink_unicast+0x449/0x710 [ 9350.082044][ T903] netlink_sendmsg+0x723/0xbe0 [ 9350.082044][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9350.082044][ T903] ___sys_sendmsg+0xee/0x170 [ 9350.082044][ T903] __sys_sendmsg+0xcd/0x170 [ 9350.082044][ T903] do_syscall_64+0xc6/0x1e0 [ 9350.082044][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9350.082044][ T903] [ 9360.333873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9360.334664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9360.334664][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9360.334664][ T903] ip6_validate_gw+0x3eb/0x790 [ 9360.334664][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9360.334664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9360.334664][ T903] ip6_route_add+0x1c/0x140 [ 9360.334664][ T903] inet6_rtm_newroute+0x104/0x110 [ 9360.334664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.334664][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.334664][ T903] netlink_unicast+0x449/0x710 [ 9360.334664][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.334664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.334664][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.334664][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.334664][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.334664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9360.334664][ T903] [ 9360.336927][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9360.336927][ T903] netdev_get_by_index+0x5e/0x80 [ 9360.336927][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9360.336927][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9360.336927][ T903] ip6_route_add+0x1c/0x140 [ 9360.336927][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9360.336927][ T903] inet6_addr_add+0x4f8/0xa40 [ 9360.336927][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9360.336927][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.336927][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.336927][ T903] netlink_unicast+0x449/0x710 [ 9360.336927][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.336927][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.336927][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.336927][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.336927][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.336927][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9360.336927][ T903] [ 9360.339334][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9360.339334][ T903] netdev_get_by_index+0x5e/0x80 [ 9360.339334][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9360.339334][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9360.339334][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9360.339334][ T903] ipv6_add_addr+0x411/0x2000 [ 9360.339334][ T903] inet6_addr_add+0x30e/0xa40 [ 9360.339334][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9360.339334][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.339334][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.339334][ T903] netlink_unicast+0x449/0x710 [ 9360.339334][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.339334][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.339334][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.339334][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.339334][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.339334][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9360.339334][ T903] [ 9360.341748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9360.341748][ T903] netdev_get_by_index+0x5e/0x80 [ 9360.341748][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9360.341748][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9360.341748][ T903] ip6_route_add+0x1c/0x140 [ 9360.341748][ T903] addrconf_add_mroute+0x129/0x180 [ 9360.341748][ T903] addrconf_add_dev+0xe2/0x170 [ 9360.341748][ T903] inet6_addr_add+0x12f/0xa40 [ 9360.341748][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9360.341748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.341748][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.341748][ T903] netlink_unicast+0x449/0x710 [ 9360.341748][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.341748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.341748][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.341748][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.341748][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.341748][ T903] [ 9360.344115][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9360.344115][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9360.344115][ T903] ipv6_find_idev+0x102/0x170 [ 9360.344115][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9360.344115][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.344115][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.344115][ T903] netlink_unicast+0x449/0x710 [ 9360.344115][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.344115][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.344115][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.344115][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.344115][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.344115][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9360.344115][ T903] [ 9360.345910][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9360.345910][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9360.345910][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9360.345910][ T903] ipv6_find_idev+0x102/0x170 [ 9360.345910][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9360.345910][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9360.345910][ T903] netlink_rcv_skb+0x130/0x360 [ 9360.345910][ T903] netlink_unicast+0x449/0x710 [ 9360.345910][ T903] netlink_sendmsg+0x723/0xbe0 [ 9360.345910][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9360.345910][ T903] ___sys_sendmsg+0xee/0x170 [ 9360.345910][ T903] __sys_sendmsg+0xcd/0x170 [ 9360.345910][ T903] do_syscall_64+0xc6/0x1e0 [ 9360.345910][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9360.345910][ T903] [ 9370.397838][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9370.398251][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9370.398251][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9370.398251][ T903] ip6_validate_gw+0x3eb/0x790 [ 9370.398251][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9370.398251][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9370.398251][ T903] ip6_route_add+0x1c/0x140 [ 9370.398251][ T903] inet6_rtm_newroute+0x104/0x110 [ 9370.398251][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.398251][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.398251][ T903] netlink_unicast+0x449/0x710 [ 9370.398251][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.398251][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.398251][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.398251][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.398251][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.398251][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9370.398251][ T903] [ 9370.400537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9370.400537][ T903] netdev_get_by_index+0x5e/0x80 [ 9370.400537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9370.400537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9370.400537][ T903] ip6_route_add+0x1c/0x140 [ 9370.400537][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9370.400537][ T903] inet6_addr_add+0x4f8/0xa40 [ 9370.400537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9370.400537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.400537][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.400537][ T903] netlink_unicast+0x449/0x710 [ 9370.400537][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.400537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.400537][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.400537][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.400537][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.400537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9370.400537][ T903] [ 9370.402968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9370.402968][ T903] netdev_get_by_index+0x5e/0x80 [ 9370.402968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9370.402968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9370.402968][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9370.402968][ T903] ipv6_add_addr+0x411/0x2000 [ 9370.402968][ T903] inet6_addr_add+0x30e/0xa40 [ 9370.402968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9370.402968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.402968][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.402968][ T903] netlink_unicast+0x449/0x710 [ 9370.402968][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.402968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.402968][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.402968][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.402968][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.402968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9370.402968][ T903] [ 9370.405264][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9370.405264][ T903] netdev_get_by_index+0x5e/0x80 [ 9370.405264][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9370.405264][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9370.405264][ T903] ip6_route_add+0x1c/0x140 [ 9370.405264][ T903] addrconf_add_mroute+0x129/0x180 [ 9370.405264][ T903] addrconf_add_dev+0xe2/0x170 [ 9370.405264][ T903] inet6_addr_add+0x12f/0xa40 [ 9370.405264][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9370.405264][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.405264][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.405264][ T903] netlink_unicast+0x449/0x710 [ 9370.405264][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.405264][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.405264][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.405264][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.405264][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.405264][ T903] [ 9370.407593][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9370.407593][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9370.407593][ T903] ipv6_find_idev+0x102/0x170 [ 9370.407593][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9370.407593][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.407593][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.407593][ T903] netlink_unicast+0x449/0x710 [ 9370.407593][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.407593][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.407593][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.407593][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.407593][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.407593][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9370.407593][ T903] [ 9370.409467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9370.409467][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9370.409467][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9370.409467][ T903] ipv6_find_idev+0x102/0x170 [ 9370.409467][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9370.409467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9370.409467][ T903] netlink_rcv_skb+0x130/0x360 [ 9370.409467][ T903] netlink_unicast+0x449/0x710 [ 9370.409467][ T903] netlink_sendmsg+0x723/0xbe0 [ 9370.409467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9370.409467][ T903] ___sys_sendmsg+0xee/0x170 [ 9370.409467][ T903] __sys_sendmsg+0xcd/0x170 [ 9370.409467][ T903] do_syscall_64+0xc6/0x1e0 [ 9370.409467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9370.409467][ T903] [ 9380.429814][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9380.430247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9380.430247][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9380.430247][ T903] ip6_validate_gw+0x3eb/0x790 [ 9380.430247][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9380.430247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9380.430247][ T903] ip6_route_add+0x1c/0x140 [ 9380.430247][ T903] inet6_rtm_newroute+0x104/0x110 [ 9380.430247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.430247][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.430247][ T903] netlink_unicast+0x449/0x710 [ 9380.430247][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.430247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.430247][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.430247][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.430247][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.430247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9380.430247][ T903] [ 9380.432502][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9380.432502][ T903] netdev_get_by_index+0x5e/0x80 [ 9380.432502][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9380.432502][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9380.432502][ T903] ip6_route_add+0x1c/0x140 [ 9380.432502][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9380.432502][ T903] inet6_addr_add+0x4f8/0xa40 [ 9380.432502][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9380.432502][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.432502][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.432502][ T903] netlink_unicast+0x449/0x710 [ 9380.432502][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.432502][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.432502][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.432502][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.432502][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.432502][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9380.432502][ T903] [ 9380.434899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9380.434899][ T903] netdev_get_by_index+0x5e/0x80 [ 9380.434899][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9380.434899][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9380.434899][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9380.434899][ T903] ipv6_add_addr+0x411/0x2000 [ 9380.434899][ T903] inet6_addr_add+0x30e/0xa40 [ 9380.434899][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9380.434899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.434899][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.434899][ T903] netlink_unicast+0x449/0x710 [ 9380.434899][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.434899][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.434899][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.434899][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.434899][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.434899][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9380.434899][ T903] [ 9380.437294][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9380.437294][ T903] netdev_get_by_index+0x5e/0x80 [ 9380.437294][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9380.437294][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9380.437294][ T903] ip6_route_add+0x1c/0x140 [ 9380.437294][ T903] addrconf_add_mroute+0x129/0x180 [ 9380.437294][ T903] addrconf_add_dev+0xe2/0x170 [ 9380.437294][ T903] inet6_addr_add+0x12f/0xa40 [ 9380.437294][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9380.437294][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.437294][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.437294][ T903] netlink_unicast+0x449/0x710 [ 9380.437294][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.437294][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.437294][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.437294][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.437294][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.437294][ T903] [ 9380.439665][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9380.439665][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9380.439665][ T903] ipv6_find_idev+0x102/0x170 [ 9380.439665][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9380.439665][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.439665][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.439665][ T903] netlink_unicast+0x449/0x710 [ 9380.439665][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.439665][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.439665][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.439665][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.439665][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.439665][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9380.439665][ T903] [ 9380.441515][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9380.441515][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9380.441515][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9380.441515][ T903] ipv6_find_idev+0x102/0x170 [ 9380.441515][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9380.441515][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9380.441515][ T903] netlink_rcv_skb+0x130/0x360 [ 9380.441515][ T903] netlink_unicast+0x449/0x710 [ 9380.441515][ T903] netlink_sendmsg+0x723/0xbe0 [ 9380.441515][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9380.441515][ T903] ___sys_sendmsg+0xee/0x170 [ 9380.441515][ T903] __sys_sendmsg+0xcd/0x170 [ 9380.441515][ T903] do_syscall_64+0xc6/0x1e0 [ 9380.441515][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9380.441515][ T903] [ 9390.685865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9390.686690][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9390.686690][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9390.686690][ T903] ip6_validate_gw+0x3eb/0x790 [ 9390.686690][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9390.686690][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9390.686690][ T903] ip6_route_add+0x1c/0x140 [ 9390.686690][ T903] inet6_rtm_newroute+0x104/0x110 [ 9390.686690][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.686690][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.686690][ T903] netlink_unicast+0x449/0x710 [ 9390.686690][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.686690][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.686690][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.686690][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.686690][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.686690][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9390.686690][ T903] [ 9390.688951][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9390.688951][ T903] netdev_get_by_index+0x5e/0x80 [ 9390.688951][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9390.688951][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9390.688951][ T903] ip6_route_add+0x1c/0x140 [ 9390.688951][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9390.688951][ T903] inet6_addr_add+0x4f8/0xa40 [ 9390.688951][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9390.688951][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.688951][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.688951][ T903] netlink_unicast+0x449/0x710 [ 9390.688951][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.688951][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.688951][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.688951][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.688951][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.688951][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9390.688951][ T903] [ 9390.691400][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9390.691400][ T903] netdev_get_by_index+0x5e/0x80 [ 9390.691400][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9390.691400][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9390.691400][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9390.691400][ T903] ipv6_add_addr+0x411/0x2000 [ 9390.691400][ T903] inet6_addr_add+0x30e/0xa40 [ 9390.691400][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9390.691400][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.691400][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.691400][ T903] netlink_unicast+0x449/0x710 [ 9390.691400][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.691400][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.691400][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.691400][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.691400][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.691400][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9390.691400][ T903] [ 9390.693829][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9390.693829][ T903] netdev_get_by_index+0x5e/0x80 [ 9390.693829][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9390.693829][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9390.693829][ T903] ip6_route_add+0x1c/0x140 [ 9390.693829][ T903] addrconf_add_mroute+0x129/0x180 [ 9390.693829][ T903] addrconf_add_dev+0xe2/0x170 [ 9390.693829][ T903] inet6_addr_add+0x12f/0xa40 [ 9390.693829][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9390.693829][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.693829][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.693829][ T903] netlink_unicast+0x449/0x710 [ 9390.693829][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.693829][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.693829][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.693829][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.693829][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.693829][ T903] [ 9390.696172][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9390.696172][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9390.696172][ T903] ipv6_find_idev+0x102/0x170 [ 9390.696172][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9390.696172][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.696172][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.696172][ T903] netlink_unicast+0x449/0x710 [ 9390.696172][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.696172][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.696172][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.696172][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.696172][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.696172][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9390.696172][ T903] [ 9390.697966][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9390.697966][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9390.697966][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9390.697966][ T903] ipv6_find_idev+0x102/0x170 [ 9390.697966][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9390.697966][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9390.697966][ T903] netlink_rcv_skb+0x130/0x360 [ 9390.697966][ T903] netlink_unicast+0x449/0x710 [ 9390.697966][ T903] netlink_sendmsg+0x723/0xbe0 [ 9390.697966][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9390.697966][ T903] ___sys_sendmsg+0xee/0x170 [ 9390.697966][ T903] __sys_sendmsg+0xcd/0x170 [ 9390.697966][ T903] do_syscall_64+0xc6/0x1e0 [ 9390.697966][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9390.697966][ T903] [ 9400.941880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9400.942843][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9400.942843][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9400.942843][ T903] ip6_validate_gw+0x3eb/0x790 [ 9400.942843][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9400.942843][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9400.942843][ T903] ip6_route_add+0x1c/0x140 [ 9400.942843][ T903] inet6_rtm_newroute+0x104/0x110 [ 9400.942843][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.942843][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.942843][ T903] netlink_unicast+0x449/0x710 [ 9400.942843][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.942843][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.942843][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.942843][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.942843][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.942843][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9400.942843][ T903] [ 9400.945080][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9400.945080][ T903] netdev_get_by_index+0x5e/0x80 [ 9400.945080][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9400.945080][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9400.945080][ T903] ip6_route_add+0x1c/0x140 [ 9400.945080][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9400.945080][ T903] inet6_addr_add+0x4f8/0xa40 [ 9400.945080][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9400.945080][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.945080][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.945080][ T903] netlink_unicast+0x449/0x710 [ 9400.945080][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.945080][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.945080][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.945080][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.945080][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.945080][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9400.945080][ T903] [ 9400.947524][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9400.947524][ T903] netdev_get_by_index+0x5e/0x80 [ 9400.947524][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9400.947524][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9400.947524][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9400.947524][ T903] ipv6_add_addr+0x411/0x2000 [ 9400.947524][ T903] inet6_addr_add+0x30e/0xa40 [ 9400.947524][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9400.947524][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.947524][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.947524][ T903] netlink_unicast+0x449/0x710 [ 9400.947524][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.947524][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.947524][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.947524][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.947524][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.947524][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9400.947524][ T903] [ 9400.949969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9400.949969][ T903] netdev_get_by_index+0x5e/0x80 [ 9400.949969][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9400.949969][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9400.949969][ T903] ip6_route_add+0x1c/0x140 [ 9400.949969][ T903] addrconf_add_mroute+0x129/0x180 [ 9400.949969][ T903] addrconf_add_dev+0xe2/0x170 [ 9400.949969][ T903] inet6_addr_add+0x12f/0xa40 [ 9400.949969][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9400.949969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.949969][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.949969][ T903] netlink_unicast+0x449/0x710 [ 9400.949969][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.949969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.949969][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.949969][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.949969][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.949969][ T903] [ 9400.952324][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9400.952324][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9400.952324][ T903] ipv6_find_idev+0x102/0x170 [ 9400.952324][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9400.952324][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.952324][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.952324][ T903] netlink_unicast+0x449/0x710 [ 9400.952324][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.952324][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.952324][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.952324][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.952324][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.952324][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9400.952324][ T903] [ 9400.954183][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9400.954183][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9400.954183][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9400.954183][ T903] ipv6_find_idev+0x102/0x170 [ 9400.954183][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9400.954183][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9400.954183][ T903] netlink_rcv_skb+0x130/0x360 [ 9400.954183][ T903] netlink_unicast+0x449/0x710 [ 9400.954183][ T903] netlink_sendmsg+0x723/0xbe0 [ 9400.954183][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9400.954183][ T903] ___sys_sendmsg+0xee/0x170 [ 9400.954183][ T903] __sys_sendmsg+0xcd/0x170 [ 9400.954183][ T903] do_syscall_64+0xc6/0x1e0 [ 9400.954183][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9400.954183][ T903] [ 9411.197867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9411.198343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9411.198343][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9411.198343][ T903] ip6_validate_gw+0x3eb/0x790 [ 9411.198343][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9411.198343][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9411.198343][ T903] ip6_route_add+0x1c/0x140 [ 9411.198343][ T903] inet6_rtm_newroute+0x104/0x110 [ 9411.198343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.198343][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.198343][ T903] netlink_unicast+0x449/0x710 [ 9411.198343][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.198343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.198343][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.198343][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.198343][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.198343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9411.198343][ T903] [ 9411.201108][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9411.201108][ T903] netdev_get_by_index+0x5e/0x80 [ 9411.201108][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9411.201108][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9411.201108][ T903] ip6_route_add+0x1c/0x140 [ 9411.201108][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9411.201108][ T903] inet6_addr_add+0x4f8/0xa40 [ 9411.201108][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9411.201108][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.201108][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.201108][ T903] netlink_unicast+0x449/0x710 [ 9411.201108][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.201108][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.201108][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.201108][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.201108][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.201108][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9411.201108][ T903] [ 9411.203519][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9411.203519][ T903] netdev_get_by_index+0x5e/0x80 [ 9411.203519][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9411.203519][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9411.203519][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9411.203519][ T903] ipv6_add_addr+0x411/0x2000 [ 9411.203519][ T903] inet6_addr_add+0x30e/0xa40 [ 9411.203519][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9411.203519][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.203519][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.203519][ T903] netlink_unicast+0x449/0x710 [ 9411.203519][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.203519][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.203519][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.203519][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.203519][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.203519][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9411.203519][ T903] [ 9411.205867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9411.205867][ T903] netdev_get_by_index+0x5e/0x80 [ 9411.205867][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9411.205867][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9411.205867][ T903] ip6_route_add+0x1c/0x140 [ 9411.205867][ T903] addrconf_add_mroute+0x129/0x180 [ 9411.205867][ T903] addrconf_add_dev+0xe2/0x170 [ 9411.205867][ T903] inet6_addr_add+0x12f/0xa40 [ 9411.205867][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9411.205867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.205867][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.205867][ T903] netlink_unicast+0x449/0x710 [ 9411.205867][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.205867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.205867][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.205867][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.205867][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.205867][ T903] [ 9411.208235][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9411.208235][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9411.208235][ T903] ipv6_find_idev+0x102/0x170 [ 9411.208235][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9411.208235][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.208235][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.208235][ T903] netlink_unicast+0x449/0x710 [ 9411.208235][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.208235][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.208235][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.208235][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.208235][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.208235][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9411.208235][ T903] [ 9411.210087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9411.210087][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9411.210087][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9411.210087][ T903] ipv6_find_idev+0x102/0x170 [ 9411.210087][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9411.210087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9411.210087][ T903] netlink_rcv_skb+0x130/0x360 [ 9411.210087][ T903] netlink_unicast+0x449/0x710 [ 9411.210087][ T903] netlink_sendmsg+0x723/0xbe0 [ 9411.210087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9411.210087][ T903] ___sys_sendmsg+0xee/0x170 [ 9411.210087][ T903] __sys_sendmsg+0xcd/0x170 [ 9411.210087][ T903] do_syscall_64+0xc6/0x1e0 [ 9411.210087][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9411.210087][ T903] [ 9421.453863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9421.454615][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9421.454615][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9421.454615][ T903] ip6_validate_gw+0x3eb/0x790 [ 9421.454615][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9421.454615][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9421.454615][ T903] ip6_route_add+0x1c/0x140 [ 9421.454615][ T903] inet6_rtm_newroute+0x104/0x110 [ 9421.454615][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.454615][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.454615][ T903] netlink_unicast+0x449/0x710 [ 9421.454615][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.454615][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.454615][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.454615][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.454615][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.454615][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9421.454615][ T903] [ 9421.456873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9421.456873][ T903] netdev_get_by_index+0x5e/0x80 [ 9421.456873][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9421.456873][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9421.456873][ T903] ip6_route_add+0x1c/0x140 [ 9421.456873][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9421.456873][ T903] inet6_addr_add+0x4f8/0xa40 [ 9421.456873][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9421.456873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.456873][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.456873][ T903] netlink_unicast+0x449/0x710 [ 9421.456873][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.456873][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.456873][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.456873][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.456873][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.456873][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9421.456873][ T903] [ 9421.459243][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9421.459243][ T903] netdev_get_by_index+0x5e/0x80 [ 9421.459243][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9421.459243][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9421.459243][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9421.459243][ T903] ipv6_add_addr+0x411/0x2000 [ 9421.459243][ T903] inet6_addr_add+0x30e/0xa40 [ 9421.459243][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9421.459243][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.459243][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.459243][ T903] netlink_unicast+0x449/0x710 [ 9421.459243][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.459243][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.459243][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.459243][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.459243][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.459243][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9421.459243][ T903] [ 9421.461617][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9421.461617][ T903] netdev_get_by_index+0x5e/0x80 [ 9421.461617][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9421.461617][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9421.461617][ T903] ip6_route_add+0x1c/0x140 [ 9421.461617][ T903] addrconf_add_mroute+0x129/0x180 [ 9421.461617][ T903] addrconf_add_dev+0xe2/0x170 [ 9421.461617][ T903] inet6_addr_add+0x12f/0xa40 [ 9421.461617][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9421.461617][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.461617][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.461617][ T903] netlink_unicast+0x449/0x710 [ 9421.461617][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.461617][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.461617][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.461617][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.461617][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.461617][ T903] [ 9421.463890][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9421.463890][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9421.463890][ T903] ipv6_find_idev+0x102/0x170 [ 9421.463890][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9421.463890][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.463890][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.463890][ T903] netlink_unicast+0x449/0x710 [ 9421.463890][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.463890][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.463890][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.463890][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.463890][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.463890][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9421.463890][ T903] [ 9421.465702][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9421.465702][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9421.465702][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9421.465702][ T903] ipv6_find_idev+0x102/0x170 [ 9421.465702][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9421.465702][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9421.465702][ T903] netlink_rcv_skb+0x130/0x360 [ 9421.465702][ T903] netlink_unicast+0x449/0x710 [ 9421.465702][ T903] netlink_sendmsg+0x723/0xbe0 [ 9421.465702][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9421.465702][ T903] ___sys_sendmsg+0xee/0x170 [ 9421.465702][ T903] __sys_sendmsg+0xcd/0x170 [ 9421.465702][ T903] do_syscall_64+0xc6/0x1e0 [ 9421.465702][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9421.465702][ T903] [ 9431.701873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9431.702785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9431.702785][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9431.702785][ T903] ip6_validate_gw+0x3eb/0x790 [ 9431.702785][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9431.702785][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9431.702785][ T903] ip6_route_add+0x1c/0x140 [ 9431.702785][ T903] inet6_rtm_newroute+0x104/0x110 [ 9431.702785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.702785][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.702785][ T903] netlink_unicast+0x449/0x710 [ 9431.702785][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.702785][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.702785][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.702785][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.702785][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.702785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9431.702785][ T903] [ 9431.705049][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9431.705049][ T903] netdev_get_by_index+0x5e/0x80 [ 9431.705049][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9431.705049][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9431.705049][ T903] ip6_route_add+0x1c/0x140 [ 9431.705049][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9431.705049][ T903] inet6_addr_add+0x4f8/0xa40 [ 9431.705049][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9431.705049][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.705049][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.705049][ T903] netlink_unicast+0x449/0x710 [ 9431.705049][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.705049][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.705049][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.705049][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.705049][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.705049][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9431.705049][ T903] [ 9431.707381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9431.707381][ T903] netdev_get_by_index+0x5e/0x80 [ 9431.707381][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9431.707381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9431.707381][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9431.707381][ T903] ipv6_add_addr+0x411/0x2000 [ 9431.707381][ T903] inet6_addr_add+0x30e/0xa40 [ 9431.707381][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9431.707381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.707381][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.707381][ T903] netlink_unicast+0x449/0x710 [ 9431.707381][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.707381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.707381][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.707381][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.707381][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.707381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9431.707381][ T903] [ 9431.709707][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9431.709707][ T903] netdev_get_by_index+0x5e/0x80 [ 9431.709707][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9431.709707][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9431.709707][ T903] ip6_route_add+0x1c/0x140 [ 9431.709707][ T903] addrconf_add_mroute+0x129/0x180 [ 9431.709707][ T903] addrconf_add_dev+0xe2/0x170 [ 9431.709707][ T903] inet6_addr_add+0x12f/0xa40 [ 9431.709707][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9431.709707][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.709707][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.709707][ T903] netlink_unicast+0x449/0x710 [ 9431.709707][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.709707][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.709707][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.709707][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.709707][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.709707][ T903] [ 9431.712105][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9431.712105][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9431.712105][ T903] ipv6_find_idev+0x102/0x170 [ 9431.712105][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9431.712105][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.712105][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.712105][ T903] netlink_unicast+0x449/0x710 [ 9431.712105][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.712105][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.712105][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.712105][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.712105][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.712105][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9431.712105][ T903] [ 9431.713972][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9431.713972][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9431.713972][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9431.713972][ T903] ipv6_find_idev+0x102/0x170 [ 9431.713972][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9431.713972][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9431.713972][ T903] netlink_rcv_skb+0x130/0x360 [ 9431.713972][ T903] netlink_unicast+0x449/0x710 [ 9431.713972][ T903] netlink_sendmsg+0x723/0xbe0 [ 9431.713972][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9431.713972][ T903] ___sys_sendmsg+0xee/0x170 [ 9431.713972][ T903] __sys_sendmsg+0xcd/0x170 [ 9431.713972][ T903] do_syscall_64+0xc6/0x1e0 [ 9431.713972][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9431.713972][ T903] [ 9441.957950][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9441.958696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9441.958696][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9441.958696][ T903] ip6_validate_gw+0x3eb/0x790 [ 9441.958696][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9441.958696][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9441.958696][ T903] ip6_route_add+0x1c/0x140 [ 9441.958696][ T903] inet6_rtm_newroute+0x104/0x110 [ 9441.958696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.958696][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.958696][ T903] netlink_unicast+0x449/0x710 [ 9441.958696][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.958696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.958696][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.958696][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.958696][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.958696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9441.958696][ T903] [ 9441.960932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9441.960932][ T903] netdev_get_by_index+0x5e/0x80 [ 9441.960932][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9441.960932][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9441.960932][ T903] ip6_route_add+0x1c/0x140 [ 9441.960932][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9441.960932][ T903] inet6_addr_add+0x4f8/0xa40 [ 9441.960932][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9441.960932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.960932][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.960932][ T903] netlink_unicast+0x449/0x710 [ 9441.960932][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.960932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.960932][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.960932][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.960932][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.960932][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9441.960932][ T903] [ 9441.964055][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9441.964055][ T903] netdev_get_by_index+0x5e/0x80 [ 9441.964055][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9441.964055][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9441.964055][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9441.964055][ T903] ipv6_add_addr+0x411/0x2000 [ 9441.964055][ T903] inet6_addr_add+0x30e/0xa40 [ 9441.964055][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9441.964055][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.964055][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.964055][ T903] netlink_unicast+0x449/0x710 [ 9441.964055][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.964055][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.964055][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.964055][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.964055][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.964055][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9441.964055][ T903] [ 9441.966483][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9441.966483][ T903] netdev_get_by_index+0x5e/0x80 [ 9441.966483][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9441.966483][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9441.966483][ T903] ip6_route_add+0x1c/0x140 [ 9441.966483][ T903] addrconf_add_mroute+0x129/0x180 [ 9441.966483][ T903] addrconf_add_dev+0xe2/0x170 [ 9441.966483][ T903] inet6_addr_add+0x12f/0xa40 [ 9441.966483][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9441.966483][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.966483][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.966483][ T903] netlink_unicast+0x449/0x710 [ 9441.966483][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.966483][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.966483][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.966483][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.966483][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.966483][ T903] [ 9441.968865][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9441.968865][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9441.968865][ T903] ipv6_find_idev+0x102/0x170 [ 9441.968865][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9441.968865][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.968865][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.968865][ T903] netlink_unicast+0x449/0x710 [ 9441.968865][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.968865][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.968865][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.968865][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.968865][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.968865][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9441.968865][ T903] [ 9441.970719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9441.970719][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9441.970719][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9441.970719][ T903] ipv6_find_idev+0x102/0x170 [ 9441.970719][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9441.970719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9441.970719][ T903] netlink_rcv_skb+0x130/0x360 [ 9441.970719][ T903] netlink_unicast+0x449/0x710 [ 9441.970719][ T903] netlink_sendmsg+0x723/0xbe0 [ 9441.970719][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9441.970719][ T903] ___sys_sendmsg+0xee/0x170 [ 9441.970719][ T903] __sys_sendmsg+0xcd/0x170 [ 9441.970719][ T903] do_syscall_64+0xc6/0x1e0 [ 9441.970719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9441.970719][ T903] [ 9452.213880][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9452.214834][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9452.214834][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9452.214834][ T903] ip6_validate_gw+0x3eb/0x790 [ 9452.214834][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9452.214834][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9452.214834][ T903] ip6_route_add+0x1c/0x140 [ 9452.214834][ T903] inet6_rtm_newroute+0x104/0x110 [ 9452.214834][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.214834][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.214834][ T903] netlink_unicast+0x449/0x710 [ 9452.214834][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.214834][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.214834][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.214834][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.214834][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.214834][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9452.214834][ T903] [ 9452.217182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9452.217182][ T903] netdev_get_by_index+0x5e/0x80 [ 9452.217182][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9452.217182][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9452.217182][ T903] ip6_route_add+0x1c/0x140 [ 9452.217182][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9452.217182][ T903] inet6_addr_add+0x4f8/0xa40 [ 9452.217182][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9452.217182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.217182][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.217182][ T903] netlink_unicast+0x449/0x710 [ 9452.217182][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.217182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.217182][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.217182][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.217182][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.217182][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9452.217182][ T903] [ 9452.219678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9452.219678][ T903] netdev_get_by_index+0x5e/0x80 [ 9452.219678][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9452.219678][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9452.219678][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9452.219678][ T903] ipv6_add_addr+0x411/0x2000 [ 9452.219678][ T903] inet6_addr_add+0x30e/0xa40 [ 9452.219678][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9452.219678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.219678][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.219678][ T903] netlink_unicast+0x449/0x710 [ 9452.219678][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.219678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.219678][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.219678][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.219678][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.219678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9452.219678][ T903] [ 9452.222194][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9452.222194][ T903] netdev_get_by_index+0x5e/0x80 [ 9452.222194][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9452.222194][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9452.222194][ T903] ip6_route_add+0x1c/0x140 [ 9452.222194][ T903] addrconf_add_mroute+0x129/0x180 [ 9452.222194][ T903] addrconf_add_dev+0xe2/0x170 [ 9452.222194][ T903] inet6_addr_add+0x12f/0xa40 [ 9452.222194][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9452.222194][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.222194][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.222194][ T903] netlink_unicast+0x449/0x710 [ 9452.222194][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.222194][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.222194][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.222194][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.222194][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.222194][ T903] [ 9452.224602][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9452.224602][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9452.224602][ T903] ipv6_find_idev+0x102/0x170 [ 9452.224602][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9452.224602][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.224602][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.224602][ T903] netlink_unicast+0x449/0x710 [ 9452.224602][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.224602][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.224602][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.224602][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.224602][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.224602][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9452.224602][ T903] [ 9452.226467][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9452.226467][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9452.226467][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9452.226467][ T903] ipv6_find_idev+0x102/0x170 [ 9452.226467][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9452.226467][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9452.226467][ T903] netlink_rcv_skb+0x130/0x360 [ 9452.226467][ T903] netlink_unicast+0x449/0x710 [ 9452.226467][ T903] netlink_sendmsg+0x723/0xbe0 [ 9452.226467][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9452.226467][ T903] ___sys_sendmsg+0xee/0x170 [ 9452.226467][ T903] __sys_sendmsg+0xcd/0x170 [ 9452.226467][ T903] do_syscall_64+0xc6/0x1e0 [ 9452.226467][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9452.226467][ T903] [ 9462.373865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9462.374869][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9462.374869][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9462.374869][ T903] ip6_validate_gw+0x3eb/0x790 [ 9462.374869][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9462.374869][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9462.374869][ T903] ip6_route_add+0x1c/0x140 [ 9462.374869][ T903] inet6_rtm_newroute+0x104/0x110 [ 9462.374869][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.374869][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.374869][ T903] netlink_unicast+0x449/0x710 [ 9462.374869][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.374869][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.374869][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.374869][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.374869][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.374869][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9462.374869][ T903] [ 9462.377315][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9462.377315][ T903] netdev_get_by_index+0x5e/0x80 [ 9462.377315][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9462.377315][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9462.377315][ T903] ip6_route_add+0x1c/0x140 [ 9462.377315][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9462.377315][ T903] inet6_addr_add+0x4f8/0xa40 [ 9462.377315][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9462.377315][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.377315][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.377315][ T903] netlink_unicast+0x449/0x710 [ 9462.377315][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.377315][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.377315][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.377315][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.377315][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.377315][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9462.377315][ T903] [ 9462.379749][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9462.379749][ T903] netdev_get_by_index+0x5e/0x80 [ 9462.379749][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9462.379749][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9462.379749][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9462.379749][ T903] ipv6_add_addr+0x411/0x2000 [ 9462.379749][ T903] inet6_addr_add+0x30e/0xa40 [ 9462.379749][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9462.379749][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.379749][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.379749][ T903] netlink_unicast+0x449/0x710 [ 9462.379749][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.379749][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.379749][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.379749][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.379749][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.379749][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9462.379749][ T903] [ 9462.382126][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9462.382126][ T903] netdev_get_by_index+0x5e/0x80 [ 9462.382126][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9462.382126][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9462.382126][ T903] ip6_route_add+0x1c/0x140 [ 9462.382126][ T903] addrconf_add_mroute+0x129/0x180 [ 9462.382126][ T903] addrconf_add_dev+0xe2/0x170 [ 9462.382126][ T903] inet6_addr_add+0x12f/0xa40 [ 9462.382126][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9462.382126][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.382126][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.382126][ T903] netlink_unicast+0x449/0x710 [ 9462.382126][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.382126][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.382126][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.382126][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.382126][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.382126][ T903] [ 9462.384581][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9462.384581][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9462.384581][ T903] ipv6_find_idev+0x102/0x170 [ 9462.384581][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9462.384581][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.384581][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.384581][ T903] netlink_unicast+0x449/0x710 [ 9462.384581][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.384581][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.384581][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.384581][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.384581][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.384581][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9462.384581][ T903] [ 9462.386424][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9462.386424][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9462.386424][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9462.386424][ T903] ipv6_find_idev+0x102/0x170 [ 9462.386424][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9462.386424][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9462.386424][ T903] netlink_rcv_skb+0x130/0x360 [ 9462.386424][ T903] netlink_unicast+0x449/0x710 [ 9462.386424][ T903] netlink_sendmsg+0x723/0xbe0 [ 9462.386424][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9462.386424][ T903] ___sys_sendmsg+0xee/0x170 [ 9462.386424][ T903] __sys_sendmsg+0xcd/0x170 [ 9462.386424][ T903] do_syscall_64+0xc6/0x1e0 [ 9462.386424][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9462.386424][ T903] [ 9472.637898][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9472.638648][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9472.638648][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9472.638648][ T903] ip6_validate_gw+0x3eb/0x790 [ 9472.638648][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9472.638648][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9472.638648][ T903] ip6_route_add+0x1c/0x140 [ 9472.638648][ T903] inet6_rtm_newroute+0x104/0x110 [ 9472.638648][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.638648][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.638648][ T903] netlink_unicast+0x449/0x710 [ 9472.638648][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.638648][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.638648][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.638648][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.638648][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.638648][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9472.638648][ T903] [ 9472.640958][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9472.640958][ T903] netdev_get_by_index+0x5e/0x80 [ 9472.640958][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9472.640958][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9472.640958][ T903] ip6_route_add+0x1c/0x140 [ 9472.640958][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9472.640958][ T903] inet6_addr_add+0x4f8/0xa40 [ 9472.640958][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9472.640958][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.640958][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.640958][ T903] netlink_unicast+0x449/0x710 [ 9472.640958][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.640958][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.640958][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.640958][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.640958][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.640958][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9472.640958][ T903] [ 9472.643234][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9472.643234][ T903] netdev_get_by_index+0x5e/0x80 [ 9472.643234][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9472.643234][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9472.643234][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9472.643234][ T903] ipv6_add_addr+0x411/0x2000 [ 9472.643234][ T903] inet6_addr_add+0x30e/0xa40 [ 9472.643234][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9472.643234][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.643234][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.643234][ T903] netlink_unicast+0x449/0x710 [ 9472.643234][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.643234][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.643234][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.643234][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.643234][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.643234][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9472.643234][ T903] [ 9472.645546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9472.645546][ T903] netdev_get_by_index+0x5e/0x80 [ 9472.645546][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9472.645546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9472.645546][ T903] ip6_route_add+0x1c/0x140 [ 9472.645546][ T903] addrconf_add_mroute+0x129/0x180 [ 9472.645546][ T903] addrconf_add_dev+0xe2/0x170 [ 9472.645546][ T903] inet6_addr_add+0x12f/0xa40 [ 9472.645546][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9472.645546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.645546][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.645546][ T903] netlink_unicast+0x449/0x710 [ 9472.645546][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.645546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.645546][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.645546][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.645546][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.645546][ T903] [ 9472.647845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9472.647845][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9472.647845][ T903] ipv6_find_idev+0x102/0x170 [ 9472.647845][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9472.647845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.647845][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.647845][ T903] netlink_unicast+0x449/0x710 [ 9472.647845][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.647845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.647845][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.647845][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.647845][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.647845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9472.647845][ T903] [ 9472.649696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9472.649696][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9472.649696][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9472.649696][ T903] ipv6_find_idev+0x102/0x170 [ 9472.649696][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9472.649696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9472.649696][ T903] netlink_rcv_skb+0x130/0x360 [ 9472.649696][ T903] netlink_unicast+0x449/0x710 [ 9472.649696][ T903] netlink_sendmsg+0x723/0xbe0 [ 9472.649696][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9472.649696][ T903] ___sys_sendmsg+0xee/0x170 [ 9472.649696][ T903] __sys_sendmsg+0xcd/0x170 [ 9472.649696][ T903] do_syscall_64+0xc6/0x1e0 [ 9472.649696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9472.649696][ T903] [ 9482.901863][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9482.902853][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9482.902853][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9482.902853][ T903] ip6_validate_gw+0x3eb/0x790 [ 9482.902853][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9482.902853][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9482.902853][ T903] ip6_route_add+0x1c/0x140 [ 9482.902853][ T903] inet6_rtm_newroute+0x104/0x110 [ 9482.902853][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.902853][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.902853][ T903] netlink_unicast+0x449/0x710 [ 9482.902853][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.902853][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.902853][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.902853][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.902853][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.902853][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9482.902853][ T903] [ 9482.905122][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9482.905122][ T903] netdev_get_by_index+0x5e/0x80 [ 9482.905122][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9482.905122][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9482.905122][ T903] ip6_route_add+0x1c/0x140 [ 9482.905122][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9482.905122][ T903] inet6_addr_add+0x4f8/0xa40 [ 9482.905122][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9482.905122][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.905122][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.905122][ T903] netlink_unicast+0x449/0x710 [ 9482.905122][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.905122][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.905122][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.905122][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.905122][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.905122][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9482.905122][ T903] [ 9482.907431][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9482.907431][ T903] netdev_get_by_index+0x5e/0x80 [ 9482.907431][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9482.907431][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9482.907431][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9482.907431][ T903] ipv6_add_addr+0x411/0x2000 [ 9482.907431][ T903] inet6_addr_add+0x30e/0xa40 [ 9482.907431][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9482.907431][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.907431][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.907431][ T903] netlink_unicast+0x449/0x710 [ 9482.907431][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.907431][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.907431][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.907431][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.907431][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.907431][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9482.907431][ T903] [ 9482.909777][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9482.909777][ T903] netdev_get_by_index+0x5e/0x80 [ 9482.909777][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9482.909777][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9482.909777][ T903] ip6_route_add+0x1c/0x140 [ 9482.909777][ T903] addrconf_add_mroute+0x129/0x180 [ 9482.909777][ T903] addrconf_add_dev+0xe2/0x170 [ 9482.909777][ T903] inet6_addr_add+0x12f/0xa40 [ 9482.909777][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9482.909777][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.909777][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.909777][ T903] netlink_unicast+0x449/0x710 [ 9482.909777][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.909777][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.909777][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.909777][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.909777][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.909777][ T903] [ 9482.912035][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9482.912035][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9482.912035][ T903] ipv6_find_idev+0x102/0x170 [ 9482.912035][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9482.912035][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.912035][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.912035][ T903] netlink_unicast+0x449/0x710 [ 9482.912035][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.912035][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.912035][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.912035][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.912035][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.912035][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9482.912035][ T903] [ 9482.913861][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9482.913861][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9482.913861][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9482.913861][ T903] ipv6_find_idev+0x102/0x170 [ 9482.913861][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9482.913861][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9482.913861][ T903] netlink_rcv_skb+0x130/0x360 [ 9482.913861][ T903] netlink_unicast+0x449/0x710 [ 9482.913861][ T903] netlink_sendmsg+0x723/0xbe0 [ 9482.913861][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9482.913861][ T903] ___sys_sendmsg+0xee/0x170 [ 9482.913861][ T903] __sys_sendmsg+0xcd/0x170 [ 9482.913861][ T903] do_syscall_64+0xc6/0x1e0 [ 9482.913861][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9482.913861][ T903] [ 9493.165861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9493.166371][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9493.166371][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9493.166371][ T903] ip6_validate_gw+0x3eb/0x790 [ 9493.166371][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9493.166371][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9493.166371][ T903] ip6_route_add+0x1c/0x140 [ 9493.166371][ T903] inet6_rtm_newroute+0x104/0x110 [ 9493.166371][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.166371][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.166371][ T903] netlink_unicast+0x449/0x710 [ 9493.166371][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.166371][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.166371][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.166371][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.166371][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.166371][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9493.166371][ T903] [ 9493.168664][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9493.168664][ T903] netdev_get_by_index+0x5e/0x80 [ 9493.168664][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9493.168664][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9493.168664][ T903] ip6_route_add+0x1c/0x140 [ 9493.168664][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9493.168664][ T903] inet6_addr_add+0x4f8/0xa40 [ 9493.168664][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9493.168664][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.168664][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.168664][ T903] netlink_unicast+0x449/0x710 [ 9493.168664][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.168664][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.168664][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.168664][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.168664][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.168664][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9493.168664][ T903] [ 9493.171097][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9493.171097][ T903] netdev_get_by_index+0x5e/0x80 [ 9493.171097][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9493.171097][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9493.171097][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9493.171097][ T903] ipv6_add_addr+0x411/0x2000 [ 9493.171097][ T903] inet6_addr_add+0x30e/0xa40 [ 9493.171097][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9493.171097][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.171097][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.171097][ T903] netlink_unicast+0x449/0x710 [ 9493.171097][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.171097][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.171097][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.171097][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.171097][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.171097][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9493.171097][ T903] [ 9493.173394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9493.173394][ T903] netdev_get_by_index+0x5e/0x80 [ 9493.173394][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9493.173394][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9493.173394][ T903] ip6_route_add+0x1c/0x140 [ 9493.173394][ T903] addrconf_add_mroute+0x129/0x180 [ 9493.173394][ T903] addrconf_add_dev+0xe2/0x170 [ 9493.173394][ T903] inet6_addr_add+0x12f/0xa40 [ 9493.173394][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9493.173394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.173394][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.173394][ T903] netlink_unicast+0x449/0x710 [ 9493.173394][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.173394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.173394][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.173394][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.173394][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.173394][ T903] [ 9493.175769][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9493.175769][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9493.175769][ T903] ipv6_find_idev+0x102/0x170 [ 9493.175769][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9493.175769][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.175769][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.175769][ T903] netlink_unicast+0x449/0x710 [ 9493.175769][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.175769][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.175769][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.175769][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.175769][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.175769][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9493.175769][ T903] [ 9493.177606][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9493.177606][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9493.177606][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9493.177606][ T903] ipv6_find_idev+0x102/0x170 [ 9493.177606][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9493.177606][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9493.177606][ T903] netlink_rcv_skb+0x130/0x360 [ 9493.177606][ T903] netlink_unicast+0x449/0x710 [ 9493.177606][ T903] netlink_sendmsg+0x723/0xbe0 [ 9493.177606][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9493.177606][ T903] ___sys_sendmsg+0xee/0x170 [ 9493.177606][ T903] __sys_sendmsg+0xcd/0x170 [ 9493.177606][ T903] do_syscall_64+0xc6/0x1e0 [ 9493.177606][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9493.177606][ T903] [ 9503.421844][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9503.422426][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9503.422426][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9503.422426][ T903] ip6_validate_gw+0x3eb/0x790 [ 9503.422426][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9503.422426][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9503.422426][ T903] ip6_route_add+0x1c/0x140 [ 9503.422426][ T903] inet6_rtm_newroute+0x104/0x110 [ 9503.422426][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.422426][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.422426][ T903] netlink_unicast+0x449/0x710 [ 9503.422426][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.422426][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.422426][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.422426][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.422426][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.422426][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9503.422426][ T903] [ 9503.424613][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9503.424613][ T903] netdev_get_by_index+0x5e/0x80 [ 9503.424613][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9503.424613][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9503.424613][ T903] ip6_route_add+0x1c/0x140 [ 9503.424613][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9503.424613][ T903] inet6_addr_add+0x4f8/0xa40 [ 9503.424613][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9503.424613][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.424613][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.424613][ T903] netlink_unicast+0x449/0x710 [ 9503.424613][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.424613][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.424613][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.424613][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.424613][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.424613][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9503.424613][ T903] [ 9503.426937][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9503.426937][ T903] netdev_get_by_index+0x5e/0x80 [ 9503.426937][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9503.426937][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9503.426937][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9503.426937][ T903] ipv6_add_addr+0x411/0x2000 [ 9503.426937][ T903] inet6_addr_add+0x30e/0xa40 [ 9503.426937][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9503.426937][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.426937][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.426937][ T903] netlink_unicast+0x449/0x710 [ 9503.426937][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.426937][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.426937][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.426937][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.426937][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.426937][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9503.426937][ T903] [ 9503.430770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9503.430770][ T903] netdev_get_by_index+0x5e/0x80 [ 9503.430770][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9503.430770][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9503.430770][ T903] ip6_route_add+0x1c/0x140 [ 9503.430770][ T903] addrconf_add_mroute+0x129/0x180 [ 9503.430770][ T903] addrconf_add_dev+0xe2/0x170 [ 9503.430770][ T903] inet6_addr_add+0x12f/0xa40 [ 9503.430770][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9503.430770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.430770][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.430770][ T903] netlink_unicast+0x449/0x710 [ 9503.430770][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.430770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.430770][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.430770][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.430770][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.430770][ T903] [ 9503.434600][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9503.434600][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9503.434600][ T903] ipv6_find_idev+0x102/0x170 [ 9503.434600][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9503.434600][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.434600][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.434600][ T903] netlink_unicast+0x449/0x710 [ 9503.434600][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.434600][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.434600][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.434600][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.434600][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.434600][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9503.434600][ T903] [ 9503.437434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9503.437434][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9503.437434][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9503.437434][ T903] ipv6_find_idev+0x102/0x170 [ 9503.437434][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9503.437434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9503.437434][ T903] netlink_rcv_skb+0x130/0x360 [ 9503.437434][ T903] netlink_unicast+0x449/0x710 [ 9503.437434][ T903] netlink_sendmsg+0x723/0xbe0 [ 9503.437434][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9503.437434][ T903] ___sys_sendmsg+0xee/0x170 [ 9503.437434][ T903] __sys_sendmsg+0xcd/0x170 [ 9503.437434][ T903] do_syscall_64+0xc6/0x1e0 [ 9503.437434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9503.437434][ T903] [ 9513.693844][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9513.694331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9513.694331][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9513.694331][ T903] ip6_validate_gw+0x3eb/0x790 [ 9513.694331][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9513.694331][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9513.694331][ T903] ip6_route_add+0x1c/0x140 [ 9513.694331][ T903] inet6_rtm_newroute+0x104/0x110 [ 9513.694331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.694331][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.694331][ T903] netlink_unicast+0x449/0x710 [ 9513.694331][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.694331][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.694331][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.694331][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.694331][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.694331][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9513.694331][ T903] [ 9513.696548][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9513.696548][ T903] netdev_get_by_index+0x5e/0x80 [ 9513.696548][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9513.696548][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9513.696548][ T903] ip6_route_add+0x1c/0x140 [ 9513.696548][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9513.696548][ T903] inet6_addr_add+0x4f8/0xa40 [ 9513.696548][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9513.696548][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.696548][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.696548][ T903] netlink_unicast+0x449/0x710 [ 9513.696548][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.696548][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.696548][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.696548][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.696548][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.696548][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9513.696548][ T903] [ 9513.698916][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9513.698916][ T903] netdev_get_by_index+0x5e/0x80 [ 9513.698916][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9513.698916][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9513.698916][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9513.698916][ T903] ipv6_add_addr+0x411/0x2000 [ 9513.698916][ T903] inet6_addr_add+0x30e/0xa40 [ 9513.698916][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9513.698916][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.698916][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.698916][ T903] netlink_unicast+0x449/0x710 [ 9513.698916][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.698916][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.698916][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.698916][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.698916][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.698916][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9513.698916][ T903] [ 9513.701260][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9513.701260][ T903] netdev_get_by_index+0x5e/0x80 [ 9513.701260][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9513.701260][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9513.701260][ T903] ip6_route_add+0x1c/0x140 [ 9513.701260][ T903] addrconf_add_mroute+0x129/0x180 [ 9513.701260][ T903] addrconf_add_dev+0xe2/0x170 [ 9513.701260][ T903] inet6_addr_add+0x12f/0xa40 [ 9513.701260][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9513.701260][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.701260][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.701260][ T903] netlink_unicast+0x449/0x710 [ 9513.701260][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.701260][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.701260][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.701260][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.701260][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.701260][ T903] [ 9513.703607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9513.703607][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9513.703607][ T903] ipv6_find_idev+0x102/0x170 [ 9513.703607][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9513.703607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.703607][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.703607][ T903] netlink_unicast+0x449/0x710 [ 9513.703607][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.703607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.703607][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.703607][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.703607][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.703607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9513.703607][ T903] [ 9513.705448][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9513.705448][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9513.705448][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9513.705448][ T903] ipv6_find_idev+0x102/0x170 [ 9513.705448][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9513.705448][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9513.705448][ T903] netlink_rcv_skb+0x130/0x360 [ 9513.705448][ T903] netlink_unicast+0x449/0x710 [ 9513.705448][ T903] netlink_sendmsg+0x723/0xbe0 [ 9513.705448][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9513.705448][ T903] ___sys_sendmsg+0xee/0x170 [ 9513.705448][ T903] __sys_sendmsg+0xcd/0x170 [ 9513.705448][ T903] do_syscall_64+0xc6/0x1e0 [ 9513.705448][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9513.705448][ T903] [ 9523.957866][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9523.958883][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9523.958883][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9523.958883][ T903] ip6_validate_gw+0x3eb/0x790 [ 9523.958883][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9523.958883][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9523.958883][ T903] ip6_route_add+0x1c/0x140 [ 9523.958883][ T903] inet6_rtm_newroute+0x104/0x110 [ 9523.958883][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.958883][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.958883][ T903] netlink_unicast+0x449/0x710 [ 9523.958883][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.958883][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.958883][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.958883][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.958883][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.958883][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9523.958883][ T903] [ 9523.961131][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9523.961131][ T903] netdev_get_by_index+0x5e/0x80 [ 9523.961131][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9523.961131][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9523.961131][ T903] ip6_route_add+0x1c/0x140 [ 9523.961131][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9523.961131][ T903] inet6_addr_add+0x4f8/0xa40 [ 9523.961131][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9523.961131][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.961131][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.961131][ T903] netlink_unicast+0x449/0x710 [ 9523.961131][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.961131][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.961131][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.961131][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.961131][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.961131][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9523.961131][ T903] [ 9523.963511][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9523.963511][ T903] netdev_get_by_index+0x5e/0x80 [ 9523.963511][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9523.963511][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9523.963511][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9523.963511][ T903] ipv6_add_addr+0x411/0x2000 [ 9523.963511][ T903] inet6_addr_add+0x30e/0xa40 [ 9523.963511][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9523.963511][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.963511][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.963511][ T903] netlink_unicast+0x449/0x710 [ 9523.963511][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.963511][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.963511][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.963511][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.963511][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.963511][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9523.963511][ T903] [ 9523.965914][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9523.965914][ T903] netdev_get_by_index+0x5e/0x80 [ 9523.965914][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9523.965914][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9523.965914][ T903] ip6_route_add+0x1c/0x140 [ 9523.965914][ T903] addrconf_add_mroute+0x129/0x180 [ 9523.965914][ T903] addrconf_add_dev+0xe2/0x170 [ 9523.965914][ T903] inet6_addr_add+0x12f/0xa40 [ 9523.965914][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9523.965914][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.965914][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.965914][ T903] netlink_unicast+0x449/0x710 [ 9523.965914][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.965914][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.965914][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.965914][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.965914][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.965914][ T903] [ 9523.968348][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9523.968348][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9523.968348][ T903] ipv6_find_idev+0x102/0x170 [ 9523.968348][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9523.968348][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.968348][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.968348][ T903] netlink_unicast+0x449/0x710 [ 9523.968348][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.968348][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.968348][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.968348][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.968348][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.968348][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9523.968348][ T903] [ 9523.970183][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9523.970183][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9523.970183][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9523.970183][ T903] ipv6_find_idev+0x102/0x170 [ 9523.970183][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9523.970183][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9523.970183][ T903] netlink_rcv_skb+0x130/0x360 [ 9523.970183][ T903] netlink_unicast+0x449/0x710 [ 9523.970183][ T903] netlink_sendmsg+0x723/0xbe0 [ 9523.970183][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9523.970183][ T903] ___sys_sendmsg+0xee/0x170 [ 9523.970183][ T903] __sys_sendmsg+0xcd/0x170 [ 9523.970183][ T903] do_syscall_64+0xc6/0x1e0 [ 9523.970183][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9523.970183][ T903] [ 9534.221877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9534.222490][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9534.222490][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9534.222490][ T903] ip6_validate_gw+0x3eb/0x790 [ 9534.222490][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9534.222490][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9534.222490][ T903] ip6_route_add+0x1c/0x140 [ 9534.222490][ T903] inet6_rtm_newroute+0x104/0x110 [ 9534.222490][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.222490][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.222490][ T903] netlink_unicast+0x449/0x710 [ 9534.222490][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.222490][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.222490][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.222490][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.222490][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.222490][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9534.222490][ T903] [ 9534.224717][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9534.224717][ T903] netdev_get_by_index+0x5e/0x80 [ 9534.224717][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9534.224717][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9534.224717][ T903] ip6_route_add+0x1c/0x140 [ 9534.224717][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9534.224717][ T903] inet6_addr_add+0x4f8/0xa40 [ 9534.224717][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9534.224717][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.224717][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.224717][ T903] netlink_unicast+0x449/0x710 [ 9534.224717][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.224717][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.224717][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.224717][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.224717][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.224717][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9534.224717][ T903] [ 9534.227126][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9534.227126][ T903] netdev_get_by_index+0x5e/0x80 [ 9534.227126][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9534.227126][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9534.227126][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9534.227126][ T903] ipv6_add_addr+0x411/0x2000 [ 9534.227126][ T903] inet6_addr_add+0x30e/0xa40 [ 9534.227126][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9534.227126][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.227126][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.227126][ T903] netlink_unicast+0x449/0x710 [ 9534.227126][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.227126][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.227126][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.227126][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.227126][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.227126][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9534.227126][ T903] [ 9534.229510][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9534.229510][ T903] netdev_get_by_index+0x5e/0x80 [ 9534.229510][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9534.229510][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9534.229510][ T903] ip6_route_add+0x1c/0x140 [ 9534.229510][ T903] addrconf_add_mroute+0x129/0x180 [ 9534.229510][ T903] addrconf_add_dev+0xe2/0x170 [ 9534.229510][ T903] inet6_addr_add+0x12f/0xa40 [ 9534.229510][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9534.229510][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.229510][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.229510][ T903] netlink_unicast+0x449/0x710 [ 9534.229510][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.229510][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.229510][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.229510][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.229510][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.229510][ T903] [ 9534.231794][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9534.231794][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9534.231794][ T903] ipv6_find_idev+0x102/0x170 [ 9534.231794][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9534.231794][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.231794][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.231794][ T903] netlink_unicast+0x449/0x710 [ 9534.231794][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.231794][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.231794][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.231794][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.231794][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.231794][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9534.231794][ T903] [ 9534.233585][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9534.233585][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9534.233585][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9534.233585][ T903] ipv6_find_idev+0x102/0x170 [ 9534.233585][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9534.233585][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9534.233585][ T903] netlink_rcv_skb+0x130/0x360 [ 9534.233585][ T903] netlink_unicast+0x449/0x710 [ 9534.233585][ T903] netlink_sendmsg+0x723/0xbe0 [ 9534.233585][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9534.233585][ T903] ___sys_sendmsg+0xee/0x170 [ 9534.233585][ T903] __sys_sendmsg+0xcd/0x170 [ 9534.233585][ T903] do_syscall_64+0xc6/0x1e0 [ 9534.233585][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9534.233585][ T903] [ 9544.485821][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9544.486340][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9544.486340][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9544.486340][ T903] ip6_validate_gw+0x3eb/0x790 [ 9544.486340][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9544.486340][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9544.486340][ T903] ip6_route_add+0x1c/0x140 [ 9544.486340][ T903] inet6_rtm_newroute+0x104/0x110 [ 9544.486340][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.486340][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.486340][ T903] netlink_unicast+0x449/0x710 [ 9544.486340][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.486340][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.486340][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.486340][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.486340][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.486340][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9544.486340][ T903] [ 9544.488517][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9544.488517][ T903] netdev_get_by_index+0x5e/0x80 [ 9544.488517][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9544.488517][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9544.488517][ T903] ip6_route_add+0x1c/0x140 [ 9544.488517][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9544.488517][ T903] inet6_addr_add+0x4f8/0xa40 [ 9544.488517][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9544.488517][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.488517][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.488517][ T903] netlink_unicast+0x449/0x710 [ 9544.488517][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.488517][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.488517][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.488517][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.488517][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.488517][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9544.488517][ T903] [ 9544.490914][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9544.490914][ T903] netdev_get_by_index+0x5e/0x80 [ 9544.490914][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9544.490914][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9544.490914][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9544.490914][ T903] ipv6_add_addr+0x411/0x2000 [ 9544.490914][ T903] inet6_addr_add+0x30e/0xa40 [ 9544.490914][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9544.490914][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.490914][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.490914][ T903] netlink_unicast+0x449/0x710 [ 9544.490914][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.490914][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.490914][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.490914][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.490914][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.490914][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9544.490914][ T903] [ 9544.493276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9544.493276][ T903] netdev_get_by_index+0x5e/0x80 [ 9544.493276][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9544.493276][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9544.493276][ T903] ip6_route_add+0x1c/0x140 [ 9544.493276][ T903] addrconf_add_mroute+0x129/0x180 [ 9544.493276][ T903] addrconf_add_dev+0xe2/0x170 [ 9544.493276][ T903] inet6_addr_add+0x12f/0xa40 [ 9544.493276][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9544.493276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.493276][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.493276][ T903] netlink_unicast+0x449/0x710 [ 9544.493276][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.493276][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.493276][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.493276][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.493276][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.493276][ T903] [ 9544.495542][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9544.495542][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9544.495542][ T903] ipv6_find_idev+0x102/0x170 [ 9544.495542][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9544.495542][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.495542][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.495542][ T903] netlink_unicast+0x449/0x710 [ 9544.495542][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.495542][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.495542][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.495542][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.495542][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.495542][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9544.495542][ T903] [ 9544.497387][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9544.497387][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9544.497387][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9544.497387][ T903] ipv6_find_idev+0x102/0x170 [ 9544.497387][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9544.497387][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9544.497387][ T903] netlink_rcv_skb+0x130/0x360 [ 9544.497387][ T903] netlink_unicast+0x449/0x710 [ 9544.497387][ T903] netlink_sendmsg+0x723/0xbe0 [ 9544.497387][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9544.497387][ T903] ___sys_sendmsg+0xee/0x170 [ 9544.497387][ T903] __sys_sendmsg+0xcd/0x170 [ 9544.497387][ T903] do_syscall_64+0xc6/0x1e0 [ 9544.497387][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9544.497387][ T903] [ 9554.749800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9554.750328][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9554.750328][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9554.750328][ T903] ip6_validate_gw+0x3eb/0x790 [ 9554.750328][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9554.750328][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9554.750328][ T903] ip6_route_add+0x1c/0x140 [ 9554.750328][ T903] inet6_rtm_newroute+0x104/0x110 [ 9554.750328][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.750328][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.750328][ T903] netlink_unicast+0x449/0x710 [ 9554.750328][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.750328][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.750328][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.750328][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.750328][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.750328][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9554.750328][ T903] [ 9554.752557][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9554.752557][ T903] netdev_get_by_index+0x5e/0x80 [ 9554.752557][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9554.752557][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9554.752557][ T903] ip6_route_add+0x1c/0x140 [ 9554.752557][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9554.752557][ T903] inet6_addr_add+0x4f8/0xa40 [ 9554.752557][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9554.752557][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.752557][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.752557][ T903] netlink_unicast+0x449/0x710 [ 9554.752557][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.752557][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.752557][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.752557][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.752557][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.752557][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9554.752557][ T903] [ 9554.754845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9554.754845][ T903] netdev_get_by_index+0x5e/0x80 [ 9554.754845][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9554.754845][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9554.754845][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9554.754845][ T903] ipv6_add_addr+0x411/0x2000 [ 9554.754845][ T903] inet6_addr_add+0x30e/0xa40 [ 9554.754845][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9554.754845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.754845][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.754845][ T903] netlink_unicast+0x449/0x710 [ 9554.754845][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.754845][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.754845][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.754845][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.754845][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.754845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9554.754845][ T903] [ 9554.757120][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9554.757120][ T903] netdev_get_by_index+0x5e/0x80 [ 9554.757120][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9554.757120][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9554.757120][ T903] ip6_route_add+0x1c/0x140 [ 9554.757120][ T903] addrconf_add_mroute+0x129/0x180 [ 9554.757120][ T903] addrconf_add_dev+0xe2/0x170 [ 9554.757120][ T903] inet6_addr_add+0x12f/0xa40 [ 9554.757120][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9554.757120][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.757120][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.757120][ T903] netlink_unicast+0x449/0x710 [ 9554.757120][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.757120][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.757120][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.757120][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.757120][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.757120][ T903] [ 9554.759429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9554.759429][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9554.759429][ T903] ipv6_find_idev+0x102/0x170 [ 9554.759429][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9554.759429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.759429][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.759429][ T903] netlink_unicast+0x449/0x710 [ 9554.759429][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.759429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.759429][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.759429][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.759429][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.759429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9554.759429][ T903] [ 9554.761286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9554.761286][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9554.761286][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9554.761286][ T903] ipv6_find_idev+0x102/0x170 [ 9554.761286][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9554.761286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9554.761286][ T903] netlink_rcv_skb+0x130/0x360 [ 9554.761286][ T903] netlink_unicast+0x449/0x710 [ 9554.761286][ T903] netlink_sendmsg+0x723/0xbe0 [ 9554.761286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9554.761286][ T903] ___sys_sendmsg+0xee/0x170 [ 9554.761286][ T903] __sys_sendmsg+0xcd/0x170 [ 9554.761286][ T903] do_syscall_64+0xc6/0x1e0 [ 9554.761286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9554.761286][ T903] [ 9565.013822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9565.014279][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9565.014279][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9565.014279][ T903] ip6_validate_gw+0x3eb/0x790 [ 9565.014279][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9565.014279][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9565.014279][ T903] ip6_route_add+0x1c/0x140 [ 9565.014279][ T903] inet6_rtm_newroute+0x104/0x110 [ 9565.014279][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.014279][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.014279][ T903] netlink_unicast+0x449/0x710 [ 9565.014279][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.014279][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.014279][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.014279][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.014279][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.014279][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.014279][ T903] [ 9565.016509][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9565.016509][ T903] netdev_get_by_index+0x5e/0x80 [ 9565.016509][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9565.016509][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9565.016509][ T903] ip6_route_add+0x1c/0x140 [ 9565.016509][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9565.016509][ T903] inet6_addr_add+0x4f8/0xa40 [ 9565.016509][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.016509][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.016509][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.016509][ T903] netlink_unicast+0x449/0x710 [ 9565.016509][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.016509][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.016509][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.016509][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.016509][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.016509][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.016509][ T903] [ 9565.018855][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9565.018855][ T903] netdev_get_by_index+0x5e/0x80 [ 9565.018855][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9565.018855][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9565.018855][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9565.018855][ T903] ipv6_add_addr+0x411/0x2000 [ 9565.018855][ T903] inet6_addr_add+0x30e/0xa40 [ 9565.018855][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.018855][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.018855][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.018855][ T903] netlink_unicast+0x449/0x710 [ 9565.018855][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.018855][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.018855][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.018855][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.018855][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.018855][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.018855][ T903] [ 9565.021163][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9565.021163][ T903] netdev_get_by_index+0x5e/0x80 [ 9565.021163][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9565.021163][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9565.021163][ T903] ip6_route_add+0x1c/0x140 [ 9565.021163][ T903] addrconf_add_mroute+0x129/0x180 [ 9565.021163][ T903] addrconf_add_dev+0xe2/0x170 [ 9565.021163][ T903] inet6_addr_add+0x12f/0xa40 [ 9565.021163][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.021163][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.021163][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.021163][ T903] netlink_unicast+0x449/0x710 [ 9565.021163][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.021163][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.021163][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.021163][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.021163][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.021163][ T903] [ 9565.023405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9565.023405][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9565.023405][ T903] ipv6_find_idev+0x102/0x170 [ 9565.023405][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9565.023405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.023405][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.023405][ T903] netlink_unicast+0x449/0x710 [ 9565.023405][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.023405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.023405][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.023405][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.023405][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.023405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.023405][ T903] [ 9565.025129][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9565.025129][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9565.025129][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9565.025129][ T903] ipv6_find_idev+0x102/0x170 [ 9565.025129][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9565.025129][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.025129][ T903] netlink_rcv_skb+0x130/0x360 [ 9565.025129][ T903] netlink_unicast+0x449/0x710 [ 9565.025129][ T903] netlink_sendmsg+0x723/0xbe0 [ 9565.025129][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9565.025129][ T903] ___sys_sendmsg+0xee/0x170 [ 9565.025129][ T903] __sys_sendmsg+0xcd/0x170 [ 9565.025129][ T903] do_syscall_64+0xc6/0x1e0 [ 9565.025129][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.025129][ T903] [ 9575.277820][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9575.278286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9575.278286][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9575.278286][ T903] ip6_validate_gw+0x3eb/0x790 [ 9575.278286][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9575.278286][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9575.278286][ T903] ip6_route_add+0x1c/0x140 [ 9575.278286][ T903] inet6_rtm_newroute+0x104/0x110 [ 9575.278286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.278286][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.278286][ T903] netlink_unicast+0x449/0x710 [ 9575.278286][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.278286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.278286][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.278286][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.278286][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.278286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9575.278286][ T903] [ 9575.280560][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9575.280560][ T903] netdev_get_by_index+0x5e/0x80 [ 9575.280560][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9575.280560][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9575.280560][ T903] ip6_route_add+0x1c/0x140 [ 9575.280560][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9575.280560][ T903] inet6_addr_add+0x4f8/0xa40 [ 9575.280560][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9575.280560][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.280560][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.280560][ T903] netlink_unicast+0x449/0x710 [ 9575.280560][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.280560][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.280560][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.280560][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.280560][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.280560][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9575.280560][ T903] [ 9575.282981][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9575.282981][ T903] netdev_get_by_index+0x5e/0x80 [ 9575.282981][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9575.282981][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9575.282981][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9575.282981][ T903] ipv6_add_addr+0x411/0x2000 [ 9575.282981][ T903] inet6_addr_add+0x30e/0xa40 [ 9575.282981][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9575.282981][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.282981][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.282981][ T903] netlink_unicast+0x449/0x710 [ 9575.282981][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.282981][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.282981][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.282981][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.282981][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.282981][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9575.282981][ T903] [ 9575.285357][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9575.285357][ T903] netdev_get_by_index+0x5e/0x80 [ 9575.285357][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9575.285357][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9575.285357][ T903] ip6_route_add+0x1c/0x140 [ 9575.285357][ T903] addrconf_add_mroute+0x129/0x180 [ 9575.285357][ T903] addrconf_add_dev+0xe2/0x170 [ 9575.285357][ T903] inet6_addr_add+0x12f/0xa40 [ 9575.285357][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9575.285357][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.285357][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.285357][ T903] netlink_unicast+0x449/0x710 [ 9575.285357][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.285357][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.285357][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.285357][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.285357][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.285357][ T903] [ 9575.287670][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9575.287670][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9575.287670][ T903] ipv6_find_idev+0x102/0x170 [ 9575.287670][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9575.287670][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.287670][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.287670][ T903] netlink_unicast+0x449/0x710 [ 9575.287670][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.287670][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.287670][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.287670][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.287670][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.287670][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9575.287670][ T903] [ 9575.289536][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9575.289536][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9575.289536][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9575.289536][ T903] ipv6_find_idev+0x102/0x170 [ 9575.289536][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9575.289536][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9575.289536][ T903] netlink_rcv_skb+0x130/0x360 [ 9575.289536][ T903] netlink_unicast+0x449/0x710 [ 9575.289536][ T903] netlink_sendmsg+0x723/0xbe0 [ 9575.289536][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9575.289536][ T903] ___sys_sendmsg+0xee/0x170 [ 9575.289536][ T903] __sys_sendmsg+0xcd/0x170 [ 9575.289536][ T903] do_syscall_64+0xc6/0x1e0 [ 9575.289536][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9575.289536][ T903] [ 9585.541833][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9585.542272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9585.542272][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9585.542272][ T903] ip6_validate_gw+0x3eb/0x790 [ 9585.542272][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9585.542272][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9585.542272][ T903] ip6_route_add+0x1c/0x140 [ 9585.542272][ T903] inet6_rtm_newroute+0x104/0x110 [ 9585.542272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.542272][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.542272][ T903] netlink_unicast+0x449/0x710 [ 9585.542272][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.542272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.542272][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.542272][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.542272][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.542272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.542272][ T903] [ 9585.544452][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9585.544452][ T903] netdev_get_by_index+0x5e/0x80 [ 9585.544452][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9585.544452][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9585.544452][ T903] ip6_route_add+0x1c/0x140 [ 9585.544452][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9585.544452][ T903] inet6_addr_add+0x4f8/0xa40 [ 9585.544452][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9585.544452][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.544452][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.544452][ T903] netlink_unicast+0x449/0x710 [ 9585.544452][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.544452][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.544452][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.544452][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.544452][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.544452][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.544452][ T903] [ 9585.546911][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9585.546911][ T903] netdev_get_by_index+0x5e/0x80 [ 9585.546911][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9585.546911][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9585.546911][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9585.546911][ T903] ipv6_add_addr+0x411/0x2000 [ 9585.546911][ T903] inet6_addr_add+0x30e/0xa40 [ 9585.546911][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9585.546911][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.546911][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.546911][ T903] netlink_unicast+0x449/0x710 [ 9585.546911][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.546911][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.546911][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.546911][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.546911][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.546911][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.546911][ T903] [ 9585.549304][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9585.549304][ T903] netdev_get_by_index+0x5e/0x80 [ 9585.549304][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9585.549304][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9585.549304][ T903] ip6_route_add+0x1c/0x140 [ 9585.549304][ T903] addrconf_add_mroute+0x129/0x180 [ 9585.549304][ T903] addrconf_add_dev+0xe2/0x170 [ 9585.549304][ T903] inet6_addr_add+0x12f/0xa40 [ 9585.549304][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9585.549304][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.549304][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.549304][ T903] netlink_unicast+0x449/0x710 [ 9585.549304][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.549304][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.549304][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.549304][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.549304][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.549304][ T903] [ 9585.551566][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9585.551566][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9585.551566][ T903] ipv6_find_idev+0x102/0x170 [ 9585.551566][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9585.551566][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.551566][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.551566][ T903] netlink_unicast+0x449/0x710 [ 9585.551566][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.551566][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.551566][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.551566][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.551566][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.551566][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.551566][ T903] [ 9585.553394][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9585.553394][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9585.553394][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9585.553394][ T903] ipv6_find_idev+0x102/0x170 [ 9585.553394][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9585.553394][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9585.553394][ T903] netlink_rcv_skb+0x130/0x360 [ 9585.553394][ T903] netlink_unicast+0x449/0x710 [ 9585.553394][ T903] netlink_sendmsg+0x723/0xbe0 [ 9585.553394][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9585.553394][ T903] ___sys_sendmsg+0xee/0x170 [ 9585.553394][ T903] __sys_sendmsg+0xcd/0x170 [ 9585.553394][ T903] do_syscall_64+0xc6/0x1e0 [ 9585.553394][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.553394][ T903] [ 9595.805860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9595.806868][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9595.806868][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9595.806868][ T903] ip6_validate_gw+0x3eb/0x790 [ 9595.806868][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9595.806868][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9595.806868][ T903] ip6_route_add+0x1c/0x140 [ 9595.806868][ T903] inet6_rtm_newroute+0x104/0x110 [ 9595.806868][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.806868][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.806868][ T903] netlink_unicast+0x449/0x710 [ 9595.806868][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.806868][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.806868][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.806868][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.806868][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.806868][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9595.806868][ T903] [ 9595.809182][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9595.809182][ T903] netdev_get_by_index+0x5e/0x80 [ 9595.809182][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9595.809182][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9595.809182][ T903] ip6_route_add+0x1c/0x140 [ 9595.809182][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9595.809182][ T903] inet6_addr_add+0x4f8/0xa40 [ 9595.809182][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9595.809182][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.809182][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.809182][ T903] netlink_unicast+0x449/0x710 [ 9595.809182][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.809182][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.809182][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.809182][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.809182][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.809182][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9595.809182][ T903] [ 9595.811580][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9595.811580][ T903] netdev_get_by_index+0x5e/0x80 [ 9595.811580][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9595.811580][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9595.811580][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9595.811580][ T903] ipv6_add_addr+0x411/0x2000 [ 9595.811580][ T903] inet6_addr_add+0x30e/0xa40 [ 9595.811580][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9595.811580][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.811580][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.811580][ T903] netlink_unicast+0x449/0x710 [ 9595.811580][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.811580][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.811580][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.811580][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.811580][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.811580][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9595.811580][ T903] [ 9595.813932][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9595.813932][ T903] netdev_get_by_index+0x5e/0x80 [ 9595.813932][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9595.813932][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9595.813932][ T903] ip6_route_add+0x1c/0x140 [ 9595.813932][ T903] addrconf_add_mroute+0x129/0x180 [ 9595.813932][ T903] addrconf_add_dev+0xe2/0x170 [ 9595.813932][ T903] inet6_addr_add+0x12f/0xa40 [ 9595.813932][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9595.813932][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.813932][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.813932][ T903] netlink_unicast+0x449/0x710 [ 9595.813932][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.813932][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.813932][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.813932][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.813932][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.813932][ T903] [ 9595.816283][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9595.816283][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9595.816283][ T903] ipv6_find_idev+0x102/0x170 [ 9595.816283][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9595.816283][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.816283][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.816283][ T903] netlink_unicast+0x449/0x710 [ 9595.816283][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.816283][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.816283][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.816283][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.816283][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.816283][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9595.816283][ T903] [ 9595.818046][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9595.818046][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9595.818046][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9595.818046][ T903] ipv6_find_idev+0x102/0x170 [ 9595.818046][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9595.818046][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9595.818046][ T903] netlink_rcv_skb+0x130/0x360 [ 9595.818046][ T903] netlink_unicast+0x449/0x710 [ 9595.818046][ T903] netlink_sendmsg+0x723/0xbe0 [ 9595.818046][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9595.818046][ T903] ___sys_sendmsg+0xee/0x170 [ 9595.818046][ T903] __sys_sendmsg+0xcd/0x170 [ 9595.818046][ T903] do_syscall_64+0xc6/0x1e0 [ 9595.818046][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9595.818046][ T903] [ 9606.069884][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9606.070360][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9606.070360][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9606.070360][ T903] ip6_validate_gw+0x3eb/0x790 [ 9606.070360][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9606.070360][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9606.070360][ T903] ip6_route_add+0x1c/0x140 [ 9606.070360][ T903] inet6_rtm_newroute+0x104/0x110 [ 9606.070360][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.070360][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.070360][ T903] netlink_unicast+0x449/0x710 [ 9606.070360][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.070360][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.070360][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.070360][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.070360][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.070360][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.070360][ T903] [ 9606.072547][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9606.072547][ T903] netdev_get_by_index+0x5e/0x80 [ 9606.072547][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9606.072547][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9606.072547][ T903] ip6_route_add+0x1c/0x140 [ 9606.072547][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9606.072547][ T903] inet6_addr_add+0x4f8/0xa40 [ 9606.072547][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.072547][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.072547][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.072547][ T903] netlink_unicast+0x449/0x710 [ 9606.072547][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.072547][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.072547][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.072547][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.072547][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.072547][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.072547][ T903] [ 9606.075429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9606.075429][ T903] netdev_get_by_index+0x5e/0x80 [ 9606.075429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9606.075429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9606.075429][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9606.075429][ T903] ipv6_add_addr+0x411/0x2000 [ 9606.075429][ T903] inet6_addr_add+0x30e/0xa40 [ 9606.075429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.075429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.075429][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.075429][ T903] netlink_unicast+0x449/0x710 [ 9606.075429][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.075429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.075429][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.075429][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.075429][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.075429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.075429][ T903] [ 9606.078211][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9606.078211][ T903] netdev_get_by_index+0x5e/0x80 [ 9606.078211][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9606.078211][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9606.078211][ T903] ip6_route_add+0x1c/0x140 [ 9606.078211][ T903] addrconf_add_mroute+0x129/0x180 [ 9606.078211][ T903] addrconf_add_dev+0xe2/0x170 [ 9606.078211][ T903] inet6_addr_add+0x12f/0xa40 [ 9606.078211][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.078211][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.078211][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.078211][ T903] netlink_unicast+0x449/0x710 [ 9606.078211][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.078211][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.078211][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.078211][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.078211][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.078211][ T903] [ 9606.080520][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9606.080520][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9606.080520][ T903] ipv6_find_idev+0x102/0x170 [ 9606.080520][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9606.080520][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.080520][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.080520][ T903] netlink_unicast+0x449/0x710 [ 9606.080520][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.080520][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.080520][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.080520][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.080520][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.080520][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.080520][ T903] [ 9606.082329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9606.082329][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9606.082329][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9606.082329][ T903] ipv6_find_idev+0x102/0x170 [ 9606.082329][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9606.082329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.082329][ T903] netlink_rcv_skb+0x130/0x360 [ 9606.082329][ T903] netlink_unicast+0x449/0x710 [ 9606.082329][ T903] netlink_sendmsg+0x723/0xbe0 [ 9606.082329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9606.082329][ T903] ___sys_sendmsg+0xee/0x170 [ 9606.082329][ T903] __sys_sendmsg+0xcd/0x170 [ 9606.082329][ T903] do_syscall_64+0xc6/0x1e0 [ 9606.082329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.082329][ T903] [ 9616.093795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9616.094272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9616.094272][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9616.094272][ T903] ip6_validate_gw+0x3eb/0x790 [ 9616.094272][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9616.094272][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9616.094272][ T903] ip6_route_add+0x1c/0x140 [ 9616.094272][ T903] inet6_rtm_newroute+0x104/0x110 [ 9616.094272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.094272][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.094272][ T903] netlink_unicast+0x449/0x710 [ 9616.094272][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.094272][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.094272][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.094272][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.094272][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.094272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9616.094272][ T903] [ 9616.096522][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9616.096522][ T903] netdev_get_by_index+0x5e/0x80 [ 9616.096522][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9616.096522][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9616.096522][ T903] ip6_route_add+0x1c/0x140 [ 9616.096522][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9616.096522][ T903] inet6_addr_add+0x4f8/0xa40 [ 9616.096522][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9616.096522][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.096522][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.096522][ T903] netlink_unicast+0x449/0x710 [ 9616.096522][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.096522][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.096522][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.096522][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.096522][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.096522][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9616.096522][ T903] [ 9616.098923][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9616.098923][ T903] netdev_get_by_index+0x5e/0x80 [ 9616.098923][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9616.098923][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9616.098923][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9616.098923][ T903] ipv6_add_addr+0x411/0x2000 [ 9616.098923][ T903] inet6_addr_add+0x30e/0xa40 [ 9616.098923][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9616.098923][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.098923][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.098923][ T903] netlink_unicast+0x449/0x710 [ 9616.098923][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.098923][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.098923][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.098923][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.098923][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.098923][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9616.098923][ T903] [ 9616.101247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9616.101247][ T903] netdev_get_by_index+0x5e/0x80 [ 9616.101247][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9616.101247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9616.101247][ T903] ip6_route_add+0x1c/0x140 [ 9616.101247][ T903] addrconf_add_mroute+0x129/0x180 [ 9616.101247][ T903] addrconf_add_dev+0xe2/0x170 [ 9616.101247][ T903] inet6_addr_add+0x12f/0xa40 [ 9616.101247][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9616.101247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.101247][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.101247][ T903] netlink_unicast+0x449/0x710 [ 9616.101247][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.101247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.101247][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.101247][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.101247][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.101247][ T903] [ 9616.103547][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9616.103547][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9616.103547][ T903] ipv6_find_idev+0x102/0x170 [ 9616.103547][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9616.103547][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.103547][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.103547][ T903] netlink_unicast+0x449/0x710 [ 9616.103547][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.103547][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.103547][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.103547][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.103547][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.103547][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9616.103547][ T903] [ 9616.105362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9616.105362][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9616.105362][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9616.105362][ T903] ipv6_find_idev+0x102/0x170 [ 9616.105362][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9616.105362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9616.105362][ T903] netlink_rcv_skb+0x130/0x360 [ 9616.105362][ T903] netlink_unicast+0x449/0x710 [ 9616.105362][ T903] netlink_sendmsg+0x723/0xbe0 [ 9616.105362][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9616.105362][ T903] ___sys_sendmsg+0xee/0x170 [ 9616.105362][ T903] __sys_sendmsg+0xcd/0x170 [ 9616.105362][ T903] do_syscall_64+0xc6/0x1e0 [ 9616.105362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9616.105362][ T903] [ 9626.349950][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9626.350466][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9626.350466][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9626.350466][ T903] ip6_validate_gw+0x3eb/0x790 [ 9626.350466][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9626.350466][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9626.350466][ T903] ip6_route_add+0x1c/0x140 [ 9626.350466][ T903] inet6_rtm_newroute+0x104/0x110 [ 9626.350466][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.350466][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.350466][ T903] netlink_unicast+0x449/0x710 [ 9626.350466][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.350466][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.350466][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.350466][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.350466][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.350466][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9626.350466][ T903] [ 9626.352680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9626.352680][ T903] netdev_get_by_index+0x5e/0x80 [ 9626.352680][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9626.352680][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9626.352680][ T903] ip6_route_add+0x1c/0x140 [ 9626.352680][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9626.352680][ T903] inet6_addr_add+0x4f8/0xa40 [ 9626.352680][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9626.352680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.352680][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.352680][ T903] netlink_unicast+0x449/0x710 [ 9626.352680][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.352680][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.352680][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.352680][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.352680][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.352680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9626.352680][ T903] [ 9626.354995][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9626.354995][ T903] netdev_get_by_index+0x5e/0x80 [ 9626.354995][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9626.354995][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9626.354995][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9626.354995][ T903] ipv6_add_addr+0x411/0x2000 [ 9626.354995][ T903] inet6_addr_add+0x30e/0xa40 [ 9626.354995][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9626.354995][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.354995][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.354995][ T903] netlink_unicast+0x449/0x710 [ 9626.354995][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.354995][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.354995][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.354995][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.354995][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.354995][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9626.354995][ T903] [ 9626.357346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9626.357346][ T903] netdev_get_by_index+0x5e/0x80 [ 9626.357346][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9626.357346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9626.357346][ T903] ip6_route_add+0x1c/0x140 [ 9626.357346][ T903] addrconf_add_mroute+0x129/0x180 [ 9626.357346][ T903] addrconf_add_dev+0xe2/0x170 [ 9626.357346][ T903] inet6_addr_add+0x12f/0xa40 [ 9626.357346][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9626.357346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.357346][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.357346][ T903] netlink_unicast+0x449/0x710 [ 9626.357346][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.357346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.357346][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.357346][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.357346][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.357346][ T903] [ 9626.359731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9626.359731][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9626.359731][ T903] ipv6_find_idev+0x102/0x170 [ 9626.359731][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9626.359731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.359731][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.359731][ T903] netlink_unicast+0x449/0x710 [ 9626.359731][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.359731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.359731][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.359731][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.359731][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.359731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9626.359731][ T903] [ 9626.361603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9626.361603][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9626.361603][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9626.361603][ T903] ipv6_find_idev+0x102/0x170 [ 9626.361603][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9626.361603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9626.361603][ T903] netlink_rcv_skb+0x130/0x360 [ 9626.361603][ T903] netlink_unicast+0x449/0x710 [ 9626.361603][ T903] netlink_sendmsg+0x723/0xbe0 [ 9626.361603][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9626.361603][ T903] ___sys_sendmsg+0xee/0x170 [ 9626.361603][ T903] __sys_sendmsg+0xcd/0x170 [ 9626.361603][ T903] do_syscall_64+0xc6/0x1e0 [ 9626.361603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9626.361603][ T903] [ 9636.605864][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9636.606847][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9636.606847][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9636.606847][ T903] ip6_validate_gw+0x3eb/0x790 [ 9636.606847][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9636.606847][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9636.606847][ T903] ip6_route_add+0x1c/0x140 [ 9636.606847][ T903] inet6_rtm_newroute+0x104/0x110 [ 9636.606847][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.606847][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.606847][ T903] netlink_unicast+0x449/0x710 [ 9636.606847][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.606847][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.606847][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.606847][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.606847][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.606847][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9636.606847][ T903] [ 9636.609146][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9636.609146][ T903] netdev_get_by_index+0x5e/0x80 [ 9636.609146][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9636.609146][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9636.609146][ T903] ip6_route_add+0x1c/0x140 [ 9636.609146][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9636.609146][ T903] inet6_addr_add+0x4f8/0xa40 [ 9636.609146][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9636.609146][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.609146][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.609146][ T903] netlink_unicast+0x449/0x710 [ 9636.609146][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.609146][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.609146][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.609146][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.609146][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.609146][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9636.609146][ T903] [ 9636.611512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9636.611512][ T903] netdev_get_by_index+0x5e/0x80 [ 9636.611512][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9636.611512][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9636.611512][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9636.611512][ T903] ipv6_add_addr+0x411/0x2000 [ 9636.611512][ T903] inet6_addr_add+0x30e/0xa40 [ 9636.611512][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9636.611512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.611512][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.611512][ T903] netlink_unicast+0x449/0x710 [ 9636.611512][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.611512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.611512][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.611512][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.611512][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.611512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9636.611512][ T903] [ 9636.613821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9636.613821][ T903] netdev_get_by_index+0x5e/0x80 [ 9636.613821][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9636.613821][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9636.613821][ T903] ip6_route_add+0x1c/0x140 [ 9636.613821][ T903] addrconf_add_mroute+0x129/0x180 [ 9636.613821][ T903] addrconf_add_dev+0xe2/0x170 [ 9636.613821][ T903] inet6_addr_add+0x12f/0xa40 [ 9636.613821][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9636.613821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.613821][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.613821][ T903] netlink_unicast+0x449/0x710 [ 9636.613821][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.613821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.613821][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.613821][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.613821][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.613821][ T903] [ 9636.616084][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9636.616084][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9636.616084][ T903] ipv6_find_idev+0x102/0x170 [ 9636.616084][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9636.616084][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.616084][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.616084][ T903] netlink_unicast+0x449/0x710 [ 9636.616084][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.616084][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.616084][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.616084][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.616084][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.616084][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9636.616084][ T903] [ 9636.617864][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9636.617864][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9636.617864][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9636.617864][ T903] ipv6_find_idev+0x102/0x170 [ 9636.617864][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9636.617864][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9636.617864][ T903] netlink_rcv_skb+0x130/0x360 [ 9636.617864][ T903] netlink_unicast+0x449/0x710 [ 9636.617864][ T903] netlink_sendmsg+0x723/0xbe0 [ 9636.617864][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9636.617864][ T903] ___sys_sendmsg+0xee/0x170 [ 9636.617864][ T903] __sys_sendmsg+0xcd/0x170 [ 9636.617864][ T903] do_syscall_64+0xc6/0x1e0 [ 9636.617864][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9636.617864][ T903] [ 9646.861868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9646.862866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9646.862866][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9646.862866][ T903] ip6_validate_gw+0x3eb/0x790 [ 9646.862866][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9646.862866][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9646.862866][ T903] ip6_route_add+0x1c/0x140 [ 9646.862866][ T903] inet6_rtm_newroute+0x104/0x110 [ 9646.862866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.862866][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.862866][ T903] netlink_unicast+0x449/0x710 [ 9646.862866][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.862866][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.862866][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.862866][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.862866][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.862866][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9646.862866][ T903] [ 9646.865023][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9646.865023][ T903] netdev_get_by_index+0x5e/0x80 [ 9646.865023][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9646.865023][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9646.865023][ T903] ip6_route_add+0x1c/0x140 [ 9646.865023][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9646.865023][ T903] inet6_addr_add+0x4f8/0xa40 [ 9646.865023][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9646.865023][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.865023][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.865023][ T903] netlink_unicast+0x449/0x710 [ 9646.865023][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.865023][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.865023][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.865023][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.865023][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.865023][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9646.865023][ T903] [ 9646.867409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9646.867409][ T903] netdev_get_by_index+0x5e/0x80 [ 9646.867409][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9646.867409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9646.867409][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9646.867409][ T903] ipv6_add_addr+0x411/0x2000 [ 9646.867409][ T903] inet6_addr_add+0x30e/0xa40 [ 9646.867409][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9646.867409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.867409][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.867409][ T903] netlink_unicast+0x449/0x710 [ 9646.867409][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.867409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.867409][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.867409][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.867409][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.867409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9646.867409][ T903] [ 9646.869780][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9646.869780][ T903] netdev_get_by_index+0x5e/0x80 [ 9646.869780][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9646.869780][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9646.869780][ T903] ip6_route_add+0x1c/0x140 [ 9646.869780][ T903] addrconf_add_mroute+0x129/0x180 [ 9646.869780][ T903] addrconf_add_dev+0xe2/0x170 [ 9646.869780][ T903] inet6_addr_add+0x12f/0xa40 [ 9646.869780][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9646.869780][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.869780][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.869780][ T903] netlink_unicast+0x449/0x710 [ 9646.869780][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.869780][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.869780][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.869780][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.869780][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.869780][ T903] [ 9646.872165][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9646.872165][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9646.872165][ T903] ipv6_find_idev+0x102/0x170 [ 9646.872165][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9646.872165][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.872165][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.872165][ T903] netlink_unicast+0x449/0x710 [ 9646.872165][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.872165][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.872165][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.872165][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.872165][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.872165][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9646.872165][ T903] [ 9646.873981][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9646.873981][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9646.873981][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9646.873981][ T903] ipv6_find_idev+0x102/0x170 [ 9646.873981][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9646.873981][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9646.873981][ T903] netlink_rcv_skb+0x130/0x360 [ 9646.873981][ T903] netlink_unicast+0x449/0x710 [ 9646.873981][ T903] netlink_sendmsg+0x723/0xbe0 [ 9646.873981][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9646.873981][ T903] ___sys_sendmsg+0xee/0x170 [ 9646.873981][ T903] __sys_sendmsg+0xcd/0x170 [ 9646.873981][ T903] do_syscall_64+0xc6/0x1e0 [ 9646.873981][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9646.873981][ T903] [ 9657.117873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9657.118414][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9657.118414][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9657.118414][ T903] ip6_validate_gw+0x3eb/0x790 [ 9657.118414][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9657.118414][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9657.118414][ T903] ip6_route_add+0x1c/0x140 [ 9657.118414][ T903] inet6_rtm_newroute+0x104/0x110 [ 9657.118414][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.118414][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.118414][ T903] netlink_unicast+0x449/0x710 [ 9657.118414][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.118414][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.118414][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.118414][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.118414][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.118414][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9657.118414][ T903] [ 9657.120572][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9657.120572][ T903] netdev_get_by_index+0x5e/0x80 [ 9657.120572][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9657.120572][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9657.120572][ T903] ip6_route_add+0x1c/0x140 [ 9657.120572][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9657.120572][ T903] inet6_addr_add+0x4f8/0xa40 [ 9657.120572][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9657.120572][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.120572][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.120572][ T903] netlink_unicast+0x449/0x710 [ 9657.120572][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.120572][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.120572][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.120572][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.120572][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.120572][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9657.120572][ T903] [ 9657.122961][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9657.122961][ T903] netdev_get_by_index+0x5e/0x80 [ 9657.122961][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9657.122961][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9657.122961][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9657.122961][ T903] ipv6_add_addr+0x411/0x2000 [ 9657.122961][ T903] inet6_addr_add+0x30e/0xa40 [ 9657.122961][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9657.122961][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.122961][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.122961][ T903] netlink_unicast+0x449/0x710 [ 9657.122961][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.122961][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.122961][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.122961][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.122961][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.122961][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9657.122961][ T903] [ 9657.125326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9657.125326][ T903] netdev_get_by_index+0x5e/0x80 [ 9657.125326][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9657.125326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9657.125326][ T903] ip6_route_add+0x1c/0x140 [ 9657.125326][ T903] addrconf_add_mroute+0x129/0x180 [ 9657.125326][ T903] addrconf_add_dev+0xe2/0x170 [ 9657.125326][ T903] inet6_addr_add+0x12f/0xa40 [ 9657.125326][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9657.125326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.125326][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.125326][ T903] netlink_unicast+0x449/0x710 [ 9657.125326][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.125326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.125326][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.125326][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.125326][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.125326][ T903] [ 9657.127705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9657.127705][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9657.127705][ T903] ipv6_find_idev+0x102/0x170 [ 9657.127705][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9657.127705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.127705][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.127705][ T903] netlink_unicast+0x449/0x710 [ 9657.127705][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.127705][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.127705][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.127705][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.127705][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.127705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9657.127705][ T903] [ 9657.129570][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9657.129570][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9657.129570][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9657.129570][ T903] ipv6_find_idev+0x102/0x170 [ 9657.129570][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9657.129570][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9657.129570][ T903] netlink_rcv_skb+0x130/0x360 [ 9657.129570][ T903] netlink_unicast+0x449/0x710 [ 9657.129570][ T903] netlink_sendmsg+0x723/0xbe0 [ 9657.129570][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9657.129570][ T903] ___sys_sendmsg+0xee/0x170 [ 9657.129570][ T903] __sys_sendmsg+0xcd/0x170 [ 9657.129570][ T903] do_syscall_64+0xc6/0x1e0 [ 9657.129570][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9657.129570][ T903] [ 9667.293948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9667.294824][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9667.294824][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9667.294824][ T903] ip6_validate_gw+0x3eb/0x790 [ 9667.294824][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9667.294824][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9667.294824][ T903] ip6_route_add+0x1c/0x140 [ 9667.294824][ T903] inet6_rtm_newroute+0x104/0x110 [ 9667.294824][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.294824][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.294824][ T903] netlink_unicast+0x449/0x710 [ 9667.294824][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.294824][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.294824][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.294824][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.294824][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.294824][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9667.294824][ T903] [ 9667.297127][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9667.297127][ T903] netdev_get_by_index+0x5e/0x80 [ 9667.297127][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9667.297127][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9667.297127][ T903] ip6_route_add+0x1c/0x140 [ 9667.297127][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9667.297127][ T903] inet6_addr_add+0x4f8/0xa40 [ 9667.297127][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9667.297127][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.297127][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.297127][ T903] netlink_unicast+0x449/0x710 [ 9667.297127][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.297127][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.297127][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.297127][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.297127][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.297127][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9667.297127][ T903] [ 9667.299552][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9667.299552][ T903] netdev_get_by_index+0x5e/0x80 [ 9667.299552][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9667.299552][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9667.299552][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9667.299552][ T903] ipv6_add_addr+0x411/0x2000 [ 9667.299552][ T903] inet6_addr_add+0x30e/0xa40 [ 9667.299552][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9667.299552][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.299552][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.299552][ T903] netlink_unicast+0x449/0x710 [ 9667.299552][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.299552][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.299552][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.299552][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.299552][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.299552][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9667.299552][ T903] [ 9667.301962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9667.301962][ T903] netdev_get_by_index+0x5e/0x80 [ 9667.301962][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9667.301962][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9667.301962][ T903] ip6_route_add+0x1c/0x140 [ 9667.301962][ T903] addrconf_add_mroute+0x129/0x180 [ 9667.301962][ T903] addrconf_add_dev+0xe2/0x170 [ 9667.301962][ T903] inet6_addr_add+0x12f/0xa40 [ 9667.301962][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9667.301962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.301962][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.301962][ T903] netlink_unicast+0x449/0x710 [ 9667.301962][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.301962][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.301962][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.301962][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.301962][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.301962][ T903] [ 9667.304296][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9667.304296][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9667.304296][ T903] ipv6_find_idev+0x102/0x170 [ 9667.304296][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9667.304296][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.304296][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.304296][ T903] netlink_unicast+0x449/0x710 [ 9667.304296][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.304296][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.304296][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.304296][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.304296][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.304296][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9667.304296][ T903] [ 9667.306134][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9667.306134][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9667.306134][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9667.306134][ T903] ipv6_find_idev+0x102/0x170 [ 9667.306134][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9667.306134][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9667.306134][ T903] netlink_rcv_skb+0x130/0x360 [ 9667.306134][ T903] netlink_unicast+0x449/0x710 [ 9667.306134][ T903] netlink_sendmsg+0x723/0xbe0 [ 9667.306134][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9667.306134][ T903] ___sys_sendmsg+0xee/0x170 [ 9667.306134][ T903] __sys_sendmsg+0xcd/0x170 [ 9667.306134][ T903] do_syscall_64+0xc6/0x1e0 [ 9667.306134][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9667.306134][ T903] [ 9677.549856][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9677.550349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9677.550349][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9677.550349][ T903] ip6_validate_gw+0x3eb/0x790 [ 9677.550349][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9677.550349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9677.550349][ T903] ip6_route_add+0x1c/0x140 [ 9677.550349][ T903] inet6_rtm_newroute+0x104/0x110 [ 9677.550349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.550349][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.550349][ T903] netlink_unicast+0x449/0x710 [ 9677.550349][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.550349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.550349][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.550349][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.550349][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.550349][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9677.550349][ T903] [ 9677.552628][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9677.552628][ T903] netdev_get_by_index+0x5e/0x80 [ 9677.552628][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9677.552628][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9677.552628][ T903] ip6_route_add+0x1c/0x140 [ 9677.552628][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9677.552628][ T903] inet6_addr_add+0x4f8/0xa40 [ 9677.552628][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9677.552628][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.552628][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.552628][ T903] netlink_unicast+0x449/0x710 [ 9677.552628][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.552628][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.552628][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.552628][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.552628][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.552628][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9677.552628][ T903] [ 9677.555026][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9677.555026][ T903] netdev_get_by_index+0x5e/0x80 [ 9677.555026][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9677.555026][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9677.555026][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9677.555026][ T903] ipv6_add_addr+0x411/0x2000 [ 9677.555026][ T903] inet6_addr_add+0x30e/0xa40 [ 9677.555026][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9677.555026][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.555026][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.555026][ T903] netlink_unicast+0x449/0x710 [ 9677.555026][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.555026][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.555026][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.555026][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.555026][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.555026][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9677.555026][ T903] [ 9677.557308][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9677.557308][ T903] netdev_get_by_index+0x5e/0x80 [ 9677.557308][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9677.557308][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9677.557308][ T903] ip6_route_add+0x1c/0x140 [ 9677.557308][ T903] addrconf_add_mroute+0x129/0x180 [ 9677.557308][ T903] addrconf_add_dev+0xe2/0x170 [ 9677.557308][ T903] inet6_addr_add+0x12f/0xa40 [ 9677.557308][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9677.557308][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.557308][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.557308][ T903] netlink_unicast+0x449/0x710 [ 9677.557308][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.557308][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.557308][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.557308][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.557308][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.557308][ T903] [ 9677.559588][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9677.559588][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9677.559588][ T903] ipv6_find_idev+0x102/0x170 [ 9677.559588][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9677.559588][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.559588][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.559588][ T903] netlink_unicast+0x449/0x710 [ 9677.559588][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.559588][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.559588][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.559588][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.559588][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.559588][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9677.559588][ T903] [ 9677.561386][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9677.561386][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9677.561386][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9677.561386][ T903] ipv6_find_idev+0x102/0x170 [ 9677.561386][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9677.561386][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9677.561386][ T903] netlink_rcv_skb+0x130/0x360 [ 9677.561386][ T903] netlink_unicast+0x449/0x710 [ 9677.561386][ T903] netlink_sendmsg+0x723/0xbe0 [ 9677.561386][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9677.561386][ T903] ___sys_sendmsg+0xee/0x170 [ 9677.561386][ T903] __sys_sendmsg+0xcd/0x170 [ 9677.561386][ T903] do_syscall_64+0xc6/0x1e0 [ 9677.561386][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9677.561386][ T903] [ 9687.805868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9687.806731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9687.806731][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9687.806731][ T903] ip6_validate_gw+0x3eb/0x790 [ 9687.806731][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9687.806731][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9687.806731][ T903] ip6_route_add+0x1c/0x140 [ 9687.806731][ T903] inet6_rtm_newroute+0x104/0x110 [ 9687.806731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.806731][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.806731][ T903] netlink_unicast+0x449/0x710 [ 9687.806731][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.806731][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.806731][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.806731][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.806731][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.806731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9687.806731][ T903] [ 9687.809015][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9687.809015][ T903] netdev_get_by_index+0x5e/0x80 [ 9687.809015][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9687.809015][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9687.809015][ T903] ip6_route_add+0x1c/0x140 [ 9687.809015][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9687.809015][ T903] inet6_addr_add+0x4f8/0xa40 [ 9687.809015][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9687.809015][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.809015][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.809015][ T903] netlink_unicast+0x449/0x710 [ 9687.809015][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.809015][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.809015][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.809015][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.809015][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.809015][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9687.809015][ T903] [ 9687.811333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9687.811333][ T903] netdev_get_by_index+0x5e/0x80 [ 9687.811333][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9687.811333][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9687.811333][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9687.811333][ T903] ipv6_add_addr+0x411/0x2000 [ 9687.811333][ T903] inet6_addr_add+0x30e/0xa40 [ 9687.811333][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9687.811333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.811333][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.811333][ T903] netlink_unicast+0x449/0x710 [ 9687.811333][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.811333][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.811333][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.811333][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.811333][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.811333][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9687.811333][ T903] [ 9687.813742][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9687.813742][ T903] netdev_get_by_index+0x5e/0x80 [ 9687.813742][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9687.813742][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9687.813742][ T903] ip6_route_add+0x1c/0x140 [ 9687.813742][ T903] addrconf_add_mroute+0x129/0x180 [ 9687.813742][ T903] addrconf_add_dev+0xe2/0x170 [ 9687.813742][ T903] inet6_addr_add+0x12f/0xa40 [ 9687.813742][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9687.813742][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.813742][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.813742][ T903] netlink_unicast+0x449/0x710 [ 9687.813742][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.813742][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.813742][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.813742][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.813742][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.813742][ T903] [ 9687.815963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9687.815963][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9687.815963][ T903] ipv6_find_idev+0x102/0x170 [ 9687.815963][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9687.815963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.815963][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.815963][ T903] netlink_unicast+0x449/0x710 [ 9687.815963][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.815963][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.815963][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.815963][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.815963][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.815963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9687.815963][ T903] [ 9687.817734][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9687.817734][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9687.817734][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9687.817734][ T903] ipv6_find_idev+0x102/0x170 [ 9687.817734][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9687.817734][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9687.817734][ T903] netlink_rcv_skb+0x130/0x360 [ 9687.817734][ T903] netlink_unicast+0x449/0x710 [ 9687.817734][ T903] netlink_sendmsg+0x723/0xbe0 [ 9687.817734][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9687.817734][ T903] ___sys_sendmsg+0xee/0x170 [ 9687.817734][ T903] __sys_sendmsg+0xcd/0x170 [ 9687.817734][ T903] do_syscall_64+0xc6/0x1e0 [ 9687.817734][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9687.817734][ T903] [ 9698.061867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9698.062835][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9698.062835][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9698.062835][ T903] ip6_validate_gw+0x3eb/0x790 [ 9698.062835][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9698.062835][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9698.062835][ T903] ip6_route_add+0x1c/0x140 [ 9698.062835][ T903] inet6_rtm_newroute+0x104/0x110 [ 9698.062835][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.062835][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.062835][ T903] netlink_unicast+0x449/0x710 [ 9698.062835][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.062835][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.062835][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.062835][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.062835][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.062835][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9698.062835][ T903] [ 9698.065038][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9698.065038][ T903] netdev_get_by_index+0x5e/0x80 [ 9698.065038][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9698.065038][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9698.065038][ T903] ip6_route_add+0x1c/0x140 [ 9698.065038][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9698.065038][ T903] inet6_addr_add+0x4f8/0xa40 [ 9698.065038][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9698.065038][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.065038][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.065038][ T903] netlink_unicast+0x449/0x710 [ 9698.065038][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.065038][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.065038][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.065038][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.065038][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.065038][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9698.065038][ T903] [ 9698.067381][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9698.067381][ T903] netdev_get_by_index+0x5e/0x80 [ 9698.067381][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9698.067381][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9698.067381][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9698.067381][ T903] ipv6_add_addr+0x411/0x2000 [ 9698.067381][ T903] inet6_addr_add+0x30e/0xa40 [ 9698.067381][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9698.067381][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.067381][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.067381][ T903] netlink_unicast+0x449/0x710 [ 9698.067381][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.067381][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.067381][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.067381][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.067381][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.067381][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9698.067381][ T903] [ 9698.069783][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9698.069783][ T903] netdev_get_by_index+0x5e/0x80 [ 9698.069783][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9698.069783][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9698.069783][ T903] ip6_route_add+0x1c/0x140 [ 9698.069783][ T903] addrconf_add_mroute+0x129/0x180 [ 9698.069783][ T903] addrconf_add_dev+0xe2/0x170 [ 9698.069783][ T903] inet6_addr_add+0x12f/0xa40 [ 9698.069783][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9698.069783][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.069783][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.069783][ T903] netlink_unicast+0x449/0x710 [ 9698.069783][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.069783][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.069783][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.069783][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.069783][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.069783][ T903] [ 9698.072074][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9698.072074][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9698.072074][ T903] ipv6_find_idev+0x102/0x170 [ 9698.072074][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9698.072074][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.072074][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.072074][ T903] netlink_unicast+0x449/0x710 [ 9698.072074][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.072074][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.072074][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.072074][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.072074][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.072074][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9698.072074][ T903] [ 9698.073882][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9698.073882][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9698.073882][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9698.073882][ T903] ipv6_find_idev+0x102/0x170 [ 9698.073882][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9698.073882][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9698.073882][ T903] netlink_rcv_skb+0x130/0x360 [ 9698.073882][ T903] netlink_unicast+0x449/0x710 [ 9698.073882][ T903] netlink_sendmsg+0x723/0xbe0 [ 9698.073882][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9698.073882][ T903] ___sys_sendmsg+0xee/0x170 [ 9698.073882][ T903] __sys_sendmsg+0xcd/0x170 [ 9698.073882][ T903] do_syscall_64+0xc6/0x1e0 [ 9698.073882][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9698.073882][ T903] [ 9708.317952][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9708.318427][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9708.318427][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9708.318427][ T903] ip6_validate_gw+0x3eb/0x790 [ 9708.318427][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9708.318427][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9708.318427][ T903] ip6_route_add+0x1c/0x140 [ 9708.318427][ T903] inet6_rtm_newroute+0x104/0x110 [ 9708.318427][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.318427][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.318427][ T903] netlink_unicast+0x449/0x710 [ 9708.318427][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.318427][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.318427][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.318427][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.318427][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.318427][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.318427][ T903] [ 9708.320711][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9708.320711][ T903] netdev_get_by_index+0x5e/0x80 [ 9708.320711][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9708.320711][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9708.320711][ T903] ip6_route_add+0x1c/0x140 [ 9708.320711][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9708.320711][ T903] inet6_addr_add+0x4f8/0xa40 [ 9708.320711][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9708.320711][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.320711][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.320711][ T903] netlink_unicast+0x449/0x710 [ 9708.320711][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.320711][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.320711][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.320711][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.320711][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.320711][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.320711][ T903] [ 9708.323137][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9708.323137][ T903] netdev_get_by_index+0x5e/0x80 [ 9708.323137][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9708.323137][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9708.323137][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9708.323137][ T903] ipv6_add_addr+0x411/0x2000 [ 9708.323137][ T903] inet6_addr_add+0x30e/0xa40 [ 9708.323137][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9708.323137][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.323137][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.323137][ T903] netlink_unicast+0x449/0x710 [ 9708.323137][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.323137][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.323137][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.323137][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.323137][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.323137][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.323137][ T903] [ 9708.325451][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9708.325451][ T903] netdev_get_by_index+0x5e/0x80 [ 9708.325451][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9708.325451][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9708.325451][ T903] ip6_route_add+0x1c/0x140 [ 9708.325451][ T903] addrconf_add_mroute+0x129/0x180 [ 9708.325451][ T903] addrconf_add_dev+0xe2/0x170 [ 9708.325451][ T903] inet6_addr_add+0x12f/0xa40 [ 9708.325451][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9708.325451][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.325451][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.325451][ T903] netlink_unicast+0x449/0x710 [ 9708.325451][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.325451][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.325451][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.325451][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.325451][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.325451][ T903] [ 9708.327770][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9708.327770][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9708.327770][ T903] ipv6_find_idev+0x102/0x170 [ 9708.327770][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9708.327770][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.327770][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.327770][ T903] netlink_unicast+0x449/0x710 [ 9708.327770][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.327770][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.327770][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.327770][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.327770][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.327770][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.327770][ T903] [ 9708.329571][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9708.329571][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9708.329571][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9708.329571][ T903] ipv6_find_idev+0x102/0x170 [ 9708.329571][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9708.329571][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9708.329571][ T903] netlink_rcv_skb+0x130/0x360 [ 9708.329571][ T903] netlink_unicast+0x449/0x710 [ 9708.329571][ T903] netlink_sendmsg+0x723/0xbe0 [ 9708.329571][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9708.329571][ T903] ___sys_sendmsg+0xee/0x170 [ 9708.329571][ T903] __sys_sendmsg+0xcd/0x170 [ 9708.329571][ T903] do_syscall_64+0xc6/0x1e0 [ 9708.329571][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.329571][ T903] [ 9718.573982][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9718.574474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9718.574474][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9718.574474][ T903] ip6_validate_gw+0x3eb/0x790 [ 9718.574474][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9718.574474][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9718.574474][ T903] ip6_route_add+0x1c/0x140 [ 9718.574474][ T903] inet6_rtm_newroute+0x104/0x110 [ 9718.574474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.574474][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.574474][ T903] netlink_unicast+0x449/0x710 [ 9718.574474][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.574474][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.574474][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.574474][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.574474][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.574474][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9718.574474][ T903] [ 9718.576644][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9718.576644][ T903] netdev_get_by_index+0x5e/0x80 [ 9718.576644][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9718.576644][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9718.576644][ T903] ip6_route_add+0x1c/0x140 [ 9718.576644][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9718.576644][ T903] inet6_addr_add+0x4f8/0xa40 [ 9718.576644][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9718.576644][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.576644][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.576644][ T903] netlink_unicast+0x449/0x710 [ 9718.576644][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.576644][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.576644][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.576644][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.576644][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.576644][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9718.576644][ T903] [ 9718.579071][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9718.579071][ T903] netdev_get_by_index+0x5e/0x80 [ 9718.579071][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9718.579071][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9718.579071][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9718.579071][ T903] ipv6_add_addr+0x411/0x2000 [ 9718.579071][ T903] inet6_addr_add+0x30e/0xa40 [ 9718.579071][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9718.579071][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.579071][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.579071][ T903] netlink_unicast+0x449/0x710 [ 9718.579071][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.579071][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.579071][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.579071][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.579071][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.579071][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9718.579071][ T903] [ 9718.581413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9718.581413][ T903] netdev_get_by_index+0x5e/0x80 [ 9718.581413][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9718.581413][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9718.581413][ T903] ip6_route_add+0x1c/0x140 [ 9718.581413][ T903] addrconf_add_mroute+0x129/0x180 [ 9718.581413][ T903] addrconf_add_dev+0xe2/0x170 [ 9718.581413][ T903] inet6_addr_add+0x12f/0xa40 [ 9718.581413][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9718.581413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.581413][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.581413][ T903] netlink_unicast+0x449/0x710 [ 9718.581413][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.581413][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.581413][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.581413][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.581413][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.581413][ T903] [ 9718.583704][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9718.583704][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9718.583704][ T903] ipv6_find_idev+0x102/0x170 [ 9718.583704][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9718.583704][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.583704][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.583704][ T903] netlink_unicast+0x449/0x710 [ 9718.583704][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.583704][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.583704][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.583704][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.583704][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.583704][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9718.583704][ T903] [ 9718.585525][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9718.585525][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9718.585525][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9718.585525][ T903] ipv6_find_idev+0x102/0x170 [ 9718.585525][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9718.585525][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9718.585525][ T903] netlink_rcv_skb+0x130/0x360 [ 9718.585525][ T903] netlink_unicast+0x449/0x710 [ 9718.585525][ T903] netlink_sendmsg+0x723/0xbe0 [ 9718.585525][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9718.585525][ T903] ___sys_sendmsg+0xee/0x170 [ 9718.585525][ T903] __sys_sendmsg+0xcd/0x170 [ 9718.585525][ T903] do_syscall_64+0xc6/0x1e0 [ 9718.585525][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9718.585525][ T903] [ 9728.613868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9728.614395][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9728.614395][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9728.614395][ T903] ip6_validate_gw+0x3eb/0x790 [ 9728.614395][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9728.614395][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9728.614395][ T903] ip6_route_add+0x1c/0x140 [ 9728.614395][ T903] inet6_rtm_newroute+0x104/0x110 [ 9728.614395][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.614395][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.614395][ T903] netlink_unicast+0x449/0x710 [ 9728.614395][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.614395][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.614395][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.614395][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.614395][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.614395][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9728.614395][ T903] [ 9728.616591][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9728.616591][ T903] netdev_get_by_index+0x5e/0x80 [ 9728.616591][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9728.616591][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9728.616591][ T903] ip6_route_add+0x1c/0x140 [ 9728.616591][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9728.616591][ T903] inet6_addr_add+0x4f8/0xa40 [ 9728.616591][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9728.616591][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.616591][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.616591][ T903] netlink_unicast+0x449/0x710 [ 9728.616591][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.616591][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.616591][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.616591][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.616591][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.616591][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9728.616591][ T903] [ 9728.619043][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9728.619043][ T903] netdev_get_by_index+0x5e/0x80 [ 9728.619043][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9728.619043][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9728.619043][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9728.619043][ T903] ipv6_add_addr+0x411/0x2000 [ 9728.619043][ T903] inet6_addr_add+0x30e/0xa40 [ 9728.619043][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9728.619043][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.619043][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.619043][ T903] netlink_unicast+0x449/0x710 [ 9728.619043][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.619043][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.619043][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.619043][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.619043][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.619043][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9728.619043][ T903] [ 9728.621421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9728.621421][ T903] netdev_get_by_index+0x5e/0x80 [ 9728.621421][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9728.621421][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9728.621421][ T903] ip6_route_add+0x1c/0x140 [ 9728.621421][ T903] addrconf_add_mroute+0x129/0x180 [ 9728.621421][ T903] addrconf_add_dev+0xe2/0x170 [ 9728.621421][ T903] inet6_addr_add+0x12f/0xa40 [ 9728.621421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9728.621421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.621421][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.621421][ T903] netlink_unicast+0x449/0x710 [ 9728.621421][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.621421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.621421][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.621421][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.621421][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.621421][ T903] [ 9728.623759][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9728.623759][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9728.623759][ T903] ipv6_find_idev+0x102/0x170 [ 9728.623759][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9728.623759][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.623759][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.623759][ T903] netlink_unicast+0x449/0x710 [ 9728.623759][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.623759][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.623759][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.623759][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.623759][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.623759][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9728.623759][ T903] [ 9728.625584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9728.625584][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9728.625584][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9728.625584][ T903] ipv6_find_idev+0x102/0x170 [ 9728.625584][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9728.625584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9728.625584][ T903] netlink_rcv_skb+0x130/0x360 [ 9728.625584][ T903] netlink_unicast+0x449/0x710 [ 9728.625584][ T903] netlink_sendmsg+0x723/0xbe0 [ 9728.625584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9728.625584][ T903] ___sys_sendmsg+0xee/0x170 [ 9728.625584][ T903] __sys_sendmsg+0xcd/0x170 [ 9728.625584][ T903] do_syscall_64+0xc6/0x1e0 [ 9728.625584][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9728.625584][ T903] [ 9738.653865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9738.654364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9738.654364][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9738.654364][ T903] ip6_validate_gw+0x3eb/0x790 [ 9738.654364][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9738.654364][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9738.654364][ T903] ip6_route_add+0x1c/0x140 [ 9738.654364][ T903] inet6_rtm_newroute+0x104/0x110 [ 9738.654364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.654364][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.654364][ T903] netlink_unicast+0x449/0x710 [ 9738.654364][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.654364][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.654364][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.654364][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.654364][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.654364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9738.654364][ T903] [ 9738.656741][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9738.656741][ T903] netdev_get_by_index+0x5e/0x80 [ 9738.656741][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9738.656741][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9738.656741][ T903] ip6_route_add+0x1c/0x140 [ 9738.656741][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9738.656741][ T903] inet6_addr_add+0x4f8/0xa40 [ 9738.656741][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9738.656741][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.656741][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.656741][ T903] netlink_unicast+0x449/0x710 [ 9738.656741][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.656741][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.656741][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.656741][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.656741][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.656741][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9738.656741][ T903] [ 9738.659087][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9738.659087][ T903] netdev_get_by_index+0x5e/0x80 [ 9738.659087][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9738.659087][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9738.659087][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9738.659087][ T903] ipv6_add_addr+0x411/0x2000 [ 9738.659087][ T903] inet6_addr_add+0x30e/0xa40 [ 9738.659087][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9738.659087][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.659087][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.659087][ T903] netlink_unicast+0x449/0x710 [ 9738.659087][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.659087][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.659087][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.659087][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.659087][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.659087][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9738.659087][ T903] [ 9738.661423][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9738.661423][ T903] netdev_get_by_index+0x5e/0x80 [ 9738.661423][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9738.661423][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9738.661423][ T903] ip6_route_add+0x1c/0x140 [ 9738.661423][ T903] addrconf_add_mroute+0x129/0x180 [ 9738.661423][ T903] addrconf_add_dev+0xe2/0x170 [ 9738.661423][ T903] inet6_addr_add+0x12f/0xa40 [ 9738.661423][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9738.661423][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.661423][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.661423][ T903] netlink_unicast+0x449/0x710 [ 9738.661423][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.661423][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.661423][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.661423][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.661423][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.661423][ T903] [ 9738.663729][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9738.663729][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9738.663729][ T903] ipv6_find_idev+0x102/0x170 [ 9738.663729][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9738.663729][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.663729][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.663729][ T903] netlink_unicast+0x449/0x710 [ 9738.663729][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.663729][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.663729][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.663729][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.663729][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.663729][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9738.663729][ T903] [ 9738.665535][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9738.665535][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9738.665535][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9738.665535][ T903] ipv6_find_idev+0x102/0x170 [ 9738.665535][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9738.665535][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9738.665535][ T903] netlink_rcv_skb+0x130/0x360 [ 9738.665535][ T903] netlink_unicast+0x449/0x710 [ 9738.665535][ T903] netlink_sendmsg+0x723/0xbe0 [ 9738.665535][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9738.665535][ T903] ___sys_sendmsg+0xee/0x170 [ 9738.665535][ T903] __sys_sendmsg+0xcd/0x170 [ 9738.665535][ T903] do_syscall_64+0xc6/0x1e0 [ 9738.665535][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9738.665535][ T903] [ 9748.701796][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9748.702263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9748.702263][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9748.702263][ T903] ip6_validate_gw+0x3eb/0x790 [ 9748.702263][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9748.702263][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9748.702263][ T903] ip6_route_add+0x1c/0x140 [ 9748.702263][ T903] inet6_rtm_newroute+0x104/0x110 [ 9748.702263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.702263][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.702263][ T903] netlink_unicast+0x449/0x710 [ 9748.702263][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.702263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.702263][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.702263][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.702263][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.702263][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9748.702263][ T903] [ 9748.704537][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9748.704537][ T903] netdev_get_by_index+0x5e/0x80 [ 9748.704537][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9748.704537][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9748.704537][ T903] ip6_route_add+0x1c/0x140 [ 9748.704537][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9748.704537][ T903] inet6_addr_add+0x4f8/0xa40 [ 9748.704537][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9748.704537][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.704537][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.704537][ T903] netlink_unicast+0x449/0x710 [ 9748.704537][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.704537][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.704537][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.704537][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.704537][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.704537][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9748.704537][ T903] [ 9748.706969][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9748.706969][ T903] netdev_get_by_index+0x5e/0x80 [ 9748.706969][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9748.706969][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9748.706969][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9748.706969][ T903] ipv6_add_addr+0x411/0x2000 [ 9748.706969][ T903] inet6_addr_add+0x30e/0xa40 [ 9748.706969][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9748.706969][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.706969][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.706969][ T903] netlink_unicast+0x449/0x710 [ 9748.706969][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.706969][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.706969][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.706969][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.706969][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.706969][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9748.706969][ T903] [ 9748.709398][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9748.709398][ T903] netdev_get_by_index+0x5e/0x80 [ 9748.709398][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9748.709398][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9748.709398][ T903] ip6_route_add+0x1c/0x140 [ 9748.709398][ T903] addrconf_add_mroute+0x129/0x180 [ 9748.709398][ T903] addrconf_add_dev+0xe2/0x170 [ 9748.709398][ T903] inet6_addr_add+0x12f/0xa40 [ 9748.709398][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9748.709398][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.709398][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.709398][ T903] netlink_unicast+0x449/0x710 [ 9748.709398][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.709398][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.709398][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.709398][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.709398][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.709398][ T903] [ 9748.711740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9748.711740][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9748.711740][ T903] ipv6_find_idev+0x102/0x170 [ 9748.711740][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9748.711740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.711740][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.711740][ T903] netlink_unicast+0x449/0x710 [ 9748.711740][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.711740][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.711740][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.711740][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.711740][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.711740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9748.711740][ T903] [ 9748.713607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9748.713607][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9748.713607][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9748.713607][ T903] ipv6_find_idev+0x102/0x170 [ 9748.713607][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9748.713607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9748.713607][ T903] netlink_rcv_skb+0x130/0x360 [ 9748.713607][ T903] netlink_unicast+0x449/0x710 [ 9748.713607][ T903] netlink_sendmsg+0x723/0xbe0 [ 9748.713607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9748.713607][ T903] ___sys_sendmsg+0xee/0x170 [ 9748.713607][ T903] __sys_sendmsg+0xcd/0x170 [ 9748.713607][ T903] do_syscall_64+0xc6/0x1e0 [ 9748.713607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9748.713607][ T903] [ 9758.957789][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9758.958208][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9758.958208][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9758.958208][ T903] ip6_validate_gw+0x3eb/0x790 [ 9758.958208][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9758.958208][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9758.958208][ T903] ip6_route_add+0x1c/0x140 [ 9758.958208][ T903] inet6_rtm_newroute+0x104/0x110 [ 9758.958208][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.958208][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.958208][ T903] netlink_unicast+0x449/0x710 [ 9758.958208][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.958208][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.958208][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.958208][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.958208][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.958208][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9758.958208][ T903] [ 9758.960482][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9758.960482][ T903] netdev_get_by_index+0x5e/0x80 [ 9758.960482][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9758.960482][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9758.960482][ T903] ip6_route_add+0x1c/0x140 [ 9758.960482][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9758.960482][ T903] inet6_addr_add+0x4f8/0xa40 [ 9758.960482][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9758.960482][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.960482][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.960482][ T903] netlink_unicast+0x449/0x710 [ 9758.960482][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.960482][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.960482][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.960482][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.960482][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.960482][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9758.960482][ T903] [ 9758.962874][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9758.962874][ T903] netdev_get_by_index+0x5e/0x80 [ 9758.962874][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9758.962874][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9758.962874][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9758.962874][ T903] ipv6_add_addr+0x411/0x2000 [ 9758.962874][ T903] inet6_addr_add+0x30e/0xa40 [ 9758.962874][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9758.962874][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.962874][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.962874][ T903] netlink_unicast+0x449/0x710 [ 9758.962874][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.962874][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.962874][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.962874][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.962874][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.962874][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9758.962874][ T903] [ 9758.965761][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9758.965761][ T903] netdev_get_by_index+0x5e/0x80 [ 9758.965761][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9758.965761][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9758.965761][ T903] ip6_route_add+0x1c/0x140 [ 9758.965761][ T903] addrconf_add_mroute+0x129/0x180 [ 9758.965761][ T903] addrconf_add_dev+0xe2/0x170 [ 9758.965761][ T903] inet6_addr_add+0x12f/0xa40 [ 9758.965761][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9758.965761][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.965761][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.965761][ T903] netlink_unicast+0x449/0x710 [ 9758.965761][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.965761][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.965761][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.965761][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.965761][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.965761][ T903] [ 9758.968124][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9758.968124][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9758.968124][ T903] ipv6_find_idev+0x102/0x170 [ 9758.968124][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9758.968124][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.968124][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.968124][ T903] netlink_unicast+0x449/0x710 [ 9758.968124][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.968124][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.968124][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.968124][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.968124][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.968124][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9758.968124][ T903] [ 9758.970329][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9758.970329][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9758.970329][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9758.970329][ T903] ipv6_find_idev+0x102/0x170 [ 9758.970329][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9758.970329][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9758.970329][ T903] netlink_rcv_skb+0x130/0x360 [ 9758.970329][ T903] netlink_unicast+0x449/0x710 [ 9758.970329][ T903] netlink_sendmsg+0x723/0xbe0 [ 9758.970329][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9758.970329][ T903] ___sys_sendmsg+0xee/0x170 [ 9758.970329][ T903] __sys_sendmsg+0xcd/0x170 [ 9758.970329][ T903] do_syscall_64+0xc6/0x1e0 [ 9758.970329][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9758.970329][ T903] [ 9769.213795][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9769.214219][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9769.214219][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9769.214219][ T903] ip6_validate_gw+0x3eb/0x790 [ 9769.214219][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9769.214219][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9769.214219][ T903] ip6_route_add+0x1c/0x140 [ 9769.214219][ T903] inet6_rtm_newroute+0x104/0x110 [ 9769.214219][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.214219][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.214219][ T903] netlink_unicast+0x449/0x710 [ 9769.214219][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.214219][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.214219][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.214219][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.214219][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.214219][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9769.214219][ T903] [ 9769.216491][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9769.216491][ T903] netdev_get_by_index+0x5e/0x80 [ 9769.216491][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9769.216491][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9769.216491][ T903] ip6_route_add+0x1c/0x140 [ 9769.216491][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9769.216491][ T903] inet6_addr_add+0x4f8/0xa40 [ 9769.216491][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9769.216491][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.216491][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.216491][ T903] netlink_unicast+0x449/0x710 [ 9769.216491][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.216491][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.216491][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.216491][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.216491][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.216491][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9769.216491][ T903] [ 9769.218904][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9769.218904][ T903] netdev_get_by_index+0x5e/0x80 [ 9769.218904][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9769.218904][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9769.218904][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9769.218904][ T903] ipv6_add_addr+0x411/0x2000 [ 9769.218904][ T903] inet6_addr_add+0x30e/0xa40 [ 9769.218904][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9769.218904][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.218904][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.218904][ T903] netlink_unicast+0x449/0x710 [ 9769.218904][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.218904][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.218904][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.218904][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.218904][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.218904][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9769.218904][ T903] [ 9769.221305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9769.221305][ T903] netdev_get_by_index+0x5e/0x80 [ 9769.221305][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9769.221305][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9769.221305][ T903] ip6_route_add+0x1c/0x140 [ 9769.221305][ T903] addrconf_add_mroute+0x129/0x180 [ 9769.221305][ T903] addrconf_add_dev+0xe2/0x170 [ 9769.221305][ T903] inet6_addr_add+0x12f/0xa40 [ 9769.221305][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9769.221305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.221305][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.221305][ T903] netlink_unicast+0x449/0x710 [ 9769.221305][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.221305][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.221305][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.221305][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.221305][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.221305][ T903] [ 9769.223674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9769.223674][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9769.223674][ T903] ipv6_find_idev+0x102/0x170 [ 9769.223674][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9769.223674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.223674][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.223674][ T903] netlink_unicast+0x449/0x710 [ 9769.223674][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.223674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.223674][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.223674][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.223674][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.223674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9769.223674][ T903] [ 9769.225528][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9769.225528][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9769.225528][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9769.225528][ T903] ipv6_find_idev+0x102/0x170 [ 9769.225528][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9769.225528][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9769.225528][ T903] netlink_rcv_skb+0x130/0x360 [ 9769.225528][ T903] netlink_unicast+0x449/0x710 [ 9769.225528][ T903] netlink_sendmsg+0x723/0xbe0 [ 9769.225528][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9769.225528][ T903] ___sys_sendmsg+0xee/0x170 [ 9769.225528][ T903] __sys_sendmsg+0xcd/0x170 [ 9769.225528][ T903] do_syscall_64+0xc6/0x1e0 [ 9769.225528][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9769.225528][ T903] [ 9779.469807][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9779.470252][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9779.470252][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9779.470252][ T903] ip6_validate_gw+0x3eb/0x790 [ 9779.470252][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9779.470252][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9779.470252][ T903] ip6_route_add+0x1c/0x140 [ 9779.470252][ T903] inet6_rtm_newroute+0x104/0x110 [ 9779.470252][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.470252][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.470252][ T903] netlink_unicast+0x449/0x710 [ 9779.470252][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.470252][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.470252][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.470252][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.470252][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.470252][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9779.470252][ T903] [ 9779.472534][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9779.472534][ T903] netdev_get_by_index+0x5e/0x80 [ 9779.472534][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9779.472534][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9779.472534][ T903] ip6_route_add+0x1c/0x140 [ 9779.472534][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9779.472534][ T903] inet6_addr_add+0x4f8/0xa40 [ 9779.472534][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9779.472534][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.472534][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.472534][ T903] netlink_unicast+0x449/0x710 [ 9779.472534][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.472534][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.472534][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.472534][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.472534][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.472534][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9779.472534][ T903] [ 9779.474920][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9779.474920][ T903] netdev_get_by_index+0x5e/0x80 [ 9779.474920][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9779.474920][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9779.474920][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9779.474920][ T903] ipv6_add_addr+0x411/0x2000 [ 9779.474920][ T903] inet6_addr_add+0x30e/0xa40 [ 9779.474920][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9779.474920][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.474920][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.474920][ T903] netlink_unicast+0x449/0x710 [ 9779.474920][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.474920][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.474920][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.474920][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.474920][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.474920][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9779.474920][ T903] [ 9779.477313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9779.477313][ T903] netdev_get_by_index+0x5e/0x80 [ 9779.477313][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9779.477313][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9779.477313][ T903] ip6_route_add+0x1c/0x140 [ 9779.477313][ T903] addrconf_add_mroute+0x129/0x180 [ 9779.477313][ T903] addrconf_add_dev+0xe2/0x170 [ 9779.477313][ T903] inet6_addr_add+0x12f/0xa40 [ 9779.477313][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9779.477313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.477313][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.477313][ T903] netlink_unicast+0x449/0x710 [ 9779.477313][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.477313][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.477313][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.477313][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.477313][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.477313][ T903] [ 9779.479674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9779.479674][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9779.479674][ T903] ipv6_find_idev+0x102/0x170 [ 9779.479674][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9779.479674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.479674][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.479674][ T903] netlink_unicast+0x449/0x710 [ 9779.479674][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.479674][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.479674][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.479674][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.479674][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.479674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9779.479674][ T903] [ 9779.481607][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9779.481607][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9779.481607][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9779.481607][ T903] ipv6_find_idev+0x102/0x170 [ 9779.481607][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9779.481607][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9779.481607][ T903] netlink_rcv_skb+0x130/0x360 [ 9779.481607][ T903] netlink_unicast+0x449/0x710 [ 9779.481607][ T903] netlink_sendmsg+0x723/0xbe0 [ 9779.481607][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9779.481607][ T903] ___sys_sendmsg+0xee/0x170 [ 9779.481607][ T903] __sys_sendmsg+0xcd/0x170 [ 9779.481607][ T903] do_syscall_64+0xc6/0x1e0 [ 9779.481607][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9779.481607][ T903] [ 9789.725808][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9789.726294][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9789.726294][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9789.726294][ T903] ip6_validate_gw+0x3eb/0x790 [ 9789.726294][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9789.726294][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9789.726294][ T903] ip6_route_add+0x1c/0x140 [ 9789.726294][ T903] inet6_rtm_newroute+0x104/0x110 [ 9789.726294][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.726294][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.726294][ T903] netlink_unicast+0x449/0x710 [ 9789.726294][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.726294][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.726294][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.726294][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.726294][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.726294][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9789.726294][ T903] [ 9789.728565][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9789.728565][ T903] netdev_get_by_index+0x5e/0x80 [ 9789.728565][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9789.728565][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9789.728565][ T903] ip6_route_add+0x1c/0x140 [ 9789.728565][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9789.728565][ T903] inet6_addr_add+0x4f8/0xa40 [ 9789.728565][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9789.728565][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.728565][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.728565][ T903] netlink_unicast+0x449/0x710 [ 9789.728565][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.728565][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.728565][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.728565][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.728565][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.728565][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9789.728565][ T903] [ 9789.730968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9789.730968][ T903] netdev_get_by_index+0x5e/0x80 [ 9789.730968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9789.730968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9789.730968][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9789.730968][ T903] ipv6_add_addr+0x411/0x2000 [ 9789.730968][ T903] inet6_addr_add+0x30e/0xa40 [ 9789.730968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9789.730968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.730968][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.730968][ T903] netlink_unicast+0x449/0x710 [ 9789.730968][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.730968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.730968][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.730968][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.730968][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.730968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9789.730968][ T903] [ 9789.733349][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9789.733349][ T903] netdev_get_by_index+0x5e/0x80 [ 9789.733349][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9789.733349][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9789.733349][ T903] ip6_route_add+0x1c/0x140 [ 9789.733349][ T903] addrconf_add_mroute+0x129/0x180 [ 9789.733349][ T903] addrconf_add_dev+0xe2/0x170 [ 9789.733349][ T903] inet6_addr_add+0x12f/0xa40 [ 9789.733349][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9789.733349][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.733349][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.733349][ T903] netlink_unicast+0x449/0x710 [ 9789.733349][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.733349][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.733349][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.733349][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.733349][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.733349][ T903] [ 9789.735713][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9789.735713][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9789.735713][ T903] ipv6_find_idev+0x102/0x170 [ 9789.735713][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9789.735713][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.735713][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.735713][ T903] netlink_unicast+0x449/0x710 [ 9789.735713][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.735713][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.735713][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.735713][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.735713][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.735713][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9789.735713][ T903] [ 9789.737578][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9789.737578][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9789.737578][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9789.737578][ T903] ipv6_find_idev+0x102/0x170 [ 9789.737578][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9789.737578][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9789.737578][ T903] netlink_rcv_skb+0x130/0x360 [ 9789.737578][ T903] netlink_unicast+0x449/0x710 [ 9789.737578][ T903] netlink_sendmsg+0x723/0xbe0 [ 9789.737578][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9789.737578][ T903] ___sys_sendmsg+0xee/0x170 [ 9789.737578][ T903] __sys_sendmsg+0xcd/0x170 [ 9789.737578][ T903] do_syscall_64+0xc6/0x1e0 [ 9789.737578][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9789.737578][ T903] [ 9799.981800][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9799.982238][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9799.982238][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9799.982238][ T903] ip6_validate_gw+0x3eb/0x790 [ 9799.982238][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9799.982238][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9799.982238][ T903] ip6_route_add+0x1c/0x140 [ 9799.982238][ T903] inet6_rtm_newroute+0x104/0x110 [ 9799.982238][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.982238][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.982238][ T903] netlink_unicast+0x449/0x710 [ 9799.982238][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.982238][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.982238][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.982238][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.982238][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.982238][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9799.982238][ T903] [ 9799.984520][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9799.984520][ T903] netdev_get_by_index+0x5e/0x80 [ 9799.984520][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9799.984520][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9799.984520][ T903] ip6_route_add+0x1c/0x140 [ 9799.984520][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9799.984520][ T903] inet6_addr_add+0x4f8/0xa40 [ 9799.984520][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9799.984520][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.984520][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.984520][ T903] netlink_unicast+0x449/0x710 [ 9799.984520][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.984520][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.984520][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.984520][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.984520][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.984520][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9799.984520][ T903] [ 9799.986939][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9799.986939][ T903] netdev_get_by_index+0x5e/0x80 [ 9799.986939][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9799.986939][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9799.986939][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9799.986939][ T903] ipv6_add_addr+0x411/0x2000 [ 9799.986939][ T903] inet6_addr_add+0x30e/0xa40 [ 9799.986939][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9799.986939][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.986939][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.986939][ T903] netlink_unicast+0x449/0x710 [ 9799.986939][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.986939][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.986939][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.986939][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.986939][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.986939][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9799.986939][ T903] [ 9799.989326][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9799.989326][ T903] netdev_get_by_index+0x5e/0x80 [ 9799.989326][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9799.989326][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9799.989326][ T903] ip6_route_add+0x1c/0x140 [ 9799.989326][ T903] addrconf_add_mroute+0x129/0x180 [ 9799.989326][ T903] addrconf_add_dev+0xe2/0x170 [ 9799.989326][ T903] inet6_addr_add+0x12f/0xa40 [ 9799.989326][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9799.989326][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.989326][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.989326][ T903] netlink_unicast+0x449/0x710 [ 9799.989326][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.989326][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.989326][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.989326][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.989326][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.989326][ T903] [ 9799.991679][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9799.991679][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9799.991679][ T903] ipv6_find_idev+0x102/0x170 [ 9799.991679][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9799.991679][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.991679][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.991679][ T903] netlink_unicast+0x449/0x710 [ 9799.991679][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.991679][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.991679][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.991679][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.991679][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.991679][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9799.991679][ T903] [ 9799.993512][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9799.993512][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9799.993512][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9799.993512][ T903] ipv6_find_idev+0x102/0x170 [ 9799.993512][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9799.993512][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9799.993512][ T903] netlink_rcv_skb+0x130/0x360 [ 9799.993512][ T903] netlink_unicast+0x449/0x710 [ 9799.993512][ T903] netlink_sendmsg+0x723/0xbe0 [ 9799.993512][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9799.993512][ T903] ___sys_sendmsg+0xee/0x170 [ 9799.993512][ T903] __sys_sendmsg+0xcd/0x170 [ 9799.993512][ T903] do_syscall_64+0xc6/0x1e0 [ 9799.993512][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9799.993512][ T903] [ 9810.237893][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9810.238982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9810.238982][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9810.238982][ T903] ip6_validate_gw+0x3eb/0x790 [ 9810.238982][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9810.238982][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9810.238982][ T903] ip6_route_add+0x1c/0x140 [ 9810.238982][ T903] inet6_rtm_newroute+0x104/0x110 [ 9810.238982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.238982][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.238982][ T903] netlink_unicast+0x449/0x710 [ 9810.238982][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.238982][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.238982][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.238982][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.238982][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.238982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9810.238982][ T903] [ 9810.241284][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9810.241284][ T903] netdev_get_by_index+0x5e/0x80 [ 9810.241284][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9810.241284][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9810.241284][ T903] ip6_route_add+0x1c/0x140 [ 9810.241284][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9810.241284][ T903] inet6_addr_add+0x4f8/0xa40 [ 9810.241284][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9810.241284][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.241284][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.241284][ T903] netlink_unicast+0x449/0x710 [ 9810.241284][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.241284][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.241284][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.241284][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.241284][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.241284][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9810.241284][ T903] [ 9810.243647][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9810.243647][ T903] netdev_get_by_index+0x5e/0x80 [ 9810.243647][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9810.243647][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9810.243647][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9810.243647][ T903] ipv6_add_addr+0x411/0x2000 [ 9810.243647][ T903] inet6_addr_add+0x30e/0xa40 [ 9810.243647][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9810.243647][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.243647][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.243647][ T903] netlink_unicast+0x449/0x710 [ 9810.243647][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.243647][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.243647][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.243647][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.243647][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.243647][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9810.243647][ T903] [ 9810.246123][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9810.246123][ T903] netdev_get_by_index+0x5e/0x80 [ 9810.246123][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9810.246123][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9810.246123][ T903] ip6_route_add+0x1c/0x140 [ 9810.246123][ T903] addrconf_add_mroute+0x129/0x180 [ 9810.246123][ T903] addrconf_add_dev+0xe2/0x170 [ 9810.246123][ T903] inet6_addr_add+0x12f/0xa40 [ 9810.246123][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9810.246123][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.246123][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.246123][ T903] netlink_unicast+0x449/0x710 [ 9810.246123][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.246123][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.246123][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.246123][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.246123][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.246123][ T903] [ 9810.248531][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9810.248531][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9810.248531][ T903] ipv6_find_idev+0x102/0x170 [ 9810.248531][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9810.248531][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.248531][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.248531][ T903] netlink_unicast+0x449/0x710 [ 9810.248531][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.248531][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.248531][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.248531][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.248531][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.248531][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9810.248531][ T903] [ 9810.250410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9810.250410][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9810.250410][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9810.250410][ T903] ipv6_find_idev+0x102/0x170 [ 9810.250410][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9810.250410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9810.250410][ T903] netlink_rcv_skb+0x130/0x360 [ 9810.250410][ T903] netlink_unicast+0x449/0x710 [ 9810.250410][ T903] netlink_sendmsg+0x723/0xbe0 [ 9810.250410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9810.250410][ T903] ___sys_sendmsg+0xee/0x170 [ 9810.250410][ T903] __sys_sendmsg+0xcd/0x170 [ 9810.250410][ T903] do_syscall_64+0xc6/0x1e0 [ 9810.250410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9810.250410][ T903] [ 9820.493971][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9820.494530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9820.494530][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9820.494530][ T903] ip6_validate_gw+0x3eb/0x790 [ 9820.494530][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9820.494530][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9820.494530][ T903] ip6_route_add+0x1c/0x140 [ 9820.494530][ T903] inet6_rtm_newroute+0x104/0x110 [ 9820.494530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.494530][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.494530][ T903] netlink_unicast+0x449/0x710 [ 9820.494530][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.494530][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.494530][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.494530][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.494530][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.494530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9820.494530][ T903] [ 9820.496828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9820.496828][ T903] netdev_get_by_index+0x5e/0x80 [ 9820.496828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9820.496828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9820.496828][ T903] ip6_route_add+0x1c/0x140 [ 9820.496828][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9820.496828][ T903] inet6_addr_add+0x4f8/0xa40 [ 9820.496828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9820.496828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.496828][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.496828][ T903] netlink_unicast+0x449/0x710 [ 9820.496828][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.496828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.496828][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.496828][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.496828][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.496828][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9820.496828][ T903] [ 9820.499225][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9820.499225][ T903] netdev_get_by_index+0x5e/0x80 [ 9820.499225][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9820.499225][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9820.499225][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9820.499225][ T903] ipv6_add_addr+0x411/0x2000 [ 9820.499225][ T903] inet6_addr_add+0x30e/0xa40 [ 9820.499225][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9820.499225][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.499225][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.499225][ T903] netlink_unicast+0x449/0x710 [ 9820.499225][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.499225][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.499225][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.499225][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.499225][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.499225][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9820.499225][ T903] [ 9820.501546][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9820.501546][ T903] netdev_get_by_index+0x5e/0x80 [ 9820.501546][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9820.501546][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9820.501546][ T903] ip6_route_add+0x1c/0x140 [ 9820.501546][ T903] addrconf_add_mroute+0x129/0x180 [ 9820.501546][ T903] addrconf_add_dev+0xe2/0x170 [ 9820.501546][ T903] inet6_addr_add+0x12f/0xa40 [ 9820.501546][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9820.501546][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.501546][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.501546][ T903] netlink_unicast+0x449/0x710 [ 9820.501546][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.501546][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.501546][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.501546][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.501546][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.501546][ T903] [ 9820.504409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9820.504409][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9820.504409][ T903] ipv6_find_idev+0x102/0x170 [ 9820.504409][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9820.504409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.504409][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.504409][ T903] netlink_unicast+0x449/0x710 [ 9820.504409][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.504409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.504409][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.504409][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.504409][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.504409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9820.504409][ T903] [ 9820.506206][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9820.506206][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9820.506206][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9820.506206][ T903] ipv6_find_idev+0x102/0x170 [ 9820.506206][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9820.506206][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9820.506206][ T903] netlink_rcv_skb+0x130/0x360 [ 9820.506206][ T903] netlink_unicast+0x449/0x710 [ 9820.506206][ T903] netlink_sendmsg+0x723/0xbe0 [ 9820.506206][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9820.506206][ T903] ___sys_sendmsg+0xee/0x170 [ 9820.506206][ T903] __sys_sendmsg+0xcd/0x170 [ 9820.506206][ T903] do_syscall_64+0xc6/0x1e0 [ 9820.506206][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9820.506206][ T903] [ 9830.749868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9830.750388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9830.750388][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9830.750388][ T903] ip6_validate_gw+0x3eb/0x790 [ 9830.750388][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9830.750388][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9830.750388][ T903] ip6_route_add+0x1c/0x140 [ 9830.750388][ T903] inet6_rtm_newroute+0x104/0x110 [ 9830.750388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.750388][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.750388][ T903] netlink_unicast+0x449/0x710 [ 9830.750388][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.750388][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.750388][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.750388][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.750388][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.750388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9830.750388][ T903] [ 9830.752631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9830.752631][ T903] netdev_get_by_index+0x5e/0x80 [ 9830.752631][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9830.752631][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9830.752631][ T903] ip6_route_add+0x1c/0x140 [ 9830.752631][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9830.752631][ T903] inet6_addr_add+0x4f8/0xa40 [ 9830.752631][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9830.752631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.752631][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.752631][ T903] netlink_unicast+0x449/0x710 [ 9830.752631][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.752631][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.752631][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.752631][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.752631][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.752631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9830.752631][ T903] [ 9830.755444][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9830.755444][ T903] netdev_get_by_index+0x5e/0x80 [ 9830.755444][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9830.755444][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9830.755444][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9830.755444][ T903] ipv6_add_addr+0x411/0x2000 [ 9830.755444][ T903] inet6_addr_add+0x30e/0xa40 [ 9830.755444][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9830.755444][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.755444][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.755444][ T903] netlink_unicast+0x449/0x710 [ 9830.755444][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.755444][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.755444][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.755444][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.755444][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.755444][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9830.755444][ T903] [ 9830.757828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9830.757828][ T903] netdev_get_by_index+0x5e/0x80 [ 9830.757828][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9830.757828][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9830.757828][ T903] ip6_route_add+0x1c/0x140 [ 9830.757828][ T903] addrconf_add_mroute+0x129/0x180 [ 9830.757828][ T903] addrconf_add_dev+0xe2/0x170 [ 9830.757828][ T903] inet6_addr_add+0x12f/0xa40 [ 9830.757828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9830.757828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.757828][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.757828][ T903] netlink_unicast+0x449/0x710 [ 9830.757828][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.757828][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.757828][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.757828][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.757828][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.757828][ T903] [ 9830.760081][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9830.760081][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9830.760081][ T903] ipv6_find_idev+0x102/0x170 [ 9830.760081][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9830.760081][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.760081][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.760081][ T903] netlink_unicast+0x449/0x710 [ 9830.760081][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.760081][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.760081][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.760081][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.760081][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.760081][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9830.760081][ T903] [ 9830.762267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9830.762267][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9830.762267][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9830.762267][ T903] ipv6_find_idev+0x102/0x170 [ 9830.762267][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9830.762267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9830.762267][ T903] netlink_rcv_skb+0x130/0x360 [ 9830.762267][ T903] netlink_unicast+0x449/0x710 [ 9830.762267][ T903] netlink_sendmsg+0x723/0xbe0 [ 9830.762267][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9830.762267][ T903] ___sys_sendmsg+0xee/0x170 [ 9830.762267][ T903] __sys_sendmsg+0xcd/0x170 [ 9830.762267][ T903] do_syscall_64+0xc6/0x1e0 [ 9830.762267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9830.762267][ T903] [ 9840.989882][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9840.990405][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9840.990405][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9840.990405][ T903] ip6_validate_gw+0x3eb/0x790 [ 9840.990405][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9840.990405][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9840.990405][ T903] ip6_route_add+0x1c/0x140 [ 9840.990405][ T903] inet6_rtm_newroute+0x104/0x110 [ 9840.990405][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9840.990405][ T903] netlink_rcv_skb+0x130/0x360 [ 9840.990405][ T903] netlink_unicast+0x449/0x710 [ 9840.990405][ T903] netlink_sendmsg+0x723/0xbe0 [ 9840.990405][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9840.990405][ T903] ___sys_sendmsg+0xee/0x170 [ 9840.990405][ T903] __sys_sendmsg+0xcd/0x170 [ 9840.990405][ T903] do_syscall_64+0xc6/0x1e0 [ 9840.990405][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9840.990405][ T903] [ 9840.992636][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9840.992636][ T903] netdev_get_by_index+0x5e/0x80 [ 9840.992636][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9840.992636][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9840.992636][ T903] ip6_route_add+0x1c/0x140 [ 9840.992636][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9840.992636][ T903] inet6_addr_add+0x4f8/0xa40 [ 9840.992636][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9840.992636][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9840.992636][ T903] netlink_rcv_skb+0x130/0x360 [ 9840.992636][ T903] netlink_unicast+0x449/0x710 [ 9840.992636][ T903] netlink_sendmsg+0x723/0xbe0 [ 9840.992636][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9840.992636][ T903] ___sys_sendmsg+0xee/0x170 [ 9840.992636][ T903] __sys_sendmsg+0xcd/0x170 [ 9840.992636][ T903] do_syscall_64+0xc6/0x1e0 [ 9840.992636][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9840.992636][ T903] [ 9840.995041][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9840.995041][ T903] netdev_get_by_index+0x5e/0x80 [ 9840.995041][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9840.995041][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9840.995041][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9840.995041][ T903] ipv6_add_addr+0x411/0x2000 [ 9840.995041][ T903] inet6_addr_add+0x30e/0xa40 [ 9840.995041][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9840.995041][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9840.995041][ T903] netlink_rcv_skb+0x130/0x360 [ 9840.995041][ T903] netlink_unicast+0x449/0x710 [ 9840.995041][ T903] netlink_sendmsg+0x723/0xbe0 [ 9840.995041][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9840.995041][ T903] ___sys_sendmsg+0xee/0x170 [ 9840.995041][ T903] __sys_sendmsg+0xcd/0x170 [ 9840.995041][ T903] do_syscall_64+0xc6/0x1e0 [ 9840.995041][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9840.995041][ T903] [ 9840.997437][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9840.997437][ T903] netdev_get_by_index+0x5e/0x80 [ 9840.997437][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9840.997437][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9840.997437][ T903] ip6_route_add+0x1c/0x140 [ 9840.997437][ T903] addrconf_add_mroute+0x129/0x180 [ 9840.997437][ T903] addrconf_add_dev+0xe2/0x170 [ 9840.997437][ T903] inet6_addr_add+0x12f/0xa40 [ 9840.997437][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9840.997437][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9840.997437][ T903] netlink_rcv_skb+0x130/0x360 [ 9840.997437][ T903] netlink_unicast+0x449/0x710 [ 9840.997437][ T903] netlink_sendmsg+0x723/0xbe0 [ 9840.997437][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9840.997437][ T903] ___sys_sendmsg+0xee/0x170 [ 9840.997437][ T903] __sys_sendmsg+0xcd/0x170 [ 9840.997437][ T903] do_syscall_64+0xc6/0x1e0 [ 9840.997437][ T903] [ 9840.999716][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9840.999716][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9840.999716][ T903] ipv6_find_idev+0x102/0x170 [ 9840.999716][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9840.999716][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9840.999716][ T903] netlink_rcv_skb+0x130/0x360 [ 9840.999716][ T903] netlink_unicast+0x449/0x710 [ 9840.999716][ T903] netlink_sendmsg+0x723/0xbe0 [ 9840.999716][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9840.999716][ T903] ___sys_sendmsg+0xee/0x170 [ 9840.999716][ T903] __sys_sendmsg+0xcd/0x170 [ 9840.999716][ T903] do_syscall_64+0xc6/0x1e0 [ 9840.999716][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9840.999716][ T903] [ 9841.001514][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9841.001514][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9841.001514][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9841.001514][ T903] ipv6_find_idev+0x102/0x170 [ 9841.001514][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9841.001514][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9841.001514][ T903] netlink_rcv_skb+0x130/0x360 [ 9841.001514][ T903] netlink_unicast+0x449/0x710 [ 9841.001514][ T903] netlink_sendmsg+0x723/0xbe0 [ 9841.001514][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9841.001514][ T903] ___sys_sendmsg+0xee/0x170 [ 9841.001514][ T903] __sys_sendmsg+0xcd/0x170 [ 9841.001514][ T903] do_syscall_64+0xc6/0x1e0 [ 9841.001514][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9841.001514][ T903] [ 9851.245879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9851.246889][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9851.246889][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9851.246889][ T903] ip6_validate_gw+0x3eb/0x790 [ 9851.246889][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9851.246889][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9851.246889][ T903] ip6_route_add+0x1c/0x140 [ 9851.246889][ T903] inet6_rtm_newroute+0x104/0x110 [ 9851.246889][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.246889][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.246889][ T903] netlink_unicast+0x449/0x710 [ 9851.246889][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.246889][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.246889][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.246889][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.246889][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.246889][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9851.246889][ T903] [ 9851.249211][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9851.249211][ T903] netdev_get_by_index+0x5e/0x80 [ 9851.249211][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9851.249211][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9851.249211][ T903] ip6_route_add+0x1c/0x140 [ 9851.249211][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9851.249211][ T903] inet6_addr_add+0x4f8/0xa40 [ 9851.249211][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9851.249211][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.249211][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.249211][ T903] netlink_unicast+0x449/0x710 [ 9851.249211][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.249211][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.249211][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.249211][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.249211][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.249211][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9851.249211][ T903] [ 9851.251567][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9851.251567][ T903] netdev_get_by_index+0x5e/0x80 [ 9851.251567][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9851.251567][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9851.251567][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9851.251567][ T903] ipv6_add_addr+0x411/0x2000 [ 9851.251567][ T903] inet6_addr_add+0x30e/0xa40 [ 9851.251567][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9851.251567][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.251567][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.251567][ T903] netlink_unicast+0x449/0x710 [ 9851.251567][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.251567][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.251567][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.251567][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.251567][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.251567][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9851.251567][ T903] [ 9851.253924][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9851.253924][ T903] netdev_get_by_index+0x5e/0x80 [ 9851.253924][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9851.253924][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9851.253924][ T903] ip6_route_add+0x1c/0x140 [ 9851.253924][ T903] addrconf_add_mroute+0x129/0x180 [ 9851.253924][ T903] addrconf_add_dev+0xe2/0x170 [ 9851.253924][ T903] inet6_addr_add+0x12f/0xa40 [ 9851.253924][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9851.253924][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.253924][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.253924][ T903] netlink_unicast+0x449/0x710 [ 9851.253924][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.253924][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.253924][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.253924][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.253924][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.253924][ T903] [ 9851.256254][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9851.256254][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9851.256254][ T903] ipv6_find_idev+0x102/0x170 [ 9851.256254][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9851.256254][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.256254][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.256254][ T903] netlink_unicast+0x449/0x710 [ 9851.256254][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.256254][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.256254][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.256254][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.256254][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.256254][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9851.256254][ T903] [ 9851.258094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9851.258094][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9851.258094][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9851.258094][ T903] ipv6_find_idev+0x102/0x170 [ 9851.258094][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9851.258094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9851.258094][ T903] netlink_rcv_skb+0x130/0x360 [ 9851.258094][ T903] netlink_unicast+0x449/0x710 [ 9851.258094][ T903] netlink_sendmsg+0x723/0xbe0 [ 9851.258094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9851.258094][ T903] ___sys_sendmsg+0xee/0x170 [ 9851.258094][ T903] __sys_sendmsg+0xcd/0x170 [ 9851.258094][ T903] do_syscall_64+0xc6/0x1e0 [ 9851.258094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9851.258094][ T903] [ 9861.501861][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9861.502788][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9861.502788][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9861.502788][ T903] ip6_validate_gw+0x3eb/0x790 [ 9861.502788][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9861.502788][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9861.502788][ T903] ip6_route_add+0x1c/0x140 [ 9861.502788][ T903] inet6_rtm_newroute+0x104/0x110 [ 9861.502788][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.502788][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.502788][ T903] netlink_unicast+0x449/0x710 [ 9861.502788][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.502788][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.502788][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.502788][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.502788][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.502788][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9861.502788][ T903] [ 9861.505051][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9861.505051][ T903] netdev_get_by_index+0x5e/0x80 [ 9861.505051][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9861.505051][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9861.505051][ T903] ip6_route_add+0x1c/0x140 [ 9861.505051][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9861.505051][ T903] inet6_addr_add+0x4f8/0xa40 [ 9861.505051][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9861.505051][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.505051][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.505051][ T903] netlink_unicast+0x449/0x710 [ 9861.505051][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.505051][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.505051][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.505051][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.505051][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.505051][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9861.505051][ T903] [ 9861.507509][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9861.507509][ T903] netdev_get_by_index+0x5e/0x80 [ 9861.507509][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9861.507509][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9861.507509][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9861.507509][ T903] ipv6_add_addr+0x411/0x2000 [ 9861.507509][ T903] inet6_addr_add+0x30e/0xa40 [ 9861.507509][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9861.507509][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.507509][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.507509][ T903] netlink_unicast+0x449/0x710 [ 9861.507509][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.507509][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.507509][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.507509][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.507509][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.507509][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9861.507509][ T903] [ 9861.509884][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9861.509884][ T903] netdev_get_by_index+0x5e/0x80 [ 9861.509884][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9861.509884][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9861.509884][ T903] ip6_route_add+0x1c/0x140 [ 9861.509884][ T903] addrconf_add_mroute+0x129/0x180 [ 9861.509884][ T903] addrconf_add_dev+0xe2/0x170 [ 9861.509884][ T903] inet6_addr_add+0x12f/0xa40 [ 9861.509884][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9861.509884][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.509884][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.509884][ T903] netlink_unicast+0x449/0x710 [ 9861.509884][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.509884][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.509884][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.509884][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.509884][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.509884][ T903] [ 9861.512235][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9861.512235][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9861.512235][ T903] ipv6_find_idev+0x102/0x170 [ 9861.512235][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9861.512235][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.512235][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.512235][ T903] netlink_unicast+0x449/0x710 [ 9861.512235][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.512235][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.512235][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.512235][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.512235][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.512235][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9861.512235][ T903] [ 9861.514002][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9861.514002][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9861.514002][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9861.514002][ T903] ipv6_find_idev+0x102/0x170 [ 9861.514002][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9861.514002][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9861.514002][ T903] netlink_rcv_skb+0x130/0x360 [ 9861.514002][ T903] netlink_unicast+0x449/0x710 [ 9861.514002][ T903] netlink_sendmsg+0x723/0xbe0 [ 9861.514002][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9861.514002][ T903] ___sys_sendmsg+0xee/0x170 [ 9861.514002][ T903] __sys_sendmsg+0xcd/0x170 [ 9861.514002][ T903] do_syscall_64+0xc6/0x1e0 [ 9861.514002][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9861.514002][ T903] [ 9871.757853][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9871.758425][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9871.758425][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9871.758425][ T903] ip6_validate_gw+0x3eb/0x790 [ 9871.758425][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9871.758425][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9871.758425][ T903] ip6_route_add+0x1c/0x140 [ 9871.758425][ T903] inet6_rtm_newroute+0x104/0x110 [ 9871.758425][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.758425][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.758425][ T903] netlink_unicast+0x449/0x710 [ 9871.758425][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.758425][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.758425][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.758425][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.758425][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.758425][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9871.758425][ T903] [ 9871.760678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9871.760678][ T903] netdev_get_by_index+0x5e/0x80 [ 9871.760678][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9871.760678][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9871.760678][ T903] ip6_route_add+0x1c/0x140 [ 9871.760678][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9871.760678][ T903] inet6_addr_add+0x4f8/0xa40 [ 9871.760678][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9871.760678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.760678][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.760678][ T903] netlink_unicast+0x449/0x710 [ 9871.760678][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.760678][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.760678][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.760678][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.760678][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.760678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9871.760678][ T903] [ 9871.762968][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9871.762968][ T903] netdev_get_by_index+0x5e/0x80 [ 9871.762968][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9871.762968][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9871.762968][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9871.762968][ T903] ipv6_add_addr+0x411/0x2000 [ 9871.762968][ T903] inet6_addr_add+0x30e/0xa40 [ 9871.762968][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9871.762968][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.762968][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.762968][ T903] netlink_unicast+0x449/0x710 [ 9871.762968][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.762968][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.762968][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.762968][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.762968][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.762968][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9871.762968][ T903] [ 9871.765407][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9871.765407][ T903] netdev_get_by_index+0x5e/0x80 [ 9871.765407][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9871.765407][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9871.765407][ T903] ip6_route_add+0x1c/0x140 [ 9871.765407][ T903] addrconf_add_mroute+0x129/0x180 [ 9871.765407][ T903] addrconf_add_dev+0xe2/0x170 [ 9871.765407][ T903] inet6_addr_add+0x12f/0xa40 [ 9871.765407][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9871.765407][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.765407][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.765407][ T903] netlink_unicast+0x449/0x710 [ 9871.765407][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.765407][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.765407][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.765407][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.765407][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.765407][ T903] [ 9871.767693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9871.767693][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9871.767693][ T903] ipv6_find_idev+0x102/0x170 [ 9871.767693][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9871.767693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.767693][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.767693][ T903] netlink_unicast+0x449/0x710 [ 9871.767693][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.767693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.767693][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.767693][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.767693][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.767693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9871.767693][ T903] [ 9871.769535][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9871.769535][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9871.769535][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9871.769535][ T903] ipv6_find_idev+0x102/0x170 [ 9871.769535][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9871.769535][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9871.769535][ T903] netlink_rcv_skb+0x130/0x360 [ 9871.769535][ T903] netlink_unicast+0x449/0x710 [ 9871.769535][ T903] netlink_sendmsg+0x723/0xbe0 [ 9871.769535][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9871.769535][ T903] ___sys_sendmsg+0xee/0x170 [ 9871.769535][ T903] __sys_sendmsg+0xcd/0x170 [ 9871.769535][ T903] do_syscall_64+0xc6/0x1e0 [ 9871.769535][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9871.769535][ T903] [ 9882.013877][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9882.014821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9882.014821][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9882.014821][ T903] ip6_validate_gw+0x3eb/0x790 [ 9882.014821][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9882.014821][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9882.014821][ T903] ip6_route_add+0x1c/0x140 [ 9882.014821][ T903] inet6_rtm_newroute+0x104/0x110 [ 9882.014821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.014821][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.014821][ T903] netlink_unicast+0x449/0x710 [ 9882.014821][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.014821][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.014821][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.014821][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.014821][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.014821][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.014821][ T903] [ 9882.017286][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9882.017286][ T903] netdev_get_by_index+0x5e/0x80 [ 9882.017286][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9882.017286][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9882.017286][ T903] ip6_route_add+0x1c/0x140 [ 9882.017286][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9882.017286][ T903] inet6_addr_add+0x4f8/0xa40 [ 9882.017286][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9882.017286][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.017286][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.017286][ T903] netlink_unicast+0x449/0x710 [ 9882.017286][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.017286][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.017286][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.017286][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.017286][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.017286][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.017286][ T903] [ 9882.019715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9882.019715][ T903] netdev_get_by_index+0x5e/0x80 [ 9882.019715][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9882.019715][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9882.019715][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9882.019715][ T903] ipv6_add_addr+0x411/0x2000 [ 9882.019715][ T903] inet6_addr_add+0x30e/0xa40 [ 9882.019715][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9882.019715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.019715][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.019715][ T903] netlink_unicast+0x449/0x710 [ 9882.019715][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.019715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.019715][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.019715][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.019715][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.019715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.019715][ T903] [ 9882.022054][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9882.022054][ T903] netdev_get_by_index+0x5e/0x80 [ 9882.022054][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9882.022054][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9882.022054][ T903] ip6_route_add+0x1c/0x140 [ 9882.022054][ T903] addrconf_add_mroute+0x129/0x180 [ 9882.022054][ T903] addrconf_add_dev+0xe2/0x170 [ 9882.022054][ T903] inet6_addr_add+0x12f/0xa40 [ 9882.022054][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9882.022054][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.022054][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.022054][ T903] netlink_unicast+0x449/0x710 [ 9882.022054][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.022054][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.022054][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.022054][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.022054][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.022054][ T903] [ 9882.024387][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9882.024387][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9882.024387][ T903] ipv6_find_idev+0x102/0x170 [ 9882.024387][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9882.024387][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.024387][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.024387][ T903] netlink_unicast+0x449/0x710 [ 9882.024387][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.024387][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.024387][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.024387][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.024387][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.024387][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.024387][ T903] [ 9882.026215][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9882.026215][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9882.026215][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9882.026215][ T903] ipv6_find_idev+0x102/0x170 [ 9882.026215][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9882.026215][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.026215][ T903] netlink_rcv_skb+0x130/0x360 [ 9882.026215][ T903] netlink_unicast+0x449/0x710 [ 9882.026215][ T903] netlink_sendmsg+0x723/0xbe0 [ 9882.026215][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9882.026215][ T903] ___sys_sendmsg+0xee/0x170 [ 9882.026215][ T903] __sys_sendmsg+0xcd/0x170 [ 9882.026215][ T903] do_syscall_64+0xc6/0x1e0 [ 9882.026215][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.026215][ T903] [ 9892.269887][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9892.270346][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9892.270346][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9892.270346][ T903] ip6_validate_gw+0x3eb/0x790 [ 9892.270346][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9892.270346][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9892.270346][ T903] ip6_route_add+0x1c/0x140 [ 9892.270346][ T903] inet6_rtm_newroute+0x104/0x110 [ 9892.270346][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.270346][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.270346][ T903] netlink_unicast+0x449/0x710 [ 9892.270346][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.270346][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.270346][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.270346][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.270346][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.270346][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.270346][ T903] [ 9892.272590][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9892.272590][ T903] netdev_get_by_index+0x5e/0x80 [ 9892.272590][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9892.272590][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9892.272590][ T903] ip6_route_add+0x1c/0x140 [ 9892.272590][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9892.272590][ T903] inet6_addr_add+0x4f8/0xa40 [ 9892.272590][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9892.272590][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.272590][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.272590][ T903] netlink_unicast+0x449/0x710 [ 9892.272590][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.272590][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.272590][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.272590][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.272590][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.272590][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.272590][ T903] [ 9892.274984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9892.274984][ T903] netdev_get_by_index+0x5e/0x80 [ 9892.274984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9892.274984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9892.274984][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9892.274984][ T903] ipv6_add_addr+0x411/0x2000 [ 9892.274984][ T903] inet6_addr_add+0x30e/0xa40 [ 9892.274984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9892.274984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.274984][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.274984][ T903] netlink_unicast+0x449/0x710 [ 9892.274984][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.274984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.274984][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.274984][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.274984][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.274984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.274984][ T903] [ 9892.277295][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9892.277295][ T903] netdev_get_by_index+0x5e/0x80 [ 9892.277295][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9892.277295][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9892.277295][ T903] ip6_route_add+0x1c/0x140 [ 9892.277295][ T903] addrconf_add_mroute+0x129/0x180 [ 9892.277295][ T903] addrconf_add_dev+0xe2/0x170 [ 9892.277295][ T903] inet6_addr_add+0x12f/0xa40 [ 9892.277295][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9892.277295][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.277295][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.277295][ T903] netlink_unicast+0x449/0x710 [ 9892.277295][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.277295][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.277295][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.277295][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.277295][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.277295][ T903] [ 9892.279588][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9892.279588][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9892.279588][ T903] ipv6_find_idev+0x102/0x170 [ 9892.279588][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9892.279588][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.279588][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.279588][ T903] netlink_unicast+0x449/0x710 [ 9892.279588][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.279588][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.279588][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.279588][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.279588][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.279588][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.279588][ T903] [ 9892.281330][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9892.281330][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9892.281330][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9892.281330][ T903] ipv6_find_idev+0x102/0x170 [ 9892.281330][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9892.281330][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.281330][ T903] netlink_rcv_skb+0x130/0x360 [ 9892.281330][ T903] netlink_unicast+0x449/0x710 [ 9892.281330][ T903] netlink_sendmsg+0x723/0xbe0 [ 9892.281330][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9892.281330][ T903] ___sys_sendmsg+0xee/0x170 [ 9892.281330][ T903] __sys_sendmsg+0xcd/0x170 [ 9892.281330][ T903] do_syscall_64+0xc6/0x1e0 [ 9892.281330][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.281330][ T903] [ 9902.445865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9902.446305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9902.446305][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9902.446305][ T903] ip6_validate_gw+0x3eb/0x790 [ 9902.446305][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9902.446305][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9902.446305][ T903] ip6_route_add+0x1c/0x140 [ 9902.446305][ T903] inet6_rtm_newroute+0x104/0x110 [ 9902.446305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.446305][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.446305][ T903] netlink_unicast+0x449/0x710 [ 9902.446305][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.446305][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.446305][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.446305][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.446305][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.446305][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.446305][ T903] [ 9902.448634][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9902.448634][ T903] netdev_get_by_index+0x5e/0x80 [ 9902.448634][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9902.448634][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9902.448634][ T903] ip6_route_add+0x1c/0x140 [ 9902.448634][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9902.448634][ T903] inet6_addr_add+0x4f8/0xa40 [ 9902.448634][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9902.448634][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.448634][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.448634][ T903] netlink_unicast+0x449/0x710 [ 9902.448634][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.448634][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.448634][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.448634][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.448634][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.448634][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.448634][ T903] [ 9902.451006][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9902.451006][ T903] netdev_get_by_index+0x5e/0x80 [ 9902.451006][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9902.451006][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9902.451006][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9902.451006][ T903] ipv6_add_addr+0x411/0x2000 [ 9902.451006][ T903] inet6_addr_add+0x30e/0xa40 [ 9902.451006][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9902.451006][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.451006][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.451006][ T903] netlink_unicast+0x449/0x710 [ 9902.451006][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.451006][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.451006][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.451006][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.451006][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.451006][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.451006][ T903] [ 9902.453366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9902.453366][ T903] netdev_get_by_index+0x5e/0x80 [ 9902.453366][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9902.453366][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9902.453366][ T903] ip6_route_add+0x1c/0x140 [ 9902.453366][ T903] addrconf_add_mroute+0x129/0x180 [ 9902.453366][ T903] addrconf_add_dev+0xe2/0x170 [ 9902.453366][ T903] inet6_addr_add+0x12f/0xa40 [ 9902.453366][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9902.453366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.453366][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.453366][ T903] netlink_unicast+0x449/0x710 [ 9902.453366][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.453366][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.453366][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.453366][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.453366][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.453366][ T903] [ 9902.455645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9902.455645][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9902.455645][ T903] ipv6_find_idev+0x102/0x170 [ 9902.455645][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9902.455645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.455645][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.455645][ T903] netlink_unicast+0x449/0x710 [ 9902.455645][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.455645][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.455645][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.455645][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.455645][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.455645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.455645][ T903] [ 9902.457440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9902.457440][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9902.457440][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9902.457440][ T903] ipv6_find_idev+0x102/0x170 [ 9902.457440][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9902.457440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.457440][ T903] netlink_rcv_skb+0x130/0x360 [ 9902.457440][ T903] netlink_unicast+0x449/0x710 [ 9902.457440][ T903] netlink_sendmsg+0x723/0xbe0 [ 9902.457440][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9902.457440][ T903] ___sys_sendmsg+0xee/0x170 [ 9902.457440][ T903] __sys_sendmsg+0xcd/0x170 [ 9902.457440][ T903] do_syscall_64+0xc6/0x1e0 [ 9902.457440][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.457440][ T903] [ 9912.493868][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9912.494782][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9912.494782][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9912.494782][ T903] ip6_validate_gw+0x3eb/0x790 [ 9912.494782][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9912.494782][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9912.494782][ T903] ip6_route_add+0x1c/0x140 [ 9912.494782][ T903] inet6_rtm_newroute+0x104/0x110 [ 9912.494782][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.494782][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.494782][ T903] netlink_unicast+0x449/0x710 [ 9912.494782][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.494782][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.494782][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.494782][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.494782][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.494782][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.494782][ T903] [ 9912.497094][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9912.497094][ T903] netdev_get_by_index+0x5e/0x80 [ 9912.497094][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9912.497094][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9912.497094][ T903] ip6_route_add+0x1c/0x140 [ 9912.497094][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9912.497094][ T903] inet6_addr_add+0x4f8/0xa40 [ 9912.497094][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9912.497094][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.497094][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.497094][ T903] netlink_unicast+0x449/0x710 [ 9912.497094][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.497094][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.497094][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.497094][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.497094][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.497094][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.497094][ T903] [ 9912.499498][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9912.499498][ T903] netdev_get_by_index+0x5e/0x80 [ 9912.499498][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9912.499498][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9912.499498][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9912.499498][ T903] ipv6_add_addr+0x411/0x2000 [ 9912.499498][ T903] inet6_addr_add+0x30e/0xa40 [ 9912.499498][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9912.499498][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.499498][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.499498][ T903] netlink_unicast+0x449/0x710 [ 9912.499498][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.499498][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.499498][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.499498][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.499498][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.499498][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.499498][ T903] [ 9912.501810][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9912.501810][ T903] netdev_get_by_index+0x5e/0x80 [ 9912.501810][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9912.501810][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9912.501810][ T903] ip6_route_add+0x1c/0x140 [ 9912.501810][ T903] addrconf_add_mroute+0x129/0x180 [ 9912.501810][ T903] addrconf_add_dev+0xe2/0x170 [ 9912.501810][ T903] inet6_addr_add+0x12f/0xa40 [ 9912.501810][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9912.501810][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.501810][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.501810][ T903] netlink_unicast+0x449/0x710 [ 9912.501810][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.501810][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.501810][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.501810][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.501810][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.501810][ T903] [ 9912.504104][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9912.504104][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9912.504104][ T903] ipv6_find_idev+0x102/0x170 [ 9912.504104][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9912.504104][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.504104][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.504104][ T903] netlink_unicast+0x449/0x710 [ 9912.504104][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.504104][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.504104][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.504104][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.504104][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.504104][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.504104][ T903] [ 9912.505978][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9912.505978][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9912.505978][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9912.505978][ T903] ipv6_find_idev+0x102/0x170 [ 9912.505978][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9912.505978][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.505978][ T903] netlink_rcv_skb+0x130/0x360 [ 9912.505978][ T903] netlink_unicast+0x449/0x710 [ 9912.505978][ T903] netlink_sendmsg+0x723/0xbe0 [ 9912.505978][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9912.505978][ T903] ___sys_sendmsg+0xee/0x170 [ 9912.505978][ T903] __sys_sendmsg+0xcd/0x170 [ 9912.505978][ T903] do_syscall_64+0xc6/0x1e0 [ 9912.505978][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.505978][ T903] [ 9922.749879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9922.750368][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9922.750368][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9922.750368][ T903] ip6_validate_gw+0x3eb/0x790 [ 9922.750368][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9922.750368][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9922.750368][ T903] ip6_route_add+0x1c/0x140 [ 9922.750368][ T903] inet6_rtm_newroute+0x104/0x110 [ 9922.750368][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.750368][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.750368][ T903] netlink_unicast+0x449/0x710 [ 9922.750368][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.750368][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.750368][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.750368][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.750368][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.750368][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.750368][ T903] [ 9922.752583][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9922.752583][ T903] netdev_get_by_index+0x5e/0x80 [ 9922.752583][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9922.752583][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9922.752583][ T903] ip6_route_add+0x1c/0x140 [ 9922.752583][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9922.752583][ T903] inet6_addr_add+0x4f8/0xa40 [ 9922.752583][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9922.752583][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.752583][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.752583][ T903] netlink_unicast+0x449/0x710 [ 9922.752583][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.752583][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.752583][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.752583][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.752583][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.752583][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.752583][ T903] [ 9922.754915][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9922.754915][ T903] netdev_get_by_index+0x5e/0x80 [ 9922.754915][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9922.754915][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9922.754915][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9922.754915][ T903] ipv6_add_addr+0x411/0x2000 [ 9922.754915][ T903] inet6_addr_add+0x30e/0xa40 [ 9922.754915][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9922.754915][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.754915][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.754915][ T903] netlink_unicast+0x449/0x710 [ 9922.754915][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.754915][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.754915][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.754915][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.754915][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.754915][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.754915][ T903] [ 9922.758712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9922.758712][ T903] netdev_get_by_index+0x5e/0x80 [ 9922.758712][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9922.758712][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9922.758712][ T903] ip6_route_add+0x1c/0x140 [ 9922.758712][ T903] addrconf_add_mroute+0x129/0x180 [ 9922.758712][ T903] addrconf_add_dev+0xe2/0x170 [ 9922.758712][ T903] inet6_addr_add+0x12f/0xa40 [ 9922.758712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9922.758712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.758712][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.758712][ T903] netlink_unicast+0x449/0x710 [ 9922.758712][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.758712][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.758712][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.758712][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.758712][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.758712][ T903] [ 9922.762343][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9922.762343][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9922.762343][ T903] ipv6_find_idev+0x102/0x170 [ 9922.762343][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9922.762343][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.762343][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.762343][ T903] netlink_unicast+0x449/0x710 [ 9922.762343][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.762343][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.762343][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.762343][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.762343][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.762343][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.762343][ T903] [ 9922.765314][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9922.765314][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9922.765314][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9922.765314][ T903] ipv6_find_idev+0x102/0x170 [ 9922.765314][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9922.765314][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.765314][ T903] netlink_rcv_skb+0x130/0x360 [ 9922.765314][ T903] netlink_unicast+0x449/0x710 [ 9922.765314][ T903] netlink_sendmsg+0x723/0xbe0 [ 9922.765314][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9922.765314][ T903] ___sys_sendmsg+0xee/0x170 [ 9922.765314][ T903] __sys_sendmsg+0xcd/0x170 [ 9922.765314][ T903] do_syscall_64+0xc6/0x1e0 [ 9922.765314][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.765314][ T903] [ 9932.861881][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9932.862441][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9932.862441][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9932.862441][ T903] ip6_validate_gw+0x3eb/0x790 [ 9932.862441][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9932.862441][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9932.862441][ T903] ip6_route_add+0x1c/0x140 [ 9932.862441][ T903] inet6_rtm_newroute+0x104/0x110 [ 9932.862441][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.862441][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.862441][ T903] netlink_unicast+0x449/0x710 [ 9932.862441][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.862441][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.862441][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.862441][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.862441][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.862441][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.862441][ T903] [ 9932.864693][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9932.864693][ T903] netdev_get_by_index+0x5e/0x80 [ 9932.864693][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9932.864693][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9932.864693][ T903] ip6_route_add+0x1c/0x140 [ 9932.864693][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9932.864693][ T903] inet6_addr_add+0x4f8/0xa40 [ 9932.864693][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9932.864693][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.864693][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.864693][ T903] netlink_unicast+0x449/0x710 [ 9932.864693][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.864693][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.864693][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.864693][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.864693][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.864693][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.864693][ T903] [ 9932.867247][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9932.867247][ T903] netdev_get_by_index+0x5e/0x80 [ 9932.867247][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9932.867247][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9932.867247][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9932.867247][ T903] ipv6_add_addr+0x411/0x2000 [ 9932.867247][ T903] inet6_addr_add+0x30e/0xa40 [ 9932.867247][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9932.867247][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.867247][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.867247][ T903] netlink_unicast+0x449/0x710 [ 9932.867247][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.867247][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.867247][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.867247][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.867247][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.867247][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.867247][ T903] [ 9932.869584][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9932.869584][ T903] netdev_get_by_index+0x5e/0x80 [ 9932.869584][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9932.869584][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9932.869584][ T903] ip6_route_add+0x1c/0x140 [ 9932.869584][ T903] addrconf_add_mroute+0x129/0x180 [ 9932.869584][ T903] addrconf_add_dev+0xe2/0x170 [ 9932.869584][ T903] inet6_addr_add+0x12f/0xa40 [ 9932.869584][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9932.869584][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.869584][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.869584][ T903] netlink_unicast+0x449/0x710 [ 9932.869584][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.869584][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.869584][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.869584][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.869584][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.869584][ T903] [ 9932.871918][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9932.871918][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9932.871918][ T903] ipv6_find_idev+0x102/0x170 [ 9932.871918][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9932.871918][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.871918][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.871918][ T903] netlink_unicast+0x449/0x710 [ 9932.871918][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.871918][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.871918][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.871918][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.871918][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.871918][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.871918][ T903] [ 9932.873715][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9932.873715][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9932.873715][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9932.873715][ T903] ipv6_find_idev+0x102/0x170 [ 9932.873715][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9932.873715][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.873715][ T903] netlink_rcv_skb+0x130/0x360 [ 9932.873715][ T903] netlink_unicast+0x449/0x710 [ 9932.873715][ T903] netlink_sendmsg+0x723/0xbe0 [ 9932.873715][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9932.873715][ T903] ___sys_sendmsg+0xee/0x170 [ 9932.873715][ T903] __sys_sendmsg+0xcd/0x170 [ 9932.873715][ T903] do_syscall_64+0xc6/0x1e0 [ 9932.873715][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.873715][ T903] [ 9943.117934][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9943.118418][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9943.118418][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9943.118418][ T903] ip6_validate_gw+0x3eb/0x790 [ 9943.118418][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9943.118418][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9943.118418][ T903] ip6_route_add+0x1c/0x140 [ 9943.118418][ T903] inet6_rtm_newroute+0x104/0x110 [ 9943.118418][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.118418][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.118418][ T903] netlink_unicast+0x449/0x710 [ 9943.118418][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.118418][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.118418][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.118418][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.118418][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.118418][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.118418][ T903] [ 9943.120671][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9943.120671][ T903] netdev_get_by_index+0x5e/0x80 [ 9943.120671][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9943.120671][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9943.120671][ T903] ip6_route_add+0x1c/0x140 [ 9943.120671][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9943.120671][ T903] inet6_addr_add+0x4f8/0xa40 [ 9943.120671][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9943.120671][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.120671][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.120671][ T903] netlink_unicast+0x449/0x710 [ 9943.120671][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.120671][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.120671][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.120671][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.120671][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.120671][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.120671][ T903] [ 9943.123057][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9943.123057][ T903] netdev_get_by_index+0x5e/0x80 [ 9943.123057][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9943.123057][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9943.123057][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9943.123057][ T903] ipv6_add_addr+0x411/0x2000 [ 9943.123057][ T903] inet6_addr_add+0x30e/0xa40 [ 9943.123057][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9943.123057][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.123057][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.123057][ T903] netlink_unicast+0x449/0x710 [ 9943.123057][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.123057][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.123057][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.123057][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.123057][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.123057][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.123057][ T903] [ 9943.125421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9943.125421][ T903] netdev_get_by_index+0x5e/0x80 [ 9943.125421][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9943.125421][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9943.125421][ T903] ip6_route_add+0x1c/0x140 [ 9943.125421][ T903] addrconf_add_mroute+0x129/0x180 [ 9943.125421][ T903] addrconf_add_dev+0xe2/0x170 [ 9943.125421][ T903] inet6_addr_add+0x12f/0xa40 [ 9943.125421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9943.125421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.125421][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.125421][ T903] netlink_unicast+0x449/0x710 [ 9943.125421][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.125421][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.125421][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.125421][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.125421][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.125421][ T903] [ 9943.127748][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9943.127748][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9943.127748][ T903] ipv6_find_idev+0x102/0x170 [ 9943.127748][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9943.127748][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.127748][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.127748][ T903] netlink_unicast+0x449/0x710 [ 9943.127748][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.127748][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.127748][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.127748][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.127748][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.127748][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.127748][ T903] [ 9943.129573][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9943.129573][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9943.129573][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9943.129573][ T903] ipv6_find_idev+0x102/0x170 [ 9943.129573][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9943.129573][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.129573][ T903] netlink_rcv_skb+0x130/0x360 [ 9943.129573][ T903] netlink_unicast+0x449/0x710 [ 9943.129573][ T903] netlink_sendmsg+0x723/0xbe0 [ 9943.129573][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9943.129573][ T903] ___sys_sendmsg+0xee/0x170 [ 9943.129573][ T903] __sys_sendmsg+0xcd/0x170 [ 9943.129573][ T903] do_syscall_64+0xc6/0x1e0 [ 9943.129573][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.129573][ T903] [ 9953.373860][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9953.374447][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9953.374447][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9953.374447][ T903] ip6_validate_gw+0x3eb/0x790 [ 9953.374447][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9953.374447][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9953.374447][ T903] ip6_route_add+0x1c/0x140 [ 9953.374447][ T903] inet6_rtm_newroute+0x104/0x110 [ 9953.374447][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.374447][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.374447][ T903] netlink_unicast+0x449/0x710 [ 9953.374447][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.374447][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.374447][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.374447][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.374447][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.374447][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.374447][ T903] [ 9953.376579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9953.376579][ T903] netdev_get_by_index+0x5e/0x80 [ 9953.376579][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9953.376579][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9953.376579][ T903] ip6_route_add+0x1c/0x140 [ 9953.376579][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9953.376579][ T903] inet6_addr_add+0x4f8/0xa40 [ 9953.376579][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9953.376579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.376579][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.376579][ T903] netlink_unicast+0x449/0x710 [ 9953.376579][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.376579][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.376579][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.376579][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.376579][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.376579][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.376579][ T903] [ 9953.378947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9953.378947][ T903] netdev_get_by_index+0x5e/0x80 [ 9953.378947][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9953.378947][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9953.378947][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9953.378947][ T903] ipv6_add_addr+0x411/0x2000 [ 9953.378947][ T903] inet6_addr_add+0x30e/0xa40 [ 9953.378947][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9953.378947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.378947][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.378947][ T903] netlink_unicast+0x449/0x710 [ 9953.378947][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.378947][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.378947][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.378947][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.378947][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.378947][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.378947][ T903] [ 9953.381263][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9953.381263][ T903] netdev_get_by_index+0x5e/0x80 [ 9953.381263][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9953.381263][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9953.381263][ T903] ip6_route_add+0x1c/0x140 [ 9953.381263][ T903] addrconf_add_mroute+0x129/0x180 [ 9953.381263][ T903] addrconf_add_dev+0xe2/0x170 [ 9953.381263][ T903] inet6_addr_add+0x12f/0xa40 [ 9953.381263][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9953.381263][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.381263][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.381263][ T903] netlink_unicast+0x449/0x710 [ 9953.381263][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.381263][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.381263][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.381263][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.381263][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.381263][ T903] [ 9953.383534][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9953.383534][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9953.383534][ T903] ipv6_find_idev+0x102/0x170 [ 9953.383534][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9953.383534][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.383534][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.383534][ T903] netlink_unicast+0x449/0x710 [ 9953.383534][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.383534][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.383534][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.383534][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.383534][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.383534][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.383534][ T903] [ 9953.385354][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9953.385354][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9953.385354][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9953.385354][ T903] ipv6_find_idev+0x102/0x170 [ 9953.385354][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9953.385354][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.385354][ T903] netlink_rcv_skb+0x130/0x360 [ 9953.385354][ T903] netlink_unicast+0x449/0x710 [ 9953.385354][ T903] netlink_sendmsg+0x723/0xbe0 [ 9953.385354][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9953.385354][ T903] ___sys_sendmsg+0xee/0x170 [ 9953.385354][ T903] __sys_sendmsg+0xcd/0x170 [ 9953.385354][ T903] do_syscall_64+0xc6/0x1e0 [ 9953.385354][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.385354][ T903] [ 9963.629951][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9963.630443][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9963.630443][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9963.630443][ T903] ip6_validate_gw+0x3eb/0x790 [ 9963.630443][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9963.630443][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9963.630443][ T903] ip6_route_add+0x1c/0x140 [ 9963.630443][ T903] inet6_rtm_newroute+0x104/0x110 [ 9963.630443][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.630443][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.630443][ T903] netlink_unicast+0x449/0x710 [ 9963.630443][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.630443][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.630443][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.630443][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.630443][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.630443][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.630443][ T903] [ 9963.632694][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9963.632694][ T903] netdev_get_by_index+0x5e/0x80 [ 9963.632694][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9963.632694][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9963.632694][ T903] ip6_route_add+0x1c/0x140 [ 9963.632694][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9963.632694][ T903] inet6_addr_add+0x4f8/0xa40 [ 9963.632694][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9963.632694][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.632694][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.632694][ T903] netlink_unicast+0x449/0x710 [ 9963.632694][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.632694][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.632694][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.632694][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.632694][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.632694][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.632694][ T903] [ 9963.634984][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9963.634984][ T903] netdev_get_by_index+0x5e/0x80 [ 9963.634984][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9963.634984][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9963.634984][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9963.634984][ T903] ipv6_add_addr+0x411/0x2000 [ 9963.634984][ T903] inet6_addr_add+0x30e/0xa40 [ 9963.634984][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9963.634984][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.634984][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.634984][ T903] netlink_unicast+0x449/0x710 [ 9963.634984][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.634984][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.634984][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.634984][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.634984][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.634984][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.634984][ T903] [ 9963.637309][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9963.637309][ T903] netdev_get_by_index+0x5e/0x80 [ 9963.637309][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9963.637309][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9963.637309][ T903] ip6_route_add+0x1c/0x140 [ 9963.637309][ T903] addrconf_add_mroute+0x129/0x180 [ 9963.637309][ T903] addrconf_add_dev+0xe2/0x170 [ 9963.637309][ T903] inet6_addr_add+0x12f/0xa40 [ 9963.637309][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9963.637309][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.637309][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.637309][ T903] netlink_unicast+0x449/0x710 [ 9963.637309][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.637309][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.637309][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.637309][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.637309][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.637309][ T903] [ 9963.639685][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9963.639685][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9963.639685][ T903] ipv6_find_idev+0x102/0x170 [ 9963.639685][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9963.639685][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.639685][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.639685][ T903] netlink_unicast+0x449/0x710 [ 9963.639685][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.639685][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.639685][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.639685][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.639685][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.639685][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.639685][ T903] [ 9963.641573][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9963.641573][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9963.641573][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9963.641573][ T903] ipv6_find_idev+0x102/0x170 [ 9963.641573][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9963.641573][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.641573][ T903] netlink_rcv_skb+0x130/0x360 [ 9963.641573][ T903] netlink_unicast+0x449/0x710 [ 9963.641573][ T903] netlink_sendmsg+0x723/0xbe0 [ 9963.641573][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9963.641573][ T903] ___sys_sendmsg+0xee/0x170 [ 9963.641573][ T903] __sys_sendmsg+0xcd/0x170 [ 9963.641573][ T903] do_syscall_64+0xc6/0x1e0 [ 9963.641573][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.641573][ T903] [ 9973.885951][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9973.886862][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9973.886862][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9973.886862][ T903] ip6_validate_gw+0x3eb/0x790 [ 9973.886862][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9973.886862][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9973.886862][ T903] ip6_route_add+0x1c/0x140 [ 9973.886862][ T903] inet6_rtm_newroute+0x104/0x110 [ 9973.886862][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.886862][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.886862][ T903] netlink_unicast+0x449/0x710 [ 9973.886862][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.886862][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.886862][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.886862][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.886862][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.886862][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.886862][ T903] [ 9973.889170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9973.889170][ T903] netdev_get_by_index+0x5e/0x80 [ 9973.889170][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9973.889170][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9973.889170][ T903] ip6_route_add+0x1c/0x140 [ 9973.889170][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9973.889170][ T903] inet6_addr_add+0x4f8/0xa40 [ 9973.889170][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9973.889170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.889170][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.889170][ T903] netlink_unicast+0x449/0x710 [ 9973.889170][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.889170][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.889170][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.889170][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.889170][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.889170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.889170][ T903] [ 9973.891445][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9973.891445][ T903] netdev_get_by_index+0x5e/0x80 [ 9973.891445][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9973.891445][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9973.891445][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9973.891445][ T903] ipv6_add_addr+0x411/0x2000 [ 9973.891445][ T903] inet6_addr_add+0x30e/0xa40 [ 9973.891445][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9973.891445][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.891445][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.891445][ T903] netlink_unicast+0x449/0x710 [ 9973.891445][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.891445][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.891445][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.891445][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.891445][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.891445][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.891445][ T903] [ 9973.893800][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9973.893800][ T903] netdev_get_by_index+0x5e/0x80 [ 9973.893800][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9973.893800][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9973.893800][ T903] ip6_route_add+0x1c/0x140 [ 9973.893800][ T903] addrconf_add_mroute+0x129/0x180 [ 9973.893800][ T903] addrconf_add_dev+0xe2/0x170 [ 9973.893800][ T903] inet6_addr_add+0x12f/0xa40 [ 9973.893800][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9973.893800][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.893800][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.893800][ T903] netlink_unicast+0x449/0x710 [ 9973.893800][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.893800][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.893800][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.893800][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.893800][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.893800][ T903] [ 9973.896135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9973.896135][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9973.896135][ T903] ipv6_find_idev+0x102/0x170 [ 9973.896135][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9973.896135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.896135][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.896135][ T903] netlink_unicast+0x449/0x710 [ 9973.896135][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.896135][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.896135][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.896135][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.896135][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.896135][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.896135][ T903] [ 9973.897981][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9973.897981][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9973.897981][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9973.897981][ T903] ipv6_find_idev+0x102/0x170 [ 9973.897981][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9973.897981][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.897981][ T903] netlink_rcv_skb+0x130/0x360 [ 9973.897981][ T903] netlink_unicast+0x449/0x710 [ 9973.897981][ T903] netlink_sendmsg+0x723/0xbe0 [ 9973.897981][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9973.897981][ T903] ___sys_sendmsg+0xee/0x170 [ 9973.897981][ T903] __sys_sendmsg+0xcd/0x170 [ 9973.897981][ T903] do_syscall_64+0xc6/0x1e0 [ 9973.897981][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.897981][ T903] [ 9984.141841][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9984.142285][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9984.142285][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9984.142285][ T903] ip6_validate_gw+0x3eb/0x790 [ 9984.142285][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9984.142285][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9984.142285][ T903] ip6_route_add+0x1c/0x140 [ 9984.142285][ T903] inet6_rtm_newroute+0x104/0x110 [ 9984.142285][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.142285][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.142285][ T903] netlink_unicast+0x449/0x710 [ 9984.142285][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.142285][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.142285][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.142285][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.142285][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.142285][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.142285][ T903] [ 9984.144470][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9984.144470][ T903] netdev_get_by_index+0x5e/0x80 [ 9984.144470][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9984.144470][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9984.144470][ T903] ip6_route_add+0x1c/0x140 [ 9984.144470][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9984.144470][ T903] inet6_addr_add+0x4f8/0xa40 [ 9984.144470][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9984.144470][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.144470][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.144470][ T903] netlink_unicast+0x449/0x710 [ 9984.144470][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.144470][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.144470][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.144470][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.144470][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.144470][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.144470][ T903] [ 9984.146867][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9984.146867][ T903] netdev_get_by_index+0x5e/0x80 [ 9984.146867][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9984.146867][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9984.146867][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9984.146867][ T903] ipv6_add_addr+0x411/0x2000 [ 9984.146867][ T903] inet6_addr_add+0x30e/0xa40 [ 9984.146867][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9984.146867][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.146867][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.146867][ T903] netlink_unicast+0x449/0x710 [ 9984.146867][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.146867][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.146867][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.146867][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.146867][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.146867][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.146867][ T903] [ 9984.149249][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9984.149249][ T903] netdev_get_by_index+0x5e/0x80 [ 9984.149249][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9984.149249][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9984.149249][ T903] ip6_route_add+0x1c/0x140 [ 9984.149249][ T903] addrconf_add_mroute+0x129/0x180 [ 9984.149249][ T903] addrconf_add_dev+0xe2/0x170 [ 9984.149249][ T903] inet6_addr_add+0x12f/0xa40 [ 9984.149249][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9984.149249][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.149249][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.149249][ T903] netlink_unicast+0x449/0x710 [ 9984.149249][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.149249][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.149249][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.149249][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.149249][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.149249][ T903] [ 9984.151590][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9984.151590][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9984.151590][ T903] ipv6_find_idev+0x102/0x170 [ 9984.151590][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9984.151590][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.151590][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.151590][ T903] netlink_unicast+0x449/0x710 [ 9984.151590][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.151590][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.151590][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.151590][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.151590][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.151590][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.151590][ T903] [ 9984.153410][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9984.153410][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9984.153410][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9984.153410][ T903] ipv6_find_idev+0x102/0x170 [ 9984.153410][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9984.153410][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.153410][ T903] netlink_rcv_skb+0x130/0x360 [ 9984.153410][ T903] netlink_unicast+0x449/0x710 [ 9984.153410][ T903] netlink_sendmsg+0x723/0xbe0 [ 9984.153410][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9984.153410][ T903] ___sys_sendmsg+0xee/0x170 [ 9984.153410][ T903] __sys_sendmsg+0xcd/0x170 [ 9984.153410][ T903] do_syscall_64+0xc6/0x1e0 [ 9984.153410][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.153410][ T903] [ 9994.397871][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9994.398409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [ 9994.398409][ T903] ip6_route_check_nh+0x4b8/0x6a0 [ 9994.398409][ T903] ip6_validate_gw+0x3eb/0x790 [ 9994.398409][ T903] fib6_nh_init+0xa5b/0x15b0 [ 9994.398409][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9994.398409][ T903] ip6_route_add+0x1c/0x140 [ 9994.398409][ T903] inet6_rtm_newroute+0x104/0x110 [ 9994.398409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.398409][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.398409][ T903] netlink_unicast+0x449/0x710 [ 9994.398409][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.398409][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.398409][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.398409][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.398409][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.398409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.398409][ T903] [ 9994.400586][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9994.400586][ T903] netdev_get_by_index+0x5e/0x80 [ 9994.400586][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9994.400586][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9994.400586][ T903] ip6_route_add+0x1c/0x140 [ 9994.400586][ T903] addrconf_prefix_route+0x1cc/0x2b0 [ 9994.400586][ T903] inet6_addr_add+0x4f8/0xa40 [ 9994.400586][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9994.400586][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.400586][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.400586][ T903] netlink_unicast+0x449/0x710 [ 9994.400586][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.400586][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.400586][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.400586][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.400586][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.400586][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.400586][ T903] [ 9994.403429][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9994.403429][ T903] netdev_get_by_index+0x5e/0x80 [ 9994.403429][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9994.403429][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9994.403429][ T903] addrconf_f6i_alloc+0x244/0x410 [ 9994.403429][ T903] ipv6_add_addr+0x411/0x2000 [ 9994.403429][ T903] inet6_addr_add+0x30e/0xa40 [ 9994.403429][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9994.403429][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.403429][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.403429][ T903] netlink_unicast+0x449/0x710 [ 9994.403429][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.403429][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.403429][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.403429][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.403429][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.403429][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.403429][ T903] [ 9994.405842][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9994.405842][ T903] netdev_get_by_index+0x5e/0x80 [ 9994.405842][ T903] fib6_nh_init+0x3d8/0x15b0 [ 9994.405842][ T903] ip6_route_info_create+0xf18/0x17d0 [ 9994.405842][ T903] ip6_route_add+0x1c/0x140 [ 9994.405842][ T903] addrconf_add_mroute+0x129/0x180 [ 9994.405842][ T903] addrconf_add_dev+0xe2/0x170 [ 9994.405842][ T903] inet6_addr_add+0x12f/0xa40 [ 9994.405842][ T903] inet6_rtm_newaddr+0x560/0x6b0 [ 9994.405842][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.405842][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.405842][ T903] netlink_unicast+0x449/0x710 [ 9994.405842][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.405842][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.405842][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.405842][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.405842][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.405842][ T903] [ 9994.408133][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9994.408133][ T903] ipv6_add_dev+0x3ba/0x11c0 [ 9994.408133][ T903] ipv6_find_idev+0x102/0x170 [ 9994.408133][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9994.408133][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.408133][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.408133][ T903] netlink_unicast+0x449/0x710 [ 9994.408133][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.408133][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.408133][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.408133][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.408133][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.408133][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.408133][ T903] [ 9994.409863][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [ 9994.409863][ T903] neigh_parms_alloc+0x1e5/0x510 [ 9994.409863][ T903] ipv6_add_dev+0x2fe/0x11c0 [ 9994.409863][ T903] ipv6_find_idev+0x102/0x170 [ 9994.409863][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [ 9994.409863][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.409863][ T903] netlink_rcv_skb+0x130/0x360 [ 9994.409863][ T903] netlink_unicast+0x449/0x710 [ 9994.409863][ T903] netlink_sendmsg+0x723/0xbe0 [ 9994.409863][ T903] ____sys_sendmsg+0x7b2/0xa10 [ 9994.409863][ T903] ___sys_sendmsg+0xee/0x170 [ 9994.409863][ T903] __sys_sendmsg+0xcd/0x170 [ 9994.409863][ T903] do_syscall_64+0xc6/0x1e0 [ 9994.409863][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.409863][ T903] [10004.653845][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10004.654313][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10004.654313][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10004.654313][ T903] ip6_validate_gw+0x3eb/0x790 [10004.654313][ T903] fib6_nh_init+0xa5b/0x15b0 [10004.654313][ T903] ip6_route_info_create+0xf18/0x17d0 [10004.654313][ T903] ip6_route_add+0x1c/0x140 [10004.654313][ T903] inet6_rtm_newroute+0x104/0x110 [10004.654313][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.654313][ T903] netlink_rcv_skb+0x130/0x360 [10004.654313][ T903] netlink_unicast+0x449/0x710 [10004.654313][ T903] netlink_sendmsg+0x723/0xbe0 [10004.654313][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.654313][ T903] ___sys_sendmsg+0xee/0x170 [10004.654313][ T903] __sys_sendmsg+0xcd/0x170 [10004.654313][ T903] do_syscall_64+0xc6/0x1e0 [10004.654313][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.654313][ T903] [10004.656556][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10004.656556][ T903] netdev_get_by_index+0x5e/0x80 [10004.656556][ T903] fib6_nh_init+0x3d8/0x15b0 [10004.656556][ T903] ip6_route_info_create+0xf18/0x17d0 [10004.656556][ T903] ip6_route_add+0x1c/0x140 [10004.656556][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10004.656556][ T903] inet6_addr_add+0x4f8/0xa40 [10004.656556][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10004.656556][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.656556][ T903] netlink_rcv_skb+0x130/0x360 [10004.656556][ T903] netlink_unicast+0x449/0x710 [10004.656556][ T903] netlink_sendmsg+0x723/0xbe0 [10004.656556][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.656556][ T903] ___sys_sendmsg+0xee/0x170 [10004.656556][ T903] __sys_sendmsg+0xcd/0x170 [10004.656556][ T903] do_syscall_64+0xc6/0x1e0 [10004.656556][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.656556][ T903] [10004.658930][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10004.658930][ T903] netdev_get_by_index+0x5e/0x80 [10004.658930][ T903] fib6_nh_init+0x3d8/0x15b0 [10004.658930][ T903] ip6_route_info_create+0xf18/0x17d0 [10004.658930][ T903] addrconf_f6i_alloc+0x244/0x410 [10004.658930][ T903] ipv6_add_addr+0x411/0x2000 [10004.658930][ T903] inet6_addr_add+0x30e/0xa40 [10004.658930][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10004.658930][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.658930][ T903] netlink_rcv_skb+0x130/0x360 [10004.658930][ T903] netlink_unicast+0x449/0x710 [10004.658930][ T903] netlink_sendmsg+0x723/0xbe0 [10004.658930][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.658930][ T903] ___sys_sendmsg+0xee/0x170 [10004.658930][ T903] __sys_sendmsg+0xcd/0x170 [10004.658930][ T903] do_syscall_64+0xc6/0x1e0 [10004.658930][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.658930][ T903] [10004.661243][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10004.661243][ T903] netdev_get_by_index+0x5e/0x80 [10004.661243][ T903] fib6_nh_init+0x3d8/0x15b0 [10004.661243][ T903] ip6_route_info_create+0xf18/0x17d0 [10004.661243][ T903] ip6_route_add+0x1c/0x140 [10004.661243][ T903] addrconf_add_mroute+0x129/0x180 [10004.661243][ T903] addrconf_add_dev+0xe2/0x170 [10004.661243][ T903] inet6_addr_add+0x12f/0xa40 [10004.661243][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10004.661243][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.661243][ T903] netlink_rcv_skb+0x130/0x360 [10004.661243][ T903] netlink_unicast+0x449/0x710 [10004.661243][ T903] netlink_sendmsg+0x723/0xbe0 [10004.661243][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.661243][ T903] ___sys_sendmsg+0xee/0x170 [10004.661243][ T903] __sys_sendmsg+0xcd/0x170 [10004.661243][ T903] do_syscall_64+0xc6/0x1e0 [10004.661243][ T903] [10004.663553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10004.663553][ T903] ipv6_add_dev+0x3ba/0x11c0 [10004.663553][ T903] ipv6_find_idev+0x102/0x170 [10004.663553][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10004.663553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.663553][ T903] netlink_rcv_skb+0x130/0x360 [10004.663553][ T903] netlink_unicast+0x449/0x710 [10004.663553][ T903] netlink_sendmsg+0x723/0xbe0 [10004.663553][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.663553][ T903] ___sys_sendmsg+0xee/0x170 [10004.663553][ T903] __sys_sendmsg+0xcd/0x170 [10004.663553][ T903] do_syscall_64+0xc6/0x1e0 [10004.663553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.663553][ T903] [10004.665367][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10004.665367][ T903] neigh_parms_alloc+0x1e5/0x510 [10004.665367][ T903] ipv6_add_dev+0x2fe/0x11c0 [10004.665367][ T903] ipv6_find_idev+0x102/0x170 [10004.665367][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10004.665367][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.665367][ T903] netlink_rcv_skb+0x130/0x360 [10004.665367][ T903] netlink_unicast+0x449/0x710 [10004.665367][ T903] netlink_sendmsg+0x723/0xbe0 [10004.665367][ T903] ____sys_sendmsg+0x7b2/0xa10 [10004.665367][ T903] ___sys_sendmsg+0xee/0x170 [10004.665367][ T903] __sys_sendmsg+0xcd/0x170 [10004.665367][ T903] do_syscall_64+0xc6/0x1e0 [10004.665367][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.665367][ T903] [10014.909872][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10014.910364][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10014.910364][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10014.910364][ T903] ip6_validate_gw+0x3eb/0x790 [10014.910364][ T903] fib6_nh_init+0xa5b/0x15b0 [10014.910364][ T903] ip6_route_info_create+0xf18/0x17d0 [10014.910364][ T903] ip6_route_add+0x1c/0x140 [10014.910364][ T903] inet6_rtm_newroute+0x104/0x110 [10014.910364][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.910364][ T903] netlink_rcv_skb+0x130/0x360 [10014.910364][ T903] netlink_unicast+0x449/0x710 [10014.910364][ T903] netlink_sendmsg+0x723/0xbe0 [10014.910364][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.910364][ T903] ___sys_sendmsg+0xee/0x170 [10014.910364][ T903] __sys_sendmsg+0xcd/0x170 [10014.910364][ T903] do_syscall_64+0xc6/0x1e0 [10014.910364][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.910364][ T903] [10014.912550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10014.912550][ T903] netdev_get_by_index+0x5e/0x80 [10014.912550][ T903] fib6_nh_init+0x3d8/0x15b0 [10014.912550][ T903] ip6_route_info_create+0xf18/0x17d0 [10014.912550][ T903] ip6_route_add+0x1c/0x140 [10014.912550][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10014.912550][ T903] inet6_addr_add+0x4f8/0xa40 [10014.912550][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10014.912550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.912550][ T903] netlink_rcv_skb+0x130/0x360 [10014.912550][ T903] netlink_unicast+0x449/0x710 [10014.912550][ T903] netlink_sendmsg+0x723/0xbe0 [10014.912550][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.912550][ T903] ___sys_sendmsg+0xee/0x170 [10014.912550][ T903] __sys_sendmsg+0xcd/0x170 [10014.912550][ T903] do_syscall_64+0xc6/0x1e0 [10014.912550][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.912550][ T903] [10014.914905][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10014.914905][ T903] netdev_get_by_index+0x5e/0x80 [10014.914905][ T903] fib6_nh_init+0x3d8/0x15b0 [10014.914905][ T903] ip6_route_info_create+0xf18/0x17d0 [10014.914905][ T903] addrconf_f6i_alloc+0x244/0x410 [10014.914905][ T903] ipv6_add_addr+0x411/0x2000 [10014.914905][ T903] inet6_addr_add+0x30e/0xa40 [10014.914905][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10014.914905][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.914905][ T903] netlink_rcv_skb+0x130/0x360 [10014.914905][ T903] netlink_unicast+0x449/0x710 [10014.914905][ T903] netlink_sendmsg+0x723/0xbe0 [10014.914905][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.914905][ T903] ___sys_sendmsg+0xee/0x170 [10014.914905][ T903] __sys_sendmsg+0xcd/0x170 [10014.914905][ T903] do_syscall_64+0xc6/0x1e0 [10014.914905][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.914905][ T903] [10014.917230][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10014.917230][ T903] netdev_get_by_index+0x5e/0x80 [10014.917230][ T903] fib6_nh_init+0x3d8/0x15b0 [10014.917230][ T903] ip6_route_info_create+0xf18/0x17d0 [10014.917230][ T903] ip6_route_add+0x1c/0x140 [10014.917230][ T903] addrconf_add_mroute+0x129/0x180 [10014.917230][ T903] addrconf_add_dev+0xe2/0x170 [10014.917230][ T903] inet6_addr_add+0x12f/0xa40 [10014.917230][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10014.917230][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.917230][ T903] netlink_rcv_skb+0x130/0x360 [10014.917230][ T903] netlink_unicast+0x449/0x710 [10014.917230][ T903] netlink_sendmsg+0x723/0xbe0 [10014.917230][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.917230][ T903] ___sys_sendmsg+0xee/0x170 [10014.917230][ T903] __sys_sendmsg+0xcd/0x170 [10014.917230][ T903] do_syscall_64+0xc6/0x1e0 [10014.917230][ T903] [10014.919481][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10014.919481][ T903] ipv6_add_dev+0x3ba/0x11c0 [10014.919481][ T903] ipv6_find_idev+0x102/0x170 [10014.919481][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10014.919481][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.919481][ T903] netlink_rcv_skb+0x130/0x360 [10014.919481][ T903] netlink_unicast+0x449/0x710 [10014.919481][ T903] netlink_sendmsg+0x723/0xbe0 [10014.919481][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.919481][ T903] ___sys_sendmsg+0xee/0x170 [10014.919481][ T903] __sys_sendmsg+0xcd/0x170 [10014.919481][ T903] do_syscall_64+0xc6/0x1e0 [10014.919481][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.919481][ T903] [10014.921236][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10014.921236][ T903] neigh_parms_alloc+0x1e5/0x510 [10014.921236][ T903] ipv6_add_dev+0x2fe/0x11c0 [10014.921236][ T903] ipv6_find_idev+0x102/0x170 [10014.921236][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10014.921236][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.921236][ T903] netlink_rcv_skb+0x130/0x360 [10014.921236][ T903] netlink_unicast+0x449/0x710 [10014.921236][ T903] netlink_sendmsg+0x723/0xbe0 [10014.921236][ T903] ____sys_sendmsg+0x7b2/0xa10 [10014.921236][ T903] ___sys_sendmsg+0xee/0x170 [10014.921236][ T903] __sys_sendmsg+0xcd/0x170 [10014.921236][ T903] do_syscall_64+0xc6/0x1e0 [10014.921236][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.921236][ T903] [10025.165867][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10025.166921][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10025.166921][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10025.166921][ T903] ip6_validate_gw+0x3eb/0x790 [10025.166921][ T903] fib6_nh_init+0xa5b/0x15b0 [10025.166921][ T903] ip6_route_info_create+0xf18/0x17d0 [10025.166921][ T903] ip6_route_add+0x1c/0x140 [10025.166921][ T903] inet6_rtm_newroute+0x104/0x110 [10025.166921][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.166921][ T903] netlink_rcv_skb+0x130/0x360 [10025.166921][ T903] netlink_unicast+0x449/0x710 [10025.166921][ T903] netlink_sendmsg+0x723/0xbe0 [10025.166921][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.166921][ T903] ___sys_sendmsg+0xee/0x170 [10025.166921][ T903] __sys_sendmsg+0xcd/0x170 [10025.166921][ T903] do_syscall_64+0xc6/0x1e0 [10025.166921][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10025.166921][ T903] [10025.169268][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10025.169268][ T903] netdev_get_by_index+0x5e/0x80 [10025.169268][ T903] fib6_nh_init+0x3d8/0x15b0 [10025.169268][ T903] ip6_route_info_create+0xf18/0x17d0 [10025.169268][ T903] ip6_route_add+0x1c/0x140 [10025.169268][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10025.169268][ T903] inet6_addr_add+0x4f8/0xa40 [10025.169268][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10025.169268][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.169268][ T903] netlink_rcv_skb+0x130/0x360 [10025.169268][ T903] netlink_unicast+0x449/0x710 [10025.169268][ T903] netlink_sendmsg+0x723/0xbe0 [10025.169268][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.169268][ T903] ___sys_sendmsg+0xee/0x170 [10025.169268][ T903] __sys_sendmsg+0xcd/0x170 [10025.169268][ T903] do_syscall_64+0xc6/0x1e0 [10025.169268][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10025.169268][ T903] [10025.171557][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10025.171557][ T903] netdev_get_by_index+0x5e/0x80 [10025.171557][ T903] fib6_nh_init+0x3d8/0x15b0 [10025.171557][ T903] ip6_route_info_create+0xf18/0x17d0 [10025.171557][ T903] addrconf_f6i_alloc+0x244/0x410 [10025.171557][ T903] ipv6_add_addr+0x411/0x2000 [10025.171557][ T903] inet6_addr_add+0x30e/0xa40 [10025.171557][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10025.171557][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.171557][ T903] netlink_rcv_skb+0x130/0x360 [10025.171557][ T903] netlink_unicast+0x449/0x710 [10025.171557][ T903] netlink_sendmsg+0x723/0xbe0 [10025.171557][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.171557][ T903] ___sys_sendmsg+0xee/0x170 [10025.171557][ T903] __sys_sendmsg+0xcd/0x170 [10025.171557][ T903] do_syscall_64+0xc6/0x1e0 [10025.171557][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10025.171557][ T903] [10025.173828][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10025.173828][ T903] netdev_get_by_index+0x5e/0x80 [10025.173828][ T903] fib6_nh_init+0x3d8/0x15b0 [10025.173828][ T903] ip6_route_info_create+0xf18/0x17d0 [10025.173828][ T903] ip6_route_add+0x1c/0x140 [10025.173828][ T903] addrconf_add_mroute+0x129/0x180 [10025.173828][ T903] addrconf_add_dev+0xe2/0x170 [10025.173828][ T903] inet6_addr_add+0x12f/0xa40 [10025.173828][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10025.173828][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.173828][ T903] netlink_rcv_skb+0x130/0x360 [10025.173828][ T903] netlink_unicast+0x449/0x710 [10025.173828][ T903] netlink_sendmsg+0x723/0xbe0 [10025.173828][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.173828][ T903] ___sys_sendmsg+0xee/0x170 [10025.173828][ T903] __sys_sendmsg+0xcd/0x170 [10025.173828][ T903] do_syscall_64+0xc6/0x1e0 [10025.173828][ T903] [10025.176033][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10025.176033][ T903] ipv6_add_dev+0x3ba/0x11c0 [10025.176033][ T903] ipv6_find_idev+0x102/0x170 [10025.176033][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10025.176033][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.176033][ T903] netlink_rcv_skb+0x130/0x360 [10025.176033][ T903] netlink_unicast+0x449/0x710 [10025.176033][ T903] netlink_sendmsg+0x723/0xbe0 [10025.176033][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.176033][ T903] ___sys_sendmsg+0xee/0x170 [10025.176033][ T903] __sys_sendmsg+0xcd/0x170 [10025.176033][ T903] do_syscall_64+0xc6/0x1e0 [10025.176033][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10025.176033][ T903] [10025.178276][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10025.178276][ T903] neigh_parms_alloc+0x1e5/0x510 [10025.178276][ T903] ipv6_add_dev+0x2fe/0x11c0 [10025.178276][ T903] ipv6_find_idev+0x102/0x170 [10025.178276][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10025.178276][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10025.178276][ T903] netlink_rcv_skb+0x130/0x360 [10025.178276][ T903] netlink_unicast+0x449/0x710 [10025.178276][ T903] netlink_sendmsg+0x723/0xbe0 [10025.178276][ T903] ____sys_sendmsg+0x7b2/0xa10 [10025.178276][ T903] ___sys_sendmsg+0xee/0x170 [10025.178276][ T903] __sys_sendmsg+0xcd/0x170 [10025.178276][ T903] do_syscall_64+0xc6/0x1e0 [10025.178276][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10025.178276][ T903] [10035.421948][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10035.423025][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10035.423025][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10035.423025][ T903] ip6_validate_gw+0x3eb/0x790 [10035.423025][ T903] fib6_nh_init+0xa5b/0x15b0 [10035.423025][ T903] ip6_route_info_create+0xf18/0x17d0 [10035.423025][ T903] ip6_route_add+0x1c/0x140 [10035.423025][ T903] inet6_rtm_newroute+0x104/0x110 [10035.423025][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.423025][ T903] netlink_rcv_skb+0x130/0x360 [10035.423025][ T903] netlink_unicast+0x449/0x710 [10035.423025][ T903] netlink_sendmsg+0x723/0xbe0 [10035.423025][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.423025][ T903] ___sys_sendmsg+0xee/0x170 [10035.423025][ T903] __sys_sendmsg+0xcd/0x170 [10035.423025][ T903] do_syscall_64+0xc6/0x1e0 [10035.423025][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10035.423025][ T903] [10035.425306][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10035.425306][ T903] netdev_get_by_index+0x5e/0x80 [10035.425306][ T903] fib6_nh_init+0x3d8/0x15b0 [10035.425306][ T903] ip6_route_info_create+0xf18/0x17d0 [10035.425306][ T903] ip6_route_add+0x1c/0x140 [10035.425306][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10035.425306][ T903] inet6_addr_add+0x4f8/0xa40 [10035.425306][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10035.425306][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.425306][ T903] netlink_rcv_skb+0x130/0x360 [10035.425306][ T903] netlink_unicast+0x449/0x710 [10035.425306][ T903] netlink_sendmsg+0x723/0xbe0 [10035.425306][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.425306][ T903] ___sys_sendmsg+0xee/0x170 [10035.425306][ T903] __sys_sendmsg+0xcd/0x170 [10035.425306][ T903] do_syscall_64+0xc6/0x1e0 [10035.425306][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10035.425306][ T903] [10035.427785][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10035.427785][ T903] netdev_get_by_index+0x5e/0x80 [10035.427785][ T903] fib6_nh_init+0x3d8/0x15b0 [10035.427785][ T903] ip6_route_info_create+0xf18/0x17d0 [10035.427785][ T903] addrconf_f6i_alloc+0x244/0x410 [10035.427785][ T903] ipv6_add_addr+0x411/0x2000 [10035.427785][ T903] inet6_addr_add+0x30e/0xa40 [10035.427785][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10035.427785][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.427785][ T903] netlink_rcv_skb+0x130/0x360 [10035.427785][ T903] netlink_unicast+0x449/0x710 [10035.427785][ T903] netlink_sendmsg+0x723/0xbe0 [10035.427785][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.427785][ T903] ___sys_sendmsg+0xee/0x170 [10035.427785][ T903] __sys_sendmsg+0xcd/0x170 [10035.427785][ T903] do_syscall_64+0xc6/0x1e0 [10035.427785][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10035.427785][ T903] [10035.430118][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10035.430118][ T903] netdev_get_by_index+0x5e/0x80 [10035.430118][ T903] fib6_nh_init+0x3d8/0x15b0 [10035.430118][ T903] ip6_route_info_create+0xf18/0x17d0 [10035.430118][ T903] ip6_route_add+0x1c/0x140 [10035.430118][ T903] addrconf_add_mroute+0x129/0x180 [10035.430118][ T903] addrconf_add_dev+0xe2/0x170 [10035.430118][ T903] inet6_addr_add+0x12f/0xa40 [10035.430118][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10035.430118][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.430118][ T903] netlink_rcv_skb+0x130/0x360 [10035.430118][ T903] netlink_unicast+0x449/0x710 [10035.430118][ T903] netlink_sendmsg+0x723/0xbe0 [10035.430118][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.430118][ T903] ___sys_sendmsg+0xee/0x170 [10035.430118][ T903] __sys_sendmsg+0xcd/0x170 [10035.430118][ T903] do_syscall_64+0xc6/0x1e0 [10035.430118][ T903] [10035.432434][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10035.432434][ T903] ipv6_add_dev+0x3ba/0x11c0 [10035.432434][ T903] ipv6_find_idev+0x102/0x170 [10035.432434][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10035.432434][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.432434][ T903] netlink_rcv_skb+0x130/0x360 [10035.432434][ T903] netlink_unicast+0x449/0x710 [10035.432434][ T903] netlink_sendmsg+0x723/0xbe0 [10035.432434][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.432434][ T903] ___sys_sendmsg+0xee/0x170 [10035.432434][ T903] __sys_sendmsg+0xcd/0x170 [10035.432434][ T903] do_syscall_64+0xc6/0x1e0 [10035.432434][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10035.432434][ T903] [10035.434272][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10035.434272][ T903] neigh_parms_alloc+0x1e5/0x510 [10035.434272][ T903] ipv6_add_dev+0x2fe/0x11c0 [10035.434272][ T903] ipv6_find_idev+0x102/0x170 [10035.434272][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10035.434272][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10035.434272][ T903] netlink_rcv_skb+0x130/0x360 [10035.434272][ T903] netlink_unicast+0x449/0x710 [10035.434272][ T903] netlink_sendmsg+0x723/0xbe0 [10035.434272][ T903] ____sys_sendmsg+0x7b2/0xa10 [10035.434272][ T903] ___sys_sendmsg+0xee/0x170 [10035.434272][ T903] __sys_sendmsg+0xcd/0x170 [10035.434272][ T903] do_syscall_64+0xc6/0x1e0 [10035.434272][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10035.434272][ T903] [10045.685826][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10045.686362][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10045.686362][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10045.686362][ T903] ip6_validate_gw+0x3eb/0x790 [10045.686362][ T903] fib6_nh_init+0xa5b/0x15b0 [10045.686362][ T903] ip6_route_info_create+0xf18/0x17d0 [10045.686362][ T903] ip6_route_add+0x1c/0x140 [10045.686362][ T903] inet6_rtm_newroute+0x104/0x110 [10045.686362][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.686362][ T903] netlink_rcv_skb+0x130/0x360 [10045.686362][ T903] netlink_unicast+0x449/0x710 [10045.686362][ T903] netlink_sendmsg+0x723/0xbe0 [10045.686362][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.686362][ T903] ___sys_sendmsg+0xee/0x170 [10045.686362][ T903] __sys_sendmsg+0xcd/0x170 [10045.686362][ T903] do_syscall_64+0xc6/0x1e0 [10045.686362][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10045.686362][ T903] [10045.688645][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10045.688645][ T903] netdev_get_by_index+0x5e/0x80 [10045.688645][ T903] fib6_nh_init+0x3d8/0x15b0 [10045.688645][ T903] ip6_route_info_create+0xf18/0x17d0 [10045.688645][ T903] ip6_route_add+0x1c/0x140 [10045.688645][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10045.688645][ T903] inet6_addr_add+0x4f8/0xa40 [10045.688645][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10045.688645][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.688645][ T903] netlink_rcv_skb+0x130/0x360 [10045.688645][ T903] netlink_unicast+0x449/0x710 [10045.688645][ T903] netlink_sendmsg+0x723/0xbe0 [10045.688645][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.688645][ T903] ___sys_sendmsg+0xee/0x170 [10045.688645][ T903] __sys_sendmsg+0xcd/0x170 [10045.688645][ T903] do_syscall_64+0xc6/0x1e0 [10045.688645][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10045.688645][ T903] [10045.691032][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10045.691032][ T903] netdev_get_by_index+0x5e/0x80 [10045.691032][ T903] fib6_nh_init+0x3d8/0x15b0 [10045.691032][ T903] ip6_route_info_create+0xf18/0x17d0 [10045.691032][ T903] addrconf_f6i_alloc+0x244/0x410 [10045.691032][ T903] ipv6_add_addr+0x411/0x2000 [10045.691032][ T903] inet6_addr_add+0x30e/0xa40 [10045.691032][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10045.691032][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.691032][ T903] netlink_rcv_skb+0x130/0x360 [10045.691032][ T903] netlink_unicast+0x449/0x710 [10045.691032][ T903] netlink_sendmsg+0x723/0xbe0 [10045.691032][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.691032][ T903] ___sys_sendmsg+0xee/0x170 [10045.691032][ T903] __sys_sendmsg+0xcd/0x170 [10045.691032][ T903] do_syscall_64+0xc6/0x1e0 [10045.691032][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10045.691032][ T903] [10045.693416][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10045.693416][ T903] netdev_get_by_index+0x5e/0x80 [10045.693416][ T903] fib6_nh_init+0x3d8/0x15b0 [10045.693416][ T903] ip6_route_info_create+0xf18/0x17d0 [10045.693416][ T903] ip6_route_add+0x1c/0x140 [10045.693416][ T903] addrconf_add_mroute+0x129/0x180 [10045.693416][ T903] addrconf_add_dev+0xe2/0x170 [10045.693416][ T903] inet6_addr_add+0x12f/0xa40 [10045.693416][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10045.693416][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.693416][ T903] netlink_rcv_skb+0x130/0x360 [10045.693416][ T903] netlink_unicast+0x449/0x710 [10045.693416][ T903] netlink_sendmsg+0x723/0xbe0 [10045.693416][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.693416][ T903] ___sys_sendmsg+0xee/0x170 [10045.693416][ T903] __sys_sendmsg+0xcd/0x170 [10045.693416][ T903] do_syscall_64+0xc6/0x1e0 [10045.693416][ T903] [10045.695691][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10045.695691][ T903] ipv6_add_dev+0x3ba/0x11c0 [10045.695691][ T903] ipv6_find_idev+0x102/0x170 [10045.695691][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10045.695691][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.695691][ T903] netlink_rcv_skb+0x130/0x360 [10045.695691][ T903] netlink_unicast+0x449/0x710 [10045.695691][ T903] netlink_sendmsg+0x723/0xbe0 [10045.695691][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.695691][ T903] ___sys_sendmsg+0xee/0x170 [10045.695691][ T903] __sys_sendmsg+0xcd/0x170 [10045.695691][ T903] do_syscall_64+0xc6/0x1e0 [10045.695691][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10045.695691][ T903] [10045.697553][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10045.697553][ T903] neigh_parms_alloc+0x1e5/0x510 [10045.697553][ T903] ipv6_add_dev+0x2fe/0x11c0 [10045.697553][ T903] ipv6_find_idev+0x102/0x170 [10045.697553][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10045.697553][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10045.697553][ T903] netlink_rcv_skb+0x130/0x360 [10045.697553][ T903] netlink_unicast+0x449/0x710 [10045.697553][ T903] netlink_sendmsg+0x723/0xbe0 [10045.697553][ T903] ____sys_sendmsg+0x7b2/0xa10 [10045.697553][ T903] ___sys_sendmsg+0xee/0x170 [10045.697553][ T903] __sys_sendmsg+0xcd/0x170 [10045.697553][ T903] do_syscall_64+0xc6/0x1e0 [10045.697553][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10045.697553][ T903] [10055.941820][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10055.942468][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10055.942468][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10055.942468][ T903] ip6_validate_gw+0x3eb/0x790 [10055.942468][ T903] fib6_nh_init+0xa5b/0x15b0 [10055.942468][ T903] ip6_route_info_create+0xf18/0x17d0 [10055.942468][ T903] ip6_route_add+0x1c/0x140 [10055.942468][ T903] inet6_rtm_newroute+0x104/0x110 [10055.942468][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.942468][ T903] netlink_rcv_skb+0x130/0x360 [10055.942468][ T903] netlink_unicast+0x449/0x710 [10055.942468][ T903] netlink_sendmsg+0x723/0xbe0 [10055.942468][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.942468][ T903] ___sys_sendmsg+0xee/0x170 [10055.942468][ T903] __sys_sendmsg+0xcd/0x170 [10055.942468][ T903] do_syscall_64+0xc6/0x1e0 [10055.942468][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.942468][ T903] [10055.944754][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10055.944754][ T903] netdev_get_by_index+0x5e/0x80 [10055.944754][ T903] fib6_nh_init+0x3d8/0x15b0 [10055.944754][ T903] ip6_route_info_create+0xf18/0x17d0 [10055.944754][ T903] ip6_route_add+0x1c/0x140 [10055.944754][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10055.944754][ T903] inet6_addr_add+0x4f8/0xa40 [10055.944754][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10055.944754][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.944754][ T903] netlink_rcv_skb+0x130/0x360 [10055.944754][ T903] netlink_unicast+0x449/0x710 [10055.944754][ T903] netlink_sendmsg+0x723/0xbe0 [10055.944754][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.944754][ T903] ___sys_sendmsg+0xee/0x170 [10055.944754][ T903] __sys_sendmsg+0xcd/0x170 [10055.944754][ T903] do_syscall_64+0xc6/0x1e0 [10055.944754][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.944754][ T903] [10055.947135][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10055.947135][ T903] netdev_get_by_index+0x5e/0x80 [10055.947135][ T903] fib6_nh_init+0x3d8/0x15b0 [10055.947135][ T903] ip6_route_info_create+0xf18/0x17d0 [10055.947135][ T903] addrconf_f6i_alloc+0x244/0x410 [10055.947135][ T903] ipv6_add_addr+0x411/0x2000 [10055.947135][ T903] inet6_addr_add+0x30e/0xa40 [10055.947135][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10055.947135][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.947135][ T903] netlink_rcv_skb+0x130/0x360 [10055.947135][ T903] netlink_unicast+0x449/0x710 [10055.947135][ T903] netlink_sendmsg+0x723/0xbe0 [10055.947135][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.947135][ T903] ___sys_sendmsg+0xee/0x170 [10055.947135][ T903] __sys_sendmsg+0xcd/0x170 [10055.947135][ T903] do_syscall_64+0xc6/0x1e0 [10055.947135][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.947135][ T903] [10055.949577][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10055.949577][ T903] netdev_get_by_index+0x5e/0x80 [10055.949577][ T903] fib6_nh_init+0x3d8/0x15b0 [10055.949577][ T903] ip6_route_info_create+0xf18/0x17d0 [10055.949577][ T903] ip6_route_add+0x1c/0x140 [10055.949577][ T903] addrconf_add_mroute+0x129/0x180 [10055.949577][ T903] addrconf_add_dev+0xe2/0x170 [10055.949577][ T903] inet6_addr_add+0x12f/0xa40 [10055.949577][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10055.949577][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.949577][ T903] netlink_rcv_skb+0x130/0x360 [10055.949577][ T903] netlink_unicast+0x449/0x710 [10055.949577][ T903] netlink_sendmsg+0x723/0xbe0 [10055.949577][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.949577][ T903] ___sys_sendmsg+0xee/0x170 [10055.949577][ T903] __sys_sendmsg+0xcd/0x170 [10055.949577][ T903] do_syscall_64+0xc6/0x1e0 [10055.949577][ T903] [10055.951873][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10055.951873][ T903] ipv6_add_dev+0x3ba/0x11c0 [10055.951873][ T903] ipv6_find_idev+0x102/0x170 [10055.951873][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10055.951873][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.951873][ T903] netlink_rcv_skb+0x130/0x360 [10055.951873][ T903] netlink_unicast+0x449/0x710 [10055.951873][ T903] netlink_sendmsg+0x723/0xbe0 [10055.951873][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.951873][ T903] ___sys_sendmsg+0xee/0x170 [10055.951873][ T903] __sys_sendmsg+0xcd/0x170 [10055.951873][ T903] do_syscall_64+0xc6/0x1e0 [10055.951873][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.951873][ T903] [10055.953681][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10055.953681][ T903] neigh_parms_alloc+0x1e5/0x510 [10055.953681][ T903] ipv6_add_dev+0x2fe/0x11c0 [10055.953681][ T903] ipv6_find_idev+0x102/0x170 [10055.953681][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10055.953681][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.953681][ T903] netlink_rcv_skb+0x130/0x360 [10055.953681][ T903] netlink_unicast+0x449/0x710 [10055.953681][ T903] netlink_sendmsg+0x723/0xbe0 [10055.953681][ T903] ____sys_sendmsg+0x7b2/0xa10 [10055.953681][ T903] ___sys_sendmsg+0xee/0x170 [10055.953681][ T903] __sys_sendmsg+0xcd/0x170 [10055.953681][ T903] do_syscall_64+0xc6/0x1e0 [10055.953681][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.953681][ T903] [10066.197952][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10066.198486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10066.198486][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10066.198486][ T903] ip6_validate_gw+0x3eb/0x790 [10066.198486][ T903] fib6_nh_init+0xa5b/0x15b0 [10066.198486][ T903] ip6_route_info_create+0xf18/0x17d0 [10066.198486][ T903] ip6_route_add+0x1c/0x140 [10066.198486][ T903] inet6_rtm_newroute+0x104/0x110 [10066.198486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.198486][ T903] netlink_rcv_skb+0x130/0x360 [10066.198486][ T903] netlink_unicast+0x449/0x710 [10066.198486][ T903] netlink_sendmsg+0x723/0xbe0 [10066.198486][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.198486][ T903] ___sys_sendmsg+0xee/0x170 [10066.198486][ T903] __sys_sendmsg+0xcd/0x170 [10066.198486][ T903] do_syscall_64+0xc6/0x1e0 [10066.198486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10066.198486][ T903] [10066.200950][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10066.200950][ T903] netdev_get_by_index+0x5e/0x80 [10066.200950][ T903] fib6_nh_init+0x3d8/0x15b0 [10066.200950][ T903] ip6_route_info_create+0xf18/0x17d0 [10066.200950][ T903] ip6_route_add+0x1c/0x140 [10066.200950][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10066.200950][ T903] inet6_addr_add+0x4f8/0xa40 [10066.200950][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10066.200950][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.200950][ T903] netlink_rcv_skb+0x130/0x360 [10066.200950][ T903] netlink_unicast+0x449/0x710 [10066.200950][ T903] netlink_sendmsg+0x723/0xbe0 [10066.200950][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.200950][ T903] ___sys_sendmsg+0xee/0x170 [10066.200950][ T903] __sys_sendmsg+0xcd/0x170 [10066.200950][ T903] do_syscall_64+0xc6/0x1e0 [10066.200950][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10066.200950][ T903] [10066.204555][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10066.204555][ T903] netdev_get_by_index+0x5e/0x80 [10066.204555][ T903] fib6_nh_init+0x3d8/0x15b0 [10066.204555][ T903] ip6_route_info_create+0xf18/0x17d0 [10066.204555][ T903] addrconf_f6i_alloc+0x244/0x410 [10066.204555][ T903] ipv6_add_addr+0x411/0x2000 [10066.204555][ T903] inet6_addr_add+0x30e/0xa40 [10066.204555][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10066.204555][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.204555][ T903] netlink_rcv_skb+0x130/0x360 [10066.204555][ T903] netlink_unicast+0x449/0x710 [10066.204555][ T903] netlink_sendmsg+0x723/0xbe0 [10066.204555][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.204555][ T903] ___sys_sendmsg+0xee/0x170 [10066.204555][ T903] __sys_sendmsg+0xcd/0x170 [10066.204555][ T903] do_syscall_64+0xc6/0x1e0 [10066.204555][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10066.204555][ T903] [10066.208408][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10066.208408][ T903] netdev_get_by_index+0x5e/0x80 [10066.208408][ T903] fib6_nh_init+0x3d8/0x15b0 [10066.208408][ T903] ip6_route_info_create+0xf18/0x17d0 [10066.208408][ T903] ip6_route_add+0x1c/0x140 [10066.208408][ T903] addrconf_add_mroute+0x129/0x180 [10066.208408][ T903] addrconf_add_dev+0xe2/0x170 [10066.208408][ T903] inet6_addr_add+0x12f/0xa40 [10066.208408][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10066.208408][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.208408][ T903] netlink_rcv_skb+0x130/0x360 [10066.208408][ T903] netlink_unicast+0x449/0x710 [10066.208408][ T903] netlink_sendmsg+0x723/0xbe0 [10066.208408][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.208408][ T903] ___sys_sendmsg+0xee/0x170 [10066.208408][ T903] __sys_sendmsg+0xcd/0x170 [10066.208408][ T903] do_syscall_64+0xc6/0x1e0 [10066.208408][ T903] [10066.212039][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10066.212039][ T903] ipv6_add_dev+0x3ba/0x11c0 [10066.212039][ T903] ipv6_find_idev+0x102/0x170 [10066.212039][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10066.212039][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.212039][ T903] netlink_rcv_skb+0x130/0x360 [10066.212039][ T903] netlink_unicast+0x449/0x710 [10066.212039][ T903] netlink_sendmsg+0x723/0xbe0 [10066.212039][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.212039][ T903] ___sys_sendmsg+0xee/0x170 [10066.212039][ T903] __sys_sendmsg+0xcd/0x170 [10066.212039][ T903] do_syscall_64+0xc6/0x1e0 [10066.212039][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10066.212039][ T903] [10066.214831][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10066.214831][ T903] neigh_parms_alloc+0x1e5/0x510 [10066.214831][ T903] ipv6_add_dev+0x2fe/0x11c0 [10066.214831][ T903] ipv6_find_idev+0x102/0x170 [10066.214831][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10066.214831][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10066.214831][ T903] netlink_rcv_skb+0x130/0x360 [10066.214831][ T903] netlink_unicast+0x449/0x710 [10066.214831][ T903] netlink_sendmsg+0x723/0xbe0 [10066.214831][ T903] ____sys_sendmsg+0x7b2/0xa10 [10066.214831][ T903] ___sys_sendmsg+0xee/0x170 [10066.214831][ T903] __sys_sendmsg+0xcd/0x170 [10066.214831][ T903] do_syscall_64+0xc6/0x1e0 [10066.214831][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10066.214831][ T903] [10076.453850][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10076.454391][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10076.454391][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10076.454391][ T903] ip6_validate_gw+0x3eb/0x790 [10076.454391][ T903] fib6_nh_init+0xa5b/0x15b0 [10076.454391][ T903] ip6_route_info_create+0xf18/0x17d0 [10076.454391][ T903] ip6_route_add+0x1c/0x140 [10076.454391][ T903] inet6_rtm_newroute+0x104/0x110 [10076.454391][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.454391][ T903] netlink_rcv_skb+0x130/0x360 [10076.454391][ T903] netlink_unicast+0x449/0x710 [10076.454391][ T903] netlink_sendmsg+0x723/0xbe0 [10076.454391][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.454391][ T903] ___sys_sendmsg+0xee/0x170 [10076.454391][ T903] __sys_sendmsg+0xcd/0x170 [10076.454391][ T903] do_syscall_64+0xc6/0x1e0 [10076.454391][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10076.454391][ T903] [10076.456603][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10076.456603][ T903] netdev_get_by_index+0x5e/0x80 [10076.456603][ T903] fib6_nh_init+0x3d8/0x15b0 [10076.456603][ T903] ip6_route_info_create+0xf18/0x17d0 [10076.456603][ T903] ip6_route_add+0x1c/0x140 [10076.456603][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10076.456603][ T903] inet6_addr_add+0x4f8/0xa40 [10076.456603][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10076.456603][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.456603][ T903] netlink_rcv_skb+0x130/0x360 [10076.456603][ T903] netlink_unicast+0x449/0x710 [10076.456603][ T903] netlink_sendmsg+0x723/0xbe0 [10076.456603][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.456603][ T903] ___sys_sendmsg+0xee/0x170 [10076.456603][ T903] __sys_sendmsg+0xcd/0x170 [10076.456603][ T903] do_syscall_64+0xc6/0x1e0 [10076.456603][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10076.456603][ T903] [10076.458982][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10076.458982][ T903] netdev_get_by_index+0x5e/0x80 [10076.458982][ T903] fib6_nh_init+0x3d8/0x15b0 [10076.458982][ T903] ip6_route_info_create+0xf18/0x17d0 [10076.458982][ T903] addrconf_f6i_alloc+0x244/0x410 [10076.458982][ T903] ipv6_add_addr+0x411/0x2000 [10076.458982][ T903] inet6_addr_add+0x30e/0xa40 [10076.458982][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10076.458982][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.458982][ T903] netlink_rcv_skb+0x130/0x360 [10076.458982][ T903] netlink_unicast+0x449/0x710 [10076.458982][ T903] netlink_sendmsg+0x723/0xbe0 [10076.458982][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.458982][ T903] ___sys_sendmsg+0xee/0x170 [10076.458982][ T903] __sys_sendmsg+0xcd/0x170 [10076.458982][ T903] do_syscall_64+0xc6/0x1e0 [10076.458982][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10076.458982][ T903] [10076.461331][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10076.461331][ T903] netdev_get_by_index+0x5e/0x80 [10076.461331][ T903] fib6_nh_init+0x3d8/0x15b0 [10076.461331][ T903] ip6_route_info_create+0xf18/0x17d0 [10076.461331][ T903] ip6_route_add+0x1c/0x140 [10076.461331][ T903] addrconf_add_mroute+0x129/0x180 [10076.461331][ T903] addrconf_add_dev+0xe2/0x170 [10076.461331][ T903] inet6_addr_add+0x12f/0xa40 [10076.461331][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10076.461331][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.461331][ T903] netlink_rcv_skb+0x130/0x360 [10076.461331][ T903] netlink_unicast+0x449/0x710 [10076.461331][ T903] netlink_sendmsg+0x723/0xbe0 [10076.461331][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.461331][ T903] ___sys_sendmsg+0xee/0x170 [10076.461331][ T903] __sys_sendmsg+0xcd/0x170 [10076.461331][ T903] do_syscall_64+0xc6/0x1e0 [10076.461331][ T903] [10076.463564][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10076.463564][ T903] ipv6_add_dev+0x3ba/0x11c0 [10076.463564][ T903] ipv6_find_idev+0x102/0x170 [10076.463564][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10076.463564][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.463564][ T903] netlink_rcv_skb+0x130/0x360 [10076.463564][ T903] netlink_unicast+0x449/0x710 [10076.463564][ T903] netlink_sendmsg+0x723/0xbe0 [10076.463564][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.463564][ T903] ___sys_sendmsg+0xee/0x170 [10076.463564][ T903] __sys_sendmsg+0xcd/0x170 [10076.463564][ T903] do_syscall_64+0xc6/0x1e0 [10076.463564][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10076.463564][ T903] [10076.465401][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10076.465401][ T903] neigh_parms_alloc+0x1e5/0x510 [10076.465401][ T903] ipv6_add_dev+0x2fe/0x11c0 [10076.465401][ T903] ipv6_find_idev+0x102/0x170 [10076.465401][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10076.465401][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10076.465401][ T903] netlink_rcv_skb+0x130/0x360 [10076.465401][ T903] netlink_unicast+0x449/0x710 [10076.465401][ T903] netlink_sendmsg+0x723/0xbe0 [10076.465401][ T903] ____sys_sendmsg+0x7b2/0xa10 [10076.465401][ T903] ___sys_sendmsg+0xee/0x170 [10076.465401][ T903] __sys_sendmsg+0xcd/0x170 [10076.465401][ T903] do_syscall_64+0xc6/0x1e0 [10076.465401][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10076.465401][ T903] [10086.709870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10086.710938][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10086.710938][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10086.710938][ T903] ip6_validate_gw+0x3eb/0x790 [10086.710938][ T903] fib6_nh_init+0xa5b/0x15b0 [10086.710938][ T903] ip6_route_info_create+0xf18/0x17d0 [10086.710938][ T903] ip6_route_add+0x1c/0x140 [10086.710938][ T903] inet6_rtm_newroute+0x104/0x110 [10086.710938][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.710938][ T903] netlink_rcv_skb+0x130/0x360 [10086.710938][ T903] netlink_unicast+0x449/0x710 [10086.710938][ T903] netlink_sendmsg+0x723/0xbe0 [10086.710938][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.710938][ T903] ___sys_sendmsg+0xee/0x170 [10086.710938][ T903] __sys_sendmsg+0xcd/0x170 [10086.710938][ T903] do_syscall_64+0xc6/0x1e0 [10086.710938][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10086.710938][ T903] [10086.713237][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10086.713237][ T903] netdev_get_by_index+0x5e/0x80 [10086.713237][ T903] fib6_nh_init+0x3d8/0x15b0 [10086.713237][ T903] ip6_route_info_create+0xf18/0x17d0 [10086.713237][ T903] ip6_route_add+0x1c/0x140 [10086.713237][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10086.713237][ T903] inet6_addr_add+0x4f8/0xa40 [10086.713237][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10086.713237][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.713237][ T903] netlink_rcv_skb+0x130/0x360 [10086.713237][ T903] netlink_unicast+0x449/0x710 [10086.713237][ T903] netlink_sendmsg+0x723/0xbe0 [10086.713237][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.713237][ T903] ___sys_sendmsg+0xee/0x170 [10086.713237][ T903] __sys_sendmsg+0xcd/0x170 [10086.713237][ T903] do_syscall_64+0xc6/0x1e0 [10086.713237][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10086.713237][ T903] [10086.715521][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10086.715521][ T903] netdev_get_by_index+0x5e/0x80 [10086.715521][ T903] fib6_nh_init+0x3d8/0x15b0 [10086.715521][ T903] ip6_route_info_create+0xf18/0x17d0 [10086.715521][ T903] addrconf_f6i_alloc+0x244/0x410 [10086.715521][ T903] ipv6_add_addr+0x411/0x2000 [10086.715521][ T903] inet6_addr_add+0x30e/0xa40 [10086.715521][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10086.715521][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.715521][ T903] netlink_rcv_skb+0x130/0x360 [10086.715521][ T903] netlink_unicast+0x449/0x710 [10086.715521][ T903] netlink_sendmsg+0x723/0xbe0 [10086.715521][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.715521][ T903] ___sys_sendmsg+0xee/0x170 [10086.715521][ T903] __sys_sendmsg+0xcd/0x170 [10086.715521][ T903] do_syscall_64+0xc6/0x1e0 [10086.715521][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10086.715521][ T903] [10086.717875][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10086.717875][ T903] netdev_get_by_index+0x5e/0x80 [10086.717875][ T903] fib6_nh_init+0x3d8/0x15b0 [10086.717875][ T903] ip6_route_info_create+0xf18/0x17d0 [10086.717875][ T903] ip6_route_add+0x1c/0x140 [10086.717875][ T903] addrconf_add_mroute+0x129/0x180 [10086.717875][ T903] addrconf_add_dev+0xe2/0x170 [10086.717875][ T903] inet6_addr_add+0x12f/0xa40 [10086.717875][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10086.717875][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.717875][ T903] netlink_rcv_skb+0x130/0x360 [10086.717875][ T903] netlink_unicast+0x449/0x710 [10086.717875][ T903] netlink_sendmsg+0x723/0xbe0 [10086.717875][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.717875][ T903] ___sys_sendmsg+0xee/0x170 [10086.717875][ T903] __sys_sendmsg+0xcd/0x170 [10086.717875][ T903] do_syscall_64+0xc6/0x1e0 [10086.717875][ T903] [10086.720602][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10086.720602][ T903] ipv6_add_dev+0x3ba/0x11c0 [10086.720602][ T903] ipv6_find_idev+0x102/0x170 [10086.720602][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10086.720602][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.720602][ T903] netlink_rcv_skb+0x130/0x360 [10086.720602][ T903] netlink_unicast+0x449/0x710 [10086.720602][ T903] netlink_sendmsg+0x723/0xbe0 [10086.720602][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.720602][ T903] ___sys_sendmsg+0xee/0x170 [10086.720602][ T903] __sys_sendmsg+0xcd/0x170 [10086.720602][ T903] do_syscall_64+0xc6/0x1e0 [10086.720602][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10086.720602][ T903] [10086.722457][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10086.722457][ T903] neigh_parms_alloc+0x1e5/0x510 [10086.722457][ T903] ipv6_add_dev+0x2fe/0x11c0 [10086.722457][ T903] ipv6_find_idev+0x102/0x170 [10086.722457][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10086.722457][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10086.722457][ T903] netlink_rcv_skb+0x130/0x360 [10086.722457][ T903] netlink_unicast+0x449/0x710 [10086.722457][ T903] netlink_sendmsg+0x723/0xbe0 [10086.722457][ T903] ____sys_sendmsg+0x7b2/0xa10 [10086.722457][ T903] ___sys_sendmsg+0xee/0x170 [10086.722457][ T903] __sys_sendmsg+0xcd/0x170 [10086.722457][ T903] do_syscall_64+0xc6/0x1e0 [10086.722457][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10086.722457][ T903] [10096.965873][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10096.966866][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10096.966866][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10096.966866][ T903] ip6_validate_gw+0x3eb/0x790 [10096.966866][ T903] fib6_nh_init+0xa5b/0x15b0 [10096.966866][ T903] ip6_route_info_create+0xf18/0x17d0 [10096.966866][ T903] ip6_route_add+0x1c/0x140 [10096.966866][ T903] inet6_rtm_newroute+0x104/0x110 [10096.966866][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.966866][ T903] netlink_rcv_skb+0x130/0x360 [10096.966866][ T903] netlink_unicast+0x449/0x710 [10096.966866][ T903] netlink_sendmsg+0x723/0xbe0 [10096.966866][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.966866][ T903] ___sys_sendmsg+0xee/0x170 [10096.966866][ T903] __sys_sendmsg+0xcd/0x170 [10096.966866][ T903] do_syscall_64+0xc6/0x1e0 [10096.966866][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.966866][ T903] [10096.969176][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10096.969176][ T903] netdev_get_by_index+0x5e/0x80 [10096.969176][ T903] fib6_nh_init+0x3d8/0x15b0 [10096.969176][ T903] ip6_route_info_create+0xf18/0x17d0 [10096.969176][ T903] ip6_route_add+0x1c/0x140 [10096.969176][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10096.969176][ T903] inet6_addr_add+0x4f8/0xa40 [10096.969176][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10096.969176][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.969176][ T903] netlink_rcv_skb+0x130/0x360 [10096.969176][ T903] netlink_unicast+0x449/0x710 [10096.969176][ T903] netlink_sendmsg+0x723/0xbe0 [10096.969176][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.969176][ T903] ___sys_sendmsg+0xee/0x170 [10096.969176][ T903] __sys_sendmsg+0xcd/0x170 [10096.969176][ T903] do_syscall_64+0xc6/0x1e0 [10096.969176][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.969176][ T903] [10096.971501][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10096.971501][ T903] netdev_get_by_index+0x5e/0x80 [10096.971501][ T903] fib6_nh_init+0x3d8/0x15b0 [10096.971501][ T903] ip6_route_info_create+0xf18/0x17d0 [10096.971501][ T903] addrconf_f6i_alloc+0x244/0x410 [10096.971501][ T903] ipv6_add_addr+0x411/0x2000 [10096.971501][ T903] inet6_addr_add+0x30e/0xa40 [10096.971501][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10096.971501][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.971501][ T903] netlink_rcv_skb+0x130/0x360 [10096.971501][ T903] netlink_unicast+0x449/0x710 [10096.971501][ T903] netlink_sendmsg+0x723/0xbe0 [10096.971501][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.971501][ T903] ___sys_sendmsg+0xee/0x170 [10096.971501][ T903] __sys_sendmsg+0xcd/0x170 [10096.971501][ T903] do_syscall_64+0xc6/0x1e0 [10096.971501][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.971501][ T903] [10096.973819][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10096.973819][ T903] netdev_get_by_index+0x5e/0x80 [10096.973819][ T903] fib6_nh_init+0x3d8/0x15b0 [10096.973819][ T903] ip6_route_info_create+0xf18/0x17d0 [10096.973819][ T903] ip6_route_add+0x1c/0x140 [10096.973819][ T903] addrconf_add_mroute+0x129/0x180 [10096.973819][ T903] addrconf_add_dev+0xe2/0x170 [10096.973819][ T903] inet6_addr_add+0x12f/0xa40 [10096.973819][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10096.973819][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.973819][ T903] netlink_rcv_skb+0x130/0x360 [10096.973819][ T903] netlink_unicast+0x449/0x710 [10096.973819][ T903] netlink_sendmsg+0x723/0xbe0 [10096.973819][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.973819][ T903] ___sys_sendmsg+0xee/0x170 [10096.973819][ T903] __sys_sendmsg+0xcd/0x170 [10096.973819][ T903] do_syscall_64+0xc6/0x1e0 [10096.973819][ T903] [10096.976175][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10096.976175][ T903] ipv6_add_dev+0x3ba/0x11c0 [10096.976175][ T903] ipv6_find_idev+0x102/0x170 [10096.976175][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10096.976175][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.976175][ T903] netlink_rcv_skb+0x130/0x360 [10096.976175][ T903] netlink_unicast+0x449/0x710 [10096.976175][ T903] netlink_sendmsg+0x723/0xbe0 [10096.976175][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.976175][ T903] ___sys_sendmsg+0xee/0x170 [10096.976175][ T903] __sys_sendmsg+0xcd/0x170 [10096.976175][ T903] do_syscall_64+0xc6/0x1e0 [10096.976175][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.976175][ T903] [10096.977942][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10096.977942][ T903] neigh_parms_alloc+0x1e5/0x510 [10096.977942][ T903] ipv6_add_dev+0x2fe/0x11c0 [10096.977942][ T903] ipv6_find_idev+0x102/0x170 [10096.977942][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10096.977942][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.977942][ T903] netlink_rcv_skb+0x130/0x360 [10096.977942][ T903] netlink_unicast+0x449/0x710 [10096.977942][ T903] netlink_sendmsg+0x723/0xbe0 [10096.977942][ T903] ____sys_sendmsg+0x7b2/0xa10 [10096.977942][ T903] ___sys_sendmsg+0xee/0x170 [10096.977942][ T903] __sys_sendmsg+0xcd/0x170 [10096.977942][ T903] do_syscall_64+0xc6/0x1e0 [10096.977942][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.977942][ T903] [10107.221895][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10107.222462][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10107.222462][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10107.222462][ T903] ip6_validate_gw+0x3eb/0x790 [10107.222462][ T903] fib6_nh_init+0xa5b/0x15b0 [10107.222462][ T903] ip6_route_info_create+0xf18/0x17d0 [10107.222462][ T903] ip6_route_add+0x1c/0x140 [10107.222462][ T903] inet6_rtm_newroute+0x104/0x110 [10107.222462][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.222462][ T903] netlink_rcv_skb+0x130/0x360 [10107.222462][ T903] netlink_unicast+0x449/0x710 [10107.222462][ T903] netlink_sendmsg+0x723/0xbe0 [10107.222462][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.222462][ T903] ___sys_sendmsg+0xee/0x170 [10107.222462][ T903] __sys_sendmsg+0xcd/0x170 [10107.222462][ T903] do_syscall_64+0xc6/0x1e0 [10107.222462][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10107.222462][ T903] [10107.224731][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10107.224731][ T903] netdev_get_by_index+0x5e/0x80 [10107.224731][ T903] fib6_nh_init+0x3d8/0x15b0 [10107.224731][ T903] ip6_route_info_create+0xf18/0x17d0 [10107.224731][ T903] ip6_route_add+0x1c/0x140 [10107.224731][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10107.224731][ T903] inet6_addr_add+0x4f8/0xa40 [10107.224731][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10107.224731][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.224731][ T903] netlink_rcv_skb+0x130/0x360 [10107.224731][ T903] netlink_unicast+0x449/0x710 [10107.224731][ T903] netlink_sendmsg+0x723/0xbe0 [10107.224731][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.224731][ T903] ___sys_sendmsg+0xee/0x170 [10107.224731][ T903] __sys_sendmsg+0xcd/0x170 [10107.224731][ T903] do_syscall_64+0xc6/0x1e0 [10107.224731][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10107.224731][ T903] [10107.227170][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10107.227170][ T903] netdev_get_by_index+0x5e/0x80 [10107.227170][ T903] fib6_nh_init+0x3d8/0x15b0 [10107.227170][ T903] ip6_route_info_create+0xf18/0x17d0 [10107.227170][ T903] addrconf_f6i_alloc+0x244/0x410 [10107.227170][ T903] ipv6_add_addr+0x411/0x2000 [10107.227170][ T903] inet6_addr_add+0x30e/0xa40 [10107.227170][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10107.227170][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.227170][ T903] netlink_rcv_skb+0x130/0x360 [10107.227170][ T903] netlink_unicast+0x449/0x710 [10107.227170][ T903] netlink_sendmsg+0x723/0xbe0 [10107.227170][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.227170][ T903] ___sys_sendmsg+0xee/0x170 [10107.227170][ T903] __sys_sendmsg+0xcd/0x170 [10107.227170][ T903] do_syscall_64+0xc6/0x1e0 [10107.227170][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10107.227170][ T903] [10107.229550][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10107.229550][ T903] netdev_get_by_index+0x5e/0x80 [10107.229550][ T903] fib6_nh_init+0x3d8/0x15b0 [10107.229550][ T903] ip6_route_info_create+0xf18/0x17d0 [10107.229550][ T903] ip6_route_add+0x1c/0x140 [10107.229550][ T903] addrconf_add_mroute+0x129/0x180 [10107.229550][ T903] addrconf_add_dev+0xe2/0x170 [10107.229550][ T903] inet6_addr_add+0x12f/0xa40 [10107.229550][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10107.229550][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.229550][ T903] netlink_rcv_skb+0x130/0x360 [10107.229550][ T903] netlink_unicast+0x449/0x710 [10107.229550][ T903] netlink_sendmsg+0x723/0xbe0 [10107.229550][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.229550][ T903] ___sys_sendmsg+0xee/0x170 [10107.229550][ T903] __sys_sendmsg+0xcd/0x170 [10107.229550][ T903] do_syscall_64+0xc6/0x1e0 [10107.229550][ T903] [10107.231899][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10107.231899][ T903] ipv6_add_dev+0x3ba/0x11c0 [10107.231899][ T903] ipv6_find_idev+0x102/0x170 [10107.231899][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10107.231899][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.231899][ T903] netlink_rcv_skb+0x130/0x360 [10107.231899][ T903] netlink_unicast+0x449/0x710 [10107.231899][ T903] netlink_sendmsg+0x723/0xbe0 [10107.231899][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.231899][ T903] ___sys_sendmsg+0xee/0x170 [10107.231899][ T903] __sys_sendmsg+0xcd/0x170 [10107.231899][ T903] do_syscall_64+0xc6/0x1e0 [10107.231899][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10107.231899][ T903] [10107.233745][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10107.233745][ T903] neigh_parms_alloc+0x1e5/0x510 [10107.233745][ T903] ipv6_add_dev+0x2fe/0x11c0 [10107.233745][ T903] ipv6_find_idev+0x102/0x170 [10107.233745][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10107.233745][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10107.233745][ T903] netlink_rcv_skb+0x130/0x360 [10107.233745][ T903] netlink_unicast+0x449/0x710 [10107.233745][ T903] netlink_sendmsg+0x723/0xbe0 [10107.233745][ T903] ____sys_sendmsg+0x7b2/0xa10 [10107.233745][ T903] ___sys_sendmsg+0xee/0x170 [10107.233745][ T903] __sys_sendmsg+0xcd/0x170 [10107.233745][ T903] do_syscall_64+0xc6/0x1e0 [10107.233745][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10107.233745][ T903] [10117.477870][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10117.478421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10117.478421][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10117.478421][ T903] ip6_validate_gw+0x3eb/0x790 [10117.478421][ T903] fib6_nh_init+0xa5b/0x15b0 [10117.478421][ T903] ip6_route_info_create+0xf18/0x17d0 [10117.478421][ T903] ip6_route_add+0x1c/0x140 [10117.478421][ T903] inet6_rtm_newroute+0x104/0x110 [10117.478421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.478421][ T903] netlink_rcv_skb+0x130/0x360 [10117.478421][ T903] netlink_unicast+0x449/0x710 [10117.478421][ T903] netlink_sendmsg+0x723/0xbe0 [10117.478421][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.478421][ T903] ___sys_sendmsg+0xee/0x170 [10117.478421][ T903] __sys_sendmsg+0xcd/0x170 [10117.478421][ T903] do_syscall_64+0xc6/0x1e0 [10117.478421][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10117.478421][ T903] [10117.480740][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10117.480740][ T903] netdev_get_by_index+0x5e/0x80 [10117.480740][ T903] fib6_nh_init+0x3d8/0x15b0 [10117.480740][ T903] ip6_route_info_create+0xf18/0x17d0 [10117.480740][ T903] ip6_route_add+0x1c/0x140 [10117.480740][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10117.480740][ T903] inet6_addr_add+0x4f8/0xa40 [10117.480740][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10117.480740][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.480740][ T903] netlink_rcv_skb+0x130/0x360 [10117.480740][ T903] netlink_unicast+0x449/0x710 [10117.480740][ T903] netlink_sendmsg+0x723/0xbe0 [10117.480740][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.480740][ T903] ___sys_sendmsg+0xee/0x170 [10117.480740][ T903] __sys_sendmsg+0xcd/0x170 [10117.480740][ T903] do_syscall_64+0xc6/0x1e0 [10117.480740][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10117.480740][ T903] [10117.483113][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10117.483113][ T903] netdev_get_by_index+0x5e/0x80 [10117.483113][ T903] fib6_nh_init+0x3d8/0x15b0 [10117.483113][ T903] ip6_route_info_create+0xf18/0x17d0 [10117.483113][ T903] addrconf_f6i_alloc+0x244/0x410 [10117.483113][ T903] ipv6_add_addr+0x411/0x2000 [10117.483113][ T903] inet6_addr_add+0x30e/0xa40 [10117.483113][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10117.483113][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.483113][ T903] netlink_rcv_skb+0x130/0x360 [10117.483113][ T903] netlink_unicast+0x449/0x710 [10117.483113][ T903] netlink_sendmsg+0x723/0xbe0 [10117.483113][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.483113][ T903] ___sys_sendmsg+0xee/0x170 [10117.483113][ T903] __sys_sendmsg+0xcd/0x170 [10117.483113][ T903] do_syscall_64+0xc6/0x1e0 [10117.483113][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10117.483113][ T903] [10117.485599][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10117.485599][ T903] netdev_get_by_index+0x5e/0x80 [10117.485599][ T903] fib6_nh_init+0x3d8/0x15b0 [10117.485599][ T903] ip6_route_info_create+0xf18/0x17d0 [10117.485599][ T903] ip6_route_add+0x1c/0x140 [10117.485599][ T903] addrconf_add_mroute+0x129/0x180 [10117.485599][ T903] addrconf_add_dev+0xe2/0x170 [10117.485599][ T903] inet6_addr_add+0x12f/0xa40 [10117.485599][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10117.485599][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.485599][ T903] netlink_rcv_skb+0x130/0x360 [10117.485599][ T903] netlink_unicast+0x449/0x710 [10117.485599][ T903] netlink_sendmsg+0x723/0xbe0 [10117.485599][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.485599][ T903] ___sys_sendmsg+0xee/0x170 [10117.485599][ T903] __sys_sendmsg+0xcd/0x170 [10117.485599][ T903] do_syscall_64+0xc6/0x1e0 [10117.485599][ T903] [10117.487962][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10117.487962][ T903] ipv6_add_dev+0x3ba/0x11c0 [10117.487962][ T903] ipv6_find_idev+0x102/0x170 [10117.487962][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10117.487962][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.487962][ T903] netlink_rcv_skb+0x130/0x360 [10117.487962][ T903] netlink_unicast+0x449/0x710 [10117.487962][ T903] netlink_sendmsg+0x723/0xbe0 [10117.487962][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.487962][ T903] ___sys_sendmsg+0xee/0x170 [10117.487962][ T903] __sys_sendmsg+0xcd/0x170 [10117.487962][ T903] do_syscall_64+0xc6/0x1e0 [10117.487962][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10117.487962][ T903] [10117.490241][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10117.490241][ T903] neigh_parms_alloc+0x1e5/0x510 [10117.490241][ T903] ipv6_add_dev+0x2fe/0x11c0 [10117.490241][ T903] ipv6_find_idev+0x102/0x170 [10117.490241][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10117.490241][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10117.490241][ T903] netlink_rcv_skb+0x130/0x360 [10117.490241][ T903] netlink_unicast+0x449/0x710 [10117.490241][ T903] netlink_sendmsg+0x723/0xbe0 [10117.490241][ T903] ____sys_sendmsg+0x7b2/0xa10 [10117.490241][ T903] ___sys_sendmsg+0xee/0x170 [10117.490241][ T903] __sys_sendmsg+0xcd/0x170 [10117.490241][ T903] do_syscall_64+0xc6/0x1e0 [10117.490241][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10117.490241][ T903] [10127.733899][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10127.734954][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10127.734954][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10127.734954][ T903] ip6_validate_gw+0x3eb/0x790 [10127.734954][ T903] fib6_nh_init+0xa5b/0x15b0 [10127.734954][ T903] ip6_route_info_create+0xf18/0x17d0 [10127.734954][ T903] ip6_route_add+0x1c/0x140 [10127.734954][ T903] inet6_rtm_newroute+0x104/0x110 [10127.734954][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.734954][ T903] netlink_rcv_skb+0x130/0x360 [10127.734954][ T903] netlink_unicast+0x449/0x710 [10127.734954][ T903] netlink_sendmsg+0x723/0xbe0 [10127.734954][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.734954][ T903] ___sys_sendmsg+0xee/0x170 [10127.734954][ T903] __sys_sendmsg+0xcd/0x170 [10127.734954][ T903] do_syscall_64+0xc6/0x1e0 [10127.734954][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10127.734954][ T903] [10127.737366][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10127.737366][ T903] netdev_get_by_index+0x5e/0x80 [10127.737366][ T903] fib6_nh_init+0x3d8/0x15b0 [10127.737366][ T903] ip6_route_info_create+0xf18/0x17d0 [10127.737366][ T903] ip6_route_add+0x1c/0x140 [10127.737366][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10127.737366][ T903] inet6_addr_add+0x4f8/0xa40 [10127.737366][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10127.737366][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.737366][ T903] netlink_rcv_skb+0x130/0x360 [10127.737366][ T903] netlink_unicast+0x449/0x710 [10127.737366][ T903] netlink_sendmsg+0x723/0xbe0 [10127.737366][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.737366][ T903] ___sys_sendmsg+0xee/0x170 [10127.737366][ T903] __sys_sendmsg+0xcd/0x170 [10127.737366][ T903] do_syscall_64+0xc6/0x1e0 [10127.737366][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10127.737366][ T903] [10127.739757][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10127.739757][ T903] netdev_get_by_index+0x5e/0x80 [10127.739757][ T903] fib6_nh_init+0x3d8/0x15b0 [10127.739757][ T903] ip6_route_info_create+0xf18/0x17d0 [10127.739757][ T903] addrconf_f6i_alloc+0x244/0x410 [10127.739757][ T903] ipv6_add_addr+0x411/0x2000 [10127.739757][ T903] inet6_addr_add+0x30e/0xa40 [10127.739757][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10127.739757][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.739757][ T903] netlink_rcv_skb+0x130/0x360 [10127.739757][ T903] netlink_unicast+0x449/0x710 [10127.739757][ T903] netlink_sendmsg+0x723/0xbe0 [10127.739757][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.739757][ T903] ___sys_sendmsg+0xee/0x170 [10127.739757][ T903] __sys_sendmsg+0xcd/0x170 [10127.739757][ T903] do_syscall_64+0xc6/0x1e0 [10127.739757][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10127.739757][ T903] [10127.742086][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10127.742086][ T903] netdev_get_by_index+0x5e/0x80 [10127.742086][ T903] fib6_nh_init+0x3d8/0x15b0 [10127.742086][ T903] ip6_route_info_create+0xf18/0x17d0 [10127.742086][ T903] ip6_route_add+0x1c/0x140 [10127.742086][ T903] addrconf_add_mroute+0x129/0x180 [10127.742086][ T903] addrconf_add_dev+0xe2/0x170 [10127.742086][ T903] inet6_addr_add+0x12f/0xa40 [10127.742086][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10127.742086][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.742086][ T903] netlink_rcv_skb+0x130/0x360 [10127.742086][ T903] netlink_unicast+0x449/0x710 [10127.742086][ T903] netlink_sendmsg+0x723/0xbe0 [10127.742086][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.742086][ T903] ___sys_sendmsg+0xee/0x170 [10127.742086][ T903] __sys_sendmsg+0xcd/0x170 [10127.742086][ T903] do_syscall_64+0xc6/0x1e0 [10127.742086][ T903] [10127.744390][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10127.744390][ T903] ipv6_add_dev+0x3ba/0x11c0 [10127.744390][ T903] ipv6_find_idev+0x102/0x170 [10127.744390][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10127.744390][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.744390][ T903] netlink_rcv_skb+0x130/0x360 [10127.744390][ T903] netlink_unicast+0x449/0x710 [10127.744390][ T903] netlink_sendmsg+0x723/0xbe0 [10127.744390][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.744390][ T903] ___sys_sendmsg+0xee/0x170 [10127.744390][ T903] __sys_sendmsg+0xcd/0x170 [10127.744390][ T903] do_syscall_64+0xc6/0x1e0 [10127.744390][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10127.744390][ T903] [10127.746219][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10127.746219][ T903] neigh_parms_alloc+0x1e5/0x510 [10127.746219][ T903] ipv6_add_dev+0x2fe/0x11c0 [10127.746219][ T903] ipv6_find_idev+0x102/0x170 [10127.746219][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10127.746219][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10127.746219][ T903] netlink_rcv_skb+0x130/0x360 [10127.746219][ T903] netlink_unicast+0x449/0x710 [10127.746219][ T903] netlink_sendmsg+0x723/0xbe0 [10127.746219][ T903] ____sys_sendmsg+0x7b2/0xa10 [10127.746219][ T903] ___sys_sendmsg+0xee/0x170 [10127.746219][ T903] __sys_sendmsg+0xcd/0x170 [10127.746219][ T903] do_syscall_64+0xc6/0x1e0 [10127.746219][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10127.746219][ T903] [10137.989945][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10137.990516][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10137.990516][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10137.990516][ T903] ip6_validate_gw+0x3eb/0x790 [10137.990516][ T903] fib6_nh_init+0xa5b/0x15b0 [10137.990516][ T903] ip6_route_info_create+0xf18/0x17d0 [10137.990516][ T903] ip6_route_add+0x1c/0x140 [10137.990516][ T903] inet6_rtm_newroute+0x104/0x110 [10137.990516][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10137.990516][ T903] netlink_rcv_skb+0x130/0x360 [10137.990516][ T903] netlink_unicast+0x449/0x710 [10137.990516][ T903] netlink_sendmsg+0x723/0xbe0 [10137.990516][ T903] ____sys_sendmsg+0x7b2/0xa10 [10137.990516][ T903] ___sys_sendmsg+0xee/0x170 [10137.990516][ T903] __sys_sendmsg+0xcd/0x170 [10137.990516][ T903] do_syscall_64+0xc6/0x1e0 [10137.990516][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10137.990516][ T903] [10137.992791][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10137.992791][ T903] netdev_get_by_index+0x5e/0x80 [10137.992791][ T903] fib6_nh_init+0x3d8/0x15b0 [10137.992791][ T903] ip6_route_info_create+0xf18/0x17d0 [10137.992791][ T903] ip6_route_add+0x1c/0x140 [10137.992791][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10137.992791][ T903] inet6_addr_add+0x4f8/0xa40 [10137.992791][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10137.992791][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10137.992791][ T903] netlink_rcv_skb+0x130/0x360 [10137.992791][ T903] netlink_unicast+0x449/0x710 [10137.992791][ T903] netlink_sendmsg+0x723/0xbe0 [10137.992791][ T903] ____sys_sendmsg+0x7b2/0xa10 [10137.992791][ T903] ___sys_sendmsg+0xee/0x170 [10137.992791][ T903] __sys_sendmsg+0xcd/0x170 [10137.992791][ T903] do_syscall_64+0xc6/0x1e0 [10137.992791][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10137.992791][ T903] [10137.995111][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10137.995111][ T903] netdev_get_by_index+0x5e/0x80 [10137.995111][ T903] fib6_nh_init+0x3d8/0x15b0 [10137.995111][ T903] ip6_route_info_create+0xf18/0x17d0 [10137.995111][ T903] addrconf_f6i_alloc+0x244/0x410 [10137.995111][ T903] ipv6_add_addr+0x411/0x2000 [10137.995111][ T903] inet6_addr_add+0x30e/0xa40 [10137.995111][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10137.995111][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10137.995111][ T903] netlink_rcv_skb+0x130/0x360 [10137.995111][ T903] netlink_unicast+0x449/0x710 [10137.995111][ T903] netlink_sendmsg+0x723/0xbe0 [10137.995111][ T903] ____sys_sendmsg+0x7b2/0xa10 [10137.995111][ T903] ___sys_sendmsg+0xee/0x170 [10137.995111][ T903] __sys_sendmsg+0xcd/0x170 [10137.995111][ T903] do_syscall_64+0xc6/0x1e0 [10137.995111][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10137.995111][ T903] [10137.997421][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10137.997421][ T903] netdev_get_by_index+0x5e/0x80 [10137.997421][ T903] fib6_nh_init+0x3d8/0x15b0 [10137.997421][ T903] ip6_route_info_create+0xf18/0x17d0 [10137.997421][ T903] ip6_route_add+0x1c/0x140 [10137.997421][ T903] addrconf_add_mroute+0x129/0x180 [10137.997421][ T903] addrconf_add_dev+0xe2/0x170 [10137.997421][ T903] inet6_addr_add+0x12f/0xa40 [10137.997421][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10137.997421][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10137.997421][ T903] netlink_rcv_skb+0x130/0x360 [10137.997421][ T903] netlink_unicast+0x449/0x710 [10137.997421][ T903] netlink_sendmsg+0x723/0xbe0 [10137.997421][ T903] ____sys_sendmsg+0x7b2/0xa10 [10137.997421][ T903] ___sys_sendmsg+0xee/0x170 [10137.997421][ T903] __sys_sendmsg+0xcd/0x170 [10137.997421][ T903] do_syscall_64+0xc6/0x1e0 [10137.997421][ T903] [10137.999697][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10137.999697][ T903] ipv6_add_dev+0x3ba/0x11c0 [10137.999697][ T903] ipv6_find_idev+0x102/0x170 [10137.999697][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10137.999697][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10137.999697][ T903] netlink_rcv_skb+0x130/0x360 [10137.999697][ T903] netlink_unicast+0x449/0x710 [10137.999697][ T903] netlink_sendmsg+0x723/0xbe0 [10137.999697][ T903] ____sys_sendmsg+0x7b2/0xa10 [10137.999697][ T903] ___sys_sendmsg+0xee/0x170 [10137.999697][ T903] __sys_sendmsg+0xcd/0x170 [10137.999697][ T903] do_syscall_64+0xc6/0x1e0 [10137.999697][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10137.999697][ T903] [10138.001486][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10138.001486][ T903] neigh_parms_alloc+0x1e5/0x510 [10138.001486][ T903] ipv6_add_dev+0x2fe/0x11c0 [10138.001486][ T903] ipv6_find_idev+0x102/0x170 [10138.001486][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10138.001486][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10138.001486][ T903] netlink_rcv_skb+0x130/0x360 [10138.001486][ T903] netlink_unicast+0x449/0x710 [10138.001486][ T903] netlink_sendmsg+0x723/0xbe0 [10138.001486][ T903] ____sys_sendmsg+0x7b2/0xa10 [10138.001486][ T903] ___sys_sendmsg+0xee/0x170 [10138.001486][ T903] __sys_sendmsg+0xcd/0x170 [10138.001486][ T903] do_syscall_64+0xc6/0x1e0 [10138.001486][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10138.001486][ T903] [10148.245884][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10148.246388][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10148.246388][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10148.246388][ T903] ip6_validate_gw+0x3eb/0x790 [10148.246388][ T903] fib6_nh_init+0xa5b/0x15b0 [10148.246388][ T903] ip6_route_info_create+0xf18/0x17d0 [10148.246388][ T903] ip6_route_add+0x1c/0x140 [10148.246388][ T903] inet6_rtm_newroute+0x104/0x110 [10148.246388][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.246388][ T903] netlink_rcv_skb+0x130/0x360 [10148.246388][ T903] netlink_unicast+0x449/0x710 [10148.246388][ T903] netlink_sendmsg+0x723/0xbe0 [10148.246388][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.246388][ T903] ___sys_sendmsg+0xee/0x170 [10148.246388][ T903] __sys_sendmsg+0xcd/0x170 [10148.246388][ T903] do_syscall_64+0xc6/0x1e0 [10148.246388][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10148.246388][ T903] [10148.248680][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10148.248680][ T903] netdev_get_by_index+0x5e/0x80 [10148.248680][ T903] fib6_nh_init+0x3d8/0x15b0 [10148.248680][ T903] ip6_route_info_create+0xf18/0x17d0 [10148.248680][ T903] ip6_route_add+0x1c/0x140 [10148.248680][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10148.248680][ T903] inet6_addr_add+0x4f8/0xa40 [10148.248680][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10148.248680][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.248680][ T903] netlink_rcv_skb+0x130/0x360 [10148.248680][ T903] netlink_unicast+0x449/0x710 [10148.248680][ T903] netlink_sendmsg+0x723/0xbe0 [10148.248680][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.248680][ T903] ___sys_sendmsg+0xee/0x170 [10148.248680][ T903] __sys_sendmsg+0xcd/0x170 [10148.248680][ T903] do_syscall_64+0xc6/0x1e0 [10148.248680][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10148.248680][ T903] [10148.250941][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10148.250941][ T903] netdev_get_by_index+0x5e/0x80 [10148.250941][ T903] fib6_nh_init+0x3d8/0x15b0 [10148.250941][ T903] ip6_route_info_create+0xf18/0x17d0 [10148.250941][ T903] addrconf_f6i_alloc+0x244/0x410 [10148.250941][ T903] ipv6_add_addr+0x411/0x2000 [10148.250941][ T903] inet6_addr_add+0x30e/0xa40 [10148.250941][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10148.250941][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.250941][ T903] netlink_rcv_skb+0x130/0x360 [10148.250941][ T903] netlink_unicast+0x449/0x710 [10148.250941][ T903] netlink_sendmsg+0x723/0xbe0 [10148.250941][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.250941][ T903] ___sys_sendmsg+0xee/0x170 [10148.250941][ T903] __sys_sendmsg+0xcd/0x170 [10148.250941][ T903] do_syscall_64+0xc6/0x1e0 [10148.250941][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10148.250941][ T903] [10148.253220][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10148.253220][ T903] netdev_get_by_index+0x5e/0x80 [10148.253220][ T903] fib6_nh_init+0x3d8/0x15b0 [10148.253220][ T903] ip6_route_info_create+0xf18/0x17d0 [10148.253220][ T903] ip6_route_add+0x1c/0x140 [10148.253220][ T903] addrconf_add_mroute+0x129/0x180 [10148.253220][ T903] addrconf_add_dev+0xe2/0x170 [10148.253220][ T903] inet6_addr_add+0x12f/0xa40 [10148.253220][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10148.253220][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.253220][ T903] netlink_rcv_skb+0x130/0x360 [10148.253220][ T903] netlink_unicast+0x449/0x710 [10148.253220][ T903] netlink_sendmsg+0x723/0xbe0 [10148.253220][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.253220][ T903] ___sys_sendmsg+0xee/0x170 [10148.253220][ T903] __sys_sendmsg+0xcd/0x170 [10148.253220][ T903] do_syscall_64+0xc6/0x1e0 [10148.253220][ T903] [10148.255500][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10148.255500][ T903] ipv6_add_dev+0x3ba/0x11c0 [10148.255500][ T903] ipv6_find_idev+0x102/0x170 [10148.255500][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10148.255500][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.255500][ T903] netlink_rcv_skb+0x130/0x360 [10148.255500][ T903] netlink_unicast+0x449/0x710 [10148.255500][ T903] netlink_sendmsg+0x723/0xbe0 [10148.255500][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.255500][ T903] ___sys_sendmsg+0xee/0x170 [10148.255500][ T903] __sys_sendmsg+0xcd/0x170 [10148.255500][ T903] do_syscall_64+0xc6/0x1e0 [10148.255500][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10148.255500][ T903] [10148.257308][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10148.257308][ T903] neigh_parms_alloc+0x1e5/0x510 [10148.257308][ T903] ipv6_add_dev+0x2fe/0x11c0 [10148.257308][ T903] ipv6_find_idev+0x102/0x170 [10148.257308][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10148.257308][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10148.257308][ T903] netlink_rcv_skb+0x130/0x360 [10148.257308][ T903] netlink_unicast+0x449/0x710 [10148.257308][ T903] netlink_sendmsg+0x723/0xbe0 [10148.257308][ T903] ____sys_sendmsg+0x7b2/0xa10 [10148.257308][ T903] ___sys_sendmsg+0xee/0x170 [10148.257308][ T903] __sys_sendmsg+0xcd/0x170 [10148.257308][ T903] do_syscall_64+0xc6/0x1e0 [10148.257308][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10148.257308][ T903] [10158.501865][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10158.502449][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10158.502449][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10158.502449][ T903] ip6_validate_gw+0x3eb/0x790 [10158.502449][ T903] fib6_nh_init+0xa5b/0x15b0 [10158.502449][ T903] ip6_route_info_create+0xf18/0x17d0 [10158.502449][ T903] ip6_route_add+0x1c/0x140 [10158.502449][ T903] inet6_rtm_newroute+0x104/0x110 [10158.502449][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.502449][ T903] netlink_rcv_skb+0x130/0x360 [10158.502449][ T903] netlink_unicast+0x449/0x710 [10158.502449][ T903] netlink_sendmsg+0x723/0xbe0 [10158.502449][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.502449][ T903] ___sys_sendmsg+0xee/0x170 [10158.502449][ T903] __sys_sendmsg+0xcd/0x170 [10158.502449][ T903] do_syscall_64+0xc6/0x1e0 [10158.502449][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10158.502449][ T903] [10158.504719][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10158.504719][ T903] netdev_get_by_index+0x5e/0x80 [10158.504719][ T903] fib6_nh_init+0x3d8/0x15b0 [10158.504719][ T903] ip6_route_info_create+0xf18/0x17d0 [10158.504719][ T903] ip6_route_add+0x1c/0x140 [10158.504719][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10158.504719][ T903] inet6_addr_add+0x4f8/0xa40 [10158.504719][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10158.504719][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.504719][ T903] netlink_rcv_skb+0x130/0x360 [10158.504719][ T903] netlink_unicast+0x449/0x710 [10158.504719][ T903] netlink_sendmsg+0x723/0xbe0 [10158.504719][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.504719][ T903] ___sys_sendmsg+0xee/0x170 [10158.504719][ T903] __sys_sendmsg+0xcd/0x170 [10158.504719][ T903] do_syscall_64+0xc6/0x1e0 [10158.504719][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10158.504719][ T903] [10158.507154][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10158.507154][ T903] netdev_get_by_index+0x5e/0x80 [10158.507154][ T903] fib6_nh_init+0x3d8/0x15b0 [10158.507154][ T903] ip6_route_info_create+0xf18/0x17d0 [10158.507154][ T903] addrconf_f6i_alloc+0x244/0x410 [10158.507154][ T903] ipv6_add_addr+0x411/0x2000 [10158.507154][ T903] inet6_addr_add+0x30e/0xa40 [10158.507154][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10158.507154][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.507154][ T903] netlink_rcv_skb+0x130/0x360 [10158.507154][ T903] netlink_unicast+0x449/0x710 [10158.507154][ T903] netlink_sendmsg+0x723/0xbe0 [10158.507154][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.507154][ T903] ___sys_sendmsg+0xee/0x170 [10158.507154][ T903] __sys_sendmsg+0xcd/0x170 [10158.507154][ T903] do_syscall_64+0xc6/0x1e0 [10158.507154][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10158.507154][ T903] [10158.509508][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10158.509508][ T903] netdev_get_by_index+0x5e/0x80 [10158.509508][ T903] fib6_nh_init+0x3d8/0x15b0 [10158.509508][ T903] ip6_route_info_create+0xf18/0x17d0 [10158.509508][ T903] ip6_route_add+0x1c/0x140 [10158.509508][ T903] addrconf_add_mroute+0x129/0x180 [10158.509508][ T903] addrconf_add_dev+0xe2/0x170 [10158.509508][ T903] inet6_addr_add+0x12f/0xa40 [10158.509508][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10158.509508][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.509508][ T903] netlink_rcv_skb+0x130/0x360 [10158.509508][ T903] netlink_unicast+0x449/0x710 [10158.509508][ T903] netlink_sendmsg+0x723/0xbe0 [10158.509508][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.509508][ T903] ___sys_sendmsg+0xee/0x170 [10158.509508][ T903] __sys_sendmsg+0xcd/0x170 [10158.509508][ T903] do_syscall_64+0xc6/0x1e0 [10158.509508][ T903] [10158.511811][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10158.511811][ T903] ipv6_add_dev+0x3ba/0x11c0 [10158.511811][ T903] ipv6_find_idev+0x102/0x170 [10158.511811][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10158.511811][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.511811][ T903] netlink_rcv_skb+0x130/0x360 [10158.511811][ T903] netlink_unicast+0x449/0x710 [10158.511811][ T903] netlink_sendmsg+0x723/0xbe0 [10158.511811][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.511811][ T903] ___sys_sendmsg+0xee/0x170 [10158.511811][ T903] __sys_sendmsg+0xcd/0x170 [10158.511811][ T903] do_syscall_64+0xc6/0x1e0 [10158.511811][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10158.511811][ T903] [10158.513674][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10158.513674][ T903] neigh_parms_alloc+0x1e5/0x510 [10158.513674][ T903] ipv6_add_dev+0x2fe/0x11c0 [10158.513674][ T903] ipv6_find_idev+0x102/0x170 [10158.513674][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10158.513674][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10158.513674][ T903] netlink_rcv_skb+0x130/0x360 [10158.513674][ T903] netlink_unicast+0x449/0x710 [10158.513674][ T903] netlink_sendmsg+0x723/0xbe0 [10158.513674][ T903] ____sys_sendmsg+0x7b2/0xa10 [10158.513674][ T903] ___sys_sendmsg+0xee/0x170 [10158.513674][ T903] __sys_sendmsg+0xcd/0x170 [10158.513674][ T903] do_syscall_64+0xc6/0x1e0 [10158.513674][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10158.513674][ T903] [10168.749879][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10168.750409][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10168.750409][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10168.750409][ T903] ip6_validate_gw+0x3eb/0x790 [10168.750409][ T903] fib6_nh_init+0xa5b/0x15b0 [10168.750409][ T903] ip6_route_info_create+0xf18/0x17d0 [10168.750409][ T903] ip6_route_add+0x1c/0x140 [10168.750409][ T903] inet6_rtm_newroute+0x104/0x110 [10168.750409][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.750409][ T903] netlink_rcv_skb+0x130/0x360 [10168.750409][ T903] netlink_unicast+0x449/0x710 [10168.750409][ T903] netlink_sendmsg+0x723/0xbe0 [10168.750409][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.750409][ T903] ___sys_sendmsg+0xee/0x170 [10168.750409][ T903] __sys_sendmsg+0xcd/0x170 [10168.750409][ T903] do_syscall_64+0xc6/0x1e0 [10168.750409][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10168.750409][ T903] [10168.752612][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10168.752612][ T903] netdev_get_by_index+0x5e/0x80 [10168.752612][ T903] fib6_nh_init+0x3d8/0x15b0 [10168.752612][ T903] ip6_route_info_create+0xf18/0x17d0 [10168.752612][ T903] ip6_route_add+0x1c/0x140 [10168.752612][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10168.752612][ T903] inet6_addr_add+0x4f8/0xa40 [10168.752612][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10168.752612][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.752612][ T903] netlink_rcv_skb+0x130/0x360 [10168.752612][ T903] netlink_unicast+0x449/0x710 [10168.752612][ T903] netlink_sendmsg+0x723/0xbe0 [10168.752612][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.752612][ T903] ___sys_sendmsg+0xee/0x170 [10168.752612][ T903] __sys_sendmsg+0xcd/0x170 [10168.752612][ T903] do_syscall_64+0xc6/0x1e0 [10168.752612][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10168.752612][ T903] [10168.754944][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10168.754944][ T903] netdev_get_by_index+0x5e/0x80 [10168.754944][ T903] fib6_nh_init+0x3d8/0x15b0 [10168.754944][ T903] ip6_route_info_create+0xf18/0x17d0 [10168.754944][ T903] addrconf_f6i_alloc+0x244/0x410 [10168.754944][ T903] ipv6_add_addr+0x411/0x2000 [10168.754944][ T903] inet6_addr_add+0x30e/0xa40 [10168.754944][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10168.754944][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.754944][ T903] netlink_rcv_skb+0x130/0x360 [10168.754944][ T903] netlink_unicast+0x449/0x710 [10168.754944][ T903] netlink_sendmsg+0x723/0xbe0 [10168.754944][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.754944][ T903] ___sys_sendmsg+0xee/0x170 [10168.754944][ T903] __sys_sendmsg+0xcd/0x170 [10168.754944][ T903] do_syscall_64+0xc6/0x1e0 [10168.754944][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10168.754944][ T903] [10168.757338][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10168.757338][ T903] netdev_get_by_index+0x5e/0x80 [10168.757338][ T903] fib6_nh_init+0x3d8/0x15b0 [10168.757338][ T903] ip6_route_info_create+0xf18/0x17d0 [10168.757338][ T903] ip6_route_add+0x1c/0x140 [10168.757338][ T903] addrconf_add_mroute+0x129/0x180 [10168.757338][ T903] addrconf_add_dev+0xe2/0x170 [10168.757338][ T903] inet6_addr_add+0x12f/0xa40 [10168.757338][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10168.757338][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.757338][ T903] netlink_rcv_skb+0x130/0x360 [10168.757338][ T903] netlink_unicast+0x449/0x710 [10168.757338][ T903] netlink_sendmsg+0x723/0xbe0 [10168.757338][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.757338][ T903] ___sys_sendmsg+0xee/0x170 [10168.757338][ T903] __sys_sendmsg+0xcd/0x170 [10168.757338][ T903] do_syscall_64+0xc6/0x1e0 [10168.757338][ T903] [10168.759663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10168.759663][ T903] ipv6_add_dev+0x3ba/0x11c0 [10168.759663][ T903] ipv6_find_idev+0x102/0x170 [10168.759663][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10168.759663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.759663][ T903] netlink_rcv_skb+0x130/0x360 [10168.759663][ T903] netlink_unicast+0x449/0x710 [10168.759663][ T903] netlink_sendmsg+0x723/0xbe0 [10168.759663][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.759663][ T903] ___sys_sendmsg+0xee/0x170 [10168.759663][ T903] __sys_sendmsg+0xcd/0x170 [10168.759663][ T903] do_syscall_64+0xc6/0x1e0 [10168.759663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10168.759663][ T903] [10168.761530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10168.761530][ T903] neigh_parms_alloc+0x1e5/0x510 [10168.761530][ T903] ipv6_add_dev+0x2fe/0x11c0 [10168.761530][ T903] ipv6_find_idev+0x102/0x170 [10168.761530][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10168.761530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10168.761530][ T903] netlink_rcv_skb+0x130/0x360 [10168.761530][ T903] netlink_unicast+0x449/0x710 [10168.761530][ T903] netlink_sendmsg+0x723/0xbe0 [10168.761530][ T903] ____sys_sendmsg+0x7b2/0xa10 [10168.761530][ T903] ___sys_sendmsg+0xee/0x170 [10168.761530][ T903] __sys_sendmsg+0xcd/0x170 [10168.761530][ T903] do_syscall_64+0xc6/0x1e0 [10168.761530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10168.761530][ T903] [10179.005811][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10179.006312][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10179.006312][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10179.006312][ T903] ip6_validate_gw+0x3eb/0x790 [10179.006312][ T903] fib6_nh_init+0xa5b/0x15b0 [10179.006312][ T903] ip6_route_info_create+0xf18/0x17d0 [10179.006312][ T903] ip6_route_add+0x1c/0x140 [10179.006312][ T903] inet6_rtm_newroute+0x104/0x110 [10179.006312][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.006312][ T903] netlink_rcv_skb+0x130/0x360 [10179.006312][ T903] netlink_unicast+0x449/0x710 [10179.006312][ T903] netlink_sendmsg+0x723/0xbe0 [10179.006312][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.006312][ T903] ___sys_sendmsg+0xee/0x170 [10179.006312][ T903] __sys_sendmsg+0xcd/0x170 [10179.006312][ T903] do_syscall_64+0xc6/0x1e0 [10179.006312][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10179.006312][ T903] [10179.008626][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10179.008626][ T903] netdev_get_by_index+0x5e/0x80 [10179.008626][ T903] fib6_nh_init+0x3d8/0x15b0 [10179.008626][ T903] ip6_route_info_create+0xf18/0x17d0 [10179.008626][ T903] ip6_route_add+0x1c/0x140 [10179.008626][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10179.008626][ T903] inet6_addr_add+0x4f8/0xa40 [10179.008626][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10179.008626][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.008626][ T903] netlink_rcv_skb+0x130/0x360 [10179.008626][ T903] netlink_unicast+0x449/0x710 [10179.008626][ T903] netlink_sendmsg+0x723/0xbe0 [10179.008626][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.008626][ T903] ___sys_sendmsg+0xee/0x170 [10179.008626][ T903] __sys_sendmsg+0xcd/0x170 [10179.008626][ T903] do_syscall_64+0xc6/0x1e0 [10179.008626][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10179.008626][ T903] [10179.011069][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10179.011069][ T903] netdev_get_by_index+0x5e/0x80 [10179.011069][ T903] fib6_nh_init+0x3d8/0x15b0 [10179.011069][ T903] ip6_route_info_create+0xf18/0x17d0 [10179.011069][ T903] addrconf_f6i_alloc+0x244/0x410 [10179.011069][ T903] ipv6_add_addr+0x411/0x2000 [10179.011069][ T903] inet6_addr_add+0x30e/0xa40 [10179.011069][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10179.011069][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.011069][ T903] netlink_rcv_skb+0x130/0x360 [10179.011069][ T903] netlink_unicast+0x449/0x710 [10179.011069][ T903] netlink_sendmsg+0x723/0xbe0 [10179.011069][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.011069][ T903] ___sys_sendmsg+0xee/0x170 [10179.011069][ T903] __sys_sendmsg+0xcd/0x170 [10179.011069][ T903] do_syscall_64+0xc6/0x1e0 [10179.011069][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10179.011069][ T903] [10179.013463][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10179.013463][ T903] netdev_get_by_index+0x5e/0x80 [10179.013463][ T903] fib6_nh_init+0x3d8/0x15b0 [10179.013463][ T903] ip6_route_info_create+0xf18/0x17d0 [10179.013463][ T903] ip6_route_add+0x1c/0x140 [10179.013463][ T903] addrconf_add_mroute+0x129/0x180 [10179.013463][ T903] addrconf_add_dev+0xe2/0x170 [10179.013463][ T903] inet6_addr_add+0x12f/0xa40 [10179.013463][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10179.013463][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.013463][ T903] netlink_rcv_skb+0x130/0x360 [10179.013463][ T903] netlink_unicast+0x449/0x710 [10179.013463][ T903] netlink_sendmsg+0x723/0xbe0 [10179.013463][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.013463][ T903] ___sys_sendmsg+0xee/0x170 [10179.013463][ T903] __sys_sendmsg+0xcd/0x170 [10179.013463][ T903] do_syscall_64+0xc6/0x1e0 [10179.013463][ T903] [10179.015855][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10179.015855][ T903] ipv6_add_dev+0x3ba/0x11c0 [10179.015855][ T903] ipv6_find_idev+0x102/0x170 [10179.015855][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10179.015855][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.015855][ T903] netlink_rcv_skb+0x130/0x360 [10179.015855][ T903] netlink_unicast+0x449/0x710 [10179.015855][ T903] netlink_sendmsg+0x723/0xbe0 [10179.015855][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.015855][ T903] ___sys_sendmsg+0xee/0x170 [10179.015855][ T903] __sys_sendmsg+0xcd/0x170 [10179.015855][ T903] do_syscall_64+0xc6/0x1e0 [10179.015855][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10179.015855][ T903] [10179.017696][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10179.017696][ T903] neigh_parms_alloc+0x1e5/0x510 [10179.017696][ T903] ipv6_add_dev+0x2fe/0x11c0 [10179.017696][ T903] ipv6_find_idev+0x102/0x170 [10179.017696][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10179.017696][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10179.017696][ T903] netlink_rcv_skb+0x130/0x360 [10179.017696][ T903] netlink_unicast+0x449/0x710 [10179.017696][ T903] netlink_sendmsg+0x723/0xbe0 [10179.017696][ T903] ____sys_sendmsg+0x7b2/0xa10 [10179.017696][ T903] ___sys_sendmsg+0xee/0x170 [10179.017696][ T903] __sys_sendmsg+0xcd/0x170 [10179.017696][ T903] do_syscall_64+0xc6/0x1e0 [10179.017696][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10179.017696][ T903] [10189.261875][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10189.262374][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10189.262374][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10189.262374][ T903] ip6_validate_gw+0x3eb/0x790 [10189.262374][ T903] fib6_nh_init+0xa5b/0x15b0 [10189.262374][ T903] ip6_route_info_create+0xf18/0x17d0 [10189.262374][ T903] ip6_route_add+0x1c/0x140 [10189.262374][ T903] inet6_rtm_newroute+0x104/0x110 [10189.262374][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.262374][ T903] netlink_rcv_skb+0x130/0x360 [10189.262374][ T903] netlink_unicast+0x449/0x710 [10189.262374][ T903] netlink_sendmsg+0x723/0xbe0 [10189.262374][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.262374][ T903] ___sys_sendmsg+0xee/0x170 [10189.262374][ T903] __sys_sendmsg+0xcd/0x170 [10189.262374][ T903] do_syscall_64+0xc6/0x1e0 [10189.262374][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10189.262374][ T903] [10189.264676][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10189.264676][ T903] netdev_get_by_index+0x5e/0x80 [10189.264676][ T903] fib6_nh_init+0x3d8/0x15b0 [10189.264676][ T903] ip6_route_info_create+0xf18/0x17d0 [10189.264676][ T903] ip6_route_add+0x1c/0x140 [10189.264676][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10189.264676][ T903] inet6_addr_add+0x4f8/0xa40 [10189.264676][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10189.264676][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.264676][ T903] netlink_rcv_skb+0x130/0x360 [10189.264676][ T903] netlink_unicast+0x449/0x710 [10189.264676][ T903] netlink_sendmsg+0x723/0xbe0 [10189.264676][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.264676][ T903] ___sys_sendmsg+0xee/0x170 [10189.264676][ T903] __sys_sendmsg+0xcd/0x170 [10189.264676][ T903] do_syscall_64+0xc6/0x1e0 [10189.264676][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10189.264676][ T903] [10189.267091][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10189.267091][ T903] netdev_get_by_index+0x5e/0x80 [10189.267091][ T903] fib6_nh_init+0x3d8/0x15b0 [10189.267091][ T903] ip6_route_info_create+0xf18/0x17d0 [10189.267091][ T903] addrconf_f6i_alloc+0x244/0x410 [10189.267091][ T903] ipv6_add_addr+0x411/0x2000 [10189.267091][ T903] inet6_addr_add+0x30e/0xa40 [10189.267091][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10189.267091][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.267091][ T903] netlink_rcv_skb+0x130/0x360 [10189.267091][ T903] netlink_unicast+0x449/0x710 [10189.267091][ T903] netlink_sendmsg+0x723/0xbe0 [10189.267091][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.267091][ T903] ___sys_sendmsg+0xee/0x170 [10189.267091][ T903] __sys_sendmsg+0xcd/0x170 [10189.267091][ T903] do_syscall_64+0xc6/0x1e0 [10189.267091][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10189.267091][ T903] [10189.269474][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10189.269474][ T903] netdev_get_by_index+0x5e/0x80 [10189.269474][ T903] fib6_nh_init+0x3d8/0x15b0 [10189.269474][ T903] ip6_route_info_create+0xf18/0x17d0 [10189.269474][ T903] ip6_route_add+0x1c/0x140 [10189.269474][ T903] addrconf_add_mroute+0x129/0x180 [10189.269474][ T903] addrconf_add_dev+0xe2/0x170 [10189.269474][ T903] inet6_addr_add+0x12f/0xa40 [10189.269474][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10189.269474][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.269474][ T903] netlink_rcv_skb+0x130/0x360 [10189.269474][ T903] netlink_unicast+0x449/0x710 [10189.269474][ T903] netlink_sendmsg+0x723/0xbe0 [10189.269474][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.269474][ T903] ___sys_sendmsg+0xee/0x170 [10189.269474][ T903] __sys_sendmsg+0xcd/0x170 [10189.269474][ T903] do_syscall_64+0xc6/0x1e0 [10189.269474][ T903] [10189.271845][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10189.271845][ T903] ipv6_add_dev+0x3ba/0x11c0 [10189.271845][ T903] ipv6_find_idev+0x102/0x170 [10189.271845][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10189.271845][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.271845][ T903] netlink_rcv_skb+0x130/0x360 [10189.271845][ T903] netlink_unicast+0x449/0x710 [10189.271845][ T903] netlink_sendmsg+0x723/0xbe0 [10189.271845][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.271845][ T903] ___sys_sendmsg+0xee/0x170 [10189.271845][ T903] __sys_sendmsg+0xcd/0x170 [10189.271845][ T903] do_syscall_64+0xc6/0x1e0 [10189.271845][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10189.271845][ T903] [10189.273689][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10189.273689][ T903] neigh_parms_alloc+0x1e5/0x510 [10189.273689][ T903] ipv6_add_dev+0x2fe/0x11c0 [10189.273689][ T903] ipv6_find_idev+0x102/0x170 [10189.273689][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10189.273689][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10189.273689][ T903] netlink_rcv_skb+0x130/0x360 [10189.273689][ T903] netlink_unicast+0x449/0x710 [10189.273689][ T903] netlink_sendmsg+0x723/0xbe0 [10189.273689][ T903] ____sys_sendmsg+0x7b2/0xa10 [10189.273689][ T903] ___sys_sendmsg+0xee/0x170 [10189.273689][ T903] __sys_sendmsg+0xcd/0x170 [10189.273689][ T903] do_syscall_64+0xc6/0x1e0 [10189.273689][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10189.273689][ T903] [10199.429809][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10199.430307][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10199.430307][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10199.430307][ T903] ip6_validate_gw+0x3eb/0x790 [10199.430307][ T903] fib6_nh_init+0xa5b/0x15b0 [10199.430307][ T903] ip6_route_info_create+0xf18/0x17d0 [10199.430307][ T903] ip6_route_add+0x1c/0x140 [10199.430307][ T903] inet6_rtm_newroute+0x104/0x110 [10199.430307][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.430307][ T903] netlink_rcv_skb+0x130/0x360 [10199.430307][ T903] netlink_unicast+0x449/0x710 [10199.430307][ T903] netlink_sendmsg+0x723/0xbe0 [10199.430307][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.430307][ T903] ___sys_sendmsg+0xee/0x170 [10199.430307][ T903] __sys_sendmsg+0xcd/0x170 [10199.430307][ T903] do_syscall_64+0xc6/0x1e0 [10199.430307][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10199.430307][ T903] [10199.432653][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10199.432653][ T903] netdev_get_by_index+0x5e/0x80 [10199.432653][ T903] fib6_nh_init+0x3d8/0x15b0 [10199.432653][ T903] ip6_route_info_create+0xf18/0x17d0 [10199.432653][ T903] ip6_route_add+0x1c/0x140 [10199.432653][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10199.432653][ T903] inet6_addr_add+0x4f8/0xa40 [10199.432653][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10199.432653][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.432653][ T903] netlink_rcv_skb+0x130/0x360 [10199.432653][ T903] netlink_unicast+0x449/0x710 [10199.432653][ T903] netlink_sendmsg+0x723/0xbe0 [10199.432653][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.432653][ T903] ___sys_sendmsg+0xee/0x170 [10199.432653][ T903] __sys_sendmsg+0xcd/0x170 [10199.432653][ T903] do_syscall_64+0xc6/0x1e0 [10199.432653][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10199.432653][ T903] [10199.435103][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10199.435103][ T903] netdev_get_by_index+0x5e/0x80 [10199.435103][ T903] fib6_nh_init+0x3d8/0x15b0 [10199.435103][ T903] ip6_route_info_create+0xf18/0x17d0 [10199.435103][ T903] addrconf_f6i_alloc+0x244/0x410 [10199.435103][ T903] ipv6_add_addr+0x411/0x2000 [10199.435103][ T903] inet6_addr_add+0x30e/0xa40 [10199.435103][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10199.435103][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.435103][ T903] netlink_rcv_skb+0x130/0x360 [10199.435103][ T903] netlink_unicast+0x449/0x710 [10199.435103][ T903] netlink_sendmsg+0x723/0xbe0 [10199.435103][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.435103][ T903] ___sys_sendmsg+0xee/0x170 [10199.435103][ T903] __sys_sendmsg+0xcd/0x170 [10199.435103][ T903] do_syscall_64+0xc6/0x1e0 [10199.435103][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10199.435103][ T903] [10199.437579][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10199.437579][ T903] netdev_get_by_index+0x5e/0x80 [10199.437579][ T903] fib6_nh_init+0x3d8/0x15b0 [10199.437579][ T903] ip6_route_info_create+0xf18/0x17d0 [10199.437579][ T903] ip6_route_add+0x1c/0x140 [10199.437579][ T903] addrconf_add_mroute+0x129/0x180 [10199.437579][ T903] addrconf_add_dev+0xe2/0x170 [10199.437579][ T903] inet6_addr_add+0x12f/0xa40 [10199.437579][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10199.437579][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.437579][ T903] netlink_rcv_skb+0x130/0x360 [10199.437579][ T903] netlink_unicast+0x449/0x710 [10199.437579][ T903] netlink_sendmsg+0x723/0xbe0 [10199.437579][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.437579][ T903] ___sys_sendmsg+0xee/0x170 [10199.437579][ T903] __sys_sendmsg+0xcd/0x170 [10199.437579][ T903] do_syscall_64+0xc6/0x1e0 [10199.437579][ T903] [10199.439963][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10199.439963][ T903] ipv6_add_dev+0x3ba/0x11c0 [10199.439963][ T903] ipv6_find_idev+0x102/0x170 [10199.439963][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10199.439963][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.439963][ T903] netlink_rcv_skb+0x130/0x360 [10199.439963][ T903] netlink_unicast+0x449/0x710 [10199.439963][ T903] netlink_sendmsg+0x723/0xbe0 [10199.439963][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.439963][ T903] ___sys_sendmsg+0xee/0x170 [10199.439963][ T903] __sys_sendmsg+0xcd/0x170 [10199.439963][ T903] do_syscall_64+0xc6/0x1e0 [10199.439963][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10199.439963][ T903] [10199.442067][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10199.442067][ T903] neigh_parms_alloc+0x1e5/0x510 [10199.442067][ T903] ipv6_add_dev+0x2fe/0x11c0 [10199.442067][ T903] ipv6_find_idev+0x102/0x170 [10199.442067][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10199.442067][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10199.442067][ T903] netlink_rcv_skb+0x130/0x360 [10199.442067][ T903] netlink_unicast+0x449/0x710 [10199.442067][ T903] netlink_sendmsg+0x723/0xbe0 [10199.442067][ T903] ____sys_sendmsg+0x7b2/0xa10 [10199.442067][ T903] ___sys_sendmsg+0xee/0x170 [10199.442067][ T903] __sys_sendmsg+0xcd/0x170 [10199.442067][ T903] do_syscall_64+0xc6/0x1e0 [10199.442067][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10199.442067][ T903] [10209.685890][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10209.686440][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10209.686440][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10209.686440][ T903] ip6_validate_gw+0x3eb/0x790 [10209.686440][ T903] fib6_nh_init+0xa5b/0x15b0 [10209.686440][ T903] ip6_route_info_create+0xf18/0x17d0 [10209.686440][ T903] ip6_route_add+0x1c/0x140 [10209.686440][ T903] inet6_rtm_newroute+0x104/0x110 [10209.686440][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.686440][ T903] netlink_rcv_skb+0x130/0x360 [10209.686440][ T903] netlink_unicast+0x449/0x710 [10209.686440][ T903] netlink_sendmsg+0x723/0xbe0 [10209.686440][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.686440][ T903] ___sys_sendmsg+0xee/0x170 [10209.686440][ T903] __sys_sendmsg+0xcd/0x170 [10209.686440][ T903] do_syscall_64+0xc6/0x1e0 [10209.686440][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10209.686440][ T903] [10209.688663][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10209.688663][ T903] netdev_get_by_index+0x5e/0x80 [10209.688663][ T903] fib6_nh_init+0x3d8/0x15b0 [10209.688663][ T903] ip6_route_info_create+0xf18/0x17d0 [10209.688663][ T903] ip6_route_add+0x1c/0x140 [10209.688663][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10209.688663][ T903] inet6_addr_add+0x4f8/0xa40 [10209.688663][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10209.688663][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.688663][ T903] netlink_rcv_skb+0x130/0x360 [10209.688663][ T903] netlink_unicast+0x449/0x710 [10209.688663][ T903] netlink_sendmsg+0x723/0xbe0 [10209.688663][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.688663][ T903] ___sys_sendmsg+0xee/0x170 [10209.688663][ T903] __sys_sendmsg+0xcd/0x170 [10209.688663][ T903] do_syscall_64+0xc6/0x1e0 [10209.688663][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10209.688663][ T903] [10209.691008][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10209.691008][ T903] netdev_get_by_index+0x5e/0x80 [10209.691008][ T903] fib6_nh_init+0x3d8/0x15b0 [10209.691008][ T903] ip6_route_info_create+0xf18/0x17d0 [10209.691008][ T903] addrconf_f6i_alloc+0x244/0x410 [10209.691008][ T903] ipv6_add_addr+0x411/0x2000 [10209.691008][ T903] inet6_addr_add+0x30e/0xa40 [10209.691008][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10209.691008][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.691008][ T903] netlink_rcv_skb+0x130/0x360 [10209.691008][ T903] netlink_unicast+0x449/0x710 [10209.691008][ T903] netlink_sendmsg+0x723/0xbe0 [10209.691008][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.691008][ T903] ___sys_sendmsg+0xee/0x170 [10209.691008][ T903] __sys_sendmsg+0xcd/0x170 [10209.691008][ T903] do_syscall_64+0xc6/0x1e0 [10209.691008][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10209.691008][ T903] [10209.693333][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10209.693333][ T903] netdev_get_by_index+0x5e/0x80 [10209.693333][ T903] fib6_nh_init+0x3d8/0x15b0 [10209.693333][ T903] ip6_route_info_create+0xf18/0x17d0 [10209.693333][ T903] ip6_route_add+0x1c/0x140 [10209.693333][ T903] addrconf_add_mroute+0x129/0x180 [10209.693333][ T903] addrconf_add_dev+0xe2/0x170 [10209.693333][ T903] inet6_addr_add+0x12f/0xa40 [10209.693333][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10209.693333][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.693333][ T903] netlink_rcv_skb+0x130/0x360 [10209.693333][ T903] netlink_unicast+0x449/0x710 [10209.693333][ T903] netlink_sendmsg+0x723/0xbe0 [10209.693333][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.693333][ T903] ___sys_sendmsg+0xee/0x170 [10209.693333][ T903] __sys_sendmsg+0xcd/0x170 [10209.693333][ T903] do_syscall_64+0xc6/0x1e0 [10209.693333][ T903] [10209.695631][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10209.695631][ T903] ipv6_add_dev+0x3ba/0x11c0 [10209.695631][ T903] ipv6_find_idev+0x102/0x170 [10209.695631][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10209.695631][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.695631][ T903] netlink_rcv_skb+0x130/0x360 [10209.695631][ T903] netlink_unicast+0x449/0x710 [10209.695631][ T903] netlink_sendmsg+0x723/0xbe0 [10209.695631][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.695631][ T903] ___sys_sendmsg+0xee/0x170 [10209.695631][ T903] __sys_sendmsg+0xcd/0x170 [10209.695631][ T903] do_syscall_64+0xc6/0x1e0 [10209.695631][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10209.695631][ T903] [10209.697496][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10209.697496][ T903] neigh_parms_alloc+0x1e5/0x510 [10209.697496][ T903] ipv6_add_dev+0x2fe/0x11c0 [10209.697496][ T903] ipv6_find_idev+0x102/0x170 [10209.697496][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10209.697496][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10209.697496][ T903] netlink_rcv_skb+0x130/0x360 [10209.697496][ T903] netlink_unicast+0x449/0x710 [10209.697496][ T903] netlink_sendmsg+0x723/0xbe0 [10209.697496][ T903] ____sys_sendmsg+0x7b2/0xa10 [10209.697496][ T903] ___sys_sendmsg+0xee/0x170 [10209.697496][ T903] __sys_sendmsg+0xcd/0x170 [10209.697496][ T903] do_syscall_64+0xc6/0x1e0 [10209.697496][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10209.697496][ T903] [10219.941822][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10219.942267][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10219.942267][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10219.942267][ T903] ip6_validate_gw+0x3eb/0x790 [10219.942267][ T903] fib6_nh_init+0xa5b/0x15b0 [10219.942267][ T903] ip6_route_info_create+0xf18/0x17d0 [10219.942267][ T903] ip6_route_add+0x1c/0x140 [10219.942267][ T903] inet6_rtm_newroute+0x104/0x110 [10219.942267][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.942267][ T903] netlink_rcv_skb+0x130/0x360 [10219.942267][ T903] netlink_unicast+0x449/0x710 [10219.942267][ T903] netlink_sendmsg+0x723/0xbe0 [10219.942267][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.942267][ T903] ___sys_sendmsg+0xee/0x170 [10219.942267][ T903] __sys_sendmsg+0xcd/0x170 [10219.942267][ T903] do_syscall_64+0xc6/0x1e0 [10219.942267][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10219.942267][ T903] [10219.945480][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10219.945480][ T903] netdev_get_by_index+0x5e/0x80 [10219.945480][ T903] fib6_nh_init+0x3d8/0x15b0 [10219.945480][ T903] ip6_route_info_create+0xf18/0x17d0 [10219.945480][ T903] ip6_route_add+0x1c/0x140 [10219.945480][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10219.945480][ T903] inet6_addr_add+0x4f8/0xa40 [10219.945480][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10219.945480][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.945480][ T903] netlink_rcv_skb+0x130/0x360 [10219.945480][ T903] netlink_unicast+0x449/0x710 [10219.945480][ T903] netlink_sendmsg+0x723/0xbe0 [10219.945480][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.945480][ T903] ___sys_sendmsg+0xee/0x170 [10219.945480][ T903] __sys_sendmsg+0xcd/0x170 [10219.945480][ T903] do_syscall_64+0xc6/0x1e0 [10219.945480][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10219.945480][ T903] [10219.947943][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10219.947943][ T903] netdev_get_by_index+0x5e/0x80 [10219.947943][ T903] fib6_nh_init+0x3d8/0x15b0 [10219.947943][ T903] ip6_route_info_create+0xf18/0x17d0 [10219.947943][ T903] addrconf_f6i_alloc+0x244/0x410 [10219.947943][ T903] ipv6_add_addr+0x411/0x2000 [10219.947943][ T903] inet6_addr_add+0x30e/0xa40 [10219.947943][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10219.947943][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.947943][ T903] netlink_rcv_skb+0x130/0x360 [10219.947943][ T903] netlink_unicast+0x449/0x710 [10219.947943][ T903] netlink_sendmsg+0x723/0xbe0 [10219.947943][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.947943][ T903] ___sys_sendmsg+0xee/0x170 [10219.947943][ T903] __sys_sendmsg+0xcd/0x170 [10219.947943][ T903] do_syscall_64+0xc6/0x1e0 [10219.947943][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10219.947943][ T903] [10219.950413][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10219.950413][ T903] netdev_get_by_index+0x5e/0x80 [10219.950413][ T903] fib6_nh_init+0x3d8/0x15b0 [10219.950413][ T903] ip6_route_info_create+0xf18/0x17d0 [10219.950413][ T903] ip6_route_add+0x1c/0x140 [10219.950413][ T903] addrconf_add_mroute+0x129/0x180 [10219.950413][ T903] addrconf_add_dev+0xe2/0x170 [10219.950413][ T903] inet6_addr_add+0x12f/0xa40 [10219.950413][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10219.950413][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.950413][ T903] netlink_rcv_skb+0x130/0x360 [10219.950413][ T903] netlink_unicast+0x449/0x710 [10219.950413][ T903] netlink_sendmsg+0x723/0xbe0 [10219.950413][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.950413][ T903] ___sys_sendmsg+0xee/0x170 [10219.950413][ T903] __sys_sendmsg+0xcd/0x170 [10219.950413][ T903] do_syscall_64+0xc6/0x1e0 [10219.950413][ T903] [10219.952821][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10219.952821][ T903] ipv6_add_dev+0x3ba/0x11c0 [10219.952821][ T903] ipv6_find_idev+0x102/0x170 [10219.952821][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10219.952821][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.952821][ T903] netlink_rcv_skb+0x130/0x360 [10219.952821][ T903] netlink_unicast+0x449/0x710 [10219.952821][ T903] netlink_sendmsg+0x723/0xbe0 [10219.952821][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.952821][ T903] ___sys_sendmsg+0xee/0x170 [10219.952821][ T903] __sys_sendmsg+0xcd/0x170 [10219.952821][ T903] do_syscall_64+0xc6/0x1e0 [10219.952821][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10219.952821][ T903] [10219.954705][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10219.954705][ T903] neigh_parms_alloc+0x1e5/0x510 [10219.954705][ T903] ipv6_add_dev+0x2fe/0x11c0 [10219.954705][ T903] ipv6_find_idev+0x102/0x170 [10219.954705][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10219.954705][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10219.954705][ T903] netlink_rcv_skb+0x130/0x360 [10219.954705][ T903] netlink_unicast+0x449/0x710 [10219.954705][ T903] netlink_sendmsg+0x723/0xbe0 [10219.954705][ T903] ____sys_sendmsg+0x7b2/0xa10 [10219.954705][ T903] ___sys_sendmsg+0xee/0x170 [10219.954705][ T903] __sys_sendmsg+0xcd/0x170 [10219.954705][ T903] do_syscall_64+0xc6/0x1e0 [10219.954705][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10219.954705][ T903] [10230.197918][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10230.198673][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10230.198673][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10230.198673][ T903] ip6_validate_gw+0x3eb/0x790 [10230.198673][ T903] fib6_nh_init+0xa5b/0x15b0 [10230.198673][ T903] ip6_route_info_create+0xf18/0x17d0 [10230.198673][ T903] ip6_route_add+0x1c/0x140 [10230.198673][ T903] inet6_rtm_newroute+0x104/0x110 [10230.198673][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.198673][ T903] netlink_rcv_skb+0x130/0x360 [10230.198673][ T903] netlink_unicast+0x449/0x710 [10230.198673][ T903] netlink_sendmsg+0x723/0xbe0 [10230.198673][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.198673][ T903] ___sys_sendmsg+0xee/0x170 [10230.198673][ T903] __sys_sendmsg+0xcd/0x170 [10230.198673][ T903] do_syscall_64+0xc6/0x1e0 [10230.198673][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10230.198673][ T903] [10230.202712][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10230.202712][ T903] netdev_get_by_index+0x5e/0x80 [10230.202712][ T903] fib6_nh_init+0x3d8/0x15b0 [10230.202712][ T903] ip6_route_info_create+0xf18/0x17d0 [10230.202712][ T903] ip6_route_add+0x1c/0x140 [10230.202712][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10230.202712][ T903] inet6_addr_add+0x4f8/0xa40 [10230.202712][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10230.202712][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.202712][ T903] netlink_rcv_skb+0x130/0x360 [10230.202712][ T903] netlink_unicast+0x449/0x710 [10230.202712][ T903] netlink_sendmsg+0x723/0xbe0 [10230.202712][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.202712][ T903] ___sys_sendmsg+0xee/0x170 [10230.202712][ T903] __sys_sendmsg+0xcd/0x170 [10230.202712][ T903] do_syscall_64+0xc6/0x1e0 [10230.202712][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10230.202712][ T903] [10230.206947][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10230.206947][ T903] netdev_get_by_index+0x5e/0x80 [10230.206947][ T903] fib6_nh_init+0x3d8/0x15b0 [10230.206947][ T903] ip6_route_info_create+0xf18/0x17d0 [10230.206947][ T903] addrconf_f6i_alloc+0x244/0x410 [10230.206947][ T903] ipv6_add_addr+0x411/0x2000 [10230.206947][ T903] inet6_addr_add+0x30e/0xa40 [10230.206947][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10230.206947][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.206947][ T903] netlink_rcv_skb+0x130/0x360 [10230.206947][ T903] netlink_unicast+0x449/0x710 [10230.206947][ T903] netlink_sendmsg+0x723/0xbe0 [10230.206947][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.206947][ T903] ___sys_sendmsg+0xee/0x170 [10230.206947][ T903] __sys_sendmsg+0xcd/0x170 [10230.206947][ T903] do_syscall_64+0xc6/0x1e0 [10230.206947][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10230.206947][ T903] [10230.211266][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10230.211266][ T903] netdev_get_by_index+0x5e/0x80 [10230.211266][ T903] fib6_nh_init+0x3d8/0x15b0 [10230.211266][ T903] ip6_route_info_create+0xf18/0x17d0 [10230.211266][ T903] ip6_route_add+0x1c/0x140 [10230.211266][ T903] addrconf_add_mroute+0x129/0x180 [10230.211266][ T903] addrconf_add_dev+0xe2/0x170 [10230.211266][ T903] inet6_addr_add+0x12f/0xa40 [10230.211266][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10230.211266][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.211266][ T903] netlink_rcv_skb+0x130/0x360 [10230.211266][ T903] netlink_unicast+0x449/0x710 [10230.211266][ T903] netlink_sendmsg+0x723/0xbe0 [10230.211266][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.211266][ T903] ___sys_sendmsg+0xee/0x170 [10230.211266][ T903] __sys_sendmsg+0xcd/0x170 [10230.211266][ T903] do_syscall_64+0xc6/0x1e0 [10230.211266][ T903] [10230.215442][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10230.215442][ T903] ipv6_add_dev+0x3ba/0x11c0 [10230.215442][ T903] ipv6_find_idev+0x102/0x170 [10230.215442][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10230.215442][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.215442][ T903] netlink_rcv_skb+0x130/0x360 [10230.215442][ T903] netlink_unicast+0x449/0x710 [10230.215442][ T903] netlink_sendmsg+0x723/0xbe0 [10230.215442][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.215442][ T903] ___sys_sendmsg+0xee/0x170 [10230.215442][ T903] __sys_sendmsg+0xcd/0x170 [10230.215442][ T903] do_syscall_64+0xc6/0x1e0 [10230.215442][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10230.215442][ T903] [10230.218700][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10230.218700][ T903] neigh_parms_alloc+0x1e5/0x510 [10230.218700][ T903] ipv6_add_dev+0x2fe/0x11c0 [10230.218700][ T903] ipv6_find_idev+0x102/0x170 [10230.218700][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10230.218700][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10230.218700][ T903] netlink_rcv_skb+0x130/0x360 [10230.218700][ T903] netlink_unicast+0x449/0x710 [10230.218700][ T903] netlink_sendmsg+0x723/0xbe0 [10230.218700][ T903] ____sys_sendmsg+0x7b2/0xa10 [10230.218700][ T903] ___sys_sendmsg+0xee/0x170 [10230.218700][ T903] __sys_sendmsg+0xcd/0x170 [10230.218700][ T903] do_syscall_64+0xc6/0x1e0 [10230.218700][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10230.218700][ T903] [10240.469894][ T903] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10240.470678][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 2/7 users at [10240.470678][ T903] ip6_route_check_nh+0x4b8/0x6a0 [10240.470678][ T903] ip6_validate_gw+0x3eb/0x790 [10240.470678][ T903] fib6_nh_init+0xa5b/0x15b0 [10240.470678][ T903] ip6_route_info_create+0xf18/0x17d0 [10240.470678][ T903] ip6_route_add+0x1c/0x140 [10240.470678][ T903] inet6_rtm_newroute+0x104/0x110 [10240.470678][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.470678][ T903] netlink_rcv_skb+0x130/0x360 [10240.470678][ T903] netlink_unicast+0x449/0x710 [10240.470678][ T903] netlink_sendmsg+0x723/0xbe0 [10240.470678][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.470678][ T903] ___sys_sendmsg+0xee/0x170 [10240.470678][ T903] __sys_sendmsg+0xcd/0x170 [10240.470678][ T903] do_syscall_64+0xc6/0x1e0 [10240.470678][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10240.470678][ T903] [10240.474827][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10240.474827][ T903] netdev_get_by_index+0x5e/0x80 [10240.474827][ T903] fib6_nh_init+0x3d8/0x15b0 [10240.474827][ T903] ip6_route_info_create+0xf18/0x17d0 [10240.474827][ T903] ip6_route_add+0x1c/0x140 [10240.474827][ T903] addrconf_prefix_route+0x1cc/0x2b0 [10240.474827][ T903] inet6_addr_add+0x4f8/0xa40 [10240.474827][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10240.474827][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.474827][ T903] netlink_rcv_skb+0x130/0x360 [10240.474827][ T903] netlink_unicast+0x449/0x710 [10240.474827][ T903] netlink_sendmsg+0x723/0xbe0 [10240.474827][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.474827][ T903] ___sys_sendmsg+0xee/0x170 [10240.474827][ T903] __sys_sendmsg+0xcd/0x170 [10240.474827][ T903] do_syscall_64+0xc6/0x1e0 [10240.474827][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10240.474827][ T903] [10240.479706][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10240.479706][ T903] netdev_get_by_index+0x5e/0x80 [10240.479706][ T903] fib6_nh_init+0x3d8/0x15b0 [10240.479706][ T903] ip6_route_info_create+0xf18/0x17d0 [10240.479706][ T903] addrconf_f6i_alloc+0x244/0x410 [10240.479706][ T903] ipv6_add_addr+0x411/0x2000 [10240.479706][ T903] inet6_addr_add+0x30e/0xa40 [10240.479706][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10240.479706][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.479706][ T903] netlink_rcv_skb+0x130/0x360 [10240.479706][ T903] netlink_unicast+0x449/0x710 [10240.479706][ T903] netlink_sendmsg+0x723/0xbe0 [10240.479706][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.479706][ T903] ___sys_sendmsg+0xee/0x170 [10240.479706][ T903] __sys_sendmsg+0xcd/0x170 [10240.479706][ T903] do_syscall_64+0xc6/0x1e0 [10240.479706][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10240.479706][ T903] [10240.484706][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10240.484706][ T903] netdev_get_by_index+0x5e/0x80 [10240.484706][ T903] fib6_nh_init+0x3d8/0x15b0 [10240.484706][ T903] ip6_route_info_create+0xf18/0x17d0 [10240.484706][ T903] ip6_route_add+0x1c/0x140 [10240.484706][ T903] addrconf_add_mroute+0x129/0x180 [10240.484706][ T903] addrconf_add_dev+0xe2/0x170 [10240.484706][ T903] inet6_addr_add+0x12f/0xa40 [10240.484706][ T903] inet6_rtm_newaddr+0x560/0x6b0 [10240.484706][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.484706][ T903] netlink_rcv_skb+0x130/0x360 [10240.484706][ T903] netlink_unicast+0x449/0x710 [10240.484706][ T903] netlink_sendmsg+0x723/0xbe0 [10240.484706][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.484706][ T903] ___sys_sendmsg+0xee/0x170 [10240.484706][ T903] __sys_sendmsg+0xcd/0x170 [10240.484706][ T903] do_syscall_64+0xc6/0x1e0 [10240.484706][ T903] [10240.489530][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10240.489530][ T903] ipv6_add_dev+0x3ba/0x11c0 [10240.489530][ T903] ipv6_find_idev+0x102/0x170 [10240.489530][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10240.489530][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.489530][ T903] netlink_rcv_skb+0x130/0x360 [10240.489530][ T903] netlink_unicast+0x449/0x710 [10240.489530][ T903] netlink_sendmsg+0x723/0xbe0 [10240.489530][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.489530][ T903] ___sys_sendmsg+0xee/0x170 [10240.489530][ T903] __sys_sendmsg+0xcd/0x170 [10240.489530][ T903] do_syscall_64+0xc6/0x1e0 [10240.489530][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10240.489530][ T903] [10240.493305][ T903] ref_tracker: dummy1@ffff8880059a45b0 has 1/7 users at [10240.493305][ T903] neigh_parms_alloc+0x1e5/0x510 [10240.493305][ T903] ipv6_add_dev+0x2fe/0x11c0 [10240.493305][ T903] ipv6_find_idev+0x102/0x170 [10240.493305][ T903] inet6_rtm_newaddr+0x37c/0x6b0 [10240.493305][ T903] rtnetlink_rcv_msg+0x2fb/0xbf0 [10240.493305][ T903] netlink_rcv_skb+0x130/0x360 [10240.493305][ T903] netlink_unicast+0x449/0x710 [10240.493305][ T903] netlink_sendmsg+0x723/0xbe0 [10240.493305][ T903] ____sys_sendmsg+0x7b2/0xa10 [10240.493305][ T903] ___sys_sendmsg+0xee/0x170 [10240.493305][ T903] __sys_sendmsg+0xcd/0x170 [10240.493305][ T903] do_syscall_64+0xc6/0x1e0 [10240.493305][ T903] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10240.493305][ T903] HARD STOP (10167.980458) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr